CN203979424U - 一种排污阀 - Google Patents

一种排污阀 Download PDF

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Publication number
CN203979424U
CN203979424U CN201420362597.XU CN201420362597U CN203979424U CN 203979424 U CN203979424 U CN 203979424U CN 201420362597 U CN201420362597 U CN 201420362597U CN 203979424 U CN203979424 U CN 203979424U
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valve
spool
valve seat
seat
endoporus
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张清明
李运龙
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KAIRUITE VALVE INDUSTRY Co Ltd
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KAIRUITE VALVE INDUSTRY Co Ltd
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Abstract

<b/>本实用新型公开了一种排污阀,其特征在于:包括阀体、阀座、阀芯、阀杆和阀盖,所述阀座的上方设有阀套,阀套侧壁设有过流孔与阀体出口相通,所述阀座的下方设有过滤套筒,过滤套筒表面设置的过滤网将阀体进口与阀座内孔进行隔断;所述阀芯在阀套内孔上下活动设置,所述阀杆连接在阀芯顶部;所述阀芯由上部活塞体、中间缩径体和底部密封座组成,活塞体位于过流孔上方位置的阀套内孔,活塞体顶部由阀套内孔围出密封腔,所述阀杆与阀芯连接后有小距离的相对轴向移动量,在阀杆没有对阀芯进行向下压紧时,密封腔通过阀芯上设有的平衡孔与阀芯底面相通。本实用新型的优点是同时具有过滤、导向和平衡功能,阀座可换使用寿命长。

Description

一种排污阀
技术领域:
本实用新型涉及一种排污阀的改进发明。
背景技术:
排污阀的作用是进行管道的排污,排污阀通常作为设备排污的启闭装置。排污阀结构紧凑,启闭迅速,阻流小,密封性好,一般需定期进行操作。目前排污阀主要存在的不足有:不能同时具有过滤、导向和平衡功能,而且排污阀的使用寿命较短。
发明内容:
针对现有技术的不足,本实用新型的目的旨在提供一种同时具有过滤、导向和平衡功能、阀座可换使用寿命长的排污阀。
本实用新型采用的技术方案是:
一种排污阀,其特征在于:包括阀体、阀座、阀芯、阀杆和阀盖,阀体的顶部由阀盖进行盖住,阀体的左边设进口,阀体的右边设出口,进口和出口之间由阀体内设的隔板进行隔断,隔板中间设置阀座安装孔,阀座安装孔竖向设置,阀座从上往下装入阀座安装孔内,所述阀座的上方设有阀套,阀套由阀盖压紧固定在阀座的上端面,阀套侧壁设有过流孔与阀体出口相通,所述阀座的下方设有过滤套筒,过滤套筒的顶部端面抵靠阀座的下端面,底部端面由底盖进行压紧固定,底盖连接在阀体底部,过滤套筒表面设置的过滤网将阀体进口与阀座内孔进行隔断;所述阀芯在阀套内孔上下活动设置,所述阀杆连接在阀芯顶部;所述阀芯由上部活塞体、中间缩径体和底部密封座组成,活塞体位于过流孔上方位置的阀套内孔,活塞体顶部由阀套内孔围出密封腔,所述阀杆与阀芯连接后有小距离的相对轴向移动量,在阀杆没有对阀芯进行向下压紧时,密封腔通过阀芯上设有的平衡孔与阀芯底面相通。
采用上述技术方案后,通过阀芯上部活塞体在阀套内孔的活动设计使阀芯的动作得到了良好的导向,活塞式密封及阀芯上的平衡孔设计,保证了排污阀在启/闭全压差条件下稳定操作,开启轻便灵活、启闭扭矩小。另外,在排污阀的底部设置了较大的排污孔由底盖进行盖住,必要时进行打开并取出过滤套筒,清理阀内污物,从而使排污阀能够长期胜任排污工作。本实用新型同时具有过滤、导向和平衡功能。
为提高排污阀的使用寿命,采用了以下技术方案:所述阀座从上往下活动装入阀座安装孔内,阀座在阀座安装孔内的固定由阀套进行压紧。这样一来,阀座就可以进行单独的更换,从而使排污阀能够在长时间内保持密封,使排污阀能够长期胜任排污工作。
附图说明:
图1为本实用新型的结构示意图。
具体实施方式:
如图所示,本实用新型的一种排污阀,包括阀体2、阀座11、阀芯4、阀杆7和阀盖6,阀体2的顶部由阀盖6进行盖住,阀体2的左边设进口1,阀体2的右边设出口10,进口1和出口10之间由阀体2内设的隔板进行隔断,隔板中间设置阀座安装孔,阀座安装孔竖向设置,所述阀座11从上往下活动装入阀座安装孔内,所述阀座11的上方设有阀套5,阀套5由阀盖6压紧固定在阀座11的上端面,阀座11在阀座安装孔内的固定由阀套5进行压紧;阀套5侧壁设有过流孔3与阀体出口10相通,所述阀座11的下方设有过滤套筒12,过滤套筒12的顶部端面抵靠阀座11的下端面,底部端面由底盖13进行压紧固定,底盖13连接在阀体2底部,过滤套筒12表面设置的过滤网将阀体进口1与阀座11内孔进行隔断;所述阀芯4在阀套5内孔上下活动设置,所述阀杆7连接在阀芯4顶部;所述阀芯4由上部活塞体4a、中间缩径体和底部密封座4b组成,活塞体4a位于过流孔3上方位置的阀套5内孔,活塞体4a顶部由阀套5内孔围出密封腔8,所述阀杆7与阀芯4连接后有小距离的相对轴向移动量,在阀杆7没有对阀芯4进行向下压紧时,密封腔8通过阀芯4上设有的平衡孔9与阀芯3底面相通。

Claims (2)

1.一种排污阀,其特征在于:包括阀体、阀座、阀芯、阀杆和阀盖,阀体的顶部由阀盖进行盖住,阀体的左边设进口,阀体的右边设出口,进口和出口之间由阀体内设的隔板进行隔断,隔板中间设置阀座安装孔,阀座安装孔竖向设置,阀座从上往下装入阀座安装孔内,所述阀座的上方设有阀套,阀套由阀盖压紧固定在阀座的上端面,阀套侧壁设有过流孔与阀体出口相通,所述阀座的下方设有过滤套筒,过滤套筒的顶部端面抵靠阀座的下端面,底部端面由底盖进行压紧固定,底盖连接在阀体底部,过滤套筒表面设置的过滤网将阀体进口与阀座内孔进行隔断;所述阀芯在阀套内孔上下活动设置,所述阀杆连接在阀芯顶部;所述阀芯由上部活塞体、中间缩径体和底部密封座组成,活塞体位于过流孔上方位置的阀套内孔,活塞体顶部由阀套内孔围出密封腔,所述阀杆与阀芯连接后有小距离的相对轴向移动量,在阀杆没有对阀芯进行向下压紧时,密封腔通过阀芯上设有的平衡孔与阀芯底面相通。
2.如权利要求1所述的一种排污阀,其特征在于:所述阀座从上往下活动装入阀座安装孔内,阀座在阀座安装孔内的固定由阀套进行压紧。
CN201420362597.XU 2014-07-03 2014-07-03 一种排污阀 Expired - Fee Related CN203979424U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105749787A (zh) * 2016-04-09 2016-07-13 江苏长新电工机械集团有限公司 一种搅拌粉碎混合机
CN108006238A (zh) * 2017-12-29 2018-05-08 郑州源冉生物技术有限公司 一种医疗废液用过滤阀

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105749787A (zh) * 2016-04-09 2016-07-13 江苏长新电工机械集团有限公司 一种搅拌粉碎混合机
CN105749787B (zh) * 2016-04-09 2018-02-16 江苏长新电工机械集团有限公司 一种搅拌粉碎混合机
CN108006238A (zh) * 2017-12-29 2018-05-08 郑州源冉生物技术有限公司 一种医疗废液用过滤阀

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