CN205118504U - Flange that leakproofness is good - Google Patents
Flange that leakproofness is good Download PDFInfo
- Publication number
- CN205118504U CN205118504U CN201520889548.6U CN201520889548U CN205118504U CN 205118504 U CN205118504 U CN 205118504U CN 201520889548 U CN201520889548 U CN 201520889548U CN 205118504 U CN205118504 U CN 205118504U
- Authority
- CN
- China
- Prior art keywords
- flange
- flange body
- groove
- cylinder
- cylindrical surface
- 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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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to a flange that leakproofness is good. It is including being annular cylindrical flange body (1), and the bottom of flange body (1) is provided with arch (2), and the contained angle of two waists of protruding (2) is 15, and the bottom inner wall of flange body (1) includes inner groove (3), and the outer wall includes outer groove (4), the one side of inner groove (3) is connected with two waists of protruding (2) respectively with the one side of outer groove (4), and the another side and the inner cylinder face of flange body (1) of inner groove (3) are connected, and the another side and the outer face of cylinder of flange body (1) of outer groove (4) are connected, inside opening there are annular groove (5) on the outer face of cylinder of flange body (1). The utility model relates to a flange that leakproofness is good, the pipeline is firm with flange welding, and the annular groove on the outer face of cylinder of flange body is used for providing the sealing washer, and under the effect of sealing washer, the flange is inside can clamp on equipment, and forms sealedly.
Description
Technical field
The utility model relates to a kind of flange, particularly relates to a kind of welded flange, is mainly used in ocean engineering.
Background technique
Welded flange is exactly two pipelines, pipe fitting or equipment, to be first fixed on separately on a flange and to weld.Between two welded flanges, add sealing gasket, with bolton together, complete connection.Welding is the important Placement of high pressure pipe line construction.Welded flange connects easy to use, can bear larger pressure.Welded flange is widely used in the fields such as oil, chemical industry, rock gas, power station, metallurgical pipeline.
Have the occasion that some are special, need by flange seal at device interior, existing method is generally by flange welding in equipment, but this kind of method welding difficulty is too large, and after having welded, often weldering loosely, is easily leaked.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of flange of good airproof performance.
The purpose of this utility model is achieved in that
A kind of flange of good airproof performance, described flange comprises the flange body of cylinder ringwise, it is characterized in that: the bottom of flange body is provided with projection, the angle of two protruding waists is 15 °, the bottom interior wall of flange body comprises internal groove, outer wall comprises outer groove, one side of described internal groove is connected with two waists of projection respectively with one side of outer groove, the another side of internal groove is connected with the inner cylindrical surface of flange body, the another side of outer groove is connected with the external cylindrical surface of flange body, and the external cylindrical surface of described flange body inwardly has annular groove.
Compared with prior art, the beneficial effects of the utility model are:
1, the flange of a kind of good airproof performance of the utility model, in welding process, projection is convenient to the accumulation of solder, makes pipeline follow flange welding firm, prevents from revealing.
2, the flange of a kind of good airproof performance of the utility model, the annular groove of flange body external cylindrical surface is used for arranging seal ring, and under the effect of seal ring, flange can be stuck in device interior, and forms sealing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flange of a kind of good airproof performance of the utility model.
Fig. 2 is the sectional view of the A-A of Fig. 1.
Fig. 3 is the enlarged view of B in Fig. 2.
In figure:
Flange body 1,
Protruding 2,
Internal groove 3,
Outer groove 4,
Annular groove 5,
Axial hole 6.
Embodiment
See Fig. 1-3, the utility model relates to a kind of flange of good airproof performance, it comprises the flange body 1 of cylinder ringwise, the middle part of described flange body 1 has the axial hole 6 for pipe laying, it is trapezoidal projection 2 that the bottom of flange body 1 is provided with cross section, the angle of two trapezoidal waists is 15 °, the bottom interior wall of flange body 1 comprises internal groove 3, outer wall comprises outer groove 4, one side of described internal groove 3 and one side of outer groove 4 are connected with the both sides of protruding 2 respectively, the another side of internal groove 3 is connected with the inner cylindrical surface of flange body 1, the another side of outer groove 4 is connected with the external cylindrical surface of flange body 1, the external cylindrical surface of described flange body 1 inwardly has annular groove 5.
Working principle: during installation, as required, pipeline can internal groove 3 or outer groove 4 weld, and in welding process, protruding 2 accumulations being convenient to solder, make pipeline follow flange welding firm, prevent from revealing; The annular groove 5 of flange body 1 external cylindrical surface is for arranging seal ring, and under the effect of seal ring, flange can be stuck in device interior, and forms sealing.
Claims (1)
1. the flange of a good airproof performance, described flange comprises the flange body (1) of cylinder ringwise, it is characterized in that: it is trapezoidal projection (2) that the bottom of flange body (1) is provided with cross section, the angle of two trapezoidal waists is 15 °, the bottom interior wall of flange body (1) is provided with internal groove (3), outer wall is provided with outer groove (4), one side of described internal groove (3) and one side of outer groove (4) are connected with the both sides of protruding (2) respectively, the another side of internal groove (3) is connected with the inner cylindrical surface of flange body (1), the another side of outer groove (4) is connected with the external cylindrical surface of flange body (1), the external cylindrical surface of described flange body (1) inwardly has annular groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520889548.6U CN205118504U (en) | 2015-11-10 | 2015-11-10 | Flange that leakproofness is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520889548.6U CN205118504U (en) | 2015-11-10 | 2015-11-10 | Flange that leakproofness is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205118504U true CN205118504U (en) | 2016-03-30 |
Family
ID=55574118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520889548.6U Expired - Fee Related CN205118504U (en) | 2015-11-10 | 2015-11-10 | Flange that leakproofness is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205118504U (en) |
-
2015
- 2015-11-10 CN CN201520889548.6U patent/CN205118504U/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: 20160330 Termination date: 20201110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |