公开(公告)号：US5967573A

公开(公告)日：1999-10-19

申请号：US182065

申请日：1998-10-29

申请人： Jenne-Tai Wang

发明人： Jenne-Tai Wang

IPC分类号： B60R19/34 ,  B60R19/40

CPC分类号： B60R19/40 ,  B60R19/34

摘要： A motor vehicle bumper energy absorber including an outer tube on a body of the motor vehicle, an inner tube and a bumper bar supported on the outer tube for linear translation between a retracted position and an extended position, an actuator for translating the inner tube and bumper bar, and a resistance medium for converting into work a fraction of the kinetic energy of an impact on the bumper bar. The actuator includes a shuttle on the inner tube, an actuator rod connected to the shuttle, and a plurality of spheres in wedge-shaped grooves in the inner tube. The actuator rod pushes the shuttle against the inner tube to translate the bumper bar from its retracted to its extended position. An impact on the bumper bar in its extended position causes the spheres to wedge against the outer tube. The actuator rod pulls the shuttle against the inner tube to translate the bumper from its extended position to its retracted position while fingers on the shuttle engage the spheres and prevent wedging of the latter against the outer tube. The wedged spheres constitute a resistance medium by plowing tracks in the outer tube.

摘要翻译： 一种机动车辆缓冲器能量吸收器，包括在机动车辆的主体上的外管，内管和支撑在外管上的保险杆，用于在缩回位置和延伸位置之间进行直线平移，用于平移内管和 保险杆，以及用于将保护杆上的冲击动能的一部分转换成工作的阻力介质。 致动器包括在内管上的梭子，连接到梭子的致动杆，以及在内管中的楔形槽中的多个球体。 致动器杆将梭子推靠在内管上，以将保险杆从其缩回位置平移到其延伸位置。 缓冲杆在其延伸位置的冲击使得球体与外管楔合。 致动器杆将梭子拉向内管，以将保险杠从其延伸位置平移到其缩回位置，而梭子上的指状物接合球体并防止其抵靠外管的楔入。 楔形球体通过在外管中犁道构成电阻介质。