CN215781373U

CN215781373U - Middle school student uses tennis trainer in sports classroom

Info

Publication number: CN215781373U
Application number: CN202122304911.1U
Authority: CN
Inventors: 盛利
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-11
Anticipated expiration: 2031-09-23

Abstract

The utility model belongs to the technical field of tennis training devices, and particularly relates to a middle school student tennis training device for a physical education classroom, which comprises a blocking net and two supporting components, wherein each supporting component comprises a base, a square sleeve is fixed at the top of each base, a square rod is connected in each square sleeve in a sliding mode, two first clamping holes are formed in two side walls of the upper end of each square rod, two second clamping holes are formed in two side walls of the lower end of each square rod, an L-shaped plate is fixed on each two side walls of each square sleeve, a spring is fixed on each side wall of each L-shaped plate, and a trapezoidal block is fixed at one end of each spring. According to the utility model, the square sleeve, the L-shaped plate, the spring, the trapezoidal block, the L-shaped clamping plate, the sleeve plate and the wedge block are arranged, so that the square rod can be conveniently and quickly extended out or retracted and fixed, the overall height of the supporting component can be conveniently and quickly adjusted, the transportation is convenient, and the practicability is high.

Description

Middle school student uses tennis trainer in sports classroom

Technical Field

The utility model relates to the technical field of tennis training devices, in particular to a tennis training device for a middle school student in a physical classroom.

Background

Along with the development of society, education is also more perfect now, advocates the development of moral intelligence beauty now, so has all seted up the tennis class in the sports class of many middle school schools now, when carrying out tennis training, just need use the net, the both ends of net are propped the net through support piece, present net support piece highly all fixed usually, so when needs transportation, just more troublesome, therefore we have proposed a middle school student sports classroom and have used tennis trainer to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a tennis training device for a middle school student in a sports classroom, which solves the problems in the background art.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

a middle school student tennis training device for a sports classroom comprises a blocking net and two supporting components, wherein each supporting component comprises a base, a square sleeve is fixed to the top of each base, a square rod is connected in the square sleeve in a sliding mode, two first clamping holes are formed in two side walls of the upper end of the square rod, two second clamping holes are formed in two side walls of the lower end of the square rod, an L-shaped plate is fixed to each side wall of the square sleeve, a spring is fixed to each side wall of the L-shaped plate, a trapezoidal block is fixed to one end of each spring and is connected to the top of the L-shaped plate in a sliding mode, L-shaped clamping plates matched with the first clamping holes and the second clamping holes are fixed to the top of the trapezoidal block, a sleeve plate is sleeved on the surface of the square sleeve in a sliding mode, wedge blocks are fixed to the bottoms of two ends of the sleeve plate, the bottom surface of each wedge block is attached to an inclined surface of the trapezoidal block, the square sleeve pipe's a lateral wall all is fixed with first connecting block, a lateral wall of square pole all is fixed with the second connecting block, the four corners of block net all is fixed with L type inserted block, the jack of adaptation in L type inserted block is all seted up to the one end of first connecting block and second connecting block.

Further, the bottom both sides wall of square pole all is fixed with the slider, the spout of adaptation in slider is all seted up to square sheathed tube both sides inner wall.

Further, the bottom of the trapezoidal block is fixed with a T-shaped limiting block, and the top of the L-shaped plate is provided with a T-shaped limiting groove adaptive to the T-shaped limiting block.

Further, a pressing plate is fixed on the surface of the sleeve plate.

Furthermore, a stop block is fixed on the surface of the square sleeve.

Further, the base is in the shape of a box without a cover.

(III) advantageous effects

Compared with the prior art, the utility model provides a tennis training device for middle school students' sports classroom, which has the following beneficial effects:

according to the utility model, the square sleeve, the L-shaped plate, the spring, the trapezoidal block, the L-shaped clamping plate, the sleeve plate and the wedge block are arranged, so that the square rod can be conveniently and quickly extended out or retracted and fixed, the overall height of the supporting component can be conveniently and quickly adjusted, the transportation is convenient, and the practicability is high.

Drawings

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

FIG. 2 is a perspective view of the support assembly of the present invention;

FIG. 3 is a schematic cross-sectional view of the square casing of the present invention.

In the figure: 1. blocking; 2. a support assembly; 201. a base; 202. a square sleeve; 203. a square rod; 204. a first card hole; 205. a second card hole; 206. an L-shaped plate; 207. a spring; 208. a trapezoidal block; 209. an L-shaped clamping plate; 210. sheathing; 211. a wedge block; 212. a first connection block; 213. a second connecting block; 214. a slider; 215. a chute; 216. a T-shaped limiting block; 217. a T-shaped limiting groove; 218. pressing a plate; 219. a stopper; 3. and an L-shaped insert block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, 2 and 3, an example of the tennis training device for middle school students' sports classroom according to the present invention includes a blocking net 1 and two supporting components 2, the supporting components 2 include a base 201, a square sleeve 202 is fixed on the top of the base 201, a square rod 203 is slidably connected in the square sleeve 202, two first fastening holes 204 are formed on two side walls of the upper end of the square rod 203, two second fastening holes 205 are formed on two side walls of the lower end of the square rod 203, an L-shaped plate 206 is fixed on both side walls of the square sleeve 202, a spring 207 is fixed on one side wall of the L-shaped plate 206, a trapezoidal block 208 is fixed on one end of the spring 207, the trapezoidal block 208 is slidably connected on the top of the L-shaped plate 206, an L-shaped fastening plate 209 adapted to the first fastening holes 204 and the second fastening holes 205 is fixed on the top of the trapezoidal block 208, a sleeve plate 210 is slidably sleeved on the surface of the square sleeve 202, a wedge block 211 is fixed on the bottom of both ends of the sleeve plate 210, the bottom surface of the wedge-shaped block 211 is attached to the inclined surface of the trapezoid-shaped block 208, a first connecting block 212 is fixed on one side wall of the square sleeve 202, a second connecting block 213 is fixed on one side wall of the square rod 203, L-shaped inserting blocks 3 are fixed on four corners of the blocking net 1, and inserting holes adaptive to the L-shaped inserting blocks 3 are formed in one ends of the first connecting block 212 and one end of the second connecting block 213; to sum up, when transportation is required, the sleeve plate 210 can be moved downward, the sleeve plate 210 can drive the wedge block 211 to move downward, the wedge block 211 can press the trapezoidal block 208 to move outward when moving downward, at this time, the spring 207 can be compressed, the trapezoidal block 208 can drive the L-shaped clamping plate 209 to be separated from the corresponding second clamping hole 205, so that the square rod 203 can be retracted into the square sleeve 202, when the bottom end of the square rod 203 is attached to the inner wall of the bottom of the square sleeve 202, the L-shaped clamping plate 209 is just aligned with the corresponding first clamping hole 204, then the sleeve plate 210 is released, under the action of the spring 207, the trapezoidal block 208 can move inward, so that one end of the L-shaped clamping plate 209 can be driven to be inserted into the corresponding first clamping hole 204, so that the square rod 203 can be fixed, and then the L-shaped insert block 3 can be pulled out from the insertion holes of the first connecting block 212 and the second connecting block 213, the barrier net 1 can be rolled up, so that the transportation is convenient.

As shown in fig. 3, in this embodiment, both side walls of the bottom end of the square rod 203 are fixed with sliders 214, both inner walls of both sides of the square sleeve 202 are provided with sliding grooves 215 adapted to the sliders 214, and when the sliders 214 slide to the top ends of the sliding grooves 215, the L-shaped clamping plate 209 is aligned with the second clamping hole 205, so that the L-shaped clamping plate 209 is conveniently inserted into the second clamping hole 205.

As shown in fig. 3, in this embodiment, a T-shaped limiting block 216 is fixed at the bottom of the trapezoid block 208, and a T-shaped limiting groove 217 adapted to the T-shaped limiting block 216 is formed at the top of the L-shaped plate 206, so that the trapezoid block 208 can stably slide on the L-shaped plate 206 without being separated.

As shown in fig. 2, in the present embodiment, a pressing plate 218 is fixed to a surface of the sleeve plate 210 for facilitating pressing by a user, so that the sleeve plate 210 can be moved downward.

As shown in fig. 2, in the present embodiment, a stopper 219 is fixed on the surface of the square sleeve 202, and can play a role of blocking, so as to prevent the sleeve plate 210 from being separated from the top end of the square sleeve 202.

As shown in fig. 1, in the present embodiment, the base 201 is in the shape of a box without a cover, so that a heavy object, such as a stone brick, can be placed in the base 201, thereby improving stability.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a middle school student is tennis trainer for sports classroom, includes block (1) and two supporting component (2), its characterized in that: the supporting component (2) comprises a base (201), a square sleeve (202) is fixed at the top of the base (201), a square rod (203) is connected in the square sleeve (202) in a sliding mode, two first clamping holes (204) are formed in two side walls of the upper end of the square rod (203), two second clamping holes (205) are formed in two side walls of the lower end of the square rod (203), L-shaped plates (206) are fixed on two side walls of the square sleeve (202), springs (207) are fixed on one side wall of each L-shaped plate (206), a trapezoidal block (208) is fixed at one end of each spring (207), the trapezoidal block (208) is connected to the top of each L-shaped plate (206) in a sliding mode, L-shaped clamping plates (209) which are matched with the first clamping holes (204) and the second clamping holes (205) are fixed at the tops of the trapezoidal blocks (208), and sleeve plates (210) are sleeved on the surface of the square sleeve (202) in a sliding mode, the utility model discloses a check net, including lagging (210), both ends bottom all is fixed with wedge (211), the inclined plane laminating of the bottom surface of wedge (211) and trapezoidal piece (208), a lateral wall of square sleeve pipe (202) all is fixed with first connecting block (212), a lateral wall of square pole (203) all is fixed with second connecting block (213), the four corners of check net (1) all is fixed with L type inserted block (3), the jack of adaptation in L type inserted block (3) is all seted up to the one end of first connecting block (212) and second connecting block (213).

2. The middle school student's sports classroom tennis training device of claim 1, wherein: the bottom both sides wall of square pole (203) all is fixed with slider (214), spout (215) that the adaptation is in slider (214) are all seted up to the both sides inner wall of square sleeve pipe (202).

3. The middle school student's sports classroom tennis training device of claim 1, wherein: a T-shaped limiting block (216) is fixed at the bottom of the trapezoid block (208), and a T-shaped limiting groove (217) matched with the T-shaped limiting block (216) is formed in the top of the L-shaped plate (206).

4. The middle school student's sports classroom tennis training device of claim 1, wherein: a pressure plate (218) is fixed on the surface of the sleeve plate (210).

5. The middle school student's sports classroom tennis training device of claim 1, wherein: a stop block (219) is fixed on the surface of the square sleeve (202).

6. The middle school student's sports classroom tennis training device of claim 1, wherein: the base (201) is in a box body shape without a cover.