| 摘要 |
PURPOSE: A door lock device is provided to maintain the closed state of a door and to enable the partial opening of the closed door. CONSTITUTION: A door lock device comprises a latching bracket(110), a fixing bracket(210), a rotary body(300), a rotation bar(400), and a locking member(500). The latching bracket is installed on a doorframe(100) and has a circular latching groove(120) and an opening(122). The fixing bracket is coupled to a door(200) and has an inner slide hole and a front circular hole(214). The circular hole is connected to the slide hole. The rotary body has a rotary plate(320) and upper and lower fixing plates(312,314). A hinge plate(420) is formed on one side of the rotation bar, and a rotation rod(430) is formed on the other side thereof. The hinge plate is inserted into the gap between the upper and lower fixing plates. The rotation rod is rotated around a hinge pin(410) and has a knob(440). The protruded end of the locking member is hung on the latching groove of the latching bracket. |
