JPH01144550U

JPH01144550U -

Info

Publication number: JPH01144550U
Application number: JP4168288U
Authority: JP
Priority date: 1988-03-29
Filing date: 1988-03-29
Publication date: 1989-10-04

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案の一実施例の断面図である。
第２図は、第１図のＡ―Ａ線断面図である。第３
図は、従来の遊星歯車減速機の断面図である。第
４図は、第３図のＢ―Ｂ線断面図である。第５図
は、従来の外ピンと枠体の取付を示す断面図であ
る。１１：外ピン、１２：枠体、１６：潤滑油溝（
吹出し溝）、１７：潤滑油溝（導入溝）。 FIG. 1 is a sectional view of an embodiment of the present invention.
FIG. 2 is a sectional view taken along the line AA in FIG. 1. Third
The figure is a sectional view of a conventional planetary gear reducer. FIG. 4 is a sectional view taken along line BB in FIG. 3. FIG. 5 is a sectional view showing the conventional attachment of the outer pin and the frame. 11: Outer pin, 12: Frame, 16: Lubricating oil groove (
17: Lubricating oil groove (introduction groove).

Claims

【実用新案登録請求の範囲】内歯歯車が外ピン及び該外ピンを保持する枠体
からなり、外歯歯車がトロコイド系歯形等からな
る両歯車を内接噛合させて増減速を行うようにし
た遊星歯車機構において、枠体に形成された外ピン保持用の枠体穴の内面
に、該枠体穴の周方向の中央部近傍に外ピンの略
軸方向に第１の潤滑油溝が形成されると共に、該
枠体穴の軸方向中央部近傍かつ内歯歯車の内周方
向に第２の潤滑油溝が形成されて成ることを特徴
とする遊星歯車機構における内歯歯車装置。[Scope of Claim for Utility Model Registration] The internal gear consists of an external pin and a frame that holds the external pin, and the external gear has trochoidal tooth profiles, etc., which internally mesh the two gears to perform speed-up and deceleration. In the planetary gear mechanism, a first lubricating oil groove is provided in the inner surface of the frame hole for holding the outer pin formed in the frame body, in the vicinity of the circumferential center of the frame hole, in the substantially axial direction of the outer pin. An internal gear device in a planetary gear mechanism, characterized in that a second lubricating oil groove is formed in the vicinity of the axial center of the frame hole and in the inner circumferential direction of the internal gear.