Abstract: A front subframe structure includes front and rear cross members, a pair of left and right side members, and a vehicle body mounting portion disposed on front ends of the side members. The side member has a lateral widening portion at a front end thereof, wherein the lateral widening portion bulges outward in a vehicle width direction. The front cross member has a front widening portion at an end portion thereof in the vehicle width direction, wherein the front widening portion bulges forward of the vehicle. A portion of the front cross member excluding the front widening portion is disposed on the rear side with respect to the vehicle body mounting portion, and on the front side with respect to a rear end of the lateral widening portion.

Abstract: A rear subframe structure is provided with a rear subframe configured such that a front cross member, a rear cross member, a pair of left and right upper side members, and a pair of left and right lower side members are connected; and a vehicle-body mounting portion formed. The rear subframe further includes a lower-arm support portion. The front cross member has a closed section, and a front portion of the closed section extends downwardly by forward and downward inclination of a left lateral portion and a right lateral portion of the front cross member. The lower-arm support portion is formed on a lower rear portion of the left lateral portion and the right lateral portion of the front cross member. The upper side member is connected to an upper rear portion of the left lateral portion and the right lateral portion of the front cross member.

Abstract: In the front part of the front sub-frame (5), provided are a sub-crash can attachment part (12) and a tension rod supporting part (14); a front vehicle body attachment part (13) is provided between the two parts; the sus-cross member (73) is provided in the front vehicle body attachment part (13) and the tension rod supporting part (14); the front-side vehicle body attaching portion (13) includes a sub crash can load transmitting member (30); and the upper face portion (21) of the front vehicle body attachment part (13) and the partition wall (33) of the sub-crash can load transferring member (30) are spaced apart in the vertical direction and extend in the longitudinal direction of the vehicle.

Abstract: To reinforce a front sub-frame in such a manner that the front sub-frame having a trapezoidal shape formed by a cross member and left and right side members extending to one side is not deformed to a rhombus shape at the one side, a front sub-frame structure includes: a rear cross member (74) coupling arm supporting parts (71, 71) supported on left and right side members (6, 6); tilt members (75) coupling left and right intermediate portions of the rear cross member (74) to rear vehicle attachment parts (M3) of the side members (6); a brace (80) coupling the left and right arm supporting parts (71, 71) to the rear vehicle attachment parts (M3); and intermediate coupling parts (91) coupling the brace (80) to intermediate portions of the tilt members (75).

Abstract: A sub frame structure of a vehicle comprising a pair of side members with front ends rigidly connected to a floor frame, a rear cross member holding the vicinity of rear ends of the side members, both-side end portions of which are rigidly connected to a rear side frame, the both-side end portions of the rear cross member being positioned on an outward side, in a vehicle width direction, of the side members, a front cross member interconnecting the side members in the vehicle width direction and being positioned in front of the rear cross member, being spaced apart from the rear cross member, and a pair of upper members respectively connecting an upper portion of the rear cross member and an upper portion of the front cross member in a vehicle longitudinal direction at a position above the side member.

Abstract: A sub frame structure of a vehicle comprises a pair of right-and-left side members and a front cross member interconnecting the side members in a vehicle width direction. The side member includes a front support bracket and a rear member holding member which are arranged along the vehicle longitudinal direction and to which a front connection portion and a rear connection portion of the upper-side lower arm are pivotally connected, and comprises a front part positioned in front of the front support bracket. Herein, the front part of the side member is rigidly connected to a floor frame of a vehicle body at its front end and configured in a long shape such that the front part extends obliquely forward and outward, in the vehicle width direction, from a position where the front support bracket is provided.

Abstract: A sub frame structure of a vehicle comprising a pair of side members with front ends rigidly connected to a floor frame, a rear cross member holding the vicinity of rear ends of the side members, both-side end portions of which are rigidly connected to a rear side frame, the both-side end portions of the rear cross member being positioned on an outward side, in a vehicle width direction, of the side members, a front cross member interconnecting the side members in the vehicle width direction and being positioned in front of the rear cross member, being spaced apart from the rear cross member, and a pair of upper members respectively connecting an upper portion of the rear cross member and an upper portion of the front cross member in a vehicle longitudinal direction at a position above the side member.

Abstract: A sub frame structure of a vehicle comprises a pair of right-and-left side members and a front cross member interconnecting the side members in a vehicle width direction. The side member includes a front support bracket and a rear member holding member which are arranged along the vehicle longitudinal direction and to which a front connection portion and a rear connection portion of the upper-side lower arm are pivotally connected, and comprises a front part positioned in front of the front support bracket. Herein, the front part of the side member is rigidly connected to a floor frame of a vehicle body at its front end and configured in a long shape such that the front part extends obliquely forward and outward, in the vehicle width direction, from a position where the front support bracket is provided.

Abstract: A front subframe structure includes a pair of left and right side members extending in a vehicle front-rear direction, a center cross member of a closed cross-section structure extending in a vehicle-width direction to couple the a pair of left and right side members together, an inclined member having a pair of left and right inclined portions extending obliquely, in a plan view, outward in a vehicle-widthwise direction from a rear portion of a vehicle-widthwise middle portion of the center cross member, and a mount attaching portion of a powertrain mount housed in the center cross member and located behind a front edge of the center cross member and in front of a coupling portion between the inclined member and the center cross member.

Abstract: Disclosed is an automotive rear vehicle body structure comprising: a rear subframe (21) having right and left side member segments (22), and a cross member segment (23) coupling the side member segments (22) together; and a rear suspension supported by the rear subframe (21). The cross member portion (23) has right and left lateral portions (23S) each composed a pipe-like shaped member extending vehicle-widthwise inwardly and downwardly from each of the right and left side member segments (22), and a central portion (23C) composed of a pipe-like shaped member coupling the lateral portions (23S) together. The central portion (23C) is disposed at a height position below a vertically middle position between an upper-arm support section (28) and a lower-arm support section (29).

Abstract: A rear subframe comprises: a pair of right and left side member segments; and a front cross member segment and a rear cross member segment each coupling the side member segments together. The rear cross member segment has: a central portion; and a front branch portion and a rear branch portion branched forwardly and rearwardly from each of vehicle-widthwise outer ends of the central portion, while extending in the vehicle width direction. Each of the side member segments has a bent portion with its axis extending in a curved manner between a coupling portion between the front branch portion and the side member segments, and a coupling portion between the rear branch portion and the side member segments. The bent portion has a wall thickness set to be less than that of a region of the side member segment located forward of the bent portion.

Abstract: A front subframe structure for an automotive vehicle comprises: a pair of right and left side members each provided with an arm support member for supporting a suspension arm is mounted; a cross member disposed between the left and right side members to couple together respective locations in the side members at each of which the arm support member is provided; and an oblique member extending from central portion of the cross member, in each of right and left directions of the vehicle and obliquely rearwardly and outwardly in the vehicle width direction, wherein each of the side members has a rear end joined to a rear portion of a respective one of the oblique members, and wherein the rear portion of the oblique member is provided with a tunnel-lower-frame coupling portion couplable to a tunnel lower frame, and a floor frame attaching portion attachable to a floor frame.

Abstract: A front subframe structure includes a pair of left and right side members extending in a vehicle front-rear direction, a center cross member of a closed cross-section structure extending in a vehicle-width direction to couple the a pair of left and right side members together, an inclined member having a pair of left and right inclined portions extending obliquely, in a plan view, outward in a vehicle-widthwise direction from a rear portion of a vehicle-widthwise middle portion of the center cross member, and a mount attaching portion of a powertrain mount housed in the center cross member and located behind a front edge of the center cross member and in front of a coupling portion between the inclined member and the center cross member.

Abstract: A rear subframe comprises: a pair of right and left side member segments; and a front cross member segment and a rear cross member segment each coupling the side member segments together. The rear cross member segment has: a central portion; and a front branch portion and a rear branch portion branched forwardly and rearwardly from each of vehicle-widthwise outer ends of the central portion, while extending in the vehicle width direction. Each of the side member segments has a bent portion with its axis extending in a curved manner between a coupling portion between the front branch portion and the side member segments, and a coupling portion between the rear branch portion and the side member segments. The bent portion has a wall thickness set to be less than that of a region of the side member segment located forward of the bent portion.

Abstract: A front subframe structure for an automotive vehicle comprises: a pair of right and left side members each provided with an arm support member for supporting a suspension arm is mounted; a cross member disposed between the left and right side members to couple together respective locations in the side members at each of which the arm support member is provided; and an oblique member extending from central portion of the cross member, in each of right and left directions of the vehicle and obliquely rearwardly and outwardly in the vehicle width direction, wherein each of the side members has a rear end joined to a rear portion of a respective one of the oblique members, and wherein the rear portion of the oblique member is provided with a tunnel-lower-frame coupling portion couplable to a tunnel lower frame, and a floor frame attaching portion attachable to a floor frame.

Abstract: Disclosed is an automotive rear vehicle body structure comprising: a rear subframe (21) having right and left side member segments (22), and a cross member segment (23) coupling the side member segments (22) together; and a rear suspension supported by the rear subframe (21). The cross member portion (23) has right and left lateral portions (23S) each composed a pipe-like shaped member extending vehicle-widthwise inwardly and downwardly from each of the right and left side member segments (22), and a central portion (23C) composed of a pipe-like shaped member coupling the lateral portions (23S) together. The central portion (23C) is disposed at a height position below a vertically middle position between an upper-arm support section (28) and a lower-arm support section (29).

Abstract: Disclosed is a suspension subframe structure of a vehicle, which is capable of improving the overall rigidity of a suspension subframe to effectively receive input loads from suspension arms, while reducing the overall weight of the suspension subframe.

Abstract: A structure of a suspension subframe (1) for supporting a plurality of suspension arms (12, 14, 16) of multi-link suspension systems (2), which comprises first and second lateral members (20, 22) each extending in a lateral direction of a vehicle body, a pair of longitudinal members (24, 26) each extending in a longitudinal direction of the vehicle body, a pair of right and left upper-arm support portions (52) provided in right and left ends of the first lateral member (20 or 22), respectively, and a pair of right and left lower-arm support portions (50) provided in the right and left ends of the first lateral member (20 or 22), respectively, wherein the first lateral member (20 or 22) is formed to allow a load to be transmitted diagonally between the left upper-arm support portion (52) and the right lower-arm support portion (50) and diagonally between the left lower-arm support portion (50) and the right upper-arm support portion (52).

Abstract: A structure of a suspension subframe (1) for supporting a plurality of suspension arms (12, 14, 16) of multi-link suspension systems (2), which comprises first and second lateral members (20, 22) each extending in a lateral direction of a vehicle body, a pair of longitudinal members (24, 26) each extending in a longitudinal direction of the vehicle body, a pair of right and left upper-arm support portions (52) provided in right and left ends of the first lateral member (20 or 22), respectively, and a pair of right and left lower-arm support portions (50) provided in the right and left ends of the first lateral member (20 or 22), respectively, wherein the first lateral member (20 or 22) is formed to allow a load to be transmitted diagonally between the left upper-arm support portion (52) and the right lower-arm support portion (50) and diagonally between the left lower-arm support portion (50) and the right upper-arm support portion (52).

Abstract: Disclosed is a suspension subframe structure of a vehicle, which is capable of improving the overall rigidity of a suspension subframe to effectively receive input loads from suspension arms, while reducing the overall weight of the suspension subframe.