CN109764200A - A kind of special-shaped flange being tightly connected firmly for pipeline - Google Patents
A kind of special-shaped flange being tightly connected firmly for pipeline Download PDFInfo
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- CN109764200A CN109764200A CN201910204057.6A CN201910204057A CN109764200A CN 109764200 A CN109764200 A CN 109764200A CN 201910204057 A CN201910204057 A CN 201910204057A CN 109764200 A CN109764200 A CN 109764200A
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- connection
- female end
- male end
- tightly connected
- special
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The present invention provides a kind of special-shaped flange being tightly connected firmly for pipeline, including connection male end, connection female end and housing flange, connection male end is arranged in inside connection female end, connection is public to be equipped with sealant between connection female end, housing flange sleeve is set on the outside of connection male end, and is fixedly connected between the housing flange and connection male end.The present invention replaces by connection male end, connection female end and the sealed connection mode that matches of housing flange original being tightly connected two groups of pipelines by welding, abnormity flange provided by the invention, it is convenient to be connected and sealed at the scene and speed of application be accelerated；And connecting male end and connection female end can be convenient and carry out relevant preservative treatment, can solve the problems, such as the explosion and perforation at original pipeline-weld, massive losses caused by directly reducing because of weld seam explosion, perforation；In addition in connection male end and connect that the wall thickness at position that female end is mutually worn is bigger, so its whole anti-corrosion time is longer, pressure-resistant performance is higher.
Description
Technical field
It is tightly connected firmly the present invention relates to pipeline more particularly to a kind of special-shaped flange being tightly connected firmly for pipeline.
Background technique
Often there is the problems such as pipeline burst, perforation in long-term operation in China's pipeline, causes pipe perforation according to statistics
90% or more explosion is all caused by the commissure.The situation causes serious environmental pollution.Also enterprise is caused serious
Economic loss.
Due to long-distance oil & gas pipeline welding carry out at the construction field (site), and welder technology, caliber, wall thickness, grade of steel and
The complex situations such as landform, the landforms of pipeline on the way, weld seam existing defects when will cause pipeline welding, if any stomata, slag inclusion, unmelted
Conjunction, lack of penetration, crackle and other welding defects.Due to weld seam it is defective thus will appear in the operational process in later period leakage,
The problems such as explosion, while progress weld job working environment is severe at the construction field (site), entire construction period is also longer.
Summary of the invention
The problem to be solved in the present invention is to provide one kind to be convenient for construction and installation, safe and reliable to operation, durable high voltage bearing use
In the special-shaped flange that pipeline is tightly connected firmly.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: it is a kind of be tightly connected firmly for pipeline it is different
Shape flange, wherein a kind of special-shaped flange being tightly connected firmly for pipeline includes connection male end, connection female end and housing method
Orchid, the connection male end, which matches, to be arranged in inside connection female end, and the connection is public to be provided with sealant between connection female end,
The housing flange sleeve is set on the outside of connection male end, and is fixedly connected with setting between the housing flange and connection male end.
Further, the connection female end is sleeved structure, and the connection female end includes connecting main body and clamping end,
The connection main body and clamping end are integrally formed and are arranged.
Further, the connection female end interior sidewall surface is made of cylindrical surface and circular conical surface, by the clamping end to company
The connection female end interior sidewall surface for connecing main direction is successively made of circular conical surface and cylindrical surface.
Further, the connection male end is sleeved structure, and the connection male end includes wearing socket part, interconnecting piece and welding
Portion, socket part, interconnecting piece and the weld part worn are integrally formed setting, and the outer side surface for wearing socket part is set as conical surface knot
The taper of structure, the outer side surface for wearing socket part is identical as the connection taper of female end inner sidewall tapered portion.
Further, multiple groups through-hole is uniformly opened up on the interconnecting piece.
Further, the sealant is set as epoxy resin sealant.
Further, the housing flange is bolted to connection with interconnecting piece.
