CN202047844U - 伸缩梁单向锁 - Google Patents

伸缩梁单向锁 Download PDF

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Publication number
CN202047844U
CN202047844U CN2011201752500U CN201120175250U CN202047844U CN 202047844 U CN202047844 U CN 202047844U CN 2011201752500 U CN2011201752500 U CN 2011201752500U CN 201120175250 U CN201120175250 U CN 201120175250U CN 202047844 U CN202047844 U CN 202047844U
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China
Prior art keywords
valve
mouth
core assembly
unidirectional lock
valve core
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Expired - Fee Related
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CN2011201752500U
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English (en)
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

一种伸缩梁单向锁,它包括阀体、阀芯组件、螺堵,阀体中开有阀腔、A口、K口、P口,A口、K口、P口与阀腔相通,螺堵上开有节流孔;端盖、阀壳、大弹簧、顶杆、垫圈、小弹簧、阀芯、阀座、保持套和活塞组成一个阀芯组件,阀芯与阀座锥面硬密封,阀芯组件作为一个整体插接件装入阀腔。它用于煤矿综采工作面液压支架。

Description

伸缩梁单向锁
技术领域
本实用新型涉及一种单向锁,尤其是指一种用于煤矿综采工作面液压支架伸缩梁单向锁。
背景技术
伸缩梁单向锁用于液压支架伸缩梁千斤顶,用以封锁伸缩梁千斤顶的有杆腔,达到保持伸缩梁千斤顶的相对位置。但是目前用于液压支架回路中的伸缩梁单向锁结构较为复杂,拆装较难,抗污染能力差。
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伸缩梁单向锁,它采用插装式结构,结构紧凑,便于安装维修,密封关闭性能可靠,流量大,压力损失小。
为达到上述目的,本实用新型采取的解决方案是:一种伸缩梁单向锁,它包括阀体、阀芯组件、螺堵,阀体中开有阀腔、A口、K口、P口,A口、K口、P口与阀腔相通,螺堵上开有节流孔;端盖、阀壳、大弹簧、顶杆、垫圈、小弹簧、阀芯、阀座、保持套和活塞组成一个阀芯组件,阀芯与阀座锥面硬密封,阀芯组件作为一个整体插接件装入阀腔。
本实用新型优点在于结构简单、紧凑,便于安装维修,抗污染能力强,耐冲击,密封可靠。
附图说明
图1是本实用新型的主视剖面结构示意图。
图中:1、阀体,2、端盖,3、阀壳,4、大弹簧,5、顶杆,6、垫圈,7、小弹簧,8、阀芯,9、阀座,10、保持套,11、阀腔,12、活塞,13、螺堵,14、节流孔,15、K口,16、P口,17、A口。
具体实施方式
下面结合实例及其附图对本实用新型再作描述。
参见图1,一种伸缩梁单向锁,它包括阀体1、阀芯组件、螺堵13,阀体1中开有阀腔11、A口17、K口15、P口16,A口17、K口15、P口16与阀腔11相通,螺堵13上开有节流孔14;端盖2、阀壳3、大弹簧4、顶杆5、垫圈6、小弹簧7、阀芯8、阀座9、保持套10和活塞12组成一个阀芯组件,阀芯8与阀座9锥面硬密封,阀芯组件作为一个整体插接件装入阀腔11。
本实施例是FDD125/50C伸缩梁单向锁,额定流量:125L/min,工作压力:50MPa,工作介质为5%乳化油、95%中性水混合乳化液。

Claims (1)

1.一种伸缩梁单向锁,它包括阀体(1)、阀芯组件、螺堵(13),其特征在于:阀体(1)中开有阀腔(11)、A口(17)、K口(15)、P口(16),A口(17)、K口(15)、P口(16)与阀腔(11)相通,螺堵(13)上开有节流孔(14);端盖(2)、阀壳(3)、大弹簧(4)、顶杆(5)、垫圈(6)、小弹簧(7)、阀芯(8)、阀座(9)、保持套(10)和活塞(12)组成一个阀芯组件,阀芯(8)与阀座(9)锥面硬密封,阀芯组件作为一个整体插接件装入阀腔(11)。
CN2011201752500U 2011-05-22 2011-05-22 伸缩梁单向锁 Expired - Fee Related CN202047844U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201752500U CN202047844U (zh) 2011-05-22 2011-05-22 伸缩梁单向锁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201752500U CN202047844U (zh) 2011-05-22 2011-05-22 伸缩梁单向锁

Publications (1)

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CN202047844U true CN202047844U (zh) 2011-11-23

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CN2011201752500U Expired - Fee Related CN202047844U (zh) 2011-05-22 2011-05-22 伸缩梁单向锁

Country Status (1)

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CN (1) CN202047844U (zh)

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111123

Termination date: 20200522