JP7279950B2 - Ventilation system for top rail - Google Patents

Description

TECHNICAL FIELD The present invention relates to a headboard ventilation system that is arranged between an outer wall material of a building and a topboard that covers the upper part of the outer wall material.

Japanese Patent Laid-Open No. 2004-100010 proposes a ventilation system for a top rail which is arranged between an outer wall material of a building and a top rail covering the upper part of the outer wall material.

Japanese Patent No. 5259000

However, in Patent Document 1, a plurality of synthetic resin sheets each having an uneven cross-sectional shape are laminated and connected to each other by heat sealing to form a large number of ventilation holes penetrating from one side to the other side. Ventilation material ensures ventilation and waterproof performance.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a ventilation system for top rails that can prevent rainwater flowing through ventilation holes from reaching the rear plate of the ventilation member without using such a ventilation member.

The headboard ventilation system of the present invention according to claim 1 comprises an upper frame member 82 arranged on the upper part of an outer wall base member 81 of a building, a ventilation furring 83 arranged on the outer surface of the outer wall base member 81, It is used for a parapet 80 having an outer wall material 84 arranged on the outer surface of the ventilation furring strip 83 and a headboard 85 covering the upper frame member 82 and the outer wall material 84. A ventilating device for a top board that is disposed between and discharges the air that has ascended the ventilation furring 83 from the ventilation holes 27 , and is a ventilation member 20 that is disposed between the outer wall material 84 and the top board 85 , 20x includes a ventilation member front plate 22 raised from the front end of the ventilation member bottom plate 21, a ventilation member top plate 23 extending rearward from the upper end of the ventilation member front plate 22 , and the ventilation member bottom plate. The ventilation member front plate 22 is formed with the ventilation hole 27, and the ventilation hole 27 is an elongated hole whose height direction is shorter than its width direction. A plurality of ventilation holes 27 are formed in the width direction of the ventilation member front plate 22, and the air that has risen through the ventilation rim 83 is between the ventilation member bottom plate 21 and the ventilation member top plate 23. A ventilation passage A passing through is formed, the internal waterproof wall 25 is arranged in the ventilation passage A, and the upper end of the internal waterproof wall 25 is closer to the ventilation member front plate 22 than the lower end of the internal waterproof wall 25. , the upper end of the inner waterproof wall 25 is positioned higher than the ventilation hole 27;
According to a second aspect of the present invention, in the first aspect of the headboard ventilation system, the ventilation member front plate 22 is positioned forward of the outer wall member 84 .

According to the top rail ventilation system of the present invention, the upper end of the internal waterproof wall is closer to the ventilation member front plate than the lower end of the internal waterproof wall, and the upper end of the internal waterproof wall is positioned higher than the ventilation hole, It is possible to prevent rainwater flowing from the ventilation holes from reaching the ventilation member rear plate.

Sectional and perspective views of a ventilation system for a top rail according to an embodiment of the present invention, and a cross-sectional view showing a state in which the ventilation system for a top rail is installed on a parapet used as the roof of a building or the outer wall of a veranda. Enlarged cross-sectional view of the main part of FIG. 1(c) Explanatory drawing showing a part of construction of ventilation system for top rail according to the present embodiment. Sectional view and perspective view of a ventilation system for a top rail according to another embodiment of the present invention, and a cross-sectional view showing a state in which the ventilation system for a top rail is installed on a parapet used as a roof of a building or an outer wall of a veranda. Sectional view showing a state in which a top rail ventilation system according to still another embodiment of the present invention is installed on a parapet used as the roof of a building or the outer wall of a veranda. Assembly drawing and separation drawing of another embodiment of the ventilation member used in the ventilation device for topping of the present invention

A ventilation device for topping according to a first embodiment of the present invention comprises: a ventilation member disposed between an outer wall material and a topping; It consists of a ventilation member top panel extending rearward from the upper end of the front panel and an internal waterproof wall raised from the rear end side of the ventilation member bottom panel, and ventilation holes are formed in the ventilation member front panel, The ventilation hole is an elongated hole whose height direction is shorter than its width direction, and a plurality of ventilation holes are formed in the width direction of the ventilation member front plate, and the ventilation rib is raised between the ventilation member bottom plate and ventilation member top plate . The internal waterproof wall is arranged in the ventilation passage so that the upper end of the internal waterproof wall is closer to the ventilation member front plate than the lower end of the internal waterproof wall, and the upper end of the internal waterproof wall is It is positioned higher than the ventilation holes. According to the present embodiment, it is possible to prevent rainwater flowing from the ventilation holes from reaching the rear plate of the ventilation member.

