CN202561105U - 泄压式半球阀的阀芯 - Google Patents

泄压式半球阀的阀芯 Download PDF

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Publication number
CN202561105U
CN202561105U CN2012201803352U CN201220180335U CN202561105U CN 202561105 U CN202561105 U CN 202561105U CN 2012201803352 U CN2012201803352 U CN 2012201803352U CN 201220180335 U CN201220180335 U CN 201220180335U CN 202561105 U CN202561105 U CN 202561105U
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Prior art keywords
valve
pressure
pressure release
ball
valve core
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Expired - Fee Related
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CN2012201803352U
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English (en)
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沈升好
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Anhui Fanchang Wannan Valve Casting Co Ltd
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Anhui Fanchang Wannan Valve Casting Co Ltd
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Abstract

本实用新型公开了一种泄压式半球阀的阀芯,包括有半球体,所述半球体外侧端面设有平面状的阀板,阀板的中部开有泄压通道,泄压通道具有圆锥孔,圆锥孔内配合有密封球,密封球外侧压置有弹簧。本实用新型采用单向阀卸载阀口过高压力,能够承受高压力的水流冲击,保证了球阀不会因压力过高损坏,且安装拆卸方便快捷,易于操作人员单独进行。

Description

泄压式半球阀的阀芯
技术领域
本实用新型涉及偏心半球阀领域,具体属于泄压式半球阀的阀芯。
背景技术
   在管道中起截断介质的球阀种类很多,有硬质密封偏心球阀和软密封偏心半球阀,硬密封偏心半球阀的密封是金属对金属,长时间使用后相接触面会相互摩擦,使密封有一定的泄漏,软密封偏心半球阀的密封是金属对橡胶,长时间使用后相接触面不会相互摩擦,密封可达到零泄漏,目前市场上已有的软密封结构在使用时虽然达到零密封的效果,但其结构复杂、安装维修不方便,特别是在容易发生结垢的恶略环境中使用,因结垢现象的产生而影响到阀门的自如开启,降低了工作效率,影响了使用寿命和经济效益。
实用新型内容
本实用新型的目的是提供一种泄压式半球阀的阀芯,采用单向阀卸载阀口过高压力,能够承受高压力的水流冲击,保证了球阀不会因压力过高损坏,且安装拆卸方便快捷,易于操作人员单独进行。
本实用新型的技术方案如下:
泄压式半球阀的阀芯,包括有半球体,所述半球体外侧端面设有平面状的阀板,阀板的中部开有泄压通道,泄压通道具有圆锥孔,圆锥孔内配合有密封球,密封球外侧压置有弹簧。
所述的阀板外侧设有凸台。
本实用新型采用单向阀卸载阀口过高压力,能够承受高压力的水流冲击,保证了球阀不会因压力过高损坏,且安装拆卸方便快捷,易于操作人员单独进行。
附图说明
图1为本实用新型的结构示意图。 具体实施方式
参见附图,泄压式半球阀的阀芯,包括有半球体1,半球体1外侧端面设有平面状的阀板2,阀板2的中部开有泄压通道3,泄压通道3具有圆锥孔4,圆锥孔4内配合有密封球5,密封球5外侧压置有弹簧6,阀板2外侧设有凸台7。

Claims (2)

1.泄压式半球阀的阀芯,包括有半球体,其特征在于:所述半球体外侧端面设有平面状的阀板,阀板的中部开有泄压通道,泄压通道具有圆锥孔,圆锥孔内配合有密封球,密封球外侧压置有弹簧。
2.根据权利要求1所述的泄压式半球阀的阀芯,其特征在于:所述的阀板外侧设有凸台。
CN2012201803352U 2012-04-25 2012-04-25 泄压式半球阀的阀芯 Expired - Fee Related CN202561105U (zh)

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CN2012201803352U CN202561105U (zh) 2012-04-25 2012-04-25 泄压式半球阀的阀芯

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CN202561105U true CN202561105U (zh) 2012-11-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113803488A (zh) * 2021-07-28 2021-12-17 天津祥嘉流体控制***有限公司 一种具有泄压保护的半球阀

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113803488A (zh) * 2021-07-28 2021-12-17 天津祥嘉流体控制***有限公司 一种具有泄压保护的半球阀

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Granted publication date: 20121128

Termination date: 20140425