JP6495588B2 - Side airbag device - Google Patents

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 the vehicle body door and the rear seat in the vehicle body width direction, an inflator for injecting gas into the airbag, a box-shaped storage case for storing the airbag and the inflator, A resin base cover that covers the storage case from the front side of the vehicle body is known (for example, see Patent Document 1).

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.
Specifically, the inflator and the vehicle battery provided on the vehicle body are connected by a harness, and when an impact of a predetermined value or more is applied from the vehicle body side, the vehicle battery passes through the harness to the inflator. Electric power for ignition is supplied, and the airbag is inflated and deployed on the side of the seated person.
With the above-described configuration, the impact applied to the seated person sitting on the rear seat can be mitigated.

JP 2006-88850 A

By the way, in the side airbag apparatus like patent document 1, since the inflator is stored in the storage case in the vehicle body rear side of a base cover, a harness is comparatively complicated toward the inflator inside a storage case from a vehicle battery. It will extend to.
However, in the side airbag device as described above, no consideration has been given to support the harness on the base cover or the storage case as the component parts.
For this reason, if the harness freely moves due to vibrations received from a seated person, vibrations of the vehicle body, etc., the harness interferes with the airbag when the airbag is inflated and deployed, which may affect the deployment of the airbag. In addition, the harness may be bitten by other components during vehicle operation, and the harness may be deformed.
In particular, in the case of a side airbag device arranged in the space between the vehicle body and the rear seat, it is necessary to devise a device for arranging the harness in a compact manner because it is an operation of mounting the component parts in a narrow space.

This invention is made | formed in view of said subject, and the objective of this invention is providing the side airbag apparatus which can make a harness support a harness suitably.
Another object of the present invention is to provide a side airbag device arranged in a space between a vehicle body and a rear seat and having a harness arranged in a compact manner.

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 portion for storing the airbag and the inflator in a folded state, and a retainer member for holding the airbag and the inflator stored in the base storage portion from the rear side of the vehicle body And a harness having one end connected to the inflator and supplying electric power for ignition to the inflator, the harness extending in a vertical direction while being supported by the base member, and storing the base in the vertical direction This is solved by being sandwiched and supported between the part and the retainer member .

By the said structure, the side airbag apparatus which can be made to support a harness on the base member used as a component suitably can be provided.
Further, since the harness extends in the vertical direction while being supported by the base member, the harness is provided, for example, on the lower side of the seated person in the side airbag device disposed in the space between the vehicle body and the rear seat. A harness for connecting the vehicle battery and the airbag and the inflator arranged on the side of the body part of the seated person can be compactly arranged.

Moreover, since the harness is sandwiched between the base storage portion and the retainer member in the vertical direction, the harness can be suitably supported, and the harness can be freely driven by vibrations received from the seated person, vibrations of the vehicle body, and the like. It can regulate moving around.

At this time, the base storage portion is formed so as to be recessed on the side opposite to the retainer member side, and is provided with an accommodation recess capable of accommodating the harness. The harness includes the accommodation recess and the retainer member. It should be surrounded and supported.
By the said structure, a harness can be supported suitably and it can arrange | position compactly.

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 left and right sides extending continuously from the both end portions of the rear wall portion in the vehicle body width direction to the vehicle body front side. The harness may be surrounded and supported by the side wall and the retainer member.
With the above configuration, since the harness is attached to the side portion of the base storage portion of the base member, it is possible to save space in the longitudinal direction of the vehicle body of the side airbag device.

At this time, the harness is supported by one of the left and right side wall parts, and the inflator is provided with an assembled part for assembling the inflator to the base storage part, and the assembled part Is preferably assembled to a wall portion different from the one side wall portion.
As described above, the harness is attached to one side wall portion in the base storage portion, and the assembly portion for assembling the inflator is assembled to a wall portion different from the one side wall portion, so that they interfere with each other. As a result, the inflator assembly work and the harness installation work become more efficient.

At this time, the harness may be arranged at a position closer to the vehicle body than the inflator in the vehicle body width direction in the base member.
As described above, since the harness is disposed at a position on the vehicle body side where it is relatively easy to secure a space in the base member, it is easier to attach the harness on the vehicle body.

At this time, one end of the harness is connected to a harness connecting portion provided in the inflator, and at least one of the base storage portion and the retainer member has a portion facing the harness connecting portion on the harness connecting portion. It is preferable that a notch portion capable of supporting a part of is formed.
With the above configuration, since a part of the harness is attached to and supported by the notch portion at a position relatively close to the harness connection portion of the inflator, the harness can be stably supported.

At this time, a skin material that covers the base member storing the airbag and the inflator from the front side of the vehicle body is provided, and the base member is provided on one end side in the vehicle body width direction, and one end portion of the skin material And a claw groove provided on the other end side of the base member and forming the other end portion of the skin material, and the harness includes the locking claw in the vertical direction. It is good if it is surrounded and supported by the skin material.
As described above, since the harness is attached to one end side of the base member in the vehicle body width direction, it is easier to attach the harness on the vehicle body than when the harness is attached to the center portion of the base member in the vehicle body width direction. become.
And since a harness is enclosed and supported by the latching claw for latching the one end part of a skin material, and a skin material, it can support a harness stably using an existing component.
As an example of a specific configuration, the harness is supported as a whole by a notch in the vicinity of the harness connecting portion of the inflator and surrounded by an accommodation recess and a retainer member from the one end to the vertical direction. It can be further extended and supported by being surrounded by a locking claw and a skin material located on the vehicle body side in the vehicle width direction in the vertical direction, and the other end side can be connected to the vehicle battery. It can be suitably and compactly supported.

ADVANTAGE OF THE INVENTION According to this invention, the side airbag apparatus which can be made to support a harness on the base member used as a component suitably can be provided.
Further, since the harness extends in the vertical direction while being supported by the base member, the harness is provided, for example, on the lower side of the seated person in the side airbag device disposed in the space between the vehicle body and the rear seat. A harness for connecting the vehicle battery and the airbag and the inflator arranged on the side of the body part of the seated person can be compactly arranged.
Furthermore, the harness can be suitably supported, and the harness can be restricted from freely moving by vibrations received from a seated person, vibrations of the vehicle body, and the like.

According to the present invention, the harness can be suitably supported and can be arranged in a compact manner.

According to the present invention, it is possible to save space in the longitudinal direction of the vehicle body of the side airbag device.
ADVANTAGE OF THE INVENTION According to this invention, it can suppress that a harness and the to-be-assembled part for assembling an inflator mutually interfere, and the assembly operation | work of an inflator and the attachment operation | work of a harness become efficient.

According to the present invention, the work of attaching the harness on the vehicle body is further facilitated.
According to the present invention, the harness can be stably supported.

According to the present invention, compared to the case where the harness is attached to the central portion of the base member in the vehicle body width direction, the attachment work of the harness on the vehicle body is facilitated.
And a harness can be stably supported using an existing component.

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 Embodiment. It is AA sectional drawing of FIG. 1 which shows 3rd Embodiment. It is AA sectional drawing of FIG. 1 which shows 4th Embodiment.

Hereinafter, a side airbag device according to an embodiment of the present invention will be described with reference to FIGS.
This embodiment is a side airbag device provided between a vehicle body and a rear seat, one end of which is connected to the harness connecting portion of the inflator, and the other end connected to a vehicle battery provided on the vehicle body. This harness has an upper end attached to a notch provided near the harness connecting portion of the inflator and extends in a state of being supported by the side wall portion of the base storage portion in the vertical direction. 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 projects from the outer surface of the inflator 11 to the front side of the vehicle body and is directly connected to the inside of the airbag 10. A connecting portion 12 and an assembly shaft portion 13 shown in FIG.

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 is arranged on the vehicle exterior side, extending from the rear wall portion 30a disposed on the vehicle body rear side of the base storage portion 24 to the vehicle body front side continuously from the rear wall portion 30a. The outer side wall part 30b and the inner side wall part 30c arrange | positioned at the vehicle inside are provided.
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 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.

The harness 40 extends in the state supported by the base member 20 and the retainer member 30 in the vertical direction.
Specifically, 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. The upper end portion is attached to and supported by the notch portion 31 of the retainer member 30.
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.

The harness 40 is bent from the hooked upper end portion and extends downward, and is supported so that the center portion in the vertical direction is along the outer wall portion 30 b of the retainer member 30.
The harness 40 has a lower end 42 connected to a vehicle battery provided on the vehicle body and extending downward continuously from the central portion thereof.

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. It is 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.

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.

As shown in FIG. 6, the skin material 60 is a 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, corresponding to a substantially central portion of the base storage portion 24. A skin cleaving portion 61 is formed at a position where the airbag 10 is to be 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 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 one end 71 side of the webbing 70 is deployed to the front side in the vehicle longitudinal direction together with the inner pad member 50 b and the inner skin material 63. Moreover, it will be developed inside the vehicle in the vehicle body 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, the harness 140 is different in the configuration in which the harness 140 is supported by being surrounded by the housing recess 126 formed in the base storage portion 124 and the retainer member 130 in the vertical direction. Yes.

As shown in FIG. 8, the base storage portion 124 is provided in a rear wall portion 124a, an outer wall portion 124b that extends continuously from the rear wall portion 124a to the vehicle body front side, an inner wall portion 124c, and an inner wall portion 124c. And a second inner wall portion 124d that is disposed on the vehicle inner side than the force cloth locking portion 127 and extends rearward of the vehicle body.
The second inner wall portion 124d is formed of a reinforcing rib provided integrally with the base storage portion 124, and forms an accommodation recess 126 having a substantially U-shaped cross section with the inner wall portion 124c.
The housing recess 126 is formed so as to be recessed toward the front side of the vehicle body on the side opposite to the retainer member 130 side, and is formed so that the harness 140 can be housed in the vertical direction.

The retainer member 130 is provided on the rear wall portion 130a, the outer wall portion 130b extending from the rear wall portion 130a to the vehicle body front side, the inner wall portion 130c, and the rear wall portion 130a. A second inner wall portion 130d disposed on the inner side and extending toward the front side of the vehicle body.
The second inner wall portion 130d is disposed on the vehicle inner side than the second inner wall portion 124d of the base member 120, and is held so that the second inner wall portion 124d is sandwiched between the rear wall portion 130a and the inner wall portion 130c. doing.

The harness 140 is supported in a state in which the central portion in the vertical direction is surrounded by the housing recess 126 of the base storage portion 124 and the second inner wall portion 130d of the retainer member 130.
In other words, the central portion in the vertical direction of the harness 140 includes a storage portion formed by the rear wall portion 130a, the inner wall portion 130c, and the second inner wall portion 130d of the retainer member 130, and the base storage portion 124. 2 It can also be said that it is supported in a state surrounded by the inner wall portion 124d.

In the above configuration, the harness 140 and the baffle locking portion 127 are attached to the inner wall portion 124c side of the base storage portion 124, while the assembly shaft portion 13 of the inflator 11 is assembled to the outer wall portion 124b.
And the harness 140 and the bedding locking part 127 are arrange | positioned in a different position in the vehicle body front-back direction.
Therefore, it can suppress that it mutually interferes, and an assembly | attachment operation | work becomes efficient.

  Further, in the above configuration, the baffle locking portion 127 is sandwiched and supported by the inner wall portion 124c and the second inner wall portion 124d in the vehicle body width direction, so that the support rigidity of the baffle locking portion 127 is improved. doing.

