JP7222225B2 - vehicle rear structure - Google Patents

Description

The present invention relates to a vehicle rear structure.

Patent Document 1 discloses a rear structure of a vehicle in which an inverter for controlling a drive motor is arranged. In this structure, the inverter is arranged between the floor panel and the deck board behind the rear seats of the vehicle. The inverter is fixed to the floor panel via brackets. Further, a tool box containing tools is arranged between the inverter and the deck board. The inverter is arranged below the central portion in both the longitudinal direction and the vehicle width direction of the toolbox. That is, the inverter is covered by the toolbox from the outside and rear side in the vehicle width direction. The toolbox is provided with a plurality of support legs that contact the bottom of the floor panel.

JP 2016-52854 A

By the way, in the rear part structure of the vehicle, there is a possibility that the tool box may interfere with the inverter by being displaced toward the inverter in the event of a rear-end collision of the vehicle.
These problems are not limited to inverters, but can also occur in other electric devices such as motors and batteries as long as they are covered by the toolbox from the outside or rear side in the vehicle width direction. is.

SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicle rear portion structure capable of suppressing interference between a toolbox and electrical equipment in the event of a vehicle collision.

A vehicle rear structure for achieving the above object is a vehicle rear structure comprising a toolbox provided adjacent to electrical equipment in a housing recess formed in a floor panel of the vehicle, the toolbox comprising: a first box provided between a side wall of the housing recess and the electric device; and a second box provided between the first box and the side wall, wherein the second box of the first box is provided. The upper surface of the portion on the side of box 2 is provided with a first slanted surface that is slanted upward as it approaches the electric device, and the second box faces the first slanted surface. and a second inclined surface along the first inclined surface.

According to this configuration, when a vehicle collides from the side of the second box with the electrical equipment as a reference, the impact force displaces the second box toward the side of the electrical equipment, and the second inclined surface of the second box moves toward the first box. is pressed against the first inclined surface of the Since the first slanted surface and the second slanted surface are slanted so that they are located upwards as they get closer to the electric device, an obliquely upward force along the first slanted surface acts on the second box. . Therefore, the second box is displaced obliquely upward along the first inclined surface. This reduces the force transmitted from the second box to the electrical equipment via the first box. Therefore, interference between the toolbox and electrical equipment can be suppressed.

According to the present invention, it is possible to suppress interference between the toolbox and the electrical equipment at the time of vehicle collision.

1 is a perspective view of a rear portion of a vehicle showing a first embodiment of a rear portion structure of a vehicle, with a luggage board partially cut away in the luggage compartment of the vehicle; FIG. FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. 1; FIG. 10 is a cross-sectional view illustrating a state in which an obstacle collides with the vehicle from the rear side, for explaining the operation of the embodiment; Sectional drawing corresponding to FIG. 2 in 2nd Embodiment. FIG. 11 is a diagram for explaining the operation of the second embodiment, and is a cross-sectional view showing a state in which an obstacle has collided with the vehicle from the rear side;

<First Embodiment>
A first embodiment of the vehicle rear structure will be described below with reference to FIGS. 1 to 3. FIG.
The vehicle rear portion structure of the present embodiment is applied to, for example, an electric vehicle having a drive motor (not shown). Hereinafter, the front-rear direction of the vehicle will simply be referred to as the front-rear direction, and the width direction of the vehicle will simply be referred to as the width direction.

As shown in FIG. 1, the vehicle of this embodiment is a so-called hatchback type vehicle having a back door (not shown) that opens and closes a rear opening 10a of the vehicle body. A cargo room 10 is provided behind the pair of rear seats 11 in the rear portion of the vehicle.

