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    • 29. 发明公开
    • Mechanism for transforming rotational into curvilinear motion
    • 将旋转转化为曲线运动的机制
    • EP0612936A1
    • 1994-08-31
    • EP94301235.1
    • 1994-02-22
    • TEIJIN SEIKI COMPANY LIMITED
    • Takenaka, Hiroyuki, c/o Gifu-daiichi, Factory ofMori, Katumi, c/o Gifu-daiichi, Factory ofNachi, Tuyoshi, c/o Gifu-daiichi, Factory ofHirai, Masanori, c/o Gifu-daiichi, Factory ofKiriyama, Tomohiro, c/o Gifu-daiichi, Factory of
    • F16H29/20F16H25/04F16H29/02F16H25/08F16H31/00
    • F16H19/043F16H25/02
    • A motion transforming mechanism comprises a rotation shaft (11) having a center axis (CA₁₁) and formed with at least three cranked shaft portions (11a, 11b and 11c) having respective eccentric axes (CA 11a , CA 11b and CA 11c ) in parallel relationship to one another and to the center axis (CA₁₁), the eccentric axes of the cranked shaft portions (11a, 11b and 11c) being displaced from and arranged equiangularly around the center axis (CA₁₁). The motion transforming mechanism further comprises a plate assembly (12) constituted by at least three rotation plates (13 to 15) having a plurality of teeth (13b, 14b and 15b) and formed with cranked through bores (13c, 14c and 15c), respectively. The cranked shaft portions (11a, 11b and 11) of the rotation shaft (11) are rotatably received in the cranked through bores (13c, 14c and 15c) of the rotation plates (13 to 15), respectively. The motion transforming mechanism further comprises an annular toothed rail (19) having a mid-circumferential plane (MP) perpendicularly intersected by the center axis (CA₁₁) of the rotation shaft (11) and having an inner surface configured to have a plurality of teeth (19b) held in mesh with the teeth (13b, 14b and 15b) of the rotation plates (13, 14 and 15). The rotational motion of the rotation shaft (11) causes each of the rotation plates (13 to 15) to be rotated with respect to the center axis (CA₁₁) of the rotation shaft (11) and being transformed into a relative curvilinear motion between the annular toothed rail (19) and the plate assembly (12).
    • 运动转换机构包括一个具有中心轴线(CA11)并由至少三个曲轴部分(11a,11b和11c)构成的旋转轴(11),该轴部分具有相应的偏心轴线(CA11a,CA11b和CA11c) 另一个和中心轴线(CA 11),曲轴部分(11a,11b和11c)的偏心轴线围绕中心轴线(CA 11)等角位移并等角度排列。 运动转换机构还包括由至少三个旋转板(13至15)构成的板组件(12),所述板具有多个齿(13b,14b和15b)并且形成有曲柄通孔(13c,14c和15c) 分别。 旋转轴(11)的曲柄轴部(11a,11b和11)分别可旋转地容纳在旋转板(13至15)的曲柄通孔(13c,14c和15c)中。 运动转换机构还包括环形齿轨(19),该环形齿轨具有与旋转轴(11)的中心轴线(CA 11)垂直相交的中心圆周平面(MP),并具有构造成具有多个齿 (19b)与旋转板(13,14和15)的齿(13b,14b和15b)啮合。 旋转轴(11)的旋转运动使每个旋转板(13至15)相对于旋转轴(11)的中心轴线(CA 11)旋转,并且变换成在旋转轴(11)之间的相对曲线运动 环形齿条(19)和板组件(12)。