Fireproof smoke-proof armored door

Abstract

The invention provides a fireproof smoke-proof armored door. The armored door comprises a door sheet and a doorframe. One side of the door sheet is hinged with the doorframe; the door sheet comprisesa fireproof door core, a decorative back plate covering the back side of the fireproof door core, and a decorative face plate covering the front side of the fireproof door core; the edges of the backside of the door sheet is covered with a first edge profile which is provided with a first edge covering the position of the fireproof door core on the side face of the door sheet; the first edge is provided with a smoke-proof sealing strip; the smoke-proof sealing strip is provided with an exposed elastic edge; the edge of the front side of the door sheet is covered with a second edge profile which is provided with a second edge covering the position of the fireproof door core on the side face of the door sheet; the second edge is provided with an expanded sealing strip; and a gap is betweenthe first edge and the second edge. The armored door adopts a disconnected type edging design, disconnected thermal insulation effect is realized while the intensity of the door sheet is enhanced, aninstallation gap can be effectively sealed via application of the smoke-proof sealing strip, and flue gas is prevented from invading.

Description

technical field [0001] The invention belongs to the field of fire doors, in particular to a fire and smoke-proof armored door. Background technique [0002] Fire doors refer to doors that can meet the fire resistance stability, integrity and heat insulation within a certain period of time. According to the material, they are divided into wooden fire doors, steel fire doors, steel wood fire doors, etc. [0003] Due to the limited strength of wood, the existing fireproof wooden doors are easy to be impacted and worn, and the anti-theft performance is poor. In order to enhance the strength and anti-theft performance of the door leaf, the door leaf of some fire-resistant wooden doors is coated with steel on the entire surface of the door leaf. In the event of a fire, the internal and external temperature transfers quickly, which will easily cause the temperature of the entire door leaf to rise rapidly, and the heat insulation effect will be poor, which will reduce the fire resi...

AI Technical Summary

Problems solved by technology

[0003] Due to the limited strength of wood in the existing fireproof wooden doors, the corners are easy to be impacted and worn, and the anti-theft performance is poor

In order to enhance the strength and anti-theft performance of the door leaf, the door leaf of some fire-resistant wooden doors is coated with steel on the entire surface of the door leaf. In the event of a fire, the internal and external temperature transfers quickly, which will easily cause the temperature of the entire door leaf to rise rapidly, and the heat insulation effect will be poor, which will reduce the fire resistance of the door leaf.

[0004] In addition, the steel frame is poorly sealed, and it is easy to leak smoke and cause poisoning

However, the fireproof expansion sealing strip assembled on the wood takes time to expand when exposed to heat. At this time, the gap is not sealed in time and some smoke is involved.

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