JPS63198937U

JPS63198937U -

Info

Publication number: JPS63198937U
Application number: JP9088387U
Authority: JP
Priority date: 1987-06-12
Filing date: 1987-06-12
Publication date: 1988-12-21
Also published as: JPH0334579Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例の断面図、第２図
はその動作説明図、第３図は従来の換気がらりを
設けた建物の正面図、第４図はその換気がらりの
断面図、第５図は同じくその換気ボツクスの斜視
図である。１……換気ボツクス、１ａ……前部空間、１ｂ
……後部空間、１ｄ……上壁、３……ストツパ、
４，５……開口、６……ダンパ、６ａ，６ｂ……
片。 Fig. 1 is a sectional view of an embodiment of this invention, Fig. 2 is an explanatory diagram of its operation, Fig. 3 is a front view of a building equipped with a conventional ventilation gate, and Fig. 4 is a sectional view of the ventilation gate. FIG. 5 is a perspective view of the ventilation box. 1...Ventilation box, 1a...Front space, 1b
...Rear space, 1d...Top wall, 3...Stopper,
4, 5...Opening, 6...Damper, 6a, 6b...
Piece.

Claims

[Scope of utility model registration request]

a ventilation box having a stopper at the boundary between the front space and the rear space and having openings in the front and upper walls of the rear space that open to the outdoors and indoors, respectively;
It is rotatably supported within the ventilation box around a substantially horizontal axis along the upper edge of the boundary portion, and rotates backwards when the incoming wind exceeds a predetermined wind pressure, so that each piece engages the upper wall and the stopper. A ventilation device comprising an L-shaped cross-section damper which together closes the opening in the upper wall and the boundary.