CN212491464U - Table tennis training is with throwing machine - Google Patents
Table tennis training is with throwing machine Download PDFInfo
- Publication number
- CN212491464U CN212491464U CN202021184861.7U CN202021184861U CN212491464U CN 212491464 U CN212491464 U CN 212491464U CN 202021184861 U CN202021184861 U CN 202021184861U CN 212491464 U CN212491464 U CN 212491464U
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- lower ball
- table tennis
- ball box
- spherical shell
- ball
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- 239000007921 spray Substances 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a projector for table tennis training, which comprises a ball collecting hopper, a lower ball box and a rotary support, wherein the lower end of the ball collecting hopper is communicated with the lower ball box, a plurality of support legs are arranged at the lower side of the rotary support, a bracket is arranged at the upper side of the edge of the rotary support, and the upper end of the bracket is fixedly connected with the outer side wall of the joint of the ball collecting hopper and the lower ball box; a rotating shaft is arranged in the lower ball box, the outer side of the rotating shaft is fixedly connected with a rotating body, a groove is arranged on the outer side of the rotating body, and the lower end of the lower ball box is connected with a lower ball hopper; the upper side of the rotary support is also provided with a transmitting tube, the upper side of the transmitting tube is communicated with the lower end of the lower spherical hopper, the inner end of the transmitting tube is provided with an outer spherical shell with two open ends, the inner side of the outer spherical shell is movably connected with an inner spherical shell, two sides of the inner spherical shell are respectively connected with a spray head and an air inlet pipe, the spray head is positioned in the transmitting tube, the air inlet pipe is connected with a flexible air pipe, and the flexible; the utility model discloses a launching table tennis is blown automatically to high-pressure gas, can control launching direction and table tennis rotatory, satisfies soldier's pang ball sportsman's training demand.
Description
Technical Field
The utility model belongs to the technical field of table tennis training auxiliary assembly, in particular to projecting machine is used in table tennis training.
Background
Table tennis is an international sport, and is particularly popular among the masses in China, and table tennis athletes in China are rather world table tennis which is unique for many years. The traditional table tennis projector can only emit balls at a fixed position, and although part of devices can serve the balls in multiple directions, the table tennis projector in the prior art is complex in structure and high in cost, can not effectively control the rotation of the table tennis balls, and has poor effect of simulating the serving of a real person; therefore, the projector for table tennis training is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a projector for table tennis training, which solves the problems of the prior art, automatically blows and launches table tennis through high-pressure gas, can control launching direction and table tennis rotation, and meets training requirements of soldier table tennis athletes; has the advantages of simple structure and low cost.
In order to achieve the above object, the utility model provides a following technical scheme: a projector for table tennis training comprises a ball collecting hopper, a lower ball box and a rotary support, wherein the ball collecting hopper, the lower ball box and the rotary support are sequentially arranged from top to bottom, the lower ball box is of a cylindrical hollow shell structure, the lower end of the ball collecting hopper is communicated with the lower ball box, a plurality of support legs are arranged on the lower side of the rotary support, a support is arranged on the upper side of the edge of the rotary support, and the upper end of the support is fixedly connected with the outer side wall of the joint of the ball collecting hopper and the lower; a rotating shaft is arranged in the lower ball box, one end of the rotating shaft penetrates through the lower ball box to be connected with a four-groove grooved pulley, an active driving plate is meshed with the four-groove grooved pulley and is connected with a speed reducing motor, a rotating body is fixedly connected to the outer side of the rotating shaft and is positioned in the lower ball box, a groove is formed in the outer side of the rotating body, and a lower ball hopper is connected to the lower end of the lower ball box; the rotary support upside still is provided with the launching tube, launching tube upside and lower ball fill lower extreme intercommunication, and the launching tube inner is provided with both ends open-ended outer spherical shell, the inboard swing joint inner spherical shell of outer spherical shell, and shower nozzle and intake pipe are connected respectively to inner spherical shell both sides, and the shower nozzle is located the launching tube, and intake-tube connection has the hose, and the hose is connected with the air pump.
Preferably, the ball collecting hopper, the lower ball box, the lower ball hopper and the transmitting tube are all transparent structures.
Preferably, the speed reduction motor is fixed on the outer side of the lower ball box, and the air pump is fixedly installed on the upper portion of the supporting leg.
Preferably, the number of the grooves is two, and the grooves are symmetrically arranged on the outer side of the rotating body.
Preferably, the nozzle and the air inlet pipe respectively penetrate through two ports of the outer spherical shell, and the inner diameter of the two ports of the outer spherical shell is larger than the outer diameter of the nozzle and the outer diameter of the air inlet pipe.
Preferably, one side of the bracket, back to the pipe orifice at the outer end of the launching tube, is provided with a first handle, and the air inlet pipe is connected with a second handle.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model automatically blows and launches table tennis balls through high-pressure gas, and the launching tube rotates through the rotary support, thereby being capable of controlling the launching direction; the grooved rotor is driven by the grooved pulley mechanism to continuously convey table tennis balls to the launching tube; the air injection direction of the spray head is controlled through the ball connecting pair, so that the control of the outward projection of table tennis from the launching tube and the rotation of the table tennis is realized, and the training requirements of soldier table tennis athletes are met; compare in the projecting machine that the structure is complicated among the prior art, with high costs, the utility model has the advantages of simple structure, the cost is lower.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the pivot driving device of the present invention.
Fig. 3 is a schematic side view of the groove of the present invention.
Fig. 4 is an enlarged schematic view of the ball joint of the present invention.
In the figure: 1. ball collecting hopper, 2, ball discharging box, 3, rotary support, 4, supporting legs, 5, support, 6, first handle, 7, air inlet pipe, 8, soft air pipe, 9, second handle, 10, air pump, 11, rotating shaft, 12, rotator, 13, four-groove grooved wheel, 14, driving dial, 15, gear motor, 16, groove, 17, ball discharging hopper, 18, launching tube, 19, outer ball shell, 20, inner ball shell, 21 and nozzle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the embodiment provides a projector for table tennis training, which includes a ball collecting bucket 1, a lower ball box 2 and a rotary support 3, which are sequentially arranged from top to bottom, wherein the lower ball box 2 is a cylindrical hollow structure, the lower end of the ball collecting bucket 1 is communicated with the lower ball box 2, the lower side of the rotary support 3 is provided with a plurality of supporting legs 4, the upper side of the edge of the rotary support 3 is provided with a support 5, and the upper end of the support 5 is fixedly connected with the outer side wall of the joint of the ball collecting bucket 1 and the lower ball box 2; a rotating shaft 11 is arranged in the lower ball box 2, one end of the rotating shaft 11 penetrates through the lower ball box 2 and is connected with a four-groove grooved pulley 13, the four-groove grooved pulley 13 is meshed with a driving plate 14, the driving plate 14 is connected with a speed reducing motor 15, the outer side of the rotating shaft 11 is fixedly connected with a rotating body 12, the rotating body 12 is positioned in the lower ball box 2, a groove 16 is arranged on the outer side of the rotating body 12, and the lower end of the lower ball box 2 is connected with; the upside of the rotary support 3 is also provided with a transmitting tube 18, the upside of the transmitting tube 18 is communicated with the lower end of a lower ball hopper 17, the inner end of the transmitting tube 18 is provided with an outer spherical shell 19 with two open ends, the inner side of the outer spherical shell 19 is movably connected with an inner spherical shell 20, the two sides of the inner spherical shell 20 are respectively connected with a spray head 21 and an air inlet pipe 7, the spray head 21 is positioned in the transmitting tube 18, the air inlet pipe 7 is connected with a hose 8, and the hose 8 is connected with an air.
In this embodiment, the ball collecting hopper 1, the lower ball box 2, the lower ball hopper 17 and the transmitting tube 18 are all transparent structures.
In this embodiment, the speed reduction motor 15 is fixed outside the lower ball box 2, and the air pump 10 is fixedly mounted on the upper portion of the leg 4.
In this embodiment, the number of the grooves 16 is two, and the grooves are symmetrically arranged outside the rotating body 12.
In this embodiment, the nozzle 21 and the air inlet pipe 7 respectively penetrate through two ports of the outer spherical shell 19, and the inner diameter of the two ports of the outer spherical shell 19 is larger than the outer diameter of the nozzle 21 and the outer diameter of the air inlet pipe 7. Allowing the inner spherical shell 20 to rotate within a certain range within the outer spherical shell 19.
In this embodiment, a first handle 6 is disposed on one side of the bracket 5, which faces away from the outer end pipe orifice of the launching tube 18, and the air inlet tube 7 is connected with a second handle 9.
When the utility model is used, a large number of table tennis balls are placed in the ball collecting hopper 1; starting a speed reducing motor 15 and an air pump 10, wherein the speed reducing motor 15 drives an active drive plate 14 to rotate, the active drive plate 14 is meshed with a four-groove grooved wheel 13 to form a grooved wheel mechanism, so that a rotating shaft 11 intermittently rotates, the rotating shaft 11 drives a rotating body 12 to rotate, when a groove 16 on the outer side of the rotating body 12 rotates to the upper side, a table tennis ball in a material collecting hopper 1 falls into the groove 16, the rotating body 12 continues to rotate in a clearance manner, and when the groove 16 of the rotating body 12 carries the table tennis ball to rotate to the lower side, the table tennis ball is separated from the groove 16 due to gravity and passes through a lower ball hopper 17 to enter; the ball dropping speed can be adjusted by controlling the rotating speed of the speed reducing motor 15;
the air pump 10 works to generate high-pressure air which is conveyed to the air inlet pipe 7 through the soft air pipe 8, passes through the air inlet pipe 7, enters the inner ball shell 20, is sprayed out of the spray head 21, is sprayed to the table tennis at the left end of the launching pipe 18, and quickly ejects the table tennis from the launching pipe 18; a valve can be arranged in the air inlet pipe 7 to control the air inlet pipe 7 to convey air to the inner ball shell 20, and when the table tennis ball enters the launching pipe 18, the valve is opened again to release high-pressure air to eject the table tennis ball from the launching pipe 18; the air inlet pipe 7 is shaken or the air inlet pipe 7 is shaken through the second handle 9, so that the inner ball shell 20 rotates at the inner side of the outer ball shell 19, the outer ball shell 19 and the inner ball shell 20 are connected through a ball pair, the contact positions of the spray head 21 spraying table tennis gas are different, and the table tennis can rotate differently when being sprayed out along the emission pipe 18;
the bracket 5 is rotated or the bracket 5 is rotated through the first handle 6, the bracket 5, the lower ball box 2, the ball collecting hopper 1 and the launching tube 18 rotate through the rotary support 3, so that the direction of the launching tube 18 is changed, and the launching directions of the table tennis balls are different.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a table tennis training is with throwing machine, includes ball collecting hopper, lower ball case and the rotation support that from the top set gradually, its characterized in that: the lower ball box is of a cylindrical hollow shell structure, the lower end of the ball collecting hopper is communicated with the lower ball box, a plurality of support legs are arranged on the lower side of the rotary support, a support is arranged on the upper side of the edge of the rotary support, and the upper end of the support is fixedly connected with the outer side wall of the joint of the ball collecting hopper and the lower ball box; a rotating shaft is arranged in the lower ball box, one end of the rotating shaft penetrates through the lower ball box to be connected with a four-groove grooved pulley, an active driving plate is meshed with the four-groove grooved pulley and is connected with a speed reducing motor, a rotating body is fixedly connected to the outer side of the rotating shaft and is positioned in the lower ball box, a groove is formed in the outer side of the rotating body, and a lower ball hopper is connected to the lower end of the lower ball box; the rotary support upside still is provided with the launching tube, launching tube upside and lower ball fill lower extreme intercommunication, and the launching tube inner is provided with both ends open-ended outer spherical shell, the inboard swing joint inner spherical shell of outer spherical shell, and shower nozzle and intake pipe are connected respectively to inner spherical shell both sides, and the shower nozzle is located the launching tube, and intake-tube connection has the hose, and the hose is connected with the air pump.
2. The table tennis training projector of claim 1, wherein: the ball collecting hopper, the lower ball box, the lower ball hopper and the transmitting tube are all transparent structures.
3. The table tennis training projector of claim 2, wherein: the speed reducing motor is fixed on the outer side of the lower ball box, and the air pump is fixedly installed on the upper portion of the supporting leg.
4. The table tennis training projector of claim 3, wherein: the quantity of recess is two, and the symmetry sets up in the rotor outside.
5. The table tennis training projector of claim 4, wherein: the spray head and the air inlet pipe respectively penetrate through two ports of the outer spherical shell, and the inner diameters of the two ports of the outer spherical shell are larger than the outer diameters of the spray head and the air inlet pipe.
6. The table tennis training projector of claim 5, wherein: the support is provided with first handle dorsad the mouth of pipe one side in the launching tube outer end, and intake-tube connection has the second handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021184861.7U CN212491464U (en) | 2020-06-24 | 2020-06-24 | Table tennis training is with throwing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021184861.7U CN212491464U (en) | 2020-06-24 | 2020-06-24 | Table tennis training is with throwing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212491464U true CN212491464U (en) | 2021-02-09 |
Family
ID=74439414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021184861.7U Expired - Fee Related CN212491464U (en) | 2020-06-24 | 2020-06-24 | Table tennis training is with throwing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212491464U (en) |
-
2020
- 2020-06-24 CN CN202021184861.7U patent/CN212491464U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |