Change-over switch structure of generator set

The utility model discloses a change-over switch structure of a generator set, which relates to the technical field of change-over switches of generator sets, and comprises a frame body, a gas pipe male joint is fixedly connected in the frame body, a gas pipe female joint is sleeved at the top of the gas pipe male joint, a microswitch is fixedly connected at the top of the frame body, and the microswitch is sleeved at the top of the frame body. A microswitch is arranged in the gas pipe male connector, an elastic contact piece is in lap joint in the microswitch, a pressing disc is arranged on the gas pipe male connector in a sleeved mode, a sliding opening for the gas pipe male connector to penetrate through is formed in the pressing disc in a penetrating mode, and the bottom of the pressing disc is fixedly connected with the elastic contact piece. The driven gear and the driving gear are in transmission and drive the internal threaded pipe to rotate, the threaded rod is screwed out of the internal threaded pi