JP2904259B2 - Ventilation fan mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation fan mounting device for mounting a ventilation fan in a through hole formed in a wall of a building.

[0002]

2. Description of the Related Art The present inventor has previously proposed a ventilation fan mounting device having a high crime prevention and disaster prevention effect (JP-A-6-323585).
issue). This device is a device for attaching a ventilation fan to a through hole formed in a wall of a building, and covers a tubular body for housing the ventilation fan and an opening on the building side of the tubular body with a lid so as to be openable and closable. That is.

[0003]

However, as a result of subsequent studies, it is expected that this device will be used in various environments. Depending on the place where the device is used, dust and air pollution outside the building may be present. It has been found that substances (such as nitrogen oxides) and harmful gases may enter the room through the ventilation fan (for example, along roads, industrial areas, dangerous areas, etc.).

Accordingly, an object of the present invention is to further improve the ventilating fan mounting device invented earlier and to provide a device in which measures such as dust proofing and gas proofing are taken.

[0005]

Means for Solving the Problems In order to solve the above problems,
According to the present invention, in a ventilation fan mounting device for mounting a ventilation fan in a through hole formed in a wall of a building, an L-shaped cylinder housing a ventilation fan therein is provided. It has an inside opening located inside the inside and a downward outside opening located outside the wall. The inside opening is covered with a lid so that it can be opened and closed, and a filter can be attached to and detached from the inside opening or the outside opening. It was configured to be attached to.

[0006]

[Function] By covering the opening on the building side with a filter,
Shut out dust, air pollutants, and harmful gases from outside.

[0007]

An embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a sectional view showing a state in which a ventilation fan mounting device 1 according to the present invention is mounted on a concrete wall W, and FIG. 2 is an overall perspective view of the ventilation fan mounting device 1. As shown in the figure, the ventilation fan mounting device 1 includes an L-shaped metal cylinder 5 that accommodates the ventilation fan 3.
In the cylindrical body 5, an inner opening 7 is formed inside the wall W (left side in FIG. 1), and a downward outer opening 9 is formed outside the wall W (right side in FIG. 1). . The ventilating fan 3 is an ordinary one that is commercially available and includes a fan F, a shutter S, a switch (not shown), and the like.

An exhaust filter 11 is attached to the inside opening 7 so as to be freely inserted and removed in a vertical direction (vertical direction in FIG. 1). The inside opening 7 is covered with a metal lid 13 so as to be openable and closable. A suction filter 15 is freely mounted in and out of the outside opening 9 in the lateral direction (left and right direction in FIG. 1), and a wire mesh 17 is attached to the outside opening 9. The ventilation fan 3 is rotatable in the normal and reverse directions. The intake filter 15 is attached at the time of intake and the exhaust filter 11 is attached at the time of exhaust.

As shown in FIG. 1, the lower plate 5a of the cylinder 5
The building slopes down from the inside to the outside so that rainwater and the like are easily drained out.

The lid 13 is attached to the cylinder 5 by a hinge 19. A double rising portion 13 is provided around the lid 13.
a, 13a, a groove is formed on three sides except the lower side of the lid 13, and a rubber packing 13 is formed at the bottom of the groove.
b is attached. Bend 1 on the lower side of lid 13
3c is formed, and the bent portion 13c is bent so as to open slightly outward from the position at a right angle.
The rubber packing 13d is stuck on the outer surface of.
When the lid 13 is closed, the edges of the upper plate and the side plate of the cylindrical body 5 are
3 and fits closely with the rubber packing 13b. On the other hand, the bent portion 13c of the lid 13 is
And the rubber packing 13
It adheres to the inside of the cylindrical body 5 via d.

A metal fitting 13e (FIG. 2) is attached to the upper part of the lid 5, while a fastening metal 21 for locking the metal fitting 13e is attached to the side plate of the cylindrical body 5. With this fastening fitting 21, even a woman or a child can easily lock the lid 13.

As shown in FIG. 1, a mounting member 2 is
3 is mounted by bolts 25, and the mounting bracket 23 is fixed to the wall W using bolts, anchor bolts and the like.
Further, a rubber packing 27 is arranged between the cylindrical body 5 and the wall W.

FIG. 3 is an exploded view showing details of the intake filter 15. The filter 15 is of a cassette type, and includes a handle 15a, a filter mounting frame 15b having an opening, a cassette type filter 15c, and a net 15d stretched over the opening of the mounting frame 15b. Four filter holding claws 15e are provided on the opening side of the filter mounting frame 15b. When the cassette type filter 15c is fitted into the opening of the mounting frame 15b, the surface of the cassette type filter 15c is pressed by the claws 15e, and the filter 15
c is firmly fixed in the opening.

The cassette type filter 15c can be replaced according to the application. For example, the filter is determined according to the environment in which the ventilation fan mounting device 1 is installed, such as a device dedicated to dust, a device suitable for air pollutants, a device blocking harmful gases, and the like.

The filter mounting frame 15b is inserted into a U-shaped frame receiver 29 provided below the cylindrical body 5, as shown in FIG. When the filter 15 is pushed in the lateral direction and inserted into the frame receiver 29, the holding springs 15f formed at both ends of the handle 15a are provided on receiving portions (not shown) provided on the side plate of the cylindrical body 5.
And the filter 15 is fixed. Mounting frame 15b
Since the entrance 31 is located inside the wall W, the filter 15 that covers the outer opening 9 can be easily attached, removed, and the filter can be replaced from inside the building.

The structure of the exhaust filter 11 is basically the same as that of the intake filter 15. However, exhaust filter 1
Hooks 11f are attached to both ends of one handle 11a (FIG. 2). A fastening bracket 33 is provided on the side surface of the cylindrical body 5.
Is attached, and the hook 11f is
To secure the filter 11 so that the filter 11 does not fall.

Now, with the above configuration, when exhausting,
The lid 13 is opened, and the exhaust filter 11 is mounted. The filter 11 is fixed by a fastening member 33. then,
For the intake filter 15, the cassette type filter 15c is removed, and only the filter mounting frame 15b is inserted into the frame receiver 29. Thus, the flow of the exhausted air is improved, and the accumulation of dust or the like in the groove of the frame receiver 29 is prevented. When the ventilation fan 3 is rotated in this way, the indoor air becomes
After passing through the cassette type filter 11c, it is discharged from the outside opening 9 to the outside of the room. At this time, if the outside air is
Even if the air enters the room through the inside, dust and contaminants are blocked by the filter 11c. Of course, when the indoor air is dirty, dust and contaminants in the indoor air are shut off by the filter 11c, purified, and exhausted.

On the other hand, at the time of intake, an intake filter 15 is mounted, and the intake filter 11 is a cassette type filter 11.
Remove c and insert only the filter mounting frame. As a result, dust, pollutants and harmful gases in the outside air are shut off.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various modifications and applications can be considered. For example, although described above as a building ventilation fan, the device of the present invention can be used not only in buildings, but also in all buildings that generally require ventilation, such as ships, airplanes, and vehicles. Further, in the above description, the cylindrical body 3 is a square cylindrical body, but the shape of the cylindrical body is not limited thereto, and for example, a cylindrical body may be used. Further, the filters 11 and 15 may not be attached to both, but only one of them may be attached according to the application.

The cassette type filter described in the above embodiment can be used not only in a ventilator but also in other air conditioners such as a room air conditioner and a general apparatus for performing intake and exhaust. In a conventional ventilation fan, air conditioner, or the like, the filter and its frame are fixed or integrated even if the filter is attached. Therefore, it was impossible to replace the filter itself according to the application, and such a concept itself did not exist. With a cassette type filter as in the above embodiment, the filter can be replaced according to the application. For example, it becomes easy to replace the filter according to the environment in which the ventilation fan or the air conditioner is installed, such as one dedicated to dust, one suitable for air pollutants, one that blocks harmful gases, and the like.

[0021]

According to the present invention, it is possible to provide a ventilation fan mounting device having a high dustproof and gasproof effect.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a state in which a ventilation fan mounting device according to the present invention is mounted on a wall.

FIG. 2 is an overall perspective view of the apparatus of FIG. 1;

FIG. 3 is an exploded view showing details of an intake filter.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Ventilation fan attachment device 3 Ventilation fan 5 Cylindrical body 7 Inside opening 9 Outside opening 11 Exhaust filter 13 Lid 15 Intake filter

Claims (2)

(57) [Claims] 1. A ventilation fan mounting device for mounting a ventilation fan in a through hole formed in a wall of a building, the device comprising an L-shaped cylinder for accommodating a ventilation fan therein, the cylinder being mounted on the wall. When having an inner opening located inside the wall and a downward outer opening located outside the wall,
A ventilation fan mounting device, wherein a filter is detachably attached to the outer opening, and the filter has an access port inside the wall. 2. The filter according to claim 1, wherein the filter includes a mounting frame, and a filter member that is exchangeably mounted on the mounting frame.
The mounting frame includes a handle, a filter mounting frame having an opening to which the filter member is mounted, and a net stretched over the opening, and a frame receiver is provided at the outer opening.
The ventilation fan mounting device according to claim 1, wherein the mounting frame is detachably inserted into the frame receiver.