CN113694499A

CN113694499A - Table tennis serving device

Info

Publication number: CN113694499A
Application number: CN202110872498.0A
Authority: CN
Inventors: 董树青
Original assignee: Taishan University
Current assignee: Taishan University
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-11-26

Abstract

The invention discloses a table tennis serving device in the technical field of physical training instruments, which comprises a bottom plate, wherein an upright post is welded at the top of the bottom plate, a box body is fixedly arranged at the top of the upright post, a guide rail is fixedly arranged at the top of an inner cavity of the box body, a lead screw is rotatably connected to the inner wall of the guide rail, a first motor is fixedly arranged on the back surface of the guide rail, and an output shaft of the first motor is fixedly arranged with the lead screw. So as to improve the training efficiency.

Description

Table tennis serving device

Technical Field

The invention relates to the technical field of physical training instruments, in particular to a table tennis serving device.

Background

In the process of table tennis training, most of them are hit for the student for manual service, but this kind of mode can occupy a large amount of manpowers, and can't train at any time, therefore the service robot becomes the main equipment of training gradually, present service robot is mainly for fixed mode service robot, the unable student's of training ability of this kind of service robot, thereby reduced the training quality, and present service robot can't retrieve the table tennis of hitting back, consequently, the trainer needs frequent table tennis of adding in the service robot, the valuable time of trainer has been wasted.

Based on the above, the invention designs a table tennis serving device to solve the above problems.

Disclosure of Invention

The present invention is directed to a table tennis serving apparatus to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a table tennis serving device comprises a bottom plate, wherein a stand column is welded at the top of the bottom plate, a box body is fixedly mounted at the top of the stand column, a guide rail is fixedly mounted at the top of an inner cavity of the box body, the inner wall of the guide rail is rotatably connected with a lead screw, a first motor is fixedly mounted at the back of the guide rail, an output shaft of the first motor is fixedly mounted with the lead screw, a movable block is in threaded connection with the surface of the lead screw, a sliding block is fixedly mounted at the bottom of the movable block, an air injection pipe is fixedly mounted at the left side of the sliding block, an electromagnetic valve is fixedly mounted on the surface of the air injection pipe, a placing pipe is communicated with the left end of the air injection pipe, a first hose is communicated with the left end of the placing pipe, and one end of the first hose is communicated with a serving pipe;

a compression tank is fixedly mounted on the left side of the upright post, a second hose is communicated with the exhaust end of the compression tank, the other end of the second hose is communicated with the air jet pipe, an air pump is fixedly mounted on the left side of the top of the bottom plate, the exhaust end of the air pump is communicated with the compression tank, and a one-way valve is fixedly mounted on the exhaust end of the air pump;

the top of the box body is fixedly provided with a hollow disc, the inner wall of the hollow disc is rotatably connected with a rotating rod, the front of the hollow disc is fixedly provided with a second motor, an output shaft of the second motor is rotatably connected with the rotating rod, the surface of the rotating rod is fixedly provided with a partition plate, the left side of the hollow disc is communicated with a ball outlet pipe, the other end of the ball outlet pipe is communicated with a third hose, and the other end of the third hose is communicated with a ball serving pipe;

the air extractor is fixedly mounted on the right side of the box body, an air inlet end of the air extractor is communicated with an absorption pipe, the left side of the absorption pipe is communicated with a ball inlet pipe, and the other end of the ball inlet pipe is communicated with the hollow disc.

Preferably, the top welding of placing the pipe has the support, the other end of support runs through the outside of box, the service pipe rotates the inboard of connecting at the support, the front threaded connection of support has the lock silk, the other end and the service pipe laminating of lock silk.

Preferably, the top of hollow dish is provided with the frame, the inside welding of frame has the crossbeam, the bottom and the hollow dish fixed mounting of crossbeam, the bottom fixed mounting of frame has the string bag, the string bag cover is in the outside of box, the bottom fixed mounting of string bag has the collection fill, the bottom of suction tube extends to the inside of collecting the fill, the left side and the stand fixed mounting of collecting the fill.

