JP2000273943A - Roof balcony for building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a roof balcony for a building, which is large in space, brings about a feeling of release, and allows sufficient daylighting into an attic. SOLUTION: There is provided a roof balcony 1 which is arranged in an opening 16A of a sloped roof surface 16 of a building and communicates with an attic formed under the sloped roof 16. A balcony floor 2 of the roof balcony 1 has its one end positioned on the side of an attic space and the other end protrude from the surface of the sloped roof 16 in a horizontally external direction. Thus, even if the roof balcony is arranged in the opening of the sloped roof, it can have a wide floor space and brings about a feeling of release. Further, daylight can be let in from the roof balcony, which allows sufficient daylighting into the attic space.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof balcony which is provided at an opening of a sloped roof surface of a building and communicates with a back room of a cabin.

[0002]

2. Description of the Related Art In recent years, three-story houses have been increasing for reasons such as effective use of sites and use for two households. At the same time, the ratio of so-called three-story houses in the back of a hut, in which the third floor is provided behind a sloping hut, is also increasing due to restrictions on the Building Standards Law and consideration for neighborhood houses in the area (Japanese Unexamined Patent Publication No. -169114).

[0003]

However, when the back of the hut is a living room, it becomes difficult to illuminate because it is a room with a sloping ceiling covered by the roof. For this reason, attempts have been made to improve the living environment by increasing the daylighting area by using a dormer or a top light, or by making a roof balcony formed by providing balcony on a sloped roof. However, it was not possible to make a barconi of the desired size, and the closed space had not yet been fundamentally improved.There was a need for a spacious and well-lit cabin back room. Have been.

[0004] It is an object of the present invention to provide a roof balcony for a building which is spacious and can provide a sense of openness, and in which the lighting in the back room of the cabin is sufficient.

[0005]

The roof balcony of a building according to the first aspect of the present invention will be described with reference to the drawings, as shown in FIGS. A roof balcony, which is provided at 16A and communicates with a hut back room 15 provided below the sloped roof 16, is provided with a balcony floor 2, and one end of the balcony 2 is located on the roof back 15 side. The other end of the balcony floor 2 protrudes outward in the horizontal direction from the surface of the sloped roof 16.

[0006] In the above, the dimension from one end to the other end of the balcony floor is not limited, but the dimension from the intersection between the sloped roof and the balcony floor to one end of the balcony floor is more from the intersection position to the balcony floor. Although it is preferable that the dimension up to the other end of the floor is longer, the dimension up to the other end of the barconi floor may be made longer in order to obtain a larger cabin backroom.
In addition, the shape of the portion protruding horizontally outward from the sloped roof surface may be the same width as the floor portion of the hut back room, or may be made to protrude as it is, or the width of the floor portion of the hut back room side The width of the protruding portion may be increased. In this case, the shape of the protruding portion may be any shape such as a square, a semicircle, or a polygon. Further, the protruding portion may be supported by any method such as a cantilevered state or a support from a roof surface by a support. In addition, it is preferable that an inclined water gradient is provided on the upper surface of the balcony floor toward the tip of the protruding side.

In the present invention, since the other end of the balcony floor projects horizontally outward from the surface of the sloped roof, it is provided at the opening of the sloped roof when combined with the part on the side of the cabin back room. Even with a roof balcony, a wide floor can be obtained. Further, since a part of the balcony floor is provided outside the sloped roof surface, there is a sense of openness. further,
Since the lighting can be obtained from the roof balcony, the lighting in the back room of the cabin is sufficient.

The roof balcony of the building according to the second aspect of the present invention is, as shown in FIG. 4, the roof balcony of the building according to the first aspect, wherein the balcony floor 2 is formed by framed frame members. A plurality of joists 4 arranged from the back of the hut 15 toward the protruding side of the frame 3 formed, and the protruding portion 2B has a cantilever shape with no support below. It is characterized by the following.

According to the present invention, the balcony floor can be manufactured in a factory or the like in advance, and it is only necessary to attach the floor at the site. In addition, a wide overhanging floor surface can be obtained, and a support member for the protruding portion is not required, so that it is possible to reduce the time and labor required for manufacturing and mounting the member, thereby shortening the construction period. it can.

The roof balcony of the building according to the third aspect of the present invention is, as shown in FIGS. 5 and 6, the roof balcony of the building according to the first or second aspect.
The edge length of the second protruding portion 32B in the direction orthogonal to the joist 34 is formed to be longer than the edge length in the direction orthogonal to the joist 34 of the floor 32B on the hut back room 15 side. Things.

[0011] In the above, the edge length of the protruding portion may be longer than the edge length of the floor portion on the hut back room side, and the edge portion of the floor portion on the hut back room side extends on both sides of the edge. It is preferable that the projection is formed to have an elongated shape in plan view, but is not limited thereto. The projection may be formed in a shape in which the protrusion on one side in a plan view is removed, that is, an L shape in a plan view extending to one side of the end edge and extending.

In the present invention, since the projecting portion of the balcony floor is spread laterally from the side of the cabin, the roof balcony is open when viewed from the cabin back. be able to.

As shown in FIG. 4, the roof balcony of the building according to the fourth aspect of the present invention is the roof balcony of the building according to any one of the first to third aspects. A handrail 7 including a non-face material member 7A is provided on the outer periphery of the protruding portion 2B from the surface.

In the above description, the handrail may be of any type as long as it does not use face materials. For example,
A handrail that supports a plurality of handrails at predetermined intervals, or a lattice-shaped member (including wire mesh)
In other words, it suffices if sufficient ventilation can be obtained in the hut back room.

In the present invention, since the handrails do not use face materials, the lighting and ventilation are not blocked by the handrails of the roof balcony, and thus the lighting and ventilation are provided in the cabin back room. Can be obtained efficiently, and it is difficult to create shadows due to handrails on the adjacent land.

The roof balcony in a building according to claim 5 of the present invention will be described with reference to the drawings, as shown in FIG. The balcony floor 42 includes a floor 45A on the side of the interior 42A and a floor 45B on the side of the protrusion 42B.
2 and is disposed at a slope where the inclination becomes lower toward the drain groove 47 along the eaves side edge of the roof opening 16A intersecting with the balcony floor 42. .

According to the present invention, the water due to rain or the like that accumulates on the upper surface of the roof balcony is drained toward the drain and can be drained to the roof surface. Does not accumulate.

[0018]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG.
The roof balcony 1 according to the embodiment is a unit building 1
0 is provided. This unit-type building 10 is constructed by combining a plurality of lower-floor building units 11, upper-floor building units 12, and sloped roofs 16 provided above the upper-floor building units 12 at a building site in advance. Can be In addition, above the upper-floor building unit 12,
While being covered with the sloped roof 16, the inner wall 18, the floor surface material 9
A hut back room 15 formed by the above method is provided.

As shown in FIG. 2, the upper and lower floor building units 12 and 11 have four pillars 20 erected at four corners, and four pillars 20 connecting the upper ends of the pillars 20 and the lower ends thereof.
It is formed with a framework 23 including an upper beam 21 and a lower beam 22 of the book. Then, a ceiling surface material, a floor surface material, an inner wall, an outer wall, and the like are appropriately attached to such a framework 23,
The building unit 12 and the like are completed.

As shown in FIG. 3, the roof panel frame 14 is formed into a square frame by assembling vertical and horizontal frame members.
A roof panel 13 is attached to the upper surface, and a sloped roof 16 of the building is formed. The roof panel frame 14 is supported by a roof bundle 24 and a panel receiving bracket 25, and the roof bundle 24 and the panel receiving bracket 25 are attached to the shed panel 17.

