CN202188128U - Piston sealing element - Google Patents
Piston sealing element Download PDFInfo
- Publication number
- CN202188128U CN202188128U CN201120313633XU CN201120313633U CN202188128U CN 202188128 U CN202188128 U CN 202188128U CN 201120313633X U CN201120313633X U CN 201120313633XU CN 201120313633 U CN201120313633 U CN 201120313633U CN 202188128 U CN202188128 U CN 202188128U
- Authority
- CN
- China
- Prior art keywords
- ring
- utility
- model
- piston seal
- sealing element
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Images
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- Sealing Devices (AREA)
Abstract
The utility model discloses a piston seal spare, including first retaining ring and second retaining ring between still be provided with the arch of cross-section for the type of falling T, the utility model discloses simple structure is difficult to distort the upset in installation and use, and is sealed effectual.
Description
Technical field
The utility model relates to rubber-plastic sealing spare field, particularly relates to a kind of piston seal.
Background technique
Piston seal of the prior art; It includes first back-up ring and second back-up ring; Between first back-up ring and second back-up ring, be provided with the seal ring that the cross section is the O type, this structure makes piston seal in installation and using process, twist upset easily, thereby causes seal failure.
The model utility content
To the deficiency of existing technology, the utility model provides a kind of a kind of piston seal of good seal performance.
For realizing above-mentioned purpose, the utility model adopts following technological scheme:
A kind of piston seal comprises first back-up ring and second back-up ring, between described first back-up ring and second back-up ring, also is provided with the convexity that the cross section is an inverted T shape.
In technique scheme; A kind of piston seal, it comprises first back-up ring and second back-up ring, between described first back-up ring and second back-up ring, also is provided with the convexity that the cross section is an inverted T shape; Therefore in installation and using process, be not easy the distortion upset, thereby guaranteed sealing effect.
The beneficial effect of the utility model is: simple in structure, in installation and using process, be not easy the distortion upset, good sealing effect.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure, 11 is first back-up ring, and 12 is second back-up ring, and 2 is protruding.
Embodiment
Through concrete embodiment, the utility model is done detailed description below.
Referring to Fig. 1; In technique scheme; A kind of piston seal, it comprises first back-up ring 11 and second back-up ring 12, between described first back-up ring 11 and second back-up ring 12, also is provided with the convexity 2 that the cross section is an inverted T shape; Therefore in installation and using process, be not easy the distortion upset, thereby guaranteed sealing effect.
Claims (1)
1. a piston seal comprises first back-up ring and second back-up ring, it is characterized in that: between described first back-up ring and second back-up ring, also be provided with the convexity that the cross section is an inverted T shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120313633XU CN202188128U (en) | 2011-08-26 | 2011-08-26 | Piston sealing element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120313633XU CN202188128U (en) | 2011-08-26 | 2011-08-26 | Piston sealing element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188128U true CN202188128U (en) | 2012-04-11 |
Family
ID=45919580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120313633XU Expired - Fee Related CN202188128U (en) | 2011-08-26 | 2011-08-26 | Piston sealing element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188128U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954219A (en) * | 2011-08-26 | 2013-03-06 | 优泰科(苏州)密封技术有限公司 | Piston sealing part |
-
2011
- 2011-08-26 CN CN201120313633XU patent/CN202188128U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954219A (en) * | 2011-08-26 | 2013-03-06 | 优泰科(苏州)密封技术有限公司 | Piston sealing part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120411 Termination date: 20140826 |
|
| EXPY | Termination of patent right or utility model |