A fire door capable of automatically extinguishing fire
An automatic fire extinguishing and fire door technology, applied in the field of fire doors, can solve the problems of limited fire prevention and disaster reduction effects of fire doors, and achieve the effect of avoiding major fire accidents and reducing indoor temperature.
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[0055] A fire door that can be automatically extinguished as described in the figure includes a door body 1, a fire box 2, a fire box cover 3, and an automatic fire extinguishing device 4. The door body 1 has a fire door that does not pass through the door body 1 at the middle position on the facade. Box installation groove 13, the fire box 2 is installed and fixed in the fire box installation groove 13 by gluing or welding, and the steel spring 24 and the upper connecting shaft sleeve 22 of the box body and the lower connecting shaft sleeve 23 of the box body are welded to the box body twenty one image 3 On the position shown, the automatic fire extinguishing device 4 is welded and fixed with the plane of the case cover supporting plate 34 through the welding hole 43 on the bottom surface of the hanger, and the case cover supporting plate 34 is welded and fixed with the inside of the case cover 31 through the supporting plate elevation welding hole 35. The upper part of the ...
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