Air switch locking warning device

The utility model relates to the technical field of electric appliance safety protection, in particular to an air switch locking warning device, which comprises an insulating clamp, an upper protective frame and a lower protective plate, the insulating clamp comprises an upper insulating clamp and a lower insulating clamp, the lower side of the middle part of the upper insulating clamp is hinged with the upper side of the middle part of the lower insulating clamp through a rotating shaft, and a torque spring is mounted on the rotating shaft; the device is reasonable and compact in structure and convenient to use, opening and closing between the upper protection frame and the lower protection plate are controlled through the insulation clamp, the device is just clamped on the outer side of the air switch, warning marks are arranged on the outer side of the right portion of the upper protection frame, for example, red marks such as red marks for'closing forbidding and working by people 'are sprayed, and people