CN2171761Y - 一种快速装拆管接头 - Google Patents

一种快速装拆管接头 Download PDF

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Publication number
CN2171761Y
CN2171761Y CN 93242142 CN93242142U CN2171761Y CN 2171761 Y CN2171761 Y CN 2171761Y CN 93242142 CN93242142 CN 93242142 CN 93242142 U CN93242142 U CN 93242142U CN 2171761 Y CN2171761 Y CN 2171761Y
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grippers
core bar
gripper
pipe joint
outer sleeve
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CN 93242142
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吴祖坚
董海强
付光
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GUANGZHOU GAS FACTORY
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GUANGZHOU GAS FACTORY
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Abstract

一种快速装拆管接头,在作为流道的芯杆周边均 布抓爪,其外有外套,抓爪前端有内螺纹,外壁有L 形压槽,外套上的销卡入压槽中。外套相对抓爪后拉 或前推可使其张开或合拢抓紧被接的管口,旋转外 套,其带动抓爪旋转可使抓爪与被接管口已啮合的螺 纹进一步旋紧。所述的管接头,不必任何辅助工具, 仅凭人手的力量在几秒钟内可完成高压管口的连接, 且密封性很好。

Description

本实用新型涉及管道接头,特别是一种采用抓爪开合连接的快速装拆管接头。
向气体钢瓶内灌充高压气体,将充气管口对正钢瓶气阀的进气口,用夹具套住钢瓶头和充气管旋紧夹具的螺杆将接口夹紧,由于接口处为压紧密封,且被充的气体压力颇高,所以夹具的夹持力要很大,操作麻烦、费时,偶尔还有漏气现象。另外充气的工作效率低。
本实用新型之目的是给出一种装拆简单、快捷且接口不泄漏的快速管接头。
所述的管接头,在作为流体通道的芯杆周边均布三个以上抓爪,抓爪以中间为支点可摆动,其前端有内螺纹,后端有向外的凸台,外壁开有L形压槽,外套内孔的前段直径小于后段直径,前、后两段之间有锥面过渡,外套前段有径向销卡在抓爪的压槽中可相对滑移,芯杆的前端可装密封圈。
所述的快速装拆管接头,使用时外套向后拉,其内孔的锥面压住抓爪的后凸台,抓爪前端张开,被连接的管口插入张开的抓爪中,且管端顶紧芯杆前端的密封圈,再向前推外套,径向销沿抓爪的压槽前移同时抓爪合拢,抓爪的内螺纹与被接管口的管螺纹啮合,径向销移至L形压槽最前端后顺槽转折,使抓爪向啮合的螺纹旋紧方向再转一个角度,使被接管口和芯杆的端面进一步压紧密封。
所述的管接头操作简单快捷,经试用几秒钟内即可完成管口的对接,不需要任何辅助工具,仅凭人手的力量,可确保16MPa(150Kg/cm)的压力下接口不泄漏,所述的管接头不仅适于用钢瓶充气,也适用于各种需快速连接的管道。
图1,所述管接头的剖面图;
图2,抓爪的K向视图;
图3,所述管接头与钢瓶阀的连接图。
实施例一、参看图1、图2。
芯杆6周边均布四个抓爪3,抓爪3前端有内管螺纹后端有向外的凸台7,抓爪3以中间的内凸台为支点可摆动,抓爪3外壁有L形压槽1,外套4前段固定径向的销2,其卡入压槽1可移动,外套4内孔的前、后段直径不同,前段直径略小,前后段之间的过渡锥面5可压迫抓爪3的后凸台7,使其前端向外翘起。芯杆6前端装有密封垫圈8。如被接管口前端有密封圈,芯杆端的密封圈8可不装。
实施例二、参看图3。
芯杆6前端再连接一个接咀9,其前端由弹性卡圈11压紧一个密封圈10,接咀9和芯杆6的密封圈10、8分别压紧钢瓶阀12(图3双点划线所示)进气口的管端和管内锥面上,双层密封以进一步保证接口的密封性。其余与实施例一相同。

Claims (3)

1、一种快速装拆管接头,其特征在于,作为流道的芯杆(6)周边均布三个以上抓爪(3),抓爪(3)以中间为支点可摆动,其前端有内螺纹,后端有向外的凸台(7),外壁开有L形压槽(1),外套(4)内孔的前段直径小于后段直径,前、后段之间有锥面(5)过渡,外套(4)前段有径向销(2)卡在抓爪的压槽(1)中可相对滑移。
2、按权利要求1所述的快速装拆管接头,其特征在于芯杆(6)前端装有密封圈(8)。
3、按权利要求1所述的快速装拆管接头,其特征在于芯杆(6)前端连接一个接咀(9)。
CN 93242142 1993-10-15 1993-10-15 一种快速装拆管接头 Expired - Fee Related CN2171761Y (zh)

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Application Number Priority Date Filing Date Title
CN 93242142 CN2171761Y (zh) 1993-10-15 1993-10-15 一种快速装拆管接头

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Application Number Priority Date Filing Date Title
CN 93242142 CN2171761Y (zh) 1993-10-15 1993-10-15 一种快速装拆管接头

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CN2171761Y true CN2171761Y (zh) 1994-07-13

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CN 93242142 Expired - Fee Related CN2171761Y (zh) 1993-10-15 1993-10-15 一种快速装拆管接头

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1795346B (zh) * 2003-05-28 2010-12-01 勒格里股份有限公司 瞬间偶联装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1795346B (zh) * 2003-05-28 2010-12-01 勒格里股份有限公司 瞬间偶联装置

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