To provide a rear sub-frame that is lightweight and has high rigidity.SOLUTION: A rear sub-frame comprises: a U-shaped member 10 that has a left side member part, a right side member part, which are paired with each other, and a rear cross member part integrally connecting the left side member part and the right side member part, and that has a U-shaped outer shape in a plan view, in which at each position from one end to the other end in an extending direction along the U-shape, a cross section perpendicular to the extending direction is closed; a front cross member 20 connecting the insides of the left side member part and the right side member part; and a left extension member 30 that is connected to the left side member part and extends in a direction away from the left side member part, and a right extension member 40 that is connected to the right side member part and extends in a direction away from the right side member part.SELECTED DRAWING: Figure 1
【課題】軽量で高い剛性を持つリアサブフレームの提供を目的とする。【解決手段】このリアサブフレームは、互いに対をなす左サイドメンバ部及び右サイドメンバ部と、左サイドメンバ部及び右サイドメンバ部間を一体に繋ぐリアクロスメンバ部とを有する、平面視でU字状の外形をなし、前記U字状に沿った延在方向の一端から他端にかけての各位置において、前記延在方向に垂直な断面が閉じている、U字メンバ10と;左サイドメンバ部及び右サイドメンバ部の内側間を繋ぐフロントクロスメンバ20と;左サイドメンバ部に接続されて左サイドメンバ部から離間する方向に延在する左延長メンバ30、及び、右サイドメンバ部に接続されて右サイドメンバ部から離間する方向に延在する右延長メンバ40と;を備える。【選択図】図1
REAR SUB-FRAME
リアサブフレーム
2021-09-13
Patent
Electronic Resource
Japanese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |