CN111569392A

CN111569392A - Volleyball pass device

Info

Publication number: CN111569392A
Application number: CN202010299972.0A
Authority: CN
Inventors: 李锦波; 应伟军
Original assignee: Jiyang College of Zhejiang A&F University
Current assignee: Zhejiang Sports Socks Co.,Ltd.
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-08-25
Anticipated expiration: 2040-04-16
Also published as: CN111569392B

Abstract

The invention discloses a volleyball passing device, which comprises a training field, a blocking net and a blocking net, wherein the blocking net and the blocking net are arranged above the training field, the blocking net is arranged on the training field at the ball falling side of the blocking net, one side of the training field close to the blocking net is provided with a ball collecting groove, the bottom of the ball collecting groove is provided with a ball conveying groove communicated with the ball collecting groove, one end of the ball conveying groove, far away from the ball collecting groove, is provided with a ball passing mechanism capable of vertically passing balls upwards, the ball conveying mechanism is positioned in the underground direction of the training field at the ball hitting side of the blocking net, the training field is provided with a ball outlet matched with the ball conveying mechanism on the ball hitting side of the blocking net, the ball outlet is rotatably connected with a door plate, the lower end face of the door plate is abutted with a driving piece capable of opening or closing. The invention has the following advantages and effects: the volleyball ball conveying machine can help a trainer to finish the ball-catching training without influencing the falling of the trainer, thereby avoiding the damage to the trainer.

Description

Volleyball pass device

Technical Field

The invention relates to the technical field of exercise assistance, in particular to a volleyball passing device.

Background

Volleyball team members' technique of catching a ball is very important, directly influences the result of volleyball match, so volleyball team members often carries out the training of catching a ball, and a single team member can accomplish the training with the help of the assistance of the training device of catching a ball when carrying out the training of catching a ball. The existing volleyball spiking training device has the disadvantages of complex structure, large volume and inconvenience for carrying by a single player, so that the spiking of the single player is difficult.

The Chinese patent discloses a volleyball smash training device, and the patent number is CN201210270550.6, the control device is used for sending a control signal to a traveling vehicle driving unit, the traveling vehicle driving unit is used for driving the traveling vehicle to do one-dimensional reciprocating motion, a fixed seat is fixed on the traveling vehicle, a blocking arm fixing device is fixed on the fixed seat, a plurality of blocking arms arranged along the traveling direction of the traveling vehicle are fixed at the upper end of the blocking arm fixing device, the tail end of each blocking arm is palm-shaped, and the tail ends of the plurality of blocking arms are positioned on the same plane. The retaining arm fixing device can also be provided with a descending driving unit for driving the lifting device to drive the retaining arm to do lifting action. The invention can also adopt a remote control circuit to send a control signal to the control device in a wireless signal sending mode. The volleyball training device is suitable for being used in cooperation with the smash training in the volleyball training process.

However, in reality, the hitter generally carries out the smash after passing through the first pass and the second pass, the passing routes of the first pass and the second pass are generally vertically upward, the technical scheme disclosed in the prior art is difficult to realize the vertically upward ball throwing, and if the vertically upward ball throwing is finished, the equipment can influence the falling of the trainer after the trainer finishes the smash, and even cause unnecessary damage.

Disclosure of Invention

The invention aims to provide a volleyball passing device, which can help a trainer finish the smash training without influencing the landing of the trainer, thereby avoiding the injury to the trainer.

The technical purpose of the invention is realized by the following technical scheme: a volleyball pass device comprises a training field, a blocking net and a ball stopping net, wherein the blocking net and the ball stopping net are arranged above the training field, the ball stopping net is arranged on the training field at the ball falling side of the blocking net, a ball collecting groove is formed in one side, close to the ball stopping net, of the training field, a ball conveying groove communicated with the ball collecting groove is formed in the bottom of the ball collecting groove, a ball passing mechanism capable of passing balls vertically upwards is arranged at one end, far away from the ball collecting groove, of the ball conveying groove, the ball passing mechanism is located in the underground direction of the training field at the ball hitting side of the blocking net, a ball outlet matched with the ball passing mechanism is formed in the ball hitting side of the blocking net of the training field, a door plate is rotatably connected to the ball outlet, a driving piece capable of opening or closing the door plate is abutted to the lower end face of the door plate;

when the ball passing mechanism passes balls vertically upwards, the driving piece can drive the door plate to be turned outwards so that volleyballs in the ball passing mechanism can be shot vertically upwards; after the volleyball is completely hit out, the door plate is closed by the driving piece to shield the volleyball outlet.

The invention is further provided with: the training device comprises a door plate, and is characterized in that a rotating shaft is arranged at one end of the door plate in a penetrating mode, the two ends of the rotating shaft are fixedly connected with a training field, a torsion spring is sleeved outside the rotating shaft, one end of the torsion spring is connected with the door plate, and the other end of the torsion spring is fixedly connected with the rotating shaft.

The invention is further provided with: the driving piece is including being fixed in the set casing of training place below, the set casing embeds has the spout and can be at the movable plate that the spout removed, the movable plate all around with spout looks butt, the movable plate is provided with the butt plate towards one side of door plant, the cross-sectional area of butt plate is less than the cross-sectional area of movable plate, the up end of set casing is provided with the breach that can supply the butt plate to stretch out, the lower terminal surface of set casing is provided with the trachea, tracheal one end is linked together with the spout, the tracheal other end is linked together with ball conveying mechanism.

The invention is further provided with: go out the ball mouth and still embed and be used for providing the backup pad that the level supported to the door plant, the both sides of backup pad all with training place fixed connection, the backup pad will go out the ball mouth and separate into the ball hole that goes out that can supply the volleyball to hit and can supply the hole of stepping down that the butt board worn out.

The invention is further provided with: the ball passing mechanism comprises an upper shell and a lower shell, a partition plate is arranged between the upper shell and the lower shell, a launching cavity capable of containing volleyballs is arranged in the upper shell, an inner cylinder is arranged in the lower shell, one end, facing the upper shell, of the inner cylinder penetrates through the partition plate and is communicated with the launching cavity, a connecting strip is arranged between the inner cylinder and the inner wall of the lower shell to fix the inner cylinder, the inner space of the inner cylinder is a releasing cavity, the area between the inner cylinder and the inner wall of the lower shell is a gas storage cavity, one side of the gas storage cavity is communicated with a gas pipe, one end, far away from the upper shell, of the lower shell is provided with a flange, a gas inlet is formed in the flange, a bidirectional sealing element fixed by the flange is arranged between one end, facing the gas inlet, of the inner cylinder and the gas inlet, and the bidirectional sealing, the air inlet is connected with the output end of the air compressor through a pipeline, and the pipeline is also provided with a deflation valve;

the bidirectional sealing element comprises a sealing sheet capable of plugging an air inlet or one end of the inner barrel, a plurality of connecting sheets connected with the lower shell are arranged on the outer edge of the sealing sheet, and a ventilation gap is formed between any two connecting sheets.

The invention is further provided with: and the lower shell is also provided with an air pressure monitoring device capable of monitoring the air pressure in the air storage cavity.

The invention is further provided with: the ball collecting groove is positioned at a training field place between the blocking net and the ball blocking net, and an inclined plane used for guiding volleyballs to the ball collecting groove is further arranged on the training field at the ball falling side of the blocking net.

The invention is further provided with: one side of the upper shell is provided with a ball inlet communicated with the ball feeding groove.

The invention is further provided with: the bidirectional seal is made of a rubber material.

In conclusion, the invention has the following beneficial effects: when the volleyball is ready to be shot out in the ball passing mechanism, the door plate can be opened by the driving piece, so that the door plate is prevented from blocking a ball passing line of the ball passing mechanism. After the door plate is opened, the volleyball is shot out vertically and upwards by the pass mechanism so as to be trained by trainers. At the moment, the driving piece controls the door plate to fall back to shield the ball outlet, so that the falling to the ground after the trainer finishes the ball-catching training is avoided being influenced.

Drawings

FIG. 1 is a schematic structural view of a volleyball passing apparatus according to a first embodiment;

FIG. 2 is a schematic structural view of the volleyball pass device of FIG. 1 in a hitting state;

FIG. 3 is a schematic view of the ball transfer mechanism of FIG. 2 in an engaged state with the driving member;

FIG. 4 is a schematic view showing a connection state of the lower housing and the inner cylinder in FIG. 3;

fig. 5 is a schematic view of the construction of the bi-directional seal of fig. 3.

Reference numerals: 1. a training field; 2. blocking; 3. a ball blocking net; 4. a ball collecting groove; 5. a ball feeding groove; 6. a ball passing mechanism; 7. a ball outlet; 8. a door panel; 9. a drive member; 10. a rotating shaft; 11. a stationary case; 12. a chute; 13. moving the plate; 14. a butt joint plate; 15. a notch; 16. an air tube; 17. a support plate; 18. a ball outlet hole; 19. a hole of abdication; 20. an upper housing; 21. a lower housing; 22. a partition plate; 23. a launch chamber; 24. an inner barrel; 25. a connecting strip; 26. a release chamber; 27. a gas storage cavity; 28. a flange; 29. an air inlet; 30. a bi-directional seal; 31. a pipeline; 32. an air compressor; 33. a deflation valve; 34. sealing the sheet; 35. connecting sheets; 36. a vent gap; 37. a pressure relief valve; 38. an air pressure monitoring device; 39. an inclined plane; 40. a ball inlet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-5, a volleyball pass device comprises a training field 1, a block net 2 and a ball blocking net 3, wherein the block net 2 and the ball blocking net 3 are arranged above the training field 1, the ball blocking net 3 is arranged on the training field 1 on the falling side of the block net 2, one side, close to the ball blocking net 3, of the training field 1 is provided with a ball collecting groove 4, the bottom of the ball collecting groove 4 is provided with a ball sending groove 5 communicated with the ball collecting groove 4, and one end, far away from the ball collecting groove 4, of the ball sending groove 5 is provided with a pass mechanism 6 capable of vertically passing balls upwards. The ball passing mechanism 6 is positioned below the training field 1 on the hitting side of the block net 2. Training place 1 is provided with on block 2 hits the ball side and goes out ball mouth 7 with pass ball mechanism 6 matched with, rotates on this ball mouth 7 and is connected with a door plant 8, and the lower terminal surface butt joint of this door plant 8 has the driving piece 9 that can open or close door plant 8, and this driving piece 9 is connected with pass ball mechanism 6.

When the ball passing mechanism 6 passes balls vertically upwards, the driving piece 9 can drive the door plate 8 to turn outwards so as to drive volleyballs in the ball passing mechanism 6 to be shot vertically upwards; after the volleyball is shot out, the driving piece 9 closes the door plate 8 to shield the volleyball outlet 7.

In the above process, when the volleyball is ready to be shot out in the ball passing mechanism 6, the door plate 8 is opened by the driving part 9, so as to prevent the door plate 8 from blocking the ball passing line of the ball passing mechanism 6. After the door plate 8 is opened, the volleyball is shot out vertically and upwards by the pass mechanism 6 so as to be trained by trainers. At this moment, the driving piece 9 controls the door plate 8 to fall back to shield the ball outlet 7, so that the falling of the trainer after the spiking training is avoided being influenced.

Furthermore, a rotating shaft 10 penetrates through one end of the door plate 8, two ends of the rotating shaft 10 are fixedly connected with the training field 1, and the door plate 8 can rotate around the rotating shaft 10. A torsion spring (not shown in the attached figures) is sleeved outside the rotating shaft 10, one end of the torsion spring is connected with the door plate 8, and the other end of the torsion spring is fixedly connected with the rotating shaft 10.

During the actual use, door plant 8 is in sheltering from ball mouth 7 state, drives door plant 8 under the effect of external force, makes it revolve round the pin joint in order to open when ball mouth 7, and the torsional spring is in tensile state this moment. If no external force drives the door panel 8, the door panel 8 will rotate around its hinge point rapidly under the action of the elastic potential energy of the torsion spring to shield the ball outlet 7.

Furthermore, the driving part 9 includes a fixed shell 11 fixed below the training field 1, a sliding groove 12 and a movable plate 13 capable of moving in the sliding groove 12 are arranged in the fixed shell 11, the periphery of the movable plate 13 abuts against the sliding groove 12, an abutting plate 14 is arranged on one side of the movable plate 13 facing the door panel 8, the cross-sectional area of the abutting plate 14 is smaller than that of the movable plate 13, and a notch 15 for the abutting plate 14 to extend out is arranged on the upper end face of the fixed shell 11. An air pipe 16 is arranged on the lower end surface of the fixed shell 11, one end of the air pipe 16 is communicated with the chute 12, and the other end of the air pipe 16 is communicated with the ball passing mechanism 6.

In actual use, the ball passing mechanism 6 guides air to the sliding groove 12 in the fixed shell 11 through the air pipe 16, and when the air pushing force exerted on the moving plate 13 in the sliding groove 12 from the lower part is greater than the gravity exerted on the moving plate 13, the moving plate 13 moves towards the door panel 8, and then the abutting plate 14 extends out of the notch 15 to abut against the door panel 8. If the moving plate 13 continues to move toward the door panel 8, the abutting plate 14 will rotate the door panel 8 about its hinge point to open while continuing to move upward, thereby exposing the ball outlet 7. If the door plate 8 needs to be closed, the above process is operated in a reverse direction, that is, the pressure is released first, so that the moving plate 13 falls back under the action of self gravity, and the abutting plate 14 is driven to fall back. At this time, the door panel 8 rotates around its hinge point rapidly under the action of the elastic potential energy of the torsion spring without external force, so as to shield the ball outlet 7.

Further, the abutting position of the abutting plate 14 and the door panel 8 is close to the hinge point position of the door panel 8.

Furthermore, the ball outlet 7 is also internally provided with a support plate 17 for horizontally supporting the door plate 8, and two sides of the support plate 17 are fixedly connected with the training field 1. The support plate 17 divides the ball outlet 7 into two parts, namely a ball outlet 18 for discharging balls and a relief hole 19 for allowing the abutting plate 14 to penetrate.

Further, the ball passing mechanism 6 includes an upper casing 20 and a lower casing 21, a partition 22 is disposed between the upper casing 20 and the lower casing 21, a launching cavity 23 capable of containing volleyballs is disposed in the upper casing 20, an inner cylinder 24 is disposed in the lower casing 21, and one end of the inner cylinder 24 facing the upper casing 20 penetrates through the partition 22 and is communicated with the launching cavity 23. A connecting strip 25 is arranged between the inner cylinder 24 and the inner wall of the lower shell 21 to realize the fixation of the inner cylinder 24. The inner space of the inner cylinder 24 is a release chamber 26, and the area between the inner cylinder 24 and the inner wall of the lower housing 21 is an air storage chamber 27, and one side of the air storage chamber 27 is communicated with the air pipe 16.

A flange 28 is provided at an end of the lower housing 21 remote from the upper housing 20, an air inlet 29 is provided in the flange 28, and a bidirectional seal 30 fixed by the flange 28 is provided between an end of the inner cylinder 24 facing the air inlet 29 and the air inlet 29. The bi-directional seal 30 can be used to seal either the end of the inner barrel 24 or the inlet port 29, respectively, under gas pressure. The air inlet 29 is connected to the output of an air compressor 32 via a pipe 31, and the pipe 31 is further provided with a purge valve 33.

The bidirectional sealing element 30 comprises a sealing sheet 34 which can seal one end of the air inlet 29 or the inner cylinder 24, a plurality of connecting sheets 35 connected with the lower shell 21 are arranged on the outer edge of the sealing sheet 34, and a ventilation gap 36 is arranged between any two connecting sheets 35.

In actual use, the air compressor 32 is operated to supply air to the exhaust port through the pipe 31, and the air pressure in the pipe 31 is greater than the air pressure in the release chamber 26, so that the sealing sheet 34 on the two-way sealing member 30 seals one end of the inner cylinder 24 to prevent air from entering the release chamber 26. At this time, one end of the ventilation gap 36 is connected to the gas storage chamber 27, and the other end is connected to the gas inlet 29, so that the gas in the pipe 31 is discharged from the gas inlet 29 and the ventilation gap 36 into the gas storage chamber 27. At the same time, the air storage cavity 27 is communicated with the chute 12 in the driving member 9 through the air pipe 16, so that the air storage cavity 27 and the chute 12 are at the same air pressure. When the gas pressure in the gas storage cavity 27 reaches a set value, the inflation is considered to be stopped or automatically stopped, and the driving piece 9 rotates the door panel 8 to open so as to expose the ball opening 7.

