WO2022044466A1

WO2022044466A1 - Rear structure of vehicle

Info

Publication number: WO2022044466A1
Application number: PCT/JP2021/020613
Authority: WO
Inventors: 崇哲平田; 聖也加藤
Original assignee: トヨタ車体株式会社
Priority date: 2020-08-25
Filing date: 2021-05-31
Publication date: 2022-03-03
Also published as: JP7347370B2; JP2022037411A

Abstract

This rear structure of a vehicle (2) comprises: a rear bumper (5) which extends in the vehicle width direction; and a protruding section (20) which is disposed so as to hit against an air stream generated under the vehicle during traveling. The rear bumper (5) has a vertical wall section (7) which constitutes a part thereof and which extends in the height direction of the vehicle, and the protruding section (20), which slants further downward with an increase in the rearward distance, is provided to a portion of the vertical wall section (7) that faces rearward of the vehicle on the rear end side of the vehicle (2).

Description

Rear structure of the vehicle

The present disclosure relates to a rear structure of a vehicle including a rear bumper extending in the vehicle width direction and a protrusion provided so as to hit an air flow generated on the lower side of the vehicle during traveling.

In this type of vehicle, the air flow generated under the vehicle during running may wind up behind the vehicle. Such winding up of the air flow creates a negative pressure region on the rear side of the vehicle, and thus acts to pull the vehicle backward. Therefore, it is desirable that the air flow winds up at a position as far away from the vehicle as possible in consideration of the aerodynamic performance of the vehicle such as air resistance. For example, in the vehicle lower structure disclosed in Japanese Patent Application Laid-Open No. 2011-57147, an undercover is arranged on a floor panel located on the floor surface of the vehicle, and the undercover is arranged between the rear tire and the rear bumper in the front-rear direction of the vehicle. Has been done. A plurality of plate-shaped rectifying fins extending in the front-rear direction of the vehicle are formed in the front portion of the undercover, and a bank-shaped protrusion extending in the vehicle width direction is formed in the rear portion of the undercover. In the known technique, the air flow generated on the lower side of the vehicle is rectified by each rectifying fin, and then guided downward and backward of the vehicle by a protrusion. By guiding the air flow generated under the vehicle downward and backward in this way, it is possible to cause the air flow to wind up at a position as far as possible from the vehicle.

In the field of vehicles, it is desired to secure various performances related to vehicles in addition to ensuring the above-mentioned aerodynamic performance. For example, in known technology, a protrusion is projected on the undercover located on the lower surface of the vehicle, so care must be taken to prevent unintended contact between the protrusion and the road surface (or an object above it) as much as possible. Must be. In addition, when the air flow is directed downward by the protrusion, it should be avoided as much as possible from the viewpoint of ensuring running stability such as a feeling of ground contact that the air flow acts to raise the vehicle (especially the lower surface of the vehicle). Is. However, it is conceivable to secure the clearance between the undercover and the road surface by increasing the vehicle height, but this may impose certain restrictions on the vehicle design. Therefore, an improved vehicle rear structure is needed.

According to the first aspect of the present disclosure, the rear structure of the vehicle includes a rear bumper extending in the vehicle width direction and a protrusion provided to hit the air flow generated under the vehicle during traveling. In this type of configuration, it is desirable to be able to control the airflow generated under the vehicle during traveling while ensuring various performances of the vehicle. Therefore, the rear bumper on this side has a vertical wall portion that forms a part thereof and extends in the height direction of the vehicle, and the vertical wall portion that faces the rear of the vehicle on the rear end side of the vehicle gradually decreases toward the rear. Is provided with an inclined protrusion. On this side surface, the air flow generated on the lower side of the vehicle during traveling is controlled to be guided downward and backward along the protruding portion provided on the vertical wall portion of the rear bumper. By providing the protruding portion on the rear bumper side instead of the lower surface of the vehicle in this way, it is possible to avoid unintended contact between the protruding portion and the road surface or the like as much as possible. Further, the protruding portion inclined downward and rearward controls the air flow in the vicinity of the vertical wall portion located on the rear end side of the vehicle, so that the floating of the vehicle due to this air flow can be avoided as much as possible. According to this aspect, it is possible to control the air flow generated under the vehicle during traveling while ensuring various performances of the vehicle.

According to the second aspect of the present disclosure, the lower end portion of the protruding portion is arranged at a position lower than the lower end portion of the vertical wall portion. On this side surface, since the lower end portion of the protruding portion is arranged at a position lower than the vertical wall portion, the air flow generated under the vehicle during traveling can be more reliably guided downward and backward. According to this aspect, the air flow can be controlled more reliably.

According to the third aspect of the present disclosure, in a plan view of the rear of the vehicle, a protrusion extending in the vehicle width direction is arranged between a pair of rear tires of the vehicle. On this side surface, by arranging the protrusions extending in the vehicle width direction continuously or intermittently between the rear tires where the air flow is likely to wind up, the configuration further contributes to ensuring the aerodynamic performance of the vehicle. According to this aspect, the air flow can be controlled more appropriately.

According to the fourth aspect of the present disclosure, the rear bumper is provided with an exterior material forming a part thereof, and the protrusion is integrated with the exterior material provided on the outer surface of the vertical wall portion. Since the protruding portion of the present disclosure is integrated with the exterior material of the rear bumper, it has excellent rigidity and workability for mounting on a vehicle. According to this aspect, it is possible to control the air flow generated on the lower side of the vehicle during traveling while providing the vehicle with a protruding portion with good performance.

It is a schematic plan view which looked at the rear part of a vehicle from the rear. It is a schematic side view of the rear part of a vehicle. It is a schematic plan view of the rear bumper, the protrusion, and the floor pan behind the vehicle. FIG. 3 is a sectional view taken along line IV-IV of FIG. It is a perspective view which shows a part of a rear bumper by disassembling. FIG. 3 is a sectional view taken along line VI-VI of FIG. It is a schematic enlarged side view of the rear part of a vehicle at the time of traveling.

Hereinafter, a mode for carrying out the present disclosure will be described with reference to FIGS. 1 to 7. For convenience, each figure appropriately shows arrow lines indicating the front-rear direction, the left-right direction, and the up-down direction of the vehicle. Further, in FIGS. 3 to 6, the arrow lines indicating the front-rear direction, the left-right direction, and the up-down direction of the rear bumper are appropriately illustrated with reference to the state in which the rear bumper or the like is arranged in the vehicle. In the following description, the vertical direction in each figure corresponds to the height direction of the vehicle, and the left-right direction corresponds to the vehicle width direction.

[Overview of the rear of the vehicle]
First, the outline of the rear part of the vehicle 2 will be described by taking the minivan type vehicle 2 shown in FIG. 1 as an example. In this vehicle 2, the door opening 3 formed on the rear surface thereof is configured to be openable and closable by the back door 4. A rear bumper 5 as an impact mitigation device is provided below the back door 4. The rear bumper 5 extends in the left-right direction (vehicle width direction) so as to cross between the pair of left and right

rear tires

2a and 2b in a plan view of the rear of the vehicle in FIG.

The rear bumper 5 shown in FIGS. 1 to 3 includes a bumper reinforce (not shown) extending in the left-right direction, a bumper absorber (not shown) which is a shock absorber attached to the bumper reinforce, a bumper cover 6, and a rear spoiler 9. It is composed of and. The bumper cover 6 is a plate-shaped member that covers the bumper reinforce and the bumper absorber from the rear side and the left and right sides. The bumper cover 6 is a flat surface when viewed upward from a vertical wall portion 7 extending in the vertical direction (vehicle height direction) and side

vertical wall portions

7x, 7y bent forward on the left and right sides of the vertical wall portion 7. It is formed in an approximately U-shape. The vertical wall portion 7 is arranged so as to face the rear of the vehicle on the rear end side of the vehicle 2 with reference to FIGS. 3 and 4, and substantially crosses the lower portion of the rear surface of the vehicle 2 to the left and right.

Further, a rear spoiler 9 as an exterior material is attached and integrated to the lower part of the outer surface (rear surface) of the vertical wall portion 7 shown in FIGS. 3 and 4. The rear spoiler 9 is a resin exterior material extending in the left-right direction, and substantially crosses the vertical wall portion 7 in the left-right direction. A decorative garnish 11 is attached to the lower part of the rear spoiler 9. The garnish 11 is a plate material formed in a substantially trapezoidal shape in a plan view, and is formed long in the left-right direction so as to be arranged between the left and right

rear tires

2a and 2b. Then, as shown in FIG. 4, by assembling the garnish 11 to the rear spoiler 9, the outer surface 11a of the garnish 11 and the outer surface 9a of the rear spoiler 9 are in a continuous state so as to form a substantially trapezoidal shape and project to the rear of the vehicle. ..

