CN204312897U - A kind of high leak tightness double flange - Google Patents
A kind of high leak tightness double flange Download PDFInfo
- Publication number
- CN204312897U CN204312897U CN201420741764.1U CN201420741764U CN204312897U CN 204312897 U CN204312897 U CN 204312897U CN 201420741764 U CN201420741764 U CN 201420741764U CN 204312897 U CN204312897 U CN 204312897U
- Authority
- CN
- China
- Prior art keywords
- flange
- leak tightness
- high leak
- center
- bore
- 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
Landscapes
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a kind of high leak tightness double flange, comprise the first identical flange and the second flange that are arranged on connecting tube 7 two ends, run through the first flange and the second flange is provided with central through bore, the periphery of described central through bore is provided with a circle polygonal projection and a circle circular protrusions of the center superposition of Center-to-Center through hole from the bottom up successively, the catercorner length of described polygonal projection is greater than the diameter length of circular protrusions, first flange and the second flange are circular discs, and the limit of circular discs is evenly provided with some grooves.High leak tightness double flange of the present utility model, registration does not offset, and is easy to place and protection sealing gasket, and substantially increase the sealing of flange, disk body itself is firm, widely applicable, is easy to promote.
Description
Technical field
The utility model relates to mechanical fitting field, particularly relates to a kind of high leak tightness double flange.
Background technique
At present, the application of high leak tightness double flange is more and more wider, and the performance impact of its each side its scope used and occasion, and have very large space to its research, for the use occasion of cold, the performance of flange more needs reliable and stable.
Model utility content
The utility model, in order to solve the problem of prior art, provides a kind of high leak tightness double flange.
In order to reach above object, the technological scheme that the utility model adopts is: a kind of high leak tightness double flange, comprise the first identical flange and the second flange that are arranged on connecting tube 7 two ends, run through the first flange and the second flange is provided with central through bore, the periphery of described central through bore is provided with a circle polygonal projection and a circle circular protrusions of the center superposition of Center-to-Center through hole from the bottom up successively, the catercorner length of described polygonal projection is greater than the diameter length of circular protrusions, first flange and the second flange are circular discs, the limit of circular discs is evenly provided with some grooves.
As preferably, described connecting tube is polygonal outer shape.
The beneficial effects of the utility model are: high leak tightness double flange of the present utility model, and registration does not offset, and are easy to place and protection sealing gasket, and substantially increase the sealing of flange, disk body itself is firm, widely applicable, is easy to promote.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
All features disclosed in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this specification (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
As Fig. 1, a kind of high leak tightness double flange provided by the utility model, it is characterized in that, comprise the first identical flange 1 and the second flange 2 being arranged on connecting tube 7 two ends, run through the first flange 1 and the second flange 2 is provided with central through bore 3, the periphery of described central through bore 3 is provided with circle polygonal protruding 5 and a circle circular protrusions 6 of the center superposition of Center-to-Center through hole from the bottom up successively, the catercorner length of described polygonal projection 5 is greater than the diameter length of circular protrusions 6, first flange 1 and the second flange 2 are circular discs, the limit of circular discs is evenly provided with some grooves 5.Described connecting tube 7 is polygonal outer shape.
High leak tightness double flange of the present utility model, registration does not offset, and is easy to place and protection sealing gasket, and substantially increase the sealing of flange, disk body itself is firm, widely applicable, is easy to promote.
The utility model is not limited to aforesaid embodiment.The utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (2)
1. a high leak tightness double flange, it is characterized in that, comprise identical the first flange (1) and the second flange (2) that are arranged on connecting tube (7) two ends, run through the first flange (1) and the second flange (2) is provided with central through bore (3), the periphery of described central through bore (3) is provided with circle polygonal projection (5) and circle circular protrusions (6) of the center superposition of Center-to-Center through hole from the bottom up successively, the catercorner length of described polygonal projection (5) is greater than the diameter length of circular protrusions (6), first flange (1) and the second flange (2) are circular discs, the limit of circular discs is evenly provided with some grooves (5).
2. high leak tightness double flange according to claim 1, is characterized in that, described connecting tube (7) is polygonal outer shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741764.1U CN204312897U (en) | 2014-12-02 | 2014-12-02 | A kind of high leak tightness double flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741764.1U CN204312897U (en) | 2014-12-02 | 2014-12-02 | A kind of high leak tightness double flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312897U true CN204312897U (en) | 2015-05-06 |
Family
ID=53135214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420741764.1U Expired - Fee Related CN204312897U (en) | 2014-12-02 | 2014-12-02 | A kind of high leak tightness double flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312897U (en) |
-
2014
- 2014-12-02 CN CN201420741764.1U patent/CN204312897U/en not_active Expired - Fee Related
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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: 20150506 Termination date: 20151202 |
|
| EXPY | Termination of patent right or utility model |