| 摘要 |
A hinge for a door is provided to regulate the opening angle of the door by regulating the rotating range using a rotating angle regulating portion and to absorb the shock caused by opening the door using the elasticity of an elastic member. A hinge for a door comprises a primary hinge rotating body(10) fastened to a doorframe and provided with a primary hinge portion(12) having an anti-rotating key(11), a secondary hinge rotating body(20) fastened to the door to be rotated against the primary hinge rotating body and provided with a secondary hinge portion(22) extending to the top correspondingly to the primary hinge portion of the primary hinge rotating body and having plural minute angle regulating grooves(21), a hinge shaft(30) inserted from the bottom of the primary hinge portion of the primary hinge rotating body to penetrate the top of the secondary hinge portion of the secondary hinge rotating body and provided with a protrusion(31), a rotating angle regulating portion(40) installed to the upper side of the hinge shaft to regulate the opening angle of the door and provided with a protrusion(41) placed on the protrusion of the hinge shaft and plural minute angle regulating projections(42) fitted to the minute angle regulating grooves of the secondary hinge portion, a nut(50) fastened to the top of the hinge shaft inserted to the primary hinge portion, the secondary hinge portion and the rotating angle regulating portion, an elastic member(60) installed to the bottom of the hinge shaft and inserted to the primary hinge portion to absorb shock when the door is opened, a cover(70) put on the top of the hinge shaft to improve appearance and a ring(80) installed between the primary hinge portion of the primary hinge rotating body and the secondary hinge portion of the secondary hinge rotating body. |
