JPH10131318A - Gasket for internal corner joint - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an internal corner joint gasket without requiring the execution of work taking time and labor such as a design for an exterior facing member exclusively for an internal corner part and requiring no high cost of the exterior facing member. SOLUTION: An internal corner joint gasket 10 is so constituted that two housing exterior facing members 101 are arranged at approximately right angles at a specific interval A and, at the same time, steel frame materials 13 fixing the exterior facing members 101 are fitted to an internal corner joint 14 formed by having a gap B in a corner section from a direction dividing an interior angle of an approximately right angle in two equal parts. In that case, a shape is bilateral symmetry with the fitting direction as the center, symmetrical seal lips 15 and 16 elastically contacted to an upper notched surface 101a of the exterior facing member 101 and the side 101b are formed on both sides of the rear end, and a bilaterally symmetrical hollow seal section 18 elastically contacted to the gap B between steel frame materials 13 and seal lip parts 19 are formed in the front end.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gasket for a corner joint, which is formed by combining exterior wall panels for a house, and is particularly fitted along a joint space at a corner.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 7, a general exterior wall panel 100 having a general exterior material 101 attached thereto and a special exterior wall panel 200 having a special exterior material 201 attached thereto are provided at the corner of a house. Are arranged at a substantially right angle with a predetermined interval M, so that the corner joint 300 is formed. Gaskets 400 and 2 each having a primary seal color material 401 attached to the head thereof are formed in the corner joint 300.
A backer 500 for the next seal is fitted. The gasket 400 is of a cover joint type and has a plurality of seal lip portions 400a and 400b, 400c and 40 wider on both sides thereof than the paired corner joint width M.
Od is formed, and when the gasket 400 is fitted, the seal lip is curved and elastically contacts the side surface of the corner joint 300, thereby preventing rainwater from entering the house.

[0003]

However, as shown in FIG. 8, a general outer wall material 101 has both sides inclined and notched by about 5 mm in S and about 5 mm in depth R. In contrast to those that are usually used even in areas other than the corners, the special exterior material 201 is a general exterior material 1
The depth of the notch is longer than L (the numerical value varies depending on the depth of the joint to be set) and is used exclusively for the corner. Therefore, the exterior material 20 dedicated to the corner is used.
1 has a problem that the cost is high. In addition, since it is necessary to design the exterior material 201 dedicated to the corner in accordance with the depth of the joint to be set, there is a problem that it takes much time and effort.

Accordingly, an object of the present invention is to solve the above-mentioned problems, and there is no need to perform laborious work such as designing an exterior material dedicated to the inside corner portion, and the gasket for the inside corner joint does not require the cost of the exterior material. Is to provide.

It is another object of the present invention to provide a gasket for a corner joint which can ensure watertightness even if the joint width of the corner joint varies.

[0006]

In order to achieve the above-mentioned object, a gasket (10) for a corner joint according to the present invention comprises two housing exterior materials (101) substantially spaced at a predetermined interval (A). A steel material (13) for fixing the exterior material (101) is arranged at a right angle, and a substantially right-angled inner angle is set to 2 or the like at an insertion corner joint (14) formed by providing a gap (B) in a corner portion. A gasket (10) for a corner joint to be inserted from a separating direction (X direction), characterized in that the shape is bilaterally symmetrical about the insertion direction (claim 1).

Also, the side portion (101) of the exterior material (101)
Preferably, left and right symmetrical seal lip portions (15, 16) elastically contacting a, 101b) are formed on both side surfaces of the rear end portion (claim 2).

Further, it is preferable that a symmetrical hollow seal portion (18) and / or a seal lip portion (19) elastically contacting the gap (B) of the steel frame portion (13) is formed at the distal end portion. ).

Preferably, a symmetrical concave portion (31) is formed at the center of the rear end, and a small symmetrical small gasket (32) is fitted into the concave portion (31) along the fitting direction. Item 4).

Further, the gasket (4)
0) are two housing exterior materials (101) arranged at a substantially right angle at a predetermined interval (A), and the exterior materials (10).
1) A gasket (40) for a corner joint which is attached to a steel frame (13) for fixing the same and has a concave portion (43) formed at the center of the rear end portion, and has a substantially right angle. The small gasket (32), which is symmetrical about the direction which bisects the inner angle of the gasket, is fitted into the recess (43) along the direction. 5).

The symbols in parentheses indicate the corresponding elements or items in the embodiment of the invention shown in the drawings and described later.

According to the gasket for a corner joint according to the present invention,
Since the shape is symmetrical about the fitting direction, two commonly used exterior materials having the same shape can be combined at substantially right angles and similarly symmetrically.

[0013] Also, since symmetrical seal lip portions are preferably formed on both side surfaces of the rear end portion, which are elastically in contact with the side portions of the outer wall material, a primary seal is provided by fitting a gasket for a corner joint. Further, since a left-right symmetric hollow seal portion and / or a seal lip portion elastically contacting the gap of the steel frame portion are formed at the distal end portion, a secondary seal is performed. Further, preferably, a symmetrical concave portion is formed at the center of the rear end portion, and when a small symmetrical gasket is fitted into the concave portion along the fitting direction, the rear end portion expands, so that the elastic contact force of the seal lip portion is reduced. Increase. In addition, after fitting the whole of the gasket for the corner joint with the recess formed between the two housing materials arranged at substantially right angles, the small gasket was fitted into the recess, or the recess was formed. The gaskets for the corner joints are pre-installed between two housing exterior materials arranged at substantially right angles and a steel frame material for fixing the exterior materials, and then the small gaskets are fitted into the recesses. You may. In particular, in the latter case, it is only necessary to insert a small gasket on site, so that the operation is simplified.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION

(First Embodiment) A gasket for a corner joint according to a first embodiment of the present invention will be described with reference to the drawings. The same parts as those in the conventional example are denoted by the same reference numerals. FIG. 1 is a cross-sectional view showing a seal by a gasket 10 for a corner joint according to the first embodiment.

A gasket 10 for a corner joint according to a first embodiment of the present invention includes two exterior materials 101 and 101 for a house.
Are arranged at a substantially right angle with a predetermined interval A, and a steel frame material 13 for fixing the exterior materials 101, 101 via the channel material 11 and the fixing plate plate 12 is provided with a gap B at a corner portion. It is inserted into the entry corner joint 14 from the outdoor side, which is a direction (X direction) that bisects a substantially right interior angle, and its shape is symmetrical about the insertion direction, that is, the dashed line shown in FIG. It is. Thus, unlike the combination of the exterior materials 101 and 201 shown in the conventional example, two commonly used exterior materials 101 and 101 having the same shape as shown in FIG. be able to.

On both sides of the rear end portion of the corner joint gasket 10, a symmetrical seal lip portion which resiliently comes into contact with a side portion of the exterior member 101 by fitting the corner joint gasket 10, that is, the exterior member 101 Upper cutout surface 101a
Seal lip portions 15 and 15 which are in elastic contact with
-Shaped seal lip portion 1 elastically contacting the side surface 101b
6, 16 are formed. These seal lip portions 1
The primary seal is performed by 5, 15, 16, and 16. A color material 17 that matches the color of the exterior material 101 is attached to the outer surface of the rear end.

Further, the distal end of the gasket 10 for the corner joint is inserted into the gap B of the steel frame portion 13 and resiliently contacts. The seal lip portions 19, 19, which have the same shape and are symmetrical with each other, are formed on both sides of the root of the hollow seal portion 18. With these hollow seal portions 18 and seal lip portions 19, 19,
A secondary seal is being performed. It should be noted that there is a sealing effect even if only the hollow seal portion 18 or only the seal lip portions 19, 19 are elastically contacted with the steel frame material 13, but the effect is greater if both are elastically contacted at the same time. 2 (in the case where the joint width is narrower than the joint width A shown in FIG. 1) by making the entirety of the gasket 10 for a corner joint into a hollow shape and the seal portion 18 also into a hollow shape. As shown in FIG. 3 (when the joint width is larger than the joint width A shown in FIG. 1), the sealability is ensured by absorbing the variation of the corner joint 14.

The color material 17 is made of a material having excellent weather resistance and coloring properties such as CPE (chlorinated polyethylene) and CSM (chlorosulfonated polyethylene). The entire corner joint gasket 10 is made of a weather-resistant material such as EPDM. It is made of a material having excellent heat resistance. Note that TPE (thermoplastic elastomer) may be used instead of CPE, CSM, and / or EPDM.

(Second Embodiment) A gasket for a corner joint according to a second embodiment of the present invention will be described with reference to the drawings. The same parts as those described in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
FIG. 4 shows a gasket 2 for a corner joint according to a second embodiment.
FIG. 7 is a cross-sectional view showing a seal according to FIG.

The corner joint gasket 20 according to the second embodiment of the present invention is similar to the corner joint gasket 10 according to the first embodiment. 101 is a gasket 20 for a corner joint which is disposed at a substantially right angle at a predetermined interval A and which is inserted from a direction which bisects the inner angle of the substantially right angle, and whose shape is bilaterally symmetric about the insertion direction. On both sides of the rear end
A left-right symmetrical seal lip portion elastically contacting a side portion of the exterior material 101 by fitting the gasket 20 for an inner corner joint for the next seal, that is, an upper cutout surface 101a of the exterior material 101
Lip portions 25, 25 elastically contacting the
-Shaped seal lip portion 2 elastically contacting the side surface 101b
6, 26 are formed. Further, a color material 27 that matches the color of the exterior material 101 is attached to the outer surface of the rear end. Further, a hollow seal portion 28 for a secondary seal, which is symmetrical with respect to the direction which bisects the inside angle of the substantially right angle into the gap B of the steel frame portion 13 and which is bilaterally symmetrical with respect to the direction of bisecting the inside angle, is used. Are formed on both sides of the base portion, and seal lip portions 29, 29 having the same shape in the left-right direction, which are in elastic contact with the steel frame material 13, are formed. It should be noted that a hollow portion 3 is provided at a substantially central portion as a hollow portion for reducing the volume.
0 is formed.

Particularly, in the corner joint gasket 20, a symmetrical concave portion 31 is formed at the center of the rear end thereof, and the concave corner joint gasket 2 is formed in the concave portion 31.
A small gasket 32 symmetrical in the left-right direction is fitted along the same direction as the fitting direction of 0. In addition, the concave portion 3
1 has step portions 31a, 31b, 31c, 31d fitted on seal lip portions 32a, 32b, 32c, 32d formed on both side surfaces of the small gasket 32 so as to prevent the small gasket 32 from falling off easily after being fitted. Is formed. When the small gasket 32 is fitted into the recess 31, the rear end of the gasket 20 for the corner joint is expanded, so that the elastic contact force of the seal lip portions 25, 25, 26, 26 with the two exterior materials 101, 101 is reduced. Increase. Therefore,
Water tightness can be ensured even if the corners 14 vary.

(Third Embodiment) A gasket for a corner joint according to a third embodiment of the present invention will be described with reference to the drawings. The same parts as those described in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
FIG. 5 shows a gasket 4 for a corner joint according to a third embodiment.
FIG. 7 is a cross-sectional view showing a seal according to FIG.

The corner joint gasket 40 according to the third embodiment of the present invention has two substantially perpendicularly spaced corners A, similarly to the corner joint gasket 10 according to the first embodiment. It is attached between a housing exterior material 101, 101 and a steel frame material 13 for fixing the exterior material 101, 101 via a channel material 11 and a fixing plate plate 12, and is specifically inserted. A part 41 is inserted between the channel material 11 and the fixed plate 12. Further, the shape is symmetrical about the direction that bisects the substantially right interior angle. Further, a butyl-based adhesive tape 42 is adhered to the side surface 101b of the exterior material 101, so that the corner joint gasket 40 is securely fixed.

The seal lip portions 32a, 32b, 32c,
32d fitting step 43a, 43b, 43c, 43d
A recess 43 with a groove is formed, and a small symmetrical small gasket 32 (same as that shown in the second embodiment) can be fitted into the recess 43. A color material 44 matched to the color of the exterior material 101 is attached to the outer surface of the rear end, and seal lip portions 45 and 46, which are elastically contacted at the center with each other, are provided at the front end with a steel frame. Part 13
Lip part 47 which is also symmetrical in shape
Are formed. As a result, the primary sealing is performed by the seal lips 32a, 32b, 32c, and 32d of the small gasket 32, and the seal lip portions 45 and 46 of the corner joint gasket 40 are elastically contacted with each other to perform the secondary sealing, thereby ensuring watertightness. Nature can be secured.

Although the small gasket 32 to be fitted is of a covering joint type, a small gasket 62 of a bottom joint type as shown in FIG. 6 may be used. FIG.
Alternatively, a gasket 50 for a corner joint may be used in which the seal lip portions 45 and 46 shown in FIG.

[0026]

As described above, according to the gasket for corner joint according to the present invention, two commonly used exterior materials having the same shape are assembled symmetrically at right angles to each other without using a dedicated exterior material. Because they can be combined, they are not bothersome and costly.

Also, a primary seal is provided by a seal lip portion elastically contacting a side portion of the exterior material, and a secondary seal is provided by a hollow seal portion and / or a seal lip portion elastically contacting a gap in a steel frame portion. , Water tightness is high. In addition, when a small gasket is fitted into the recess formed in the center of the rear end, the rear end expands and the elastic contact force of the seal lip increases, so that even if there is a variation in the width of the joint corner, the water tightness is reduced. Can be ensured.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a seal by a gasket 10 for a corner joint according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a seal by a gasket 10 for a corner joint when the joint width is smaller than the joint width A shown in FIG.

FIG. 3 is a cross-sectional view showing a seal provided by a gasket for corner joints when the joint width is larger than the joint width A shown in FIG. 1;

FIG. 4 is a cross-sectional view showing a seal by a gasket for corner joint 20 according to a second embodiment of the present invention.

FIG. 5 is a cross-sectional view showing a seal by a gasket for corner joint 40 according to a third embodiment of the present invention.

FIG. 6 is a cross-sectional view showing a seal by another gasket 50 for a corner joint according to a third embodiment of the present invention.

FIG. 7 shows a gasket 40 of a corner joint 300 shown in a conventional example.
FIG. 5 is a cross-sectional view showing a seal by a backer and a backer.

8 is a side view of the general exterior material 101 shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Gasket for corner joint 11 Channel material 12 Fixing plate 13 Steel frame 14 Corner joint 15 and 16 Seal lip 17 Color material 18 Hollow seal 19 Seal lip 20 Gasket for corner joint 25 and 26 Seal lip 27 Color material 28 Hollow seal portion 29 Seal lip portion 30 Hollow shape portion 31 Concave portion 32 Small gasket 40 Gasket for corner joint 41 Insertion portion 42 Adhesive tape 43 Concave portion 44 Color material 45, 46 Seal lip portion 47 Seal lip portion 50 Corner joint Gasket 55 Hollow seal part 62 Small gasket 100 General exterior wall panel 101 General exterior material 200 Special exterior wall panel 201 Special exterior material 300 Corner joint 400 Gasket 401 Color material 500 Backer

Claims (5)

[Claims] The present invention is characterized in that two housing exterior materials are arranged at a substantially right angle at a predetermined interval, and a steel frame material for fixing the exterior materials is provided at a corner joint formed by providing a gap in a corner portion. What is claimed is: 1. A gasket for a corner joint, which is fitted from a direction which divides a substantially right inner angle into two equal parts, wherein the shape of the gasket for a corner joint is bilaterally symmetric about the fitting direction. 2. The gasket for a corner joint according to claim 1, wherein left and right symmetrical seal lip portions elastically contacting the side portions of the exterior material are formed on both side surfaces of the rear end portion. 3. The jointed corner joint according to claim 1, wherein a left-right symmetric hollow seal portion and / or a seal lip portion elastically contacting the gap of the steel frame portion are formed at a distal end portion. Gasket. 4. A left-right symmetric concave portion is formed in the center of the rear end portion, and a small-size symmetrical gasket is fitted into the concave portion along the fitting direction. The gasket for a corner joint according to any one of the above. 5. A housing is mounted between two housing exterior materials arranged at a right angle at a predetermined interval and a steel frame material for fixing the exterior materials, and a concave portion is provided at a central portion of a rear end portion. A formed gasket for a corner joint, wherein the small-sized gasket is bilaterally symmetric about a direction bisecting the substantially right-angled interior angle, and the bilaterally symmetric small gasket is fitted in the recess along the direction. A gasket for a corner joint.