CN218900768U

CN218900768U - Rotary driving base and table tennis ball serving device assembly

Info

Publication number: CN218900768U
Application number: CN202222997824.3U
Authority: CN
Inventors: 陈洪佳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-04-25
Anticipated expiration: 2032-11-10

Abstract

The application discloses rotary drive base and table tennis service robot subassembly, rotary drive base includes: base body, reference column, drive wheel and actuating mechanism. The base body has a cavity and a horizontal support plate. The reference column is connected in the base body, and the horizontal support plate of reference column protrusion. The driving wheel is rotatably connected to the base body and has an eccentric column. The driving mechanism is arranged in the cavity and is in transmission connection with the driving wheel so as to drive the driving wheel to rotate. The table tennis service robot or other service robot can be placed on the rotary driving base of the application, and the rotary driving base of the application drives the service robot body to rotate circularly and reciprocally through the eccentric column on the driving wheel so as to adjust the service direction, so that the training difficulty is increased, the interestingness is improved, the user experience is good, and the ball game of a training person is promoted. The rotary driving base and the service robot body in the application are arranged in a split mode, and maintenance is convenient.

Description

Rotary driving base and table tennis ball serving device assembly

Technical Field

The utility model relates to the technical field of sports equipment, in particular to a rotary driving base and a table tennis service robot assembly.

Background

The table tennis is a common ball game, and is particularly called as a 'national ball' in Chinese table tennis, and most people are enthusiastic for the ball game. The table tennis can be played by two persons for comparison and spelling to improve ball skills, and at present, partial table tennis service robot on the market can automatically launch the table tennis for one person to practice alone. But can only serve in a fixed direction, and the user can only perform ball receiving training at the same position during training, which is not beneficial to improving ball skills.

There is also table tennis service robot of adjustable service direction on the market, and its actuating mechanism and service robot are integrated indistinct, and inner structure is more complicated, and the maintenance is inconvenient, and manufacturing cost is high, and the price is expensive.

In view of this, the present utility model has been made.

Disclosure of Invention

The utility model provides a rotary driving base and a table tennis service robot assembly.

The application provides the following technical scheme:

a first object of the present application is to provide a rotary drive base comprising:

the base body is provided with a cavity and a horizontal supporting plate;

the positioning column is connected to the base body and protrudes out of the horizontal supporting plate;

the driving wheel is rotatably connected to the base body and is provided with an eccentric column;

the driving mechanism is arranged in the cavity and is in transmission connection with the driving wheel so as to drive the driving wheel to rotate.

Optionally, the positioning column is located at the center of the horizontal support plate, and the driving wheel is disposed at the edge of the horizontal support plate.

Optionally, the driving mechanism comprises a motor and a gear box, the motor is in gear transmission connection with the input end of the gear box, and the output end of the gear box is in gear connection with an output shaft;

the drive wheel is connected to the output shaft.

Optionally, through holes communicated with the cavity are formed in the horizontal supporting plate;

the driving wheel is provided with a sheet body, the eccentric column is connected to one surface of the sheet body, and the other surface of the sheet body is connected with a sleeve part;

the sleeve part passes through the through hole and is sleeved on the output shaft.

A second object of the present application is to provide a table tennis service robot assembly comprising:

the above-mentioned rotary drive base;

the ball dispenser body is provided with a positioning groove and a driving matching groove;

in the state that the ball dispenser is placed in the rotary driving base, the positioning column is rotatably inserted into the positioning groove, and the eccentric column is inserted into the driving matching groove;

the driving mechanism drives the driving wheel to rotate so as to drive the service robot body to reciprocally rotate to adjust the service direction.

Optionally, the service robot body is provided with a lower support plate, and a lower support part, the driving matching groove and the positioning groove are arranged on the lower support plate;

the driving wheel is provided with a sheet body, and the eccentric column is connected to the sheet body;

in the state that the service robot body is placed in the rotary driving base, the lower supporting portion is supported on the horizontal supporting plate, a gap is reserved between the horizontal supporting plate and the lower supporting plate, and the sheet body is located in the gap.

Optionally, a plurality of lower supporting portions are disposed on the lower supporting plate, each lower supporting portion is disposed along a circumferential direction of the lower supporting plate at intervals in sequence, and each lower supporting portion extends along an edge of the lower supporting plate.

Optionally, a bearing is installed in the positioning groove, and the positioning column is inserted into an inner ring of the bearing.

Optionally, the table tennis service robot assembly further comprises a screw service rack, wherein the screw service rack is connected to the service robot body;

the ball dispenser body is provided with a ball dispenser groove and a ball spring mechanism, and the ball dispenser groove is communicated with the spiral ball dispenser rack;

the ball striking mechanism is provided with a ball striking rod, and the ball striking mechanism can drive the ball striking rod to move into the ball striking groove so as to strike out a ball body.

Optionally, the pachinko mechanism includes:

a base;

the pushing block is slidably connected with the seat body and is connected with the billiard rod;

an elastic member disposed between the seat body and the ejector block in a compression manner;

the driving assembly is arranged on the base body and is provided with a driving piece and a swinging rod, the driving piece is in transmission connection with the swinging rod, and the pushing block is positioned in the swinging range of the swinging rod;

in the process that the driving assembly drives the swing rod to rotate, the swing rod can stir the ejector block to translate along the base body so as to compress the elastic component, and in the state that the swing rod is separated from the ejector block, the elastic component is restored to deform and pushes the ejector block to reset, so that the marble rod can knock out a sphere.

Through adopting above-mentioned technical scheme for this application has following beneficial effect:

the utility model provides a rotary drive base and table tennis service robot subassembly, table tennis service robot or other service robot can place on the rotary drive base of this application, and the eccentric column that this application was passed through on the drive wheel drives service robot body cyclic reciprocating's rotation to adjust the direction of service, increased the training degree of difficulty, improved the interest, user experience feels good, is favorable to promoting training person's ball skill. The rotary driving base and the service robot body in the application are arranged in a split mode, and maintenance is convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model, without limitation to the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.

Fig. 1 is a schematic structural diagram of a rotary driving base according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of an internal structure of a rotary driving base according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a table tennis service robot assembly according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a service robot body according to an embodiment of the present utility model;

fig. 5 is a schematic bottom view of a service robot body according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a pachinko mechanism of a service robot body according to an embodiment of the present utility model;

fig. 7 is a schematic diagram of an assembly structure of a push block, an elastic member and a driving assembly of a ball dispenser body according to an embodiment of the present utility model.

In the figure: the ball dispenser comprises a base body 1, a horizontal support plate 11, a positioning column 2, a driving wheel 3, an eccentric column 31, a sheet body 32, a sleeve part 33, a driving mechanism 4, a motor 41, a gear box 42, a ball dispenser body 5, a lower support plate 51, a lower support part 511, a positioning groove 512, a bearing 512a, a driving matching groove 513, a ball feeding groove 52, a ball mechanism 53, a ball rod 531, a base 532, a pushing block 533, an elastic member 534, a driving component 535, a driving member 535a, a swing lever 535b and a screw ball feeding frame 6.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1 to 7, a first embodiment of the present application provides a rotary driving base, including: base body 1, reference column 2, drive wheel 3 and actuating mechanism 4. The base body 1 has a cavity and a horizontal support plate 11. The positioning column 2 is connected to the base body 1, and the positioning column 2 protrudes out of the horizontal support plate 11. The driving wheel 3 is rotatably connected to the base body 1, and the driving wheel 3 has an eccentric post 31. The driving mechanism 4 is arranged in the cavity, and the driving mechanism 4 is in transmission connection with the driving wheel 3 so as to drive the driving wheel 3 to rotate. The table tennis service robot or other service robot can be placed on the rotary driving base of this application, and the rotary driving base of this application drives service robot body 5 cyclic reciprocating's rotation through the eccentric column 31 on the drive wheel 3 to adjust the direction of service, increased the training degree of difficulty, improved the interest, user experience feels good, is favorable to promoting training person's ball skill. The rotary driving base and the service robot body 5 in the application are arranged in a split mode, and maintenance is convenient.

In a possible embodiment, the positioning column 2 is located at the center of the horizontal support plate 11, and the driving wheel 3 is disposed at the edge of the horizontal support plate 11. When the service robot body 5 is placed on the rotary driving base of the present application, the positioning column 2 will extend into the positioning groove 512 in the service robot body 5, the service robot body 5 swings back and forth with the positioning column 2 as the rotation axis under the driving of the driving wheel 3, and the positioning column 2 plays a limiting role on the service robot body on the upper portion thereof, so that the service robot body will not deviate from the axis of the horizontal supporting plate 11 when rotating. Because the table tennis stands at the two ends of the table tennis table for two persons, the two persons face to each other to serve, the serving device is placed at the other end of the trainer during training and serves the ball for the trainer, the driving wheel 3 drives the serving device body placed on the driving wheel to rotate, the driving wheel 3 is arranged at the edge of the horizontal supporting plate 11, the serving device body placed on the upper portion of the driving wheel can circularly reciprocate in one direction, if the driving wheel 3 is arranged at the center of the horizontal supporting plate 11, the driving wheel 3 drives the serving device body on the upper portion of the driving wheel 3 to rotate for 360 degrees, the serving device is 360 degrees to serve balls, most of the balls cannot be delivered to the opposite sides of the trainer, the training of the trainer is affected, and the table tennis serving specification is not met.

In one possible embodiment, the drive mechanism 4 comprises a motor 41 and a gear box 42, the motor 41 and the input end of the gear box 42 are in gear transmission connection, and the output end of the gear box 42 is in gear connection with an output shaft. The drive wheel 3 is connected to the output shaft. When the rotary driving base is used, the switch button of the rotary driving base is pressed, the driving motor 41 works to drive the input end gear to rotate, the high-speed rotation of the input end gear is converted into the low-speed rotation of the output end gear of the gear box 42 through the conversion of the gear box 42, the output end gear of the gear box 42 drives the output shaft to rotate, and the output shaft rotates to drive the driving wheel 3 to rotate.

In one possible embodiment, the horizontal support plate 11 is provided with through holes communicating with the cavity. The driving wheel 3 has a sheet body 32, the eccentric column 31 is connected to one surface of the sheet body 32, and a sleeve portion 33 is connected to the other surface of the sheet body 32. The sleeve part 33 is sleeved on the output shaft through the through hole. The cross section of the output shaft may be polygonal, and the internal groove of the sleeve portion 33 is also a corresponding polygon, when the sleeve portion 33 is mounted on the output shaft, the inside of the sleeve portion 33 is attached to the outside of the output shaft, and when the output shaft rotates, the sleeve portion 33 rotates synchronously with the output shaft, and does not slide relatively.

Example two

The application still provides a table tennis service robot subassembly simultaneously, includes: the service robot body 5 and the rotary drive base of the first embodiment. The service robot body 5 has a positioning groove 512 and a driving engagement groove 513. In a state that the ball dispenser is placed on the rotation driving base, the positioning post 2 is rotatably inserted into the positioning groove 512, and the eccentric post 31 is inserted into the driving matching groove 513. The driving mechanism 4 drives the driving wheel 3 to rotate so as to drive the ball dispenser body 5 to reciprocally rotate to adjust the ball dispensing direction. The table tennis service robot assembly provided by the application adds a positioning groove 512 and a driving matching groove 513 on the base of the existing table tennis toy, and is adapted to the rotary driving base in the application. During operation of the table tennis service robot assembly in the application, the service robot body 5 rotates in a cyclic and reciprocating mode along with the rotary driving base in the application, dynamic service is formed, training difficulty and interestingness are increased, and user experience is good. The rotary driving base and the service robot body 5 in the application are arranged in a split mode, and maintenance is convenient. When not needing the rotation of table tennis service robot subassembly, the rotary drive base of this application can dismantle, just can realize the service of single direction only using service robot body 5, when the rotation of table tennis service robot subassembly is needed, installs service robot body 5 in the rotary drive base of this application, can realize multi-direction service. And the rotary driving base can be suitable for various sports toys such as baseball transmitters, football transmitters and the like in the future. When the rotary driving base in the application adapts to different types of sports toys, the rotary driving base in the application can be adapted only by arranging the lower supporting part 511, the positioning groove 512 and the driving matching groove 513 on the lower supporting plate 51 of the existing sports toy, and the universality is strong.

In one possible embodiment, the tee body 5 has a lower support plate 51, and the lower support plate 51 is provided with a lower support 511, the driving engagement groove 513, and the positioning groove 512. The driving wheel 3 has a blade 32, and the eccentric column 31 is connected to the blade 32. In a state where the ball dispenser body 5 is placed on the rotation driving base, the lower support portion 511 is supported on the horizontal support plate 11, a gap is provided between the horizontal support plate 11 and the lower support plate 51, and the sheet 32 is positioned in the gap. When the rotary driving base works, the sheet body 32 on the driving wheel 3 can rotate, the sheet body 32 is arranged in the gap, a rotating space is reserved for the rotation of the sheet body 32, the lower support plate 51 of the ball dispenser body 5 and the horizontal support plate 11 of the rotary driving base are parallel in the horizontal direction, a gap is reserved in the middle, the ball dispenser body 5 and the rotary driving base cannot be interfered by the rotation of the sheet body 32, and the ball dispenser body 5 is stably supported on the rotary driving base and cannot incline.

In a possible embodiment, the lower support plate 51 is provided with a plurality of lower support portions 511, each of the lower support portions 511 is sequentially spaced along the circumferential direction of the lower support plate 51, and each of the lower support portions 511 extends along the edge of the lower support plate 51. The lower support plate 51 of the tee body 5 is supported on the horizontal support plate 11 of the rotation driving base with a gap in between, and the lower support portion 511 is supported on the horizontal support plate 11 of the rotation driving base at circumferential intervals so that the lower support plate 51 and the horizontal support plate 11 are horizontally parallel in the horizontal direction, so that the tee body 5 is stably supported on the rotation driving base without tilting. .

