JP2001123554A - Vent structure of building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the vent structure of a building having an auxiliary house having a structure in which ventilation in not necessary on the edge of an eaves and the water side of the roof of the auxiliary house. SOLUTION: The vent structure of the building is formed of a main house 2 providing an upper story building unit (upper story) 5 on a lower story building unit (lower story) 4, an auxiliary house vent passage 12d, a roof vent passage 19 and an upper story vent passage 36 providing the adjacent auxiliary house 3 and communicating mutually with the outer wall member (outer wall) 12a and the roof panel (roof) 14 of the auxiliary house 3 and an upper story outer wall member (outer wall) 30a respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation structure for a building having at least a two-story bookstore and a shed adjacent to the bookstore.

[0002]

2. Description of the Related Art Conventionally, as disclosed in, for example, Japanese Patent Publication No. 4-72936, an upper-floor building unit is installed on a lower-floor building unit, and an inner wall and an outer wall of a wall panel of the lower-floor building unit are arranged. 2. Description of the Related Art There is known a unit building in which an air flow passage communicating with each other and between an inner wall and an outer wall of a wall panel of an upper-floor building unit is formed.

[0003]

However, since the unit building disclosed in this publication does not have a hut adjacent to the lower-floor building unit, the hut has the air circulation structure of the above publication. It could not be applied directly to the building.

[0004] That is, in a building provided with a lower house, the wall panel of the lower house and the wall panel of the upper floor (the second floor) are separated by the roof of the lower house and are not continuous. The structure of the air flow passage extending between them cannot be applied as it is.

Further, in a building provided with a shelter, if the wall panel of the shelter and the wall panel of the upper floor (the second floor) have an independent ventilation structure with the roof of the shelter, the eaves of the shelter (lower outdoor wall panel) It is necessary to take in the outside air on the water side of the roof of the shelter. However, particularly at the joint (upstream of the water) where the outer wall panel on the upper floor and the roof of the lower house are hit strongly by rain and wind, ventilation at this portion is difficult, which is disadvantageous in terms of waterproofing.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a ventilation structure for a building having an underbuilding which does not need to be ventilated above the eaves or the roof of the underbuilding.

[0007]

In order to achieve this object, a ventilating structure for a building according to the first aspect of the present invention comprises a bookstore having an upper floor above a lower floor, and a lower house adjacent to the lower floor. And a ventilation path communicating with the atmosphere and communicating with the atmosphere is formed in the outer wall of the lower house, the roof of the lower house, and the outer wall of the upper floor. According to this configuration, it is not necessary to perform ventilation on the water side of the eaves or the roof of the underpass.

According to a second aspect of the present invention, an eaves drain is provided between the outer wall of the shed and the roof of the shed, and the ventilation for communicating the shed ventilation passage with the roof ventilation passage. The mouth is formed in the eaves drainer. According to this configuration, the underpass ventilation passage and the roof ventilation passage communicate with each other via the ventilation opening formed at the eaves drain.

Further, according to a third aspect of the present invention, a water drainage is provided between the roof of the undercarriage and the outer wall of the upper floor, and a vent for communicating the roof ventilation path with the upper floor ventilation path. Are formed in the water drainer.
According to this configuration, the roof ventilation path and the upper floor ventilation path communicate with each other via the ventilation hole formed in the water drainage.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

A building 1 shown in FIG. The bookstore 2 has an upper-floor building unit (upper floor) 5 installed on a lower-floor building unit (lower floor) 4. And
The lower house 3 is provided adjacent to the lower-floor building unit 4 (see FIG. 2). 4a is a room (lower room) of the lower-floor building unit 4, 5a is a room (upper room) of the upper-floor building unit 5, 3a
Is a living room of a lower house 3 (lower room).

In FIG. 3, reference numeral 6 denotes a shelter room 3a and a living room 4a.
7 is the corner stud of shed 3, 8
Is an opening stud provided at intervals in the longitudinal direction of the shed 3, 8 a is a frame on the wife side provided at the upper end of the opening stud 8, 9 is bridged between the sleeve frame 6 and the corner stud 7. Girder beam. Also, in FIG.
Is the upper beam of the living room 4a, 11 is the upper floor beam mounted on the upper beam 10, 12 is the wall panel located outside the opening stud 8, 13 is the ceiling panel of the lower house 3, 14 is the ceiling panel 13 is a roof panel (roof) mounted on top.

