CN107676403A - The double rolling key clutch that a kind of shared bicycle uses - Google Patents

The double rolling key clutch that a kind of shared bicycle uses Download PDF

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Publication number
CN107676403A
CN107676403A CN201710838124.0A CN201710838124A CN107676403A CN 107676403 A CN107676403 A CN 107676403A CN 201710838124 A CN201710838124 A CN 201710838124A CN 107676403 A CN107676403 A CN 107676403A
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CN
China
Prior art keywords
scrollwork
triggering
spring
output shaft
gear
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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.)
Pending
Application number
CN201710838124.0A
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Chinese (zh)
Inventor
刘金龙
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Dongguan Songyan Zhida Industrial Design Co Ltd
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Dongguan Songyan Zhida Industrial Design Co Ltd
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Application filed by Dongguan Songyan Zhida Industrial Design Co Ltd filed Critical Dongguan Songyan Zhida Industrial Design Co Ltd
Priority to CN201710838124.0A priority Critical patent/CN107676403A/en
Publication of CN107676403A publication Critical patent/CN107676403A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00Freewheels or freewheel clutches
    • F16D41/24Freewheels or freewheel clutches specially adapted for cycles

Abstract

The invention belongs to double rolling key clutch technical field, a kind of more particularly to double rolling key clutch that shared bicycle uses, 3 the first scrollwork triggering springs of the present invention are nested against one another, and the scrollwork direction identical effect of three the first scrollwork triggering springs is that the scrollwork that spring can be triggered by the first scrollwork is acted on to drive output shaft to rotate;The effect that 3 first ear shape flexure strip one end are arranged on corresponding first scrollwork triggering outer spring end is by the drive block on driving circle first ear shape flexure strip can be driven to deform, so that the first scrollwork triggers camber of spring, the first scrollwork triggering spring drives output shaft rotation;3 the second scrollwork triggering springs are nested into one another, and effect in opposite direction is that the scrollwork that spring can be triggered by the second scrollwork is acted on to drive output shaft to rotate with the scrollwork of 3 the second scrollwork triggering springs, bi-directional drive output shaft is enclosed in direction of rotation and the direction of rotation of the first scrollwork triggering spring on the contrary, having the function that to drive.

Description

The double rolling key clutch that a kind of shared bicycle uses
Art
The invention belongs to double rolling key clutch technical field, more particularly to a kind of shared bicycle use it is two-way super More clutch.
Background technology
It is complex in current existing double rolling key clutch structure, scrollwork triggering spring easily breaks, reliability is low, the longevity Order short, output shaft easily wear, manufacturing cost it is also high, when existing double rolling key clutch use necessity transmission mechanism on When, if double rolling key clutch, which breaks down, to bring larger economic loss to country, personal, enterprise, so just needing Design the double rolling key clutch that a kind of shared bicycle uses.
The present invention designs the double rolling key clutch that a kind of shared bicycle uses and solves as above problem.
The content of the invention
To solve drawbacks described above of the prior art, the present invention disclose a kind of bidirectional overtaking that shared bicycle uses from Clutch, it is realized using following technical scheme.
The double rolling key clutch that a kind of shared bicycle uses, it is characterised in that:It include output shaft, fast pulley, Circle, governor motion, scroll spring, triggering cylinder, first is driven to trigger spring, drive block, the second spacer ring, second every, the first scrollwork Scrollwork triggering spring, connection ring, the 3rd spacer ring, connection strap, the first contiguous block, the second contiguous block, the 3rd contiguous block, first ear Shape flexure strip, the second ear shape flexure strip, chute, square groove, support ring, narrow slot, terminal pad, actuating sleeve, return spring, guide groove, Guide block, wherein fast pulley are arranged on output shaft;3 the first scrollwork triggering springs are nested into one another, and three the first whirlpools The scrollwork direction of volume triggering spring is identical;3 the first scrollwork triggering springs are nested on output shaft;3 first ear shape elasticity Piece one end is arranged on corresponding first scrollwork triggering outer spring end;3 the second scrollwork triggering springs are nested into one another, and The scrollwork direction of 3 the second scrollwork triggering springs is identical and in opposite direction with the scrollwork of 3 the second scrollwork triggering springs;3 Two scrollworks triggering spring is nested on output shaft;Triggered installed in corresponding second scrollwork 3 second ear shape flexure strip one end On outer spring end, and the second ear shape flexure strip coordinates with first ear shape flexure strip;First spacer ring, the second spacer ring, the 3rd every Ring is sequentially arranged on output shaft, and the second spacer ring is located between the first scrollwork triggering spring and the second scrollwork triggering spring;The One spacer ring is located at the first scrollwork triggering spring side;3rd spacer ring is located at the second scrollwork triggering spring side;3 the second contiguous blocks It is circumferentially uniform to be arranged on the second spacer ring side, and each second contiguous block coordinates with corresponding first ear shape flexure strip; First spacer ring is connected with the second contiguous block by the first contiguous block;3rd spacer ring passes through the 3rd contiguous block phase with the second contiguous block Even;Driving circle inner headed face is arranged on fast pulley;3 drive blocks are circumferentially uniform to be arranged on driving circle inner headed face, and two First ear shape flexure strip that adjacent drive block is located at and the second ear shape flexure strip between;Terminal pad one end, which is arranged on, drives Moving-coil is away from fast pulley one end;Connection ring one end is circumferentially uniform to be provided with 3 narrow slots;Connection ring is opened to be opened on the inner headed face of narrow slot side There is internal thread;One end that connection ring keeps away narrow slot is arranged in terminal pad;3 governor motions are installed in connection side surface On, and 3 governor motions coordinate with corresponding narrow slot;External screw thread is provided with the periphery of triggering cylinder side, and external screw thread is not outputed Trigger cylinder end face;It is circumferentially uniform on triggering cylinder end face to be provided with 3 square grooves;And 3 square grooves coordinate with corresponding narrow slot;Trigger cylinder Evolution groove is circumferentially uniform on inner headed face successively to be provided with 3 chutes, and chute coordinates with corresponding square groove;Triggering cylinder passes through thereon Over the screw-internal thread fit opened in screw thread and connection ring install;Support ring one end is arranged on triggering cylinder away from square groove end face On;Two guide blocks are symmetrically mounted on support ring periphery;Two non-through guide grooves are symmetrically provided with actuating sleeve inner headed face;Drive Dynamic set is arranged in support ring by the cooperation of guide groove and guide block;Return spring is located in actuating sleeve, the installation of return spring one end On support ring end face, the other end is arranged on actuating sleeve inner face;Scroll spring is inner to be arranged on triggering cylinder, and outer end passes through Connection strap is arranged in connection ring.
Above-mentioned governor motion includes the first T-shaped plate, the first rack, first gear, support shaft, L-shaped fixed plate, the second T-shaped Plate, sliding block, the second rack, second gear, the first T-slot, the second T-slot, wherein L-shaped fixed plate one end are arranged on terminal pad end On face;Support shaft is arranged on L-shaped fixed plate;Support shaft both sides are provided with first gear and second gear;First gear diameter It is 2 times of second gear diameter;First gear is located at L-shaped fixed plate both sides with second gear;First gear pass square groove with it is narrow Groove;The first non-through T-slot is provided with first rack side;First T-shaped plate one end is arranged on L-shaped fixed plate;First tooth Bar is slidably installed by the first T-slot and the first T-shaped plate, and the first rack engages with first gear, first rack one end It is fixedly mounted on the 3rd spacer ring end face;The second non-through T-slot is provided with second rack side;Second T-shaped plate passes through solid Block is determined on L-shaped fixed plate side;Second rack is slidably installed by the second T-slot and the second T-shaped plate;Second rack Sliding block is installed on side away from the second T-shaped plate;Second rack is coordinated by the sliding block installed thereon with slide to be installed On triggering cylinder, and the second rack engages with second gear.
As the further improvement of this technology, in L on the periphery of above-mentioned output shaft side1Roughness is on distance range 12.5, in L2Wear-resisting tungsten carbide is scribbled inside and outside distance range on disc, in L3Roughness is 12.5 on distance range.
As the further improvement of this technology, the size requirement that square groove is provided with above-mentioned triggering cylinder is that support set can band Dynamic 15 degree of triggering cylinder positive and negative rotation, without causing first gear to interfere.
As the further improvement of this technology, it is nested into one another as above-mentioned 3 the first scrollworks triggering spring, and three The scrollwork direction identical alternative of individual first scrollwork triggering spring is that 4 the first scrollwork triggering springs are nested against one another one Rise, and the scrollwork direction of 4 the first scrollwork triggering springs is identical.
As the further improvement of this technology, above-mentioned driving circle is arranged on fast pulley by bearing.
As the further improvement of this technology, above-mentioned fast pulley is arranged on output shaft by bearing.
Relative to traditional double rolling key clutch technology, the effect that fast pulley of the present invention is arranged on output shaft is support Driving circle;3 the first scrollwork triggering springs are nested into one another, and the scrollwork direction of three the first scrollwork triggering springs is identical Effect be that the scrollwork that spring can be triggered by first scrollwork acts on and drive output shaft to rotate;3 first ear shape elasticity The effect that piece one end is arranged on corresponding first scrollwork triggering outer spring end is can be by the driving on driving circle Block drives the deformation of first ear shape flexure strip, so that the first scrollwork triggers camber of spring so that the first scrollwork triggers spring Output shaft can be driven to rotate;3 the second scrollwork triggering springs are nested into one another, and 3 the second scrollworks trigger spring Scrollwork direction is identical and the effect in opposite direction with the scrollwork of 3 the second scrollwork triggering springs is can be triggered by the second scrollwork The scrollwork of spring is acted on to drive output shaft to rotate, and the direction of rotation of spring is triggered on the contrary, reaching in direction of rotation with the first scrollwork Can be with the effect of bi-directional drive output shaft to driving circle;3 second ear shape flexure strip one end are arranged on corresponding second scrollwork Trigger on outer spring end, and the effect that coordinates of the second ear shape flexure strip and first ear shape flexure strip be can by installed in Drive block on driving circle drives the deformation of the second ear shape flexure strip, so that the second scrollwork triggers camber of spring so that the Two scrollworks triggering spring can drive output shaft to rotate;First spacer ring, the second spacer ring, the 3rd spacer ring are sequentially arranged at output shaft On, and the effect that the second spacer ring is located between the first scrollwork triggering spring and the second scrollwork triggering spring is to be on the one hand to First scrollwork triggering spring and the second scrollwork are triggered into spring to keep apart, be on the other hand for the ease of the first spacer ring, second every Ring, the 3rd spacer ring can drive the first scrollwork triggering spring and the second scrollwork triggering spring circumferentially to be moved along output shaft;3 Second contiguous block is circumferentially uniform to be arranged on the second spacer ring side, and each second contiguous block and corresponding first ear shape bullet Property piece coordinate effect be easy for connect the first spacer ring, the second spacer ring, the 3rd spacer ring;Driving circle inner headed face is arranged on fast pulley Effect be that the motion of terminal pad is delivered on drive block;3 drive blocks are circumferentially uniform to be arranged on driving circle inner headed face, And the first ear shape flexure strip that is located at of two adjacent drive blocks and the second ear shape flexure strip between effect be to One deformation force of two ear shape flexure strips or first ear shape flexure strip, so that the first scrollwork triggering spring and the second whirlpool Volume triggering camber of spring, has the function that drive block drives output shaft;Terminal pad one end is arranged on driving circle away from fast pulley one The effect at end is that governor motion and connection ring is fixedly mounted;The circumferentially uniform effect for being provided with 3 narrow slots in connection ring one end is just Stretched out in first gear, prevent from connection ring interfering in first gear rotary course;3 governor motions are installed in terminal pad end On face, and 3 governor motions are that the first scrollwork of regulation triggering spring and the second scrollwork trigger with the effect that corresponding narrow slot coordinates Spring contacts with the tungsten carbide applied on output shaft, so as to reach the effect for improving the double rolling key clutch life-span;Trigger cylinder one It is provided with external screw thread on the periphery of side, and external screw thread, which does not output the effect of triggering cylinder end face, is matched somebody with somebody with the internal thread opened in connection ring Close, and also to prevent that trigger cylinder is mutually disengaged with connection ring;It is circumferentially uniform on triggering cylinder end face to be provided with 3 square grooves;And 3 Individual square groove is easy for triggering cylinder with the effect that corresponding narrow slot coordinates can surround 15 degree of own axes positive and negative rotation;Triggering cylinder is opened Square groove is circumferentially uniform on inner headed face successively to be provided with 3 chutes, and chute is when triggering cylinder with the effect that corresponding square groove coordinates In rotary course, it will not make it that being arranged on the second rack on triggering cylinder by sliding block rotates;Support ring one end is arranged on triggering cylinder It is that the motion on actuating sleeve is passed into triggering cylinder away from the effect on square groove end face;Actuating sleeve by the guide groove opened thereon with The cooperation of guide block in support ring is arranged in support ring;Return spring is located in actuating sleeve, return spring one end peace On support ring end face, the effect that the other end is arranged on actuating sleeve inner face is to give support ring one restoring force effect;Whirlpool Coil spring is inner to be arranged on triggering cylinder, and the effect that outer end is arranged in connection ring by connection strap is easy for triggering cylinder and returned to Position originally.
