JPH0634484Y2 - Curtain wall expansion joints - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to expansion joints for curtain walls, and in particular,
The present invention relates to a curtain wall expansion joint capable of covering a relatively large gap formed between finishing panels without impairing the uniformity or design of the wall surface design of the curtain wall.

"Prior Art" Curtain walls are widely used in the outer peripheral wall structure of high-rise buildings, and have a shape that corresponds to the correlated displacement when the structure is displaced. In addition, since the finishing panel of the curtain wall does not bear the strength of the building, in order to absorb the dimensional error caused by the construction work and to release the internal stress at the time of an earthquake, interpose a sealing material on the joint. Have attempted to use various materials.

"Problems to be solved by the device" However, when buildings are made taller and longer and so-called skyscrapers are built, absorption of dimensional errors caused by construction work, earthquakes, etc. Release of internal stress,
In particular, in order to absorb a large correlation displacement, it has been necessary to provide a large and expandable gap of 100 mm or more between the curtain wall bodies.

Therefore, when we tried to install expansion joints similar to conventional ones in such a large gap, the difference in appearance between the finishing panels on both sides and the pillars of the curtain wall became noticeable, and the wall surface design of the curtain wall. It was found that there is a problem that the uniformity and design of the product is significantly impaired.

It is also a fact that no elastic material suitable for filling such a large gap is actually found.

In view of the above-mentioned circumstances, the present invention is a curtain wall capable of covering a relatively large gap formed between the finishing panel or the curtain wall body without impairing the uniformity and design of the wall surface design of the curtain wall. The purpose of the present invention is to provide an expansion joint.

[Means for Solving the Problem] In order to achieve the above-mentioned object, the expansion joint of the curtain wall according to the present invention is provided at a predetermined interval in a curtain wall building that is covered with a finishing panel. A pair of column members that are erected on the end side of the frame and that support the finishing panel, and edge members that are fixed to each column member,
A cover material that covers the outside of the gap portion, an engaging material whose both ends are received by both edge materials from the inside, and a fastener that draws the cover material to the engaging material are provided. The finishing material designed to be stretched.

[Operation] In the present invention, both end portions of the cover material are separated from each other by causing the edge materials on both sides of the gap to receive the cover material from the inside of the wall and pulling the cover material to the engage material with the fastener. The pillar material on both sides of the gap or the outer surface of the finishing panel on both sides of the gap is supported so that the cover material covers the outside of the gap and is slidable in both directions by the curtain wall body on both sides of the gap. Become.

In addition, the finishing material stretched on the outer surface of the cover material, together with the finishing panels on both sides of the gap, has a unified and design-like appearance.

[Embodiment] An embodiment of the present invention will be described in detail below with reference to FIGS.

The finishing panels 3, 3 are attached to the pillars 5b, and the gaps 2 are provided at predetermined positions on the curtain wall 1 in the vertical direction of the height.

These finishing panels 3 and 3 are made of, for example, glass plate material, marble, tile, and ceramic plate material, and the gap 2
Columns 5b and 5b are installed on both sides of the column 5a and 5a, respectively.
Fixed through.

In addition, each of the pillars 5a, 5a includes a pillar 5b, 5b and a base material 6,
The edge members 7 and 7 are fixed via 6.

The base material 6 is made by pressing a zinc-plated iron plate, for example, and is fixed with screws 8 8 with appropriate vertical gaps on the pillars 5b 5b.

The edge members 7 and 7 are formed, for example, by extruding an aluminum alloy, and have structure portions 7a and 7a having a C-shaped cross section, and receiving portions 7b and 7b that extend laterally from the front edge portion of the structure portions 7a and 7a. The water blocking plate holding portions 7c and 7c are provided so as to extend obliquely inward from the rear edges of the structural portions 7a and 7a. Further, the inner surface of the receiving portion 7b, 7b constitutes a receiving surface 7e, 7e for receiving the end portion of the pivot pot 17 described later,
Gasket holders 7e and 7e are provided on the outer surfaces of the receiving portions 7b and 7b. The gasket holding portions 7e, 7e are configured to hold a gasket 24 that receives a cover material 15 described later via a guide 16.

Then, the force aggregate composed of the band rope inserted into the structure portions 7a and 7a
L-shaped mounting brackets fixed to 7d and 7d with screws 9.9 10.
10 is fixed to a plurality of base materials 6 and 6 with screws 11 and 11.

Both side edges of a water stop plate 12 made of, for example, vinyl chloride are fitted and supported by the water stop plate holding portions 7c, 7c of the both edge members 7, 7.

In addition, the base material 6.6 and the edge material 7.7 and the mounting metal fitting 10.10.
If necessary, the refractory belt support brackets 13 and 13 are inserted between them, and the screws 11 and 11 are used to mount the base metal 6
It is fixed at 6. Then, both side edges of the refractory zone 14 whose main constituent is, for example, a thermal expansion ceramic fiber is supported by the refractory zone support metal fittings 13 on both sides of the gap 2.

On the other hand, outside the gap 2, a cover material 15 is arranged to cover the gap 2 across the center lines of the pillars 5b, 5b on both sides.
The cover material 15 is formed by pressing, for example, a stainless plate or an aluminum alloy plate or by extruding an aluminum alloy, and a guide 16 formed by pressing a steel plate, for example, is fixed to the inner surface of the cover member 15.

A pedestal 17 is fixed to the inside of the central portion of the guide 16 with two upper and lower bolts 18, and the cover material 15, the guide 16 and the pedestal 17 are attached.
Long bolt 19a of the fastener 19 that rotatably passes through the center of the
Is provided. A pivot pot 20 as an engaging member is rotatably supported on the long bolt 19a. Further, the pivot 22 is biased toward the pedestal 17 by a spring 22 received by a nut 19b of a fastener 19 screwed to the tip side thereof. In order to prevent the nut 19b from rotating with respect to the pivot pot 20, the nut 19b is fixed to a U-shaped detent metal fitting 23 that straddles the central portion of the pivot pot 20. The nut 19b may be directly fixed to the central portion of the pivot bar 20, but as described above, the nut 19b and the pivot bar 20 may be fixed.
By interposing the spring 22 between the and, it is possible to prevent an excessive force from acting on the pivot pot 20, the receiving portion 7b, 7b of the edge member 7 of the guide plate 16 and the insufficient fastening force of the fastener 19. Will be advantageous.

On the outer surface of the cover material 15, a finishing material 25 designed in a unified manner with the finishing panels 3 and 3, for example, a finishing material 25 made of a ceramic plate material such as a glass plate having the same appearance as the finishing panels 3 and 3 is stretched. It A backup member 26 and a sealing material 27, 27 are inserted between the finishing material 25 and the cover material 15, and the long bolt 19a is rotatably operated in the central portion of the finishing material 25, if necessary. A hole 28 is formed.

In addition, packing 29, 29 for maintaining watertightness and airtightness between the pillars 5b, 5b and the cover material 15 is provided on both side edges of the cover material 15.

The pivot pot 20 is made of, for example, a stainless steel plate, and has a contact portion 30 made of, for example, a synthetic resin at both ends. The contact portion 30 is provided so as to project outward from the pivot pot 20.

If necessary, as shown in FIG. 4, a fall prevention component 31 is provided on either the upper side or the lower side of the finishing material 25 or one side. The fall prevention component 31 is a piece-shaped component and is fixed to the back surface of the cover material 15.

The procedure for assembling the expansion joint of this curtain wall to a building is as follows.

That is, after assembling the pillars 5a and 5a with the pillars 5b and 5b, the base material 6.6, the fireproof metal support bracket 13 and 13, the edge member 7.7, the fireproof belt 14 and the water stop plate 12 in this order, the pivot bar 20 for both edges 7
It is inserted from the space between 7 to the inner side of the gap, that is, the inside of the receiving portions 7b, 7b, and the long bolt 19 is turned so that both ends of the pivot pot 20 are received by the structural portions 7a, 7a of both edge members 7. By further tightening the long bolt 19, the gap between the contact portion 30 of the pivot pot 20 and the cover material 15 and the guide 16 is narrowed, and the receiving portions 7b and 7b and the gasket 24 are sandwiched between them to cover the cover material 15, The guide 16 and pivot bar 20 are used as the edge material 6
Fix at 6. The finishing material 25 may be fixed to the cover material 15 in advance. Alternatively, after fixing the covering material 15 to the edge members 6 and 6, it is fixed to the covering material 15 when the finishing panel 3, 3 is mounted. May be.

According to the expansion joint of the curtain wall assembled in this way, since the finishing material 25 designed integrally with the finishing panel 3 3 is stretched on the outer surface of the cover material 15, the finishing panel 3 3. The relatively large gap 2 formed between the two is filled without impairing the uniformity of the wall surface design of the curtain wall.

[Advantage of Invention] As described above, in the present invention, in a building with a curtain wall that is covered with finishing panels, the present invention is erected on the end side of the curtain wall body provided at a predetermined interval to support the finishing panel. A pair of pillar members, an edge member fixed to each pillar member, a cover member that covers the outside of the gap portion, an engaging member whose both ends are received from both inside members, and a cover member It is possible to stretch the finish material designed integrally with the finish panel on the outer surface of the cover material by using a fastener that pulls the material.

Moreover, according to the present invention, since the finishing material designed integrally with the finishing panel is stretched on the outer surface of the cover material, the comparatively large gap formed between the finishing panels is covered with the finishing material for the wall surface design of the curtain wall. It can be filled without impairing the uniformity and design. In the expansion joint of the curtain wall of the present invention, the guide, the cover material projecting the pedestal, and the pivot bar are arranged and locked inside and outside the edge member, respectively, and the attachment state of the guide and the pivot port is surely confirmed. Then, the long bolts are passed through the guide and the pedestal to attach the cover material, so that workability is good and strength is improved.

[Brief description of drawings]

FIG. 1 is a cross-sectional plan view of an expansion joint of a curtain wall according to an embodiment of the present invention, FIG. 2 is a perspective view of FIG. 1, FIG. 3 is a perspective view of its waterproof structure, and FIG. 4 is a finish. It is a longitudinal section showing a state where a fall prevention component is engaged with a material. 1 …… Curtain wall 2 …… Gap 3 …… Finishing panel 5 …… Column material 7 …… Edge material 15 …… Cover material 19 …… Fastener 20 …… Pipot bar (engaging material) 25 …… Finishing material

Claims (1)

[Scope of utility model registration request] 1. In a building of a curtain wall that is covered with a finishing panel 3, the finishing panel 3 is erected on the end side of a curtain wall frame provided with a predetermined gap 2.
A pair of pillar members 5 for supporting the pillar members 5, an edge member 7 fixed to each pillar member 5, a cover member 15 for covering the outside of the gap 2, and a cover member.
A guide 16 in which a pedestal 17 is projectingly fixed to the inner surface of the inner surface of the center 15 of the pedestal 15, a pivot bar 20 that engages with both edge members 7 from the inside, and a center of the cover material 15, the guide 16 and the pedestal 17 A long bolt 19a that rotatably penetrates the portion and a spring 22 that biases the pivot pot 20 toward the pedestal 17 are provided, and a finishing material 25 that is integrally designed with the finishing panel 3 is stretched on the outer surface of the cover material 15. An expansion joint for curtain walls that is characterized by: