Labor-saving mechanism

The utility model discloses a laborsaving mechanism, which relates to the technical field of switch cabinet accessories and comprises a back plate, a gear box is assembled on the back plate, a speed reducing mechanism is arranged in the gear box, the laborsaving mechanism further comprises a screw rod and a link rod, the screw rod is inserted and assembled in the speed reducing mechanism and located on one side of the gear box, and the link rod is connected with the gear box. One end of the screw rod is provided with a gear box, the other end of the screw rod is provided with an indicating dial, the link rod is arranged on the other side of the gear box and is inserted into the speed reducing mechanism, a sleeve for realizing synchronous rotation is arranged between the link rod and the speed reducing mechanism, the tail part of the link rod is provided with a rotating plate, and the screw rod is inserted into the speed reducing mechanism through a plurality of gears arranged in the speed reducing mechanism.