CN1048445A - 防漏锁定接头的密封垫 - Google Patents
防漏锁定接头的密封垫 Download PDFInfo
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- CN1048445A CN1048445A CN90103287A CN90103287A CN1048445A CN 1048445 A CN1048445 A CN 1048445A CN 90103287 A CN90103287 A CN 90103287A CN 90103287 A CN90103287 A CN 90103287A CN 1048445 A CN1048445 A CN 1048445A
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- Prior art keywords
- sealing gasket
- locking member
- order
- bayonet
- joint socket
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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
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/0845—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of retaining members associated with the packing member
-
- 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
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/06—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Joints With Sleeves (AREA)
- Gasket Seals (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Seal Device For Vehicle (AREA)
- Joints With Pressure Members (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Sealing Material Composition (AREA)
- Cable Accessories (AREA)
- Prostheses (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Processing Of Terminals (AREA)
- Wrappers (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Examining Or Testing Airtightness (AREA)
- Building Environments (AREA)
- Road Signs Or Road Markings (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Materials For Medical Uses (AREA)
Abstract
一种弹性体的密封垫(3),用以连接一个插接管
和一个承插管,在该密封垫中配置以锁定元件(E),
该锁定元件具有一端部意图用以支撑靠压在承插口
的内部表面及具有另一端部意图穿入插接端的外部
表面,该密封垫被提供以用以限定该锁定元件(E)穿
入该插接端的外部表面的装置(21),该装置(21)则放
置在意图穿入该插接端的外部表面的锁定元件的那
一个端部上。应用于生产防漏的锁定接头。
Description
本发明涉及用弹性体密封垫置于插接管与承插管之间形成的锁定接头。更具体地说,本发明涉及用于套筒式锁定接头,在这种接头中插接管之一的插接端进入另一管的承插口的同时,还径向压紧该密封垫。
当制成一种密封时,的确,必须要防止在其后可能发生的一个管相对于另一个管的轴向运动。
的确,这些运动可能减弱接头的完好密封性或甚至将原先已连接好的管子完全扯脱开来。
当这种问题发生在输送加压流体的管道的情况下则特别危险。的确,流体的压力会导致形成趋向于分离构成接头的各元件的实质性的力。
因此,其中插有规则分布的锁定元件的密封垫是已知的,该锁定元件位于在承插口的开口边密封垫的前部处。
这种密封垫已公开在法国专利第1,490,680号中,其中锁定元件由金属***件构成,该锁定元件可通过滑动转动而抵靠在承插口的内部表面上。
该锁定元件通过其一端部抵靠于承插口的一个内部表面和另一端部抵靠于插接端的外部表面而受支撑,该锁定元件以其斜削的外形部分穿入该插接端的外部表面。
依赖于待连接的两条管子的插接端和承插口之制造误差,由金属***件的尖部相对于其所穿入的插接端的外部表面形成的角度可以有所变化。
