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Tennis training device

A training device, tennis technology, applied in the direction of racket, sports accessories, etc., can solve the problems of reduced application effect, weak fixing strength, wall falling off, etc., and achieves the effect of simple structure, strong protection and long service life.

Inactive Publication Date: 2018-12-11
乔卓
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this utility model has a simple structure and is easy to carry, when it is used, the entire tennis wall is fixed by a hook, and the fixing strength is very weak, which may easily cause the wall to fall off during use and reduce the application effect

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] see figure 1 - Figure 8 , a tennis training device, comprising a wall 1 and two support fixed columns 2, the left and right sides of the wall 1 are respectively connected to the inner surface of a support fixed column 2; the top of the wall 1 is provided with Roller shade device 14, the drive shaft of this roller shade device 14 is connected with the output end of drive motor 15, and the electric power input end of described drive motor 15 is electrically connected with power supply 16 through temperature controller 6, and drive motor 15, temperature The controller 6 and the power supply 16 are all arranged on the top of the roller blind device 14;

[0056] The temperature controller 6 includes a metal shell 61, an input power line 62, an output power line 63, an inclined slide plate 64, a heavy slider 65, a metal conductive groove 66, a metal conductive sheet 67, an insulating strip 68 and a wax block 69. The upper and lower ends of the inclined slide plate 64 are r...

Embodiment 2

[0059] Basic content is the same as embodiment 1, the difference is:

[0060] The inside of described supporting fixed column 2 offers hollow cavity 23, and the bottom of this hollow cavity 23 communicates with the closed opening 24 that supports fixed column 2 bottoms to offer, and the inside of this closed opening 24 is inlaid with closed plug 241, and the inside of closed plug 241 is connected with The No. 2 fixing bolt 8 is threaded, the bolt head 81 of the No. 2 fixing bolt 8 is flush with the bottom of the support fixing column 2, the bolt head 81 is connected with one end of the bolt column 82, and the other end of the bolt column 82 passes through in turn. The closed mouth 24 and the closed plug 241 extend to the inside of the hollow cavity 23; the positions on the front and rear sides of the hollow cavity 23 on the support and fixing column 2 are respectively the front column 25 and the rear column 26, and the front column 25 is provided with a front wall hole 251, an...

Embodiment 3

[0063] Basic content is the same as embodiment 2, the difference is:

[0064]The front rotating support shaft 3 is provided with the first two fixing holes 32 at the position between the first fixing hole 31 and the front rotating shaft 21, and the rear rotating supporting shaft 4 is located at the rear fixing hole 41 and the rear rotating shaft 22. There are two rear fixing holes 42 at the position between them; the front slanting column 5 and the rear slanting column 53 are placed in the hollow cavity 23; Bottom fixing holes 51, the top of the front slanting column 5 is provided with a front top fixing hole 52 corresponding to the front wall hole 251; the bottom of the rear slanting column 53 is provided with a rear bottom fixing hole corresponding to the rear two fixing holes 42 54. A rear top fixing hole 55 corresponding to the rear wall hole 261 is opened on the top of the rear slanting column 53 .

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Abstract

The invention relates to a tennis training device. The device comprises a wall and supporting fixing columns connected with the two sides of the wall, a rolling curtain device at the top of the wall is connected with a driving motor, and the driving motor is connected with a power supply through a temperature controller; the front and rear side faces of each supporting fixing column are hinged tothe bottoms of front and rear rotation supporting shafts respectively, each first fixing bolt penetrates through a front fixing hole, the front side face of the corresponding supporting fixing column,the rear side face of the corresponding supporting fixing column and a rear fixing hole in sequence and is in threaded connection with a first fixing nut, the temperature controller comprises a metalshell, an input power line, an output power line, a slope slide plate, a heavy slide block, a metal electric conduction groove, a metal electric conduction sheet, an insulation strip and a wax block,and the upper and lower ends of the slope slide plate are connected with the two opposite-angle ends in the metal shell respectively. The tennis training device is high in fixing strength and convenient to carry and install.

Description

technical field [0001] The invention relates to a tennis training facility, in particular to a tennis training device, which is particularly suitable for providing a tennis training device with strong fixing strength and portability. Background technique [0002] Tennis, together with golf, bowling, and billiards, is known as the world's four major gentleman's sports. Its unique charm has long been deeply rooted in the hearts of the people. It is a sport suitable for all ages, and it is more and more loved by our people. But at present, due to the limitation of the venue, the development of tennis is hindered, especially in colleges and universities or various sports centers, the limitation of the venue has become the biggest obstacle restricting the development of tennis. For this reason, tennis walls have appeared to alleviate the limitation of the venue. The tennis wall generally includes the wall and the supporting columns connected on both sides. When in use, the athlet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A63B69/38
CPCA63B69/38A63B69/0097A63B2102/02A63B2220/72A63B2225/30
Inventor 乔卓
Owner 乔卓
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