Table tennis training device

Abstract

The present invention relates to the field of sports training equipment, and in particular to a table tennis training device. It includes a holder, a friction ratchet part, a ball holder rotating part, a reset lever part, and a ball support frame for fixing a ball. A support rod is fixedly provided on the top of the holder, and the friction ratchet part, the ball holder rotating part, and the reset lever part are sequentially sleeved on the support rod; the ball holder rotating part includes a rotating member, a ball holder connecting member, and a connecting rod assembly, and the connecting rod assembly is fixed to the outer side of the rotating member and the ball holder connecting member through a rotating shaft, and the ball holder connecting member is connected to the ball support frame. A universal ball is fixedly provided at the head end of the ball support frame, and a ball is sleeved on the ball shaft at the end of the ball support frame. Therefore, the table tennis training device provided by the present invention improves the adaptability to the strength and rhythm requirements of different trainees, realizes the diversification of attacking and pulling routes, and more realistically simulates the attacking or pulling state of a complete polishing combination.

Description

Technical Field

[0001] The invention relates to the field of sports training equipment, in particular to a table tennis training device. Background Art

[0002] Table tennis is a popular ball sport in the world, including attack, confrontation and defense. The conditions for playing table tennis are not harsh and it is highly participatory. It can be played by men, women, young and old, from all over the world, indoors and outdoors. It is widely loved by Chinese people and has a high degree of popularity.

[0003] There are several kinds of table tennis training equipment on the market. One kind is to connect the table tennis ball to an elastic iron wire, so that the table tennis ball cannot rotate, and the rebound angle, direction and speed of the table tennis ball are irregular; the other kind is that the table tennis ball rotates around a fixed axis and cannot move in other directions; the existing table tennis training devices cannot practice the grinding combination of impact and friction generated when attacking or pulling the ball. Summary of the invention

[0004] The technical problem to be solved by the present invention is to solve the problems of the existing table tennis training device, such as the table tennis ball cannot rotate, and the impact and friction generated when practicing attacking or pulling the ball cannot be polished at the same time.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A table tennis training device comprises a holder, a friction ratchet part, a ball holder rotating part, a reset lever part and a ball support frame for fixing a ball, wherein a support rod is fixedly arranged on the top of the holder, and the friction ratchet part, the ball holder rotating part and the reset lever part are sequentially sleeved on the support rod; the ball holder rotating part comprises a rotating member, a ball holder connecting member and a connecting rod assembly, the connecting rod assembly is fixed to the outer sides of the rotating member and the ball holder connecting member through a rotating shaft, a spring member is fixedly arranged on the outer side of the rotating member, one end of the spring member is fixed to the rotating member, and the other end is connected to the ratchet teeth of the friction ratchet part; the ball holder connecting member is connected to the ball support frame, a universal ball is fixedly arranged on the head end of the ball support frame, and a ball is sleeved on a ball shaft at the end of the ball support frame.

[0007] Wherein, the friction ratchet part includes a ratchet plate and a friction plate sleeved outside the ratchet plate, and the friction plate and the ratchet plate are threadedly connected; the planar part of the friction plate is provided with a plurality of spring sheets around the clockwise direction, the middle part of the ratchet plate has a first hollow cylinder, the side wall of the first hollow cylinder is provided with a first threaded hole, and the ratchet plate has clockwise ratchet teeth on the planar part of the outer periphery of the first hollow cylinder, and the friction ratchet part is fixed to the bracket rod and locked by a first locking screw matching the first threaded hole.

[0008] Among them, the rotating member has a second hollow cylinder at one end and a raised portion at the other end, and a groove is provided between the second hollow cylinder and the raised portion; the head end of the ball bracket connecting member is provided with a card slot that cooperates with the raised portion of the rotating member; the rotating member and the ball bracket connecting member are fixed by a rotating shaft to form a limited angle with a spacing, and the rotating member is sleeved on the bracket rod.

