| 摘要 |
PURPOSE: An inner heat expulsion device for a lamp is provided to extend the lifetime of a synthetic rubber plate by strongly supporting the inner side of the synthetic rubber plate consisting of an air discharging cut off part. CONSTITUTION: A case(101) comprises a closure in which a lower part is opened. A lamp is included in the inner part of the closure and emits light. A cover(103) comprises a penetration plate(104) covering up the lower part of the case. An insert is inserted into a mounting hole. An air discharging cut off part is installed in the inner part of an expanding part and secludes external moisture. The air discharging cut off part discharges internal air to outside. A nut is coupled to a screw part and fixes the insert to the mounting hole. |