According to a second embodiment of the present invention, in the headboard ventilation system according to the first embodiment, the front panel of the ventilation member is located forward of the outer wall material. According to this embodiment, the depth dimension of the ventilation passage can be increased, so that the rainwater that has flowed into the ventilation passage can be retained in the ventilation passage, and the rainwater will not enter the room.

A ventilating device for heading according to an embodiment of the present invention will be described below.
FIG. 1 is a cross-sectional view and a perspective view of a ventilation system for a top board according to an embodiment of the present invention, and a cross-sectional view showing a state in which the ventilation system for a top board is installed on a parapet used as the roof of a building or the outer wall of a veranda. .
Fig. 1(a) is a cross-sectional view of the ventilation system for the same top, Fig. 1(b) is a perspective view of the ventilation system for the same top, and Fig. 1(c) is a ventilation system for the same top. Fig. 10 shows a cross-sectional view showing the state installed on a parapet used as a

A parapet 80 of a building shown in FIG. and a coping 85 covering the upper frame member 82 and the outer wall member 84 .
The top rail 85 has a top surface portion 85a that covers the upper portion of the upper frame member 82 and the outer wall member 84, and a hanging member 85b that hangs down from the top surface portion 85a and is arranged on the side of the outer wall member 84.
The headboard ventilation system according to this embodiment is arranged above the outer wall material 84 of the building and inwardly from the hanging member 85b arranged outside the outer wall material 84. As shown in FIG.

The headboard ventilation system according to this embodiment includes an airtight member 10 covering the upper end of the outer wall material 84 and a ventilation member 20 arranged above the airtight member 10 . The airtight member 10 in this embodiment is composed of a parting edge 10A.
The parting edge 10A includes a parting edge top plate 11 covering the upper end of the exterior wall material 84, a parting edge front plate 12 hanging from the front end of the parting edge top plate 11, and a parting edge hanging from the rear end of the parting edge top plate 11. It consists of a rear edge plate 13 . The vertical length of the parting edge rear plate 13 is longer than the vertical length of the parting edge front plate 12 , and preferably 1.5 to 3 times the vertical length of the parting edge front plate 12 . The lower portion of the parting edge front plate 12 is bent rearward to form a folded portion 12a, and the lower portion of the parting edge rear plate 13 is bent forward to form a folded portion 13a.

The ventilation member 20 includes a ventilation member bottom plate 21 arranged to face the upper surface of the parting edge upper plate 11 which is the upper surface of the airtight member 10, and a ventilation member front plate 22 raised from the front end of the ventilation member bottom plate 21. , the ventilation member top plate 23 extending rearward from the upper end of the ventilation member front plate 22, the ventilation member rear plate 24 hanging from the rear end of the ventilation member top plate 23, and the rear end of the ventilation member bottom plate 21. It consists of an internal waterproof wall 25 that is raised.
A ventilation hole 27 is formed in the ventilation member front plate 22 . The ventilation hole 27 is an elongated hole whose height direction is shorter than its width direction, and a plurality of ventilation holes 27 are formed in the width direction.
A ventilation passage A is formed above the ventilation member bottom plate 21 and below the ventilation member top plate 23 , behind the ventilation member front plate 22 and in front of the ventilation member rear plate 24 .
The internal waterproof wall 25 is provided in the ventilation passage A.
The upper end of the internal waterproof wall 25 is positioned closer to the ventilation member front plate 22 than the lower end of the internal waterproof wall 25 and the upper end of the internal waterproof wall 25 is positioned higher than the ventilation holes 27 .

The first waterproof packing 31 is arranged on the upper surface of the parting edge top plate 11 , and the second waterproof packing 32 is arranged on the front surface of the parting edge rear plate 13 .
The first waterproof packing 31 and the second waterproof packing 32 are foamed rubber or resin material, and preferably EPDM rubber or thermoplastic elastomer having high waterproof performance and durability performance.
The first waterproof packing 31 and the second waterproof packing 32 are formed in a belt shape with the same length as the width direction length of the parting edge 10A, and are fixed to the parting edge 10A with an adhesive.
The first waterproof packing 31 is preferably arranged in the central portion of the parting edge upper plate 11 in the depth direction.
The second waterproof packing 32 is preferably arranged below the lower end of the parting edge front plate 12 .
The first waterproof packing 31 is compressed between the parting edge top plate 11 and the ventilation member bottom plate 21 during the construction shown in FIG. 1(c).
1(c), the second waterproof packing 32 is compressed between the front surface of the parting edge rear plate 13 and the outer wall material 84. As shown in FIG.

FIG. 2 is an enlarged sectional view of a main portion of FIG. 1(c).
In the top rail ventilation system according to this embodiment, the depth dimension L1 of the parting edge upper surface plate 11 is made larger than the thickness L2 of the exterior wall material 84, so that the draining space B is formed between the parting edge front plate 12 and the exterior wall material 84. forming
Also, in the ventilation system for topping according to the present embodiment, the front end of the parting edge top plate 11 protrudes forward from the front end of the ventilation member bottom plate 21 . An airtight member side air passage C is formed between the parting edge front plate 12 and the hanging member 85b, and a ventilation member side air passage D is formed between the ventilation member front plate 22 and the hanging member 85b. be done.
Therefore, the ventilation member-side air passage D has a larger ventilation passage depth than the airtight member-side air passage C, and the ventilation member-side air passage D and the airtight member-side air passage C have different depths. .

According to this embodiment, the upper end of the internal waterproof wall 25 is closer to the ventilation member front plate 22 than the lower end of the internal waterproof wall 25, and the upper end of the internal waterproof wall 25 is positioned higher than the ventilation holes 27. , the rainwater flowing from the ventilation holes 27 can be prevented from reaching the rear plate 24 of the ventilation member.
Further, according to this embodiment, the first waterproof packing 31 provides waterproofing between the parting edge top plate 11 and the ventilation member bottom plate 21, and the second waterproof packing 32 provides waterproofing between the front face of the parting edge rear plate 13 and the outer wall material. 84, waterproof performance can be secured between the upper end of the outer wall material 84 and the ventilation member 20, and rainwater rising along the outer wall material 84 is guided to the draining space B, Since it falls along the front plate 12, it is not guided to the front plate 22 of the ventilation member and does not flow into the ventilation passage A from the ventilation hole 27, so that it is excellent in waterproof performance.

In addition, according to the present embodiment, rainwater does not reach the ventilation holes 27 unless it rises through the airtight member side air passage C and the ventilation member side air passage D, so it is difficult for rainwater to flow into the ventilation passage A, and furthermore, it is waterproof. Excellent.
In addition, according to the present embodiment, by making the ventilation channel depth dimension of the ventilation member side ventilation channel D and the airtight member side ventilation channel C different, the flow velocity of rainwater changes and turbulence occurs, and the rainwater is ventilated. It is difficult to flow into passage A.

In the headboard ventilation system according to this embodiment, the ventilation member front panel 22 is located forward of the exterior wall material 84 and the ventilation member rear panel 24 is located rearward of the exterior wall material 84 .
Therefore, the depth dimension of the ventilation passage A can be increased, rainwater flowing into the ventilation passage A can be retained in the ventilation passage A, and rainwater will not enter the room.

In addition, in the top rail ventilation system according to this embodiment, the upper end of the internal waterproof wall 25 is closer to the ventilation member front plate 22 than the lower end of the internal waterproof wall 25, so that the rainwater flowing in from the ventilation hole 27 is prevented from reaching the ventilation member rear plate. 24 can be prevented.
In addition, in the ventilation system for top boards according to this embodiment, the air that has risen through the ventilation furring strip 83 passes through the ventilation passage A and is discharged from the ventilation holes 27 .

FIG. 3 is an explanatory view showing a part of the construction of the ventilation system for top rails according to this embodiment.
As shown in FIG. 3( a ), a moisture-permeable waterproof sheet 51 is attached to the exterior wall base material 81 .
Then, as shown in FIG. 3B, the ventilation member 20 is fastened with fasteners 52 to the outer wall base material 81 to which the moisture-permeable waterproof sheet 51 is attached.
After fixing the ventilation member 20 to the outer wall base material 81, the ventilation furring strip 83 is fixed to the outer wall base material 81 from above the ventilation member 20, as shown in FIG. 3(c).
In this way, by fastening the ventilation member rear plate 24 to the exterior wall base material 81 arranged closer to the building than the exterior wall material 84, the ventilation member rear plate 24 can be firmly attached and the ventilation furring strip can be fixed. When attaching the ventilation member 83 to the outer wall base material 81 , the ventilation member 20 can be sandwiched between the outer wall base material 81 by the ventilation furring strip 83 .

4A and 4B show a topboard ventilation device according to another embodiment of the present invention, FIG. 4A is a cross-sectional view of the same headboard ventilation device, FIG. 4B is a perspective view of the same headboard ventilation device, and FIG. (c) is a cross-sectional view showing a state in which the ventilation system for the top rail is installed on the roof of a building or on a parapet used as the outer wall of a veranda. The functional members that are the same as those in the above embodiment are given the same reference numerals, and the description thereof is omitted.
The headboard ventilation system according to this embodiment is the same as the above embodiment except that the airtight member 10B is formed of a backup material 10Ba and a sealing material 10Bb.

