CN207161539U - Spring steel formula seal - Google Patents
Spring steel formula seal Download PDFInfo
- Publication number
- CN207161539U CN207161539U CN201720988937.3U CN201720988937U CN207161539U CN 207161539 U CN207161539 U CN 207161539U CN 201720988937 U CN201720988937 U CN 201720988937U CN 207161539 U CN207161539 U CN 207161539U
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- lip
- elasticity
- spring steel
- girth sheets
- circle
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Abstract
It the utility model is related to a kind of spring steel formula seal, including girth sheets made of rigid material and the rubber parts being attached on girth sheets, rubber parts includes the rubber seal lip located at girth sheets inner-diameter end, described 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, U-shaped of the radial cross-sectional shape of elasticity assembling circle for opening towards axial direction, girth sheets is the steel rim of spring made of spring steel.Formed using spring steel construction, there is the advantages of pull-out force after installing is big, safe and reliable.
Description
Technical field
It the utility model is related to mechanical sealing member.
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 one kind and use bullet
Spring steel construction is formed, and has the spring steel formula seal that pull-out force is big, safe and reliable after installing.
To achieve the above object, the utility model provides following technical scheme：
A kind of spring steel formula seal, including girth sheets made of rigid material and the rubber parts that is attached on girth sheets, rubber
Part includes the rubber seal lip located at girth sheets inner-diameter end, it is characterised in that：Described girth sheets includes the girth sheets body radially extended
And the elasticity assembling circle of the elastically deformable positioned at girth sheets body outer radial side, the radial cross-sectional shape of elasticity assembling circle are
For opening towards the U-shaped of axial direction, girth sheets is the steel rim of spring made of spring steel.
By using above-mentioned technical proposal, skeleton of the girth sheets as seal, it is made of spring steel, elasticity assembling circle is real
Now assemble, during press fitting, elasticity assembling circle deformation, after being pressed onto position, elasticity assembling circle recovers deformation, has solid and reliable, pulls out
Take off the advantages of power 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 that the elasticity assembling is enclosed is along external diameter side to overturn formed with axial end plate.The structure is set
Under meter, the elasticity conflict of the outside diameter plate body of elasticity assembling circle is improved, ensures to coordinate reliability.
Preferably, the central floor panel of the elasticity assembling circle has the flat panel like portion radially extended, planar portion
Divide and be connected with the internal side diameter plate body of elasticity assembling circle, outside diameter plate body arc transition.Under the structure design, elasticity assembling circle is improved
Axial elasticity contradicts the reliability coordinated.
Preferably, the rubber parts also includes the elastic rubbery body being attached in the central floor panel of elasticity assembling circle, the bullet
Property rubber bodies located at elasticity assembling circle central floor panel towards elasticity assembling circle opening reverse side.Under the structure design, carry
High resiliency assembling circle contradicts by elastic rubbery body, coordinates reliability, while improves sealing property, prevents external moisture from entering.
Preferably, the rubber seal lip includes the first lip body, the second lip body, the 3rd lip body and the 4th lip body, and the 4th
For lip body towards elasticity assembling circle opening side extension is facing axially away from, the root of the 4th lip body is connected with the rubber extended along internal side diameter
Circle portion, the first lip body, the second lip body and the 3rd lip body are in rubber ring portion, the second lip body, the 3rd lip body and the 4th lip body
Be axially facing consistent, the second lip body and the 3rd radially spaced arrangement of lip body, the first lip body are axially facing and the second lip body
It is axially facing opposite.Under the structure design, designed using four lip bodies, realize reliable sealing effectiveness.
Preferably, the 3rd lip body and the 4th lip body are arranged in herringbone.It is close when sealing coordinates under the structure design
Seal 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 background technology structural representation；
Fig. 2 is the structural representation under the use state that the utility model specific embodiment is applied on bearing；
Fig. 3 is part A partial enlarged view in Fig. 2.
