CN209414818U - A kind of bellows dual-seal circle - Google Patents
A kind of bellows dual-seal circle Download PDFInfo
- Publication number
- CN209414818U CN209414818U CN201821669692.9U CN201821669692U CN209414818U CN 209414818 U CN209414818 U CN 209414818U CN 201821669692 U CN201821669692 U CN 201821669692U CN 209414818 U CN209414818 U CN 209414818U
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- CN
- China
- Prior art keywords
- dual
- bellows
- seal
- seal circle
- trough
- 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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Abstract
The utility model relates to a kind of bellows dual-seal circles, including connecing including the interior dual-seal circle 1 for prolonging trough, bellows 2.Prolong the inner hole wall of the dual-seal circle 1 of trough in the present embodiment and the circle end face Nei Yan is pressed on the wave crest of bellows 2 by external force and end face realizes that dual compression seals, and is further compressed by Fluid pressure with lift-off seal effect again when manifold pressure increases.
Description
Technical field
The utility model relates to a kind of sealing rings for corrugated stainless steel tubing connection.
Background technique
Currently, sealing ring used in common stainless steel ripple pipe connector is all to suppress by external force in bellows external wave summit
Realize sealing, required impressed pressure is larger and sealing effect is general.If can develop can be come with overpressure self-sealing effect
Making up external force sealing can then be such that significant sealing affection improves.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of bellows dual-seal circles.Especially by bellows
Wave crest and the dual-seal of trough side, and by the sealing ring of the further pressurization of overpressure, to significantly improve sealing effect
Fruit.
The utility model solves technical solution used by above-mentioned technical problem: a kind of bellows dual-seal circle, packet
Prolong the dual-seal circle of trough in including；It is characterized by: a kind of bellows dual-seal circle, in addition to wave crest seals, also
Trough or wave end face are extended in corrugated pipe sealing ring.
The utility model compared with prior art, has the advantages that since general corrugated pipe sealing ring is only to wave
The wave crest of line pipe compresses sealing, and this technology additionally uses pull ring in sealing ring other than to the sealing of bellows wave crest, institute
To realize external force dual-seal to corrugated stainless steel tubing and by the further lift-off seal effect of fluid internal pressure.
Detailed description of the invention
Fig. 1 is a kind of trough sealing structure main sectional view of the bellows dual-seal circle of the utility model embodiment 1.
Fig. 2 is a kind of end face seal structure main sectional view of the bellows dual-seal circle of the utility model embodiment 2.
Specific embodiment
Embodiment 1: referring to Fig. 1, the present embodiment mainly includes connecing including the interior dual-seal circle 1 for prolonging trough, bellows 2.
The inner hole wall and Nei Yan for prolonging the dual-seal circle 1 of trough in the present embodiment enclose end face and are pressed on bellows by external force
Dual compression sealing is realized in 2 wave crest and end face, and is further compressed by Fluid pressure to mention again when manifold pressure increases
Rise sealing effect.
Embodiment 2: referring to fig. 2, the present embodiment mainly includes the interior dual-seal circle 3 for prolonging trough, bellows 4.This implementation
Example working principle and basic structure are substantially the same manner as Example 1.The main distinction is: the present embodiment will prolong the dual-seal of trough
Prolong sealing ring in circle 3 to be inserted in the trough of bellows 4 in advance and then compress, sealing effect is slightly better than embodiment 1, but operates
Compared with the trouble of embodiment 1.
Claims (1)
1. a kind of bellows dual-seal circle, including the interior dual-seal circle for prolonging trough；It is characterized by: a kind of ripple
Pipe dual-seal circle also extends to circle trough or wave end face in addition to wave crest seals in corrugated pipe sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669692.9U CN209414818U (en) | 2018-09-27 | 2018-09-27 | A kind of bellows dual-seal circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821669692.9U CN209414818U (en) | 2018-09-27 | 2018-09-27 | A kind of bellows dual-seal circle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414818U true CN209414818U (en) | 2019-09-20 |
Family
ID=67932557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821669692.9U Expired - Fee Related CN209414818U (en) | 2018-09-27 | 2018-09-27 | A kind of bellows dual-seal circle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414818U (en) |
-
2018
- 2018-09-27 CN CN201821669692.9U patent/CN209414818U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Tao Zhengnian Document name: payment instructions |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 Termination date: 20200927 |