CN202366419U - Table tennis training machine - Google Patents

Table tennis training machine Download PDF

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Publication number
CN202366419U
CN202366419U CN201120555191XU CN201120555191U CN202366419U CN 202366419 U CN202366419 U CN 202366419U CN 201120555191X U CN201120555191X U CN 201120555191XU CN 201120555191 U CN201120555191 U CN 201120555191U CN 202366419 U CN202366419 U CN 202366419U
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CN
China
Prior art keywords
ball
nozzle
table tennis
positioning device
gas
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Expired - Fee Related
Application number
CN201120555191XU
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Chinese (zh)
Inventor
朱立新
万炳军
任彦军
高洪杰
赵洪波
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Harbin Normal University
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Harbin Normal University
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Publication date
Application filed by Harbin Normal University filed Critical Harbin Normal University
Priority to CN201120555191XU priority Critical patent/CN202366419U/en
Application granted granted Critical
Publication of CN202366419U publication Critical patent/CN202366419U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a table tennis training machine, relating to a training device for table tennis ball batting and solving the problem that the traditional ball pitching machine is difficult to provide all-sided training for a trainer due to fixed ball supply speed and distance. The table tennis training machine is used for table tennis training and comprise a bracket body, a ball supply disc assembly, a speed reducer, an intermittent motion indexing positioning device, an electromotor, a spray nozzle, a high-pressure gas cylinder, a pressure adjusting valve and an electrically-operated valve; the ball supply disc assembly comprises a ball feeding disc, a disc shaft and ball clamping devices, wherein the disc surface of the ball feeding disc is provided with a plurality of ball accommodating through holes, the ball clamping devices are arranged in the ball accommodating through holes, the disc shaft is connected to the axis line of the ball feeding disc and the motion output end of the intermittent motion indexing positioning device, the motion input end of the intermittent motion indexing positioning device is connected to a motor shaft of the electromotor through the speed reducer, a gas inlet end of the spray nozzle is communicated to a gas outlet of the high-pressure gas cylinder through the electrically-operated valve and the pressure adjusting valve, and the gas spray outlet of the spray nozzle is arranged at one of the plurality of ball accommodating through holes, and the spray nozzle and the ball accommodating through hole are positioned on the same axis line.

