CN104214161A - 管道伸缩行程阀 - Google Patents

管道伸缩行程阀 Download PDF

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CN104214161A
CN104214161A CN201410525771.2A CN201410525771A CN104214161A CN 104214161 A CN104214161 A CN 104214161A CN 201410525771 A CN201410525771 A CN 201410525771A CN 104214161 A CN104214161 A CN 104214161A
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piston rod
piston sleeve
described piston
stroke valve
pipeline
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CN104214161B (zh
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赵宽学
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Gaoyou Huaxing Petroleum Pipe Fittings Manufacturing Co ltd
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Abstract

一种管道伸缩行程阀,包括活塞套和活塞杆,所述活塞杆套设在所述活塞套中,其特征在于:所述活塞套顶端容腔连通上管道,所述活塞杆中的下管口连通下管道,所述活塞杆中的上管口连通所述活塞套的容腔,所述活塞套中部内壁上设置凹槽,所述活塞杆在所述活塞套中运动时,所述上管口和所述下管口都到达所述凹槽处时,所述上管口和所述下管口才能连通。由于这种管道伸缩行程阀采用管道套设和伸缩的方式来实现管道的导通和关闭,结构简单,安全可靠。

Description

管道伸缩行程阀
 
技术领域
本发明涉及一种开关阀,尤其是涉及一种伸缩管道的行程开关阀。
背景技术
在液压传动、气动设备和专用机床等领域都有用到行程阀,行程阀是用于活动部件运动到一定的位置或者一定的运动范围时,使液压管道或者气压管道导通或者关闭。现有设备中,在两个活动部件之间通过的液压管道或者气压管道都是采用软管连接,软管反复伸直和折弯动作很容易老化。现有设备中使用的行程阀是在活动部件行程范围中设置触点,运动部件接触到触点时,使液压管道或者气压管道导通或者关闭。现有的行程阀安装比较复杂,占用空间大,有些设备因空间问题而无法安装。
发明内容
为了解决现有技术中,两个活动部件之间采用软管连接,软管反复伸直和折弯动作容易老化和现有行程阀安装复杂占用空间大的问题,本发明提供了又一种管道伸缩行程阀,这种管道伸缩行程阀采用管道套设和伸缩的方式来实现管道的导通和关闭,结构简单,安全可靠。
    本发明解决技术问题所采用的技术方案是:一种管道伸缩行程阀,包括活塞套和活塞杆,所述活塞杆套设在所述活塞套中,其特征在于:所述活塞套顶端容腔连通上管道,所述活塞杆中的下管口连通下管道,所述活塞杆中的上管口连通所述活塞套的容腔,所述活塞套内壁上设置凹槽,所述活塞杆在所述活塞套中运动时,所述上管口和所述下管口到达所述凹槽处时,所述上管口和所述下管口通过所述凹槽连通。
    其中,所述活塞套和所述活塞杆的一端相互套设,所述活塞套和所述活塞杆的另一端分别固定在设备的两个相对活动的部件上并且分别与管道连接,设备的两个相对活动部件在一定范围来回反复运动时,所述活塞杆在所述活塞套中伸缩运动,活动部件在行程范围内管道的导通和关闭由所述活塞套中的凹槽位置和凹槽的长度决定。
    作为进一步改进的技术方案,所述活塞杆上设置上环槽和下环槽,所述上管口设置在所述上环槽中,所述下管口设置在所述下环槽中。
    本发明的有益效果是:由于本发明的一种管道伸缩行程阀,活塞杆套设在活塞套中,活塞套顶端容腔连通上管道,活塞杆中的下管口连通下管道,活塞杆中的上管口连通活塞套的容腔,活塞套中部内壁上设置凹槽,活塞杆在活塞套中运动时,上管口和下管口同时到达凹槽处时,上管口和下管口才能连通。这种管道伸缩行程阀采用活塞杆在活塞套中伸缩运动来实现管道的导通和关闭,结构简单安装方便,使用安全。
附图说明
   下面结合附图和实施例对本发明进一步说明。
图1是本发明的结构示意图。
图2是本发明另一种方案结构示意图。
图中各附图标记的含意为:1.凹槽; 2.下管口; 3.上管口; 4.上管道; 5.活塞套; 6.活塞杆; 7.下管道; 8.上环槽; 9.下环槽。
具体实施方式
    如图1和图2所示,一种管道伸缩行程阀,包括活塞套5和活塞杆6,所述活塞杆6套设在所述活塞套5中,所述活塞套5顶端容腔连通上管道4,所述活塞杆6中的下管口2连通下管道7,所述活塞杆6中的上管口3连通所述活塞套5的容腔,所述活塞套5中部内壁上设置凹槽1,所述活塞杆6在所述活塞套5中运动时,所述上管口3和所述下管口2都到达所述凹槽1处时,所述上管口3和所述下管口2才能连通。还能够在所述活塞杆6上设置上环槽8和下环槽9,所述上管口3设置在所述上环槽8中,所述下管口2设置在所述下环槽9中。
    其中,所述活塞套5和所述活塞杆6的一端相互套设,所述活塞套5和所述活塞杆6的另一端分别固定在设备的两个相对活动部件上并且分别与管道连接,设备的两个相对活动部件在一定范围来回反复运动时,所述活塞杆6在所述活塞套5中伸缩运动,活动部件在行程范围内管道的导通和关闭由所述活塞套5中的凹槽1位置和长度决定。
安装时,将本发明的管道伸缩行程阀的两端分别用螺丝固定在两个相对运动的部件上,然后在两端连接液压或者气压管道。当两个活动部件相对运动时,所述活塞杆6在所述活塞套5中伸缩运动,当所述上管口3和所述下管口2都到达所述凹槽1处时,液体或者气体从下管道7流向下管口2进入凹槽1中,再通过上管口3流入上管道4中,管路成导通状态;当所述上管口3和所述下管口2离开所述凹槽1处时,所述上管口3和所述下管口2被所述活塞杆6和所述活塞套5隔断,此时管路成关闭状态。

Claims (2)

1.一种管道伸缩行程阀,包括活塞套(5)和活塞杆(6),所述活塞杆(6)套设在所述活塞套(5)中,其特征在于:所述活塞套(5)顶端容腔连通上管道(4),所述活塞杆(6)中的下管口(2)连通下管道(7),所述活塞杆(6)中的上管口(3)连通所述活塞套(5)的容腔,所述活塞套(5)内壁上设置凹槽(1),所述活塞杆(6)在所述活塞套(5)中运动时,所述上管口(3)和所述下管口(2)到达所述凹槽(1)处,所述上管口(3)和所述下管口(2)通过所述凹槽(1)连通。
2.根据权利要求1所述的一种管道伸缩行程阀,其特征在于:所述活塞杆(6)上设置上环槽(8)和下环槽(9),所述上管口(3)设置在所述上环槽(8)中,所述下管口(2)设置在所述下环槽(9)中。
CN201410525771.2A 2014-10-01 2014-10-01 管道伸缩行程阀 Active CN104214161B (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB188085A (en) * 1921-08-09 1922-11-09 Thomas Arthur Fall Taps and valves
GB786419A (en) * 1953-03-14 1957-11-20 Seetru Ltd Improvements in and relating to hydraulic and gaseous fluid valves
CN2127132Y (zh) * 1992-05-23 1993-02-17 朱金霖 气体二用灌充阀
CN1252740A (zh) * 1997-04-21 2000-05-10 斯文·埃里克·英厄马尔·哈尔托普 带有喷嘴和阀的喷射装置
CN201037549Y (zh) * 2007-06-19 2008-03-19 唐德修 一种水量可调式节水阀门或水龙头
CN203202263U (zh) * 2013-04-18 2013-09-18 济南易恒技术有限公司 冷媒加注枪用滑阀

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB188085A (en) * 1921-08-09 1922-11-09 Thomas Arthur Fall Taps and valves
GB786419A (en) * 1953-03-14 1957-11-20 Seetru Ltd Improvements in and relating to hydraulic and gaseous fluid valves
CN2127132Y (zh) * 1992-05-23 1993-02-17 朱金霖 气体二用灌充阀
CN1252740A (zh) * 1997-04-21 2000-05-10 斯文·埃里克·英厄马尔·哈尔托普 带有喷嘴和阀的喷射装置
CN201037549Y (zh) * 2007-06-19 2008-03-19 唐德修 一种水量可调式节水阀门或水龙头
CN203202263U (zh) * 2013-04-18 2013-09-18 济南易恒技术有限公司 冷媒加注枪用滑阀

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