The wall panel 12 has an outer wall member (outer wall) 12a and an inner wall member 12b, and a mounting frame 12c is mounted on an inner surface of a peripheral portion of the outer wall member 12a, and a plastic cardboard ventilation panel 12d is mounted on the mounting frame 12c. Are fixed. A large number of underpass ventilation passages 12e extending vertically are formed in the ventilation panel 12d. A moisture-permeable windproof sheet 12f is attached to the inner wall member 12b side (indoor side) of the ventilation panel 12e.

The ceiling panel 13 has a ceiling frame 13a, a ceiling panel body 13b attached to the ceiling frame 13a, and a heat insulating material 13c provided on the ceiling panel body 13b. The heat insulating material 13c is formed by foaming a phenolic resin in the ceiling frame 13a to form the ceiling panel body 13
b and are integrally fixed in layers.

The roof panel 14 includes a roof insulation material 15 disposed on the ceiling panel 13, a ventilation panel 16 disposed on the roof insulation material 15, and a roof base plate disposed on the ventilation panel 16. 17 and a roof panel 18 disposed on a roof base plate 17.

The heat insulating material 15 is integrally fixed to the ventilation panel 16 in a layer by foaming and molding a phenol resin. The ventilation panel 16 has a roof ventilation passage 19 formed therein, and a number of ventilation holes 16a opening to the roof ventilation passage 19 as shown in FIGS.

The roof surface material 18 is a steel plate coated with a vinyl chloride resin. As shown in FIGS. 5, 7 and 18, the roof surface material 18a and the lower end of the surface material body 18a face downward. The lower vertical panel 18b has a lower vertical panel 18b and a lower drain panel attachment 18c provided on the inner side of the lower vertical panel 18b. The drain drain mounting portion 18c is extended in a left and right rectangular parallelepiped shape by bending a plate portion connected to the lower vertical panel portion 18b. In addition, the roof surface material 18 includes an upper vertical panel portion (water drainage) 18d and an upper vertical panel portion 18d extending upward at the upper end of the surface material main body 18a.
1st horizontal plate part (water drainer) horizontally connected to the upper edge
18e and a second horizontal plate portion 18f which is connected to the first horizontal plate portion so as to have a level difference with the first horizontal plate portion 18e. Moreover, a reinforcing plate 18g is fixed to the inner surface of the upper vertical panel portion 17d.

A mounting hole 20 is formed in the drain drain mounting portion 18c, and ventilation notches 21 are formed in both left and right ends and a center of the second horizontal plate portion 18f as shown in FIGS. . The second horizontal plate portion 18f has a distal end portion interposed between the gable ceiling beam 10 and the upper girder beam 11, and is fixed to the girder ceiling beam 10 and the upper girder beam 11 by bolts (not shown). I have. Moreover, the upper vertical panel part 18d and the beam 1
0, a ventilation passage 22 communicating with the roof ventilation passage 19 is formed, and the ventilation passage 22 of the ventilation notch 21 is formed in the ventilation passage 22.
1a is a base side of the second horizontal plate portion 18f (the first horizontal plate portion 18f).
e side).

Between the lower end of the roof panel 14 and the upper edge of the wall panel 12, as shown in FIGS.
It's raining. The eaves drainer 23 has a plate portion 24 having an L-shaped side surface as shown in FIG. 12 and a vertical portion integrally provided upward on an intermediate portion of the plate portion 24 as shown in FIG. It has a plate portion 25.

The plate portion 24 has a horizontal plate portion 24a and a vertical plate portion 24b extending downward.
A vent 24c is formed at the end opposite to 4b. For convenience of explanation, FIG. 14 shows one vent hole 24c. Actually, as shown in FIG. 15, the ventilation holes 24c are formed adjacent to each other by a predetermined number to secure a ventilation amount. The vertical plate portion 25, as shown in FIGS.
It has a plate portion 25a extending left and right, and side plate portions 25b, 25b provided on both sides of the plate portion 25a. This side plate 25
A fitting recess 25c is formed between the first and second side plates 2b and 25b.
A mounting slot 25d is formed in 5b.

