Armored door structure with sound insulation and fire prevention functions
The utility model discloses an armored door structure with sound insulation and fire prevention functions, and aims to provide an armored door which is reasonable in structure, high in door body strength, low in heat conduction system, good in airtight performance, more energy-saving and more enviro...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an armored door structure with sound insulation and fire prevention functions, and aims to provide an armored door which is reasonable in structure, high in door body strength, low in heat conduction system, good in airtight performance, more energy-saving and more environment-friendly, and comprises a door frame, a fire prevention hinge and a door leaf panel hinged with the door frame through the fire prevention hinge, door leaf steel frames are symmetrically fixed to the two sides of the door leaf panel, the door frame comprises door frame steel frames hinged to the door leaf steel frames, the two sides of each door leaf steel frame are concave inwards to form door leaf bridging grooves, door leaf partition strips are detachably embedded in the door leaf bridging grooves, the two sides of each door frame steel frame are concave inwards to form door frame bridging grooves, and the door frame bridging grooves are detachably embedded in the door leaf partition strips. A door frame p |
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