Patent ID: 9085329
Filing Date: 2015-07-21
Classification: B60G,B62D

Abstract:
1. An automotive rear vehicle body structure comprising: a rear subframe having right and left side member segments and a cross member segment coupling the side member segments together; and a rear suspension supported by the rear subframe, wherein: each of the side member segments has a front region provided with a front fixing section attached to a vehicle-body component; each of the side member segments is provided with, at respective positions rearward of the front fixing section and approximately identical to a position of each of right and left ends of the cross member segment in a front-rear direction, an upper-arm support bracket and a lower-arm support bracket located below the upper-arm support bracket; the upper-arm support bracket and the lower-arm support bracket are disposed such that a part of the respective brackets and the front fixing section of the side member segment are positionally coincident with each other in a vehicle width direction; the upper-arm support bracket has an upper-arm support section which is located at a position above the front fixing section of the side member segment and by which an upper arm of the rear suspension is pivotally supported; the lower-arm support bracket has a lower-arm support section which is located at a position below the front fixing section of the side member segment and by which a lower arm of the rear suspension is pivotally supported; the cross member segment has: right and left lateral portions each composed of a pipe-like shaped member extending from each of the side member segments vehicle-widthwise inwardly and downwardly; and a central portion composed of a pipe-like shaped member coupling the lateral portions together, the central portion of the cross member segment being set at a height position above the lower-arm support section and below a vertically middle position between the upper-arm support section and the lower-arm support section; the lower-arm support bracket is coupled to the central portion of the cross member segment, or a vehicle-widthwise inner end of each of the lateral portions; the rear subframe comprises, at a position spaced apart rearwardly from the cross member segment, a rear cross member segment supporting a rear lower arm of the rear suspension; and the rear cross member segment comprises a central portion having a rear-arm support section which is provided at each of right and left portions thereof and by which the rear lower arm of the rear suspension is pivotally supported, and a forwardly-inclined portion and a rearwardly-inclined portion branched forwardly and rearwardly from each of the right and left ends of the central portion and coupled to each of the side member segments.