CN215084744U

CN215084744U - Tennis trainer is used in sports class

Info

Publication number: CN215084744U
Application number: CN202120680807.XU
Authority: CN
Inventors: 李伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-12-10
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses a tennis training device is used in sports class, which comprises a supporting bar, the top threaded connection of bracing piece has the connecting rod, the top fixedly connected with layer board of connecting rod, the spout has been seted up to the upper surface of layer board, the inner wall sliding connection of spout has the slider, the back threaded connection of slider has the threaded rod, the last fixed surface of slider is connected with the base, the upper surface of base inlays and is equipped with electric telescopic handle, electric telescopic handle's flexible end fixedly connected with location pivot, the surface of location pivot is rotated and is connected with the stopper, the surface sliding connection of stopper has the air pump, the side fixedly connected with damping pivot of air pump. This tennis trainer is used in physical education class through setting up base, electric telescopic handle, location pivot, stopper, air pump, damping pivot, drum, telescopic link, powerful spring and push pedal to reach this tennis trainer is used in physical education class and have the effect of angle of adjustment service.

Description

Tennis trainer is used in sports class

Technical Field

The utility model relates to a sport equipment technical field specifically is a tennis trainer is used in physical education class.

Background

Tennis is a type of ball game that is commonly played between two singlets or two pairs of players. The player strikes a tennis ball with a tennis racket on a tennis court with a net interposed therebetween.

The device for tennis training has a single function, can serve at the same angle continuously, is inconvenient to adjust the height, cannot well improve the tennis level, and is not good in targeted training effect and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tennis trainer is used in sports class to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tennis training device for physical education classes comprises a supporting rod, wherein the top end of the supporting rod is in threaded connection with a connecting rod, the top end of the connecting rod is fixedly connected with a supporting plate, the upper surface of the supporting plate is provided with a sliding groove, the inner wall of the sliding groove is in sliding connection with a sliding block, the back face of the sliding block is in threaded connection with a threaded rod, the upper surface of the sliding block is fixedly connected with a base, an electric telescopic rod is embedded on the upper surface of the base, the telescopic end of the electric telescopic rod is fixedly connected with a positioning rotating shaft, the surface of the positioning rotating shaft is rotatably connected with a limiting block, the surface of the limiting block is in sliding connection with an air pump, the side face of the air pump is fixedly connected with a damping rotating shaft, the air outlet end of the air pump is respectively and fixedly connected with a cylinder and a telescopic rod, the surface of the cylinder is provided with a ball inlet, the surface of the telescopic rod is sleeved with a strong spring, and the end face of the telescopic rod is fixedly connected with a push pedal, and the side of the push plate is lapped with a limit ring.

Preferably, the top end of the supporting rod is provided with a threaded hole matched with the bottom end of the connecting rod, and the top end of the supporting rod is in lap joint with the lower surface of the supporting plate.

Preferably, the front surface of the threaded rod penetrates through the back surfaces of the supporting plate and the sliding block and extends to the front surface of the supporting plate, and the back surface of the threaded rod is fixedly connected with a control handle.

Preferably, the lower surface of the base is connected with the upper surface of the supporting plate in a sliding manner, and the side surface of the damping rotating shaft is connected with the side surface of the base.

Preferably, the telescopic rod and the push plate are both located inside the cylinder, and two ends of the strong spring are respectively and fixedly connected with opposite surfaces of the air pump and the push plate.

Preferably, the inner wall of the cylinder is fixedly connected with the surface of the limiting ring, and the telescopic end of the telescopic rod penetrates through the limiting ring.

Advantageous effects

The utility model provides a tennis trainer is used in sports class possesses following beneficial effect:

1. this tennis trainer for physical education class, through setting up the base, electric telescopic handle, the location pivot, the stopper, the air pump, the damping pivot, the drum, the telescopic link, powerful spring and push pedal, be convenient for when adjustment tennis training apparatus angle, start electric telescopic handle, make its stopper top move the air pump, make the air pump drive the drum and remove, the service angle of adjustment drum, start the air pump, make it aerify in the twinkling of an eye and push pedal, the inside tennis of push pedal promotion drum, make the tennis launch, thereby reach this tennis trainer for physical education class has the effect of angle of adjustment service and the effect that improves the tennis training.

2. This tennis trainer is used in physical education class through setting up bracing piece, connecting rod, layer board, spout, slider and threaded rod, when needs adjustment shift position, rotates the threaded rod, makes it transfer slider longitudinal movement, and the slider drives base longitudinal movement, when needs fine setting height, rotates the layer board, makes the layer board pass through the connecting rod and rotates, improves the height of training apparatus to reach this tennis trainer is used in physical education class and have the effect of convenient to use.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

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

In the figure: the device comprises a supporting rod 1, a connecting rod 2, a supporting plate 3, a sliding chute 4, a sliding block 5, a threaded rod 6, a base 7, an electric telescopic rod 8, a positioning rotating shaft 9, a limiting block 10, an air pump 11, a damping rotating shaft 12, a cylinder 13, a telescopic rod 14, a strong spring 15 and a push plate 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a tennis trainer is used in physical education, including bracing piece 1, the top threaded connection of bracing piece 1 has connecting rod 2, the top fixedly connected with layer board 3 of connecting rod 2, the screw hole with 2 bottom looks adaptations of connecting rod is seted up on the top of bracing piece 1, and the top of bracing piece 1 and the lower surface overlap joint of layer board 3, spout 4 has been seted up to the upper surface of layer board 3, the inner wall sliding connection of spout 4 has slider 5, slider 5's back threaded connection has threaded rod 6, the front of threaded rod 6 runs through the back of layer board 3 and slider 5 and extends to the front of layer board 3, and the back fixedly connected with control handle of threaded rod 6, the last fixed surface of slider 5 is connected with base 7.

Through setting up bracing piece 1, connecting rod 2, layer board 3, spout 4, slider 5 and threaded rod 6, when needs adjustment shift position, rotate threaded rod 6, make its transfer 5 longitudinal movement of slider, slider 5 drives 7 longitudinal movement of base, when needs fine setting height, rotate layer board 3, make layer board 3 rotate through connecting rod 2, improve the height of training apparatus to it has convenient to use's effect to reach this tennis trainer for physical education.

The upper surface of base 7 inlays and is equipped with electric telescopic handle 8, electric telescopic handle 8's flexible end fixedly connected with location pivot 9, and the surface rotation of location pivot 9 is connected with stopper 10, and the sliding surface of stopper 10 is connected with air pump 11, and the side fixedly connected with damping pivot 12 of air pump 11, the lower surface of base 7 and the upper surface sliding connection of layer board 3, and the side of damping pivot 12 is connected with the side of base 7.

Air pump 11's the end of giving vent to anger is fixedly connected with drum 13 and telescopic link 14 respectively, and the goal hole has been seted up on drum 13's surface, drum 13's inner wall and the fixed surface of spacing ring are connected, and telescopic link 14's flexible end passes the spacing ring, powerful spring 15 has been cup jointed on telescopic link 14's surface, telescopic link 14's terminal surface fixedly connected with push pedal 16, and push pedal 16's side overlap joint has the spacing ring, telescopic link 14 and push pedal 16 all are located drum 13's inside, and powerful spring 15's both ends respectively with air pump 11 and push pedal 16's opposite face fixed connection.

By arranging the base 7, the electric telescopic rod 8, the positioning rotating shaft 9, the limiting block 10, the air pump 11, the damping rotating shaft 12, the cylinder 13, the telescopic rod 14, the strong spring 15 and the push plate 16, when the angle of the tennis training instrument is adjusted, the electric telescopic rod 8 is started, the limiting block 10 pushes the air pump 11, the air pump 11 drives the cylinder 13 to move, the service angle of the cylinder 13 is adjusted, the air pump 11 is started, the air pump 11 is instantly inflated to push the push plate 16, and the push plate 16 pushes the tennis balls in the cylinder 13, so that the tennis balls are emitted, and the effect that the tennis training device for physical education has the service with the adjusted angle is achieved.

The working principle is as follows: when the tennis training device for the physical education class is used, the electric telescopic rod 8 is started to push the air pump 11 through the limiting block 10, the air pump 11 drives the cylinder 13 to move, the ball serving angle of the cylinder 13 is adjusted, the air pump 11 is started to be instantly inflated to push the push plate 16, the push plate 16 pushes the tennis inside the cylinder 13, and the tennis is launched out, so that the effect that the tennis training device for the physical education class has the effect of adjusting the angle serving is achieved.

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

Claims

1. The utility model provides a tennis trainer is used in physical education, includes bracing piece (1), its characterized in that: the top end of the supporting rod (1) is in threaded connection with a connecting rod (2), the top end of the connecting rod (2) is fixedly connected with a supporting plate (3), the upper surface of the supporting plate (3) is provided with a sliding groove (4), the inner wall of the sliding groove (4) is in sliding connection with a sliding block (5), the back face of the sliding block (5) is in threaded connection with a threaded rod (6), the upper surface of the sliding block (5) is fixedly connected with a base (7), an electric telescopic rod (8) is embedded on the upper surface of the base (7), the telescopic end of the electric telescopic rod (8) is fixedly connected with a positioning rotating shaft (9), the surface of the positioning rotating shaft (9) is rotatably connected with a limiting block (10), the surface of the limiting block (10) is in sliding connection with an air pump (11), the side face of the air pump (11) is fixedly connected with a damping rotating shaft (12), and the air outlet end of the air pump (11) is respectively and fixedly connected with a cylinder (13) and a telescopic rod (14), and the surface of the cylinder (13) is provided with a ball inlet hole, the surface of the telescopic rod (14) is sleeved with a strong spring (15), the end surface of the telescopic rod (14) is fixedly connected with a push plate (16), and the side surface of the push plate (16) is lapped with a limiting ring.

2. A tennis training device for physical education as claimed in claim 1, wherein: the top end of the support rod (1) is provided with a threaded hole matched with the bottom end of the connecting rod (2), and the top end of the support rod (1) is in lap joint with the lower surface of the supporting plate (3).

3. A tennis training device for physical education as claimed in claim 1, wherein: the front surface of the threaded rod (6) penetrates through the back surfaces of the supporting plate (3) and the sliding block (5) and extends to the front surface of the supporting plate (3), and the back surface of the threaded rod (6) is fixedly connected with a control handle.

4. A tennis training device for physical education as claimed in claim 1, wherein: the lower surface of the base (7) is connected with the upper surface of the supporting plate (3) in a sliding mode, and the side face of the damping rotating shaft (12) is connected with the side face of the base (7).

5. A tennis training device for physical education as claimed in claim 1, wherein: the telescopic rod (14) and the push plate (16) are both positioned in the cylinder (13), and two ends of the strong spring (15) are respectively and fixedly connected with the opposite surfaces of the air pump (11) and the push plate (16).

6. A tennis training device for physical education as claimed in claim 1, wherein: the inner wall of the cylinder (13) is fixedly connected with the surface of the limiting ring, and the telescopic end of the telescopic rod (14) penetrates through the limiting ring.