CN207791034U - A kind of wheel hub braking lock, wheel hub braking system, hub unit - Google Patents

Abstract

This application discloses a kind of wheel hub braking locks, are mounted in hub for vehicle wheel, including braking maneuver mechanism and car locking arrestment mechanism, solve the problems, such as that lock is exposed and are easy outside by artificial destruction.Disclosed herein as well is a kind of wheel hub braking systems, solve the problems, such as lock it is exposed outside and be easy by artificial destruction while, skidding mechanism and car locking arrestment mechanism are integrated in braking maneuver mechanism, braking state is independent of each other with car locking state, the structure for greatly simplifiing bicycle, reduces manufacturing cost.Disclosed herein as well is a kind of hub units using above-mentioned wheel hub braking system.

Description

A kind of wheel hub braking lock, wheel hub braking system, hub unit

Technical field

This application involves wheel hub braking equipment manufacturing technology fields, are braked more particularly to a kind of wheel hub braking lock, wheel hub System, a kind of hub unit.

Background technology

In recent years, people can be in areas such as campus, subway station, bus station, residential block, shopping centre, common service areas Bicycle shared service is enjoyed in domain, the very big trip for facilitating people.Also, bicycle is run mainly by manpower, will not It pollutes the environment, meets the theory of modern's low-carbon trip.Therefore, because convenience and low-carbon environment-friendly, share voluntarily Vehicle has caused more and more people and has paid attention to.However, " shared " theory due to sharing bicycle, part quality are lower User can't treasure vehicle, or even actively destroy vehicle.Such as how external the lock of shared bicycle is onboard, groups of people will Lock takes vehicle into one's own possession after destroying.

It is easy outside by artificial destruction to solve the problems, such as that lock is exposed, currently, the big side mostly used built in lock Method solves, however the method built in most of locks leads to the complicated too fat to move of bicycle, increases manufacturing cost, therefore, The structure of reduced proper motion vehicle while how solution built in lock, reduction manufacturing cost have become those skilled in the art urgently Technical problem to be solved.

Utility model content

In order to solve the above technical problems, first of the utility model has been designed to provide a kind of wheel hub braking lock, solution Lock of having determined it is exposed outside and be easy by the problem of artificial destruction while, simplify the structure of bicycle, reduce and be manufactured into This；Second of the utility model is designed to provide a kind of wheel hub braking system, can equally solve the above problems；This practicality Novel third is designed to provide a kind of hub unit and a kind of bicycle, avoiding lock exposed while Avoid that gear is exposed to wreck outside.

The technical scheme that the utility model is provided is as follows：

A kind of wheel hub braking lock is mounted in hub for vehicle wheel, including braking maneuver machine and car locking arrestment mechanism, the system Dynamic actuating mechanism has the state contacted with car locking arrestment mechanism so that the rotation of the wheel hub stops, the braking maneuver machine Structure includes：Mounting bracket, the mounting bracket are socketed on the hub spindle of the wheel hub, and can be rotated around the hub spindle, And the mounting bracket can be clamped with the car locking arrestment mechanism；It is braked component, it is described to be braked component and the wheel hub It rotates integrally, there is braking surface；Brake component, the brake component and the hub spindle are coaxially disposed, and with institute Mounting bracket clamping is stated, and with the contact surface that can be contacted with the braking surface.

Preferably, described be braked on component is provided with empty avoiding space, it is described be braked component by locating part with it is described Wheel hub connect, the locating part pass through the empty avoiding space, and it is described be braked exist between component and the empty avoiding space between Gap.

Preferably, the quantity in the empty avoiding space is at least 2, and described be braked on component is evenly arranged in circumferential.

Preferably, the quantity in the empty avoiding space is at least 2, and described be braked on component is arranged in circumferentially-spaced.

Preferably, the component that is braked is annual disk, is provided on the annual disk and surrounds keeping away for the empty avoiding space Emptying aperture.

Preferably, the locating part is limited post.

Preferably, the emptiness avoiding hole is in the elliptical aperture for being bent extension along circumferential direction.

Preferably, the component that is braked is annual disk, and empty avoiding space described in semi-surrounding is provided on the annual disk Empty avoiding is open.

Preferably, further include spacing ring, the spacing ring be set to it is described be braked between component and the brake component, It described be braked component for limiting in the empty avoiding space and move radially range.

Preferably, the limit for being open in conjunction with the empty avoiding and surrounding the empty avoiding space is provided on the spacing ring to open Mouthful, the limit opening, which can limit, described to be braked component and moves radially position in the empty avoiding space.

Preferably, the spacing ring uses elastic material.

Preferably, the spacing ring is fixed on the wheel hub.

Preferably, further include spacing collar, the spacing collar be set to the wheel hub and it is described be braked between component, be used for It is braked component described in restriction and moves radially range in the empty avoiding space.

Preferably, the spacing collar uses elastic material.

Preferably, the brake component includes：Brake drum is provided on the peripheral surface of the brake drum circumferentially outer The cam part that diameter becomes larger；Multiple rollers, the roller are arranged in the cam part；Brake ring, the brake ring By the roll pressing between the brake ring and the brake drum；The roller can be by the rotation of the brake drum It rolls along the cam part and radially moves simultaneously.

Preferably, the brake component further includes limiting snap ring, and the roller limits snap ring setting and passed in the braking Between rotating ring and the brake drum, and the relatively described hub spindle does not rotate, and is provided on the restriction snap ring for limiting The opening card hole of the motion range of the roller.

Preferably, the roller is provided at circumferentially spaced in the restriction snap ring upper edge.

Preferably, the roller is uniformly arranged in the circumferential direction on the restriction snap ring.

Preferably, the car locking arrestment mechanism includes car locking action component and car locking clamping part, the car locking operating member Part is connect with the car locking clamping part, and the car locking clamping part, which has, in circumferential direction to be contacted with the mounting bracket Position, and the position that is detached in circumferential direction with the mounting bracket.

Preferably, the car locking action component includes car locking dynamic component and car locking driving member, and the car locking is driven structure Part is connect with the car locking clamping part, and the car locking dynamic component is connect with the car locking driving member, the car locking power Component can drive the car locking driving member that the car locking clamping part is driven to be rotated around the hub spindle.

Preferably, the car locking action component further includes the first electrical mounting base, for installing the car locking dynamic component, It is provided with the first electrical cable-through hole in the first electrical mounting base.

Preferably, the car locking driving member includes the driving tooth wheel disc being connect with car locking dynamic component, and setting exists The eccentric gearing bar being connect on the driving tooth wheel disc and with the car locking clamping part.

Preferably, the car locking driving member further includes the driven tooth wheel disc engaged with the driving tooth wheel disc, described inclined The setting of heart drive link is connect on the driven tooth wheel disc, and with the car locking clamping part.

Preferably, the eccentric gearing bar is spring buffer bar.

Preferably, the driven tooth wheel disc is equipped with limitation locking component, and the limitation locking component is described for limiting The range of eccentric gearing bar movement.

Preferably, the limitation locking component includes for controlling the car locking dynamic component operation or control out of service Product sends inductive signal to the car locking induction pieces of the control piece, and the triggering car locking induction pieces and sends inductive signal Car locking trigger member, wherein the car locking induction pieces and the control piece are electrically connected.

Preferably, the car locking trigger member includes the first positioning disk being coaxially fixedly installed with the driven tooth wheel disc, if In the first locating piece and the second locating piece on first positioning disk, the car locking induction pieces can pass through first positioning disk Rotation and touch first locating piece or second locating piece.

Preferably, the car locking trigger member includes the second positioning disk being coaxially fixedly installed with the driven tooth wheel disc, if Magnetic patch on second positioning disk, the car locking induction pieces are hall sensing elements, and the hall sensing element can pass through The rotation of second positioning disk and touch the magnetic patch.

Preferably, the car locking trigger member includes the fan-shaped ring seat being coaxially fixedly installed with the driven tooth wheel disc, And the frizzen that can be touched with the longitudinal edge edge of the fan-shaped ring seat, the frizzen can pass through the fan-shaped ring seat It rotates and the car locking induction pieces is pushed to by the longitudinal edge edge of the fan-shaped ring seat, until touching the car locking induction pieces.

Preferably, be provided with bending section on the eccentric gearing bar, the bending section can inlay card in the fan-shaped ring seat.

A kind of wheel hub braking system is mounted in hub for vehicle wheel, including skidding mechanism and braking maneuver mechanism, Car locking arrestment mechanism, the braking maneuver mechanism, which has, to be contacted with skidding mechanism or car locking arrestment mechanism so that the wheel The state that the rotation of hub stops, the braking maneuver mechanism include：Mounting bracket, the mounting bracket are socketed in the wheel hub On hub spindle, and can be rotated around the hub spindle, and the mounting bracket can respectively with the skidding mechanism, described Car locking arrestment mechanism is clamped；It is braked component, the component that is braked is rotated integrally with the wheel hub, has braking surface；Braking Transmission parts, the brake component and the hub spindle are coaxially disposed, and are clamped with the mounting bracket, and with can be with The contact surface contacted with the braking surface.

Preferably, the skidding mechanism includes brake component and brake clamping part, the brake portion Part is connect with the brake clamping part, and the brake clamping part have contacted in circumferential direction with the mounting bracket Position, and the position that is detached in circumferential direction with the mounting bracket.

A kind of hub unit is mounted in hub for vehicle wheel, the wheel hub braking lock described in above-mentioned any one or the wheel Hub braking system, and the wheel hub speed change system with hub spindle coaxial arrangement.

Preferably, wheel hub speed change system includes：The power input mechanism being connect with the flywheel of the wheel；It is changeable described The power transmission mechanism of the input speed of power input mechanism；The power take-off mechanism being connect with the power transmission mechanism；

Wherein, the power transmission mechanism includes the power drive assem being arranged in the wheel hub, and setting is described dynamic Power driving module between power input mechanism and the power drive assem, and connect with the power take-off mechanism dynamic Power exports control assembly, and the power drive assem can be by driving the power driving module and the output control of engine power group Part contacts or separation, to change the output speed of the power take-off mechanism.

Preferably, the power driving module includes the rotary drive on the hub spindle of the wheel hub with turning set Seat, and can be with the rotation of the rotary drive seat and along the translation driving member of hub spindle axial movement, the translation Driving member has and the output control of engine power component touch or the position detached.

Preferably, the rotary drive seat includes the actuator being connect with the power drive assem, and setting is being driven On moving part and the gradually circumferentially changing cam part of height, and the cam part is slidably connected with the translation driving member.

Preferably, the cam part is connect with the actuator by the first spring, and the cam part can the relatively described drive Moving part is circumferentially rotatable.

Preferably, the power drive assem includes the first dynamic Control component with extraneous control switch electrical connection, And the first dynamic component with the first dynamic Control component electrical connection, first dynamic component can drive described dynamic Power transmission component and the output control of engine power component touch detach.

Preferably, the power drive assem further includes first gear disk, is provided on the actuator and described first First teeth portion of toothed disc engagement.

Preferably, the power drive assem further includes the second electrical mounting base, for installing second dynamic component, The second electrical cable-through hole is provided on the power drive assem.

Preferably, the power drive assem includes the location sensitive structure for incuding the rotary drive seat rotation angle Part, and with the location sensitive component electrical connection the second dynamic Control component, and with the second dynamic Control structure Second dynamic component of part electrical connection, second dynamic component can drive the power driving module and the power output Control assembly contacts or separation.

Preferably, the power drive assem further includes second gear disk, is provided on the actuator and described second Second teeth portion of toothed disc engagement.

Preferably, the power drive assem further includes the electrical mounting base of third, for installing the third dynamic component, The electrical cable-through hole of third is provided on the power drive assem.

Preferably, the location sensitive component includes 2 piece of first magnetic patch being arranged on the rotary drive seat, Yi Jiyong In the first hall sensing part for incuding first magnetic patch and being arranged in the electrical mounting base.

Preferably, the drawstring seat that the power drive assem is turning set on the hub spindle, the drawstring seat with The rotary drive seat coaxial rotating assembly.

Preferably, the output control of engine power component include with it is described translation driving member it is synchronouss move axially and with institute State the clutch of power input mechanism connection, can with the clutch separation or contact and output power to power take-off mechanism Pawl, and with the clutch separation or contact and the planetary gear train of power take-off mechanism can be outputted power to.

Preferably, the translation driving member is connected by the control set being sleeved on the hub spindle with the clutch It connects, and control set can be moved axially with the clutch synchronization.

Preferably, the ramp structure of control pawl pressure is provided on the clutch.

Preferably, the control, which is put on, is provided with second spring, and the one end of the second spring far from the control set is solid Surely it is assemblied on the hub spindle.

Preferably, the planetary gear train includes the sun gear being fixedly attached on the hub spindle, can pass through the power Output mechanism outputs power to the ring gear of the wheel hub, coordinates with the clutch on-off and can pass through the power output Mechanism outputs power to the planet carrier of the wheel hub, and the planet being arranged between the planet carrier and the ring gear Wheel.

Preferably, between the clutch and power input mechanism often combination transmission shape is formed by sliding castellated structure State.

Preferably, clutch cooperation is formed by jaw clutch structure between the clutch and planet carrier.

Preferably, the power take-off mechanism includes the first power for connecting with ring gear and coordinating with the wheel hub wall Output precision, the second power output component for connecting with the planet carrier and coordinating with the wheel hub wall.

Preferably, the first power output component is the first one-way clutch.

Preferably, the second power output component is the second one-way clutch.

Preferably, further include velocity measurement mechanisms for measuring hub rotation speed.

Preferably, the velocity measurement mechanisms include the second magnetic patch being arranged on the wheel hub, and the relatively described wheel hub group Second hall sensing part of part fixed setting.

Preferably, the clutch is provided with third spring with the control inner room, is driven for buffering the control set The action of the clutch movement.

A kind of bicycle, including the wheel hub braking lock described in above-mentioned any one or the wheel hub braking system.

A kind of wheel hub braking lock provided by the utility model includes braking maneuver mechanism and lock in hub for vehicle wheel Therefore vehicle arrestment mechanism solves the problems, such as that lock is exposed and is easy outside by artificial destruction.Also, car locking arrestment mechanism with The mounting bracket being socketed on the hub spindle of the wheel hub can be driven to be rotated around hub spindle after mounting bracket clamping, and then driven Brake component rotates, until the contact surface of brake component is contacted and is compressed on braking surface so that be braked portion The wheel hub that part rotates integrally stops rotating.When contact surface is detached with braking surface, wheel hub can rotate freely, and therefore, this practicality is new A kind of wheel hub braking lock that type provides solves the problems, such as that lock is exposed and is easy outside by artificial destruction.

The utility model additionally provides a kind of wheel hub braking system, can band after skidding mechanism and mounting bracket clamping The dynamic mounting bracket being socketed on the hub spindle of the wheel hub is rotated around hub spindle, and then drives the rotation of brake component, directly Contact surface to brake component is contacted and is compressed on braking surface so that is stopped with the wheel hub that component rotates integrally is braked Rotation, therefore, lock is exposed outside to be easy artificially to be broken a kind of wheel hub braking system provided by the utility model solving While bad problem, skidding mechanism and car locking arrestment mechanism are integrated in braking maneuver mechanism, braking state and lock Car state is independent of each other, and greatly simplifies the structure of bicycle, reduces manufacturing cost.

The utility model additionally provides a kind of hub unit, wherein power drive assem can provide power drive power biography Dynamic component is moved with respect to output control of engine power component so that driving power driving module and output control of engine power component touch or Separation, so that input speed is changed.Due to the power drive assem, power driving module and power of power transmission mechanism It exports control assembly to be mounted in wheel hub, therefore, avoids and exposed damaged outside by external impacts.

Description of the drawings

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments described in application, for those of ordinary skill in the art, without creative efforts, Other drawings may also be obtained based on these drawings.

The one of skidding mechanism, braking maneuver mechanism, car locking arrestment mechanism that Fig. 1 provides for the utility model embodiment The structural schematic diagram of kind embodiment；

Fig. 2 is the use schematic diagram for being braked component that the utility model embodiment provides；

Fig. 3 is the scheme of installation for being braked component that the utility model embodiment provides；

Fig. 4 is the structural schematic diagram for being braked component that the utility model embodiment provides；

Fig. 5 is the structural schematic diagram for the spacing ring for being braked component that the utility model embodiment provides；

Fig. 6 is the structural schematic diagram for the spacing collar for being braked component that the utility model embodiment provides；

Fig. 7 is the scheme of installation for the spacing collar for being braked component that the utility model embodiment provides；

Fig. 8 is the enlarged diagram in the portions A in Fig. 7.

Fig. 9 is the exploded view of Fig. 1；

Figure 10 is the structural schematic diagram for the brake drum that the utility model embodiment provides；

Figure 11 is a kind of structural schematic diagram of the mounting bracket for embodiment that the utility model embodiment provides；

Figure 12 is a kind of structural schematic diagram of the brake clamping part for embodiment that the utility model embodiment provides；

Figure 13 is a kind of structural schematic diagram of the car locking clamping part for embodiment that the utility model embodiment provides；

Figure 14 be the utility model embodiment provide skidding mechanism, braking maneuver mechanism, car locking arrestment mechanism Schematic diagram is used under normal condition；

Figure 15 be the utility model embodiment provide skidding mechanism, braking maneuver mechanism, car locking arrestment mechanism Schematic diagram is used under braking state；

Figure 16 be the utility model embodiment provide skidding mechanism, braking maneuver mechanism, car locking arrestment mechanism Schematic diagram is used under car locking state.

Figure 17 be the utility model embodiment provide skidding mechanism, braking maneuver mechanism, car locking arrestment mechanism The structural schematic diagram of another embodiment；

Figure 18 is the exploded view of Figure 14；

Figure 19 be the utility model embodiment provide skidding mechanism, braking maneuver mechanism, car locking arrestment mechanism Schematic diagram is used under the normal condition of another embodiment；

Figure 20 be the utility model embodiment provide skidding mechanism, braking maneuver mechanism, car locking arrestment mechanism Schematic diagram is used under the braking state of another embodiment；

Figure 21 be the utility model embodiment provide skidding mechanism, braking maneuver mechanism, car locking arrestment mechanism Schematic diagram is used under the car locking state of another embodiment.

Figure 22 is the elevation cross-sectional view for the braking maneuver mechanism that the utility model embodiment provides；

Figure 23 is the rear pseudosection for the braking maneuver mechanism that the utility model embodiment provides；

Figure 24 is the elevation cross-sectional view for the car locking action component that the utility model embodiment provides；

Figure 25 is the rear pseudosection for the car locking action component that the utility model embodiment provides；

A kind of embodiment for the car locking trigger member that Figure 26 provides for the utility model embodiment uses schematic diagram；

The another embodiment for the car locking trigger member that Figure 27 provides for the utility model embodiment uses schematic diagram；

Figure 28 is a kind of embodiment party for the car locking action component comprising eccentric gearing bar that the utility model embodiment provides Formula uses schematic diagram；

Figure 29 is that the another of the car locking action component comprising eccentric gearing bar that the utility model embodiment provides is implemented Mode uses schematic diagram；

Figure 30 is the structural schematic diagram for the first electrical mounting base that the utility model embodiment provides；

Figure 31 is a kind of structural schematic diagram for hub unit that the utility model embodiment provides；

Figure 32 is the structural schematic diagram for the wheel hub speed change system that the utility model embodiment provides；

Figure 33 is the structural representation of power driving module and output control of engine power component that the utility model embodiment provides Figure；

Figure 34 is the front view for the power driving module that the utility model embodiment provides；

Figure 35 is the rearview for the power driving module that the utility model embodiment provides；

Figure 36 is the exploded view for the power driving module that the utility model embodiment provides；

Figure 37 is the structural schematic diagram for the actuator that the utility model embodiment provides；

Figure 38 is the structural schematic diagram for the rotary drive seat that the utility model embodiment provides；

Figure 39 is that the section of power driving module and output control of engine power component that the utility model embodiment provides is illustrated Figure；

Figure 40 is the structural schematic diagram when wheel hub speed change system that the utility model embodiment provides is in low or first gear；

Figure 41 is that the state of the pawl when wheel hub speed change system that the utility model embodiment provides is in low or first gear is illustrated Figure；

Figure 42 is the structural schematic diagram when wheel hub speed change system that the utility model embodiment provides is in direct high；

Figure 43 is that the state of the pawl when wheel hub speed change system that the utility model embodiment provides is in direct high is illustrated Figure；

Figure 44 is the structural schematic diagram when wheel hub speed change system that the utility model embodiment provides is in speedup shelves；

Figure 45 is that the state of the pawl when wheel hub speed change system that the utility model embodiment provides is in speedup shelves is illustrated Figure；

Figure 46 is the another kind of power driving module and output control of engine power component that the utility model embodiment provides The diagrammatic cross-section of embodiment；

Figure 47 is the enlarged diagram at A in Figure 46；

Figure 48 is the enlarged diagram at B in Figure 47.

Specific implementation mode

In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common The every other embodiment that technical staff is obtained without making creative work should all belong to the application protection Range.

A kind of wheel hub braking lock that the utility model embodiment provides is mounted in hub for vehicle wheel 8, which is characterized in that packet Braking maneuver mechanism 1 and car locking arrestment mechanism 3 are included, braking maneuver mechanism 1, which has, to be contacted with car locking arrestment mechanism 3 so that taking turns The state that the rotation of hub 8 stops, braking maneuver mechanism 1 include：Mounting bracket 11, mounting bracket 11 are socketed in the wheel hub of wheel hub 8 It on axis, and can be rotated around hub spindle, and mounting bracket 11 can be clamped with car locking arrestment mechanism 3；It is braked component 12, is made Dynamic component 12 is rotated integrally with wheel hub 8, has braking surface；Brake component 13, brake component 13 and hub spindle are coaxial Setting, and be clamped with mounting bracket 11, and with the contact surface that can be contacted with braking surface.

As shown in Figure 1, a kind of wheel hub braking lock provided by the utility model, includes the braking in hub for vehicle wheel 8 Therefore actuating mechanism 1 and car locking arrestment mechanism 3 solve the problems, such as that lock is exposed and are easy outside by artificial destruction.Specifically , as illustrated in figures 11 and 13, mounting bracket 11 is provided with the first sleeve 11 ' of bracket bayonet 111, car locking arrestment mechanism 3 On be provided with car locking stopper 321, and car locking stopper 321 is arranged in bracket bayonet 111.Since the first sleeve 11 ' is socketed On the hub spindle of wheel hub 8, therefore, car locking arrestment mechanism 3 can be by driving the first sleeve 11 ' to be revolved around hub spindle around hub spindle Turn.Also, it is additionally provided with bracket stopper 112 on the first sleeve 11 ', the first drum bayonet is provided on brake component 13 1312, bracket stopper 112 is connected in the first drum bayonet 1312, then makes the first sleeve 11 ' is rotated around hub spindle can band Dynamic brake component 13 rotates, until the contact surface of brake component 13 is contacted and is compressed on braking surface so that made Dynamic component 12 stops rotating, and then wheel hub 8 stops rotating, and realizes car locking.When contact surface is detached with braking surface, wheel hub 8 can be with It rotates freely.Therefore, a kind of wheel hub braking lock provided by the utility model solve lock it is exposed outside and be easy artificially broken Bad problem.

Wherein, as shown in figs. 16 and 18, mounting bracket 11 can also be the lantern ring 10 for being provided with bracket protrusion 111 ", car locking It is provided with car locking impeller 321 " on arrestment mechanism 3, and car locking impeller 321 " setting can contacted with bracket protrusion 111 " In plane.Also, 10 inside of lantern ring is provided with 10 stopper of lantern ring, and the second drum bayonet is provided on brake component 13, is covered 10 stopper of ring is connected in the second drum bayonet, then brake component 13 can be driven to revolve so that lantern ring 10 is rotated around hub spindle Turn, until the contact surface of brake component 13 is contacted and is compressed on braking surface so that it is braked component 12 and stops rotating, into And wheel hub 8 stops rotating, and realizes car locking.When contact surface is detached with braking surface, wheel hub 8 can rotate freely.Therefore, this reality It solves the problems, such as that lock is exposed with a kind of wheel hub braking lock of novel offer to be easy by artificial destruction outside.

Wherein, it is braked on component 12 and is provided with empty avoiding space 121, be braked component 12 and pass through locating part 122 and wheel hub 8 Connection, locating part 122 pass through empty avoiding space 121, and locating part 122 and are braked between component 12 that there are gaps.

Specifically, as shown in Figures 2 to 5, locating part 122 passes through empty avoiding space 121 that will be braked component 12 and is limited in wheel It is rotated synchronously with wheel hub 8 on hub 8, the component 12 that is braked rotated synchronously with wheel hub 8 can be by the braking of brake component Face pressure system on the contact surface, and stops turning due to the effect of braking surface and the frictional force being braked between the contact surface of component 12 It is dynamic, and then stop operating with runner hub 8.Also, it locating part and is braked between component 12 that there are gaps, is braked component 12 and exists Before stopping operating, since inertia continues to rotate a distance forward, at this point, locating part 122 can be by being braked portion The braking of part 12 and move a distance along the rotation direction of wheel hub 8 in the range of empty avoiding space 121, until brake hub 8. Therefore, the setting in empty avoiding space 121 makes the rotation for being braked component 12 slow in advance, and then is realized under the drive of locating part again The braking of wheel hub 8 provides one section of buffer time so that the braking of wheel hub 8 is more for wheel hub 8 and the braking for being braked component 12 It mitigates.

Especially, when braking surface is arranged on spaced three pieces of brake blocks, three pieces of brake blocks can not be suppressed simultaneously On the contact surface, the brake block for causing first to suppress on the contact surface, which can not will in a short time be realized, is braked component 12 Braking, and be braked frictional force larger between component 12 and monolithic brake block and damage is first compressed on and is braked on component 12 Brake block.The setting in empty avoiding space 121 so that be braked the drive for the monolithic brake block that component 12 is formerly suppressed on the contact surface It is lower first to start to brake, until locating part 122 is with the braking for being braked component 12 and along wheel hub 8 in the range of empty avoiding space 121 Rotation direction move a distance, until brake hub 8.During locating part 122 is mobile in empty avoiding space 121, Three pieces of brake blocks will all be compressed on and be braked on component 12, therefore, when realizing that wheel hub 8 is braked, the stress of three pieces of brake blocks Uniformly, the adaptivity for also improving relative position between brake block and wheel hub 8 avoids the damage of brake block.

Wherein, the quantity in empty avoiding space 121 is at least 2, is braked on component 12 in circumferential be evenly arranged in.

Specifically, the quantity in empty avoiding space 121 is at least 2, it is correspondingly arranged finite place piece 122 with empty avoiding space 121, because This empty avoiding space 121 is arranged in pairs with locating part 122, and is braked on component 12 in circumferential be evenly arranged in so that is braked Component 12 and wheel hub 8 when being braked, the suffered frictional force from all directions evenly so that the system of wheel hub 8 It is dynamic more to stablize.

Wherein, the quantity in empty avoiding space 121 is at least 2, is braked on component 12 in circumferentially-spaced be arranged in.

Specifically, the quantity in empty avoiding space 121 is at least 2, it is correspondingly arranged finite place piece 122 with empty avoiding space 121, because This empty avoiding space 121 is arranged in pairs with locating part 122, and is braked on component 12 in circumferentially-spaced be arranged in so that is braked Component 12 can be braked simultaneously with wheel hub 8, save manufacturing cost.

Wherein, it is annual disk to be braked component 12, and the emptiness avoiding hole for surrounding empty avoiding space 121 is provided on annual disk.Specifically , locating part 122 passes through the emptiness avoiding hole on annual disk to be fixedly connected with wheel hub 8.Wherein, locating part 122 is limited post.

Specifically, limited post passes through the emptiness avoiding hole on annual disk to be fixedly connected with wheel hub 8, component 12 will be braked by, which playing, limits The restriction effect being scheduled on wheel hub 8.In other embodiments, limited post can be screw or convex block, can be according to the actual needs The type of locating part 122 is voluntarily set, as long as playing the restriction effect that will be braked component 12 and be limited on wheel hub 8, no It is only limitted to said program, details are not described herein.

Wherein, emptiness avoiding hole is in the elliptical aperture for being bent extension along circumferential direction.Specifically, being empty avoiding space in emptiness avoiding hole 121, in being bent in the elliptical aperture of extension along circumferential direction, the movement of locating part 122 radially is restricted, therefore Locating part 122 it is main it is opposite along circumferential direction be braked the movement of component 12, strengthen and be braked component 12 and when wheel hub 8 is braked Stability.

Wherein, it is annual disk to be braked component 12, and the empty avoiding opening in semi-surrounding empty avoiding space 121 is provided on annual disk 123.Specifically, empty avoiding opening 123 is disposed in an evenly spaced relation on annual disk inner ring, locating part 122 passes through empty avoiding opening 123 to fix It is arranged on wheel hub 8 so that be braked component 12 and be limited between locating part 122 and wheel hub 8.

Wherein, further include spacing ring 124, spacing ring 124, which is set to, to be braked between component 12 and brake component, for limiting Surely it is braked component 12 and moves radially range in empty avoiding space 121.

Specifically, the restriction of spacing ring 124 is braked component 12 and moves radially range in empty avoiding space 121, avoid It is braked 12 relativeatoeterahub 8 of component when braking to occur to relatively move on a large scale in radial directions, therefore, strengthens and is braked Stability when component 12 is braked with wheel hub 8.

Wherein, be provided on spacing ring 124 with empty avoiding opening 123 in conjunction with and surround the limit opening in empty avoiding space 121 125, limit opening 125, which can limit, to be braked component 12 and moves radially position in empty avoiding space 121.

Specifically, the space composition empty avoiding space 121 that limit opening 125 is surrounded with empty avoiding opening 123, by locating part 122 are limited between limit opening 125 and empty avoiding opening 123, and therefore, spacing ring 124, which can limit, is braked component 12 in empty avoiding Range is moved radially in space 121,12 relativeatoeterahub 8 of component is braked when avoiding braking, big model occurs in radial directions Therefore the relative movement enclosed further enhances the stability being braked when component 12 is braked with wheel hub 8.

Wherein, spacing ring 124 uses elastic material.

Specifically, due to the presence in empty avoiding space 121, when wheel hub 8 rotates, it is braked component 12 and produces relativeatoeterahub 8 It is raw to shake, and spacing ring 124 is made of rubber, the shaking to being braked component 12 plays cushioning effect, avoids and made Dynamic component 12 is impaired during shaking.

Wherein, spacing ring 124 is fixed on wheel hub 8.Specifically, spacing ring 124 is solid by multiple rubber columns 126 It is fixed to be arranged on wheel hub 8, it further limits and is braked component 12 and moves radially range in empty avoiding space 121, further Strengthen the stability being braked when component 12 is braked with wheel hub 8.

Wherein, further include spacing collar 9, spacing collar 9 is set to wheel hub 8 and is braked between component 12, is made for limiting Dynamic component 12 moves radially range in empty avoiding space 121.

Specifically, such as Fig. 6 to Fig. 8, fluted, close wheel hub 8 is set on the outer ring for the wheel hub 8 for being braked component 12 Be braked on the outer ring of component 12 and be also equipped with groove, a pair of of protrusion circle is correspondingly arranged on spacing collar 9 with two grooves, and A pair of of protrusion circle, which is respectively embedded into, to be arranged in two grooves, and 12 relativeatoeterahub 8 of component is braked when avoiding braking in radial side Relative movement on a large scale occurs upwards, therefore, strengthens the stability being braked when component 12 is braked with wheel hub 8.

Wherein, the spacing collar 9 uses elastic material.

Specifically, due to the presence in empty avoiding space 121, when wheel hub 8 rotates, it is braked component 12 and produces relativeatoeterahub 8 It is raw to shake, and spacing collar 9 is made of rubber, the shaking to being braked component 12 plays cushioning effect, avoids and be braked Component 12 is impaired during shaking.

Wherein, brake component 13 includes：Brake drum 131 is provided with circumferentially outer diameter on the peripheral surface of brake drum 131 The cam part 1311 become larger；Multiple rollers 132, roller 132 are arranged in cam part 1311；Brake ring 133, braking pass Roller 132 is compressed between brake ring 133 and brake drum 131 by rotating ring 133；Roller 132 can be turned by brake drum 131 It moves and rolls along cam part 1311 and radially move simultaneously.

Specifically, as shown in Fig. 6 and Figure 19 to Figure 20, the first drum bayonet 1312, bracket are provided on brake drum 131 Stopper 112 is connected in the first drum bayonet 1312, then so that mounting bracket 11 rotates around hub spindle and can drive brake drum 131 It is rotated around hub spindle.In brake drum 131 under the drive that hub spindle rotates, roller 132 can be rolled along cam part 1311, and simultaneously It is radially moved under the drive for the cam part 1311 that circumferentially outer diameter becomes larger, and then roller 132 can drive braking to pass Rotating ring 133 is moved towards component 12 is braked, until the contact surface of brake ring 133 is contacted and is compressed on and is braked component 12 Braking surface on so that be braked component 12 and stop rotating, and then wheel hub 8 stops rotating.When needing to run bicycle, will connect Contacting surface is detached with braking surface so that the rotation of wheel hub 8 can be followed and rotate by being braked component 12.

Wherein, brake component 13 further includes limiting snap ring 134, and roller 132 limits snap ring 134 and is arranged in brake Between ring 133 and brake drum 131, and relativeatoeterahub axis does not rotate, and limits and is provided on snap ring 134 for limiting roller 132 Motion range opening card hole 1341.

Specifically, as shown in fig. 7, limiting the multiple opening card holes being provided on snap ring 134 with the 132 mating setting of multiple rollers 1341, roller 132 can be rotated freely being open in card hole 1341, and be compressed on the inner peripheral surface and system of brake ring 133 Between the cam part 1311 of dynamic drum 131 so that roller 132 can be with rotation within the scope of finite motion and movement.Also, limit snap ring It is provided on 134 in the groove that convex block is connected on brake ring 133 so that limit snap ring 134 and brake ring 133 Relativeatoeterahub axis does not rotate so that contact of the contact surface with braking surface with detach more stablize, increase the stabilization of braking Property.

Wherein, roller 132 is provided at circumferentially spaced in restriction 134 upper edge of snap ring.

Specifically, the number of roller 132 is no less than 3, roller 132 respectively with the inner peripheral surface of brake ring 133 and braking The cam part 1311 of drum 131 contacts, and is arranged at intervals on and limits on snap ring 134, has saved the manufacturing cost of manufacturer, Ke Yi Industrially it is used widely.

Wherein, roller 132 is uniformly arranged in the circumferential direction on limiting snap ring 134.

Specifically, the number of roller 132 is 4 or 6 or 9, circumferentially uniform intervals are set on limiting snap ring 134 It sets.Since the interval angles between multiple rollers 132 are consistent so that the pressure for the roller 132 being subject to 133 each position of brake ring Power is consistent, so that the direction of the Simultaneous Stabilization in all directions of brake ring 133 is braked the expansion of component 12, until system The contact surface of dynamic transmission ring 133 is touched and is compressed on the braking surface for being braked component 12.Therefore, roller 132 is limiting snap ring It is uniformly arranged in the circumferential direction on 134, the braking process for being braked component 12 can be made more stable.