The effect of governor motion is the first scrollwork of regulation triggering spring and the second scrollwork triggering spring and output in the present invention The tungsten carbide contact applied on axle, so as to reach the effect for improving the double rolling key clutch life-span;L-shaped fixed plate one end is arranged on Effect in connection side surface is easy for installing support shaft, the first T-shaped plate, the second T-shaped plate;Support shaft is arranged on L-shaped fixed plate On effect be support first gear and second gear;First gear diameter is that 2 times of effects of second gear diameter are to work as driving During set rotation, the actuating sleeve of rotation will drive support ring to rotate, and the support ring of rotation will drive triggering cylinder rotation, due to this When driving circle on loaded effect so that driving circle do not rotate, terminal pad will not also rotate with connection ring;Triggering It will be axially moved in the presence of the external screw thread that cylinder is opened thereon in rotary course along itself;Triggering will in cylinder motion process The second rack mounted thereto is driven to be moved along the second T-shaped plate;Second rack of motion will drive second gear to move;The Two gears will drive support shaft to move;Support shaft will drive first gear to move, and first gear will drive the first rack Moved along the first T-shaped plate;First rack will drive the 3rd partition movement, and the 3rd dividing plate will drive the by the 3rd contiguous block Two partition movements, second partition by the second contiguous block drive first partition move so that the first scrollwork triggering spring with Second scrollwork triggering spring moves along output shaft axis direction;In the process, when the second rack motion L apart from when, the second tooth Wheel will rotate N circles, and first gear will rotate N circles, and the first rack will move 2L distances, so that the first scrollwork triggers Spring and the second scrollwork triggering spring can be moved to fixed position;The first non-through T-shaped is provided with first rack side The effect of groove is coordinated with the first T-shaped plate;The effect that the second non-through T-slot is provided with second rack side is and the 2nd T Shape plate coordinates;In L on the periphery of output shaft side1Roughness is 12.5 on distance range, effect be easy for the first scrollwork and touch Send out spring and the second scrollwork triggering spring slide;In L2Scribbling the effect of wear-resisting tungsten carbide inside and outside distance range on disc is, Strengthen the wearability of output shaft, can be with work when the first scrollwork triggers spring and the second scrollwork triggering spring rubs with output shaft It is longer to make the time, so as to have the function that to extend the double rolling key clutch life-span, in L3Roughness is 12.5 on distance range Effect is easy for the first scrollwork triggering spring and the second scrollwork triggering spring slide.
In use, when output shaft rotates, due to the first scrollwork trigger spring and the second scrollwork triggering spring with Between output shaft only can contact will not driving force, so output shaft will not drive driving circle, terminal pad, connection ring, trigger cylinder, Support ring, actuating sleeve motion, so as to reach the purpose that output shaft will not drive actuating sleeve to move;When actuating sleeve rotates, and work as When the driving force of rotation is smaller, the actuating sleeve of rotation will drive support ring, triggering cylinder, connection ring, terminal pad, driving successively Circle, drive block, first ear shape shape flexure strip and the second ear shape shape flexure strip, the first scrollwork triggering spring and the second scrollwork touch Send out spring, output shaft motion;So as to reach the purpose that actuating sleeve drives output shaft rotation;The drive being subject to due to actuating sleeve now Power is smaller, so the internal thread that triggering cylinder now will not be opened along in connection ring moves so that bidirectional overtaking from The rotation sensitivity of clutch greatly promotes;When actuating sleeve rotates, so as to which rotate counterclockwise is seen in actuating sleeve direction, and when rotation Driving force it is larger when, the actuating sleeve of rotation will drive support ring, triggering cylinder, the second rack successively to close to actuating sleeve direction Motion, second gear, support shaft, first gear, the first rack will to move away from actuating sleeve direction, the 3rd dividing plate, second Dividing plate, first partition, the second scrollwork triggering spring and the first scrollwork triggering spring will move to away from actuating sleeve direction, so as to So that the second scrollwork triggering spring is located at the L for scribbling tungsten carbide2Opening position, while the external screw thread on triggering cylinder now also will rotation Turned, triggering cylinder now will drive successively connection ring, terminal pad, driving circle, drive block, first ear shape shape flexure strip and Second ear shape shape flexure strip, the first scrollwork triggering spring and the second scrollwork triggering spring, the second scrollwork triggering spring now Pressure effect is there are between output shaft, so the second scrollwork triggering spring will drive output shaft rotate counterclockwise;So as to Reach the purpose that actuating sleeve drives output shaft rotation;Because the driving force that actuating sleeve now is subject to is larger, bidirectional overtaking clutch The rotation sensitivity of device is lowered significantly, but the second scrollwork triggering spring is located at L2Opening position so that bidirectional overtaking from The output shaft service life lifting of clutch;When actuating sleeve rotates, so that actuating sleeve direction is seen and turned clockwise, and when rotation When driving force is larger, the actuating sleeve of rotation will drive support ring, triggering cylinder, the second rack to be transported to close to actuating sleeve direction successively Dynamic, second gear, support shaft, first gear, the first rack will to be moved close to actuating sleeve direction, the 3rd dividing plate, second every Plate, first partition, the second scrollwork triggering spring and the first scrollwork triggering spring will move to close to actuating sleeve direction, so that Obtain the first scrollwork triggering spring and be located at the L for scribbling tungsten carbide2Opening position, while the external screw thread on triggering cylinder now also will rotation Complete, triggering cylinder now will drive connection ring, terminal pad, driving circle, drive block, first ear shape shape flexure strip and the successively Two ear shape shape flexure strips, the first scrollwork triggering spring and the second scrollwork triggering spring, now the first scrollwork triggering spring with Pressure effect is there are between output shaft, so the first scrollwork triggering spring will drive output shaft to turn clockwise;So as to arrive The purpose of output shaft rotation is driven up to actuating sleeve;Because the driving force that actuating sleeve now is subject to is larger, double rolling key clutch Rotation sensitivity lower significantly, but the first scrollwork triggering spring be located at L2Opening position, so that bidirectional overtaking clutch The output shaft service life lifting of device.
Brief description of the drawings
Fig. 1 is global facility distribution schematic diagram.
Fig. 2 is output shaft mounting structure schematic diagram.
Fig. 3 is scroll spring mounting structure schematic diagram.
Fig. 4 is governor motion mounting structure schematic diagram.
Fig. 5 is the first scrollwork triggering spring mounting structure schematic diagram.
Fig. 6 is the second scrollwork triggering spring structure schematic diagram.
Fig. 7 is second partition mounting structure schematic diagram.
Fig. 8 is the first contiguous block mounting structure schematic diagram.
Fig. 9 is first ear shape flexure strip mounting structure schematic diagram.
Figure 10 is connecting jacket structure schematic diagram.
Figure 11 is adapter sleeve sectional view.
Figure 12 is triggering barrel structure schematic diagram.
Figure 13 is the first T-shaped plate mounting structure schematic diagram.
Figure 14 is the second T-shaped plate mounting structure schematic diagram.
Figure 15 is the first rack mounting structure schematic diagram.
Figure 16 is the first scrollwork triggering spring moving process figure.
Figure 17 is sliding block mounting structure schematic diagram.
Reference:1- output shafts;2- fast pulleys;3- driving circles;4- governor motions;5- scroll springs;6- triggers cylinder;7- First spacer ring;The scrollworks of 8- first trigger spring;9- drive blocks;The spacer rings of 10- second;The scrollworks of 11- second trigger spring;12- connections Ring;The spacer rings of 13- the 3rd;14- connection straps;The T-shaped plates of 15- first;The racks of 16- first;17- first gears;18- support shafts;19-L Shape fixed plate;The T-shaped plates of 20- second;21- sliding blocks;The racks of 22- second;23- second gears;The contiguous blocks of 24- first;25- second connects Connect block;The contiguous blocks of 26- the 3rd;27- first ear shape flexure strips;28- the second ear shape flexure strips;29- chutes;30- square grooves; 31- support rings;32- narrow slots;The T-slots of 33- first;34- terminal pads;The T-slots of 35- second;36- actuating sleeves;37- return springs; 38- guide grooves;39- guide blocks.
Embodiment
As shown in Figure 1, 2, it includes output shaft 1, fast pulley 2, driving circle 3, governor motion 4, scroll spring 5, triggering cylinder 6th, first every, the first scrollwork triggering spring 8, drive block 9, the second spacer ring 10, the second scrollwork triggering spring 11, connection ring 12, the Three spacer rings 13, connection strap 14, the first contiguous block 24, the second contiguous block 25, the 3rd contiguous block 26, first ear shape flexure strip 27, Second ear shape flexure strip 28, chute 29, square groove 30, support ring 31, narrow slot 32, terminal pad 34, actuating sleeve 36, return spring 37th, guide groove 38, guide block 39, as shown in Figure 1, 2, wherein fast pulley 2 is arranged on output shaft 1;As shown in Figure 1,5,3 the first whirlpools Volume triggering spring 8 is nested into one another, and the scrollwork direction of three the first scrollwork triggering springs 8 is identical;As shown in fig. 6,3 First scrollwork triggering spring 8 is nested on output shaft 1;As shown in figure 9,3 one end of first ear shape flexure strip 27 are arranged on phase On the first scrollwork triggering spring 8 outer end answered;3 the second scrollwork triggering springs 11 are nested into one another, and 3 the second scrollworks The scrollwork direction for triggering spring 11 is identical and in opposite direction with the scrollwork of 3 the second scrollwork triggering springs 11;As shown in figure 5,3 Second scrollwork triggering spring 11 is nested on output shaft 1;As shown in figure 9,3 one end of the second ear shape flexure strip 28 are arranged on phase On the second scrollwork triggering spring 11 outer end answered, and the second ear shape flexure strip 28 coordinates with first ear shape flexure strip 27;Such as Fig. 1, shown in 2, the first spacer ring 7, the second spacer ring 10, the 3rd spacer ring 13 are sequentially arranged on output shaft 1, and the second spacer ring 10 is located at Between first scrollwork triggering spring 8 and second scrollwork triggering spring 11;As shown in figure 8, the first spacer ring 7 is located at the triggering of the first scrollwork The side of spring 8;As shown in figure 8, the 3rd spacer ring 13 is located at the second scrollwork triggering spring 11 side;As shown in fig. 7,3 second companies Connect that block 25 is circumferentially uniform to be arranged on the side of the second spacer ring 10, and each second contiguous block 25 and corresponding first ear shape bullet Property piece 27 coordinates;As shown in fig. 7, the first spacer ring 7 is connected with the second contiguous block 25 by the first contiguous block 24;3rd spacer ring 13 with Second contiguous block 25 is connected by the 3rd contiguous block 26;As shown in Figure 1, 2,3 inner headed faces of driving circle are arranged on fast pulley 2;Such as Fig. 1, shown in 2,3 drive blocks 9 are circumferentially uniform is arranged on driving 3 inner headed faces of circle, and two adjacent drive blocks 9 are located at First ear shape flexure strip 27 and the second ear shape flexure strip 28 between;As shown in Figure 1, 2, the one end of terminal pad 34, which is arranged on, drives Moving-coil 3 is away from the one end of fast pulley 2;As shown in figure 12, the one end of connection ring 12 is circumferentially uniform is provided with 3 narrow slots 32;Connection ring 12 Open and be provided with internal thread on the side inner headed face of narrow slot 32;One end that connection ring 12 keeps away narrow slot 32 is arranged in terminal pad 34;Such as Fig. 3, shown in 4,3 governor motions 4 are installed on the end face of terminal pad 34, and 3 governor motions 4 are matched somebody with somebody with corresponding narrow slot 32 Close;External screw thread is provided with the triggering side periphery of cylinder 6, and external screw thread does not output triggering cylinder 6 end face;As shown in Figure 10,11, triggering It is circumferentially uniform on 6 end faces of cylinder to be provided with 3 square grooves 30;And 3 square grooves 30 coordinate with corresponding narrow slot 32;Trigger the evolution groove of cylinder 6 30 it is circumferentially uniform on inner headed face successively be provided with 3 chutes 29, and chute 29 coordinates with corresponding square groove 30;As shown in Figure 1, 2, Triggering cylinder 6 passes through the screw-internal thread fit installation opened in screw thread and connection ring 12 over institute thereon;The one end of support ring 31 is arranged on Cylinder 6 is triggered away from the end face of square groove 30;Two guide blocks 39 are symmetrically mounted on the periphery of support ring 31;As shown in Figure 1, 2, drive Cover and two non-through guide grooves 38 are symmetrically provided with 36 inner headed faces;As shown in Fig. 2 actuating sleeve 36 passes through guide groove 38 and guide block 39 Coordinate and be arranged in support ring 31;As shown in Fig. 2 return spring 37 is located in actuating sleeve 36, the one end of return spring 37 is arranged on On the end face of support ring 31, the other end is arranged on the inner face of actuating sleeve 36;As shown in Figure 1, 2, inner be arranged on of scroll spring 5 is touched Send out on cylinder 6, outer end is arranged in connection ring 12 by connection strap 14.
