JP2007106229A - Seat arranging structure of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a seat arranging structure of a vehicle capable of attaining riding of a large number of occupants, while securing riding comfortability of each occupant, on a compact body low in overall height. <P>SOLUTION: This structure is provided with a front row seat and a rear row seat on a floor panel 2 in a cabin. A kick-up part 3 raised in step to an upper side is provided on the floor panel 2. The kick-up part 3 is constituted of a first kick-up part 4 and a second kick-up part 5 provided side by side with the first kick-up part 4 in the vehicle width direction to be higher than the first kick-up part 4 in the height direction. A first rear row seat 71 is arranged on the first kick-up part 4. A second rear row seat 72 for an occupant who has smaller physique than that of an occupant seated on the first rear row seat 71 is arranged on the second kick-up part 5. A driver's seat 81 is arranged in front of the first rear row seat 71. A front passenger seat 82 is arranged in front of the second rear row seat 72. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  In the present invention, a front row seat in which a driver seat and a passenger seat are arranged side by side in the vehicle width direction on the floor panel of the passenger compartment, and a pair of seats positioned behind the front row seat are arranged in the vehicle width direction. The present invention relates to a vehicle seat arrangement structure including a rear row seat.

Conventionally, as the vehicle seat arrangement structure of the above-described example, there are structures shown in FIGS. 22, 23, and 24.
That is, a floor panel 200 that forms the lower surface (bottom surface) of the passenger compartment is provided, and a driver seat 201 and a passenger seat 202 are juxtaposed in the left and right (vehicle width direction) at the front of the floor panel 200, while the floor At the rear of the panel 200, there is provided a kick-up portion 203 stepped upward and having the same height on the left and right sides. In addition, in the vehicle width direction intermediate portion of the kick-up portion 203 described above, a fuel tank 206 as a vehicle auxiliary device is disposed below the vehicle outer side.

  On the other hand, in Patent Document 1, a kick-up portion having the same height on the left and right is formed stepwise with respect to the floor panel, which includes a curved portion and an extended portion obtained by extending the curved portion as it is. Cross members extending in the vehicle width direction are provided on the vehicle outer front portion and the vehicle rear rear portion of the kick-up portion, respectively, and a rear seat is disposed on the kick-up portion, and the front and rear portions are disposed below the kick-up portion on the vehicle outer side. A fuel tank (vehicle auxiliary machine) is disclosed in which the upper surface of each cross member has a shape along the curved portion and the extension portion described above.

  In Patent Document 2, a kick-up floor portion is connected to the rear of the floor panel forming the lower surface of the passenger compartment via a step portion, and the rear floor is connected to the kick-up floor portion via the rear kick-up portion. These steps, kick-up floor, rear kick-up, and rear floor are set to the same height on the left and right sides, and a rear seat as a passenger seat is placed on the kick-up floor and rear kick-up. On the other hand, a fuel tank (vehicle auxiliary machine) having a structure that follows the continuous shape of each of these elements is disposed on the vehicle exterior side of the above-described stepped portion, kick-up floor portion, rear kick-up portion, and rear floor. It is disclosed.

However, the conventional structure shown in FIGS. 22 to 24 and the above-described Patent Documents 1 and 2 have no technical idea of varying the size (height) of the kick-up portion in the vehicle width direction.
By the way, when constructing a compact vehicle having a low overall height, it is required that a large number of passengers can be boarded while ensuring the occupant's comfortability, and that the layout of the vehicle accessory is achieved.
Japanese Patent Laid-Open No. 6-211169 JP-A-5-627

  Therefore, the present invention provides a kick-up portion raised upward on the floor panel, and the kick-up portion is juxtaposed with the first kick-up portion and the first kick-up portion, and in the height direction. A second rear-up seat for a passenger having a small physique is disposed on the first kick-up portion, and a second rear-row seat for an occupant having a small physique is provided on the first kick-up portion. A driver's seat is located in front of the first rear row seat, and a passenger seat is located in front of the second rear row seat. It is an object of the present invention to provide a vehicle seat arrangement structure that can achieve the above.

  A vehicle seat arrangement structure according to the present invention includes a front row seat in which a driver seat and a passenger seat are arranged side by side on a floor panel of a passenger compartment, and a rear row seat in which a pair of seats are arranged in parallel. The floor panel is provided with a kick-up portion raised upward, and the kick-up portion includes a first kick-up portion and the first kick-up portion in the vehicle width direction. A second kick-up portion that is juxtaposed and higher in the height direction than the first kick-up portion, and a first rear row seat is disposed on the first kick-up portion, and the second kick-up portion A second rear row seat for an occupant having a smaller physique than an occupant seated on the first rear row seat is disposed on the part, the driver seat is disposed in front of the first rear row seat, and the second rear row is disposed. Front passenger seat above the seat In which over bets are disposed.

According to the above configuration, since the kick-up portion described above includes the first kick-up portion and the second kick-up portion having different heights, the seats for the large and small vehicle interior spaces and the vehicle exterior spaces above and below the kick-up portion. It is possible to increase the degree of freedom in layout of equipment and accessories.
In addition, a first rear row seat is disposed on the first kick-up portion having a relatively low height so as to correspond to the vehicle interior space (the space is relatively large). On the high second kick-up portion, a second rear row seat for an occupant having a small physique is arranged to correspond to the vehicle interior space (the space is relatively small), and in front of these rear row seats, The driver's seat and passenger's seat are provided separately, so that the space in the passenger compartment can be used appropriately, and the three passengers and children are able to ensure the comfort of each passenger in a compact body with a low overall height. (Or women) A single multi-person boarding can be achieved, and the front and rear row seats keep the front and rear spaces of each seat in a well-balanced manner. To ensure comfort Kill.

  In one embodiment of the present invention, the passenger seat is offset forward from the driver seat.

  According to the above configuration, it is possible to achieve both the securing of the passenger seat space and the securing of the space for the second rear row seat on the passenger seat side, and the improvement of the comfort of the passenger seated on the second rear row seat can be achieved. .

  In other words, there is a steering wheel on the driver's seat side, so the driver's seat cannot be arranged in front of the driver's seat. The seats can be disposed offset to the front, whereby the foot space of the second rear row seat on the passenger seat side can be increased.

  Moreover, since the second rear row seat is set for an occupant having a small physique, the second kick-up portion can be formed higher than the structure set for an occupant having a large physique. The space below the vehicle exterior of the kick-up portion can be expanded.

  In one embodiment of the present invention, a first vehicle auxiliary machine is disposed below the first kick-up portion.

  According to the said structure, a 1st vehicle auxiliary machine can be arrange | positioned effectively using the downward space of the vehicle outer side of a 1st kick-up part.

  In one embodiment of the present invention, a large second vehicle accessory is disposed below the second kick-up portion in the height direction from the first vehicle accessory.

  According to the above configuration, the first vehicle auxiliary machine is disposed below the first kick-up portion where the lower space on the outside of the vehicle is relatively small, the height is higher than the first kick-up portion, and the vehicle Since a large second vehicle auxiliary machine is arranged in the height direction with respect to the first vehicle auxiliary machine below the second kick-up portion where the outer lower space is relatively large, a short nose, a low overall height In a compact body, it is possible to achieve both the arrangement of a plurality of large vehicle auxiliary machines and a multi-person ride.

  In particular, since the vehicle auxiliary machines are respectively arranged below the first and second kick-up portions, the vehicle auxiliary machines having different sizes can be sorted and efficiently packaged.

  In one embodiment of the present invention, the first vehicle accessory is set in a first fuel tank.

  According to the above configuration, since the first fuel tank can be disposed below the first kick-up portion on the lower side in the height direction, the tank capacity of the fuel tank can be ensured appropriately.

  In one embodiment of the present invention, a second fuel tank is set, and the second fuel tank communicates with a first fuel tank as the first vehicle accessory.

  According to the above configuration, since the first and second fuel tanks are disposed below the two kick-up portions having different heights, the space below the vehicle outside of the two kick-up portions is effectively used. The tank capacity of the fuel tank can be ensured reliably.

  In one embodiment of the present invention, the second kick-up portion is offset forward with respect to the first kick-up portion, and the large second fuel tank is offset forward in the height direction. It is arrange | positioned under the up part.

  According to the above configuration, since the second kick-up portion that is high in the height direction is offset forward with respect to the first kick-up portion, not only the vertical direction in the vehicle lower side space of the second kick-up portion, The fuel tank can be enlarged in the front-rear direction, and since the large second fuel tank is disposed below the second kick-up portion, the tank capacity of the fuel tank can be increased.

  In one embodiment of the present invention, the first fuel tank and the second fuel tank communicate with each other via a tunnel tank portion that rises upward and extends in the vehicle width direction, and a third tank is disposed below the tunnel tank portion. A vehicle accessory is provided.

  According to the above configuration, since the first fuel tank and the second fuel tank are communicated with each other by the tunnel tank portion, it is possible to achieve both the securing of the tank capacity of the fuel tank and the layout of the third vehicle auxiliary machine. .

  In particular, since the first and second fuel tanks can be integrated in the tunnel tank portion while ensuring the maximum tank capacity, the structure of the fuel tank is simplified and the mounting structure is simplified. It is possible to achieve both improvement and assembly.

  In one embodiment of the present invention, the third vehicle accessory is set to an exhaust pipe or / and a propeller shaft.

  According to the above configuration, it is possible to achieve both the tank capacity of the fuel tank and the layout of the exhaust pipe or / and the propeller shaft (in the case of FR, 4WD, etc.) as the third vehicle accessory.

  In one embodiment of the present invention, the first rear row sheet is disposed with an offset rearward from the second rear row sheet.

  According to the above configuration, it is possible to ensure the comfortability of the occupant seated in the first rear row seat as the rear row seat behind the driver seat, and the first rear row seat includes the occupant seated in the second rear row seat. A passenger with a larger physique can be seated.

  According to the present invention, the floor panel is provided with the kick-up portion raised upward, and the kick-up portion is provided in parallel with the first kick-up portion and the first kick-up portion, and in the height direction. A second rear-up seat for a passenger having a small physique is disposed on the first kick-up portion, and a second rear-row seat for an occupant having a small physique is provided on the first kick-up portion. The driver's seat is located in front of the first rear row seat and the passenger seat is located in front of the second rear row seat, so it is possible to take a large number of passengers while ensuring the comfort of each occupant in a compact body with a low overall height. In addition to achieving this, there is an effect that it is possible to increase the degree of freedom of the layout of seats and auxiliary equipments in the large and small interior and exterior spaces above and below the kick-up portion.

  Front row seat with driver's seat and passenger's seat arranged side by side on the floor panel of the passenger compartment for the purpose of ensuring comfort in a compact body with low overall height, multi-seater ride, and increased layout flexibility And a rear seat in which a pair of seats are arranged side by side, a floor panel is provided with a kick-up portion raised upward, and the kick-up portion is a first kick-up And a second kick-up portion arranged in parallel with the first kick-up portion in the vehicle width direction and higher in the height direction than the first kick-up portion. A rear row seat is provided, a second rear row seat for an occupant having a smaller physique than an occupant seated on the first rear row seat is disposed on the second kick-up portion, and a driver seat is disposed in front of the first rear row seat. Installed and after the second It is achieved in construction that provided the passenger seat in front of the seat.

An embodiment of the present invention will be described in detail with reference to the drawings.
The drawings show the vehicle seat arrangement structure. First, the vehicle body structure will be described with reference to FIGS. 1 to 6. A dash lower panel 1 (dash panel) that partitions the engine room E and the vehicle compartment R in the front-rear direction is illustrated. A floor panel 2 extending substantially horizontally toward the rear is integrally or integrally connected to the rear end of the lower end of the dash lower panel 1, and the floor panel 2 constitutes the lower surface (bottom surface) of the passenger compartment R. Yes.

The rear portion of the floor panel 2 is provided with a kick-up portion 3 (see FIG. 2) that is stepped upward. This kick-up portion 3 is the first kick on the driver's seat side Dr (see the left side of the vehicle). The up section 4 and the first kick up section 4 and the second kick up section 5 on the passenger side Pa (see the right side of the vehicle) arranged in the vehicle width direction are provided.
Moreover, as shown in a perspective view in FIG. 2, the second kick-up portion 5 on the passenger seat side Pa is formed higher in the height direction than the first kick-up portion 4 on the driver seat side Dr.

  Here, as shown in FIGS. 2 and 5, the first kick-up portion 4 described above includes a front wall portion 4a that rises upward from the floor panel 2, and a kick-up that extends rearward from the front wall portion 4a. And a floor portion 4b.

  Further, as shown in FIGS. 2 and 6, the second kick-up portion 5 described above extends substantially horizontally from the front wall portion 5a rising upward from the floor panel 2 toward the rear from the front wall portion 5a. And the rising amount of the front wall portion 5a of the second kick-up portion 5 is set to be larger than the rising amount of the front wall portion 4a of the first kick-up portion 4. The height of the kick-up floor portion 5b of the kick-up portion 5 is configured to be higher than the height of the kick-up floor portion 4b of the first kick-up portion 4. That is, a relatively small lower space is formed below the first kick-up portion 4, and a relatively large lower space is formed below the second kick-up portion 5.

Moreover, as shown in FIGS. 2 and 3, the second kick-up portion 5 on the passenger seat side Pa is offset by a predetermined distance L1 in front of the vehicle with respect to the first kick-up portion 4 on the driver seat side Dr. Is formed.
A rear floor 7 is continuously provided via rear kick-up portions 6A and 6B further behind the kick-up floor portions 4b and 5b in the kick-up portion 3 described above. Here, the kick-up amount of the rear kick-up portion 6A on the driver's seat side is larger than the kick-up amount of the rear kick-up portion 6B on the passenger seat side Pa.

  As shown in FIGS. 2 and 3, the rear kick-up portion 6A on the driver's seat side Dr is formed to be offset backward by a predetermined distance L2 with respect to the rear kick-up portion 6B on the passenger seat side Pa. In other words, corresponding to the offset structure of the first and second kick-up portions 4 and 5, the rear kick-up portion 6B on the passenger seat side Pa is offset forward from the rear kick-up portion 6A on the driver seat side Dr. It is formed.

  On the other hand, a tunnel portion 8 that protrudes inward of the passenger compartment R and extends in the front-rear direction of the vehicle is formed at the center of the floor panel 2 in the vehicle width direction. The tunnel portion 8 is the center of the vehicle body rigidity, and the tunnel portion 8 extends in the front-rear direction of the vehicle between the dash lower panel 1 and the rear kick-up portions 6A and 6B as shown in FIG. In addition, a tunnel member 10 (so-called high-mount backbone frame) that forms a closed cross-section 9 with the tunnel portion 8 is joined and fixed to the upper portion of the tunnel portion 8.

The above-described tunnel member 10 is a vehicle body rigid member (strength member) extending in the front-rear direction of the vehicle along the upper portion of the tunnel portion 8 between the dash lower panel 1 and the rear kick-up portions 6A and 6B. This improves floor rigidity and vehicle body rigidity.
As shown in FIGS. 3 and 4, side sills 11, 11 extending in the front-rear direction of the vehicle are joined and fixed to both side ends of the floor panel 2 in the vehicle width direction.

  The side sill 11 is a vehicle body rigid member having a side sill closed cross section that extends in the vehicle front-rear direction by joining a side sill outer, a side sill inner, and a side sill reinforcement. However, the side sill inner is shown in the drawings.

  As shown in FIGS. 1 to 6, a cross member 12 (No.) that connects a side surface of the tunnel portion 8 and a side sill 11 (specifically, a side sill inner) in the vehicle width direction is provided at an intermediate portion in the front-rear direction of the floor panel 2. .2 cross member), and a closed cross section 12a extending in the vehicle width direction is formed between the cross member 12 (vehicle body rigid member) and the upper surface of the floor panel 2.

  As shown in FIGS. 2, 3, and 5, a cross member 14 (No. 3 cross member) extending in the vehicle width direction is provided at the front of the first kick-up portion 4 on the driver's seat side Dr, and the first kick A closed cross section 14 a extending in the vehicle width direction is formed between the upper surface of the up portion 4 and the cross member 14.

  As shown in FIGS. 2, 3, and 6, a cross member 15 (No. 3 cross member) extending in the vehicle width direction is provided at the front portion of the second kick-up portion 5 on the passenger seat side Pa, A closed cross section 15 a extending in the vehicle width direction is formed between the upper surface of the two kick-up portions 5 and the cross member 15. Here, as is apparent from FIG. 3, the cross member 15 provided at the front portion of the second kick-up portion 5 is relatively to the cross member 14 provided at the front portion of the first kick-up portion 4. The one with a large front-rear width is used.

As shown in FIGS. 2 and 3, the above-described cross members 14 and 15 (vehicle body rigid members) are more than the second kick-up portion 5 than the cross-member 14 disposed at the front portion of the first kick-up portion 4. A cross member 15 disposed in the front is offset from the front of the vehicle.
Each of these cross members 14 and 15 is located inside the vehicle interior R, and the vehicle interior side end (inner end in the vehicle width direction) is connected and fixed to the tunnel portion 8 described above. The connection structure is configured to ensure the vehicle body rigidity.

  As shown in FIGS. 2, 3, and 5, a rear cross member 16 extending in the vehicle width direction on the outer side of the rear kick-up portion 6 </ b> A and the rear floor 7 is behind the first kick-up portion 4 on the driver's seat side Dr. (No. 4 cross member) is provided, and a closed section 16a extending in the same direction is formed between the elements 6A, 7 and 16.

  As shown in FIGS. 2, 3, and 6, a rear cross member 17 that extends in the vehicle width direction on the outer side of the rear kick-up portion 6 </ b> B and the rear floor 7 is behind the second kick-up portion 5 on the passenger seat side Pa. (No. 4 cross member) is provided, and a closed cross section 17a extending in the same direction is formed between the elements 6B, 7 and 17, and the rear floor 7 and the rear cross member 17 are vertically moved in the closed cross section 17a. A substantially Z-shaped knot member 18 connected to is provided to improve rigidity.

  These rear cross members 16 and 17 (vehicle body rigid members) are vehicle body rigid members that extend in the vehicle width direction across the first kickup portion 4 and the second kickup portion 5 behind the kickup portion 3. As shown in FIGS. 2 and 3, these rear cross members 16 and 17 are disposed behind the first kick-up portion 4 and behind the second kick-up portion 5. The rear cross member 17 is offset in the front-rear direction of the vehicle, and the rear cross members 16 and 17 are formed asymmetrically in the left-right direction.

  In this embodiment, as shown in FIGS. 2 and 3, the front portion of the rear cross member 16 on the driver's seat side Dr disposed behind the first kick-up portion 4 is located behind the second kick-up portion 5. The rear cross member 17 on the front passenger seat side Pa is disposed to be offset from the front of the vehicle.

  Further behind each of the rear cross members 16 and 17, a cross member 19 (No. 5 cross) that extends in a straight line in the vehicle width direction and connects between a pair of left and right rear side frames 43 and 43, which will be described later, in a non-divided structure. Member), and a closed cross section 19a extending in the vehicle width direction is formed between the cross member 19 (vehicle body rigid member) and the rear floor 7.

On the other hand, as shown in FIGS. 2 and 4, on the lower surface of the floor panel 2, a pair of left and right floor frames 20 extending in the vehicle longitudinal direction between the side sill 11 and the tunnel portion 8 in the vehicle width direction, 20, closed cross sections 20a and 20a extending in the same direction are formed between the floor frames 20 and 20 and the lower surface of the floor panel 2, respectively.
Each of the floor frames 20, 20 described above is a vehicle body rigid member joined to the floor panel 2. Note that a front side frame (front frame) (not shown) extending in the front-rear direction of the vehicle is provided at the front end of the floor frame 20 so as to extend on both the left and right sides in the engine room E.

  By the way, as shown in the bottom view in FIG. 4, a transmission 21 as a transmission means is disposed in the lower space outside the vehicle of the tunnel portion 8, and the output of the transmission 21 is transmitted to the propeller shaft 22 (propulsion shaft). The differential output of the rear differential device 23 is transmitted to the left and right rear wheels 25, 25 via the left and right rear wheel drive shafts 24, 24. The left and right rear wheels 25, 25 are suspended independently by left and right rear suspension devices 26, 26 (for example, double wishbone type suspension devices).

  A power plant frame 27 having a substantially Z-shaped cross section and extending in the front-rear direction of the vehicle is provided between the transmission case of the transmission 21 and the differential case of the rear differential device 23.

  This power plant frame 27 (so-called PPF) is a frame that connects the transmission 21 and the rear differential device 23 to a rigid, and this power plant frame 27 allows movement in the roll direction from the engine drive system, This is to suppress the wind-up vibration of the rear differential device 23.

  Further, as shown in FIG. 4, an exhaust system such as an engine exhaust port and an exhaust manifold includes a front exhaust pipe 28, a catalyst 29, a middle exhaust pipe 30, a pre-silencer 31 as a silencer, a rear exhaust pipe 32, An exhaust passage 35 composed of a main silencer 33 and tail pipes 34, 34 is connected, and the exhaust passage 35 is supported on the body side via a bracket (not shown). A front exhaust pipe 28, a catalyst 29, and a middle exhaust pipe 30 are The tunnel portion 8 is located in the lower space outside the vehicle.

By the way, as shown in FIGS. 3 to 6, a sub tank 36 (first fuel tank) as a first vehicle auxiliary machine is disposed below the first kick up portion 4, and the second kick up portion 5 A main tank 37 (second fuel tank) having a capacity larger than that of the sub tank 36 as a large second vehicle auxiliary machine in the height direction than the sub tank 36 is disposed below. As shown in the front view of FIG. 8, the sub tank 36 and the main tank 37 are connected in the vehicle width direction by a substantially portal-shaped tunnel tank portion 38 that rises upward and extends in the vehicle width direction. The single fuel tank 39 is integrated.
Here, as shown in FIG. 5, along the back surface of the rear kick-up portion 6A, a raised portion 36a that rises is integrally formed at the rear portion of the sub-tank 36, and this raised portion 36a also forms a fuel tank. The tank capacity of 39 is increased.

  A fuel tank 39 in which the above-described sub tank 36 and main tank 37 are integrated via a tunnel tank portion 38 has tank bands 41 and 42 as dunk holding members, as shown in FIGS. It is supported on the body side through. Here, since the sub-tank 36 and the main tank 37 are integrated as a single fuel tank 39 by the tunnel tank portion 38, the structure for supporting and attaching the body to the body by the tank bands 41 and 42 is simplified. It is possible to improve the assemblability.

9 is a cross-sectional view taken along line AA in FIG. 3, FIG. 10 is a cross-sectional view taken along line BB in FIG. 3, FIG. 11 is a cross-sectional view taken along line CC in FIG. 13 is a sectional view taken along the line GG in FIG. 3. As shown in FIGS. 3 and 9 to 13, the vehicle body is disposed on both sides of the lower surface of the rear floor 7. As shown in FIG. Rear side frames 43 and 43 (rear frames) as rigid members are joined, and the pair of left and right rear side frames 43 and 43 are extended toward the front end of the vehicle up to the rear end of the side sill 11.
As shown in FIGS. 9, 10, and 11, rear side inner panels 44 and 44 are joined and fixed to the outer side in the vehicle width direction of the first and second kick-up portions 4 and 5, respectively.

