CN209430753U - The locking type Synchronization Component of gear shift transmission and gear shift transmission for vehicle - Google Patents
The locking type Synchronization Component of gear shift transmission and gear shift transmission for vehicle Download PDFInfo
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- CN209430753U CN209430753U CN201821779399.8U CN201821779399U CN209430753U CN 209430753 U CN209430753 U CN 209430753U CN 201821779399 U CN201821779399 U CN 201821779399U CN 209430753 U CN209430753 U CN 209430753U
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Abstract
The utility model relates to a kind of locking type Synchronization Component of gear shift transmission, include synchronous ring, and the synchronous ring can rotate around variator axis and have locking engaging section and friction circle tapering；Disk is coupled, the disk that couples has shift engaging section, and the shift gear in the mounted state of locking type Synchronization Component with the energy of gear shift transmission around variator axis rotation is fixedly connected；And cooperation circular cone, it is described that conical abutment is cooperated to couple the frictional connection of composition and friction circle tapering when disk is axially moved in the friction circle tapering of synchronous ring and in synchronous ring direction, wherein cooperation circular cone basis in the mounted state of locking type Synchronization Component torsionally or is limitedly able to rotate ground along ring circumferential direction relative to the relative position of shift gear and can axially movably connect with the shift gear of gear shift transmission.In addition, the utility model also includes a kind of gear shift transmission for vehicle.
Description
Technical field
The present invention relates to a kind of locking type Synchronization Component of gear shift transmission, include synchronous ring, and the synchronous ring can enclose
It is rotated around variator axis and there is locking engaging section and friction circle tapering；Disk is coupled, there is the disk that couples shift to nibble
Conjunction portion and the gear for surrounding variator axis rotation with the energy of gear shift transmission in the mounted state of locking type Synchronization Component
Position gear is fixedly connected；And cooperation circular cone, the cooperation conical abutment is in the friction circle tapering for synchronizing ring and in synchronous ring
Towards the frictional connection for coupling composition and friction circle tapering when disk is axially moved.
Background technique
Usually become known for the synchronous gear shift transmission of the inertia-type of motor vehicle from the prior art.In these transmission mechanisms
In can occur under specific boundary condition: cannot be linked into or be only capable of for example in vehicle stationary state to be difficulty linked into first
It keeps off or reverses gear.The phenomenon occurs especially in the double-clutch speed changer with wet clutch, and especially due to by cold and
High trailing moment caused by sticky transmission oil, the trailing moment cause very high in locking type Synchronization Component
Separating force.
In some gear shift transmissions, first gear and reverses gear and be assigned the locking type synchronization group with multiple simultaneous mechanism
Part realizes that revolving speed is equal by multiple while effect, concentric frictional connection in the multiple simultaneous mechanism.Single same
It walks in mechanism and only realizes that revolving speed is equal by unique frictional connection, different from single synchronization mechanism, multiple simultaneous mechanism has bright
Higher synchronizing capacity is shown, and there is the separating torque that may be significantly smaller due to the locking slope with acute angle angle of lock.
However, multiple simultaneous mechanism is also that more consuming, difficulty are more greatly and obviously more expensive in structure.Because completely without multiple
Synchronizing capacity is improved in gear shift transmission, so the multiple simultaneous mechanism of this consuming is generally used only for: in vehicle transmission
All shift situations in ensure that locking type Synchronization Component no problem separates, and ensure that desired gear is reliably linked into.
Summary of the invention
The purpose of the present invention is realize that a kind of locking type Synchronization Component, the locking type Synchronization Component especially have single synchronization
Mechanism, the list synchronization mechanism structure simply form, and can nothing in all shifts of transmission for vehicles
Problem and reliably separated.
According to the present invention, the purpose passes through the locking type Synchronization Component realization that type is mentioned when beginning, wherein described match
Close circular cone has internal messing portion on radially inner side, and the internal messing portion has on the direction for couple disk at it along the tooth in ring week
The tooth to attenuate on width, and shift gear is coupled with external toothing portion, and the external toothing portion engages and has with internal messing portion
In the tooth that it attenuates along the tooth width in ring week on leaving the direction for couple disk, so that cooperation circular cone and shift gear are described
Limitedly be able to rotate mutually along ring circumferential direction in the installation condition of locking type Synchronization Component according to relative axial position ground or
It can connect torsionally and axially movably.Cooperate the bearing that is axially movable of the circular cone on shift gear can be according to completion
The synchronous reduction for realizing the frictional resistance in frictional connection of revolving speed so that can be by the friction circle tapering of synchronous ring
Relative rotation between cooperation circular cone separates locking type Synchronization Component.
Since cooperation circular cone can limitedly turn according to the relative axial position relative to shift gear relative to shift gear
It is dynamic, be further conducive to the relative rotation.Limited rotatably thus can be used for cooperating circular cone from initial position to separation
The rotation of position.
Due to the arrangement of the tooth to attenuate in internal messing portion and external toothing portion, cooperate circular cone relative to the limited of shift gear
Rotatably it is gradually reduced from initial position.In disengaged position, circular cone and shift gear is cooperated substantially to be torsionally connected.
According to locking type Synchronization Component embodiment, cooperate circular cone can between initial position and disengaged position axis
To movement, wherein compared in disengaged position, in cooperation circular cone and axial spacing between disk is being coupled more in initial position
Greatly.In the initial position of cooperation circular cone, friction circle tapering and cooperation circular cone can be separated from each other, on the contrary the institute in disengaged position
State friction circle tapering and the cooperation circular cone against each other.
In said embodiment it is also preferred that synchronous ring axially sticks on coupling in the disengaged position of cooperation circular cone
In united dish and/or stick on shift gear.Thus the frictional resistance in frictional connection is reduced to so that synchronous ring relative to
Cooperate circular cone torsion, and then locking type Synchronization Component can be separated without problems.
Preferably, the protrusion that synchronous ring has at least one axially extended relative to disk is coupled herein, wherein cooperating
In the disengaged position of circular cone, the contact surface of protrusion is sticked in the mating surface for coupling disk.It is particularly preferred that contact surface and cooperation
Face orients in parallel with each other in the case, and orients with being substantially perpendicular to variator axis.
According to another embodiment of locking type Synchronization Component, it is equipped with spring element, the spring element is to cooperation circular cone
Direction from disengaged position axially towards initial position carries out loading.
The open C-shaped ring that spring element for example can be radial flexible ring, especially consist of spring steel.As replacing
For scheme, also it is contemplated that using disk spring or other suitable spring elements.
Preferably, spring element is axially disposed at cooperation circular cone and couples between disk, wherein cooperation circular cone is via spring
Element, which is axially supported at, to be coupled on disk and/or is supported on shift gear.In the case, spring element is e.g. flat
, radial flexible and axial substantially rigid ring, the ring extends perpendicular to variator axis.
It is particularly preferred that spring element is clamped radially inward in the disengaged position of cooperation circular cone.
On the contrary, spring element can be substantially loose in the initial position of cooperation circular cone.As an alternative
It is contemplated that spring element is pre-tightened radially inward in the initial position of cooperation circular cone.Optionally, in addition it is equipped with axial stop
Block piece, the stop part axially away from coupling the movement limit of disk, and limit the axial initial of cooperation circular cone to cooperation circular cone
Position.
According to another embodiment of locking type Synchronization Component, cooperates circular cone that there is profile portion on radially inner side, matching
Spring element is slided along the profile portion in the case where spring element radial deformation when closing circular cone axial movement.
Preferably, the profile portion for cooperating circular cone includes synchronous slope, and the synchronous slope is in axial direction towards coupling
United dish is radially expanded, and wherein spring element pastes in the sync bit between initial position and disengaged position of cooperation circular cone
It leans against on the synchronous slope.
In addition, the profile portion of cooperation circular cone can include separated slope, in axial direction direction couples the separated slope
Disk is radially widened, and wherein spring element sticks in the separated slope in the disengaged position of cooperation circular cone.
Preferably, synchronous slope and separated slope are respectively provided with the slope of cone, wherein the coning angle on synchronous slope
Greater than the coning angle of separated slope.Due to the big coning angle on synchronous slope, ensure in the sync bit of cooperation circular cone reliable
Revolving speed it is synchronous.Conversely, because the small coning angle of separated slope ensures: spring element cooperation circular cone disengaged position in
The power radially outward acted on generates axial force component, and the force component will cooperate circular cone to be moved back to towards its axial initial position.Especially
It, the three times for the coning angle that the coning angle on synchronous slope is at least separated slope are big.
In addition, the present invention also includes the gear shift transmission for vehicle, the gear shift transmission has as described above
Locking type Synchronization Component and shift gear, the shift gear can rotate around variator axis and have axial protrusion
Portion, the protrusion have the external toothing portion, and wherein the cooperation circular cone of locking type Synchronization Component is arranged on radially inner side
Internal messing portion be joined in the external toothing portion of axial protrusion and cooperation circular cone be limitedly able to rotate ground or basic
On torsionally and axially displaceably connect with shift gear.In this way, it is established with low structure consumption same in locking type
It walks limitedly being able to rotate along ring circumferential direction or antitorque between cooperation circular cone and the shift gear of gear shift transmission of component
And the connection that is axially movable.
The switching of gear shift transmission with locking type Synchronization Component as described above may include following step:
A) using (gel ü fteten) neutral position of the ventilation of the locking type Synchronization Component as starting point, synchronous ring is added
Axial gear shifting force is carried, and keeps synchronous ring axially mobile towards the direction for coupling disk accordingly, up to friction circle tapering and is matched
It closes circular cone composition frictional connection and locking type Synchronization Component occupies lock position, wherein cooperation circular cone is in order to which revolving speed is synchronous and accounts for
According to axial sync bit and the whole that is supported on spring element via synchronous slope, and is wherein applied on synchronous ring
Gear shifting force imports in cooperation circular cone via frictional connection；
If b) gear shifting force applied in step a) is completed to be not enough to separate locking type synchronization group after revolving speed is synchronous
Part, then gear shifting force is increased to, so that in the case where spring element radial deformation is with being clamped, synchronous ring and cooperation circular cone
Be axially facing that couple disk mobile, until cooperation circular cone reaches axial disengaged position, in the disengaged position synchronous annulate shaft to
Ground, which sticks on, to be coupled on disk and/or sticks on shift gear, and gear shifting force be at least partly importing directly into couple disk and/
Or in power shift gear, so that the frictional resistance in frictional connection reduces, by between friction circle tapering and cooperation circular cone
Relative rotation separate locking type Synchronization Component, and then be linked into desired gear.
Cooperation circular cone can in axial direction be supported on clamped bullet in axial disengaged position via separated slope
On spring element, wherein the direction progress loading for coupling disk is axially distant to cooperation circular cone by spring element, and will cooperation
Circular cone is moved in its axial initial position after separation process terminates, so that locking type Synchronization Component occupies its ventilation
Neutral position.
Detailed description of the invention
Other features and advantages of the present invention are obtained from the following explanation referring to attached drawing of preferred embodiment.
It is shown in the accompanying drawings:
- Fig. 1 is shown through the vertical section of locking type Synchronization Component according to prior art；
Fig. 2 shows the parts of the locking type Synchronization Component according to the present invention in the axial initial position of cooperation circular cone；
- Fig. 3 shows the part of the locking type Synchronization Component according to fig. 2 in the axial sync bit of cooperation circular cone；
- Fig. 4 shows the part of the locking type Synchronization Component according to fig. 2 in the axially-apart position of cooperation circular cone；With
And
- Fig. 5 shows the external toothing portion of the shift gear of locking type Synchronization Component according to the present invention and cooperates the interior of circular cone
The schematic development views of the cooperation of engaging section.
Specific embodiment
Conventional shift change for vehicle is shown in the region of Fig. 1 locking type Synchronization Component 12 known in the prior art
Fast device 10.Locking type Synchronization Component 12 includes: synchronous hub 14, and the synchronous hub is torsionally placed on transmission shaft and along ring
Circumferential direction is rotated around variator axis A；The shift clutch collar 16 being torsionally connected with synchronous hub 14, the shift clutch collar phase
Synchronous hub 14 in axial direction 18 is movably disposed；Synchronous ring 20, the synchronous ring are used for synchronous hub 14 and shift
The power shift gear 22 of speed changer 10 is coupled via frictional connection；And pre-synchronization unit 24, the pre-synchronization unit, which is bonded on, to be changed
It keeps off on clutch collar 16 and loads when clutch collar 16 of shifting gears is moved axially to synchronous ring 20 towards the power shift gear 22 to be coupled
Axial shifting power F.
Synchronous ring 20 has locking engaging section 26 and friction circle tapering 28, and the friction circle tapering is configured to according to Fig. 1
Female cone.Synchronous ring 20 can be rotated around variator axis A and be coupled along ring circumferential direction and synchronous hub 14, wherein synchronous ring
20 can restrictively reverse relative to synchronous hub 14.Synchronizing ring 20 as a result, can be relative to synchronous hub 14 in known manner
Lock position is occupied, locking engaging section 26 prevents the axial movement of shift clutch collar 16 in the lock position；And it can
Releasing position is occupied, locking engaging section 26 allows the axial movement of shift clutch collar 16 in the releasing position, so that changing
Gear clutch collar 16 can be transformed on shift engaging section 30 associated with shift gear 22 and be linked into desired gear.
Disk 32 is coupled in general, being equipped with according to Fig. 1, the disk that couples has shift engaging section 30 and consolidates with shift gear 22
Surely it connects.However it as an alternative also can be by shift 30 direct forming of engaging section on shift gear 22.
In addition, locking type Synchronization Component 12, which has, is configured to the cooperation circular cone 34 of outer cone, the cooperation conical abutment in
The friction circle tapering 28 of synchronous ring 20, and ring 20 is being synchronized towards composition when coupling the axial movement of disk 32 and friction circle tapering 28
Frictional connection.The extra high desired frictional connection of frictional resistance in order to obtain, friction circle tapering 28 and cooperation 34 base of circular cone
Coning angle having the same in sheet, so that the friction circle tapering is pasted in face with cooperation circular cone when revolving speed is synchronous each other
It leans on.In order to further increase transferable moment of friction, friction circle tapering 28 and/or cooperation circular cone 34 are also with friction facings
36 coating.
In the embodiment known from the prior art according to the locking type Synchronization Component 12 of Fig. 1,32 He of disk is coupled
Cooperation circular cone 34 is constituted one-piece, and couple disk 32 and cooperation circular cone 34 in axial direction 18 and along ring circumferential direction and
Shift gear 22 is fixedly connected.As an alternative it is also known that following embodiments, wherein cooperation circular cone 34 or direct forming
On shift gear 22, or it is made for individual component and is then permanently connected with shift gear 22.
The general principle of work and power of gear shift transmission 10 with this locking type Synchronization Component 12 is from the prior art
In it is known that and being therefore then only illustrated in terms of its essential characteristic according to shift process.
Using the neutral position that do not put into gear according to the gear shift transmission 10 of Fig. 1 as starting point, such as via (unshowned)
Axial gear shifting force F is applied on shift clutch collar 16 by selector fork, so that towards the shift gear 22 for being associated with desired gear
30 direction of shift engaging section apply the gear shifting force.
Here, via pre-synchronization unit 24 by the friction circle tapering 28 of synchronous ring 20 be pressed on cooperation circular cone 34 and with
The cooperation circular cone constitutes frictional connection.
Revolving speed between synchronous hub 14 and shift gear 22 is not simultaneously as the frictional connection appears in synchronous ring 20
Relative rotation between synchronous hub 14.
Synchronous ring 20 occupies its lock position, and locking engaging section 26 prevents shift 16 axis of clutch collar in the lock position
It shifts gears on engaging section 30 to being moved to.The internal messing portion of shift clutch collar 16 is with the locking engaging section 26 of synchronous ring 20 at them
Axial end portion on be respectively provided with locking rake, due to the rotational speed difference in the lock position of synchronous ring 20, the locking inclines
Inclined portion fixedly against each other so that shift clutch collar 16 not can be carried out put into gear (Durchschalten).
When the extruding force between locking rake due to the revolving speed between synchronous hub 14 and shift gear 22 it is synchronous and
When reduction, gear shifting force F is just enough to reverse synchronous ring 20 and the internal messing portion for clutch collar 16 of shifting gears just passes through locking engaging section 26
It is moved on the shift engaging section 30 for coupling disk 32.Then, synchronous hub 14 and shift gear 22 are via shift clutch collar 16 along ring
Circumferential direction shape-ordinatedly and as far as possible seamlessly connects.
However it is certified be, in some shifts, even if it is same to separate locking type after revolving speed is synchronous
Component is walked, and then desired gear cannot be linked into.This is especially due to the high drag as caused by cold and sticky transmission oil
Square, and especially in the double-clutch speed changer with wet-type dual-clutch when vehicle to be linked under static state first gear or
Occurs such case when reversing gear.
In order to also ensure that desired gear is reliably linked into these shifts, propose a kind of relative to Fig. 1 change
, locking type Synchronization Component 12 according to the present invention and elaborate the locking type Synchronization Component to 5 according to fig. 2.Here,
Difference especially on research structure and functionally and same with reference to the locking type of the gear shift transmission 10 according to Fig. 1 in other respects
Walk the general embodiment of component 12.
The part of the locking type Synchronization Component 12 according to the present invention of gear shift transmission 10, the lock is shown respectively in Fig. 2 to 4
Only formula Synchronization Component includes synchronous ring 20, and the synchronous ring can rotate around variator axis A and have locking engaging section 26
And friction circle tapering 28；Couple disk 32, the disk that couples has a shift engaging section 30, and locking type Synchronization Component 12
It is described to couple disk with gear shift transmission 10 around variator axis A rotation in the state of being mounted in gear shift transmission 10
Shift gear 22 be fixedly connected.In addition, being equipped with cooperation circular cone 34, the cooperation conical abutment is in the friction cone of synchronous ring 20
Portion 28 and in synchronous ring 20 towards coupling the frictional connection constituted when disk 32 is axially moved with friction circle tapering 28, wherein
Locking type Synchronization Component 12 has been mounted in the state in gear shift transmission 10, and cooperation circular cone 34 is axially movable along ring circumferential direction
Ground is supported on the shift gear 22 of gear shift transmission 10.
There is the axial protrusion 38 with external toothing portion 40 as shown shift gear 22 in Fig. 2 to 4 also, and
And cooperation circular cone 34 has internal messing portion 42 on radially inner side, wherein engaging section 40,42 is engaged with each other and will cooperate circular cone
34 axially displaceably connect with shift gear 22.
From fig. 5, it can be seen that the tooth 40a, 40b, the 40c that only schematically show in external toothing portion 40 and internal messing portion 42
Illustratively it can be seen that tooth 42a, 42b it is attenuated for the tooth width in ring week.
Here, the direction to attenuate is opposite.Tooth 40a, 40b, the 40c in external toothing portion 40 become along the direction for coupling disk 32
Carefully.Correspondingly, tooth 42a, the 42b in internal messing portion 42 attenuate along the direction for coupling disk is left.
Therefore, cooperation circular cone 34 limitedly can according to relative to 22 relative axial position of shift gear relative to shift gear
Rotationally or substantially torsionally it is connected thereto.
Specifically, the cooperation circular cone 34 on the axial protrusion 38 of shift gear 22 can in initial position (Fig. 2) and
It is axially moved between disengaged position (Fig. 4), wherein compared in disengaged position, in cooperation 34 He of circular cone in initial position
The axial spacing coupled between disk 32 is bigger.
In its initial position according to fig. 2, cooperation circular cone 34 is separated with friction circle tapering 28.In other words, synchronous ring 20
The home position of its ventilation is occupied, and gear shift transmission 10 is located in its neutral position that do not put into gear according to Fig. 1.
In the position, cooperation circular cone 34 can be rotated relative to shift gear 22 with maximum amount.
On the contrary, cooperation circular cone 34 sticks on friction circle tapering 28 in its disengaged position according to Fig. 4.Furthermore matching
Close in the disengaged position of circular cone 34 synchronous ring 20 axially with couple disk 32 and directly contact.
In the position, circular cone 34 and shift gear 22 is cooperated substantially to be torsionally connected.In Fig. 5, tooth 42a, 42b are at this
It is represented by dashed line under state.
Specifically, synchronous ring 20 has at least one protrusion 44 axially extended relative to disk 32 is coupled, wherein protrusion
The contact surface 46 in portion 44 sticks in the mating surface 48 for coupling disk 32 in the disengaged position according to the cooperation circular cone 34 of Fig. 4.?
This, contact surface 46 and mating surface 48 preferably orient in parallel, and are directed essentially vertically relative to variator axis A.
The locking type Synchronization Component 12 to 4 also has spring element 50 according to fig. 2, and the spring element is to cooperation circular cone 34
Direction from its disengaged position axially towards its initial position carries out loading.
Spring element 50 is preferably radial flexible ring and is especially configured to open C shape ring in the present embodiment,
The C-shaped ring consists of spring steel.
Spring element 50 is axially disposed at cooperation circular cone 34 and couples between disk 32, wherein cooperation circular cone 34 is via bullet
Spring element 50, which is axially supported at, to be coupled on disk 32 and/or is supported on shift gear 22.Here, being configured to radial flexible
The spring element 50 of ring is especially flat, in axial direction 18 substantially rigid ring, and the ring is perpendicular to variator axis A
Extend.
It is adjacent to internal messing portion 42, cooperates circular cone 34 that there is profile portion 52 on radially inner side, it is axial in cooperation circular cone 34
Spring element 50 is slided along the profile portion in the case where 50 radial deformation of spring element when mobile.
The profile portion 52 for cooperating circular cone 34 includes circular synchronization slope 54, and the synchronous slope, which is axially facing, couples disk 32
Ground is radially expanded, and wherein spring element 50 is in cooperation circular cone 34 between initial position (Fig. 2) and disengaged position (Fig. 4)
Sync bit (Fig. 3) in stick on the synchronous slope 54.
In addition, the profile portion 52 of cooperation circular cone 34 includes the separated slope 56 circular along ring circumferential direction, the separated slope
It is axially facing and couples that 32 ground of disk is radially expanded, wherein spring element 50 sticks in the disengaged position (Fig. 4) of cooperation circular cone 34
In the separated slope 56.
The profile portion 52 of the radially inner side of circular cone 34 is cooperated enlargedly to show in the details part of Fig. 2.According to described thin
Section part is it is clear that synchronous slope 54 and separated slope 56 are axially adjacent to each other and be respectively provided with the slope of cone
Face, wherein the cone angle alpha on synchronous slope 54 is greater than the cone angle beta of separated slope 56.In particular, the cone angle alpha on synchronous slope 54 is extremely
Three times less for the cone angle beta of separated slope 56 are big.
In the embodiment of the locking type Synchronization Component 12 of gear shift transmission 10 shown, spring element 50 is in cooperation circular cone
It is substantially relaxation in 34 initial position according to fig. 2.However as an alternative, spring element 50 can also design
Radially-inwardly to be pre-tightened in the initial position of cooperation circular cone 34.
By attenuating for internal messing portion 42 and external toothing portion 40, when cooperation circular cone 34 and shift gear 22 via attaching respectively
The flank of tooth along when abutting against each other in ring week, i.e., when moment of friction acts between cooperation circular cone 34 and friction circle tapering 28, also produce
It is raw in the axial direction with shifting direction opposite effect power.
Therefore, in the case where having the locking type Synchronization Component in the external toothing portion 40 and internal messing portion 42 that attenuate, spring
50 may be embodied as it is relatively weak, to guarantee minimum required separating force.
This is to set up especially with respect to such locking type Synchronization Component: wherein internal messing portion 42 and external toothing portion 40 be not
With attenuating, therefore they have substantially straight tooth.
Also shown in Fig. 2 shaft to stop part 58, the axial stop part to cooperation circular cone 34 axially away from coupling
The movement limit of united dish 32, and limit the axial initial position of cooperation circular cone 34.The axial stop part 58 is for example by card
Ring is constituted, and the snap ring cooperates in the axially projecting portion 38 for being moved to shift gear 22 after circular cone 34 in installation, and blocks
It is connected in the groove in protrusion 38.It can be prevented by stop part 58 in the initial position of cooperation circular cone 34 with low cost
Undesirable trailing moment between friction circle tapering 28 and cooperation circular cone 34, or at least minimize the trailing moment.
That will cooperate circular cone 34, towards when coupling the axial movement of 32 direction of disk, spring element 50 will be along the diameter for cooperating circular cone 34
Profile portion 52 inwardly is slided and is deformed radially inwardly herein.Correspondingly, spring element 50 is in cooperation circular cone 34
It is clamped radially inward according in the disengaged position of Fig. 4.
Hereinafter, the shift process for describing gear shift transmission 10 to 4 according to fig. 2.
Using the neutral position of the ventilation of locking type Synchronization Component 12 according to fig. 2 as starting point, axis is applied to synchronous ring 20
To gear shifting force F, and synchronous annulate shaft is to mobile towards associated 32 direction of disk that couples, until friction circle tapering 28 and cooperation circle
Cone 34 constitutes frictional connection and locking type Synchronization Component 12 occupies its lock position.The tooth in internal messing portion 42 and external toothing portion 40
Therefore face is in contact.Here, cooperation circular cone 34 is moved in its axial sync bit according to Fig. 3 for revolving speed synchronization,
The cooperation circular cone described in the sync bit is supported on spring element 50 via synchronous slope 54, wherein being applied to synchronous ring
Whole gear shifting force F on 20 are imported in cooperation circular cone 34 via frictional connection.The cone angle alpha on synchronous slope 54 is selected as herein,
Spring element 50 is enabled to absorb the axial shifting power F to work in the synchronous phase and keep cooperation circular cone 34
In sync bit axially.
If it is synchronous that the gear shifting force F applied in synchronous phase is also not enough to separate locking type after revolving speed is synchronous
Component 12, then improve gear shifting force F below, so that synchronous ring 20 and cooperation circular cone 34 clamp and radial deformation in spring element 50
In the case where it is mobile axially towards disk 32 is coupled, until cooperation circular cone 34 reaches it according to the axial disengaged position of Fig. 4.
In the disengaged position, synchronous ring 20, which axially sticks on, to couple on disk 32 and at least partly directly leads gear shifting force F
Enter to couple in disk 32.The frictional resistance drop in frictional connection formed between friction circle tapering 28 and cooperation circular cone 34 as a result,
As low as so that tangential force being generated by axial gear shifting force F via locking rake, being applied on synchronous ring 20 give full measure with
Friction circle tapering 28 is reversed relative to cooperation circular cone 34.As described in frictional connection " skidding ", locking type Synchronization Component 12
It separates and clutch collar 16 of shifting gears is moved axially on shift engaging section 30.Although as a result, due to cold and sticky speed changer
Oil causes high trailing moment, is still linked into desired gear.
In this respect, internal messing portion 42 and external toothing portion 40 also move towards each other in the axial direction, so that cooperation 34 He of circular cone
Shift gear 22 is substantially torsionally connected to each other and (illustrates referring to the dotted line of tooth 42a, 42b).
In its axial disengaged position according to Fig. 4, cooperation circular cone 34 is supported on clamped via separated slope 56
On spring element 50, wherein circular cone 34 is axially distant from the direction progress loading for coupling disk 32 with 50 pairs of spring element.?
This, the cone angle beta of separated slope 56 is selected as, so that ensuring that circular cone 34 is cooperated to move axially to it according to figure when extracting gear
2 axial initial position, this moves axially through spring element 50 and causes.Locking type Synchronization Component 12 occupies its root again as a result,
According to the neutral position of the ventilation of Fig. 2.
Spring element 50 is preferably radial flexible ring and is especially configured to open C shape ring in the present embodiment,
The C-shaped ring consists of spring steel.
Spring element 50 is axially disposed at cooperation circular cone 34 and couples between disk 32, wherein cooperation circular cone 34 is via bullet
Spring element 50, which is axially supported at, to be coupled on disk 32 and/or is supported on shift gear 22.Here, being configured to radial flexible
The spring element 50 of ring is especially flat, in axial direction 18 substantially rigid ring, and the ring is perpendicular to variator axis A
Extend.
Claims (15)
1. a kind of locking type Synchronization Component of gear shift transmission (10), includes
Synchronous ring (20), the synchronous ring can rotate around variator axis (A) and have locking engaging section (26) and rub
It wipes conus portion (28)；
It couples disk (32), the disk that couples has shift engaging section (30) and in the peace of the locking type Synchronization Component (12)
With the energy of the gear shift transmission (10) around the fixed company of shift gear (22) of the variator axis (A) rotation in dress state
It connects；And
Cooperate circular cone (34), it is described to cooperate conical abutment in the friction circle tapering (28) of the synchronous ring (20) and in institute
It states synchronous ring (20) and couples the frictional connection constituted when disk (32) are axially moved with the friction circle tapering (28) described in,
It is characterized in that, the cooperation circular cone (34) has internal messing portion (42) on radially inner side, the internal messing portion has
In the tooth that it attenuates along the tooth width in ring week on the direction for coupling disk (32), and the shift gear (22) and external toothing
Portion (40) couples, and the external toothing portion engages with the internal messing portion (42) and has on leaving the direction for coupling disk (32)
In the tooth that it attenuates along the tooth width in ring week, so that cooperation circular cone (34) and shift gear (22) are in the locking type synchronization group
Limitedly be able to rotate mutually along ring circumferential direction in the installation condition of part (12) according to relative axial position ground or torsionally with
And it can axially movably connect.
2. locking type Synchronization Component according to claim 1, which is characterized in that the cooperation circular cone (34) can be in initial bit
It sets and is moved axially between disengaged position, wherein matching in the initial position described compared in the disengaged position
It closes circular cone (34) and the axial spacing coupled between disk (32) is bigger.
3. locking type Synchronization Component according to claim 2, which is characterized in that at described point of cooperation circular cone (34)
It offs normal in setting, the synchronous ring (20), which axially sticks on, described couples on disk (32) and/or stick on the shift gear
(22) on.
4. locking type Synchronization Component according to claim 3, which is characterized in that the synchronous ring (20) has at least one
The axially extended protrusion (44) of disk (32) is coupled relative to described, wherein in the disengaged position of cooperation circular cone (34)
In, the contact surface (46) of the protrusion (44) sticks on described couple in the mating surface (48) of disk (32).
5. locking type Synchronization Component according to any one of claim 2 to 4, which is characterized in that be equipped with spring element
(50), the spring element to the cooperation circular cone (34) from the disengaged position axially towards the direction of the initial position
Carry out loading.
6. locking type Synchronization Component according to claim 5, which is characterized in that the spring element (50) is that radial direction has bullet
The ring of property.
7. locking type Synchronization Component according to claim 6, which is characterized in that the spring element (50) is unlimited C
Shape ring.
8. locking type Synchronization Component according to claim 5, which is characterized in that the spring element (50) is axially arranged
The cooperation circular cone (34) and it is described couple between disk (32), wherein the cooperation circular cone (34) is via the spring element
(50) it couples on disk (32) and/or is supported on the shift gear (22) described in being axially supported at.
9. locking type Synchronization Component according to claim 5, which is characterized in that the spring element (50) is in the cooperation
It is radially-inwardly clamped in the disengaged position of circular cone (34).
10. locking type Synchronization Component according to claim 5, which is characterized in that the spring element (50) is matched described
It is substantially loose for closing in the initial position of circular cone (34).
11. locking type Synchronization Component according to claim 5, which is characterized in that the cooperation circular cone (34) is inside in diameter
There are profile portion (52) on side, when cooperation circular cone (34) moves axially in the feelings of the spring element (50) radial deformation
The spring element (50) is slided along the profile portion under condition.
12. locking type Synchronization Component according to claim 11, which is characterized in that the wheel of cooperation circular cone (34)
Wide portion (52) includes synchronous slope (54), and the synchronous slope is radially widened axially towards the disk (32) that couples, wherein
Synchronization positioned at the initial position and the disengaged position between of the spring element (50) in cooperation circular cone (34)
It is sticked in position on the synchronous slope (54).
13. locking type Synchronization Component according to claim 12, which is characterized in that the wheel of cooperation circular cone (34)
Wide portion (52) includes separated slope (56), and the separated slope is radially expanded axially towards the direction for coupling disk (32),
Described in spring element (50) it is described cooperation circular cone (34) the disengaged position in stick on the separated slope (56).
14. locking type Synchronization Component according to claim 13, which is characterized in that the synchronous slope (54) and described point
From the slope that slope (56) are respectively provided with taper, wherein the coning angle (α) on the synchronous slope (54) is greater than the separation tiltedly
The coning angle (β) on slope (56).
15. a kind of gear shift transmission for vehicle, it is characterised in that according to claim 1 to locking described in any one of 14
Formula Synchronization Component (12), and
Shift gear (22), the shift gear can rotate around variator axis (A) and have axial protrusion (38),
The protrusion has the external toothing portion (40),
The wherein cooperation circular cone (34) the internal messing portion arranged on radially inner side of the locking type Synchronization Component (12)
(42) it is joined in the external toothing portion (40) of the axial protrusion (38) and the cooperation circular cone (34) is limited
Ground is able to rotate ground or can axially movably connect torsionally and with the shift gear (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821779399.8U CN209430753U (en) | 2018-10-31 | 2018-10-31 | The locking type Synchronization Component of gear shift transmission and gear shift transmission for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821779399.8U CN209430753U (en) | 2018-10-31 | 2018-10-31 | The locking type Synchronization Component of gear shift transmission and gear shift transmission for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209430753U true CN209430753U (en) | 2019-09-24 |
Family
ID=67967910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821779399.8U Active CN209430753U (en) | 2018-10-31 | 2018-10-31 | The locking type Synchronization Component of gear shift transmission and gear shift transmission for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209430753U (en) |
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2018
- 2018-10-31 CN CN201821779399.8U patent/CN209430753U/en active Active
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