[0009] Among them, the connecting rod assembly includes a switch trigger connecting rod, a slot connecting rod and a long connecting rod; one end of the slot connecting rod is connected to the long connecting rod rotating shaft, and the other end is connected to the switch trigger connecting rod rotating shaft; the other end of the long connecting rod is connected to the outside of the ball bracket connecting part, and one side of the long connecting rod is connected to the outside of the rotating part. A tension spring part is provided between the long connecting rod and the rotating part, one end of the tension spring part is fixed to the outside of the rotating part, and the other end is connected to the outside of the long connecting rod; the slot connecting rod and the switch trigger connecting rod are respectively connected to the outside of the rotating part by rotating shafts, and one end of the switch trigger connecting rod is in contact with the limiting column of the reset lever part.

[0010] Among them, the reset lever part includes a cover plate and a reset lever member, the reset lever member includes a lever and a reset connecting member, the reset connecting member is a cylinder with a through hole, and grooves are arranged in annular shapes on both sides of the cylinder, and the lever is located in the grooves; the lever is provided with an axial hole and a limit column, the axial hole is located in the middle of the lever, and the limit column is located at one end of the lever.

[0011] In which, the middle part of the cover plate is provided with a third hollow cylinder, the side wall of the third hollow cylinder is provided with a second threaded hole, and the cover plate has an externally threaded column, a fixed bracket and a limiting hole on the planar part of the outer periphery of the third hollow cylinder for fixing the reset lever member, the externally threaded column is sleeved with a reset spring, the reset connecting piece is sleeved on the externally threaded column and is located above the reset spring and fixed by a limiting nut, the fixed bracket has an installation groove, the installation groove of the fixed bracket is sleeved on the axial hole of the lever and fixed by a rotating shaft, and the limiting column is inserted into the limiting hole; the cover plate is fixed to the bracket rod and is locked and fixed by a second locking screw matching the second threaded hole.

[0012] Wherein, the lever comprises a first lever and a second lever, and the reset lever member is installed and fixed on the top of the cover plate.

[0013] Wherein, there is a gap between the friction ratchet part and the reset lever part for the rotation of the rotating member.

[0014] Wherein, a joint groove and a locking ring for locking the universal ball and the joint groove are provided at the end of the ball bracket connecting piece.

[0015] The bottom of the holder is threadedly connected with a screw rod, the bottom of the screw rod is fixedly connected with a handle, and the top of the screw rod is connected with a rubber pad.

[0016] The beneficial effects of the present invention are as follows: since the table tennis training device includes a holder, a friction ratchet part, a ball bracket rotating part, a reset lever part and a ball support frame for fixing the ball, a bracket rod is fixedly provided on the top of the holder, and the friction ratchet part, the ball bracket rotating part and the reset lever part are sequentially sleeved on the bracket rod; the ball bracket rotating part includes a rotating member, a ball bracket connecting member and a connecting rod assembly, and the connecting rod assembly is fixed to the outer side of the rotating member and the ball bracket connecting member through a rotating shaft, and a spring member is fixedly provided on the outer side of the rotating member, one end of the spring member is fixed to the rotating member, and the other end is connected to the ratchet teeth of the friction ratchet part; the ball bracket connecting member is connected to the ball support frame, and a universal ball is fixedly provided at the head end of the ball support frame, and a ball is sleeved on the ball shaft at the end of the ball support frame. Therefore, the table tennis training device provided by the present invention improves the adaptability to the strength and rhythm requirements of different trainers, realizes the diversification of the routes of attacking and pulling the ball, and more realistically simulates the attacking or pulling state of the complete polishing combination. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a table tennis training device provided by an embodiment of the present invention.

[0018] Figure 2 It is a schematic structural diagram of the friction ratchet portion of the table tennis training device provided by an embodiment of the present invention.

[0019] Figure 3 It is a structural schematic diagram of the ball bracket rotating part of the table tennis training device provided by an embodiment of the present invention.

[0020] Figure 4 It is a structural schematic diagram of the reset lever portion of the table tennis training device provided by an embodiment of the present invention.

[0021] Figure 5 It is a stereoscopic diagram of the assembled state of the table tennis training device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and beneficial effects of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] In order to illustrate the technical solution of the present invention, a specific embodiment is provided below for illustration.

