Fireproof door convenient to install
A technology for fire doors and thresholds, applied in the field of fire doors, can solve the problems of heavy fire doors, inconvenient installation, poor fire and smoke prevention effects, etc., and achieve the effect of high fire efficiency and easy installation.
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[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0016] The present invention provides such as Figure 1-3 A fire door that is easy to install is shown, including a column 5 and a fire door body 8, the outer surface of the fire door body 8 is rotatably connected to the inner side of the column 5 through a hinge 4, and the outer side of the column 5 is connected by an expansion bolt 1 Fixedly connected to the wall body 9 on the side, the top of the column 5 is closely attached to and pressed against the lower...
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