To provide a vehicle body front part structure capable of inhibiting a dash lower panel from being deformed due to rearward movement of a front side frame while inhibiting a vehicle cabin space from being narrowed.SOLUTION: A vehicle body front part structure includes a reinforcement beam 77 which reinforces a dash lower panel 4. The reinforcement beam 77 includes: a vertical wall part 78 having a vertical bone part 79; and a lateral wall part 82 extending from a lower edge of the vertical wall part 78 and having a lateral bone part 84 formed into a groove shape opening to the lower side relative to an opening direction of the vertical bone part 79. The vertical bone part 79 is coupled to an upper wall 12a of a side sill 12 and overlaps with a coupling part between a front side frame and the dash lower panel 4 when viewed from the rear side at the inner side of a coupling part coupled to the side sill 12 in a vehicle width direction. The lateral bone part 84 is coupled to an inner wall 12b of the side sill 12 and overlaps with a coupling part between the front side frame and the dash lower panel 4 when viewed from the rear side at the inner side of a coupling part coupled to the side sill 12 in the vehicle width direction.SELECTED DRAWING: Figure 4

    【課題】車室空間が狭まることを抑制しつつ、フロントサイドフレームの後退によるダッシュロアパネルの変形を抑制できる車体前部構造を提供する。【解決手段】車体前部構造は、ダッシュロアパネル4を補強する補強ビーム77を備える。補強ビーム77は、縦骨部79を有する縦壁部78と、縦壁部78の下縁から張り出し、縦骨部79の開口方向よりも下方に向かって開口する溝形状に形成された横骨部84を有する横壁部82と、を備える。縦骨部79は、サイドシル12の上壁12aに結合するとともに、サイドシル12との結合部よりも車幅方向内方において後方から見てフロントサイドフレームとダッシュロアパネル4との結合部に重なっている。横骨部84は、サイドシル12の内側壁12bに結合するとともに、サイドシル12との結合部よりも車幅方向内方において後方から見てフロントサイドフレームとダッシュロアパネル4との結合部に重なっている。【選択図】図4


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    Title :

    VEHICLE BODY FRONT PART STRUCTURE


    Additional title:

    車体前部構造


    Contributors:

    Publication date :

    2021-03-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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