JPH0742287A - Supporting structure for curtain wall - Google Patents

Abstract

PURPOSE:To prevent cracks or the like by providing a ball joint member for load that receives load of a curtain wall, a slant controlling ball joint member for controlling slant and slide joint members. CONSTITUTION:Two slide joint members 51 are provided to the lower part of a curtain wall 1, and a ball joint member 11 for load and a controlling ball joint member 31 are arranged to the upper part. The curtain wall 1 moves forward and rearward round the ball joint member 11 for load and in a range wherein the slide joint members 51 are capable of moving. Since the load is applied in the vertical direction to the center of gravity, the curtain wall is made to be aslant, turning round the ball joint member 11 for load, and slant of the curtain wall 1 is controlled by the controlling ball joint member 31. Therefore, cracks and breakage of the curtain wall can be prevented.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a support structure for attaching a curtain wall to a structure of a building.

[0002]

2. Description of the Related Art Regarding a curtain wall which constitutes an outer wall of a building such as a high-rise building, a bracket is interposed between a plurality of connecting devices fixed along an H-shaped steel body supported between columns (posts) of the building. A method of supporting and hanging a curtain wall is generally known.

As the connecting device, one end surface of the L-shaped metal fitting is fixed to the curtain wall side and the other end surface is fixed to the H-shaped steel body by using bolts or the like so that the L-shaped metal fitting is clamped or fixed after welding. By the "fixed" support structure that constitutes the hanging part of the curtain wall, and the structure in which two or more mounting brackets are combined and slidably fitted to each other, the curtain wall is relatively attached to the H-shaped steel body. "Sliding" support structures are known that are slidable on.

[0004]

The structure of a high-rise building is constructed in a flexible structure that flexes when an earthquake occurs or against strong winds. However, curtain walls attached to the outside of the structure are Since the structure is attached with neither elasticity nor flexibility, when the structure is deformed due to an earthquake or the like, distortion occurs between the structure and the curtain wall. As a result, there is a problem that the curtain wall is damaged or falls off the connecting device, and a crack is generated on the structure side, and there is also a problem that the damaged curtain wall causes a secondary disaster.

The present invention has been made in view of the above problems of the conventional curtain wall support structure.
Even if the structure of the building is affected by vibration such as an earthquake,
An object of the present invention is to provide a support structure for a curtain wall that does not affect the curtain wall attached to the outside of the structure.

[0006]

The constitution of the present invention is as follows.

1. A load ball joint member for receiving the load of the curtain wall, a restricting ball joint member for restricting the inclination of the curtain wall, and a slide joint member for enabling the curtain wall to move in the front-rear direction are provided.

2. A slide joint member is provided below the curtain wall at a position that is divided into left and right by a vertical line that passes through the center of gravity, and for load on one side of the curtain wall that is divided into left and right by a vertical line that passes through the center of gravity. A ball joint member is provided, and a regulating ball joint member is provided on the other or one side.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS.

A curtain wall 1 made of a frame body or a concrete body in which glass is pressed and airtightly held is shown in FIG.
In order to form the outer wall of the building as shown in FIG. 1, a connecting device is used for the structure of the building, and each curtain wall 1
Are mounted in independent segment states.
The structure is a steel body horizontally supported between columns (posts) of a building, and an H-shaped steel body or the like is suitable as a structural material capable of withstanding the vertical load of the curtain wall 1. The connecting device is provided with one end thereof separated from the structure for a predetermined period of time, and the other end thereof is provided at an appropriate position of the curtain wall 1, and the curtain wall 1 as an outer wall of a building is attached by connecting the both.

As the connecting member, as shown in FIG. 1, slide joint members 51,
51 is provided, and the load ball joint member 11 and the regulation ball joint member 31 are provided above the curtain wall 1.

First, the slide joint member 51 is shown in FIG.
As shown in FIG. 3, the ball stud 55 includes a spherical ball head 56 and a handle 57 protruding from the ball head 56.
The handle 57 of the ball stud 55 has a collar 5 in the middle thereof.
8. A male screw is formed from the tip to the collar 58, and a nut 59 is screwed to the male screw. A housing 52 has an opening 71 at one end and a slide shaft 70 at the other end, and a ball stud 55 is provided in an internal space continuously formed from the opening 71.
The ball head 56 and the seat 54 are enclosed, and a ring 5 for preventing the seat 5 from coming off is provided in the inner periphery near the opening 71 while being in contact with the seat 54.
3 is fitted.

