JPH09256500A - Building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve waterproof performance by extending the outside board of a wall panel to an attic, providing a ventilation room in the outdoor direction from the outside board below a roof, providing a ventilation hole on the outside board, and providing an air passage to the outdoors from the ventilation room. SOLUTION: Inner wall panels 6 are erected around floor panels, outer wall materials 3 are fitted on the inner wall panels 6 at gaps 75, and a building unit is formed. Extended outside boards 61-1 are fitted at the upper end of the uppermost building unit to form an attic space 55. A ventilation hole 65 is provided on the outside board 61-1, and a louver 66 is fitted to the ventilation hole 65. A skeleton 31 is fitted to the outside boards 61-1, outer boards 32 are fitted on the outside of a vertical portion 312, and an eave soffit 33 is fitted to a horizontal portion 313. The air in a building enters the attic space 55 through small gaps of the ceiling and wall, enters the ventilation room 3 through the ventilation hole 65, and is discharged to the outside through the air passage 35, thus water and snow can be prevented from entering the building.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a well-ventilated building.

[0002]

2. Description of the Related Art As a building with good ventilation, Japanese Patent Publication No. 4-7
As described in Japanese Patent No. 2936, there is known a building including a wall provided with a gap between an outer wall and an inner wall panel. This building has a ventilation tube on the roof, and the air that has passed through the gap provided between the outer wall and the inner wall panel is discharged from the attic through the ventilation tube to the outside air. And the heat insulating material etc. which are arranged in the inner wall panel,
The air that passes through this gap is always dried, and it is possible to prevent deterioration of heat insulation performance and the occurrence of dew condensation in the wall, which improves the habitability of this building.

[0003]

However, some buildings have a structure in which it is difficult to provide a ventilation pipe on the roof, or when the ventilation pipe is provided so as to project from the roof, rainwater easily enters between the ventilation pipe and the roof. Therefore, there is a problem in that it is extremely difficult to construct a water stop between the ventilation cylinder and the roof. Also, if this ventilation cylinder is projected from the roof, it does not have a neat appearance and is ugly. Therefore, an object of the present invention is to provide a well-ventilated building that can release air to the outside without providing a ventilation cylinder.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above object. According to the invention of claim 1, the outer panel of the wall panel is extended to the upper end portion of the attic space to form a roof. A ventilation chamber surrounded by the outer plate is provided under the extended outer plate in a state of protruding in the outdoor direction, and a ventilation hole communicating with the ventilation chamber from the attic space is provided in the outer plate. Is provided with an air passage leading from outside to outside.

According to a second aspect of the present invention, the ventilation room of the building according to the first aspect is provided between the roof and the eaves ceiling, and the outer plate and the outer wall of the ventilation room are colored in the same series of colors. It has been done. Ventilation holes are provided in the extended outer plate of the inner wall panel used in the present invention. Since this ventilation hole is provided so as to lead to the ventilation room, rainwater will not enter, but to prevent rainwater, drizzle, powder snow, etc. from entering as a precaution, this ventilation hole also has a drain like a louver. Is preferably provided.

(Operation) In the present invention, a ventilation chamber surrounded by the outer plate is provided under the roof in a state of protruding from the extended outer plate in the outdoor direction, and ventilation from the attic space to the ventilation chamber is provided. Since the holes are provided in the outside plate and the air passage that leads to the outdoors from this ventilation room is provided, the air inside the building enters the attic space through a small gap between the ceiling and walls, and the ventilation that leads from this attic space to the ventilation room Enter the ventilation room through the hole,
The air is discharged from this ventilation chamber through the air passage.

In this way, since the air in the building is once released into the outside air through the ventilation chamber, even water or snow that has been agitated like drizzle or powder snow will not enter the building, The building will be highly waterproof. In addition, since the air in the building communicates with the outside air through the ventilation chamber, it has high heat insulation performance. Therefore, it is particularly suitable as a building in a cold region. Further, in the present invention, since the ventilation chamber is provided under the roof, it does not project upward from the roof. Therefore, unlike the conventional ventilation cylinder, there is no need for waterproofing work between the roof and the ventilation cylinder, and the shape is neat and beautiful.

According to the second aspect of the present invention, since the ventilation chamber is provided between the roof and the eaves ceiling, the appearance is almost the same as the conventional appearance without the ventilation chamber. Since and are colored in the same series, the outer panel of the ventilation room is inconspicuous and beautiful.

[0009]

Next, embodiments of the present invention will be described. 1 to 5 show an embodiment in which the building of the present invention is applied to a unit building. FIG. 1 is a vertical sectional view showing the vicinity of a ventilation room, and FIG. 2A is an explanatory view showing a building unit. )
Is an explanatory view showing an enlarged wall portion, (c) is an explanatory view showing a skeleton of a roof unit, (d) is an explanatory view showing a roof unit, FIG. 3 is a partially cutaway explanatory view showing an inner wall panel, and FIG. Is an explanatory view showing a state in which a building unit is installed, and FIG. 5 is a perspective view showing a unit building.

In FIGS. 1 to 5, A is a unit building, and this unit building A is an assembly of a building unit 1, a roof unit 2 and a veranda 9 as shown in FIG. As shown in FIG. 2A, the building unit 1 is a box-shaped assembly of walls 4 and floor panels 5. An attic space 55 is provided at the upper end of the building unit 1 on the top floor (the building unit 1 on the second floor when the top floor is the second floor, and the building unit 1 on the first floor when the top floor is the first floor). Then, the roof unit 2 is mounted on the attic space 55. The attic space 55 is formed by attaching an outer plate 61-1 obtained by extending an outer plate 61 of an inner wall panel, which will be described later, on the building unit 1.

As shown in FIG. 2B, the wall 4 includes an inner wall panel 6 and an outer wall 7 attached to the surface of the inner wall panel 6 with a gap 75 therebetween. As shown in FIG. 3, the inner wall panel 6 includes a frame 63, an outer plate 61 made of plywood attached to the outside of the frame 63, an inner plate 62 made of gypsum board attached to the inside of the frame 63, This outer plate 6
1 and an inner plate 62, and a heat insulating material 64 made of glass wool.

The roof unit 2 assembles wood into a truss 21 and, as shown in FIG. 2C, connects the truss 21 with upper and lower beams 22 and 22, and a purlin 23 between the upper and lower beams 22 and 22. The skeleton 24 is manufactured by mounting the above, and the base plate 25 is mounted on the main building 23 as shown in (d). Reference numeral 8 is a roof material made of a metal plate.

Reference numeral 3 denotes a ventilation chamber. In the ventilation chamber 3, a skeleton 31 consisting of an extension portion 311 of the roof, a vertical portion 312 and a horizontal portion 313 is provided with an outer plate 6 to which an inner wall panel 6 is extended.
1-1, the roof material 8 is mounted on the extension part 311 of the roof of the skeleton 31, and the vertical part 312 is attached.
The outer plate 32 made of a metal plate is attached to the outer side of the, and the eaves ceiling 33 is attached to the lower side of the horizontal portion 313. The outer plate 32 is attached to the vertical portion 312 by being locked by a locking piece 325 provided on the vertical portion 312. The outer surface of the outer plate 32 is colored beige.

The eaves ceiling 33 is composed of a heat insulating material 331 made of rock wool and a metal plate 332 attached to the lower surface of the heat insulating material 331.
It is attached to the locking plate 34 provided at 13 with rivets 35. An air passage 35 is provided between the heat insulating material 331 of the eaves ceiling 33 and the extended outer plate 6-1 of the inner wall panel. A ventilation hole 65 is provided in the extended outer plate 61-1 of the inner wall panel 6 facing the ventilation chamber 3, and a louver 66 is attached to the ventilation hole 65. Therefore, the outer plate 61 and the inner plate 62 of the inner wall panel 6 are
The space sandwiched between and communicates with the ventilation chamber 3 through the attic space 55 and the ventilation hole 65, and further, from this ventilation chamber 3 to the air passage 35.
Through the open air.

