| 摘要 |
PURPOSE: To enhance safety and reduce costs by preventing the opening of a door due to the internal pressure of a switch gear main body which is increased with the generation of accidents. CONSTITUTION: This device is provided with a switch gear main body 1 having an opening part 2 in the front, a door 7 supported by a shaft in one side edge part of the opening part 2 and openably blocking the opening part 2, a locking part 19 projected backward in the other side edge of the opening part 2, a rotating shaft 9 rotatably provided in the door 7, a handle 10 fixed in the front end of the rotating shaft 9, an arm 23 in which the base part is fixed in the rear end part of the rotating shaft 9 and the tip part is separably brought into sliding contact with a locking body 19 by the rotation of the handle 10 and a locking piece 27 projected forward in the tip of the arm 23 and locked to the locking body 19. |
