CN206889674U - A kind of sealing ring that can be compensated automatically - Google Patents
A kind of sealing ring that can be compensated automatically Download PDFInfo
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- CN206889674U CN206889674U CN201720805443.7U CN201720805443U CN206889674U CN 206889674 U CN206889674 U CN 206889674U CN 201720805443 U CN201720805443 U CN 201720805443U CN 206889674 U CN206889674 U CN 206889674U
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- lip
- sealing ring
- seal lip
- compensated automatically
- seal
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Abstract
The utility model provides a kind of sealing ring that can be compensated automatically.The structure that it solves existing sealing ring is excessively simple, can not realize automatic compensation, the technical problems such as usage time is short.Originally the sealing ring that can be compensated automatically, including L-shaped skeleton, seal is provided with skeleton, there is primary seal lip and secondary sealing lip on the medial surface of seal, the section of primary seal lip is triangle, there is corrugated body on the lip of primary seal lip, extension spring is additionally provided with primary seal lip, the section of secondary sealing lip is Z-shaped, the lip of secondary sealing lip tilts and offers relief groove towards inner side, the sidepiece of secondary sealing lip, also have side seal lip on the outer face of seal, the lip of side seal lip is tilted towards outside, and the angle of side seal lip and center line is 24 28 °.The utility model has the advantages of service life is long.
Description
Technical field
A kind of sealing ring is the utility model is related to, particularly a kind of sealing ring that can be compensated automatically.
Background technology
Sealing ring is widely used in all trades and professions as a kind of conventional machinery part, primarily serves liquidproof, anti-gas
The effect of leakage.The sealing ring overwhelming majority of prior art production is sealed by elastomeric body, and sealing force is mainly
By system in itself and sealing ring lip body natural resiliency provide.With widely using for sealing ring, different application fields is to close
Seal it is also proposed harsher requirement.Wherein, the most important two indices for evaluating the sealing property of sealing ring are leakage rates
And friction, sealing leak can increase system maintenance cost, pollution environment, can also lead to fatal disaster；The abrasion of sealing ring, not only
Cause the increase of sealing leak amount, substantially reduce the service life of sealing ring, seriously constrain the serviced mechanical system design longevity
The realization of life, while also result in energy waste and economic loss.
Through retrieval, as Chinese patent literature discloses a kind of sealing ring【Application number：201620272866.2；Publication number：CN
205479325U】.This sealing ring, including circular ring type body, body outer circle wall form annular groove, it is characterised in that：Institute
State inner body wall and be provided with seal and lower seal, upper seal and lower seal are set in mirror image；The upper seal
The narrow sealing ring being parallel to each other with lower seal by a wide sealing ring and two forms；Width sealing ring body end is inclined
Tiltedly；Narrow sealing ring body central tilts.
Although the sealing ring cost disclosed in the patent is cheap, the structure of the sealing ring is excessively simple, can not realize
Automatic compensation, usage time is short, and therefore, it is necessary to design a kind of sealing ring that can be compensated automatically.
The content of the invention
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that it is a kind of can compensate automatically it is close
Seal, the sealing ring have the characteristics of service life is long.
The purpose of this utility model can be realized by following technical proposal：A kind of sealing ring that can be compensated automatically, including
L-shaped skeleton, it is characterised in that be provided with seal on the skeleton, have on the medial surface of seal primary seal lip and
Secondary sealing lip, the section of primary seal lip is triangle, has corrugated body on the lip of primary seal lip, is additionally provided with primary seal lip
Extension spring, the section of secondary sealing lip is Z-shaped, and the lip of secondary sealing lip, which is tilted towards inner side, the sidepiece of secondary sealing lip, offers decompression
Groove, also has side seal lip on the outer face of seal, and the lip of side seal lip is tilted towards outside, side seal lip and center line
Angle be 24-28 °.
Using above structure, by extension spring pretension primary seal lip and secondary sealing lip, when it during bearing rotary with wearing
Afterwards, primary seal lip and the wear extent of secondary sealing lip can be compensated automatically by the pretension of extension spring, makes its sealing property more permanent
Effectively；There is corrugated body on the lip of primary seal lip, make it preferably and bearing touch, resistance between the two can be reduced；Together
When, by the sealing function of side seal lip, realize multi-sealed, service life length.
