CN104879591A - Plugging tee joint with detachable flange - Google Patents
Plugging tee joint with detachable flange Download PDFInfo
- Publication number
- CN104879591A CN104879591A CN201510298569.5A CN201510298569A CN104879591A CN 104879591 A CN104879591 A CN 104879591A CN 201510298569 A CN201510298569 A CN 201510298569A CN 104879591 A CN104879591 A CN 104879591A
- Authority
- CN
- China
- Prior art keywords
- threeway
- flange
- tee joint
- main body
- shutoff
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/115—Caps
Abstract
The invention relates to a plugging tee joint with a detachable flange. The inside of a tee joint body is communicated with a tee joint protecting plate through a tee joint connection pipe, a plug handle is positioned coaxially and radially and is sealed in the tee joint body, the flange is mounted outside the tee joint body in a thread engagement manner, a seal head is welded on an upper end opening of the tee joint body, a key groove is formed in the outer edge of the tee joint body axially, a locking key is pinned in the key groove radially, and the flange is radially positioned and fixedly mounted. The plugging tee joint with the detachable flange has the advantages that the flange of the plugging tee joint is connected with the tee joint body in a thread engagement manner, the locking key is used for radial fixing, a seam allowance sealing pad is used for sealing, and after plugging construction is completed, the buried tee joint reserved on a pipeline can not be covered with a blind plate after being sealed by the welded seal head, and no bolt is left on the pipeline to serve as a fitting, thus, the buried permanency requirement of the long-distance pipeline can be met more effectively, hidden danger of leakage is reduced, oil stealing preventing effect is extraordinarily good and potential safety hazards are avoided effectively.
Description
Technical field
The invention belongs to oil gas transmission field, relate 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.
Summary of the invention
The object of the invention is to the deficiency overcoming original technology, provide that a kind of design science is ingenious, the shutoff threeway of good anti-theft effect, dismountable flange with low cost.
The object of the present invention is achieved like this:
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 invention 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 invention;
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view.
Embodiment
Embodiments of the invention are 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 scope of the present invention 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 invention 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 invention 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 |
|---|---|---|---|
| CN201510298569.5A CN104879591B (en) | 2015-06-03 | 2015-06-03 | Plugging tee joint with detachable flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510298569.5A CN104879591B (en) | 2015-06-03 | 2015-06-03 | Plugging tee joint with detachable flange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104879591A true CN104879591A (en) | 2015-09-02 |
| CN104879591B CN104879591B (en) | 2017-01-25 |
Family
ID=53947199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510298569.5A Active CN104879591B (en) | 2015-06-03 | 2015-06-03 | Plugging tee joint with detachable flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104879591B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948282A (en) * | 1972-04-12 | 1976-04-06 | Yano Giken Co., Ltd. | Method and device for attaching shut-off control valve to distributing water pipe such as service pipe without stopping passage of water therethrough |
| US4513788A (en) * | 1983-11-28 | 1985-04-30 | Koppl Company Inc. | Flange system for pipeline plugging |
| US5975142A (en) * | 1998-08-10 | 1999-11-02 | Tdw Delaware, Inc. | Removable closure system |
| CN201764181U (en) * | 2010-09-29 | 2011-03-16 | 天津绿清管道科技发展有限公司 | Three-way block |
| JP2012047334A (en) * | 2010-08-24 | 2012-03-08 | Donghwa Industry Co Ltd | Structure for installing plug for piping shut-off |
| CN203052091U (en) * | 2012-12-27 | 2013-07-10 | 重庆科众机械有限公司 | Plugging connector |
| CN103672269A (en) * | 2013-12-11 | 2014-03-26 | 河北一塑管道制造有限责任公司 | Saddle-type bypass pressure tapping connecting device for delivery pipe |
| CN203585706U (en) * | 2013-08-23 | 2014-05-07 | 中国石油天然气集团公司 | T-shaped dual-seal pipeline leaking stoppage clamp |
| CN204677953U (en) * | 2015-06-03 | 2015-09-30 | 天津卓达管道机械制造有限公司 | A kind of shutoff threeway of dismountable flange |
-
2015
- 2015-06-03 CN CN201510298569.5A patent/CN104879591B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948282A (en) * | 1972-04-12 | 1976-04-06 | Yano Giken Co., Ltd. | Method and device for attaching shut-off control valve to distributing water pipe such as service pipe without stopping passage of water therethrough |
| US4513788A (en) * | 1983-11-28 | 1985-04-30 | Koppl Company Inc. | Flange system for pipeline plugging |
| US5975142A (en) * | 1998-08-10 | 1999-11-02 | Tdw Delaware, Inc. | Removable closure system |
| JP2012047334A (en) * | 2010-08-24 | 2012-03-08 | Donghwa Industry Co Ltd | Structure for installing plug for piping shut-off |
| CN201764181U (en) * | 2010-09-29 | 2011-03-16 | 天津绿清管道科技发展有限公司 | Three-way block |
| CN203052091U (en) * | 2012-12-27 | 2013-07-10 | 重庆科众机械有限公司 | Plugging connector |
| CN203585706U (en) * | 2013-08-23 | 2014-05-07 | 中国石油天然气集团公司 | T-shaped dual-seal pipeline leaking stoppage clamp |
| CN103672269A (en) * | 2013-12-11 | 2014-03-26 | 河北一塑管道制造有限责任公司 | Saddle-type bypass pressure tapping connecting device for delivery pipe |
| CN204677953U (en) * | 2015-06-03 | 2015-09-30 | 天津卓达管道机械制造有限公司 | A kind of shutoff threeway of dismountable flange |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104879591B (en) | 2017-01-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |