JPH0264433U - - Google Patents
Info
- Publication number
- JPH0264433U JPH0264433U JP14423488U JP14423488U JPH0264433U JP H0264433 U JPH0264433 U JP H0264433U JP 14423488 U JP14423488 U JP 14423488U JP 14423488 U JP14423488 U JP 14423488U JP H0264433 U JPH0264433 U JP H0264433U
- Authority
- JP
- Japan
- Prior art keywords
- oil pump
- operating pressure
- stopped
- main shaft
- vehicle
- 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
- 239000007788 liquid Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Landscapes
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Description
第１図は本考案の一実施例を示す要部断面図、
第２図は全体断面図、第３図は従来例を示す断面
図である。
図中、１，２，１５……ケーシング、３……メ
インシヤフト、４，５，２９，３０……ベアリン
グ、６……オイル通路、７……遊星歯車機構、８
……サンギア、９……リングギア、１０……キヤ
リア、１１……プラネタリギア、１２……切換機
構、１３……ハブ、１４……ドツクギア、１６…
…クラツチギア、１７……カツプリングスリーブ
、１８……フオーク、１９……湿式多板クラツチ
機構、２０……ドラム、２１，２４……プレート
、２２……ドライブスプロケツト、２３……ハブ
、２５……ピストン、２６……ドリブンスプロケ
ツト、２７……チエーン、２８……フロントドラ
イブシヤフト、３１……ポンプハウジング、３２
……インナーギア、３３……アウターギア、３４
……第１オイルポンプ、３５……カバー、３６Ａ
，３６Ｂ……導入通路、３７……ピストン液室、
３８……ボス部、３９……第２オイルポンプ、４
０……ＤＣモータ、４１……回転軸、４２……オ
イルシール、４３……ポンプハウジング、４４…
…ポンプギア、４５……Ｏリング、４６……ドレ
ーン孔、４７……吐出口、４８……連通路、４９
……ワンウエイバルブ、７０……２駆―４駆切換
バルブ、７１……２駆―４駆切換ソレノイド。
FIG. 1 is a cross-sectional view of essential parts showing an embodiment of the present invention;
FIG. 2 is an overall sectional view, and FIG. 3 is a sectional view showing a conventional example. In the figure, 1, 2, 15...Casing, 3...Main shaft, 4, 5, 29, 30...Bearing, 6...Oil passage, 7...Planetary gear mechanism, 8
... sun gear, 9 ... ring gear, 10 ... carrier, 11 ... planetary gear, 12 ... switching mechanism, 13 ... hub, 14 ... dock gear, 16 ...
...clutch gear, 17...coupling sleeve, 18...fork, 19...wet multi-plate clutch mechanism, 20...drum, 21, 24...plate, 22...drive sprocket, 23...hub, 25... ... Piston, 26 ... Driven sprocket, 27 ... Chain, 28 ... Front drive shaft, 31 ... Pump housing, 32
...Inner gear, 33 ...Outer gear, 34
...First oil pump, 35...Cover, 36A
, 36B...Introduction passage, 37...Piston liquid chamber,
38...Boss part, 39...Second oil pump, 4
0...DC motor, 41...Rotating shaft, 42...Oil seal, 43...Pump housing, 44...
...Pump gear, 45...O ring, 46...Drain hole, 47...Discharge port, 48...Communication path, 49
...One-way valve, 70...2WD-4WD switching valve, 71...2WD-4WD switching solenoid.
Claims (1)
フトの回転力を湿式多板クラツチ機構を介してス
プロケツトからフロントドライブシヤフトに伝達
する４輪駆動トランスフア装置において、 車両走行時には前記メインシヤフトの駆動によ
りピストン作動圧を得る第１オイルポンプと、車
両停止時には直流モータの駆動によりピストン作
動圧を得る第２オイルポンプと、を設け、該第２
オイルポンプの停止時には前記第１オイルポンプ
からの作動圧の逆流を防止するためのワンウエイ
バルブをピストン液室に連通する連通路に介装し
たことを特徴とする４輪駆動トランスフア装置。[Claims for Utility Model Registration] In a four-wheel drive transfer device that transmits the rotational force of a main shaft rotatably supported by a casing from a sprocket to a front drive shaft via a wet multi-disc clutch mechanism, when the vehicle is running, the A first oil pump that obtains piston operating pressure by driving the main shaft, and a second oil pump that obtains piston operating pressure by driving a DC motor when the vehicle is stopped.
A four-wheel drive transfer device characterized in that a one-way valve for preventing backflow of operating pressure from the first oil pump when the oil pump is stopped is interposed in a communication passage communicating with a piston liquid chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14423488U JPH0717564Y2 (en) | 1988-11-04 | 1988-11-04 | 4-wheel drive transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14423488U JPH0717564Y2 (en) | 1988-11-04 | 1988-11-04 | 4-wheel drive transfer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0264433U true JPH0264433U (en) | 1990-05-15 |
| JPH0717564Y2 JPH0717564Y2 (en) | 1995-04-26 |
Family
ID=31411761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14423488U Expired - Lifetime JPH0717564Y2 (en) | 1988-11-04 | 1988-11-04 | 4-wheel drive transfer device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0717564Y2 (en) |
-
1988
- 1988-11-04 JP JP14423488U patent/JPH0717564Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0717564Y2 (en) | 1995-04-26 |
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