Description

The table tennis machine of practising a ball game
Technical field
The utility model relates to a kind of trainer of table tennis batting.
Background technology
At present; In table tennis batting training, the training method of employing is mainly: by the coach supply the ball exercise, with the teammate to practicing and adopt service robot to supply three kinds of ball exercises, preceding two kinds to supply the ball modes influenced by people's technical factor bigger; If supply the ball regularity low, training effect is then not good.And adopt service robot to supply ball, and be constant though service robot supplies the speed of ball and distance, the problem that exists has two: one is to be difficult to accomplish comprehensive training after speed and the fixed distance.Be in dynamic motion process if another problem is a ball, then the beginner is difficult to the main points that master a skill.Begin to learn need exercise be the position of batting exactly during with the ball impact time on hand sensation, this needs stays static in the space of table tennis on certain altitude, the practitioner bats with racket.But present service robot has been realized not this function.
The utility model content
The purpose of the utility model provides a kind of table tennis machine of practising a ball game, and to supply the speed of ball and distance be constant to solve existing service robot, is difficult to accomplish the problem of omnibearing training.It comprises stake body, ball supplying disk assembly, decelerator 1, intermittent movement indexing positioning device 2, motor 3, nozzle 4, gas cylinder 5, pressure regulator valve 6 and motor-driven valve 8; The ball supplying disk assembly is arranged on the top of stake body; The ball supplying disk assembly comprises dress ball dish 7-1, dish axle 7-2 and ball-clamped device; Its circumferencial direction of card upper edge of dress ball dish 7-1 evenly has a plurality of appearance ball through hole 7-3; All be provided with ball-clamped device among each appearance ball through hole 7-3; The end of horizontally disposed dish axle 7-2 is connected on the axial line of dress ball dish 7-1, and the other end of dish axle 7-2 is connected on the motion output of intermittent movement indexing positioning device 2, and intermittent movement indexing positioning device 2 is connected the top of stake body; The motion input of intermittent movement indexing positioning device 2 is connected on the motor shaft of motor 3 through decelerator 1; Nozzle 4 is fixed on the top of stake body, and the gas upstream end of nozzle 4 is communicated with on the gas vent of motor-driven valve 8, and the gas access of motor-driven valve 8 is communicated with on the gas vent of pressure regulator valve 6; The gas access of pressure regulator valve 6 is communicated with on the gas vent of gas cylinder 5, and the gas vent 4-1 of nozzle 4 is arranged on that among a plurality of appearance ball through hole 7-3 one locates and nozzle 4 has same axial line with this appearance ball through hole 7-3; The end face of nozzle 4 is provided with a plurality of air curtain spray orifice 4-2, and a plurality of air curtain spray orifice 4-2 evenly arrange around the gas vent 4-1 of nozzle 4; On the circumferential outer surface of nozzle 4 around a circle outer ring air screen air flue 31; Outer ring air screen air flue 31 is opened on the end face of nozzle 4; Be provided with air cushion gas distribution channel 32 between gas vent 4-1 and the air curtain spray orifice 4-2; Air cushion gas distribution channel 32 is provided with current stabilization grid 30 at the opening part of nozzle 4 end faces, on each air curtain spray orifice 4-2 a magnetic valve 40 is set.
When practising a ball game; Motor 3 drives decelerator 1 and 2 motions of intermittent movement indexing positioning device; Dish axle 7-2 is intermittently rotatablely moved; The every motion of dish axle 7-2 once all makes dress ball dish 7-1 turn over the angle of regulation, and the angle of this regulation is exactly two circumference angles of holding between the ball through hole 7-3, holds ball through hole 7-3 thereby make nozzle 4 aim at each in order.After certain holds the puff prot of ball through hole 7-3 aligning nozzle 4; Motor-driven valve 8 is opened; Gases at high pressure spray into through nozzle 4 from gas cylinder 5 and hold ball through hole 7-3, make to be arranged in advance to hold that the table tennis on the ball-clamped device is promoted to be flown out down by gases at high pressure among the ball through hole 7-3, train thereby supply with the people that practises a ball game.Owing to can regulate through pressure regulator valve 6 and output to the gas pressure in the nozzle 4, thereby can regulate the distance and the speed of table tennis flight easily, solve existing service robot and supplied the speed of ball and, be difficult to accomplish the problem of comprehensive training apart from being constant.
Description of drawings
Fig. 1 is the structural representation of the utility model, and Fig. 2 is the A-A cutaway view of Fig. 1, and Fig. 3 is the structural representation of nozzle in the embodiment one, Fig. 4 be the D of Fig. 3 to view, Fig. 5 is the structural representation of embodiment five.
The specific embodiment
