JPH041736U

JPH041736U -

Info

Publication number: JPH041736U
Application number: JP4200890U
Authority: JP
Priority date: 1990-04-19
Filing date: 1990-04-19
Publication date: 1992-01-08

Description

[Brief explanation of the drawing]

第１〜４図は本考案の第１実施例としての車両
の駆動力伝達部調整用油圧式ピストン構造を示す
もので、第１図はその模式的な断面図、第２図は
本油圧式ピストンをそなえる４輪駆動用駆動力配
分機構を示す断面図、第３図はこの駆動力配分機
構を装備する自動車の駆動力伝達系の全体構成を
示す模式図、第４図はその作用を説明するための
模式図であり、第５図は本考案の第２実施例とし
ての車両の駆動力伝達部調整用油圧式ピストン構
造を示す模式的な断面図であり、第６，７図はい
ずれも従来の車両の駆動力伝達部調整用油圧式ピ
ストン構造を示す模式的な断面図である。２……エンジン、４……トルクコンバータ、６
……自動変速機、８……出力軸、１０……中間ギ
ヤ（トランスフアーアイドラギヤ）、１２……セ
ンタデイフアレンシヤル（センタデフ）、１４…
…前輪用の差動歯車装置、１５……ベベルギヤ機
構、１５Ａ……ベベルギヤ軸、１５ａ……ベベル
ギヤ、１６，１８……前輪、１７Ｌ，１７Ｒ……
前輪側車軸、１９……減速歯車機構、１９ａ……
出力歯車、２０……プロペラシヤフト、２１……
ベベルギヤ機構、２２……後輪用の差動歯車装置
、２４，２６……後輪、２５Ｌ，２５Ｒ……後輪
用車軸、２７……前輪用出力軸、２７ａ……中空
軸部材、２８……差動制限機構、２８ａ……前輪
出力側デイスクブレート、２８ｂ……入力側デイ
スクブレート、２９……後輪用出力軸、１１３…
…入力歯車、１１４ａ〜１１４ｆ……軸受、１１
５……トランスミツシヨンケース、１１５ａ……
エンドカバー、１１５ｂ……スペーサ部材、１１
６……支持部材、１１７ａ，１１７ｂ……油路、
１１７ｃ……受け渡し開口部、１２１……サンギ
ヤ、１２２……プラネタリピニオン（プラネタリ
ギヤ）、１２３……リングギヤ、１２４……入力
ケース、１２５……プラネツトキヤリア、１２５
ａ……ベースプレート部、１２５ｂ……プラネタ
リピニオン収容部、１２５ｆ……クラツチデイス
ク支持部、１２６……ピニオンシヤフト、１３０
……接続部材、１４０……ピストン、１４１……
第１ピストン、１４２……第２ピストン、１４３
……仕切プレート、１４４……油室（油圧室）、
１４４ａ……第１油室（第１油圧室）、１４４ｂ
……第２油室（第２油圧室）、１４５……中空軸
、１４５ａ……ピストン収容部（ピストン室）、
ＡＭ……４輪駆動用駆動力配分機構。 Figures 1 to 4 show a hydraulic piston structure for adjusting the driving force transmission part of a vehicle as a first embodiment of the present invention. A cross-sectional view showing a four-wheel drive driving force distribution mechanism equipped with a piston, Figure 3 is a schematic diagram showing the overall configuration of a driving force transmission system of a car equipped with this driving force distribution mechanism, and Figure 4 explains its operation. FIG. 5 is a schematic sectional view showing a hydraulic piston structure for adjusting the driving force transmission part of a vehicle as a second embodiment of the present invention, and FIGS. 1 is a schematic cross-sectional view showing a conventional hydraulic piston structure for adjusting a driving force transmission section of a vehicle. 2...Engine, 4...Torque converter, 6
... Automatic transmission, 8 ... Output shaft, 10 ... Intermediate gear (transfer idler gear), 12 ... Center differential (center differential), 14 ...
... Differential gear device for front wheels, 15 ... Bevel gear mechanism, 15A ... Bevel gear shaft, 15a ... Bevel gear, 16, 18 ... Front wheels, 17L, 17R ...
Front wheel side axle, 19... Reduction gear mechanism, 19a...
Output gear, 20... Propeller shaft, 21...
Bevel gear mechanism, 22... Differential gear device for rear wheels, 24, 26... Rear wheels, 25L, 25R... Axle for rear wheels, 27... Output shaft for front wheels, 27a... Hollow shaft member, 28... ...Differential limiting mechanism, 28a...Front wheel output side disc plate, 28b...Input side disk plate, 29...Rear wheel output shaft, 113...
...Input gear, 114a to 114f...Bearing, 11
5... Transmission case, 115a...
End cover, 115b...Spacer member, 11
6... Support member, 117a, 117b... Oil path,
117c...Delivery opening, 121...Sun gear, 122...Planetary pinion (planetary gear), 123...Ring gear, 124...Input case, 125...Planet carrier, 125
a...Base plate part, 125b...Planetary pinion housing part, 125f...Clutch disk support part, 126...Pinion shaft, 130
... Connection member, 140 ... Piston, 141 ...
First piston, 142...Second piston, 143
...Partition plate, 144...Oil chamber (hydraulic chamber),
144a...first oil chamber (first hydraulic chamber), 144b
...Second oil chamber (second hydraulic chamber), 145...Hollow shaft, 145a...Piston housing part (piston chamber),
AM...4-wheel drive power distribution mechanism.

Claims

[Scope of utility model registration request]

In a driving force transmission system of a vehicle, an adjustment member that adjusts the transmission state of driving force, an annular piston chamber provided in a rotating part of the driving force transmission system, and an annular hydraulic pressure formed inside the piston chamber. an annular piston that is installed next to the hydraulic chamber inside the piston chamber and moves in accordance with the hydraulic pressure in the hydraulic chamber to drive the adjustment member; a hydraulic pressure adjusting means for adjusting the hydraulic pressure in the hydraulic chamber; a delivery opening formed on the outer periphery of the rotating part for delivering and receiving hydraulic fluid through the hydraulic pressure regulating means; and a delivery opening inside the rotating part. an oil passage formed from the piston chamber to the hydraulic chamber, and the relationship between the inner diameter of the piston chamber, the outer diameter of the piston chamber, and the distance of the delivery opening from the axis of the rotating portion The centrifugal hydraulic pressure received by the piston from the hydraulic chamber side is 0 for the entire pressure receiving surface of the piston.
It is characterized by being set so that
Hydraulic piston structure for adjusting vehicle drive force transmission parts.