JPS5981226A - Four-wheel-drive vehicle - Google Patents
Four-wheel-drive vehicleInfo
- Publication number
- JPS5981226A JPS5981226A JP19161982A JP19161982A JPS5981226A JP S5981226 A JPS5981226 A JP S5981226A JP 19161982 A JP19161982 A JP 19161982A JP 19161982 A JP19161982 A JP 19161982A JP S5981226 A JPS5981226 A JP S5981226A
- Authority
- JP
- Japan
- Prior art keywords
- differential
- def
- shaft
- bevel gears
- center
- 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.)
- Granted
Links
Classifications
-
- 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
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
- B60K17/346—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Retarders (AREA)
- Transmission Devices (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、クランク軸が車体左右方向に延びるように配
置されたいわゆる横置きエンジンを備えた７輪駆動車に
関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a seven-wheel drive vehicle equipped with a so-called horizontal engine whose crankshaft extends in the left-right direction of the vehicle body.
一般に、グ輪駆動車としては、エンジンをそのクランク
軸が車体前後方向に延びるように配置すルトトもに、ト
ランスミッションをその入力軸および出力軸が車体前後
方向に延びるように配置し、トランスミッションにトラ
ンスファを付加し、それによって前輪用プロペラシャフ
トと後輪用プロペラシャフトとでエンジンの駆動力を２
分割してフロントデフとリヤデフとに伝達し、前後左右
のりつの車輪を駆動するものが知られている。Generally, in a wheel drive vehicle, the engine is arranged so that its crankshaft extends in the longitudinal direction of the vehicle body, and the transmission is arranged so that its input shaft and output shaft extend in the longitudinal direction of the vehicle body. By adding a
It is known that the power is divided and transmitted to a front differential and a rear differential to drive the front, rear, left and right wheels.
ところが、このよう°な縦置きエンジンを備えたグ輪駆
動車では、車室スペースを広くとることができないとい
う不具合があることから、近年、そのような不具合のな
い横置きエンジンを備えたグ輪駆動車がいくつか提案さ
れている。However, there is a problem with these types of wheel drive cars with vertically mounted engines, which is that they are unable to provide a large cabin space, so in recent years, wheel drive cars with horizontally mounted engines that do not have this problem have been developed. Several drive vehicles have been proposed.
例えば、遊星歯車群で構成されたセンタデフをフロント
デフと同軸状に並設し、１）トランスミッションよりの
出力をセンタデフのビニオンキャリアで受け、センタデ
フのりングギャまたはサンギヤより後輪駆動用の／対の
傘歯車の一方に出力するもの（特開昭ｊ乙−／６グ３２
♂号参照）、１１〕トランスミツシヨンよりの出力をセ
ンタデフのリングギヤで受け、センタデフのピニオンキ
ャリアより後輪駆動用の７対の傘歯車の一方に出力する
もの（特開昭６７−４’／２／乙号参照）がある。For example, a center differential consisting of a group of planetary gears is installed coaxially with a front differential, and 1) the output from the transmission is received by the center differential's binion carrier, and the center differential's ring gear or sun gear is connected to the rear wheel drive/pair. What outputs to one side of the bevel gear (JP-A Shoj Otsu-/6g 32
(Refer to No. ♂), 11] The output from the transmission is received by the ring gear of the center differential, and the output is output from the pinion carrier of the center differential to one of the seven pairs of bevel gears for driving the rear wheels (Japanese Patent Laid-Open No. 67-4'/ 2/Refer to No. B).
本発明は、そのようなグ輪駆動車にさらに改良を加えて
、センタデフおよびフロントデフを同軸状に配置するこ
とにより、車室への突出量をさらに少なくし、センタデ
フをチェーンを介して駆動することにより、静かに減速
を行うことができるグ輪駆動車を提供することを目的と
する。The present invention further improves such a wheel drive vehicle by arranging the center differential and front differential coaxially, thereby further reducing the amount of protrusion into the vehicle interior, and driving the center differential via a chain. The purpose of the present invention is to provide a wheel drive vehicle that can decelerate quietly.
以下、本発明の構成を、実施例について、図面に沿って
説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of the present invention will be described below with reference to embodiments with reference to the drawings.
〈実施例／〉
第１図および第２図において、１はエンジンで、車体前
部においてクランク軸２が車体前後方向番と延びるよう
に配置されている。６はトランスミッションで、ケーシ
ング４内に配設され、しかしてクラッチ手段５を介して
クランク軸２が連結される入力軸６と、センタブフッ外
周にチェーン８（いわゆるサイレントチェーン）を介し
て連結された出力軸９とが車体左右方向に配置され工い
るＯこのセンタデフ７と同軸状に、フロントデフ１０お
よび後輪駆動用の／対の傘歯車１１．１２の一方の傘歯
車１１が配置されている０また、他方の傘歯車１２は、
ジヨイント１６を介してプロペラシャフト１４に連結さ
れている。<Embodiment/> In FIGS. 1 and 2, reference numeral 1 denotes an engine, which is arranged at the front of the vehicle body so that a crankshaft 2 extends in the longitudinal direction of the vehicle body. Reference numeral 6 denotes a transmission, which includes an input shaft 6 disposed within the casing 4 and connected to the crankshaft 2 via a clutch means 5, and an output connected to the outer periphery of the center tab foot via a chain 8 (so-called silent chain). A front differential 10 and one bevel gear 11 of a pair of bevel gears 11 and 12 for driving the rear wheels are disposed coaxially with the center differential 7. Moreover, the other bevel gear 12 is
It is connected to the propeller shaft 14 via a joint 16.
前記入力軸６には、クラッチ手段５側から、第１連用ギ
ヤ１５、後進用ギヤ１６、第２連用ギヤ１７、第３速用
ギヤ１８および第１連用ギヤ１５が順に固設されている
。一方、出力軸９には、前記各ギヤ１５．１６．１７．
１８．１９に噛合うギヤ２０．２１．２２．２６．２４
および駆動スプロケット２５が固設されるとともに、ギ
ヤ２０と２１、および２６と２４との間には同期機構２
６゜２７が配設されている。A first continuous gear 15, a reverse gear 16, a second continuous gear 17, a third speed gear 18, and a first continuous gear 15 are fixed to the input shaft 6 in this order from the clutch means 5 side. On the other hand, the output shaft 9 has the respective gears 15, 16, 17.
Gear 20.21.22.26.24 meshing with 18.19
A driving sprocket 25 is fixedly installed, and a synchronizing mechanism 2 is provided between gears 20 and 21 and between 26 and 24.
6°27 is arranged.
前記センタデフ７は、ケーシング２８の外側に伝動スプ
ロケット２９が取付具６０に光取付固定され、しかして
ケーシング２８内において、車体前後方向の短軸６１．
６１により対向された／対の傘歯車３２．６３と、これ
らに噛合うように左右に対向配置された別の７対の傘歯
車３４．６５からなる傘歯車群にて構成される０前記伝
動スプロケツト２９と、出力軸９の駆動スプロケット２
５とがチェーン８にて連結され、駆動力が、減速されて
伝達されている。In the center differential 7, a transmission sprocket 29 is optically fixed to a fitting 60 on the outside of a casing 28, and a short axis 61.
61 and a pair of bevel gears 32, 63 facing each other, and another seven pairs of bevel gears 34, 65 disposed oppositely on the left and right so as to mesh with these bevel gears. Sprocket 29 and drive sprocket 2 of output shaft 9
5 are connected by a chain 8, and the driving force is transmitted at a reduced speed.
