JP2000303598A - Curtain wall - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a curtain wall improved in appearance by making transoms and mullions inconspicuous even in the case of having a wainscot part. SOLUTION: In this curtain wall 1, only a wainscot part unit 31 constituting a wainscot part 30 has a frame body 36 comprising upper and lower transoms 33, 34 and vertical members 35, and other parts, that is, a window part 10, is executed in a DPG system. As the whole curtain wall 1, the frame bodies 36 are not therefore exposed over the whole area but made as inconspicuous as possible to improve appearance. On the indoor side of the wainscot part unit 31, water stop performance can be improved by having the frame body 36, and maintenance of this part can be dispensed with.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a curtain wall formed by supporting a plurality of glass panels and metal panels on a building frame.

[0002]

2. Description of the Related Art In buildings and the like in recent years, various designs have been used for the outer wall surfaces of curtain walls. For example, a glass curtain wall is often used as an outer wall of an atrium space arranged on a lower floor of a large building. As a method of supporting the glass curtain wall, a method of supporting a glass panel in a blind and cubic manner attached to a building frame is common.

[0003] By the way, when blinds or cubicles are used,
When the blinds and cubicles are exposed around the glass panel and the joints are conspicuous, and when the glass panel has translucency and can be seen from inside and outside the room, the blinds and cubicles are entirely exposed. For this reason, there is a problem that it is difficult to employ the exterior design when there is a request to make the structural material (blind or cubic) supporting the glass as inconspicuous as possible.

Therefore, in order to make such a structural material inconspicuous, a curtain wall of a DPG (dot point glazing) system is usually used. In such a DPG-type curtain wall, through holes are formed at four corners of a glass panel or the like, and four through holes of four adjacent wall bodies are formed into a substantially "front" shape or " Since it is supported by the X-shaped support, the structural material is not exposed and the appearance can be improved.

[0005]

SUMMARY OF THE INVENTION However, DPG
In the curtain wall system of the system, since there is no blindness or standing on the four circumferences of the panel, it is necessary to perform the water stop treatment only between the opposing end faces of the adjacent panels, and if the seal for the water stop treatment breaks, Otherwise, rainwater or the like easily enters the indoor side. For this reason, the adoption of the DPG method is limited to a curtain wall for a stairwell where maintenance of infiltration water can be easily performed from the indoor side, and for example, maintenance such as a panel installed corresponding to a floor slab is difficult. Not applicable to curtain walls including walls.

That is, in a curtain wall including such a panel, it is necessary to enclose the panel around the periphery of the panel in a blind or cubic manner so as to eliminate the need for maintenance on the indoor side, thereby improving the water stoppage. Method cannot be adopted,
You can't make a blind eye or a cubic stand out.

[0007] It is an object of the present invention to provide a curtain wall in which even if it has a waist portion, it is possible to make the appearance of the curtain wall inconspicuous or cubic and to improve the appearance.

[0008]

SUMMARY OF THE INVENTION A curtain wall according to the present invention seeks to achieve the above-mentioned object by minimizing the use of blinds and erections, and more specifically, a support attached to a building frame. A window portion is formed by the tool and a window portion panel supported by the support, and a waist portion is formed by at least upper and lower stitches attached to the building frame and a waist panel disposed between these stitches. It is characterized by having.

According to the present invention, since the upper and lower stitches are provided only in the waist panel constituting the waist, the above-mentioned DPG method (but not limited thereto) is applied to the other parts, that is, the windows. Can be adopted. Therefore, the entire curtain wall can be made inconspicuous over the entire area as compared with the conventional case using blinds or cubicles, and the appearance is improved. In addition, since the waist panel is provided with blindness, the waterproofness of the waist is improved, and the maintenance of this part is not required.

In this case, it is desirable to provide a drainage hole for communication between the inside and the outside of the lower eye, so that infiltration water or dew condensation water falling along the indoor surface of the waist panel passes through the drainage hole. The water is reliably discharged to the outside of the room, and the water stopping performance is further improved.

In the curtain wall according to the present invention, the window panel of the window portion is fixed to the support with a holding member mounted on the support from the outdoor side, and the waist panel is connected to the holding member. It is preferable that the upper and lower eyes be fixed by another holding member having the same appearance. In such a case, the appearance of the window portion and the waist portion is unified, and a curtain wall excellent in design can be provided.

[0012] Further, it is preferable that a fireproof panel is disposed facing the room side of the waist panel, so that a fireproof section for preventing the spread of fire from the lower floor to the upper floor can be surely formed.

[0013] The waist panel, the upper and lower blinds, and the fireproof panel may be unitized. In this case, these may be pre-unitized at a factory or the like, so that the curtain wall can be installed on site. Becomes easier.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. [First Embodiment] FIG. 1 is a perspective view showing a curtain wall 1 according to the present embodiment, and FIG. 2 is a longitudinal sectional view of the curtain wall 1.

The curtain wall 1 is provided with a window (vision) provided corresponding to the indoor space 2 for each floor of the building.
10 and a wall (spandrel) 30 provided corresponding to the floor slab 3 of each floor.

The window section 10 supports a plurality of glass panels 11 as window section panels arranged in upper and lower two rows on a compression arm 12 by a DPG method, and the compression arm 12 is connected to a building frame via a cable truss 13. It is formed by fixing to a certain floor slab 3 side.

More specifically, a lower beam fitting 5 made of a steel profile is attached to the lower side of the beam 4 constituting the upper floor slab 3. 5 is provided with a pair of fixtures 14 at intervals in the indoor and outdoor directions. Further, a pair of fixtures 14 are similarly provided on the slab surface of the lower floor slab 3.

One end of a wire cable 15 is attached to each fixture 14, and after the wire cable 15 from the fixture 14 on the indoor side and the wire cable 15 from the fixture 14 on the outside are crossed, each wire is connected. Cable 15
Is attached to the compression arm 12. In the present embodiment, two wire cables 15 are drawn from the fitting 14 on the indoor side. The cable truss 13 which is an auxiliary body is formed by the attachment 14, the wire cables 15, and the compression arm 12.

At the outside end of the compression arm 12, a front “X” -shaped spider bracket 16 as a support is attached, and the spider bracket 16 is attached via a suspension rod 17 to the upper steel mullion 6. It is supported by. Spider bracket 1
In 6, corners of the four glass panels 11 gathered together are fixed by a commonly used DPG method.
That is, although the place is different, referring to FIGS. 3 and 4, a through-hole 11A is formed in a corner of the glass panel 11, and the holding member 18 is attached to the spider bracket through the through-hole 11A. The glass panel 11 is fixed to the spider bracket 16 by being mounted on the receiving portion 19 of the spider bracket 16.

The upper corner of the upper glass panel 11 of the upper and lower glass panels 11 is, as shown in FIG.
The spider bracket 16 is fixed to the front “−”-shaped spider bracket 16 provided at the lower end of the steel mullion 6. The lower corner of the lower glass panel 11 is fixed to a front “-” shaped spider bracket 16 provided on the upper end side of the steel mullion 6, as shown in FIG. As shown in FIG. 2, each steel mullion 6 is fixed to the beam member 4 via a beam lower fitting 5 and a beam upper fitting 7.

On the other hand, between the respective spider brackets 16 of the steel mullion 6, a pair of cubic brackets 32 are attached at an interval vertically, and a waist portion 30 is formed on these cubic brackets 32. A waist unit 31 is attached.

The waist unit 31 is provided with a frame 36 formed by extruding an aluminum extruded member, an upper stitch 33, a lower stitch 34, and left and right vertical members 35, and a frame 36 around the perimeter. The upper face 33 and the lower face 34 are fixed to the cubic bracket 32 with bolts (not shown).

3 and 4, the receiving portions 19 of the spider bracket 16 are located at both ends in the longitudinal direction of the upper blind 33, that is, at positions corresponding to the upper corners of the glass panel 37.
A supporting member 41 having a receiving portion 39 having the same shape as that of the supporting member 41 is bolted. In addition, both ends in the longitudinal direction of the lower seamless 34,
That is, the support member 41 is similarly provided at a position corresponding to the lower corner of the glass surface material 37.

The receiving portion 39 of the supporting member 41 is provided with the corners of the glass surface material 37, and the holding member 38 is mounted on the receiving portion 39 through the through holes 37A formed in these corners. Thereby, the glass surface material 37 is fixed to the support member 41. At this time, the holding member 38 is the same as the holding member 18 for the window 10 and has the same appearance. Accordingly, the appearance of the glass panel 11 of the window 10 and the glass panel 37 of the waist 30 are unified.

The upper and lower stitches 33 and 34 include
A hollow extending portion 45 is provided so as to be exposed to the outside of the room, and between the extending portion 45 and the upper and lower end surfaces of the glass surface material 37, a backup material 42, a sealing material 43,
And a gasket 44 to stop the water. However, no backup material is provided on the lower blind side 34 (FIG. 3). Drain holes 45 </ b> A and 45 </ b> B are provided on the upper surface and the lower surface of the extension portion 45 of the lower seamless portion 34, and are generated on the indoor side of the glass surface material 37, such as rainwater that has entered the indoor side beyond the sealing material 43. Condensation water drains through this drain hole 45
A and 45B are discharged outside the room.

Further, the sealing material 43 is used to stop the water between the extending portions 45 and the upper and lower end surfaces of the glass panel 11 adjacent thereto. As a result, on the upper and lower sides of the waist unit 31, the sealing material 43 and the ends of the relatively thin extension portions 45 and 44 are exposed, and the joint width of the horizontal horizontal joint is designed to be small. ing.

As shown in FIG. 5, the vertical member 35 does not have an extended portion, and at the most outdoor side, the sealing member 4 interposed between the side end surfaces of the adjacent glass surface members 37.
3 is water-stop treatment. As a result, the waist unit 31
On the left and right sides, a sealing material 43 continuous with the window 10 side is provided.
Only the exposed portion is exposed to the outside of the room, and the joint width of the vertical vertical joint is designed to be small similarly to the window portion 10 side.

In the interior and exterior of the outermost sealing material 43, the gasket 44 and another sealing material 43 are used to stop the water between the glass surface material 37 and the vertical material 35. The space between the vertical members 35 is water-stopped by another backup member 42 and a sealing member 43 so as to be more reliably waterproofed. That is,
The rainwater that has infiltrated beyond the sealing material 43 on the outside of the room reaches the extension portion 45 of the lower seamless mesh 34 through the space surrounded by the sealing material 43 on the inside of the room,
From here, the water is discharged outside through the drain holes 45A and 45B.

On the indoor side of the waist unit 31, a fireproof panel 46 is provided so as to face the glass panel 37. The fireproof panel 46 is fixed to the frame body 36 in advance together with the glass surface material 37 at a factory or the like by means of a four-periphery mounting frame member 47 and upper and lower edges 48. Also, FIG.
As shown in FIGS. 2 and 4, a space formed between the fireproof panel 46 and the floor slab 3 is closed by a fireproof gap closing material 51.

The procedure for constructing the curtain wall 1 will be described below with reference to FIGS. First, in a factory, a frame 36 is formed using upper and lower blinds 33 and 34 and a vertical member 35.
And a glass panel 37 and a fireproof panel 46 are attached to the frame 36 to assemble the waist unit 31. Then, in addition to the unitized waist unit 31 and the glass panel 11, each member constituting the cable truss 13 is carried into the site.

At the construction site, the lower beam fittings 5 and the upper beam fittings 7 are attached to the beam 4 by welding or bolting at the stage of steel frame work. Then, using the metal fitting 5 under the beam and the fixture 14 fixed to the slab surface,
The cable truss 13 is constructed with the compression arm 12 and the wire cable 15. At this time, an “X” -shaped spider bracket 16 is attached to the compression arm 12. Further, the steel mullion 6 is laid on each of the metal fittings 5 and 7. At this time, a spider bracket 16 having a “-” shape and a cubic bracket 32 are attached to the steel mullion 6. Furthermore, the lower end of the steel mullion 6 and the “X” -shaped spider bracket 16 are connected by a suspension rod 17.

Next, the upper unit 33 and the lower unit 34 of the waist unit 31 are attached to the cubic bracket 32 of the steel mullion 6.
Are fixed, and the waist unit 31 is sequentially attached. Thereafter, a water stop process around each waist unit 31 is performed, whereby the waist 30 is substantially completed.

Next, the upper glass panel 11 is attached using the lower spider bracket 16 of the upper steel mullion 6 and the spider bracket 16 of the compression arm 12. Further, the lower glass panel 11 is attached using the spider bracket 16 of the compression arm 12 and the upper spider bracket 16 of the lower steel mullion 6. Thus, the window 10 is substantially completed.

Finally, a waterproofing treatment is performed on the outside of the glass panel 11 and around the waist unit 31 to complete the curtain wall 1 having the window 10 and the waist 30.
In addition to assembling the unitized waist unit 31 at the factory, the unit may be assembled before the waist 30 is constructed at the construction site.

According to the present embodiment, the following effects can be obtained. 1) In the curtain wall 1, only the waist unit 31 constituting the waist 30 includes upper and lower blinds 33 and 34 and vertical members 3.
5 and the other portion, that is, the window portion 10 is constructed by the DPG method, so that the entire curtain wall 1 does not expose the frame 36 over the entire area. 36 can be made inconspicuous to improve its appearance.

2) Also, the frame 36 exposed at the waist 30 is only the upper and lower blinds 33, 34 and only the thin extension 45, so that the amount of exposure can be reduced, and from this point the appearance is also reduced. It can be significantly improved.

3) Since the waist unit 31 is provided with the frame 36, the space between the frame 36 and the glass panel 37 is securely stopped using the backup material 42, the sealing material 43, and the gasket 44. Water can be generated, and the maintenance of the waist 30 on the indoor side can be eliminated.

4) At this time, since the draining holes 45A and 45B for communicating the inside and outside of the room are provided in the extending portion 45 of the lower seamless portion 34, the water enters the room beyond the sealing material 43 of the horizontal joint. Rain water and dew condensation generated on the indoor side of the glass surface material 37 can be discharged to the outside of the room through the drain holes 45A and 45B, and the water stopping performance can be further improved.

5) In addition, in the waist portion 30, even between the frame member 36 and the glass surface member 37, and between the vertical members 35 between the adjacent frame members 36, even on the indoor side of the sealing member 43 on the most outdoor side. Since the water stoppage treatment is performed, the rainwater that has invaded beyond the outdoor sealing material 43 passes through the space surrounded by the indoor sealing material 43, and the lower bottom 34
On the extension part 45, and drain holes 45A, 4
5B, it can be discharged to the outside of the room, and also good water stopping properties can be obtained.

6) In the curtain wall 1 of the present embodiment, the glass surface material 37 of the waist unit 31 is supported at its four corners by the support members 41 provided on the frame 36.
At this time, a holding member 38 for holding the glass face material 37
Is the same as the holding member 18 for holding the glass panel 11 in the window 10, and since the appearance of each of the holding members 18 and 38 is the same, the glass panel 11 of the window 10 and the waist 3
The appearance of the mounting part can be unified with the glass face material 37 of 0, and the curtain wall 1 excellent in design can be provided.

7) Further, in the waist unit 31, the fireproof panel 46 is arranged on the indoor side, so that a fire prevention section for preventing the spread of fire from the lower floor to the upper floor can be surely formed.

8) Then, the frame 36, the glass surface material 37,
And since the fireproof panel 46 is unitized in a factory etc. as the waist unit 31, construction of the curtain wall 1 on site can be facilitated.

[Second Embodiment] FIGS. 8 and 9 show another embodiment of the mounting structure of the glass panel 11 and the glass face material 37 as a second embodiment of the present invention. In each figure, the same reference numerals are given to the same functional members as those in the first embodiment described above, and the description of each member here is omitted or simplified.

In this embodiment, a support 60 is used to support the glass panel 11. The support tool 60 is provided on the cubicle 21 erected between the building frame on the ceiling and the floor side, and is supported by the supporter 61 attached to a height approximately at the center of the cubicle 21 and the supporter 61. A vertically elongated bracket 60 made of cast aluminum, a first holding frame 63 fixed to the bracket 62 to hold the gathered edges of the four glass panels 11, and a cast aluminum mullion on the bracket 62 and the ceiling side 65 (building body), and a suspension rod 64 for lifting and supporting the bracket 62, and the bracket 62 and the upper and lower aluminum mullion 6
5 and a vertically long second holding frame 66 that holds the side edges of the left and right glass panels 11.

The upper end of the suspension rod 64 is fixed to the lower end of the upper aluminum mullion 65, and forms a building frame via the aluminum mullion 65 and the metal fittings 5, 7 (FIG. 2) to which it is attached. It is fixed to the beam member 4 (FIG. 2). Further, the suspension rod 64 is accommodated between the second holding frames 66. However, no suspension rod is provided between the bracket 62 and the lower aluminum mullion 65. Also, the first holding frame 63
A ridge 67 is attached to the glass panel 11 from the outdoor side, whereby the glass panel 11 is held.

In FIG. 9, the lower mesh 34 of the waist unit 31 is a mounting piece 6 cast integrally with the aluminum mullion 65.
8, the lower stitch 34 has a holding groove 52 for holding the glass surface material 37 and a glass panel 11 of the window 10.
Is provided with another holding groove 53 for holding the upper edge of the holding member.
Then, although not shown, the upper blind 33 (see FIG. 4)
Similarly, it is fixed to the mounting piece of the aluminum mullion 65 and has a holding groove for the glass panel 37 and a holding groove for the upper glass panel 11. That is, in the present embodiment, the glass panel 11 constituting the window 10 is
One of the upper and lower edges is held by the first holding frame 63 of the support tool 60, and the other is held by the blinds 33 and 34.
One edge is still supported by the support tool 60 and is included in the present invention.

In this embodiment, the first
The following effects are obtained in addition to the effects 1) to 8) described in the embodiment. 9) In the present embodiment, one of the upper and lower edges of the glass panel 11 is held by the holding grooves 53 of the upper and lower stitches 33 and 34, so that the water stopping process of this portion is backed up as shown in FIG. This can be reliably performed by the material 42, the sealing material 43, and the gasket 44, so that not only the waist unit 31 but also the window 10 in the vicinity thereof can be improved in water stoppage.

10) Since the glass panel 11 of the window 10 is held by the first and second holding frames 63 and 66, the through-hole required by the DPG method can be eliminated.
The glass panel 11 can be manufactured easily and inexpensively.

11) A holding member 18 utilizing a through hole
Since FIG. 3 and FIG. 4 are not required, the appearance can be further reduced and the design can be improved. This is the same for the glass surface material 37 of the waist 30.

The present invention is not limited to the above embodiment. For example, in the first embodiment, the spider bracket 16 is fixed to the cable truss 13, but the cable truss 13 may be replaced by the cubic 21 described in the second embodiment. Also, a spider bracket 1 is attached to a beam erected between
6 and the support tool 60 may be attached.

The spider bracket is not limited to the "X" shape, but may be an "H" shape, and the shape and material of the spider bracket and other supports according to the present invention may be arbitrarily determined.

Although the waist unit 31 is provided with the fireproof panel 46, such a fireproof panel 46 may be provided as needed and can be omitted.

The structure for holding the glass surface material 37 in the frame 36 is not limited to the above-described embodiments. For example, the glass surface material 37 may be held on the frame 36 using a structural adhesive.

In each of the above embodiments, the upper and lower
Although the frame body 36 has left and right vertical members 35 in addition to 3, 34, the present invention is also applicable to the case where only upper and lower blinds are used. The present invention is also included in the case of using.

Further, the window panel and the waist panel according to the present invention are not limited to the glass panel and the glass panel, but may be a metal panel or a stone panel. Is optional.

In addition, the size and number of the panels forming the window and the waist, and the support structure for the building frame can be arbitrarily changed as long as the object of the present invention can be achieved.

[0057]

As described above, according to the present invention,
Since the upper and lower stitches are provided only on the waist panel constituting the waist, for example, D
If the PG method or the like is adopted, the appearance of the entire curtain wall can be remarkably improved over the entire area as compared with the conventional case using blinds or cubicles. In addition, since the waist panel is provided with a blind portion, the waterproofness of the waist can be improved, and there is an effect that maintenance of this portion can be made unnecessary.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional view showing the first embodiment.

FIG. 3 is an enlarged longitudinal sectional view showing a main part of the first embodiment.

FIG. 4 is an enlarged longitudinal sectional view showing another main part of the first embodiment.

FIG. 5 is a perspective view showing still another main part of the first embodiment.

FIG. 6 is an exploded perspective view showing a state in the middle of construction of the first embodiment.

FIG. 7 is an exploded perspective view showing another part of the first embodiment in the middle of execution.

FIG. 8 is an exploded perspective view showing a second embodiment of the present invention.

FIG. 9 is an enlarged longitudinal sectional view showing a main part of the second embodiment.

[Explanation of symbols]

1 ... curtain wall, 3 ... floor slab which is the building frame,
11: glass panel as a window panel, 16: spider bracket as a support, 18, 38 ... holding member, 3
Reference numeral 3: Upper blind, 34: Lower blind, 37: Glass surface material as waist panel, 45A, 45B: Drain hole, 46: Fireproof panel, 60: Supporting tool.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Ken-o Motoyasu 1-19-19 Hibarigaoka Kita, Hoya-shi, Tokyo (72) Inventor Yuko Narita 1-173-2, Kamiyamacho, Funabashi-shi, Chiba F-term ( Reference) 2E002 NA01 NB02 NB03 PA01 QB09 VA04 WA06

Claims (5)

[Claims] A window is formed by a support attached to a building skeleton, and a window panel supported by the support, and at least upper and lower stitches attached to the building skeleton and a gap between these stitches. A curtain wall in which a waist is formed by a waist panel to be arranged. 2. The curtain wall according to claim 1, wherein a drain hole is provided in the lower eyeless portion for communicating between the interior and the exterior. 3. The window panel of the window is fixed to the support with a holding member attached to the support from the outdoor side, and the waist panel has another holding member having the same appearance as the holding member. The upper and lower eyes are fixed by a member.
Or the curtain wall according to claim 2. 4. The curtain wall according to claim 1, wherein a refractory panel is disposed facing the inside of the waist panel. 5. The curtain wall according to claim 4, wherein the waist panel, the upper and lower blinds, and the fireproof panel are unitized.