JP6444737B2 - Curtain wall unit - Google Patents

Description

  The present invention relates to a curtain wall unit constituting a curtain wall constituting an outer wall surface of a building.

  Conventionally, as a curtain wall, a curtain wall having a watertight structure between adjacent curtain wall units is known (see Patent Document 1). The curtain wall unit is configured by mounting a panel body in a frame body in which an upper frame, a lower frame, and left and right vertical frames are framed. The watertight structure is configured by bringing each sealing material mounted on the upper frame, the lower frame, and the left and right vertical frames into contact with each sealing material of the adjacent curtain wall unit. In particular, the vertical frame is fitted with an indoor sealing material and an outdoor vertical sealing material, and isobaric that forms an isobar space with the outdoor air between the indoor sealing material and the outdoor vertical sealing material. The structure is structured. By adopting this isobaric structure, intrusion of rainwater can be suppressed, so that it is possible to save the trouble of filling a sealing material between the curtain wall units after the curtain wall units are installed.

Utility Model Registration No. 2540224

  By the way, in the curtain wall of patent document 1, since the vertical frame is integrally formed from the outdoor side to the indoor side, it conducts heat from the exposed part on the outdoor side of the vertical frame to the indoor side part. For this reason, it is difficult to improve heat insulation.

  An object of the present invention is to provide a curtain wall unit capable of forming an isobaric structure and improving heat insulation.

The curtain wall unit of the present invention is a curtain wall unit including a watertight material and a frame body to which an airtight material located indoors than the watertight material is mounted, and a panel disposed in the frame body, The frame has a frame main body having an indoor facing piece facing the indoor surface of the panel, an outdoor facing piece facing the outdoor surface of the panel, and a connecting piece for connecting the outdoor facing piece to the frame main body. and, the outdoor end of the connecting piece, the engaging piece portion protruding find both sides of the frame body is formed, the outdoor facing plates is formed as a separate body with respect to the connecting piece, the outdoor The facing piece includes an indoor facing surface that faces the indoor surface of the engaging piece portion on both ends of the engaging piece portion, an end facing surface that faces both ends of the engaging piece portion, and the engaging piece And an outdoor facing surface facing the outdoor surface of the section. Engageable engaging recess on one part is formed, between the said engagement recess and the engagement piece portion is interposed an insulating material for indoor and outdoor heat insulation, the insulating material, than the watertight material It is mounted on the outdoor side.
According to the present invention, when a plurality of curtain wall units are juxtaposed in a building to form a curtain wall, the watertight materials (rain barriers) and the airtight materials (wind barriers) of the curtain wall units adjacent to each other are arranged. An isobaric space is formed between the watertight material and the airtight material so as to form an isobaric space between the outdoor air and the outdoor air, thereby forming an isobaric structure capable of suppressing intrusion of rainwater from the outdoor side. In such a configuration, since an insulating material for indoor and outdoor heat insulation is interposed between the outdoor facing piece and the connecting piece, heat conduction from the outdoor facing piece exposed to the outdoor side to the connecting piece can be insulated. Can improve the heat insulation.
In addition, since the insulating material is attached to the outdoor side of the watertight material, the temperature change depending on the outdoor air outside the frame body located on the indoor side of the insulating material is reduced, and the space between the watertight material and the airtight material is reduced. Reduces the temperature change that depends on the outdoor air outside the isobaric space by suppressing heat conduction to the isobaric space
it can. Thereby, it becomes easier to keep the room temperature at a predetermined temperature without being affected by the temperature change caused by the outdoor outside air.
In addition, according to such a configuration, the engagement piece portion is formed to protrude on both sides of the frame body in the finding direction, and the engagement recess portion has the indoor facing surface, the end facing surface, and the outdoor facing surface. Even if the insulating material between the engaging piece and the engaging recess is burned out, each facing surface (especially the indoor facing surface) of the engaging recess is in contact with the engaging piece and receives the outdoor surface of the panel by the outdoor facing piece. Can be maintained. Thereby, drop-off to the outdoor side of a panel can be suppressed and flame-shielding property can be maintained.
Moreover, since the engagement piece is formed at the outdoor end of the connecting piece, an insulating material for indoor and outdoor heat insulation can be arranged at a position near the outdoor side of the frame. For this reason, the frame part affected by the outdoor temperature can be reduced, and the heat insulation can be improved.

