CN205745472U - 一种球心逆流阀门 - Google Patents

一种球心逆流阀门 Download PDF

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Publication number
CN205745472U
CN205745472U CN201620427863.1U CN201620427863U CN205745472U CN 205745472 U CN205745472 U CN 205745472U CN 201620427863 U CN201620427863 U CN 201620427863U CN 205745472 U CN205745472 U CN 205745472U
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valve body
upside
sphere
centre
screw rod
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王华梅
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Shandong Yihua Valve Industry Co Ltd
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Shandong Yihua Valve Industry Co Ltd
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Abstract

本实用新型公开了一种球心逆流阀门，包括阀体，其特征在于，所述阀体左右两侧设有对接装置，所述阀体内左侧设有进水腔，所述阀体右侧设有出水腔，所述进水腔右端位于出水腔左端上侧，所述进水腔与出水腔间设有限位腔壁，所述限位腔壁上侧设有密封球，所述密封球上侧设有牵引装置，所述阀体上侧设有密封盖，所述密封盖通过螺栓固定在阀体上，所述密封盖上侧设有导向装置，所述导向装置内设有螺杆，所述螺杆上侧设有手柄，所述牵引装置上段与螺杆下端连接。本实用新型的有益效果：使用球心作为密封件，因球心的外表面光滑有弧度，受压力影响小，开启时省力、方便，且因为球心的外表面有弧度，密封件的接触面积大，密封效果好。

Description

一种球心逆流阀门
技术领域
本实用新型涉及一种阀门，具体说是一种球心逆流阀门。
背景技术
逆流阀又称为对夹止回阀、逆止阀、背压阀、单向阀。这类阀门是靠管路中介质本身的流动产生的力而自动开启和关闭的，属于一种自动阀门。这种类型的阀门的作用是只允许介质向一个方向流动，而且阻止反方向流动。通常这种阀门是自动工作的，在一个方向流动的流体压力作用下，阀瓣打开；流体反方向流动时，由流体压力和阀瓣的自重合阀瓣作用于阀座，从而切断流动。
但在逆流阀门的使用过程存在逆向开启的需求，传统的可开启逆流阀在压力的作用下开启十分困难，多使用动力设备驱动，但因压力作用强开启速度慢。
实用新型内容
本实用新型的目的便是提供一种能逆向开启时受压力影响小，方便开启的逆流阀。
为实现上述目的，本实用新型的技术方案包括阀体，其特征在于，所述阀体左右两侧设有对接装置，所述阀体内左侧设有进水腔，所述阀体右侧设有出水腔，所述进水腔右端位于出水腔左端上侧，所述进水腔与出水腔间设有限位腔壁，所述限位腔壁上侧设有密封球，所述密封球上侧设有牵引装置，所述阀体上侧设有密封盖，所述密封盖通过螺栓固定在阀体上，所述密封盖上侧设有导向装置，所述导向装置内设有螺杆，所述螺杆上侧设有手柄，所述牵引装置上段与螺杆下端连接，所述手柄下侧与导向装置接触面设有密封圈。
由于采用上述技术方案，本实用新型的有益效果：使用球心作为密封件，因球心的外表面光滑有弧度，受压力影响小，开启时省力、方便，且因为球心的外表面有弧度，密封件的接触面积大，密封效果好。
附图说明
现结合附图对本实用新型做进一步说明。
图1为本实用新型的结构示意图。
图中：1、阀体，2、对接装置，3、进水腔，4、出水腔，5、限位腔壁，6、密封球，7、牵引装置，8、密封盖，9、螺栓，10、导向装置，11、螺杆，12、手柄，13、密封圈。
具体实施方式
如图1所示，本实用新型包括阀体1，其特征在于，所述阀体1左右两侧设有对接装置2，所述阀体1内左侧设有进水腔3，所述阀体1右侧设有出水腔4，所述进水腔3右端位于出水腔4左端上侧，所述进水腔3与出水腔4间设有限位腔壁5，所述限位腔壁5上侧设有密封球6，所述密封球6上侧设有牵引装置7，所述阀体1上侧设有密封盖8，所述密封盖8通过螺栓9固定在阀体1上，所述密封盖8上侧设有导向装置10，所述导向装置10内设有螺杆11，所述螺杆11上侧设有手柄12，所述牵引装置7上段与螺杆11下端连接，所述手柄12下侧与导向装置10接触面设有密封圈13。
本实用新型的工作原理：当水经过出水腔4进入阀体1内时，因水流压力顶起密封球6，进入进水腔3，当水流从进水腔3进入出水腔4时，密封球6因为自身重力和水流的压迫停留在限位腔壁5，阻止水流逆流，当需要逆向开启时，旋转手柄12，螺杆11向上移动带动牵引装置7拉动密封球6，实现开启。

Claims (1)

1.一种球心逆流阀门，包括阀体，其特征在于：所述阀体左右两侧设有对接装置，所述阀体内左侧设有进水腔，所述阀体右侧设有出水腔，所述进水腔右端位于出水腔左端上侧，所述进水腔与出水腔间设有限位腔壁，所述限位腔壁上侧设有密封球，所述密封球上侧设有牵引装置，所述阀体上侧设有密封盖，所述密封盖通过螺栓固定在阀体上，所述密封盖上侧设有导向装置，所述导向装置内设有螺杆，所述螺杆上侧设有手柄，所述牵引装置上段与螺杆下端连接，所述手柄下侧与导向装置接触面设有密封圈。
CN201620427863.1U 2016-05-12 2016-05-12 一种球心逆流阀门 Active CN205745472U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108662216A (zh) * 2018-05-25 2018-10-16 永嘉县信诚科技服务有限公司 止回式截止阀

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108662216A (zh) * 2018-05-25 2018-10-16 永嘉县信诚科技服务有限公司 止回式截止阀

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