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JP6730711B2 - Roof hardware and its mounting method - Google Patents

Roof hardware and its mounting method Download PDF

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JP6730711B2
JP6730711B2 JP2017161475A JP2017161475A JP6730711B2 JP 6730711 B2 JP6730711 B2 JP 6730711B2 JP 2017161475 A JP2017161475 A JP 2017161475A JP 2017161475 A JP2017161475 A JP 2017161475A JP 6730711 B2 JP6730711 B2 JP 6730711B2
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fixing member
roof
plate
metal fitting
bolt
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JP2019039203A (en
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登喜夫 大野
登喜夫 大野
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株式会社大野板金
登喜夫 大野
登喜夫 大野
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Description

本発明は、屋根材を躯体に取り付けるために用いられる屋根金物及びその取り付け方法に関する。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof metal fitting used for mounting a roofing material to a body and a mounting method thereof.

従来、梁材として用いられるC型チャンネルに折板屋根を取り付ける外装用取付部材が知られている。この外装用取付部材は、折板屋根を支持する脚部と、脚部の下端に設けられて梁材上に着地部を着地させる本体と、着地部上に重ねて一端縁を梁材の外側へ延在させた上側固定具と、梁材を下方から包持して一端縁を梁材の外側へ延在させた下側固定具とを備える。上側固定具及び下側固定具の他端は折り曲げられて、C型チャンネルの開口又は角に引っかけられる。そして、上側固定具と下側固定具との各一端縁をボルトにて締め付けることにより、着地部が梁材に押し当てられ、これにより外装材用取付部材が梁材に取り付けられる(特許文献1参照)。 Conventionally, an exterior mounting member for mounting a folded plate roof on a C-shaped channel used as a beam is known. The exterior mounting member includes a leg portion that supports the folded plate roof, a main body that is provided at the lower end of the leg portion to land the landing portion on the beam member, and overlaps the landing portion with one end edge of the beam member outside. An upper fixing tool extending to the lower part and a lower fixing tool wrapping the beam member from below and extending one end edge to the outside of the beam member. The other ends of the upper and lower fixtures are bent and hooked into the openings or corners of the C-shaped channel. Then, the landing portion is pressed against the beam member by tightening each one end edge of the upper fixing tool and the lower fixing tool with a bolt, thereby attaching the exterior material mounting member to the beam material (Patent Document 1). reference).

特開2010−90672号公報JP, 2010-90672, A

折板屋根を、風が強い地域に立てられる建築物、あるいは壁がない建築物の屋根として用いる場合、屋根金物が比較的大きな風荷重に耐えうることが求められる。しかしながら、従来のように、上側固定具及び下側固定具の他端を折り曲げて、C型チャンネルの開口又は角に引っかける構成では、屋根金物が大きな風荷重に十分に耐えられないおそれがある。 When a folded plate roof is used as a roof of a building that is built in a windy area or a structure without walls, it is required that the roof metal fittings can withstand a relatively large wind load. However, as in the conventional structure, the other end of the upper fixture and the lower fixture is bent and hooked at the opening or corner of the C-shaped channel, the roof metal fitting may not be able to withstand a large wind load.

本発明は、これらの課題に鑑みてなされたものであり、強度を確保しながら確実に梁材に固定可能な屋根金物及びその取り付け方法を得ることを目的とする。 The present invention has been made in view of these problems, and an object of the present invention is to obtain a roof metal product that can be reliably fixed to a beam member while securing strength, and a method for mounting the roof metal product.

本願第1の発明による屋根金物は、梁材の上方に設けられる第1の固定部材と、梁材の下方及び側方に設けられる第2の固定部材とを備え、第1の固定部材は、梁材を上方から見たとき、梁材の側方両側に各々突出する第1及び第2の突出部を有し、第2の固定部材は、梁材の下方及び側方を覆いながら第1の突出部及び第2の突出部に固定されることを特徴とする。 The roof metal fitting according to the first invention of the present application includes a first fixing member provided above the beam member and second fixing members provided below and to the side of the beam member, and the first fixing member is When the beam is viewed from above, it has first and second projecting portions that project to both sides of the beam, respectively, and the second fixing member covers the lower and side of the beam to the first side. It is fixed to the protrusion and the second protrusion.

第2の固定部材は、矩形の板状部材を梁材の形状に沿って折り曲げて形成され、第2の固定部材の両端部は、第1の突出部及び第2の突出部に密着するように各々形成されることが好ましい。 The second fixing member is formed by bending a rectangular plate member along the shape of the beam, and both ends of the second fixing member are in close contact with the first projecting portion and the second projecting portion. It is preferable that they are formed respectively.

第2の固定部材の両端部、第1の突出部、及び第2の突出部には貫通孔が各々形成され、第2の固定部材の一端部の貫通孔と第1の突出部の貫通孔とにボルトが挿入されてナットで固定され、第2の固定部材の他端部の貫通孔と第2の突出部の貫通孔とにボルトが挿入されてナットで固定されることが好ましい。 Through holes are formed in both ends of the second fixing member, the first projecting portion, and the second projecting portion, respectively, and a through hole at one end of the second fixing member and a through hole of the first projecting portion are formed. It is preferable that a bolt be inserted into and be fixed with a nut, and that the bolt be inserted into the through hole of the other end portion of the second fixing member and the through hole of the second protruding portion and be fixed with the nut.

第1の固定部材は、梁材の頂面に設けられる矩形の板部と、板部において第1の突出部から第2の突出部まで延び、板部の縁から上方に突出する折曲部とを備えることが好ましい。 The first fixing member includes a rectangular plate portion provided on the top surface of the beam member, and a bent portion that extends from the first projecting portion to the second projecting portion in the plate portion and projects upward from the edge of the plate portion. And preferably.

第1の固定部材から上方に突出する折板支持部をさらに備えることが好ましい。 It is preferable to further include a folding plate support portion projecting upward from the first fixing member.

本願第1の発明による方法は、前記屋根金物を梁材に取り付ける方法であって、第1の固定部材を梁材の頂面に置くステップと、第2の固定部材を梁材の下方から梁材を包持させるステップと、第1及び第2の突出部を第2の固定部材に固定するステップとを備えることを特徴とする。 A method according to the first invention of the present application is a method of attaching the roof metal fittings to a beam member, comprising: placing a first fixing member on a top surface of the beam member; and placing a second fixing member from below the beam member. It is characterized by including a step of wrapping the material and a step of fixing the first and second protrusions to the second fixing member.

本発明によれば、強度を確保しながら確実に梁材に固定可能な屋根金物及びその取り付け方法を得る。 ADVANTAGE OF THE INVENTION According to this invention, the roof metal fitting which can be reliably fixed to a beam material, ensuring strength, and its mounting method are obtained.

本発明に係る第1の実施形態による屋根金物を備える屋根構造の縦断面図である。1 is a vertical cross-sectional view of a roof structure including a roof metal fitting according to a first embodiment of the present invention. 屋根金物の側面図である。It is a side view of a roof metal object. 第2の実施形態による屋根金物を備える屋根構造の縦断面図である。It is a longitudinal cross-sectional view of the roof structure provided with the roof metal fittings by 2nd Embodiment. 屋根金物の側面図である。It is a side view of a roof metal object. 第3の実施形態による屋根金物を備える屋根構造の縦断面図である。It is a longitudinal cross-sectional view of the roof structure provided with the roof metal fittings by 3rd Embodiment. 屋根金物の側面図である。It is a side view of a roof metal object. 比較例による屋根金物を備える屋根構造の縦断面図である。It is a longitudinal cross-sectional view of the roof structure provided with the roof metal fittings by a comparative example. 比較例による屋根金物の側面図である。It is a side view of the roof metal fittings by a comparative example. 実施例による引張試験の結果を示すグラフである。It is a graph which shows the result of the tension test by an Example. 比較例による引張試験の結果を示すグラフである。It is a graph which shows the result of the tensile test by a comparative example.

以下、図1及び2を参照して、本発明の第1の実施形態による第1の屋根金物100について説明する。図1は、屋根構造10に取り付けられた第1の屋根金物100を示す。以下、図1及び2においてZ軸方向を高さ方向という。 Hereinafter, with reference to FIGS. 1 and 2, a first roof hardware 100 according to a first embodiment of the present invention will be described. FIG. 1 shows a first roof hardware 100 attached to a roof structure 10. Hereinafter, the Z-axis direction in FIGS. 1 and 2 is referred to as the height direction.

