JP6330621B2 - Vehicle side structure - Google Patents

Description

    The present invention relates to a vehicle side part structure.

  Patent Document 1 below discloses a vehicle side part structure that suppresses concentration of a collision load at a joint between a rocker and a rear pillar. Specifically, a rocker inner panel provided on the side of the vehicle and disposed along the longitudinal direction of the vehicle, and coupled to a rear end portion of the rocker inner panel and extending from the coupling portion toward the upper side in the vehicle vertical direction. The lower pillar inner panel provided, and the reinforcing member joined to the rear end of the rocker inner panel and the lower end of the rear pillar inner panel.

  The reinforcing member is formed with a rigidity-decreasing portion that is a starting point for bending toward the vehicle front side. As a result, the energy of the front collision of the vehicle is reduced by the deformation of the reinforcing member before the deformation due to the concentration of the collision load occurs at the joint between the rear end of the rocker inner panel and the lower end of the rear pillar inner panel at the time of the front collision of the vehicle. Absorbed.

JP, 2014-101033, A

  However, in the configuration disclosed in Patent Document 1, the load transmission is made efficient in order to suppress the intrusion of the side door into the vehicle interior at the time of a vehicle side collision (hereinafter abbreviated as “vehicle side collision”). There is room for further improvement.

  In consideration of the above-described problems, the present invention is configured to efficiently transmit a load at the time of a vehicle-side collision, thereby reducing the amount of penetration (deformation amount) of the side door into the vehicle interior side. The purpose is to obtain a partial structure.

The vehicle side portion structure according to claim 1 is a rocker that is disposed on the vehicle side portion and extends in the longitudinal direction of the vehicle, a rear pillar that is disposed on the vehicle side portion and extends in the vehicle vertical direction, and the rear pillar A wheel house that is provided at the lower end portion, and that is configured by joining the rear wheel house outer panel and the rear wheel house inner panel disposed on the inner side in the vehicle width direction of the rear wheel house outer panel to each other. The rocker and the rear pillar are connected to each other and arranged on the vehicle inner side of the side door, and at least a part of the side door overlaps with the side door in a side view of the vehicle and is bent along the flange portion. Part is joined to the flange part of the rear wheel house outer panel to close the wheel house. A reinforcing member that forms a surface; a vehicle seat disposed inside the vehicle of the reinforcing member; and an end portion that extends substantially along the vehicle width direction and that is inside the vehicle width direction is a skeleton member of the vehicle seat. Connected and arranged at a position overlapping at least a part of the reinforcing member in a side view of the vehicle, and an end on the outer side in the vehicle width direction bent along the flange portion is the flange of the rear wheel house inner panel The ridge line formed by bending the end portion on the outer side in the vehicle width direction is transmitted to the skeleton member of the vehicle seat by being joined to the portion, and the reinforcing member is a ridge line A ridge line formed by bending the end portion on the vehicle front side and a load transmitting member provided at a position facing each other with the flange portion interposed therebetween .

In the vehicle side part structure according to claim 1, since the reinforcing member that overlaps the side door in a side view of the vehicle is connected to the rear pillar, the rocker, and the vehicle seat by the load transmission member, the reinforcing member is added to the side door at the time of the vehicle side collision. It is possible to efficiently support the load, and the deformation of the side door can be suppressed.

As described above, the vehicle side part structure according to claim 1 has an excellent effect that the side door can be prevented from entering the vehicle interior at the time of a vehicle side collision.

It is the perspective view which looked at the vehicle which has the vehicle side part structure which concerns on this embodiment from the vehicle front. It is a side view of the rocker of a vehicle side part structure and a rear pillar junction part concerning this embodiment. It is the front view which looked at the vehicle side part structure concerning this embodiment from the vehicle front. It is AA sectional drawing of FIG. It is the perspective view which looked at the connection part of the vehicle frame and seat concerning this embodiment from the vehicles front.

  Hereinafter, the vehicle side part structure according to the embodiment of the present invention will be described with reference to FIGS. It should be noted that an arrow FR appropriately shown in each figure indicates a vehicle front direction, an arrow UP indicates a vehicle upward direction, and an arrow OUT indicates a vehicle outer direction.

