JP4315984B2 - 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. 5, the curtain wall that forms the outer wall surface of the building intersects a vertical beam 1 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.

  As shown in FIG. 6 and FIG. 7, curtain walls using wooden members as the frame members such as the vertical 1 and the seamless 2 are generally elongated along the outdoor end faces of the vertical 1 and the seamless 2, respectively. Metal fixtures 4C and 4D are provided in the direction, and intermediate members 5C and 5D made of heat-insulating synthetic resin are connected to the fixtures 4C and 4D, and the fixtures 4C and 4D are connected via the intermediate members 5C and 5D. Are provided with metal cover members 6A and 6B covering the vertical 1 and the plain 2 and between the vertical 1 and the cover 6A and between the blank 2 and the cover 6B. The outer peripheral portion is sandwiched and fixed via the sealing material 34 and the backup material 33. In general, as the panel member 3, composite glass having two glass plates 3 a and 3 b facing each other with a space therebetween and a hollow layer 32 therebetween is used.

  As described above, the curtain wall using the wooden stand 1 and the mesh 2 is provided with the intermediate members 5C and 5D as the heat insulating materials, and the cover members 6A and 6B and the fixtures 4C and 4D cooled on the outdoor side in winter. The heat transfer is interrupted between the fittings 4C and 4D to prevent the fittings 4C and 4D from being cooled, and condensation on the contact surfaces of the fittings 4C and 4D with the vertical 1 and the seamless 2 is prevented. ing.

  In addition, a plurality of engaging portions 52, 62 formed in an L-shape projecting in opposite directions are engaged with each other at the connecting portion between the front ends of the intermediate members 5C, 5D and the cover members 6A, 6B. , 5D and the cover members 6A, 6B, the thermal expansion / contraction difference in the longitudinal direction is eliminated. Similarly, in order to eliminate the thermal expansion / contraction difference between the base ends of the intermediate members 5C and 5D and the tips of the fixtures 4C and 4D, the base members of the intermediate members 5C and 5D formed to have a substantially U-shaped cross section. The engaging portion 59 at the end is engaged and connected in the longitudinal direction to an engaging groove 49 formed in a substantially U-shaped cross section at the tip of the fixtures 4C and 4D.

Furthermore, in the curtain wall described in the following Patent Document 1, as a structure in which a metal fixture is connected to the end face of the wooden vertical and the invisible outdoor side, the vertical and invisible extend in the longitudinal direction. It is proposed that a metal base material with slits or long holes is fixed, the head of the metal bolt member can be moved to the slits or long holes, and a metal fixture is connected to the bolt member. Has been. According to this, since the metal fixture and the metal cover member connected to the metal base material fixed vertically and invisible can be moved via the bolt member, the metal fixture and The thermal expansion / contraction difference between the wooden vertical and the plain is absorbed, and damage to the curtain wall constituent member due to the thermal expansion / contraction difference is prevented.
Japanese Patent No. 2766221 (FIGS. 3 and 4).

  By the way, the composite glass 3 used for the curtain wall has many types in which the thickness of the opposing glass plates 3a and 3b and the width of the hollow layer 32 inside are different. There are many types such as relatively thin plate thickness and low heat insulation. In addition to the composite glass 3, a single glass plate or a decorative plate is used for the curtain wall.

  However, in the conventional structure, the projecting dimensions of the fixtures 4C, 4D and the intermediate members 5C, 5D as the curtain wall constituent members to the outdoor side are set in accordance with the thickness of the composite glass 3 and other panel members to be used, Other than the set plate thickness, it cannot be used for panel members with different thicknesses. Therefore, the fixtures 4C and 4D and the intermediate members 5C and 5D having different projecting dimensions must be prepared for each panel member having a different thickness, resulting in poor productivity. Therefore, the present invention has been made to provide a curtain wall of a building that can be shared by a plurality of types of composite glass and other panel members having different plate thicknesses and has good productivity.