According to this embodiment, the upper end of the internal waterproof wall 25 is closer to the ventilation member front plate 22 than the lower end of the internal waterproof wall 25, and the upper end of the internal waterproof wall 25 is positioned higher than the ventilation holes 27. , the rainwater flowing from the ventilation holes 27 can be prevented from reaching the rear plate 24 of the ventilation member.
In addition, according to the present embodiment, rainwater does not reach the ventilation holes 27 unless it rises through the airtight member side air passage C and the ventilation member side air passage D, so it is difficult for rainwater to flow into the ventilation passage A, and furthermore, it is waterproof. Excellent.
In addition, according to the present embodiment, by making the ventilation channel depth dimension of the ventilation member side ventilation channel D and the airtight member side ventilation channel C different, the flow velocity of rainwater changes and turbulence occurs, and the rainwater is ventilated. It is difficult to flow into passage A.

In the headboard ventilation system according to this embodiment, the ventilation member front panel 22 is located forward of the exterior wall material 84 and the ventilation member rear panel 24 is located rearward of the exterior wall material 84 .
Therefore, the depth dimension of the ventilation passage A can be increased, rainwater flowing into the ventilation passage A can be retained in the ventilation passage A, and rainwater will not enter the room.

In addition, in the top rail ventilation system according to this embodiment, the upper end of the internal waterproof wall 25 is closer to the ventilation member front plate 22 than the lower end of the internal waterproof wall 25, so that the rainwater flowing in from the ventilation hole 27 is prevented from reaching the ventilation member rear plate. 24 can be prevented.
In addition, in the ventilation system for top boards according to this embodiment, the air that has risen through the ventilation furring strip 83 passes through the ventilation passage A and is discharged from the ventilation holes 27 .

FIG. 5 is a cross-sectional view showing a state in which a top rail ventilation system according to still another embodiment of the present invention is installed on a parapet used as the roof of a building or the outer wall of a veranda. 1 and 2 are denoted by the same reference numerals, and descriptions thereof are omitted.
The headboard ventilation system according to this embodiment is the same as the above embodiment except that the drainage space B as shown in FIG. 2 is not formed.
That is, in this embodiment, the parting edge front panel 12 is brought into contact with the exterior wall material 84 .

According to this embodiment, the upper end of the internal waterproof wall 25 is closer to the ventilation member front plate 22 than the lower end of the internal waterproof wall 25, and the upper end of the internal waterproof wall 25 is positioned higher than the ventilation holes 27. , the rainwater flowing from the ventilation holes 27 can be prevented from reaching the rear plate 24 of the ventilation member.
Further, according to this embodiment, the first waterproof packing 31 provides waterproofing between the parting edge top plate 11 and the ventilation member bottom plate 21, and the second waterproof packing 32 provides waterproofing between the front face of the parting edge rear plate 13 and the outer wall material. 84, waterproof performance can be ensured between the upper end of the outer wall material 84 and the ventilation member 20. - 特許庁

In addition, according to the present embodiment, rainwater does not reach the ventilation holes 27 unless it rises through the airtight member side air passage C and the ventilation member side air passage D, so it is difficult for rainwater to flow into the ventilation passage A, and furthermore, it is waterproof. Excellent.
In addition, according to the present embodiment, by making the ventilation channel depth dimension of the ventilation member side ventilation channel D and the airtight member side ventilation channel C different, the flow velocity of rainwater changes and turbulence occurs, and the rainwater is ventilated. It is difficult to flow into passage A.

In the headboard ventilation system according to this embodiment, the ventilation member front panel 22 is located forward of the exterior wall material 84 and the ventilation member rear panel 24 is located rearward of the exterior wall material 84 .
Therefore, the depth dimension of the ventilation passage A can be increased, rainwater flowing into the ventilation passage A can be retained in the ventilation passage A, and rainwater will not enter the room.

In addition, in the top rail ventilation system according to this embodiment, the upper end of the internal waterproof wall 25 is closer to the ventilation member front plate 22 than the lower end of the internal waterproof wall 25, so that the rainwater flowing in from the ventilation hole 27 is prevented from reaching the ventilation member rear plate. 24 can be prevented.
In addition, in the ventilation system for top boards according to this embodiment, the air that has risen through the ventilation furring strip 83 passes through the ventilation passage A and is discharged from the ventilation holes 27 .

6A and 6B show another embodiment of the ventilation member used in the ventilator for topping of the present invention, where FIG. 6(a) is an assembled drawing and FIG. 6(b) is a separated drawing.
A ventilation member 20X shown in FIG. 6 can be used in place of the ventilation member 20 described in the above embodiment.

The ventilation member 20X includes a ventilation member bottom plate 21 arranged to face the top surface of the parting edge top plate 11 which is the top surface of the airtight member 10, and a ventilation member front plate 22 raised from the front end of the ventilation member bottom plate 21. , the ventilation member top plate 23 extending rearward from the upper end of the ventilation member front plate 22, the ventilation member rear plate 24 hanging from the rear end of the ventilation member top plate 23, and the rear end of the ventilation member bottom plate 21. It consists of an internal waterproof wall 25 that is raised.
A ventilation hole 27 is formed in the ventilation member front plate 22 . The ventilation hole 27 is an elongated hole whose height direction is shorter than its width direction, and a plurality of ventilation holes 27 are formed in the width direction.
A ventilation passage A is formed above the ventilation member bottom plate 21 and below the ventilation member top plate 23 , behind the ventilation member front plate 22 and in front of the ventilation member rear plate 24 .
A rear end of the ventilation member bottom plate 21 is formed with a bottom rising plate 21x raised from the rear end of the ventilation member bottom plate 21 .
The upper end of the internal waterproof wall 25 is formed with a support piece 25x that is bent forward and downward, and the lower end of the internal waterproof wall 25 is formed with a support piece 25y that is bent rearward and upward. A passage hole 25z is formed in the upper portion of the internal waterproof wall 25. As shown in FIG. A lower end of the passage hole 25z is formed at a position higher than an upper end of the ventilation hole 27. - 特許庁The supporting piece 25x abuts against the ventilation member front plate 22, and the supporting piece 25y abuts against the bottom rising plate 21x.
In this manner, the upper end of the internal waterproof wall 25 is brought into contact with the upper portion of the ventilation member front plate 22, and the lower end of the internal waterproof wall 25 is brought into contact with the lower portion of the bottom surface rising plate 21x, thereby separating the internal waterproof wall 25. It can be a member, and it is easy to position the internal waterproof wall 25 in the ventilation passage A.

INDUSTRIAL APPLICABILITY The present invention is suitable for a ventilator used under the coping of a flat roof or balcony as the outlet of the outer wall ventilation layer.

10 Airtight member 10A Parting edge 10B Airtight member 10Ba Backup material 10Bb Sealing material 11 Parting edge upper plate 12 Parting edge front plate 12a Folded portion 13 Parting edge rear plate 13a Folded portion 20 Ventilation member 20x Ventilation member 21 Ventilation member bottom plate 21x Bottom upright Upper plate 22 Ventilation member front plate 23 Ventilation member top plate 24 Ventilation member rear plate 25 Internal waterproof wall 25x Support piece 25y Support piece 25z Passage hole 27 Ventilation hole 31 First waterproof packing 32 Second waterproof packing 51 Moisture-permeable waterproof sheet 52 Fastening Equipment 80 Parapet 81 Exterior wall base material 82 Upper frame material 83 Ventilation furring strip 84 Exterior wall material 85 Coping 85a Top surface 85b Hanging member A Ventilation passage B Draining space C Airtight member side air passage D Ventilation member side air passage L1 Depth L2 Thickness

Claims (2)

An upper frame member placed on top of an exterior wall base member of a building, a ventilation furring strip placed on the outer surface of the outer wall base member, an outer wall member placed on the outer surface of the ventilation furring strip, and the upper frame member . and a headboard that covers the upper side of the outer wall material, and is disposed between the outer wall material and the topboard, and exhausts the air that has risen through the ventilation furrings from ventilation holes. There is
A ventilation member arranged between the outer wall material and the top rail,
a ventilation member front plate raised from the front end of the ventilation member bottom plate;
a ventilation member top panel extending rearward from the upper end of the ventilation member front panel ;
and an internal waterproof wall raised from the rear end side of the bottom plate of the ventilation member,
The ventilation member front plate is formed with the ventilation hole,
The ventilation hole is an elongated hole whose height direction is shorter than its width direction,
A plurality of ventilation holes are formed in the width direction of the ventilation member front plate,
A ventilation passage is formed between the bottom plate of the ventilation member and the top plate of the ventilation member, through which the air that has ascended the ventilation furring passes ,
placing the internal waterproof wall in the ventilation passage;
bringing the upper end of the internal waterproof wall closer to the front panel of the ventilation member than the lower end of the internal waterproof wall;
A ventilator for a coping, wherein the upper end of the internal waterproof wall is positioned higher than the ventilation hole. The front panel of the ventilation member is located forward of the outer wall material.
2. The ventilating device for headboard according to claim 1 , characterized in that:

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