JP2763764B2 - Eaves structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an eaves structure of a building in which a roof is constituted by folded roofing materials which are installed in a state of being inclined at a predetermined inclination.

[0002]

2. Description of the Related Art Conventionally, in a building having a roof part made of folded roof material, a ventilation surface door is provided at a lower part of the eaves side of the folded roof material, and a ventilation opening is slit in the ventilation surface door. Was provided directly on the ventilation surface door itself.

[0003]

However, in the above-mentioned conventional example, there is a problem that it is difficult to secure watertightness and the waterproof performance is low because there is no covering in front of the ventilation opening. Also,
There was also a problem in terms of fire prevention performance because the ventilation openings were provided so that they could be seen directly from the outside. An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide an eaves structure having high waterproof performance and fire prevention performance.

[0004]

In order to achieve the above object, according to the first aspect of the present invention, a roof portion 1 is formed by a folded roof material 2 and the roof of the folded roof material 2 of the roof portion 1 is formed. The face plate 3 attached to the lower side is suspended downward, and a rising piece 6 is erected on the building body 5 on the side of the hut back 4, and the hut back 4 is placed between the face plate 3 and the rising piece 6. It is characterized in that a ventilation port 7 opening outward and downward is provided.

According to the second aspect of the present invention, the lower part of the ventilation opening 7 is covered with the eaves gutter 8 arranged at the eaves tip in the first aspect, and the outdoor end of the eaves gutter 8 is positioned above the ventilation opening 7. It is characterized in that it is started up and covers the front of the ventilation opening 7 on the outdoor side. In the invention of claim 3, claim 1 or claim 2
, A draining plate 9 is provided below the ventilation opening 7 and is inclined downward toward the outdoor side.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In the eaves structure according to the present invention, a roof 1 of a building body 5 is constructed by installing folded roofing materials 2 on a roof beam 10 at a two-dimensional gradient.
The folded roof material 2 is formed by bending a steel plate such that the concave portion and the convex portion are adjacent to each other, and the eaves side end is connected and fixed to the roof beam 10 by the support bracket 11 as shown in FIG. The ridge side end is connected and fixed to a purlin 33 by a support bracket 32 as shown in FIG. Reference numeral 12 denotes a siding provided at the end of the folded roof material 2 on the side of the eaves.

As shown in FIG. 1, a receiving bracket 13 having an engaging recess 13a is provided at an upper portion of the roof beam 10, and a lower portion of a supporting bracket 11 is connected and fixed to the receiving bracket 13. I have. At the lower part of the eaves side of the folded roof material 2, a face plate 3 is vertically provided, and at the lower part of the face plate 3, an eaves door 14 is attached so as to project below the lower part of the folded roof material 2. ing. At the lower end of the eaves door 14, a drainer 14a disposed below a ventilation port 7 described later is integrally formed.

A mounting bracket 15 is mounted on the outdoor side of the roof beam 10 on the building main body 5 on the back side of the hut 4, and a draining member 16 is mounted on the mounting bracket 15. The mounting bracket 15 is formed into an L-shaped cross section by the vertical piece 15a and the horizontal piece 15b, and the horizontal piece 15b is connected and fixed to the outdoor upper surface of the roof beam 10 by the fixing tool 17 so that the vertical piece 15a is lowered. Is attached to the roof beam 10 so as to be vertically installed on the roof beam 10. An eave gutter support 18 is attached to the lower outer surface of the vertical piece 15a, and the eave gutter 8 is suspended from the eave gutter support 18. Reference numeral 20 denotes a roof curtain plate, which is connected and fixed to the vertical piece 15a of the mounting bracket 15.

The draining member 16 has a draining plate 9 projecting from a lower portion of the base piece 16a in a direction substantially perpendicular to the base piece 16a, and a draining plate 9 extending from an upper portion of the base piece 16a in a direction perpendicular to the base piece 16a. A mounting piece 19 projecting therefrom;
Of the mounting piece 19 and projecting so as to be substantially parallel to the base piece 16a.
The main body is composed of a rising piece 6 provided with a and a projecting piece 21 which is obliquely provided from the upper end of the base piece 16a to the opposite side to the rising piece 6 so as to intersect with the base piece 16a. Have been.

The projecting piece 21 is provided with a number of slits 7a, and the slits 7a form the ventilation openings 7. The above-described draining member 16 is attached by connecting and fixing the base piece 16a to the upper part of the vertical piece 15a of the mounting bracket 15 with the fixing tool 22 and mounting the mounting piece 19 on the upper part of the horizontal piece 15b of the mounting hardware 15. It is attached to the upper end of the bracket 15. Here, in a state where the base piece 16a is connected and fixed to the vertical piece 15a and the mounting piece 19 is mounted on the horizontal piece 15b, and the draining member 16 is mounted on the mounting bracket 15, the protrusion forming the draining member 16 is formed. The piece 21 is in a state where the front end is in contact with the inner surface side of the eaves door 14, and the ventilation port 7 is formed between the eaves door 14 and the mounting bracket 15 so as to open downward. It is supposed to be. Also,
The rising piece 6 of the draining member 16 is arranged upright so as to be located on the back side of the hut 4 inside the ventilation opening 7. The draining plate 9 of the draining member 16 includes the eaves gutter 8 and the eaves gutter support 1.
8 and below the ventilation port 7 so as to be inclined downward toward the outdoor side.

The underside of the ventilation opening 7 is covered by the above-mentioned eaves gutter 8, and the outdoor end of the eaves gutter 8 is raised above the ventilation opening 7. The outside front of the ventilation opening 7 is covered with an eaves gutter 8. However, by employing the above-described structure, the ventilation paths inside and outside the hut back 4 are secured through the ventilation holes 7 as shown by the solid line arrows in FIG. In addition, since the ventilation opening 7 is not visible from the outside, the appearance of the eaves is not deteriorated, and the ventilation opening 7 is not disposed so as to be visible from the outside. Is also safe.

The rainwater does not flow as shown by the dotted arrow in FIG. Here, rainwater or the like generated by blowing from below is impinged on the draining board 9 and does not enter through the ventilation port 7, and the draining board 9 can surely guide rainwater or the like into the eaves gutter 8. Has become. In other words, an eaves structure having high waterproof performance and fire prevention performance can be obtained.

In FIG. 2, the mounting bracket 15 is connected and fixed to the web 10a of the roof beam 10 via a connecting piece 15c. A groove 30 is formed by the concave portion of the folded roof material 2. At the ridge side end of the groove 30 of the folded roof material 2 to be installed in the ridge, a rising piece 31 for closing the groove 30 is provided upright. The rising piece 31 is provided at the ridge side end by cutting and folding the folded roof material 2 itself and fixing it by welding without any gap.

The support bracket 32 installed on the purlin 33 includes:
As shown in FIG. 4, the support plate 34 is fixed on the upper surface of the purlin 33, and is mounted on receiving pieces 35 at both ends of a support plate 34, and the receiving piece 35 is inclined at a predetermined angle with respect to the support plate 34. As described above, the support brackets 32 projecting obliquely downward and thereby standing up on the respective receiving pieces 35 are respectively standing upright on the receiving pieces 35 at an inclination angle corresponding to the roof gradient to be formed. ing.

Each folded roof material 2 is disposed adjacent to each other so as to form a predetermined gap 36 between opposed ends in the ridge portion, and the ridge side end portion is connected to the support bracket 32. It is installed on the purlin 33 so as to provide a predetermined gap 36 between the opposed ends. On the ridge side end of each folded roof material 2, a ridge wrap plate 37 is installed. The ridge wrapping plate 37 is fixed to the ridge-side end of the folded roof material 2 by a fixing tool 38 and a rising water standing above the ridge-side end of the fixed plate 39. The cut piece 40 and the connecting piece 41 projecting upward from the eave-side end of the fixing plate 39 are mainly composed of an eave-side end of the fixing plate 39 so as to communicate with the space above the groove 30. Is provided with a drain hole 42. A water return piece 40a is provided at the tip of the rising water section 40.

A wrapper 4 is provided between the ridge side ends of the pair of folded roof materials 2 so as to cover the gap 36 and the ridge cover plate 37.
3 is provided, and the ridge parcel 43 has an eave-side end at the ridge-side end of each folded roofing material 2.
The pair of folded roof materials 2 are installed between the ridge side ends of the pair of folded roof materials 2 so as to cover the gap 36 and the ridge wrapping plate 37 by being connected to the connecting pieces 41 of the pair with the fixing members 44.

At the eave side end, which is the lower side of the ridge packet 43, a ventilation port 45 communicating with the inside and outside of the ridge packet 43 is provided. The ventilation opening 45 is formed by a cut-and-raised piece 45a formed by cutting and raising the eaves-side end of the ridge packet 43 inward, and an opening 45b formed by providing the cut-and-raised piece 45a. A ventilation path 46 is formed in the ridge packet 43 from the hut back 4 to the outside through the gap 36, and the ventilation path 46 communicates with the inside and outside of the hut back 4 through the ventilation opening 45. It is in a state. A dripping water section 47 is provided near the ridge side of the ventilation opening 45.

An apron 48 is provided in the groove 30 of the folded roof material 2 so as to be located closer to the eaves than the rising piece 31. A large amount of rainwater or the like blown up by the apron 48 vigorously. It is designed to prevent intrusion toward the 30 ridge side end. The apron 48 is installed in the groove 30 so that the side portion and the lower portion form a slight gap between the inner wall surface and the bottom surface of the groove portion 30. The groove 30 is formed through the gap without accumulating rainwater entering the end.
It can be drained along.

Thus, by employing the above-described structure, air can be reliably ventilated between the inside and outside of the cabin 4 through the ventilation path 46. The rainwater is drained without entering the back of the hut 4. That is, even if rainwater enters the ridge 43 from the ventilation opening 45, the rainwater is drained into the groove 30 of the folded roof material 2 through the drain hole 42 of the ridge wrap plate 37. It does not penetrate into the back 4. Also,
Here, rainwater and the like caused by blowing up from below are apron 4
Since the momentum is reduced by hitting the ridge 8 and the ridge packaging plate 37, the mortar 43 does not enter the ridge 43, and from this point does not enter the hut back 4.

That is, in the roof portion 1 formed by using the folded roof material 2, a ridge ventilation structure having high waterproof performance and high ventilation performance can be provided.

[0021]

According to the first aspect of the present invention, the roof portion is formed of a folded roof material, and a face plate attached to a lower part of the eaves side of the folded roof material of the roof portion is hung downward, and the back side of the shed is formed. The standing piece is erected on the main body of the building, and a ventilation opening that opens toward the outside of the back of the hut is provided between the face plate and the rising piece. In the roof part, the waterproof performance and the fire prevention performance of the eaves part of the folded roof material can be improved.

According to a second aspect of the present invention, the lower part of the ventilation opening is covered with the eaves gutter arranged at the eaves front portion in the first aspect, and the outdoor end of the eaves gutter is raised above the ventilation opening to ventilate. Since the front side of the outside of the mouth is covered, in addition to the effect of claim 1, the ventilation opening is covered with the eaves gutter and cannot be seen from the outside, which may deteriorate the appearance of the building. Not something.

According to a third aspect of the present invention, in addition to the first or second aspect, a drain plate that is inclined downward toward the outdoor side is provided below the ventilation port in addition to the effects of the first or second aspect. The rainwater and the like, which are blown up from below, hit the drain plate and do not enter through the ventilation port, and can improve the water tightness. Also, rainwater and the like can be reliably guided into the eaves gutter by the drain plate.

[Brief description of the drawings]

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

FIG. 2 is an explanatory view illustrating a ventilation structure and a waterproof structure of the above.

FIG. 3 is an explanatory diagram illustrating a ventilation structure and a waterproof structure of a ridge.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roof part 2 Folded roof material 3 Side door plate 4 Back of a hut 5 Building body 6 Start-up piece 7 Ventilation opening 8 House gutter 9 Drain board

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int.Cl. ⁶ , DB name) E04D 13/152 E04D 3/40 E04D 13/15

Claims (3)

(57) [Claims] 1. A roof part is formed of folded roof material, and a face plate attached to a lower part of the eaves side of the folded roof material of the roof part is drooped downward, and is set up on the building body behind the hut. An eaves structure comprising: a standing piece; and a ventilation opening that opens downward and outside the back of the cabin between the face plate and the rising piece. 2. An eaves gutter arranged at the tip of an eave covers a lower part of a ventilation opening, and an outdoor end of the eaves gutter is raised above the ventilation opening to cover an outer front part of the ventilation opening. The eaves structure according to claim 1, wherein the eaves structure is formed. 3. The eaves tip structure according to claim 1, further comprising a drain plate that is inclined downward toward the outdoor side below the ventilation opening.