JPH0650003B2 - Joint structure - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a joint structure, and more particularly to a technique for using a sealing material to attach a joint main body while omitting a troublesome filling operation of the sealing material. It is related.

[Prior Art] Conventionally, the joint structure that seals with a sealing material is the first
As shown in FIG. 2, the joint groove 1 between the exterior materials 7 and 7 such as a building board is filled with the sealing material 4, and then the joint body 3 is pressed into the joint groove 1 from above the sealing material 4. there were.

[Problems to be Solved by the Invention] However, in the structure in which the sealing material 4 is filled in the joint groove 1 and the joint body 3 is press-fitted from above the sealing material 4 as described above, the filling of the sealing material 4 is performed. At this time, the filling work for preventing the sealing material 4 from protruding from the joint groove 1 is troublesome, and the sealing material 4 overflows to the surface side of the joint main body 3 depending on how to push the joint main body 3, and the protruding portion a is removed. If it becomes troublesome and the appearance also deteriorates, and if there is a void b inside, this void b
There was a problem in that if rainwater or the like entered, it would not come out and the sealability would be impaired.

The present invention has been made in view of such problems,
It is an object of the present invention to provide a joint structure in which, while using the sealing material, the filling work of the sealing material into the joint groove can be omitted and a reliable sealing property can be obtained and the finishability can be improved.

[Means for Solving the Problem] The joint structure according to the present invention has a receiving member 2 loaded in the inner part of the joint groove 1.
And a joint body 3 that is fitted to the receiving member 2 in a concavo-convex manner, and a concave portion 5 that fills and holds the sealing material 4 is formed on one side and a convex portion 6 that is fitted into the concave portion 5 and overflows the sealing material 4 is formed.
And the sealing material 4 in the recess 5 is fitted into the joint groove 1 by fitting the receiving material 2 loaded in the joint groove 1 and the joint body 3 in a concave-convex manner.
It is characterized in that it reaches the side wall 1a.

[Operation] As described above, the receiving material 2 and the receiving material 2 loaded in the interior of the joint groove 1
The recess 5 for filling and holding the sealing material 4 is formed on either one of the joint main body 3 to be fitted in the concave and convex portions, and the sealing material 4 is held in the recess 5 so that the sealing material 4 is preliminarily recessed in the recess 5 The sealing material 4 can be omitted by omitting the filling work for filling the joint groove 1 with the sealing material 4 at the construction site.
The trouble caused by the defective filling of the joint is avoided, and the receiving material 2 and the joint main body 4 loaded in the joint groove 1 are provided with the recess 5 and the protrusion 6.
The position and posture of the joint main body 3 are fixed by fitting the concave and convex portions together, and the depth of pushing the joint main body 3 into the joint groove 1 and its posture are determined while the sealant 4 is used for sealing. The sealing material 4 aligned in a predetermined manner to improve its finish and overflowed from the recess 5 by the concave-convex fitting of the joint body 3 and the receiving material 2 with the sealing material 4 filled in the recess 5 By reaching the side wall 1a, a cavity is not created between the receiving material 2 and the joint body 3, and the sealing property is also improved.

Embodiments Embodiments of the present invention will be described in detail below with reference to the drawings.

The joint body 3 is made of flexible rubber or synthetic resin and is extruded, and as shown in FIG. 2, a hollow portion 8 is formed over the entire length and is wider on the back side than the inlet portion 9 thereof. The recess 5 is formed over the entire length. The recess 5 is filled with a pasty sealing material 4 containing rubber, synthetic resin or the like as a main component. The sealing material 4 loaded in the recess 5 does not flow out in a natural state.
A groove 10 is formed on the side end surface of the joint body 3 over the entire length. The receiving member 2 is also made of a flexible rubber or synthetic resin and is extruded, and as shown in FIG. 3, a pair of left and right elastic fin pieces 11, 11 are formed at a vertical interval. Then, the receiving member 2 is formed with a convex portion 6 which is fitted into the concave portion 5.

Then, as shown in FIG. 1, the receiving member 2 is inserted into the joint groove 1 between the exterior materials 7 and 7 attached to the base material (not shown), and the elastic fin piece 11 is attached to the side wall of the joint groove 1. Elastically contact 1a.
The joint body 3 having the recess 5 filled with the sealing material 4
Insert into the joint groove 1 from above the receiving material 2 and make the recess 5
Is fitted to the convex portion 6, the sealing material 4 in the recess 5 is caused to overflow between the joint body 3 and the receiving material 2, and the side wall 1a of the joint groove 1 is extended between the joint body 3 and the receiving material 2. Then, the surplus sealing material 4 is stored in the concave groove 10 of the joint body 3, and the sealing material 4 is sufficiently sealed by the stored sealing material 4 while the sealing material 4 is on the surface of the joint body 3. I try not to overflow. The joint main body 3 and the receiving material 2 are formed to be slightly larger than the width of the joint groove 1, so that the joint main body 3 and the supporting material 2 reliably make elastic contact with the side wall 1a of the joint groove 1 and the width of the joint groove 1 is small. Following the change, the hollow portion 8 formed in the joint main body 3 can be easily deformed so that the joint main body 3 can sufficiently cope with the fluctuation of the width of the joint groove 1.

FIGS. 4 and 5 show other examples of the joint body 3, and in these examples, a gap 14 is formed between the surface layer piece 12 and the back piece 13, and the gap 14 is formed by the gap 14. Like the hollow portion 8, the joint main body 3 can be easily deformed, and the groove 13 is formed in the back piece 13 to absorb the excess sealing material 4.

In this way, by holding the sealing material 4 in the recess 5 of the joint body 3, the sealing material 4 is loaded in the recess 5 in advance and the joint groove 1 is filled with the sealing material 4 at the construction site. Therefore, the filling error of the sealing material 4 can be avoided. Then, the receiving material 2 loaded with the joint groove 1 and the joint main body 4 are fitted in the recesses 5 and the convex portions 6 in a concavo-convex manner to determine the position and posture of the joint main body 3, and the sealing material 4 is used. The sealing material 4 is filled with the sealing material 4 because the pushing depth of the joint body 3 into the joint groove 1 and the posture thereof are aligned in a predetermined manner and the finishability is improved while sealing is performed. Side wall 1a of the joint groove 1 by causing the joint main body 3 and the receiving material 2 to fit into the recess 5 by overflowing from the recess 5.
Therefore, a sufficient sealing property is obtained without forming a cavity between the receiving material 2 and the joint main body 3.

FIG. 6 to FIG. 9 show the second embodiment, in which the temporary fixing portion 15 is recessed one step below the recess 5 of the joint main body 3 to form one step from the convex portion 6 of the receiving material 2. By forming the connecting convex portion 16 on the lower side and fitting the convex portion 6 to the temporary fixing portion 15 as shown in FIG. 9, the temporary fixing is performed, and the sealing is performed up to the construction site in such a state. The material 4 is carried while being filled in the recess 5 and is inserted into the joint groove 1 as it is with the joint body 3 and the receiving material 2 in the temporarily fixed state, and the receiving material 2 is applied to the exterior base material (not shown).
The joint body 3 is pushed in, the recess 5 is fitted into the projection 6, the sealing material 4 in the recess 5 overflows, and the sealing is performed as in the embodiment of FIG. To do.
In such a case, the temporary fixing convex portion 16 fits into the temporary fixing portion 15. The other construction of the second embodiment is the same as that of the embodiment of FIG.

10 and 11 show a third embodiment, in which the receiving member 2 is made of hard synthetic resin and has a substantially W-shaped cross section.
The sealing material 4 can be filled in the inside 7. A saw-toothed protrusion 6 is projected from the center of the recess 17. Elastic fins 11 made of rubber or soft synthetic resin are extended over the entire length from both lower edges of the receiving member 2. The joint body 3 is made of a hard synthetic resin and has a recess 5 formed on the lower surface side thereof and having a saw-toothed portion. A soft surface material 18 is laminated on the upper surface of the joint body 3, and the soft surface material 18
Are extended like fins on both sides. The sealing material 4 is previously filled in the recess 17 of the receiving material 2 and the recess 5 of the joint body 3.

Then, as shown in FIG. 10, the non-combustible material 20 is provided in the joint groove 1 between the exterior materials 7, 7 attached to the pillar 19 such as a stud.
At the same time, the receiving material 2 is inserted, and the elastic fin piece 11 of the receiving material 2 temporarily fixes the receiving material 2 and the non-combustible material 20 in the joint groove 1. Then, the recess 5 of the joint main body 3 is fitted into the protrusion 6 of the receiving member 2, and the sealing material 4 in the recess 5 and the recess 17 overflows to reach the side wall 1a of the joint groove 1.