The curtain wall unit of the present invention is a curtain wall unit including a watertight material and a frame body to which an airtight material located indoors than the watertight material is mounted, and a panel disposed in the frame body, The frame includes a frame main body having an indoor facing piece facing the indoor surface of the panel and a prospective piece continuous to the indoor facing piece, an outdoor facing piece facing the outdoor surface of the panel, and the outdoor facing piece A connecting piece that is connected to the frame body and a cover piece that covers an inner prospective surface of the prospective piece with a space therebetween, and the outdoor facing piece is formed separately from the connecting piece, An insulating material for indoor and outdoor heat insulation is interposed between the piece and the connecting piece, the insulating material is mounted on the outdoor side of the watertight material, and the cover piece is formed on the outdoor side and the indoor side of the cover piece. The frame body Characterized in that it is connected via an insulating material for chromatography strip insulation.
According to the present invention, when a plurality of curtain wall units are juxtaposed in a building to form a curtain wall, the watertight materials (rain barriers) and the airtight materials (wind barriers) of the curtain wall units adjacent to each other are arranged. An isobaric space is formed between the watertight material and the airtight material so as to form an isobaric space between the outdoor air and the outdoor air, thereby forming an isobaric structure capable of suppressing intrusion of rainwater from the outdoor side. In such a configuration, since an insulating material for indoor and outdoor heat insulation is interposed between the outdoor facing piece and the connecting piece, heat conduction from the outdoor facing piece exposed to the outdoor side to the connecting piece can be insulated. Can improve the heat insulation.
In addition, since the insulating material is attached to the outdoor side of the watertight material, the temperature change depending on the outdoor air outside the frame body located on the indoor side of the insulating material is reduced, and the space between the watertight material and the airtight material is reduced. It is possible to reduce the temperature change depending on the outdoor air outside the isobaric space by suppressing the heat conduction to the isobaric space. Thereby, it becomes easier to keep the room temperature at a predetermined temperature without being affected by the temperature change caused by the outdoor outside air.
Furthermore, according to such a structure, since the cover piece is connected to the frame main body via the respective insulating materials on the outdoor side and the indoor side, heat transfer from the frame main body to the cover piece can be insulated.
By the way, in the case where the outdoor watertight material described above is not provided, the frame body of the curtain wall unit disposed adjacently is affected to some extent by the outdoor air outside, and there is a temperature difference between the frame body and the indoor space.
May occur and condensation may easily occur on the inner prospective surface of the prospective piece. Therefore, in the present invention, by installing the cover piece as described above, condensation that may occur on the prospective piece can be blinded, and heat transfer from the frame body to the cover piece is insulated by each insulating material. The temperature difference between the piece and the indoor space can be reduced, and the occurrence of condensation on the cover piece can be suppressed. Furthermore, since the space between the prospective piece and the cover piece is blocked from room air, it is possible to suppress the inflow of moist air from the indoor side into the space and reduce condensation on the prospective piece.
In addition, since the cover piece is connected to one frame body, it can be connected to the frame body in advance before the on-site construction of the curtain wall unit. For this reason, it is excellent in workability compared with the cover member installed, for example, covering the frame main bodies arranged adjacent to each other after the curtain wall unit is constructed on site.
In the curtain wall unit of the present invention described above, the indoor facing piece has an extending portion that extends from the prospective piece along the direction in which the frame body is found, and the extending portion includes an outdoor protrusion and An indoor protrusion is formed, a backup material that contacts the panel is attached to the outdoor protrusion, an insulating material for insulating the cover piece is attached to the indoor protrusion, and an outdoor end of the cover piece It is preferable that a concave portion that engages with the insulating material for insulating the cover piece is formed in the portion.
According to such a configuration, since the outdoor protrusion and the indoor protrusion are respectively provided on the frame main body insulated from the outdoor facing piece, the backup material and the insulating material can be easily provided in the indoor and outdoor directions. The insulating material and the cover piece can be securely attached by the recess.

  In the curtain wall unit of the present invention, the indoor facing piece has an extending portion extending from the prospective piece along the direction in which the frame body is found, and the extending portion includes an outdoor protrusion and an indoor protrusion. A backup material that contacts the panel is attached to the outdoor protrusion, and an insulating material for insulating the cover piece is attached to the indoor protrusion, and the outdoor end of the cover piece is attached to the outdoor protrusion. It is preferable that a recess that engages with the insulating material for insulating the cover piece is formed.
  According to such a configuration, since the outdoor protrusion and the indoor protrusion are respectively provided on the frame main body insulated from the outdoor facing piece, the backup material and the insulating material can be easily provided in the indoor and outdoor directions. The insulating material and the cover piece can be securely attached by the recess.

In the curtain wall unit of the present invention, it is preferable that an outdoor watertight material is further attached to a portion of the frame body that is on the outdoor side of the watertight material and on the indoor side of the insulating material.
According to such a configuration, it is possible to block the intrusion of rainwater by the outdoor watertight material located outside the watertight material for forming the isobaric space, and it is possible to reduce the frame part that is affected by the outdoor temperature, In addition, excessive inflow of outdoor outside air can be suppressed, and heat insulation can be improved.

In the curtain wall unit of the present invention, it is preferable that a mounting groove defined by the outdoor facing piece and the connecting piece is formed in the frame body, and the outdoor watertight material is mounted in the mounting groove. .
According to such a configuration, since the outdoor watertight material is mounted in the mounting groove defined by the outdoor facing piece and the connecting piece, the portion of the connecting piece exposed to the outdoor side by the outdoor watertight material can be reduced, and the heat insulating property can be reduced. Can be improved.

In the curtain wall unit of the present invention, the connecting piece is formed separately from the frame main body, and the frame main body is formed by a combination of the outdoor facing piece, the connecting piece, and the insulating material for indoor and outdoor heat insulation. It is preferable that a detachable pressing edge is configured.
According to such a structure, since a pressing edge is comprised with the combination body of an outdoor facing piece, a connection piece, and the insulating material for indoor and outdoor heat insulation, a panel can be hold | maintained only by engaging a pressing edge with a frame main body.
Further, when the panel is replaced, it is possible to remove the press rim by simply releasing the engagement between the press rim and the frame main body, so that the panel can be replaced, and the workability can be improved.

  ADVANTAGE OF THE INVENTION According to this invention, while being able to form an isobaric structure, the curtain wall unit which can improve heat insulation can be provided.

The external appearance figure which shows the installation state of the curtain wall unit which concerns on embodiment of this invention. The longitudinal cross-sectional view which shows the installation state of the curtain wall unit which concerns on the said embodiment. The longitudinal cross-sectional view which shows the curtain wall unit which concerns on the said embodiment. The longitudinal cross-sectional view which shows the curtain wall unit upper and lower frame which concerns on the said embodiment. The longitudinal cross-sectional view which expands and shows the principal part of the curtain wall unit which concerns on the said embodiment. The longitudinal cross-sectional view which shows the eyeless of the curtain wall unit which concerns on the said embodiment. The cross-sectional view showing the upper part of the vertical frame of the curtain wall unit according to the embodiment. The cross-sectional view which shows the vertical frame lower part of the curtain wall unit which concerns on the said embodiment. Sectional drawing along the IX-IX line | wire shown in FIG.

[Configuration of this embodiment]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2 show a curtain wall 1 constituting a building 2. The building 2 includes a beam 3 and a floor slab 4 supported by the beam 3. A suspended ceiling 5 is installed below the floor slab 4.
The curtain wall 1 is configured by arranging a plurality of curtain wall units 10 according to the present embodiment suspended and connected to a floor slab 4 in the vertical and horizontal directions.

In FIG. 3, the curtain wall unit 10 is configured by a step window including a frame 20 and panels 21 and 22.
The frame 20 is configured by a framework of an upper frame 30, a lower frame 40, a mesh 50 and left and right vertical frames 60 formed of an aluminum extruded shape member. The upper frame 30, the blank 50 and the left and right vertical frames 60 form the upper opening 23, and the lower frame 40, the blank 50 and the left and right vertical frames 60 form the lower opening 24. .
The panel 21 is configured by a single-layer glass panel and disposed in the opening 23, and the panel 22 is configured by a multilayer glass panel and disposed in the opening 24.

  The upper frame 30 includes an upper frame main body 31 (frame main body) and a pressing edge 32 as shown in FIGS. The upper frame body 31 includes an indoor facing piece 311, an inner prospective piece 312 (a prospective piece), an outer prospective piece 313 (a prospective piece), and an indoor finding piece 314.

The indoor facing piece 311 is disposed along the direction in which the upper frame 30 is found, and an outdoor protrusion 311A to which the gasket 11 that contacts the indoor surface of the panel 21 is mounted is formed on the outdoor surface of the indoor facing piece 311.
The inner prospective piece 312 is continuous with the indoor facing piece 311, and a step portion 312 </ b> A is formed in the indoor portion.
The outer prospective piece 313 is continuous with the indoor facing piece 311, and mounting portions 313 </ b> A and 313 </ b> B to which the watertight member 12 and the airtight member 13 are respectively attached, and a hook-like engaging portion 313 </ b> C that can engage with the pressing edge 32. And are formed. Here, the watertight material 12 is formed to have one fin portion and is attached to the attachment portion 313A, and the airtight material 13 is attached to the attachment portion 313B located on the indoor side of the attachment portion 313A. Yes. A fitting convex member 14A is fitted between the mounting portions 313A and 313B.
The indoor finding piece 314 is continuous with the inner prospective piece 312 and the outer prospective piece 313.
The upper edge portion of the fireproof panel 15 is arranged on the step portion 312A of the inner prospective piece 312. The support plate 16 that supports the upper edge portion of the fireproof panel 15 is screwed to the indoor finding piece 314.

The pressing edge 32 has a substantially L-shaped cross section by a combination of a connecting piece 33, an outdoor facing piece 34, and an insulating material 35 (heat insulating material) for indoor and outdoor heat insulation.
The connecting piece 33 is disposed along the prospective direction of the upper frame 30 and has an engaging portion 331, an opposing piece portion 332, and an engaging piece portion 333.
The engaging portion 331 is formed in a bowl shape and is engaged with the engaging portion 313C of the upper frame body 31. The facing piece portion 332 is disposed along the direction in which the upper frame 30 is found, and faces the outdoor facing piece 34 with a gap in the expected direction of the upper frame 30. The engaging piece portion 333 protrudes from the outdoor end portion of the connecting piece 33 to both sides (upper side and lower side) in the direction of finding the upper frame 30, and enormous portions are formed at both ends thereof.

The outdoor facing piece 34 is disposed along the direction in which the upper frame 30 is found, and has an engagement recess 341 and a mounting portion 342.
As shown in FIG. 5, the engaging recess 341 includes an indoor facing surface 341 </ b> A that faces the indoor surface of the engaging piece 333, an end facing surface 341 </ b> B that faces both ends of the engaging piece 333, An outdoor facing surface 341 </ b> C facing the outdoor surface of the portion 333 is formed.
The insulating material 35 is attached so as to cover the engaging piece portion 333, and the outer surface of the insulating material 35 is covered with the engaging recess 341.
The mounting portion 342 is located on the inner side (lower side) of the opening 23 than the engagement recess 341, and the gasket 18 that contacts the outdoor surface of the panel 21 is mounted.

When replacing the panel 21, the pressing edge 32 is removed from the upper frame 30. Here, the outdoor facing piece 34 can be attached to and detached from the connecting piece 33 by sliding along the longitudinal direction of the engaging piece portion 333. When the outdoor facing piece 34 is slid, the insulating material 35 covering the engaging piece portion 333 is exposed, so that the state of attachment of the insulating material 35 can be easily confirmed visually.
A mounting groove 36 defined by the connecting piece 33 and the outdoor facing piece 34 is formed between the facing piece 332 and the engaging recess 341. The outdoor groove having one fin portion in the mounting groove 36 is formed. A watertight material 17 is attached. The outdoor watertight material 17 is located on the outdoor side of the watertight material 12 and on the indoor side of the insulating material 35.
In addition, a spacer and a sealing material that fill a gap with the upper frame body 31 are applied to the indoor end portion of the connecting piece 33.

  As shown in FIGS. 3 and 4, the lower frame 40 includes a lower frame main body 41 (frame main body), a pressing edge 42, and a cover piece 43. The lower frame main body 41 includes an indoor facing piece 411, an inner prospective piece 412 (a prospective piece), an outer prospective piece 413 (a prospective piece), and an indoor finding piece 414.

  The indoor facing piece 411 has an extending portion 411A that is arranged along the direction in which the lower frame 40 is found and that extends toward the inside (upward) of the opening 24 from the inner prospective piece 412. An outdoor protrusion 411B is formed on the outdoor surface of the extension part 411A, and an indoor protrusion 411C is formed on the indoor surface of the extension part 411A. The indoor protrusion 411C is located inside (above) the opening 24 relative to the outdoor protrusion 411B. A backup material 19 that comes into contact with the indoor surface of the panel 22 is attached to the outdoor protrusion 411B. The indoor protrusion 411C is provided with an insulating material 44 (heat insulating material) for insulating the cover pieces. A sealing material 19A is applied next to the backup material 19.

