Operating mechanism of circuit breaker

The utility model relates to the technical field of circuit breakers, in particular to an operating mechanism of a circuit breaker, which comprises a mounting plate, a handle seat is arranged at the center of an inner cavity of the mounting plate, a connecting rod is arranged in the handle seat and rotatably connected with the handle seat, one end of the connecting rod is fixedly connected with a driving rod, and the other end of the connecting rod is fixedly connected with a connecting rod. The other end of the connecting rod is fixedly connected with a handle rod, one end, far away from the connecting rod, of the handle rod is provided with a movable rod, two sides of the mounting plate are fixedly connected with positioning blocks, and the movable rod is fixedly connected with the positioning blocks; the positioning block is arranged, one end of the handle rod is rotationally connected with the movable rod, after the handle rod is rotated, the rotating rod can be turned inwards, the inserting block at the