To suppress vibration of a floor tunnel so as not to generate abnormal noise in a vehicle when a load is input to the vehicle, by reinforcement for increasing the rigidity of the floor tunnel.SOLUTION: A tunnel reinforcement structure 10 includes: a floor cross member 15a by which a floor tunnel 13 in which an exhaust pipe is disposed in a tunnel that is open to an outdoor side of a vehicle, and a side sill 12a on both sides of the vehicle are connected to extend in a vehicle-width direction; a seat bracket (for example, a seat bracket 16c) disposed in front/rear of the cross member 15a in a vehicle longitudinal direction and joined to the floor tunnel 13; and a first tunnel reinforcement member 17 disposed side by side with the cross member 15a in the vehicle width direction in the tunnel.SELECTED DRAWING: Figure 2

    【課題】フロアトンネルの剛性を高くする補強によって、車両への荷重入力時に、車内に異音が発生しない様にフロアトンネルの振動を抑制すること。【解決手段】トンネル補強構造10は、車両の室外側に開口するトンネル内に排気管が配設されるフロアトンネル13と車両両側のサイドシル12aとを車幅方向に延在して連結するフロアクロスメンバ15aと、クロスメンバ15aの車両前後方向の前後に配置され、フロアトンネル13に接合されるシートブラケット(例えばシートブラケット16c)と、トンネル内に、クロスメンバ15aと車幅方向に並んで設けられる第1トンネル補強部材17とを備える構成とする。【選択図】図2


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    Titel :

    TUNNEL REINFORCEMENT STRUCTURE


    Weitere Titelangaben:

    トンネル補強構造


    Beteiligte:
    MURAMATSU YUKI (Autor:in) / FUJISAWA KOTA (Autor:in) / YOSHIOKA SHUMA (Autor:in)

    Erscheinungsdatum :

    2023-10-13


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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