The eaves drainer 23 has a drainer plate 26 integrally provided on the surface of the plate portion 25a on the side of the fitting recess 25c. The draining plate 26 has an inclined plate portion 26a inclined obliquely downward from the vertical center of the plate portion 25a, and a vertical plate portion 26b extending downward from the tip of the inclined plate portion 26a.

Such an eaves drainer 23 has a horizontal plate portion 24a.
Is disposed on the upper edge of the outer wall member 12a via a sealing material 27. A rectangular parallelepiped drainage mounting portion 18c is fitted into the fitting recess 25c of the eaves drainer 23.
The eaves drainer 23 is attached to the drain drain attachment part 18c by screwing a bolt 28 inserted into the attachment slot 25d into the attachment hole 20. In this state, the underpass ventilation passage 12e and the roof ventilation passage 19 communicate with each other via the ventilation port 24c.

An upper floor wall panel 30 is attached to the upper floor girder 11. The wall panel 30 has an outer wall member (outer wall) 30a and an inner wall member 30b. A sheet attachment frame 31 is attached to the inner surface of the outer wall member 30a, and a ventilation panel 32 is attached to the sheet attachment frame 31. The upper edge of the sheet drainer 33 is fixed to the sheet mounting frame 31, and the lower end of the sheet drainer 33 is fixed to the outer surface of the upper vertical panel portion 18d and the upper surface of the first horizontal plate portion 18e. The gap between the outer wall member 30a and the roof panel 14 is covered with a cover drainer. The cover drainer 34 includes an upper vertical panel portion 18d and a reinforcing plate 18g.
Is attached to the ceiling beam 10 with bolts 35 that penetrate through. As described above, the gap between the outer wall member 30a and the roof panel 14 is formed by the vertical panel portion 18d and the first horizontal plate portion 18d.
e, rain is performed by the sheet drainer 32 and the cover drainer 34. In the ventilation panel 32, a number of upper floor ventilation paths 36 extending vertically are formed.
6 is a breathable windproof sheet 37 on the side of the upper-floor beam 11 (indoor side).
Is attached.

Next, the operation of the ventilation structure having such a configuration will be described.

As described above, the space between the lower end of the roof panel 14 and the upper end of the wall panel 12 is rained by the eaves drain 23, and the underpass ventilation passage 12e and the roof ventilation passage 19 are vented by the vent 24c of the eaves drain 23. However, the underpass ventilation passage 12e and the roof ventilation passage 19 are cut off from the atmosphere at the eaves front by the eaves drain 23.

The gap between the upper end of the roof panel 14 and the outer wall member 30a on the upper floor is formed by the vertical panel 18d and the first panel 18d.
Horizontal plate portion 18e, sheet drainer 32 and cover drainer 3
4 is raining. Moreover, the roof ventilation channel 1
9. The ventilation channel 22 and the upper floor ventilation channel 36 are
Panel part 18d, the first horizontal plate part 18e, the sheet drainer 3
2 and the cover drainer 34 are isolated from the atmosphere.

Accordingly, the underpass ventilation passage 12e and the roof ventilation passage 1
The 9, the ventilation path 22, and the upper floor ventilation path 36 communicate with each other, but do not communicate with the atmosphere at the communicating part. As a result, even if the space between the lower end of the roof panel 14 and the upper end of the wall panel 12 and the space between the upper end of the roof panel 14 and the outer wall member 30a on the upper floor are exposed to the rain, the rain is allowed to flow through the shed ventilation path. 12 e, the roof ventilation path 19, the ventilation path 22, and the upper floor ventilation path 36 do not enter from the communicating portion. By using a continuous ventilation structure from the lower house 3 to the upper floor (the second floor), it is not necessary to take in outside air on the way.
This is advantageous for waterproofing. In addition, the roof of the undercarriage 3 can be ventilated, and the exhaust heat and the humidity of the undercarriage 3 can be improved.

