A seat back frame (1) for an automobile is provided with: a first side frame (2) and a second side frame (3) which are disposed apart from each other in the vehicle width direction; an upper frame (4) which connects the upper end of the first side frame (2) and the upper end of the second side frame (3); and an upper bracket (6) which is attached to the upper end of the first side frame (2) and which guides a seatbelt. The first side frame (2) has: a columnar member (10) comprising an aluminum alloy extruded material and having a closed cross-section portion (14) in a cross-section perpendicular to the vertical direction of the vehicle; and a plate-shaped reinforcing member (20) comprising high-tension steel, joined to the columnar member (10), and extending rearward of the columnar member (10) in the vehicle.
汽车用的座椅靠背框架(1)具有在车辆宽度方向上分开配置的第一侧框架(2)以及第二侧框架(3)、连结第一侧框架(2)的上端部以及第二侧框架(3)的上端部的上框架(4)、安装于第一侧框架(2)的上端部且引导安全带的上托架(6)。第一侧框架(2)具有:由铝合金制挤出件构成且在垂直于车辆上下方向的截面中具有闭截面部(14)的柱状部件(10)、由高张力钢构成且与柱状部件(10)接合并且向柱状部件(10)的车辆后方延伸的板状的加强部件(20)。
SEAT BACK FRAME FOR AUTOMOBILE
汽车用的座椅靠背框架
2023-03-28
Patent
Electronic Resource
Chinese