Air bag cutting piece, sewing method of air bag cutting piece, safety air bag, seat and vehicle

Abstract

The invention provides an air bag cutting piece which is used for sewing a seat safety air bag, the air bag cutting piece is of an integrated structure and comprises a first piece and second pieces connected to the left end and the right end of the first piece in the length direction, and the first piece is roughly rectangular; the second piece comprises a piece A connected with the first piece and pieces B far away from the first piece, the shape of the piece A is the same as that of the left half piece or the right half piece of the first piece, and after sewing is completed, the ends, far away from the piece A, of the two pieces B enclose to form the opening end of the safety air bag. The invention further provides a safety air bag sewing method. The invention further provides the safety air bag. The invention further provides a seat. The invention further provides a vehicle. According to the safety air bag, the safety air bag is formed by sewing the integrated air bag cutting piece, the air bag cutting piece is simple in cutting process and sewing process, after inflation, the air bag is small in total size and large in effective size, air is not prone to leaking from a sewing needle hole, and the safety air bag has the double advantages of cost and performance.

Description

technical field [0001] The invention relates to the technical field of seat airbags, in particular to an airbag cut piece and a sewing method thereof, an airbag, a seat and a vehicle. Background technique [0002] Most of the passenger cars currently produced are equipped with airbags, which are used to inflate rapidly to protect the occupant's head in the event of a frontal or side collision. [0003] The side safety air curtain used for side protection in the prior art is generally installed above the two sides of the roof of the car. The basically uniform bag body reaches the protection area within the specified time, prevents the occupant's head from contacting the rigid body during collision, reduces head injuries, and protects the occupant's head. [0004] The side safety air curtain of the prior art, the protection of the occupant is limited to the installation position of the seat and the air curtain, and with the technical development of the intelligent driving veh...

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