前記右側に配置された傘歯車３５の軸部３５ａは筒状で
、途中の拡大部５５ｂを経て、端部は／対の軸受６６．
６７にて支承され、しかして前記両軸受６６．３７の間
に後輪駆動用の／対の傘歯車１１．１２のうちの一方の
傘歯車１１が固設されている。一方、前記左側に配置さ
れた傘歯車３４の軸部３４ａも筒状で、その基端部はフ
ロントデフ１０のケーシング６８と一体的に形成されて
いる０
前記フロントデフ１０は、ケーシング３８内において、
車体前後方向の短軸６９により対向された／対の傘歯車
４０．４１と、これらに噛合うように対向配置された別
の／対の傘歯車４２．４３からなる傘歯車群にて構成さ
れている。しかして、右側に配置された傘歯車４６の軸
部４３ａは、センタデフ７における左右の傘歯車３４．
３５の軸部３４ａ、３５ａを貫通し、ジヨイント４４を
介して前輪駆動軸４５の一端に連結されている。一方、
左側に配置された傘歯車４２の軸部４２ａはジヨイント
４６を介して別の前輪駆動軸４７の一端に連結されてい
る０前記両前輪駆動軸４７．４５の他端は、別２ジヨイ
ント４８．４９を介して、左右の前輪５０．５１に連結
されている。The shaft portion 35a of the bevel gear 35 disposed on the right side has a cylindrical shape, and after passing through an enlarged portion 55b in the middle, the end portion is connected to a pair of bearings 66.
67, and between the two bearings 66.37 one bevel gear 11 of a pair of bevel gears 11.12 for rear wheel drive is fixedly mounted. On the other hand, the shaft portion 34a of the bevel gear 34 disposed on the left side is also cylindrical, and its base end portion is integrally formed with the casing 68 of the front differential 10. ,
It is constituted by a bevel gear group consisting of a pair of bevel gears 40.41 opposed by a short axis 69 in the longitudinal direction of the vehicle body, and another pair of bevel gears 42.43 disposed oppositely so as to mesh with these bevel gears. ing. Therefore, the shaft portion 43a of the bevel gear 46 disposed on the right side is connected to the left and right bevel gears 34 in the center differential 7.
35, and is connected to one end of a front wheel drive shaft 45 via a joint 44. on the other hand,
The shaft portion 42a of the bevel gear 42 disposed on the left side is connected to one end of another front wheel drive shaft 47 via a joint 46.The other end of both front wheel drive shafts 47.45 is connected to another two joint 48. 49, it is connected to the left and right front wheels 50 and 51.
また、センタデフ７におけるケーシング２８の一端は、
傘歯車６５の軸部５５ａの外側に沿って拡大部３５ｂ付
近まで延設されて、該拡大部３５ｂと同径の拡大端部２
８ａが形成されている。Moreover, one end of the casing 28 in the center differential 7 is
An enlarged end portion 2 extending along the outside of the shaft portion 55a of the bevel gear 65 to near the enlarged portion 35b and having the same diameter as the enlarged portion 35b.
8a is formed.
５２はデフロックスリーブで、前記拡大部３５ｂと拡大
端部２８ａとに対して軸方向に移動可能にスプライン嵌
合している。このデフロックスリーブ５２は、前記両部
３５ｂ、２８ａとスプライン嵌合して前記両部３５ｂ、
２８ａを連結固定するロック位置と、拡大端部２８ａと
のみスプライン嵌合している非ロツク位置との間を、図
示しない操作手段にて軸方向に移動可能となっている。A differential lock sleeve 52 is spline-fitted to the enlarged portion 35b and the enlarged end portion 28a so as to be movable in the axial direction. This differential lock sleeve 52 is spline-fitted to both the parts 35b and 28a, and the two parts 35b and 28a are spline-fitted.
It is movable in the axial direction between a locked position where the expanded end portion 28a is connected and fixed and an unlocked position where only the enlarged end portion 28a is spline-fitted by an operating means (not shown).
しかして、例えば流通などの不整地で７つの車輪が空転
している場合に、前記ロック位置にセットすれば、セン
タデフ７は固定されて不動となり、この空転している車
輪を通じて駆動力が逃げるのを防止して、全車輪に適正
な駆動力を分配できることとなる０
前記プロペラシャフト１４の後端にはジヨイント５６を
介してリヤデフ５４の傘歯車５５が連結されている。こ
の傘歯車５５には／対の傘歯車５６゜５７を支承する大
きい傘歯車５８が噛合い、該傘歯車５６．５７に噛合う
ように左右に別の／対の傘歯車５９．６０が対向配置さ
れている。Therefore, if the seven wheels are idling on rough terrain such as a distribution site, by setting the center differential 7 to the lock position, the center differential 7 will be fixed and immobile, and the driving force will not escape through the idling wheels. A bevel gear 55 of a rear differential 54 is connected to the rear end of the propeller shaft 14 via a joint 56. A large bevel gear 58 that supports a pair of bevel gears 56 and 57 meshes with this bevel gear 55, and another pair of bevel gears 59 and 60 face each other on the left and right so as to mesh with the bevel gears 56 and 57. It is located.
また、左右の傘歯車５９．６０にはジヨイント６１．６
２を介して後輪駆動軸６６．６４の一端が連結され、該
後輪駆動軸６６．６４の他端にジヨイント６５．６６を
介して左右の後輪６７．６８が連結されている。In addition, the left and right bevel gears 59.60 have joints 61.6
One end of a rear wheel drive shaft 66.64 is connected to the rear wheel drive shaft 66.64 through a joint 65.66, and left and right rear wheels 67.68 are connected to the other end of the rear wheel drive shaft 66.64 through a joint 65.66.
上記のように構成すれば、エンジン１より出力された＃
ｆＡ動力はクラッチ手段５を介してトランスミッション
６０入力軸６に伝達され、適宜変速操作されて出力軸９
の駆動スプロケット２５より、チェーン８を介して、セ
ンタデフ７の伝動スプロケット２９に出力される。If configured as above, # output from engine 1
The fA power is transmitted to the input shaft 6 of the transmission 60 via the clutch means 5, and the speed is changed as appropriate to the output shaft 9.
The signal is output from the drive sprocket 25 of the center differential 7 via the chain 8 to the transmission sprocket 29 of the center differential 7.
このようにして入力された駆動力は、センタデフ７にお
いて、ケーシング２８の短軸３１．３１に伝わり、該短
軸６１にて支承される／対の傘歯車６２．６６とこれら
に噛合う別の／対の傘歯車６４．６５との噛合いにより
左右に分配され、フロントデフ１Ｄのケーシング６８と
後輪駆動用の一方の傘歯車１１とを回転駆動する。なお
、センタデフ７は差動装置として機能し、フロントデフ
１０側の傘歯車６４とリヤデフ５４側の傘歯車６５との
間における回転速度差を吸収緩和できるようになってい
る。The driving force input in this way is transmitted to the short shaft 31.31 of the casing 28 in the center differential 7, and is transmitted to the short shaft 31.31 of the casing 28, which is supported by the short shaft 61/a pair of bevel gears 62.66 and another gear meshing with these. It is distributed to the left and right by meshing with the bevel gears 64 and 65 of the pair, and rotationally drives the casing 68 of the front differential 1D and one of the bevel gears 11 for driving the rear wheels. Note that the center differential 7 functions as a differential device and is capable of absorbing and alleviating the rotational speed difference between the bevel gear 64 on the front differential 10 side and the bevel gear 65 on the rear differential 54 side.
しかして、フロントデフ１０において、センタデフ７と
同様に駆動力が左右に分配され、それで左右の前輪５０
．５１が回転駆動する。一方、後輪駆動用の／対の傘歯
車１１．１２の噛合いにより、駆動力はプロペラシャフ
ト１４を経て、リヤデフ５４に伝わり、左右に分配され
て左右の後輪６７．６８を回転駆動する。Therefore, in the front differential 10, driving force is distributed to the left and right in the same way as in the center differential 7, so that the left and right front wheels 50
．． 51 is rotationally driven. On the other hand, due to the meshing of the pair of bevel gears 11 and 12 for rear wheel drive, the driving force is transmitted to the rear differential 54 via the propeller shaft 14, and is distributed to the left and right to rotationally drive the left and right rear wheels 67 and 68. .
〈実施例ノ〉 本例は２−グ切換スリーブを備えるものである。<Example> This example is equipped with a 2-g switching sleeve.
