Civil defense door mechanism

The utility model provides a civil air defense door mechanism which comprises a civil air defense door body, a movable doorsill is arranged on one side of the bottom of the civil air defense door body, an embedded part is arranged below the movable doorsill, the embedded part is inserted into a civi...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: CHEN WEI, GUO JING, NIU HUI, DU XILEI, QING YANYING, WEI KEWEI, ZHANG AIXIA
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model provides a civil air defense door mechanism which comprises a civil air defense door body, a movable doorsill is arranged on one side of the bottom of the civil air defense door body, an embedded part is arranged below the movable doorsill, the embedded part is inserted into a civil air defense foundation in a penetrating mode, a plurality of evenly-formed notches are formed in the embedded part, and the notches are used in cooperation with foundation steel bars of the civil air defense foundation. Groove cutting is performed on the vertical plate of the T-shaped embedded part in advance according to the distance between the foundation steel bars, the width of the groove opening is properly larger than the diameter of the foundation steel bars by about 5mm, the distance between the groove openings is consistent with the distance between the foundation steel bars, and the depth of the groove opening is determined according to the vertical position of the embedded part;the steel bar embedded p