The section of the corrugated body is waveform or zigzag.
Using above structure, can aspect it is processed, it is easy to process.
The primary seal lip also has grease groove between the two with secondary sealing lip.
Using above structure, both can be lubricated by grease groove.
The material of the seal is rubber.
The inner side of the skeleton has some recessed ribs.
Using above structure, the overall use intensity of skeleton can be increased, it is convenient to reinforce.
The surface of the primary seal lip, secondary sealing lip and side seal lip is equipped with coat.
Using above structure, preferable temperature tolerance, weatherability and resistance to acids and bases can be made it have by coat, so as to
For under a variety of environment, use range to be wide.
The material of the coat is dimethylbenzene.
As another situation, the material of the coat is polytetrafluoroethylene (PTFE).
The thickness of the coat is 0.03-0.06mm.
Compared with prior art, the sealing ring that originally can be compensated automatically has advantages below：
1st, by extension spring pretension primary seal lip and secondary sealing lip in the utility model, when it during bearing rotary with wearing
Afterwards, primary seal lip and the wear extent of secondary sealing lip can be compensated automatically by the pretension of extension spring, makes its sealing property more permanent
Effectively；There is corrugated body on the lip of primary seal lip, make it preferably and bearing touch, resistance between the two can be reduced；Together
When, by the sealing function of side seal lip, realize multi-sealed, service life length.
2nd, the inner side of skeleton has some recessed ribs, using the structure, can increase the overall use intensity of skeleton,
It is convenient to reinforce.
3rd, the surface of primary seal lip, secondary sealing lip and side seal lip is equipped with coat, using the structure, passes through coat
Preferable temperature tolerance, weatherability and resistance to acids and bases can be made it have, so as to under a variety of environment, use range to be wide.
Brief description of the drawings
Fig. 1 is planar structure schematic diagram of the present utility model.
Fig. 2 is the planar structure schematic diagram that the utility model removes part.
In figure, 1, skeleton；2nd, seal；2a, primary seal lip；2a1, corrugated body；2b, secondary sealing lip；2b1, relief groove；
2c, side seal lip；3rd, extension spring；4th, coat.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As Figure 1-Figure 2, the sealing ring that originally can be compensated automatically, including L-shaped skeleton 1, in the present embodiment, skeleton
1 material is carbon steel；Seal 2 is provided with skeleton 1, there is primary seal lip 2a and secondary sealing lip on the medial surface of seal 2
2b, primary seal lip 2a section are triangle, have corrugated body 2a1 on primary seal lip 2a lip, are also set on primary seal lip 2a
Extension spring 3 is equipped with, in the present embodiment, the existing product that extension spring 3 can be bought using in the market；Secondary sealing lip 2b section is Z
Shape, secondary sealing lip 2b lip tilts to be offered relief groove 2b1, passes through relief groove 2b1 towards inner side, secondary sealing lip 2b sidepiece
To being depressurized during its use；Also there is side seal lip 2c, side seal lip 2c lip inclines on the outer face of seal 2
Tiltedly towards outside, the angle of side seal lip 2c and center line is 24-28 °, in the present embodiment, side seal lip 2c and center line
Angle is 26 °.
Using the structure, by the pretension primary seal lip 2a of extension spring 3 and secondary sealing lip 2b, when it during bearing rotary with grinding
After damage, primary seal lip 2a and secondary sealing lip 2b wear extent can be compensated automatically by the pretension of extension spring 3, make its sealing property more
Lengthen effective long；There is corrugated body 2a1 on primary seal lip 2a lip, make it preferably and bearing touch, both can be reduced it
Between resistance；Meanwhile by side seal lip 2c sealing function, realize multi-sealed, service life length.
Corrugated body 2a1 section is waveform or zigzag, and in the present embodiment, corrugated body 2a1 section is waveform.
Using the structure, can aspect it is processed, it is easy to process.
Primary seal lip 2a and secondary sealing lip 2b also has grease groove between the two.
Using the structure, both can be lubricated by grease groove.
The material of seal 2 is rubber, and in the present embodiment, rubber uses the current material that in the market can be bought, such as
Fluorine glue, nitrile rubber or silica gel.
