JPH0932130A - Standard gasket - Google Patents

Abstract

(57) [Abstract] [Problem] To reduce the number of parts and the assembly man-hours. SOLUTION: A primary gasket part 2 arranged on the outdoor side
2, the secondary gasket portion 24 arranged on the indoor side, the primary gasket portion 22 and the secondary gasket portion 24.
The fixed-shape gasket 18 is formed by integrally molding the base portion 20 supporting the. For this reason,
Since the above three are established as an integrated component and one part,
The number of parts can be reduced as compared with the case where the three members are formed separately. In particular, the frame material conventionally required becomes unnecessary. Therefore, the number of assembling work steps can be reduced, and the cost reduction can be achieved by the reduction of the number of parts and the assembling work number.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixed gasket provided in the vicinity of joint-side ends of adjacent outer wall members in a house in a pressure-contact state to seal the joints.

[0002]

2. Description of the Related Art Conventionally, a dry type fixed gasket is arranged at a joint between adjacent outer wall panels to prevent rainwater from entering the living space. An example of this type of structure is disclosed in Japanese Patent Laid-Open No. 6-26117, and will be briefly described below.

As shown in the horizontal sectional view of FIG. 7, a vertical frame 152 having a rectangular cross section is arranged on the back surface of the outer wall panel 150 arranged adjacent to each other. On the facing surfaces of these vertical frames 152, a board 156A fixed to the vertical frame 152 by screws 154 and a pair of holding members projecting in opposite directions from both ends in the width direction of the board 156A and having a substantially U-shaped cross section. Part 156
A frame member 156 including B and 156C is arranged. A predetermined space is provided between the holding portion 156B arranged on the outdoor side and the holding portion 156C arranged on the indoor side, and forms a space portion 158. Further, a recess is formed in the holding portion 156B arranged on the outdoor side, and the sealing material 16 is provided between the recess and the back surface of the outer wall panel 150.
0 is provided. Further, in the vicinity of the outdoor side holding portion 156B of the frame member 156, the air inflow holes 162, 16 are provided.
3 are formed respectively.

A primary gasket 164 is fitted to the outdoor holding portion 156B, and a secondary gasket 166 is fitted to the indoor holding portion 156C.
The primary gasket 164 is composed of a base portion 164A fitted to the outdoor side holding portion 156B, and a lip portion 164B integrally formed in a hollow shape from the base portion 164A. Similarly, the secondary gasket 166 includes a base portion 166A fitted into the holding portion 156C on the indoor side and a lip portion 16 integrally formed from the base portion 166A in a hollow shape.
6B and. Note that both the primary gasket 164 and the secondary gasket 166 are made of rubber. Then, the lip portions 164B of the primary gasket 164 facing each other and the secondary gasket 16 are opposed to each other.
The six lip portions 166B are elastically pressed against each other to form a primary seal and a secondary seal.

[0005]

However, in the case of the configuration disclosed in the above publication, the primary gasket 16 is used.
4. Since the secondary gasket 166 and the frame member 156 need to be manufactured separately and assembled respectively, there is a problem that the number of parts and the number of assembling work steps increase. It should be noted that an increase in the number of parts and the number of assembly work steps leads to an increase in cost.

In consideration of the above facts, an object of the present invention is to obtain a fixed gasket which can reduce the number of parts and the number of assembling steps.

[0007]

The present invention according to claim 1 is a fixed gasket which is provided in the vicinity of each joint side end portion of adjacent outer wall materials in a house in a pressure contact state and seals the joints. A primary gasket part arranged on the outside,
It has a secondary gasket portion arranged on the indoor side, and a base portion that supports the primary gasket portion and the secondary gasket portion and that is integrally molded with the primary gasket portion and the secondary gasket portion. I am trying.

According to a second aspect of the present invention, in the first aspect of the invention, a protective portion is provided on the outdoor side of the primary gasket portion so as to conceal the primary gasket portion from the joint side. I am trying.