The outer wall 7 is made of wood chip cement board, and the outer surface of the outer wall 7 is colored beige. This outer wall 7
As shown in FIG. 1, is provided up to near the lower part of the ventilation chamber 3, and an opening 7 is provided between the upper end of the outer wall 7 and the ventilation chamber.
2 are formed. Therefore, the gap 75 between the inner wall panel 6 and the outer wall 7 communicates with the outside air through the opening 72. Above the opening 72, the eaves partition 79 is attached which is attached to the extended outer plate 61-1 of the inner wall panel 6 and which is bridged between the locking piece 74 and the locking piece 73 inserted into the gap 75. Has been. Therefore, this opening 72 is the eaves partition 7
9 makes it invisible and beautiful, and at the same time prevents rainwater and drizzle from entering the gap 75.
You.

Next, the construction method and operation of this unit building will be described. At the factory, the wood is assembled into the frame 63, the outer plate 61 is attached to the outside of the frame 63, and the frame 63
The heat insulating material 64 is put in a space surrounded by the outer plate 61, and the inner plate 62 is mounted on the heat insulating material 64 to manufacture the inner wall panel 6. On the other hand, wood is assembled into a frame such as joists or floor beams, and a floor material is attached to the upper surface of the frame to manufacture the floor panel 5. The inner wall panel 6 is erected at a predetermined position around the floor panel 5, and the outer wall material 3 is attached on the inner wall panel 6 with a gap 75 therebetween to manufacture the building unit 1.

An extended outer wall 61-1 is attached to the upper end of the building unit 1 on the uppermost floor to provide an attic space 55. A ventilation hole 65 is provided in the extended outer plate 61-1 and a louver 66 is attached to the ventilation hole 65. Next, the skeleton 31 including the extension portion 311 of the roof, the vertical portion 312, and the horizontal portion 313 is attached to the extended outer plate 61-1 of the inner wall panel 6, and the outer plate 32 is attached to the outer side of the vertical portion 312 to make it horizontal. The eaves ceiling 33 is attached to the portion 313. In this way, the attic space 55 becomes the ventilation hole 6
5 to the ventilation chamber 3, and to the outside air through the air passage 35 provided between the eaves ceiling 33 and the extended outer plate 61-1.

As shown in FIG. 1, the outer wall 7 is provided up to near the lower surface of the ventilation chamber 3, and an opening 72 is provided between the upper end of the outer wall 7 and the ventilation chamber. Then, in the opening 72, the extended outer plate 61- of the inner wall panel 6-
The eaves parting 74 is attached by bridging over the locking piece 72 attached to No. 1 and the locking piece 73 inserted in the gap 75.
In this way, the opening 72 serves as the outlet of the gap 75, and at the same time, the eave partition 74 prevents rainwater and drizzle from entering the air passage 75.

On the other hand, the timber 21 is assembled to the truss 21 as shown in FIG.
As shown in (c), the truss 21 is connected by a beam 22, and a purlin 23 is attached to the upper surface of the beam 22 to form a skeleton 24.
The roof unit 2 is manufactured by attaching the base plate 25 on the main building 23 as shown in (d).

The building unit 1 and the roof unit 2 thus manufactured in the factory are transported to the construction site. Next, as shown in FIG. 4, the building unit 1 on the first floor is installed on the foundation 95 provided in advance at the construction site.
The building unit 1 on the second floor is installed on the building unit 1 on the first floor, and the roof unit 2 is installed on the building unit 1 on the top floor. Next, install the balcony 9 on the building unit 1 on the first floor, install the roofing material 8 on the roof unit 2 and the extension 311 of the roof, install the entrance porch, and finish the interior and exterior. Go to complete unit building A.

Then, under the roof, in a state of protruding outward from the extended outer plate 61-1 of the inner wall panel 6,
The ventilation chamber 3 surrounded by the outer plate 32 is provided. Then, the air in the building passes through the small gap between the ceiling and the wall, and the attic space 55
From the attic space 55, it enters the ventilation chamber 3 through the ventilation hole 65, and is discharged to the outside air through the air passage 35. In this way, since the air in the building is once released into the outside air through the ventilation chamber 3, even water or snow that has been agitated like drizzle or powder snow does not enter the building, and the waterproof performance is improved. It will be a tall building. In addition, since the air of the building communicates with the outside air through the ventilation chamber 3, the heat insulation performance is high. Therefore, it is particularly suitable as a building in a cold region.

Further, since the ventilation chamber 3 is provided under the roof, it does not project from the roof 8. Therefore, unlike the conventional ventilation cylinder, water stop work between the roof and the ventilation cylinder is not required. Further, since the ventilation room 3 is provided between the roof and the eaves ceiling 33, the appearance is almost the same as the conventional appearance without the ventilation room 3, and the outer plate 32 and the outer wall 7 of the ventilation room 3 are the same. Because it is colored beige, the outer plate 32 of the ventilation chamber 3
Has a neat shape and is beautiful. Further, since the outer wall 7 is provided up to the lower vicinity of the ventilation chamber 3 and the gap 75 between the ventilation chamber 3 and the outer wall 7 is open, the gap 75
The air that has passed through is discharged to the outside air through the opening.

[0023]

According to the present invention, the ventilation chamber surrounded by the outer plate is provided under the roof so as to project outward from the extended outer plate, and the ventilation hole communicating from the attic space to the ventilation chamber is provided. Is provided on the outer plate, and the air passage leading from this ventilation room to the outside is provided,
It passes through the ventilation room and is released to the atmosphere. Therefore, even if water or snow that is winded like drizzle or powder snow does not enter the building, the building has high waterproof performance. In addition, since the air in the building communicates with the outside air through the ventilation chamber, it has high heat insulation performance. Therefore, it is particularly suitable as a building in a cold region. Further, in the present invention, since the ventilation chamber is provided under the roof, it is not provided so as to project upward from the roof. Therefore, unlike the conventional ventilation cylinder, it requires no waterproofing work between the roof and the ventilation cylinder, and has a neat shape and is beautiful.

According to the second aspect of the invention, since the ventilation chamber is provided between the roof and the eaves ceiling, the appearance is almost the same as the conventional appearance without the ventilation chamber. Since and are colored in the same series, the outer panel of the ventilation room is inconspicuous and beautiful.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing the vicinity of a ventilation chamber, showing an embodiment in which the building of the present invention is applied to a unit building.

2A is an explanatory view showing a building unit, FIG. 2B is an explanatory view showing an enlarged wall portion, FIG. 2C is an explanatory view showing a skeleton of a roof unit, and FIG. 2D is a roof unit. FIG.

FIG. 3 is a partially cutaway explanatory view showing an inner wall panel.

FIG. 4 is an explanatory diagram showing a state in which a building unit is installed.

FIG. 5 is a perspective view showing a unit building.

[Explanation of symbols]

 A unit building 1 building unit 2 roof unit 3 ventilation room 33 eaves ceiling 35 air passage 4 wall 6 inner wall panel 61 outer plate 61-1 extended outer plate 62 inner plate 63 frame 64 heat insulating material 65 ventilation hole 66 louver 7 outer wall 72 Opening 75 gap

Claims (2)

[Claims] 1. An outside plate of a wall panel is extended to an upper end portion of an attic space, and a ventilation chamber surrounded by the outside plate is provided under the roof in a state of protruding outward from the extended outside plate. A building characterized in that a ventilation hole leading from the attic space to the ventilation room is provided in the outer plate, and an air passage leading from the ventilation room to the outside is provided. 2. The ventilation room is provided between the roof and the eaves ceiling, and the outer plate and the outer wall of the ventilation room are colored in the same series of colors. building.