which provides a double- shielded exterior airbag device Is accommodated in the airbag housing to be mounted on the bumper of the car , in the external airbag device is deployed by a gas bag provided in the inflator , is filled by a gas provided by the inflator , the outside air cushion consisting of a single cushion layer ; Arranged in the interior space of the external air cushion , interior air cushion to form an inner chamber containing the inflator ; The outside is formed in the air cushion with a plurality of internal septa connecting the inner air cushion , through the gas hole provided on the inner air cushion chamber connected to the plurality of divided inner chamber, and a . ; 展开▼