JP6775274B2 - Vehicle structure - Google Patents

Description

The present invention relates to a vehicle structure capable of having two seats arranged in the front-rear direction of the vehicle facing each other, and which can reduce an injury value of an occupant of the seat.

Among vehicles, there are vehicles that can have two seats arranged in the front-rear direction of the vehicle facing each other. For example, Patent Document 1 describes a vehicle structure in which a front rear seat and a rear rear seat arranged in the front-rear direction of the vehicle are provided behind the front seat, and by rotating the front rear seat to the rear of the vehicle, the front rear seat and the rear seat are provided. A vehicle structure capable of facing the side rear seat is disclosed. In addition, some vehicles, such as limousines and some taxis, have a vehicle structure in which the front rear seat and the rear rear seat are fixed so as to face each other.

JP-A-2009-298306

The seat belt provided in each seat reduces the injury value of the occupants sitting on the two seats facing each other. However, when a frontal collision accident or a rear-end collision accident occurs, the occupant of the seat on the front side leans back and the occupant of the seat on the rear side leans forward. At that time, the knees of the occupant on the front side may hit the face of the occupant on the rear side.

The present invention has been made in view of the above circumstances, and one of the objects thereof is to provide a vehicle structure capable of reducing an injury value of an occupant sitting on two seats facing each other in the front-rear direction of the vehicle. is there.

The vehicle structure according to one aspect of the present invention is a vehicle structure capable of facing two seats arranged in the front-rear direction of the vehicle, and is a cross section developed so as to cross between the two seats in the facing state. Equipped with an airbag.

By providing a crossing airbag that deploys across the space between two seats facing the front and rear of the vehicle, the crossing airbag interrupts between the occupants sitting on both seats in the event of a collision, causing injury to the occupant. Can be reduced.

It is a schematic block diagram of the vehicle structure including a transverse airbag that is deployed from the side of the passenger compartment. It is explanatory drawing explaining the movement of an occupant when a frontal collision accident occurs. It is the schematic which shows the 1st form of the butt type transverse airbag. It is the schematic which shows the 2nd form of the butt type transverse airbag. It is the schematic which shows the 3rd form of the butt type transverse airbag. It is a schematic block diagram of the vehicle structure provided with a transverse airbag that develops from the floor surface of the passenger compartment.

Hereinafter, the vehicle structure of the present invention including the transverse airbag will be specifically described with reference to the drawings. It should be noted that the present invention is not limited to these examples, and is indicated by the scope of claims, and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

<Embodiment 1>
FIG. 1 is a schematic view of the vehicle interior of the vehicle structure 1, in which the left side of the paper is the front FS of the vehicle and the right side of the paper is the rear BS of the vehicle. The vehicle structure 1 includes a front rear seat 2 and a rear rear seat 3 arranged in the front-rear direction of the vehicle on the rear side of the front seat, and both rear seats 2 and 3 are in a facing state. Both rear seats 2 and 3 may be fixed in a facing state, or may be configured so as to be able to face each other as needed. One of the features of the vehicle structure 1 is that it includes a transverse airbag 4 that is deployed so as to cross between the front rear seat 2 and the rear rear seat 3 facing each other.

≪Cross-airbag≫
FIG. 1 shows a state in which the transverse airbag 4 is deployed. The transverse airbag 4 of this example is configured to deploy from the door trim 5R on the right side in the width direction of the vehicle in the direction of the arrow (direction of the left door trim (not shown)). Of course, the transverse airbag 4 can be deployed from the left door trim (not shown) toward the right door trim 5R. Like other airbags such as driver's seat airbags, the crossing airbag 4 is always housed in the door trim 5R and is deployed in the event of a collision. The operation control including the deployment timing of the transverse airbag 4 may be performed in the same manner as the operation control of other airbags.

As shown in the figure, the transverse airbag 4 of this example is deployed from the door trim 5R on the right side and is cantilevered by the door trim 5R. The length of the transverse airbag 4 is preferably substantially the same as the width of the passenger compartment. Further, the cross-sectional shape and thickness of the transverse airbag 4 can be appropriately selected.

The deployment position of the transverse airbag 4, that is, the height at which the transverse airbag 4 is deployed in the vehicle interior is preferably near the knees of the occupants 2h and 3h sitting on the rear seats 2 and 3, as shown in FIG. FIG. 2 shows the movements of the occupants 2h and 3h in the previous period when the frontal collision accident occurred. When a frontal collision accident occurs, the occupant 2h of the front rear seat 2 moves to the front FS of the vehicle by inertial force, the back of the occupant 2h is pressed against the front rear seat 2, and the lower body of the occupant 2h slides down from the front rear seat 2. On the other hand, the occupant 3h of the rear rear seat 3 also moves to the front FS of the vehicle by inertial force, and the upper body of the occupant 3h rises from the rear rear seat 3. At this time, if the transverse airbag 4 is deployed near the knees of the occupants 2h and 3h, the transverse airbag 4 suppresses the movement of the knees of the occupants 2h and 3h, thereby suppressing the change in the postures of the occupants 2h and 3h. Then, the load applied to the occupants 2h and 3h due to the change in posture is reduced. Further, when the knee of the occupant 2h hits the crossing airbag 4, the contact between the occupants 2h and 3h such that the knee of the occupant 2h hits the head of the occupant 3h can be suppressed.

In the latter half of the occurrence of the frontal collision accident, contrary to FIG. 2, the upper body of the occupant 2h rises from the front rear seat 2 and the upper body of the occupant 3h is pressed against the rear rear seat 3. Also at this time, the transverse airbag 4 suppresses the movement of the knees of the occupants 2h and 3h to reduce the burden on the occupants 2h and 3h, and also suppresses the contact between the occupants 2h and 3h.

<Embodiment 2>
In the transverse airbag 4 of the first embodiment, one airbag is cantilevered by one door trim. On the other hand, split airbags are deployed from the right door trim and the left door trim, respectively, and the two split airbags are butted in the center of the passenger compartment to form a transverse airbag. It doesn't matter.

FIG. 3 is a schematic view of a butt-type transverse airbag 4 when the transverse airbag 4 is viewed from the front of the vehicle toward the rear of the vehicle. The transverse airbag 4 of this example is a split airbag 4R deployed from the door trim 5R on the right side of the vehicle (on the left side of the paper) and a split airbag deployed from the door trim 5L on the left side of the vehicle (on the right side of the paper). It is composed of 4L and. The two split airbags 4R and 4L are abutted at the center of the passenger compartment in the vehicle width direction to form a transverse airbag 4 that crosses the passenger compartment. The butt surface of the two split airbags 4R and 4L is slanted, making it difficult to release the butt state of the two split airbags 4R and 4L. It is preferable to arrange a rubber material or the like on the butt surface, and by doing so, it becomes difficult to release the butt state.

FIG. 4 is a transverse airbag 4 in which a recess 40 is formed in the lower portion of the transverse airbag 4 shown in FIG. The recess 40 is a portion where the occupant's knees are arranged in the event of a collision, and has a function of stabilizing the position of the occupant's knees. If the position of the knee can be stabilized, it is easy to suppress the change in the posture of the occupant, and the load on the occupant can be reduced. The recess 40 can be applied to the cantilevered transverse airbag 4 (FIGS. 1 and 2) of the first embodiment, and can also be applied to the configuration of FIG. 5 and the configuration of the third embodiment, which will be described later. it can.

FIG. 5 is a transverse airbag 4 in which the abutting portions of the split airbags 4R and 4L are caught during expansion and the combined state is maintained. The butt portion becomes caught, and the butt state of the split airbags 4R and 4L becomes more difficult to be released. Here, since the split airbags 4R and 4L are engaged while inflating, both split airbags 4R and 4L are engaged without any problem even if the abutting portion has the above-mentioned hooking shape.

<Embodiment 3>
In the first and second embodiments, the configuration in which the transverse airbag 4 is deployed from the door trim has been described. However, the position at which the transverse airbag 4 is deployed, that is, the position where the transverse airbag 4 is normally stored, is not limited to the door trim. For example, the transverse airbag 4 may be deployed from the pillar. Further, the transverse airbag 4 may be deployed from the ceiling or floor of the vehicle interior. In this example, an example in which the transverse airbag 4 is deployed from the floor surface of the vehicle interior will be described with reference to FIG.

In the vehicle structure 1 shown in FIG. 6, the transverse airbag 4 is configured to inflate from the floor surface toward the ceiling. Also in this case, since the transverse airbag 4 is deployed so as to cross between the front rear seat 2 and the rear rear seat 3, the injury value of the occupant can be reduced. The crossing airbag 4 may be one airbag having a length substantially extending over the entire length in the vehicle width direction. The floor surface is preferable because it is relatively easy to secure a storage space for the transverse airbag 4 and it can be easily installed.

<Embodiment 4>
In recent years, the development of autonomous driving has been active. In automatic driving, it is conceivable that the driver's seat and the rear seat face each other, or the passenger seat and the rear seat face each other. In that case, the configurations of the first to third embodiments can be applied to improve the safety of the occupant. For example, when the driver's seat and passenger's seat are facing the rear of the vehicle and face the rear seat, a crossing airbag is deployed from the center pillar (B pillar), floor, ceiling, etc. in the event of a collision, and the driver's seat (passenger seat) and rear seat are deployed. It is configured to interrupt between and.

The vehicle structure of the present invention can be suitably used for improving the collision safety of a vehicle.

1 Vehicle structure FS Vehicle front BS Vehicle rear 2 Front rear seat 2h Crew 3 Rear rear seat 3h Crew 4 Crossing airbag 4R, 4L Split airbag 40 Indentation 5R, 5L Door trim

Claims (1)

It is a vehicle structure that allows two seats lined up in the front-rear direction of the vehicle to face each other.
It is equipped with a transverse airbag that deploys across between the two seats facing each other.
The transverse airbag includes two split airbags that deploy from the left and right to the center of the vehicle.
The two split airbags
It has end faces that are abutted against each other at the completion of deployment, and the end faces are oblique to the front-rear direction of the vehicle.
Or
Has ends that are configured to hook each other upon completion of deployment,
Vehicle structure.

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