JPS60176044U - Ventilation fan for duct - Google Patents

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来例としてのダクト用換気扇を取付状態で示
す断面図、第２図は本考案の適用例としてのダクト用換
気扇を取付状態で示す断面図である。図において３は本
体、４は吸込グリル、４Ａは外周部、５は保持ばね、９
はリング溝、１０はシール材、Ｓ２は隙間、Ｗは壁体、
ｈは取付相手（丸孔・ダクト）である。なお、図中同一
符号は同−又は相当部分で示す。FIG. 1 is a cross-sectional view showing a conventional duct ventilation fan in an installed state, and FIG. 2 is a cross-sectional view showing a duct ventilation fan as an applied example of the present invention in an installed state. In the figure, 3 is the main body, 4 is the suction grill, 4A is the outer periphery, 5 is the retaining spring, 9
is the ring groove, 10 is the sealing material, S2 is the gap, W is the wall,
h is the mounting partner (round hole/duct). Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 壁体に設けられた丸孔や壁体に設けられたダクトとに圧
入保持させる円筒形の本体と、前記壁体の壁面側におい
て前記本体め前面に対して装着される吸入グリルとから
なり、前記吸込グリルにはその外周部の背面に前記丸孔
やダクトの開口部の外回りを壁面に圧接して囲む伸縮性
のあるシール材を装着したことを特徴とするダクト用換
気扇。It consists of a cylindrical main body that is press-fitted and held in a round hole provided in a wall or a duct provided in the wall, and an intake grill that is attached to the front surface of the main body on the wall side of the wall, The ventilation fan for a duct is characterized in that the suction grill is equipped with a stretchable sealing material on the back side of the outer circumferential portion thereof, which surrounds the outer circumference of the circular hole or the opening of the duct by pressing against the wall surface.