The inner prospective piece 412 is continuous with the indoor facing piece 411. A rising piece portion 412 </ b> A is formed in the indoor portion of the inner prospective piece 412.
The outer prospective piece 413 is continuous with the indoor facing piece 411, and mounting portions 413A and 413B to which the watertight member 12 and the airtight member 13 are respectively attached, and a hook-like engaging portion 413C that can be engaged with the pressing edge 42. And are formed. A fitting recess 14B is fitted between the mounting portions 413A and 413B.
The indoor finding piece 414 is continuous with the inner prospective piece 412 and the outer prospective piece 413.

The cover piece 43 is disposed along the prospective direction of the lower frame 40. A concave portion 431 that is concave toward the outdoor side is formed at the outdoor end portion of the cover piece 43. The indoor end 432 of the cover piece 43 is formed so as to protrude in the direction in which the lower frame 40 is found. The recess 431 is engaged with the insulating material 44 attached to the indoor protrusion 411C. The indoor end portion 432 is screwed to the rising piece portion 412A via another insulating material 45 (heat insulating material) for heat insulation of the cover piece.
The cover piece 43 is located at an inner side (above) of the opening 24 than the inner prospective surface of the inner prospective piece 412, and covers the upper surface of the inner prospective piece 412 at this position. The outdoor end of the cover piece 43 is formed to be thin and is located so as to cover the tip of the extending portion 411A in a non-contact state.

  The pressing edge 42 is configured in the same manner as the pressing edge 32 and is disposed in the upside down direction. Accordingly, the components of the pressing edge 42 are appropriately assigned the same reference numerals as the components of the pressing edge 32, and detailed description thereof is omitted. A decorative material 46 is attached to the outdoor facing piece 34 of the pressing edge 42.

The seamless 50 includes a seamless main body 51 (frame main body), a pressing edge 52, and a cover piece 56. The invisible body 51 is formed to have an indoor facing piece 511, an invisible prospective piece 512, 513 (a prospective piece), an indoor finding piece 514, and an engaging piece 515.
The indoor facing piece 511 has an extending portion 511 </ b> A that extends toward the inner side (downward) of the opening 24 than the blind prospective piece 513. An outdoor protrusion 511 </ b> B is formed at a position near the opening 23 side of the indoor facing piece 511. An outdoor protrusion 511C is formed on the outdoor surface of the extending portion 511A. An indoor protrusion 511D is formed on the indoor surface of the extending portion 511A. The indoor protrusion 511D is located inside (lower) the opening 24 than the outdoor protrusion 511C. The outdoor protrusion 511 </ b> B is attached with a gasket 11 that contacts the indoor surface of the panel 21. A backup material 19 that comes into contact with the indoor surface of the panel 22 is attached to the outdoor protrusion 511C. Next to the backup material 19, a sealing material 19A is applied. An insulating material 44 is attached to the indoor protrusion 511D.

The blind prospective piece 512 is continuous with the indoor facing piece 511, and a step portion 512A is formed in the indoor portion.
The blind prospective piece 513 is continuous with the indoor facing piece 511 and is positioned below the blind prospective piece 512. A hanging piece portion 513A is formed in the indoor portion of the blind prospective piece 513.
The indoor finding piece 514 is continuous with the blind prospective pieces 512 and 513.
The engaging piece 515 is continuous with the indoor facing piece 511 and is disposed along the prospective direction of the invisible 50. The engagement piece 515 is formed with a hook-shaped engagement portion 515A.
The lower edge portion of the fireproof panel 15 is placed on the step portion 512A of the blind piece 512 via the setting block, and the support plate 16 that supports the lower edge portion of the fireproof panel 15 is placed on the indoor finding piece 514. Is screwed.

The pressing edge 52 is formed in a substantially T-shaped cross section by a combination of a connecting piece 53, an outdoor facing piece 54, and an insulating material 55 (heat insulating material) for indoor and outdoor heat insulation.
The connecting piece 53 is disposed along the prospective direction of the intangible 50 and has an engaging portion 531 and an engaging piece portion 533.
The engaging portion 531 is formed in a bowl shape and is engaged with the engaging portion 515 </ b> A of the seamless body 51. The engagement piece portion 533 protrudes from the outdoor end portion of the connecting piece 53 to both sides (upper side and lower side) in the direction in which the mesh 50 is found, and enormous portions are formed at both ends thereof.

The outdoor facing piece 54 is arranged along the direction in which the invisible eye 50 is found, and has an engaging recess 541 positioned in the middle thereof and a pair of mounting portions 542 and 543 positioned at both ends thereof. Has been.
The engaging recess 541 is formed to have opposing surfaces that respectively oppose the indoor surface and the outdoor surface of the engaging piece portion 533.
The insulating material 55 is attached so as to cover the engaging piece portion 533, and the outer surface of the insulating material 55 is covered with the engaging concave portion 541.
The mounting portion 542 is positioned above the engaging recess 541, and the mounting portion 543 is positioned below the engaging recess 541. A gasket 18 that contacts the outdoor surface of the panel 21 is mounted on the mounting portion 542. A gasket 18 that comes into contact with the outdoor surface of the panel 22 is mounted on the mounting portion 543.

  When replacing the panels 21 and 22, the pressing edge 52 is removed from the seamless body 51. Here, the outdoor facing piece 54 can be attached to and detached from the connecting piece 53 by sliding along the longitudinal direction of the engaging piece portion 533. When the outdoor facing piece 54 is slid, the insulating material 55 that covers the engaging piece portion 533 is exposed, so that it is possible to easily check the mounting state of the insulating material 55 by visual observation.

