JP2012171528A - Power unit peripheral structure of electric automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To protect an electrode terminal installing part from the external world, by preventing slipping-out of a high voltage cable or the like by vertical directional motion by a torque variation in a power unit, by surely installing the high voltage cable or the like, by simplifying attaching-detaching work of the high voltage cable or the like.SOLUTION: The power unit 4 is mounted in the rear of a vehicle, a common shaft of a motor 2 and a reduction gear 3 is arranged in the vehicle width direction, a rear floor 7 is higher in a rear part 7b than a front part 7a and has an upward inclined face part 7c between the front-rear parts, a unit front part is suspended by the front part 7a of the rear floor 7, a unit rear part is suspended by the rear part 7b of the rear floor 7, a work opening part 9 to the electrode terminal installing part 16 is arranged above the motor 2 of the rear floor 7, a terminal arranging surface 15 is arranged in an upper part of the motor 2, the arranging surface 15 is an inclined face of a front surface 15a, an upper surface 15b and a rear surface 15c, and is formed in a trapezoidal shape of contacting with an outer shell circumferential part 2a of the motor 2, the terminal installing part 16 is arranged on the front face 15a and the upper surface 15b, the high voltage cable 17 is fastened in a terminal part cover 18 to a right side surface 16a of the terminal installing part 16, and the terminal part cover 18 is covered with an upper side motor cover 21.

Description

  The present invention relates to a peripheral structure of a power unit mounted on the rear side of an electric vehicle.

  In recent years, in consideration of the global environment, an electric vehicle (EV) that travels by a driving force of a motor (electric motor) is provided along with a gasoline engine vehicle. Therefore, a power unit including a motor and a speed reducer is mounted on the rear side of the electric vehicle.

  Among such power units, some motors are provided with a motor electrode terminal mounting portion, a hose mounting portion for a cooling water hose, and the like, and have a relatively large capacity and a large weight. Therefore, in an electric vehicle, a power unit is mounted by providing a special structure with increased rigidity at the lower part of the vehicle body such as a rear floor (see, for example, Patent Documents 1 to 4).

Japanese Patent No. 4508260 JP 2008-2222032 A JP 2008-195259 A JP 2003-72392 A

However, in the above-described structure in which the power unit in the conventional electric vehicle is mounted, since a motor or the like is installed at the lower part of the vehicle body such as the rear floor, the high voltage cable and the cooling water hose are attached to and detached from the motor electrode terminal attachment part and the hose attachment part. There is a problem that the work becomes complicated and the high voltage cable and the cooling water hose cannot be reliably attached.
Further, the high voltage cable and the cooling water hose were easily detached from the motor electrode terminal mounting portion and the hose mounting portion due to the rotation (swing) in the vertical direction (the vehicle vertical direction) due to the torque fluctuation of the power unit during driving or deceleration.
Furthermore, since the motor electrode terminal mounting portion of the motor is exposed to the outside, there is a possibility that the motor electrode terminal mounting portion may be damaged by a stepping stone, a curbstone, or the like during traveling.

  The present invention has been made in view of such a situation, and the purpose thereof is to easily attach and detach the high voltage cable and the cooling fluid supply hose to the motor electrode terminal attachment portion and the hose attachment portion. The cable and supply hose can be securely attached, and the high-voltage cable and supply hose can be disconnected from the motor electrode terminal attachment part and hose attachment part due to the vertical movement caused by the torque fluctuation of the power unit during driving and deceleration. An object of the present invention is to provide a power unit peripheral structure for an electric vehicle that can effectively prevent and protect a motor electrode terminal mounting portion from a stepping stone in the outside world.

  In order to solve the above-described problems of the prior art, in the present invention, a power unit including a motor and a speed reducer is mounted at the rear of the vehicle, and a common shaft for the motor and the speed reducer is disposed in the vehicle width direction. The rear floor of the rear of the vehicle is arranged with the rear part higher than the front part, and has a slope part extending upward toward the rear of the vehicle between the front part and the rear part, and the front part of the power unit is the rear floor The rear portion of the power unit is suspended from the raised rear portion of the rear floor, and the motor at the rear portion of the rear floor is connected to the motor electrode terminal mounting portion. In an electric vehicle power unit peripheral structure provided with an opening for work, an arrangement surface of the motor electrode terminal is provided on an upper portion of the motor. The arrangement surface is an upward inclined surface whose front surface extends toward the rear of the vehicle, an upper surface is a downward inclined surface that extends toward the rear of the vehicle, and the outer circumferential surface of the motor while the rear surface descends toward the rear of the vehicle Is formed in a trapezoidal shape that is an inclined surface in contact with, or formed in a triangular shape by the front surface and the rear surface of the arrangement surface, the motor electrode terminal mounting portion is installed on the front surface and the upper surface of the arrangement surface, A high voltage cable for supplying electric power to the motor is inserted into a trapezoidal or triangular one side surface of the motor electrode terminal mounting portion, and covers the high voltage terminal portion of the motor and is fastened and fixed inside the terminal cover. The terminal cover is covered with a motor cover.

Also, in the present invention, a cooling fluid supply hose for cooling the motor is configured to be inserted and fixed to a side surface of the motor electrode terminal mounting portion opposite to the trapezoidal or triangular shape of the high voltage cable. Has been.
Furthermore, in the present invention, the motor cover is formed in a trapezoidal shape or a triangular shape when viewed from the side of the vehicle, and is arranged in parallel with the terminal portion cover. The inclined surface is in contact with the outer circumferential portion of the outer shell, and is disposed so as to be parallel to the inclined surface of the rear floor.

  As described above, in the power vehicle peripheral structure of the electric vehicle according to the present invention, a power unit composed of a motor and a speed reducer is mounted on the rear side of the vehicle, and a common shaft of the motor and the speed reducer is arranged in the vehicle width direction. The rear floor of the rear of the vehicle is arranged with the rear part higher than the front part, and has a slope part extending upward toward the rear of the vehicle between the front part and the rear part, and the front part of the power unit is the rear floor The rear portion of the power unit is suspended from the raised rear portion of the rear floor, and the motor at the rear portion of the rear floor is connected to the mounting portion of the motor electrode terminal. An opening for work is provided, and an arrangement surface of the motor electrode terminal is provided at an upper portion of the motor, and the arrangement surface has a front surface facing the rear of the vehicle. In this way, it is an upward inclined surface that extends, the upper surface is a downward inclined surface that extends toward the rear of the vehicle, and the rear surface is formed in a trapezoidal shape that is an inclined surface that contacts the outer circumferential portion of the motor while descending toward the rear of the vehicle. Alternatively, the front surface and the rear surface of the arrangement surface are formed in a triangular shape, and the motor electrode terminal mounting portion is installed on the front surface and the upper surface of the arrangement surface, and a high voltage cable for supplying power to the motor is The motor electrode terminal mounting part is inserted into a trapezoidal or triangular one side surface, and is fastened in a terminal part cover that covers and fastens the high voltage terminal part of the motor, and the terminal part cover is Since it is comprised so that it may be covered with a motor cover, the following effects can be acquired.

That is, according to the peripheral structure of the power unit of the present invention, the high voltage cable is connected to the motor electrode terminal mounting portion installed on both the front surface and the upper surface of the motor electrode terminal. The high voltage cable can be easily removed through the work opening at the rear of the rear floor.
In addition, according to the power unit peripheral structure of the present invention, a high-voltage cable can be arranged in a large space, so that the motor electrode terminal can be tightened from above through the work opening, and the terminal cover also has the work opening. It is possible to remove from the upper side or securely attach the power unit via the, thereby improving the maintainability of the power unit.

  Further, in the present invention, a cooling fluid supply hose for cooling the motor is configured to be inserted and fixed to the side surface of the motor electrode terminal mounting portion opposite to the trapezoidal or triangular shape of the high voltage cable. As a result, the cooling fluid supply hose can be inserted in the lateral direction (vehicle width direction) on the side surface of the motor electrode terminal mounting portion opposite to the high voltage cable, and the clearance with the rear floor is narrowed. In other words, the supply hose can be held at a predetermined distance from the rear floor.

