CN106763298B - centrifugal clutch - Google Patents
centrifugal clutch Download PDFInfo
- Publication number
- CN106763298B CN106763298B CN201710140206.8A CN201710140206A CN106763298B CN 106763298 B CN106763298 B CN 106763298B CN 201710140206 A CN201710140206 A CN 201710140206A CN 106763298 B CN106763298 B CN 106763298B
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- CN
- China
- Prior art keywords
- driving link
- centrifugal clutch
- driver plate
- roller
- wedge groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
- F16D43/18—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members with friction clutching members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M7/00—Motorcycles characterised by position of motor or engine
- B62M7/12—Motorcycles characterised by position of motor or engine with the engine beside or within the driven wheel
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/108—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction clutches
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The present invention provides a kind of centrifugal clutch and the gear-shifting wheel hub driving motor with the centrifugal clutch, belong to Clutch Technology field.It solves the problems, such as that existing centrifugal clutch structure species are insufficient.This centrifugal clutch includes driving link and the driven member that is set in outside driving link, and the centrifugation body that can be radially slided along driving link is equipped in driving link and can make the first spring for being centrifuged body reset；At least being equipped in the side of driving link can be along the driver plate that driving link circumferentially slides, it is offered on the lateral surface of driving link multiple along the circumferentially equally distributed wedge groove of driving link, it is equipped with roller in each wedge groove and for limiting the mobile limited post of roller, second spring is equipped between roller and the bottom surface of wedge groove；Limited post is fixedly connected with driver plate, is centrifuged the commutation drive mechanism for being equipped between body and driver plate and driver plate capable of being made circumferentially to slide when being centrifuged body and radially sliding.It the kind of drive of this centrifugal clutch and combines and separates control mode unlike the prior art.
Description
Technical field
The invention belongs to engineering element technical fields, are related to a kind of clutch, especially a kind of centrifugal clutch.
Background technique
Mechanical gear-shifting wheel hub driving motor is one kind of variable speed drives hub motor, is widely applied in electric vehicle.China
Patent document describes some mechanical formula gear-shifting wheel hub driving motor, such as the clutch type output mechanism of electrically-propelled vehicle shifting driving hub
(Authorization Notice No. CN101767529B), electrically-propelled vehicle shifting driving hub (Authorization Notice No. CN102410317B), electric vehicle become
Fast drive hub (application publication number CN103840604A), wherein centrifugal clutch is mechanical gear-shifting wheel hub driving motor center
One of center portion part.Chinese patent literature also describes part centrifugal clutch, such as centrifugal clutch (Authorization Notice No.
CN102410317B)；Centrifugal clutch (application publication number CN104482075A).Those skilled in the art wish to propose more not
Gear-shifting wheel hub with structure and the centrifugal clutch that is suitably applied in gear-shifting wheel hub driving motor, and more different structures drives
Dynamic motor, to meet different clients and different working condition requirements.
Summary of the invention
The invention proposes a kind of centrifugal clutch, the technical problem to be solved by the present invention is to how to propose different structure and
The centrifugal clutch being suitably applied in gear-shifting wheel hub driving motor.
Technical problems to be solved of the invention can be realized by the following technical scheme: this centrifugal clutch includes actively
Part and the driven member being set in outside driving link, being equipped in driving link along the centrifugation body that driving link radially slides and can make to be centrifuged body
The first spring resetted；At least being equipped in the side of driving link can be along the driver plate that driving link circumferentially slides, the outside of driving link
It is offered on face and multiple is equipped with roller along the circumferentially equally distributed wedge groove of driving link, each wedge groove and for limiting rolling
The mobile limited post of column, is equipped with second spring between roller and the bottom surface of wedge groove；Limited post is fixedly connected with driver plate, centrifugation
The commutation drive mechanism that driver plate can be made circumferentially to slide when being centrifuged body and radially sliding is equipped between body and driver plate.
