Universal key for transformer substation switch cabinet

The invention relates to a universal key for a transformer substation switch cabinet and belongs to the technical field of locks for special purposes. The universal key for the transformer substationswitch cabinet comprises a key body and a handle which are sequentially and movably connected. The handle comprises a connection rod and a hand shank perpendicularly arranged at the tail portion of the connection rod. The tail end of the connection rod is a hexagonal prism. The specification of the hexagonal prism corresponds to that of a hexagonal connector of an electric screwdriver. The front end of the connection is provided with a connector. The tail end of the key body is provided with a connection piece matched with the connector. The connection piece can be inserted into the connectorin a connected manner. The key body is a triangular key or a square key or a hexagonal key corresponding to a switch cabinet door lock. According to the universal key for the transformer substation switch cabinet, a user just