The invention relates to a spark protection cap, a fastening system, a fastening method and an aircraft. In one aspect, there is provided a spark shield cap for forming a sealed cavity around an end of a fastener protruding from a structure, the cap comprising: a cap body defining an air cavity, the cap body being arranged to enclose the end of the fastener, and the cap comprising an annular base terminating at a base edge, the base edge surrounds an opening leading to the air cavity; and an annular skirt to provide an annular sealing volume extending around the base edge, the annular sealing volume being arranged to receive an annular bead of curable sealing material around the opening to the cavity to provide a seal between the cap body and the structure to seal a volume of gas within the cavity. The cap also includes a fastener engagement portion that engages the threaded portion of the fastener to secure the cap to the fastener.

    本发明涉及火花防护帽、紧固系统、紧固方法和飞行器。在一方面,提供了一种火花防护帽,该火花防护帽用于围绕从结构件突出的紧固件的端部形成密封腔,该帽包括:限定空气腔的帽本体,帽本体布置成封围紧固件的端部,并且该帽包括终止于基部边缘的环形基部,该基部边缘围绕通向空气腔的开口;以及环形裙状部,该环形裙状部用以提供绕基部边缘延伸的环形密封容积部,该环形密封容积部布置成在通向腔的开口周围接纳可固化密封材料的环形凸沿,以在帽本体与结构件之间提供密封以对腔内的一定体积的气体进行密封。帽还包括紧固件接合部分,该紧固件接合部分与紧固件的螺纹部分接合以便将帽紧固至紧固件。


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    Title :

    Spark protection cap, fastening system, fastening method and aircraft


    Additional title:

    火花防护帽、紧固系统、紧固方法和飞行器


    Contributors:

    Publication date :

    2022-03-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile



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