An inverter-driven volumetric transfer pump, comprising: a housing (1) and a pump body (2) arranged at the front end of the housing, wherein the housing (1) is divided into a first accommodating cavity and a second accommodating cavity, an electric motor (3) is arranged in the first accommodating cavity, the front end of the electric motor (3) is in radial interference fit connection with the rear end of the pump body (2), and a rubber washer (5) is arranged around the electric motor (3). A battery pack (6) is arranged in the second accommodating cavity, and the battery pack (6) is connected to a first snap-fit slot (8) in the second accommodating cavity by means of an elastic snap-fit connector (7). A waterproof cover (17) is movably arranged at a top of the second accommodating cavity, the rear end of the waterproof cover (17) is connected to the housing (1) by means of a rotating shaft (9), and the front end of the waterproof cover (17) is connected to a second snap-fit slot (11) on the housing (1) by means of a waterproof cover elastic snap-fit connector (10). The inverter-driven volumetric transfer pump achieves small size, convenient carrying, low noise, and excellent heat dissipation effects of the electric motor and a control panel.
centrifugal pumps; Pumps [parts of machines, engines or motors]; Pumps [machines]; pumps for heating installations; fuel dispensing pumps for service stations; driving motors, other than for land vehicles; lubricating pumps; Vacuum pumps [machines]; Hydraulic pumps; Valves [parts of machines]; Stators [parts of machines]; Pressure regulating valves parts of machines.
This application discloses a water pump with a suspension function, including: a pump casing, a pump cover, a motor, a pressing ring, a volute and a base. In this way, the water pump with the suspension function disclosed in this application has an upper part suspended on a water surface to clarify the position of the water pump, thus preventing the problem of being buried by underwater mud and sucking in underwater impurities, and protecting a sealing structure at the upper part of the pump casing.
(1) Pumps and parts therefor; electric pumps; jet pumps including deep well jet pumps, shallow well jet pumps, and convertible jet pumps and parts therefor
A water pump having a suspension function, the water pump comprising a pump housing (1), a pump cover (5), a motor (7), a pressing ring (4), a volute (8) and a base (12), wherein the top of an inner cavity of the pump housing is provided with a downwardly extending motor mounting chamber (108) and a closed-loop chamber (109) located around the motor mounting chamber; the top of the pump housing is provided with an upwardly extending water output pipe connector (101); a downwardly extending first connecting port (107) in communication with the water output pipe connector is provided in an inner wall of the pump housing; the pump cover is arranged below the first connecting port and the motor; the pump cover is provided with a second connecting port (502) which is connected to the first connecting port in a plug-in manner; the volute is arranged on the bottom of the pump cover; the base is arranged below the volute; and a connecting fastener (106) downwardly penetrating the base is arranged in the pump housing. In this way, an upper portion of the water pump is suspended above the water surface to indicate the position of the water pump, so as to prevent the water pump from being buried by sludge underwater and sucking up underwater impurities, thereby protecting the sealing structure of an upper portion of the pump housing.
A self-balancing liquid level switch mechanism which has a counterweight on a rocker arm, comprising: a fixed seat (14), a float guide rod (5), a first magnet (8), a switch base body (6), a rocker arm (9), a counterweight block (11) and a second magnet (7). The rocker arm is arranged on the fixed seat in an up-down swingable manner. The switch base body is arranged on the fixed seat. The switch base body is provided with a button (4) located below a front section of the rocker arm. The counterweight block is arranged at the end of the rocker arm. The float guide rod extends upwards from the bottom of the fixed seat into the fixed seat. The first magnet is arranged at the top of the float guide rod. The second magnet is arranged at the front end of the rocker arm and attracts the first magnet. When a liquid level descends and resets, the front end of the rocker arm is tilted upwards by means of the counterweight block without relying on a spring elastic force, so that the switch mechanism works more stably.
H01H 36/02 - Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
H01H 35/18 - Switches operated by change of liquid level or of liquid density, e.g. float switch
(1) Sump pumps; pre-plumbed and back-up sump pump systems and parts therefore consisting of switches, check valves, hoses, piping, pipe and hose fittings, liquid level alarms and batteries therefor, all sold as a unit; submersible and non-submersible utility pumps for water transfer; pumps for use in irrigation systems, waterfalls, fountains, pools or water gardens; sewage pumps and effluent pumps; pre-plumbed sewage pump systems comprised of switches, check valves, piping, pipe fittings, all sold as a unit; shallow well jet pumps, deep well jet pumps and convertible jet pumps for water pumping; well water pump systems and parts therefor consisting of check valves, pressure tanks, switches, gauges, pressure tank monitors, hoses, and hose fittings, all sold as a unit; and booster pumps for water pumping.
(2) Hydrants
The present application discloses a manual-automatic integrated self-adaptive pump with an infrared water level detection function, which comprises a pump housing, a water pumping assembly, a base, a vacuum cofferdam, a water outlet pipeline, a volute, an exhaust port, a sensor adjusting mechanism and an infrared liquid level sensing assembly. In this way, the manual-automatic integrated self-adaptive pump with the infrared water level detection function provided by the present application has a compact structure, can be easily installed, has strong adaptability, can realize manual and automatic free switching, can realize more accurate detection of remaining water level, has a longer service life, and can solve the problem of sensing the water level in the field.
