CN206958103U - Clutch release bearing and its sealing ring - Google Patents
Clutch release bearing and its sealing ring Download PDFInfo
- Publication number
- CN206958103U CN206958103U CN201720886395.9U CN201720886395U CN206958103U CN 206958103 U CN206958103 U CN 206958103U CN 201720886395 U CN201720886395 U CN 201720886395U CN 206958103 U CN206958103 U CN 206958103U
- Authority
- CN
- China
- Prior art keywords
- dust excluder
- excluder lips
- ring
- girth sheets
- lip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 80
- 239000000428 dust Substances 0.000 claims abstract description 56
- 230000005489 elastic deformation Effects 0.000 claims abstract description 8
- 239000004519 grease Substances 0.000 claims description 9
- 239000000314 lubricant Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Sealing Of Bearings (AREA)
Abstract
It the utility model is related to a kind of clutch release bearing and sealing ring,Sealing ring includes rigid backbone and rubber bodies,Rigid backbone includes the annular girth sheets radially extended,Girth sheets external diameter end overturns to form the fixed cylinder circle being fitted on outer ring vertically,Rubber bodies include the outer dust excluder lips on girth sheets external diameter end,The inner-diameter end of girth sheets is provided with contact sealing lip,Outer dust excluder lips are located at girth sheets dorsal part and extended axially towards away from raceway one end,The outer circumferential sides of outer dust excluder lips have contact sealing surface,The contact sealing surface is in gradually to protrude cylinder circle along external diameter direction from the free extreme direction of the outer outside dust excluder lips in dust excluder lips root in a free state to set,Outer dust excluder lips have for elastic deformation after outer dust excluder lips press-in annular space so that contact sealing surface is bonded to each other the relief groove for contacting sealing with the wall of the corresponding annular space in outer ring vertically,Relief groove is positioned opposite with contacting sealing surface.It is reasonable in design with ring structure, the advantages of good sealing effect.
Description
Technical field
Technical field of bearings is the utility model is related to, is specifically clutch release bearing and sealing ring.
Background technology
Existing clutch release bearing, generally comprise inner ring, outer ring and be arranged on some between inner ring, outer ring
Roller, retainer, because its assembly space is limited so that seal installing space is restricted, and structure of sealing lip can not be fine
Meet seal request, the service life of the easy leakage contribution bearing of grease in bearing.
The content of the invention
In view of the deficienciess of the prior art, the purpose of this utility model be to provide a kind of ring structure it is reasonable in design
Clutch release bearing, there is the advantages of good sealing effect.
To achieve the above object, the utility model provides following technical scheme：
A kind of clutch release bearing, including outer ring, inner ring and retainer, the inner circumferential side of the outer ring are provided with outer ring channel
Road, the outer circumferential sides of inner ring are provided with bear inner ring grooved railway, outer ring raceway and bear inner ring grooved railway corresponding matching and form the annular of guiding ball
Raceway, roll in ring raceway and be combined with a row ball, the ball is held in ring raceway through retainer, the outer ring and
There is at least one annular space between inner ring, the annular space is located at ring raceway side, sealing ring is provided with annular space,
Described sealing ring includes rigid backbone and rubber bodies, it is characterised in that：Described rigid backbone includes the girth sheets of annular, circle
Plate radially extends, and the external diameter end of girth sheets to form cylinder circle to being overturn axially adjacent to raceway direction, and cylinder circle is fixed and is fitted in outer ring pair
Answer on the wall of annular space, rubber bodies include the outer dust excluder lips on girth sheets external diameter end, and the inner-diameter end of girth sheets is provided with and inner ring
The contact sealing lip of the wall contact of corresponding annular space, outer dust excluder lips be located at girth sheets be directed away from raceway side and axially towards
Extend to away from raceway one end, outer dust excluder lips root is fixed in rigid backbone, and the outer dust excluder lips other end is free end, outer dust-proof
The excircle side wall of lip is that the contact sealing surface that sealing coordinates is contacted with the wall of the corresponding annular space in outer ring, and the contact sealing surface is in
Cylinder circle is gradually protruded along external diameter direction from the free extreme direction of the outer outside dust excluder lips in dust excluder lips root in a free state to set, it is outer anti-
Dirt lip has for elastic deformation after outer dust excluder lips press-in annular space so that the wall of contact sealing surface annular space corresponding with outer ring
The relief groove of contact sealing is bonded to each other vertically, and relief groove is positioned opposite with contacting sealing surface.