The luggage compartment 10 includes a pair of deck side trims 12 provided on both sides in the width direction, a luggage board 13 provided between the deck side trims 12 to form a floor surface, a roof (not shown), the back door, and the like. are divided by

A finish plate 14 that extends in the width direction and connects lower portions of the rear ends of the deck side trims 12 is provided at the lower edge of the rear opening 10a.
As shown in FIG. 2, a housing recess 30 is recessed downward in a portion of the vehicle floor panel 20 corresponding to the lower side of the luggage board 13 . The accommodation recess 30 has a bottom wall 21 and side walls 22 surrounding the entire periphery of the bottom wall 21 . A front bulging portion 31 is formed in the front portion of the housing recess 30 by bulging the bottom wall 21 downward. A rear bulging portion 32 is formed in the rear portion of the housing recess 30 in which the bottom wall 21 bulges downward from the front bulging portion 31 .

The rear bulging portion 32 has an inclined wall portion 23 that is located on the front side and is inclined upward toward the front side.
As shown in FIGS. 1 and 2, an inverter 40 for controlling the drive motor is arranged on the front side of the accommodation recess 30 . The inverter 40 is electrically connected to a drive motor and a battery (not shown) via a wire harness 41 . Note that the inverter 40 corresponds to the electrical equipment according to the present invention.

As shown in FIG. 2 , a pair of brackets 42 and 43 arranged side by side in the front-rear direction protrude from a portion of the bottom wall 21 corresponding to the front bulging portion 31 . Inverter 40 is supported by respective brackets 42 and 43 . More specifically, the inverter 40 has a rear portion supported by a rear bracket 43 and a front portion supported by a front bracket 42 extending upward from the bracket 43 . Therefore, the inverter 40 is supported in the housing recess 30 in an inclined posture so that the front portion is located upward.

Between the inverter 40 and the rear side wall 22a forming the rear portion of the side walls 22 of the housing recess 30, a tool box 50 is provided in which tools 100 mounted on the vehicle are stored. In addition, examples of the tool 100 of the present embodiment include a jack, a jack handle, a hub nut wrench, a traction hook, and the like.

The toolbox 50 includes a first box 60 provided between the rear side wall 22a and the inverter 40, and a second box 70 provided between the first box 60 and the rear side wall 22a. Therefore, the inverter 40 , the first box 60 , and the second box 70 are provided side by side in this order from the front side in the housing recess 30 . The first box 60 and the second box 70 are made of EPP (expanded polypropylene), for example.

As shown in FIGS. 1 and 2, the first box 60 supports a first box body portion 61 formed with a plurality of recesses 63 for individually accommodating a plurality of tools 100, and the first box body portion 61. It has the 1st support part 62 which carries out. The first support portion 62 protrudes downward from the rear end of the first box main body portion 61 and abuts on the central portion of the bottom wall 21 of the housing recess 30 .

As shown in FIG. 2 , the first box main body 61 covers the upper side of the inverter 40 and extends forward beyond the inverter 40 . A rear inclined surface 64 inclined along the upper surface of the inverter 40 is formed on the rear surface of the first box body portion 61 .

A first mounting surface 65 on which the luggage board 13 is mounted is provided on the upper surface of the first box 60 . On the upper surface of the first box 60 on the rear side of the first mounting surface 65 is a first inclined surface 66 which is located on the rear side of the inverter 40 and inclined upward toward the front side. It is provided over the entire vertical direction of the box 60 . The first inclined surface 66 is formed continuously with the first mounting surface 65 .

Although illustration is omitted, the first box 60 is fixed to the pair of brackets 42 and 43 on both sides in the width direction, and movement within the housing recess 30 is restricted.
The second box 70 has a second box body portion 71 formed with a plurality of recesses 73 for individually accommodating a plurality of tools 100, and a second support portion 72 for supporting the second box body portion 71. ing. The second support portion 72 protrudes downward from the rear end of the second box main body portion 71 and contacts the bottom portion of the rear bulging portion 32 .

A second mounting surface 75 on which the luggage board 13 is mounted is provided on the upper surface of the second box body portion 71 . When the tool box 50 is placed in the housing recess 30, the first mounting surface 65 of the first box 60 and the second mounting surface 75 of the second box 70 are positioned on the same plane. Therefore, the luggage board 13 is placed on both the first placement surface 65 and the second placement surface 75 .

The second box body portion 71 is provided with a second inclined surface 76 that faces the entire first inclined surface 66 of the first box 60 and that extends along the first inclined surface 66 . The second inclined surface 76 is formed continuously with the second mounting surface 75 .

The second support portion 72 is provided with a third inclined surface 77 facing the inclined wall portion 23 of the rear bulging portion 32 and along the inclined wall portion 23 .
At the upper part of the rear end of the second box main body part 71, a protruding part 78 protruding rearward is provided over substantially the entire width direction. A plurality of cylindrical engaging portions 78a projecting downward are provided on the lower surface of the protruding portion 78 at intervals in the width direction. In this embodiment, a total of three engaging portions 78a are provided at the central portion and both end portions of the projecting portion 78 in the width direction.

As shown in an enlarged view in FIG. 2, a plurality of engaging portions 78a are engaged with the portion adjacent to the rear side of the projecting portion 78 of the second box main body portion 71 in the lower portion of the finish plate 14. A hole 14a is formed. Each engagement hole 14a is a circular hole penetrating the lower part of the finish plate 14 along the vertical direction. The outer diameter of each engaging hole 14a is slightly larger than the outer diameter of each engaging portion 78a. Therefore, by engaging the engaging portions 78a with the engaging holes 14a, the longitudinal displacement of the second box 70 with respect to the finish plate 14 is restricted, while the upward movement of the second box 70 with respect to the finish plate 14 is prevented. displacement is allowed.

The operation of this embodiment will be described.
When the obstacle B collides from the rear side of the vehicle, the second box 70 is displaced forward along with the rear side wall 22a of the housing recess 30 and the finish plate 14 due to the impact force, and the second inclined surface 76 of the second box 70 is displaced. is pressed against the first inclined surface 66 of the first box 60 . Since the first slanted surface 66 and the second slanted surface 76 are slanted so that they are positioned upward toward the front, a diagonally forward upward force along the first slanted surface 66 acts on the second box 70 . do. Therefore, the second box 70 is displaced obliquely forward and upward along the first inclined surface 66 (action 1).

Substantially at the same time that the second inclined surface 76 of the second box 70 is pressed against the first inclined surface 66 of the first box 60 in the above manner, the third inclined surface provided on the second support portion 72 of the second box 70 77 is pressed against the inclined wall portion 23 of the rear bulging portion 32 . Since the slanted wall portion 23 and the third slanted surface 77 are slanted so as to be located upward toward the front side, a diagonally forward and upward force along the slanted wall portion 23 acts on the second box 70 . Therefore, the second box 70 is stably displaced diagonally forward and upward along both the first inclined surface 66 of the first box 60 and the inclined wall portion 23 of the rear bulging portion 32 ( Action 2).

Further, at the initial stage of the collision, since the displacement of the second box 70 in the longitudinal direction with respect to the finish plate 14 is regulated by the engaging portion 78a, the forward impact force acting on the finish plate 14 via the obstacle B is reduced. It becomes easier to transmit to the second box 70 . Therefore, the second slanted surface 76 and the third slanted surface 77 of the second box 70 are directed forward with respect to the first slanted surface 66 of the first box 60 and the slanted wall portion 23 of the housing recess 30, respectively, more securely. pressed against. As a result, the second box 70 can be easily displaced obliquely forward and upward along the first inclined surface 66 and the inclined wall portion 23 .

After the initial stage of the collision, as shown in FIG. 3, the second box 70 is allowed to move upward with respect to the finish plate 14 by the engagement portion 78a coming out of the engagement hole 14a of the finish plate 14 upward. be done. As a result, the second box 70 is further displaced diagonally forward and upward along the first inclined surface 66 of the first box 60 (action 3).

Effects of the present embodiment will be described.
(1) The tool box 50 includes a first box 60 provided between the rear side wall 22a of the housing recess 30 and the inverter 40 arranged on the front side in the housing recess 30, and a space between the first box 60 and the rear side wall 22a. and a second box 70 provided therebetween. A first inclined surface 66 is provided on the upper surface of the portion of the first box 60 on the second box 70 side so as to be inclined upward as it approaches the inverter 40 . The second box 70 is provided with a second inclined surface 76 facing the first inclined surface 66 and along the first inclined surface 66 .

According to such a configuration, the force transmitted from the second box 70 to the inverter 40 via the first box 60 is reduced because the first effect described above is achieved. Therefore, it is possible to suppress interference between the tool box 50 and the inverter 40 at the time of vehicle collision.

(2) The first inclined surface 66 is formed so as to continue to the first mounting surface 65 , and the second inclined surface 76 is formed so as to continue to the second mounting surface 75 .
According to such a configuration, the gap between the upper surface of the first box 60 and the upper surface of the second box 70 can be reduced while the tool box 50 is divided into a plurality of parts.

(3) The first inclined surface 66 is provided over the entire vertical direction of the first box 60 .
With such a configuration, there is nothing in the first box 60 that interferes when the second box 70 is displaced obliquely upward along the first inclined surface 66 . Therefore, the second box 70 is smoothly displaced along the first inclined surface 66 . As a result, the force transmitted from second box 70 to inverter 40 via first box 60 is further reduced, and interference between tool box 50 and inverter 40 in the event of a vehicle collision can be further suppressed.

(4) The rear bulging portion 32 of the housing recess 30 has an inclined wall portion 23 that is located on the front side and inclined upward toward the front side. is provided with a third inclined surface 77 facing the inclined wall portion 23 and along the inclined wall portion 23 .

According to such a configuration, since the above effect 2 is exhibited, the above effect (1) can be exhibited more reliably.
(5) The second box 70 is engaged with the finish plate 14 adjacent to the rear side of the second box 70 to restrict the longitudinal displacement of the second box 70 with respect to the finish plate 14, while An engagement portion 78a is provided that allows the second box 70 to be displaced upward.

According to such a configuration, since the above effect 3 is achieved, it is possible to further suppress interference between the tool box 50 and the inverter 40 at the time of vehicle collision.
<Second embodiment>
A second embodiment of the vehicle rear structure will be described below with reference to FIGS. 4 and 5. FIG.

In addition, in the present embodiment, the same reference numerals are assigned to the same configurations as in the first embodiment, and the reference numerals "**" of the first embodiment are replaced by "100" for configurations corresponding to the first embodiment. Duplicate description is omitted by adding "1**".

As shown in FIG. 4, the inverter 40, the first box 160, and the second box 170 are provided adjacent to each other in this order from the front side in the housing recess 30. As shown in FIG.
A portion of the upper surface of the first box 160 that is located on the rear side of the first mounting surface 165 and on the rear side of the inverter 40 is provided with a first inclined surface 166 that is inclined upward toward the front side. It is

The first inclined surface 166 is provided only on the upper portion of the first box main body portion 161 and is formed continuously with the first mounting surface 165 .
A protruding portion 167 that protrudes rearward is provided below the portion of the first box main body portion 161 where the first inclined surface 166 is provided. The upper surface of the projecting portion 167 continues to the rear edge of the first inclined surface 166 and extends substantially parallel to the first mounting surface 165 . In addition, the rear surface of the projecting portion 167 is inclined downward toward the front side.

The second box 170 projects forward from the second box main body 171 toward the first box 160 and has an overhanging portion 178 located above the projecting portion 167 of the first box main body 161 . . The upper surface of the projecting portion 178 forms part of the second mounting surface 175 . A second inclined surface 176 facing the first inclined surface 166 of the first box 160 and along the first inclined surface 166 is provided at the front end portion of the projecting portion 178 . The second inclined surface 176 is formed continuously with the second mounting surface 175 .

On the front surface of the second box main body 171, an upper slanted surface 171a and a lower slanted surface 171b, which face the rear surface of the projecting portion 167 of the first box main body 161 and are inclined downward toward the rear, are stepped. is provided through Therefore, a gap S is formed between the first box 160 and the second box 170 so that the front-to-rear gap increases toward the bottom.

The operation of this embodiment will be described.
When the obstacle B collides from the rear side of the vehicle, the second box 170 is displaced forward along with the rear side wall 22a of the housing recess 30 and the finish plate 14 due to the impact force, and the second inclined surface 176 of the second box 170 is displaced. is pressed against the first inclined surface 166 of the first box 160 . At this time, a gap S exists between the second box body portion 171 and the projecting portion 167 of the first box body portion 161 . Since the first slanted surface 166 and the second slanted surface 176 are slanted so that they are located upwards toward the front side, the projecting portion 178 of the second box 170 has a An oblique forward upward force acts. Therefore, the second box 170 is slightly displaced obliquely forward and upward along the first inclined surface 166 . In this way, even though the first inclined surface 166 is provided only on the top of the first box 160, the space S formed between the first box 160 and the second box 170 allows the Displacement of the second box 170 is allowed.

Immediately after this, the upper inclined surface 171 a of the second box main body portion 171 comes into contact with the projecting portion 167 as the second box 170 is displaced diagonally forward and upward.
Also, at this time, the third inclined surface 177 provided on the second support portion 172 of the second box 170 is pressed against the inclined wall portion 23 of the rear bulging portion 32 . Since the slanted wall portion 23 and the third slanted surface 177 are slanted so that they are positioned upward toward the front side, a force obliquely forward and upward along the slanted wall portion 23 acts on the second box main body portion 171 . do. As a result, the second box 170 is displaced obliquely forward and upward by the oblique forward upward force acting on the second box main body portion 171 while the upper inclined surface 171 a slides on the projecting portion 167 . At this time, the second box body portion 171 tries to be displaced obliquely upward along the inclination of the upper inclined surface 171a.

Here, since a gap S is formed between the first box main body portion 161 and the lower inclined surface 171b of the second box main body portion 171, the second box main body portion 171 is inclined to the upper inclined surface 171a. It is allowed to displace obliquely forward and upward along.

In addition, the inclination angle of the upper inclined surface 171a with respect to the front-rear direction is larger than the inclination angle of the second inclined surface 176, and is larger than the inclination angle of the second inclined surface 76 of the first embodiment. Therefore, the second box 170 of the second embodiment is displaced diagonally forward and upward at a larger angle of inclination than the second box 70 of the first embodiment.

Effects of the present embodiment will be described.
According to the vehicle rear portion structure according to the present embodiment, in addition to the effects (1), (2), (4) and (5) of the first embodiment, the following new effects can be obtained. .

(6) The second box 170 has a second box main body portion 171 and a protruding portion 178 that protrudes from the second box main body portion 171 toward the first box 160 . A second inclined surface 176 is formed on the projecting portion 178 . A gap S is formed between the first box 160 and the second box 170 to allow displacement of the second box 170 along a first inclined surface 166 provided in a part of the first box 160 in the vertical direction. It is

According to such a configuration, the degree of freedom in the shape of the first box 160 and the second box 170 can be increased because of the effects described above.
<Change example>
The above embodiment can be implemented with the following modifications. The above embodiments and the following modifications can be combined with each other within a technically consistent range.

- In 2nd Embodiment, the protrusion part 167 can also be abbreviate|omitted.
- In 1st, 2nd embodiment, the angle of each inclined surface can be changed suitably.
At least one engaging portion 78a (178a) and at least one engaging hole 14a of the second box 70 (170) need only be provided in the width direction.

・An engagement hole is provided in place of the engagement portion 78a (178a) of the second box 70 (170), and a projection that protrudes upward at the bottom of the finish plate 14 and engages with the engagement hole is provided. can also be provided.

