Vacuum circuit breaker convenient to install

The utility model discloses a vacuum circuit breaker convenient to install, and relates to the technical field of vacuum circuit breakers. The vacuum circuit breaker convenient to install comprises a bottom plate, the top end of the bottom plate is rotatably connected with a connecting seat, the top end of the connecting seat is provided with a circuit breaker, the top end of the bottom plate is rotatably connected with a round sleeve, the inner wall of the bottom end of the round sleeve is elastically connected with a sliding rod through a reset spring, and the outer wall of the sliding rod is fixedly connected with a clamping block. A supporting frame is spliced to the bottom end of the bottom plate, a clamping groove is formed in the inner wall of the supporting frame, a rotating disc is fixedly connected to the bottom end of the connecting base, a disc is elastically connected to the inner wall of the right end of the bottom plate through a movable spring, and a limiting pipe penetrates through the middle