JPS58170631A - Lubricating device of differential gear - Google Patents
Lubricating device of differential gearInfo
- Publication number
- JPS58170631A JPS58170631A JP5138882A JP5138882A JPS58170631A JP S58170631 A JPS58170631 A JP S58170631A JP 5138882 A JP5138882 A JP 5138882A JP 5138882 A JP5138882 A JP 5138882A JP S58170631 A JPS58170631 A JP S58170631A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- speedometer
- differential
- differential case
- lubricating oil
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
-
- 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
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
- F16N7/14—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated the lubricant being conveyed from the reservoir by mechanical means
- F16N7/26—Splash lubrication
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Motor Power Transmission Devices (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、ディファレンシャルギヤの潤滑装置、鮮しく
はデフケース内の潤滑性能を向上させる潤滑装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lubricating device for a differential gear, and more particularly, to a lubricating device that improves the lubricating performance within a differential case.
ディファレンシャルギヤでは、第１図に示すように、デ
フケース３内のピニオンギヤ４鼻。In the differential gear, as shown in FIG. 1, there are four pinion gears in the differential case 3.
４ｂ、サイドギヤ５．６の噛合部及び軸受部の潤滑は、
ハウジング１底部に収容した潤滑油をリングギヤ２にて
かき上げて、デフケース３の壁に設けた油孔３＆よりデ
フケース３内に導入して行なっている。このデフケース
３内の潤滑性能の向上は、従来、デフケース３に設ける
油孔３１を大きくシ、或はハウジング！内−に設けたガ
イドリブ１ａにて潤滑油を捕捉してデフケース３内に導
く等して行なっている。4b, lubrication of the meshing part and bearing part of side gear 5.6 is as follows:
This is done by scooping up lubricating oil stored in the bottom of the housing 1 with a ring gear 2 and introducing it into the differential case 3 through an oil hole 3 & provided in the wall of the differential case 3. Conventionally, the lubrication performance inside the differential case 3 has been improved by enlarging the oil hole 31 provided in the differential case 3 or by increasing the size of the housing! This is accomplished by capturing the lubricating oil with guide ribs 1a provided inside and guiding it into the differential case 3.
しかしながら、このようなリングギヤ２によるはねかけ
潤滑方式にあっては、潤滑油を増量すると、攪拌抵抗が
増大して油温が上昇し、油が劣化して潤滑性能が低下す
るので、ノ１ウジング１内にあまり多くの潤滑油を貯溜
することができず、限られた潤滑油にて効率的な潤滑を
行なって、各歯車の噛合部及び軸受部の焼付き及び摩耗
の防止を行なう潤滑性能を充分には確保し難いという問
題点があった。However, in such a splash lubrication system using the ring gear 2, increasing the amount of lubricating oil increases the stirring resistance and increases the oil temperature, which deteriorates the oil and reduces the lubrication performance. A lubrication system in which it is not possible to store too much lubricating oil in the housing 1, and the limited lubricating oil is used for efficient lubrication to prevent seizure and wear of the meshing parts and bearing parts of each gear. There was a problem in that it was difficult to ensure sufficient performance.
殊にエンジン前置き前輪駆動車の、リングギヤ２にてか
き上げられた油をオイルガーター等に導き、図外のトラ
ンスミッションケース内の潤滑部にまで供給する潤滑方
式において、上記問題点はより顕在化する。In particular, the above-mentioned problems become more apparent in the lubrication system of front-wheel drive vehicles where the engine is mounted in the front, where the oil scraped up by the ring gear 2 is guided to an oil garter, etc., and then supplied to a lubricating part inside the transmission case (not shown). .
本発明は、かかる従来の問題点に鑑みてなされたもので
、スピードメータの車速の検出部をハウジング内に有す
るディファレンシャルギヤにおいて、スピードメータ小
歯車に羽根を設けることにより、デフケース内の潤滑性
能を向上させて、前記した問題点を解決することを目的
としている。The present invention has been made in view of such conventional problems, and in a differential gear that has a speedometer vehicle speed detection part in a housing, the lubrication performance in the differential case is improved by providing blades on the speedometer pinion. The purpose is to improve the performance and solve the problems mentioned above.
以下本発明を図示の実施例を参照して具体的に説明する
。The present invention will be specifically described below with reference to illustrated embodiments.
第２図はエンジン横置きとした前置きエンジン前輪駆動
車のディファレンシャルギヤを示し、図外のトランスミ
ッションのメーンシャフトの駆動力は、リングギヤ２に
伝えられ、該リングギヤ２と複数のボルト７にて結合さ
れたデフケース３がベアリング８ａ、８ｂに支承されて
回転し、デフケース３と共に回転するピニオンシャフト
９に軸着されたピニオンギヤ４ｍ、４ｂを介してサイド
ギヤ５．６を駆動し、その際左右の車輪に作用する回転
抵抗差をサイドギヤＳ。FIG. 2 shows a differential gear of a front-wheel drive vehicle with a horizontally mounted front engine. The driving force of the main shaft of a transmission (not shown) is transmitted to a ring gear 2, which is connected to the ring gear 2 by a plurality of bolts 7. The differential case 3 rotates supported by bearings 8a and 8b, and drives the side gears 5.6 through pinion gears 4m and 4b that are rotatably mounted on a pinion shaft 9 that rotates together with the differential case 3. At this time, the side gears 5.6 act on left and right wheels. The difference in rotational resistance is determined by the side gear S.
６に装着されたドライブシャフト１０．１１を介して受
けて、左右の車輪への伝達トルクを調整する。そしてデ
フケース３が車速に比例した回転部であることに着目し
て、デフケース３にスピードメータ大歯車１２を固定し
て、これにスピードメータ小歯車１３を噛合させて、車
速の検出部が構成されている。通常、スピードメータ大
歯車１２としてはウオームを使用し、スピードメータ小
歯車１３としてはウオームホイールを使用する。３ａは
デフケース３−こ設けた油孔である。以上は従来会知の
ディファレンシャルギヤの構成と異ならない。6, and adjusts the torque transmitted to the left and right wheels. Focusing on the fact that the differential case 3 is a rotating part proportional to the vehicle speed, a speedometer large gear 12 is fixed to the differential case 3, and a speedometer small gear 13 is meshed with this to form a vehicle speed detection section. ing. Usually, a worm is used as the speedometer large gear 12, and a worm wheel is used as the speedometer small gear 13. 3a is an oil hole provided in the differential case 3. The above configuration is no different from the configuration of a conventional differential gear.
本発明は、第２図に示すように、スピードメータ大歯車
１２と噛合するスピードメータ小歯車１３に、ハウジン
グ１のＩＥｓに貯溜されている潤滑油をはねかける羽根
１４を一体的に形成して潤滑装置を構成したものである
。該羽根１４の取付は個所は、スピードメータ小歯車１
３の軸杆１５の延長部（第３図参照）でも、又骸小歯車
１３を平歯束としてその側面（第４図参照）であっても
よく、デフケースの油孔３ａに油をはねかけ易い位置を
選定する。As shown in FIG. 2, the present invention includes integrally forming vanes 14 on the speedometer small gear 13 that meshes with the speedometer large gear 12 to splash the lubricating oil stored in the IEs of the housing 1. The lubricating device is constructed using the following. The blade 14 is installed at the speedometer small gear 1.
It may be the extension of the shaft rod 15 of No. 3 (see Fig. 3), or the side surface of the small gear 13 as a spur tooth bundle (see Fig. 4), and the oil may be splashed into the oil hole 3a of the differential case. Select a location that is easy to hang.
本発明は以上のように構成されているので、車両の走行
に伴なって、デフケース３に固定されたスピードメータ
大歯車１２は、車速に比例する回転をスピードメータ小
歯車１３に伝達し、図外のフレキシブルシャフトを介し
てスピードメータを駆動すると共に、該小歯車１３に一
体的に形成した羽根１４＃こてハウジング１の底部に貯
溜する潤滑油をはね上げて、リングギヤ２によるかき上
げ油に加えて、油孔３畠を通じてデフケース３内部を効
率よく潤滑する。車両の走行中は、潤滑油は遠心力を受
けてハウジング１内壁に層を成して付着する傾向にあり
、このような潤滑油を本発明に係る潤滑装置にて、デフ
ケース３内に積極的に供給することができる。Since the present invention is configured as described above, as the vehicle travels, the speedometer large gear 12 fixed to the differential case 3 transmits rotation proportional to the vehicle speed to the speedometer small gear 13. In addition to driving the speedometer through the external flexible shaft, the vanes 14 formed integrally with the small gear 13 splash up the lubricating oil stored at the bottom of the trowel housing 1, in addition to the oil scraped up by the ring gear 2. The interior of the differential case 3 is efficiently lubricated through the three oil holes. While the vehicle is running, lubricating oil tends to adhere to the inner wall of the housing 1 in a layer due to centrifugal force, and the lubricating oil according to the present invention is used to actively transfer such lubricating oil into the differential case 3. can be supplied to
以上説明したように、本発明はディファレンシャルギヤ
において、デフケースに固定されたスピードメータ大歯
車と噛合するスピードメータ小歯車に潤滑油をかき上げ
る羽根を設けたため、下記の効果を生ずる。As explained above, in the differential gear of the present invention, the speedometer small gear that meshes with the speedometer large gear fixed to the differential case is provided with a vane that scrapes up lubricating oil, thereby producing the following effects.
（１）デフケースの油孔に近接する羽根により潤滑油を
効率よくかき上げるので、ハウジング内の油量を増量す
ることなく、デフケース内の潤滑性能を一段と向上させ
得、デフケース内の焼付き、異常摩耗を確実に防止する
ことができる。(1) Since the lubricating oil is efficiently scraped up by the vanes close to the oil holes in the differential case, the lubrication performance in the differential case can be further improved without increasing the amount of oil in the housing, preventing seizures and abnormalities in the differential case. Wear can be reliably prevented.
（２）デフケースの油孔を大きくすることなく、デフケ
ース内の潤滑性能を向上でき、駆動力伝達とリングギヤ
を支持することにより、大きな回転曲げ荷重が作用する
デフケース内の潤滑手段として好適である。(2) The lubrication performance within the differential case can be improved without enlarging the oil holes in the differential case, and by supporting the driving force transmission and ring gear, it is suitable as a lubrication means within the differential case where large rotational bending loads are applied.
（３） さらに本発明は、既存のスピードメータ小歯
車に羽根を設けるのみで、従来のディファレンシャルギ
ヤの構成の変更を殆ど伴なわずに実現され、その実用性
は極めて高い。(3) Furthermore, the present invention can be realized by simply providing blades on the existing speedometer pinion, with almost no change in the configuration of the conventional differential gear, and its practicality is extremely high.
第１図はスピードメータの検出部を備えた従来のディフ
ァレンシャルギヤの断面図、第２図は本発明を適用した
ディファレンシャルギヤの断面図、第３図は本発明の要
部断面図、第４図はスピードメータの検出部を平歯車と
したディファレンシャルギヤへ本発明を適用した断面図
である。
１：ハウジング、２；リングギヤ、３：デフケース、４
ｍ、４ｂ ：ビニオンギャ、５，６：サイドギヤ、９：
ビニオンシャフト、１２ニスピードメータ大歯車、１３
ニスピードメータ小歯車、１４：羽根、１６；軸杆。
代理人 弁理士 前 １）利 之
（ほか１名）Fig. 1 is a sectional view of a conventional differential gear equipped with a speedometer detection section, Fig. 2 is a sectional view of a differential gear to which the present invention is applied, Fig. 3 is a sectional view of essential parts of the present invention, and Fig. 4 FIG. 2 is a cross-sectional view in which the present invention is applied to a differential gear in which the detection part of a speedometer is a spur gear. 1: Housing, 2: Ring gear, 3: Differential case, 4
m, 4b: Binion gear, 5, 6: Side gear, 9:
Binion shaft, 12 speedometer large gear, 13
Speedometer small gear, 14: vane, 16: shaft rod. Agent: Patent attorney 1) Toshiyuki (and 1 other person)
Claims (1)
と、峡リングギヤと連結されて車速と比例して回転する
デフケースと、デフケース内部のビニオンシャフト−こ
回転自在に支承されたピニオンギヤと、該ピニオンギヤ
と噛合する一対のサイドギヤと、デフケースに固定され
たスピードメータ大歯車と、該大歯車と噛合するスピー
ドメータ小歯車とを有し、ハウジング底部に潤滑油を貯
溜したディファレンシャルギヤにおいて、前記スピード
メータ小歯車に潤滑油をかき上げる羽根を設けたことを
特徴とするディファレンシャルギヤの潤滑装置。1. A ring gear that rotates upon transmission of engine driving force, a differential case that is connected to the ring gear and rotates in proportion to the vehicle speed, a pinion gear that is rotatably supported by a pinion shaft inside the differential case, and the pinion gear. A differential gear having a pair of meshing side gears, a speedometer large gear fixed to a differential case, and a speedometer small gear meshing with the large gear, and in which lubricating oil is stored at the bottom of the housing, the speedometer small gear A lubricating device for a differential gear characterized by having a blade that scrapes up lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5138882A JPS58170631A (en) | 1982-03-31 | 1982-03-31 | Lubricating device of differential gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5138882A JPS58170631A (en) | 1982-03-31 | 1982-03-31 | Lubricating device of differential gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58170631A true JPS58170631A (en) | 1983-10-07 |
Family
ID=12885553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5138882A Pending JPS58170631A (en) | 1982-03-31 | 1982-03-31 | Lubricating device of differential gear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58170631A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4954122A (en) * | 1988-03-31 | 1990-09-04 | Aisin Seiki Kabushiki Kaisha | Differential gear apparatus with worm gears |
| JP2014167307A (en) * | 2013-02-28 | 2014-09-11 | Jtekt Corp | Tapered roller bearing and differential device |
-
1982
- 1982-03-31 JP JP5138882A patent/JPS58170631A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4954122A (en) * | 1988-03-31 | 1990-09-04 | Aisin Seiki Kabushiki Kaisha | Differential gear apparatus with worm gears |
| JP2014167307A (en) * | 2013-02-28 | 2014-09-11 | Jtekt Corp | Tapered roller bearing and differential device |
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