JP2007292369A - Ventilation device for building and its mounting method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilation device for a building having irregularity on its external wall surface, in particular, applying a synthetic resin siding, and its mounting method. <P>SOLUTION: This ventilation device for the building is composed of a base 1 directly mounted on a base sheet, and an outdoor hood 2 detachably mounted on the base 1, the base 1 has an air pipe receiving hole 3 at its center, and a height of the base 1 is approximately same as an apparent thickness of a siding material. This mounting method of the ventilation device for the building applies the ventilation device mentioned above, and comprising a process for fixing a base sheet mounting plate portion of the base to the base sheet of the building in a state of being kept into contact therewith by fitting the air pipe receiving hole 3 of the base 1 to an opening portion of an air pipe projecting from the building, a process for mounting a net body and/or a louver to the base 1 by utilizing locking rods 14 vertically disposed near four corners of a top face portion 6 of the base 1, and a process for fitting a base mounting frame plate portion 8 of the outdoor hood 2 corresponding to a rising portion 5 of the base 1. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a building ventilator, and more particularly to a building ventilator using a synthetic resin siding as an exterior material and a method for attaching the ventilator.

  Conventionally, as a ventilation device for buildings, a ventilation device (see Patent Literature 1 and Patent Literature 2) in which a base fixed to an outer wall surface of a building and an outdoor hood are integrally formed, or a base (flange) and an outdoor hood are provided. There is known a ventilator (see Patent Document 3) that is configured as a separate body and that can attach and detach an outdoor hood from a base fixed to an outer wall surface of a building.

  The conventional ventilators described above are of a type in which the base is attached and fixed to the outer wall surface of the building. Therefore, when the outer wall surface of the building is hard and flat, it is between the base and the outer wall surface of the building. It has excellent waterproofness and installation stability without any gaps, and can be mounted and fixed with a good appearance.However, if there are irregularities on the outer wall of the building, there will be a gap between the base and the outer wall of the building. Waterproofness is impaired and it looks bad.

In recent years, an outer wall using a synthetic resin siding 21 as shown in FIG.
Such synthetic resin siding has excellent durability, no rust due to salt damage, no cracking due to freezing and thawing, no caulking at joints, excellent water repellency and impact resistance, light weight and good workability For this reason, it has come to be used for new construction or renovation of existing walls as a long-life exterior decorative material for general houses (see, for example, Patent Document 4).
Japanese Patent No. 3135208 JP 2005-291547 A JP 2003-202143 A JP 2000-240256 A

Therefore, when the synthetic resin siding 21 having the cross-sectional shape shown in FIG. 5 is used on the outer wall surface of the building, if the conventional ventilation device is attached and fixed on the outer wall surface, the base of the ventilation device will be described. And a synthetic resin siding surface partially create a large gap, impairing waterproofness and poor appearance.
In addition, if the caulking process is performed to fill the gap, it takes labor and cost, and the caulking will be thinned and cracked in less than a few years, or it will need to be repaired due to dirt or dust. In addition, there is a problem that if the caulking process is performed, it cannot be detached for maintenance.

Furthermore, since the synthetic resin siding is lightweight and elastic, the installation on the siding is not stable, and if the synthetic resin siding swings due to wind pressure due to strong wind after installation and fixing, it was fixed It is also assumed that the sealing performance between the ventilation pipe and the base is impaired by sliding at the attachment portion with the ventilation pipe and damaging the joint between the ventilation pipe and the base.

  The subject of this invention is providing the ventilation apparatus for buildings which has the unevenness | corrugation in an outer wall surface which can solve the above-mentioned problem, especially using a synthetic resin siding, and its attachment method.

The building ventilator of the present invention comprises a base that is directly attached to the base material and an outdoor hood that is detachably attached to the base, and the base has a structure having a ventilation pipe receiving hole in the center thereof. . In the building ventilator according to the present invention, the height of the base is preferably substantially the same as the apparent thickness of the siding material.
The building ventilation device mounting method according to the present invention includes the above-described building ventilation device base in which the ventilation pipe receiving hole is fitted into the opening of the ventilation pipe protruding from the building, and the base material mounting plate of the base Fixing the part to a base material of the building and fixing the net and / or the direction plate to the base using the locking rods standing near the four corners of the upper surface of the base And a step of fitting the base mounting frame plate portion of the outdoor hood in accordance with the rising portion of the base.

  The building ventilator of the present invention has a configuration in which the base is directly attached to the base material of the building, so it has excellent installation stability, the bottom of the base is not visible from the exterior, and the outdoor hood is from the outer wall surface. Since the external appearance protrudes integrally, it has a good appearance and is optimal as a ventilator for an uneven outer wall surface, particularly an outer wall surface using a synthetic resin siding material.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic perspective view showing a combination of a base of a building ventilator of the present invention and an outdoor hood, and FIG. 2 is a schematic diagram showing a part of the base of the building ventilator of the present invention. It is a general | schematic expanded sectional view.
FIG. 3 is a schematic side view showing a state before an outdoor hood is attached to the base of the building ventilator of the present invention, and FIG. 4 is a schematic diagram showing a use state of the building ventilator of the present invention. FIG. FIG. 5 is a perspective view showing an example of a synthetic resin siding material.

As shown in FIG. 1, the building ventilator of the present invention includes a base 1 and an outdoor hood 2 that is detachably attached to the base 1.
The base 1 covers a substantially square base material mounting plate portion 4, a rising portion 5 having a substantially square cross section that is the same as the center of the base material mounting plate portion 4, and an upper surface of the rising portion 5. A ventilation pipe receiving hole 3 for receiving a ventilation pipe is formed at the center of the upper surface part 6.

  The outdoor hood 2 has a substantially square frame plate-like cover portion 7 and a base mounting frame having a substantially square cross section, which extends in a rising manner on the base side and has the same center as the center of the frame plate-like cover material 7. It consists of a plate portion 8 (see FIG. 3) and a hood portion 9 that changes the direction of ventilation from the lateral direction to the downward direction from the frame plate-like cover material 7 to the opposite base side.

  The base material mounting plate portion 4 of the base 1 is used to fix the base 1 by directly contacting the base material such as a building column or inter-column, a structural plywood, a non-combustible material board, or a base material such as a trunk edge. The base 1 is fixed to the base material by screws or the like using the mounting holes 10 and 10 provided at the four corners and the central portion of one side of the base material mounting plate portion 4. At that time, between the base 1 and the base material, waterproofing is performed in advance with a waterproof sheet or waterproof tape that waterproofs the base material from rainwater.

  A ventilation pipe receiving hole 3 provided in the center of the upper surface portion 6 of the base 1 has a cylindrical ventilation pipe holding portion 3 ′ integrally extending downward, and an inner peripheral surface portion thereof is an outer wall of the building. The vent pipe receiving hole 3 of the base 1 is fitted into the opening of the vent pipe 12 which is shaped to be in close contact with the outer peripheral surface of the end portion of the vent pipe 12 (see FIG. 2) passing through the base. Then, the base 1, the ventilation pipe 12, and the base material are fixed by bringing the base material mounting plate portion 4 of the base 1 into contact with the base material and screwing using the mounting holes 10.

  As shown in FIGS. 1 and 2, a cutout portion 11 having an inverted L-shaped cross section is formed around the inner peripheral edge of the open end of the vent pipe receiving hole 3, and the vent pipe 12 is formed at the open end of the vent pipe 12. The holding portion 3 ′ and the subsequent ventilation pipe receiving hole 3 are inserted, and an adhesive such as an adhesive or a sealing agent is applied to the groove 13 formed between the outer peripheral surface of the opening end of the ventilation pipe 12 and the notch 11. By filling, the base 1 and the ventilation pipe 12 can be firmly fixed in close contact.

In the vicinity of the four corners of the upper surface portion 6 of the base 1, locking bars 14 are erected.
This locking rod 14 is for attaching a mesh body used for insect repellent and a direction plate for guiding the direction of air flow, and is provided with locking holes provided at four corners of the mesh body and the direction plate. The net body and the direction plate are easily set in the opening of the ventilation pipe 12 by being inserted into the stop rods 14, approaching the ventilation pipe receiving hole 3 side of the base 1, and attaching the outdoor hood 2 to the base 1. be able to.

Since the height of the base 1 is substantially the same as the apparent thickness of the synthetic resin siding 21 (see FIG. 4), the base 1 is attached to the base material 22, and the synthetic resin siding 21 is mounted on the base 1. When arranged around 1, the synthetic resin siding 21 does not protrude upward from the height of the base 1.
Therefore, when the outdoor hood 2 is attached to the base 1 fixed to the base material 22, the frame plate-like cover portion 7 of the outdoor hood 2 covers the boundary between the synthetic resin siding 21 and the base 1. In addition to preventing rainwater from entering from the portion, the appearance is improved, and further, an effect of fixing the end edge portion of the synthetic resin siding 21 at the boundary portion is also obtained.

As shown in FIG. 1, the rising portion 5 of the base 1 is provided with a convex portion 15 for engaging the outdoor hood 2, and the convex portion 15 is provided on the base mounting frame plate portion 8 of the outdoor hood 2. The outdoor hood 2 is attached to the base 1 simply by inserting the insertion hole 16 of the outdoor hood 2 into the engaging projection 15 of the base 1. Since the insertion hole 16 of the plate portion 8 is engaged with and locked to the convex portion 15 of the rising portion 5 of the base 1, the attachment can be easily performed.
In the figure, the projection 15 is provided on the rising portion 5 of the base 1 and the insertion hole 16 is provided on the base mounting frame plate portion 8 of the outdoor hood 2. A convex portion may be provided in the mounting frame plate portion 8, and a fitting hole may be provided in the rising portion 5 of the base 1.

