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发明公开
CN101304848A 密闭型蜗轮蜗杆式指关节单元 无效 - 撤回

密闭型蜗轮蜗杆式指关节单元
摘要：
一种机械手的密闭型蜗轮蜗杆式指关节单元(1)，在其齿轮箱外壳(4)上具有被橡胶衬套(13)封闭的圆形开口部(82)。当拆下橡胶衬套(13)时，蜗杆轴部分(11A)的轴端面(11a)从圆形开口部(82)露出，可从外侧接近形成在该处的工具卡合部(11b)。通过在工具卡合部(11b)中插入用于旋转蜗杆轴部分(11A)的工具，可利用该工具简单地旋转蜗杆轴部分(11A)。由于在旋转蜗杆轴(11A)时蜗杆(2)旋转，与其啮合的输出侧的蜗轮(3)旋转，因此关节轴(12)旋转，可使与其轴端部(12a、12b)连结的旋转臂移动至规定位置。从而能实现可通过手动操作简单地旋转关节轴的密闭型蜗轮蜗杆式指关节单元。
摘要（英）：

A sealed worm gear type finger joint unit (1) for a robot hand has a circular opening (82) in a gear box case (4) of the unit, and the opening is closed by a rubber bush (13). When the rubber bush (13) is removed, a shaft end face (11a) of a worm shaft section (11A) is exposed from the circular opening (82), and this makes a tool engagement section (11b) formed on the shaft end face is accessible from the outside. A tool for turning the worm shaft section (11A) is fitted in the tool engagement section (11b), and the worm shaft section (11A) can be easily turned by the tool. Turning the worm shaft section (11A) turns a worm (2), turning a worm wheel (3) meshing with the worm (2), and this turns the joint shaft (12). As a result, a swing arm connected to shaft end sections (12a, 12b) of the joint shaft (12) can be moved to a predetermined position. In the finger joint unit, the joint shaft can be easily manually turned.

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