To provide a cover attaching structure of an air duct in which a cover is easily detachable and manufacturing man-hours are reduced.SOLUTION: A attaching structure of a cover 3 is to close an opening 2 formed in a duct wall 1 of an air duct. The cover 3 is detachably attached to the duct wall 1 by a bolt 5 and a nut 6 via multiple duct side bolt holes 11 formed around the opening 2 and via multiple cover side bolt holes 13 formed around the cover 3. The hole diameters of the duct side bolt hole 11 and of the cover side bolt hole 13 are larger than the outer diameter of the bolt 5, and a stopper 10 is attached to the duct wall 1 to prevent the cover 3 from slipping down. The stopper 10 is attached to the duct wall 1 with the spacing of slipping-down allowable dimension between the cover 3 at a normal attaching position and the stopper 10, and the slipping-down allowable dimension is smaller than a radial interval between the shaft part 5a of the bolt 5 and the cover side bolt hole 13. The insertion of the bolt 5 is carried out with no trouble.SELECTED DRAWING: Figure 1

    【課題】カバー着脱が容易で製作工数が少なくてすむ通風ダクトのカバー取付構造を提供する。【解決手段】通風ダクトのダクト壁1に形成された開口部2を塞ぐためのカバー3の取付構造であって、開口部2の周辺部に形成された複数のダクト側ボルト孔11とカバー3の周縁部に形成された複数のカバー側ボルト孔13を介してボルト5とナット6によりカバー3がダクト壁1に着脱自在に取付けられており、ダクト側ボルト孔11およびカバー側ボルト孔13の孔径はボルト5の外径より大きく、ダクト壁1には、カバー3のズリ落ちを防止するストッパー10が取付けられている。ストッパー10は、正規取付位置におけるカバー3とストッパー10との間のズリ落ち許容寸法をあけてダクト壁1に取付けられており、ズリ落ち許容寸法が、ボルト5の軸部5aとカバー側ボルト孔13との間の半径方向間隔よりも小さい。ボルト5の挿通が支障なく行える。【選択図】図1


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    Titel :

    COVER ATTACHING STRUCTURE OF AIR DUCT


    Weitere Titelangaben:

    通風ダクトのカバー取付構造


    Beteiligte:

    Erscheinungsdatum :

    03.07.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F24F Klimatisierung , AIR-CONDITIONING / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS



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