CN109469687A - Clutch release bearing assembly and clutch system - Google Patents
Clutch release bearing assembly and clutch system Download PDFInfo
- Publication number
- CN109469687A CN109469687A CN201710802224.8A CN201710802224A CN109469687A CN 109469687 A CN109469687 A CN 109469687A CN 201710802224 A CN201710802224 A CN 201710802224A CN 109469687 A CN109469687 A CN 109469687A
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- China
- Prior art keywords
- release bearing
- clutch
- guide part
- bearing assembly
- radially
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/12—Mechanical clutch-actuating mechanisms arranged outside the clutch as such
- F16D23/14—Clutch-actuating sleeves or bearings; Actuating members directly connected to clutch-actuating sleeves or bearings
- F16D23/143—Arrangements or details for the connection between the release bearing and the diaphragm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The present invention relates to a kind of clutch release bearing assembly and clutch systems, the clutch release bearing assembly includes release bearing, it includes moving-coil, not moving-coil and the rolling element being arranged between moving-coil and not moving-coil, wherein moving-coil does not have radially inwardly extending annular protrusion；And support ring, its radially inner side for being set in release bearing, and there is the annular guide part extended radially outward, wherein, guide part leans along axial side with protruding portion, and the driving device along the axial other side and release bearing leans, and wherein protruding portion can radially be slided relative to guide part, so that release bearing moves radially.
Description
Technical field
The present invention relates to automobile technical fields, more particularly to a kind of clutch release bearing assembly and including the clutch
The clutch system of device release bearing assembly.
Background technique
Existing typical clutch system includes: the clutch comprising diaphragm spring；And for controlling clutch point
From the clutch operating device with engagement.Since foozle often has biggish bounce between the separation finger of diaphragm spring,
And the rotary shaft of clutch and gearbox is very likely uneven in the assembled state due to foozle and/or installation error
Row.Therefore, in order to improve the contact between clutch release bearing and the separation finger of diaphragm spring, it is ensured that clutch release bearing
Steady operation needs release bearing to have self-regulated heart function.
Fig. 1 shows a kind of according to prior art with the clutch release bearing of self-regulated heart function.As shown in Figure 1,
Clutch operating device includes release bearing 1 and support ring 2, and release bearing 1 is sheathed on the radial outside of support ring 2.Separation
Bearing 1 includes outer ring 11, inner ring 12 and the rolling element being arranged between, wherein outer ring 11 and diaphragm spring 31 against,
The two can rotate synchronously.Support ring 2 be equipped with radially toward inner ring 12 annular groove 20, and inner ring 12 be equipped with radially to
The protrusion 13 of interior extension, protrusion 13 protrude into annular groove 20.Spring 32 is additionally provided in annular groove 20, spring 32 applies protrusion 13
Axial elastic force (along direction shown in arrow A), make protrusion 13 contacted with stop part 21 and against.The radial outer end face of protrusion 13 and ring
There are gaps 20 between the bottom of shape slot 20, and release bearing 1 is allowed to overcome the frictional force between protrusion 13 and stop part 21 opposite
Support ring 2 moves radially, so that the rotation axis of the rotation axis of outer ring 11 and diaphragm spring 31 is on same straight line,
Realize that self-aligning function, clutch 3 transmit stabilizing torque between engine and speed changer.
Release bearing shown in Fig. 1 has problems in that: when clutch 3 is in engagement state, outer ring 11 is by diaphragm bullet
The larger axial compressive force that spring 31 applies, so that the frictional force between protrusion 13 and stop part 21 increases, the frictional force of the increase makes
Release bearing 1 can not move radially or move radially displacement it is smaller, the automatic aligning of release bearing 1 becomes difficult, and leads
Cause diaphragm spring 31 that opposite slide occurs with release bearing 1.In addition, the automatic aligning of release bearing 1 shown in FIG. 1 is not adjustable
Deflection of the rotation axis of release bearing relative to the rotation axis of clutch.
Fig. 2 shows release bearings other according to prior art, can adjust the rotation axis phase of release bearing
Deflection for the rotation axis of clutch.As shown in Fig. 2, release bearing 4 includes outer ring 41 and inner ring 42 and is arranged two
Rolling element 43 between person.Backstop compensation bearing 5,6 sticks on the arm 421 relative to radial skew of inner ring 42.Backstop is mended
Bearing 5,6 is repaid to be made of dome-shaped separation ring 5 and the slip ring 6 on dome-shaped separation ring 5.42 energy of inner ring of release bearing
Enough self-regulated heart functions for sliding and realizing release bearing relative to slip ring 6.Although release bearing shown in Fig. 2 can be adjusted point
Deflection of the rotation axis held off axis relative to clutch rotation axis, still, due to the diaphragm in 5 left side and clutch of separation ring
Spring contact and against, in order to bear the axial compressive force (along direction shown in arrow B) from diaphragm spring without deform, point
It is arranged thicker from the needs of ring 5, backstop compensation bearing 5,6 is caused to occupy biggish axial space.
Summary of the invention
The present invention provides a kind of clutch release bearing assemblies for being able to solve the above problem, can utilize lesser
Axial space realizes the self-regulated heart function of clutch release bearing.The present invention also provides a kind of clutch release bearing is total
At abrasion etc. can be reduced to prolong the service life by making uniform force.The present invention also provides one kind include it is above-mentioned from
The clutch system of clutch release bearing assembly.
According to an aspect of the invention, there is provided a kind of clutch release bearing assembly comprising: release bearing,
Including moving-coil, not moving-coil and the rolling element being arranged between the moving-coil and the not moving-coil, wherein the motionless circle has
Radially inwardly extending annular protrusion；And support ring, it is set in the radially inner side of the release bearing, and have
The annular guide part extended radially outward, wherein the guide part leans along axial side with the protruding portion, and
Driving device along the axial other side and the release bearing leans, wherein the protruding portion can be relative to the guiding
Portion is radially slided, so that the release bearing moves radially.
According to an embodiment of the invention, shape of the guide part on the section of the rotation axis by the release bearing
Shape is arc section, and the center of circle of the arc section is located on the rotation axis of the release bearing.
According to an embodiment of the invention, the protruding portion has and the consistent circular arc portion of guide part bending direction.
According to an embodiment of the invention, being provided with multiple spheres on the guide part, and the guide part is axially
Two sides lean via the multiple sphere and the protruding portion and the driving device respectively, wherein the protruding portion can
It is radially slided via the rolling of the multiple sphere relative to the guide part.
According to an embodiment of the invention, the multiple sphere is divided into along the circumferentially spaced multiple of the guide part
Group, wherein each group include radially spaced arrangement multiple spheres.
According to an embodiment of the invention, the guide part be provided with it is corresponding with each sphere for accommodating each ball
Multiple axially extending bores of body.
According to an embodiment of the invention, the support ring further include: axially extending annular body portion, the guide part structure
It causes to extend radially outwardly from the body part；And stopper section, it is formed in the peripheral surface of the body part, and energy
It is enough to be matched with the longitudinal end of the protruding portion to limit rotating in a circumferential direction for the not moving-coil.
According to an embodiment of the invention, the stopper section is formed as outwardly protruding from the peripheral surface of the body part and edge
Circumferentially spaced multiple protrusions.
According to an embodiment of the invention, the support ring further includes the convex annular to extend radially outwardly from the body part
Edge, the flange and the guide part constitute the annular groove for accommodating the longitudinal end of the protruding portion.
According to an embodiment of the invention, the bottom of the annular groove is arranged in the multiple protrusion.
According to an embodiment of the invention, the support ring further includes joint portion, the joint portion is used for the support ring
With the driving device along axially secured to each other.
According to another aspect of the present invention, a kind of clutch system is additionally provided, the clutch system includes: to include
The clutch of diaphragm spring and clutch control structure for controlling the clutch separation and engagement, which is characterized in that
The clutch operating device includes the clutch release bearing assembly of any embodiment as described above, and the diaphragm spring is along axis
To with the moving-coil against；And the driving device, it is located at the side for being axially distant from clutch of the release bearing,
It is engaged with the support ring, to make the not axial movement of the moving-coil along the clutch via the support ring.
Clutch release bearing assembly and clutch system according to the present invention as a result, can utilize lesser axial sky
Between realize clutch release bearing self-regulated heart function.In addition, clutch release bearing assembly according to the present invention and clutch
System can be by making uniform force, reduction abrasion etc. prolong the service life.
