JPH06306994A - Dormer - Google Patents

Abstract

PURPOSE:To support a roof panel, even if large in shape, with a wooden structural material. CONSTITUTION:A front wall 2 having a dimension larger than the opening width of an opening is erected to the front end of eaves of the opening installed to a roof. A lighting window 3 is installed to the front wall 2. A side wall 4 is installed to both sides of the front wall 2 in such a fashion that the eaves of the opening may be covered. A roof panel is installed between wooden roof panel receiving members laid out inside each side wall 4. A wooden stud is erected to an opening edge on both sides of the opening. The middle part of the roof panel is loaded on the stud.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large dormer installed on the roof of a building such as an apartment house.

[0002]

2. Description of the Related Art Conventionally, the roof of a dormer installed on the roof of a building has a structure in which it is supported by a wooden crate panel as a structural material, and the side edge of the roof panel is erected on the side surface. It was supposed to be supported by being placed on a panel.

[0003]

By the way, when installing a dormer on the roof of a large building such as an apartment house, it is desirable to make the dormer large in size in accordance with the large building. If that happens, the weight of the dormer's roof will also increase. However, in the conventional example as described above, the roof panel has a structure in which the side edges of the roof panel are supported by being placed on the wooden frame panel that is erected on the side surface portion. As the size of the wooden crate becomes large, the wooden crate panel must support a large load, and a wooden crate panel is insufficient to support a large load. It was impossible to construct a structural material at.

The present invention is intended to solve the above problems, and an object of the present invention is to provide a dormer capable of supporting a roof panel with a wooden structural material even if it is large.

[0005]

According to the present invention, in order to achieve the above object, the front wall 2 having a width dimension larger than the opening width of the opening 1 at the eaves side front end of the opening 1 provided in the roof. , A lighting window 3 is provided on the front wall 2, and side walls 4 are erected on both sides of the front wall 2 so as to surround the eaves side of the opening 1 and are arranged inside each side wall 4. Roof panel receiving member 5
A roof panel 6 is installed between them, wooden studs 7 are erected on the opening edges on both sides of the opening 1, and the middle of the roof panel 6 is placed on the stud 7.

[0006]

The roof panel 6 is supported at its end by the roof panel receiving member 5 arranged inside the side wall 4 and is supported at its midpoint by the stud 7 standing on the opening edge of the opening 1. The supporting strength can be improved by supporting the middle part of the roof panel 6 with the studs 7. Even if it is a large size, the structure of the wooden roof panel receiving member 5, the studs 7, etc. Can be configured.

[0007]

The present invention will be described below in detail based on the illustrated embodiments. The dormer A according to the present invention is installed on the roof of an apartment house as shown in FIGS. 1 and 2, and is large in size in accordance with a large building such as an apartment house. This housing complex has 4 residential spaces
It is formed in one building, and the entrance 9 is formed in the back of the facade 8, and the dormer A is formed on the roof so that it is located above the entrance 9 and the width is almost the same as the width of the facade 8. There is. 10 is a staircase.

As shown in FIG. 2, the inner space of the dormer A is connected to the landing and the entrance 9 of the stairs 10 by the opening 1 provided in the roof, and the stairs are lit from the lighting window 3 provided in the dormer A. It is possible to illuminate the 10 landings and the entrance 9. Reference numeral 11 is a lighting device installed inside the dormer A. At night, the landing of the stairs 10 and the entrance 9 are illuminated, and the lighting from the lighting device 11 is emitted to the outside of the building through the lighting window 3. Has become.

As shown in FIG. 11, the opening 1 provided in the roof is formed by installing a cross rail 14 between wooden rafters 13 which are installed between adjacent main houses 12 in the eaves direction.
Purlin 12 and rafter 13 are purlin 1 as shown in FIG.
The connecting pieces 15 projecting from 2 are connected and fixed to the rafter 13 by the fixing nails 16 so that they are connected to each other. Since the rafter 13 forming the opening 1 is designed to support the load of the dormer A, it has a reinforcing structure formed by arranging two rafters 13 back to back.
A rafter reinforcing member 17 is attached along the longitudinal direction.

As shown in FIGS. 12 and 13, the rafter reinforcing member 17 is formed in a U-shaped cross section, and is arranged so as to cover the lower surface side of the rafters 13 which are arranged back to back and connected by a fixing tool. It is fixed. From the end of the eaves side of the rafter reinforcement member 17 toward the inner side, the cross rail supporting projection 1 having an L-shaped cross section
8 is projectingly provided, and the end portions of the horizontal rails 14 are placed on the horizontal rail supporting projection pieces 18 as shown in FIGS. 14 and 15.
The horizontal rail 14 is connected and fixed to the horizontal rail support projection 18 by a fixing nail 19 inserted from the outer surface of the horizontal rail support projection 18. Here, since the horizontal rail 14 also supports the load of the dormer A, it has a reinforcing structure formed by arranging two rods 14a back to back.

