Table tennis ball picking device

Abstract

The invention discloses a table tennis ball picking device, which belongs to the technical field of table tennis ball collecting devices. The device comprises: a support frame; a rolling support part 1, which is rotatably connected to the support frame; a rolling support part 2, which is rotatably connected to the support frame and faces the rolling support part 1; a rolling wheel body 1, which is rotatably installed on the circumferential outer side of the rolling support part 1; a rolling wheel body 2, which is rotatably installed on the circumferential outer side of the rolling support part 2 and faces the rolling wheel body 1; an elastic rope 1, wherein a plurality of elastic ropes are circumferentially spaced and connected between the rolling wheel body 1 and the rolling wheel body 2 to form a storage cavity for storing table tennis balls, and a plurality of elastic ropes 1 form a circular arc-shaped ball picking assembly 1; a rotating mechanism, which is circumferentially rotatably installed in the storage cavity; an elastic rope 2, which is parallel to the elastic rope 1 and pulled between the connecting part 1 and the connecting part 2, and the elastic rope 2 can form a circular ball picking assembly with the circular arc-shaped ball picking assembly 1. The table tennis ball picking device of the invention is convenient for automatically picking up scattered table tennis balls.

Description

Technical Field

[0001] The invention relates to the technical field of table tennis ball collecting devices, and in particular to a table tennis ball picking device. Background Art

[0002] Table tennis players often have to train. During training, when a table tennis ball falls to the ground, they usually need to bend down to pick it up manually. However, manual picking up not only wastes time, but also the high frequency of bending down to pick up the ball easily causes manual fatigue, wastes the physical strength of the players, and causes the players to be unable to devote themselves to the sport of table tennis, which is not convenient for the players to continue high-intensity training. In addition, the table tennis ball picking device in the prior art is not convenient for picking up the table tennis ball, and it is easy to squeeze the table tennis ball in the process of picking up the table tennis ball, causing damage to the table tennis ball or affecting the use effect of the table tennis ball. Therefore, there is an urgent need for a ball picking device that is convenient for picking up scattered table tennis balls and avoids squeezing the table tennis balls in the process of picking up the table tennis balls and causing damage to the table tennis balls. Summary of the invention

[0003] The object of the present invention is to overcome at least one of the above-mentioned shortcomings of the prior art and to provide a table tennis ball picking device which is convenient for picking up scattered table tennis balls and avoids squeezing the table tennis balls and damaging them during the picking process.

[0004] The technical solution of the present invention to solve the above technical problems is as follows: a table tennis ball picking device, comprising:

[0005] Support frame;

[0006] A rolling support part 1, rotatably connected to the support frame;

[0007] The second rolling support part is rotatably connected to the support frame and is arranged opposite to the first rolling support part;

[0008] A rolling wheel body 1, rotatably mounted on the circumferential outer side of the rolling support portion 1;

[0009] The second rolling wheel body is rotatably mounted on the outer side of the second rolling support part in the circumferential direction and is arranged opposite to the first rolling wheel body;

[0010] A plurality of elastic ropes 1 are provided, and the plurality of elastic ropes 1 are sequentially circumferentially spaced and stretched between the rolling wheel body 1 and the rolling wheel body 2 to define a storage cavity for storing table tennis balls, and the plurality of elastic ropes 1 constitute an arc-shaped ball picking assembly 1, and a ball placing opening for placing balls is defined between the first elastic rope 1 and the last elastic rope 1 in the arc-shaped ball picking assembly 1;

[0011] A rotating mechanism is circumferentially mounted in the storage cavity, wherein one end of the rotating mechanism close to the rolling support part one is provided with a connecting part one, and one end of the rotating mechanism close to the rolling support part two is provided with a connecting part two, and the connecting part two is arranged opposite to the connecting part one;

[0012] The elastic rope 2 is parallel to the elastic rope 1 and is tautly connected between the connection part 1 and the connection part 2. When the elastic rope 2 is rotated to the position of the ball release opening, the elastic rope 2 can block the ball release opening and form a circular ball picking assembly with the arc-shaped ball picking assembly 1. A plurality of goal gaps are formed on the circular ball picking assembly. The goal gaps are smaller than the diameter of the ping-pong ball. When the circular ball picking assembly squeezes the ping-pong ball downward, the squeezed ping-pong ball can enter the storage cavity from the goal gaps.

[0013] The beneficial effects of the present invention are as follows: the rolling support part 1 and the rolling support part 2 in the present embodiment are arranged opposite to each other, the rolling wheel body 1 and the rolling wheel body 2 are respectively arranged on the circumferential outer sides of the rolling support part 1 and the rolling support part 2 and are arranged opposite to each other, so that the table tennis ball picking device forms a roller structure, which is convenient for rolling on the ground; a storage cavity is defined between the rolling support part 1 and the rolling support part 2 and the plurality of elastic ropes 1 and is provided with a ball release opening, and the elastic rope 2 between the connecting part 1 and the connecting part 2 can close and open the ball release opening under the rotation of the rotating mechanism, so as to facilitate uniformly picking up and releasing the table tennis balls; the plurality of elastic ropes 1 and the elastic ropes 2 in the present embodiment are all tightened and connected, and the goal gap is smaller than the diameter of the table tennis balls, the plurality of elastic ropes 1 and the elastic ropes 2 are elastic so that the table tennis balls will not be crushed when they are squeezed into the storage cavity, and the table tennis balls will not fall out when the goal opening is not opened, so the picked table tennis balls can be reliably stored.

[0014] In addition, based on the above technical solution, the present invention can also make the following improvements and can also have the following additional technical features.

[0015] According to one embodiment of the present invention, the rotating mechanism comprises:

[0016] A double-headed rotating motor is installed between the rolling support part 1 and the rolling support part 2, the rotating shaft 1 is connected to one end of the double-headed rotating motor, the rotating shaft 2 is connected to the other end of the double-headed rotating motor, the rotating shaft 1 extends toward the rolling support part 1 and is rotatably connected to the rolling support part 1, the center line of the rotating shaft 1 passes through the center of the rolling support part 1, the rotating shaft 2 is connected to the other end of the double-headed rotating motor, the rotating shaft 2 extends toward the rolling support part 2 and is rotatably connected to the rolling support part 2, and the center line of the rotating shaft 2 passes through the center of the rolling support part 2;

[0017] A ball pushing plate, the ball pushing plate is connected to the rotating shaft one and is located in the storage cavity, and the ball pushing plate can move circumferentially in the storage cavity under the drive of the rotating shaft one.

[0018] In this embodiment, a double-headed rotating motor is provided, and a ball pushing plate is connected to rotating shaft one, which facilitates the ball pushing plate to move circumferentially in the storage cavity driven by rotating shaft one, thereby pushing the table tennis ball in the storage cavity, so that the picked table tennis ball can fall out of the storage cavity quickly when the goal opening is opened, thereby improving the ball picking efficiency of the table tennis ball picking device and saving ball releasing time.

[0019] According to one embodiment of the present invention, the table tennis ball picking device further comprises:

[0020] A control module, mounted on the second rolling support portion, for controlling the double-headed rotating motor;

[0021] A power supply module is installed on the second rolling support part, and the double-headed rotating motor and the control module are respectively connected to the power supply module.

[0022] In this embodiment, by providing a control module and a power module, it is convenient to control the double-headed rotating motor through the control module, and then to automatically control the table tennis ball picking device through the control module, and to provide power to the table tennis ball picking device through the power module.

[0023] According to an embodiment of the present invention, the connecting portion 1 is a fan-shaped structure, the connecting portion 1 is located outside the rolling support portion 1, the connecting portion 1 includes a rotating connecting end 1, an arc-shaped support end 1 and a sliding support block 1, the rotating connecting end 1 is connected to the rotating shaft 1, the arc-shaped support end 1 is connected to the rotating connecting end 1, the rolling wheel body 1 and the rolling support portion 1 have a gap to form a circular ring-shaped opening 1, the side of the rolling wheel body 1 facing the rolling support portion 1 is provided with a circular ring-shaped support slide groove 1, the sliding support block 1 is connected to the arc-shaped support end 1 and extends radially outward, and the sliding support block 1 is slidably installed in the circular ring-shaped support slide groove 1;

[0024] The second connecting part is in a fan-shaped structure, the second connecting part is located outside the second rolling support part, the second connecting part includes a second rotating connecting end, a second arc-shaped support end and a second sliding support block, the second rotating connecting end is connected to the second rotating shaft, the second arc-shaped support end is connected to the second rotating connecting end, the second rolling wheel body and the second rolling support part have a gap to form a second circular ring-shaped opening, the second rolling wheel body is provided with a second circular ring-shaped support groove on the side facing the second rolling support part, the second sliding support block is connected to the second arc-shaped support end and extends radially outward, and the second sliding support block is slidably installed in the second circular ring-shaped support groove;

[0025] The two ends of the second elastic rope are respectively connected to the first sliding support block and the second sliding support block, and the two ends of the second elastic rope pass through the first circular opening and the second circular opening respectively.

[0026] The connecting part 1 and the connecting part 2 in the present embodiment are fan-shaped structures, and multiple elastic ropes 2 are conveniently installed between the arc-shaped arc-shaped support end 1 and the arc-shaped support end 2. The sliding support block 1 and the sliding support block 2 are slidably installed in the circular ring support slide groove 1 and the circular ring support slide groove 2 respectively, so that the connecting part 1 and the connecting part 2 can play a supporting role while sliding, and can limit the sliding support block 1 and the sliding support block 2 in the lateral direction; in addition, the connecting part 1 and the connecting part 2 are respectively connected to the rotating shaft 1 and the rotating shaft 2 of the double-headed rotating motor, and the connecting part 1 and the connecting part 2 can rotate synchronously under the drive of the double-headed rotating motor, so that the multiple elastic ropes 2 remain in a parallel state, ensuring that the goal gaps between the multiple elastic ropes 2 remain unchanged, which is convenient for picking up table tennis balls and preventing table tennis balls from falling out of the storage cavity; further, in the present embodiment, the circular ring-shaped opening 1 and the circular ring-shaped opening 2 are provided to facilitate the passage of the elastic rope 2, so that the elastic rope 2 is not hindered when performing circular rotation.

[0027] According to an embodiment of the present invention, the rolling support part 1 is a disc-shaped structure, and a sliding avoidance groove 1 is provided on the outer side of one end of the rolling support part 1 close to the rolling wheel body 1, and the arc-shaped support end 1 is slidably connected in the sliding avoidance groove 1;

[0028] The second rolling support part is a disc-shaped structure, and a second sliding avoidance groove is provided on the outer side of one end of the second rolling support part close to the second rolling wheel body, and the second arc-shaped support end is slidably connected in the second sliding avoidance groove.

[0029] The rolling support part 1 and the rolling support part 2 in the present embodiment are disc-shaped structures, which is convenient for the rolling of the table tennis ball picking device; and the arc support end 1 and the arc support end 2 can slide in the sliding avoidance groove 1 and the sliding avoidance groove 2 respectively, which is convenient for the rotation of the arc support end 1 and the arc support end 2, thereby increasing the stability of the table tennis ball picking device when rolling; further, by providing the sliding avoidance groove 1 on the outer side of the rolling support part 1 and the sliding avoidance groove 2 on the outer side of the rolling support part 2, it is beneficial for the arc support end 1 and the arc support end 2 to be arranged against one side of the storage cavity, and it is beneficial for the arc support end 1 to block the arc support end 1 on the outside, and it is beneficial for the arc support end 2 to block the arc support end 2 on the outside, thereby preventing the table tennis ball in the storage cavity from falling out of the circular ring-shaped opening 1 and the circular ring-shaped opening 2.

[0030] According to an embodiment of the present invention, the elastic rope 2 is provided with a plurality of circumferentially spaced apart. In this embodiment, the elastic rope 2 is provided with a plurality of circumferentially spaced apart. The plurality of elastic ropes 2 can increase the area of ​​the ball release opening, thereby facilitating the setting of the ball release opening to a wider width, thereby facilitating the rapid fall of the plurality of table tennis balls in the storage cavity from the goal opening when the ball release opening is opened, thereby improving the ball release efficiency.

[0031] According to an embodiment of the present invention, the plurality of elastic ropes 1 are circumferentially equidistantly spaced and tightened to be connected between the rolling wheel body 1 and the rolling wheel body 2. The plurality of elastic ropes 1 in this embodiment are equidistantly arranged to make each goal gap have the same width, so that the table tennis ball can enter the storage cavity well when encountering any goal gap, which is beneficial to the stability of the table tennis ball picking device picking up the ball.

[0032] According to an embodiment of the present invention, friction structures are respectively provided on the wheel surfaces of the first rolling wheel body and the second rolling wheel body. In this embodiment, by providing friction structures on the wheel surfaces of the first rolling wheel body and the second rolling wheel body, the friction coefficient between the wheel surface and the ground is increased, so that the table tennis ball can be subjected to greater resistance when pressed into the storage cavity, and the table tennis ball picking device is prevented from slipping due to the squeezing of the table tennis ball during the process of picking up the ball, thereby affecting the picking up effect of the table tennis ball picking device.

[0033] According to one embodiment of the present invention, the table tennis ball picking device further comprises:

[0034] A balancing support rod is obliquely connected to the support frame and is located on the circumferential outside of the rolling wheel body 1 and the rolling wheel body 2. The balancing support rod has a U-shaped structure. The balancing support rod includes a supporting portion and two connecting portions respectively connected to the two ends of the supporting portion. The two connecting portions are connected to the support frame, and the balancing support rod is located on the lower side of the rolling wheel body 1 and the rolling wheel body 2.

[0035] In this embodiment, a balancing support rod is provided. When the table tennis ball picking device is not in use, the balancing support rod can be used to support the table tennis ball picking device so that the table tennis ball picking device can remain upright, which is convenient for placing the table tennis ball picking device and prevents the table tennis ball picking device from rolling out of the placement position due to external forces not caused by human intervention.

[0036] According to one embodiment of the present invention, the table tennis ball picking device further comprises:

[0037] A push rod, one end of which is connected to the support frame, and the other end of which extends obliquely upward to form a handheld end;

[0038] A power switch is mounted on the handheld end of the push rod, and the power switch is connected to the power module via a cable;

[0039] A motor switch is mounted on the handheld end of the push rod, and the motor switch is connected to the double-headed rotating motor through a cable.

[0040] In this embodiment, a push rod is connected to the support frame, and a power switch and a motor switch are installed on the handheld end of the push rod, so that the table tennis ball picking device is easy to operate when used manually, and the power switch is convenient for powering on and off the table tennis ball picking device, which can save power; in addition, the motor switch in this embodiment is convenient for controlling the double-headed rotating motor, which is beneficial to controlling the rotating mechanism through the motor switch to open and close the ball release opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the technical solutions in the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0042] Figure 1 A schematic structural diagram of a table tennis ball picking device according to an embodiment of the present invention;

[0043] Figure 2 for Figure 1 A front view of the table tennis ball picking device after it is straightened;

[0044] Figure 3 for Figure 2 A right side view of the table tennis ball picking device;

[0045] Figure 4 It is a partial cross-sectional view of a table tennis ball picking device according to an embodiment of the present invention.

[0046] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0047] 1. Support frame, 2. Rolling support part 1, 3. Rolling support part 2, 4. Rolling wheel body 1, 5. Rolling wheel body 2, 6. Elastic rope 1, 7. Rotating shaft 1, 8. Connecting part 1, 9. Connecting part 2, 10. Balance support rod, 11. Push rod, 21. Sliding avoidance groove 1, 22. Limiting circular ring protrusion 1, 23. Nut 1, 31. Sliding avoidance groove 2, 32. Limiting circular ring protrusion 2, 33. Nut 2, 34. Control module, 35. Power module, 40. Embossing 1, 41. Installation Mounting groove one, 50, embossing two, 51, mounting groove two, 70, double-head rotating motor, 71, ball push plate, 72, limiter, 80, arc-shaped support end one, 81, elastic rope two, 90, arc-shaped support end two, 111, wire, 112, motor switch, 113, power switch, 114, dust cover, 115, anti-slip part, 221, circular support slide groove one, 321, circular support slide groove two, 701, rotating shaft two, 801, sliding support block one, 901, sliding support block two. DETAILED DESCRIPTION

[0048] In order to make the objectives, technical solutions and advantages of the present application clearer, the implementation methods of the present application will be further described in detail below with reference to the accompanying drawings.

[0049] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0050] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0051] This embodiment provides a table tennis ball picking device, such as Figures 1 to 4 As shown, including:

[0052] Support frame 1;

[0053] A rolling support part 2 is rotatably connected to the support frame 1;

[0054] The rolling support part 2 3 is rotatably connected to the support frame 1 and is arranged opposite to the rolling support part 1 2;

[0055] A rolling wheel body 4 is rotatably mounted on the outer circumferential side of the rolling support part 2;

[0056] The second rolling wheel body 5 is rotatably mounted on the outer side of the second rolling support part 3 in the circumferential direction and is arranged opposite to the first rolling wheel body 4;

[0057] There are multiple elastic ropes 6, which are circumferentially spaced and tightened between the rolling wheel body 1 4 and the rolling wheel body 2 5 to define a storage cavity for storing table tennis balls. The multiple elastic ropes 6 constitute an arc-shaped ball picking assembly 1, and a ball placing opening for placing balls is defined between the first elastic rope 6 and the last elastic rope 6 in the arc-shaped ball picking assembly 1.

[0058] A rotating mechanism is circumferentially mounted in the storage cavity, and a connecting portion 8 is provided at one end of the rotating mechanism close to the rolling support portion 2, and a connecting portion 29 is provided at one end of the rotating mechanism close to the rolling support portion 23, and the connecting portion 29 is arranged opposite to the connecting portion 18;

[0059] The elastic rope 2 81 is parallel to the elastic rope 1 6 and is tautly connected between the connection part 1 8 and the connection part 2 9. When the elastic rope 2 81 rotates to the position of the ball release opening, the elastic rope 2 81 can block the ball release opening and form a circular ball picking assembly with the arc-shaped ball picking assembly 1. A plurality of goal gaps are formed on the circular ball picking assembly. The goal gaps are smaller than the diameter of the ping-pong ball. When the circular ball picking assembly squeezes the ping-pong ball downward, the squeezed ping-pong ball can enter the storage cavity from the goal gaps.

[0060] In this embodiment, if Figures 1 to 4 As shown, the rolling support part 1 2 and the rolling support part 2 3 are arranged opposite to each other, and the rolling wheel body 1 4 and the rolling wheel body 2 5 are respectively arranged on the circumferential outer side of the rolling support part 1 2 and the rolling support part 2 3 and are arranged opposite to each other, so that the table tennis ball picking device forms a roller structure, which is convenient for rolling on the ground; the rolling support part 1 2 and the rolling support part 2 3 and the plurality of elastic ropes 1 6 define a storage cavity and are provided with a ball release opening, and the elastic rope 2 81 between the connecting part 1 8 and the connecting part 2 9 can close and open the ball release opening under the rotation of the rotating mechanism, so as to facilitate the unified picking up and releasing of the table tennis balls; the plurality of elastic ropes 1 6 and the elastic rope 2 81 in this embodiment are all tightened and connected, and the goal gap is smaller than the diameter of the table tennis ball. The plurality of elastic ropes 1 6 and the elastic rope 2 81 are elastic so that the table tennis ball will not be crushed when it is squeezed into the storage cavity, and the table tennis ball will not fall out when the goal opening is not opened, so the picked table tennis ball can be reliably stored.

[0061] In this embodiment, if Figures 1 to 4As shown, the support frame 1 is a U-shaped structure, and the support frame 1 includes a support part and two connecting ends 1 and 2 connected at both ends of the support part. The rolling support part 1 2 and the rolling support part 2 3 are disc-shaped structures, and the two ends of the support frame 1 are respectively connected to the center parts of the rolling support part 2 and the rolling support part 2 3; further, the circumferential outer side of the rolling support part 2 is provided with a recessed sliding avoidance groove 21, the inner side of the rolling wheel body 4 is provided with a limiting circular annular protrusion 22, the axial outer side of the rolling wheel body 4 is provided with a mounting groove 41, and a plurality of circular through holes 1 are circumferentially provided in the mounting groove 41, and one end of the elastic rope 6 passes through the circular through hole 1 and is connected to the mounting groove 41; the circumferential outer side of the rolling support part 2 3 is provided with a recessed sliding avoidance groove 2 31, a limiting annular protrusion 2 32 is provided on the inner side of the rolling wheel body 2 5, a mounting groove 2 51 is provided on the axial outer side of the rolling wheel body 2 5, a plurality of circular through holes 2 are provided in the circumferential direction of the mounting groove 2 51, the other end of the elastic rope 1 6 passes through the circular through hole 2 and is connected to the mounting groove 2 51; the goal gap on the circular ball picking assembly includes a goal gap 1 defined by the elastic rope 1 6 and the elastic rope 1 6, a goal gap 2 defined by the elastic rope 1 6 and the elastic rope 2 81, and a goal gap 3 defined by the elastic rope 2 81 and the elastic rope 2 81; in addition, the elastic rope 1 6 and the elastic rope 2 81 in this embodiment can be made of a variety of materials to facilitate the generation of elastic force, and further, the support frame 1 can also be set to other structures.

[0062] In this embodiment, if Figures 1 to 4 As shown, the rotating mechanism includes:

[0063] A double-headed rotary motor 70 is installed between the rolling support part 1 2 and the rolling support part 2 3. A rotary shaft 1 7 is connected to one end of the double-headed rotary motor 70. A rotary shaft 2 701 is connected to the other end of the double-headed rotary motor 70. The rotary shaft 1 7 extends toward the rolling support part 1 2 and is rotatably connected to the rolling support part 1 2. The center line of the rotary shaft 1 7 passes through the center of the rolling support part 1 2. A rotary shaft 2 701 is connected to the other end of the double-headed rotary motor 70. The rotary shaft 2 701 extends toward the rolling support part 2 3 and is rotatably connected to the rolling support part 2 3. The center line of the rotary shaft 2 701 passes through the center of the rolling support part 2 3.

[0064] The ball pushing plate 71 is connected to the rotating shaft 7 and is located in the storage cavity. The ball pushing plate 71 can move circumferentially in the storage cavity under the drive of the rotating shaft 7.

[0065] In this embodiment, if Figures 1 to 4As shown, by providing a double-headed rotating motor 70 and connecting a ball pushing plate 71 to a rotating shaft 7, the ball pushing plate is facilitated to move circumferentially in the storage cavity driven by the rotating shaft 7, thereby pushing the table tennis ball in the storage cavity, so that the picked table tennis ball can be quickly dropped out of the storage cavity when the goal opening is opened, thereby improving the ball picking efficiency of the table tennis ball picking device and saving ball releasing time.

[0066] In this embodiment, if Figures 1 to 4 As shown, the double-headed rotating motor 70 is fixedly installed on the inner side of the rolling support part 23, and a rotating shaft 7 is provided at one end of the double-headed rotating motor 70. One end of the rotating shaft 7 is connected to the double-headed rotating motor 70, and the other end is connected to the rolling support part 2. A limiting member 72 is provided on the end of the rotating shaft 7 close to the inner side of the rolling support part 2. The limiting member 72 can block the inner side of the rolling support part 2 in the axial direction and limit the rolling support part 2. A rotating shaft 2 701 is provided at the other end of the double-headed rotating motor 70, and the rotating shaft 2 701 is located on the outer side of the rolling support part 23; a ball pushing plate 71 is provided on the rotating shaft 7, and a rectangular avoidance opening is provided on the side of the ball pushing plate 71 close to the double-headed rotating motor 70, and the ball pushing plate 71 can avoid the body of the double-headed rotating motor 70 when rotating. Furthermore, the rotating mechanism in this embodiment can also be set to other structures, and the rotating mechanism is convenient for driving the elastic rope 81 to rotate and block the ball release opening; in addition, the specific structure of the double-headed rotating motor 70 in this embodiment can refer to the double-headed motor in the prior art, and will not be described in detail here.

[0067] In this embodiment, if Figures 1 to 4 As shown, the table tennis ball picking device also includes:

[0068] A control module 34, mounted on the rolling support part 2 3, for controlling the double-headed rotating motor 70;

[0069] The power module 3535 is installed on the rolling support part 2 3, and the double-headed rotating motor 70 and the control module 34 are respectively connected to the power module 3535.

[0070] In this embodiment, if Figures 1 to 4 As shown, by providing the control module 34 and the power module 3535, it is convenient to control the double-headed rotating motor 70 through the control module 34, and then it is convenient to automatically control the table tennis ball picking device through the control module 34, and it is convenient to provide power to the table tennis ball picking device through the power module 3535. Further, the control module 34 is specifically installed on the inner side of the rolling support part 2 3, and the power module 3535 is specifically installed on the inner side of the rolling support part 2 3. The control module 34 and the power module 3535 can also be installed in other positions.

[0071] In this embodiment, if Figures 1 to 4As shown, the connection part 8 is a fan-shaped structure, the connection part 8 is located outside the rolling support part 2, the connection part 8 includes a rotating connection end 1, an arc-shaped support end 80 and a sliding support block 801, the rotating connection end 1 is connected to the rotating shaft 7, the arc-shaped support end 80 is connected to the rotating connection end 1, the rolling wheel body 4 and the rolling support part 2 have a gap to form a circular ring-shaped opening 1, the rolling wheel body 4 is provided with a circular ring-shaped support groove 221 on the side facing the rolling support part 2, the sliding support block 801 is connected to the arc-shaped support end 80 and extends radially outward, and the sliding support block 801 is slidably installed in the circular ring-shaped support groove 221;

[0072] The second connection part 9 is a fan-shaped structure, and the second connection part 9 is located outside the second rolling support part 3. The second connection part 9 includes a second rotating connection end, a second arc-shaped support end 90, and a first sliding support block 901. The second rotating connection end is connected to the second rotating shaft 701, and the second arc-shaped support end 90 is connected to the second rotating connection end. The second rolling wheel body 5 and the second rolling support part 3 have a gap to form a second circular ring-shaped opening. The second rolling wheel body 5 is provided with a second circular ring-shaped support groove 321 on the side facing the second rolling support part 3. The first sliding support block 901 is connected to the second arc-shaped support end 90 and extends radially outward. The first sliding support block 901 is slidably installed in the second circular ring-shaped support groove 321.

[0073] The two ends of the second elastic rope 81 are connected to the first sliding support block 801 and the first sliding support block 901 respectively, and the two ends of the second elastic rope 81 pass through the first circular opening and the second circular opening respectively.

[0074] In this embodiment, if Figures 1 to 4 As shown, the connection part 1 8 and the connection part 2 9 are fan-shaped structures, and multiple elastic ropes 2 are conveniently installed between the arc-shaped arc support end 1 80 and the arc support end 2 90. The sliding support block 1 801 and the sliding support block 1 901 are slidably installed in the circular support groove 1 221 and the circular support groove 2 321, respectively, so that the connection part 1 8 and the connection part 2 9 can play a supporting role while sliding, and can limit the sliding support block 1 801 and the sliding support block 1 901 in the lateral direction; in addition, the connection part 1 8 and the connection part 2 The connecting part 1 8 and the connecting part 2 9 are respectively connected to the rotating shaft 1 7 and the rotating shaft 2 701 of the double-headed rotating motor 70. The connecting part 1 8 and the connecting part 2 9 can rotate synchronously under the drive of the double-headed rotating motor 70, so that the multiple elastic ropes 2 81 remain in a parallel state, ensuring that the goal gaps between the multiple elastic ropes 2 81 remain unchanged, making it easy to pick up the table tennis balls and prevent the table tennis balls from falling out of the storage cavity; further, in this embodiment, by providing the circular ring-shaped opening 1 and the circular ring-shaped opening 2, the passage of the elastic rope 2 is facilitated, so that the elastic rope 2 is not hindered when performing a circular arc rotation.

[0075] In this embodiment, if Figures 1 to 4 As shown, one end of the rotating shaft 7 away from the double-headed rotating motor 70 passes through the connecting end 1 of the support frame 1, and the part of the rotating shaft 7 passing through the connecting end 1 is provided with an external thread 1, and the external thread 1 is threadedly connected to a nut 23, and the nut 23 limits the connecting part 8 between the rolling support part 2 and the connecting end 1; one end of the rotating shaft 2 701 away from the double-headed rotating motor 70 passes through the connecting end 2 of the support frame 1, and the part of the rotating shaft 2 701 passing through the connecting end 2 is provided with an external thread 2, and the external thread 2 is threadedly connected to a nut 2 33, and the nut 2 33 limits the connecting part 2 9 between the rolling support part 2 3 and the connecting end 2. Furthermore, two elastic ropes 2 81 are installed between the sliding support block 1 801 and the sliding support block 1 901 in this embodiment. Correspondingly, two circular through holes are respectively provided on the sliding support block 1 801 and the sliding support block 1 901, and the two ends of the elastic rope 2 81 pass through the circular through holes respectively; in addition, the elastic rope 2 81 can also be installed between the sliding support block 1 801 and the sliding support block 1 901 by other means.

[0076] In this embodiment, if Figure 1 , Figure 4 As shown, the rolling support part 12 is a disc-shaped structure, and a sliding avoidance groove 121 is provided on the outer side of one end of the rolling support part 12 close to the rolling wheel body 14, and the arc-shaped support end 180 is slidably connected in the sliding avoidance groove 121;

[0077] The rolling support part 2 3 is a disc-shaped structure. A sliding avoidance groove 2 31 is provided on the outer side of one end of the rolling support part 2 3 close to the rolling wheel body 2 5 , and the arc-shaped support end 2 90 is slidably connected in the sliding avoidance groove 2 31 .

[0078] In this embodiment, if Figure 1 , Figure 4 As shown, the rolling support part 1 2 and the rolling support part 2 3 are disc-shaped structures, which is convenient for the rolling of the table tennis ball picking device; and the arc support end 1 80 and the arc support end 2 90 can slide in the sliding avoidance groove 1 21 and the sliding avoidance groove 2 31 respectively, which is convenient for the arc support end 1 80 and the arc support end 2 90 to rotate, thereby increasing the stability of the table tennis ball picking device when rolling; further, by providing a sliding avoidance groove 1 21 on the outer side of the rolling support part 1 2 and by providing a sliding avoidance groove 2 31 on the outer side of the rolling support part 2 3, it is beneficial for the arc support end 1 80 and the arc support end 2 90 to be arranged against one side of the storage cavity, which is beneficial for the arc support end 1 80 to block the arc support end 1 80 on the outside, and for the arc support end 2 90 to block the arc support end 2 90 on the outside, thereby preventing the table tennis ball in the storage cavity from falling out of the circular ring-shaped opening 1 and the circular ring-shaped opening 2.

[0079] In this embodiment, if Figure 1 , Figure 4As shown, multiple elastic ropes 81 are provided at intervals in the circumferential direction. In this embodiment, multiple elastic ropes 81 are provided at intervals in the circumferential direction. Multiple elastic ropes 81 can increase the area of ​​the ball release opening, so that the ball release opening can be set to a wider width, and then multiple table tennis balls located in the storage cavity can be quickly dropped out of the ball release opening when the ball release opening is opened, thereby improving the ball release efficiency.

[0080] In this embodiment, if Figure 1 , Figure 4 As shown, two elastic ropes 81 are provided at intervals in the circumferential direction; in addition, the elastic rope 81 in this embodiment can also be provided with one, three or other numbers of ropes, so that the ping-pong ball can pass through when the goal opening is open.

[0081] In this embodiment, if Figures 1 to 4 As shown, a plurality of elastic ropes 1 6 are circumferentially equidistantly spaced and tightened and connected between the rolling wheel body 1 4 and the rolling wheel body 2 5. In this embodiment, the plurality of elastic ropes 1 6 are equidistantly arranged so that each goal gap has the same width, so that the table tennis ball can enter the storage cavity well when encountering any goal gap, which is beneficial to the stability of the table tennis ball picking device.

[0082] In this embodiment, if Figures 1 to 4 As shown, friction structures are respectively provided on the wheel surfaces of the rolling wheel body 1 4 and the rolling wheel body 2 5. In this embodiment, by providing friction structures on the wheel surfaces of the rolling wheel body 1 4 and the rolling wheel body 2 5, the friction coefficient between the wheel surface and the ground is increased, so that the table tennis ball can be subjected to greater resistance when pressed into the storage cavity, and the rolling wheel body 1 4 and the rolling wheel body 2 5 are prevented from slipping due to the squeezing of the table tennis ball during the process of picking up the table tennis ball, thereby affecting the picking up effect of the table tennis ball picking up device.

[0083] In this embodiment, if Figures 1 to 4 As shown, the friction structure arranged on the rolling wheel body 1 4 is embossing 1 40, and the friction structure arranged on the rolling wheel body 2 5 is embossing 2 50. In addition, the embossing 1 40 and the embossing 2 50 in this embodiment are both concave embossings, and the friction structure can be set to other structures.

[0084] In this embodiment, if Figures 1 to 4 As shown, the table tennis ball picking device also includes:

[0085] The balancing support rod 10 is obliquely connected to the support frame 1 and is located on the circumferential outside of the rolling wheel body 1 4 and the rolling wheel body 2 5. The balancing support rod 10 has a U-shaped structure. The balancing support rod 10 includes a supporting portion and two connecting portions respectively connected to the two ends of the supporting portion. The two connecting portions are connected to the support frame 1, and the balancing support rod 10 is located on the lower side of the rolling wheel body 1 4 and the rolling wheel body 2 5.

[0086] In this embodiment, if Figures 1 to 4 As shown, a balancing support rod 10 is provided. When the table tennis ball picking device is not in use, the balancing support rod 10 can be used to support the table tennis ball picking device, so that the table tennis ball picking device can remain upright, which is convenient for placing the table tennis ball picking device and prevents the table tennis ball picking device from rolling out of the placement position due to external forces not caused by human intervention. Furthermore, the balancing support rod 10 in this embodiment can also be set to other structures.

[0087] In this embodiment, if Figures 1 to 4 As shown, the table tennis ball picking device also includes:

[0088] A push rod 11, one end of the push rod 11 is connected to the support frame 1, and the other end of the push rod 11 extends obliquely upward to form a handheld end;

[0089] A power switch 113 is mounted on the handheld end of the push rod 11, and the power switch 113 is connected to the power module 3535 via a cable;

[0090] The motor switch 112 is mounted on the hand-held end of the push rod 11 , and the motor switch 112 is connected to the double-headed rotary motor 70 via a cable.

[0091] In this embodiment, if Figures 1 to 4 As shown, by connecting the push rod 11 to the support frame 1, and installing a power switch 113 and a motor switch 112 on the handheld end of the push rod 11, the table tennis ball picking device is easy to operate when used manually, and the power switch 113 is convenient for powering on and off the table tennis ball picking device, which can save power; in addition, the motor switch 112 in this embodiment is convenient for controlling the double-headed rotating motor 70, which is beneficial to controlling the rotating mechanism through the motor switch 112 to open and close the ball release opening.

[0092] In this embodiment, if Figures 1 to 4 As shown, a wire 111 extends out from one end of the push rod 11 close to the support frame 1, and the wire 111 is connected to the control module 34 and the power module 3535. An anti-slip part 115 is provided on the handheld end of the push rod 11, and a power switch 113 and a motor switch 112 are arranged side by side in the push rod 11 below the anti-slip part 115. A dust cover 114 is provided on the outer side of the power switch and the motor switch 112; in addition, the anti-slip part 115 in this embodiment can be set to a variety of materials for anti-slip, and the setting position of the power switch 113 and the motor switch 112 can also be set to be arranged up and down or in other arrangements for easy operation. Further, the specific structures of the power switch 113 and the motor switch 112 in this embodiment can refer to the prior art and will not be repeated here.

[0093] In addition, in addition to the technical solutions disclosed in this embodiment, the structures and working principles of the double-headed rotating motor, control module and power module in the present invention can refer to the conventional technical solutions in this technical field, and these conventional technical solutions are not the focus of the present invention, and the present invention will not describe them in detail.

[0094] In the present invention, the term "plurality" refers to two or more than two, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0095] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore, cannot be understood as a limitation on the present application.

