JPH07298547A - Coupling structure for transmission and motor - Google Patents
Coupling structure for transmission and motorInfo
- Publication number
- JPH07298547A JPH07298547A JP10443294A JP10443294A JPH07298547A JP H07298547 A JPH07298547 A JP H07298547A JP 10443294 A JP10443294 A JP 10443294A JP 10443294 A JP10443294 A JP 10443294A JP H07298547 A JPH07298547 A JP H07298547A
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- case
- electric motor
- input shaft
- intermediate flange
- 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.)
- Granted
Links
Landscapes
- Retarders (AREA)
- General Details Of Gearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、遊星機構、ウォームホ
イール等の歯車や摩擦の伝動を利用した増減速機及び摩
擦伝動を利用した無段変速機等の変速機と電動機の結合
構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a planetary mechanism, a gear such as a worm wheel, an increase / decrease gear utilizing friction transmission, and a coupling structure of a transmission such as a continuously variable transmission utilizing friction transmission and an electric motor.
【０００２】[0002]
【従来の技術】変速機と電動機の結合構造として、電動
機の回転軸が変速機の入力軸に同軸線上に連結されると
共に電動機のケースが中間フランジを介して変速機のケ
ースに連結されるようにしたものが周知である。2. Description of the Related Art As a coupling structure of a transmission and an electric motor, a rotating shaft of the electric motor is coaxially connected to an input shaft of the transmission, and a case of the electric motor is connected to a case of the transmission through an intermediate flange. It is well known that this is done.
【０００３】この結合構造によれば、所要の変速機に対
して不特定多数の汎用電動機を任意に結合することが可
能になり、変速機に対する電動機の組み替えが容易にな
る。According to this coupling structure, an unspecified number of general-purpose electric motors can be arbitrarily connected to the required transmission, and the electric motors can be easily rearranged for the transmission.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、従来の
前記結合構造では、変速機の入力軸が軸受を介して中間
フランジに支持されると共に中間フランジが変速機構の
入力軸側を被うものであるため、電動機の組み替えに際
して中間フランジが変速機のケースから取り外されたと
きには変速機構の入力軸側が外部に露出することにな
り、中間フランジの交換と同時に変速機の分解組み立て
及び潤滑油の入れ換えを要する等の問題があった。However, in the above-mentioned conventional coupling structure, the input shaft of the transmission is supported by the intermediate flange via the bearing, and the intermediate flange covers the input shaft side of the transmission mechanism. Therefore, when the intermediate flange is removed from the transmission case when changing the electric motor, the input shaft side of the transmission mechanism is exposed to the outside, and it is necessary to disassemble and assemble the transmission and replace the lubricating oil at the same time as changing the intermediate flange. There was a problem such as.
【０００５】さらに、前記結合構造では、中間フランジ
における入力軸外周に配置された軸受の外輪を支持する
インロー部、並びに中間フランジにおける変速機のケー
ス側のインロー部及び電動機側のインロー部の各加工手
順が互いに異なり、しかも加工工数が増加することか
ら、変速機と電動機の結合時に回転軸、入力軸及び伝動
要素間に偏心が生じ易くなり、このために高精度の回転
性能を得ることが困難であった。Further, in the above coupling structure, the spigot portion for supporting the outer ring of the bearing arranged on the outer periphery of the input shaft in the intermediate flange, and the machining of the spigot portion on the case side of the transmission and the spigot portion on the electric motor side on the intermediate flange. Since the procedures are different from each other and the processing man-hours increase, eccentricity is likely to occur between the rotary shaft, the input shaft and the transmission element when the transmission and the motor are coupled, which makes it difficult to obtain highly accurate rotary performance. Met.
【０００６】本発明の課題は、電動機の回転軸、変速機
の入力軸及び伝動要素について容易に同軸度を出すと共
に高精度の回転性能を得ることができ、電動機の組み替
えに際して変速機のケースから中間フランジが取り外さ
れても変速機構の入力軸側が外部に露出することがない
変速機と電動機の結合構造を提供することにある。An object of the present invention is to easily obtain coaxiality with respect to the rotating shaft of the electric motor, the input shaft of the transmission, and the transmission element, and to obtain highly accurate rotational performance. An object of the present invention is to provide a combined structure of a transmission and an electric motor in which the input shaft side of the transmission mechanism is not exposed to the outside even if the intermediate flange is removed.
【０００７】[0007]
【課題を解決するための手段】本発明に係る変速機と電
動機の結合構造は、電動機の回転軸が変速機の入力軸に
同軸線上に連結されると共に電動機のケースが中間フラ
ンジを介して変速機のケースに連結されるようにした変
速機と電動機の結合構造において、入力軸外周に配置さ
れた軸受の外輪が中間フランジ及び変速機のケースの各
インロー部内周に嵌合支持されたことを特徴としてい
る。In the coupling structure of a transmission and an electric motor according to the present invention, a rotating shaft of the electric motor is coaxially connected to an input shaft of the transmission, and a case of the electric motor is shifted through an intermediate flange. In the coupling structure of the transmission and the electric motor, which is adapted to be connected to the case of the machine, the outer ring of the bearing arranged on the outer periphery of the input shaft is fitted and supported on the intermediate flange and the inner periphery of each spigot part of the case of the transmission. It has a feature.
【０００８】[0008]
【作用】前記構成において、入力軸外周に配置された軸
受の外輪が中間フランジ及び変速機のケースの各インロ
ー部内周に嵌合支持されることから、変速機のケースの
軸受支持部と伝動要素の支持部品とが一体加工され得る
と共に中間フランジにおける変速機のケース側のインロ
ー部と電動機側のインロー部とが一体加工され得るた
め、各加工が必然的に相関連して行われることになり、
各嵌合構造に高い公差精度が得られると共に電動機の回
転軸、変速機の入力軸及び伝動要素について容易に同軸
度を出すことができる。In the above structure, since the outer ring of the bearing arranged on the outer periphery of the input shaft is fitted and supported on the intermediate flange and the inner periphery of each spigot portion of the transmission case, the bearing support portion of the transmission case and the transmission element are provided. Since the supporting part of the intermediate flange can be integrally processed and the spigot portion of the transmission side of the transmission and the spigot portion of the electric motor of the intermediate flange can be integrally machined, the respective processings are necessarily performed in association with each other. ,
A high tolerance accuracy can be obtained for each fitting structure, and the coaxiality can be easily obtained for the rotary shaft of the electric motor, the input shaft of the transmission, and the transmission element.
【０００９】また、前記構成では、電動機の組み替えに
際して中間フランジが前記軸受の外輪上において変速機
のケースから取り外されることから、中間フランジの取
り外し後も変速機構の入力軸側は変速機のケース及び前
記軸受で封止されることになる。Further, in the above structure, since the intermediate flange is removed from the case of the transmission on the outer ring of the bearing when the electric motor is reassembled, the input shaft side of the transmission mechanism is removed from the case of the transmission even after the intermediate flange is removed. It will be sealed with the bearing.
【００１０】[0010]
【実施例】以下、本発明を実施例に基づいて具体的に説
明する。図１は本発明の第一実施例に係る変速機と電動
機の結合構造を示す断面図である。同図において、変速
機１は、ケース２に、中心軸上で回転駆動される太陽歯
車３とケース２内周に固定された内歯歯車４とそれらに
噛合された複数の遊星歯車５とからなる１段以上の遊星
歯車機構を入力軸６と出力軸７との間において内装して
なる遊星歯車減速機から構成され、ケース２の入力側端
部にインロー部２ａが設けられる。EXAMPLES The present invention will be specifically described below based on examples. FIG. 1 is a sectional view showing a coupling structure of a transmission and an electric motor according to a first embodiment of the present invention. In the figure, a transmission 1 includes a case 2, a sun gear 3 that is rotationally driven on a central axis, an internal gear 4 that is fixed to the inner circumference of the case 2, and a plurality of planetary gears 5 that are meshed with the internal gear 4. The planetary gear speed reducer has a planetary gear mechanism of one or more stages, which is mounted between the input shaft 6 and the output shaft 7, and has a spigot portion 2a at the input side end of the case 2.
【００１１】電動機１１の回転軸１２は変速機１の入力
軸６に同軸線上にキー連結され、電動機１１のケース１
３に中間フランジ１４がその大径端において各インロー
部１１ａ、１４ａを介して嵌合され、該中間フランジ１
４の小径端に、変速機１のケース２の入力側端部と連結
するためのインロー部１４ｂが設けられる。The rotating shaft 12 of the electric motor 11 is coaxially key-connected to the input shaft 6 of the transmission 1, and the case 1 of the electric motor 11 is connected.
3, an intermediate flange 14 is fitted at its large-diameter end via the spigot parts 11a and 14a.
A spigot portion 14b for connecting to the input side end portion of the case 2 of the transmission 1 is provided at the small diameter end of the transmission 4.
【００１２】入力軸６は２列の軸受２１、２２を介して
変速機１のケース２に支持されると共にケース２と入力
軸６とに太陽歯車３と軸受２１との中間においてオイル
シール１５が介設され、特に電動機側の軸受２２の外輪
は中間フランジ１４及び変速機１のケース２の各インロ
ー部１４ｂ、２ａ内周に嵌合支持されると共に該嵌合部
分に精密なインロー継手が形成され、前記嵌合後は中間
フランジ１４及び変速機１のケース２間がボルト２３で
固定される。The input shaft 6 is supported by the case 2 of the transmission 1 via two rows of bearings 21 and 22, and an oil seal 15 is provided between the case 2 and the input shaft 6 between the sun gear 3 and the bearing 21. In particular, the outer ring of the bearing 22 on the electric motor side is fitted and supported by the intermediate flange 14 and the inner periphery of each of the spigot portions 14b, 2a of the case 2 of the transmission 1, and a precise spigot joint is formed at the fitted portion. After the fitting, the intermediate flange 14 and the case 2 of the transmission 1 are fixed with bolts 23.
【００１３】前記構成では、電動機１１の組み替えに際
して中間フランジ１４が取り外されても、変速機１内部
の遊星歯車機構が外部に露出することがない。With the above construction, even if the intermediate flange 14 is removed when the electric motor 11 is reassembled, the planetary gear mechanism inside the transmission 1 is not exposed to the outside.
【００１４】図２は本発明の第二実施例に係る変速機と
電動機の結合構造を示す断面図である。同図において、
第一実施例と同様の変速機１に第一実施例の電動機１１
より小径の電動機１１を結合するために、その電動機１
１のケース１３とインロー接合可能に小さな大径端を備
えた中間フランジ１４が使用されている。なお、前記以
外の構成及び作用効果等は実施例１と同様であるので、
詳細な説明を省略する。FIG. 2 is a sectional view showing a coupling structure of a transmission and an electric motor according to a second embodiment of the present invention. In the figure,
A transmission 1 similar to that of the first embodiment has a motor 11 of the first embodiment.
In order to connect the electric motor 11 having a smaller diameter, the electric motor 1
An intermediate flange 14 having a small large-diameter end that can be joined to the case 13 of No. 1 is used. In addition, since the configuration, operation effects, and the like other than the above are similar to those of the first embodiment,
Detailed description is omitted.
【００１５】図３は従来技術に係る変速機と電動機の結
合構造を示す断面図である。同図において、変速機１の
入力軸６が２列の軸受２１、２２を介して中間フランジ
１１４に支持されると共に中間フランジ１１４がその各
端において電動機１１のケース１１３及び変速機１のケ
ース１０２に各々連結されているため、電動機１１の組
み替えに際して中間フランジ１１４がボルト２３と共に
変速機１のケース１０２から取り外されたときは遊星歯
車機構の入力軸側が全て外部に露出することになる。FIG. 3 is a sectional view showing a coupling structure of a transmission and an electric motor according to the prior art. In the figure, the input shaft 6 of the transmission 1 is supported by the intermediate flange 114 via two rows of bearings 21 and 22, and the intermediate flange 114 is provided at each end thereof with a case 113 of the electric motor 11 and a case 102 of the transmission 1. When the intermediate flange 114 is removed from the case 102 of the transmission 1 together with the bolt 23 when the electric motor 11 is reassembled, the entire input shaft side of the planetary gear mechanism is exposed to the outside.
【００１６】[0016]
【発明の効果】本発明に係る変速機と電動機の結合構造
は以上のように構成されるので、電動機の回転軸、変速
機の入力軸及び伝動要素について容易に同軸度を出すと
共に高精度の回転性能を得ることができ、電動機の組み
替えに際して変速機のケースから中間フランジが取り外
されても変速機構の入力軸側が外部に露出することがな
い。Since the transmission and the electric motor coupling structure according to the present invention is constructed as described above, the rotary shaft of the electric motor, the input shaft of the transmission, and the transmission element can be easily made coaxial and highly accurate. Rotational performance can be obtained, and the input shaft side of the transmission mechanism is not exposed to the outside even if the intermediate flange is removed from the transmission case when the electric motor is reassembled.
【図１】本発明の第一実施例に係る変速機と電動機の結
合構造を示す断面図である。FIG. 1 is a sectional view showing a coupling structure of a transmission and an electric motor according to a first embodiment of the present invention.
【図２】本発明の第二実施例に係る変速機と電動機の結
合構造を示す断面図である。FIG. 2 is a sectional view showing a coupling structure of a transmission and an electric motor according to a second embodiment of the present invention.
【図３】従来技術に係る変速機と電動機の結合構造を示
す断面図である。FIG. 3 is a sectional view showing a coupling structure of a transmission and an electric motor according to a conventional technique.
１ 変速機 ２ ケース ２ａ インロー部 ６ 入力軸 １１ 電動機 １２ 回転軸 １３ ケース １４ 中間フランジ １４ｂ インロー部 ２２ 軸受 1 Gearbox 2 Case 2a Inlay part 6 Input shaft 11 Electric motor 12 Rotating shaft 13 Case 14 Intermediate flange 14b Inlay part 22 Bearing
Claims (1)
線上に連結されると共に電動機のケースが中間フランジ
を介して変速機のケースに連結されるようにした変速機
と電動機の結合構造において、入力軸外周に配置された
軸受の外輪が中間フランジ及び変速機のケースの各イン
ロー部内周に嵌合支持されたことを特徴とする変速機と
電動機の結合構造。1. A combination structure of a transmission and an electric motor, wherein a rotating shaft of the electric motor is coaxially connected to an input shaft of the transmission, and a case of the electric motor is connected to a case of the transmission through an intermediate flange. In the above structure, the outer ring of the bearing disposed on the outer circumference of the input shaft is fitted and supported on the intermediate flange and the inner circumference of each spigot portion of the case of the transmission, and the combined structure of the transmission and the electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10443294A JP3596906B2 (en) | 1994-04-19 | 1994-04-19 | Transmission and motor coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10443294A JP3596906B2 (en) | 1994-04-19 | 1994-04-19 | Transmission and motor coupling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07298547A true JPH07298547A (en) | 1995-11-10 |
| JP3596906B2 JP3596906B2 (en) | 2004-12-02 |
Family
ID=14380518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10443294A Expired - Lifetime JP3596906B2 (en) | 1994-04-19 | 1994-04-19 | Transmission and motor coupling structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3596906B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002225732A (en) * | 2001-02-02 | 2002-08-14 | Showa Corp | Electric power steering device |
| JP2002225735A (en) * | 2001-02-02 | 2002-08-14 | Showa Corp | Electric power steering device |
| JP2002255047A (en) * | 2001-02-27 | 2002-09-11 | Showa Corp | Motor-driven power steering device |
| CN102781700A (en) * | 2010-03-31 | 2012-11-14 | 爱信艾达株式会社 | Vehicle drive device |
| US8550956B2 (en) | 2011-09-19 | 2013-10-08 | Aisin Aw Co., Ltd. | Planetary gear unit |
| KR20190048667A (en) * | 2017-10-31 | 2019-05-09 | 현대자동차주식회사 | Coupling structure of motor and reducer |
| CN111853207A (en) * | 2019-04-30 | 2020-10-30 | 采埃孚股份公司 | Housing of a structural unit of a vehicle drive train having two housing parts aligned with one another |
-
1994
- 1994-04-19 JP JP10443294A patent/JP3596906B2/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002225732A (en) * | 2001-02-02 | 2002-08-14 | Showa Corp | Electric power steering device |
| JP2002225735A (en) * | 2001-02-02 | 2002-08-14 | Showa Corp | Electric power steering device |
| JP4609972B2 (en) * | 2001-02-02 | 2011-01-12 | 株式会社ショーワ | Electric power steering device |
| JP4609973B2 (en) * | 2001-02-02 | 2011-01-12 | 株式会社ショーワ | Electric power steering device |
| JP2002255047A (en) * | 2001-02-27 | 2002-09-11 | Showa Corp | Motor-driven power steering device |
| JP4609974B2 (en) * | 2001-02-27 | 2011-01-12 | 株式会社ショーワ | Electric power steering device |
| CN102781700A (en) * | 2010-03-31 | 2012-11-14 | 爱信艾达株式会社 | Vehicle drive device |
| JP5318282B2 (en) * | 2010-03-31 | 2013-10-16 | アイシン・エィ・ダブリュ株式会社 | Vehicle drive device |
| US8888650B2 (en) | 2010-03-31 | 2014-11-18 | Aisin Aw Co., Ltd. | Vehicle drive apparatus |
| CN102781700B (en) * | 2010-03-31 | 2015-04-29 | 爱信艾达株式会社 | Vehicle drive device |
| US8550956B2 (en) | 2011-09-19 | 2013-10-08 | Aisin Aw Co., Ltd. | Planetary gear unit |
| KR20190048667A (en) * | 2017-10-31 | 2019-05-09 | 현대자동차주식회사 | Coupling structure of motor and reducer |
| CN111853207A (en) * | 2019-04-30 | 2020-10-30 | 采埃孚股份公司 | Housing of a structural unit of a vehicle drive train having two housing parts aligned with one another |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3596906B2 (en) | 2004-12-02 |
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