Quick-assembly sealing structure for low-temperature connector of liquid rocket

The utility model provides a quick-assembly sealing structure for a low-temperature connector of a liquid rocket. According to the quick-mounting sealing structure, a plurality of spring plug sealing rings are independently arranged at the butt joint end of a ground pipeline and a connector flange, the ground pipeline is provided with a first wedge-shaped plate which is arranged in an outward protruding mode along the outer wall of the ground pipeline, and the connector flange is provided with a second wedge-shaped plate which is arranged in an outward protruding mode along the outer wall of the connector flange. The first wedge-shaped plate and the second wedge-shaped plate are tightly sleeved and fixed at the same time through the hoop with the inner groove, axial limiting of the connector and a ground pipeline is achieved, then reliable sealing of the butt joint end is guaranteed, the installation convenience, the installation efficiency and the sealing effect of the connector flange and the ground pipelin