JP3191133B2 - Curtain wall connection structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure of a glass curtain wall forming an outer wall of a building structure such as a building.

[0002]

2. Description of the Related Art Generally, when an outer wall of an architectural structure such as a building is formed of a curtain wall made of glass such as tempered glass or laminated glass, the curtain wall is fitted to a frame formed in a grid or the like. An embedded structure is used. In such a structure, when the architectural structure is externally viewed, the frame is actually an accent in appearance, although the outer wall surface is mainly composed of glass. Since this frame requires a predetermined strength to support the glass, it is difficult to make the frame thin and inconspicuous, which has been a constraint on the external design.

In recent years, the following structure has been realized in response to such a problem. As shown in FIG.
Support frame 2 extending parallel to the surface of outer wall 1
Are fixedly provided on a skeleton (not shown). A support fitting 3 orthogonal to the support frame 2 is fixed to the support frame 2. A structure in which a locking hole 6 formed in a glass curtain wall 5 forming the outer wall 1 is locked to a step portion 4 formed at a distal end portion of the support fitting 3, whereby the curtain wall 5 is supported. It has become. As shown in FIG. 7, in the gap between the vertically adjacent or horizontally adjacent curtain walls 5 and 5, extending in the horizontal direction along this gap, similarly to a conventional general connection structure of curtain walls. A blind 7 and a ridge 8 extending in the vertical direction are provided to connect the curtain walls 5, 5,. As shown in FIG. 6, a blind 7 and a cubic 8 are fixed to the support frame 2 and extend in a horizontal direction and a vertical direction, respectively, and are made of aluminum, stainless steel, or the like. With the caulking material 10 that closes the gap between the curtain walls 5, the adjacent curtain walls 5, 5 are connected to each other so as to maintain the water stopping property. In the above-described structure, each curtain wall 5 is connected to the support fitting 3.
, The blinds 7 and the cubic 8 are provided only for connecting the adjacent curtain walls 5, 5,..., Thereby making the blinds 7 and the cubic 8 thin. It can be made inconspicuous, and the appearance design can be diversified.

[0004]

However, the above-described conventional connection structure of a curtain wall has the following problems. First, since the adjacent curtain walls 5 and 5 are connected by the blinds 7 and the cubic 8, if the outer wall 1 is configured by a curved surface, a bent surface, or the like, the blinds 7 and the cubic 8 are complicated. Since the shape must be formed, it is difficult to manufacture it, and the cost is greatly increased. Therefore, there is a problem that the molding of the building structure is restricted to a flat surface. Also, the adjacent curtain wall 5,
Since the connection of No. 5 relies solely on the caulking material 10, there is a problem in reliability such as a decrease in water stoppage due to aging or the like. The present invention has been made in view of the above points, and provides a connection structure of a curtain wall in which an outer wall surface is configured with a curved surface, a bent surface, and the like, so that the appearance design can be diversified. With the goal.

[0005]

The invention according to claim 1 is
A connection structure of a glass curtain wall forming an outer wall of a building structure, wherein a support frame extending parallel to the curtain wall is disposed on a back surface side of the curtain wall, and a support provided on the support frame is provided. The tip of the bracket is
The support frames are locked by locking holes formed in the curtain wall, and the connecting portions of the adjacent curtain walls have the support frames located on the back side of the curtain walls, and the axes of the support frames intersect with each other. As described above, the gasket which is pin-joined and extends along the space between the curtain walls is provided so that both sides thereof are fitted to the ends of the curtain wall.

According to a second aspect of the present invention, there is provided a connection structure of a glass curtain wall forming an outer wall of a building structure, wherein a support frame extending parallel to the curtain wall is provided on the back side of the curtain wall. And a front end of a support fitting provided on the support frame is locked in a locking hole formed in the curtain wall, and a connection portion between adjacent curtain walls has a rear side of the curtain wall. And the gasket extending along the space between the curtain walls is fitted to one end of the curtain wall. And is arranged so as to be in contact with the back surface of the other curtain wall.

