JP2023086998A5 - - Google Patents

Description

The present invention relates to a ventilation system for a cap that is placed between an exterior wall material of a building and a cap that covers the top of the exterior wall material.

Patent Document 1 proposes a ventilation device for a cap that is arranged between an exterior wall material of a building and a cap that covers the top of the exterior wall material.

Patent No. 5259000

However, in Patent Document 1, a plurality of synthetic resin sheets each having an uneven cross-sectional shape are laminated and are interconnected and integrated by heat fusion, and a large number of ventilation holes penetrating from one side to the other are formed. Ventilation components ensure ventilation and waterproof performance.

An object of the present invention is to provide a ventilation device for a cap that can prevent rainwater flowing in from the ventilation holes from reaching the rear panel of the ventilation member without using such a ventilation member.

The ventilation device for a capacitor of the present invention according to claim 1 includes: an upper frame member 82 disposed on the upper part of an outer wall base material 81 of a building; a ventilation rim 83 disposed on the outer surface of the outer wall base material 81; It is used for a parapet 80 having an outer wall material 84 disposed on the outer surface of the ventilation rim 83 , and a cap 85 that covers the upper frame material 82 and the outer wall material 84, and the outer wall material 84 and the cap 85 are connected to each other. A ventilating device for a cap 20 disposed between the outer wall material 84 and the cap 85 for discharging the air that has risen through the vent rim 83 from the ventilation hole 27 ; 20x denotes a ventilation member front plate 22 standing up 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 20. The ventilation hole 27 is formed in the ventilation member front plate 22, and the ventilation member bottom plate 21 and the ventilation member top plate 23 are connected to each other. In between, a ventilation passage A is formed through which the air that has risen through the ventilation rim 83 passes , and the internal waterproof wall 25 is disposed in the ventilation passage A.
According to a second aspect of the present invention, in the ventilation system for a capacitor according to the first aspect , the ventilation member front plate 22 is located in front of the outer wall material 84.

According to the ventilation device for a capacitor 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. Rainwater flowing in from the ventilation holes can be prevented from reaching the rear panel of the ventilation member.

A cross-sectional view, a perspective view, and a cross-sectional view showing the Kasagi ventilation system installed on a roof of a building or a parapet used as an outer wall of a balcony, according to an embodiment of the present invention. Enlarged cross-sectional view of main parts in Figure 1(c) An explanatory diagram showing a part of the construction of the Kasagi ventilation system according to this example A sectional view, a perspective view, and a sectional view showing the Kasagi ventilation system installed on the roof of a building or on a parapet used as the outer wall of a balcony, according to other embodiments of the present invention. A sectional view showing a state in which a ventilation system for a capacitor according to still another embodiment of the present invention is installed on a parapet used as the outer wall of a roof or balcony of a building. Assembly diagrams and separated diagrams according to other embodiments of the ventilation member used in the Kasagi ventilation system of the present invention

In the ventilation device for a capacitor according to the first embodiment of the present invention , the ventilation member disposed between the outer wall material and the capacitor includes a ventilation member front plate raised from the front end of the ventilation member bottom plate, and a ventilation member front plate that stands up from the front end of the ventilation member bottom plate. It consists of a ventilation member top plate extending rearward from the upper end of the front plate , and an internal waterproof wall rising from the rear end side of the ventilation member bottom plate, and a ventilation hole is formed in the ventilation member front plate . A ventilation passage through which air rising through the ventilation rim passes is formed between the ventilation member bottom plate and the ventilation member top plate, and an internal waterproof wall is disposed in the ventilation passage. According to this embodiment, rainwater flowing in from the ventilation holes can be prevented from reaching the rear panel of the ventilation member.

The second embodiment of the present invention is the ventilation system for a capacitor according to the first embodiment, in which the front plate of the ventilation member is located in front of the outer wall material. According to this embodiment, by increasing the depth of the ventilation passage, rainwater that has flowed into the ventilation passage can be retained in the ventilation passage, and rainwater will not enter the room.

A ventilation system for a capacitor according to an embodiment of the present invention will be described below.
FIG. 1 is a cross-sectional view, a perspective view, and a cross-sectional view showing a state in which the Kasagi ventilation device is installed on the roof of a building or on a parapet used as the outer wall of a veranda, according to an embodiment of the present invention. .
Figure 1 (a) is a cross-sectional view of the same Kasagi ventilation system, Figure 1 (b) is a perspective view of the same Kasagi ventilation system, and Figure 1 (c) is the Kasagi ventilation system installed on the roof of a building or on the outer wall of a balcony. A cross-sectional view showing the state where it is installed on a parapet used as a parapet.

The parapet 80 of the building shown in FIG. 1(c) includes an upper frame member 82 arranged on the upper part of the outer wall base material 81, a ventilation rim 83 arranged on the outer surface of the outer wall base material 81, and a ventilation rim 83 arranged on the outer surface of the outer wall base material 81. It has an outer wall material 84 disposed on the outer surface of, and a cap 85 that covers the upper frame material 82 and the outer wall material 84.
The cap 85 includes a top surface portion 85a that covers the upper portions of the upper frame material 82 and the outer wall material 84, and a hanging member 85b that hangs down from the top surface portion 85a and is disposed on the side of the outer wall material 84.
The ventilation system for a capacitor according to this embodiment is arranged above the exterior wall material 84 of the building and inward from the hanging member 85b that is disposed outward from the exterior wall material 84.

The ventilation device for a capacitor according to the present embodiment includes an airtight member 10 that covers 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 that covers the upper end of the exterior wall material 84, a parting edge front plate 12 hanging down 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 is preferably 1.5 to 3 times the vertical length of the parting edge front plate 12. The lower part of the parting edge front plate 12 is bent rearward to form a folded part 12a, and the lower part of the parting edge rear plate 13 is bent forward to form a folded part 13a.

The ventilation member 20 includes a ventilation member bottom plate 21 disposed opposite to 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. , a ventilation member top plate 23 extending rearward from the upper end of the ventilation member front plate 22, a ventilation member rear plate 24 hanging down from the rear end of the ventilation member top plate 23, and a rear end of the ventilation member bottom plate 21. It consists of an internal waterproof wall 25 that has been erected.
A ventilation hole 27 is formed in the ventilation member front plate 22. The ventilation holes 27 are elongated holes in which the height direction is shorter than the 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 located 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 located higher than the ventilation hole 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 in the front surface of the parting edge rear plate 13.
The first waterproof packing 31 and the second waterproof packing 32 are made of foamable rubber or resin materials, and are preferably EPDM rubber or thermoplastic elastomer, which have high waterproof performance and high durability.
The first waterproof packing 31 and the second waterproof packing 32 are formed into a band shape with the same length as the widthwise length of the parting edge 10A, and are fixed to the parting edge 10A with an adhesive.
It is preferable that the first waterproof packing 31 be disposed at the center of the parting edge top plate 11 in the depth direction.
The second waterproof packing 32 is preferably disposed at a position below the lower end of the parting edge front plate 12.
When the first waterproof packing 31 is installed as shown in FIG. 1(c), it is compressed between the parting edge top plate 11 and the ventilation member bottom plate 21.
Further, during the construction shown in FIG. 1C, the second waterproof packing 32 is compressed between the front surface of the rear facing plate 13 and the outer wall material 84.

FIG. 2 is an enlarged sectional view of the main part of FIG. 1(c).
In the ventilation system for a capacitor according to this embodiment, by making the depth L1 of the edge top plate 11 larger than the thickness L2 of the outer wall material 84, a drainage space B is created between the edge front plate 12 and the outer wall material 84. is formed.
In addition, in the ventilation device for a capacitor according to this embodiment, the front end of the parting edge top plate 11 is made to protrude forward from the front end of the ventilation member bottom plate 21. An airtight member side ventilation passage C is formed between the parting edge front plate 12 and the hanging member 85b, and a ventilation member side ventilation passage D is formed between the ventilation member front plate 22 and the hanging member 85b. be done.
Therefore, the ventilation passage D on the ventilation member side has a larger ventilation passage depth than the air passage C on the airtight member side, and the ventilation passage D on the ventilation member side and the ventilation passage C on the airtight member side have different depth dimensions. .

According to this embodiment, the upper end of the internal waterproof wall 25 is made 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 placed higher than the ventilation hole 27. It is possible to prevent rainwater flowing in from the ventilation hole 27 from reaching the rear panel 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 part of the parting edge rear plate 13 and the outer wall material. 84, waterproof performance can be ensured between the upper end of the exterior wall material 84 and the ventilation member 20, and rainwater rising along the exterior wall material 84 is guided to the drainage space B, Since the ventilation member falls along the front plate 12, it is not guided to the ventilation member front plate 22 and does not flow into the ventilation passage A from the ventilation hole 27, resulting in excellent waterproof performance.

Further, according to this embodiment, rainwater does not reach the ventilation hole 27 unless it ascends the airtight member side ventilation path C and the ventilation member side ventilation path D, so it is difficult to flow into the ventilation path A, and further waterproofness is improved. Excellent.
In addition, according to this embodiment, by making the ventilation passage depth dimensions of the ventilation member side ventilation passage D and the airtight member side ventilation passage C different, the flow velocity of rainwater changes and turbulence occurs, and the rainwater is removed by ventilation. It is difficult to flow into passage A.

In the ventilation device for a capacitor according to this embodiment, the ventilation member front plate 22 is located in front of the outer wall material 84, and the ventilation member rear face plate 24 is located in the rear than the outer wall material 84.
Therefore, the depth 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 indoors.

In addition, in the Kasagi 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, and the rainwater flowing in from the ventilation hole 27 is directed to the ventilation member rear plate. 24 can be prevented.
In the Kasagi ventilation system according to this embodiment, the air that has risen through the ventilation rim 83 passes through the ventilation passage A and is discharged from the ventilation hole 27.

FIG. 3 is an explanatory diagram showing a part of the construction of the ventilation system for a capacitor according to this embodiment.
As shown in FIG. 3(a), a moisture-permeable waterproof sheet 51 is pasted on the outer wall base material 81.
Then, as shown in FIG. 3(b), 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 pasted.
After the ventilation member 20 is fastened to the outer wall base material 81, the ventilation rim 83 is fastened 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 outer wall base material 81 that is placed closer to the building than the outer wall material 84, the ventilation member rear plate 24 can be firmly attached, and the ventilation member rear plate 24 can be firmly attached. When attaching the ventilation member 83 to the exterior wall base material 81, the ventilation member 20 can be sandwiched between the ventilation rim 83 and the exterior wall base material 81.

FIG. 4 shows a ventilation device for Kasagi according to another embodiment of the present invention, FIG. 4(a) is a sectional view of the ventilation device for Kasagi, FIG. 4(b) is a perspective view of the ventilation device for Kasagi, and FIG. (c) shows a cross-sectional view of the Kasagi ventilation system installed on the roof of a building or on a parapet used as the outer wall of a balcony. Note that functional members that are the same as those in the above embodiment are given the same reference numerals and explanations thereof will be omitted.
The ventilation device for a capacitor 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 made 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 placed higher than the ventilation hole 27. It is possible to prevent rainwater flowing in from the ventilation hole 27 from reaching the rear panel 24 of the ventilation member.
Further, according to this embodiment, rainwater does not reach the ventilation hole 27 unless it ascends the airtight member side ventilation path C and the ventilation member side ventilation path D, so it is difficult to flow into the ventilation path A, and further waterproofness is improved. Excellent.
In addition, according to this embodiment, by making the ventilation passage depth dimensions of the ventilation member side ventilation passage D and the airtight member side ventilation passage C different, the flow velocity of rainwater changes and turbulence occurs, and the rainwater is removed by ventilation. It is difficult to flow into passage A.

In the ventilation device for a capacitor according to this embodiment, the ventilation member front plate 22 is located in front of the outer wall material 84, and the ventilation member rear face plate 24 is located in the rear than the outer wall material 84.
Therefore, the depth 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 indoors.

In addition, in the Kasagi 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, and the rainwater flowing in from the ventilation hole 27 is directed to the ventilation member rear plate. 24 can be prevented.
In the Kasagi ventilation system according to this embodiment, the air that has risen through the ventilation rim 83 passes through the ventilation passage A and is discharged from the ventilation hole 27.

FIG. 5 is a sectional view showing a state in which a ventilation system for a capacitor according to still another embodiment of the present invention is installed on a roof of a building or a parapet used as an outer wall of a balcony. Note that functional members that are the same as those in the embodiment shown in FIGS. 1 and 2 are given the same reference numerals, and explanations thereof will be omitted.
The ventilator for Kasagi according to this embodiment is the same as the above embodiment except that the draining space B as shown in FIG. 2 is not formed.
That is, in this embodiment, the parting edge front plate 12 is brought into contact with the outer wall material 84.

According to this embodiment, the upper end of the internal waterproof wall 25 is made 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 placed higher than the ventilation hole 27. It is possible to prevent rainwater flowing in from the ventilation hole 27 from reaching the rear panel 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 part of the parting edge rear plate 13 and the outer wall material. 84, waterproof performance between the upper end of the outer wall material 84 and the ventilation member 20 can be ensured.

Further, according to this embodiment, rainwater does not reach the ventilation hole 27 unless it ascends the airtight member side ventilation path C and the ventilation member side ventilation path D, so it is difficult to flow into the ventilation path A, and further waterproofness is improved. Excellent.
In addition, according to this embodiment, by making the ventilation passage depth dimensions of the ventilation member side ventilation passage D and the airtight member side ventilation passage C different, the flow velocity of rainwater changes and turbulence occurs, and the rainwater is removed by ventilation. It is difficult to flow into passage A.

In the ventilation device for a capacitor according to this embodiment, the ventilation member front plate 22 is located in front of the outer wall material 84, and the ventilation member rear face plate 24 is located in the rear than the outer wall material 84.
Therefore, the depth 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 indoors.

In addition, in the Kasagi 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, and the rainwater flowing in from the ventilation hole 27 is directed to the ventilation member rear plate. 24 can be prevented.
In the Kasagi ventilation system according to this embodiment, the air that has risen through the ventilation rim 83 passes through the ventilation passage A and is discharged from the ventilation hole 27.

FIG. 6 shows another embodiment of the ventilation member used in the ventilation device for a capacitor according to the present invention, in which FIG. 6(a) is an assembled view and FIG. 6(b) is an exploded view.
The 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 disposed opposite to 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. , a ventilation member top plate 23 extending rearward from the upper end of the ventilation member front plate 22, a ventilation member rear plate 24 hanging down from the rear end of the ventilation member top plate 23, and a rear end of the ventilation member bottom plate 21. It consists of an internal waterproof wall 25 that has been erected.
A ventilation hole 27 is formed in the ventilation member front plate 22. The ventilation holes 27 are elongated holes in which the height direction is shorter than the 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.
At the rear end of the ventilation member bottom plate 21, a bottom riser plate 21x is formed which stands up from the rear end of the ventilation member bottom plate 21.
A supporting piece 25x bent forward and downward is formed at the upper end of the internal waterproof wall 25, and a supporting piece 25y bent backward and upward is formed at the lower end of the internal waterproof wall 25. Furthermore, a passage hole 25z is formed in the upper part of the internal waterproof wall 25. The lower end of the passage hole 25z is formed at a higher position than the upper end of the ventilation hole 27. The support piece 25x is brought into contact with the ventilation member front plate 22, and the support piece 25y is brought into contact with the bottom elevation board 21x.
In this way, the upper end of the internal waterproof wall 25 is brought into contact with the upper part of the ventilation member front plate 22, and the lower end of the internal waterproof wall 25 is brought into contact with the lower part of the bottom elevation board 21x, thereby making it possible to separate the internal waterproof wall 25. The internal waterproof wall 25 can be easily positioned within the ventilation passage A.

INDUSTRIAL APPLICATION This invention is suitable for the ventilation system used under the cap of a flat roof or a balcony as an outlet of an exterior wall ventilation layer.

10 Airtight member 10A Separate edge 10B Airtight member 10Ba Backup material 10Bb Sealing material 11 Separate edge top plate 12 Separate edge front plate 12a Folded portion 13 Separate edge rear plate 13a Folded portion 20 Ventilation member 20x Ventilation member 21 Ventilation member bottom plate 21x Bottom stand Top 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 Tools 80 Parapet 81 Exterior wall base material 82 Upper frame material 83 Ventilation rim 84 Exterior wall material 85 Capsule 85a Top section 85b Hanging member A Ventilation passage B Drainage space C Airtight member side ventilation passage D Ventilation member side ventilation passage L1 Depth dimension L2 Thickness

Claims (2)

An upper frame material arranged on the upper part of the outer wall base material of a building, a ventilation rim arranged on the outer surface of the outer wall base material, an outer wall material arranged on the outer surface of the ventilation rim, and the upper frame material and a cap board that covers the upper part of the external wall material, and is disposed between the external wall material and the cap board , and discharges air that has risen through the ventilation rim from a ventilation hole. There it is ,
A ventilation member disposed between the outer wall material and the capstone,
A ventilation member front plate that stands up from the front end of the ventilation member bottom plate,
a ventilation member top plate extending rearward from the upper end of the ventilation member front plate ;
It consists of an internal waterproof wall raised from the rear end side of the ventilation member bottom plate,
The ventilation hole is formed in the ventilation member front plate ,
A ventilation passage is formed between the ventilation member bottom plate and the ventilation member top plate, through which the air that has risen on the ventilation rim passes .
The internal waterproof wall is arranged in the ventilation passage.
A ventilation system for Kasagi characterized by: The ventilation member front plate is located forward of the outer wall material.
The ventilation device for a capacitor according to claim 1 , characterized in that: