JP2003253794A - Double skin curtain wall - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a double skin curtain wall which is improved in appearance, and can solve a problem arising when introducing air therein. <P>SOLUTION: The double skin curtain wall 20 is mounted on a skeleton 10 of a building for forming an outer wall surface of the building, and has a double wall structure formed of an inner skin 24 located inside the building and an outer skin 22 located outside the building. According to the double skin curtain wall 20, the outer skin 22 is formed of a face glass 30 facing the outdoors and a rib glass 32 arranged on an indoor side of the face glass 30 and vertically extending with respect to the face glass 30, to thereby support the same. Further, the adjacent face glasses 30, 30 are arranged across a gap 33 having a predetermined width. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double skin curtain wall having a double wall structure.

[0002]

2. Description of the Related Art A double-skin curtain wall is known as a curtain wall forming an outer wall of a building. The double skin curtain wall has an inner skin that is a panel plate on the indoor side and an outer skin that is a panel plate on the outdoor side, and a space with a predetermined interval is provided between the inner skin and the outer skin. Is.
Glass is usually used as a panel plate for such a double-skin curtain wall.

Usually, the double-skin curtain wall has a structure in which the outside air is circulated in the space between the inner skin and the outer skin. As such a structure, an air inlet and an air outlet are provided in a gap between vertically adjacent outer skins, and the outside air introduced from the air inlet is raised in the space between the inner skin and the outer skin. It is like exhausting from the air outlet.

By adopting such a double skin curtain wall as the outer wall surface of a building, there is an advantage that the building can be made beautiful in appearance. In particular, when the panel plate is made of glass, the appearance can be made more beautiful, and sunlight can be largely taken in to provide a bright indoor space.

Further, by adopting the double skin curtain wall, there is an advantage that the air conditioning equipment in the room can be simplified. That is, since the space between the inner skin and the outer skin has a role as a heat insulating layer, it is possible to prevent outside air from entering and prevent the indoor temperature from decreasing in winter. On the other hand, in the summer, this space serves as a heat insulating layer, and as described above, the air introduced from below the outer skin is passed through the space and discharged from above the outer skin to increase the indoor temperature. Can be prevented. further,
In spring or autumn, the air introduced from below the outer skin can be taken directly into the room by setting the inner skin as a Dolly Kip window.

As described above, since the double skin curtain wall can set the indoor space to a comfortable temperature without using a large-scale air conditioner, in the present day when CO ₂ reduction is demanded. This structure is attracting more attention in the future because it can provide eco-friendly buildings.

[0007]

In the conventional double-skin curtain wall, in the face glass constituting the outer skin, the face glasses adjacent to each other are covered with a sealing material so as not to open a gap, or a gap is opened. Even in the case where the face glass is arranged, the periphery of the face glass is supported by the aluminum frame. However, if the seal is exposed to the outside, stains are likely to adhere to the seal due to the influence of rain or the like, and the appearance looks dirty, which greatly impairs the advantages of the double skin curtain wall.

Also, if the aluminum frame is supported, the rough and unpolished image of the aluminum frame appears on the front even though the front has a simple glass appearance. Therefore, there is a problem that it is disadvantageous in design.

Further, there is also a problem that dust such as fallen leaves is apt to be clogged in the air introducing port for taking air into the space between the inner skin and the outer skin, and cleaning for removing the dust is difficult. .

Therefore, the present invention has been made to solve the above problems, and an object of the present invention is to improve the appearance of a double skin curtain wall and also to solve the problem of introducing air. To provide a skin curtain wall.

[0011]

The present invention has the following constitution in order to achieve the above object. That is, according to the double-skin curtain wall of the present invention, in order to form the outer wall surface of the building, the inner skin that is attached to the body of the building and is located on the indoor side, and the predetermined distance from the inner skin. In a double-skin curtain wall having an outer skin that is opened and located on the outside of the room, and the inner skin and the outer skin are formed into a double-wall structure, the outer skin is a face glass that faces the outside, and It is composed of a rib glass which is arranged so as to extend in the vertical direction of the face glass on the indoor side of the face glass and supports the face glass, and is characterized in that adjacent face glasses are arranged with a predetermined gap therebetween. There is. By adopting this configuration, the face glasses adjacent to each other are spaced apart from each other by a predetermined distance, so that it is not necessary to use a seal which easily stains the surface, and a beautiful appearance of the building can be provided. Also, since the face glass is supported without using an aluminum frame or the like, it is possible to make the image look neat.

Further, since the inside of the gap is provided with an air inlet for introducing air from the gap between the inner skin and the outer skin, face glass is provided. Since the air introduction port is located deeper than that, dust and the like are less likely to directly enter the air introduction port.

Further, on the indoor side of the gap, there are provided two rib glasses arranged at the gap side end portions of each face glass and a closing plate for connecting and closing the indoor side end portions of both rib glasses. It may be characterized in that the constituted small room portion is formed. If this configuration is adopted, the air inlet will not be directly exposed on the outer wall surface of the building,
Since air is introduced from this small room, it is difficult for dust and the like to directly enter the air inlet.

Further, when the filter is provided at the air inlet, even if dust or the like enters the small room, the filter is provided in the space between the outer skin and the inner skin. Can be prevented from entering.

If the filter has an insect repellent effect, it can prevent insects from entering the space between the outer skin and the inner skin.

Further, if the closing plate is provided so as to be openable and closable, if the closing plate is inserted into the space between the outer skin and the inner skin from the indoor side, the closing plate is emptied to enter the small room. Can be cleaned.

The skeleton of the building is provided so as to support the lower end portion of the inner skin and at least the lower end portion of the rib glass of the outer skin so as to project to the outdoor side. The structure between the skin and the outer skin can be a simple structure, and a heavy metal building material is used without providing a scaffold for walking between the inner skin and the outer skin. Since it is good, it can also contribute to weight reduction of the entire building.

An air outlet for discharging the air introduced from the air inlet is provided between the vertically adjacent face glasses, and the air outlet is provided for adjusting the wind direction and for prohibiting rainwater intrusion. A louver provided with a blade portion having a plurality of blades and a frame body portion supporting the blade portion is provided.
The gallery is characterized in that the blade portion and the frame body portion are integrally formed, and a gap is formed between the blades by milling. According to this configuration, when the louver is manufactured, it is not necessary to separately manufacture the frame body portion and the blade portion and assemble them later, and the louver manufacturing time is shortened to an extremely short time. can do. Further, since the structure can be simplified and the number of parts can be reduced, it is possible to contribute to cost reduction.

[0019]

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is a front view of the double-skin curtain wall of the present invention viewed from the outside. FIG. 2 shows a cross-sectional view of the double-skin curtain wall viewed from the side.

The double skin curtain wall 20 has an inner skin 24 located on the indoor side and an outer skin 22 located on the outdoor side. That is, the double skin curtain wall 20 is the outer skin 2
It is a structure in which the outer wall of the building is configured by a double wall structure with the inner skin 24 and the inner skin 24.

In this embodiment, both the outer skin 22 and the inner skin 24 are made of glass. In particular, the inner skin 24 according to the present embodiment employs a Dolly Kip window that can be folded inward and opened inward.

A louver 36 is provided at both upper and lower ends of the face glass 30 constituting the outer skin 22. On the other hand, the left and right ends of the face glass 30 are provided with a gap 33 between the face glass 30 and the adjacent face glass 30.

Outer skin 22 and inner skin 24
Are spaced apart from each other by a predetermined distance, and in the present embodiment, a space 26 between the outer skin 22 and the inner skin 24 that is large enough for a person to enter.
Is formed. The space 26 is formed as a heat insulating layer that blocks the outside air from the room, and is provided so as to maintain the indoor temperature in a comfortable state.

Next, in addition to the above-mentioned drawings, FIG.
The structures of the outer skin and the inner skin will be described in more detail with reference to FIGS. 4 and 5. The outer skin 22 is a face glass 30 that faces the outside.
And a rib glass 32 that supports the left and right ends 30a and 30b of the face glass 30 on the indoor side. The face glasses 30 adjacent to each other on the left and right are arranged so that a gap 33 is formed at a predetermined interval. The broken line in FIG. 1 indicates the rib glass 32. The face glass 30 has an upper end portion 30c and a lower end portion 30.
d is a holding member 3 provided inside the gallery 36
It is stored and held in 7, 37.

The rib glass 32 is a long-axis member whose one end 32a is in contact with the inner surface of the face glass 30 through the seal 39, and the other end 32b is projected in the prospective direction. The other end 32b of each rib glass 32 holds the other end 32b of the rib glass 32 by holding it.
A rib glass receiver 38 is provided. As the rib glass receiver 38, a frame made of metal such as aluminum may be used.

A door 40 is provided between the adjacent rib glass receivers 38, 38 to connect the adjacent rib glass receivers 38, 38 to each other. Since the door 40 is provided here, the small room portion 42 is formed inside the outer skin 22 together with the two rib glasses 32, 32. A hinge 44 is provided on one of the two adjacent rib glasses 32, 32 of the door 40, and is provided so as to rotate in the indoor direction (arrow A direction) with the hinge 44 as a fulcrum. . The closing plate described in the claims is the door 40 here.

An air introduction port 46 for introducing outside air into the space 26 formed between the outer skin 22 and the inner skin 24 is formed on the indoor side of the rib glass receiver 38 with respect to the holding portion 41. ing. That is, the air introduction port 46 is provided so as to be located on the side surface inside the small chamber portion 42. The outdoor air is from inside the small room 42.
It enters into the space 26 along the direction of arrow B through the air inlet 46.

The air introduction port 46 itself is a hole having a predetermined diameter, and the holes are formed side by side in the vertical direction of the rib glass receiver 38. However, since dust and the like enter the space 26 through the air introduction port 46 as it is, it is preferable to provide the air introduction port 46 with a filter 48 that blocks passage of dust and the like having a predetermined size or more. In addition, this filter 48
By using an insect repellent component or an insecticidal component, it is possible to prevent insects from entering the space 26.

The rib glass 32 of the outer skin 22 is
The skeleton body 10 is provided on the protruding portion 12 that is formed so as to protrude more outward than the inner skin 24. Specifically, the pedestal 59 is connected to the projecting portion 12 of the skeleton 10 and the upper surface of the steel material 52 that extends laterally outside the projecting portion 12, and the rib glass 32 and the rib glass receiver 38 are connected to the pedestal 59. Is placed.

Air outlets 60 for discharging the air in the space 26 to the outside are provided at the upper and lower ends of the face glass 30, and the portion where the louver 36 is provided is the air outlet 60. is there. Further, the steel material 52 is formed with a through hole (not shown) that penetrates from the indoor side to the outdoor side. Therefore, the air that has risen from the lower space 26 passes through the through hole of the steel material 52 and is discharged from the louver 36 to the outside as shown by the arrow C.

Next, the inner skin will be described.
The inner skin 24 of the present embodiment includes a slightly larger window 50 located on the lower side and a fixed window 52 located above the window 50. Dolly-kip windows 54 are arranged alternately with the windows 50, and the air in the room can be exchanged through the space 26. The window 50 and the Dolly Kip window 54 of the inner skin 24 are attached by a frame member 55 provided on the upper end of the edge portion 11 projecting upward in the building body 10 of the building.

It is preferable that the inner skin 24 be provided with an electric blind 56 that can be operated indoors because it can reduce the sunlight. Since the electric blind 56 of the present embodiment is provided outside the inner skin 24 (in the space 26), the indoor space can be made clean.

Next, the galleries will be described with reference to FIGS. 6 and 7. The gallery 36 is a member provided in the air outlet 60 for adjusting the wind direction and preventing the intrusion of rainwater or the like. The gallery 36 includes a plurality of blade portions 62 extending in the lateral direction and a frame-shaped frame body portion 64 that fixes the periphery of the plurality of blade portions 62.

In general, the louver 36 is generally provided separately from the blade portion 62 and the frame body portion 64, and is constructed so that the blade portion 62 is fitted into the frame body portion 64. . However, the gallery 36 of the present invention is characterized in that the blade portion 62 and the frame body portion 64 are integrally formed. That is,
Explaining the manufacturing method of the gallery 36, the gallery 36
The material of is specifically aluminum, and the louver 36 is laterally (in the figure, vertical to the paper surface) by extrusion processing.
The blade portion 62 and the frame body portion 64 are integrally formed so as to be pushed out. At the stage immediately after extrusion processing, as shown in FIG. 6, there is no gap between the blade portion 62 and the frame body portion 64, but after this, milling or the like is performed on the rear side of the blade portion 62 (on the right side in the drawing). (a) By simultaneously grinding the frame body portion 64, finally, as shown in FIG.
The gallery 36 can be formed by creating a gap between the frame 2 and the frame body portion 64.

In the above-described embodiment, the rib glass receiver for holding the rib glass is provided with the air introduction port. However, the present invention is not limited to such an embodiment, and the structure of the air inlet may be as shown in FIG. Although another embodiment will be described below with reference to FIG. 8, the same components as those in the above-described embodiment will be denoted by the same reference numerals and the description thereof may be omitted.

In the embodiment shown in FIG. 8, the air inlet port 46
Are formed on the rib glass 32. In this embodiment,
Air inlet port 46 that allows air to enter and leave the rib glass 32
Since the rib glass receiver 38 is provided, the size of the rib glass receiver 38 can be reduced accordingly. Therefore, the size of the rib glass receiver 38 that needs to be formed of a metal such as aluminum can be reduced to provide a double-skin curtain wall with a clean impression.

Although the present invention has been variously described with reference to the preferred embodiments, the present invention is not limited to these embodiments, and many modifications can be made without departing from the spirit of the invention. Of course.

[0038]

According to the double-skin curtain wall of the present invention, since the face glasses adjacent to each other are spaced apart from each other by a predetermined distance, it is not necessary to use a sticker that easily gets dirty on the surface, and a beautiful appearance of the building is provided. it can. Also,
Since the face glass is supported without using an aluminum frame or the like, it can have a neat appearance.

Further, according to the double skin curtain wall of the second aspect, the air inlet is located at the back, and it becomes difficult for dust and the like to directly enter the air inlet.

Further, according to the double skin curtain wall of the third aspect, the air inlet is not directly exposed to the outer wall surface of the building, and air is introduced from this small room portion, so that dust or the like is not generated. It is difficult to directly enter the air inlet.

According to the double-skin curtain wall of the fourth aspect, since the filter is provided, even if dust or the like enters the small room, it does not enter the space between the outer skin and the inner skin. You can avoid it.

According to the double skin curtain wall of the fifth aspect, since the filter has an insect repellent effect, it is possible to prevent insects from entering the space between the outer skin and the inner skin.

Further, according to the double skin curtain wall of the present invention, since the closing plate is provided so as to be openable and closable, if it enters from the indoor side into the space between the outer skin and the inner skin, it closes. The board can be emptied to clean the small room.

According to the double-skin curtain wall of claim 6, the structure between the inner skin and the outer skin can be made simple, and the inner skin is made of a heavy metal building material. Since it is not necessary to provide a scaffold for walking with an outer skin, it is possible to contribute to weight reduction of the entire building.

According to the double-skin curtain wall of the present invention, it is not necessary to separately manufacture the frame part and the blade part and assemble them later when manufacturing the gallery. Therefore, the manufacturing time of the gallery can be shortened to an extremely short time. Further, since the structure can be simplified and the number of parts can be reduced, it is possible to contribute to cost reduction.

[Brief description of drawings]

FIG. 1 is an external view of a double skin curtain wall according to the present invention.

