WO2021046901A1

WO2021046901A1 - Automatic volleyball serving apparatus for sports training

Info

Publication number: WO2021046901A1
Application number: PCT/CN2019/107166
Authority: WO
Inventors: 周静娟
Original assignee: 苏州依卡蒂运动器材有限公司
Priority date: 2019-09-12
Filing date: 2019-09-23
Publication date: 2021-03-18
Also published as: CN110559637A

Abstract

Disclosed in the present invention is an automatic volleyball serving apparatus for sports training, relating to the technical field of sports training equipment, and primarily for solving the problem that existing ball serving apparatuses are inconvenient because a ball is only served only after a volleyball is manually placed at a ball throwing position. The present automatic ball serving apparatus comprises a support bar piece, a base panel and a placement tank, a horizontal mounting plate being fixed on the top end of the support bar piece. The placement tank is fixed on an upper portion of the horizontal mounting plate, and a ball guide channel extending to below the horizontal mounting plate and facing horizontally is provided on a bottom wall of the placement tank. A ball support plate is provided at the position of an end mouth of the ball guide channel, and an electrically driven launching mechanism able to launch volleyballs at intervals is provided at a lower end portion of the horizontal mounting panel. A pressure sensor is provided on the ball support plate and a vibration sensor is provided on the electrically driven launching mechanism. The present invention is simple in structure, is able to train an athlete by automatically launching balls at intervals, does not require manual operation, is quick and convenient, effectively improves a training result, and features better practicality.

Description

Automatic volleyball serving device for sports training

Technical field

The invention relates to the technical field of sports training equipment, in particular to an automatic volleyball serving device for sports training.

Background technique

Physical education is a complex social and cultural phenomenon. It uses physical and intellectual activities as the basic means, according to the laws of human growth and development, skill formation, and function improvement to promote overall development, improve physical fitness and overall education level, strengthen physical fitness and improve A conscious, purposeful, and organized social activity that improves athletic ability, lifestyle and quality of life. Sports can be divided into popular sports, professional sports, school sports and other types. Including sports culture, physical education, sports activities, sports competitions, sports facilities, sports organizations, sports science and technology and many other elements.

Volleyball is one of the ball sports. The court is rectangular with a high net in the middle. Both sides of the game occupy one side of the court. Players hit the ball from the net with their hands. The ball used in volleyball is made of sheepskin or artificial leather. The shell, made of rubber, is similar in size to football. Receiving the ball is one of the basic techniques of volleyball. Receiving the ball requires personnel to cooperate with the serve for training. Individual players cannot receive the ball on their own. Therefore, they need to coordinate with each other on their own, which is more troublesome. A ball serving device is required, and the existing ball serving device uses a ball tossing mechanism to serve the ball at the place where the ball is placed by the personnel, and the operation is more troublesome.

Summary of the invention

The object of the present invention is to provide an automatic volleyball serving device for sports training to solve the problem that the existing volleyball serving device manually places the volleyball at the throwing place and then serves the ball.

In order to achieve the above objectives, the present invention provides the following technical solutions:

An automatic volleyball serving device for sports training, comprising a support rod, a base substrate and a placing tank. The top of the support rod is fixed with a mounting horizontal plate, and the placing tank is fixed on the upper part of the mounting horizontal plate and on the bottom wall of the placing tank. A guiding ball channel with a port extending to the lower side of the mounting horizontal plate and facing horizontally is provided, a ball support plate is arranged at the port of the guiding ball channel, and an electric drive capable of throwing a volleyball intermittently is arranged at the lower end of the mounting horizontal plate The ball pallet is provided with a pressure sensor and a vibration sensor is provided on the electrically driven dial and throw mechanism. The top wall of the guide ball channel port is provided with a socket and the socket is provided with a sliding device. The stop rod and the upper end of the stop rod are fixedly connected to the mounting horizontal plate through an electric cylinder, and the vibration sensor and the ball support plate are electrically connected in series with the electric cylinder.

