JP2012061914A - Lower body structure of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lower body structure of a vehicle in which interference between an occupant's knee and a center console can be avoided when the occupant assumes an easy posture.SOLUTION: The vehicle includes: a driver seat 5 and a passenger seat 6 arranged on a floor panel 3 of the vehicle; a tunnel part 3b arranged between the driver seat 5 and the passenger seat 6 over the front-back direction; and a center console 14 arranged between the driver seat 5 and the passenger seat 6 over the front-back direction, from an instrument panel 7 arranged ahead of the driver seat 5 and the passenger seat 6 over the vehicle width direction. The tunnel part 3b has a recess 3h recessed inside in the vehicle width direction in a side surface part 3d thereof, and the recess 3h is arranged ahead of the driver seat 5 or the passenger seat 6.

Description

  The present invention relates to a driver seat and a passenger seat disposed on a floor panel of a vehicle, a tunnel portion disposed in the front-rear direction between the driver seat and the passenger seat, and the driver panel from the instrument panel. The present invention relates to a lower vehicle body structure of a vehicle provided with a center console disposed in the front-rear direction between a seat and the passenger seat.

  Conventionally, in addition to a shift lever and a parking lever, an armrest, a cup holder, and the like have been laid out on the upper surface of the center console disposed between the driver's seat and the passenger seat in consideration of occupant convenience. In recent years, a navigation commander may be laid out on the upper surface of the center console as an operation means of a navigation device that guides a travel route to a destination.

  Further, on the floor panel at the lower part of the vehicle, a tunnel portion is provided between the driver's seat and the passenger seat in the vehicle front-rear direction, like the above-described center console. In many cases, the tunnel portion is formed so that both side portions on the driver's seat side and the passenger seat side are spread outward in the vehicle width direction, and in Patent Document 1 below, the general cross-sectional shape of the tunnel portion is It is disclosed.

JP 2008-265691 A

  By the way, as described in Patent Document 1, when the side surface portion of the tunnel portion extends downward toward the vehicle width direction, the occupant looks at the lower portion of the tunnel portion bulging outward in the vehicle width direction (vehicle interior). In order to avoid this, try to place your feet on the outside in the vehicle width direction.

  However, as the occupant's feet are placed on the outer side in the vehicle width direction, the occupant pulls his / her feet backwards in a comfortable posture (specifically, a so-called prone posture in which both feet are pulled backward in the vehicle width direction). ), The knee position becomes low, and the knee and the center console approach and interfere with each other.

  In recent years, as for the center console, since various members such as a shift lever and a parking lever are laid out on the upper surface portion as described above, those having a wide upper surface width are desired.

  However, the center console may have its upper surface set to a high position for reasons of operability and design of the shift lever, etc. If the upper width of the center console is widened as described above, When the door is opened, the passenger's knee is more likely to interfere with the center console.

  Thus, conventionally, when the occupant takes a comfortable posture due to the cross-sectional shape of the tunnel portion disclosed in Patent Document 1 and the wide width of the upper surface of the center console, It was much easier to interfere with the console.

  It is an object of the present invention to provide a lower vehicle body structure of a vehicle that can avoid interference between the occupant's knees and a center console when the occupant takes a comfortable posture.

  The vehicle lower body structure according to the present invention includes a driver seat and a passenger seat disposed on a vehicle floor panel, and a tunnel portion disposed in the front-rear direction between the driver seat and the passenger seat; A center console disposed in the front-rear direction between the driver seat and the passenger seat from an instrument panel disposed in the vehicle width direction in front of the driver seat and the passenger seat; The tunnel portion has a recessed portion that is recessed inward in the vehicle width direction on the side surface portion thereof, and the recessed portion is disposed in front of the driver seat or the passenger seat. It has been done.

  According to this configuration, in the side surface portion of the tunnel portion, by forming the recessed portion in front of the driver's seat or the passenger seat, the occupant can place the toe as far as possible in the vehicle width direction, The opening of the legs when the occupant takes a comfortable posture can be suppressed as compared with the conventional case. In this way, if the occupant's foot opening is suppressed, the knee can be held at a high position spaced from the center console, and interference between the knee and the center console can be avoided.

  In one embodiment of the present invention, an exhaust system is disposed in the front-rear direction of the vehicle in the tunnel portion, and the recessed portion is provided on either the driver seat side or the passenger seat side of the tunnel portion. The exhaust system is disposed offset to the side opposite to the recessed portion.

  According to this configuration, the interference between the recessed portion and the exhaust system can be avoided by separating the recessed portion and the exhaust system.

  In one embodiment of the present invention, a side surface portion of the tunnel portion opposite to the side where the recessed portion is disposed bulges into a vehicle interior at a position corresponding to the recessed portion. A bulging portion is provided.

  According to this structure, the side part opposite to the side where the recessed part is disposed can be separated from the exhaust system. Thereby, the heat damage prevention space for preventing the heat generated from the exhaust system from being transmitted to the opposite side can be secured.

  In one embodiment of the present invention, an exhaust system is disposed in the tunnel portion, and the exhaust system is provided with a recessed portion that is relatively recessed at a position corresponding to the recessed portion. is there.

  According to this configuration, a bulging portion is formed on the side surface portion opposite to the side where the recessed portion is disposed, and a heat damage prevention space is ensured without sacrificing the foot space on the opposite side. be able to.

  In one embodiment of the present invention, a center console recessed portion that is displaced inward in the vehicle width direction is disposed on a part of the center console.

  According to this configuration, since the recessed portion is formed in the center console, it is possible to prevent interference with the center console when the occupant tries to open his / her foot, and thus the occupant can take an easy posture. it can.

  According to this invention, in the side surface portion of the tunnel portion, by forming the recessed portion in front of the driver's seat or the passenger seat, the occupant can place the toe as far as possible in the vehicle width direction, The opening of the legs when the occupant takes a comfortable posture can be suppressed as compared with the conventional case. In this way, if the occupant's foot opening is suppressed, the knee can be held at a high position spaced from the center console, and interference between the knee and the center console can be avoided.

The top view which shows the vehicle to which the lower vehicle body structure which concerns on embodiment of this invention is applied. FIG. 2 is a side sectional view of FIG. 1. The bottom view of FIG. FIG. 4 is a cross-sectional view taken along line AA in FIG. 3. The top view which shows a center console recessed part formation structure and a displacement member arrangement | positioning structure. The principal part enlarged side view of FIG. FIG. 7 is a cross-sectional view taken along line B-B in FIG. 6. The perspective view which shows the exhaust system which concerns on other embodiment of this invention. Sectional drawing of the vehicle provided with the exhaust system shown in FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a plan view showing a vehicle to which a lower vehicle body structure according to an embodiment of the present invention is applied. In the drawing, the arrow (F) indicates the front of the vehicle body, and the arrow (R) indicates the rear of the vehicle body. In the present embodiment, as shown in FIG. 1, side sills 1, 1 are disposed so as to extend in the vehicle front-rear direction on both sides in the vehicle width direction, and between the left and right side sills 1, 1, the floor surface of the passenger compartment 2 A floor panel 3 is formed.

  FIG. 2 is a sectional side view of FIG. As shown in FIGS. 1 and 2, the floor panel 3 includes a floor surface 3 a of the vehicle compartment 2 and a tunnel portion 3 b that bulges from the floor surface 3 a to the vehicle compartment 2 side (upper side) at the center in the vehicle width direction. Have.

  In the floor panel 3, the front end portion of the floor surface 3 a is inclined rearwardly downward from the lower end portion of the dash lower panel 4 as shown in FIG. 2, while the floor surface 3 a faces the rear of the vehicle behind the front end portion. It extends substantially flat. A driver's seat 5 and a passenger's seat 6 are disposed on the floor surface 3a extending substantially flat as shown in FIGS.

  In addition, an instrument panel 7 is disposed in front of the driver's seat 5 and the passengers seat 6 so as to extend in the vehicle width direction. On the driver's seat 5 side, an accelerator pedal 8 and a brake pedal 9 that are operated by an occupant X (see FIG. 2) are disposed below the instrument panel 7. In the present embodiment, the driver's seat 5 is located on the left side of the passenger compartment 2, and correspondingly, on the left side of the instrument panel 7 is a meter hood 10 (FIG. 2) that covers meters (not shown). Reference) is provided. Further, a steering wheel 11 is disposed on the left rear side of the instrument panel 7. However, the present invention is not necessarily limited to the driver's seat 5 being disposed on the left side, and may be disposed on the right side.

  In addition, on the surface of the instrument panel 7, for example, in the vehicle width direction central portion 7a, various types such as a blow grill 12 for blowing air conditioning air or the like to the central portion in the passenger compartment 2, a navigation device, and audio. An operation display screen 13 for in-vehicle electrical equipment is arranged.

  Further, in the vehicle compartment 2, the vehicle front-rear direction extends from the center portion 7 a of the instrument panel 7 above the tunnel portion 3 b of the floor panel 3 and passes between the driver's seat 5 and the passengers seat 6. A center console 14 extending in the direction is provided.

  The center console 14 has vertical wall portions 14A on the left and right side portions thereof, and an upper surface portion 14B between the vertical wall portions 14A and 14A. Here, a console box 15 is provided on the upper surface portion 14 </ b> B, and a console lid 16 on the console box 15 can be used as an armrest serving also as an occupant for the driver's seat 5 and the passenger's seat 6. Further, a shift lever 17, a parking brake lever 18, a driver's seat 5, and a cup holder 19 serving as an occupant for the passenger's seat 6 are disposed on the upper surface portion 14B.

  On the floor panel 3, cross members 20 and 21 that extend in the vehicle width direction and connect the side sill 1 and the floor tunnel 3b are disposed.

  The cross members 20 and 21 have a substantially hat-shaped cross section as shown in FIG. 2 and have flange portions 20a and 21a at the edges thereof. The flange portions 20a and 21a are side sills 1, 1, floors. It is joined to the surface 3a and the tunnel portion 3b. And between the floor panel 3 and the cross member 20, closed cross sections 20A and 21A extending in the vehicle width direction are formed.

  As shown in FIGS. 1 and 2, seat slide rails 30 and 30 that support the driver's seat 5 and the passenger's seat 6 so as to be slidable in the vehicle front-rear direction are disposed in the passenger compartment 2. Here, the lower rail 31 of the seat slide rail 30 is disposed between the cross members 20 and 21 described above, and the lower rail 31 is arranged on both sides of the driver's seat 5 and the passenger's seat 6 in the vehicle width direction. Two are arranged in parallel so as to extend in the direction. The lower rail 31 has a front end fixed to the upper surface of the cross member 20, and a rear end fixed to the upper surface of the cross member 21.

  The driver's seat 5 and the passenger's seat 6 have seat cushions 5C and 6C, seat backs 5B and 6B, and headrests 5H and 6H, respectively, as shown in FIGS. An upper rail 32 of the seat slide rail 30 is attached to the bottom surface of the seat cushions 5C and 6C as shown in FIG. Here, FIG. 1 and FIG. 2 show a state in which the driver's seat 5 and the passenger's seat 6 are at the rearmost position. In FIG. 2, only the driver's seat 5 is shown for convenience, but the structure of the seat slide rail 30 and its periphery is the same on the passenger's seat 6 side.

  In the seat slide rail 30, an upper rail 32 is fitted to the lower rail 31, and the upper rail 32 is supported by the lower rail 31 so as to be slidable in the vehicle front-rear direction. For this reason, by sliding the upper rail 32 back and forth, the driver's seat 5 including the seat cushions 5C and 6C and the passenger's seat 6 can be slid in the vehicle front-rear direction.

  Further, a center console recessed portion 40 (hereinafter referred to as a recessed portion 40) that is recessed inward in the vehicle width direction at the upper corner portion on the driver seat side of the center console 14 across the vertical wall portion 14A and the upper surface portion 14B. For short). That is, the recessed portion 40 is recessed on the inner side in the vehicle width direction than the general surface of the center console 14.

  Further, a shift lever guiding plate assembly 50 is provided on the upper surface portion 14 </ b> B of the center console 14 corresponding to the position where the shift lever 17 is disposed.

  3 is a bottom view of FIG. 1, and FIG. 4 is a cross-sectional view taken along line AA in FIG. In the present embodiment, the tunnel portion 3b of the floor panel 3 includes an upper surface portion 3c and side surface portions 3d, 3e extending downward from both sides in the vehicle width direction of the upper surface portion 3c, as shown in FIGS. Most of the tunnel portion 3b has a cross-sectional shape that spreads outward in the vehicle width direction as the side surface portions 3d and 3e go downward. In the present specification, among the side surface portions 3d and 3e formed so as to spread outward in the vehicle width direction as it goes downward, it is continuous from the side of the driver's seat 5 and passenger seat 6 toward the rear of the vehicle. The parts extending to 3 are defined as main surfaces (general surfaces) 3f and 3g.

  On the other hand, in the side surface portion 3d on the driver's seat 5 side, a recessed portion 3h that is recessed inward in the vehicle width direction compared to the general surface 3f is formed in a portion in front of the driver's seat 5.

  Further, in the side surface portion 3e opposite to the side surface portion 3d where the recessed portion 3h is formed, the side surface portion 3e swells outward in the vehicle width direction (inside the vehicle compartment 2) compared to the general surface 3g at a position corresponding to the recessed portion 3h. A protruding bulging portion 3i is formed.

  Further, an exhaust system 60 as shown in FIGS. 3 and 4 is disposed inside the tunnel portion 3b. The exhaust system 60 has an exhaust pipe 61 connected to the exhaust side of an engine (not shown) disposed in front of the dash lower panel 4 (see FIG. 2), a catalytic converter 62, and a pre-silencer 63. The vehicle is disposed so as to extend in the vehicle front-rear direction along the tunnel portion 3b.

  And in this embodiment, the site | part in the position corresponding to the recessed part 3h of the tunnel part 3b and the vehicle front-back direction among the exhaust systems 60 is offset and arrange | positioned on the opposite side to the recessed part 3h. Specifically, with respect to the exhaust pipe 61 and the pre-silencer 63 at positions corresponding to the general surfaces 3f and 3g of the side faces 3d and 3e, the exhaust pipe 61 and the catalytic converter at positions corresponding to the recessed portions 3h. 62 is disposed offset to the bulging portion 3i side opposite to the recessed portion 3h.

5 is an enlarged plan view of the main part of FIG. 1, FIG. 6 is an enlarged side view of the main part of FIG. 2, and FIG. 7 is a cross-sectional view taken along the line BB of FIG. A vehicle center console structure will be described in detail with reference to FIG.
As shown in FIG. 5 to FIG. 7, the above-described recessed portion 40 has a substantially horizontal portion extending in the front-rear direction in a side view as shown in FIG. And a curved portion that gently curves along and rises upward.

  FIG. 5 shows a planar structure of the recessed portion 40, and this recessed portion 40 is disposed in the vehicle front-rear direction, and is inclined so that the front is outside in the vehicle width direction compared to the rear. ing.

  Further, the seat cushion 5C shown by a solid line in FIG. 6 indicates the position of the seat cushion 5C of the driver's seat 5 positioned at the rearmost end by the seat slide, and the recessed portion 40 described above is the last as shown in FIG. It is disposed forward from a position overlapping the front portion of the seat cushion 5C located at the end.

As shown in FIGS. 3 to 7, the above-described center console 14 covers the recessed portion 30 and is disposed so as to be continuous with the vertical wall portion 14 </ b> A and the upper surface portion 14 </ b> B of the center console 14. It has. In other words, the displacement member 41 is disposed so as to be continuous with the general surface of the center console 14, and the displacement member 41 is bonded and fixed to the recessed portion 40 using an adhesive (not shown). .
The displacement member 41 includes a cushion material 42 such as a sponge and a skin 43 surrounding the cushion material 42, and is elastically deformed when the occupant's legs abut against the displacement member 41. The leg portion is formed so as to return to the original state when it is separated from the displacement member 41.

  By the way, as shown in FIGS. 5 and 7, the plate assembly 50 includes a base plate 51, an auxiliary plate 52, a guide plate 53, and a display plate 54.

  Thus, in the present embodiment, in the side surface portion 3d of the tunnel portion 3b, the recessed portion 3h that is recessed inward in the vehicle width direction compared to the general surface 3f is formed in front of the driver's seat 5. For example, the operation of the accelerator pedal 8 becomes unnecessary due to the vehicle's auto-cruise traveling, and the occupant X of the driver's seat 5 moves the foot Xa backward from the accelerator pedal 8 as shown by a thick two-dot chain line in FIGS. When pulled, the toe can be placed at a corner portion between the floor surface 3a and the recessed portion 3f on the inner side in the vehicle width direction from the general surface 3f.

  By the way, conventionally, since the general surface 3f of the side surface portion 3d is continuous to the front of the driver's seat 5, the lower portion of the side surface portion 3d bulging outward in the vehicle width direction (generally indicated by a two-dot chain line in FIG. 4) In order to avoid the surface 3f), the occupant X has placed his feet on the outside in the vehicle width direction, like the foot Xa 'indicated by a thin two-dot chain line in FIG.

  However, as the foot of the occupant X is placed on the outer side in the vehicle width direction, when the occupant X opens the foot Xa ′ in the vehicle width direction to take a comfortable posture, the opening of the foot Xa ′ is larger as shown in FIG. Thus, the position of the knee Xb ′ is lowered. For this reason, conventionally, the knee Xb ′ and the center console 14 are easy to approach and interfere with each other.

  On the other hand, in this embodiment, it is possible to place the toe pulled from the accelerator pedal 8 on the inner side in the vehicle width direction than the general surface 3f by the recessed portion 3h formed in front of the driver's seat 5. Thus, the opening of the foot Xa when the occupant X takes an easy posture can be suppressed as compared with the conventional case. As described above, if the opening of the foot Xa of the occupant X is suppressed, the knee Xb can be held at a high position separated from the center console 14, and the interference between the knee Xb and the center console 14 can be avoided.

  Further, since the exhaust system 60 is disposed offset to the opposite side to the recessed portion 3h, the recessed portion 3h that is recessed inward in the vehicle width direction from the other general surface 3f, the exhaust system 60, Can be separated, thereby avoiding interference between the two.

  Further, a bulge that bulges into the passenger compartment 2 at a position corresponding to the recessed portion 3h on the side opposite to the side where the recessed portion 3h is disposed, that is, on the side surface portion 3e on the passenger's seat 6 side. By providing the part 3 i, the side part 3 e can be separated from the exhaust system 60. Thereby, the heat damage prevention space for preventing that the heat emitted from the exhaust system 60 is transmitted to the passenger's seat 6 side can be secured.

  Further, since the center console 14 is provided with a recessed portion 40 that is displaced inward in the vehicle width direction compared to the general surface, when the occupant X tries to open the foot Xa, interference with the center console 14 is prevented. Thus, the occupant X can take an easy posture.

  By the way, in the above-described embodiment, the exhaust system 60 is disposed offset to the opposite side of the recessed portion 3h in order to avoid interference between the recessed portion 3h and the exhaust system 60. However, the present invention is not limited to this. It is not limited to. For example, as shown in FIGS. 8 and 9, in the catalytic converter 72 constituting the exhaust system 70, a relatively recessed recess 72a is formed at a position corresponding to the recessed portion 3h, and the exhaust system 70 is formed by the recess 72a. And the recessed portion 3h may be separated from each other.

  FIG. 8 is a perspective view showing an exhaust system 70 according to another embodiment of the present invention, and FIG. 9 is a sectional view of a vehicle including the exhaust system 70 shown in FIG. In FIG. 8 and FIG. 9, the same components as those in the first embodiment shown in FIG. 1 to FIG.

  In the embodiment shown in FIGS. 8 and 9, by forming the concave portion 72a in the catalytic converter 72 as described above, a portion at a position corresponding to the concave portion 3h of the tunnel portion 3b in the vehicle longitudinal direction is offset. Instead, they are disposed at substantially the same position in the vehicle width direction as the portions corresponding to the general surfaces 3f and 3g.

  For this reason, in this embodiment, the bulging portion 3i (see FIG. 1 and the like) is formed on the side surface portion 3e ′ on the passenger's seat 6 side, so that the foot space on the passenger's seat 6 side is not sacrificed. A harm prevention space can be secured.

  In the present invention, as shown in FIGS. 3 and 4, the exhaust system is disposed offset to the opposite side of the recessed portion, and the exhaust system recessed portion as shown in FIGS. You may combine with the structure which forms a recessed part.

  Moreover, in each embodiment mentioned above, although the recessed part 3h was formed only in the side part 3d by the side of the driver's seat 5, this invention is not necessarily limited to this, The passenger's seat 6 side The recessed portions may be formed only on the side surface portion 3e, or on the side surface portions 3d and 3e on both the driver's seat 5 side and the passenger's seat 6 side.

In correspondence between the configuration of the present invention and the above-described embodiment,
The driver seat of the present invention corresponds to the driver's seat 5,
Similarly,
The passenger seat corresponds to the passengers seat 6,
The present invention is not limited only to the configuration of the above-described embodiment, and many embodiments can be obtained.

DESCRIPTION OF SYMBOLS 3 ... Floor panel 3b ... Tunnel part 3h ... Recessed part 3i ... Swelling part 5 ... Driver's seat 6 ... Passengers seat 7 ... Instrument panel 14 ... Center console 40 ... Center console recessed part 60, 70 ... Exhaust system 72a ... recess

Claims (5)

A driver's seat and a passenger seat arranged on the floor panel of the vehicle;
A tunnel portion disposed in the front-rear direction between the driver seat and the passenger seat;
A center console disposed in the front-rear direction between the driver seat and the passenger seat from an instrument panel disposed in the vehicle width direction in front of the driver seat and the passenger seat; Vehicle,
The tunnel portion has a recessed portion that is recessed in the vehicle width direction on the side surface portion thereof,
The recessed portion is a lower vehicle body structure of a vehicle disposed in front of the driver seat or the passenger seat. In the tunnel portion, an exhaust system is disposed in the vehicle longitudinal direction,
The recessed portion is disposed on a side surface portion of either the driver seat side or the passenger seat side of the tunnel portion,
The lower body structure of a vehicle according to claim 1, wherein the exhaust system is disposed offset to the opposite side to the recessed portion. The bulging part which bulges in a vehicle interior is provided in the side part on the opposite side to the side by which the said recessed part is arrange | positioned among the said tunnel parts in the position corresponding to the said recessed part. The lower body structure of the vehicle according to 2. An exhaust system is disposed in the tunnel portion,
The lower body structure of a vehicle according to claim 1, wherein the exhaust system is provided with a recessed portion that is relatively recessed at a position corresponding to the recessed portion. The lower body structure of a vehicle according to any one of claims 1 to 4, wherein a center console recessed portion that is displaced inward in the vehicle width direction is disposed in a part of the center console.

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