CN212235893U

CN212235893U - Tennis novice practice racket binding device

Info

Publication number: CN212235893U
Application number: CN202020798094.2U
Authority: CN
Inventors: 陈文远; 苏俊瑜; 周瑞南; 李龙龙; 郑跃斌
Original assignee: East China Institute of Technology
Current assignee: East China Institute of Technology
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-12-29
Anticipated expiration: 2030-05-14

Abstract

The utility model provides a ware is bound to tennis novice exercise racket, includes the racket board, the bottom fixedly connected with grab handle of racket board, the first fixed block of inside fixedly connected with of grab handle, first hole groove has been seted up to the inside of first fixed block, the inner wall fixedly connected with bearing of first fixed block, the inner wall fixedly connected with lead screw of bearing. The utility model discloses an inside lead screw of bearing rolls for the stretch cord prolongs, the slider through the stretch cord outer wall carries out the transmission at the in-process of stretch cord extension, give the third spring of slider one side with the impact force dispersion of stretch cord at the extension, the impact force that the third spring was accepted and the second spring that the vibration dispersion gave first spring outer wall, the impact force and the vibration that alleviate the stretch cord extension again, in order to reach and avoid the long-time user equipment of user to lead to the aching pain of hand, improve user's training effect.

Description

Tennis novice practice racket binding device

Technical Field

The utility model relates to a tennis novice practice racket binding device.

Background

The tennis racket comprises a racket head, a racket throat and a racket handle, and is further required to be matched with accessories such as tennis strings and shock-absorbing knots for use when the tennis racket is used, different tennis rackets are suitable for different people, when a novice exercises tennis, because a ball body and the racket are in a separated state, when the tennis racket is generally exercised, one end of a tennis ball and an elastic rope are required to be arranged, one end of the elastic rope is fixed on the ground, because the length of the rope body is fixed and cannot be changed according to the needs of all people, and the novice exercises easily cause aching pain of hand parts due to long-time exercise, and the exercise effect is poor.

Disclosure of Invention

The utility model aims at providing a ware is bound to tennis novice exercise racket to solve the problem that exists among the prior art.

The utility model relates to a tennis novice practice racket binding device, which comprises a racket plate, wherein the bottom of the racket plate is fixedly connected with a grab handle, the inside of the grab handle is fixedly connected with a first fixed block, the inside of the first fixed block is provided with a first hole groove, the inner wall of the first fixed block is fixedly connected with a bearing, the inner wall of the bearing is fixedly connected with a lead screw, the outer wall of the lead screw is fixedly connected with a first spring, the inside of the first fixed block is provided with a T-shaped hollow pipe, one end of the T-shaped hollow pipe runs through the first hole groove inside the first fixed block and extends to one side, the inside of the T-shaped hollow pipe is provided with an elastic rope, one end of the elastic rope is clockwise wound with the first spring on the outer wall of the lead screw, the outer wall of the elastic rope is provided with a slide block, the inside of the slide block is provided with a second hole groove, and, one side fixedly connected with of slider has the third spring, and one side fixedly connected with second fixed block of slider, third hole groove have been seted up to the inside of second fixed block, and the one end of stretch cord runs through the second fixed block through the inside third hole groove of second fixed block and extends to the outer wall of grab handle.

Preferably, the racket board and the handle are made of super-rigid carbon fiber, superconducting nano-grade and titanium.

Preferably, the outer wall of the grab handle is fixedly connected with an anti-skidding damping pad, and the anti-skidding damping pad is made of environment-friendly styrene butadiene rubber.

Preferably, the inside fixedly connected with second spring of first fixed block, just the second spring cover is established in the one end of T-shaped hollow tube.

Preferably, the number of the bearings is two, and the two sets of the bearings are arranged in axial symmetry with respect to a vertical central axis of the first fixing block.

Preferably, the one end of antiskid shock pad is equipped with the net spheroid, the arc recess has been seted up at the top of net spheroid, the top fixedly connected with arc connecting ring of arc recess, the one end fixed connection of stretch cord is at the outer wall of arc connecting ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the outer wall antiskid shock pad of grab handle, avoid the long-time grip of user, because palm of the hand sweat leads to the racket body to throw away, racket board and grab handle are made by super rigid carbon fiber, superconductive nanometer and titanium, improve the life of the racket body to reach and avoid the racket body when long-time training, too big because of throwing away bat and spheroid striking dynamics, lead to the racket body to split.

