CN214913225U

CN214913225U - Tennis training device for training tennis player reaction

Info

Publication number: CN214913225U
Application number: CN202121211133.5U
Authority: CN
Inventors: 王大利
Original assignee: Suqian College
Current assignee: Suqian College
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-11-30
Anticipated expiration: 2031-06-01

Abstract

The utility model relates to a sport equipment technical field, especially a tennis trainer of training tennis sportsman's reaction, including the transportation platform, the top of transportation platform is provided with the carousel, the top of carousel is rotated and is connected with the launching tube, one side sliding connection in the launching tube has and promotes the piece, the inside bottom fixedly connected with dog of launching tube, the dog and promote the joint between the piece and have the spring. The utility model has the advantages that: through promoting one side fixedly connected with protruding piece that the piece is close to the dog top surface, motor power's output and a sprocket fixed connection, and then motor power circular telegram operation, and then drive two sprockets, chain and two block rotations of dialling, dial the piece and promote protruding piece compression spring, keep away from protruding piece when dialling the piece, the spring top pushes away the piece, arouses and places the tennis at the inside of launching tube to be convenient for replace the manual work to serve the ball action, be convenient for assist the sportsman and train.

Description

Tennis training device for training tennis player reaction

Technical Field

The utility model relates to the technical field of sports equipment, especially a tennis trainer of training tennis sportsman's reaction.

Background

Tennis is a beautiful and fierce sports called world dynamic big ball sports, more and more people become tennis players due to the interest in tennis, and tennis players need more training to improve the game skill than common tennis lovers, and the current training modes of tennis players mainly include two types: one is to train the ball-serving skill and technique, and the other is to improve the ball skill by the double-side play; wherein, the training of the two parties can only be carried out by depending on the training among athletes and between the athletes and the coach, and the training problems of the athletes are solved while the following defects are also existed:

both sides are to when playing the training, and personnel's use amount is great, and delays easily and play sportsman's training time, and simultaneously to when playing the training, both sides sportsman physical stamina is different, and the frequency that appears the midcourt rest is different to cause certain influence to sportsman's training.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a tennis training device for training the reaction of tennis players.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a training tennis sportsman's reaction tennis trainer, includes the transportation platform, the top of transportation platform is provided with the carousel, the top of carousel is rotated and is connected with the launching tube, one side sliding connection inside the launching tube has the promotion piece, the inside bottom fixedly connected with dog of launching tube, the joint has the spring between dog and the promotion piece, promote the piece and be close to the protruding piece of one side fixedly connected with of dog top surface, the middle part of launching tube outer wall is rotated and is connected with two sprockets, two the outer wall meshing of sprocket has the chain, two stirring blocks of outer wall fixedly connected with of chain, the outer wall fixedly connected with power motor of launching tube, power motor's output and a sprocket fixed connection.

Optionally, the middle part of the bottom surface of the transportation platform is fixedly connected with a rotating motor, the output end of the rotating motor completely penetrates through the transportation platform, the output end of the rotating motor is fixedly connected with the turntable, and the rotating motor can be convenient for driving the turntable to rotate, so that the launching tube can be conveniently driven to launch tennis balls in different directions.

Optionally, leave the clearance between the bottom surface of carousel and the top surface of transportation platform, one side of carousel top surface is rotated and is connected with electric putter, electric putter's output is rotated with the middle part of launching tube outer wall and is connected, can be convenient for through electric putter's extension or shorten the motion, realize adjusting the launch angle of launching tube, be convenient for satisfy different sportsman's training demand.

Optionally, the launching tube is T-shaped, the launching tube is rotatably connected with the turntable through a pin, and an oblique angle is arranged at the top end of the launching tube, so that a player can conveniently place a tennis ball inside the launching tube, and the launching tube can conveniently launch a plurality of tennis balls.

Optionally, a limiting groove is formed in the top surface, close to the outer wall of the chain, of the launching tube, the protruding block is connected with the limiting groove in a sliding mode, the middle of the top surface of the pushing block is rotatably connected with a plurality of rollers, the top surfaces of the plurality of rollers are tangent to the top surface of the pushing block, a clamping block is fixedly connected to the side face, close to the spring, of the pushing block, two ends of the spring are respectively clamped with the clamping block and the clamping block, after one tennis ball is launched, the plurality of rollers can reduce friction with the bottom end of a second tennis ball, the service life of the tennis ball is prolonged, meanwhile, the tennis ball can be prevented from falling, and preparation is made for second launching.

The utility model has the advantages of it is following:

1. this tennis trainer of training tennis sportsman's reaction, one side fixedly connected with protruding piece through promoting the piece to be close to the dog top surface, motor power's output and a sprocket fixed connection, and then motor power circular telegram operation, and then drive two sprockets, chain and two are dialled the piece and are rotated, it promotes protruding piece compression spring to dial the piece, keep away from protruding piece when dialling the piece, the spring top pushes away and promotes the piece, arouse and place the inside tennis at the transmitting tube, thereby be convenient for replace the manual work to serve the ball action, be convenient for assist the sportsman to train.

2. This tennis trainer of training tennis sportsman's reaction, output and carousel fixed connection through rotating the motor, one side of carousel top surface is rotated and is connected with electric putter, the launching tube rotates with the carousel through the pin and is connected, and then electric putter extension or shorten the motion, thereby be convenient for promote the launching tube and carry out the up-and-down motion of certain angle, rotate through rotating the motor circular telegram, thereby be convenient for drive the carousel and carry out certain angle and rotate, thereby be convenient for make this launching tube can the loud different angles ' of tennis, be convenient for satisfy different sportsman's training requirement.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

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

FIG. 3 is an enlarged schematic view of the structure of FIG. 2;

fig. 4 is a schematic view of the internal structure of the launching tube of the present invention;

fig. 5 is a schematic view of the pushing block of the present invention.

In the figure: 1-a transportation platform, 2-an electric push rod, 3-a power motor, 4-a chain wheel, 5-a shifting block, 6-a chain, 7-a launching tube, 8-a pushing block, 9-a roller, 10-a convex block, 11-a stop block, 12-a spring, 13-a clamping block, 14-a limiting groove, 15-a turntable and 16-a rotating motor.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1 to 5, a tennis training device for training reactions of tennis players, which comprises a transportation platform 1, a turntable 15 is arranged on the top end of the transportation platform 1, the top end of the turntable 15 is rotatably connected with a launching tube 7, one side inside the launching tube 7 is slidably connected with a pushing block 8, a bottom end inside the launching tube 7 is fixedly connected with a stop block 11, a spring 12 is clamped between the stop block 11 and the pushing block 8, one side of the pushing block 8, which is close to the top surface of the stop block 11, is fixedly connected with a protruding block 10, the middle part of the outer wall of the launching tube 7 is rotatably connected with two chain wheels 4, the outer walls of the two chain wheels 4 are meshed with a chain 6, the outer wall of the chain 6 is fixedly connected with two shifting blocks 5, the outer wall of the launching tube 7 is fixedly connected with a power motor 3, and the output end of the power motor 3 is fixedly connected with one chain wheel 4.

As an optional technical solution of the utility model: the middle part fixedly connected with of transport platform 1 bottom surface rotates motor 16, and the output that rotates motor 16 runs through transport platform 1 completely, rotates motor 16's output and 15 fixed connection of carousel, and carousel 15 can be convenient for drive transmitting tube 7 and electric putter 2 and carry out synchronous commentaries on classics, and can adopt step motor when rotating motor 16 chooses for use, can be convenient for like this improve the rotation control precision.

As an optional technical solution of the utility model: leave the clearance between the bottom surface of carousel 15 and the top surface of transportation platform 1, one side of carousel 15 top surface is rotated and is connected with electric putter 2, and electric putter 2's output rotates with the middle part of launching tube 7 outer wall to be connected, and electric putter 2 is because self has the auto-lock nature, can invariably keep the relative launch angle of launching tube 7 like this, is convenient for realize the accurate transmission of tennis.

As an optional technical solution of the utility model: the launching tube 7 is T-shaped, the launching tube 7 is rotatably connected with the turntable 15 through a pin, an oblique angle is arranged at the top end of the launching tube 7, and a plurality of tennis balls can be conveniently placed on the top end of the launching tube 7 to serve as storage balls due to the T-shaped structure of the launching tube 7, so that the tennis balls can be conveniently launched for multiple times in sequence.

As an optional technical solution of the utility model: the top surface of the launching tube 7 close to the outer wall of the chain 6 is provided with a limit groove 14, the stroke of one shifting block 5 is more than twice the length of the limit groove 14, so that the shifting block 5 can move to the lower part of the chain 6 before contacting with the convex block 10, and when the shifting block 5 is separated from the convex block 10, the convex block 10 does not reach one end of the limit groove 14, the convex block 10 is connected with the limit groove 14 in a sliding way, the middle part of the top surface of the pushing block 8 is connected with a plurality of rollers 9 in a rotating way, the top surfaces of the plurality of rollers 9 are tangent with the top surface of the pushing block 8, the side surface of the pushing block 8 close to the spring 12 is fixedly connected with a clamping block 13, the two ends of the spring 12 are respectively clamped with the clamping block 13 and the clamping block 11, a gap is left between the top surface of the convex block 10 and the bottom surface of the chain 6, so that the chain 6 can be prevented from contacting with the top surface of the convex block 10 when naturally drooping, and the length of the protruding block 10 is greater than that of the moving block 5, so that the moving block 5 can rotate along with the chain 6, and meanwhile, the protruding block 10 can be pushed conveniently to enable the sliding block 8 to compress the spring 12.

The utility model discloses a need following step during the use:

1) during installation, the launching tube 7 and the electric push rod 2 are rotatably connected with the rotary table 15, the output end of the electric push rod 2 is rotatably connected with the launching tube 7, one end of the spring 12 is clamped with the clamping block 13, the pushing block 8 is placed inside the launching tube 7, and the protruding block 10 is fixedly connected with the pushing block 8;

2) the two chain wheels 4 are rotatably connected with the launching tube 7, the chain 6 is meshed with the two chain wheels 4, the two shifting blocks 5 are fixedly connected with the chain 6, the power motor 3 is fixedly connected with the launching tube 7, the output end of the power motor 3 is fixedly connected with one chain wheel 4, the other end of the spring 12 is clamped with the stop block 11, and the stop block 11 is fixedly connected with the launching tube 7;

3) during the use, power motor 3 drives a sprocket 4 and rotates, and then can drive chain 6, another sprocket 4 and two are dialled the piece 5 and are rotated, thereby one is dialled piece 5 and is promoted protruding piece 10, thereby it promotes piece 8 compression spring 12 to drive, make spring 12 gather elastic potential energy, dial piece 5 and protruding piece 10 back of separating, spring 12 can release elastic potential energy in the twinkling of an eye, it promotes piece 8 and slides to promote, thereby be convenient for arouse the tennis of placing in the inside of launching tube 7, realize the action of serving, and then be convenient for replace artifically, be convenient for train the sportsman.

To sum up, when a user uses the tennis ball launching device, the protruding block 10 is fixedly connected to one side of the pushing block 8 close to the top surface of the stop block 11, the output end of the power motor 3 is fixedly connected to one chain wheel 4, the power motor 3 is powered on to operate, the two chain wheels 4, the chain 6 and the two shifting blocks 5 are driven to rotate, the shifting blocks 5 push the protruding block 10 to compress the spring 12, when the shifting blocks 5 are far away from the protruding block 10, the spring 12 pushes the pushing block 8 to excite the tennis ball placed in the launching tube 7, so as to facilitate the launch action instead of manual work, facilitate the training of athletes, and then fixedly connect the output end of the rotating motor 16 with the turntable 15, the electric push rod 2 is rotatably connected to one side of the top surface of the turntable 15, the launching tube 7 is rotatably connected with the turntable 15 through a pin, so as to facilitate the launching tube 7 to move up and down at a certain angle, the rotating motor 16 is electrified to rotate, so that the rotating disc 15 can be driven to rotate at a certain angle, tennis balls with different angles can be emitted by the emitting tube 7, and training requirements of different athletes can be met.

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. A tennis training device for training tennis player reaction is characterized in that: comprises a transportation platform (1), a turntable (15) is arranged at the top end of the transportation platform (1), the top end of the rotary disc (15) is rotationally connected with a transmitting tube (7), one side inside the transmitting tube (7) is connected with a pushing block (8) in a sliding way, a stop block (11) is fixedly connected at the bottom end inside the launching tube (7), a spring (12) is clamped between the stop block (11) and the pushing block (8), a convex block (10) is fixedly connected with one side of the pushing block (8) close to the top surface of the stop block (11), the middle part of the outer wall of the transmitting tube (7) is rotationally connected with two chain wheels (4), the outer walls of the two chain wheels (4) are engaged with a chain (6), two shifting blocks (5) are fixedly connected with the outer wall of the chain (6), a power motor (3) is fixedly connected with the outer wall of the transmitting tube (7), the output end of the power motor (3) is fixedly connected with a chain wheel (4).

2. A tennis training apparatus for training the response of a tennis player as recited in claim 1, wherein: the middle part fixedly connected with of transportation platform (1) bottom surface rotates motor (16), the output that rotates motor (16) runs through transportation platform (1) completely, the output and carousel (15) fixed connection that rotate motor (16).

3. A tennis training apparatus for training the response of a tennis player as recited in claim 1, wherein: leave the clearance between the bottom surface of carousel (15) and the top surface of transportation platform (1), one side of carousel (15) top surface is rotated and is connected with electric putter (2), the output of electric putter (2) is rotated with the middle part of launching tube (7) outer wall and is connected.

4. A tennis training apparatus for training the response of a tennis player as recited in claim 1, wherein: the shape of launching tube (7) is T shape, launching tube (7) rotate with carousel (15) through the pin and are connected, the top of launching tube (7) is provided with the oblique angle.

5. A tennis training apparatus for training the response of a tennis player according to claim 4, wherein: spacing groove (14) have been seted up to the top surface that launching tube (7) are close to chain (6) outer wall, protruding piece (10) and spacing groove (14) sliding connection, the middle part that promotes piece (8) top surface rotates and is connected with a plurality of gyro wheels (9), and is a plurality of the top surface of gyro wheel (9) all is tangent with the top surface that promotes piece (8), promote side fixedly connected with fixture block (13) that piece (8) are close to spring (12), the both ends of spring (12) are connected with fixture block (13) and dog (11) looks joint respectively.