JP2004068275A - Internal wall venting structure - Google Patents

Internal wall venting structure Download PDF

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Publication number
JP2004068275A
JP2004068275A JP2002224999A JP2002224999A JP2004068275A JP 2004068275 A JP2004068275 A JP 2004068275A JP 2002224999 A JP2002224999 A JP 2002224999A JP 2002224999 A JP2002224999 A JP 2002224999A JP 2004068275 A JP2004068275 A JP 2004068275A
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Japan
Prior art keywords
room
outside air
heat insulating
insulating material
floor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2002224999A
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Japanese (ja)
Inventor
Takayuki Mitsuyanagi
三柳 享之
Original Assignee
Hachioji Kensetsu:Kk
有限会社八王子建設
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Priority to JP2002224999A priority Critical patent/JP2004068275A/en
Publication of JP2004068275A publication Critical patent/JP2004068275A/en
Application status is Pending legal-status Critical

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Abstract

An object of the present invention is to provide a well-ventilated air that allows fresh air to pass therethrough to discharge moisture in a room, prevent the temperature of the room from affecting the temperature of the outside air, and cause dew condensation on the inner and outer surfaces of the walls of the room. And an inner wall ventilation structure that can be easily constructed while maintaining the strength of the building.
An outside heat insulating material is provided on an outer wall of a building, and outside air taken in from an outside air inlet is ventilated inside the outer heat insulating material and discharged from an exhaust port. The inside air passage 12 is provided facing the outer wall surface of the room 30 in the building 1 and through which the outside air taken in from the outside air intake 43 can pass. And a room heat insulating material having a heat insulating property and a moisture permeability, that is, a back wall heat insulating material 31, a floor heat insulating material 32, and a ceiling heat insulating material 33.
[Selection diagram] Fig. 1

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an inner wall ventilation structure.
[0002]
[Prior art]
As a conventional ventilation structure of a building, there is a technique described in, for example, JP-A-2002-167876. FIG. 15 is a sectional view of a building to which a conventional ventilation structure is applied. As shown in the figure, the ventilation structure of the following (a) and (b) is applied to this building.
(A) The outer wall of the building is covered with the outer heat insulating material 11. The outer heat insulating material 11 can prevent the temperature of the room 30 in the building from being directly affected by the temperature change of the outside air.
(B) Inside the outer heat insulating material 11, between the outer heat insulating material 11 and the outer wall 30 of each room, and between the outer walls of the adjacent rooms 30, 30, an inner air passage 12 is provided. . Since the inside air passage 12 allows the outside air to pass through even inside the outside heat insulating material 11, the air permeability is improved and the moisture is easily discharged.
An outer decorative board 101 is provided outside the outer heat insulating material 11, and an outer wall ventilation path 102 is formed between the outer decorative board 101 and the outer heat insulating material 11.
[0003]
[Problems to be solved by the invention]
However, the conventional ventilation structure has the following problems.
(I) In the winter where the temperature of the outside air is lower than the temperature inside the room 30, when the outside air passes through the inner ventilation path 12, the inner wall of the room 30 is cooled by the temperature of the outside air, and dew is formed on the inner surface of the wall of the room 30. Occurs. In the summer when the temperature of the outside air is higher than the temperature inside the room 30, when the outside air passes through the inside ventilation path 12, the outside air is cooled on the outer wall surface of the room 30 and dew condensation occurs. For this reason, mold is likely to be formed on a structure such as a wall, and the durability is reduced.
(Ii) Since the inside ventilation passage is provided inside the building, construction is difficult and it takes much time.
[0004]
In view of such circumstances, the present invention has a good air permeability and allows fresh air to pass therethrough to exhaust moisture in the room, and furthermore, it is possible to prevent the temperature of the inside of the room from affecting the temperature of the outside air. It is an object of the present invention to provide an inner wall ventilation structure that can prevent dew condensation on an outer surface and can be easily constructed while maintaining the strength of a building.
[0005]
[Means for Solving the Problems]
The inner wall ventilation structure according to claim 1 is characterized in that ventilation paths through which outside air can pass are provided along the floor, ceiling, and the four front, rear, left and right side walls constituting the room of the building.
According to a second aspect of the present invention, in the first aspect of the invention, the outer surfaces of the floor, the ceiling, and the four front, rear, left, and right side walls of the room are each surrounded by a heat insulating material, and the ventilation path is provided outside the heat insulating material. It is characterized by being provided.
The inner wall ventilation structure according to claim 3 is a ventilation structure in which an outer heat insulating material is provided on an outer wall of a building, and outside air taken in from an outside air intake vents through the inside of the outer heat insulating material and is discharged from an exhaust port. The outer surface of the wall constituting the lower floor room, the inner air passage for the lower floor which is provided so as to surround the room and through which the outside air can pass, and the outer surface of the wall constituting the upper floor room Communication means for surrounding the periphery of the room and communicating between the upper air passage for the upper floor through which the outside air can pass, and the inner air passage for the lower floor and the inner air passage for the upper floor. And a room heat insulating material provided on the outer surface of the wall of each room so as to surround the periphery of the room.
The inner wall ventilation structure according to a fourth aspect is the invention according to the third aspect, wherein the communication means is formed at an appropriate position on the base, and communicates between the outside air intake and the inner ventilation path for the lower floor. It is characterized by comprising a ventilation groove and a ventilation groove formed at an appropriate place of the girder and communicating between the inner ventilation path for the lower floor and the inner ventilation path for the upper floor.
According to a fifth aspect of the present invention, in the invention according to the third aspect, the communication means is provided such that a joist adjacent to the base is provided separately from the base, and is formed between the base and the joist. And a gap formed between the girder and the joist, the joist being adjacent to the girder being provided apart from the girder.
[0006]
According to the first aspect of the present invention, the ventilation path is provided so as to surround the room, so that the outside air can pass through each of the ventilation paths, so that the outside air can pass through the entire periphery of the room. For this reason, the air permeability is good, and fresh air can pass through and the moisture in the room can be discharged with the passage of outside air.
According to the second aspect of the present invention, since the heat insulating material is provided around the periphery of the room, it is possible to prevent the temperature of the outside air from affecting the temperature inside the room even when the outside air passes through the ventilation path. Thus, it is possible to prevent the occurrence of dew condensation on the inner wall surface or the outer wall surface of the room.
According to the third aspect of the present invention, the communication between the inside air passage for the lower floor and the inside air passage for the upper floor is established by the communication means, so that the outside air entering from the outside air intake can be discharged to the lower floor. Through the inner ventilation path for the upper floor. Since the inner ventilation path for the lower floor and the inner ventilation path for the upper floor are provided so as to surround each room, outside air can be passed around all the rooms. For this reason, it is possible to allow fresh air with good air permeability to pass therethrough and to exhaust moisture in the room with the passage of outside air. Furthermore, since the room heat insulating material is provided on the outer surface of the wall of the room, even if the outside air passes through the inside ventilation path, it is possible to prevent the temperature of the outside air from affecting the temperature inside the room. It is possible to prevent dew condensation from occurring on the inner and outer surfaces of the wall.
According to the invention of claim 4, the outside air taken in from the outside air intake can be passed through the inside air passage for the lower floor by the ventilation groove of the base, and the inside air passage for the lower floor is made by the ventilation groove of the girder. Since outside air can be passed between the road and the upper floor inner ventilation path, the air permeability of the outside air can be improved, and fresh air can be passed. In addition, since only the ventilation groove is formed in the base and the girder, the construction can be easily performed while maintaining the strength of the base and the girder.
According to the invention of claim 5, the gap between the base and the joist hook allows the outside air taken in from the outside air intake to pass through the lower floor inner ventilation path, and the gap between the girder and the joist hook. The outside air can be allowed to pass between the inside air passage for the lower floor and the inside air passage for the upper floor by the gap, so that the air permeability of the outside air can be improved and fresh air can be passed. Can be.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a front sectional view of a building 1 to which the inner wall ventilation structure of the present embodiment is applied. FIG. 2 is an enlarged view of the lower part of the building 1. FIG. 3 is an enlarged view of the upper part of the building 1. 1 to 3, reference numeral 1 denotes a building to which the inner wall ventilation structure of the present embodiment is applied. Inside the building 1, a plurality of rooms 30 are provided on the first floor and the second floor, respectively. The inner wall of each room 30 is surrounded by a ceiling plate 54, a floor plate 48, and side plates 28.
The inside ventilation structure of the present embodiment can be applied to not only the two-story building 1 but also a one-story building or a three-story or more building. Further, the present invention can be applied to a building including only one room.
[0008]
5A is an enlarged view of a portion V in FIG. 2, and FIG. 5B is an enlarged view taken along line BB of FIG.
2 and 5, reference numeral 41 denotes a foundation concrete. A plurality of foundation packings 42 are provided on the upper surface of the foundation concrete 41. Adjacent basic packings 42 are provided apart from each other, and the gap serves as an outside air intake 43.
The outside air inlet 43 allows outside air to be taken under the floor of the room 30 on the first floor. The outside air passes through an inner air passage 12 to be described later and is exhausted from an exhaust port 58, which will be described later in detail.
[0009]
A base 44 is horizontally installed on the upper surface of the base packing 42.
Reference numerals 45, 46, 47, 48 and 49 indicate a joist hanging, a joist, a pulling, a floor board, and a bundle, respectively.
[0010]
FIG. 4 is a sectional view taken along line VI-VI of FIG. As shown in the figure, the pillars 21 and the studs 22 are vertically mounted on the upper surface of the base 44 at appropriate intervals.
[0011]
7A is an enlarged view of a VI portion in FIG. 2, and FIG. 7B is a view taken along a line BB in FIG. FIG. 8 is a single view of the spar 51, in which (A) is a perspective view and (B) is a sectional view.
As shown in FIGS. 2, 7, and 8, a first-floor girder 51 is disposed on the upper end surfaces of the columns 21 and the studs 22.
Numerals 52, 53, 54, 55, 56, and 57 indicate a bedding support, a bedding, a ceiling board, a beam, a joist, and a floor board, respectively.
[0012]
On the upper surface of the first-floor girder 51, the second-floor pillars 21 and the studs 22 are vertically mounted at appropriate intervals, and the second-floor girder 51 is provided on the upper surface thereof. An exhaust port 58 is provided on the wall behind the ceiling.
Reference numerals 61, 62, 63, and 64 indicate a bundle, a purlin, a rafter, and a purlin, respectively. It is preferable to provide a heat insulating material 65 between the adjacent rafters 63, 63.
[0013]
Now, the outer heat insulating material 11 will be described.
As shown in FIG. 4, a structural plywood 23 is attached to the outer end surfaces of the columns 21 and the studs 22. On the inner side surface of the structural plywood 23, an outer heat insulating material 11 having heat insulation and moisture permeability is attached between the columns 21 and the studs 22. The outer heat insulating material 11 can prevent all the rooms 30 inside the building 1 from being directly affected by the temperature of the outside air.
The outer heat insulating material 11 is a foamed plastic heat insulating material such as hard urethane foam, polyurethane foam, phenol foam or polystyrene foam, an inorganic fiber heat insulating material such as glass wool or rock wool, or a wood fiber material such as insulation board. Various thermal insulators, such as thermal insulators, may be used. In particular, a foamed plastic heat insulating material is preferable since it has good air permeability and is easy to construct.
Reference numerals 24 and 25 indicate a trunk edge and a rainwater prevention panel, respectively. The gap between the structural plywood 23 and the rainwater prevention panel 25 forms an external ventilation layer 24a, which is preferable because of good air permeability.
[0014]
Next, the inside ventilation path 12 on the first floor and the inside ventilation path 13 on the second floor will be described.
On the outer surface of each of the floor, ceiling and four front, rear, left and right side walls constituting the room 30 on the first floor, an inner ventilation path 12 on the first floor is provided so as to surround the periphery of the room 30. That is, the first floor inner ventilation path 12 is provided in the following places (a) to (d) in the room 30 on the first floor.