In a possible embodiment, a bearing 512a is installed in the positioning groove 512, and the positioning post 2 is inserted into an inner ring of the bearing 512 a. The bearing 512a supports the rotation of the rotating body, converts sliding friction into rolling friction, and has smaller friction force and smoother relative rotation.

In one possible embodiment, the table tennis service robot further comprises a screw service rack 6, wherein the screw service rack 6 is connected to the service robot body 5. The service robot body 5 has a service groove 52 and a ball striking mechanism 53, and the service groove 52 communicates with the screw ball feeding frame 6. The ball mechanism 53 has a ball bar 531, and the ball mechanism 53 can drive the ball bar 531 into the ball groove 52 to hit the ball. When the table tennis service robot is used, the table tennis service robot assembly is placed at the other end of a table tennis ball opposite to the user, the service groove 52 of the table tennis service robot assembly faces the direction of the user, the switch button of the rotary driving base is opened, and the rotary driving base drives the table tennis service robot assembly to rotate in a circulating and reciprocating mode. Then a plurality of table tennis balls are placed on the spiral ball feeding frame 6, the switch button of the ball feeder body 5 is turned on, the ball mechanism 53 drives the ball rod 531 to move so as to hit the ball in the ball feeding groove 52, under the action of gravity, the ball in the spiral ball feeding frame 6 falls into the ball feeding groove 52, the ball mechanism 53 drives the ball rod 531 to move so as to hit the ball rod 531, and the ball feeding mechanism cooperates with the rotation of the rotary driving base of the ball feeding machine to rotate circularly and reciprocally, so that a dynamic horizontal multi-angle continuous ball feeding state is formed. Dynamic multi-angle service is more difficult than single static service, and interest and playability are stronger, and the ball skills of users can be improved fast through training.

In one possible embodiment, the pachinko mechanism 53 includes: a housing 532. The push block 533 is slidably connected to the base 532, and the push block 533 is connected to the marble rod 531. The elastic member 534 is disposed between the base 532 and the push block 533 in a compressed state. The driving component 535 is disposed on the base 532, the driving component 535 has a driving member 535a and a swing rod 535b, the driving member 535a is in transmission connection with the swing rod 535b, and the pushing block 533 is located in the swing range of the swing rod 535 b. During the process that the driving component 535 drives the swing rod 535b to rotate, the swing rod 535b can stir the pushing block 533 to translate along the base 532 to compress the elastic component 534, and in the state that the swing rod 535b is separated from the pushing block 533, the elastic component 534 recovers deformation, and pushes the pushing block 533 to reset, so that the marble rod 531 ejects the ball. The working principle of the pachinko mechanism 53 is a mature prior art, and it is not an inventive point of the present application, and the present application will not describe it too much.

The above-disclosed preferred embodiments of the present application are provided only as an aid to the elucidation of the present application. The preferred embodiments are not exhaustive or to limit the application to the precise form 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 application and the practical application, to thereby enable others skilled in the art to best understand and utilize the application. This application is to be limited only by the claims and the full scope and equivalents thereof.

Claims

1. A rotary drive base, comprising:

the base body is provided with a cavity and a horizontal supporting plate;

2. The rotary drive base of claim 1, wherein the positioning post is located at a center of the horizontal support plate, and the drive wheel is disposed at an edge of the horizontal support plate.

3. The rotary drive mount of claim 1, wherein the drive mechanism comprises a motor and a gearbox, the motor and the input of the gearbox being geared together, the output of the gearbox being geared to an output shaft;

the drive wheel is connected to the output shaft.

4. A rotary drive base according to claim 3, wherein the horizontal support plate is provided with through holes communicating with the cavity;

5. A table tennis service robot assembly, comprising:

a rotary drive base according to any one of claims 1 to 4;

6. The table tennis serving device assembly according to claim 5, wherein the serving device body has a lower support plate on which a lower support portion, the drive engagement groove, and the positioning groove are provided;

7. The table tennis serving device assembly according to claim 6, wherein a plurality of lower support portions are provided on the lower support plate, each of the lower support portions being sequentially spaced apart along a circumferential direction of the lower support plate, each of the lower support portions extending along an edge of the lower support plate.

8. The table tennis ball serving device assembly according to claim 7, wherein a bearing is installed in the positioning groove, and the positioning post is inserted into an inner ring of the bearing.

9. The table tennis service robot assembly according to claim 5, further comprising a screw service rack, the screw service rack being connected to the service robot body;

10. The table tennis ball serving device assembly according to claim 9, wherein the pachinko mechanism comprises:

a base;