[0028]

As described above, the ventilation structure for a building according to the first aspect of the present invention includes a bookstore having an upper floor above a lower floor and a lower house adjacent to the lower floor. In addition, ventilation passages communicating with each other and communicating with the atmosphere are formed in the outer wall of the lower house, the roof of the lower house, and the outer wall of the upper floor. There is no need to ventilate the side. In other words, by providing a continuous ventilation structure from the lower house to the upper floor (the second floor), it is not necessary to take in outside air on the way, which is advantageous in terms of waterproofing. In addition, the roof of the undercarriage can be ventilated, and the exhaust heat and moisture of the undercarriage can be improved.

According to a second aspect of the present invention, an eaves drain is provided between the outer wall of the shed and the roof of the shed, and the ventilation for connecting the shed ventilation passage and the roof ventilation passage is provided. Because the mouth was formed in the eaves drain,
The underpass ventilation passage and the roof ventilation passage can be easily communicated with each other through the ventilation opening formed at the eaves drain and without taking in outside air.

Further, the invention according to claim 3 is characterized in that a water drainage is provided between the roof of the undercarriage and the outer wall of the upper floor, and a vent for communicating the roof ventilation path with the upper floor ventilation path. Is formed in the water drainage, so that the roof ventilation path and the upper floor ventilation path can be easily communicated with each other through the ventilation hole formed in the water drainage without taking in outside air.

[Brief description of the drawings]

FIG. 1 is a schematic explanatory view of a building for explaining a ventilation structure of the building according to the present invention.

FIG. 2 is a partial plan view of the building shown in FIG.

FIG. 3 is a schematic sectional view taken along line AA of FIG. 2;

FIG. 4 is an enlarged detailed sectional view of a roof portion of FIG. 3;

5A is a partial cross-sectional view showing a part of FIG. 4 in a further enlarged manner, FIG. 5B is a cross-sectional view taken along line aa of FIG.
(C) is an enlarged sectional view of the ventilation panel of (A), and (D) is a sectional view taken along line bb of (A).

FIG. 6 is a plan view of the ventilation panel of FIG. 5;

FIG. 7 is a side view of the roof panel of FIG. 5;

FIG. 8 is a partial perspective view of FIG. 7 viewed from the X direction.

FIG. 9 is a plan view of the roof panel of FIG. 7;

FIG. 10 is a right side view of the roof panel shown in FIG. 7;

FIG. 11 is an enlarged perspective view of a portion indicated by an arrow B in FIG. 10;

FIG. 12 is a side view of the eaves drainer of FIG. 5;

FIG. 13 is a right side view of the eaves drainer of FIG. 12;

FIG. 14 is a plan view of the eaves drainer of FIG. 12;

FIG. 15 is an explanatory diagram showing an example of a vent in FIG. 14;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Building 2 ... Bookstore 3 ... Lower house 4 ... Lower floor building unit (lower floor) 5 ... Upper floor building unit (upper floor) 12 ... Wall panel 12a ... Outer wall member (outer wall) 12d: Underpass ventilation passage 14: Roof panel (roof) 18: Roof surface material 18d: Vertical panel portion (water drainage) 18e: First horizontal plate portion ( 21: Notch for ventilation 21a: Vent 19: Roof airway 23: Drain of eaves 24c: Vent 30: Wall panel 30a: Outer wall member (outer wall) 36 ... Upper floor ventilation path

Claims (3)

[Claims] 1. A bookstore in which an upper floor is provided above a lower floor, and a lower house adjacent to the lower floor are provided, and the outer wall of the lower house, the roof of the lower house, and the upper floor are provided. A ventilation structure for a building, characterized in that a lower-shed ventilation passage, a roof ventilation passage, and an upper-floor ventilation passage are formed in the outer wall to communicate with each other. 2. An eaves drain is provided between the outer wall of the shed and the roof of the shed, and a vent for communicating the air passage of the shed and the roof air passage is formed in the drain of the eaves. The ventilation structure for a building according to claim 1, wherein the ventilation structure is provided. 3. A water drainage is provided between a roof of the lower house and an outer wall of an upper floor, and a vent for communicating the roof ventilation path and the upper floor ventilation path is formed in the water drainage. The ventilation structure for a building according to claim 1 or 2, wherein: