| 摘要 |
Sandwiched tubular safety airbags are disclosed. An example sandwiched tubular safety airbag comprises an air tube truss ( 2 ) formed by a bending hollow air tube ( 21 ), a lower air cushion ( 4 ) and an upper air cushion ( 1 ). The lower air cushion ( 4 ) is provided at the bottom of the air tube truss ( 2 ), and the upper air cushion ( 1 ) is provided on top of the air tube truss ( 2 ). An inlet opening ( 5 ) is provided on the bottom surface of the lower air cushion ( 4 ). The end openings of the hollow air tube ( 21 ) of the air tube truss ( 2 ) are charging openings ( 3 ) of the air tube truss ( 2 ). Charging holes ( 11 ) are provided at joints of the lower air cushion ( 4 ) with the charging openings ( 3 ) of the air tube truss ( 2 ). The top of the air tube truss ( 2 ) is provided with one or more discharging holes ( 6 ) communicating with the upper air cushion ( 1 ).
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