JPH0849758A - Gearing for terminal reduction gear - Google Patents
Gearing for terminal reduction gearInfo
- Publication number
- JPH0849758A JPH0849758A JP18453594A JP18453594A JPH0849758A JP H0849758 A JPH0849758 A JP H0849758A JP 18453594 A JP18453594 A JP 18453594A JP 18453594 A JP18453594 A JP 18453594A JP H0849758 A JPH0849758 A JP H0849758A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- plate spring
- case
- pinion
- differential
- 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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/42—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon
- F16H2048/423—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon characterised by bearing arrangement
- F16H2048/426—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon characterised by bearing arrangement characterised by spigot bearing arrangement, e.g. bearing for supporting the free end of the drive shaft pinion
Landscapes
- Retarders (AREA)
- Gears, Cams (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動車のプロペラシャ
フトの回転力を車軸に減速して伝達するための終減速機
の歯車装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gear unit of a final reduction gear for decelerating and transmitting a rotational force of a propeller shaft of an automobile to an axle.
【０００２】[0002]
【従来の技術】一般的に歯車は、歯形やピッチの誤差、
運転中の温度上昇に伴う熱膨脹、負荷によるたわみなど
があっても噛合いに支障がなく、円滑に回転して動力を
伝達できるようにするためにバックラッシュを設ける技
術は知られている。2. Description of the Related Art Generally, a gear has an error in tooth profile and pitch,
There is known a technique in which a backlash is provided in order to smoothly rotate and transmit power without causing any trouble in meshing even if there is thermal expansion due to temperature rise during operation, deflection due to load, and the like.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、自動車
の終減速機に使用されるディファレンシャルギヤの場
合、バックラッシュが駆動系の回転軸、特に后車軸の回
転方向のガタになり、発進時やエンジンを減速して車輛
を減速させるエンジンブレーキ時等に音が発生したり、
衝撃負荷による破損が生ずるという不具合があった。However, in the case of the differential gear used for the final reducer of the automobile, the backlash causes backlash in the rotational direction of the drive system, especially in the rotational direction of the rear axle. Sound is generated when the engine brakes to decelerate and slow down the vehicle,
There was a problem that damage due to impact load occurred.
【０００４】したがって、本発明は、終減速機のバック
ラッシュを減少し、かつ噛合いに支障の出ない終減速機
の歯車装置を提供することを目的としている。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a gear unit for a final reduction gear in which backlash of the final reduction gear is reduced and meshing is not hindered.
【０００５】[0005]
【課題を解決するための手段】本発明によれば、自動車
のプロペラシャフトの回転力を車軸に減速して伝達する
ための終減速機の歯車装置において、終減速機のディフ
ァレンシャルギヤケース内に設けられ、ディファレンシ
ャルギヤケースと一体に回転するピニオンベベルギヤ軸
に設けたピニオンベベルギヤと、そのピニオンベベルギ
ヤに噛合って車軸を回転させるサイドベベルギヤとより
なるサイドベベルギヤの歯車部分の背面部分とディファ
レンシャルギヤケースとの間に皿ばねを設けている。According to the present invention, a gear unit of a final reduction gear for decelerating and transmitting a rotational force of a propeller shaft of an automobile to an axle is provided in a differential gear case of the final reduction gear. , A plate between the rear part of the gear part of the side bevel gear, which consists of a pinion bevel gear provided on the pinion bevel gear shaft that rotates integrally with the differential gear case and a side bevel gear that meshes with the pinion bevel gear and rotates the axle, and the differential gear case. A spring is provided.
【０００６】また、本発明によれば、前記皿ばねの半径
方向外方部分がサイドベベルギヤの背面部分と係合する
所と皿ばねの半径方向内方部分がディファレンシャルギ
ヤケースと係合する所とがそれぞれテーパ面となってい
る。Further, according to the present invention, the radially outer portion of the disc spring engages with the back surface portion of the side bevel gear and the radially inner portion of the disc spring engages with the differential gear case. Each has a tapered surface.
【０００７】[0007]
【作用効果の説明】本発明は上記のように構成されてい
るので、負荷が比較的小さい場合には皿バネの押圧力で
ベベルギヤのバックラッシュが零となって車軸のガタが
なくなる。そして、サイドベベルギヤとディファレンシ
ャルギヤケースとが皿バネに当接する面はテーパ面とな
っているので面圧が過大となることがなく、焼付き等の
不具合が防止できる。Since the present invention is configured as described above, when the load is relatively small, the backlash of the bevel gear becomes zero due to the pressing force of the disc spring, and the backlash of the axle is eliminated. Since the side bevel gear and the differential gear case contact the disc spring with a tapered surface, the surface pressure does not become excessive, and problems such as seizure can be prevented.
【０００８】また、通常走行時や、普通発進時は、皿バ
ネがたわんで適正バックラッシュが確保され、更に衝撃
的発進時などの高トルク発生時は、皿バネで衝撃力が緩
和され、衝撃音も吸収できる。Further, during normal running or during normal starting, the disc spring is flexed to ensure proper backlash, and during high torque such as during shock start, the impact force is alleviated by the disc spring, resulting in a shock. It can also absorb sound.
【０００９】[0009]
【実施例】以下図面を参照し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.
【００１０】説明にあたり、先ず、従来の技術に属する
終減速機の歯車装置は、図３を参照して、ディファレン
シャルキャリヤ１には図示しないプロペラシャフトに自
在接手を介して接続されているドライブピニオンギヤ２
がドライブピニオン・ベアリング３及び先端を保持する
パイロットベアリング４で支持されている。In the description, first, a gear unit of a final reduction gear belonging to the prior art will be described with reference to FIG. 3. The drive pinion gear 2 is connected to a differential carrier 1 to a propeller shaft (not shown) through a universal joint.
Are supported by a drive pinion bearing 3 and a pilot bearing 4 holding the tip.
【００１１】また、前記ドライブピニオンギヤ２に噛合
うリングギヤ５は、ディファレンシャルギヤケース（以
降、デフケースと称す）６に取付けられ、そのデフケー
ス６は２箇所のテーパローラベアリング１１、１１で回
転自在に支持されている。A ring gear 5 meshing with the drive pinion gear 2 is attached to a differential gear case (hereinafter referred to as a differential case) 6, and the differential case 6 is rotatably supported by two taper roller bearings 11 and 11. There is.
【００１２】また、そのデフケース６の内側には、デフ
ケース６にスラストワッシャ９を介して回転自在に設け
られた複数個のサイドベベルギヤ（以降サイドギヤと称
す）７とそのサイドギヤ７に噛合うピニオンベベルギヤ
（以降ピニオンギヤと称す）８がピニオンベベルギヤ軸
１０に回転自在に設けられ、ディファレンシャルギヤを
構成している。Inside the diff case 6, a plurality of side bevel gears (hereinafter referred to as side gears) 7 rotatably provided on the diff case 6 via thrust washers 9 and a pinion bevel gear that meshes with the side gear 7 ( Hereinafter, referred to as a pinion gear) 8 is rotatably provided on the pinion bevel gear shaft 10 to form a differential gear.
【００１３】さらに、サイドギヤ７の内側のスプライン
部７ａには、図示しないリヤアクスルシャフトが係合
し、車輪を駆動するよう構成されている。Further, a rear axle shaft (not shown) is engaged with the spline portion 7a inside the side gear 7 to drive the wheels.
【００１４】図１は、本発明にかかるサイドギヤ７部の
側断面図を示し、スラストワッシャ９に替えて皿バネ１
２が設けられ、その皿バネ１２の半径方向外方部分１３
がサイドギヤ７の背面部分と係合する所はテーパ面１３
ａに形成され、皿バネ１２の半径方向内方部分１４がデ
フケース６と係合する所がテーパ面１４ａに形成されて
いる。FIG. 1 is a side sectional view of a side gear 7 portion according to the present invention, in which a disc spring 1 is used instead of a thrust washer 9.
2 is provided, and the radially outer portion 13 of the disc spring 12 is provided.
Is the tapered surface 13 where it engages with the rear surface of the side gear 7.
The taper surface 14a is formed on the tapered surface 14a of the disc spring 12 where the radially inner portion 14 of the disc spring 12 engages with the differential case 6.
【００１５】また、図２は縦軸に入力トルクと横軸に皿
バネのたわみ量とを示した皿バネの特性線図である。FIG. 2 is a characteristic diagram of a disc spring, in which the vertical axis represents the input torque and the horizontal axis represents the amount of deflection of the disc spring.
【００１６】したがって、皿バネにかかる入力トルクが
小である小トルク走行時は、皿バネが初期荷重でたわみ
量が零の状態であり、サイドギヤ７とピニオンギヤ８と
は、バックラッシュは殆どない状態で回転する。通常走
行時や発進時は、皿バネがたわみ（たわみ量０〜Ｌ）、
適正なバックラッシュがサイドギヤ７とピニオンギヤ８
との噛合いで得られる。また、衝撃的な高トルクがかか
った場合にはＴ１部分の衝撃トルクが皿バネで吸収さ
れ、衝撃や衝撃音が緩和される。Therefore, during a small torque running in which the input torque applied to the disc spring is small, the deflection amount of the disc spring is zero due to the initial load, and the side gear 7 and the pinion gear 8 have almost no backlash. To rotate. During normal running and starting, the disc springs flex (deflection amount 0 to L),
Proper backlash is achieved by side gear 7 and pinion gear 8
It is obtained by meshing with. Further, when a shocking high torque is applied, the shock torque of the T1 portion is absorbed by the disc spring, and the shock and shock noise are alleviated.
