JPS62133063U

JPS62133063U -

Info

Publication number: JPS62133063U
Application number: JP2043686U
Authority: JP
Priority date: 1986-02-14
Filing date: 1986-02-14
Publication date: 1987-08-21

Description

[Brief explanation of the drawing]

第１図は本考案の実施例の断面図、第２図乃至
第５図は従来例を示し、第２図は電動開閉集塵ダ
ンパーの正面図、第３図は第２図の―断面図
、第４図は第２図の―断面図、第５図は第４
図の―断面図である。２；通気筒、５；通気筒遮断板、１３；突条、
１４；パツキン、１４ａ；パツキン、２０；間隙
。 Fig. 1 is a sectional view of an embodiment of the present invention, Figs. 2 to 5 show conventional examples, Fig. 2 is a front view of the electric opening/closing dust collection damper, and Fig. 3 is a sectional view of Fig. 2. , Fig. 4 is a sectional view of Fig. 2, and Fig. 5 is a cross-sectional view of Fig. 4.
This is a sectional view of the figure. 2; ventilation cylinder, 5; ventilation cylinder blocking plate, 13; protrusion,
14; Packing, 14a; Packing, 20; Gap.

Claims

[Scope of Claim for Utility Model Registration] A ventilation cylinder 2; a ventilation cylinder blocking plate 5 for opening and closing the ventilation cylinder 2; an actuating device 4 for operating the ventilation cylinder blocking plate 5;
10 and;; a ventilation cylinder 2 and a ventilation cylinder blocking plate end surface 5;
An end face gasket 14 is provided at the contact portion with a, and a side gasket 1 that abuts the side surface of the ventilation cylinder blocking plate 5 is provided.
4a to block the flow of air in the ventilation cylinder 2 when the ventilation cylinder blocking plate 5 is closed, a gap 20 is formed between the side gasket 14a and the ventilation cylinder blocking plate 5. In addition to preventing contact between the ventilation cylinder blocking plate 5 and the side packing 14a, the ventilation cylinder blocking plate 5 is provided with a protrusion 13 that comes into close contact with the outer edge of the side packing 14a when the ventilation cylinder blocking plate 5 closes the ventilation cylinder 2. Electric opening/closing dust collection damper.