To provide a vehicular side door structure which can achieve weight reduction of a side door and occupant safety during a side collision of a vehicle.SOLUTION: A vehicular side door structure includes: an outer member 10; an inner member 30 having a front vertical wall part 41 and a rear vertical wall part 42; and an impact bar 46 installed from front attachment parts 41s, 41t of the front vertical wall part 41 to rear attachment parts 42s, 42t of the rear vertical wall part 42. The vehicular side door structure has: a hinge reinforcement member 54 which reinforces a hinge attachment part 41d for attaching a hinge 51 to the front vertical wall part 41; and a latch reinforcement member 55 which reinforces a latch attachment part 42d for attaching a latch device 52 to the rear vertical wall part 42. The front vertical wall part 41 and the rear vertical wall part 42 are formed into a cast/resin vertical wall part by a cast forming material or a high strength resin material. The hinge reinforcement member 54 and the latch reinforcement member 55 have higher ductility than those of the front vertical wall part 41 and the rear vertical wall part 42 and are connected to the impact bar 46.SELECTED DRAWING: Figure 8

    【課題】サイドドアの軽量化と車両側突時の乗員安全性とを両立することができる車両のサイドドア構造を提供する。【解決手段】アウタ部材10と、前側縦壁部41及び後側縦壁部42を有するインナ部材30と、前側縦壁部41の前側取付部41s,41tから後側縦壁部42の後側取付部42s,42tに亙って架設されたインパクトバー46とを備え、前側縦壁部41にヒンジ51を取り付けるためのヒンジ取付部41dを補強するヒンジ補強部材54と、後側縦壁部42にラッチ装置52を取り付けるためのラッチ取付部42dを補強するラッチ補強部材55とを有し、前側縦壁部41と後側縦壁部42が鋳造成形若しくは高強度樹脂材料にて鋳物/樹脂製縦壁部に構成され、ヒンジ補強部材54とラッチ補強部材55が、前側縦壁部41及び後側縦壁部42よりも高延性であると共にインパクトバー56に連結されている。【選択図】 図8


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    Title :

    VEHICULAR SIDE DOOR STRUCTURE


    Additional title:

    車両のサイドドア構造


    Contributors:

    Publication date :

    2021-12-27


    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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