F04D 25/06 - Units comprising pumps and their driving means the pump being electrically driven
G01F 23/263 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
The application discloses a multipurpose transfer pump free of secondary water filling, which comprises a cover plate, a water filling plug, a pump body, an impeller, a pump body flange and a motor, the pump body flange is provided at an end portion of the motor, the pump body is provided on a front surface of the pump body flange, a volute chamber corresponding to the impeller is provided in a back surface of the pump body in an inwards recessed manner. In this way, the multipurpose transfer pump free of secondary water filling disclosed by the application can achieve a self-priming effect without filling water into the pump body when the motor works for a second time, thus improving the impeller lubricating effect.
A manual-automatic integrated self-adaptive pump having an infrared water level detection function, comprising a pump housing (1), a water pumping assembly, a base (19), a vacuum cofferdam (18), a water outlet pipe (15), a volute (8), an exhaust port (10), a sensor adjusting mechanism, and an infrared liquid level sensing assembly (5). The manual-automatic integrated self-adaptive pump having an infrared water level detection function has a compact structure, is simple to install, and has strong adaptability; in addition, free switching between manual and automatic may be achieved, detection of residual water level is more accurate, and service life is longer.
Disclosed is a multipurpose transfer pump free of secondary water injection, the pump comprising a cover plate (4), a water injection plug (6), a pump body (7), an impeller (9), a pump body flange (11) and an electric motor (13), wherein the pump body flange (11) is arranged at an end of the electric motor (13), the pump body (7) is arranged on the front face of the pump body flange (11), a volute chamber (7d) corresponding to the impeller (9) is concavely arranged on the back face of the pump body (7), the impeller (9) is arranged in the volute chamber (7d) and is coaxially fixed on a rotating shaft of the electric motor (13), a partition tongue portion (7c) tangent to the impeller (9) is arranged at the top of the volute chamber (7d), a liquid storage chamber (7e) wrapped around the volute chamber (7d) and a gas-liquid separation chamber (7f) located above the liquid storage chamber (7e) are concavely arranged on the front face of the pump body (7), a water inlet pipe connector (7b) and a water outlet pipe connector (7a) that extend towards the outside in an oblique and upward manner are arranged on two sides of the top of the pump body (7), and two clapboards are arranged in the gas-liquid separation chamber (7f) to form a water suction cavity (7h) enabling the water inlet pipe connector (7b) to be in communication with the volute chamber (7d).
A control system for detecting a water flow in a water pipe, the system comprising an inductive pole piece, a capacitance detection induction unit, a control processing unit, a control output unit and a power supply unit, wherein the inductive pole piece is in communication connection with the control processing unit by means of the capacitance detection induction unit, and the control processing unit is also connected to the control output unit and the power supply unit. By means of the method above, the control system for detecting a water flow in a water pipe is able to detect a change in the water flow, and also has the characteristics of simplicity, ease of integration and high reliability; the inductive pole piece is not in direct contact with detected liquid; and when there is a water flow flowing through the water pipe, a control loop triggers the operation of the control system, achieving high reliable security, and bringing more secure and reliable product usage experience to users.
G01F 1/56 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
G01F 23/26 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
19.
INFRARED SELF-IDENTIFICATION LIQUID LEVEL CONTROL AND ULTRALOW WATER LEVEL CONTROL APPARATUS
Disclosed is an infrared self-identification liquid level control and ultralow water level control apparatus, comprising a power source circuit provided with a sensor, a single-chip microcomputer control circuit, an analog quantity collection circuit, an output circuit, and an infrared decoding/encoding circuit, wherein the single-chip microcomputer control circuit is respectively connected to the analog quantity collection circuit, the output circuit, and the infrared decoding/encoding circuit, and the power source circuit is respectively connected to the analog quantity collection circuit and the output circuit. By means of the method, the infrared self-identification liquid level control and ultralow water level control apparatus provided in the present invention uses non-contact measurement, and a circuit part is not in a direct contact with a measured object, such that circuit devices are prevented from being damaged due to external influences; a water level is measured by means of refraction and reflection principles of infrared light, and water quality is not required, such that the apparatus is suitable for varied water quality; and the water level is determined by means of a current, such that a water pump is prevented from being idle for a long time, and the service life of the apparatus is long.
Disclosed is a water pump for a washbasin, comprising a pump body, a detection copper piece, a hoop device, a locking screw, a junction box, positioning columns, a signal box, and a signal line. The detection copper piece is closely disposed on the outer surface of the water inlet of the pump body by means of the hoop device and the locking screw that cooperate with each other; the junction box is disposed on one side of the water inlet by means of the positioning columns and is located on the opposite side of the detection copper piece; the signal box is disposed on the other side of the water inlet by means of the positioning columns and is connected to the detection copper piece; and the signal line is sealedly connected to the junction box and the signal box separately. In the water pump for a washbasin provided by the present invention, a non-contact sensor is used; the a non-contact sensor and a water pump are integrated; the copper piece is used for detecting the flow rate; and the copper piece is not in contact with water, so that problems such as blockage and water leakage are prevented, and the reliability is high; in addition, frequent starting is avoided, the pump can operate reliably in the case of large, medium and small flow rates, and the customer experience is good.
A multi-purpose pump implementing liquid level detection by means of photoelectric sensing, comprising a housing (1), an upper cover (2), a motor (3), a pin (4), a motor plug board (5), a power wire (6), a power plug board (7), a water pump control circuit board (8), an electric control box (9), and a lead (10). The motor (3) is disposed in the inner cavity of the housing (1). The water pump control circuit board (8) is mounted in the enclosed cavity formed by the upper cover (2) and the housing (1). The water pump control circuit board (8) is electrically connected to the pin (4) by means of the motor plug board (5). The power wire (6) is mounted on the upper cover (2) and connected to the water pump control circuit board (8) by means of the power plug board (7). The electric control box (9) is disposed on one side of the lower part of the housing (1) and connected to the water pump control circuit board (8) by means of the lead (10). The water pump control circuit board (8) and the motor (3) are not in the same cavity, the cooling lubricant inside the motor (3) will not touch the water pump control circuit board (8), the service life of the water pump control circuit board (8) can be effectively prolonged, and there is no need to dismantle the whole pump during replacement, facilitating adjustment and maintenance.
An elastic check valve, comprising a valve body (1), a valve cap (2), a valve plate (3), a sealing gasket (4), a spring (5), and pins (6), the valve body being arranged at the upper end of the valve cap, two bosses (7) being arranged symmetrically on both sides of the upper end of the valve cap, the valve plate, the sealing gasket, and the spring being arranged between the valve cap and the valve body by means of the pins passing through the bosses, the valve plate being connected to the sealing gasket by means of a mutually engaging cylindrical column (8) and through hole (9), the valve plate being arranged in the middle of the bosses by means of the pins and pin holes (12), a spring press rod (13) extending from the spring, and the spring press rod extending to the rear face of the valve plate. The present elastic check valve uses a soft sealing structure; when there is flow, the sealing gasket on the valve plate is flushed open to release water and, when there is no flow, the sealing gasket is reset to the sealing face under the action of spring force, the spring being used to compress the valve plate and the sealing gasket to prevent the occurrence of water leakage; the sealing effect is good, and the sealing is good even when the material is slightly deformed.
The present invention discloses a sealed outer rotor motor structure comprising a shell type rotor, a self-aligned bearing housing, an oil seal, a concentric shaft, a stator and magnets. The self-aligned bearing housing is disposed in the shell type rotor. A through type bearing chamber concentric to the shell type rotor is disposed in the self-aligned bearing housing. A sealing ring groove located in the concentric shaft fixing hole is disposed on the concentric shaft. A bearing located within the through type bearing chamber is disposed on the concentric shaft. The oil seal is disposed on the self-aligned bearing housing to achieve sealing of a tail end of the shell type rotor. With the above-described mode, the rotational stability of the shell type rotor of the sealed outer rotor motor structure described by the present invention is high, improving the sealing effects during rotation of the shell type rotor.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
H02K 21/22 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
Disclosed is a sealed external rotor electric motor structure, comprising a shell-type rotor, a self-aligning bearing seat, an oil seal, a concentric shaft, a stator and a magnetic steel. The self-aligning bearing seat is arranged in the shell-type rotor, a through-type bearing chamber concentric with the shell-type rotor is arranged in the self-aligning bearing seat, the front end of the through-type bearing chamber is opened, the front end face of the shell-type rotor is provided with a concentric shaft fixing hole, the concentric shaft is arranged in the through-type bearing chamber, the front end of the concentric shaft is extended into the concentric shaft fixing hole, the concentric shaft is provided with a seal groove located in the concentric shaft fixing hole, the concentric shaft is provided with a bearing located in the through-type bearing chamber, and the oil seal is arranged on the self-aligning bearing seat for realizing sealing of the tail end of the shell-type rotor. By means of the sealed external rotor electric motor structure of the present invention, the rotating stability of the shell-type rotor is high, and the sealing effect of the shell-type rotor in the process of rotating is improved.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
A float switch, comprising: a housing, a micro-switch (6), a lever (7) and a ball (8); the diameter of the housing decreases gradually from a lower end to an upper end to form an inverse cone shape; the housing is internally provided with the micro-switch (6), the lever (7) and the ball (8); an exit end of the housing is provided with a power cable (1) and a wire-passing groove, and a wire-passing baffle (5) is provided below the wire-passing groove; after an outer skin of an end of the power cable (1) is pulled aside, an inner core line passes through the wire-passing baffle (5) to connect to the micro-switch (6), and the other end of the power cable (1) connects to an exterior appliance; an inner part of the housing is also provided with a graduated adjusting plate, and a lower portion of the housing is provided with a baffle (14), the baffle (14) and a bottom portion of the housing forming a cavity in which a counterweight may be placed.
An integrated fixed card for a floating ball power supply cord, comprising an integrated fixed card (3) and a power supply cord (2), wherein the integrated fixed card (3) and the power cord (2) are connected by means of injection molding; the integrated fixed card (3) comprises a fixed plane (32) and a cylindrical plastic-covered surface (31); the fixed plane (32) is connected to one side of the cylindrical plastic-covered surface (31); the fixing plane (32) is provided thereon with a through hole; the integrated fixed card for a floating ball power supply cord penetrates the through hole (4) by means of a screw (5) and is locked in an outlet box (8) of a water pump or a screw hole (7) formed at another part of the water pump.
F16L 3/12 - Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
H01B 7/04 - Flexible cables, conductors, or cords, e.g. trailing cables
H02G 3/02 - Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles Details
H01H 35/18 - Switches operated by change of liquid level or of liquid density, e.g. float switch
29.
