CN208074041U - Self-aligning separable bearing of clutch assembly - Google Patents
Self-aligning separable bearing of clutch assembly Download PDFInfo
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- CN208074041U CN208074041U CN201820561791.9U CN201820561791U CN208074041U CN 208074041 U CN208074041 U CN 208074041U CN 201820561791 U CN201820561791 U CN 201820561791U CN 208074041 U CN208074041 U CN 208074041U
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Abstract
The utility model is related to a kind of self-aligning separable bearing of clutch assemblies, it is provided with sealing device between the diameter of axle and bearing inner race of shell, sealing device includes the ring skeleton that cross sectional shape is " L " type and sealing lip, cross sectional shape is that the ring skeleton of " L " type includes vertical portion and horizontal part, sealing lip is fixed on the vertical portion of ring skeleton, horizontal part is fixed with bearing outer ring, horizontal position is between rolling release bearing and the shaft shoulder of shell, the vertical portion of ring skeleton is inserted between bearing inner race and the axle journal of shell, seal the gap between lip sealing bearing inner race and vertical portion.Sealing device is fixedly connected with the bearing outer ring of release bearing, then during release bearing Self-aligning, sealing device is moved together with release bearing, extruding or separate will not be carried out to the sealing lip of sealing device, sealing lip extrusion abrasion is reduced, ensures service life, ensures sealing effect.
Description
Technical field
The utility model belongs to automobile clutch technical field, and in particular to a kind of self-aligning separable bearing of clutch is total
At.
Background technology
Clutch is that commonly a kind of control engine power system is switched on or switched off existing manual-gear vehicle with speed changer
A kind of important component.The output shaft of clutch is exactly the input shaft of gearbox.In vehicle traveling process, driver can basis
Need to tip into or out clutch pedal, actuator drives clutch shifter, by clutch release bearing to clutch pressure
Disk applies external force, to make the friction plate of clutch be separated from each other or combine, because clutch is rotation status at work,
And clutch shifter is not rotation status, so, clutch release bearing total performance is that non-rotary pressure is applied to rotation
Clutch compressing disc on a transition apparatus, if damage, the failure of clutch will be caused, to vehicle traveling cause danger.
Current clutch release bearing assembly exists including shell, bearing inner race, rolling element, bearing outer ring, setting mostly
Bearing both ends sealing cover and case, in order to ensure that release bearing rotation center is overlapped with the rotation center of clutch shaft, present axis
The internal diameter for holding inner ring uses the diameter for the axle journal being more than on shell, in favor of the automatic aligning of bearing, such bearing inner race and shell
There are certain gaps between body axle journal, and this gap is open type during the work time, it is easy to enter dust, enter
Dust in bearing can influence the normal work of bearing, increase the abrasion of bearing.In addition, the release bearing of existing clutch
All it is mostly oil-filling type release bearing, it is tight due to sealing, when injecting lubricating grease with oil gun, since oil pressure and oil mass can not be controlled
System, it will cause extra grease excessive from the gap of the sealing cover at bearing both ends, excessive grease is combined with dust,
Block is formed, in bearing high speed rotation, is easy to damage the sealing cover of bearing end so that the service life of bearing contracts
It is short, in turn result in the failure of clutch.In addition, into the dust in gap between bearing inner race and shell axle journal, in bearing operation
Gap that in the process can be between bearing lower face and the shaft shoulder of shell enters between bearing outer ring and case, bearing outer ring with
It is accumulated in gap between case, influences the Self-aligning of clutch.
Gap to overcome the problems, such as between bearing inner race and shell axle journal can enter dust, and technical staff designs a kind of close
Seal apparatus, the sealing device are fixedly connected with the shaft shoulder of the shell of clutch release bearing, and sealing lip is inserted into release bearing
Between inner ring and shell axle journal, realizes the sealing in gap between the bearing inner race of shell and shell axle journal, prevent dust from entering axis
Inside is held, still, since the sealing device is fixed with the shaft shoulder of shell, during release bearing Self-aligning, bearing inner race
The sealing lip of side is squeezed, the opposite other side then can be easy to make far from sealing lip, bearing inner race far from sealing lip
At poorly sealed, sealing effect is poor, and bearing inner race crush seal lip, be easy to cause sealing lip rapid wear, causes close
Seal apparatus service life is short.
Utility model content
In conclusion in order to overcome the shortcomings of that prior art problem, the utility model provide a kind of self-aligning separable
Release bearing assembly, it is that cross sectional shape is arranged between the axle journal and bearing inner race of the shell of release bearing as the close of " L " type
Seal apparatus, the sealing device are fixedly connected with the bearing outer ring of release bearing, then during release bearing Self-aligning, sealing dress
It sets as release bearing moves together, extruding or separate will not be carried out to the sealing lip of sealing device, reduce sealing lip and squeeze
Pressure abrasion, ensures service life, ensures sealing effect.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of self-aligning separable bearing of clutch assembly, including shell, bearing inner race, rolling element, bearing outer ring, bearing are close
Capping and case, the axle journal of the shell are inserted into bearing inner race, and bearing inner race, bearing outer ring, rolling element and bearing are close
Capping composition rolls release bearing structure, and case covers on outside bearing outer ring, wherein：The diameter of axle of the shell and bearing inner race it
Between be provided with sealing device, the sealing device includes the ring skeleton that cross sectional shape is " L " type and sealing lip, described
Cross sectional shape is that the ring skeleton of " L " type includes vertical portion and horizontal part, and sealing lip is fixed on the vertical portion of ring skeleton,
The horizontal part is fixed with bearing outer ring, and horizontal position is between rolling release bearing and the shaft shoulder of shell, the annular
The vertical portion of skeleton is inserted between bearing inner race and the axle journal of shell, between sealing lip sealing bearing inner race and vertical portion
Gap.
Further, the cross sectional shape is that the height of the vertical portion of the ring skeleton of " L " type is more than or equal to bearing inner race
Height 3/4.
Further, the quantity of the sealing lip is one or more, and when the quantity for sealing lip is 1, setting exists
Between the upper end and bearing inner race of the vertical portion of ring skeleton, when the quantity for sealing lip is multiple, multiple sealing lip edges ring
The short transverse of the vertical portion of shape skeleton is arranged.
Further, static seal, institute are provided between the lower face of the horizontal part of the ring skeleton and the shaft shoulder of shell
The static seal stated includes the groove being arranged on the shaft shoulder of shell and the O-ring that is arranged in groove.
Further, lower sealing is provided between the horizontal part of the ring skeleton and the lower face of bearing inner race.
Further, the lower sealing is wrapped with the lower face of self-lubricating abrasion-resistant layer or/and bearing inner race and lower sealing
The position of contact is provided with self-lubricating abrasion-resistant layer, and the thickness of the self-lubricating abrasion-resistant layer is 0.001 ~ 5mm.
Further, dust exhausting hole is provided on the shaft shoulder of the shell, the dust exhausting hole is arranged in static seal and shell
Axle journal between.
Further, the horizontal part of the ring skeleton and the inside of bearing outer ring are fixed；Or it is outer with bearing outer ring
Side is fixed；Or it is fixed with the lower face of bearing outer ring.
Further, the sealing lip be wrapped with the inner wall of self-lubricating abrasion-resistant layer or/and bearing inner race with sealing
The position of lip contact is provided with self-lubricating abrasion-resistant layer, and the thickness of the self-lubricating abrasion-resistant layer is 0.001 ~ 5mm.
The beneficial effects of the utility model are：
1, the utility model is that cross sectional shape is arranged between the axle journal and bearing inner race of the shell of release bearing as " L " type
Sealing device, which is fixedly connected with the bearing outer ring of release bearing, then close during release bearing Self-aligning
Seal apparatus is moved together with release bearing, and extruding or separate will not be carried out to the sealing lip of sealing device, reduces sealing lip
Side extrusion abrasion ensures service life, ensures sealing effect.
2, the height of the vertical portion of the ring skeleton of the utility model is more than or equal to the 3/4 of the height of bearing inner race, preferably
Ring skeleton vertical portion height it is identical as the height of bearing inner race, then, dust is not easy to accumulate in sealing lip, convenient
Gap of the dust impurity between the vertical portion of ring skeleton and the axle journal of shell and dust exhausting hole exclude, avoid dust accretions at
Block.
3, the inner wall of the sealing lip outer wrapping self-lubricating abrasion-resistant layer or/and bearing inner race of the utility model with sealing
The position of lip contact is provided with self-lubricating abrasion-resistant layer or self-lubricating abrasion-resistant layer and is matched in proportion with wear-resistant material by self-lubricating material
Coating is fixed in sealing lip after setting mixing, and the presence of self-lubricating material can effectively reduce the inner ring of upper-lower seal end cap
With the frictional force between self-lubricating abrasion-resistant layer, the generation of frictional heat is reduced, the presence of wear-resistant material can be reduced effectively again
The abrasion of upper-lower seal end cap and self-lubricating abrasion-resistant layer ensures service life.
4, static seal is set between the lower face of the horizontal part of the ring skeleton of the utility model and the shaft shoulder of shell, it is described
Static seal be the O-ring being arranged in groove, dust can be prevented along the horizontal part of ring skeleton by the setting of static seal
Lower face and the shaft shoulder of shell between gap enter the gap between case and bearing outer ring, avoid dust in case and axis
It is accumulated in gap between bearing outer-ring, influences release bearing Self-aligning gap.Grease seal also can be used in the static seal, in annular
Grease is set between the lower face of the horizontal part of skeleton and the shaft shoulder of shell, is sealed.
5, the utility model is simple in structure, easy to use, sealing effect is good, of low cost, can effectively reduce dust
Into bearing cavity, ensure the service life of bearing, while ensureing the service life and safety of sealing device.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Shell 1；Bearing inner race 2；Rolling element 3；Bearing outer ring 4；Bearing seal cover 5；Case 6；Ring skeleton 7；Sealing lip
Side 8；Static seal 9；Dust exhausting hole 10；Lower sealing 11；Vertical portion 71；Horizontal part 72；Self-lubricating abrasion-resistant layer 81.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of self-aligning separable bearing of clutch assembly, including shell 1, bearing inner race 2, rolling element 3, axis
The axle journal of bearing outer-ring 4, bearing seal cover 5 and case 6, the shell 1 is inserted into bearing inner race 2, bearing inner race 2, bearing
Outer ring 4, rolling element 3 and the composition of bearing seal cover 5 roll release bearing structure, and case 6 covers on outside bearing outer ring 4, wherein：It is described
Shell 1 the diameter of axle and bearing inner race 2 between be provided with sealing device, the sealing device includes that cross sectional shape is " L " type
Ring skeleton 7 and sealing lip 8, the cross sectional shape be " L " type ring skeleton 7 include vertical portion 71 and horizontal part
72, sealing lip 8 is fixed on the vertical portion 71 of ring skeleton 7, and the height of vertical portion 71 is more than or equal to the height of bearing inner race 2
3/4, the height of preferred vertical portion 71 is identical as the height of bearing inner race 2, the horizontal part 72 and bearing outer ring 4
Inside or outside are fixed, and horizontal part 72, which is located at, to be rolled between release bearing and the shaft shoulder of shell 1, the ring skeleton 7
Lower sealing 11 is provided between the upper surface and the lower face of bearing inner race 2 of horizontal part 72, the lower sealing 11 is wrapped with
The position that the lower face of self-lubricating abrasion-resistant layer or/and bearing inner race 2 is contacted with lower sealing 11 is provided with self-lubricating abrasion-resistant layer, institute
The thickness for the self-lubricating abrasion-resistant layer stated is 0.001 ~ 5mm.The lower face of the horizontal part 72 of ring skeleton 7 and the shaft shoulder of shell 1 it
Between be provided with static seal 9, static seal 9 includes the O-ring that the groove on the shaft shoulder of shell 1 is arranged and is arranged in groove.Shell
Dust exhausting hole 10 is provided on the shaft shoulder of body 1, the dust exhausting hole 10 is arranged between static seal 9 and the axle journal of shell 1.Described
The vertical portion 71 of ring skeleton 7 is inserted between bearing inner race 2 and the axle journal of shell 1, and the height of vertical portion 71 is equal to bearing inner race 2
Height, sealing lip 8 seals the gap between bearing inner race 2 and vertical portion 71.Seal lip 8 quantity be it is multiple, it is multiple
Short transverse of the lip 8 along the vertical portion of ring skeleton 7 71 is sealed to arrange.Sealing lip 8 is wrapped with self-lubricating abrasion-resistant layer 81,
The thickness of the self-lubricating abrasion-resistant layer 81 is 0.001 ~ 5mm.The self-lubricating abrasion-resistant layer 81 by self-lubricating material with it is wear-resisting
Coating is fixed in sealing lip 8 after material configures mixing in proportion.The weight percent of self-lubricating material and wear-resistant material is
50%：50%.The self-lubricating material includes the polytetrafluoroethyl-ne that weight percent is 50% polyphenyl fat and weight percent is 50%
Mixture in alkene, graphite, lead powder, copper powder and molybdenum disulfide.The wear-resistant material is carbon fiber, ceramic powder and glass fibre
Mixture.
