JPH102079A - Ventilation structure of shed roof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilation structure having excellent ventilation performance even in a case of a shed roof in which a new shed roof is provided on an existing shed roof. SOLUTION: A new shed roof B of corrugated section is provided on an upper surface side of an existing shed roof A. A tile wrapping 2 is provided on a ridge part 1 of the new shed roof B so as to cover the existing shed roof A and the new shed roof B. A ventilation opening 3 piercing the existing shed roof A is provided so as to be extended from an attic C to a lower surface side of the new shed roof B. A ventilation opening 4 is provided in the tile wrapping 2. A ventilation passage 5 is formed between the ventilation opening 4 and the ventilation opening 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation structure for a single-flow roof constructed by installing a new single-flow roof on the upper surface side of an existing single-flow roof.

[0002]

2. Description of the Related Art Conventionally, there is a case in which a new one-sided roof is provided on the upper surface side of an existing one-sided roof without dismantling and removing the existing one-sided roof. A new one-sided roof is installed on the upper surface side, and a ridge package is provided in the ridge of the new one-sided roof to cover the existing one-sided roof and the ridge of the new one-sided roof.

[0003]

However, in the above-mentioned conventional example, a new one-sided roof is installed so as to cover the upper side of the existing one-sided roof, and the ridge of the existing one-sided roof and a new one-sided roof are provided. Since the ridge wrap is installed so as to cover the ridge portion of the one-sided roof, there is a problem that the ventilation performance of the attic is greatly reduced, and a structure that does not reduce the ventilation performance is desired.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, and the ventilation of a single-flow roof having a high ventilation performance even if a single-flow roof formed by providing a new single-flow roof on an existing single-flow roof. It seeks to provide structure.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, a new single-flow roof B having a corrugated cross section is provided on the upper surface side of the existing single-flow roof A. And a ridge parcel 2 is provided on the ridge 1 of the new one-sided roof B so as to cover the ridge 1 of the new one-sided roof B, and the attic C
, A ventilation opening 3 penetrating the existing single-flow roof A so as to reach the lower surface side of the new single-flow roof B, a ventilation opening 4 is provided in the ridge envelope 2, and the ventilation opening 4 and the ventilation opening 3 are provided.
And a ventilation passage 5 is formed between the roof and the air in the attic C through a ventilation opening 3 penetrating the existing single-flow roof A to form a new single-flow roof having a corrugated cross section. B, and flows from the inside of the ridge packet 2 to the outside through the ventilation opening 4 provided in the ridge packet 2.
Thereby, ventilation of the attic C is reliably performed.

According to the second aspect of the present invention, a water return member 6 is disposed between the ridge side end of the existing one-sided roof A and the ridge side end of the new one-sided roof B. The water return protrusion 7 provided on the lower edge of the member 6 is replaced with an existing single-flow roof A.
Is disposed closer to the ridge than the ventilation opening 3 provided on the upper surface of the water return member 6 so as to form a ventilation gap 8 between the ridge side edge of the new one-way roof B. Water return piece 9
Is projected inside the wing package 2, and rainwater or the like blown into the wing package 2 through the ventilation opening 4 provided in the ridge package 2 was received by the water return pieces 9. Later, the water is returned to the upper surface side of the existing one-way roof A while being drained by the water return projection 7 while avoiding the ventilation opening 3, and is drained.
Further, since the water return piece 9 provided on the water return member 6 is formed to project into the ridge envelope 2 so as to form a ventilation gap 8 between the water return piece 9 and the ridge side edge of the new one-way roof B. Attic C
Does not disturb the ventilation of the attic C, and the ventilation performance of the attic C can be ensured and the ventilation performance can be enhanced.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The roof according to the present invention is provided with a new single-flow roof B on the upper surface of an existing single-flow roof A as shown in FIG. The main body is configured by providing a ridge envelope 2 at the ridge side end of the new one-way roof B so as to cover the ridge portion 1.

The existing one-way roof A is provided with a waterproof sheet 11 on the upper surface of a base material 10 installed so as to be inclined downward to one side.
An existing roof panel 12 is installed via the ridge portion 1, and an existing receiving bar 13 is installed in the ridge section 1, and the existing receiving bar 13 is mounted on the upper side of the outer wall panel 14. In the ridge part 1, an existing ridge packet 15 is installed so as to cover the upper outer surface side of the existing receiving bar 13 and the outer wall panel. Openings 3 for ventilation are formed at predetermined intervals in the ridge portion 1 of the existing single-flow roof A so as to penetrate the existing ridge 15, the base material 10, and the existing roof panel 12, respectively. The opening 3 communicates with the attic C.

A new one-sided roof B formed on the upper surface side of the existing one-sided roof A is formed by a corrugated roof panel 16 having a corrugated cross section mounted on the upper surface of the existing roof panel 12 constituting the existing one-sided roof A. The main body is configured, and is installed on the existing roof panel 12 at a predetermined distance from the upper surface of the existing roof panel 12 via a new receiving bar 17 installed on the upper surface of the existing roof panel 12.

A water return member 6 is installed between the existing ridge parcel 15 provided on the ridge 1 of the existing single-flow roof A and the corrugated roof panel 16 constituting the new single-flow roof B. The water return member 6 is installed between the corrugated roof panel 16 and the existing building envelope 15 so as to be sandwiched therebetween.
9 and a vertical piece 20 integrally protruded from the horizontal piece 19.
The vertical pieces 20 form the water return pieces 9. The water return piece 9 is arranged so as to be spaced apart from the edge of the corrugated roof panel 16.
A ventilation gap 8 is formed between the roof panel 16 and the wavy roof panel 16. At the lower edge of the horizontal piece 19 is formed a water return protrusion 7 formed by folding the lower edge. The water return member 6 is disposed between the wavy roof panel 16 and the existing ridge 15 so that the water return protrusion 7 at the lower edge is disposed above the ventilation opening 3. .

As shown in FIG. 2, the corrugated roof panel 16
The supporting member 2 is fixed on the ridge side end of the
2, and a receiving member 23 is fixed to the support member 22 with screws. The receiving member 23 is a fixed substrate 24
A support projection 25 is projected upward from one end of the fixed substrate 24 so as to be orthogonal to the fixed substrate 24, and a support piece 26 is projected downward from the other end of the fixed substrate 24 so as to be orthogonal to the fixed substrate 24. The fixed substrate 24 is connected to the receiving fixture 2.
3 is screwed and fixed.

One end of the receiving bracket 23 has a vertical piece 33 and a horizontal piece 3.
4 and a supporting bracket 35 formed substantially in an L-shape is fixedly connected thereto, and the supporting piece 35 is fixed to the fixing substrate 24 of the receiving bracket 23 with screws so that the horizontal piece 34 of the supporting fitting 35 is screwed to the receiving bracket 23. Is connected and fixed. The ridge 2 is screwed and fixed to the support fitting 22 and the receiving fitting 23. The ridge packet 2 is a substrate piece 27 as shown in FIGS.
The connecting piece 28 is protruded from both ends of the substrate piece 27 to form a substantially U-shaped cross section. The board piece 27 is provided with a ventilation opening 4 by partially notching the board piece 27. A protruding piece 2 formed by a notch at the opening edge of the ventilation opening 4
9 are integrally provided. Reference numeral 30 denotes a reinforcing piece, which is provided inside the ridge packet 2. Reference numeral 31 denotes a drain piece, which is partially protruded from the inner surface of the substrate piece 27.
A support piece 32 is fixed to the support protrusion 25 of the receiving bracket 23 with a screw, and a tip end of the support piece 32 comes into contact with an inner surface of one of the connection pieces 28 constituting the ridge envelope 2. I have. Here, the support piece 32 is screwed to the support protrusion 25 at a predetermined interval, or an opening is provided in the continuous support piece 32, and an air passage that communicates vertically at a position where the support piece 32 is installed is provided. To be formed.

Although the ventilation openings 4 are shown as being formed in two rows at predetermined intervals, the invention is not limited to this, and one, three or three or more rows are provided in consideration of ventilation efficiency. It may be provided. The above-mentioned wrapper 2 has a connecting piece 2 on one side attached to a vertical piece 33 of a support bracket 35.
8 is fixed by screws and the remaining connecting piece 28 is screw-fixed to a receiving bar 36 attached to the outside surface of the existing building package 15 outside.
Is formed with a ventilation passage 5 inside. The ventilation passage 5 communicates with the ventilation opening 4 and the ventilation opening 3 described above, and ventilation of the attic C is performed through the inside of the ridge envelope 2.

As shown by solid arrows in FIG. 1, air flows from the ventilation openings 3 to the ventilation passages 5 and air flows from the ventilation passages 5 to the outside through the ventilation openings 4, so that the attic C Ventilation is performed. Here, it is conceivable that rainwater or the like blows into the ridge packet 2 from the ventilation opening 4 at the time of rain or the like, but the rainwater blown into the ridge packet 2 is a gap between the support brackets 35 provided at predetermined intervals. Then, the water flows to the upper surface of the wavy roof panel 16 and is drained. In addition, the rainwater which blows further into the inside of Wing Package 2
Water is drained from the space between 5 and ridge packet 2. Here, the rainwater blown onto the existing ridge packet 15 flows downward after being received by the water return member 6, and a water return protrusion 7 is provided at the lower edge of the water return member 6. Therefore, after being temporarily stopped at the lower edge portion, the water is drained downward from the upper end side of the existing one-way roof A from the side end of the water return member 6 via the existing ridge wrap 15, Since the water return protrusions 7 provided on the water return member 6 are arranged above the ventilation openings 3 corresponding to the positions of the ventilation openings 3 provided on the existing one-way roof A, rainwater is ventilated. Is drained onto the existing single-flow roof A from both sides of the lower edge of the water return member 6 so as to avoid the portion of the opening 3 for use.
Although the ventilation openings 3 are provided in the ventilation holes 3 to ensure the ventilation performance, rainwater does not enter the attic C through the ventilation openings 3.

The air in the attic C flows from the ventilation opening 3 of the existing single-flow roof A to the back side of the new single-flow roof B having a corrugated cross section. The air flows to the outside through the use opening 4, whereby the ventilation of the attic C is reliably performed,
Even with a single-flow roof formed by providing a new single-flow roof B on an existing single-flow roof A, high ventilation performance can be ensured. Rainwater or the like blown into the inside is received by the water return pieces 9 of the water return member 6 and then drained by flowing along the upper surface side of the existing single-flow roof A by the water return projections 7 while avoiding the ventilation opening 3. Also, the water return piece 9 provided on the water return member 6 is protruded into the ridge envelope 2 so as to form a ventilation gap 8 with the ridge side edge of the new one-way roof B. Because it does not hinder ventilation of the attic C, it is necessary to ensure the ventilation performance of the attic C, prevent rainwater from entering the attic C, and increase the waterproof performance. I can do it.

In the above-described embodiment, FIGS.
Although the roof shape a in the case of a single-flow roof inclined downward only to one side as shown in FIG. 4A is shown, the above-mentioned structure has a roof shape called a saw roof as shown in FIG. b, or a roof shape c called a shed as shown in FIG. 4 (c), etc., and formed by combining single-flow roofs as shown in FIG. The above structure may be adopted in the case of a valley roof shape d called a non-fallen roof.

[0017]

According to the first aspect of the present invention, a new single-flow roof is provided on the upper surface side of the existing single-flow roof, and a new single-flow roof is provided so as to cover the existing single-flow roof and the ridge of the new single-flow roof. A ridge parcel is provided in the roof ridge, a ventilation opening is provided through the existing one-sided roof from the attic to the underside of the new one-sided roof, and a ventilation aperture is provided in the ridge parcel,
Since the ventilation passage is formed between the ventilation opening and the ventilation opening, the air in the attic flows from the ventilation opening to the existing single-flow roof to the back side of the new single-flow roof having a corrugated cross section. It flows from the inside of the package to the outside through the ventilation opening provided in the ridge package, which ensures the ventilation of the attic.By installing a new single-flow roof on the existing single-flow roof High ventilation performance can be ensured even with the formed one-way roof.

According to a second aspect of the present invention, in the first aspect, a water return member is disposed between the ridge side end of the existing single flow roof and the ridge side end of the new single flow roof. The water return protrusion provided on the edge is located closer to the ridge than the ventilation opening provided on the existing one-way roof, and a ventilation gap is formed between the ridge side edge of the new one-way roof. The water return piece provided at the upper edge of the water return member is protruded inside the ridge wrap, so that in addition to the effect of claim 1, the ridge wrap is provided through the ventilation opening provided in the ridge wrap. After being received by the water return piece, the rain water that blows into the top of the existing one-way roof is drained by the water return projection while avoiding the ventilation openings, and is provided on the water return member. The water return strips form a ventilation gap between them and the ridge side edge of the new one-sided roof. It is intended never to interfere with the attic ventilation because it is projected into the viewing, in which can be made high ventilation performance while shall ensure attic ventilation performance.

[Brief description of the drawings]

FIG. 1 is a partial sectional view showing an example of the present invention.

FIG. 2 is a partial cross-sectional view illustrating an installation state of a ridge packet in FIG.

3A and 3B show a wrapping, and FIG. 3A is a front view,
(B) is a side view of (a), (c) is a bottom view of (a).

FIGS. 4A, 4B, and 4C are explanatory diagrams illustrating various roof shapes.

FIG. 5 is an explanatory diagram illustrating another example of a roof shape.

[Explanation of symbols]

 A Existing one-sided roof B New one-sided roof C Attic 1 Building 2 Building 3 Opening for ventilation 4 Opening for ventilation 5 Ventilation passage 6 Water return member 7 Water return projection 8 Vent gap 9 Water return

Claims (2)

[Claims] 1. A new one-sided roof having a corrugated cross section is provided on the upper surface side of the existing one-sided roof, and the ridge of the new one-sided roof is wrapped around the existing one-sided roof and the new one-sided roof ridge. Provide a ventilation opening penetrating the existing single-flow roof from the attic to the lower side of the new single-flow roof, provide a ventilation opening in the ridge envelope, between the ventilation opening and the ventilation opening A ventilation structure having a single-flow roof, wherein a ventilation passage is formed. 2. A water return member is disposed between a ridge side end of an existing single flow roof and a ridge side end of a new single flow roof, and a water return protrusion provided at a lower edge of the water return member. The pieces are placed on the ridge side of the ventilation opening provided on the existing one-sided roof, and on the upper edge of the water return member so as to form a ventilation gap with the ridge side edge of the new one-sided roof. The ventilation structure for a single-flow roof according to claim 1, wherein the provided water return pieces are provided so as to protrude inside the ridge.