JPH0280249U

JPH0280249U -

Info

Publication number: JPH0280249U
Application number: JP16007688U
Authority: JP
Priority date: 1988-12-09
Filing date: 1988-12-09
Publication date: 1990-06-20

Description

[Brief explanation of drawings]

図面は本考案の一実施例を示しており、第１図
〜第３図は関数曲線歯車を採用する例であり、第
１図は側面視した断面図、第２図は正面視した断
面図、第３図は要部の一部を拡大して示した斜視
図、また４図、第５図はインボリユート等その他
の歯車を採用する例であり、第４図は側面視した
断面図、第５図は正面視した断面図、また第６図
は三角関数と三角関数曲線を表した図である。１：内歯歯車、２：外歯歯車、３：入力軸、４
：偏心ブツシユ、５：透孔、６：出力軸、７：係
止杆、８：隙間、９：ケーシング、１１，１２：
歯形、１１ａ，１２ａ：歯先、１１ｂ，１１ｂ：
歯底、Ａ：歯軸線。 The drawings show an embodiment of the present invention, and FIGS. 1 to 3 are examples in which a function curve gear is used. FIG. 1 is a sectional view as viewed from the side, and FIG. , Fig. 3 is an enlarged perspective view of a part of the main part, Fig. 4 and Fig. 5 are examples of adopting other gears such as involutes, Fig. 4 is a side sectional view, and Fig. FIG. 5 is a sectional view viewed from the front, and FIG. 6 is a diagram showing trigonometric functions and trigonometric function curves. 1: Internal gear, 2: External gear, 3: Input shaft, 4
: Eccentric bush, 5: Through hole, 6: Output shaft, 7: Locking rod, 8: Gap, 9: Casing, 11, 12:
Tooth profile, 11a, 12a: Tooth tip, 11b, 11b:
Tooth bottom, A: Tooth axis.

Claims

[Claims for Utility Model Registration] An annular external gear having a large number of internal teeth on its inner circumferential surface, and an annular external gear disposed at an eccentric position inside the external gear and arranged on the outer circumferential surface from the external gear. In a planetary gear reduction device consisting of an internal gear with a small number of teeth, the tooth profile of the internal and external gear is set to a trigonometric function curve using a trigonometric function by 1° to 10°, preferably 3° to 6°. In addition to using a function curve tooth profile formed based on a function curve created at a calculation angle of °, use a function curve gear etc. in which the tooth profile of the function curve is inclined with respect to the tooth axis of the internal and external gear. Planetary gear reduction device. An annular external gear having a large number of internal teeth on its inner circumferential surface, and an internal gear disposed eccentrically inside the external gear and having fewer teeth on its outer circumferential surface than the external gear. In a planetary gear reduction device configured with a toothed gear, the tooth profile of the internal and external gears is formed based on an involute curve to form an involute tooth profile, and the involute tooth profile is inclined with respect to the tooth axis of the internal and external gears. A planetary gear reduction device that uses function curve gears, etc.