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    A handcart caster
    1.
    发明公开
    A handcart caster 有权
    手推车脚轮

    公开(公告)号：EP2875966A1

    公开(公告)日：2015-05-27

    申请号：EP14151707.8

    申请日：2014-01-20

    申请人： Cixi Chuangli Bearing Co. Ltd.

    发明人： Bo, Sun

    IPC分类号： B60B33/00 ,  F16C35/077

    CPC分类号： B60B33/0028 ,  B60B33/0007 ,  B60B33/0021 ,  B60B33/0039 ,  B60B33/0049 ,  B60B33/0068 ,  F16C13/006 ,  F16C19/08 ,  F16C33/414 ,  F16C35/067 ,  Y10T16/184 ,  Y10T16/1857 ,  Y10T16/186 ,  Y10T16/199 ,  Y10T16/201

    摘要： The present invention relates a handcart caster, which includes bracket and rolling wheel component set on the lower end of the bracket, and a radial directional convex part is set on the upper part of the bracket, and the rolling bearing is set in the cavity of the radial directional convex part, and the rolling bearing includes outer ring of bearing, inner ring of bearing and steel balls set between the outer ring of bearing and inner ring of bearing, and two-layer grooves are set on the surfaces of the said outer ring of bearing and inner ring of bearing facing each other, and the said steel balls are set in the said two-layer grooves, the cage is set outside of the steel balls; multiple convex ridges fixing the said outer ring of the bearing are set on the inner wall of the said radial directional convex part. The convex ridge of the handcart caster plays a fixing effect to the outer ring of the bearing, and the rolling bearing of the handcart caster has two-row steel balls, and increases the torque and carrying capacity, and decreases the quantity of axial and radial drifting, and operates stably, and increases service life, and decreases rejection rate in the process of machining.

    摘要翻译： 本发明涉及一种手推车脚轮，其包括支架和设置在支架下端的滚轮组件，支架上部设有径向定向凸部，滚动轴承设置在支架的下部 所述径向定向凸部，所述滚动轴承包括轴承外圈，轴承内圈和设置在轴承外圈与轴承内圈之间的钢珠，所述外圈表面设置有双层凹槽 所述轴承圈与轴承内圈相互面对，所述钢珠置于所述双层槽中，所述保持架设置在所述钢珠外侧; 固定所述轴承的所述外圈的多个凸脊设置在所述径向定向凸部的内壁上。 手车脚轮凸脊对轴承外圈起固定作用，手车脚轮滚动轴承为双排钢球，增加了扭矩和承载能力，减少了轴向和径向的数量 漂移，运行稳定，延长使用寿命，降低加工过程中的废品率。