JPS5988559U

JPS5988559U - Vehicle gear box

Info

Publication number: JPS5988559U
Application number: JP18366982U
Authority: JP
Inventors: 一昭川端
Original assignee: 東洋電機製造株式会社
Priority date: 1982-12-06
Filing date: 1982-12-06
Publication date: 1984-06-15

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来から使用されている一例の歯車箱の正面図
、第２図は第１図のＸ−Ｘ線に沿う局部断面図、第３図
は本考案の一実施例による歯車箱の正面図、第４図は第
３図のＹ−Ｙ線に沿う局部断面図である。１．１′・・・歯車箱、１ａ・・・小歯車軸軸受ハウジ
ング取付部、１ｂ・・・車軸軸受ハウジング取付部、２
・・・上蓋、３・・・空気管、３ａ・・・空気管取付部
、４・・・キャップ、４ａ・・・通気穴、３０・・・エ
アブリーザ。Fig. 1 is a front view of an example of a gear box conventionally used, Fig. 2 is a partial sectional view taken along line X-X in Fig. 1, and Fig. 3 is a gear box according to an embodiment of the present invention. The front view and FIG. 4 are local sectional views taken along the line Y--Y in FIG. 3. 1.1'... Gear box, 1a... Small gear shaft bearing housing mounting part, 1b... Axle bearing housing mounting part, 2
...Top lid, 3...Air pipe, 3a...Air pipe attachment part, 4...Cap, 4a...Vent hole, 30...Air breather.

Claims

[Scope of utility model registration request]

A small gear provided on an electric vehicle as a power transmission mechanism for driving a wheel axle by the power of an electric motor, a large gear fitted to a wheel axle that meshes with the small gear, and roller bearings for the shaft and axle of the small gear, respectively. A gear box for a vehicle equipped with a structure in which roller bearings are supported by oil lubrication, an air pipe inserted into a hole that communicates air between the inside and outside of the gear box, and a cap attached to the air pipe. 1. A gear box for a vehicle, characterized in that an air breather constituted by the above is installed near an upper portion of a housing of a roller bearing that supports the small gear shaft.