JPH0367843U

JPH0367843U -

Info

Publication number: JPH0367843U
Application number: JP12493389U
Authority: JP
Priority date: 1989-10-24
Filing date: 1989-10-24
Publication date: 1991-07-03
Anticipated expiration: 2004-02-09
Also published as: JPH065547Y2

Description

[Brief explanation of the drawing]

第１図は本考案の第１の手段の一実施例を示す
ダクト用換気扇の取り付け断面図、第２図は同実
施例のダクト用換気扇のダクト接続部の正面図、
第３図は第２の手段の一実施例を示すダクト用換
気扇の取り付け断面図、第４図は同実施例のダク
ト用換気扇のダクト接続部の締め付け具取りはず
し時の断面図、第５図は同実施例のダクト用換気
扇の締め付け具の斜視図、第６図は第３の手段の
一実施例を示すダクト用換気扇の取り付け断面図
、第７図は従来のダクト用換気扇の取り付け断面
図である。１，１１，３１……本体、２，１２，３２……
送風機、４，１４，３４……吐出用開口部、６，
１６，４２……ダクト接続部、７，１７，３９…
…接続ダクト、８，１８，４１……シール部材、
９，１９……溝、２１……締め付け具、３５……
突出部、３６……ガイド部、３７……開口部、４
３……取付板。 FIG. 1 is an installation sectional view of a duct ventilation fan showing an embodiment of the first means of the present invention, and FIG. 2 is a front view of the duct connection part of the duct ventilation fan of the same embodiment.
FIG. 3 is a sectional view of the installation of a duct ventilation fan showing an embodiment of the second means, FIG. 4 is a sectional view of the duct ventilation fan of the same embodiment with the duct connecting part tightening tool removed, and FIG. FIG. 6 is a perspective view of a tightening tool for a duct ventilation fan according to the same embodiment, FIG. 6 is an installation sectional view of a duct ventilation fan showing an example of the third means, and FIG. 7 is an installation sectional view of a conventional duct ventilation fan. be. 1, 11, 31...Main body, 2, 12, 32...
Blower, 4, 14, 34...Discharge opening, 6,
16, 42...Duct connection part, 7, 17, 39...
... Connection duct, 8, 18, 41 ... Seal member,
9, 19...Groove, 21...Tightening tool, 35...
Projection part, 36... Guide part, 37... Opening part, 4
3...Mounting plate.

Claims

[Claims for Utility Model Registration] (1) A sealing member whose tip is folded back toward the main body and formed into a circular shape smaller than the outer diameter of the connecting duct on one side of a main body that has a built-in blower having a discharge opening. for a duct which has a plurality of grooves at its tip, has a plurality of grooves at its tip, and is connected to a duct connecting portion which is folded back toward the main body and formed into a circular shape smaller than the outer diameter of the connecting duct. Ventilation fan. (2) On one side of the main body containing the blower having the discharge opening, a sealing member whose tip is folded back toward the main body and formed into a circular shape smaller than the outer diameter of the connecting duct is provided on the inner periphery thereof. , a ring-shaped tightening tool that connects a duct connecting portion having a plurality of grooves at its tip and bending the tip inward to form a circular shape larger than the outer diameter of the connecting duct, and tightens the outer periphery of the duct connecting portion; A ventilation fan for ducts that is detachable. (3) A duct that has a main body with a built-in blower and a protrusion on the upper part of one side that has a discharge opening, and a seal member with a circular tip on the inner periphery, the tip of which is circular. a mounting plate having a connecting portion, a guide portion extending obliquely downward so that the protruding portion of the main body slides into the lower surface of the upper portion thereof, and an opening communicating with the discharge opening of the main body; The duct ventilation fan, wherein the seal member has an inner diameter at its tip smaller than an outer diameter of the connecting duct, and a part or the whole of the other end protrudes from the opening of the mounting plate toward the main body.