JPH0244155U

JPH0244155U -

Info

Publication number: JPH0244155U
Application number: JP1988123802U
Authority: JP
Priority date: 1988-09-21
Filing date: 1988-09-21
Publication date: 1990-03-27

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す断面図、第２
図は他の実施例を示す要部断面図、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：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：ドツグギア
、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、２
２：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、３５：カバー、３６：導入通路、３７
：ピストン液室、３８：肉盗み部、３８Ａ：肉盗
み部外径面、３８Ｂ：肉盗み部内径面、３９：オ
イルシール、４０：板金部材、４１：チエーン室
。 Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a sectional view of a main part showing another embodiment, and FIG. 3 is a sectional view showing a conventional example. In the figure, 1, 2, 15: casing, 3: main shaft, 4, 5: 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: Dog gear, 16: Clutch gear, 17: Coupling sleeve, 18: Fork, 19: Wet multi-plate clutch mechanism, 20: Drum, 21, 24: Plate, 2
2: Drive sprocket, 23: Hub, 25:
Piston, 26: Driven sprocket, 27:
Chain, 35: Cover, 36: Introduction passage, 37
: Piston liquid chamber, 38: Threaded-out portion, 38A: Outer diameter surface of the cut-out portion, 38B: Inner diameter surface of the cut-out portion, 39: Oil seal, 40: Sheet metal member, 41: Chain chamber.

Claims

[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, 1. A seal structure for a four-wheel drive transfer device, characterized in that an oil seal is interposed between the tapped portion and a sheet metal member attached to the casing.