JP2009023600A - External airbag device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an external airbag device that increases the flexibility of creating artistic designs of vehicles. <P>SOLUTION: An airbag element 14 is stored in a folded state in a door mirror 12, provided on a vehicular door 28, for viewing the rear part of a vehicle. The airbag element 14 is inflated by the supply of a gas from an inflator 16 when a collision body collides with a vehicle and inflated to the vehicle front side of a front pillar. Impact energy is absorbed by the state where the collision body hits the developed airbag element 14. This way, the airbag element 14 is developed from the inside of the door mirror 12 to the vehicle front side of the front pillar, so that it is not necessary to provide an airbag door used for a hood airbag device on a hood of a vehicle. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an outside air bag apparatus.

An airbag is provided near the lower end of the front pillar, and a lid is disposed above the upper end of the airbag. When the vehicle collides, the lid is removed by the bulging and deploying force of the airbag, and the airbag is removed. A vehicle-exposed airbag device of a type that extends along the outer surface of the front pillar is disclosed (see Patent Document 1).
Japanese Patent No. 3682502

  However, in the above-described conventional example, it is necessary to set a lid on the hood or cowl near the lower end of the front pillar, which is the place where the airbag is mounted, and the presence of the lid limits the degree of freedom in designing the design of the vehicle. it is conceivable that.

  In view of the above-described facts, an object of the present invention is to provide an automotive airbag device that can increase the degree of freedom in designing a vehicle design.

  The invention according to claim 1 is housed in a folded state on the front side of the vehicle in a door mirror for checking the rear of the vehicle provided on the vehicle door, and expands by receiving supply of gas from an inflator as a gas supply source. It has the airbag bag body developed to the vehicle front side of the pillar.

  In the air bag device for an outside vehicle according to claim 1, the air bag body is stored in a folded state in a door mirror for checking the rear of the vehicle provided in the vehicle door, and the air bag body is a vehicle When the collision body collides with the gas, the gas expands upon receiving the gas supplied from the inflator and expands to the front side of the vehicle on the front pillar. The impact energy can be absorbed by the collision body hitting the deployed airbag body. As described above, in the airbag apparatus for an outside vehicle according to claim 1, since the airbag bag body is deployed from the door mirror to the vehicle front side of the front pillar, the airbag bag body is stored in the hood of the vehicle. There is no need to provide the airbag door used in the hood. For this reason, it is possible to raise the freedom degree of the design design of a vehicle.

  According to a second aspect of the present invention, in the vehicle exterior airbag device according to the first aspect, the inflator is disposed in the door mirror.

  In the vehicle airbag apparatus according to claim 2, since the inflator is disposed in the door mirror, the inflator and the airbag bag body can be modularized and easily assembled to the door mirror. be able to.

  According to a third aspect of the present invention, in the vehicle exterior airbag device according to the first or second aspect, the door mirror is disposed in a door mirror cover which is an exterior member having an opening on the vehicle rear side, and the door mirror cover. A mirror mechanism disposed within the door mirror cover on the vehicle front side of the mirror and capable of adjusting an angle of the mirror, and the airbag bag body includes the mirror mechanism within the door mirror cover. The vehicle is housed on the vehicle front side.

  In the vehicle airbag apparatus according to claim 3, since the airbag bag body is housed on the vehicle front side of the mirror mechanism in the door mirror cover, the reaction force at the initial stage of deployment of the airbag bag body Can be generated in the mechanism.

  According to a fourth aspect of the present invention, in the vehicle airbag apparatus according to the third aspect, a reaction force that generates a reaction force at the initial stage of the deployment of the airbag bag body between the airbag bag body and the mirror mechanism. A force member is provided.

  In the vehicle airbag device according to claim 4, a reaction force member that generates a reaction force at the initial stage of deployment of the airbag bag body is provided between the airbag bag body and the mirror mechanism. The reaction force at the initial stage of deployment of the airbag body can be generated in the reaction force member.

  According to a fifth aspect of the present invention, in the vehicle exterior airbag device according to the third or fourth aspect, a door portion that can be deployed by an inflation pressure of the airbag bag body is provided at a vehicle front portion of the door mirror cover. It is characterized by being.