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 wall extending in the vertical direction and an invisible line extending in the horizontal direction. A fixture extending in the vertical direction and the horizontal direction is fixed along the end surface on the outdoor side and the end surface on the silent outdoor side, respectively, and an intermediate member projecting to the outdoor side is connected to the fixture, and the intermediate member is interposed therebetween. And a cover member extending in the vertical direction and the horizontal direction so as to cover the vertical and infinite end surfaces of the outdoor side, and the cover member between the cover member and the vertical member, and the cover member. In the curtain wall in which the outer peripheral portion of the panel member is sandwiched between and
The fixture is provided with a pair of side walls protruding in parallel to each other at a predetermined interval and extending in parallel to each other, and both side walls have a plurality of crests and troughs facing each other in cross-sectional shape of the opposed inner surface. It is formed in a concavo-convex shape that is continuous at a predetermined interval in the fixture protruding direction,
The intermediate member is formed at an end portion on the outdoor side of the intermediate member, and has a thickness that can be inserted into a gap between the engaging portion that is engaged with the cover member and the mountain portion that protrudes from the engaging portion toward the indoor side and faces the mounting tool. And an engaging portion having a width that can be inserted into a gap between the opposing trough portions of the fixture formed at the end portion on the indoor side of the substrate portion,
The intermediate member is inserted into the gap formed between the valleys of the fixture, and the substrate portion is inserted between the peaks so that the intermediate member is inserted into the chamber. the amount of protrusion of the intermediate member protruding outwardly to be adjustable,
A panel member having a different thickness can be sandwiched between the vertical and seamless and the cover member provided at the tip of the fixture (claim 1).

By adjusting the amount of protrusion of the intermediate member, fixtures and intermediate members can be shared with multiple types of composite glass and other panel members with different plate thicknesses. Since it is not necessary to prepare a member, productivity can be improved.
As the means for adjusting the protruding amount of the intermediate member , a plurality of crests and troughs are provided alternately on the inner surfaces of the opposing side walls of the fixture, so the engaging part of the intermediate member is fitted into one of the plurality of troughs By doing, the protrusion amount of the intermediate member which protrudes to the outdoor side with respect to the fixture can be adjusted.

The metal of the fixture, the synthetic resin of the intermediate member are connected, providing a metallic cover member via the intermediate member (claim 2). It is suitable for a curtain wall that blocks heat transfer between the cover member on the outdoor side and the fixture on the indoor side.

The panel member, which comprises a thermally insulating composite glass between two glass plates facing each provided hollow layer double structure (claim 3). There are a plurality of types of composite glass having different overall thicknesses, which are suitable for curtain walls that support these composite glasses.

  In the curtain wall of the present invention, as shown in FIG. 5, a plurality of vertices 1 are installed at a predetermined interval in the left-right direction, and an invisible 2 is installed horizontally between adjacent left-right vertices 1 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 inserted in the square enclosed by the grid 1 and the grid 2 assembled in a lattice shape.

As shown in FIG. 1, the basic structure of the curtain wall of the present invention is an intermediate in which a fixture 4A is fixed to the end face 10 on the outdoor side of the stand 1 and protrudes to the outdoor side of the fixture 4A. A member 5A is installed, a cover member 6A covering the end face 10 of the vertical 1 is attached via the fixture 4A and the intermediate member 5A, and the periphery of the composite glass 3 is sandwiched between the vertical 1 and the cover member 6A. It is. The basic configuration on the side of the invisible 2 is almost the same as that of the vertical 1 (see FIG. 3 ).

  As shown in FIG. 1 and FIG. 2, the stand 1 is formed such that the end face 10 on the outdoor side has a concave part at the left and right sides, leaving the convex parts 11, 11 projecting to the outdoor side. Same cross section. The convex portions 11 and 11 are used to press the composite glass 3 and are hereinafter referred to as glass pressing portions 11 and 11. And 4 A of fixtures have adhered to the intermediate part of the concave end surface 10 along the up-down direction.

