Civil air defense door with good heat preservation and heat insulation effects

The utility model relates to a civil air defense door with a good heat preservation and insulation effect, which comprises a civil air defense door body, the outer side of the civil air defense door body is fixedly connected with heat preservation cotton, the outer side of the heat preservation cott...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	XIA YUANYI, ZHOU SHIHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES KEYS LADDERS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LOCKS PERFORMING OPERATIONS SAFES TRANSPORTING WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Beschreibung
Zusammenfassung:	The utility model relates to a civil air defense door with a good heat preservation and insulation effect, which comprises a civil air defense door body, the outer side of the civil air defense door body is fixedly connected with heat preservation cotton, the outer side of the heat preservation cotton is fixedly connected with a sound insulation layer, the outer side of the sound insulation layer is fixedly connected with a heat preservation layer, and the outer side of the heat preservation layer is fixedly connected with a reinforcing layer. The outer side of the reinforcing layer is fixedly connected with a fireproof layer, the outer side of the fireproof layer is fixedly connected with a damp-proof layer, the outer side of the damp-proof layer is fixedly connected with a heat insulation layer, the outer side of the heat insulation layer is fixedly connected with a flame-retardant layer, the outer side of the flame-retardant layer is movably connected with a protection box, and the inner side of the protec