When the outdoor hood 2 is removed from the base 1, the vicinity of the fitting hole 16 in the base mounting frame plate portion 8 of the outdoor hood 2 is removed from the convex portion 15 of the base 1 so as to bulge outward. To do.
The base mounting frame plate portion 8 of the outdoor hood 2 is provided with cutout holes 17 in the vicinity of both sides of the insertion hole 16 so that the projection 15 of the base 1 and the insertion hole 16 of the outdoor hood 2 can be easily attached and detached. It is like that.

On one side of the rising portion 5 of the base 1, a protrusion 18 is integrally provided in the center in the height direction of the base 1, and a screw for fixing the outdoor hood 2 is provided on the top surface of the protrusion 18. A stop hole 19 is provided.
As described above, the outdoor hood 2 is attached to the base 1 by inserting the insertion hole 16 in the outdoor hood 2 into the engaging convex portion 15 of the base 1, but further requires strong attachment. In that case, a hole is made in the corresponding part of the frame plate-like cover portion 7 of the outdoor hood 2, and a screw is screwed into the screw retaining hole 19 through this hole.
In addition, a hole may be provided in advance in a portion of the frame plate-like cover portion 7 corresponding to the outdoor hood 2 described above, and a hole can be easily formed on the base 1 side of the portion of the frame plate-like cover portion 7. You may make it provide the thin part which can be performed.

The frame plate-like cover portion 7 on the downward opening side of the outdoor hood 2 is integrally formed with an inclined plate 20 that rises downward along the edge.
This inclined plate 20 allows rainwater that has flowed down along the surface of the frame plate-like cover portion 7 of the outdoor hood 2, rainwater blown into the hood portion 9, or dew condensation water generated in a ventilation pipe, a net, etc. This is intended to prevent the lower edge of the plate-like cover 7 from being directly applied to the outer wall surface of the building, thereby preventing the occurrence of streak stains that have conventionally occurred on the outer wall surface of the building directly under the ventilation device. be able to.

In the above-described embodiment of the present invention, the base material mounting plate portion 4 and the rising portion 5 of the base 1 and the frame plate-like cover portion 7 and the base mounting frame plate portion 8 of the outdoor hood 2 are respectively Although a substantially square shape is shown, the present invention is not limited to these, and various shapes such as a circle and an ellipse or a combination thereof can be adopted.

The base 1 and the outdoor hood 2 constituting the ventilation device of the present invention are generally made of synthetic resin, but may be made of metal or the like.
The base 1 and the outdoor hood 2 are colored in various colors so that they can be selected according to the color of the outer wall of the building.

  According to the present invention, an exterior material having an uneven outer wall surface, particularly a building ventilation device optimal for synthetic resin siding and its mounting method can be provided, so that its industrial applicability is great.

It is a typical perspective view which shows the combination of the base of the ventilation apparatus for buildings of this invention, and an outdoor hood. It is a typical expanded schematic sectional view which shows a part of base of the ventilation apparatus for buildings of this invention. It is a typical side view which shows the state before attachment of the outdoor hood to the base of the ventilation apparatus for buildings of this invention. It is a typical schematic sectional view which shows the use condition of the ventilation apparatus for buildings of this invention. It is a perspective view which shows an example of synthetic resin siding.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Base 2 Outdoor hood 3 Ventilation pipe receiving hole 3 'Ventilation pipe holding part 4 Base material attachment plate part 5 Standing part 6 Upper surface part 7 Frame plate-shaped cover part 8 Base attachment frame board part 9 Hood part 10 Attachment hole 11 Notch Part 12 Ventilation pipe 13 Groove 14 Locking rod 15 Protruding part 16 Insertion hole 17 Notch hole 18 Projection part 19 Screw fixing hole 20 Inclined plate 21 Synthetic resin siding 22 Base material

Claims (3)

A building ventilator comprising a base that is directly attached to a base material and an outdoor hood that is detachably attached to the base, and the base has a ventilation pipe receiving hole in the center thereof. The building ventilator according to claim 1, wherein the height of the base is substantially the same as the apparent thickness of the siding. The step of fitting the ventilation pipe receiving hole of the base into the opening of the ventilation pipe protruding from the building, the base material mounting plate part of the base contacting and fixing the base material of the building, and the upper surface part of the base Using the locking rods erected in the vicinity of the four corners, the step of attaching the mesh body and / or direction plate to the base, and the base mounting frame plate part of the outdoor hood are fitted to the rising part of the base The method for attaching a building ventilator according to claim 1 or 2, comprising the steps.

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