To provide a closed cross-sectional structure that can suppress peeling of a flange connection surface even in a case where compressive force or bending deformation is applied in an axial direction, without making a flange into a special shape so as to facilitate press molding, spot welding and connection with another member.SOLUTION: A closed cross-sectional structure is configured such that a first hat-shaped member having a first flange and a second hat-shaped member having a second flange are joined via the first flange and the second flange, wherein a maximum flat surface width of the closed cross-sectional structure is larger than an effective width calculated from Karman's effective width formula.SELECTED DRAWING: Figure 1

    【課題】プレス成形、スポット溶接、及び他の部材との接合を容易に行うことができるようにフランジを特殊な形状にすることなく、軸方向に圧縮力や曲げ変形が加えられてもフランジ接合面の剥離を抑制することができる閉断面構造体を提供する。【解決手段】第1のフランジを有する第1のハット形部材と第2のフランジを有する第2のハット形部材とが、前記第1のフランジ及び第2のフランジを介して接合された閉断面構造体であって、カルマンの有効幅式から計算される有効幅よりも、前記閉断面構造体の最大平坦面幅が大きい閉断面構造体。【選択図】図1


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    Title :

    CLOSED CROSS-SECTIONAL STRUCTURE


    Additional title:

    閉断面構造体


    Contributors:

    Publication date :

    2020-09-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL , Bearbeiten oder Verarbeiten von Blechen, Metallrohren, -stangen oder -profilen ohne wesentliches Abtragen des Werkstoffs / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B62D MOTOR VEHICLES , Motorfahrzeuge / F16F SPRINGS , Federn



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