JPH07286668A - Sealing gasket joint structure for four-point supported rectangular glass plate - Google Patents

Abstract

PURPOSE:To absorb distortion such as a gap between rectangular glass plates caused after installation to a building by dividing a sealing gasket into two pieces on an inclined abutment face in the outside center and bringing them into contact with each other by means of preload for sealing. CONSTITUTION:A rectangular glass plate 1, which is supported at four comers by means of point supporting metal fittings 7 so as to be installed in a building, is made of laminated glass consisting of a reinforcing plate 1b in the middle and float glass plates 1a, 1c on its both sides. In each of four corners in the respective rectangular glass plates 1, an installation hole 6, into which a supporting tool 7b of the point supporting metal fitting 7 is inserted, is perforated. In a joint part 2 between the adjacent glass plates 1, 1, a sealing gasket 3 is arranged, and the sealing gasket 3 is provided with a dovetail groove 5 to be fitted in an opposed projecting end part 4, is divided into two pieces on an inclined abutment face 8 in the center, and is provided with a long clearance part formed in the center part of the abutment face 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a four-point-supporting rectangular glass sheet sealing gasket joint structure which is supported by point-supporting metal fittings and attached to a building.

[0002]

2. Description of the Related Art FIG. 3 exemplifies an attachment method in which four corners of a four-point supporting rectangular glass plate which has been conventionally constructed are supported by point supporting metal fittings and attached to a building. In FIG. 3, mounting holes 6 and 6 are provided at four corners of four rectangular glass plates 11, 11 ...
... are perforated, and four leg portions 7a, 7a of the point support fitting 7 are formed.
The bolt-shaped supporting members 7b and 7 respectively assembled to the ...
.. is inserted, the four rectangular glass plates 11, 11 ... Are integrally joined to the point support fitting 7, and the truss of the building is provided via a support shaft 7c that is horizontally supported at the center of the point support fitting 7. It is attached to members and columns / beams.

A flat joint portion 12 is formed between adjacent rectangular glass plates 11, 11 supported at four points by point support fittings 7, and the joint portion 12 has a substantially rectangular cross section as shown in FIG. A sealing gasket 13 (FIG. 5) having a shape is attached. Square glass plate 1 by the point support metal fitting 7
1 is a square glass plate
It is characterized in that the strain generated between No. 1 and No. 11 can be absorbed by the rotary hinge structure between the constituent members such as the leg portion 7a, the support member 7b, the support shaft 7c, etc. Therefore, it is attached to the joint portion 12. As shown in FIG. 6, the sealing gasket 13 is formed by making its material thickness B thinner than that of the rectangular glass plate 11 and attaching it by retracting it from the surface and denting the surface shape C in an arc shape. It is easy to follow 11. In addition, in FIG. 4, the point support metal fitting 7 (FIG. 3) is simply illustrated. However, as described above, since the sealing gasket 13 is installed so as to be retracted from the rectangular glass plate 11 and the front side thereof is concave, the rectangular glass plate 1
A paragraph 14 is formed between 1 and 11, and dust in the air is easily attached and accumulated there, and cleaning is not easy.
Despite being effectively and beautifully attached without using a sash due to the point support, the aesthetic appearance of the glass-clad structure was often impaired in a short period of time.

[0004]

SUMMARY OF THE INVENTION The present invention is intended to solve the above problems, and is intended to be solved by the technical ideas listed below. (1) If the side edges of the rectangular glass plate are made convex in cross section and dovetail grooves are provided at the inner ends of the sealing gasket to align them, it is possible to prevent the occurrence of a step on the surface due to lateral displacement. (2) If a laminated glass plate having a three-piece structure is used as a rectangular glass plate and the middle plate is projected, a joint side end having a convex cross-section can be easily formed. (3) Providing a plurality of ridges arranged in parallel on the outside of the sealing gasket provided with the dovetail groove, and pre-loading the gaskets on the contact surface so that the outer ridges contact each other in an airtight manner. If you attach it by matching with,
The strain generated in the step between the rectangular glass plates can be easily absorbed by the inclined butting surfaces without spoiling the appearance, and the function of supporting four points can be made more effective. (4) If a long gap is provided in the center of the inclined butting surfaces of the sealing gaskets and the ridges on both sides thereof are brought into contact with each other, it is possible to prevent water infiltration by the capillary phenomenon at the butting surfaces. (5) If the thickness of the sealing gasket is set to be substantially the same as the thickness of the rectangular glass plate to eliminate the step on the surface and make the boundary smooth, it is possible to prevent dust from adhering and accumulating. (6) It is preferable in terms of physical properties and function that the sealing gasket is made of an elastic material made of a silicone resin material.

