JP4112435B2 - Joint structure - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a joint structure between outer wall members of an outer wall member attached to an outer wall of a building.
[0002]
[Prior art]
As shown in FIG. 1, a base joint 3 having a fitting groove 2b formed by a fitting portion 2 is fixed to the base material 1 as shown in FIG. After arranging and fixing the outer wall material 4 on both sides of the joint portion 2, the gasket 6 is attached to the joint 5 between the exterior materials, and the fitting convex piece 7 is inserted into the fitting concave groove 2b. A device in which the enormous locking portion 8 at the tip is locked to the locking convex piece 2a of the fitting portion 2 is known (see, for example, Patent Document 1).
[0003]
FIG. 2 shows another example of a conventional joint structure, in which a cover portion 13 that covers the opening of the joint 12 is integrally formed at the upper end of the pillar portion 11, and a plurality of stages of sealing lips 14 a are formed on both sides of the pillar portion 11. 14b projectingly, the clip 16 is attached to the bottom plate portion 15 at the lower end of the column portion, and both ends thereof are brought into pressure contact with the end of the outer wall member 15 to be locked, and FIG. Another example is shown in which a core material 17 is embedded in a lower seal lip 14b instead of attaching a clip 16 (Patent Document 2).
[0004]
[Patent Document 1]
JP-A-9-291616 [Patent Document 2]
JP-A-8-60754
[Problems to be solved by the invention]
In FIG. 1 described above, the gasket 6 mounted by positioning the gasket 6 in the depth direction and joint width direction by inserting the fitting convex piece 7 into the fitting groove 2b is well accommodated. Even when the appearance is improved and the enormous engaging portion 8 is engaged with the engaging convex piece 2a, the gasket 6 is prevented from coming off, and the outer wall material 4 contracts during cold and the joint width is widened. However, it is necessary to attach the base joint 3 before attaching the outer wall material 4. When attaching the base joint 3, it is necessary to set and install the joint forming portion on the base material to which the outer wall material is attached. Yes, the setting work is not easy.
[0006]
On the other hand, in the case shown in FIGS. 2 and 3, a joint structure is configured by attaching a gasket to the joint between the outer wall materials after attaching the outer wall material, and the outer wall material is attached as in the joint structure described above. There is no need to position and attach the base joints in advance, and the above-mentioned problems do not occur, but there is still room for improvement.
[0007]
The present invention performs positioning in the depth direction and joint width direction of the gasket to improve the fit to the joint and improve the appearance, and the outer wall material contracts during cold and the joint width may be widened. It is another object of the present invention to provide a joint structure in which workability is improved by preventing the gasket from falling off and enabling assembly after the outer wall material is attached.
[0008]
[Means for solving problems]
In the first aspect of the invention, after the outer wall material is attached to the base material, the outer wall material is inserted into the joint formed between the outer wall materials and fixed by the fixing means at an appropriate interval, and protrudes inward to the opening end. A joint structure comprising a clip having a concave cross-section formed with a stopper, and a gasket that is pushed into the joint, and that has a locked portion that is forcibly fitted to the clip and locked to the locking portion to be prevented from coming off. In the above, the clip is made of a soft resin, rubber, rubber-like elastic body or metal joiner provided with the locking portion, and a hard member that is covered on the outside of the joiner or embedded in and integrated with the joiner. The base is made of resin or metal, and the joiner is partially provided in the longitudinal direction of the base.
In the present invention, the gasket is attached only at a place where the joiner is provided, and the attaching work is reduced as compared with the case where the joiner is provided over the entire length of the base.
[0009]
Invention according to claim 2, in the invention according to claim 1, a set screw that said fastening means is screwed into the base material through the clip, to have a lip which the joiner is elastically contact the outer wall member end surface Rukoto It is characterized by.
[0010]
In the present invention, the base is fixed between the joiners by a set screw as a fastening means. In this case, as for the base having a substantially U-shaped cross section, it is desirable to cut away the opposite side wall only at the place where the set screw is fastened. As a result, when a set screw is screwed in using a tool such as a screwdriver, the work range is expanded and the workability is improved.
[0011]
In the present invention, the base can be made of a material suitable for screwing with a set screw, and the joiner can be made of a material suitable for locking the gasket.
Here, the base and the joiner are preferably integrally formed, but may be formed separately and overlapped, and bonded or screwed together to be integrated.