In use, release bearing is in rotation process, gap of the dust between bearing inner race 2 and the axle journal of shell 1 into
Enter, by the blocking of sealing lip 8, dust cannot be introduced between the vertical portion 71 of ring skeleton 7 and bearing inner race 2, can only be along ring
Gap between the vertical portion 71 and the axle journal of shell 1 of shape skeleton 7 moves down, and is then discharged through dust exhausting hole 10.Dust can not
Into the interior intracavitary of release bearing, to ensure the service life of release bearing, ensure the operation of clutch normal table.Horizontal part
72 and upper surface and the lower face of bearing inner race 2 between be provided with it is lower sealing 11, it is lower sealing 11 setting rise dual-seal make
With lower sealing 11 can effectively avoid dust from entering the inner cavity of release bearing under sealing 8 collective effect of lip.
Meanwhile dust is discharged through dust exhausting hole 10, the presence of static seal 9, prevent dust enter bearing outer ring 4 and case 6 it
Between, it can also prevent dust from being accumulated between bearing inner race 2 and the axle journal of shell 1, to ensure bearing service life and separation
The self-aligning function of bearing.The setting of self-lubricating wear-resistant coating can effectively reduce friction, reduce the production of frictional heat
It is raw, improve the service life of sealing lip 8.
It is noted that embodiment described above is to the illustrative and not limiting of technical solution of the present invention, affiliated technology neck
The equivalent replacement of domain those of ordinary skill or the other modifications made according to the prior art, as long as not exceeding the technology of the present invention side
The thinking and range of case, should be included within interest field of the presently claimed invention.
Claims (9)
1. a kind of self-aligning separable bearing of clutch assembly, including shell（1）, bearing inner race（2）, rolling element（3）, bearing outer ring
（4）, bearing seal cover（5）And case（6）, the shell（1）Axle journal be inserted into bearing inner race（2）It is interior, bearing inner race
（2）, bearing outer ring（4）, rolling element（3）And bearing seal cover（5）Composition rolls release bearing structure, case（6）Cover on bearing
Outer ring（4）Outside, it is characterised in that：The shell（1）The diameter of axle and bearing inner race（2）Between be provided with sealing device, it is described
Sealing device include cross sectional shape be " L " type ring skeleton（7）And sealing lip（8）, the cross sectional shape is " L " type
Ring skeleton（7）Including vertical portion（71）And horizontal part（72）, seal lip（8）It is fixed on ring skeleton（7）Vertical portion
（71）On, the horizontal part（72）With bearing outer ring（4）It is fixed, horizontal part（72）Positioned at rolling release bearing and shell（1）
The shaft shoulder between, the ring skeleton（7）Vertical portion（71）It is inserted into bearing inner race（2）With shell（1）Axle journal between,
Seal lip（8）Seal bearing inner race（2）With vertical portion（71）Between gap.
2. self-aligning separable bearing of clutch assembly according to claim 1, it is characterised in that：The cross sectional shape is
The ring skeleton of " L " type（7）Vertical portion（71）Height be more than or equal to bearing inner race（2）Height 3/4.
