The invention provides a two-way ventilation valve device and an aviation aircraft oil tank, and relates to the technical field of aviation aircraft oil tank ventilation, the two-way ventilation valve device comprises a valve body, a valve cavity is formed in the valve body, a limiting part protruding inwards is arranged in the middle of the valve cavity, and a first air channel and a second air channel are formed in the outer wall of the valve cavity; a mounting part is arranged at one end of the valve body; the first valve element and the second valve element are movably arranged in the valve cavity and located on the two sides of the limiting part respectively, and a third air channel and a fourth air channel are formed in the first valve element and the second valve element respectively; the first elastic component and the second elastic component are arranged between the first valve element and the limiting part and between the second valve element and the limiting part respectively; the problem that in the prior art, internal and external air pressure balance adjustment of an aviation aircraft oil tank is difficult to achieve through a high-reliability and compact-structure mechanical structure is solved.
本发明提供一种双向通气活门装置及航空飞行器油箱,涉及航空飞行器油箱通气技术领域,包括:阀体,所述阀体内部设置有阀腔,所述阀腔的中部设置有向内凸起的限位部,所述阀腔的外壁内部设置有第一气道和第二气道,所述阀体的一端设置有安装部;第一阀芯和第二阀芯,活动设置在所述阀腔内并分别处于所述限位部的两侧,所述第一阀芯和所述第二阀芯内部分别开设有第三气道和第四气道;第一弹性部件和第二弹性部件,分别设置在所述第一阀芯与所述限位部之间和所述第二阀芯与所述限位部之间;解决现有技术中航空飞行器油箱难以通过可靠性高、结构紧凑的机械结构实现航空飞行器油箱内外气压平衡调节的问题。
Bidirectional ventilation valve device and aviation aircraft oil tank
一种双向通气活门装置及航空飞行器油箱
2023-03-31
Patent
Elektronische Ressource
Chinesisch