When driving link rotation, centrifugation body generates centrifugal force, the elastic force of the first spring is overcome, to the outer radial of driving link
Sliding, centrifugation body drive driver plate circumferentially to slide by commutation drive mechanism, and driver plate drives limited post mobile, realize release rolling
Column；Roller moves under the elastic force effect of second spring.When the revolving speed of driving link is lower than centrifugal clutch combination revolving speed, due to
It is smaller to be centrifuged body generation centrifugal force, is centrifuged body and radially slides stroke deficiency, cause driver plate circumferential direction sliding stroke and roller mobile
Stroke is insufficient, and then roller can not be simultaneously with driven member and driving link frictional engagement, i.e. driving link dallies.When the revolving speed of driving link
When higher than centrifugal clutch combination revolving speed, increasing since centrifugation body generates centrifugal force, centrifugation body radially slides stroke increase, so that
Roller shift motion also increases, and then roller forces driven member to enter rotation shape simultaneously with driven member and driving link frictional engagement
State and realization transmitting torque.
When centrifugal clutch is in bonding state, stop to be centrifuged body in the elastic force of the first spring to driving link input power
It to the radially sliding of driving link under effect, realizes and resets, centrifugation body drives driver plate circumferentially anti-by commutation drive mechanism
To sliding, driver plate drives limited post mobile, pushes roller mobile, tie roller can not with driven member and driving link friction simultaneously
It closes, and then realizes centrifugal clutch separation.
It the kind of drive of this centrifugal clutch and combines and separates control mode unlike the prior art.This be centrifuged from
The combination revolving speed of clutch can be determined according to design, if the revolving speed of driving link is 280 revs/min；When the driving link of this centrifugal clutch
When revolving speed is lower than in conjunction with revolving speed, no matter driving link is idle running forward or reverse, and it is logical that this state meets gear-shifting wheel hub driving motor
Output and gear-shifting wheel hub driving motor after deceleration mechanism slows down is crossed to reverse；Roller does not rotate when this state, reduces significantly
Roller wear, and then significant the service life for improving roller, so that the service life of centrifugal clutch meets gear-shifting wheel hub
The technical requirements of driving motor.When the driving link revolving speed of this centrifugal clutch, which is higher than, combines revolving speed, centrifugal clutch is in knot
Conjunction state, centrifugal clutch realizes equispeed output and transfer of torque meets gear-shifting wheel hub driving motor high speed and efficient output is wanted
It asks.
In above-mentioned centrifugal clutch, multiple be circumferentially uniformly distributed along driving link is offered in the middle part of the driving link and is led
Xiang Kong, pilot hole is in a strip shape and pilot hole being arranged radially along driving link；Centrifugation body is embedded in pilot hole correspondingly.
In above-mentioned centrifugal clutch, the middle part of the driving link has circular orientation portion, and driver plate is set in annular
On positioning region.
In above-mentioned centrifugal clutch, the two sides of the driving link are equipped with a driver plate；Two driver plates it is outer
Side edge part is fixedly connected by limited post；The middle part of two driver plates is fixedly connected by multiple fasteners, the middle part of driving link
Offer the avoid holes worn for fastener.
In above-mentioned centrifugal clutch, the roller and centrifugation body are respectively positioned between two driver plates；It is centrifuged the side of body
Guide frame is formed between face and the side of driver plate.
In above-mentioned centrifugal clutch, the commutation drive mechanism includes the reversing column being fixedly connected with centrifugation body and position
In the skewed slot on driver plate, reversing column is embedded in skewed slot.
In above-mentioned centrifugal clutch, the wedge groove has inclined-plane and bottom surface, and the inclined-plane of wedge groove is equipped with backing plate,
Backing plate is fixedly connected with driving link.
In above-mentioned centrifugal clutch, the wedge groove has inclined-plane and bottom surface, fixes on the bottom surface of wedge groove limited
Position plate, the bottom surface on the inclined-plane and wedge groove of limit plate and wedge groove forms the locating slot for determining roller position under normality.
In above-mentioned centrifugal clutch, the second spring is pressure spring, and spring installation is offered on the bottom surface of wedge groove
Hole, second spring are embedded in spring mounting hole.