屋根構造10は、C型チャンネル11と、折板屋根12と、第1の屋根金物100とを主に備える。C型チャンネル11は、その長手方向に直交する断面においてC字型形状を有する形鋼であって、図示されない柱によって地面又は床スラブ等から所定の高さに支持され、梁材として機能する。折板屋根12は、嵌合式折板13と、吊子14と、キャップ15とを主に備える。嵌合式折板13は、アルミニウム・亜鉛めっき鋼板(ガルバリウム鋼板(登録商標))から成る板状部材を波形に折り曲げて形成される。吊子14は、アルミニウム・亜鉛めっき鋼板から成る板状部材を凹型に折り曲げて形成されるとともに、その底部に貫通孔を備える。キャップ15は、アルミニウム・亜鉛めっき鋼板から成る板状部材を略山形となるように折り曲げて形成される。 The roof structure 10 mainly includes a C-shaped channel 11, a folded plate roof 12, and a first roof metal fitting 100. The C-shaped channel 11 is a shaped steel having a C-shape in a cross section orthogonal to its longitudinal direction, and is supported at a predetermined height from the ground or floor slab by a column (not shown) and functions as a beam. The folding plate roof 12 mainly includes a fitting-type folding plate 13, a hanger 14, and a cap 15. The fitting-type folding plate 13 is formed by bending a plate-shaped member made of an aluminum/galvanized steel plate (Galvalume Steel plate (registered trademark)) into a corrugated shape. The suspension 14 is formed by bending a plate-shaped member made of an aluminum/galvanized steel sheet into a concave shape, and has a through hole at the bottom thereof. The cap 15 is formed by bending a plate member made of an aluminum/zinc plated steel plate into a substantially mountain shape.

第1の屋根金物100は、第1の上側固定部材110(第1の固定部材)と、第1の下側固定部材140(第2の固定部材)と、第1の折板支持部170とを主に備える。 The first roof hardware 100 includes a first upper fixing member 110 (first fixing member), a first lower fixing member 140 (second fixing member), and a first folding plate supporting portion 170. Mainly equipped with.

第1の上側固定部材110は、厚みを有する長方形の平板において、互いに平行な2つの長縁を同じ方向に直角に折り曲げて形成される。折り曲げられた縁を第1の折曲部111及び第2の折曲部112といい、第1の折曲部111及び第2の折曲部112に挟まれる部位を第1の底部(矩形の板部)113という。図1において、Z軸方向における第1の折曲部111及び第2の折曲部112の長さは等しい。第1の底部113におけるY軸方向の端部、すなわち図2においてC型チャンネル11よりもY軸正方向に位置する部位が第1の突出部117を成し、Y軸負方向に位置する部位が第2の突出部118を成す。第1の突出部117及び第2の突出部118は、その厚さ方向すなわちZ軸方向に貫通するボルト孔(貫通孔)114、115を各々備える。ボルト孔114、115の中心軸は、X軸方向における第1の突出部117及び第2の突出部118の長さを二等分する位置に各々設けられる。 The first upper fixing member 110 is formed by bending two long edges parallel to each other at right angles in the same direction on a rectangular flat plate having a thickness. The bent edges are referred to as a first bent portion 111 and a second bent portion 112, and a portion sandwiched between the first bent portion 111 and the second bent portion 112 is a first bottom portion (rectangular shape). Plate part) 113. In FIG. 1, the lengths of the first bent portion 111 and the second bent portion 112 in the Z-axis direction are equal. An end of the first bottom portion 113 in the Y-axis direction, that is, a portion located in the Y-axis positive direction with respect to the C-shaped channel 11 in FIG. 2 forms the first protrusion 117, and a portion located in the Y-axis negative direction. Form the second protrusion 118. The first projecting portion 117 and the second projecting portion 118 are respectively provided with bolt holes (through holes) 114 and 115 penetrating in the thickness direction, that is, the Z-axis direction. The central axes of the bolt holes 114 and 115 are respectively provided at positions that bisect the lengths of the first protrusion 117 and the second protrusion 118 in the X-axis direction.

第1の下側固定部材140は、厚みを有する長方形の平板において、互いに平行な2つの短縁を、同じ方向に直角に各々1回、次に反対方向に直角に各々1回折り曲げて形成される。すなわち、第1の下側固定部材140は、C型チャンネル11の形状に沿って折り曲げて形成される。折り曲げられた縁部分を第1の端部141及び第2の端部142といい、第1の端部141及び第2の端部142に各々隣接する部位を、第1の側部143及び第2の側部144といい、第1の側部143と第2の側部144とに挟まれる部位を第2の底部145という。Y軸方向における第1の端部141及び第2の端部142の長さは等しい。Z軸方向における第1の側部143及び第2の側部144の長さは等しく、かつZ軸方向におけるC型チャンネル11の長さと等しいか、あるいはわずかに長い。また、Y軸方向における第1の端部141と第2の端部142との距離は、Y軸方向におけるC型チャンネル11の長さと等しいか、あるいはわずかに長い。第1の端部141及び第2の端部142は、厚さ方向すなわちZ軸方向に貫通するボルト孔(貫通孔)147、148を備える。ボルト孔147、148の中心軸は、X軸方向において第1の端部141及び第2の端部142の長さを二等分する位置に設けられる。ボルト孔147、148の直径は、ボルト孔114、115の直径と同じである。 The first lower fixing member 140 is formed on a rectangular flat plate having a thickness by bending two short edges parallel to each other once at a right angle in the same direction and once at a right angle in the opposite direction. It That is, the first lower fixing member 140 is formed by bending along the shape of the C-shaped channel 11. The bent edge portions are referred to as a first end portion 141 and a second end portion 142, and portions adjacent to the first end portion 141 and the second end portion 142 are referred to as a first side portion 143 and a first end portion 143, respectively. The second side part 144 is referred to as the second side part 144, and the part sandwiched between the first side part 143 and the second side part 144 is referred to as the second bottom part 145. The lengths of the first end 141 and the second end 142 in the Y-axis direction are equal. The lengths of the first side portion 143 and the second side portion 144 in the Z-axis direction are equal and equal to or slightly longer than the length of the C-shaped channel 11 in the Z-axis direction. Further, the distance between the first end 141 and the second end 142 in the Y-axis direction is equal to or slightly longer than the length of the C-shaped channel 11 in the Y-axis direction. The first end portion 141 and the second end portion 142 are provided with bolt holes (through holes) 147 and 148 penetrating in the thickness direction, that is, the Z-axis direction. The central axes of the bolt holes 147 and 148 are provided at positions that bisect the lengths of the first end portion 141 and the second end portion 142 in the X-axis direction. The diameter of the bolt holes 147 and 148 is the same as the diameter of the bolt holes 114 and 115.

第1の折板支持部170は、厚みを有する長方形の平板において、互いに平行な2つの短縁を、同じ方向に直角に各々1回、次に反対方向に直角に各々1回折り曲げて形成される。折り曲げられた縁部分を第1の支持端部171及び第2の支持端部172といい、第1の支持端部171及び第2の支持端部172に各々隣接する部位を、第1の支持側部173及び第2の支持側部174といい、第1の支持側部173と第2の支持側部174とに挟まれる部位を支持頂部175という。X軸方向における第1の支持端部171及び第2の支持端部172の長さは等しく、Z軸方向における第1の支持側部173と第2の支持側部174の長さは等しい。また、X軸方向における第1の折板支持部170の長さは、第1の折曲部111と第2の折曲部112との距離と等しいか、あるいはわずかに長い。支持頂部175は、厚さ方向に貫通する孔を有する。第1の支持側部173及び第2の支持側部174側からこの孔にボルト176aが挿入され、ボルト176aの頭が支持頂部175に溶接され、第1の折板支持部170にボルト176aが固定される。第1の折板支持部170は、第1の支持端部171及び第2の支持端部172の底面が第1の底部113の頂面と密着するように第1の上側固定部材110に置かれる。第1の支持端部171及び第2の支持端部172においてX軸方向と平行な縁が、第1の底部113の頂面に溶接され、これにより、第1の折板支持部170が第1の上側固定部材110に固定される。 The first folded plate supporting portion 170 is formed by bending two short edges parallel to each other once in the same direction at right angles and then in opposite directions at right angles in a rectangular flat plate having a thickness. It The bent edge portions are referred to as a first support end portion 171 and a second support end portion 172, and portions adjacent to the first support end portion 171 and the second support end portion 172 are referred to as the first support end portion 171 and the second support end portion 172, respectively. The side part 173 and the second support side part 174 are referred to as a part, and the part sandwiched between the first support side part 173 and the second support side part 174 is referred to as a support top part 175. The first support end 171 and the second support end 172 have the same length in the X-axis direction, and the first support side 173 and the second support side 174 have the same length in the Z-axis direction. Further, the length of the first folded plate support portion 170 in the X-axis direction is equal to or slightly longer than the distance between the first bent portion 111 and the second bent portion 112. The support top portion 175 has a hole penetrating in the thickness direction. A bolt 176a is inserted into this hole from the first support side portion 173 and the second support side portion 174 side, the head of the bolt 176a is welded to the support top portion 175, and the bolt 176a is attached to the first folded plate support portion 170. Fixed. The first folded plate support portion 170 is placed on the first upper fixing member 110 such that the bottom surfaces of the first support end portion 171 and the second support end portion 172 are in close contact with the top surface of the first bottom portion 113. Get burned. Edges parallel to the X-axis direction at the first support end 171 and the second support end 172 are welded to the top surface of the first bottom 113, whereby the first folded plate support 170 is moved to the first support end 170. 1 is fixed to the upper fixing member 110.

次に、第1の屋根金物100を用いて、C型チャンネル11に折板屋根12を取り付ける手順について説明する。 Next, a procedure for attaching the folded plate roof 12 to the C-shaped channel 11 using the first roof metal fitting 100 will be described.

まず、C型チャンネル11に第1の屋根金物100を取り付ける手順について説明する。C型チャンネル11の頂面11a、すなわちZ軸方向に対して最上面に第1の上側固定部材110の第1の底部113が置かれる。図2を参照すると、このとき、第1の突出部117と第2の突出部118は、C型チャンネル11からY軸方向に対して同じ長さだけ突出する。すなわち、第1の突出部117と第2の突出部118は、C型チャンネル11を上方、つまりZ軸正方向から負方向に向かって見たとき、C型チャンネル11の側方両側に各々突出する。 First, the procedure for attaching the first roof metal fitting 100 to the C-shaped channel 11 will be described. The first bottom 113 of the first upper fixing member 110 is placed on the top surface 11a of the C-shaped channel 11, that is, the uppermost surface in the Z-axis direction. Referring to FIG. 2, at this time, the first protrusion 117 and the second protrusion 118 protrude from the C-shaped channel 11 by the same length in the Y-axis direction. That is, the first protruding portion 117 and the second protruding portion 118 respectively project to both sides of the C-shaped channel 11 when the C-shaped channel 11 is viewed from above, that is, from the Z axis positive direction to the negative direction. To do.

次に、C型チャンネル11の底面11d、すなわちZ軸方向に対して最下面から、第1の下側固定部材140がC型チャンネル11の底面11d及び両側面11b、11cを覆うように設置される。前述のように、Z軸方向における第1の側部143及び第2の側部144の長さは、Z軸方向におけるC型チャンネル11の長さと等しいか、あるいはわずかに長く、Y軸方向における第1の端部141と第2の端部142との距離は、Y軸方向におけるC型チャンネル11の長さと等しいか、あるいはわずかに長いため、第1の側部143がC型チャンネル11の側面11bと密着し、第2の底部145がC型チャンネル11の底面11dと密着し、第2の側部144がC型チャンネル11の側面11dと密着する。すなわち、C型チャンネル11が第1の下側固定部材140の内周側に納められる。 Next, the first lower fixing member 140 is installed so as to cover the bottom surface 11d of the C-shaped channel 11 and both side surfaces 11b and 11c from the bottom surface 11d of the C-shaped channel 11, that is, the lowermost surface in the Z-axis direction. It As described above, the lengths of the first side portion 143 and the second side portion 144 in the Z-axis direction are equal to or slightly longer than the length of the C-shaped channel 11 in the Z-axis direction, and in the Y-axis direction. The distance between the first end 141 and the second end 142 is equal to or slightly longer than the length of the C-shaped channel 11 in the Y-axis direction. The second bottom portion 145 is in close contact with the side surface 11b, the second bottom portion 145 is in close contact with the bottom surface 11d of the C-shaped channel 11, and the second side portion 144 is in close contact with the side surface 11d of the C-shaped channel 11. That is, the C-shaped channel 11 is housed inside the first lower fixing member 140.

第1の端部141の一面が第1の突出部117と密着し、第2の端部142の一面が第2の突出部118と密着し、ボルト孔147がボルト孔114と同軸となり、ボルト孔148がボルト孔115と同軸となる。そして、ボルト孔147からボルト孔114にボルト151aを挿入して、ボルト孔114から突出したボルト151aにダブルナット151bをねじ込み、締結する。また、ボルト孔148からボルト孔115にボルト152aを挿入して、ボルト孔115から突出したボルト152aにダブルナット152bをねじ込み、締結する。これにより、第1の下側固定部材が、C型チャンネル11の下方及び側方を覆いながら第1の突出部117及び第2の突出部118に固定され、第1の屋根金物100がC型チャンネル11に固定される。 One surface of the first end portion 141 is in close contact with the first protruding portion 117, one surface of the second end portion 142 is in close contact with the second protruding portion 118, and the bolt hole 147 is coaxial with the bolt hole 114. The hole 148 is coaxial with the bolt hole 115. Then, the bolt 151a is inserted from the bolt hole 147 into the bolt hole 114, and the double nut 151b is screwed into the bolt 151a protruding from the bolt hole 114 and fastened. Further, the bolt 152a is inserted from the bolt hole 148 into the bolt hole 115, and the double nut 152b is screwed into the bolt 152a protruding from the bolt hole 115 and fastened. As a result, the first lower fixing member is fixed to the first projecting portion 117 and the second projecting portion 118 while covering the lower side and the lateral side of the C-shaped channel 11, and the first roof fitting 100 is C-shaped. It is fixed to channel 11.

次に、折板屋根12を第1の屋根金物100に取り付ける手順について説明する。まず、吊子14の貫通孔にボルト176aが貫通するように、支持頂部175の頂面に吊子14が置かれる。そして、貫通孔から突出したボルト176aにナット及びワッシャ176bをねじ込み、締結する。これにより、吊子14が第1の屋根金物100に固定される。そして、上方から吊子14に嵌合式折板13をかぶせるように取り付け、さらにその上方からキャップ15をかぶせ、所定の圧力でキャップ15を嵌合式折板13を介して吊子14に押しつける。これにより、キャップ15が嵌合式折板13を挟んで吊子14と嵌合し、折板屋根12が第1の屋根金物100に取り付けられる。 Next, a procedure for attaching the folded plate roof 12 to the first roof hardware 100 will be described. First, the suspension 14 is placed on the top surface of the support top 175 so that the bolt 176 a penetrates the through hole of the suspension 14. Then, the nut and washer 176b are screwed into and fastened to the bolt 176a protruding from the through hole. Thereby, the suspension 14 is fixed to the first roof hardware 100. Then, the fitting type folding plate 13 is attached so as to cover the hanger 14 from above, the cap 15 is further covered from above, and the cap 15 is pressed against the hanger 14 via the fitting type folding plate 13 with a predetermined pressure. As a result, the cap 15 is fitted to the hanger 14 with the fitting-type folding plate 13 interposed therebetween, and the folding plate roof 12 is attached to the first roof hardware 100.