According to a third aspect of the present invention, in the second aspect of the invention, the protective portion is provided with the primary gasket portion,
Integrally molded with the secondary gasket part and the base part,
It is characterized by:

According to a fourth aspect of the present invention, in the third aspect of the invention, the protective portion is made of a fireproof material.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the base portion is a base portion attached near the joint side end portion of the outer wall material, and the base portion. A pair of supporting portions that respectively project from the both widthwise end portions and respectively support the primary gasket portion and the secondary gasket portion, and the projecting side end surface in at least one of the pair of supporting portions. Is inclined at a predetermined angle in a direction intersecting with the base.

According to the first aspect of the present invention, the fixed gasket has a primary gasket portion arranged on the outdoor side, a secondary gasket portion arranged on the indoor side, and the primary gasket portion and the secondary gasket portion. The base gasket and the base portion that are integrally molded together with the primary gasket portion and the secondary gasket portion, the three parts of the primary gasket portion, the secondary gasket portion, and the base portion are an integral component and one component. Is established as.

According to the second aspect of the present invention, first aspect is provided.
In the invention described above, the outdoor side of the primary gasket portion is provided with a protective portion that hides the primary gasket portion when viewed from the joint side, so direct sunlight (ultraviolet rays) to the primary gasket portion is provided.
Is blocked by the protection. Further, for the same reason, the primary gasket portion of the fixed gasket is not exposed on the joint side.

According to the third aspect of the present invention, a second aspect is provided.
In the invention described, since the protection part is integrally molded with the primary gasket part, the secondary gasket part, and the base part, the primary gasket part, the secondary gasket part, the base part,
And the four parts of the protection part are formed as an integrated component and one part. In addition, the dimensional accuracy of the protective portion is relaxed as compared with the case where the protective portion is configured as a separate component, and positioning work for the protective portion is unnecessary.

According to the present invention of claim 4, claim 3
In the invention described, since the protective portion is made of a fireproof material, the protective portion has a function of preventing deterioration of the primary gasket portion and the like,
In addition to the appearance quality improvement function, a fire prevention function is added.

According to the present invention of claim 5, claim 1
In the invention according to any one of claims 4 to 4, since the protruding side end surface of at least one of the pair of support portions of the base portion is inclined at a predetermined angle in a direction intersecting the base portion of the base portion, the primary gasket portion Alternatively, the secondary gasket portion, or both, are likely to be elastically deformed and easily fit in.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION

[First Embodiment] The first embodiment will be described below with reference to FIGS. 1 and 2. The first embodiment corresponds to an embodiment of the present invention described in claims 1 and 5.

FIG. 2 shows a horizontal sectional view of an outer wall joint structure of a unit house. As shown in this figure,
Vertical frames 12 are attached to the back surfaces of the outer wall panel 10 at both ends in the width direction. The outer wall panel 10 is
The vertical frame 12 is used to assemble the units 14 and 16 constituting the unit house to the outdoor surface.

A fixed gasket 18 having a predetermined shape is attached to each opposing surface of the adjacent vertical frames 12. Hereinafter, the structure of the fixed gasket 18 will be described in detail.

As shown in FIG. 1, the fixed gasket 1
8 is a base portion 20 attached to the vertical frame 12.
And a primary gasket portion 22 provided at the outdoor end of the base portion 20 and a secondary gasket portion 24 provided at the indoor end portion of the base portion 20. Hereinafter, description will be made in this order.

The base portion 20 is a plate-shaped base portion 20A attached to the vertical frame 12 by attaching means such as screws.
And the vertical frame 12 from the outdoor end of the base 20A.
The first support portion 20B having a substantially rectangular frame shape that is projected to the opposite side
And a substantially rectangular frame-shaped second support portion 20C protruding from the indoor end of the base portion 20A to the side opposite to the vertical frame 12. A step portion is formed on the surface of the first support portion 20B on the outdoor side, and a sealing material 26 is disposed between the step portion and the back surface of the outer wall panel 10. Further, the protruding side end surface 20C 'of the second support portion 20C is
It is inclined by an angle θ in a direction intersecting with the base portion 20A.

The primary gasket portion 22 has an annular shape and integrally projects from the first support portion 20B to the side opposite to the vertical frame 12. In addition, the primary gasket portion 22
Is an arc-shaped pressure contact portion 22A and this pressure contact portion 22A.
It is constituted by a support portion 22B which is provided on the opposite side of the pressure contact portion 22A continuously with A. In addition, the primary gasket portion 22 has a predetermined angle (about 45 mm) with respect to the base portion 20.
It is inclined only to the inner wall side (indoor side). The primary gasket portion 22 mainly functions as a rain barrier.

The secondary gasket portion 24 has an annular shape larger than that of the primary gasket portion 22, and the second support portion 20 is provided.
It is integrally projected from C to the side opposite to the vertical frame 12. The secondary gasket portion 24 also has a bow-shaped pressure contact portion 24A and the pressure contact portion 24 that is continuous with the pressure contact portion 24A.
It is comprised by the support part 24B provided in the opposite side to A. Further, the primary gasket portion 22 is arranged at a predetermined angle (about 45 degrees) with respect to the base portion 20 to form the outer wall panel 10.
It is inclined to the side (outdoor side). That is, the primary gasket portion 22 and the secondary gasket portion 24 are inclined by a predetermined angle in the direction toward each other. The secondary gasket portion 24 mainly functions as a wind barrier.

The primary gasket portion 22 and the secondary gasket portion 24 described above are integrally formed with the base portion 20. Hereinafter, the material will be described more specifically. Primary gasket part 22 and secondary gasket part 24
Is made of a soft elastic material (sponge rubber, soft solid rubber, etc.). On the other hand, the base portion 2
0 is formed of an elastic material (solid rubber or the like) that is harder than the primary gasket portion 22 and the secondary gasket portion 24. These are integrally formed by a method such as multi-layer extrusion molding.

Next, the operation and effect of this embodiment will be described. First, one unit 14 is installed on the foundation or on the upper end surface of the first floor. In this state, the fixed gasket 18 on the unit 14 side is in the state shown in FIG. Next, the other unit 16 is installed on the foundation or on the upper surface of the first floor so as to be adjacent to the previously installed unit 14. At this time, the pressure contact portions 22A of the primary gasket portion 22 and the pressure contact portions 24A of the secondary gasket portion 24, which are attached to both units 14 and 16 in advance in the factory, are pressure contacted. As a result, at the same time as the installation of the unit 16
2 and the joint of the secondary gasket portion 24 is sealed.

Here, in this embodiment, the primary gasket portion 22 arranged on the outdoor side, the secondary gasket portion 24 arranged on the indoor side, and the primary gasket portion 22 and the secondary gasket portion 24 are supported. The base portion 20 and the base portion 20 are formed by integral molding, so that the above three members are formed as an integral component and one component. Therefore, the number of parts can be reduced as compared with the case where the three members are formed separately. In particular, the frame material conventionally required becomes unnecessary. Therefore, the number of assembling work steps can be reduced, and the cost reduction can be achieved by the reduction of the number of parts and the assembling work number.

Further, when the three members are formed separately and independently, the joint portion of each component is apt to be defective in waterproofing. However, according to the present embodiment, the three members are constituted by one component, so that the waterproof performance is improved. Can be improved.

Further, according to this embodiment, since the base portion 20 of the fixed gasket 18 is made of a relatively hard elastic material (solid rubber or the like), the degree of adhesion between the two can be increased. Therefore, the fixed gasket 18
The waterproof performance of the outer wall panel 10 can be improved.

Further, according to the present embodiment, the base portion 20
Since the protruding end surface 20C ′ of the second support portion 20C in the above is tilted by the angle θ in the direction intersecting the base portion 20A, the secondary gasket portion 2 is pressed when the fixed gaskets 18 are pressure-welded to each other.
4 is easily elastically deformed and becomes easy to fit in. For this reason,
The followability of the secondary gasket portion 24 during pressure contact can be improved.