The advantages and positive effects of the present invention are: the present invention passes through connection male end, connection female end and housing flange phase
The sealed connection mode of cooperation come replace it is original be tightly connected two groups of pipelines by welding, through the invention close
Envelope connection type only need by be coated with sealant connection male end and connection female end directly wear together with, then pass through bolt into
Row connection, it is convenient to be connected and sealed at the scene and speed of application be accelerated；
And it connects male end and connection female end is that split type structure can be convenient the relevant preservative treatment of progress in a pre-installation,
It can get better anti-corrosion effect, avoid original problem because preservative treatment can not be done after the completion of welding to weld seam inside,
It can solve the problems, such as the explosion and perforation of original pipeline-weld junction, it is huge caused by directly reducing because of weld seam explosion, perforation
Loss；
It is to be mutually inserted connection additionally, due to connection male end and connection female end, the pipe thickness at the position that it mutually wears
For connection male end with connect the sum of female end wall thickness, so anti-corrosion time of its entirety is longer, it may have higher pressure-resistant performance.
Detailed description of the invention
Fig. 1 is the connection structure cross-sectional view for connecting male end in the present invention, connecting female end and housing flange.
Fig. 2 is connection male end cross-sectional view in the present invention.
Fig. 3 is connection female end cross-sectional view in the present invention.
Fig. 4 is use state diagram of the invention.
In figure: connection male end 1, interconnecting piece 10, through-hole 101, weld part 11 wear socket part 12, connect female end 2, connect main body
20, it is clamped end 21, housing flange 3, sealant 4, surplus gap 5, tube body 6, bolt 7.
Specific embodiment
In order to better understand the present invention, the present invention is further retouched with attached drawing combined with specific embodiments below
It states.
As shown in Figures 1 to 4, a kind of special-shaped flange being tightly connected firmly for pipeline includes connection male end 1, connection female end
2 and housing flange 3, connection male end 1, which matches, to be arranged in inside connection female end 2, connection is public be provided between connection female end 2 it is close
Sealing 4, housing flange 3 is sheathed on 1 outside of connection male end, and is fixed between the housing flange 3 and connection male end 1 by fastener
Connection setting.Matching between connection male end 1 and connection female end 2 is combined into transition fit, between housing flange 3 and connection female end 2
With clearance fit is combined into, connection female end 2 generally uses Q235 steel, and connection male end 1 generally uses 20 steel, can also be according to specific
The characteristic of the medium of conveying and external operating environment select different materials, and the connection male end 1 and connection in the present invention are female
End 2 can be convenient for split type structure before not installing and carry out relevant preservative treatment to connection male end 1 and connection female end 2, and
When connect male end 1 and connect female end 2 be respectively welded in 6 both ends of tube body when due to weld seam be located at port prescription just weld seam is done it is related
Preservative treatment, allow whole connection structure to obtain higher anti-corrosion intensity.
Connection female end 2 is sleeved structure, and connection female end 2 includes connection main body 20 and clamping end 21, connects main body 20
It can be integrally formed by way of die casting with clamping end 21.The connection main body 20 for connecting female end 2 during installation is set on tube body 6
Inside is simultaneously fixedly connected by welding with tube body 6, and this welding can be carried out in inside plants, without at the construction field (site) into
Row welding, clamping end 21 for being limited to housing flange 3, facilitate the later period with connect being fastenedly connected for male end 1.
Connection 2 interior sidewall surface of female end is made of cylindrical surface and circular conical surface, by clamping end 21 to connection 20 direction of main body
Connection 2 interior sidewall surface of female end is successively made of circular conical surface and cylindrical surface.The conical surface of connection 2 interior sidewall surface of female end is used for and connect public affairs
The outside at end 1 is that the conical surface carries out wearing cooperation, and the space that connection 2 inner sidewall cylindrical surface of female end is surrounded leads to as surplus gap 5
Crossing this surplus gap 5 can be such that the conical surface of the lateral wall for wearing socket part 12 penetrated inside connection female end 2 is fitted and connected completely
The conical surface of 20 interior sidewall surface of main body guarantees the leakproofness of connection.
Connection male end 1 is sleeved structure, and connection male end 1 includes wearing socket part 12, interconnecting piece 10 and weld part 11, wears socket part
12, interconnecting piece 10 and weld part 11 can be integrally formed setting by way of die casting or casting, and the outer side surface for wearing socket part 12 is set
It is set to cone structure, the taper for wearing the outer side surface of socket part 12 is identical as the connection taper of 2 inner sidewall tapered portion of female end.Pacifying
Socket part 12 will be worn when dress to penetrate in connection main body 20.
