JP4550953B2

JP4550953B2 - Bent joint

Info

Publication number: JP4550953B2
Application number: JP00795799A
Authority: JP
Inventors: 兼昭豊田
Original assignee: Sekisui Chemical Co Ltd
Current assignee: Sekisui Chemical Co Ltd
Priority date: 1999-01-14
Filing date: 1999-01-14
Publication date: 2010-09-22
Anticipated expiration: 2019-01-14
Also published as: JP2000204727A

Description

【０００１】
【発明の属する技術分野】
本発明は、家屋の軒先の出隅部に設けられる曲り樋継手に関する。
【０００２】
【従来の技術】
軒先の出隅部に設けられる従来の曲り樋継手としては、例えば、特開平７−２５９２７７号公報に記載されているようなものがある。
【０００３】
この曲り樋継手は、略Ｌ字の平面形状に形成され、軒樋を嵌合可能な軒樋嵌合部が両端に設けられている継手本体を備え、その継手本体の入隅部が継手本体の出隅部側に膨らんだ円弧状の壁で形成されている曲り樋継手において、その継手本体の入隅部の両端部が、入隅部と軒樋嵌合部とを滑らかに連続させる円弧状の壁で形成されているものである。
【０００４】
この曲り樋継手にあっては、その継手本体の入隅部の両端部が、入隅部と軒樋嵌合部とを滑らかに連続させる円弧状の壁で形成されているため、軒樋嵌合部に嵌合させた軒樋が気温の上昇に伴って伸長することによって継手本体に圧縮力が作用した時と、軒樋嵌合部に嵌合させた軒樋が気温の下降に伴って収縮することによって継手本体に引っ張り力が作用した時のいずれの場合においても、継手本体の入隅部側の側壁に生じる応力は、入隅部からその両側部にかけての部分にほぼ均等に分散して、亀裂が生じたり破壊したりすることがなく、簡便なものである。
【０００５】
【発明が解決しようとする課題】
しかしながら、上記の継手本体の軒樋嵌合部と軒樋が嵌合していない部分の垂直断面形状は、軒樋とほぼ同じ形状とされ、入隅部の下端コーナー部の曲率半径は小さく、角張った形になされているため、軒樋の温度変化に伴って生じる伸縮で、入隅部の下端コーナー部に応力が集中し、入隅部の下端コーナー部から亀裂を生じたり破壊したりするという問題があった。
【０００６】
又、軒先に軒樋と曲り継手を取り付けるとき、曲り継手と鼻隠し板間に一定間隔開けて取り付けるようになされていないため、曲り継手の入隅部の側壁に一部が鼻隠し板に近づいて施工されることによって、軒樋の温度変化に伴って生じる伸縮で、曲り継手が鼻隠し板に当って、亀裂が生じたり破壊したりするという問題があった。
【０００７】
そこで、本発明は、上記のような問題に着目し、温度変化が原因となる亀裂や破壊が生じることのない曲り樋継手を提供することを目的としている。
【０００８】
【課題を解決するための手段】
請求項１記載の発明は、略Ｌ字の平面形状に形成され、軒樋を嵌合可能な軒樋嵌合部が両端に設けられている継手本体を備え、その継手本体の入隅部が、継手本体の出隅部側に膨らんだ壁で形成されている曲り樋継手において、前記継手本体は、底壁と、この底壁の両側から立設した屋内側及び屋外側側壁で形成され、その入隅部の下端コーナー部の曲率半径が軒樋嵌合部の下端コーナー部の曲率半径より大きくなされるとともに、前記継手本体の入隅部のコーナー部の側壁高さ位置がその両側の部分にくらべて低くなされているものである。
【０００９】
請求項１の発明において、軒樋嵌合部の形状は、軒樋が嵌合でき、軒樋嵌合部で軒樋を係止することができれば、適宜な形状でよく、例えば、垂直断面形状が軒樋とほぼ同じで、軒樋嵌合部の端部の上端部に内側に向けて相対して係止爪を設けて、この係止爪で軒樋の屋外側と屋内側の耳部を押え付けるようにするとしっかり軒樋嵌合部で軒樋の端部を係止することができるので好ましい。
【００１０】
請求項１の発明において、入隅部の下端コーナー部の曲率半径の大きさは、軒樋嵌合部と軒樋の下端コーナー部の曲率半径より大きく、接続されている軒樋の温度変化に伴って生じる伸縮で、入隅部の下端コーナー部に応力が集中しても、入隅部の下端コーナー部から亀裂を生じたり破壊したりしない程度の大きさであれば、適宜な大きさでよい。
【００１１】
請求項１の発明において、出隅部の側壁の形状は、軒樋の屋外側の側壁と同じ形状であれば、適宜な形状でよく、例えば、上壁部と下壁部に分けて、それぞれの壁部の内側に上壁係止部と下壁係止部とを設けて、上壁部と下壁部とを接続して出隅部の側壁としてもよい。
