To provide a vehicle body understructure capable of supporting a belt supporting part without improving the stiffness of a floor cross member more than necessary.SOLUTION: A vehicle body understructure 12 includes a second floor cross member 35, a battery cross member 131, a fastening unit 21B and a passenger seat 32. The battery cross member is joined to the second floor cross member through an inner fastening unit. The passenger seat includes a seat mounting part 53 and a tongue support part 54. The seat mount part is mounted in the vicinity to the inner fastening unit of the second floor cross member. The tongue support part supports a seat belt under a joined state to the seat mounting part.SELECTED DRAWING: Figure 3

    【課題】フロアクロスメンバの剛性を必要以上に高めることなく、ベルト支持部を支持できる車体下部構造を提供する。【解決手段】車体下部構造12は、第2フロアクロスメンバ35と、バッテリクロスメンバ131と、締結ユニット21Bと、パッセンジャシート32を備える。バッテリクロスメンバは、第2フロアクロスメンバに内締結ユニットで連結されている。パッセンジャシートは、シート取付部53と、タング支持部54とを備える。シート取付部は、第2フロアクロスメンバのうち内締結ユニットの近傍に取り付けられている。タング支持部は、シート取付部に連結された状態でシートベルトを支持する。【選択図】図3


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    Title :

    VEHICLE BODY UNDERSTRUCTURE


    Additional title:

    車体下部構造


    Contributors:

    Publication date :

    2018-12-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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