CN202532061U - Square flange for check valve - Google Patents
Square flange for check valve Download PDFInfo
- Publication number
- CN202532061U CN202532061U CN2012201661084U CN201220166108U CN202532061U CN 202532061 U CN202532061 U CN 202532061U CN 2012201661084 U CN2012201661084 U CN 2012201661084U CN 201220166108 U CN201220166108 U CN 201220166108U CN 202532061 U CN202532061 U CN 202532061U
- Authority
- CN
- China
- Prior art keywords
- flange
- square
- check valve
- main body
- square flange
- 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 square flange for a check valve, which comprises a flange main body (1), the section of the flange main body (1) is square, and installing holes (2) are arranged on all four top corners of the flange main body (1), wherein a circular pipeline hole is arranged in the middle of the flange main body (1), and a first step (3), a second step (4) and a third step (5) are arranged in the pipeline hole from top to bottom. Because the first step, the second step and the third step are arranged in the pipeline hole from top to bottom, the check valve using the square flange has the advantage of good sealing performance, and the installation performance can be ensured aiming at a special connecting structure.
Description
Technical field
The utility model relates to a kind of flange, relates in particular to a kind of safety check and uses square flange, belongs to the pipe fitting technical field.
Background technique
Flange is flange plate or bead again.Flange is to make pipe and the interconnective part of pipe, is connected in pipe end.Perforation on the flange, bolt are close to two flanges.Seal with liner between flange.Flange branch be threaded (wire connection) flange and welded flange.
The centre that traditional flange that is used for safety check is is provided with pipe hole, and this pipe hole makes sealability relatively poor for for common circular hole, and during to special linkage structure, installation capability can not get guaranteeing.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned deficiency, provides a kind of sealability better, and during to special linkage structure, the guaranteed safety check of installation capability is used square flange.
The purpose of the utility model is achieved in that
A kind of safety check is used square flange; It comprises flange body; The cross section of said flange body is square; Four drift angles of said flange body are equipped with mounting hole, and the middle part of said flange body is provided with circular pipe hole, is provided with from top to bottom first step, second step and the 3rd step in the said pipe hole.
The diameter of said first step, second step and the 3rd step is arranged from big to small.
Compared with prior art, the beneficial effect of the utility model is:
The utility model is owing to be provided with first step, second step and the 3rd step from top to bottom in the pipe hole, and it is better to make that this safety check has sealability with square flange, during to special linkage structure, and the guaranteed advantage of installation capability.
Description of drawings
Fig. 1 is the structural representation of the utility model safety check with square flange.
Wherein:
The 3rd step 5.
Embodiment
Referring to Fig. 1; A kind of safety check that the utility model relates to is used square flange, and it comprises flange body 1, and the cross section of said flange body 1 is square; Four drift angles of said flange body 1 are equipped with mounting hole 2; The middle part of said flange body 1 is provided with circular pipe hole, is provided with from top to bottom first step 3, second step 4 and the 3rd step 5 in the said pipe hole, and the diameter of said first step 3, second step 4 and the 3rd step 5 is arranged from big to small.
Claims (2)
1. a safety check is used square flange; It comprises flange body (1); The cross section of said flange body (1) is square; Four drift angles of said flange body (1) are equipped with mounting hole (2), it is characterized in that the middle part of said flange body (1) is provided with circular pipe hole, are provided with from top to bottom first step (3), second step (4) and the 3rd step (5) in the said pipe hole.
2. a kind of safety check according to claim 1 is used square flange, it is characterized in that the diameter of said first step (3), second step (4) and the 3rd step (5) is arranged from big to small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201661084U CN202532061U (en) | 2012-04-19 | 2012-04-19 | Square flange for check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201661084U CN202532061U (en) | 2012-04-19 | 2012-04-19 | Square flange for check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202532061U true CN202532061U (en) | 2012-11-14 |
Family
ID=47133248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201661084U Expired - Fee Related CN202532061U (en) | 2012-04-19 | 2012-04-19 | Square flange for check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202532061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162031A (en) * | 2012-11-20 | 2013-06-19 | 武昌造船厂集团有限公司 | Hydraulic cabin penetration flange |
-
2012
- 2012-04-19 CN CN2012201661084U patent/CN202532061U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162031A (en) * | 2012-11-20 | 2013-06-19 | 武昌造船厂集团有限公司 | Hydraulic cabin penetration flange |
| CN103162031B (en) * | 2012-11-20 | 2015-11-18 | 武昌船舶重工集团有限公司 | Hydraulic cabin penetration flange |
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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: 20121114 Termination date: 20150419 |
|
| EXPY | Termination of patent right or utility model |