EMERGENCY EXIT DOOR WITH OPENING FORCE SECURING APPARATUS AND OVERPRESSURE EXHAUST DAMPER SYSTEM HAVING THE SAME

摘要

An opening force securing device capable of securing a predetermined opening force to easily open the evacuation door of the evacuation room which is pressurized when the evacuator evacuates from the room to the evacuation room in the event of a fire in a high- An evacuation door and an air supply pressurizing system with the evacuation door are provided. An evacuation door with an opening force securing device is an evacuation door installed between the indoor and the evacuation room of each floor of a high-rise building equipped with a supply air pressure system. In order to evacuate from the indoor side to the evacuation room, A door handle for opening; An interlocking device installed inside the evacuation door to be horizontally moved or rotated in conjunction with the door handle; A jig connected to the interlocking device and transmitting a force corresponding to horizontal movement or rotation of the interlocking device; And a gap that serves as a passage through which the air supply pressurized air in the evacuation room leaks to the indoor side is formed and the evacuation door is rotated by the jig to secure a predetermined opening force, And an opening force securing device for relieving the pressure of the evacuation room.