一般に、風が強い地域に立てられる建築物あるいは壁がない建築物に用いられる折板屋根には、折板屋根を梁材から引きはがすような力が加わる。そのため、このような建築物に用いられる屋根金物には、大きな力に耐えうることが求められる。本実施形態による第1の屋根金物100は、C型チャンネル11に取り付けられた状態において、第1の上側固定部材110と第1の下側固定部材140とが、C型チャンネル11を全周に渡って保持する。そのため、折板屋根12をC型チャンネル11から引きはがすような力が加わっても、第1の端部141と第1の突出部117とが密着し、かつボルト151aとダブルナット151bとによって密着固定されること、及び第2の端部142と第2の突出部118とが密着し、かつボルト152aとダブルナット152bとによって密着固定されることにより、第1の上側固定部材110と第1の下側固定部材140とが分離しにくくなって、大きな力に耐えることができる。また、第1の折曲部111及び第2の折曲部112が第1の底部113から上方に突出するため、第1の上側固定部材110は、X軸回りのモーメント力に対して抵抗可能であって、これによりX軸回りに曲げられにくくなる。 In general, a folded plate roof used for a building standing in a windy area or a building without walls is subjected to a force of peeling the folded plate roof from a beam member. Therefore, roof metal fittings used for such buildings are required to withstand a large force. In the first roof metal fitting 100 according to the present embodiment, the first upper fixing member 110 and the first lower fixing member 140 are attached to the C-shaped channel 11 so that the C-shaped channel 11 is surrounded by the first upper fixing member 110 and the first lower fixing member 140. Hold across. Therefore, even if a force for peeling the folded-plate roof 12 from the C-shaped channel 11 is applied, the first end 141 and the first protrusion 117 are in close contact with each other, and the bolt 151a and the double nut 151b are in close contact with each other. The first upper fixing member 110 and the first upper fixing member 110 are fixed by being fixed, and the second end portion 142 and the second projecting portion 118 are in close contact with each other and the bolt 152a and the double nut 152b are in close contact with each other. It becomes difficult to separate the lower fixing member 140 from the lower fixing member 140, and a large force can be endured. Moreover, since the first bent portion 111 and the second bent portion 112 project upward from the first bottom portion 113, the first upper fixing member 110 can resist the moment force about the X axis. Therefore, it becomes difficult to bend around the X axis.

なお、第1の屋根金物100が取り付けられる梁材はC型チャンネル11に限定されず、アングル材やその他、梁材として使用可能な鋼材であってもよい。この場合、第1の下側固定部材140の形状は、梁材の形状に応じて適宜変更されうる。また、第1の屋根金物100に取り付けられる折板は嵌合式折板に限定されず、ハゼ式折板、重ね式折板、又はその他の折板式屋根であってもよい。この場合、第1の折板支持部170の形状は、折板の取り付け手段に応じて適宜変更されうる。 The beam member to which the first roof metal fitting 100 is attached is not limited to the C-shaped channel 11 and may be an angle member or other steel members usable as the beam member. In this case, the shape of the first lower fixing member 140 can be appropriately changed according to the shape of the beam member. Further, the folding plate attached to the first roof metal fitting 100 is not limited to the fitting type folding plate, and may be a goby type folding plate, a stacking type folding plate, or another folding plate type roof. In this case, the shape of the first folded plate supporting portion 170 can be appropriately changed depending on the attachment means of the folded plate.

また、第1の上側固定部材110と第1の折板支持部170とは溶接以外の手段、例えば接着剤やボルト・ナット等によって接続されてもよい。ボルト176aは第1の折板支持部170に溶接されなくてもよい。 Further, the first upper fixing member 110 and the first folded plate supporting portion 170 may be connected by means other than welding, for example, an adhesive agent, a bolt/nut or the like. The bolt 176a may not be welded to the first folded plate support portion 170.

次に、図3及び4を用いて第2の実施形態による第2の屋根金物200について説明する。第1の実施形態と同様の構成については、同じ符号を付して説明を省略する。図3は、屋根構造20に取り付けられた第2の屋根金物200を示す。以下、図3及び4においてZ軸方向を高さ方向という。 Next, the second roof hardware 200 according to the second embodiment will be described with reference to FIGS. 3 and 4. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. FIG. 3 shows a second roof fitting 200 attached to the roof structure 20. Hereinafter, the Z-axis direction in FIGS. 3 and 4 is referred to as the height direction.

屋根構造20は、アングル材21と、折板屋根22と、第2の屋根金物200とを主に備える。アングル材21は、長手方向に直交する断面においてL字型形状を有する形鋼であって、図示されない柱によって地面から所定の高さに支持され、梁として機能する。折板屋根22は、ハゼ式折板23と、吊子24とを主に備える。ハゼ式折板23は、アルミニウム・亜鉛めっき鋼板から成る板状部材を波形に折り曲げて形成される。吊子24は、アルミニウム・亜鉛めっき鋼板から成る板状部材の両端部を反対方向に折り曲げて形成されるとともに、その折り曲げられた部位の1つに貫通孔を備える。 The roof structure 20 mainly includes an angle member 21, a folded plate roof 22, and a second roof metal fitting 200. The angle member 21 is a shaped steel having an L-shape in a cross section orthogonal to the longitudinal direction, is supported at a predetermined height from the ground by a column (not shown), and functions as a beam. The folding plate roof 22 mainly includes a goby-type folding plate 23 and a suspension 24. The goby-type folding plate 23 is formed by bending a plate-shaped member made of an aluminum/galvanized steel plate into a corrugated shape. The suspension 24 is formed by bending both ends of a plate-shaped member made of an aluminum/galvanized steel sheet in opposite directions, and has a through hole in one of the bent portions.

第2の屋根金物200は、第1の上側固定部材110と、第2の下側固定部材240と、第2の折板支持部270とを主に備える。第1の上側固定部材110の形状は、第1の実施形態と同様であるため、説明を省略する。 The second roof hardware 200 mainly includes a first upper fixing member 110, a second lower fixing member 240, and a second folded plate support portion 270. The shape of the first upper fixing member 110 is the same as that of the first embodiment, and thus the description thereof is omitted.

図4を参照すると、第2の下側固定部材240は、厚みを有する長方形の板から成り、この板における所定の位置で45度の角度で折り曲げられ、さらに互いに平行な2つの短縁を同一平面上に置かれるように各々折り曲げて形成される。折り曲げられた縁の先端部分を第21の端部241及び第22の端部242といい、第21の端部241及び第22の端部242に各々隣接する部位を、第21の側部243及び第22の側部244という。Y軸方向における第21の端部241及び第22の端部242の長さは等しく、Z軸方向における第21の側部243及び第22の側部244の長さは等しい。また、Y軸方向における第21の端部241と第22の端部242との距離は、Y軸方向におけるアングル材21の長さ、すなわちアングル材21の1辺の長さと等しいか、あるいはわずかに長い。第21の端部241及び第22の端部242は、厚さ方向すなわちZ軸方向に貫通するボルト孔247、248を備える。ボルト孔247、248の中心軸は、X軸方向において第21の端部241及び第22の端部242の長さを二等分する位置に設けられる。ボルト孔247、248の直径は、ボルト孔114、115の直径と同じである。 Referring to FIG. 4, the second lower fixing member 240 includes a rectangular plate having a thickness, is bent at a predetermined position on the plate at an angle of 45 degrees, and has two short edges parallel to each other. Each of them is formed by bending so as to be placed on a plane. The front end portions of the bent edges are referred to as a 21st end portion 241 and a 22nd end portion 242, and portions that are respectively adjacent to the 21st end portion 241 and the 22nd end portion 242 are referred to as 21st side portions 243. And the 22nd side 244. The 21st end 241 and the 22nd end 242 in the Y-axis direction have the same length, and the 21st side 243 and the 22nd side 244 have the same length in the Z-axis direction. The distance between the 21st end 241 and the 22nd end 242 in the Y-axis direction is equal to or slightly the length of the angle member 21 in the Y-axis direction, that is, the length of one side of the angle member 21. Long. The 21st end part 241 and the 22nd end part 242 are provided with bolt holes 247 and 248 which penetrate in the thickness direction, that is, the Z-axis direction. The central axes of the bolt holes 247 and 248 are provided at positions that bisect the lengths of the 21st end portion 241 and the 22nd end portion 242 in the X-axis direction. The diameter of the bolt holes 247 and 248 is the same as the diameter of the bolt holes 114 and 115.

第2の折板支持部270は、図3においてZ軸方向に対する長さが異なる2枚の板271、281から成る。板271は、Z軸方向に延びる基部272と、基部272の両端からX軸正方向に突出する端部273、274とを備え、これによりコ字型の断面を成す。基部272のZ軸方向長さは、端部273、274のX軸方向長さよりも長い。板281は、Z軸方向に延びる基部282と、基部282の両端からX軸負方向に突出する端部283、284とを備え、これによりコ字型の断面を成す。基部282のZ軸方向長さは、端部283、284のX軸方向長さよりも長く、基部272のZ軸方向長さよりも長い。板271と板281は、端部273、274と端部283、284とが反対方向に突出するように、基部272と基部282とを密着させて2本のピンで結合され、これにより第2の折板支持部270が形成される。X軸方向における端部274の先端から端部274の先端までの長さは、第1の折曲部111と第2の折曲部112との距離未満である。端部273は、厚さ方向に貫通する孔を有する。基部272側からこの孔にボルト276aが挿入され、ボルト276aの頭が端部273に溶接され、固定される。 The second folded plate support portion 270 is composed of two plates 271 and 281 having different lengths in the Z-axis direction in FIG. The plate 271 includes a base portion 272 extending in the Z-axis direction and end portions 273 and 274 protruding from both ends of the base portion 272 in the positive X-axis direction, thereby forming a U-shaped cross section. The length of the base portion 272 in the Z-axis direction is longer than the length of the end portions 273, 274 in the X-axis direction. The plate 281 includes a base portion 282 extending in the Z-axis direction and end portions 283 and 284 protruding from both ends of the base portion 282 in the negative X-axis direction, thereby forming a U-shaped cross section. The length of the base portion 282 in the Z-axis direction is longer than the length of the end portions 283, 284 in the X-axis direction and longer than the length of the base portion 272 in the Z-axis direction. The plate 271 and the plate 281 are closely joined to each other by the two pins so that the end portions 273, 274 and the end portions 283, 284 project in opposite directions, and thus the plates 271 and 281 are connected by the two pins. The folded plate support portion 270 is formed. The length from the tip of the end 274 to the tip of the end 274 in the X-axis direction is less than the distance between the first bent portion 111 and the second bent portion 112. The end portion 273 has a hole penetrating in the thickness direction. A bolt 276a is inserted into this hole from the base 272 side, and the head of the bolt 276a is welded and fixed to the end 273.

第2の折板支持部270は、端部274、284の底面が第1の底部113の頂面と密着するように第1の上側固定部材110に置かれる。端部274、284においてX軸方向と平行な縁が、第1の底部113の頂面に溶接され、これにより、第2の折板支持部270が第1の上側固定部材110に固定される。 The second folded plate support portion 270 is placed on the first upper fixing member 110 such that the bottom surfaces of the end portions 274 and 284 are in close contact with the top surface of the first bottom portion 113. Edges parallel to the X-axis direction at the end portions 274 and 284 are welded to the top surface of the first bottom portion 113, whereby the second folded plate support portion 270 is fixed to the first upper fixing member 110. ..

次に、第2の屋根金物200を用いて、アングル材21に折板屋根22を取り付ける手順について説明する。 Next, a procedure for attaching the folded plate roof 22 to the angle member 21 using the second roof metal fitting 200 will be described.

まず、アングル材21に第2の屋根金物200を取り付ける手順について説明する。アングル材21の頂面21a、すなわちZ軸方向に対して最上面に第1の上側固定部材110が置かれる。図4を参照すると、このとき、第1の突出部117と第2の突出部118は、アングル材21からY軸方向に対して同じ長さだけ突出する。次に、アングル材21の側面21bの先端、すなわちZ軸方向に対して最下部から、第2の下側固定部材240が側面21bを覆うように設置される。このとき、第21の端部241の一面が第1の突出部117と密着し、第22の端部242の一面が第2の突出部118と密着し、ボルト孔247がボルト孔114と同軸となり、ボルト孔248がボルト孔115と同軸となる。そして、ボルト孔247からボルト孔114にボルト151aを挿入して、ボルト孔114から突出したボルト151aにダブルナット151bをねじ込み、締結する。また、ボルト孔248からボルト孔115にボルト152aを挿入して、ボルト孔115から突出したボルト152aにダブルナット152bをねじ込み、締結する。これにより、第2の屋根金物200がアングル材21に固定される。 First, the procedure of attaching the second roof metal fitting 200 to the angle member 21 will be described. The first upper fixing member 110 is placed on the top surface 21a of the angle member 21, that is, the uppermost surface with respect to the Z-axis direction. Referring to FIG. 4, at this time, the first protrusion 117 and the second protrusion 118 protrude from the angle member 21 by the same length in the Y-axis direction. Next, the second lower fixing member 240 is installed so as to cover the side surface 21b from the tip of the side surface 21b of the angle member 21, that is, the lowermost portion in the Z-axis direction. At this time, one surface of the 21st end portion 241 is in close contact with the first protruding portion 117, one surface of the 22nd end portion 242 is in close contact with the second protruding portion 118, and the bolt hole 247 is coaxial with the bolt hole 114. Therefore, the bolt hole 248 is coaxial with the bolt hole 115. Then, the bolt 151a is inserted from the bolt hole 247 into the bolt hole 114, and the double nut 151b is screwed into the bolt 151a protruding from the bolt hole 114 and fastened. Further, the bolt 152a is inserted from the bolt hole 248 into the bolt hole 115, and the double nut 152b is screwed into the bolt 152a protruding from the bolt hole 115 to be fastened. As a result, the second roof hardware 200 is fixed to the angle member 21.

次に、折板屋根22を第2の屋根金物200に取り付ける手順について説明する。まず、吊子24の貫通孔にボルト276aが貫通するように、端部273の頂面に吊子24が置かれる。そして、貫通孔から突出したボルト276aにナット及びワッシャ276bをねじ込み、締結する。これにより、吊子24が第2の屋根金物200に固定される。そして、上方から吊子24にハゼ式折板23をかぶせるように取り付け、ハゼを吊子24とともに締め付ける。これにより、ハゼ式折板23が吊子24と嵌合し、折板屋根22が第2の屋根金物200に取り付けられる。 Next, a procedure for attaching the folded plate roof 22 to the second roof hardware 200 will be described. First, the hanger 24 is placed on the top surface of the end portion 273 so that the bolt 276a penetrates the through hole of the hanger 24. Then, the nut and washer 276b are screwed into and fastened to the bolt 276a protruding from the through hole. Thereby, the suspension 24 is fixed to the second roof hardware 200. Then, the goby-type folding plate 23 is attached so as to cover the hanger 24 from above, and the goby is tightened together with the hanger 24. As a result, the goby-type folded plate 23 is fitted to the hanger 24, and the folded plate roof 22 is attached to the second roof hardware 200.

第1の実施形態と同様に、本実施形態による第2の屋根金物200は、アングル材21に取り付けられた状態において、第1の上側固定部材210と第2の下側固定部材240とが、アングル材21を全周に渡って保持する。そのため、折板屋根22をアングル材21から引きはがすような力が加わっても、第21の端部241と第1の突出部117とが密着し、かつボルト151aとダブルナット151bとによって密着固定されること、及び第22の端部242と第2の突出部118とが密着し、かつボルト152aとダブルナット152bとによって密着固定されることにより、第1の上側固定部材110と第2の下側固定部材240とが分離しにくくなって、大きな力に耐えることができる。 As with the first embodiment, in the second roof hardware 200 according to the present embodiment, the first upper fixing member 210 and the second lower fixing member 240 in the state of being attached to the angle member 21, The angle member 21 is held over the entire circumference. Therefore, even if a force for peeling the folded plate roof 22 from the angle member 21 is applied, the 21st end portion 241 and the first protruding portion 117 are in close contact, and the bolt 151a and the double nut 151b are in close contact and fixed. The second end 242 and the second protrusion 118 are in close contact with each other, and the bolt 152a and the double nut 152b are in close contact with each other, so that the first upper fixing member 110 and the second upper fixing member 110 It becomes difficult to separate from the lower fixing member 240, and a large force can be endured.

なお、第2の屋根金物200が取り付けられる梁材はアングル材21に限定されず、C型チャンネルやその他、梁材として使用可能な鋼材であってもよい。この場合、第2の下側固定部材240の形状は、梁材の形状に応じて適宜変更されうる。また、第2の屋根金物200に取り付けられる折板はハゼ式折板23に限定されず、嵌合式折板、重ね式折板、又はその他の折板式屋根であってもよい。この場合、第2の下側固定部材240の形状は、折板の取り付け手段に応じて適宜変更されうる。 The beam member to which the second roof metal fitting 200 is attached is not limited to the angle member 21, and may be a C-shaped channel or other steel members usable as the beam member. In this case, the shape of the second lower fixing member 240 can be appropriately changed according to the shape of the beam member. The folding plate attached to the second roof metal fitting 200 is not limited to the goby-type folding plate 23, but may be a fitting-type folding plate, a stacking-type folding plate, or another folding-plate type roof. In this case, the shape of the second lower fixing member 240 can be appropriately changed according to the mounting means of the folding plate.

また、第1の上側固定部材110と第2の折板支持部270とは溶接以外の手段、例えば接着剤やボルト・ナット等によって接続されてもよい。 Further, the first upper fixing member 110 and the second folded plate support portion 270 may be connected by means other than welding, for example, an adhesive agent, a bolt/nut or the like.

次に、図5及び6を用いて第3の実施形態による第3の屋根金物300について説明する。第1及び第2の実施形態と同様の構成については、同じ符号を付して説明を省略する。図5は、屋根構造30に取り付けられた第3の屋根金物300を示す。以下、図5及び6においてZ軸方向を高さ方向という。 Next, the third roof hardware 300 according to the third embodiment will be described with reference to FIGS. 5 and 6. The same components as those in the first and second embodiments are designated by the same reference numerals and the description thereof will be omitted. FIG. 5 shows a third roof hardware 300 attached to the roof structure 30. Hereinafter, the Z-axis direction in FIGS. 5 and 6 is referred to as the height direction.

屋根構造30は、アングル材21と、折板屋根32と、第3の屋根金物300とを主に備える。アングル材21は、第2の実施形態と同様である。折板屋根22は、重ね式折板33と、ハイセット34とを主に備える。重ね式折板33は、アルミニウム・亜鉛めっき鋼板から成る板状部材を波形に折り曲げて形成される。ハイセット34は、樹脂等の弾性体から成る略円筒形のパッキンと、座金と、ナットとを備える。 The roof structure 30 mainly includes an angle member 21, a folded plate roof 32, and a third roof metal fitting 300. The angle member 21 is similar to that of the second embodiment. The folding plate roof 22 mainly includes a stacking folding plate 33 and a high set 34. The stackable folding plate 33 is formed by bending a plate-shaped member made of an aluminum/zinc plated steel plate into a corrugated shape. The high set 34 includes a substantially cylindrical packing made of an elastic material such as resin, a washer, and a nut.

第3の屋根金物300は、第1の上側固定部材110と、第2の下側固定部材240と、第3の折板支持部370とを主に備える。第1の上側固定部材110及び第2の下側固定部材240の形状は、第1及び第2の実施形態と各々同様であるため、説明を省略する。 The third roof hardware 300 mainly includes a first upper fixing member 110, a second lower fixing member 240, and a third folded plate support portion 370. The shapes of the first upper fixing member 110 and the second lower fixing member 240 are the same as those in the first and second embodiments, respectively, and thus the description thereof will be omitted.

第3の折板支持部370は、先端が段階的に細くなる円柱形状であって、本体軸部371と、先端部372と、本体軸部371と先端部371との間の位置に設けられる座金373とを備える。先端部372には、雄ねじが切られる。本体軸部371の下端が第1の底部113の頂面に溶接され、これにより、第3の折板支持部370が第1の上側固定部材110に固定される。 The third folded plate support portion 370 has a columnar shape with its tip gradually narrowing, and is provided at a position between the main body shaft portion 371, the front end portion 372, and the main body shaft portion 371 and the front end portion 371. And a washer 373. A male screw is cut on the tip portion 372. The lower end of the main body shaft portion 371 is welded to the top surface of the first bottom portion 113, whereby the third folded plate support portion 370 is fixed to the first upper fixing member 110.

次に、第3の屋根金物300を用いて、アングル材21に折板屋根22を取り付ける手順について説明する。アングル材21に第3の屋根金物300を取り付ける手順については、第2の実施形態と同様であるため、説明を省略する。 Next, a procedure for attaching the folded plate roof 22 to the angle member 21 using the third roof metal fitting 300 will be described. The procedure for attaching the third roof metal member 300 to the angle member 21 is the same as that in the second embodiment, and thus the description thereof is omitted.

折板屋根32を第3の屋根金物300に取り付ける手順について説明する。まず、重ね式折板33に空けられた貫通孔に先端部372が貫通するように、上方から重ね式折板33を第3の折板支持部370にかぶせるように取り付け、重ね式折板33から突出する先端部372にハイセット34をねじ込む。これにより、重ね式折板33が第3の折板支持部370と嵌合し、折板屋根32が第3の屋根金物300に取り付けられる。 A procedure for attaching the folded plate roof 32 to the third roof hardware 300 will be described. First, the foldable folding plate 33 is attached so as to cover the third foldable plate supporting portion 370 from above so that the tip portion 372 penetrates the through hole formed in the foldable folding plate 33. The high set 34 is screwed into the tip portion 372 protruding from. Thereby, the folding plate 33 is fitted to the third folded plate support portion 370, and the folded plate roof 32 is attached to the third roof metal fitting 300.

本実施形態によれば、第1及び第2の実施形態と同様の効果を得る。 According to this embodiment, the same effects as those of the first and second embodiments are obtained.

なお、第3の屋根金物300が取り付けられる梁材はアングル材21に限定されず、C型チャンネルやその他、梁材として使用可能な鋼材であってもよい。この場合、第2の下側固定部材240の形状は、梁材の形状に応じて適宜変更されうる。また、第3の屋根金物300に取り付けられる折板は重ね式折板33に限定されず、ハゼ式折板、嵌合式折板、又はその他の折板式屋根であってもよい。この場合、第3の折板支持部370の形状は、折板の取り付け手段に応じて適宜変更されうる。 Note that the beam member to which the third roof metal fitting 300 is attached is not limited to the angle member 21, and may be a C-shaped channel or other steel members usable as the beam member. In this case, the shape of the second lower fixing member 240 can be appropriately changed according to the shape of the beam member. Further, the folding plate attached to the third roof fitting 300 is not limited to the stacking type folding plate 33, and may be a goby type folding plate, a fitting type folding plate, or another folding plate type roof. In this case, the shape of the third folded plate supporting portion 370 can be appropriately changed according to the attachment means of the folded plate.

また、第1の上側固定部材110と第3の折板支持部370とは溶接以外の手段、例えば接着剤等によって接続されてもよい。 In addition, the first upper fixing member 110 and the third folded plate support portion 370 may be connected by means other than welding, such as an adhesive.

次に、第1の実施形態に係る実施例と比較例を示して、第1の実施形態の効果について説明する。なお、本発明の技術的範囲は、これらの比較例によりなんら限定されるものではない。 Next, the effect of the first embodiment will be described by showing an example according to the first embodiment and a comparative example. The technical scope of the present invention is not limited to these comparative examples.

実施例及び比較例について各々2体を試験体とし、JIS A 6514−1995に定められるタイトフレームの耐力試験に従って引張試験を行った。引張試験においては、試験機に固定されたC型チャンネルに屋根金物を取り付け、屋根金物の頂部から延びるボルトを鉛直上方に引っ張った。C型チャンネルは、100×50×20×t2.3、すなわち高さ100mm、幅50mm、返し高さ20mm、鋼材の厚さ2.3mmであって、長さ400mmのものを用いた。試験機は、株式会社島津製作所製 万能材料試験機 オートグラフ AG−10TBを用いた。試験速度は10mm/分、初期荷重は0.05kNとした。 For each of the Examples and Comparative Examples, two bodies were used as test bodies, and a tensile test was performed according to the proof test of the tight frame specified in JIS A 6514-1995. In the tensile test, the roof metal fitting was attached to the C-shaped channel fixed to the tester, and the bolt extending from the top of the roof metal fitting was pulled vertically upward. The C-shaped channel was 100×50×20×t2.3, that is, the height was 100 mm, the width was 50 mm, the return height was 20 mm, the thickness of the steel material was 2.3 mm, and the length was 400 mm. As a testing machine, a universal material testing machine Autograph AG-10TB manufactured by Shimadzu Corporation was used. The test speed was 10 mm/min, and the initial load was 0.05 kN.

