JPH01133547U

JPH01133547U -

Info

Publication number: JPH01133547U
Application number: JP2989388U
Authority: JP
Priority date: 1988-03-07
Filing date: 1988-03-07
Publication date: 1989-09-12

Description

[Brief explanation of the drawing]

第１図はこの考案に係る減速機の第１の例を示
す縦断面図、第２図は同第２の例を示す縦断面図
、第３図は従来の減速機を示す縦断面図、第４図
は同上の軸受ユニツト部分を示す縦断側面図であ
る。１……撓み歯車、３……外歯、６……ケーシン
グ、７……内歯歯車、８……内歯、９……軸受、
１０……楕円カム、１１……ハブ、１４……モー
タ、１５……モータ軸、１６……出力部材、３１
……筒状延長部、３２……軸部、３３……軸受。 FIG. 1 is a vertical sectional view showing a first example of the reduction gear according to this invention, FIG. 2 is a vertical sectional view showing the second example, and FIG. 3 is a longitudinal sectional view showing a conventional reduction gear. FIG. 4 is a longitudinal sectional side view showing the bearing unit portion of the same as above. 1... Flexible gear, 3... External gear, 6... Casing, 7... Internal gear, 8... Internal gear, 9... Bearing,
10...Oval cam, 11...Hub, 14...Motor, 15...Motor shaft, 16...Output member, 31
... Cylindrical extension part, 32 ... Shaft part, 33 ... Bearing.

Claims

[Scope of utility model registration request]

a fixed internal gear; a cup-shaped flexible gear having external teeth with a smaller number of teeth than the internal teeth of the internal gear;
It consists of a combination with an elliptical cam inserted into the inner circumference of the flexible gear via a bearing, and the external teeth of the long axis of the flexible gear, which are deformed into an oval shape by the elliptical cam, mesh with the internal teeth of the fixed internal gear. In a flexible gear reducer, an output member rotatably attached to the casing is coupled to the flexible gear, and the inner end of the hub is positioned in the axial direction by a bearing provided between the output member and the output member. A flexible gear reducer characterized in that the thrust force acting on the hub is supported by the bearing.