JPS59145637U

JPS59145637U - ventilation fan

Info

Publication number: JPS59145637U
Application number: JP3977483U
Authority: JP
Inventors: 博史坂田
Original assignee: 株式会社東芝
Priority date: 1983-03-22
Filing date: 1983-03-22
Publication date: 1984-09-28

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]

図は本考案の一実施例を示すもので、第１図は羽根車の
縦断面図、第２図は羽根車のボス部中央の背面図、第３
図及び第４図は羽根車の異なる取付は状態を示す換気扇
の縦断側面図である。１・・・羽根車、６・・・第１の被係合部、７・・・第
２の被係合部、訃・・モータ、９・・・回転軸、１１・
・・保合ピン（係合部材）、１７・・・ベルマウス。The figures show one embodiment of the present invention, in which Figure 1 is a longitudinal sectional view of an impeller, Figure 2 is a rear view of the center of the impeller boss, and Figure 3 is a rear view of the center of the impeller boss.
FIG. 4 is a vertical sectional side view of the ventilation fan showing different mounting conditions of the impeller. DESCRIPTION OF SYMBOLS 1... Impeller, 6... First engaged part, 7... Second engaged part, End... Motor, 9... Rotating shaft, 11...
... Retaining pin (engaging member), 17... Bell mouth.

Claims

[Scope of utility model registration request]

A motor, an impeller attached to the rotating shaft of the motor, a bell mouth provided around the outer periphery of the impeller,
It comprises a retaining member provided on the rotating shaft of the motor, and a plurality of engaged parts provided on the impeller and positioned at different positions in the digit axis direction, and the engaging member is engaged with any of the engaged parts. A ventilation fan characterized in that the relative position in the axial direction of the impeller and the bell mouth can be adjusted by aligning the impeller and the bell mouth.