JPH0569862A - Arranging structure for vehicle accessory - Google Patents

Abstract

PURPOSE:To effectively ensure crash space at the time of collision from behind. CONSTITUTION:Constitution is such that a spare tire 26, fuel tank 36 and a silencer 38 are arranged at least before a rear suspension member 32, extended along a car width direction, to juxtapose at least the spare tire 26 and the fuel tank 36 under a rear seat 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for arranging at least a silencer, a spear tire, and the like, which is a vehicle accessory having rigidity at a position where it is arranged at a rear portion of a vehicle body.

[0002]

2. Description of the Related Art Conventionally, various proposals have been made to dispose a crash space in the rear part of a vehicle and absorb the impact at the time of a rear impact in this crash space to ensure the safety of passengers. .. On the other hand, in recent years, from the viewpoint of ensuring passenger comfort, there is an increasing tendency to take up a large passenger compartment space. When a large vehicle interior space is taken in this manner, how to dispose the above-mentioned crash space becomes a problem, and various proposals have been made also from this viewpoint.

[0003]

In particular, for example, as disclosed in Japanese Utility Model Publication No. 2-26734, the hatchback type vehicle originally has a narrow space between the rear seat and the backdoor, which is described above. The space for arranging the clutch space is reduced, and a silencer also having rigidity is provided immediately behind the rear suspension cross member having rigidity and in the rearmost position. That is, the rear suspension cross member and the silencer are set at substantially the same height. Therefore, at the time of a rear-end collision, the silencer is first pushed forward. A rigid rear suspension cross member is arranged immediately in front of this silencer. Therefore, in this configuration, when a rear impact occurs, the impact is immediately transmitted to the front of the vehicle body, and improvement is required from the viewpoint of securing a crash space in the vehicle front-rear direction. The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide an arrangement structure for a vehicle accessory that can effectively secure a crash space at the time of a rear collision. ..

[0004]

In order to solve the above-mentioned problems and to achieve the object, a vehicle equipment disposition structure according to the present invention comprises a rear suspension member extending along the vehicle width direction. Is characterized in that a spare tire, a fuel tank, and a silencer are arranged at least in the front, and at least the spare tire and the fuel tank are arranged in parallel under the rear seat.

Further, in the arrangement structure for vehicle accessories according to the present invention, the spare tank and the fuel tank are:
The feature is that they are installed side by side along the vehicle width direction.
Further, in the vehicle accessory arrangement structure according to the present invention, the silencer is arranged so as to extend along the vehicle width direction. Further, in the vehicle accessory arrangement structure according to the present invention, the silencer extends along the vehicle width direction between the spare tank and the fuel tank and the rear suspension member which are arranged in parallel. It is characterized by being arranged.

Further, in the vehicle accessory arrangement structure according to the present invention, the spare tire can be taken out upward by moving the rear seat. Further, in the vehicle accessory arrangement structure according to the present invention, the rear seat is attached so as to be able to be turned upside down, and in an inverted state, the rear tire is provided above the spare tire located below the tire. It is characterized by forming a take-out space.

[0007]

According to the vehicle equipment arrangement structure of the present invention constructed as described above, the spare tire, the silencer, and the fuel tank are arranged in front of the rear wheel center. Therefore, the rear overhang part of the vehicle body does not lay out highly rigid vehicle equipment such as silencers and spear tires, but this rear overhang part functions as a crushable area to secure a sufficient amount of crushing. Things are possible. In addition, at least a spare tire and a fuel tank are installed side by side under the rear seat, so a spare tire with high rigidity suppresses deformation of the passenger compartment at the time of a rear collision, secures a living space for the rear seat and suppresses deformation of the fuel tank. And will be achieved.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an embodiment of a vehicle accessory arrangement structure according to the present invention will be described in detail below with reference to FIGS. 1 to 4 of the accompanying drawings. As shown in FIGS. 1 and 2, the vehicle equipment disposition structure of this embodiment is characterized by the vehicle equipment disposition structure at the rear portion of the vehicle 10. The structure of the rear part of the vehicle body to be attached will first be described. That is, the rear structure of the vehicle 10 is provided with a pair of left and right rear side frames 12 (shown in FIG. 2) extending on both sides thereof in a substantially front-rear direction of the vehicle body, and these rear side frames 12 are illustrated. Not connected to the rear parts of the pair of left and right front side frames so as to integrally extend rearward from each. On the pair of left and right rear side frames 12, the front floor panel 1 with both left and right ends being suspended from each other.
4 is attached. A front seat 16 is mainly placed on the front floor panel 14.

