The invention relates to an aircraft integral fuel tank cap sealing structure, belongs to the technical field of aircraft design, and can effectively improve the success rate and prolong the service life of aircraft integral fuel tank cap sealing. The structure comprises an oil tank opening cover, an oil tank opening frame, a sealing assembly and a fastening assembly. The sealing assembly is arranged between the opening cover and the opening frame, and the sealing assembly, the opening cover and the opening frame are in sealed fastening connection through the fastening assembly; the sealing assembly comprises a sealing rubber pad and a sealing rubber strip; the sealing rubber mat is of an annular structure with a certain width, the sealing rubber strip is of an O-shaped structure arranged below the sealing rubber mat, and the sealing rubber mat and the sealing rubber strip are integrally connected. An O-shaped sealing groove is formed in the opening frame, and the sealing rubber strip is embedded in the sealing groove; fastening holes are formed in the opening cover, the sealing rubber mat and the opening frame in a one-to-one correspondence mode, and the fastening assemblies are connected in a sealed and fastened mode through the fastening holes. The fastening holes are located in the inner sides of the sealing rubber strips and the sealing grooves.

    本发明涉及一种飞机整体油箱口盖密封结构,属于飞行器设计技术领域,能够有效提高飞机整体油箱口盖密封的成功率和使用寿命;该结构包括油箱口盖、油箱口框、密封组件和紧固组件;密封组件设置在口盖和口框之间,且通过紧固组件实现三者之间的密封紧固连接;密封组件包括密封胶垫和密封胶条;密封胶垫为具有一定宽度的环状结构,密封胶条为设置在密封胶垫下方的O型结构,密封胶垫和密封胶条一体式连接;口框上设有O型的密封槽,密封胶条嵌设在密封槽内;口盖、密封胶垫和口框上一一对应设置有紧固孔,紧固组件通过紧固孔实现密封紧固连接;紧固孔位于密封胶条和密封槽的内侧。


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    Title :

    Overall fuel tank cap sealing structure of airplane


    Additional title:

    一种飞机整体油箱口盖密封结构


    Contributors:
    LIU TENGDA (author) / HE HUI (author) / GAO GUAN (author) / ZHANG SIFEI (author) / ZENG PENG (author)

    Publication date :

    2023-01-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16J Kolben , PISTONS / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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