JPS61149034U

JPS61149034U -

Info

Publication number: JPS61149034U
Application number: JP3067985U
Authority: JP
Priority date: 1985-03-04
Filing date: 1985-03-04
Publication date: 1986-09-13
Also published as: JPH02583Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す分解斜視図、
第２〜３図はその要部を示す分解斜視図、第４図
は本考案の要部を示す斜視図、第５〜６図は本考
案の作用を説明する断面図、第７図は床下換気装
置が取付けられた空気循環式の建物を説明する説
明図である。６……換気枠体、７……逆止弁体、９……断熱
遮蔽体、１０……カバー、１１……操作杆、１２
……仕切桟、１３……換気孔、５０……係止部。 FIG. 1 is an exploded perspective view showing an embodiment of the present invention;
Figures 2 and 3 are exploded perspective views showing the main parts, Figure 4 is a perspective view showing the main parts of the present invention, Figures 5 and 6 are sectional views explaining the operation of the present invention, and Figure 7 is under the floor. FIG. 2 is an explanatory diagram illustrating an air circulation type building equipped with a ventilation device. 6... Ventilation frame body, 7... Check valve body, 9... Heat insulation shield, 10... Cover, 11... Operation rod, 12
...Partition bar, 13...Ventilation hole, 50...Locking part.

Claims

[Scope of utility model registration request]

Ventilation hole 1 divided into left and right by partition bar 12
3, 13, and the ventilation hole 13.
, 13 on their rear sides independently, and a heat insulating shield 9 that can simultaneously shield both ventilation holes 13, 13 on their rear sides , a cover 10 that is provided with a large number of ventilation openings 69 to prevent the intrusion of small animals while ensuring ventilation, and that can be fitted to the front part of the ventilation frame 6 so as to cover the entire ventilation holes 13, 13, The check valve body 7 is rotatably attached to the upper edge portions of the ventilation holes 13, 13, and connects the ventilation holes 13 from outdoors to under the floor.
The heat insulating shield 9 allows air to flow freely through the ventilation frame 6 while blocking air flow in the opposite direction, and can be automatically opened and closed depending on the air flow. A locking portion 50 rotatably attached to the upper edge portion and provided on the upper edge portion is locked to the upper end portion 11a of the operating rod 11 that can slide in the vertical direction on the partition bar 12. An underfloor ventilation system characterized in that the heat insulating shield 9 can be opened and closed according to the vertical movement of the operating rod 11, and the cover 10 is provided with an opening 75 for operating the operating rod 11.