2. One end through the stretch cord twines with the first spring of lead screw outer wall, roll through the inside lead screw of bearing, make the stretch cord prolong, the in-process of stretch cord extension carries out the transmission through the slider of stretch cord outer wall, give the third spring of slider one side with the impact force dispersion of stretch cord at the extension, the impact force that the third spring accepted and the vibration dispersion give the second spring of first spring outer wall, alleviate the impact force and the vibration of stretch cord extension again, in order to reach and avoid the long-time equipment of user to lead to the hand ache.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional view of the handle of the present invention;

FIG. 3 is a schematic view of a partial structure of a netball body according to the present invention;

in the figure: the racket comprises a racket plate 1, a grab handle 2, an anti-skidding shock pad 3, a first fixing block 4, a first hole groove 5, a bearing 6, a lead screw 7, a first spring 8, a second spring 9, a T-shaped hollow tube 10, an elastic rope 11, a sliding block 12, a second hole groove 13, a third spring 14, a second fixing block 15, a third hole groove 16, a net ball 17, an arc-shaped groove 18 and an arc-shaped connecting ring 19.

Detailed Description

Referring to fig. 1-3, a tennis novice practice racket binding device comprises a racket plate 1, wherein a handle 2 is fixedly connected to the bottom of the racket plate 1, the racket plate 1 and the handle 2 are made of super-rigid carbon fiber, superconducting nano-grade and titanium, the service life of a racket body is prolonged, the racket body is prevented from being broken and losing use value due to overlarge impact force between a swinging racket and a ball body during long-time training, an anti-skidding damping pad 3 is fixedly connected to the outer wall of the handle 2, the anti-skidding damping pad 3 is made of environment-friendly styrene butadiene rubber, the handle 2 is prevented from being held by a user for a long time, unnecessary accidental injuries and deaths caused by throwing the racket body due to sweating of palms are avoided, a first fixing block 4 is fixedly connected to the inside of the handle 2, a first hole groove 5 is formed in the inside of the first fixing block 4, bearings 6 are fixedly connected to the inner wall of the first fixing block 4, and, two groups of bearings 6 are arranged in axial symmetry about the vertical central axis of the first fixed block 4, the inner wall of each bearing 6 is fixedly connected with a screw rod 7, the outer wall of each screw rod 7 is fixedly connected with a first spring 8, a T-shaped hollow tube 10 is arranged inside the first fixed block 4, one end of the T-shaped hollow tube 10 penetrates through the first hole groove 5 inside the first fixed block 4 and extends to one side of the first fixed block 4, a second spring 9 is fixedly connected inside the first fixed block 4, the second spring 9 is sleeved at one end of the T-shaped hollow tube 10 and absorbs shock through the second spring 9, so that the problem that hands are sore due to the fact that a user operates the racket body to be dizzy and ball impact for a long time is avoided, an elastic rope 11 is arranged inside the T-shaped hollow tube 10, one end of the elastic rope 11 is clockwise wound with the first spring 8 on the outer wall of the screw rod 7, a sliding block 12 is arranged on the outer wall of, the sliding block 12 is fixedly connected to the outer wall of the elastic rope 11 through the second hole groove 13, one side of the sliding block 12 is fixedly connected with a third spring 14, one side of the sliding block 12 is fixedly connected with a second fixing block 15, a third hole groove 16 is formed inside the second fixing block 15, one end of the elastic rope 11 extends to the outer wall of the handle 2 through the second fixing block 15 through the third hole groove 16 inside the second fixing block 15, one end of the anti-skid damping pad 3 is provided with a net ball body 17, the top of the net ball body 17 is provided with an arc-shaped groove 18, the top of the arc-shaped groove 18 is fixedly connected with an arc-shaped connecting ring 19, one end of the elastic rope 11 is fixedly connected to the outer wall of the arc-shaped connecting ring 19, when a user exercises, the racket board 1 collides with the net ball body 17 through the grip anti-skid damping pad 3, and in the process of ejecting the net ball body 17, the arc-shaped connecting ring, when making the tennis body 17 beat through the elasticity of stretch cord 11, also can kick-back out original place, twine with the first spring 8 of lead screw 7 outer wall through the one end of stretch cord 11, roll through the inside lead screw 7 of bearing 6, make stretch cord 11 prolong, the in-process of stretch cord 11 extension carries out the transmission through the slider 12 of stretch cord 11 outer wall, give the third spring 14 of slider 12 one side with the impact force dispersion of stretch cord 11 at the extension, the impact force that third spring 14 accepted and the vibration dispersion give the second spring 9 of first spring 8 outer wall, alleviate the impact force and the vibration of stretch cord 11 extension again, avoid the long-time equipment of user to lead to the hand ache.

