JP6013753B2 - Eaves bending joint - Google Patents

Eaves bending joint Download PDF

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JP6013753B2
JP6013753B2 JP2012080003A JP2012080003A JP6013753B2 JP 6013753 B2 JP6013753 B2 JP 6013753B2 JP 2012080003 A JP2012080003 A JP 2012080003A JP 2012080003 A JP2012080003 A JP 2012080003A JP 6013753 B2 JP6013753 B2 JP 6013753B2
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corner
eaves
wall
bending joint
joint
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JP2013209823A (en
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船引　尚人
尚人 船引
直己 薮田
直己 薮田
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Takiron Co Ltd
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本発明は、家屋の軒先の出隅部に設置されて軒樋を直角に接続する軒樋曲り継手に関し、更に詳しくは、温度変化に伴う軒樋の伸縮により圧縮力や引張力が繰り返し作用しても亀裂や破壊が生じ難い軒樋曲り継手に関する。   The present invention relates to an eaves bending joint that is installed at the corner of the eaves of a house and connects the eaves at right angles, and more specifically, compressive force and tensile force are repeatedly applied by expansion and contraction of the eaves accompanying temperature change. The present invention relates to an eaves-bend joint that is difficult to crack or break.

図８に示すように、従来の一般的な軒樋曲り継手１００は、平面形状が略Ｌ字形の底壁１と、この底壁１の出隅側の側端から立ち上がる出隅側の側壁２と、底壁１の入隅側の側端から立ち上がる入隅側の側壁３と、両端部に形成された軒樋嵌合部４，４とを備えた、平面形状が略Ｌ字形の継手である。かかる軒樋曲り継手１００は家屋の軒先の出隅部に設置され、両端の軒樋嵌合部４，４に双方の軒樋（不図示）の端部が嵌合接着されて直角に接続されるようになっている。   As shown in FIG. 8, a conventional general eaves bending joint 100 includes a bottom wall 1 having a substantially L-shaped planar shape and a side wall 2 on the protruding corner side that rises from a side end of the bottom wall 1 on the protruding corner side. A joint having a substantially L-shaped planar shape, including a side wall 3 on the corner side that rises from the side edge on the corner side of the bottom wall 1 and eaves-fitting fitting portions 4 and 4 formed at both ends. is there. The eaves bending joint 100 is installed at the corner of the eaves of the house, and the ends of both eave ridges (not shown) are fitted and bonded at right angles to the eaves ridge fitting portions 4 and 4 at both ends. It has become so.

しかしながら、上記の軒樋曲り継手１００は、入隅側の側壁３が底壁１の入隅側の側端から略直角に立ち上り、該側壁３が曲り継手１００の入隅部５で水平方向に略９０°屈曲しているため、両端の軒樋嵌合部４，４に嵌合接着された双方の軒樋が温度変化により伸縮を繰り返して圧縮力や引張力が曲り継手１００に作用すると、その応力が曲り継手１００の入隅部５や、入隅側の側壁３と底壁１との角部６に沿って、入隅部５の下端５ａに集中し、曲り継手１００の入隅部５の下端５ａ付近から亀裂や破壊が生じるという問題があった。   However, in the above eaves bending joint 100, the side wall 3 on the corner side rises from the side edge on the corner side of the bottom wall 1 at a substantially right angle, and the side wall 3 extends horizontally at the corner portion 5 of the bending joint 100. Since it is bent approximately 90 °, both eaves fitted and bonded to the eaves fittings 4 and 4 at both ends repeat expansion and contraction due to temperature change, and compressive force and tensile force act on the bending joint 100. The stress concentrates on the lower end 5a of the corner 5 along the corner 5 of the corner joint 5 or the corner 6 between the side wall 3 and the bottom wall 1 on the corner, and the corner of the corner joint 100 is bent. 5 has a problem that cracks and breakage occur from the vicinity of the lower end 5a of the plate.

これに対し、曲り継手の入隅部に、出隅側に膨らんだ円弧状の壁を設け、この円弧状の壁の両側部を、入隅部と軒樋嵌合部とが滑らかに連続するように入隅側に膨らんだ円弧状の壁で形成した曲り継手が知られている（特許文献１）。この曲り継手は、入隅部に設けられた出隅側に膨らむ円弧状の壁と、その両側の入隅側に膨らむ円弧状の壁とで、応力の集中を緩和し、亀裂や破壊の防止を図ったものである。   On the other hand, an arc-shaped wall that swells to the exit corner side is provided at the entrance corner of the bent joint, and the entrance corner and the eaves-fitting fitting portion are smoothly continuous on both sides of the arc-shaped wall. Thus, a bent joint formed by an arc-shaped wall that swells toward the corner is known (Patent Document 1). This bent joint is made up of an arc-shaped wall that swells toward the exit corner provided at the entrance corner, and an arc-shaped wall that swells toward the entrance corner on both sides, reducing stress concentration and preventing cracks and breakage Is intended.

特許第３３７３０３４号公報Japanese Patent No. 3373034

図８に示すような従来の軒樋曲り継手１００において、入隅部５の下端５ａへの応力集中を効果的に緩和するためには、この入隅部下端５ａに近くなるほど応力の分散作用が大きくなるような応力緩和手段を設けることが理想的である。けれども、前記特許文献１の曲り継手において応力緩和手段として採用されている前記円弧状の壁は、上端から下端まで曲率半径が一定しているため、上端から下端まで応力分散作用がほぼ一定して発揮されると考えられるものであり、入隅部の下端に近くなるほど応力分散作用が大きくなるものではないので、改良する余地があった。   In the conventional eaves bend joint 100 as shown in FIG. 8, in order to effectively relieve the stress concentration on the lower end 5a of the corner portion 5, the stress dispersing action becomes closer to the corner portion lower end 5a. It is ideal to provide a stress relaxation means that is large. However, since the radius of curvature of the arc-shaped wall employed as the stress relaxation means in the bending joint of Patent Document 1 is constant from the upper end to the lower end, the stress dispersion action is almost constant from the upper end to the lower end. Since it is considered to be exhibited and the stress dispersion action is not increased as the distance from the lower end of the corner is increased, there is room for improvement.

また、前記特許文献１の曲り継手のように、入隅部に形成された円弧状の壁が出隅側に膨らみ、この円弧状の壁の両側部に形成された円弧状の壁が入隅側に膨らんでいると、曲り継手の入隅側の側壁全体が波形に蛇行した形状となるため、曲り継手の内部における水の流れが悪くなり、ゴミや土埃が溜まりやすくなるという問題もあった。   Further, like the bent joint of Patent Document 1, the arc-shaped wall formed at the entrance corner bulges toward the exit corner, and the arc-shaped walls formed at both sides of the arc-shaped wall are the entrance corner. If it is swollen to the side, the entire side wall on the corner of the bent joint has a meandering shape, and the flow of water inside the bent joint becomes worse, and there is also a problem that dust and dirt tend to accumulate. .

本発明は上記事情の下になされたもので、その目的とするところは、応力が最も集中する曲り継手の入隅部の下端に近づくほど応力分散作用が大きくなる、雨水の流れが良好な特定の応力分散手段を設けることにより、曲り継手の入隅部下端への応力集中を効果的に緩和して亀裂や破壊を防止できるようにすると共に、雨水の流れを良くしてゴミや土埃の滞溜も防止できるようにした軒樋曲り継手を提供することにある。   The present invention has been made under the circumstances described above, and the purpose of the present invention is to specify that the stress dispersion action increases as it approaches the lower end of the corner of the bent joint where the stress is most concentrated. By providing stress distribution means, it is possible to effectively relieve stress concentration at the lower end of the corner of the bent joint and prevent cracks and breakage. An object of the present invention is to provide an eaves bending joint that can prevent accumulation.

上記目的を達成するため、本発明に係る軒樋曲り継手は、平面形状が略Ｌ字形の底壁と、この底壁の出隅側及び入隅側の側端から立ち上がる出隅側及び入隅側の側壁と、両端部に形成された軒樋嵌合部と、を備えた平面形状が略Ｌ字形の軒樋曲り継手であって、上記曲り継手の入隅部が湾曲面で形成されているか、又は、上記入隅側の側壁と上記底壁との角部及び上記入隅部の双方が湾曲壁で形成されており、この湾曲壁の曲率半径が上記曲り継手の入隅部の下端に近くなるほど漸増していることを特徴とするものである。 In order to achieve the above-mentioned object, an eaves bending joint according to the present invention includes a bottom wall having a substantially L-shaped planar shape, and an exit corner side and an entrance corner rising from side edges of the bottom wall on the exit corner side and the entrance corner side. The planar shape provided with eaves-fitting fitting portions formed on both side walls and both end portions is a substantially L-shaped eaves bending joint, and the corner of the bent joint is formed with a curved surface. Or both the corners of the side wall on the corner side and the bottom wall and the corner of the corner are formed by curved walls, and the radius of curvature of the curved wall is the lower end of the corner of the bent joint. It is characterized by increasing gradually as it approaches.

本発明の軒樋曲り継手においては、上記底壁の入隅部から出隅部に向かって山部が形成され、この山部の幅が底壁の入隅部に近くなるほど漸増していることが望ましい。   In the eaves bending joint of the present invention, a crest is formed from the entrance corner of the bottom wall toward the exit corner, and the width of the crest increases gradually toward the entrance corner of the bottom wall. Is desirable.

本発明の軒樋曲り継手のように、入隅部が湾曲壁で形成されているか、又は、入隅側の側壁と底壁との角部及び入隅部の双方が湾曲壁で形成され、その曲率半径が入隅部の下端に近くなるほど漸増していると、両端の軒樋嵌合部に嵌合接着された双方の軒樋が温度変化により伸縮して圧縮力や引張力が曲り継手に繰り返し作用しても、上記の湾曲壁によって応力が分散され、この湾曲壁による応力分散作用は、曲り継手の入隅部下端に近づいて湾曲壁の曲率半径が大きくなるほど強くなる。従って、本発明の軒樋曲り継手は、入隅部下端への応力集中を上記の湾曲壁によって効果的に分散、緩和できるので、入隅部の下端付近から亀裂や破壊が生じるのを防止することができる。 Like the eaves bending joint of the present invention, the corner is formed with a curved wall, or both the corner and the corner between the side wall and the bottom wall on the corner side are formed with a curved wall, If the radius of curvature gradually increases toward the lower end of the corner, the two eaves fitted and bonded to the eaves fittings at both ends expand and contract due to temperature changes, and the compressive force and tensile force are bent. Even if it acts repeatedly, the stress is dispersed by the curved wall, and the stress dispersing action by the curved wall becomes stronger as the radius of curvature of the curved wall increases as it approaches the lower end of the corner of the bent joint. Accordingly, the eaves bending joint of the present invention can effectively distribute and alleviate the stress concentration at the lower end of the entrance corner by the curved wall, thus preventing cracks and breakage from occurring near the lower end of the entrance corner. be able to.

また、軒樋曲り継手の入隅部や、入隅側の側壁と底壁との角部が、上記のような湾曲壁で形成されていると、流水抵抗が減少して軒樋曲り継手の内部における雨水の流れが良くなるため、軒樋曲り継手の内部にゴミや土埃などが溜まるのを防止することができる。そして、曲り継手の入隅部や上記の角部が丸くなって角がとれるため、曲り継手の側壁の外面に降りかかった雨水が入隅部の下端や上記の角部から落滴し難くなる。   Also, if the corners of the eaves bending joint or the corners of the side wall and the bottom wall on the side of the eaves are formed with the curved walls as described above, the flowing water resistance decreases and the eaves bending joint Since the flow of rainwater in the interior is improved, it is possible to prevent dust and dirt from accumulating inside the eaves bending joint. And since the corners of the bent joint and the corners are rounded and the corners are rounded, it is difficult for rain water that has fallen on the outer surface of the side wall of the bent joint to drop from the lower ends of the corners and the corners. .

また、上記底面の入隅部から出隅部に向かって山部が形成され、この山部の幅が底面の入隅部に近くなるほど漸増している軒樋曲り継手は、この山部によって応力が更に分散され、曲り継手の入隅部下端への応力集中が一層緩和されるので、亀裂や破壊をより確実に防止することができる。   In addition, the eaves bending joint, in which a crest is formed from the entrance corner of the bottom surface toward the exit corner, and the width of the crest gradually increases toward the entrance corner of the bottom, the stress is applied by the crest. Is further dispersed and the stress concentration at the lower end of the corner of the bent joint is further relaxed, so that cracks and breakage can be more reliably prevented.

本発明の一実施形態に係る軒樋曲り継手を斜め下方から見た斜視図である。It is the perspective view which looked at the eaves bending joint which concerns on one Embodiment of this invention from diagonally downward. 同軒樋曲り継手の平面図である。It is a top view of the same eaves bending joint. 同軒樋曲り継手の側面図である。It is a side view of the same eaves bending joint. （ａ）は図３のＡ−Ａ線に沿った部分断面図、（ｂ）は図３のＢ−Ｂ線に沿った部分断面図である。(A) is the fragmentary sectional view along the AA line of FIG. 3, (b) is the fragmentary sectional view along the BB line of FIG. （ａ）は図２のＣ−Ｃ線に沿った部分断面図、（ｂ）は図２のＤ−Ｄ線に沿った部分断面図である。(A) is the fragmentary sectional view along the CC line of FIG. 2, (b) is the fragmentary sectional view along the DD line of FIG. （ａ）は図２のＥ−Ｅ線に沿った部分断面図、（ｂ）は図２のＦ−Ｆ線に沿った部分断面図である。(A) is the fragmentary sectional view along the EE line of FIG. 2, (b) is the fragmentary sectional view along the FF line of FIG. 本発明の他の実施形態に係る軒樋曲り継手の平面図である。It is a top view of the eaves bending joint which concerns on other embodiment of this invention. 従来の軒樋曲り継手を斜め下方から見た斜視図である。It is the perspective view which looked at the conventional eaves bending joint from diagonally downward.

以下、図面を参照して本発明の実施形態を詳述する。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

図１は本発明の一実施形態に係る軒樋曲り継手を斜め下方から見た斜視図、図２は同軒樋曲り継手の平面図、図３は同軒樋曲り継手の側面図、図４の（ａ）は図３のＡ−Ａ線に沿った部分断面図、図４の（ｂ）は図３のＢ−Ｂ線に沿った部分断面図、図５の（ａ）は図２のＣ−Ｃ線に沿った部分断面図、図５の（ｂ）は図２のＤ−Ｄ線に沿った部分断面図、図６の（ａ）は図２のＥ−Ｅ線に沿った部分断面図、図６の（ｂ）は図２のＦ−Ｆ線に沿った部分断面図である。   FIG. 1 is a perspective view of an eaves bending joint according to an embodiment of the present invention as viewed obliquely from below, FIG. 2 is a plan view of the eaves bending joint, and FIG. 3 is a side view of the eaves bending joint. (A) of FIG. 3 is a partial sectional view taken along the line AA in FIG. 3, FIG. 4 (b) is a partial sectional view taken along the line BB of FIG. 3, and FIG. 5 is a partial cross-sectional view taken along line CC, FIG. 5B is a partial cross-sectional view taken along line DD in FIG. 2, and FIG. 6A is a part taken along line EE in FIG. FIG. 6B is a sectional view taken along the line FF in FIG.

この実施形態に係る軒樋曲り継手１０は合成樹脂で一体に射出成形したものであって、図１〜図３に示すように、平面形状が略Ｌ字形の底壁１と、底壁１の出隅側の側端から立ち上がる出隅側の側壁２と、底壁１の入隅側の側端から立ち上がる入隅側の側壁３と、これらの底壁１及び側壁２，３の両端部に形成された軒樋嵌合部４，４と、を備えた平面形状が略Ｌ字形の継手である。   The eaves bending joint 10 according to this embodiment is integrally injection-molded with synthetic resin, and as shown in FIGS. 1 to 3, the bottom wall 1 having a substantially L-shaped planar shape, A side wall 2 on the side of the corner that rises from the side edge on the side of the corner of the corner, a side wall 3 on the side of the corner that rises from the side edge on the side of the corner of the bottom wall 1, and both ends of the bottom wall 1 and the side walls 2 and 3 The planar shape provided with the eaves hook fitting portions 4 and 4 formed is a substantially L-shaped joint.

この軒樋曲り継手１０は家屋の軒先の出隅部に設置され、図２に示すように両端の軒樋嵌合部４，４に双方の軒樋２０，２０の端部が嵌合接着されて直角に接続されるようになっている。両端の軒樋嵌合部４，４は、図１〜図３に示すように、それぞれの軒樋２０の端部を嵌め受ける略Ｕ字形の軒樋受部４ａと、この軒樋受部４ａの内側に形成されて軒樋２０の端部を内側から押える軒樋押え部４ｂと、この軒樋受部４ａの両側上端に形成されて軒樋２０の両側の耳部を押える耳押え部４ｃ，４ｃとを備えたものである。   The eaves bending joint 10 is installed at the corner of the eaves of the house, and the ends of both eaves 20 and 20 are fitted and bonded to the eaves fittings 4 and 4 at both ends as shown in FIG. Are connected at right angles. As shown in FIGS. 1 to 3, the eaves hook fitting portions 4 and 4 at both ends are substantially U-shaped eaves hook receiving portions 4a for receiving the ends of the respective eave rods 20, and the eaves hook receiving portions 4a. The eaves presser portion 4b that is formed on the inner side of the eaves rod 20 to press the end portion of the eaves rod 20 from the inner side, and the ear presser portion 4c that is formed on the upper ends of both sides of the eaves rod receiving portion 4a and that holds the ear portions on both sides of the eave rod 20 , 4c.

この軒樋曲り継手１０の大きい特徴は、入隅部５の下端５ａへの応力集中を効果的に緩和するために、曲り継手の入隅部５、及び、入隅側の側壁３と底壁１との角部６を、円弧状に湾曲した曲率半径が徐々に変化する湾曲壁５０，６０で形成している点にある。 The major feature of the eaves bending joint 10 is that, in order to effectively relieve the stress concentration on the lower end 5a of the corner 5, the corner 5 of the corner joint, and the side wall 3 and the bottom wall on the corner side are provided. 1 is formed by curved walls 50 and 60 that gradually change in radius of curvature that are curved in an arc shape.

即ち、この軒樋曲り継手１０の入隅部５は、出隅側に向かって円弧状に凸湾曲する湾曲壁５０で形成されており、図１，図３，図４の（ａ）（ｂ）に示すように、この湾曲壁５０の曲率半径Ｒと幅は、曲り継手１０の入隅部５の下端５ａに近くなるほど徐々に大きくなっている。そして、この軒樋曲り継手１０の入隅側の側壁３と底壁１との角部６は、当該継手の外側に向かって円弧状に凸湾曲する湾曲壁６０で形成されており、図１，図２，図５の（ａ）（ｂ）に示すように、この湾曲壁６０の曲率半径Ｒと幅も、曲り継手１０の入隅部５の下端５ａに近くなるほど徐々に大きくなっている。   That is, the entrance corner 5 of the eaves bending joint 10 is formed by a curved wall 50 that is convexly curved in an arc shape toward the exit corner, and is shown in FIGS. ), The radius of curvature R and the width of the curved wall 50 gradually increase as it approaches the lower end 5a of the corner 5 of the bent joint 10. And the corner | angular part 6 of the side wall 3 and the bottom wall 1 of the entrance corner side of this eaves bending joint 10 is formed by the curved wall 60 which curves convexly in the arc shape toward the outer side of the said joint, FIG. As shown in FIGS. 2 and 5 (a) and 5 (b), the radius of curvature R and the width of the curved wall 60 gradually increase toward the lower end 5a of the corner 5 of the bent joint 10. .