As shown in FIG. Each of the cross members 14 and 15 as the three cross members has a front member of the first kick-up portion 4 because the cross member 15 on the passenger side Pa is offset from the cross member 14 on the driver side Dr. The vehicle interior side end (in the vehicle width direction inner end) of the cross member 14 disposed in the vehicle interior and the vehicle interior side end (in the vehicle width direction inside) of the cross member 15 disposed in the front of the second kick-up portion 5. Are connected by connecting members 45 and 46 as reinforcing members shown in FIGS.
These connecting members 45 and 46 are located in the tunnel portion 8, that is, outside the tunnel portion 8, as shown in cross-sectional views in FIGS. 9 and 10.

  Further, as shown in a plan view in FIG. 3, both the connect members 45 and 46 have front and rear widths where the connect members 45 and 46 overlap each other, and one connect member 45 is connected to both the cross members 14 and 15. It is comprised so that it may have the front-back width which overlaps.

  One connect member 46 is joined to the intermediate bottom surface of the top deck portion of the tunnel portion 8 and the lower end vehicle exterior of the tunnel portion 8, and a closed cross-section 46 a is formed between the tunnel portion 8.

  The other connect member 45 is joined to the vehicle outer side of the intermediate portion of the vertical wall portion of the tunnel portion 8 and the vehicle outer surface of the one connect member 46, and forms a closed cross-section 45 a between the tunnel portion 8. .

  As shown in FIG. 14 in an exploded perspective view of the above-described two connect members 45 and 46, one connect member 46 includes an upper joining piece 47, an intermediate joining piece 48 in the vertical direction, and a lower joining piece 49. These are reinforcing members which have connecting pieces 50, 51 connecting the connecting pieces, that is, connecting pieces 47, 48, and connecting pieces 48, 49, and these pieces 47-51 are integrally formed of a metal member.

  The other connecting member 45 has an upper joining piece 52, a lower joining piece 53, and a bent joining piece 54 that joins both joining pieces 52, 53 in the vertical direction. This is a reinforcing member in which the pieces 52 to 54 are integrally formed of a metal member.

  14, in addition to the structure shown in FIG. 14, as shown in FIG. 15, beads 55 and 56 (for example, cross-shaped beads) extending at least in the vehicle width direction are provided on the above-described connect members 45 and 46, respectively, with closed cross-sections 45 a and 45 a. It may be integrally formed toward the 46a side, and the bead 55, 56 may be used to further improve vehicle body rigidity and side impact strength.

  As shown in a sectional view of a portion corresponding to the tunnel tank portion 38 of the fuel tank 39 in FIG. 11, the tunnel tank portion 38 that communicates the sub tank 36 and the main tank 37 in the vehicle width direction outside the tunnel portion 8. Below, a middle exhaust pipe 30 (exhaust pipe), a propeller shaft 22 and a power plant frame 27 as third vehicle auxiliary machines are arranged.

  As shown in FIG. Each of the rear cross members 16 and 17 as the four cross members is disposed such that the front part of the rear cross member 17 on the passenger side Pa is offset from the front part of the rear cross member 16 on the driver side Dr. Since these rear cross members 16 and 17 are divided in the vehicle width direction, the rear cross members 16 and 17 are connected in the vehicle width direction by a connect member 57 as shown in FIGS. is doing.

  The above-described connect member 57 is a member having a concave cross section, and the connect member 57 is connected to the lower surface of the rear floor 7 so as to form a closed cross section 57 a between the both members 7 and 57. Further, as shown in FIG. 13, one rear cross member 16 is connected between the rear side frame 43 having a closed section 43a structure and one side of the connecting member 57, and the other rear cross member 17 is also shown in FIGS. As shown, it is connected between the rear side frame 43 having a closed section 43a structure and the other side of the connect member 57.

  As shown in the plan view of FIG. Of the rear cross members 16 and 17 as the four cross members, the rear cross members 16 and 17 have substantially the same front and rear width as the rear cross member 17 having the wider front and rear width, and the divided rear cross members 16 and 17 are arranged in the vehicle width direction. A connection member to be connected.

  As shown in the perspective view of FIG. 16, the connect member 57 has upper joining pieces 58 and 59, left and right vertical wall pieces 60 and 61, and a bottom piece 62. It is a connection member in which the pieces 58 to 62 are integrally formed of a metal member, and the joining piece 58 and the vertical wall piece 60 on the driver's seat side Dr are configured to correspond to the shapes of the rear floor 7 and the rear kick-up portion 6A. .

  16, in addition to the structure shown in FIG. 16, as shown in FIG. 17, a portal-shaped reinforcing piece 63 that connects the left and right vertical wall pieces 60, 61 in the vehicle width direction is provided. A closed cross section extending in the vehicle width direction may be formed between the bottom piece 62 and the rigidity of the connect member 57 itself, the rear vehicle body rigidity, and the side impact resistance may be improved.

  Next, the seat arrangement structure of the vehicle will be described.

  18 is a plan view showing a state in which the rear row seat and the front row seat are attached to the vehicle body shown in FIG. 3. FIG. 18 is a plan view, and FIGS. 5 and 6 are side views. In addition, a first rear seat 71 as a first rear row seat and a second rear seat 72 as a second rear row seat are juxtaposed in the vehicle width direction. Here, the first rear seat 71 is disposed on the first kick-up portion 4 and the physique of the occupant X (see FIG. 5) seated on the first rear seat 71 on the second kick-up portion 5 A second rear seat 72 for the occupant Y (see FIG. 6) having a small physique is provided.

Each of the first and second rear seats 71 and 72 is configured as a left and right separate seat (bucket seat) having seat cushions 73 and 73 and seat backs 74 and 74, respectively. 6, the seat back 74 of the second rear seat 72 includes a reclining mechanism 77 including a reclining hinge pin 75, a reclining hinge bracket 76, and the like. It can be reclined in the front-rear direction.
Further, front row seats 81 and 82 are disposed in front of the first rear seat 71 and the second rear seat 72, and the front row seats 81 and 82 are arranged in parallel with a driver's seat 81 and a passenger arranged in the vehicle width direction. A driver's seat 81 is disposed in front of the first rear seat 71, and a passenger's seat 82 is disposed in front of the second rear seat 72. In other words, the first rear seat 71 is disposed behind the driver's seat 81, and the second rear seat 72 is disposed behind the passenger seat 82.

  As shown in FIGS. 5, 6, and 18, the driver's seat 81 and the passengers seat 82 are independent left and right separate seats (buckets) having seat cushions 83 and 83, seat backs 84 and 84, and headrests 85 and 85, respectively.・ Sheet).

  As shown in FIG. 18, the passenger's seat 82 is disposed so as to be offset from the driver's seat 81 toward the front of the vehicle, while the second rear seat 72 is positioned more than the first rear seat 71 on the rear row seat side. It is arranged so as to be offset forward. That is, the first rear seat 71 is disposed offset from the second rear seat 72 toward the rear of the vehicle.

  As shown in FIGS. 5 and 6, the driver's seat 81 and the passenger's seat 82 can be seated by front seat passengers Z1 and Z2 that are larger than the passenger Y, and the rear seats of the driver seat side Dr, that is, Since the rear seat occupant X, which is substantially the same as the size of the front seat occupants Z1 and Z2, can be seated on the first rear seat 71, the passengers seat 82 and the passengers seat 82 and The space before and after the second rear seat 72 can be made appropriate.

  In particular, communication is facilitated between the occupant Z1 of the driver's seat 81 in the front row seat and the occupant Y of the second rear seat 72 located diagonally rearward with respect to the driver's seat 81.

  Further, if the occupant Y with a small physique sits on the first rear seat 71 located behind (directly behind) the driver's seat 81, the occupant Z1 with the large physique of the driver's seat 81 causes the rear seat occupant Y to see the front view. However, the rear seat occupant X can be seated on the first rear seat 71 as shown in FIG. 5 because the rear seat occupant X can be seated in the same size as the front seat occupant Z1. This makes it possible to eliminate the feeling of pressure and occlusion.

  In the figure, 86 is a steering wheel, 87 is an instrument panel, 88 is a bonnet, 89 is a roof portion, and 90 is a front wheel. In the drawing, an arrow F indicates the front of the vehicle.

  As described above, the vehicle seat arrangement structure of the embodiment shown in FIGS. 1 to 18 includes a front row seat in which the driver's seat 81 and the passenger's seat 82 are juxtaposed on the floor panel 2 of the passenger compartment R, A vehicle seat arrangement structure including a rear row seat in which a pair of seats 71 and 72 are arranged side by side, and the floor panel 2 is provided with a kick-up portion 3 that is stepped upward, The kick-up unit 3 includes a first kick-up unit 4, a second kick-up unit 5 that is juxtaposed with the first kick-up unit 4 in the vehicle width direction and that is higher in the height direction than the first kick-up unit 4. The first rear seat 71 is disposed on the first kick-up portion 4, and the occupant Y is smaller on the second kick-up portion 5 than the occupant X seated on the first rear seat 71. Second rear seat 72 Disposed, driver's seat 81 in front of the first rear seat 71 is disposed, in which the passenger's seat 82 in front of the second rear seat 72 is disposed.

According to this configuration, the above-described kick-up unit 3 includes the first kick-up unit 4 and the second kick-up unit 5 having different heights. In addition, it is possible to increase the degree of freedom of layout of seats, auxiliary machines and the like for the space outside the passenger compartment.
A first rear seat 71 is disposed on the first kick-up portion 4 having a relatively low height so as to correspond to the vehicle interior space (the space is relatively large). A second rear seat 72 for the occupant Y having a small physique is disposed on the second kick-up portion 5 that is higher than the rear seat 71 in order to accommodate the vehicle interior space (the space is relatively small). Since a driver's seat 81 and a passenger's seat 82 are respectively arranged in front of the vehicle 72, the space in the vehicle interior can be used appropriately, and each passenger Z1, Z2, X can be used in a compact body with a low overall height. , Y while ensuring the comfort of a multi-person ride of three adults and one child (or woman), and by arranging the front row seats 81 and 82 and the rear row seats 71 and 72, Before and after each seat Holds pace good balance, it is possible to ensure the comfort of the occupant Dear seated in each of these sheets.

  Further, a passenger's seat 82 is disposed offset from the driver's seat 81 toward the front of the vehicle.

  According to this configuration, it is possible to achieve both the space for the passenger seat and the space for the second rear seat 72 on the passenger seat side, and the comfort of the passenger Y seated on the second rear seat 72 can be improved. it can.

  In other words, since the steering wheel 86 exists on the driver's seat side, the driver's seat 81 cannot be disposed forward, but the passenger's seat space is secured by the absence of the steering wheel 86 on the passenger seat side. The passenger's seat 72 can be offset and disposed on the front side, whereby the foot space of the second rear seat 72 on the passenger seat side can be increased.

  Moreover, since the second rear seat 72 is set for the occupant Y having a small physique, the second kick-up portion 5 can be formed higher than the structure set for the occupant X having a large physique. The space below the vehicle outside of the second kick-up portion 5 can be expanded, and a main tank 37 serving as a large vehicle auxiliary machine is disposed in the space below the vehicle outside to expand the tank capacity. Increase can be achieved.

  In addition, a first vehicle accessory (see sub tank 36) is disposed below the first kick-up portion 4.

  According to this configuration, the first vehicle accessory (sub tank 36) can be disposed by effectively using the lower space outside the vehicle of the first kick-up portion 4.

  Also, below the second kick-up portion 5, a large second vehicle accessory (see main tank 37) is arranged in the height direction from the first vehicle accessory (sub tank 36).

  According to this configuration, the first vehicle auxiliary machine (sub tank 36) is disposed below the first kick-up portion 4 in which the lower space outside the vehicle is relatively small, and is higher than the first kick-up portion 4. A large second vehicle accessory (in the height direction with respect to the first vehicle accessory (sub-tank 36) is located below the second kick-up portion 5 which is high in height and has a relatively large lower space outside the vehicle. Since the main tank 37) is provided, in a compact body with a short nose and a low overall height, the arrangement of a plurality of large vehicle auxiliary machines (see the sub tank 36 and the main tank 37) and a multi-person ride can be achieved. be able to.

  In particular, since the vehicle auxiliary machines (see the tanks 36 and 37) are respectively arranged below the first and second kick-up portions 4 and 5, vehicle auxiliary machines (sub tank 36 and main tank 37) having different sizes are provided. ) Can be sorted and packaged efficiently.

  In addition, the first vehicle accessory is set in the first fuel tank (see the sub tank 36).

  According to this configuration, since the first fuel tank (sub tank 36) can be disposed below the first kick-up portion 4 on the lower side in the height direction, the tank capacity of the fuel tank 39 is appropriately secured. can do.

  The second vehicle accessory is set as a second fuel tank (see main tank 37), and the second fuel tank (main tank 37) is a first fuel tank (sub tank 36) as the first vehicle accessory. Communicated with.

  According to this configuration, the first and second fuel tanks (the sub tank 36 and the main tank 37) are disposed below the kick up parts 4 and 5 having different heights. It is possible to ensure the tank capacity of the fuel tank 39 by using the lower space outside the vehicle 4 and 5 effectively.

  Further, the second kick-up portion 5 is offset forward with respect to the first kick-up portion 4, and the large second fuel tank (main tank 37) in the height direction is offset forward with the second kick-up portion 5. It is disposed below the up portion 5.

  According to this configuration, since the second kick-up portion 5 that is tall in the height direction is offset forward with respect to the first kick-up portion 4, the space below the vehicle exterior side of the second kick-up portion 5 is expanded. Since the large second fuel tank (main tank 37) is disposed below the second kick-up portion 5, the tank capacity of the fuel tank 39 can be increased.

  In addition, the first fuel tank (sub tank 36) and the second fuel tank (main tank 37) communicate with each other via a tunnel tank portion 38 that rises upward and extends in the vehicle width direction, and below the tunnel tank portion 38. Is provided with a third vehicle auxiliary machine (see the exhaust pipe 30 and the propeller shaft 22).

  According to this configuration, the first fuel tank (sub tank 36) and the second fuel tank (main tank 37) are communicated with each other through the tunnel tank portion 38, so that the tank capacity of the fuel tank 39 is secured and the third vehicle auxiliary is provided. It is possible to achieve compatibility with the machine layout.

  In particular, the first and second fuel tanks (refer to the tanks 36 and 37) can be connected and integrated in the tunnel tank portion 38 while ensuring the maximum tank capacity. In addition to simplification, it is possible to achieve both simplification of the mounting structure and support structure and improvement of assembly.

  In addition, the third vehicle accessory is set to the exhaust pipe (see the middle exhaust pipe 30) and / or the propeller shaft 22.

  According to this configuration, the tank capacity of the fuel tank 39 is secured and the layout of the exhaust pipe (exhaust pipe 30) or / and the propeller shaft 22 (in the case of FR, 4WD, etc.) as the third vehicle auxiliary device is achieved. be able to.

  Further, the first rear seat 71 is disposed to be offset rearward from the second rear seat 72.

  According to this configuration, it is possible to ensure the comfortability of the occupant seated on the first rear seat 71 as the rear row seat behind the driver's seat 81, and the first rear seat 71 is seated on the second rear seat 72. The occupant X having a larger physique than the occupant Y can be seated.

  Further, as disclosed in the examples, No. If left and right cross members 14 and 15 as three cross members are provided and these cross members 14 and 15 are connected by connect members 45 and 46, the rigidity of the lower vehicle body can be improved.

  Further, as disclosed in the embodiment, No. 1 extends in the vehicle width direction behind the kick-up portion 3. If the rear cross members 16 and 17 as the four cross members are provided, the rear vehicle body rigidity can be secured, and if the rear cross members 16 and 17 are offset in the front-rear direction, the left and right sides of the vehicle compartment R are sufficient. As well as the space in the passenger compartment R (in particular, the front and rear space between the kick-up portion 3 and the rear cross members 16 and 17 for the rear seats X and Y to be seated). Necessary front-rear dimensions can be secured appropriately on the left and right. In short, in a compact body having a low overall height, it is possible to achieve both a degree of freedom in layout and securing of rear body rigidity.

  Further, as disclosed in the embodiment, the rear cross members 16 and 17 are disposed behind the first kick-up portion 4 (see the rear cross member 16) and behind the second kick-up portion 5. The parts to be disposed (see the rear cross member 17) are divided and formed, and when these members 16 and 17 are connected by the connect member 57, the divided rear cross members 16 and 17 are connected by the connect member 57. With the connection structure, the rear vehicle body rigidity can be improved.

  Further, as disclosed in the embodiment, the rear cross members 16 and 17 are disposed at the rear of the first kick-up portion 4 (see the rear cross-member 16) and behind the second kick-up portion 5. If the portion to be disposed (see the rear cross member 17) and the connect member 57 that connects both the members 16 and 17 are formed in a closed cross-sectional structure, the rear vehicle body rigidity can be further improved.

  FIG. 19 shows another embodiment, in which a fuel pump 40 is provided in the upper part of the main tank 37, while an opening 5c is formed in the kick-up floor 5b of the second kick-up 5 and the opening 5c is interposed therebetween. Thus, the above-described fuel pump 40 (a part of the fuel tank 39) is disposed in the closed cross section 15a of the cross member 15.

  Further, an extension part 37a extending upward along the rear kick-up part 6B is provided at the rear part of the main tank 37.

  With this configuration, even in a compact body with a low overall height, the fuel pump can be used as a part of a vehicle auxiliary machine without increasing the vertical dimension of the auxiliary equipment and without disturbing the occupant's comfortability. 40 can be laid out appropriately. Further, the tank capacity of the fuel tank 39 can be increased by the above-described extending portion 37a.

  In this embodiment shown in FIG. 19 as well, the other configurations, operations, and effects are the same as those of the previous embodiment. Therefore, in FIG. 19, the same parts as those in FIG. Is omitted.

  20 and 21 show another embodiment. In the previous embodiment shown in FIGS. 1 to 18, the cross members 14 and 14 are disposed on the upper front side of the first and second kick-up portions 4 and 5, respectively. 20 and FIG. 21, in this embodiment shown in FIGS. 20 and 21, cross members 14 and 15 are provided below the front portions of the first and second kick-up portions 4 and 5, respectively. A sub tank 36 and a main tank 37 that do not interfere with the cross members 14 and 15 are disposed below the corresponding kick-up portions 4 and 5.

  In this embodiment shown in FIGS. 20 and 21, other configurations, operations, and effects are almost the same as those in the previous embodiment. Therefore, in FIGS. 20 and 21, the same parts as those in FIGS. Are given the same reference numerals and their detailed description is omitted.

In the correspondence between the configuration of the present invention and the above-described embodiment,
The driver seat of this invention corresponds to the driver's seat 81 of the embodiment,
Similarly,
The passenger seat corresponds to the passenger seat 82,
The first rear seat corresponds to the first rear seat 71,
The second rear seat corresponds to the second rear seat 72,
The first vehicle auxiliary machine and the first fuel tank correspond to the sub tank 36,
The second vehicle auxiliary machine and the second fuel tank correspond to the main tank 37,
The third vehicle auxiliary machine corresponds to the exhaust pipe 30 or / and the propeller shaft 22,
The present invention is not limited to the configuration of the above-described embodiment.
For example, in the above-described embodiment, the configuration applied to the left-hand drive vehicle is illustrated, but it is needless to say that the above structure may be applied to the right-hand drive vehicle.

Side view of a vehicle provided with a seat arrangement structure of the present invention The perspective view which shows the lower body structure of a vehicle Plan view of FIG. Bottom view of the main part of the vehicle Side view showing the configuration of the driver's seat Side view showing the configuration of the passenger side Perspective view of fuel tank Front view of fuel tank 3 is a cross-sectional view taken along line AA in FIG. BB cross-sectional view of FIG. CC sectional view taken along the line CC in FIG. DD sectional view taken along line D-D in FIG. GG arrow sectional view of FIG. Disassembled perspective view of reinforcing member An exploded perspective view showing another embodiment of the reinforcing member Connected member perspective view The perspective view which shows the other Example of a connect member Plan view showing a vehicle seat arrangement structure Side view showing another embodiment of passenger side Side view showing another embodiment of the vehicle body structure on the driver's seat side Side view showing another embodiment of the vehicle body structure on the passenger seat side Plan view showing conventional auxiliary equipment arrangement structure Side view of the driver side in FIG. Side view of passenger side in FIG.

Explanation of symbols

R ... Vehicle compartment 2 ... Floor panel 3 ... Kick-up part 4 ... First kick-up part 5 ... Second kick-up part 22 ... Propeller shaft (third vehicle auxiliary machine)
30 ... Exhaust pipe (third auxiliary vehicle)
36 ... Sub tank (first vehicle accessory, first fuel tank)
37 ... Main tank (second vehicle auxiliary machine, second fuel tank)
38 ... Tunnel tank section 39 ... Fuel tank 71 ... First rear seat (first rear seat)
72. Second rear seat (second rear row seat)
81 ... Driver's seat (driver's seat)
82 ... Passengers seat (passenger seat)

Claims (10)

A front row seat in which a driver seat and a passenger seat are juxtaposed on the floor panel of the passenger compartment;
A vehicle seat arrangement structure comprising a rear row seat in which a pair of seats are arranged side by side,
The floor panel is provided with a kick-up portion raised upward,
The kick-up portion includes a first kick-up portion, a second kick-up portion that is arranged in parallel with the first kick-up portion in the vehicle width direction and is higher in the height direction than the first kick-up portion,
A first rear row seat is disposed on the first kick up portion, and a second rear row seat for an occupant having a smaller physique than an occupant seated on the first rear row seat is disposed on the second kick up portion. And
The driver seat is disposed in front of the first rear row seat,
A vehicle seat arrangement structure in which the passenger seat is arranged in front of the second rear row seat. The vehicle seat arrangement structure according to claim 1, wherein the passenger seat is arranged offset from the driver seat. The vehicle seat arrangement structure according to claim 1 or 2, wherein a first vehicle auxiliary machine is arranged below the first kick-up portion. 4. The vehicle seat arrangement structure according to claim 3, wherein a large second vehicle auxiliary machine is arranged below the second kick-up portion in a height direction from the first vehicle auxiliary machine. The vehicle seat arrangement structure according to claim 3 or 4, wherein the first vehicle accessory is set in a first fuel tank. 6. The vehicle seat arrangement structure according to claim 5, wherein the second vehicle auxiliary machine is set as a second fuel tank, and the second fuel tank communicates with a first fuel tank as the first vehicle auxiliary machine. The second kick-up portion is offset forward with respect to the first kick-up portion,
The vehicle seat arrangement structure according to claim 6, wherein the second fuel tank that is large in the height direction is arranged below the second kick-up portion that is offset forward. The first fuel tank and the second fuel tank communicate with each other via a tunnel tank portion that rises upward and extends in the vehicle width direction,
The vehicle seat arrangement structure according to claim 6 or 7, wherein a third vehicle auxiliary machine is arranged below the tunnel tank portion. 9. The vehicle seat arrangement structure according to claim 8, wherein the third vehicle accessory is set to an exhaust pipe or / and a propeller shaft. The vehicle seat arrangement structure according to any one of claims 1 to 9, wherein the first rear row seat is arranged to be offset rearward from the second rear row seat.

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