Abstract: There is provided a torsion beam joint structure in a torsion beam suspension including a torsion beam and right and left trailing arms connected to end portions of the torsion beam. The torsion beam has front and rear wall portions, an upper wall portion, and an opening provided at a lower side in an upper-lower direction of the vehicle. The front wall portion and the rear wall portion have a set of joint portions on their right side and left side in the vehicle width direction, by which the front wall portion and the rear wall portion are joined to each of the trailing arms. The set of joint portions includes an outer joint portion located on an outer side at a lowermost position, and an inner joint portion located on an inner side at an uppermost position. The inner joint portion is located higher than the outer joint portion.

Abstract: In a lower member of a subframe for a vehicle, a middle portion between an outer-side portion and an inner-side portion includes an outer-side curved bottom portion and an inner-side curved bottom portion. Adjacently-positioned closed cross-sections are provided corresponding to at least a portion of the outer-side curved bottom portion and the inner-side curved bottom portion, the adjacently-positioned closed cross-sections being made up of a first closed cross-section of a first crossmember and a second closed cross-section of the lower member positioned adjacent to each other in a vertical direction in such a manner as to be divided by a wall portion of the first crossmember and next to each other, the wall portion defining the first closed cross-section.

Abstract: In a vehicle subframe 1, a first side member has a first extending portion that extends while being deflected outward on one side in a width direction as approaching from a rear side to a front side, a second side member has a second extending portion that extends while being deflected outward on the other side in the width direction as approaching from the rear side to the front side, and a second cross member is further included which is opposed to the first cross member on the front side thereof and couples a portion of the first extending portion in which the degree of outward deflection on the one side in the width direction becomes large and a portion of the second extending portion in which the degree of outward deflection on the other side in the width direction becomes large to each other.

Abstract: In a vehicle subframe 1, a pair of side members 110 and 130 includes upper side members 111 and 131 and lower side members 117 and 137, respectively, the lower side members 117 and 137 extending opposed on a downward side to the upper side members 111 and 131 while being elongated to a rearward side, and a pair of mounting members 60 and 80 is joined respectively to the lower side members 117 and 137 of the pair of side members 110 and 130.

Abstract: A vehicle subframe attached to a vehicle body comprises a first side member that extends in a front-rear direction of the vehicle body; a second side member that extends in the front-rear direction of the vehicle body and is opposed to the first side member in a width direction of the vehicle body; a cross member that extends in the width direction and couples the first side member and the second side member to each other; a first crush box and a second crush box that are coupled to the first side member and the second side member; a first vehicle-body attachment member that is provided on one side in the width direction on an upper side in a vertical direction of the vehicle body; and a second vehicle-body attachment member that is provided on the other side in the width direction on an upper side.

Abstract: In a vehicle subframe 1, a first side member has a first extending portion that extends while being deflected outward on one side in a width direction as approaching from a rear side to a front side, a second side member has a second extending portion that extends while being deflected outward on the other side in the width direction as approaching from the rear side to the front side, and a second cross member is further included which is opposed to the first cross member on the front side thereof and couples a portion of the first extending portion in which the degree of outward deflection on the one side in the width direction becomes large and a portion of the second extending portion in which the degree of outward deflection on the other side in the width direction becomes large to each other.

Abstract: In a vehicle subframe 1, fragile portions 124 and 144 of a first side member 110 are deformed to be bent by crash load applied from the front side to the rear side in frontal crash of a vehicle, from crushed portions of fragile portions 126 and 146 of the first side member 110 as start points, and fragile portions 164 and 184 of a second side member 150 are deformed to be bent by the crash load from crushed portions of fragile portions 166 and 186 of the second side member 150 as start points.

Abstract: A vehicle subframe attached to a vehicle body includes a first side member and a second side member that extend in a front-rear direction of a vehicle body and are arranged to be opposed to each other in a width direction of the vehicle body, a cross member that is arranged to extend in the width direction and couples the first side member and the second side member to each other, and a coupling member that is arranged to extend in the width direction to be apart from the cross member toward a rear side of the vehicle body and couples the first side member and the second side member to each other.

Abstract: In a vehicle subframe, a left coupling member is connected to a left front portion, a left connecting portion, and a lateral portion of the cross member in a left front coupling portion while covering the left connecting portion of the cross member in the width direction, and a right coupling member is connected to a right front portion, a right connecting portion, and the lateral portion of the cross member in the right front coupling portion while covering the right connecting portion of the cross member in the width direction.

Abstract: A vehicle subframe includes: a front member that is arranged on a front side in a front-rear direction in a vehicle body, allows a driving source that generates a driving force for driving a vehicle to be mounted thereon, and has a front attachment portion to be attached at both ends in a width direction of the vehicle body on the front side; and a first side member and a second side member that extend in the front-rear direction, are arranged to be opposed to each other in the width direction of the vehicle body, are each connected to the front member, and each have a rear attachment portion to be attached to a portion on a rear side in the vehicle body in the front-rear direction.

Abstract: A motor drive device includes: a trailing arm that extends in a vehicle front-rear direction and includes a vehicle body-side attachment portion and wheel-side support portion, the vehicle body-side attachment portion formed on a forward portion side of the trailing arm and coupled to a vehicle body via a rubber bush, the wheel-side support portion formed on a rear side of the trailing arm and supporting a rear wheel; and a motor that is supported by the trailing arm and drives the rear wheel. The motor and the rubber bush are disposed in such a way that motor and the rubber bush are seen as being substantially aligned in a vehicle up-down direction when viewed in a vehicle width direction.

Abstract: In a vehicle subframe 1, a pair of side members 110 and 130 includes upper side members 111 and 131 and lower side members 117 and 137, respectively, the lower side members 117 and 137 extending opposed on a downward side to the upper side members 111 and 131 while being elongated to a rearward side, and a pair of mounting members 60 and 80 is joined respectively to the lower side members 117 and 137 of the pair of side members 110 and 130.

Abstract: In a vehicle subframe 1, a pair of arm support portions S1 and S2 includes an end portion on an outer side of a wall portion 16 in a width direction on a forward side of an upper front cross member 12 in a forward-rearward direction, and wall portions 66 and 86 of a pair of mounting members 60 and 80 on the forward side. Between the pair of arm support portions S1 and S2 in the width direction, the upper front cross member 12 and a lower cross member 32 cooperate with each other to have a closed vertical cross-section that is continuous in the width direction in cross-section taken along a plane parallel to a plane defined by the forward-rearward direction and an upward-downward direction.

Abstract: In a vehicle subframe, a left coupling member is connected to a left front portion, a left connecting portion, and a lateral portion of the cross member 10 in a left front coupling portion while covering the left connecting portion of the cross member in the width direction, and a right coupling member is connected to a right front portion, a right connecting portion, and the lateral portion of the cross member in the right front coupling portion while covering the right connecting portion of the cross member in the width direction.

Abstract: A vehicle subframe includes: a front member that is arranged on a front side in a front-rear direction in a vehicle body, allows a driving source that generates a driving force for driving a vehicle to be mounted thereon, and has a front attachment portion to be attached at both ends in a width direction of the vehicle body on the front side; and a first side member and a second side member that extend in the front-rear direction, are arranged to be opposed to each other in the width direction of the vehicle body, are each connected to the front member, and each have a rear attachment portion to be attached to a portion on a rear side in the vehicle body in the front-rear direction.

Abstract: A vehicle subframe attached to a vehicle body includes a first side member and a second side member that extend in a front-rear direction of a vehicle body and are arranged to be opposed to each other in a width direction of the vehicle body, a cross member that is arranged to extend in the width direction and couples the first side member and the second side member to each other, and a coupling member that is arranged to extend in the width direction to be apart from the cross member toward a rear side of the vehicle body and couples the first side member and the second side member to each other.

Abstract: There is provided an end plate that includes a through hole that causes an outer wall portion and an inner wall portion to communicate with each other, into which an intruding portion provided in a wheel-side member can intrude, a first press-formed portion formed by depressing in a peripheral edge of the through hole in the inner wall portion. The end plate includes a second press-formed portion arranged in a part of a peripheral edge on the side of a peripheral end of the inner wall portion, which is a remnant of a portion where the first press-formed portion is arranged in the inner wall portion, and formed therein with a protruding portion by protruding a part of the peripheral edge, and a screw hole formed by penetrating through the protruding portion in the second press-formed portion between the outer wall portion and the inner wall portion.

Abstract: In a metal-resin composite member 1, 1?, a first member M made of metal and a second member P, P? made of resin are joined to each other via a first joining portion B defined by the first member M and the second member P, P? in cooperation with each other, and the first member M made of metal and a third member P, P? made of resin are joined to each other via a second joining portion B defined by the first member M and the third member P, P? in cooperation with each other.

Abstract: To provide a suspension arm (1), in which a flange switching portion (100) where an outward flange (90) and a second inward flange (82) are switched with each other is provided between the second inward flange (82) extending at least between an inner wall (53) of a second vehicle-body attachment portion (A2) and a concave wall portion (81), and the outward flange (90) extending over the concave wall portion (81) of a third vertical wall (80) and a rear wall (42) of a first vehicle-body attachment portion (A1), corresponding to a portion where a lower end of the concave wall portion (81) is suspended downward without folding the lower end of the concave wall portion (81).

Abstract: There is provided a vehicle subframe (1) in which a projecting portion (24, 31) of a front member (20) extends upward, while projecting from a body portion in a width direction, to have an upper end (25, 32), and exhibits a convex shape toward a front side, with the upper end (25, 32) functioning as a front attachment portion to a vehicle body, in such a manner that support stiffness of a suspension can be improved, while ensuring favorable productivity, high strength, and the like, with a simple configuration.