JPS59140962A - Lubricating device for differential mechanism - Google Patents

Lubricating device for differential mechanism

Info

Publication number
JPS59140962A
JPS59140962A JP1527283A JP1527283A JPS59140962A JP S59140962 A JPS59140962 A JP S59140962A JP 1527283 A JP1527283 A JP 1527283A JP 1527283 A JP1527283 A JP 1527283A JP S59140962 A JPS59140962 A JP S59140962A
Authority
JP
Japan
Prior art keywords
differential
oil
lubricating oil
differential gear
gear set
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
Application number
JP1527283A
Other languages
Japanese (ja)
Inventor
Haruki Takemoto
竹本 春樹
Seiji Izumimoto
泉本 清司
Masakatsu Miura
政勝 三浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aisin AW Co Ltd
Toyota Motor Corp
Original Assignee
Aisin AW Co Ltd
Toyota Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Aisin AW Co Ltd, Toyota Motor Corp filed Critical Aisin AW Co Ltd
Priority to JP1527283A priority Critical patent/JPS59140962A/en
Publication of JPS59140962A publication Critical patent/JPS59140962A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/042Guidance of lubricant
    • F16H57/0421Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/048Type of gearings to be lubricated, cooled or heated
    • F16H57/0482Gearings with gears having orbital motion
    • F16H57/0483Axle or inter-axle differentials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H48/00Differential gearings
    • F16H48/06Differential gearings with gears having orbital motion
    • F16H48/08Differential gearings with gears having orbital motion comprising bevel gears

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Motor Power Transmission Devices (AREA)
  • Retarders (AREA)
  • General Details Of Gearings (AREA)

Abstract

PURPOSE:To make good lubricating efficiency securable even in time of low engine revolution, by installing a trough whose downstream end serves as a side bearing lubrication port at the upper part of a differential gear set in a state of being tilted, while setting up a splattered oil collecting device at the upperstream side of this trough. CONSTITUTION:A trough 6 provided with each of a differential gear set lubrication port 63 at its intermediate part and a lubricating oil feed port 64 to a side bearing 55 at its downstream end is installed in the upper inner wall of a differential case 50 housing a differential mechanism 3 in a state of being tilted, with bolts 61 and 62. Also, at an upstream part 65 of the trough 6, a splattered oil collection device 1 composed of a shroud 81 disposed in an upper outer circumferential direction of a driving gear wheel 31 and a guide plate 82, which leads oil flowing in a gear rotation direction as sticking to this shroud 81 into the upstream side, is installed. Therefore, even in case of such a driving state that splattered oil by the gear 31 is few as in time of low speed running, the splattered oil is made so as to be surely collected and fed to a lubrication spot.

Description

【発明の詳細な説明】 本発明は車両に装着されるディファレンシャル機構の潤
滑に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to lubrication of a differential mechanism installed in a vehicle.

従来ディファレンシャルギアセットおよびデイファレン
シ12ルザイドベアリングの潤滑は、ディファレンシャ
ルケース内にディフルンシ1Fルギアはットが油中に浸
るまで潤滑油を入れるか、またはディフルンシャルギア
セットの駆動大ギアににる油の撹拌飛散に依っていた。
Conventionally, differential gear sets and differential 12 Luzide bearings are lubricated by pouring lubricating oil into the differential case until the differential 1F lugia cut is immersed in oil, or by pouring oil into the large driving gear of the differential gear set. This depended on the stirring and scattering of the particles.

しかるに、1〜ランスミツシヨンとディファレンシ11
ルギアセットとが一体的に形成された変速機ケース内に
装着される自動車用トランスアクスルm構においては、
オイルレベルが高いとトランスミッション部で油の撹拌
により油温が上荷し、これに伴いブリーザからAイルが
吹ぎ出す問題が生じるためオイルレベルを十分高くでき
ない。このため、低速走行時、および寒冷地にJ3いて
低温のため油の粘付が高い運転条件のとぎには、撹拌さ
れ飛散される潤滑油の量が不十分となりやずい。また長
時間車両を数回しておいた後はデイフルンシャルギアセ
ツi〜が油切れの状態になり、このJ:うな状態におい
て運転初期にスリップなどによる大きな差動が生じれば
ディファレンシャルギアセットの焼付が生じる原因と4
する。
However, 1-Lance transmission and differential 11
In an automobile transaxle m structure that is installed inside a transmission case that is integrally formed with a gear set,
If the oil level is high, the oil temperature will rise due to oil agitation in the transmission section, and this will cause the problem of oil blowing out of the breather, making it impossible to raise the oil level sufficiently. Therefore, when driving at low speeds or under operating conditions such as J3 in a cold region where the oil is highly viscous due to the low temperature, the amount of lubricating oil that is stirred and scattered is likely to be insufficient. Also, after the vehicle has been operated several times for a long period of time, the differential gear set I ~ will run out of oil, and if a large differential due to slipping occurs at the beginning of driving in this condition, the differential gear set Causes of seizure and 4
do.

本発明の目的は、オイルレベルを低くしても十分な潤滑
が可能であり、且つ低速時および寒冷地においても十分
な潤滑が可能であるとともに油切れ後の発進時において
も確実にデイフルンシトルギアLットJ5よびυイドベ
)7リングに潤滑油が供給できるディファレンシャル機
構の潤滑装置の提供にある。
The purpose of the present invention is to provide sufficient lubrication even at low oil levels, to provide sufficient lubrication even at low speeds and in cold regions, and to ensure that the differential engine is properly lubricated even when starting after running out of oil. The purpose of the present invention is to provide a lubricating device for a differential mechanism that can supply lubricating oil to gear LtJ5 and υidbe)7 rings.

