CN210963812U

CN210963812U - Automatic tennis ball picking and serving device

Info

Publication number: CN210963812U
Application number: CN201921985415.3U
Authority: CN
Inventors: 杜燕; 王莉莉; 刘译文; 姬翔
Original assignee: North Sichuan Medical College
Current assignee: North Sichuan Medical College
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-10
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses an automatic ball picking and serving device of tennis, including first motor, second motor and electrovalve, still including picking up ball main part and service main part, the lower extreme of picking up ball main part and service main part is all fixed through ground, it includes tubular shell, first runner, first dead lever, chain, ball support and second runner to pick up the ball main part, the lower extreme of tubular shell and first dead lever buries in ground, tubular shell and first dead lever are all fixed through ground, ground is provided with the net, one side that ground is located the net is hopper-shaped, the lower extreme of hopper-shaped is located the lower extreme of tubular shell, first runner and second runner are located the inboard of tubular shell, first runner and second runner run through the shell, chain and ball support tubular slidable mounting are at the inner wall of tubular shell. The utility model discloses can pick up the ball automatically and serve, better satisfying the use needs.

Description

Automatic tennis ball picking and serving device

Technical Field

The utility model relates to a tennis equipment technical field specifically is a tennis is picked up ball service device automatically.

Background

When a user needs to practice tennis alone, the practice is usually performed by connecting the tennis with the elastic rope, but the experience effect of the method is poor. If the ball is directly hit out, the ball serving can be practiced, and the ball picking process is quite tedious, so that a device capable of automatically picking up the ball and serving the ball to a user is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic ball service device of picking up of tennis to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic tennis ball picking and serving device comprises a first motor, a second motor and an electric valve; the lower ends of the ball picking main body and the ball serving main body are fixed through the ground; the ball picking main body comprises a tubular shell, a first rotating wheel, a first fixing rod, a chain, a ball support and a second rotating wheel, wherein the lower ends of the tubular shell and the first fixing rod are buried in the ground, the tubular shell and the first fixing rod are fixed through the ground, the ground is provided with the ball net, one side of the ground, which is positioned on the ball net, is in a bucket shape, the lower end of the bucket shape is positioned at the lower end of the tubular shell, the first rotating wheel and the second rotating wheel are positioned at the inner side of the tubular shell, the first rotating wheel and the second rotating wheel penetrate through the tubular shell, the chain and the ball support are slidably arranged on the inner wall of the tubular shell, the upper end and the lower end of the inner wall of the chain are meshed and arranged at the upper end of the first rotating wheel and the lower end of the second rotating wheel, the rear end of the first rotating wheel is fixedly connected at the front end of, the first motor is electrically connected through an external power supply; the service main body comprises a second fixing rod, a tubular spiral shell, a rotary drum, a service hole and a fixed disc, wherein the lower end of the second fixing rod is fixed through the ground, the inner end of the tubular spiral shell is fixedly connected to the outer wall of the rotary drum, the tubular spiral shell is communicated and connected with the inner space of the rotary drum, the service main body also comprises a second funnel, the second funnel is fixedly connected through the fixed disc, the lower end of the second funnel is fixedly connected to the upper end of an electrovalve, the electrovalve is electrically connected through an external power supply, the center of the side wall of the rotary drum, which is opposite to the electrovalve, is fixedly connected with the outer end of a rotor of a second motor, the second motor is electrically connected through the external power supply, the service hole is hollowed out and arranged at the upper end of the tubular spiral shell, the outer wall of the service hole is slidably supported on the inner wall of the fixed disc, the second motor penetrates through the fixed disc.

Preferably, the upper end of the tubular shell is provided with a ball guide nozzle which is fixedly connected with the tubular shell, and the lower end of the ball guide nozzle is opposite to the upper end of the second hopper.

Preferably, the lower end of the tubular outer shell is provided with a first funnel, the first funnel is fixedly connected with the tubular outer shell, and the inner space of the tubular outer shell is communicated with the inner space of the first funnel.