By using above-mentioned technical proposal, the cylinder circle of sealing ring is fitted on outer ring and realized through outer dust excluder lips and sealed, and has
Effect solves the slippage problems of sealing ring, and ensures sealing property, and outer dust excluder lips are using axially extending and through contacting sealing surface and subtracting
The design of indent, reach and sealing is contacted between outer dust excluder lips and outer ring, contact sealing surface is tilts, in dust excluder lips elastic deformation
Afterwards, sealing surface is contacted in the increased contact sealing of contact from inside to outside, ensures sealed reliable, while contact the spy of sealing surface
Determine under heeling condition, be easy to sealing ring to be pressed into annular space, be easy to assemble.
Preferably, the girth sheets is that cross sectional shape is in enclose raised " C " font in one end axially towards away from cylinder.The structure
Under design, bearing interior space is improved, and be easy to the formation of relief groove.
Preferably, the first lip body and the second lip body for contacting sealing lip and " people " font being connected into including root, first
Lip body and the second lip body are annular, and lubricant grease packing space is formed between the first lip body and the second lip body.The structure design
Under, the sealed reliable of contact sealing lip and inner ring, the interior revolving force filled lubricant grease, reduce bearing of lubricant grease packing space
Square.
The utility model also provides a kind of bearing sealed ring, including rigid backbone and rubber bodies, it is characterised in that：It is described
Rigid backbone include the girth sheets of annular, girth sheets radially extends, and the external diameter end of girth sheets extends to form cylinder circle, rubber to axial turning
Colloid includes the outer dust excluder lips on girth sheets external diameter end, and the inner-diameter end of girth sheets is provided with contact sealing lip, and outer dust excluder lips are positioned at circle
Extend on the outside of plate and axially towards cylinder circle backwards to one end, outer dust excluder lips root is fixed in rigid backbone, and outer dust excluder lips are another
It is to contact sealing surface to hold as free end, the excircle side wall of outer dust excluder lips, and the contact sealing surface is in a free state from outer anti-
The free extreme direction of the outside dust excluder lips in dirt lip root gradually protrudes cylinder circle along external diameter direction and set, and outer dust excluder lips, which have, supplies outer dust excluder lips
Elastic deformation after press fitting is so that contact sealing surface is bonded to each other the relief groove for contacting sealing with mating surface vertically, and relief groove is with connecing
It is positioned opposite to touch sealing surface.Under such scheme, ring structure is reasonable in design, good sealing effect.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the utility model specific embodiment clutch release bearing structural representation；
Fig. 2 is part A partial enlarged view in Fig. 1；
Fig. 3 is the utility model specific embodiment ring structure schematic diagram.