Then, a release sheet 21 such as a release paper is attached on the soft surface material 18 of the joint body 3, and by peeling the release sheet 21 from the soft surface material 18, even on the soft surface material 18. Even if the sealing material 4 protrudes, the protruding sealing material 4 can be removed.

As the non-combustible material 20, a fire-foam type that foams when a high temperature such as fire is applied is used, but other specifications may be used. The non-combustible material 20 may be fixed to the receiving material 2 with an adhesive. Further, in the various examples described in detail above, the projection 6 is formed on the side of the receiving material 2 and the recess 5 is formed on the side of the joint body 3, but the recess 5 is formed on the side of the receiving material 2 and the joint is formed. You may form the convex part 6 in the main body 3 side.

EFFECT OF THE INVENTION In summary, according to the present invention, a recess for filling and holding a sealing material is formed in one of the receiving material loaded in the depth of the joint groove and the joint main body fitted into the receiving material in a concavo-convex manner. Since the sealing material is held in the recess, it is possible to omit the filling work of filling the sealing material into the joint groove at the construction site by pre-loading the sealing material in the recess, and troubles due to defective filling of the sealing material can be eliminated. It can be avoided, and since the receiving material loaded in the joint groove and the joint main body are fitted in concave and convex at the concave portion and the convex portion, the position and posture of the joint main body can be determined,
Although the sealing material is used for sealing, it is possible to align the pushing depth of the joint body into the joint groove and its posture in a predetermined manner, improve its finishability, and fill the recess. Since the sealing material overflows from the recess to reach the side wall of the joint groove due to the concave-convex fitting of the joint body and the receiving material, a cavity is not formed between the receiving material and the joint body, and the sealing property is also improved. The advantage is that

[Brief description of drawings]

FIG. 1 is a cutaway perspective view of a working state of an embodiment of the present invention, FIG. 2 is a cutaway perspective view of a joint body of the same, and FIG. 3 is a cutaway perspective view of a receiving material of the same, FIGS. FIG. 6 is a cross-sectional view of another embodiment of the joint body of the same, FIG. 6 to FIG. 9 show a second embodiment of the same, FIG. 6 is a broken perspective view of the construction state of the same, and FIG. 8 is a cutaway perspective view of the joint body of the same, FIG. 8 is a cutaway perspective view of the receiving material of the above, FIG. 9 is a cutaway perspective view of the temporary fixing state of the above, and FIG. 10 is a construction state of the third embodiment of the above. Fig. 11 is a broken perspective view, Fig. 11 is an exploded cross-sectional view of the same as above, and Fig. 12 is a broken perspective view of a construction example of a conventional example, 1 is a joint groove, 1a is a side wall, 2 is a receiving member, 3 is a joint body, 4 Is a sealing material, 5
Is a concave portion, and 6 is a convex portion.

Front Page Continuation (72) Inventor Kyoichi Miyaji 1-12-1 Shinsenri Nishi-cho, Toyonaka-shi, Osaka National Housing Industry Co., Ltd. (72) Inventor Kenji Tsuda 2-2-8, Shino-cho, Nishi-ku, Hiroshima-shi, Hiroshima No. Nishikawa Rubber Industry Co., Ltd. (72) Eiji Inoue Eiji Inoue 1-7-7 Nakatsu, Hamazura, Ishizu-cho, Osaka Prefecture Sunrise Meisei Co., Ltd. 1-47 Sunrise Meisei Co., Ltd. (56) References

Claims (3)

[Claims] 1. A recess for filling and holding a sealing material is formed in one of a receiving material to be loaded in the back of a joint groove and a joint main body fitted in a concavo-convex to the receiving material, and the other is fitted into the recess. A convex portion that overflows the sealing material is formed, and the receiving material loaded in the joint groove and the joint main body are fitted into the concave and convex portions so that the sealing material in the recess reaches the side wall of the joint groove. Joint structure. 2. The joint structure according to claim 1, wherein a concave groove for absorbing and storing the overflowing sealing material is formed on the side end surface of the joint body. 3. The joint structure according to claim 1, wherein the joint body is provided with a temporary fixing portion on the back side of which the concave and convex portions are fitted.