By combining the above technical ideas, a means for solving the problem is constructed as follows. (1) In a sealing gasket joint structure of a four-point supporting square glass plate supported by a point support fitting and attached to a building, the square glass plate is a laminated glass plate of three pieces and one side end in the middle thereof. And a side edge of the laminated glass forms a convex cross-section, and a sealing gasket made of an elastic material is wrapped around the side edge of the convex cross-section of the laminated glass, and the sealing The gasket has a long dovetail groove on the inside according to the shape of the side edge of the convex section of the laminated glass, and has a plurality of ridges arranged side by side on the outside in a slanted manner. A side edge portion of the glass plate is fitted and wound in a long dovetail groove of the sealing gasket to form a rectangular glass plate with a sealing gasket, and the rectangular glass plate with the sealing gasket. A four-point support square characterized in that the abutting surfaces are brought into contact with each other by applying a preload so that the plurality of inclined ridges are airtightly opposed to each other at the abutting surfaces of the outer surfaces of the sealing gaskets. Glass plate sealing gasket joint structure. (2) A long void is formed in the central portion of the abutting surfaces of the outer surfaces of the sealing gasket, and the abutting ridges on both sides of the sealing structure constitute a sealing structure. The sealing gasket joint structure for a four-point-supporting rectangular glass plate according to the item (1), which has the same thickness. In the present invention described above, it is preferable that the elastic material forming the sealing gasket is made of a silicon-based resin material. An example of the reinforcing plate is a transparent plastic plate, and the glass plates on both sides of the reinforcing plate are made of float glass.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a sealing gasket joint structure for a four-point supporting rectangular glass plate according to the present invention will be described in detail below with reference to the drawings. FIG. 1 is a perspective view showing a mounting state of a sealing gasket according to an embodiment of the present invention, and FIG. 2 is a sectional view of an essential part of FIG. In the figure, 1 is a laminated rectangular glass plate of the present invention having a three-piece construction, 1b is a reinforcing plate, 1a and 1c are float glass plates,
Reference numeral 2 is a joint portion, 3 is a sealing gasket according to the embodiment of the present invention, 3a is a divided portion thereof, 3b is b thereof.
, 4 is a convex side end, 5 is a dovetail groove, 6 is a mounting hole, 7
Is a point support fitting, 7a is a leg, 7b is a support, 8 is an abutting surface, 9a is a long void, and 9b is an abutment ridge.

In FIG. 1, each of the rectangular glass plates 1 supported at four corners by point support fittings 7 and attached to a building is composed of three laminated glass plates, the middle of which is a reinforcing plate 1b, and both sides thereof are formed. Are floated on the float glass plates 1a and 1c and polymerized. In addition, 6 is four rectangular glass plates 1,
Attachment holes 7b are formed at the opposite positions of the four corners 1 ..., and 7b is a support tool for the point support fitting 7 and is inserted into the attachment hole 6.
Further, in FIG. 1, the point support fitting 7 (FIG. 3) is simply illustrated. Also, the side edge of the middle reinforcing plate 1b projects from the side edges of the float glass plates 1a, 1c on both sides to form a side end 4 having a convex cross section, and the adjacent square glass plates 1, 1 face each other. Joint part 2 having projecting side edges 4 and 4
Are formed.

As shown in the sectional view of FIG. 2, the sealing gasket 3 attached to the joint portion 2 has a width dimension (thickness of the glass plate 1a) of the protruding portions of the opposite side portions 4 and 4 having convex cross sections. Matching T, the dovetail grooves 5 and 5 facing the both ends
Is formed. Further, the material thickness S thereof is made equal to that of the rectangular glass plate 1 so that when it is attached, it does not create a level difference as in the prior art and becomes smooth. Further, the sealing gasket 3 is divided into two parts, an a part 3a and a b part 3b, by an inclined butting surface 8 at the outer center, and a long void 9a is provided at the center of the butting surface 8 and two ridges on both sides thereof are provided. The contact ridges 9b and 9b are configured to contact each other. Further, the sealing gasket 3 is made of an elastic material made of a silicon-based resin material, and its lateral width is made slightly larger than the interval dimension U of the joint portion 2 so that a preload is generated on the abutting surface 8 when attached. It is in airtight contact and can be sealed.

