CN209137918U - A kind of table tennis positioning mechanism on table tenning ball servicing machine - Google Patents

A kind of table tennis positioning mechanism on table tenning ball servicing machine Download PDF

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Publication number
CN209137918U
CN209137918U CN201821962556.9U CN201821962556U CN209137918U CN 209137918 U CN209137918 U CN 209137918U CN 201821962556 U CN201821962556 U CN 201821962556U CN 209137918 U CN209137918 U CN 209137918U
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CN
China
Prior art keywords
sliding sleeve
table tennis
launching tube
hole
positioning mechanism
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821962556.9U
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Chinese (zh)
Inventor
镇方雄
吴俊智
镇依婷
吴涛
李华
陈震楠
镇子涵
镇方超
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Hubei University of Science and Technology
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Hubei University of Science and Technology
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Priority to CN201821962556.9U priority Critical patent/CN209137918U/en
Application granted granted Critical
Publication of CN209137918U publication Critical patent/CN209137918U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides the table tennis positioning mechanism on a kind of table tenning ball servicing machine, belongs to amusement equipment technical field.This table tenning ball servicing machine includes body, column and storage ball case, body is connected to the upper end of column, the top of body is arranged in storage ball case, and a launching tube is fixedly installed on body, has launch hole in launching tube, positioning mechanism includes a vacuum pump, vacuum pump connects a low pressure air suction pipe, is connected between discharge chamber and low pressure air suction pipe by an overflow pipe, several adsorption holes are offered on inner cylinder, each adsorption hole is communicated with discharge chamber, and adsorption hole can adsorb the table tennis in launch hole.The utility model has many advantages, such as that table tennis can be prevented accidentally to be detached from launch hole.

