JP2019078027A - Curtain wall of building - Google Patents

Abstract

To provide a curtain wall of a building capable of surely preventing dew condensation of a mullion and a transom and having good cost and assembly workability.SOLUTION: A curtain wall of a building constituted by incorporating a panel member 3 in a frame formed of a vertical mullion 1 and a horizontal transom 2 is provided with: cover members 5A, 5B arranged so as to cover the chamber outer side end faces 10, 20 of the mullion 1 and the transom 2; and mounting members 4A, 4B provided along the end faces 10, 20 of the mullion 1 and the transom 2 attaching the cover members 5A, 5B, and in a structure for clamping an outer peripheral part of the panel member 3 between cover members 5A, 5B and the mullion 1 and the transom 2, the mounting members 4A, 4B which are made of a monolithic body made of a non-metallic material having a thermal conductivity lower than that of metal, and provided with a fixing part 41 for abutting and fixing the end faces 10, 20 at a base end and a supporting part 42 for supporting the cover members 5A, 5B at the tip end.SELECTED DRAWING: Figure 1

Description

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

As shown in FIG. 6, the curtain wall which forms the outer wall surface of the structure crosses the gauze 1 as a vertical rail extending in the vertical direction and the blind eye 2 as a horizontal rail extending in the horizontal direction. The panel member 3 such as a glass plate or a decorative plate is incorporated in a frame surrounded by the above.
The conventional curtain wall is made of wood that is harmonious with the interior parts and furniture of the room, and it is made of metal material, and the wood and metal material A curtain wall has been proposed which shuts off heat transfer between them (for example, see Patent Document 1).

  FIG. 7 shows a representative example of this kind of curtain wall. The description will be made centering on the assembly structure on the side 1 of the side, but the same applies to the side 2 on the blind side. A metal fixture 8 is fixed to the cross section 1 in the longitudinal direction along the end face of the outdoor side. An intermediate member 9 made of heat insulating synthetic resin is connected to the outer side of the mounting fixture 8, and a metal cover member 5 covering the end face of the gauze 1 is attached to the outer side through the intermediate member 9 Be Then, the outer peripheral portion of the panel member 3 is sandwiched and fixed between the cross member 1 and the cover member 5 via the sealing material 33 and the backup material 34. In general, a composite glass having a hollow layer 32 between two opposing glass plates 3 a and 3 b is used as the panel member 3.

As described above, in the curtain wall using the wooden crosses 1 and 2, by providing the heat insulating intermediate member 9, the space between the cover member 5 and the fixture 8 which are cooled on the outdoor side in winter and the like The heat transfer is shut off in order to prevent condensation on the side 1 and the other side 2.
Furthermore, 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 thermal expansion and contraction difference between the members in the longitudinal direction, thereby the heat between the members The breakage of the curtain wall component caused by the expansion difference is prevented.

Patent No. 4315984

By the way, in the curtain wall, a space P is present between the adjacent panel members 3 and 3 between the side walls 1 and 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 temperature of the space P is lower than that of the room, so the metal fixture 8 is cooled. Further, heat transfer from the fixture 8 cools the gates 1 and 2 and the temperature difference between the space P and the room may cause condensation of the gates 1 and 2; the conventional measures against condensation are sufficient. It can not be said. In addition, the conventional curtain wall is expensive because it has a large number of parts, and it takes time and labor for assembly work.
Therefore, in view of the above-mentioned circumstances, the present invention is made to provide a curtain wall of a structure which can surely prevent winter standing and nocturnal condensation and which is excellent in cost and assembling workability. It is

The present invention relates to a curtain wall of a structure in which a panel member such as a glass plate is incorporated in a frame formed by a vertically extending vertical plate and a horizontally extending blind frame.
A cover member extending in the vertical and horizontal directions respectively along the end face of the square and the blind outer side, and arranged to cover the end face at a predetermined distance from the end face;
An attachment member extending in the vertical and horizontal directions respectively along the end face of the vertical and the blind outer side, and attaching the cover member to the end face;
The outer peripheral portion of the panel member is held between the cover member and the cross section, and between the cover member and the blindness.
The mounting member is an integral molding made of a nonmetallic material having a thermal conductivity lower than that of metal, a fixing portion which abuts on and fixed to the end face at the proximal end, and engages the cover member at the distal end And a supporting part for supporting the apparatus.

  According to this, since the mounting member to be fixed directly or squarely is constituted by a member having a lower thermal conductivity than the metal, even if the outdoor cover member is cooled in winter or the like, heat transfer from the cover member is Cut off. Furthermore, even if the temperature of the space inside the cover member provided with the mounting member is lowered, the heat transfer of the mounting member is cut off so that the sideways and blindness is not cooled, thereby reliably preventing the sideways and blinding condensation. can do. Furthermore, compared with the conventional structure, the number of parts can be reduced, and the cost can be reduced and the assembling operation can be improved.

The mounting member makes the width of the fixing portion coincide with the width of the end surface, and covers the end surface with the fixing portion (claim 2).
According to this, even if the air temperature in the space inside the cover member is lowered, the end face of the outer side of the lateral and blind sides is covered with the fixing portion of the mounting member, so that the lateral and blindness can be more reliably reached. Heat transfer can be shut off to prevent condensation.

The mounting member is a molded body made of synthetic resin polyamide or polyvinyl chloride (claim 3).
According to this, it is possible to reliably shut off the heat transfer between the outside air and the square and the blind by using the mounting member made of polyamide or polyvinyl chloride of synthetic resin having low thermal conductivity.

It is sectional drawing in the position in alignment with XX of FIG. 6 which shows the curtain wall of this invention. It is sectional drawing of the state which decomposed | disassembled the attachment member and cover member which are used for the curtain wall of this invention. It is sectional drawing of the said curtain wall in the position which follows the YY line of FIG. FIG. 6 is a cross-sectional view corresponding to FIG. 1, showing another curtain wall of the present invention. FIG. 6 is a cross-sectional view corresponding to FIG. 3, showing another curtain wall of the present invention. It is a front view of a 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 according to the present invention, as shown in FIG. 6, a plurality of cross fences 1 are installed at predetermined intervals in the left and right direction, and blindness 2 is horizontally installed between adjacent left and right cross walks 1. And a plurality of them are provided at predetermined intervals in the vertical direction. The two sides are made of wood. Then, a composite glass 3 as a panel member is fitted in a grid surrounded by frame-like grids 1 and blinds 2 assembled in a grid shape.

  In the basic structure of the curtain wall according to the present invention, as shown in FIGS. 1 and 2, the mounting member 4A projecting to the outdoor side is fixed to the end face 10 on the outdoor side of the building 1 A cover member 5A covering the end face 10 of 1 is attached. Then, the peripheral edge of the composite glass 3 is pinched by the end face 10 of the facing 1 and the cover member 5A. The basic structure on the blind side 2 is almost the same as that on the side 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 4A includes a main body portion 40 projecting to the outdoor side from the end face 10 of the gutter 1, a fixing portion 41 provided at the base end on the indoor side of the main body portion 40, and a cover at the outdoor outer end of the main body portion 40. And a support portion 42 for supporting the member 5A.

  The fixing portion 41 is formed in a flat plate shape that protrudes from the proximal end of the main body portion 40 to the left and right. Then, the mounting member 4A is disposed at the center position in the width direction of the end face 10 of the gutter 1, makes the fixing portion 41 abut the end face 10 of the gutter 1, and fastens the fixing portion 41 with a plurality of screw members N. It is fixed by that.

  The support portion 42 is provided with a flat plate-like outer surface facing the outside. The supporting portion 42 is provided with a pair of left and right locking claws 43 and 43 which are holding portions for supporting the cover member 5A in a wedge shape in cross section on the outer surface of the chamber.

The cover member 5 </ b> A is an aluminum plate that covers the outdoor end of the gutter 1 and has substantially the same width as the gutter 1. The cover member 5A is provided with locking claws 52, 52 opposite 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 mounted so as to lock the locking claws 52, 52 at the center of the back surface to the locking claws 43, 43 of the mounting member 4A so as to cover the outdoor end of the gutter 1. The cover member 5A and the attachment member 4A connected by locking in this manner can move relative to each other along the longitudinal direction, and can eliminate the thermal expansion and contraction difference between the members in the longitudinal direction. Prevents damage caused by thermal expansion difference.

  Further, as shown in FIG. 3, the mounting member 4B is attached horizontally along the end face 20 outside the blind to the blind 2 to support the cover member 5B. At the upper edge of the blind end face 20, an aluminum channel 21 having a shallow U-shaped cross section is attached. The channel portion 21 plays a role in receiving the dew condensation on the glass surface on the indoor side when the indoor temperature and humidity are higher than the outdoor temperature in winter.

  The mounting member 4B is a heat insulating member similar to the mounting member 4A on the side of the square 1, 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 with the main body 40 protruding from the end face 20 to the outdoor side, the fixing part 41 provided at the base end on the indoor side of the main body 40, and the distal end of the outdoor side of the main body 40 And a supporting portion 42. Further, the support portion 42 is provided with a pair of upper and lower locking claws 43 and 43 which are hooked sections for supporting the cover member 5B in a wedge shape in cross section on the outer surface of the chamber.

  The fixing portion 41 is formed in a flat plate shape that protrudes from the base end of the main body portion 40 to the upper and lower sides. The mounting member 4B is disposed at the center position of the end face 20 of the blind 2 in the vertical width direction, and the fixing portion 41 is brought into contact with the end face 20 and fixed by fastening the fixing portion 41 with a plurality of screw members N. It is done.

  The cover member 5B is an aluminum plate for covering the blind outer end of the blind 2 and has substantially the same width as the vertical width of the blind 2. The cover member 5B is provided with locking claws 52, 52 opposite to the locking claws 43, 43 of the mounting member 4B at the center in the width direction of the back surface. The cover member 5B is mounted so as to lock the locking claws 52 and 52 at the center of the back surface to the locking claws 43 and 43 of the mounting member 4B so as to cover the outer end of the blind 2. As in the case 1 side, the cover member 5B and the attachment member 4B connected by the locking can move relative to each other along the longitudinal direction, and eliminate the thermal expansion and contraction difference between the members in the longitudinal direction. To prevent damage caused by thermal expansion and contraction between members.

  The composite glass 3 has a double structure in which two opposing glass plates 3a and 3b are joined at their peripheries via a spacer 31 and a hollow layer 32 is provided between the glass plates 3a and 3b. For example, a backup material 34 made of a synthetic resin foam is bonded to the inner periphery of the glass plate 3a on the indoor side and the outer periphery of the outer surface of the glass plate 3b on the outdoor side. And the composite glass 3 is arrange | positioned in the part enclosed by the attachment members 4A and 4B attached to the square 1 and the blind 2 respectively. Furthermore, the cover members 5A and 5B are attached to the attachment members 4A and 4B, and between the cover member 5A and the end surface 10 side edge of the crosspiece 1 and between the cover member 5B and the end surface 20 side edge of the blind 2 The composite glass 3 is sandwiched between the backup materials 34. Furthermore, in the gap between the glass plate 3a and the end face 10 side edge of the gutter 1, the gap between the glass plate 3a and the end face 20 side edge of the blind 2 and the gap between the cover members 5A and 5B and the glass plate 3b The composite glass 3 is attached by filling the sealing material 33 such as silicon. The lower edge of the composite glass 3 is supported on the mounting member 4B by a support member 35 (FIG. 3) of hard rubber.

  Further, in the figure, 7A and 7B indicate the rainwater which has entered the space P between the cover members 5A and 5B and the square 1 or blindness 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 comprised by the twist cord made of a synthetic resin. Thus, the water that has entered the space P is drained along the twisting cords 7A and 7B.

  As described above, the curtain wall of the present embodiment is a curtain wall of a structure in which the composite glass 3 is incorporated in a frame formed by the vertical 1 extending in the vertical direction and the blind 2 extending in the horizontal direction. And extend in the vertical and horizontal directions respectively along the end faces 10 and 20 on the outdoor side of the crosspiece 1 and the blind 2 so as to cover the end faces 10 and 20 at a predetermined distance from the end faces 10 and 20. The cover members 5A and 5B extend in the vertical direction and the horizontal direction respectively along the arranged cover members 5A and 5B and the end faces 10 and 20 on the outdoor side of the crosspieces 1 and 2 respectively. Mounting members 4A and 4B are provided so as to hold the outer peripheral portion of the composite glass 3 between the cover members 5A and 5B and the bridge 1 and between the cover members 5A and 5B and the blind 2 None, mounting members 4A, 4B are better than metal A fixed part 41 made of a nonmetallic material having low conductivity and in contact with the end faces 10 and 20 at the base end and fixed thereto, and a support part engaged with and supported by the cover members 5A and 5B at the tip end And 42.

  Further, in the curtain wall of the present embodiment, the attachment members 4A and 4B are molded articles made of a synthetic resin polyamide.

According to the curtain wall of the present embodiment, since the mounting members 4A and 4B fixed directly to the gutter 1 and the blind 2 are made of a synthetic resin polyamide whose thermal conductivity is lower than that of metal, an outdoor cover member in winter etc. Even if 5A and 5B are cooled, the heat transfer from the cover members 5A and 5B to the crosspieces 1 and 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, 5B provided with the mounting members 4A, 4B is lowered, the heat transfer of the mounting members 4A, 4B is blocked and the side 1 or blindness 2 is not cooled , To prevent condensation on the side 1 and blind 2 surely. Furthermore, compared with the conventional structure, the number of parts can be reduced, and the cost can be reduced and the assembling operation can be improved.
The mounting members 4A and 4B may be an integrally formed body made of polyvinyl chloride of a synthetic resin whose thermal conductivity is lower than that of metal. Moreover, not only a synthetic resin but a ceramic having a lower thermal conductivity than a metal may be used.

  In addition, as another curtain wall structure to which the present invention is applied, as shown in FIGS. 4 and 5, an attachment member 4C of the same dimension in which the width of the fixing portion 41a matches the width of the end face 10 of the cross 1 A mounting member 4D of the same dimension may be used in which the vertical width of the fixing portion 41b matches the vertical width of the blind end face 20. The other curtain wall basic structure is identical to the previous curtain wall (structure of FIGS. 1 to 3) and will be described in the differences.

  The mounting member 4C on the side of the side 1 is formed in a flat plate shape with the fixing portion 41a extending from the base end of the main body 40 to the left and right sides, and the lateral width of the fixing portion 41a is the side direction of the end face 10 of the side 1 It has the same dimensions to match the width of the The mounting member 4C is disposed such that the fixing portion 41a is in contact with the end face 10 of the cross section 1, and covers the end face 10 with the fixing portion 41a, and is fastened by a plurality of screw members N.

  Then, the composite glass 3 is sandwiched between the cover member 5A and the fixing portion 41a of the mounting member 4C covering the end face 10 of the crosspiece 1 via the backup material 34. Furthermore, a sealing material 33 such as silicon is filled in the gap between the glass plate 3a on the indoor side and the fixing portion 41a covering the end face 10 of the grating 1. Thus, the end face 10 of the gutter 1 covered with the fixing portion 41 a of the mounting member 4C is isolated from the space P inside the cover member 5A.

  The mounting member 4D on the blind 2 side is formed in a flat plate shape with the fixing portion 41b extending vertically from the base end of the main body 40, and the vertical width of the fixing portion 41b matches the vertical width of the end face 20 of the blind 2 Are the same dimensions. The mounting member 4D is disposed so that the fixing portion 41b abuts on the end face 20 of the blind 2 so that the end portion 20 is covered with the fixing portion 41b, and is fastened by a plurality of screw members N.

  Then, the composite glass 3 is sandwiched between the cover member 5A and the fixing portion 41b of the mounting member 4D that covers the end face 20 of the blind 2 via the backup material 34. Furthermore, a sealing material 33 such as silicon is filled in the gap between the glass plate 3a on the indoor side and the fixed portion 41b covering the end face 20 of the blind 2. Thus, the end face 20 of the blind 2 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 the other curtain wall, the same function and effect as the previous curtain wall can be obtained, and the fixing portion 41a of the mounting member 4C covers the end face 10 of the square 1 and the fixing portion 41b of the mounting member 4D. The end face 20 of the blind 2 is covered, and the heat transfer between the space P inside the cover members 5a and 5b and the vertical 1 and between the space P and the blind 2 is shut off, so that the horizontal 1 and blind Condensation of 2 can be prevented.

1: side face 10: end face 2: no eyes 20: end face 3: composite glass (panel member) 4A, 4B, 4C, 4D: mounting member 41, 41a, 41b: fixing portion 42: support Part, 5A, 5B: Cover member

The present invention relates to a curtain wall of a structure in which a panel member such as a glass plate is incorporated in a frame formed by a vertically extending vertical plate and a horizontally extending blind frame.
A cover member extending in the vertical and horizontal directions respectively along the end face of the square and the blind outer side, and arranged to cover the end face at a predetermined distance from the end face;
An attachment member extending in the vertical and horizontal directions respectively along the end face of the vertical and the blind outer side, and attaching the cover member to the end face;
The outer peripheral portion of the panel member is held between the cover member and the cross section, and between the cover member and the blindness.
The mounting member is an integral molding made of a nonmetallic material having a thermal conductivity lower than that of metal, a fixing portion which abuts on and fixed to the end face at the proximal end, and engages the cover member at the distal end And a supporting portion to support the
And the attachment member is extended along the longitudinal direction of the attachment member at a position near the support portion, and the water of the space between the cover member, the cross and the blindness is attached to the attachment member. A permeable string-like drainage means is provided for draining the space along the member (claim 1).

Claims (3)

It is a curtain wall of a structure which incorporates panel members, such as a glass plate, in the frame formed of the vertical extending in the up-down direction, and the blindness extending in the horizontal direction,
A cover member extending in the vertical and horizontal directions respectively along the end face of the square and the blind outer side, and arranged to cover the end face at a predetermined distance from the end face;
An attachment member extending in the vertical and horizontal directions respectively along the end face of the vertical and the blind outer side, and attaching the cover member to the end face;
The outer peripheral portion of the panel member is held between the cover member and the cross section, and between the cover member and the blindness.
The mounting member is an integral molding made of a nonmetallic material having a thermal conductivity lower than that of metal, a fixing portion which abuts on and fixed to the end face at the proximal end, and engages the cover member at the distal end A curtain wall of a structure characterized in that a supporting portion to support is formed.   The curtain wall of a building according to claim 1, wherein the mounting member matches the width of the fixing portion with the width of the end surface, and covers the end surface with the fixing portion.   The curtain wall of a structure according to claim 1 or 2, wherein the mounting member is a molded body made of polyamide or polyvinyl chloride of synthetic resin.

Images