CN202047837U - 底阀 - Google Patents

底阀 Download PDF

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Publication number
CN202047837U
CN202047837U CN2011201751527U CN201120175152U CN202047837U CN 202047837 U CN202047837 U CN 202047837U CN 2011201751527 U CN2011201751527 U CN 2011201751527U CN 201120175152 U CN201120175152 U CN 201120175152U CN 202047837 U CN202047837 U CN 202047837U
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valve
cavity
bonnet
valve body
spool
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CN2011201751527U
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Inventor
洪凌海
李祥洪
李竹洋
陈建征
郑福云
陈永华
王琛
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Hydraulic Limited by Share Ltd
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FENGLONG HYDRAULIC Co Ltd
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Abstract

一种底阀,它包括阀体、阀帽,阀体中开有阀腔和进液口,阀腔是贯穿阀体的通腔,过滤器设置在左侧阀腔内用卡簧固定,阀座6设置在阀体右侧端部的环形槽内,阀帽中开有回液口,阀帽内套装弹簧和阀芯,阀芯穿过阀腔,阀芯与阀座锥面硬密封,阀芯上设有阻尼孔,阀体和阀帽螺纹连接紧固,连接处用尼龙堵防松。本实用新型结构紧凑,阀芯与阀座锥面硬密封,密封关闭性能更可靠,维修方便。

Description

底阀
技术领域
本实用新型涉及一种底阀,尤其是指一种用于煤矿综采工作面液压支架双伸缩双作用立柱千斤顶的底阀。 
背景技术
在现有技术中,底阀的结构多种多样,底阀主要是用于液压支架双伸缩双作用立柱千斤顶二级缸与活柱的伸缩顺序,并保持二级缸获得与一级缸相同工作阻力。它是机械开启的单向阀,其液压开启力可以调整,以便保证升柱时首先伸出一级缸。由于双伸缩双作用立柱千斤顶主要用于煤矿综采工作面液压支架,但目前使用的底阀结构较为复杂,由于密封结构缺陷,在全国众多煤矿井下使用时,出现了渗漏现象,受井下条件限制,无法在煤矿井下维修,使得给井下维修、生产、更换带来诸多困难。 
实用新型内容
本实用新型的目的在于提供一种用于煤矿综采工作面液压支架双伸缩双作用立柱千斤顶的底阀,它结构紧凑,便于安装维修,密封性能可靠,使用寿命长。 
为达到上述目的,本实用新型采取的解决方案是:一种底阀,它包括阀体、阀帽,阀体中开有阀腔和进液口,阀腔是贯穿阀体的通腔,过滤器设置在左侧阀腔内用卡簧固定,阀座6设置在阀体右侧端部的环形槽内,阀帽中开有回液口,阀帽内套装弹簧和阀芯,阀芯穿过阀腔,阀芯与阀座锥面硬密封,阀芯上设有阻尼孔,阀体和阀帽螺纹连接紧固,连接处用尼龙堵防松。 
本实用新型结构紧凑,阀芯与阀座锥面硬密封、密封关闭性能更可靠,维修方便。 
附图说明
图1是本实施例的主视剖面结构示意图。 
图中:1、阀体,2、卡簧,3、过滤器,4、尼龙堵,5、阀芯,6、阀座,7、弹簧,8、阀帽,9、回液口,10、阻尼孔,11、进液口。 
具体实施方式
下面结合实施例及其附图对本实用新型再作描述。 
参见图1,一种底阀,它包括阀体1、阀帽8,阀体1中开有阀腔和进液口11,阀腔是贯穿阀体1的通腔,过滤器3设置在左侧阀腔内用卡簧2固定,阀座6设置在阀体1右侧端部的环形槽内,阀帽8中开有回液口9,阀帽8内套装弹簧7和阀芯5,阀芯5穿过阀腔,阀芯5与阀座6锥面硬密封,阀芯5上设有阻尼孔10,阀体1和阀帽8螺纹连接紧固,连接处用尼龙堵4防松。 

Claims (1)

1.一种底阀,它包括阀体(1)、阀帽(8),其特征在于:阀体(1)中开有阀腔和进液口(11),阀腔是贯穿阀体(1)的通腔,过滤器(3)设置在左侧阀腔内用卡簧(2)固定,阀座(6)设置在阀体(1)右侧端部的环形槽内,阀帽(8)中开有回液口(9),阀帽(8)内套装弹簧(7)和阀芯(5),阀芯(5)穿过阀腔,阀芯(5)与阀座(6)锥面硬密封,阀芯(5)上设有阻尼孔(10),阀体(1)和阀帽(8)螺纹连接紧固,连接处用尼龙堵(4)防松。
CN2011201751527U 2011-05-22 2011-05-22 底阀 Expired - Fee Related CN202047837U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201751527U CN202047837U (zh) 2011-05-22 2011-05-22 底阀

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Application Number Priority Date Filing Date Title
CN2011201751527U CN202047837U (zh) 2011-05-22 2011-05-22 底阀

Publications (1)

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CN202047837U true CN202047837U (zh) 2011-11-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103603975A (zh) * 2013-11-26 2014-02-26 湖南特力液压有限公司 推杆单向阀与多级液压缸

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103603975A (zh) * 2013-11-26 2014-02-26 湖南特力液压有限公司 推杆单向阀与多级液压缸
CN103603975B (zh) * 2013-11-26 2015-10-28 湖南特力液压有限公司 多级液压缸

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C56 Change in the name or address of the patentee

Owner name: FENGLONG HIGH-TECH HYDRAULIC CO., LTD.

Free format text: FORMER NAME: FENGLONG HYDRAULIC CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: Nineteen Yueqing Economic Development Zone, Zhejiang, Wei Road, 325600

Patentee after: Hydraulic Limited by Share Ltd

Address before: Nineteen Yueqing Economic Development Zone, Zhejiang, Wei Road, 325600

Patentee before: Fenglong Hydraulic Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111123

Termination date: 20200522

CF01 Termination of patent right due to non-payment of annual fee