- The inverter 40 may be arranged in the center in the width direction of the housing recess 30, or may be arranged on one side in the width direction. Alternatively, it may be arranged on the rear side in the housing recess 30 .

The first inclined surface 66 (166) and the second inclined surface 76 (176) as a whole need only be inclined so that they are positioned upward toward the front, and their surfaces are textured or the like. can be anything.

- As long as the toolbox comprises at least the first box and the second box, it may further comprise a box different from these.
In the above-described embodiment, an example of the rear portion structure of the vehicle when the obstacle B collides from the rear of the vehicle is illustrated, but the present invention can be applied to the case where the obstacle B collides from the side of the vehicle in the same manner. Applicable. For example, if the inverter, the first box, and the second box are arranged in this order from one side in the width direction in the housing recess 30, the collision of the obstacle B from the side of the second box with the inverter as a reference can be prevented in the above-described embodiment. Effects (1) to (6) can be obtained.

- The inclined wall portion 23 of the accommodation recess 30 can be omitted.
- The third inclined surface 77 (177) of the second support portion 72 (172) of the second box 70 (170) can be omitted.

- The rear bulging portion 32 of the housing recess 30 can be omitted. In this case, the second support portion 72 (172) of the second box 70 (170) can also be omitted.
- In the first embodiment, the first inclined surface 66 may be provided on a portion of the first box 60 in the vertical direction.

- The first inclined surface 66 does not have to be formed continuously with the first placement surface 65 . Also, the second inclined surface 76 does not have to be formed continuously with the second mounting surface 75 .
- The electric equipment which concerns on this invention is not limited to an inverter. Alternatively, for example, other electrical equipment such as a drive motor for a vehicle or a battery may be used.

- The present invention can be applied to a vehicle other than a hatchback type such as a sedan type.
- The present invention can also be applied to a so-called hybrid vehicle having both an internal combustion engine and a drive motor, and a fuel cell vehicle.

DESCRIPTION OF SYMBOLS 10... Luggage compartment 10a... Rear opening 11... Rear seat 12... Deck side trim 13... Luggage board 14... Finish plate 14a... Engagement hole 20... Floor panel 21... Bottom wall 22... Side wall, 22a Rear side wall 23 Inclined wall portion 30 Receiving recess 31 Front swelling portion 32 Rear swelling portion 40 Inverter 41 Wire harness 42 Bracket 43 Bracket 50, DESCRIPTION OF SYMBOLS 150... Tool box 60, 160... First box 61, 161... First box body part 62, 162... First support part 63, 163... Recessed part 64, 164... Backside inclined surface 65, 165... First placement surface 66, 166... First inclined surface 70, 170... Second box 71, 171... Second box main body 72, 172... Second support part 73, 173... Recess 75, 175... Second mounting surface 76, 176... Second inclined surface 77, 177... Third inclined surface 78, 178... Protruding part 78a, 178a... Engaging part 100... Tool 167... Protruding part, 171a... upper sloped surface, 171b... lower sloped surface, 178... projecting portion, B... obstacle, S... gap.

Claims (10)

A vehicle rear structure comprising a toolbox provided adjacent to electrical equipment in a housing recess formed in a floor panel of the vehicle, comprising:
The toolbox includes a first box provided between the side wall of the housing recess and the electrical device, and a second box provided between the first box and the side wall,
A first inclined surface is provided on an upper surface of a portion of the first box on the side of the second box, the first inclined surface being inclined so as to be located upward as the electrical equipment is approached,
The second box is provided with a second inclined surface facing the first inclined surface and along the first inclined surface ,
The accommodation recess has a bulging portion that bulges downward,
The bulging portion has an inclined wall portion that is positioned on the side of the electric device and that is inclined upward as it approaches the electric device,
A third inclined surface facing the inclined wall portion and along the inclined wall portion is provided at a lower portion of the second box,
vehicle rear structure. A vehicle rear structure comprising a toolbox provided adjacent to electrical equipment in a housing recess formed in a floor panel of the vehicle, comprising:
The toolbox includes a first box provided between the side wall of the housing recess and the electrical device, and a second box provided between the first box and the side wall,
A first inclined surface is provided on an upper surface of a portion of the first box on the side of the second box, the first inclined surface being inclined so as to be located upward as the electrical equipment is approached,
The second box is provided with a second inclined surface facing the first inclined surface and along the first inclined surface ,
When the front-rear direction of the vehicle is defined as the front-rear direction,
The first inclined surface is located on the rear side of the electric device and is inclined so as to be located upward toward the front side,
The second box is provided adjacent to the rear side of the first box,
The second box is engaged with the finish plate adjacent to the rear side of the second box to restrict the longitudinal displacement of the second box with respect to the finish plate, and the second box with respect to the finish plate. is provided with an engaging portion that allows upward displacement of the
vehicle rear structure. A vehicle rear structure comprising a toolbox provided adjacent to electrical equipment in a housing recess formed in a floor panel of the vehicle, comprising:
The toolbox includes a first box provided between the side wall of the housing recess and the electrical device, and a second box provided between the first box and the side wall,
A first inclined surface is provided on an upper surface of a portion of the first box on the side of the second box, the first inclined surface being inclined so as to be located upward as the electrical equipment is approached,
The second box is provided with a second inclined surface facing the first inclined surface and along the first inclined surface ,
The first box covers the electrical device from above and covers the electrical device from the second box side between the second box and the electrical device.
vehicle rear structure. The accommodation recess has a bulging portion that bulges downward,
The bulging portion has an inclined wall portion that is positioned on the side of the electric device and that is inclined upward as it approaches the electric device,
A third inclined surface facing the inclined wall portion and along the inclined wall portion is provided at the lower portion of the second box,
4. The vehicle rear structure according to claim 2 or 3 . When the front-rear direction of the vehicle is defined as the front-rear direction,
The first inclined surface is located on the rear side of the electric device and is inclined so as to be located upward toward the front side,
The second box is provided adjacent to the rear side of the first box,
The second box is engaged with the finish plate adjacent to the rear side of the second box to restrict the longitudinal displacement of the second box with respect to the finish plate, and the second box with respect to the finish plate. is provided with an engaging portion that allows upward displacement of the
The vehicle rear structure according to claim 3 . The accommodation recess has a bulging portion that bulges downward,
The bulging portion has an inclined wall portion that is positioned on the side of the electric device and that is inclined upward as it approaches the electric device,
A third inclined surface facing the inclined wall portion and along the inclined wall portion is provided at the lower portion of the second box,
The vehicle rear structure according to claim 5 . The upper surface of the first box and the upper surface of the second box are provided with a first mounting surface and a second mounting surface on which a luggage board is mounted, respectively,
The first inclined surface is formed continuously with the first placement surface,
The second inclined surface is formed so as to be connected to the second mounting surface,
The vehicle rear portion structure according to any one of claims 1 to 6 . The first inclined surface is provided over the entire vertical direction of the first box,
The vehicle rear portion structure according to any one of claims 1 to 7 . The first inclined surface is provided on a part of the first box in the vertical direction,
The second box has a box main body and a protruding portion that protrudes from the box main body toward the first box,
The second inclined surface is formed on the projecting portion,
A gap is formed between the first box and the second box to allow displacement of the second box along the first inclined surface.
The vehicle rear portion structure according to any one of claims 1 to 7 . When the front-rear direction of the vehicle is defined as the front-rear direction,
The electric device is arranged on the front side in the housing recess,
The first inclined surface is located on the rear side of the electric device and is inclined so as to be located upward toward the front side,
The second box is provided adjacent to the rear side of the first box,
The vehicle rear portion structure according to any one of claims 1 to 9 .

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