As shown in figure 13, above-mentioned governor motion 4 includes the first T-shaped plate 15, the first rack 16, first gear 17, support shaft 18th, L-shaped fixed plate 19, the second T-shaped plate 20, sliding block 21, the second rack 22, second gear 23, the first T-slot 33, the second T-slot 35, as shown in figure 13, wherein the one end of L-shaped fixed plate 19 is arranged on the end face of terminal pad 34;As shown in figure 13, support shaft 18 is installed On L-shaped fixed plate 19;As shown in figure 13, the both sides of support shaft 18 are provided with first gear 17 and second gear 23;First gear 17 diameters are 2 times of the diameter of second gear 23;As shown in figure 13, first gear 17 is located at L-shaped fixed plate 19 with second gear 23 Both sides;As shown in figure 13, first gear 17 passes square groove 30 and narrow slot 32;First rack 16 is provided with non-through first on side T-slot 33;As shown in figure 14, the one end of the first T-shaped plate 15 is arranged on L-shaped fixed plate 19;First rack 16 passes through the first T-slot 33 are slidably installed with the first T-shaped plate 15, and the first rack 16 engages with first gear 17, as shown in figure 13, the first rack 16 one end are fixedly mounted on the end face of the 3rd spacer ring 13;As shown in figure 13, the 2nd non-through T is provided with the side of the second rack 22 Shape groove 35;As shown in Figure 14,15, the second T-shaped plate 20 is arranged on the side of L-shaped fixed plate 19 by fixed block;As shown in figure 15, Two racks 22 are slidably installed by the second T-slot 35 and the second T-shaped plate 20;As shown in figure 17, the second rack 22 is away from Sliding block 21 is installed on the side of two T-shaped plates 20;Second rack 22 is slidably matched by the sliding block 21 installed thereon with chute 29 On triggering cylinder 6, and the second rack 22 engages with second gear 23.
As shown in figure 16, roughness is 12.5 on L1 distance ranges on the above-mentioned side periphery of output shaft 1, in L2 distances In the range of scribble wear-resisting tungsten carbide on periphery, roughness is 12.5 on L3 distance ranges.
The size requirement of square groove 30 is provided with above-mentioned triggering cylinder 6 is, support set can drive the triggering positive and negative rotation 15 of cylinder 6 Degree, without causing first gear 17 to interfere.
It is nested into one another as above-mentioned 3 the first scrollworks triggering spring 8, and three the first scrollworks trigger spring 8 Scrollwork direction identical alternative is that 4 the first scrollwork triggering springs 8 are nested into one another, and 4 the first scrollwork triggerings The scrollwork direction of spring 8 is identical.
Above-mentioned driving circle 3 is arranged on fast pulley 2 by bearing.
Above-mentioned fast pulley 2 is arranged on output shaft 1 by bearing.