Wherein, car locking arrestment mechanism 3 includes car locking action component 31 and car locking clamping part 32, car locking action component 31 with Car locking clamping part 32 connects, and car locking clamping part 32 has the position contacted in circumferential direction with mounting bracket 11, and The position detached in circumferential direction with mounting bracket 11.

Wherein, as shown in Fig. 6 to Fig. 8 and Figure 10, mounting bracket 11 be the first sleeve 11 ' when, car locking action component 31 are arranged with car locking clamping part 32 in wheel hub 8, and car locking clamping part 32 is the car locking handle being socketed on hub spindle, car locking Car locking stopper 321 is provided on handle, car locking stopper 321 is arranged in the bracket bayonet 111 of the first sleeve 11 '.Car locking When, car locking action component 31 drives car locking handle to be rotated around hub spindle circumferential direction, and then drives the first sleeve 11 ' around hub spindle Circumferential direction rotate, and then drive brake drum 131 rotate, until brake component 13 contact surface touch and be compressed on by On the braking surface of brake component 12 so that be braked component 12 and stop rotating, and then wheel hub 8 stops rotating.When needs are run certainly When driving, car locking handle is rotated backward around hub spindle circumferential direction so that contact surface is detached with braking surface, so that by making Dynamic component 12 can follow the rotation of wheel hub 8 and rotate.

Specifically, the bayonet width along circumferential direction such as figure bracket bayonet 111 is more than brake stopper 221 and car locking card The width of stop member 321, the two sides in bracket bayonet 111 along circumferential direction are respectively that locking surface 113 conciliates locking face 114 so that are stopped When vehicle stopper 221 contacts with locking surface 113 and the first sleeve 11 ' is driven to be rotated around hub spindle, car locking stopper 321 and solution Locking face 114 cannot be in contact and detach；And car locking stopper 321 contacts with locking surface 113 and drives the first sleeve 11 ' around wheel When hub axle rotates, brake stopper 221 cannot be in contact with solution locking face 114 and be detached.

Wherein, as shown in Figure 14 to Figure 15, mounting bracket 11 can also be lantern ring 10, car locking action component 31 and car locking Clamping part 32 is arranged in wheel hub 8, and car locking clamping part 32 is the car locking handle being socketed on hub spindle, on car locking handle It is provided with car locking impeller 321 ", car locking impeller 321 " is arranged in the plane that can be contacted with bracket protrusion 111 ".Car locking When, car locking action component 31 drives car locking handle to be rotated around hub spindle circumferential direction, car locking impeller 321 " and bracket protrusion 111 " contact and lantern ring 10 are pushed to be rotated around hub spindle circumferential direction, and then brake drum 131 is driven to rotate, until brake portion The contact surface of part 13 is touched and is compressed on the braking surface for being braked component 12 so that and it is braked component 12 and stops rotating, into And wheel hub 8 stops rotating.When needing to run bicycle, car locking handle is rotated backward around hub spindle circumferential direction so that connect Contacting surface is detached with braking surface, so that the rotation of wheel hub 8 can be followed and rotate by being braked component 12.

Specifically, lantern ring 10 is additionally provided with the spring part for return, when car locking terminates and the recurrence of car locking impeller 321 " When position before to rotation, spring part can drive position of 10 automatic rotary of lantern ring to before being pushed by car locking impeller 321 " It sets.

Wherein, the bayonet of bracket bayonet 111 can radially be open, car locking stopper 321 and brake stopper 221 are arranged in bracket bayonet 111, and in the state of 8 normal operation of wheel hub, car locking stopper 321 and brake stopper 221 are all It is contacted with the locking surface 113 in bracket bayonet 111.In other embodiments, bracket card can be voluntarily set according to the actual needs The opening direction of mouth 111 opposite car locking stoppers 321 and brake stopper 221, is not limited only to said program, no longer superfluous herein It states.

Wherein, car locking action component 31 includes car locking dynamic component 311 and car locking driving member 312, car locking driving member 312 connect with car locking clamping part 32, and car locking dynamic component 311 is connect with car locking driving member 312, car locking dynamic component 311 It can drive car locking driving member 312 that car locking clamping part 32 is driven to be rotated around hub spindle.

Specifically, as shown in Figure 21 to Figure 22, car locking dynamic component 311 is motor, and motor provides power drive car locking and passes Dynamic component 312 drives car locking clamping part 32 to be rotated around hub spindle circumferential direction, final to stop rotating so that being braked component 12, And then wheel hub 8 stops rotating.When needing to run bicycle, motor provides power drive car locking driving member 312 and drives car locking Clamping part 32 is rotated backward around hub spindle circumferential direction, finally so that contact surface is detached with braking surface, so that being braked Component 12 can follow the rotation of wheel hub 8 and rotate.Motor can be electrically connected with the electric switch outside wheel hub 8, and user can It is exposed outside and easy by artificial destruction to further avoid lock for the operating that the motor inside wheel hub 8 is controlled outside wheel hub 8 The problem of, and unlocking and shut program that user is unlocked manually are reduced, further improve the experience sense of user.

Wherein, car locking action component further includes the first electrical mounting base 317, for installing car locking dynamic component, the first electricity The first electrical cable-through hole 3171 is provided in gas mounting base 317.

Specifically, as shown in figure 27, control piece is integrated circuit board, integrated circuit board and motor are overlapped the The two sides of one electrical mounting base 317, integrated circuit board are realized with motor by penetrating through the electric wire of the first electrical cable-through hole 3171 Electrical connection, and the first electrical cable-through hole 3171 recess is set in the first electrical mounting base 317.Therefore, the first electrical installation The integrated level of electric component on seat 317 is improved, and reduces the total occupied space of electric component.

Wherein, car locking driving member 312 includes the driving tooth wheel disc 313 being connect with car locking dynamic component 311, and setting The eccentric gearing bar 315 being connect on driving tooth wheel disc 313 and with car locking clamping part 32.

Wherein, car locking driving member 312 further includes the driven tooth wheel disc 314 engaged with driving tooth wheel disc 313, eccentric gearing The setting of bar 315 is connect on driven tooth wheel disc 314, and with car locking clamping part 32.

Specifically, car locking clamping part 32 is car locking handle, the core of the output shaft and driving tooth wheel disc 313 of motor is fixed Connection, motor can drive driving tooth wheel disc 313 to rotate, and then driven tooth wheel disc 314 is driven to rotate.Eccentric gearing bar 315 is arranged The position of deviation core on driven tooth wheel disc 314, and eccentric gearing bar 315 is connect with the handle of car locking handle, driven tooth Wheel disc 314 rotate when, the rotation of the location following driven tooth wheel disc 314 of eccentric gearing bar 315 and shift, to drive lock Cart handle rotation is rotated around hub spindle circumferential direction, and then mounting bracket 11 is driven to be rotated around hub spindle circumferential direction, is finally made Component 12 must be braked to stop rotating, and then wheel hub 8 stops rotating.When needing to run bicycle, motor can drive driving tooth Wheel disc 313 rotates backward, and then driven tooth wheel disc 314 is driven to rotate backward, and then drives car locking handle around hub spindle circumferential direction side To rotating backward so that contact surface is detached with braking surface, so that the rotation of wheel hub 8 can be followed and revolve by being braked component 12 Turn.Driven tooth wheel disc 314 is engaged with driving tooth wheel disc 313, increases the torque of the transmission of driving tooth wheel disc 313.

Wherein, eccentric gearing bar 315 is spring buffer bar.

Specifically, as shown in Figure 25 to Figure 26, the spring in spring buffer bar follows the rotation of driven tooth wheel disc 314 and sends out Raw elastic deformation first converts driven tooth wheel disc 314 for elastic potential energy the mechanical energy that spring buffer bar acts on, then will be elastic Potential energy is the mechanical energy for pulling the rotation of car locking handle.Compared with the eccentric gearing bar 315 of straight rod type, when avoiding car locking, Since car locking handle can not rotate at once, and driving tooth wheel disc 313 and the rotation of driven tooth wheel disc 314 is caused to occur temporarily Clamping stagnation, and influence the normal operation of motor, and spring buffer bar is set as that there is a phenomenon where clamping stagnations to provide the time of buffering.

Wherein, driven tooth wheel disc 314 is equipped with limitation locking component 316, and limitation locking component 316 is for limiting bias The range that drive link 315 moves.

Specifically, limitation locking component 316 can limit the range of the movement of eccentric gearing bar 315, and then lock can be limited The angular range that cart handle is rotated around hub spindle circumferential direction, and then define that car locking handle drives mounting bracket 11 around hub spindle The angular range of circumferential direction rotation, after the completion of avoiding car locking, motor continues to run with and causes the waste of electric energy.Wherein, it limits Position locking component 316 includes for controlling the operation of car locking dynamic component 311 or control piece 3161 out of service, sending induction Signal is to the car locking induction pieces 3162 of control piece 3161, and triggering car locking induction pieces 3162 send the car locking triggering of inductive signal Part, wherein car locking induction pieces 3162 are electrically connected with control piece 3161.

Specifically, after the angle that driven tooth wheel disc 314 rotates has reached the angle requirement of car locking completion, limitation locking structure The car locking trigger member triggering car locking induction pieces 3162 of part 316 so that car locking induction pieces 3162 send inductive signal to control piece 3161, control piece 3161 judges inductive signal after receiving inductive signal, and is sent a control signal to according to judgement result Motor, control motor are closed.Wherein, when motor opens rotating forward, car locking is carried out, motor is controlled later and closes, i.e., car locking terminates；Electricity It when machine is again turned on reversion, is unlocked, controls motor later and close, is i.e. unlock terminates.

More specifically, control piece 3161 is integrated circuit board.Wherein, car locking trigger member includes and driven tooth wheel disc 314 The first positioning disk 3166 being coaxially fixedly installed, the first locating piece 3167 and the second locating piece being set on the first positioning disk 3166 3168, it is fixed that car locking induction pieces 3162 can touch the first locating piece 3167 or second by the rotation of the first positioning disk 3166 Position part 3168.

Specifically, as shown in figure 23, follow the rotation of driven tooth wheel disc 314, the first positioning disk 3166 that will rotate synchronously, when When the first locating piece 3167 on first positioning disk 3166 touches car locking induction pieces 3162, car locking induction pieces 3162 send car locking Inductive signal in place to control piece 3161, control piece 3161 judges the inductive signal of car locking in place judgement result is Car locking closes motor in place, then the control signal of transmission closing motor to motor so that motor shuts down, and so far car locking is complete Finish；When the second locating piece 3168 on the first positioning disk 3166 touches car locking induction pieces 3162, car locking induction pieces 3162 are sent out Send the inductive signal of unlock in place to control piece 3161, control piece 3161 judges the inductive signal of unlock in place, judges As a result motor is closed in place for unlock, then the control signal of transmission closing motor to motor so that motor shuts down, so far Unlock finishes.

Wherein, car locking trigger member includes the second positioning disk 3166 ' being coaxially fixedly installed with driven tooth wheel disc, is set to the Magnetic patch 3167 ' on two positioning disks, car locking induction pieces are hall sensing elements, and hall sensing element can pass through the second positioning disk 3166 ' rotation and touch magnetic patch 3167 '.

Specifically, 3166 ' upper edge of the second positioning disk is circumferentially provided with locking magnetic patch 3167 ' and unlock magnetic patch 3167 ', work as lock When determining magnetic patch 3167 ' and going at hall sensing element, locking signal is reached integrated circuit board by hall sensing element, integrates electricity Road board determines and sends a control signal to motor, and control motor is out of service, terminates car locking；When unlock magnetic patch 3167 ' When to hall sensing element, locking signal is reached integrated circuit board by hall sensing element, and integrated circuit board, which is made, to be sentenced Determine and send a control signal to motor, control motor is out of service, terminates unlock, unlocks at this time successfully.

Wherein, car locking trigger member includes the fan-shaped ring seat 3164 being coaxially fixedly installed with driven tooth wheel disc 314, and can be with The longitudinal edge of fan-shaped ring seat 3164 can pass through the rotation of fan-shaped ring seat 3164 along the frizzen 3165 touched, frizzen 3165 And by the longitudinal edge of fan-shaped ring seat 3164 along car locking induction pieces 3162 are pushed to, until touching car locking induction pieces 3162.

Specifically, as shown in figure 24, follow the rotation of driven tooth wheel disc 314, fan-shaped ring seat 3164 that will rotate synchronously, when Longitudinal edge edge in fan-shaped ring seat 3164 touches frizzen 3165, and frizzen 3165 is made to pass through turning for fan-shaped ring seat 3164 It moves and car locking induction pieces 3162 is pushed to by the longitudinal edge of fan-shaped ring seat 3164 edge, until when touching car locking induction pieces 3162, car locking Induction pieces 3162 send the inductive signal of car locking in place to control piece 3161, inductive signal of the control piece 3161 to car locking in place Judged, judgement result closes motor in place for car locking, then the control signal of transmission closing motor to motor so that motor It shuts down, so far car locking or unlock finishes.

Wherein, be provided with bending section 3151 on eccentric gearing bar 315, bending section 3151 can inlay card in fan-shaped ring seat 3164 On.

Specifically, as shown in Figure 25 to Figure 26, it is coaxially arranged with annular groove in fan-shaped ring seat 3164 so that bending section 3151 can be with inlay card in groove.Before car locking, bending section 3151 is in the state detached with fan-shaped ring seat 3164.Carry out car locking When, fan-shaped ring seat 3164 follows the rotation of driven tooth wheel disc 314 that will rotate synchronously, and the location following of eccentric gearing bar 315 is driven The rotation of toothed disc 314 and shift, until the bending segment of eccentric gearing bar 315 is caught in annular groove.After the completion of car locking, Since the bending segment of eccentric gearing bar 315 is stuck in annular groove so that the position of 315 relative sector ring seat 3164 of eccentric gearing bar Fixation is set, external collision is avoided and makes 315 homing of eccentric gearing bar, and unlock is caused to fail.

A kind of wheel hub braking system 10 is mounted in hub for vehicle wheel 8, including skidding mechanism 2 and braking maneuver machine Structure 1, car locking arrestment mechanism 3, braking maneuver mechanism 1, which has, to be contacted with skidding mechanism 2 or car locking arrestment mechanism 3 so that taking turns The state that the rotation of hub 8 stops, braking maneuver mechanism 1 include：Mounting bracket 11, mounting bracket 11 are socketed in the wheel hub of wheel hub 8 It on axis, and can be rotated around hub spindle, and mounting bracket 11 can block with skidding mechanism 2, car locking arrestment mechanism 3 respectively It connects；It is braked component 12, component 12 is braked and is rotated integrally with wheel hub 8, there is braking surface；Brake component 13, braking pass Dynamic component 13 is coaxially disposed with hub spindle, and is clamped with mounting bracket 11, and with the contact surface that can be contacted with braking surface.

Specifically, as shown in Fig. 1 and Fig. 6, mounting bracket 11 is provided with the first sleeve 11 ' of bracket bayonet 111, It is provided with brake stopper 221 in skidding mechanism 2, car locking stopper 321, brake card are provided on car locking arrestment mechanism 3 Stop member 221 and car locking stopper 321 are all arranged in bracket bayonet 111.Since mounting bracket 11 is socketed in the wheel of wheel hub 8 In hub axle, therefore, skidding mechanism 2 or car locking arrestment mechanism 3 can be by driving the first sleeve 11 ' around hub spindle around hub spindle Rotation.Also, it is additionally provided with bracket stopper 112 on the first sleeve 11 ', the first drum bayonet is provided on brake component 13 1312, bracket stopper 112 is connected in the first drum bayonet 1312, then makes the first sleeve 11 ' is rotated around hub spindle can band Dynamic brake component 13 rotates, until the contact surface of brake component 13 is contacted and is compressed on braking surface so that made Dynamic component 12 stops rotating, and then wheel hub 8 stops rotating, and realizes brake or car locking.Therefore, a kind of wheel provided by the utility model Hub braking system 10 solve the problems, such as lock it is exposed outside and be easy by artificial destruction while, by skidding mechanism 2 It is integrated in braking maneuver mechanism 1 with car locking arrestment mechanism 3, and braking state is independent of each other with car locking state, greatly simplifies The structure of bicycle, reduces manufacturing cost.

More specifically, mounting bracket 11 can also be the lantern ring 10 for being provided with bracket protrusion 111 ", and is clamped with lantern ring And it is socketed in the second sleeve 10 ' on hub spindle, car locking impeller 321 ", skidding machine are provided on car locking arrestment mechanism 3 Brake impeller 221 " is provided on structure 3, and car locking impeller 321 " and the impeller 221 " that brakes all are arranged can be convex with bracket In the plane that portion 111 " contacts.Also, the inside of lantern ring 10 is provided with 10 stopper of lantern ring, and the is provided on brake component 13 Two drum bayonets, 10 stopper of lantern ring are connected in the second drum bayonet, then so that lantern ring 10 rotates around hub spindle and can drive braking Transmission parts 13 rotate, until the contact surface of brake component 13 is contacted and is compressed on braking surface so that be braked component 12 stop rotating, and then wheel hub 8 stops rotating, and realize car locking.When contact surface is detached with braking surface, wheel hub 8 can freely revolve Turn.Therefore, a kind of wheel hub braking lock provided by the utility model solves exposed easy the asking by artificial destruction outside of lock Topic.The utility model also provides a kind of bicycle, including wheel hub braking lock or wheel hub braking system 10.

Wherein, skidding mechanism 2 include brake component 21 with brake clamping part 22, brake component 21 with The clamping part 22 that brakes connects, and the clamping part 22 that brakes has the position contacted in circumferential direction with mounting bracket 11, with And the position detached in circumferential direction with mounting bracket 11.

Wherein, as shown in Fig. 7 to Figure 13, mounting bracket 11 is the first sleeve 11 ', and brake component 21 is provided in wheel Brake lever outside hub 8, and the handle orientations of brake lever are directed toward the radial direction of wheel hub 8, and handle is provided on brake lever Bayonet, the brake setting of clamping part 22 is in wheel hub 8 and is socketed on hub spindle, and handle is provided on the clamping part 22 that brakes Stopper and brake stopper 221, handle stopper are connected in handle bayonet, and brake stopper 221 is arranged in the first sleeve In 11 ' bracket bayonet 111.When brake, brake lever is rotated around hub spindle circumferential direction, and then drive brake clamping part 22 rotate around hub spindle circumferential direction, and then the first sleeve 11 ' is driven to be rotated around hub spindle circumferential direction, and then drive brake drum 131 rotations, until the contact surface of brake component 13 is contacted and is compressed on the braking surface for being braked component 12 so that made Dynamic component 12 stops rotating, and then wheel hub 8 stops rotating.When needing to run bicycle, by brake lever around hub spindle circumferential direction Direction rotates backward so that contact surface is detached with braking surface so that be braked component 12 can follow wheel hub 8 rotation and Rotation.

More specifically, as shown in FIG. 15 to 18, the bayonet width along circumferential direction of bracket bayonet 111 is more than brake and blocks The width of stop member 221 and car locking stopper 321, the two sides in bracket bayonet 111 along circumferential direction is respectively 113 He of locking surface Solve locking face 114 so that when brake stopper 221 contacts with locking surface 113 and the first sleeve 11 ' is driven to be rotated around hub spindle, lock Vehicle stopper 321 cannot be in contact with solution locking face 114 and be detached；And car locking stopper 321 contacts and band with locking surface 113 When dynamic first sleeve 11 ' is rotated around hub spindle, brake stopper 221 cannot be in contact with solution locking face 114 and be detached, therefore, Braking state can separate progress with car locking state, and be independent of each other, and improve the experience sense of shared bicycle user.

Wherein, mounting bracket 11 can also be that lantern ring 10, brake component 21 are provided in the brake hand outside wheel hub 8 Handle, and the handle orientations of brake lever are directed toward the radial direction of wheel hub 8, and brake impeller 221 " is provided on brake lever, is stopped Vehicle impeller 221 " is arranged in the plane that can be contacted with bracket protrusion 111 ".When brake, brake component driving brake hand Handle is rotated around hub spindle circumferential direction, and brake impeller 221 " contacts with bracket protrusion 111 " and pushes lantern ring 10 around hub spindle week It is rotated to direction, and then brake drum 131 is driven to rotate, until the contact surface of brake component 13 is touched and is compressed on and made On the braking surface of dynamic component 12 so that be braked component 12 and stop rotating, and then wheel hub 8 stops rotating.When needs are run voluntarily Che Shi rotates backward brake lever around hub spindle circumferential direction so that contact surface is detached with braking surface, so that being braked Component 12 can follow the rotation of wheel hub 8 and rotate.Also, car locking action component 31 is arranged with car locking clamping part 32 in wheel hub In 8, car locking clamping part 32 is the car locking handle being socketed on hub spindle, and car locking impeller 321 " is provided on car locking handle, Car locking impeller 321 " is arranged in the plane that can be contacted with bracket protrusion 111 ".When car locking, the driving lock of car locking action component 31 Cart handle is rotated around hub spindle circumferential direction, and car locking impeller 321 " contacts with bracket protrusion 111 " and pushes lantern ring 10 around wheel hub Axis circumferential direction rotates, and then brake drum 131 is driven to rotate.Car locking impeller 321 " is with brake impeller 221 " not same flat In face, it is independent of each other.Therefore, braking state can separate progress with car locking state, and be independent of each other, and improve and share voluntarily The experience sense of vehicle user.

Specifically, being provided with spring part on brake impeller 221 ", at the end of brake, spring part can drive brake to push Position before 221 " automatic rotary of part to promotion bracket protrusion 111 ".

The utility model also provides a kind of hub unit, as shown in figure 28, is mounted in hub for vehicle wheel 8, above-mentioned any one Wheel hub braking lock or wheel hub braking system 10, and with hub spindle coaxial arrangement 8 speed change system 20 of wheel hub.

Wherein, 8 speed change system 20 of wheel hub includes：The power input mechanism 4 being connect with the flywheel of wheel；Changeable power is defeated Enter the power transmission mechanism 5 of the input speed of mechanism 4；The power take-off mechanism 6 being connect with power transmission mechanism 5；

Wherein, power transmission mechanism 5 includes the power drive assem 51 being arranged in wheel hub 8, and setting inputs machine in power Power driving module 52 between structure 4 and power drive assem 51, and the output control of engine power that is connect with power take-off mechanism 6 Component 53, power drive assem 51 can be contacted or be detached with output control of engine power component 53 by driving power driving module 52, To change the output speed of power take-off mechanism 6.

Specifically, as shown in figure 29, power input mechanism 4 is mounted in the free wheel base on flywheel, and initial velocity is by flywheel Incoming free wheel base, then power transmission mechanism 5 is passed to by free wheel base, after speed changes via power transmission mechanism 5, by power output Mechanism 6 is exported to wheel hub 8.Wherein, power drive assem 51 can provide power drive power driving module 52 with respect to power output Control assembly 53 moves, so that driving power driving module 52 is contacted or is detached with output control of engine power component 53, so that Input speed is changed.Due to the power drive assem 51, power driving module 52 and power output control of power transmission mechanism 5 Component 53 processed is mounted in wheel hub 8, therefore, is avoided and exposed is damaged outside by external impacts.

Wherein, power driving module 52 includes the rotary drive seat 521 on the hub spindle of wheel hub 8 with turning set, with And driving member 522 can be translated with the rotation of rotary drive seat 521 and along the translation driving member 522 of hub spindle axial movement With the position for contacting or detaching with output control of engine power component 53.

Specifically, as shown in Figure 30 to 35, rotary drive seat 521 is under the driving of power drive assem 51 around hub spindle Rotation, translation driving member 522 move radially along hub spindle with the rotation of rotary drive seat 521, have in the process of moving The position for contacting and detaching with output control of engine power component, to realize the change of transmission speed.Rotary drive seat 521 and translation Ingenious connection between driving member 522, greatly reduces the installation space in wheel hub 8, improves space availability ratio.

Wherein, rotary drive seat 521 includes the actuator 5211 being connect with power drive assem 51, and setting is being driven On moving part 5211 and the gradually circumferentially changing cam chair 5212 of height, and cam chair 5212 is slided with translation driving member 522 Connection.

Specifically, actuator 5211 is annular tooth wheel disc, cam chair 5212 is provided on annular tooth wheel disc, and on edge The cam disc that the height of hub spindle axial direction gradually changes in an axial direction, translation driving member be along hub spindle axial direction elongation and The straight-bar that one end is contacted with cam disc.Annular tooth wheel disc, cam disc and straight-bar are tightly disposed in hub spindle near zone, The utilization rate in space is further improved, the integrated level of power driving module 52 is also further improved.

Wherein, cam chair 5212 is connect with actuator 5211 by the first spring 5213, and cam chair 5212 can opposite driving Part 5211 is circumferentially rotatable.

Specifically, cam disc is arranged in annular tooth wheel disc and is connect with annular tooth wheel disc by the first spring 5213, move Power drive component 51 connect with annular tooth wheel disc and annular toothed disc is driven rotate around hub spindle, and then annular tooth wheel disc pulling the One spring 5213 extends, until the elastically-deformable deformation quantity of the first spring 5213 starts drag cam disc synchronization after reaching maximum It is rotated around hub spindle, when avoiding the startup of power drive assem 51, due to the clamping stagnation between cam disc and straight-bar, and influences power The normal operation of drive component 51, and the first spring 5213 is set as that there is a phenomenon where clamping stagnations to provide the time of buffering.

Wherein, power drive assem 51 includes the first dynamic Control component with extraneous control switch electrical connection, and With the first dynamic component of the first dynamic Control component electrical connection, the first dynamic component can drive power driving module 52 and move Power exports the contact of control assembly 53 or separation.

Specifically, the first dynamic Control component is integrated circuit board, the first dynamic component is motor, the output shaft of motor It is connect with annular tooth wheel disc, integrated circuit board card is connect by electric wire with extraneous soft-touch control or wireless switching, and user can be Transmission range signal is inputted using soft-touch control or wireless switching outside wheel hub 8, transmission range signal is delivered to integrated circuit board After judged and send control signal to send to motor, control motor operation simultaneously drives annular toothed disc to be rotated around hub spindle, into And drive cam disc to rotate, and then drive straight-bar moved along hub spindle axial direction, and in moving process with power output control The contact of component 53 or separation processed.

Wherein, power drive assem 51 further includes first gear disk, is provided on actuator 5211 and is nibbled with first gear disk The first teeth portion closed.

Specifically, the output shaft of motor connect with first gear disk and first gear disk can be driven to rotate, due to the first tooth Wheel disc is engaged with annular tooth wheel disc, and therefore, first gear disk can be further driven to ring gear coiling hub spindle rotation, and then band Moving cam disk rotate, and then drive straight-bar moved along hub spindle axial direction, and in moving process with output control of engine power group Part 53 contacts or separation.The setting of first gear disk increases the output torque of motor output shaft, plays more laborsaving work With.

Wherein, power drive assem 51 further includes the second electrical mounting base, for installing the second dynamic component 513 ', power The second electrical cable-through hole is provided on drive component 51.

Specifically, integrated circuit board is overlapped with motor in the two sides of the second electrical mounting base, integrated circuit board With motor electrical connection is realized by penetrating through the electric wire of the second electrical cable-through hole.Therefore, the electrical part in the second electrical mounting base The integrated level of part is improved, and reduces the total occupied space of electric component.

Wherein, power drive assem 51 includes the location sensitive component for incuding 521 rotation angle of rotary drive seat 511 ', and with location sensitive component 511 ' be electrically connected the second dynamic Control component 512 ', and with the second dynamic Control The second dynamic component 513 ' that component 512 ' is electrically connected, the second dynamic component 513 ' can drive power driving module 52 and power Export the contact of control assembly 53 or separation.

Specifically, as shown in Figure 29 and Figure 36, the second dynamic Control component 512 ' is integrated circuit board, the second power Component 513 ' is motor, and location sensitive component 511 ' drives the angle of ring gear disc spins for induction machine, works as annular tooth After the angle to required angle for taking turns disc spins, angle signal is sent to integrated circuit board by location sensitive component 511 ', by collecting Motor is judged and sent a control signal at circuit-board card, and control motor is out of service.Therefore, location sensitive component 511 ' Setting, can allow hub unit realize self shifter.

Wherein, power drive assem 51 further includes second gear disk 514 ', is provided on actuator 5211 and second gear The second teeth portion 515 ' that disk 514 ' engages.

Specifically, the output shaft of motor connect with second gear disk 514 ' and second gear disk 514 ' can be driven to rotate, by It is engaged with annular tooth wheel disc in second gear disk 514 ', therefore, second gear disk 514 ' can be further driven to ring gear coiling Hub spindle rotates, and then drives cam disc rotation, and then straight-bar is driven to be moved along hub spindle axial direction, and in moving process It contacts or detaches with output control of engine power component 53.The setting of second gear disk 514 ', the output for increasing motor output shaft are turned round Square plays more laborsaving effect.

Wherein, power drive assem 51 further includes the electrical mounting base 517 ' of third, for installing third dynamic component, power The electrical cable-through hole of third is provided on drive component 51.

Specifically, integrated circuit board and motor are overlapped in the two sides of the electrical mounting base of third 517 ', integrated circuit Board realizes electrical connection with motor by penetrating through the electric wire of the electrical cable-through hole of third.Therefore, in the electrical mounting base of third 517 ' The integrated level of electric component be improved, reduce the total occupied space of electric component.

Wherein, location sensitive component 511 ' includes 2 piece of first magnetic patch 516 ' being arranged on rotary drive seat 521, and The first hall sensing part for incuding the first magnetic patch 516 ' and being arranged in electrical mounting base.

Specifically, annular tooth wheel disc last week to being provided with 2 piece of first magnetic patch 516 ', when one of first magnetic patch 516 ' turns To the induction zone of the first hall sensing part, the signal determining that the first hall sensing part is passed to integrated circuit board is one grade；When Another piece of the first magnetic patch 516 ' is gone in the induction zone of the first hall sensing original paper, and the first hall sensing original paper is passed to integrated circuit The signal determining of board is two grades；When 2 piece of first magnetic patch 516 ' is all by the first hall sensing original paper and neither in induction zone, The signal determining that first hall sensing original paper is passed to integrated circuit board is third gear.It in other embodiments, can be according to actual Relative position and quantity that the first hall sensing original paper and the first magnetic patch 516 ' are voluntarily set are needed, as long as playing accurate judgement The effect of gear, is not limited only to said program, and details are not described herein.

Wherein, power drive assem 51 is drawstring seat of the turning set on hub spindle, drawstring seat and rotary drive seat 521 Coaxial rotating assembles.

Specifically, pulling the rope in drawstring seat that drawstring seat can be made to be rotated around hub spindle by external force, due to drawstring seat It is assembled with 521 coaxial rotating of rotary drive seat, therefore, the rotation of drawstring seat can drive rotary drive seat 521 to rotate synchronously in turn. Therefore, the setting of drawstring seat can allow for hub unit realization and manually shift gears.

Wherein, output control of engine power component 53 includes axial movement synchronous with translation driving member 522 and defeated with power The clutch 531 for entering the connection of mechanism 4, can detach or contact and output power to the spine of power take-off mechanism 6 with clutch 531 Pawl 532, and the planetary gear train 533 of power take-off mechanism 6 can be detached or contacted and output power to clutch 531.

Specifically, the straight-bar in rotary drive seat 521 moves axially under the drive of cam disc along hub spindle, clutch is driven Device 531 is moved along hub spindle axial direction, and according to clutch 531 in the position of hub spindle axial direction, clutch 531 can be with Pawl 532 detaches or contact, can be rotated synchronously around hub spindle with pawl 532 when clutch 531 is clamped with pawl 532；According to Clutch 531 can detach or contact with planetary gear train 533 in the position of hub spindle axial direction, clutch 531, clutch 531 can drive planet carrier 5332 to rotate synchronously when being clamped with the planet carrier 5332 of planetary gear train 533.Therefore, pass through planetary gear train 533, the cooperation of pawl 532, thus it is possible to vary the output rotating speed of power take-off mechanism 6 is input to from power input mechanism 4.

Wherein, translation driving member 522 is connect by the control set 534 being sleeved on hub spindle with clutch 531, and is controlled System set 534 can axial movement synchronous with clutch 531.

Specifically, translation driving member 522 is straight-bar, it is provided with convex block on straight-bar, clamping is provided on control set 534 Mouthful, control set 534 is connected to by convex block in card interface to be connect with straight-bar, and is arranged between straight-bar and clutch 531, control Set 534 can be moved with the movement of straight-bar, and then clutch 531 is driven to be moved axially along hub spindle, and clutch 531 can cover It is connected on control set 534 and is circumferentially rotated around control set 534, avoid clutch 531 and directly connect with straight-bar, and make clutch Generate larger frictional force when 531 axial rotation between straight-bar, and long term wear straight-bar, and influence 521 He of rotary drive seat Operating between straight-bar.

Wherein, the ramp structure that control pawl 532 is depressed is provided on clutch 531.

Specifically, being equipped with circumferentially arranged ramp structure, the clutch of the side of ramp structure in the outer ring of clutch 531 531 outer diameter of device is more than the outer diameter of the other side, is connected, is respectively formed in the both sides of ramp structure low by ramp structure between each other Plane corresponds to larger 531 outer diameter of clutch and high plane, i.e., smaller 531 outer diameter of clutch, the ramp structure and spine Pawl 532 contacts, and controllable pawl 532 is depressed state from state transformation is bounced.

Wherein, second spring 535 is provided on control set 534, the one end of second spring 535 far from control set 534 is fixed It is assemblied on hub spindle.

Specifically, one end of second spring 535 is fixedly connected with control set 534, the other end passes through bearing relativeatoeterahub axis It is fixedly connected, second spring 535 is used for after control set 534 pulls clutch 531 to the left, and drive control set 534 returns to the right Position.

Wherein, planetary gear train 533 includes the sun gear 5333 being fixedly attached on hub spindle, can pass through power take-off mechanism 6 output power to the ring gear 5331 of wheel hub 8, with 531 clutch of clutch cooperation and can be by power take-off mechanism 6 by power It exports to the planet carrier 5332 of wheel hub 8, and the planetary gear 5334 being arranged between planet carrier 5332 and ring gear 5331.

Specifically, sun gear 5333 is fixedly attached on hub spindle, clutch 531 respectively can be with planet carrier 5332 and pawl 532 clutches coordinate, and power from power input mechanism 4 sets out, when clutch 531 and planet carrier 5332 are clamped, power via from Clutch 531 is transmitted to planet carrier 5332, then by the output of ring gear 5331 to power take-off mechanism 6；When clutch 531 and pawl When 532 clamping, power is transmitted to pawl 532 via clutch 531, then the output of the ring gear 5331 by being connect with pawl 532 is extremely Power take-off mechanism 6.

More specifically, the centre position of pawl 532 is rotatably arranged on by axis pin on ring gear 5331, outside pawl 532 Gemmule increment bounced by compression spring it is chimeric with the spine slot of 8 inner wall of wheel hub, formed single-direction transmission, inside then pass through ring gear 5331 with The outer diameter contact of clutch 531 will by leverage by the transformation between the high plane and low level face at ramp structure both ends The outside of pawl 532 is depressed, and ring gear 5331 and wheel hub 8 is made to detach.

Wherein, between clutch 531 and power input mechanism 4 often combination transmission shape is formed by sliding castellated structure State.

Specifically, power input mechanism 4 is free wheel base, one end of free wheel base and clutch 531 passes through the castellated knot of sliding Structure is slidably connected so that the incoming power of flywheel can be passed to clutch 531 all the time by free wheel base.

Wherein, clutch cooperation is formed by jaw clutch structure between clutch 531 and planet carrier 5332.

Specifically, straight-bar is moved to the left by controlling 534 drive clutch 531 of set along hub spindle, clutch 531 may make It is combined with the castellated structure between planet carrier 5332, straight-bar drives clutch 531 along hub spindle again by control set 534 It moves right, the castellated structure between clutch 531 and planet carrier 5332 may make to detach.

Wherein, power take-off mechanism 6 includes the first power output for connecting with ring gear 5331 and coordinating with 8 inner wall of wheel hub Component 61, the second power output component 62 for connecting with planet carrier 5332 and coordinating with 8 inner wall of wheel hub.

Wherein, the first power output component 61 is the first one-way clutch.

Wherein, the second power output component 62 is the second one-way clutch.

The present embodiment is described in detail below in conjunction with Figure 37 to Figure 42 in three speed of the present embodiment by taking three-speed internal speed variator as an example The gear drive state of speed changer.

When the low level of the cam surface of cam chair and straight-bar contact, control set 534 and clutch 531 are in second spring 535 Under the action of push to the right, be power discrete state between clutch 531 and planet carrier 5332 at this time, and clutch 531 The control of pawl 532 is depressed state, makes ring gear 5331 and wheel by the interior side contacts of the high plane and pawl 532 of ramp structure It is power discrete state between hub 8, power is entered by free wheel base at this time, and ring gear is transferred to by the first one-way clutch 5331, rotary power is passed to planetary gear train 533 and carries out deceleration transmission by ring gear 5331, then by planet carrier 5332 through second One-way clutch is exported to wheel hub 8, and with the vehicle wheel rotation that runner hub 8 connects, which is low or first gear, and power transmission line is as schemed Shown in arrow in 37, the state of pawl 532 is as shown at 38.

When the centre position of the cam surface of cam chair and straight-bar contact, cam chair by straight-bar push control set 534 to The planet carrier 5332 in left side is close, is still at this time discrete state between clutch 531 and planet carrier 5332, but in clutch During 531 are moved to the left, the outer ring of clutch 531 is with the position of 532 interior side contacts of pawl by high plane through ramp structure It is converted into low level face, the inside of pawl 532 loses the limitation of clutch 531, is bounced under the action of itself compression spring, ring gear It is transformed to unidirectional power drive state between 5331 and wheel hub 8, at this point, power is entered by free wheel base, is directly passed by pawl 532 It is handed to ring gear 5331 and is finally transferred to the output of wheel hub 8, it is direct gear, wheel to drive the vehicle wheel rotation being connect with wheel hub 8, the gear The rotating speed of hub 8 is more than the rotating speed of planet carrier 5332, and the second one-way clutch is exceeded, the arrow in power transmission line such as Figure 39 Shown, the state of pawl 532 is as shown in figure 40.

When a high position for the cam surface of cam chair is contacted with straight-bar, cam chair continue through straight-bar bar push control cover 534 to The planet carrier 5332 in left side is close, bonding state will be transformed between clutch 531 and planet carrier 5332, at this time pawl 532 Inside keeps contacting with the low level face of 531 outer ring of clutch, and state is transmitted for unidirectional power between ring gear 5331 and wheel hub 8, At this point, power is entered by free wheel base, planet carrier 5332 is transferred to by clutch 531, rotary power is passed to by planet carrier 5332 Planetary gear train 533 carries out step-up drive, is then exported to wheel hub 8 by pawl 532 by ring gear 5331, is connected with runner hub 8 Vehicle wheel rotation, the gear keep off for speedup, and the rotating speed of wheel hub 8 and ring gear 5331 is more than the rotating speed of free wheel base, the first one-way clutch Device is exceeded, and for power transmission line as shown in the arrow in Figure 41, the state of pawl 532 is still as shown in figure 42.

Wherein, further include velocity measurement mechanisms 7 for measuring 8 rotating speed of wheel hub.

Specifically, being provided with velocity measurement mechanisms 7 on hub unit, can be used for measuring being turn-taked within the unit interval of wheel hub 8 Number, and then obtain the travel speed of wheel.

More specifically, velocity measurement mechanisms 7 are connect with integrated circuit board, can real time speed information be passed to integrated circuit board Card, the integrated circuit board clamping collection of letters is judged after ceasing and sends control information to motor, controls the rotation time of motor, in turn The rotation angle of rotary drive seat 521 is controlled, and then realizes the auto-changing of gear.

Wherein, velocity measurement mechanisms 7 include the second magnetic patch being arranged on wheel hub 8 and the fixed setting of relativeatoeterahub component Second hall sensing part.

Specifically, the second hall sensing part is arranged on the bearing being fixedly installed with hub spindle, the fixed setting of the second magnetic patch On wheel hub 8, the second magnetic patch follows the rotation of wheel hub 8 and rotates, when the second magnetic patch passes through the induction zone of the second hall sensing part When, the number of turns recorded is a circle.

Wherein, clutch 531 and control set 534 between be provided with third spring 536, for cushioning control set 534 drive from The action that clutch 531 moves.

Specifically, as shown in Figure 43 to Figure 45, third spring 536 is mounted on control by gasket 5341 and clamp spring 5342 and covers Between 534 and clutch 531, when control set 534 is moved along the axial direction of hub spindle, first third spring 536 can be driven to stretch Or compression just starts what drive was connect with third spring 536 after reaching the elastically-deformable maximum value of third spring 536 Clutch 531 is moved along the axial direction of hub spindle.Therefore, third spring 536 drives clutch 531 to move in control set 534 Action in play cushioning effect, avoid the actuation clamping stagnation between clutch 531 and control set 534, and burn electricity Machine.

More specifically, there are gap between 534 end faces of gasket 5341 and control set, then the active force of third spring 536 is not It directly acts on control set 534, does not then interfere with control set 534 when clutch 531 rotates, largely avoid control set Friction between 534 and clutch 531 and be worn.

The utility model also provides a kind of bicycle, including wheel hub braking lock or wheel hub braking system 10.

Specifically, wheel hub braking lock or wheel hub braking system 10 are mounted in the hub for vehicle wheel 8 on cycle frame.

A kind of wheel hub braking lock and a kind of wheel hub braking system 10 that the utility model embodiment provides, not only can be wide It is general to apply on bicycle, it can also be used on motorcycle.Also, a kind of wheel hub braking that the utility model embodiment provides The car locking action that lock and a kind of wheel hub braking system 10 are realized includes that can not influence to brake by external force after the locking of wheel hub 8 The case where effect, even if also including by the case where after the locking of wheel hub 8, wheel hub 8 remains to slowly rotate when by very big thrust.

The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest range consistent with features of novelty.

Claims (58)

1. a kind of wheel hub braking lock is mounted in hub for vehicle wheel (8), which is characterized in that including braking maneuver mechanism (1) and lock Vehicle arrestment mechanism (3), the braking maneuver mechanism (1), which has, to be contacted with car locking arrestment mechanism (3) so that the wheel hub (8) The state stopped being rotated, the braking maneuver mechanism (1) includes：

Mounting bracket (11), the mounting bracket (11) are socketed on the hub spindle of the wheel hub (8), and can be around the wheel hub Axis rotates, and the mounting bracket (11) can be clamped with the car locking arrestment mechanism (3)；

It is braked component (12), the component (12) that is braked is rotated integrally with the wheel hub (8), has braking surface；

Brake component (13), the brake component (13) are coaxially disposed with the hub spindle, and are held in the palm with the fixation Frame (11) is clamped, and with the contact surface that can be contacted with the braking surface.

2. a kind of wheel hub braking lock as described in claim 1, which is characterized in that it is described be braked to be provided on component (12) keep away Absolutely empty (121), the component (12) that is braked are connect by locating part (122) with the wheel hub (8), the locating part (122) it passes through the empty avoiding space (121), and the locating part (122) and described is braked between component (12) that there are gaps.

3. a kind of wheel hub braking lock as claimed in claim 2, which is characterized in that the quantity of the empty avoiding space (121) is at least It is 2, described be braked on component (12) is evenly arranged in circumferential.

4. a kind of wheel hub braking lock as claimed in claim 2, which is characterized in that the quantity of the empty avoiding space (121) is at least It is 2, described be braked on component (12) is arranged in circumferentially-spaced.

5. a kind of wheel hub braking lock as claimed in claim 2, which is characterized in that the component (12) that is braked is annual disk, The emptiness avoiding hole for surrounding the empty avoiding space (121) is provided on the annual disk.

6. a kind of wheel hub braking lock as claimed in claim 5, which is characterized in that the locating part (122) is limited post.

7. a kind of wheel hub braking lock as claimed in claim 6, which is characterized in that the emptiness avoiding hole is in being bent along circumferential direction The elliptical aperture of extension.

8. a kind of wheel hub braking lock as claimed in claim 7, which is characterized in that the component (12) that is braked is annual disk, The empty avoiding opening (123) of empty avoiding space (121) described in semi-surrounding is provided on the annual disk.

9. a kind of wheel hub braking lock as claimed in claim 8, which is characterized in that further include spacing ring (124), the spacing ring (124) be set to it is described be braked between component (12) and the brake component, exist for being braked component (12) described in limiting Range is moved radially in the empty avoiding space (121).

10. a kind of wheel hub braking lock as claimed in claim 9, which is characterized in that be provided on the spacing ring (124) and institute State empty avoiding opening (123) in conjunction with and surround the limit opening (125) of the empty avoiding space (121), the limit opening (125) can It is braked component (12) described in restriction and moves radially position in the empty avoiding space (121).

11. a kind of wheel hub braking lock as claimed in claim 10, which is characterized in that the spacing ring (124) is using elastic material Material.

12. a kind of wheel hub braking lock as claimed in claim 11, which is characterized in that the spacing ring (124) is fixed at On the wheel hub (8).

13. a kind of wheel hub braking lock as claimed in claim 8, which is characterized in that further include spacing collar (9), the spacing collar (9) be set to the wheel hub (8) and it is described be braked between component (12), described be braked component (12) described for limiting Range is moved radially in empty avoiding space (121).

14. a kind of wheel hub braking lock as claimed in claim 13, which is characterized in that the spacing collar (9) uses elastic material.

15. wheel hub braking lock as described in claim 1, which is characterized in that the brake component (13) includes：

Brake drum (131) is provided with the cam part that circumferentially outer diameter becomes larger on the peripheral surface of the brake drum (131) (1311)；

Multiple rollers (132), the roller (132) are arranged in the cam part (1311)；

The roller (132) is compressed on the brake ring (133) by brake ring (133), the brake ring (133) Between the brake drum (131)；

The roller (132) can roll simultaneously edge simultaneously by the rotation of the brake drum (131) along the cam part (1311) Radial direction moves.

16. wheel hub braking lock as claimed in claim 15, which is characterized in that the brake component (13) further includes limiting Snap ring (134), the restriction snap ring (134) are arranged between the brake ring (133) and the brake drum (131), and The relatively described hub spindle does not rotate, described to limit the movement model being provided on snap ring (134) for limiting the roller (132) The opening card hole (1341) enclosed.

17. wheel hub braking lock as claimed in claim 16, which is characterized in that the roller (132) is in the restriction snap ring (134) Upper edge is provided at circumferentially spaced.

18. wheel hub braking lock as claimed in claim 16, which is characterized in that the roller (132) is in the restriction snap ring (134) On be uniformly arranged in the circumferential direction.

19. wheel hub braking lock as claimed in claim 15, which is characterized in that the car locking arrestment mechanism (3) includes that car locking is dynamic Make component (31) and car locking clamping part (32), the car locking action component (31) connect with the car locking clamping part (32), The car locking clamping part (32) has the position contacted in circumferential direction with the mounting bracket (11), and in circumferential side The position detached upwards with the mounting bracket (11).

20. wheel hub braking lock as claimed in claim 19, which is characterized in that the car locking action component (31) includes that car locking is dynamic Power component (311) and car locking driving member (312), the car locking driving member (312) connect with the car locking clamping part (32) It connects, the car locking dynamic component (311) connect with the car locking driving member (312), and the car locking dynamic component (311) can drive The dynamic car locking driving member (312) drives the car locking clamping part (32) to be rotated around the hub spindle.

21. a kind of wheel hub braking lock as claimed in claim 20, which is characterized in that the car locking action component (31) further includes First electrical mounting base (317) sets for installing the car locking dynamic component (311) on the first electrical mounting base (317) It is equipped with the first electrical cable-through hole (3171).

22. wheel hub braking lock as claimed in claim 20, which is characterized in that the car locking driving member (312) includes and lock Vehicle dynamic component (311) connection driving tooth wheel disc (313), and be arranged on the driving tooth wheel disc (313) and with it is described The eccentric gearing bar (315) of car locking clamping part (32) connection.

23. wheel hub braking lock as claimed in claim 22, which is characterized in that the car locking driving member (312) includes car locking The driving tooth wheel disc (313) of dynamic component (311) connection, the driven tooth wheel disc engaged with the driving tooth wheel disc (313) (314), the eccentric gearing bar (315) is arranged on the driven tooth wheel disc (314), and with the car locking clamping part (32) Connection.

24. wheel hub braking lock as claimed in claim 23, which is characterized in that the eccentric gearing bar (315) is spring buffer Bar.

25. wheel hub braking lock as claimed in claim 24, which is characterized in that the driven tooth wheel disc (314) is equipped with limit Locking component (316), the limitation locking component (316) are used to limit the mobile range of the eccentric gearing bar (315).

26. wheel hub braking lock as claimed in claim 25, which is characterized in that the limitation locking component (316) includes being used for Car locking dynamic component (311) operation or control piece out of service (3161) are controlled, sends inductive signal to the control The car locking induction pieces (3162) of part (3161), and the triggering car locking induction pieces (3162) send the car locking triggering of inductive signal Part, wherein the car locking induction pieces (3162) are electrically connected with the control piece (3161).

27. wheel hub braking lock as claimed in claim 26, which is characterized in that the car locking trigger member includes and the driven tooth The first positioning disk (3166) that wheel disc (314) is coaxially fixedly installed, the first positioning being set on first positioning disk (3166) Part (3167) and the second locating piece (3168), the car locking induction pieces (3162) can be turned by first positioning disk (3166) It moves and touches first locating piece (3167) or second locating piece (3168).

28. wheel hub braking lock as claimed in claim 26, which is characterized in that the car locking trigger member includes and the driven tooth The second positioning disk (3166 ') that wheel disc (314) is coaxially fixedly installed, the magnetic patch (3167 ') being set on the positioning disk, the lock Vehicle induction pieces (3162) are hall sensing elements, and the hall sensing element can be turned by second positioning disk (3166 ') It moves and touches the magnetic patch (3167 ').

29. wheel hub braking lock as claimed in claim 26, which is characterized in that the car locking trigger member includes and the driven tooth The fan-shaped ring seat (3164) that wheel disc (314) is coaxially fixedly installed, and can be sent out with the longitudinal edge edge of the fan-shaped ring seat (3164) The frizzen (3165) of raw touching, the frizzen (3165) can be by the rotations of the fan-shaped ring seat (3164) by the fan The longitudinal edge of shape ring seat (3164) is along the car locking induction pieces (3162) are pushed to, until touching the car locking induction pieces (3162).

30. wheel hub braking lock as claimed in claim 29, which is characterized in that be provided with folding on the eccentric gearing bar (315) Curved segment (3151), the bending section (3151) can inlay card on the fan-shaped ring seat (3164).

31. a kind of wheel hub braking system (10) is mounted in hub for vehicle wheel (8), which is characterized in that including skidding mechanism (2), braking maneuver mechanism (1), car locking arrestment mechanism (3) and as described in claim 1 to 15, the braking maneuver mechanism (1) there is the shape contacted with skidding mechanism (2) or car locking arrestment mechanism (3) so that the rotation of the wheel hub (8) stops State, the braking maneuver mechanism (1) include：

Mounting bracket (11), the mounting bracket (11) are socketed on the hub spindle of the wheel hub (8), and can be around the wheel hub Axis rotates, and the mounting bracket (11) can block with the skidding mechanism (2), the car locking arrestment mechanism (3) respectively It connects；

It is braked component (12), the component (12) that is braked is rotated integrally with the wheel hub (8), has braking surface；

Brake component (13), the brake component (13) are coaxially disposed with the hub spindle, and are held in the palm with the fixation Frame (11) is clamped, and with the contact surface that can be contacted with the braking surface.

32. a kind of wheel hub braking system (10) as claimed in claim 31, which is characterized in that the skidding mechanism (2) Including brake component (21) and brake clamping part (22), the brake component (21) and the brake clamping part (22) it connects, and the brake clamping part (22) has the position contacted in circumferential direction with the mounting bracket (11), And the position detached in circumferential direction with the mounting bracket (11).

33. a kind of hub unit is mounted in hub for vehicle wheel (8), which is characterized in that include as described in claim 31 or 32 Wheel hub braking system (10), and the wheel hub speed change system (20) with hub spindle coaxial arrangement.

34. a kind of hub unit as claimed in claim 33, which is characterized in that the wheel hub speed change system (20) includes：

The power input mechanism (4) being connect with the flywheel of the wheel；

The power transmission mechanism (5) of the input speed of the power input mechanism (4) can be changed；

The power take-off mechanism (6) being connect with the power transmission mechanism (5)；

Wherein, the power transmission mechanism (5) includes the power drive assem (51) being arranged in the wheel hub (8), and setting exists Power driving module (52) between the power input mechanism (4) and the power drive assem (51), and moved with described The output control of engine power component (53) of power output mechanism (6) connection, the power drive assem (51) can be described dynamic by driving Power transmission component (52) is contacted or is detached with the output control of engine power component (53), to change the power take-off mechanism (6) Output speed.

35. a kind of hub unit as claimed in claim 34, which is characterized in that the power driving module (52) includes and turns The dynamic rotary drive seat (521) being sleeved on the hub spindle of the wheel hub (8), and can be with the rotary drive seat (521) Rotation and along the hub spindle axial movement translation driving member (522), the translation driving member (522) with it is described Output control of engine power component (53) contacts or the position of separation.

36. a kind of hub unit as claimed in claim 35, which is characterized in that the rotary drive seat (521) includes and institute The actuator (5211) of power drive assem (51) connection is stated, and setting is on actuator (5211) and height is circumferentially gradual The cam chair (5212) of variation, and the cam chair (5212) is slidably connected with the translation driving member (522).

37. a kind of hub unit as claimed in claim 36, which is characterized in that the cam chair (5212) and the actuator (5211) by the first spring (5213) connect, the cam chair (5212) can the relatively described actuator (5211) circumferentially revolve Turn.

38. a kind of hub unit as described in claim 36 or 37, which is characterized in that the power drive assem (51) includes The first dynamic Control component being electrically connected with extraneous control switch, and be electrically connected with the first dynamic Control component First dynamic component, first dynamic component can drive the power driving module (52) and the output control of engine power component (53) it contacts or detaches.

39. a kind of hub unit as claimed in claim 38, which is characterized in that the power drive assem (51) further includes the One toothed disc is provided with the first teeth portion engaged with the first gear disk on the actuator (5211).

40. a kind of hub unit as claimed in claim 39, which is characterized in that the power drive assem (51) further includes the It is electrical to be provided with second for installing the second dynamic component (513 ') for two electrical mounting bases on the power drive assem (51) Cable-through hole.

41. a kind of hub unit as described in claim 36 or 37, which is characterized in that the power drive assem (51) includes Location sensitive component (511 ') for incuding rotary drive seat (521) rotation angle, and with the location sensitive structure Second dynamic Control component (512 ') of part (511 ') electrical connection, and it is electrical with the second dynamic Control component (512 ') Second dynamic component (513 ') of connection, second dynamic component (513 ') can drive the power driving module (52) and institute State output control of engine power component (53) contact or separation.

42. a kind of hub unit as claimed in claim 41, which is characterized in that the power drive assem (51) further includes the Two toothed discs (514 ') are provided with the second teeth portion engaged with the second gear disk (514 ') on the actuator (5211) (515’)。

43. a kind of hub unit as claimed in claim 41, which is characterized in that the power drive assem (51) further includes the It is electrical to be provided with third for installing third dynamic component, on the power drive assem (51) for three electrical mounting bases (517 ') Cable-through hole.

44. a kind of hub unit as claimed in claim 43, which is characterized in that the location sensitive component (511 ') includes setting Set 2 piece of first magnetic patch (516 ') on the rotary drive seat (521), and for incude first magnetic patch (516 ') and The first hall sensing part being arranged in the electrical mounting base.

45. a kind of hub unit as claimed in claim 35, which is characterized in that the power drive assem (51) is turning set Drawstring seat on the hub spindle, the drawstring seat are assembled with rotary drive seat (521) coaxial rotating.

46. a kind of hub unit as claimed in claim 35, which is characterized in that the output control of engine power component (53) includes Clutch that is moving axially and being connect with the power input mechanism (4) synchronous with translation driving member (522) (531), the pawl of the power take-off mechanism (6) can be detached or contacted and output power to the clutch (531) (532), and it can detach or contact and output power to the rows of the power take-off mechanism (6) with the clutch (531) Star wheel series (533).

47. a kind of hub unit as claimed in claim 46, which is characterized in that the translation driving member (522) passes through set Control set (534) on the hub spindle is connect with the clutch (531), and the control set (534) can with it is described The synchronous axial movement of clutch (531).

48. a kind of hub unit as claimed in claim 46, which is characterized in that be provided with control on the clutch (531) The ramp structure of pawl (532) pressure.

49. a kind of hub unit as claimed in claim 47, which is characterized in that be provided with second on the control set (534) Spring (535), the second spring (535) are securely fitted in far from one end that the control covers (534) on the hub spindle.

50. a kind of hub unit as claimed in claim 46, which is characterized in that the planetary gear train (533) includes fixing sleeve The sun gear (5333) being connected on the hub spindle can output power to the wheel hub by the power take-off mechanism (6) (8) ring gear (5331), with the clutch (531) clutch cooperation and can be by the power take-off mechanism (6) by power It exports to the planet carrier (5332) of the wheel hub (8), and is arranged in the planet carrier (5332) and the ring gear (5331) Between planetary gear (5334).

51. a kind of hub unit as claimed in claim 50, which is characterized in that the clutch (531) inputs machine with power It is formed often in conjunction with drive state between structure (4) by sliding castellated structure.

52. a kind of hub unit as claimed in claim 50, which is characterized in that the clutch (531) and planet carrier (5332) clutch cooperation is formed by jaw clutch structure between.

53. a kind of hub unit as claimed in claim 50, which is characterized in that the power take-off mechanism (6) include with it is interior The first power output component (61) that gear ring (5331) connects and coordinates with the wheel hub (8) inner wall, with the planet carrier (5332) connection and the second power output component (62) coordinated with the wheel hub (8) inner wall.

54. a kind of hub unit as claimed in claim 53, which is characterized in that the first power output component (61) is the One one-way clutch.

55. a kind of hub unit as claimed in claim 53, which is characterized in that the second power output component (62) is the Two one-way clutch.

56. a kind of hub unit as claimed in claim 34, which is characterized in that further include for measuring wheel hub (8) rotating speed Velocity measurement mechanisms (7).

57. a kind of hub unit as claimed in claim 56, which is characterized in that the velocity measurement mechanisms (7) include being arranged in institute State the second magnetic patch on wheel hub (8), and the second hall sensing part of the relatively described hub unit fixed setting.

58. a kind of hub unit as claimed in claim 47, which is characterized in that the clutch (531) covers with the control (534) it is provided with third spring (536) between, drives the clutch (531) is mobile to move for buffering the control set (534) Make.