JP2016020148A - Side air bag device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a side air bag device which enables an air bag to preferably expand without scattering a cushion pad.SOLUTION: A side air bag device S provided between a vehicle body 2 and a rear seat 1 includes: a base member 20 which stores an air bag 10 and an inflator 11; a pad member 50 placed at a vehicle body front side position of the base member 20; a surface cover material 60 which covers the base member 20 and the pad member 50 from the vehicle body front side; and webbing 70 which guides an expansion direction of the air bag 10. One end part 71 of the webbing 70 is sewed to a surface cover cleavage part 61 of a surface cover material 60, and the webbing 70 extends continuing from the one end part 71 so as to cover the pad member 50. The other end part 72 of the webbing 70 is locked by a webbing lock part 27 provided at the base member 20 and the webbing 70 passes through a space between the pad member 50 and the air bag 10.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a side airbag device for alleviating an impact applied from the side of a vehicle body, and more particularly to a side airbag device disposed between a vehicle body and a rear seat.

  Conventionally, as a side airbag device disposed between a vehicle body door and a rear seat in the vehicle body width direction, an inflator for injecting gas into the airbag, a storage case for storing the airbag and the inflator, and a storage case A resin base cover that covers from the front side of the vehicle body is known (for example, see Patent Documents 1 and 2).

In the side airbag device described in Patent Document 1, when an airbag stored in a storage case is inflated with an inflator, the airbag breaks down and expands the thin portion of the base cover on the front side of the vehicle body. It has a configuration.
More specifically, an impact sensor (not shown) senses when an impact of a predetermined value or more is applied from the side of the vehicle body, power for ignition is supplied to the inflator, and the airbag is inflated and deployed on the side of the seated person. become.

Moreover, in the airbag apparatus for side collision described in patent document 2, the airbag module in which the airbag and the inflator were stored is provided in the side part of a rear seat, and a cushion pad is mounted in the front surface of an airbag module. It is made up of covered with a skin cover.
At this time, a webbing is attached to a portion corresponding to the vehicle outer side on the back surface of the skin cover so that the bulging and deploying direction of the airbag is concentrated on the tearing portion provided on the skin cover.
With the above configuration, the airbag is inflated and deployed toward the cleaving portion of the skin cover on the front side of the vehicle body.

JP 2006-88850 A JP 11-91487 A

By the way, in the side airbag apparatus like patent document 2, since the cushion pad is mounted in the front surface of an airbag module, when an airbag expand | swells and expands, a cushion pad scatters to the vehicle body front side. There is a fear that the cushion pad may interfere with the airbag inflating and deploying direction.
Therefore, there has been a demand for a side airbag device that can suitably deploy the airbag to the front side of the vehicle body without scattering the cushion pad on the front surface of the airbag module when the airbag is inflated and deployed.
Further, in the side airbag device arranged in the narrow space between the vehicle body and the rear seat as described above, the side airbag device is saved in space and the efficiency of assembling each component is improved. It was hoped that

The present invention has been made in view of the above problems, and an object of the present invention is to provide a side airbag device that can suitably inflate and deploy an airbag without scattering a cushion pad. There is.
Another object of the present invention is to provide a side airbag device that is disposed in a space between a vehicle body and a rear seat and saves space and improves the efficiency of assembly work.

  According to the side airbag device of the present invention, the above-described problem is a side airbag device provided between a vehicle body and a rear seat, in which an inflatable airbag and gas are supplied into the airbag A base member having a base storage part for storing the airbag and the inflator in a folded state, and a pad placed at least on the vehicle body front side of the base storage part among the base members A member, a skin material that covers the base member and the pad member from the front side of the vehicle body, one end side is attached to the skin material, extends continuously from the one end side so as to cover the pad member, and the other end side is the A webbing that is locked to a webbing latching portion provided on the base member and guides the inflation direction of the airbag, and the webbing includes the pad member and the airbag. It passes between the is solved by.

  As described above, one end side is attached to the skin material, extends so as to cover the pad member continuously from the one end side, and the other end side is locked to the baffle locking portion provided on the base member. A baffle for guiding the bulging direction is provided, and the buffing passes between the pad member and the airbag, so that the buffing guides the bulging and deploying direction of the airbag while protecting the pad member. Can do. As a result, scattering of the pad member can be suppressed, and the airbag can be suitably inflated and deployed.

At this time, the baffle is attached at one end to a skin cleaving portion provided in the skin material, and guides the bulging direction of the airbag to the skin cleaving portion side. It is good to arrange in the position which overlaps with the above-mentioned air bag.
As described above, the baffle guides the airbag's bulging direction toward the skin tearing portion, and the skin tearing portion is disposed at a position overlapping the airbag in the vehicle body width direction. By arranging the portions, the airbag can be suitably inflated toward the front in front of the vehicle body.

At this time, the pad member is formed with a pad opening through which the blanket can be inserted from the skin material side toward the base member side, and the pad opening and the blanket locking portion are It is preferable that the airbags are positioned on opposite sides of the vehicle body width direction.
With the above-described configuration, one end side is attached to the skin cleaving portion, and the other end side is locked to the baffle locking portion, so that the total length of the buffling covering the pad member can be made relatively short and can be arranged compactly.
Specifically, when trying to dispose the baffle between the pad member and the airbag, for example, the pad opening and the baffle locking portion are the same in the vehicle body width direction with respect to the airbag. Compared with the case where it is provided on the side, the area over which the padding covers the pad member does not increase, and the method of extending the padding does not have to be complicated.

At this time, it is preferable that the baffle locking portion is disposed at a position closer to the rear seat than the airbag in the vehicle body width direction.
With the above-described configuration, the airbag can be stably inflated to the front side of the vehicle body by the baffle, and the airbag deployment impact to the rear seat side where the occupant is seated can be suppressed.
As a reason, in the vehicle body width direction of the base storage portion for storing the airbag, the vehicle outer side is supported by a highly rigid vehicle body door, while the vehicle inner side is supported by a highly elastic rear seat. As a result, the airbag inflating and expanding direction tends to be drawn toward the rear seat side, which is generally highly elastic in the vehicle body width direction.
Therefore, if a baffle locking portion is provided at a position on the rear seat side and the rear seat side is preferentially guided by the baffle, the inflation and deployment direction of the airbag is stabilized.

At this time, the base storage portion includes a rear wall portion disposed on the vehicle body rear side of the airbag and the inflator, and a first extending continuously from the both end portions of the rear wall portion in the vehicle body width direction to the vehicle body front side. A side wall part and a second side wall part, wherein the baffle locking part is provided on the first side wall part, and the inflator is provided with an assembly part for assembling the inflator to the base storage part. The assembled part is preferably assembled to a wall part different from the first side wall part.
As described above, the baffle locking portion is provided on the first side wall portion in the base storage portion, and the assembly portion for assembling the inflator is assembled on a wall portion different from the first side wall portion, Interference with each other can be suppressed, and the assembly work of the bundling and the inflator becomes efficient.

At this time, the base member is provided with a base outer wall portion and a base inner wall portion that continuously extend from both ends in the vehicle body width direction to the vehicle body rear side, and the width of the base outer wall portion in the vehicle body longitudinal direction is Narrower than the width of the base inner wall.
With the above configuration, since the width of the base outer wall portion in the longitudinal direction of the vehicle body is narrower than the width of the base inner wall portion, the assembly work of the base outer wall portion peripheral portion in the base member is relatively easy.

At this time, a retainer member that covers the base storage portion and the baffle locking portion from the rear side of the vehicle body is provided, and the baffle is attached to a portion of the retainer member that holds the baffle locking portion. It is preferable that a reinforcing portion is formed on the surface opposite to the side to be provided.
With the above configuration, since the support rigidity of the bundling is improved, even if a relatively strong force is applied to the bundling when the airbag is inflated and deployed, the airbag can be stably guided without detaching the bundling. .

At this time, one end side of each of the skin materials is connected at the position of the skin cleavage portion, and an outer skin material disposed on the vehicle body side with respect to the skin cleavage portion, and an inner skin disposed on the rear seat side. The base member is provided on the vehicle body side in the vehicle body width direction, and is provided on the rear seat side in the vehicle body width direction, and a locking claw for locking the other end portion of the outer skin material. And a grained groove for graining the other end of the inner skin material is formed, and one end side of the blanket is preferably attached to the inner skin material in the skin material.
As described above, because the inner skin material side of the skin material is grained into the wood groove and the outer skin material side is locked by the locking claws, the inner skin material has a relatively higher support rigidity than the outer skin material. Lower. Therefore, by attaching a power cloth to the inner skin material, the inner skin material can be reinforced, and the support rigidity of the entire skin material is improved.

  According to the first aspect of the present invention, the webbing can guide the bulging direction of the airbag while protecting the pad member. As a result, scattering of the pad member can be suppressed, and the airbag can be suitably inflated and deployed.

