To provide a vehicle body lower part structure in which a battery case is disposed below a floor panel and which protects battery cells from an impact applied from the lower side of a vehicle body.SOLUTION: A vehicle body lower part structure 2 includes: a battery case 10 disposed below a floor panel 3; a protection plate 5 disposed below the battery case 10; and battery stacks 30b, 30c housed in the battery case 10. In each of the battery stacks 30b, 30c, an intermediate plate 35 and battery cells are laminated. One of the bottom plate 13 of the battery case 10 and the protection plate 5 is provided with protrusions 6 protruding to the other. The protrusions 6 are located below the intermediate plates 35. An impact applied from the lower side of the vehicle body through the protrusions 6 is received not by the battery cells but by the intermediate plates 35. Thus, damage of the battery cells is reduced.SELECTED DRAWING: Figure 4

    【課題】フロアパネルの下に電池ケースが配置されている車体下部構造に関し、車体の下側から加わる衝撃から電池セルを保護する。【解決手段】車体下部構造2は、フロアパネル3の下に配置されている電池ケース10と、電池ケース10の下に配置されている保護板5と、電池ケース10に収容されている電池スタック30b、30cを備える。電池スタック30b、30cでは、中間プレート35と複数の電池セルが積層されている。電池ケース10の底板13と保護板5の一方に他方に向けて突出する突起6が設けられている。突起6は、中間プレート35の下に位置している。車体の下から突起6を介して加わる衝撃は電池セルではなく、中間プレート35が受けるので、電池セルのダメージが軽減される。【選択図】図4


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    Title :

    VEHICLE BODY LOWER PART STRUCTURE


    Additional title:

    車体下部構造


    Contributors:

    Publication date :

    2021-09-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B62D MOTOR VEHICLES , Motorfahrzeuge / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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