CN2436730Y - 旋启式低压闸板阀 - Google Patents

旋启式低压闸板阀 Download PDF

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CN2436730Y
CN2436730Y CN 00212500 CN00212500U CN2436730Y CN 2436730 Y CN2436730 Y CN 2436730Y CN 00212500 CN00212500 CN 00212500 CN 00212500 U CN00212500 U CN 00212500U CN 2436730 Y CN2436730 Y CN 2436730Y
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valve
valve rod
open type
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flashboard
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洪庆联
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Abstract

本实用新型公开了一种旋启式低压闸板阀技术,具有手轮1连接阀杆2、闸板7穿接压盖3、阀盖4及阀体5,其特征在于上部阀杆2穿接压盖3下部安装的阀盖4结合部内设有升降螺纹,在下部阀体5内穿接阀杆2下端与闸板7上体开口处卡接。升降高度明显、开启灵活,使用方便,使用寿命长等特点,适用于低压管路,公称通径DN15—100,公称压力1.0—1.6MPa,温度≤200℃的水、油类和其它流体介质的管路工作环境。

Description

旋启式低压闸板阀
本实用新型属流体介质阀门,特别涉及一种旋启式低压闸板阀。
目前在流体介质工作环境中使用的闸板阀,阀体的阀杆与闸板为螺纹连接,闸板开启依靠阀杆与闸板的螺纹旋转工作产生升降,开启的大小只能凭手感掌握,闸板与阀杆的配合间隙较大,使用时由于螺纹的摩损导致闸板脱落关闭阀门,不能继续使用。
本实用新型的目的在于克服以上技术的不足,提供一种开启灵活、升降可靠的旋启式低压闸板阀。
本实用新型的任务在于,旋启式低压闸板阀综合旋启式截止阀和闸板阀的优点,由手轮连接阀杆、闸板,配合压盖、阀盖,在阀体内的阀杆与阀盖处设有升降螺纹,阀杆与闸板由卡簧或平垫卡接。
闸板阀的阀门升降开启灵活可靠,并能显示闸板升降高度,阀杆与阀盖的螺纹配合相对磨擦阻力较小,防止阀杆与闸板的卡接脱落,即升降螺纹磨损时,还可以完成阀门的开启与关闭。
以下结合附图以实施例具体说明。
图1示旋启式低压闸板阀结构原理图。
图中,1-手轮;2-阀杆;3-压盖;4-阀盖;5-阀杆;6-卡簧或平垫;7-闸板
参照附图1,旋启式低压闸板阀,具有手轮1连接阀杆2、闸板7穿接压盖3、阀盖4及阀体5,上部阀杆2穿接压盖3下部安装的阀盖4结合部内设有升降螺纹,在下部阀体5内穿接阀杆2下端与闸板7上体开口处卡接,下部阀杆2下端与闸板7上体开口之间由卡簧或平垫6卡接。
使用时,将阀体5连接在管路上,开启闸板阀时,逆时针方向旋转手轮1,使阀杆2螺纹连接闸板7提升,管路即相通;顺时针旋转手轮1,阀杆2螺纹连接闸板7降落,管路即关闭。完成一个工作循环。
旋启式低压闸板阀具有升降高度明显、开启灵活,使用方便,使用寿命长等特点,适用于低压管路,公称通径DN15-100,公称压力1.0-1.6MPa,温度≤200℃的水、油类和其它流体介质的管路工作环境。

Claims (2)

1、一种旋启式低压闸板阀,具有手轮1连接阀杆2、闸板7穿接压盖3、阀盖4及阀体5,其特征在于上部阀杆2穿接压盖3下部安装的阀盖4结合部内设有升降螺纹,在下部阀体5内穿接阀杆2下端与闸板7上体开口处卡接。
2、根据权利要求1所述的旋启式低压闸板阀,其特征在于,上部阀杆2下端与闸板7上体开口之间由卡簧或平垫6卡接。
CN 00212500 2000-07-01 2000-07-01 旋启式低压闸板阀 Expired - Fee Related CN2436730Y (zh)

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Application Number Priority Date Filing Date Title
CN 00212500 CN2436730Y (zh) 2000-07-01 2000-07-01 旋启式低压闸板阀

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CN 00212500 CN2436730Y (zh) 2000-07-01 2000-07-01 旋启式低压闸板阀

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CN2436730Y true CN2436730Y (zh) 2001-06-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108679248A (zh) * 2018-08-02 2018-10-19 周勇 一种防外漏自密封阀门

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108679248A (zh) * 2018-08-02 2018-10-19 周勇 一种防外漏自密封阀门

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