JP2018123516A

JP2018123516A - Roof structure

Info

Publication number: JP2018123516A
Application number: JP2017015125A
Authority: JP
Inventors: 山本　吉久; Yoshihisa Yamamoto; 吉久山本; 拓也蒲原; Takuya Kanbara
Original assignee: Nippon Steel and Sumikin Coated Sheet Corp
Current assignee: Nippon Steel Coated Sheet Corp
Priority date: 2017-01-31
Filing date: 2017-01-31
Publication date: 2018-08-09

Abstract

PROBLEM TO BE SOLVED: To provide a roof structure excellent in workability and excellent in waterproofness.SOLUTION: A first folded plate 1a has a first overlapping part 10 formed at an end part on the side of a second folded plate 1b. The second folded plate 1b has a second overlapping part 20 formed at an end part on the side of the first folded plate 1a. The second overlapping part 20 overlaps the first overlapping part 10 and a crest part 40 protruding upward is formed by the first overlapping part 10 and the second overlapping part 20. The first overlapping part 10 includes a one engaging part 14 positioned closer to the first folded plate 1a than the apex part 44 of the ridge part 40, and another engaging part 15 located closer to the second folded plate 1b side than the apical part 44. The second overlapping part 20 has one engaged part 24 engaged with the one engaging part 14 and the other engaged part 25 engaged with the other engaging part 15. The one engaged part 24 is caulked and fixed to the one engaging part 14 and the other engaged part 25 is caulked and fixed to the other engaging part 15.SELECTED DRAWING: Figure 1

Description

本発明は屋根構造に関する。 The present invention relates to a roof structure.

特許文献１には折板屋根を有する屋根構造が開示されている。この屋根構造では、母屋に取り付けられたタイトフレーム上に、折板の縁部同士が重なるように配置され、このように重ねられた両折板の縁部により構成される稜部が、タイトフレームにボルト固定されている。また、前記稜部において母屋と重ならない部分には、ワンサイドボルトが取り付けられており、このワンサイドボルトにより、稜部が挟持されている。 Patent Document 1 discloses a roof structure having a folded plate roof. In this roof structure, the edges of the folded plates are arranged on the tight frame attached to the main building so that the edges of the folded plates overlap each other, and the ridge composed of the edges of the two folded plates thus stacked is the tight frame. It is bolted to. Moreover, the one side bolt is attached to the part which does not overlap with a purlin in the said ridge part, and the ridge part is clamped by this one side bolt.

特開２００７−１５４６５２号公報JP 2007-154652 A

ところで、前述したワンサイドボルトを稜部に取り付けるには、稜部に取付用ボルト穴をあける必要があり、手間を要する。また、雨水が取付用ボルト穴から建物内に侵入する可能性もあり、これを防ぐにはパッキン等で封止する必要があって、この点でも手間を要する。 By the way, in order to attach the above-mentioned one-side bolt to the ridge, it is necessary to make a mounting bolt hole in the ridge, which is troublesome. In addition, there is a possibility that rainwater may enter the building through the mounting bolt holes, and in order to prevent this, it is necessary to seal with packing or the like.

本発明は前記事情に鑑みてなされたものであって、施工性に優れ、かつ防水性に優れた屋根構造を提供することを目的とする。 This invention is made | formed in view of the said situation, Comprising: It aims at providing the roof structure excellent in workability | operativity and excellent in waterproofness.

前記目的を達成するために本発明に係る一態様の屋根構造は、第１折板と、前記第１折板と並べて設置された第２折板とを備え、前記第１折板は、前記第２折板側の端部に形成され、上方に突出した第１重なり部を有し、前記第２折板は、前記第１折板側の端部に形成され、上方に突出した第２重なり部を有し、前記第２重なり部が前記第１重なり部の上に重なり、前記第１重なり部と前記第２重なり部とで、上方から見て前記第１折板と前記第２折板とが並ぶ方向と直交する方向に延びた山部が形成されており、前記第１重なり部は、前記山部の頂部よりも前記第１折板側に位置する一方係合部と、前記頂部よりも前記第２折板側に位置する他方係合部とを有し、前記第２重なり部は、前記一方係合部に係合された一方被係合部と、前記他方係合部に係合された他方被係合部とを有し、前記山部の長手方向における一部において、前記一方被係合部が前記一方係合部にかしめ固定され、且つ前記他方被係合部が前記他方係合部にかしめ固定されていることを特徴とする。 In order to achieve the above object, a roof structure according to an aspect of the present invention includes a first folded plate, and a second folded plate installed side by side with the first folded plate, wherein the first folded plate includes the first folded plate, A second overlapping plate is formed at an end portion on the second folded plate side and has a first overlapping portion protruding upward, and the second folded plate is formed at an end portion on the first folded plate side and protrudes upward. An overlapping portion, the second overlapping portion overlaps the first overlapping portion, and the first overlapping plate and the second folding portion are seen from above by the first overlapping portion and the second overlapping portion. A crest extending in a direction perpendicular to the direction in which the plates are arranged is formed, and the first overlapping portion is located on the first folded plate side with respect to the top of the crest, and the engagement portion, A second engaging portion positioned on the second folded plate side with respect to the top, and the second overlapping portion includes one engaged portion engaged with the one engaging portion and the other engaging portion. A second engaged portion engaged with the engaging portion, wherein the one engaged portion is caulked and fixed to the one engaging portion in a part in a longitudinal direction of the peak portion, and the other covered portion is provided. An engaging portion is fixed by caulking to the other engaging portion.

本発明に係る一態様の屋根構造は、施工性及び防水性を向上できる。 The roof structure according to one aspect of the present invention can improve workability and waterproofness.

図１は、本発明に係る一実施形態の屋根構造を示した断面図である。FIG. 1 is a cross-sectional view showing a roof structure according to an embodiment of the present invention. 図２は、同上の屋根構造の分解断面図である。FIG. 2 is an exploded sectional view of the roof structure same as above. 図３は、同上の屋根構造に用いられる折板の断面図である。FIG. 3 is a sectional view of a folded plate used in the roof structure. 図４は、同上の屋根構造の継山部の拡大断面図である。FIG. 4 is an enlarged cross-sectional view of a joint portion of the roof structure same as above. 図５は、図１のＡ−Ａ線断面図である。5 is a cross-sectional view taken along line AA in FIG. 図６は、同上の屋根構造における継山部がかしめ固定される様子を示した拡大断面図である。FIG. 6 is an enlarged cross-sectional view showing a state in which a joint portion in the roof structure is caulked and fixed. 図７は、同上の屋根構造における折板を剣先ボルトとナットとで固定する例を示した断面図である。FIG. 7 is a cross-sectional view showing an example in which the folded plate in the roof structure is fixed with a sword tip bolt and a nut.

以下に示す実施形態は、屋根構造に関し、詳しくは、並べて設置された折板同士が接続された屋根構造に関する。 The embodiment described below relates to a roof structure, and more particularly, to a roof structure in which folded plates installed side by side are connected to each other.

図１に示す本実施形態の屋根構造は、折板屋根を有する建物の屋根構造であって、複数の横架材５（構造材）と、複数のタイトフレーム６と、複数の折板１と、複数の固着具７とを具備している。この屋根構造では、複数の折板１によって折板屋根が構成されている。 The roof structure of the present embodiment shown in FIG. 1 is a roof structure of a building having a folded plate roof, and includes a plurality of horizontal members 5 (structural materials), a plurality of tight frames 6, and a plurality of folded plates 1. And a plurality of fasteners 7. In this roof structure, a folded plate roof is constituted by a plurality of folded plates 1.

（横架材）
本実施形態の複数の横架材５の各々は、梁である。複数の横架材５は、平面視において横架材５の長手方向と直交する方向に間隔を介して並んでいる。本実施形態の各横架材５はＨ型鋼であって、上フランジ５０と、下フランジ５１と、上フランジ５０及び下フランジ５１の幅方向の中間部同士を繋いだウェブ５２とを有している。 (Horizontal material)
Each of the plurality of horizontal members 5 of the present embodiment is a beam. The plurality of horizontal members 5 are arranged at intervals in a direction orthogonal to the longitudinal direction of the horizontal member 5 in plan view. Each horizontal member 5 of the present embodiment is an H-shaped steel, and includes an upper flange 50, a lower flange 51, and a web 52 that connects intermediate portions in the width direction of the upper flange 50 and the lower flange 51. Yes.

（タイトフレーム）
各横架材５にはタイトフレーム６が載置されている。各タイトフレーム６は、例えば、一つの金属製帯板材、又は横架材５の長手方向に並んだ複数の金属製帯板材で構成される。 (Tight frame)
A tight frame 6 is placed on each horizontal member 5. Each tight frame 6 is constituted by, for example, a single metal strip or a plurality of metal strips arranged in the longitudinal direction of the horizontal member 5.

