公开(公告)号：US20110127058A1

公开(公告)日：2011-06-02

申请号：US13022671

申请日：2011-02-08

申请人： Keiji NAKASHIMA ,  Takayuki Tahara ,  Hajime Takeuchi ,  Ryo Sunazuka

发明人： Keiji NAKASHIMA ,  Takayuki Tahara ,  Hajime Takeuchi ,  Ryo Sunazuka

IPC分类号： B25D17/24

CPC分类号： B25D17/24 ,  B25D2222/57

摘要： It is an object of the invention to provide an effective technique for a motor support structure of a power tool to reduce vibration. A representative reciprocating power tool may include a tool body, a tool bit, a grip, a motor, a tool bit side bearing, a grip side bearing, a tool bit side bearing housing, a grip and an elastic element. The tool bit side bearing housing houses the tool bit side bearing, while the grip side bearing housing houses the grip side bearing. The elastic element is disposed between the grip side bearing housing and the grip wherein the grip side bearing housing is elastically supported by the grip via the elastic element. According to the invention, because the grip is adapted to support the grip side bearing housing via the elastic element and the rigidity of the grip side bearing housing can be increased and vibration of the grip side bearing housing can be reduced. Further, the elastic element can absorb manufacturing errors caused between the tool body and the grip when the grip is mounted to the tool body.

摘要翻译： 本发明的目的是提供一种用于电动工具的电动机支撑结构以减少振动的有效技术。 代表性的往复动力工具可以包括工具主体，工具钻头，手柄，马达，工具钻头侧轴承，夹持侧轴承，工具头侧轴承壳体，手柄和弹性元件。 工具头侧轴承座容纳工具头侧面轴承，而手柄侧轴承座容纳夹持侧轴承。 弹性元件设置在手柄侧轴承壳体和把手之间，其中握持侧轴承壳体通过弹性元件被手柄弹性支撑。 根据本发明，由于把手用于经由弹性元件支撑抓握侧轴承壳体，并且可以增加抓握侧轴承壳体的刚性，并且可以减小夹持侧轴承壳体的振动。 此外，当把手安装到工具主体时，弹性元件可以吸收在工具主体和把手之间引起的制造误差。