<Third Embodiment of Side Airbag Device>
Next, a third embodiment of the side airbag device S will be described with reference to FIG.
In the side airbag device S according to the third embodiment, the harness 240 is sandwiched and supported between the outer wall portion 224b of the base storage portion 224 and the retainer member 230 in the vertical direction. Yes.

As shown in FIG. 8, the base storage part 224 is provided continuously outside the outer wall part 224b, the inner wall part 224c, and the outer wall part 224b, and extends to the rear side of the vehicle body. And.
The second outer wall portion 224d is formed of a reinforcing rib provided integrally with the base storage portion 224, and ensures the thickness of the outer wall portion 224b.

The retainer member 230 includes a rear wall portion 230a, an outer wall portion 230b that extends continuously from the rear wall portion 230a toward the vehicle body front side, an inner wall portion 230c, and a second rear portion that extends continuously from the outer wall portion 230b to the outside of the vehicle. 230 d of wall parts and the 2nd outer side wall part 230e extended from the 2nd rear wall part 230d to the vehicle body front side are provided.
The second rear wall portion 230d and the second outer wall portion 230e extend along the back surface of the base storage portion 224.

  The harness 240 is surrounded at the center in the vertical direction by the outer wall portion 224b and the second outer wall portion 224d of the base storage portion 224, and the second rear wall portion 230d and the second outer wall portion 230e of the retainer member 230. It is supported in the state.

In the above configuration, the harness 240 and the assembly shaft portion 13 of the inflator 11 are attached to the outer wall portion 224b side of the base storage portion 224, while the baffle locking portion 227 is assembled to the inner wall portion 224c. Yes.
And the harness 240 and the assembly | attachment axial part 13 are arrange | positioned in a different position in the vehicle body front-back direction.
Therefore, it can suppress that it mutually interferes, and an assembly | attachment operation | work becomes efficient.

<Fourth Embodiment of Side Airbag Device>
Next, a fourth embodiment of the side airbag device S will be described with reference to FIG.
In the side airbag device S according to the fourth embodiment, the harness 340 is supported by being sandwiched between the engaging claws 322a provided on the base outer wall portion 322 of the base member 320 and the skin material 60 in the vertical direction. The configuration is different.

The harness 340 is supported in the vertical direction in a state where the central portion in the vertical direction is accommodated in an internal space formed by the locking recess provided on the back surface of the locking claw 322 a and the skin material 60.
More specifically, the locking recess provided in the locking claw 322a is formed by cutting away from the vehicle body rear side toward the front side, and the harness 340 is inserted into the vehicle outer end portion of the skin material 60. Possible through holes (not shown) are provided.

In the above configuration, the harness 340 is attached to the vehicle outer end portion of the base member 320, the assembly shaft portion 13 of the inflator 11 is attached to the outer wall portion 324b of the base storage portion 324, and the baffle locking portion 227 is the inner wall surface. It is assembled to the portion 324c.
Therefore, it can suppress that it mutually interferes, and an assembly | attachment operation | work becomes efficient.

<Other embodiments>
In the above-described embodiment, in the side airbag device S, as shown in FIGS. 3 and 4, in the base storage portion 24 of the base member 20, the harness 40 is disposed on the outer wall portion 24 b side, while the inflator 11. The assembling shaft portion 13 and the baffle locking portion 27 are respectively disposed on the inner wall portion 24c side, but the present invention is not limited to this, and as shown in FIGS. It is.
In addition to the above, 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 bundling 70 remains as it is. You may make it the structure arrange | positioned at the inner wall part 24c side.

  In the above embodiment, as shown in FIG. 5, the assembly portion of the inflator 11 is the assembly shaft portion 13, and the assembly member 35 is configured as an assembly nut, but the inflator 11 is not limited to this. The side may be an assembly nut, and the assembly member 35 may be configured as an assembly shaft portion, or other known assembly methods may be employed.

  In the above embodiment, the side airbag device S used for the rear seat of the automobile has been described as a specific example. However, the present invention is not limited to this, and the front seat of the automobile, a vehicle seat such as a train and a bus, an airplane, 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 retainer member 30, and the harness 40 that constitute the side airbag device S described in the above embodiment are merely examples, and do not limit the present invention. Absent.

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, 320 Base member 21 Base main body part 22, 322 Base outer wall part 22a, 322a Locking claw 23 Base inner wall portion 23a Grain groove 24, 124, 224, 324 Base storage portion 24a, 124a Rear wall portion 24b, 124b, 224b, 324b Outer wall portion 24c, 124c, 224c, 324c Inner wall portion 124d Second inner wall portion
224d 2nd outer side wall part 25 Notch part 27, 127, 227, 327 Baffle latching part 28 Base hole part 28a Slit part 29 Base attachment part 30, 130, 230, Retainer member 30a, 130a, 230a Rear wall part 30b , 130b, 230b Outer wall portion 30c, 130c, 230c Inner wall portion 130d Second inner wall portion 230d Second rear wall portion 230e Second outer wall portion 31 Notch portion 32 Force cloth holding portion 33 Retainer hole portion 33a Slit portion 34 Fitting recess 35 Assembly member 40, 140, 240, 340 Harness 41 Upper end portion 42 Lower end portion 50 Pad member 50a Outer pad member 50b Inner pad member 51 Pad opening 60 Outer skin material 61 Outer skin tearing portion 62 Outer outer skin material 62a Other end portion 63 Inner skin material 63a, the other end 70, the cloth 71, the one end 72, the other end 126 housing recess

Claims (9)

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;
A retainer member for holding the airbag and the inflator stored in the base storage part from the rear side of the vehicle body;
A first end connected to the inflator, and a harness for supplying ignition power to the inflator,
The harness extends in the vertical direction while being supported by the base member, and is supported by being sandwiched and supported between the base storage portion and the retainer member in the vertical direction. The base storage part is formed so as to be recessed on the side opposite to the retainer member side, and is provided with an accommodation recess capable of accommodating the harness,
The side airbag device according to claim 1, wherein the harness is supported by being surrounded by the housing recess and the retainer member. The base storage portion includes a rear wall portion disposed on the vehicle body rear side of the airbag and the inflator, and left and right side wall portions that continuously extend from both ends of the rear wall portion in the vehicle body width direction to the vehicle body front side. With
The side airbag device according to claim 1 or 2, wherein the harness is surrounded and supported by the side wall portion and the retainer member. The harness is supported on one of the left and right side wall portions,
The inflator is provided with an assembly portion for assembling the inflator to the base storage portion,
The side airbag device according to claim 3, wherein the assembled portion is assembled to a wall portion different from the one side wall portion.   5. The side airbag device according to claim 1, wherein the harness is disposed at a position closer to the vehicle body than the inflator in the vehicle body width direction of the base member. . One end of the harness is connected to a harness connection provided in the inflator,
The notch part which can support a part of said harness is formed in the part which opposes the said harness connection part among at least one of the said base storage part and the said retainer member. The side airbag apparatus of any one of thru | or 5. A skin material that covers the base member storing the airbag and the inflator from the front side of the vehicle body,
The base member is provided on one end side in the vehicle body width direction, and is provided with a locking claw for locking one end portion of the skin material, and on the other end side of the base member, and the other end portion of the skin material is A grained groove that forms a grain,
The side airbag device according to any one of claims 1 to 6 , wherein the harness is supported by being surrounded by the locking claws and the skin material in a vertical direction. The side airbag device according to any one of claims 1 to 7 , wherein an opening is provided on a rear side of the base member. The base member has a downward projecting portion projecting downward,
The retainer member extends from a part of the retainer member that holds the base storage portion toward the downward protruding portion, and is attached to the downward protruding portion in a state of being superimposed on the downward protruding portion. The side airbag device according to any one of claims 1 to 6, wherein:

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