CN220355065U

CN220355065U - Tennis training device

Info

Publication number: CN220355065U
Application number: CN202321165279.XU
Authority: CN
Inventors: 吉云波; 张书民; 郭旭刚
Original assignee: Weiying Event Operation Co ltd
Current assignee: Weiying Event Operation Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2024-01-16
Anticipated expiration: 2033-05-15

Abstract

The utility model relates to a tennis training device which comprises a base, universal wheels, auxiliary rods, supporting rods, moving rods, limiting rods, a buffer mechanism and a training frame. Through the buffer gear who sets up, when the training frame received the striking of tennis, the training frame drove limiter and backup pad inside slip in the assembly body, and extrude the attenuator backward, make the first spring of attenuator right-hand member extrusion, attenuator and first spring play resistance effect, and under the elastic action of first spring, drive the attenuator and restore to the original position, and then make the training frame resume the normal position, thereby play the cushioning effect to the training frame, avoid the training frame to receive whole impact force and damage, through rotatory connecting rod, make connecting rod and screw thread plate screw thread rotate, when the restriction piece slides to the vertical part of spacing groove, the connecting rod just unscrews the screw thread plate, and under the elastic action of second spring, promote the connecting rod upward movement, and then dismantle connecting rod and training frame, be convenient for change the training frame.

Description

Tennis training device

Technical Field

The utility model relates to the technical field of tennis, in particular to a tennis training device.

Background

Tennis is one of ball sports, and effective tennis sport field is a rectangle, and the centre has the net, and the match both sides each account for the party in court, and the player hits with the tennis racket, in the in-process of going on tennis study, need to apply to tennis training ware.

In the actual use process of the tennis trainer, the condition that tennis does not enter the target frame and impacts the target frame easily occurs, so that the target frame is deformed by impact force, the target frame is damaged, and the common target frame and the supporting seat are fixed and integrated, so that the target frame can only be replaced integrally after being damaged, and the repeated use of resources is not facilitated.

Disclosure of Invention

(one) solving the technical problems

In order to solve the technical problems, the utility model provides a tennis training device.

(II) technical scheme

Based on the above, the utility model provides the following technical scheme: the utility model provides a tennis training ware, includes base, universal wheel, auxiliary rod, bracing piece, movable rod, restriction pole, buffer gear, training frame, the bottom of base is provided with the universal wheel, the bottom and the base of auxiliary rod are fixed mutually, the bottom and the base of bracing piece are fixed mutually, the bottom and the bracing piece sliding connection of movable rod, the outside and the bracing piece threaded connection of restriction pole, buffer gear's bottom and movable rod are fixed mutually, and its top is fixed mutually with the training frame, buffer gear includes assembly, limiter, connecting rod, restriction piece, backup pad, mounting panel, attenuator, first spring, the bottom and the movable rod of assembly are fixed mutually, the bottom and the assembly of limiter are connected, the top and the training frame of connecting rod are fixed mutually, and its bottom and limiter buckle are connected, the right-hand member of connecting rod is provided with the limit piece, the right-hand member and the limiter are fixed mutually, and its bottom and assembly sliding connection, the right-hand member and the backup pad are fixed mutually, the left end is fixed with the attenuator, the left end is fixed with the assembly, the left end is fixed mutually with the first spring of the front and back end and the two front and back ends respectively.

Preferably, the limiter comprises a fixed plate, an inner frame, a limit groove, a moving plate, a thread plate and a second spring, wherein the bottom end of the fixed plate is connected with the assembly body, the left end of the fixed plate is fixed with the support plate, the inner frame is arranged in the fixed plate, the right end of the inner frame is provided with the limit groove, the limit groove is connected with the limit block, the bottom end of the moving plate is elastically connected with the inner frame by the second spring, the bottom end of the second spring is fixed with the inner frame, the bottom end of the thread plate is fixed with the moving plate, and the outer side of the thread plate is in threaded connection with the connecting rod.

Preferably, the cross section of the supporting plate is triangular, so that stable supporting is facilitated.

Preferably, the bottom of connecting rod is provided with circular recess, and the inner wall of recess is provided with the screw thread, is convenient for carry out threaded connection with the screw thread board.

Preferably, a sliding groove is arranged on the inner side of the bottom end of the assembly body and is in sliding connection with the supporting plate.

Preferably, the limiting groove is L-shaped, and the right end of the limiting groove gradually inclines downwards.

Preferably, the thread plate has a cylindrical shape.

Preferably, the thread plate is made of stainless steel and has high strength.

Preferably, the first spring is made of spring steel, and has high elastic strength.

(III) beneficial effects

Compared with the prior art, the utility model provides a tennis training device, which has the following beneficial effects:

1. this tennis training ware, when the impact of tennis is received to the training frame through the buffer gear who sets up, the training frame drives limiter and backup pad inside slip in the assembly body to extrude the attenuator backward, make the first spring of attenuator right-hand member extrusion, attenuator and first spring play resistance effect, and under the elastic action of first spring, drive the attenuator and reset, and then make the training frame resume normal position, with this cushioning effect to the training frame, avoid the training frame to receive whole impact and damage.

2. This tennis training ware for through setting up detachable connecting rod and limiter for realize dismantling the purpose with the fixed training frame of connecting rod, improve the reuse of resource, through rotatory connecting rod, make connecting rod and screw thread board screw thread rotatory, and limit the piece in the inside slip of spacing groove when rotatory, when the vertical part of spacing groove is slided to the restriction piece, the connecting rod just unscrews screw thread board, and under the elastic action of second spring, promote the restriction piece on connecting rod surface along the vertical part upward movement of spacing groove, and then dismantle connecting rod and training frame, be convenient for change training frame.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic perspective view of a buffer mechanism according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a buffer mechanism according to the present utility model;

FIG. 4 is a schematic diagram showing the detailed structure of the buffer mechanism of the present utility model;

FIG. 5 is a schematic cross-sectional view of a limiter according to the present utility model;

FIG. 6 is a schematic cross-sectional view of a limiter according to the present utility model.

In the figure: the device comprises a base-1, universal wheels-2, auxiliary rods-3, supporting rods-4, moving rods-5, limiting rods-6, a buffer mechanism-7, a training frame-8, an assembly body-71, a limiter-72, a connecting rod-73, a limiting block-74, a supporting plate-75, a mounting plate-76, a damper-77, a first spring-78, a fixed plate-721, an inner frame-722, a limiting groove-723, a moving plate-724, a threaded plate-725 and a second spring-726.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a tennis training device comprises a base 1, universal wheels 2, an auxiliary rod 3, a supporting rod 4, a moving rod 5, a limiting rod 6 and a training frame 8, wherein the universal wheels 2 are arranged at the bottom end of the base 1, the bottom end of the auxiliary rod 3 is fixed with the base 1, the bottom end of the supporting rod 4 is fixed with the base 1, the bottom end of the moving rod 5 is in sliding connection with the supporting rod 4, and the outer side of the limiting rod 6 is in threaded connection with the supporting rod 4.

Referring to fig. 2-4, a tennis training device includes a buffer mechanism 7, the bottom of the buffer mechanism 7 is fixed with a moving rod 5, and the top is fixed with a training frame 8, the buffer mechanism 7 includes an assembly 71, a limiter 72, a connecting rod 73, a limiting block 74, a supporting plate 75, a mounting plate 76, a damper 77, and a first spring 78, the bottom of the assembly 71 is fixed with the moving rod 5, the bottom of the limiter 72 is connected with the assembly 71, the top of the connecting rod 73 is fixed with the training frame 8, and the bottom is in snap connection with the limiter 72, the right end of the connecting rod 73 is provided with the limiting block 74, the right end of the supporting plate 75 is fixed with the limiter 72, and the bottom is in sliding connection with the assembly 71, the right end of the mounting plate 76 is fixed with the supporting plate 75, the left end of the mounting plate 76 is fixed with the damper 77, the left end of the damper 77 is fixed with the assembly 71, the outer sides of the front and rear ends of the damper 77 are respectively fixed with the first spring 78, the cross section of the supporting plate 75 is in a triangle shape, the bottom of the connecting rod 73 is convenient to stably support, the bottom of the connecting rod 73 is provided with a circular groove, and the inner wall of the groove is provided with a thread for the inner wall of the groove, the groove is convenient to be connected with the first spring 78, and the inner side is provided with a thread, and the first thread is connected with the spring is provided with the inner side, and has a thread nut is formed by a thread, and has a thread is connected with the spring.

Referring to fig. 5-6, a tennis training device, the limiter 72 comprises a fixing plate 721, an inner frame 722, a limiting groove 723, a moving plate 724, a threaded plate 725 and a second spring 726, wherein the bottom end of the fixing plate 721 is connected with an assembly 71, the left end of the fixing plate is fixed with a supporting plate 75, the inner frame 722 is installed inside the fixing plate 721, the right end of the inner frame 722 is provided with the limiting groove 723, the limiting groove 723 is connected with a limiting block 74, the bottom end of the moving plate 724 is elastically connected with the inner frame 722 by adopting the second spring 726, the bottom end of the second spring 726 is fixed with the inner frame 722, the bottom end of the threaded plate 725 is fixed with the moving plate 724, the outer side of the threaded plate 725 is in threaded connection with a connecting rod 73, the limiting groove 723 is in an L shape, the right end of the limiting groove 723 is gradually inclined downwards, the threaded plate 725 is in a cylinder shape, and the threaded plate 725 is made of stainless steel and has high strength.

In summary, when in use, the auxiliary rod 3 is pulled to drive the base 1 to move to a movement area under the support of the universal wheel 2, and then the limiting rod 6 is rotated according to the required height, so that the limiting rod 6 leaves the surface of the moving rod 5, the moving rod 5 is moved to move up and down in the supporting rod 4, after the extending height of the moving rod 5 is adjusted, the limiting rod 6 is rotated to prop against the moving rod 5, and the height is further fixed;

then, the tennis ball is aligned to the training frame 8 for shooting, when the training frame 8 is impacted by the tennis ball, the training frame 8 drives the limiter 72 and the supporting plate 75 to slide in the assembly 71 and backwards extrudes the damper 77, so that the right end of the damper 77 extrudes the first spring 78, the damper 77 and the first spring 78 exert resistance, and under the elastic action of the first spring 78, the damper 77 is driven to reset, so that the training frame 8 is restored to the original position, and therefore, the effects of buffering and damping the training frame 8 are achieved, and the training frame 8 is prevented from being damaged by all impact forces;

when the training frame 8 needs to be replaced, the training frame 8 is rotated, and then the connecting rod 73 is driven to rotate, so that the connecting rod 73 and the threaded plate 725 are in threaded rotation, the limiting block 74 slides in the limiting groove 723 while rotating, when the limiting block 74 slides to the vertical part of the limiting groove 723, the connecting rod 73 just rotates out of the threaded plate 725, and under the elastic action of the second spring 726, the limiting block 74 pushing the surface of the connecting rod 73 moves upwards along the vertical part of the limiting groove 723, and then the connecting rod 73 and the training frame 8 are detached, so that the training frame 8 is convenient to replace.

The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting a mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tennis training device, includes base (1), universal wheel (2), auxiliary rod (3), bracing piece (4), movable rod (5), restriction pole (6), training frame (8), the bottom of base (1) is provided with universal wheel (2), the bottom of auxiliary rod (3) is fixed with base (1), the bottom of bracing piece (4) is fixed with base (1), the bottom of movable rod (5) and bracing piece (4) sliding connection, the outside and bracing piece (4) threaded connection of restriction pole (6);

the method is characterized in that: the device comprises a training frame (8), and is characterized by further comprising a buffer mechanism (7), wherein the bottom end of the buffer mechanism (7) is fixed with the moving rod (5), the top end of the buffer mechanism is fixed with the training frame (8), the buffer mechanism (7) comprises an assembly body (71), a limiter (72), a connecting rod (73), a limiting block (74), a supporting plate (75), a mounting plate (76), a damper (77) and a first spring (78), the bottom end of the assembly body (71) is fixed with the moving rod (5), the bottom end of the limiter (72) is connected with the assembly body (71), the top end of the connecting rod (73) is fixed with the training frame (8), the bottom end of the connecting rod is connected with the limiter (72) in a buckling mode, the right end of the connecting rod (73) is provided with a limiting block (74), the bottom end of the connecting rod is fixed with the limiter (72) in a sliding mode, the right end of the mounting plate (76) is fixed with the supporting plate (75), the left end of the mounting plate (76) is fixed with the damper (77), and the left end of the damper (77) is fixed with the first spring (77) respectively.

2. A tennis trainer according to claim 1, wherein: limiter (72) are including fixed plate (721), inside casing (722), spacing groove (723), movable plate (724), screw thread board (725), second spring (726), the bottom of fixed plate (721) is connected with assembly (71), and its left end is fixed with backup pad (75), inside casing (722) are installed in the inside of fixed plate (721), the right-hand member of inside casing (722) is provided with spacing groove (723), spacing groove (723) are connected with restriction piece (74), the bottom of movable plate (724) adopts second spring (726) and inside casing (722) elastic connection, the bottom of second spring (726) is fixed with inside casing (722), the bottom of screw thread board (725) is fixed with movable plate (724), the outside and the connecting rod (73) threaded connection of screw thread board (725).

3. A tennis trainer according to claim 1, wherein: the cross section of the supporting plate (75) is triangular.

4. A tennis trainer according to claim 1, wherein: the bottom of connecting rod (73) is provided with circular recess, and the inner wall of recess is provided with the screw thread.

5. A tennis trainer according to claim 1, wherein: the inner side of the bottom end of the assembly body (71) is provided with a chute which is in sliding connection with the supporting plate (75).

6. A tennis trainer according to claim 2, wherein: the limiting groove (723) is L-shaped, and the right end of the limiting groove is gradually inclined downwards.

7. A tennis trainer according to claim 2, wherein: the thread plate (725) is cylindrical.