CN214679960U

CN214679960U - Volleyball training auxiliary device

Info

Publication number: CN214679960U
Application number: CN202120127862.6U
Authority: CN
Inventors: 蒋作文
Original assignee: Hunan Vocational College of Electronic and Technology
Current assignee: Hunan Vocational College of Electronic and Technology
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-11-12
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses a volleyball training auxiliary device, which relates to the field of sports auxiliary appliances; including base, fixed plate, fixing device, rotary device, elevating gear and jettison device, the frame has been placed to the top surface of base, the inside of base is equipped with fixing device, fixing device includes first motor, two-way lead screw, first nut and splint, the inside of base is equipped with first motor, the inside of base is equipped with two-way lead screw, first motor is connected with two-way screw drive, the screw symmetry on the two-way lead screw is opposite, the symmetry is equipped with first nut on the two-way lead screw, connecting rod and splint fixed connection are passed through to the top of first nut, splint are established respectively in the both sides of frame.

Description

Volleyball training auxiliary device

Technical Field

The utility model relates to a sports assistive device field specifically is a volleyball training auxiliary device.

Background

Volleyball sports are one of the most common sports items developed in China, and when volleyball training is performed, a coach is usually used for serving, and ball receiving and blocking exercises are performed on a player, but arms and shoulder joints are damaged due to long-time arm swinging and ball hitting, so that in order to reduce the labor intensity, auxiliary devices are used during training.

The angle and the dynamics that the volleyball was launched can not be adjusted to current auxiliary device in market, and the function is comparatively single, does not deposit the frame of volleyball in addition on the device, when moving the frame, also makes the frame topple over because of rocking easily to lead to the phenomenon that the volleyball dropped.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a volleyball training auxiliary device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a volleyball training auxiliary device, includes base, fixed plate, launches chamber, fixing device, rotary device, elevating gear and jettison device, the frame has been placed on the top surface of base, the bottom of base is equipped with the universal wheel, the inside of base is equipped with fixing device, fixing device includes first motor, two-way lead screw, first nut and splint, the inside of base is equipped with first motor, the inside of base is equipped with two-way lead screw, the output shaft and the two-way screw drive of first motor are connected, screw symmetry on the two-way lead screw is opposite, the symmetry is equipped with first nut on the two-way lead screw, connecting rod and splint fixed connection are passed through at the top of first nut, splint are established respectively in the both sides of frame.

As a further aspect of the present invention: the utility model discloses a lead screw, including base, inner wall, elevating gear, lead screw, second nut and second motor, the top right side of base is equipped with the fixed plate, the inside of fixed plate is equipped with elevating gear, elevating gear includes lead screw, second nut and second motor, the inside of fixed plate is equipped with the lead screw, the both ends of lead screw are rotated with the inner wall of fixed plate and are connected, the top of fixed plate is equipped with the second motor, the output shaft and the lead screw transmission of second motor are connected, be equipped with threaded connection's second nut on the lead screw.

As a further aspect of the present invention: the left side surface of the second nut is fixedly connected with the first connecting plate, a rotating device is arranged at the top of the first connecting plate and comprises a third motor, a turbine, a worm and a fixing block, and the right side surface of the top of the first connecting plate is fixedly connected with the third motor.

As a further aspect of the present invention: an output shaft of the third motor is in transmission connection with a worm, the worm is meshed with a worm wheel, the left end and the right end of the output shaft of the worm wheel are in transmission connection with fixed blocks respectively, the tops of the fixed blocks are fixedly connected with the surfaces of the two sides of the ejection cavity, and a ball discharge port is formed in the surface of the top of the ejection cavity.

As a further aspect of the present invention: the ejection device is arranged in the ejection cavity and comprises a cylinder, a second connecting plate, a spring, an ejection plate, an electromagnet and a partition plate, the cylinder is arranged in the ejection cavity, the output end of the cylinder is fixedly connected with the second connecting plate, the partition plate is arranged in the ejection cavity on the left side of the second connecting plate, and the partition plate is fixedly connected with the inner wall of the ejection cavity.

As a further aspect of the present invention: the second connecting plate is fixedly connected with the connecting rod, the connecting rod penetrates through the partition board and is fixedly connected with the electromagnet, the iron ejection plate is arranged on the left side of the electromagnet, the middle of the ejection plate is fixedly connected with the spring, and the other end of the spring is fixedly connected with the surface of the partition board.

