JPH09123869A - Collision sensor mounting structure for lateral collision airbag device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a collision sensor mounting structure for a lateral collision airbag device, without any restriction on the design of a side door. SOLUTION: The rear step part 30A of the door inner panel 30 of a front side door 16 is extended to the car breadthwise external side of a pillar 32, and an extension rear bar 26 secured to an impact beam 22 is welded to the car breadthwise external side of the rear step part 30A. Furthermore, a collision sensor 44 is mounted on a reinforcement 40 in the pillar 32 via a sensor mounting bracket 42. In this case, the impact beam 22 and the extension rear panel 26, and the sensor mounting bracket 42 and the collision sensor 44 are arranged in an overlapped state, when laterally viewed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a collision sensor mounting structure for a side impact airbag device, and more particularly to a side impact air for actuating the airbag device when a side force is applied to the side door. The present invention relates to a collision sensor mounting structure for a bag device.

[0002]

2. Description of the Related Art Conventionally, an example of a side impact airbag device applied to a vehicle such as an automobile is disclosed in JP-A-6-8740.
The structure shown in Japanese Patent No. 4 is known.

As shown in FIG. 18, in this side impact airbag device, a touch sensor 170 is used as a collision sensor for detecting a side impact and activating an inflator, and a base plate 172 of this touch sensor 170 is used.
The impact beam 17 installed in the side door
Mounting portion 17 having a concave curved surface having a curved surface substantially equal to the outer peripheral surface of No. 4
2A is formed. The attachment portion 172A is attached to the outer peripheral surface of the impact beam 174 with an adhesive or the like, and the pressure sensor plate 176 of the touch sensor 170 is brought into contact with the outer panel 178 of the side door, whereby the touch sensor 170 is It is crushed and turned on.

[0004]

However, in the structure in which the collision sensor is arranged in the side door like the collision sensor mounting structure of the side impact airbag device, the impact beam of the impact beam can be prevented by providing the collision sensor. The installation position moves toward the center of the side door. Therefore, in order to avoid interference between the impact beam and the door glass that can be stored in the side door, it is necessary to widen the width of the side door, which causes a problem that the side door is restricted in design.

In view of the above facts, it is an object of the present invention to obtain a collision sensor mounting structure for a side collision airbag device which does not restrict the design of the side door.

[0006]

According to a first aspect of the present invention, there is provided a collision sensor mounting structure for a side collision airbag device which detects a side collision by a collision sensor and activates the airbag device. Is characterized by being arranged in the pillar.

Therefore, the collision load acting on the side portion of the vehicle body is transmitted to the pillar, and the side collision is detected by the collision sensor arranged on the pillar.

According to a second aspect of the present invention, there is provided a collision sensor mounting structure for a side impact airbag device according to the first aspect,
The collision sensor is an acceleration sensor that detects movement of the side door and turns on.

Therefore, when the side door moves due to the collision load acting on the side portion of the vehicle body, the movement is detected, the acceleration sensor is turned on, and the side collision is detected.

According to a third aspect of the present invention, there is provided a collision sensor mounting structure for a side collision airbag device according to the second aspect,
The movement of the side door is transmitted to the acceleration sensor via an impact beam.

Therefore, when the side door moves due to the collision load acting on the side portion of the vehicle body, the impact beam moves together with the side door. By detecting this movement, the acceleration sensor is turned on and a side collision is detected.

According to a fourth aspect of the present invention, there is provided a collision sensor mounting structure for a side collision airbag device according to the second aspect,
It is characterized in that at least one of the side door side and the pillar side is provided with movement transmitting means for transmitting the movement from the closed position of the side door in the vehicle width direction to the acceleration sensor.

Therefore, when the side door moves from the closed position toward the inner side of the vehicle, the movement transmitting means moves or deforms, the acceleration sensor of the pillar is turned on, and a side collision is detected.

According to a fifth aspect of the present invention, there is provided a collision sensor mounting structure for a side collision airbag device according to the fourth aspect,
The movement transmission means is a movable movement transmission means which is provided on the side door side and moves by the movement of the side door, and a movement detection means which is provided on the pillar side and turns on the acceleration sensor by the movement of the movable movement transmission means. It is characterized by consisting of.

Therefore, when the side door moves from the closed position toward the inner side of the vehicle, the movable movement transmitting means moves toward the inner side of the vehicle, and by the movement of the movable movement transmitting means,
The movement detecting means turns on the acceleration sensor and the side collision is detected.

According to a sixth aspect of the present invention, there is provided a collision sensor mounting structure for a side collision airbag apparatus according to the fourth aspect,
The movement transmission means is arranged in the side door so as to overlap with the acceleration sensor in a side view.

Therefore, when the side door moves from the closed position toward the inner side of the vehicle, the movement transmitting means moves or deforms, the acceleration sensor of the pillar is turned on, and a side collision is detected.

According to a seventh aspect of the present invention, there is provided a collision sensor mounting structure for a side collision airbag device for detecting a side collision by a collision sensor and operating the airbag device, wherein the collision sensor is arranged on a rocker. It is characterized by that.

Therefore, the collision load acting on the side portion of the vehicle body is transmitted to the rocker, and the side collision is detected by the sensor arranged on the rocker.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of a collision sensor mounting structure for a side impact airbag device according to the present invention will be described with reference to FIGS.

In the figure, the arrow FR indicates the front direction of the vehicle body, the arrow UP indicates the upward direction of the vehicle body, and the arrow IN indicates the vehicle width inward direction.

As shown in FIG. 4, the vehicle body 10 of the automobile of the first embodiment is a four-door vehicle, and a front door opening 12 and a rear door opening 14 are formed on the sides thereof. A front side door 16 is attached to the front door opening 12 so as to be opened and closed by upper and lower hinges 18 and 20, and a rear side door 17 is opened and closed at the rear door opening 14 by upper and lower hinges (not shown). Installed as possible. Further, inside the front side door 16, an impact beam 22 is arranged from an intermediate portion between the upper and lower hinges 18 and 20 toward the rear of the vehicle body. An extension front panel 24 is provided at the front end of the impact beam 22, and an extension rear panel 26 is provided at the rear end of the impact beam 22.

As shown in FIG. 3, the extension rear panel 26 is made of a plate material, and the intermediate portion in the vertical direction is curved to have a U-shaped cross section. The rear end of the impact beam 22 having a pipe shape is welded in the U-shaped cross section. Further, flanges 26A and 26B are formed at both ends in the vertical direction of the extension rear panel 26, respectively.

As shown in FIG. 1, the front side door 16 includes a door outer panel 28 forming an outer side portion of the front side door 16 and a door inner panel 30 forming an inner side portion of the front side door 16 in the vehicle interior. I have it. The rear stage portion 30A of the door inner panel 30 reaches the vehicle width direction outer side of the B pillar 32, and the flanges 26A, 26B of the extension rear panel 26 are welded to the vehicle width direction outer side surface of the rear stage portion 30A of the door inner panel 30. ing.

The pillar 32 is provided with a pillar outer panel 34 which constitutes an outer side portion of the pillar 32 and a pillar inner panel 36 which constitutes an inner side portion of the pillar 32, and a closed cross-section portion 38 extending in the vertical direction of the vehicle body. Are configured. A reinforcement 40 extending in the vehicle body vertical direction is arranged in the closed cross section 38. The cross-sectional shape of the reinforcement 40 viewed from the vehicle body vertical direction is a hat shape with the opening facing inward in the vehicle width direction, and the front flange 40A connects the connecting flange 34A of the pillar outer panel 34 and the pillar inner panel 36. The rear flange 40B is sandwiched by the flange 36A, and the rear flange 40B is sandwiched by the joint flange 34B of the pillar outer panel 34 and the joint flange 36B of the pillar inner panel 36. In addition, the vehicle width direction outer side wall portion 40 of the reinforcement 40
C is the outer wall portion 34 of the pillar outer panel 34 in the vehicle width direction.
A collision sensor 44 including an acceleration sensor, a displacement sensor, and the like is attached to the vehicle width direction inner side surface of the vehicle width direction outer side wall portion 40C facing the C via a sensor mounting bracket 42.

That is, in a side view, the impact beam 22, the extension rear panel 26, the sensor mounting bracket 42, and the collision sensor 44 are arranged so as to overlap each other.

As shown in FIG. 2, the sensor mounting bracket 42 has a hat-shaped cross-sectional shape when viewed from the front-rear direction of the vehicle body, with its opening facing outward in the vehicle width direction, and the upper flange 42A and the lower flange 42B. Are fixed to the vehicle width direction outer side wall portion 40C of the reinforcement 40 by bolts 46 and nuts 48, respectively. Further, in the sensor mounting bracket 42, the collision sensor 44 is fixed to the vehicle width direction outer side surface of the vehicle width direction inner side wall portion 42C with an adhesive or the like. Therefore, when the vehicle width direction outer side wall portion 40C of the reinforcement 40 is deformed or moved due to a load of a predetermined value or more applied from the vehicle width direction outer side, the collision sensor 44
Is turned on, and the airbag bag is deployed on the side of the occupant.

Next, the operation of the first embodiment will be described.
In the collision sensor mounting structure for the side collision airbag device according to the first embodiment, the vehicle body is laterally attached to the door outer panel 28 of the front side door 16 by a bumper of another vehicle (arrow F1 in FIG. 1).
Direction), the impact beam 22 and the extension rear panel 26 move inward in the vehicle width direction, and the rear stage portion 30A of the door inner panel 30 moves.
The pillar outer panel 34 comes into contact with the vehicle width direction outer side wall portion 34C. Next, the vehicle width direction outer side wall portion 34C of the pillar outer panel 34 contacts the vehicle width direction outer side wall portion 40C of the reinforcement 40. As a result, the vehicle width direction outer side wall portion 40C is moved or deformed, whereby the collision sensor 44 is turned on.

