Side airbag device
A side airbag device capable of preventing interference between a harness and an airbag is provided between a vehicle body and a seat. The side airbag device includes an airbag module an inflatable airbag and an inflator supplying a gas into the airbag, a base member including an airbag storage portion having a concave shape and storing the airbag module and is attached between a vehicle body door and the seat, and a retainer member holding the airbag storage portion from the rear side of the vehicle body. The base member includes a first through hole through which a harness of the inflator is inserted and a flange which is formed in the periphery of the first through hole. The retainer member includes a second through hole through which the harness of the inflator is inserted and which is provided at a position facing the first through hole.
1 . A side airbag device provided between a vehicle body and a seat comprising:
an airbag module that includes an inflatable airbag and an inflator supplying a gas into the airbag;
a base portion that includes an airbag storage portion having a concave shape and storing the airbag module, and is attached between a vehicle body door and the seat; and
a retainer portion that holds the airbag storage portion from the rear side of the vehicle body,
wherein the base portion includes a first-through hole through which a harness of the inflator is inserted, and
wherein the harness is attached by an attachment member on a surface of the base portion different from a surface on which the through hole is formed.
2 . The side airbag device according to claim 1 , wherein a second through hole is formed in a portion of the retainer portion facing the through hole.
3 . The side airbag device according to claim 2 , wherein the attachment member is provided on a surface of the retainer portion different from a surface on which the second through hole is formed.
4 . The side airbag device according to claim 1 , wherein
the retainer portion includes a fastening portion fastened to the vehicle body, and
the attachment member is provided on a surface of the retainer portion different from a surface on which the fastening portion is formed.
5 . The side airbag device according to claim 4 , wherein the retainer portion includes a step portion provided between a surface on which the attachment member is provided and the surface on which the fastening portion is formed.
6 . The side airbag device according to claim 4 , wherein the attachment member is disposed at an inside position of the fastening portion in a vehicle body width direction.
7 . The side airbag device according to claim 1 , wherein the retainer portion includes:
a fastening portion which is fastened to the vehicle body;
a reinforcement wall portion which is provided in a portion facing the fastening portion; and
a reinforcement portion which is provided between the fastening portion and the through hole.
8 . The side airbag device according to claim 7 , wherein the reinforcement wall portion is disposed at a lateral position of the fastening portion in a vehicle body width direction.
9 . The side airbag device according to claim 7 , wherein the reinforcement wall portion is disposed at a position interposing the fastening portion in a vehicle body width direction.
10 . The side airbag device according to claim 7 , wherein
the retainer portion includes a second through hole, and
a reinforcement portion is provided on at least one of a surface of the retainer portion on which the second through hole is formed and a surface on which the attachment member is provided.
11 . A method for manufacturing a side airbag device provided between a vehicle body and a seat, wherein the side airbag device includes an airbag module, a base portion and a retainer portion, the airbag module includes an inflatable airbag and an inflator supplying a gas into the inflatable airbag, the base portion includes an airbag storage portion having a concave shape and a through hole, the method comprising:
attaching the base portion between a vehicle body door and the seat;
storing the airbag module in the airbag storage portion of the base portion so that a harness of the inflator is inserted through the through hole;
attaching the retainer portion to the airbag storage portion so that the retainer portion holds the airbag storage portion from the rear side of the vehicle body; and
attaching the harness by an attachment member on a surface of the base portion different from a surface on which the through hole is formed.
12 . The method according to claim 11 , wherein a second through hole is formed in a portion of the retainer portion facing the through hole.
13 . The method according to claim 12 , wherein the attachment member is provided on a surface of the retainer portion different from a surface on which the second through hole is formed.
14 . The method according to claim 11 , wherein
the retainer portion includes a fastening portion fastened to the vehicle body, and
the attachment member is provided on a surface of the retainer portion different from a surface on which the fastening portion is formed.
15 . The method according to claim 14 , wherein the retainer portion includes a step portion provided between a surface on which the attachment member is provided and the surface on which the fastening portion is formed.
16 . The method according to claim 14 , wherein the attachment member is disposed at an inside position of the fastening portion in a vehicle body width direction.
17 . The method according to claim 11 , wherein the retainer portion includes:
a fastening portion which is fastened to the vehicle body;
a reinforcement wall portion which is provided in a portion facing the fastening portion; and
a reinforcement portion which is provided between the fastening portion and the through hole.
18 . The method according to claim 17 , wherein the reinforcement wall portion is disposed at a lateral position of the fastening portion in a vehicle body width direction.
19 . The method according to claim 17 , wherein the reinforcement wall portion is disposed at a position interposing the fastening portion in a vehicle body width direction.
20 . The method according to claim 17 , wherein
the retainer portion includes a second through hole, and
a reinforcement portion is provided on at least one of a surface of the retainer portion on which the second through hole is formed and a surface on which the attachment member is provided.