JPH08270767A - Lubricating oil feeding structure for planetary gear mechanism - Google Patents
Lubricating oil feeding structure for planetary gear mechanismInfo
- Publication number
- JPH08270767A JPH08270767A JP7076343A JP7634395A JPH08270767A JP H08270767 A JPH08270767 A JP H08270767A JP 7076343 A JP7076343 A JP 7076343A JP 7634395 A JP7634395 A JP 7634395A JP H08270767 A JPH08270767 A JP H08270767A
- Authority
- JP
- Japan
- Prior art keywords
- lubricating oil
- oil
- oil supply
- passage
- planetary gear
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0479—Gears or bearings on planet carriers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Structure Of Transmissions (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ピニオンを回転自在に
支持するピニオンシャフトに形成した油路が開口するプ
ラネタリキャリヤの側面に概略環状の潤滑油案内部材を
固定し、プラネタリキャリヤの中心を貫通する中心軸に
形成した油路から潤滑油案内部材を介して前記ピニオン
シャフトの油路に潤滑油を供給する遊星歯車機構の潤滑
油供給構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention fixes a substantially annular lubricating oil guide member to the side surface of a planetary carrier having an oil passage formed in a pinion shaft for rotatably supporting a pinion, and penetrates the center of the planetary carrier. The present invention relates to a lubricating oil supply structure for a planetary gear mechanism, which supplies lubricating oil from an oil passage formed on a central shaft to an oil passage of the pinion shaft via a lubricating oil guide member.
【０００２】[0002]
【従来の技術】かかる遊星歯車機構の潤滑油供給構造
は、特公平５−６１４９７号公報、実開平５−３４３５
０号公報により公知である。2. Description of the Related Art Such a lubricating oil supply structure for a planetary gear mechanism is disclosed in Japanese Examined Patent Publication No. 5-61497 and Japanese Utility Model Laid-Open No. 5-3435.
It is known from publication 0.
【０００３】上記従来のものは、プラネタリキャリヤに
側面にシール部材を介して装着した潤滑油案内部材によ
り、中心軸の油路から供給される潤滑油をピニオンシャ
フトの油路に導いている。In the above-mentioned conventional apparatus, the lubricating oil guide member mounted on the side surface of the planetary carrier via the seal member guides the lubricating oil supplied from the oil passage of the central shaft to the oil passage of the pinion shaft.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら上記従来
のものは、シール部材の不良や劣化によって潤滑油案内
部材から潤滑油が漏れ易く、潤滑油をピニオンシャフト
の油路に確実に導くことができなくなって潤滑性能が低
下する問題があった。However, in the above-mentioned prior art, the lubricating oil easily leaks from the lubricating oil guide member due to the defect or deterioration of the seal member, and the lubricating oil cannot be reliably guided to the oil passage of the pinion shaft. Therefore, there was a problem that the lubrication performance deteriorates.
【０００５】本発明は前述の事情に鑑みてなされたもの
で、ピニオンシャフトの油路に確実に潤滑油を導くこと
が可能な遊星歯車機構の潤滑油供給構造を提供すること
を目的とする。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a lubricating oil supply structure for a planetary gear mechanism that can reliably guide the lubricating oil to the oil passage of the pinion shaft.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、請求項１に記載された発明は、ピニオンを回転自在
に支持するピニオンシャフトに形成した油路が開口する
プラネタリキャリヤの側面に概略環状の潤滑油案内部材
を固定し、プラネタリキャリヤの中心を貫通する中心軸
に形成した油路から潤滑油案内部材を介して前記ピニオ
ンシャフトの油路に潤滑油を供給する遊星歯車機構の潤
滑油供給構造において、前記潤滑油案内部材は、半径方
向内端が開口する給油通路と、この給油通路の半径方向
外端に連なってピニオンシャフトに形成した油路に嵌合
する給油管とを有することを特徴とする。In order to achieve the above-mentioned object, the invention described in claim 1 has a side surface of a planetary carrier in which an oil passage formed in a pinion shaft for rotatably supporting a pinion is opened. Lubricating oil for planetary gear mechanism, which fixes the annular lubricating oil guide member and supplies the lubricating oil to the oil passage of the pinion shaft from the oil passage formed on the central axis penetrating the center of the planetary carrier through the lubricating oil guide member. In the supply structure, the lubricating oil guide member has an oil supply passage whose inner end in the radial direction is open, and an oil supply pipe which is connected to the outer end in the radial direction of the oil supply passage and which is fitted into an oil passage formed in the pinion shaft. Is characterized by.
【０００７】また請求項２に記載された発明は、請求項
１の構成に加えて、半径方向に延びる切欠きを形成した
案内板の両側面を側板で覆うことにより前記給油通路を
形成したことを特徴とする。According to a second aspect of the present invention, in addition to the structure of the first aspect, the oil supply passage is formed by covering both side surfaces of a guide plate having a notch extending in the radial direction with side plates. Is characterized by.
【０００８】また請求項３に記載された発明は、請求項
１の構成に加えて、２枚の側板の少なくとも一方に半径
方向に延びる凹部を形成し、それら側板を外周部で結合
することにより前記給油通路を形成したことを特徴とす
る。According to a third aspect of the present invention, in addition to the structure of the first aspect, a concave portion extending in the radial direction is formed in at least one of the two side plates, and the side plates are joined at the outer peripheral portion. The fuel supply passage is formed.
【０００９】また請求項４に記載された発明は、請求項
１の構成に加えて、給油通路及び給油管を概略Ｌ字状に
屈曲したパイプ材で形成したことを特徴とする。In addition to the structure of claim 1, the invention described in claim 4 is characterized in that the oil supply passage and the oil supply pipe are formed by a pipe material bent in a substantially L shape.
【００１０】また請求項５に記載された発明は、請求項
１の構成に加えて、給油通路に潤滑油を導くガイド部を
潤滑油案内部材の内周部に設けたことを特徴とする。In addition to the structure of claim 1, the invention described in claim 5 is characterized in that a guide portion for guiding the lubricating oil to the oil supply passage is provided on the inner peripheral portion of the lubricating oil guide member.
