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申请公布号:CN106142022A申请公布日:2016.11.23发明人:郭东钦一种电动工具及其扭力切换装置,其中电动工具包括一壳体;扭力切换装置包括:一基座,设置于壳体内,且具有一限制部;一内齿环,设置于壳体内,其一端面面对基座;一切换环,以可于基座的一第一位置与一第二位置之间,沿一固定轴心转动的方式结合于基座上,且具有一定位部;其中切换环位于第一位置时,定位部远离限制部,使切换环可沿基座的轴向移动;切换环位于
Application Publication Number: CN106142022A Published Date: 2016.11.23 Inventors: Guo Dongqin A power tool and a torque switching device thereof, wherein the power tool comprises a housing; the torque switching device comprises: a base disposed in the housing and having A ring gear disposed in the housing and having one end facing the base, and a switching ring rotatable between a first position and a second position on the base along a fixed axis , And has a positioning portion; wherein when the switching ring is located at the first position, the positioning portion is away from the limiting portion to enable the switching ring to move along the axial direction of the base; and the switching ring is located at