Planetary device for conversion between rotary motion and linear motion
一种直线运动、行星式的技术，应用在转换的装置领域，能够解决不能够自由地设定直线运动量与旋转运动量转换比、转换效率低等问题
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no. 1 example
[0204] 1A to 1C show a first embodiment of a planetary rotary / linear motion converter according to the present invention, which is configured to convert the rotary motion of the ring gear shaft into the linear motion of the sun shaft. Specifically, FIG. 1A is a sectional view showing the first embodiment viewed along a section of the axis of rotation; FIG. 1B is a sectional view omitting hatching, showing a spur gear viewed along a section perpendicular to the axis of rotation. The first planetary gear mechanism of the first embodiment of the construction; and FIG. 1C is a right side view showing the main part of the sun shaft of the first embodiment.
[0205] In FIGS. 1A to 1C , reference numeral 10 denotes a planetary rotary / linear motion converter. The rotary / linear motion converter 10 has a sun shaft 14 and a ring gear shaft 16 extending along a common rotation axis 12 and cooperating with each other, and arranged between the sun shaft 14 and the ring gear shaft 16 and par...
no. 2 example
[0236] 2A to 2C show a second embodiment of a planetary rotary / linear motion converter according to the present invention, which is configured to convert the rotary motion of the ring gear shaft into the linear motion of the sun shaft. Specifically, FIG. 2A is a cross-sectional view showing the second embodiment viewed along a cross-section of the rotation axis; The first planetary gear mechanism of the second embodiment of the construction; and FIG. 2C is a right side view showing the main part of the sun shaft of the second embodiment. In FIGS. 2A to 2C , components similar to those appearing in FIGS. 1A to 1C are denoted by the same reference numerals as appearing in FIGS. 1A to 1C . The same applies to the drawings of other embodiments described below.
[0237] The second embodiment is constructed in a similar manner to the first embodiment described above, except for the following points, in which: the difference in the number of teeth of the external thread 26 functioni...
no. 3 example
[0253] 3A to 3C show a third embodiment of a planetary rotary / linear motion converter according to the present invention, which is configured to convert the rotary motion of the ring gear shaft into the linear motion of the sun shaft. Specifically, FIG. 3A is a sectional view showing a third embodiment viewed along a section of the axis of rotation; FIG. 3B is a sectional view with hatching omitted, showing a spur gear viewed along a section perpendicular to the axis of rotation. The first planetary gear mechanism of the third embodiment of the construction; and FIG. 3C is a right side view showing the main part of the sun shaft of the third embodiment.
[0254] The third embodiment is constructed in a similar manner to the first embodiment described above, except that the helix angle of the external thread 26 functioning as a helical sun gear is the same as the helix angle of the external thread 30 functioning as a helical planetary gear. direction; the difference in the numb...
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