【００１１】[0011]
【作用】請求項１の構成によれば、回転軸の油路から供
給された潤滑油は潤滑油案内部材の給油通路の内端の開
口から遠心力で半径方向外側に導かれ、そこから給油管
を通ってピニオンシャフトの油路に供給されてピニオン
を潤滑する。According to the first aspect of the invention, the lubricating oil supplied from the oil passage of the rotary shaft is guided to the outside in the radial direction by centrifugal force from the opening at the inner end of the oil supply passage of the lubricating oil guide member, and the oil is supplied from there. It is supplied through a pipe to the oil passage of the pinion shaft to lubricate the pinion.
【００１２】請求項５の構成によれば、回転軸の油路か
ら供給された潤滑油が潤滑油案内部材の内周部に設けた
ガイド部によって給油通路に導かれる。According to the structure of claim 5, the lubricating oil supplied from the oil passage of the rotary shaft is guided to the oil supply passage by the guide portion provided on the inner peripheral portion of the lubricating oil guide member.
【００１３】[0013]
【実施例】以下、図面に基づいて本発明の実施例を説明
する。Embodiments of the present invention will be described below with reference to the drawings.
【００１４】図１〜図８は本発明の第１実施例を示すも
ので、図１は自動車用トランスミッションの部分断面
図、図２は図１の２−２線拡大矢視図、図３は図２の３
−３線断面図、図４は第１潤滑油案内部材の分解斜視
図、図５は図１の５−５線拡大矢視図、図６は図５の６
−６線断面図、図７は第２潤滑油案内部材の分解斜視
図、図８は潤滑効果を示すグラフである。FIGS. 1 to 8 show a first embodiment of the present invention. FIG. 1 is a partial sectional view of an automobile transmission, FIG. 2 is an enlarged view taken along line 2-2 of FIG. 1, and FIG. 2 of FIG.
3 is a sectional view taken along line -3, FIG. 4 is an exploded perspective view of the first lubricating oil guide member, FIG. 5 is an enlarged view taken along line 5-5 of FIG. 1, and FIG.
6 is a sectional view taken along line -6, FIG. 7 is an exploded perspective view of the second lubricating oil guide member, and FIG. 8 is a graph showing a lubricating effect.
【００１５】図１に示すように、トランスミッションの
ケーシング１の端面にサポート２が内向きに突設されて
おり、このサポート２の左端内周にメインシャフト３の
右端外周がニードルベアリング４を介して回転自在に嵌
合する。As shown in FIG. 1, a support 2 is provided on the end surface of a casing 1 of the transmission so as to project inward, and the right end outer circumference of the main shaft 3 is provided on the left end inner circumference of the support 2 via a needle bearing 4. It fits freely.
【００１６】メインシャフト３の外周にはシングルピニ
オン式の第１遊星歯車機構Ｐ1 及びダブルピニオン式の
第２遊星歯車機構Ｐ2 が軸方向に並置される。第１遊星
歯車機構Ｐ1 及び第２遊星歯車機構Ｐ2 はそれぞれサン
ギヤ５1 ，５2 、プラネタリキャリヤ６1 ，６2 及びリ
ングギヤ７1 ，７2 を備えており、両プラネタリキャリ
ヤ６1 ，６2 は一体に結合されており、また両リングギ
ヤ７1 ，７2 は一体に形成されている。プラネタリキャ
リヤ６1 に支持された４個のピニオン８1 …は、サンギ
ヤ５1 及びリングギヤ７1 に同時に噛合する。プラネタ
リキャリヤ６2に支持された内側の４個のピニオン８2
…はサンギヤ５2 に噛合するとともに外側の４個のピニ
オン８2 …はリングギヤ７2 に噛合し、且つ内側及び外
側のピニオン８2 …は相互に噛合する。A single pinion type first planetary gear mechanism P 1 and a double pinion type second planetary gear mechanism P 2 are arranged side by side in the axial direction on the outer periphery of the main shaft 3. The first planetary gear mechanism P 1 and the second planetary gear mechanism P 2 are provided with sun gears 5 1 and 5 2 , planetary carriers 6 1 and 6 2 and ring gears 7 1 and 7 2 , respectively, and both planetary carriers 6 1 and 6 2. 2 is integrally connected, and both ring gears 7 1 and 7 2 are integrally formed. The four pinions 8 1 supported by the planetary carrier 6 1 mesh with the sun gear 5 1 and the ring gear 7 1 at the same time. Planetary carrier 6 2 supported the inside of the four pinions 82
... meshes with the sun gear 5 2 , the four outer pinions 8 2 mesh with the ring gear 7 2 , and the inner and outer pinions 8 2 mesh with each other.
【００１７】第１遊星歯車機構Ｐ1 のプラネタリキャリ
ヤ６1 には４本のピニオンシャフト９1 …が固定されて
おり、その外周にニードルベアリング１０…を介して前
記４個のピニオン８1 …が回転自在に支持される。また
第２遊星歯車機構Ｐ2 のプラネタリキャリヤ６2 には８
本のピニオンシャフト９2 …が固定されており、その外
周にニードルベアリング１０…を介して前記８個のピニ
オン８2 …が回転自在に支持される。各ピニオンシャフ
ト９1 …，９2 には軸方向一端面に開口する油路１１…
が形成されており、それら油路１１…は半径方向に延び
る油路１２…を介してニードルベアリング１０…に連通
する。Four pinion shafts 9 1 are fixed to the planetary carrier 6 1 of the first planetary gear mechanism P 1 , and the four pinions 8 1 are connected to the outer periphery of the pinion shafts 9 1 via needle bearings 10. It is rotatably supported. Further, the planetary carrier 6 2 of the second planetary gear mechanism P 2 has 8
The pinion shafts 9 2 are fixed, and the eight pinions 8 2 are rotatably supported on the outer circumference of the pinion shafts 9 2 by needle bearings 10. Each pinion shaft 9 1, ..., 9 2 has an oil passage 11 ...
Are formed, and these oil passages 11 communicate with the needle bearings 10 through the oil passages 12 extending in the radial direction.
【００１８】一体に形成された両リングギヤ７1 ，７2
は、第１クラッチＣ1 を介してメインシャフト３に結合
される。また、第１遊星歯車機構Ｐ1 のサンギヤ５1 は
メインシャフト３にニードルベアリング１３を介して回
転自在に支持されており、このサンギヤ５1 に一体に結
合されて半径方向外側に延びるサンギヤ拘束部材１４
は、第２クラッチＣ2 を介してメインシャフト３に結合
される。Both ring gears 7 1 , 7 2 formed integrally
Are coupled to the main shaft 3 via the first clutch C 1 . Further, the sun gear 5 1 of the first planetary gear mechanism P 1 is rotatably supported by the main shaft 3 via a needle bearing 13, and the sun gear restraint member integrally coupled to the sun gear 5 1 and extending outward in the radial direction. 14
Is coupled to the main shaft 3 via the second clutch C 2 .
【００１９】メインシャフト３の内部を軸方向に延びる
油路１５から半径方向に延びる油路１６を通り、更にサ
ンギヤ５1 を半径方向に貫通する油路１７を通って供給
される潤滑油を第１遊星歯車機構Ｐ1 のピニオンシャフ
ト９1 …の油路１１…に導くべく、プラネタリキャリヤ
６1 の右側面に第１潤滑油案内部材１８が装着される。
第１潤滑油案内部材１８の右側面とサンギヤ拘束部材１
４の左側面との間にスラストベアリング１９が配設され
る。The lubricating oil supplied through the oil passage 15 extending in the radial direction from the oil passage 15 extending in the axial direction inside the main shaft 3 and further through the oil passage 17 passing through the sun gear 5 1 in the radial direction. A first lubricating oil guide member 18 is mounted on the right side surface of the planetary carrier 6 1 so as to be guided to the oil passage 11 of the pinion shaft 9 1 of the first planetary gear mechanism P 1 .
The right side surface of the first lubricating oil guide member 18 and the sun gear restraint member 1
Thrust bearing 19 is arranged between the left side surface of No. 4 and the left side surface of No. 4.
【００２０】メインシャフト３の内部を軸方向に延びる
油路１５から半径方向に延びる油路２０を通り、更にサ
ンギヤ５1 を半径方向に貫通する油路２１を通って供給
される潤滑油を第２遊星歯車機構Ｐ2 のピニオンシャフ
ト９2 …の油路１１…に導くべく、プラネタリキャリヤ
６2 の右側面とプラネタリキャリヤ６1 の左側面との間
に第２潤滑油案内部材２２が挟持される。Lubricating oil supplied through an oil passage 20 extending in the radial direction from an oil passage 15 extending in the axial direction inside the main shaft 3 and further through an oil passage 21 penetrating the sun gear 5 1 in the radial direction. The second lubricating oil guide member 22 is sandwiched between the right side surface of the planetary carrier 6 2 and the left side surface of the planetary carrier 6 1 so as to guide the oil to the oil passages 11 of the pinion shaft 9 2 of the two planetary gear mechanism P 2. It
【００２１】次に、図２〜図４を併せて参照しながら第
１潤滑油案内部材１８の構造を説明する。Next, the structure of the first lubricating oil guide member 18 will be described with reference to FIGS.
【００２２】第１潤滑油案内部材１８は、案内板３１、
右側板３２、左側板３３及び４本の給油管３４…から構
成される。案内板３１は中央に円形の開口部３１ａを備
えており、この開口部３１ａから４個の切欠き３１ｂ…
が半径方向外側に放射状に延びている。右側板３２は中
央に形成した円形の開口部３２ａの縁をフランジ状に折
り曲げたガイド部３２ｂを備える。左側板３３は中央に
円形の開口部３３ａを備えるとともに、前記４本の給油
管３４…がロー付けや接着等の手段で固定される４個の
油孔３３ｂ…を備える。The first lubricating oil guide member 18 includes a guide plate 31,
It comprises a right side plate 32, a left side plate 33, and four oil supply pipes 34 .... The guide plate 31 has a circular opening 31a at the center, and four notches 31b ... From the opening 31a.
Radiate outward in the radial direction. The right side plate 32 includes a guide portion 32b formed by bending the edge of a circular opening 32a formed in the center into a flange shape. The left side plate 33 is provided with a circular opening 33a in the center and four oil holes 33b ... In which the four oil supply pipes 34 ... Are fixed by means such as brazing or bonding.
【００２３】案内板３１の右側面及び左側面に、前記右
側板３２及び左側板３３がロー付けや接着等の手段で固
定される。第１潤滑油案内部材１８の中央空間３５から
は４個の切欠き３１ｂ…に対応する４個の給油通路３６
…（図３参照）が半径方向外側に放射状に延びており、
その外端に４本の給油管３４…が連通している。The right side plate 32 and the left side plate 33 are fixed to the right side surface and the left side surface of the guide plate 31 by means such as brazing or bonding. From the central space 35 of the first lubricating oil guide member 18, four oil supply passages 36 corresponding to the four notches 31b ...
... (see Fig. 3) extend radially outward,
Four oil supply pipes 34 communicate with the outer end thereof.
【００２４】前記第１潤滑油案内部材１８を第１遊星歯
車機構Ｐ1 のプラネタリキャリヤ６ 1 の右側面に装着し
たとき、４本の給油管３４…がピニオンシャフト９1 …
の油孔１１…に嵌合するとともに、油孔１７を有するサ
ンギヤ５1 が中央空間３５に遊嵌する。The first lubricating oil guide member 18 is replaced with a first planetary tooth.
Car mechanism P1Planetary carrier 6 1Mounted on the right side of
4 oil supply pipes 34 ...1…
Of the oil hole 11 ...
Gear 51Loosely fit into the central space 35.
【００２５】次に、図５〜図７を併せて参照しながら第
２潤滑油案内部材２２の構造を説明する。Next, the structure of the second lubricating oil guide member 22 will be described with reference to FIGS.
