PROBLEM TO BE SOLVED: To provide a suspension support structure of an automobile which can raise a position of an arm support part without raising positions of vehicle body structure members for supporting a trailing arm which is sufficiently reinforced, and excellent in productivity.SOLUTION: A suspension support structure of an automobile has: a support member 70 which is arranged at vehicle body structure members 11, 60, and supports a front end 51a of a trailing arm 51 so as to be oscillatory in a vertical direction; a reinforcing member 80 which is arranged at an upper face 71 of the support member 70, and forms a closed cross section A between the support member 70 and itself; and a bolt 74 which co-fastens the reinforcing member 80 and the support member 70, and an oscillating support shaft 78 of the arm 51. An upper swollen part 72 for accommodating the arm front end part 51a is extensively arranged at the support member 70 in a vehicle width direction, and the reinforcing member 80 is formed into a U-shape in a cross section which is downwardly released in a vehicle side face view, intersects with the upper swollen part 72, extends to the vehicle width direction, and is connected to the vehicle body structure members 60, 11 at its extension ends 85, 86. The bolt 74 penetrates the support member 70 from above.SELECTED DRAWING: Figure 4
【課題】トレーリングアームを支持する車体構造部材の位置を高くせずにアーム支持部の位置を高くでき、アーム支持部が十分補強され、生産性に優れる自動車のサスペンション支持構造を提供する。【解決手段】車体構造部材11,60に設けられてトレーリングアーム51の前端部51aを上下に揺動可能に支持する支持部材70、支持部材70の上面71に設けられて支持部材70との間に閉断面Aを形成する補強部材80、及び補強部材80と支持部材70とアーム51の揺動支持軸78とを共締めするボルト74を有し、支持部材70にアーム前端部51aを収容するための上方膨出部72が車両前後方向に延設され、補強部材80は車両側面視で下方に開放する断面コ字状に形成されて上方膨出部72と交差して車幅方向に延び、その延長端部85,86で車体構造部材60,11に連結され、ボルト74は上方から支持部材70を挿通する。【選択図】図4
SUSPENSION SUPPORT STRUCTURE OF AUTOMOBILE
自動車のサスペンション支持構造
2016-06-20
Patent
Electronic Resource
Japanese
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