JPH01132857U

JPH01132857U -

Info

Publication number: JPH01132857U
Application number: JP2681488U
Authority: JP
Priority date: 1988-02-29
Filing date: 1988-02-29
Publication date: 1989-09-08

Description

[Brief explanation of the drawing]

第１図は本考案の実施例を示す歯車変速機の潤
滑装置の側断面図、第２図は第１図における同期
装置部の正面断面図、第３図は変速歯車による油
の掻き上げ状態を示す正面図、第４図は掻き上げ
られた油の潤滑経路を示す正面断面図、第５図は
同油の潤滑経路を示す側断面図、第６図は第４図
のＡ矢視図、第７図は従来の歯車変速機における
同期装置の側断面図である。図の主要部分の説明、２１……シフトフオーク
、２２……フオークシヤフト、２３……スリーブ
、２３ａ……円周溝、２４……キー、２５，２６
……シンクロナイザリング、２７，２８……ピー
ス、２９……ハブ、３０，３１……変速歯車、３
３……出力軸、３４，３５……オイルレシーバ、
３６……潤滑孔、３８……爪部。 Fig. 1 is a side sectional view of a lubricating device for a gear transmission showing an embodiment of the present invention, Fig. 2 is a front sectional view of the synchronizer part in Fig. 1, and Fig. 3 is a state in which oil is scooped up by the transmission gear. FIG. 4 is a front sectional view showing the lubrication path of the scraped up oil, FIG. 5 is a side sectional view showing the lubrication path of the same oil, and FIG. 6 is a view taken from arrow A in FIG. , FIG. 7 is a side sectional view of a synchronizer in a conventional gear transmission. Explanation of the main parts of the figure, 21...Shift fork, 22...Fork shaft, 23...Sleeve, 23a...Circumferential groove, 24...Key, 25, 26
... Synchronizer ring, 27, 28 ... Piece, 29 ... Hub, 30, 31 ... Speed change gear, 3
3... Output shaft, 34, 35... Oil receiver,
36...Lubrication hole, 38...Claw portion.

Claims

[Scope of utility model registration request]

In a gear transmission in which a sleeve is moved by a shift fork, and the sleeve changes the meshing of transmission gears via a synchronizer, an oil receiver having a notch at one end is provided on the inner wall of the shift fork, A lubrication device for a gear transmission, characterized in that a lubrication hole is provided at the bottom of the circumferential groove of the sleeve at a location where a key is disposed in the device, through which oil falling from the notch of the oil receiver passes.