CN202188128U - Sealing piece for piston - Google Patents
Sealing piece for piston 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
- piston
- sealing piece
- check ring
- utility
- 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
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- Sealing Devices (AREA)
Abstract
The utility model discloses a sealing piece for a piston, which comprises a first check ring and a second check ring, wherein a protrusion with an inverted T-shaped section is formed between the first check ring and the second check ring. The sealing piece for the piston has the advantages that the structure is simple; distortion and overturn are not liable to be caused during mounting and use; and the sealing effect is high.
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 | Sealing piece for piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120313633XU CN202188128U (en) | 2011-08-26 | 2011-08-26 | Sealing piece for piston |
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 | Sealing piece for piston |
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 |