JP6796012B2 - curtain wall - Google Patents

Description

The present invention relates to a curtain wall.

Curtain walls that make up the outer walls of buildings such as buildings include so-called double skins. That is, in the double-skin curtain wall, the outer skin on the outdoor side and the inner skin on the indoor side are arranged on the frame body having the upper and lower horizontal frames and the left and right vertical frames. The inner skin is in contact with a fin-shaped portion of the horizontal frame or the vertical frame that protrudes from the indoor side toward the inner peripheral side. A sealing material is interposed between the fin-shaped portion and the inner skin to prevent the outdoor air from entering the indoor side through the gap. According to this type of curtain wall, an intermediate air layer is formed between the outer skin and the inner skin, which is advantageous in terms of heat insulation (see, for example, Patent Document 1).

JP-A-2015-45167

By the way, in a curtain wall provided with an inner skin, not only the above-mentioned fin-shaped portion may be visually recognized from the outside, but also the opening area is reduced by the amount of the fin-shaped portion, which improves the design and the interior. Considering the lighting property, it is not always preferable.

In view of the above circumstances, it is an object of the present invention to provide a curtain wall capable of improving heat insulation without impairing design and daylighting in the room.

In order to achieve the above object, the curtain wall according to the present invention is a building by arranging an outer skin on the outdoor side and an inner skin on the indoor side in a frame having upper and lower horizontal frames and left and right vertical frames. A curtain wall having a spandrel portion facing the upper and lower boundary portions of the above and a vision portion facing the living space of the building, and the vision portion of the inner skin is an edge portion of a panel having translucency. The frame material, which is provided with a stile and holds both the outer skin and the inner skin at a height position corresponding to the vision portion, extends along the prospective direction and is inside the frame. A flat plate-shaped portion constituting the peripheral side prospective surface is provided, and the portion facing the room on the outer peripheral side of the inner peripheral side prospective surface of the frame body, and the distances from the outer skin are different from each other. A contact portion and a second contact portion are provided, and the vision portion of the inner skin has an edge portion that hits the first contact portion and the second contact portion via a sealing material, respectively. It is characterized in that it is in contact with the frame and the inner peripheral side prospective surface of the stile is located on a plane that is the same as the inner peripheral side prospective surface of the frame body or is on the outer peripheral side.

According to the present invention, the vision portion of the inner skin is in contact with the first contact portion and the second contact portion which are on the outer peripheral side of the inner peripheral side prospective surface of the frame body, and the inner peripheral side prospective surface of the stile. Is located on the same plane as the inner peripheral side prospective surface of the frame body or on the plane which is the outer peripheral side, so that between the inner skin and the frame body, the inner peripheral side prospective surface of the frame body is on the inner peripheral side. There is no protruding member. Therefore, it is possible to improve the heat insulating property without impairing the design property and the daylighting property in the room.

Further, according to the present invention, in the curtain wall described above, the frame material protrudes toward the room from a hollow rectangular parallelepiped frame main body portion and a portion of the frame main body portion that faces the room and is on the outer peripheral side. The first contact portion is formed on a finding surface of the frame main body portion that has a protruding piece portion and faces the room, and the second contact portion is formed on the finding surface of the protruding piece portion that faces the room. It is characterized by being configured.

Further, according to the present invention, in the above-mentioned curtain wall, the vision portion of the inner skin has the stile attached to the surface of the panel facing the room, and is between the panel and the first contact portion. The sealing material is interposed, and the sealing material is interposed between the stile and the second contact portion.

According to the present invention, the sealing material is interposed between the frame and the frame material of the vision unit, and the frame and the frame material are not in direct contact with each other. Therefore, even when the temperature difference between the outdoor and the indoor is large, there is no possibility that dew condensation will occur on the stile.

Further, in the above-described curtain wall, the frame material extends outside the frame material from a portion on the outer peripheral side of the frame body portion beyond a finding surface facing the outside of the frame body portion, and then the frame. A frame material ridge extending so as to face the finding surface facing the outdoor side of the main body is arranged, and the edge of the outer skin is held between the frame main body and the frame material ridge. The portion of the ridge of the frame material facing the surface of the outer skin facing the outside is located at a portion where the extending edge portion is the same as or on the outer peripheral side of the inner peripheral side prospective surface of the frame body. It is characterized by.

According to the present invention, since the frame material ridge that holds the outer skin does not have a structure that protrudes from the inner peripheral side prospective surface of the frame body, it is further advantageous in terms of design and daylighting in the room.

Further, according to the present invention, in the above-mentioned curtain wall, the upper and lower horizontal frames and the left and right vertical frames are configured to have the same cross-sectional shape, and the upper horizontal frame is the first one. A panel pressing member is attached to the protruding piece portion so as to face the contact portion, and the spandrel portion of the inner skin holds an upper edge portion between the first contact portion and the panel pressing member. It is characterized by being.

According to the present invention, since the upper and lower horizontal frames and the left and right vertical frames are configured to have the same cross-sectional shape, it is possible to reduce the number of parts. Moreover, with respect to the upper horizontal frame, the upper edge portion of the spandrel portion can be held between the first contact portion of the horizontal frame and the panel pressing member by attaching the panel pressing member to the protruding piece portion. it can.

Further, in the above-mentioned curtain wall, between the left and right vertical frames, a first transom light frame is provided along the left and right at a portion of the inner skin that is a boundary between the vision portion and the spandrel portion. The lower edge portion of the first transom frame is provided with a first corresponding contact portion corresponding to the first contact portion and a second corresponding contact portion corresponding to the second contact portion. The inner skin is characterized in that the upper edge portion of the vision portion is in contact with the first corresponding contact portion and the second corresponding contact portion via a sealing material.

According to the present invention, the upper edge portion of the vision portion is in contact with the first corresponding contact portion and the second corresponding contact portion of the first transom light frame via the sealing material.