Therefore, in the collision sensor mounting structure for the side collision airbag apparatus according to the first embodiment, the collision sensor 44 is arranged in the closed cross section 38 of the pillar 32, so that the design of the side door can be restricted. Absent.

Further, in the collision sensor mounting structure of the side impact airbag device of the first embodiment, the impact beam 22 is used.
Since the extension rear panel 26, the sensor mounting bracket 42, and the collision sensor 44 are arranged so as to overlap each other in a side view, it is possible to quickly and reliably detect a side collision.

The outer door panel 28 of the front side door 16 is slanted laterally (see FIG. 1) by a bumper of another vehicle.
Even when a collision load is applied from the direction of arrow F2), the rear stage portion 30A of the door inner panel 30 contacts the vehicle width direction outer side wall portion 34C of the pillar outer panel 34, so that the collision sensor 44 is reliably turned on.

Next, a second embodiment of the collision sensor mounting structure of the side impact airbag device according to the present invention will be described with reference to FIGS.

The same members as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 8, the vehicle body 50 of the automobile of the second embodiment is a two-door vehicle, and the front door opening 12 is formed on the side portion thereof. A front side door 16 is attached to 12 so as to be openable and closable by upper and lower hinges 18 and 20. An impact beam mounting bracket 52 is provided at the rear end of the impact beam 22.

As shown in FIG. 5, the impact beam mounting bracket 52 is made of a plate material. The impact beam mounting bracket 52 is used for the door inner panel 30.
It is arranged along the rear step portion 30A, the rear wall portion 30B following the rear step portion 30A, and the inner wall portion 30C following the rear wall portion 30B, and is welded to the inner surface of the door of the door inner panel 30.

On the rear side of the vehicle body of the rear wall portion 30B of the door inner panel 30, a latch 54 as a movable movement transmitting means is welded to a portion opposite to the impact beam mounting bracket 52. The cross-sectional shape of the vehicle as viewed from above and below is the rear wall portion 3 of the door inner panel 30.
It is L-shaped with a mounting piece 54A welded to 0B and an engaging piece 54B. Further, flanges 54C and 54D are formed on the upper and lower edges of the latch 54.

A quarter panel 56 is arranged outside the pillar 32 in the vehicle width direction. The step portion 56A of the quarter panel 56 is welded to the vehicle width direction outer side wall portion 34C of the pillar outer panel 34, and the front wall portion 56B is welded to the front wall portion 34D of the pillar outer panel 34. The front wall portion 56B of the quarter panel 56 and the pillar outer panel 34
A long hole 57 extending along the vehicle width direction is formed in the welded portion of the front wall portion 34D. A bolt 58 as a movement detecting means penetrates through the elongated hole 57 from the front of the vehicle body, and a stopper 60 as a movement detecting means formed of hard rubber, resin or the like is attached to the head of the bolt 58. There is. A nut 62 is screwed into the threaded portion of the bolt 58 from within the closed cross-section portion 38.
Thus, the sensor mounting bracket 64 is fixed to the front wall portion 34D of the pillar outer panel 34. Therefore, when a force of a predetermined value or more is applied to the stopper 60 inward in the vehicle width direction, the sensor mounting bracket 64 along with the bolt 58 and the nut 62 is moved inward in the vehicle width direction along the elongated hole 57. It has become.

As shown in FIG. 6, the stopper 60 is in the form of a block, and the outer surface 60A in the vehicle width direction is the latch 5.
4 is opposed to the engaging piece 54B.

As shown in FIG. 5, the cross-sectional shape of the sensor mounting bracket 64 seen from the vehicle body vertical direction is such that the mounting piece 64 abutting against the front wall portion 34D of the pillar outer panel 34.
It has an L-shape including A and a sensor fixing piece 64B extending from the mounting piece 64A in a substantially vertical direction. In the second embodiment, the sensor fixing piece 64B extends in the vehicle body direction and faces the vehicle width direction outer side wall portion 34C of the pillar outer panel 34.

As shown in FIG. 7, in the sensor mounting bracket 64, the collision sensor 44 is fixed to the inner surface of the sensor fixing piece 64B, and the flanges 64C and 64D are provided at the upper and lower edges of the sensor mounting bracket 64. Are formed.

Next, the operation of the second embodiment will be described.
In the collision sensor mounting structure of the side impact airbag device according to the second embodiment, the vehicle body is laterally attached to the door outer panel 28 of the front side door 16 by a bumper of another vehicle (arrow F1 in FIG. 5).
When a collision load is applied from the direction), first, the rear wall portion 30B of the door inner panel 30 moves inward in the vehicle width direction via the impact beam 22 and the impact beam mounting bracket 52. By this movement, the latch 54 moves inward in the vehicle width direction, and the engagement piece 54B of the latch 54 abuts on the outer side surface 60A of the stopper 60 in the vehicle width direction. As a result, the collision sensor 44 fixed to the sensor mounting bracket 64 along with the bolt 58 and the nut 62 moves inward in the vehicle width direction, and the collision sensor 44 is turned on.

Therefore, in the collision sensor mounting structure for the side collision airbag device of the second embodiment, since the collision sensor 44 is arranged in the closed cross section 38 of the pillar 32, the design of the side door can be restricted. Absent.

Further, in the collision sensor mounting structure for the side collision airbag device of the second embodiment, since the latch 54 engages with the stopper 60, the movement of the front side door 16 is performed via the latch 54 and the stopper 60. The side impact can be promptly and surely detected by promptly transmitting it to the sensor 44.

The outer door panel 28 of the front side door 16 is slanted laterally (see FIG. 5) by a bumper of another vehicle.
The collision sensor 44 is surely turned on even when a collision load is applied from the direction of arrow F2).

Further, the leg portions may be provided above and below the sensor mounting bracket 64, and the leg portions may be fixed to the vehicle width direction outer side wall portion 34C of the pillar outer panel 34. In this case, the sensor mounting bracket is mounted. A deformation promoting portion such as a bead may be provided on the leg portion so that the bracket 64 can easily move inward in the vehicle width direction.

Next, a third embodiment of the collision sensor mounting structure of the side impact airbag device of the present invention will be described with reference to FIGS. 9 and 10.

The same members as those in the second embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 9, in the third embodiment, the impact beam mounting bracket 66 has a U-shaped cross-section viewed from the vehicle body vertical direction with the opening facing forward. Following the mounting part 66A,
The rear wall portion 66B is the rear wall portion 30B of the door inner panel 30.
Further, the inner wall portion 66C following the rear wall portion 66B is welded to the inner wall portion 30C of the door inner panel 30.

Rear wall portion 6 of impact beam mounting portion 66A
6B and a rear wall portion 30B of the door inner panel 30 and a welded portion of the inner wall portion 66C and the inner wall portion 30C are provided with movable movement transmitting means extending outward in the vehicle width direction and forward of the vehicle body. Is formed with a notch 68.

As shown in FIG. 10, this notch 68 is
A width of a portion 68A formed in a welded portion between the inner wall portion 66C and the inner wall portion 30C and extending in the vehicle body front-rear direction is a width 68B formed in a welded portion between the rear wall portion 66B and the rear wall portion 30B and extending in the vehicle width direction. The width is wider than the width of the front side door.
The engaging pin portion 58B erected from the head portion 58A of the bolt 58 enters from the direction of arrow A in FIG. 9 (state of FIG. 9).

Next, the operation of the third embodiment will be described.
In the collision sensor mounting structure of the side impact airbag device according to the third embodiment, a side of the door outer panel 28 of the front side door 16 is provided laterally (arrow F1 in FIG. 9) by a bumper or the like of another vehicle.
When a collision load is applied from the direction), first, the rear wall portion 30B of the door inner panel 30 moves inward in the vehicle width direction via the impact beam 22 and the impact beam mounting bracket 66. By this movement, the cutout portion 68 moves inward in the vehicle width direction, and the engagement pin portion 58B of the bolt 58 engages with the edge portion of the cutout portion 68. This allows the bolt 58
The collision sensor 44 fixed to the sensor mounting bracket 64 together with the nut 62 moves inward in the vehicle width direction, and the collision sensor 44 is turned on.

Therefore, in the collision sensor mounting structure of the side collision airbag device of the third embodiment, since the collision sensor 44 is arranged in the closed cross section 38 of the pillar 32, the design of the side door can be restricted. Absent.

Further, in the collision sensor mounting structure for the side collision airbag device according to the third embodiment, the engaging pin portion 58B of the bolt 58 engages with the edge portion of the cutout portion 68, so that the front side door 16 of the front side door 16 is prevented. Immediately inform the collision sensor 44 of movement,
A side impact can be detected promptly and reliably.

The door outer panel 28 of the front side door 16 is slanted laterally (see FIG. 9) by a bumper of another vehicle.
The collision sensor 44 is surely turned on even when a collision load is applied from the direction of arrow F2).

Next, a fourth embodiment of the collision sensor mounting structure of the side impact airbag device of the present invention will be described with reference to FIGS. 11 and 12.

The same members as those in the second embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 11, in the fourth embodiment, the step portion 56A of the quarter panel 56 and the vehicle width direction outer side wall portion 34C of the pillar outer panel 34 are separated from each other, and the step portion of the quarter panel 56 is separated. A retainer 70 as a movement transmission means is provided upright on the inner side surface of 56A in the vehicle width direction.

As shown in FIG. 12, this retainer 70
Are the disks 70B and 70C on both ends of the shaft 70A, respectively.
Is formed and has a spool shape.

As shown in FIG. 11, one disk 70B of the retainer 70 is fixed to the step portion 56A of the quarter panel 56. The shaft portion 70A of the retainer 70 passes through a through hole 72 formed in the vehicle width direction outer side wall portion 34C of the pillar outer panel 34, and the other disk 70C of the retainer 70 is a sensor fixing piece of the sensor mounting bracket 64. It faces 64B with a gap.

In the fourth embodiment, the mounting piece 64A of the sensor mounting bracket 64 is the pillar outer panel 34.
Is welded to the front wall portion 34D.

Next, the operation of the fourth embodiment will be described.
In the collision sensor mounting structure of the side collision airbag device according to the fourth embodiment, a side of the door outer panel 28 of the front side door 16 (arrow F in FIG. 11) is provided by a bumper of another vehicle.
When a collision load is applied from one direction), first, the rear step portion 30A of the door inner panel 30 moves to the inner side in the vehicle width direction via the impact beam 22 and the impact beam mounting bracket 52, and comes into contact with the step portion 56A of the quarter panel 56. . Further, when the rear step portion 30A of the door inner panel 30 moves inward in the vehicle width direction, the step portion 5 of the quarter panel 56 is moved.
The retainer 70 moves inward in the vehicle width direction via the 6A, and the collision sensor 44 fixed to the sensor mounting bracket 64.
Is pressed inward in the vehicle width direction. As a result, the collision sensor 44 is turned on.

Therefore, in the collision sensor mounting structure of the side collision airbag device of the fourth embodiment, since the collision sensor 44 is arranged in the closed cross section 38 of the pillar 32, the design of the side door can be restricted. Absent.

Further, in the collision sensor mounting structure for the side collision airbag device according to the fourth embodiment, the retainer 70 presses the collision sensor 44 fixed to the sensor mounting bracket 64 inward in the vehicle width direction. Can be detected immediately and reliably.

It should be noted that the door outer panel 28 of the front side door 16 is slanted laterally (see FIG. 1) by a bumper of another vehicle.
When a collision load is applied from the arrow F2 direction of 1),
The collision sensor 44 surely turns on.

Next, a fifth embodiment of the collision sensor mounting structure of the side impact airbag device of the present invention will be described with reference to FIG.

The same members as those in the second embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 13, in the fifth embodiment, the door lock reinforcement 74 is provided on the front side surface of the vehicle body of the rear wall portion 30B of the door inner panel 30. The cross-sectional shape of the door lock reinforcement 74 viewed from the vehicle body vertical direction is a U-shape with the opening facing the front of the vehicle body, and the rear wall portion 74B following the impact beam mounting portion 74A has a door inner panel 30. Rear wall 3
0B, and the inner wall portion 74C following the rear wall portion 74B is welded to the inner wall portion 30C of the door inner panel 30,
A door lock 76 serving as a movement transmitting unit is arranged on the U-shaped inner side portion of the door lock reinforcement 74.

A collision sensor 44 is disposed inside the door lock reinforcement 74 in the vehicle width direction with the front flange 32A of the pillar 32 interposed therebetween, and the front portion of the collision sensor 44 overlies the door lock 76 in a side view. Wrapped (overlap amount W). A weather strip 78 is attached to the front flange 32A of the pillar 32.

The collision sensor 44 is the sensor mounting bracket 8
The sensor mounting bracket 80 is fixed to 0, and the bolt 82 and the nut 84 are attached to the portion 36C of the pillar inner panel 36 where the coupling flange 36A is extended rearward.
Has been fixed by. Further, the collision sensor 44 and the sensor mounting bracket 80 are arranged inside a trim 86 arranged inside the pillar 32 in the vehicle width direction.

Next, the operation of the fifth embodiment will be described.
In the collision sensor mounting structure for the side collision airbag device according to the fifth embodiment, a bumper or the like of another vehicle laterally connects to the door outer panel 28 of the front side door 16 (arrow F in FIG. 13).
When the collision load is applied from one direction), first, the door lock reinforcement 74 together with the impact beam 22.
The door lock 76 moves inward in the vehicle width direction, presses the front flange 32A of the pillar 32 inward in the vehicle width direction via the weather strip 78, and the front flange 32A of the pillar 32 moves inward in the vehicle width direction. As a result, the collision sensor 44 fixed to the sensor mounting bracket 80 moves inward in the vehicle width direction together with the front flange 32A of the pillar 32, and the collision sensor 44 is turned on.

Therefore, in the collision sensor mounting structure for the side collision airbag apparatus according to the fifth embodiment, the collision sensor 44 is arranged on the pillar 32, so that the design of the side door is not restricted.

Further, in the collision sensor mounting structure of the side collision airbag device of the fifth embodiment, the door lock 76 is not easily deformed by the load applied, and the door lock 76 and the collision sensor 44 are viewed from the side. Because of the overlap, a side impact can be detected promptly and reliably.

The door outer panel 28 of the front side door 16 is slanted laterally (see FIG. 1) by a bumper of another vehicle.
3 also when a collision load acts from the arrow F2 direction)
The collision sensor 44 surely turns on.

Next, a sixth embodiment of the collision sensor mounting structure of the side impact airbag device of the present invention will be described with reference to FIG.

The same members as those in the fifth embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 14, in the sixth embodiment, the lock striker 88 as the movement detecting means that engages with the door lock 76 as the movable movement transmitting means overlaps the impact beam 22 in a side view. doing. The lock striker 88 is U-shaped in a plan view, and has a nut 90 on the front wall portion 32B of the pillar 32.
Has been fixed by. Further, a mounting piece 64A of the sensor mounting bracket 64 that also serves as a mounting bracket of the lock striker is fixed to these nuts 90.

Next, the operation of the sixth embodiment will be described.
In the collision sensor mounting structure for the side collision airbag device according to the sixth embodiment, the vehicle body is laterally attached to the door outer panel 28 of the front side door 16 by a bumper of another vehicle (arrow F in FIG. 14).
When the collision load is applied from one direction), first, the door lock reinforcement 74 together with the impact beam 22.
The door lock 76 moves inward in the vehicle width direction, and the lock striker 88 engaged with the door lock 76 is pulled inward in the vehicle width direction. As a result, the collision sensor 44 fixed to the sensor mounting bracket 64 along with the front wall portion 32B of the pillar 32 moves inward in the vehicle width direction, and the collision sensor 44 is turned on.

Therefore, in the collision sensor mounting structure for the side collision airbag device according to the sixth embodiment, since the collision sensor 44 is arranged on the pillar 32, the design of the side door is not restricted.

Further, in the collision sensor mounting structure of the side collision airbag device of the sixth embodiment, the lock striker 88 to which the sensor mounting bracket 64 is fixed overlaps the impact beam 22 in a side view. The side impact can be detected promptly and surely.

The outer door panel 28 of the front side door 16 is slanted laterally (see FIG. 1) by a bumper of another vehicle.
Even when a collision load is applied from the arrow F2 direction of 4),
The collision sensor 44 surely turns on.

A seventh embodiment of the collision sensor mounting structure of the side impact airbag device of the present invention will be described with reference to FIG.

The same members as those in the second embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 15, a door reinforcement 92 is disposed in the lower portion of the front side door 16, and the cross-sectional shape of the door reinforcement 92 as viewed from the front-rear direction of the vehicle body is such that an opening is formed. It has a U-shape facing upwards. Door reinforcement 92
The vehicle width direction outer wall portion 92A is welded to the door outer panel 28, and the vehicle width direction inner wall portion 92B of the door reinforcement 92 is welded to the inner wall portion 30C of the door inner panel 30. Also, the door reinforcement 92
The lower wall portion 92C of the lower inner wall portion 30 is the lower wall portion 30 of the door inner panel 30.
It is welded to D, and the latch 9 is attached to the lower surface of the lower wall portion 30D.
4 are provided.

The cross-sectional shape of the latch 94 when viewed from the front-rear direction of the vehicle body is a U-shape with the opening facing inward in the vehicle width direction, and the mounting piece 94A is provided with the lower wall portion 92C of the door reinforcement 92 and the door. It is fixed to the lower wall portion 30D of the inner panel 30 by welding, bolts or the like. Further, a head portion 98A of a retainer bolt 98 provided on the rocker 96 faces the inside of the engaging piece 94B of the latch 94 in the vehicle width direction, and the front side door 16 is further moved from the closed state (state of FIG. 15). Latch 9 when moved in the vehicle width direction
The four engaging pieces 94B are adapted to engage with the head portion 98A of the retainer bolt 98.

The rocker 96 is provided with a rocker outer panel 100 which constitutes the vehicle body outer side portion of the rocker 96 and a rocker inner panel 102 which constitutes the vehicle cabin inner side portion of the rocker 96, and a closed cross-section portion 104 extending in the vehicle front-rear direction. Are configured. Rocker outer panel 100 upper wall 100A
Faces the lower wall portion 30D of the door inner panel 30, and the retainer bolt 98 is inserted into the through hole 101 formed in the upper wall portion 100A. The through hole 101 is a long hole extending in the vehicle width direction.

Upper wall portion 100 of rocker outer panel 100
On the lower surface of A, the mounting piece 64 of the sensor mounting bracket 64
A is fixed to the retainer bolt 98 by a nut 106 screwed from below the vehicle body, and the collision sensor 44 is fixed to the inner side surface of the sensor fixing piece 64B of the sensor mounting bracket 64 in the vehicle width direction. Therefore, when a force greater than a predetermined value is applied to the head portion 98A of the retainer bolt 98 toward the inner side in the vehicle width direction, the sensor mounting bracket 64 and the collision sensor 44 together with the retainer bolt 98 and the nut 106 are provided in the long hole 101. It is designed to move inward in the vehicle width direction.

Next, the operation of the sixth embodiment will be described.
In the collision sensor mounting structure of the side collision airbag device according to the sixth embodiment, a side of the door outer panel 28 of the front side door 16 is provided laterally (arrow F in FIG. 15) by a bumper or the like of another vehicle.
When a collision load is applied from one direction), first, the door reinforcement 92 and the lower wall portion 3 of the door inner panel 30.
0D moves inward in the vehicle width direction. By this move,
The latch 94 moves inward in the vehicle width direction, and the engagement piece 94B of the latch 94 engages with the head portion 98A of the retainer bolt 98. Furthermore, when the latch 94 moves inward in the vehicle width direction,
Together with the retainer bolt 98 and the nut 106, the collision sensor 44 fixed to the sensor mounting bracket 64 moves inward in the vehicle width direction, and the collision sensor 44 is turned on.

Therefore, in the collision sensor mounting structure for the side collision airbag device according to the sixth embodiment, since the collision sensor 44 is arranged in the closed cross section 104 of the rocker 96, the design of the side door can be restricted. Absent.

Further, in the collision sensor mounting structure of the airbag apparatus for side collision of the sixth embodiment, since the engaging piece 94B of the latch 94 engages with the head portion 98A of the retainer bolt 98, the side collision is promptly performed. And it can be detected reliably.

As shown in FIG. 16, a retainer bolt 98 is provided on the front side door 16 and the latch 9 is attached.
4 may be provided on the upper wall portion 100A of the rocker outer panel 100. In this case, the mounting piece 94A of the latch 94 is welded to the mounting piece 64A of the sensor mounting bracket 64 with the upper wall portion 100A of the rocker outer panel 100 interposed therebetween.

In the above, the present invention has been described in detail with respect to specific embodiments, but the present invention is not limited to such embodiments, and various other embodiments within the scope of the present invention. It is obvious to a person skilled in the art that For example, in the first to fifth embodiments, the pipe-shaped impact beam 22 is used, but instead of this, as shown in FIG. 17, the cross-sectional shape seen from the vehicle front-rear direction has an opening. Using a hat-shaped impact beam 122 directed inward in the vehicle width direction, the flange portion 1
22A may be welded to the door inner panel 30.

[0092]

According to the present invention of claim 1, there is provided a collision sensor mounting structure for a side collision airbag device for detecting a side collision by a collision sensor and activating the airbag device, wherein the collision sensor is provided on a pillar. With this configuration, it has an excellent effect of not restricting the design of the side door.

According to a second aspect of the present invention, there is provided a collision sensor mounting structure for a side impact airbag apparatus according to the first aspect,
Since the collision sensor is an acceleration sensor that detects the movement of the side door and turns on, the collision sensor has an excellent effect of being able to detect a side collision promptly and surely in addition to the effect of the first aspect.

According to a third aspect of the present invention, in the collision sensor mounting structure of the side impact airbag device according to the second aspect,
Since the movement of the side door is transmitted to the acceleration sensor via the impact beam, it has the same effect as that of the second aspect.

According to a fourth aspect of the present invention, there is provided a collision sensor mounting structure for a side collision airbag device according to the second aspect,
Since at least one of the side door and the pillar side is provided with the movement transmitting means for transmitting the movement from the closed position of the side door to the inside of the vehicle width direction to the acceleration sensor, the movement of the side door is swiftly and reliably performed. And tell
It has the same effect as the effect described in claim 2.

According to a fifth aspect of the present invention, there is provided a collision sensor mounting structure for a side collision airbag device according to the fourth aspect,
The movement transmission means includes movable movement transmission means that is provided on the side door side and moves by movement of the side door, and movement detection means that is provided on the pillar side and that turns on the acceleration sensor by movement of the movable movement transmission means. Therefore, there is an excellent effect that the side impact can be detected promptly and surely without restricting the design of the side door.

According to a sixth aspect of the present invention, there is provided a collision sensor mounting structure for a side impact airbag device according to the fourth aspect, wherein:
Since the movement transmitting means is provided in the side door and overlaps with the acceleration sensor in a side view, it has an excellent effect of being able to detect a side collision promptly and surely without restricting the design of the side door. Have.

According to a seventh aspect of the present invention, there is provided a collision sensor mounting structure for a side collision airbag device for detecting a side collision by a collision sensor and operating the airbag device, wherein the collision sensor is arranged in a rocker. Therefore, there is an excellent effect that the design of the side door is not restricted.

[Brief description of the drawings]

FIG. 1 is a horizontal cross-sectional view showing a collision sensor mounting structure of a side impact airbag device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a part of the collision sensor mounting structure of the side collision airbag device according to the first embodiment of the present invention, as seen from the diagonally front inside of the vehicle body.

