JPS628248Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to wall structures, particularly wall structures of residential buildings in cold regions.

In recent years, with the trend toward energy conservation, there has been a strong desire for highly insulated buildings, and glass wool has been filled into walls made of lumber, and plastic foam and sheathing boards have come to be used as base materials for exterior walls.

However, although the above-mentioned glass wool and plastic foam have excellent insulation properties, they have poor moisture permeability and have little or no humidity control function, so they tend to trap moisture inside the wall and cause internal condensation. It had the following drawback.

On the other hand, although the sheathing boat itself has a humidity control function, it has the disadvantage that the above function is not fully utilized because the outer wall materials and the like are constructed in close contact with it.

The present invention has been made in view of the above-mentioned drawbacks of the conventional art, and is constructed by attaching a plastic foam plate on the surface of a wood fiberboard, and that the surface of the wood fiberboard and plastic foam of the mounting surface is By using an exterior wall base material that has grooves that communicate with the top and bottom ends on at least one side, it improves internal ventilation without impairing the insulation properties of the wall, prevents the occurrence of dew condensation, and increases durability. The purpose of the present invention is to provide a wall structure that can improve properties and is easy to construct.

Next, the present invention will be explained with reference to the drawings which are one embodiment.

1 to 3 show a wall structure according to the present invention, and 1 is an inner wall component made of plywood, fiberboard, gypsum board, plastered wall, and other various materials or combinations thereof. 2 is the exterior wall base material, wood fiberboard 3
A large number of concave grooves 4 and 5 reaching the periphery are provided in a cross-like manner on the outdoor surface side of the holder, and a plastic foam plate 6 is attached to the surface thereof. 7 is siding and other exterior wall construction materials made of mortar or various materials; 8
9 are studs and pillars, 9 is a horizontal rim supporting the inner wall component 1, and 10 is a heat insulating material such as glass wool.

In this wall structure, the inner wall component 1 is fixed to the inner side of the studs and columns 8 via the horizontal rim 9, and the outer wall base material 2 is fixed to the outer side so that the wood fiber board 3 is located on the inner side. , an outer wall component 7 is attached on an outer wall base material 2. Furthermore, a heat insulating material 10 is filled between the inner wall component 1 and the outer wall base material 2.

In addition, as shown in FIG. 1, the upper part of the wall structure is such that the upper end of the outer wall base material 2 is fixed to the outside of the girder 11, and the eaves ceiling board 12 is attached so as not to seal the uppermost end of the outer wall base material 2. are arranged, and the vertical groove 4 communicates with the attic 13.

Further, the outer wall base material 2 is arranged so that the lower part of the groove provided therein is not blocked by the mortar layer 15 provided on the surface of the foundation 14 of the wall structure,
The insides of the grooves 4 and 5 are freely ventilable.

In the wall structure having the above configuration, indoor 1
The moisture generated in step 6 enters the wall body through the inner wall component 1 and the like, and then enters the grooves 4 and 5 through the wood fiberboard that constitutes the outer wall base material 2. The air flowing into the grooves 4 and 5 is discharged to the outside through the attic 13.
In this way, the moisture that enters the grooves 4 and 5 is
There is no condensation inside the wall because the dehumidification is gradually diffused.

In addition, it is possible to prevent the heat insulating material 10 such as glass wool from containing a large amount of moisture and water, which significantly impairs its heat insulating properties, due to the reduction in moisture within the wall. Since the shaped body 6 itself is made of a material with excellent heat insulation properties, the heat insulation properties of the wall body can be further improved.

In the above embodiment, the grooves 4 and 5 were provided in the wood fiberboard 3, but the present invention is not limited to this.
As shown in the figure, a plastic foam plate 6
Grooves 4', 5' may be provided on both the wood fiber board 3 and the plastic foam plate 6, as shown in FIG.

Further, the horizontal grooves 5, 5' are not necessarily necessary, and as shown in FIG.
You can also use only

In addition, the above-mentioned exterior wall base material may be formed by forming grooves in a wood fiberboard or plastic foam board and gluing the two together, or it is also possible to construct each board by applying grooves to the wood fiberboard or plastic foam board, or by attaching each board to the construction material. It is also possible to construct the outer wall base material by laminating them together at the site so that the grooves are located on the inside.

As is clear from the above explanation, the wall structure of the present invention has an inner wall component on the inside of the studs and columns, an outer wall base material on the outside, and an outer wall component on the outside of the outer wall base material. It has a humidity control function by providing ventilated grooves from the lower part of the wall to the upper part of the wall in the outer wall base material, so the moisture inside the wall is diffused and dehumidified. It is possible to prevent dew condensation from occurring within the wall.

In addition, the exterior wall base material uses plastic foam plates on the outside, so it has excellent heat insulation properties.

In particular, even when the humidity is high, the plastic foam plate can prevent moisture in the grooves from condensing and freezing, and is effective in preventing deterioration of insulation properties due to freezing.

Therefore, the wall structure of the present invention, especially in buildings in cold regions where there is a large temperature difference between indoor and outdoor air, prevents condensed water from accumulating moisture inside the wall and causing the wall components to rot or corrode. This can improve the durability of the wall.

In addition, since grooves are formed on the mounting surfaces of the two members that make up the exterior wall base material, the grooves can be filled even when the exterior wall is constructed using not only plate-like materials but also fluids such as mortar. Never.

Furthermore, such a wall structure can be easily constructed without having to provide a large number of ventilation holes in buildings such as houses using not only conventional construction methods but also frame wall construction methods and prefabricated construction methods. have an effect.

[Brief explanation of the drawing]

FIG. 1 is a sectional view showing the wall structure according to the present invention;
Figure 2 is a sectional view taken along the - line in Figure 1, and Figure 3 is a cross-sectional view of Figure 1.
FIG. 4 and FIG. 5 are cross-sectional views showing another embodiment taken along the line - in FIG. 1, and FIG. 6 is a partial sectional view showing another embodiment. It is a cross-sectional perspective view. 1...Inner wall constituent material, 2...Outer wall base material, 3...
Wood fiberboard, 4, 4', 5, 5'... Concave groove, 6...
...Plastic foam plate-like material, 7...External wall construction material, 8...Studs and columns.

Claims (1)

[Scope of utility model registration request] In a wall structure consisting of studs and columns, an inner wall constituent material placed inside them, an outer wall base material placed outside, and an outer wall constituent material outside this outer wall base material, the outer wall base material is made of wood fiberboard. What is claimed is: 1. A wall structure comprising a plastic foam plate attached to the outside, and having a groove in at least one of the mounting surfaces for communicating between a lower part of the wall and an upper part of the wall.