The present invention relates to a fire door structure of the joint housing, door panel structure of the joint housing is formed by combining an inner panel and an outer panel, one has one end is at a distance is formed with a hinge portion and a water supply passage, the other one-way In a fire door which is equipped with a handle for opening and closing operation, the flow channels formed inside the same line; Wherein mounted on the upper portion of the outer panel and a plurality of nozzles are mounted on the upper horizontal digestion unit, and the right having a plurality of nozzles are mounted on the right vertical extinguishing unit, the left side provided with a plurality of nozzles a which is composed of a left vertical digested comprising extinguishing means; One end is bonded and the water supply passage and the corresponding outlet pipe is connected to pipe which, on one side to the discharge pipe is connected to the side opposite to the main supply pipe, wherein the main supply pipe is connected to a water pipe or a water storage tank which is located outside and the opposite side upper joint connected to the upper horizontal digestion unit pipe, a right side connections that on one side the connection is connected to the right side opposite to the vertical digest portion to the discharge tube, the left side being the one side is connected to the discharge pipe is connected to the opposite side of the left side to the vertical digestion unit water supply means which is composed of surface connection pipe; The mounted to the moving path of the outer panel, lower portion additional hinge is formed to the rotating operation, the upper portion at a distance to the external emergency doors and front which fixture is equipped with a handle mounting groove is formed on the upper part at a distance a plurality of the pressure the spring is mounted, the lower part an emergency door is configured as an internal emergency door at a distance form the fixed dolgiyi; And leave the flow channel and the spacing of the inner panel is mounted, is rotated by operating the lower direction, inside the lower library is an emergency tool, it is used in case of fire mounted; comprises a.
According to the invention, the door panel structure of the joint housing, while still digest the surrounding water through the fire extinguishing means provided in the case of fire, a fire door can not only escape through the emergency door to the outside is effective to provide a predetermined time evacuation time.