[0021] As shown in FIG.
6, an opening 16A is formed on one surface of the opening 6A.
A is provided with the roof balcony 1. That is, the outer wall 27 of the hut back room 15 is provided in the opening 16A so as to be substantially vertically suspended from the roof surface.
A triangular outer wall 28 for the roof balcony 1 is provided on both sides of the opening 16A. In addition, outer wall 2
7 is provided with a window 29 from which the roof balcony 1 can enter and exit.

As shown in detail in FIG. 4, the roof balcony 1 includes a balcony floor 2, and the balcony 2 is, for example, an outer frame 3 which is a frame framed by a channel material or the like.
In addition, a plurality of joists 4 extending outward from the hut back room 15 are attached at predetermined intervals, and a floor material 5 is placed thereon.

One end of the balcony floor 2 is located on the side of the cabin back room 15, and the other end protrudes outward from a portion intersecting the roof surface. That is, the balcony floor 2 has an indoor part 2A located on the side of the hut back room 15 from a part that intersects with the roof surface, and a protruding part 2B that protrudes outward from a part that intersects with the roof surface. As shown, the support member 6,
The lower surface of the interior 2A is supported and fixed to the hut panel 17 via the floor receiving plate 7. Therefore, the protruding portion 2B is cantilevered. At the time of installing the balcony floor 2 on the support member 6, waterproof treatment is performed by laying a waterproof sheet 8 from the upper surface of the support member 6 to the upper surface of the roof panel 13.

The hut panel 17 is formed in the same size as the ceiling frame formed by the four upper beams of the upper-floor building unit 12, and is mounted on the upper surface of the upper-floor building unit 12. The support member 6 is formed, for example, in the shape of a box, and may be provided with an opening / closing door on the side of the cabin back room 15 and the interior thereof may be used as a storage section.

The projection 2B on the balcony 2
On the outer circumference of a plurality of, arranged at a predetermined interval, for example,
A handrail 7 of a type supporting a heddle 7B is provided with a handrail 7A made of a pipe-shaped member. Here, the roof balcony 1 includes the balcony floor 2, the floor panel 5, and the handrail 7. In addition,
The floor surface material 5 of the balcony floor 2 has a water gradient indicated by an arrow M that is gently inclined from the interior 2A toward the projection 2B. Water is drained from the 2B tip to the roof.

This embodiment has the following effects. Since the roof balcony 1 has one end located on the side of the hut back room 15 and the other end having the interior 2A and the projection 2B projecting from the roof surface 16, the opening 1 of the sloped roof 16 is provided.
Even with the balcony provided in 6A, a large area can be obtained, a feeling of openness can be obtained, and the window 29 is provided.

The projecting portion 2B of the balcony floor 2 in the roof balcony 1 is cantilevered, so that it does not need to be supported from the roof surface, so that the structure is not complicated, and the floor with a wide overhang is provided. You can make a surface.

The handrails 7 of the balcony floor 2 of the roof balcony 1 are a plurality of railings 7A arranged at a predetermined interval and support the coping 7B, so that the lighting and ventilation can be efficiently performed. Obtainable. In addition, since there is no shade in the neighboring land, there is no adverse effect.

Next, a second embodiment of the present invention will be described with reference to FIGS.
The roof balcony 31 of the embodiment will be described. The roof balcony 31 of this embodiment is different from the roof balcony 1 of the first embodiment, which has a rectangular frame shape in plan view, but has a convex shape in plan view. In this embodiment, the same members and the same structure as those of the first embodiment are provided.
The same reference numerals are given, and the detailed description is omitted or simplified.

The roof balcony 31 is a balcony floor 32
And the joists 3 of the projections 32B of the balcony floor 32 are provided.
The edge length in the direction orthogonal to 4 is longer than the edge length in the direction orthogonal to the joist 34 of the interior 32A of the cabin backroom 15 side. That is, the protruding portion 32B has a protruding portion 32C that protrudes in the lateral direction, and the balcony floor 32 is entirely convex in plan view. As shown in FIG. 6, such a plurality of balcony floors 32 extend from the interior 32 </ b> A toward the protrusion 32 </ b> B on an outer frame 33 which is a frame framed by a channel material or the like, for example. Joist 34
Are attached at predetermined intervals, and the floor surface material 35 is placed thereon.

As shown in FIG. 3, the lower surface of the interior 32A of the balcony 32 is supported by the shed panel 17 via the support member 6 and the like, so that the projecting portion 32B is cantilevered. It will be. Balconi floor 3
2, a handrail 37 similar to the above is provided on the outer periphery of the protruding portion 32B. The balcony floor 32 is provided with a water gradient M that is gently lowered from the interior 32A side toward the projection 32B side, and water that accumulates on the balcony upper surface is drained from the tip of the projection 32B to the roof surface. Have been.

In the second embodiment as well, the same effects as described above can be obtained. In addition, since the balcony floor 32 of the roof balcony 31 has a convex shape in plan view, it can be moved from the indoor side to the outside. When you look at it, there is an effect that it is possible to make the balconi wider.

Next, a third embodiment of the present invention will be described with reference to FIGS.
The roof balcony 41 according to the embodiment will be described. In the roof balcony 41 of this embodiment, the roof balcony 1, 31 of the first and second embodiments has a water gradient M from the interiors 2A, 32A of the balcony floors 2, 32 toward the tips of the projections 2B, 32B. Protrusions 2B, 3 of the balcony floors 2, 32
What drained from the 2B tip is provided with a drain groove 47 at the boundary between the indoor portion and the protruding portion, that is, at a portion along the eaves edge of the opening 16A on the roof surface. In this embodiment, the same members and the same structures as those in the above embodiments are denoted by the same reference numerals, and detailed description thereof will be omitted or simplified.

As shown in FIG. 7, the roof balcony 41 is
Balconi floor 4 having indoor part 42A and protruding part 42B
2 is provided. The balcony floor 42 has an outer frame 43 and a joist 44. In a direction orthogonal to the longitudinal direction of the joist 44, recesses 44A are formed in all of the plurality of joists 44, and the recesses 44A are formed in the recesses 44A. A drain groove 47 is attached. The drain groove 47 is provided in the indoor portion 42.
It is configured by a gutter fitted into the concave portion 44A along the boundary between A and the protruding portion 42B.

Since the drainage groove 47 is provided at such a position, the floor surface material 45 is provided on the indoor surface 42A side floor surface material 45A.
And the floor surface material 45B on the side of the protruding portion 42B. The floor surface materials 45A and 45B are provided at an inclination that gradually descends toward the drain groove 47.

That is, the floor member 45A of the indoor part 42A
Is a bracket 46 provided at an end of the frame of the balcony 42 on the side of the hut back room 15, and a position facing the drain groove 47,
Further, it is supported and provided by a bracket 48 attached to the concave portion 44A of the joist 44. Also, the protrusion 4
The floor surface material 45B of 2B includes a bracket 46 provided at the outer end of the roof surface of the frame of the balcony floor 42, and a drain groove 47.
And supported by a bracket 48 attached to the concave portion 44A of the joist 44.

As shown in FIG. 8, the drain groove 47 is provided with a water gradient M which is gently lowered from one end in the width direction of the balcony 42 to the other side. The outlet 47 opens to the outside of the protrusion 42B at the tip of
A is formed. Therefore, the water transmitted through the drain 47 is discharged from the outlet 47A to the roof surface.

In the third embodiment as well, the same effects as described above can be obtained, and water due to rain or the like that accumulates on the upper surface of the balcony floor of the roof balcony flows toward the drain, and from there. Since it can be drained to the roof,
There is an effect that the drainage treatment is easy and that water does not accumulate on the roof balcony.

