JPH03119647U

JPH03119647U -

Info

Publication number: JPH03119647U
Application number: JP2895490U
Authority: JP
Priority date: 1990-03-20
Filing date: 1990-03-20
Publication date: 1991-12-10

Description

[Brief explanation of drawings]

第１〜３図は本考案の一実施例としてのセンタ
ーデイフアレンシヤル装置を示しており、第１図
はその要部を模式的に示す縦断面図、第２図はそ
の油圧供給系を示す模式図、第３図はその変形例
を示す要部縦断面図であり、第４図は従来の四輪
駆動車における動力伝達系を示す模式図、第５図
は従来の四輪駆動車における動力断続手段を示す
模式図である。２……ブレーキペダル、４，６……油圧シリン
ダ、８，１０，１２……油圧配管、１４，１４′
……作動シリンダ、１４ａ，１４′ａ……ピスト
ン、１４′ｂ……油圧室、１４ｃ，１４′ｃ……
リターンスプリング、１６……駆動シリンダ、１
８……アシストレバー、１２……動力断続手段、
２０Ａ……フリクシヨンプレート、２２……伝達
ギヤ、２２ａ……ボス部、２４……後輪駆動ギヤ
、２４ａ……ボス部、２８……入力ギヤ、２８ａ
……ボス部、３０……ワンウエイクラツチ、３２
……伝達筒体、３６……伝達リング、３７……ボ
ルト、３８，３８′……ベアリング、４０……エ
ンジ、４０Ａ……入力要素、４２……フロントデ
イフアレンシヤル、４２Ａ……ハウジング、４４
……リヤデイフアレンシヤル、５０……前輪、５
２……後輪、Ｃ……クラツチ、Ｏ１，Ｏ２……Ｏ
リング、Ｐ１，Ｐ２……パツキン。 Figures 1 to 3 show a center differential device as an embodiment of the present invention, with Figure 1 being a vertical sectional view schematically showing its main parts, and Figure 2 showing its hydraulic supply system. 3 is a longitudinal cross-sectional view of a main part showing a modification thereof, FIG. 4 is a schematic diagram showing a power transmission system in a conventional four-wheel drive vehicle, and FIG. 5 is a schematic diagram showing a power transmission system in a conventional four-wheel drive vehicle. FIG. 2... Brake pedal, 4, 6... Hydraulic cylinder, 8, 10, 12... Hydraulic piping, 14, 14'
... Working cylinder, 14a, 14'a... Piston, 14'b... Hydraulic chamber, 14c, 14'c...
Return spring, 16... Drive cylinder, 1
8...assist lever, 12...power intermittent means,
20A... Friction plate, 22... Transmission gear, 22a... Boss part, 24... Rear wheel drive gear, 24a... Boss part, 28... Input gear, 28a
...Boss part, 30...One-way clutch, 32
...Transmission cylinder, 36...Transmission ring, 37...Bolt, 38, 38'...Bearing, 40...Engine, 40A...Input element, 42...Front differential, 42A...Housing, 44
...Rear differential, 50...Front wheel, 5
2...Rear wheel, C...Clutch, O1, O2...O
Ring, P1, P2... Patsukin.

Claims

[Scope of utility model registration request]

In the center differential of a four-wheel drive vehicle, a one-way clutch is interposed between the front differential of the front wheel drive system on the output side of the engine and the front wheels are driven only during a specified driving time.
A power disconnection means is provided to connect and disconnect power between the power transmission element of the rear wheel drive system and the input element of the front differential, and the power disconnection means has disk-shaped friction plates facing each other. and a hydraulic cylinder device for pressing the clutch, the hydraulic cylinder device comprising a cylindrical piston that engages with the clutch via a bearing. Center differential device.