Tubular lock directly acutatable by a key

摘要

A tubular lock can be directly actuated and unlocked by a key and comprises an inner lock assembly mounted to an inner side of a door and an outer lock assembly mounted to an outer side of the door. The inner lock assembly comprises an inner handle for turning a driving wheel of a latch assembly to thereby retract a latch bolt. The outer lock assembly comprises a lock and an actuating member operably connected between a drive member and a lock core of the lock. The driving wheel can be driven by an actuating tube of the drive member to thereby retract the latch bolt.