This gear-shifting wheel hub driving motor includes central axis, motor, wheel hub and planetary reduction gear component；Wheel hub and central axis
Between be rotatablely connected；It is fixedly connected between the stator of motor and central axis, is rotatablely connected between rotor and central axis；Rotor and wheel
It is connected between hub by above-mentioned centrifugal clutch, driving link is connected with rotor, and driven member is fixedly connected with wheel hub；Rotor
Also it is connected by planetary reduction gear component between wheel hub, the outer gear ring of planetary gear set is connected with rotor, center
Wheel is connected between central axis by freewheel clutch, is rotatablely connected between planetary gear and wheel hub.
When the revolving speed of rotor is lower than centrifugal clutch combination revolving speed in this gear-shifting wheel hub driving motor, centrifugal clutch is in
Discrete state, freewheel clutch are in bonding state, and centre wheel is in locking state；Rotor drives outer gear ring rotation, and then band
Dynamic planetary gear rotation is simultaneously rotated around centre wheel；And then planetary gear drives hub rotation to realize output of slowing down.
When the revolving speed of rotor is higher than centrifugal clutch combination revolving speed in this gear-shifting wheel hub driving motor, centrifugal clutch is in
Bonding state, rotor pass through centrifugal clutch band runner hub equispeed output.Under this state, due to planetary gear and outer gear ring relative to
The revolving speed of central axis is identical, thus does not rotate mutually between centre wheel, planetary gear and outer gear ring three, and the stress side of centre wheel
To when being in discrete state relative to centrifugal clutch on the contrary, thus freewheel clutch is in discrete state, centre wheel, planetary gear
With outer gear ring three and rotor and wheel hub at the same speed around central axis rotation.
This gear-shifting wheel hub driving motor, which is applied, to be frequently necessary to move backward in electric vehicle, and freewheel clutch is in discrete state,
And the speed moved backward is slower, therefore centrifugal clutch is in discrete state.
This gear-shifting wheel hub driving motor uses outer gear ring input power, and planetary gear output power realizes planetary reduction gear
Component underneath drive is 1.55~1.75 than deceleration transmission, such as transmission ratio；So that this gear-shifting wheel hub driving motor is suitably applied in electricity
In motor-car.
This gear-shifting wheel hub driving motor makes full use of self structure, can at least omit the planet carrier of planetary gear side, thus
Has the advantages that simplified structure；In other words, this gear-shifting wheel hub driving motor has the advantages that compact-sized and simple.
Compared with prior art, planetary reduction gear assembly quality is evenly distributed this gear-shifting wheel hub driving motor, center
On center shaft, and then gear-shifting wheel hub driving motor operation stability can be improved.
Detailed description of the invention
Fig. 1 is schematic view of the front view when this centrifugal clutch is in discrete state.
Fig. 2 is that this centrifugal clutch is in discrete state and conceals the schematic perspective view after the driver plate of side.
Fig. 3 is that this centrifugal clutch is in discrete state and conceals the schematic view of the front view after the driver plate of side.
Fig. 4 is schematic view of the front view when this centrifugal clutch is in bonding state.
Fig. 5 is that this centrifugal clutch is in bonding state and conceals the schematic perspective view after the driver plate of side.
Fig. 6 is that this centrifugal clutch is in bonding state and conceals the schematic view of the front view after the driver plate of side.
Fig. 7 is the schematic cross-sectional view of gear-shifting wheel hub driving motor in embodiment one.
Fig. 8 is the schematic cross-sectional view of gear-shifting wheel hub driving motor in embodiment two.
Fig. 9 is the schematic perspective view that gear-shifting wheel hub driving motor conceals after section components in embodiment two.
In figure, 1, centrifugal clutch；1a, driving link；1a1, wedge groove；1a2, pilot hole；1a3, avoid holes；1a4, annular
Positioning region；1b, driven member；1c, centrifugation body；1c1, reversing column；1d, driver plate；1d1, skewed slot；1e, the first spring；1f, roller；
1g, backing plate；1h, limit plate；1i, locating slot；1j, second spring；1k, limited post；1m, bushing；1n, fastener；2, central axis；
3a, stator；3b, rotor；3b1, the first side lid；4, wheel hub；4a, the second side lid；5a, outer gear ring；5b, centre wheel；5c, planet
Wheel；6, transmission shaft；7, first bearing；8, second bearing；9, spline housing；10,3rd bearing；11, fourth bearing；12, gear ring is pacified
Fill seat；13, freewheel clutch；14,5th bearing；15, bracket；16,6th bearing；17,7th bearing；18,8th bearing.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one
As shown in Figures 1 to 6, this centrifugal clutch 1 includes driving link 1a, driven member 1b, centrifugation body 1c and driver plate 1d.
