Bridge penetrating plugging structure for passive building

A bridge penetrating plugging structure for a passive building comprises a floor slab, the floor slab is provided with a penetrating hole, a bridge penetrates through the penetrating hole, and a cable is arranged in the bridge; sealing rubber and plastic plates cover ports in the two ends of the penetrating hole, external fireproof plates cover the sealing rubber and plastic plates, and the left end and the right end of each external fireproof plate are connected with the floor through fastening bolts so that the edges of the sealing rubber and plastic plates can be pressed and fixed to the surface of the floor; the bridge frame penetrates through a sealing hole formed in the sealing rubber and plastic plate, and the sealing hole surrounds the bridge frame through elasticity of the sealing hole. And an annular gap between the through hole and the bridge frame is filled with a fireproof bag. According to the embodiment of the utility model, the hole is blocked through the fireproof plate and the sealing rubber