LNG (Liquefied Natural Gas) filling pipe joint for truck

The embodiment of the utility model discloses an LNG (Liquefied Natural Gas) filling pipe joint for a truck, which can meet the long-time filling requirement of LNG and is convenient for filling the truck with the LNG. The pipe comprises a pipe body, a first movable assembly, a second movable assembly and a connecting lantern ring. The connecting lantern ring is installed on the pipe body, the first movable assembly is movably installed above the pipe body, the second movable assembly is movably installed below the pipe body, a first opening and a second opening are formed in the pipe body, the first movable assembly comprises a first rotating part, a first fixing plate and a first blocking plate, and the first rotating part is connected with the first fixing plate. The second movable assembly comprises a second rotating piece, a second fixing plate and a second blocking plate, the first fixing plate is connected with the first blocking plate through a supporting piece, and the first rotating piece is connect