为获得最佳的锁定状况,这角度须依赖于所需的锁定强度、待连接的管子的材质和这些管子的表面光洁度而限定于某种范围之间。
如果由***件与插接端的外表面间形成的角度太小的话,该锁定***件仅擦过所说的插接端而不能保证实际锁定功能。
在插接端相对于承插口的退后运动过程中,该金属锁定***件往往具有继续穿入插接端的外部表面的趋向。
这导致人为地缩短***件的长度,从而造成了该***件的倾斜度继续增大以致超过该***件必须遵守的倾斜度的极限,因此降低了其支撑效应。
这又进一步对插接端造成一种破坏性,这种破坏性随着该插接端被穿入或其外部涂层被剥离而越来越严重。
因此,本发明的目的在于克服这个问题。
因此,本发明的目的在于提供一种用以连接一插接管和承插管的弹性体密封垫,该密封垫中配置以锁定元件,该锁定元件具有一个端部意图用以支撑抵靠在该承插口的内部表面,并且有另一个端部意图穿入插接端的外部表面,在意图用以穿入该插接端的外部表面的锁定元件的那个端部上提供以用以限定锁定元件穿入该插接端的外部表面的装置。
参照仅作为非限定性实例的附图便可从下述说明书中对本发明的特点和优点得到了解。其中:
图1 示出提供以本发明的一种密封垫的密封接头的轴向截面视图;
图2 示出本发明的密封垫的轴向截面视图;
图3 示出本发明的密封垫的锁定元件的详细的截面视图。
如图1中所示,一密封接头由与X-X轴同心的一条管T1的插接端1和另一条管T2的承插口2及一个放置在该插接端1和承插口2之间的弹性体密封件3组成,这密封件3则提供以金属锁定元件E。
承插口2在其入口端一颈圈4之后有一个与该承插口2同心的圆柱形槽5,其轴向长度为L。紧接在这槽5之后经过由一个肩部6形成的径向台阶有一个承插口的圆柱形壁7,该圆柱形壁的直径小于该槽5的内部直径。
如图2所示,密封垫3在其外部表面上具有对应于承插口2的槽5的轴向长度而宽度为A的锚定顶部8。在图2所示的例示性实施例中,锚定顶部8的外部表面为环绕X-X轴的圆柱体形面。
这锚定顶部8由一个具有圆柱体形的环绕X-X轴的旋转外部表面10的密封体9沿X-X轴方向延伸。
该锚定顶部8由一纵向侧面11连接到表面10,该侧面11形成在锚定顶部8和该密封体9的周界表面之间的一个台阶。
锚定顶部8的外部直径对应于该承插口2的槽5的内部直径,由锚定顶部8、侧面11和表面10所形成的密封垫的外部表面具有一轮廓对应于由槽5、肩部6和壁7所形成的承插口的内部表面的轮廓。
如图2所示的实例中可知,该密封垫3在其内部表面具有一截锥形表面12,该截锥形表面12由曲面13连接到密封体9的表面10上。因此,该密封体9为表面10、12和13所限定。
该密封垫3在曲面13对侧的端部由一末端径向表面14所限定,该径向表面14由一个倒棱15连接到该锚定顶部8上。末端径向表面14和倒棱15意图用来与对应的承插口2的颈圈4的内部表面接触。
由密封体9的表面12和13所形成的棱边的直径小于表面12和14所形成的棱边的直径,管T1的插接端的直径的值介于上述两末端直径的值。
这密封垫在其周界处提供以有规则分布的缝槽,在该缝槽中放置着由锚定顶部8贯穿到密封垫3的截锥形表面12的锁定元件E。
按照本发明的另一个实施例,该密封垫可模制在该锁定元件E之上。
因此,每个锁定元件E具有一个端部与该锚定顶部8齐平并具有另一端部由密封垫内的截锥形表面12突伸出去。
如可从图2和3中看到的那样,由该表面12突伸出去的锁定元件E的那一个端部包含两个表面,即表面16和17,该两表面为相互平行的表面,终止于包含两平面19和20的斜削面。
平面19连接到表面16而平面20则经过起着限制斜削面18穿入插接端1的外部表面作用的表面21连接到表面17,表面16在密封垫3的末端径向表面14的一侧而表面17则在密封垫3的密封体9的曲面13的一侧。
按照本发明的另一个可供选择的实施例,图中未示出该实施例,表面19和16可融合在一起形成一个单一的表面。
按照图2和3中所示的实例,表面21为一个平坦表面,限定成当锁定元件E已达到相对于该插接端的倾斜度极限时,该平坦表面将平行于插接端。
现将叙述提供以本发明的密封垫的接头组合总装。
将密封垫3装入其在承插口2的装纳部位后,锚定顶部8位于槽5中而密封体9的表面10与承插口2的表面7相接触,管T1的插接端1推入承插口2中。
将这插接端1推入时,该插接端使锁定元件E倾斜,使之与密封垫3的表面12相接触,并压缩密封体9。
当将插接端1第一次向后移动以退出承插口2时,每一个锁定元件E的该斜削面18由于与该插接端1的外部表面接触,则每个斜削面18将穿入插接端1的外部表面中。
这种穿入动作伴随着锁定元件E围绕其与承插口2的内部表面相接触的表面的稍许转动,使该斜削面18穿入该插接端1可能实现。
一旦该斜削面18穿入至一个点,而该点就是使这斜削面18的表面21处于与该插接端1的外部表面相接触的位置,这表面21恰似一把剑的护手盘般可防止该斜削面18继续穿入该插接端1内。
该锁定***件的实用长度,即可使支撑作用得到实现的长度,因此而保持恒定。
该锁定***件E的任何额外转动将变为不可能,因此获得有效的锁定作用。
Claims (4)
1、用以连接具插接端(1)的管T1和具承插口(2)的管T2的弹性体制成密封垫(3),在该密封垫(3)中配置以密封垫锁定元件(E),该锁定元件具有一端部意图用以抵靠于该承插口(2)的内部表面和另一端部意图用以穿入该插接端(1)的外部表面,其特征在于,在意图用以穿入该插接端(1)的外部表面的锁定元件(E)的那一个端部提供以用以限定该锁定元件(E)的穿入的装置(2)。
2、按照权利要求1的密封垫(3),其特征在于,该密封垫(3)在其一个外部表面上具有一个锚定顶部(8)意图用以将之装纳于在承插口的内部表面上提供的一个槽(5)中,并在其一个内部表面上具有一个表面(12)意图用以与该插接端(1)的外部表面接触,其所具有的每一个锁定元件(E)具有一端部与该锚定顶部(8)齐平而另一端部从密封垫(3)内边的表面(12)突伸出去。
3、按照前述各项权利要求中任意一项所述的密封垫(3),其特征在于,从密封垫(3)的表面(12)突伸出去的锁定元件(E)的那一个端部所包含的两个表面(16、17)终止于由该两表面(16、17)所形成的斜削面(18)。
4、按照权利要求3所述的密封垫(3),其特征在于,其中平坦表面(19)连接到表面(16)而表面(20)则经过起着起限制斜削面(8)穿入插接端(1)的外部表面作用的表面(21)连接到表面(17),表面(16)在密封垫(3)的末端径向表面(14)的一侧,而表面(17)则在密封垫(3)的密封体(9)的曲面(13)的一侧。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8909011 | 1989-06-30 | ||
FR8909011A FR2649176B1 (fr) | 1989-06-30 | 1989-06-30 | Garniture d'etancheite pour joints verrouilles etanches |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1048445A true CN1048445A (zh) | 1991-01-09 |
CN1021250C CN1021250C (zh) | 1993-06-16 |
Family
ID=9383481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN90103287A Expired - Lifetime CN1021250C (zh) | 1989-06-30 | 1990-06-27 | 防漏锁定接头的密封垫 |
Country Status (26)
Country | Link |
---|---|
US (1) | US5094467A (zh) |
EP (1) | EP0406145B1 (zh) |
JP (1) | JP3000559B2 (zh) |
KR (1) | KR970005451B1 (zh) |
CN (1) | CN1021250C (zh) |
AT (1) | ATE111198T1 (zh) |
AU (1) | AU639697B2 (zh) |
BR (1) | BR9003059A (zh) |
CA (1) | CA2019524C (zh) |
CU (1) | CU22279A3 (zh) |
DD (1) | DD298018A5 (zh) |
DE (1) | DE69012235T2 (zh) |
DK (1) | DK0406145T3 (zh) |
EG (1) | EG19936A (zh) |
ES (1) | ES2056774T3 (zh) |
FR (1) | FR2649176B1 (zh) |
LT (1) | LT3293B (zh) |
LV (1) | LV10663B (zh) |
MA (1) | MA21883A1 (zh) |
OA (1) | OA09180A (zh) |
PT (1) | PT8383U (zh) |
RU (1) | RU2044948C1 (zh) |
SA (1) | SA90110127B1 (zh) |
TN (1) | TNSN90094A1 (zh) |
TR (1) | TR25106A (zh) |
ZA (1) | ZA904435B (zh) |
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- 1990-06-08 ZA ZA904435A patent/ZA904435B/xx unknown
- 1990-06-19 KR KR1019900008980A patent/KR970005451B1/ko not_active IP Right Cessation
- 1990-06-21 CA CA002019524A patent/CA2019524C/fr not_active Expired - Fee Related
- 1990-06-25 DK DK90470040.8T patent/DK0406145T3/da active
- 1990-06-25 DE DE69012235T patent/DE69012235T2/de not_active Expired - Lifetime
- 1990-06-25 EP EP90470040A patent/EP0406145B1/fr not_active Expired - Lifetime
- 1990-06-25 AT AT90470040T patent/ATE111198T1/de not_active IP Right Cessation
- 1990-06-25 ES ES90470040T patent/ES2056774T3/es not_active Expired - Lifetime
- 1990-06-25 MA MA22155A patent/MA21883A1/fr unknown
- 1990-06-26 EG EG39290A patent/EG19936A/xx active
- 1990-06-26 RU SU904830298A patent/RU2044948C1/ru not_active IP Right Cessation
- 1990-06-26 JP JP2168180A patent/JP3000559B2/ja not_active Expired - Fee Related
- 1990-06-27 CN CN90103287A patent/CN1021250C/zh not_active Expired - Lifetime
- 1990-06-27 TR TR90/0673A patent/TR25106A/xx unknown
- 1990-06-28 TN TNTNSN90094A patent/TNSN90094A1/fr unknown
- 1990-06-28 OA OA59815A patent/OA09180A/xx unknown
- 1990-06-28 AU AU57971/90A patent/AU639697B2/en not_active Ceased
- 1990-06-28 CU CU90121A patent/CU22279A3/es unknown
- 1990-06-29 DD DD90342348A patent/DD298018A5/de not_active IP Right Cessation
- 1990-06-29 BR BR909003059A patent/BR9003059A/pt not_active IP Right Cessation
- 1990-06-29 US US07/545,735 patent/US5094467A/en not_active Expired - Lifetime
- 1990-11-07 SA SA90110127A patent/SA90110127B1/ar unknown
-
1991
- 1991-10-28 PT PT8383U patent/PT8383U/pt not_active IP Right Cessation
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1993
- 1993-03-19 LV LVP-93-196A patent/LV10663B/xx unknown
- 1993-05-12 LT LTIP541A patent/LT3293B/lt not_active IP Right Cessation
Cited By (8)
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CN101922592B (zh) * | 2009-06-08 | 2012-01-11 | 宋章根 | 内压自密封旋转管接头 |
CN103953807A (zh) * | 2014-05-21 | 2014-07-30 | 浙江金洲管道科技股份有限公司 | 用于钢管连接的承插结构 |
CN103953807B (zh) * | 2014-05-21 | 2016-02-24 | 浙江金洲管道科技股份有限公司 | 用于钢管连接的承插结构 |
CN104006232A (zh) * | 2014-06-10 | 2014-08-27 | 山东球墨铸铁管有限公司 | 一种球墨铸铁管的接口密封结构 |
CN106931244A (zh) * | 2015-12-29 | 2017-07-07 | 天津市久盛通达钢管科技有限公司 | 承插式钢管及其加工方法 |
CN106931244B (zh) * | 2015-12-29 | 2018-10-30 | 天津市久盛通达钢管科技有限公司 | 承插式钢管及其加工方法 |
CN106322027A (zh) * | 2016-11-21 | 2017-01-11 | 新兴铸管股份有限公司 | 复合锚固体和利用该锚固体的管道连接装置及其安装方法 |
CN106322027B (zh) * | 2016-11-21 | 2018-07-13 | 新兴铸管股份有限公司 | 复合锚固体和利用该锚固体的管道连接装置及其安装方法 |
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