When the air is emitted and exhausted, the button for opening the air release valve 33 is pressed, the air in the air storage cavity 27 is released outwards through the air inlet 29 and the air release valve 33, the pressure of the sealing sheet 34 facing one side of the air storage cavity 27 is larger than the pressure of the sealing sheet 34 facing one side of the air inlet 29, the sealing sheet 34 protrudes towards the air inlet 29 due to unbalanced pressure, and the sealing sheet is separated from the sealing of one end of the inner cylinder 24 and seals the air inlet 29. At this time, the air storage cavity 27 is communicated with the release cavity 26, the air in the air storage cavity 27 is instantly turned to the release cavity 26 and is pressed into the launching cavity 23, and the volleyball in the launching cavity 23 is pushed under the action of air pressure and is launched.

In the above process, because the gas in the gas storage cavity 27 is released, the air pressure in the driving member 9 will then fall synchronously, after the volleyball is pushed and launched under the action of gas pressure, the moving plate 13 in the driving member 9 will fall back under the action of gravity, at this moment, the door plate 8 will rotate around the hinge point thereof rapidly under the action of elastic potential energy of the torsion spring without external force, so as to shield the ball outlet 7. And then can help the training person to accomplish the training of catching the ball and can not influence the training person's falling to the ground to avoid causing the damage to the training person.

Further, a pressure relief valve 37 is provided on the lower case 21, and the pressure relief valve 37 can relieve the pressure of the gas in the gas storage chamber 27 when the pressure is too high.

Further, an air pressure monitoring device 38 for monitoring the air pressure in the air storage cavity 27 is disposed on the lower housing 21.

Further, the ball collecting groove 4 is located at the training field 1 between the blocking net 2 and the ball blocking net 3, and the training field 1 on the ball falling side of the blocking net 2 is further provided with an inclined slope 39 for guiding volleyballs to the ball collecting groove 4.

Further, a ball inlet 40 communicating with the ball feed groove 5 is provided at one side of the upper case 20. The volleyball on the falling side of the training ground 1 enters the ball feeding groove 5 from the ball collecting groove 4 and finally enters the launching cavity 23 of the upper shell 20 through the ball inlet 40 to be launched.

Further, the bidirectional seal 30 is made of a rubber material.

Further, the pressure relief valve 37, the air pressure monitoring device 38 and the air relief valve 33 are electrically connected to a controller, which can also control the on/off of the air compressor 32. The connection mode and the control mode of the controller are the prior art, and are not described in detail herein.

The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a volleyball pass device, includes training place (1) and sets up block (2) and block net (3) in training place (1) top, block net (2) are located in block net (3) and are fallen training place (1) of ball side, its characterized in that: the training field is characterized in that a ball collecting groove (4) is formed in one side, close to the ball blocking net (3), of the training field (1), a ball conveying groove (5) communicated with the ball collecting groove (4) is formed in the bottom of the ball collecting groove (4), a ball passing mechanism (6) capable of passing balls vertically and upwards is arranged at one end, far away from the ball collecting groove (4), of the ball conveying groove (5), the ball passing mechanism (6) is located below the training field (1) on the ball hitting side of the blocking net (2), a ball outlet (7) matched with the ball passing mechanism (6) is formed in the training field (1) on the ball hitting side of the blocking net (2), a door plate (8) is rotatably connected to the ball outlet (7), a driving piece (9) capable of opening or closing the door plate (8) is abutted to the lower end face of the door plate (8), and the driving piece (9) is connected with the ball passing mechanism (6);

when the ball passing mechanism (6) passes balls vertically upwards, the driving piece (9) can drive the door plate (8) to turn outwards so that volleyballs in the ball passing mechanism (6) can be shot vertically upwards; after the volleyball is completely shot out, the door plate (8) is closed by the driving piece (9) to shield the volleyball outlet (7).

2. A volleyball pass device according to claim 1, wherein: axis of rotation (10) are worn to be equipped with by the one end of door plant (8), the both ends and the training place (1) fixed connection of axis of rotation (10), axis of rotation (10) overcoat is equipped with a torsional spring, the one end of torsional spring is connected with door plant (8), the other end and axis of rotation (10) fixed connection of torsional spring.

3. A volleyball pass device according to claim 2, wherein: driving piece (9) are including being fixed in stationary casing (11) of training place (1) below, stationary casing (11) embeds there are spout (12) and movable plate (13) that can remove in spout (12), all around with spout (12) looks butt of movable plate (13), movable plate (13) are provided with butt plate (14) towards one side of door plant (8), the cross-sectional area of butt plate (14) is less than the cross-sectional area of movable plate (13), the up end of stationary casing (11) is provided with breach (15) that can supply butt plate (14) to stretch out, the lower terminal surface of stationary casing (11) is provided with trachea (16), the one end and spout (12) of trachea (16) are linked together, the other end and ball conveying mechanism (6) of trachea (16) are linked together.

4. A volleyball pass device according to claim 3, wherein: go out football shirt mouth (7) still embeds have and be used for providing backup pad (17) that the level supported to door plant (8), the both sides of backup pad (17) all with training place (1) fixed connection, backup pad (17) will go out football shirt mouth (7) and separate into play ball hole (18) that can supply volleyball to hit and can supply abdicating hole (19) that butt board (14) wore out.

5. A volleyball pass device according to claim 4, wherein: the ball passing mechanism (6) comprises an upper shell (20) and a lower shell (21), a partition plate (22) is arranged between the upper shell (20) and the lower shell (21), a launching cavity (23) capable of containing volleyballs is arranged in the upper shell (20), an inner cylinder (24) is arranged in the lower shell (21), one end, facing the upper shell (20), of the inner cylinder (24) penetrates through the partition plate (22) to be communicated with the launching cavity (23), a connecting strip (25) is arranged between the inner cylinder (24) and the inner wall of the lower shell (21) to fix the inner cylinder (24), the inner space of the inner cylinder (24) is a release cavity (26), an area between the inner cylinder (24) and the inner wall of the lower shell (21) is a gas storage cavity (27), one side of the gas storage cavity (27) is communicated with a gas pipe (16), and one end, far away from the upper shell (20), of the lower shell (21) is provided with a flange (28, the air compressor is characterized in that an air inlet (29) is formed in the flange (28), a bidirectional sealing element (30) fixed by the flange (28) is arranged between one end, facing the air inlet (29), of the inner cylinder (24) and the air inlet (29), the bidirectional sealing element (30) can respectively realize any sealing on one end of the inner cylinder (24) or the air inlet (29) under the action of gas pressure, the air inlet (29) is connected with the output end of the air compressor (32) through a pipeline (31), and a vent valve (33) is further arranged on the pipeline (31);

the bidirectional sealing element (30) comprises a sealing sheet (34) capable of plugging one end of the air inlet (29) or the inner cylinder (24), the outer edge of the sealing sheet (34) is provided with a plurality of connecting sheets (35) connected with the lower shell (21), and a ventilation gap (36) is arranged between any two connecting sheets (35).

6. A volleyball pass device according to claim 5, wherein: and the lower shell (21) is also provided with an air pressure monitoring device (38) which can monitor the air pressure in the air storage cavity (27).

7. A volleyball pass device according to claim 6, wherein: the ball collecting groove (4) is located at a training site (1) between the blocking net (2) and the ball blocking net (3), and an inclined plane (39) used for guiding volleyballs to the ball collecting groove (4) is further arranged on the training site (1) on the ball falling side of the blocking net (2).

8. A volleyball pass device according to claim 7, wherein: one side of the upper shell (20) is provided with a ball inlet (40) communicated with the ball feeding groove (5).

9. A volleyball pass device according to claim 8, wherein: the bidirectional seal (30) is made of a rubber material.