CN102927272B - A kind of automobile sealing device - Google Patents
A kind of automobile sealing device Download PDFInfo
- Publication number
- CN102927272B CN102927272B CN201210408865.2A CN201210408865A CN102927272B CN 102927272 B CN102927272 B CN 102927272B CN 201210408865 A CN201210408865 A CN 201210408865A CN 102927272 B CN102927272 B CN 102927272B
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- China
- Prior art keywords
- layer
- pad
- gasket
- bearing
- composite
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- 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.)
- Expired - Fee Related
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- Gasket Seals (AREA)
- Sealing Of Bearings (AREA)
Abstract
The invention discloses a kind of automobile sealing device, including composite sealing pad, described composite sealing pad is arranged between bearing and bearing (ball) cover, and described bearing is arranged on the end of power transmission shaft, and described composite sealing pad has the encapsulant of more than two-layer to constitute.Described composite sealing pad includes metal gasket layer, airtight air cavity layer, composite coated layer, and described airtight air cavity layer is located at the intermediate layer of described composite sealing pad.Use at the gasket surface coat with rubber such as copper or aluminum, by improving the local deformation property of gasket surface, make two sealed faying face better seals coordinate, improve the sealing effectiveness of pad, reduce the poorly sealed phenomenons such as leakage, seepage.It is effectively improved the service life of gasket seal.It is effectively guaranteed the springback capacity of pad.Improve pad local deformation ability；Safe and reliable；Sealing property is more preferable；Life-span is longer.
Description
Technical field
The invention belongs to motor vehicle components manufacturing technology field, specifically, relate to a kind of automobile and seal
Device.
Background technology
At present, in motor vehicle components sealing device manufacturing technology field, sealing device be a kind of for machinery,
The sealing spare part of the fluid passage such as equipment, pipeline, uses inside and outside, plays the sealing function of equipment, pipeline.
In prior art, sealing device many employings gasket seal is main, and gasket seal is with metal or nonmetal tabular material
Matter, cleaved, the technique such as punching press or cutting is made, being tightly connected between pipeline, machinery equipment
Being tightly connected between parts and parts.Metallic packing and nonmetal gasket seal can be divided into by material.
Metal have copper backing, stainless steel gasket, iron gasket, aluminium backing etc..
In prior art, gasket seal is generally made up of flaky material, such as packing paper, and rubber, silicone rubber, metal,
Cork, felt, neoprene, nitrile rubber, the material such as glass fibre or plastic polymer is made, and is placed on
To strengthen the material sealed between two planes, for the sealing unit preventing fluid leakage to be arranged between end count front cover
Part.Pad is the mechanical seal between two articles, generally with the leakage that is under pressure between the two articles that prevents.
But there is following technical problem in conventional seals pad of the prior art:
1, conventional seals pad of the prior art, owing to machining surface can not be perfect, or machined surface
Roughness is poor, and sealing property is poor；
2, conventional pads of the prior art, because only that layer of metal sheet, does not have the merit of self-adapting seal
Can, and get rusty easily, use limitation relatively big, often sealing effectiveness declines, and time serious, will make to seal
Lost efficacy, led to loss；
3, conventional seals pad of the prior art, owing to using single layer structure, it is impossible to realizes sealing and automatically mends
Repay, after long-time use, largely effect on the effect of sealing.
Summary of the invention
The technical problem to be solved is, conventional seals pad of the prior art, owing to machinery adds
Work surface can not be perfect, or machined surface roughness is poor, and sealing property is poor；Not there is self-adapting seal
Function, and get rusty easily, use limitation relatively big, often sealing effectiveness declines, and time serious, will make
Seal failure, leads to loss；After long-time use, it is impossible to realize sealing automatic compensation, largely effect on sealing
The technical problem such as effect, and provide a kind of automobile sealing device.
Idea of the invention is that, coarse in order to solve above-mentioned conventional pads machined surface, self-adapting seal poor performance,
Cannot realize sealing the technical problems such as automatic compensation, and provide a kind of new technical scheme, i.e. in existing skill
On the basis of art conventional seals pad, multi-layer sealed combination is set, constitutes composite sealing pad.
The technical scheme that the present invention provides is, a kind of automobile sealing device, including composite sealing pad, institute
Stating composite sealing pad to be arranged between bearing and bearing (ball) cover, described bearing is arranged on the end of power transmission shaft,
Described composite sealing pad has the encapsulant of more than two-layer to constitute.
Described composite sealing pad includes metal gasket layer, airtight air cavity layer, composite coated layer, described close
Close air cavity layer and be located at the intermediate layer of described composite sealing pad.
The upper and lower faces of described airtight air cavity layer is connected with described metal gasket layer respectively.
Metal gasket layer is connected with described composite coated layer.
Described metal gasket layer includes metallic gasket, is provided with circular hole, described metal gasket in the middle of described metallic gasket
The outer surface of sheet is provided with composite coated layer.
Described composite coated layer is rubber coating layer, and described rubber coating layer is that tetrafluoroethene clip pack is rubber combined
Material.
The described rubber coating layer of described metallic gasket front and back by centre in peripheral direction, rubber
The thickness of layer is gradually by thin thickening.
Being additionally provided with some apertures on described metallic gasket, the positive and negative coated on both sides layer on described metallic gasket leads to
Small holes is connected together.
After described bearing (ball) cover coordinates installation with described composite sealing pad, it is internally formed at described bearing (ball) cover
Internal voids.
Described airtight air cavity layer, when being squeezed, will be filled with the internal voids of described bearing (ball) cover.
Use technical scheme provided by the present invention, it is possible to effectively solve conventional seals pad of the prior art,
Owing to machining surface can not be perfect, or machined surface roughness is poor, and sealing property is poor；Do not have
The function of self-adapting seal, uses limitation relatively big, and often sealing effectiveness declines, and time serious, will make close
Envelope lost efficacy, and led to loss；After long-time use, easily cause and get rusty, it is impossible to realize sealing automatic compensation,
The technical problems such as the effect largely effecting on sealing, also have the advantage that meanwhile
1, use at the gasket surface coat with rubber such as copper or aluminum, by improving the local deformation property of gasket surface, make
Two sealed faying face better seals coordinate, and improve the sealing effectiveness of pad, reduce leakage, seepage etc. close
The not tight phenomenon of envelope.Effectively reduce the generation of the corrosion of metallic gasket, corrosion phenomenon, be effectively improved
The service life of gasket seal.
2, use sealing air chamber structure, effectively implement the pad that gasket seal occurs under the effect of thrust
Sheet metaboly, has effectively carried out automatic-sealed and has supplemented；Improve pad local deformation ability；Safe and reliable；
Sealing property is more preferable；Life-span is longer.
Accompanying drawing explanation
In conjunction with accompanying drawing, the present invention is further illustrated:
Fig. 1 is metal pad structure schematic diagram of the present invention；
Wherein 1 is bearing；2 is bearing (ball) cover；3 is metallic gasket.
Detailed description of the invention
As it is shown in figure 1, technical scheme provided by the present invention is, a kind of automobile sealing device, including multiple
Closing gasket seal 3, described composite sealing pad 3 is arranged between bearing 1 and bearing (ball) cover 2, described bearing
1 end being arranged on power transmission shaft, described composite sealing pad 3 has the encapsulant of more than two-layer to constitute.Described
Composite sealing pad 3 includes metal gasket layer, airtight air cavity layer, composite coated layer, described airtight air
Cavity layer is located at the intermediate layer of described composite sealing pad 3.The upper and lower faces of described airtight air cavity layer is respectively
It is connected with described metal gasket layer.Metal gasket layer is connected with described composite coated layer.Described metal gasket layer
Including metallic gasket, being provided with circular hole in the middle of described metallic gasket, the outer surface of described metallic gasket is provided with compound
Coat.Described composite coated layer is rubber coating layer, and described rubber coating layer is tetrafluoroethene clip pack rubber
Composite.The described rubber coating layer of described metallic gasket front and back by centre in peripheral direction,
The thickness of rubber layer is gradually by thin thickening.Some apertures, described metallic gasket it is additionally provided with on described metallic gasket
On positive and negative coated on both sides layer be connected together by aperture.Described bearing (ball) cover and described composite gland bush
After sheet 3 coordinates installation, it is internally formed internal voids at described bearing (ball) cover.Described airtight air cavity layer is being subject to
During to extruding, will be filled with the internal voids of described bearing (ball) cover.
The technical solution adopted in the present invention, reaches sealing effect by the local deformation of sealing member, uses pad
Sheet can fill up scrambling, but conventional conventional pads does not often reach preferable sealing effectiveness, causes sealing effect
Fruit declines, and finally causes seal failure.
Increase rubber coating at original copper backing and aluminium backing surface, make the envelope of the local deformation of spacer seal
Closing effect to become apparent from, make preferably to combine between two planes, effective solution can not due to machining surface
Can be perfect, or the poor impact that sealing is brought of machined surface roughness, it is effectively improved the sealing energy of pad
Power, it is to avoid the generation of oil leakage phenomenon.
Technical scheme provided by the present invention, it is possible to effectively carry out automatic-sealed compensation for gasket seal, protects
Demonstrate,prove long-time sealing stability.
Above example is only in order to illustrate rather than restriction, although entering this utility model with reference to preferred embodiment
Gone detailed description, it will be understood by those within the art that, this utility model is modified or
Equivalent, without deviating from spirit and scope of the present utility model, it all should be contained in power of the present utility model
In the middle of profit claimed range.
Claims (4)
1. an automobile sealing device, it is characterized in that, including composite sealing pad (3), described composite sealing pad (3) is arranged between bearing (1) and bearing (ball) cover (2), described bearing (1) is arranged on the end of power transmission shaft, and described composite sealing pad (3) is made up of encapsulant more than two-layer；Described composite sealing pad (3) includes metal gasket layer, airtight air cavity layer, composite coated layer, and described airtight air cavity layer is located at the intermediate layer of described composite sealing pad (3)；The upper and lower faces of described airtight air cavity layer is connected with described metal gasket layer respectively；Described metal gasket layer is connected with described composite coated layer；Described metal gasket layer includes metallic gasket, is provided with circular hole in the middle of described metallic gasket, and the outer surface of described metallic gasket is provided with composite coated layer；Described composite coated layer is rubber coating layer, and described rubber coating layer is tetrafluoroethene clip pack rubber composite；The described rubber coating layer of described metallic gasket front and back by centre in peripheral direction, the thickness of rubber layer is gradually by thin thickening；Described metallic gasket uses copper or aluminum.
2., according to a kind of automobile sealing device described in claim 1, it is characterised in that be additionally provided with some apertures on described metallic gasket, the positive and negative coated on both sides layer on described metallic gasket is connected together by aperture.
3. according to a kind of automobile sealing device described in claim 2, it is characterised in that after described bearing (ball) cover coordinates installation with described composite sealing pad (3), be internally formed internal voids at described bearing (ball) cover.
4. according to a kind of automobile sealing device described in claim 3, it is characterised in that described airtight air cavity layer, when being squeezed, will be filled with the internal voids of described bearing (ball) cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210408865.2A CN102927272B (en) | 2012-10-23 | 2012-10-23 | A kind of automobile sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210408865.2A CN102927272B (en) | 2012-10-23 | 2012-10-23 | A kind of automobile sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102927272A CN102927272A (en) | 2013-02-13 |
| CN102927272B true CN102927272B (en) | 2016-12-21 |
Family
ID=47642147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210408865.2A Expired - Fee Related CN102927272B (en) | 2012-10-23 | 2012-10-23 | A kind of automobile sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102927272B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441937A (en) * | 2018-12-14 | 2019-03-08 | 成都天府垫片科技有限公司 | A kind of fiber gasket and preparation method thereof with cross section sealing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128251A (en) * | 1977-09-21 | 1978-12-05 | Champion Laboratories, Inc. | Sealing gasket for air filter |
| CN2213890Y (en) * | 1992-09-10 | 1995-11-29 | 孙宝伟 | Novel composite sealing material and sealing gasket |
| CN101387345A (en) * | 2007-09-30 | 2009-03-18 | 马志刚 | Selftightening compound sealing pad |
| CN201635905U (en) * | 2010-03-03 | 2010-11-17 | 栗德林 | High-arch fluid coupling motor |
| CN201739499U (en) * | 2010-05-26 | 2011-02-09 | 朱建新 | Composite interface rubber ring |
| CN203131018U (en) * | 2012-10-23 | 2013-08-14 | 安徽誉丰汽车技术有限责任公司 | Sealing device for automobile |
-
2012
- 2012-10-23 CN CN201210408865.2A patent/CN102927272B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128251A (en) * | 1977-09-21 | 1978-12-05 | Champion Laboratories, Inc. | Sealing gasket for air filter |
| CN2213890Y (en) * | 1992-09-10 | 1995-11-29 | 孙宝伟 | Novel composite sealing material and sealing gasket |
| CN101387345A (en) * | 2007-09-30 | 2009-03-18 | 马志刚 | Selftightening compound sealing pad |
| CN201635905U (en) * | 2010-03-03 | 2010-11-17 | 栗德林 | High-arch fluid coupling motor |
| CN201739499U (en) * | 2010-05-26 | 2011-02-09 | 朱建新 | Composite interface rubber ring |
| CN203131018U (en) * | 2012-10-23 | 2013-08-14 | 安徽誉丰汽车技术有限责任公司 | Sealing device for automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102927272A (en) | 2013-02-13 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20181023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |