CN206636991U - A kind of internal speed changer - Google Patents
A kind of internal speed changer Download PDFInfo
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- CN206636991U CN206636991U CN201720006449.8U CN201720006449U CN206636991U CN 206636991 U CN206636991 U CN 206636991U CN 201720006449 U CN201720006449 U CN 201720006449U CN 206636991 U CN206636991 U CN 206636991U
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Abstract
The utility model discloses a kind of internal speed changer, using planetary gear train as transmission device, connected between the free wheel base of internal speed changer and the planet carrier of planetary gear train by clutch, meanwhile, the free wheel base is connected by overdrive clutch component with ring gear；The planet carrier is connected by the flower-drum of the second single-direction transmission part and internal speed changer, and the ring gear of the planetary gear train is connected by overdrive clutch component with flower-drum；Centre wheel two-way clutch control assembly is provided between the centre wheel and axletree of the planetary gear train；The clutch is connected with centre wheel two-way clutch control assembly by the operating mechanism of internal speed changer.The utility model is on the basis of existing technology, the internal speed changer of synchronized ratio effectively reduces the structure of internal speed changer, internal speed-changing can be made into more compact, is advantageous to assembling internal speed changer bicycle and further realizes lightweight, and it is more convenient to operate, and dismounting is more convenient.
Description
Technical field
The utility model belongs to internal speed variator of bicycle, and in particular to a kind of internal speed changer.
Background technology
Existing voluntarily internal speed changer is the two groups of duplex planet trains used mostly, by replacing between two groups of planetary gear trains
The combinations of five fast ratios is realized in the locking of control centre's wheel and unblock, and this internal speed changer volume is too fat to move, complicated, cost compared with
Height, heavier-weight, transmission efficiency is low, and manipulates to get up to be inconvenient, and then result in using five speed internal gearboxes voluntarily
Popularization and application on car.
In addition existing internal speed changer is all designed using integral immobilization, can not quick-replaceable upgrading.Changed in ride
Gear rigidity is too strong, and some gears occur that gearshift resistance is big when running into external drag, influence experience of riding.
Utility model content
The utility model solve technical problem be：For drawbacks described above existing for existing internal speed changer, there is provided a kind of
New internal speed changer.
The utility model adopts the following technical scheme that realization：
Internal speed changer, using planetary gear train as transmission device,
Connected between the free wheel base of internal speed changer and the planet carrier of planetary gear train by clutch, meanwhile, the free wheel base
It is connected by overdrive clutch component with ring gear；
The planet carrier is connected by the flower-drum of the second single-direction transmission part and internal speed changer, the ring gear of the planetary gear train
It is connected by overdrive clutch component with flower-drum；
Centre wheel two-way clutch control assembly is provided between the centre wheel and axletree of the planetary gear train；
The clutch is connected with centre wheel two-way clutch control assembly by the operating mechanism of internal speed changer.
Further,
The overdrive clutch component includes the first single-direction transmission part, retainer and some rolling elements, and the retainer turns
Dynamic to be assemblied on ring gear, the free wheel base is connected by the first single-direction transmission part with retainer, and the rolling element is to surmount
The arrangement of clutch is uniformly arranged between ring gear and flower-drum, and the ring gear between the rolling element, which is provided with, to be passed
Dynamic projection, the circumference of the retainer are provided with some maintainance blocks, will be separated between rolling element and transmission projection.
Further,
The first single-direction transmission part and the second single-direction transmission part use freewheel clutch.
Further,
Rolling assembling between the free wheel base and planet carrier, the clutch slip be assemblied in free wheel base and planet carrier it
Between, the clutch is circumferentially inlaid on free wheel base all the time, and clutch is provided with some clutch projections, and corresponding planet carrier is circumferential
Position is provided with the clutch groove of chimeric clutch projection.
Further,
The clutch also include first control rotating part, second control rotating part, rotary support member, clutch control seat, from
Clutch seat and spring；
The first control rotating part is connected with operating mechanism, and rolling assembling is on the axletree in internal speed changer, and described the
Two control rotating parts are connected by rotary support member and the first control rotating part, and the clutch base and the second control rotating part are circumferential
It is located by connecting, the clutch base while the assembling that also slid axially with the first control rotating part or the second control rotating part, the clutch
Device control seat is securely fitted on the axletree in internal speed changer, is connected between clutch control seat and clutch base by cam structure
Connect, the clutch base is connected with the spring compressed, and the clutch rolling assembling realizes free wheel base and row on clutch base
Clutch assembling between carrier.
Further,
The planetary gear train uses duplex planet train；
The first control rotating part includes the centre wheel control-rod being sticked along axletree, and the centre wheel control-rod passes through clutch
Device controls the centre wheel two-way clutch control assembly of seat and distal end to connect；
The centre wheel two-way clutch control assembly of the second control rotating part and near-end connects.
Further,
The centre wheel two-way clutch controlling organization includes the first ratchet, the second ratchet, pawl base and ratchet controller；Institute
State that pawl base is circumferentially positioned to be assemblied on axletree, corresponding centre wheel rolling assembling is on pawl base, first ratchet and
Two ratchets are symmetrically mounted on the assembling circumference of pawl base and centre wheel, and two ratchets are kept as ejection shape by ratchet spring
State, limits two rotation directions of centre wheel respectively, and the inner ring of the centre wheel is provided with the chimeric spine of corresponding two ejections ratchet
Groove；
For the ratchet controller turning set on pawl base, its inner ring has the compacting segmental arc of compacting ratchet and spine of upspringing
The short slot of upspringing of pawl；
The ratchet controller is together connected with clutch with operating mechanism.
As the preferred scheme in the utility model,
The operating mechanism includes steering assembly, rotary driving member and two groups of torsion springs；The rotary driving member rolling assembling
On axletree, one end is connected with steering assembly, and the steering assembly is connected with rotation controling mechanism, and control rotary driving member is carried out
Rotate, the other end is connected by the first torsion spring with the circumferential positioning structure on axletree, while also passes through the second torsion spring and clutch
Rotary support member connection.
Further,
The elastic force of second torsion spring is more than the first torsion spring.
Further,
The steering assembly includes bracing wire seat, bracing wire guide plate, bracing wire guide holder and limiting fixed seat, the bracing wire seat with
Rotary driving member is circumferentially connected, and the bracing wire guide holder is fixed on rotation control mounting seat one end by bracing wire guide plate
On limiting fixed seat, the limiting fixed seat is circumferentially located on axletree, and passes through shaft end locking member axially position.
Further,
The rotation controling mechanism is the Zhi Bo mechanisms or switching mechanism being connected by bracing wire with steering assembly bracing wire seat, or
The automatic switching mechanism of person's motor control.
In another preferred scheme of the present utility model,
The operating mechanism includes electrically-controlled component and rotary driving member；The rotary driving member rolling assembling on axletree,
One end is connected with electrically-controlled component, and the other end is with rotary support member by controlling torsion spring to be circumferentially connected；The rotary support member
And its control rotating part of connection and an adaptor are circumferentially connected, the adaptor and the gear positioning seat being fixed on axletree
Between rolling assembling, the locking ball that elasticity is set, the adaptor or gear are provided between adaptor and the gear positioning seat
The steel ball locating slots of some receiving locking balls, angle and rotation between the steel ball locating slot are circumferentially arranged with the positioning seat of position
The anglec of rotation turned between each gear of the control rotating part control of support member and its connection is consistent；
The electrically-controlled component includes the motor that driving rotary driving member rotates.
Further,
The locking ball is arranged in the steel ball mounting hole that adaptor inner ring is set, and is set on the excircle of the adaptor
There is a pressure spring slot, the pressure spring slot is located on the excircle where steel ball mounting hole, and the pressure spring slot is embedded to be cased with least one end and consolidate
The stage clip being scheduled on adaptor, in stage clip insertion steel ball mounting hole, by steel ball to the steel ball being arranged on gear positioning seat
Extruded in locating slot.
Further,
The motor of the electrically-controlled component is connected by gear pair with rotary driving member, and the gear pair is speed reducing gear pair,
The driving gear of the gear pair is connected with electric machine shaft driving, and driven gear and rotary driving member are circumferentially connected, it is described from
Driving wheel tooth section and positioning segmental arc are respectively equipped with the same turning circumference of moving gear, is set in the driving wheel tooth section and active
The gear teeth of gear engagement, it is described to position the projections that some corresponding gear positions are disposed with segmental arc, in driven gear turning circumference
Outside is with respect to the position sensor that axletree is fixed, to the raised progress roll angle inspection rotated with driven gear.
In above two scheme, the rotary driving member is connected by rotating control mounting seat with steering assembly, described
Rotary driving member and rotation control mounting seat are rotated coaxially and are sleeved on axletree and circumferentially positioned connection, the bracing wire seat or driven
Gear is arranged in rotation control mounting seat by dismountable circumferential positioning structure.
The invention also discloses a kind of internal speed changer control method that operating mechanism is controlled using bracing wire, the internal speed-changing
During the speed of device than carrying out downshift from high to low, bracing wire seat is driven the first torsion spring and the second torsion spring is stored power by bracing wire,
The clutch matching relationship of clutch and centre wheel is controlled, realizes more gears output of internal speed changer.
It using the utility model, can be fastened in one group of double-planetary gear, pass through clutch, overdrive clutch component combination planet
Two-way clutch control assembly on wheel, adjusts the realization of five groups of speed ratios, and overdrive clutch component realizes the planet in planetary gear train
Power direction of transfer conversion between frame and ring gear, when being changed due to the power direction of transfer of planet carrier and ring gear,
The engagement direction of centre wheel and planetary gear can also change, by centre wheel two-way clutch control assembly, planet carrier and interior
When power direction of transfer changes between gear ring, the direction of corresponding control centre's wheel locking.
Meanwhile the utility model can control the two-way clutch of clutch and centre wheel to control simultaneously by same operating mechanism
Component, improves the convenience of internal speed changer manipulation, and passes through demountable structure between operating mechanism and internal speed changer body
Connection, the convenience of maintenance and the upgrading of internal speed changer can be improved.
Meanwhile the design buffering time-delay mechanism in gearshift, it also easily can smoothly shift gears, ride when external drag of riding is larger
Row experience sense is good.
Shift transformation is controlled from high gear to low gear counterclockwise, the ratchet control of one of sun gear only needs to control
Its most labour-saving direction, it is more laborsaving without carrying out positive and negative both direction clutch for clutch control.
From the above mentioned, the utility model can realize five velocity modulation sections using one group of duplex planet train, and more existing five speed becomes
Fast device effectively reduces the structure of internal speed changer, internal speed-changing can be made into more compact, is advantageous to assemble internal speed changer bicycle
Further realize lightweight.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the general assembly schematic diagram of five speed internal gearboxes in embodiment one.
Fig. 2 is the schematic diagram of the clutch and overdrive clutch component in embodiment one.
Fig. 3 is the free wheel base schematic diagram in embodiment one.
Fig. 4 is the ring gear schematic diagram in embodiment one.
Fig. 5 is the retainer schematic diagram in embodiment one.
Fig. 6 is a kind of drive state schematic diagram of the overdrive clutch component in embodiment one.
Fig. 7 is the close-up schematic view in Fig. 6, is embodied as transmission of the overdrive clutch component in the state of Fig. 6
Schematic diagram.
Fig. 8 is another drive state schematic diagram of the overdrive clutch component in embodiment one.
Fig. 9 is the close-up schematic view in Fig. 8, is embodied as transmission of the overdrive clutch component in the state of Fig. 8
Schematic diagram.
Figure 10 is the clutch operating schematic diagram in embodiment one.
Figure 11 is the assembling schematic diagram of the clutch and its controlling organization in embodiment one.
Figure 12 is the first control rotating part schematic diagram in embodiment one.
Figure 13 is the second control rotating part schematic diagram in embodiment one.
Figure 14 is the rotary support member schematic diagram in embodiment one.
Figure 15 controls the assembling schematic diagram of rotating part and rotary support member for the first control rotating part in embodiment one, second.
Figure 16 is the clutch control seat schematic diagram in embodiment one.
Figure 17 is the clutch control seat assembling schematic diagram in embodiment one.
Circumferential position schematic diagrames of the Figure 18 between the clutch in embodiment one, free wheel base and planet carrier.
Figure 19 be embodiment one in clutch with the schematic diagram under planet carrier bonding state.
Figure 20 be embodiment one in clutch with the schematic diagram under planet carrier released state.
Figure 21 is the assembling schematic diagram of the two-way clutch control assembly of the centre wheel in embodiment one.
Figure 22 is scheme of installation of the ratchet on centre wheel in embodiment one.
Figure 23 is the first ratchet, the schematic diagram of the second ratchet in embodiment one.
Figure 24 is the 3rd ratchet, the schematic diagram of the 4th ratchet in embodiment one.
Figure 25 is that the first pawl base scheme of installation in embodiment one on corresponding first centre wheel (removes the first ratchet control
Seat processed).
Figure 26 is that the first ratchet in embodiment one controls seat schematic diagram.
Figure 27 is the locking control schematic diagram of the first centre wheel in one direction in embodiment one.
Figure 28 is the locking control schematic diagram of the first centre wheel in the other directions in embodiment one.
Figure 29 is the control schematic diagram in one of direction of the second centre wheel in embodiment one.
Figure 30 is the operating mechanism schematic diagram in embodiment one.
Figure 31 is the rotary driving member schematic diagram in embodiment one.
Figure 32 is assembling schematic diagram of the rotary driving member in embodiment one relative to the second pearl frame.
Figure 33 is the first torsion spring assembling schematic diagram in embodiment one.
Figure 34 is the second torsion spring assembling schematic diagram in embodiment one.
Figure 35 is the steering assembly schematic diagram in embodiment one.
Figure 36 is the operating mechanism schematic diagram in embodiment two.
Figure 37 is that the operating mechanism in embodiment two controls torsion spring scheme of installation.
Figure 38 is the operating mechanism locking ball scheme of installation in embodiment two.
Figure 39 is the second control rotating part schematic diagram in embodiment two.
Figure 40 is the operating mechanism adaptor schematic diagram in embodiment two.
Figure 41 is the gear positioning seat schematic diagram in embodiment two.
Figure 42 is view of the locking ball after gearshift in place in embodiment two.
Figure 43 is view of the locking ball in shift process in embodiment two.
Figure 44 is the electrically-controlled component schematic diagram in embodiment two.
Figure 45 is the brake installation portion schematic diagram on the flower-drum in embodiment one and embodiment two.
Figure 46 is drive path schematic diagram of five speed internal gearboxes when one keeps off in embodiment one and embodiment two.
Figure 47 is drive path schematic diagram of five speed internal gearboxes when two keep off in embodiment one and embodiment two.
Figure 48 is drive path schematic diagram of five speed internal gearboxes when three keep off in embodiment one and embodiment two.
Figure 49 is drive path schematic diagram of five speed internal gearboxes when four keep off in embodiment one and embodiment two.
Figure 50 is drive path schematic diagram of five speed internal gearboxes when five keep off in embodiment one and embodiment two.
Embodiment
Embodiment
Referring to Fig. 1 and Fig. 2, it is illustrated that in five speed internal gearboxes be preferred embodiment of the present utility model, specifically include
Free wheel base 11, planetary gear train 2, flower-drum 31, clutch 4, overdrive clutch component 5, centre wheel two-way clutch control assembly 6, manipulation
Mechanism 7, axletree 9 and some seals.
The present embodiment uses one group of duplex planet train as transmission device, wherein double centre wheels 23 are assemblied on axletree 9,
Axletree 9 does not rotate, and double centre wheels 23 realize the idle running unblock or double between axletree by centre wheel two-way clutch control assembly 6
To locking, engaged by double-planetary gear 24 with ring gear 22, double-planetary gear 24 by axle rolling assembling planet carrier 21,
Power input is used as by free wheel base 11, flywheel 12 is transmitted through the rotary power input planetary gear train come, it is defeated to drive to flower-drum 31
Go out to wheel, free wheel base 11 and be connected by clutch 4 with planet carrier 21, meanwhile, free wheel base 11 by overdrive clutch component 5 with it is interior
Gear ring 22 connects, and planet carrier 21 and ring gear 22 respectively can be as the transmission output members of planetary gear train, and planet carrier 21 passes through the
Two single-direction transmission parts 313 and the inwall of flower-drum 31 are fixed the second bushing 312 inlayed and coaxially assembled, ring gear 22 then by surmount from
Seaming element 5 is fixed the first bushing 311 inlayed with the inwall of flower-drum 31 and coaxially assembled.Two groups of centre wheels of double centre wheels 23 respectively with
Centre wheel two-way clutch control assembly 6 is provided between axletree, clutch 4 and centre wheel two-way clutch control assembly 6 are by interior
The operating mechanism 7 of speed changer connects.
Referring to Fig. 2 to Fig. 9, the concrete technical scheme of the overdrive clutch component in the present embodiment described further below.
With reference to Fig. 2 to Fig. 5, overdrive clutch component 5 includes retainer 51, the first single-direction transmission part 52 and some rolling members
Part 53, retainer 51 are barrel components, and rolling assembling is on ring gear 22, while retainer 51 passes through the first single-direction transmission part 52
Assembled with the first single-direction transmission part mounting surface 1102 on free wheel base 11.Some rolling elements 53 are with the arrangement of overrunning clutch mechanism
Mode is uniformly arranged between ring gear 22 and the inwall of the first bushing 311 of flower-drum, the ring gear 22 between rolling element 53
Be provided with ring gear transmission projection 221, the end face circumference of retainer 51 is provided with some maintainance blocks 511, between maintainance block 511 according to
Rolling element 53 after assembling is formed spacing holding by two kinds of cell bodies of secondary formation, one of which cell body, and another cell body is then by
Raised 221 correspondences of gear ring transmission so that carried out between rolling element 53 and ring gear transmission projection 221 by maintainance block 511
Separate.
On the overrunning clutch mechanism arrangement of rolling element 53, the rolling element setting side of freewheel clutch is referred to
Formula.Specifically in the present embodiment, inclined-plane is passed through on the periphery that ring gear 22 is connected with the inwall empty set of the first bushing 311 of flower-drum
Some Lower tanks are set, rolling element 53 is assemblied in Lower tank, when the rotating speed of ring gear 22 is more than the rotating speed of flower-drum, rolling
Dynamic element 53 can be pushed into upwards in the presence of inclined-plane with the wedge shape space of flower-drum inwall 222 (as shown in Figure 9), up to by internal tooth
The inwall clamping of circle 22 and the first bushing 311 of flower-drum, reliable power transmission connection is formed, drives flower-drum to turn by ring gear 22
Dynamic, if the rotating speed of flower-drum exceedes ring gear 22, the power transmission separation of the first bushing 311 and rolling element 53 of flower-drum is lost
Effect.
With reference to shown in Fig. 6 to Fig. 9, pass through maintainance block 511 and interior with the retainer 51 that the single-direction transmission of free wheel base 11 is connected
Gear ring transmission projection 221 contacts, and can be transferred to power on ring gear 22, the clutch between free wheel base 11 and planet carrier 21
Device 4 is separated, and now power is passed to planetary gear train by free wheel base 11 from ring gear 22, and power is exported to flower-drum from planet carrier 21；If
Engaged between free wheel base 11 and planet carrier 21 by clutch 4, now power is passed to planetary gear by free wheel base 11 from planet carrier 21
System, when the one of centre wheel of fixation, due to the change of gearratio, the rotating speed of ring gear 22 exceedes the guarantor of connection free wheel base 11
Frame 51 is held, rolling element 53 forms overdrive clutch, and ring gear 22 forms power transmission by rolling element 53 and connected, by ring gear
22 transmit power to flower-drum output, and now ring gear 22 equally drives retainer 51 to rotate at the same speed, and retainer 51 is single by first
Surmount free wheel base 11 to driving member 52.When centre wheel is not fixed, during in free state, now power by free wheel base 1 from row
Carrier 42 exports power to flower-drum 51, is now direct gear.
Retainer 51 and rolling element 53 and ring gear transmission projection the distance between 221 are set, it shall be guaranteed that are rolled
Element 53 normally can complete overdrive clutch and move in the wedge shape space between ring gear 22 and the first bushing 311 of flower-drum
Make.When clutch separates with planet carrier, when ensureing that maintainance block 211 contacts with transmission projection 411, maintainance block 211 will roll member
Part 23 is pushed into ring gear Lower tank, is kept completely separate with flower-drum inner ring；When clutch engages with planet carrier, ring gear inclined-plane will pass
When dynamic element 23 is pushed into be connected with flower-drum inner ring, retain certain space between maintainance block 211 and transmission projection.
Rolling element 53 can use column or ball part.
The first signified single-direction transmission part 52 and the second single-direction transmission part 313 are cylinder as rolling in the present embodiment
The mono-directional overrun clutch of body, but the driving member that can also use other to possess mono-directional overrun function.
In five speed internal gearboxes of the present embodiment, ring gear 22 and planet carrier 21 the first bushing 311 with flower-drum respectively
Connection, wherein ring gear 22 is connected by overdrive clutch component 5 with the first bushing 311 of flower-drum, and planet carrier 21 is single by second
It is connected to driving member 313 with the first bushing 311 of flower-drum, the inwall of flower-drum sets the first bushing 311 and the second bushing 312 respectively
It is connected respectively with ring gear 22 and planet carrier 21.
From the above mentioned, five speed internal gearboxes of the present embodiment can tentatively be divided into planet carrier output according to the connection with output
Both of which is exported with ring gear.
In planet carrier output mode, control clutch 4 will separate between free wheel base 11 and planet carrier 21, now free wheel base
11 power is transferred to retainer 51 by the first single-direction transmission part 52, and the transmission on ring gear 22 is promoted by maintainance block 511
Block 221, ring gear 22 is transmitted power to, now actuated element is pushed into ring gear Lower tank by maintainance block, is separated with flower-drum inner ring,
Power can not be transferred to flower-drum by ring gear by actuated element, and power enters planetary gear train from ring gear 22, after transmission
Exported from planet carrier 21, planet carrier 21 transmits power to the second bushing 312 of flower-drum by the second single-direction transmission part 313, keeps
Block 511 pushes rolling element to the Lower tank on ring gear, and rolling element separates with the first bushing of flower-drum 311, overdrive clutch group
Part does not work, as shown in Figure 6 and Figure 7.
In ring gear output mode, control clutch 4 will engage between free wheel base 11 and planet carrier 21, now free wheel base
11 power is transferred directly to planet carrier 21, and power enters planetary gear train from planet carrier 21, by defeated from ring gear 22 after transmission
Go out, the rotating speed of ring gear 22 exceedes the rotating speed of planet carrier, and now rolling element enters between ring gear 22 and the first bushing 311 of flower-drum
Enter wedge shape space 222, connection will be held out against between ring gear 22 and the first bushing 311 of flower-drum, realize that power exports from flower-drum, flower
Bulging rotating speed surmounts planet carrier 21, and the second single-direction transmission part 313 fails.
When the sun gear in planetary gear train is in free state, free wheel base power is by clutch, directly by planet
Frame 21, exported by the second single-direction transmission part 313 to flower-drum.
On the basis of above two output mode, in conjunction with the double-planetary gear in the planetary gear train 2 in the present embodiment
24 and double centre wheels 23 be two groups (sun gear is not duplicate gear), adjusted, realized two more than by two gear ratios
Speed change gear superposition in kind pattern.
Below in conjunction with Figure 10 to Figure 20, the technical scheme of the clutch in the present embodiment is described in detail.
As shown in Figure 10 and Figure 11, free wheel base 11 connects as the power input of internal speed changer and the power flywheel of bicycle
Connect, be rotatably installed on axletree 9, power output member of the flower-drum 31 as internal speed changer, respectively with the ring gear of planetary gear train 2
22nd, planet carrier 21 connects, and referring to Fig. 3, is respectively equipped with free wheel base 11 and sets clutch mounting groove 1101 and first is unidirectional to pass
Moving part mounting surface 1102, by assembling the planet carrier of clutch 4 and planetary gear train 2 on the clutch mounting groove 1101 of free wheel base 11
21 connections, planet carrier 21 are connected by the second single-direction transmission part 313 with the first bushing 311 of flower-drum, and ring gear 22 is by surmounting
Clutch component 5 is connected with the first bushing 311 of flower-drum, while the first single-direction transmission part mounting surface 1102 on free wheel base 11 is logical
The first single-direction transmission part 52 of assembling is crossed to be connected with overdrive clutch component 5.
Planet carrier 21 is used to install double-planetary gear 24, while realizes the defeated of power by the revolution of double-planetary gear 24
Go out.One end of planet carrier 21 in the present embodiment is directly assembled with one end part empty set of free wheel base 11, and clutch 4 uses circular ring type structure
Part slip cap is provided with some groups of clutch projections 401, clutch projection 401 is inlaid in winged on axletree in the circumference of clutch 4
In the clutch mounting groove 1101 of wheel seat 11, clutch mounting groove 1101 is axial along the end of free wheel base 11 and the empty set of planet carrier 21
Set, clutch 4 can be along the axial slip of clutch mounting groove 1101, and planet carrier 21 end of the empty set on free wheel base 11 is circumferentially
Clutch groove 211 provided with some corresponding clutch projections 401, clutch 4 realize that embedded or disengaging clutch is recessed by axial slip
Groove 211, realize separation and engagement between free wheel base 11 and planet carrier 21.
For reduce clutch 4 clutch projection 401 be embedded in planet carrier 21 on clutch groove 211 rigid impact, from
The side for closing the non-drive direction of groove 211 sets wedge surface, facilitates the transition of clutch projection 401 embedded and exits.
As shown in figure 11, the clutch realization that the axial slip of clutch 4 is connected by clutch, the clutch bag
Include the first control rotating part 41, second control rotating part 42, clutch 4, rotary support member 44, clutch control seat 45, clutch base
46th, the part such as spring 47.Wherein first control rotating part 41, second control rotating part 42 and rotary support member 44 be used to inputting control from
The rotary motion of clutch, clutch control seat 45 and clutch base 46 are used to rotary power is converted into axle by cam drive
Xiang Li, and then promote clutch 4 to move axially, realize clutch action.Spring 47 is used for the return of clutch 4.
Referring to Figure 12, the first control rotating part 41 in the present embodiment is engaging power input component, is divided into two sections, wherein one section
For cylinder, the first control rotating part 41 is sleeved on the axletree 9 of internal speed changer by the barrel body rotation, connected with engaging power system
Connect, the first control rotating part 41 is rotated by the driving of engaging power system around axletree, another section of extended centre wheel control-rod
4102, centre wheel locking and unblock for planetary gear train in Synchronization Control internal speed-changing.
Referring to Figure 13, Figure 14 and Figure 15, the second control rotating part 42 is passed by rotary support member 44 and the first control rotating part 41
Dynamic to connect, the second control rotating part 42 and rotary support member 44 in the present embodiment are the power biography that engaging power is transferred to clutch
Moving part, the second control rotating part 42 is barrel components, and for power to be transferred into clutch, rotary support member 44 is rotary support knot
Structure, for supporting the second control rotating part 42 and passing power.
Referring to Figure 14 and Figure 15, rotary support member 44 is sleeved on the first control rotating part 2, in the cylinder of the first control rotating part 41
Body end portion is provided with symmetrical first transmission groove 4101, and it is raised to be provided with corresponding first transmission in the inner ring of rotary support member 44
4404, the first transmission projection 4404 and the first transmission groove 4101 are chimeric, realize the first control rotating part 41 and rotary support member 44
Between circumferential power transmission.
The entirety of second control rotating part 42 uses tube structure, and assembling is rotated coaxially with rotary support member 44.
Rotary support member 44 is provided with some second control rotating part installation projections 4401, the second control rotating part installation projection
4401 are arranged on same circumference by the center of circle of the axis of rotation of rotary support member 44, the size of the circumference and the second control rotating part
42 cylinder internal diameter matching, the excircle that the second control rotating part 42 turning set is formed mounted in the second control rotating part installation projection 4401
On.Meanwhile symmetrical two the second transmission grooves 4201 are provided with the end face of the second control rotating part 42, in the second control rotating part peace
Fill to also set up outside the excircle of projection 4401 and second control is sleeved on by the corresponding second transmission projection 4402, the second control rotating part 42
While the excircle that rotating part installation projection 4401 processed is formed, the second transmission projection 4402 and the phase of the second transmission groove 4201
It is mutually chimeric, realize that rotary support member 44 and second controls the axial power transmission between rotating part 42.Symmetrical two transmissions tongue
Separately design and differ for width with transmission projection, can only have a kind of assembly method, fool-proof design during assembling.
The axial direction of second control rotating part 42 is provided with the sliding recess 4202 of the limitation axial slip of clutch 4.
In actual applications, it is convex can also to be inserted into the installation of the second control rotating part by its excircle for the second control rotating part 42
, can be in the inner surface of the second control rotating part installation projection 4401 according to the difference of mounting means in the inner periphery that block 4401 is formed
Or outer surface can be set to corresponding cambered surface, it is easy to be rotatably assorted with the second control rotating part 42.
Between the first control rotating part 41 and rotary support member 44 in the present embodiment and rotary support member 44 and second is controlled
The position relationship of drive lugs and transmission groove between rotating part 42 processed can be exchanged mutually.
The external diameter of rotary support member 44 is additionally provided with the second torsion spring installation projection 4403, for installing torsion spring, makes the first control
Return after the rotary power component that rotating part 41, second controls rotating part 42 and rotary support member 44 to form rotates.
Referring to Figure 16 and Figure 17, the clutch control seat 45 in the present embodiment is fixedly set on axletree 9, which is provided with convex
Wheel construction 4501.The inner circle of clutch control seat 45 is divided into three parts, and a portion is that axletree installs segmental arc 4502, with axletree
9 periphery contact, symmetrical circumferentially positioned projection 4504 is provided with the both ends of axletree installation segmental arc 4502, with being set on axletree
Axially grooved correspondence, the circumferentially positioned installation between clutch control seat 45 and axletree 9 is realized, control-rod is taken turns centered on remaining
Through segmental arc 4503, the radius of the segmental arc is more than the radius of axletree, can with axletree outer circumferential into an arc space after assembling
For controlling the centre wheel locking of internal speed changer planetary gear train and the centre wheel control-rod of unblock to pass through.
In the present embodiment, centre wheel control-rod 4102 is wholely set with the first control rotating part 41, centre wheel control-rod
4102 are sticked on axletree, with first control rotating part 41 action can be rotated around axle axis, Synchronization Control distal end first in
The ratchet locking of heart wheel and closing, while be provided for controlling near-end the second centre wheel ratchet in the inner circle of the second control rotating part 42
The second ratchet controller 622, while controlling clutch, realize respectively to the control of the two-way clutch of double centre wheels.In addition, the
Two revolving part ends can be also connected with the rotation control means of centre wheel locking and unblock, for using in multi-joint planetary gear train
Other centre wheels of speed changer carry out locking and conciliate lock control.
Clutch base 46 in Figure 11 is used to assemble clutch 4, while controls rotating part 42 and clutch control with second respectively
Seat 45 processed connects, the conversion realized the rotary motion of clutch process and be axially moved.
Specifically, clutch 4 is sleeved on the excircle of clutch base 46, be provided with clutch base 46 correspond to respectively from
The axial positioning structure at clutch both ends, limit axial displacement of the clutch 4 on clutch base 46.The present embodiment has suffered clutch
Axial positioning structure is divided into the clutch limiting step for being arranged on the end of clutch base 46, and is arranged on the clutch other end
Jump-ring slot, the both sides axial movement of clutch is limited by installing jump ring and clutch limiting step, while the two of clutch 4
End face is respectively provided with the pad of annular, reduces friction of the clutch with clutch base axial positioning structure in rotation process is combined.
The inner ring of clutch base 46 is provided with two groups of symmetrical clutch spacing block sets 4601, and clutch spacing block set 4601 slides
The sliding recess 4202 of two groups of axial directions on embedded second control rotating part 42, and can be slid axially along sliding recess 4202.
The second transmission groove 4201 and sliding recess 4202 on the second control rotating part 42 of the present embodiment may be provided at together
In one cell body, the quantity of part fluting is reduced, improves part strength.First by the clutch spacing block set on clutch base 46 during installation
4601 load, then the second control rotating part 42 is assembled by the second transmission groove 4201 with rotary support member 44.