本発明の他の目的は強制潤滑において生じやりい潤滑油
噴出用オリフィスの詰まりが低減できるディファレンシ
ャル機構の潤滑装置の提供にある。
Another object of the present invention is to provide a lubricating device for a differential mechanism that can reduce clogging of a lubricating oil jetting orifice that easily occurs during forced lubrication.

本発明のデイフルンシャル機構の潤滑装置は、一方がわ
に駆動大ギアが固着され、内部に差動ギアが設けられ、
両側に出力軸取利用のスリーブが突設され、周側に潤滑
油供給用の窓が設けられtcギアボックスを有するディ
′ファレンシャルギアセットと、前記ディファレンシ1
Fルギアセットを内包し、ギアボックスのスリーブをそ
れぞれデイファレンシrルサイドベアリングを介して回
転自在に支持し、他方がわのサイドベアリング嵌首部壁
にサイドベアリングへの潤滑油供給穴が設けられたディ
ノルンシャルケースと、前記ケース内に固着されるとと
もにディファレンシャルギアセラi〜の上方に前記一方
がわから他方がわに傾斜して配され、中流に前記ギアボ
ックスの窓に潤滑油を供給するデイフルンシャルギアセ
ット潤滑口が設けられ、下流が前記サイドベアリングへ
の潤滑油供給穴へ潤滑油を供給する1ノイドベアリング
潤滑口とされた樋と、駆動大ギアの上方に配されたシコ
ーラウド、およびシュワウ1ミに+J着した油を前記樋
の上流に導くがイド板からなる飛散油集合装置ヒを構成
とし、さらにはこれらに一方がわに駆動大ギアが固着さ
れ、内部に差動ギアが設けられ、両側に出力軸取付用の
スリーブが突設され、周側に潤滑油供給用の窓が設けら
れたギアボックスをイj′71るディファレンシャルギ
アセットと、前記ディファレンシャルギアセットを内包
し、ギアボックスのスリーブをそれぞれfイファレンシ
ャルサイドベアリングを介して回転自在に支持し、他方
がわのサイドベアリング嵌着部壁に1ノーイドベアリン
グへの潤滑油供給穴が設けられたデフアレンジ1tルケ
ースと、 前記ケース内に固着されるとともにディファレンシ!!
ルギアレッ1への上方に前記一方がわから他方がわに傾
斜して配され、中流に前記ギアボックスの窓に潤滑油を
供給するディファレンシトルギアセット潤滑口が設けら
れ、下流が前記サイドベアリングへの潤滑油供給穴へ潤
滑油を供給覆るサイドベアリング潤滑口とされた樋と、 前記駆動大ギアの上方に配されたシュラウド、およびシ
ュラウドに付着した油を前記樋の上流に導くカイト板か
らなる飛散油集合装置と前記ケース内に固着されるとと
もにディファレンシャルギアセットの上方または側方に
前記一方がわから他方がわに傾斜して配され、下流は前
記サイドベアリングへの潤滑油供給穴へ潤滑油を供給す
るサイドベアリング潤滑口とされたサイドベアリング潤
滑用価と、前進走行時のギアボックスの回転方向に急傾
斜し付着した油を前記サイドベアリング潤滑用価に集め
る前記サイドベアリング潤滑用価の上方のディファレン
シャルケース内壁どからなるサイドベアリング潤滑機構
とからなるディファレンシャルm構の潤浩装置を加えた
構成を有する。
The lubricating device for the differential mechanism of the present invention has a large drive gear fixed to one side, a differential gear provided inside,
A differential gear set having a TC gearbox with sleeves protruding from both sides for use in output shafts and a window for supplying lubricating oil on the circumferential side;
The Dinorn includes a gear set, rotatably supports each gearbox sleeve via a differential cylinder side bearing, and has a hole for supplying lubricating oil to the side bearing in the wall of the neck of the other side bearing. a differential gear cell case, which is fixed in the case, and is arranged above the differential gear cellar i~ with one side facing away from the other side, and supplying lubricating oil to the window of the gearbox in the midstream. A gutter is provided with a gear set lubrication port, the downstream side of which is a 1-noid bearing lubrication port for supplying lubricating oil to the lubricating oil supply hole to the side bearing, a shiko loud arranged above the large drive gear, and a schwa 1. A scattered oil collection device H is formed of an id plate to guide the oil that has landed on the M to the upstream of the gutter, and a large drive gear is fixed to one side of these, and a differential gear is provided inside. , a differential gear set including a gear box with sleeves for mounting an output shaft protruding from both sides and a window for supplying lubricating oil on the circumferential side; and a gear box containing the differential gear set. A differential arrangement 1t case, which rotatably supports the sleeves of the two through differential side bearings, and has a hole for supplying lubricating oil to the noid bearing in the wall of the side bearing fitting part on the other side; It is fixed inside the case and has a differential! !
A differential gear set lubricating port is provided above the lubricating gear arm 1 so as to be inclined from one side to the other side, and is provided with a differential gear set lubricating port that supplies lubricating oil to the window of the gearbox in the midstream, and downstream to the side bearing. A gutter that serves as a side bearing lubrication port that supplies lubricating oil to the lubricating oil supply hole of The scattered oil collection device is fixed in the case, and is arranged above or to the side of the differential gear set, with one side facing away from the other side, and the downstream side supplying lubricating oil to the lubricating oil supply hole to the side bearing. The upper side of the side bearing lubrication port is the side bearing lubrication port that supplies oil, and the side bearing lubrication port is steeply inclined in the direction of rotation of the gearbox during forward travel and collects the oil that adheres to the side bearing lubrication port. It has a configuration in which a side bearing lubrication mechanism consisting of the inner wall of the differential case and a lubrication device for the differential structure are added.

つぎに本発明を図に示す一実施例に基づき説明する。Next, the present invention will be explained based on an embodiment shown in the drawings.

1はトランスアクスル機構、2は1−ランスミッション
、3はディファレンシャル機構、4はディーノン7レン
シトルギアヒツト ルケース、50はその一部分であるデフアレンジ1tル
ケース、6はデイファレンシ1!ルケース50内に固着
されディファレンシャルギアセラ]〜の上方に配された
樋である。
1 is the transaxle mechanism, 2 is the 1-transmission, 3 is the differential mechanism, 4 is the Dinon 7-lane gear case, 50 is the differential arrangement 1t case which is a part of it, and 6 is the differential 1! This is a gutter fixed in the case 50 and arranged above the differential gear cell.

ディファレンシャル機構3は、トランスミッションの出
力ギア21に歯合された駆動大ギア31と、該駆動大ギ
ア31が一方側(図示左方がわ、以下同じ)に締結され
、回転軸方向両側に出力軸である車軸の挿入穴33、3
4を形成するためスリーブ35、36が突設され、周側
に潤滑用の窓37(38)が形成されたギアボックス3
2と、該ギアボックスに固定された支軸41、支軸41
に回転自在に支持された一対の差動車ギア42、43お
よびイれぞれ該一対の差動車ギア42、43に歯合し、
車軸(図示せず)にスプライン嵌合された差動大ギア4
4、45からなるディファレンシャルギアセット4とか
らなる。
The differential mechanism 3 includes a large drive gear 31 that meshes with the output gear 21 of the transmission, the large drive gear 31 is fastened to one side (the left side in the figure, the same applies hereinafter), and output shafts are provided on both sides in the rotational axis direction. The axle insertion hole 33, 3
A gearbox 3 in which sleeves 35 and 36 are protruded to form a gearbox 3 and a lubrication window 37 (38) is formed on the circumferential side.
2, a support shaft 41 fixed to the gearbox, and a support shaft 41
a pair of differential gears 42 and 43 that are rotatably supported by and mesh with the pair of differential gears 42 and 43, respectively;
A large differential gear 4 spline-fitted to the axle (not shown)
It consists of a differential gear set 4 consisting of 4 and 45.

ディフルンシャルケース50には前記ギアボックスのス
リーブ35、36と同軸的に筒状ボス部52、53が設
けられ、該ボス部52、53の内周と前記スリーブ35
、3Gとの間にはディファレンシャルザイドベアリング
54、55が介在されており前記ギアボックスはこのサ
イドベアリング54、55を介してケース5季に回転自
在に支持され、さらにボス部52、53のベアリング5
4、55の外がわには車軸との間隙をシールするオイル
シール56、57が嵌め込まれている。
The differential case 50 is provided with cylindrical boss portions 52 and 53 coaxially with the sleeves 35 and 36 of the gearbox, and the inner periphery of the boss portions 52 and 53 and the sleeve 35
, 3G, differential side bearings 54, 55 are interposed between the side bearings 54, 55, and the gearbox is rotatably supported by the case 5 through the side bearings 54, 55.
Oil seals 56 and 57 are fitted on the outer sides of the wheels 4 and 55 to seal the gap with the axle.

デフアレンジ1tルケース50のり°イドベアリング5
5のアウターレースが嵌着されたボス部53のケース内
がわ部には、上方からベアリング55とオイルシール5
7とで作られた空間へ潤滑油を供給するためのサイドベ
アリング55の潤滑油供給用穴58が形成されている。
Differential arrangement 1t case 50° id bearing 5
A bearing 55 and an oil seal 5 are installed from above on the inner side of the case of the boss portion 53 into which the outer race of No. 5 is fitted.
A lubricating oil supply hole 58 of the side bearing 55 is formed for supplying lubricating oil to the space created by the side bearing 55 and the lubricating oil supply hole 58.

樋6はボルト61、62でディフンIレンジ+りレケー
ス50の内壁に締結され、駆動大ギア31がわが上流、
サイドベアリング55がわが下流とされ、中流には前記
ギアボックスの窓37(38)との上方となる位げに本
実施例では穴であるディファレンシトルギアセッ1−潤
滑口63が形成され、下流端は前記サイドベアリング5
5の潤滑油供給用穴58に上方に設定され本実施例では
樋状の潤滑油供給し164とされている。また樋6の中
心には上流から供給された潤滑油を分流するり766が
形成され、前記ディファレンシ1?ルギアセット潤滑口
65は分流の一方に形成される。これによりディフルン
シャルギアセット4と→Jイドベアリング55とへ供給
される潤滑油岨を適切に分配できる。
The gutter 6 is fastened to the inner wall of the differential case 50 with bolts 61 and 62, and the large drive gear 31 is connected to the upstream side of the
The side bearing 55 is located downstream, and a differential gear set 1-lubricating port 63, which is a hole in this embodiment, is formed in the midstream above the window 37 (38) of the gearbox, and the downstream The end is the side bearing 5
In this embodiment, a gutter-shaped lubricating oil supply hole 164 is set above the lubricating oil supply hole 58 of No. 5. Also, a channel 766 is formed in the center of the gutter 6 to divert the lubricating oil supplied from upstream, and the differential 1? The gear set lubrication port 65 is formed on one side of the branch. As a result, the lubricating oil supplied to the differential gear set 4 and the J-id bearing 55 can be appropriately distributed.

