STRUCTURE FOR FIREPROOF DOOR AND FLAME

摘要

A structure for a fireproof door and a doorframe is provided to minimize a spread of a flame by extending a transmission time of a heat to the fireproof door opposite to the flame, and to minimize firing and damage of a decoration member attached to the fireproof door by the flame. The structure for a fireproof door and a doorframe includes an air path formed on an inside part and an outside part more than one surface of the doorframe for a ventilation of air. The doorframe includes a sheet inside plate formed to mount the fireproof door and a decoration part, a sheet reinforcing plate for supporting and reinforcing the sheet inside plate, an inner wall support plate bent to form a flow of the air path while maintaining a regular interval with the sheet reinforcing plate, and an inside and outside reinforcing plate connecting the sheet inside plate and the inner wall support plate, and having plural vents formed on a bending part for a flow of air.