上記のように湾曲壁５０，６０の曲率半径Ｒが軒樋曲り継手１０の入隅部５の下端に近くなるほど漸増していると、これらの湾曲壁５０，６０による応力分散作用は、曲率半径Ｒが大きくなるほど、換言すれば、入隅部５の下端５ａに近づくほど強くなるため、軒樋２０，２０の伸縮によって生じる応力が入隅部５の下端５ａに集中するのを効果的に分散、緩和することができる。従って、軒樋曲り継手１０の入隅部５の下端５ａ付近から亀裂や破壊が生じるのを十分防止することができる。   As described above, when the radius of curvature R of the curved walls 50 and 60 gradually increases toward the lower end of the entrance corner 5 of the eaves bending joint 10, the stress dispersion action by these curved walls 50 and 60 causes the radius of curvature. The larger R is, in other words, the stronger is the closer to the lower end 5 a of the corner 5, the more effectively the stress generated by the expansion and contraction of the eaves 20, 20 is concentrated on the lower end 5 a of the corner 5. Can be relaxed. Therefore, it is possible to sufficiently prevent cracks and breakage from occurring near the lower end 5a of the entrance corner 5 of the eaves bending joint 10.

また、軒樋曲り継手１０の入隅部５と角部６の双方が、上記のような湾曲壁５０，６０で形成されていると、流水抵抗が減少して軒樋曲り継手１０の内部における雨水の流れが良くなるため、軒樋曲り継手１０の内部にゴミや土埃などが溜まるのを防止することができる。そして、曲り継手１０の入隅部５や上記の角部６が丸くなって角がとれるため、曲り継手１０の側壁３の外面に降りかかった雨水が入隅部５の下端５ａや角部６から落滴し難くなる。   Moreover, when both the corners 5 and the corners 6 of the eaves bending joint 10 are formed by the curved walls 50 and 60 as described above, the flowing water resistance is reduced and the eaves bending joint 10 is formed inside the eaves bending joint 10. Since the flow of rainwater is improved, it is possible to prevent dust and dirt from accumulating inside the eaves bending joint 10. Since the corner 5 of the bent joint 10 and the corner 6 described above are rounded to take a corner, rain water that has fallen on the outer surface of the side wall 3 of the bent joint 10 has a lower end 5 a and a corner 6 of the corner 5. It becomes difficult to drop from.

なお、この軒樋曲り継手１０は、入隅部５と角部６の双方を上記の湾曲壁５０，６０で形成しているが、入隅部５のみを上記の湾曲壁５０で形成するようにしてもよく、その場合でも入隅部５の下端５ａへの応力集中が十分緩和されるので、亀裂や破壊を防止することができる。 Incidentally, the eaves trough bend joint 10 is both the inner corner portion 5 and the corner portion 6 is formed by the curved walls 50 and 60, to form only the inner corner portion 5 in the curved wall 5 0 above Even in such a case, the stress concentration on the lower end 5a of the corner 5 is sufficiently relaxed, so that cracks and breakage can be prevented.

更に、この実施形態の軒樋曲り継手１０は、図１，図２に示すように、底面１の入隅部から出隅部に向かって山部７が形成され、この山部７の幅Ｗと高さは、図６の（ａ）（ｂ）に示すように底面１の入隅部に近くなるほど徐々に大きくなっている。このように底面１の入隅部に近くなるほど幅Ｗと高さが漸増する山部７が底面に形成されていると、この山部７によって応力が更に分散され、曲り継手１０の入隅部下端５ａへの応力集中が一層緩和されるので、亀裂や破壊をより確実に防止することができる。   Further, as shown in FIGS. 1 and 2, the eaves bending joint 10 of this embodiment is formed with a crest 7 from the entrance corner to the exit corner of the bottom surface 1, and the width W of the crest 7. As shown in FIGS. 6A and 6B, the height gradually increases as the height approaches the corner of the bottom surface 1. In this way, when the crest portion 7 whose width W and height gradually increase toward the corner of the bottom surface 1 is formed on the bottom surface, stress is further dispersed by the crest 7 and the corner portion of the bending joint 10 is obtained. Since the stress concentration on the lower end 5a is further relaxed, cracks and breakage can be prevented more reliably.

また、この実施形態の軒樋曲り継手１０は、図１、図２に示すように、入隅側の側壁３が軒樋嵌合部４，４の入隅側の側壁４ｄ，４ｄより出隅側へオフセットした状態で形成されている。このように、入隅側の側壁３が出隅側へオフセットした状態で形成されていると、入隅側の側壁３と軒樋嵌合部４の入隅側の側壁４ｄとを連結する段差部分の壁により、軒樋の熱伸縮によって生じる応力が緩和される効果がある。また、図７に示す実施形態の軒樋曲り継手のように、入隅側の側壁３と軒樋嵌合部４の入隅側の側壁４ｄとを斜壁４ｅで連結してもよい。このような斜壁４ｅを設けると、熱伸縮によって生じた応力が斜壁４ｅで分散、緩和される効果があり、しかも、斜壁４ｅによって雨水の流れが良くなり、軒樋曲り継手の内部にゴミや土埃などが溜まるのを防止できる効果もある。更に、これらの実施形態のような軒樋外曲り継手においては、気温の低下に伴う軒樋の収縮により両端の軒樋嵌合部４，４が引っ張られた場合でも、入隅側の側壁３が建物の軒先の出隅部と接触することがないため、接触による割れを防止できる効果もある。   Further, as shown in FIGS. 1 and 2, the eaves bending joint 10 of this embodiment is such that the side wall 3 on the corner side protrudes from the side walls 4d and 4d on the corner side of the eaves fitting portions 4 and 4. It is formed in a state offset to the side. Thus, when the side wall 3 on the entrance corner side is formed in a state offset to the exit corner side, the step for connecting the side wall 3 on the entrance corner side and the side wall 4d on the entrance corner side of the eaves fitting portion 4 is connected. The wall of the part has the effect of relieving the stress generated by the thermal expansion and contraction of the eaves. Moreover, you may connect the side wall 3 by the side of an entrance corner, and the side wall 4d by the side of the entrance corner of the eaves fitting part 4 by the slant wall 4e like the eaves bending joint of embodiment shown in FIG. Providing such a slanted wall 4e has the effect of dispersing and mitigating stress generated by thermal expansion and contraction in the slanted wall 4e. Moreover, the slanted wall 4e improves the flow of rainwater, and the inside of the eaves bending joint There is also an effect of preventing accumulation of dust and dirt. Furthermore, in the eaves outer bend joint as in these embodiments, even when the eaves fitting fitting portions 4 and 4 at both ends are pulled due to the shrinkage of the eaves accompanying a decrease in the temperature, the side wall 3 on the entry corner side is provided. However, since there is no contact with the protruding corners of the eaves of the building, there is an effect of preventing cracking due to contact.

なお、図７に示す実施形態に係る軒樋曲り継手の上記以外の構成は、前述した図１〜６の実施形態の軒樋曲り継手の構成と実質的に同じであるので、図７において対応する箇所に対応する符合を付し、重複する説明は省略する。前記山部７は図７には表記していないが、前記山部７を形成しても勿論よい。
また、図１においては、湾曲壁５０，６０及び山部７の凹凸形状を分かりやすく示すために、便宜的に複数本の凹凸形状表示線Ｌを付記したが、このような凹凸形状表示線Ｌは本発明の軒樋曲り継手においては勿論存在しない。 In addition, since the structure except the above of the eaves bending joint which concerns on embodiment shown in FIG. 7 is substantially the same as the structure of the eaves bending joint of embodiment of FIGS. 1-6 mentioned above, it respond | corresponds in FIG. The reference numerals corresponding to the parts to be applied are attached, and the duplicate description is omitted. Although the peak 7 is not shown in FIG. 7, the peak 7 may of course be formed.
Further, in FIG. 1, in order to show the concave and convex shapes of the curved walls 50 and 60 and the peak portion 7 in an easy-to-understand manner, a plurality of concave and convex shape display lines L are added for convenience. Of course, this is not present in the eaves bending joint of the present invention.

