Curtain wall

Abstract

To provide a curtain wall capable of suppressing generation of dew condensation between an outdoor side panel and an indoor side panel.SOLUTION: A curtain wall is provided with: a panel space section S11 formed between an outdoor side panel 4B and an indoor side panel 4C; a desiccant space section S2 placed adjacent to the panel space section S11 to each other, in which desiccant 7 is arranged; and a communication passage 65 communicating the panel space section S11 with the desiccant space section S2, wherein the desiccant space section S2 is placed on at least one of the upper side and the lower side of the indoor side panel 4C.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present disclosure relates to curtain walls. [Background technology]

[0002] 2. Description of the Related Art Curtain walls in which double sashes made of glass or the like are installed at openings in buildings have been known for some time (see Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2014-20094 A Summary of the Invention [Problem to be solved by the invention]

[0004] While the formation of a space between the outdoor panel and the indoor panel of a double sash can improve insulation, it also creates the problem of condensation forming in the space, on the surface of the outdoor panel, and on the surface of the indoor panel.

[0005] The present disclosure has been made in consideration of the above circumstances, and provides a curtain wall that can suppress the occurrence of condensation between an outdoor panel and an indoor panel. [Means for solving the problem]

[0006] A curtain wall according to one embodiment of the present disclosure comprises a panel space formed between an outdoor panel and an indoor panel, a desiccant space arranged adjacent to the panel space and having a desiccant arranged therein, and a communication passage connecting the panel space and the desiccant space. [Brief description of the drawings]

[0007] [Figure 1] FIG. 2 is a front view of the curtain wall according to the present embodiment. [Diagram 2] FIG. 2 is a vertical cross-sectional view of the curtain wall according to the present embodiment. [Diagram 3] FIG. 3 is an enlarged view of part III in FIG. 2. [Figure 4] FIG. 4 is an enlarged view of part IV in FIG. [Diagram 5] FIG. 2 is a horizontal cross-sectional view of the curtain wall according to the present embodiment. [Figure 6] 6 is a cross-sectional view taken along line VI-VI in FIG. 5. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] The curtain wall according to the present embodiment will be described below with reference to the drawings. The following embodiment shows one aspect of the present disclosure, does not limit the present disclosure, and can be modified as desired within the scope of the technical idea of ​​the present disclosure. In the following drawings, the scale of each structure is different from the actual structure in order to make each structure easier to understand.

[0009] In the following explanation, the direction connecting the outdoor side and the indoor side and running horizontally is referred to as the indoor-outdoor direction. The direction perpendicular to the indoor-outdoor direction and running horizontally is referred to as the left-right direction. The direction perpendicular to the indoor-outdoor direction and the left-right direction is referred to as the up-down direction. The indoor-outdoor direction is indicated by arrow Y, with the outdoor side indicated as the +Y side in Figure 2 etc. and the indoor side indicated as the -Y side in Figure 2 etc. The left-right direction is indicated by arrow X. The up-down direction is indicated by arrow Z.

[0010] As shown in Fig. 1, the curtain wall 100 is composed of a plurality of curtain wall units 101 arranged adjacent to each other in the left-right and up-down directions and connected to each other. The curtain wall unit 101 includes a frame 1 and glass panels 4A, 4B, and 4C.

[0011] The frame body 1 comprises a pair of vertical frames 21, 21, an upper transom 22 which serves as the upper frame, a middle transom 5 located in the middle in the vertical direction, and a lower transom 23 which serves as the lower frame. The frame body 1 supports the glass panels 4A, 4B, 4C. The vertical frame 21 extends in the vertical direction. The pair of vertical frames 21, 21 are spaced apart in the left-right direction. The upper transom 22, the middle transom 5, and the lower transom 23 extend in the left-right direction. The upper transom 22 connects the upper ends of the pair of vertical frames 21, 21 to each other. The middle transom 5 connects the middle of the pair of vertical frames 21, 21 to each other in the vertical direction. The lower transom 23 connects the lower ends of the pair of vertical frames 21, 21 to each other. The middle transom 5 corresponds to a transom in the claims.

[0012] The glass panel 4A is disposed inside a frame body formed into a four-sided frame shape by a pair of vertical frames 21, 21, an upper mullion 22, and an intermediate mullion 5. A surface material 4D is disposed inside the frame body formed into a four-sided frame shape by a pair of vertical frames 21, 21, an upper mullion 22, and an intermediate mullion 5, on the indoor side of the glass panel 4A. The surface material 4D is, for example, a fireproof board. The glass panels 4B, 4C are disposed inside a frame body formed into a four-sided frame shape by a pair of vertical frames 21, 21, an intermediate mullion 5, and a lower mullion 23. As shown in FIG. 2, the glass panel 4B is disposed outside the glass panel 4C. A double sash is formed in the portion where the glass panels 4B, 4C are disposed. The glass panel 4A is a single-layer glass. The glass panel 4B is a double-layer glass. The glass panel 4C is a single-layer glass. Each glass panel may be a single-layer glass or a double-layer glass. Instead of the glass panel, a panel made of a material other than glass may be used. The glass panel 4B corresponds to the outdoor panel in the claims. The glass panel 4C corresponds to the indoor panel in the claims.

[0013] A panel space S11 is formed between the glass panels 4B and 4C. The panel space S11 is formed along substantially the entire surface of the plate surface 4b of the glass panel 4B facing the indoor side and substantially the entire surface of the plate surface 4c of the glass panel 4C facing the outdoor side.

[0014] 3, the intermediate mesh 5 has a first mesh member 50 and a second mesh member 60. The first mesh member 50 and the second mesh member 60 are disposed over substantially the entire length of the intermediate mesh 5 in the left-right direction.

[0015] The first transom member 50 has a first upper side plate portion 51, a first outdoor side plate portion 52, a first lower side plate portion 53, and a first indoor side plate portion 54. The first transom member 50 extends over substantially the entire length of the curtain wall unit 101 in the left-right direction. The first transom member 50 is formed from a metal shaped material such as an aluminum alloy. The material of the first transom member 50 may be a synthetic resin or other material.

[0016] The first upper plate portion 51 is located at the top of the first interlining member 50. The first upper plate portion 51 is formed in a stepped shape so that the indoor side portion is located downward. The surface material 4D is installed on the lowered indoor side portion of the first upper plate portion 51. The first outdoor side plate portion 52 extends downward from the outdoor side end portion of the first upper plate portion 51. The first outdoor side plate portion 52 is formed in a stepped shape so that the lower portion is located on the indoor side. The first lower side plate portion 53 extends from the lower end portion of the first outdoor side plate portion 52 to the indoor side. The first indoor side plate portion 54 extends upward from the indoor side end portion of the first lower side plate portion 53. The upper end portion of the first indoor side plate portion 54 is connected to the indoor side end portion of the first upper plate portion 51.

[0017] An upper space S1 is formed inside the first interlining member 50, which is formed by the first upper plate portion 51, the first outdoor side plate portion 52, the first lower plate portion 53, and the first indoor side plate portion 54. The upper space S1 is the space inside the first interlining member 50, which is formed from shaped material. The upper space S1 is formed over approximately the entire length of the first interlining member 50 in the left-right direction.

[0018] The second transom member 60 is disposed on the outdoor side and below the first transom member 50. The second transom member 60 has a second upper plate portion 61, a second outdoor side plate portion 62, a second lower plate portion 63, and a second indoor side plate portion 64. The second transom member 60 extends over substantially the entire length of the curtain wall unit 101 in the left-right direction. The second transom member 60 is formed from a metal shaped material such as an aluminum alloy. The material of the second transom member 60 may be formed from a material such as a synthetic resin.

[0019] The second upper plate portion 61 is located at the top of the second interlining member 60. The second upper plate portion 61 is formed in a stepped shape so that the indoor side portion is located slightly above. The second outdoor side plate portion 62 extends downward from the outdoor side end portion of the second upper plate portion 61.

[0020] The second lower plate portion 63 extends indoors from the lower end of the second outdoor side plate portion 62. A fixing plate portion 67 extending downward is provided on the second lower plate portion 63. The upper end of the glass panel 4C is fitted into an indoor side groove portion 42 that is formed in the indoor side upper frame 41 and opens downwards. The indoor side upper frame 41 is fixed via an L-shaped metal fitting 68 that is fixed to the fixing plate portion 67 of the second lower plate portion 63.

[0021] The second indoor side plate portion 64 extends upward from the indoor side end of the second lower side plate portion 63. An upper portion of the second indoor side plate portion 64 is connected to the indoor side end of the second upper side plate portion 61. An upper end portion 64u of the second indoor side plate portion 64 extends upward beyond the connection portion with the second upper side plate portion 61. The upper end portion 64u of the second indoor side plate portion 64 is fixed to the first indoor side plate portion 54 of the first interlining member 50 by screws 66.

[0022] A desiccant space S2 is formed inside the second baffle member 60 formed by the second upper plate portion 61, the second outdoor side plate portion 62, the second lower plate portion 63, and the second indoor side plate portion 64. The desiccant space S2 is a space inside the second baffle member 60 formed from a shaped material. The desiccant space S2 is formed over approximately the entire length of the second baffle member 60 in the left-right direction.

[0023] The desiccant space S2 is formed adjacent to the lower side of the upper space S1. The desiccant space S2 is formed adjacent to the indoor side of the panel space S11.

[0024] A desiccant 7 is disposed inside the desiccant space S2. The desiccant 7 is, for example, silica gel. The desiccant 7 is disposed on the upper side of the second lower plate portion 63 of the second baffle member 60. The desiccant 7 may be disposed on at least a portion of the second baffle member 60 in the left-right direction. The desiccant 7 may be disposed over substantially the entire length of the second baffle member 60 in the left-right direction, or multiple desiccant agents 7 may be disposed at intervals in the left-right direction of the second baffle member 60.

[0025] A communication passage 65, which is a through hole penetrating in the indoor-outdoor direction, is formed in the upper part of the second outdoor side plate portion 62. A plurality of communication passages 65 are formed at intervals in the left-right direction of the second outdoor side plate portion 62. It is sufficient that the communication passage 65 is formed in one or more places in the second outdoor side plate portion 62. The communication passage 65 communicates between the desiccant space portion S2 and the panel space portion S11.

[0026] The second indoor side plate portion 64 is formed with an insertion opening 71 which is a through hole penetrating in the indoor / outdoor direction. It is sufficient that the insertion opening 71 is formed at one or more locations in the second indoor side plate portion 64. The insertion opening 71 connects the desiccant space S2 with the indoors. The size of the insertion opening 71 is such that the desiccant 7 can be inserted into the second interlocking member 60 from the indoors.

[0027] A blocking plate 72 is disposed on the indoor side of the insertion opening 71. The blocking plate 72 is detachably attached to the second indoor side plate portion 64 by screws 73. The blocking plate 72 blocks the insertion opening 71. By loosening the screws 73, the blocking plate 72 is removed and the insertion opening 71 is opened. The blocking plate 72 corresponds to the blocking portion in the claims.

[0028] A flange 8 is engaged with the outdoor side of the first transom member 50 of the intermediate transom 5. The upper part of the flange 8 supports the lower end of the glass panel 4A from the outdoor side, and the lower part of the flange 8 supports the upper end of the glass panel 4B from the outdoor side.

[0029] 4, the flange 8 is disposed over substantially the entire length in the left-right direction of the glass panels 4A and 4B. The flange 8 has an exterior-side flange wall portion 81, a first flange locking piece portion 82, and a second flange locking piece portion 83.

[0030] The outdoor-side edge wall portion 81 is formed in a plate shape. The plate surface of the outdoor-side edge wall portion 81 faces the indoor / outdoor direction.

[0031] The upper end 81u of the outdoor-side ridge wall portion 81 reaches above the lower end 4d of the glass panel 4A. Two claw portions 811, 811 are provided at an interval in the vertical direction on the upper end 81u of the outdoor-side ridge wall portion 81 so as to protrude toward the indoor side. A sealant 44 is fitted between the two claw portions 811, 811. A protrusion 521 is provided at the upper portion of the first outdoor side plate portion 52 of the first interlining member 50 so as to protrude toward the outdoor side. A sealant 45 is fitted into the protrusion 521. The lower end portion 4d of the glass panel 4A is fitted between the first outdoor side plate portion 52 of the first interlining member 50 and the outdoor-side ridge wall portion 81 of the interlining member 8 with sealants 44, 45 interposed on both sides.

[0032] The lower end 81d of the outdoor-side ridge wall 81 reaches below the upper end 4u of the glass panel 4B. Two claws 812, 812 are provided at a distance in the vertical direction on the lower end 81d of the outdoor-side ridge wall 81 so as to protrude toward the indoor side. A sealant 46 is fitted between the two claws 812, 812. A protrusion 522 is provided at the lower part of the first outdoor side plate 52 of the first interlining member 50 so as to protrude toward the outdoor side. A sealant 47 is fitted into the protrusion 522. The upper end 4u of the glass panel 4C is fitted between the first outdoor side plate 52 of the first interlining member 50 and the outdoor-side ridge wall 81 of the interlining member 8 with sealants 46, 47 interposed on both sides.

