Airbag apparatus for vehicle
An airbag apparatus for a vehicle includes a position changing portion mounted on a vehicle body and capable of position change, a seat portion mounted on the position changing portion to allow an occupant to sit thereon, a headrest portion mounted on the seat portion to support the occupant's head, a housing portion positioned at the rear of the seat portion, and an airbag portion mounted on the housing portion and deployed to protect the occupant's neck in a vehicle collision.
1. An airbag apparatus for a vehicle, the airbag apparatus comprising:
a position changing portion mounted on a vehicle body and configured to change position;
a seat portion mounted on the position changing portion and configured to allow an occupant to sit thereon;
a headrest portion mounted on the seat portion and configured to support the occupant's head;
a housing portion positioned at a rear of the seat portion; and
an airbag portion mounted on the housing portion and configured to deploy to protect the occupant's neck in a vehicle collision.
2. The airbag apparatus of claim 1 , wherein
the seat portion includes:
a first seat portion configured to support the occupant's hip; and
a second seat portion connected to the first seat portion and configured to support the occupant's back.
3. The airbag apparatus of claim 2 , wherein the headrest portion protrudes from a top of the second seat portion.
4. The airbag apparatus of claim 1 , wherein
the housing portion includes:
a first housing portion positioned at the rear of the seat portion; and
a second housing portion configured to extend upward from the first housing portion.
5. The airbag apparatus of claim 4 , wherein the second housing portion is configured to be adjustable in length.
6. The airbag apparatus of claim 1 , wherein
the airbag portion includes:
a sensor portion mounted on the vehicle body and configured to detect a collision;
an inflator mounted on the housing portion;
a cushion portion configured to be deployed by gas injected from the inflator; and
a control portion configured to receive a detection signal from the sensor portion and control the inflator.
7. The airbag apparatus of claim 6 , wherein
the cushion portion includes:
a first cushion portion connected to the inflator;
a second cushion portion connected to the first cushion portion and deployed between the housing portion and the headrest portion; and
a third cushion portion deployed forward from the second cushion portion to cover both sides of the occupant's head.
8. The airbag apparatus of claim 7 , wherein a lateral length of the second cushion portion is greater than a lateral length of the headrest portion.
9. The airbag apparatus of claim 7 , wherein the second cushion portion is in close contact with a roof of the vehicle body.
10. The airbag apparatus of claim 9 , wherein a second non-slip portion is disposed on the second cushion portion and in close contact with the roof and configured to restrict movement.
11. The airbag apparatus of claim 7 , wherein a pair of the third cushion portions is connected to a front of the second cushion portion and deployed toward the occupant.
12. The airbag apparatus of claim 11 , wherein a distance between the pair of the third cushion portions is greater than a lateral length of the headrest portion.
13. The airbag apparatus of claim 11 , wherein the third cushion portion is in close contact with a roof of the vehicle body.
14. The airbag apparatus of claim 13 , wherein a third non-slip portion is disposed on the third cushion portion and in close contact with the roof and configured to restrict movement.
15. The airbag apparatus of claim 7 , wherein
the cushion portion further includes
a strap portion configured to connect the second cushion portion with the housing portion and guide deployment of the third cushion portion.