  In the air bag device for an outside vehicle according to claim 5, since the door part is provided in the vehicle front part of the door mirror cover, and the door part can be developed by the inflation pressure of the air bag body, the air bag body Bulges out of the door mirror from the opening formed by the expansion of the door. For this reason, the airbag bag can be stably inflated outside the door mirror.

  According to a sixth aspect of the present invention, in the airbag apparatus for an outside vehicle according to the fifth aspect, the door portion is formed integrally with the door mirror cover, and the airbag bag body is inflated around the door portion. It is characterized in that a planned fracture portion that is broken by pressure is provided.

  In the vehicle exterior airbag device according to the sixth aspect, since the door portion is formed integrally with the door mirror cover, and the portion to be broken is provided around the door portion due to the inflation pressure of the airbag bag body. The airbag bag body can be stably inflated outside the door mirror when a collision body collides with the vehicle while ensuring the degree of freedom in designing the design of the door mirror.

  According to a seventh aspect of the present invention, in the vehicle exterior airbag device according to the fifth or sixth aspect, the door mirror cover is provided with a regulating means for regulating a deployment amount of the door portion. Yes.

  According to the seventh aspect of the present invention, since the door mirror cover is provided with the restricting means for restricting the amount of expansion of the door portion, the size of the opening formed by the expansion of the door portion is also restricted. The By restricting the size of the opening in this manner, the deployment direction of the airbag bag body can be restricted. In addition, this makes it possible to more stably deploy the airbag bag body to the front side of the front pillar.

  The invention according to claim 8 is the air bag device for vehicle exterior according to any one of claims 3 to 7, wherein the inflation pressure of the airbag bag body is formed on a wall portion in the vehicle width direction of the door mirror cover. A sub-door portion is provided, which is configured to be deployable, and is provided for inflating a part of the airbag bag body between the door mirror and the vehicle body side portion.

  In the air bag device for vehicle exterior according to claim 8, when the collision body collides with the vehicle and the airbag bag body is deployed to the front side of the vehicle of the front pillar, the sub door portion of the door mirror cover is the airbag bag body. A part of the airbag bag body bulges between the door mirror and the side part of the vehicle body from the opening formed thereby. Therefore, when the airbag bag body is deployed to the front side of the front pillar, the door mirror can be prevented from rotating in the folding direction due to the reaction. For this reason, even when the door mirror is configured to be foldable, the airbag bag body can be stably deployed toward the vehicle front side of the front pillar.

  As explained above, according to the vehicle airbag device according to claim 1 of the present invention, it is possible to provide a vehicle airbag device that can increase the degree of freedom of design design of the vehicle. An excellent effect is obtained.

  According to the air bag device for an outside vehicle according to the second aspect, an excellent effect is obtained that the inflator can be easily assembled to the door mirror.

  According to the air bag device for a vehicle according to the third aspect, an excellent effect is obtained in that a reaction force at the initial stage of deployment of the air bag body can be generated in the mirror mechanism.

  According to the air bag device for the outside of the vehicle according to the fourth aspect, an excellent effect is obtained that the reaction force at the initial stage of the deployment of the airbag bag body can be generated in the reaction force member.

  According to the exterior airbag device of the fifth aspect, an excellent effect that the airbag bag body can be stably inflated outside the door mirror is obtained.

  According to the air bag device for an outside vehicle according to claim 6, the airbag bag body is stably inflated outside the door mirror when the collision body collides with the vehicle while ensuring the degree of freedom of design of the door mirror. An excellent effect that it can be produced is obtained.

  According to the vehicle airbag apparatus described in claim 7, an excellent effect that the airbag bag body can be more stably deployed toward the vehicle front side of the front pillar is obtained.

  According to the vehicle airbag device according to claim 8, even when the door mirror is configured to be foldable, the airbag bag body can be stably deployed to the vehicle front side of the front pillar. Effect.

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

[First Embodiment]
In FIG. 1, an exterior airbag device 10 according to the present embodiment is an airbag device provided in, for example, a door mirror 12, and as shown in FIG. 2, an airbag bag body 14, an inflator 16, The reaction force member 18 is provided.

  2 and 3, the door mirror 12 is a vehicle rear confirmation component provided on the vehicle exterior side of the vehicle door 28, for example, and includes a door mirror cover 22 that is an exterior member opened on the vehicle rear side, and the door mirror cover 22. A mirror 23 disposed inside, a mirror mechanism 26 disposed in the vehicle front side of the mirror 23 in the door mirror cover 22 and capable of adjusting the angle of the mirror 23, a vehicle door 28, a door mirror cover 22, And a door mirror stay 38 for connecting the two.

  As shown in FIGS. 2 and 3, the airbag bag body 14 is stored in a folded state on the front side of the vehicle in the door mirror 12. Specifically, a reaction force member 18 is provided on the vehicle front side of the mirror mechanism 26 in the door mirror cover 22 of the door mirror 12, and the airbag bag body 14 is further on the vehicle front side of the reaction force member 18. It is stored in a folded state.

  As shown in FIGS. 4 and 5, the airbag bag body 14 is inflated upon supply of gas from an inflator 16 that is a gas supply source, and is deployed to the vehicle front side of the front pillar 24. Has been.

  The inflator 16 is disposed in the door mirror 12 together with the airbag bag body 14, and is connected to an airbag ECU (not shown). The airbag ECU is connected to a collision sensor (not shown). When it is determined that a collision object (not shown) has collided with the vehicle 40 based on a signal from the collision sensor, an ignition current is supplied to the inflator 16. It is configured as follows. The inflator 16 is configured to operate by this ignition current and eject a large amount of gas from the gas ejection port 16A.

  Here, as the inflator 16, a gas generating agent sealed type or a high pressure gas sealed type may be used. A configuration example of the inflator 16 will be briefly described. In the case of a gas generating agent-enclosed type, a bottomed cylindrical housing having a plurality of gas ejection ports formed on the peripheral surface, and the housing disposed in the housing for combustion. A gas generating agent that generates gas, a filter that removes debris after combustion of the gas generating agent, an electric ignition ignition device that is attached to an end of the housing on the opening side and burns the gas generating agent , Including.

  On the other hand, in the case of a high-pressure gas sealed type, a bottomed cylindrical housing, a pressure partition disposed in the housing, argon, helium sealed in a chamber separated by the pressure partition and the housing, etc. , A moving member that is movably disposed in the vicinity of the pressure partition, and that breaks the pressure partition by moving, and an electric ignition type ignition device that is mounted on the end of the housing on the opening side and moves the moving member And. In the air bag device 10 for outside the vehicle, since the accommodation space of the inflator 16 in the door mirror 12 is relatively small, the high pressure gas sealed type is considered preferable.

  As shown in FIGS. 2 and 3, the inflator 16 is disposed in the airbag bag body 14, for example. The airbag bag body 14 is accommodated in the airbag case 30 together with the inflator 16, thereby forming an airbag module 32.

  As shown in FIG. 3, at the lower part of the airbag module 32, for example, two stud bolts 34 extending from the inflator 16 protrude downward from the vehicle. On the bottom surface 22G of the door mirror cover 22, a base portion 22A for the airbag module 32 is provided so as to project upward from the vehicle, and the stud bolt 34 is inserted into two through holes 22B provided in the base portion 22A. Each is inserted from above the vehicle. A counterbore 22C corresponding to the position of the through hole 22B is formed on the lower surface side of the pedestal portion 22A, and a nut 36 is fastened to the stud bolt 34 in the counterbore 22C. For example, the airbag module 32 is fixed to the door mirror cover 22 in this manner. In addition, the fixing method of the airbag module 32 is not restricted to this. The reaction member 18 is also fastened to the pedestal 22 </ b> A of the door mirror cover 22.

  2 and 3, the reaction force member 18 is a member for generating a reaction force at the initial stage of deployment of the airbag bag body 14, and the reaction force member 18 is formed between the airbag bag body 14 (airbag module 32) and the mirror mechanism 26. It is provided in between. Specifically, the reaction member 18 includes a base 18A having an inverted U-shaped cross section corresponding to the pedestal 22A of the door mirror cover 22, and an outer surface in the vehicle width direction of the airbag module 32 connected to the base 18A. It has a lateral wall portion 18B that extends, and a rear wall portion 18C that is connected to the base portion 18A and extends along the vehicle width rear surface of the airbag module 32. As shown in FIG. 2, the lateral wall portion 18B and the rear wall portion 18C are formed, for example, in an L shape in a vehicle plan view. The L-shaped lateral wall portion 18 </ b> B and the rear wall portion 18 </ b> C are disposed between the airbag bag body 14 and the mirror mechanism 26.

  In the present embodiment, due to the arrangement of the inflator 16 in the door mirror cover 22, the end 16B on the outer side in the vehicle width direction of the inflator 16 protrudes outward in the vehicle width direction from the lateral wall portion 18B. For this reason, a gap 18D corresponding to the diameter of the inflator 16 is provided in the lateral wall 18B. The gap 18D is formed, for example, in the vehicle vertical direction.

  Instead of the gap 18D, a through hole (not shown) corresponding to the diameter of the end 16B of the inflator 16 may be provided in the lateral wall 18B. Further, the lateral wall portion 18B is not provided with the gap portion 18D or the through hole. For example, a concave portion corresponding to the end portion 16B of the inflator 16 may be provided in the lateral wall portion 18B so that the inflator 16 does not protrude from the lateral wall portion 18B. . When the end portion 16B of the inflator 16 does not protrude outward in the vehicle width direction from the lateral wall portion 18B due to the arrangement of the inflator 16, it is not necessary to provide a gap portion 18D, a through hole, a concave portion, or the like in the lateral wall portion 18B.

  As shown in FIGS. 2 and 3, a door portion 22 </ b> D that can be deployed by the inflation pressure of the airbag bag body 14 is provided at the vehicle front portion of the door mirror cover 22. The door portion 22D is formed integrally with, for example, the door mirror cover 22, and as shown in FIG. 3, a portion to be broken is broken around the door portion 22D due to the inflation pressure of the airbag bag body 14. 22E is provided. The planned fracture portion 22E is a so-called tear line formed thinner than the general portion of the door mirror cover 22. However, the portion that is the outer side in the vehicle width direction around the door portion 22D is set as a hinge portion 22H when the door portion 22D is deployed. That is, the planned fracture portion 22E is provided in a portion of the periphery of the door portion 22D excluding the hinge portion 22H. Thereby, door part 22D is comprised so that the fracture | rupture planned part 22E may fracture | rupture and it may expand | deploy to the vehicle front side centering on hinge part 22H.

  The door mirror cover 22 is provided with strips 42 and 44 as an example of a restricting means for restricting the amount of expansion of the door portion 22D. The belt-like bodies 42 and 44 are, for example, non-stretchable cloth having a strength capable of withstanding the inflation pressure of the airbag bag body 14.

  Specifically, pedestal portions 22F for the belt-like bodies 42 are respectively provided on the upper part of the back surface of the door portion 22D and the ceiling surface 22S of the door mirror cover 22, and both ends of the belt-like body 42 are respectively connected to the respective pedestals. The portion 22F is fastened and fixed using, for example, a screw 46. Further, a pedestal portion 22J for the belt-like body 44 is provided on the lower portion of the back surface of the door portion 22D and the door portion 22D of the door mirror cover 22, respectively. Both ends of the belt-like body 44 are provided on each pedestal portion 22J, for example. It is fastened and fixed using screws 46. The unfolded amount of the door portion 22D can be set by the lengths of the strips 42 and 44, and the extra length portion during normal use is appropriately folded.

  In addition, about the structure and fixing method of the strip | belt-shaped bodies 42 and 44, it is not restricted to the example of the said description and illustration. For example, both ends of the belt-like body 42 and the belt-like body 44 may be reinforced by metal plates, and the metal plate portions may be fastened and fixed to the pedestal portions 22F and 22J with screws 46, respectively.

  As shown in FIG. 2, the door portion 22D is inclined so as to extend forward in the vehicle width direction in the vehicle plan view, and the inflator 16 is also inclined and arranged along the door portion 22D. It is installed. This is because the door mirror 12 is generally positioned at the rear of the vehicle with respect to the lower portion of the front pillar 24, and the airbag bag body 14 is efficiently deployed on the front side of the front pillar 24 in the vehicle. To be able to do that.

(Function)
This embodiment is configured as described above, and the operation thereof will be described below. As shown in FIG. 2, in the vehicle airbag device 10, the inflator 16 is disposed in the door mirror, and the inflator 16 and the airbag bag body 14 can be modularized as an airbag module 32. Therefore, the airbag bag body 14 and the inflator 16 can be easily assembled to the door mirror 12.