Further, according to the peripheral structure of the power unit of the present invention, it becomes possible to attach the high voltage cable and the supply hose from the lateral direction, so that the vertical rotation and swing due to the torque fluctuation of the power unit at the time of driving or deceleration, The movement is in a direction perpendicular to the direction in which the high voltage cable and the cooling water hose come off, and the effect of preventing the high voltage cable and the cooling water hose from coming off from the motor electrode terminal mounting portion and the hose mounting portion can be improved.
Furthermore, according to the peripheral structure of the power unit of the present invention, the high voltage cable is inserted into the side surface such as the trapezoidal shape of the motor electrode terminal mounting portion, tightened in the terminal portion cover covering the high voltage terminal portion, and the terminal portion cover is attached. Since it is tightened with a fastener such as a bolt, the motor can be protected by a simple assembly operation without exposing the high voltage portion of the motor to the outside. In addition, since the outer periphery of the terminal cover is covered with the motor cover, it is possible to reliably cut off from the outside world, and to protect the motor electrode terminal mounting portion and the like from stepping stones, curbs, etc. in the outside world.

  On the other hand, in the present invention, the motor cover is formed in a trapezoidal shape or a triangular shape when viewed from the side of the vehicle, and is disposed in parallel with the terminal portion cover. Since it is arranged to be an inclined surface in contact with the outer circumferential portion of the shell and parallel to the inclined surface portion of the rear floor, the flow of wind around the motor electrode is rectified, and the vicinity of the motor electrode terminal mounting portion As a result, it is possible to reduce adhesion of mud, rainwater, and the like, and to increase the cooling effect by the air flow in the vicinity of the motor electrode, thereby suppressing the temperature rise around the motor electrode terminal.

  Further, in the peripheral structure of the power unit of the present invention, the clearance of the front surface of the motor cover with respect to the rear floor is uniform, so that the operation of removing the motor cover is simplified. In addition, when the power unit is mounted, the power unit is lifted from the lower side of the vehicle and assembled at a predetermined position on the vehicle body, but even if the assembly position is slightly shifted, contact with the vehicle body around the motor electrode terminal can be reduced. it can. In addition, even when vertical rotation and swinging occur due to torque fluctuations of the power unit during driving or deceleration, it is easy to ensure clearance with the rear floor, and contact with the vehicle body can be avoided.

In the power unit peripheral structure of the present invention, when a load is applied to the vehicle body from the front or rear of the vehicle, even if the power unit moves forward due to inertia of the power unit or pressing from the rear of the vehicle, it is parallel to the rear floor. Since the clearance is secured, the contact with the rear floor can be reduced.
Furthermore, in the peripheral structure of the power unit of the present invention, in addition to the problem that the sound radiated from the motor passes through the rear floor, that is, in addition to the sound radiated from the circular motor outer shell when viewed from the side of the vehicle, The problem is that the radiated sound is added, the length of the slope of the rear floor is shorter than that of the planar part, and it has bending parts at the front and back, so it has higher rigidity than the other parts. The transmission of these radiated sounds through the rear floor can be reduced. Moreover, in the peripheral structure of the power unit of the present invention, since the front surface of the protruding portion of the electrode portion is arranged along the slope of the rear floor, it is possible to exert an effect as a measure for reducing the transmission of radiated sound on the rear floor.

It is the bottom view which looked at the state where the power unit was mounted in the vehicle body rear part to which the power unit peripheral structure of the electric vehicle concerning the embodiment of the present invention was applied from the lower part of the vehicle. In FIG. 1, it is the perspective view which looked at the state which mounted the power unit from the diagonally left upper direction of the vehicle. In FIG. 1, it is the side view which looked at the state which mounted the power unit from the vehicle right side. It is the perspective view which looked at the power unit which concerns on embodiment of this invention from the right diagonal upper direction of the vehicle. It is a perspective view which shows the motor which comprises the power unit which concerns on embodiment of this invention. It is a perspective view which shows the motor and motor cover which comprise the power unit which concerns on embodiment of this invention. FIG. 7 is a perspective view conceptually showing a motor and a motor cover in FIG. 6.

Hereinafter, the present invention will be described in detail based on illustrated embodiments.
1 to 7 show a power unit peripheral structure of an electric vehicle according to an embodiment of the present invention.

An automobile to which a power unit peripheral structure according to an embodiment of the present invention is applied is an electric vehicle including an RR vehicle (rear drive vehicle) such as a commercial vehicle, and travels by driving force of a motor (electric motor) to which electric power is supplied. The electric vehicle 1 to be used. As shown in FIGS. 1 to 7, a power unit 4 including a motor 2 and a speed reducer 3 is mounted on the rear side of the electric vehicle 1, and a common shaft (see FIG. (Not shown) are arranged along the vehicle width direction.
The power unit 4 is configured by connecting the speed reducer 3 to the left side of the motor 2 in the vehicle width direction, and its longitudinal direction is arranged toward the vehicle width direction. A battery pack 5 for supplying electric power to the motor 2 is arranged in front of the power unit 4 as shown in FIG. 1 to 7 indicate the front of the vehicle, L indicates the left side of the vehicle, and R indicates the right side of the vehicle.

In the lower part of the electric vehicle 1 of the present embodiment, a front floor 6 in front of the vehicle and a rear floor 7 connected to the front floor 6 extend in the vehicle front-rear direction and the vehicle width direction. A sub-frame 8 that supports the power unit 4 is disposed below the rear floor 7.
As shown in FIGS. 1 to 3, the rear floor 7 is formed and arranged so that the rear part 7 b is higher than the front part 7 a, and between the front part 7 a and the rear part 7 b, a vehicle A slope portion 7c that gradually extends while being inclined upward toward the rear is provided. The front portion of the power unit 4 is suspended below the front portion 7a or the slope portion 7c of the rear floor 7, and the rear portion of the power unit 4 is suspended below the raised rear portion 7b of the rear floor 7. In addition, the length of the slope portion 7c of the rear floor 7 in the vehicle front-rear direction is shorter than the front portion 7a and the rear portion 7b of the plane-shaped portion and has bent portions on the front and rear sides. The rigidity is higher than that of the above portion, and there is an effect of reducing the transmission of the radiated sound from the motor 2 and the radiated sound from the protruding portion of the electrode portion through the rear floor 7.
In addition, an opening 9 for work to a motor electrode terminal mounting portion, which will be described later, is provided in the rear portion 7b of the rear floor 7 and above the motor 2, and the size and shape of the opening 9 are as follows. In addition, it is formed in a range that does not affect the workability of connecting / disconnecting the high voltage cable or the like and the rigidity of the rear floor 7.

As shown in FIGS. 1, 3, and 4, the subframe 8 of the present embodiment communicates between a pair of left and right side frame portions 10, 11 extending in the vehicle front-rear direction and the side frame portions 10, 11. Accordingly, a pair of front and rear cross frame portions 12 and 13 extending in the vehicle width direction are provided, and the frame portion is configured in a closed circuit shape surrounding the power unit 4. Parts of the side frame portions 10 and 11 on the vehicle rear side are formed to rise upward, and the rear cross frame portion 13 is disposed at a position higher than the front cross frame portion 12.
Therefore, the power unit 4 is supported in a state of being suspended from the subframe 8 by the mount members 14 disposed at the middle positions of the front, rear, left and right. The mount member 14 has a rubber mount structure, and is configured to elastically support the power unit 4 on the lower surface of the rear floor 7 at four points, front, rear, left and right.

  On the other hand, as shown in FIGS. 5 and 7, a terminal arrangement surface 15 for motor electrode terminals is provided on the upper portion of the motor 2 according to the present embodiment. This terminal arrangement surface 15 is an upward inclined surface with a front surface 15a located on the vehicle front side extending toward the rear of the vehicle, an upper surface 15b is a downward inclined surface extending toward the rear of the vehicle, and a rear surface 15c is directed toward the rear of the vehicle. The inclined surface is in contact with the outer circumferential portion 2a of the motor 2 while descending, and is formed in a trapezoidal shape when viewed from the side of the vehicle by these three inclined surfaces. The motor electrode terminal mounting portion 16 of the motor 2 is installed on the front surface 15 a and the upper surface 15 b of the terminal arrangement surface 15.

  Further, as shown in FIG. 4, the high voltage cable 17 that supplies power to the motor 2 is inserted from the side of the vehicle into the right side surface 16 a of the trapezoidal (or triangular) side of the motor electrode terminal mounting portion 16. 5 and FIG. 7, the terminal part cover 18 (18a, 18b) is fastened and fixed. The terminal cover 18 includes a front cover 18a and an upper cover 18b, and has a function of covering and protecting the high voltage terminal portion of the motor 2. The front cover 18a and the upper cover 18b are each firmly fixed to the motor electrode terminal mounting portion 16 by bolting at a plurality of points (four points in the present embodiment).

  Further, as shown in FIG. 4, a supply hose (cooling water hose) 19 for cooling fluid (for example, cooling water) for cooling the motor 2 is a trapezoidal (or triangular) left side of the motor electrode terminal mounting portion 16. It is inserted into the surface 16b side from the side of the vehicle and fixed. That is, the supply hose 19 is fixed to a side surface opposite to the vehicle right side surface 16a into which the high voltage cable 17 is inserted, and a high voltage motor electrode terminal mounting portion that requires cooling without reducing the clearance with the rear floor 7. 16 and the motor operating part can be directly introduced with a low-temperature cooling fluid. For this reason, the connection part 20 which connects the one end part of the supply hose 19 is extended in the vehicle width direction at the vehicle left side surface 16b side of the motor electrode terminal attachment part 16. FIG.

Further, the outer periphery of the terminal cover 18 of the present embodiment is covered by the upper motor cover 21 as shown in FIGS. 2 to 4, 6 and 7. Therefore, the upper motor cover 21 is formed in a trapezoidal shape (or a triangular shape) when viewed from the side of the vehicle by the front surface 21a, the upper surface 21b, and the rear surface 21c, and is disposed in parallel with the terminal portion cover 18. A front surface 21 a of the upper motor cover 21 located on the vehicle front side is formed to be an inclined surface in contact with the outer circumferential portion 2 a of the motor 2 and is parallel to the inclined surface portion 7 c of the rear floor 7. Are arranged as follows.
That is, as shown in FIG. 3, the inclined line X1 passing through the front surface 21a of the upper motor cover 21 and the inclined line X2 passing through the slope portion 7c of the rear floor 7 are inclined and extended at the same angle. Thus, the flow of wind passing around the motor electrodes is rectified, and the clearance of the front surface 21a of the upper motor cover 21 with respect to the rear floor 7 is configured to be uniform. The lower surface side of the outer circumferential portion 2a of the motor 2 is covered with a lower motor cover 22, as shown in FIGS.

Thus, in the power unit peripheral structure of the electric vehicle 1 according to the embodiment of the present invention, the work opening 9 is provided in the rear portion 7b of the rear floor 7 located above the motor 2 of the power unit 4, and the terminal arrangement surface 15 is provided. The high voltage cable 17 is inserted into the trapezoidal vehicle right side surface 16a of the motor electrode terminal mounting portion 16 installed on both the front surface 15a and the upper surface 15b of the vehicle from the side of the vehicle and is tightened. It is possible to make a large arrangement space for 17, and it is possible to easily connect and remove the high-voltage cable 17 from the work opening 9, and the terminal cover 18 also passes through the work opening 9. It can be quickly and reliably detached from above.
Further, in the power unit peripheral structure of the present embodiment, the cooling fluid supply hose 19 is inserted into the vehicle left side 16b opposite to the high voltage cable 17 from the vehicle width direction, so that the clearance from the rear floor 7 is reduced. The supply hose 19 can be held at a distance from the rear floor 7 without being narrowed, and cooling water can be introduced from the supply hose 19 in the vicinity of the motor electrode terminal mounting portion 16 that needs to be cooled.
Moreover, in the peripheral structure of the power unit of the present embodiment, the high voltage cable 17 and the supply hose 19 are attached from the side of the vehicle. Therefore, the rotational movement in the vertical direction due to the torque fluctuation of the power unit 4 during driving or deceleration. However, the movement in a direction perpendicular to the direction in which the high voltage cable 17 and the supply hose 19 come off can be prevented, and the high voltage cable 17 and the supply hose 19 can be prevented from coming off from the motor electrode terminal mounting portion 16 and the hose connection portion 20. .

  Furthermore, in the power unit peripheral structure of the present embodiment, the high voltage cable 17 to be inserted from the vehicle right side surface 16a of the motor electrode terminal mounting portion 16 is tightened in the terminal portion cover 18, and the terminal portion cover 18 has four points. Therefore, the terminal portion cover 18 can protect the high voltage portion of the motor 2 without exposing it to the outside, and the terminal portion cover 18 can be easily attached and detached. Moreover, since the outer periphery of the terminal cover 18 is covered with the upper motor cover 21, the motor electrode terminal mounting portion 16 and the like can be protected from stepping stones, curbs, and the like in the outside world.

In the power unit peripheral structure of the present embodiment, the motor cover 21 is similar in shape to the terminal cover 18 and is arranged in parallel with the terminal cover 18, and the front surface 21 a of the motor cover 21 is arranged on the rear floor. 7 is arranged so as to be parallel to the inclined surface portion 7c, the wind flowing around the motor electrode can be rectified, and mud, rainwater, etc. can be prevented from staying and adhering to the vicinity of the motor electrode terminal mounting portion 16. In addition, the air flow around the motor electrode can be promoted to suppress the temperature rise around the motor electrode terminal.
Furthermore, in the power unit peripheral structure of the present embodiment, when a load is applied to the vehicle body from the front of the vehicle or from the rear of the vehicle, even if the power unit 4 moves forward by the inertia force of the power unit 4 or the pressing force from the rear of the vehicle, Since a uniform clearance is secured in parallel with the rear floor 7, contact with the rear floor 7 can be reduced.

While the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications and changes can be made based on the technical idea of the present invention.
For example, in the above-described embodiment, the terminal arrangement surface 15 is formed in a trapezoidal shape when viewed from the side of the vehicle, but is formed in a triangular shape when viewed from the side of the vehicle by the front surface 15a and the rear surface 15c of the terminal arrangement surface 15. May be. In this case, the upper motor cover 21 is formed in a triangular shape in a vehicle side view corresponding to the shape of the terminal arrangement surface 15.

DESCRIPTION OF SYMBOLS 1 Electric vehicle 2 Motor 2a Outer shell circumference part 3 Reducer 4 Power unit 6 Front floor 7 Rear floor 7a Front part 7b Rear part 7c Slope part 8 Sub frame 9 Opening part 14 Mount member 15 Terminal arrangement surface 15a Front surface 15b Upper surface 15c Rear surface 16 Motor Electrode terminal mounting portion 16a Vehicle right side surface 16b Vehicle left side surface 17 High voltage cable 18 Terminal portion cover 19 Supply hose 20 Connection portion 21 Upper motor cover 21a Front surface 21b Upper surface 21c Rear surface

Claims (3)

A power unit composed of a motor and a speed reducer is mounted at the rear of the vehicle, a common shaft for the motor and the speed reducer is disposed in the vehicle width direction, and the rear floor at the rear of the vehicle is disposed higher at the rear than at the front. A slope portion extending upward toward the rear of the vehicle between the front portion and the rear portion, the front portion of the power unit is suspended on the front portion or the slope portion of the rear floor, and the rear portion of the power unit is A power unit peripheral structure for an electric vehicle that is suspended at a raised rear portion of the rear floor and that has a working opening to a motor electrode terminal mounting portion above the motor at the rear portion of the rear floor. In
An upper surface of the motor is provided with an arrangement surface for the motor electrode terminals. The arrangement surface is an upward inclined surface whose front surface extends toward the rear of the vehicle, and an upper surface is a downward inclined surface that extends toward the rear of the vehicle. The motor electrode is formed in a trapezoidal shape that is an inclined surface that contacts the outer circumferential portion of the motor while the rear surface descends toward the rear of the vehicle, or is formed in a triangular shape by a front surface and a rear surface of the arrangement surface. Terminal mounting portions are installed on the front surface and the upper surface of the arrangement surface,
A high voltage cable for supplying electric power to the motor is inserted into a trapezoidal or triangular one side surface of the motor electrode terminal mounting portion, and covers the high voltage terminal portion of the motor and is fastened and fixed inside the terminal cover. A structure around the power unit of an electric vehicle, wherein the terminal cover is covered with a motor cover.   A cooling fluid supply hose for cooling the motor is configured to be inserted into and fixed to a side surface of the motor electrode terminal mounting portion opposite to the trapezoidal or triangular shape of the high voltage cable. The power unit peripheral structure of the electric vehicle according to claim 1.   The motor cover is formed in a trapezoidal shape or a triangular shape when viewed from the side of the vehicle, and is arranged in parallel with the terminal portion cover, and the front surface of the motor cover is arranged on the outer circumferential portion of the motor. The power unit peripheral structure of an electric vehicle according to claim 1 or 2, wherein the structure is disposed so as to be in contact with an inclined surface and parallel to the inclined surface portion of the rear floor.

Images