  The fixture 4A is a long aluminum extruded product having the same cross-sectional structure over its entire length. The fixture 4A is provided with a pair of left and right side walls 41, 41 that project to the outside of the room facing each other at a predetermined interval, and extend in the vertical direction in parallel with each other along the vertical wall 1. The connecting section 42 is formed in a substantially H-shaped cross section, and coupling flanges 43, 43 bent to the left and right sides are provided at the base end on the indoor side of the side walls 41, 41. The mounting tool 4 </ b> A has the left and right coupling flanges 43, 43 overlapped with the concave intermediate portion of the end face 10 on the outdoor side of the vertical 1 and is fastened by a screw member N penetrating the coupling flanges 43, 43.

  A plurality of (three in the example) rib-shaped projections 45 having a square cross section projecting in the facing direction are provided on the inner surfaces of the opposite side walls 41, 41 of the fixture 4A in the indoor and outdoor directions. is there. Each rib-like protrusion 45 extends over the entire length in the vertical direction of the fixture 4A. As a result, the inner surface is formed in a concavo-convex shape in a horizontal section in which peaks formed of rib-shaped protrusions 45 and valleys 46 located between the plurality of peaks 45 are alternately arranged. The inner surfaces of the left and right side walls 41, 41 are formed in a symmetric cross-sectional uneven shape.

  The intermediate member 5A is a heat insulating member, and is an extruded product made of a synthetic resin such as vinyl chloride or polyamide, and is formed of a long member having the same cross section and is formed in substantially the same vertical length as the fixture 4A. The intermediate member 5A includes a rectangular cylindrical portion 51 on the outdoor side, and a plurality of locking claws 52, 52 serving as locking portions for supporting the cover member 6A are provided on the outdoor surface of the rectangular cylindrical portion 51 in a cross-sectional shape. It is.

  The intermediate member 5A is formed with a substrate portion 53 that protrudes indoors from the rectangular tubular portion 51, and the thickness of the substrate portion 53 is such that it can be inserted between the opposing mountain portions 45 of the fixture 4A. is there. A pair of engaging protrusions 54 and 54 that can be fitted to the valley 46 of the fixture 4A are formed on both the left and right sides of the terminal on the indoor side of the board portion 53, and the cross section is substantially T-shaped with the board portion 53. Eggplant.

  The intermediate member 5A is engaged with either of the engagement protrusions 54, 54 of the base plate portion 53 end in any gap between the valley portions 46, 46 of the fixture 4A from above the fixture 4A (in FIG. Between the valley portions 46 and 46) and the left and right mountain portions 45 and 45 facing each other, and the substrate portion 53 is connected to the fixture 4A.

  The cover member 6 </ 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. A plurality of decorative ribs 61 are provided on the surface of the cover member 6A in the vertical direction. On the back surface, locking claws 62 and 62 opposite to these are formed in the center in the width direction, corresponding to the locking claws 52 and 52 of the intermediate member 5A.

  The cover member 6A is attached so that the latching claws 62, 62 at the center of the back surface are latched with the latching claws 52, 52 of the intermediate member 5A, respectively, so as to cover the outdoor end of the stand 1.

Further, as shown in FIG. 3, the fixture 4B is fixed in the horizontal direction along the end face 20 on the outdoor side, and the intermediate member 5B is attached thereto. An aluminum channel portion 21 having an upward shallow cross-sectional U-shape is assembled to the upper edge of the end face 20 of the mesh 2, thereby forming a glass pressing portion of the composite glass 3. The channel portion 21 plays a role in receiving condensation when the room temperature and humidity are significantly higher than in the outdoors in the winter and condensation occurs on the glass surface on the indoor side. Corresponding to the glass holding portion 21 at the upper edge, a convex glass holding portion 22 protruding outward is formed at the lower edge. A fixture 4B is fastened and fixed to the end surface 20 of the plain 2 at a concave intermediate portion between the glass pressing portions 21 and 22 on the upper edge and the lower edge.

  The mounting tool 4B has the same structure as the mounting tool 4A of the vertical one, and the inner surfaces of the upper and lower side wall portions 41, 41 extending in parallel in the horizontal direction are formed in a concavo-convex shape with a peak portion 45 and a valley portion 46.

  The intermediate member 5B includes a plate-like portion 55 that is orthogonal to the substrate portion 53 at an end of the substrate portion 53 that extends in the horizontal direction, and locking claws 52 and 52 are formed at upper and lower positions thereof. In the intermediate member 5B, the base plate portion 53 is horizontally inserted between the upper and lower side walls 41, 41 from the side of the fixture 4B, and the upper and lower engaging projections 54, 54 are centered in the same manner as the intermediate member 5A on the vertical 1 side. Are fitted and connected between troughs 46 facing each other.

  The cover member 6B is an aluminum plate, and the decorative rib is abolished like the cover member 6A on the vertical 1 side. The cover member 6B is attached so that the latching claws 62, 62 at the center of the back surface are respectively latched with the latching claws 52, 52 of the intermediate member 5B to cover the blank 2.

  The composite glass plate 3 has a double structure in which two glass plates 3a and 3b opposed to each other are joined together via a spacer 31 at their peripheral edges, and a hollow layer 32 is provided between the glass plates 3a and 3b. The composite glass plate 3 is formed by bonding a backup material, for example, a backup material 33 of a synthetic resin foam, to the outer periphery of the inner surface of the indoor glass plate 3a and the outer surface of the outdoor glass plate 3b. Placed on the part surrounded by the fixtures 4A and 4B and the intermediate members 5A and 5B attached to the joint 2 and the cover members 6A and 6B are attached to the intermediate members 5A and 5B. The glass plate 3a and the glass pressing plates 11, 21, 22 are sandwiched between the pressing portions 11, 11, and between the cover member 4B and the glass pressing portions 21, 22 on the side of the mesh 2 via the backup material 33. The composite glass 3 is attached by filling a gap between the cover member 6A, 6B and the glass plate 3b with a sealing material 34 such as silicon. The lower edge of the composite glass 3 is supported on the fixture 4B by a support member 35 made of hard rubber.

  According to the curtain wall of the present embodiment, a plurality of trough portions 46 are provided along the indoor / outdoor direction to fit the engaging protrusions 54, 54 of the substrate portion 53 of the intermediate members 5A, 5B to the fixtures 4A, 4B. Therefore, the amount of protrusion of the intermediate members 5A and 5B can be adjusted by changing the fitting position of the engaging protrusions 54 and 54 of the intermediate members 5A and 5B to the valley 46, and the thickness of the composite glass 3 to be used can be adjusted. Can do.

  For example, as shown in FIG. 4, when using a relatively thin composite glass 3C, the engaging projections 54, 54 of the intermediate member 5A are arranged at the valley portions 46, 46 located on the innermost side of the fixture 4A. If it fits in 46, the protrusion amount of 5 A of intermediate members can be made small, and the thin composite glass 3C can be supported suitably. Do the same for the unsighted side. On the other hand, although not shown, when using a relatively thick composite glass, each engaging protrusion of the intermediate member is fitted to a valley located on the outermost outdoor side of the fixture so that the intermediate member What is necessary is just to enlarge protrusion amount.

  In this embodiment, there are three types of composite glass to be attached, and the difference in thickness between the maximum thickness and the intermediate thickness is the same as the difference in thickness between the intermediate thickness and the minimum thickness. The fixtures 4A and 4B are shown, and these valley portions 46 are provided at equal intervals. The number, position and mutual spacing of the valleys 46 are determined by the difference in the thickness of the composite glass used. You may make it provide a trough part not only according to a composite glass plate but according to the thickness of panel members, such as a single-piece glass plate and a decorative board.

  According to the present invention, since the protruding amount of the intermediate members 5A and 5B can be adjusted, the fixtures 4A and 4B, the intermediate members 5A, 5B and the cover members 6A and 6B can be used in common, and the productivity is good without preparing fixtures and intermediate members having different protrusion amounts for each panel member having a different thickness as in the conventional structure.

  Further, since the intermediate members 5A and 5B are made of a synthetic resin product having heat insulation properties, heat transfer between the outdoor side and the indoor side can be blocked, and condensation of the vertical 1 and the seamless 2 can be prevented. Furthermore, the thermal expansion / contraction difference can be absorbed between the cover members 6A and 6B and the fixtures 4A and 4B.

It is a cross-sectional view of the curtain wall of the present invention at a position along the line II in FIG. 2A, 2B, and 2C are cross-sectional views of the fixture, intermediate member, and cover member used in the curtain wall of the present invention in an exploded state. It is a longitudinal cross-sectional view of the curtain wall of this invention in the position which follows the III-III line | wire of FIG. FIG. 2 is a cross-sectional view of the curtain wall of the present invention supporting a relatively thin composite glass corresponding to FIG. 1. It is a front view of a curtain wall. FIG. 6 is a cross-sectional view of a conventional curtain wall at a position along line VI-VI in FIG. 5. It is a longitudinal cross-sectional view of the conventional curtain wall in the position which follows the VII-VII line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Side 10 End face of outdoor side 2 Seam 20 End face of outdoor side 3,3C Composite glass (panel member)
3a, 3b Glass plate 32 Hollow layer 4A, 4B Attachment 41 Side wall 45 Mountain portion 46 Valley portion 5A, 5B Intermediate member 52 Locking claw (locking portion)
53 Substrate part 54 Engagement protrusion (engagement part)
6A, 6B 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 fixture extending in the vertical direction and the horizontal direction is fixed along the end surface of the vertical outdoor side and the end surface of the silent outdoor side, respectively, and an intermediate member protruding to the outdoor side is connected to the fixture, A cover member extending in the vertical direction and the horizontal direction so as to cover the end face of the vertical and invisible outdoor side is installed on the fixture via an intermediate member, and between the cover member and the vertical stand, In the curtain wall in which the outer peripheral portion of the panel member is sandwiched between the cover member and the invisible,
The fixture is provided with a pair of side walls protruding in parallel to each other at a predetermined interval and extending in parallel to each other, and both side walls have a plurality of crests and troughs facing each other in cross-sectional shape of the opposed inner surface. It is formed in a concavo-convex shape that is continuous at a predetermined interval in the fixture protruding direction,
The intermediate member is formed at an end portion on the outdoor side of the intermediate member, and has a thickness that can be inserted into a gap between the engaging portion that is engaged with the cover member and the mountain portion that protrudes from the engaging portion toward the indoor side and faces the mounting tool. And an engaging portion having a width that can be inserted into a gap between the opposing trough portions of the fixture formed at the end portion on the indoor side of the substrate portion,
The intermediate member is inserted into the gap formed between the valleys of the fixture, and the substrate portion is inserted between the peaks so that the intermediate member is inserted into the chamber. the amount of protrusion of the intermediate member protruding outwardly to be adjustable,
A curtain wall of a building, characterized in that a panel member having a different thickness can be sandwiched between the vertical and seamless and the cover member provided at the tip of the fixture. The building curtain wall according to claim 1, wherein the intermediate member made of synthetic resin is connected to the metal fixture, and the metal cover member is provided on the fixture via the intermediate member . The building curtain wall according to claim 1 or 2, wherein the panel member is formed of a double-layer heat-insulating composite glass panel by providing a hollow layer between two opposing glass plates .