CN114307112B - Volleyball single training is with catching ball throwing device - Google Patents

Abstract

The invention relates to the technical field of physical training devices, in particular to a ball catching and throwing device for volleyball single training; the ball collecting device comprises a support, wherein a vertical guide rail is arranged on one side of the lower part of the support, a fixed block is arranged on the lower part of one side of the guide rail, which is far away from the support, a sliding block in sliding fit with the guide rail is arranged on the guide rail, the sliding block is positioned above the fixed block, a first spring is fixedly arranged between the sliding block and the fixed block, a circular ring is fixedly arranged on the outer side of the sliding block through a cross rod, a vertical ball collecting device in contact fit with the circular ring is arranged in the circular ring, and a connecting telescopic device which can be connected with the ball collecting device into a whole and pushes the ball collecting device to move along the axis direction of the circular ring is arranged below the ball collecting device; the electric telescopic rod is contracted to serve as a power source for energy storage of the first spring and the second spring, the ball catcher and the volleyballs move downwards at the same time through the elastic force of the first spring, the volleyballs are separated from the conical tube part, the ball striking plate is triggered to turn over through inertia, and therefore the volleyballs above are struck from the lower side through the ball striking plate, and therefore the service is finished.

Description

A smashing and throwing device for single-player volleyball training

technical field

The invention relates to the technical field of sports training devices, in particular to a smashing and throwing device for single-player volleyball training.

Background technique

Volleyball is a multiplayer sport. A single person cannot complete the operation of serving and catching the ball in daily training. Therefore, when training alone, a device is needed to spike the ball. To serve the volleyball is to throw the volleyball into the air first, and then Serve the ball obliquely from the bottom of the volleyball, but most of the smashing and throwing devices in the prior art simply throw the volleyball from one side without the preparatory action of throwing the volleyball into the air, which is different from the actual operation and is easy This makes the trainers deviate between training and actual combat, which easily affects the training effect.

Contents of the invention

In order to solve the problems existing in the prior art that it is difficult for a single person to perform volleyball receiving and smashing training alone, and the existing ball-serving device is not accurate enough to simulate a person serving the ball, the present invention provides a spiking and throwing device for single-player volleyball training.

Technical scheme of the present invention is:

The invention provides a spiking and throwing device for single-player volleyball training. block, the slider is located above the fixed block, the first spring is fixedly installed between the slider and the fixed block, and the outer side of the slider is fixedly installed with a ring through a cross bar, and a vertical ball receiver is provided in the ring to contact and cooperate with it. The ball catcher includes an upper tapered pipe part and a lower vertical pipe part with a closed lower end. The volleyball can be placed in the tapered pipe part. The connecting telescopic device that moves in the direction of the ring axis, the upper end of the tapered pipe part is hinged to the side of the bracket, and the hitting plate with the concave surface facing the bracket is hinged. The hinge of the hitting plate is equipped with a torsion spring. The tapered pipe is turned over and the ring is always set on the limit traction device on the outer circumference of the ball catcher. When the volleyball in the tapered pipe is serving, the connecting telescopic device can drive the ball catcher and the slider to move downward and store energy again. Disconnection makes the ball catcher move upward relative to the ring under inertia, and the volleyball is thrown above the hitting plate under the action of inertia. When the ring is in contact with the limit traction device, the ring triggers the hitting plate to flip and hit the top volleyball serve.

Further, the connecting telescopic device includes an electric telescopic rod installed on the ground with its movable end facing upwards, the electric telescopic rod is coaxial with the ring, an electromagnet is fixedly installed at the movable end of the electric telescopic rod, and an iron block is provided at the lower end of the ball catcher.

Further, the position-limiting traction device includes a groove provided on the side of the tapered pipe part close to the bracket, the top surface of the tapered pipe part is provided in a second through hole communicating with the groove, and the first wire wheel is rotated and installed in the second through hole. The groove is embedded with a conduit along its length, the upper part of the conduit is provided with a second piston in sealing contact with it, the inner lower part of the conduit is provided with a third piston in sealing contact with it, and the top side of the second piston is provided with a The third through hole communicated with the inside of the conduit, the top surface of the second piston is fixedly connected to the lower end of the first pull cord, the upper end of the first pull cord is fixedly connected to the middle of the convex surface of the hitting plate around the outer circumference of the first pulley, and the lower part of the groove rotates Install the second wire wheel, the second wire wheel is located under the guide tube, and several circular and evenly distributed vertical guide tubes are installed on the outer periphery of the lower part of the vertical tube, one of which is located directly under the guide tube, and the lower part of the vertical tube is rotatably installed on the guide tube One-to-one corresponds to the third wire pulley, the outer side of the lower end of the vertical pipe part is hingedly installed on the guide tube-one corresponds to the arc-shaped block with the concave surface facing upwards, the hinges of the arc-shaped blocks are all equipped with torsion springs, and the lower end of the third piston is fixedly connected to the second piston. The upper end of the stay rope and the lower end of the second stay rope go around the outer circumference of the second wire wheel in turn, pass through the guide tube below it, and then go around the outer circumference of the third wire wheel directly below it and are fixedly connected to the outer end of the corresponding arc block below it. The outer ends of the arc-shaped blocks are respectively fixedly connected to the lower ends of the elastic ropes, and the upper ends of the elastic ropes are all sequentially bypassed above the corresponding third wire pulleys and then fixedly connected to the corresponding lower ends of the guide tubes.

Further, a vertical first through hole is opened on the inner bottom surface of the vertical pipe part, and a first piston is arranged in the vertical pipe part to seal and contact with it. Below the vertical pipe part, iron blocks are fixedly installed at the lower end of the vertical rod.

Further, the upper periphery of the vertical rod is fitted with a second spring, the lower end of the second spring is fixedly connected to the outside of the upper end of the first through hole, and the upper end of the second spring is fixedly connected to the bottom surface of the first piston.

Furthermore, the height of the rails can be adjusted.

Furthermore, the inner wall of the tapered pipe part is fixedly installed with an annular buffer pad.

Furthermore, an annular rubber ring is provided on the outside of the tapered pipe, and the annular rubber ring is in contact with the ring.

Furthermore, the upper end of the bracket is provided with a ball releasing device capable of releasing volleyballs one by one.

Furthermore, a hitting pad is fixedly installed on the convex surface of the hitting plate.

The beneficial effects achieved by the present invention are:

The present invention uses the electric telescopic rod to pull the ball catcher to move downward and at the same time pulls the slider to move downward to compress the first spring. The contraction of the electric telescopic rod is used as the power source for the energy storage of the first spring and the second spring. Sudden power failure, the ball catcher and the volleyball move downward at the same time through the elastic force of the first spring, and the volleyball is separated from the tapered pipe part under the action of the second spring and the first piston, thereby utilizing the inertia of the ball catcher to move upward The flipping of the batting board is triggered to hit the volleyball above from the lower side through the batting board to complete the serve, and the whole device has a compact structure, and the whole movement of throwing the ball and serving the ball is coherent and complete in one go, which can accurately imitate the human volleyball serving action, with It is beneficial for a single person to carry out spiking training; at the same time, the present invention adopts a ball discharging device that discharges balls sequentially from the top of the ball receiver, and can serve continuously, which is convenient for a single person to conduct continuous training. At the same time, the present invention adopts height-adjustable guide rails and round The design of the ring can adjust the height of the serve, so that it can further simulate the serve of people of different heights in actual combat.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is an enlarged view of part I in Fig. 1 .

Fig. 3 is an enlarged view of part II in Fig. 2 .

Fig. 4 is an enlarged view of part III in Fig. 2 .

Fig. 5 is a use state diagram of the present invention.

In the figure, 1. bracket; 2. guide rail; 3. fixed block; 4. slider; 5. first spring; 6. ring; 7. ball catcher; 8. volleyball; 9. iron block; 10. electric Telescopic rod; 11, electromagnet; 12, groove; 13, second through hole; 14, conduit; 15, third piston; 16, third through hole; 17, hitting board; 18, hitting pad; 19 , the third piston; 20, the second wire wheel; 21, the first wire wheel; 22, the first stay cord; 23, the arc block; 24, the third wire wheel; 25, the guide tube; 26, the second stay cord; 27 , elastic rope; 28, buffer pad; 29, annular rubber ring; 71, tapered pipe portion; 72, vertical pipe portion; 73, first through hole; 74, first piston; 75, vertical rod; 30, second spring.

Detailed ways

In order to make it easier for those skilled in the art to understand the present invention, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

In the description of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

It should be noted that when a component is said to be "mounted on" another component, it may be directly on the other component or there may be an intervening component. When a component is said to be "set on" another component, it may be set directly on the other component or there may be an intervening component at the same time. When a component is said to be "fixed" to another component, it may be directly fixed to the other component or there may be an intervening component at the same time.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

As shown in Figures 1 to 5, the present invention provides a spiking and throwing device for single-player volleyball training, which includes a bracket 1, and a ball releasing device capable of releasing volleyballs 8 one by one is installed on the upper end of the bracket 1. Of course, the ball discharging device can also be Installed on the wall on one side of the training field, it only needs to ensure that the ball releasing device can release the volleyball sequentially from above.

A vertical guide rail 2 is installed on the right side of the bracket 1, as shown in Figure 1, a fixed block 3 is installed at the bottom of the guide rail 2, and a slide block 4 is provided on the right side of the guide rail 2 to slide and cooperate with it, between the slide block 4 and the fixed block 3 The first spring 5 is fixedly installed, and the outside of the slide block 4 is fixedly installed with a cross bar 5, and the outer end of the cross bar 5 is fixedly installed with a ring 6, and a funnel-shaped ball catcher 7 is arranged in the ring 6, and the ball catcher 7 is located at Below the ball outlet of the ball outlet device, the volleyball 8 will drop down from the ball outlet device to the inside of the ball receiver 7. Of course, the guide rail 2 can be designed to be height-adjustable, so that the height of the ball receiver 7 can be adjusted, and the height of the ball receiver 7 can be adjusted at the same time. The height of the serve.

The ball catcher 7 comprises a tapered pipe portion 71 positioned at the top and a vertical pipe portion 72 closed at the lower end. The inner diameter of the vertical pipe portion 72 is the same as that of the lower end of the tapered pipe portion 71. A through hole 73, the vertical pipe portion 72 is provided with a first piston 74 in sealing contact with it, the bottom surface of the first piston 74 is fixedly connected to the upper end of the vertical rod 75, and the lower end of the vertical rod 75 passes through the first through hole 73 and is located in the vertical pipe Below the portion 72, the diameter of the volleyball 8 is smaller than the inner diameter of the upper end of the tapered pipe portion 71 and greater than the inner diameter of the lower end of the tapered pipe portion 71. The outer diameter of the vertical pipe portion 72 is smaller than the inner diameter of the annulus 6. The lower end of the bar 75 is fixedly equipped with an iron block 9, and the ball catcher 7 is provided with an electric telescopic rod 10 with its coaxial movable end facing up, and the upper end of the electric telescopic rod 10 is fixedly installed with an electromagnet 11, and the electromagnet 11 can The iron block 9 is adsorbed; the upper end of the tapered pipe portion 71 is hingedly installed near the side of the guide rail 2, and the concave surface faces the hitting plate 17 on the side of the guide rail 2, and a torsion spring is installed at the hinge of the hitting plate 17 and the tapered pipe portion 71. 17 convex surface tops are fixedly equipped with batting cushion 18, during the initial state, as shown in Figure 2, batting plate 17 is in vertical state under torsion spring effect, makes things convenient for the volleyball 8 in the ball-discharging device to fall into ball catcher 7 like this Inside the tapered tube portion 71.

A horizontal groove 12 is provided on the side of the tapered pipe portion 71 close to the slider 4, and a second through hole 13 communicating with the groove 12 is provided at the upper end of the tapered pipe 71, and a conduit 14 along its length direction is embedded in the groove 12. The upper part of the conduit 14 has a second piston 15 in sealing contact with it, the outside of the second piston 15 is provided with a third through hole 16 communicating with the inside of the conduit 14, and the lower part of the conduit 14 is provided with a second piston in sealing contact with it. Three pistons 19, the first wire wheel 21 is installed in rotation in the second through hole 13, the middle part of the upper end of the second piston 15 is fixedly connected to the lower end of the first stay cord 22, and the upper end of the first stay cord 22 is fixedly connected through the first wire wheel 21 Hitting plate 17 convex middle parts, design like this is to form an air chamber between the 3rd piston 19 and the 2nd piston 15, when the 3rd piston 19 is moving down fast, the air pressure in the air chamber reduces momentarily, at this moment Under the action of the atmospheric pressure difference, the second piston 15 rapidly moves downward along the guide pipe 14, thereby pulling the hitting plate 17 through the first pull cord 22 to quickly turn over to the side of the tapered pipe portion 71 along the hinge point.

The bottom of the groove 12 is rotatably equipped with a second wire pulley 20, and the outside of the lower end of the standpipe portion 72 is hingedly installed with four arc-shaped blocks 23 that are evenly distributed in a ring and the concave surface faces upwards. The outer circumference of the lower part of the part 72 is rotatably installed on the third wire wheel 24 corresponding to the arc block 23 one by one. The third wire wheel 24 on the side of the guide rail 2 is located on the same vertical line as the first wire wheel 21 and the second wire wheel 20. The third line The top of the wheel 24 is provided with a vertical guide pipe 25, and the guide pipe 25 is fixedly installed on the outer periphery of the vertical pipe part 72, and the outer end of the arc block 23 near the guide rail 2 side is fixedly connected to the second stay rope 26, and the second drawstring The other end of the rope 26 goes around the outer circumference of the third wire wheel 24, runs through the guide tube 25 above it, and then goes around the second wire wheel 20 and is fixedly connected to the lower end of the third piston 19, and the outer ends of other arc blocks 23 are fixedly connected to the elastic rope 27 one end of the elastic cord 27, and the other end of the elastic rope 27 is fixedly connected to the lower end of the corresponding guide tube 25 around the outer circumference of the corresponding third line wheel 24; Located on the outer periphery of the vertical pipe part 72, and all the elastic cords 27 are in a tightened state, the outer end of the arc block 23 is always located outside the ring 6, and the part of the second pull cord 26 located outside the vertical pipe part 72 is in a vertical state , the outer circumference of the tapered pipe portion 71 is in contact with the inner side of the ring 6, and the ball discharging device emits a volleyball 8, which falls into the tapered pipe portion 71, the electric telescopic rod 10 is in a contracted state, and the electromagnet 11 pushes the iron block 9 Adsorption, then the electric telescopic rod 10 quickly pushes up the vertical rod 75 to move upward;

When serving the ball, initially, the first spring 5 and the second spring 30 are in the normal elongation state, the electric telescopic rod is in the elongation state, the electromagnet 11 is energized and the iron block 9 is adsorbed, and the iron block 9 and the vertical pipe portion 72 Bottom contact fit, the first piston 74 is located in the upper part of the vertical pipe part 71, the volleyball 8 falls into the conical pipe part 71 of the ball catcher 7 from the ball outlet of the ball outlet device, and the electric telescopic rod 10 shrinks downward, thereby driving The first piston 74 moves down, so that the second spring 20 is contracted, and at the same time, a negative pressure is formed between the upper part of the vertical pipe part 72 and the first piston 74, and then the electric telescopic rod 10 is contracted, driving the ball catcher 7 and Both the ring 6 and the slider 4 move downward, and the first spring 5 is compressed. This stage is to store energy for the upward movement of the slider 4 and the throwing of the volleyball 8; then the electromagnet 11 is powered off, and the ring 6 and The ball catcher 7 moves upward along the guide rail 2 with the slider 4 at the same time, and the second piston 74 moves upward under the action of the negative pressure on the second spring 30 and the upper part of the vertical pipe part 72, so that the air on the upper part of the vertical pipe part 72 is pushed to the top. The volleyball 8 in the tapered pipe part 71 makes the volleyball 8 move upwards with the ball catcher 7, and there is a gap between the volleyball 8 and the tapered pipe part 71, preventing the volleyball 8 from being stuck in the tapered pipe part 71; Since the outer end of the arc-shaped block 23 is always located outside the circular ring 6, when the circular ring 6 moves to the upper end of the guide rail 2 with the slider 4, the circular ring 6 stops moving upward, while the ball catcher 7 continues to move upward under the action of inertia. Make the second stay cord 26 and the elastic cord 27 at the bottom of the vertical pipe part 72 all push up the ring 6, and the ring 6 reacts on the second stay cord 26 and the elastic cord 27, so that the second stay cord 26 and the elastic cord 27 The corresponding arc block 23 is instantly pressed down by the ring 6, so that the ball catcher 7 stops moving upwards, and the volleyball 8 in the tapered pipe portion 71 continues to move upwards under the action of inertia. Carry out the action of throwing in the air, and at the same time, the arc block 23 flips down quickly along its hinge point under the action of the ring 6, so that the second stay cord 26 quickly pulls the third piston 19 to move down along the guide tube 14, thereby The second piston 15 moves downward quickly, so that the first pull cord 22 pulls the hitting plate 17 to turn over to the side of the tapered tube portion 71 along its hinge point. At this time, the volleyball 8 has been thrown above the hitting plate 17 , when the volleyball 8 falls back downwards, the hitting pad 18 on the convex surface of the hitting plate 17 hits the volleyball 8 at the bottom of the volleyball 8, thereby sending out the volleyball 8. This action is equivalent to manually performing the volleyball serving action, specifically as Shown in Fig. 5; After serving is completed, electric telescopic rod 10 moves upwards, and electromagnet 11 is energized simultaneously, makes whole device return initial state, can carry out next round of serving operation.

An annular buffer pad 28 is fixedly installed in the tapered pipe portion 71. When the volleyball 8 falls into the tapered pipe portion 71, the buffer pad 28 can effectively protect the tapered pipe portion 71 and can protect the volleyball 8. Buffering can effectively prevent the volleyball 8 from bouncing back out of the tapered pipe portion 71 .

The outer circumference of the tapered pipe portion 71 is fitted with an annular rubber ring 29, and the tapered pipe portion 71 contacts and cooperates with the inside of the ring 6 through the annular rubber ring 29. During the downward recovery process of the ball catcher 7, the annular rubber ring 29 can be aligned with the cone. The pipe portion 71 is buffered and protected to prolong its service life.

The embodiments of the present invention described above are not intended to limit the protection scope of the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims (7)

1. The utility model provides a volleyball single training is with catching ball jettison gear which characterized in that: the device comprises a support, wherein a vertical guide rail is arranged on one side of the lower part of the support, a fixed block is arranged on the lower part of one side of the guide rail, which is far away from the support, a slide block in sliding fit with the guide rail is arranged on the guide rail, the slide block is positioned above the fixed block, a first spring is fixedly arranged between the slide block and the fixed block, a ring is fixedly arranged on the outer side of the slide block through a cross rod, a vertical ball receiver in contact fit with the slide block is arranged in the ring, the ball receiver comprises a conical pipe part on the upper part and a vertical pipe part with the lower end closed, volleyballs can be placed in the conical pipe part, a connecting and stretching device which can be connected with the ball receiver into a whole and can pull the ball receiver to move along the axis direction of the ring is arranged below the ball receiver, a hitting plate with a concave surface facing the support is hinged to one side of the upper end of the conical pipe part, a torsional spring is arranged at the hinged position of the hitting plate, the ball receiver is also provided with a limiting and a traction device which can pull the hitting energy accumulator and can pull the ball receiver to move downwards to make the ball receiver move upwards relative to the inertial ring under the lower part of the inertial ball receiver when the volleyball is hit, and the hitting device, and the hitting and the ball receiver is contacted with the triggering device; the connecting telescopic device comprises an electric telescopic rod which is arranged on the ground and has a movable end facing upwards, the electric telescopic rod is coaxial with the circular ring, an electromagnet is fixedly arranged at the movable end of the electric telescopic rod, and an iron block is arranged at the lower end of the ball receiver; the limiting traction device comprises a groove formed in one side, close to the support, of the conical pipe part, the top surface of the conical pipe part is provided with a second through hole communicated with the groove, a first wire wheel is rotatably arranged in the second through hole, a guide pipe along the length direction of the groove is embedded in the groove, a second piston matched with the guide pipe in a sealing contact manner is arranged at the upper part in the guide pipe, a third piston matched with the guide pipe in a sealing contact manner is arranged at the lower part in the guide pipe, one side of the top surface of the second piston is provided with a third through hole communicated with the interior of the guide pipe, the top surface of the second piston is fixedly connected with the lower end of a first pull rope, the upper end of the first pull rope bypasses the periphery of the first wire wheel and is fixedly connected with the middle part of the convex surface of the ball striking plate, a second wire wheel is rotatably arranged at the lower part in the groove, the second wire wheel is positioned below the guide pipe, and a plurality of vertical guide pipes which are uniformly distributed in an annular manner are arranged at the periphery of the lower part of the vertical pipe, one of the guide pipes is positioned right below the guide pipe, the lower part of the vertical pipe part is rotatably arranged on third wire wheels which are in one-to-one correspondence with the guide pipes, the outer side of the lower end of the vertical pipe part is hinged to arc-shaped blocks which are in one-to-one correspondence with the guide pipes, the hinged parts of the arc-shaped blocks are provided with torsional springs, the lower end surface of a third piston is fixedly connected with the upper ends of second pull ropes, the lower ends of the second pull ropes sequentially bypass the periphery of the second wire wheels, penetrate the guide pipes below the second pull ropes and then bypass the periphery of the third wire wheels right below the second pull ropes to be fixedly connected with the outer ends of the arc-shaped blocks corresponding below the second pull ropes, the outer ends of other arc-shaped blocks are respectively fixedly connected with the lower ends of elastic ropes, and the upper ends of the elastic ropes sequentially bypass the third wire wheels corresponding above the elastic ropes to be fixedly connected with the lower ends of the corresponding guide pipes; the outside suit annular rubber circle of conical tube portion, annular rubber circle and ring contact cooperation.

2. The volleyball single training smash and toss device of claim 1, wherein: the vertical pipe bottom in the bottom surface set up vertical first through-hole, be equipped with in the vertical pipe bottom with it sealing contact complex first piston, first piston bottom surface fixed mounting montant, the montant lower extreme runs through first through-hole and is located the vertical pipe bottom, montant lower extreme fixed mounting iron plate.

3. The volleyball single training smash and toss device of claim 2, wherein: the periphery of the upper part of the vertical rod is sleeved with a second spring, the lower end of the second spring is fixedly connected with the outer side of the upper end of the first through hole, and the upper end of the second spring is fixedly connected with the bottom surface of the first piston.

4. The tee shot device for volleyball single training according to any one of claims 1 to 3, wherein: the height of the guide rail can be adjusted.

5. The tee shot device for volleyball single training according to any one of claims 1 to 3, wherein: and an annular cushion pad is fixedly arranged on the inner side wall of the conical tube part.

6. The tee shot device for volleyball single training according to any one of claims 1 to 3, wherein: the upper end of the bracket is provided with a ball discharging device which can discharge volleyballs one by one.

7. The tee shot device for volleyball single training according to any one of claims 1 to 3, wherein: the upper part of the convex surface of the striking plate is fixedly provided with a striking pad.

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