According to the fuel tank oil drainage device and the aircraft, a shell and a valve in the device are provided with clamping structures matched with each other, and when the valve is rotated leftwards, the valve can be ejected out downwards under the acting force of an elastic piece; the shell and the pressing sleeve are pressed tightly and fixed to the oil tank wall, and the sealing ring is arranged between the shell and the oil tank wall and used for sealing the shell and the oil tank wall. The gasket is arranged between the pressing sleeve and the oil tank wall and used for sealing the pressing sleeve and the oil tank wall, and the upper portion of the pressing sleeve is locked through the fixing piece. The elastic piece is located on the inner side of the valve, one end of the elastic piece abuts against the inner side end face of the valve, and a base is arranged at the other end of the elastic piece and fixed to the shell. An upper sealing ring and a lower sealing ring are arranged at the contact position of the outer side of the valve and the shell, the upper sealing ring is located above the lower sealing ring, and the lower sealing ring is used for sealing the shell and the valve when the valve is in a natural position; the upper sealing ring is used for sealing the shell and the valve when the valve is in the maintenance position; fuel oil in the fuel tank does not need to be completely discharged during maintenance, and the current rapid maintenance requirement can be met.
本发明提供一种燃油箱放油装置及飞行器,该装置中壳体和活门设有相配合的卡接结构,当向左旋转活门时,活门受到弹性件作用力会被向下顶出;壳体与压套压紧,固定在油箱壁上,密封圈设在壳体与油箱壁之间,用于壳体与油箱壁的密封;垫圈设在压套与油箱壁之间,用于压套与油箱壁之间密封,压套上方用固定件锁定;弹性件位于活门内侧,且弹性件一端抵在活门内侧端面,另一端设有底座,底座固定在壳体上;活门外侧与壳体接触位置设有上密封圈和下密封圈,上密封圈位于下密封圈的上方,下密封圈用于活门在自然位时壳体与活门的密封;上密封圈用于活门在维护位时壳体与活门的密封;维护时无需将燃油箱内燃油全部放出,可满足当前快速维护的需求。
Fuel tank oil drainage device and aircraft
一种燃油箱放油装置及飞行器
17.01.2025
Patent
Elektronische Ressource
Chinesisch
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