As shown in FIGS. 3 and 4, the dormer A includes a front wall 2 and a side wall 4 which are erected so as to surround the eaves side of the opening 1 provided in the roof, and the walls 2 and 4. The main body is composed of the roof panel 6 placed on the upper part. The front wall 2 which is erected at the eaves side front end of the opening 1 provided on the roof has a width dimension larger than the opening width of the opening 1. As shown in FIG. 3, the front wall 2 includes a base frame member 20 formed by framing a wooden crate 20a, and a load bearing plywood 21 such as a structural plywood installed on the outer surface of the base frame member 20. , The exterior material 22 installed on the outer surface of the load-bearing plywood 21
The main body is constituted by and, and a louver 23 as a decorative member and a sleeve panel 24 are installed at both ends of the outer surface of the exterior material 22. The sleeve panel 24 is formed by installing an exterior material 26 on the outer surface of a base frame material 25 formed by framing a wooden crate 25a, and is formed in a state of partially protruding toward the front. It has become so. A rectangular opening 27 is provided in the base frame member 20, the load-bearing plywood 21, and the exterior member 22, and the lighting window 3 is attached to the opening 27. The daylighting window 3 is formed by fitting a netted glass plate 3b into a sash frame 3a.

The side walls 4 standing on both sides of the front wall 2 are installed on the outer surface of the base frame member 28 as a roof panel receiving member 5 formed by forming a wooden wooden frame 28a. A base plate 29 such as a concrete panel to be used,
The main body is composed of an exterior material 30 installed on the outer surface of the base plate 29. On the inner surface side of the base frame material 28 as the wooden roof panel receiving member 5, a receiving rail 31 for supporting an end portion of the roof panel 6 described later is attached.

As shown in FIG. 6, receiving members 32 are installed on both sides of the opening 1 along the eaves ridge direction, and wooden studs 7 are provided on the upper surface of the receiving members 32 at predetermined intervals. Is erected. The middle of the roof panel 6 is placed on the stud 7, and a part of the load of the roof panel 6 is supported by the stud 7. A decorative member 33 is installed on the inner surface side of the stud 7 with the stud 7 supporting a part of the load of the roof panel 6 as a base material. Here, the decorative member 33 is installed inside the dormer A, but since the internal space of the dormer A communicates with the landing of the stairs 10 and the entrance 9 which are outside the living space, the decorative member 33 is provided. Acts as an exterior material.

The roof panel 6 placed on the upper portions of the front wall 2 and the side wall 4 is installed on the base frame member 34 formed by framing a wooden crate 34a and the upper surface of the base frame member 34. The roof plate material 35 and the main body are configured, and the roof plate material 35
A waterproof sheet 36 is laid on the entire upper surface of the above, and a roof panel cover 37 formed of a thin iron plate is installed on the entire upper surface of the waterproof sheet 36. A cover piece 38 having a substantially L-shaped cross section is formed at a front end corner portion and a side end edge of the roof panel cover 37, and a connecting piece 39 is formed at a front end edge of the roof panel cover 37. The roof panel cover 37 is installed on the waterproof sheet 36 so that the covering piece 38 is arranged so as to cover the upper end of the side wall 4 and the connecting piece 39 is arranged above the front wall 2.
A gable 40 is installed on the roof panel cover 37 so as to cover 8 and the connecting piece 39. The gable 40 is installed on the roof panel cover 37 so as to cover the upper ends of the side wall 4 and the front wall 2, and in the portion of the side wall 4, as shown in FIG. It is connected and fixed to the side wall 4 by driving a fixing nail 41 into the upper end. Here, the fixing nail 41 that is driven into the upper end of the base frame member 28 is adapted to be driven into the upper end of the base frame member 28 through the covering piece 38 of the roof panel cover 37, and the gable 40 is fixed. And a cover piece 38 of the roof panel cover 37
It is designed to be fixed at the same time. Also, in the front wall 2 portion, as shown in FIG. 8, the gable 40 and the connecting piece 39 are separated from each other by a fixing nail 42 that is driven in from the outer surface of the gable 40 placed on the connecting piece 39 of the roof panel cover 37. They are interconnected. Here, the upper end of the base frame member 20 that constitutes the front wall 2 has a linear wooden frame 20a.
While the front end portion of the gable 40 is formed in an arc shape, the gap is formed between the base frame member 20 of the front wall 2 and the gable 40. Therefore, it is difficult to connect the base frame member 20 and the gable 40 by fixing the nails, but by connecting the gable 40 and the connecting piece 39 of the roof panel cover 37, the front end of the gable 40 is fixed. Has become. By installing the gable 40, standing walls 43 are formed on the front end side and the side end side of the roof panel 6. The roof panel cover 37 installed on the entire upper surface of the roof plate material 35 has a water gradient formed toward the ridge side and the side wall 4 side of the building as shown by arrows in FIGS. 4 (b), 5 and 6. Therefore, the rain falling on the roof panel cover 37 is drained to the ridge side without flowing along the outer surfaces of the side wall 4 and the front wall 2 and flows on the roof of the building.

In forming the dormer A on the roof of the building, first, as shown in FIG. 16 (a), the base frame forming the front wall 2 on the front end side of the opening 1 provided in the roof. The material 20 is erected, and then, as shown in FIG. 16 (b), the base frame material 28 constituting the side wall 4 is erected on both sides of the base frame material 20, and as shown in FIG. 16 (c). A base frame member 34 forming the roof panel 6 is placed on top of base frame members 20 and 28 forming the front wall 2 and the side wall 4, and a roof plate member 35 is laid on the base frame member 34. here,
The load-bearing plywood 2 is provided on the outer surface of the base frame member 20 which constitutes the front wall 2.
1 is installed, the exterior material 22 is installed on the outer surface of the load-bearing plywood 21, and the lighting window 3 is installed in the opening 27 provided in the base frame material 20, the load-bearing plywood 21, and the exterior material 22 to form the front wall 2. To be done. A sleeve panel 24 and a gallery 23 are installed on the outer surface of the exterior material 26 that constitutes the front wall 2. Reference numeral 25 is a support frame member that constitutes the sleeve panel 24. Next, a base material 29 is installed on the outer surface side of the base frame material 28 that constitutes the side wall 4, and the outer surface of the base material 29 and the entire upper surface of the roof plate material 35 and each base frame material are installed as shown in FIG. 17A. A waterproof sheet 36 is laid on the outer surface of the upper edges of 20, 20, and a base frame material forming a front end lower edge of the base frame material 20 forming the front wall 2 and a side wall 4 as shown in FIG. 17B. A drainer 44 and a rain plate 45 are installed on the lower edge of the side edge of 28, and each base frame material 2
The roof panel cover 37 is installed on the waterproof sheet 36 laid on the upper ends of 0 and 28 and the entire upper surface of the roof plate material 35,
The domer A is formed by disposing the gable 40 on the roof panel cover 37 so as to cover the covering piece 38 and the connecting piece 39 formed on the edge of the roof panel cover 37 and fixing the gable 40 with nails. It is something.

[0016]

As described above, according to the present invention, the front wall having a width dimension larger than the opening width of the opening is erected at the eaves side front end of the opening provided on the roof, and the daylighting window is provided on the front wall. Provided, side walls are erected on both sides of the front wall so as to surround the eaves side of the opening, and the roof panel is installed between the wooden roof panel receiving members arranged inside each side wall. Since wooden studs are erected on the opening edge of the roof and the middle of the roof panel is placed on the stud, supporting strength can be improved by supporting the middle of the roof panel by the studs. Even if it is large, the dormer can be constructed by supporting the roof panel with a structural member such as a wooden roof panel receiving member or a stud.

[Brief description of drawings]

FIG. 1 is a front view of the entire building showing the installation position of a dormer.

FIG. 2 is a sectional view taken along the line EE in FIG.

FIG. 3 is an exploded perspective view of a dormer.

FIG. 4 is a view showing a dormer, in which (a) is a partially cutaway front view, (b) is a partially broken plan view, and (c) is a side view.

FIG. 5 is a cross-sectional view taken along the line Loro in FIG.

FIG. 6 is a cross-sectional view taken along the line of FIG.

FIG. 7 is a side view of FIG. 4 (b).

FIG. 8 is an enlarged cross-sectional view of part D in FIG.

FIG. 9 is an enlarged cross-sectional view showing a state where the gable is attached to the side wall.

FIG. 10 shows the installation state of the dormer,
(A) is a partially broken front view and (b) is a sectional view.

FIG. 11 is a plan view showing a roof base material.

FIG. 12 is a partially cutaway side view showing an installed state of a rafter reinforcing member.

FIG. 13 is a sectional view of the above.

14 is a cross-sectional view taken along the line H-H in FIG.

FIG. 15 is a sectional view taken along line Toto in FIG.

16 (a), (b) and (c) are explanatory views for explaining a construction procedure.

17 (a) and 17 (b) are explanatory views for explaining a construction procedure.

[Explanation of symbols]

 1 Opening 2 Front wall 3 Daylighting window 4 Side wall 5 Roof panel receiving member 6 Roof panel 7 Pillar

Claims (1)

[Claims] 1. A front wall having a width dimension larger than the opening width of the opening is erected at the eaves-side front end of the opening provided on the roof, a lighting window is provided on the front wall, and the eaves side of the opening is provided. Side walls are erected on both sides of the front wall so as to surround them, and roof panels are installed between the wooden roof panel receiving members arranged inside each side wall, and wooden studs are installed on the opening edges on both sides of the opening. A dormer that is constructed by standing upright and placing the middle of the roof panel on the stud.