JPS5969568A - Lubrication device in power transmission device - Google Patents

Lubrication device in power transmission device

Info

Publication number
JPS5969568A
JPS5969568A JP18019982A JP18019982A JPS5969568A JP S5969568 A JPS5969568 A JP S5969568A JP 18019982 A JP18019982 A JP 18019982A JP 18019982 A JP18019982 A JP 18019982A JP S5969568 A JPS5969568 A JP S5969568A
Authority
JP
Japan
Prior art keywords
oil
oil passage
differential gear
housing
gear case
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
JP18019982A
Other languages
Japanese (ja)
Inventor
Kunio Otsuka
邦雄 大塚
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP18019982A priority Critical patent/JPS5969568A/en
Publication of JPS5969568A publication Critical patent/JPS5969568A/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
    • F16H57/048Type 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
    • 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
    • F16H57/0424Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes

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 enhance the characteristics of lubrication, by providing an oil sump in a housing supporting a differential gear casing, in the upper section of a vehicle, so that lubricating oil in the oil sump is forcedly applied in the casing by rotating the casing. CONSTITUTION:When a ring gear 3 is rotated in the direction of the arrow by being driven by an idler gear 4, lubricating oil in a housing 1 is splashed up in the same direction by the teeth of the ring gear 3, and therefore, is pooled in an oil sump 1c formed in the wall of the housing 1. A part of this lubricating oil is discharged to the side surface of a pinion main shaft 8 through oil passages 13 through 18, 11 and holes in a collar 23, and the remaining part of the lubricating oil is discharged to the pinion gear 9 supporting section of the above-mentioned shaft 8 through oil passages 24, 12, 26 under pressure by the above-mentioned splash-up and its weight. Then, lubricating oil reaches a meshed part between a side gear and a pinion gear 9 to lubricate the same part, and as well, to lubricate the pinion gear 9 supporting section of the pinion main shaft 8.

Description

【発明の詳細な説明】 本発明は、ディファレンシャルギヤケース内の回転半径
内方部を良好に潤滑できるようにした動力伝達装置の潤
滑構造に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lubrication structure for a power transmission device that can satisfactorily lubricate the inner part of the rotation radius in a differential gear case.

従来の動力伝達装置においては、ディファレンシャルギ
ヤケース内は略球形状の閉止された構造となっており、
その中に予め潤滑油を封じ込めておいて内部の歯車の噛
合等の潤滑を行っている。
In conventional power transmission devices, the inside of the differential gear case has a nearly spherical closed structure.
Lubricating oil is sealed in advance to lubricate the internal gears, etc.

しかしながら、このような従来の動力伝達装置にあって
は、上述のようにディファレンシャルギヤケース内はほ
ぼ閉止された構造となっていたため、外側から潤滑油を
補給することが困難で、一旦内部に封じ込められた潤滑
油はディファレンシャルギヤケースが回転するとその遠
心力により回転半径外方に抑流されて、回転半径内方部
の潤滑ができなくなるという問題点があった。
However, in such conventional power transmission devices, the inside of the differential gear case has a nearly closed structure as described above, making it difficult to replenish lubricating oil from the outside. There is a problem in that when the differential gear case rotates, the lubricating oil is suppressed to the outside of the rotation radius by the centrifugal force of the differential gear case, making it impossible to lubricate the inside of the rotation radius.

本発明はこのような従来の問題点に着目してなされたも
ので、ディファレンシャルギヤケースを回転自在に支持
しているハウジングの車両」二方に油溜りを設け、油溜
りとドライブシャフトに設けられた油路とを連通させ、
ディフアレンジャルギートケースの回転によってポンプ
アンプされた油溜り内の潤滑油をディファレンシャルギ
ヤケース内に強制的にi11′1fkさせることにより
、」二記問題点を解決することを目的としている。
The present invention has been made by focusing on such conventional problems.The present invention has been made by providing an oil reservoir on two sides of a vehicle housing that rotatably supports a differential gear case, and an oil reservoir provided in the oil reservoir and a drive shaft. communicate with the oil path,
The purpose of this invention is to solve the second problem by forcing the lubricating oil in the oil reservoir, which is pumped up by the rotation of the differential gear case, into the differential gear case.

以下、この発明を図面に基づいて説明する。The present invention will be explained below based on the drawings.

第1.2図は、この発明の一実施例を示す図である。FIG. 1.2 is a diagram showing an embodiment of the present invention.

まず構成を説明する。第1図において、■は車体に固定
されたハウジングであり、このハウジング1内にはディ
ファレンシャルギヤケース2が回転自在に収納されてい
る。ディファレンシャルギヤケース2の端部には他の駆
動手段すなわち図外の歯車により回転駆動されるリング
ギヤ3が一体的に固定されている。ディファレンシャル
ギヤケース2の内部にはディファレンシャルギヤを構成
するピニオンギヤ9及びサイドギヤ16や潤滑油が収納
されている。ディファレンシャルギヤケース2にドライ
ブシャフト5の中間部が回転自在に支持され、このドラ
イブシャフト5はディファレンシャルギヤケース2内の
サイドギヤ6にスプライン結合している。
First, the configuration will be explained. In FIG. 1, the reference numeral ``■'' indicates a housing fixed to the vehicle body, and a differential gear case 2 is rotatably housed within the housing 1. As shown in FIG. A ring gear 3 is integrally fixed to an end of the differential gear case 2 and is rotationally driven by another drive means, that is, a gear not shown. Inside the differential gear case 2, a pinion gear 9 and a side gear 16 constituting a differential gear and lubricating oil are housed. An intermediate portion of a drive shaft 5 is rotatably supported by the differential gear case 2, and the drive shaft 5 is spline-coupled to a side gear 6 within the differential gear case 2.

また、ドライブシャフト5の他端部には図外の車輪が連
結されている。さらに、ディファレンシャルギヤケース
2には、その軸線がディファレンシャルギヤケース2の
回転軸線と直交するようピニオンメートシャフト8の両
端が固定されている。このピニオンメートシャフト8は
ディファレンシャルギヤケース2内のビニオンギ」1・
9を回転自在に支持している。上述の一対のサイドギヤ
6と、−の一対のピニオンギヤ9とは互いに噛合してい
る。ハウジング1はトランスミッションケース 101
と、トランスミッションケース101に図示しないボル
トで固定されるコンバータハウジング102と、トラン
スミッションケース 101にポル]・で固定されたベ
アリングリテーナ 103と、ヘアリングリテーナ 1
03に圧入固定されたシール部材104より構成されて
いる。第2図は、第1図のA矢視概略図であり、回内の
仮想線は潤滑油を示したものである。この図において、
1はハウジング、3はリングギヤであり、4はリングギ
ヤ3を駆動するアイドラ歯車である。1aは、第1図に
示すように、ハウジング1における最大径を有する部屋
である。この部屋1aの下方には潤滑油が収納されてお
り、その上方には壁1bにより油溜り1cが形成されて
いる。再び第1図において、11及び18はドライブシ
ャフト5に形成されたL字型の第1油路であり、油路1
1はドライブシャフト5の軸線部に形成され、油路18
は半径方向に複数個設けである。17はディファレンシ
ャルギヤケース2の内周と外周とを連通し、油路lBに
連通する第2油路であり、13〜16はトランスミ・ノ
ションケース101、ベアリングリテーナ103、シー
ル部t、t 104、ディファレンシャルギヤケース2
に設けられると共に第2油路18と油溜り】Cとを連通
ずる第3油路である。ハウジング1とディファレンシャ
ルギヤケース2、およびディファレンシャルギヤケース
2とドライブシャフト5とは互いに回転自在になってい
るため、油路16と油路17とは環状ミゾ20を介して
連通し、油路17と油路18とは環状ミゾ21を介して
連通している。油路IIの一端部にはカラー23が嵌合
しており、カラー詔に対向するピニオンメートシャフト
8の部分にはピニオンメートシャフト8の軸線部に形成
された油路12と連通する油路24が形成されている。
Further, a wheel (not shown) is connected to the other end of the drive shaft 5. Further, both ends of a pinion mate shaft 8 are fixed to the differential gear case 2 so that its axis is orthogonal to the rotational axis of the differential gear case 2. This pinion mate shaft 8 is a pinion gear in the differential gear case 2.
9 is rotatably supported. The pair of side gears 6 and the pair of negative pinion gears 9 mesh with each other. Housing 1 is transmission case 101
, a converter housing 102 fixed to the transmission case 101 with bolts (not shown), a bearing retainer 103 fixed to the transmission case 101 with bolts, and a hair ring retainer 1.
It is composed of a seal member 104 that is press-fitted and fixed to 03. FIG. 2 is a schematic view taken in the direction of arrow A in FIG. 1, and the imaginary line of pronation indicates lubricating oil. In this diagram,
1 is a housing, 3 is a ring gear, and 4 is an idler gear that drives the ring gear 3. 1a is a room having the largest diameter in the housing 1, as shown in FIG. Lubricating oil is stored below this room 1a, and above it an oil reservoir 1c is formed by a wall 1b. Referring again to FIG. 1, 11 and 18 are L-shaped first oil passages formed in the drive shaft 5;
1 is formed on the axis of the drive shaft 5, and an oil passage 18
A plurality of them are provided in the radial direction. 17 is a second oil passage that communicates between the inner and outer peripheries of the differential gear case 2 and communicates with the oil passage IB; 13 to 16 are the transmission/notion case 101, the bearing retainer 103, the seal portions t, t 104, Differential gear case 2
This is a third oil passage which is provided in the second oil passage 18 and communicates with the oil reservoir [C]. Since the housing 1 and the differential gear case 2 and the differential gear case 2 and the drive shaft 5 are mutually rotatable, the oil passage 16 and the oil passage 17 communicate with each other via the annular groove 20, and the oil passage 17 and the oil passage 18 through an annular groove 21. A collar 23 is fitted to one end of the oil passage II, and an oil passage 24 that communicates with the oil passage 12 formed on the axis of the pinion mate shaft 8 is provided at the portion of the pinion mate shaft 8 that faces the collar. is formed.

この油路24とカラー23の孔とは全体として、油路1
1と油路12とを連通ずる油路を構成している。カラー
詔とピニオンメートシャフト8との間には隙間があり、
いくぶん潤滑油が流出できるようになっている。26は
油路12とピニオンメートシャフト8のピニオンギヤ9
支持部とを連通ずる油路である。
The oil passage 24 and the hole of the collar 23 are generally connected to the oil passage 1
1 and an oil passage 12 are configured to communicate with each other. There is a gap between the collar and pinion mate shaft 8,
This allows some lubricant to flow out. 26 indicates the oil passage 12 and the pinion gear 9 of the pinion mate shaft 8.
This is an oil passage that communicates with the support part.

次に作用を説明する。Next, the action will be explained.

第2図において、アイドラ歯車4により駆動されてリン
グギヤ3が矢印方向に回転すると、潤滑油がリングギヤ
3の歯により矢印方向にかき上げられて油溜り1cに溜
る。この潤滑油は、リングギヤ3の歯によりかき上げら
れるための圧力と、潤滑油自身の重さによる重力により
、第1図の油路13に送り込まれる。そして、油路13
から油路14.15.16.17.18、IIおよびカ
ラー23の孔を経て潤滑油の一部は油路24へ入らずに
ピニオンメートシャフト8の側面へiUBし、残りの潤
滑油は油路24.12.26を経てピニオンメートシャ
フト 出する。このようにして、ピニオンメートシャフト8の
側面に流出した潤滑油は遠心力によりサイドギヤ6とピ
ニオンギヤ9の噛合部に達してその噛合を潤滑する。油
路26から流出した潤滑油はピニオンメートシャフト8
のピニオンギヤ9支持部を潤滑する。なお、この実施例
においては油路11と油路24とをカラー23を介して
連通させるようにしたが、ドライブシャフト5の一端と
ビニオンメートシャフト8の側面とを接近させて、カラ
ー23を介さないで油路11と油路24とを連通させて
もよい。
In FIG. 2, when the ring gear 3 is driven by the idler gear 4 and rotates in the direction of the arrow, lubricating oil is scraped up in the direction of the arrow by the teeth of the ring gear 3 and accumulates in the oil reservoir 1c. This lubricating oil is sent into the oil passage 13 in FIG. 1 by the pressure of being scraped up by the teeth of the ring gear 3 and by the gravity due to the weight of the lubricating oil itself. And oil line 13
A part of the lubricating oil passes through the oil passages 14, 15, 16, 17, 18, II and the holes in the collar 23, and flows to the side of the pinion mate shaft 8 without entering the oil passage 24, and the remaining lubricating oil flows to the side of the pinion mate shaft 8. The pinion mate shaft exits via path 24.12.26. In this way, the lubricating oil flowing out onto the side surface of the pinion mate shaft 8 reaches the meshing portion between the side gear 6 and the pinion gear 9 due to centrifugal force, and lubricates the meshing. The lubricating oil flowing out from the oil passage 26 is transferred to the pinion mate shaft 8.
lubricate the pinion gear 9 support part. In this embodiment, the oil passage 11 and the oil passage 24 are communicated with each other via the collar 23, but one end of the drive shaft 5 and the side surface of the pinion mate shaft 8 are brought close to each other, so that the collar 23 is connected to the oil passage 11 and the oil passage 24 through the collar 23. The oil passage 11 and the oil passage 24 may be communicated without intervening.

以上説明してきたように、本発明によればその構成をデ
ィファレンシャルギヤケースを回転自在に支持している
ハウジングの車両上方に油溜りを設け、一端がディファ
レンシャルギヤケース内、他端がドライブシャツ1〜の
外周に連結する第1油路をドライブシャフトに設け、デ
ィファレンシャルギヤケースの内周と外周とを連通し、
第1油路に連通ずる第2油路をディファレンシャルギヤ
に設け、油溜りと第2油路とを連通ずる第3油路をハウ
ジングに設けたので、ディファレンシャルギヤケースの
回転の際においてもポンプアンプされた油溜内の潤滑油
をディファレンシャルギヤケース内に強制的に潤滑でき
るので、ディファレンシャルギヤの焼きっけや潤滑不足
を防止することができる。
As explained above, according to the present invention, an oil reservoir is provided above the vehicle in the housing that rotatably supports the differential gear case, one end is inside the differential gear case, and the other end is the outer periphery of the drive shirt 1. A first oil passage connected to the drive shaft is provided in the drive shaft, communicating the inner circumference and the outer circumference of the differential gear case,
Since the second oil passage communicating with the first oil passage is provided in the differential gear, and the third oil passage communicating with the oil reservoir and the second oil passage is provided in the housing, the pump is not amplified even when the differential gear case rotates. Since the lubricating oil in the oil reservoir can be forced to lubricate the inside of the differential gear case, burning of the differential gear and insufficient lubrication can be prevented.

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

第1図はこの発明に係る動力伝達装置の一実施例の断面
側面図、第2図は第1図のA矢視概略図である。 1−−−−ハウジング、 lc−−一油溜り、 2−−−−−ディファレンシャルギヤケース、5 −−
−ドライブシャフト、 6−ーーーサイドギヤ、 8 −−−−ビニオンメートシャフト、9−−−−ピニ
オンギヤ、 IL 18−一ーーー第1油路、 13〜16 − −−−第3油路、 17 −−−−一部2油路、 11〜19、24、26 −−−一油路。 特許出願人     日産自動車株式会社代理人弁理士
有我軍一部
FIG. 1 is a cross-sectional side view of one embodiment of a power transmission device according to the present invention, and FIG. 2 is a schematic view taken in the direction of arrow A in FIG. 1---Housing, lc---1 oil reservoir, 2---Differential gear case, 5---
-Drive shaft, 6----Side gear, 8----Binion mate shaft, 9----Pinion gear, IL 18-1---First oil passage, 13 to 16------Third oil passage, 17--- ---Some 2 oil passages, 11-19, 24, 26---1 oil passage. Patent applicant: Nissan Motor Co., Ltd. Patent attorney Agagun Part 1

Claims (1)

【特許請求の範囲】[Claims] 車体に固定され内部に潤滑油を収納したハウジングと、
該ハウジングに回転自在に支持されると共に他の駆動手
段により回転駆動されるディファレンシャルギヤケース
と、該ディファレンシャルギヤケースの回転軸線と直交
するようにディファレンシャルギヤケース内に配置され
、ピニオンギヤを回転自在に支持するピニオンメートシ
ャフトと、前記ピニオンギヤに噛合するサイドギヤに一
端部がスプライン結合し、他端部が車輪に連結されるド
ライブシャフトと、とを備えた動力伝達装置において、
前記回転軸線より車両上方位置でハウジングに油溜りを
設け、一端がディファレンシャルギヤケース内に、他端
がドライブシャフトの外周に連通ずる第1油路をドライ
ブシャフトに設け、前記ディファレンシャルギヤケース
の内周と外周とを連通し、第1油路に連通ずる第2油路
をディファレンシャルギヤケースに設け、前記油溜りと
第2浦路とを連通ずる第3油路を前記ハウジングに設け
たことを特徴とする動力装置の/fI滑構重構
A housing that is fixed to the vehicle body and stores lubricating oil inside;
a differential gear case rotatably supported by the housing and rotationally driven by another driving means; and a pinion mate arranged within the differential gear case so as to be perpendicular to the rotational axis of the differential gear case and rotatably supporting the pinion gear. A power transmission device comprising: a shaft; and a drive shaft, one end of which is spline-coupled to a side gear that meshes with the pinion gear, and the other end of which is connected to a wheel.
An oil reservoir is provided in the housing at a position above the vehicle from the rotational axis, and a first oil passage is provided in the drive shaft, one end communicating with the differential gear case and the other end communicating with the outer periphery of the drive shaft, and the first oil passage communicating with the inner periphery and outer periphery of the differential gear case. A second oil passage communicating with the first oil passage is provided in the differential gear case, and a third oil passage communicating with the oil reservoir and the second oil passage is provided in the housing. /fI sliding structure of equipment
JP18019982A 1982-10-14 1982-10-14 Lubrication device in power transmission device Pending JPS5969568A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18019982A JPS5969568A (en) 1982-10-14 1982-10-14 Lubrication device in power transmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18019982A JPS5969568A (en) 1982-10-14 1982-10-14 Lubrication device in power transmission device

Publications (1)

Publication Number Publication Date
JPS5969568A true JPS5969568A (en) 1984-04-19

Family

ID=16079126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18019982A Pending JPS5969568A (en) 1982-10-14 1982-10-14 Lubrication device in power transmission device

Country Status (1)

Country Link
JP (1) JPS5969568A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN111503251A (en) * 2019-01-31 2020-08-07 本田技研工业株式会社 Lubricating structure of differential device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN111503251A (en) * 2019-01-31 2020-08-07 本田技研工业株式会社 Lubricating structure of differential device
JP2020122531A (en) * 2019-01-31 2020-08-13 本田技研工業株式会社 Lubrication structure of differential device

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