| 发明名称 | Vehicle frame member structure with excellent impact resistance performance | ||
| 摘要 | A vehicle frame member structure has a closed cross-sectional structure including a pair of first wall portions, and a pair of second wall portions connected to the pair of the first wall portions, in which first beads are provided on the pair of first wall portions along a circumferential direction of the closed cross-sectional structure, a second bead is provided on either of the pair of second wall portions along the closed cross-sectional circumferential direction on a line extending from the first bead in the circumferential direction, the first and second beads are connected in two corner portions between the first wall portions and the second wall portion, a recessed embossed portion is provided in a connection portion of the first and second beads in at least one of the corner portions, and the sheet thickness of the embossed portion is larger than that of the first or second wall portion. | ||
| 申请公布号 | US9205870(B2) | 申请公布日期 | 2015.12.08 |
| 申请号 | US201314403367 | 申请日期 | 2013.06.03 |
| 申请人 | NIPPON STEEL & SUMITOMO METAL CORPORATION | 发明人 | Kuwayama Takuya;Yonemura Shigeru;Yoshino Masahiko;Honda Kazuhiko |
| 分类号 | B60N99/00;B62D21/15;B62D21/02 | 主分类号 | B60N99/00 |
| 代理机构 | Kenyon & Kenyon LLP | 代理人 | Kenyon & Kenyon LLP |
| 主权项 | 1. A vehicle frame member structure having a closed cross-sectional structure comprising a pair of first wall portions, and a pair of second wall portions connected to the pair of the first wall portions, wherein first beads, which are projected beads, are provided on the pair of first wall portions along a circumferential direction of the closed cross-sectional structure, a second bead, which is a recessed bead, is provided on either of the pair of second wall portions along the closed cross-sectional circumferential direction on a line extending from the first bead in the circumferential direction, the first beads and the second bead are connected to each other in two corner portions between the first wall portions and the second wall portion, the first bead has a first flat surface parallel to a surface of the first wall portion, the second bead has a second flat surface parallel to a surface of the second wall portion, a recessed embossed portion is provided in a connection portion of the first flat surface of the first bead and the second flat surface of the second bead in at least one of the corner portions, and the sheet thickness of the embossed portion is larger than the sheet thickness of one of the first wall portion and the second wall portion. | ||
| 地址 | Tokyo JP | ||