Further, in the curtain wall described above, in the curtain wall described above, a second transom frame is provided along the left and right so as to divide the vision portion into upper and lower parts between the left and right vertical frames, and the second transom frame is provided. The upper edge portion and the lower edge portion are provided with a first corresponding contact portion corresponding to the first contact portion and a second corresponding contact portion corresponding to the second contact portion, respectively. The vision unit includes an upper vision unit between the first transom frame and the second transom frame, and a lower vision unit between the second transom frame and the lower horizontal frame. The lower edge portion of the upper vision portion abuts on the first corresponding contact portion and the second corresponding contact portion of the second transom light frame via a sealing material, and the lower edge portion of the lower vision portion. The upper edge portion is characterized in that it is in contact with the first corresponding contact portion and the second corresponding contact portion of the second transom frame via a sealing material.

According to the present invention, by providing the second transom light frame, since the vision unit is composed of the upper vision unit and the lower vision unit, the parts to be handled can be miniaturized, for example, for transportation work and assembly work. It is possible to facilitate the process.

Further, according to the present invention, in the above-mentioned curtain wall, the lower vision portion is provided with an engaging member via a heat insulating material at a portion serving as an outer periphery of the stile, and the frame is provided via the engaging member. It is characterized in that it is engaged with a protruding piece of the material.

According to the present invention, a heat insulating material is interposed between the frame and the frame material of the lower vision portion, and the frame and the frame material are maintained in an engaged state without being in direct contact with each other. Therefore, even when the temperature difference between the outdoor and the indoor is large, there is no possibility that dew condensation will occur on the stile of the lower vision portion.

Further, in the above-mentioned curtain wall, in the above-mentioned curtain wall, a vertical bone frame is provided along the upper and lower sides between the first transom frame and the second transom frame so as to divide the upper vision portion into left and right. A first corresponding contact portion corresponding to the first contact portion and a second corresponding contact portion corresponding to the second contact portion are provided on both side edges of the vertical bone frame, respectively. The upper vision unit is configured to include an upper left vision unit and an upper right vision unit between the vertical bone frame and the left and right vertical frames, respectively, and each of the upper left vision unit and the upper right vision unit It is characterized in that it is in contact with the first corresponding contact portion and the second corresponding contact portion of the vertical bone frame via a sealing material.

According to the present invention, by providing the vertical bone frame, the upper left vision section and the upper right vision section form the upper vision section, so that the parts to be handled can be further miniaturized, for example, transportation work and assembly work can be performed. Make it even easier.

Further, the present invention is characterized in that, in the above-mentioned curtain wall, the upper left vision portion and the upper right vision portion are supported so as to open to the indoor side with a portion in contact with the vertical bone frame as a door tip. ..

According to the present invention, by opening the upper left vision section and the upper right vision section, it is possible to facilitate the maintenance work such as cleaning the outer skin from the indoor side.

According to the present invention, the vision portion of the inner skin is in contact with the first contact portion and the second contact portion which are on the outer peripheral side of the inner peripheral side prospective surface of the frame body, and the inner peripheral side prospective surface of the stile. Is located on the same plane as the inner peripheral side prospective surface of the frame body or on the plane which is the outer peripheral side, so that between the inner skin and the frame body, the inner peripheral side prospective surface of the frame body is on the inner peripheral side. There is no protruding member. Therefore, it is possible to improve the heat insulating property without impairing the design property and the daylighting property in the room.

FIG. 1 is a view of a building to which a curtain wall according to an embodiment of the present invention is applied as viewed from the outdoor side. FIG. 2 is a view of the building shown in FIG. 1 as viewed from a living space. FIG. 3 is a vertical cross-sectional view of the building shown in FIG. FIG. 4 is a cross-sectional view of a main part showing a living space of the building shown in FIG. FIG. 5 is an enlarged vertical cross-sectional view of a main part showing a joint portion between the lower frame and the upper frame of the curtain wall in the building shown in FIG. FIG. 6 is an enlarged vertical cross-sectional view of a main part showing a boundary portion between the spandrel portion and the vision portion of the curtain wall shown in FIG. FIG. 7 is an enlarged vertical cross-sectional view of a main part showing a second transom frame provided on the inner skin of the curtain wall shown in FIG. FIG. 8 is an enlarged cross-sectional view of a main part showing a joint portion between the vertical frame and the vertical frame in the spandrel portion of the curtain wall shown in FIG. FIG. 9 is an enlarged cross-sectional view of a main part showing a joint portion between the vertical frame and the vertical frame in the upper vision portion of the curtain wall shown in FIG. FIG. 10 is an enlarged cross-sectional view of a main part showing a vertical bone frame provided in the vision portion of the curtain wall shown in FIG. FIG. 11 is an enlarged cross-sectional view of a main part showing a joint portion between the vertical frame and the vertical frame in the lower vision portion of the curtain wall shown in FIG. FIG. 12 is an end view of the upper horizontal frame applied to the curtain wall shown in FIG. FIG. 13 is an end view of the first transom frame applied to the curtain wall shown in FIG.

Hereinafter, preferred embodiments of the curtain wall according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 4 show a building to which a curtain wall according to an embodiment of the present invention is applied. The building illustrated here is provided with a plurality of layers of floor slabs B at the top and bottom, and by arranging the ceiling plate material C between the upper floor slab B and the lower floor slab B, respectively, the ceiling plate material C is more than the ceiling plate material C. The living space D is configured below, and the ceiling space E is configured above the ceiling plate material C. A plurality of curtain walls 1 are suspended and held on the floor slab B, which is an upper layer with respect to the living space D. The curtain wall 1 has a structure common to each other, and is configured so that each lower end has a height corresponding to the upper surface of the floor material F formed in the lower floor slab B.

The curtain wall 1 includes a frame body 10 formed in a rectangular shape by an upper frame (horizontal frame) 10A, a lower frame (horizontal frame) 10B, and left and right vertical frames 10C. An intermediate air layer 10F is formed between the frame body 10 by disposing the outer skin 10D on the outdoor side and the inner skin 10E on the indoor side. The upper frame 10A, the lower frame 10B, and the left and right vertical frames 10C are configured to have the same cross-sectional shape, and are joined to each other via a slope of 45 ° (sealing).

The inner skin 10E of the curtain wall 1 is provided with a first transom frame 20A along the left and right in the upper portion, and a second transom along the left and right at a position below the first transom frame 20A. A frame 20B is provided. Further, a vertical bone frame 20C is provided along the top and bottom between the first transom frame 20A and the second transom frame 20B.

The first transom frame 20A is arranged at a position corresponding to the ceiling plate material C, and faces the vision portion facing the living space D in the curtain wall 1 and the ceiling space E including the floor slab B. It is the boundary with the spandrel part. The second transom frame 20B divides the vision portion 10E1 of the inner skin 10E into upper and lower parts to form the upper vision portion 10E1a and the lower vision portion 10E1b. In the present embodiment, the second transom light frame 20B is provided at a position about 1/3 from the bottom with respect to the total height of the vision unit 10E1. The vertical bone frame 20C divides the upper vision portion 10E1a into two equal parts on the left and right, and divides the upper left vision portion 10E1aL located on the left side when viewed from the indoor side and the upper right vision portion 10E1aR located on the right side when viewed from the indoor side. It constitutes. The first transom frame 20A, the second transom frame 20B, and the vertical bone frame 20C arranged on the inner skin 10E are configured to have the same cross-sectional shape.

Further, the curtain wall 1 is provided with a third transom frame 30 along the left and right at a portion extending over both the outer skin 10D and the inner skin 10E in the spandrel portion, and from the third transom frame 30 in the outer skin 10D. The fourth transom frame 40 is provided along the left and right at a position below the height and slightly above the height corresponding to the second transom frame 20B.

The third transom frame 30 defines the upper end position of the intermediate air layer 10F formed between the outer skin 10D and the inner skin 10E. The fourth transom frame 40 is for forming an exhaust port 10F1 between the outer skin 10D and the third transom frame 30.

Hereinafter, with reference to FIGS. 5 to 13, the upper frame 10A, the lower frame 10B, the left and right vertical frames 10C, the first transom frame 20A, and the second transom frame 20B, which are the components of the curtain wall 1 described above, are appropriately referred to. , The detailed configuration of the vertical bone frame 20C, the third transom frame 30, and the fourth transom frame 40 will be described, and the feature portions of the present application will be described in detail. In the following description, for convenience, the orientation of each component and the direction of each part will be specified in the state where the curtain wall 1 is configured. In addition, when specifying the direction of a component or the direction of each part, the terms prospective direction and finding direction may be used. The prospective direction is a direction along the depth of the curtain wall 1 as shown by an arrow A in the drawing. The surface along the prospective direction is called the prospective surface. The finding direction is a direction along the top and bottom orthogonal to the prospective direction in the case of a member along the horizontal such as the upper frame 10A and the lower frame 10B, and is a prospect in the case of a member along the top and bottom such as the vertical frame 10C. The direction is along the horizontal direction orthogonal to the direction. The surface along the finding direction is called the finding surface.

The upper frame 10A, the lower frame 10B, and the left and right vertical frames 10C constituting the frame body 10 are extruded profiles formed of a metal such as an aluminum alloy, and as shown in the upper frame 10A of FIG. 12, the frame main body portion 11 And has a protruding piece portion 12.

The frame main body portion 11 includes a first square tubular portion 11a having a rectangular tubular shape and a second square tubular portion 11b having a rectangular tubular shape provided at both ends of the first square tubular portion 11a. It is a thing. The first square tubular portion 11a has a larger dimension along the prospective direction than the dimension along the finding direction. The second square cylinder portion 11b is set so that the dimension along the finding direction is slightly larger than that of the first square cylinder portion 11a and the dimension along the prospective direction is about 1/5. Although not explicitly shown in the figure, this second square tube portion 11b is applied as a portion for inserting an L-shaped corner block when joining the upper frame 10A, the lower frame 10B, and the left and right vertical frames 10C to each other. Is to be done. The first square cylinder portion 11a and the second square cylinder portion 11b are integrally molded with each other so that the portions arranged on the inner peripheral side of the frame body 10 form a series of flat plate-shaped portions 11c.

The protruding piece portion 12 is a plate-shaped portion protruding from a portion of the frame main body portion 11 on the outer peripheral side of the finding surface 11d arranged on the indoor side so as to be parallel to the flat plate-shaped portion 11c. The protruding edge portion of the protruding piece portion 12 is bent toward the outer peripheral side, and the bent portion constitutes a flat surface 12a facing the room. In the present embodiment, the finding surface 11d facing the room in the frame main body 11 serves as the first contact portion, and the flat surface 12a formed by the bent portion of the protruding piece portion 12 corresponds to the second contact portion.

The frame main body portion 11 on the outer peripheral side of the frame body 10 is provided with a gasket mounting ridge 11e, a ridge engaging portion 11f, two prospective sealing material mounting portions 11g and 11h, and a finding sealing material mounting portion 11j. A stile engaging portion 12b is provided on one portion 12. The gasket-mounted ridge 11e is a fin-shaped protrusion that protrudes outward from the finding surface of the frame main body 11 facing the outside. An inner gasket 13 for the outer skin 10D can be attached to the gasket mounting protrusion 11e. The ridge engaging portion 11f is two claw-shaped members provided on a prospective surface on the outer peripheral side of the frame body 10 in the second square tubular portion 11b on the outdoor side, and each tip portion is bent toward the indoor side. ing. The frame material ridge 14 for the outer skin 10D can be attached to the ridge engaging portion 11f. The frame material ridge 14 has a flat plate-shaped ridge substrate portion 14a and an outer skin cover portion 14b extending in a direction perpendicular to the tip edge portion of the ridge substrate portion 14a. The base end edge portion of the ridge substrate portion 14a is provided with an engaging ridge 14c capable of engaging with the ridge engaging portion 11f of the frame main body portion 11. On the surface of the outer skin cover portion 14b facing the outer skin 10D, a gasket mounting portion 14d on which the outer gasket 15 for the outer skin 10D can be mounted is provided. When the frame material ridge 14 is engaged with the ridge engaging portion 11f of the frame main body 11 via the engaging ridge 14c, the outer skin cover portion 14b has an inner circumference of the flat plate-shaped portion 11c. The dimensions are set so as to be located on the outer peripheral side of the side prospective surface 11k.

The prospective sealing material mounting portions 11g and 11h are formed between a pair of fin-shaped portions protruding from the outer peripheral side of the first square tubular portion 11a toward the outer peripheral side, respectively. A sealing material 16 called a rain barrier can be attached to the prospective sealing material mounting portion 11g on the outdoor side, and a sealing material 17 called a wind barrier can be mounted on the prospective sealing material mounting portion 11h on the indoor side. It can be installed. The finding seal material mounting portion 11j is a groove-shaped portion provided on the inner peripheral side of the finding surface (first contact portion) 11d, and is open toward the room. The sealing material 18 can be mounted on the finding sealing material mounting portion 11j. The stile engaging portion 12b is a claw-shaped portion protruding from a prospective surface on the inner peripheral side of the protruding piece portion 12, and the tip portion is bent toward the outdoor side. It is possible to engage the attachment 50 provided on the stile 10G of the lower vision portion 10E1b, which will be described later, with the stile engaging portion 12b.

Like the upper frame 10A, the first transom frame 20A, the second transom frame 20B, and the vertical frame 20C are extruded profiles formed of an aluminum alloy, and as shown in FIG. 13, the transom square tube portion 51 And a pair of contact piece portions 52. The transom square tubular portion 51 has a rectangular tubular shape. The dimensions of the transom light tube portion 51 along the prospective direction are the same as the dimensions of the protruding piece portion 12 along the prospective direction. The pair of contact piece portions 52 are flat plate-shaped portions extending in a direction away from each other from a portion of the transom light tubular portion 51 located on the outdoor side. The protruding dimension of the contact piece portion 52 from the transom light tube portion 51 is the same as the protruding dimension of the finding surface (first contact portion) 11d from the protruding piece portion 12. In the present embodiment, the finding surface 52a facing the room in each of the contact piece portions 52 serves as the first corresponding contact portion, and the finding surface 51a facing the room of the transom light tube portion 51 serves as the second corresponding contact portion. It is equivalent.

The transom light tube portion 51 is provided with a stile engaging portion 51b, and the finding surface (first corresponding contact portion) 52a is provided with a finding sealing material mounting portion 52b. The stile engaging portion 51b is a claw-shaped portion protruding from the surface of the transom light tubular portion 51 along the prospective direction in the same direction as the contact piece portion 52, and the tip portion is bent toward the outdoor side. doing. The distance of the stile engaging portion 51b to the finding surface (first corresponding contact portion) 52a is the distance from the stile engaging portion 12b provided on the protruding piece portion 12 to the finding surface (first contact portion) 11d. Is the same as. Therefore, it is possible to engage the attachment 50 provided on the stile 10G that functions as the ridge of the lower vision portion 10E1b, which will be described later, with the stile engaging portion 51b. The finding seal material mounting portion 52b is a groove-shaped portion provided at a portion of each finding surface (first corresponding contact portion) 52a that serves as an extending edge portion of the contact piece portion 52, and is opened toward the room. ing. A sealing material 18 that can be mounted on the finding sealing material mounting portion 11j can be mounted on the finding sealing material mounting portion 52b.

The third transom frame 30 is an extruded shape member formed of a metal such as an aluminum alloy, and has a transom body portion 31 and a prospective protrusion 32 as shown in FIG. The transom light main body 31 has a trapezoidal tubular shape in which the lower wall 31a is horizontal and the upper wall 31b is gradually lowered toward the outside, and the dimension along the prospective direction is the frame main body 11 It is configured in the same way as. The prospective protrusion 32 is a flat plate-like portion extending inward from the finding surface 31c of the transom light main body 31 facing the room, and has a finding fin 33 at the extending edge. The finding fin portion 33 is a flat plate-shaped portion that extends vertically from the prospective protruding portion 32 along the vertical direction and is provided so as to face the finding surface 31c facing the room of the transom light main body portion 31. A base material 34 is attached to the found fin portion 33. The base material 34 is formed by connecting the upper wall portion 34a and the lower wall portion 34b forming two flat plates by a pair of connecting wall portions 34c, and a gasket 35 is interposed between the base material 34 and the finding fin portion 33 to find the base material 34. The fin portion 33 is held in a non-contact state with the fin portion 33.

A ridge mounting portion 36 is provided on the finding surface 31d facing the outside of the transom light main body portion 31, and two finding sealing material mounting portions 31e are provided on the finding surface 31c facing the room. The ridge mounting portion 36 is formed by projecting the claw-shaped member 36a from the inner peripheral side and the outer peripheral side of the transom light main body 31 toward the outside of the room, respectively. The individual tip portions of the claw-shaped member 36a are bent in directions facing each other. It is possible to mount the transom light ridge 37 for the outer skin 10D on the ridge mounting portion 36. The transom light edge 37 has a flat plate-shaped ridge substrate portion 37a and an outer skin cover portion 37b extending in a direction perpendicular to the tip edge portion of the ridge substrate portion 37a. The base end edge portion of the ridge substrate portion 37a is provided with an engaging piece portion 37c capable of engaging with the ridge mounting portion 36 of the frame main body portion 11. On the surface of the outer skin cover portion 37b facing the outer skin 10D, a gasket mounting portion 37d on which the outer gasket 15 for the outer skin 10D can be mounted is provided. A gasket mounting portion 37e on which the inner gasket 13 for the outer skin 10D can be mounted is provided on the surface of the engaging piece portion 37c facing the outer skin cover portion 37b. The finding seal material mounting portion 31e is a groove-shaped portion provided on the inner peripheral side and the outer peripheral side of the transom light main body portion 31, and each opens toward the room. The sealing material 18 can be mounted on the finding sealing material mounting portion 31e.

An outer guide 38 is provided on the lower surface of the transom light main body 31. The outer guide 38 is a plate-shaped member that extends vertically downward from the outdoor edge of the third transom frame 30 and then is slightly bent toward the indoor side. The downward extending dimension of the outer guide 38 is set to be larger than 1/2 of the distance to be secured between the outer guide 38 and the fourth transom frame 40.

The fourth transom frame 40 is an extruded shape material formed of a metal such as an aluminum alloy, and is formed in a trapezoidal tubular shape. That is, the fourth transom frame 40 is inclined so that the lower wall 40a is horizontal and the upper wall 40b is gradually downward toward the outside, and the dimension along the prospective direction is the third transom frame 30. It is configured to be about 1/3 of the transom light body 31. The finding surface 40c facing the outside of the fourth transom frame 40 is formed to have the same dimensions as the third transom frame 30. The fourth transom frame 40 is provided with a ridge mounting portion 41 on a finding surface 40c facing the outdoor side, and an inner guide portion 42 is integrally formed on the edge portion on the indoor side. The ridge mounting portion 41 has the same configuration as the ridge mounting portion 36 provided on the transom body portion 31, and the transom ridge 37 for the outer skin 10D can be mounted. The inner guide portion 42 is a flat plate-shaped portion extending upward along the finding wall 40d on the indoor side of the fourth transom frame 40. The upward extending dimension of the inner guide portion 42 is set to be substantially the same as the extending dimension of the outer guide 38.

The above-mentioned upper frame 10A, lower frame 10B, left and right vertical frames 10C, first transom frame 20A, second transom frame 20B, vertical frame 20C, third transom frame 30 and fourth transom frame 40 are applied. In order to form the curtain wall 1, the first transom frame 20A, the second transom frame 20B, and the vertical frame 20C are formed on the frame body 10 composed of the upper frame 10A, the lower frame 10B, and the left and right vertical frames 10C. , The third transom frame 30 and the fourth transom frame 40 are arranged, a face material to be the outer skin 10D is arranged on the outdoor side of the portion surrounded by these components, and the inner skin 10E is arranged on the indoor side. It suffices to arrange the face material which becomes.

More specifically, as shown in FIGS. 3, 6, and 7, the first transom frame 20A is arranged between the left and right vertical frames 10C at a position corresponding to the ceiling plate material C, and the first transom frame 20A is arranged. The second transom frame 20B is arranged at a position below the eye frame 20A. In the first transom frame 20A and the second transom frame 20B, the respective finding surfaces (first corresponding contact portions) 52a are the finding surfaces (first contact portions) 11d of the upper frame 10A and the lower frame 10B in the prospective direction. The pair of contact piece portions 52 are fixed to the left and right vertical frames 10C in a posture extending vertically with respect to the transom light tubular portion 51.

A third transom frame 30 is arranged in a portion above the first transom frame 20A, and a fourth transom frame 40 is arranged in a portion slightly above the first transom frame 20A. .. In the third transom frame 30, the finding surface (first corresponding contact portion) 52a is at the same position as the finding surface (first contact portion) 11d of the upper frame 10A and the lower frame 10B in the prospective direction, and the lower surface is horizontal. It is fixed to the left and right vertical frames 10C in such a posture. The fourth transom frame 40 is fixed to the left and right vertical frames 10C in a posture in which the finding surface 40c facing the outside is at the same position as the finding surface 31d facing the outside of the third transom frame 30 and the lower surface is horizontal. At this time, the gap between the outer guide 38 provided in the third transom frame 30 and the fourth transom frame 40 is between the inner guide portion 42 of the fourth transom frame 40 and the third transom frame 30. The position of the fourth transom frame 40 is set so as to be substantially the same as the gap of.

Between the left and right vertical frames 10C, the outdoor portion surrounded by the upper frame 10A and the third transom frame 30 and the outdoor portion surrounded by the fourth transom frame 40 and the lower frame 10B have frame material ridges, respectively. A face material to be the outer skin 10D is held via the 14 and the transom ridge 37. In the present embodiment, the float glass 10D1 is held for each of them. The endless outer gasket 15 held by the transom ridge 37 is pressed on the surface of each float glass 10D1 facing the outside, and the endless outer gasket 15 held by the frame ridge 14 is pressed on the surface facing the room. The inner gasket 13 of the above is pressure-welded on all four sides.

On the other hand, between the left and right vertical frames 10C, the indoor side portion surrounded by the upper frame 10A and the third transom frame 30 and the indoor side portion surrounded by the third transom frame 30 and the first transom frame 20A , Between the finding surface (first contact portion) 11d and the panel pressing member 60, and between the finding surface (first corresponding contact portion) 52a and the panel pressing member 60, respectively, with the inner skin 10E of the spandrel portion. The face material is held. The panel holding member 60 is an L-shaped metal member, and has an upper frame so as to face the finding surface (first contact portion) 11d and the finding surface (first corresponding contact portion) 52a. It is attached to the protruding piece portion 12 of the vertical frame 10A and the vertical frame 10C, the transom square tube portion 51 of the first transom frame 20A, and the base material 34 of the third transom frame 30. In the present embodiment, the fireproof panel 10E2 is held by each of the inner skins 10E of the spandrel portion. On the surface of each refractory panel 10E2 facing the outside, endless sealing materials 18 held by the found sealing material mounting portions 11j, 31e, and 52b are pressure-welded on four circumferences.

Further, a vertical bone frame 20C is arranged in the middle of the indoor side portion surrounded by the first transom frame 20A and the second transom frame 20B between the left and right vertical frames 10C, and the vertical bone frame 20C is arranged. The upper left vision unit 10E1aL and the upper right vision unit 10E1aR are arranged for each portion surrounded by 20C. Further, a single lower vision portion 10E1b is arranged in the indoor side portion surrounded by the second transom frame 20B and the lower frame 10B between the left and right vertical frames 10C. The upper left vision unit 10E1aL, the upper right vision unit 10E1aR, and the lower vision unit 10E1b are configured by attaching stiles 10H and 10G to the four circumferences of a double glazing (panel) 61 having translucency, respectively.

The upper left vision unit 10E1aL and the upper right vision unit 10E1aR have a friction stay 62 so that the edge close to the vertical bone frame 20C serves as a door tip, and this door end serves as a movable shoji for a vertical sliding window protruding toward the indoor side. It is supported by the first transom frame 20A and the second transom frame 20B via. As shown in FIGS. 6, 7, 9, and 10, the stiles 10H of the upper left vision unit 10E1aL and the upper right vision unit 10E1aR face the room of the movable stile base 63 having a rectangular tubular shape and the movable stile base 63. It has a movable contact fin portion 64 extending from the edge portion toward the outer periphery of each upper left vision portion 10E1aL and upper right vision portion 10E1aR, and the finding surface 63a facing the outside of the movable stile base 63 is a structural seal. The material 65 is attached to the surface of the double glazing 61 facing the room and integrated. The movable contact fin portion 64 is provided with a mounting portion 67 for holding the face material side sealing material 66 at a portion of the extending edge portion facing the outside.

In the upper left vision unit 10E1aL and the upper right vision unit 10E1aR provided with the above-mentioned stile 10H, when the curtain wall 1 is closed, the endless sealing material 18 held by the respective found sealing material mounting portions 11j and 52b It is pressure-welded to the four circumferences of the surface of the double glazing 61 facing the outside. Further, the face material side sealing material 66 held by the mounting portion 67 of the stile 10H is in a state of being pressed against the flat surface (second contact portion) 12a and the finding surface (second corresponding contact portion) 51a. At this time, the movable stile base 63 of the stile 10H provided on the four circumferences of the upper left vision portion 10E1aL and the upper right vision portion 10E1aR has the outer skin 10D and the inner skin at a height position corresponding to the vision portion on the inner peripheral side of the prospective surface 63b. The dimensions of the frame material that holds both of the 10Es, that is, the lower frame 10B and the flat plate-shaped portions 11c of the left and right vertical frames 10C, are set so as to be the same as the prospective surface 11k on the inner peripheral side. Reference numeral 10K in the drawing is a handle provided on the 10H stile which is the door end for opening / closing the upper left vision unit 10E1aL and the upper right vision unit 10E1aR.

As shown in FIGS. 5, 7, and 11, the stile 10G that functions as the ridge of the lower vision portion 10E1b has a rectangular tubular fixed stile base 68 and an outer circumference from the edge of the fixed stile base 68 facing the room. It has a fixed contact fin portion 69 extending toward the surface. In this stile 10G, the finding surface 68a of the fixed stile base 68 facing the outside is attached to the surface of the double glazing 61 facing the inside of the double glazing 61 by the sealing material 65. A sealing material 70 is attached to the fixed contact fin portion 69, and an attachment 50 is attached to the fixing frame base portion 68 on the finding surface on the outer peripheral side. The sealing material 70 is provided so as to cover the entire surface of the fixed contact fin portion 69 facing the outdoor side. The attachment 50 has a heat insulating material 71 interposed between the attachment 50 and the fixed stile base 68, and is attached to the fixed stile base 68 in a non-contact state with the fixed stile base 68. The attachment 50 extends along the finding surface of the fixed stile base 68, and the edge on the indoor side abuts on the sealing material 70, while the edge on the outdoor side exceeds the fixed stile base 68 and the double glazing 61 It protrudes to the part corresponding to the end face of. The edge portion extending to the outdoor side of the attachment 50 is bent toward the outer peripheral side and then toward the indoor side, and the respective stiles provided on the protruding piece portion 12 and the transom light tube portion 51 are provided. It is possible to engage the joints 12b and 51b.

The lower vision portion 10E1b provided with the above-mentioned stile 10G engages the attachment 50 with the stile engaging portion 12b of the protruding piece portion 12 and the stile engaging portion 51b of the transom light tube portion 51, thereby causing the left and right vertical frames. It is fixed as a fixed shoji to 10C, the lower frame 10B and the second transom frame 20B. In the lower vision portion 10E1b, the endless sealing material 18 held by the finding sealing material mounting portions 11j and 52b, respectively, is pressed against the four circumferences of the surface of the double glazing 61 facing the outside. Further, the sealing material 70 provided on the fixed contact fin portion 69 is pressed against the flat surface (second contact portion) 12a and the finding surface (second corresponding contact portion) 51a. At this time, in the fixed stile base portion 68 of the stile 10G provided on the four circumferences of the lower vision portion 10E1b, the prospective surface 68b on the inner peripheral side has a lower vision on the inner peripheral side prospective surface 11k and the contact piece portion 52 of the flat plate-shaped portion 11c. The dimensions are set so that they are located on the same or outer peripheral side with respect to the prospective surface 52c on the inner peripheral side of the portion 10E1b.

As shown in FIG. 5, the air supply port 73 penetrates the lower frame 10B of the curtain wall 1 into a portion of the frame main body 11 that is further outdoor than the prospective sealing material mounting portion 11g on the outdoor side. It is provided in. Further, on the lower surface of the third transom frame 30, a light-shielding blind 80 having a size capable of reaching the lower frame 10B is arranged at a portion between the fourth transom frame 40 and the refractory panel 10E2. I try to set it up. Further, a plurality of louvers 81 are attached at equal intervals between the third transom frame 30 and the fourth transom frame 40 at a portion outside the outer guide 38.

In the curtain wall 1 configured as described above, the intermediate air layer 10F is formed between the outer skin 10D and the inner skin 10E at a position below the third transom frame 30. Specifically, the fire resistance between the float glass 10D1 between the fourth transom frame 40 and the lower frame 10B, which is the outer skin 10D, and the third transom frame 30 and the first transom frame 20A, which are the inner skin 10E. Between the panel 10E2, the upper left vision unit 10E1aL and the upper right vision unit 10E1aR between the first transom frame 20A and the second transom frame 20B, and the lower vision unit 10E1b between the second transom frame 20B and the lower frame 10B. The intermediate air layer 10F is configured.

Therefore, in the living space D of the building, the intermediate air layer 10F is interposed between the living space D and the outdoor atmosphere, which is advantageous in terms of heat insulation. Moreover, the movable shoji, which is the inner skin 10E between the first transom frame 20A and the second transom frame 20B facing the living space D, can be opened to the indoor side as a vertical sliding window. Therefore, it is possible to clean the surface of the movable shoji facing the outside of the room and the surface of the float glass 10D1 which is the outer skin 10D facing the inside of the room from the living space D, and maintenance can be easily performed. At this time, in each curtain wall 1, the inner skin 10E of the vision portion is divided into a movable shoji and a fixed shoji, and the movable shoji is further divided into left and right, so that the parts to be handled are in a miniaturized state. Not only can maintenance be facilitated, but also transportation work and assembly work when assembling the curtain wall 1 can be further facilitated. Further, outdoor air is introduced into the intermediate air layer 10F of the curtain wall 1 from the air supply port 73 provided in the lower frame 10B, while the introduced air is introduced into the third transom frame 30 and the fourth transom frame. It is discharged to the outside from the exhaust port 10F1 configured between the 40 and the 40. Therefore, by opening the movable shoji, it is possible to introduce outside air into the living space D.

Further, in the curtain wall 1, the upper left vision portion 10E1aL, the upper right vision portion 10E1aR, and the lower vision portion 10E1b arranged in the vision portion of the inner skin 10E are on the outer peripheral side of the inner peripheral side prospective surface of the vertical frame 10C and the lower frame 10B. It is in contact with the finding surface (first contact portion) 11d and the flat surface (second contact portion) 12a, and the inner peripheral side prospective surface of the stile is on the inner peripheral side prospective surface of the vertical frame 10C and the lower frame 10B. On the other hand, it is located on the same plane or on the outer peripheral side. Similarly, the upper left vision unit 10E1aL, the upper right vision unit 10E1aR, and the lower vision unit 10E1b have a finding surface (the first) that is on the outer peripheral side of the first transom frame 20A and the second transom frame 20B with respect to the inner peripheral side prospective surface. 1 Corresponding contact part) 52a and finding surface (second corresponding contact part) 51a, and the inner peripheral side prospective surface of the stile is the inner peripheral side of the first transom frame 20A and the second transom frame 20B. It is located on the same plane as the prospective surface or on the outer peripheral side.

Further, the float glass 10D1 arranged in the vision portion of the outer skin 10D is held between the prospective surface of the vertical frame 10C and the lower frame 10B facing the outside and the frame material ridge 14, and the float glass is held at the frame material ridge 14. The portion of the 10D1 facing the outdoor surface is located at a portion where the extending edge portion is the same as the inner peripheral side prospective surface of the vertical frame 10C and the lower frame 10B, or is on the outer peripheral side. Similarly, the float glass 10D1 arranged in the vision portion of the outer skin 10D is held between the prospective surface of the fourth transom frame 40 facing the outside and the transom ridge 37, and the float glass is held at the transom ridge 37. The portion of the 10D1 facing the outdoor surface is located at a portion where the extending edge portion is the same as the inner peripheral side prospective surface of the fourth transom frame 40 or is on the outer peripheral side.

Therefore, according to the curtain wall 1, when viewed from the living space D, the vertical frame 10C, the inner peripheral side prospective surface of the lower frame 10B, the first transom frame 20A, the second transom frame 20B, and the second transom light frame 20B are seen in the vision unit. 4 There is no member protruding from the inner peripheral side prospective surface of the transom frame 40 to the inner peripheral side. Therefore, the design of the curtain wall 1 is not impaired and the lighting property in the room is not impaired.

In addition, in the curtain wall 1, the members arranged in the outdoor or intermediate air layer 10F in the vision portion are not directly exposed and arranged in the room. That is, in the first transom frame 20A and the vertical bone frame 20C, the portion facing the room is almost covered by the stile of the movable shoji. Moreover, a sealing material 18 that functions as a heat insulating material 71 is interposed between the frame of the movable shoji and the first transom frame 20A and the vertical bone frame 20C. Even in the vertical frame 10C and the second transom frame 20B, the part facing the room is almost covered by the stile of the movable shoji and the stile of the fixed shoji, and each of the stiles has the vertical frame 10C and the second transom. A sealing material 18 that functions as a heat insulating material 71 is interposed between the eye frame 20B, and a heat insulating material 71 is interposed between the attachment 50 and the stile of the fixed shoji that functions as a ridge. In the lower frame 10B, the part facing the room is almost covered by the stile of the fixed sash, and the stile of the fixed sash has a sealing material 18 that functions as a heat insulating material 71 between the lower frame 10B and the stile. A heat insulating material 71 is interposed between the attachment 50 and the stile of the fixed shoji. Therefore, even when the temperature difference between the outdoor and the indoor is large, there is no possibility of causing a problem such as dew condensation on the stile of the movable shoji and the stile of the fixed shoji.

In the above-described embodiment, since the upper frame 10A, the lower frame 10B, and the left and right vertical frames 10C having the same cross-sectional shape are applied, it is possible to reduce the number of members. .. However, in the present invention, the upper frame, the lower frame, and the left and right vertical frames do not necessarily have the same cross-sectional shape. Similarly, the first transom frame 20A and the second transom frame 20B have the same cross-sectional shape, but the first transom frame and the second transom frame also have the same cross-sectional shape. You don't have to have. Further, since the frame main body 11 is formed in a square tubular shape, the hollow portion is advantageous in terms of heat insulation, but the frame main body does not necessarily have to have the hollow portion.

Further, in the above-described embodiment, the inner peripheral side prospective surface 63b of the stile 10H is configured to be the same as the inner peripheral side prospective surface 11k of the frame body 10, but the inner peripheral side prospective surface of the stile 10H is expected. The surface 63b may be located on the outer peripheral side of the inner peripheral side prospective surface 11k of the frame body 10. Similarly, in the frame material ridge 14, the outer skin cover portion 14b facing the surface of the outer skin 10D facing the outside is a portion whose extending edge portion is on the outer peripheral side with respect to the inner peripheral side prospective surface 11k of the frame body 10. However, the extending edge portion of the outer skin cover portion 14b may be configured to be the same with respect to the inner peripheral side prospective surface 11k.

1 Curtain wall, 10 frame, 10A upper frame, 10B lower frame, 10C vertical frame, 10D outer skin, 10E inner skin, 10E1 vision part, 10E1a upper vision part, 10E1aL upper left vision part, 10E1aR upper right vision part, 10E1b lower vision Part, 10G, 10H frame, 11 frame body part, 11c flat plate part, 11d finding surface, 11k prospective surface, 12 protruding piece part, 12a flat surface, 14 frame material ridge, 14b outer skin cover part, 18 sealing material, 20A 1 transom frame, 20B second transom frame, 20C vertical frame, 51 transom square tube, 51a finding surface, 52a finding surface, 60 panel holding member, 70 sealing material, 71 heat insulating material, D living space, E Attic space

Claims (10)

By arranging the outer skin on the outdoor side and the inner skin on the indoor side in a frame having upper and lower horizontal frames and left and right vertical frames, a spandrel portion facing the upper and lower boundary portions of the building and the building It is a curtain wall that constitutes a vision section facing the living space.
The vision portion of the inner skin is provided with a stile at the edge of the translucent panel.
The frame material that holds both the outer skin and the inner skin at a height position corresponding to the vision portion extends along the prospective direction and forms a flat plate shape forming the inner peripheral side prospective surface of the frame body. The first contact portion and the second contact portion are provided, and the portions facing the room on the outer peripheral side of the inner peripheral side prospective surface of the frame body and having different distances from the outer skin are provided. There is a part,
The vision portion of the inner skin has an edge portion that is in contact with the first contact portion and the second contact portion via a sealing material, and the inner peripheral side prospective surface of the stile is the frame body. A curtain wall characterized in that it is located on a plane that is the same as or on the outer peripheral side of the inner peripheral side prospective surface. The frame material has a frame main body portion having a hollow rectangular parallelepiped shape, and a protruding piece portion protruding inward from a portion of the frame main body portion that is on the outer peripheral side of a finding surface facing the room.
The first contact portion is formed on the finding surface of the frame main body portion facing the room, and the second contact portion is formed on the finding surface of the protruding piece portion facing the room. The curtain wall according to claim 1. The vision portion of the inner skin has the stile attached to the surface of the panel facing the room, and the sealing material is interposed between the panel and the first contact portion, and the stile and the stile are described. The curtain wall according to claim 2, wherein the sealing material is interposed between the second contact portion. The frame material extends from the outer peripheral side of the frame main body to the outside beyond the finding surface of the frame main body facing the outside, and then faces the finding surface of the frame main body facing the outside. The ridge of the frame material extending as described above is arranged, and the rim of the outer skin is held between the frame body and the ridge of the frame material.
The portion of the ridge of the frame material facing the surface of the outer skin facing the outside is located at a portion where the extending edge portion is the same as or on the outer peripheral side of the inner peripheral side prospective surface of the frame body. The curtain wall according to claim 2, wherein the curtain wall is characterized in that. The upper and lower horizontal frames and the left and right vertical frames are configured to have the same cross-sectional shape.
A panel holding member is attached to the protruding piece portion of the upper horizontal frame so as to face the first contact portion.
The curtain wall according to claim 2, wherein the spandrel portion of the inner skin has an upper edge portion held between the first contact portion and the panel pressing member. Between the left and right vertical frames, a first transom light frame is provided along the left and right at a portion of the inner skin that serves as a boundary between the vision portion and the spandrel portion.
The lower edge portion of the first transom light frame is provided with a first corresponding contact portion corresponding to the first contact portion and a second corresponding contact portion corresponding to the second contact portion.
The curtain wall according to claim 2, wherein the upper edge portion of the vision portion in the inner skin is in contact with the first corresponding contact portion and the second corresponding contact portion via a sealing material. .. Between the left and right vertical frames, a second transom frame is provided along the left and right so as to divide the vision portion of the inner skin into upper and lower parts, and the upper edge portion and the lower edge portion of the second transom frame are provided. Is provided with a first corresponding contact portion corresponding to the first contact portion and a second corresponding contact portion corresponding to the second contact portion, respectively.
The vision section of the inner skin includes an upper vision section between the first transom frame and the second transom frame, and a lower vision section between the second transom frame and the lower horizontal frame. It is configured with
The lower edge portion of the upper vision portion abuts on the first corresponding contact portion and the second corresponding contact portion of the second transom frame via the sealing material, and the upper edge portion of the lower vision portion The curtain wall according to claim 6, wherein the curtain wall is in contact with the first corresponding contact portion and the second corresponding contact portion of the second transom frame via a sealing material. The lower vision portion is provided with an engaging member via a heat insulating material at a portion that becomes an outer periphery of the stile, and is engaged with a protruding piece portion of the frame material via the engaging member. The curtain wall according to claim 7. Between the first transom frame and the second transom frame, vertical bone frames are provided along the top and bottom so as to divide the upper vision portion into left and right.
A first corresponding contact portion corresponding to the first contact portion and a second corresponding contact portion corresponding to the second contact portion are provided on both side edges of the vertical bone frame, respectively.
The upper vision unit is configured to include an upper left vision unit and an upper right vision unit between the vertical bone frame and the left and right vertical frames, respectively.
The claim is characterized in that each of the upper left vision portion and the upper right vision portion is in contact with the first corresponding contact portion and the second corresponding contact portion of the vertical bone frame via a sealing material. The curtain wall according to 7. The curtain wall according to claim 9, wherein the upper left vision portion and the upper right vision portion are supported so as to open to the indoor side with a portion abutting on the vertical bone frame as a door end.

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