CN210612841U

CN210612841U - Table tennis ball launching device for training

Info

Publication number: CN210612841U
Application number: CN201921576392.0U
Authority: CN
Inventors: 李连芝; 王贺军
Original assignee: Cangzhou Medical College
Current assignee: Cangzhou Medical College
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-05-26
Anticipated expiration: 2029-09-20

Abstract

The utility model relates to the technical field of table tennis launching accessories, in particular to a table tennis launching device for training, which has a simple structure, is convenient to overhaul, can conveniently clean the recovered impurities adhered to the surface of the table tennis, and improves the practicability; including the recycling bin, a pedestal, communicating pipe, the cylinder, the telescopic link, the push pedal, the rotary rod, the dog, spacing spring, two sets of fixing bases, two sets of fixed axles, the locating plate, two sets of rotation axes, two sets of swiveling wheels, drive gear, driven gear, the drive axle, from the driving wheel, including a motor, an end cap, a controller, and a cover plate, the speed reducer, the transmission shaft, drive belt and fan, be provided with the multiunit dead lever between recycling bin and the base, be provided with two sets of locating holes on the locating plate, be provided with two sets of ball bearing between two sets of rotation axes and the two sets of locating holes respectively, two sets of rotation axis front ends are connected.

Description

Table tennis ball launching device for training

Technical Field

The utility model relates to a table tennis transmission auxiliary device's technical field especially relates to a table tennis transmission device is used in training.

Background

As is known, in table tennis training process, often need the sportsman to practice receiving service, current service mode generally is artifical service or uses the service device to carry out the table tennis transmission, but the mode limitation of artifical service is higher, must just can receive service training under the condition that two people were simultaneously, consequently, the mode that adopts the service device to carry out the table tennis is also more and more popularized, but current table tennis transmitting device structure is comparatively complicated, need professional to maintain when it takes place to damage, and its inconvenient impurity to the table tennis surface adhesion of retrieving is cleared up, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a structure is comparatively simple, the convenient maintenance to can conveniently clear up the impurity of the table tennis surface adhesion of retrieving, improve the table tennis emitter for training of practicality.

The utility model relates to a table tennis ball launching device for training, which comprises a recycling bin, a base, a communicating pipe, a cylinder, a telescopic rod, a push plate, a rotary rod, a stop block, a limiting spring, two groups of fixing seats, two groups of fixing shafts, a positioning plate, two groups of rotary shafts, two groups of rotary wheels, a transmission gear, a driven gear, a driving shaft, a driven gear, a motor, a speed reducer, a transmission shaft, a transmission wheel, a transmission belt and a fan, wherein a recycling cavity is arranged in the recycling bin, a placing opening is arranged at the top of the recycling bin and communicated with the recycling cavity, a plurality of groups of fixing rods are arranged between the recycling bin and the base, the input end of the communicating pipe is communicated with the bottom of the recycling bin, a through hole is arranged at the bottom of the communicating pipe, the two groups of fixing seats, one end of each of the two groups of fixed shafts is connected with a rotating rod, the other end of each of the two groups of fixed shafts is inserted into the two groups of fixed holes respectively, a stop block is arranged at the right end of the rotating rod and penetrates through a through hole to extend into a communicating pipe, the air cylinder is arranged at the top of the base, the two ends of the telescopic rod are connected with the bottom of a push plate and the output end of the air cylinder respectively, the push plate is contacted with the rotating rod, the two ends of a limiting spring are connected with the communicating pipe and the rotating rod respectively, a positioning plate is arranged on the rear side wall of the communicating pipe and is provided with two groups of positioning holes, the top and the bottom of the communicating pipe are provided with two groups of openings respectively, the rear ends of the two groups of rotating shafts penetrate through the two groups of positioning, the utility model discloses a recycling bin, including recovery bucket, drive gear, driven gear, motor, base, transmission shaft, drive wheel, driven gear, air inlet, fan, air inlet department, drive gear and driven gear are installed respectively in two sets of rotation axis rear ends to drive gear and driven gear meshing, drive shaft both ends are connected with from driving wheel and drive gear respectively, the motor is installed at the speed reducer input, the speed reducer is installed at the base top, the transmission shaft both ends are connected with speed reducer output and drive wheel respectively, the drive wheel is connected through driving belt transmission with from the driving wheel, be provided with the air intake on.

The utility model discloses a table tennis emitter is used in training still includes two sets of slipmats, two sets of slipmats are installed respectively on two sets of swiveling wheel outer walls.

The utility model discloses a table tennis emitter is used in training still includes spacing and spacing ring, spacing both ends are connected with spacing ring and base top respectively, the telescopic link passes the spacing ring.

The utility model discloses a table tennis emitter is used in training still includes the multiunit steel ball, be provided with the multiunit arc wall on the spacing ring inner wall, the multiunit steel ball is arranged in the multiunit arc wall respectively to the multiunit steel ball all contacts with the telescopic link.

The utility model discloses a table tennis emitter is used in training, be provided with the ARC filter screen on the recycling bin left side wall, the fan is located the ARC filter screen.

The utility model discloses a table tennis emitter is used in training still includes multiunit pulley, two sets of push rods and promotes the handle, the multiunit pulley is all installed in the base bottom, two sets of push rod both ends are connected with promotion handle and base left end respectively.

The utility model discloses a table tennis emitter is used in training still includes anti-skidding seat, positioning spring, pull rod and pulling handle, the positioning spring both ends are connected with base bottom and anti-skidding seat top respectively, be provided with the perforation on the base, the pull rod bottom is passed the perforation and is connected with anti-skidding seat to the pull rod top is connected with the pulling handle.

The utility model discloses a table tennis emitter is used in training still includes fender lid and removal handle, fender lid device recycling bin top, it installs at fender lid top to remove the handle.

Compared with the prior art, the beneficial effects of the utility model are that: when the table tennis ball is required to be launched, the motor is powered on and started, the power output by the motor is reduced through the speed reducer, the transmission shaft drives the transmission wheel to rotate, the driven wheel rotates along with the transmission wheel under the transmission action of the transmission belt, the transmission gear and the driven gear are driven to rotate oppositely, the two groups of rotating wheels rotate at high speed, the telescopic rod drives the push plate to move up and down through the control cylinder of the external air source, when the push plate moves up, the rotating rod is pushed to rotate along the two groups of fixing seats through the two groups of fixing shafts, the limiting springs are compressed, the stop block leaves the communicating pipe, the limiting effect on the table tennis ball is avoided, and the table tennis ball moves along the communicating pipe, the push pedal leaves the rotation axis this moment, make the rotary rod resume the normal position under spacing spring's effect, the dog reentrant communicating pipe and block next table tennis, the table tennis of letting pass removes and contacts along communicating pipe and with high-speed pivoted two sets of swiveling wheels, launch the table tennis at a high speed through two sets of swiveling wheels, thereby accomplish the service, this device structure is comparatively simple, convenient maintenance, and when retrieving the table tennis to the recycling bin, can switch on the fan and start, with the leading-in recycling bin of outside air, thereby can accelerate the air flow velocity in the recycling bin, blow through the multiunit exhaust vent with the impurity of adhesion on table tennis surface, thereby can conveniently clear up the impurity of the table tennis surface adhesion of retrieving, and the practicability is improved.

Drawings

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

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

FIG. 4 is a partial enlarged view of portion B of FIG. 1;

in the drawings, the reference numbers: 1. a recycling bin; 2. a base; 3. a communicating pipe; 4. a cylinder; 5. a telescopic rod; 6. pushing the plate; 7. rotating the rod; 8. a stopper; 9. a limiting spring; 10. a fixed seat; 11. a fixed shaft; 12. positioning a plate; 13. a rotating shaft; 14. a rotating wheel; 15. a transmission gear; 16. a driven gear; 17. driving a shaft; 18. a driven wheel; 19. a motor; 20. a speed reducer; 21. a drive shaft; 22. a driving wheel; 23. a drive belt; 24. a fan; 25. fixing the rod; 26. a ball bearing; 27. a non-slip mat; 28. a limiting frame; 29. a limiting ring; 30. steel balls; 31. an arc-shaped filter screen; 32. a pulley; 33. a push rod; 34. pushing the handle; 35. an anti-slip seat; 36. a positioning spring; 37. a pull rod; 38. pulling the handle; 39. a blocking cover; 40. the handle is moved.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the table tennis ball launching device for training of the present invention comprises a pulling handle 38 lifted up to make a pull rod 37 drive an anti-slip seat 35 to move upwards, a positioning spring 36 is pressed to make the anti-slip seat 35 leave the ground, a pushing handle 34 is held by hand to push a base 2, the base 2 moves along the ground through a plurality of groups of pulleys 32, so that the position of the whole body can be conveniently adjusted, the pulling handle 38 is loosened to make the device work, a blocking cover 39 is opened to pour the table tennis balls to be launched into a recycling bin 1, the blocking cover 39 is closed, and one table tennis ball is orderly queued into a communicating tube 3, and the position of the table tennis ball can be limited by a block 8, when the table tennis ball is required to be launched, a motor 19 is powered on and started, the power output by the motor 19 is decelerated by a speed reducer 20 to make a transmission shaft 21 drive a transmission wheel 22 to rotate, and the driven wheel 18 rotates together with the driving wheel 22 under the driving action of the driving belt 23, and drives the driving gear 15 and the driven gear 16 to rotate oppositely, so that the two groups of rotating wheels 14 rotate at high speed, at the moment, the telescopic rod 5 drives the push plate 6 to move up and down through the external air source control cylinder 4, when the push plate 6 moves up, the rotating rod 7 is pushed, the rotating rod 7 rotates along the two groups of fixing seats 10 through the two groups of fixing shafts 11, and the limiting spring 9 is compressed, so that the stop block 8 leaves the communicating pipe 3 and does not have a limiting effect on the ping-pong ball any more, so that one ping-pong ball moves along the communicating pipe 3, at the moment, the push plate 6 leaves the rotating shaft 13, under the action of the limiting spring 9, the rotating rod 7 returns to the original position, the stop block 8 enters the communicating pipe 3 again and stops the next ping-pong ball, when the telescopic rod 5, and can reduce the frictional force between telescopic link 5 and the spacing ring 29 through the roll of multiunit steel ball 30, the table tennis of letting go moves and contacts with two sets of swiveling wheel 14 of high-speed pivoted along communicating pipe 3, launch the table tennis at a high speed through two sets of swiveling wheels 14, thereby accomplish the service, the device structure is comparatively simple, convenient maintenance, and when retrieving the table tennis to recycling bin 1, can switch on fan 24 and start, in the leading-in recycling bin 1 of air in the external world, play certain filtering action to the leading-in air of fan 24 through ARC filter screen 31, thereby can accelerate the air flow velocity in recycling bin 1, blow out the adhesion impurity on the table tennis surface through the multiunit exhaust vent, thereby can conveniently clear up the impurity of the table tennis surface adhesion of retrieving, and the practicability is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A table tennis ball launching device for training is characterized by comprising a recovery barrel (1), a base (2), a communicating pipe (3), a cylinder (4), a telescopic rod (5), a push plate (6), a rotary rod (7), a stop block (8), a limiting spring (9), two groups of fixing seats (10), two groups of fixing shafts (11), a positioning plate (12), two groups of rotary shafts (13), two groups of rotary wheels (14), a transmission gear (15), a driven gear (16), a driving shaft (17), a driven wheel (18), a motor (19), a speed reducer (20), a transmission shaft (21), a transmission wheel (22), a transmission belt (23) and a fan (24), wherein a recovery cavity is arranged in the recovery barrel (1), an inlet is formed in the top of the recovery barrel (1) and communicated with the recovery cavity, and a plurality of groups of fixing rods (25) are arranged between the recovery barrel (1) and the base, the input end of the communicating pipe (3) is communicated with the bottom of the recycling bin (1), a through hole is formed in the bottom of the communicating pipe (3), the two groups of fixing seats (10) are installed on the communicating pipe (3), two groups of fixing holes are formed in the two groups of fixing seats (10) respectively, the rotary rod (7) is located between the two groups of fixing seats (10), one ends of the two groups of fixing shafts (11) are connected with the rotary rod (7), the other ends of the two groups of fixing shafts (11) are inserted into the two groups of fixing holes respectively, the check block (8) is installed at the right end of the rotary rod (7), the check block (8) penetrates through the through hole and extends into the communicating pipe (3), the air cylinder (4) is installed at the top of the base (2), two ends of the telescopic rod (5) are connected with the bottom of the push plate (6) and the output end of the, the two ends of the limiting spring (9) are respectively connected with the communicating pipe (3) and the rotating rod (7), the positioning plate (12) is installed on the rear side wall of the communicating pipe (3), two groups of positioning holes are formed in the positioning plate (12), two groups of openings are respectively formed in the top and the bottom of the communicating pipe (3), the rear ends of the two groups of rotating shafts (13) respectively penetrate through the two groups of positioning holes, two groups of ball bearings (26) are respectively arranged between the two groups of rotating shafts (13) and the two groups of positioning holes, the front ends of the two groups of rotating shafts (13) are respectively connected with two groups of rotating wheels (14), the two groups of rotating wheels (14) are respectively located at the two groups of openings, the transmission gear (15) and the driven gear (16) are respectively installed at the rear ends of the two groups of rotating shafts (13), the transmission gear (15) is meshed with the driven gear (16), and, the utility model discloses a recycling bin, including base (2), motor (19), transmission shaft (21), drive wheel (22), driving wheel (22), driven wheel (18), air inlet, fan (24), the air inlet is located to the motor (19) input of installing at speed reducer (20), install at base (2) top speed reducer (20), transmission shaft (21) both ends are connected with speed reducer (20) output and drive wheel (22) respectively, drive wheel (22) and driven wheel (18) are connected through driving belt (23) transmission, be provided with the air intake on recycling bin (1) left side wall, the air intake communicates with each other with the recovery chamber, fan (24) are installed.

