CN216366569U

CN216366569U - Fixed point ball hitting device for tennis training

Info

Publication number: CN216366569U
Application number: CN202121001403.XU
Authority: CN
Inventors: 崔斌; 姜旻; 王洪彪
Original assignee: Shanghai University of Medicine and Health Sciences
Current assignee: Shanghai University of Medicine and Health Sciences
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-04-26
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a fixed-point ball hitting device for tennis training, which belongs to the field of sports equipment and comprises a base, wherein a supporting rod is fixed on the top surface of the base, a ball support is fixed on the top of the supporting rod, the ball support comprises a support body and a plurality of supporting sheets, the lower part of the support body is detachably connected to the top of the supporting rod, the supporting sheets are made of flexible materials and are arranged in a plurality, and the supporting sheets are uniformly distributed on the same circumference of the upper part of the support body in the circumferential direction so that the tops of the supporting sheets are used for bearing tennis together. The tennis hitting device is simple in structure and reasonable in design, and can not obstruct the hitting of tennis balls while positioning the tennis balls at fixed points, so that a trainer can obtain a real hitting feeling and can visually see the actual effect of the used action.

Description

Fixed point ball hitting device for tennis training

Technical Field

The utility model relates to the field of sports equipment, in particular to a fixed-point ball hitting device for tennis training.

Background

The existing tennis fixed-point training batting device completely fixes a ball on equipment, the fixing structure of the equipment can be fixed only by penetrating through a ball body, and a beginner can only be used for familiarizing actions when using the tennis fixed-point training batting device, cannot obtain real proprioception and visually see the actual effect of the used actions, and the excessively fixed design lacks universality and has a small application range.

The other tennis training device is to fix the ball by a rope, which also has the problem that the actual hitting effect cannot be directly observed, and the suspension fixation of the rope is not beneficial to the stability of the hitting point, so that the shape of the hitting action of the beginner is easy to deviate.

Although the pitching machine can simulate the actual batting state, to the beginner, when needing fixed action, the pitching machine can not provide absolutely stable batting point, and the motor drive of pitching machine needs to insert the commercial power in addition, perhaps battery, and weight and volume are all unfavorable for the convenience of carrying.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems that the ball hitting device is inconvenient to fix a ball body and the ball hitting effect cannot be seen visually in tennis training in the prior art, the utility model aims to provide the fixed point ball hitting device for tennis training.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the utility model provides a fixed point ball hitting device for tennis training, includes the base, the top surface of base is fixed with the bracing piece, the top of bracing piece is fixed with the ball and holds in the palm, the ball holds in the palm including support body and backing sheet, the connection can be dismantled to the lower part of support body is in the top of bracing piece, the backing sheet is made by flexible material and is provided with a plurality ofly, and a plurality ofly backing sheet circumference evenly distributed is in so that a plurality ofly on the same circumference on support body upper portion the top of backing sheet is used for bearing the tennis jointly.

Preferably, the base comprises an upright column and a plurality of supporting legs, the supporting legs are uniformly distributed in a radial shape by taking the upright column as a center, and the supporting legs are rotatably connected with the upright column to furl the supporting legs; the supporting legs are fixed on the stand columns, a plurality of limiting plates are further fixed on the stand columns, limiting clamping grooves are formed in the limiting plates, and limiting columns matched with the limiting clamping grooves are arranged on the supporting legs so that the supporting legs can be fixed when the supporting legs are used.

Furthermore, a spring is connected between each supporting leg and the upright column so that the supporting legs are folded when not in use.

Preferably, the lower end of the supporting rod is detachably connected with the top of the upright post.

Preferably, the support rod is a lockable telescopic rod.

Preferably, the support body comprises a base body and a connector which are coaxially connected, the support sheets are fixedly connected to the side wall of the base body through hoops, and the connector is detachably connected with the support rod.

Further, still include spring and connecting seat, the lower extreme fixed connection of spring is in the top of bracing piece, connecting seat fixed connection be in the upper end of spring, the ball holds in the palm can dismantle the connection and be in on the connecting seat.

Preferably, the connecting body is provided with an elastic buckle, and the connecting seat is provided with a clamping groove matched with the elastic buckle.