以上の説明から理解できるように、本発明の軒樋曲り継手は、その入隅部、又は、入隅側の側壁と底壁との角部及び入隅部の双方に形成された前記の湾曲壁と、望ましくは底壁に形成される前記の山部によって、応力を効果的に分散し、入隅部の下端への応力集中を緩和して亀裂や破壊を十分防止すると共に、雨水の流れを良くしてゴミや土埃の滞溜も防止することができるといった顕著な効果を奏するものである。
 As can be understood from the above description, the eaves bending joint of the present invention has the curved portion formed at the corner of the corner or between the corner and the corner of the corner and the side wall on the corner. The walls and preferably the peaks formed on the bottom wall effectively distribute the stress, relax the stress concentration at the lower end of the corner and prevent cracks and breakage, As a result, it is possible to prevent the accumulation of dust and dirt.

１ 底壁
２ 出隅側の側壁
３ 入隅側の側壁
４ 軒樋嵌合部
５ 入隅部
５ａ 入隅部の下端
６ 入隅側の側壁と底壁との角部
７ 山部
５０ 入隅部に形成された湾曲壁
６０ 入隅側の側壁と底壁との角部に形成された湾曲壁
１０，１００ 軒樋曲り継手 DESCRIPTION OF SYMBOLS 1 Bottom wall 2 Side wall on the exit corner 3 Side wall on the entrance corner 4 Eaves hook fitting part 5 Entrance corner 5a Lower end of the entrance corner 6 Corner part of the entrance corner side wall and the bottom wall 7 Crest 50 Curved wall formed at the corner 60 Curved wall formed at the corner between the side wall and the bottom wall on the corner side

Claims (2)

平面形状が略Ｌ字形の底壁と、この底壁の出隅側及び入隅側の側端から立ち上がる出隅側及び入隅側の側壁と、両端部に形成された軒樋嵌合部と、を備えた平面形状が略Ｌ字形の軒樋曲り継手であって、
上記曲り継手の入隅部が湾曲壁で形成されているか、又は、上記入隅側の側壁と上記底壁との角部及び上記入隅部の双方が湾曲壁で形成されており、この湾曲壁の曲率半径が上記曲り継手の入隅部の下端に近くなるほど漸増していることを特徴とする軒樋曲り継手。 A bottom wall having a substantially L-shape in plan view, side walls on the exit corner side and the entrance corner side rising from the side edges on the exit corner side and the entrance corner side of the bottom wall, and eaves hook fitting portions formed on both ends The plane shape provided with a substantially L-shaped eaves bending joint,
Or internal corner portion of the bending joint is formed by a curved wall, or both corners and upper fill corners of the internal corner of the side wall and the bottom wall is formed by a curved wall, the curved An eaves bending joint characterized in that the radius of curvature of the wall gradually increases toward the lower end of the corner of the bent joint. 上記底壁の入隅部から出隅部に向かって山部が形成され、この山部の幅が底壁の入隅部に近くなるほど漸増していることを特徴とする請求項１に記載の軒樋曲り継手。   2. The crest is formed from the entrance corner to the exit corner of the bottom wall, and the width of the crest gradually increases toward the entrance corner of the bottom wall. Eaves bending joint.
JP2012080003A 2012-03-30 2012-03-30 Eaves bending joint Active JP6013753B2 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101831099B1 (en) * 2014-09-11 2018-04-04 이시하라 케미칼 가부시키가이샤 Nickel colloid catalyst solution for electroless nickel or nickel alloy plating, and electroless nickel or nickel alloy plating method
KR101831100B1 (en) * 2015-02-19 2018-04-04 이시하라 케미칼 가부시키가이샤 Copper colloid catalyst solution for electroless copper plating and electroless copper plating method

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FR3105798B1 (en) * 2019-12-27 2022-05-13 Art Home Alu Corner connection piece for pergola gutters.

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JPH0719449U (en) * 1993-09-14 1995-04-07 積水化学工業株式会社 Eaves gutter bent joint
JP4550953B2 (en) * 1999-01-14 2010-09-22 積水化学工業株式会社 Bent joint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101831099B1 (en) * 2014-09-11 2018-04-04 이시하라 케미칼 가부시키가이샤 Nickel colloid catalyst solution for electroless nickel or nickel alloy plating, and electroless nickel or nickel alloy plating method
KR101831100B1 (en) * 2015-02-19 2018-04-04 이시하라 케미칼 가부시키가이샤 Copper colloid catalyst solution for electroless copper plating and electroless copper plating method

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