Overvoltage self-protection rectifier bridge module for generator

The utility model discloses an overvoltage self-protection rectifier bridge module for a generator, which comprises a bottom plate, a protection shell is fixedly connected above the bottom plate, a plurality of diodes are inserted in the protection shell, and the bottom ends of the diodes are fixedly connected with a connection gap bridge; fixing through holes are formed in the middles of the two ends of the bottom plate, arc-shaped protruding blocks are inserted into the fixing through holes, and fixing plates are fixedly connected to the bottom ends of the arc-shaped protruding blocks. By means of the structure, the bottom plate, the fixing through holes, the bolts and the arc-shaped protruding blocks are arranged, when installation is needed, the fixing through holes in the two ends of the bottom plate are connected to the outer portions of the arc-shaped protruding blocks in an inserted mode, then the bolts are in threaded fit with the threaded openings, threaded fastening is achieved, the bottom plate is