[0024] See also Figures 1 to 5A table tennis training device provided by an embodiment of the present invention comprises a holder 1, a friction ratchet part 2, a ball holder rotating part 300, a reset lever part 400 and a ball support frame 5 for fixing a ball, wherein a support rod 6 is fixedly arranged on the top of the holder 1, and the friction ratchet part 2, the ball holder rotating part 300 and the reset lever part 400 are sequentially sleeved on the support rod 6; the ball holder rotating part 300 comprises a rotating member 310, a ball holder connecting member 320 and a connecting rod assembly 330, wherein the connecting rod assembly 330 is fixed to the outer sides of the rotating member 310 and the ball holder connecting member 320 through a rotating shaft, a spring member 340 is fixedly arranged on the outer side of the rotating member 310, one end of the spring member 340 is fixed to the rotating member 310, and the other end is connected to the ratchet teeth of the friction ratchet part 2; the ball holder connecting member 320 is connected to the ball support frame 5, a universal ball 7 is fixedly arranged on the head end of the ball support frame 5, and a ball 8 is sleeved on the ball shaft at the end of the ball support frame 5. Rotating the friction ratchet part 2 can adjust the pressure between the spring part 340 and the rotating part 310, and change the resistance encountered by the rotating part 310 during rotation. In this way, the amount of kinetic energy loss during rotation of the rotating part 310 can be adjusted, thereby controlling the impact force received by the limit column on the reset lever; the ball bracket connecting part 320 and the ball support frame 5 are connected by a universal ball 7, and the ball 8 can rotate around the ball axis on the ball support frame 5, so the trainee can practice different attacking routes such as attacking straight lines and attacking diagonal lines.

[0025] In an embodiment of the present invention, the friction ratchet portion 2 includes a ratchet disc 21 and a friction disc 22 sleeved outside the ratchet disc, and the friction disc 22 and the ratchet disc 21 are threadedly connected; the planar portion of the friction disc 22 is provided with a plurality of spring sheets 23 in a clockwise direction, the middle portion of the ratchet disc 21 has a first hollow cylinder 24, the side wall of the first hollow cylinder 24 is provided with a first threaded hole 25, and the ratchet disc 21 has clockwise ratchet teeth 26 on the planar portion of the outer periphery of the first hollow cylinder 24, and the friction ratchet portion 2 is fixed to the bracket rod 6 and locked by a first locking screw 27 matching the first threaded hole 25.

[0026] In the embodiment of the present invention, the rotating member 310 has a second hollow cylinder 311 at one end and a protrusion 312 at the other end, and a groove 313 is provided between the second hollow cylinder 311 and the protrusion 312, so that the rotating member 310 will not be blocked by the limiting column of the reset lever part during rotation; the head end of the ball bracket connecting member 320 is provided with a card groove 314 that cooperates with the protrusion 312 of the rotating member; the rotating member 310 and the ball bracket connecting member 320 are connected by a rotating shaft to form a limiting angle with a spacing, and the ball bracket connecting member 320 rotates around the rotation axis between the limiting angle and the rotating member 310, and is limited by the rotating member 310 after rotating a certain angle, and the rotating member 310 is sleeved on the bracket rod 6.

[0027] In the embodiment of the present invention, the connecting rod assembly 330 includes a switch trigger connecting rod 331, a groove connecting rod 332 and a long connecting rod 333; one end of the groove connecting rod 332 is connected to the rotating shaft of the long connecting rod 333, and the other end is connected to the rotating shaft of the switch trigger connecting rod 331; the other end of the long connecting rod 333 is connected to the outside of the ball bracket connecting member 320, and one side of the long connecting rod 333 is connected to the outside of the rotating member 310; a tension spring member 334 is provided between the long connecting rod 333 and the rotating member 310, one end of the tension spring member 334 is fixed to the outside of the rotating member 310, and the other end is connected to the outside of the long connecting rod 333; the groove connecting rod 332 and the switch trigger connecting rod 331 are respectively connected to the outside of the rotating member 310 by rotating shafts, and one end of the switch trigger connecting rod 331 contacts the limiting column of the reset lever part 400.

