CN206001012U - A kind of piston oil seal - Google Patents
A kind of piston oil seal Download PDFInfo
- Publication number
- CN206001012U CN206001012U CN201621014009.9U CN201621014009U CN206001012U CN 206001012 U CN206001012 U CN 206001012U CN 201621014009 U CN201621014009 U CN 201621014009U CN 206001012 U CN206001012 U CN 206001012U
- Authority
- CN
- China
- Prior art keywords
- boss portion
- skeleton
- oil seal
- piston oil
- endoporus
- 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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Abstract
The utility model discloses a kind of piston oil seal, which includes skeleton, the skeleton has the boss portion for extending circle to side, the end face of the boss portion offers endoporus, wherein, rubbery sealed body is provided with the endoporus and on the lateral surface of boss portion on the skeleton, the rubbery sealed body is extended with interior sealing lip to inner side in the endoporus, and the inwall of the boss portion is used as working face.Above-mentioned piston oil seal is not only simple in structure, and intensity is high；And good sealing effect, anti-wear performance is good, long service life.
Description
Technical field
The utility model is related to a kind of oil sealing, especially relates to a kind of piston oil seal.
Background technology
Axial seal is the vitals of piston, and which is mainly used in sealing piston, at present, existing piston oil seal
The short shortcoming of generally existing low intensity, sealing effectiveness difference and service life.
Utility model content
The purpose of this utility model is to provide a kind of piston oil seal, and which has intensity height, good sealing effect and uses the longevity
The long feature of life, to solve the problems referred to above that piston oil seal is present in prior art.
For reaching this purpose, the utility model is employed the following technical solutions：
A kind of piston oil seal, it include skeleton, and the skeleton has the boss portion for extending circle to side, the boss portion
End face offer endoporus, wherein, on the skeleton in the endoporus and to be provided with rubber on the lateral surface of boss portion close
Feng Ti, the rubbery sealed body are extended with interior sealing lip to inner side in the endoporus, and the inwall of the boss portion is used as work
Face.
Especially, the skeleton is molded by steel plate integrated punching.
Especially, the rubbery sealed body is provided with outer seal lip in the cylindrical place of the end face of the boss portion, described outer
Sealing lip is in tilted layout laterally.
Especially, the rubbery sealed body is by injecting sulfidization molding on the skeleton.
Especially, several are offered for framework location in the outside of the endoporus on the end face of the boss portion
Location hole.
The beneficial effects of the utility model are that the piston oil seal is not only simple in structure compared with prior art, and intensity is high；
And good sealing effect, anti-wear performance is good, long service life.
Description of the drawings
Fig. 1 is the structural representation of the piston oil seal that the utility model specific embodiment 1 is provided.
In figure：
1st, skeleton；2nd, boss portion；3rd, endoporus；4th, rubbery sealed body；5th, interior sealing lip；6th, working face；7th, outer seal lip；8、
Location hole.
Specific embodiment
The technical solution of the utility model is further illustrated below in conjunction with the accompanying drawings and by specific embodiment.
Refer to shown in Fig. 1, Fig. 1 is the structural representation of the piston oil seal that the utility model specific embodiment 1 is provided.
In the present embodiment, a kind of piston oil seal includes skeleton 1, and the skeleton 1 has the boss portion for extending circle to side
2, the end face of the boss portion 2 offers endoporus 3, on the skeleton 1 in the endoporus 3 and on the lateral surface of boss portion 2 all
Rubbery sealed body 4 is provided with, 4 body of the rubber seal is extended with interior sealing lip 5 to inner side in the endoporus 3, described interior close
The inside side of envelope lip 5 is in tilted layout, and during work, used as working face 6, the rubbery sealed body 4 is in described for the inwall of the boss portion 2
The cylindrical place of the end face of boss portion 2 is provided with outer seal lip 7, and the outer seal lip 7 is in tilted layout laterally.
The skeleton 1 is molded by steel plate integrated punching.The rubbery sealed body 4 is by injecting sulfidization molding in the bone
On frame 1.
Several are offered for positioning that skeleton 1 is positioned in the outside of the endoporus 3 on the end face of the boss portion 2
Hole 8.
Above example simply elaborates general principle of the present utility model and characteristic, and the utility model does not receive above-mentioned example
Limit, on the premise of without departing from the utility model spirit and scope, the utility model also has various change and change, these changes
Change and change and both fall within the range of claimed the utility model.The utility model claims scope will by appended right
Ask book and its equivalent thereof.
Claims (5)
1. a kind of piston oil seal, which includes skeleton, and the skeleton has to side and extends circular boss portion, the boss portion
End face offers endoporus, it is characterised in that be provided with rubber in the endoporus and on the lateral surface of boss portion on the skeleton
Glue seal, the rubbery sealed body are extended with interior sealing lip, the inwall conduct of the boss portion to inner side in the endoporus
Working face.
2. piston oil seal according to claim 1, it is characterised in that the skeleton is molded by steel plate integrated punching.
3. the piston oil seal according to claim 1 or 2 any one, it is characterised in that the rubbery sealed body is in described convex
The cylindrical place of the end face in platform portion is provided with outer seal lip, and the outer seal lip is in tilted layout laterally.
4. piston oil seal according to claim 1, it is characterised in that the rubbery sealed body by inject sulfidization molding in
On the skeleton.
5. piston oil seal according to claim 1, it is characterised in that in the outer of the endoporus on the end face of the boss portion
Side offers several for the location hole to framework location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621014009.9U CN206001012U (en) | 2016-08-29 | 2016-08-29 | A kind of piston oil seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621014009.9U CN206001012U (en) | 2016-08-29 | 2016-08-29 | A kind of piston oil seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206001012U true CN206001012U (en) | 2017-03-08 |
Family
ID=58192532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621014009.9U Active CN206001012U (en) | 2016-08-29 | 2016-08-29 | A kind of piston oil seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206001012U (en) |
-
2016
- 2016-08-29 CN CN201621014009.9U patent/CN206001012U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |