JP5043570B2 - The ventilation structure of the back of the hut and the method of manufacturing the panel. - Google Patents

Description

  The present invention relates to a ventilation structure in a cabin.

  Since a gap is formed between the eaves ceiling part of the eaves part that protrudes outward from the outer wall of a building such as a house and the outer wall, generally the air is distributed to the back of the hut using such a gap. It is possible to ventilate the back of the hut.

  For example, Patent Document 1 discloses a structure of a ventilation portion in which a screw that joins a base rail positioned at a joint portion between an outer wall and an eaves ceiling to the outer wall is hidden from an opening.

  In addition, Patent Document 2 sufficiently secures the width of the gap provided between the outer wall and the eaves ceiling for ventilation of the back of the hut and effectively prevents the invasion of organisms such as birds from the gap. An eaves structure has been disclosed.

Furthermore, Patent Document 3 discloses a structure that ventilates the back of a hut by installing a ventilation member between the top of the eave and the outer wall material in a housing using the same concrete outer wall material as in the present invention. Disclosed.
JP-A-7-189402 Japanese Patent Laid-Open No. 5-98716 Japanese Utility Model Publication No. 6-4223

In the eaves-end structure provided with the conventional ventilation function shown in the above Patent Literature 1 to Patent Literature 3, a ventilation member for ventilating the back of the hut is provided between the eaves ceiling portion of the eave portion and the outer wall. Installed.
In many cases, it is necessary to provide a passage for air to ventilate, so a ventilation member with a complicated cross section is prepared. Moreover, it took time and effort to install it.

  In addition, in recent years, many houses using concrete-based relatively thick outer wall materials have been found. However, the thick material makes it possible to create a pattern with large irregularities on the surface. In some cases, it was difficult to attach to the outer wall surface if it was a shape-like ventilation member.

  In the above-described prior art, the present invention provides a complicated dedicated ventilation part in order to secure the required ventilation capacity of the attic, further improves the point that requires labor and technology for installation, and the concrete system outer wall. By using the thickness of the material and incorporating the ventilation member into the outer wall material itself, the purpose is to eliminate the complicated dedicated ventilation member and simplify the construction.

The ventilation structure of the shed of the present invention that achieves the above problems is a ventilation structure of the shed of a house that uses a concrete-based panel as the outer wall material, and one end of the pipe is on the outdoor side surface of the panel. The outer wall is configured using an outer wall panel having a built-in ventilation tube communicating with the opening provided on the upper end surface of the panel whose other end faces the cabin space, and the outer wall panel is uneven. Manufactured by placing a concrete-based material on a formwork with a pattern surface for patterning the outer wall surface, and the openings of the vent holes provided in the outer wall panel are provided in the concave and convex portions of the panel surface. It is characterized by being.
By providing the air vent opening in the concave portion of the concavo-convex pattern on the surface of the panel, the convex portion serves as a wrinkle so that intrusion of wind and rain can be prevented and the air vent opening becomes difficult to see behind the convex portion. It is also aesthetically pleasing.

Further, the ventilation structure of the shed of the present invention is a ventilation structure of the shed of a house using a concrete-based panel as an outer wall material, and one end of the pipe is provided in the opening provided on the outdoor side surface of the panel. The outer wall is composed of an outer wall panel containing a ventilation pipe communicating with an opening facing the back surface ventilation layer, the other end of which is connected to the back of the cabin space, and the outer wall panel is a pattern of the uneven outer wall surface. It is manufactured by placing a concrete-based material on a formwork in which a pattern surface for attaching a surface is incorporated, and an opening portion of a vent hole provided in the outer wall panel is provided in a concave portion of an uneven pattern on the panel surface . It is characterized by.

You may make it provide the ventilation opening of the panel outdoor side surface below the eaves ceiling material attached to the back surface of the eaves edge of a gradient roof.
By doing so, intrusion of wind and rain from the ventilation opening can be prevented by the eaves.

The outer wall panel is preferably provided with a plurality of vent holes.
By providing a large number of ventilation holes in this way, the ventilation volume in the cabin can be increased and the opening size of each ventilation hole can be reduced, so that the panel strength can be prevented from decreasing and the ventilation holes can be prevented. Invasion of insects and the like can be prevented.

  Insects can be prevented from entering by attaching an Ami-like member to the vent opening, and the influence of wind and rain can be mitigated.

  According to the ventilation structure of the attic of the present invention, it is possible to arrange the ventilation structure for ventilating the inside of the indoor such as the attic with good workability.

BEST MODE FOR CARRYING OUT THE INVENTION The best mode for carrying out the roof ventilation structure of the present invention and the concrete panel manufacturing method used therefor will be described below.
FIG. 1 is a partial cross-sectional view of a ventilation structure of a hut back according to an embodiment of the present invention.
As shown in FIG. 1, the upper end of the concrete panel 3 constituting the building outer wall surface 2 of the house 1 reaches the eaves space 6 between the roof part 4 and the eaves part 5. The eaves space 6 communicates with a shed space 8 between the ceiling surface 7 and the roof portion 4.

  In the house 1 using a concrete panel for the outer wall material shown in FIG. 1, a concrete panel with one end facing the opening provided on the outdoor surface of the concrete panel 3 and the other end facing the shed space. The outer wall is configured by using a concrete panel 3 having a built-in ventilation tube 9 communicating with an opening provided on the upper end surface of 3.

  The curved ventilation tube 9a shown in FIG. 1 includes one opening 10a on the outdoor side surface 3a of the concrete panel 3, and another opening on the side surface 3b facing the shed space continuous with the outdoor side surface 3a. 10b, and allows ventilation between the opening 10a and the opening 10b.

  Therefore, in the house 1 in which the building outer wall surface 2 of the present embodiment constructed by arranging the concrete panel 3 on the outdoor surface is provided, the ventilation path from the ventilation pipe 9 of the concrete panel 3 to the shed space 8 is provided. Is provided.

Further, as the ventilation pipe 9 of the ventilation structure at the back of the shed of the present invention, a non-curved ventilation pipe 9b shown in FIG. 1 can be used, and the outdoor surface 3a of the concrete panel 3 is provided with one opening 10a. The other side surface 3c opposite to the outer surface may be provided with another opening 10c so that air can be passed between the two openings 10a and 10c.
In this case, ventilation between the panel back surface ventilation layer h connected to the cabin space of the concrete panel 3 and the outside of the outdoor side surface 3a is efficiently performed through the ventilation tube 9b.

  The building outer wall surface 2 of the house 1 can be easily constructed by bringing concrete panels 3 produced in advance into the factory from the factory to the site, arranging them on the site, and assembling them. At that time, special on-site construction is not necessary for forming the ventilation path F, and the construction period can be shortened.

The opening 10a on the panel outdoor side surface is provided below the eave roof material 5a attached to the back surface of the eaves 5 of the sloped roof.
By doing so, intrusion of wind and rain from the opening 10a which is a ventilation opening can be prevented by the eaves ceiling material 5a.

As shown in FIG. 3, a plurality of ventilation pipes 9a are provided on the concrete panel 3 which is an outer wall panel.
By arranging such a large number of ventilation pipes 9a, it is possible to increase the ventilation amount in the back of the hut and to reduce the size of the opening 10a of each ventilation pipe 9a. The strength can be prevented from decreasing and insects and the like can be prevented from entering the ventilation tube 9a.

The concrete panel 3 is manufactured by placing a concrete material on a formwork in which a pattern surface for embossing the uneven outer wall surface is incorporated, and the opening 10a of the ventilation tube 9a is formed on the surface of the concrete panel 3. Are provided in the recesses of the uneven pattern.
In this way, by providing the opening 10a of the ventilation tube 9a in the concave portion of the concave and convex pattern on the surface of the concrete panel 3, the convex portion serves as an effect of a flaw, so that intrusion of wind and rain can be prevented and behind the convex portion. It becomes difficult to see the opening 10a of the ventilation tube 9a, which is preferable from the viewpoint of beauty.

As shown in FIG. 3, a net 11 for repelling insects can be attached to one end of the ventilation tube 9.
In this way, by installing the Ami-shaped member 11 in the opening 10a of the ventilation tube 9a, insects can be prevented from entering and the influence of wind and rain can be mitigated.

Next, the manufacturing method of the concrete panel 3 of this invention is demonstrated.
In manufacturing the concrete panel 3 of the present invention, a mold 12 shown in FIG. 2 can be used. A pattern sheet 13 is arranged in the molding frame 12 of the concrete panel 3 used in the present embodiment shown in FIG. The pattern sheet 13 has a plurality of ridges 14 provided continuously in the short side direction or the long side direction of the mold 12 in order to form a concave joint on the surface of the panel 3.

As shown in FIG. 2, the reinforcing bar 15 is arranged in a state of being hung by a back nut hanging long nut 16 according to the size of the panel 3 or the like.
The manufacturing method of the lightweight cellular concrete panel 3 in this Embodiment performed using the formwork 12 which concerns on the following is demonstrated.
First, the ventilation tube 9 is placed in the mold 12. A material of the same quality as that of the lightweight cellular concrete panel 3 can be used for the ventilation tube 9. Moreover, it can be set as the curved shape which opened the both sides.

  Next, a mold 12 and a pattern sheet 13 corresponding to the size of the concrete panel 3 to be molded are prepared. An attachment projection 14 a at one end of the ventilation tube 9 is attached to the convex portion 14 of the pattern sheet 13, and one end of the ventilation tube 9 is attached to the attachment projection 14 a and disposed in the mold 12.

  Further, the reinforcing bar 15 is supported in a state where it is suspended in the formwork 12 by a long nut 16 for hanging the spine, and the ventilation tube 9 is fixed to the reinforcing bar 15 using, for example, a string. To do. Thereafter, a concrete slurry is placed in the mold 12 to manufacture the lightweight cellular concrete panel 3.

With such a manufacturing method, the lightweight cellular concrete panel 3 in which the ventilation tube 9 is embedded as shown in FIG. 3 can be easily manufactured simply by disposing the ventilation tube 9 in the mold 12.

It is a fragmentary sectional view of the ventilation structure of the hut back of one embodiment of the present invention. It is sectional drawing of the formwork used for the manufacturing method of the concrete panel of one embodiment of this invention. It is a perspective view of the concrete panel obtained using the formwork shown in FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 3 ... PALC panel, 9 ... Ventilation pipe, 8 ... Hut space, F ... Ventilation path, 1 ... Housing, 2 ... Exterior wall surface, 12 ... Formwork .

Claims (5)

It is a ventilation structure in the back of a hut in a house that uses a concrete-based panel as the outer wall material, and one end of the pipe faces the opening provided on the outside surface of the panel, and the other end faces the shed space. A formwork in which an outer wall is configured using an outer wall panel having a built-in ventilation pipe communicating with an opening provided on an upper end surface of the panel, and the outer wall panel incorporates a pattern surface for applying an uneven outer wall surface pattern A ventilation structure for a back of a hut, which is manufactured by placing a concrete material on the outer wall panel, and an opening portion of a vent hole provided in the outer wall panel is provided in a concave portion of a concavo-convex pattern on the surface of the panel . It is a ventilation structure of a house shed using a concrete panel as an outer wall material, one end of the pipe is connected to the opening provided on the outdoor surface of the panel, and the other end is connected to the shed space A type in which an outer wall is constructed using an outer wall panel incorporating a ventilation pipe communicating with an opening facing the rear surface ventilation layer of the panel, and the outer wall panel incorporates a pattern surface for patterning the uneven outer wall surface A ventilation structure for a back of a hut, which is manufactured by placing a concrete material on a frame, and an opening portion of a vent hole provided in the outer wall panel is provided in a concave and convex portion on the surface of the panel .   The ventilation structure of the back of a hut of Claim 1 or Claim 2 with which the ventilation opening of the panel outdoor side surface is provided under the eaves ceiling material attached to the back surface of the eaves of a sloped roof.   The ventilation structure of the back of a hut of Claims 1-3 in which a some ventilation hole is provided in an outer wall panel.   The ventilation structure of the back of a hut of Claims 1-4 with which a ami-like member is attached to a vent-hole opening part.

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