By adopting the technical scheme, the tennis is placed on the supporting pieces made of the flexible materials to be supported together before being hit due to the arrangement of the ball support, so that the tennis can be fixed at a fixed point, and when the tennis is hit, the tennis cannot be hindered from the motion of the racket due to the fact that the supporting pieces are made of the flexible materials, so that the tennis can be hit smoothly, the motion track of the tennis is not hindered by equipment, and a trainer can obtain a real hitting feeling and can also visually see the actual effect of the used action.

Drawings

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

FIG. 2 is a schematic structural view of the ball support of the present invention;

FIG. 3 is a top view of the base of the present invention;

fig. 4 is a side view of a base of the present invention.

In the figure, 1-a base, 11-a column, 12-a supporting foot, 13-a limiting plate, 14-a limiting column, 2-a supporting rod, 3-a ball support, 31-a support body, 32-a base body, 33-a connector, 34-an elastic buckle, 35-a hoop, 4-a supporting sheet, 5-a spring and 6-a connecting seat.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on structures shown in the drawings, and are only used for convenience in describing the present invention, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

A fixed-point ball hitting device for tennis training is shown in figure 1 and comprises a base 1, a support rod 2 and a ball support 3. The base 1 is placed on the bottom surface and plays a role in supporting and stabilizing the whole tennis, the support rod 2 plays a role in lifting the fixed point height of the tennis, and the ball support 3 is used for supporting and positioning the tennis, so that a trainer can directly perform hitting training on the tennis supported and positioned by the tennis support.

In this embodiment, the configuration base 1 includes a column 11 and a plurality of supporting legs 12, the column 11 is vertically disposed, the supporting legs 12 are radially and uniformly distributed with the column 11 as a center, for example, four supporting legs 12 are distributed at intervals of 90 °.

The bracing piece 2 is shaft-like and vertical setting, and its lower extreme fixed connection is on the top surface of the stand 11 in the base 1, for the convenience of both dismantlements, makes bracing piece 2 can dismantle the connection on stand 11, for example both pass through threaded connection.

In this embodiment, as shown in fig. 2, the ball support 3 includes a support body 31 and a support piece 4, wherein the support body 31 is fixedly connected to the top of the support rod 2, and for convenience of detachment and replacement, the support body 31 is detachably connected to the support rod 2, for example, by a threaded connection. The supporting sheets 4 are configured to be strip-shaped sheet structures made of flexible materials, the supporting sheets 4 are configured to be multiple, the bottoms of the supporting sheets 4 are all fixedly connected to the support body 31, and the supporting sheets 4 are circumferentially and uniformly distributed on the same circumference of the upper portion of the support body 31, so that the tops of the supporting sheets 4 also surround a circumference, and the supporting sheets are used for jointly bearing and positioning tennis balls. Wherein the flexible material is configured to be malleable, deform upon impact, and recover. In this embodiment, the support sheets 4 are disposed in two, that is, the support sheets 4 are disposed in a central symmetrical distribution, the support sheets 4 are made of polyethylene terephthalate, the length of the support sheets 4 is 250mm-300mm, and the distance between the support sheets 4 is 40mm ± 2 mm.

In this embodiment, the support body 31 is configured to be a step shape, and includes a base 32 and a connector 33 that are coaxially connected, and the bottoms of the support sheets 4 are all attached to the outer side wall of the base 32 and fixed by an anchor ear 35, so that the support sheets 4 are arranged in a circle. The connecting body 33 is detachably connected to the support rod 2, for example, the connecting body 33 is connected to the support rod 2 by a screw.

In one embodiment, as shown in fig. 3 and 4, the supporting legs 12 are rotatably connected to the upright post 11, so that the supporting legs 12 can be folded when not in use, meanwhile, a plurality of limiting plates 13 for positioning the supporting legs 12 when in use are further fixed on the upright post 11, each supporting leg 12 is provided with at least one limiting plate 13, a limiting clamping groove is provided on each limiting plate 13, and correspondingly, a limiting post 14 adapted to the limiting clamping groove is provided on each supporting leg 12, so that the supporting legs 12 are fixed when in use. It can be understood that the supporting foot 12 is perpendicular to the upright post 11 in use, so the position of the limiting post 14 on the supporting foot 12 is configured that when the supporting foot 12 rotates to the position perpendicular to the upright post 11, the limiting post 14 just snaps into the limiting groove on the limiting plate 13, so that the position of the supporting foot 12 is fixed, so as to facilitate the use of the base 1.

In one embodiment, two limit plates 13 are provided for each supporting foot 12, and the two limit plates 13 are respectively disposed on two sides of the supporting foot 12, and the supporting foot 12 is rotatably connected to the limit plates 13 on two sides through a pin 15, so as to rotatably connect the supporting foot 12 to the upright post 11. In addition, the limiting plate 13 is further provided with a limiting slot for positioning the supporting leg 12 when the supporting leg 12 is in a furled state, and meanwhile, in order to facilitate furling of the supporting leg 12 when not in use, a spring (not shown in the figure) is connected between each supporting leg 12 and the column 11, and the spring stores elastic potential energy for driving the supporting leg 12 to furl. In order to improve the limiting effect on the supporting legs 12, the two limiting plates 13 corresponding to each supporting leg 12 are provided with the limiting clamping grooves.

In one embodiment, in order to facilitate training for users with different heights, the supporting rod 2 is a lockable telescopic rod, and the height of the tennis ball to be positioned can be changed by adjusting the length of the telescopic rod.

In one embodiment, as shown in fig. 2, the ball support further includes a spring 5 and a connecting seat 6, a lower end of the spring 5 is fixedly connected to the top of the supporting rod 2 by welding, etc., the connecting seat 6 is fixedly connected to an upper end of the spring 5 by welding, etc., the ball support 3 is detachably connected to the connecting seat 6, for example, an elastic buckle 34 is disposed on the connecting body 33, and a corresponding slot (not shown) is disposed on the connecting seat and is adapted to the elastic buckle 34.

When the tennis racket is used, the supporting legs 12 are opened to be limited in an angle perpendicular to the upright post 11, the supporting rods 2 are adjusted to be in proper positions and then locked, a tennis ball to be beaten is placed in a circle formed by the tops of the two supporting pieces 4, and the tennis ball is positioned, so that the hitting training can be carried out; after the tennis ball and the supporting sheet 4 are hit, the tennis ball flies out unhindered, the supporting sheet 4 deforms, and the spring 5 deforms under the stress, so that the original shape of the tennis ball can be recovered after the supporting sheet 4 and the spring 5 oscillate, tennis hitting training can be performed again, the hit tennis ball can enable a trainer to obtain a real hitting feeling, and the actual effect of the action used by the trainer can be visually seen by observing the flying track of the tennis ball.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. A fixed-point ball hitting device for tennis training is characterized in that: the tennis ball support is characterized by comprising a base, wherein a supporting rod is fixed on the top surface of the base, a ball support is fixed at the top of the supporting rod, the ball support comprises a support body and a plurality of supporting sheets, the lower portion of the support body is detachably connected to the top of the supporting rod, the supporting sheets are made of flexible materials and are provided with a plurality of supporting sheets, and the supporting sheets are uniformly distributed on the same circumference of the upper portion of the support body in the circumferential direction so that the tops of the supporting sheets are used for bearing tennis balls together.

2. The pointing device for tennis training according to claim 1, wherein: the base comprises an upright post and a plurality of supporting legs, the supporting legs are uniformly distributed in a radial shape by taking the upright post as a center, and the supporting legs are rotatably connected with the upright post so as to furl the supporting legs; the supporting legs are fixed on the stand columns, a plurality of limiting plates are further fixed on the stand columns, limiting clamping grooves are formed in the limiting plates, and limiting columns matched with the limiting clamping grooves are arranged on the supporting legs so that the supporting legs can be fixed when the supporting legs are used.

3. The pointing device as defined in claim 2, wherein: and a spring is connected between each supporting leg and the upright post so that the supporting legs are furled when not in use.

4. The pointing device as defined in claim 2, wherein: the lower end of the supporting rod is detachably connected with the top of the upright post.

5. The pointing device for tennis training according to claim 1, wherein: the bracing piece is the telescopic link that can lock.

6. The pointing device for tennis training according to claim 1, wherein: the support body comprises a base body and a connector which are coaxially connected, the support sheets are fixedly connected to the side wall of the base body through hoops, and the connector is detachably connected with the support rod.

7. The pointing device as defined in claim 6, wherein: still include spring and connecting seat, the lower extreme fixed connection of spring is in the top of bracing piece, connecting seat fixed connection be in the upper end of spring, the ball holds in the palm can dismantle the connection and be in on the connecting seat.

8. The pointing device as defined in claim 7, wherein: the connecting body is provided with an elastic buckle, and the connecting seat is provided with a clamping groove matched with the elastic buckle.