CN204677953U - A kind of shutoff threeway of dismountable flange - Google Patents
A kind of shutoff threeway of dismountable flange Download PDFInfo
- Publication number
- CN204677953U CN204677953U CN201520376417.8U CN201520376417U CN204677953U CN 204677953 U CN204677953 U CN 204677953U CN 201520376417 U CN201520376417 U CN 201520376417U CN 204677953 U CN204677953 U CN 204677953U
- Authority
- CN
- China
- Prior art keywords
- threeway
- main body
- flange
- shutoff
- threeway main
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a kind of shutoff threeway of dismountable flange, be communicated with threeway backplate by t-joint in threeway main body, in threeway main body, coaxial radial location is packaged with plug handle, in threeway main body outward by thread engagement mode mounting flange, welding manner is adopted to be welded with end socket in the upper end-hole of threeway main body, axially be shaped with a keyway in threeway main body outer rim, in this keyway, radial peg is equipped with a locking key, and this locking key radial location is fixedly mounted with flange.Flange and the threeway main body screw of this shutoff threeway are connected with a joggle, and adopt locking key carry out radial direction fix, the sealing of rim of the mouth sealing gasket, after plugging construction completes, stays buried threeway on pipeline by can not lid blind plate after the sealing of welding end socket, do not stay bolt, as the pipe fitting stayed on pipeline, more meet the buried permanent requirement of long distance pipeline, decrease leakage hidden danger, anti-theft oil effect is very good, effectively prevent potential safety hazard.
Description
Technical field
The utility model belongs to oil gas transmission field, relates to the technique threeway that oil and gas pipes implements press and open holes shutoff operation, especially a kind of shutoff threeway of dismountable flange.
Background technique
Shutoff threeway is the technique threeway of a kind of indispensability implementing press and open holes shutoff operation on oil and gas pipes.Threeway main body, shutoff backplate, plug handle, blind plate, bolt, distinguish snap ring is included in traditional a set of shutoff threeway, threeway main body radial direction is packed on shutoff backplate, in threeway main body, coaxial positioning is packaged with plug handle, mount cover blind plate in threeway main body upper end, it is fastening that this blind plate carries out encapsulation by bolt.As publication (title: a kind of shutoff threeway, publication number CN201764181U) described in, this shutoff threeway comprises blind flange, has the fluting flange of operation path, the threeway plug handle be arranged in described operation path, threeway backplate and the snap ring mechanism that is arranged on described fluting flange; One end of described fluting flange is fixedly connected with described threeway backplate, and the other end and described blind flange removably connect; Described threeway plug handle outer surface is provided with plug handle seal groove and snap ring locking groove, is provided with plug handle seal ring in described plug handle seal groove.
The shutoff threeway of above-mentioned public technology file, after installing, leaves blind plate and outer connecting bolt, impacts follow-up corrosion prevention operation in outside.And, this mode of structure, open blind plate to robber's unthread bolts and steal oil gas and provide condition, therefore anti-theft effect is poor, stolen result also produces the leakage of pipeline, and potential safety hazard is comparatively large, does not meet the buried permanent requirement of long distance pipeline, meanwhile, sealing gasket and the durable for a long time of bolt also also exist risk.
By retrieval, not yet find the patent document identical with the present patent application.
Model utility content
The purpose of this utility model is the deficiency overcoming original technology, provides that a kind of design science is ingenious, the shutoff threeway of good anti-theft effect, dismountable flange with low cost.
The purpose of this utility model is achieved in that
A kind of shutoff threeway of dismountable flange, comprise threeway backplate, threeway main body, t-joint, flange and plug handle, coaxial package tubing in threeway backplate, threeway backplate radial direction is fixedly connected with t-joint, this t-joint and threeway main body are coaxially fixedly mounted with footpath, be communicated with threeway backplate by t-joint in threeway main body, in threeway main body, coaxial radial location is packaged with plug handle, in threeway main body outward by thread engagement mode mounting flange, it is characterized in that: adopt welding manner to be welded with end socket in the upper end-hole of threeway main body, axially a keyway is shaped with in threeway main body outer rim, in this keyway, radial peg is equipped with a locking key, this locking key radial location is fixedly mounted with flange, on flange, plane inner edge is shaped with a spill annular groove, in this spill annular groove, be coaxially installed with rim of the mouth sealing gasket, is provided with seal ring between this rim of the mouth sealing gasket and threeway main body.
And, in end socket top middle portion, one exhaust plug is installed.
And, the threeway main body of flange lower end surface is coaxially fixedly mounted with a shockproof standby mother.
And what described end socket adopted is hemisphere shape.
And the upper plane of described rim of the mouth sealing gasket protrudes plane on flange.
And described threeway inner major diameter positions to packing in the plug handle employing of positioning package.
Advantage of the present utility model and good effect are:
1, the flange of this shutoff threeway and threeway main body screw are connected with a joggle, and adopt locking key carry out radial direction fix, the sealing of rim of the mouth sealing gasket, after plugging construction completes, stays buried threeway on pipeline by can not lid blind plate after the sealing of welding end socket, do not stay bolt, as the pipe fitting stayed on pipeline, more meet the buried permanent requirement of long distance pipeline, decrease leakage hidden danger, anti-theft effect is very good, effectively prevent potential safety hazard; The exhaust plug installed in end socket top middle portion can nitrogen injection, to ensure that welding is got angry safety.
2, can by demounting flange after this shutoff threeway installing stopper handle with pressure, at the welding end socket suitable for reading of threeway main body, can not study in France after welding orchid and blind plate, be convenient to the corrosion prevention operation of postorder more.
3, the flange of this shutoff threeway is reusable after removal, and can cut the finished product expense of blind plate, bolt, flange, greatly reduces cost, and design science is reasonable, is skillfully constructed.
Accompanying drawing explanation
Fig. 1 is form structure schematic diagram of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing; It should be noted that, the present embodiment is narrative, is not determinate, can not limit protection domain of the present utility model with this.
A kind of shutoff threeway of dismountable flange, comprise threeway backplate 8, threeway main body 6, t-joint 7, flange 4 and plug handle 11, coaxial package tubing 12 in threeway backplate, threeway backplate radial direction is coaxially connected with t-joint, this t-joint and threeway main body are fixedly mounted with footpath coaxial welding, be communicated with threeway backplate by t-joint in threeway main body, in threeway main body, coaxial radial location is packaged with plug handle, in threeway main body outward by thread engagement mode mounting flange.
Innovative point of the present utility model is:
The upper end-hole of 1, threeway main body adopts welding manner to be welded with end socket 2, and what this end socket adopted in the present embodiment accompanying drawing is hemisphere shape, also can adopt other shapes.Threeway main body and end socket adopt welding manner, can make to close with the external world in threeway main body, avoid leaking and stolen.In end socket top middle portion, one exhaust plug 1 is installed, in order to nitrogen injection, ensures that welding is got angry safety.
2, be axially shaped with a keyway in threeway main body outer rim, in this keyway, radial peg is equipped with a locking key 13, and this locking key radial location can be fixedly mounted with flange; On flange, plane inner edge is shaped with a spill annular groove, is coaxially installed with rim of the mouth sealing gasket 3, is provided with O RunddichtringO 9 between sealing pad internal diameter and threeway main body in this spill annular groove; The upper plane of rim of the mouth sealing gasket protrudes plane on flange, to realize the seam location fit with valve.The threeway main body of flange lower end surface is coaxially fixedly mounted with one shockproof standby female 5, cushioning effect when this shockproof standby mother has been press and open holes.
3, threeway inner major diameter positions to packing 10 in the plug handle employing of positioning package.
In addition, in the present embodiment accompanying drawing, threeway backplate is communicated with threeway main body by t-joint, and threeway backplate also can directly be communicated with threeway main body.
Using method of the present utility model is:
After plugging holes operation completes, installing stopper handle with pressure, after being blocked by flange inner spout, is rotated counterclockwise flange, flange can be laid down, and then at upper orifice place welding end socket, completes the sealing work of shutoff threeway.Locking key is control flange location, and namely rim of the mouth sealing gasket plays the effect of location, flange rim of the mouth, plays again the seal action that O RunddichtringO coordinates with threeway flange.
Claims (6)
1. the shutoff threeway of a dismountable flange, comprise threeway backplate, threeway main body, t-joint, flange and plug handle, coaxial package tubing in threeway backplate, threeway backplate radial direction is fixedly connected with t-joint, this t-joint and threeway main body are coaxially fixedly mounted with footpath, be communicated with threeway backplate by t-joint in threeway main body, in threeway main body, coaxial radial location is packaged with plug handle, in threeway main body outward by thread engagement mode mounting flange, it is characterized in that: adopt welding manner to be welded with end socket in the upper end-hole of threeway main body, axially a keyway is shaped with in threeway main body outer rim, in this keyway, radial peg is equipped with a locking key, this locking key radial location is fixedly mounted with flange, on flange, plane inner edge is shaped with a spill annular groove, in this spill annular groove, be coaxially installed with rim of the mouth sealing gasket, is provided with seal ring between this rim of the mouth sealing gasket and threeway main body.
2. the shutoff threeway of dismountable flange according to claim 1, is characterized in that: install an exhaust plug in end socket top middle portion.
3. the shutoff threeway of dismountable flange according to claim 1, is characterized in that: in the threeway main body of flange lower end surface, be coaxially fixedly mounted with a shockproof standby mother.
4. the shutoff threeway of dismountable flange according to claim 1 and 2, is characterized in that: what described end socket adopted is hemisphere shape.
5. the shutoff threeway of dismountable flange according to claim 1, is characterized in that: the upper plane of described rim of the mouth sealing gasket protrudes plane on flange.
6. the shutoff threeway of dismountable flange according to claim 1, is characterized in that: described threeway inner major diameter positions to packing in the plug handle employing of positioning package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520376417.8U CN204677953U (en) | 2015-06-03 | 2015-06-03 | A kind of shutoff threeway of dismountable flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520376417.8U CN204677953U (en) | 2015-06-03 | 2015-06-03 | A kind of shutoff threeway of dismountable flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204677953U true CN204677953U (en) | 2015-09-30 |
Family
ID=54177644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520376417.8U Withdrawn - After Issue CN204677953U (en) | 2015-06-03 | 2015-06-03 | A kind of shutoff threeway of dismountable flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204677953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879591A (en) * | 2015-06-03 | 2015-09-02 | 天津卓达管道机械制造有限公司 | Plugging tee joint with detachable flange |
-
2015
- 2015-06-03 CN CN201520376417.8U patent/CN204677953U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879591A (en) * | 2015-06-03 | 2015-09-02 | 天津卓达管道机械制造有限公司 | Plugging tee joint with detachable flange |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150930 Effective date of abandoning: 20161109 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |