Table tennis serving equipment

Abstract

The utility model relates to the technical field of table tennis ball serving, in particular to table tennis ball serving equipment which comprises a basic support and a ball containing container arranged at the top of the basic support, the lower portion of the ball containing container is arranged to be in the shape of a circular-truncated-cone-shaped cylinder extending downwards, and the bottom of the ball containing container is provided with an opening only allowing a single table tennis ball to pass through. The device further comprises an inclined table arranged on the basic support, a hollow pipe is fixedly connected to the position, right facing an opening in the bottom of the ball containing container, of the inclined table, and a hole matched with the opening in the bottom of the ball containing container is formed in the top of the hollow pipe. According to the table tennis ball serving device, the table tennis balls can smoothly and stably enter a serving path one by one by arranging the ball containing container with the slender barrel-shaped lower part, accurately matching the opening in the bottom of the ball containing container with the hole in the top of the hollow pipe and guiding by the guide frame, so that the table tennis balls are prevented from being stuck; and coherence and fluency of the serving process are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of table tennis launching, in particular to a table tennis serving device. Background Art

[0002] As a globally popular sport, table tennis has a wide range of participation at the competitive level and is also popular among amateurs. With the development of technology, table tennis launchers play an increasingly important role in improving the technical level and reaction ability of athletes. In order to better serve different user groups, including professional athletes and recreational enthusiasts, the design of table tennis launchers is moving towards multi-functionality and intelligence.

[0003] Chinese utility model patent CN208626574U discloses a slingshot shooting mobile target table tennis ball serving machine, including a ball placing container and a base, a ball placing container is provided with a passing impeller at the bottom, a limiting tube is provided at the bottom of the ball placing container, an arc piece is provided at one end of the limiting tube, the arc piece is bent in the same direction to form a ball inlet, and a spacing is provided between the arc pieces for the passing impeller to rotate through, a curved transmission tube is nested and connected at the other end of the limiting tube, a nozzle is provided at the other end of the transmission tube, the passing impeller is connected to an impeller motor through a connecting rod, and the impeller motor is provided at the bottom At the top of the cavity of the seat, the middle area of ​​the outer wall of the base is provided with a serving force regulator, a power switch and a serving frequency regulator from left to right; although the device can realize stable ejection and serving one by one, because the rubber wheel one and the rubber wheel two are made of flexible materials, the ping-pong balls are easily stuck to each other inside the ball container containing multiple ping-pong balls, resulting in the device being unable to continue to launch the ping-pong balls. The user needs to intervene manually to remove the stuck ping-pong balls before continuing to work, which seriously affects the fluency and continuity of the entire serving process. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the utility model provides a table tennis serving device which can serve the ball continuously without getting stuck.

[0005] The technical implementation scheme of the utility model is: a table tennis serving device, including a basic bracket and a ball placing container arranged on the top of the basic bracket, the lower part of the ball placing container is arranged to be a truncated cone-shaped cylinder extending downward, and the bottom of the ball placing container is provided with an opening that can only allow a single table tennis ball to pass through; it also includes an inclined platform arranged on the basic bracket, a hollow tube is fixedly connected to the inclined platform facing the bottom opening position of the ball placing container, a hole is opened on the top of the hollow tube that matches the bottom opening of the ball placing container, and a guide frame is arranged between the hollow tube and the ball placing container; it also includes a ball pushing part that pushes the ball out and a launching part that accelerates the ball to shoot out.

[0006] Optionally, the ball container is of a spliced ​​or integrated type.

[0007] Optionally, the top inner diameter of the cylindrical part of the ball placing container ranges from 60mm to 79mm, and the bottom opening inner diameter of the ball placing container is 43mm.

[0008] Optionally, the launch unit includes a concave seat arranged at the front of the inclined platform and an electromagnet placed in the concave seat, and the output portion of the electromagnet is directly opposite to the front pipe opening of the hollow tube.

[0009] Optionally, waist-shaped holes are provided on both sides of the concave seat, and threaded bushings matching the size of the waist-shaped holes are provided on the left and right side walls of the electromagnet, and the threaded bushings are inserted into the waist-shaped holes on the same side.