Clutch spacing block set 4601 on clutch base 46 after the sliding recess 4202 of embedded second control rotating part 42,
Extend to and contacted with two groups of cam structures 4501 on clutch control seat 45, supported by the first control rotating part 41, rotation
While the rotational movement clutch base 46 that part 44 and second controls rotating part 42 to transmit rotates, on clutch control seat 45
Cam structure face promote (or spring promotion) clutch base 46 slid axially along sliding recess 4202, realize clutch
4 axial action, and then complete clutch action.
The compression of spring 47 is arranged between clutch base 46 and rotary support member 44, and the clutch on clutch base 46 is spacing
Projection 4601 is pressed on the cam structure 4501 of clutch control seat 45 all the time.
Referring to Figure 18, the clutch 4 in the present embodiment be arranged on planet carrier 21 inside free wheel base 11 and internal speed changer it
Between, the one end of planet carrier 21 is directly assembled with one end part empty set of free wheel base 11, and clutch 4 is sleeved on using circular ring type member slide
On axletree, some groups of clutch projections 401 are provided with the circumference of clutch 4, clutch projection 401 is inlaid in the clutch of free wheel base 11
In device mounting groove 1101, end of the clutch mounting groove 1101 along free wheel base 11 and the empty set of planet carrier 21 is axially arranged, clutch 4
Can be along the axial slip of clutch mounting groove 1101, planet carrier 21 end of the empty set on free wheel base 11 is circumferentially arranged with some right
The clutch groove 211 of clutch projection 401 is answered, clutch 4 is realized embedded or de- by the clutch axial slip of the present embodiment
Luxuriant conjunction groove 211, realizes the separation and engagement between free wheel base 11 and planet carrier 21.
Describe the clutch operating process of the present embodiment in detail below in conjunction with Figure 19 and Figure 20.
As shown in figure 19, operating mechanism driving rotary support member 44 turns an angle, and drives the first control He of rotating part 41
Second control rotating part 42 rotates equal angular, while the second control rotating part 42 drives the rotation of clutch base 46, in clutch control
Under the cam engagement effect of seat 45 processed, promotion clutch spacing block set a to high position for cam structure, clutch base 46 is promoted to the right,
The clutch 4 assembled thereon is together pushed away to the right, realizes the power separation between free wheel base and planet carrier.
As shown in figure 20, operating mechanism driving rotary support member 44 turns round equal angular, drives the first control He of rotating part 41
Second control rotating part 42 turns round equal angular, and the second control rotating part 42 drives clutch base 46 to turn round, and clutch spacing block set is in bullet
The low level of cam structure is returned in the presence of spring, clutch base 46 is promoted to the left, by the clutch 4 assembled thereon together to the left
Push away, realize the power engagement between free wheel base and planet carrier.
Describe the technical scheme of the centre wheel two-way clutch control assembly of the present embodiment in detail below in conjunction with Figure 21 to Figure 29.
Referring to Figure 21 and Figure 22, the first centre wheel 231 that centre wheel two-way clutch control assembly is used to realize in diagram,
Second centre wheel 232 realizes locking and unblock between axletree 9 respectively during rotating.It is signified in the present embodiment
Locking refer to that centre wheel is circumferentially positioned between axle in a rotation direction, in the transmission process of planetary gear train, center
Wheel does not rotate together with axle.It is circumferentially positioned that unblock refers to that centre wheel does not have between axle, and centre wheel empty set is on axle, in planet
In train transmission process, centre wheel can be rotated freely.
As shown in figure 22, five speed internal gearboxes of the present embodiment are using double centre wheels, wherein the first centre wheel 231 and the
Two centre wheels 232 set one group of centre wheel two-way clutch controlling organization respectively, and control rotating part by the first of clutch respectively
41 and second control rotating part 42 to control clutch action.
Describe the concrete scheme of centre wheel two-way clutch controlling organization in detail by taking the first centre wheel 231 as an example.
The centre wheel Bidirectional releasing mechanism of first centre wheel 231 assembling includes the first ratchet 61, the second ratchet 62, the first spine
The ratchet controller 612 of pawl seat 611 and first.
On the concrete structure of ratchet, with reference to referring to Figure 23, the first ratchet 61 and the feature of the second ratchet 62 are symmetrical, including peace
Dress portion 6101, control unit 6102 and ratchet part 6103, the 3rd ratchet 61 ' of another centre wheel assembling and the knot of the 4th ratchet 62 '
Structure is similar to its, as shown in figure 24.
First pawl base 611 is used to install the first ratchet 61 and the second ratchet 62, while is additionally operable to and the first centre wheel 231
Inner ring rolling assembling.
Be nested in reference to referring to Figure 25, the inner ring of the first pawl base 611 by circumferentially positioned projection on axletree 9, with axletree 9 it
Between circumferentially positioned assembling.First ratchet 61 and the second ratchet 62 are symmetrically assemblied in the first pawl base 611 and are used for and the first centre wheel
On the circumference of 231 assemblings, the first pawl base 611, which is provided with, can accommodate space under ratchet released state, and symmetrically arranged the
One ratchet 61 and the second ratchet 62 are arranged on the first pawl base 611 by ratchet spring 614, keep the initial of two ratchets
To eject state, i.e., under the constraint without the first ratchet controller, the first ratchet 61 and the second ratchet 62 can be in ratchet bullets
The outer circumference surface of the first pawl base 611 is stretched out in the presence of spring 614, spine groove corresponding with the inner ring of the first centre wheel 231 is fitted together to.Close
Assembled in ratchet by ratchet spring and keep the technology of ejection state, can refer to the centre wheel of existing internal speed variator of bicycle
Ratchet control technology, the present embodiment will not be described here.
The installation portion 6101 of first ratchet 61 and the second ratchet 62 is part cylindrical, and column part is assemblied in the first ratchet
In the ratchet mounting groove 6111 of seat 611, and it can realize that the Partial angle of ratchet is swung；The control of first ratchet 61 and the second ratchet 62
Portion 6102 processed is then used to contact with the first ratchet controller 612, and the first ratchet controller 612 is real by the control unit 6102 of ratchet
The constraint of existing ratchet is spacing；The ratchet part 6103 of first ratchet 61 and the second ratchet 62 is used for after ejecting and the first centre wheel 231
The spine groove 2311 of inner ring is chimeric, realizes respectively to the locking in two rotation directions of centre wheel.
With reference to referring to Figure 26 to Figure 28, the first ratchet controller 612 and the rolling assembling of the first pawl base 611, it rotates dress
The circumferential zones of ratchet control unit 6102 of the position matched somebody with somebody after corresponding installation, by rotating the first ratchet controller 612 not
Influence whether the mutual movement relation between the first pawl base 611 and the first centre wheel 231.
Compacting segmental arc 6121 is provided with the inner ring that the first pawl base 611 assembles and upspring scarce in the first ratchet controller 612
Groove 6122, compacting segmental arc 6121 are used for the control unit 6102 for constraining ratchet, the first ratchet 61 or the second ratchet 62 are in into compacting
State, short slot 6122 of upspringing is used to release the constraint to the control unit 6102 of ratchet, at the first ratchet 61 or the second ratchet 62
In the state of upspringing.
The other end of first ratchet controller 612 is rotatably sleeved on axletree 9 as support, while can be by first
The axial plane installation inner ring of ratchet controller 612 sets ratchet control flume 6124, is controlled and revolved by ratchet control flume 6124 and first
Part 41 connects, and then drives the first ratchet controller 612 to rotate by clutch Rotable Control System.
The inner ring of first centre wheel 231 is uniformly provided with some spine grooves 2311, and the two sides of spine groove 2311 respectively can be with bullet
The ratchet part of the first ratchet 61 and the second ratchet 62 under the state of rising is fitted together to.
The compacting segmental arc 6121 of first ratchet controller 612 and short slot 6122 of upspringing are successively alternately along the first ratchet controller
612 inner ring is scattered in closed loop, and the control that intermediate incline 6125 is used to promote ratchet is respectively provided with the both ends of compacting segmental arc 6121
Portion, i.e. the first ratchet controller 612 can complete the control to the first ratchet 61 and the second ratchet 62 in both rotational directions.
As shown in Figure 27, the first ratchet controller 612 rotates counterclockwise, and the short slot 6122 of upspringing on right side is by the thereon
Two ratchets 62 are arranged to the state of upspringing, the spine groove 2311 of the inner ring of 6103 and first centre wheel of ratchet part 231 on the second ratchet 62
Side is fitted together to, and now the second ratchet 62 defines that the first centre wheel 231 rotates in an anti-clockwise direction, while the first ratchet controller
First ratchet 61 is compressed in the first pawl base 611 by the compacting segmental arc 6121 in 612 left sides by the control unit 6102 of ratchet,
Now rotation of first ratchet 61 not to the first centre wheel 231 forms limitation.
As shown in Figure 28, the first ratchet controller 612 is along indicators turn, the bullet of the upper left side of the first ratchet controller 612
Play short slot 6122 and release constraint to the first ratchet 61, make the first ratchet 61 for state of upspringing, in ratchet part and first thereon
The spine groove side of the inner ring of heart wheel 231 is fitted together to, and now the first ratchet 61 defines the first centre wheel 231 rotationally clockwise,
The second ratchet 62 is compressed on the by the compacting segmental arc 6121 on the right side of the first ratchet controller 612 by the control unit of ratchet simultaneously
In one pawl base 611, now rotation of second ratchet 62 not to the first centre wheel 231 forms limitation.
The compacting segmental arc 6121 of the first ratchet controller 612 in the present embodiment can be simultaneously by the first ratchet 61 and second
Ratchet 62 is in compacting state, the first centre wheel 231 is in idling conditions relative to the first pawl base 611.
Being arranged on the intermediate incline 6125 at compacting segmental arc 6121 both ends can ensure the first ratchet controller 612 any
Spine groove 2311 that can be by the control unit 6102 of ratchet by ratchet part 6103 from the first centre wheel 231 in one rotation direction
Middle release, thus realize continuous control of the first ratchet controller 612 to the first ratchet 61 and the second ratchet 62.
With reference to Figure 24 and Figure 29, the 3rd ratchet 61 ' and the 4th ratchet that the second centre wheel 232 in the present embodiment is installed
62 ' structure is similar with the first ratchet 61 and the second ratchet 62, corresponding second pawl base 621, the second ratchet controller 622
Set-up mode is identical with the first above-mentioned centre wheel 231, the second ratchet controller 622 by second control rotating part 42 be connected to from
Rotable Control System is closed, as shown in figure 13, realizes the two-way clutch control of the second centre wheel.
Five speed internal gearboxes of the present embodiment are using the planetary gear train of double centre wheels as transmission device, respectively by two groups
The locking of heart wheel and unblock, possess two groups two-way of transmission speed ratio, during centre wheel rotates in same direction, transmission direction from
The ring gear of planetary gear train is on the basis of possessing two groups of speed ratios on the drive path of planet carrier, when centre wheel is counter-rotational
Wait, transmission direction is also equipped with two groups of speed ratios from the planet carrier of planetary gear train to centre wheel, and realizing is not increasing transmission mechanism
On the basis of, improve the transmission speed ratio of planetary gear train.
Reference picture 21, in the present embodiment, the second centre wheel 232 of double centre wheels are set close to control terminal, its second spine
The connection directly circumferentially positioned with the second control rotating part 42 of pawl controller 622 is wholely set, and passes through the second control rotating part 42 and control
The rotary support member periphery connection at end processed, while the inner of the rotary support member and the control clutch action of the first centre wheel 231
First control rotating part 41 connects, by the first control rotating part 41 sequentially pass through the second pawl base 621 and the first pawl base 611 with
First ratchet controller 612 connects.
Referring again to Figure 12 and Figure 13, the first control rotating part 41 divides for rotating cylinder portion 4103, the and of centre wheel control-rod 4102
Control block 4104, on axletree 9, one end is connected the turning set of rotating cylinder portion 4103 by circumferential positioning structure and rotary support member
Connect, centre wheel control-rod 4102 axially extends from the barrel edge in rotating cylinder portion 4103, the centrally disposed wheel control of control block 4104
The extended end portion of bar 4102 processed.One section is provided with the installation inner ring of the second pawl base 621, the first pawl base 611 with axletree 9 directly
Footpath is more than the segmental arc of the diameter of axle, after by pawl base assembling on axle, one section of arc space is formed between the segmental arc and axle, in being available for
Heart wheel control-rod 4102 and control block 4104 pass through, and centre wheel control-rod 4102 has necessarily in the arc space
Rotational angle, the rotational angle of the first ratchet controller 612 of control is realized enough.
On axial plane installation inner ring 6123 of the first ratchet controller 612 with axle assembling, provided with one end and control block 4104
Chimeric ratchet control flume 6124, the centre wheel control-rod 4102 of the first control rotating part 41 pass through the second pawl base 621 and first
After pawl base 611, the control block 4104 of end is chimeric with the ratchet control flume 6124 of the first ratchet controller 612, the first ratchet
Controller 612 by axial plane install inner ring and it is chimeric after the rolling assembling of control block 4104 on axletree 9, control rotating part first
Under 41 rotation, the first ratchet controller 612 is driven to rotate.
, should when controlling the first centre wheel 231 and the second centre wheel 232 due to the planetary gear train feature of double centre wheels
The one of centre wheel of locking is held up to, while two centre wheels of locking can cause planetary gear train locked.
Describe the technical scheme of the operating mechanism in the present embodiment in detail below in conjunction with Figure 30 to Figure 35.
Referring to Figure 30, operating mechanism includes the first torsion spring 71, the second torsion spring 72, rotary driving member 73, first and controls rotating part
41st, the part such as axletree 9, steering assembly 76.
Wherein, rotary driving member 73 connects the first control inside steering assembly 76 and the internal speed changer outside internal speed changer
Rotating part 41, the rotational power transfer member between rotating part 41 is controlled for steering assembly 76 and first, outside internal speed changer
Steering assembly 76 controls the first control rotating part 41 inside internal speed changer to rotate, and realizes and performs machine to the speed change inside internal speed changer
The control of structure.
Referring to Figure 31, together turning set on axletree 9, is rotating rotary driving member 73 with rotation control mounting seat 731
Control mounting seat 731 is provided with the manipulation construction section 7311 for being used for installing steering assembly 76.
The main body of rotary driving member 73 and rotation control mounting seat 731 in the present embodiment is tubular structure, is being rotated
One end of driving member 73 sets two groups of axially disposed drive links 7301 with rotation control mounting seat 731, corresponding to revolve
The inner ring for turning control mounting seat 731 is provided with the manipulation transmission groove 7312 being fitted together to corresponding with the end of drive link 7301, by by two
Group drive link 7301 is embedded in manipulating transmission groove 7312, is realized between rotary driving member 73 and rotation control mounting seat 731
Circumferentially positioned connection.
The other end of rotary driving member 73 sets two groups of manipulations to be driven projection 7302, for by the rotary power of steering assembly
It is transferred to the first control rotating part 41.
Rotary driving member 73 and rotation control mounting seat 731 are located at the both sides of the second pearl frame 812 of internal speed changer respectively, the
Two pearl framves, the 812 circumferentially positioned free wheel base for being arranged on axletree 9, bicycle transmission system being connected for being rotatablely installed.
Referring to Figure 32, the inner ring of the second pearl frame 812 is provided with two group of second circumferentially positioned projection of pearl frame, with the groove on axletree 9
Chimeric installation, meanwhile, rotated in the runner assembly that rotary driving member 73 and rotation control mounting seat 731 form by sleeve 734
On axletree 9, the end of sleeve 734 is provided with groove, chimeric with the circumferentially positioned projection of the second pearl frame of the second pearl frame 812,
It is fixedly set on axletree 9.The drive link 7301 of rotary driving member 73 passes through the installation inwall and sleeve of the inner ring of the second pearl frame 812
734 form two symmetrical nearly semi arch passages, during rotary driving member 73 and rotation control mounting seat 731 rotate, two
Group control-rod 301 rotates in two semi arch passages.
The first torsion spring mounting groove 7303 is provided with along different axial locations and the second torsion spring is installed on rotary driving member 73
Groove 7304, it is respectively used to that the first torsion spring 71 and the second torsion spring 72 are installed.
Referring to Figure 33, rotary driving member 73 passes through the first torsion spring 71 and the fixed seat 732 of the circumferentially positioned installation on axletree
Connection, fixed seat 732 is ring component, and its inner ring is provided with the circumferentially positioned projection of fixed seat, axletree 9 is sleeved on for circumferentially positioned
Axially position groove in, it is raised that some the first torsion springs installations for being used to connect the first torsion spring are provided with the excircle of fixed seat
7322, the first torsion spring 71 uses spiral reed, and its spiral is inner and outer end is arranged respectively to coupler body, and hook is embedded in rotary drive respectively
On first torsion spring mounting groove 7303 of part 73 and the first torsion spring installation projection 7322 of fixed seat 732.
A torsion spring connecting seat 733 is also coaxially provided with fixed seat 732, for the first torsion spring 71 and the second torsion spring 72 to be divided
Open.The first torsion spring positioning convex of the arc convex, wherein inner ring of some bendings of inside and outside two circle is provided with torsion spring connecting seat 733
7331 inner rings formed are used for the outer ring for accommodating the first torsion spring 71, the connecting seat circumferentially positioned raised 7332 and fixed seat of outer ring
The first torsion spring installation projection on 732 alternates nesting 7322 on same circumference, forms torsion spring connecting seat 733 and solid
Circumferentially positioned between reservation 732, the first torsion spring 71 can be directly hooked on connecting seat circumferentially positioned raised 7332, realized and fixed
Connection between seat 732.
Referring to Figure 34, rotary driving member 73 is supported by the second torsion spring 72 with the rotation that the first control rotating part 41 is connected simultaneously
Part 44 connects, and rotary support member 44 is used to transmit with the first control 41 circumferentially positioned connection of rotating part, transmission rotary driving member 73
Rotary power, while multiple shift control rotating parts can be connected simultaneously, manipulated while realizing multiple transmission actuators.
The outer ring of rotary support member 44 is provided with the second torsion spring installation projection 4403 for connecting the second torsion spring, and second turns round
Spring 72 is similar to the first torsion spring, and using spiral reed, its spiral is inner and outer end is arranged respectively to coupler body, and hook is embedded in rotation respectively
On second torsion spring mounting groove 7304 of driving member 73 and the second torsion spring installation projection 4403 of rotary support member 44.
As shown in figure 14, the inner ring of rotary support member 44 sets the first transmission projection 4404, the first control main body of rotating part 41
Cylinder, its inner ring diameter is identical with the inner ring diameter of rotary support member 44, and its one end is provided with raised 4404 pairs with the first transmission
The first transmission groove 4101 that should be fitted together to, the first transmission groove 4101 and first are driven the rotary support member after projection 4404 is fitted together to
44 and first control the unitary rotation of rotating part 41 to be sleeved on axletree 9, and the other end of the first control rotating part 41 sets control block 4104
And the two-way clutch control assembly of the first centre wheel extended to inside internal speed changer.On the excircle of rotary support member 44 also
The two-way clutch control assembly of some circumferential protrusions, drive connection to clutch and the second centre wheel is set.
The first torsion spring 71 and the second torsion spring 72 in the present embodiment are respectively provided in damping during gear shift operation, while accumulation of energy
Power as the return of rotary driving member 73.
With reference to referring to Figure 33 to Figure 34, wherein the second torsion spring 72 also serves as the transmission for driving the first control rotating part 41 to rotate
Part, the second torsion spring mounting groove 7304 on rotary driving member 73 are arranged on the side for manipulating transmission projection 7302, the first control rotation
After first transmission groove 4101 of part 41 is circumferentially chimeric with rotary support member 44, one section and the front end of rotary driving member 73 can be stretched out
It is chimeric to manipulate transmission projection 7302, manipulate transmission projection 7302 has rotation space between the first transmission groove 4101, is grasping
During shifting gears, rotary driving member 73 can drive rotary support member 44 by the second torsion spring and finally drive the first control
Rotating part 41 rotates.The torsion direction of first torsion spring 71 and the second torsion spring 72 rotates forward the direction phase of gearshift with rotating actuator
Instead, and the elastic force of the second torsion spring 71 should be more than the first torsion spring 72.
Shift process starting stage, rotary driving member 73 drive the second torsion spring 72 to send out first under the control of steering assembly
Raw elastic deformation, then the second torsion spring 72, which deforms caused elastic acting force, can drive rotary support member 44 and rotary driving member 73
Together rotate, realize the gear executing agency action of internal speed changer.
If in gear shift operation, when the transmission mechanism of cooperation is not in place, now gear executing agency can not in place, but
It is that rotary driving member 73 still is able to normal rotation, now the second torsion spring 72 and the first torsion spring 71 is done work, make its elastic deformation,
Now rotary driving member 73 and rotary support member 44 are not rotated due to the clamping stagnation of gear executing agency, when for corresponding gear
After transmission mechanism coordinates in place, now rotary driving member 73 and rotary support member 44 are under the elastic acting force of the second torsion spring 72
Rotate, control gear executing agency carries out gear shifting action.
The first torsion spring 71 in the present embodiment is used for the return for ensureing that rotary driving member 73 is rotated after gearshift.Normal conditions
Under, rotary driving member 73 by the second torsion spring 72 after driving rotary support member 44 and first to control rotating part 41 to rotate gearshift, meeting
In the presence of the return spring of gear executing agency, by the first control rotating part 41 and rotary support member 44 back through second
Torsion spring 72 drives the return of rotary driving member 73, but if now corresponding gear executing agency is not because of the in place of transmission mechanism
And clamping stagnation occurs, now rotary driving member 73 can be then unable to because of the clamping stagnation of the first control rotating part 41 and rotary support member 44
Normal return, in this case, the rotary driving member 73 of the present embodiment can be carried out under the elastic reaction of the first torsion spring 71
Return,
The bullet of rotary support member 44 that rotary driving member 73 is circumferentially connected by the second torsion spring 72 and the first control rotating part
Property drive connection, rotary driving member 73 manipulation transmission projection 7302 positioned at first control rotating part 41 the first transmission grooves
(with reference to referring to Figure 15) between 4101, and set between the first transmission groove 4101 of the first control rotating part 41 and passed for manipulating
The idle running distance that dynamic projection 7302 freely rotates, it is recessed in the first transmission that idle running distance can at least ensure that rotary driving member rotates
A gear is rotated in groove 4101.When tary control member 73 is shifted gears and rotated, rotary support member 44 is driven by the second torsion spring 72
Rotate, after the angle of a gear is rotated, if the first control rotating part or the gear shifting actuating mechanism of the second control rotating part connection are not
Generation clamping stagnation, then the elastic force of the second torsion spring 73 directly drive with rotary support member 44 be circumferentially connected first control rotating part or
Second control two orbit, if clamping stagnation occurs for gear shifting actuating mechanism, the elastic deformation of the second torsion spring 72 is persistently kept, Zhi Daohuan
The clamping stagnation for keeping off executing agency eliminates, and the elastic force of the second torsion spring 72 drives rotary support member 44 to rotate gearshift again, improves gearshift behaviour
The feel of work.
Referring to Figure 35, detachable be assemblied in of steering assembly 76 in the present embodiment is rotated in control mounting seat 731, including is drawn
Line seat 761, bracing wire guide plate 762, bracing wire guide holder 763 and limiting fixed seat 764.
With reference to referring to Figure 31, circumferentially positioned groove is provided with the inner ring of bracing wire seat 761, with rotation control mounting seat 731
Circumferentially positioned raised 7313 sliding gomphosis of bracing wire seat of construction section 7311 are manipulated, bracing wire driving bracing wire seat 761 is rotated and can driven
Rotation control mounting seat 731 and its rotary driving member 73 of connection rotate.
The circumference of bracing wire seat 761 is provided with the wire casing for being used for placing bracing wire, has U-lag, width ratio on the end face of bracing wire seat 761
Bracing wire joint diameter is bigger, after bracing wire joint fixes bracing wire tail end, can easily be put into U-lag and lock bracing wire one direction, U
Shape channel opening direction is flexibly set according to stayguy direction, from bracing wire seat toward the second pearl frame direction in terms of, when bracing wire counterclockwise draw
During dynamic bracing wire seat, U-lag towards the right, it is on the contrary then towards the left side, the speed internal gearbox of the present embodiment five is using counterclockwise pulling drawing
Line seat；Screw hole can be also provided with the end face of bracing wire seat 761, circumference wire casing is passed through by mounting screw, limits bracing wire from line
Deviate from groove.
The inner circle of limiting fixed seat 764 has flat position immovable fitting on two symmetrical planes, with axle, realizes circumferentially, spacing solid
The cylindrical of reservation 764 is ladder circle, and wherein diameter has two symmetrical flat positions compared with roundlet, for circumferential fixed with bracing wire guide plate 762
Position assembling, there is the jump ring circular groove to jump ring 7641 for installation axle thereon.
There are two planes on the inner headed face of bracing wire guide plate 762, fasten and assemble with the flat horizontal surface of limiting fixed seat two, bracing wire is oriented to
One of end face of plate 762 is spacing by the shaft shoulder on limiting fixed seat 764, and other end is spacing solid by axial jump ring 7641
It is fixed；The stock tail end of bracing wire guide plate 762 has a rectangular block raised, coordinates with the rectangular channel on bracing wire guide holder 763, and bracing wire is led
A hole for Gong being drawstring through is provided with to seat 763, bracing wire is passed through by joint from the hole, the circumference wire casing on bracing wire seat 761,
Tail end is fixed by bracing wire joint, is positioned in the U-lag of bracing wire seat 761.
During installation, the joint of bracing wire is first anchored on bracing wire tail end, bracing wire joint is put into the U shape grooves of bracing wire seat 761
It is interior, rotation bracing wire seat 761, the rectangular channel of bracing wire guide holder 763 is put on the rectangular preiection of bracing wire guide plate 762, simple side
Just.
Positioning shaft shoulder 7314 is provided with the manipulation construction section 7311 of rotation control mounting seat 731, for bracing wire seat 761
Axially position, limiting fixed seat 764 are securely fitted on the outer end axletree of rotation control mounting seat 731, led in the end of axletree
The overall axially position of operating mechanism and internal speed changer internal structure, bracing wire guide holder can be realized by crossing the shaft end such as nut locking member
763 are fixed on limiting fixed seat 764 by bracing wire guide plate 762, pass through the axial axial restraint of jump ring 7641.Pass through dismounting
Axial jump ring 7641 on limiting fixed seat 764, bracing wire guide plate, bracing wire guide holder etc. can be torn open from limiting fixed seat 764
Under, then bracing wire seat 761 is pulled down from rotation control mounting seat 731, realizes that steering assembly is integrally pulled down from internal speed changer,
Without influencing whether the drive mechanism inside internal speed changer, fast assembling-disassembling steering assembly or flywheel are realized.
The bracing wire seat 761 of steering assembly 76 is connected by bracing wire with rotation controling mechanism, the rotation control in the present embodiment
Mechanism can realize that Zhi Bo mechanisms and switching mechanism are that bicycle is conventional zero by the Zhi Bo mechanisms or switching mechanism of bicycle
Part, those skilled in the art can be selected according to actual design requirement, and the present embodiment is not gone to live in the household of one's in-laws on getting married with its concrete technical scheme herein
State.
During the internal speed changer of operation the present embodiment, by process of the speed of internal speed changer than carrying out downshift from high to low
In, drive bracing wire seat the first torsion spring and the second torsion spring is stored power by bracing wire, control the clutch of clutch and centre wheel to coordinate and close
System, more gears output of internal speed changer is realized, such setting can make more laborsaving in downshift operating process.
By the rolling assembling of the second pearl frame 812 on axletree 9, one end of flower-drum 31 leads to free wheel base 11 in the present embodiment
The rolling assembling of the first pearl frame 811 is crossed on free wheel base 11, the other end by the rolling assembling of the 3rd pearl frame 813 on axletree 9, will in
Duplex planet train, clutch, centre wheel two-way clutch control assembly and the overdrive clutch component in portion etc. are encapsulated in flower-drum housing
It is internal.
First seal 801 and second seal 802 are provided between flower-drum 31 and free wheel base 11, in free wheel base 11 and behaviour
The 3rd seal 803 is provided between the steering assembly of vertical mechanism 7, is provided between the rotary driving member and axletree 9 of steering assembly 7
4th seal 804, the 5th sealing ring 805 is provided between flower-drum 31 and axletree 9, is realized close inside five speed internal gearboxes
Envelope, avoid external dust and water from immersing inside internal speed changer, while lubricating oil can be loaded in the inside of internal speed changer, improve transmission
The transmission lubrication performance of device.
Embodiment two
The present embodiment and the difference of embodiment one are that the operating mechanism of the present embodiment uses Electronic control, below
Describe the technical scheme of the electric operation mechanism in the present embodiment in detail with reference to Figure 36 to Figure 44.
Referring to Figure 36, the electric operation mechanism in the present embodiment specifically includes control torsion spring 74, rotary driving member 73, the
One control rotating part 411, second controls the parts such as rotating part 42, axletree 9, electrically-controlled component 75, adaptor 77, gear positioning seat 771.
Wherein, the effect of rotary driving member 73 is identical with embodiment one, connects the electrically-controlled component outside internal speed changer respectively
75 and internal speed changer inside shift control rotating part, the rotary power transfer part between electrically-controlled component 75 and shift control rotating part
Part, the shift control two orbit inside internal speed changer is controlled by the electrically-controlled component 75 outside internal speed changer, realize and internally become
The Electronic control of transmission actuator inside fast device.
Together turning set is on axletree 9 with rotation control mounting seat 731 for rotary driving member 73, by rotating control installation
Seat 731 is connected with the electrically-controlled component 75 set outside internal speed changer, is provided with rotation control mounting seat 731 and is used to connect electricity
Control the manipulation construction section 7311 of component 75.
Connection between rotary driving member 73 in the present embodiment and rotation control mounting seat 731 and with the second pearl frame
812 and axletree 9 assembling it is identical with the assembling scheme in embodiment one, the present embodiment does not repeat.
Rotary support member 44 and first in the present embodiment controls rotating part 41 identical with embodiment one, and the present embodiment is no longer superfluous
State.
Referring to Figure 37 and Figure 39, the same circumference of rotary support member 441 in the outer part is provided with some circumferentially positioned grooves, and second
Control rotating part 42 is cylindrical member, and some adaptor circumferentially positioned projections chimeric with above-mentioned circumferentially positioned groove are provided with its one end
4203, adaptor circumferentially positioned raised 4203 realizes the same of the circumferentially positioned assembling of the second control rotating part 42 and rotary support member 44
When, it is additionally operable to circumferentially assemble with other adaptor.The other end and the embodiment one of second control rotating part 42 be provided with identical with
The gear shifting structure that another group of gear executing agency coordinates in internal speed changer.
As shown in figure 37, pass through between the present embodiment is sleeved on axletree rotary driving member 73 and rotary support member 441
Spiral control torsion spring 74 connects, and control one end is articulated in the manipulation transmission projection 7302 of rotary driving member 73 simultaneously
With the same side of the control torsion spring installation projection 4405 of rotary support member 441, control the other end of torsion spring while be articulated in rotation
The opposite side of the manipulation transmission projection 7302 of driving member 73 and the control torsion spring installation projection 4405 of rotary support member 441, control
After the installation of torsion spring 74, rotary driving member 73 rotates, and drives control spring 1 to deform, and caused by controlling torsion spring 74 to deform
Elastic force drives the first control rotating part 41 and second of rotary support member 441 and its connection to control rotating part 42 to rotate.
The effect of control torsion spring 74 in the present embodiment is similar to the effect of the second torsion spring in embodiment one, as two
Group control two orbit gearshift elastic transmission, and play a part of shift gears clamping stagnation when buffering delay, unlike, this reality
Apply the bullet that the control torsion spring 74 of example can be formed between rotary driving member and rotary support member in positive and negative two rotation directions
Property transmission.
Referring to Figure 38, the second control rotating part 42 in the present embodiment is meeting and 44 circumferentially positioned connection of rotary support member
Afterwards, while also be both circumferentially connected with adaptor 77, adaptor 77 and the gear positioning seat 771 that is fixed on axletree 9 it
Between rolling assembling, between adaptor 77 and gear positioning seat 771 be provided with elasticity set locking ball 774, the adaptor
77 or gear positioning seat 771 on be circumferentially arranged with the steel ball locating slots of some receiving locking balls, the angle between steel ball locating slot
The anglec of rotation spent between each gear of shift control rotating part control is consistent, controls gearshift to perform in shift control rotating part
Mechanism in place after, locking ball can be embedded in steel ball locating slot, realize shift control rotating part positioning keep.
With reference to referring to Figure 38 to Figure 41, the adaptor circumferentially positioned raised 4203 of the second control rotating part 42 in the present embodiment
After circumferentially being assembled with rotary support member 44, end is stretched out circumferentially to be connected with adaptor 77 simultaneously, is set in the inner ring of adaptor 77
Have and circumferentially positioned raised 4203 circumferentially chimeric adaptor detent 7701 of adaptor, the radially uniform arrangement of adaptor 77
There are four groups of steel ball mounting holes 7703, a circle pressure spring slot 7702, pressure spring slot 7702 and institute are provided with the external peripheral surface of adaptor 77
There is steel ball mounting hole 7703 to connect, locking ball 774 is inlaid in the inner of steel ball mounting hole 7703, is nested with pressure spring slot 7702
There is stage clip 773, the present embodiment sets two groups of locking balls, and two groups of steel ball mounting holes 7703 are then used for the both ends of stage clip 773 in addition
Fixed mounting, stage clip 773 is generally in elasticity tension state, while from outside, limitation locking ball 774 moves, at any time to fixed
The trend of position 774 oriented inner side of steel ball extruding.
Adaptor 77 and the coaxial package of gear positioning seat 771, the inner ring of gear positioning seat 771 are provided with gear positioning seat circumference
Projection 7711, with the circumferential chimeric installation of the groove on axletree, contacted in gear positioning seat 771 with adaptor 77 on the outer ring assembled
Provided with some groups of steel ball locating slots 7712, the locking ball 774 in steel ball mounting hole 7703 is determined in the presence of stage clip to steel ball
Extruded in the groove 7712 of position.The position of steel ball locating slot 7712 and the gear positions of internal speed changer correspond, i.e., in internal speed changer
Random shift position when, locking ball 774 can be embedded into unique one and dry ask in locating slot.
The outer ring of adaptor 77 is additionally provided with two groups of symmetrical rotary driving member spacing preiections 7713, for limiting rotary drive
The extreme rotational position of part.
Operation principle of the locking ball of the present embodiment in gear shift operation is described in detail below in conjunction with Figure 42 and Figure 43.
As shown in figure 42, when the gear shifting actuating mechanism in internal speed changer is in wherein any one gear, now transfer
The steel ball mounting hole steel ball locating slot 7712 corresponding with gear positioning seat 771 equipped with locking ball 774 aligns on part 77, this
When, locking ball 774 is changed adaptor 77 and its connection in embedded steel ball locating slot 7712 in the presence of stage clip 773
Gear control rotating part plays a part of positioning, and ensures to be switched to the accuracy of the gear positions from other gears.
As shown in figure 43, when operating mechanism control shift control two orbit is shifted gears, 77 turns of adaptor is driven
Dynamic, locking ball 774 rotates with adaptor 77, and locking ball 774 overcomes the elastic force of stage clip 773, from steel ball locating slot 7712
Skid off, along steel ball locating slot corresponding to the external peripheral surface running fix to another gear of steel ball positioning seat 81.
The two sides of steel ball locating slot 7712 are inclined-plane, are advantageous in shift process locking ball from steel ball locating slot
Skidded off in 7712；In addition, after steel ball enters the position on steel ball locating slot inclined-plane, even if now electrically-controlled component misses because rotating
Difference has controlled shift control rotating part to stop, and locking ball still can be embedded in steel ball locating slot 7712 along inclined-plane automatically, make gear control
Rotating part processed coordinates gear executing agency that the gear of internal speed changer is switched into correct position.
Referring to Fig. 1 and Figure 14, the electrically-controlled component 75 in the present embodiment includes motor 751, driving gear 752, driven gear
753rd, Hall sensor 754, the control part such as seat 755, electrically-controlled component are assemblied on control seat 755, control seat 755 by with
On axletree 9 in embodiment one outside the similar fixing assembling internal speed changer of limiting fixed seat 764, control seat 755 has removable
The control lid 7551 unloaded, it is easy to open to inside progress Maintenance and Repair.Control seat 755 is provided with wire hole 7552, for internal
The motor in portion is connected up.
Motor 751 is the power part of electric operation mechanism, is subtracted by what driving gear 752 and driven gear 753 were formed
The rotation control mounting seat 731 of fast gear pair and rotary driving member is connected, and driving gear 752 coaxially assembles with motor shaft,
Driven gear 753 is rotated coaxially with rotation control mounting seat 731, and some correspondences are provided with the turning circumference of driven gear 753
The magnet steel 7541 of gear positions, corner control can directly be carried out to driven gear 753 by Hall sensor 754, while will inspection
The position signalling measured is delivered to the control chip of motor, controlled motor stalling, electricity is controlled particularly with regard to by position sensor
Machine start and stop are conventional motor automatic control technology, and the present embodiment is not herein to the signal interconnection technique of Hall sensor and motor
Scheme is repeated.
Due to being relatively large in diameter for driven gear 753, the gear teeth on whole circumference will not be used during gearshift is rotated, this
Embodiment will be respectively equipped with driving wheel tooth section 7531 and positioning segmental arc 7532 on the same circumference of driven gear 753, wherein being driven
The gear teeth in gear teeth section 7531 engage with driving gear 752, position and corresponding internal speed changer gear positions are set in segmental arc 7532
Some magnet steel 7541, Hall sensor 754 are fixedly installed on the control seat of the side of driven gear 753, fixed relative to axletree
Set, the magnet steel position of rotation is detected.
In actual applications, also other such as proximity switches, microswitch or photoelectric sensor other positions can be used to pass
Sensor carries out position detection to the projective structure on driven gear 63, and the present embodiment does not carry out one to specific organization plan herein
One repeats.
It is securely fitted in reference to the control seat 755 referring to Figure 36, the present embodiment electrically-controlled component 75 by limiting fixed seat 764
On axletree, slided and be set with by non-circular structure between limiting fixed seat 764 and control seat 755, passed through on limiting fixed seat 764
The axial align member such as jump ring carries out axially position installation, the shaft end nut that limiting fixed seat 764 passes through axletree to control seat 755
Axially position, the inner ring of driven gear 753 is circumferentially assemblied in by circumferentially positioned groove in rotation control mounting seat 731, such as Figure 44
It is shown, automatically controlled circumferentially positioned raised 7313 slidable fit with rotation control mounting seat 731, mounting seat 731 is controlled in rotation
Upper setting positioning shaft shoulder carries out axially position to driven gear 753.The motor-operating mechanism of the present embodiment and the behaviour of embodiment one
Make that mechanism is identical, after the jump ring dismounting on limiting fixed seat 764, can by the control seat 755 of electrically-controlled component and inside from
Moving gear is directly exited from limiting fixed seat 764 and rotation control mounting seat 731, and electrically-controlled component is individually dismounted, and
The overall structure inside internal speed changer is not interfered with.
Realize that circumferential positioning structure lock that is circumferentially positioned or being circumferentially driven uses between all parts in the utility model
Mutually chimeric projection and groove, those skilled in the art the tune of position can be carried out according to actual conditions inside internal speed changer
Change.
As described in Figure 45, the flower-drum 31 of embodiment one and embodiment two is provided with brake installation portion in the opposite side of free wheel base
314, disc brake, brake holding, roller brake can be installed, the mounting flange for disc brake shown in Figure 45.
Below in conjunction with Figure 46 to Figure 50, describe embodiment one and five speed internal gearboxes in embodiment two in detail five keep off
Position working condition.
Referring to Figure 46, under a gear state, operating mechanism 7 controls clutch 4 to depart from free wheel base 11 and planet carrier 21,
As shown in figure 20, while the centre wheel two-way clutch control assembly of the first centre wheel 231 is controlled the first centre wheel 231 is dallied,
Controlling the centre wheel two-way clutch control assembly of the second centre wheel 232 makes locking on 232 one of direction of the second centre wheel.
Under one gear state, power is transferred to retainer, retainer from free wheel base 11 by the first single-direction transmission part of overdrive clutch component 5
Directly ring gear 22 is driven to rotate, planetary gear train now is by the passing power of the second centre wheel 232, and the first centre wheel 231 is not
Passing power, planetary gear train will export after power speed changing from planet carrier 21, and is transferred to flower-drum 31 and exports to vehicle wheel rotation.
Referring to Figure 47, under two gear states, operating mechanism 7 controls clutch 4 to depart from free wheel base 11 and planet carrier 21,
As shown in figure 20, while the centre wheel two-way clutch control assembly of the first centre wheel 231 is controlled to make the first centre wheel 231 wherein
Locking on one direction, the centre wheel two-way clutch control assembly of the second centre wheel 232 of control make the second centre wheel 232 dally.
Under two gear states, power is transferred to retainer from free wheel base 11 by the first single-direction transmission part, and retainer directly drives internal tooth
Circle 22 rotates, and planetary gear train now is by the passing power of the first centre wheel 231, the second centre wheel 232 not passing power, planet
Train will export after power speed changing from planet carrier 21, and is transferred to flower-drum 31 and exports to vehicle wheel rotation.
First, two gears are the gear that slows down, i.e., the rotating speed of flower-drum 31 is less than free wheel base 11, now the rolling in overdrive clutch component 5
Dynamic element is kept frame and is pushed into ring gear Lower tank, and ring gear separates with flower-drum, without power transmission.
Referring to Figure 48, under three gear states, operating mechanism 7 controls clutch 4 to engage free wheel base 11 and planet carrier 21,
As shown in figure 19, while the centre wheel two-way clutch control assembly of the first centre wheel 231 is controlled the first centre wheel 231 is dallied,
Controlling the centre wheel two-way clutch control assembly of the second centre wheel 232 makes the second centre wheel 232 dally.Under three gear states, move
Power is delivered to planet carrier 21 from free wheel base 11 by clutch 4, in the first centre wheel 231 and second of planetary gear train now
The not passing power of heart wheel 232, power are directly transferred to flower-drum 31 by planet carrier 21 and exported to vehicle wheel rotation, now free wheel base
11 and flower-drum 31 power for one to one export, no speed change, be direct gear.
Referring to Figure 49, under four gear states, operating mechanism 7 controls clutch 4 to engage free wheel base 11 and planet carrier 21,
As shown in figure 19, while the centre wheel two-way clutch control assembly of the first centre wheel 231 is controlled to make the first centre wheel 231 another
Locking on individual direction, the centre wheel two-way clutch control assembly of the second centre wheel 232 of control make the second centre wheel 232 dally.
Under four gear states, power is delivered to planet carrier 21 from free wheel base 11 by clutch 4, and planetary gear train now is by first
The passing power of heart wheel 231, passing power, planetary gear train will not export the second centre wheel 232 after power speed changing from ring gear 22, and
Flower-drum 31 is transferred to export to vehicle wheel rotation.
Referring to Figure 50, under five gear states, operating mechanism 7 controls clutch 4 to engage free wheel base 11 and planet carrier 21,
As shown in figure 19, while the centre wheel two-way clutch control assembly of the first centre wheel 231 is controlled the first centre wheel 231 is dallied,
Controlling the centre wheel two-way clutch control assembly of the second centre wheel 232 makes the second centre wheel 232 locking in the other directions.
Under five gear states, power is delivered to planet carrier 21 from free wheel base 11 by clutch 4, and planetary gear train now is by second
The passing power of heart wheel 232, passing power, planetary gear train will not export the first centre wheel 231 after power speed changing from ring gear 22, and
Flower-drum 31 is transferred to export to vehicle wheel rotation.
4th, five gears are speedup gear, i.e. the rotating speed of flower-drum 31 is more than free wheel base 11, the second single-direction transmission part on planet carrier
Exceeded the speed limit.Now the rolling element in overdrive clutch component 5 is pushed to a high position and contacted with flower-drum 31, transmits ring gear 22 and flower-drum
Power between 31, as shown in Figure 8 and Figure 9.
Following table one and planetary gear train action relationships and power transfer path that table two is five gears.
Table one, five keeps off action relationships table
| Gear | Clutch and planet carrier | Second centre wheel | First centre wheel |
| 5 | Engagement | Locking | Idle running |
| 4 | Engagement | Idle running | Locking |
| 3 | Engagement | Idle running | Idle running |
| 2 | Depart from | Idle running | Locking |
| 1 | Depart from | Locking | Idle running |
Table two, five keeps off power transfer path table：
Content involved by the utility model is not limited to above-described embodiment, is limited not departing from appended claims
The spirit and scope of the utility model in, in other occasions to the various applications made by the utility model, belong to this practicality
New protection domain.Meanwhile any those skilled in the art, do not departing from technical solutions of the utility model situation
Under, many possible changes and modifications, or modification are all made to the utility model using the technology contents of the disclosure above
For the equivalent embodiment of equivalent variations.Therefore, every content without departing from technical solutions of the utility model, according to the utility model
Technical spirit all should fall in the utility model technology to any simple modifications, equivalents, and modifications made for any of the above embodiments
In the range of scheme protection.
Claims (15)
- A kind of 1. internal speed changer, using planetary gear train as transmission device, it is characterised in that：Connected between the free wheel base of internal speed changer and the planet carrier of planetary gear train by clutch, meanwhile, the free wheel base passes through Overdrive clutch component is connected with ring gear；The planet carrier is connected by the flower-drum of the second single-direction transmission part and internal speed changer, and the ring gear of the planetary gear train passes through Overdrive clutch component is connected with flower-drum；Centre wheel two-way clutch control assembly is provided between the centre wheel and axletree of the planetary gear train；The clutch is connected with centre wheel two-way clutch control assembly by the operating mechanism of internal speed changer.
- 2. a kind of internal speed changer according to claim 1,The overdrive clutch component includes the first single-direction transmission part, retainer and some rolling elements, and the retainer rotates dress Assigned on ring gear, the free wheel base is connected by the first single-direction transmission part with retainer, and the rolling element is with overdrive clutch The arrangement of mechanism is uniformly arranged between ring gear and flower-drum, and it is convex that the ring gear between the rolling element is provided with transmission Rise, the circumference of the retainer is provided with some maintainance blocks, will be separated between rolling element and transmission projection.
- 3. a kind of internal speed changer according to claim 2,The first single-direction transmission part and the second single-direction transmission part use freewheel clutch.
- 4. a kind of internal speed changer according to claim 1,Rolling assembling between the free wheel base and planet carrier, the clutch slip are assemblied between free wheel base and planet carrier, institute State clutch to be circumferentially inlaid on free wheel base all the time, clutch is provided with some clutch projections, corresponding planet carrier circumferential position Clutch groove provided with chimeric clutch projection.
- 5. a kind of internal speed changer according to claim 1,The clutch also includes the first control rotating part, the second control rotating part, rotary support member, clutch control seat, clutch Seat and spring；The first control rotating part is connected with operating mechanism, and rolling assembling, on the axletree in internal speed changer, described second controls Rotating part processed is connected by rotary support member and the first control rotating part, and the clutch base and the second control rotating part are circumferentially positioned Connection, the clutch base while the assembling that also slid axially with the first control rotating part or the second control rotating part, the clutch control Seat processed is securely fitted on the axletree in internal speed changer, is connected between clutch control seat and clutch base by cam structure, The clutch base is connected with the spring compressed, and the clutch rolling assembling realizes free wheel base and planet on clutch base Clutch assembling between frame.
- 6. a kind of internal speed changer according to claim 5,The planetary gear train uses duplex planet train；The first control rotating part includes the centre wheel control-rod being sticked along axletree, and the centre wheel control-rod passes through clutch control The centre wheel two-way clutch control assembly of seat processed and distal end connects；The centre wheel two-way clutch control assembly of the second control rotating part and near-end connects.
- 7. a kind of internal speed changer according to claim 6,The centre wheel two-way clutch controlling organization includes the first ratchet, the second ratchet, pawl base and ratchet controller；The pawl base is circumferentially positioned to be assemblied on axletree, and corresponding centre wheel rolling assembling is on pawl base, first spine Pawl and the second ratchet are symmetrically mounted on the assembling circumference of pawl base and centre wheel, and it is bullet to keep two ratchets by ratchet spring Do well, limit two rotation directions of centre wheel respectively, the inner ring of the centre wheel is provided with corresponding two ejections ratchet and is fitted together to Spine groove；For the ratchet controller turning set on pawl base, its inner ring has the compacting segmental arc of compacting ratchet and ratchet of upspringing Upspring short slot；The ratchet controller is together connected with clutch with operating mechanism.
- 8. a kind of internal speed changer according to any one of claim 5-7,The operating mechanism includes steering assembly, rotary driving member and two groups of torsion springs；On axletree, one end is connected the rotary driving member rolling assembling with steering assembly, and the steering assembly controls with rotating Mechanism is connected, and control rotary driving member is rotated, and the other end is connected by the first torsion spring with the circumferential positioning structure on axletree, Also connected simultaneously by the rotary support member of the second torsion spring and clutch；The elastic force of second torsion spring is more than the first torsion spring.
- 9. a kind of internal speed changer according to claim 8,The steering assembly includes bracing wire seat, bracing wire guide plate, bracing wire guide holder and limiting fixed seat, the bracing wire seat and rotation Driving member is circumferentially connected, and the bracing wire guide holder is fixed on the spacing of rotation control mounting seat one end by bracing wire guide plate In fixed seat, the limiting fixed seat is circumferentially located on axletree, and passes through shaft end locking member axially position.
- 10. a kind of internal speed changer according to claim 8,The rotation controling mechanism is the Zhi Bo mechanisms that are connected by bracing wire with steering assembly bracing wire seat or switching mechanism, Huo Zhe electricity The automatic switching mechanism of machine control.
- 11. a kind of internal speed changer according to any one of claim 5-7,The operating mechanism includes electrically-controlled component and rotary driving member；The rotary driving member rolling assembling is on axletree, and one end is connected with electrically-controlled component, and the other end passes through with rotary support member Torsion spring is controlled circumferentially to be connected；The rotary support member and its control rotating part of connection and an adaptor are circumferentially connected, and the adaptor is with being fixed on Rolling assembling between gear positioning seat on axletree, the positioning steel that elasticity is set is provided between adaptor and the gear positioning seat Ball, the steel ball locating slots of some receiving locking balls are circumferentially arranged with adaptor or the gear positioning seat, and the steel ball is determined Angle between the groove of position and the anglec of rotation phase one between rotary support member and its each gear of the control rotating part control of connection Cause；The electrically-controlled component includes the motor that driving rotary driving member rotates.
- 12. a kind of internal speed changer according to claim 11,The locking ball is arranged in the steel ball mounting hole that adaptor inner ring is set, and the excircle of the adaptor is provided with pressure Spring groove, the pressure spring slot are located on the excircle where steel ball mounting hole, and the pressure spring slot is embedded to be cased with least one end and be fixed on Stage clip on adaptor, the stage clip are embedded in steel ball mounting hole, and steel ball is positioned to the steel ball being arranged on gear positioning seat Extruded in groove.
- 13. a kind of internal speed changer according to claim 12,The motor of the electrically-controlled component is connected by gear pair with rotary driving member, and the gear pair is speed reducing gear pair, described The driving gear of gear pair is connected with electric machine shaft driving, and driven gear is circumferentially connected with rotary driving member, the driven tooth Driving wheel tooth section is respectively equipped with the same turning circumference of wheel and positions segmental arc, setting and driving gear in the driving wheel tooth section The gear teeth of engagement, it is described to position the projections that some corresponding gear positions are disposed with segmental arc, on the outside of driven gear turning circumference The position sensor fixed with respect to axletree, to the raised progress roll angle inspection rotated with driven gear.
- 14. a kind of internal speed changer according to claim 9,The rotary driving member is connected by rotating control mounting seat with steering assembly, the rotary driving member and rotation control peace Dress seat, which rotates coaxially, to be sleeved on axletree and circumferentially positioned connection, the bracing wire seat are installed by dismountable circumferential positioning structure In rotation control mounting seat.
- 15. a kind of internal speed changer according to claim 13,The rotary driving member is connected by rotating control mounting seat with steering assembly, the rotary driving member and rotation control peace Dress seat, which rotates coaxially, to be sleeved on axletree and circumferentially positioned connection, the driven gear are pacified by dismountable circumferential positioning structure In rotation control mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006449.8U CN206636991U (en) | 2017-01-04 | 2017-01-04 | A kind of internal speed changer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006449.8U CN206636991U (en) | 2017-01-04 | 2017-01-04 | A kind of internal speed changer |
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| Publication Number | Publication Date |
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| CN206636991U true CN206636991U (en) | 2017-11-14 |
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| CN201720006449.8U Withdrawn - After Issue CN206636991U (en) | 2017-01-04 | 2017-01-04 | A kind of internal speed changer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266501A (en) * | 2017-01-04 | 2018-07-10 | 李激初 | Internal speed changer and its control method |
-
2017
- 2017-01-04 CN CN201720006449.8U patent/CN206636991U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266501A (en) * | 2017-01-04 | 2018-07-10 | 李激初 | Internal speed changer and its control method |
| WO2018126761A1 (en) * | 2017-01-04 | 2018-07-12 | 李激初 | Inner derailleur and control method therefor |
| CN108266501B (en) * | 2017-01-04 | 2024-04-02 | 广东洛梵狄智能科技有限公司 | Internal transmission and control method thereof |
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