Embodiment
As shown in Fig. 1 ~ 3, a kind of clutch release bearing disclosed in the utility model, including outer ring 1, inner ring 2 and holding
Frame 3, the inner circumferential side of the outer ring 1 are provided with outer ring raceway 11, and the outer circumferential sides of inner ring 2 are provided with bear inner ring grooved railway 21, outer ring raceway
11 with the corresponding matching of bear inner ring grooved railway 21 and form the ring raceway of guiding ball 4, roll in ring raceway and are combined with a row ball
4, the ball 4 is held in ring raceway through retainer 3, has at least one annular space between the outer ring 1 and inner ring 2
5, the annular space 5 is located at ring raceway side, is provided with sealing ring 6 in annular space 5, described sealing ring 6 includes rigid bone
Frame 61 and rubber bodies 62, described rigid backbone 61 include the girth sheets 611 of annular, and girth sheets 611 radially extends, girth sheets 611
External diameter end to form cylinder circle 612 to being overturn axially adjacent to raceway direction, cylinder circle 612, which is fixed, is fitted in the corresponding annular space 5 in outer ring 1
Wall 12 on, rubber bodies 62 include the outer dust excluder lips 621 on the external diameter end of girth sheets 611, the inner-diameter end of girth sheets 611 be provided with it is interior
The contact sealing lip 622 that the wall 22 of the corresponding annular space 6 of circle 2 contacts, outer dust excluder lips 621 are located at girth sheets 611 and are directed away from raceway
Side and axially towards away from raceway one end extend（I.e. outer dust excluder lips are located at the outside of girth sheets and carried on the back axially towards cylinder circle
To extension）, the outer root of dust excluder lips 621 is fixed in rigid backbone 61, and the outer other end of dust excluder lips 621 is free end, outer dust excluder lips
621 excircle side wall is that the contact sealing surface 6211 that sealing coordinates is contacted with the wall 12 of the corresponding annular space 5 in outer ring 1, and this connects
Sealing surface 6211 is touched in a free state from the outside 621 free extreme direction of dust excluder lips in the outer root of dust excluder lips 621 along external diameter direction
Gradually protrusion cylinder circle 612 is set, and outer dust excluder lips 621 have for elastic deformation after outer dust excluder lips 621 press-in annular space 5 so as to connect
Touch sealing surface 6211 and be bonded to each other the relief groove 63 for contacting sealing, relief groove vertically with the wall 12 of the corresponding annular space 5 in outer ring 1
63 with to contact sealing surface 6211 positioned opposite.
Wherein, the girth sheets 611 is that cross sectional shape is in axially towards away from raised " C " font in the one end of cylinder circle 612.
The girth sheets of " C " font is accordingly recessed, raising bearing interior space in inner side, and due to the girth sheets back side of " C " font towards outer lug
With flexibility, it is easy to the formation of relief groove at the root of the outer seal lip at girth sheets external diameter end.
In this specific embodiment, the contact sealing lip 622 includes the first lip body 622a that root connects into " people " font
It is annular, the first lip body 622a and the second lip body 622b with the second lip body 622b, the first lip body 622a and the second lip body 622b
Between form lubricant grease packing space 623.The sealed reliable of sealing lip and inner ring is contacted, is filled in lubricant grease packing space
Lubricant grease, reduce the turning moment of bearing.
The cylinder circle of sealing ring of the present utility model is fitted on outer ring and realized through outer dust excluder lips and sealed, and effectively solves sealing
The slippage problems of circle, and ensure sealing property, outer dust excluder lips use design axially extending and through contact sealing surface and relief groove,
Reach and sealing is contacted between outer dust excluder lips and outer ring, contact sealing surface is tilts, and after dust excluder lips elastic deformation, contacts sealing surface
In the increased contact sealing of contact from inside to outside, ensure sealed reliable, while contact under the certain tilt state of sealing surface,
It is easy to sealing ring to be pressed into annular space, is easy to assemble.
Claims (6)
1. a kind of clutch release bearing, including outer ring, inner ring and retainer, the inner circumferential side of the outer ring is provided with outer ring channel
Road, the outer circumferential sides of inner ring are provided with bear inner ring grooved railway, outer ring raceway and bear inner ring grooved railway corresponding matching and form the annular of guiding ball
Raceway, roll in ring raceway and be combined with a row ball, the ball is held in ring raceway through retainer, the outer ring and
There is at least one annular space between inner ring, the annular space is located at ring raceway side, sealing ring is provided with annular space,
Described sealing ring includes rigid backbone and rubber bodies, it is characterised in that：Described rigid backbone includes the girth sheets of annular, circle
Plate radially extends, and the external diameter end of girth sheets to form cylinder circle to being overturn axially adjacent to raceway direction, and cylinder circle is fixed and is fitted in outer ring pair
Answer on the wall of annular space, rubber bodies include the outer dust excluder lips on girth sheets external diameter end, and the inner-diameter end of girth sheets is provided with and inner ring
The contact sealing lip of the wall contact of corresponding annular space, outer dust excluder lips be located at girth sheets be directed away from raceway side and axially towards
Extend to away from raceway one end, outer dust excluder lips root is fixed in rigid backbone, and the outer dust excluder lips other end is free end, outer dust-proof
The excircle side wall of lip is that the contact sealing surface that sealing coordinates is contacted with the wall of the corresponding annular space in outer ring, and the contact sealing surface is in
Cylinder circle is gradually protruded along external diameter direction from the free extreme direction of the outer outside dust excluder lips in dust excluder lips root in a free state to set, it is outer anti-
Dirt lip has for elastic deformation after outer dust excluder lips press-in annular space so that the wall of contact sealing surface annular space corresponding with outer ring
The relief groove of contact sealing is bonded to each other vertically, and relief groove is positioned opposite with contacting sealing surface.