Driving link 1a is in circular ring shape, and middle part is axis hole, is offered on the lateral surface of driving link 1a multiple along driving link 1a
Circumferential equally distributed wedge groove 1a1.It is offered in the middle part of driving link 1a and multiple is circumferentially uniformly distributed pilot hole along driving link 1a
1a2, pilot hole 1a2 be in a strip shape and pilot hole 1a2 being arranged radially along driving link 1a.It is also provided in the middle part of driving link 1a more
A avoid holes 1a3.Figure of description is equipped with spline to shaft outlet hole side；The quantity of wedge groove 1a1 is 6；Pilot hole 1a2
Quantity be two；The quantity of avoid holes 1a3 is four；The key on axis hole side is adjusted to adaptability according to the actual situation
Slot, the quantity of wedge groove 1a1, the quantity of pilot hole 1a2 and the quantity of avoid holes 1a3.
Driven member 1b is also in circular ring shape, and driven member 1b is set in outside driving link 1a, and multiple connections are offered on driven member 1b
Hole is fixedly connected convenient for driven member 1b with load elements.
The quantity for being centrifuged body 1c is identical as the quantity of pilot hole 1a2, and centrifugation body 1c is embedded correspondingly in pilot hole 1a2
It is interior, it is centrifuged between the side of body 1c and the side of pilot hole 1a2 and forms guide frame, and then being centrifuged body 1c can be along driving link 1a diameter
To steadily and neatly sliding.Being equipped in driving link 1a, which can make to be centrifuged the first spring 1e, the first spring 1e that body 1c resets, is
Pressure spring, pressure spring be located at pilot hole 1a2 end face outside and centrifugation body 1c between, be centrifuged body 1c under the elastic reaction of pressure spring always
With the trend mobile to driving link 1a center position, i.e., it is centrifuged body 1c under normal conditions and the inner side end of pilot hole 1a2 offsets
It leans on.Tension spring can also be used in the first spring 1e according to the actual situation.
A roller 1f, the axial line of roller 1f and the axis parallel of driving link 1a are equipped in each wedge groove 1a1
Setting.Wedge groove 1a1 has inclined-plane and bottom surface, and it is logical that backing plate 1g, backing plate 1g and driving link 1a are fixed on the inclined-plane of wedge groove 1a1
Bolt is crossed to be fixedly connected；The structure not only can guarantee for roller 1f against inclined-plane meet associated specifications, but also wedge shape can be reduced
The machining accuracy on the inclined-plane slot 1a1 and the material requirements of driving link 1a, and then realize the manufacturing cost for reducing centrifugal clutch 1.
The inclined-plane and wedge groove 1a1 of limit plate 1h, limit plate 1h and wedge groove 1a1 are fixed on the bottom surface of wedge groove 1a1
Bottom surface form locating slot 1i, for determining the position of lower roller 1f of being in the normal state, in other words, centrifugal clutch 1 is in the normal state
Lower roller 1f is located in locating slot 1i, and roller 1f is avoided disorderly to move, and then ensure that 1 performance of centrifugal clutch is stablized.It adopts
Assisting being formed locating slot 1i with limit plate 1h and having reduces the excellent of wedge groove 1a1 difficulty of processing and locating slot 1i difficulty of processing
Point, and then reduce by 1 manufacturing cost of centrifugal clutch.
Second spring 1j is equipped between roller 1f and the bottom surface of wedge groove 1a1, second spring 1j is pressure spring, wedge groove 1a1
Bottom surface on offer spring mounting hole, second spring 1j is embedded in spring mounting hole, and spring mounting hole is that second spring 1j pacifies
Dress provides enough spaces, and then depth needed for can reducing locating slot 1i, the lower roller 1f so that centrifugal clutch 1 is in the normal state
It leans with the bottom surface locating slot 1i, further increases the state stability of roller 1f.
It is also equipped in each wedge groove 1a1 for limiting the mobile limited post 1k of roller 1f, i.e. roller 1f is located at second
Between spring 1j and limited post 1k.Limited post 1k can push roller 1f to close to wedge to close to the direction movement of the bottom surface wedge groove 1a1
The shape bottom surface slot 1a1 direction is mobile, and then compresses second spring 1j；Limited post 1k is mobile to the separate bottom surface wedge groove 1a1 direction, the
Two spring 1j push roller 1f to far from the movement of the bottom surface wedge groove 1a1 direction.
It at least is equipped with driver plate 1d in the side of driving link 1a, the two sides that Figure of description provides driving link 1a are equipped with one
Open driver plate 1d；Limited post 1k is fixedly connected with driver plate 1d.A bushing is equipped in each avoid holes 1a3 of driving link 1a
1m, fastener 1n, which pass through two driver plate 1d, is fixedly connected with two driver plate 1d with bushing 1m.Fastener 1n and driver plate 1d
Middle part be connected, limited post 1k is connected with the outside edge of driver plate 1d, between two pieces of driver plate 1d be connected firmly it is excellent
Point.It follows that centrifugation body 1c and roller 1f is respectively positioned between two driver plate 1d, driver plate 1d can limit centrifugation body 1c and swing
And be centrifuged between the side of body 1c and the side of driver plate 1d and will form guide frame, thus further increase centrifugation body 1c
Sliding stability；Driver plate 1d can limit roller 1f axial float, and then improve the stabilization of centrifugal clutch 1 separation and combination
Property.
Being equipped between centrifugation body 1c and driver plate 1d can be such that driver plate 1d circumferentially slides when being centrifuged body 1c and radially sliding
Commutate drive mechanism.Commutation drive mechanism includes with the centrifugation body 1c reversing column 1c1 being linked together and on driver plate 1d
Skewed slot 1d1, reversing column 1c1 are embedded in skewed slot 1d1.When centrifugation body 1c is radially slided relative to driving link 1a, reversing column 1c1 compels
Rotate driver plate 1d relative to driving link 1a.There is circular orientation portion 1a4, driver plate 1d to be set in ring at the middle part of driving link 1a
Guiding knot is formed on the 1a4 of shape positioning region, between the inner face of driver plate 1d and the circular orientation portion 1a4 lateral surface of driving link 1a
Structure, and then driver plate 1d can stablize and neatly rotate.
By illustrate centrifugal clutch 1 cohesive process, bonding state and separation process further illustrate this be centrifuged from
The effect and advantage of all parts in clutch 1:
When driving link 1a is rotated along direction shown in arrow in Fig. 3 and is gradually increased until that revolving speed is more than centrifugal clutch 1
When in conjunction with required revolving speed, centrifugation body 1c generates centrifugal force and gradually increases, and centrifugation body 1c is slided to the outer radial of driving link 1a,
First spring 1e is gradually compressed；In the process, centrifugation body 1c drives reversing column 1c1 synchronizing moving, and reversing column 1c1 forces biography
Movable plate 1d is rotated relative to driving link 1a, and driver plate 1d rotational travel can pass through skewed slot 1d1 tilt angle and centrifugation body 1c sliding
Stroke control；Driver plate 1d drives limited post 1k synchronizing moving, i.e. limited post 1k is mobile to the separate bottom surface wedge groove 1a1 direction,
Second spring 1j pushes roller 1f also to mobile far from the bottom surface wedge groove 1a1 direction；Top and driven member due to wedge groove 1a1
Spacing between bottom and driven member 1b medial surface of the spacing less than wedge groove 1a1 between 1b medial surface, the mobile spacing of roller 1f
From rear, roller 1f not only with driven member 1b medial surface rolling friction, but also the plate face rolling friction with backing plate 1g, and then drove driven member
1b rotation；Moment roller 1f later can be moved further and be formed self-locking, i.e. roller 1f and driven member 1b medial surface and backing plate
The equal static friction of the plate face of 1g combines, and driving link 1a drives driven member 1b efficiently to rotate by roller 1f, and can transmit be suitble to it is electronic
The torque value that vehicle is formed.
When the revolving speed of driven member 1b is greater than the revolving speed of driving link 1a, driven member 1b drives roller 1f to close to wedge groove
The bottom surface 1a1 direction is mobile, so that roller 1f back switches to the plate face rolling friction shape with driven member 1b medial surface and backing plate 1g
State.And when driving link 1a revolving speed combines required revolving speed lower than centrifugal clutch 1, elastic force of the centrifugation body 1c in the first spring 1e is made
It is gradually resetted under, i.e. centrifugation body 1c is gradually slided to the center position of driving link 1a；In the process, centrifugation body 1c band is moved
To column 1c1 synchronizing moving, reversing column 1c1 forces driver plate 1d to rotate backward, and then driver plate 1d drives limited post 1k is synchronous to move
Dynamic, i.e. for limited post 1k to close to the movement of the bottom surface wedge groove 1a1 direction, limited post 1k pushes roller 1f to close to the bottom wedge groove 1a1
Face direction is mobile, and second spring 1j is gradually compressed.
Needed for driving link 1a is reversely rotated along direction shown in arrow in Fig. 3 and speed is combined lower than centrifugal clutch 1
When revolving speed, centrifugal clutch 1 is in discrete state always.
When this centrifugal clutch 1 is in discrete state, roller 1f is located in locating slot 1i, i.e. roller 1f will not be with driven member
1b contact, will not more generate rollings, thus it is significant reduce roller 1f rolling duration, and then be effectively guaranteed centrifugation clutch
The service life of device 1.
As shown in fig. 7, this gear-shifting wheel hub driving motor includes central axis 2, motor, wheel hub 4 and planetary reduction gear component.
Motor is located at the side of wheel hub 4, which is suitble to heavy-duty motor, i.e. the structure is conducive to motor radiating.Planetary reduction gear
Component is located in wheel hub 4；The transmission shaft penetrated in wheel hub 46 is arranged on central axis 2, between transmission shaft 6 and central axis 2
It is connected by first bearing 7, and then transmission shaft 6 has load capacity and can guarantee flexible rotating.
It is fixedly connected between the stator 3a of motor and central axis 2, has in rotor 3b positioned at the first side of the two sides stator 3a
3b1 is covered, is connected by second bearing 8 between the first side lid 3b1 and central axis 2, thus rotor 3b is relative to 2 energy of central axis
Flexibly and steadily rotate.
Spline housing 9, first side of spline housing 9 and rotor 3b are arranged on the end being located at outside wheel hub 4 in transmission shaft 6
Lid 3b1 is bolted to connection.It is connected between transmission shaft 6 and spline housing 9 for spline fitted, which makes motor and center
Axis 2 assembles together and wheel hub 4 assembles together with 4 internal structure of wheel hub, and last two big assembly is assembled again, has and improves
The advantages of gear-shifting wheel hub driving motor assembly efficiency.
There are two the second side lid 4a for tool in wheel hub 4, pass through third between a second side lid 4a and the lateral surface of transmission shaft 6
Bearing 10 is connected, and is connected between another second side lid 4a and central axis 2 by fourth bearing 11；Thus wheel hub 4 is opposite
It can flexibly and steadily be rotated in central axis 2.
It is connected between rotor 3b and wheel hub 4 by centrifugal clutch 1, specifically, centrifugal clutch 1 is located at wheel hub 4
Interior, centrifugal clutch 1 is set on transmission shaft 6；The driving link 1a of centrifugal clutch 1 is fixedly connected with transmission shaft 6, and then is realized
Driving link 1a is connected with rotor 3b；Driven member 1b and a second side lid 4a of wheel hub 4 are bolted to connection.
Also it is connected by planetary reduction gear component between rotor 3b and wheel hub 4, specifically, planetary reduction gear group
The side of part is equipped with the gear ring mounting base 12 that is linked together with transmission shaft 6, the outer gear ring 5a of planetary gear set by bolt with
Gear ring mounting base 12 is fixedly connected, and then realizes that outer gear ring 5a is connected with rotor 3b；Pass through between centre wheel 5b and central axis 2
Freewheel clutch 13 is connected；Pass through 5th bearing between the lid 4a of another second side in the one end and wheel hub 4 of planetary gear 5c
14 are connected；And then realize that planetary gear 5c is flexible relative to wheel hub 4 and steadily rotates.Figure of description is to planet wheels 5c's
Quantity is two, and according to the actual situation, the quantity of planetary gear 5c increases with being suitable for ground.
It is equipped with bracket 15 between planetary gear 5c and gear ring mounting base 12, the end in wheel hub 4 is located in bracket 15 and transmission shaft 6
It is connected between portion by 6th bearing 16；The company of being bolted between the lid 4a of another second side in bracket 15 and wheel hub 4
It connects, the bolt is between centre wheel 5b and outer gear ring 5a；And then bracket 15 can flexibly and steadily turn relative to transmission shaft 6
It is dynamic.It is connected between the other end of planetary gear 5c and bracket 15 by 7th bearing 17；Planetary gear 5c is relative to 15 energy of bracket
Flexibly and steadily rotate；And then the equal stress in both ends of planetary gear 5c, so that planetary gear 5c rotation is flexibly and stable.
Embodiment two
The present embodiment is essentially identical with the structure and principle of embodiment one, and the no longer burden description of essentially identical place is only retouched
Different place is stated, the difference is that: as shown in Figure 8 and Figure 9, motor is located in wheel hub 4, which is suitble to medium and small
Power motor.
No setting is required on central axis 2 components such as transmission shaft 6, gear ring mounting base 12 and associated bearings.Planetary reduction gear group
Part is located at the side of motor, and centrifugal clutch 1 is located at the other side of motor.Two the second side lid 4a of wheel hub 4 and central axis 2 it
Between be connected by fourth bearing 11；Thus wheel hub 4 flexibly and can be rotated steadily relative to central axis 2.
It is connected between rotor 3b and wheel hub 4 by centrifugal clutch 1, specifically, the driving link 1a of centrifugal clutch 1
It is connected with a first side lid 3b1 of rotor 3b by spline；One the second side lid 4a of driven member 1b and wheel hub 4 passes through spiral shell
Bolt is fixedly connected.
Also it is connected by planetary reduction gear component between rotor 3b and wheel hub 4, specifically, planetary gear set
Outer gear ring 5a is fixedly connected by bolt with another first side lid 3b1 of rotor 3b, is passed through between centre wheel 5b and central axis 2
Freewheel clutch 13 is connected；Pass through 5th bearing between the lid 4a of another second side in the one end and wheel hub 4 of planetary gear 5c
14 are connected；Bracket 15 is arranged between another first side lid 3b1 of planetary gear 5c and rotor 3b, bracket 15 and rotor 3b's
It is connected between the lid 3b1 of another first side by 8th bearing 18；Pass through between the other end and bracket 15 of planetary gear 5c
7th bearing 17 is connected.
Claims (4)
1. a kind of centrifugal clutch including driving link (1a) and is set in the driven member (1b) of driving link (1a) outside, the active
It is multiple equipped with that can be offered on the centrifugation body (1c) that driving link (1a) is radially slided, the lateral surface of driving link (1a) in part (1a)
Along the circumferential equally distributed wedge groove (1a1) of driving link (1a), roller (1f), roller are equipped in each wedge groove (1a1)
Second spring (1j) is equipped between (1f) and the bottom surface of wedge groove (1a1)；It is characterized in that, being additionally provided in the driving link (1a)
It can make to be centrifuged the first spring (1e) that body (1c) resets；At least being equipped in the side of driving link (1a) can be circumferential along driving link (1a)
The driver plate (1d) of sliding, each wedge groove (1a1) is interior to be equipped with for limiting roller (1f) mobile limited post (1k)；Limit
Column (1k) is fixedly connected with driver plate (1d), is centrifuged between body (1c) and driver plate (1d) and is equipped with when centrifugation body (1c) radially slides
When driver plate (1d) can be made circumferentially to slide commutation drive mechanism.
2. centrifugal clutch according to claim 1, which is characterized in that offered in the middle part of the driving link (1a) multiple
It is circumferentially uniformly distributed pilot hole (1a2) along driving link (1a), pilot hole (1a2) is in a strip shape and pilot hole (1a2) is along driving link
(1a's) is arranged radially；Centrifugation body (1c) is embedded correspondingly in pilot hole (1a2).
3. centrifugal clutch according to claim 1, which is characterized in that the middle part of the driving link (1a) has annular fixed
Position portion (1a4), driver plate (1d) are set on circular orientation portion (1a4).
4. centrifugal clutch according to claim 1, which is characterized in that the two sides of the driving link (1a) are equipped with one
Driver plate (1d)；The outside edge of two driver plates (1d) is fixedly connected by limited post (1k)；In two driver plates (1d)
Portion is fixedly connected by multiple fasteners (1n), and the avoid holes worn for fastener (1n) are offered in the middle part of driving link (1a)
(1a3).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810706782.9A CN108923580B (en) | 2017-03-10 | 2017-03-10 | Gear-shifting wheel hub driving motor |
| CN201710140206.8A CN106763298B (en) | 2017-03-10 | 2017-03-10 | centrifugal clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710140206.8A CN106763298B (en) | 2017-03-10 | 2017-03-10 | centrifugal clutch |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810706782.9A Division CN108923580B (en) | 2017-03-10 | 2017-03-10 | Gear-shifting wheel hub driving motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106763298A CN106763298A (en) | 2017-05-31 |
| CN106763298B true CN106763298B (en) | 2018-12-28 |
Family
ID=58962058
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710140206.8A Active CN106763298B (en) | 2017-03-10 | 2017-03-10 | centrifugal clutch |
| CN201810706782.9A Active CN108923580B (en) | 2017-03-10 | 2017-03-10 | Gear-shifting wheel hub driving motor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810706782.9A Active CN108923580B (en) | 2017-03-10 | 2017-03-10 | Gear-shifting wheel hub driving motor |
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| Country | Link |
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| CN (2) | CN106763298B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113489227B (en) * | 2021-06-30 | 2023-01-17 | 浙江联宜电机有限公司 | Transmission mechanism and anti-blocking motor |
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| CN2597743Y (en) * | 2002-03-03 | 2004-01-07 | 吕奋飞 | Clutch driving gear for motorcycle |
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| CN203522432U (en) * | 2013-10-15 | 2014-04-02 | 李跃岩 | Wheel hub motor |
| DE102012217927A1 (en) * | 2012-10-01 | 2014-04-03 | Schaeffler Technologies Gmbh & Co. Kg | Free wheel for belt drive has clamping ramp having intermediate ring with radially movable ring segments between drive element and output element, which produce frictional connection with output element in load direction of rotation |
| CN105736600A (en) * | 2016-03-04 | 2016-07-06 | 厦门南超机械有限公司 | Centrifugal jaw clutch |
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| JP3369673B2 (en) * | 1993-09-28 | 2003-01-20 | 本田技研工業株式会社 | Wheel motor |
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| CN201162792Y (en) * | 2008-03-19 | 2008-12-10 | 李小春 | Centrifugal type clutch for agricultural equipment |
| CN103840604B (en) * | 2014-03-27 | 2016-09-28 | 临海赫士利电动科技有限公司 | Electric motor car variable speed drives wheel hub |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2597743Y (en) * | 2002-03-03 | 2004-01-07 | 吕奋飞 | Clutch driving gear for motorcycle |
| JP2008151327A (en) * | 2006-12-20 | 2008-07-03 | Ntn Corp | Rotation transmitting device |
| JP2009156408A (en) * | 2007-12-27 | 2009-07-16 | Jtekt Corp | One-way clutch |
| CN102410317A (en) * | 2011-08-01 | 2012-04-11 | 台州市黄岩华阳机电科技有限公司 | Centrifugal clutch and electric vehicle gear-shifting drive hub with same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108923580B (en) | 2019-07-05 |
| CN106763298A (en) | 2017-05-31 |
| CN108923580A (en) | 2018-11-30 |
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Effective date of registration: 20191226 Address after: 314200 No. 558 Shuguang section of Xing Xing highway, Pinghu Economic Development Zone, Zhejiang, Jiaxing Patentee after: Jiaxing Haike luggage Co., Ltd Address before: 317000 Yangpu street, Yanjiang Town, Linghai City, Taizhou, Zhejiang Patentee before: Jiang Xianzheng |