第３図において、センタデフ７における右側の傘歯車３
５の軸部３５ｃにおける拡大端部３５ｄと、後輪駆動用
の／対の傘歯車１１．１２の一方の傘歯車１１が固設さ
れた支持軸７１における拡大端部７１ａとが対向配置さ
れ、しかして両端部３５ｄ、７１ａの外側に２−り切換
スリーブ７２が軸方向に移動可能にスプライン嵌合して
いる。In FIG. 3, the right bevel gear 3 in the center differential 7
The enlarged end 35d of the shaft portion 35c of No. 5 and the enlarged end 71a of the support shaft 71 to which one of the bevel gears 11 of the pair of rear wheel drive bevel gears 11.12 is fixed are arranged opposite to each other, A two-way switching sleeve 72 is spline-fitted to the outside of both ends 35d and 71a so as to be movable in the axial direction.
この２−グ切換スリーブ７２は、前記両拡大端部３５ｄ
、７’Ｉａにスプライン嵌合して軸部６５Ｃと支持軸７
１とを同期回転させるグ輪駆動位置と、支持軸７１の拡
大端部７１ａ（あるいは軸部３５ｃの拡大端部３５ｄ）
とのみスプライン嵌合した２輪駆動位置との間を、図示
しない操作手段にて軸方向に移動するようになっている
。なお、２輪駆動位置では、リヤデフ５４と雨後輪６７
．６８との連結が解除されるようになっている。This two-gage switching sleeve 72 has both enlarged ends 35d.
, 7'Ia by spline fitting to connect the shaft portion 65C and the support shaft 7.
1 and the enlarged end 71a of the support shaft 71 (or the enlarged end 35d of the shaft 35c).
It is designed to be moved in the axial direction between the two-wheel drive position and the two-wheel drive position that are spline-fitted only by an operation means (not shown). In addition, in the two-wheel drive position, the rear differential 54 and the rain rear wheel 67
．． The connection with 68 is released.
その他の構成は実施例／と同様であるので、その詳細な
説明を省略する。Since the other configurations are the same as those in the embodiment, detailed explanation thereof will be omitted.
〈実施例３〉
本例はトランスミッションが副変速機を備え、センタデ
フが遊星歯車群で構成されている場合である。<Embodiment 3> In this example, the transmission is equipped with an auxiliary transmission, and the center differential is constituted by a group of planetary gears.
第り図において、センタデフ８１は遊星歯車群で構成さ
れている。すなわち、副変速機８２を構成する中間軸８
３に一体的に形成したスプロケット８４とチェーン８を
介して連結されたりングギャ８５と、ピニオンキャリア
８６にて支承され前記リングギヤ８５と噛合うプラネタ
リビニオン８７と、該プラネタリビニオン８７と噛合い
軸部８８ａがフロントデフ１０のケーシング６８一体向
に形成されたサンギヤ８８とからなり、前記プラネタリ
ビニオン８７は互いに噛合う／対のビニオン８９゜９０
にて構成されるダブルビニオンタイプで、一方のビニオ
ン８９がリングギヤ８５と、他方のビニオン９０がサン
ギヤ８６とそれぞれ噛合っているＯ
前記ビニオンキャリア８６は、その筒状の軸部８６ａが
、フロントデフ１０における右側の傘歯車４６の軸部４
３ａに沿って後輪駆動用の／対の傘歯車１１．１２の方
へ延長され、しかしてその延長端部８６ｂと支持軸７１
の拡大端部７１ａとに２−４を切換スリーブ７２が適用
されている。In the figure, the center differential 81 is composed of a group of planetary gears. That is, the intermediate shaft 8 constituting the sub-transmission 82
A ring gear 85 is connected to a sprocket 84 formed integrally with the ring gear 85, a planetary pinion 87 is supported by a pinion carrier 86 and meshes with the ring gear 85, and a shaft meshes with the planetary pinion 87. The portion 88a consists of a sun gear 88 formed integrally with the casing 68 of the front differential 10, and the planetary binions 87 mesh with each other/pair of binions 89°90
The double-binion carrier 86 has a cylindrical shaft portion 86a that is in mesh with the ring gear 85 and the sun gear 86. Shaft portion 4 of right bevel gear 46 in front differential 10
3a towards the bevel gear/pair 11.12 for the rear wheel drive, thus extending its extension end 86b and the support shaft 71.
A 2-4 switching sleeve 72 is applied to the enlarged end 71a.
