JP2016188498A - Curtain wall and building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a curtain wall capable of obtaining desired appearance quality at low costs and a building having the curtain wall.SOLUTION: An intermediate horizontal material 14e of a frame body 14 constituting a curtain wall 10 includes: an upper member 48 closing the upper part of an intermediate air layer 31; and a lower member 50 disposed via a gap with respect to the upper member 48 at the lower part of the upper member 48, and an exhaust port 31b of the intermediate air layer 31 is formed between an outdoor side edge part 58 of the upper member 48 and an outdoor side edge part 59 of the lower member 50. Then, an outdoor side glass 29 of a vision part 10b is disposed via a lower horizontal gasket 62 extending in the longitudinal direction of the lower member 50 with respect to a lower depth surface 59a of the outdoor side edge part 59 of the lower member 50, and an outdoor side panel 27 of a spandrel part 10a is disposed via an upper horizontal gasket 60 extending in the longitudinal direction of the upper member 48 with respect to an upper depth surface 58a of the outdoor side edge part 58 of the upper member 48.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a curtain wall constituting an outer wall of a building and a building including the curtain wall.

  In general, the outer wall of a building is the boundary between the upper floor and the lower floor formed between the window (vision section) facing the living space between the floor and the ceiling, and the ceiling of the lower floor and the floor of the upper floor ( And a spandrel portion) are alternately arranged in the vertical direction.

  As a curtain wall constituting such an outer wall, the applicant of the present application, for example, in Patent Document 1, communicates with the outside between the indoor side glass (inner skin) and the outdoor side glass (outer skin) of the vision unit. A so-called unit-type double skin structure is proposed in which an intermediate air layer is provided and the spandrel part and the vision part are surrounded by a frame. In this configuration, the intermediate air layer is limited to the vision part only by providing an exhaust port for the intermediate air layer in the seamless (intermediate cross member) provided between the vision part and the spandrel part. By reducing the volume and intake / exhaust port, the appearance quality of the building can be improved and the cost can be reduced.

Japanese Patent No. 5299953

  In the configuration of Patent Document 1, an exhaust port is provided in the intermediate cross member in order to provide an exhaust port in the upper part of the vision unit. Specifically, the upper edge and the lower edge of the exhaust port formed at the outdoor end of the intermediate cross member are respectively attached with the press ledges extending in the longitudinal direction of the intermediate cross member, and the outer edges of the spandrel portion and the vision portion are attached by the press rims. Keeps the skin and at the same time secures water-stop.

  However, in this configuration, the outer skin between the vision part and the spandrel part has an appearance that is clearly divided into two upper and lower parts by pressing edges attached to the intermediate cross member. As a result, due to the exterior design of the building, it has not been possible to meet the desire to make the outer skin look like a single piece of glass. Moreover, in this structure, since it is necessary to mount | wear with a pressing edge to an intermediate cross member, the part cost and construction cost for it are required.

  The present invention has been made in consideration of the above-described problems of the prior art, and an object thereof is to provide a curtain wall capable of obtaining a desired appearance quality at a low cost and a building including the curtain wall.

  The curtain wall according to the present invention has an upper cross member, a lower cross member, and left and right vertical members, and an intermediate cross member extending between the left and right vertical members is provided between the upper cross member and the lower cross member. A vision part is formed between the intermediate cross member and the lower cross member and facing the living space of the building, and the upper and lower floors of the building are formed between the upper cross member and the intermediate cross member. A spandrel portion facing the boundary portion is formed, and an intermediate air layer communicating with the outside is formed between the indoor side surface material and the outdoor side surface material of the vision portion by the lower intake port and the upper exhaust port. The intermediate cross member includes an upper member that closes an upper portion of the intermediate air layer, and a lower member that is disposed below the upper member with a gap with respect to the upper member. The exhaust port is located between the outdoor side edge of the upper member and the outdoor side edge of the lower member. The outdoor side material is arranged via a first lateral water-proof material extending over the longitudinal direction of the lower member, with respect to the lower prospective surface of the outdoor side edge of the lower member, The face material of the spandrel part is arranged with respect to the upper prospective surface of the outdoor side edge part of the upper member through a second lateral water blocking material extending over the longitudinal direction of the upper member. .

  According to such a configuration, the first lateral blocking water is respectively applied to the upper prospective surface and the lower prospective surface of the outdoor side edge portion of the intermediate transverse member that forms the exhaust port of the intermediate air layer. The outdoor side surface material of the vision part and the surface material of the spandrel part are arranged through the material and the second lateral water blocking material. As a result, there is no need to attach an attachment such as a ledge to the outdoor side surface of this intermediate cross member, and the exterior design is such that the outdoor side surface material of the vision part that becomes the outer skin and the surface material of the spandrel part are formed in a single plate shape. Become. As a result, high appearance quality can be ensured, and the part cost and construction cost for the omitted ledge can be reduced.

  In the curtain wall according to the present invention, the outdoor side ends of the left and right vertical members extend in the longitudinal direction of the vertical member, and the outdoor side surface material of the vision unit and the vertical member are interposed between the vertical members and the vertical member. A pressing edge for holding the face material of the spandrel portion is mounted, and extends between the pressing edge and the outdoor side surface material and the face material in the longitudinal direction of the vertical member, and is provided on the intermediate cross member. Further, a configuration in which a vertical water stop material in contact with the first horizontal water stop material and the second horizontal water stop material is provided may be employed. If it does so, the water stop at the edge part of an intermediate crosspiece can be ensured.

  The curtain wall which concerns on this invention WHEREIN: It is good also as a structure which provided the auxiliary water stop material which contacts the said vertical water stop material in the edge part part covered with the said vertical water stop material of the said exhaust port. If it does so, since even between the part in which the exhaust port was formed, between the vertical water stop material and the outdoor side surface of an intermediate cross member can be continued by an auxiliary water stop material, still higher water stop property can be ensured.

  The building according to the present invention is characterized in that the curtain wall having the above-described configuration is used as an outer wall.

  According to the present invention, it is not necessary to attach an attachment such as a pressing edge to the outdoor side surface of the intermediate cross member provided with the exhaust port, and one sheet of the outdoor side surface material of the vision portion serving as the outer skin and the surface material of the spandrel portion. Appearance design formed in a plate shape. As a result, high appearance quality can be ensured, and the part cost and construction cost for the omitted ledge can be reduced.

FIG. 1 is an enlarged front view of a main part of a building having a curtain wall according to an embodiment of the present invention as viewed from the outdoor side. FIG. 2 is a longitudinal sectional view of the building shown in FIG. 1 in the vicinity of the curtain wall. 3 is a cross-sectional view taken along line III-III in FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. FIG. 5 is a cross-sectional view taken along line VV in FIG. 6 is a cross-sectional view taken along line VI-VI in FIG. FIG. 7 is a partial cross-sectional perspective view showing the configuration near the end of the intermediate cross member, and FIG. 7 (A) is a view showing a state before the pressing edge and the vertical gasket are attached to the vertical member. 7 (B) is a view showing a state in which the pressing edge and the vertical gasket are attached to the vertical member from the state shown in FIG. 7 (A). FIG. 8 is a front view showing the configuration near the end of the intermediate cross member.

  Hereinafter, a curtain wall according to the present invention will be described in detail with reference to the accompanying drawings by giving preferred embodiments in relation to a building having the curtain wall.

  FIG. 1 is an enlarged front view of a main part of a building 12 having a curtain wall 10 according to an embodiment of the present invention as viewed from the outdoor side, and FIG. 2 is a view in the vicinity of the curtain wall 10 of the building 12 shown in FIG. FIG.

  As shown in FIGS. 1 and 2, the curtain wall 10 constitutes the outer wall 12 a of the building 12. The curtain wall 10 has a unit structure in which a spandrel part 10a and a vision part 10b are arranged vertically on the inside of the frame body 14, and the spandrel part 10a and the vision part 10b are arranged by arranging each unit vertically and horizontally as an outer wall 12a. Alternatingly arranged in the vertical direction.

  The building 12 includes a floor 20 provided with a floor plate 19 on the upper surface side of the floor slab 18 attached to the housing 16, and a ceiling 22 suspended and supported on the lower surface side of the floor slab 18. The building 12 has a boundary portion 12b between the lower surface of the floor 22 and the upper surface of the ceiling 22, and a living space 12c between the lower surface of the ceiling 22 and the upper surface of the floor 20.

  In the curtain wall 10, the spandrel portion 10a faces the boundary portion 12b and becomes the outer wall 12a of the boundary portion 12b, and the vision portion 10b faces the living space 12c and becomes the outer wall 12a of the living space 12c. As described above, the spandrel portion 10a and the vision portion 10b are held inside one frame body 14 to form a unit structure.

  The frame body 14 is configured by a four-round framework of an upper horizontal member (upper frame) 14a, a lower horizontal member (lower frame) 14b, and left and right vertical members (vertical frames) 14c and 14d. The upper horizontal member 14a and the lower horizontal member An intermediate cross member (intermediate frame) 14e is provided between the left and right vertical members 14c and 14d. Each material 14a-14e is a metal extrusion shape material, such as aluminum, for example. The frame body 14 is fixed to the housing 16 using a fastener 24.

  The curtain wall 10 is formed with a spandrel portion 10a by attaching an indoor side panel 26 and an outdoor side panel (surface material) 27 to a portion surrounded by an upper horizontal member 14a, an intermediate horizontal member 14e, and left and right vertical members 14c, 14d. The vision portion is obtained by attaching the indoor side glass (interior side material) 28 and the outdoor side glass (outside side material) 29 to a portion surrounded by the intermediate cross member 14e, the lower cross member 14b, and the left and right vertical members 14c, 14d. 10b is formed. The indoor side glass 28 which comprises the vision part 10b is provided in the shoji 30 supported so that opening and closing with respect to the frame 14 was possible.

  The curtain wall 10 is a so-called double air in which an intermediate air layer 31 is formed between the indoor side glass 28 and the outdoor side glass 29 of the vision unit 10b and communicates with the outside through a lower intake port 31a and an upper exhaust port 31b. It has a skin structure.

  3 is a cross-sectional view taken along line III-III in FIG. 1, and FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 5 is a cross-sectional view taken along the line VV in FIG. 1, and FIG. 6 is a cross-sectional view taken along the line VI-VI in FIG.

  As shown in FIG. 3, in the portion corresponding to the spandrel portion 10a, one longitudinal member 14c has a laterally-facing concave surface member arrangement portion 32 in which the indoor side panel 26 is arranged on the prospective surface at the indoor side edge portion. Then, a laterally-facing concave face material arrangement portion 33 in which the outdoor side panel 27 is arranged on the prospective surface is provided on the outdoor side edge portion. Further, as shown in FIG. 4, in the portion corresponding to the vision portion 10 b, the vertical member 14 c has a face material arrangement portion 34 where the side edge portion of the shoji 30 is arranged at the indoor side edge portion, A portion 33 is provided on the outdoor edge.

  The face material arrangement part 32 is provided between the protruding piece 32a protruding in the in-plane direction from the prospective surface of the vertical member 14c and the L-shaped pressing piece 32b attached and fixed to the prospective surface of the vertical member 14c. The side edge of the panel 26 is held. The face material arrangement part 33 holds the side edge part of the outdoor panel 27 between the pressing edge 33a attached to the outdoor end part of the vertical member 14c and the outdoor end face 33b of the vertical member 14c. The pressing edge 33a extends in the longitudinal direction of the longitudinal member 14c, and has a longitudinal gasket (vertical water stop material) 35 that extends in the longitudinal direction of the longitudinal member 14c with the outdoor panel 27. The water is stopped. The face material arrangement part 34 is a part where the side edge part of the shoji 30 is arranged, and the protruding piece 32 a is a door stop of the shoji 30. The vertical gasket 35 is made of rubber, for example.

  In the case of this embodiment, the indoor side panel 26 is constituted by a board-like panel material having fire resistance, and the outdoor side panel 27 is constituted by a float glass plate. Moreover, the indoor side glass 28 is comprised by the double glazing which arrange | positioned two glass plates which have heat insulation and heat insulation through the gap | interval, and the outdoor side glass 29 is comprised by the float glass plate.

  The other longitudinal member 14d has substantially the same configuration as that of the longitudinal member 14c except that it has a bilaterally symmetric shape. Therefore, the same reference numerals as those of the longitudinal member 14c are attached and detailed description thereof is omitted. That is, in the portion corresponding to the spandrel portion 10a, the vertical member 14d has the face material arrangement portion 32 at the indoor side edge portion thereof and the face material arrangement portion 33 at the outdoor side edge portion thereof. Further, in the portion corresponding to the vision part 10b, the vertical member 14d has a face material arrangement part 34 at the indoor side edge thereof and a face material arrangement part 33 at the outdoor side edge thereof. Also in the vertical member 14d, a vertical gasket 35 is provided between the pressing edge 33a and the outdoor panel 27.

  As shown in FIG. 4, the shoji 30 has a suspension base rod 30c supported by a surface material arrangement portion 34 of the vertical member 14c via a hinge 36, and a door end rod 30d having a surface material arrangement portion 34 of the vertical material 14d. It is arranged. The indoor side glass 28 of the vision unit 10b is held by the upper and lower ledges 30a, 30b, the hanging ledge 30c and the door-end ledge 30d of the shoji 30 (see also FIGS. 5 and 6).

  As shown in FIG. 6, the upper cross member 14a has a downward-facing concave face material arrangement portion 38 in which the indoor side panel 26 is arranged on the prospective surface at the indoor side edge portion, and the outdoor panel 27 is on the prospective surface. A downward-facing concave face material arrangement portion 39 to be arranged is provided on the outdoor edge.

  The face material arrangement portion 38 is provided between the finding surface 38a facing the indoor side of the upper cross member 14a and the L-shaped pressing piece 38b attached and fixed to the prospective surface of the upper cross member 14a. It holds the upper edge of. The face material arrangement portion 39 holds the upper edge portion of the outdoor panel 27 between the pressing edge 39a attached to the outdoor side end portion of the upper cross member 14a and the outdoor side end surface 39b of the upper cross member 14a. is there. The pressing edge 39a extends in the longitudinal direction of the upper cross member 14a, and has an upper gasket 40 extending in the longitudinal direction of the upper cross member 14a between the outer side panel 27 and the water stop. Made. The upper gasket 40 is made of rubber, for example, and is continuous with the left and right vertical gaskets 35.

  As shown in FIG. 6, the lower cross member 14 b has a face material placement portion 42 where the shoji 30 is placed at the indoor side edge, and an upward concave face material where the outdoor side glass 29 is placed on the prospective surface. The arrangement part 43 is provided on the outer edge of the outdoor side.

  The face material arrangement portion 42 is a portion where the lower edge portion of the shoji 30 is arranged, and the finding surface 42 a facing the indoor side of the lower cross member 14 b is a door stop of the shoji 30. The face material arrangement portion 43 holds the lower edge portion of the outdoor glass 29 between the pressing edge 43a attached to the outdoor side end portion of the lower horizontal member 14b and the outdoor side end surface 43b of the lower horizontal material 14b. is there. The pressing edge 43a extends in the longitudinal direction of the lower cross member 14b, and has a lower gasket 44 extending in the longitudinal direction of the lower cross member 14b between the outdoor glass 29 and the water stop. Made. The lower gasket 44 is made of rubber, for example, and is continuous with the left and right vertical gaskets 35. That is, in the curtain wall 10, the upper gasket 40, the lower gasket 44, and the left and right vertical gaskets 35 are disposed across the outdoor ends of the upper horizontal member 14 a, the lower horizontal member 14 b, and the left and right vertical members 14 c and 14 d. Thus, the water stop structure is continuous so as to surround the four circumferences of the unit constituted by the frame body 14. The upper gasket 40, the lower gasket 44, and the left and right vertical gaskets 35 are integrally formed in four directions.

  The lower cross member 14b is formed with slit-like communication holes 46a and 46b that are open so as to penetrate the upper and lower surfaces at a position on the back side (inner side) of the outdoor side end surface 43b. A plurality of the communication holes 46a and 46b are arranged in parallel in the longitudinal direction of the lower cross member 14b, thereby allowing the intermediate air layer 31 to communicate with the outdoors. That is, the pressing edge 43a of the lower cross member 14b forms an intake port 31a by providing a predetermined gap with the pressing edge 39a of the upper cross member 14a of the lower floor unit. As a result, the air introduced from the outside to the intake port 31a flows into the intermediate air layer 31 through the communication hole 46a, flows upward, and is discharged from the upper exhaust port 31b to the outside again.

