发明名称 BUMPER STRUCTURE OF AUTOMOBILE
摘要 PROBLEM TO BE SOLVED: To provide a bumper structure of an automobile, which stably absorbs impact energy since the upper wall part end side of a crash box is prevented from being deformed upward at the time of collision by reinforcing the upper part side of the crash box without increasing the number of parts. SOLUTION: This bumper structure of an automobile comprises a bumper reinforcement 18 having: a pair of left and right crash boxes 9 having base ends attached to the end of a side frame 8; and a beam part 13 linking the ends of the crash boxes 9 to each other, wherein the vertical center c1 of the beam part 13 is offset upward to the vertical centers c2 of the crash boxes 9. The crash box 9 is formed of a side wall part 10 and an upper wall part 12 formed of different members X, Y, respectively. Flange parts 12a folded upward are so formed on both sides of the upper wall part 12 as to extend in the longitudinal direction. The flange parts 12a are joined to the side wall part 10, and the ends of the flange parts 12a are connected to the beam part 13. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2008265654(A) 申请公布日期 2008.11.06
申请号 JP20070113998 申请日期 2007.04.24
申请人 MAZDA MOTOR CORP 发明人 NAKAYAMA NOBUYUKI;ABE TAKESHI
分类号 B60R19/34;B60R19/24 主分类号 B60R19/34
代理机构 代理人
主权项
地址