CN215609230U

CN215609230U - Training device for training ball-serving strength

Info

Publication number: CN215609230U
Application number: CN202120831582.3U
Authority: CN
Inventors: 雷耿华
Original assignee: Xian Peihua University
Current assignee: Xian Peihua University
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2022-01-25
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a training device for training ball serving strength, which comprises a bottom plate and a top plate, wherein a vertical supporting plate is arranged between the upper surface of the bottom plate and one side of the lower surface of the top plate, two first double pulleys are arranged on the lower surface of the top plate, a connecting rope penetrates through the two first double pulleys, a fixing ring is arranged on one side, away from the supporting plate, of the connecting rope, the fixing ring is suspended on the left side of the supporting plate, the other side of the connecting rope penetrates through the supporting plate and the fixing plate in sequence and then is fixedly connected with the upper surface of a limiting plate, the limiting plate is suspended on the right side of the supporting plate, a plurality of tension springs are arranged on the left side and the right side of the upper surface of the limiting plate at equal intervals, the upper sides of the tension springs are connected with the fixing plate, the fixing plate is fixed on the right side wall of the supporting plate, a single pulley is fixedly connected to the upper side of the right side wall of the supporting plate, and the outer annular wall of a pulley in the single pulley is abutted against the connecting rope. The utility model fixes the tennis racket on the device, and swings the racket according to the action of serving, thereby being combined with the action of serving and improving the training effect.

Description

Training device for training ball-serving strength

Technical Field

The utility model relates to the technical field of physical training instruments, in particular to a trainer for training ball serving strength.

Background

With the improvement of living standard of people, more and more people pay more and more attention to the health of the body, more and more people regard sports as an important activity of pleasure per se, so that a plurality of people can select ball games, which belong to antagonistic sports, taking tennis, volleyball and the like as examples, whether the ball can be hit to a corresponding position accurately is one of important standards for judging a player, and therefore some auxiliary training devices are needed.

Disclosure of Invention

In order to solve the above problems, it is an object of the present invention to provide a training device for training power of serve, in which a tennis racket is fixed to the device, and then a swing can be performed according to the act of serve, so that the training device can be combined with the act of serve, thereby improving the training effect.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a training device for training the power of serving a ball comprises a bottom plate 1 and a top plate 3, wherein a vertical supporting plate 2 is arranged between the upper surface of the bottom plate 1 and one side of the lower surface of the top plate 3, the lower surface of the top plate 3 is provided with two first double pulleys 4, a connecting rope 6 penetrates through the two first double pulleys 4, the side of the connecting rope 6, which is far away from the supporting plate 2, is provided with a fixing ring 10, the fixing ring 10 is suspended at the left side of the supporting plate 2, the other side of the connecting rope 6 sequentially passes through the supporting plate 2 and the fixing plate 7, with the upper surface fixed connection of limiting plate 9, limiting plate 9 hangs and establishes on the right side of backup pad 2, and the left and right sides of limiting plate 9 upper surface is impartial apart from being equipped with several extension spring 8, and the upside and the fixed plate 7 of extension spring 8 are connected, and fixed plate 7 is fixed on the right side wall of backup pad 2, and the upside fixedly connected with single pulley 5 of the backup pad 2 right side wall, and the outer rampart of the pulley among the single pulley 5 is contradicted on connecting rope 6.

The upper end and the lower end of the tension spring 8 are respectively fixed with a connecting plate 11, the other side wall of the connecting plate 11 is respectively fixed with a spring hook 12, the spring hooks 12 are respectively connected with a limiting ring 13, and the upper limiting ring 13 and the lower limiting ring 13 are respectively fixed on the lower surface of the fixing plate 7 and the upper surface of the limiting plate 9.

The upper side of fixed plate 7 be equipped with No. two double pulley 14, two pulleys in No. two double pulley 14 set up respectively in the both sides of connecting rope 6, the support in No. two double pulley 14 is fixed on a lateral wall of backup pad 2.