Description

A kind of table tennis positioning mechanism on table tenning ball servicing machine
Technical field
The utility model belongs to amusement equipment technical field, the table tennis localization machine being related on a kind of table tenning ball servicing machine Structure.
Background technique
Table tenning ball servicing machine is indispensable amusement and the training tool of many arenas and friend of sports fan family, can send out property various It asks, not only may be used as entertainment body-building, but also be suitable for professional training.In use, it has been found that due to being stained on table tennis Dust, the table tennis for being stained with dust enter service robot, make the precision of the table tennis transmitting device and serving mechanism in service robot by To seriously affecting, table tenning ball servicing machine card ball will lead to when serious.It is stained in addition, the dust on table tennis will lead to racket surface Dust accelerates set glue aging.
Furthermore situations such as structure is complicated for existing table tenning ball servicing machine, is easy to appear card ball, and reversed and service of serving a ball It is highly single, the effect of simulation training can not be played well.
Utility model content
The purpose of this utility model is aiming at the above problems existing in the prior art, to provide on a kind of table tenning ball servicing machine Table tennis positioning mechanism, technical problem to be solved in the utility model be how to prevent table tennis when not being knocked take off From launch hole.
The purpose of this utility model can be realized by the following technical scheme: the table tennis on a kind of table tenning ball servicing machine is fixed Position mechanism, which is characterized in that this table tenning ball servicing machine includes body, column and storage ball case, and the body is connected to the upper of column The top of body is arranged in end, the storage ball case, and a launching tube is fixedly installed on the body, has hair in the launching tube Perforation, slidably connects a shock component in the launch hole, and the shock component includes trip rod, inner sliding sleeve and outer sliding sleeve, The outer end of the inner sliding sleeve and outer sliding sleeve is fixedly linked, and a sliding slot, the launching tube are formed between the inner sliding sleeve and outer sliding sleeve Including inner barrel and outer barrel, the launch hole is located within inner cylinder, and a discharge chamber, the outer cunning are formed between the inner barrel and outer barrel Set is slidably connected in discharge chamber, and the trip rod is threaded within inner sliding sleeve, and the inner sliding sleeve is slidably connected at sliding slot Reset spring that is interior, in the sliding slot there is connection to hit component and launching tube;Table tennis in the storage ball case can be fallen into To launching tube;The positioning mechanism includes a vacuum pump, and the vacuum pump connects a low pressure air suction pipe, the discharge chamber with it is low It is connected between pressure air intake duct by an overflow pipe, several adsorption holes, each adsorption hole and discharge chamber phase is offered on the inner cylinder Logical, the adsorption hole can adsorb the table tennis in launch hole.
Since table tennis is light, during waiting to be launched, is acted on and blown out by external air flow there are table tennis, or Launching tube, which is in table tennis under heeling condition, can not remain in the case where waiting trip rod to act on it in launching tube, for this purpose, setting An overflow pipe is set, makes at adsorption hole that there are negative pressure, table tennis is adsorbed and is positioned.
In the table tennis positioning mechanism on a kind of above-mentioned table tenning ball servicing machine, the trip rod is in launch hole to hair When the ball end out penetrated is mobile, the outer sliding sleeve can cover gas outlet of the overflow pipe in discharge chamber.
In order to avoid the negative pressure at adsorption hole causes the weakening of impact strength or changing for projected angle of impact to table tennis absorption Become, when trip rod will contact table tennis, overflow pipe is closed, and negative pressure disappears at adsorption hole, makes table tennis at the moment In natural placement status.
Due to using negative-pressure adsorption table tennis, vacuum cavitations piston etc., in launch hole, the dust in inflator and sundries can It is removed, especially in launch hole locating for table tennis, light tiny impurity is likely to will cause table tennis breakage.
Detailed description of the invention
Fig. 1 is the overall structure diagram of this service robot.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Fig. 3 is the enlarged drawing of part B in Fig. 1.
Fig. 4 is the attachment structure schematic diagram between shaft and rack gear.
Fig. 5 is the schematic perspective view of piston.
In figure, 11, body;12, column;13, storage ball case;21, launching tube;22, launch hole;23, trip rod;24, interior cunning Set;25, outer sliding sleeve;26, sliding slot;27, inner cylinder;28, outer cylinder;29, discharge chamber;31, reset spring;32, low pressure air suction pipe;41, Piston;42, mandril;43, leather washer;44, overflow pipe;45, adsorption hole;46, inflator;51, the first valve block;52, the second valve block; 53, pin shaft;54, clockwork spring;55, turbine;56, valve opening one;57, valve opening two;58, stroke chamber;59, control chamber;61, bulb separation box;62, Bulb separation block;63, shaft;64, accommodating cavity;65, gear;66, rack gear;71, high pressure air intake duct;72, valve rod;73, valve chamber;74, it lacks Mouthful;75, air channel;76, connectivity slot;8, locking nut.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.
As shown in Figure 1, this table tennis automatic pitching machine includes body 11, column 12 and storage ball case 13, body 11 is connected to The top of body 11 is arranged in the upper end of column 12, storage ball case 13, and a launching tube 21, launching tube 21 are fixedly installed on body 11 It is interior that there is launch hole 22, a shock component is slidably connected in launch hole 22, hitting component includes trip rod 23,24 and of inner sliding sleeve The outer end of outer sliding sleeve 25, inner sliding sleeve 24 and outer sliding sleeve 25 is fixedly linked, and a sliding slot 26 is formed between inner sliding sleeve 24 and outer sliding sleeve 25, Launching tube 21 includes inner cylinder 27 and outer cylinder 28, and launch hole 22 is located within inner cylinder 27, and shape is in a row between inner cylinder 27 and outer cylinder 28 Air cavity 29, outer sliding sleeve 25 are slidably connected in discharge chamber 29, and trip rod 23 is threaded within inner sliding sleeve 24, and inner sliding sleeve 24 is sliding Reset spring 31 that is dynamic to be connected in sliding slot 26, in sliding slot 26 there is connection to hit component and launching tube 21;In storage ball case 13 Table tennis can be fallen into launching tube 21;Driving trip rod 23 is provided between body 11 and shock component in launching tube 21 Mobile driving mechanism.
By setting inner sliding sleeve 24, outer sliding sleeve 25, inner cylinder 27 and outer cylinder 28, make to hit guiding essence between component and body 11 Degree is high, and completely isolated between 31 region of reset spring and launch hole 22, and the scrap for avoiding spring deformation from being formed enters In launch hole 22.
Moreover, because being threadedly coupled between trip rod 23 and inner sliding sleeve 24, keep the radial position of trip rod 23 adjustable, to adjust Intensity and range when section service.
Driving mechanism is hydraulic cylinder, and push rod and the trip rod 23 of hydraulic cylinder are fixedly linked, and the cylinder body of hydraulic cylinder is fixed on machine On body 11.
As shown in Figure 1, Figure 2 and shown in Fig. 5, driving mechanism includes a vacuum pump, and vacuum pump connects a low pressure air suction pipe 32, low pressure Air intake duct 32 connects an inflator 46, and a piston 41 is slidably connected in inflator 46, and the side of piston 41 connects a mandril 42, mandril 42 are fixedly linked with trip rod 23, have one to be provided with a control valve in inflator 46, the inner cavity of inflator 46 is divided by control valve Stroke chamber 58 close to 41 side of piston and the control chamber 59 far from 41 side of piston, low pressure air suction pipe 32 are connected to control chamber 59; 41 outer ring of piston is provided with a leather washer 43, makes to seal when piston 41 is mobile to control chamber 59 with 46 inner wall of inflator, and piston 41 There is gap between 46 inner wall of inflator when mobile to 58 direction of stroke chamber.
Movement of the piston 41 in inflator 46, it is mobile synchronous in launch hole 22 with trip rod 23, it is opened by control valve It opens, makes suction function on piston 41, piston 41 is synchronous with trip rod 23 to be moved to the right, and after hitting table tennis, control valve is closed It closes, reset spring 31 drives piston 41 and trip rod 23 to reset.
It can be controlled by frequency, the unlatching duration etc. opened and closed to control valve, to realize service frequency The control of rate and service dynamics.
It is connected between discharge chamber 29 and control chamber 59 by an overflow pipe 44, several adsorption holes is offered on inner cylinder 27 45, each adsorption hole 45 is communicated with discharge chamber 29, and adsorption hole 45 can adsorb the table tennis in launch hole 22.Due to table tennis It is light, during waiting to be launched, is blown out there are table tennis by external air flow effect or launching tube 21 is in skewed Table tennis can not remain in the case where waiting trip rod 23 to act on it in launching tube 21 under state, for this purpose, one overflow pipe 44 of setting, Make at adsorption hole 45 that there are negative pressure, table tennis is adsorbed and is positioned.
When trip rod 23 is mobile to the ball end out of transmitting in launch hole 22, outer sliding sleeve 25 can cover overflow pipe 44 and arrange Gas outlet in air cavity 29.In order to avoid the negative pressure at adsorption hole 45 causes the weakening of impact strength to table tennis absorption, or The change of projected angle of impact, when trip rod 23 will contact table tennis, overflow pipe 44 is closed, and negative pressure disappears at adsorption hole 45, Table tennis is set to be in nature placement status in the moment.
Due to using negative-pressure adsorption table tennis, vacuum cavitations piston 41 etc., in launch hole 22, the dust in inflator 46 and miscellaneous Object can be removed, and especially in launch hole 22 locating for table tennis, light tiny impurity is likely to will cause table tennis broken Damage.
As depicted in figs. 1 and 2, control valve includes the first valve block 51 and the second valve block 52, is fixedly installed on the first valve block 51 There is a pin shaft 53, the second valve block 52 is set on pin shaft 53, is connected between the second valve block 52 and pin shaft 53 by a clockwork spring 54, is sold A turbine 55 is further fixedly arranged on axis 53, turbine 55 is located in control chamber 59, the outlet of low pressure air suction pipe 32 and overflow pipe 44 Entrance face, turbine 55 is located on the line between the outlet of low pressure air suction pipe 32 and the entrance of overflow pipe 44;First valve block There is valve opening 1, having on the second valve block 52 can be logical and be connected to control chamber 59 and stroke chamber 58 with one 56 pairs of valve opening on 51 Valve opening 2 57, valve opening 1 and valve opening 2 57 are in misaligned state in clockwork spring 54 in its natural state.