[0033] The first edge engagement piece 82 extends from the outdoor edge wall 81 to the indoor side. The tip of the first edge engagement piece 82 is provided with an engagement piece 82a that protrudes downward. The first outdoor side plate 52 of the first interlining member 50 is provided with an extension wall 56 that protrudes to the outdoor side. The tip of the extension wall 56 is provided with an engagement piece 56a that protrudes upward. The engagement piece 56a of the extension wall 56 is disposed on the outdoor side of the engagement piece 82a of the first edge engagement piece 82. The engagement piece 56a is in contact with the lower surface of the first edge engagement piece 82 or is disposed slightly below. The engagement piece 82a is in contact with the upper surface of the extension wall 56 or is disposed slightly above. The engagement piece 82a and the engagement piece 56a are in contact with each other in the indoor / outdoor direction or are slightly separated from each other. The locking piece 82a and the locking piece 56a are locked together.

[0034] The second edge retaining piece 83 extends from the outdoor edge wall portion 81 to the indoor side. The second edge retaining piece 83 is disposed below the first edge retaining piece 82. The extension length of the second edge retaining piece 83 is longer than the extension length of the first edge retaining piece 82. The tip of the second edge retaining piece 83 is provided with an upward piece 83a that protrudes upward. The upper end of the upward piece 83a is provided with a bent piece 83b that protrudes to the outdoor side. The horizontal plate portion 55 that is along a substantially horizontal plane in the middle of the vertical direction of the first outdoor side plate portion 52 of the first interlining member 50 is provided with a downward piece 55a that protrudes downward. The lower end of the downward piece 55a is provided with a bent piece 55b that protrudes to the indoor side. The upward piece 83a of the second edge retaining piece 83 is disposed on the indoor side of the downward piece 55a of the horizontal plate portion 55. The bent piece 83b is disposed above the bent piece 55b. The bent piece 83b and the bent piece 55b are engaged with each other.

[0035] Even if the ridge 8 attempts to rotate so that the lower end 81d of the outdoor-side ridge wall portion 81 of the ridge 8 is displaced indoors, the locking piece 82a of the first ridge locking piece 82 is locked with the locking piece 56a of the first interlining member 50, restricting the rotation of the ridge 8. Even if the ridge 8 attempts to rotate so that the upper end 81u of the outdoor-side ridge wall portion 81 of the ridge 8 is displaced indoors, the bent piece 83b of the second ridge locking piece 83 is locked with the bent piece 55b of the first interlining member 50, restricting the rotation of the ridge 8. The ridge 8 is prevented from coming off the first interlining member 50.

[0036] As shown in Fig. 5, the vertical frame 21 is provided with a drain valve 9. The vertical frame 21 has a vertical plate portion 25. The vertical plate portion 25 is provided over substantially the entire length of the vertical frame 21 in the up-down direction. The plate surface of the vertical plate portion 25 faces the left-right direction. An outer plate portion 26 is provided opposite the vertical plate portion 25. A hollow portion S21 that is continuous in the up-down direction is formed between the vertical plate portion 25 and the outer plate portion 26.

[0037] The vertical plate portion 25 is formed with a mounting hole 25a penetrating in the left-right direction. The mounting hole 25a is provided with a drain valve 9. As shown in FIG. 6, the drain valve 9 is formed in a substantially L-shape. The drain valve 9 is formed in a cylindrical shape. As shown in FIG. 3, an opening 91 is formed in the upper portion of the drain valve 9. The opening 91 is disposed on the indoor side of the glass panel 4A and on the outdoor side of the face material 4D. The upper surface of the first upper plate portion 51 of the first interlining member 50 of the intermediate interlining 5 is inclined downward toward the middle 51a in the indoor-outdoor direction. The opening 91 is located above the middle 51a of the first upper plate portion 51. As shown in FIG. 6, a drain hole 92 penetrating in the up-down direction is formed in the lower end portion of the drain valve 9. The opening 91 of the drain valve 9 protrudes from the hollow portion S21, and the portion other than the opening 91 is disposed in the hollow portion S21.

[0038] Water such as condensation water generated between the glass panel 4A and the facing material 4D flows toward the middle 51a along the upper surface of the first upper plate portion 51 of the first transom member 50. The water enters the inside of the drain valve 9 from the opening 91 of the drain valve 9. The water moves downward inside the drain valve 9 and is drained from the drain hole 92. The water moves downward inside the hollow portion S21 in which the drain valve 9 is installed, moves along the upper surface of the upper transom 22 of the lower curtain wall unit 101, and is drained outdoors. The mounting hole 25a for installing the drain valve 9 is formed in the vertical frame 21, so there is no need to process the middle transom 5.

[0039] In the curtain wall 100, a desiccant 7 is placed in the desiccant space S2 disposed adjacent to the panel space S11. The desiccant space S2 is in communication with the panel space S11 through a communication passage 65 formed in the second interlining member 60. The humidity of the gas inside the panel space S11 is suppressed by the desiccant 7, so that the occurrence of condensation in the panel space S11 can be suppressed.