Thin-wall-long-shaft-low-noise transmission mechanism for pedestal pumps
The invention discloses a thin-wall-long-shaft-low-noise transmission mechanism for pedestal pumps, which includes a stainless steel pipe, a first bushing and a second bushing, a pump body, an impeller and a motor, the motor is arranged above the stainless steel pipe, the first and second bushings are embedded at first and second ends of the stainless steel pipe respectively, the impeller includes an impeller hub shaft, the motor includes a motor shaft, the impeller hub shaft passed through the pump body and connected to the first bushing which is embedded in the first end of the stainless steel pipe. Through the above solution, the machining precision of the thin wall stainless steel pipe is higher than that of a solid metal shaft and a plastic shaft, the strength is higher than that of a plastic shaft, and the noise is reduced when the pump is working.
Provided is a thermal protection device for single-phase dual-voltage motor, comprising a motor winding, a low-current thermal protector (3), a high-current thermal protector (4) and a bidirectional switch (5), the motor winding comprises a main phase winding, or a main phase winding and an auxiliary phase winding (6), the main phase winding is divided into two parts, comprising a first main phase winding (1) and a second main phase winding (2), the low-current thermal protector (3) is connected in series to the first main phase winding (1), and the high-current thermal protector (4) is connected in series to the second main phase winding (2) or in series to the second main phase winding (2) and the auxiliary phase winding (6). With the two different thermal protectors for low current and high current, the thermal protection function of the single-phase dual-voltage motor under different voltages can be realized by means of reasonable wiring. By using the protector capable of being tied to a stator package, cost is significantly reduced, delivery time is shortened, and product competition is improved.
H02K 11/20 - Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
Disclosed in the present utility model is an air-cooled anti-spray motor structure, comprising: a front end cover, a motor housing, a motor stator, a motor rotor, an axle, a rear end cover, an axial flow fan and a wind cover, wherein the motor stator and the motor rotor are disposed at an inner part of the motor housing, the motor rotor is disposed at an inner part of the motor stator, the front end cover penetrates the axle and is connected to the front end of the motor housing, the rear end cover penetrates the axle and is connected to the rear end of the motor housing, the axial flow fan penetrates the axle and is connected to the rear of the rear end cover, the wind cover is arranged at the periphery of the axial flow fan, the front end cover is opened with a front end cover ventilation hole, the rear end cover is opened with a rear end cover ventilation hole, and the front end cover comprises: a pump connection side, a motor connection side, and a middle portion. By means of the described manner, the air-cooled anti-spray motor structure provided in the present utility model is rainproof and simultaneously achieves excellent heat radiation.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/20 - Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
H02K 9/06 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
32.
CHASSIS FOR POOL COVER PUMP WITH ROLLING MECHANISM
Disclosed is a chassis for a pool cover pump with a rolling mechanism, comprising a chassis body (1) and a pool cover pump mounting seat (2) provided on the chassis body (1), an adaptive mounting buckle (3), and a rolling mechanism (4), wherein the adaptive mounting buckle (3) is respectively symmetrically provided on an inner wall border of the pool cover pump mounting seat (2), the rolling mechanism (4) comprises clamping groove supports (41) and rolling balls (42), the plurality of clamping groove supports (41) are provided at the bottom of the chassis body (1), and the rolling balls (42) are respectively provided inside the clamping groove supports (41) and have a rolling clearance. The chassis for the pool cover pump with the rolling mechanism is adapted to the assembly and disassembly of different kinds of pool cover pumps, and by means of the rolling mechanism, the pool cover pump mounted on the chassis is less prone to falling down.
A thin-wall long-shaft low-noise transmission mechanism for a vertical pump, comprising: a stainless steel pipe (1), bushings (2), a pump body (3), an impeller (4), and a motor (5). The motor (5) is provided above the stainless steel pipe (1); the pump body (3) is provided below the stainless steel pipe (1); the bushings (2) are embedded in both ends of the stainless steel pipe (1); the impeller (4) comprises an impeller hub shaft (6); the motor (5) comprises a motor rotating shaft (7); the impeller hub shaft (6) penetrates through the pump body (3) to be fixedly connected to the bushing (2) embedded in one end of the stainless steel pipe (1); the motor rotating shaft (7) is fixedly connected to the bushing (2) embedded in the other end of the stainless steel pipe (1); the outer walls of the bushings (2) are provided with a plurality of slots; at least one rib is punched in positions of the stainless steel pipe (1) corresponding to the slots of the outer walls of the bushings (2), and the positions of the stainless steel pipe (1) where the ribs are punched are pressed into the slots of the bushings (2).
Disclosed is an anhydrous self-priming super-silent intelligent water pump for distinguishing water flow, the pump comprising a pump body (1), an electric motor (3), an impeller (4), a shock absorber support (5) and a base (6). The pump body (1) is provided with a flow guide disc (2), and the pump body (1) and flow guide disc (2) use an integrated structure. The flow guide disc (2) uses an airtight single-outlet structure and is provided with a flow guide disc water outlet (21), a flow guide disc water inlet (22) and a flow guide hole (23), wherein the flow guide disc water outlet (21) is provided outside the flow guide disc (2), and the flow guide hole (23) is provided between the flow guide disc water inlet (22) and the flow guide disc water outlet (21). The intelligent water pump with the pump body (1) having a flow guide function is easy to assemble, has a stable performance and can achieve self-priming without adding water, thus improving the self-priming performance, solving the difficulty of sealing heat radiation and the problems of vibration and the stationarity when the water pump is in use, achieving energy conservation and consumption reduction, improving the service life of the water pump itself, and also achieving the purpose of efficient super-silence.
