CN209012293U - A kind of Pneumatic unidirectional high-speed overload clutch - Google Patents

Abstract

The utility model discloses a kind of Pneumatic unidirectional high-speed overload clutch, the middle part of two turntables offers axis hole, and the axis forward extended out is equipped at axis hole, and the front and back end of the outer ring is respectively connected with the escapement for resisting the turntable of corresponding side.Axis rotation, drive two turntable rotations, turntable rotates in outer ring, the rotation of driven by rotary disc inner ring, when being inflated by pipe fitting, air pocket rings bulge, to eject guide post, move guide post outside pilot hole, it is driven counterclockwise to make driving cog stick into tooth socket, it bounces back under the toughness of air pocket rings when losing heart, and when axis rotates clockwise, one end and clockwise inner cavity surface arc transition due to tooth socket far from axis, therefore, driving cog can skid off, cannot exert a force transmission, accomplish single-direction transmission, here it is driven by driving cog and tooth socket, relative to frictional drive, the transmission dynamics of driving cog is bigger, effect is more preferable, it is suitble to heavy duty and high speed, convenient for using on heavy vehicles.

Description

A kind of Pneumatic unidirectional high-speed overload clutch

Technical field

The utility model relates to arrive Pneumatic unidirectional clutch high-speed overload field, and in particular to a kind of Pneumatic unidirectional high speed Heavily loaded clutch.

Background technique

Market existing procucts are generally one-way clutch, pneumatic clutch, electromagnetic clutch etc. at present.One-way clutch is Monodirectional locking may be implemented in mechanical clutch, and other direction is freely rotated, and cannot achieve two-way be freely rotated；Air clutch Device be by external pressure realize clutch two-way separation and locking, cannot achieve monodirectional locking with separate, and size compared with Greatly, it is not able to satisfy small-sized, light-duty design；Electromagnetic clutch is Bidirectional locking in the case of being powered by high-speed double electromagnet and disconnected Separation in electric situation can not be controlled by external pressure, and size is larger, not be able to satisfy small-sized, light-duty design. And current market product can only realize unidirectional separation and the one-way lock of component when using clutch by the connection of clutch Fixed or two-way separation and Bidirectional locking, then cannot achieve when needing while realizing monodirectional locking with two-way separate.In order to fill up This blanking technique and design a kind of Pneumatic unidirectional clutch, freely turning for both direction can be realized in not input air pressure It is dynamic, monodirectional locking is realized in input air pressure.Therefore just there is Pneumatic unidirectional clutch, for example notification number is CN207661023U " a kind of Pneumatic unidirectional clutch, is related to technical field of mechanical transmission, and solving in the prior art can only be by the company of clutch Connect realize the unidirectional separation of component and monodirectional locking or it is two-way separate and Bidirectional locking, when need and meanwhile realize monodirectional locking with pair To the technical problems such as then cannot achieve when separation comprising main shaft, ejector pin, star-wheel one, outer ring, roller, baffle one and baffle two, Star-wheel one is set to inside outer ring, and roller is set in the open slot of star-wheel one, and roller is flexibly connected with star-wheel one, ejector pin and rolling Column is fixedly connected, and ejector pin is flexibly connected with star-wheel one, and baffle one and baffle two are all set in outer ring, and pipe is additionally provided in outer ring Connector, star-wheel two, air bag, screw, circlip one, positioning pin and circlip two, star-wheel two and outer ring are rotatablely connected, star-wheel Two are fixedly connected with star-wheel one, and air bag is set to inside star-wheel two and star-wheel one.The utility model has structure simple, economical real With safe and reliable advantage ", still, it is the frictional drive by roller, and transmission dynamics is smaller, is not suitable for heavy duty.

Utility model content

It is uncomfortable the technical problem to be solved by the utility model is to Pneumatic unidirectional driven by clutches dynamics in the market is small Close heavy duty.