[0007]

According to the first aspect of the present invention, the curtain wall forming the outer wall of the building structure is formed by locking the tip of the support fitting provided on the support frame into the locking hole formed in the curtain wall. Is supported. Moreover, since the support frames located on the back surface side of the adjacent curtain walls are pin-joined so that the axes of these support frames intersect, the surfaces on which the adjacent curtain walls are located intersect, that is, the adjacent curtains intersect. The surface constituted by the wall will be bent. In addition, a gasket extending between the curtain walls is disposed at the connection portion between the adjacent curtain walls by fitting both sides of the gasket to the ends of the curtain wall. Connected by

[0008] In the invention according to the second aspect, a curtain wall forming an outer wall of a building structure is formed by locking a tip end of a support fitting provided on a support frame into a locking hole formed in the curtain wall. Is supported. Also,
Since the support frames located on the back surface side of the adjacent curtain walls are pin-joined so that the axes of these support frames intersect, the surfaces where the adjacent curtain walls are located intersect, that is, the adjacent curtain walls are The constituent surfaces will be bent. In addition, a gasket extending along a gap between the curtain walls is fitted to an end portion of one of the curtain walls and is in contact with a back surface of the other curtain wall at a connection portion of the adjacent curtain walls to be interposed. Therefore, the connecting portions of the adjacent curtain walls are sealed without exposing the gasket on the outer surface.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to Embodiments 1 and 2 shown in the drawings. First, here, a first embodiment in which a gasket is fitted between and interposed between two adjacent curtain walls in a curtain wall connection structure according to the present invention will be described. FIG. 1 shows an example of a building structure to which a curtain wall connection structure according to the present invention is applied. As shown in FIG. 1, the outer wall 11 of the building structure A is
It has a plurality of bent portions 11a, whereby the entire appearance is formed by a curved surface. This outer wall 11 is a curtain wall 12 made of tempered glass or laminated glass.
Are arranged in the vertical and horizontal directions.

On the back side of these curtain walls 12, supporting frames 13, 13,... Having substantially the same length as each curtain wall 12 are provided in parallel with, ie, adjacent to, each curtain wall 12. Are arranged in such a manner that the axes intersect with each other.

At the bent portion 11a of the outer wall 11, the support frames 13 are connected as follows. As shown in FIG. 2, joint holes 14, 14 are formed at both ends of each support frame 13. And the support frames 13a, 13b which are continuous in the vertical direction
The joint hole 14 at the lower end of the support frame 13a located above and the joint hole 14 at the upper end of the support frame 13b located below are joined by a joint pin 15. In addition, each support frame 13
Is fixed to a skeleton (not shown) by rods 16, 16 made of tensile steel, one end 16a of which is fixed to the joint pin 15 and the other end (not shown) is fixed to a skeleton (not shown).

In this manner, the upper portion of each support frame 13 disposed in parallel along the surface on which the outer wall 11 is to be formed,
In the lower part, support brackets 17, 17 extending in a direction perpendicular to the axis of the support frame 13 are provided. As shown in FIG. 2, each support bracket 17 includes a locking member 18 and a pressing member 19. The locking member 18 includes the base 1
Step 18b whose diametrical dimension is smaller than 8a
Are formed, and a female screw portion (not shown) is formed therein. The pressing member 19 has a pressing portion 19a whose diameter in the diameter direction is larger than that of the step portion 18b of the locking member 18, and a male screw screwed into a female screw portion (not shown) of the locking member 18. (Not shown).

On the other hand, a locking hole 12a is formed in the curtain wall 12, and the locking hole 12a is locked to a step 18b of a locking member 18 of the support fitting 17, whereby the curtain wall 12 is formed. Are supported by the support bracket 17.

In this manner, the connecting portions of the adjacent curtain walls 12, which are supported by the support frame 13 and are disposed in the plane constituting the outer wall 11, extend along the gaps between the curtain walls 12, 12. Extending gasket 2
0 is disposed so that both sides thereof are fitted to the ends of the curtain walls 12, 12, whereby the curtain wall 1 is provided.
2, 12 are connected. The connection structure of the curtain walls 12, 12 in the bent portion 11a of the outer wall 11 is as described above.

In the architectural structure A, where the outer wall 11 is bent not only in the vertical direction but also in the horizontal direction, the adjacent curtain wall 1
What is necessary is just to connect 2,12. Further, in a place where the outer wall 11 is formed in a plane without being bent, the support frames 13, 13 may be arranged with the same axis.
Further, the support frame 13 does not have to have substantially the same length as the curtain wall 12, and may be configured to use a long one having a plurality of curtain walls 12.

