JP2603569Y2 - Communication passage fixed structure for ventilation fan - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION This invention relates to a structure for fixing a communication passage for a ventilation fan, and more particularly, to a through hole formed when a ventilation fan is fixed to a wall material, and a communication passage for a ventilation fan fitted into the through hole. The present invention relates to a fixing structure having high watertightness in a gap.

[0002]

2. Description of the Related Art Hitherto, ventilation fans have been installed everywhere in a building to carry out indoor air outside the room. In order to achieve the function of taking indoor air out of the room, the ventilation fan is provided with a pipe-shaped communication path that connects the inside and outside of the room with a through hole provided in the wall material, and a ventilation fan that operates in the communication path is provided. It is based on Therefore, the outside of the communication passage is exposed to wind and rain depending on the installation location of the ventilation fan. In order to prevent the wind and rain from entering the room through the communication passage, it is necessary to prevent the wind and rain from entering the room.
No. 2, pp. 7-28, 1993. A technique of providing a shutter like a ventilation fan shown in No. 2, or a duct having a downward opening on the outdoor side like a ventilation duct for preventing wind and rain entering shown in Japanese Utility Model Laid-Open No. 2-64843. Had been proposed.

On the other hand, in recent years, so-called pipe fans having a small ventilation fan which operates inside a pipe-shaped communication passage communicating between the inside and outside of the room have been widely provided for a space with a small ventilation volume such as a toilet. It has become. FIG. 7 shows a conventional structure for fixing a communication passage for a ventilation fan using a pipe fan. In this conventional example, the wall 10 is used to install the ventilation fan 42.
This is a structure for fixing a circular through hole 10A penetrating through the inside and outside of the room and a pipe-shaped communication path member located inside the through hole 10A and communicating between the inside and outside.

The ventilation fan 42 is a so-called pipe fan. That is, several fixing stays 41 fixed to the inner wall of the through hole 10A from the indoor side, and the fixing stays 41
A pipe fan main body 40 formed with an indoor hood 43 located on the indoor side of the vehicle is supported by a rotating shaft of a motor fixed inside the fixing stay 41, and the indoor hood 43 Is adopted.

[0005] The communication passage member is a through hole 1 from the outdoor side.
Sleeve 20 that is inserted into 0A and penetrates through hole 10A
Is formed from. The sleeve 20 is a through hole 1
0A, the inner pipe portion 21 located inside the
And a member formed from the outer pipe portion 23 located outside the room. The inner pipe portion 21 of the sleeve 20 thus formed is inserted into the through hole 10A, and the pipe fan body 4
The communication passage member is formed by fixing the fixing stay 41 of 0 to the inner pipe portion 21 without obstructing communication between the inside and the outside.

To fix the sleeve 20 to the through hole 10A,
A waterproof tape 25 is attached so as to cover the outer pipe portion 23 and the peripheral surface of the entrance of the through hole 10A.
By affixing a felt material 26 from above. When the application of the felt material 26 is completed, the backup material 27 is arranged at the boundary between the felt material 26 and the outer pipe portion 23 to form the outer wall panel 11. Then, the gaps between the outer wall panel 11 and the backup material 27 and the outer pipe portion 23 are filled with a caulking material 28.

The outer wall panel 11 is provided on the outside of the felt material 26.
Is formed, the pipe hood 3 is opened at the lower part of the outdoor side in order to prevent the invasion of wind and rain into the communication path member communicating between the indoor and the outdoor.
0 is connected to the sleeve 20. The gap between the pipe hood 30 and the outer wall material 11 is filled with a caulking material 35. On the indoor side of the ventilation fan communication passage, after forming the gypsum board 11 </ b> A forming the indoor side wall surface, the pipe fan main body 40 is connected to the inner pipe portion 21 of the sleeve 20. That is, by fixing the fixing stay 41 to the through hole 10A and fixing the ventilation fan 42 supported by the motor to the fixing stay 41, the pipe fan main body 40 is fixed to the sleeve 20.
Connect to

[0008]

However, it is difficult to fix the sleeve 20 to the through hole 10A. That is, the outer pipe portion 23 of the sleeve 20 is a curved surface, and the outer pipe portion 23 and the entrance peripheral surface of the through hole 10A are at a right angle, so that the waterproof tape 25 is easily displaced and does not wrinkle. is there. Therefore, it was relatively difficult to fix the watertightness.

