Spaceflight interface component

The utility model relates to the technical field of spaceflight component structure design, in particular to a spaceflight interface component which comprises a skin. The first boss is arranged on the skin; the plurality of second bosses are arranged on the skin; the reinforcing ribs are arranged on the skin, and the first boss and the second bosses are connected through the reinforcing ribs; the reinforcing ribs are connected in a crossed mode. First round corners are arranged at the joints of the reinforcing ribs and the skin, the joints of the first bosses and the skin and the joints of the second bosses and the skin; the skin, the first boss, the plurality of second bosses and the plurality of reinforcing ribs are all made of carbon fiber composite materials; the spaceflight interface component is manufactured through the cooperation of the first fillet structure design and the carbon fiber composite material, and the continuity of fibers of the spaceflight interface component is guaranteed; the machining