When the curtain walls 12, 12,... Having the above configuration are constructed, first, support frames 13, 13,.
... and fixed to a frame (not shown) and installed at a predetermined position. At this time, each support frame 13 has a support bracket 17.
Is previously attached. Then, after the curtain wall 12 is locked to the locking member 18 of the support fitting 17 of each support frame 13, the female screw portion (not shown) of the locking member 18 is attached to the male screw portion (not shown) of the pressing member 19. )
Screw it in and attach it. Thereby, the curtain wall 12 is supported by the support frame 13. After the curtain walls 12, 12,... Are attached to the support frames 13, 13,.
In the meantime, the installation work of the curtain walls 12, 12,... Is completed by attaching the gasket 20.

In the above-described connection structure of the curtain walls 12, 12, the support frames 13, 13 for supporting the curtain walls 12, 12 are arranged so that their axes intersect with each other, and these are pin-connected with the joint pins 15. By doing so, the curtain wall 12,
The surfaces on which the curtain walls 12 are located intersect, that is, the surfaces formed by the adjacent curtain walls 12, 12 are bent. Thus, the outer wall 11 can be formed with a bent surface.
1 can be formed with a curved surface. Also, at the time of construction, it is only necessary to assemble the support frames 13, 13,... At a predetermined position. This can be done at Therefore, diversification can be achieved by adopting a curved surface or a curved surface in the appearance design of the building structure. Further, the gasket 20 is fitted between the adjacent curtain walls 12 and 12 at the ends of the curtain walls 12 and 12 on both sides, and the curtain walls 12 and 12 are connected to each other. Compared with a caulking material or the like, a decrease in water stoppage due to a change over time is small, and high reliability can be obtained.

In the first embodiment, the bent portion 11a of the outer wall 11 of the building structure A is formed to have an outwardly convex shape. However, the support frame 1 is formed so as to be inwardly convex.
By joining the members 3 and 13, for example, as shown in FIG. 3, it is possible to configure the outer wall 22 of the building structure B having a shape gradually expanding upward.

Next, a description will be given of a second embodiment in which a gasket is fitted between only one curtain wall and interposed between adjacent curtain walls in the curtain wall connection structure according to the present invention. Here, only the configuration different from the first embodiment described above will be described.

As shown in FIG. 4, the outer wall 2 of the building structure C
5, the curtain frames 12, 12 constituting the support frame 1 are disposed so that the axes intersect and are pin-connected by the joint pins 15, as in the first embodiment.
Supported by 3,13. In the connecting portion between the adjacent curtain walls 12, 12, the lower end of the upper curtain wall 12c is located outside the upper end of the lower curtain wall 12b, whereby the curtain wall is closed. Steps are formed at the connection portions 12b and 12c. A gasket 26 extending between the curtain walls 12b and 12c is provided at a connection portion between the curtain walls 12b and 12c.
Are arranged. This gasket 26 fits into one end of the lower curtain wall 12b and the other upper curtain wall 1b.
2c is in contact with the back surface.

In the connection structure of the curtain walls 12 and 12 described above, the support frames 13 and 13 for supporting the curtain walls 12 and 12 are arranged so that their axes intersect, as in the first embodiment. By connecting these with the joint pin 15, the surface formed by the curtain walls 12, 12 is bent at the connection portion, and the outer wall 25 can be formed with a bent surface or a curved surface. Also, at the time of construction, the support frames 13, 1
It is only necessary to assemble 3,... At a predetermined position, and there is no need to form a complicatedly shaped blind or cubic as in the related art, so that it can be easily and at low cost.
Therefore, diversification can be achieved by using a curved surface or a curved surface in the appearance design of the building structure. A gasket 26 is fitted between the adjacent curtain walls 12 and 12 so as to be fitted to the end of one of the curtain walls 12b and abut against the back surface of the other curtain wall 12c. Are connected. Thereby, similarly to the first embodiment, high reliability in water stoppage can be obtained. In addition, when the building structure C is viewed externally, the gasket 26 is not exposed to the outer surface and a step can be formed at the connection between the curtain walls 12, 12, so that a more expressive appearance can be obtained. it can.

When the building structures A, B, and C of the first or second embodiment are provided with an opening / closing mechanism for disaster prevention or the like,
The following structure may be used. That is, as shown in FIG. 5, the curtain walls 12, 12 are mounted on support frames 27, 27 provided on a frame (not shown).
7 is supported. An upper end portion (not shown) of the support frame 27a located above is rotatably supported by a rotating shaft (not shown), so that the curtain wall 12 located above can be opened and closed.
A gasket 28 fitted to the lower curtain wall 12 is disposed between the curtain walls 12. The gasket 28 is shaped to contact the lower end surface and the back surface of the curtain wall 12 located above. As a result, the connecting portions of the curtain walls 12, 12 are sealed. With the above-described configuration, only the gasket 28 is exposed at the connection portion between the curtain walls 12, 12. Therefore, in the building structures A, B, and C, the curtain is not impaired in appearance. The opening and closing mechanism can be provided on the wall 12.

[0023]

As described above, according to the curtain wall connecting structure of the first aspect, the outer walls of the architectural structure are constituted by curved surfaces or curved surfaces by intersecting the surfaces where the adjacent curtain walls are located. can do. Also, at the time of construction, it is only necessary to assemble a support frame or the like for supporting the curtain wall, and it is not necessary to form an intricately shaped and cubic shape as in the conventional case. Can be constructed. Therefore, diversification can be achieved by using a curved surface or a curved surface in the appearance design of the building structure. In addition, since a gasket is fitted to adjacent curtain walls and fitted to the ends of the curtain walls on both sides, and these curtain walls are connected to each other, compared to a conventional caulking material or the like, the gasket is changed over time. There is little decrease in water stoppage and the like, and high reliability can be obtained.

According to the second aspect of the present invention, similarly to the first aspect, the surfaces on which the adjacent curtain walls are located cross each other, and the outer wall of the building structure is formed of a curved surface or a curved surface. be able to. Also, at the time of construction, it is only necessary to assemble a support frame or the like for supporting the curtain wall, and it is not necessary to form an intricately shaped and cubic shape as in the conventional case. Can be constructed. Therefore, diversification can be achieved by using a curved surface or a curved surface in the appearance design of the building structure. Further, between adjacent curtain walls, a gasket which is fitted to the end of one curtain wall and is in contact with the back surface of the other curtain wall is arranged to connect these curtain walls. As a result, in water stoppage, high reliability can be obtained, and when the building structure is externally viewed,
Since the gasket is not exposed to the outer surface and the step portion can be formed at the connection portion of the curtain wall, the appearance design can be further diversified, and a more expressive appearance can be obtained.

[Brief description of the drawings]

FIG. 1 is a front sectional view showing an example of a building structure to which a curtain wall connection structure according to the present invention is applied.

FIG. 2 is a front sectional view showing a connection portion of a curtain wall in the building structure.

FIG. 3 is a schematic view showing another example of a building structure to which the curtain wall connection structure according to the present invention is applied.

FIG. 4 is a front sectional view showing a connection part of a curtain wall in another example of a building structure to which a connection structure of a curtain wall according to the present invention is applied.

FIG. 5 is a front sectional view showing a curtain wall opening / closing mechanism provided in the building structure.

FIG. 6 is a front sectional view showing a conventional curtain wall connection structure.

FIG. 7 is a side view showing the connection structure.

[Explanation of symbols]

 11, 22, 25 Outer wall 12 Curtain wall 12a Lock hole 13 Support frame 17 Support bracket 20, 26 Gasket A, B, C Building structure

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-214781 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04B 2/88

Claims (2)

(57) [Claims] 1. A connection structure for a glass curtain wall forming an outer wall of a building structure, wherein a support frame extending parallel to the curtain wall is provided on a back side of the curtain wall. The front ends of the support fittings provided on the curtain wall are locked by locking holes formed in the curtain wall, and the connecting portions of the adjacent curtain walls have the support portions located on the back side of the curtain wall. The frame is pin-joined such that the axes of the support frames intersect, and a gasket extending between the curtain walls is arranged with both sides fitted to the ends of the curtain wall. A connection structure for a curtain wall. 2. A connection structure for a glass curtain wall forming an outer wall of a building structure, wherein a support frame extending parallel to the curtain wall is provided on a back surface side of the curtain wall. The front ends of the support fittings provided on the curtain wall are locked by locking holes formed in the curtain wall, and the connecting portions of the adjacent curtain walls have the support portions located on the back side of the curtain wall. A frame is pin-joined so that axes of the support frames intersect, and a gasket extending between the curtain walls is fitted to an end of one of the curtain walls and the other of the curtain walls. A connection structure for a curtain wall, which is provided so as to be in contact with the back surface of the wall.