JPS5947396U

JPS5947396U - Blower bearing waterproofing device

Info

Publication number: JPS5947396U
Application number: JP14262582U
Authority: JP
Inventors: 池田　正次
Original assignee: 株式会社東芝
Priority date: 1982-09-22
Filing date: 1982-09-22
Publication date: 1984-03-29

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図は従来の送風機用立形回転電機の一部を切欠いた
断面図、第２図は本考案の一実施例を示す一部を切欠い
た断面図、第３図は第２図の要部拡大断面図、第４図Ａ
は本考案の防水シール板の平面図、第４図Ｂは第４図Ａ
のＩＶ−ＩＶ線に沿う矢視断面図、第５図は他の実施例
を示す円筒シール部の要部拡大断面図である。１・・・回転電機、２・・・フランジ、３・・・回転軸
、６・・・適確形防水カバー、７・・・防水カバーの端
周縁、１０・・・ケーシング、１３・・・環状の側板、
１３ａ・・・環状の側板の内周縁、１５・・・フランジ
上側の外インロー、１６・・・ファン、１７’−・・フ
ァンの背板、１８・・・ファンポス、２２・・・防水シ
ール板、２３・・・鍔、２４・・・同心円状の凸部、２
５・・・環状の突起、２７・・・平坦面、２８・・・隙
間、２９・・・防水シール板の背面。第３図−− ４ｑＩＪ久　− 第５図Fig. 1 is a partially cutaway sectional view of a conventional vertical rotating electric machine for blowers, Fig. 2 is a partially cutaway sectional view showing an embodiment of the present invention, and Fig. 3 is a main part of Fig. 2. Enlarged sectional view, Figure 4A
is a plan view of the waterproof seal plate of the present invention, and FIG. 4B is a plan view of the waterproof seal plate of the present invention.
FIG. 5 is an enlarged sectional view of a main part of a cylindrical seal portion showing another embodiment. DESCRIPTION OF SYMBOLS 1... Rotating electric machine, 2... Flange, 3... Rotating shaft, 6... Properly shaped waterproof cover, 7... End periphery of waterproof cover, 10... Casing, 13... circular side plate,
13a...Inner peripheral edge of annular side plate, 15...Outer spigot on the upper side of the flange, 16...Fan, 17'-...Fan back plate, 18...Fan post, 22...Waterproof seal plate , 23... Tsuba, 24... Concentric convex portion, 2
5... Annular projection, 27... Flat surface, 28... Gap, 29... Back side of waterproof seal plate. Figure 3 - 4q IJ Ku - Figure 5

Claims

[Scope of utility model registration request]

(1) A bearing waterproofing device for a blower, which is characterized in that a waterproof seal plate is provided at the rotating shaft penetration part of the upper flange of a vertical rotating electric machine, such as a fan mounted in a casing such as a multi-blade blower.

(2) The waterproof seal plate provided in the rotating shaft penetration part of the upper flange has a flange on the outer periphery and a concentrically bent convex part,
A bearing waterproofing device for a blower according to claim 1, which is a disk having a hole in the center and a protrusion projecting around the periphery of the hole.

(3) Fit and fix the inner circumferential edge of the lower annular side plate of the casing that surrounds the fan of the blower and the inside of the convex part of the waterproof seal plate to the outer spigot of the upper flange, and fix the tip of the convex part of the waterproof seal plate to the fan. A bearing waterproofing device for a blower according to claims 1 or 2, wherein the bearing waterproofing device is formed with a gap between the back plates of the blower.

(4) Scope of claims for utility model registration in which a labyrinth is formed by the edge of the properly shaped waterproof cover fixed to the end of the rotating shaft covering the protrusion protruding around the center hole of the waterproof seal plate provided in the rotating shaft penetration part A bearing waterproofing device for a blower according to items 1 to 3.