Patent ID: 7181940

Claim:
A door lock transmission mechanism provided on a first surface of a door, for driving a door lock provided on a second surface of the door opposite to the first surface, the door lock transmission mechanism comprising: a lock casing unit provided on the first surface of the door; an actuation mechanism, which comprises an actuation member provided outside the lock casing unit and having an actuation portion thereof inserted into the lock casing unit, a swivel table provided inside the lock casing unit and driven by the actuation portion, and a traction member partially covering the swivel table and driven by the swivel table, wherein the traction member comprises a traction portion having substantially a hook shape and extended from a side of the traction member, a depression disposed on a side of the traction member opposite to the side the traction portion, and two extension portions provided on the side of the traction member having the traction portion and extended upwardly and perpendicularly to the side of the traction member; and a locking mechanism, which comprises a core unit provided on a side of the traction member relatively away from the swivel table and comprising a swivel block and a locking seat for retractably catching the swivel block, a locking plate connected to a side of the core unit relatively away from the traction member by an elastic member, a lock barrel driving plate provided on a side of the locking plate relatively away from the core unit and for pushing the locking plate, and a lock barrel inserted into the lock casing unit and for driving the lock barrel driving plate to move away from the side of the locking plate, wherein the swivel block is caught by the locking scat so as to release the door lock when the locking mechanism is unlocked, and when the locking mechanism is locked, the swivel block is free of being caught by the locking seat, and the locking seat is free to rotate, such that the actuation member is pressed down by force and keeps a locking state of the door lock.