To achieve the goals above, technical solution provided by the utility model is: a kind of Pneumatic unidirectional high-speed overload clutch Device, including outer ring are equipped with the inner ring of coaxial line in the outer ring, and the front and back end of inner ring is respectively and fixedly provided with and is against on outer ring inner wall Coaxial line turntable, the middle part of two turntables offers axis hole, and the axis forward extended out is equipped at axis hole, the outer ring Front and back end be respectively connected with the escapement for resisting the turntable of corresponding side；

The air pocket rings of the annular between former and later two turntables are socketed on the axis, and the front and back end of air pocket rings is against On two turntables, is circumferentially offered at equal intervals in the inner ring and be directed toward the pilot hole that the section of axis is square, and pilot hole It is inside plugged with the guide post that inner end is bonded on air pocket rings, one-way driving mechanism, and gas are equipped between the guide post and outer ring The front end of capsule ring is circumferentially connected with the pipe fitting for advancing through front side turntable.

Preferably, the one-way driving mechanism includes the driving cog for being fixed on guide post and being arranged far from the front and back of axis one end, And it is spaced apart on the internal chamber wall of outer ring etc. and is equipped with tooth socket corresponding with driving cog, inner cavity surface and up time of the tooth socket far from axis Arc transition between the inner cavity surface in needle direction.

Preferably, the driving cog is arc-shaped far from one end of inner ring axis.

Preferably, the escapement includes the baffle ring for being connected to outer ring front and back end, and is offered on outer ring and baffle ring pair The mounting groove answered is bolted between the baffle ring and mounting groove by first.

Preferably, it is bolted between the turntable and inner ring by second, and the second bolt is located in baffle ring.

The utility model design, when transmission, axis rotation drives two turntables rotations, and turntable rotates in outer ring, turntable band Dynamic inner ring rotation, when being inflated by pipe fitting, air pocket rings bulge, to eject guide post, move guide post outside pilot hole, It is driven to make driving cog stick into tooth socket, is bounced back under the toughness of air pocket rings when losing heart counterclockwise, and when axis turns clockwise When dynamic, one end and clockwise inner cavity surface arc transition due to tooth socket far from axis, driving cog can skid off, Bu Nengshi Power transmission, accomplishes single-direction transmission, is driven here by driving cog and tooth socket, relative to frictional drive, the transmission of driving cog Dynamics is bigger, and effect is more preferable, is suitble to heavy duty and high speed, convenient for using on heavy vehicles.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the main view of the utility model；

Fig. 3 is the left view that the turntable of the utility model is connect with inner ring.

In figure: 1 outer ring, 2 inner ring, 21 turntables, 22 axis, 23 air pocket rings, 24 guide posts, 25 driving cogs, 26 tooth sockets, 27 gears Ring, 28 first bolts, 29 second bolts, 3 pipe fittings.

Specific embodiment

As shown in Figures 1 to 3, a kind of Pneumatic unidirectional high-speed overload clutch, including outer ring 1 are equipped with coaxial line in outer ring 1 Inner ring 2, and the front and back end of inner ring 2 is respectively and fixedly provided with the turntable 21 for the coaxial line being against on 1 inner wall of outer ring, turntable 21 and inner ring 2 Between connected by the second bolt 29, and the second bolt 29 is located in baffle ring 27, is easily installed, and the middle part of two turntables 21 is opened Equipped with axis hole, and the axis 22 forward extended out is installed at axis hole, the front and back end of outer ring 1 is respectively connected with the turntable for resisting corresponding side 21 escapement, escapement include the baffle ring 27 for being connected to 1 front and back end of outer ring, and offered on outer ring 1 it is right with baffle ring 27 The mounting groove answered is connected between baffle ring 27 and mounting groove by the first bolt 28, limits turntable 21 in front-rear direction.

The air pocket rings 23 of the annular between former and later two turntables 21, and the front and back end of air pocket rings 23 are socketed on axis 22 It is against on two turntables 21, is circumferentially offered at equal intervals in inner ring 2 and be directed toward the pilot hole that the section of axis is square, and be oriented to It is plugged with the guide post 24 that inner end is bonded on air pocket rings 23 in hole, one-way driving mechanism is equipped between guide post 24 and outer ring 1, One-way driving mechanism includes the driving cog 25 for being fixed on guide post 24 and being arranged far from the front and back of 22 one end of axis, and the inner cavity of outer ring 1 Equal be spaced apart is equipped with tooth socket 26 corresponding with driving cog 25 on wall, inner cavity surface of the tooth socket 26 far from axis with it is clockwise interior Arc transition between Cavity surface, air pocket rings 23 strut, and open guide post 24, so that driving cog 25 be made to stick into tooth socket 26, carry out the inverse time Needle transmission, and when axis 22 rotates clockwise, one end and clockwise inner cavity surface arc transition due to tooth socket 26 far from axis 22, Therefore, driving cog 25 can skid off, and accomplish that single-direction transmission, driving cog 25 are arc-shaped far from one end of 2 axis of inner ring, reduction rubs It wipes, and the front end of air pocket rings 23 is circumferentially connected with the pipe fitting 3 for advancing through front side turntable 21.

When transmission, axis 22 is rotated, and two turntables 21 is driven to rotate, and turntable 21 rotates in outer ring 1, and turntable 21 drives inner ring 2 rotations, when being inflated by pipe fitting 3, air pocket rings 23 bulge, to eject guide post 24, make guide post 24 outside pilot hole It moves, is driven counterclockwise so that driving cog 25 be made to stick into tooth socket 26, bounced back under the toughness of air pocket rings 23 when losing heart, and work as axis 22 when rotating clockwise, one end and clockwise inner cavity surface arc transition due to tooth socket 26 far from axis 22, driving cog 25 It can skid off, cannot exert a force transmission, accomplish single-direction transmission, be driven here by driving cog 25 and tooth socket 26, relative to rubbing Transmission is wiped, the transmission dynamics of driving cog 25 is bigger, and effect is more preferable, is suitble to heavy duty and high speed, convenient for using on heavy vehicles.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (5)

1. a kind of Pneumatic unidirectional high-speed overload clutch, including outer ring (1), it is characterised in that: be equipped in the outer ring (1) same The inner ring (2) of axis, and the front and back end of inner ring (2) is respectively and fixedly provided with the turntable (21) for the coaxial line being against on outer ring (1) inner wall, two The middle part of a turntable (21) offers axis hole, and the axis (22) forward extended out is equipped at axis hole, the front and back of the outer ring (1) End is respectively connected with the escapement for the turntable (21) for resisting corresponding side；

The air pocket rings (23) of the annular between former and later two turntables (21), and air pocket rings (23) are socketed on the axis (22) Front and back end be against on two turntables (21), circumferentially offered at equal intervals on the inner ring (2) be directed toward axis section in side The pilot hole of shape, and the guide post (24) that inner end is bonded on air pocket rings (23) is plugged in pilot hole, the guide post (24) One-way driving mechanism is equipped between outer ring (1), and the front end of air pocket rings (23) is circumferentially connected with and advances through front side turntable (21) pipe fitting (3).

2. Pneumatic unidirectional high-speed overload clutch according to claim 1, it is characterised in that: the one-way driving mechanism includes Be fixed on guide post (24) far from axis (22) one end front and back be arranged driving cog (25), and on the internal chamber wall of outer ring (1) etc. between Separate be equipped with tooth socket (26) corresponding with driving cog (25), the tooth socket (26) far from axis inner cavity surface with it is clockwise Arc transition between inner cavity surface.

3. Pneumatic unidirectional high-speed overload clutch according to claim 2, it is characterised in that: the driving cog (25) is far from interior One end of ring (2) axis is arc-shaped.

4. Pneumatic unidirectional high-speed overload clutch according to claim 1, it is characterised in that: the escapement includes clamping Baffle ring (27) in outer ring (1) front and back end, and mounting groove corresponding with baffle ring (27), the baffle ring are offered on outer ring (1) (27) it is connect between mounting groove by the first bolt (28).

5. Pneumatic unidirectional high-speed overload clutch according to claim 4, it is characterised in that: the turntable (21) and inner ring (2) it is connected between by the second bolt (29), and the second bolt (29) is located in baffle ring (27).