Preferably, the service main body further comprises a ball guide pipe, the upper end of the ball guide pipe is fixedly connected to the lower end of the electrovalve, the ball guide pipe is communicated with the inner space of the electrovalve, the second hopper is communicated with the inner space of the electrovalve, and the lower end of the ball guide pipe is opposite to the inner side of the rotary drum.

Preferably, the service main part still includes the baffle, baffle fixed connection is in the upper end of fixed disk, the second funnel passes through baffle fixed connection in the upper end of fixed disk.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the rear side of the device is provided with a ball blocking net which is fixed through the ground, when a user plays tennis, the ball falls on the opposite field of the user, the ball is guided into a first funnel by utilizing the bucket shape of the ground, the ball is guided into the tubular shell through the first funnel, a first motor drives a first rotating wheel to drive a chain to rotate, a ball support is driven by the chain to rotate to convey the ball to the upper end of the tubular shell along the inner wall of the tubular shell, when the ball is conveyed to the upper end of the inner wall of the tubular shell, the ball is guided into a second funnel through a ball guide nozzle, an external power supply is utilized to open an electric valve, the ball passes through the electric valve to enter a ball guide pipe, the ball enters the rotating cylinder through the ball guide pipe, the second motor is driven by the external power supply to drive the rotating cylinder and a ball serving hole to rotate, the ball is guided into the ball serving hole by utilizing centrifugal force, when the ball serving hole rotates to an opening at the front end of the, the ball is thrown forwards by means of centrifugal force to finish the ball serving work, and the second motor is in a normal rotation state in the ball serving work.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the main structure of the ball pick-up of the present invention;

fig. 3 is a schematic view of the main structure of the serve of the present invention.

In the figure: 1. picking up the ball main body; 2. a serving body; 3. a tubular housing; 4. a first motor; 5. a first runner; 6. a first fixing lever; 7. a chain; 8. a ball support; 9. a second runner; 10. a first hopper; 11. a second motor; 12. a second fixing bar; 13. a tubular spiral shell; 14. a ball guide tube; 15. an electro-valve; 16. a second hopper; 17. a rotating drum; 18. a ball serving hole; 19. a baffle plate; 20. and (7) fixing the disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships that are relative to each other, are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: an automatic tennis ball picking and serving device comprises a first motor 4, a second motor 11 and an electric valve 15; the automatic ball picking device also comprises a ball picking main body 1 and a ball serving main body 2, wherein the lower ends of the ball picking main body 1 and the ball serving main body 2 are fixed through the ground; the ball picking main body 1 comprises a tubular shell 3, a first rotating wheel 5, a first fixing rod 6, a chain 7, a ball support 8 and a second rotating wheel 9, the lower ends of the tubular shell 3 and the first fixing rod 6 are buried in the ground, the tubular shell 3 and the first fixing rod 6 are both fixed through the ground, the ground is provided with the ball net, one side of the ball net, which is positioned on the ground, is in a bucket shape, the lower end of the bucket shape is positioned at the lower end of the tubular shell 3, the first rotating wheel 5 and the second rotating wheel 9 are positioned at the inner side of the tubular shell 3, the first rotating wheel 5 and the second rotating wheel 9 penetrate through the tubular shell 3, the chain 7 and the ball support 8 are slidably arranged on the inner wall of the tubular shell 3, the upper end and the lower end of the inner wall of the chain 7 are engaged and arranged at the upper end of the first rotating wheel 5 and the lower end of the second rotating wheel 9, the rear end of the first rotating wheel, the first motor 4 is electrically connected with an external power supply; the service body 2 comprises a second fixing rod 12, a tubular spiral shell 13, a rotary drum 17, a service hole 18 and a fixed disc 20, the lower end of the second fixing rod 12 is fixed through the ground, the inner end of the tubular spiral shell 13 is fixedly connected with the outer wall of the rotary drum 17, the tubular spiral shell 13 is communicated with the inner space of the rotary drum 17, the service body 2 further comprises a second funnel 16, the second funnel 16 is fixedly connected through the fixed disc 20, the lower end of the second funnel 16 is fixedly connected with the upper end of an electric valve 15, the electric valve 15 is electrically connected through an external power supply, the center of the side wall of the rotary drum 17, which is back to the electric valve 15, is fixedly connected with the outer end of a rotor of a second motor 11, the second motor 11 is electrically connected through the external power supply, the service hole 18 is hollowed out and arranged at the upper end of the tubular spiral shell 13, the outer wall of the service hole 18 is slidably supported on the inner, the second motor 11 runs through the fixed disc 20, the rear side of the device is provided with a ball blocking net which is fixed through the ground, in the using process, when a user plays tennis, the ball falls on the opposite field of the user, the ball is guided into the first funnel 10 by utilizing the bucket shape of the ground, the ball is guided into the tubular shell 3 through the first funnel 10, the first motor 4 drives the first rotating wheel 5 to drive the chain 7 to rotate, the ball support 8 is driven by the chain 7 to rotate to convey the ball to the upper end of the tubular shell 3 along the inner wall of the tubular shell 3, when the ball is conveyed to the upper end of the inner wall of the tubular shell 3, the ball is guided into the second funnel 16 through the ball guide nozzle, the electric valve 15 is opened by utilizing an external power supply, the ball passes through the electric valve 15 to enter the ball guide pipe 14 and enters the rotary drum 17 through the ball guide pipe 14, the second motor 11 is driven by the external power supply to drive the rotary drum 17 and the ball serving hole 18, the balls are guided into the ball serving holes 18 by centrifugal force, and when the ball serving holes 18 rotate to the opening at the front end of the inner wall of the fixed disc 20, the balls are thrown forward by the centrifugal force to complete ball serving, and the second motor 11 is in a normal rotation state during ball serving.

The upper end of the tubular shell 3 is provided with a ball guide nozzle, the ball guide nozzle is fixedly connected with the tubular shell 3, the lower end of the ball guide nozzle is opposite to the upper end of the second funnel 16, the lower end of the tubular shell 3 is provided with the first funnel 10, the first funnel 10 is fixedly connected with the tubular shell 3, the inner space of the tubular shell 3 is communicated with the inner space of the first funnel 10, the service main body 2 further comprises a ball guide pipe 14, the upper end of the ball guide pipe 14 is fixedly connected with the lower end of the electric valve 15, the ball guide pipe 14 is communicated with the inner space of the electric valve 15, the second funnel 16 is communicated with the inner space of the electric valve 15, the lower end of the ball guide pipe 14 is opposite to the inner side of the rotary drum 17, the service main body 2 further comprises a baffle plate 19, the baffle plate 19 is fixedly connected with the upper end of the fixed plate 20, and the second funnel 16 is.

The working principle is as follows: the rear side of the device is provided with a ball blocking net which is fixed through the ground, when a user plays tennis, the ball falls on the opposite field of the user, the ball is guided into a first funnel 10 by utilizing the bucket shape of the ground, the ball is guided into the tubular shell 3 by the first funnel 10, a first motor 4 is utilized to drive a first rotating wheel 5 to drive a chain 7 to rotate, a ball support 8 is driven by the chain 7 to rotate to convey the ball to the upper end of the tubular shell 3 along the inner wall of the tubular shell 3, when the ball is conveyed to the upper end of the inner wall of the tubular shell 3, the ball is guided into a second funnel 16 by a ball guide nozzle, an electric valve 15 is opened by utilizing an external power supply, the ball passes through the electric valve 15 to enter a ball guide pipe 14 and enters a rotary drum 17 by the ball guide pipe 14, a second motor 11 is driven by the external power supply to drive the rotary drum 17 and a ball service hole 18 to rotate, and the ball is guided into the ball service hole 18 by utilizing centrifugal force, when the ball serving hole 18 rotates to the opening at the front end of the inner wall of the fixed disc 20, the ball is thrown forward by centrifugal force to complete the ball serving work, and the second motor 11 is in a normal rotation state during the ball serving work.

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 an automatic ball service device of picking up of tennis, includes first motor (4), second motor (11) and electrovalve (15), its characterized in that: the automatic ball picking machine also comprises a ball picking main body (1) and a ball serving main body (2), wherein the lower ends of the ball picking main body (1) and the ball serving main body (2) are fixed through the ground; pick up ball main part (1) and include tubular shell (3), first runner (5), first dead lever (6), chain (7), ball support (8) and second runner (9), the lower extreme of tubular shell (3) and first dead lever (6) is buried in ground, tubular shell (3) and first dead lever (6) are all fixed through ground, ground is provided with the net, ground is located one side of net and is the fill shape, the lower extreme of fill shape is located the lower extreme of tubular shell (3), first runner (5) and second runner (9) are located the inboard of tubular shell (3), tubular shell (3) is run through to first runner (5) and second runner (9), chain (7) and ball support (8) slidable mounting are at the inner wall of tubular shell (3), the upper end and the lower extreme meshing of the inner wall of chain (7) are installed in the upper end of first runner (5) and the lower extreme of second runner (9), the rear end of the first rotating wheel (5) is fixedly connected to the front end of a rotor of the first motor (4), a shell of the first motor (4) is fixed through the upper end of a first fixing rod (6), and the first motor (4) is electrically connected through an external power supply; the service main body (2) comprises a second fixing rod (12), a tubular spiral shell (13), a rotary drum (17), a service hole (18) and a fixed disc (20), the lower end of the second fixing rod (12) is fixed through the ground, the inner end of the tubular spiral shell (13) is fixedly connected to the outer wall of the rotary drum (17), the tubular spiral shell (13) is communicated with the inner space of the rotary drum (17), the service main body (2) further comprises a second funnel (16), the second funnel (16) is fixedly connected through the fixed disc (20), the lower end of the second funnel (16) is fixedly connected to the upper end of an electric valve (15), the electric valve (15) is electrically connected through an external power supply, the rotary drum (17) is fixedly connected to the outer end of a rotor of a second motor (11) in a mode that the center of the side wall of the electric valve (15) faces away from the rotary drum (17), and the second motor (11) is electrically connected through the external power, the upper end at tubular spiral shell (13) is seted up in service hole (18) fretwork, the outer wall sliding support of service hole (18) is at the inner wall of fixed disk (20), the lateral wall at fixed disk (20) is installed in the fixed scarf joint of second motor (11), second motor (11) run through fixed disk (20).

2. The automatic tennis ball picking and serving device of claim 1, wherein: the upper end of the tubular shell (3) is provided with a ball guide nozzle which is fixedly connected with the tubular shell (3), and the lower end of the ball guide nozzle is opposite to the upper end of the second funnel (16).

3. The automatic tennis ball picking and serving device of claim 1, wherein: the lower end of the tubular outer shell (3) is provided with a first funnel (10), the first funnel (10) is fixedly connected with the tubular outer shell (3), and the inner space of the tubular outer shell (3) is communicated with the inner space of the first funnel (10).

4. The automatic tennis ball picking and serving device of claim 1, wherein: the service main body (2) further comprises a ball guide pipe (14), the upper end of the ball guide pipe (14) is fixedly connected to the lower end of the electric valve (15), the ball guide pipe (14) is communicated with the inner space of the electric valve (15), the second hopper (16) is communicated with the inner space of the electric valve (15), and the lower end of the ball guide pipe (14) is opposite to the inner side of the rotary drum (17).

5. The automatic tennis ball picking and serving device of claim 1, wherein: service main part (2) still include baffle (19), baffle (19) fixed connection is in the upper end of fixed disk (20), second funnel (16) pass through baffle (19) fixed connection in the upper end of fixed disk (20).