In summary:
The effect that fast pulley 2 of the present invention is arranged on output shaft 1 is support driving circle 3;3 the first scrollwork triggering springs 8 are mutual Nest together, and the scrollwork direction identical effect of three the first scrollwork triggering springs 8 is can be triggered by the first scrollwork The scrollwork of spring 8 is acted on to drive output shaft 1 to rotate;3 one end of first ear shape flexure strip 27 are arranged on corresponding first whirlpool Effect on volume triggering spring 8 outer end is can to drive first ear shape flexure strip by the drive block 9 on driving circle 3 27 deformations, so that the first scrollwork triggering spring 8 deforms so that the first scrollwork triggering spring 8 can drive output shaft 1 to revolve Turn;3 the second scrollwork triggering springs 11 are nested into one another, and the scrollwork direction of 3 the second scrollwork triggering springs 11 is identical And effect in opposite direction is that the whirlpool of spring 11 can be triggered by the second scrollwork with the scrollwork of 3 the second scrollwork triggering springs 11 Volume is acted on to drive output shaft 1 to rotate, and the direction of rotation of spring 8 is triggered on the contrary, reaching driving in direction of rotation with the first scrollwork Circle 3 can be with the effect of bi-directional drive output shaft 1;Touched installed in corresponding second scrollwork 3 one end of the second ear shape flexure strip 28 Send out on the outer end of spring 11, and the effect that the second ear shape flexure strip 28 coordinates with first ear shape flexure strip 27 is can to pass through peace Drive block 9 on driving circle 3 drives the second ear shape flexure strip 28 to deform, so that the second scrollwork triggering spring 11 becomes Shape so that the second scrollwork triggering spring 11 can drive output shaft 1 to rotate;First spacer ring 7, the second spacer ring 10, the 3rd spacer ring 13 It is sequentially arranged on output shaft 1, and the second spacer ring 10 is located between the first scrollwork triggering spring 8 and second scrollwork triggering spring 11 Effect be to be on the one hand to the first scrollwork triggering spring 8 and the second scrollwork triggering spring 11 to keep apart, be on the other hand For the ease of the first spacer ring 7, the second spacer ring 10, the 3rd spacer ring 13 the first scrollwork triggering scrollwork of spring 8 and second can be driven to touch Hair spring 11 can be moved circumferentially along output shaft 1;3 the second contiguous blocks 25 are circumferentially uniform to be arranged on the side of the second spacer ring 10 On, and each second contiguous block 25 and the effect that corresponding first ear shape flexure strip 27 coordinates be easy for connecting the first spacer ring 7, Second spacer ring 10, the 3rd spacer ring 13;The effect that driving 3 inner headed faces of circle are arranged on fast pulley 2 is by the motion biography of terminal pad 34 It is delivered on drive block 9;3 drive blocks 9 are circumferentially uniform to be arranged on driving 3 inner headed faces of circle, and two adjacent drive blocks 9 In first ear shape flexure strip 27 and the second ear shape flexure strip 28 between effect be to the second ear shape flexure strip 28 Or 27 1 deformation forces of first ear shape flexure strip, so that the first scrollwork triggering spring 8 and second scrollwork triggering spring 11 deformations, have the function that drive block 9 drives output shaft 1;The one end of terminal pad 34 is arranged on driving circle 3 away from the one end of fast pulley 2 Effect be that governor motion 4 and connection ring 12 is fixedly mounted;The circumferentially uniform effect for being provided with 3 narrow slots 32 in the one end of connection ring 12 It is easy for first gear 17 to stretch out, prevents from connection ring 12 interfering in the rotary course of first gear 17;3 governor motions 4 are pacified On the end face of terminal pad 34, and 3 governor motions 4 are regulation the first scrollwork triggering bullets with the effect that corresponding narrow slot 32 coordinates The scrollwork of spring 8 and second triggering spring 11 contacts with the tungsten carbide applied on output shaft 1, so as to reach raising double rolling key clutch The effect in life-span;Be provided with external screw thread on the triggering side periphery of cylinder 6, and external screw thread do not output triggering cylinder 6 end face effect be with The screw-internal thread fit opened in connection ring 12, and also to prevent that trigger cylinder 6 is mutually disengaged with connection ring 12;Trigger the end of cylinder 6 It is circumferentially uniform on face to be provided with 3 square grooves 30;And 3 square grooves 30 are easy for triggering cylinder 6 with the effect that corresponding narrow slot 32 coordinates 15 degree of own axes positive and negative rotation can be surrounded;The evolution groove 30 of cylinder 6 is circumferentially uniform on inner headed face successively is provided with 3 chutes for triggering 29, and chute 29 with the effect that corresponding square groove 30 coordinates is worked as in the triggering rotary course of cylinder 6, will not to pacify by sliding block 21 Second rack 22 rotates on triggering cylinder 6;The one end of support ring 31 is arranged on triggering cylinder 6 Motion on actuating sleeve 36 is passed into triggering cylinder 6;Actuating sleeve 36 is by the guide groove 38 opened thereon and is arranged on support ring 31 On guide block 39 cooperation be arranged on support ring 31 on;Return spring 37 is located in actuating sleeve 36, the installation of the one end of return spring 37 On the end face of support ring 31, the effect that the other end is arranged on the inner face of actuating sleeve 36 is to give support ring 31 1 recovery masterpieces With;Scroll spring 5 is inner to be arranged on triggering cylinder 6, and the effect that outer end is arranged in connection ring 12 by connection strap 14 is easy for Triggering cylinder 6 returns to original position.
In the present invention effect of governor motion 4 be the first scrollwork of regulation triggering spring 8 and second scrollwork triggering spring 11 with The tungsten carbide contact applied on output shaft 1, so as to reach the effect for improving the double rolling key clutch life-span;L-shaped fixed plate 19 1 The effect that end is arranged on the end face of terminal pad 34 is easy for installing support shaft 18, the first T-shaped plate 15, the second T-shaped plate 20;Support shaft 18 effects being arranged on L-shaped fixed plate 19 are support first gear 17 and second gear 23;The diameter of first gear 17 is second 2 times of effects of the diameter of gear 23 are that, when actuating sleeve 36 rotates, the actuating sleeve 36 of rotation will drive support ring 31 to rotate, rotation The support ring 31 turned will drive triggering cylinder 6 to rotate, due to loaded effect on driving circle 3 now, so that driving Circle 3 does not rotate, and terminal pad 34 will not also rotate with connection ring 12;Will in the presence of the external screw thread that triggering cylinder 6 is opened thereon It can be axially moved in rotary course along itself;The edge of the second rack 22 mounted thereto will be driven in the triggering motion process of cylinder 6 Second T-shaped plate 20 is moved;Second rack 22 of motion will drive second gear 23 to move;Second gear 23 will drive support Axle 18 moves;Support shaft 18 will drive first gear 17 to move, and first gear 17 will drive the first rack 16 along the first T-shaped Plate 15 moves;First rack 16 will drive the 3rd partition movement, and the 3rd dividing plate will drive second by the 3rd contiguous block 26 Partition movement, second partition by the second contiguous block 25 drive first partition move so that the first scrollwork triggering spring 8 with Second scrollwork triggering spring 11 moves along the axis direction of output shaft 1;In the process, when the second rack 22 motion L apart from when, the Two gears 23 will rotate N circles, and first gear 17 will rotate N circles, and the first rack 16 will move 2L distances, so that the One scrollwork triggering spring 8 and second scrollwork triggering spring 11 can be moved to fixed position;First rack 16 is provided with side The effect of the first non-through T-slot 33 is coordinated with the first T-shaped plate 15;Second rack 22 is provided with non-through second on side The effect of T-slot 35 is coordinated with the second T-shaped plate 20;Roughness is on L1 distance ranges on the side periphery of output shaft 1 12.5, effect be easy for the first scrollwork triggering spring 8 and the second scrollwork and trigger spring 11 sliding;In L2 distance range inside and outside circles The effect of wear-resisting tungsten carbide is scribbled on face is, strengthens the wearability of output shaft 1, when the first scrollwork triggering spring 8 and second whirlpool , can be longer with the working time when volume triggering spring 11 rubs with output shaft 1, extend the double rolling key clutch life-span so as to reach Effect, the effect that roughness is 12.5 on L3 distance ranges are easy for the first scrollwork and trigger the scrollwork of spring 8 and second triggering bullet Spring 11 slides.
Embodiment is, when output shaft 1 rotates, due to the first scrollwork triggering spring 8 and second scrollwork triggering bullet Between spring 11 and output shaft 1 only can contact will not driving force, so output shaft 1 will not drive driving circle 3, terminal pad 34, even Connect ring 12, triggering cylinder 6, support ring 31, actuating sleeve 36 to move, so as to reach the mesh that output shaft 1 will not drive actuating sleeve 36 to move 's;As illustrated in fig 16 a, when actuating sleeve 36 rotates, and when the driving force of rotation is smaller, the actuating sleeve 36 of rotation will be successively Drive support ring 31, triggering cylinder 6, connection ring 12, terminal pad 34, driving circle 3, drive block 9, first ear shape shape flexure strip and the Two ear shape shape flexure strips, the first scrollwork triggering spring 8 and second scrollwork triggering spring 11, output shaft 1 move;Driven so as to reach Dynamic set 36 drives the purpose that output shaft 1 rotates;Because the driving force that actuating sleeve 36 now is subject to is smaller, so triggering now The internal thread that cylinder 6 will not be opened along in connection ring 12 moves, so that the rotation sensitivity of double rolling key clutch is big Big lifting;As shown in figure 16 c, when actuating sleeve 36 rotates, so as to which rotate counterclockwise is seen in the direction of actuating sleeve 36, and when the drive of rotation When power is larger, the actuating sleeve 36 of rotation will drive support ring 31, triggering cylinder 6, the second rack 22 successively to close to actuating sleeve The motion of 36 directions, second gear 23, support shaft 18, first gear 17, the first rack 16 will be transported to away from the direction of actuating sleeve 36 Dynamic, the 3rd dividing plate, second partition, first partition, the second scrollwork triggering spring 11 and first scrollwork triggering spring 8 will be to remote The direction of actuating sleeve 36 is moved, so that the second scrollwork triggering spring 11 is located at the L2 opening positions for scribbling tungsten carbide, while now Triggering cylinder 6 on external screw thread will also rotate, triggering cylinder 6 now will drive connection ring 12, terminal pad 34, driving successively Circle 3, drive block 9, first ear shape shape flexure strip and the second ear shape shape flexure strip, the first scrollwork triggering spring 8 and second whirlpool Pressure effect is there are between volume triggering spring 11, the second scrollwork triggering spring 11 and output shaft 1 now, so the second scrollwork Triggering spring 11 will drive the rotate counterclockwise of output shaft 1;So as to reach the purpose that actuating sleeve 36 drives output shaft 1 to rotate;By The driving force that actuating sleeve 36 in now is subject to is larger, and the rotation sensitivity of double rolling key clutch is lowered significantly, but the Two scrollworks triggering spring 11 is located at L2 opening positions, so that the service life of output shaft 1 lifting of double rolling key clutch;Such as figure Shown in 16b, when actuating sleeve 36 rotates, so that the direction of actuating sleeve 36 is seen and turned clockwise, and when the driving force of rotation is larger, The actuating sleeve 36 of rotation will drive successively support ring 31, triggering cylinder 6, the second rack 22 to move close to the direction of actuating sleeve 36, Second gear 23, support shaft 18, first gear 17, the first rack 16 will to move close to the direction of actuating sleeve 36, the 3rd dividing plate, Second partition, first partition, the second scrollwork triggering spring 11 and first scrollwork triggering spring 8 will be to close to the directions of actuating sleeve 36 Motion, so that the first scrollwork triggering spring 8 is located at the L2 opening positions for scribbling tungsten carbide, while on triggering cylinder 6 now External screw thread will also rotate, triggering cylinder 6 now will drive successively connection ring 12, terminal pad 34, driving circle 3, drive block 9, First ear shape shape flexure strip and the second ear shape shape flexure strip, the first scrollwork triggering spring 8 and second scrollwork triggering spring 11, Pressure effect is there are between the first scrollwork triggering spring 8 and output shaft 1 now, so the first scrollwork triggering spring 8 will Output shaft 1 is driven to turn clockwise;So as to reach the purpose that actuating sleeve 36 drives output shaft 1 to rotate;Due to actuating sleeve now 36 driving forces being subject to are larger, and the rotation sensitivity of double rolling key clutch is lowered significantly, but the first scrollwork triggering spring 8 Positioned at L2 opening positions, so that the service life of output shaft 1 lifting of double rolling key clutch.

Claims (7)

  1. A kind of 1. double rolling key clutch that shared bicycle uses, it is characterised in that:It includes output shaft, fast pulley.
  2. 2. the double rolling key clutch that a kind of shared bicycle according to claim 1 uses, it is characterised in that:Also wrap Included driving circle, governor motion, scroll spring, triggering cylinder, first every, the first scrollwork trigger spring, drive block, the second spacer ring, Second scrollwork triggering spring, connection ring, the 3rd spacer ring, connection strap, the first contiguous block, the second contiguous block, the 3rd contiguous block, first Ear shape flexure strip, the second ear shape flexure strip, chute, square groove, support ring, narrow slot, terminal pad, actuating sleeve, return spring, lead Groove, guide block, wherein fast pulley are arranged on output shaft;3 the first scrollwork triggering springs are nested into one another, and three first The scrollwork direction of scrollwork triggering spring is identical;3 the first scrollwork triggering springs are nested on output shaft;3 first ear shape bullets Property piece one end be arranged on corresponding first scrollwork triggering outer spring end on;3 the second scrollwork triggering springs are nested into one another, And the scrollwork direction of 3 the second scrollwork triggering springs is identical and in opposite direction with the scrollwork of 3 the second scrollwork triggering springs;3 Second scrollwork triggering spring is nested on output shaft;Touched installed in corresponding second scrollwork 3 second ear shape flexure strip one end Send out on outer spring end, and the second ear shape flexure strip coordinates with first ear shape flexure strip;First spacer ring, the second spacer ring, the 3rd Spacer ring is sequentially arranged on output shaft, and the second spacer ring is located between the first scrollwork triggering spring and the second scrollwork triggering spring; First spacer ring is located at the first scrollwork triggering spring side;3rd spacer ring is located at the second scrollwork triggering spring side;3 second connections Block is circumferentially uniform to be arranged on the second spacer ring side, and each second contiguous block is matched somebody with somebody with corresponding first ear shape flexure strip Close;First spacer ring is connected with the second contiguous block by the first contiguous block;3rd spacer ring and the second contiguous block pass through the 3rd contiguous block It is connected;Driving circle inner headed face is arranged on fast pulley;3 drive blocks are circumferentially uniform to be arranged on driving circle inner headed face, and two First ear shape flexure strip that individual adjacent drive block is located at and the second ear shape flexure strip between;Terminal pad one end is arranged on Driving circle is away from fast pulley one end;Connection ring one end is circumferentially uniform to be provided with 3 narrow slots;Connection ring is opened on the inner headed face of narrow slot side It is provided with internal thread;One end that connection ring keeps away narrow slot is arranged in terminal pad;3 governor motions are installed in connection side surface On, and 3 governor motions coordinate with corresponding narrow slot;External screw thread is provided with the periphery of triggering cylinder side, and external screw thread is not outputed Trigger cylinder end face;It is circumferentially uniform on triggering cylinder end face to be provided with 3 square grooves;And 3 square grooves coordinate with corresponding narrow slot;Trigger cylinder Evolution groove is circumferentially uniform on inner headed face successively to be provided with 3 chutes, and chute coordinates with corresponding square groove;Triggering cylinder passes through thereon Over the screw-internal thread fit opened in screw thread and connection ring install;Support ring one end is arranged on triggering cylinder away from square groove end face On;Two guide blocks are symmetrically mounted on support ring periphery;Two non-through guide grooves are symmetrically provided with actuating sleeve inner headed face;Drive Dynamic set is arranged in support ring by the cooperation of guide groove and guide block;Return spring is located in actuating sleeve, the installation of return spring one end On support ring end face, the other end is arranged on actuating sleeve inner face;Scroll spring is inner to be arranged on triggering cylinder, and outer end passes through Connection strap is arranged in connection ring;
    Above-mentioned governor motion includes the first T-shaped plate, the first rack, first gear, support shaft, L-shaped fixed plate, the second T-shaped plate, cunning Block, the second rack, second gear, the first T-slot, the second T-slot, wherein L-shaped fixed plate one end are arranged in connection side surface; Support shaft is arranged on L-shaped fixed plate;Support shaft both sides are provided with first gear and second gear;First gear diameter is second 2 times of gear diameter;First gear is located at L-shaped fixed plate both sides with second gear;First gear passes square groove and narrow slot;First The first non-through T-slot is provided with rack side;First T-shaped plate one end is arranged on L-shaped fixed plate;First rack passes through One T-slot is slidably installed with the first T-shaped plate, and the first rack engages with first gear, and first rack one end is fixedly mounted On the 3rd spacer ring end face;The second non-through T-slot is provided with second rack side;Second T-shaped plate is installed by fixed block On L-shaped fixed plate side;Second rack is slidably installed by the second T-slot and the second T-shaped plate;Second rack is away from second Sliding block is installed on the side of T-shaped plate;Second rack is coordinated by the sliding block installed thereon with slide is arranged on triggering cylinder On, and the second rack engages with second gear.
  3. 3. the double rolling key clutch that a kind of shared bicycle according to claim 1 uses, it is characterised in that:It is above-mentioned In L on the periphery of output shaft side1Roughness is 12.5 on distance range, in L2Scribbled inside and outside distance range on disc wear-resisting Tungsten carbide, in L3Roughness is 12.5 on distance range.
  4. 4. the double rolling key clutch that a kind of shared bicycle according to claim 1 uses, it is characterised in that:It is above-mentioned The size requirement of square groove is provided with triggering cylinder is, support set can drive 15 degree of triggering cylinder positive and negative rotation, without causing first Gear tooth interference.
  5. 5. the double rolling key clutch that a kind of shared bicycle according to claim 1 uses, it is characterised in that:As Above-mentioned 3 the first scrollworks triggering spring is nested into one another, and the scrollwork direction identical of three the first scrollwork triggering springs Alternative is that 4 the first scrollwork triggering springs are nested into one another, and the scrollwork direction of 4 the first scrollwork triggering springs It is identical.
  6. 6. the double rolling key clutch that a kind of shared bicycle according to claim 1 uses, it is characterised in that:It is above-mentioned Driving circle is arranged on fast pulley by bearing.
  7. 7. the double rolling key clutch that a kind of shared bicycle according to claim 1 uses, it is characterised in that:It is above-mentioned Fast pulley is arranged on output shaft by bearing.
CN201710838124.0A 2017-09-18 2017-09-18 The double rolling key clutch that a kind of shared bicycle uses Pending CN107676403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710838124.0A CN107676403A (en) 2017-09-18 2017-09-18 The double rolling key clutch that a kind of shared bicycle uses

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710838124.0A CN107676403A (en) 2017-09-18 2017-09-18 The double rolling key clutch that a kind of shared bicycle uses
PCT/CN2018/072941 WO2019052105A1 (en) 2017-09-18 2018-01-17 Bidirectional overrunning clutch for shared bike

Publications (1)

Publication Number Publication Date
CN107676403A true CN107676403A (en) 2018-02-09

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CN201710838124.0A Pending CN107676403A (en) 2017-09-18 2017-09-18 The double rolling key clutch that a kind of shared bicycle uses

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Country Link
CN (1) CN107676403A (en)
WO (1) WO2019052105A1 (en)

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CN1465870A (en) * 2002-07-07 2004-01-07 刘建平 Bidirectional controllable oversliding driving hub for motor vehicle
CN1685163A (en) * 2002-09-24 2005-10-19 西利雅德公司 Bi-directional overrunning clutch for a primary drive axle
CN102192253A (en) * 2011-05-09 2011-09-21 张晓舜 Bidirectional overrunning clutch
US20150314642A1 (en) * 2013-02-11 2015-11-05 Christianson Systems, Inc. Freewheel hub
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Application publication date: 20180209