The present invention is not limited to the above embodiments, but may be modified as follows as long as the object of the present invention can be achieved. For example, in each of the above embodiments, the protruding portions 2B and the like of the balcony floor 2 and the like such as the roof balcony 1 are supported in a cantilevered state. However, the present invention is not limited to this. For example, as shown in FIG. The outer tip of 52B may be supported by a plurality of columns 58 fixed to the roof panel frame 14, for example. By doing so, the strength of the balcony floor 52 of the roof balcony 51 increases, so that it is not necessary to increase the size of the components of the balcony 52,
Handling becomes easy. When the balcony 52 is installed on the support member 6, waterproofing is performed by laying a waterproof sheet 8 from the upper surface of the support member 6 to the upper surface of the roof panel 13.

Further, in the first and third embodiments, the protrusions 2 of the balcony floors 2 and 32 of the roof balcony 1 and 31 are used.
B and 32B are rectangular shapes having a wider width than the interior portions 2A and 2B, but the invention is not limited to this. As shown in FIG. The roof balcony 6 may have a shape. In this manner, a large area can be obtained, and a balcony having a different shape can be obtained.

[0041]

As described above, according to the roof balcony of the present invention, the other end of the balcony floor protrudes horizontally outward from the sloped roof surface. When combined with the above, a wide floor surface can be obtained even with the roof balcony provided on the sloped roof. Also,
Since a part of the balcony floor is provided outside the sloped roof surface, there is a sense of openness. Furthermore, since the lighting can be obtained from the roof balcony, there is an effect that the lighting in the cabin back room becomes sufficient.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing a unit-type building provided with a roof balcony of a first embodiment according to the present invention.

FIG. 2 is an overall perspective view showing a framework of a building unit constituting the unit-type building of the embodiment.

FIG. 3 is a longitudinal sectional view showing a unit-type building provided with a roof balcony in the embodiment.

FIG. 4 is an overall perspective view showing a roof balcony of the embodiment.

FIG. 5 is an overall perspective view showing a roof balcony in a second embodiment according to the present invention.

FIG. 6 is an overall perspective view showing a roof balcony of the embodiment.

FIG. 7 is an overall perspective view showing a roof balcony in a third embodiment according to the present invention.

FIG. 8 is a partially enlarged view showing a drainage structure of the roof balcony in the embodiment.

FIG. 9 is a longitudinal sectional view showing a unit-type building provided with a roof balcony in a modified form according to the present invention.

FIG. 10 is an overall perspective view showing a roof balcony in another modified embodiment according to the present invention.

[Explanation of symbols]

 1,31,41 Roof Balconi 2,32,42 Balconi Floor 2A, 32A, 42A Indoor 2B, 32B, 42B Projection 4 Joist 7 Handrail 10 Unit-type building 15 Small hut back room 16 Slope roof 16A Opening

Claims (5)

[Claims] 1. A roof balcony which is provided at an opening of a sloped roof surface of a building and communicates with a hut back room provided below the sloped roof, comprising a balcony floor. The roof balcony of a building, characterized in that one end of the roof balcony is located behind the hut, and the other end of the balcony floor protrudes horizontally outward from the sloped roof surface. 2. The roof balcony in a building according to claim 1, wherein the balcony floor has a plurality of joists on a frame formed by framed a frame member from the back side of the cabin to the projecting side. A roof balcony for a building, wherein the roof balcony is formed of a floor panel disposed thereon, and the protruding portion has a cantilever shape without a support portion thereunder. 3. The roof balcony of the building according to claim 1, wherein an edge length of the projecting portion of the balcony floor in a direction orthogonal to the joist is equal to a length of a floor on the side of the cabin back room. A roof balcony for a building, wherein the roof balcony is formed to be longer than an edge length in a direction orthogonal to the joist. 4. The roof balcony of a building according to claim 1, wherein a handrail including a non-face material member is formed on an outer periphery of a portion of the balcony floor protruding from the sloped roof surface. The roof balcony of the building, which is provided. 5. The roof balcony of a building according to claim 1, wherein the balcony floor includes a floor member on the indoor side and a floor member on the protrusion side. The floor surface material is provided on the balcony floor and is arranged at a gradient such that the slope decreases toward the drain groove 47 along the eaves side edge of the roof opening crossing the balcony floor. Roof Balconi of the characteristic building.