On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

In an alternative solution: the electric drive throwing and throwing mechanism includes a crossbar shaft, a throwing and throwing motor, and an elastic revolving assembly that can make the crossbar shaft quickly rotate, and the crossbar shaft is fixed in a bearing seat at its end. Install the horizontal plate, the output end of the throwing motor is provided with an incomplete gear and the incomplete gear is intermittently meshed with the rotating gear provided at the end of the crossbar shaft, and the lower side is provided on the wall of the crossbar shaft and extends to the edge of the ball support plate. On the side of the shift plate, the end of the cross bar shaft away from the support rod is provided with an elastic rotation component fixed on the mounting cross plate.

In an alternative solution: the elastic rotation assembly includes a fixed ring fixed on the side of the mounting horizontal plate and a fixed sleeve fixed on the end of the crossbar shaft, and the outer wall of the fixed sleeve is connected by a plurality of return springs On the inner wall of the fixed ring.

In an optional solution: the end of the ball support plate away from the ball guide channel is provided with an inclined upward side stop, and the end surface of the ball support plate is provided with two convex strips.

In an optional solution, the bottom of the support rod is rotatably connected to the base substrate through a rotating connection seat, and the base substrate is provided with a driving assembly that can drive the support rod to rotate.

In an optional solution: the driving assembly includes a rotating electric machine, and the output end of the rotating electric machine is connected to the supporting rod through a transmission gear pair.

In an optional solution, an inclined support rod is further provided on the base substrate, and a connecting sleeve is fixed on the top of the support rod, and the connecting sleeve is rotatably installed on the support rod.

Compared with the prior art, the beneficial effects of the present invention are as follows:

1. The device uses an electric drive tossing and throwing mechanism to throw the volleyball upwards and far away, and it can serve continuously with the rolling of the volleyball in the guide ball channel, which can effectively help the individual trained athletes to improve the level of catching the ball. The vibration sensor and pressure sensor The device can control the expansion and contraction of the gear lever to make the next volleyball roll to the tossing place in an orderly manner, avoiding the electric drive tossing mechanism from being reset and under the action of inertia, and the tossing ball that just rolls on the ball pallet is dropped and dropped , And then can automatically serve the ball intermittently, avoid artificial throwing of the ball, and improve the effect of training;

2. The present invention has a simple structure, can automatically serve intermittently to train athletes without manual operation, is convenient and quick, effectively improves the training effect, and has strong practicability.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic diagram of the structure of the electrically driven dial-and-throw mechanism in the present invention.

Fig. 3 is a schematic diagram of the structure of the elastic rotation component of the present invention.

Fig. 4 is a schematic diagram of the structure of the ball support plate in the present invention.

Reference signs: support rod 1, base plate 2, mounting horizontal plate 3, placement tank 4, ball support plate 5, guide ball channel 6, vibration sensor 8, shift plate 9, electric cylinder 11, socket 12, Baffle rod 13, pressure sensor 14, support rod 15, connecting sleeve 16, rotating connecting seat 17, rotating motor 18, transmission gear pair 19, cross bar shaft 20, bearing seat 21, 22, throwing motor 23, incomplete gear 24. Rotating gear 25, elastic revolving assembly 26, fixed ring 27, fixed sleeve 28, return spring 29, side stop 30, convex strip 31.

detailed description

The following embodiments will describe the present invention in detail in conjunction with the accompanying drawings. In the accompanying drawings or descriptions, similar or identical parts use the same reference numerals, and in practical applications, the shape, thickness or height of each component can be expanded or reduced. The embodiments listed in the present invention are only used to illustrate the present invention, and are not used to limit the scope of the present invention. Any obvious modification or alteration made to the present invention does not depart from the spirit and scope of the present invention.

Example 1

Please refer to Figures 1 to 4, in an embodiment of the present invention, an automatic volleyball serving device for sports training includes a supporting rod 1, a base substrate 2 and a placing tank 4, and a mounting horizontal plate is fixed on the top of the supporting rod 1 3. The placing groove 4 is fixed on the upper part of the mounting horizontal plate 3 and the bottom wall of the placing groove 4 is provided with a guiding ball channel 6 with a port extending to the lower side of the mounting horizontal plate 3 and facing horizontally, and the guiding ball channel 6 is provided at the port There is a ball support board 5, the lower end of the mounting horizontal plate 3 is provided with an electric drive throwing mechanism that can throw volleyballs intermittently, the ball support board 5 is provided with a pressure sensor 14 and the electric drive throwing mechanism is provided There is a vibration sensor 8, the top wall of the port of the guide ball channel 6 is provided with a socket 12 and a blocking rod 13 sliding therein is arranged in the socket 12, and the upper end of the blocking rod 13 is fixedly connected to the mounting horizontal plate through an electric cylinder 11 3, the vibration sensor 8 and the ball support plate 5 are electrically connected in series with the electric cylinder 11. When in use, place the volleyball inside the placing tank 4, and the volleyball inside the placing tank 4 will drop to the guide in an orderly manner. Inside the ball channel 6 and one of the volleyballs will roll to the upper side of the ball support plate 5, and the rest will be blocked by the blocking lever 13, and then the first volleyball will be thrown up by the electric drive throwing mechanism to realize the serve; When the throwing mechanism stops working, the vibration sensor 8 on it cannot sense its action and the pressure sensor 14 senses the pressure change on the ball support plate 5, so that the electric cylinder 11 is energized and contracted, so that the stop rod 13 extends into the guide ball channel 6 The inner end moves up, and then the next volleyball in the guide ball channel 6 rolls onto the ball support plate 5. Then the pressure sensor 14 senses the pressure on the ball support plate 5 to make the electric cylinder 11 extend, so that the stop rod 13 bottoms. The end again resists the next volleyball and rolls directly to the ball support plate 5 after serving, avoiding the tossing ball that just rolled on the ball support plate 5 when the electric drive tossing mechanism is reset and under the action of inertia;

The electric drive throwing and throwing mechanism includes a crossbar shaft 20, a throwing and throwing motor 23, and an elastic rotation assembly 26 that can make the crossbar shaft 20 quickly rotate. The crossbar shaft 20 is fixed on the mounting crossbar by a bearing seat 21 at its end. On the board 3, the output end of the dial-throwing motor 23 is provided with an incomplete gear 24 and the incomplete gear 24 intermittently meshes with the rotating gear 25 provided at the end of the crossbar shaft 20, and a lower extension is provided on the rod wall of the crossbar shaft 20 To the shift plate 9 on the side of the ball tray 5, the end of the cross bar shaft 20 away from the support rod 15 is provided with an elastic rotation component 26 fixed on the mounting cross plate 3; the elastic rotation component 26 includes side fixing The fixing ring 27 on the mounting cross plate 3 and the fixing sleeve 28 fixed on the end of the cross bar shaft 20, the outer wall of the fixing sleeve 28 is connected to the inner wall of the fixing ring 27 through a plurality of return springs 29; and the dial-throwing motor 23 When starting, the engagement between the incomplete gear 24 and the rotating gear 25 causes the crossbar shaft 20 to rotate and drives the crossbar shaft 20 to rotate, so that the bottom of the dial 9 is far away from the volleyball on the ball support plate 5 and the fixed ring 27 and the fixed sleeve The return spring 29 between 28 stretches, and when the incomplete gear 24 is disengaged from the rotating gear 25, under the action of the return spring 29, the crossbar shaft 20 quickly rotates to drive the dial 9 to shift the ball support plate 5 The volleyball is flicked and thrown to quickly realize the serve. In this way, the volleyball can continuously automatically serve and cooperate with the athlete's training to help them improve the level of receiving the ball;

The end of the ball support plate 5 away from the ball guide channel 6 is provided with an inclined upward side stop 30 and the upper end surface of the ball support plate 5 is provided with two convex strips 31. When the volleyball rolls onto the ball support plate 5, the convex The strip 31 can restrict the movement of the two sides of the volleyball, and prevent the volleyball from falling from the side of the ball support board 5.

Example 2

The difference between the embodiment of the present invention and the embodiment 1 is that the bottom of the support rod 1 is rotatably connected to the base substrate 2 through a rotating connection seat 17 and the base substrate 2 is provided with a driving assembly that can drive the support rod 1 to rotate. The drive assembly includes a rotating motor 18, the output end of the rotating motor 18 is connected to the support rod 1 through a transmission gear pair 19, the base substrate 2 is also provided with an inclined support rod 15 and the top of the support rod 15 is fixed with a connecting rotation The sleeve 16, the connecting sleeve 16 is rotatably mounted on the support rod 1; the support rod 1 can be driven to rotate by the rotating motor 18, so that the thrown volleyball is multi-directional, which can adapt to the athlete's multi-position receiving ball and improve its catching strain The setting of the support rod 15 can effectively improve the support strength of the support rod 1.

The above are only specific implementations of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present disclosure. It should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

An automatic volleyball serving device for sports training, comprising a support rod (1), a base substrate (2) and a placing groove (4), the top of the support rod (1) is fixed with a mounting horizontal plate (3), and It is characterized in that the placing tank (4) is fixed on the upper part of the mounting horizontal plate (3) and the bottom wall of the placing tank (4) is provided with a port extending to the lower side of the mounting horizontal plate (3) and a horizontally oriented ball guide channel (6). ), a ball support plate (5) is provided at the port of the ball guide channel (6), and an electric drive throwing and throwing mechanism that can throw the volleyball intermittently is provided at the lower end of the mounting horizontal plate (3), the ball A pressure sensor (14) is provided on the pallet (5) and a vibration sensor (8) is provided on the electric drive dial-throwing mechanism. The top wall of the port of the guide ball channel (6) is provided with a socket (12) and the socket (12) A stop rod (13) sliding in it is arranged inside, the upper end of the stop rod (13) is fixedly connected to the mounting horizontal plate (3) through an electric cylinder (11), a vibration sensor (8) and a ball support plate (5) It is electrically connected in series with the electric cylinder (11).
The automatic volleyball serving device for sports training according to claim 1, characterized in that the electrically-driven throwing and throwing mechanism includes a crossbar shaft (20), a throwing and throwing motor (23) and a fast-tracking device that can make the crossbar shaft (20) fast. The revolving elastic revolving assembly (26), the cross bar shaft (20) is fixed on the mounting cross plate (3) through the bearing seat (21) at its end, and the output end of the throwing motor (23) is set incompletely The gear (24) and the incomplete gear (24) intermittently mesh with the rotating gear (25) provided at the end of the crossbar shaft (20), and the lower side of the rod wall of the crossbar shaft (20) extends to the ball support plate ( 5) The side shift plate (9), the end of the crossbar shaft (20) away from the support rod (15) is provided with an elastic rotation component (26) fixed on the mounting cross plate (3).
The automatic volleyball serving device for sports training according to claim 2, wherein the elastic rotating assembly (26) includes a fixed ring (27) fixed on the mounting horizontal plate (3) and fixed on the crossbar. A fixing sleeve (28) on the end of the shaft (20), the outer wall of the fixing sleeve (28) is connected to the inner wall of the fixing ring (27) through a plurality of return springs (29).
The automatic volleyball serving device for sports training according to claim 1, wherein the end of the ball support plate (5) away from the ball guide channel (6) is provided with an inclined upward side block (30) and the ball Two convex strips (31) are arranged on the upper end surface of the supporting plate (5).
The automatic volleyball serving device for sports training according to any one of claims 1 to 4, wherein the bottom of the support rod (1) is rotatably connected to the base substrate (2) through a rotating connection seat (17) and the base substrate (2) A driving assembly capable of driving the support rod (1) to rotate is provided on the (2).
The automatic volleyball serving device for sports training according to claim 5, wherein the drive assembly includes a rotating motor (18), and the output end of the rotating motor (18) passes through a transmission gear pair (19) and a support rod (1). ) To connect.
The automatic volleyball serving device for sports training according to claim 6, characterized in that the base substrate (2) is further provided with an inclined strut (15) and a connecting sleeve (15) is fixed on the top of the strut (15). 16), the connecting sleeve (16) is rotatably installed on the support rod (1).