JPH10246480A - Ventilation wall structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate a siding work and enable a waterproof treatment with a least treatment time, to prevent an infiltration of rain through a hood and to exhibit a good appearance in a ventilation wall structure. SOLUTION: A ventilation duct 41 is mounted on an outer wall 31 provided with a siding 34. An intermediate frame member 1 is mounted on the siding 34 and the outer wall 31 by way of dry water stoppers 15, 16, while a ventilation duct 41 is fixedly secured to the intermediate frame member 1 by way of a dry water stopper 46. An external frame member 2 is mounted on the intermediate frame member 1 such that the ornamental frame member 2 covers the ventilation hood 44 and the intermediate frame member 1 which protrude from the surface of the siding 34.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation wall structure, and more particularly to a ventilation wall structure in which a ventilation path is provided on a wall surface of a building in which a siding is attached to an outer wall via a rim.

[0002]

2. Description of the Related Art Conventionally, ventilation walls are provided on the wall of a building for ventilation inside and outside the room for ventilation. This wall has a siding attached to the outer wall through the rim, and the ventilation path is composed of a cylindrical ventilation duct leading to the room and a ventilation hood protruding from the wall for rain.
The ventilation path is provided on the wall as follows. First, a hole is provided in the outer wall, and a ventilation duct is inserted into this hole. The ventilation duct has a collar, which is fixedly attached to the outer wall. Next, a ventilation hood is fitted and attached to the tip of the ventilation duct. Although this ventilation hood may be of a square type, a circular ventilation hood is often used in order to improve compatibility with a cylindrical ventilation duct. Thereafter, the siding whose end is processed in accordance with the shape of the ventilation hood is attached to the outer wall via the rim. FIG. 5 is a perspective view showing a state where a ventilation path is provided on a wall surface. As shown in the figure, the end of the siding 34 at the portion where the ventilation hood 44 is attached is machined to avoid interference with the ventilation hood 44.
The figure shows an example in which it is difficult to process the siding in accordance with the shape of the circular ventilation hood 44, and the end is processed in a straight line. In this case, since a large gap is formed between the ventilation hood 44 and the siding 34, it is necessary to fill the gap with a wet caulking material and perform a waterproof treatment.

[0003]

However, the above-mentioned prior art has the following problems. That is, when a circular ventilation hood is used, it is difficult to circularly process the end of the siding, so the siding end is processed in a straight line. In this case, a gap between the edge of the siding and the ventilation hood is formed. The large area must be waterproofed with a wet caulking material, which increases the processing time and impairs the appearance of the wall. In addition, at the time of strong wind and rain, the rainwater enters through the opening facing the lower side of the ventilation hood due to the strong wind. Furthermore, the ventilation hood is exposed from the wall surface, which impairs the beauty of the wall surface. An object of the present invention is to provide a ventilation wall structure for solving the above problems.

[0004]

In order to solve the above problems, the present invention has the following structure. That is, a ventilation duct with a flange is attached to the outer wall to which the siding is attached via the trunk edge by fixing the flange of the ventilation duct to the outer wall from the outdoor side, and the intermediate frame material is provided on the outer wall of the intermediate frame material. The dry water-stop material attached to the siding press-contact portion of the intermediate frame material is pressed against the siding press-contact portion and the siding so as to cover the flange of the ventilation duct via the dry water-stop material at the mounting portion. A ventilation hood with a collar attached to the outer wall so as to be inserted into the ventilation duct, and fixing the collar of the ventilation hood to a hood attachment portion of the intermediate frame material through a dry water-stopping material. Attached, the exterior frame material is attached to the intermediate frame material so as to cover the ventilation hood and the intermediate frame material protruding from the surface of the siding. That. The intermediate frame member has a substantially rectangular outer wall attaching portion having a first attaching surface for attaching a dry-type water blocking material to attach to the outer wall, and a duct hole through which the ventilation duct passes. A connecting portion that rises from the outer peripheral edge toward the outside of the vehicle, and a second attaching surface that is formed from the tip of the connecting portion to the outside of the connecting portion and that attaches a dry water-stopping material that is pressed against the siding. And a hood mounting portion formed from the connection portion toward the inside of the connection portion and having a surface to which the ventilation hood is mounted. In addition, the intermediate frame member is provided with a first attaching surface for attaching a dry-type water-stopping material to the outer wall and attaching the ventilation hood to the outside of the outer wall attaching surface and the ventilation duct. A substantially rectangular outer wall mounting portion having a duct hole, and a connecting portion rising from the outer peripheral edge of the outer wall mounting portion toward the outdoor side,
A siding press-contact portion formed from the tip of the connection portion to the outside of the connection portion and having a second attaching surface for adhering a dry water-stopping material that presses against the siding. Further, a predetermined gap is provided between the duct hole of the intermediate frame member and an outer diameter of the ventilation duct. Further, the exterior frame member is characterized by comprising a decorative portion provided on the front side and a frame portion provided on the side surface.

[0005]

Embodiments of the present invention will be described with reference to the drawings. The same components as those in the conventional example are denoted by the same reference numerals, and the present invention will be described. FIG. 1 is a cross-sectional view showing a ventilation wall structure of the present invention, FIG. 2A is a cross-sectional view of an intermediate frame material which is a component of the ventilation wall structure, FIG. 2B is a rear view of the intermediate frame material, and FIG. FIG. 2 is an exploded perspective view showing a ventilation wall structure.

As shown in FIG. 2, the intermediate frame member 1 has a substantially rectangular outer shape, and has a shape provided with a hole at the center thereof. This hole is a duct hole 11 through which the ventilation duct 41 passes.
In a, the diameter of the duct hole 11a is set so that a predetermined gap is provided in a state where the duct hole 11a passes through the ventilation duct. Around the duct hole 11a, a substantially rectangular outer wall attaching portion 11 having a first attaching surface 11b for attaching a dry-type water blocking material to attach to the outer wall is formed. Further, the outer wall mounting portion 1
1 has a plurality of screw holes 11c for attachment. The connecting portion 13 is formed so as to rise from the outer peripheral edge of the outer wall mounting portion 11 toward the outside of the room. The siding pressure contact portion 12 is formed from the tip of the connecting portion 13 toward the outside of the connecting portion 13. I have. The siding press-contact portion 12 has a second attaching surface 12a for attaching a dry water-stopping material that presses against the siding. Further, at the four corners on the outdoor side of the siding press-contact portion 12, prism-shaped support members 18 are provided. Further, a hood attachment portion 14 is formed from the connection portion 13 toward the inside of the connection portion 13. The hood mounting portion 14 has a surface (hereinafter, a hood mounting surface) 14 a for mounting the ventilation hood 44. And
The hood mounting portion 14 is provided with a working hole 14b for inserting a screw into the screw 11c and tightening the screw. The inner peripheral edge of the hood mounting portion 14 and the inner peripheral edge of the outer wall mounting portion 11 are connected by a connecting portion 17.

The wall on which the intermediate frame 1 is mounted is as follows. First, as shown in FIG.
Is provided with a hole for passing the ventilation duct 41.
A waterproof paper 32 is attached to the surface of the outer wall 31 to waterproof the outer wall surface. The outer wall 31 has a rim 33
The siding 34 is attached via the. The portion of the siding 34 to which the intermediate frame 1 is attached is machined into a shape that matches the outer shape of the outer wall attaching portion 11. Further, a ventilation duct 41 is fixed to the outer wall 31 by a plurality of screws 43 at a brim portion.

Then, the intermediate frame member 1 is attached.
At this time, the dry water-stopping material 15 is attached to the first attachment surface 11b of the outer wall attachment portion 11, and the dry water-stopping material 16 is attached to the second attachment surface 12a of the siding press-contact portion 12.
In this state, the indoor surface of the dry type water-stopping material 16 has a step toward the outdoor side by the sum of the thickness of the body edge 33 and the thickness of the siding 34 with respect to the indoor-side surface of the dry-type water stopping material 15. The intermediate frame member 1 is fixed with a plurality of screws 11d such that the outer wall mounting portion 11 covers the flange 42 of the ventilation duct 41 via the dry water blocking member 15. In this state, the dry water-stopping material 16 is pressed by the siding pressing portion 12. After tightening the screw 11d, the work hole 14b
Is waterproofed by closing with a stopper 14c. Finally, the ventilation hood 44
Is fitted into the ventilation duct 41 and the collar 45 is
6 and is attached to the hood attachment portion 14 of the intermediate frame 1.

