| 摘要 |
PURPOSE: A door hinge is provided to improve productivity by reducing the number of component and improving assembling efficiency and to maintain the airtightness of a door and the opening/closing state of the door excellently without a restraint of an installation space. CONSTITUTION: In the door hinge, a cam unit(132) is formed on the backside of a hinge shaft(130), a housing part(111) and a spring housing part(112) are formed in the upper and lower parts of the inside of a case body(110) to rotate the cam unit(132) and their center is led to a guide hole(113). A slider(140) is installed in the guide hole(113) to make the slider(140) contacted with the cam unit(132) gone up and down. A spring unit(150) is installed in the spring housing part(112) and contacted with the other end of the slider(140) to compress the slider(140) to the cam unit(132).
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