The invention discloses a D-pillar upper joint structure. The D-pillar upper joint structure comprises a side frame outer panel, a side frame inner panel, a D-pillar upper reinforcing plate, a roof rear cross beam outer panel and a roof rear cross beam inner panel, wherein the head and tail side edges of the D-pillar upper reinforcing plate are connected with the head and tail side edges of the side frame outer panel; the opposite sides of the side frame inner panel and the roof rear cross beam inner panel are connected with each other; the tail ends of the side frame inner panel and the D-pillar upper reinforcing plate are connected with each other; and the head ends of the roof rear cross beam outer panel and the side frame outer panel are connected with each other. The D-pillar upper joint structure further comprises a D-pillar stiffening plate, wherein the D-pillar stiffening plate is a frame-like plate which is open on one side; the D-pillar stiffening plate is connected with the D-pillar upper reinforcing plate and the side frame inner panel; and a sealed cavity is formed among the D-pillar upper reinforcing plate, the side frame inner panel and the D-pillar stiffening plate. The D-pillar upper joint structure is advantaged in that the structure is simple, the connecting strength of the D-pillar upper joint structure is enhanced, stress concentration can be effectively avoided, the torsional moment-of-inertia of the D-pillar upper joint structure can be increased, the deformation amount of a tail door frame is reduced, and the natural vibration frequency of the D-pillar upper joint structure is increased to avoid resonance and abnormal sounds.


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    Titel :

    D-pillar upper joint structure


    Beteiligte:
    HUANG GANG (Autor:in) / WEI CHAOZHONG (Autor:in) / WEI DONGMING (Autor:in) / ZHU DENGHONG (Autor:in) / WU SHENG AN (Autor:in)

    Erscheinungsdatum :

    2016-01-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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