JP2002356927A - Hollow water-proof ventilation plate for building, and ventilation device for building using the same ventilation plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilation member for a building capable of solving difficulties in conventional technique to favorably conduct ventilation in a room, and surely prevent invasion of foreign matter such as rain, snow, dust, and insects from the outside into the room. SOLUTION: This hollow water-proof ventilation plate for a building is installed on a part of a building for ventilation from the inside of the building to the outside of the building. The hollow water-proof ventilation plate comprises a hollow base body of a rectangular form having a rectangular cross section, and 3-D fine fiber filter which can be deformed to fill the cross sectional form of the hollow base body. At least in a part of the hollow base body, the 3-D fine fiber filter is filled to disconnect one end of the hollow base body from the other end.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a building,
Eaves, parapets, under gusts, fascia, side walls, etc., installed in the back of the shed, ventilation layers and side walls and indoor hollow waterproof ventilation plate suitable for ventilation of the room, especially,
Ventilation inside and outside the building such as the back of a hut is possible,
Moreover, through the hollow waterproof ventilation plate for the building,
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hollow waterproof ventilation plate for buildings capable of preventing rain, snow, dust, insects, birds, and other foreign substances from entering a room from the outside, and a building structure using the same.

[0002]

2. Description of the Related Art Conventionally, in buildings such as ordinary houses,
When a heat insulating material such as polystyrene foam, polyurethane foam, or glass fiber is placed between the outer wall and the inner wall to improve the heat insulation between the outside and the room, and to increase the heating efficiency and cooling efficiency. There are many. Therefore, in the building such as the general house, the air permeability between the room and the outside is reduced, and the humidity in the room is easily increased,
There has been a risk that dew condensation, mold and the like will occur on the indoor wall surface.

[0003] Therefore, in recent years, particularly in a cold district where a heating device is used for a long period of time, natural convection of air is used to discharge indoor humid air to the outside to ventilate the building. A ventilation layer is provided on the outside of the heat insulating material, ventilation holes are provided at the junction between the roof and the outer wall, and air inside the building is passed through the ventilation holes provided at the roof ridge and at the junction between the roof and the outer wall. In many cases, a roof ventilation device configured to exhaust moisture to the outside is provided.

Meanwhile, as a technique relating to this type of roof ventilation device, there is one disclosed in, for example, Japanese Patent No. 2610342. This patent No. 261034
The ridge cover member according to the publication No. 2 is a ridge cover member attached to a roof ridge for performing ventilation from indoors to outdoors, and the ridge cover member has two plate-shaped members extending in the ridge direction. The ridge ventilation member is formed so that the cross-sectional shape of the ridge ventilation member is substantially inverted V-shaped, and each ridge ventilation member is tapered from the upper surface to the lower surface, and each ridge ventilation member has a large number from one side to the other side. Are provided so as to provide the communicating vent holes.

[0005] In the ridge cover member according to the above-mentioned Japanese Patent No. 2610342, the lower surface of the ridge ventilation member has a negative pressure due to the airflow flowing downward from the ridge portion along the surface of the roof, and the ridge ventilation member has an upper surface. It has the effect of sucking indoor air from the vent holes on the side and exhausting it to the outside of the room.

[0006]

However, the prior art described above has the following problems. That is, in the case of the ridge cover member according to the above-mentioned Japanese Patent No. 2610342, the plate-shaped ridge ventilation member attached to the roof ridge is provided with a large number of ventilation holes communicating from one side to the other side. However, in the event of storms or snowstorms, foreign matter such as rain, snow, dust, or insects can enter the building through the ventilation holes in the ridge ventilation member due to the wind pressure of the air flowing up along the roof surface. It had a problem of intrusion.

Further, in the case of the ridge cover member according to the above-mentioned Japanese Patent No. 2610342, infiltration of rainwater is prevented by surface tension generated by wetting the surface of a large number of ventilation holes. Cannot be expected to have the effect of preventing intrusion due to this surface tension, and thus has a problem that it is defenseless against intrusion.

[0008] Therefore, when a ridge cover member as disclosed in the above-mentioned Japanese Patent No. 2610342 is used, it is possible to improve indoor ventilation, but on the other hand, depending on the outdoor weather, the ridge ventilation member may be used. Foreign matter, such as rain, snow, dust, or insects, penetrates into the attic from the outside through the ventilation holes, wets the attic, soils it, and lowers the housing environment.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and the main object of the present invention is to make it possible to perform good ventilation in a room and to prevent rain from outside. It is an object of the present invention to provide a building ventilation member capable of reliably preventing foreign substances such as snow, dust, and insects from entering a room.

[0010]

Means for Solving the Problems An invention according to claim 1 made to achieve the above object is provided for a building which is attached to a part of a building and ventilates from inside the building to outside the building. A hollow waterproof gas-permeable plate, comprising: a hollow substrate having a horizontally long rectangular cross section; and a three-dimensional fine fiber filter capable of deforming to conform to the cross-sectional shape of the hollow substrate. A hollow waterproof ventilation plate for a building, characterized in that a part of the body is filled with the three-dimensional fine fiber filter so as to shield between one end and the other end of the hollow base.

[0011] Similarly, a second aspect of the present invention is a hollow waterproof ventilation plate for a building which is attached to a part of a building and ventilates from inside the building to outside the building. Comprises a pair of horizontally long hollow bases having a rectangular cross section and a three-dimensional fine fiber filter, and the hollow base is brought into contact with the three-dimensional fine fiber filter with the opening of the hollow base as a whole. It is a hollow waterproof ventilation plate for buildings characterized by being arranged.

[0013] Similarly, the invention of claim 3 is the hollow waterproof ventilation for buildings according to claim 1 or 2, wherein a wall or a column for preventing the hollow substrate from bending is formed in the hollow substrate. It is a plate.

According to a fourth aspect of the present invention, the three-dimensional fine fiber filter is formed by three-dimensionally intertwining a metallic thread made of a synthetic resin or a fine fiber. 3. The hollow waterproof ventilation plate for buildings according to 2.

Similarly, the invention of claim 5 is the hollow waterproof ventilation plate for building according to claim 1 or 2, wherein the three-dimensional fine fiber filter prevents foreign matters other than air passing through the hollow base.

Similarly, the invention according to claim 6 is the hollow waterproof ventilation plate for a building according to claim 1 or 2, wherein the foreign matter other than air is rain.

According to a seventh aspect of the present invention, there is provided a hollow waterproof ventilation plate for a building according to the sixth aspect, wherein a water film is formed by retaining rainwater in the three-dimensional fine fiber filter, thereby preventing rainwater from entering. It is.

Similarly, the invention of claim 8 is the hollow waterproof ventilation plate for a building according to claim 1 or 2, wherein the foreign matter other than air is snow.

Similarly, the invention of claim 9 is the hollow waterproof ventilation plate for building according to claim 2, wherein a pair of hollow bases is fixed by at least one other plate-like member.

[0021] Similarly, the invention of claim 10 is the hollow waterproof ventilation plate for building according to claim 2, wherein the pair of hollow bases is formed of separate members.

Similarly, an eleventh aspect of the present invention is characterized in that the hollow waterproof ventilation plate for a building according to any one of the first to tenth aspects is attached near both ends of a plate-like member. It is a ventilation device for buildings.

Similarly, in the twelfth aspect, the hollow waterproof ventilation plate is provided in at least two layers.
2. The ventilation device for a building according to 1.

Similarly, in the invention of claim 13, the hollow waterproof ventilation plate provided in at least two layers has a communicating notch, and the communicating notch is filled with a filter member. It is a ventilation member for buildings of description.

Similarly, a fourteenth aspect of the present invention is a building structure wherein the hollow waterproof ventilation plate for a building according to any one of the first to tenth aspects is attached to a ventilation part of the building. is there.

According to a fifteenth aspect of the present invention, there is provided a building structure wherein the building ventilation member according to any one of the eleventh to thirteenth aspects is attached to a ventilation part of the building. is there.

[0025]

According to the present invention, there is provided a hollow waterproof ventilation plate for a building in which a pair of horizontally long rectangular base members having a rectangular cross section are disposed so that the openings thereof are entirely in contact with a three-dimensional fine fiber filter. Or, at least a part of the hollow base is filled with the three-dimensional fine fiber filter so as to shield one end and the other end of the hollow base. By attaching to a building roof or the like, air and moisture in the building can be exhausted to the outside of the building to efficiently ventilate the building.

Further, since the hollow waterproof ventilation plate for a building according to the present invention employs a three-dimensional fine fiber filter, it is ensured that foreign matters such as rain, snow, dust and insects enter the inside of the building. Can be prevented.