2. A training table tennis ball launching device as claimed in claim 1, further comprising two sets of anti-slip pads (27), wherein the two sets of anti-slip pads (27) are mounted on the outer walls of the two sets of wheels (14), respectively.

3. A table tennis ball launching device for training as claimed in claim 2, further comprising a limiting frame (28) and a limiting ring (29), wherein both ends of the limiting frame (28) are respectively connected with the limiting ring (29) and the top of the base (2), and the telescopic rod (5) passes through the limiting ring (29).

4. A table tennis ball launching device for training as claimed in claim 3, further comprising a plurality of sets of steel balls (30), wherein the inner wall of the limiting ring (29) is provided with a plurality of sets of arc-shaped grooves, the plurality of sets of steel balls (30) are respectively located in the plurality of sets of arc-shaped grooves, and the plurality of sets of steel balls (30) are all in contact with the telescopic rod (5).

5. A table tennis ball launching device for training as claimed in claim 4, wherein the left side wall of the recycling bin (1) is provided with a curved filter screen (31), and the fan (24) is positioned in the curved filter screen (31).

6. A table tennis ball launching device for training as claimed in claim 5, further comprising a plurality of sets of pulleys (32), two sets of push rods (33) and a push handle (34), wherein the plurality of sets of pulleys (32) are all installed at the bottom of the base (2), and two ends of the two sets of push rods (33) are respectively connected with the push handle (34) and the left end of the base (2).

7. A table tennis ball launching device for training as claimed in claim 6, further comprising an anti-skid seat (35), a positioning spring (36), a pull rod (37) and a pulling handle (38), wherein both ends of the positioning spring (36) are respectively connected with the bottom of the base (2) and the top of the anti-skid seat (35), the base (2) is provided with a through hole, the bottom end of the pull rod (37) passes through the through hole and is connected with the anti-skid seat (35), and the top end of the pull rod (37) is connected with the pulling handle (38).

8. A training table tennis ball launching device as claimed in claim 7, further comprising a cover (39) and a moving handle (40), wherein the cover (39) covers the top of the recovery bucket (1), and the moving handle (40) is mounted on the top of the cover (39).