CN103867816A - 内衬复合管密封连接结构 - Google Patents

内衬复合管密封连接结构 Download PDF

Info

Publication number
CN103867816A
CN103867816A CN201410132900.1A CN201410132900A CN103867816A CN 103867816 A CN103867816 A CN 103867816A CN 201410132900 A CN201410132900 A CN 201410132900A CN 103867816 A CN103867816 A CN 103867816A
Authority
CN
China
Prior art keywords
seal groove
outer shroud
connection structure
connecting structure
lining
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.)
Pending
Application number
CN201410132900.1A
Other languages
English (en)
Inventor
张传忠
秦永志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG YONGZHI PETROLEUM EQUIPMENT Co Ltd
Original Assignee
SHANDONG YONGZHI PETROLEUM EQUIPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANDONG YONGZHI PETROLEUM EQUIPMENT Co Ltd filed Critical SHANDONG YONGZHI PETROLEUM EQUIPMENT Co Ltd
Priority to CN201410132900.1A priority Critical patent/CN103867816A/zh
Publication of CN103867816A publication Critical patent/CN103867816A/zh
Pending legal-status Critical Current

Links

Images

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
    • F16L21/00—Joints with sleeve or socket
    • 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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
    • F16L21/035—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed around the spigot end before connection

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)

Abstract

本发明提供内衬复合管密封连接结构。其技术方案为：接头A（1）和接头B（2）与a、b、c、d、e组装后形成长方形密封槽，在内衬（4）上设有内衬翻边（3），内衬翻边（3）的高度占密封槽h的1/2，在密封槽内设有双环金属空心O型圈（5）。本发明设计合理实用，密封效果好，耐高压、耐腐蚀，从而确保了产品质量，提高了生产效率和经济效益，适合普遍推广使用。

Description

内衬复合管密封连接结构
技术领域： 
本发明涉及内衬管技术领域，尤其是内衬复合管密封连接结构。
背景技术： 
内衬复合管因具有诸多优点，在石油、天然气及化工等管道中得到了广泛应用，但现在使用的内衬复合管，由于在连接中内衬翻边处起不到实际密封作用，故密封能力小，因此易泄漏，使用压力低。
发明内容
本发明的目的就是针对现有技术存在的缺陷，提供设计合理实用、使用效果好的内衬复合管密封连接结构。其技术方案为：接头A和接头B与a、b、c、d、e组装后形成长方形密封槽，在内衬上设有内衬翻边，内衬翻边的高度占密封槽h的1/2，在密封槽内设有双环金属空心O型圈，双环金属空心O型圈由外环和内环通过焊点组焊而成，并在外环和内环上设有开孔。外环和内环可设为直径相等，也可根据需要设为不相等。焊点为2～6个，长度为3～8mm，总厚度为环体直径的1/3～2/3。圆形外环和波纹型内环组成波纹形结构。 
本发明设计合理实用，密封效果好，耐高压、耐腐蚀，从而确保了产品质量，提高了生产效率和经济效益，适合普遍推广使用。 
附图说明
图1为本发明的结构示意图； 
图2为本发明双环金属空心O型圈结构图；
图3为本发明波纹形金属空心O型圈结构示意图。
具体实施方式
如图所示，接头A1和接头B2与a、b、c、d、e组装后形成长方形密封槽，在内衬4上设有内衬翻边3，内衬翻边3的高度占密封槽h的1/2，在密封槽内设有双环金属空心O型圈5(见图1)。双环金属空心O型圈5由外环6和内环7通过焊点8组焊而成，并在外环6和内环7上设有开孔9（见图2）。特殊形状：圆形外环10和波纹型内环11组成波纹形结构（见图3）。 
本发明可以设计成三种类型：（1）常压型——即空心腔内为常压；（2）自紧型（开孔型）——即在金属空心O型圈内侧或外侧钻一些小孔，圈内腔与介质相通，起到自紧作用；可有两种形式：（a）在外环外壁或内环内壁钻孔——单环自紧式；（b）外环内外壁与内环外壁钻通或内环内外壁与外环内壁钻通——双环自紧式。小孔直径一般取∮=0.3～1.0mm，钻在焊点处中部，不得泄漏，对称钻孔2～6处。（3）充气型——即金属圈内充有惰性气体。 
特殊实施例见图3，外环为圆形结构，内环为波纹型结构，波纹形结构能更好的密封内衬（涂）翻边处。此结构可以做成两种结构，一是半边冲压成型后对焊而成；二是外圈为圆截面、内圈为波纹截面，二者套焊而成。 

Claims (5)