  As shown in FIG. 1, a front pillar 14, a center pillar 16, and a rear pillar 18 are erected in order from the vehicle front side along the vehicle front-rear direction on the vehicle side portion 12 of the vehicle 10. The vehicle side portion 12 is disposed symmetrically on both sides of the vehicle 10 in the vehicle width direction, and both have the same structure. Therefore, the left vehicle side portion 12 will be described below.

  The front pillar 14 is a vehicle skeleton member that is disposed along the front edge of the front door opening 26 formed in the vehicle side portion 12 and that extends obliquely toward the vehicle rear side toward the vehicle upper side. . An upper end portion 20 of the front pillar 14 is coupled to a roof side rail front end portion 24 on the front side in the vehicle front-rear direction of the roof side rail 22. The roof side rail 22 is a vehicle skeleton member that supports the roof panel 28 of the vehicle 10 and is provided on the outer side in the vehicle width direction and extends along the vehicle front-rear direction. Further, the front pillar lower end portion 30 of the front pillar 14 is provided at the lower end portion of the vehicle side portion 12 and is a rocker front end portion on the front side in the vehicle front-rear direction of the rocker 32 that is a skeleton member extending along the vehicle front-rear direction. 34.

  Here, the rocker 32 reinforces the rocker 32 by forming a closed cross section with the rocker inner panel (not shown) disposed on the inner side in the vehicle width direction and on the outer side in the vehicle width direction with respect to the rocker inner panel. The rocker outer R / F 60 (reinforcing material) is configured (see FIG. 2).

  The center pillar 16 is a vehicle skeleton member that is disposed between the front door opening 26 and the rear door opening 36 and has a longitudinal direction in the vehicle vertical direction. The center pillar upper end portion 38 of the center pillar 16 is coupled to the roof side rail central portion 40 that is approximately the center in the vehicle front-rear direction of the roof side rail 22. Further, the center pillar lower end portion 42 of the center pillar 16 is coupled to a rocker central portion 52 that is approximately the center of the rocker 32 in the vehicle front-rear direction.

  A front side door (not shown) is disposed in the front door opening 26. The front door is connected to the front pillar 14 via a hinge member, and is attached so as to be openable and closable by rotating.

  A rear side door 86 is disposed in the rear door opening 36 (see FIG. 4). The rear side door 86 is connected to the center pillar 16 via a hinge member, and is attached so as to be openable and closable by rotating. Here, the rear side door 86 is overlapped with the rocker 32 at the vehicle lower side and the vehicle rear pillar 18 and a rear quarter reinforcement 64 (described later) in the vehicle side view.

  The rear pillar 18 is disposed along the rear edge of the rear door opening 36 and is a vehicle skeleton member whose longitudinal direction is substantially the vehicle vertical direction. The rear pillar upper end portion 44 of the rear pillar 18 is coupled to the roof side rail rear end portion 46 on the rear side in the vehicle front-rear direction of the roof side rail 22.

  As shown in FIG. 2, the rear pillar 18 is provided in the rear pillar 18 in the vicinity of the rear edge of the rear door opening 36 along the vehicle vertical direction, and as a reinforcing material for reinforcing the rear pillar 18. 50 (hereinafter abbreviated as “rear pillar R / F”).

  The rear pillar lower end portion 19 of the rear pillar 18 includes a rear wheel house outer panel 54 formed in a substantially semi-cylindrical shape so that a rear wheel (not shown) is accommodated therein. The rear pillar lower end portion 19 is coupled to the rocker 32 by a coupling portion 56. Specifically, the coupling portion 56 includes a rocker outer reinforcement, which will be described later, in which a rear wheel house front end 58 on the lower side in the vehicle vertical direction and on the front side in the vehicle longitudinal direction of the rear wheel house outer panel 54 in the rear pillar 18 is provided inside the rocker 32. 60 (hereinafter abbreviated as “Rocker outer R / F”) is coupled to the rear end portion of the rocker outer R / F 60 on the rear side in the vehicle front-rear direction.

