JPS6222347U

JPS6222347U -

Info

Publication number: JPS6222347U
Application number: JP11430185U
Authority: JP
Priority date: 1985-07-25
Filing date: 1985-07-25
Publication date: 1987-02-10

Description

[Brief explanation of drawings]

第１図は本考案の第１実施例を示す縦断面図、
第２図は第１図のアンギユラー玉軸受の力学的作
用を示す説明図、第３図は本考案の第２実施例を
示す縦断面図、第４図はその第３実施例を示す縦
断面図、第５図はその第４実施例を示す縦断面図
、第６図はその第５実施例を示す縦断面図、第７
図は公知の超小型内公転型減速機を示す縦断面図
である。１……入力軸、１ａ……中空入力軸、２，３…
…玉軸受、６……遊星ギヤブロツク、６ａ，６ｂ
……遊星ギヤ、７……内歯ギヤ、８……出力軸、
８ａ……中空出力軸、９，１０……軸受、１１，
１２……アンギユラー玉軸受、１３……カラー、
１３ａ……偏心カラー、１４……ねじ部、１５…
…余圧ナツト、１６……ロツクピン、１７……締
め込みカラー、１８……ボルト、１９……保持フ
ランジリング、２０……固定ボルト、２１……保
持リング、２２……バランスウエイト、２３……
皿ばね、２４……偏心ワツシヤー、２５……同心
ワツシヤー。 FIG. 1 is a longitudinal sectional view showing a first embodiment of the present invention;
Fig. 2 is an explanatory diagram showing the mechanical action of the angular ball bearing shown in Fig. 1, Fig. 3 is a vertical sectional view showing the second embodiment of the present invention, and Fig. 4 is a longitudinal sectional view showing the third embodiment. 5 is a vertical sectional view showing the fourth embodiment, FIG. 6 is a longitudinal sectional view showing the fifth embodiment, and FIG.
The figure is a longitudinal sectional view showing a known ultra-compact internal revolution type reducer. 1...Input shaft, 1a...Hollow input shaft, 2, 3...
...Ball bearing, 6...Planetary gear block, 6a, 6b
... Planetary gear, 7 ... Internal gear, 8 ... Output shaft,
8a...Hollow output shaft, 9, 10...Bearing, 11,
12...angular ball bearing, 13...color,
13a... Eccentric collar, 14... Threaded portion, 15...
...Extra pressure nut, 16...Lock pin, 17...Tightening collar, 18...Bolt, 19...Holding flange ring, 20...Fixing bolt, 21...Retaining ring, 22...Balance weight, 23...
Belleville spring, 24...eccentric washer, 25...concentric washer.

Claims

[Scope of utility model registration request]

A planetary gear block having a pair of front and rear planetary gears is pivotally supported via a pair of front and rear ball bearings on an eccentric portion of an input shaft whose shaft end is coaxially supported by an output shaft end via an input shaft bearing, In an internal revolution type reducer in which one of a pair of planetary gears is meshed with a fixed internal gear of the casing, and the other planetary gear is meshed with an internal gear of the output shaft, the pair of front and rear balls Assuming that the bearings are a pair of moment load type bearings, an extra pressure member is attached to the shaft end of the eccentric part of the input shaft, and the extra pressure member absorbs the moment load on the outside through the collar fitted into the eccentric part. An inner revolution type reducer characterized by tightening the inner race of the type bearing.