JPH07139030A - Floor panel - Google Patents

Abstract

PURPOSE:To prevent generation of dew condensation in the inside so as to improve life period by providing a floor panel with a ventilating function. CONSTITUTION:Long and short rafters 15, 25 for supporting long and short roof boards 21, 22 and wooden ledges 16a, 16b are interposed between the upper surface of a structural plywood 13a and long and short roof boards 21, 22 for covering the upper surface to form an air circulating path 30 in a gap between the structural plywood 13a and the long and short roof boards 21, 22. Further, the floor panel is provided with an outside air communicating opening part 20 for communicating the air circulating path 30 with the outside air and a building side communicating opening part 18 for communicating the air circulating path 30 with a wall inner space layer 35 of a building 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor panel used in, for example, a building unit or the like.

[0002]

2. Description of the Related Art As a conventional floor panel, for example, FIG.
3 and Japanese Patent Publication No. 2-48697 shown in FIG. 14 are known. In such a structure, the roof unit with a balcony 3 is placed on the attached lower-floor building unit 2 that projects to the first floor of the unit building 1. The roof unit 3 with a balcony is mainly configured by a rectangular floor panel 4 and a handrail portion 3a standing upright on three sides of the four side edge portions of the floor panel 4. Of these, the floor panel 4 is formed by vertically and horizontally arranging a plurality of roof frame members 5 on a ceiling plate member 10 which also serves as a ceiling portion of the attached lower floor building unit 2 and attaching roof plate members 6 ... There is.

The roof plate members 6 are arranged so as to be inclined slightly downward with respect to the building body 7 side, and the upper surface of the roof plate member 6 serves as a flat roof member 8. A drainage groove 9 is formed at the end of the flat roof portion 8 so that rainwater or the like flowing on the flat roof portion 8 can be drained.

Further, in the unit building disclosed in Japanese Patent Publication No. 4-72936, an air flow passage is provided between the outer wall and the inner wall of the wall portion to suppress heat dissipation, warm air performance and dew condensation. I am trying.

[0005]

However, in the conventional structure shown in FIGS. 13 and 14, the roof plate members 6 ... Are directly waterproofed in order to ensure good drainage. ing.

Therefore, the space A in the floor panel 4 surrounded by the roof plate member 6, the roof frame member 5, and the ceiling plate member 10 is closed, and the space A in the space A is closed through the gap on the side of the building body 7 or the like. The moisture that has penetrated into the chamber cannot be discharged, and dew condensation occurs on the surface of the roof plate member 6 ..., the roof frame member 5, ... I was afraid.

It is known that the member 5 or the like in which dew condensation occurs deteriorates at a speed faster than that of a dried member. Therefore, in the wall portion of the building 1, the above-mentioned Japanese Patent Publication No. 4-7
As described in Japanese Patent No. 2936, there is already known a method in which an air flow passage is provided between an outer wall and an inner wall to suppress the generation of dew condensation. No measures taken, roof unit with balcony 3
Was one of the causes of shortening the service life of.

Therefore, an object of the present invention is to provide a floor panel which is provided with a ventilation function to prevent the generation of dew condensation inside and to improve the service life.

[0009]

In order to solve the above problems, according to the present invention, a support member for supporting the surface plate between the upper surface of the floor base panel and the surface plate covering the upper surface. To form an air flow passage in the gap between the floor base panel and the surface plate, and further, to connect the air flow passage and the outside air to the outside air communication port and the air flow passage and the wall of the building. It features a floor panel that has a building side communication opening that communicates with the inner space layer.

[0010]

[Operation] According to this configuration, the air introduced from the outside air communication port passes through the air flow passage formed in the gap between the floor base panel and the surface plate, and the building side communication port opens to the building wall. It escapes into the inner space layer. Further, the air in the space layer in the wall of the building passes through the air flow passage from the building-side communication port, and is discharged to the outside from the outside air communication port.

As described above, since the air constantly flows in the air flow passage, the moisture that has entered the inside of the floor panel is also discharged to the outside together with this air, and the dry state is maintained.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described below with reference to the drawings.

1 to 12 show an embodiment of the present invention. The same or equivalent parts as those of the conventional example are designated by the same reference numerals.

First, the structure will be described. In the figure, reference numeral 1 is a unit building of this embodiment, and a roof unit 3 with a balcony is mounted on an attached lower floor building unit 2 projecting on the first floor of the unit building 1. It is location. The balcony roof unit 3 is mainly composed of a rectangular floor panel 11 and a handrail portion 3a standing upright on three sides of the four side edge portions of the floor panel 11.

As shown in FIGS. 4 to 6, the floor panel 11 has a box-shaped structure 14 formed by attaching structural plywoods 13a ... And 13b. To be done. The frame 12 is composed of a plurality of roof beam members 12a and an inner frame member 12b.
And, the periphery of this structure 14 is the roof beam member 12a.
And a heat insulating material 15 such as glass wool is interposed inside. The structural plywoods 13a and 13b are made of breathable plywood or a sheathing board.

Structural plywood 13a above the structure 14
As shown in FIG. 7, a plurality of long trees 15 and short trees 25, which are one of the supporting members, are arranged substantially parallel to each other and fixed by nails 17 on the top. These short and long rafters 15 ... and 25 ... have stepped portions 15a, 1 at both ends.
5a and 25a, 25a are formed respectively. Of these, wooden bars 16a, 16a as one of the supporting members are fixed to the step portions 15a, 15a of the long tree 15 by nails 17 and arranged.

Therefore, the wooden crosspiece 16a is arranged apart from the upper surface of the structural plywood 13a. In the gap between the wooden crosspiece 16a and the upper surface of the structural plywood 13a, the opening closest to the building 1 is the building-side communication port 18.

Further, on the short length of wood 25, an outer wood crosspiece 16b is arranged from the front side of the drawing in FIG. 8 while being fixed from the side by nails 17 while making contact with the upper surface of the structural plywood 13a. Has been done. In the step portion 25a on the opposite side of the short wooden piece 25, a wooden bar 16 as one of the supporting members is provided.
a is fixed by nails 17 ...

As shown in FIG. 10, a plurality of vent holes 19 ... Are formed in the upper structural plywood 13a between the short wooden pieces 25 ... As shown in FIG. In addition, as shown in FIG. 5, the lower structural plywood 13b has the outside air communication port 2
0 is formed.

Then, as shown in FIGS. 11 and 12, on the wooden crosspieces 16a, 16b and the long and short trees 15, 25, there are long long bottom boards 21 ... The long and short barrels 15 and 25 and the wooden bar 16
It is supported and attached by a and 16b. The long and short base plates 21 and 22 are waterproofed in advance.

In the gap between the long and short base plates 21 and 22,
A drainage groove 9 is formed. The long and short base plates 21, 22 are arranged so as to incline downward toward the drain groove 9. A drain pipe 9a extending downward from the drain groove 9 is provided in the drain groove 9 as shown in FIG.
A DN sheet 9b as a molded product that connects the drainage groove 9 and the drainage pipe 9a, and a grating 9b that covers the drainage groove 9 without forming a step are provided.

On the upper parts of the long and short base plates 21 and 22,
As shown in FIG. 1, vinyl chloride steel plates 23 and 24 are arranged respectively. Further, cover steel plates 25 and 26 are disposed on the upper portions of the vinyl chloride steel plates 23 and 24, and the surfaces thereof are covered with concrete flat plates 27 and 28.

[0023] And, the long and short base plates 21 and 22,
An air flow passage 30 is formed in the gap from the structural plywood 13a from the ventilation hole 19 to the building-side communication port portion 18. The air in the air flow passage 30 is configured to communicate with the outside air via the outside air communication port portion 20 and the ventilation holes 19. The outside air communication port portion 20 coincides with the eaves lower portion 31 and has the opening direction directed downward. The outside air communication port 20 is provided with an eaves roofing member 33 inside the horizontal molding 32 in order to prevent rainwater from being blown up.

Next, the periphery of the building side communication port portion 18 will be described. The building-side communication port portion 18 is in contact with the outer wall portion 34 as the wall portion of the building 1. This outer wall 34
Is in the gap between the outer wall panel 34a and the inner panel 34b,
The space layer 35 in the wall is formed. Then, the air in the space layer 35 in the wall passes through the building-side communication port portion 18,
It is configured to communicate with the air in the air flow passage 30.

Next, the operation of this embodiment will be described. In this embodiment, the air introduced from the outside air communication port 20 has the structural plywood 13a as the floor base panel and the long and short length base plates 21, 2 as the surface plates through the ventilation holes 19.
It passes through the air flow passage 30 formed in the gap between the two and exits from the building-side communication port 18 into the space layer 35 in the wall of the building 1. Further, the air in the wall space layer 35 of the building 1 passes through the air passage 30 from the building-side communication port portion 18 and is discharged to the outside from the outside air communication port portion 20 through the ventilation holes 19.

As described above, since the air constantly flows through the air flow passage 30, the moisture that has entered the floor panel 11 is also discharged to the outside together with the air, and the dry state is maintained.
Therefore, it is possible to prevent the occurrence of dew condensation. Therefore, it is possible to delay the deterioration of each member 13a and the like used in the floor panel 11 and improve the service life.

In this embodiment, the structural plywood 1 is also used.
Since 3a and 13b can be made of a material having air permeability, the glass wool or the like inside the structure 14 is not filled with moisture, and the heat insulation performance is good.

Further, in this embodiment, since the air flow passage 30 communicates with the inside of the wall space layer 35 through the building side communication port 18, the dry air flows through the inside of the wall space layer 35. By doing so, the service life of the entire building can be further improved.

Further, in this embodiment, the outside air communication port 2
Since 0 is aligned with the eaves lower part 31 and the opening direction is directed downward, there is almost no possibility that the rainwater blown up will also come into contact with the eaves top material 33 and enter the air flow passage 30. . Further, since the eaves roofing material 33 is arranged inside the horizontal molding 32, the appearance quality is also good.

Although the embodiment of the present invention has been described in detail above with reference to the drawings, the specific structure is not limited to this embodiment, and the present invention can be applied even if there is a design change or the like within a range not departing from the gist of the present invention. include. For example, in the above-described embodiment, the outside air communication port 20 is made to coincide with the eaves lower portion 31 and the opening direction is directed downward, but the invention is not particularly limited to this, and, for example, as shown in FIG. The air flow passage 30 is communicated with the space B in the interior 3a by a communication port portion 36 shown by a two-dot chain line, and the outside air communication port portion 20 is shown by a two-dot chain line as shown in FIG.
It may be formed at any position on the side surface of a.

In this embodiment, the floor panel 11 is used as the floor panel unit 3 with the balcony, but the present invention is not limited to this, and the floor panel indoors or outdoors may be used. Of course, it can be used in any place.

[0032]

As described above, according to the present invention, moisture is discharged from the air flow passage to the outside together with the air flowing out to maintain a dry state, so that the occurrence of dew condensation can be prevented. .

Therefore, there is a practically useful effect that the deterioration of each member used for the floor panel can be delayed to improve the service life.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a floor panel according to an exemplary embodiment of the present invention and corresponding to a position along line AA in FIG.

FIG. 2 is an enlarged cross-sectional view showing a floor panel of the same embodiment and illustrating a configuration of a joint portion between a handrail portion and the floor panel.

FIG. 3 is an enlarged cross-sectional view showing a floor panel of the same embodiment and explaining a drainage groove.

FIG. 4 is a perspective view showing a floor panel of the same embodiment and illustrating a structure of a structure.

FIG. 5 is a perspective view showing a floor panel of the same embodiment and illustrating a structure of a structure.

FIG. 6 is a perspective view showing a floor panel of the same embodiment and illustrating a structure of a structure.

FIG. 7 is a perspective view illustrating a floor panel of the same embodiment and illustrating a state of arranging a tree as a structure.

FIG. 8 is a perspective view illustrating a floor panel of the same embodiment and illustrating a manner of disposing wooden crosspieces in a structure.

FIG. 9 is a perspective view illustrating a floor panel of the same embodiment and illustrating a state in which a tree and a wooden crosspiece are arranged in a structure.

FIG. 10 is a perspective view illustrating a floor panel of the same embodiment and illustrating a state of forming a ventilation hole in a structure.

FIG. 11 is a perspective view showing a floor panel of the same embodiment and illustrating a manner of arranging a field board on a structure.

FIG. 12 is a perspective view showing a floor panel of the same embodiment and explaining a state in which a field board is arranged in a structure.

FIG. 13 is a perspective view of a building showing a conventional floor panel.

FIG. 14 is a cross-sectional view taken along the line AA of FIG. 13 showing a floor panel of a conventional example.

[Explanation of symbols]

 11 Floor panel 13a Structural plywood (Floor base panel) 15 Long wood (one of the support members) 25 Short wood (one of the support members) 16a, 16b Wooden crosspiece (one of the support members) 18 Building side communication port 20 Outside air Communication port 21,22 Long and short base plate (part of surface plate) 30 Air flow passage 34 Outer wall 35 Space layer inside wall

Claims (1)

[Claims] 1. An air flow in a gap between the floor base panel and the surface plate by interposing a support member for supporting the surface plate between the upper surface of the floor base panel and the surface plate covering the upper surface. A passage is formed, and further has an outside air communication port that communicates the air flow passage with the outside air, and a building side communication port that communicates the air flow passage with the space layer in the wall of the building. Floor panel.