When carrying out table tennis practice, it is desirable to the lasting transmitting of table tennis, if control valve is by artificially controlling, it is clear that be not It is highly desirable.
Negative pressure continuous action makes to form air blast between overflow pipe 44 and low pressure air suction pipe 32, and airflow function is in turbine 55 On, pin shaft 53 is rotated, so that the first valve block 51 and the second valve block 52 is made to twist, valve hole 1 and valve opening 2 57, To make negative pressure in stroke chamber 58 increase, piston 41 and trip rod 23 are mobile, complete the shock to table tennis and emit, work as trip rod When 23 movement, outer sliding sleeve 25 closes the outlet side of overflow pipe 44, and the restoring force of clockwork spring 54 makes the first valve block 51 and the second valve block 52 Restore initial position, the negative pressure of piston 41 disappears, and in spring-return power, piston 41 and trip rod 23 reset, and overflow pipe 44 is weighed It is new to open, repeatedly, the lasting transmitting of table tennis may be implemented.
As shown in Figure 1 and Figure 4, a cylindric bulb separation box 61, bulb separation box are connected between storage ball case 13 and launch hole 22 A bulb separation block 62 is provided in 61, bulb separation block 62 is connected by a shaft 63 with bulb separation box 61, has an accommodating on bulb separation block 62 Chamber 64 is fixedly installed a gear 65 in shaft 63, the rack gear 66 for capableing of meshing gear 65 is fixedly installed on trip rod 23, holds The opening for setting chamber 64 can be communicated with launch hole 22 or storage ball case 13.
During trip rod 23 hits table tennis, rack gear 66 is mobile, so that shaft 63 is rotated 180 °, storage ball case 13 Interior table tennis can select one and enter in accommodating cavity 64, and when trip rod 23 resets, rack gear 66 resets, and shaft 63 rotates, and make to accommodate The opening direction of chamber 64, communicates with launch hole 22, and the table tennis in accommodating cavity 64 enters in launch hole 22.
By this structure, it is synchronous with service that bulb separation not only may be implemented, but also can ensure and only be assigned to one every time Table tennis, thus the generation for the problems such as avoiding card ball.
As shown in figures 1 and 3, vacuum pump is also connected with a high pressure air intake duct 71, and the upper end of column 12 is fixedly installed a valve Column 72 has a valve chamber 73 on body 11, and 72 longitudinal sliding motion of valve rod is connected in valve chamber 73, and valve chamber 73 is divided into position by valve rod 72 Pressure-releasing chamber above valve rod 72 and the negative pressure cavity positioned at 72 lower section of valve rod, high pressure air intake duct 71 are provided under valve chamber 73 by one Notch 74 on the inner wall at end is connected to negative pressure cavity, and the middle part of valve rod 72 has the air channel 75 of an annular, 75 top of air channel 72 outside wall surface of valve rod on offer the connectivity slot 76 of genesis analysis;When body 11 is moved up with respect to valve rod 72, notch 74, air channel 75 and connectivity slot 76 can intercommunication, and communicate negative pressure cavity with pressure-releasing chamber.
When carrying out table tennis training, it is desirable to which the angle served a ball every time is different, to improve the fidelity of training.
High pressure air intake duct 71 provides the negative pressure of larger intensity, and in its natural state, body 11 is located at valve chamber by weight, valve rod 72 73 top, i.e. pressure-releasing chamber volume are zero, and negative pressure cavity volume is maximum, when suction function is in negative pressure cavity, by suction function, are born Pressure chamber volume is gradually reduced, and body 11 is moved up with respect to valve rod 72, due to the fine gap between 73 inner wall of valve rod 72 and valve chamber, machine Body 11 can move up, when moving to certain altitude on body 11, specifically when the height of 1~5cm, and notch 74, air channel 75 and 76 intercommunication of connectivity slot, the negative pressure of high pressure air intake duct 71 acts on negative pressure cavity and pressure-releasing chamber simultaneously, so that body 11 is by under again It moves, in folding process, negative pressure cavity and pressure-releasing chamber are separated again, and repeatedly, body 11 is in longitudinal bounce with respect to valve rod 72 State improves simulated effect to realize the randomness and uncertainty of service.
It is threadedly coupled between the inner wall of valve chamber 73 and the outer wall of valve rod 72;The longitudinally reciprocating motion in valve chamber 73 of valve rod 72 When, the hard-over that body 11 is rotated relative to column 12 is between 5~20 °.During body 11 moves up and down, due to valve It is threadedly coupled between 73 inner wall of chamber and valve rod 72, also in the shape of rotary reciprocating motion during making body 11 longitudinally beat State further increases simulated effect and randomness.
A locking nut 77 is threaded on trip rod 23.After adjusting 23 position of trip rod, pass through locking nut 77 It is locked.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (2)

1. the table tennis positioning mechanism on a kind of table tenning ball servicing machine, which is characterized in that this table tenning ball servicing machine includes body (11), column (12) and storage ball case (13), the body (11) are connected to the upper end of column (12), storage ball case (13) setting It is fixedly installed a launching tube (21) on the top of body (11), the body (11), there is hair in the launching tube (21) Perforation (22), the launch hole (22) is interior to slidably connect a shock component, and the shock component includes trip rod (23), interior cunning Cover (24) and outer sliding sleeve (25), the outer end of the inner sliding sleeve (24) and outer sliding sleeve (25) is fixedly linked, the inner sliding sleeve (24) and It is formed between outer sliding sleeve (25) sliding slot (26), the launching tube (21) includes inner cylinder (27) and outer cylinder (28), the launch hole (22) it is located within inner cylinder (27), forms a discharge chamber (29), the outer sliding sleeve between the inner cylinder (27) and outer cylinder (28) (25) it is slidably connected in discharge chamber (29), the trip rod (23) is threaded within inner sliding sleeve (24), the inner sliding sleeve (24) it is slidably connected in sliding slot (26), the reset spring that in the sliding slot (26) there is connection to hit component and launching tube (21) (31);Table tennis in the storage ball case (13) can be fallen into launching tube (21);The positioning mechanism includes a vacuum pump, The vacuum pump connects a low pressure air suction pipe (32), passes through an overflow pipe between the discharge chamber (29) and low pressure air suction pipe (32) (44) it is connected, is offered several adsorption holes (45) on the inner cylinder (27), each adsorption hole (45) communicates with discharge chamber (29), institute The table tennis in launch hole (22) can be adsorbed by stating adsorption hole (45).
2. the table tennis positioning mechanism on a kind of table tenning ball servicing machine according to claim 1, which is characterized in that the shock When bar (23) is mobile to the ball end out of transmitting in launch hole (22), the outer sliding sleeve (25) can cover overflow pipe (44) and arrange Gas outlet in air cavity (29).
CN201821962556.9U 2018-11-27 2018-11-27 A kind of table tennis positioning mechanism on table tenning ball servicing machine Expired - Fee Related CN209137918U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821962556.9U CN209137918U (en) 2018-11-27 2018-11-27 A kind of table tennis positioning mechanism on table tenning ball servicing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821962556.9U CN209137918U (en) 2018-11-27 2018-11-27 A kind of table tennis positioning mechanism on table tenning ball servicing machine

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CN209137918U true CN209137918U (en) 2019-07-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109200560A (en) * 2018-11-27 2019-01-15 湖北科技学院 A kind of table tennis positioning mechanism on table tenning ball servicing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109200560A (en) * 2018-11-27 2019-01-15 湖北科技学院 A kind of table tennis positioning mechanism on table tenning ball servicing machine
CN109200560B (en) * 2018-11-27 2023-10-27 湖北科技学院 Table tennis positioning mechanism on table tennis service robot

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190723

Termination date: 20211127

CF01 Termination of patent right due to non-payment of annual fee