Module combination fixing structure

The utility model relates to the technical field of new energy automobiles, and provides a module combination fixing structure which comprises a box body and splice plates, the splice plates are fixed to the two ends of the box body, and connecting structures are arranged at the corner positions of the sides, away from the box body, of the splice plates. The connecting structure comprises a first spring bolt sliding groove, a second spring bolt sliding groove, a second spring bolt block, a second spring bolt fixing groove, a first spring bolt fixing groove, a first spring bolt block, a magnet block, a module magnet mounting hole and a spring bolt magnet mounting hole, and the first spring bolt sliding groove is formed in the corner position of one side of the bottom of the splice plate. By arranging the fixing structure, the box bodies are arranged in parallel up and down, the fixing sliding grooves are moved into the sliding pins, then the bolts penetrate through the connecting holes and the preformed holes,