To make it possible to inhibit a vibration of a propeller shaft from propagating into a vehicle compartment.SOLUTION: In a vehicle body substructure, a semicircular notch 21h is formed in a lower part of an under-floor cross member 20, and a propeller shaft is fitted in the semicircular notch 21h. A bracket 45 that supports the propeller shaft and traverses the semicircular notch 21h is disposed below the semicircular notch 21h. The under-floor cross member 20 has bracket joint parts 21d, to which the bracket 45 is joined, on both sides of the semicircular notch 21h. Inside reinforcement members 32 and 33 that extend in a vehicular vertical direction between the upper and lower parts of the under-floor cross member 20 are located at positions coinciding with the bracket joint parts 21h.SELECTED DRAWING: Figure 6

    【課題】プロペラシャフトの振動等が車両室内に伝搬することを抑制できるようにする。【解決手段】車体下部構造において、フロア下クロスメンバ20の下部には、半円状切欠き21hが設けられ、半円状切欠き21h内には、プロペラシャフトが配置される。半円状切欠き21hの下方側には、プロペラシャフトを支持し、半円状切欠き21hを横断しているブラケット45が設けられている。半円状切欠き21hの両側部に位置するフロア下クロスメンバ20には、ブラケット45が接合されるブラケット接合部21dが設けられ、ブラケット接合部21hに対応する位置に、フロア下クロスメンバ20の上部と下部との間を車両上下方向に延びる内側補強部材32,33が設けられている。【選択図】図6


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    Title :

    VEHICLE BODY SUBSTRUCTURE


    Additional title:

    車体下部構造


    Contributors:

    Publication date :

    2021-03-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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