JPH0439362U

JPH0439362U -

Info

Publication number: JPH0439362U
Application number: JP8031390U
Authority: JP
Priority date: 1990-07-26
Filing date: 1990-07-26
Publication date: 1992-04-03

Description

[Brief explanation of the drawing]

第１図は本考案にかかる歯車変速機の一例の断
面図、第２図はそのアクスルハウジングの内側面
図、第３図は第２図の−線拡大断面図である
。１ａ……アクスルハウジング（ケース）、３…
…出力軸（歯車軸）、３ａ……潤滑孔、２２……
リングギヤ、３０……案内面、３１……軸受ボス
、３２……軸受孔、３５……オイル連通溝、３６
……オイル受け用リブ、３７，３８……軸受ボス
（凸部）、３９……オイル案内用リブ、４０……
隙間。 FIG. 1 is a sectional view of an example of a gear transmission according to the present invention, FIG. 2 is an inner side view of an axle housing thereof, and FIG. 3 is an enlarged sectional view taken along the line -- in FIG. 1a...Axle housing (case), 3...
...Output shaft (gear shaft), 3a...Lubrication hole, 22...
Ring gear, 30... Guide surface, 31... Bearing boss, 32... Bearing hole, 35... Oil communication groove, 36
...Oil receiving rib, 37, 38...Bearing boss (protrusion), 39...Oil guide rib, 40...
gap.

Claims

[Scope of Claim for Utility Model Registration] A lubrication hole is formed in the axial center of a gear shaft that rotatably supports a gear, one end of which communicates with the inside of the gear,
The other end of the lubrication hole is opened in the shaft end face of the gear shaft, and the end of the gear shaft with the lubrication hole opened is inserted and supported in a bearing hole provided on the inner surface of the case, An oil communication groove extending radially outward from the bottom of the bearing hole is formed in the bearing boss protruding from the periphery, and an oil communication groove is formed on the inner surface of the case.
A guide surface that guides oil scraped up by a large diameter gear arranged parallel to the gear shaft toward the bearing boss, and a guide surface below the guide surface that receives oil that has fallen from the guide surface and guides it to an oil communication groove. A receiving rib is formed, and a convex part is integrally provided on the inner surface of the case between the guide surface and the oil receiving rib, and the lower part of the convex part guides oil toward the oil communication groove. A lubrication structure for a gear shaft, characterized in that oil guide ribs are arranged in series, and a gap is provided between the lower end of the oil guide rib and the bearing boss.