Anti-falling force bearing lock for aircraft covering cap

The invention provides an anti-falling force bearing lock for an aircraft covering cap. The anti-falling force bearing lock comprises a lower lock body and an upper lock body, the upper lock body penetrates through an interlayer of the covering cap, then extends into the lower lock body and is matched with the lower lock body, the lower lock body comprises a supporting piece and a lock column which are connected with a mouth frame, the supporting piece is an n-shaped supporting piece, the lock column is arranged on the supporting piece, and an inner cavity of the lock column is matched with a bolt thread; and the upper lock body comprises a bolt, a check ring and a gasket, the check ring is clamped on the upper portion of the bolt, the gasket is arranged on the bolt in a sleeving mode, and an inner cavity of the lower portion of the bolt is hollow and provided with threads screwed with an inner cavity of the lock column. The force bearing lock for the aircraft covering cap has the detachable and error-proof e