The inner side of skeleton 1 has some recessed ribs, and in the present embodiment, the quantity of rib is 20.
Using the structure, the overall use intensity of skeleton 1 can be increased, it is convenient to reinforce.
Primary seal lip 2a, secondary sealing lip 2b and side seal lip 2c surface are equipped with coat 4.
Using the structure, preferable temperature tolerance, weatherability and resistance to acids and bases can be made it have by coat 4, so as to
For under a variety of environment, use range to be wide.
The material of coat 4 is dimethylbenzene.
Certainly, according to actual conditions, this kind of embodiment can also be used, the material of coat 4 is polytetrafluoroethylene (PTFE).
The thickness of coat 4 is 0.03-0.06mm, and in the present embodiment, the thickness of coat 4 is 0.04mm.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although 1, skeleton has more been used herein；2nd, seal；2a, primary seal lip；2a1, corrugated body；2b, secondary sealing
Lip；2b1, relief groove；2c, side seal lip；3rd, extension spring；4th, the term such as coat, but it is not precluded from the possibility using other terms
Property.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；It is construed as any
A kind of additional limitation is all disagreed with the utility model spirit.
Claims (9)
1. a kind of sealing ring that can be compensated automatically, including L-shaped skeleton, it is characterised in that sealing is provided with the skeleton
Body, has primary seal lip and secondary sealing lip on the medial surface of seal, and the section of primary seal lip is triangle, the lip of primary seal lip
There is corrugated body on mouth, extension spring is additionally provided with primary seal lip, the section of secondary sealing lip is Z-shaped, and the lip of secondary sealing lip tilts
Towards inner side, the sidepiece of secondary sealing lip offers relief groove, also has side seal lip on the outer face of seal, side seal lip
Lip is tilted towards outside, and the angle of side seal lip and center line is 24-28 °.
2. the sealing ring according to claim 1 that can be compensated automatically, it is characterised in that the section of the corrugated body is wave
Shape or zigzag.
3. the sealing ring according to claim 1 that can be compensated automatically, it is characterised in that the primary seal lip and secondary sealing lip
Also there is grease groove between the two.
4. the sealing ring according to claim 1 that can be compensated automatically, it is characterised in that the material of the seal is rubber
Glue.
5. the sealing ring according to claim 1 that can be compensated automatically, it is characterised in that the inner side of the skeleton has some
Recessed rib.
6. the sealing ring according to claim 1 that can be compensated automatically, it is characterised in that the primary seal lip, secondary sealing lip
Coat is equipped with the surface of side seal lip.
7. the sealing ring according to claim 6 that can be compensated automatically, it is characterised in that the material of the coat is diformazan
Benzene.
8. the sealing ring according to claim 6 that can be compensated automatically, it is characterised in that the material of the coat is poly- four
PVF.
9. the sealing ring according to claim 6 that can be compensated automatically, it is characterised in that the thickness of the coat is
0.03-0.06mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720805443.7U CN206889674U (en) | 2017-07-05 | 2017-07-05 | A kind of sealing ring that can be compensated automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720805443.7U CN206889674U (en) | 2017-07-05 | 2017-07-05 | A kind of sealing ring that can be compensated automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889674U true CN206889674U (en) | 2018-01-16 |
Family
ID=61299306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720805443.7U Active CN206889674U (en) | 2017-07-05 | 2017-07-05 | A kind of sealing ring that can be compensated automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184718A (en) * | 2018-11-27 | 2019-01-11 | 江苏凯宫隧道机械有限公司 | The shield owner that band compensates automatically drives sealing and main driving sealing structure |
| CN111750107A (en) * | 2019-03-28 | 2020-10-09 | 舍弗勒技术股份两合公司 | Framework for sealing device and sealing device |
-
2017
- 2017-07-05 CN CN201720805443.7U patent/CN206889674U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184718A (en) * | 2018-11-27 | 2019-01-11 | 江苏凯宫隧道机械有限公司 | The shield owner that band compensates automatically drives sealing and main driving sealing structure |
| CN111750107A (en) * | 2019-03-28 | 2020-10-09 | 舍弗勒技术股份两合公司 | Framework for sealing device and sealing device |
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