| 摘要 |
PURPOSE: A door hinge is provided to simplify installation/dismantlement and maintenance works for a door and to prevent the damage of a door by the self-weight of a door and the dynamic load added by opening and shutting a door. CONSTITUTION: The door hinge guides the opening and closing motions of a door(2) which opens and shuts a housing(1a) of a box(1) and contains: a hinge body(10) composed of a base(11) provided with a shaft penetrating hole and side walls(12,13) formed on the base to face each other to support sides of the door; a rotary shaft(20) fitted to the shaft penetrating hole of the hinge body(10) to be detachable and attachable and inserted to a shaft inserting hole(1b) formed on the box(1) to guide the rotation of the door(2); and a push unit(31) supporting the rotary shaft(20) not to be separated. A cover housing is formed on a primary side wall of the hinge body(10) and coupled with a cover(30) provided with the push unit(31) to be fastened to the door(2) using a fastener(40), and a push unit inserting groove(2a) is formed on the door(2) to house the push unit(31). |
