To improve sealability in a portion that is hard to be welded in a connection portion of a frame.SOLUTION: In a floor part structure, an end surface of a cross frame 33 is connected to a side surface 302 of a front and rear frame 30 in a floor part of a vehicle. The front and rear frame 30 includes a floor flange part 305 in an upper end of the side surface 302. The cross frame 33 includes a vertical wall part 331 extending in a vehicle width direction and a ceiling part 332 coupled to an upper end of the vertical wall part 331. An end surface of the vertical wall part 331 of the cross frame 33 is provided with an inner flange part 335 projecting along an end surface of the ceiling part 332 and connecting the ceiling part 332 and the vertical wall part 331, and an outer flange part 333 extending vertically in a lower side of the inner flange part 335. The outer flange part 333 and the inner flange part 335 are joined to the side surface 302 of the front and rear frame 30 in a lower side of the floor flange part 305.SELECTED DRAWING: Figure 5

    【課題】フレームの接続部における溶接困難箇所のシール性を向上させる。【解決手段】車両の床部において前後フレーム30の側面302に対して交差フレーム33の端面が接続される床部構造であって、前後フレーム30は、その側面302の上端に床フランジ部305を備えており、交差フレーム33は、車幅方向に延びる縦壁部331と、その縦壁部331の上端に連結された天井部332とを備えて、交差フレーム33の縦壁部331の端面には、天井部332の端面に沿って突出し、天井部332と縦壁部331とをつなぐ内フランジ部335と、その内フランジ部335の下側で縦方向に延びる外フランジ部333と設けられており、外フランジ部333と内フランジ部335とが前後フレーム30の側面302に対して床フランジ部305の下側で接合されている。【選択図】図5


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    Title :

    VEHICLE FLOOR PART STRUCTURE


    Additional title:

    車両の床部構造


    Contributors:

    Publication date :

    2020-06-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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