The communication passage of the pipe fan is a sleeve 2
Since the diameter of 0 is small, there is a disadvantage that it is difficult to perform an operation for forming a fixing structure using a waterproof sheet or a caulking material. The problem to be solved by the present invention is to fix the ventilation fan communication passage with improved watertightness in the gap between the through hole formed when the ventilation fan is fixed to the wall material and the ventilation fan communication passage fitted in the through hole. It is to provide a structure.

[0010]

The present invention is to solve the above-mentioned problem. The communication passage fixing structure for a ventilation fan according to claim 1, wherein the wall 10 is provided for installing the ventilation fan 42.
Hole 10A penetrating the inside and outside of the vehicle, and the through hole 10A
And a communication path member that is located inside the inside and that communicates with the inside and outside of the vehicle. The communication path member is inserted into the through hole 10A from the outside and penetrates the through hole 10A, and It consists of an outdoor pipe-shaped member in which the ventilation fan 42 is arranged,
The outdoor pipe-shaped member 20 includes an inner pipe portion 21 located inside the through-hole 10A, an outer pipe portion 23 located outside the through-hole 10A, the inner pipe portion 21 and the outer pipe portion 2.
Than the inner diameter of the through hole 10A that is located at the boundary between the 3 and a large square flange-shaped flange portion 22, these inner pie
And the outer pipe portion 23 and the flange portion 22 are integrally formed.
The ventilation fan is brought into close contact with the periphery of the through hole 10 </ b> A on the outdoor side of the wall 10, and the surface on the inner pipe portion 21 side of the flange 22 and the outdoor side surface of the wall 10 are tightly fixed. Communication passage is formed, and the collar 22 and the outdoor
Waterproof from the outside along the four sides of the collar 22 between the surface
The tape 25 is stuck .

[0011]

The communication passage fixing structure for a ventilation fan according to the first aspect is formed in the following order. First, with respect to the through hole (10A) of the wall (10), the inner pipe portion (21) of the outdoor pipe-shaped member (20) and the surface of the flange portion (22) on the inner pipe portion (21) side from the outdoor side. It is inserted closely around the through hole (10A) on the outdoor side of the wall (10), and the inner pipe part (21) of the outdoor pipe-shaped member (20) communicates with the inside and outside of the room to form a communication path member. I do.

Then, a flange portion (22) of the outdoor pipe-shaped member (20)
The surface on the inner pipe portion (21) side and the outdoor surface of the wall (10) are tightly fixed. On the other hand, a ventilation fan (42) is provided on the indoor side of the outdoor pipe-shaped member (20). When formed as described above, water that has permeated along the outer surface of the outer pipe portion (23) of the outdoor pipe-shaped member (20) is excluded by the flange portion (22) so as not to move further indoors. be able to. Ma
The flange (22) is connected to the outer pipe (23) and the inner pipe (21).
Since it is formed integrally, it penetrates the inner pipe part (21)
By inserting it into the hole (10A), the communication between the room and the outdoor
The communication passage for the air fan can be formed, and at the same time, the wall (10)
And the flange (22) easily around the outdoor side of the through hole (10A).
Can be in close contact. Furthermore, the inner pipe part (21)
Pushing more than necessary to the depth of the through hole (10A)
Nor.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in more detail with reference to embodiments and drawings. Here, FIG. 1 is a sectional view showing an embodiment of the present invention. 2 to 6 are perspective views showing an assembling process of a main part of the embodiment shown in FIG.
First, the configuration of the present embodiment will be described.

In this embodiment, a circular through hole 10A penetrating the inside and outside of the wall 10 for installing the ventilation fan 42, and a pipe-shaped communication passage located inside the through hole 10A and communicating between the inside and outside of the room. This is a structure for fixing a member. In this embodiment, a relatively small pipe fan is used as the ventilation fan 42. That is, the pipe fan main body 40 is formed to include a rod-shaped fixing stay 41 fixed to the inner wall of the through hole 10A from the indoor side and an indoor hood 43 located on the indoor side of the fixing stay 41. . In the ventilation fan 42, the motor part of the ventilation fan 42 supported by a motor (not shown) is fixed to the fixing stay 41, and the indoor side portion is covered by the indoor hood 43.

A pipe-shaped communication path member located inside the through hole 10A and communicating between the inside and outside of the room is defined as
Sleeve 20 that is inserted into 0A and penetrates through hole 10A
Is formed from. This will be described in more detail. Sleeve 2
Numeral 0 denotes a cylindrical integrally molded product having a flange, and an inner pipe portion 21 located inside the through hole 10A and a through hole 1
0A, an outer pipe portion 23 located on the outdoor side, and a through hole 10A located at a boundary between the inner pipe portion 21 and the outer pipe portion 23.
And a quadrangular flange-shaped flange 22 larger than the inner diameter of the member. The inner pipe portion 21 of the sleeve 20 thus formed is inserted into the through hole 10A, and the flange portion 22 is brought into close contact with the periphery of the through hole 10A on the outdoor side of the wall 10, and the inner pipe portion 21 of the flange portion 22 is formed. Side face and wall 1
0 and closely fixed to the outdoor surface.

The surface of the flange 22 on the side of the inner pipe 21 and the wall 10
As a specific means for tightly fixing the outside surface of the wall, a fixing screw 24 penetrating the flange 22 is screwed into the wall 10 as shown in FIG. On the four sides of 22
Apply waterproof tape 25 to cover almost all of this
By applying the felt material 26 from above the waterproof tape 25 as shown in FIG. Collar 22
Has a square shape, so that the waterproof tape 25 can be easily attached. As shown in FIG. 3, the waterproof tape 25 is attached to the lower part of the flange 22 first, then to both sides, and finally to the upper part.

After the application of the felt material 26 is completed, a backup material 27 is arranged at the boundary between the felt material 26 and the outer pipe 23 as shown in FIG. 1 to form the outer wall panel 11. Then, the gaps between the outer wall panel 11 and the backup material 27 and the outer pipe portion 23 are filled with a caulking material 28.
After the outer wall panel 11 is formed on the outside of the felt material 26, the pipe hood 30 having an open bottom outside is connected to the sleeve 20 in order to prevent the invasion of wind and rain into the communication path member communicating between the inside and outside. That is, the pipe hood 30 has an insertion portion 31 having an outer diameter substantially the same as the inner diameter of the outer pipe 23 of the sleeve 20, and a circular flange portion 32 having an outer diameter larger than the insertion portion 31, As shown in FIG. 5, the pipe hood 30 is connected to the sleeve 20 by inserting the insertion portion 31 up to the circular flange portion 32 and fixing it. Further, as shown in FIG. 6, the gap between the flange portion 32 and the outer wall material 11 is filled with a caulking material 35.

On the indoor side of the ventilation fan communication path, after forming the gypsum board 11A forming the indoor side wall surface,
The pipe fan body 40 is connected to the inner pipe portion 21 of the sleeve 20.
Connect to That is, the fixing stay 41 of the pipe fan main body 40 is connected to the through hole 10 </ b> A on the indoor side with respect to the inner pipe portion 21.
To the inner wall of The motor part of the ventilation fan 42 supported on the rotating shaft of the motor is fixed to the fixing stay 41. Thus, the pipe fan main body 40 is connected to the sleeve 20. The fixing stay 41 does not prevent communication inside and outside the room.

Next, the operation of the above embodiment will be described. When the ventilation fan 42 rotates, the ventilation fan communication passage is formed by the communication passage member formed from the sleeve 20 with respect to the through hole 10 </ b> A penetrating the interior and exterior of the wall 10. Of the sleeve 20 enters the fixing stay 41 from the indoor hood 43 by rotation of the sleeve 20.
From the inside pipe section 21 to the outside of the pipe hood 30 through the inside of the outer pipe section 23.

When wind and rain is blown toward the outer wall panel 11, first, the pipe hood 30 substantially prevents rainwater from being blown into the communication path for the ventilation fan.
On the other hand, since the gap between the outer wall panel 11 and the pipe hood 30 is filled with the caulking material 35, the intrusion of rainwater from the gap is considerably prevented. The rainwater that has entered the cabin from the gap between the outer wall panel 11 and the pipe hood 30 beyond the caulking material 35 to the inside of the room by the caulking material 28 applied to the gap between the outer wall panel 11 and the backup material 27 and the outer pipe portion 23. The above intrusion is prevented.

The rainwater which could not be prevented from entering by the caulking material 28 can be removed by the felt material 26, the waterproof tape 25 and the flange 22 of the sleeve 20 so as not to move further into the room. Subsequently, effects of the above embodiment will be described. Since the communication path of the pipe fan has a small diameter, it is relatively difficult to perform a fixing work using a waterproof sheet or a caulking material. However, according to the above embodiment, when the ventilation fan 42 is fixed to the wall material 10, The watertightness in the gap between the formed through-hole 10A and the communication path for the ventilation fan fitted into the through-hole 10A could be improved by simple construction.

[0022]

According to the first aspect of the present invention, the gap between the through hole formed when the ventilation fan is fixed to the wall material and the communication passage for the ventilation fan fitted in the through hole is provided. It was possible to provide a ventilation passage communication passage fixing structure in which the watertight performance in the above was enhanced by simple construction. Ma
The flange is formed integrally with the outer and inner pipes.
Insert the inner pipe into the through hole
To form a communication path for a ventilation fan that connects the room and the outside.
At the same time, the wall and the flange can be
Construction can be easily attached to the surrounding area.
The work can be simplified and the time can be shortened. Further
The inner pipe part further than necessary to the depth of the through hole.
Insert the inner pipe into the through hole.
No need to be careful about the work to enter, and quick work is possible
Becomes

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a perspective view showing an assembling process of a main part of the embodiment shown in FIG. 1;

FIG. 3 is a perspective view showing an assembling process of a main part of the embodiment shown in FIG. 1;

FIG. 4 is a perspective view showing an assembling process of a main part of the embodiment shown in FIG. 1;

FIG. 5 is a perspective view showing an assembling process of a main part of the embodiment shown in FIG. 1;

FIG. 6 is a perspective view showing an assembling process of a main part of the embodiment shown in FIG. 1;

FIG. 7 is a sectional view showing a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Wall 10A Through hole 11 Outer wall panel 11A Gypsum board 20 Sleeve 21 Inner pipe part 22 Flange part 23 Outer pipe part 24 Fixing screw 25 Waterproof tape 26 Felt material 27 Backup material 28 Caulking material 30 Pipe hood 31 Insertion part 32 Circular part 35 Caulking material 40 Pipe fan body 41 Fixing stay 42 Ventilation fan 43 Indoor hood

Claims (1)

(57) [Scope of request for utility model registration] 1. A structure for fixing a through hole ( 10A) penetrating the inside and outside of a wall ( 10) for installing a ventilation fan ( 42 ) and a communication path member located inside the through hole ( 10A) and communicating between the inside and outside of the wall. a is, the communication passage member is inserted from the outdoor side to the through hole 10A through the through-holes 10A, made from the outdoor pipe-shaped member 20 which ventilating fan 42 is disposed in the indoor side, the outdoor pipe-shaped member 20 Are an inner pipe 21 located inside the through-hole 10A , an outer pipe 23 located outside the through-hole 10A , the inner pipe 21 and the outer pipe 2
Than the inner diameter of the through hole 10A that is located at the boundary between the 3 and a large square flange-shaped flange portion 22, these inner pie
And the outer pipe portion 23 and the flange portion 22 are integrally formed.
Is, the flange portion 22 in close contact around the through hole 10A of the outdoor side of the wall 10, the wall and the inner pipe section 21 side surface of the flange portion 22 1
The ventilation passage communication path is formed by closely fixing the outside surface of the wall 0 to the outside surface of the wall 10.
In between, waterproof tape from the outdoor side along the four sides of the collar 22
25. A communication passage fixing structure for a ventilation fan, wherein 25 is attached .