The left side of the lower surface of the top plate 3 is fixed with a hook 15, a limiting ring 16 is hung on the hook 15, and the limiting ring 16 is fixedly connected with the left end of the connecting rope 6.

The front side and the rear side of the left side wall of the limiting plate 9 are both fixed with sliding blocks 17, sliding rails 18 are arranged in the sliding blocks 17 in a sliding mode, and the sliding rails 18 are fixed on the right side wall of the supporting plate 2.

The utility model has the beneficial effects that:

the tennis racket is fixed on the device, and then the racket can be swung according to the action of serving, so that the tennis racket can be combined with the action of serving, the training effect is improved, and the tennis racket has the advantages of reasonable arrangement, low manufacturing cost and the like.

Two ends of the tension spring are respectively fixed on the limiting plate and the fixing plate through the matching of the spring hook and the limiting ring, so that the quantity of the tension spring can be adjusted according to required strength, and the training is convenient;

one side of the limiting plate slides on the sliding rail through the sliding block, so that the limiting plate is linearly moved up and down, and the stability of the limiting plate is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

Fig. 4 is a schematic structural diagram of the limiting plate of the utility model.

Reference numerals:

bottom plate 1, backup pad 2, roof 3, No. one double pulley 4, single pulley 5, connect rope 6, fixed plate 7, extension spring 8, limiting plate 9, solid fixed ring 10, connecting plate 11, spring hook 12, spacing ring 13, No. two double pulley 14, couple 15, spacing collar 16, slider 17, slide rail 18.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: the device comprises a bottom plate 1, a supporting plate 2 and a top plate 3, wherein the supporting plate 2 is fixedly welded on the right side of the upper surface of the bottom plate 1, and the upper side of the supporting plate 2 is fixedly welded on the right side of the lower surface of the top plate 3;

the novel roof plate structure is characterized by further comprising a first double pulley 4, a single pulley 5, a connecting rope 6, a fixing plate 7, tension springs 8, a limiting plate 9 and a fixing ring 10, wherein a hook 15 is fixedly welded on the left side of the lower surface of the roof plate 3, a limiting ring 16 is hung on the hook 15, the limiting ring 16 is fixedly tied with the left end of the connecting rope 6, when the roof plate structure is not used, the connecting rope 6 can be limited, the first double pulley 4 is fixedly arranged on the left side and the right side of the lower surface of the roof plate 3, the connecting rope 6 penetrates through the two first double pulleys 4, the fixing ring 10 is fixedly welded on the left end of the connecting rope 6, the fixing ring 10 is fixedly hung on the left side of the supporting plate 2, the right end of the connecting rope 6 sequentially penetrates through the supporting plate 2 and the fixing plate 7 and is fixedly welded with the upper surface of the limiting plate 9, the limiting plate 9 is hung on the right side of the supporting plate 2, the left side and the right side of the upper surface of the limiting plate 9 are provided with a plurality of the tension springs 8 at equal intervals, the upper ends of the tension springs 11 are fixedly welded on the upper end and the upper end of the tension springs 8, a spring hook 12 is welded and fixed on the other side wall of the connecting plate 11, the spring hook 12 is respectively connected with a limiting ring 13, an upper limiting ring 13 and a lower limiting ring 13 are respectively welded and fixed on the lower surface of the fixing plate 7 and the upper surface of the limiting plate 9, an appropriate number of tension springs 8 can be selected to facilitate disassembly and assembly, sliders 17 are respectively welded and fixed on the front side and the rear side of the left side wall of the limiting plate 9, slide rails 18 are respectively arranged in the sliders 17 in a sliding manner, the slide rails 18 are fixed on the right side wall of the supporting plate 2 through bolts to increase the stability of the limiting plate 9, the fixing plate 7 is welded and fixed on the right side wall of the supporting plate 2, the upper side of the right side wall of the supporting plate 2 is fixedly connected with a single pulley 5 through bolts, the outer ring wall of the pulley 5 is abutted against the connecting rope 6, a second double pulley 14 is arranged on the upper side of the fixing plate 7, and two pulleys in the second double pulley 14 are respectively arranged on two sides of the connecting rope 6, the bracket in the second double-pulley 14 is fixed on the right side wall of the support plate 2 through a bolt, so that the smoothness of the connecting rope 6 can be improved.

The working principle of the utility model is as follows:

during the use, insert the grab handle of tennis racket in solid fixed ring 10, and spacing through the bolt with it, then take off spacing collar 16 from couple 15, hold the grab handle that exposes in solid fixed ring 10 outside again, wave the bat according to the action of serving a ball, wave the in-process of bat, will connect rope 6 to the left side pulling, connect rope 6 and drive limiting plate 9 rebound, rebound in-process extension spring 8 produces the resistance, the strength that needs when having increased and waved, and then reach the effect of training, if first use, then according to the size of each people's strength, select right amount extension spring 8, again with the spring hook 12 on extension spring 8 hook to spacing collar 13, unnecessary extension spring 8 then can be accomodate to one side, so that use next time, if need train the volleyball, then can fix the volleyball on solid fixed ring 10 through the pocket winding, when training, hold the volleyball and pull to the front side.

Claims

1. The trainer for training ball serving strength is characterized by comprising a bottom plate (1) and a top plate (3), wherein a vertical supporting plate (2) is arranged between the upper surface of the bottom plate (1) and one side of the lower surface of the top plate (3), two first double pulleys (4) are arranged on the lower surface of the top plate (3), a connecting rope (6) penetrates through the two first double pulleys (4), a fixing ring (10) is arranged on one side, away from the supporting plate (2), of the connecting rope (6), the fixing ring (10) is suspended on the left side of the supporting plate (2), the other side of the connecting rope (6) penetrates through the supporting plate (2) and a fixing plate (7) in sequence and is fixedly connected with the upper surface of a limiting plate (9), the limiting plate (9) is suspended on the right side of the supporting plate (2), a plurality of tension springs (8) are arranged on the left side and the right side of the upper surface of the limiting plate (9) at equal intervals, and the upper sides of the tension springs (8) are connected with the fixing plate (7), the fixed plate (7) is fixed on the right side wall of the support plate (2), the upper side of the right side wall of the support plate (2) is fixedly connected with a single pulley (5), and the outer ring wall of a pulley in the single pulley (5) is abutted against the connecting rope (6).

2. The training device for training power of serving as one of claims 1, wherein the upper end and the lower end of the tension spring (8) are both fixed with a connecting plate (11), the other side wall of the connecting plate (11) is both fixed with a spring hook (12), the spring hooks (12) are respectively connected with a limiting ring (13), and the upper limiting ring (13) and the lower limiting ring (13) are respectively fixed on the lower surface of the fixing plate (7) and the upper surface of the limiting plate (9).

3. The training device for training power of serving as claimed in claim 1, wherein the upper side of the fixing plate (7) is provided with a second double pulley (14), two pulleys of the second double pulley (14) are respectively arranged at two sides of the connecting rope (6), and a bracket of the second double pulley (14) is fixed on one side wall of the supporting plate (2).

4. The training device for training power of serving balls according to claim 1, characterized in that a hook (15) is fixed on the left side of the lower surface of the top plate (3), a limiting ring (16) is hung on the hook (15), and the limiting ring (16) is fixedly connected with the left end of the connecting rope (6).

5. The training device for training power of serving as claimed in claim 1, wherein the front and back sides of the left side wall of the limiting plate (9) are both fixed with sliding blocks (17), the sliding blocks (17) are both provided with sliding rails (18) in a sliding manner, and the sliding rails (18) are fixed on the right side wall of the supporting plate (2).