Multiple groups through-hole 101 is uniformly opened up on interconnecting piece 10.This through-hole 101 is corresponding with the through-hole 101 on housing flange 3,
Housing flange 3 is attached fastening with male end 1 is connect by bolt 7, to realize connection male end 1 and connect the company of female end 2
Connect fastening.
Sealant 4 is set as epoxy resin sealant 4.Can be specifically chosen according to the characteristic of the medium of conveying has relatively
The epoxy resin of characteristic is answered to be applied.It is applied on the lateral surface for wearing socket part 12 and the medial surface for connecting main body 20 when installation
Epoxy resin, then will wear again socket part 12 penetrate connection main body 20 in, by apply epoxy resin can will both wear socket part 12 with
It connects main body 20 and carries out bonding connection, while can also be connected by coating epoxy resin filling compensation socket part with main body 20 is connect
Existing some gaps between the surface of touching, it is ensured that leakproofness.
Housing flange 3 is fixedly connected with interconnecting piece 10 by bolt 7.It is fastenedly connected again by bolt 7 after installation is complete
Housing flange 3 and interconnecting piece 10, and then further strengthen connection male end 1 and connect the connectivity robustness of female end 2.
Specific work process of the invention is as follows: after the completion of the production of every root canal body 6, will connect in 6 one end of tube body first
The weld part 11 of male end 1 is penetrated in tube body 6 and then is welded and fixed, then female end 2 will be connected at the other end port of tube body 6
Connection main body 20 penetrate in tube body 6, and housing flange 3 is set in connection female end before connection female end 2 penetrates tube body 6
In 2 connection main body 20, then connection main body 20 is welded and fixed with tube body 6.
Then the tube body 6 for both ends being respectively fixed with connection male end 1 and connecting female end 2 is transported to construction site, then exists again
It wears and applies epoxy resin on the lateral surface and the medial surface for connecting main body 20 of socket part 12, socket part 12 will be worn after the completion of coating and is penetrated
It connects in main body 20, then be fastenedly connected by housing flange 3 and interconnecting piece 10 by bolt 7 again and be finally completed installation.
The embodiments of the present invention have been described in detail above, but content is only presently preferred embodiments of the present invention, cannot
It is believed to be used to limit the scope of the invention.All changes and improvements made in accordance with the scope of the present invention should all still return
Belong within this patent covering scope.
Claims (7)
1. a kind of special-shaped flange being tightly connected firmly for pipeline, it is characterised in that: described one kind is tightly connected firmly for pipeline
Special-shaped flange include connection male end (1), connection female end (2) and housing flange (3), the connection male end (1), which matches, to be worn
Internal in connection female end (2), the connection public affairs are provided with sealant (4) with connecting between female end (2), the housing flange (3)
It is sheathed on the outside of connection male end (1), and the housing flange (3) is fixedly connected with setting with connecting between male end (1).
2. a kind of special-shaped flange being tightly connected firmly for pipeline according to claim 1, it is characterised in that: the connection
Female end (2) is sleeved structure, and the connection female end (2) includes connection main body (20) and clamping end (21), the connection master
Body (20) and clamping end (21), which are integrally formed, to be arranged.
3. a kind of special-shaped flange being tightly connected firmly for pipeline according to claim 2, it is characterised in that: the connection
Female end (2) interior sidewall surface is made of cylindrical surface and circular conical surface, by the company of clamping end (21) to connection main body (20) direction
Female end (2) interior sidewall surface is connect successively to be made of circular conical surface and cylindrical surface.
4. a kind of special-shaped flange being tightly connected firmly for pipeline according to claim 3, it is characterised in that: the connection
Male end (1) is sleeved structure, and the connection male end (1) includes wearing socket part (12), interconnecting piece (10) and weld part (11), described
It wears socket part (12), interconnecting piece (10) and weld part (11) to be integrally formed setting, the outer side surface setting for wearing socket part (12)
For cone structure, the taper of the outer side surface for wearing socket part (12) and the taper phase for connecting female end (2) inner sidewall tapered portion
Together.
5. a kind of special-shaped flange being tightly connected firmly for pipeline according to claim 4, it is characterised in that: the connection
Multiple groups through-hole (101) are uniformly opened up in portion (10).
6. a kind of special-shaped flange being tightly connected firmly for pipeline according to claim 1, it is characterised in that: the sealing
Layer (4) is set as epoxy resin sealant (4).
7. a kind of special-shaped flange being tightly connected firmly for pipeline according to claim 5, it is characterised in that: the housing
Flange (3) is fixedly connected with interconnecting piece (10) by bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204057.6A CN109764200A (en) | 2019-03-18 | 2019-03-18 | A kind of special-shaped flange being tightly connected firmly for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910204057.6A CN109764200A (en) | 2019-03-18 | 2019-03-18 | A kind of special-shaped flange being tightly connected firmly for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109764200A true CN109764200A (en) | 2019-05-17 |
Family
ID=66459363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910204057.6A Pending CN109764200A (en) | 2019-03-18 | 2019-03-18 | A kind of special-shaped flange being tightly connected firmly for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109764200A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126945A (en) * | 2022-06-27 | 2022-09-30 | 安徽泫氏铸造有限责任公司 | Anti-drop sealing structure and sealing method for ball-milling cast iron pipe joint |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648632A (en) * | 1982-08-25 | 1987-03-10 | Bas-Tex Corporation | High pressure flow line connection |
| CN2789554Y (en) * | 2005-04-08 | 2006-06-21 | 张玮 | Pipeline coupling flange |
| EP1674686A1 (en) * | 2004-12-23 | 2006-06-28 | Carl Freudenberg KG | Pipe joint, gasket and method for obtaining the joint |
| US20070267868A1 (en) * | 2003-10-23 | 2007-11-22 | Peter Holzheu | Flanged Joint |
| CN202402845U (en) * | 2011-12-02 | 2012-08-29 | 攀枝花钢城集团有限公司 | Flange device for connecting vacuum ladle and syphon |
| CN202868141U (en) * | 2012-06-11 | 2013-04-10 | 天津市祥威传动设备有限公司 | Detachable flange connection structure for oil delivery pipes of industrial reducer |
| CN203131257U (en) * | 2013-03-18 | 2013-08-14 | 湖南千山矿业有限公司 | Pipe connecting device |
| CN103388715A (en) * | 2013-08-19 | 2013-11-13 | 孙蕾 | Dual-sealing flange |
| CN205479844U (en) * | 2016-01-19 | 2016-08-17 | 苏州赛力菲陶纤有限公司 | Fibrox pipe flange device |
| CN206001151U (en) * | 2016-08-23 | 2017-03-08 | 温州万强法兰科技有限公司 | A kind of multi-sealed flange |
-
2019
- 2019-03-18 CN CN201910204057.6A patent/CN109764200A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648632A (en) * | 1982-08-25 | 1987-03-10 | Bas-Tex Corporation | High pressure flow line connection |
| US20070267868A1 (en) * | 2003-10-23 | 2007-11-22 | Peter Holzheu | Flanged Joint |
| EP1674686A1 (en) * | 2004-12-23 | 2006-06-28 | Carl Freudenberg KG | Pipe joint, gasket and method for obtaining the joint |
| CN2789554Y (en) * | 2005-04-08 | 2006-06-21 | 张玮 | Pipeline coupling flange |
| CN202402845U (en) * | 2011-12-02 | 2012-08-29 | 攀枝花钢城集团有限公司 | Flange device for connecting vacuum ladle and syphon |
| CN202868141U (en) * | 2012-06-11 | 2013-04-10 | 天津市祥威传动设备有限公司 | Detachable flange connection structure for oil delivery pipes of industrial reducer |
| CN203131257U (en) * | 2013-03-18 | 2013-08-14 | 湖南千山矿业有限公司 | Pipe connecting device |
| CN103388715A (en) * | 2013-08-19 | 2013-11-13 | 孙蕾 | Dual-sealing flange |
| CN205479844U (en) * | 2016-01-19 | 2016-08-17 | 苏州赛力菲陶纤有限公司 | Fibrox pipe flange device |
| CN206001151U (en) * | 2016-08-23 | 2017-03-08 | 温州万强法兰科技有限公司 | A kind of multi-sealed flange |
Non-Patent Citations (1)
| Title |
|---|
| 汪琪: "《机械零件设计问题解析》", 31 October 1993, 中国致公出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126945A (en) * | 2022-06-27 | 2022-09-30 | 安徽泫氏铸造有限责任公司 | Anti-drop sealing structure and sealing method for ball-milling cast iron pipe joint |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190517 |
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| RJ01 | Rejection of invention patent application after publication |