【００２６】第２潤滑油案内部材２２は、案内板３７、
右側板３８、左側板３９及び８本の給油管４０…から構
成される。案内板３７は中央に円形の開口部３７ａを備
えており、この開口部３７ａから８個の切欠き３７ｂ…
が半径方向外側に放射状に延びている。右側板３８は中
央に形成した円形の開口部３８ａの縁をフランジ状に折
り曲げたガイド部３８ｂを備える。左側板３９は中央に
形成した円形の開口部３９ａの縁をフランジ状に折り曲
げたガイド部３９ｂを備えるとともに、前記８本の給油
管４０…がロー付けや接着等の手段で固定される８個の
油孔３９ｃ…を備える。The second lubricating oil guide member 22 includes a guide plate 37,
It comprises a right side plate 38, a left side plate 39, and eight oil supply pipes 40 .... The guide plate 37 has a circular opening 37a in the center, and eight notches 37b are formed from the opening 37a.
Radiate outward in the radial direction. The right side plate 38 is provided with a guide portion 38b in which the edge of a circular opening portion 38a formed in the center is bent into a flange shape. The left side plate 39 is provided with a guide portion 39b in which the edge of a circular opening 39a formed in the center is bent into a flange shape, and the eight oil supply pipes 40 are fixed by brazing or bonding. Oil holes 39c ...
【００２７】案内板３７の右側面及び左側面に、前記右
側板３８及び左側板３９がロー付けや接着等の手段で固
定される。第２潤滑油案内部材２２の中央空間４１から
は８個の切欠き３７ｂ…に対応する８個の給油通路４２
…（図６参照）が半径方向外側に放射状に延びており、
その外端に８本の給油管４０…が連通している。The right side plate 38 and the left side plate 39 are fixed to the right side surface and the left side surface of the guide plate 37 by means such as brazing or bonding. From the central space 41 of the second lubricating oil guide member 22, eight oil supply passages 42 corresponding to the eight notches 37b ...
... (see FIG. 6) extend radially outward,
Eight oil supply pipes 40 communicate with the outer end thereof.
【００２８】前記第２潤滑油案内部材２２を第２遊星歯
車機構Ｐ2 のプラネタリキャリヤ６ 2 の右側面及び第１
遊星歯車機構Ｐ1 のプラネタリキャリヤ６1 の左側面間
に装着したとき、８本の給油管４０…がピニオンシャフ
ト９2 …の油孔１１…に嵌合するとともに、油孔２１を
有するサンギヤ５1 が中央空間４１に遊嵌する。The second lubricating oil guide member 22 is replaced with a second planetary tooth.
Car mechanism P2Planetary carrier 6 2Right side and first
Planetary gear mechanism P1Planetary carrier 61Between the left side of
8 oil supply pipes 40 ... are attached to the pinion shuffle.
To 92The oil hole 21 of ... is fitted and the oil hole 21 is
Sun gear 51Loosely fit into the central space 41.
【００２９】次に、前述の構成を備えた本発明の実施例
の作用について説明する。Next, the operation of the embodiment of the present invention having the above construction will be described.
【００３０】図示せぬオイルポンプによりメインシャフ
ト３の油路１５に供給された潤滑油は、メインシャフト
３の油路１６及びサンギヤ５1 の油路１７を介して第１
潤滑油案内部材１８に供給されるとともに、メインシャ
フト３の油路２０及びサンギヤ５1 の油路２１を介して
第２潤滑油案内部材２２に供給される。Lubricating oil supplied to the oil passage 15 of the main shaft 3 by an oil pump (not shown) passes through the oil passage 16 of the main shaft 3 and the oil passage 17 of the sun gear 5 1 to generate the first oil.
Is supplied to the lubricating oil guiding member 18, it is supplied to the second lubricating oil guiding member 22 through the oil passage 20 and the sun gear 5 1 oil passage 21 of the main shaft 3.
【００３１】サンギヤ５1 の油路１７を通過して遠心力
で第１潤滑油案内部材１８の中央空間３５に飛散した潤
滑油は、側板３２のガイド部３２ｂに案内されて４本の
給油通路３６…に流入し、そこから半径方向外側に流れ
て給油管３４…に流入する。給油管３４…はピニオンシ
ャフト９1 …の油路１１…に嵌合しているため、給油管
３４…内の潤滑油は漏れることなくピニオンシャフト９
1 …の油路１１…に流入し、そこから油路１２…を経て
ピニオン８1 …を支持するニードルベアリング１０…を
潤滑する。The lubricating oil, which has passed through the oil passage 17 of the sun gear 5 1 and scattered to the central space 35 of the first lubricating oil guide member 18 by centrifugal force, is guided by the guide portion 32b of the side plate 32 to form four oil supply passages. 36, and then flows radially outward to flow into the oil supply pipes 34. Since the oil supply pipes 34 are fitted into the oil passages 11 of the pinion shaft 9 1 , the lubricating oil in the oil supply pipes 34 does not leak and the pinion shaft 9 does not leak.
1 ... into the oil passages 11 ..., and then lubricates the needle bearings 10 ... Supporting the pinions 8 1 ...
【００３２】同様に、サンギヤ５1 の油路２１を通過し
て遠心力で第２潤滑油案内部材２２の中央空間４１に飛
散した潤滑油は、側板３８，３９のガイド部３８ｂ、３
９ｂに案内されて８本の給油通路４２…に流入し、そこ
から半径方向外側に流れて給油管４０…に流入する。給
油管４０…はピニオンシャフト９2 …の油路１１…に嵌
合しているため、給油管４０…内の潤滑油は漏れること
なくピニオンシャフト９2 …の油路１１…に流入し、そ
こから油路１２…を経てピニオン８2 …を支持するニー
ドルベアリング１０…を潤滑する。Similarly, the lubricating oil that has passed through the oil passage 21 of the sun gear 5 1 and scattered to the central space 41 of the second lubricating oil guide member 22 by the centrifugal force is the guide portions 38b, 3 of the side plates 38, 39.
Guided by 9b, the gas flows into the eight oil supply passages 42, and from there, flows outward in the radial direction and flows into the oil supply pipes 40. Since the oil supply pipes 40 ... Are fitted in the oil passages 11 of the pinion shafts 9 2 ..., the lubricating oil inside the oil supply pipes 40 ... Flows into the oil passages 11 of the pinion shafts 9 2 ... To lubricate the needle bearings 10 ... Supporting the pinions 8 2 ...
【００３３】図８の（Ａ）はプラネタリキャリヤ６1 ，
６1 の側面に潤滑油案内部材を持たないものの潤滑効率
を示すグラフであり、（Ｂ）はプラネタリキャリヤ
６1 ，６ 1 の側面にシール部材を介して装着した潤滑油
案内部材を持つもの（前記従来例に相当）の潤滑効率を
示すグラフであり、（Ｃ）は第１実施例のものの潤滑効
率を示すグラフである。FIG. 8A shows the planetary carrier 6.1,
61Efficiency without a lubricating oil guide member on the side of
And (B) is a planetary carrier.
61, 6 1Oil attached to the side of the seal through a seal member
The lubrication efficiency of the one with a guide member (corresponding to the conventional example)
It is a graph which shows, (C) is the lubrication effect of the thing of 1st Example.
It is a graph which shows a rate.
【００３４】これらの図を比較すると明らかなように、
（Ａ）のものは潤滑効率が極めて低く、（Ｂ）のものは
１０００ｒｐｍ以下の回転数では比較的に高い潤滑効率
を発揮するが、それ以上の回転数で潤滑効率が急激に低
下している。一方、（Ｃ）に示す本実施例のものは、全
ての回転数領域で極めて高い潤滑効率を発揮しているこ
とが分かる。As is clear from a comparison of these figures,
The lubricating efficiency of (A) is extremely low, and the lubricating efficiency of (B) is relatively high at a rotation speed of 1000 rpm or less, but the lubrication efficiency is drastically reduced at a rotation speed of more than 1000 rpm. . On the other hand, it can be seen that the example of this example shown in (C) exhibits extremely high lubrication efficiency in all rotational speed regions.
【００３５】このように、第１潤滑油案内部材１８に設
けた給油管３４…及び第２潤滑油案内部材２２に設けた
給油管４０をピニオンシャフト９1 …，９2 …の油路１
１…に嵌合させたので、メインシャフト３から供給され
る潤滑油を効果的にピニオンシャフト９1 …，９2 …の
油路１１…に導いてピニオン８1 …，８2 …を確実に潤
滑することができる。しかも、第１潤滑油案内部材１８
及び第２潤滑油案内部材２２はシール部材を一切使用し
ていないので、シール部材の不良や劣化による潤滑効率
の低下が発生することがない。In this way, the oil supply pipes 34 provided on the first lubricating oil guide member 18 and the oil supply pipes 40 provided on the second lubricating oil guide member 22 are connected to the oil passages 1 of the pinion shafts 9 1, ..., 9 2 .
Because fitted to 1 ..., effectively pinion shaft 9 1 ... lubricating oil supplied from the main shaft 3, 9 2 ... oil passages 11 ... to lead pinion 8 1 ... of 8 2 ... reliably Can be lubricated. Moreover, the first lubricating oil guide member 18
Since the second lubricating oil guide member 22 does not use any seal member, the deterioration of the lubrication efficiency due to the defect or deterioration of the seal member does not occur.
【００３６】次に、図９及び図１０に基づいて第２潤滑
油案内部材２２の第２実施例を説明する。Next, a second embodiment of the second lubricating oil guide member 22 will be described with reference to FIGS. 9 and 10.
【００３７】この第２潤滑油案内部材２２は、案内板３
７を備えておらず、右側板３８及び左側板３９が外周部
において直接結合される。左側板３９をプレス成形する
際に、この左側板３９に８本の凹部３９ｄ…を放射状に
形成することにより、右側板３８及び左側板３９間に給
油管４０…に連通する８本の給油通路４２…を構成する
ことができる。尚、右側板３８だけ、或いは右側板３８
及び左側板３９の両方に凹部を形成して給油通路４２…
を構成しても良い。The second lubricating oil guide member 22 includes the guide plate 3
7, the right side plate 38 and the left side plate 39 are directly joined at the outer peripheral portion. When the left side plate 39 is press-molded, eight recesses 39d ... Are radially formed in the left side plate 39 to form eight oil supply passages communicating with the oil supply pipes 40 between the right side plate 38 and the left side plate 39. 42 ... Can be configured. Incidentally, only the right side plate 38 or the right side plate 38
And the left side plate 39 are provided with recesses to form the oil supply passages 42 ...
May be configured.
【００３８】この第２実施例によれば、第１実施例に比
べて部品点数を削減しながら同様の作用効果を達成する
ことができる。According to the second embodiment, it is possible to achieve the same operational effect while reducing the number of parts as compared with the first embodiment.
【００３９】次に、図１１及び図１２に基づいて第２潤
滑油案内部材２２の第３実施例を説明する。Next, a third embodiment of the second lubricating oil guide member 22 will be described with reference to FIGS. 11 and 12.
【００４０】この第２潤滑油案内部材２２は、内周が開
放した環状のガイド部４３を備えており、このガイド部
の外周にＬ字状に屈曲した８本のパイプ材４４…が放射
状に固着される。パイプ材４４…の基端部は給油通路４
２を構成し、パイプ材４４…の先端部はピニオンシャフ
ト９2 …の油路１１…に嵌合する給油管４０…を構成す
る。The second lubricating oil guide member 22 is provided with an annular guide portion 43 having an open inner periphery, and eight pipe members 44 ... Which are bent in an L-shape are radially formed on the outer periphery of the guide portion. It is fixed. The base end portion of the pipe material 44 is the oil supply passage 4
2, and the tip end portions of the pipe members 44 form the oil supply pipes 40 that are fitted into the oil passages 11 of the pinion shaft 9 2 .
【００４１】この第３実施例によれば、第２実施例に比
べて更に部品点数を削減しながら同様の作用効果を達成
することができる。According to the third embodiment, it is possible to achieve the same operational effect while further reducing the number of parts as compared with the second embodiment.
【００４２】以上、本発明の実施例を詳述したが、本発
明はその要旨を逸脱しない範囲で種々の設計変更を行う
ことが可能である。Although the embodiments of the present invention have been described in detail above, the present invention can be modified in various ways without departing from the scope of the invention.
【００４３】例えば、潤滑油案内部材１８，２２の材質
として各種金属や合成樹脂を使用することができ、その
組立手段もロー付けや接着以外にカシメや溶着等の適宜
の手段を採用することができる。For example, various metals and synthetic resins can be used as the material of the lubricating oil guide members 18 and 22, and assembling means other than brazing or bonding, an appropriate means such as caulking or welding can be adopted. it can.
【００４４】[0044]
【発明の効果】以上のように、請求項１に記載された発
明によれば、中心軸の油路から供給される潤滑油を潤滑
油案内部材の給油通路及び給油管を介して確実にピニオ
ンシャフトの油路に供給することができるので、ピニオ
ンの潤滑効率が向上する。しかも、潤滑油案内部材にシ
ール部材を用いていないので、シール部材の不良や劣化
による潤滑性能の低下が発生しない。As described above, according to the first aspect of the present invention, the lubricating oil supplied from the oil passage of the central shaft is surely passed through the oil supply passage of the lubricating oil guide member and the oil supply pipe. Since it can be supplied to the oil passage of the shaft, the lubrication efficiency of the pinion is improved. Moreover, since the seal member is not used as the lubricating oil guide member, the deterioration of the lubrication performance due to the defect or deterioration of the seal member does not occur.
【００４５】また請求項２に記載された発明によれば、
半径方向に延びる切欠きを形成した案内板の両側面を側
板で覆うことにより、少ない部品点数で給油通路を簡単
に形成することができる。According to the invention described in claim 2,
By covering the both side surfaces of the guide plate having the notch extending in the radial direction with the side plates, the oil supply passage can be easily formed with a small number of parts.
【００４６】また請求項３に記載された発明によれば、
２枚の側板の少なくとも一方に半径方向に延びる凹部を
形成して両側板を外周部で結合することにより、少ない
部品点数で給油通路を簡単に形成することができる。According to the invention described in claim 3,
By forming a recess extending in the radial direction on at least one of the two side plates and connecting the both side plates at the outer peripheral portion, the oil supply passage can be easily formed with a small number of parts.
【００４７】また請求項４に記載された発明によれば、
給油通路及び給油管を概略Ｌ字状に屈曲したパイプ材で
形成したので部品点数が削減される。According to the invention described in claim 4,
Since the oil supply passage and the oil supply pipe are formed of a pipe material that is bent in a substantially L shape, the number of parts is reduced.
【００４８】また請求項５に記載された発明によれば、
給油通路に潤滑油を導くガイド部を潤滑油案内部材の内
周部に設けたので、潤滑油の漏れが最小限に抑えられて
ピニオンの潤滑効率が向上する。According to the invention described in claim 5,
Since the guide portion that guides the lubricating oil to the oil supply passage is provided on the inner peripheral portion of the lubricating oil guide member, the leakage of the lubricating oil is minimized, and the lubrication efficiency of the pinion is improved.
【図１】自動車用トランスミッションの部分断面図FIG. 1 is a partial sectional view of an automobile transmission.
【図２】図１の２−２線拡大矢視図FIG. 2 is an enlarged arrow view taken along line 2-2 of FIG.
【図３】図２の３−３線断面図3 is a sectional view taken along line 3-3 of FIG.
【図４】第１潤滑油案内部材の分解斜視図FIG. 4 is an exploded perspective view of a first lubricating oil guide member.
【図５】図１の５−５線拡大矢視図5 is a magnified view taken along line 5-5 of FIG.
【図６】図５の６−６線断面図6 is a sectional view taken along line 6-6 of FIG.
【図７】第２潤滑油案内部材の分解斜視図FIG. 7 is an exploded perspective view of a second lubricating oil guide member.
【図８】潤滑効果を説明するグラフFIG. 8 is a graph explaining the lubrication effect.
【図９】第２潤滑油案内部材の第２実施例に係る、前記
図２に対応する図FIG. 9 is a view corresponding to FIG. 2 according to the second embodiment of the second lubricating oil guide member.
【図１０】図９の１０−１０線断面図10 is a sectional view taken along line 10-10 of FIG.
【図１１】第２潤滑油案内部材の第３実施例に係る、前
記図２に対応する図FIG. 11 is a view corresponding to FIG. 2 according to the third embodiment of the second lubricating oil guide member.
【図１２】図１１の１２−１２線断面図12 is a sectional view taken along line 12-12 of FIG.
３ メインシャフト（中心軸） ６1 プラネタリキャリヤ ６2 プラネタリキャリヤ ８1 ピニオン ８2 ピニオン ９1 ピニオンシャフト ９2 ピニオンシャフト １１ 油路 １６ 油路 １８ 第１潤滑油案内部材（潤滑油案内部材） ２０ 油路 ２２ 第２潤滑油案内部材（潤滑油案内部材） ３１ 案内板 ３１ｂ 切欠き ３２ 右側板（側板） ３２ｂ ガイド部 ３３ 左側板（側板） ３４ 給油管 ３６ 給油通路 ３７ 案内板 ３７ｂ 切欠き ３８ 右側板（側板） ３８ｂ ガイド部 ３９ 左側板（側板） ３９ｂ ガイド部 ３９ｄ 凹部 ４０ 給油管 ４２ 給油通路 ４３ ガイド部 ４４ パイプ材3 Main shaft (center axis) 6 1 Planetary carrier 6 2 Planetary carrier 8 1 Pinion 8 2 Pinion 9 1 Pinion shaft 9 2 Pinion shaft 11 Oil passage 16 Oil passage 18 First lubricating oil guide member (lubricating oil guide member) 20 Oil Road 22 Second lubrication oil guide member (lubrication oil guide member) 31 Guide plate 31b Notch 32 Right side plate (side plate) 32b Guide portion 33 Left side plate (side plate) 34 Oil supply pipe 36 Oil supply passage 37 Guide plate 37b Notch 38 Right side plate (Side plate) 38b Guide part 39 Left side plate (side plate) 39b Guide part 39d Recess 40 Oil supply pipe 42 Oil supply passage 43 Guide part 44 Pipe material
Claims (5)
持するピニオンシャフト（９1 ，９2 ）に形成した油路
（１１）が開口するプラネタリキャリヤ（６ 1 ，６2 ）
の側面に概略環状の潤滑油案内部材（１８，２２）を固
定し、プラネタリキャリヤ（６1 ，６2 ）の中心を貫通
する中心軸（３）に形成した油路（１６，２０）から潤
滑油案内部材（１８，２２）を介して前記ピニオンシャ
フト（９1 ，９2 ）の油路（１１）に潤滑油を供給する
遊星歯車機構の潤滑油供給構造において、 前記潤滑油案内部材（１８，２２）は、半径方向内端が
開口する給油通路（３６，４２）と、この給油通路（３
６，４２）の半径方向外端に連なってピニオンシャフト
（９1 ，９2 ）に形成した油路（１１）に嵌合する給油
管（３４，４０）とを有することを特徴とする遊星歯車
機構の潤滑油供給構造。1. A pinion (81, 82) Is rotatably supported
Hold pinion shaft (91, 92) Oil passage formed in
Planetary carrier (6) 1, 62)
On the side surface of the
The planetary carrier (61, 62) Through the center
From the oil passages (16, 20) formed on the central axis (3)
The pinion shaft is provided via the oil guide members (18, 22).
Shift (91, 92) Supplying lubricating oil to the oil passage (11)
In the lubricating oil supply structure for a planetary gear mechanism, the lubricating oil guide members (18, 22) have inner ends in the radial direction.
The refueling passages (36, 42) that open and the refueling passages (3
6, 42) The pinion shaft is connected to the radially outer end.
(91, 92) The oil supply that fits in the oil passage (11) formed in
A planetary gear having a pipe (34, 40)
Mechanism lubrication oil supply structure.
ｂ）を形成した案内板（３１，３７）の両側面を側板
（３２，３３，３８，３９）で覆うことにより前記給油
通路（３６，４２）を形成したことを特徴とする、請求
項１記載の遊星歯車機構の潤滑油供給構造。2. A notch (31b, 37) extending in the radial direction.
The oil supply passages (36, 42) are formed by covering both side surfaces of a guide plate (31, 37) formed with b) with side plates (32, 33, 38, 39). A lubricating oil supply structure for the planetary gear mechanism described.
一方に半径方向に延びる凹部（３９ｄ）を形成し、それ
ら側板（３８，３９）を外周部で結合することにより前
記給油通路（４２）を形成したことを特徴とする、請求
項１記載の遊星歯車機構の潤滑油供給構造。3. The oil supply passage (42) is formed by forming a recess (39d) extending in the radial direction on at least one of the two side plates (38, 39) and connecting the side plates (38, 39) at an outer peripheral portion. ) Is formed, the lubricating oil supply structure of the planetary gear mechanism according to claim 1.
概略Ｌ字状に屈曲したパイプ材（４４）で形成したこと
を特徴とする、請求項１記載の遊星歯車機構の潤滑油供
給構造。4. The lubricating oil supply for a planetary gear mechanism according to claim 1, wherein the oil supply passage (42) and the oil supply pipe (40) are formed by a pipe material (44) bent in a substantially L shape. Construction.
ガイド部（３２ｂ，３８ｂ，３９ｂ，４３）を潤滑油案
内部材（１８，２２）の内周部に設けたことを特徴とす
る、請求項１記載の遊星歯車機構の潤滑油供給構造。5. A guide portion (32b, 38b, 39b, 43) for guiding lubricating oil to the oil supply passages (36, 42) is provided on the inner peripheral portion of the lubricating oil guide member (18, 22). A lubricating oil supply structure for a planetary gear mechanism according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7076343A JPH08270767A (en) | 1995-03-31 | 1995-03-31 | Lubricating oil feeding structure for planetary gear mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7076343A JPH08270767A (en) | 1995-03-31 | 1995-03-31 | Lubricating oil feeding structure for planetary gear mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08270767A true JPH08270767A (en) | 1996-10-15 |
Family
ID=13602722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7076343A Pending JPH08270767A (en) | 1995-03-31 | 1995-03-31 | Lubricating oil feeding structure for planetary gear mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08270767A (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1319871A2 (en) * | 2001-12-14 | 2003-06-18 | Adam Opel Ag | Supplying lubricant for a planetary transmission |
| WO2009008192A1 (en) * | 2007-07-06 | 2009-01-15 | Aisin Aw Co., Ltd. | Lubricating oil supply device for automatic transmission |
| JP2009036369A (en) * | 2007-07-06 | 2009-02-19 | Aisin Aw Co Ltd | Lubricating oil feeding system of automatic transmission |
| US7909140B2 (en) * | 2004-09-24 | 2011-03-22 | Jatco Ltd | Lubricating structure of planetary gear mechanism |
| DE102011005724A1 (en) * | 2011-03-17 | 2012-09-20 | Zf Friedrichshafen Ag | Oil guide device for guiding intersecting oil flows in transmission housing of transmission, has rotating oil collecting element with separate oil path for associated oil flows, where oil collecting element is formed as annular shape |
| WO2013165769A1 (en) | 2012-04-30 | 2013-11-07 | United Technologies Corporation | Manifold for geared turbofan engine |
| JP2014181793A (en) * | 2013-03-21 | 2014-09-29 | Honda Motor Co Ltd | Lubrication structure of pinion |
| JP2015209849A (en) * | 2014-04-23 | 2015-11-24 | アイシン・エィ・ダブリュ株式会社 | Oil receiver |
| JP2016527456A (en) * | 2013-08-08 | 2016-09-08 | スネクマ | Planetary reduction gear with fluid transfer line and aircraft propeller turbomachine with such reduction gear |
| DE102015220723A1 (en) * | 2015-10-23 | 2017-01-05 | Schaeffler Technologies AG & Co. KG | Lubricating device for a planetary gear and method for producing a lubricating device |
| DE102016206745A1 (en) * | 2016-04-21 | 2017-10-26 | Zf Friedrichshafen Ag | planetary gear |
| DE102016222444A1 (en) * | 2016-11-16 | 2018-05-17 | Schaeffler Technologies AG & Co. KG | Assembly for a drive, drive and oil tray for the module or the drive |
| WO2018147161A1 (en) * | 2017-02-08 | 2018-08-16 | 武蔵精密工業株式会社 | Power transmitting device |
| KR20190075372A (en) * | 2017-12-21 | 2019-07-01 | 현대 파워텍 주식회사 | Oil Guide of Planetary Gear Set |
| BE1026439B1 (en) * | 2018-06-25 | 2020-02-04 | Punch Powertrain Nv | Planetary gear system and lubricating oil distributor suitable for use in such a planetary gear system |
| DE102020102241B3 (en) * | 2020-01-30 | 2021-04-29 | Schaeffler Technologies AG & Co. KG | Oil catch ring and planetary gear with one oil catch ring |
| DE102021125802B3 (en) | 2021-10-05 | 2022-12-01 | Schaeffler Technologies AG & Co. KG | oil pan |
| DE102021114344A1 (en) | 2021-06-02 | 2022-12-08 | Schaeffler Technologies AG & Co. KG | lubricant drip tray |
| DE102021114345A1 (en) | 2021-06-02 | 2022-12-08 | Schaeffler Technologies AG & Co. KG | lubricant drip tray |
-
1995
- 1995-03-31 JP JP7076343A patent/JPH08270767A/en active Pending
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1319871A2 (en) * | 2001-12-14 | 2003-06-18 | Adam Opel Ag | Supplying lubricant for a planetary transmission |
| EP1319871A3 (en) * | 2001-12-14 | 2006-09-27 | Adam Opel Ag | Supplying lubricant for a planetary transmission |
| US7909140B2 (en) * | 2004-09-24 | 2011-03-22 | Jatco Ltd | Lubricating structure of planetary gear mechanism |
| WO2009008192A1 (en) * | 2007-07-06 | 2009-01-15 | Aisin Aw Co., Ltd. | Lubricating oil supply device for automatic transmission |
| JP2009036369A (en) * | 2007-07-06 | 2009-02-19 | Aisin Aw Co Ltd | Lubricating oil feeding system of automatic transmission |
| US8167756B2 (en) | 2007-07-06 | 2012-05-01 | Aisin Aw Co., Ltd. | Lubricating oil supply device for automatic transmission |
| DE102011005724A1 (en) * | 2011-03-17 | 2012-09-20 | Zf Friedrichshafen Ag | Oil guide device for guiding intersecting oil flows in transmission housing of transmission, has rotating oil collecting element with separate oil path for associated oil flows, where oil collecting element is formed as annular shape |
| EP3832088A1 (en) * | 2012-04-30 | 2021-06-09 | Raytheon Technologies Corporation | Manifold for geared turbofan engine |
| EP2844853A4 (en) * | 2012-04-30 | 2016-02-24 | United Technologies Corp | Manifold for geared turbofan engine |
| WO2013165769A1 (en) | 2012-04-30 | 2013-11-07 | United Technologies Corporation | Manifold for geared turbofan engine |
| JP2014181793A (en) * | 2013-03-21 | 2014-09-29 | Honda Motor Co Ltd | Lubrication structure of pinion |
| JP2016527456A (en) * | 2013-08-08 | 2016-09-08 | スネクマ | Planetary reduction gear with fluid transfer line and aircraft propeller turbomachine with such reduction gear |
| JP2015209849A (en) * | 2014-04-23 | 2015-11-24 | アイシン・エィ・ダブリュ株式会社 | Oil receiver |
| DE102015220723A1 (en) * | 2015-10-23 | 2017-01-05 | Schaeffler Technologies AG & Co. KG | Lubricating device for a planetary gear and method for producing a lubricating device |
| DE102016206745A1 (en) * | 2016-04-21 | 2017-10-26 | Zf Friedrichshafen Ag | planetary gear |
| US10240670B2 (en) | 2016-04-21 | 2019-03-26 | Zf Friedrichshafen Ag | Planetary gearing |
| DE102016222444A1 (en) * | 2016-11-16 | 2018-05-17 | Schaeffler Technologies AG & Co. KG | Assembly for a drive, drive and oil tray for the module or the drive |
| CN110291309A (en) * | 2017-02-08 | 2019-09-27 | 武藏精密工业株式会社 | Transmission device |
| WO2018147161A1 (en) * | 2017-02-08 | 2018-08-16 | 武蔵精密工業株式会社 | Power transmitting device |
| US11047467B2 (en) | 2017-02-08 | 2021-06-29 | Musashi Seimitsu Industry Co., Ltd. | Transmission device |
| CN110291309B (en) * | 2017-02-08 | 2022-11-04 | 武藏精密工业株式会社 | Transmission device |
| KR20190075372A (en) * | 2017-12-21 | 2019-07-01 | 현대 파워텍 주식회사 | Oil Guide of Planetary Gear Set |
| BE1026439B1 (en) * | 2018-06-25 | 2020-02-04 | Punch Powertrain Nv | Planetary gear system and lubricating oil distributor suitable for use in such a planetary gear system |
| DE102020102241B3 (en) * | 2020-01-30 | 2021-04-29 | Schaeffler Technologies AG & Co. KG | Oil catch ring and planetary gear with one oil catch ring |
| DE102021114344A1 (en) | 2021-06-02 | 2022-12-08 | Schaeffler Technologies AG & Co. KG | lubricant drip tray |
| DE102021114345A1 (en) | 2021-06-02 | 2022-12-08 | Schaeffler Technologies AG & Co. KG | lubricant drip tray |
| DE102021114345B4 (en) | 2021-06-02 | 2022-12-29 | Schaeffler Technologies AG & Co. KG | lubricant drip tray |
| DE102021125802B3 (en) | 2021-10-05 | 2022-12-01 | Schaeffler Technologies AG & Co. KG | oil pan |
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