Structure suitable for preventing air blockage of lubricating oil system of aero-engine for missile

The structure comprises a lubricating oil tank 1, air 2, lubricating oil 3, a lubricating oil pump oil supply stage 4, a lubricating oil pipeline 5, an anti-siphon one-way valve 6, an air guide pipe 7 and an adjustable pressure one-way valve 8, the lubricating oil tank 1 is of a tank body structure and is filled with the lubricating oil 3, the air 2 is arranged on the upper portion of the lubricating oil 3 in the lubricating oil tank 1, and the air guide pipe 7 is arranged on the lower portion of the lubricating oil 3 in the lubricating oil tank 1. An oil outlet is formed in the bottom of the lubricating oil tank 1 and is communicated with the lubricating oil pipeline 5; the lubricating oil pipeline 5 is sequentially provided with an adjustable pressure one-way valve 8, a lubricating oil pump oil supply stage 4 and an anti-siphon one-way valve 6 in the direction of the lubricating oil tank 1. 本发明提供一种适用于预防弹用航空发动机滑油系统气塞的结构，包括：滑油箱1、空气2、滑油3、滑油泵供油级4、滑油管路5、防虹吸单向活门6、引气管7和可调压力单向活门8，其中，滑油箱1为箱体结构，滑油箱1的内部填充有滑油3，滑油箱1内滑油3