FIG. 2 is a side view of the double skin curtain wall of FIG.

3 is a cross-sectional view of the double skin curtain wall of FIG.

FIG. 4 is an enlarged side view of the vicinity of an air outlet.

FIG. 5 is an internal view of an inner skin.

FIG. 6 is a side view of the louver immediately after being extruded by extrusion when manufacturing the louver.

FIG. 7 is a side view of the louver shown in FIG. 6, which is obtained by milling.

FIG. 8 is an explanatory view showing another embodiment of the outer skin.

[Explanation of symbols]

10 body 11 edges 12 Projection 20 double skin curtain wall 22 Outer skin 24 Inner skin 26 space 30 face glass 32 rib glass 33 Gap 36 gallery 37,41 holding part 39 seal 40 doors 42 Small room 44 hinge 46 Air inlet 48 filters Fifty windows 52 Fixed window 52 Steel 54 Dolly Kip window 55 Frame material 56 electric blinds 59 pedestal 60 Air outlet 62 blade 64 frame body

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Motoharu Ito             6-5-1 Nishishinjuku, Shinjuku-ku, Tokyo Shinjuku Aira             Nto Tower 29th Floor, Nippon Design Co., Ltd. (72) Inventor Hidenori Miyake             5-23, Ueno, Taito-ku, Tokyo 14 Asahi Glass             Child Building Materials Engineering Co., Ltd. (72) Inventor Yoshihisa Niiyama             5-23, Ueno, Taito-ku, Tokyo 14 Asahi Glass             Child Building Materials Engineering Co., Ltd. (72) Inventor Hiroshi Tanaka             1216 Yotsuya, Kawanakajima Town, Nagano City, Nagano Prefecture             Inside the ceremony company Newst (72) Inventor Naoki Miyoshi             1216 Yotsuya, Kawanakajima Town, Nagano City, Nagano Prefecture             Inside the ceremony company Newst F term (reference) 2E001 DH13 FA04 GA11 HF00                 2E002 NA01 NB02 PA04 PA09 PA10                       RA03 WA05 WA07 XA01 XA03                       XA16

Claims (8)

[Claims] 1. An inner skin that is attached to a body of a building and is located on the indoor side to form an outer wall surface of the building, and an outer skin that is located on the outdoor side with a predetermined distance from the inner skin. A double skin curtain wall having a double wall structure with the inner skin and the outer skin, wherein the outer skin is a face glass facing the outside and a face glass on the indoor side of the face glass. A double-skin curtain wall, which is composed of a rib glass which is arranged so as to extend in the up-down direction and which supports face glass, and adjacent face glasses are arranged with a predetermined gap therebetween. 2. An air inlet for introducing air from the gap between the inner skin and the outer skin is provided on the indoor side of the gap. Double skin curtain wall. 3. The inner side of the gap is composed of two rib glasses arranged at end portions on the gap side of each face glass, and a closing plate which connects and closes inner side end portions of both rib glasses. The double-skin curtain wall according to claim 1 or 2, wherein a small room portion is formed. 4. The double skin curtain wall according to claim 1, wherein a filter is provided at the air inlet. 5. The double skin curtain wall according to claim 4, wherein the filter has an insect repellent effect. 6. The double skin curtain wall according to claim 3, 4 or 5, wherein the closing plate is provided so as to be openable and closable. 7. The structure of the building is provided so as to project to the outdoor side so as to support the lower end of the inner skin and at least the lower end of the rib glass of the outer skin. The double-skin curtain wall according to claim 3, 4, 5 or 6. 8. An air outlet for discharging the air introduced from the air inlet is provided between vertically adjacent face glasses, and the air outlet is provided for adjusting the wind direction and for prohibiting rainwater intrusion. A gallery including a blade portion having a plurality of blades and a frame body portion supporting the blade portion is provided, and the gallery has the blade portion and the frame body portion formed integrally, and each blade is formed by milling. A gap is formed between the two.
Double skin curtain wall as described.