[0040] The desiccant space S2 is disposed above the glass panel 4C. The desiccant 7 can be put into the desiccant space S2 from inside the building, and the desiccant 7 can be replaced from inside the building, which provides good ease of installation and maintenance.

[0041] The second open member 60 in which the desiccant space S2 is formed has an insertion opening 71 that connects the desiccant space S2 to the indoors. A removable closing plate 72 is provided at the insertion opening 71. The closing plate 72 can be removed from the indoors to insert or remove the desiccant 7 through the insertion opening 71, which provides good maintainability.

[0042] The desiccant space S2 is a space formed in the second mesh member 60 of the intermediate mesh member 5. There is no need to install a member having the desiccant space formed therein separately from the intermediate mesh member 5, which reduces the number of parts and omits construction work.

[0043] A plurality of communication passages 65 are formed in the left-right direction of the second interlining member 60. The environment, such as humidity, inside the panel space portion S11 tends to become the same as the environment inside the desiccant space portion S2.

[0044] Although the preferred embodiments of the present disclosure have been described above with reference to the accompanying drawings, it goes without saying that the present disclosure is not limited to the examples. The shapes and combinations of the components shown in the above examples are merely examples, and various modifications can be made based on design requirements, etc., without departing from the spirit of the present disclosure.

[0045] In the embodiment described above, the desiccant 7 is disposed on the upper side of the glass panel 4C, but this is not limited thereto. The desiccant 7 may be disposed on at least one of the upper and lower sides of the glass panel 4C. The desiccant 7 may be disposed on the lower side of the glass panel 4C, such as inside the lower transverse lining 23 disposed on the lower side of the glass panel 4C. When the desiccant 7 is disposed inside the lower transverse lining 23, for example, a through hole that is a communication passage communicating with the panel space portion S11 is formed in the upper part of the lower transverse lining 23 or the like. The desiccant 7 may be disposed on both the upper and lower sides of the glass panel 4C.

[0046] In the embodiment described above, the desiccant 7 is disposed in the second interlining member 60, but this is not limited thereto. The desiccant 7 may be disposed inside the first interlining member 50. When the desiccant 7 is disposed inside the first interlining member 50, for example, a through hole that is a communication passage communicating with the panel space portion S11 is formed in the first lower plate portion 53.

[0047] In the embodiment described above, the second baffle member 60 has the insertion opening 71 and the blocking plate 72 is removably provided at the insertion opening 71, but this is not limited thereto. The second baffle member 60 may have the insertion opening 71 and not be provided with the blocking plate 72. Alternatively, the second baffle member 60 may not have the insertion opening 71 and the desiccant 7 may be inserted from the left and right ends of the second baffle member 60.

[0048] (1) a panel space formed between the outdoor panel and the indoor panel; a desiccant space portion disposed adjacent to the panel space portion and having a desiccant disposed therein; a communication passage that communicates the panel space and the desiccant space. (2) A curtain wall according to the above (1), wherein the desiccant space is disposed on at least one of the upper and lower sides of the indoor panel. (3) The desiccant space portion is a space formed inside a shaped member, The shape member has a through hole communicating the desiccant space with the indoor space, A curtain wall according to the above (1) or (2), wherein the through hole is provided with a removable blocking portion. (4) A curtain wall according to any one of (1) to (3) above, wherein the desiccant space portion is a space formed inside a window. (5) A curtain wall according to any one of (1) to (4) above, wherein the communication passages are formed in plurality along the left-right direction of the indoor side panel. [Explanation of symbols]

[0049] 4B glass panel (outdoor panel), 4C glass panel (indoor panel), 5 intermediate nodule (nodule), 7 desiccant, 65 connecting passage, 71 insertion hole (through hole), 72 blocking plate (blocking portion), 100 curtain wall, S2 desiccant space, S11 panel space

Claims

1. A panel space portion formed between the outdoor panel and the indoor panel; a desiccant space portion disposed adjacent to the panel space portion and having a desiccant disposed therein; a communication passage that communicates the panel space and the desiccant space.

2. The curtain wall according to claim 1 , wherein the desiccant space is disposed on at least one of the upper side and the lower side of the indoor side panel.

3. The desiccant space portion is a space formed inside a shaped material, The shape member has a through hole communicating the desiccant space with the indoor space, The curtain wall according to claim 1 or 2, wherein the through hole is provided with a removable blocking portion.

4. The curtain wall according to claim 1 or 2, wherein the desiccant space portion is a space formed inside a transom.

5. The curtain wall according to claim 1 or 2, wherein the communication passages are formed in plurality along the left-right direction of the indoor side panel.

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