A shock absorbing member is provided with: a first cross-section that is a cross-section of the shock absorbing member perpendicular to the axial direction; and a second cross-section that is a cross-section defined by extension lines of a plurality of sides of the first cross-section, the first cross-section being provided with: a common apex that is a common apex with the second cross-section; and a groove disposed so as to correspond to the apex of the second cross-section, the groove having: a first inflection point, which is an apex having an interior angle greater than 180 degrees, and a second inflection point, which is an apex having an interior angle greater than 180 degrees; and a second inflection point which is a vertex having an interior angle of less than 180 DEG, the first inflection point and the second inflection point being alternately arranged in the circumferential direction of the first cross-section in at least a part of the region of the first cross-section, the interior angle of at least one of the vertices of the first cross-section excluding the first inflection point and the second inflection point being 100 DEG or more, and the first cross-section having no partition wall portion therein.
一种冲击吸收构件,其具备:第1截面,其是冲击吸收构件的与轴线方向垂直的截面;以及第2截面,其是由第1截面的多个边的延长线规定的截面,第1截面具备:共用顶点,其是与第2截面共用的顶点;以及凹槽,其以与第2截面的顶点相对应的方式配置,凹槽具有:第1拐点,其是内角大于180°的顶点;以及第2拐点,其是内角小于180°的顶点,在第1截面的至少一部分的区域中,第1拐点与第2拐点沿着第1截面的周向交替地配置,除了第1拐点和第2拐点之外的第1截面的顶点的至少一个的内角是100°以上,第1截面在内部不具有分隔壁部。
Impact absorbing member
冲击吸收构件
2024-11-15
Patent
Electronic Resource
Chinese