The sealing gasket 3 having the above structure is separated into a portion 3a and b portion 3b at a butting surface 8 and is welded to the convex side end portions 4 and 4 of the rectangular glass plates 1 and 1, respectively.
When they are attached to the building, the square glass plates 1 and 1 can be unitized in the factory with the sealing gaskets 3a and 3b attached, so that they can be assembled efficiently. It will be possible.

[0010]

EFFECTS OF THE INVENTION Since the sealing gasket of the four-point supporting rectangular glass plate of the present invention has the above-mentioned constitution and operation, the following various effects can be expected. (1) Since the sealing gasket is divided into two parts by the inclined butting surface at the center of the outside and abuts and seals with a preload, even if a distortion such as a step occurs between the square glasses after mounting on a building, the inclination is The abutting surface can be easily absorbed without impairing the aesthetics. In addition, since a long gap is provided in the center of the outer abutment surface and the abutment surface is a two-ridge restraining type that abuts the two edges of the ridges on both sides of the abutment surface, it is possible to completely prevent water infiltration due to the capillary phenomenon. (2) A laminated glass plate having a three-piece structure facilitates the formation of convex side edges, and even if the material thickness of the sealing gasket is the same as that of the rectangular glass sheet, the convex side edges are used. Since there is no risk of lateral displacement between the two, it is smooth without forming paragraphs as in the prior art on the surfaces of both, and dust adhesion and deposition can be prevented. (3) A four-point supporting rectangular glass plate is produced as a unit with the sealing gaskets separated at the factory attached to it in a unit, and when it is attached to a building, it is easily combined at the abutting surface. It is possible to dramatically improve the construction efficiency of attaching the to the building.

[Brief description of drawings]

FIG. 1 is a perspective view showing a mounting state of a sealing gasket according to the present invention.

FIG. 2 is a cross-sectional view taken along the line EE of FIG.

FIG. 3 is an explanatory view of a conventional four-point support method using a point support fitting.

FIG. 4 is a perspective view showing a mounting state of a conventional sealing gasket.

5 is a cross-sectional view taken along the line DD of FIG.

[Explanation of symbols]

1 Square glass plate 1a Float glass plate 1b Reinforcing plate 1c Float glass plate 2 Joint part 3 Sealing gasket 3a a part 3b b part 4 Cross section convex side end part 5 Dovetail groove 6 Mounting hole 7 Point support metal fitting 7a Leg part 7b Support tool 8 Butt face 9a Void 9b Contact ridge 11 Square glass plate (conventional) 12 Joint part (conventional) 13 Sealing gasket (conventional) 14 Paragraph part A Plate thickness B Material thickness (conventional) C Surface shape S Material thickness T Projection Width dimension U Joint spacing dimension

Claims (3)

[Claims] 1. In a sealing gasket joint structure of a four-point supporting square glass plate supported by a point support fitting and attached to a building, the square glass plate is a laminated glass plate of three sheets and one of the middle glass sheets is a laminated glass sheet. The side edge projects and the side edge of the laminated glass forms a convex cross section, and the side edge of the convex cross section of the laminated glass has
A sealing gasket made of an elastic material is wound, and the sealing gasket has a long dovetail groove on the inner side and a slanted outer side in parallel to match the shape of the side end of the laminated glass having a convex cross section. A plurality of ridges are provided, and a side end of the laminated glass plate is fitted and wound in a long dovetail groove of the sealing gasket to form a rectangular glass plate with a sealing gasket. Sealing gaskets of the square glass plates with gaskets, the abutting surfaces of the outer side surfaces of the sealing gaskets are abutted by applying a preload to the abutting surfaces so that the tilted ridges are in airtight contact with each other. A four-point supporting square glass plate sealing gasket joint structure. 2. A long gap is formed in the central portion of the abutting surfaces of the outer surfaces of the sealing gasket, and the contact ridges on both sides of the gap form a sealing structure, and the material of the sealing gasket has a square glass shape. The sealing gasket joint structure for a four-point supporting rectangular glass plate according to claim 1, wherein the plate thickness is the same as that of the plate. 3. The sealing gasket joint structure for a four-point supporting rectangular glass plate according to claim 1, wherein the elastic material forming the sealing gasket is a silicone resin material.