Airbag and airbag device

摘要

An airbag and an airbag device allowing the airbag to stably stand by itself are provided. The airbag is usually folded and embedded in an instrument panel, and in an emergency, a gas is supplied to inflate and expand the airbag between a windshield and a passenger. Also, the airbag includes a front inflation portion inflating toward a windshield side, and a back inflation portion inflating toward a passenger side. The front inflation portion includes a bottom portion pressed against a surface of the instrument panel at a time of an inflation and expansion; and a front face portion which projects to the windshield side in a projecting shape.

主权项

1. An airbag folded and embedded in an instrument panel during a normal state, and supplied with a gas to inflate so as to self-stand between a windshield and a passenger in an emergency state, comprising:
a front inflation portion inflating toward a windshield side; a back inflation portion inflating toward a passenger side; and a rectification device disposed internally and controlling a gas flow, including a first opening portion supplying the gas to press the back inflation portion against the instrument panel on the passenger side, a second opening portion supplying the gas to press the front inflation portion against the instrument panel on the windshield side, and a third opening portion supplying the gas to lift the airbag upward, wherein the front inflation portion includes a bottom portion pressed against a surface of the instrument panel at a time of an inflation, and a front face portion which projects toward the windshield side in a projecting shape, and the front face portion has a height half of a height of the airbag or higher than a position of a gravity center of the airbag.