The working principle of the utility model is that when in use, the anti-skid shock pad 3 on the outer wall of the handle 2 prevents a user from holding the handle 2 for a long time, the racket body is thrown out due to the sweating of the palm, the racket plate 1 and the handle 2 are made of super-rigid carbon fiber, super-conductive nano-grade and titanium, the service life of the racket body is prolonged, the racket body is prevented from being broken and losing the use value due to the overlarge impact force between the swinging racket and the ball body when the racket body is trained for a long time, the racket plate 1 and the tennis ball body 17 are collided through the anti-skid shock pad 3, the tennis ball body 17 is ejected out, the arc-shaped connecting ring 19 at the top of the tennis ball body 17 is fixedly connected with the elastic rope 11, the tennis ball body 17 is ejected out through the elasticity of the elastic rope 11 and rebounds out of the original place, one end of the elastic rope 11 is wound with the first spring 8 on the outer wall 7 of the lead screw, and rolls through the, make stretch cord 11 prolong, the in-process of stretch cord 11 extension is transmitted through slider 12 of stretch cord 11 outer wall, with stretch cord 11 the impact force dispersion of extension for the third spring 14 of slider 12 one side, the impact force and the vibration dispersion that third spring 14 accepted give the second spring 9 of 8 outer walls of first spring, alleviate the impact force and the vibration of stretch cord 11 extension again, avoid the long-time use equipment of user to lead to the aching pain of hand.

Claims

1. The utility model provides a ware is bound to tennis novice exercise racket, includes racket board (1), its characterized in that: the racket plate comprises a racket plate (1), and is characterized in that a grab handle (2) is fixedly connected to the bottom of the racket plate (1), a first fixing block (4) is fixedly connected to the inside of the grab handle (2), a first hole groove (5) is formed in the first fixing block (4), a bearing (6) is fixedly connected to the inner wall of the first fixing block (4), a lead screw (7) is fixedly connected to the inner wall of the bearing (6), a first spring (8) is fixedly connected to the outer wall of the lead screw (7), a T-shaped hollow tube (10) is arranged in the first fixing block (4), one end of the T-shaped hollow tube (10) extends to one side of the first fixing block (4) through the first hole groove (5) in the first fixing block (4), an elastic rope (11) is arranged in the T-shaped hollow tube (10), one end of the elastic rope (11) is clockwise wound with the first spring (8) on the outer wall of the lead screw (7), and a sliding block (, second hole groove (13) have been seted up to the inside of slider (12), just slider (12) are through second hole groove (13) fixed connection at the outer wall of stretch cord (11), and one side fixedly connected with of slider (12) has third spring (14), one side fixedly connected with second fixed block (15) of slider (12), and third hole groove (16) have been seted up to the inside of second fixed block (15), and the one end of stretch cord (11) runs through second fixed block (15) through third hole groove (16) of second fixed block (15) inside and extends to the outer wall of grab handle (2).

2. The tennis novice practice racket binder of claim 1, wherein: the racket board (1) and the grab handle (2) are made of super-rigid carbon fiber, superconducting nano-particles and titanium.

3. The tennis novice exercise racket binding device as claimed in claim 1, wherein an anti-skid shock pad (3) is fixedly connected to the outer wall of the handle (2), and the anti-skid shock pad (3) is made of environment-friendly styrene butadiene rubber.

4. The tennis novice practice racket binder of claim 1, wherein: the inside fixedly connected with second spring (9) of first fixed block (4), just second spring (9) cover is established in the one end of T shaped hollow tube (10).

5. The tennis novice practice racket binder of claim 1, wherein: the number of the bearings (6) is two, and the two sets of the bearings (6) are arranged in an axisymmetric mode relative to the vertical central axis of the first fixed block (4).