Composite cylinder lock

The utility model discloses a composite cylinder lock. The composite cylinder lock comprises a lock body and a rotatable lock cylinder arranged in the lock body. The composite cylinder lock is characterized in that the lock cylinder is provided with a key hole and angle cylinders which are arranged above the key hole and matched with a key, and elastic flat balls corresponding to the angle cylinders on the lock cylinder are arranged on the lock body; a plurality of elastic blade cylinders are arranged on one side of the key hole in the lock cylinder, perpendicular to the key hole and matched with the key, an elastic locking side column matched with the blade cylinders is arranged on one side of the key hole, and a clamping groove matched with the locking side column is formed in the lock body. As the mechanical angle cylinders and the blade cylinder and locking side column mechanism for locking the lock cylinder are adopted, the safety performance of the lock is further improved, and the lock is more reliable.