Embodiment
Referring to accompanying drawing 2 and accompanying drawing 3, a kind of spring steel formula seal disclosed in the utility model, it is applied on bearing, when
So as needed, spring steel formula seal of the present utility model can be also used for other rotate against and be used on part.It has
Body structure is：Including girth sheets made of rigid material 1 and the rubber parts being attached on girth sheets 12, described girth sheets 1 is by spring
Steel rim of spring made of steel, described girth sheets 1 include the girth sheets body 11 radially extended and positioned at the outer radials of girth sheets body 11
The elasticity assembling circle 12 of the elastically deformable of side, elasticity assemble U-shaped of the radial cross-sectional shape of circle 12 for opening towards axial direction,
It is provided with fitting recess 31 on bearing outer ring 3, the axially inner side of the fitting recess 31 has an interior shaft shoulder 32, and the axle of fitting recess 31 is outside
Side has the outer shaft shoulder 33, and fitting recess 31 has the interior axial direction with the shaft shoulder 32 in its corresponding circumferential bottom surface 311 that is open, position correspondence
Face 312 and the outer axial face 313 of the outer shaft shoulder 33 of position correspondence, the inner-diameter end of elasticity assembling circle 12 are connected with girth sheets body 11,
The external diameter end of elasticity assembling circle 12 contradicts and coordinated with outer axial face 313, the elasticity of circumferential bottom surface 311, the centre of elasticity assembling circle 12
The elasticity of bottom plate 121, which abuts, to be matched with interior axial face 312.
The internal side diameter plate body 122 of the elasticity assembling circle 12 is radially upper to tilt extension along internal side diameter.The elasticity assembling
The outside diameter plate body 123 of circle 12 is radially upper to tilt extension along outside diameter.Because elasticity assembling girth sheets is set using enlarging shape structure
Under meter, it is possible to increase the axial elasticity deformability of elasticity assembling circle, improve the reliability of assembling.
Filled in the outside diameter plate body 123 of the elasticity assembling circle 12 along external diameter side to overturn formed with axial end plate 124, elasticity
Contradicted with circle 12 through axial end plate 124 and be matched with outer axial face 313, circumferential bottom surface 311.Axial end plate can provide more preferable axle
Supported to radial interference, improve the cooperation reliability of elasticity assembling circle and fitting recess.It is especially big in the internal diameter of the outer shaft shoulder
In the internal diameter of the interior shaft shoulder.Outer low, interior high structure is presented in axial end portion in outer ring, convenient for assembly when, ensures elasticity dress
Reliably it is caught in circle in fitting recess.
Further, the central floor panel 121 of the elasticity assembling circle 12 has the flat panel like portion radially extended, phase
The internal side diameter plate body 122 of the flat panel like portion answered and the interior corresponding matching of axial face 312, flat panel like portion and elasticity assembling circle 12,
The arc transition of outside diameter plate body 123 connects.Improve elasticity assembling and enclose to contradict with the interior axial face of fitting recess and coordinate reliability.
The rubber parts 2 is located at the rubber seal lip of the internal side diameter of girth sheets body 11 including rubber and is attached to the elasticity assembling
Elastic rubbery body 21 in the central floor panel 121 of circle 12, the elastic rubbery body 21 enclose 12 central floor panel 121 located at elasticity assembling
Away from the side of the opening of elasticity assembling circle 12, i.e., pass through elastic caoutchouc between the central floor panel and interior axial face of elasticity assembling circle
Body is coordinated.Elastic rubbery body realizes preferably resilient support and contact, while elastic rubbery body has more reliable contact,
Improve the cooperation reliability of elasticity assembling circle and fitting recess.Rubber seal lip coordinates with bearing inner race sealing, in the cylindrical of inner ring 4
Side face is provided with sealed groove 41, and the internal spherical surface 42 for being located at axially inner side is accordingly formed at sealed groove 41 and axle is outside
The outer annular surface 43 of side, the diameter of internal spherical surface 42 are more than outer annular surface 43, and the rubber seal lip includes the first lip body 22, the
Bilabiate body 23, the 3rd lip body 24 and the 4th lip body 25, the 4th lip body 25 enclose 12 opening sides towards elasticity assembling is facing axially away from
Extension, the second lip body 23, the 3rd lip body 24 are consistent with being axially facing for the 4th lip body 25, and the root of the body of the 4th lip 25 is connected with edge
The rubber ring portion 26 of internal side diameter extension, the first lip body 22, the second lip body 23 and the 3rd lip body 24 are located in rubber ring portion 26, the
23 and the 3rd lip body of bilabiate body, 24 radially spaced arrangement, the inner side of the second lip body 23 and the 3rd lip body 24 with sealed groove 41
Axial face contact sealing coordinates, the first lip body 22 be axially facing with the second lip body 23 be axially facing on the contrary, the first lip body 22 with
Outer annular surface gap coordinates.Designed using four lip bodies, and fitted seal groove, be outer low and inner high structure shape at sealed groove
Shape, realize reliable sealing effectiveness.The 3rd lip body 24 and the 4th lip body 25 are arranged in herringbone.It is close under the structure design
Sealing effectiveness when envelope coordinates.
Claims (10)
1. a kind of spring steel formula seal, including girth sheets made of rigid material and the rubber parts that is attached on girth sheets, rubber parts
Including the rubber seal lip located at girth sheets inner-diameter end, it is characterised in that：Described girth sheets include the girth sheets body that radially extends with
And the elasticity of the elastically deformable positioned at girth sheets body outer radial side assembles circle, the radial cross-sectional shape of elasticity assembling circle is to open
For mouth towards the U-shaped of axial direction, girth sheets is the steel rim of spring made of spring steel.
2. spring steel formula seal according to claim 1, it is characterised in that：The elasticity assembles the internal side diameter plate body enclosed
Radially tilt and extend along internal side diameter.
3. spring steel formula seal according to claim 1, it is characterised in that：The elasticity assembles the outside diameter plate body enclosed
Radially tilt and extend along outside diameter.
4. according to the 1 or 2 or 3 spring steel formula seal of claim, it is characterised in that：The outside diameter of the elasticity assembling circle
Plate body is along external diameter side to overturn formed with axial end plate.
5. according to the 1 or 2 or 3 spring steel formula seal of claim, it is characterised in that：The middle bottom of the elasticity assembling circle
Plate has the flat panel like portion radially extended, internal side diameter plate body, the outside diameter plate body of flat panel like portion and elasticity assembling circle
Arc transition connects.
6. according to the 1 or 2 or 3 spring steel formula seal of claim, it is characterised in that：The rubber parts, which also includes, to be attached to
Elastic rubbery body in the central floor panel of elastic assembling circle, the elastic rubbery body are located at the elastic central floor panel for assembling circle towards bullet
Property assembling circle opening reverse side.
7. spring steel formula seal according to claim 4, it is characterised in that：The rubber parts, which also includes, is attached to elastic dress
Elastic rubbery body in central floor panel with circle, the elastic rubbery body assemble located at the central floor panel of elasticity assembling circle towards elasticity
Enclose the reverse side of opening.
8. spring steel formula seal according to claim 5, it is characterised in that：The rubber parts, which also includes, is attached to elastic dress
Elastic rubbery body in central floor panel with circle, the elastic rubbery body assemble located at the central floor panel of elasticity assembling circle towards elasticity
Enclose the reverse side of opening.
9. spring steel formula seal according to claim 1, it is characterised in that：The rubber seal lip include the first lip body,
Second lip body, the 3rd lip body and the 4th lip body, the 4th lip body enclose the extension of opening side towards elastic assemble is facing axially away from, 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, the second lip body, the 3rd lip body and the 4th lip body are axially facing consistent, and the second lip body and the 3rd lip body are radially spaced
Arrangement, the first lip body is axially facing opposite with being axially facing for the second lip body.
10. spring steel formula seal according to claim 9, it is characterised in that：The 3rd lip body and the 4th lip body are in people
Font is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988937.3U CN207161539U (en) | 2017-08-09 | 2017-08-09 | Spring steel formula seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720988937.3U CN207161539U (en) | 2017-08-09 | 2017-08-09 | Spring steel formula seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161539U true CN207161539U (en) | 2018-03-30 |
Family
ID=61716297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720988937.3U Active CN207161539U (en) | 2017-08-09 | 2017-08-09 | Spring steel formula seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161539U (en) |
-
2017
- 2017-08-09 CN CN201720988937.3U patent/CN207161539U/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: 325000 Wenzhou economic and Technological Development Zone, Wenzhou, Wenzhou, Zhejiang Province, No. 515, seashore Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Address before: 325000 Wenzhou economic and Technological Development Zone, Wenzhou, Wenzhou, Zhejiang Province, No. 515, seashore Patentee before: C & U Group Ltd. Patentee before: SHANGHAI C&U GROUP Co.,Ltd. |