Here, with reference to FIGS. 5 and 6, the mounting state of the rear spoiler 9 and the garnish 11 with respect to the rear bumper 5 will be described. The portion of the rear spoiler 9 from the upper edge to the left and right side edges is in contact with the vertical wall portion 7 via the weather strip WS, and is attached to the vertical wall portion 7 via a cannuki clip or the like (not shown) in this state. There is. Further, a long assembling recess 10 is provided in the lower portion of the rear spoiler 9 in the left-right direction, and the garnish 11 is assembled in the assembling recess 10. The assembly recess 10 is provided with a plurality of engagement holes H1 for locking the garnish 11 at appropriate positions in the left-right direction thereof (in FIG. 5, for convenience, a common reference numeral H1 is provided for each engagement hole. Attached). Further, on the lower edge of the garnish 11, a plurality of engaging pieces 12 are provided at positions corresponding to the engaging holes H1. Therefore, the garnish 11 is fitted into the assembly recess 10 of the rear spoiler 9, each engaging piece 12 is inserted and engaged with the corresponding engaging hole H1, and these (9, 11) are screwed at appropriate positions in the left-right direction. It is installed via BS.

In the vehicle 2 described above, the airflow generated below the vehicle may wind up behind the vehicle during traveling shown in FIG. 7, and if no measures are taken, the airflow may wind up near the vehicle (FIG. 7). See Air Flow (AF) Flow, Shown by Two Dashed Lines in 7.). Therefore, in the rear structure of the vehicle 2 of the present embodiment, from the viewpoint of ensuring aerodynamic performance, the air flow on the lower side of the vehicle 2 during traveling is controlled by the protrusion 20 described later. In this type of configuration, it is desired to secure the aerodynamic performance of the vehicle 2 as well as various performances (for example, the mountability of the protruding portion and the running stability of the vehicle). Therefore, in this embodiment, it is decided to control the air flow generated under the vehicle 2 during traveling while ensuring various performances of the vehicle 2 by the configuration described later. Hereinafter, the configuration of the protrusion 20 and its function will be described in detail.

[Protruding part]
The protrusions 20 shown in FIGS. 1 to 3 are fin-shaped members that control their orientation by hitting the air flow generated on the lower side of the vehicle 2 during traveling, and are formed on the vertical wall portion 7 of the bumper cover 6 described above. It is provided. As shown in FIGS. 3 to 5, the protruding portion 20 is integrally molded with the rear spoiler 9 as an exterior material, and is attached to the vertical wall portion 7 together with the rear spoiler 9. That is, as shown in FIG. 4, the protruding portion 20 is integrated with the lower end of the rear spoiler 9 at the upper end thereof, and in a state where the rear spoiler 9 is attached to the vertical wall portion 7, the vicinity of the lower end of the vertical wall portion 7 (corner portion 7a described later). It is provided in the vicinity). Further, the protruding portion 20 is formed to be long in the left-right direction as shown in FIGS. 3 and 5, and has substantially the same dimensions in the left-right direction as the assembly recess 10 of the rear spoiler 9. Then, by attaching the rear spoiler 9 to the vertical wall portion 7, the protruding portion 20 integrated with the rear spoiler 9 is arranged substantially continuously between the left and right

rear tires

2a and 2b in a plan view of the rear of the vehicle. In this way, since the protruding portion 20 is mounted integrally with the rear spoiler 9 on the vertical wall portion 7, no mounting member or the like for the protruding portion is required, and the projecting portion 20 has excellent mounting workability for the vehicle 2.

The protruding portion 20 shown in FIG. 4 is gradually inclined downward toward the rear with respect to the vertical wall portion 7 of the bumper cover 6 so as to hit the air flow on the lower side of the vehicle 2. The front surface 21 of the protrusion 20 is an inclined surface that linearly inclines backward and downward at an angle θ with respect to a vertical virtual line, and as will be described later, the air flow on the lower side of the vehicle 2 is downward and downward. It is possible to lead to the rear. Further, the lower surface 22 forming the lower end portion of the protruding portion 20 extends substantially horizontally in the front-rear direction, and it is possible to guide the air flow linearly toward the rear as described later.

[Dimensions of the protruding part (positions of the lower end and the rear end of the protruding part)]
Here, with reference to FIGS. 4 and 7, the downward protrusion dimension of the protrusion 20 with respect to the vertical wall portion 7 is not particularly limited as long as it hits the air flow on the lower side of the vehicle 2, but is typically the protrusion. It can be set in consideration of the angle θ of 20 and the vehicle type. For example, near the lower end of the vertical wall portion 7, a corner portion 7a that gradually bends forward as it goes downward is provided, and the corner portion 7a is arranged at a position higher than the floor pan 2f forming the lower surface of the vehicle. Further, the corner portion 7a is continuous with the bottom wall portion 8 facing the road surface, and the leading edge of the bottom wall portion 8 is arranged at the lowermost end position HT1 so as to form the lower end portion of the vertical wall portion 7. .. Therefore, by arranging the lower surface 22 forming the lower end portion of the protruding portion 20 at a position (HT2) lower than the lowermost lower end position HT1 of the bottom wall portion 8 (lower end portion) of the vertical wall portion 7, the protruding portion 20 can be further arranged. It can be provided so as to surely hit the air flow. In this embodiment, the protruding portion 20 is provided not on the floor pan 2f forming the lower surface of the vehicle but on the vertical wall portion 7 of the rear bumper 5 located above the floor pan 2f. Therefore, it is possible to provide the protruding portion 20 having an appropriate protruding dimension while avoiding unintended contact with the road surface or the like as much as possible, which contributes to ensuring the excellent mountability of the protruding portion 20. At this time, by arranging the lower surface 22 of the protrusion 20 at the same position as or higher than the lowermost lower end position HT0 of the vehicle lower surface (floor pan 2f in each figure), the protrusion 20 and the road surface or the like are unintentionally contacted. Can be avoided more reliably. The dimensions of the protrusion 20 in the front-rear direction shown in FIG. 4 are not particularly limited as long as the air flow can be controlled, but the rear end position (L1) of the protrusion 20 is the rear end position (L0) of the rear bumper 5. It can be set in consideration. For example, the rear end position (L1) of the protrusion 20 is set at the same position as the rear end position (L0) of the rear bumper 5 or in front of it. With such a setting, the rear bumper 5 can receive an external force applied to the vehicle 2 from the rear, and the deformation of the protruding portion 20 due to this external force can be suppressed. In this embodiment, the outer surface 11a of the garnish 11 of the rear spoiler 9 (exterior material) is arranged at the rear end position (L0) of the rear bumper 5, and the cover portion described later is arranged at the rear end position (L1) of the protruding portion 20. The lower part of 30 is arranged.

[Rigidity of protrusion]
Further, the protruding portion 20 shown in FIG. 4 has excellent rigidity because it is integrated with the rear spoiler 9 as described above. Further, referring to FIGS. 4 and 6, the projecting portion 20 is provided with a backing plate portion 24 capable of contacting the vertical wall portion 7 as a reinforcing structure thereof. The backing plate portion 24 is a portion that forms the upper end of the protruding portion 20 and projects forward, and is formed along the corner portion 7a provided at the lower portion of the vertical wall portion 7. Then, for example, when the projecting portion 20 receives a force from the rear during a car wash, the backing plate portion 24 comes into surface contact with the corner portion 7a to support the projecting portion 20. Further, referring to FIGS. 5 and 6, a plurality of vertical wall-shaped rib portions 25 are formed on the rear surface 23 of the protruding portion 20, and the protruding portions 20 are reinforced by each rib portion 25 (in FIG. 5). , For convenience, a reference numeral 25 corresponding to only one rib portion is attached). A plurality of locking holes H2 capable of locking the cover portion 30 for design, which will be described later, are provided on the upper side of each rib portion 25 at appropriate intervals in the left-right direction (in FIG. 5, for convenience). A common reference numeral H2 is attached to each locking hole).

Then, referring to FIGS. 4 to 6, a cover portion 30 is attached and integrated on the rear side of the protruding portion 20 from the viewpoint of ensuring the design. The cover portion 30 is a plate material that covers the protruding portion 20 from the rear, and has dimensions that can cover the rear surface 23 of the protruding portion 20. The cover portion 30 is formed in a gently curved shape with a concave front in a cross-sectional view, and the lower edge side and the upper end side thereof are locked at appropriate positions of the protruding portion 20. That is, as shown in FIG. 6, the lower edge claw 32 provided in a folded shape on the lower edge of the cover portion 30 is locked to the front side of the lower surface 22 of the protruding portion 20. Further, a plurality of upper edge claws 33 projecting forward are provided on the upper edge of the cover portion 30, and each upper edge claw 33 is inserted into and locked to the corresponding locking hole H2 of the projecting portion 20 ( In FIG. 5, for convenience, a reference numeral 33 corresponding to only one upper edge claw is attached). As shown in FIG. 5, the left end side and the right end side of the cover portion 30 are stably attached to the protruding portion 20 integrated with the rear spoiler 9 via the screw BS. By covering the rear surface 23 of the projecting portion 20 with the separate cover portion 30 in this way, the rear surface design of the projecting portion 20 can be expressed, and it is possible to give an appearance like an aero part, for example. Further, in the configuration in which the cover portion 30 secures the design, the shape and dimensions of the protrusion 20 can be set with an emphasis on aerodynamic performance, and a reinforcing structure such as the rib portion 25 can be formed without considering the design. .. Since the cover portion 30 is arranged so as to hide the lower surface side (floor pan 2f, etc.) of the vehicle 2 from the rear as shown in FIGS. 1 to 3, the design of the vehicle 2 when viewed from the rear is also good. Can be improved.

[Function of protrusion]
In the rear part of the vehicle 2 during traveling shown in FIG. 7, from the viewpoint of ensuring aerodynamic performance, the protruding portion 20 controls the air flow on the lower side of the vehicle 2 so as to direct downward and backward (solid line in FIG. 7). Refer to the air flow AF flow shown in (). In this type of configuration, it is desired to secure various performances as well as to secure the aerodynamic performance of the vehicle 2. Therefore, the rear bumper 5 shown in FIG. 4 has a vertical wall portion 7 that forms a part thereof and extends in the height direction of the vehicle 2, and the vertical wall portion 7 facing the rear of the vehicle on the rear end side of the vehicle 2 has a vertical wall portion 7. A protrusion 20 is provided that gradually inclines downward toward the rear. According to such a configuration, the air flow AF generated on the lower side of the vehicle 2 shown in FIG. 7 hits the protruding portion 20 located on the rear end side of the vehicle 2 after passing under the floor pan 2f. Then, the air flow AF is guided backward and downward along the front surface 21 of the protrusion 20, and further flows linearly toward the rear along the lower surface 22 of the protrusion 20. By guiding the air flow AF backward and downward by the protrusion 20 in this way, it is possible to cause the winding of the air flow AF at a position as far as possible from the vehicle 2 as shown by the solid line in FIG. Therefore, the configuration contributes to ensuring the aerodynamic performance of the vehicle 2. Then, in the present embodiment, the protruding portion 20 inclined downward and backward controls the airflow AF in the vicinity of the vertical wall portion 7 located on the rear end side of the vehicle 2. In this way, the airflow AF acts to lift the vehicle 2 by quickly flowing the airflow AF to the rear of the vehicle while controlling the airflow AF so as not to be excessively guided downward by the protrusion 20 having an appropriate shape. It can be avoided as much as possible. Further, it is possible to prevent the air flow AF that winds up from hitting the back door 4 as much as possible, and it is possible to suppress the adhesion of dirt to the back door 4 caused by this air flow AF. In this embodiment, by providing the protruding portion 20 on the vertical wall portion 7 of the rear bumper 5 as described above, it is possible to avoid unintended contact between the protruding portion 20 and the road surface or the like when the vehicle 2 is traveling. It has become.

Further, in the rear part of the vehicle 2, since there is nothing that obstructs the air flow between the left and right

rear tires

2a and 2b shown in FIG. 3, the air flow is relatively likely to wind up. Therefore, in this embodiment, the protrusions 20 extending in the left-right direction are provided substantially continuously between the left and right

rear tires

2a and 2b where the air flow tends to wind up. The protruding portion 20 keeps the air flow between the

rear tires

2a and 2b away from the vehicle 2 to ensure aerodynamic performance, thereby achieving an excellent fuel efficiency improving effect.

As described above, in the rear structure of the vehicle 2 of the present embodiment, the air flow generated on the lower side of the vehicle 2 during traveling is downward along the protruding portion 20 provided on the vertical wall portion 7 of the rear bumper 5. Moreover, it is controlled to lead to the rear. By providing the protruding portion 20 on the rear bumper 5 side instead of the lower surface of the vehicle in this way, it is possible to avoid unintended contact between the protruding portion 20 and the road surface or the like as much as possible. Further, the protruding portion 20 inclined downward and rearward controls the air flow in the vicinity of the vertical wall portion 7 located on the rear end side of the vehicle 2, so that the floating of the vehicle 2 due to this air flow can be avoided as much as possible. .. Therefore, according to the present embodiment, it is possible to control the air flow generated on the lower side of the vehicle 2 during traveling while ensuring various performances of the vehicle 2.

Further, in this embodiment, since the lower surface 22 (lower end portion) of the projecting portion 20 is arranged at a position lower than the vertical wall portion 7, the air flow generated under the vehicle 2 during traveling is more reliably lowered and lowered. Can be guided backwards. Further, in the present embodiment, the protrusions 20 extending in the vehicle width direction are continuously arranged between the

rear tires

2a and 2b where the air flow tends to wind up, which further contributes to ensuring the aerodynamic performance of the vehicle 2. Will be. Since the protruding portion 20 of this embodiment is integrated with the rear spoiler 9 (an example of the exterior material) of the rear bumper 5, it has excellent rigidity and excellent mounting workability for the vehicle 2 as compared with the case where it is a separate body. have.

The rear structure of the vehicle 2 of the present embodiment is not limited to the above-described embodiment, and various other embodiments may be adopted. In the present embodiment, the configuration (shape, dimensions, arrangement position, number of arrangements, etc.) of the protrusion 20 is illustrated, but the purpose is not to limit the configuration of the protrusion. For example, the protruding portion can be provided at an appropriate height position of the vertical wall portion, and is not necessarily provided near the corner portion (lower end of the vertical wall portion). Further, the protruding portion may have a shape capable of guiding the air flow downward and backward, and the front surface thereof may have various shapes such as a curved surface and a stepped surface in addition to the inclined surface. Further, the protruding dimension of the protruding portion can be changed as appropriate, and the protruding portion may protrude slightly downward from the lower surface of the vehicle. Further, the front and rear dimensions of the protruding portion can be changed as appropriate, and the rear end position does not necessarily have to be set in consideration of the rear end position of the rear bumper, and may be set behind the rear bumper. Further, the lower surface of the protruding portion may be gently inclined backward and downward with respect to the front surface, in addition to the case where the lower surface is oriented in the front-rear direction, and may be omitted if necessary. When the lower surface is omitted from the protruding portion, the lower end of the front surface thereof becomes the lower end portion. Further, as the reinforcing structure of the protruding portion, various structures such as a thick portion can be adopted in addition to the backing plate portion and the rib portion, and at least one of them can be omitted if necessary. Further, the protruding portion may or may not have a separate cover portion. In addition to the case where the protrusions are continuously formed between the rear tires, the protrusions can be formed intermittently, and a plurality or a single protrusion can be provided mainly at a place where the air flow is likely to wind up. ..

Further, in the present embodiment, the configuration of the rear bumper 5 is illustrated, but the purpose is not to limit the configuration of the rear bumper. For example, as the exterior material of the rear bumper, in addition to the rear spoiler, members such as garnish and aero parts can be exemplified, and it is possible to provide protrusions on various exterior materials. The protruding portion may be integrally molded with the exterior material, or may be attached to the rear bumper and integrated by a method such as joining, gluing, or fastening. Further, various vehicles can be assumed as the vehicle, and the configuration of this embodiment can be applied not only to a minivan type vehicle but also to a vehicle such as a pickup vehicle without a back door.

The various examples described above are representative examples of the present disclosure and do not limit the present disclosure. The detailed description is intended to teach one of ordinary skill in the art in order to create, use and / or implement various aspects of the teaching, and does not limit the scope of the present disclosure. In addition, each of the additional features and teachings described above may be applied and / or used separately or in conjunction with other features and teachings to provide an improved vehicle rear structure.

Claims

The rear structure of the vehicle
It has a rear bumper that extends in the width direction of the vehicle and a protrusion that is provided so as to hit the air flow generated under the vehicle during traveling.
The rear bumper has a vertical wall portion that forms a part thereof and extends in the height direction of the vehicle, and the vertical wall portion that faces the rear of the vehicle on the rear end side of the vehicle is gradually lowered toward the rear. The rear structure of the vehicle provided with the inclined protrusion.
The rear structure of the vehicle according to claim 1, wherein the lower end portion of the protruding portion is arranged at a position lower than the lower end portion of the vertical wall portion.
The rear structure of a vehicle according to claim 1 or 2, wherein the protrusion extending in the vehicle width direction is arranged between a pair of rear tires of the vehicle in a plan view of the rear of the vehicle.
The rear bumper is provided with an exterior material forming a part thereof, and the projecting portion is integrated with the exterior material provided on the outer surface of the vertical wall portion according to claims 1 to 3. The rear structure of the vehicle according to any one.