Vehicle rear structure

Abstract

To suppress torsional rigidity from deteriorating in a rear part of a vehicle.SOLUTION: In a vehicle rear part structure, panel bent parts 11 protruding to a rear side of a vehicle are provided at rear ends of outside surfaces 10a of side body outer panels 10, and rear lamps 41 mounted on lamp housing panels 30 are arranged at upper sides of the vehicle of the panel bent parts 11. Step parts 16 extending along end parts of the outside surfaces 10a positioned at a lower side of the vehicle of the panel bent parts 11 are provided at rear parts of the side body outer panels 10. An outside part of a rear bumper 42 is arranged along the step parts 16. Reinforcements 20 extending in a vertical direction and arranged to stride across the panel bending parts 11 are joined to the insides of the side body outer panels 10.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a vehicle rear structure. [Background technology]

[0002] A rear bumper and rear lamps, for example, are disposed at the rear of a side body outer panel disposed on the side of a vehicle. For example, a rear bumper made of resin extends in the vehicle width direction, and its outer portion in the vehicle width direction protrudes forward of the vehicle. The portion protruding forward of the vehicle is attached to the rear of the side body outer panel. In addition, rear lamps such as rear combination lamps are fixed to the side body outer panel via a housing panel or the like.

[0003] For example, the rear portion of the side body outer panel disclosed in Patent Document 1 has a boundary (parting line) between the rear combination lamp and the rear bumper. The rear bumper is arranged to cover the lower portion of the rear of the vehicle body from the outside. Therefore, the outer portion of the rear bumper in the vehicle width direction has a portion that protrudes forward of the vehicle, and the end of this protruding portion forms the boundary (parting line) with the side body outer panel. In order to form this boundary, it is necessary to provide, for example, a bent portion that protrudes toward the rear of the vehicle in the rear portion of the side body outer panel. In order to ensure the accuracy of the parting line, a bumper holder is attached near the bent portion, and the rear bumper is attached to the rear of the side body outer panel via the bumper holder. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2012-116235 Summary of the Invention [Problem to be solved by the invention]

[0005] If a bent portion is provided in the side body outer panel as in the above example, there is a possibility that the torsional rigidity at the rear of the vehicle body will be reduced. This reduction in torsional rigidity may make the vehicle body more susceptible to twisting during cornering, etc., which may result in a decrease in handling performance. The bent portion provided in the rear of the side body outer panel may become a starting point for bending when subjected to a compressive load, for example.

[0006] In addition, a lamp housing panel for fixing the rear lamp is joined to the bent portion. When torsional deformation occurs at the rear of the vehicle body, the lamp housing panel and the side body outer panel deform in different directions at the bent portion, resulting in a relative displacement difference. This can not only cause cracks in the sealant applied around the bent portion but also lead to peeling of the spot welds on the panel. Therefore, in structures with bent portions at the rear of the vehicle, there is room for improvement in suppressing deformation when a load that causes torsional deformation of the vehicle body is applied.

[0007] The present invention has been made to solve the above-mentioned problems, and its purpose is to provide a vehicle rear structure that can suppress a decrease in torsional rigidity in a vehicle rear that has a bent portion at the rear of a side body outer panel. [Means for solving the problem]

[0008] The present invention provides a vehicle rear structure for achieving the above object, comprising: a side body outer panel disposed on a side of a vehicle body; and a lamp housing panel to which a rear lamp is attached and joined to the side body outer panel, wherein a panel bend portion that convexly faces rearward of the vehicle is provided at the rear end of the outer surface of the side body outer panel, and the rear lamp is disposed above the vehicle on the side of the panel bend portion. In this vehicle rear structure, a step portion is provided at the rear of the side body outer panel, extending along an end of the outer surface that is located below the vehicle of the panel bend portion, and a vehicle width direction outer portion of a rear bumper disposed at the rear of the vehicle is arranged along the step portion. A reinforcement that extends in the vehicle vertical direction and is arranged to straddle the panel bend portion is joined to the vehicle inner side of the side body outer panel. [Effects of the Invention]

[0009] According to the present invention, it is possible to suppress a decrease in torsional rigidity in a vehicle rear portion having a bent portion at the rear of a side body outer panel. [Brief explanation of the drawings]

[0010] [Figure 1] 1 is a perspective view of an embodiment of a vehicle rear structure according to the present invention, as viewed from the rear of the vehicle. [Figure 2] 2 is an enlarged perspective view of a lamp housing panel and its surroundings, with the lamp housing panel attached to the right side of the rear part of the vehicle body in FIG. 1. FIG. [Figure 3] 2 is an enlarged perspective view showing the left side of the rear part of the vehicle body in FIG. 1. [Figure 4] FIG. 4 is a perspective view showing a state in which the lamp housing panel of FIG. 3 is removed. [Figure 5] 2 is an enlarged perspective view of the reinforcement and its surroundings on the right side of the vehicle body in FIG. 1. FIG. [Figure 6] 2 is a perspective view of the reinforcement on the left side of the vehicle body in FIG. 1 and its surroundings, as viewed from the inside of the vehicle in the middle part in the vehicle width direction. FIG. [Figure 7]FIG. 7 is an enlarged perspective view of the reinforcement unit of FIG. 6. [Figure 8] FIG. 8 is a side view of the reinforcement in FIG. 7 as seen from the inside of the vehicle. [Figure 9] FIG. 3 is a side view of the rear portion of the side body outer panel of FIG. 2. [Figure 10] FIG. 10 is a cross-sectional view taken along the line AA in FIG. 9. [Figure 11] FIG. 10 is a cross-sectional view taken along the arrow BB in FIG. 9. [Figure 12] FIG. 10 is a cross-sectional view taken along the arrow CC in FIG. 9. DETAILED DESCRIPTION OF THE INVENTION

[0011] Hereinafter, one embodiment of a vehicle rear structure for a vehicle according to the present invention will be described with reference to the drawings (FIGS. 1 to 12). In the drawings, the direction of arrow U indicates the upper side of the vehicle, and the direction of arrow R indicates the rear side in the longitudinal direction of the vehicle. In the description of the embodiment, the "front part (front end) and rear part (rear end)" correspond to the front part and rear part in the longitudinal direction of the vehicle. In addition, the direction of arrow L indicates the left side when an occupant looks ahead of the vehicle.

[0012] The vehicle rear structure of this embodiment includes a side body outer panel 10 disposed on a side of the vehicle body, a rear bumper 42 disposed at the rear of the vehicle body, a lamp housing panel 30 disposed on the outer side of the rear of the vehicle body in the vehicle width direction, a rear turn signal lamp (rear lamp) 41 attached to the lamp housing panel 30, the rear bumper 42, and a reinforcement 20. The rear turn signal lamp 41 and the rear bumper 42 are shown imaginarily by two-dot chain lines in Fig. 1. Each component will be described below.

[0013] The side body outer panel 10 is disposed on the side of the vehicle body, is a member constituting the outermost part of the vehicle body, and is a highly rigid member made of a metal material. The side body outer panel 10 of this embodiment is described as being located at the rear part of the side of the vehicle body. As shown in FIGS. 1 to 4, the rear part of the side body outer panel 10 of this embodiment is provided with a panel bent portion 11 and a step portion 16. The shape of the rear part of the side body outer panel 10 will be described below.

[0014] The panel bent portion 11 is a portion formed to convex toward the rear of the vehicle. In this example, when viewed from the outside in the vehicle width direction, the panel bent portion 11 is composed of a rear end portion 12, which is a bending point, and two inclined portions (an upper inclined portion 13 and a lower inclined portion 15) extending from the rear end portion 12 toward the front of the vehicle. The rear end portion 12 is located at the lower rear portion of the side body outer panel 10. The upper inclined portion 13 extends at an inclination upward from the rear end portion 12 toward the front of the vehicle. The upper inclined portion 13 is provided at the upper end of the outer surface of the side body outer panel 10 where the panel bent portion 11 is located, and is curved toward the inside of the vehicle. In this embodiment, the upper inclined portion 13 has an inclined portion as described above, but it may also extend upward toward the vehicle.

[0015] Additionally, an upper flange portion 14 is provided on the vehicle inner side of the upper inclined portion 13. The upper flange portion 14 protrudes inward in the vehicle width direction from the end of the outer surface 10a where the upper inclined portion 13 is located, and extends along the inclination direction of the upper inclined portion 13.

[0016] The lower inclined portion 15 extends obliquely downward from the rear end portion 12 toward the front of the vehicle. The lower inclined portion 15 is provided at the lower end of the outer surface of the side body outer panel 10 where the panel bending portion 11 is located, and curves toward the inside of the vehicle, similar to the upper inclined portion 13. The upper inclined portion 13 and the lower inclined portion 15 are arranged so as to be bent at the rear end portion 12 when viewed in the vehicle width direction.

[0017] As shown in FIG. 1 , in this embodiment, a rear turn signal lamp 41 is disposed on the upper side of the panel bending portion 11, and a vehicle width direction outer portion of a rear bumper 42 is disposed on the lower side of the panel bending portion 11. In this example, the rear turn signal lamp 41 is disposed above the upper inclined portion 13. The rear turn signal lamp 41 is a substantially rectangular lamp extending in the vertical direction of the vehicle, and a lower portion of the vehicle width direction outer portion of the rear turn signal lamp 41 is inclined to correspond to the inclination direction of the upper inclined portion 13. In other words, the upper inclined portion 13 forms a parting line (boundary) between the side body outer panel 10 and the rear turn signal lamp 41. Furthermore, as described above, the upper inclined portion 13 is curved toward the inside of the vehicle, thereby maintaining appearance quality (parting design).

[0018] The rear bumper 42 is a member made of, for example, resin, extending in the vehicle width direction, and is attached to a rear skirt panel 38 or the like provided at the rear of the vehicle body. The outer portion of the rear bumper 42 in the vehicle width direction protrudes forward of the vehicle. The front portion of this protruding portion is inclined to correspond to the lower inclined portion 15. In other words, the lower inclined portion 15 forms a parting line (boundary) between the side body outer panel 10 and the outer portion of the rear bumper 42 in the vehicle width direction. The lower inclined portion 15 is curved toward the inside of the vehicle, similar to the upper inclined portion 13, thereby maintaining the appearance characteristics of the parting line.

[0019] Next, the step portion 16 will be described. As shown in Figures 2 to 5 and 9, the step portion 16 is provided in the lower inclined portion 15. In this example, the step portion 16 protrudes inward in the vehicle width direction from the lower inclined portion 15 and extends along the inclination direction of the lower inclined portion 15. The step portion 16 has a wall surface that extends from slightly below the rear end portion 12 of the panel bending portion 11, sloping downward as it heads toward the front of the vehicle.

[0020] 2 to 4 and 9, the side body outer panel 10 has an inner side surface portion 17 extending rearward from the inner end of the step portion 16 in the vehicle width direction. The inner side surface portion 17 is a side surface facing the outer side in the vehicle width direction, and in this example, an upper portion of the inner side surface portion 17 is located slightly forward and downward of the vehicle relative to the rear end portion 12 of the panel bending portion 11 as viewed in the vehicle width direction, and is connected to the step portion 16. In the rear portion of the side body outer panel 10 of this embodiment, the outer side surface 10a is recessed by the step portion 16, and as a result, the inner side surface portion 17 is formed.

[0021] The rear end of the inner surface portion 17 extends in the vertical direction of the vehicle. A hole is formed in the inner surface portion 17 for attaching a resin bumper holder (not shown) or the like. An outer portion of the rear bumper 42 in the vehicle width direction is attached to the inner surface portion 17 via, for example, the bumper holder. The lower end of the inner surface portion 17 is connected to a rear wheel house panel or the like that covers the rear wheels from above the vehicle.

[0022] A lower flange portion 18 is provided at the rear end of the inner side surface portion 17. The lower flange portion 18 protrudes in the vehicle width direction from the rear end of the inner side surface portion 17 and extends in the vehicle up-down direction. The upper end of the lower flange portion 18 is located at the upper end of the rear end of the inner side surface portion 17. The upper end of the lower flange portion 18 is located at a distance from the lower end of the upper flange portion 14 toward the lower side of the vehicle.

[0023] Next, the lamp housing panel 30 will be described. The lamp housing panel 30 is a member extending in the vertical direction of the vehicle, and has through holes formed therein for attaching rear turn signal lamps 41. The lamp housing panel 30 is a member joined to the side body outer panel 10, and in this example, is joined to the upper flange portion 14 and the lower flange portion 18 of the side body outer panel 10 by spot welding. In addition, as shown in FIG. 3 , the lower portion of the lamp housing lamp is joined to the side portion of the rear skirt panel 38.

[0024] Next, the reinforcement 20 will be described. As shown in Figures 7 and 8, the reinforcement 20 of this embodiment is a member that extends in the vertical direction of the vehicle as a whole, and is joined by spot welding to the vehicle inner side of the side body outer panel 10 in a state where it is positioned so as to straddle the panel bending portion 11. The reinforcement 20 has a rear wall 21 (rear wall portion), an outer wall (outer wall portion) 23, and an inner wall (inner wall portion) 25.

[0025] The rear wall 21 has an upper joint portion 21a, a reinforcement bent portion 21b, a curved portion 21c, and a lower joint portion 21d. The upper joint portion 21a is a vertical wall that extends downward from the upper end of the reinforcement 20 when the reinforcement 20 is attached to the vehicle body, and has a wall surface facing the front and rear of the vehicle. The upper joint portion 21a is joined to the upper flange portion 14 of the side body outer panel 10 by spot welding. In this example, as shown in FIG. 5, the upper joint portion 21a has two weld points 22a, 22b, which are spaced apart in the vertical direction of the vehicle. Note that in FIG. 5, the contact points 22a, 22b, 22c are schematically shown as rectangles.

[0026] The reinforcement bent portion 21b is provided in the middle portion of the rear wall 21 in the vehicle up-down direction, and is bent so as to convex toward the rear of the vehicle. In this example, the reinforcement bent portion 21b is bent toward the front of the vehicle at the lower end of the upper joint portion 21a. The curved portion 21c is curved so as to bulge toward the front of the vehicle as it goes from the reinforcement bent portion 21b toward the bottom of the vehicle.

[0027] The lower joint portion 21d extends downward from the lower end of the curved portion 21c and, like the upper joint portion 21a, has wall surfaces facing the front and rear of the vehicle. In this example, the lower joint portion 21d is disposed at a distance toward the front of the vehicle relative to the upper joint portion 21a. The lower joint portion 21d is joined to the lower flange portion 18 of the side body outer panel 10 by spot welding. In this example, as shown in FIG. 5, the lower joint portion 21d has one weld point 22c.

[0028] In this embodiment, the upper joint portion 21a and the lower joint portion 21d are joined to the upper flange portion 14 and the lower flange portion 18, respectively, via the lamp housing panel 30. That is, as shown in FIGS. 10 and 12, the upper joint portion 21a, the lamp housing panel 30, and the upper flange portion 14 are joined in this order as a triplet, and similarly, the lower joint portion 21d, the lamp housing panel 30, and the lower flange portion 18 are joined in this order as a triplet. Note that in this example, the reinforcement bent portion 21b and the upper joint portion 21a of the reinforcement 20 are configured to abut against the lamp housing panel 30. This ensures a flat surface for spot welding.

[0029] As shown in FIG. 6, the outer wall 23 is a vertical wall disposed on the outer side of the reinforcement 20 in the vehicle width direction when the reinforcement 20 is attached to the vehicle body. As shown in FIGS. 6 to 8, the outer wall 23 is disposed downward from the reinforcement bend portion 21b, curves along the curved portion 21c, and further downward extends downward along the outer edge of the lower joint portion 21d. As shown in FIGS. 6 and 11, an outer joint portion 23a is provided in the lower part of the outer wall 23 at a portion corresponding to the lower joint portion 21d. The outer joint portion 23a is joined to the vehicle inner side of the inner surface portion 17 of the side body outer panel 10 by spot welding. In this example, the outer joint portion 23a has one weld point. Note that in FIG. 6, the outer joint portion 23a indicates the weld point.

[0030] The inner wall 25 is a vertical wall that is disposed on the inner side in the vehicle width direction of the reinforcement 20 when the reinforcement 20 is attached to the vehicle body. The inner wall 25 extends from the inner end in the vehicle width direction of the upper joint portion 21a, the reinforcement bent portion 21b, and the curved portion 21c to the vehicle beforeThe inner wall 25 protrudes toward the upper joint portion 21a and extends in the vertical direction of the vehicle. In this example, the inner wall 25 and the outer wall 23 are disposed opposite each other. The upper end of the outer wall 23 is disposed corresponding to the upper end of the upper joint portion 21a. The lower end of the outer wall 23 is disposed near the lower end of the reinforcement bend portion 21b. The inner wall 25 is provided with a plurality of holes (upper through-holes 25a and lower through-holes 25b), which can be used, for example, to fix the inner wall 25 to a jig for a robot arm during production.

[0031] The panel bend 11 of the side body outer panel 10 is a portion of the rear of the vehicle body where torsional rigidity is low. For example, when the rear of the vehicle body undergoes torsional deformation due to the action of a load, the panel bend 11 may become the starting point of bending if it receives a compressive load. In contrast, in this embodiment, by providing the reinforcement 20, the panel bend 11 has a structure with high rigidity against compressive / tensile loads generated by twisting of the vehicle body, and it is possible to suppress a decrease in torsional rigidity in the rear of the vehicle body. This makes it possible to obtain a vehicle body structure that is less likely to cause deterioration in handling performance, for example.

[0032] Furthermore, in vehicle body structures, strength and rigidity are improved by partially incorporating a sealer when joining panels or members. Furthermore, a waterproof effect is obtained by applying a sealer to the area where panels, etc. are joined. For example, if a crack occurs in a joint where a sealer is applied, water may seep in through the crack, potentially causing rust on the vehicle body. In this embodiment, by suppressing a decrease in the torsional rigidity of the vehicle body, it is possible to make cracks less likely to occur in a joint structure that uses a sealer. In other words, according to this embodiment, in addition to the strength and rigidity of the vehicle body structure, the waterproof effect can also be more stably maintained.

[0033] Furthermore, in a vehicle body having a back door opening 44, suppressing a decrease in torsional rigidity can suppress deformation of the back door opening 44. As a result, it is possible to suppress abnormal noise caused by contact between the back door 43 and the opening edge of the back door opening 44 when driving on rough roads, for example, when the left and right rear wheels alternately ride over bumps.

[0034] When the rear of the vehicle body undergoes torsional deformation, that is, due to the torsional rigidity mode at the rear of the vehicle body, a load acts in the vertical direction of the vehicle on the reinforcement 20. Because the reinforcement 20 is arranged so as to straddle the panel bend portion 11, the strength against the load acting in the vertical direction of the vehicle is increased.

[0035] For example, during torsional deformation, a compressive load acts on one of the left and right reinforcements 20, and a tensile load acts on the other reinforcement 20. When a compressive load acts on the reinforcement 20, the side body outer panel 10 tries to bend in the vehicle width direction, starting from the panel bend portion 11. On the other hand, the lamp housing panel 30 tries to bend towards the rear of the vehicle, starting from the panel bend portion 11.

[0036] Because the side body outer panel 10 and the lamp housing panel 30 are joined by spot welding, deformation of the panels can easily cause separation at the welding points. In contrast, in this embodiment, the inner wall 25 of the reinforcement 20 suppresses bending of the inner surface portion 17 of the side body outer panel 10, and the rear wall 21 of the reinforcement 20 suppresses bending of the lamp housing panel 30. Furthermore, because the inner wall 25 and the rear wall 21 are configured in an L-shape in a plan view, bending is less likely in the vehicle longitudinal direction and the vehicle width direction.

[0037] In this embodiment, as shown in FIG. 7 , a first angle A1 is formed on the vehicle front side of the reinforcement bend portion 21b of the reinforcement 20. The first angle A1 is an angle formed by the upper joint portion 21a and the curved portion 21c, and is an obtuse angle less than 180 degrees. The reinforcement bend portion 21b is disposed at a distance from the lamp housing panel 30 on the vehicle front side. On the other hand, a second angle A2 is formed on the vehicle front side of the panel bend portion 11 of the side body outer panel 10. The second angle A2 is an angle formed by the upper inclined portion 13 and the lower inclined portion 15, and is an obtuse angle less than 180 degrees. In this embodiment, the first angle A1 is set to be larger than the second angle A2. Note that in FIG. 7 , the contour shape of the panel bend portion 11 is virtually shown by a two-dot chain line.

[0038] By forming the panel bend portion 11 and the reinforcement bend portion 21b as described above, when the panel bend portion 11 of the side body outer panel 10 is subjected to a tensile load, the reinforcement 20 is first extended in the vehicle vertical direction. That is, the curved portion 21c and the like are deformed so as to be extended in the vehicle vertical direction. On the other hand, when the panel bend portion 11 is subjected to a compressive load, the reinforcement 20 is tensed, making it possible to maintain the shape of the step portion 16. As a result, deformation of the lower inclined portion 15, which forms the parting line, is suppressed, and it is possible to suppress the rear bumper 42 from shifting during driving.

[0039] As described above, the reinforcement 20 of this embodiment is provided with the inner wall 25. Providing the inner wall 25 improves the rigidity of the reinforcement 20 in the vertical direction of the vehicle. This makes it possible to more effectively prevent a decrease in the torsional rigidity of the vehicle body.

[0040] The description of the present embodiment is merely an example for explaining the present invention, and does not limit the invention described in the claims. Furthermore, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications are possible within the technical scope described in the claims.

[0041] In this embodiment, three welding points are provided on the rear wall 21 of the reinforcement 20, but this is not limited to this. When joining the rear wall 21 of the reinforcement 20 to the upper flange portion 14 and the lower flange portion 18, spot welding may be performed at more than three welding points. Similarly, when joining the outer wall 23 to the inner side surface portion 17, multiple welding points may be provided. [Explanation of symbols]

[0042] 10 Side body outer panel 10a Outer surface 11 Panel bending part 12 Rear end 13 Upper slope 14 Upper flange 15 Lower slope 16 Step 17 Inner side 18 Lower flange 20 Reinforcement 21 Rear wall (rear wall part) 21a Upper joint 21b Reinforcement bend 21c curved section 21d Lower joint 23 External wall (external wall part) 23a Outer joint part 23a 25 Inner wall (inner wall section) 25a Upper through hole 25b Lower through hole 30 Lamp housing panel 38 Rear skirt panel 41 Rear turn signal lamp 42 Rear bumper 43 Backdoor

Claims

1. a side body outer panel disposed on a side of a vehicle body; and a lamp housing panel to which a rear lamp is attached and which is joined to the side body outer panel, a panel bent portion that is convex toward the rear of the vehicle is provided at a rear end of an outer surface of the side body outer panel, and the rear lamp is disposed on the vehicle upper side of the panel bent portion, a step portion is provided at a rear portion of the side body outer panel, the step portion extending along an end portion of the outer surface located below the vehicle of the panel bend portion, and an outer portion in the vehicle width direction of a rear bumper provided at the rear of the vehicle is disposed along the step portion, A vehicle rear structure, characterized in that a reinforcement extending in the vehicle vertical direction is joined to the vehicle inner side of the side body outer panel so as to straddle the panel bend portion.

2. the side body outer panel has an upper flange portion that protrudes inward in the vehicle width direction from an end portion of the outer surface that is located on the vehicle upper side of the panel bend portion, an inner side surface portion that extends rearward in the vehicle from an inner end of the step portion in the vehicle width direction, and a lower flange portion that protrudes inward in the vehicle width direction from a rear end of the inner side surface portion, The reinforcement has a rear wall portion facing the rear of the vehicle and extending in the vehicle up-down direction, and an outer wall portion extending from an outer end of the rear wall portion in the vehicle width direction toward the front of the vehicle, the rear wall portion of the reinforcement is joined to the upper flange portion and the lower flange portion via the lamp housing panel, 2. The vehicle rear structure according to claim 1, wherein the outer wall portion of the reinforcement is joined to the vehicle inner side of the inner side surface portion.

3. A reinforcement bend portion that is bent so as to be convex toward the rear of the vehicle is provided at an intermediate portion of the rear wall portion of the reinforcement in the vehicle up-down direction, and a first angle is formed on the vehicle front side of the reinforcement bend portion, The reinforcement bent portion is disposed on a vehicle front side with a space therebetween with respect to the lamp housing panel, the rear wall portions located on the vehicle upper side and vehicle lower side of the reinforcement bend portion are joined to the upper flange portion and the lower flange portion via the lamp housing panel, respectively; 3. The vehicle rear structure according to claim 2, wherein the first angle is set to be larger than a second angle formed on the vehicle front side of the panel bent portion.

4. 4. The vehicle rear structure according to claim 2, wherein an inner wall portion extending in the vehicle vertical direction is provided at the vehicle width direction inner end of the rear wall portion of the reinforcement so as to face the outer wall portion.

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