Disclosed is table tennis bat rubber capable of being prevented from falling off and warping. The table tennis bat rubber comprises a rubber layer (1) and a bat (2). The rubber layer (1) sequentially comprises a second fixing layer (11), an elastic sponge layer (12), a first fixing layer (13) and a spherical contact layer (14); the first fixing layer (13) comprises a first rubber layer and a first fixing column (131), one end of the first fixing column (131) being connected to the first rubber layer, and the other end of the first fixing column being provided with a limiting block (1311); the limiting block (1311) is connected to the bat (2); a first through hole is provided in the first rubber layer; the second fixing layer (11) comprises a second rubber layer and a second fixing column (111), one end of the second fixing column (111) being connected to the second rubber layer; the second fixing column (111) is connected to the spherical contact layer (14); a second through hole (112) is provided in the second rubber layer; the elastic sponge layer (12) is located between the first fixing layer (13) and the second fixing layer (11); and a third through hole (121) is provided in the elastic sponge layer (12).
A63B 59/45 - Leurs parties en caoutchoucRaquettes ou analogues à surfaces de frappe planes pour frapper une balle en l’air, p. ex. pour le tennis de table à surfaces solides caractérisées par la liaison entre une partie en caoutchouc et le corps de la raquette
2.
POSITIONING WRISTBAND-BASED BASKETBALL TRAINING STAND
The present invention provides a positioning wristband-based basketball training stand, including a base, a support, and a backboard, wherein a basket is arranged on the backboard, the backboard comprises a fixed frame, an impact plate, a fixed plate, and an impact measurement plate, wherein an infrared sensor is mounted on the basket, the impact plate is provided with an impact block, the impact block protrudes out of the surface of the impact plate, a groove and a position sensor are arranged in the fixed plate, the groove is provided with a measuring block, the measuring block is connected with the impact block through a connecting rod, the connecting rod is sleeved with a spring, the impact measuring plate is internally provided with a pressure sensor and a startup button, and the startup button is located in the groove and a processing device is further comprised, the processing device comprises a data analysis unit, a storage unit, a display unit and a power supply unit. According to a basketball player, the ball throwing distance, the strength, the backboard impact position and the hit rate of the basketball player are recorded when the basketball player is in the shooting exercise, so that the player can quickly form muscle memory and facilitate the coach to carry out targeted guidance.
The present invention provides a novel table tennis racket. The table tennis racket comprises a racket plate, a handle, a cover plate, and a screw rod; the rear end of the racket plate is in fitting connection with the front end of the handle by means of a plug-in connector; the plug-in connector comprises a plug-in plate and positioning bars; the plug-in plate has a rectangular plate-shaped structure, and the middle part of the rear side thereof is provided with a screwing slot; the positioning bars are symmetrically provided at the two sides of the plug-in plate; the front end of the handle is provided with a plug-in slot; the middle part of the handle is provided with a screw hole along the axial direction thereof; the cover plate has an elliptical plate-shaped structure matching the handle, and the middle part of the front side thereof is connected with the rear end of the screw rod. Compared with the prior art, the beneficial effects of the present invention are: a whole structure is novel, so that the racket plate and the handle can be detached and assembled; when the racket plate or the handle is damaged, it is convenient to individually replace the racket plate or the handle, and thus, the costs of a user are reduced; the handles having different lengths can be replaced according to the requirement of an actual user, and thus, the present invention has wide applicability.
A plastic table tennis racket capable of removing hand perspiration, comprising a racket plate (1), a handle (2), an activated carbon adsorption assembly, a fan assembly, and an end cover (3), wherein the activated carbon adsorption assembly is provided in a cylindrical groove (4), and comprises a housing (6) and a guide cylinder (7); the fan assembly comprises a fan (10), a rotating rod (11), a supporting disk (12), and an electric motor (13); the end cover (3) is connected with the rear end of the handle (2) by means of a bolt (18).
A closed table tennis training table comprises a surrounding netting (1), a table surface (2), and a support (3). The support (3) is provided under the table surface (2). The table surface (2) is provided inside the surrounding netting (1). The surrounding netting (1) comprises vertical posts (4) and interception nets (5) arranged at intervals. A monitoring camera (6) is provided at the vertical post (4). An entrance/exit door (7) is arranged at one side of the surrounding netting (1). The table surface (2) is divided into a ball-serving section (8) and a ball-receiving section (9). A net (10) is provided between the ball-serving section (8) and the ball-receiving section (9). One side surface of the ball-receiving section (9) is connected to a ball-intercepting net (12) by means of a thin rod (11). The ball-intercepting net (12) rises as it approaches the back of the ball-receiving section (9). A 6-8 cm narrow gap (13) is arranged between the side surface of the ball-receiving section (9) and the ball-intercepting net (12). A slanted ball-guiding board (14) is provided on the ground under the ball-receiving section (9). A blocking plate (15) is provided under the net (10).
A table tennis racket having a contact surface providing an improved frictional force comprises a blade (1), rubber sheets (2), and a handle (3). The rubber sheets (2) are adhered to sponges at two sides of the blade (1). The rubber sheet (2) comprises a flat rubber layer (5) at one surface thereof and rubber columns (6) at another surface thereof. The rubber columns (6) are arranged at an outer side of the flat rubber layer (5). A plurality of micro-protuberances (7) are provided at flat outer end surface of the rubber column (6). A hollow cavity (8) is arranged inside the rubber column (6). A flat elastic layer (9) is arranged at an outer side of the flat rubber layer (5). The flat elastic layer (9) is parallel to the flat rubber layer (5). The flat elastic layer (9) is provided at a level 1/2 the height of the rubber column (6). The table tennis racket can be used conveniently, provide an improved frictional force, increase rotation speed and strength, and enhance competitiveness.
A liquid detergent for a table tennis racket rubber coating. The components of the liquid detergent and respective weight percentages are provided in the following:22-31% of a detergent carrier; 15-21% of a quaternary ammonium base; 4-8% of a fatty alcohol ethoxylate; 5-9% of a cocamide diethanolamine; 5-9% of a fatty alcohol ethoxylate sodium sulfate, 2-4% of an auxiliary agent, and a remainder of deionized water. The liquid detergent can effectively clean and remove grease, sweat stains, and other stains from a surface of the table tennis racket. The liquid detergent can also form an isolating and cleansing film on a rubber coating surface within a specified period of time. The film can ensure overall cleanliness without influencing the performance of ball striking and retaliation of the rubber coating. The liquid detergent has a high cleaning efficiency, produces a clear washing effluent, is friendly to the environment, and is simple to manufacture.
C08G 81/02 - Composés macromoléculaires obtenus par l'interréaction de polymères en l'absence de monomères, p. ex. polymères séquencés au moins un des polymères étant obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carbone
A laminated table tennis racket, comprising: base panel (1), a ball-striking surface filler layer, and a rubber coating (2). A surface of the base panel (1) is evenly distributed with filler through holes. The ball-striking surface filler layer comprises a racket surface adhesion layer and a soft intermediate layer (3). The racket surface adhesion layer comprises a fibrous layer (4) and an adhesion foam (5). The fibrous layer (4) adheres, by means of the foam (5), to an upper side and lower side of the base panel (1). One side of the soft intermediate layer (3) is uniformly distributed with bump formations (6), while another side is uniformly distributed with rubber pellets (7). The rubber pellet (7) is provided within the filler through hole. The rubber coating (2) is adhered to a side of the soft intermediate layer (3) further away the base panel (1).
A63B 59/45 - Leurs parties en caoutchoucRaquettes ou analogues à surfaces de frappe planes pour frapper une balle en l’air, p. ex. pour le tennis de table à surfaces solides caractérisées par la liaison entre une partie en caoutchouc et le corps de la raquette
A63B 102/08 - Paddle-tennis, padel ou platform-tennis
9.
TABLE TENNIS RACKET RUBBER COATING FOR STABLE BALL STRIKING AND RETALIATION
A table tennis racket rubber coating for stable ball striking and retaliation. The coating comprises a paddle surface lamination layer, a soft intermediate layer (1), and a ball striking layer (2) provided in that order. The paddle surface lamination layer comprises a fibrous layer (3), a closed-cell foam (4), and an open-cell foam (5). A surface of the fibrous layer (3) is uniformly provided with supporting grooves (6) with recesses oriented towards the bottom. The width of a bottom portion of the supporting groove (6) is less than the width of a top portion of the supporting groove (6). The open-cell foam (5) is uniformly and continuously laminated below the supporting groove (6). The closed-cell foam (4) is uniformly and continuously laminated to a lower surface of the fibrous layer (3). At a position between two of the supporting grooves (6), the elastic modulus of the closed-cell foam (4) is less than the elastic modulus of the open-cell foam (5). A top surface of the soft intermediate layer (1) is uniformly distributed with ball-striking bump formations (7), while a bottom surface is uniformly distributed with rubber pellets (8). The vertical cross-section of the ball-striking bump formation (7) has an arc shape. The pellet (8) has a cylindrical shape. The width of a bottom end of the pellet is less than the width of a top portion of the supporting groove (6). The ball striking layer (2) is a ball striking rubber coating. A layered structure provided by the invention ensures the stability of ball striking and retaliation without reducing the elasticity of a rubber coating and without reducing the service life, and further improves a striking ability of the rubber coating.
A63B 59/45 - Leurs parties en caoutchoucRaquettes ou analogues à surfaces de frappe planes pour frapper une balle en l’air, p. ex. pour le tennis de table à surfaces solides caractérisées par la liaison entre une partie en caoutchouc et le corps de la raquette
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