The cover piece 56 is configured in the same manner as the cover piece 43 and is disposed in the upside down direction. Accordingly, the components of the cover piece 56 are appropriately given the same reference numerals as those of the configuration of the cover piece 43, and detailed description thereof is omitted.
The concave portion 431 of the cover piece 56 is engaged with the insulating material 44 attached to the indoor protrusion 511D, and the indoor end portion 432 of the cover piece 56 is screwed to the hanging piece 513A via the insulating material 45. It has been stopped.

A vertical frame 60 shown on the right side in FIGS. 7 and 8 includes a vertical frame body 61, a pressing edge 62, and a cover piece 63.
The vertical frame body 61 is a threading member extending from the upper frame 30 to the lower frame 40, and includes an indoor facing piece 611, a vertical frame expected piece 612 (a prospective piece), an indoor finding piece 613, and an engaging piece 614. It is formed.
The indoor facing piece 611 is arranged along the direction in which the vertical frame 60 is found, and extends from the vertical frame prospective piece 612 toward the inside of the openings 23 and 24 (right side in FIGS. 7 and 8). 611A. An outdoor protrusion 611B is locked to the outdoor surface of the extension 611A, and an indoor protrusion 611C is formed on the indoor surface of the extension 611A. The indoor protrusion 611C is located on the right side in FIGS. 7 and 8 with respect to the outdoor protrusion 611B. As shown in FIG. 7, a gasket 11 that comes into contact with the indoor surface of the panel 21 is attached to the upper portion of the outdoor protrusion 611 </ b> B (the upper portion of the joint 50). As shown in FIG. 8, a backup material 19 that comes into contact with the indoor surface of the panel 22 is attached to the lower part of the outdoor protrusion 611 </ b> B (the lower part than the mesh 50). As shown in FIG. 8, an insulating material 44 for insulating the cover piece is attached to the lower portion of the indoor protrusion 611 </ b> C (the portion below the mesh 50). A sealing material 19A is applied next to the backup material 19.

The vertical frame prospective piece 612 is continuous with the indoor facing piece 611, and mounting portions 612A and 612B are formed. A watertight material 12A formed with two fins is mounted on the upper portion of the mounting portion 612A. A watertight material 12 is attached to the lower portion of the attachment portion 612B. The airtight member 13 is attached to the attachment portion 612B. In addition, the fireproof panel 15 is attached to the upper part of the vertical frame prospective piece 612 (the upper part from the joint 50) via the mounting bracket 16A and the support plate 16.
The indoor finding piece 613 is continuous with the vertical frame prospective piece 612.
The engagement piece 614 is formed so as to protrude from the outer end (the left end in FIGS. 7 and 8) of the indoor facing piece 611 to the indoor side. The engagement piece 614 is formed with a hook-shaped engagement portion 614A.

  The pressing edge 62 is configured in the same manner as the pressing edge 32 and is arranged along the vertical direction. Accordingly, the components of the push ledge 62 are appropriately assigned the same reference numerals as those of the push lip 32, and detailed description thereof is omitted. In addition, the upper part (upper part than the mesh 50) of the gasket 18 attached to the pressing edge 62 is in contact with the outdoor surface of the panel 21, and the lower part of the gasket 18 (lower than the mesh 50). The portion) is in contact with the outdoor surface of the panel 22.

The cover piece 63 is arranged along the prospective direction of the vertical frame 60. A concave portion 631 that is concave toward the outdoor side is formed at the outdoor end portion of the cover piece 63. The indoor end portion 632 of the cover piece 63 extends in the direction in which the vertical frame 60 is found, and further extends to the outdoor side to form an inverted U shape. The recess 631 is engaged with the insulating material 44 attached to the indoor protrusion 611C. The indoor end portion 632 is screwed to the vertical frame prospective piece 612 via another insulating material 45 for insulating the cover piece.
The cover piece 63 is located on the right side in FIGS. 7 and 8 with respect to the inner prospective surface of the vertical frame prospective piece 612 and covers the inner side surface of the vertical frame prospective piece 612 at this position. In addition, the outdoor end of the cover piece 63 is formed to be thin, and is positioned so as to cover the tip of the extending portion 611A in a non-contact state.

  The vertical frame 60 shown on the left side in FIGS. 7 and 8 is formed in the same manner as the vertical frame 60 on the left side and is arranged in the left and right direction, and thus detailed description thereof is omitted.

FIG. 9 is a cross-sectional view taken along line IX-IX shown in FIG.
The inner prospective piece 412 and the outer prospective piece 413 of the lower frame main body 41 are screwed to the vertical frame prospective piece 612 of the vertical frame main body 61 by screws 25.
The sealer 26 is interposed between the both ends of the inner prospective piece 412, the outer prospective piece 413, and the cover piece 43 and the vertical frame prospective piece 612. Thereby, while the inside of the lower frame main body 41 is interrupted | blocked from the outside, between the cover piece 43 and the inner side prospective piece 412 is interrupted | blocked from the interior and exterior.

The blind prospective pieces 512 and 513 of the seamless body 51 are screwed to the vertical frame prospective pieces 612 by screws 25.
The sealer 26 is interposed between the both ends of the blind prospective pieces 512 and 513 and the cover piece 56 and the vertical frame prospective piece 612. As a result, the inside of the seamless body 51 is blocked from the outside, and the space between the cover piece 56 and the blind prospective piece 513 is blocked from the inside and outside of the room.

  The cover piece 63 has an upper end in contact with the cover piece 56 and a lower end in contact with the cover piece 43. Airtight members 27 are respectively installed on the upper part and the lower part between the cover piece 63 and the vertical frame prospective piece 612. Thereby, between the cover piece 63 and the vertical frame prospective piece 612 is interrupted | blocked from indoors and outdoors.

  In the curtain wall 1 configured by arranging a plurality of the above-described curtain wall units 10 vertically and horizontally, the upper frame 30 and the lower frame 40 are adjacent to each other in the vertical direction. As shown in FIG. 4, the watertight material 12, the outdoor watertight material 17 and the airtight material 13 attached to the upper frame 30 correspond to the watertight material 12, the outdoor watertight material 17 and the airtight material 13 attached to the lower frame 40, respectively. The fitting convex member 14 </ b> A attached to the upper frame 30 is in contact with the fitting concave member 14 </ b> B attached to the lower frame 40. An isobaric space that is equal in pressure to the outdoor outside air is formed by contact between the watertight members 12 and the airtight members 13. In addition, the contact between the outdoor watertight members 17 suppresses the intrusion of rainwater or the like at a position closer to the outdoor side of the frame body 20, and the connecting pieces 33 and the frames located on the indoor side of the outdoor facing pieces 34. Exposure to the outdoor side of the main bodies 31 and 41 is eliminated.

  In the curtain wall 1, the left and right vertical frames 60 are adjacent to each other in the left-right direction. The watertight members 12A, the outdoor watertight members 17 and the airtight members 13 attached to the vertical frame 60 are in contact with each other as shown in FIG. 7, and the watertight members 12 are in contact with each other as shown in FIG. ing. An isobaric space is formed between the water-tight material 12, 12A and the air-tight material 13 so as to have the same pressure as the outdoor outdoor air. In addition, the contact between the outdoor watertight members 17 suppresses intrusion of rainwater or the like at a position closer to the outdoor side of the frame body 20, and the connection pieces 33 and the connection pieces 33 that are located on the indoor side of the outdoor facing pieces 34. The exposure of the vertical frame body 61 to the outdoor side is eliminated.

  In the curtain wall 1, as shown in FIG. 7, a refractory material 15 </ b> A is attached to the upper portion of the indoor surface of each adjacent vertical frame 60. Further, as shown in FIG. 8, an indoor end cover piece 66 is engaged with the lower portion of the indoor surface of each adjacent vertical frame 60 via an insulating material 64 (heat insulating material) and an engaging member 65. Yes.

[Construction of curtain wall]
Hereinafter, the construction of the curtain wall 1 will be described.
In the factory, first, a frame in which the upper frame body 31, the lower frame body 41, the seamless body 51, and the left and right vertical frame bodies 61 are framed is prepared. It is assumed that the gasket 11 and the backup material 19 are mounted on the upper frame main body 31, the lower frame main body 41, the seamless main body 51, and the left and right vertical frame main bodies 61, respectively. In addition, the cover pieces 43, 56, and 63 are attached to the lower frame main body 41, the seamless main body 51, and the left and right vertical frame main bodies 61 through insulating materials 44 and 45, respectively.
On the other hand, pressing edges 32, 42, 52, 62 constituted by the connecting piece 33, the outdoor facing piece 34 and the insulating material 35 are prepared. It is assumed that the outdoor sealing material 17 is attached to the pressing edges 32, 42, 62.
Next, the panels 21 and 22 are disposed in the openings 23 and 24, respectively. Subsequently, the pressing edges 32, 42, 52, 62 are engaged with the upper frame body 31, the lower frame body 41, the seamless body 51, and the vertical frame body 61, and the gasket 18 is attached to the pressing edges 32, 42, 52, 62. Attach and hold the panels 21 and 22.
In this way, a plurality of curtain wall units 10 are assembled.

Next, the assembled curtain wall units 10 are transported to the construction site, and a plurality of the curtain wall units 10 are arranged side by side along the wall portion of the building 2. In the juxtaposed state, the watertight members 12, the watertight members 12 </ b> A, and the airtight members 13 of the curtain wall units 10 come into contact with each other to form the aforementioned isobaric space. Moreover, the outdoor watertight materials 17 are in contact with each other on the outdoor side of the watertight materials 12 and 12 </ b> A, and the intrusion of rainwater and the excessive inflow of outdoor outdoor air are suppressed.
In this way, the curtain wall 1 is constructed.

[Effect of this embodiment]
(1) In the curtain wall 1, the watertight members 12, the watertight members 12 </ b> A, and the airtight members 13 of the curtain wall units 10 adjacent to each other are brought into contact with each other to contact the watertight member 12 and the airtight member 13, the watertight member 12 </ b> A, and the airtight member. An isobaric space for the outdoor air outside the room is formed between the materials 13 to form an isobaric structure capable of suppressing the intrusion of rainwater from the outdoor side. In such a configuration, since the insulating materials 35 and 55 for indoor and outdoor heat insulation are interposed between the outdoor facing pieces 34 and 54 and the connecting pieces 33 and 53, the outdoor facing pieces 34 and 55 exposed to the outdoor side. The heat conduction from 54 to the connecting pieces 33 and 53 can be insulated, and the heat insulation between the interior and the exterior can be improved.
Moreover, since the insulating materials 35 and 55 are attached to the outdoor side of the watertight materials 12 and 12A, the outdoor air outside the frame main bodies 31, 41, 51 and 61 located on the indoor side of the insulating materials 35 and 55. It is possible to reduce the temperature change depending on the temperature, and to suppress the heat conduction from each frame main body to the isobaric space between the watertight material 12, 12A and the airtight material 13, thereby reducing the temperature change depending on the outdoor air outside the isobaric space. . Thereby, it becomes easier to keep the room temperature at a predetermined temperature without being affected by the temperature change caused by the outdoor outside air.
(2) The indoor facing surface 341A in which the engaging piece portions 333 and 533 are formed so as to protrude on both sides of the frame body 20 in the finding direction, and the engaging concave portions 341 and 541 are opposed to the indoor surfaces of the engaging piece portions 333 and 533. And an end facing surface 341B that faces both ends of the engaging piece portions 333 and 533 and an outdoor facing surface 341C that faces the outdoor surface of the engaging piece portions 333 and 533. , 533 and the engaging recesses 341 and 541 even if the insulating materials 35 and 55 are burned out, the opposing surfaces (particularly the indoor facing surface 341A and the outdoor facing surface 341C) of the engaging recesses 341 and 541 are engaging pieces 333. , 533 and the outdoor facing surfaces of the panels 21 and 22 can be received by the outdoor facing pieces 34 and 54, respectively. Thereby, the drop-off | omission to the outdoor side of the panels 21 and 22 can be suppressed, and flame-shielding property can be maintained.
In addition, since the engaging piece portions 333 and 533 are formed at the outdoor end portions of the connecting pieces 33 and 53, the insulating materials 35 and 55 for indoor and outdoor heat insulation can be disposed at positions closer to the outdoor side of the frame body 20. . For this reason, the part of the frame 20 affected by the outdoor temperature can be reduced, and the heat insulation can be improved.
(3) The outdoor watertight material 17 located on the outdoor side of the watertight material 12 for forming the isobaric space can block the intrusion of rainwater and reduce the portion of the frame body 20 that is affected by the outdoor temperature. In addition, excessive inflow of outdoor outside air can be suppressed, and heat insulation can be improved.
(4) Since the outdoor watertight member 17 is mounted in the mounting groove 36 defined by the connecting piece 33 and the outdoor facing piece 34, the outdoor watertight member 17 can eliminate the portion where the connecting piece 33 is exposed to the outdoor side. The heat insulation can be improved.
(5) Since the pressing edges 32, 42, 52, 62 are constituted by combinations of the outdoor facing pieces 34, 54, the connecting pieces 33, 53, and the insulating materials 35, 55, the pressing edges 32, 42, 52, The panels 21 and 22 can be held only by engaging the frame 62 with the frame bodies 31, 41, 51 and 61.
Further, when the panels 21 and 22 are exchanged, the pressing edges 32, 42, 52, 62 can be removed simply by releasing the engagement between the pressing edges 32, 42, 52, 62 and the frame main bodies 31, 41, 51, 61. The panels 21 and 22 can be exchanged, and workability can be improved.
(6) Since each cover piece 43, 56, 63 is connected to each frame main body 41, 51, 61 via each insulating material 44, 45, each cover piece 43, The heat transfer to 56 and 63 can be insulated. As described above, since the heat transfer to the cover pieces 43, 56, 63 is insulated by the insulating materials 44, 45, the temperature difference between the cover pieces 43, 56, 63 and the indoor space can be reduced. It can suppress that dew condensation arises in 56,63.
Furthermore, since the spaces between the cover pieces 43, 56, 63 and the frame bodies 41, 51, 61 are blocked from room air, it is possible to suppress the inflow of moist air from the indoor side into the spaces. , Dew condensation on the inner prospective piece 412, the blind prospective piece 513, and the vertical frame prospective piece 612 can be reduced.
In addition, one cover piece 43 is connected to one lower frame main body 41, one cover piece 56 is connected to one invisible main body 51, and one cover piece 63 is one vertical frame main body. Therefore, the cover pieces 43, 56, 63 can be connected to the frame main bodies 41, 51, 61 in advance before the on-site construction of the curtain wall unit 10.
(7) Outdoor protrusions 411B, 511C, extending portions 411A of the lower frame body 41 insulated from the outdoor facing pieces 34, 54, extending portions 511A of the seamless body 51, and extending portions 611A of the vertical frame body 61, 611B and the indoor protrusions 411C, 511D, and 611C are provided, so that the backup material 19 and the insulating material 44 can be easily provided in the indoor and outdoor directions, and the insulating material 44 and the cover pieces 43, 56, and 63 are recessed. 431 and 631 can be securely attached.
(8) Since the insulating materials 35 and 55 are installed so as to cover the outdoor surfaces of the engaging pieces 333 and 533, respectively, when the pressing edges 32 and 52 are removed when the panels 21 and 22 are replaced, the outdoor facing By sliding the pieces 34 and 54 along the longitudinal direction of the engaging piece portions 333 and 533, the attachment state of the insulating materials 35 and 55 can be confirmed by visual observation, and workability can be improved.
(9) In the curtain wall unit 10, the sealer 26 is interposed between the both ends of the inner prospective piece 412, the outer prospective piece 413 and the cover piece 43 and the vertical frame prospective piece 612. The sealer 26 is interposed between the both ends of 513 and the cover piece 56 and the vertical frame prospective piece 612, and the upper portion and the lower portion between the cover piece 63 and the vertical frame prospective piece 612 are airtight. Each material 27 is installed. That is, the curtain wall unit 10 is sealed by the sealer 26 and the airtight material 27 described above. For this reason, when each curtain wall unit 10 is constructed on site, the inner prospective pieces 412, the outer prospective pieces 413, the cover pieces 43, the vertical frame prospective pieces 612, and the blind prospective pieces 512 and 513 are both opposite ends. It is possible to save the trouble of sealing between the cover portion 63 and the vertical frame prospective piece 612 and between the cover piece 63 and the vertical frame prospective piece 612.

[Modification]
The present invention is not limited to the configuration described in the above embodiment, and modifications within a range in which the object of the present invention can be achieved are included in the present invention.
For example, in the embodiment, the mounting groove 36 defined by the connecting piece 33 and the outdoor facing piece 34 is formed. However, the present invention is not limited to this. For example, only the connecting piece 33 forms a concave mounting groove. However, the outdoor watertight material 17 may be mounted in the mounting groove.
Moreover, in the said embodiment, although the outdoor watertight material 17 is provided in the outdoor side part rather than the watertight material 12, the structure of this outdoor watertight material 17 may be abbreviate | omitted.

  In the said embodiment, although the connection pieces 33 and 53 are comprised so that each frame main body 31,41,51,61 can be engaged separately, it is not limited to this, For example, the connection pieces 33 and 53 are attached. You may form integrally as a part of each frame main body 31,41,51,61.

  In the above-described embodiment, the engaging piece portions 333 and 533 are formed on the outdoor end portion of the connecting piece 33 so as to protrude on both sides in the direction in which the frame body 20 is found. However, the present invention is not limited to this, and the direction in which the frame body 20 is found. It may be formed protruding on one side.

  In the embodiment, the cover pieces 43, 56, and 63 are provided, but these structures may be omitted.

  DESCRIPTION OF SYMBOLS 1 ... Curtain wall, 10 ... Curtain wall unit, 11, 18 ... Gasket, 12, 12A ... Watertight material, 13, 27 ... Airtight material, 14A ... Fitting convex member, 14B ... Fitting concave material, 15 ... Fireproof panel, 15A ... Refractory material, 16 ... Support plate, 16A ... Mounting bracket, 17 ... Outdoor watertight material, 19 ... Backup material, 19A ... Sealing material, 2 ... Building, 20 ... Frame body, 21, 22 ... Panel, 23, 24 ... Opening, 25 ... Screw, 26 ... Sealer, 3 ... Beam, 30 ... Upper frame, 31 ... Upper frame body, 311, 411, 511, 611 ... Indoor facing piece, 311A, 411B, 511B, 511C, 611B ... Outdoor projection , 312, 412 ... inner prospective piece, 312A, 512A ... stepped part, 313, 413 ... outer prospective piece, 313A, 313B, 342, 413A, 413B, 542, 543, 61 A, 612B ... Mounting part, 313C, 331, 413C, 515A, 531, 614A ... Engagement part, 314, 414, 514, 613 ... Indoor locating piece, 32, 42, 52, 62 ... Pushing edge, 33, 53 ... Connection Pieces, 332... Opposing pieces, 333 and 533. Engagement pieces, 34 and 54. Outdoor facing pieces, 341 and 541. Engaging recesses 341 A. Indoor facing surfaces, 341 B. End facing surfaces, 341 C. 35, 44, 45, 55, 64 ... insulating material, 36 ... mounting groove, 4 ... floor slab, 40 ... lower frame, 41 ... lower frame body, 411A, 511A, 611A ... extension, 411C, 511D, 611C: Indoor protrusion, 412A: Rising piece, 43, 56, 63 ... Cover piece, 431, 631 ... Recess, 432, 632 ... Indoor end, 46 ... Cosmetic material, 5 ... Suspended ceiling, 50 ... Seamless, 51 ... , 512, 513 ... blind prospective piece, 513 A ... drooping piece part, 515, 614 ... engagement piece, 60 ... vertical frame, 61 ... vertical frame body, 612 ... vertical frame prospective piece, 65 ... engagement member, 66 ... Indoor end cover piece.

Claims (6)

A curtain wall unit comprising a watertight material and a frame body on which an airtight material located indoors than the watertight material is mounted, and a panel disposed in the frame body,
The frame includes: a frame main body having an indoor facing piece facing the indoor surface of the panel; an outdoor facing piece facing the outdoor surface of the panel; and a connecting piece connecting the outdoor facing piece to the frame main body. Have
On the outdoor end of the connecting piece, an engaging piece projecting on both sides in the direction of finding the frame is formed,
The outdoor facing piece is formed as a separate body from the connecting piece,
The outdoor facing piece includes an indoor facing surface that faces the indoor surface of the engaging piece portion on both ends of the engaging piece portion, an end facing surface that faces both ends of the engaging piece portion, and the engagement An engagement concave portion that has an outdoor facing surface that faces the outdoor surface of the combined piece portion and is engageable with the engagement piece portion;
An insulating material for indoor and outdoor heat insulation is interposed between the engagement piece portion and the engagement recess portion ,
The curtain wall unit, wherein the insulating material is attached to the outdoor side of the watertight material.   A curtain wall unit comprising a watertight material and a frame body on which an airtight material located indoors than the watertight material is mounted, and a panel disposed in the frame body,
  The frame body includes a frame body having an indoor facing piece facing the indoor surface of the panel and a prospective piece continuous to the indoor facing piece, an outdoor facing piece facing the outdoor surface of the panel, and the outdoor facing piece. A connecting piece for connecting to the frame main body, and a cover piece for covering the inner prospective surface of the prospecting piece with a gap therebetween,
  The outdoor facing piece is formed as a separate body from the connecting piece,
  Between the outdoor facing piece and the connecting piece, an insulating material for indoor and outdoor heat insulation is interposed,
  The insulating material is attached to the outdoor side of the watertight material,
  The cover piece is connected to the frame body via an insulating material for insulating the cover piece on the outdoor side and the indoor side.
  Curtain wall unit characterized by that.   The curtain wall unit according to claim 2,
  The indoor facing piece has an extending portion that extends from the prospective piece along the direction in which the frame body is found.
  The extension portion is formed with an outdoor protrusion and an indoor protrusion,
  A backup material that contacts the panel is attached to the outdoor protrusion,
  An insulating material for insulating the cover piece is attached to the indoor protrusion,
  A concave portion that engages with the insulating material for insulating the cover piece is formed at the outdoor end of the cover piece.
  Curtain wall unit characterized by that. In curtain wall unit according to any one of claims 1 to 3,
An outdoor watertight material is further attached to a portion of the frame that is on the outdoor side of the watertight material and on the indoor side of the insulating material. The curtain wall unit according to claim 4 ,
The frame is formed with a mounting groove defined by the outdoor facing piece and the connecting piece,
The curtain wall unit, wherein the outdoor groove is attached to the mounting groove. In the curtain wall unit according to any one of claims 1 to 5 ,
The connecting piece is formed as a separate body from the frame body,
A curtain wall unit characterized in that a pressing edge that can be attached to and detached from the frame body is configured by a combination of the outdoor facing piece, the connecting piece, and the insulating material for heat insulation indoors and outdoors.

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