As described above, if the intermediate frame member 1 is used, the outer wall mounting portion 11 has a substantially rectangular outer shape, so that the end of the siding 34 may be straight, and a large space is formed between the siding 34 and the ventilation hood 44. There is no gap. Then, between the intermediate frame member 1 and the siding 34 and between the intermediate frame member 1 and the outer wall 31 by attaching the dry water-stopping materials 15 and 16 to the first attaching surface 11b and the second attaching surface 12a. Since waterproofing can be performed, high waterproofness can be obtained without performing a time-consuming waterproofing treatment such as a wet caulking material.
Then, the duct hole 11a of the intermediate frame member 1 and the ventilation duct 41
A gap L serving as a margin for adjustment was provided between the outer diameter of the lens and the outer diameter. Due to this adjustment allowance, the hole provided in the siding 34 and the outer wall 3
Even when the position of the hole provided in the siding is shifted, the intermediate frame member 1 can be attached to the hole provided in the siding.

Further, in the ventilation wall structure of the present invention, the exterior frame member 2 is provided outside the siding press contact portion 12 on the outdoor side.
As shown in FIG. 3, the exterior frame member 2 includes a decorative portion 21 such as a ventilable grid provided on the front surface and a frame portion 22 provided on the side surface. The decorative part 21 may be a lattice other than a lattice. And exterior frame material 2 is siding 3
4 and the ventilation hood 44 projecting from the surface of
And is fixed to the support member 18 with screws or the like. By attaching this exterior frame member 2, since the wind does not blow directly into the opening of the ventilation hood 44, it is possible to prevent rainwater from entering during a strong wind and rain. Further, since the ventilation hood 44 is not exposed from the wall surface, the appearance is good.

The intermediate frame 1 having the ventilation wall structure described above.
Although the outer wall mounting portion 11 and the hood mounting portion 14 are provided, the outer wall mounting portion 11 may also serve as the hood mounting portion 14. FIG. 4 is a cross-sectional view showing an example in which the outer wall mounting portion 11 also serves as the hood mounting portion 14. The outer wall attaching portion 11 is a first attaching surface 1 for attaching the indoor side surface to the outer wall 31.
1b, and the outside surface is a hood mounting surface 14a for mounting the ventilation hood 44.

The intermediate frame 1 is mounted as follows. First, the dry water-stopping material 15 is attached to the first attaching surface 11b of the outer wall attachment portion 11, and the siding pressure contact portion 1 is attached.
The dry water-stopping material 16 is attached to the second second attaching surface 12b. In this state, the indoor surface of the dry type water-stopping material 16 has a step toward the outdoor side by the sum of the thickness of the body edge 33 and the thickness of the siding 34 with respect to the indoor-side surface of the dry-type water stopping material 15. The outer frame mounting portion 11 of the intermediate frame material 1 is a dry water-stopping material 1.
5 and is fixed with a plurality of screws 11d so as to cover the flange 42 of the ventilation duct 41. At this time, as shown in the figure, the ventilation duct 41 and a part thereof may be jointly fastened, or the whole may be jointly fastened. In this state, the dry water-stopping material 16 is pressed by the siding pressing portion 12. Finally, the ventilation hood 44 is fitted into the ventilation duct 41, and the collar 45 is attached to the hood attachment portion 14 of the intermediate frame member 1 via the dry water blocking material 46.

Since the outer wall mounting portion 11 also serves as the hood mounting portion 14, the mounting position of the ventilation hood 44 enters the wall surface, and the amount of projection of the ventilation hood 44 from the wall surface can be reduced. Further, by fastening the intermediate frame member 1 partially or entirely with the flange 42 of the ventilation duct 41, the number of man-hours and the number of screws used can be reduced.

[0014]

As described above, the ventilation wall structure of the present invention comprises a substantially rectangular outer wall attaching portion having a first attaching surface for attaching a dry-type waterproofing material to the outer wall, A siding pressure contact portion having a second attachment surface for attaching a dry water-stopping material to be attached, a connection portion connecting the outer wall attachment portion and the pressure contact portion, and a surface connected to the connection portion for attaching a ventilation hood. An intermediate frame member including a hood mounting portion was provided. Alternatively, the outer wall mounting portion also serves as a hood mounting portion. If the above-mentioned intermediate frame material is used, since the outer shape of the outer wall mounting portion is substantially rectangular, the processing of the siding end may be straight, and a large gap does not occur between the siding and the ventilation hood. Then, by attaching a dry water-blocking material to the first attaching surface and the second attaching surface, it is possible to obtain high waterproofness between the intermediate frame material and the siding and between the intermediate frame material and the outer wall. it can. Also,
In the ventilation wall structure of the present invention, since the outer frame material for covering the intermediate frame material and the ventilation hood is attached, the wind does not blow directly into the opening of the ventilation hood, so that rainwater can be prevented from entering in the case of strong wind and rain. Can be prevented. Also, since the ventilation hood is not exposed from the wall surface, the appearance is good.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a ventilation wall structure according to the present invention.

FIG. 2 is a view showing an intermediate frame member of the ventilation wall structure according to the present invention.

FIG. 3 is an exploded perspective view showing a ventilation wall structure according to the present invention.

FIG. 4 is a cross-sectional view illustrating an example in which an outer wall mounting portion also serves as a hood mounting portion.

FIG. 5 is a perspective view showing a state in which a ventilation path is provided on a wall surface according to a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Intermediate frame material 2 Exterior frame material 11 Outer wall attaching part 11b 1st sticking surface 12 Siding pressure contact part 12a 2nd sticking surface 13 Connecting part 14 Hood attaching part 14a Hood attaching surface 15, 16, 46 Dry water stopping material 21 Decoration Part 22 Frame L Adjustment allowance

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI E04B 2/56 644 E04B 1/68 E

Claims (5)

[Claims] 1. A ventilation duct with a flange is attached to an outer wall to which a siding is attached via a trunk edge by fixing a flange of the ventilation duct to the outer wall from the outdoor side, and an intermediate frame material is attached to the intermediate frame. The dry water-stopping material adhered to the siding press-contact portion of the intermediate frame material so as to cover the brim of the ventilation duct via the dry water-stop material at the outer wall mounting portion of the material, and the siding press-contact portion and the siding A flanged hood attached to the outer wall so as to be pressed against
The ventilation hood is attached to the hood attachment portion of the intermediate frame material by fixing the collar of the ventilation hood via a dry water blocking material, and the exterior hood material projects the ventilation hood and the intermediate frame material projecting from the surface of the siding. A ventilation wall structure, which is attached to the intermediate frame member so as to cover it. 2. The substantially rectangular outer wall attaching portion having a first attaching surface for attaching a dry water-stopping material to the outer wall and attaching a duct hole for passing the ventilation duct, A connecting portion that rises from the outer peripheral edge of the outer wall mounting portion toward the outside of the room; and a second portion that is formed from the tip of the connecting portion toward the outside of the connecting portion, and that attaches a dry water-stopping material that is pressed against the siding. A siding pressure-contact portion having an attachment surface, formed from the connection portion toward the inside of the connection portion,
The ventilation wall structure according to claim 1, further comprising a hood attachment portion having a surface on which the ventilation hood is attached. 3. The ventilation system according to claim 3, wherein the intermediate frame member includes a first attachment surface for attaching a dry-type water blocking material to the outer wall, and a surface provided on the outside of the outer wall attachment surface to which the ventilation hood is attached, and the ventilation member. A substantially rectangular outer wall mounting portion having a duct hole through which a duct passes, a connecting portion rising from the outer peripheral edge of the outer wall mounting portion toward the outside of the room, and being formed from the tip of the connecting portion to the outside of the connecting portion. 2. The ventilation wall structure according to claim 1, further comprising a siding press-contact portion having a second attachment surface for adhering a dry water-stopping material that presses against the siding. 4. The ventilation wall structure according to claim 2, wherein a predetermined gap is provided between the duct hole of the intermediate frame member and an outer diameter of the ventilation duct. . 5. The ventilation according to claim 1, wherein the exterior frame material comprises a ventilated decorative portion provided on a front surface and a frame portion provided on a side surface. Wall structure.