The rear end of the front floor panel 14 is joined to the lower surface of the front floor panel 14 and then stands up substantially vertically, and at the same time, the seat cushion 16a of the front seat 16 is joined.
A rear seat panel 18 that extends rearward for a predetermined distance in a substantially horizontal state at a position substantially the same as that, then falls substantially vertically, and then horizontally extends rearward is integrally formed. Installed in place. That is, the rear seat panel 18 extends substantially horizontally from the upper end of the front standing portion 18a that defines the rear wall of the vehicle compartment and the front standing portion 18a toward the rear, and the rear seat 20 to be described later.
A front horizontal portion 18b defining a sheet mounting surface on which the sheet is directly placed, a rear standing portion 18c standing slightly upward from the rear end of the front horizontal portion 18b, and a rear end from the upper end of the rear standing portion 18c. And a rear horizontal portion 18d that extends substantially horizontally toward the rear seat 20 and that defines the bottom surface of the trunk located behind the rear seat 20. The rear end of the rear horizontal portion 18d is joined to the end panel 22.

At the rear left portion of the front standing portion 18a of the rear seat panel 18, a rear portion of the rear standing portion 18c extends rearward in a substantially horizontal state at a height position approximately half of the rear standing portion 18a. Tire tire pan 2 joined to
4 is integrally attached. That is, the spare tire pan 24 has its front end joined to the rear surface of the front standing portion 18a and has its rear end extended to just below the rear end of the front horizontal portion 18b. And a horizontal portion 24a that defines the bottom surface of the spare tire storage chamber 28 and a rear end of the horizontal portion 24a. The upper end is joined to the rear surface of the rear standing portion 18c to define the rear surface of the spare tire storage chamber 28. It is integrally configured with the upright portion 24b.

Here, the above-mentioned rear seat panel 18
Immediately after the front standing portion 18a of the vehicle, a so-called N having a front wall of the spare tire storage chamber 28 and both ends thereof fixed to the pair of left and right rear side frames 12 is formed.
o. 3 cross members (not shown, but in front of this, No. 1 cross member and N
o. 2 cross members are already installed. ) 29 is installed upright. In detail, this N
o. The lower end of the 3 cross member 29 is joined to the upper front surface of the horizontal portion 24a of the spare tire pan 24, and the upper end of the 3 cross member 29 is joined to the front horizontal portion 18b of the rear seat panel 18.
It is joined to the lower surface of the front part of the to improve its mounting rigidity. As a result, this spare tire storage chamber 28
The spare tire 24 stored in the vehicle is maintained in a state in which its front position is firmly supported (locked).

The front horizontal portion 18b is formed with an opening 18e for taking out the spare tire 26 over a portion located above the spare tire storage chamber 28. Here, the opening 18e is provided in the rear seat 20.
Usually hidden by. When it becomes necessary to use the spare tire 26 while laying, the rear seat 20 is tilted forward to open the opening 18e, and the opening 18e is opened through the opened opening 18e. The spare tire 26 can be taken out upward.

On the other hand, the rear upright portion 18c of the rear seat panel 18 described above is arranged at least in front of the rear suspension member 32 constituting the rear suspension mechanism 30 for suspending the rear portion of the vehicle body. .. More specifically, the rear suspension member 32 is arranged below the rear horizontal portion 18d that defines the bottom of the luggage compartment so as to extend along the vehicle width direction as shown in FIG. A pair of left and right wheel supports 34 are attached to both ends of the left and right wheels, and a pair of left and right rear wheels RL and RR are detachably attached to these wheel supports 34. A rear wheel center RWC is defined as the center of rotation of the pair of left and right rear wheels RL, RR.

