Emergency switch, has positioning plate fixed to front cover and comprising closing aperture that is arranged between positioning plate and front cover, and key forming plate comprising end part with tilted surface

摘要

The switch has a front cover (4) including a key hole (421) and a pressure exercising hole (422), where the holes are formed on same side. A pressure plate (5) is placed in a reception space (41) of the front cover. A mobile plate (6) is placed in the reception space below the pressure plate. A positioning plate (7) is fixed to the front cover, and comprises a closing aperture that is arranged between the positioning plate and the front cover. A key forming plate comprises an end part with a tilted surface, which comprises a surface forming platform.