【００１２】
【作用】
請求項１記載の発明では、底壁と、この底壁の両側から立設した屋内側及び屋外側側壁で形成されている継手本体の入隅部の下端コーナー部の曲率半径が軒樋嵌合部の下端コーナー部の曲率半径より大きくなされているから、軒樋嵌合部に嵌合させた軒樋が気温の上昇に伴って伸長することによって継手本体に圧縮力が作用した時と、軒樋嵌合部に嵌合させた軒樋が気温の下降に伴って収縮することによって継手本体に引っ張り力が作用した時のいずれの場合においても、継手本体の入隅部側の下端部のコーナー部に生じる応力は、入隅部にほぼ均等に分散して、亀裂が生じたり破壊したりすることがない。
また、継手本体の入隅部のコーナー部の側壁高さ位置がその両側の部分にくらべて低くなされているので、大型の軒樋の場合、軒樋吊具を屋根の出隅部に取り付け、軒樋吊具で継手本体を吊るとき、軒樋吊具の腕部が邪魔にならずに、継手本体の出隅部と入隅部のコーナーを吊ることができる。
【００１３】
【発明の実施の形態】
本発明の一実施例を図１〜図４に基づいて、詳述する。
図１は曲り樋継手の分解説明図、図２は曲り樋継手の側面図、図３は図１の接続部材のＤ−Ｄ矢視断面図、図４は曲り樋継手吊具で曲り樋継手を吊っている状態を示す説明図である。
【００１４】
図１及び図２において、１は合成樹脂（塩化ビニル樹脂）製の曲り樋継手であり、曲り樋継手１は、屋外側側壁がほぼ中央部で上下２つに分割され、略Ｌ字の平面形状に形成されている。この曲り樋継手１は、両端部に軒樋５を嵌合可能な軒樋嵌合部１２が設けられている継手本体１１と、接続部材３と、両端部の上端部に押え片１６を有した上壁部８と、軒樋係止部１８と、両端部の軒樋嵌合部１２の屋内側側壁の上端部に設けられた押え片１６とからなっている。
【００１５】
継手本体１１は、屋外側側壁の下壁部９と屋内側側壁と底面とで垂直方向の断面形状がほぼＵ字形になされている。この下壁部９のコーナー側端部に接続部材３（後述説明）の取付部３１が設けられている。継手本体１１の入隅部１３が出隅部１５側に膨らんだ側壁で形成されている。図２に示すように、継手本体１１の入隅部１３のコーナー部近傍が一段低くなされている。この一段低くなされているところに、曲り樋継手吊具７の腕部が通されるようになされている。
【００１６】
この両端部の軒樋嵌合部１２の端部の屋内側側壁の上端部にそれぞれ押え片１６が内側に向けて設けられている。この両端部の軒樋嵌合部１２の奥部に軒樋係止部１８が設けられている。この両端部の軒樋嵌合部１２の下端部の底部と側壁とのコーナー部は、軒樋５の下端部のコーナー部とほぼ同じ形状になされ、角張っている。このコーナー部の曲率半径は約８ｍｍになされている。軒樋５の端部が軒樋嵌合部１２の奥部の軒樋係止部１８に差し込まれ、軒樋５の屋内側耳部（図示省略）を押え片１６で押え付けて、曲り樋継手１に軒樋５が接続されるようになされている。
【００１７】
継手本体１１の入隅部１３の下端部の底部と側壁とのコーナー部は、円弧状になされ、このコーナー部の曲率半径は約２３ｍｍになされ、軒樋嵌合部１２の下端コーナー部の曲率半径より大きくなされている。
【００１８】
接続部材３は、図１と図３に示すように、略Ｌ字の平面形状に形成され、垂直方向の断面形状が横釣針状になされ、一方の端部に差込口３４と、下方に向けて２本の凸部３２、３３とが設けられ、差込口３４が屋外方向に向けるようにして、この２本の凸部３２、３３を継手本体１１の取付部３１に押し込むことができるようになされている。この差込口３４は入口が奥部より狭くなされている。
【００１９】
上壁部８は、図１と図２に示すように、略Ｌ字の平面形状に形成され、垂直方向の断面形状がほぼＬ字形になされ、上端部が屋内側方向に曲げられ、両端部の上端部には押え片１６が設けられている。下端部のコーナー部近傍両方向には、屋内側方向に向けて、接続部材３の略Ｌ字の平面形状の長さとほぼ同じ長さの差込部８１が設けられ、この差込部８１が接続部材３の差込口３４に押し込んで係止できるようになされている。
【００２０】
次に、曲り継手１の取付方法と作用を説明する。
先ず、継手本体１１の取付部３１に、接続部材３の差込口３４が屋外方向に向けるようにして、２本の凸部３２、３３を押し込んで、継手本体１１に接続部材３を取り付ける。
【００２１】
次に、軒先の出隅部において、一方の軒先に施工された軒樋５の一端部に、接続部材３が取り付けられた継手本体１１の一方の軒樋嵌合部１２の軒樋係止部１８を接続する。次に、他方の軒先に施工された軒樋５の一端部に、接続部材３が取り付けられた継手本体１１の他方の軒樋嵌合部１２の軒樋係止部１８を接続する。
【００２２】
次に、上壁部８の下端部の差込部８１を接続部材３の差込口３４に押し込んで、上壁部８を接続部材３に取り付け、上壁部８の両端部の上端部の押え片１６で軒樋５の屋外側耳部（図示省略）を押える。接続部材３を介して上壁部８と継手本体１１の下壁部９とを接続して、軒樋５、５に曲り継手１を接続する。
【００２３】
次に、軒先の出隅部のコーナー部に曲り継手吊具７を取り付け、曲り継手吊具７の屋外側耳保持部で曲り継手１の屋外側耳部を保持し、屋内側耳保持部で曲り継手１の屋内側耳部を保持する。
【００２４】
このようにすると、継手本体１１の入隅部１３の下端コーナー部の曲率半径が軒樋嵌合部１２の下端コーナー部の曲率半径より大きくなされているから、軒樋嵌合部１２に嵌合させた軒樋５が気温の上昇に伴って伸長することによって継手本体に圧縮力が作用した時と、軒樋嵌合部１２に嵌合させた軒樋５が気温の下降に伴って収縮することによって継手本体１１に引っ張り力が作用した時のいずれの場合においても、継手本体１１の入隅部１３側の下端部のコーナー部に生じる応力は、入隅部にほぼ均等に分散して、亀裂が生じたり破壊したりすることがない。
【００２５】
以上、本発明の一実施例を図面により詳述してきたが、具体的な構成はこの実施例に限られるものではなく、本発明の要旨を逸脱しない範囲における設計の変更等があっても本発明に含まれる。例えば、図５に示すように、コ字部材の開口部が継手本体１１の入隅部１３の側壁の外側面の上端部に取り付けて係止部とし、図６に示すように、間隙保持部材２の形状を２本の横材２１と縦材２２とからなる横Ｔ字部材とし、この縦材２２のほぼ中央部にスリット２４を設け、縦材２２の上端部を矢印状にしたものにしておくと、縦材２２の上端部を両方から押えて縦材２２の幅を小さくして、コ字部材の係止部１４に差し込んで、両方からの押えを外すと、縦材２２の上端部を矢印状がコ字部材の係止部１４に引っ掛けて係止できる。
【００２６】
このようにすると、継手本体１１の入隅部１３の側壁の外側面に間隙保持部材２が設けることができるから、軒先に軒樋５と曲り継手１を取り付けるとき、曲り継手１と鼻隠し板６とに一定間隔を開けることができ、軒樋５の伸縮によって曲り継手１が鼻隠し板６に接触せず、曲り継手１が鼻隠し板６に当ったりして亀裂が生じたり破壊したりすることがない。
【００２７】
更に、継手本体１１の入隅部１３の側壁に間隙保持部材２を係止させる係止部１４が設けられているから、間隙保持部材２を係止部１４で係止させることによって、間隙保持部材２がずれたりせず、間隙保持部材２の位置決めをきちんとすることができる。
【００２８】
【発明の効果】
以上説明したように、請求項１記載の発明では、底壁と、この底壁の両側から立設した屋内側及び屋外側側壁で形成されている継手本体の入隅部の下端コーナー部の曲率半径が軒樋嵌合部の下端コーナー部の曲率半径より大きくなされているから、軒樋嵌合部に嵌合させた軒樋が気温の上昇に伴って伸長することによって継手本体に圧縮力が作用した時と、軒樋嵌合部に嵌合させた軒樋が気温の下降に伴って収縮することによって継手本体に引っ張り力が作用した時のいずれの場合においても、継手本体の入隅部側の下端部のコーナー部に生じる応力は、入隅部にほぼ均等に分散して、亀裂が生じたり破壊したりすることがない。
また、継手本体の入隅部のコーナー部の側壁高さ位置がその両側の部分にくらべて低くなされているので、大型の軒樋の場合、軒樋吊具を屋根の出隅部に取り付け、軒樋吊具で継手本体を吊るとき、軒樋吊具の腕部が邪魔にならずに、継手本体の出隅部と入隅部のコーナーを吊ることができる。
【図面の簡単な説明】
【図１】曲り樋継手の分解説明図である。
【図２】曲り樋継手の側面図である。
【図３】図１の接続部材のＤ−Ｄ矢視断面図である。
【図４】曲り樋継手吊具で曲り樋継手を吊っている状態を示す説明図である。
【図５】継手本体の入隅部の側壁の外側面に係止部が設けられている状態を示す説明図である。
【図６】間隙保持部材の斜視図である。
【符号の説明】
１曲り樋継手
１１継手本体
１２軒樋嵌合部
１３入隅部
１４係止部
１５出隅部
１６押え片
１８軒樋係止部
３１取付部
３接続部材
３４差込口
５軒樋
６鼻隠し板
７曲り樋継手吊具
８上壁部
８１差込部
９下壁部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a bent joint provided at a corner of the eaves of a house.
[0002]
[Prior art]
An example of a conventional bent joint provided at the eaves corner of the eaves is described in Japanese Patent Application Laid-Open No. 7-259277.
[0003]
This bent joint is provided with a joint body that is formed in a substantially L-shaped planar shape and is provided with an eaves hook-fitting portion that can fit an eaves hook at both ends, and the corner of the joint body is a joint body. In a curved saddle joint formed with an arc-shaped wall that bulges to the protruding corner side of the joint, both ends of the corner of the joint body smoothly connect the corner and the eaves fitting part. It is formed of arcuate walls.
[0004]
In this bent joint, both ends of the joint corner of the joint body are formed by arcuate walls that smoothly connect the corner and the eaves fitting part. When the eaves fitted to the joint extends as the temperature rises, a compressive force acts on the joint body, and when the eaves fitted to the eaves fitting engages as the temperature decreases In any case when a tensile force is applied to the joint body due to shrinkage, the stress generated on the side wall on the joint corner side of the joint body is distributed almost evenly on the part from the corner to both sides. Thus, it is simple without cracking or breaking.
[0005]
[Problems to be solved by the invention]
However, the vertical cross-sectional shape of the portion where the eaves fitting fitting portion and the eaves fitting of the joint body are not fitted is substantially the same shape as the eaves fitting, and the curvature radius of the lower corner portion of the entrance corner is small. Due to the square shape, the expansion and contraction caused by the temperature change of the eaves can cause stress to concentrate on the bottom corner of the corner, causing cracks or breaking from the bottom corner of the corner. There was a problem.
[0006]
Also, when attaching the eaves and the bent joint to the eaves, it is not designed to be installed with a certain distance between the bent joint and the nose cover plate, so a part of the side wall of the corner of the bent joint approaches the nose cover plate. As a result, the bent joint hits the nose cover plate due to expansion and contraction caused by the temperature change of the eaves, causing cracks or breaking.
[0007]
Then, this invention pays attention to the above problems, and it aims at providing the bend joint which does not produce the crack and destruction resulting from a temperature change.
[0008]
[Means for Solving the Problems]
The invention according to claim 1 is provided with a joint body that is formed in a substantially L-shaped planar shape and is provided with an eaves hook fitting portion that can fit the eaves hooks at both ends, and a corner portion of the joint body is provided. In the bent joint formed by the wall bulging on the protruding corner side of the joint body, the joint body is formed by a bottom wall and indoor and outdoor side walls erected from both sides of the bottom wall, its with the radius of curvature of the lower corner portion of the inner corner portion is made greater than the radius of curvature of the bottom corner of the eaves gutter fitting portion, the sidewall height position of the corner portions of the inner corner portion of the joint body on both sides It is made lower than the part .
[0009]
In the invention of claim 1, the shape of the eaves fitting portion may be an appropriate shape as long as the eaves can be fitted and the eaves can be locked by the eaves fitting fitting portion. It is almost the same as the eaves ridge, and a locking claw is provided facing the inside at the upper end of the end portion of the eaves ridge fitting portion, and the locking claw is used for the outer side and the indoor side of the eaves. It is preferable to hold down the end because the end portion of the eaves can be firmly locked by the eaves fitting fitting portion.
[0010]
In the first aspect of the invention, the radius of curvature of the lower corner portion of the entrance corner is larger than the radius of curvature of the lower corner portion of the eaves mating portion and the eaves mating portion. Even if the stress is concentrated on the lower corner of the entrance corner due to the expansion and contraction that accompanies it, if the size is such that it does not crack or break from the lower end corner of the entrance corner, the appropriate size Good.
[0011]
In the invention of claim 1, the shape of the side wall of the protruding corner portion may be an appropriate shape as long as it is the same shape as the side wall on the outdoor side of the eaves, for example, divided into an upper wall portion and a lower wall portion, An upper wall engaging portion and a lower wall engaging portion may be provided inside the wall portion, and the upper wall portion and the lower wall portion may be connected to form a side wall of the protruding corner portion.
[0012]
[Action]
In the first aspect of the invention, the curvature radius of the bottom corner portion of the joint corner portion of the joint body formed by the bottom wall and the indoor side wall and the outdoor side wall standing from both sides of the bottom wall is fitted to the eaves. When the eaves ridge fitted to the eaves fitting part is stretched as the temperature rises, a compressive force is applied to the joint body. In either case when the eaves fitted in the fitting part contracts as the temperature drops, and the tensile force acts on the joint body, the corner at the lower end of the joint body side of the joint body The stress generated in the portion is almost evenly distributed in the corners, so that no cracks are generated or broken.
In addition, since the side wall height position of the corner portion of the joint corner of the joint body is made lower than the both side portions, in the case of a large eaves, attach the eaves hanger to the protruding corner of the roof, When the joint body is suspended by the eaves rod suspension tool, the arm portion of the eaves rod suspension tool can be hung, and the corners of the joint corner and the entry corner portion can be suspended.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
One embodiment of the present invention will be described in detail with reference to FIGS.
1 is an exploded explanatory view of a bent joint, FIG. 2 is a side view of the bent joint, FIG. 3 is a cross-sectional view taken along the line DD of FIG. 1, and FIG. 4 is a bent joint with a bent joint joint. It is explanatory drawing which shows the state which is hung.
[0014]
1 and 2, reference numeral 1 is a bent joint made of synthetic resin (vinyl chloride resin). The bent joint 1 has an approximately L-shaped plane, with the outdoor side wall being substantially divided into two at the center. It is formed into a shape. This bent joint 1 has a joint body 11 provided with an eave hook fitting portion 12 capable of fitting an eave hook 5 at both ends, a connection member 3, and a presser piece 16 at the upper end of both ends. The upper wall portion 8, the eaves hook locking portion 18, and the presser piece 16 provided at the upper end portion of the indoor side wall of the eaves hook fitting portion 12 at both ends.
[0015]
The joint body 11 has a substantially U-shaped cross-section in the vertical direction at the lower wall portion 9 of the outdoor side wall, the indoor side wall, and the bottom surface. An attachment portion 31 for a connection member 3 (described later) is provided at the corner side end of the lower wall portion 9. The entrance corner 13 of the joint body 11 is formed by a side wall that swells toward the exit corner 15. As shown in FIG. 2, the vicinity of the corner portion of the corner portion 13 of the joint body 11 is made one step lower. The arm portion of the bent saddle joint suspension 7 is passed through the lower portion.
[0016]
The presser pieces 16 are provided inwardly at the upper end portions of the indoor side walls at the ends of the eaves fitting portions 12 at both ends. An eaves hook locking portion 18 is provided at the back of the eaves hook fitting portion 12 at both ends. The corners of the bottom and side walls of the lower end of the eaves hook fitting portion 12 at both ends are substantially the same shape as the corners of the lower end of the eaves 5 and are angular. The curvature radius of this corner portion is about 8 mm. The end of the eaves ridge 5 is inserted into the eave ridge locking portion 18 at the back of the eaves ridge fitting portion 12, and the indoor side ear portion (not shown) of the eave ridge 5 is pressed down with the presser piece 16, The eaves 5 is connected to 1.
[0017]
The corner portion between the bottom portion and the side wall of the lower end portion of the joint corner portion 13 of the joint body 11 is formed in an arc shape, the radius of curvature of the corner portion is about 23 mm, and the curvature of the lower end corner portion of the eaves hook fitting portion 12 is made. It is made larger than the radius.
[0018]
As shown in FIGS. 1 and 3, the connecting member 3 is formed in a substantially L-shaped planar shape, the vertical cross-sectional shape is a horizontal fishhook shape, and has an insertion port 34 at one end and a downward direction. Two convex portions 32 and 33 are provided so that the insertion port 34 faces the outdoor direction, and the two convex portions 32 and 33 can be pushed into the attachment portion 31 of the joint body 11. It is made like that. The entrance 34 is narrower than the back.
[0019]
As shown in FIGS. 1 and 2, the upper wall portion 8 is formed in a substantially L-shaped planar shape, the vertical cross-sectional shape is substantially L-shaped, the upper end portion is bent in the indoor side direction, A presser piece 16 is provided at the upper end of the. In both directions near the corner portion of the lower end portion, an insertion portion 81 having a length substantially the same as the length of the substantially L-shaped planar shape of the connection member 3 is provided toward the indoor side direction. It can be pushed and locked into the insertion port 34 of the member 3.
[0020]
Next, the attachment method and operation of the bending joint 1 will be described.
First, the connecting member 3 is attached to the joint body 11 by pushing the two convex portions 32 and 33 into the attachment part 31 of the joint body 11 so that the insertion port 34 of the connection member 3 faces the outdoor direction.
[0021]
Next, in the eaves corner of the eaves edge, the eaves hook engaging part of one eaves hook fitting part 12 of the joint body 11 in which the connecting member 3 is attached to one end part of the eaves hook 5 constructed on one eaves edge. 18 is connected. Next, the eaves hook locking part 18 of the other eaves hook fitting part 12 of the joint body 11 to which the connecting member 3 is attached is connected to one end part of the eaves hook 5 constructed on the other eaves edge.
[0022]
Next, the insertion portion 81 at the lower end portion of the upper wall portion 8 is pushed into the insertion port 34 of the connection member 3, the upper wall portion 8 is attached to the connection member 3, and the upper end portions at both ends of the upper wall portion 8 are attached. The presser piece 16 holds the outdoor side ear (not shown) of the eaves cage 5. The upper wall portion 8 and the lower wall portion 9 of the joint body 11 are connected via the connection member 3, and the bent joint 1 is connected to the eaves 5 and 5.
[0023]
Next, the bent joint hanging tool 7 is attached to the corner portion of the protruding corner of the eaves, the outdoor ear part of the bent joint 1 is held by the outdoor side ear holding part of the bent joint hanging tool 7, and the bent joint 1 is held by the indoor side ear holding part. Hold the indoor ear.
[0024]
If it does in this way, since the curvature radius of the lower end corner part of the corner 13 of the joint main body 11 is made larger than the curvature radius of the lower end corner part of the eaves fitting part 12, it fits into the eaves fitting part 12. When the compressed eaves 5 are stretched as the temperature rises, a compressive force is applied to the joint body, and the eaves 5 fitted to the eaves fitting 12 contracts as the temperature falls. In any case when a tensile force is applied to the joint body 11 by this, the stress generated in the corner portion at the lower end portion on the corner portion 13 side of the joint body 11 is distributed almost evenly in the corner portion, There is no cracking or destruction.
[0025]
Although one embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. Included in the invention. For example, as shown in FIG. 5, the opening of the U-shaped member is attached to the upper end of the outer surface of the side wall of the joint corner 13 of the joint body 11 to form a locking portion, and as shown in FIG. The shape of 2 is a horizontal T-shaped member composed of two cross members 21 and a vertical member 22, and a slit 24 is provided in the substantially central portion of the vertical member 22, and the upper end of the vertical member 22 is formed in an arrow shape. If the upper end of the vertical member 22 is pressed from both sides to reduce the width of the vertical member 22 and inserted into the locking portion 14 of the U-shaped member, and the presser from both is removed, the upper end of the vertical member 22 The portion can be locked by hooking the locking portion 14 of the U-shaped member with an arrow shape.
[0026]
In this way, since the gap holding member 2 can be provided on the outer surface of the side wall of the corner 13 of the joint body 11, when the eaves 5 and the bent joint 1 are attached to the eaves, the bent joint 1 and the nose cover plate The bending joint 1 does not come into contact with the nose cover plate 6 due to the expansion and contraction of the eaves rod 5, and the bending joint 1 hits the nose cover plate 6 to cause cracks or breakage. There is nothing to do.
[0027]
Furthermore, since a locking portion 14 for locking the gap holding member 2 is provided on the side wall of the corner 13 of the joint body 11, the gap holding member 2 can be held by locking the gap holding member 2 with the locking portion 14. The member 2 is not displaced, and the gap holding member 2 can be positioned properly.
[0028]
【The invention's effect】
As described above, in the first aspect of the invention, the curvature of the lower corner portion of the corner of the joint body formed by the bottom wall and the indoor side wall and the outdoor side wall standing from both sides of the bottom wall. Since the radius is larger than the radius of curvature of the lower corner portion of the eaves fitting part, the eaves fitted to the eaves fitting part expands as the temperature rises, so the joint body has a compressive force. The joint corner of the joint body in both cases when it acts and when the tensile force acts on the joint body by the shrinkage of the eaves mated with the eaves mating part as the temperature drops The stress generated in the corner portion at the lower end on the side is almost evenly distributed in the entering corner portion, so that the crack does not occur or break.
In addition, since the side wall height position of the corner part of the joint corner of the joint body is made lower than the parts on both sides, in the case of a large eaves, attach the eaves hanger to the protruding corner of the roof, When the joint body is suspended by the eaves rod suspension tool, the arm portion of the eaves rod suspension tool can be hung, and the corners of the joint corner and the entry corner portion can be suspended.
[Brief description of the drawings]
FIG. 1 is an exploded explanatory view of a bent joint.
FIG. 2 is a side view of a bent joint.
3 is a cross-sectional view of the connection member of FIG.
FIG. 4 is an explanatory view showing a state in which a bent hook joint is suspended by a bent hook joint suspension;
FIG. 5 is an explanatory view showing a state in which a locking portion is provided on the outer surface of the side wall of the joint corner of the joint body.
FIG. 6 is a perspective view of a gap holding member.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Curved saddle joint 11 Joint main body 12 Eaves hook fitting part 13 Entrance corner part 14 Locking part 15 Outlet corner part 16 Presser piece 18 Eaves hook locking part 31 Attachment part 3 Connection member 34 Insertion port 5 Eaves hook 6 Nose cover Plate 7 Curved joint fitting hanging tool 8 Upper wall part 81 Insertion part 9 Lower wall part

Claims

The joint body is formed in a substantially L-shaped planar shape and is provided with eaves hook-fitting portions that can be fitted with eaves hooks at both ends. In bent joints formed with walls bulging
The joint body comprises a bottom wall, is formed by the indoor side and outdoor side sidewall erected from both sides of the bottom wall, the lower end corner portion curvature radius of the lower end corner portions of the inner corner portion of the eaves gutter fitting portion of its And a height of the side wall of the corner portion of the joint corner of the joint body is set lower than that of both sides thereof .