3. self-aligning separable bearing of clutch assembly according to claim 1, it is characterised in that：The sealing lip
（8）Quantity be one or more, seal lip（8）Quantity be 1 when, be arranged in ring skeleton（7）Vertical portion（71）
Upper end and bearing inner race（2）Between, multiple sealing lips（8）Along ring skeleton（7）Vertical portion（71）Short transverse cloth
It sets.
4. self-aligning separable bearing of clutch assembly according to claim 1, it is characterised in that：The ring skeleton
（7）Horizontal part（72）Lower face and shell（1）The shaft shoulder between be provided with static seal（9）, the static seal（9）Including
It is arranged in shell（1）The shaft shoulder on groove and the O-ring that is arranged in groove.
5. self-aligning separable bearing of clutch assembly according to claim 1, it is characterised in that：The ring skeleton
（7）Horizontal part（72）With bearing inner race（2）Lower face between be provided with lower sealing（11）.
6. self-aligning separable bearing of clutch assembly according to claim 5, it is characterised in that：The lower sealing（11）
It is wrapped with self-lubricating abrasion-resistant layer or/and bearing inner race（2）Lower face and lower sealing（11）The position of contact is provided with from profit
The thickness of sliding wearing layer, the self-lubricating abrasion-resistant layer is 0.001 ~ 5mm.
7. self-aligning separable bearing of clutch assembly according to claim 1, it is characterised in that：The shell（1）'s
Dust exhausting hole is provided on the shaft shoulder（10）, the dust exhausting hole（10）It is arranged in static seal（9）With shell（1）Axle journal between.
8. self-aligning separable bearing of clutch assembly according to claim 1, it is characterised in that：The ring skeleton
（7）Horizontal part（72）With bearing outer ring（4）Inside fix；Or and bearing outer ring（4）Outside fix；Or and bearing
Outer ring（4）Lower face fix.
9. self-aligning separable bearing of clutch assembly according to claim 1, it is characterised in that：The sealing lip
（8）It is wrapped with self-lubricating abrasion-resistant layer（81）Or/and bearing inner race（2）Inner wall with sealing lip（8）The position of contact is set
It is equipped with self-lubricating abrasion-resistant layer（81）, the self-lubricating abrasion-resistant layer（81）Thickness be 0.001 ~ 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820561791.9U CN208074041U (en) | 2018-04-19 | 2018-04-19 | Self-aligning separable bearing of clutch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820561791.9U CN208074041U (en) | 2018-04-19 | 2018-04-19 | Self-aligning separable bearing of clutch assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208074041U true CN208074041U (en) | 2018-11-09 |
Family
ID=64044404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820561791.9U Active CN208074041U (en) | 2018-04-19 | 2018-04-19 | Self-aligning separable bearing of clutch assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208074041U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442028A (en) * | 2018-12-20 | 2019-03-08 | 浙江三星机电股份有限公司 | A kind of sealing structure of novel shoe washing machine driving device |
| CN115467906A (en) * | 2022-09-06 | 2022-12-13 | 湖北三丰汽配有限公司 | Self-lubricating clutch for automobile |
-
2018
- 2018-04-19 CN CN201820561791.9U patent/CN208074041U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442028A (en) * | 2018-12-20 | 2019-03-08 | 浙江三星机电股份有限公司 | A kind of sealing structure of novel shoe washing machine driving device |
| CN109442028B (en) * | 2018-12-20 | 2023-09-26 | 浙江三星机电股份有限公司 | Novel shoe washer driving device sealing structure |
| CN115467906A (en) * | 2022-09-06 | 2022-12-13 | 湖北三丰汽配有限公司 | Self-lubricating clutch for automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230707 Address after: No. 30, Gaocun 1st District, Mengzhuang Town, Huixian, Xinxiang, Henan Province, 453000 Patentee after: Wang Xinbao Address before: No. 129, Gaocun District 5, Mengzhuang Town, Huixian, Xinxiang, Henan Province, 453000 Patentee before: Tang Xiaochao |
|
| TR01 | Transfer of patent right |