APPARATUS FOR LOCKING DOOR

摘要

PURPOSE: A door lock device is provided to improve force transmission efficiency and easily open and close a door by pressing force in a door-opening direction. CONSTITUTION: A door fixed part(2100) is fixed to a door. A knob(2200) is combined in order to linearly move on the door fixing part. A hinge pin(2300) is composed of a link part(2310) and a swing arm(2320). The link part combines one end with the hinge combining part of the knob. The other end is combined with the hinge combining part of the door fixed part. The swing arm is projected towards the door.