JPS62167933U

JPS62167933U -

Info

Publication number: JPS62167933U
Application number: JP5695386U
Authority: JP
Priority date: 1986-04-15
Filing date: 1986-04-15
Publication date: 1987-10-24

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す要部側断面図、
第２図は同全体側断面図、第３図は従来例を示す
要部側断面図である。１８……走行伝動軸、２１，２２……伝動ギヤ
、２６……後進クラツチ、２７……前進クラツチ
、２８……クラツチケース、３０……外支持筒部
、３８，３９……ピストン、４４，４５……内支
持筒部、４６，４７……クラツチ板、４８，４９
……クラツチ板、５３……連通孔、５５……給油
路、５６，５７……放出口、５８……開放端、６
５……内周面、６６……油溝。 FIG. 1 is a side sectional view of the main part showing an embodiment of the present invention;
FIG. 2 is a side sectional view of the entire structure, and FIG. 3 is a side sectional view of a main part showing a conventional example. 18...Traveling transmission shaft, 21, 22...Transmission gear, 26...Reverse clutch, 27...Forward clutch, 28...Clutch case, 30...Outer support tube, 38, 39...Piston, 44, 45...Inner support cylinder part, 46, 47...Clutch plate, 48, 49
...Clutch plate, 53...Communication hole, 55...Oil supply path, 56, 57...Discharge port, 58...Open end, 6
5...Inner peripheral surface, 66...Oil groove.

Claims

[Scope of utility model registration request]

A clutch case 28 that is not relatively rotatable and a transmission gear 21 that is relatively rotatable are provided on the transmission shaft 18, and an inner support cylindrical part protrudes from the side surface of the transmission gear 21 within the outer support cylindrical part 30 of the clutch case 28. 44 are nested, and the outer support cylinder part 30 and the inner support cylinder part 4
4 are provided with first and second clutch plates 46 and 48 that are not relatively rotatable, and are alternately arranged in parallel in the axial direction, and the pistons 3 of these first and second clutch plates 46 and 48 are arranged in parallel in the axial direction.
By pressing in the axial direction by 8 and releasing it, the power transmission between the transmission gear 21 and the clutch case 28 is disconnected and the inner support cylinder is opened from the outlets 56 and 57 of the oil supply passage 55 formed on the transmission shaft 18 side. Part 44
In a wet type clutch in which cooling oil is supplied to the first and second clutch plates 46 and 48 through a communication hole 53 formed in the inner support cylindrical portion 44 of the transmission gear 21,
A cooling device for a wet clutch, characterized in that a circumferential oil groove 66 is formed on an inner circumferential surface 65 at a position corresponding to the communication hole 53.