Airbag device
Provided is an airbag device in which an inflator can be fixedly mounted easily. The airbag device includes an inflator which generates a gas; an airbag which is inflated by the gas generated by the inflator; a retainer which is provided with an insertion port into which the inflator is inserted; a bag ring which mounts the airbag in the retainer; and a spring which fixes the inflator inserted into the insertion port.
1. An airbag device comprising:
an inflator that generates a gas;
an airbag that is inflated by the gas generated by the inflator;
a retainer that is provided with an insertion port into which the inflator is inserted;
a bag ring that mounts the airbag in the retainer;
a bolt that stands from the bag ring, the bolt penetrates the retainer and a flange of the inflator, and a nut is threadedly attached on the bolt, and a diameter of a bolt through hole provided in the flange is larger than a diameter of the nut;
a spring is provided in the inflator and fixes the inflator inserted into the insertion port; and,
a protrusion which stands on the bag ring and of which a tip has an L shape or a wedge shape penetrates the retainer and is engaged with the spring, so that the inflator is fixed.
2. The airbag device according to claim 1 , wherein
the bolt is positioned on an outer circumferential side from the protrusion.
3. The airbag device according to claim 1 wherein
the airbag is a passenger seat airbag provided in a passenger seat.
4. The airbag device according to claim 3 , wherein
the inflator is detachable from a glove box side.
5. An airbag device comprising:
an inflator that generates a gas;
an airbag that is inflated by the gas generated by the inflator;
a retainer that is provided with an insertion port into which the inflator is inserted;
a bag ring that mounts the airbag in the retainer; and
a spring that fixes the inflator inserted into the insertion port, the spring is provided on the bag ring, and
a protrusion which stands on a flange of the inflator and of which a tip has an L shape or a wedge shape penetrates the retainer, and is engaged with the spring, so that the inflator is fixed.
6. The airbag device according to claim 5 , wherein
the protrusion penetrates the flange, and
the protrusion has a thick portion which pinches the flange.
7. The airbag device according to claim 6 , wherein
an engagement between the protrusion and the spring is released when the protrusion is rotated in a circumferential direction.
8. An airbag device comprising:
an inflator that generates a gas;
an airbag that is inflated by the gas generated by the inflator;
a retainer that is provided with an insertion port into which the inflator is inserted;
a bag ring that mounts the airbag in the retainer;
a spring that fixes the inflator inserted into the insertion port;
wherein the inflator is a flangeless inflator, and a concave portion is provided in a side surface;
wherein the inflator is fixed when the spring provided on a bottom surface of the retainer enters into the concave portion;
wherein the spring has a U shape or a U shape with rounded corners;
wherein a portion of the retainer on an opening end side of the spring having the U shape or the U shape with rounded corners is a detachable portion which is detachable; and,
wherein the bag ring has a C shape of which a portion corresponding to the detachable portion is open.
9. The airbag device according to claim 8 , wherein
the concave portion is a groove shape which circulates the inflator.
10. The airbag device according to claim 8 , wherein
a conduction pin is provided in a rear surface of the inflator in an axial direction, and a transformation connector in which an extending direction of a pin is bent by 90° is mounted in the inflator.