[0028] In the embodiment of the present invention, the reset lever portion 400 includes a cover plate 410 and a reset lever member 420, the reset lever member 420 includes a lever and a reset connecting member 421, the reset connecting member 421 is a cylinder with a through hole, and grooves 422 are provided in annular shapes on both sides of the cylinder, and the lever is located in the grooves 422; the lever is provided with an axial hole 423 and a limiting column 424, the axial hole 423 is located in the middle of the lever, and the limiting column 424 is located at one end of the lever.

[0029] In the embodiment of the present invention, the middle part of the cover plate 410 is provided with a third hollow cylinder 411, and the side wall of the third hollow cylinder 411 is provided with a second threaded hole 412. The cover plate 410 has an external threaded column 413, a fixed bracket 414 and a limiting hole 415 on the outer plane part of the third hollow cylinder 411 for fixing the reset lever member 420. The external threaded column 413 is sleeved with a reset spring 416. The reset connecting member 421 is sleeved on the external threaded column 413 and is located above the reset spring 416 and fixed by a limiting nut 417. The fixed bracket 414 has an installation groove 418, and the installation groove 418 of the fixed bracket is sleeved on the shaft hole 425 of the lever and fixed by a rotating shaft. The limiting column 426 is inserted into the limiting hole 415; the cover plate 410 is fixed to the bracket rod 6 and is locked and fixed by a second locking screw 419 matching the second threaded hole 412.

[0030] In the embodiment of the present invention, the lever includes a first lever 431 and a second lever 432 , and the reset lever member 420 is installed and fixed on the top of the cover plate 410 .

[0031] In the embodiment of the present invention, there is a gap between the friction ratchet portion 2 and the reset lever portion 400 for the rotating member 310 to rotate.

[0032] In the embodiment of the present invention, a joint groove 321 and a locking ring 322 for locking the universal ball 7 and the joint groove 321 are provided at the end of the ball bracket connector 320 .

[0033] In the embodiment of the present invention, a screw rod 11 is threadedly connected to the bottom of the holder 1 , a handle 12 is fixedly connected to the bottom of the screw rod 11 , and a rubber pad 13 is connected to the top of the screw rod 11 .

[0034] The working process of the table tennis training device of the present invention is as follows: when the table tennis training device is to be used, the rotating part is blocked by the limiting column on the first lever, and when the racket hits the ball, the bracket connecting rod rotates around the rotation axis between the limiting angle and the rotating part, thereby driving the long connecting rod, the slot connecting rod and the switch trigger connecting rod to rotate in turn, and when the switch trigger connecting rod rotates, the limiting column on the second lever is lifted, thereby driving the lever reset connecting part to compress the reset spring downward, and at the same time, the reset connecting part drives the first lever to move, lifts the limiting column on the first lever, and the rotating part starts to rotate. By rotating the friction ratchet part, the pressure between the spring part and the rotating part can be adjusted, and the resistance of the rotating part during the rotation process can be changed, so that the time interval of the ball reset can be adjusted, and the amount of kinetic energy loss during the rotation of the rotating part can also be adjusted, thereby controlling the impact force of the limiting column on the lever, so as to meet the strength and rhythm requirements of different trainers.

[0035] In the embodiment of the present invention, the table tennis training device provided by the present invention can improve the adaptability to the strength and rhythm requirements of different trainees, realize the diversification of attacking and pulling routes, and more realistically simulate the attacking or pulling state of complete polishing combination.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A table tennis training device, characterized in that: It comprises a card seat, a friction ratchet part, a ball bracket rotating part, a reset lever part and a ball support frame for fixing a ball, a bracket rod is fixedly provided on the top of the card seat, and the friction ratchet part, the ball bracket rotating part and the reset lever part are sleeved on the bracket rod in sequence; the ball bracket rotating part comprises a rotating member, a ball bracket connecting member and a connecting rod assembly, the connecting rod assembly is fixed to the outer sides of the rotating member and the ball bracket connecting member through a rotating shaft, a spring member is fixedly provided on the outer side of the rotating member, one end of the spring member is fixed to the rotating member, and the other end is connected to the ratchet teeth of the friction ratchet part; the ball bracket connecting member is connected to the ball support frame, a universal ball is fixedly provided at the head end of the ball support frame, and a ball is sleeved on the ball shaft at the end of the ball support frame; The friction ratchet part comprises a ratchet disc and a friction disc sleeved outside the ratchet disc, and the friction disc and the ratchet disc are connected by a threaded connection; a plurality of spring sheets are arranged around the plane part of the friction disc in a clockwise direction, a first hollow cylinder is arranged in the middle part of the ratchet disc, a first threaded hole is arranged on the side wall of the first hollow cylinder, and the ratchet disc has clockwise ratchet teeth on the plane part of the outer periphery of the first hollow cylinder, and the friction ratchet part is fixed to the bracket rod and locked by a first locking screw matching the first threaded hole; The rotating member has a second hollow cylinder at one end and a protrusion at the other end, and a groove is provided between the second hollow cylinder and the protrusion; the head end of the ball bracket connecting member is provided with a clamping groove that is matched and connected with the protrusion of the rotating member; the rotating member and the ball bracket connecting member are connected and fixed by a rotating shaft to form a limited angle with a spacing, and the rotating member is sleeved on the bracket rod; The connecting rod assembly includes a switch trigger connecting rod, a slot connecting rod and a long connecting rod; one end of the slot connecting rod is connected to the long connecting rod rotating shaft, and the other end is connected to the switch trigger connecting rod rotating shaft; the other end of the long connecting rod is connected to the outside of the ball bracket connecting member, and one side of the long connecting rod is connected to the outside of the rotating member. A tension spring member is provided between the long connecting rod and the rotating member, one end of the tension spring member is fixed to the outside of the rotating member, and the other end is connected to the outside of the long connecting rod; the slot connecting rod and the switch trigger connecting rod are respectively connected to the outside of the rotating member by rotating shafts, and one end of the switch trigger connecting rod is in contact with the limiting column of the reset lever part.

2. The table tennis training device according to claim 1, characterized in that: The reset lever part includes a cover plate and a reset lever member, the reset lever member includes a lever and a reset connecting member, the reset connecting member is a cylinder with a through hole, grooves are provided in annular shapes on both sides of the cylinder, and the lever is located in the grooves; the lever is provided with an axial hole and a limiting column, the axial hole is located in the middle of the lever, and the limiting column is located at one end of the lever.

3. The table tennis training device according to claim 2, characterized in that: The middle part of the cover plate is provided with a third hollow cylinder, the side wall of the third hollow cylinder is provided with a second threaded hole, the cover plate is respectively provided with an externally threaded column, a fixed bracket and a limiting hole on the planar part of the outer periphery of the third hollow cylinder for fixing the reset lever member, the externally threaded column is sleeved with a reset spring, the reset connecting piece is sleeved on the externally threaded column and is located above the reset spring and fixed by a limiting nut, the fixed bracket has an installation groove, the installation groove of the fixed bracket is sleeved on the axial hole of the lever and fixed by a rotating shaft, and the limiting column is inserted into the limiting hole; the cover plate is fixed to the bracket rod and is locked and fixed by a second locking screw matching the second threaded hole.

4. The table tennis training device according to claim 2, characterized in that: The lever comprises a first lever and a second lever, and the reset lever member is installed and fixed on the top of the cover plate.

5. The table tennis training device according to claim 1, characterized in that: A gap is provided between the friction ratchet portion and the reset lever portion so as to allow the rotating member to rotate.

6. The table tennis training device according to claim 1, characterized in that: The end of the ball bracket connecting piece is provided with a joint groove and a locking ring used for locking the universal ball and the joint groove.

7. The table tennis training device according to claim 1, characterized in that: The bottom of the clamping seat is threadedly connected with a screw rod, the bottom of the screw rod is fixedly connected with a handle, and the top of the screw rod is connected with a rubber pad.

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