In this embodiment, the second supporting portion 20C is used.
Although only the protruding side end surface 20C ′ of the first supporting portion 20B is inclined by the angle θ in the direction intersecting the base portion 20A, the present invention is not limited to this. You may make it incline only by (theta). [Second Embodiment] Next, a second embodiment will be described with reference to FIGS. 3 and 4. In addition, about the component substantially same as 1st Embodiment, the same number is attached | subjected and the description is abbreviate | omitted. Further, this second embodiment corresponds to an embodiment of the present invention described in claim 2.

As shown in these figures, the present embodiment is characterized in that the protective fin 30 is attached to the outdoor side of the primary gasket portion 22 of the fixed gasket 18.

The protective fin 30 has a flat base 30A,
The fin portion 30B is formed by projecting from the end of the base portion 30A on the outdoor side in an arc surface shape. Adhesive means such as a double-sided tape 32 is provided on the back surface of the base portion 30A.
It is glued to the joint side end. Therefore, the protection fin 30
The fin portion 30B is elastically deformable toward the base portion 30A around the outdoor end of the base portion 30A.

The protective fin 30 is made of a soft elastic material (sponge rubber, soft solid rubber, etc.).

According to the above configuration, since the protective fin 30 is provided on the outdoor side of the primary gasket portion 22 of the fixed gasket 18, direct sunlight (ultraviolet rays) to the primary gasket portion 22 is blocked by the protective fin 30. Therefore, deterioration of the primary gasket portion 22 and the like can be prevented, and durability can be improved.

For the same reason, the fixed gasket 1
In particular, since the primary gasket portion 22 of No. 8 is not exposed on the joint side, the appearance quality of the joint can be improved. Further, from the viewpoint of appearance quality, since the surface of the fin portion 30B of the protection fin 30 does not require smoothness in waterproofing, an embossed pattern or the like having a highly designed surface finish can be obtained. [Third Embodiment] Next, a third embodiment will be described with reference to FIGS. In addition, about the component substantially same as 1st Embodiment, the same number is attached | subjected and the description is abbreviate | omitted. The third embodiment corresponds to an embodiment of the present invention described in claim 3.

As shown in these figures, the present embodiment is characterized in that the protective fin 40 having the above-mentioned function is formed integrally with the base portion 20 of the fixed gasket 18.

More specifically, the projecting end of the first support portion 20B of the base portion 20 is further extended to the outdoor side, and this extended portion serves as the base portion 40A of the protective fin 40. A fin 40B extends from the outdoor end of the base 40A.

According to the above construction, the protection fin 40 can improve the durability of the primary gasket portion 22 and the like and the appearance quality of the joint as described above, and the primary gasket portion 22, the secondary gasket portion 24, Since the protection fin 40 is integrally molded with the base portion 20, the primary gasket portion 22, the secondary gasket portion 24, the base portion 20,
The four protection fins 40 are formed as an integrated component and one part. Therefore, even if the protective fin 40 is provided, the number of parts and the number of assembly work steps do not increase.

Further, according to this embodiment, the protection fin 40
As compared with a case where the protective fin 40 is configured as a separate component, the assembling dimensional accuracy of the protective fin 40 can be relaxed. That is, in the case of the second embodiment, as can be seen from FIG.
It is difficult to secure a sufficient space between the primary gasket portion 22 and the primary gasket portion 22. For this reason, the protective fin 30 or the primary gasket portion 22 is required to have strict assembly dimensional accuracy. But,
According to this embodiment, since the protection fin 40 is formed integrally with the primary gasket portion 22 and the like, high assembly dimensional accuracy can be easily ensured. Therefore, as described above, the assembling dimensional accuracy can be relaxed. Furthermore, according to the present embodiment, the work of positioning the protective fin 40 can be eliminated.

If the fins 30B of the protection fin 30 in the second embodiment and the fins 40B of the protection fin 40 in the third embodiment are made of a fireproof material, the fire resistance of the joint will be improved. Can be improved.
This configuration corresponds to an embodiment of the present invention according to claim 4.

[0041]

As described above, the fixed gasket according to the present invention as set forth in claim 1 has a primary gasket portion arranged on the outdoor side, a secondary gasket portion arranged on the indoor side, and a primary gasket portion thereof. Since it has a base part that supports the gasket part and the secondary gasket part and that is integrally molded with the primary gasket part and the secondary gasket part, it is excellent in that it is possible to reduce the number of parts and the number of assembly work steps. Have an effect.

According to the second aspect of the present invention, in the fixed gasket according to the first aspect of the present invention, a protective portion is provided on the outdoor side of the primary gasket portion so as to conceal the primary gasket portion from the joint side. In addition, it has an excellent effect that the deterioration of the primary gasket portion and the like can be prevented, the durability can be enhanced, and the appearance quality of the joint can be improved.

According to the third aspect of the present invention, in the fixed gasket according to the second aspect of the present invention, since the protective portion is integrally formed with the primary gasket portion, the secondary gasket portion and the base portion, the protective portion is provided. However, it has an excellent effect that the number of parts and the number of assembly work steps do not increase.

Further, according to the present invention, the assembling dimensional accuracy of the protective portion can be relaxed and positioning work of the protective portion can be eliminated as compared with the case where the protective portion is formed by a separate component. It also has the excellent effect.

According to the fourth aspect of the present invention, in the third aspect of the present invention, since the protective portion is made of a fireproof material in the third aspect of the invention, the primary gasket portion is originally prevented from deterioration and the appearance quality is improved. The protective portion provided therefor can also be used for fire prevention, and has an excellent effect that the fire resistance performance of the joint portion can be improved.

According to a fifth aspect of the present invention, in the fixed gasket according to any one of the first to fourth aspects, at least one of the pair of supporting portions of the base portion has a projecting side end surface, Since the base portion is inclined at a predetermined angle in the direction intersecting with the base portion, there is an excellent effect that it is possible to improve the followability when the primary gasket portion or the secondary gasket portion, or both are pressure-welded.

[Brief description of drawings]

FIG. 1 is a horizontal sectional view showing a fixed gasket according to a first embodiment in a state before assembly.

FIG. 2 is a horizontal sectional view showing the fixed gasket shown in FIG. 1 in an assembled state.

FIG. 3 is a horizontal cross-sectional view showing a fixed gasket according to a second embodiment before being assembled.

FIG. 4 is a horizontal sectional view showing the fixed gasket shown in FIG. 3 in a state after assembling.

FIG. 5 is a horizontal sectional view showing a fixed gasket according to a third embodiment in a state before being assembled.

6 is a horizontal cross-sectional view showing the fixed gasket shown in FIG. 5 after assembling.

FIG. 7 is a horizontal sectional view showing the structure of a regular gasket according to a conventional example.

[Explanation of symbols]

 10 outer wall panel (outer wall material) 18 fixed gasket 20 base portion 20A base portion 20B first support portion 20C second support portion 20C 'protruding side end face 22 primary gasket portion 24 secondary gasket portion 30 protective fin (protective portion) 40 protective fin ( (Protection part)

Claims (5)

[Claims] 1. A fixed gasket provided in the vicinity of each joint side end of adjacent outer wall materials in a house in a pressure contact state to seal the joint, the primary gasket portion being arranged on the outdoor side and the primary gasket portion being arranged on the indoor side. A fixed form characterized in that it has a secondary gasket part to be arranged, and a base part that supports these primary gasket part and secondary gasket part and that is integrally molded with the primary gasket part and the secondary gasket part. gasket. 2. The fixed gasket according to claim 1, further comprising a protective portion on the outdoor side of the primary gasket portion, the protective portion concealing the primary gasket portion when viewed from the joint side. 3. The primary gasket portion, the protective portion,
The fixed gasket according to claim 2, which is integrally formed with the secondary gasket portion and the base portion. 4. The fixed gasket according to claim 3, wherein the protection portion is made of a fireproof material. 5. The base portion is attached to the joint portion of the outer wall material in the vicinity of a joint-side end portion thereof, and is protruded from both widthwise end portions of the base portion to support the primary gasket portion and the secondary gasket portion, respectively. A pair of supporting portions is included, and a projecting side end surface of at least one of the pair of supporting portions is inclined at a predetermined angle in a direction intersecting with the base portion. The fixed gasket according to claim 4.