CN203202314U - 浮瓣式止回阀 - Google Patents

浮瓣式止回阀 Download PDF

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Publication number
CN203202314U
CN203202314U CN 201320073572 CN201320073572U CN203202314U CN 203202314 U CN203202314 U CN 203202314U CN 201320073572 CN201320073572 CN 201320073572 CN 201320073572 U CN201320073572 U CN 201320073572U CN 203202314 U CN203202314 U CN 203202314U
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valve
clack
valve body
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CN 201320073572
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林益东
郑定义
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CHINA ZHEJIANG ZHONGGONG VALVE GROUP Co Ltd
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CHINA ZHEJIANG ZHONGGONG VALVE GROUP Co Ltd
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Abstract

本实用新型涉及一种浮瓣式止回阀，包括阀体、阀座、阀瓣，主要是阀体采用左阀体和右阀体通过连接件密封安装，阀座密封平面与管道中心线之间成a角，阀瓣通过阀杆安装与右阀体上，在阀瓣上侧的右阀体内壁制有凹槽形空腔。可安装于水平管道和垂直管道使用，阀瓣开启时隐浮于右阀体内壁的凹槽形空腔内，具有流阻小、关闭水锤低等优点。适用于单向流动介质管道上防止介质倒流的阀门。

Description

浮瓣式止回阀
技术领域
本实用新型涉及一种阀门，特别是关于一种止回阀。
背景技术
止回阀广泛使用于各种介质管路上，控制介质单向流动。止回阀的结构形式主要有对夹式、升降式、旋启式和蝶式结构。升降式止回阀和蝶式止回阀只能安装于水平管道上，而且升降式止回阀对介质流阻较大。对夹式止回阀和旋启式止回阀对介质流阻较大，而且旋启式止回阀关闭时水锤较大。
发明内容
本实用新型的目的是针对现有技术存在的问题，提供一种可安装于水平管道和垂直管道上，流阻小、关闭时水锤低的浮瓣式止回阀。
实现本实用新型目的的技术方案包括阀体、阀座、阀瓣，主要是阀体采用左阀体和右阀体通过连接件密封安装，阀座密封平面与管道中心线之间成a角，阀瓣通过阀杆安装于右阀体上，在阀瓣上侧的右阀体内壁制有凹槽形空腔。所述阀座密封平面与管道中心线之间的角度a为30°角。
本实用新型优点是可安装于水平管道和垂直管道使用，阀瓣开启后隐浮于右阀体内壁的凹槽形空腔内，且具有流阻小、关闭水锤低。
附图说明
图1是本实用新型的结构剖视图。
具体实施方式
如图1所示的浮瓣式止回阀，方案包括阀体、阀座3、阀瓣6，阀体采用左阀体1和右阀体7通过螺母4和螺栓5密封安装连接，阀座3密封安装在左阀体1上，其密封平面与管道中心线之间成a角，使阀瓣6关闭时降低水锤产生，a角最好采用30°。阀瓣3通过阀杆8安装于右阀体7上，可在阀杆8是转动。在阀瓣3上侧的右阀体7内壁制有凹槽形空腔，使阀瓣3开启后正好隐浮于右阀体7的凹槽形空腔内，如图1中阀瓣6虚线位置，以减小阀瓣6对介质的流阻。左阀体1与右阀体7之间设有密封垫片2。

Claims (1)

1.一种浮瓣式止回阀，包括阀体、阀座(3)、阀瓣(6)，其特征是阀体采用左阀体(1)和右阀体(7)通过连接件密封安装，阀座(3)密封平面与管道中心线之间成a角，阀瓣(6)通过阀杆(8)安装于右阀体(7)上，在阀瓣(6)上侧的右阀体(7)内壁制有凹槽形空腔；所述阀座(3)密封平面与管道中心线之间成30°角。
CN 201320073572 2013-02-02 2013-02-02 浮瓣式止回阀 Expired - Fee Related CN203202314U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320073572 CN203202314U (zh) 2013-02-02 2013-02-02 浮瓣式止回阀

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Application Number Priority Date Filing Date Title
CN 201320073572 CN203202314U (zh) 2013-02-02 2013-02-02 浮瓣式止回阀

Publications (1)

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CN203202314U true CN203202314U (zh) 2013-09-18

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CN 201320073572 Expired - Fee Related CN203202314U (zh) 2013-02-02 2013-02-02 浮瓣式止回阀

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106678399A (zh) * 2016-12-29 2017-05-17 凯喜姆阀门有限公司 一种多功能闸止阀

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106678399A (zh) * 2016-12-29 2017-05-17 凯喜姆阀门有限公司 一种多功能闸止阀
CN106678399B (zh) * 2016-12-29 2019-03-05 凯喜姆阀门有限公司 一种多功能闸止阀

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