CN2874158Y - 三位三通控制阀 - Google Patents

三位三通控制阀 Download PDF

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Publication number
CN2874158Y
CN2874158Y CN 200520098912 CN200520098912U CN2874158Y CN 2874158 Y CN2874158 Y CN 2874158Y CN 200520098912 CN200520098912 CN 200520098912 CN 200520098912 U CN200520098912 U CN 200520098912U CN 2874158 Y CN2874158 Y CN 2874158Y
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valve
valve body
utility
model
flap
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李习洪
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WUHAN DAYU VALVE CO Ltd
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Abstract

本实用新型公开了一种三位三通控制阀。它包括上阀体,与上阀体连接的下阀体,上阀体内设上阀座,下阀体内设下阀座,上阀座和下阀座同轴,上阀体和下阀体构成三流道,上阀体上连接阀盖总成,阀轴穿过阀盖总成,阀轴上连接阀瓣总成,阀瓣总成的侧面设密封装置可同时与上下阀座侧面密封。其实现电动控制方便简单;不受气候影响;控制平稳,不引起振动;多一个截止功能,省一个检修阀。可关闭过滤器进出口,以压缩空气冲松堵塞物,保证反冲洗效果;开、关阀时产生环形喷流,具有自洁功能;将传统的过滤反冲洗切换阀由四台变为两台,使操作变得简便,占用空间减小。阀瓣采用立装式,便于维修保养。

Description

三位三通控制阀
技术领域
本实用新型属于管道控制阀门,具体涉及一种三位三通控制阀。
背景技术
在现有的管道上实现过滤和反冲一般采用图5的阀门和过滤器装置20的组合,即采用四个蝶阀组合启闭来实现过滤和反冲洗,当阀12、13关闭,11、14开启,正常过滤;当阀11、14关闭,12、13开启,进行反冲洗;这种结构所使用的阀门数量多,控制复杂。而现有的二位三通控制阀不管是何种控制状态,其三个流道中始终有两个流道是相通的,不能实现三个流道同时断开,以断开三个管道。
发明内容
本实用新型的目的在于提供一种可实现过滤和反冲洗的三位三通控制阀,以解决上述问题。
本实用新型的技术方案为:三位三通控制阀,它包括上阀体,与上阀体连接的下阀体,上阀体内设上阀座,下阀体内设下阀座,上阀座和下阀座同轴,上阀体和下阀体构成三流道,上阀体上连接阀盖总成,阀轴穿过阀盖总成,阀轴上连接阀瓣总成,阀瓣总成的侧面设密封装置可同时与上下阀座侧面密封。
该阀阀瓣总成采用侧面与上下阀座侧面密封的结构,阀瓣总成能实现与上下阀座的同时密封,从而完成将三个流道同时断开,而阀板总成的上移或下移,又能实现三个流道中的任意两个流道的导通。该阀用于上述过滤器装置的过滤和反中,只需在过滤器装置进出端各连接一个,即可实现过滤和反冲洗。其实现电动控制方便简单;不受气候影响;控制平稳,不引起振动;多一个截止功能,省一个检修阀。可关闭过滤器进出口,以压缩空气冲松堵塞物,保证反中洗效果;开、关阀时产生环形喷流,具有自洁功能;将传统的过滤反冲洗切换阀由四台变为两台,使操作变得简便,占用空间减小。阀瓣采用立装式,便于维修保养。
附图说明
图1三位三通控制阀结构示意图
图2三位三通控制阀使用之过滤状态
图3三位三通控制阀使用之冲松堵塞物状态
图4三位三通控制阀使用之反冲洗状态
图5现有过滤和反冲洗示意图
具体实施方式
该阀门的控制可采用电动、气动、液动。本实施例采用的电动驱动。
如图1所示,上阀体5连接阀盖总成,阀盖总成包括隔离盘4、导向块3和支架2,支架2上连接电动驱动装置1,电动驱动装置包括电机及减速装置。上阀体5与下阀体10连接,上阀体5内设上阀座7,下阀体10内设下阀座9,上阀座7和下阀座10同轴,上阀体5和下阀体10构成三流道,即流道A、B、C。阀轴6穿过阀盖总成与电动驱动装置1连接。阀轴6上连接阀瓣总成8,阀瓣总成8的侧面上部和下部分别设密封装置81、82。密封装置81、82为密封圈。
如图2所示,当阀瓣下行至下止点时,阀瓣的上密封圈与下阀座贴合,截断流道C,流道A与B导通。即:直通过滤状态。
如图3所示,当阀瓣停止在中间时,阀瓣上两个密封圈分别与上、下阀座贴合,管道介质被截断。即:截止状态;通过气动装置将过滤器装置20中的堵塞物冲松。
如图4所示,当阀瓣上行至上止点时,阀瓣的下密封圈与上阀座贴合,截断流道B,流道A与C导通。即:下通反中洗状态。

Claims (4)

1、一种三位三通控制阀,它包括上阀体,与上阀体连接的下阀体,上阀体内设上阀座,下阀体内设下阀座,上阀座和下阀座同轴,上阀体和下阀体构成三流道,上阀体上连接阀盖总成,阀轴穿过阀盖总成,阀轴上连接阀瓣总成,其特征在于阀瓣总成的侧面设密封装置可同时与上下阀座侧面密封。
2、如权利要求1所述三位三通控制阀,其特征在于阀瓣总成的侧面上部和下部分别设密封装置。
3、如权利要求1或2所述三位三通控制阀,其特征在于密封装置为密封圈。
4、如权利要求1所述三位三通控制阀,其特征在于阀盖总成上设阀轴驱动装置。
CN 200520098912 2005-11-24 2005-11-24 三位三通控制阀 Expired - Lifetime CN2874158Y (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128283A (zh) * 2011-01-21 2011-07-20 杭州佳能阀门有限公司 一种气动活塞式反吹风切换阀
CN103775679A (zh) * 2013-12-31 2014-05-07 丹佛斯公司 用于合流和分流的三通阀
CN104998480A (zh) * 2015-08-21 2015-10-28 孙立民 一种双头可控空气过滤装置
CN108758000A (zh) * 2018-05-25 2018-11-06 南通博俊环保科技有限公司 一种水力液压三通阀

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102128283A (zh) * 2011-01-21 2011-07-20 杭州佳能阀门有限公司 一种气动活塞式反吹风切换阀
CN103775679A (zh) * 2013-12-31 2014-05-07 丹佛斯公司 用于合流和分流的三通阀
CN104998480A (zh) * 2015-08-21 2015-10-28 孙立民 一种双头可控空气过滤装置
CN105920950A (zh) * 2015-08-21 2016-09-07 孙立民 一种双头可控空气过滤装置
CN104998480B (zh) * 2015-08-21 2017-01-11 原浩然 一种双头可控空气过滤装置
CN108758000A (zh) * 2018-05-25 2018-11-06 南通博俊环保科技有限公司 一种水力液压三通阀

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