【００１７】[0017]
【発明の効果】本発明は上記のとおり構成されているの
で、以下のすぐれた効果を奏する。Since the present invention is constructed as described above, it has the following excellent effects.
【００１８】（１） 皿バネに対する入力トルクが小で
ある場合には、バックラッシュが減少し車軸等のガタが
減少し、ガタ音も減少する。 （２） 通常走行時は、適正なバックラッシュでギヤが
作動し、衝撃を受けても皿バネで緩衝されるので破損が
ない。 （３） 皿バネとサイドギヤの背面及びデフケースとが
当接する箇所にテーパ面があるので、摩耗が少く、耐久
性が向上する。(1) When the input torque to the disc spring is small, backlash is reduced, rattling of the axle and the like is reduced, and rattling noise is also reduced. (2) During normal running, the gear operates with proper backlash, and even if an impact is received, it is buffered by the disc spring, so there is no damage. (3) Since there is a tapered surface where the disc spring and the rear surface of the side gear and the differential case come into contact with each other, wear is reduced and durability is improved.
【図１】本発明の一実施例を示すサイドギヤ部の側断面
図。FIG. 1 is a side sectional view of a side gear portion showing an embodiment of the present invention.
【図２】皿バネの特性を示す線図。FIG. 2 is a diagram showing the characteristics of a disc spring.
【図３】終減速機の歯車装置の従来の例を示す図。FIG. 3 is a diagram showing a conventional example of a gear device of a final reduction gear.
１・・・ディファレンシャルキャリヤ ２・・・ドライブピニオンギヤ ５・・・リングギヤ ６・・・デフケース ７・・・サイドギヤ ８・・・ピニオンギヤ １２・・・皿バネ １３ａ、１４ａ・・・テーパ面 1 ... Differential carrier 2 ... Drive pinion gear 5 ... Ring gear 6 ... Differential case 7 ... Side gear 8 ... Pinion gear 12 ... Disc spring 13a, 14a ... Tapered surface
Claims (2)
軸に減速して伝達するための終減速機の歯車装置におい
て、終減速機のディファレンシャルギヤケース内に設け
られ、ディファレンシャルギヤケースと一体に回転する
ピニオンベベルギヤ軸に設けたピニオンベベルギヤと、
そのピニオンベベルギヤに噛合って車軸を回転させるサ
イドベベルギヤとよりなるサイドベベルギヤの歯車部分
の背面部分とディファレンシャルギヤケースとの間に皿
ばねを設けたことを特徴とする終減速機の歯車装置。1. A gear unit of a final reduction gear for decelerating and transmitting a rotational force of a propeller shaft of an automobile to an axle, a pinion bevel gear which is provided in a differential gear case of the final reduction gear and rotates integrally with the differential gear case. Pinion bevel gear provided on the shaft,
A gear unit for a final reduction gear, wherein a disc spring is provided between a differential gear case and a rear surface of a gear portion of a side bevel gear that is a side bevel gear that meshes with the pinion bevel gear to rotate an axle.
ベベルギヤの背面部分と係合する所と皿ばねの半径方向
内方部分がディファレンシャルギヤケースと係合する所
とがそれぞれテーパ面となっている請求項１に記載の終
減速機の歯車装置。2. A radially outer portion of the disc spring that engages with a back surface portion of a side bevel gear and a radially inner portion of the disc spring that engages with a differential gear case are tapered surfaces. The gear device of the final reduction gear according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18453594A JPH0849758A (en) | 1994-08-05 | 1994-08-05 | Gearing for terminal reduction gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18453594A JPH0849758A (en) | 1994-08-05 | 1994-08-05 | Gearing for terminal reduction gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0849758A true JPH0849758A (en) | 1996-02-20 |
Family
ID=16154905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18453594A Pending JPH0849758A (en) | 1994-08-05 | 1994-08-05 | Gearing for terminal reduction gear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0849758A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10319854A1 (en) * | 2003-05-03 | 2004-11-18 | Daimlerchrysler Ag | Gearbox for bevel gear differential for vehicle e.g. car, all terrain vehicle (ATV), has preloaded disk or cup-like springs supporting axle shaft bevel gears with respect to differential housing |
| EP1803973A1 (en) * | 2005-12-27 | 2007-07-04 | ELASIS - Società Consortile per Azioni | Differential assembly provided with an adjustment device, in particular for motor vehicles |
| JP2007285327A (en) * | 2006-04-12 | 2007-11-01 | Enplas Corp | Gear device |
| WO2008093542A1 (en) * | 2007-02-02 | 2008-08-07 | Toyota Jidosha Kabushiki Kaisha | Differential device for vehicle |
| JP2009508061A (en) * | 2005-09-10 | 2009-02-26 | ゾナ ベーエルヴェー プレチジオンズシュミーデ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Bevel gear with connecting gear teeth |
| KR100898909B1 (en) * | 2007-12-24 | 2009-05-26 | 대림자동차공업주식회사 | Parts assembling means of shaft |
| WO2012077521A1 (en) | 2010-12-10 | 2012-06-14 | Ｕｄトラックス株式会社 | Differential device |
| EP2604890A1 (en) | 2011-12-16 | 2013-06-19 | Toyota Jidosha Kabushiki Kaisha | Differential device for vehicle |
-
1994
- 1994-08-05 JP JP18453594A patent/JPH0849758A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10319854A1 (en) * | 2003-05-03 | 2004-11-18 | Daimlerchrysler Ag | Gearbox for bevel gear differential for vehicle e.g. car, all terrain vehicle (ATV), has preloaded disk or cup-like springs supporting axle shaft bevel gears with respect to differential housing |
| JP2009508061A (en) * | 2005-09-10 | 2009-02-26 | ゾナ ベーエルヴェー プレチジオンズシュミーデ ゲゼルシャフト ミット ベシュレンクテル ハフツング | Bevel gear with connecting gear teeth |
| EP1803973A1 (en) * | 2005-12-27 | 2007-07-04 | ELASIS - Società Consortile per Azioni | Differential assembly provided with an adjustment device, in particular for motor vehicles |
| WO2007074151A1 (en) * | 2005-12-27 | 2007-07-05 | ELASIS - Società Consortile per Azioni | Differential assembly provided with an adjustment device, in particular for motor vehicles |
| US8167761B2 (en) | 2005-12-27 | 2012-05-01 | ELASIS—Società Consortile per Azioni | Differential assembly provided with an adjustment device, in particular for motor vehicles |
| JP2007285327A (en) * | 2006-04-12 | 2007-11-01 | Enplas Corp | Gear device |
| JP2008190607A (en) * | 2007-02-02 | 2008-08-21 | Toyota Motor Corp | Differential device for vehicle |
| WO2008093542A1 (en) * | 2007-02-02 | 2008-08-07 | Toyota Jidosha Kabushiki Kaisha | Differential device for vehicle |
| US8591373B2 (en) | 2007-02-02 | 2013-11-26 | Toyota Jidosha Kabushiki Kaisha | Differential gear device for vehicle |
| KR100898909B1 (en) * | 2007-12-24 | 2009-05-26 | 대림자동차공업주식회사 | Parts assembling means of shaft |
| WO2012077521A1 (en) | 2010-12-10 | 2012-06-14 | Ｕｄトラックス株式会社 | Differential device |
| EP2604890A1 (en) | 2011-12-16 | 2013-06-19 | Toyota Jidosha Kabushiki Kaisha | Differential device for vehicle |
| JP2013127280A (en) * | 2011-12-16 | 2013-06-27 | Toyota Motor Corp | Differential device for vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3943780A (en) | Planetary gear drive with power distribution | |
| US4836051A (en) | Differential transmission device in particular for a motor vehicle | |
| JPH0341702B2 (en) | ||
| US6514169B2 (en) | Tandem axle assembly with different hypoid offsets | |
| JPS642823B2 (en) | ||
| JPH0380651B2 (en) | ||
| JPH0849758A (en) | Gearing for terminal reduction gear | |
| US2895315A (en) | Vibration damping means | |
| GB2133845A (en) | Change speed gear arrangements | |
| GB2133360A (en) | Four wheel drive vehicle transmission | |
| US4577721A (en) | Four-wheel drive car | |
| US11679663B2 (en) | In-wheel motor drive device | |
| JPH07208546A (en) | Torsional vibration reducing device | |
| EP0172286B1 (en) | Transmission for use in motor vehicle | |
| JP2537036B2 (en) | Final reducer device for vehicles equipped with automatic transmission | |
| US3626777A (en) | Gear transmission with multiple power paths | |
| JPS62228735A (en) | Gear transmitting device | |
| US3653280A (en) | Four-pinion differential | |
| JPH02266150A (en) | Reinforced structure for gearbox | |
| JP5594024B2 (en) | Gear transmission unit | |
| JP2016124441A (en) | In-wheel motor drive unit | |
| JP3982119B2 (en) | Transmission friction gear structure | |
| JP2000161466A (en) | Final deceleration device | |
| JP3080763B2 (en) | Power transmission device for four-wheel drive vehicle | |
| JP2979672B2 (en) | Gear device |