CN202215752U - 一种手动卸压阀 - Google Patents

一种手动卸压阀 Download PDF

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Publication number
CN202215752U
CN202215752U CN2011203185641U CN201120318564U CN202215752U CN 202215752 U CN202215752 U CN 202215752U CN 2011203185641 U CN2011203185641 U CN 2011203185641U CN 201120318564 U CN201120318564 U CN 201120318564U CN 202215752 U CN202215752 U CN 202215752U
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thimble
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刘创勋
刘广利
孙海滨
焦利伟
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Zhengzhou Synthetic Diamond and Products Engineering Technology Research Center Co Ltd
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Zhengzhou Synthetic Diamond and Products Engineering Technology Research Center Co Ltd
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Abstract

本实用新型公开了一种手动卸压阀,包括阀体和与其配合的密封顶针,阀体与密封顶针之间设有球面垫,球面垫的球面与阀体密封连接,所述球面垫通过其上的压紧件压接于阀体内,所述密封顶针套装与压紧件内,密封顶针上方设有调节螺杆。本实用新型在阀体和密封顶针之间设置球面垫,球面垫的球面与阀体密封连接,卸压时,球面垫保持和阀体接触,能有效地保护阀体不被损坏;如果发现系统不保压,就可能是球面垫或者密封顶针发生损坏,只用更换球面垫或者密封顶针即可,维修方便且成本低。

Description

一种手动卸压阀
技术领域
本实用新型涉及一种手动卸压阀。 
背景技术
    现在六面顶压机液压系统中所安装的手动卸压阀结构如图1所示:主要包括阀体1,密封顶针3和压紧螺帽5,阀体1上有系统压力接口2和油箱接口4。在系统保压期间,压紧螺帽5把密封顶针3紧压在阀体1上,靠密封顶针3的圆锥面完成线型密封。卸压时,松动压紧螺帽5,密封顶针3与阀体1分离,系统中压力油与油箱联通,完成卸压过程。 
   在卸压时,系统中的高压油会以很高的速度通过阀体1和密封顶针3的密封线处,所以此处就成为了最容易损坏的地方,如果油杂质多的话,会损坏的更快。如果阀体1密封线处一旦损坏,在拧紧压紧螺帽5时,系统中的压力油还会经此处泄漏,起不到保压效果。这时就需要更换一个新的手动卸压阀。更换新的手动卸压阀不仅成本高,而且需要拆掉一部分管接头,维修麻烦而且漏油非常多。 
实用新型内容
本实用新型的目的在于提供一种损坏时便于维修的手动卸压阀。 
为达到上述目的,本实用新型采用的技术方案是: 
一种手动卸压阀,包括阀体和与其配合的密封顶针,阀体与密封顶针之间设有球面垫,球面垫的球面与阀体密封连接,所述球面垫通过其上的压紧件压接于阀体内,所述密封顶针套装于压紧件内,密封顶针上方设有调节螺杆。
所述压紧件包括压杆和压紧螺母,压杆压接于球面垫上并通过压紧螺母固定于阀体内;密封顶针套装于压杆内,调节螺杆与压紧螺母内腔螺接。 
所述压杆与阀体之间设有密封圈,密封顶针和压杆之间设有密封圈。 
本实用新型在阀体和密封顶针之间设置球面垫,球面垫的球面与阀体密封连接,卸压时,球面垫保持和阀体接触,能有效地保护阀体不被损坏;如果发现系统不保压,就可能是球面垫或者密封顶针发生损坏,只用更换球面垫或者密封顶针即可,维修方便且成本低。 
附图说明
图1是传统卸压阀结构示意图; 
图2是本实用新型结构示意图。
具体实施方式
如图2所示,一种手动卸压阀,包括阀体1和与其配合的密封顶针3,阀体1上有系统压力接口2和油箱接口4,阀体1与密封顶针3之间设有球面垫6,球面垫6的球面与阀体1密封连接。所述球面垫6通过其上的压杆9压接于阀体1内,压杆9通过压紧螺母7固定;密封顶针3套装于压杆9内,密封顶针3上方设有调节螺杆8,调节螺杆8与压紧螺母7的内腔螺接。压杆9与阀体1之间设有密封圈10,密封顶针3和压杆9之间设有密封圈10。 
本实用新型保压时,压杆9和压紧螺母7把球面垫6紧压在阀体1内,球面垫6与阀体1形成线型密封,调节螺杆8把密封顶针3紧压在球面垫6上,形成线型密封,系统在保压期间通过这两道密封线完成保压;卸压时通过松动调节螺杆8使密封顶针3与球面垫6分离,系统液压油与油箱联通,完成卸压。卸压过程中损坏的是球面垫6或密封顶针3,如果发现系统不保压,只需更换球面垫6或者密封顶针3即可;本实用新型还可以通过更改球面垫6节流口的大小,可以很方便的调节卸压速度。 

Claims (3)

1.一种手动卸压阀,包括阀体和与其配合的密封顶针,其特征在于,阀体与密封顶针之间设有球面垫,球面垫的球面与阀体密封连接,所述球面垫通过其上的压紧件压接于阀体内,所述密封顶针套装于压紧件内,密封顶针上方设有调节螺杆。
2.如权利要求1所述的手动卸压阀,其特征在于,所述压紧件包括压杆和压紧螺母,压杆压接于球面垫上并通过压紧螺母固定于阀体内;密封顶针套装于压杆内,调节螺杆与压紧螺母内腔螺接。
3.如权利要求2所述的手动卸压阀,其特征在于,所述压杆与阀体之间设有密封圈,密封顶针和压杆之间设有密封圈。
CN2011203185641U 2011-08-29 2011-08-29 一种手动卸压阀 Expired - Fee Related CN202215752U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3638890A4 (en) * 2017-06-15 2021-04-14 Hema Endüstri Anonim Sirketi THROTTLE LOCK VALVE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3638890A4 (en) * 2017-06-15 2021-04-14 Hema Endüstri Anonim Sirketi THROTTLE LOCK VALVE

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