To provide a lower part vehicle body structure of a vehicle capable of supporting seat rails in a more stable manner.SOLUTION: A lower part vehicle body structure of a vehicle is provided with: a tunnel reinforcement member 5 extending between both end parts as seen in a vehicle width direction of a tunnel part 3A below the tunnel part 3A; seat rail support members 43 provided above a floor part 130 and each having a seat rail attachment part 141 to which a seat rail 6 is attached; and connection members 60, each of which extends in a vertical direction and connects the floor part 130 with the seat rail attachment part 141. The floor part 130 is provided with first fixing parts 131 to which the connection members 60 are respectively fixed. The first fixing part 131 has a shape expanding to one side in the vertical direction.SELECTED DRAWING: Figure 5
【課題】シートレールをより安定して支持することのできる車両の下部車体構造を提供する。【解決手段】トンネル部3Aの下方において当該トンネル部3Aの車幅方向の両端部間にわたって延びるトンネル補強部材5と、フロア部130の上方に設けられてシートレール6が取付けられるシートレール取付部141を有するシートレール支持部材43と、上下方向に延びて、フロア部130とシートレール取付部143とを連結する連結部材60とを設ける。フロア部130に、連結部材60が固定される第1固定部131を設けて、この第1固定部131を上下方向の一方側に膨出する形状とする。【選択図】図5
LOWER PART VEHICLE BODY STRUCTURE OF VEHICLE
車両の下部車体構造
2021-04-15
Patent
Electronic Resource
Japanese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |