CN207034001U - Associated sealing arrangement for bearings - Google Patents
Associated sealing arrangement for bearings Download PDFInfo
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- CN207034001U CN207034001U CN201720989436.7U CN201720989436U CN207034001U CN 207034001 U CN207034001 U CN 207034001U CN 201720989436 U CN201720989436 U CN 201720989436U CN 207034001 U CN207034001 U CN 207034001U
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- elasticity
- lip
- girth sheets
- circle
- assembling circle
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Abstract
It the utility model is related to a kind of associated sealing arrangement for bearings,Including outer ring,Inner ring and seal,Fitting recess is set on the inner peripheral surface of outer ring,The external diameter end of seal is in fitting recess,Seal includes girth sheets made of rigid material,Girth sheets includes the elasticity assembling circle of the girth sheets body radially extended and the elastically deformable positioned at girth sheets body outer radial side,The radial cross-sectional shape of elasticity assembling circle is opening towards axially external U-shaped,The axially inner side of fitting recess has the interior shaft shoulder,The axially external of fitting recess has the outer shaft shoulder,Fitting recess has and its corresponding circumferential bottom surface that is open,The outer axial face of the outer shaft shoulder of the interior axial face and position correspondence of the shaft shoulder in position correspondence,The inner-diameter end of elasticity assembling circle is connected with girth sheets body,The external diameter end elasticity of elasticity assembling circle, which contradicts, is matched with outer axial face,On circumferential bottom surface,The central floor panel elasticity of elasticity assembling circle, which abuts, to be matched with interior axial face.Using rigid elastic assembling structure, there is the advantages of pull-out force is big, safe and reliable.
Description
Technical field
Mechanical sealing technology is the utility model is related to, is specifically associated sealing arrangement for bearings and for associated sealing arrangement for bearings
On seal.
Background technology
As shown in figure 1, the sealing structure used on existing bearing uses sets rubber dust-proof lip at the external diameter end of sealing ring
Circle realizes close-fitting installation and reaches sealing.The sealing structure pull-out force of said structure is smaller, will in bearing seal pull-out force
Higher occasion is sought, such as high speed, high temperature occasion, high-speed and high-temperature easily causes the increase of Bearing inner pressure, and seal easily collapses lid.
The content of the invention
The present utility model purpose：The defects of to overcome prior art to exist, the utility model provide a kind of using firm
Property elasticity assembling structure, there is big, the safe and reliable associated sealing arrangement for bearings of pull-out force.
To achieve the above object, the utility model provides following technical scheme：
A kind of associated sealing arrangement for bearings, including outer ring, inner ring and seal, assembling is offered on the inner peripheral surface of outer ring
Groove, the external diameter end of seal are fixedly mounted in fitting recess, and the seal includes girth sheets made of rigid material, and its feature exists
In：Described girth sheets includes the elasticity of the girth sheets body radially extended and the elastically deformable positioned at girth sheets body outer radial side
Assembling circle, the radial cross-sectional shape of elasticity assembling circle are opening towards axially external U-shaped, the axially inner side of the fitting recess
With the interior shaft shoulder, the axially external of fitting recess has the outer shaft shoulder, and fitting recess has and its be open corresponding circumferential bottom surface, position pair
The outer axial face of the outer shaft shoulder of the interior axial face and position correspondence of the shaft shoulder, the inner-diameter end that elasticity assembling is enclosed connect with girth sheets body in answering
Connect, the external diameter end elasticity of elasticity assembling circle, which contradicts, is matched with outer axial face, on circumferential bottom surface, the central floor panel bullet of elasticity assembling circle
Property abut be matched with interior axial face.
The utility model forms elasticity assembling circle using rigid girth sheets, and assembling is fitted in after elasticity assembling circle elastic deformation
Groove, there is the advantages of assembling is solid and reliable, and pull-out force is big.
Preferably, the internal side diameter plate body of the elasticity assembling circle is radially upper tilts extension along internal side diameter.The structure design
Under, the axial elasticity deformability that elasticity assembling is enclosed is improved, improves the reliability of assembling.
Preferably, the outside diameter plate body of the elasticity assembling circle is radially upper tilts extension along outside diameter.The structure design
Under, the axial elasticity deformability that elasticity assembling is enclosed is improved, improves the reliability of assembling.
