The invention discloses an automobile air conditioner drain pipe water backflow prevention structure which comprises a water inlet and a water outlet, a one-way valve is connected between the water inlet and the water outlet and comprises a valve cavity, an ejector pin valve element is arranged in the valve cavity, and one end of the ejector pin valve element separates the water inlet and the valve cavity. The drainage pipe can be prevented from being blocked by external muddy water, normal use of the air conditioner is guaranteed, and the drainage pipe is convenient to install and reliable in sealing performance.
本发明公开了一种汽车空调排水管防水倒灌结构,包括进水口和出水口,进水口和出水口之间连接有单向阀,单向阀包括阀腔,阀腔内设有顶针阀芯,顶针阀芯一端分隔进水口和阀腔,采用本发明的汽车空调排水管防水倒灌结构,可防止外部泥水堵住进入排水管,保证空调的正常使用,还具有便于安装、密封性可靠的优点。
Water backflow prevention structure of automobile air conditioner drain pipe
一种汽车空调排水管防水倒灌结构
2025-02-18
Patent
Electronic Resource
Chinese
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F16K VALVES , Ventile |
BACKFLOW PREVENTION STRUCTURE OF VEHICLE SIDE WINDOW DRAIN PORT
European Patent Office | 2016
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