[0096] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0097] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A table tennis ball picking device, characterized in that: include: Support frame; A rolling support part 1, rotatably connected to the support frame; The second rolling support part is rotatably connected to the support frame and is arranged opposite to the first rolling support part; A rolling wheel body 1, rotatably mounted on the circumferential outer side of the rolling support portion 1; The second rolling wheel body is rotatably mounted on the outer side of the second rolling support part in the circumferential direction and is arranged opposite to the first rolling wheel body; A plurality of elastic ropes 1 are provided, and the plurality of elastic ropes 1 are sequentially circumferentially spaced and stretched between the rolling wheel body 1 and the rolling wheel body 2 to define a storage cavity for storing table tennis balls, and the plurality of elastic ropes 1 constitute an arc-shaped ball picking assembly 1, and a ball placing opening for placing balls is defined between the first elastic rope 1 and the last elastic rope 1 in the arc-shaped ball picking assembly 1; A rotating mechanism is circumferentially mounted in the storage cavity, wherein one end of the rotating mechanism close to the rolling support part one is provided with a connecting part one, and one end of the rotating mechanism close to the rolling support part two is provided with a connecting part two, and the connecting part two is arranged opposite to the connecting part one; The second elastic rope is parallel to the first elastic rope and is tautly connected between the first connection part and the second connection part. When the second elastic rope is rotated to the position of the ball release opening, the second elastic rope can block the ball release opening and form a circular ball pick-up assembly with the first arc-shaped ball pick-up assembly. A plurality of goal gaps are formed on the circular ball pick-up assembly. The goal gaps are smaller than the diameter of the table tennis ball. When the circular ball pick-up assembly squeezes the table tennis ball downward, the squeezed table tennis ball can enter the storage cavity from the goal gaps. The rotating mechanism comprises: A double-headed rotating motor is installed between the rolling support part 1 and the rolling support part 2, one end of the double-headed rotating motor is connected to a rotating shaft 1, the other end of the double-headed rotating motor is connected to a rotating shaft 2, the rotating shaft 1 extends toward the rolling support part 1 and is rotatably connected to the rolling support part 1, the center line of the rotating shaft 1 passes through the center of the rolling support part 1, the other end of the double-headed rotating motor is connected to the rotating shaft 2, the rotating shaft 2 extends toward the rolling support part 2 and is rotatably connected to the rolling support part 2, the center line of the rotating shaft 2 passes through the center of the rolling support part 2; A ball pushing plate, the ball pushing plate is connected to the rotating shaft 1 and is located in the storage cavity, and the ball pushing plate can perform circumferential motion in the storage cavity under the drive of the rotating shaft 1; Also includes: A control module, mounted on the second rolling support portion, for controlling the double-headed rotating motor; A power module is installed on the second rolling support part, and the double-headed rotating motor and the control module are respectively connected to the power module; The connecting portion 1 is a fan-shaped structure, the connecting portion 1 is located outside the rolling support portion 1, the connecting portion 1 includes a rotating connecting end 1, an arc-shaped supporting end 1 and a sliding supporting block 1, the rotating connecting end 1 is connected to the rotating shaft 1, the arc-shaped supporting end 1 is connected to the rotating connecting end 1, the rolling wheel body 1 and the rolling support portion 1 have a gap to form a circular ring-shaped opening 1, the side of the rolling wheel body 1 facing the rolling support portion 1 is provided with a circular ring-shaped supporting groove 1, the sliding supporting block 1 is connected to the arc-shaped supporting end 1 and extends radially outward, and the sliding supporting block 1 is slidably installed in the circular ring-shaped supporting groove 1; The second connecting part is in a fan-shaped structure, the second connecting part is located outside the second rolling support part, the second connecting part includes a second rotating connecting end, a second arc-shaped support end and a second sliding support block, the second rotating connecting end is connected to the second rotating shaft, the second arc-shaped support end is connected to the second rotating connecting end, the second rolling wheel body and the second rolling support part have a gap to form a second circular ring-shaped opening, the second rolling wheel body is provided with a second circular ring-shaped support groove on the side facing the second rolling support part, the second sliding support block is connected to the second arc-shaped support end and extends radially outward, and the second sliding support block is slidably installed in the second circular ring-shaped support groove; The two ends of the second elastic rope are respectively connected to the first sliding support block and the second sliding support block, and the two ends of the second elastic rope pass through the first circular opening and the second circular opening respectively.

2. The table tennis ball picking device according to claim 1, characterized in that: The rolling support part 1 is a disc-shaped structure, and a sliding avoidance groove 1 is provided on the outer side of one end of the rolling support part 1 close to the rolling wheel body 1, and the arc-shaped support end 1 is slidably connected in the sliding avoidance groove 1; The second rolling support part is a disc-shaped structure, and a second sliding avoidance groove is provided on the outer side of one end of the second rolling support part close to the second rolling wheel body, and the second arc-shaped support end is slidably connected in the second sliding avoidance groove.

3. The table tennis ball picking device according to any one of claims 1 to 2, characterized in that: The elastic ropes are arranged in a plurality at intervals in two circumferential directions.

4. The table tennis ball picking device according to any one of claims 1 to 2, characterized in that: A plurality of elastic ropes 1 are sequentially and equidistantly stretched and connected between the rolling wheel body 1 and the rolling wheel body 2.

5. The table tennis ball picking device according to any one of claims 1 to 2, characterized in that: The wheel surfaces of the first rolling wheel body and the second rolling wheel body are respectively provided with friction structures.

6. The table tennis ball picking device according to any one of claims 1 to 2, characterized in that: Also includes: A balancing support rod is obliquely connected to the support frame and is located on the circumferential outside of the rolling wheel body 1 and the rolling wheel body 2. The balancing support rod has a U-shaped structure. The balancing support rod includes a supporting portion and two connecting portions respectively connected to the two ends of the supporting portion. The two connecting portions are connected to the support frame, and the balancing support rod is located on the lower side of the rolling wheel body 1 and the rolling wheel body 2.

7. The table tennis ball picking device according to claim 1, characterized in that: Also includes: A push rod, one end of which is connected to the support frame, and the other end of which extends obliquely upward to form a handheld end; A power switch is mounted on the handheld end of the push rod, and the power switch is connected to the power module via a cable; A motor switch is mounted on the handheld end of the push rod, and the motor switch is connected to the double-headed rotating motor through a cable.

Images