1.内衬复合管密封连接结构，其特征在于：接头A（1）和接头B（2）与a、b、c、d、e组装后形成长方形密封槽，在内衬（4）上设有内衬翻边（3），内衬翻边（3）的高度占密封槽h的1/2，在密封槽内设有双环金属空心O型圈（5）。
2.根据权利要求1所述的内衬复合管密封连接结构，其特征在于：所述双环金属空心O型圈（5）由外环（6）和内环（7）通过焊点（8）组焊而成，并在外环（6）和内环（7）上设有开孔（9）。
3.根据权利要求1或2所述的内衬复合管密封连接结构，其特征在于：所述外环（6）和内环（7）可设为直径相等，也可根据需要设为不相等。
4.根据权利要求1或2所述的内衬复合管密封连接结构，其特征在于：所述焊点（8）为2～6个，长度为3～8mm，总厚度为环体直径的1/3～2/3。
5.根据权利要求1或2所述的内衬复合管密封连接结构，其特征在于：圆形外环（10）和波纹型内环（11）组成波纹形结构。
CN201410132900.1A 2014-04-03 2014-04-03 内衬复合管密封连接结构 Pending CN103867816A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410132900.1A CN103867816A (zh) 2014-04-03 2014-04-03 内衬复合管密封连接结构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410132900.1A CN103867816A (zh) 2014-04-03 2014-04-03 内衬复合管密封连接结构

Publications (1)

Publication Number Publication Date
CN103867816A true CN103867816A (zh) 2014-06-18

Family

ID=50906659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410132900.1A Pending CN103867816A (zh) 2014-04-03 2014-04-03 内衬复合管密封连接结构

Country Status (1)

Country Link
CN (1) CN103867816A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588253A (zh) * 2017-09-13 2018-01-16 张高 钢丝网骨架管接头结构、接头结构制作方法和管连接结构

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85205332U (zh) * 1985-12-02 1987-01-14 王家山 自压密封管道伸缩节
US4741561A (en) * 1984-03-02 1988-05-03 Doryokuro Kakunenryo Kaihatsu Jigyodan Remotely monitored seal in a connection joint
JPH1130333A (ja) * 1997-07-11 1999-02-02 Nippon Valqua Ind Ltd メタルｃリング
JP2004301158A (ja) * 2003-03-28 2004-10-28 Nichias Corp 中空メタルｏリング
JP2010007770A (ja) * 2008-06-27 2010-01-14 Yokogawa Electric Corp 流体管路
CN102297308A (zh) * 2011-08-03 2011-12-28 冯亿生 实用伸缩装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4741561A (en) * 1984-03-02 1988-05-03 Doryokuro Kakunenryo Kaihatsu Jigyodan Remotely monitored seal in a connection joint
CN85205332U (zh) * 1985-12-02 1987-01-14 王家山 自压密封管道伸缩节
JPH1130333A (ja) * 1997-07-11 1999-02-02 Nippon Valqua Ind Ltd メタルｃリング
JP2004301158A (ja) * 2003-03-28 2004-10-28 Nichias Corp 中空メタルｏリング
JP2010007770A (ja) * 2008-06-27 2010-01-14 Yokogawa Electric Corp 流体管路
CN102297308A (zh) * 2011-08-03 2011-12-28 冯亿生 实用伸缩装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588253A (zh) * 2017-09-13 2018-01-16 张高 钢丝网骨架管接头结构、接头结构制作方法和管连接结构

Similar Documents

Publication Publication Date Title
CN104160197B (zh) 法兰接头连接结构
JP5566895B2 (ja) 金属管用エンドリップを伴う少なくとも１つのねじ山付き要素を備えているねじ山付き連結体
CN204677934U (zh) 一种新型合金法兰
CA2669044A1 (en) Drill bit nozzle assembly, insert assembly including same and method of manufacturing or retrofitting a steel body bit for use with the insert assembly
JP2016513216A (ja) 管状接合センターショルダーシール
CN201297462Y (zh) 用于管路连接的软金属密封结构
US20100006303A1 (en) Shape memory material seals
US20220243845A1 (en) Threaded joint with shoulder produced by additive manufacturing
CN202176274U (zh) 一种双金属复合油套管气密封螺纹联接结构
CN102900377A (zh) 螺纹连接式全铝合金钻杆
CN203963363U (zh) 超高分子量聚乙烯复合管道连接结构
CN103867816A (zh) 内衬复合管密封连接结构
CN201284624Y (zh) 不锈钢内衬管及连接组件
CN205331537U (zh) 一种常闭电爆阀
CN103591373A (zh) 阀用金属波纹管及组件的焊接结构
CN203176563U (zh) 煤矿井下用增强型螺旋连续焊接涂层复合钢管
CN201835779U (zh) 一种石油膨胀管座封系统
CN202718630U (zh) 固井水泥头快速连接卡箍
CN204164528U (zh) 一种应用单唇密封圈的焊接式管件接头
CN203131248U (zh) 一种专用钛铜复合过渡接头
CN206018084U (zh) 软密封卡箍
CN201025303Y (zh) 自增强柔性密封垫片
CN205244676U (zh) 一种双密封结构卡箍式法兰
CN203628056U (zh) 阀用金属波纹管组件的焊接结构
CN2887513Y (zh) 机械复合管道焊接坡口

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140618