7は樋6の上流65の上方に設【ノられた止め板71と
該市め板11方向に潤滑油を噴出する潤滑油噴出ロア2
とからなる潤滑油供給機構であり、本実施例では止め板
71は樋と一体で板金成形され、噴出ロア2は、ディフ
ァレンシャルケース50の壁内に形成された潤滑油の圧
油供給油路13と、該圧油供給油路73の出口に嵌着さ
れ1=オリフイス74付栓75からなる。この圧油供給
路73はトランスミッションが、油圧制御vA@により
制御される自動式である場合には該油圧制御装置の潤滑
油供給路に連絡され、手動式である場合にはオイルポン
プを装着してオイルポンプの吐出口に連絡される。この
潤滑油供給機構7により車両の発進前にディフルンシト
ルギアセット4およびサイドベアリング55は強制潤滑
されるので、車両を長期間放置し、ディフルンシ(・ル
ギアセットが油切れの状態にあってもスムーズな発進が
なされる。また低速走行時において駆動大ギア、ギアボ
ックスなどにJ:る油の飛散量が少ないときでも必要量
の潤滑油の供給ができる。さらにti16を用いて潤滑
油供給油路を形成しているため、パイプと該バイブに形
成したオリフィスとで潤滑油供給油路を形成した場合に
生じる潤滑油噴出用オリフィスの目詰まりが防止される
7 is a stop plate 71 installed above the upstream 65 of the gutter 6 and a lubricating oil spouting lower 2 that spouts lubricating oil in the direction of the stop plate 11.
In this embodiment, the stop plate 71 is integrally formed with the gutter and is formed of sheet metal, and the jet lower 2 is connected to the pressure oil supply passage 13 for lubricating oil formed in the wall of the differential case 50. The plug 75 is fitted into the outlet of the pressure oil supply oil passage 73 and has an orifice 74 attached thereto. This pressure oil supply path 73 is connected to the lubricating oil supply path of the hydraulic control device when the transmission is an automatic type controlled by a hydraulic control vA@, and is connected to a lubricating oil supply path of the hydraulic control device when the transmission is a manual type. is connected to the oil pump discharge port. This lubricating oil supply mechanism 7 forcibly lubricates the differential gear set 4 and side bearings 55 before the vehicle starts, so even if the vehicle is left for a long period of time and the differential gear set is out of oil. A smooth start is achieved.Also, the necessary amount of lubricating oil can be supplied even when the amount of oil splashed on the large drive gear, gear box, etc. is small when driving at low speeds.In addition, the lubricating oil supply oil can be supplied using the ti16. Since the pipe and the orifice formed in the vibrator form a lubricant oil passage, clogging of the lubricant jetting orifice that would occur when a lubricant supply oil path is formed by the pipe and the orifice formed in the vibrator is prevented.

8は樋6の上流65に設けられた駆動大ギア31による
飛散油集合装置であり、駆動大ギア31の上方・・の外
因方向に配されたシュラウド81と該シュラウド81に
付着して駆動大ギアの回転方向に流れる油をglGの上
流65に導(ガイド板82とからなる。本実施例ではガ
イド板82およびシュラウド81は樋6と一体で板金の
折り曲げにより製造されている。
Reference numeral 8 denotes a scattered oil collecting device using a large drive gear 31 provided upstream 65 of the gutter 6, and a shroud 81 disposed above the large drive gear 31 in the external direction, and a large drive gear attached to the shroud 81. The oil flowing in the rotational direction of the gear is guided to the upstream side 65 of the GlG (consisting of a guide plate 82. In this embodiment, the guide plate 82 and the shroud 81 are integrated with the gutter 6 and manufactured by bending a sheet metal.

この飛散油集合装置8は、低速走行時で駆動大ギア31
による撹拌され飛散される油が少ない運転条1′1にお
いても飛散された油を確実にディフルンシトルギアセッ
ト4および+J−イドベアリング55に供給し、中速走
行および高速走行時にはデCファレンシl−ルギアヒッ
1〜4d3J:びサイドベアリング55へ供給する潤滑
油を回転速度に応じて増大させ中高走行時にこれをディ
ファレンシャルギアおよびサイドベアリングに十分な潤
滑油を供給する。
This scattered oil collecting device 8 is operated by the driving large gear 31 when driving at low speed.
Even in the driving range 1'1 where there is less oil being stirred and scattered by the engine, the scattered oil is reliably supplied to the differential gear set 4 and the +J-id bearing 55, and during medium-speed and high-speed driving, it is possible to - Lugia H1-4d3J: The lubricating oil supplied to the side bearings 55 is increased in accordance with the rotational speed, and this is used to supply sufficient lubricating oil to the differential gears and side bearings during medium and high-speed running.

9はサイドベアリングf’J滑機横であり、υイドベア
リング55方向に傾斜するかまたはぽば水平に配される
と共に前進走行時のギアボックス32の回転方向に傾斜
し、縁95は幾分上方に曲げ返された油受板91および
ディファレンシャルケース内壁に=突設されると共に前
記油受板91の縁95と当接したフィン93で構成され
る他方がね端はサイドベアリング55の潤滑油供給穴5
8への潤滑油供給口とされサイドベアリング潤滑用樋9
2と、サイドベア5リング潤滑穴方向に下がるよう傾斜
し、前進走行時のギアボックス32の回転方向に急降下
した該tiI92の上方のディファレンシャルケース内
壁94とで構成される。油受板91は本実施例では樋6
の中下流域の側方に一体板金されている。
Reference numeral 9 denotes a side bearing f'J sliding side, which is inclined in the direction of the υ side bearing 55 or arranged horizontally, and is also inclined in the direction of rotation of the gearbox 32 during forward travel, and the edge 95 is slightly The other end consists of an oil receiving plate 91 bent back upwards and a fin 93 protruding from the inner wall of the differential case and in contact with the edge 95 of the oil receiving plate 91. Supply hole 5
Side bearing lubrication gutter 9 serves as a lubricating oil supply port to 8.
2, and an inner wall 94 of the differential case above the TiI 92, which is inclined downward in the direction of the side bear 5 ring lubrication hole and steeply descended in the direction of rotation of the gearbox 32 during forward travel. The oil receiving plate 91 is the gutter 6 in this embodiment.
The sides of the middle and downstream areas are made of integral sheet metal.

このサイドベアリング潤滑i構は、主にギアボックス3
2および駆動大ギア31により飛散された油がケース内
壁94に付着し、動力の作用でケース内壁に沿うかまた
は油受板91に落下後油受板91に沿って油受板91と
フィン93とで構成されるサイドベアリング潤滑用樋9
2.まで潰り下り、該樋92の上を下流に下って潤滑穴
58に油が流し込まれ、高速時にお番プるサイドベアリ
ング55の潤滑不足を解消する。このサイドベアリング
潤滑機構におけるり°イドベアリング潤滑用樋92はフ
ィン93を大きく突出させて溝を形成することでフィン
93とタース内壁94とのみでも構成でき、さらには縁
95の曲げ返しを大きくづることで油受板91のみでも
構成できる。
This side bearing lubrication structure is mainly used for gearbox 3.
2 and the large drive gear 31 adhere to the inner wall of the case 94, and due to the action of the power, the oil either follows the inner wall of the case or falls onto the oil receiving plate 91 and then moves along the oil receiving plate 91 and the fins 93. Side bearing lubrication gutter 9 consisting of
2. The oil flows downstream over the gutter 92 and flows into the lubrication hole 58, resolving the lack of lubrication of the side bearing 55 that operates at high speeds. In this side bearing lubrication mechanism, the side bearing lubrication gutter 92 can be configured with only the fins 93 and the tars inner wall 94 by making the fins 93 protrude greatly to form a groove, and furthermore, the bending of the edge 95 can be greatly increased. Therefore, the oil receiving plate 91 can be used alone.

この樋92は軸方向または/および回転方向に対しほぼ
水平に配されてし良く、たとえばサイドベアリングがわ
端を縁なし、該縁なし端と水平の位置にある他端を縁有
りとする°ことで樋92土の油は十分に+jイドベアリ
ング55方向に流れる。
The gutter 92 may be disposed approximately horizontally with respect to the axial direction and/or the rotational direction, and for example, the side bearing side end may be borderless, and the other end, which is horizontal to the borderless end, may be bordered. As a result, the oil in the soil of the gutter 92 sufficiently flows in the direction of the +j id bearing 55.

なお1ノイドベアリング54の潤滑はトランスミッショ
ンからの流入によりなされ通常潤滑不足は生゛じない。
Note that the 1-noid bearing 54 is lubricated by the inflow from the transmission, and normally lack of lubrication does not occur.

以上の如く本発明のディファレンシャル機構の潤滑装置
は、一方がわに駆動大ギアが固着され、内部に差動ギア
が設番ノられ、両側に出力軸取付用のスリーブが突設さ
れ、周側に潤滑油供給用の窓が設りられたギアボックス
を有するディファレンシ+1ルギ77セッ1〜と、前記
デrファレンシャルギアセットを内包し、ギアボックス
のスリーブをそれぞれディファレンシャルサイドベアリ
ングを介して回転自在に支持し、他方がねのリーイドベ
アリング嵌着部壁にサイドベアリングへの潤滑油供給穴
が設けられたディファレンシャルケースど、前記ケース
内に固着されるとともにディファレンシ11ルギアセッ
トの上方に前記一方がわから他方がわに傾斜して配され
、中流に前記ギアボックスの窓に潤滑油を供給するディ
ファレンシトルギアセット潤滑口が設けられ、下流が前
記サイドベアリングへの潤滑油供給穴へ潤滑油を供給す
るサイドベアリング潤滑口とされた樋と、前記駆動大ギ
アの上方に配されたシュラウド、およびシュラウドにイ
」着した油を前記樋の上流に導くガイド板からなる飛散
油集合装置どからなるので、オイルレベルが低くても十
分な潤滑が可能であり、且つ低速時および寒冷地におい
ても十分な潤滑が可能であるとともに油切れ後の発進時
においても確実にディファレンシャルギアセットに潤滑
油が供給できる。また一方がわに駆動大ギアが固着され
、内部に差動ギアが設けられ、両側に出力軸取付用のス
リーブが突設され、周側に潤滑油供給用の窓が設けられ
たギアボックスを有するディファレンシャルギアセット
と、 前記ディファレンシIlルギアレツ1−を内包し、ギア
ボックスのスリーブをそれぞれディファレンシャルサイ
ドベアリングを介して回転自在に支持し、他方がわのサ
イドベアリング嵌肴部壁にサイドベアリングへの潤滑油
供給穴が設置Jられたディファレンシャルケースと、 前記ケース内に固着されるとともにデイフアレンジャル
ギアセッ1〜の上方に前記一方がわから他方がわに傾斜
して配され、中流に前記ギアボックスの窓に潤滑油を供
給するディファレンシャルギアはツ1〜潤消、口が設け
られ、下流が前記勺イドベアリングへの潤滑油供給穴へ
潤滑油を供給するサイドベアリング潤滑口とされIC樋
と、前記駆動大ギアの上方に配されたシュラウド、およ
びシュラウドに付着した油を前記樋の上流に導くガイド
板からなる飛散油集合装置と前記ケース内に固着される
とともにディファレンシャルギアセットの上方または側
方に前記一方がわhXら他方がわに傾斜して配され、下
流は前記Vイドベアリングへの潤滑油供給穴へ潤滑油を
供給するサイドベアリング潤滑口とされたサイドベアリ
ング潤滑機構と、前進走行時のギアボックスの回転方向
に急傾斜し付着した油を前記サイドベアリング潤滑用樋
に集める前記サイドベアリング潤滑用樋の上方のディフ
ァレンシャルケース内壁とからなるサイドベアリング潤
滑機構からなるディファレンシャル機構の潤滑装置を備
えることにより、中高速走行域におけるサイドベアリン
グの潤滑能力が向上できる。
As described above, the lubricating device for a differential mechanism of the present invention has a large drive gear fixed to one side, a differential gear numbered inside, a sleeve for mounting an output shaft protruding from both sides, and a peripheral side. The differential +1 Lugi 77 set 1~ has a gearbox with a window for supplying lubricating oil, and the differential gear set is included, and the sleeve of the gearbox is rotated through the differential side bearing. A differential case, which is freely supported and has a hole for supplying lubricating oil to the side bearing in the wall of the reed bearing fitting part of the other side, is fixed in the case and above the differential gear set 11. A differential gear set lubrication port is provided on one side and slanted on the other side, and the midstream side is provided with a differential gear set lubrication port that supplies lubricating oil to the window of the gearbox, and the downstream side is provided with a lubrication port that supplies lubrication oil to the side bearing. A scattered oil collection device consisting of a gutter serving as a side bearing lubrication port for supplying oil, a shroud disposed above the large driving gear, and a guide plate that guides the oil that has landed on the shroud to the upstream side of the gutter. This ensures sufficient lubrication even when the oil level is low, and provides sufficient lubrication even at low speeds and in cold regions.Also, even when starting after running out of oil, the lubricant is reliably supplied to the differential gear set. can be supplied. In addition, the gearbox has a large drive gear fixed to one side, a differential gear installed inside, a sleeve for mounting the output shaft protruding from both sides, and a window for lubricating oil supply on the circumference. a differential gear set having a differential gear set, and a differential gear set including the differential gearlet 1-, each sleeve of the gearbox is rotatably supported via a differential side bearing, and a side bearing fitting is provided on the wall of the side bearing fitting portion of the other side. a differential case in which a lubricating oil supply hole is installed; The differential gear for supplying lubricating oil to the window is provided with a lubricant port, and the downstream side is a side bearing lubricating port for supplying lubricating oil to the lubricating oil supply hole to the free bearing, and an IC gutter; A scattered oil collection device consisting of a shroud disposed above the large drive gear, and a guide plate that guides oil adhering to the shroud to the upstream side of the gutter, and a scattered oil collection device fixed within the case and located above or to the side of the differential gear set. The side bearing lubrication mechanism is arranged to be inclined from one side to the other side, and the downstream side is a side bearing lubrication port that supplies lubricating oil to the lubricating oil supply hole to the V-id bearing, and A lubricating device for a differential mechanism comprising a side bearing lubrication mechanism consisting of an inner wall of the differential case above the side bearing lubrication gutter that slopes steeply in the direction of rotation of the gearbox and collects the adhered oil into the side bearing lubrication gutter. By providing this, the lubrication ability of the side bearings in medium and high speed driving ranges can be improved.

【図面の簡単な説明】 第1図は本発明のディファレンシャル機構の潤滑装置の
正面断面図、第2図は平面図、第3図(ま側面断面図、
第4図は要部の斜視図である。 図中 1・・・1〜ランスアクスル機構 2・・・トラ
ンスミッション 3・・・デイファレンシトルア彼構・
・・ディファレンシャルギア廿ツ1−5・・・トランス
アクスルケース 6・・・樋 7・・・潤滑油供給奢幾
構8・・・飛散油集合装置 9・・・ザイドベアリング
潤滑機構 50・・・ディフルンシVルケース 54.
55・・・ディフルンシャルリーイドベアリング 第1図 第2図 第3図 第4図
[Brief Description of the Drawings] Fig. 1 is a front sectional view of a lubricating device for a differential mechanism of the present invention, Fig. 2 is a plan view, and Fig. 3 (also a side sectional view).
FIG. 4 is a perspective view of the main parts. In the diagram 1... 1 ~ Lance axle mechanism 2... Transmission 3... Differential seat mechanism
... Differential gear part 1-5 ... Transaxle case 6 ... Gutter 7 ... Lubricating oil supply structure 8 ... Spattered oil collection device 9 ... Zide bearing lubrication mechanism 50 ... Diffusion case 54.
55... Differential lead bearing Fig. 1 Fig. 2 Fig. 3 Fig. 4

Claims (1)

【特許請求の範囲】 1)一方がわに駆動大ヤアが固着され、内部に差動ギア
が設けられ、両側に出力軸取付用のスリーブが突設され
、周側に潤滑油供給用の窓が設けられたギアボックスを
有するディファレンシャルギアセットと、 前記ディファレンシャルギアセットを内包し、ギアボッ
クスのスリーブをそれぞれディフルンシレルリ゛イドベ
アリングを介して回転自在に支持し、他方がわのサイド
ベアリング嵌着部壁にサイドベアリングへの潤滑油供給
穴が設けられたディファレンシャルケースと、 前記ケース内に固着されるとともにディファレンシャル
ギアセラ1〜の上方に前記一方がわから他方がわに傾斜
して配され、中流に前記ギアボックスの窓に潤滑油を供
給するディファレンシャルギアセット潤滑口が酸1ノら
れ、下流が前記サイドベアリングへの潤滑油供給穴へ潤
滑油を供給するリイドベアリング潤滑口とされた樋と、 前記駆動大ギアの上方に配されたシュラウド、J3よび
シュラウドに付着した油を前記樋の」流に導くガイド板
からなる飛散油集合装置とからなるディファレンシャル
機構の潤滑装置。 2)一方がわに駆動大ギアが固着され、内部に差動ギア
が設けられ、両側に出力軸取付用のスリーブが突設され
、周側に潤滑油供給用の窓が設けられたギアボックスを
有するディフ7IレンジVルギ?セツを−と、 前記ディファレンシ(・ルギアセットを内包し、ギアボ
ックスのスリーブをそれぞれディファレンシャルサイド
ベアリングを介して回転自在に支持し、他方がわのサイ
ドベアリング嵌着部壁にサイドベアリングへの潤滑油供
給穴が設けられたディファレンシ1フルケースと、 前記ケース内に固着されるとどもにディファレンシトル
ギアセットの上方に前記一方がわが、ら他方がわに傾斜
して配され、中流に前記ギアボックスの窓に潤滑油を供
給するディファレンシ鴬・ルギjlヒッ1〜潤滑口が設
けられ、下流が前記サイドベアリングへの潤滑油供給穴
へfS’+滑油を供給づるサイドベアリング潤滑口とさ
れた樋と、 前記駆動大ギアの上方に配されたシュラウド、およびシ
ュラウドに付着した油を前記樋の上流に導くガイド板か
らなる飛散油集合装置と前記ケース内に固着されるとと
もにディノアレンシトルギアヒッ[−の上方または側方
に前記一方がわから他方がわに傾斜して配され、下流は
前記サイドベアリングへの潤滑油供給穴へ潤滑油、を供
給J−る→Jイドベアリング潤滑口とされたサイドベア
リング潤滑用樋と、前進定行時のギアボックスの回転方
向に急傾斜しイ」着した油を前記サイドベアリング潤滑
用樋に集める前記サイドベアリング潤滑用樋の上方のデ
ィファレンシャルケース内壁とからなるサイドベアリン
グ潤滑機構からなるデイフルンシャル機構の潤滑装置。 3)樋には分流用リブが設けられ、前記差動ギ゛ア潤滑
口は分流がわに形成されたことを特徴とする特許請求の
範囲第1項記載のディファレンシャル機構の潤滑装置。
[Claims] 1) A large drive shaft is fixed on one side, a differential gear is provided inside, a sleeve for mounting the output shaft is protruded from both sides, and a window for supplying lubricating oil is provided on the circumference. a differential gear set having a gear box provided with a differential gear set; and a differential gear set containing the differential gear set, each sleeve of the gear box being rotatably supported via a differential slide bearing, and the other side bearing fitted into the differential gear set. a differential case having a hole for supplying lubricating oil to the side bearings in the mounting wall; and a differential case fixed in the case and arranged above the differential gear cell 1 with one side facing away from the other side, A differential gear set lubricating port for supplying lubricating oil to the window of the gearbox is sprayed with acid on the midstream, and a gutter is used as a lead bearing lubricating port for supplying lubricating oil to the lubricating oil supply hole to the side bearing on the downstream side. A lubricating device for a differential mechanism comprising a shroud disposed above the large drive gear, a scattered oil collection device comprising a shroud and a guide plate that guides oil adhering to the shroud to the flow of the gutter. 2) A gearbox with a large driving gear fixed on one side, a differential gear inside, sleeves for mounting the output shaft protruding from both sides, and a window for lubricating oil supply on the circumference. Diff 7I range V Lugi with? The set includes the differential gear set, rotatably supports the sleeves of the gearbox via the differential side bearings, and lubricates the side bearings on the wall of the side bearing fitting part on the other side. A differential 1 full case provided with an oil supply hole, and a differential gear set fixed in the case and arranged above the differential gear set such that one side is inclined toward the other side, and the other side is inclined toward the midstream. A differential lubricating port is provided for supplying lubricating oil to the window of the gearbox, and the downstream side is a side bearing lubricating port that supplies fS' + lubricating oil to the lubricating oil supply hole to the side bearing. A spattered oil collection device consisting of a gutter, a shroud disposed above the large drive gear, and a guide plate that guides oil adhering to the shroud upstream of the gutter, and a Dino Allen device fixed in the case. The sittle gear is disposed above or to the side at an angle to the other side, and the downstream side supplies lubricating oil to the lubricating oil supply hole to the side bearing. a differential case above the side bearing lubrication gutter, which is steeply inclined in the rotational direction of the gearbox during forward motion, and collects the oil that has landed on the side bearing lubrication gutter; A lubricating device for a differential gear mechanism consisting of a side bearing lubrication mechanism consisting of an inner wall. 3) The gutter is provided with a rib for diverting flow, and the differential gear lubrication port is formed on the side of the diverter. A lubricating device for a differential mechanism according to claim 1.
JP1527283A 1983-01-31 1983-01-31 Lubricating device for differential mechanism Pending JPS59140962A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1527283A JPS59140962A (en) 1983-01-31 1983-01-31 Lubricating device for differential mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1527283A JPS59140962A (en) 1983-01-31 1983-01-31 Lubricating device for differential mechanism

Publications (1)

Publication Number Publication Date
JPS59140962A true JPS59140962A (en) 1984-08-13

Family

ID=11884220

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1527283A Pending JPS59140962A (en) 1983-01-31 1983-01-31 Lubricating device for differential mechanism

Country Status (1)

Country Link
JP (1) JPS59140962A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63202526U (en) * 1987-06-22 1988-12-27
FR2891885A1 (en) * 2005-10-12 2007-04-13 Peugeot Citroen Automobiles Sa Gear lubricating device for motor vehicle`s gearbox, has guiding unit with spout immobilized in case so as to be extended along portion of teeth, and supplying lubricant from base zone to reservoir when ring gear is driven in rotation
DE102006022573B4 (en) * 2005-05-20 2011-02-03 GM Global Technology Operations, Inc., Detroit Vehicle gearbox with an additional lubrication system
WO2015166821A1 (en) * 2014-04-28 2015-11-05 アイシン・エィ・ダブリュ株式会社 Power transmitting device
JP2017002957A (en) * 2015-06-08 2017-01-05 アイシン・エーアイ株式会社 Lubricant guide plate
EP3098480A3 (en) * 2015-05-26 2017-01-25 Hamilton Sundstrand Corporation Gear shroud to passively lubricate gearbox component
JP2018063037A (en) * 2016-10-14 2018-04-19 トヨタ自動車株式会社 Oil passage structure of power transmission device
KR20180062578A (en) * 2016-11-30 2018-06-11 현대 파워텍 주식회사 Oil guide apparatus for transmission
US20180266537A1 (en) * 2017-03-17 2018-09-20 Honda Motor Co., Ltd. Lubrication structure of power transmission device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55163364A (en) * 1979-06-02 1980-12-19 Nissan Diesel Motor Co Ltd Lubricating device of differential reduction gear for vehicle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55163364A (en) * 1979-06-02 1980-12-19 Nissan Diesel Motor Co Ltd Lubricating device of differential reduction gear for vehicle

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63202526U (en) * 1987-06-22 1988-12-27
JPH0516017Y2 (en) * 1987-06-22 1993-04-27
DE102006022573B4 (en) * 2005-05-20 2011-02-03 GM Global Technology Operations, Inc., Detroit Vehicle gearbox with an additional lubrication system
FR2891885A1 (en) * 2005-10-12 2007-04-13 Peugeot Citroen Automobiles Sa Gear lubricating device for motor vehicle`s gearbox, has guiding unit with spout immobilized in case so as to be extended along portion of teeth, and supplying lubricant from base zone to reservoir when ring gear is driven in rotation
EP1775499A1 (en) * 2005-10-12 2007-04-18 Peugeot Citroen Automobiles SA Lubrication device of at least one gear of a transmission
WO2015166821A1 (en) * 2014-04-28 2015-11-05 アイシン・エィ・ダブリュ株式会社 Power transmitting device
JP2015209940A (en) * 2014-04-28 2015-11-24 アイシン・エィ・ダブリュ株式会社 Power transmission device
US9885412B2 (en) 2014-04-28 2018-02-06 Aisin Aw Co., Ltd. Power transfer device
EP3098480A3 (en) * 2015-05-26 2017-01-25 Hamilton Sundstrand Corporation Gear shroud to passively lubricate gearbox component
US9879773B2 (en) 2015-05-26 2018-01-30 Hamilton Sundstrand Corporation Gear shroud to passively lubricate gearbox component
JP2017002957A (en) * 2015-06-08 2017-01-05 アイシン・エーアイ株式会社 Lubricant guide plate
JP2018063037A (en) * 2016-10-14 2018-04-19 トヨタ自動車株式会社 Oil passage structure of power transmission device
KR20180062578A (en) * 2016-11-30 2018-06-11 현대 파워텍 주식회사 Oil guide apparatus for transmission
US20180266537A1 (en) * 2017-03-17 2018-09-20 Honda Motor Co., Ltd. Lubrication structure of power transmission device
JP2018155350A (en) * 2017-03-17 2018-10-04 本田技研工業株式会社 Lubrication structure of power transmission device
CN108626364A (en) * 2017-03-17 2018-10-09 本田技研工业株式会社 The lubrication system of power transmission
US10920870B2 (en) 2017-03-17 2021-02-16 Honda Motor Co., Ltd. Lubrication structure of power transmission device

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