Novel tennis ball picking device

Abstract

The utility model discloses a novel tennis ball picking device which comprises a base plate and a frame, the base plate is used for bearing and connecting the frame, walking wheels are arranged below the base plate, a ball inlet device is arranged on the frame and comprises a ball inlet roller and a ball inlet plate, the ball inlet roller is provided with an elastic surface, and the ball inlet plate is provided with a ball outlet. The ball inlet plate is arranged on the front portion of the frame and close to the ground, the ball inlet roller is arranged above the ball inlet plate, and a ball inlet channel is formed between the ball inlet plate and the ball inlet roller. The tennis ball picking-up device can pick up a plurality of tennis balls at the same time, and ball picking-up efficiency is greatly improved; and due to the simple structure, the tennis ball can be manufactured by oneself, and convenience is provided for smooth development of campus tennis balls.

Description

TECHNICAL FIELD

[0001] The utility model relates to a campus tennis training equipment more specifically, relate to a campus tennis ball picking device. BACKGROUND

[0002] Tennis is a elegant and interesting sports, it can not only exercise body, improve physical quality, also can cultivate people's will quality and team cooperation spirit. In recent years, with the improvement of people's living standards and the enhancement of health consciousness, more and more students begin to pay attention and contact tennis this sports. Under the vigorous advocacy of the country, schools at all levels also set up corresponding tennis courses for students to train and train. However, in the tennis serving or feeding training, a large number of tennis scattered on the ground will be produced, these tennis often need to be picked up, need to pay long time and certain personnel. The school with conditions will purchase some auxiliary ball picking equipment, relatively improve the efficiency, but still need manual operation.

[0003] The Chinese utility model patent application with patent application number CN202410614100 discloses a tennis ball picking machine, which comprises a chassis assembly, a ball entering control element group and a ball collecting mechanism. The front end of the chassis assembly is provided with the ball entering control element group, and the rear side of the chassis assembly is provided with the ball collecting mechanism. The chassis assembly comprises a walking assembly, which drives the tennis robot to move through the chassis assembly. The tennis ball picking robot improves the ball picking efficiency, avoids the consumption of the players' physical strength caused by manual ball picking, and maximizes the players' training concentration to improve the training effect. Although the prior art solves the problem of manual ball picking, the ball can only pass through the channel formed between the two ball entering impellers of the ball entering control element group one by one, and the efficiency is still relatively low. UTILITY MODEL CONTENT

[0004] In view of the shortcomings of the prior art, the main purpose of the utility model is to provide a novel tennis ball picking device to solve the problem of low ball picking efficiency for tennis training.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows: a novel tennis ball picking device, comprising a chassis and a frame, the chassis is used for bearing and connecting the frame, a walking wheel is arranged below the chassis, a ball entering device is arranged on the frame, the ball entering device comprises a ball entering roller and a ball entering plate, the ball entering roller has an elastic surface, the ball entering plate is arranged on the front part of the frame and adjacent to the ground, the ball entering roller is arranged above the ball entering plate, and a ball entering channel is formed between the ball entering plate and the ball entering roller.

[0006] Preferably, the ball entering roller is hollow, and the elastic surface is formed by interlacing rubber bands.

[0007] Preferably, the distance between the ball-feeding plate and the ball-feeding drum surface is greater than 80% of the diameter of a tennis ball and less than 90% of the diameter of a tennis ball.

[0008] Preferably, a first platform and a second platform are arranged on the frame, a first ball storage container is arranged on the first platform, and a second ball storage container is arranged on the second platform, the second platform is arranged above the first platform, the first ball storage container is in communication with the ball-feeding channel, and a ball conveying device is arranged between the first platform and the second platform.

[0009] Preferably, the ball-feeding plate is a reversed V-shaped plate, which includes a backwardly inclined rear plate and a forwardly inclined front plate, the first ball storage container is composed of the rear plate and side plates arranged on both sides of the rear plate, and the ball-feeding channel is a space between the front plate and the ball-feeding drum.

[0010] Preferably, the second ball storage container is a V-shaped container, and a conveying belt is arranged at the bottom of the V-shaped container.

[0011] Preferably, the ball conveying device is arranged at the rear of the frame, the ball conveying device is connected with the first ball storage container and the second ball storage container respectively, the ball conveying device includes two or more vertically arranged ball conveying drums, the ball conveying drums have elastic surfaces, a rear baffle is arranged at the rear of the ball conveying drums, an upper baffle is arranged above the ball conveying drums, a conveying channel is formed between the ball conveying drums and the rear baffle and the upper baffle, and the conveying channel is in communication with the first ball storage container and the second ball storage container respectively.

[0012] Preferably, a ball-feeding device is arranged on the second platform, the ball-feeding device includes two brushless motors, gears are arranged on the output shafts of the two brushless motors, a tennis ball launching port is formed between the two gears, and the tennis ball launching port is in communication with the second ball storage container.

[0013] Preferably, the ball conveying drums include a first ball conveying drum, a second ball conveying drum and a third ball conveying drum, the second ball conveying drum and the third ball conveying drum are arranged above the first ball conveying drum in sequence, the first ball conveying drum is a driving drum driven by a motor, and the second ball conveying drum and the third ball conveying drum are driven drums.

[0014] Preferably, the second ball storage container is made of transparent acrylic plate.

[0015] Compared with the prior art, the novel tennis ball picking device adopts a unique tennis ball entering ball structure for picking up tennis balls, wherein the ball entering roller has an elastic surface, which will produce a recess under the extrusion of the tennis ball, and under the action of friction and inertia, the tennis ball is driven to roll back into the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] The structure and beneficial technical effects of the present application will be described in detail below in combination with the drawings and specific embodiments.

[0017] Figure 1 is a perspective view of the present application.

[0018] Figure 2 is a side view of the present application.

[0019] Figure 3 is another perspective view of the present application.

[0020] Figure 4 is a main motor distribution diagram of the present application. DETAILED DESCRIPTION

[0021] In order to make the utility model purposes, technical solutions and beneficial technical effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and specific embodiments. It should be understood that the specific embodiments described in the present specification are only for the purpose of explaining the present application, and are not intended to limit the present application.

[0022] Please refer to Figures 1-4The utility model discloses a novel tennis ball picking device, including bottom disc 1, frame 2, bottom disc 1 is used for bearing connection frame 2, be equipped with walking wheel 3 under bottom disc 1, and walking wheel is the Mecanum wheel of motor drive, be equipped with ball feeding device 4 on frame 2, and ball feeding device 4 includes ball feeding cylinder 5 and ball feeding board 6, and ball feeding cylinder 5 has elastic surface, and ball feeding board 6 is inclined and is set down to the front of frame 2 and is adjacent to ground, and ball feeding cylinder 5 is set on ball feeding board 6, and forms ball feeding channel 7 between ball feeding board 6 and ball feeding cylinder 5.

[0023] Ball conveying device 10 is equipped with the rear portion of frame 2, and ball conveying device 10 is connected with first ball storage container 8 and second ball storage container 9 respectively, and ball conveying device 10 includes two or more vertical arrangement ball conveying cylinders, and the ball conveying cylinder has elastic surface, and rear baffle 14 is equipped with the rear of ball conveying cylinder, and upper baffle 15 is equipped with the upper of ball conveying cylinder, and forms conveying channel 16 between ball conveying cylinder and rear baffle 14 and upper baffle 15, and conveying channel 16 is communicated with first ball storage container 8 and second ball storage container 9 respectively. The ball conveying cylinder of the embodiment includes first ball conveying cylinder 17, second ball conveying cylinder 18 and third ball conveying cylinder 19, and second ball conveying cylinder 18 and third ball conveying cylinder 19 are sequentially equipped with the upper of first ball conveying cylinder 17, and first ball conveying cylinder 17, second ball conveying cylinder 18 and third ball conveying cylinder 19 are all motor-driven driving cylinder;In other embodiments, the first ball conveying cylinder is motor-driven driving cylinder, and second ball conveying cylinder 18 and third ball conveying cylinder 19 are driven cylinders.

[0024] In the embodiment, ball feeding board 6 is inverted V-shaped board, and the inverted V-shaped board includes backwardly inclined rear plate 20 and forwardly inclined front plate 21, first ball storage container 8 is composed of rear plate 20 and side plate 22 located on both sides of rear plate, and ball feeding channel 7 is the space between front plate 21 and ball feeding cylinder 5. Second ball storage container 9 is V-shaped container, and conveying caterpillar 23 is equipped with the bottom of V-shaped container;In other embodiments, V-shaped container can also be inclinedly arranged, and the gravity is utilized to convey tennis ball;Second ball storage container 9 is made of transparent acrylic plate. The frame structure of the embodiment and the transparent acrylic plate make the internal working condition present visualization.

[0025] The structure of the ball feeding roller 5 of the embodiment is internally hollow, and the elastic surface is interwoven by rubber bands; in other embodiments, the ball feeding roller 5 can also be elastic as a whole, such as a sponge body, the surface of which is elastic, or a silica gel body, the surface of which is also elastic. The ball feeding roller 5 of the embodiment can have the same structure as the ball feeding roller 5, that is, internally hollow, and the elastic surface is interwoven by rubber bands.

[0026] In order to improve the friction between the tennis ball and the ball feeding device, so as to make the ball feeding faster, the distance between the ball feeding plate 6 and the surface of the ball feeding roller 5 can be greater than 80% of the diameter of the tennis ball and less than 90% of the diameter of the tennis ball. If the tennis ball to be picked up is of a special size, the distance can be adjusted according to the specific size of the tennis ball to be picked up.

[0027] When the new tennis ball picking device of the embodiment is working, the four Mecanum wheels are driven by the coded motors M1, M2, M4 and M5 to walk on the court, and the ball feeding roller 5 is driven by the large roller motor M6 to pick up the scattered tennis balls. Specifically, it includes the following steps:

[0028] In the rotating state, the ball feeding roller 5 contacts the tennis ball, and the rubber band surface will produce a recess under the extrusion of the tennis ball. The recess is used to grab and drive the tennis ball to roll backward into the ball feeding channel 7. Under the action of inertia, the tennis ball passes through the forward inclined front plate 21 and enters the first ball storage container 8. Under the action of gravity, the tennis ball rolls along the backward inclined rear plate 20 to the first ball feeding roller 17. Similarly, the first ball feeding roller 17 contacts the tennis ball in the rolling state, and the rubber band surface will produce a recess under the extrusion of the tennis ball. The recess is used to grab and drive the tennis ball to roll backward and upward into the conveying channel 16. The tennis ball moves in the conveying channel 16 formed by the first ball feeding roller 17, the second ball feeding roller 18, the third ball feeding roller 19, the rear baffle 14 and the upper baffle 15 by friction and extrusion to the second platform of the second ball storage container 9. The three ball feeding rollers are driven to rotate by the three small roller motors DC1, DC3 and DC4.

[0029] After the picking is completed, if the ball receiving technology needs to be trained by using the device, the motor DC6 drives the conveying track 23 to transmit the tennis ball 24 to the tennis ball launching port, the direction of the tennis ball launching port is adjusted by the launching ball adjusting rudder motor M3-2 and M3-4, and the tennis ball is launched by using the high-speed rotating gear 13. The ball launching principle is to "squeeze out" the ball by friction, and the friction is provided by the gear with a large friction factor, and the ball is sent one by one by the track control. The brushless motor 12 is provided below the launching ball adjusting rudder motor, and the direction of the ball launching is adjusted by rotating the rudder motor.

[0030] According to the disclosure and teaching of the above description, the skilled in the art of the utility model can also make proper change and modification to the above embodiment. Therefore, the utility model is not limited to the specific embodiment disclosed and described above, and some modification and change of the utility model should also fall into the protection scope of the claims of the utility model. In addition, although some specific terms are used in the specification, these terms are only for convenience of description and do not constitute any limitation on the utility model.

Claims

1. A novel tennis ball picking device, comprising a base plate for carrying a frame connected thereto, a walking wheel arranged below the base plate, and a ball feeding device arranged on the frame, characterized in that, The ball feeding device comprises a ball feeding roller with an elastic surface and a ball feeding plate arranged at the front of the frame and adjacent to the ground, the ball feeding roller being arranged above the ball feeding plate to form a ball feeding channel between the ball feeding plate and the ball feeding roller.

2. The novel tennis ball picking device as claimed in claim 1, wherein, The ball feeding roller is internally hollow, and the elastic surface is formed by interlacing rubber bands.

3. The novel tennis ball picking device as claimed in claim 1, wherein, The distance between the ball feeding plate and the surface of the ball feeding roller is greater than 80% of the diameter of a tennis ball and less than 90% of the diameter of a tennis ball.

4. The novel tennis ball picking device as claimed in claim 1, wherein, A first platform and a second platform are arranged on the frame, a first ball storage container is arranged on the first platform, and a second ball storage container is arranged on the second platform, the second platform being arranged above the first platform, the first ball storage container being in communication with the ball feeding channel, and a ball conveying device being arranged between the first platform and the second platform.

5. The novel tennis ball picking device as claimed in claim 4, wherein, The ball feeding plate is a reversed V-shaped plate comprising a backwardly inclined rear plate and a forwardly inclined front plate, the first ball storage container being composed of the rear plate and side plates arranged on both sides of the rear plate, and the ball feeding channel being the space between the front plate and the ball feeding roller.

6. The novel tennis ball picking device as claimed in claim 4, wherein, The second ball storage container is a V-shaped container, and a conveying track is arranged at the bottom of the V-shaped container.

7. The novel tennis ball picking device as claimed in claim 4, wherein, The ball conveying device is arranged at the rear of the frame, the ball conveying device being connected with the first ball storage container and the second ball storage container respectively, the ball conveying device comprising two or more vertically arranged ball conveying rollers with elastic surfaces, a rear baffle being arranged at the rear of the ball conveying rollers, and an upper baffle being arranged above the ball conveying rollers, a conveying channel being formed between the ball conveying rollers and the rear baffle and the upper baffle, the conveying channel being in communication with the first ball storage container and the second ball storage container respectively.

8. The novel tennis ball picking device as claimed in claim 4, wherein, A ball serving device is arranged on the second platform, the ball serving device comprising two brushless motors, gears being arranged on the output shafts of the two brushless motors, a tennis ball launching port being formed between the two gears, and the tennis ball launching port being in communication with the second ball storage container.

9. The novel tennis ball picking device as claimed in claim 7, wherein, The ball conveying rollers comprise a first ball conveying roller, a second ball conveying roller and a third ball conveying roller, the second ball conveying roller and the third ball conveying roller being arranged above the first ball conveying roller in sequence, the first ball conveying roller being a driving roller driven by a motor, and the second ball conveying roller and the third ball conveying roller being driven rollers.

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