Reference numeral 60 is a bracket in which a support space 72 penetrating the front and back is formed. A ring-shaped slide bearing 64 having a spherical curved surface on the outer periphery and a seat 66 are enclosed in the support space 72, and a retaining ring 53 is fitted in contact with the seat 66. 52 slide shafts 70 are fitted and inserted into the inner circumference of the slide bearing 64, and a disc-shaped stopper 67 and two nuts 68 and 69 are screwed into a male screw formed at the tip of the slide shaft 70. Fixed part 61 formed integrally with the bracket 60
Is provided with a bolt 63 and a nut 62 for fixing to the structure.

The slide joint member 51 thus constructed has a slide shaft 70 and a slide bearing 64.
And the curtain wall 1 can be moved in the front-rear direction within a movable distance t with respect to the structure. Further, since the ball stud 55 is supported by the housing 52, the swing range α of the ball stud 55 is
It can be freely swung with 1.

Next, the load ball joint member 11 will be described with reference to FIG. In the load ball joint member 11, one end of an arm member 12 is fixed to the curtain wall 1, and a female screw hole 13 formed at the other end is screwed into a housing 14 having a male screw formed on the outer circumference. Further, a hexagonal head portion 15 is integrally formed on the upper portion of one end of the housing 14.
Is provided, and an internal space 16 is formed in the lower part of the other end.
Reference numeral 19 is a lock nut that regulates the movement of the screwed arm member 12. Ball studs 20 in the inner space 16
The ball head 21 and the seat 17 are enclosed, and a retaining ring 18 is fitted to the inner periphery near the opening in contact with the seat 17. The shaft portion 22 of the ball stud 20 protruding from the opening is a tapered through hole 2 of a base 24 fixed to the structure.
5, the nut 2 is attached to the male screw portion 26 formed at the tip.
3 is screwed and fixed.

In the load ball joint member 11 thus constructed, the ball stud 20 is provided in the housing 14.
Therefore, the ball stud 20 can freely swing within the swing range α2. Further, by rotating and adjusting the hexagonal head portion 15 provided on the upper portion of the housing 14, the vertical positional relationship between the structure and the curtain wall 1 can be adjusted.

Subsequently, the restricting ball joint member 31.
Will be described with reference to FIG. The regulation ball joint member 31 has two ball studs 32 and 42. On the other hand, the ball stud 32 has its shaft portion 34 whose tip is fixed to the curtain wall 1, and the other ball stud 42.
Is fixed to a base 95 whose tip of its shaft portion 44 is fixed to the structure. Shaft portions 34, 44 of ball studs 32, 42
Collar portions 35, 45 are formed in the middle, and the collar portions 35, 4 are formed.
Nuts 36 and 46 are screwed between 5 and the curtain wall 1 or the base 95. Housings 39 and 49 for enclosing the ball heads 33 and 43 of the ball studs 32 and 42, respectively.
Of the ball studs 32, 42 in the inner spaces 40, 50 are opened in opposite directions.
The ball heads 33 and 43 and the sheets 37 and 47 of the
Rings 38 and 48 are fitted to the seats 37 and 47 in contact with the seats 37 and 47 on the inner periphery near the opening. The rods 89, 90 projecting from the side portions of the housings 39, 49 have male threads 91, 92 formed at the tips thereof engaged with female threads formed on the inner circumference of the adjusting tube 88. The female threads are formed with threads that are engaged with each other. Nuts 93 and 94 are screwed onto the housing sides of the rods 89 and 90.

The regulation ball joint member 31 is
Since the ball studs 32 and 42 are supported by the housings 39 and 49, the ball studs 32 and 42 can freely swing within the swing ranges α3 and α4. Further, since the female threads formed on the rods 89, 90 of the housings 39, 49 are formed opposite to each other, the length in the axial direction can be adjusted by turning the adjusting tube 88.

Next, a usage mode of the support structure for the curtain wall 1 according to the embodiment of the present invention will be described.

The curtain wall 1 is provided with two slide joint members 51, 51 on the lower side thereof, and a load ball joint member 11 and a regulating ball joint member 31 on the upper side thereof. The curtain wall 1 thus provided has the slide joint member 5 centered on the load ball joint member 11 in the front-back direction.
1, 51 are movable within a movable distance t. In addition, since the load is applied to the center of gravity G in the vertical direction, the curtain wall 1 rotates about the load ball joint member 11 and tilts. At this time, the regulation ball joint member 31 suppresses the inclination of the curtain wall 1.

Therefore, as shown in FIG. 5, the curtain wall 1, which is mounted on the structure in an orderly manner, has the structure as shown in FIG.
Even when it receives an action force to displace it indoors or outdoors due to the influence of wind pressure or the like, the slide joint members 51, 51, the load ball joint member 11, and the regulating ball joint member 31 swing and rotate within a predetermined range. Or, it is slidably supported. Further, since each curtain wall 1 is attached in an independent segment state, even if the curtain walls 1 undergo different relative displacements as described above, they will not affect other curtain walls 1 and structures. Absent.

[0022]

As described above, according to the curtain wall support structure of the present invention, a load ball joint member for receiving the load of the curtain wall, a restricting ball joint member for restricting the inclination of the curtain wall, and the curtain wall. Since a slide joint member that enables movement in the front-back direction is provided, when each curtain wall receives an acting force that causes relative displacement with respect to the structure due to the effects of vibration such as an earthquake or strong wind such as a typhoon, Since the slide joint member, the load ball joint member, and the regulating ball joint member are swingably rotated or slidably displaced, and are connected so as to freely displace the position of the curtain wall with respect to the structure, the curtain wall Therefore, a large load is not applied to the structure, and therefore no crack or damage is caused.

[Brief description of drawings]

FIG. 1 is a front view showing a support structure for a curtain wall according to an embodiment of the present invention.

FIG. 2 is a partial cross-sectional side view showing a slide joint member according to an embodiment of the present invention.

FIG. 3 is a partial cross-sectional side view showing a ball joint for loading according to an embodiment of the present invention.

FIG. 4 is a partial cross-sectional side view showing a restricting ball joint member according to an embodiment of the present invention.

FIG. 5 is a front view of the main part of the building wall surface with the curtain wall attached.

6 is a front view of the main part of the building wall surface in a state where the curtain wall of FIG. 5 is deformed.

[Explanation of symbols]

 1 Curtain wall 11 Ball joint member for load 31 Ball joint member for regulation 51 Slide joint member G Center of gravity X Vertical line

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Takeshi Nakano 1-7-17 Shiba, Minato-ku, Tokyo Minato Building Materials Co., Ltd. (72) Inventor Hiroshi Mukaiyama 3-1-1 Osaki, Shinagawa-ku, Tokyo Ki-san Co., Ltd. In the So (72) Inventor Tsuneharu 5 39, Ozen, Ueda-cho, Toyohashi-shi, Aichi 5 Musashi Seimitsu Kogyo Co., Ltd. (72) Inventor Hironori Koga 5 Musashi, 39, Ueda-cho, Toyohashi-shi, Aichi Precision Industry Co., Ltd.

Claims (2)

[Claims] 1. A curtain wall supporting structure for partitioning an indoor space and an outdoor space of a building, wherein a load ball joint member (11) for receiving a load of the curtain wall (1) and the curtain wall (1). A curtain wall, which is provided with a restricting ball joint member (31) for restricting an inclination and slide joint members (51), (51) that enable the curtain wall (1) to move in the front-rear direction. Support structure. 2. Below the curtain wall (1),
The slide joint members (51) and (5) are respectively placed at positions divided left and right by a perpendicular line (X) passing through the center of gravity (G).
1) is provided, and a load ball joint member (11) is provided on one side of the curtain wall (1) which is divided into left and right by a perpendicular line (X) passing through its center of gravity (G), and the other or one Restricting ball joint member (3
The support structure for a curtain wall according to claim 1, wherein 1) is provided.