2. clutch release bearing according to claim 1, it is characterised in that：The girth sheets be cross sectional shape be in axially towards
Raised " C " font in one end is enclosed to away from cylinder.
3. clutch release bearing according to claim 1 or claim 2, it is characterised in that：The contact sealing lip connects including root
The first lip body and the second lip body of " people " font are connected into, the first lip body and the second lip body are annular, the first lip body and the second lip
Lubricant grease packing space is formed between body.
4. a kind of bearing sealed ring, including rigid backbone and rubber bodies, it is characterised in that：Described rigid backbone includes annular
Girth sheets, girth sheets radially extends, and the external diameter end of girth sheets extends to form cylinder circle to axial turning, and rubber bodies are included outside girth sheets
Outer dust excluder lips on the end of footpath, the inner-diameter end of girth sheets are provided with contact sealing lip, outer dust excluder lips be located at girth sheets outside and axially towards
Cylinder circle extends backwards to one end, and outer dust excluder lips root is fixed in rigid backbone, and the outer dust excluder lips other end is free end, outer dust excluder lips
Excircle side wall for contact sealing surface, the contact sealing surface in a free state from the outer outside dust excluder lips in dust excluder lips root from
Cylinder circle is gradually protruded by extreme direction along external diameter direction to set, outer dust excluder lips have for elastic deformation after the press fitting of outer dust excluder lips so as to connect
Touch sealing surface and be bonded to each other the relief groove for contacting sealing vertically with mating surface, relief groove is positioned opposite with contacting sealing surface.
5. bearing sealed ring according to claim 4, it is characterised in that：The girth sheets is that cross sectional shape is in axially towards remote
Raised " C " font in one end is enclosed from cylinder.
6. according to the bearing sealed ring of claim 4 or 5, it is characterised in that：The contact sealing lip connects into including root
The first lip body and the second lip body of " people " font, the first lip body and the second lip body are annular, the first lip body and the second lip body it
Between formed lubricant grease packing space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720886395.9U CN206958103U (en) | 2017-07-20 | 2017-07-20 | Clutch release bearing and its sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720886395.9U CN206958103U (en) | 2017-07-20 | 2017-07-20 | Clutch release bearing and its sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206958103U true CN206958103U (en) | 2018-02-02 |
Family
ID=61381173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720886395.9U Active CN206958103U (en) | 2017-07-20 | 2017-07-20 | Clutch release bearing and its sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206958103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114202A (en) * | 2018-10-22 | 2019-01-01 | 北京因时机器人科技有限公司 | Planetary reduction box and its sealing ring |
-
2017
- 2017-07-20 CN CN201720886395.9U patent/CN206958103U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114202A (en) * | 2018-10-22 | 2019-01-01 | 北京因时机器人科技有限公司 | Planetary reduction box and its sealing ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 298 Fangjiashan Road, Huzhou City, Zhejiang Province 325000 Patentee after: Zhejiang Xinzi Precision Machinery Co.,Ltd. Patentee after: HUZHOU SANXING BEARING CO.,LTD. Address before: No. 298 Fangjiashan Road, Huzhou City, Zhejiang Province 325000 Patentee before: ZHEJIANG 8+1 PRECISION MACHINERY Co.,Ltd. Patentee before: HUZHOU SANXING BEARING CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |