JPH0225756U - - Google Patents

Description

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

第１図は本考案の一実施例を示す断面図、第２
図は第１図の内ピン保持リングと外ピン部分を示
す正面図、第３図は従来公知の遊星歯車減速機を
示す断面図、第４図は従来公知の遊星歯車減速機
の回転伝達荷重の作用点及び出力軸と入力軸の傾
きを説明する図、第５図は従来公知の遊星歯車減
速機の外部力の作用による出力軸と入力軸の傾き
を示す図、第６図は従来公知のオルダム継手を用
いた遊星歯車減速機の一部破断正面図である。 ２１：入力軸、２３_１，２３_２：偏心体、２５
_１，２５_２：外歯歯車、２６：軸受、２８：内歯
歯車、２９：外ピン、２９_１：外ローラ、３０：
内ピン穴、３１：内ピン、３２：内ローラ、３３
_１，３３_２：内ピン保持リング、３４：継手。 Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a front view showing the inner pin retaining ring and outer pin portion of Fig. 1, Fig. 3 is a sectional view showing a conventionally known planetary gear reducer, and Fig. 4 is a rotational transmission load of the conventionally known planetary gear reducer. Fig. 5 is a diagram illustrating the inclination of the output shaft and input shaft due to the action of external force of a conventionally known planetary gear reducer, and Fig. 6 is a diagram illustrating the inclination of the output shaft and input shaft due to the action of an external force of a conventionally known planetary gear reducer. FIG. 2 is a partially cutaway front view of a planetary gear reducer using an Oldham coupling. 21: Input shaft, 23 ₁ , 23 ₂ : Eccentric body, 25
₁ , 25 ₂ : External gear, 26: Bearing, 28: Internal gear, 29: External pin, 29 ₁ : External roller, 30:
Inner pin hole, 31: Inner pin, 32: Inner roller, 33
₁ , 33 ₂ : Inner pin retaining ring, 34: Joint.

Claims (1)

【実用新案登録請求の範囲】 (1) 入力軸と、該入力軸に設けられた偏心体と
、該偏心体に嵌合された外歯歯車と、該外歯歯車
と内接噛合する外ピンを有する内歯歯車と、前記
外歯歯車に形成された内ピン穴と、該内ピン穴に
遊嵌された内ピンと、該内ピン３１が密嵌された
内ピン保持リングと、該内ピン保持リングと出力
軸とを連結する軸心のずれを吸収する軸継手とか
らなることを特徴とする遊星歯車増減速機におけ
る出力軸の連結装置。 (2) 内ピン保持リングが外歯歯車を挟む両側に
設けられ、内ピンが該内ピン保持リングによつて
両持ちとなつていることを特徴とする実用新案登
録請求の範囲第１項記載の遊星歯車増減速機にお
ける出力軸の連結装置。 (3) 内ピン保持リングの外周が外ピンに接して
回転自在であることを特徴とする実用新案登録請
求の範囲第１項あるいは第２項記載の遊星歯車増
減速機における出力軸の連結装置。[Scope of claim for utility model registration] (1) An input shaft, an eccentric body provided on the input shaft, an external gear fitted to the eccentric body, and an external pin internally meshed with the external gear. an internal gear having an internal gear, an internal pin hole formed in the external gear, an internal pin loosely fitted in the internal pin hole, an internal pin retaining ring in which the internal pin 31 is tightly fitted, and the internal pin A coupling device for an output shaft in a planetary gear speed reducer, characterized by comprising a shaft coupling that absorbs misalignment of the shaft center connecting a retaining ring and the output shaft. (2) Claim 1 of the utility model registration claim characterized in that inner pin retaining rings are provided on both sides of the external gear, and the inner pin is supported on both sides by the inner pin retaining rings. A coupling device for the output shaft of a planetary gear speed reducer. (3) A coupling device for an output shaft in a planetary gear speed reducer according to claim 1 or 2 of the utility model registration claim, characterized in that the outer periphery of the inner pin retaining ring is rotatable in contact with the outer pin. .