JPS5898497U

JPS5898497U - water pump

Info

Publication number: JPS5898497U
Application number: JP19538481U
Authority: JP
Inventors: 秀夫根岸; 昌史山本
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 the drawing]

第１図は一般的なウォータポンプの縦断面図、第２図は
本考案の一実施例の要部の部分拡大断面図である。１・・・ポンプケーシング、′２・・・渦形室、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、１０・・・ドレン孔、１１・・・コイルス
プリング、１２・・・ブリッジ部材、１３・・・おもり
。FIG. 1 is a vertical cross-sectional view of a general water pump, and FIG. 2 is a partially enlarged cross-sectional view of essential parts of an embodiment of the present invention. 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, 10...Drain hole, 11... coil spring, 12... bridge member, 13... weight.

Claims

[Claims for Utility Model Registration] 1. A shaft having an impeller fixed to one end thereof is inserted into a bearing hole formed in a pump casing, and the shaft is rotatably supported by a bearing member arranged at a position apart from the impeller. a water seal is provided at an end on the impeller side in the bearing hole, an oil seal is provided on an end on the bearing member side, and one end is opened in the casing between the two seals in the bearing hole. In a water pump with a drain hole,
A water pump characterized in that a coil spring is telescopically inserted into the drain hole. 2. The water pump according to claim 1, wherein the coil spring is locked at its upper end and has a weight at its lower end.