  As shown in FIG. 5, the intermediate cross member (seamless) 14 e includes an upper member 48 that closes an upper portion of the intermediate air layer 31 formed between the indoor side glass 28 and the outdoor side glass 29 of the vision unit 10 b, The lower member 50 is disposed in the intermediate air layer 31 below the upper member 48 and disposed with respect to the upper member 48 via a predetermined gap.

  The upper member 48 has a rectangular hollow indoor side portion 48 a and a lid portion 48 b that is connected to the indoor side portion 48 a via a sealing material 52 and closes the upper portion of the intermediate air layer 31.

  The indoor side portion 48a is provided with a face material arrangement portion 54 on its upper surface and a face material arrangement portion 55 on its lower surface. The face material arrangement portion 54 is located between the protruding piece 54a protruding in the in-plane direction from the upper surface of the indoor side portion 48a and the L-shaped pressing piece 54b attached and fixed to the upper surface of the indoor side portion 48a. The lower edge of the panel 26 is held. The face material arrangement part 55 is a part where the upper edge part of the shoji 30 is arranged, and the protruding piece 55a projecting in the in-plane direction from the upper surface of the indoor side part 48a is a door stop of the shoji 30.

  The lid portion 48b extends horizontally from the indoor side end connected to the indoor side portion 48a toward the outdoor side end, then inclines downward, and then extends downward and then extends horizontally. The cross section is substantially L-shaped. An upper end portion of a blind 56 disposed on the upper and lower sides of the intermediate air layer 31 is attached to a horizontal portion on the indoor side of the lid portion 48b. The lower end of the blind 56 is attached to the lower cross member 14b (see FIG. 6). The outdoor side edge 58 which is the horizontal part of the outdoor side of the lid part 48 b forms an exhaust port 31 b by providing a predetermined gap with the outdoor side edge 59 of the lower member 50.

  An upper lateral gasket (second lateral water blocking material) extending over the longitudinal direction of the upper member 48 (intermediate lateral member 14e) is formed on the upper prospective surface 58a, which is the upper surface of the outdoor edge 58 of the lid portion 48b. The lower end surface of the outdoor panel 27 is supported via 60. That is, the upper side gasket 60 has both a function as a water stop material at the intermediate cross member 14e portion of the spandrel portion 10a and a function as a setting block on which the outdoor side panel 27 is placed. The upper lateral gasket 60 is made of rubber, for example.

  The lower member 50 has a substantially L-shaped cross section, and has a guide piece 50a that protrudes upward so as to face the inclined surface of the lid portion 48b of the upper member 48, and a horizontal portion on the outdoor side of the guide piece 50a. And an outdoor edge 59. The outdoor side edge part 59 forms the exhaust port 31b between the outdoor side edge part 58 of the lid part 48b of the upper member 48 as described above. The lower member 50 defines a vertical folded channel that communicates with the exhaust port 31b at the upper part of the intermediate air layer 31, and rainwater or the like passes from the exhaust port 31b to the intermediate air by the outdoor side surface of the guide piece 50a. Intrusion into the layer 31 is prevented.

  A lower lateral gasket (first lateral side) extending in the longitudinal direction of the lower member 50 (intermediate lateral member 14e) is formed on a lower prospective surface 59a which is a lower surface of the outdoor side edge 59 of the lower member 50. The upper end surface of the outdoor glass 29 is supported via a water stop material 62. For example, the lower side gasket 62 is fitted and mounted after holding the three sides of the outdoor side glass 29 by the face material arrangement portions 33 and 35 of the lower side member 14b and the left and right vertical members 14c and 14d. The lower lateral gasket 62 is made of rubber, for example.

  As shown in FIG. 7, the upper side gasket 60 and the lower side gasket 62 of these intermediate cross members 14e are set to be substantially flush with the outdoor side panels 27 and the outdoor side surfaces of the outdoor side glass 29 to be held. As a result, the upper lateral gasket 60 and the lower lateral gasket 62 are in contact with the longitudinal gaskets 35 of the longitudinal members 14c and 14d, respectively, so that the upper transverse member 14a, the lower transverse member 14b and the left and right longitudinal members 14c, The water stop structure surrounding the four circumferences of the frame body 14 and the water stop structure of the intermediate cross member 14e are continuous over the outer edge of 14d (see FIG. 7B). That is, in the curtain wall 10, for example, the upper side gasket 60 is attached and the outdoor panel 27 is arranged, and the outdoor side glass 29 is arranged and the lower side gasket 62 is attached. By mounting gaskets 35, 40, 44 configured integrally in four directions so as to surround the remaining three sides of the outdoor glass 29, a water stop structure for the outdoor panel 27 and the outdoor glass 29 is constructed.

  However, as shown in FIGS. 7 (A), 7 (B) and 8, there is a gap between the upper side gasket 60 and the lower side gasket 62 of the intermediate cross member 14e by the exhaust port 31b. Therefore, the continuity between the vertical gasket 35 of the left and right vertical members 14c and 14d, the upper horizontal gasket 60, and the lower horizontal gasket 62 is interrupted by this gap. Therefore, in order to further improve the water stop performance by continuing the water stop structure in this gap, in this embodiment, an auxiliary part that comes into contact with the vertical gasket 35 on the end portion 31c covered with the vertical gasket 35 of the exhaust port 31b. (Auxiliary water stop material) 63 is provided. Accordingly, the vertical gasket 35 and the upper horizontal gasket 60 and the lower horizontal gasket 62 of the intermediate horizontal member 14e are brought into contact with each other through the auxiliary component 63. The auxiliary component 63 is formed of, for example, a resin component, a metal component, or a rubber component similar to the vertical gasket 35 or the like.

  In addition, between the adjacent units of the curtain wall 10, between the vertical member 14 c and the vertical member 14 d, the outdoor side primary seals 64, 64 are pressed together and the outdoor side secondary seals 65, 65 are pressed together. Water is stopped (see FIG. 3 and FIG. 4), and between the upper cross member 14a and the lower cross member 14b, the pressure between the primary seals 64, 64 on the outdoor side and the secondary seals 65, 65 on the outdoor side Water is stopped by pressure bonding (see FIG. 6).

  In this case, in the curtain wall 10 according to the present embodiment, the intermediate cross member 14e is disposed with a gap between the upper member 48 that covers the upper portion of the intermediate air layer 31 and the upper member 48 below the upper member 48. The lower member 50 is provided, and an exhaust port 31b of the intermediate air layer 31 is formed between the outdoor edge 58 of the upper member 48 and the outdoor edge 59 of the lower member 50. And the outdoor side glass of the vision part 10b is passed through the lower lateral gasket 62 extending over the longitudinal direction of the lower member 50 with respect to the lower prospective surface 59a of the outdoor edge 59 of the lower member 50. 29, and the outdoor panel 27 of the spandrel portion 10a is disposed on the upper prospective surface 58a of the outdoor edge 58 of the upper member 48 via an upper lateral gasket 60 extending over the longitudinal direction of the upper member 48. Is arranged.

  Therefore, it is not necessary to attach pressing edges such as the pressing edges 39a and 43a of the upper horizontal member 14a and the lower horizontal member 14b to the outdoor side edges 58 and 59 of the intermediate horizontal member 14e in which the exhaust port 31b is formed. This eliminates the pressing edge from the appearance of the exhaust port 31b portion of each unit of the curtain wall 10 forming the outer wall 12a of the building 12, and the outdoor panel 27 and the vision portion 10b of the spandrel portion 10a serving as the outer skin. The exterior design is such that the outdoor glass 29 is formed like a single glass. As a result, high appearance quality can be ensured, and the part cost and construction cost for the omitted ledge can be reduced. Note that there is a break in the exhaust port 31b between the outdoor panel 27 of the spandrel 10a and the outdoor glass 29 of the vision unit 10b. However, in the curtain wall 10, the intermediate air layer 31 is formed only in the vision unit 10b. Since the volume of the exhaust port 31b is reduced, the opening width of the exhaust port 31b can be minimized, and in combination with the absence of a ledge, the outer skin is apparently formed like a single glass. be able to.

  In the curtain wall 10, the left and right vertical members 14 c and 14 d extend to the outside end portions of the longitudinal members 14 c and 14 d in the longitudinal direction, and the chamber of the vision unit 10 b is between the vertical members 14 c and 14 d. A pressing edge 33a for holding the outer glass 29 and the outdoor panel 27 of the spandrel 10a is attached. And between this pressing edge 33a, the outdoor side glass 29, and the outdoor side panel 27, it extends over the longitudinal direction of the vertical members 14c and 14d, and the upper horizontal gasket 60 provided in the intermediate horizontal member 14e and the lower side A vertical gasket 35 is provided in contact with the side lateral gasket 62. Thereby, the water stop at the edge part of the intermediate cross member 14e can be ensured.

  At this time, in the curtain wall 10, since the auxiliary part 63 that comes into contact with the vertical gasket 35 is provided at the end portion 31 c covered with the vertical gasket 35 of the exhaust port 31 b, the outdoor side surface of the vertical gasket 35 and the intermediate cross member 14 e. Can be more reliably continued, and a higher water-stopping property can be ensured.

  It should be noted that the present invention is not limited to the above-described embodiment, and it is needless to say that the present invention can be freely changed without departing from the gist of the present invention.

  DESCRIPTION OF SYMBOLS 10 Curtain wall, 10a Spandrel part, 10b Vision part, 12 Building, 12a Outer wall, 12b Boundary part, 12c Living space, 14 Frame body, 14a Upper cross member, 14b Lower cross member, 14c, 14d Vertical member, 14e Intermediate cross member , 16 frame, 20 floor, 22 ceiling, 26 indoor side panel, 27 outdoor side panel, 28 indoor side glass, 29 outdoor side glass, 30 shoji, 31 intermediate air layer, 31a air inlet, 31b exhaust port, 31c end part , 32 to 34, 38, 39, 42, 43, 54, 55 Face material arrangement part, 33a, 39a, 43a Press edge, 35 Vertical gasket, 40 Upper gasket, 44 Lower gasket, 46a, 46b Communication hole, 48 Upper member, 48a indoor side part, 48b lid part, 50 lower side member, 50a guide piece, 58, 59 outdoor side edge part, 5 a upper estimated plane, 59a lower estimated plane, 60 upper horizontal gasket 62 lower horizontal gasket 63 auxiliary component, 64 primary seal, 65 secondary seal

Claims (4)

It has an upper cross member, a lower cross member, and left and right vertical members, and a frame provided with an intermediate cross member that extends between the left and right vertical members between the upper cross member and the lower cross member,
A vision portion is formed between the intermediate cross member and the lower cross member so as to face the living space of the building, and is opposed to a boundary portion between the upper and lower floors of the building between the upper cross member and the intermediate cross member. A curtain wall in which a spandrel portion is formed and an intermediate air layer communicating between the lower side air inlet and the upper side air outlet is formed between the indoor side material and the outdoor side material of the vision part. And
The intermediate cross member includes an upper member that closes an upper portion of the intermediate air layer, and a lower member that is disposed below the upper member with a gap between the upper member and the outer side of the upper member. The exhaust port is formed between the edge and the outdoor edge of the lower member,
With respect to the lower prospective surface of the outdoor side edge of the lower member, the outdoor side surface material is disposed via a first lateral water blocking material extending over the longitudinal direction of the lower member,
The face material of the spandrel part is arranged with respect to the upper prospective surface of the outdoor side edge part of the upper member through a second lateral water blocking material extending over the longitudinal direction of the upper member. curtain wall. The curtain wall according to claim 1,
The left and right vertical members extend outside in the longitudinal direction of the vertical member and hold the vision portion outdoor surface member and the spandrel surface member between the vertical members. A ledge is attached,
Between the pressing edge and the outdoor side surface material and the surface material, the first lateral water blocking material and the second lateral water material that extend in the longitudinal direction of the vertical material and are provided on the intermediate horizontal material. A curtain wall characterized in that a longitudinal water-stopping material is provided in contact with the water-stopping material. The curtain wall according to claim 2,
A curtain wall characterized in that an auxiliary water blocking material that contacts the vertical water blocking material is provided at an end portion of the exhaust port that is covered with the vertical water blocking material.   A building using the curtain wall according to claim 1 as an outer wall.

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