Compared with the prior art, the beneficial effects of the utility model are that: the ejection of the volleyballs is realized through the matching of the air cylinder, the electromagnet, the spring and the ejection plate, and the force for ejecting the volleyballs can be controlled by controlling the compression amount of the spring; the change of the ejection angle is realized through the worm wheel and the worm, the use is convenient, and the structure is simple.

Drawings

Fig. 1 is a schematic structural view of a volleyball training auxiliary device.

Fig. 2 is a top view of a turbine in the volleyball training aid.

Fig. 3 is a schematic structural view of the volleyball training auxiliary device after the inclination angle is changed.

In the figure: 1-base, 2-universal wheel, 3-bidirectional screw rod, 4-first nut, 5-first motor, 6-splint, 7-frame, 8-fixing plate, 9-screw rod, 10-second nut, 11-second motor, 12-first connecting plate, 13-ball-releasing port, 14-ejection cavity, 15-third motor, 16-turbine, 17-worm, 18-fixing block, 19-cylinder, 20-second connecting plate, 21-spring, 22-ejection plate, 23-electromagnet and 24-clapboard.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in embodiment 1 of the present invention, an auxiliary device for volleyball training comprises a base 1, a fixing plate 8, an ejection cavity 14, a fixing device, a rotating device, a lifting device and an ejection device, wherein a frame 7 is disposed on the top surface of the base 1, universal wheels 2 are disposed on the bottom of the base 1, the fixing device is disposed inside the base 1 and is used for fixing the frame 7 so that the frame 7 does not shake during transportation, the fixing device comprises a first motor 5, a bidirectional screw rod 3, a first nut 4 and a clamping plate 6, a first motor 5 is disposed inside the base 1, the bidirectional screw rod 3 is disposed inside the base 1, an output shaft of the first motor 5 is in transmission connection with the bidirectional screw rod 3, threads on the bidirectional screw rod 3 are symmetrically opposite, the first nut 4 is symmetrically disposed on the bidirectional screw rod 3, the top of the first nut 4 is fixedly connected with the clamping plate 6 through a connecting rod, the clamping plates 6 are respectively arranged at two sides of the frame 7.

Example 2

Referring to fig. 1 to 3, the main differences between the embodiment 2 and the embodiment 1 are: the right side of the top of the base 1 is provided with a fixing plate 8, a lifting device is arranged inside the fixing plate 8, and aims to change the ejection height and enable volleyball to be shot more flexibly, the lifting device comprises a lead screw 9, a second nut 10 and a second motor 11, the lead screw 9 is arranged inside the fixing plate 8, two ends of the lead screw 9 are rotatably connected with the inner wall of the fixing plate 8, the top of the fixing plate 8 is provided with the second motor 11, an output shaft of the second motor 11 is in transmission connection with the lead screw 9, the lead screw 9 is provided with the second nut 10 in threaded connection, the left side surface of the second nut 10 is fixedly connected with a first connecting plate 12, the top of the first connecting plate 12 is provided with a rotating device, and the aim is to change the shooting angle;

the rotating device comprises a third motor 15, a worm wheel 16, a worm 17 and a fixed block 18, the right side surface of the top of the first connecting plate 12 is fixedly connected with the third motor 15, an output shaft of the third motor 15 is in transmission connection with the worm 17, the worm 17 is meshed with the worm wheel 16, the left end and the right end of the output shaft of the worm wheel 16 are in transmission connection with the fixed block 18 respectively, the top of the fixed block 18 is fixedly connected with the surfaces of the two sides of the ejection cavity 14 so as to fix the ejection cavity 14, the top surface of the ejection cavity 14 is provided with a ball discharge port 13 for discharging volleyballs, and an ejection device is arranged in the ejection cavity 14;

the ejection device includes cylinder 19, second connecting plate 20, spring 21, launches board 22, electro-magnet 23 and baffle 24, the inside of launching chamber 14 is equipped with cylinder 19, the output and the 20 fixed connection of second connecting plate of cylinder 19, the inside of launching chamber 14 is equipped with baffle 24 in the left side of second connecting plate 20, and the purpose is extrusion spring, baffle 24 and the inner wall fixed connection who launches chamber 14, second connecting plate 20 and connecting rod fixed connection, the connecting rod runs through baffle 24, and with electro-magnet 23 fixed connection, the purpose of electro-magnet 23 is adsorbed with launching board 22, the left side of electro-magnet 23 is equipped with the board 22 that launches of iron, launch the middle part and the spring 21 fixed connection of board 22, the other end of spring 21 and the fixed surface of baffle 24 are connected.

The utility model discloses a theory of operation is: firstly putting volleyballs into the ejection cavity 14 from the volleyball outlet 13, then starting the motor, namely a third motor 15, wherein an output shaft of the third motor 15 enables a worm 17 to rotate, the worm 17 enables a turbine 16 to rotate, the turbine 16 enables a fixed block 18 to rotate, the fixed block 18 enables the angle of the ejection cavity 14 to change, then starting a second motor 11, enabling a lead screw 9 to rotate by the second motor 11, enabling a second nut 10 to ascend or descend by the lead screw 9, adjusting the height, finally enabling an electromagnet 23 to be electrified and magnetized, then starting an air cylinder 19, enabling the air cylinder 19 to enable a second connecting plate 20 and an ejection plate 22 to approach to the bottom of the ejection cavity 14, compressing a spring 21, then disconnecting the electric connection of the electromagnet 23 to enable the electromagnet 23 to lose the magnetism, ejecting the ejection plate 22 to be ejected under the action of the spring 21, ejecting the volleyballs, and when the volleyballs need to be sorted, putting the volleyballs into the frame 7, the first motor 5 is then activated, the first motor 5 rotating the two-way screw 3, the two-way screw 3 moving the first nuts 4 towards each other until the clamping plates 6 grip the frame 7, enabling the frame 7 to remain stable during the movement of the device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A volleyball training auxiliary device is characterized by comprising a base (1), a fixing plate (8), an ejection cavity (14), a fixing device, a rotating device, a lifting device and an ejection device, wherein a frame (7) is placed on the top surface of the base (1), universal wheels (2) are arranged at the bottom of the base (1), the fixing device is arranged inside the base (1) and comprises a first motor (5), a bidirectional screw rod (3), a first nut (4) and a clamping plate (6), the first motor (5) is arranged inside the base (1), the bidirectional screw rod (3) is arranged inside the base (1), an output shaft of the first motor (5) is in transmission connection with the bidirectional screw rod (3), threads on the bidirectional screw rod (3) are symmetrically opposite, the first nuts (4) are symmetrically arranged on the bidirectional screw rod (3), the top of the first nut (4) is fixedly connected with the clamping plates (6) through connecting rods, and the clamping plates (6) are respectively arranged on two sides of the frame (7).

2. Volleyball training auxiliary device of claim 1, wherein a fixing plate (8) is arranged on the right side of the top of the base (1), a lifting device is arranged inside the fixing plate (8), the lifting device comprises a screw rod (9), a second nut (10) and a second motor (11), the screw rod (9) is arranged inside the fixing plate (8), two ends of the screw rod (9) are rotatably connected with the inner wall of the fixing plate (8), the second motor (11) is arranged on the top of the fixing plate (8), an output shaft of the second motor (11) is in transmission connection with the screw rod (9), and the second nut (10) in threaded connection is arranged on the screw rod (9).

3. Volleyball training aid according to claim 2, wherein the left side surface of the second nut (10) is fixedly connected with a first connecting plate (12), the top of the first connecting plate (12) is provided with a rotating device, the rotating device comprises a third motor (15), a worm wheel (16), a worm (17) and a fixed block (18), and the top right side surface of the first connecting plate (12) is fixedly connected with the third motor (15).

4. The volleyball training auxiliary device of claim 3, wherein an output shaft of the third motor (15) is in transmission connection with a worm (17), the worm (17) is meshed with a worm wheel (16), the left end and the right end of the output shaft of the worm wheel (16) are in transmission connection with a fixed block (18) respectively, the top of the fixed block (18) is fixedly connected with the surfaces of the two sides of the ejection cavity (14), and the top surface of the ejection cavity (14) is provided with a volleyball discharge opening (13).

5. Volleyball training auxiliary device of claim 1 or 4, wherein the ejection chamber (14) is internally provided with an ejection device, the ejection device comprises a cylinder (19), a second connecting plate (20), a spring (21), an ejection plate (22), an electromagnet (23) and a partition plate (24), the cylinder (19) is arranged inside the ejection chamber (14), the output end of the cylinder (19) is fixedly connected with the second connecting plate (20), the partition plate (24) is arranged inside the ejection chamber (14) on the left side of the second connecting plate (20), and the partition plate (24) is fixedly connected with the inner wall of the ejection chamber (14).

6. Volleyball training auxiliary device of claim 5, wherein the second connecting plate (20) is fixedly connected with a connecting rod, the connecting rod penetrates through the partition plate (24) and is fixedly connected with the electromagnet (23), an iron ejection plate (22) is arranged on the left side of the electromagnet (23), the middle part of the ejection plate (22) is fixedly connected with the spring (21), and the other end of the spring (21) is fixedly connected with the surface of the partition plate (24).