  Next, in FIG. 5, in the vehicle airbag apparatus 10, a collision body (not shown) collides with the vehicle 40, and the airbag ECU determines the occurrence of the collision based on a signal from a collision sensor (not shown). Then, an ignition current flows from the airbag ECU to the inflator 16, the inflator 16 is activated, and a large amount of gas is ejected from the gas ejection port 16A. When this gas is supplied to the folded airbag bag body 14, the airbag bag body 14 starts to inflate and deploy.

  The airbag bag body 14 is housed inside the door mirror cover 22 on the vehicle front side of the mirror mechanism 26, and between the airbag bag body 14 (airbag module 32) and the mirror mechanism 26. Since the force member 18 is provided, a reaction force at the initial stage of deployment of the airbag bag body 14 can be generated in the reaction force member 18. Specifically, in the reaction member 18, the lateral wall portion 18 </ b> B and the rear wall portion 18 </ b> C are formed in an L shape in a plan view of the vehicle, and the flexural rigidity is larger than that of the flat plate. It is difficult to be deformed by the inflation pressure of the bag body 14, and the reaction force against the inflation pressure can be efficiently generated by receiving the inflation pressure of the airbag bag body 14. In other words, the reaction force member 18 prevents the airbag bag body 14 from expanding and deploying to the rear of the vehicle and to the outside of the vehicle width, so that the airbag bag body 14 can be stably moved mainly to the front of the vehicle outside the door mirror 12. Can bulge.

  Here, as shown in FIG. 5, a door portion 22D is provided in the front portion of the door mirror cover 22 in the vehicle, and a planned fracture portion 22E is provided around the door portion 22D. When the planned breaking portion 22E is broken by the inflation pressure of the airbag bag body 14, the door portion 22D is deployed to the front side of the vehicle centering on the hinge portion 22H on the outer side in the vehicle width direction. An opening 48 is formed on the inner side in the vehicle width direction.

  At this time, the deployment amount of the door portion 22D is such that the belt-like body 42 that connects the upper portion of the back surface of the door portion 22D and the ceiling surface 22S of the door mirror cover 22, the lower portion of the back surface of the door portion 22D, and the bottom surface 22G of the door mirror cover 22 Are regulated by a belt-like body 44 connecting the two. Thereby, the magnitude | size of the opening part 48 formed by expansion | deployment of the door part 22D can be controlled, and the expansion | deployment direction of the airbag body 14 can be controlled. Further, the upper and lower belt-like bodies 42 and 44 can suppress the airbag bag body 14 from expanding in the vehicle vertical direction from the vicinity of the central portion in the vehicle width direction of the door mirror cover 22.

  By forming the opening 48 toward the vehicle width direction inner side and the vehicle front side, the airbag bag body 14 is positioned on the vehicle front side of the front pillar 24, for example, on the vehicle front side of the front pillar 24 relative to the door mirror 12. It can be more stably deployed to the vehicle front side below the pillar (see FIG. 4). The impact energy can be absorbed by the collision body hitting the deployed airbag bag body 14.

  As described above, in the airbag apparatus 10 for the vehicle outside, the airbag bag body 14 is deployed from the door mirror 12 to the vehicle front side of the front pillar 24, so that the airbag bag body is stored in the hood 50 of the vehicle 40. It is not necessary to provide the hood 50 with the airbag door to be used. For this reason, it is possible to raise the freedom degree of the design design of the vehicle 40. FIG. Furthermore, since the door portion 22D that is developed by the inflation pressure of the airbag bag body 14 is provided integrally with the door mirror cover 22, the degree of freedom in design of the door mirror 12 can be ensured.

  It is desirable that the airbag bag body 14 be deployed so as to cover at least the lower portion of the front pillar 24 from the front side of the vehicle. Further, as shown in FIG. 4, the center portion of the front pillar 24 and the hood 50 You may comprise so that a back end part, a cowl (not shown), etc. can be covered. The deployed shape of the airbag bag body 14 can be set by providing a strap or the like (not shown) inside the airbag bag body 14.

[Second Embodiment]
6, in the vehicle airbag apparatus 20 according to the present embodiment, a portion of the door mirror cover 22 in the door mirror 12 is configured to be rotatable about a central axis 52 with respect to the door mirror stay 38, thereby the door mirror. 12 is configured to be arbitrarily foldable.

  The wall portion 22K on the inner side in the vehicle width direction of the door mirror cover 22 is configured to be deployable by the inflation pressure of the airbag bag body 14, and a part 14A (FIG. 7) of the airbag bag body 14 is connected to the door mirror 12 and the vehicle body side. A sub-door portion 22L is provided to bulge between the vehicle door 28 as an example of the portion.

  The auxiliary door portion 22L is formed integrally with the wall portion 22K, for example, at the rear portion of the wall portion 22K, and is broken around the auxiliary door portion 22L due to the inflation pressure of the airbag bag body 14. A scheduled portion 22M is provided. The planned fracture portion 22M is a so-called tear line formed thinner than the general portion of the door mirror cover 22. However, of the periphery of the sub door portion 22L, for example, the portion that becomes the rear side of the vehicle is set as a hinge portion 22N when the sub door portion 22L is deployed. That is, the planned break portion 22M is provided in a portion of the periphery of the sub door portion 22L excluding the hinge portion 22N. Accordingly, the sub door portion 22L is configured to expand inward in the vehicle width direction with the hinge portion 22N as a center when the planned break portion 22M is broken (see FIG. 7).

  When the airbag bag body 14 is inflated and deployed, the rear wall portion 18C of the reaction member 18 is located on the vehicle rear side of the sub door portion 22L in the vehicle plan view so that the inflation pressure acts on the sub door portion 22L. Extending toward the hinge portion 22N.

  The position of the central shaft 52 and the folded state of the door mirror 12 are not limited to the illustrated configuration.

  Since other parts are the same as those in the first embodiment, the same parts are denoted by the same reference numerals in the drawings, and the description thereof is omitted.

(Function)
This embodiment is configured as described above, and the operation thereof will be described below. In FIG. 7, when the collision body collides with the vehicle 40 (FIG. 1), the breakable portion 22E of the door mirror cover 22 causes the inflation pressure of the airbag bag body 14 in the vehicle exterior airbag device 20 to be the same as in the first embodiment. The door portion 22D expands toward the vehicle front side with the hinge portion 22H on the outer side in the vehicle width direction as a center, and an opening 48 is formed on the vehicle front portion of the door mirror cover 22 in the vehicle width direction. Through this opening 48, the airbag bag body 14 is deployed to the front side of the vehicle of the front pillar 24.

  At this time, a part 14A of the airbag bag body 14 is guided by the rear wall 18C of the reaction member 18 and expands in the direction of the sub door 22L. Thereby, the inflation pressure of the airbag bag body 14 acts on the sub door portion 22L. Then, due to the bulging pressure, the planned fracture portion 22M around the sub door portion 22L breaks, and the sub door portion 22L expands inward in the vehicle width direction around the hinge portion 22N on the vehicle rear side. As a result, an opening 54 is formed in the rear portion of the wall portion 22K in the door mirror cover 22.

  From this opening 54, a part 14 </ b> A of the airbag bag body 14 bulges between the door mirror 12 and the vehicle door 28. When a portion 14A of the airbag bag body 14 is pressed against the vehicle door 28, a force in the anti-folding direction acts on the door mirror cover 22. For this reason, it is possible to suppress the door mirror 12 from rotating in the folding direction of the door mirror 12 due to the reaction of the deployment of the airbag bag body 14 to the front side of the front pillar 24. In addition, this makes it possible to stably deploy the airbag bag body 14 to the vehicle front side of the front pillar 24 even when the door mirror 12 is configured to be foldable.

  Although the vehicle body side portion has been described as the vehicle door 28 in the present embodiment, the vehicle body side portion is not limited to this, and the door mirror cover is formed when the portion 14A of the airbag bag body 14 is pressed. What is necessary is just a site | part which can produce the force of the anti-folding direction to 22. For example, the base part (not shown) of the door mirror stay 38 may be sufficient.

(Other embodiments)
In each of the above embodiments, the restricting means for restricting the expansion amount of the door portion 22D has been described as the strips 42 and 44, but the restricting means is not limited to this. For example, it may be configured such that when a predetermined amount of the door portion 22D is deployed, the upper side and the lower side of the door portion 22D are locked to the ceiling surface 22S and the bottom surface 22G of the door mirror cover 22, respectively.

  Further, the configuration of the airbag module 32 and the state of installation in the door mirror cover 22 are not limited to the above description and illustrated examples.

  Furthermore, the reaction force member 18 is not limited to the above configuration and the illustrated configuration, and may be a plate-like member that partitions the air bag 14 (airbag module 32) and the mirror mechanism 26 from each other. Further, without using the reaction force member 18, for example, the mirror mechanism 26 and its attachment strength are increased more than usual so that the reaction force at the initial stage of deployment of the airbag bag body 14 is generated in the mirror mechanism 26. May be.

  The installation position of the inflator 16 is not limited to the door mirror 12 and may be, for example, the vehicle door 28. By doing in this way, the capacity | capacitance of the airbag bag body 14 can be ensured more. In this case, the inflator 16 and the airbag bag body 14 are connected by a gas supply pipe (not shown).

  Furthermore, in each said embodiment, although the door part 22D was integrally provided in the door mirror cover 22, it is not restricted to this, A door part is made into a fitting type (not shown), and an airbag bag body The door portion may be configured to be detached from the door mirror cover 22 when 14 expansion pressure is applied. Even in this case, it is possible to regulate the amount of expansion of the door portion by using the regulating means such as the strips 42 and 44.

1 to 5 relate to the first embodiment, and FIG. 1 is a perspective view showing the vicinity of the front pillar on the right side of the vehicle. FIG. 2 is an enlarged cross-sectional view taken along arrow 2-2 in FIG. It is an expansion disassembled perspective view which shows the airbag apparatus for vehicle exteriors. In FIG. 1, it is a perspective view which shows the state which the airbag bag body expand | deployed from the door mirror to the vehicle front side of the front pillar. FIG. 5 is an enlarged cross-sectional view taken along arrow 5-5 in FIG. 4, showing a deployed state of the airbag bag body. 6 and 7 relate to the second embodiment, and FIG. 6 is an enlarged cross-sectional view showing the vehicle airbag device. It is an expanded sectional view which shows the expansion | deployment state of an airbag bag body.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Outside air bag apparatus 12 Door mirror 14 Air bag body 14A A part 16 Inflator 18 Reaction force member 20 Outside air bag apparatus 22 Door mirror cover 22D Door part 22E Breaking part 22K Wall part 22L Subdoor part 23 Mirror 24 Front pillar 26 Mirror mechanism 28 Vehicle door (vehicle body side)
42 Band (regulatory means)
44 Band (regulatory means)

Claims (8)

  Inside the door mirror for checking the rear of the vehicle provided in the vehicle door, it is stored in a folded state on the front side of the vehicle, expands upon supply of gas from the inflator, which is a gas supply source, and expands to the front side of the front pillar. An air bag device for an outside vehicle having an air bag body.   The in-vehicle airbag device according to claim 1, wherein the inflator is disposed in the door mirror. The door mirror is a door mirror cover that is an exterior member that opens on the rear side of the vehicle, a mirror that is disposed in the door mirror cover, and an angle of the mirror that is disposed on the vehicle front side of the mirror in the door mirror cover. A mirror mechanism that enables
3. The vehicle exterior airbag device according to claim 1, wherein the airbag bag body is housed in a vehicle front side of the mirror mechanism in the door mirror cover.   4. A vehicle exterior device according to claim 3, wherein a reaction force member is provided between the airbag bag body and the mirror mechanism to generate a reaction force in the initial stage of deployment of the airbag bag body. Airbag device.   5. The vehicle exterior airbag device according to claim 3, wherein a door portion that can be deployed by an inflation pressure of the airbag bag body is provided at a vehicle front portion of the door mirror cover. The door portion is formed integrally with the door mirror cover,
6. The vehicle exterior airbag device according to claim 5, wherein a scheduled break portion is provided around the door portion and is broken by an inflation pressure of the airbag bag body.   The outside airbag device according to claim 5 or 6, wherein the door mirror cover is provided with a restricting means for restricting a deployment amount of the door portion.   The wall portion in the vehicle width direction of the door mirror cover is configured to be deployable by the inflation pressure of the airbag bag body, and a part of the airbag bag body is inflated between the door mirror and the vehicle body side portion. The vehicular airbag device according to any one of claims 3 to 7, wherein an auxiliary door portion is provided.

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