[0027]

Embodiments of the present invention will be described below with reference to the drawings.

Embodiment 1 FIGS. 1 to 3 are schematic structural views showing a house as a building to which a hollow waterproof ventilation plate for a building according to Embodiment 1 of the present invention is applied.

2 and 3, reference numeral 1 denotes a house as a building. The house 1 is roughly divided into a roof 3 and an upper part of a room 3 surrounded by side walls 2. ing. The roof 4 is, as shown in FIG.
The rafters 7 are attached to the both sides of the purlin 6 arranged at a predetermined interval in a state where the rafters 7 are obliquely inclined.
Is covered with a base plate 8 and a roofing material 9 such as a slate or a color steel plate is attached to the surface of the base plate 8. Further, as shown in FIG. 3, the side wall 2 is formed by standing the outer wall 10 and the inner wall 11 so as to face each other at a predetermined distance, and the outer wall 10 and the inner wall 11
(Or a heat insulating material), a ventilation layer 12 is formed. The ventilation layer 12 communicates with a ventilation hole 13 provided near the floor of the side wall 2 to the back of the cabin 14.

Further, a ridge vent 15 for exhausting the air from the back of the hut 14 to the outside is provided at a predetermined length along the ridge 5 in the ridge 5 of the roof 4. At the upper part of the roof 4, a hollow waterproof ventilation plate 17 for a building of the present invention having two ridge parcels 16 whose upper ends are connected so as to cover the ridge ventilation hole 15 is substantially shaped like a letter. They are arranged to form a shape. In addition, as shown in FIG. 3, the building hollow waterproof ventilation plate 17 is
In addition, it may be arranged on the nose cover 18 of the roof 4 or the drainage of the lower base of the side wall 2 or on the side wall in FIG.

The hollow waterproof ventilation plate for a building according to this embodiment is a hollow waterproof ventilation plate for a building which is attached to a part of a building and ventilates from inside the building to outside the building. The hollow waterproof ventilation plate includes a horizontally long hollow base having a rectangular cross section, and a three-dimensional fine fiber filter that can be deformed to conform to the cross-sectional shape of the hollow base, and at least a part of the hollow base is provided. The three-dimensional fine fiber filter is filled so as to shield one end and the other end of the hollow base.

That is, as shown in FIG. 4, the hollow base member 23 constituting the hollow waterproof ventilation plate 17 for a building includes a pair of flat upper plates 19 arranged so as to face each other with a predetermined gap therebetween. The lower plate 20 and the left and right side plates 21 are horizontally long and have a rectangular cross section. In this embodiment, the upper plate 19 and the lower plate 20 are appropriately positioned to prevent the hollow base 23 from bending. A number of ribs 22 are formed.
As shown in FIG. 5, the hollow base 23 constituting the hollow waterproof ventilation plate 17 for a building is made of a pair of flat upper and lower plates 19 and 20, for example, made of synthetic resin such as polypropylene (PP) or acrylic. Left and right side plates 21 and ribs 22
Are integrally formed by injection molding or the like.
If fire resistance or other performance is required, the hollow substrate 23 may be formed of ceramic, aluminum, steel, or the like, but not integrally formed by injection molding or the like. The hollow substrate 23 may be assembled by means, or the side surface may be formed in a trapezoidal shape (for example, a state inclined at 30 degrees from the vertical direction to the inside, as shown in FIG. 1).

The hollow waterproof ventilation plate 1 for a building according to the present invention.
7, the distance between the upper plate 19 and the lower plate 20 is 15 mm, and the distance between the ribs 22 is 15 to 21 mm, for example.
And a predetermined width (for example, about 50 mm) and length (for example, about 1800 mm) as a whole
It is formed so as to be cut out and used as needed. Note that the numerical values such as the distance between the upper plate 19 and the lower plate 20 and the distance between the ribs 22 are merely examples, and needless to say, other values may be set.

The hollow substrate 23 is filled with a three-dimensional fine fiber filter so that at least a part of the inside thereof is shielded between one end and the other end of the hollow substrate 23. It can be by several means. That is, for example, when the hollow base 23 does not have the ribs 22, the hollow base 23 is formed or compressed according to the cross-sectional shape formed by the pair of flat upper and lower plates 19 and 20, and the left and right side plates 21. What is necessary is just to fill the three-dimensional fine fiber filter.

In the above case, the three-dimensional fine fiber filter is
The hollow base 23 may be filled so as to cover one end and the other end thereof, and may be entirely filled between the one end and the other end of the hollow base 23 or may be partially filled between the one end and the other end. . Also,
The three-dimensional fine fiber filter may be simply filled in the hollow base 23, or may be welded or bonded inside the hollow base 23.

Further, for example, when the hollow substrate 23 is
6, the upper plate 19, the side wall 21, and the rib 22 of the hollow base 23 are formed with a predetermined width W, as shown in FIG.
A notch 24 cut out by 15 mm (for example, 15 mm) may be provided along a direction perpendicular to the direction of communication of the hollow base 23, and the notch 24 may be filled with the three-dimensional fine fiber filter 25. When the hollow substrate 23 is formed of a synthetic resin such as polypropylene, the notch 25 may be configured so that the upper plate 19, the ribs 22 and the like are not provided in advance.

The three-dimensional fine fiber filter 25
Is cut out slightly wider than the width W of the cutout 24 formed in the hollow base 23, if the cutout 24 is pressed into the cutout 24 and filled therein, the elasticity of the three-dimensional fine fiber filter 25 causes the cutout 24 to enter the cutout 24. It can be filled in a fixed state, and may be welded or bonded in the cutout 24 as needed.

Further, the upper plate 19 in the hollow base 23 of the hollow waterproof ventilation plate 17 for buildings according to the present invention includes:
As shown in FIG. 7, a plate-shaped member 26 may be provided so as to cover the upper part of the notch 24 filled with the three-dimensional fine fiber filter 25.

In any case, as the three-dimensional fine fiber filter 25, as shown in FIG. 8, for example, a molten synthetic resin is drawn into water from a fine nozzle to form a thread made of synthetic resin. A part of the member 27 is adhered to each other, and is a cotton-like elastically deformable material of a three-dimensional nonwoven futon. For example, Saran Lock (registered trademark) manufactured by Asahi Kasei Corporation is used. . The three-dimensional fine fiber filter 25 has, for example, a porosity of about 95% and a specific surface area of 600 to 740 m ² / m ³ .
By changing the thickness (denier), bulk density, or porosity of the thread member 27 made of synthetic resin, various members can be manufactured, and a member having desired characteristics is appropriately selected and used. If fire resistance or other performance is required, use ceramic, aluminum, steel, etc.
A dimensional fine fiber filter 25 may be formed.

On the other hand, the hollow waterproof ventilation plate for a building according to this embodiment is a hollow waterproof ventilation plate for a building which is attached to a part of a building and ventilates from inside the building to outside the building. The hollow waterproof ventilation plate includes a pair of a horizontally long hollow base member having a rectangular cross section and a three-dimensional fine fiber filter. The hollow base member is provided in the three-dimensional fine fiber filter, and an opening of the hollow base member is provided. May be arranged so as to be entirely in contact with each other.

That is, as shown in FIG. 9A, the hollow waterproof ventilation plate 17 for a building according to the present invention is formed to be narrower than the hollow base 23 in the same manner as the hollow base 23 shown in FIG. (For example, 15 to 20 mm in width)
A pair of hollow bases 28 and 29 each having a trapezoidal side shape.
Are separated from each other by an appropriate distance W,
As shown in FIG. 9C, the notch 24 is filled with a three-dimensional fine fiber filter 25, so that the hollow substrate 2 is filled in the three-dimensional fine fiber filter 25.
The holes 8 and 29 may be arranged such that the openings of the hollow substrates 28 and 29 are entirely in contact with each other.

In the thus constructed hollow waterproof ventilation plate 17 of the present invention, the hollow bases 28 and 29 may be bonded to the three-dimensional fine fiber filter 25 to secure the structure. However, as shown in FIG. 9B, the plate-like members 30 and 31 are disposed on the upper and lower portions of the hollow waterproof ventilation plate 17 for a building, and the vertical direction of the cutout portion 24 is closed. The cut-out portion 24 may be filled with a three-dimensional fine fiber filter 25 and, if necessary, may be bonded to a surface with which the three-dimensional fine fiber filter 25 contacts.