[0010] Optionally, a limiting bolt matching the threaded bushing is further included, and the limiting bolt passes through the waist-shaped hole and is screwed into the corresponding threaded bushing.

[0011] Optionally, the launching part includes a flange joint connected to the rear pipe opening of the hollow tube, and a pair of mounting plates arranged on the flange joint, and electric wheels are installed on opposite sides of the two mounting plates.

[0012] Optionally, the two electric wheels are arranged at different heights, and there is enough space between the two electric wheels for a table tennis ball to pass through.

[0013] Optionally, it also includes a vertical adjustment component installed at the bottom of the base bracket, the vertical adjustment component includes an adapter block installed at the bottom of the base bracket, an adapter plate rotatably installed below the adapter block, a concave rod rotatably installed on the other side of the adapter block, and at least one row of concave blocks are evenly spaced apart on the adapter plate below the concave rod.

[0014] Optionally, it also includes a horizontal adjustment component installed under the adapter plate, the horizontal adjustment component includes a rotating support, a reduction motor, a rocker arm and a connecting rod, the rotating support is connected to the adapter plate, the rotating support is divided into an upper and lower part, the upper part is rotatably connected to the lower part, the upper part of the rotating support is connected to the adapter plate, the reduction motor is installed at an eccentric position of the lower part of the rotating support, the output of the reduction motor is connected to the rocker arm, and a connecting rod is rotatably connected between the end of the rocker arm and the eccentric position of the upper part of the rotating support.

[0015] Compared with the prior art, the utility model has the following advantages: the utility model provides a ball placing container with a truncated cone-shaped cylinder extending downward, and the opening at the bottom of the ball placing container is precisely matched with the hole at the top of the hollow tube, and then guided by the guide frame, so that the table tennis balls can enter the launching path one by one, smoothly and stably, avoiding the occurrence of ball jamming, and improving the continuity and fluency of the serving process; and the output part of the electromagnet is directly opposite to the front end of the hollow tube, so the table tennis ball can be accurately pushed into the launching part, and the combined design of the threaded bushing and the limit bolt allows the position of the electromagnet to be adjusted within a certain range to meet different serving requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0017] Figure 2 It is a partial structural schematic diagram of the utility model.

[0018] Figure 3 It is an exploded view of the ball pushing part of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the transmitting part of the utility model.

[0020] Figure 5 It is a schematic diagram of the installation of the vertical adjustment component and the horizontal adjustment component of the utility model.

[0021] Figure 6 It is a three-dimensional structural schematic diagram of the vertical adjustment component of the utility model.

[0022] Figure 7 It is a three-dimensional structural schematic diagram of the horizontal adjustment component of the utility model.

[0023] The meanings of the reference numerals in the figure are: 1: basic bracket, 2: ball container, 3: guide frame, 4: inclined table, 5: concave seat, 51: waist hole, 6: electromagnet, 61: threaded bushing, 62: limit bolt, 7: hollow tube, 8: flange joint, 81: mounting plate, 82: electric wheel, 9: vertical adjustment assembly, 91: adapter block, 92: adapter plate, 93: concave rod, 94: concave block, 10: horizontal adjustment assembly, 101: rotating support, 102: reduction motor, 103: rocker arm, 104: connecting rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 and Figure 2 The utility model provides a table tennis serving device, comprising a basic support 1 and a ball container 2 arranged on the top of the basic support 1. The basic support 1 supports the ball container 2 by three pairs of left-right symmetrical support rods to ensure the overall stability of the device. The ball container 2 adopts a splicing type, which is spliced ​​by left and right parts and fixed by screws. The lower part of the ball container 2 is designed to be a truncated cone-shaped cylinder extending downward. The inner diameter of the top of the cylinder is set to 60mm, which is 1.5 times the diameter of a standard table tennis ball. The use of this inner diameter can prevent the table tennis ball from piling up on the top of the cylinder and being unable to fall. The bottom is provided with a hole that can only accommodate a single table tennis ball. The opening has an inner diameter of 43 mm. The ping-pong balls are poured into the ball placing container 2. Under the action of their own gravity, the ping-pong balls will be stacked one by one in the slender cylindrical part of the ball placing container 2, and finally fall one by one from the bottom outlet of the ball placing container 2; an inclined platform 4 is fixedly provided on the upper surface of the bottom plate of the basic bracket 1, and a hollow tube 7 is fixedly provided in the middle of the inclined platform 4 by a pipe clamp, and a hole matching the bottom opening of the ball placing container 2 is opened on the top of the hollow tube 7, and the hole is opposite to the bottom opening of the ball placing container 2; a guide frame 3 is also provided between the hollow tube 7 and the ball placing container 2, and the ping-pong balls falling from the ball placing container 2 enter into the hollow tube 7 through the guidance of the guide frame 3.

[0026] See also Figure 2-Figure 4, the utility model embodiment also includes a ball pushing part for pushing out the ball and a launching part for accelerating the ball. The launching part includes a concave seat 5 arranged at the front of the inclined platform 4 and an electromagnet 6 placed in the concave seat 5. The electromagnet 6 adopts a push-pull type, and its output part is directly opposite to the front pipe mouth of the hollow tube 7. After power is turned on, its output part will push and pull reciprocally and push the table tennis ball that falls into the hollow tube 7 backward. Waist-shaped holes 51 are opened on the left and right sides of the concave seat 5. A pair of threaded bushings 61 are respectively arranged on the left and right side walls of the electromagnet 6. The threaded bushings 61 can be just inserted into the waist-shaped holes 51, and the pushing electromagnet 6 can adjust its position in the concave seat 5 to change the distance between the output part of the electromagnet 6 and the front pipe mouth of the hollow tube 7, thereby adjusting the force of pushing the ball. It also includes a limit bolt 62 that matches the threaded bushing 61. After completing the electromagnetic After the position of the electromagnet 6 is adjusted, the limiting bolt 62 is passed through the waist-shaped hole 51 and screwed into the corresponding threaded bushing 61, which can limit the electromagnet 6 and prevent it from moving; the launching part includes a flange joint 8 connected to the rear pipe mouth of the hollow tube 7, and a pair of mounting plates 81 arranged on the flange joint 8, the two mounting plates 81 are parallel to each other, and electric wheels 82 are installed on the side close to each other, the two electric wheels 82 are distributed at different heights, and there is enough space between the two for the ping-pong ball to pass through, and the two electric wheels 82 rotate in opposite directions, the higher electric wheel 82 rotates counterclockwise, and the lower electric wheel 82 rotates clockwise. When the electromagnet 6 pushes the ping-pong ball backward from the hollow tube 7, the ping-pong ball will contact the two electric wheels 82 and be shot backward after the rotation of the two electric wheels 82 is accelerated.

[0027] See also Figure 5 and Figure 6 The embodiment of the utility model also includes a vertical adjustment component 9 installed at the bottom of the basic bracket 1, and the vertical adjustment component 9 includes an adapter block 91 installed at the bottom of the basic bracket 1. The adapter block 91 is triangular in shape for easy placement, and an adapter plate 92 rotatably installed below the adapter block 91. A concave rod 93 is rotatably installed on the other side of the adapter block 91, and two rows of concave blocks 94 are evenly spaced on the adapter plate 92 below the concave rod 93.

[0028] See also Figure 5 and Figure 7The embodiment of the utility model also includes a horizontal adjustment component 10 installed under the adapter plate, and the horizontal adjustment component 10 includes a rotating support 101, a reduction motor 102, a rocker arm 103 and a connecting rod 104. The rotating support 101 is connected to the adapter plate 92. The rotating support 101 is divided into an upper and lower part, and the upper part is rotatably connected to the lower part. The upper part of the rotating support 101 is connected to the adapter plate 92. The reduction motor 102 is installed at an eccentric position of the lower part of the rotating support 101, and the output of the reduction motor 102 is connected to the rocker arm 103. The connecting rod 104 is rotatably connected between the end of the rocker arm 103 and the eccentric position of the upper part of the rotating support 101.

[0029] Before using the device, the concave rod 93 can be placed on the concave rods 93 at different positions to adjust the adjustment angle of the table tennis ball in the up and down directions. When the concave rod 93 is placed closer to the front side, the table tennis ball launch angle is higher, and when the concave rod 93 is placed closer to the rear side, the table tennis ball launch angle is lower. At the same time, when the table tennis ball needs to be swung horizontally for launch, the reduction motor 102 is controlled to rotate forward and reverse, and the parts above the upper part of the rotating support 101 can be pulled by the swing rod 103 and the connecting rod 104 to repeatedly swing horizontally to launch the table tennis ball.

[0030] It should be understood that the above description is only for exemplary purposes and is not intended to limit the present invention. Those skilled in the art will understand that variations of the present invention will be included within the scope of the claims herein.

Claims

1. A table tennis serving device, comprising a basic support (1) and a ball placing container (2) arranged on the top of the basic support (1); Its characteristics are: The lower part of the ball placing container (2) is configured as a truncated cone-shaped cylinder extending downward, and the bottom thereof is provided with an opening capable of allowing only a single table tennis ball to pass through; It also includes an inclined platform (4) arranged on the base support (1), a hollow tube (7) is fixedly connected to the inclined platform (4) at a position facing the bottom opening of the ball placing container (2), a hole matching the bottom opening of the ball placing container (2) is opened at the top of the hollow tube (7), and a guide frame (3) is arranged between the hollow tube (7) and the ball placing container (2); The invention also includes a ball pushing part for pushing the ball out and a launching part for accelerating and shooting the ball out.

2. A table tennis serving device according to claim 1, characterized in that: The ball placing container (2) is of a spliced ​​type or an integrated type.

3. A table tennis serving device according to claim 2, characterized in that: The inner diameter of the top of the truncated cone-shaped cylindrical part of the ball-placing container (2) ranges from 60 mm to 79 mm, and the inner diameter of the bottom opening of the ball-placing container (2) is 43 mm.

4. A table tennis serving device according to claim 3, characterized in that: The launch unit comprises a concave seat (5) arranged at the front of the inclined platform (4) and an electromagnet (6) placed in the concave seat (5), wherein the output portion of the electromagnet (6) faces the front pipe opening of the hollow tube (7).

5. A table tennis serving device according to claim 4, characterized in that: The concave seat (5) is provided with waist-shaped holes (51) on both left and right sides, and the left and right side walls of the electromagnet (6) are provided with threaded bushings (61) that match the size of the waist-shaped holes (51), and the threaded bushings (61) are inserted into the waist-shaped holes (51) on the same side.

6. A table tennis serving device according to claim 5, characterized in that: It also includes a limiting bolt (62) that matches the threaded bushing (61), and the limiting bolt (62) passes through the waist-shaped hole (51) and is screwed into the corresponding threaded bushing (61).

7. A table tennis serving device according to claim 6, characterized in that: The launching part comprises a flange joint (8) connected to the rear pipe opening of the hollow tube (7), and a pair of mounting plates (81) arranged on the flange joint (8), and electric wheels (82) are mounted on opposite sides of the two mounting plates (81).

8. A table tennis serving device according to claim 7, characterized in that: The two electric wheels (82) are arranged in a staggered manner, and a space sufficient for a table tennis ball to pass through is left between the two electric wheels (82).

9. A table tennis serving device according to claim 1, characterized in that: It also includes a vertical adjustment component (9) mounted on the bottom of the base support (1), the vertical adjustment component (9) including an adapter block (91) mounted on the bottom of the base support (1), an adapter plate (92) rotatably mounted below the adapter block (91), a concave rod (93) rotatably mounted on the other side of the adapter block (91), and at least one row of concave blocks (94) evenly spaced apart are arranged on the adapter plate (92) below the concave rod (93).

10. A table tennis serving device according to claim 9, characterized in that: It also includes a horizontal adjustment component (10) installed below the adapter plate, the horizontal adjustment component (10) including a rotating support (101), a reduction motor (102), a rocker (103) and a connecting rod (104), the rotating support (101) is connected to the adapter plate (92), the rotating support (101) is divided into an upper and lower part, the upper part is rotatably connected to the lower part, the upper part of the rotating support (101) is connected to the adapter plate (92), the reduction motor (102) is installed at an eccentric position of the lower part of the rotating support (101), the output of the reduction motor (102) is connected to the rocker (103), and the connecting rod (104) is rotatably connected between the end of the rocker (103) and the eccentric position of the upper part of the rotating support (101).

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