JPS5979737U

JPS5979737U - ventilation fan

Info

Publication number: JPS5979737U
Application number: JP17464182U
Authority: JP
Inventors: 岩村　義已; 森主　憲
Original assignee: 三菱電機株式会社
Priority date: 1982-11-18
Filing date: 1982-11-18
Publication date: 1984-05-30

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、第２図は、この考案の一実施例を示す断面図で
、第３図、第４図は各々本体枠及び化粧グリルの斜視図
である。図において、１は仕切部材、２は仕切部材の開口部、３
は換気ダクト、４は本体枠、５はプロペラファン、６は
駆動モータ、７は化粧グリル、８はスイッチである。な
お図中同一符号は、同一または相当部分を示す。1 and 2 are sectional views showing one embodiment of this invention, and FIGS. 3 and 4 are perspective views of the main body frame and decorative grille, respectively. In the figure, 1 is a partition member, 2 is an opening of the partition member, and 3
is a ventilation duct, 4 is a main body frame, 5 is a propeller fan, 6 is a drive motor, 7 is a decorative grill, and 8 is a switch. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

(1) In a ventilation fan that uses a propeller fan to perform ventilation from a ventilation duct embedded in an opening that communicates between indoor and outdoor partitioning members, the ventilation fan has a cylindrical shape whose outer diameter is inscribed in a part of the intake side of the ventilation duct; The cylindrical suction side end face has a bell mouth shape that spreads toward the suction side, and the cylindrical outlet side end face has a ring portion having an outer diameter smaller than the outer diameter inscribed in the ventilation duct; A drive motor mounting member formed in the axial direction of the ventilation duct connected to this main body frame, a drive motor fixed on the central axis of the main body frame by this mounting member, and a propeller attached to this drive motor from the blowout side end face. A propeller fan is attached such that a part of the fan protrudes, and a decorative grille is attached parallel to the partition member on the air outlet side so as to be slidable in the front and rear direction by a mounting member circumscribing the ring portion. Features a ventilation fan.

(2) Attach a switch to turn on and off the power to the drive motor to the part □ of the body frame that contacts the decorative grille mounting member, and when the decorative grille is pulled toward the indoor side, the switch becomes conductive, and the decorative grille The ventilation fan according to claim 1, which is a registered utility model, characterized in that the fan is mounted so that the switch is turned off when the outer peripheral portion comes into contact with a wall surface.