As described above, the pair of hollow substrates 28 and 29
When the notch 24 is provided, the volume of the notch 24, in other words, the amount of the filter member is reduced by the hollow base 2.
It can be easily changed by adjusting the distance between 8, 29.

Further, in FIG. 9, a pair of hollow substrates 28, 2
9 are arranged to form a straight flow path,
The present invention is not limited to this, and a pair of hollow substrates 28, 29
May be arranged so that they form a flow path having a predetermined angle.

On the other hand, in this embodiment, FIGS.
As shown in FIG. 2, the hollow waterproof ventilation plate 17 for a building of the present invention configured as described above is used by being laminated in two layers.
Of course, it may be used in three or more layers.

When a hollow waterproof ventilation plate 17 for a building having a structure as shown in FIGS. 6 and 7, for example, is used, it may be used as a single layer or may be laminated in a desired number. Although a plurality of layers may be used, a plurality of layers may be used. For example, the notch 2 may be formed by omitting the plate-like member 26 in the building ventilation member 17 located at the upper portion.
By exposing the exposed portions 4 appropriately and combining them, the hollow waterproof ventilation plate 17 for upper and lower buildings can be obtained.
May be configured such that one three-dimensional fine fiber filter 25 is disposed therein.

Also, a hollow waterproof ventilation plate 17 for a building is used.
For example, in the case of using a structure as shown in FIG. 9A, plate members 30 and 31 are provided and
With the structure as shown in FIG. 9B, it can be used in the same manner as described above, and without arranging the plate members 30 and 31, for example, as shown in FIG. If the upper surface is bonded to the plate member 16 with a hot-melt adhesive or the like, and another lower plate member 32 is bonded to the lower surface, it can be used in the same manner as described above. In addition, another plate-shaped member 3
If the end of 2 is bent upward, it can be used as rain return 33.

The hollow waterproof ventilation plate 17 for buildings
The specific dimensions of the structure shown in FIG. 9 formed by laminating two layers are that the structure on the right side of the drawing consisting of the hollow bases 28 and 28 ′ has a width of 15 mm, a height of 30 mm, and a length of 1800 mm. The structure on the left side of the drawing composed of 29 and 29 'has a tapered shape in which one end face is cut at an angle of 30 degrees toward the lower side, the upper side is 25 mm, and the lower side is 8 mm.

Thus, the building ventilation device 34 of the present invention.
As shown in FIGS. 1 and 9 (c), the hollow waterproof ventilation plate 17 for a building constructed as described above is used.
Are connected to each other by being attached to the vicinity of both ends of the plate-like member 16 located on the upper surface, and the plate-like member 16 located on the upper surface is cut at a center portion thereof (not shown). ), The hollow waterproof ventilation plates 17 for buildings attached to both ends of the plate-like member 16 are arranged on both sides of the roof 4 as shown in FIG. Note that the plate-like member 16 may be formed of left and right separate members, and the left and right plate-like members may be connected to each other at the center.

As shown in FIG. 1, the left and right hollow waterproof ventilation plates 17 for a building, that is, the ventilation device 34 for a building of the present invention, connected to each other by the plate-like members 16 as described above, It is temporarily fixed to the base plate so as to be located on both sides of the roof 4 (in the direction of the ridge) in a manner to straddle the part 5, and is further fixed at the construction site with screw nails from the top of the bridge.

When a plurality of the building ventilation devices 34 are used and installed continuously over the entire length of the ridge, the building ventilation devices 34 are required to secure the waterproof function of the joint. It is preferable to dispose an elastic packing material between them.

The plate-like members 16 and 27 include:
For example, a plate-like member having a thickness of about 3 mm (trade name "Purapearl", manufactured by J-Beck Co., Ltd.), which is called a suction / discharge gutter, disclosed in Japanese Patent No. 2677319 is used.

In the above construction, the hollow waterproof ventilation plate 17 for a building according to this embodiment (that is, the ventilation device 34 for a building) provides good ventilation between the inside and outside of the building as follows. While achieving this, it is possible to reliably prevent foreign substances such as rain, snow and dust from entering the room from outside the building.

That is, in the hollow waterproof ventilation plate 17 for a building according to this embodiment, everything passing from one side to the other side is a three-dimensional fine fiber filter 2.
5, the three-dimensional fine fiber filter 25 is formed by three-dimensionally intertwining a metallic thread made of a synthetic resin or a fine fiber. Has little resistance and exhibits an effect of preventing intrusion only against foreign substances such as rain, snow and dust.

In particular, when foreign matter other than air is rain, 3
A water film is formed by retaining the rainwater in the one-dimensional fine fiber filter 25, whereby the infiltration of the rainwater can be effectively prevented.

In addition, since this type of conventional building ventilator is designed to prevent the infiltration of rainwater by applying surface tension due to wetting, almost all foreign substances other than air are snow. Helpless against the intrusion,
In the present invention, the invasion of snow can be reliably prevented by the three-dimensional fine fiber filter 25.

Further, foreign matters such as rain, snow, dust, and insects, which are prevented from entering by the three-dimensional fine fiber filter 25, are discharged with time depending on the wind direction outside the building, or rainwater infiltration and washing are repeated or repeated. The three-dimensional fine fiber filter 25 is not clogged because it is dried or melted by the exposure to snow or sunlight or the temperature rise.

According to the inventor of the present invention, when a hollow waterproof ventilation plate 17 as shown in FIG. 1 was experimentally manufactured and tested, it was ensured that rain and snow would enter even during a storm or a storm that exceeded a wind speed of 40 m / s. It was verified that it could be prevented.

Second Embodiment FIG. 10 shows a second embodiment of the present invention, and the same parts as those in the first embodiment will be described by assigning the same reference numerals.

In the second embodiment, as shown in FIG. 10, the hollow waterproof ventilation plate 17 for a building according to the present invention is disposed at the upper end of the side wall 2 of the house 1. The roof 4 of the house 1 includes a structural plywood 40 and a color steel plate 41 laid on the upper surface of the structural plywood 40. The outer wall 10 of the side wall 2 is connected to the structural plywood 4 from the indoor 3 side.
2, a polystyrene foam 43 as a heat insulating material, a double-lined liner roofing 44, and a color steel plate 45. The side wall 2 includes an outer wall 10 and an inner wall 1
1, a ventilation layer 12 is provided, and an opening 46 communicating the ventilation layer 12 with the room 3 is provided at the upper end of the inner wall 11.

Further, between the upper end of the inner wall 11 and the structure 47 for supporting the roof 4, a hollow waterproof waterproof ventilation plate for a building is provided so as to communicate the room 3 and the ventilation layer 12 in the side wall 2. 17 is arranged below the opening 46 of the inner wall 11. Of course, the hollow waterproof ventilation plate 17 for buildings of the present invention
The above arrangement positions are merely examples, and are not limited to these.

The architectural hollow waterproof ventilation plate 17
The structure is substantially the same as that used in the first embodiment. For example, as shown in FIG.
9 and the side walls 21 and the ribs 22 with a predetermined width (for example, 15 m).
m), a notch 24 is provided along a direction orthogonal to the direction of communication of the hollow base 23.
Even if the filter is filled with the dimensional fine fiber filter 25,
As shown in FIG. 11B, the hollow substrate 23 shown in FIG.
In the same manner as described above, a pair of hollow bases 28 and 29 each having a width smaller than that of the hollow base 23 and having a trapezoidal side surface of only one (28) are separated by an appropriate distance to form a cutout. 24, and the notch 24 may be filled with the three-dimensional fine fiber filter 25.

In each case, FIGS. 11C and 11D
As shown in FIG.
11 (a), the notch 24 is closed, and in the one shown in FIG. 11 (b), a pair of hollow bases 28 and 29 are further integrated. They may be connected together. In addition, the plate-shaped member 4 located at one end
As shown in FIG. 11D, 8 and 49 may be set slightly longer in preparation for processing such as coking.

In the hollow waterproof ventilation plate 17 for a building according to the second embodiment, ventilation between the room and the outside can be satisfactorily achieved, and foreign matters such as dust and insects enter the room from the outside. It is possible to reliably prevent it.

The other configuration and operation are the same as those of the above-described embodiment, and the description thereof will be omitted.

[0066]

As described above, according to the present invention, good ventilation between the inside of the building and the outside of the building is achieved, and foreign matters such as snow, rain, dust and the like enter the inside of the building from outside the building. Thus, it is possible to provide a hollow waterproof ventilation plate for a building, which can surely prevent such a situation from occurring.

[Brief description of the drawings]

FIG. 1 is a cross-sectional configuration diagram showing a house using a hollow waterproof ventilation plate for a building according to Embodiment 1 of the present invention.

FIG. 2 is a schematic perspective view showing a house using a hollow waterproof ventilation plate for a building according to Embodiment 1 of the present invention.

FIG. 3 is a schematic configuration diagram showing a house using a hollow waterproof ventilation plate for a building according to Embodiment 1 of the present invention.

FIG. 4 is a perspective view showing a hollow base of the hollow waterproof ventilation plate for a building according to Embodiment 1 of the present invention.

FIG. 5 is a perspective view showing a base material for a hollow base of a hollow waterproof ventilation plate for a building according to Embodiment 1 of the present invention.

FIG. 6 is a perspective view showing a cutout portion of the hollow base according to Embodiment 1 of the present invention.

FIG. 7 is a perspective view showing a cutout portion of the hollow waterproof ventilation plate for a building according to Embodiment 1 of the present invention.

FIG. 8 is an external perspective view showing a filter member.

FIGS. 9A to 9C are configuration diagrams showing other hollow waterproof ventilation plates for buildings according to Embodiment 1 of the present invention.

FIG. 10 is a sectional view showing a house using a hollow waterproof ventilation plate for a building according to Embodiment 2 of the present invention.

11 (a) to 10 (d) are configuration diagrams showing hollow waterproof ventilation plates for buildings according to Embodiment 2 of the present invention.

[Explanation of symbols]

17: Building ventilation member, 19: Upper plate, 20: Lower plate, 2
2: rib, 24: notch, 25: filter member.

Claims (15)

[Claims] 1. A hollow waterproof ventilation plate for a building which is attached to a part of a building and ventilates from inside the building to outside the building, wherein the hollow waterproof ventilation plate has a horizontally long rectangular cross section. A hollow base, comprising a three-dimensional fine fiber filter that can be deformed to conform to the cross-sectional shape of the hollow base, at least in a part of the hollow base, so as to shield one end and the other end of the hollow base, A hollow waterproof ventilation plate for buildings characterized by being filled with the three-dimensional fine fiber filter. 2. A hollow waterproof ventilation plate for a building, which is attached to a part of a building and ventilates from inside the building to outside the building, wherein the hollow waterproof ventilation plate is horizontally long and rectangular in cross section. And a three-dimensional fine fiber filter.
A hollow waterproof ventilation plate for a building, wherein the hollow substrate is disposed on a three-dimensional fine fiber filter such that an opening of the hollow substrate is entirely in contact with the hollow substrate. 3. The hollow base is provided with a wall or a column for preventing bending of the hollow base.
2. A hollow waterproof ventilation plate for a building according to claim 1. 4. The building according to claim 1, wherein the three-dimensional fine fiber filter is formed by three-dimensionally intertwining a metallic thread made of a synthetic resin or a fine fiber. Hollow waterproof ventilation plate. 5. The hollow waterproof ventilation plate for a building according to claim 1, wherein the three-dimensional fine fiber filter prevents foreign matters other than air from passing through the hollow substrate. 6. The hollow waterproof ventilation plate for a building according to claim 1, wherein the foreign matter other than air is rain. 7. The hollow waterproof ventilation plate for a building according to claim 6, wherein a water film is formed by retaining rainwater in the three-dimensional fine fiber filter, thereby preventing rainwater from entering. 8. The hollow waterproof ventilation plate for a building according to claim 1, wherein the foreign matter other than air is snow. 9. The hollow waterproof ventilation plate for a building according to claim 2, wherein the pair of hollow substrates is fixed by at least one other plate-like member. 10. The hollow waterproof ventilating plate for a building according to claim 2, wherein the pair of hollow substrates are formed of different members. 11. A ventilation device for a building, wherein the hollow waterproof ventilation plate for a building according to any one of claims 1 to 10 is attached near both ends of a plate-like member. 12. The method according to claim 1, wherein the hollow waterproof ventilation plate has at least two holes.
The ventilation device for buildings according to claim 11, which is provided in a layer. 13. The hollow waterproof ventilation plate provided in at least two layers has a communicating notch, and the communicating notch is filled with a filter member.
The ventilation member for buildings according to 1. 14. A building structure wherein the hollow waterproof ventilation plate for a building according to claim 1 is attached to a ventilation part of the building. 15. A building structure, wherein the building ventilation member according to any one of claims 11 to 13 is attached to a ventilation section of the building.