JPS5916924U

JPS5916924U - Ventilation fan for duct

Info

Publication number: JPS5916924U
Application number: JP11051682U
Authority: JP
Inventors: 光春中嶋
Original assignee: 三菱電機株式会社
Priority date: 1982-07-21
Filing date: 1982-07-21
Publication date: 1984-02-01

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図は従来例としてのダクト用換気扇を取付状態で示
す説明図、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縦断面図、第３図は取付部材のみ
を示す拡大平面図、第４図は取付板のみを示す拡大斜視
図である。なお、図中同一符号は同−又は相当部分を示
す。３・・・開口部、４・・・換気扇本体、５・・・化粧グ
リル、６・・・取付部材、７・・・つまみ、８・・・係
止部、９・・・軸部、１１・・・取付板、１２・・・係
止孔、１３・・・保持部、１４・・・回転規制部、１５
・・・貫通孔、１７・・・ばね。Fig. 1 is an explanatory diagram showing a conventional duct ventilation fan in an installed state, Fig. 2 is a vertical sectional view showing a duct ventilation fan as an application example of the present invention in an installed state, and Fig. 3 shows only the mounting members. FIG. 4 is an enlarged perspective view showing only the mounting plate. Note that the same reference numerals in the figures indicate the same or equivalent parts. 3... Opening, 4... Ventilation fan body, 5... Decorative grill, 6... Mounting member, 7... Knob, 8... Locking part, 9... Shaft part, 11 ... Mounting plate, 12... Locking hole, 13... Holding part, 14... Rotation regulating part, 15
...Through hole, 17...Spring.

Claims

[Scope of utility model registration request]

(1) For a mounting plate that has a locking hole in the opening of the ventilation fan body that allows the shaft of a mounting member with a knob that has a locking portion that protrudes laterally on the shaft to be inserted only in a specific direction. and a through hole is formed in the decorative grill attached to the opening of the ventilation fan main body at a position corresponding to the locking hole to allow insertion and rotation of the shaft portion of the mounting member,
Furthermore, the duct ventilation fan is configured such that the mounting member is equipped with an elastic body that biases the mounting member inserted into the locking hole through the through hole in the removal direction.

(2) The duct ventilation fan according to claim 1, wherein the shaft of the mounting member is formed into a plate shape, and the locking portion is formed integrally with the shaft in multiple stages.

(3) On the knob side of the locking portion of the mounting member, a rotation restriction portion that protrudes smaller than the locking portion is integrally formed with a step, and a rotation restriction portion of the locking portion is formed in the locking hole of the mounting plate. A ventilation fan for a duct according to claim 1 or 2, which is formed with a holding portion that engages with the holder.