Operating mechanism of miniature circuit breaker capable of realizing multi-control input and multi output

The utility model relates to an operating mechanism of a miniature circuit breaker. A handle, a first connecting rod, a second connecting rod, and a third connecting rod of a mechanism body are hinged together through a first hinge shaft, a second hinge shaft and a third hinge shaft, the handle, a lock catch, a jumping buckler and the third connecting rod are respectively arranged on a first fixing plate and a second fixing plate through a first rotating shaft, a second rotating shaft, a third rotating shaft and a fourth rotating shaft in a pivoting way, the auxiliary contact of an auxiliary contact device is propped against and is arranged on the fourth rotating shaft in a pivoting way, the indication piece of a display output device is arranged on the second rotating shaft in the pivoting way, a tripping rod is arranged on the first fixing plate, the fourth rotating shaft is arranged on one side of a touched surface of the tripping rod, which is closes to the tripping rod, and the second rotating shaft is arranged on one side of the handle, which is close to the stretching direction of the handle. The operating mechanism of the utility model not only can selectively access to an input device and an output device, but also has the optimized design of the structure layout, which can enable the structure of the product to be more compact and rational, the size to be small and the operating performance to be good. The utility model is convenient for assembly and debugging and large-scale production.