  A rear quarter reinforcement 64 (hereinafter abbreviated as “rear quarter R / F”) as a reinforcing member is provided on the outer side in the vehicle width direction of the rear wheel house outer panel 54. The rear quarter R / F 64 is composed of a lower rear quarter R / F 64A and an upper rear quarter R / F 64B. The rear quarter R / F 64 is formed in a long and substantially rectangular shape when viewed from the side of the vehicle and has a substantially vertical direction in the vehicle vertical direction. ing. Here, the lower rear quarter R / F 64A and the upper rear quarter R / F 64B are joined at a joint 64C that is wrapped in a side view of the vehicle.

  The rear quarter R / F 64 is attached to the rear wheel house outer panel 54, and the rear quarter R / F 64 and the rear wheel house outer panel 54 form a closed cross section. That is, the part to which the rear quarter R / F 64 is attached is a skeleton member. Here, a rear side door 86 is disposed outside the rear quarter R / F 64 in the vehicle width direction so as to overlap the rear quarter R / F 64 in a side view of the vehicle. A side panel 84 constituting a design surface is disposed on the outer side of the rear quarter R / F 64 in the vehicle width direction.

  Further, the rear quarter R / F 64 has a longitudinal direction curved along a substantially semi-cylindrical shape of the rear wheel house outer panel 54 in a vehicle side view. That is, it is curved so as to be convex toward the upper side in the vehicle vertical direction and the front side in the vehicle front-rear direction in a side view of the vehicle. Further, the rear quarter R / F 64 is provided on the front side in the vehicle front-rear direction of the rear wheel house outer panel 54, and the end of the rear quarter R / F 64 on the front side in the vehicle front-rear direction is the rear edge of the rear door opening 36. It arrange | positions so that a part of vehicle vertical direction lower side may be met.

  The rear quarter R / F upper end 68 of the rear quarter R / F 64 on the upper side in the vehicle vertical direction is overlapped and joined to the rear pillar R / F lower end 70 of the rear pillar R / F 50 of the rear pillar 18 from the outside in the vehicle width direction. Yes.

  Further, the rear quarter R / F lower end portion 71 of the rear quarter R / F 64 on the lower side in the vehicle vertical direction is overlapped with the rear end portion of the rocker outer R / F 60 of the rocker outer R / F 60 of the rocker 32 from the outside in the vehicle width direction. Has been. That is, the rocker outer R / F 60 and the rear pillar R / F 50 are connected by the rear quarter R / F 64. In other words, the rocker 32 and the rear pillar 18 are configured such that the reinforcing members provided therein are connected via the rear quarter R / F 64.

  As a result, as shown in FIG. 1, the vehicle side portion 12 of the vehicle 10 includes a front pillar 14, a center pillar 16, and a rear pillar 18 connected by a roof side rail 22, a rocker 32, and a rear quarter R / F 64. Thus, the vehicle skeleton is configured integrally and annularly.

  A vehicle seat 80 is disposed on the vehicle interior side of the vehicle side portion 12 constituted by the skeleton member described above, and is fixed to the floor of the vehicle 10 by fixing means (not shown). As shown in FIG. 3, the vehicle seat 80 includes a headrest 90, a seat back 92, and a seat cushion 94. More specifically, the seat back 92 is fixed to the seat hinge 82 and is supported so as to be rotatable forward of the vehicle. The seat back 92 includes a seat frame member 96 and a pad member 98.

  Here, a rear seat hinge bracket 74 as a load transmission member is disposed on the inner side in the vehicle width direction of the rear quarter R / F 64. The rear seat hinge bracket 74 is disposed close to the vehicle interior side of the rear quarter R / F 64 and extends toward the inside of the vehicle along the wheel house 58 as shown in FIG. 82 is fixed. 5 shows only the seat skeleton member 96 excluding the pad member 98 of the seat back 92 constituting the vehicle seat 80 for convenience of explanation.

Next, the operation and effect of this embodiment will be described.

  When a collision object (for example, a vehicle) collides with the rear side door 86 from the side of the vehicle, the rear side door is supported by the center pillar 16, the rear pillar 18, and the rocker 32. More specifically, since the rear side door 86 is wrapped with the center pillar 16 in a vehicle side view on the front side of the vehicle, a part of the collision load is transmitted to the center pillar 16. Further, as shown in FIG. 4, since the rear side door 86 is overlapped with the rear quarter R / F 64 when viewed from the side of the vehicle on the vehicle rear side, a part of the collision load applied to the rear side door 86 is rear quarter R / F 64. Is transmitted to. Here, since the rear quarter R / F 64 is also connected to the rear pillar 18 and the rocker 32, the collision load is transmitted to the rear pillar 18 and the rocker 32. As described above, the rear quarter R / F 64 extends in the vertical direction of the vehicle and wraps with the rear side door 86 in a wide area in a side view of the vehicle, so that the load at the time of the vehicle side collision can be supported more efficiently. Can do.

  Further, a rear seat hinge bracket 74 is connected to the inner side in the vehicle width direction of the rear quarter R / F 64. Since the rear seat hinge bracket 74 extends to the inside of the vehicle and is connected to the seat hinge 82 attached to the seat frame member 96 of the vehicle seat 80, a part of the collision load is passed through the seat hinge 82. The skeleton member 96 is also transmitted. Thus, since the load at the time of a vehicle side collision can be transmitted also to the vehicle seat 80 connected to the vehicle floor, the side collision load can be efficiently supported and a reaction force can be obtained.

  Here, since the rear quarter R / F 64 is overlapped and connected to the rear pillar 18 and the rocker 32 from the outside in the vehicle width direction, the side impact load is efficiently transmitted to the rear pillar 18 and the rocker 32. Further, the rear side door 86 is supported by the rear quarter R / F 64 in a wide area on the rear side of the vehicle, and can efficiently transmit a load to the inside of the vehicle to obtain a reaction force.

  As described above, according to the vehicle side part structure of the present embodiment, the collision load at the time of vehicle side collision is the roof side rail 22 via the center pillar 16 on the vehicle front side, and the rear quarter R / F 64 on the vehicle rear side. To the vehicle seat via the rear seat hinge bracket 74 to support the side impact load, suppress the deformation of the rear side door 86, and suppress the intrusion into the vehicle interior side. Have

  Although the embodiment of the present invention has been described above, the present invention is not limited to the above-described configuration, and it is needless to say that various modifications can be made without departing from the spirit of the invention.

  For example, in the present embodiment, the rear quarter R / F 64 is configured with two members, but is not limited thereto, and may be configured with one member.

  Further, although the rear seat hinge bracket 74 is configured as a separate member from the seat hinge 82, it may be configured as an integral unit. That is, the rear seat hinge bracket 74 may be directly connected to the seat frame member.

  Furthermore, in the present embodiment, the present invention is applied to a vehicle provided with a swing door that is attached to a vehicle body via a hinge on the vehicle front side of the door and swings to open and close, but the door opening / closing type is not limited thereto. For example, the present invention may be applied to a sliding door vehicle.

12 Vehicle side portion 18 Rear pillar 32 Rocker 64 Rear quarter reinforcement (reinforcing member)
74 Rear seat hinge bracket (load transmission member)
80 Vehicle seat 96 Frame member

Claims (1)

A rocker disposed on the side of the vehicle and extending in the longitudinal direction of the vehicle longitudinal direction,
A rear pillar disposed on the vehicle side and extending in the vehicle vertical direction;
The rear wheel house outer panel and the rear wheel house inner panel arranged on the inner side in the vehicle width direction of the rear wheel house outer panel are formed by joining the flange portions to each other. Wheel house,
The rocker and the rear pillar are connected to each other and arranged on the vehicle inner side of the side door, and at least a part of the side door overlaps the side door in a side view of the vehicle and is bent along the flange portion. A reinforcing member that forms a closed cross section with the wheel house by being joined to the flange portion of the rear wheel house outer panel;
A vehicle seat disposed inside the vehicle of the reinforcing member;
An end that extends substantially along the vehicle width direction and that is connected to the skeleton member of the vehicle seat is disposed at a position that overlaps at least a part of the reinforcing member in a side view of the vehicle, The end portion on the outer side in the vehicle width direction that is bent along the flange portion is joined to the flange portion of the rear wheel house inner panel, so that a load at the time of a vehicle side collision is applied to the skeleton member of the vehicle seat. The ridge line formed by bending the end portion on the outer side in the vehicle width direction and the ridge line formed by bending the end portion on the vehicle front side of the reinforcing member and the flange portion. A load transmission member provided at a position opposed to each other;
A vehicle side part structure .