Sump pumps; pre-plumbed and back-up sump pump systems and parts therefore consisting of switches, check valves, hoses, piping, pipe and hose fittings, liquid level alarms and batteries therefor, all sold as a unit; submersible and non-submersible utility pumps for water transfer; pumps for use in irrigation systems, waterfalls, fountains, pools or water gardens; sewage pumps and effluent pumps; pre-plumbed sewage pump systems comprised of switches, check valves, piping, pipe fittings, all sold as a unit; shallow well jet pumps, deep well jet pumps and convertible jet pumps for water pumping; well water pump systems and parts therefor consisting of check valves, pressure tanks, switches, gauges, pressure tank monitors, hoses, and hose fittings, all sold as a unit; and booster pumps for water pumping Hydrants
Sump pumps; pre-plumbed and back-up sump pump systems and parts therefore consisting of switches, check valves, hoses, piping, pipe and hose fittings, liquid level alarms and batteries therefor, all sold as a unit; submersible and non-submersible utility pumps for water transfer; pumps for use in irrigation systems, waterfalls, fountains, pools or water gardens; sewage pumps and effluent pumps; pre-plumbed sewage pump systems comprised of switches, check valves, piping, pipe fittings, all sold as a unit; shallow well jet pumps, deep well jet pumps and convertible jet pumps for water pumping; well water pump systems and parts therefor consisting of check valves, pressure tanks, switches, gauges, pressure tank monitors, hoses, and hose fittings, all sold as a unit; and booster pumps for water pumping Hydrants
37.
UPRIGHT COLUMN-TYPE SEWAGE PUMP WITH ANTI-COLLISION SWITCH
An upright column-type sewage pump with an anti-collision switch, comprising: a water pump drive assembly (1), a switch control assembly (2), a base (3), and an upright column (4) secured onto the base (3), the switch control assembly (2) being arranged below the water pump drive assembly (1) and being mounted at the side edge of the upright column (4) by means of a bracket assembly, an electrical connection part (6) being disposed between the water pump drive assembly (1) and the switch control assembly (2), the electrical connection part ( 6) comprising a plug-in piece (61) electrically connected to a drive motor (11), a base (62) arranged on the upper surface of the switch control assembly (2), and a plug-in pin (63) inserted into the base, the upper end of the plug-in pin (63) being connected to the plug-in piece (61), and the lower end thereof being connected to a micro-switch (22) in the water pump drive assembly (1) by means of a lead. The switch part and the main body of the water pump are integrally packaged; the water pump has a simple structure and convenient installation, and is not easily damaged.
A combined sewage pump with a standby pump structure, comprising: a main pump (1), a main pump check valve device (2), a pipeline connecting device, a standby pump (4) and a standby pump check valve device (5); the pipeline connecting device is disposed at one side of the main pump (1) and standby pump (4); the main pump (1) and the pipeline connecting device are connected by means of the main pump check valve device (2); the standby pump (4) and the pipeline connecting device are connected by means of the standby pump check valve device (5); the main pump (1) is provided with a main pump floater switch (6); a main pump floating ball (7) is disposed under the main pump floater switch (6); a standby pump anchor ear (8) is disposed on the pipeline connecting device and the standby pump anchor ear (8) is provided with a standby pump floater switch (9); and a standby pump floating ball (10) is disposed under the standby pump floater switch (9). The combined sewage pump is easily managed and cost-effective, and brings convenience for clients in use, installation and maintenance.
Provided is a seal combination device for a shaft. An oil seal cavity is provided between a first sealing element and a second sealing element. The middle of a seal base (1) is provided with a hole (8, 9) perpendicular to an axis of a rotating shaft. A movable plug device is disposed in the hole (8, 9). A gas in the oil seal cavity is reversibly exhausted from the oil seal cavity via the movable plug device. The device can effectively reduce the abrasion of sealing components and prolong the service life thereof, and has a good sealing effect.
A float switch capable of actively giving an alarm and a monitoring method therefor, said float switch comprising: an alarm device, a switch control device, and a general control circuit embedded in the switch control device; a circuit board capable of actively giving an alarm is embedded in the float switch, and sends, when a water level reaches an alarm water level during power failure and main pump damage, alarm information by means of a client such as a mobile phone app which is used along with the float switch, achieving the effects of emergency disaster avoiding and avoiding a greater economic loss of a user. The float switch capable of actively giving an alarm and the monitoring method therefor provide the ability of actively giving an alarm when the water level exceeds the maximum water level, having high reliability, being able to increase the user experience, being easy to use.
H01H 35/18 - Switches operated by change of liquid level or of liquid density, e.g. float switch
G01F 23/56 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
A portable self-priming pump, comprising a pump body (1), a pump cover (2), a rubber impeller (3) and a metal rotating shaft (4); an inner cavity (5) being provided inside the pump body (1), the side surface of the pump body (1) being provided with a water inlet (6) and a water outlet (7) which are in communication with the inner cavity (5), the water inlet (6) and the water outlet (7) being in a same plane and being arranged so that the axes of the two form an angle of 20°-160° therebetween, the inner cavity (5) being designed in a cam-like structure, the rubber impeller (3) being provided in the inner cavity (5), the rubber impeller (3) being fitted in one end of the metal rotating shaft (4) in a sleeved manner, the other end of the metal rotating shaft (4) passing through a shaft hole (10) in the center of one end face of the pump body (1) and extending to the outside of the pump body (1), and the other end face of the pump body (1) being provided with the pump cover (2) covering the end. The portable self-priming pump is simple overall, is easy to mount, manufacture, dismantle and maintain, has a small overall structure volume, occupies small space resources, is suitable for small space operation, and has high practicability.
A built-in counterweight-type dual-layer float switch, comprising a rubber sheath (1), a connecting member (2), an inching switch (3), a ball (4), a lower outer housing (5), a power cord (6), an upper outer housing (7), a lever (8), a counterweight (9), a partition (10), screws (11), and an inner housing. The inner housing comprises a left inner housing (12) and a right inner housing (13); a positioning hole (18) is provided on the left inner housing, and a positioning pin corresponding to the positioning hole is provided on the right inner housing; the inching switch, the lever, and the ball are provided inside the inner housing; the inner housing is fixed inside the upper outer housing by means of the connecting member and the partition; the lower outer housing is provided under the upper outer housing. The built-in counterweight-type dual-layer float switch can accurately monitor a specific water level, and has the advantages of being electric leakage-proof, shockproof, impact-resistant, and chemical corrosion-resistant.
A multipurpose float mounting support, comprising: a circular arc plate (2) and a surface plate (8). The circular arc plate (2) is disposed at one end of the surface plate (8); two limiting posts (1) are disposed at an interval on the outer convex surface of the circular arc plate (2); the two limiting posts (1) are arranged vertically and a gap is provided therebetween; a first group of mounting holes (5) and a second group of mounting holes (4) are provided on the surface plate (8); a first group of threaded holes corresponding to the first group of mounting holes (5) is provided on a water pump (12), and a second group of threaded holes corresponding to the second group of mounting holes (4) is provided on a float (11). In this way, the multipurpose float mounting support is fixed by means of bolts, so that the float and the water pump are separately connected to the surface plate, so as to implement the fixation of the float on the water pump; in addition, by means of the cooperation of a clamping device and a water pipe, the circular arc plate can be fixed at one side of the water pipe and then the float is fixed on the surface plate, so as to complete the fixation of the float on the water pipe; switching is easy.
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
F04B 53/00 - Component parts, details or accessories not provided for in, or of interest apart from, groups or
45.
IMPELLER PUMP FOR AUTOMATIC TEMPERATURE PROTECTION AND WARNING
An impeller pump for automatic temperature protection and warning, comprising: a temperature controlled plate (7), a temperature detecting device (6), a motor (1), a pump body (2) and an impeller (4), wherein, the pump body (2) is arranged at the output of the motor (1), the impeller (4) is arranged in the pump body (2) and connected to the rotating shaft of the motor (1), an observation port is arranged on the pump body (2), a warning element (5) is arranged inside the observation port, the temperature controlled plate (7) and the warning element (5) are connected by a power line, a blind hole is arranged in the pump body (2), the temperature detecting device (6) is arranged inside the blind hole, and the temperature detecting device (6) is linearly connected to the temperature controlled plate (7). The impeller pump uses the temperature detecting device to monitor the temperature of the pump body, the temperatures of the pump body and the impeller are known by the temperature control plate according to the output change of the temperature detecting device, when the temperature is higher than the limit value, the power supply line of the motor is cut off, the power supply line of the LED is turned on, and the light is displayed outside the pump for warning.
A motor rear cover having a sealing structure, comprising: a cylinder (1) and a cover plate (2). The cover plate (2) is disposed in the cylinder (1); a first O-shaped recess (6) and a second O-shaped recess (7) are formed in the outer circle of the cylinder (1); the first O-shaped recess (6) is located above the second O-shaped recess (7); a limiting ring (3) protruding outward is disposed on the outer circle of the cylinder (1); a plurality of power line outlet holes (9) is formed in the cover plate (2); waterproof cofferdams (4) protruding upward are disposed on the edges of the power line outlet holes (9) respectively; the outer walls of the waterproof cofferdams (4), the inner wall of the cylinder (1), and the upper surface of the cover plate (2) form a condensate water storage cavity. According to the motor rear cover having a sealing structure, sealing rings can be mounted in the first O-shaped recess (6) and the second O-shaped recess (7) respectively, so that lubricating oil inside a motor can be prevented from leaking outward, and external water is prevented from dropping into the motor; the waterproof cofferdams (4) are added on the power line outlet holes (9) so that condensate water is prevented from dropping into the motor, and use stability is high.
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/16 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
This invention discloses a multipurpose float switch mounting bracket, which comprises a curved plate and a flat plate, the curved plate is connected to a first end of the flat plate, and two position-limitation strips are arranged on the outer convex surface of the curved plate, the flat plate is provided with a first set of mounting holes and a second set of mounting holes. The pump is provided with a first set of threaded holes which are corresponding to the first set of mounting holes, and the float switch is provided with a second set of threaded holes which are corresponding to the second set of mounting holes. Via the above solution, the multipurpose float switch mounting bracket fixes the float switch onto the pump by connecting the flat plate of the bracket to the float switch and the pump with screws.
F16M 13/00 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles
G05D 9/12 - Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
An intelligent control clogging-free water-cooled multifunctional pump includes a housing, a water-through tank, a motor, an axial flow style cover plate, a flexible rubber conical impeller, a double-channel conical diffuser, a filter and an intelligent water level controller. The motor is placed inside the housing. The motor is provided with a control board. The water-through tank is placed under the housing. The flexible rubber conical impeller is coaxially connected to the motor. The axial flow style cover plate is placed at the bottom of the water-through tank. The double-channel conical diffuser is disposed under the cover plate and the conical pattern of the flexible rubber impeller is consistent with the conical pattern of the double-channel conical diffuser.
A quick mounting and detaching, self-locking, and self-sealing pipeline connection device, for use in connection of a water pipe (1). The device comprises: a threaded compression sealing mechanism and a metal retainer ring self-locking and detaching mechanism. The metal retainer ring self-locking and detaching mechanism comprises a metal retainer ring (4); the threaded compression sealing mechanism comprises a threaded base (5), a threaded upper cover (2), and a sealing ring (3); the water pipe extends into the threaded base through the threaded upper cover; the sealing ring is sleeved on the water pipe and is located between the threaded base and the threaded upper cover; the metal retainer ring is located at the bottom of the sealing ring; an inner ring of the metal retainer ring is provided with a circle of toothed capturing blocks (42); the metal retainer ring is provided with a gap (41) and is not a closed annular structure. In this way, according to the quick mounting and detaching, self-locking, and self-sealing pipeline connection device, the threaded base is mounted at an outlet of a water pump, and thus, a water pipe can be quickly mounted and detached, and self-locking and self-sealing effects are achieved.
An anti-failure float switch, comprising an outer shell (1), a micro switch (2), a stroke control slot (3), a guide rod (4), a limiting cover (5), an upper water level float ball (6), and a lower water level float ball (7). The outer shell (1) is provided therein with the micro switch (2); the surface of the outer shell (1) is provided with the stroke control slot (3); one end of the guide rod (4) is provided in the stroke control slot (3), and the other end thereof is coaxially fixed with the upper water level float ball (6) and the lower water level float ball (7); and the limiting cover (5) is provided between the outer shell (1) and the guide rod (4). By means of the approach, the float switch replaces the existing movable float ball with the fixed upper water level float ball (6) and lower water level float ball (7) to achieve automatic control of the water level, and a corrugated pipe (504) is added to better solve the problem in the prior art that blocking and failure easily occur, thereby effectively prolonging the service life of the float switch.
H01H 36/02 - Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
A cooling oil-free anti-blocking light sewage pump, comprising a housing (1), a motor (2), a funnel-shaped pump body (3), a flexible rubber anti-blocking impeller (4), and a filter screen (5). The motor (2) and the funnel-shaped pump boy (3) are disposed in the housing (1); the flexible rubber anti-blocking impeller (4) is disposed in the funnel-shaped pump body (3); the flexible rubber anti-blocking impeller (4) is coaxially connected to the motor (2) by means of an iron core; the bottom of the funnel-shaped pump body (3) is provided with a water inlet (31); the filter screen (5) is fixed at the water inlet (31); the side surface of the funnel-shaped pump body (3) is provided with a water outlet (32). The cooling oil-free anti-blocking light sewage pump has an inverted cone-shaped impeller that is not easily blocked and a conical funnel-type pump body that is easy to discharge blocking particulate matter, such that a blocking problem of the pump can be effectively reduced, occurrence of burn-in and other faults is avoided, and the service life of the pump is prolonged.
An anti-blocking ultra-low-water-level amphibious pump, comprising an outer housing (1), a motor (2), a water compartment (3), a motor shell (4), a guide disk (5), a cover plate (6), a guide chamber (7), an impeller (8), a suction nozzle (9), and a base (10). The motor (2) and the water compartment (3) are disposed in the outer housing (1); the motor (2) is disposed in the motor shell (4); a half of the motor shell (4) is accommodated in the water compartment (3); the guide disk (5) is fixed on the cover plate (6) to form the guide chamber (7); the cover plate (6) is fixed on the motor shell (4); a shaft end of the motor (2) is provided with the impeller (8); the impeller (8) is accommodated in the guide chamber (7); the outer surface of the guide disk (5) is provided with a support; the support is provided with the suction nozzle (9); the base (10) covers the suction nozzle (9) and is fixed at the bottom of the outer housing (1). In this way, the amphibious pump functions as either a surface-based pump or a submersible pump, such that an amphibious capability is achieved, convenient, mobile, and flexible features are provided, and an application range of the pump is well expanded.
An intelligent control and fault self-diagnosable detachable jet pump, comprising a housing (1), a jet pump body (2), a drive motor (3), a detachable terminal box (4), and a self-diagnosis circuit. The jet pump body (2) and the drive motor (3) are provided in the housing (1); a jet device (6), a guide plate (7), and an impeller (8) are coaxially provided in the jet pump body (2); the impeller ( 8) is coaxially connected to the drive motor (3); the detachable terminal box (4) is fixed on the surface of the housing (1) by means of screws and a locking mechanism; and the self-diagnosis circuit is provided in the detachable terminal box (4) and is electrically connected to the drive motor (3). Regarding the problems in the prior art such as lacking of fault diagnosis capability, a self-diagnosis circuit for quick and intuitive detection of pump faults is added, and moreover, the heat dissipation performance and working efficiency of the pump are optimized, thereby greatly prolonging the service life of the pump and reducing the subsequent maintenance costs.
An intelligently-controlled anti-blocking water-cooled multipurpose pump, comprising an outer housing (1), a water compartment (2), a motor (3), a water-cooled motor housing (4), an impeller (5), a guide plate (6), and a filter screen (7). The motor and the water compartment are disposed in the outer housing; the surface of the motor is covered by the water-cooled motor housing; the water-cooled motor housing is immersed in the water compartment; the impeller and the guide plate are disposed in the water compartment; the impeller is coaxially connected to the motor; the bottom of the outer housing is provided with the water inlet filter screen that communicates with the water compartment; the side surface of the outer housing is provided with a water outlet communicating with the U-shaped water compartment. In this way, an intelligently-controlled anti-blocking water-cooled multipurpose pump is provided. Water drawn by the pump directly contacts the water-cooled motor housing to reach the purpose of water cooling and heat dissipation, such that burn-in hazards caused by foreign matter blocking and the like are significantly reduced, and the service life of the pump is prolonged.
A fault-diagnosing smart water supply apparatus, comprising a water storage tank (1), a pump housing (5) and a motor (12), a water outlet opening of the pump housing (5) being provided with a multiple-path connector (7), one outlet of the multiple-path connector (7) and the water storage tank (1) being connected by means of a water pipe (2), a pressure sensor (13) being provided on the multiple-path connector (7), the water pipe (2) or the pump housing (5), and a temperature sensor being provided on the pump housing (5). The apparatus also comprises a liquid crystal display panel (9) and a CPU board (10), the liquid crystal display panel (9) being connected to a communications port of the CPU board (10), a power supply control terminal of the motor (12) and the temperature sensor each having a wired connection to the CPU board (10), the CPU board (10) having provided thereon a first voltage detection module and a current detection module connected to the power supply control terminal of the motor (12), the liquid crystal display panel (9) comprising a controller having a wired connection to the pressure sensor (13), and the liquid crystal display panel (9) having provided thereon a second voltage detection module connected to the pressure sensor (13).
A pipeline pump having thermal protection, comprising a motor (10), a handle (16) arranged on the motor (10), a pump body (5) arranged on a motor shaft (10-1), a water outlet (5-2) and a water inlet (5-1) arranged on the pump body (5), an impeller (4) arranged within the pump body (5), a pump cover (2) fixedly sealing one side of the pump body (5), a temperature measuring apparatus (6) fixed on the pump body (5), and a circuit board (13) connected to the temperature measuring apparatus (6). The pump body (5) is made of a copper material; a blind hole (7) is drilled on the pump body; and the temperature measuring apparatus (6) is sealed onto the pump body (5) using a thermally conductive adhesive. When the temperature within the cavity of the pump body (5) exceeds a threshold, the circuit board (13) outputs a signal to shut off power supply to the pipeline pump, ceasing the rotation of the pipeline pump. This effectively prevents damages to the impeller (4) due to the pump body (5) and the impeller (4) being overheated.
A smart pump comprising a housing (5), an outlet cover (13) arranged on the top of the housing (5), a power plug (1) arranged on the outlet cover (13), a circuit board (2) arranged within the housing (5), and a rotor (4) and a stator (6) arranged under the circuit board (2). A motor front cover (7) is arranged in the lower part of the housing (5). A turbine housing (8) is arranged under the motor front cover (7). An impeller (10) is arranged within the turbine housing (8). A rotary shaft (3) is shared between the impeller and the rotor (4). A water outlet pipe (14) is arranged on one side of the housing (5) and a water level sensor (12) is arranged on the other side. The water level sensor (12) comprises a sensor box (15). A sensing probe is arranged on the sensor box (15). The sensing probe comprises a high water level probe (16), a low water level probe (17) and a ground probe (18), the lengths thereof being that the high water level probe (16) is shorter than the low water level probe (17), which is shorter than the ground probe (18). Water pumps employing the water level sensor can control the rotation of the pump on the basis of the water level, ameliorating a common scenario with existing pumps in which the pump does not pump when water is available and pumps when no water is available.
A float switch includes a floater (106), a float leader (105), a reed pipe detection device and a relay (101). The floater (106) is sleeved on the float leader (105), and can slide freely. The reed pipe detection device comprises a high-level reed pipe (108), a low-level reed pipe (109) and a magnet (107). The float leader (105) is hollow. The high-level reed pipe (108) and the low-level reed pipe (109) are located in a high level and a low level inside the float leader (105) respectively. The magnet (107) is provided inside the floater (106). A motor is controlled by the relay (101) in the float switch. The motor begins to work when the relay (101) is switched on, and the motor stops working when the relay (101) is switched off. The switch has a long service life, high reliability and an excellent waterproof property. The float switch has a simple manufacture and installation process, less fraction defective and condemnation factor, thus further reduces the cost.
H02P 1/42 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor
H02P 1/44 - Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor by phase-splitting with a capacitor
H02P 23/00 - Arrangements or methods for the control of AC motors characterised by a control method other than vector control
A float switch includes a floater (106), a float leader (105), a reed pipe detection device and a relay (101). The floater (106) is sleeved on the float leader (105), and can slide freely. The reed pipe detection device comprises a high-level reed pipe (108), a low-level reed pipe (109) and a magnet (107). The float leader (105) is hollow. The high-level reed pipe (108) and the low-level reed pipe (109) are located in a high level and a low level inside the float leader (105) respectively. The magnet (107) is provided inside the floater (106). A motor is controlled by the relay (101) in the float switch. The motor begins to work when the relay (101) is switched on, and the motor stops working when the relay (101) is switched off. The switch has a long service life, high reliability and an excellent waterproof property. The float switch has a simple manufacture and installation process, less fraction defective and condemnation factor, thus further reduces the cost.
H01H 36/02 - Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