The specific embodiment one: specify this embodiment below in conjunction with Fig. 1 to Fig. 4.This embodiment comprises stake body, ball supplying disk assembly, decelerator 1, intermittent movement indexing positioning device 2, motor 3, nozzle 4, gas cylinder 5, pressure regulator valve 6 and motor-driven valve 8; The ball supplying disk assembly is arranged on the top of stake body; The ball supplying disk assembly comprises dress ball dish 7-1, dish axle 7-2 and ball-clamped device; Its circumferencial direction of card upper edge of dress ball dish 7-1 evenly has a plurality of appearance ball through hole 7-3; All be provided with ball-clamped device among each appearance ball through hole 7-3; The end of horizontally disposed dish axle 7-2 is connected on the axial line of dress ball dish 7-1, and the other end of dish axle 7-2 is connected on the motion output of intermittent movement indexing positioning device 2, and intermittent movement indexing positioning device 2 is connected the top of stake body; The motion input of intermittent movement indexing positioning device 2 is connected on the motor shaft of motor 3 through decelerator 1; Nozzle 4 is fixed on the top of stake body, and the gas upstream end of nozzle 4 is communicated with on the gas vent of motor-driven valve 8, and the gas access of motor-driven valve 8 is communicated with on the gas vent of pressure regulator valve 6; The gas access of pressure regulator valve 6 is communicated with on the gas vent of gas cylinder 5, and the gas vent 4-1 of nozzle 4 is arranged on that among a plurality of appearance ball through hole 7-3 one locates and nozzle 4 has same axial line with this appearance ball through hole 7-3.The end face of nozzle 4 is provided with a plurality of air curtain spray orifice 4-2, and a plurality of air curtain spray orifice 4-2 evenly arrange around the gas vent 4-1 of nozzle 4; On the circumferential outer surface of nozzle 4 around a circle outer ring air screen air flue 31; Outer ring air screen air flue 31 is opened on the end face of nozzle 4; Be provided with air cushion gas distribution channel 32 between gas vent 4-1 and the air curtain spray orifice 4-2; Air cushion gas distribution channel 32 is provided with current stabilization grid 30 at the opening part of nozzle 4 end faces, on each air curtain spray orifice 4-2 a magnetic valve 40 is set.
This embodiment discontinuous motion indexing positioning device 2 is selected Geneva mechanism for use.Geneva mechanism is a mature technique very, it generally be applied in rotating speed not high, require to turn over off and in the indexing means of certain angle.Certainly can also select intermittent movement indexing positioning devices such as ratchet mechanism for use, above-mentioned selection all belongs to the selection of ordinary skill means.
The specific embodiment two: specify this embodiment below in conjunction with Fig. 1 and Fig. 2.This embodiment is that it also comprises group pin 7-5 with the difference of embodiment one; Said ball-clamped device comprises ball chuck 7-6 and pressing spring 7-4; The circular arc rear end of the ball chuck 7-6 that arc is tabular is hinged on the hole wall that holds ball through hole 7-3; Be provided with pressing spring 7-4 between the hole wall of ball chuck 7-6 and appearance ball through hole 7-3; The lateral edges of ball chuck 7-6 exceeds outside holding ball through hole 7-3, and the rear end of dialling pin 7-5 is fixed on the external peripheral surface of nozzle 4, the front end of dialling pin 7-5 stretch out at the circular arc front end place of ball chuck 7-6 and be positioned at ball chuck 7-6, exceed the lateral edges position that is holding outside the ball through hole 7-3.So be provided with; Utilize ball chuck 7-6 and the hole wall that holds ball through hole 7-3 to clamp table tennis, when some appearance ball through hole 7-3 forward to over against nozzle 4, dial pin 7-5 and provoke ball chuck 7-6; Make ball-clamped device loosen clamping location, the high pressure gas physical efficiency is successfully sprayed table tennis table tennis.Such structure guarantees that the table tennis location is firm, can not influence the ejaculation of table tennis simultaneously.
The specific embodiment three: specify this embodiment below in conjunction with Fig. 1.This embodiment is that the middle part of coiling axle 7-2 is provided with location baffle ring 7-8 with the difference of embodiment one, and the front end of dish axle 7-2 has screw thread, is combined with nut 7-7 on the screw thread.So be provided with, dress ball dish 7-1 is fixed on the dish axle 7-2 through location baffle ring 7-8 and nut 7-7, can change fast dress ball dish 7-1.
The specific embodiment four: specify this embodiment below in conjunction with Fig. 1.This embodiment is that stake body comprises hand-hydraulic lowering or hoisting gear 9, dolly body 10 and vertical rod with the difference of embodiment one, and hand-hydraulic lowering or hoisting gear 9 is fixed on the dolly body 10, and vertical rod is fixed on the upper end of the piston rod 9-1 of hand-hydraulic lowering or hoisting gear 9.The height that can change integral support through hand-hydraulic lowering or hoisting gear 9 so is set, to meet the needs of.
The specific embodiment five: specify this embodiment below in conjunction with Fig. 1.This embodiment is that vertical rod comprises upper pright stanchion 11-1, following vertical rod 11-2 and jointed shaft 11-3 with the difference of embodiment four; The bottom of upper pright stanchion 11-1 is hinged through jointed shaft 11-3 with the upper end of following vertical rod 11-2, and said jointed shaft 11-3 is a bolt.So be provided with, it is parallel to the ground to be adjusted to dress ball dish 7-1 to the ball supplying disk assembly, and fixes with bolted splice axle 11-3, as shown in Figure 5.At this time upwards blow to ball in the air, speed is zero when ball arrives peak, and at this time, the people who practises a ball game is through impacting the sensation on hand of table tennis exercise square stance racket.So be provided with; Outside the primary air of gas vent 4-1 ejection, enclose air curtain around one; Air cushion gas distribution channel 32 upwards sprays an air cushion, and table tennis is suspended in the air, and current stabilization grid 30 is evenly cut air cushion open; The steady air current that helps air cushion, outer ring air screen air flue 31 can make table tennis spacing above nozzle 4.Produce eccentric moment through closing or open the air curtain spray orifice 4-2 at a certain position, make the wind that blows table tennis to table tennis, cause the table tennis rotation, increased training method the practitioner.

Claims (7)

1. the table tennis machine of practising a ball game; It is characterized in that it comprises stake body, ball supplying disk assembly, decelerator (1), intermittent movement indexing positioning device (2), motor (3), nozzle (4), gas cylinder (5), pressure regulator valve (6) and motor-driven valve (8); The ball supplying disk assembly is arranged on the top of stake body; The ball supplying disk assembly comprises dress ball dish (7-1), dish axle (7-2) and ball-clamped device; Its circumferencial direction of card upper edge of dress ball dish (7-1) evenly has a plurality of appearance ball through holes (7-3); All be provided with ball-clamped device in each appearance ball through hole (7-3); One end of horizontally disposed dish axle (7-2) is connected on the axial line of dress ball dish (7-1), and the other end of dish axle (7-2) is connected on the motion output of intermittent movement indexing positioning device (2), and intermittent movement indexing positioning device (2) is connected the top of stake body; The motion input of intermittent movement indexing positioning device (2) is connected on the motor shaft of motor (3) through decelerator (1); Nozzle (4) is fixed on the top of stake body, and the gas upstream end of nozzle (4) is communicated with on the gas vent of motor-driven valve (8), and the gas access of motor-driven valve (8) is communicated with on the gas vent of pressure regulator valve (6); The gas access of pressure regulator valve (6) is communicated with on the gas vent of gas cylinder (5), and the gas vent (4-1) of nozzle (4) is arranged on that in a plurality of appearance ball through holes (7-3) one locates and nozzle (4) has same axial line with this appearance ball through hole (7-3); The end face of nozzle (4) is provided with a plurality of air curtain spray orifices (4-2), and a plurality of air curtain spray orifices (4-2) are evenly arranged around the gas vent (4-1) of nozzle (4); On the circumferential outer surface of nozzle (4) around a circle outer ring air screen air flue (31); Outer ring air screen air flue (31) is opened on the end face of nozzle (4); Be provided with air cushion gas distribution channel (32) between gas vent (4-1) and the air curtain spray orifice (4-2); Air cushion gas distribution channel (32) is provided with current stabilization grid (30) at the opening part of nozzle (4) end face, on each air curtain spray orifice (4-2) magnetic valve (40) is set.
2. the table tennis according to claim 1 machine of practising a ball game is characterized in that intermittent movement indexing positioning device (2) selects Geneva mechanism for use.
3. the table tennis according to claim 1 machine of practising a ball game is characterized in that intermittent movement indexing positioning device (2) selects ratchet mechanism for use.
4. the table tennis according to claim 1 machine of practising a ball game; It is characterized in that it also comprises group pin (7-5); Said ball-clamped device comprises ball chuck (7-6) and pressing spring (7-4); The circular arc rear end of the ball chuck (7-6) that arc is tabular is hinged on the hole wall that holds ball through hole (7-3), is provided with pressing spring (7-4) between the hole wall of ball chuck (7-6) and appearance ball through hole (7-3), and the lateral edges of ball chuck (7-6) exceeds outside holding ball through hole (7-3); The rear end of dialling pin (7-5) is fixed on the external peripheral surface of nozzle (4), the front end of dialling pin (7-5) stretch out at the circular arc front end place of ball chuck (7-6) and be positioned at ball chuck (7-6), exceed the lateral edges position that is holding outside the ball through hole (7-3).
5. the table tennis according to claim 1 machine of practising a ball game is characterized in that the middle part of dish axle (7-2) is provided with location baffle ring (7-8), and the front end of dish axle (7-2) has screw thread, is combined with nut (7-7) on the screw thread.
6. the table tennis according to claim 1 machine of practising a ball game; It is characterized in that stake body comprises hand-hydraulic lowering or hoisting gear (9), little car body (10) and vertical rod; Hand-hydraulic lowering or hoisting gear (9) is fixed on the little car body (10), and vertical rod is fixed on the upper end of the piston rod (9-1) of hand-hydraulic lowering or hoisting gear (9).
7. the table tennis according to claim 1 machine of practising a ball game; It is characterized in that vertical rod comprises upper pright stanchion (11-1), following vertical rod (11-2) and jointed shaft (11-3); The bottom of upper pright stanchion (11-1) is hinged through jointed shaft (11-3) with the upper end of following vertical rod (11-2), and said jointed shaft (11-3) is a bolt.
CN201120555191XU 2011-12-27 2011-12-27 Table tennis training machine Expired - Fee Related CN202366419U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120555191XU CN202366419U (en) 2011-12-27 2011-12-27 Table tennis training machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120555191XU CN202366419U (en) 2011-12-27 2011-12-27 Table tennis training machine

Publications (1)

Publication Number Publication Date
CN202366419U true CN202366419U (en) 2012-08-08

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ID=46590144

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120555191XU Expired - Fee Related CN202366419U (en) 2011-12-27 2011-12-27 Table tennis training machine

Country Status (1)

Country Link
CN (1) CN202366419U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106984013A (en) * 2017-04-18 2017-07-28 李桂兰 Ball machine is closed in table tennis supercharging
CN108905159A (en) * 2018-08-17 2018-11-30 季晨 Store up ball machine structure and the badminton service device with the storage ball machine structure
CN111097157A (en) * 2019-12-02 2020-05-05 湖南文理学院 Triple-beat sports single training serving device and method
CN112221105A (en) * 2020-11-27 2021-01-15 郑州大学体育学院 Auxiliary service device for volleyball training

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106984013A (en) * 2017-04-18 2017-07-28 李桂兰 Ball machine is closed in table tennis supercharging
CN106984013B (en) * 2017-04-18 2023-02-17 李桂兰 Table tennis pressure boost closes ball machine
CN108905159A (en) * 2018-08-17 2018-11-30 季晨 Store up ball machine structure and the badminton service device with the storage ball machine structure
CN111097157A (en) * 2019-12-02 2020-05-05 湖南文理学院 Triple-beat sports single training serving device and method
CN111097157B (en) * 2019-12-02 2021-02-05 湖南文理学院 Triple-beat sports single training serving device and method
CN112221105A (en) * 2020-11-27 2021-01-15 郑州大学体育学院 Auxiliary service device for volleyball training
CN112221105B (en) * 2020-11-27 2021-11-05 山东沂南园区开发建设有限公司 Auxiliary service device for volleyball training

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120808

Termination date: 20121227