FIG. 3 is a perspective view showing a part of the collision sensor mounting structure of the side collision airbag device according to the first embodiment of the present invention, as viewed from the diagonally front inside of the vehicle body.

FIG. 4 is a schematic side view showing a vehicle body to which the collision sensor mounting structure of the airbag apparatus for side impact according to the first embodiment of the present invention is applied.

FIG. 5 is a horizontal cross-sectional view showing a collision sensor mounting structure of a side impact airbag device according to a second embodiment of the present invention.

FIG. 6 is a perspective view showing a part of the collision sensor mounting structure of the side impact airbag apparatus according to the second embodiment of the present invention, as viewed from the diagonally lower rear side of the vehicle body.

FIG. 7 is a perspective view showing a part of a collision sensor mounting structure of the side collision airbag device according to the second embodiment of the present invention, as viewed from the diagonally rearward inside of the vehicle body.

FIG. 8 is a schematic side view showing a vehicle body to which a collision sensor mounting structure of a side impact airbag device according to a second embodiment of the present invention is applied.

FIG. 9 is a horizontal sectional view showing a collision sensor mounting structure of a side impact airbag device according to a third embodiment of the present invention.

FIG. 10 is a perspective view showing a part of a collision sensor mounting structure of a side impact airbag device according to a third embodiment of the present invention as seen from the diagonally front inside of the vehicle body.

FIG. 11 is a horizontal cross-sectional view showing a collision sensor mounting structure of a side impact airbag device according to a fourth embodiment of the present invention.

FIG. 12 is a perspective view showing a part of a collision sensor mounting structure of a side impact airbag device according to a fourth embodiment of the present invention, as viewed from the diagonally upper front side of the vehicle body.

FIG. 13 is a horizontal cross-sectional view showing a collision sensor mounting structure of a side impact airbag device according to a fifth embodiment of the present invention.

FIG. 14 is a horizontal sectional view showing a collision sensor mounting structure of a side impact airbag device according to a sixth embodiment of the present invention.

FIG. 15 is a sectional view showing a collision sensor mounting structure of a side impact airbag device according to a seventh embodiment of the present invention, as seen from the front of the vehicle body.

FIG. 16 is a cross-sectional view seen from the front of the vehicle body showing a part of the collision sensor mounting structure of the airbag apparatus for side collision according to the modification of the seventh embodiment of the present invention.

FIG. 17 is a perspective view of an impact beam of a collision sensor mounting structure for a side impact airbag device according to another embodiment of the present invention, as seen from the diagonally front inside of the vehicle body.

FIG. 18 is a perspective view showing a collision sensor mounting structure of a side impact airbag device according to a conventional embodiment.

[Explanation of symbols]

16 Front Side Door 22 Impact Beam 26 Extension Rear Panel 32 Pillar 38 Closed Section 40 Reinforcement 42 Sensor Mounting Bracket 44 Collision Sensor 52 Impact Beam Mounting Bracket 54 Latch (Movable Movement Transmission Means) 58 Bolt (Movement Detection Means) 60 Stopper (Movement detection means) 64 Sensor mounting bracket 66 Impact beam mounting bracket 68 Notch (movable movement transmission means) 70 Retainer (movement transmission means) 74 Door lock reinforcement 76 Door lock (movement transmission means, movable movement transmission means) 80 Sensor mounting bracket 88 Lock striker (movement detecting means) 92 Door reinforcement 94 Latch 96 Rocker 98 Retainer bolt

Claims (7)

[Claims] 1. A collision sensor mounting structure for a side collision airbag device for detecting a side collision by a collision sensor to operate an airbag device, wherein the collision sensor is arranged on a pillar. Collision sensor mounting structure for air bag system. 2. The collision sensor mounting structure for a side collision airbag apparatus according to claim 1, wherein the collision sensor is an acceleration sensor that detects movement of a side door and turns on. 3. The collision sensor mounting structure for a side collision airbag apparatus according to claim 2, wherein the movement of the side door is transmitted to the acceleration sensor via an impact beam. 4. A movement transmission means for transmitting the movement from the closed position of the side door to the inside of the vehicle width direction to the acceleration sensor on at least one of the side door side and the pillar side. The collision sensor mounting structure of the airbag apparatus for side impact according to 2. 5. The movement transmission means is provided on a side door side and moves by the movement of the side door, and the movement transmission means is provided on a pillar side, and the acceleration sensor is turned on by movement of the movable movement transmission means. 5. A collision sensor mounting structure for a side impact airbag device according to claim 4, further comprising: a movement detecting means for causing the collision sensor to move. 6. The collision sensor for a side-impact airbag apparatus according to claim 4, wherein the movement transmitting means is arranged in the side door so as to overlap with the acceleration sensor in a side view. Mounting structure. 7. A collision sensor mounting structure for a side collision airbag device for detecting a side collision by a collision sensor to operate an airbag device, wherein the collision sensor is arranged in a rocker. Collision sensor mounting structure for air bag system.