JPH0941477A - Balcony floor panel ventilating structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the temperature rise of a floor panel by providing vent holes, communicated with the internal space of the floor panel from the outdoor side, at joint parts among the end part of an eave soffit, the end part of floor face material of the floor panel and the exterior wall of a habitable room. SOLUTION: A balcony is provided at the upper face of the ceiling 32 of a habitable room 3 in such a state that its eaves is protruded from an external wall panel 31 of the habitable room 3. Joists 15, 16 are provided at the back face of a floor frame member 11a through horizontal members 13, 14, and an eave soffit 17 is provided between the joint 15, 16. Decorative moldings 18, 19 are provided on the eaves edge side and eaves base end side. A vent hole 18b of the decorative molding 18 communicates with a cavity part 17a of the eave soffit 17, and the cavity part 17a communicates with a space 21 above heat insulating material 20. A vent hole 19a of the decorative molding 19 communicates with the space 21 through the cavity part 17a. Cold outdoor air entering into the space 21 from the vent holes 18b, 19a therefore pushes away warm air in the space 21 to the outdoor side from the vent holes so as to be able to suppress the temperature rise of a floor panel 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a balcony floor panel ventilation structure.

[0002]

2. Description of the Related Art Conventionally, there is an overhang type balcony which is provided so as to project to the outside from the outer wall surface of a building, for example, as disclosed in Japanese Patent Publication No. 2-48697. The structure of the floor panel of the balcony is a floor frame material (floor joist) with a floor base material, waterproof material, floor finishing material, etc. attached to the top surface, and a ceiling material on the back side of the floor frame material. It is stretched and used as the ceiling of living rooms.

[0003]

However, in the structure of the conventional balcony as described above, there is a space formed between the floor and the ceiling through the floor frame material. Since this space is not structured to be ventilated, the floor panel and the air inside the floor panel rise to a high temperature when exposed to direct rays from the outside in the summer. As a result, there is a problem in that the temperature of the living room or the like under the floor panel rises and comfort is impaired.

The present invention has been made in view of the above problems, and an object of the present invention is to solve these problems and to ventilate the inside of the floor panel to raise the temperature. It is intended to provide a ventilation structure for a balcony floor panel that can suppress the above.

[0005]

In a ventilation structure for a balcony floor panel according to the present invention, a floor frame member, a base material stretched on the upper surface of the floor frame member, and a floor, which are arranged so as to project from the living room on the lower floor, are provided. A ventilation structure for a balcony floor panel consisting of a surface material, at the end of the eave ceiling provided on the lower surface of the eaves of the floor panel, and at the joint between the end of the floor surface material of the floor panel and the outer wall of the living room. A ventilation port is provided which communicates with the space inside the floor panel from the outside.

[0006]

In the ventilation structure of the balcony floor panel according to the present invention, the balcony is arranged so as to protrude from the living room on the lower floor and is composed of the floor frame material, the base material stretched on the upper surface, and the floor material. A ventilation structure for a floor panel, wherein the end of the eave ceiling provided on the lower surface of the eaves of the floor panel, and the joint between the end of the floor panel material and the outer wall of the living room are placed inside the floor panel from outside. Since there is a vent that communicates with the space of the floor space, the air flow from one vent to the other vents the air inside the floor panel efficiently, increasing the temperature of the floor panel. Can be suppressed.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing an arrangement of balconies provided in a unit building or the like. In FIG. 1, a balcony 10 includes a living room 1 on the lower floor of a unit building, a living room 2 on the upper floor, and a living room 1 on the upper surface of a living room 3 projecting outward from the living room 1 on the lower floor. Room 2
This is an example in which it is provided so as to project to the outdoor side from the boundary part.

As described above, in the case where the balcony 10 is installed on the ceiling of the living room 3 which projects to the outside, the floor panel and the floor panel are exposed to the direct rays from the outdoors in summer. Air rises to a high temperature, which results in
It means that the temperature of the lower room 3 rises and comfort is impaired. The present invention is for solving the above-mentioned problems, and the ventilation structure of the floor panel of the balcony will be described in detail below.

2 and 3 are cross-sectional views of an essential part showing an example of the ventilation structure of the balcony floor panel of the present invention. FIG. 2 is a portion A of FIG. 1 and FIG. 3 is a portion B of FIG. It shows the details of. In FIG. 2, an outer wall panel 31 is provided facing the outside of the living room 3, and a ceiling 32 is stretched above the living room 3.

The balcony 10 is provided on the upper surface of the ceiling 32 of the living room 3 so that the eaves of the balcony 10 project from the outer wall panel 31 of the living room 3. This balcony floor panel 11
Is a floor frame material (floor joist) 11a, a base material 11b stretched on the upper surface of the floor frame material 11a, and a floor material 11 made of sheet metal.
and c. On the eaves side of the floor panel 11, a drainage groove 11d is provided by cutting out a part of the floor joist 11a so that the end of the floor surface material 11c can be hung vertically to perform rain warding.

The outdoor side end of the floor frame member 11a projects from the outer wall 31 of the living room 3 on the lower floor and is provided with an eaves tip. Further, a floor beam 12a is provided in parallel at the tip of the floor frame member 11a, and a handrail 12 is provided upright above the floor beam 12a.

On the back surface of the floor frame material 11a, horizontal members 13 and 14 are provided in the girder direction on the eaves side and the eaves side, respectively, and the rear surfaces of the horizontal members 13 and 14 are used for the eaves ceiling discontinuously. Norien 15 and 16 are provided respectively. The eaves ceiling 17 is stretched over the field edges 15 and 16, and cosmetic malls 18 and 19 are provided on the eaves side and the eaves side of the eaves ceiling 17, respectively.

The decorative molding 18 is hung vertically from the outdoor end surface of the cross member 13, has a hollow portion 18a at the lower end in cross section, and has a vent hole 18b consisting of a defected portion on the upper inside side of the eaves ceiling 1.
7 is bypassed, and the cavity 17 on the upper surface of the eaves ceiling 17 is bypassed.
It is formed so as to communicate with a. Also, the cavity 1
7a communicates with the space 21 above the heat insulating material 20 provided between the floor frame members 11a of the floor panel 11.

On the other hand, the front end of the cosmetic molding 19 on the eaves side is slightly bent upward, and a gap is formed between the cosmetics molding 19 and the rear surface of the eaves ceiling 17 to form a ventilation port 19a. The vent hole 19a bypasses the field edge 16 above the eaves ceiling 17 and communicates with the space 21 via the cavity 17a.

Therefore, the space 21 inside the floor panel 11 is
As described above, the ventilation holes 18b at both ends of the eaves ceiling 17 and the eaves side, and the ventilation holes 19a are kept in continuous communication with each other, and outdoor air can be ventilated as indicated by a dotted line. it can.

In FIG. 3, from the room 1 on the lower floor to the room 1
The end of the floor panel 11 of the balcony 10 on the side of the living room is disposed above the living room 3 adjacent to the above and protruding to the outdoor side. On the floor beam 2a provided on the outer wall side of the living room 2, the cross members 11e of the floor panel 11 are bolts and nuts (not shown).
It is fastened and fixed by. The horizontal member 11e includes a cavity portion 2 provided between the horizontal member 11e and the floor beam 2a.
Ventilation holes 11h communicating with f are provided everywhere.

A folded-back portion 11g is provided outward at the tip of an end portion 11f of the floor panel 11a made of sheet metal of the floor panel 11 which is raised in the vertical direction, while the outer wall panel 2b of the living room 2 is provided. A drainer 2d is provided so as to project from the inside of the face material 2c, and a folded-back portion 2e is formed below the drainer 2d so as to face the folded-back portion 11g of the floor surface material 11a with a space (gap) therebetween. The engaging portion is composed of the folded portion 2e and the folded portion 11g.

Therefore, the vent 22 is provided by the engaging portion. The vent hole 22 communicates with the space 21 inside the floor panel 11 via the hollow portion 2f, and the heated air in the space 21 passes through the hollow portion 2f and is indicated by the one-dot chain line in the figure. The air is discharged to the outside while bypassing the ventilation port 22, and the ventilation path is formed.

That is, the outdoor cold air that has entered the space 21 inside the floor panel 11 through the ventilation holes 18b and 19a under the eaves described in FIG. 2 stagnant in the space and is heated. The air from the ventilation port 22 to keep the space 21 in the floor panel 11 in a ventilated state at all times and to cool the surroundings, and the air in the floor panel 11 is efficiently ventilated. Therefore, the rise in temperature of the floor panel 11 can be suppressed.

In the ventilation structure for the balcony floor panel of the present invention, the structure of the ventilation hole provided under the eaves and the ventilation hole formed at the engaging portion between the drainage portion of the outer wall and the end of the floor panel material of the floor panel are as follows: However, the present invention is not limited to the above-mentioned embodiment, and all modified examples are included as long as there is no blowing of rain or the like and have a ventilation function equivalent to that of the embodiment.

[0021]

In the ventilation structure of the balcony floor panel of the present invention, the floor frame material, which is arranged so as to protrude from the living room on the lower floor, is provided with the base material and the floor material stretched over the upper surface. A balcony floor panel ventilation structure comprising: a floor from the outside at the end of the eave ceiling provided on the lower surface of the eaves of the floor panel and at the joint between the end of the floor panel material and the outer wall of the living room. Since there is a vent that communicates with the space inside the panel, the air flow from one vent to the other vents the air inside the floor panel efficiently, reducing the temperature of the floor panel. The rise can be suppressed. Therefore, it is suitable as a ventilation structure for balcony floor panels.

[Brief description of drawings]

FIG. 1 is a side view showing an arrangement of balconies provided in a unit building or the like.

FIG. 2 is a sectional view of a main part showing an example of a ventilation structure for a balcony floor panel according to the present invention.

FIG. 3 is a sectional view of a main part showing an example of a ventilation structure for a balcony floor panel of the present invention.

[Explanation of symbols]

 1, 2 and 3 Living room 2a Floor beam 2b Wall panel 2c Wall material 2d Drainer 2e Bent part 10 Balcony 11 Floor panel 11a Floor frame material 11b Base material 11c Floor surface material 11d Drainage groove 11f End part 11g Folded part 11h Vent hole 12 Handrail 12a Floor beams 11e, 13, 14 Horizontal members 15, 16 Nobe 17 eaves Ceiling 2f, 17a Hollow part 18, 19 Cosmetic mall 18a Hollow part 18b, 19a, 22 Vent 20 Thermal insulation 21 Space 31 Wall panel 32 Ceiling 11f

Claims (1)

[Claims] 1. A ventilation structure for a balcony floor panel, which is arranged so as to project from the living room on the lower floor to the front of the eaves, and is composed of a floor frame material and a base material and a floor material stretched on the upper surface of the floor frame material. At the end of the eave ceiling provided on the lower surface of the eaves of the floor panel, and at the joint between the end of the floor panel material and the outer wall of the living room, ventilation holes are provided that communicate with the space inside the floor panel from the outside. The ventilation structure of the balcony floor panel that is characterized by.