PROBLEM TO BE SOLVED: To provide a reinforcement structure of a resin back door which has effectively improved rigidity without leading to an increase in the number of parts and assembling man-hours.SOLUTION: A reinforcement structure has a back door inner panel 100 which includes a window portion 140, a back door upper portion 110 which is provided on a vehicle upper part from the window portion 140 and extends in a vehicle width direction, a back door skirt portion 130 positioned at a vehicle lower part from the window portion 140, and a pair of back door side portions 121 and 122 which are positioned on both of right and left of the window portion 140 and connect the back door upper portion 110 and the back door skirt portion 130, where the back door skirt portion 130 has an annular swelled portion 132 positioned on its outer periphery and a recessed portion 133 positioned inside of the annular swelled portion 132, the annular swelled portion 132 is welled toward the vehicle front part and is connected with the pair of back door side portions 121 and 122, and the recessed portion 133 is recessed toward the vehicle rear part.SELECTED DRAWING: Figure 1

    【課題】 部品点数の増加や組立工数の増加を招くことなく、効果的に剛性を向上させた樹脂製バックドアの補強構造を提供する。【解決手段】 ウインド部140と、ウインド部140よりも車両上方に位置し、かつ車幅方向に延びるバックドア上部110と、ウインド部140よりも車両下方に位置するバックドア裾部130と、ウインド部140の左右両側に位置し、かつバックドア上部110とバックドア裾部130とを連結する一対のバックドア側部121,122と、を備えるバックドアインナパネル100を有する補強構造であって、バックドア裾部130は、その外周に位置する環状膨出部132と、環状膨出部132の内側に位置する凹入部133と、を有し、環状膨出部132は、車両前方に向けて膨出させられ、かつ一対のバックドア側部121,122がつながり、凹入部133は、車両後方に向けて凹入させられている。【選択図】 図1


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    Title :

    REINFORCEMENT STRUCTURE OF RESIN BACK DOOR


    Additional title:

    樹脂製バックドアの補強構造


    Contributors:

    Publication date :

    2018-01-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge



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