CN201787061U - Piston sealing on arc sealing surface of L-shaped support ring - Google Patents
Piston sealing on arc sealing surface of L-shaped support ring Download PDFInfo
- Publication number
- CN201787061U CN201787061U CN2010205412518U CN201020541251U CN201787061U CN 201787061 U CN201787061 U CN 201787061U CN 2010205412518 U CN2010205412518 U CN 2010205412518U CN 201020541251 U CN201020541251 U CN 201020541251U CN 201787061 U CN201787061 U CN 201787061U
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- China
- Prior art keywords
- sealing
- ring
- piston
- shaped support
- support ring
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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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Abstract
The utility model relates to hydraulic and pneumatic dynamic sealing members and in particular to a piston sealing on arc sealing surface of L-shaped support ring aiming at solving problems of prior art technology such as single structure of piston sealing, complementarity of sealing materials, weak stability of pressure, short service time, and liquid leak. The piston sealing is composed of a flexible ring which assists sealing, a sealing ring which sleeves on the flexible ring, and a support ring with a L-shaped cross section which is disposed at two ends of the sealing ring and sleeves on the step at two ends of the flexible ring, the sealing surface of the sealing ring being in arc structure, the surface of the inner circle of the flexible ring being provided with a recess, the cross section of the ring being in T shape. The utility model adopts unique sealing materials and geometries and has the advantages of compact structure, stable entire structure, efficient sealing, small friction, good anti-pressure release and anti-extrusion capability, long service time, and wide application as a bidirectional piston sealing under working condition of heavy duty.
Description
Technical field:
The utility model belongs to hydraulic pressure, pneumatic seal technical field, relates to a kind of to-and-fro motion piston seal, is specially the piston seal of L shaped support ring arc sealing surface.
Background technique:
Existing piston seals common structure and is Y shape circle, cydariform circle, U type envelope, folder cloth combination seal etc., and its major defect is problems such as structure is single, the elastic ring material is single, sliding-frictional resistance is big, working life is low, anti-high pressure difference.
Summary of the invention:
The utility model is problems such as the structure of piston seal is single in the prior art, sealing material is complementary, pressure stability is poor, working life is short, leakage in order to solve, and a kind of piston seal of L shaped support ring arc sealing surface is provided.Such closure size is stablized, is met tolerance, compact structure, anti-ly extrudes damages, wear-resistant, has pressure stability under load, and good, the anti-extrusion performance of axially locating is splendid, high abrasion, the low friction, and no creeping phenomenon, high low pressure sealability are reliable.
The utility model adopts following technological scheme to realize: the piston seal of L shaped support ring arc sealing surface, by an elastic ring that plays the sealing booster action, to be placed in the seal ring on the elastic ring and to be positioned at the seal ring two ends and to be placed in cross section, step place, elastic ring two ends be that L shaped support ring constitutes, the sealing surface of seal ring (outer round surface of seal ring) is an arcuate structure, and the cross section that the internal circular surfaces of elastic ring has groove and this ring is a T shape.
Main improvement of the present utility model is that all parts adopt unique technology to guarantee the precision and the whole sealing effect of product, and the sealing surface of seal ring adopts the structural design of arc, and is easy for installation, friction ractor is little; Elastic ring is the T shape sealed member of band groove, and the deformation when effectively compensation sealing is along with working conditions change prevents to seal whole axial float simultaneously; Bad seals when the design of L shaped support ring prevents high pressure and distortion, the piston seal that constitutes with upper-part has made full use of the characteristic that each parts and material itself are had, can play the effect of low pressure no leakage, the anti-damage of high pressure along with the variation of operating mode, and have long working life.Adopt Sealing described in the utility model to improve the anti-side pressure and the wear resistance of sealing, can bear the sealing medium of low pressure, high pressure for a long time, stop its sealing medium to leak out Seal cage, reduced the frequent time sealing of to-and-fro motion number of times and produced heating and wearing and tearing with the cylinder body friction, install simple and convenient, easy damaged seal ring not.
The relative prior art of the utility model has following beneficial effect: adopted unique sealing material and geometrical shape, compact structure, monolithic stability, good seal performance, friction factor are little, having good anti-pressure release ability, anti-extruding and working life, is a kind of bidirectional piston sealing that is widely used under the severe duty.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Among the figure: 1, seal ring, 2, L shaped support ring, 3, elastic ring
Embodiment
In conjunction with the accompanying drawings embodiment of the present utility model is described further, embodiment is used for illustrating of the present utility model, rather than it is imposed any restrictions.
The piston seal of L shaped support ring arc sealing surface, by an elastic ring 3 that plays the sealing booster action, to be placed in the seal ring 1 on the elastic ring 3 and to be positioned at the seal ring two ends and to be placed in cross section, step place, elastic ring two ends be that L shaped support ring 2 constitutes, the sealing surface of described seal ring 1 (outer round surface of seal ring) is an arcuate structure, and the cross section that the internal circular surfaces of elastic ring 3 has groove and this ring is a T shape.The size of piston seal can require design, customized according to reality, alternative original sealing configuration under the situation that does not change existing groove, and this structure has advantages such as anti-high pressure, high abrasion, good sealing effect, is used for the heavy-duty machinery industry more.
Claims (1)
1. the piston seal of a L shaped support ring arc sealing surface, it is characterized by: by an elastic ring (3) that plays the sealing booster action, to be placed in the seal ring (1) on the elastic ring (3) and to be positioned at the seal ring two ends and to be placed in cross section, step place, elastic ring two ends be that L shaped support ring (2) constitutes, the sealing surface of seal ring (1) is an arcuate structure, and the cross section that the internal circular surfaces of elastic ring (3) has groove and this ring is a T shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205412518U CN201787061U (en) | 2010-09-26 | 2010-09-26 | Piston sealing on arc sealing surface of L-shaped support ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205412518U CN201787061U (en) | 2010-09-26 | 2010-09-26 | Piston sealing on arc sealing surface of L-shaped support ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201787061U true CN201787061U (en) | 2011-04-06 |
Family
ID=43819024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205412518U Expired - Fee Related CN201787061U (en) | 2010-09-26 | 2010-09-26 | Piston sealing on arc sealing surface of L-shaped support ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201787061U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954211A (en) * | 2011-08-26 | 2013-03-06 | 优泰科(苏州)密封技术有限公司 | Piston sealing part |
| CN110168259A (en) * | 2016-12-13 | 2019-08-23 | 伯克哈特压缩机股份公司 | Piston ring and piston compressor for piston compressor |
-
2010
- 2010-09-26 CN CN2010205412518U patent/CN201787061U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954211A (en) * | 2011-08-26 | 2013-03-06 | 优泰科(苏州)密封技术有限公司 | Piston sealing part |
| CN110168259A (en) * | 2016-12-13 | 2019-08-23 | 伯克哈特压缩机股份公司 | Piston ring and piston compressor for piston compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170418 Address after: 034100 West Road, Yuanping, Shanxi Patentee after: Shanxi Tai Bao Technology Co., Ltd. Address before: 034100 Luneng Road West, Shanxi, Yuanping Patentee before: Shanxi Taibao Sealing Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20190926 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |