Patent attributes
The present invention discloses a trailer connector sleeve lock, comprising a lock cover, a lock tongue piece and a lock hole plate, wherein the lock hole plate is rotatably installed on the lock cover and is provided with a lock hole, and the lock hole plate rotates to the lock cover to serve as the side wall of the lock cover, they are spliced together to form a sleeve lock structure, wherein an opening is arranged above the sleeve lock structure, and the opening is smaller than the size of the lock tongue piece, wherein the lock tongue piece is provided with a lock tongue and is clamped in the sleeve lock structure, wherein the lock tongue extends out of the lock hole and is fixed through an additional lock. The advantageous effects of the present invention are that: the lock cover and the lock hole plate are spliced into a sleeve lock structure, and then the lock tongue piece is clamped in the sleeve lock structure, the lock tongue in the lock tongue piece extends out of the lock hole plate, and then the trailer is locked in such a manner that the lock tongue is fixed by the additional lock, and the installation is convenient. The four sides of the lock tongue piece are completely covered by the lock cover, and the lock tongue is inserted into the lock hole plate, so that a thief cannot damage the sleeve lock by cutting the lock tongue. The damage difficulty is high, the time-consuming is long, and the protection effect is good.
