JPS5926127Y2 - Internal gear fixing device for planetary gear transmission - Google Patents
Internal gear fixing device for planetary gear transmissionInfo
- Publication number
- JPS5926127Y2 JPS5926127Y2 JP1979117475U JP11747579U JPS5926127Y2 JP S5926127 Y2 JPS5926127 Y2 JP S5926127Y2 JP 1979117475 U JP1979117475 U JP 1979117475U JP 11747579 U JP11747579 U JP 11747579U JP S5926127 Y2 JPS5926127 Y2 JP S5926127Y2
- Authority
- JP
- Japan
- Prior art keywords
- internal gear
- main body
- fixing device
- planetary gear
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Retarders (AREA)
- Gears, Cams (AREA)
- General Details Of Gearings (AREA)
Description
【考案の詳細な説明】
本考案は遊星歯車変速機（減速機と増速機を含む）の内
歯車固定装置の改良に関する。[Detailed Description of the Invention] The present invention relates to an improvement of an internal gear fixing device for a planetary gear transmission (including a reduction gear and a speed increaser).
従来の遊星歯車変速機においては、例えば第２図に示す
ように本体１′に内歯車２′を圧入し、本体１′と内歯
車２′との互に重なり合う軸方向端面６′の圧入境界部
７′にピン５′を挿入して、本体１′に対し内歯車２′
を固定していた。In a conventional planetary gear transmission, for example, as shown in FIG. 2, an internal gear 2' is press-fitted into a main body 1', and the press-fit boundary between the overlapping axial end surfaces 6' of the main body 1' and the internal gear 2' is Insert the pin 5' into the section 7' and attach the internal gear 2' to the main body 1'.
was fixed.
そこでカバー３′を取り付けるためにはピン５′の外側
に設けた本体のボルト孔にカバーのボルト４′を螺合さ
せていた。Therefore, in order to attach the cover 3', a bolt 4' of the cover is screwed into a bolt hole of the main body provided on the outside of the pin 5'.
このためピン５′とピン孔の正確な加工製作が必要で工
数がかかるばかりか、本体１′にボルト孔を設けるため
に本体の全部又は一部を肉厚としなければならず、全体
の形状も大きくなりコスト高となった。For this reason, the pin 5' and the pin hole need to be manufactured accurately, which takes a lot of man-hours, and in order to provide the bolt hole in the main body 1', all or part of the main body must be made thick, which changes the overall shape. It also became larger and more expensive.
本考案はかかる従来品の欠点を除去したものであって前
記ピン５′とピン孔を除去し、代りにボルト孔を設けて
、カバーのボルトを螺合させるものであって、カバーの
ボルトと本体のボルト孔でピンとピン孔の役目を兼用さ
せたものである。The present invention eliminates the drawbacks of the conventional product, and removes the pin 5' and the pin hole, and provides a bolt hole instead, in which the bolt of the cover is screwed together. The bolt hole in the main body serves as both a pin and a pin hole.
以下この考案の実施例につき図面に基いて説明すると、
第１図において、カバー３付き本体１に固定された内歯
車２を有する遊星歯車２を有する遊星歯車変速機におい
て、本体１に内歯車２を圧入させると共に、本体１と内
歯車２との互に重なり合う軸方向端面６付近の圧入境界
部７にボルト孔８を設け、カバー３のボルト４をボルト
孔８に螺合させることにより、内歯車２を本体１に固定
せしめたものである。Examples of this invention will be explained below based on the drawings.
In FIG. 1, in a planetary gear transmission having a planetary gear 2 having an internal gear 2 fixed to a main body 1 with a cover 3, the internal gear 2 is press-fitted into the main body 1, and the main body 1 and the internal gear 2 are mutually connected. The internal gear 2 is fixed to the main body 1 by providing a bolt hole 8 in the press-fitting boundary 7 near the axial end surface 6 overlapping with the inner gear 2 and screwing the bolt 4 of the cover 3 into the bolt hole 8.
本考案は従来品のカバーのポル）〜とボルト孔で従来品
のピンとピン孔の役目を兼用させたので、従来品のよう
に精密なピンとピン孔加工が一切不要になり、大きく工
数を節減するものとなった。In this invention, the pins and pin holes of the conventional product are made to function as the pins and pin holes of the conventional product, so there is no need for precise pin and pin hole machining as with the conventional product, which greatly reduces the number of man-hours. It became something to do.
しかもカバー３を取付けるためのボルト４のピッチ円径
（Ｐ 、Ｃ，Ｄ、）が小さくなるため本体１およびカバ
ー３の外径寸法を小さくすることが出来るため、変速機
を小形にすることができ、材料や工数を減らすものとな
った。Moreover, since the pitch diameters (P, C, D,) of the bolts 4 for attaching the cover 3 are reduced, the outer diameter dimensions of the main body 1 and the cover 3 can be reduced, which allows the transmission to be made smaller. This resulted in a reduction in materials and man-hours.
またボルト孔を設けるために本体１の全部または一部を
肉厚にする必要もなく全体の形体の形状も小となりコス
ト安となった。Furthermore, there is no need to thicken all or part of the main body 1 in order to provide bolt holes, and the overall shape becomes smaller, resulting in lower costs.
第１図は本考案の実施例である遊星歯車変速機の要部断
面図、第２図は従来品の内歯車固定装置を示す説明図で
ある。
１・・・・・・本体、２・・・・・・内歯車、３・・・
・・・カバー ４・・・・・・ボルト、６・・・・・・
端面、７・・・・・・圧入境界部、８・・・・・・ボル
ト孔。FIG. 1 is a sectional view of a main part of a planetary gear transmission according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing a conventional internal gear fixing device. 1...Main body, 2...Internal gear, 3...
...Cover 4...Bolt, 6...
End face, 7... Press-fit boundary, 8... Bolt hole.
Claims (1)
機において、本体に内歯車を圧入させると共に本体と内
歯車との互に重なり合う軸方向端面付近の圧入境界部に
ボルト孔を設け、カバーのボルトをボルト孔に螺合せし
めてなる、遊星歯車変速機の内歯車固定装置。In a planetary gear transmission that has an internal gear fixed to a main body with a cover, the internal gear is press-fitted into the main body, and a bolt hole is provided at the press-fit boundary near the axial end surfaces where the main body and the internal gear overlap each other, and the cover is attached. An internal gear fixing device for a planetary gear transmission that screws a bolt into a bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979117475U JPS5926127Y2 (en) | 1979-08-28 | 1979-08-28 | Internal gear fixing device for planetary gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979117475U JPS5926127Y2 (en) | 1979-08-28 | 1979-08-28 | Internal gear fixing device for planetary gear transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5635942U JPS5635942U (en) | 1981-04-07 |
| JPS5926127Y2 true JPS5926127Y2 (en) | 1984-07-30 |
Family
ID=29349690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979117475U Expired JPS5926127Y2 (en) | 1979-08-28 | 1979-08-28 | Internal gear fixing device for planetary gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5926127Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5929456U (en) * | 1982-08-20 | 1984-02-23 | 三洋電機株式会社 | transmission |
| JP2776948B2 (en) * | 1990-03-19 | 1998-07-16 | 株式会社日立製作所 | Thin film magnetic head and method of manufacturing the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4929164U (en) * | 1972-04-13 | 1974-03-13 | ||
| JPS5042951U (en) * | 1973-08-18 | 1975-04-30 |
-
1979
- 1979-08-28 JP JP1979117475U patent/JPS5926127Y2/en not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4929164U (en) * | 1972-04-13 | 1974-03-13 | ||
| JPS5042951U (en) * | 1973-08-18 | 1975-04-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5635942U (en) | 1981-04-07 |
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