Ball entering structure for picking up tennis balls

Abstract

The utility model relates to the technical field of sports equipment, and discloses a ball inlet structure for picking up tennis balls, which comprises a mounting frame, a ball inlet seat arranged on the mounting frame and ball inlet guide frames arranged on two outer sides of the ball inlet seat, a ball inlet is arranged at the end part of the ball inlet seat, a ball inlet chute is communicated with the surface of the ball inlet seat, and the ball inlet chute is communicated with the ball inlet seat. The ball inlet chute is arranged obliquely upwards in the ball inlet direction, the ball inlet seat is provided with extrusion ball serving assemblies on the two outer sides of the ball inlet chute, the two ball inlet guide frames form ball guide channels corresponding to the ball inlet on the front sides of the extrusion ball serving assemblies, and the ball guide channels are arranged corresponding to the ball inlet chute. Tennis balls are guided into the end of the ball inlet chute through the ball guide channel, and the tennis balls are shot and picked up through the extrusion ball serving assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of sports equipment, in particular to a ball-entry structure for picking up tennis balls. Background Art

[0002] In the past decade, tennis has shown a growing trend around the world, and more and more people are participating in tennis. The problem of collecting balls is inevitably involved in the sport. Existing tennis ball picking equipment is divided into two types: one, pure manual ball picking equipment, and two, ball picking equipment. Most of the existing tennis ball picking equipment is a metal structure, which uses a reel to roll a piece of tennis balls into a sunken tennis frame. Its shortcomings are that it is huge in size and heavy in weight. The reel is made of metal, and there is great resistance when a piece of tennis balls are rolled in at the same time. In order to facilitate the use of existing walking robots on the market to pick up tennis balls on the field, technical personnel in this field have designed a ball entry structure for picking up tennis balls. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a ball entry structure for picking up tennis balls, which is convenient for automatic ball entry and picking up of tennis balls, has a wide range of applications and saves costs.

[0004] The technical solution of the utility model is: a ball entry structure for picking up tennis balls, comprising a mounting frame, a ball entry seat arranged on the mounting frame, and a goal guide frame arranged on both outer sides of the ball entry seat, wherein the end of the ball entry seat is provided with a ball entry port, the ball entry port is connected to a ball entry chute provided on the surface of the ball entry seat, the ball entry chute is arranged obliquely upward along the goal direction, the ball entry seat is provided with an extrusion serving assembly on both outer sides of the ball entry chute, two groups of the goal guide frames are provided with ball guide channels corresponding to the ball entry ports on the front side of the extrusion serving assembly, the ball guide channels are arranged corresponding to the ball entry chute, the tennis ball is guided into the end of the ball entry chute through the ball guide channel, and the tennis ball is launched by the extrusion serving assembly to achieve ball picking.

[0005] As can be seen from the above scheme, the ball entry seat enters the ball through the ball entry port at the end, the goal guide frame facilitates the introduction of the tennis ball from the ball guide channel, the extrusion serving assembly is used to shoot the tennis ball into the ball through extrusion to achieve ball collection, the ball entry chute is used to guide the tennis ball when it is launched, avoid deviation during launch, and improve the accuracy of subsequent tennis ball collection, the ball guide channel guides the tennis ball into the ball entry port, and the tennis ball is launched out by the extrusion serving assembly to achieve ball collection. The utility model is used with various walking robots, is easy to operate and has a wide range of applications.

[0006] The goal guiding frame includes a connecting portion and a guiding portion integrally formed at the end of the connecting portion. The guiding portion is disposed on the front side of the ball inlet seat, and the outer surface of the guiding portion is inclined outward along the ball guiding channel. Thus, the guiding portion is used to gather the tennis balls along the ball guiding channel to the ball inlet.

[0007] The extrusion serving assembly includes a brushless motor and a friction wheel disposed on the output end of the brushless motor. The brushless motor is connected to the ball inlet seat, and the friction wheel is disposed close to the ground. The distance between the two friction wheels is less than the width of the ball inlet chute. Thus, the tennis balls are introduced from the goal guiding frame into the gap between the two friction wheels, and the brushless motor is used to drive the friction wheels to rotate, so as to drive the tennis balls to be launched and collected by extrusion through the two friction wheels.

[0008] The goal guiding frame is disposed above the ground, and the distance between the goal guiding frame and the ground is less than the height of the tennis ball. Thus, the goal guiding frame is used to limit the tennis ball on the outside and avoid dust and other sundries from being brought in, improve the accuracy of tennis ball guiding, and avoid friction between the bottom of the goal guiding frame and the field.

[0009] The end of the ball inlet seat is provided with a horizontally extending portion, and the ball inlet is disposed in a sunken manner at the bottom end of the horizontally extending portion. Thus, the horizontally extending portion forms a sunken ball inlet, which can make the collection system more reasonable and efficient.

[0010] A storage box is disposed at the rear side of the ball inlet seat. The side wall of the storage box is provided with an opening facing the ball inlet seat, and a box cover is disposed at the top end of one side of the storage box. Thus, the storage box is used to collect the tennis balls, the opening facilitates the tennis balls to enter the storage box through the extrusion serving assembly, and the box cover is used to increase the height on one side of the storage box to facilitate guiding when the tennis balls fall back. Description of the Drawings

[0011] Figure 1 is a schematic structural diagram of the present utility model;

[0012] Figure 2 is a top view of the present utility model;

[0013] Figure 3 is a side view of the present utility model;

[0014] Figure 4 is a schematic structural diagram of the present utility model from another perspective. Detailed Embodiments

[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0016] As Figures 1 to 4 shown, the utility model is a ball - entering structure for picking up tennis balls, which includes a mounting frame 1, a ball - entering seat 2 arranged on the mounting frame 1, and goal - guiding frames 3 arranged on both outer sides of the ball - entering seat 2. An entrance 20 is arranged at the end of the ball - entering seat 2. An inclined ball - entering groove 21 is communicated and arranged on the surface of the ball - entering seat 2. The inclined ball - entering groove 21 is arranged obliquely upward along the goal - scoring direction. The ball - entering seat 2 is provided with extrusion serving components 4 on both outer sides of the inclined ball - entering groove 21. Two groups of the goal - guiding frames 3 form a ball - guiding channel 5 corresponding to the entrance 20 on the front side of the extrusion serving components 4. The ball - guiding channel 5 is arranged corresponding to the inclined ball - entering groove 21. Tennis balls are guided into the end of the inclined ball - entering groove 21 through the ball - guiding channel 5, and the tennis balls are launched through the extrusion serving components 4 to realize ball - picking. In this embodiment, the surface of the ball - entering seat 2 is obliquely arranged.

[0017] The goal - guiding frame 3 includes a connecting part 31 and a guiding part 32 integrally formed at the end of the connecting part 31. The connecting part 31 is connected to the mounting frame 1. The guiding part 32 is arranged on the front side of the ball - entering seat 2. The outer surface of the guiding part 32 is arranged in an outward - expanding inclined shape along the ball - guiding channel 5. In this embodiment, the distance between the ends of the two groups of guiding parts 32 is greater than the diameter of the tennis ball. In this embodiment, the guiding channel 5 is arranged in a figure - eight shape between the guiding parts 32.

[0018] The extrusion serving component 4 includes a brushless motor 41 and a friction wheel 42 arranged on the output end of the brushless motor 41. The brushless motor 41 is connected to the ball - entering seat 2. The friction wheel 42 is arranged close to the ground. The distance between the two groups of friction wheels 42 is less than the width of the inclined ball - entering groove 21.

[0019] The goal - guiding frame 3 is arranged higher than the ground, and the distance between the goal - guiding frame 3 and the ground is less than the height of the tennis ball.

[0020] The end of the ball - entering seat 2 is provided with a horizontally extending part 22, and the entrance 20 is arranged in a sunken manner at the bottom end of the horizontally extending part 22. In this embodiment, the surface of the horizontally extending part 22 is arc - shaped.

[0021] A storage box 6 is arranged at the rear side of the ball - entering seat 2. An opening 61 is arranged on the side wall of the storage box 6 facing the ball - entering seat 2. A box cover 62 is arranged at the top end of one side of the storage box 6. The inner part of the box cover 62 is arranged in an inclined plane to facilitate the guiding of the tennis ball shooting into the storage box 6. In this embodiment, the storage box 6 adopts a semi - surrounding structure, and the width of the box cover 62 is less than the width of the storage box 6.

[0022] In this embodiment, the brushless motor 41 uses a snail-2305 brushless servo motor as the power source, and the friction wheel 42 is a 2305 friction wheel with polyurethane rubber as the edge wrapping material. In terms of assembly, the top of the snail-2305 brushless servo motor is connected to the 2305 friction wheel through M2 threaded holes respectively, and the bottom M3 threaded holes are connected to the friction wheel base. The bottom end of the ball inlet seat 2 is provided with a horizontal extension 22 to ensure that the tennis ball first contacts the friction wheel 42 when it touches the vehicle body. After lengthening the horizontal length of the ball inlet seat 2, the ball inlet 20 realizes a sunken ball inlet, ensuring that the friction wheel 42 is close to the ground. The ball inlet seat 2 is divided into areas and designed with multiple angles to prevent the tennis ball from touching the ball inlet seat 2 first. Under the natural guidance of the movement trajectory, the tennis ball smoothly enters, reducing air resistance and kinetic energy loss, making the collection process smoother. Each ball inlet is an accurate and efficient capture.

[0023] The working process of the present utility model is as follows: This structure is mounted on a mobile robot and driven by the mobile robot to move on the field. The goal guiding frame 3 guides the tennis balls to the ball inlet 20 through the guiding channels 5 between the guiding parts 32. The tennis balls are guided and transmitted from the ball inlet 20 to the gap between the two friction wheels 42. The two brushless motors 41 drive the two friction wheels 9 to rotate in opposite directions. The left friction wheel 42 rotates counterclockwise, and the right friction wheel 42 rotates clockwise. The tennis balls are launched by the rotational extrusion of the friction wheels 42. The tennis balls enter the storage box 6 along the ball inlet inclined groove 21 and are thus collected. Due to the high-speed rotation of the friction wheels 42 driven by the brushless motors 41, the tennis balls are subjected to the reverse frictional force and extrusion of the friction wheels 42, obtain power, are lifted to the specified initial velocity, and then enter the storage box 6 along the ball inlet inclined groove 21, thus completing the collection of the tennis balls.

[0024] Finally, it should be emphasized that the above does not limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A ball - entering structure for picking up tennis balls, characterized in that: It includes an installation frame (1), a ball inlet seat (2) arranged on the installation frame (1), and goal ball guiding frames (3) arranged on both outer sides of the ball inlet seat (2). An inlet opening (20) is arranged at the end of the ball inlet seat (2). An inclined ball inlet groove (21) is communicated and arranged on the surface of the ball inlet seat (2) at the inlet opening (20). The inclined ball inlet groove (21) is arranged obliquely upward along the goal direction. The ball inlet seat (2) is provided with extrusion serving assemblies (4) on both sides of the inclined ball inlet groove (21). Two groups of the goal ball guiding frames (3) form a ball guiding channel (5) corresponding to the inlet opening (20) at the front side of the extrusion serving assemblies (4). The ball guiding channel (5) is arranged corresponding to the inclined ball inlet groove (21). After guiding the tennis ball into the end of the inclined ball inlet groove (21) through the ball guiding channel (5), the extrusion serving assemblies (4) launch the tennis ball to achieve ball picking.

2. The ball - entering structure for picking up tennis balls according to claim 1, characterized in that: The goal ball guiding frame (3) includes a connecting portion (31) and a guiding portion (32) integrally formed at the end of the connecting portion (31). The connecting portion (31) is connected to the installation frame (1). The guiding portion (32) is arranged at the front side of the ball inlet seat (2). The outer surface of the guiding portion (32) is arranged to be outwardly expanded and inclined along the ball guiding channel (5).

3. The ball inlet structure for picking up tennis balls according to claim 1, characterized in that: The extrusion serving assembly (4) includes a brushless motor (41) and a friction wheel (42) arranged on the output end of the brushless motor (41). The friction wheel (42) is arranged close to the ground. The brushless motor (41) is connected to the ball inlet seat (2). The distance between two groups of the friction wheels (42) is less than the width of the inclined ball inlet groove (21).

4. The ball - entering structure for picking up tennis balls according to claim 1, characterized in that: The goal ball guiding frame (3) is arranged higher than the ground. The distance between the goal ball guiding frame (3) and the ground is less than the height of the tennis ball.

5. The ball inlet structure for picking up tennis balls according to claim 1, characterized in that: A horizontally extending portion (22) is arranged at the end of the ball inlet seat (2). The inlet opening (20) is arranged in a sunken manner at the bottom of the horizontally extending portion (22).

6. The ball - entering structure for picking up tennis balls according to claim 1, characterized in that: A ball storage box (6) is arranged at the rear side of the ball inlet seat (2). An opening (61) is arranged on the side wall of the ball storage box (6) facing the ball inlet seat (2). A box cover (62) is arranged at the top of one side of the ball storage box (6).

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