Double-layer hub rolling device

轮毂双层滚动装置

  • Inventors: ZHAO JUNHUA
  • Assignees: 赵俊华
  • Publication Date: December 24, 2014
  • Publication Number: CN-204037228-U

Abstract

The utility model discloses a double-layer hub rolling device, and belongs to the technical field of wheel hubs. A hub is a hollow cylinder, outer bearings are arranged at the two ends inside the hub respectively, first flat gaskets with the diameter larger than that of inner sleeves are arranged at the right ends of the inner layers of the outer bearings, locking nuts are arranged on the right sides of the first flat gaskets, through holes are formed in the locking nuts, and first cotter pins are arranged in the through holes. The corresponding inner sleeves are installed at the inner two ends of each outer bearing respectively, inner bearings are arranged at the two inner ends of each inner sleeve respectively, and middle shafts are installed in the inner bearings. A left end cover is arranged on the left side of the hub through bolts, and a through hole with the diameter larger than that of the middle shafts is formed in the center of the left end cover. A boss for performing limiting is arranged at the left end of the middle shaft to limit the inner bearings, a threaded rod with the diameter smaller than that of the middle shaft is arranged at the right end of the middle shaft, second flat gaskets are arranged on the inner layers of the inner bearings, a shaft nut is screwed in the threaded rod, and the shaft nut is provided with a through hole internally provided with a second cotter pin. A right end cover is arranged at the right end of the hub through bolts.
本实用新型公开了一种轮毂双层滚动装置,属于车轮轮毂技术领域,轮毂内为中空的圆筒,轮毂内两端分别安有外层轴承,外层轴承内层的右端安有直径大于内套的平垫一,平垫一的右侧安有锁紧螺母,锁紧螺母上设有通孔,通孔内安有开口销一;外层轴承内两端分别安有内套,内套内两端分别安有内层轴承,内层轴承内安有中轴;轮毂的左侧通过螺栓安有左端盖,左端盖中心设有直径大于中轴的通孔;中轴左端设有限位的凸台限制内层轴承,中轴右端设有直径小于中轴的螺杆,平垫二安在内层轴承的内层,轴螺母旋入螺杆上,轴螺母上设有通孔,通孔内安有开口销二;轮毂的右端通过螺栓安有右端盖。

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