CN115155037A

CN115155037A - Air volleyball training transmitter

Info

Publication number: CN115155037A
Application number: CN202210950880.3A
Authority: CN
Inventors: 崔玉刚
Original assignee: Zhengzhou Technical College
Current assignee: Zhengzhou Technical College
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-10-11
Anticipated expiration: 2042-08-09
Also published as: CN115155037B

Abstract

The invention provides a training launcher for air volleyball, which comprises an outer launching barrel, an inner launching barrel and a support column, wherein a rotary plate is clamped at an inner port of the inner launching barrel and is rotationally connected with the rotary plate, a bottom plate of the outer launching barrel is connected with the rotary plate through a motor, the inner launching barrel is made of elastic materials, the inner port of the inner launching barrel is driven to rotate around the axis of the outer launching barrel by starting the motor, and simultaneously, the inner port of the inner launching barrel is also driven to rotate around the axis of the outer launching barrel, so that the launching direction of the air volleyball is adjusted, the air volleyball can be launched in more launching directions, a limit strut is arranged on the inner wall of the outer launching barrel, and a bumping ball is arranged at one end, close to the axis of the inner launching barrel, of the limit strut, so that the air volleyball can rotate, and a speed limiting device for controlling the rotation speed of the bumping ball is arranged, so that the training difficulty is increased.

Description

Training launcher for air volleyball

The technical field is as follows:

the invention relates to the field of physical training, in particular to an air volleyball training launcher.

Background art:

the volleyball sports is a mass sports project integrating sports, leisure and entertainment, and is popular with more and more young men and women as a new sports project; the playing method and the scoring method are basically the same as those of a sports volleyball; the air volleyball is made of soft plastic. The weight of the game ball is about 120 g, and the game ball is 100-150 g lighter than the common volleyball; the circumference is 74-76 cm, which is 15-18 cm longer than the circumference of the common volleyball.

The multi-angle emitter is used in air volleyball training is convenient for the training person and can practise the action of catching the ball for a long time, nevertheless can not the unidirectional training during training, and this training effect is very poor, makes the training person produce the training blind area easily, and the air volleyball's direction of emitting in advance can both be seen to present serving device most of, can just can judge the route of air volleyball before serving to reduce the training effect of the training person's reaction on the spot.

The invention content is as follows:

the invention provides a training launcher of air volleyball, comprising: the bottom plate of the outer emission barrel is connected with the rotating plate through a motor; the motor is arranged on the bottom plate of the external launching tube, a rotating shaft of the motor is fixedly connected to the rotating plate, and the rotating plate forms an eccentric structure on the rotating shaft of the motor; the inner wall of the outer launching tube is provided with a plurality of limiting struts, the limiting struts penetrate through grooves formed in the inner launching tube, the inner end parts of the limiting struts are provided with collision balls, and a speed limiting device for limiting the rotation speed of the collision balls is arranged in the limiting struts.

Preferably, the inner part of the inner launch barrel is cylindrical, the outer diameter of the inner launch barrel gradually decreases from the outer port to the inner port, and the outer port of the inner launch barrel is fixedly connected with the opening of the outer launch barrel.

Preferably, the material of interior launch canister is the elasticity material, the inner port of interior launch canister can follow the center pin swing of launch canister outside the rotor plate, and the outer port keeps motionless.

Preferably, the collision ball is arranged in a ball groove of the limiting support, circular ports are formed in two ends of the ball groove, and the diameters of the two ports of the ball groove are smaller than the diameter of the ball groove, so that the collision ball can rotate in the ball groove but cannot be separated from the ball groove.

Preferably, the ball groove is formed at one end, close to the axis of the outer launching cylinder, of the limiting support.

Preferably, the speed limiting device comprises a limiting ring sleeved on the outer emission barrel, a sliding groove is formed in the limiting support, the sliding groove is communicated with a ball groove where the collision ball is located, a limiting rod is arranged in the sliding groove in a sliding mode, one end of the limiting rod is close to the collision ball, the other end of the limiting rod is an inclined surface, and inclined limiting blocks matched with the inclined surfaces of the limiting rod are arranged on the positions, corresponding to the limiting blocks, of the limiting ring.

Preferably, a telescopic cylinder is arranged on the rotating plate.

Preferably, the bracing piece is for being no less than two, can adjust the transmission angle of outer transmission section of thick bamboo by a wide margin through the height of adjusting the bracing piece. And a rotating platform is arranged at the bottom of the supporting rod (2).

The beneficial effects of the invention are as follows:

the air volleyball is placed in the inner launching barrel, and the inner launching barrel is arranged in the outer launching barrel, so that a trainer cannot predict the serving direction during training; the motor drives the rotating plate to rotate and drives the inner end face of the inner launching tube to rotate around the axis of the outer launching tube so as to control the launching direction of the air volleyball; the inner wall of the outer launching cylinder is provided with a limiting strut, a collision ball is arranged in the limiting strut, and the collision ball is contacted with the air exhaust ball to enable the launched air exhaust ball to rotate; the rotation of the inner port of the inner launching tube can also control whether the billiards in the limiting support can pass through the inner launching tube or not, and then the rotating speed of the billiards is controlled by the limiting ring, so that the rotating speed of the air volleyball is controlled, the track of the air volleyball is changed, and the training difficulty is increased.

Description of the drawings:

the above and other objects, features and advantages of exemplary embodiments of the present invention will be readily understood by reading the following detailed description with reference to the accompanying drawings. Several embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a cross-sectional structure of the launch barrel of the present invention;

FIG. 3 is a side sectional view of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the outer barrel and rod construction of the present invention;

in the figure: 1. an outer launch barrel; 2. a support bar; 3. an inner launch canister; 4. a motor; 5. a rotating plate; 6. a telescopic cylinder; 7. knocking the ball; 8. a limiting strut; 9. a limiting rod; 10. a limiting ring; 11. and rotating the platform.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 and 2, an air volleyball training launcher includes: the device comprises an outer emission barrel 1 and a support rod 2 arranged at the bottom of the outer emission barrel 1, wherein an inner emission barrel 3 is arranged in the outer emission barrel 1, and an inner port of the inner emission barrel 3 is connected with a rotating plate 5 in a clamping manner and is rotatably connected with the rotating plate 5, so that the rotating plate 5 can rotate in the inner emission barrel 3 and can drive the inner emission barrel 3 to move; the bottom plate of the outer emission cylinder 1 is connected with a rotating plate 5 through a motor 4; motor 4 sets up on the 1 bottom plate of outer launch canister, motor 4 pivot fixed connection is on rotor plate 5, rotor plate 5 forms eccentric structure in the motor 4 pivot, when motor 4 that can make 1 bottom of outer launch canister starts like this, can drive rotor plate 5 and rotate round the axle center rotation of outer launch canister 1, the outer port of interior launch canister 3 and the opening part fixed connection of outer launch canister 1, make the interior port of interior launch canister 3 can follow rotor plate 5 and rotate round the axle center of outer launch canister 1, and the outer port of interior launch canister 3 does not move.

Preferably, the inner port of the inner launch barrel 3 rotates around the axis of the outer launch barrel 1, and the outer port is fixed, so that the barrel wall of the inner launch barrel 3 can change, and the inner launch barrel 3 is made of an elastic material.

As shown in fig. 2, the inner transmitting cylinder 3 has a cylindrical inner part, so that the launching path of the air volleyball placed in the inner transmitting cylinder 3 is determined by changing the direction of the inner port of the inner transmitting cylinder 3, and the outer diameter of the inner transmitting cylinder 3 gradually decreases from the outer port to the inner port.

As shown in fig. 2-5, a plurality of limiting struts 8 are arranged on the inner wall of the outer emission tube (1), the limiting struts 8 are arranged in a groove formed on the inner emission tube 3 in a penetrating manner, a collision ball 7 is arranged at the inner end parts of the limiting struts 8, and a speed limiting device for limiting the rotating speed of the collision ball 7 is arranged in the limiting struts 8; because the outer diameter of the inner launching tube 3 is gradually reduced from the outer port to the inner port, when the inner port of the inner launching tube 3 rotates around the axis of the outer launching tube 1, whether the limiting support 8 can penetrate through the tube wall of the inner launching tube 3 can be controlled.

As shown in fig. 4, the ball 7 is disposed in the ball groove of the limit pillar 8, circular ports are disposed at two ends of the ball groove, the diameters of the two ports of the ball groove are smaller than the diameter of the ball groove, so that the ball 7 can rotate in the ball groove without coming out of the ball groove, and the ball groove is disposed at one end of the limit pillar 8 close to the axis of the outer barrel 1.

As shown in fig. 2-5, the speed limiting device comprises a limiting ring 10 sleeved on the outer launching tube 1, a sliding groove is formed in the limiting support 8 and communicated with a ball groove where the collision ball 7 is located, a limiting rod 9 is arranged in the sliding groove in a sliding manner, one end of the limiting rod 9 is close to the collision ball 7, and the other end of the limiting rod is an inclined surface; the limiting ring 10 is provided with an inclined limiting block matched with the inclined surface of the limiting rod 9 at the position corresponding to the limiting block 9, the limiting rod 9 slides towards the direction of the ball striking 7 by rotating the limiting ring 10, and the limiting rod rubs against the ball striking 7 to limit the rotating speed of the ball striking 7, so that the autorotation speed of the air volleyball during flying is changed.

As shown in fig. 2, the rotating plate 5 is provided with a telescopic cylinder 6 for controlling the force of the air volleyball. The telescopic cylinder 6 is internally provided with an independent power supply.

As shown in fig. 1, preferably, the number of the supporting rods 2 is not less than two, the upper and lower launching angles of the outer launching tube can be adjusted greatly by adjusting the height of the supporting rods, and the left and right launching angles of the launching tube can be adjusted greatly by arranging a rotating platform at the bottom of the supporting rods 2.

The working principle and the process of the invention are as follows:

through adjusting support rod and rotary platform, after adjusting suitable angle with the launching tube, put into interior launching tube 3 with the air volleyball, adjust the angle of interior launching tube 3 through starter motor 4, change the direction that the air volleyball was launched once more, then control the dynamics of the transmission of air volleyball that telescopic cylinder 6 comes control. When the air volleyball is launched, the air volleyball can also touch the bumping ball 7 on the limiting rod 8, so that the launched air volleyball rotates, the limiting rod 9 can be in contact with the bumping ball 8 by rotating the limiting ring 10, the rotating speed of the bumping ball 7 is controlled, the rotating speed of the air volleyball is influenced when the air volleyball is launched, the path of the launched air volleyball is difficult to judge, and the training difficulty is increased. And the inner launcher 3 is arranged in the outer launcher 1, so that the trainers can not predict in advance, and the training effect is not influenced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An air volleyball training launcher, comprising: an outer transmission section of thick bamboo (1), bracing piece (2) that an outer transmission section of thick bamboo (1) bottom set up, its characterized in that: an inner emission barrel (3) is arranged in the outer emission barrel (1), an inner port of the inner emission barrel (3) is connected with a rotating plate (5) in a clamping mode and is rotatably connected with the rotating plate (5), and a bottom plate of the outer emission barrel (1) is connected with the rotating plate (5) through a motor (4); the motor (4) is arranged on the bottom plate of the outer launching tube (1), the rotating shaft of the motor (4) is fixedly connected to the rotating plate (5), and the rotating plate (5) forms an eccentric structure on the rotating shaft of the motor (4); the inner wall of the outer launching tube (1) is provided with a plurality of limiting struts (8), the limiting struts (8) penetrate through grooves formed in the inner launching tube (3), the inner end portions of the limiting struts (8) are provided with collision balls (7), and a speed limiting device for limiting the rotating speed of the collision balls (7) is arranged inside the limiting struts (8).

2. An air volleyball training launcher according to claim 1, wherein: the inner part of the inner launching tube (3) is cylindrical, the outer diameter of the inner launching tube is gradually reduced from an outer port to an inner port, and the outer port of the inner launching tube (3) is fixedly connected with the opening of the outer launching tube (1).

3. An air volleyball training launcher according to claim 2, wherein: the material of interior launch canister (3) is the elasticity material, the inner port of interior launch canister (3) can follow the center pin swing of launch canister (1) beyond rotor plate (5), and the outer port keeps motionless.

4. An air volleyball training launcher according to claim 1, wherein: the billiards (7) are arranged in ball grooves of the limiting support columns (8), circular ports are formed in two ends of each ball groove, the diameter of each port of each ball groove is smaller than that of each ball groove, so that the billiards (7) can rotate in the ball grooves, and cannot be separated from the ball grooves.

5. An air volleyball training launcher according to claim 4, wherein: the ball groove is arranged at one end of the limiting support column (8) close to the axis of the outer emission cylinder (1).

6. An air volleyball training launcher according to claim 1, wherein: the speed limiting device comprises a limiting ring (10) which is sleeved on an outer emission barrel (1), a sliding groove is formed in a limiting strut (8), the sliding groove is communicated with a ball groove where a ball (7) is located, a limiting rod (9) is arranged in the sliding groove in a sliding mode, one end of the limiting rod (9) is close to the ball (7), the other end of the limiting rod is an inclined plane, and an inclined limiting block matched with the inclined plane of the limiting rod (9) is arranged on the position, corresponding to the limiting block (9), of the limiting ring (10).

7. An air volleyball training launcher according to claim 2, wherein: and a telescopic cylinder (6) is arranged on the rotating plate (5).

8. An air volleyball training launcher according to claim 1, wherein: the supporting rods (2) are not less than two, and the height of the supporting rods can be adjusted to greatly adjust the emission angle of the outer emission barrel.

9. An air volleyball training launcher according to claim 8, wherein: and a rotating platform (11) is arranged at the bottom of the supporting rod (2).

10. An air volleyball training launcher according to claim 7, wherein: the telescopic cylinder (6) is internally provided with an independent power supply.