Preferably, the inner cavity of the sliding block is connected with a supporting rod in a sliding mode, and two ends of the supporting rod are welded with the inner wall of the box body.

Preferably, the bottom of the placing tube is fixedly provided with an infrared sensor, and a detection head of the infrared sensor penetrates through the inside of the placing tube.

Preferably, the inner wall of the suction pipe is fixedly provided with a blocking net, and the blocking net is positioned above the ball inlet pipe.

Compared with the prior art, the invention has the beneficial effects that: the device drives the ball serving pipe to move by the reciprocating movement of the sliding block, so that the ball serving position is changed, the reaction capacity of a student can be improved in the training process, and the net bag is also arranged in the device in a matched manner, so that the ball can fall into the collecting hopper below the net bag through the blocking of the net bag after the student hits the ball, the trouble of picking up the ball is avoided, the time of the student is greatly saved, and the student can put more time into the training to improve the training efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a front sectional view of a hollow disc according to the present invention;

FIG. 3 is a partial cross-sectional front view of the deployment tube of the present invention;

FIG. 4 is a perspective view of the slider of the present invention;

FIG. 5 is a left side sectional view of the guide rail of the present invention;

FIG. 6 is a left side view of the stent of the present invention;

FIG. 7 is a top view of the frame and net of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base plate; 2. a column; 3. a box body; 4. a guide rail; 5. a screw rod; 6. a first motor; 7. A movable block; 8. a slider; 9. a gas ejector tube; 10. placing a tube; 11. a first hose; 12. a bulb tube; 13. a compression tank; 14. a second hose; 15. an air pump; 16. a one-way valve; 17. a hollow disc; 18. a rotating rod; 19. a second motor; 20. a partition plate; 21. a ball outlet pipe; 22. a third hose; 23. an air extractor; 24. an extraction tube; 25. a ball inlet pipe; 26. a support; 27. locking the wire; 28. a frame; 29. a cross beam; 30. a net bag; 31. a collecting hopper; 32. a support bar; 33. An infrared sensor; 34. blocking the net; 35. an electromagnetic valve.

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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

Example one

Referring to the drawings, the present invention provides a technical solution: a table tennis serving device comprises a bottom plate 1, wherein a stand column 2 is welded at the top of the bottom plate 1, a box body 3 is fixedly installed at the top of the stand column 2, a guide rail 4 is fixedly installed at the top of an inner cavity of the box body 3, the inner wall of the guide rail 4 is rotatably connected with a lead screw 5, a first motor 6 is fixedly installed at the back of the guide rail 4, an output shaft of the first motor 6 is fixedly installed with the lead screw 5, a movable block 7 is in threaded connection with the surface of the lead screw 5, a sliding block 8 is fixedly installed at the bottom of the movable block 7, an air injection pipe 9 is fixedly installed on the left side of the sliding block 8, an electromagnetic valve 35 is fixedly installed on the surface of the air injection pipe 9, a placing pipe 10 is communicated at the left end of the air injection pipe 9, a first hose 11 is communicated at the left end of the placing pipe 10, a serving pipe 12 is communicated with one end of the first hose 11, the lead screw 5 is driven to rotate by the output shaft of the first motor 6 in the process of serving, and the lead screw 5 is in threaded connection with the movable block 7, therefore, the screw rod 5 can drive the movable block 7 to move, the movable block 7 drives the sliding block 8 to move, and the first motor 6 has a positive and negative rotation function for a servo motor, so that the sliding block 8 can reciprocate back and forth, the sliding block 8 drives the air injection pipe 9, the placing pipe 10 and the service pipe 12 to move, the service position is continuously adjusted in the service process, the advantage of service from different positions is achieved, and the response capability of a student is improved;

a compression tank 13 is fixedly arranged on the left side of the upright post 2, a second hose 14 is communicated with the exhaust end of the compression tank 13, the other end of the second hose 14 is communicated with the air injection pipe 9, an air pump 15 is fixedly arranged on the left side of the top of the bottom plate 1, the exhaust end of the air pump 15 is communicated with the compression tank 13, a one-way valve 16 is fixedly arranged on the exhaust end of the air pump 15, when a ball enters the placing pipe 10, the infrared sensor 33 is triggered, at the moment, the electromagnetic valve 35 is opened, compressed air in the compression tank 13 is sprayed out, the ball is pushed out from the ball serving pipe 12, and therefore the whole ball serving process is completed;

a hollow disc 17 is fixedly installed at the top of the box body 3, a rotating rod 18 is rotatably connected to the inner wall of the hollow disc 17, a second motor 19 is fixedly installed on the front face of the hollow disc 17, an output shaft of the second motor 19 is rotatably connected with the rotating rod 18, a partition plate 20 is fixedly installed on the surface of the rotating rod 18, a ball outlet pipe 21 is communicated with the left side of the hollow disc 17, a third flexible pipe 22 is communicated with the other end of the ball outlet pipe 21, the other end of the third flexible pipe 22 is communicated with the ball serving pipe 12, the output shaft of the second motor 19 drives the rotating rod 18 to rotate, the rotating rod 18 drives the partition plate 20 to do circular motion, balls in the ball inlet pipe 25 can fall in a space between the two partition plates 20, and can be conveyed to the ball outlet pipe 21 along with the rotation of the partition plate 20, the balls can fall in the ball outlet pipe 21 under the action of gravity, and are conveyed to the placing pipe 10 through the third flexible pipe 22;

the right side fixed mounting of box 3 has air extractor 23, and the inlet end intercommunication of air extractor 23 has suction tube 24, and suction tube 24's left side intercommunication has inlet tube 25, and inlet tube 25's the other end and hollow dish 17 intercommunication, and air extractor 23 starts the gas extraction to in suction tube 24 to suction tube 24 is at the in-process of bleeding, and the spheroid in the collection fill 31 can be extracted in suction tube 24 through the effect of air current, and enter into in inlet tube 25 behind the blocking of fender net 34.

Specifically, the inner cavity of the sliding block 8 is connected with a supporting rod 32 in a sliding manner, and two ends of the supporting rod 32 are welded with the inner wall of the box body 3.

Specifically, the infrared sensor 33 is fixedly mounted at the bottom of the placing tube 10, and a detection head of the infrared sensor 33 penetrates into the placing tube 10.

Specifically, a baffle net 34 is fixedly arranged on the inner wall of the suction pipe 24, and the baffle net 34 is positioned above the ball inlet pipe 25.

Example two

The structure of this embodiment is basically the same as embodiment one, the difference lies in, the top welding of placing pipe 10 has support 26, the other end of support 26 runs through the outside of box 3, service pipe 12 rotates the inboard of connecting at support 26, the front threaded connection of support 26 has lock wire 27, the other end and the service pipe 12 laminating of lock wire 27, setting through support 26, can conveniently adjust the service angle of service pipe 12, in order to satisfy different user demands, and can lock the service pipe 12 after adjusting through lock wire 27.

EXAMPLE III

The structure of this embodiment is basically the same as that of the first embodiment, the difference lies in that a frame 28 is arranged above the hollow disc 17, a cross beam 29 is welded inside the frame 28, the bottom of the cross beam 29 is fixedly installed with the hollow disc 17, a net bag 30 is fixedly installed at the bottom of the frame 28, the net bag 30 covers the outside of the box body 3, a collecting hopper 31 is fixedly installed at the bottom of the net bag 30, the bottom of the suction pipe 24 extends to the inside of the collecting hopper 31, the left side of the collecting hopper 31 is fixedly installed with the upright post 2, and the net bag 30 is arranged in the device in a matched manner, so that after a student hits back a ball, the ball can fall into the collecting hopper 31 below the net bag 30 through the obstruction of the net bag 30, thereby avoiding the trouble of picking up the ball, greatly saving the time of the student, and enabling the student to put more time into training to improve the training efficiency.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A table tennis serving device, includes bottom plate (1), its characterized in that: the top welding of bottom plate (1) has stand (2), the top fixed mounting of stand (2) has box (3), the top fixed mounting of box (3) inner chamber has guide rail (4), the inner wall of guide rail (4) rotates and is connected with lead screw (5), the back fixed mounting of guide rail (4) has first motor (6), the output shaft and the lead screw (5) fixed mounting of first motor (6), the surperficial threaded connection of lead screw (5) has movable block (7), the bottom fixed mounting of movable block (7) has slider (8), the left side fixed mounting of slider (8) has jet-propelled pipe (9), the fixed surface of jet-propelled pipe (9) installs solenoid valve (35), the left end intercommunication of jet-propelled pipe (9) has places pipe (10), the left end intercommunication of placing pipe (10) has first hose (11), one end of the first hose (11) is communicated with a bulb tube (12);

a compression tank (13) is fixedly mounted on the left side of the upright post (2), a second hose (14) is communicated with the exhaust end of the compression tank (13), the other end of the second hose (14) is communicated with the air jet pipe (9), an air pump (15) is fixedly mounted on the left side of the top of the bottom plate (1), the exhaust end of the air pump (15) is communicated with the compression tank (13), and a check valve (16) is fixedly mounted on the exhaust end of the air pump (15);

the top of the box body (3) is fixedly provided with a hollow disc (17), the inner wall of the hollow disc (17) is rotatably connected with a rotating rod (18), the front of the hollow disc (17) is fixedly provided with a second motor (19), the output shaft of the second motor (19) is rotatably connected with the rotating rod (18), the surface of the rotating rod (18) is fixedly provided with a separation plate (20), the left side of the hollow disc (17) is communicated with a ball outlet pipe (21), the other end of the ball outlet pipe (21) is communicated with a third hose (22), and the other end of the third hose (22) is communicated with a ball serving pipe (12);

an air pump (23) is fixedly mounted on the right side of the box body (3), an air inlet end of the air pump (23) is communicated with an absorption pipe (24), the left side of the absorption pipe (24) is communicated with a ball inlet pipe (25), and the other end of the ball inlet pipe (25) is communicated with the hollow disc (17).

2. The table tennis serving apparatus of claim 1, wherein: the welding of the top of placing pipe (10) has support (26), the outside of box (3) is run through to the other end of support (26), bulb tube (12) rotate to be connected in the inboard of support (26), the front threaded connection of support (26) has lock silk (27), the other end and the bulb tube (12) laminating of lock silk (27).

3. The table tennis serving apparatus of claim 1, wherein: the top of hollow dish (17) is provided with frame (28), the inside welding of frame (28) has crossbeam (29), the bottom and hollow dish (17) fixed mounting of crossbeam (29), the bottom fixed mounting of frame (28) has string bag (30), string bag (30) cover is in the outside of box (3), the bottom fixed mounting of string bag (30) has collection fill (31), the bottom of suction tube (24) extends to the inside of collecting fill (31), the left side and stand (2) fixed mounting of collecting fill (31).

4. The table tennis serving apparatus of claim 1, wherein: the inner cavity sliding connection of slider (8) has bracing piece (32), the both ends of bracing piece (32) all with the inner wall welding of box (3).

5. The table tennis serving apparatus of claim 1, wherein: the bottom of placing pipe (10) is fixedly provided with infrared sensor (33), and the detection head of infrared sensor (33) penetrates through the inside of placing pipe (10).

6. The table tennis serving apparatus of claim 1, wherein: the inner wall of the suction pipe (24) is fixedly provided with a blocking net (34), and the blocking net (34) is positioned above the ball inlet pipe (25).