一种控制阀结构及投放装置

By controlling the opening and closing of the valve core through a cam transmission structure of piston and rotating rod, the problems of complexity of traditional washing machine dispensing devices and wear of sealing components are solved, resulting in a longer service life and a lower failure rate.

CN115388209BActive Publication Date: 2026-07-17QINGDAO HAIER DRUM WASHING MACHINE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
QINGDAO HAIER DRUM WASHING MACHINE CO LTD
Filing Date
2021-05-24
Publication Date
2026-07-17

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Abstract

本发明提供了一种控制阀结构，其包括：壳体，壳体内中空构成腔室，壳体上设有与腔室相连通的开口，腔室内安装有可相对开口进行伸缩移动的活塞；壳体上安装有驱动活塞移动的驱动结构，用于控制活塞上所设密封结构对应封闭或打开开口。通过上述设置，利用活塞移动来实现对开口开闭的控制，由于活塞移动过程中，活塞上的密封圈等结构并不会与壳体内壁相接触，避免了橡胶等弹性材质构成的密封结构在开闭过程中与阀体结构的壳体内壁因摩擦挤压而变形失效等情况的发生的显著技术进步。本发明提供了一种投放装置，其安装有上述的控制阀结构，用于控制投放装置的水路的开闭。
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