(A) Between the side wall of the room 30 and the outer heat insulating material 11 (b) Between the side walls of the adjacent rooms 30 and 30 (c) Behind the floor of the room 30 (d) Behind the ceiling of the room 30
Similarly, on the outer surface of the floor, the ceiling, and the four front, rear, left, and right side walls constituting the room 30 on the second floor, the periphery of the room 30 is surrounded, and similarly to the inside ventilation passage 12 on the first floor, An inner ventilation path 13 is provided. That is, the inner ventilation path 13 on the second floor is provided in the above-mentioned places (a) to (d) in the room 30 on the second floor.
[0016]
Next, the structure of the outer wall surface of each room 30 will be described.
As shown in FIG. 4, body edges 26, 26 are vertically attached to both left and right end surfaces of the column 21. Between the pillar 21 and the stud 22, a side wall back heat insulating material 31 is attached so as to be hooked on the body edge 26.
A loose plate 27 is attached to the inside of the side wall back insulation 31, and a side plate 28, for example, a gypsum board, which constitutes a side inner wall of the room 30 is attached to the inside of the loose plate 27. This side plate 28 forms the inner surface of the side wall in the room 30.
That is, the side wall back heat insulating material 31 is provided on the outer surface of the four front, rear, left and right side walls in the room 30. The space between the side wall back heat insulating material 31 and the outer heat insulating material 11 is the inner ventilation passages 12 and 13 on the first and second floors.
[0017]
FIG. 10 is a view taken along line XX of FIG. As shown in FIG. 10, in the floor of the room 30, the part surrounded by the joist rack 45, the pulling bar 47, and the pair of adjacent joists 46, 46 has a heat insulating and moisture permeable floor back insulation. A material 32 is attached.
[0018]
FIG. 11 is a view taken along line XI-XI in FIG. As shown in the figure, a portion surrounded by a pair of adjacent ridges 52 and 52 and a pair of adjacent ridges 53 and 53 on the back of the ceiling of the room 30 has heat insulation and moisture permeability. A certain ceiling insulation material 33 is attached.
[0019]
The side wall back insulation 31, floor back insulation 32, and ceiling back insulation 33 correspond to the room heat insulation described in the claims, and foamed plastics such as rigid urethane foam, polyurethane foam, phenol foam, and polystyrene foam. Various heat insulating materials such as a heat insulating material, an inorganic fiber heat insulating material such as glass wool and rock wool, and a wood fiber heat insulating material such as an insulation board can be used. In particular, a foamed plastic heat-insulating material is preferable because it has good heat-insulating properties and is easy to construct.
[0020]
As described above, on the outer surface of the wall of the room 30, the room heat insulating material, that is, the side wall heat insulating material 31, the floor heat insulating material 32, and the ceiling heat insulating material 33 are provided around the room 30. It is possible to prevent the temperature inside the room 30 from being affected by the temperature outside the room 30.
[0021]
Next, a description will be given of a communication unit that allows communication between the inside ventilation path 12 on the first floor and the inside ventilation path 13 on the second floor.
FIG. 6 is a single view of the base 44, (A) is a perspective view, and (B) is a sectional view. As shown in FIGS. 5 and 6, the base 44 has a ventilation groove 44h. The ventilation groove 44h is a groove cut out from the inner surface to the upper surface of the base 44. The ventilation groove 44h allows communication between the inner surface of the base 44 and the upper surface.
Therefore, the outside air that has entered under the floor of the room 30 on the first floor from the outside air intake 43 can be passed through the inside ventilation path 12 on the first floor by the ventilation groove 44 h of the base 44.
[0022]
A back wall heat insulating material 31 is provided on an outer wall of the room 30, and a gap between the adjacent rooms 30, 30 constitutes inner ventilation paths 12 and 13 on the first and second floors. The base 44B shown in FIG. 9 may be used as a base located above and below the inner ventilation path 12B.
The base 44B has a ventilation groove 44h formed by cutting out the left and right side plates and the upper surface. According to the base 44B, the left and right side surfaces and the upper surface of the base 44B can communicate with each other to allow ventilation.
Therefore, ventilation can be performed between the floor under the room 30 and the inside ventilation path 12 on the first floor, and further, ventilation can be performed between the rooms 30 and 30 under the floor.
[0023]
FIG. 8 is a single view of the girder, where (A) is a perspective view and (B) is a cross-sectional view. As shown in FIGS. 7 and 8, the spar 51 is provided with a ventilation groove 51h. The ventilation groove 51h is a groove in which the inner surface, the upper surface, and the lower surface of the spar 51 are cut out. The ventilation groove 51h allows communication between the inside, the upper part, and the lower part of the 50. For this reason, the outside air that has passed through the inside ventilation path 12 on the first floor passes through the ventilation groove 51h of the girder 51 and passes through the inside ventilation path 13 on the second floor.
[0024]
9 is preferably used for the girder provided between the outer walls of the adjacent rooms 30, 30. The girder 51B is formed with a ventilation groove 44h having both left and right sides, an upper surface, and a lower surface cut out. According to the girder 51B, the left and right sides of the girder 51B, the upper part and the lower part can communicate with each other, and the ventilation can be provided.
[0025]
Therefore, the outside air taken in from the outside air inlet 43 is taken under the floor of the room 30 on the first floor, and passes through the inside air passage 12 on the first floor and the inside air passage 13 on the second floor provided on the outer surface of the wall of each room 30. Then, the outside air can be finally exhausted from the exhaust port 58.
By providing the fan 71 behind the ceiling, the outside air can be forcibly taken in and exhausted from the exhaust port 58 together with the humidity of each room 30.
[0026]
According to the inner wall ventilation structure of the present embodiment having the above configuration, the following effects (1) to (4) are obtained. (1) The outer heat insulating material 11 is provided on the outer wall of the building 1, and The taken-in outside air vents inside the outer heat insulating material 11 and is discharged from the exhaust port 58. Therefore, the outer heat insulating material 11 can prevent the temperature change of the outside air from being directly affected by the temperature of the room 30 in the building 1.
[0027]
(2) Since the inside air passages 12 and 13 are provided so as to surround the periphery of the room 30, the outside air can pass through the inside air passages 12 and 13 to allow the outside air to pass all around the room 30. it can. For this reason, the air permeability is good, and fresh air can pass through and the moisture in the room 30 can be discharged with the passage of outside air.
[0028]
(3) Since the side wall back insulation 31, the floor back insulation 32, and the ceiling back insulation 33 are provided around the periphery of the room 30, even if outside air passes through the inner ventilation passages 12 and 13, It is possible to prevent the temperature from affecting the temperature inside the room 30, and it is possible to prevent dew condensation from occurring on the inner wall surface or the outer wall surface of the room 30.
[0029]
(4) Since the inside ventilation path 12 on the first floor and the inside ventilation path 13 on the second floor communicate with each other by the ventilation groove 44h of the base 44 and the ventilation groove 51h of the girder 51, they are taken in from the outside air intake 43. The outside air can be passed through the inner ventilation path 12 on the first floor and also passed through the inner ventilation path 13 on the second floor. Since the inner ventilation path 12 on the first floor and the inner ventilation path 13 on the second floor are provided so as to surround each room 30, outside air can be passed around all the rooms 30. For this reason, it is possible to pass through the inner ventilation path 12 provided facing the outer wall of the room 30, so that fresh air with good air permeability is allowed to pass, and moisture in the room 30 is discharged with the passage of outside air. be able to. Moreover, since the room heat insulating material, that is, the back wall heat insulating material 31, the back floor heat insulating material 32, and the back heat insulating material 33 are provided on the outer surface of the wall of the room 30, the inner ventilation passages 12 on the first and second floors are provided. Even if the outside air passes through 13, it is possible to prevent the temperature of the outside air from affecting the temperature inside the room 30, and to prevent dew condensation on the inner wall surface or the outer wall surface of the room 30.
[0030]
(5) The outside air taken in from the outside air intake 43 can be passed through the inside air passage 12 on the first floor by the ventilation groove 44h of the base 44, and the inside air passage 12 Since the outside air can be passed through the inside air passage 13 on the second floor from above, the air permeability of the outside air can be improved and fresh air can be passed. In addition, since only the ventilation grooves 44h and 51h are formed in the base 44 and the girder 51, the construction can be easily performed while maintaining the strength of the base 44 and the girder 51.
[0031]
The communication means for communicating between the first floor inner ventilation path 12 and the second floor inner ventilation path 13 may be the communication means in the inner wall ventilation structure of the second embodiment shown in FIGS. Good.
[0032]
FIG. 12 is an enlarged view of the base 44 in the inner wall ventilation structure of the second embodiment. As shown in the figure, a joist hook 45 is disposed slightly away from the base 44, and a gap is formed between the base 44 and the joist hook 45. The side wall backside heat insulating material 31 is disposed slightly apart from the upper surface of the base 44 so that a gap is formed between the base 44 and the base 44. It is not necessary to form a ventilation groove in the base 44.
Therefore, the outside air taken in from the outside air intake 43 can be passed through the inside ventilation path 12 on the first floor without forming a ventilation groove in the base 44.
[0033]
FIG. 13 is an enlarged view of the girder 51 in the inner wall ventilation structure of the second embodiment. As shown in the figure, the first-floor side wall backside heat insulating material 31 is disposed slightly apart from the lower surface of the girder 51 so that a gap is formed between the girder 51 and the girder 51.
The joist 45 for the second floor is disposed slightly away from the girder 51, and a gap is formed between the girder 51 and the joist hanger 45. The girder 51 need not be formed with a ventilation groove.
For this reason, the outside air that has passed through the inner ventilation path 12 on the first floor can be passed through the inner ventilation path 13 on the second floor without forming a ventilation groove in the girder 51.
[0034]
FIG. 14 is an enlarged view of the girder 51 behind the ceiling in the inner wall ventilation structure of the second embodiment. As shown in the drawing, the second-floor side wall back heat insulating material 31 is disposed slightly apart from the lower surface of the girder 51 so as to form a gap with the girder 51. The girder 51 need not be formed with a ventilation groove. Reference numeral 66 is a perforated asbestos board.
For this reason, the outside air that has passed through the inside ventilation path 12 on the second floor can be passed through the ceiling.
[0035]
Therefore, according to the inner wall ventilation structure of the second embodiment, the outside air taken in from the outside air intake 43 can be passed through the inside ventilation path 12 on the first floor by the gap between the base 44 and the joist hook 45. The gap between the spar 51 and the joist hook 45 allows the outside air to pass between the inside ventilation path 1 on the first floor and the inside ventilation path 2 on the second floor, thereby improving the ventilation of the outside air. And allow fresh air to pass through.
[0036]
As described above, the embodiment has been described with reference to the drawings with the structure including both the ventilation path and the heat insulating material. However, the structure may include only the ventilation path without providing the heat insulating material. Even in this case, as in the above-described embodiment, the air permeability is good, and fresh air can pass through and the moisture in the room 30 can be discharged with the passage of outside air.
[0037]
【The invention's effect】
According to the first aspect of the present invention, it is possible to allow fresh air to pass therethrough and to discharge moisture in the room with the passage of outside air.
According to the second aspect of the present invention, even if outside air passes through the ventilation path, it is possible to prevent the temperature of the outside air from affecting the temperature inside the room, and dew condensation occurs on the inner wall surface or the outer wall surface of the room. Can be prevented.
According to the third aspect of the present invention, the outside air entering from the outside air inlet can be passed through the lower floor inner ventilation path and also passed through the upper floor inner ventilation path, and can be provided around all rooms. Outside air can be passed through. For this reason, it is possible to allow fresh air with good air permeability to pass therethrough and to exhaust moisture in the room with the passage of outside air. Moreover, even when outside air passes through the inside ventilation path, it is possible to prevent the temperature of the outside air from affecting the temperature inside the room, and to prevent dew condensation on the inner wall surface or the outer wall surface of the room. .
According to the fourth aspect of the present invention, the air permeability of the outside air can be improved, and fresh air can be passed. In addition, since only the ventilation groove is formed in the base and the girder, the construction can be easily performed while maintaining the strength of the base and the girder.
According to the fifth aspect of the present invention, the air permeability of the outside air can be improved, and fresh air can be passed.
[Brief description of the drawings]
FIG. 1 is a front sectional view of a building 1 to which an inner wall ventilation structure according to an embodiment is applied.
FIG. 2 is an enlarged view of a lower part of a building.
FIG. 3 is an enlarged top view of a building.
FIG. 4 is a sectional view taken along line VI-VI of FIG. 1;
5 (A) is an enlarged view of a portion V in FIG. 2, and FIG. 5 (B) is an enlarged view taken along line BB of FIG.
FIGS. 6A and 6B are unit diagrams of the base 44, wherein FIG. 6A is a perspective view and FIG.
7A is an enlarged view of a portion VI in FIG. 2, and FIG. 7B is a view taken along line BB of FIG. 7A.
FIGS. 8A and 8B are unit diagrams of the spar, in which FIG. 8A is a perspective view and FIG. 8B is a cross-sectional view.
FIGS. 9A and 9B are unit views of the spar, in which FIG. 9A is a perspective view and FIG. 9B is a cross-sectional view.
FIG. 10 is a view taken along line XX of FIG. 2;
FIG. 11 is a view taken along line XI-XI in FIG. 2;
FIG. 12 is an enlarged view of a base 44 in the inner wall ventilation structure of the second embodiment.
FIG. 13 is an enlarged view of a spar 51 in the inner wall ventilation structure of the second embodiment.
FIG. 14 is an enlarged view of a girder 51 behind the ceiling in the inner wall ventilation structure of the second embodiment.
FIG. 15 is a front sectional view of a conventional building.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Building 11 Outer heat insulating material 12 Inner airway 13 on the first floor 13 Inner airway 31 on the second floor 31 Insulating material behind the wall 32 Insulating material behind the floor 33 Insulating material 44 above the ceiling 44 Base 44h Vent groove 51 Digit 51h Vent groove

Claims (5)

  1. An inner wall ventilation structure, characterized in that ventilation paths through which outside air can pass are provided along respective outer surfaces of a floor, a ceiling, and four front, rear, left and right side walls constituting a room of the building.
  2. The floor, ceiling and the outer surfaces of the four front, rear, left and right side walls of the room are each surrounded by a heat insulating material,
    The inner wall ventilation structure according to claim 1, wherein the ventilation path is provided outside the heat insulating material.
  3. An outside heat insulating material is provided on an outer wall of the building, and a ventilation structure in which outside air taken in from an outside air intake vents through the inside of the outside heat insulating material and is discharged from an exhaust port,
    On the outer surface of the wall constituting the lower floor room, provided around the periphery of the room, an inner ventilation path for the lower floor through which the outside air can pass,
    On the outer surface of a wall constituting a room on the upper floor, provided around the periphery of the room, an inner ventilation path for the upper floor through which the outside air can pass,
    Communication means for communicating between the lower floor inner air passage and the upper floor inner air passage, and a room heat insulating material provided on the outer surface of the wall of each room, surrounding the room. An inner wall ventilation structure comprising:
  4. The communication means,
    A ventilation groove formed at an appropriate place on the base and communicating between the outside air intake and the inner ventilation path for the lower floor,
    4. The inner wall ventilation structure according to claim 3, further comprising a ventilation groove formed at an appropriate place of the girder and communicating between the lower floor inner ventilation path and the upper floor inner ventilation path. .
  5. The communication means,
    A joist hanging adjacent to the base is provided apart from the base, and a gap formed between the base and the joist,
    4. The inner wall ventilation structure according to claim 3, wherein a joist hook adjacent to the girders is provided at a distance from the girders and comprises a gap formed between the girders and the joist hooks.
JP2002224999A 2002-08-01 2002-08-01 Internal wall venting structure Pending JP2004068275A (en)

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* Cited by examiner, † Cited by third party
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JP2006233449A (en) * 2005-02-22 2006-09-07 Noritz Corp Bay window
JP2016048831A (en) * 2014-08-27 2016-04-07 オリンパス株式会社 Imaging device, imaging method, and program

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