Detailed description of the invention
In the following, by being described in conjunction with feature, advantage and technical effect of the attached drawing to exemplary embodiment of the present invention, it is attached
Similar appended drawing reference indicates similar element in figure, in which:
Fig. 1 schematically shows the partial sectional view of an exemplary clutch system according to prior art.
Fig. 2 schematically shows the partial sectional views of another exemplary clutch system according to prior art.
Fig. 3 schematically shows the partial sectional view of the clutch system of an exemplary embodiment of the present invention.
Fig. 4 A-4C schematically shows the schematic diagram of the support ring of an exemplary embodiment of the present invention, wherein figure
4A is from support ring in the mounted state axially move closer to the perspective view of clutch unilateral observation, and Fig. 4 B is existed from support ring
The perspective view of clutch unilateral observation is axially distant under installation condition, and Fig. 4 C is the edge that the E-E line in Fig. 4 B is taken
The sectional view of direction F observation.
Fig. 5 schematically shows the partial perspective view of support ring shown in Fig. 4 A-4C.
Fig. 6 A and 6B show the automatic aligning of the clutch release bearing assembly of an exemplary embodiment of the present invention
Schematic diagram.
Fig. 7 shows the partial sectional view of the clutch system of another exemplary embodiment according to the present invention.
Specific embodiment
Hereinafter, embodiment of the invention will be described with reference to drawings.Following detailed description and drawings are for illustratively saying
Bright the principle of the present invention, the present invention is not limited to described preferred embodiment, the scope of the present invention is defined by the claims.
In the following description, unless specifically indicated, " axial direction " typically refers to the rotation axis direction of clutch system.Though
The rotation axis of clutch and the rotation axis of release bearing in right clutch system are typically due to the presence of error without total
It is to be located on the same line, but when mentioning " axial direction ", unless specifically stated otherwise, it is believed that the rotation axis of clutch and separation
The rotation axis direction of bearing is consistent.In addition, in the following description, although illustrating only a part of section in the accompanying drawings
Figure, but the outer ring of bearing and inner ring and support ring are cirque structure.
Fig. 3 shows the partial sectional view of the clutch system of an exemplary embodiment of the present invention.Clutch system
It include: the clutch 10 for including diaphragm spring 11；And the clutch control for separating with engaging for controlling clutch 10
Mechanism 20.Clutch operating device 20 includes release bearing assembly 21 and release bearing driving device.Release bearing driving dress
Set the axial movement for driving release bearing along clutch.In the clutch operating device of hydraulic-driven, release bearing is driven
Dynamic device may include piston 22 as shown in Figure 3, and wherein piston 22 is arranged in release bearing assembly 21 and is axially distant from clutch
The side of device 10.Certainly, in the clutch operating device of other driving types, release bearing driving device can be correspondingly real
It is now the structure of other forms.
As shown in figure 3, release bearing assembly 21 includes release bearing 210 and is set in 210 radially inner side of release bearing
Support ring 230.Release bearing 210 includes inner ring 211, outer ring 212 and is arranged in multiple between inner ring 211 and outer ring 212
Rolling element 213.In the present embodiment, inner ring 211 is that moving-coil, outer ring 212 are not moving-coil.In the assembled state of clutch system
Under, the outer ring 212 of release bearing 210 contacts with the diaphragm spring 11 of clutch 10 in the axial direction and against and in clutch
Under 100 engagement state with 11 synchronous rotary of diaphragm spring.Inner ring 211 has radially inwardly extending annular protrusion 214.
Support ring 230 is set in the radially inner side of inner ring 211, and has and extend radially outward (that is, in release bearing
Under the assembled state of assembly 21 towards inner ring 211 extend) annular guide part 231.Guide part 231 is arranged to along axial side
It leans with protruding portion 214 and leans along the axial other side with piston 22.Specifically, in the assembling shape of clutch system
Under state, protruding portion 214 of the guide part 231 of support ring 230 in side and inner ring 211 axially move closer to clutch 10 offsets
It leans on, and leans in the side for being axially distant from clutch 10 with piston 22.Wherein, the protruding portion 214 of inner ring 211 is arranged to
It can radially be slided relative to guide part 231, enable inner ring 211 and thus release bearing 210 substantially radially moves
It is dynamic, to realize the automatic aligning of release bearing 210.
When controlled clutch 10 separates, piston 22 pushes branch axially towards clutch 10 (along direction shown in arrow C)
Pushing out ring 230, mainly push support ring 230 guide part 231, thus push inner ring 211 and thus release bearing 210 along axis
It is moved to towards clutch 10.Diaphragm spring 11 is oppressed in the outer ring 212 of release bearing 210, so that clutch 10 be made to separate.This
Sample, during the lock out operation of clutch 10, the guide part 231 of support ring 230 the side axially move closer to clutch 10 by
To the axial compressive force (along direction shown in arrow D) applied as diaphragm spring 11 via outer ring 212, and it is being axially distant from clutch
The side of device 10 is by the axial compressive force applied as piston 22 (along direction shown in arrow C).The axial pressure of the two opposite directions
Power can cancel out each other, to advantageously substantially reduce the pressure that guide part 231 is born.Similarly, connecing in clutch 10
Under conjunction state, diaphragm spring 11 applies biggish axial compressive force to release bearing 210 via outer ring 212, and guide part 231 is along axis
To the side close to clutch 10 also by biggish axial compressive force.In this case, piston 22 can be configured to be oriented to
The side for being axially distant from clutch 10 in portion 231 provides the axial support force of opposite direction.The support force can offset big portion
Divide ground axial compressive force as caused by diaphragm spring 11, to advantageously substantially reduce the pressure that guide part 231 is born.In this way,
The thickness of guide part 231 can be designed to it is very thin without easily deforming, so as to reduce the axis that support ring 230 occupies
To space.Such release bearing assembly may be advantageously used with the clutch control system of the lesser hydraulic-driven of axial space
System.
As previously mentioned, the protruding portion 214 of inner ring 211 is arranged to radially slide relative to annular guide part 231, so that
Inner ring 211 and thus release bearing 210 can move radially, to realize the automatic aligning of release bearing 210.Here,
In order to adjust the rotation axis direction of the rotation axis direction of release bearing 210 relative to clutch 10 (or diaphragm spring 11)
Deflection, guide part 231 are usually disposed as being slightly slanted relative to the radial direction of release bearing 210, such as relative to radial side
To the low-angle at 1 ° -2 °, and protruding portion 214 be also arranged in correspondence with into it is identical relative to being radially orientated for release bearing 210
Direction be slightly slanted.As a result, by the radially sliding relative to guide part 231 of protruding portion 214, release bearing can be adjusted
Deflection of the 210 rotation axis direction relative to the rotation axis direction of clutch 10.Moreover it is preferred that guide part 231 constructs
It is arc section at the shape on the section of the rotation axis by release bearing 210, and the center of circle of the arc section is arranged to
On the rotation axis of release bearing 210.Also, protruding portion 214 is accordingly formed with consistent with 231 bending direction of guide part
Circular arc portion.For example, under the assembled state of clutch system, from the section by the rotation axis of release bearing 210
It sees, both guide part 231 and protruding portion 214 are axially towards the curving far from clutch 10.In this way, working as protruding portion 214
When radially sliding the automatic aligning to realize release bearing 210 relative to guide part 231, the rotation axis side of release bearing 210
To deflection angle variation it is smoother.Further, since the center of circle for forming the arc section of guide part 231 is arranged to be located at separation shaft
It holds on 210 rotation axis, the stress of guide part 231 more evenly, is conducive to extend the service life of support ring 230.
In addition, it is highly preferred that be provided with multiple spheres 232 on the guide part 231 of support ring 230, and 231 structure of guide part
It makes and leans respectively via multiple sphere 232 with protruding portion 214 and piston 22 for axially two sides.In addition, guide part 231
It is correspondingly provided with the axially extending bore 233 for accommodating each sphere 232, and sphere 232 is configured to when protruding portion 214 is relative to leading
When radially being slided to portion 231, it can be rolled in corresponding through-hole 233.The cloth of sphere and through-hole is described with reference to Fig. 4 A-4C
It sets.Fig. 4 A-4C schematically shows the schematic diagram of the support ring of an exemplary embodiment of the present invention, wherein Fig. 4 A is
From support ring in the mounted state axially move closer to the perspective view of clutch unilateral observation, Fig. 4 B is installing from support ring
Be axially distant from the perspective view of clutch unilateral observation under state, and Fig. 4 C be E-E line in Fig. 4 B taken along direction F
The sectional view of observation.As shown in figs. 4 a-4 c, circumferentially spaced on guide part 231 to be disposed with multiple sets of vias, each sets of vias packet
Include multiple through-holes 233 (as shown being 3, may be set to be 2 or other suitable numbers) of radially spaced arrangement.
Multiple spheres 232 are arranged in corresponding through-hole 233.
Protruding portion 214 can be via rolling of multiple spheres 232 in corresponding through-hole 233 and relative to guide part as a result,
231 radially slide.In this way, protruding portion 214 only needs to overcome lesser frictional force relative to the sliding of guide part 231, so that
Even if (such as the joint shape in clutch 10 in the case where bearing from the larger pressure of diaphragm spring 11 of release bearing 210
Under state) also can easily it move radially, realize automatic aligning.Further, since the setting of sphere changes guide part 231 and dashes forward
Friction mode between portion 214 and piston 22 out, therefore the abrasion as caused by rubbing can also be mitigated, extend inner ring 211, support
The service life of ring 230 and piston 22 etc..
In the following, will be described in the other structures of the support ring of embodiment according to the present invention.As shown in Fig. 3 and 4A-4C,
Support ring 230 includes axially extending annular body portion 234, wherein annular guide part 231 extends radially outwardly from body part 234
(that is, the inner ring 211 of guide part 231 towards release bearing 210 extends under the assembled state of release bearing assembly 21).In addition,
Support ring 230 further includes stopper section 235, is formed in the peripheral surface of body part 234, and can be prominent with inner ring 211
The longitudinal end in portion 213 matches out, is rotated in a circumferential direction with limiting the inner ring 211 of release bearing 210.Specifically, such as Fig. 5 institute
Show, stopper section 235 can be configured to outwardly protrude from the peripheral surface of body part 234 and the multiple of circumferentially spaced arrangement dash forward
It rises, longitudinal end tight abutment of multiple protrusion under the assembled state of clutch system with the protruding portion 214 of inner ring 211,
To limit rotating in a circumferential direction for inner ring 211.
Preferably, support ring 230 can also include annular flange 236, as shown in Fig. 3, Fig. 4 A, 4C.The annular flange 236
Extend radially outwardly from body part 234 and (under the assembled state of release bearing assembly 21, extend towards inner ring 211), with lead
Form an annular groove to portion 231 (under the assembled state of release bearing assembly 21, towards inner ring 211).In release bearing assembly
Under 21 assembled state, the longitudinal end of the protruding portion 214 of inner ring 211 can be contained in the annular groove.Wherein, annular flange
There are certain axial gaps between 236 and protruding portion 214.The setting of the annular groove can make entire release bearing assembly
Component keeps together during transportation and cannot arbitrarily separate.In a preferred embodiment, the stopper section 235 of support ring 230,
Such as multiple protrusions shown in fig. 5 can be set in above-mentioned annular groove, that is, be located at the bottom of annular groove, thus in clutch system
With the longitudinal end tight abutment of the protruding portion 214 of inner ring 211 under the assembled state of system, circumferentially rotating for inner ring 211 is limited.
In addition, support ring 230 further include for by support ring 230 and piston 22 along joint portion 237 axially secured to each other.
Under the assembled state of clutch system, which is arranged in be axially distant from clutch 10 one of guide part 231
Side.As shown in figure 5, the joint portion 237 can be formed as claw-like, and can be set can be with claw-like joint portion for piston 22
The fit structure of 237 shapes cooperation.It is engaged by the fit structure with the axial restraint at joint portion 237, it can be ensured that support ring
There is no or only slight axial movement between 230 and piston 22.
Fig. 6 A and 6B show the automatic aligning schematic diagram of the clutch release bearing assembly of embodiment according to the present invention.
As shown in Figure 6A, the rotation axis direction of release bearing 210 occurs directed downwardly inclined relative to the rotation axis direction of clutch
Turn, release bearing 210 slides (as shown by arrow A) radially upward relative to guide part 231 by protruding portion 214, can make
Its rotation axis direction is aligned with clutch rotation axis direction, realizes Self-aligning.As shown in Figure 6B, the rotation of release bearing 210
There is deflection upward relative to the rotation axis direction of clutch in shaft axis direction, and release bearing 210 passes through protruding portion 214
Relative to radially slide downward (as shown by arrow A) of guide part 231, its rotation axis direction and clutch rotary shaft can be made
The alignment of line direction, realizes Self-aligning.
The foregoing describe the exemplary embodiments of clutch system according to the present invention, wherein the outer ring of release bearing is
Moving-coil, inner ring are not moving-coil, and the diaphragm spring of outer ring and clutch is axially against inner ring is provided with the protrusion extended radially inwardly
The guide part in portion, support ring leans along axial side with protruding portion, leans along the axial other side with piston, and piston is logical
Cross the axial movement for pushing support ring and inner ring being pushed to make release bearing along clutch.Fig. 7 shows example according to the present invention
The partial sectional view of the clutch system of property embodiment, the embodiment and above-described embodiment the difference is that, release bearing
410 inner ring 411 is set as moving-coil, and outer ring 412 is set as not moving-coil, and outer ring 412 has the annular extended radially inwardly prominent
Portion 414.Under the assembled state of clutch system, inner ring 411 contacted with the diaphragm spring 31 of clutch 30 and against, and
Under the engagement state of clutch with 31 synchronous rotary of diaphragm spring.The structure of the support ring 230 of support ring 430 and previous embodiment
It is identical, it is set in the radially inner side of release bearing 410, and there is the annular guide part 431 extended radially outward.
And similarly with previous embodiment, protruding portion 414 phase of the guide part 431 of support ring 430 along axial side and outer ring 412
Against, and along the axial other side and piston 42 against.The protruding portion 414 of outer ring 412 is similarly arranged with previous embodiment,
It can radially be slided relative to guide part 431, enable outer ring 412 and thus release bearing 410 substantially radially moves
It is dynamic, to realize the automatic aligning of release bearing 410.In addition, protruding portion 414 is similarly arranged with protruding portion 214, such as relatively
In the radial direction of release bearing 410 and the guide part 431 of support ring 430 accordingly towards inclined, and, for example, have
With the consistent circular arc portion of 431 bending direction of guide part etc. on the section by the rotation axis of release bearing 410.
In the embodiment shown in fig. 7, when controlled clutch 30 separates, piston 42 is axially towards 30 (edge of clutch
Direction shown in arrow M) push support ring 430, thus push outer ring 412 and thus push release bearing 410 axially towards
Clutch 30 is mobile.During the lock out operation of clutch 30, the guide part 431 of support ring 430 is axially move closer to clutch
30 side is by the axial compressive force (along direction shown in arrow N) applied as diaphragm spring 31 via inner ring 411, and along axis
To the side far from clutch 30 by the axial compressive force applied as piston 42 (along direction shown in arrow M).In clutch 30
Under engagement state, diaphragm spring 31 applies biggish axial compressive force to release bearing 410 via inner ring 411, and guide part 431 is on edge
Axially adjacent to clutch 10 side also by biggish axial compressive force (along direction shown in arrow N), and be axially distant from
The side of clutch 30 is by the axial support force from piston 42 (along direction shown in arrow M).That is, the guiding of support ring 430
The stress condition in portion 431 is similar to 231 stress condition of guide part of support ring 230 in previous embodiment.It is real shown in Fig. 7 as a result,
All advantages and benefit in previous embodiment may be implemented in the clutch release bearing assembly and clutch system of applying example, herein
It repeats no more.In addition, other than the difference with previous embodiment, the release bearing assembly of embodiment illustrated in fig. 7 and clutch
The other structures and its advantage and benefit of device system can refer to the content of previous embodiment, and details are not described herein.
While the invention has been described with reference to exemplary embodiments thereof, however, it is understood that the present invention is not limited to above-mentioned realities
Apply the construction and method of example.On the contrary, it is intended to cover various modifications example and equivalent arrangements.In addition, although in various examples
Property combination and construction in show the various elements and method and step of disclosed invention, but including more, less element
Or other combinations of method are also fallen within the scope of the present invention.
Claims (13)
1. a kind of clutch release bearing assembly, comprising:
Release bearing comprising moving-coil, not moving-coil and the rolling element being arranged between the moving-coil and the not moving-coil, wherein
The not moving-coil has radially inwardly extending annular protrusion；And
Support ring is set in the radially inner side of the release bearing, and has the annular guide part extended radially outward,
Wherein,
The guide part leans along axial side with the protruding portion, and along the axial other side and the release bearing
Driving device lean, wherein the protruding portion can radially be slided relative to the guide part, so that the separation
Bearing moves radially.
2. clutch release bearing assembly according to claim 1, wherein
Shape of the guide part on the section of the rotation axis by the release bearing is arc section, the arc section
The center of circle is located on the rotation axis of the release bearing.
3. clutch release bearing assembly according to claim 2, wherein
The protruding portion has and the consistent circular arc portion of guide part bending direction.
4. clutch release bearing assembly according to any one of claim 1-3, wherein
Be provided with multiple spheres on the guide part, and the guide part axially two sides respectively via the multiple sphere
Lean with the protruding portion and the driving device, wherein the protruding portion can via the rolling of the multiple sphere and
It is radially slided relative to the guide part.
5. clutch release bearing assembly according to claim 4, wherein
The multiple sphere is divided into circumferentially spaced multiple groups along the guide part, wherein each group include radially between
Every multiple spheres of arrangement.
6. clutch release bearing assembly according to claim 4 or 5, wherein
The guide part is provided with corresponding with each sphere for accommodating multiple axially extending bores of each sphere.
7. clutch release bearing assembly according to any one of claim 1-3, wherein
The support ring further include:
Axially extending annular body portion, the guide part are configured to extend radially outwardly from the body part；And
Stopper section is formed in the peripheral surface of the body part, and can be matched with the longitudinal end of the protruding portion
It closes to limit rotating in a circumferential direction for the not moving-coil.
8. clutch release bearing assembly according to claim 7, wherein
The stopper section is formed as outwardly protruding from the peripheral surface of the body part and multiple protrusions of circumferentially spaced arrangement.
9. clutch release bearing assembly according to claim 8, wherein
The support ring further includes the annular flange to extend radially outwardly from the body part, the flange and the guide part structure
At the annular groove of the longitudinal end for accommodating the protruding portion.
10. clutch release bearing assembly according to claim 9, wherein
The bottom of the annular groove is arranged in the multiple protrusion.
11. clutch release bearing assembly according to claim 1, wherein
The support ring further includes joint portion, and the joint portion is used for the support ring with the driving device along axial mutual
It is fixed.
12. a kind of clutch system, the clutch system includes: the clutch comprising diaphragm spring and for controlling
State the clutch control structure of clutch separation and engagement, which is characterized in that
The clutch operating device includes:
Clutch release bearing assembly of any of claims 1-11, the diaphragm spring is along the axial and moving-coil
Against；And
The driving device is located at the side for being axially distant from clutch of the release bearing, connects with the support ring
It closes, to make the not axial movement of the moving-coil along the clutch via the support ring.
13. clutch system according to claim 12, wherein
The driving device includes piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710802224.8A CN109469687A (en) | 2017-09-07 | 2017-09-07 | Clutch release bearing assembly and clutch system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710802224.8A CN109469687A (en) | 2017-09-07 | 2017-09-07 | Clutch release bearing assembly and clutch system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109469687A true CN109469687A (en) | 2019-03-15 |
Family
ID=65658401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710802224.8A Pending CN109469687A (en) | 2017-09-07 | 2017-09-07 | Clutch release bearing assembly and clutch system |
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| Country | Link |
|---|---|
| CN (1) | CN109469687A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828437A (en) * | 2020-06-19 | 2020-10-27 | 中国北方车辆研究所 | Clutch centrifugal oil pressure testing device capable of adjusting axial space |
| CN112874626A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Vehicle, vehicle steering system and clutch mechanism thereof |
-
2017
- 2017-09-07 CN CN201710802224.8A patent/CN109469687A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112874626A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Vehicle, vehicle steering system and clutch mechanism thereof |
| CN112874626B (en) * | 2019-11-29 | 2022-05-13 | 比亚迪股份有限公司 | Vehicle, vehicle steering system and clutch mechanism thereof |
| CN111828437A (en) * | 2020-06-19 | 2020-10-27 | 中国北方车辆研究所 | Clutch centrifugal oil pressure testing device capable of adjusting axial space |
| CN111828437B (en) * | 2020-06-19 | 2022-10-28 | 中国北方车辆研究所 | Clutch centrifugal oil pressure testing device capable of adjusting axial space |
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