According to the second aspect of the present invention, the airbag can be suitably inflated toward the front face on the front side of the vehicle body by the arrangement of the guide of the force cloth and the skin cleaving portion.
According to the invention of claim 3, one end side is attached to the skin cleaving portion, the other end side is locked to the baffle locking portion of the base member, and the total length of the buffling covering the pad member can be made relatively short, Can be arranged compactly.
According to the invention of claim 4, the air bag can be more stably inflated and deployed to the front side of the vehicle body by the force cloth, and the airbag deployment impact to the rear seat side where the occupant is seated can be suppressed.

According to the invention of claim 5, it is possible to prevent the baffle locking part and the inflator to-be-assembled part from interfering with each other, and the work of assembling the bundling and the inflator is made efficient.
According to the invention of claim 6, it is possible to save the space in the longitudinal direction of the vehicle body of the side airbag device.
And since the width | variety of the vehicle body front-back direction of a base outer wall part is narrower than the width | variety of a base inner wall part, the assembly | attachment operation | work of a base outer wall part periphery part in a base member becomes comparatively easy. And since the 2nd side wall part in which an inflator is assembled | attached is arrange | positioned at the base outer wall part side, the assembly | attachment operation | work of an inflator becomes efficient.
According to the seventh aspect of the present invention, since the support rigidity of the webbing is improved, even if a relatively strong force is applied to the webbing when the airbag is inflated and deployed, the webbing can be removed without removing the webbing. Can guide stably.

  According to invention of Claim 8, an inner skin material can be reinforced by attaching a power cloth to an inner skin material among skin materials, and the support rigidity of the whole skin material improves.

It is explanatory drawing which shows arrangement | positioning of the side airbag apparatus of this embodiment. It is a perspective view when the base member of a side airbag apparatus is seen from the front side. It is a perspective view when a base member is seen from the back side. It is a disassembled perspective view explaining the assembly structure of a base member and a retainer member. It is a disassembled perspective view explaining the assembly | attachment structure of the assembly | attachment axis | shaft and assembly member of an inflator. It is AA sectional drawing of FIG. 1, Comprising: It is a figure which shows the state in which the airbag was stored. It is AA sectional drawing of FIG. 1, Comprising: It is a figure which shows the state which the airbag expanded. It is AA sectional drawing of FIG. 1 which shows 2nd Example, Comprising: It is a figure which shows the state in which the airbag was stored.

Hereinafter, a side airbag device according to an embodiment of the present invention will be described with reference to FIGS.
The present embodiment is a side airbag device provided between a vehicle body and a rear seat, and includes a base member that stores an airbag and an inflator, and a pad member that is placed at a position on the vehicle body front side of the base member. , A cover material covering the base member and the pad member from the front side of the vehicle body, and a force cloth for guiding the direction of inflation of the airbag, the force cloth being sewn at one end to the skin cleavage portion of the skin material, The other end of the pad member extends to cover the pad member, and the other end is locked to the baffle locking portion provided on the base member, and passes between the pad member and the airbag. The present invention relates to an invention of a side airbag device.

The side airbag device S of the present embodiment is a device for alleviating an impact applied to a seated person from the side of the vehicle body, and as shown in FIG. 1, serves as a backrest portion of the rear seat 1 in the vehicle body width direction. It is disposed between the seat back 1 a and the vehicle body door 2 a of the vehicle body 2.
One side airbag device S is disposed on each of the left and right outer sides of the rear seat 1 in the vehicle body width direction.

As shown in FIG. 2, the side airbag device S stores an inflatable airbag 10, an inflator 11 that supplies gas into the airbag 10, and a folded airbag 10 and inflator 11. As shown in FIG. 3, the retainer member 30 that holds the airbag 10 and the inflator 11 stored in the base member 20 from the rear side of the vehicle body and the inflator 11 are connected to the ignition power as shown in FIG. And a harness 40 for supplying.
Further, as shown in FIG. 6, the side airbag device S includes a pad member 50 placed at a position on the vehicle body front side of the base member 20, and a skin material that covers the base member 20 and the pad member 50 from the vehicle body front side. 60, and one end portion is sewn to the skin material 60, the other end portion is locked to the baffle locking portion 27 of the base member 20, and a baffle 70 that guides the bulging direction of the airbag 10 is provided. ing.

When an impact is applied from the side of the vehicle body, the airbag 10 is formed of a bag-like member that expands and expands in a balloon shape toward the front side of the vehicle body from the folded state shown in FIG. 6 as shown in FIG. .
More specifically, the airbag 10 is inflated by being connected to the airbag 10 and supplying gas from the inflator 11 serving as a gas generation source toward the inside of the airbag 10.
As shown in FIG. 2, the inflator 11 is composed of a long and substantially cylindrical gas generator, and is arranged to be long in the vertical direction.
The inflator 11 protrudes from the outer surface of the vehicle body toward the front side of the vehicle body and is directly connected to the inside of the airbag 10. The inflator 11 is formed at the upper end portion and is connected to the harness 40 as shown in FIG. A connecting portion 12 and an assembly shaft portion 13 shown in FIG. 4 that protrudes to the side of the vehicle body from the outer surface and is assembled to the base member 20 and the retainer member 30 are provided.

In the above configuration, when an impact is applied from the side of the vehicle body, ignition power is supplied to the inflator 11 via the harness 40 from a vehicle battery (not shown) disposed on the underside of the seated person on the vehicle body. Will bulge and expand on the side of the seated person.
The airbag 10 and the inflator 11 are stored in a base storage unit 24 described later provided in the base member 20.

The base member 20 is made of a resin frame member that serves as a substrate of the side airbag device S, and stores the airbag 10 and the inflator 11 as shown in FIG.
The base member 20 has a substantially inverted L shape when viewed from the side of the vehicle body, and is disposed between the seat back 1a and the vehicle body door 2a in the vehicle body width direction, and the upper end portion and the lower end portion thereof are detachable from the vehicle body member. Is attached.
As shown in FIG. 2 or FIG. 3, the base member 20 includes a base main body 21 disposed between the rear seat 1 and the vehicle body 2, and the vehicle body continuously from both ends of the base main body 21 in the vehicle width direction. This is mainly composed of a base outer wall portion 22 and a base inner wall portion 23 extending rearward.

The base main body portion 21 is composed of a substantially inverted L-shaped plate-like member, and is integrally formed as a constituent element slightly closer to the vehicle body outer side than the substantially central portion in the vehicle body width direction, and is recessed toward the vehicle body rear side. 24.
The base outer wall portion 22 is formed of a substantially rectangular plate-like member, and is disposed at a portion facing the vehicle body door 2a of the vehicle body 2. The base outer wall portion 22 has an extended end portion at a predetermined interval in the vertical direction. A plurality of locking claws 22a for locking one end of the skin material 60 are integrally formed.
Similarly, the base inner wall portion 23 is formed of a substantially rectangular plate-like member, and is disposed at a portion facing the seat back 1a of the rear seat 1. The base inner wall portion 23 has an extending end portion in the vertical direction. A grained groove 23a that extends in a long shape and that graines the other end of the skin material 60 is integrally formed.
The width of the base outer wall portion 22 in the longitudinal direction of the vehicle body is formed to be narrower than the width of the base inner wall portion 23.

As shown in FIG. 2 or FIG. 3, the base storage unit 24 is formed of a vertically long box having an opening on the front side of the vehicle body, and includes a substantially convex inner space. The inflator 11 is detachably stored in the bottom portion in the internal space of the base storage unit 24.
The base storage portion 24 extends from the rear wall portion 24a disposed on the vehicle body rear side of the airbag 10 and the inflator 11 to the vehicle body front side continuously from both ends in the vehicle width direction of the rear wall portion 24a. An outer wall portion 24b disposed on the vehicle outer side in the direction and an inner wall portion 24c disposed on the vehicle inner side.
In addition, an opening portion provided so that the upper end portion of the inflator 11 is exposed is formed in the upper wall portion corresponding to the upper end of the base storage portion 24.

As shown in FIG. 3, the outer wall portion 24 b is provided with a cutout portion 25 that can support a part of the harness 40 at a portion facing the harness connection portion 12 of the inflator 11.
As shown in FIG. 4, the inner wall portion 24 c is formed so as to protrude two at a predetermined interval in the vertical direction, and the force cloth locking portion 27 that can lock the other end portion of the force cloth 70. And a base hole 28 formed between the two baffle locking portions 27 and inserted through the assembly shaft portion 13 of the inflator 11, and a base hole portion. 28, a slit portion 28a that is continuously cut from the vehicle body 28 and through which the assembly shaft portion 13 can be inserted is provided.
In addition, the assembly | attachment axial part 13 is corresponded to the to-be-attached part of an inflator in a claim.

The retainer member 30 is made of a metal holding member that holds the airbag 10 and the inflator 11 from the rear side of the vehicle body, and is attached to the base storage portion 24 from the rear side of the vehicle body as shown in FIG.
The retainer member 30 is substantially U-shaped and extends continuously from the rear wall portion 30a disposed on the vehicle body rear side of the base storage portion 24 and both ends of the rear wall portion 30a in the vehicle body width direction to the vehicle body front side. And an outer wall portion 30b disposed on the outer side of the vehicle and an inner wall portion 30c disposed on the inner side of the vehicle.
The outer wall portion 30b and the inner wall portion 30c are arranged along the outer wall portion 24b and the inner wall portion 24c of the base storage portion 24, respectively.

As shown in FIG. 3, the outer wall 30 b is provided with a notch 31 that is formed at a portion facing the notch 25 of the base member 20 and can support a part of the harness 40.
As shown in FIG. 4, the inner wall portion 30 c is formed so as to protrude two at a predetermined interval in the vertical direction, and the force that holds the force cloth locking portion 27 to which the force cloth 70 is locked. A retainer hole 33 formed between the cloth holding portion 32 and the two force cloth holding portions 32, which are formed at a predetermined interval in the vertical direction and can be inserted through the assembly shaft portion 13 of the inflator 11; A slit 33a that is continuously cut out from the retainer hole 33 to the front of the vehicle body and through which the assembly shaft 13 can be inserted, and is formed so as to be recessed toward the inflator 11 at the peripheral portion of the retainer hole 33. The fitting recessed part 34 which can be fitted is provided.

As shown in FIG. 4, the force cloth holding portion 32 has a substantially L shape, and is formed by bending a part of the inner wall portion 30 c toward the vehicle interior side.
The bedding holding portion 32 is formed with a bead corresponding to the reinforcing portion on the surface opposite to the side to which the bedding 70 is attached. Therefore, the support rigidity of the bundling holding part 32 is improved.
In addition to the bead shape, a stepped shape or the like may be employed as the reinforcing portion.
The retainer hole 33 and the base hole 28 are arranged so as to communicate with each other in a state where the retainer member 30 and the base storage part 24 are assembled.
Specifically, the retainer member 30 and the base storage portion 24 are assembled by fitting the fitting recess 34 of the retainer member 30 into the base hole 28.

In the above configuration, as shown in FIG. 5, the assembly shaft portion 13 of the inflator 11 is inserted through the base hole portion 28 and the retainer hole portion 33, and the insertion end portion is assembled to the assembly member 35 corresponding to the assembly nut. The inflator 11, the base member 20, and the retainer member 30 are fixed.
And if the assembly member 35 is assembled | attached to the assembly | attachment axial part 13, the assembly member 35 will be fitted and accommodated in the fitting recessed part 34 of the retainer member 30, and a compact arrangement | positioning will be attained.

In the above configuration, as shown in FIG. 4, the base storage portion 24 is formed with the slit portion 28 a, and therefore, when the inflator 11 is stored inside the base storage portion 24, the assembly shaft portion 13 of the inflator 11 is mounted. It is possible to insert a part of the inflator 11 while rotating the inflator 11 partially through the slit portion 28a while inclining obliquely.
As a result, interference between the assembly shaft portion 13 and the base storage portion 24 can be suppressed, and the storage operation of the inflator 11 is facilitated.

  In the above configuration, as shown in FIG. 5, since the retainer member 30 is formed with the slit portion 33 a, when the retainer member 30 is mounted on the back surface of the base storage portion 24, the base storage portion of the inflator 11 is stored. The assembly shaft portion 13 exposed from the base hole portion 28 of the portion 24 and the retainer member 30 can be prevented from interfering with each other, and the attaching operation of the retainer member 30 is facilitated.

The harness 40 is a wire harness that supplies electric power for ignition to the inflator 11, and includes a plurality of electric wires combined with a corrugated tube and a coupler attached to the end.
As shown in FIG. 3, the harness 40 is a vehicle battery in which an upper end portion 41 is connected to a harness connecting portion 12 at an upper end portion of the inflator 11 and a lower end portion 42 is disposed on the lower side of a seated person on the vehicle body. It is connected and extends so as to be long in the vertical direction.

As shown in FIG. 3, the harness 40 extends from the upper end portion 41 connected to the harness connection portion 12 of the inflator 11 to the outside in the vehicle body width direction, and the notch portion 25 of the base storage portion 24 and the retainer member 30. An upper end portion is attached to and supported by the notch 31.
At this time, the corrugated tube is wound around the outer surface of the harness 40 to form a concavo-convex shape, and the harness 40 and the notches 25 and 31 are hooked together to position and support the harness 40. Can be made.

As shown in FIG. 6, the pad member 50 is made of a cushion material placed between the base member 20 and the skin material 60, and is placed over the entire front surface of the base member 20 in the vehicle body. The pad member 50 and the base member 20 are connected to each other by being fixed to a pad mounting portion (not shown) provided at a predetermined position of 20.
More specifically, the pad member 50 is formed with a pad opening 51 penetrating in the longitudinal direction of the vehicle body at a portion facing the base storage portion 24, more specifically, at a portion facing the outer wall portion 24 b of the base storage portion 24. Has been.

The pad member 50 is integrally provided with an outer pad member 50 a disposed on the vehicle outer side than the pad opening 51 and an inner pad member 50 b disposed on the vehicle inner side than the pad opening 51.
The pad opening 51 is an opening portion that is long in the vertical direction, and a webbing 70 is inserted from the skin material 60 side toward the base member 20 side.
The pad opening 51 and the baffle locking portion 27 are located on the opposite sides of the airbag 10 in the vehicle body width direction.

In the above configuration, when the airbag 10 is inflated and deployed as shown in FIG. 7, the pad member 50 is divided into an outer pad member 50a and an inner pad member 50b with the pad opening 51 as a branch point in the vehicle body width direction. Is done.
At this time, since the bulging direction of the airbag 10 is guided by the webbing 70, the airbag 10 can be suitably deployed without causing a part of the pad member 50 in front of the vehicle body of the base storage portion 24 to scatter. Can do.
More specifically, after the airbag 10 is inflated and deployed, the outer pad member 50a is provided without substantially moving from a predetermined position, and a part of the inner pad member 50b is deployed to the front side of the vehicle body together with the force cloth 70. Will be.

As shown in FIG. 6, the skin material 60 is formed of a cover member that covers the base member 20 and the pad member 50 from the front side of the vehicle body, and is a substantially central portion in the vehicle body width direction. In the corresponding position, a skin cleaving portion 61 is formed, which is a portion that is cleaved when the airbag 10 is inflated and deployed.
One end of the skin material 60 is connected at the position of the skin cleaving portion 61, an outer skin material 62 disposed on the vehicle outer side with respect to the skin cleaving portion 61, an inner skin material 63 disposed on the vehicle inner side, Consists mainly of.

The other end 62a on the outer side of the outer skin 62 is locked to the locking claw 22a of the base outer wall 22 in the vertical direction, and the other end 63a on the inner side of the inner skin 63 is connected to the base inner wall 23. Are grained in the graining groove 23a.
Specifically, the other end portion 62 a of the outer skin material 62 is formed with a locking hole for locking with the locking claw 22 a in the vertical direction, and the other end portion 63 a of the inner skin material 63 is formed on the other end portion 63 a. Resin-made trim cords are sewn into the wood grain grooves 23a.

In the above configuration, when the airbag 10 is inflated and deployed as shown in FIG. 7, the skin material 60 is deployed by being divided into an outer skin material 62 and an inner skin material 63 with the skin cleaving portion 61 as a branch point.
The skin cleaving portion 61 is disposed at a position overlapping the airbag 10 in the vehicle body width direction.

The force cloth 70 is made of a cloth member that guides the inflating and deploying direction of the airbag 10 to the front side of the vehicle body.
As shown in FIG. 6, the force cloth 70 has one end portion 71 attached to the skin cleaving portion 61 of the skin material 60, and extends continuously from the one end portion 71 so as to cover the pad member 50. The other end 72 is locked to the cloth locking portion 27.

Specifically, the webbing 70 extends from the one end 71 sewn to the skin cleaving portion 61 on the inner skin 63 to the vehicle outer side so as to follow the front surface of the inner pad member 50b. It has reached the part facing the part 51.
The baffle 70 passes through the pad opening 51 and continuously extends along the vehicle outer surface and the back surface of the inner pad member 50b, and is provided at a predetermined position of the base storage portion 24. It reaches the insertion hole.
At this time, the webbing 70 extends so as to pass between the pad member 50 and the airbag 10 in the longitudinal direction of the vehicle body.

The webbing 70 passes through the webbing insertion hole provided in the base storage portion 24, continuously extends to the webbing locking unit 27, and is locked to the webbing locking unit 27.
At this time, a resin trim cord for locking to the force cloth locking portion 27 is sewn to the other end portion 72 of the force cloth 70.

In the above configuration, when the airbag 10 is inflated and deployed as shown in FIG. 7, the force cloth 70 guides the inflating direction of the airbag 10 toward the skin cleaving portion 61 side of the skin material 60.
Further, the one end 71 side of the force cloth 70 is deployed on the front side in the vehicle longitudinal direction together with the inner pad member 50b and the inner skin material 63, and is deployed on the vehicle inner side in the vehicle width direction.

<Second Embodiment of Side Airbag Device>
Next, a second embodiment of the side airbag device S will be described with reference to FIG.
In addition, in the following description, the description which overlaps with the side airbag apparatus S mentioned above is abbreviate | omitted.
In the side airbag device S according to the second embodiment, as shown in FIG. 8, in the base storage portion 124 of the base member 120, the assembly shaft portion 13 of the inflator 11 is assembled on the outer wall portion 124b side. Is different.

In the base storage portion 124, the assembly shaft portion 13 of the inflator 11 is assembled to the outer wall portion 124b side, and the other end portion 72 of the baffle 70 is engaged with a baffle locking portion 127 disposed on the inner wall portion 124c side. It has been stopped.
Further, in the base storage portion 124, the base hole portion 128 provided in the outer wall portion 124b and the baffle locking portion 127 provided in the inner wall portion 124c are formed at positions that do not overlap in the vertical direction. .
A retainer member 130 for holding the airbag 10 and the inflator 11 from the rear side of the vehicle body is mounted on the back surface of the base storage portion 124.

With the above configuration, in the base storage portion 124, the base hole portion 128 into which the assembly shaft portion 13 of the inflator 11 is assembled and the baffle locking portion 127 are formed in different wall portions, so that interference can be suppressed. Can be arranged compactly.
In addition, since the assembly shaft portion 13 of the inflator 11 is disposed at a position outside the vehicle with respect to the inflator 11 on the back surface of the base member 120 and becomes a position where it is relatively easy to secure a space, space saving and power are reduced. The efficiency of the work of assembling the cloth can be achieved.

<Other embodiments>
In the said embodiment, in the side airbag apparatus S, as shown in FIG. 3 or FIG. 4, in the base storage part 24 of the base member 20, the harness 40 is arrange | positioned at the outer side wall part 24b side, and the other end of the force cloth 70 The part 72 and the assembly shaft part 13 of the inflator 11 are respectively arranged on the inner wall part 24c side, but the respective arrangements can be appropriately changed.
For example, in the base storage portion 24, the harness 40 is disposed on the rear wall portion 24a side, the assembly shaft portion 13 of the inflator 11 is disposed on the outer wall portion 24b side, and the other end portion 72 of the blanket 70 is the inner wall portion. It may be configured to be arranged on the 24c side. If comprised in this way, interference can mutually be suppressed and it can arrange | position compactly.

In the above embodiment, as shown in FIG. 6, the skin cleaving portion 61 is disposed at a position overlapping the airbag 10 in the vehicle body width direction, but is not limited to this, for example, the skin cleaving portion 61 and The webbing engagement portion 27 may be disposed so as to be opposite to each other in the vehicle body width direction with respect to the airbag 10.
By comprising in this way, the one end side is attached to a skin cleaving part, and the other end side is latched by the baffle latching | locking part of a base member, and the full length of the blanket which covers the pad member can be made comparatively short.
Specifically, as shown in FIG. 6, compared to the case where the skin cleaving portion and the baffle locking portion are arranged on the same side in the vehicle body width direction with respect to the airbag, However, since the area covering the pad member is small, the total length of the bundling can be shortened.

In the above embodiment, as shown in FIG. 6, the pad opening 51 is disposed on the vehicle exterior side with respect to the airbag 10, while the force cloth locking portion 27 is disposed on the vehicle interior side with respect to the airbag 10. However, they may be arranged at positions opposite to each other with respect to the airbag 10.
Even if comprised in this way, the full length of the webbing 70 which passes between the airbag 10 and the pad member 50 can be made comparatively short, and can be extended compactly.

In the above embodiment, the webbing 70 passes between the airbag 10 and the pad member 50 as a guide member for guiding the inflation direction of the airbag 10 and is disposed at a position as shown in FIG. However, it can be changed as appropriate.
That is, the baffle 70 has one end 71 attached to a predetermined position of the skin material 60, the other end 72 attached to a predetermined position of the base member 20, and extends so as to cover a part of the pad member 50. What is necessary is just to pass between the bag 10 and the pad member 50.

In the above-described embodiment, the pad member 50 is formed as an integral body, but is not limited thereto, and for example, the outer pad member 50a and the inner pad member 50b may be formed as separate objects.
Moreover, the pad member 50 should just be mounted in the vehicle body front side position of the base storage part 24 among the base members 20 at least. As described above, the vehicle body front surface of the side airbag device S is not partially recessed as long as it is placed at least in the front position of the base storage portion 24, and a substantially flush outer surface is formed. Can do.

  In the above-described embodiment, the side airbag device S used for the rear seat of the automobile has been described as a specific example. It may be used for a vehicle seat such as a ship.

In the present embodiment, the side airbag device S according to the present invention has been mainly described.
However, said embodiment is only an example for making an understanding of this invention easy, and does not limit this invention. The present invention can be changed and improved without departing from the gist thereof, and the present invention includes the equivalents thereof.
In particular, the arrangement and configuration of the base member 20, the pad member 50, the skin material 60, and the webbing 70 that configure the side airbag device S are described in the above embodiment only as an example, and the present invention. It is not intended to limit.

S Side airbag device 1 Rear seat 1a Seat back 2 Car body 2a Car body door 10 Air bag 11 Inflator 12 Harness connecting part 13 Assembly shaft part 20, 120 Base member 21 Base main body part 22 Base outer wall part 22a Locking claw 23 Base inner wall part 23a Grain groove 24, 124 Base storage part 24a Rear wall part 24b, 124b Outer wall part 24c, 124c Inner wall part 25 Notch part 27, 127 Baffle locking part 28, 128 Base hole part 28a Slit part 30, 130 Retainer Member 30a Rear wall portion 30b Outer wall portion 30c Inner wall portion 31 Notch portion 32 Baffle holding portion 33 Retainer hole portion 33a Slit portion 34 Fitting recess 35 Assembly member 40 Harness 41 Upper end portion 42 Lower end portion 50 Pad member 50a Outer pad member 50b Inner pad member 51 De opening 60 skin material 61 skin cleavage 62 outer skin material 62a and the other end portion 63 inner skin material 63a and the other end portion 70 forces the fabric 71 one end 72 other end

Claims (8)

A side airbag device provided between a vehicle body and a rear seat,
An inflatable airbag,
An inflator for supplying gas into the airbag;
A base member having a base storage portion for storing the airbag and the inflator in a folded state;
Among the base members, at least a pad member placed at a position on the vehicle body front side of the base storage portion;
A skin material covering the base member and the pad member from the front side of the vehicle body;
One end side is attached to the skin material, extends so as to cover the pad member continuously from the one end side, and the other end side is locked to a force cloth locking portion provided on the base member, A baffle for guiding the bulging direction,
The side airbag device characterized in that the baffle passes between the pad member and the airbag. The baffle is attached at one end to a skin cleaving portion provided in the skin material, and guides the bulging direction of the airbag to the skin cleaving portion side,
The side airbag device according to claim 1, wherein the skin cleaving portion is disposed at a position overlapping the airbag in the vehicle body width direction. The pad member is formed with a pad opening through which the webbing can be inserted from the skin material side toward the base member side,
3. The side airbag device according to claim 1, wherein the pad opening portion and the baffle locking portion are positioned on opposite sides of the airbag in the vehicle width direction. .   4. The side airbag device according to claim 1, wherein the baffle locking portion is disposed at a position closer to the rear seat than the airbag in the vehicle body width direction. 5. The base storage portion includes a rear wall portion arranged on the vehicle body rear side of the airbag and the inflator, a first side wall portion extending continuously from the both end portions of the rear wall portion in the vehicle body width direction to the vehicle body front side, and A second side wall,
The force cloth locking portion is provided on the first side wall portion,
The inflator is provided with an assembly portion for assembling the inflator to the base storage portion,
The side airbag device according to any one of claims 1 to 4, wherein the assembly portion is assembled to a wall portion different from the first side wall portion. The base member is provided with a base outer wall portion and a base inner wall portion that continuously extend from both ends in the vehicle body width direction to the vehicle body rear side,
The side airbag device according to claim 5, wherein a width of the base outer wall portion in the longitudinal direction of the vehicle body is narrower than a width of the base inner wall portion. A retainer member that covers the base storage portion and the baffle locking portion from the rear side of the vehicle body,
7. A retainer is formed on a surface of the retainer member that holds the baffle locking portion on a surface opposite to a side to which the baffle is attached. The side airbag device according to any one of the above. The skin material, one end side is respectively connected at the position of the skin cleavage part, the outer skin material arranged on the vehicle body side with respect to the skin cleavage part, the inner skin material arranged on the rear seat side, With
The base member is provided on the vehicle body side in the vehicle body width direction, and is provided on the rear seat side in the vehicle body width direction, with a locking claw for locking the other end portion of the outer skin material, and the inner skin material. A grained groove into which the other end of the grain is grained,
8. The side airbag device according to claim 2, wherein one end side of the force cloth is attached to the inner skin material of the skin material. 9.

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