Vehicle body floor structure

A vehicle body floor structure comprising:

• front side frames that are placed along a fore-and-aft direction of a vehicle on both side portions of an engine room;
• side sills that are arranged along the fore-and-aft direction on both side portions of a vehicle cabin;
• center frames that are placed along the fore-and-aft direction in a center portion in a vehicle lateral direction of the vehicle cabin;
• and
• connecting components that connect together rear end portions of the front side frames, front end portions of the side sills, and a front end portion of the center frames, wherein
• the connecting components include:
• outriggers that extend diagonally rearwards toward outside of the vehicle lateral direction and that is connected to the front end portions of the side sills, and center frame extensions that extend diagonally rearwards toward inside of the vehicle lateral direction and that are connected to the front end portion of the center frames, and
• a floor panel is placed extending over the side sills and the center frames, and a front cross member that extends in the lateral direction is provided on a top surface of the floor panel, and
• stiffeners that extend as far as a rear of the front cross member and that have a U-shaped concave portion that is open at a top thereof when viewed in a cross-section of the vehicle are joined to a bottom surface on both side portions of the floor panel, and
• beads that have a U-shaped concave portion when viewed in a cross-section of the vehicle are provided at a rear portion of the floor panel, the beads include a cross-sectional shape that matches the cross-sectional shape of the stiffener and the beads are aligned with the concave portion of the stiffeners and are provided continuously with the stiffeners,
• an inclined portion that is connected to the rear end portion of the stiffener and that drops downwards from the front to the rear is formed at the front end portion of the bead.