发明授权
US5706704A Energy absorbing steering column for motor vehicle 失效
机动车吸能转向柱

Energy absorbing steering column for motor vehicle
摘要:
An energy absorber for a motor vehicle steering column including a yoke pivotable about a lateral centerline of a motor vehicle body and an energy absorbing means between the yoke and the mast jacket responsive to linear translation of the mast jacket relative to the yoke. The mast jacket extends through a bore in the yoke and a plastic bushing in the bore prevents the mast jacket from tilting relative to the yoke before and during linear translation of the mast jacket. The energy absorbing means includes a flat metal strap attached at one end to the mast jacket and bent over a convex anvil on the yoke. The metal strap is pulled over the anvil parallel to a longitudinal centerline of the mast jacket and plastically deformed to convert into work a fraction of the kinetic energy of an impact on the steering column. Because the mast jacket pivots as a unit with the yoke, the metal strap is always parallel to the longitudinal centerline of the mast jacket and the vector force reaction on the mast jacket attributable to the energy absorber intersects the lateral centerline.
公开/授权文献
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IPC分类:
B 作业;运输
B62 无轨陆用车辆
B62D 机动车;挂车(农用机械或机具的转向机构或在所要求轨道上的引导装置入A01B69/00;车轮,脚轮,车轴,提高车轮的附着力入B60B;车用轮胎,轮胎充气或轮胎的更换入B60C;拖有挂车的牵引车或类似车辆之间的连接入B60D;轨道和道路两用车辆,两栖或可转换的车辆入B60F;悬架装置的配置入B60G;加热、冷却、通风或其他空气处理设备入B60H;车窗,挡风玻璃,非固定车顶,门或类似装置,车辆不用时的护套入B60J;动力装置的布置,辅助驱动装置,传动装置,控制机构,仪表或仪表板入B60K;电动车辆的电力装备或动力装置入B60L;电动车辆的电源线入B60M;其他类目不包含的乘客用设备入B60N;适用于货运或装载特殊货物或物体的入B60P;用于一般车辆信号或照明装置的布置,其安装或支承或者其电路入B60Q;其他类目不包含的车辆,车辆配件或车辆部件入B60R;其他类目不包含的保养,清洗,修理,支承,举升或调试入B60S;制动器布置,制动控制系统或其部件入B60T;气垫车入B60V;摩托车及其所用附件入B62J,B62K;车辆试验入G01M)
B62D1/00 转向控制装置,即用于使车辆改变方向的装置
B62D1/02 .装在车上的
B62D1/16 ..转向柱
B62D1/18 ...挠性的或可调的,如可倾斜的(与转向柱有关的衬垫入B60R21/05)
B62D1/19 ....具有吸收能量的结构,如可屈服的或可伸缩的(一般的利用部件的塑性变形的减震器入F16F7/12)
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