That is, the rear standing portion 18c of the rear seat panel 18 described above, in other words, the rear wall of the spare tire storage chamber 28 is located in front of the rear wheel center RWC through a predetermined space. Is regulated by. In other words, the spare tire storage chamber 28 is
It is arranged in front of the rear wheel center RWC. The rear overhang portion ROH of the vehicle body is formed by the vehicle body portion that projects rearward of the rear wheel center RWC.

In the vehicle body rear structure constructed as described above, the arrangement structure of vehicle accessories, which is a feature of the present invention, will be described in detail below. First, the vehicle equipment in the present invention includes a fuel tank 36 and a silencer 38.
And the above-mentioned spare tire 26. That is, the fuel tank 36 is a first-priority vehicle accessory that must be protected from the impact in the event of a rear-end collision. Therefore, the fuel tank 36 is located in front of the rear wheel center RWC. It is attached to the lower right side of the front horizontal portion 18b of the rear seat panel 18.
Specifically, the fuel tank 36 is suspended below the front horizontal portion 18b via a pair of tank holding belts (not shown). The lower surface of the fuel tank 36 is mounted so as to be substantially flush with the lower surface of the front floor panel 14.

Further, as shown in FIG. 3, the fuel tank 36 has a space for storing the tire tire 28 in a plan view.
Is arranged on the right side of. In other words, the fuel tank 36 and the spare tire storage chamber 28 are arranged side by side on the left and right. On the other hand, this silencer 38
Is positioned behind the fuel tank 36 and the spare tire storage chamber 28 arranged side by side on the left and right sides and in front of the rear suspension member 32, and
It is arranged so as to extend along the vehicle width direction. Both ends of the silencer 38 are suspended via a suspension member (not shown) on the lower surface of the rear horizontal portion 18d that defines the bottom of the luggage compartment.

On the other hand, the spare tire 26 is stored in the above-mentioned spare tire storage chamber 28, which is
It is set to the emergency size for emergency escape, and is composed of a steel rim body 26a and a rubber tire body 26b fitted around the outer periphery of the rim body 26a, and has extremely high rigidity. ing. That is, in the emergency tire 26, the rim body 26a is
The axial length (that is, the storage height in the stored state) of is set to be short (that is, low), and its diameter is set to be large. The rim body 26a is formed with one side surface thereof open. Here, the spare tire 26 is stored in the spare tire storage chamber 28 in such a posture that the opened side surface of the rim body 26a is the upper surface in the stored state.

As a result, in this embodiment, the rear overhang portion ROH at the rear portion of the vehicle body, that is, the portion rearward of the rear wheel center RWC, is
No rigid vehicle equipment will be equipped.
Thus, even if another vehicle collides with the vehicle 10 from the rear, that is, if the vehicle 10 collides with the vehicle from the rear, the rear overhang portion ROH functions as a crashable area, and this area is entirely covered. It will be a crash. Therefore, the impact generated at the time of this rear collision is effectively absorbed by the rear overhang portion ROH.

The rear suspension member 32, which roughly defines the rear wheel center RWC, extends along the vehicle width direction with a predetermined rigidity.
A silencer 38, which is also rigid and extends along the vehicle width direction, is provided in a position immediately in front of the rear suspension member 32. A fuel tank 36 and a spare tire 26 are arranged in front of the rigid silencer 38 in a state of being juxtaposed to each other. In this way, two rigid members (the rear suspension member 32 and the silencer 3
Since the fuel tank 36 is arranged in the state of being protected by 8), the fuel tank 36 can be effectively protected in the event of a rear collision.

Further, in the above-mentioned spare tire 26, the front portion thereof is No. Although regulated by 3 cross members 29, this No. As described above, the three cross members 29 are joined to the pair of left and right rear side frames 12 at both ends thereof, and are attached with a predetermined rigidity. Therefore, a strong impact acts on the rear part of the vehicle body at the time of a rear impact, and the impact cannot be absorbed only by the crash of the rear overhang portion ROH, and the impact at the time of a rear impact acts ahead of the rear wheel center RWC. Even in this case, the spare tire 26 has the above-mentioned No. Three
By the cross member 29, the forward movement is effectively prevented, the deformation of the vehicle interior at the time of a strong rear collision is effectively suppressed, and the living space in the rear seat 20 can be reliably ensured.

By effectively suppressing the deformation of the vehicle interior at the time of a rear-end collision, the deformation of the fuel tank 36 is also suppressed, and as a result, the fuel tank at the time of a rear-end collision is suppressed. Fuel leakage from 36 is surely prevented,
The safety at the time of a rear-end collision will be further ensured. In particular,
In this embodiment, since the spare tire 26, which is a vehicle accessory having rigidity, is arranged laterally of the fuel tank 36, even if a shock at the time of a rear-end collision acts on the spare tire 26, No. mounted with the mounting rigidity increased. It will be supported by the 3 cross members 29 and will try to stay in that position. In this way, the adverse effect on the fuel tank 36 at the time of a rear impact can be reliably suppressed, and the safety at the time of a rear impact can be further ensured.

On the other hand, the above-mentioned rear seat 20 is shown in FIG.
As shown in FIG. 4, the front portion of the seat cushion 20a is rotatably supported by the upper end of the front standing portion 18a of the rear seat panel 18 about a support shaft 42 (shown in FIG. 4). The front horizontal portion 18b of the seat panel 18
Is placed on the upper surface of. Also, this rear seat 20
The seat back 20b is pivotally supported at its lower end to the rear end of the seat cushion 20a. The rear horizontal portion 18 that defines the bottom surface of the luggage compartment described above.
A trunk mat 44 is laid on the upper surface of d, and the front end of the trunk mat 44 is joined to the lower part of the back surface of the seatback 20b via a fastener not shown in a state of being bent upward. Has been done.

Since the rear seat 20 is constructed as described above, when the spare tire 26 is taken out of the spare tire storage chamber 28 when any of the mounted tires is punctured, as shown in FIG. By removing this fastener, the front end of the trunk mat 44 is removed from the lower rear portion of the seat back 20b, and then the seat back 20b indicated by the chain double-dashed line is pivoted forward to lay it down on the seat cushion 20a. After that, the seat cushion 20a is rotated forward around the support shaft 42 thereof, and is rotated in an upright state together with the seat back 20b overlapped with the seat cushion 20a. As a result, as shown by the solid line in FIG.
The upper tire 8 is rotated in a state of being folded in a state of being erected forward so that the upper surface of the tire 8 is opened.
Can be taken out from above.

Needless to say, the present invention is not limited to the configuration of the above-described embodiment, and can be variously modified without departing from the scope of the present invention. For example, in the above-described one embodiment, the description has been made such that the spare tire 26 is disposed on the right side of the fuel tank 36, but the present invention is not limited to such a configuration, and the left and right relations can be interchanged, The fuel tank 36 may be arranged on the left side of the spare tire 26. In short, the left-right relationship is not limited as long as the fuel tank 36 and the spare tire 26 are arranged side by side in the lateral direction.

Further, in the above-described embodiment, the silencer 38 is composed of the spare tire 26 and the fuel tank 36.
However, the present invention is not limited to such a configuration, and the silencer 38
May be disposed on either the left or right side of the spare tire 26 or the fuel tank 36 so as to extend in the front-rear direction. Further, the silencer 38 has a two-part structure so that the spare tire 26 and the fuel tank 26 are provided. You may comprise so that it may each be divided and arrange | positioned at right and left respectively. The point is that the spare tire 26 may be disposed at least in front of the rear suspension member 32 in a side view.

Further, in the above-mentioned embodiment, it was explained that the spare tire 26 is set to the emergency size for emergency escape, but the present invention is not limited to such a structure, and the normal size spare tire is not limited to this structure. It goes without saying that it can also be applied to the case of including. Further, in the above-described embodiment, the seat cushion 20a of the rear seat 20 is explained to be mounted on the front horizontal portion 18b of the rear floor panel 18, but the present invention is limited to such a structure. The rear portion of the seat cushion 20a is not removed, and the rear portion of the seat tire 20a is housed in the spare tire storage chamber 28.
You may make it enter in the state which fell in the one side surface of 6a opened. That is, the lower bottom portion of the rear seat 20 may be set in a state of entering the spare tire storage chamber 28. As a result, although the spare tire 26 is disposed below the rear seat 20,
The hip point does not have to be relatively high and the vehicle 1
It is not necessary to raise the vehicle height to 0.

[0027]

As described in detail above, the arrangement structure of vehicle accessories according to the present invention has a tire, a fuel tank, and a silencer at least in front of the rear suspension member extending along the vehicle width direction. Is arranged, and at least the spare tire and the fuel tank are arranged in parallel under the rear seat. Further, in the vehicle accessory arrangement structure according to the present invention, the spare tank and the fuel tank are arranged in parallel along the vehicle width direction. Further, in the vehicle accessory arrangement structure according to the present invention, the silencer is arranged so as to extend along the vehicle width direction.

Further, in the vehicle accessory arrangement structure according to the present invention, the silencer extends along the vehicle width direction between the spare tank and the fuel tank and the rear suspension member which are arranged in parallel. It is characterized in that it is arranged to. Further, in the vehicle accessory arrangement structure according to the present invention, the spare tire can be taken out upward by moving the rear seat. Further, in the vehicle accessory arrangement structure according to the present invention, the rear seat is attached so as to be able to be inverted toward the front, and in the inverted state, the rear seat is provided above the spare tire and below the spare tire. It is characterized by forming a take-out space. Therefore, according to the present invention, it is possible to provide a vehicle equipment disposition structure capable of effectively securing a crash space at the time of a rear-end collision.

[Brief description of drawings]

FIG. 1 is a side sectional view schematically showing a configuration of an embodiment of a vehicle accessory arrangement structure according to the present invention when applied to a rear portion of a vehicle.

FIG. 2 is a perspective view schematically showing the disposition structure of the vehicle accessory shown in FIG. 1 in a partially cross-sectional state.

FIG. 3 is a plan view showing a vehicle width direction offset state of a fuel tank and a spare tire in the arrangement structure of the vehicle accessory shown in FIG.

FIG. 4 is a side view for explaining a state in which the spare tire is taken out when the rear seat falls forward in the arrangement structure of the vehicle accessory shown in FIG. 1.

[Explanation of symbols]

 RWC rear wheel center, ROH rear overhang part, 10 vehicle, 12 rear side frame, 14 front floor panel, 16 front seat, 16a seat cushion, 18 rear seat panel, 18a front standing part, 18b front horizontal part, 18c rear part Standing portion, 18d rear horizontal portion, 18e opening, 20 rear seat, 20a seat cushion, 20b seat back, 22 end panel, 24 spare tire pan, 26 spare tire, 26a rim body, 26b tire body, 28 spare tire storage room, 29 No. 3 cross members, 30 rear suspension mechanism, 32 rear suspension members, 34 wheel support, 36 fuel tank, 38 silencer, 42 support shaft, 44 trunk mat.

Claims (6)

[Claims] 1. A spare tire, a fuel tank, and a silencer are arranged at least in front of a rear suspension member extending along the vehicle width direction, and at least the spare tire and the fuel tank are provided under a rear seat. Arrangement structure of vehicle accessories characterized by being installed side by side. 2. The spare tank and the fuel tank,
The arrangement structure for vehicle accessories according to claim 1, wherein the vehicle accessory parts are arranged side by side in the vehicle width direction. 3. The silencer is arranged so as to extend along the vehicle width direction.
The arrangement structure of the vehicle accessories described in. 4. The silencer is arranged so as to extend along the vehicle width direction between the spare tank and the fuel tank and the rear suspension member arranged in parallel. The arrangement structure of the vehicle accessory according to claim 2. 5. The vehicle accessory arrangement structure according to claim 1, wherein the spare tire can be taken out upward by moving the rear seat. 6. The rear seat is attached so as to be able to be turned upside down, and in the state of being turned upside down, a space for taking out the tire is formed above a tire located below the tire. Claim 5
The arrangement structure of the vehicle accessories described in.