[0012]
The invention according to claim 3 is the invention according to claim 1 or 2, wherein the base protrudes sideways by elastically deforming and locking to the end face of the outer wall material when inserting the joint at an appropriate interval in the longitudinal direction. It is characterized by being provided.
[0013]
In the present invention, since the locking pieces are provided at appropriate intervals, the pushing operation when inserting the clip into the joint is partially performed only at the position where the locking pieces are present, rather than those provided at the full length. The workability is good.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
The clip 21 shown in FIG. 4 includes a metal base 22 having a substantially U-shaped cross section, and a rubber, for example, a jointer 23 made of EPDM, which is coated and integrated at both ends of the base 22. On both sides, a long hole 24 is provided close to the joiner 23 in the longitudinal direction of the base, and both side walls 22 a corresponding to the long hole 24 are cut off by the length of the long hole 24.
[0015]
As shown in FIG. 6, the joiner 23 has a substantially U-shaped cross section and a claw 25 as an engaging portion that protrudes inward from the opening end, and protrudes on the extension of the claw 25 obliquely upward outward from the opening end. The lip 26 is made up of.
[0016]
As shown in FIGS. 4 and 7, the outer wall material 28 has a steel plate 29 attached to the back surface of the end portion, and the steel plate 29 protrudes laterally from the end surface of the outer wall material, and has a fixing portion 29 </ b> A having a screw hole 31. Have. When the outer wall material 28 is mounted on the base material 32, the fixing portions 29 are attached at a certain interval so as not to overlap each other, thereby forming joints 33 having a certain width between the outer wall materials. Thereafter, the joint structure is constructed as follows.
[0017]
First, the clip 21 shown in FIG. 4 is inserted into the joint 33, and the set screw 35 is screwed into the base material 32 through the long hole 24 of the base 22 and the screw hole 31 of the fixing portion 29a. This screwing is performed at both ends of the long holes at both ends of the clip, whereby the clip 21 is fixed in the joint.
[0018]
Next, a gasket, for example, a gasket 37 as shown in FIG. The gasket 37 is formed at the column portion 37a, the column portion upper end, the covering portion 37b covering the joint 33, the lip 37c protruding obliquely from the middle of the column portion and elastically contacting the outer wall material end surface, and the column portion lower end. It is formed and includes a collar part 37d as a latched part, and the collar part 37d is forcibly fitted to the joiner 23 via the claw 25 by being pushed into the joint 33, and is latched to the claw 25 to be prevented from coming off. It has become. FIG. 9 shows the joint structure thus constructed.
[0019]
According to the joint structure of the present embodiment, since the clip 21 is fixed to the base material 32 by the set screw 35, the clip 21 can be reliably fixed in the joint regardless of the size of the joint width. Fastening is performed at both ends of the clip 21, and only a part of the clip 21 is required to improve workability. The gasket 37 is positioned in the joint width direction by forcibly fitting the flange 37 d through the claw 25. In addition, the positioning in the depth direction is performed in a state where the collar portion 37d is prevented from being detached by the claw 25, so that the gasket 37 is stored well, the appearance is improved, and the gasket 37 is retained by the clip 21. Therefore, even if the outer wall material 28 contracts during cold weather and the joint width is widened, the gasket 37 does not fall off, and the outer wall material 28 is attached. That is, it can be attached to the joint 33 formed between the outer wall materials, and it is not necessary to attach the clip 21 before attaching the outer wall material, so that workability is good, and there is no possibility of damaging the end surface of the outer wall material when the clip 21 or the gasket 37 is inserted. There are effects such as that.
[0020]
FIG. 10 shows another example of a clip. This clip 41 is a lip-shaped clip on both sides of the above-described clip 21 where the joiner 23 is integrally formed instead of forming the long holes 24 on both sides of the base 22. The locking piece 42 is formed to protrude. In the illustrated example, the side walls 22a of the base 22 are not cut away in the clip 41, but a portion other than the portion where the joiner 23 is provided may be cut out as shown in FIG.
[0021]
FIG. 11 shows a joint structure using the clip 41 shown in FIG. 10, and the clip 41 is fixed by strongly pushing both ends of the clip into the joint 33 when inserted into the joint 33. 42 is elastically deformed upward between the outer wall materials and is locked to the end surface of the outer wall material. After the clip 41 is attached, the gasket 37 is attached in the same manner as described above.
[0022]
In the joint structure of the present embodiment, the clip 41 can be fixed even if the joint width is slightly widened as long as the engaging piece 42 is within the range of elastic deformation by hitting the end face of the outer wall material. (The other part is easily inserted because the clip is narrower than the joint width), and the workability is higher than the fastening with the set screw 35 like the clip 21 described above. Further improvement. The gasket 37 has the same effect as described above. In the present embodiment, it is not necessary to provide the steel plate 29 on the outer wall material 28, and even if it is provided, the fixing portion 29a can be omitted.
[0023]
FIG. 12 shows still another example of the clip. The clip 51 is formed by thickening the joiner 23 of the clip 21 described above, and a U-shaped cored bar 52 is embedded inside and integrally formed. In addition, a long hole 53 similar to the long hole 24 formed in the base 22 is formed in the metal core 52, and a long hole wider than the long hole 53 is formed in the EPDM joiner 54 at a position corresponding to the long hole 53. 55 is formed and, like the clip 21, is inserted into the joint 33 and then fixed to the base material using the set screw 35.
[0024]
【The invention's effect】
According to the first aspect of the invention, after attaching the outer wall material, it can be assembled to the joint formed between the outer wall materials, and it is necessary to set the joint formation place as compared with the case where the clip is attached before the outer wall material is attached. The workability is improved, and the gasket is fit in the depth direction and joint width direction by forcibly fitting the gasket to the joiner, so that the gasket fits well and the appearance is improved. Since the gasket is partially attached to the joint only at a place where the joiner is present, the work of attaching the gasket can be reduced and the workability can be improved as compared with the case where the clip is fixed over the entire length.
[0025]
In the invention according to claim 2, the joint width is increased by fastening the clip with a set screw regardless of the size of the joint width. The clip and the gasket attached to the clip can be securely fixed without dropping off from the joint, and the base material is suitable for fastening with a set screw, and the joiner is suitable for locking the gasket. There is an effect such as that.
[0026]
In the invention according to claim 3, it is possible to fix the clip by simply pressing the clip at the location where the locking piece protrudes into the joint, and the workability of fixing the clip is improved.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a conventional joint structure.
FIG. 2 is a cross-sectional view of another example of a conventional joint structure.
FIG. 3 is a cross-sectional view of still another example of a conventional joint structure.
FIG. 4 is a perspective view of a clip before a joint structure is assembled.
5 is an enlarged cross-sectional view of a long hole portion of the clip shown in FIG. 4;
6 is an enlarged cross-sectional view of a joiner portion of the clip portion shown in FIG.
FIG. 7 is a front view of a joint.
FIG. 8 is a cross-sectional view of a gasket.
FIG. 9 is a cross-sectional view of a joint structure after construction.
FIG. 10 is a perspective view of another example of a clip.
11 is a cross-sectional view of a joint structure using the clip shown in FIG.
FIG. 12 is a cross-sectional view of still another example of a clip.
[Explanation of symbols]
21, 41, 51 ··· Clip 22 ·· Base 23 · · Joiner 24, 53, 55 · · Long hole 25 · · Claw 26 · Lip 28 · · Outer wall material 29 · · Steel plate 29a · · Fixing portion 31 · · Screw hole 32, base material 33, joint 35, set screw 37, gasket 37a, pillar 37b, covering 37c, lip 37d, collar 42, locking piece 52, cored bar

Claims (3)

After attaching the outer wall material 28 to the base material 32, it is inserted into the joint 33 formed between the outer wall materials, and is fixed by the fixing means 35, 42 at an appropriate interval, and the locking portion protruding inward to the opening end. Clip 21, 41, 51 having a concave section 25, and a cover that is pushed into the joint 33, forcibly fitted into the clip 21, 41, 51, and locked to the locking portion 25. In the joint structure comprising the gasket 37 provided with the locking portion 37d,
The clip 21, 41, 51 is covered with or embedded in a soft resin, rubber, rubber-like elastic body or metal joiner 23 having the locking portion 25, and the outside of the joiner 23. The joint structure is composed of a hard resin or metal base 22 that is integrated into the base 22, and the joiner 23 is partially provided in the longitudinal direction of the base 22.   The joint structure according to claim 1, wherein the fixing means is a set screw 35 screwed into the base material 32 through the clips 21 and 51, and the joiner 23 has a lip 26 elastically contacting the end face of the outer wall material. .   2. A joint structure according to claim 1, wherein said base is provided with a locking piece protruding laterally so as to be elastically deformed and locked to the end face of the outer wall material when inserting the joint at an appropriate interval in the longitudinal direction thereof.

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