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    • 1. 发明申请
    • REDUCTION MOTOR
    • 减速电机
    • WO2014051132A1
    • 2014-04-03
    • PCT/JP2013/076447
    • 2013-09-20
    • MITSUBA CORPORATION
    • SAITO TatsuyukiWATANABE TetsuyaMATOBA NaofumiTSUKAMOTO Hitoshi
    • H02K7/116F16H1/32
    • F16H1/32F16H2001/324F16H2001/327H02K7/085H02K7/116
    • A speed reducer (20) of a reduction motor (1) includes a first internal gear (22) attached to the housing, an input shaft (21) having an eccentric shaft portion (21d), a first external gear (24) having a pitch circle diameter smaller than a pitch circle diameter of the first internal gear (22), and an output member (27) connected to the first external gear (24). The input shaft (21) is configured to be rotated by a rotation input from the electric motor (10). The first external gear (24) is configured to be placed inside of the first internal gear (22) under a state that a part of an external teeth (24a) of the first external gear (24) engages with an internal teeth (22d) of the first internal gear (24a). A holding member (28) fixes the first internal gear (22) in the axial direction of the input shaft (21).
    • 减速电动机(1)的减速器(20)包括附接到壳体的第一内齿轮(22),具有偏心轴部分(21d)的输入轴(21),具有 节圆直径小于第一内齿轮(22)的节圆直径,以及连接到第一外齿轮(24)的输出构件(27)。 输入轴(21)构造成通过来自电动机(10)的旋转输入旋转。 第一外齿轮(24)构造成在第一外齿轮(24)的外齿(24a)的一部分与内齿(22d)接合的状态下放置在第一内齿轮(22)的内部, 的第一内齿轮(24a)。 保持构件(28)沿着输入轴(21)的轴向固定第一内齿轮(22)。