JP4506204B2 - Vehicle side body structure - Google Patents

Description

  The present invention relates to a side body structure of a vehicle.

  Conventionally, a side window opening for mounting a side window glass has been provided on a side panel of a vehicle, but since the rigidity of the vicinity of the peripheral edge of the side window opening decreases, the side window opening is reinforced near the peripheral edge of the side window opening. Providing a member is performed.

On the other hand, a safety device such as a seat airbag or a curtain airbag for protecting a passenger's side is provided on the side panel of the vehicle. However, a high mounting strength is required for these safety devices. Therefore, when fixing to the side panel, it is fixed via a reinforcing member. For example, Patent Document 1 below discloses a seat belt anchor fixing structure, and Patent Document 2 below discloses a curtain airbag. The fixing structure is disclosed.
JP 2001-158325 A JP 2003-226199 A

  However, as disclosed in the above-mentioned Patent Documents 1 and 2, when a reinforcing member is provided for each safety device, in addition to the reinforcing member for reinforcing the side window opening periphery, the reinforcing member for fixing the seat belt, and the curtain airbag Three reinforcing members including a fixing reinforcing member are required, and simply providing each reinforcing member causes a problem that the number of parts increases and the vehicle weight and cost increase.

  The present invention has been made in consideration of the above-described problems, and its purpose is to use each reinforcing member for reinforcing the side window opening as a reinforcing member for the seat belt device and the airbag device. An object of the present invention is to provide a rear vehicle body structure capable of suppressing an increase in the number of parts and suppressing an increase in vehicle weight and cost.

In order to achieve the above object, the present invention provides the following solution as a solution. That is, in the first configuration of the present invention, the reinforcing member is provided with a side window opening provided in a side panel constituting the vehicle body side part and a reinforcing member provided in at least a part of a peripheral edge of the side window opening. The seat belt device for restraining the occupant and the airbag device for protecting the occupant are fixed, and the seat belt device fixed to the reinforcing member is a seat belt retractor, and the seat belt retractor , while fixed to a high point of rigidity of the reinforcing member, the air bag device, are then so that configuration is fixed to the points of weakness in rigidity than the portion where the seat belt retractor is fixed.

According to the first configuration of the present invention, the seat belt device for restraining the occupant and the airbag device for protecting the occupant are fixed to the reinforcing member provided on at least a part of the periphery of the side window opening. Therefore, the reinforcing member provided on at least a part of the peripheral edge of the side window opening can also be used as a reinforcing member for the seat belt device and the airbag device, suppressing an increase in the number of parts, and reducing the vehicle weight and cost. Can be suppressed .

In here, the seat belt retractor of the seat belt device, installation of which applied a large load at all times, while the high mount request is desired, the air bag system, since it only operates at the time of collision of the vehicle, the normal It can be said that the rigidity requirement is low.

According to this configuration, since the seat belt retractor, while being fixed to a high point of rigidity of the reinforcing member, the air bag device to be fixed to points of weakness in rigidity than the portion where the seat belt retractor is fixed, When the reinforcing member provided at the peripheral edge of the side window opening is shared, it can be shared according to each mounting strength requirement of the seat belt device and the airbag device.

In the second configuration of the present invention, a predetermined panel opening is provided in the side panel below the side window opening, and the reinforcing member is provided between the side window opening and the panel opening. It is configured so as to be provided over at least a part of the vehicle rear side or the vehicle front side peripheral portion of the opening.

  Here, when a predetermined auxiliary machine, for example, a side door is a power slide door and a drive mechanism such as a motor for driving the slide door is provided on the side panel, the drive mechanism is assembled to the side panel. It is necessary to provide a panel opening for service.

  If the panel opening is disposed adjacent to the side window opening, the rigidity between the two openings is further lowered, and there is a possibility that the torsional rigidity of the vehicle body cannot be secured sufficiently.

According to the second configuration of the present invention, the reinforcing member is provided to extend from between the side window opening and the panel opening to at least part of the vehicle rear side or the vehicle front side peripheral portion of each opening. Since it is comprised, the reinforcement member can be shared while suppressing a decrease in rigidity between the side window opening and the panel opening.

According to the 3rd structure of this invention, it is comprised so that a substantially closed cross section may be formed in at least one part between the said reinforcement member and the said side panel.

  Here, when the reinforcing member is also used, the load applied to one reinforcing member increases, so that it is desired to ensure sufficient rigidity at the reinforcing portion.

According to the third configuration of the present invention, a substantially closed cross section is formed in at least a part between the reinforcing member and the side panel, so that the rigidity of the reinforcing portion by the reinforcing member can be increased, When the reinforcing member is also used, sufficient rigidity at the reinforcing portion can be ensured.

According to a fourth configuration of the present invention, the airbag device is further configured to be fixed to a rear end panel disposed directly on the side panel or behind the side panel.

According to the fourth configuration of the present invention, since the airbag device is configured to be fixed to the rear end panel disposed directly on the side panel or behind the side panel in addition to the reinforcing member, A large impact load when the apparatus is deployed can be dispersed, and the fixing performance of the airbag apparatus can be maintained .

  According to the present invention, the reinforcing member for reinforcing each side window opening is also used as a reinforcing member for the seat belt device and the airbag device, thereby suppressing an increase in the number of parts and suppressing an increase in vehicle weight and cost. can do.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view of a vehicle according to the present embodiment. Front side doors 1 and 1 are provided on both sides of the vehicle V facing the front seat row, and both sides of the vehicle facing the rear seat row are shown. Rear side doors 2 and 2 are provided.

  Each front door 1, 1 is provided with a front side glass 3, each rear side door 2, 2 is provided with a rear side glass 4, and each side panel 5 constituting a vehicle side portion on the rear side of the rear side door 4, 5 are each provided with quarter glasses 6.

  The rear side door 2 is configured as a power slide door that is opened and closed by sliding in the vehicle longitudinal direction by a drive mechanism (not shown) such as a motor.

  Next, the structure of the side panel 5 in the vicinity of the inner panel will be described with reference to FIGS.

  2 is a perspective view of the vicinity of the inner panel of the side panel 5 constituting the right side portion (back side in FIG. 2) of the vehicle of FIG. 1 as seen from the front side of the vehicle interior, and FIG. FIG. 4 is a plan view of a reinforcing member, and FIG. 5 is an enlarged view of a main part of FIG.

  In FIG. 2, a wheel house 8 is provided on the lower side of the inner panel 7, and a rear end panel 9 is provided on the rear side of the inner panel 7.

  Here, the distance L1 from the rear end of the wheel house 8 to the front end of the rear end panel 9 is formed to be shorter than the distance L2 from the upper end of the wheel house 8 to a quarter glass opening 7a described later. The overall length of the vehicle is suppressed by the configuration, and the vehicle is reduced in the longitudinal direction.

  The inner panel 7 has the following four openings.

  First, on the upper side of the inner panel 7, a quarter window opening 7 a for attaching the quarter glass 6 is provided below the quarter window opening 7 a and below the wheel house 8. The first panel opening 7b for driving mechanism service and the opening 7c for reducing the weight of the inner panel 7 are further slightly lower than the panel opening 7b between the wheel house 8 and the rear end panel 9. A second panel opening 7d for wiring service of a fuel lid (not shown) is formed.

  Further, as shown in FIG. 3, the inner panel 7 has a substantially Y-shaped recess 7e extending from the vicinity of the lower end on the vehicle rear side of the quarter window opening 7a to the vicinity of the center of the first panel opening 7b on the vehicle rear side. The reinforcing member 10 substantially fixed to the shape of the recess 7e shown in FIG. 4 is fixed to the upper surface of the recess 7e.

  As shown in FIG. 4, the reinforcing member 10 includes a first contact portion 10 a fixed along the opening periphery of the lower end of the quarter window opening 7 a and an opening periphery of the upper end of the first panel opening 7 b on the rear side of the vehicle. The second abutting portion 10b is fixed along the first and second abutting portions 10a and 10b. The first affixing portion fixes a seat belt retractor 11 and an inflator 14 (not shown) to be described later. Part 10c, second attachment part 10d, and third contact part 10e formed as a surface substantially continuous with attachment parts 10c and 10d and fixed to inner panel 7 on the vehicle rear side of recess 7e. .

  And the closed section is formed by the inner panel 7 and the reinforcement member 10 by fixing the reinforcement member 10 to the recessed part 7e periphery.

  Further, as shown in FIG. 5, the seat belt retractor 11 is fixed to the first mounting portion 10c of the reinforcing member 10 by a bolt member 12, and the occupant seated in the rear seat row is fixed to the second mounting portion 10d. An inflator 14 for supplying a predetermined high-pressure gas to a curtain airbag (not shown) for protecting the side portion of the air bag via a supply pipe 13 is fixed by bolt members 16 and 16 via a mounting bracket 15.

  Here, the vicinity of the first mounting portion 10c is located near the center of the reinforcing member 10, and the closed section is formed by the recess 7e and the reinforcing member 10, so that the rigidity is higher than that of the second mounting portion 10d. It has become.

  Accordingly, the seatbelt retractor 11 that is always subjected to a large load and requires high mounting rigidity is fixed at a location where the rigidity of the reinforcing member 10 is high, while it operates only at the time of a vehicle collision and normally requires mounting rigidity. The inflator 14 having a low height is fixed to a portion having low rigidity.

  However, since the inflator 14 is directly fixed to the inner panel 7 on the vehicle rear side of the reinforcing member 10 via the mounting bracket 15 by the fastening members 17, 17, a large impact at the time of deploying the airbag Can be distributed.

  As described above, according to the present embodiment, from the opening periphery of the lower end of the quarter window opening 7a on the vehicle rear side, the opening periphery of the first panel opening 7b on the vehicle rear side, and the opening on the upper side of the second panel opening 7d. Since the seat belt retractor 10 and the inflator 14 of the curtain airbag (not shown) are fixed to the reinforcing member 10 provided at the periphery, the reinforcing member 10 for reinforcing the periphery of the quarter window opening 7a is attached to the seat belt retractor 10. And the inflator 14 can be used as a reinforcing member, and an increase in the number of parts can be suppressed, and an increase in vehicle weight and cost can be suppressed.

  The seat belt retractor 11 is fixed to the first attachment portion 10c having high rigidity of the reinforcing member 10, while the inflator 14 is a second member having lower rigidity than the first attachment portion 10c to which the seat belt retractor 11 is fixed. Since it is fixed to the mounting portion 10d, when the reinforcing member 10 provided at the peripheral edge of the quarter window opening 7a is used in common, it can be used in accordance with each mounting strength requirement of the seat belt retractor 11 and the inflator 14.

  Further, since the reinforcing member 10 is configured to be provided from between the quarter window opening 7a and the first panel opening 7b to the vicinity of the vehicle rear side of each opening, the quarter window opening 7a and the first panel opening 7b The reinforcement member 10 can be shared while suppressing a decrease in rigidity between the two.

  In addition, since a substantially closed cross section is formed at least at a part between the reinforcing member 10 and the side panel 7 in the concave portion 7e, the rigidity of the reinforcing portion by the reinforcing member 10 can be increased. Sufficient rigidity can be ensured at the reinforcing part.

  In addition, since the inflator 14 is directly fixed to the side panel 7 on the vehicle rear side of the reinforcing member 10 in addition to the reinforcing member 10, it is possible to disperse a large impact load when the airbag is deployed, and the inflator 14 is fixed. The performance can be maintained.

  Further, even in a vehicle in which the distance L1 from the rear part of the wheel house 8 to the rear end panel 9 is shorter than the distance L2 from the upper part of the wheel house 8 to the quarter window opening 7a, the quarter window opening 7a and the wheel house 8, the first panel opening 7c for service can be provided, and the serviceability can be maintained.

  In the present embodiment, the first panel opening 7b is an example of an opening for driving mechanism service of the rear side door 2, but it can also be applied to an opening for service of other auxiliary equipment such as an air conditioner. it can.

  Moreover, in this embodiment, although the example which fixes the seatbelt retractor 11 and the inflator 14 to the reinforcement member 10 was shown, other members which comprise a part of seatbelt apparatuses, such as a seatbelt anchor, and air You may make it fix the other member which comprises a part of other airbag apparatuses, such as a bag.

  In this embodiment, the inflator 14 is fixed to the reinforcing member 10 and the inner panel 7 behind the reinforcing member 10. However, the inflator 14 is fixed to the rear end panel 9 behind the inner panel 7 instead of the inner panel 7. You may do it.

1 is a perspective view of a vehicle according to an embodiment of the present invention. The perspective view which looked at the inner panel vicinity of the side panel which comprises the right side part (back side in FIG. 2) of the vehicle of FIG. 1 from the vehicle interior front side. The principal part enlarged view which expanded and showed only the inner panel in the principal part of FIG. The top view of the reinforcement member which concerns on embodiment of this invention. The principal part enlarged view of FIG.

2: Rear side door 5: Side panel 6: Cooter glass 7: Inner panel 7a: Quarter window opening (side window opening)
7b: 1st panel opening (panel opening)
7d: second panel opening (panel opening)
7e: recess 8: wheel house 9: rear end panel 10: reinforcing member 10c: first mounting portion 10d: second mounting portion 11: seat belt retractor (seat belt device)
14: Inflator (embedding device)
V: Vehicle

Claims (4)

A side window opening provided in a side panel constituting the vehicle body side part;
A reinforcing member provided on at least a part of the periphery of the side window opening,
A seat belt device for restraining the occupant and an airbag device for protecting the occupant are fixed to the reinforcing member ,
The seat belt device fixed to the reinforcing member is a seat belt retractor,
The seat belt retractor is fixed to a portion having high rigidity of the reinforcing member, and the airbag device is fixed to a portion having a lower rigidity than a portion to which the seat belt retractor is fixed. Side car body structure. The side panel below the side window opening is provided with a predetermined panel opening,
The reinforcing member, in claim 1, characterized in that provided over at least a portion in the vicinity of the vehicle rear side or the vehicle front side peripheral edge of the opening from between the side window opening and the panel opening Side vehicle body structure of the described vehicle. At least a portion, the side body structure of a vehicle according to claim 1 or 2, characterized in that substantially closed cross section is formed between the reinforcing member and the side panel. The vehicle according to any one of claims 1 to 3 , wherein the airbag device is further fixed to the side panel directly or to a rear end panel disposed behind the side panel. Side car body structure.

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