JP6592058B2 - Building curtain wall - Google Patents

Description

  The present invention relates to a curtain wall of a building that forms an outer wall surface of the building.

As shown in FIG. 6, the curtain wall forming the outer wall surface of the building intersects a vertical beam 1 as a vertical beam extending in the vertical direction and an invisible line 2 as a horizontal beam extending in the horizontal direction. It is set as the structure which incorporated the panel members 3, such as a glass plate and a decorative board, in the frame enclosed by.
The conventional curtain wall is made of wooden materials that are both straight and invisible, in harmony with indoor interior components and furniture, and the parts exposed to the outside air are made of metal, and wood and metal A curtain wall that blocks heat transfer between the two has been proposed (see, for example, Patent Document 1).

  FIG. 7 shows a typical example of this type of curtain wall. The assembly structure on the vertical 1 side will be mainly described, but the same applies to the invisible 2 side. A metal fixture 8 is fixed to the vertical 1 in the longitudinal direction along the outdoor end face. An intermediate member 9 made of heat-insulating synthetic resin is connected to the fixture 8 on the outdoor side, and a metal cover member 5 that covers the end surface of the vertical 1 is attached to the outdoor side via the intermediate member 9. It is done. And the outer peripheral part of the panel member 3 is pinched | interposed and fixed between the vertical 1 and the cover member 5 via the sealing material 33 and the backup material 34. FIG. The panel member 3 is generally made of composite glass having a hollow layer 32 between two opposing glass plates 3a and 3b.

Thus, in the curtain wall using the wooden stand 1 or the seamless 2, the intermediate member 9 having heat insulation is provided, so that the cover member 5 and the fixture 8 that are cooled on the outdoor side in winter are provided. Measures are taken to block heat transfer and prevent dew condensation in the vertical 1 and invisible 2 areas.
Further, the connecting portion between the cover member 5 and the intermediate member 9 and the connecting portion between the intermediate member 9 and the fixture 8 are connected so as to eliminate the difference in thermal expansion and contraction in the longitudinal direction between the members. The curtain wall constituent member is prevented from being damaged due to the difference in expansion and contraction.

Japanese Patent No. 4315984

By the way, in the curtain wall, a space P exists between the panel members 3 and 3 adjacent to each other between the vertical 1 and the mesh 2 and the cover member 5. In the space P, the temperature of the space P is lower than that of the room in winter, but the metal fixture 8 is cooled. Furthermore, the vertical 1 and the mesh 2 are cooled by the heat transfer from the fixture 8, and the vertical 1 and the mesh 2 may be condensed due to the temperature difference between the space P and the room. That's not true. In addition, the conventional curtain wall is costly because of the large number of parts, and the assembling work is troublesome.
Therefore, in view of the circumstances described above, the present invention has been made with the object of providing a curtain wall for a building that can reliably prevent winter orientation and invisible condensation, and that has good cost and assembly workability. It is a thing.

The present invention is a curtain wall of a building in which a panel member such as a glass plate is incorporated in a frame formed by a vertical extending vertically and a seamless extending horizontally.
A cover member that extends in the vertical direction and the horizontal direction along the vertical and horizontal end surfaces of the involuntary outdoor space, and is arranged so as to cover the end surfaces at a predetermined interval from the end surfaces;
A mounting member that extends in the vertical direction and the horizontal direction along the vertical and horizontal end faces of the blind, and that attaches the cover member to the end faces; and
The outer periphery of the panel member is sandwiched between the cover member and the stand and between the cover member and the invisible,
When sandwiching the outer peripheral part of the panel member, the cover member seals between the cover member and the outer peripheral part of the panel member, and between the outer peripheral part of the panel member and the vertical member, and the cover member And between the outer peripheral portion of the panel member and between the outer peripheral portion of the panel member and the invisible member with a sealing member,
The mounting member is an integrally formed body made of a non-metallic material having a lower thermal conductivity than that of metal, and a fixing portion that abuts the base end against the end face and a fixing portion that engages the cover member at the distal end. A supporting part is formed,
And the mounting member is extended along the longitudinal direction of the mounting member at a position near the support portion, and the water in the space between the cover member and the vertical and invisible is attached to the mounting member. A string-shaped drainage means for draining from the space along the member is provided (Claim 1).

  According to this, the mounting member that is directly fixed to the vertical or invisible is composed of a member having lower heat conductivity than the metal, so even if the outdoor cover member is cooled in winter, heat transfer from the cover member is performed. Cut off. Furthermore, even if the air temperature in the space inside the cover member where the mounting member is provided decreases, the vertical heat and the invisible air are not cooled by blocking the heat transfer of the mounting member, so that the vertical and invisible water condensation is reliably prevented. can do. Furthermore, the number of parts can be reduced as compared with the conventional structure, and the cost can be reduced and the assembling work can be improved.

The mounting member matches the width of the fixed portion with the width of the end surface, and covers the end surface with the fixed portion.
According to this, even if the air temperature in the space inside the cover member decreases, the end face of the vertical or invisible outdoor side is covered with the fixing portion of the mounting member, so that it is possible to more reliably Heat transfer can be blocked to prevent condensation.

The mounting member is a molded body made of synthetic resin polyamide or polyvinyl chloride.
According to this, by using a synthetic resin polyamide or polyvinyl chloride attachment member having a low thermal conductivity, heat transfer between the outside air and the vertical and invisible can be reliably blocked.

It is sectional drawing in the position which follows the XX line of FIG. 6 which shows the curtain wall of this invention. It is sectional drawing of the state which the attachment member used for the curtain wall of this invention and a cover member disassembled. It is sectional drawing of the said curtain wall in the position which follows the YY line | wire of FIG. FIG. 3 shows another curtain wall of the present invention and is a cross-sectional view corresponding to FIG. 1. FIG. 4 shows another curtain wall of the present invention and is a cross-sectional view corresponding to FIG. 3. It is a front view of the curtain wall to which the present invention is applied. It is a longitudinal cross-sectional view of the conventional curtain wall corresponding to FIG.

  In the curtain wall of the present invention, as shown in FIG. 6, a plurality of vertices 1 are installed at predetermined intervals in the left-right direction. In addition, a plurality are provided at predetermined intervals above and below. The stand 1 and the mesh 2 are made of wood. And the composite glass 3 which is a panel member is engage | inserted in the grid enclosed by the frame-shaped vertical 1 and the mesh 2 assembled in the grid | lattice form.

  The basic structure of the curtain wall of the present invention is as shown in FIGS. 1 and 2, in which a mounting member 4A projecting to the outdoor side is fixed to the end face 10 on the outdoor side of the stand 1, and the vertical wall is fixed via the mounting member 4A. A cover member 5 </ b> A that covers one end face 10 is attached. The peripheral edge of the composite glass 3 is sandwiched between the end face 10 of the vertical 1 and the cover member 5A. The basic structure on the side of the invisible 2 is almost the same as that of the vertical 1 (see FIG. 3).

  The mounting member 4A is a heat insulating member, and is a long extruded product made of synthetic resin polyamide. The integrally formed mounting member 4A has the same cross-sectional structure over the entire length. The mounting member 4 </ b> A is covered with a main body portion 40 projecting from the end face 10 of the vertical 1 to the outdoor side, a fixing portion 41 provided at a base end on the indoor side of the main body portion 40, and a distal end of the main body portion 40 on the outdoor side. And a support portion 42 that supports the member 5A.

  The fixing portion 41 is formed in a flat plate shape protruding from the base end of the main body portion 40 to the left and right sides. Then, the mounting member 4A is arranged at the center position in the width direction of the end face 10 of the vertical 1, the fixing portion 41 is brought into contact with the end face 10 of the vertical 1, and the fixing portion 41 is fastened by a plurality of screw members N. It is fixed by that.

  The support portion 42 includes a flat outdoor surface facing the outdoor side. The support portion 42 is provided with a pair of left and right locking claws 43, 43 serving as locking portions that support the cover member 5 </ b> A, having a bowl shape in cross section on the outdoor surface.

The cover member 5 </ b> A is an aluminum plate and covers the outdoor side end of the vertical 1, and has substantially the same width as the vertical 1. The cover member 5A is provided with locking claws 52, 52 opposite to these corresponding to the locking claws 43, 43 of the mounting member 4A at the center in the width direction of the back surface.
The cover member 5A is attached so as to cover the outdoor side end of the stand 1 by engaging the engaging claws 52, 52 at the center of the back surface with the engaging claws 43, 43 of the attachment member 4A, respectively. Thus, the cover member 5A and the attachment member 4A that are connected by locking are movable with respect to each other along the longitudinal direction, and the difference in thermal expansion and contraction in the longitudinal direction between the members can be eliminated. Prevents damage due to thermal expansion and contraction.

  Further, as shown in FIG. 3, the mounting member 4B is also mounted horizontally along the end face 20 on the outdoor side, and the cover member 5B is supported thereby. Note that an aluminum channel portion 21 having an upwardly shallow U-shaped cross section is assembled to the upper edge of the end face 20 of the seamless 2. The channel portion 21 plays a role in receiving condensation when the room temperature and humidity are higher than the outside in the winter, and condensation occurs on the glass surface on the indoor side.

  The mounting member 4B is a heat insulating member, similar to the mounting member 4A on the vertical 1 side, and is a long extruded product made of synthetic resin polyamide and has the same cross-sectional structure over the entire length. The mounting member 4B supports the cover member 5B at the main body portion 40 protruding from the end face 20 to the outdoor side, the fixing portion 41 provided at the base end on the indoor side of the main body portion 40, and the outdoor tip of the main body portion 40. The support part 42 to be provided. Further, the support portion 42 includes a pair of upper and lower locking claws 43, 43 which are hooked sections supporting the cover member 5B on the outdoor surface.

  The fixing portion 41 is formed in a flat plate shape protruding from the base end of the main body portion 40 to both the upper and lower sides. The mounting member 4B is disposed at the center position in the vertical width direction of the end face 20 of the mesh 2, the fixing portion 41 is brought into contact with the end surface 20, and the fixing portion 41 is fastened by a plurality of screw members N. Has been.

  The cover member 5 </ b> B is an aluminum plate that covers the end of the outdoor side of the mesh 2, and has substantially the same width as the vertical width of the mesh 2. The cover member 5B includes locking claws 52 and 52 in the opposite direction to the locking claws 43 and 43 of the mounting member 4B at the center in the width direction on the back surface. The cover member 5B is attached so that the engagement claws 52, 52 at the center of the back surface are respectively engaged with the engagement claws 43, 43 of the attachment member 4B so as to cover the seamless outer end portion. As with the vertical 1 side, the cover member 5B and the attachment member 4B connected by locking are movable with respect to each other along the longitudinal direction, thereby eliminating the difference in thermal expansion and contraction between the members in the longitudinal direction. It is possible to prevent breakage due to thermal expansion / contraction difference between members.

  The composite glass 3 has a double structure in which two glass plates 3a and 3b facing each other are bonded to each other through a spacer 31 at the periphery thereof, and a hollow layer 32 is provided between the glass plates 3a and 3b. In the composite glass 3, for example, a backup material 34 made of synthetic resin foam is bonded to the indoor surface of the indoor glass plate 3 a and the outer periphery of the outdoor glass plate 3 b. And the composite glass 3 is arrange | positioned in the part enclosed by the attachment members 4A and 4B attached to the vertical 1 and the seamless 2 respectively. Further, the cover members 5A and 5B are attached to the attachment members 4A and 4B, and between the cover member 5A and the edge portion on the side of the end surface 10 of the stand 1 and between the cover member 5B and the edge portion on the side of the end surface 20 of the mesh 2. Thus, the composite glass 3 is sandwiched through the backup material 34. Furthermore, in the gap between the glass plate 3a and the edge 1 side edge of the vertical 1, the gap between the glass plate 3a and the edge 2 side edge 20 of the blank 2, and the gap between the cover members 5A and 5B and the glass plate 3b. The composite glass 3 is attached by filling a sealing material 33 such as silicon. The lower edge of the composite glass 3 is supported on the mounting member 4B by a hard rubber support member 35 (FIG. 3).

In addition, 7A and 7B in the figure indicate water that has entered the space P between the cover members 5A and 5B and the stand 1 or the invisible 2 due to deterioration of the seal between the cover members 5A and 5B and the composite glass 3 or the like. It is a member for draining. For example, it is composed of a twisted string made of synthetic resin. As a result, water that has entered the space P is drained through the twisted strings 7A and 7B.

  As described above, the curtain wall of the present embodiment is a curtain wall of a building in which the composite glass 3 is incorporated in a frame formed by the vertical wall 1 extending in the vertical direction and the mesh 2 extending in the horizontal direction. And extending in the vertical direction and the horizontal direction along the end surfaces 10 and 20 on the outer sides of the vertical 1 and the seamless 2 so as to cover the end surfaces 10 and 20 at a predetermined interval from the end surfaces 10 and 20, respectively. The arranged cover members 5A and 5B and the end faces 10 and 20 of the vertical and seamless 2 outdoor sides respectively extend in the vertical and horizontal directions, and cover members 5A and 5B are provided on the end faces 10 and 20, respectively. Mounting members 4A and 4B to be mounted, so that the outer peripheral portion of the composite glass 3 is sandwiched between the cover members 5A and 5B and the stand 1 and between the cover members 5A and 5B and the mesh 2. None, mounting members 4A and 4B are more than metal An integrally molded body made of a non-metallic material having low conductivity, and a fixing portion 41 that abuts and fixes to the end surfaces 10 and 20 at the base end, and a support portion that engages and supports the cover members 5A and 5B at the tip end 42.

  In the curtain wall of the present embodiment, the attachment members 4A and 4B are formed bodies made of synthetic resin polyamide.

According to the curtain wall of the present embodiment, the mounting members 4A and 4B that are directly fixed to the vertical 1 and the seamless 2 are made of the synthetic resin polyamide having a lower thermal conductivity than the metal. Even if 5A and 5B are cooled, the heat transfer from the cover members 5A and 5B to the vertical 1 and the seamless 2 can be blocked by the mounting members 4A and 4B. Furthermore, even if the temperature of the space P inside the cover members 5A and 5B provided with the mounting members 4A and 4B is lowered, the vertical member 1 and the mesh 2 are not cooled by blocking the heat transfer of the mounting members 4A and 4B. , Surely prevent the dew condensation of the vertical 1 and seamless 2. Furthermore, the number of parts can be reduced as compared with the conventional structure, and the cost can be reduced and the assembling work can be improved.
Note that the mounting members 4A and 4B may be an integrally molded body made of a synthetic resin polyvinyl chloride having a thermal conductivity lower than that of a metal. Moreover, it is not limited to a synthetic resin, but may be a ceramic having a lower thermal conductivity than a metal.

  Further, as another curtain wall structure to which the present invention is applied, as shown in FIGS. 4 and 5, as shown in FIGS. 4 and 5, the mounting member 4 </ b> C having the same dimension in which the lateral width of the fixing portion 41 a matches the lateral width of the end face 10 of the vertical 1, You may use attachment member 4D of the same dimension in which the up-and-down width of the fixing | fixed part 41b corresponds with the up-and-down width of the end surface 20 of the 2 eyes. The basic structure of the other curtain wall is the same as that of the previous curtain wall (the structure shown in FIGS. 1 to 3), and will be described in the differences.

  The mounting member 4C on the vertical 1 side has a fixing portion 41a formed in a flat plate shape extending from the base end of the main body portion 40 to the left and right sides, and the horizontal width of the fixing portion 41a is the horizontal direction of the end surface 10 of the vertical 1 It has the same dimensions that match the horizontal width. The mounting member 4 </ b> C is arranged such that the fixing portion 41 a is brought into contact with the end surface 10 of the vertical 1 and the end surface 10 is covered with the fixing portion 41 a, and is fastened by a plurality of screw members N.

  The composite glass 3 is sandwiched between the cover member 5 </ b> A and the fixing portion 41 a of the attachment member 4 </ b> C covering the end face 10 of the vertical 1 via the backup material 34. Further, a silicon-based sealing material 33 is filled in the gap between the indoor glass plate 3 a and the fixing portion 41 a covering the end face 10 of the vertical 1. Thus, the end face 10 of the vertical 1 covered with the fixing portion 41a of the attachment member 4C is isolated from the space P inside the cover member 5A.

  The mounting member 4 </ b> D on the sideless side 2 is formed in a flat plate shape in which the fixing portion 41 b extends from the base end of the main body portion 40 to both the upper and lower sides, and the vertical width of the fixing portion 41 b matches the vertical width of the end surface 20 of the seamless side 2. Are the same dimensions. The mounting member 4 </ b> D is arranged so that the fixing portion 41 b is brought into contact with the end face 20 of the eyeless 2 so as to cover the end surface 20 with the fixing portion 41 b, and is fastened with a plurality of screw members N.

  The composite glass 3 is sandwiched between the cover member 5 </ b> A and the fixing portion 41 b of the attachment member 4 </ b> D that covers the end face 20 of the mesh 2 via the backup material 34. Further, a silicon-based sealing material 33 is filled in the gap between the indoor glass plate 3a and the fixing portion 41b covering the endless face 20 of the mesh. Thus, the seamless end surface 20 covered with the fixing portion 41b of the mounting member 4D is isolated from the space P inside the cover member 5A.

  As described above, according to another curtain wall, the same effect as that of the previous curtain wall can be obtained, and the end face 10 of the vertical 1 is covered with the fixing portion 41a of the mounting member 4C, and the fixing portion 41b of the mounting member 4D. Since the heat transfer between the space P and the vertical 1 inside the cover members 5a and 5b and between the space P and the seamless 2 is interrupted, the vertical 1 and the seamless 2 are surely covered. 2 condensation can be prevented.

1: Standing, 10: End face, 2: Seamless, 20: End face, 3: Composite glass (panel member), 4A, 4B, 4C, 4D: Mounting member, 41, 41a, 41b: Fixed part, 42: Support Part, 5A, 5B: cover member

Claims (3)

A curtain wall of a building in which a panel member such as a glass plate is incorporated in a frame formed by a vertical extending in a vertical direction and a seamless extending in a horizontal direction,
A cover member that extends in the vertical direction and the horizontal direction along the vertical and horizontal end surfaces of the involuntary outdoor space, and is arranged so as to cover the end surfaces at a predetermined interval from the end surfaces;
A mounting member that extends in the vertical direction and the horizontal direction along the vertical and horizontal end faces of the blind, and that attaches the cover member to the end faces; and
The outer periphery of the panel member is sandwiched between the cover member and the stand and between the cover member and the invisible,
When sandwiching the outer peripheral part of the panel member, the cover member seals between the cover member and the outer peripheral part of the panel member, and between the outer peripheral part of the panel member and the vertical member, and the cover member And between the outer peripheral portion of the panel member and between the outer peripheral portion of the panel member and the invisible member with a sealing member,
The mounting member is an integrally formed body made of a non-metallic material having a lower thermal conductivity than that of metal, and a fixing portion that abuts the base end against the end face and a fixing portion that engages the cover member at the distal end. A supporting part is formed,
And the mounting member is extended along the longitudinal direction of the mounting member at a position near the support portion, and the water in the space between the cover member and the vertical and invisible is attached to the mounting member. A curtain wall of a building comprising string-like drainage means for draining from the space along the member.   2. The curtain wall of a building according to claim 1, wherein the mounting member has a width of the fixed portion that matches a width of the end surface and covers the end surface with the fixed portion.   3. The building curtain wall according to claim 1, wherein the mounting member is a molded body made of a synthetic resin polyamide or polyvinyl chloride.

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