Preferably, the outside diameter plate body of the elasticity assembling circle assembles along external diameter side to overturn formed with axial end plate, elasticity
Circle contradicts through axial end plate and is matched with outer axial face, circumferential bottom surface.Under the structure design, elasticity assembling circle and fitting recess are improved
Coordinate reliability.
Preferably, the central floor panel of the elasticity assembling circle has the flat panel like portion radially extended, corresponding flat
Plate portion should coordinate with interior axially facing, internal side diameter plate body, the outside diameter plate body circular arc of flat panel like portion and elasticity assembling circle
Transition connects.Under the structure design, the cooperation reliability of elasticity assembling circle and fitting recess is improved.
Preferably, has elastic rubbery body in the central floor panel of the elasticity assembling circle, the elastic rubbery body is located at elasticity
Between central floor panel and the interior axial face of assembling circle.Under the structure design, it is reliable with the cooperation of fitting recess to improve elasticity assembling circle
Property, while sealing property is improved, prevent external moisture from entering.
Preferably, the internal diameter of the outer shaft shoulder is more than the internal diameter of the interior shaft shoulder.Under the structure design, outer low, interior high knot is realized
Structure, the installation for being easy to elasticity assembling to enclose, the cooperation of elasticity assembling circle are more solid and reliable.
Preferably, the interior longitudinal end of the girth sheets body is provided with rubber seal lip, rubber seal lip and inner ring inner peripheral surface
Contact sealing coordinates.Under the structure design, sealing cooperation is carried out using rubber lip, improves sealing property.
Preferably, sealed groove is provided with the outer circumference surface of the inner ring, is accordingly formed at sealed groove and is located at axle
Internal spherical surface and axially external outer annular surface to inner side, the diameter of internal spherical surface are more than outer annular surface, and the rubber is close
Envelope lip includes the first lip body, the second lip body, the 3rd lip body and the 4th lip body, and the 4th lip body extends towards axially inner side, and the 4th
The root of lip body is connected with the rubber ring portion extended along internal side diameter, and the first lip body, the second lip body and the 3rd lip body are located at rubber
In circle portion, located at the axially inner side in rubber ring portion, the second lip body and the 3rd lip body are radially spaced for the second lip body and the 3rd lip body
Arrangement, the second lip body and the 3rd lip body contact sealing with the inner side axial face of sealed groove and coordinated, and the first lip body is located at rubber
Axially external, the first lip body and the cooperation of outer annular surface gap in circle portion, the 4th lip body and the cooperation of internal spherical surface gap.The structure is set
Under meter, designed using four lip bodies, and fitted seal groove, be outer low and inner high planform at sealed groove, realize reliably
Sealing effectiveness.
Preferably, described girth sheets is the steel rim of spring made of spring steel.Under the structure design, there is preferable intensity
With elastic deformation ability.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the utility model background technology structural representation；
Fig. 2 is the utility model specific embodiment structural representation；
Fig. 3 is part A partial enlarged view in Fig. 2..
Embodiment
Referring to accompanying drawing 2 and accompanying drawing 3, a kind of associated sealing arrangement for bearings disclosed in the utility model, including outer ring 1, inner ring 2 and
Seal 3, fitting recess 11 is offered on the inner peripheral surface of outer ring 1, the external diameter end of seal 3 is fixedly mounted in fitting recess 11,
The seal 3 includes girth sheets 31 made of rigid material, and described girth sheets 31 is the steel rim of spring made of spring steel, described
Girth sheets 31 include the bullet of the girth sheets body 311 that radially extends and the elastically deformable positioned at the outer radial side of girth sheets body 311
Property assembling circle 312, the radial cross-sectional shape of elasticity assembling circle 312 is opening towards axially external U-shaped, the fitting recess 11
Axially inner side there is the interior shaft shoulder 12, the axially external of fitting recess 11 has an outer shaft shoulder 13, and fitting recess 11 has to be open pair with it
The interior axial face 112 of the shaft shoulder 12 and the outer axial face of the outer shaft shoulder 13 of position correspondence in the circumferential bottom surface 111 answered, position correspondence
113, the inner-diameter end of elasticity assembling circle 312 is connected with girth sheets body 311, and the external diameter end elasticity of elasticity assembling circle 312, which contradicts, to be coordinated
In on outer axial face 113, circumferential bottom surface 111, the elasticity abutting of central floor panel 3121 of elasticity assembling circle 312 is matched with interior axial face
On 112.The utility model forms elasticity assembling circle using rigid girth sheets, and assembling is fitted in after elasticity assembling circle elastic deformation
Groove, there is the advantages of assembling is solid and reliable, and pull-out force is big.
The internal side diameter plate body 3122 of the elasticity assembling circle 312 is radially upper to tilt extension along internal side diameter.The elasticity dress
Outside diameter plate body 3123 with circle 312 is radially upper to tilt extension along outside diameter.Because elasticity assembling girth sheets uses enlarging shape knot
Under structure design, it is possible to increase the axial elasticity deformability of elasticity assembling circle, improve the reliability of assembling.
The outside diameter plate body 3123 for enclosing 312 is assembled along external diameter side to overturn formed with axial end plate 3124, bullet in the elasticity
Property assembling circle 312 through axial end plate 3124 contradict be matched with outer axial face 113, circumferential bottom surface 111.Axial end plate can provide more
Good axially and radially conflict support, improve the cooperation reliability of elasticity assembling circle and fitting recess.Especially in the outer shaft shoulder 13
Internal diameter be more than the interior shaft shoulder 12 internal diameter.Outer low, interior high structure is presented in axial end portion in outer ring 1, convenient for assembly when,
Ensure that elasticity assembling circle is reliably caught in fitting recess.
Further, the central floor panel 3121 of the elasticity assembling circle 312 has the flat panel like portion radially extended,
Corresponding flat panel like portion and the interior corresponding matching of axial face 112, flat panel like portion enclose 312 internal side diameter plate body with elasticity assembling
3122nd, the arc transition of outside diameter plate body 3123 connects.Improve elasticity and assemble to enclose to contradict with the interior axial face of fitting recess and coordinate reliably
Property.And have elastic rubbery body 32 in the central floor panel 3121 of the elasticity assembling circle 312, the elastic rubbery body 32 is located at
Between the central floor panel 3121 and interior axial face 112 of elasticity assembling circle 312.Elastic rubbery body is realized and preferably flexibly supports and connect
Touch, while elastic rubbery body has more reliable contact, improves the cooperation reliability of elasticity assembling circle and fitting recess.
To improve sealing property, the utility model uses rubber seal, and girth sheets is the structure shape for improving rigid support skeleton
Into the interior longitudinal end of the girth sheets body 311 is provided with rubber seal lip, and rubber seal lip contacts sealing with the inner peripheral surface of inner ring 2
Coordinate.Sealing cooperation is carried out using rubber lip, improves sealing property.
Sealed groove 21 is provided with the outer circumference surface of the inner ring 2, is accordingly formed at sealed groove 21 positioned at axially
The internal spherical surface 22 of inner side and axially external outer annular surface 23, the diameter of internal spherical surface 22 is more than outer annular surface 23, described
Rubber seal lip includes the first lip body 33, the second lip body 34, the 3rd lip body 35 and the 4th lip body 36, and the 4th lip body 36 is towards axle
Extend to inner side, the root of the 4th lip body 36 is connected with the rubber ring portion 37 extended along internal side diameter, the first lip body 33, the second lip body
34th, for the 3rd lip body 35 in rubber ring portion 37, the axle of the second lip body 34, the 3rd lip body 35 located at rubber ring portion 37 is inside
Side, 35 radially spaced arrangement of the second lip body 34 and the 3rd lip body, the second lip body 34 and the 3rd lip body 35 with sealed groove 21
The contact sealing of inner side axial face coordinate, the first lip body 33 is located at axially external, the 4th lip body 36 and the inner ring in rubber ring portion 37
The gap of shape face 22 coordinates, and the first lip body 33 coordinates with the gap of outer annular surface 23.Designed using four lip bodies, and fitted seal is recessed
Groove, it is outer low and inner high planform at sealed groove, realizes reliable sealing effectiveness.
Claims (10)
1. a kind of associated sealing arrangement for bearings, including outer ring, inner ring and seal, fitting recess is offered on the inner peripheral surface of outer ring,
The external diameter end of seal is fixedly mounted in fitting recess, and the seal includes girth sheets made of rigid material, it is characterised in that：
Described girth sheets includes the elasticity dress of the girth sheets body radially extended and the elastically deformable positioned at girth sheets body outer radial side
With circle, the radial cross-sectional shape of elasticity assembling circle has for opening towards axially external U-shaped, the axially inner side of the fitting recess
There is the interior shaft shoulder, the axially external of fitting recess has the outer shaft shoulder, and fitting recess has and its be open corresponding circumferential bottom surface, position correspondence
The outer axial face of the outer shaft shoulder of the interior axial face and position correspondence of the interior shaft shoulder, the inner-diameter end of elasticity assembling circle connect with girth sheets body
Connect, the external diameter end elasticity of elasticity assembling circle, which contradicts, is matched with outer axial face, on circumferential bottom surface, the central floor panel bullet of elasticity assembling circle
Property abut be matched with interior axial face.
2. associated sealing arrangement for bearings according to claim 1, it is characterised in that：The internal side diameter plate body of the elasticity assembling circle is in footpath
Tilt and extend along internal side diameter upwards.
3. associated sealing arrangement for bearings according to claim 1 or claim 2, it is characterised in that：The outside diameter plate body of the elasticity assembling circle
Tilt and extend along outside diameter on radially.
4. associated sealing arrangement for bearings according to claim 1, it is characterised in that：The outside diameter plate body of the elasticity assembling circle is outside
For footpath side to overturn formed with axial end plate, elasticity assembling circle contradicts through axial end plate is matched with outer axial face, circumferential bottom surface.
5. associated sealing arrangement for bearings according to claim 1, it is characterised in that：It is described elasticity assembling circle central floor panel have into
The flat panel like portion radially extended, corresponding flat panel like portion should coordinate with interior axially facing, and flat panel like portion fills with elasticity
Internal side diameter plate body with circle, the connection of outside diameter plate body arc transition.
6. according to 1 or 2 or 4 or 5 associated sealing arrangement for bearings of claim, it is characterised in that：The centre of the elasticity assembling circle
Has elastic rubbery body on bottom plate, the elastic rubbery body is between the central floor panel and interior axial face of elasticity assembling circle.
7. according to 1 or 2 or 4 or 5 associated sealing arrangement for bearings of claim, it is characterised in that：The internal diameter of the outer shaft shoulder is more than
The internal diameter of the interior shaft shoulder.
8. according to 1 or 2 or 4 or 5 associated sealing arrangement for bearings of claim, it is characterised in that：The interior radial direction of the girth sheets body
End is provided with rubber seal lip, and rubber seal lip contacts sealing with inner ring inner peripheral surface and coordinated.
9. associated sealing arrangement for bearings according to claim 8, it is characterised in that：Sealing is provided with the outer circumference surface of the inner ring
Groove, internal spherical surface and axially external outer annular surface positioned at axially inner side, annular are accordingly formed at sealed groove
The diameter in face is more than outer annular surface, and the rubber seal lip includes the first lip body, the second lip body, the 3rd lip body and the 4th lip
Body, the 4th lip body extend towards axially inner side, and the root of the 4th lip body is connected with the rubber ring portion extended along internal side diameter, the first lip
In rubber ring portion, the axle of the second lip body and the 3rd lip body located at rubber ring portion is inside for body, the second lip body and the 3rd lip body
The inner side axial direction of side, the second lip body and the 3rd radially spaced arrangement of lip body, the second lip body and the 3rd lip body with sealed groove
Face contact sealing coordinates, and the first lip body is axially external located at rubber ring portion, and the first lip body coordinates with outer annular surface gap, and the 4th
Lip body coordinates with internal spherical surface gap.
10. according to 1 or 2 or 4 or 5 associated sealing arrangement for bearings of claim, it is characterised in that：Described girth sheets is by spring steel
Manufactured steel rim of spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989436.7U CN207034001U (en) | 2017-08-09 | 2017-08-09 | Associated sealing arrangement for bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989436.7U CN207034001U (en) | 2017-08-09 | 2017-08-09 | Associated sealing arrangement for bearings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207034001U true CN207034001U (en) | 2018-02-23 |
Family
ID=61474808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720989436.7U Active CN207034001U (en) | 2017-08-09 | 2017-08-09 | Associated sealing arrangement for bearings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207034001U (en) |
-
2017
- 2017-08-09 CN CN201720989436.7U patent/CN207034001U/en active Active
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 298, Fangjia mountain road, Huzhou, Zhejiang Province Patentee after: Zhejiang Xinzi Precision Machinery Co.,Ltd. Patentee after: HUZHOU SANDUO BEARING CO.,LTD. Address before: No. 298, Fangjia mountain road, Huzhou, Zhejiang Province Patentee before: ZHEJIANG 8+1 PRECISION MACHINERY Co.,Ltd. Patentee before: HUZHOU SANDUO BEARING CO.,LTD. |