JPS5898499U

JPS5898499U - water pump

Info

Publication number: JPS5898499U
Application number: JP19539281U
Authority: JP
Inventors: 田島　真幸
Original assignee: 日野自動車株式会社
Priority date: 1981-12-26
Filing date: 1981-12-26
Publication date: 1983-07-04

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は一般的なウォータポンプを示す縦断図、第２図
は本考案の一実施例における要部の拡大部分断面図、第
３図は第２図の■−■線に沿う断面図、第４図は掻落部
材の拡大斜視図である。１・・・ポンプケーシング、２・・・渦室、３・・・羽
根車、４・・・吸水口、５・・・軸、６・・・軸受孔、
７・・・軸受部材、８・・・水シール、９・・・オイル
シール、１．０・・・ドレン孔、１１シ・・掻落部材、
ｌｌａ・・・長溝、ｌｌｂ・・・透孔、１２・・・収容
凹所、１３・・・スプリング。Fig. 1 is a longitudinal sectional view showing a general water pump, Fig. 2 is an enlarged partial sectional view of the main parts in an embodiment of the present invention, Fig. 3 is a sectional view taken along the line ■-■ in Fig. 2, FIG. 4 is an enlarged perspective view of the scraping member. DESCRIPTION OF SYMBOLS 1... Pump casing, 2... Vortex chamber, 3... Impeller, 4... Water inlet, 5... Shaft, 6... Bearing hole,
7... Bearing member, 8... Water seal, 9... Oil seal, 1.0... Drain hole, 11... Scraping member,
lla...Long groove, llb...Through hole, 12...Accommodating recess, 13...Spring.

Claims

[Scope of utility model registration request]

A shaft having an impeller fixed to one end thereof is inserted into a bearing hole formed in a pump casing, and this shaft is rotatably supported by a bearing member arranged at a position apart from the impeller,
A water seal is provided at the impeller side end in the bearing hole, and an oil seal is provided at the bearing member side end, and further,
One end of the casing is located between the two seals of the bearing hole.''
In a water pump equipped with a drain hole that opens into the
Scraping at a position related to the drain hole opening in the bearing hole.
An autopump characterized in that a member is provided on the outer periphery of the shaft so as to be in constant sliding contact with the shaft in a non-rotating state.