CN110302522A - A kind of spiking and throwing equipment for sports volleyball teaching - Google Patents

Abstract

The invention discloses a spiking and throwing equipment for sports volleyball teaching, which belongs to the technical field of training equipment. The transition chamber at the bottom of the ball collecting bucket of the smashing and throwing equipment is connected with the serving chamber through a channel, the first baffle provided in the transition chamber is connected with a first vertical rod, and the bottom end of the first vertical rod penetrates into the box It is connected with the driving mechanism; the driving mechanism includes a circular track, and an arc-shaped slider is slidably connected in the annular track, and the upper end of the arc-shaped slider is hinged with a connecting rod. The bottom of the throwing board is provided with a second vertical bar with a rack, the serrations of the arc-shaped sliding part are engaged with the rack on the second vertical bar, and the bottom of the second vertical bar is provided with a lift device. The spiking ball throwing device of the present invention realizes the orderliness and continuity of the ball throwing process through the tooth rack of the second vertical bar and the sawtooth engagement on the arc-shaped sliding part; Strength, reduce the energy consumption of the lifting device.

Description

A kind of spiking and throwing equipment for sports volleyball teaching

technical field

The invention relates to the technical field of training equipment, in particular to a spiking and throwing equipment for sports volleyball teaching.

Background technique

Volleyball is a team ball game played between two teams over a net and is one of the most popular sports in the world. Smash is one of the most difficult techniques for volleyball beginners to master. When teaching sports volleyball for spiking training, the teacher will guide the students to conduct training after explaining the essentials of the movements and the corresponding demonstration actions. Either the ball is thrown high, and only the lower part of the ball is hit during the spike; or the ball is thrown low, and the spike position is too low, resulting in the ball not being able to pass the net, or because the spike point is not accurate, the ball goes to the sidelines Fly out, so the difficulty of spike training mainly lies in accurately grasping the spike time and take-off position. In order for beginners to quickly master the spike technique, the height and landing point of the throw must be kept stable so that beginners can find the jumping point as soon as possible. Ball timing and take-off position. Using manpower to throw the ball does not guarantee that each throw is in a stable state, which will inevitably affect the training efficiency. Therefore it is feasible to invent a throwing training equipment that cooperates with spiking.

Contents of the invention

The object of the present invention is to provide a kind of spiking and throwing equipment for sports volleyball teaching in order to overcome the problems in the prior art.

The invention provides a spiking and throwing equipment for sports volleyball teaching, which includes a box body, on which a ball collecting bucket and a serving chamber are arranged, and the bottom end of the ball collecting bucket is connected with a transition chamber, the transition chamber and the serving chamber Through channel connection, a first baffle is provided in the transition chamber, and one end of the first baffle is connected with a first vertical rod, and the bottom end of the first vertical rod penetrates into the box body and is arranged in the box body. The driving mechanism is connected; the driving mechanism includes an annular track provided on the inner wall of the box, and an arc-shaped slider is slidably connected in the annular track, and a connecting rod is hinged on the upper end of the arc-shaped sliding element. The bar is hinged with the bottom end of the first vertical bar, the bottom of the ball delivery chamber is provided with a ball throwing board, the bottom of the described ball throwing board is provided with a second vertical rod with a rack, and the outer part of the arc-shaped sliding part The edge is provided with sawtooth, the rack on the second vertical bar is engaged with the sawtooth, and the bottom of the second vertical bar is provided with a lifting device.

Preferably, a horizontal rod is also provided between the second vertical rod and the ball throwing board, one end of the horizontal rod is fixed on the top of the second vertical rod, and the other end of the horizontal rod is fixed to the bottom of the ball throwing board through a support rod connected, the horizontal bar is hinged on the box body, and the hinge point is arranged at the end of the horizontal bar close to the second vertical bar.

Preferably, a first riser is provided on the side of the first baffle close to the channel.

Preferably, a second vertical board is provided on the side of the ball throwing board close to the channel, and openings for the second vertical board to pass through the cabinet are provided on the bottom of the serving chamber and the top surface of the box.

Preferably, the lifting device is a hydraulic lifting rod or a scissor lifting device.

Preferably, a vertical partition is provided inside the box, and the vertical partition divides the box into a drive mechanism storage box and a storage box.

Preferably, the bottom of the box is provided with an extension extending around, and the bottom of the extension is provided with rollers.

Preferably, the box body is arranged on the angle adjustment device, and the angle adjustment device includes a base, the end of the base is hinged with an angle adjustment plate through a hinge shaft, and the base is also provided with a bracket for adjusting the angle of the angle adjustment plate. The hydraulic support rod and the box are set on the angle adjustment plate.

Compared with the prior art, the beneficial effect of the present invention is: the spiking and throwing equipment of the present invention engages the tooth rack provided on the second vertical rod with the sawtooth on the arc-shaped slider, so that the second vertical rod rises Throw the volleyball in the serving chamber, and at the same time, the arc-shaped sliding part drives the first baffle to leave the serving port through the connecting rod, so that the next ball to be thrown enters the transition chamber, realizing the orderliness and continuity of the throwing process and the height of each toss is controllable, so as to quickly grasp the spiking skills; in the present invention, the force of the toss is increased and the energy consumption of the lifting device is reduced by ingeniously integrating the principle of leverage. The equipment has a simple structure and low energy consumption, and is suitable for use in volleyball teaching.

Description of drawings

Fig. 1 is a structural schematic diagram 1 of the present invention;

Fig. 2 is a structural schematic diagram II of the present invention;

Fig. 3 is a schematic diagram of the connection between the box body and the angle adjusting device of the present invention.

Explanation of reference signs:

1. Box body, 2. Ball collecting bucket, 3. Serving chamber, 31. Throwing board, 311. Second vertical board, 4. Transition chamber, 5. Driving mechanism, 51. Ring track, 52. Arc-shaped sliding Parts, 53. connecting rod, 6. channel, 7. first baffle plate, 71. first vertical plate, 8. first vertical bar, 9. second vertical bar, 10. lifting device, 11. horizontal bar, 12 . Support rod, 13. Base, 14. Angle adjustment plate, 15. Hydraulic support rod.

Detailed ways

The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings 1-3, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

As shown in Figure 1, a kind of spiking and throwing equipment for sports volleyball teaching provided by the present embodiment includes a box body 1, and the box body 1 is provided with a ball collecting bucket 2 and a serving chamber 3, and the ball collecting bucket 2 The bottom end is connected with a transition chamber 4, the transition chamber 4 and the serving chamber 3 are connected through a channel 6, the transition chamber 3 is provided with a first baffle 7, and one end of the first baffle 7 is connected with a first vertical rod 8 , the bottom end of the first vertical rod 8 penetrates the box body 1 and is connected with the driving mechanism 5 arranged in the box body 1; A circular arc-shaped sliding part 52 is slidably connected in the track 51, and a connecting rod 53 is hinged on the upper end of the circular arc-shaped sliding part 52, and the bottom end of the connecting rod 53 and the first vertical rod 8 is hinged. The bottom of the ball throwing plate 31 is provided with a second vertical bar 9 with a rack, the outer edge of the arc-shaped sliding part 52 is provided with sawtooth, and the second vertical bar 9 is provided with a rack. The rack on the rod is engaged with the saw teeth, and the bottom of the second vertical rod 9 is provided with a lifting device 10 .

In this embodiment, before the training begins, a plurality of volleyballs are collected in the ball collecting bucket 2 in advance. The bottom of the ball collecting bucket 2 is provided with a ball outlet connected to the transition chamber 4. The transition chamber 4 and the passage 6 only allow one volleyball. Through, it is ensured that only one ball can enter the serving chamber 3 at a time; the first baffle 7 is used to limit the transition of the ball to the transition chamber 4, and the reciprocating movement of the first baffle 7 realizes intermittent avoidance and Blocking, so that the balls entering the serving chamber 3 have a time interval, and the next ball will enter the serving chamber 3 after the previous ball is thrown;

The purpose of the drive mechanism 5 is to realize the upward movement of the throwing plate 31 to complete the throwing, and at the same time to carry out linkage control on the discharge of the ball collection bucket 2, so that only one power source can be used to realize the first baffle plate 7 and the second vertical baffle. Coordinated movement of rod 9.

The specific working principle is as follows: because the rack of the second vertical rod 9 is engaged with the sawtooth of the arc-shaped sliding member 52, when the lifting device 10 moves upward, the second vertical rod 9 moves upward and pushes the throwing plate 31 to move upward. , so that the volleyball positioned in the serving chamber 3 is thrown, at the same time, the arc-shaped sliding member 52 rotates and slides counterclockwise in the annular track 51, and because one end of the connecting rod 53 is hinged with the arc-shaped sliding member 52, the connecting rod The other end of 53 is hinged with the bottom end of the first vertical rod 8, so when the arc-shaped sliding member 52 rotates counterclockwise along the circular track, the first vertical rod 8 moves to the right, and drives the first baffle plate 7 to move to the right , the first baffle 7 leaves the ball outlet at the bottom of the ball collecting bucket 2, and a ball falls into the transition chamber 4 at this moment;

After the ball in the serving chamber 3 is thrown, the elevating device 10 is lowered, the second vertical bar 9 is lowered, the arc-shaped sliding member 52 slides clockwise, and drives the first baffle plate 7 to continue to block the ball outlet and fall into the transition chamber The volleyball in 4 enters into the serving compartment 3 along the channel 6 due to the thrust of the first baffle 7, repeats the above-mentioned action, completes the second throwing, and so on...

In this embodiment, the strength of throwing the ball is controlled by the lifting speed of the lifting device 10, so the lifting device 10 can be a speed-adjustable electric push rod or a hydraulic lifting device. And the box body of the box body 1 is provided with a lifting speed control panel electrically connected with the lifting device 10, and the rising speed of the lifting device 10 is adjusted through the control panel to realize changing the dynamic force applied to the volleyball plate 31, and then realize the height of the volleyball throw. When the speed is constant and the speed is constant, the height of the thrown ball remains unchanged when the speed is constant each time. It is suitable for primary trainers to conduct fixed-point spiking training. It is also possible to change the height of the ball to achieve the spiking skills of balls of different heights.

It should be noted that the first baffle 7 can be slidably connected with the transition chamber 4 , so that the movement track of the first baffle 7 is consistent each time and the stability of the first baffle 7 is improved.

The bottom of the transition chamber 4 is provided with a groove, which is used to make the ball falling into the transition chamber 4 be located in the transition chamber 4. When the first baffle plate 7 resets, the ball generates a thrust, and the ball enters the serving chamber 3;

In the training process, volleyballs should be replenished in the ball collecting bucket 2 in time to ensure the continuity of training.

Example 2

In order to adjust the throwing force and the throwing height of the ball without increasing the energy consumption of the lifting device 10, a horizontal rod 11 is also provided between the second vertical rod 9 and the ball throwing plate 31, so One end of the horizontal bar 11 is fixed on the top of the second vertical bar 9, and the other end of the horizontal bar 11 is fixedly connected with the bottom of the throwing plate 31 through the support bar 12, and the horizontal bar 11 is hinged on the box body 1, and The hinge point is located at the end of the horizontal bar 11 close to the second vertical bar 9 .

In this embodiment, the horizontal rod 11 is hinged on the inner wall of the box body 1, and one end of the horizontal rod 11 is connected to the second vertical rod 9, and the other end of the horizontal rod 11 is fixedly connected to the bottom of the throwing plate 31 through the support rod 12 Therefore, the horizontal rod 11 can be used as a lever to increase the throwing height of the volleyball without increasing the power of the lifting device 10, reduce the loss of the lifting device 10, and prolong its service life.

In order to effectively push the volleyballs falling into the transition chamber 4 into the channel 6 , a first vertical plate 71 is provided on the side of the first baffle plate 7 close to the channel 6 .

In order to prevent the volleyball in the passage 6 from entering the serving chamber 3 before the throwing board 31 resets and returns to the bottom of the serving chamber, causing the reset of the throwing board 31 to be restricted, a second side is provided on the side of the throwing board 31 near the passage 6. There are two vertical boards 311 , and the bottom of the serving chamber 3 and the top surface of the box body 1 are provided with an opening for the second vertical board 311 to penetrate into the box body 1 .

Preferably, the lifting device 10 is a hydraulic lifting rod or a scissor lifting device.

In order to increase the stability of the whole device and increase the contact area between the box body 1 and the ground, the bottom of the box body 1 is provided with an extension extending around. In order to make the smashing and throwing equipment of the present invention easy to move, the extension part The bottom has rollers.

In order to realize the regulation of throwing angle, box body 1 is located on the angle adjustment device, and described angle adjustment device comprises base 13, and the end of described base 13 is hinged with angle adjustment plate 14 by hinge shaft, and on described base 13 Also be provided with the hydraulic support bar 15 that is used to adjust the angle of the angle adjustment plate 14, the box body 1 is located on the angle adjustment plate 14, the spiking and throwing equipment of the present invention is arranged on the support device that can adjust the angle, through the angle adjustment device The change in the angle of the ball can realize the change of the angle of the spiking and throwing equipment, and then realize the change of the throwing angle.

To sum up, the spiking and throwing device of the present invention engages the rack provided on the second vertical rod with the sawtooth on the arc-shaped slider, so that the second vertical rod is raised to throw the volleyball in the serving chamber, and then At the same time, the arc-shaped sliding part drives the first baffle to leave the ball opening through the connecting rod, so that the next ball to be thrown enters the transition chamber, realizing the order and continuity of the ball throwing process; in the present invention, through the ingenious fusion lever The principle is to increase the force of throwing the ball and reduce the energy consumption of the lifting device. The spiking and throwing equipment of the present invention has a simple structure and low energy consumption, and is suitable for use in volleyball teaching.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (7)

1. A sports volleyball teaching spiking ball throwing equipment is characterized in that it comprises a casing (1), and the casing (1) is provided with a ball collecting bucket (2) and a serving chamber (3), and the ball collecting The bottom end of the bucket (2) is connected with a transition chamber (4), the transition chamber (4) and the serving chamber (3) are connected through a channel (6), and the transition chamber (3) is provided with a first baffle (7) , one end of the first baffle (7) is connected with a first vertical rod (8), the box body (1) is provided with a through groove, and the bottom end of the first vertical rod (8) penetrates into the through groove to enter The casing (1) is connected with the drive mechanism (5) located in the casing (1); the drive mechanism (5) includes an annular track (51) provided on the inner wall of the casing (1), and the annular track (51) is slidingly connected with an arc-shaped sliding part (52), and the upper end of the arc-shaped sliding part (52) is hinged with a connecting rod (53), and the connecting rod (53) and the first vertical rod (8 ) is hinged at the bottom, the bottom of the serving chamber (3) is provided with a throwing plate (31), and the bottom of the throwing plate (31) is provided with a second vertical rod (9) with a rack. The outer edge of the arc-shaped sliding member (52) is provided with sawtooth, the rack on the second vertical bar (9) is engaged with the sawtooth, and the bottom of the second vertical bar (9) is provided with a lifting device (10 ). 2. The spiking and throwing equipment for sports volleyball teaching as claimed in claim 1, characterized in that, a horizontal bar (11) is also provided between the second vertical bar (9) and the throwing plate (31), One end of the horizontal rod (11) is fixed on the top of the second vertical rod (9), and the other end of the horizontal rod (11) is fixedly connected with the bottom of the throwing plate (31) by the support rod (12), and the horizontal The rod (11) is hinged on the box body (1), and the hinge point is located at the end of the horizontal rod (11) close to the second vertical rod (9). 3. The spiking and throwing equipment for sports volleyball teaching according to claim 1, characterized in that, a first vertical plate (71) is provided on the side of the first baffle (7) close to the channel (6). 4. The spiking and throwing equipment for sports volleyball teaching according to claim 1, characterized in that, the side of the throwing board (31) near the passage (6) is provided with a second vertical board (311), and The bottom of the serving chamber (3) and the top surface of the box (1) are provided with an opening for the second riser (311) to penetrate into the box (1). 5. The spiking and throwing equipment for sports volleyball teaching according to claim 1, characterized in that, the lifting device (10) is a hydraulic lifting rod or a scissor lifting device. 6. The spiking and throwing equipment for sports volleyball teaching according to claim 1, characterized in that, the bottom of the box (1) is provided with an extension extending around, and the bottom of the extension is provided with rollers . 7. The spiking and throwing equipment for sports volleyball teaching as claimed in claim 1, characterized in that, said casing (1) is arranged on an angle adjustment device, and said angle adjustment device comprises a base (13), said The end of the base (13) is hinged with an angle adjustment plate (14) by a hinge shaft, and the base (13) is also provided with a hydraulic support rod (15) for adjusting the angle of the angle adjustment plate (14), and the box body (1 ) is located on the angle adjustment plate (14).