実施例
図1及び2に示す第1の屋根金物100を実施例とし、それらの寸法を以下に示す。第1の上側固定部材110は、厚さ4.5mmのSPHC(熱間圧延鋼板)にドブメッキを施したものであり、Y軸方向に対する長さは145mm、Z軸方向に対する長さは20mmである。また、X軸方向に対する第1の折曲部111と第2の折曲部112との距離は100mmである。第1の下側固定部材140は、厚さ4.5mmのSPHCにドブメッキを施したものであり、X軸方向に対する長さは30mm、Z軸方向に対する第2の底部145の頂面から第1の側部143及び第2の側部144の頂面までの長さは100mmである。また、Y軸方向に対する第1の端部141及び第2の端部142の長さは47.5mmであり、Y軸方向に対する第1の側部143と第2の側部144との距離は50mmである。さらに、ボルト孔147の中心軸から第1の端部141のY軸正方向端部までの長さ、及びボルト孔148の中心軸から第2の端部142のY軸負方向端部までの長さは15mmである。ボルト孔147、148の直径は11mmである。第1の折板支持部170は、厚さ4.5mmのSPHCにドブメッキを施したものであり、X軸方向に対する長さは100mm、Y軸方向に対する長さは40mm、X軸方向に対し、第2の支持側部174のX軸負方向端部から第1の支持側部173のX軸正方向端部までの長さは70mmである。また、X軸方向に対し、第1の支持側部173から第1の支持端部171のX軸正方向端部までの長さ、及び第2の支持側部174から第2の支持端部172のX軸負方向端部までの長さは15mmである。Z軸方向に対し、第1の底部113のZ軸負方向端面から支持頂部175のZ軸正方向端面までの長さは58mmである。ボルト151a、152aは長さ30mmのM10ボルトであり、ボルト176aは長さ30mmのM8ボルトである。
Example The first roof metal piece 100 shown in FIGS. 1 and 2 is taken as an example, and the dimensions thereof are shown below. The first upper fixing member 110 is a 4.5 mm-thick SPHC (hot rolled steel plate) that has been subjected to dobb plating, and has a length in the Y-axis direction of 145 mm and a length in the Z-axis direction of 20 mm. .. The distance between the first bent portion 111 and the second bent portion 112 with respect to the X-axis direction is 100 mm. The first lower fixing member 140 is SPHC having a thickness of 4.5 mm, which is subjected to dobb plating, has a length in the X-axis direction of 30 mm, and is first from the top surface of the second bottom portion 145 in the Z-axis direction. The length to the top surfaces of the side portion 143 and the second side portion 144 is 100 mm. The length of the first end portion 141 and the second end portion 142 with respect to the Y-axis direction is 47.5 mm, and the distance between the first side portion 143 and the second side portion 144 with respect to the Y-axis direction is It is 50 mm. Furthermore, the length from the central axis of the bolt hole 147 to the Y-axis positive direction end of the first end 141, and the length from the central axis of the bolt hole 148 to the Y-axis negative direction end of the second end 142. The length is 15 mm. The diameter of the bolt holes 147 and 148 is 11 mm. The first folded plate support portion 170 is a 4.5 mm-thick SPHC that has been subjected to dove plating, and has a length in the X-axis direction of 100 mm, a length in the Y-axis direction of 40 mm, and an X-axis direction of 40 mm. The length from the X-axis negative direction end of the second support side portion 174 to the X-axis positive direction end of the first support side portion 173 is 70 mm. Further, with respect to the X-axis direction, the length from the first support side portion 173 to the X-axis positive direction end portion of the first support end portion 171 and the second support side portion 174 to the second support end portion. The length of 172 to the X-axis negative direction end is 15 mm. With respect to the Z-axis direction, the length from the Z-axis negative direction end face of the first bottom 113 to the Z-axis positive direction end face of the support top 175 is 58 mm. The bolts 151a and 152a are M10 bolts having a length of 30 mm, and the bolts 176a are M8 bolts having a length of 30 mm.

第1の屋根金物100について引張試験を行った結果を図9及び表1に示した。表1には、2体の試験体のうち、安全を見込んで最大荷重が低い方を選択し、記載した。図9には、2体の試験体のうち、一方を実施例1、他方を実施例2として記載した。実施例1と実施例2の材料及び寸法は同じである。なお、図9において、試験力0kNのとき、実施例1の試験結果を示す曲線はストローク0mm、実施例2の試験結果を示す曲線はストローク8mmと示されているが、これは説明の容易のため、実施例2に係る曲線を実施例1に係る曲線よりもグラフ上においてストローク8mm相当だけずらして示したものであって、試験結果に影響を与えるものでない。 The results of the tensile test performed on the first roof metal fitting 100 are shown in FIG. 9 and Table 1. In Table 1, out of the two test bodies, the one with the lowest maximum load was selected for safety and described. In FIG. 9, one of the two test bodies is described as Example 1 and the other is described as Example 2. The materials and dimensions of Example 1 and Example 2 are the same. In FIG. 9, when the test force is 0 kN, the curve showing the test result of Example 1 is shown as a stroke of 0 mm, and the curve showing the test result of Example 2 is shown as a stroke of 8 mm, which is easy to describe. Therefore, the curve according to the second embodiment is shown by being shifted by a stroke equivalent to 8 mm on the graph from the curve according to the first embodiment, and does not affect the test result.

比較例
図7及び8に示す通り、特開2010−90672号公報に記載の外装用取付部材と同様の屋根金物401を比較例とした。屋根金物401は、折板屋根を支持するとともに、C型チャンネル11上に着地部422をC型チャンネル11上に着地させる本体402と、着地部422上に重ねて一端縁をC型チャンネル11の外側へ延在させた上側固定具403と、C型チャンネル11を下方から包持して一端縁をC型チャンネル11の外側へ延在させた下側固定具404とを備える。上側固定具403及び下側固定具404の他端は折り曲げられて、C型チャンネル11の開口又は角に引っかけられる。そして、上側固定具403と下側固定具404との各一端縁をボルト405にて締め付けることにより、着地部422がC型チャンネル11に押し当てられ、これにより屋根金物401がC型チャンネル11に取り付けられる。本体402の頂面から上方に向けてボルト403が延びる。試験機に固定されたC型チャンネルに屋根金物401を取り付け、屋根金物401から延びるボルト406を鉛直上方に引っ張った。屋根金物401を構成する各部材は、厚さ4.5mmのSPHC(熱間圧延鋼板)にドブメッキを施して形成される。なお、図7及び8に示される屋根金物401の寸法の単位はミリメートルである。屋根金物401について引張試験を行った結果を図10及び表1に示した。表1には、2体の試験体のうち、安全を見込んで最大荷重が低い方を選択し、記載した。図10には、2体の試験体のうち、一方を比較例1、他方を比較2として記載した。比較例1と比較例2の材料及び寸法は同じである。なお、図10において、図9と同様に、説明の容易のため、比較例2に係る曲線を比較例1に係る曲線よりもグラフ上においてストローク8mm相当だけずらして示した。
Comparative Example As shown in FIGS. 7 and 8, a roof metal fitting 401 similar to the exterior mounting member described in JP 2010-90672 A was used as a comparative example. The roof metal fitting 401 supports a folded-plate roof and also has a main body 402 that lands the landing portion 422 on the C-shaped channel 11 and the main body 402 that lands on the landing portion 422 and has one end edge of the C-shaped channel 11. An upper fixing tool 403 extending outward and a lower fixing tool 404 wrapping the C-shaped channel 11 from below and extending one end edge to the outside of the C-shaped channel 11 are provided. The other ends of the upper fixing tool 403 and the lower fixing tool 404 are bent and hooked on the opening or corner of the C-shaped channel 11. Then, by tightening one end edges of the upper fixture 403 and the lower fixture 404 with bolts 405, the landing portion 422 is pressed against the C-shaped channel 11, whereby the roof metal fitting 401 is attached to the C-shaped channel 11. It is attached. A bolt 403 extends upward from the top surface of the main body 402. A roof metal fitting 401 was attached to a C-shaped channel fixed to a tester, and a bolt 406 extending from the roof metal fitting 401 was pulled vertically upward. Each member that constitutes the roof metal fitting 401 is formed by performing dobb plating on SPHC (hot rolled steel plate) having a thickness of 4.5 mm. The unit of the dimensions of the roof metal fitting 401 shown in FIGS. 7 and 8 is millimeter. The results of the tensile test performed on the roof metal fitting 401 are shown in FIG. 10 and Table 1. In Table 1, out of the two test bodies, the one with the lowest maximum load was selected for safety and described. In FIG. 10, one of the two test bodies is shown as Comparative Example 1 and the other is shown as Comparative 2. The materials and dimensions of Comparative Example 1 and Comparative Example 2 are the same. Note that, in FIG. 10, similarly to FIG. 9, the curve according to Comparative Example 2 is shown shifted from the curve according to Comparative Example 1 by a stroke equivalent to 8 mm for easy description.

実施例は、比較例と比較して、許容荷重が約2.8倍となった。 In the example, the allowable load was about 2.8 times that of the comparative example.

なお、表1において、参考許容荷重は、JIS A 6514より最大荷重を安全率(3)にて除した数値と2%変位時の試験力とを比較して、少ない方の値とした。 In Table 1, the reference allowable load is the smaller value by comparing the numerical value obtained by dividing the maximum load by the safety factor (3) according to JIS A 6514 with the test force at 2% displacement.

