Multifunctional fire-fighting box suitable for tunnel

The invention relates to a multifunctional fire-fighting box suitable for a tunnel, and belongs to the technical field of fire-fighting equipment, the multifunctional fire-fighting box comprises an equipment box body, the equipment box body is detachably connected with a telescopic control connecting assembly, and the equipment box body can be separated from a mounting space in a tunnel wall body, so that the equipment box body can be flexibly transferred; the fire extinguisher, the foam water spray valve group, the fire hydrant, the water hose water gun, the fire hose reel, the alarm button and the fire-fighting module box are scientifically and reasonably arranged in the same box body in accordance with fire-fighting specifications, and the fire extinguishers are arranged in an upper layer and a lower layer, so that the arrangement requirements of a large number of fire extinguishers or different types of fire extinguishers can be met; according to the multifunctional rotary sealing assembly, on one hand, o