また、リングギヤ８５に円板部９１ａを連結固定した延
長部材９１０筒状の軸部９１ｂが、前記軸部８６ａの外
周に回転可能に嵌合され、しかして両軸部８６ａ、９１
ｂ１７）延長端部８６ｂ’、９１ｃにデフロックスリー
ブ５２が適用されている。Further, a cylindrical shaft portion 91b of an extension member 910 with a disk portion 91a connected and fixed to the ring gear 85 is rotatably fitted to the outer periphery of the shaft portion 86a, so that both shaft portions 86a, 91
b17) The differential lock sleeve 52 is applied to the extended ends 86b', 91c.
前記副変速機８２を構成する中間軸８６には、スプロケ
ット８４の側から、低速ギヤ９３および高速ギヤ９４が
順に嵌着固定され、該両ギヤ９３．９４の間に同期機構
９５が介設されている。A low speed gear 93 and a high speed gear 94 are fitted and fixed in order from the sprocket 84 side to the intermediate shaft 86 constituting the sub-transmission 82, and a synchronization mechanism 95 is interposed between the two gears 93 and 94. ing.
前記低速ギヤ９３および高速ギヤ９４に噛合うギヤ９６
．９７がトランスミッション３の出力軸９に一体的に形
成されている。A gear 96 meshing with the low speed gear 93 and high speed gear 94
．． 97 is integrally formed on the output shaft 9 of the transmission 3.
したがって、副変速機８２側の高速および低速の２段階
において、それぞれ、主変速機側では第１速、第２速、
第３速および第グ速のグ段階に変速操作されるので、全
体としては♂段階に変速されることとなる。Therefore, in the two stages of high speed and low speed on the side of the sub-transmission 82, the first speed, second speed, and
Since the gear shift operation is performed to the G stage of the 3rd speed and the G speed, the gear is shifted to the ♂ stage as a whole.
なお、その他の構成要素は実施例／、２と同様である。Note that the other components are the same as in Example 2.
上記のように構成すれば、エンジン１より、差動装置と
してのセンタデフ８１に出力された駆動力は、フロント
デフ１０を駆動するサンギヤ８８と、リヤデフ５４を駆
動するビニオンキャリア８ｂとに分配される。With the above configuration, the driving force output from the engine 1 to the center differential 81 as a differential device is distributed to the sun gear 88 that drives the front differential 10 and the binion carrier 8b that drives the rear differential 54. Ru.
しかして、フロントデフ１ｏに分配された駆動力は、該
フロントデフ１０において、左右に分配されて左右の前
輪５０．５１を回転駆動する一方、／対の傘歯車１１．
１２を経てリヤデフ５４に分配された駆動力は、該リヤ
デフ５４において、左右に分配されて左右の後輪６７．
６８を回転駆動する。Thus, the driving force distributed to the front differential 1o is distributed to the left and right in the front differential 10 to rotationally drive the left and right front wheels 50, 51, and the pair of bevel gears 11.
12 to the rear differential 54, the driving force is distributed to the left and right rear wheels 67.
68 is rotated.
なお、上記各実施例ではエンジン１を車体前部に配置し
た場合について説明したが、エンジンを車体後部に配置
した場合にも適用することができるのは勿論である。ま
た、フロントデフ１０は傘歯車群で構成されているが、
遊星歯車群であっても差支えない。In each of the above embodiments, the case where the engine 1 is disposed at the front of the vehicle body has been described, but it goes without saying that the present invention can also be applied to a case where the engine is disposed at the rear of the vehicle body. In addition, the front differential 10 is composed of a group of bevel gears,
There is no problem even if it is a planetary gear group.
本発明は、上記のように、センタデフをチェーンを介し
て駆動しているため、静かに減速が行えるとともに、回
転方向を合わせる従来のアイドルギヤが不要となり、そ
のうえに、センタデフとフロントデフとを同軸状に配置
しているため、車室への突出量を少なくす、ることかで
きる等の種々の優れた効果を有するＯAs described above, the present invention drives the center differential through a chain, so it can decelerate quietly, eliminates the need for a conventional idle gear to match the rotation direction, and furthermore, the center differential and front differential are coaxially connected. Because the O
図面は本発明の実施態様を例示するもので、第１図は実
施例／の駆動系をスケルトンにて模式的に示した図、第
２図は実施例／の主要部を具体的に示した図、第３図お
よび第７図はそれぞれ、実□施例２．３についての第２
図と同様の図である。
１・・・・・・エンジン、２・・・・・・クランク軸、
３・・・・・・トランスミッション、６・・・・・・入
力軸、７・・・・・・センタデフ、８・・・・・・チェ
ーン、９・・・・・・出力軸、１０・・・・・・フロン
トデフ、１１．１２・・・・・・傘歯車、２５・・・・
・ン駆動スプロケット、２９・・・・・・伝動スプロケ
ット、５２・・・・・・デフロックスリーブ、５４・・
・・・・リヤデシ、７２・・・・・・２−グ切°換スリ
ーブ、８１・・・・・・センタデフ、８２・・・・・・
副変速機The drawings illustrate embodiments of the present invention, and FIG. 1 is a diagram schematically showing the drive system of the embodiment in a skeleton form, and FIG. 2 specifically shows the main parts of the embodiment. Figures 3 and 7 respectively show the second example for Example 2.3.
FIG. 1...engine, 2...crankshaft,
3...Transmission, 6...Input shaft, 7...Center differential, 8...Chain, 9...Output shaft, 10... ...Front differential, 11.12...Bevel gear, 25...
・N drive sprocket, 29...Transmission sprocket, 52...Differential lock sleeve, 54...
... Rear differential, 72 ... 2-g switching sleeve, 81 ... Center differential, 82 ...
Sub-transmission
Claims (5)
るように配置され、トランスミッションは入力軸と出力
軸とが車体左右方向に並設され、フロントデフがセンタ
デフと同軸状に配置され、センタデフ外周と出力軸とが
チェーンにて連結されて該センタデフが駆動され、一対
の傘歯車にて後輪駆動軸に駆動力が伝達されることを特
徴とするグ輪駆動車。(1) The engine is arranged so that the crankshaft extends in the left-right direction of the vehicle body, the transmission has an input shaft and an output shaft arranged side by side in the left-right direction of the vehicle body, the front differential is arranged coaxially with the center differential, and the outer periphery of the center differential and the output A wheel drive vehicle characterized in that the center differential is connected to the shaft by a chain to drive the center differential, and the driving force is transmitted to the rear wheel drive shaft by a pair of bevel gears.
され、センタデフと連結固定可能であるところの特許請
求の範囲第１項記載のグ輪駆動車。(2) The wheel drive vehicle according to claim 1, wherein one of the pair of bevel gears is arranged coaxially with the center differential and can be connected and fixed to the center differential.
ころの特許請求の範囲第１項記載のり輪駆動車。(3) The wheel drive vehicle according to claim 1, wherein the center differential is constituted by a group of planetary gears.
ろの特許請求の範囲第１項記載のグ輪駆動車。(4) The wheel drive vehicle according to claim 1, wherein the center differential is constituted by a group of bevel gears.
ところの特許請求の範囲第３項記載のグ輪駆動車０(5) The wheel drive vehicle 0 according to claim 3, wherein the front differential is composed of a planetary gear group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19161982A JPS5981226A (en) | 1982-10-30 | 1982-10-30 | Four-wheel-drive vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19161982A JPS5981226A (en) | 1982-10-30 | 1982-10-30 | Four-wheel-drive vehicle |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9519988A Division JPS63291734A (en) | 1988-04-18 | 1988-04-18 | Four-wheel-driving device for horizontal engine car |
| JP9519888A Division JPH0249935B2 (en) | 1988-04-18 | 1988-04-18 | YOKOOKIENJINSHANO4RINKUDOSOCHI |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5981226A true JPS5981226A (en) | 1984-05-10 |
| JPH0311925B2 JPH0311925B2 (en) | 1991-02-19 |
Family
ID=16277643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19161982A Granted JPS5981226A (en) | 1982-10-30 | 1982-10-30 | Four-wheel-drive vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5981226A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59109537U (en) * | 1983-01-13 | 1984-07-24 | トヨタ自動車株式会社 | Transverse engine four-wheel drive transaxle |
| JPS61122033A (en) * | 1984-11-20 | 1986-06-10 | Daihatsu Motor Co Ltd | Power distributor in four-wheel drive car |
| JPS6284527U (en) * | 1985-11-18 | 1987-05-29 | ||
| JPS62105023U (en) * | 1985-12-23 | 1987-07-04 | ||
| US4745819A (en) * | 1986-12-31 | 1988-05-24 | Aisin-Warner Kabushiki Kaisha | Compact power transmission device for a four-wheel drive vehicle |
| US4763749A (en) * | 1984-12-27 | 1988-08-16 | Aisin-Warner Limited | Four-wheel drive vehicle |
| US4763748A (en) * | 1984-12-19 | 1988-08-16 | Aisin-Warner Limited | Four-wheel drive vehicle |
| US4790211A (en) * | 1985-09-30 | 1988-12-13 | Aisin-Warner Kabushiki Kaisha | Power transmission device for four wheel drive vehicle having an improved differential motion limiting mechanism |
| US4815336A (en) * | 1986-05-23 | 1989-03-28 | Toyota Jidosha Kabushiki Kaisha | Power transfer device for four-wheel drive |
| US4898259A (en) * | 1987-03-31 | 1990-02-06 | Aisin Seiki Kabushiki Kaisha | Four-wheel drive apparatus for automotive vehicles |
| US4907672A (en) * | 1987-03-10 | 1990-03-13 | I.De.A. S.P.A. Institute Of Development In Automotive Engineering | Transmission for a four-wheel drive motor vehicle |
| US4911260A (en) * | 1984-12-27 | 1990-03-27 | Aisin-Warner Limited | Four-wheel drive vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5863523A (en) * | 1981-10-12 | 1983-04-15 | Nissan Motor Co Ltd | Four-wheel drive car |
-
1982
- 1982-10-30 JP JP19161982A patent/JPS5981226A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5863523A (en) * | 1981-10-12 | 1983-04-15 | Nissan Motor Co Ltd | Four-wheel drive car |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59109537U (en) * | 1983-01-13 | 1984-07-24 | トヨタ自動車株式会社 | Transverse engine four-wheel drive transaxle |
| JPS633854Y2 (en) * | 1983-01-13 | 1988-01-30 | ||
| JPS61122033A (en) * | 1984-11-20 | 1986-06-10 | Daihatsu Motor Co Ltd | Power distributor in four-wheel drive car |
| US4896739A (en) * | 1984-12-19 | 1990-01-30 | Aisin-Warner Limited | Four-wheel drive vehicle |
| US4763748A (en) * | 1984-12-19 | 1988-08-16 | Aisin-Warner Limited | Four-wheel drive vehicle |
| US4911260A (en) * | 1984-12-27 | 1990-03-27 | Aisin-Warner Limited | Four-wheel drive vehicle |
| US4763749A (en) * | 1984-12-27 | 1988-08-16 | Aisin-Warner Limited | Four-wheel drive vehicle |
| US4790211A (en) * | 1985-09-30 | 1988-12-13 | Aisin-Warner Kabushiki Kaisha | Power transmission device for four wheel drive vehicle having an improved differential motion limiting mechanism |
| JPS6284527U (en) * | 1985-11-18 | 1987-05-29 | ||
| JPS62105023U (en) * | 1985-12-23 | 1987-07-04 | ||
| US4815336A (en) * | 1986-05-23 | 1989-03-28 | Toyota Jidosha Kabushiki Kaisha | Power transfer device for four-wheel drive |
| US4745819A (en) * | 1986-12-31 | 1988-05-24 | Aisin-Warner Kabushiki Kaisha | Compact power transmission device for a four-wheel drive vehicle |
| US4907672A (en) * | 1987-03-10 | 1990-03-13 | I.De.A. S.P.A. Institute Of Development In Automotive Engineering | Transmission for a four-wheel drive motor vehicle |
| US4898259A (en) * | 1987-03-31 | 1990-02-06 | Aisin Seiki Kabushiki Kaisha | Four-wheel drive apparatus for automotive vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0311925B2 (en) | 1991-02-19 |
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