本実施形態によれば、比較例と比較して、有意に強度が高い屋根金物を得ることができる。すなわち、本実施形態による屋根金物は、より多くの風荷重に耐えることができる。 According to the present embodiment, it is possible to obtain a roof metal fitting having significantly higher strength than that of the comparative example. That is, the roof hardware according to the present embodiment can withstand a larger wind load.

なお、いずれの実施形態においても、第1〜3の屋根金物100〜300が取り付けられる梁材は、C型チャンネル、アングル材、その他の梁材として使用可能な鋼材であってもよい。例えば屋根金物をC型チャンネルに取り付ける場合、下側固定部材として第1の下側固定部材140を用いてもよく、例えば屋根金物をアングル材に取り付ける場合、下側固定部材として第2の下側固定部材240を用いてもよい。 In any of the embodiments, the beam member to which the first to third roof metal fittings 100 to 300 are attached may be a C-shaped channel, an angle member, or any other steel member that can be used as a beam member. For example, when attaching the roof metal fittings to the C-shaped channel, the first lower fixing member 140 may be used as the lower fixing member. For example, when attaching the roof metal fittings to the angle member, the second lower fixing member is used as the lower fixing member. The fixing member 240 may be used.

また、屋根金物に取り付けられる折板は、嵌合式折板、ハゼ式折板、重ね式折板、又はその他の折板式屋根であってもよい。例えば屋根金物をC型チャンネルに取り付ける場合、折板支持部として第1の折板支持部170を用いてもよく、例えば屋根金物をハゼ式折板に取り付ける場合、折板支持部として第2の折板支持部270が用いられてもよく、例えば屋根金物を重ね式折板に取り付ける場合、折板支持部として第3の折板支持部370が用いられてもよい。 Further, the folding plate attached to the roof metal fitting may be a fitting type folding plate, a goby type folding plate, a stacking type folding plate, or another folding plate type roof. For example, when attaching the roof metal fittings to the C-shaped channel, the first folded plate support portion 170 may be used as the folded plate support portion. For example, when attaching the roof metal fittings to the goby-type folded plate, the second folded plate support portion may be used. The folded plate support portion 270 may be used. For example, when the roof metal fitting is attached to the stacking folded plate, the third folded plate support portion 370 may be used as the folded plate support portion.

第1の下側固定部材140及び第2の下側固定部材240の代わりに、丸棒を折り曲げて形成された部材を下側固定部材として用いてもよい。この場合、丸棒の両端部に雄ねじが切られて上側固定部材のボルト孔に貫通され、ナットを用いて上側固定部材に固定される。 Instead of the first lower fixing member 140 and the second lower fixing member 240, a member formed by bending a round bar may be used as the lower fixing member. In this case, male screws are cut at both ends of the round bar to pass through the bolt holes of the upper fixing member and are fixed to the upper fixing member using nuts.

なお、本明細書および図中に示した各部材の大きさは例示であって、これらの大きさに限定されない。また、各部材の素材は例示であって、これらの素材に限定されない。ここに付随する図面を参照して本発明の実施形態が説明されたが、記載された発明の範囲と精神から逸脱することなく、変形が各部の構造と関係に施されることは、当業者にとって自明である。 It should be noted that the size of each member shown in the present specification and the drawings is an example, and the size is not limited to these sizes. In addition, the material of each member is an example, and the material is not limited to these materials. Although the embodiments of the present invention have been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that modifications may be made to the structure and relationships of various parts without departing from the scope and spirit of the described invention. Is obvious to

10 屋根構造
11 C型チャンネル
12 折板屋根
13 嵌合式折板
14 吊子
15 キャップ
100 第1の屋根金物
110 第1の上側固定部材
111 第1の折曲部
112 第2の折曲部
113 第1の底部
117 第1の突出部
118 第2の突出部
114 ボルト孔
115 ボルト孔
140 第1の下側固定部材
141 第1の端部
142 第2の端部
143 第1の側部
144 第2の側部
145 第2の底部
147 ボルト孔
148 ボルト孔
170 第1の折板支持部
171 第1の支持端部
172 第2の支持端部
173 第1の支持側部
174 第2の支持側部
175 支持頂部
10 Roof Structure 11 C-Type Channel 12 Folded Plate Roof 13 Fitting Folded Plate 14 Suspender 15 Cap 100 First Roof Hardware 110 First Upper Fixing Member 111 First Bent Part 112 Second Bent Part 113 No. 1 bottom 117 first protrusion 118 second protrusion 114 bolt hole 115 bolt hole 140 first lower fixing member 141 first end 142 second end 143 first side 144 second Side portion 145 second bottom portion 147 bolt hole 148 bolt hole 170 first folded plate support portion 171 first support end portion 172 second support end portion 173 first support side portion 174 second support side portion 175 support top

Claims (6)

梁材の上方に設けられる第1の固定部材と、
前記梁材の下方及び側方に設けられる第2の固定部材と、
前記第1の固定部材から上方に突出して、折板屋根を支持する屋根材支持部とを備え、
前記第1の固定部材は、前記梁材を上方から見たとき、前記梁材の側方両側に各々突出する第1及び第2の突出部を有し、
前記第2の固定部材は、前記梁材の下方及び側方を覆いながら前記第1の突出部及び前記第2の突出部に固定される折板用屋根金物。
A first fixing member provided above the beam,
Second fixing members provided below and laterally of the beam member,
A roof material supporting portion that projects upward from the first fixing member and supports the folded plate roof ;
The first fixing member has first and second projecting portions that respectively project to both lateral sides of the beam when the beam is viewed from above,
The said 2nd fixing member is a roof metal fitting for folding plates fixed to the said 1st protrusion part and the said 2nd protrusion part, covering the lower side and the side of the said beam.
前記第2の固定部材は、矩形の板状部材を前記梁材の形状に沿って折り曲げて形成され、前記第2の固定部材の両端部は、前記第1の突出部及び前記第2の突出部に密着するように各々形成される請求項1に記載の折板用屋根金物。 The second fixing member is formed by bending a rectangular plate member along the shape of the beam member, and both ends of the second fixing member have the first protruding portion and the second protruding portion. The roof metal fitting for a folding plate according to claim 1, which is formed so as to be in close contact with each other. 前記第2の固定部材の両端部、前記第1の突出部、及び前記第2の突出部には貫通孔が各々形成され、前記第2の固定部材の一端部の貫通孔と前記第1の突出部の貫通孔とにボルトが挿入されてナットで固定され、前記第2の固定部材の他端部の貫通孔と前記第2の突出部の貫通孔とにボルトが挿入されてナットで固定される請求項2に記載の折板用屋根金物。 Through-holes are formed in both ends of the second fixing member, the first projecting portion, and the second projecting portion, respectively, and the through-hole at one end of the second fixing member and the first projecting portion are formed. A bolt is inserted into the through hole of the protrusion and fixed with a nut, and a bolt is inserted into the through hole of the other end of the second fixing member and the through hole of the second protrusion and fixed with the nut. A roof metal fitting for a folding plate according to claim 2. 前記第1の固定部材は、前記梁材の頂面に設けられる矩形の板部と、前記板部において前記第1の突出部から前記第2の突出部まで延び、前記板部の縁から上方に突出する折曲部とを備える請求項1から3のいずれかに記載の折板用屋根金物。 The first fixing member includes a rectangular plate portion provided on the top surface of the beam member, and extends from the first protruding portion to the second protruding portion in the plate portion, and extends upward from an edge of the plate portion. The roof metal fitting for a folding plate according to any one of claims 1 to 3, further comprising a bent portion protruding inward. 前記屋根材支持部は折板を支持する折板支持部である請求項1から4のいずれかに記載の折板用屋根金物。 The roof metal fitting for a folding plate according to any one of claims 1 to 4, wherein the roof material supporting portion is a folding plate supporting portion that supports the folding plate. 請求項1から5のいずれかに記載の折板用屋根金物を梁材に取り付ける方法であって、
前記方法は、
前記第1の固定部材を前記梁材の頂面に置くステップと、
前記第2の固定部材を前記梁材の下方から前記梁材を包持させるステップと、
前記第1及び第2の突出部を前記第2の固定部材に固定するステップとを備える
方法。
A method for mounting the roof metal fittings for folded plate according to any one of claims 1 to 5 to a beam member,
The method is
Placing the first securing member on the top surface of the beam,
A step of enclosing the beam member from below the beam member with the second fixing member;
Fixing the first and second protrusions to the second fixing member.
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