図２に示すように、各タイトフレーム６は、複数の凸部６０と、複数の底部６１とを有している。複数の凸部６０は、横架材５の長手方向に並んでいる。 As shown in FIG. 2, each tight frame 6 has a plurality of convex portions 60 and a plurality of bottom portions 61. The plurality of convex portions 60 are arranged in the longitudinal direction of the horizontal member 5.

複数の凸部６０の各々は、横架材５の長手方向に離間して配置された一対の側片部６２，６３と、一対の側片部６２，６３の上端部同士を繋いだ上片部６４とを有している。一対の側片部６２，６３の各々は、一対の側片部６２，６３の間隔が、上片部６４から下方に離れるほど徐々に広がるように鉛直方向に対して傾斜している。上片部６４は、横架材５の上フランジ５０と平行な板状に形成されている。 Each of the plurality of convex portions 60 is an upper piece that connects a pair of side piece portions 62 and 63 spaced apart in the longitudinal direction of the horizontal member 5 and the upper end portions of the pair of side piece portions 62 and 63. Part 64. Each of the pair of side pieces 62 and 63 is inclined with respect to the vertical direction so that the distance between the pair of side pieces 62 and 63 gradually increases as the distance from the upper piece 64 decreases. The upper piece 64 is formed in a plate shape parallel to the upper flange 50 of the horizontal member 5.

凸部６０と底部６１とは、横架材５の長手方向に交互に並んでおり、複数の凸部６０は、複数の底部６１によって繋がっている。複数の底部６１の各々は、上フランジ５０と平行な板状に形成されている。隣り合う凸部６０は、側片部６２，６３の下端部同士が底部６１を介して繋がっている。 The convex portions 60 and the bottom portions 61 are alternately arranged in the longitudinal direction of the horizontal member 5, and the plurality of convex portions 60 are connected by the plurality of bottom portions 61. Each of the plurality of bottom portions 61 is formed in a plate shape parallel to the upper flange 50. The adjacent convex portions 60 are connected to each other at the lower end portions of the side piece portions 62 and 63 via the bottom portion 61.

各底部６１は、横架材５の上フランジ５０の上に載置されている。各タイトフレーム６は、複数の底部６１を上フランジ５０に溶接する又はボルト止めすることにより、対応する横架材５に固定されている。 Each bottom 61 is placed on the upper flange 50 of the horizontal member 5. Each tight frame 6 is fixed to the corresponding horizontal member 5 by welding or bolting a plurality of bottom portions 61 to the upper flange 50.

（折板）
複数のタイトフレーム６の上には、複数の折板１が設置されている。複数の折板１は、横架材５の長手方向に並んでいる。 (Folded plate)
A plurality of folded plates 1 are installed on the plurality of tight frames 6. The plurality of folded plates 1 are arranged in the longitudinal direction of the horizontal member 5.

複数の折板１の各々は、平面視において横架材５の長手方向と直交する方向に延びている。各折板１は、図１に示すように、少なくとも隣り合う２つの横架材５に跨るように配置されている。各折板１は、折板１の長手方向と直交する断面の形状が、折板１の長手方向に亘って一様である。 Each of the plurality of folded plates 1 extends in a direction orthogonal to the longitudinal direction of the horizontal member 5 in plan view. As shown in FIG. 1, each folded plate 1 is disposed so as to straddle at least two adjacent horizontal members 5. Each folded plate 1 has a uniform cross-sectional shape perpendicular to the longitudinal direction of the folded plate 1 over the longitudinal direction of the folded plate 1.

各折板１の幅方向は、横架材５の長手方向と平行である。各折板１は、図３に示すように、幅方向の両端部のうち、一方の端部に形成された第１重なり部１０と、他方の端部に形成された第２重なり部２０とを有している。 The width direction of each folded plate 1 is parallel to the longitudinal direction of the horizontal member 5. As shown in FIG. 3, each folded plate 1 includes a first overlap portion 10 formed at one end portion and a second overlap portion 20 formed at the other end portion among both end portions in the width direction. have.

第１重なり部１０及び第２重なり部２０の各々は、幅方向の中間部が上方に突出するように屈曲しており、折板１の長手方向に延びている。図４に示すように、各折板１の第１重なり部１０の上には、隣接する折板１の第２重なり部２０が重なっている。すなわち、隣接する折板１のうち、一方の折板１を第１折板１ａとし、他方の折板１を第２折板１ｂとしたとき、第１折板１ａの第１重なり部１０の上には、第２折板１ｂの第２重なり部２０が重なっている。 Each of the first overlapping portion 10 and the second overlapping portion 20 is bent so that the intermediate portion in the width direction protrudes upward, and extends in the longitudinal direction of the folded plate 1. As shown in FIG. 4, the second overlapping portion 20 of the adjacent folded plate 1 overlaps the first overlapping portion 10 of each folded plate 1. That is, among the adjacent folded plates 1, when one folded plate 1 is a first folded plate 1a and the other folded plate 1 is a second folded plate 1b, the first overlapping plate 10 of the first folded plate 1a Above, the second overlapping portion 20 of the second folded plate 1b overlaps.

（非継山部及び底板部）
図３に示すように、本実施形態の各折板１は、複数の山部３１と、複数の底板部４１〜４３とを有している。本実施形態の各折板１は、合計２つの山部３１を有している。複数の山部３１は、第１重なり部１０と第２重なり部２０との間に形成されている。以下、必要に応じて、複数の山部３１の各々を非継山部３１という。 (Non-mountain and bottom plate)
As shown in FIG. 3, each folded plate 1 of the present embodiment has a plurality of peak portions 31 and a plurality of bottom plate portions 41 to 43. Each folded plate 1 of the present embodiment has a total of two peak portions 31. The plurality of peak portions 31 are formed between the first overlapping portion 10 and the second overlapping portion 20. Hereinafter, each of the plurality of mountain portions 31 is referred to as a non-mountain mountain portion 31 as necessary.

複数の非継山部３１は、折板１の幅方向に並んでいる。複数の非継山部３１の各々は、折板１の長手方向に延びている。 The plurality of non-joint portions 31 are arranged in the width direction of the folded plate 1. Each of the plurality of non-joint portions 31 extends in the longitudinal direction of the folded plate 1.

各非継山部３１は、折板１の幅方向において離間して配置された一対の側板部３２，３３と、一対の側板部３２，３３の上端部同士を繋いだ天板部３４とを有している。一対の側板部３２，３３の各々は、一対の側板部３２，３３の間隔が、天板部３４から下方に離れるほど徐々に広がるように鉛直方向に対して傾斜している。 Each non-joint portion 31 includes a pair of side plate portions 32 and 33 that are spaced apart from each other in the width direction of the folded plate 1 and a top plate portion 34 that connects the upper end portions of the pair of side plate portions 32 and 33. Have. Each of the pair of side plate portions 32 and 33 is inclined with respect to the vertical direction so that the distance between the pair of side plate portions 32 and 33 gradually increases as the distance from the top plate portion 34 decreases.

図２に示すように、天板部３４は、タイトフレーム６の上片部６４と平行である。天板部３４は、非継山部３１の長手方向に延びている。天板部３４の幅方向は、平面視で非継山部３１の長手方向と直交した方向と平行である。 As shown in FIG. 2, the top plate 34 is parallel to the upper piece 64 of the tight frame 6. The top plate portion 34 extends in the longitudinal direction of the non-joint portion 31. The width direction of the top plate portion 34 is parallel to a direction orthogonal to the longitudinal direction of the non-joint portion 31 in plan view.

各非継山部３１は、非継山部３１の長手方向における複数箇所の各々が、対応するタイトフレーム６の凸部６０に被さっている。各非継山部３１の天板部３４は、対応する凸部６０の上片部６４の上面に沿って配置されている。各非継山部３１の一対の側板部３２，３３の各々は、対応する凸部６０の側片部６２，６３の外面に沿って配置されている。 In each non-mountain portion 31, each of a plurality of locations in the longitudinal direction of the non-mountain portion 31 covers the corresponding convex portion 60 of the tight frame 6. The top plate portion 34 of each non-mountain portion 31 is disposed along the upper surface of the upper piece portion 64 of the corresponding convex portion 60. Each of the pair of side plate portions 32 and 33 of each non-joint portion 31 is arranged along the outer surface of the side piece portions 62 and 63 of the corresponding convex portion 60.

複数の底板部４１〜４３の各々は、タイトフレーム６の底部６１と平行な板状に形成されている。図３に示すように、本実施形態の各折板１は、複数の底板部４１〜４３として、第１底板部４１、第２底板部４２及び第３底板部４３を有している。 Each of the plurality of bottom plate portions 41 to 43 is formed in a plate shape parallel to the bottom portion 61 of the tight frame 6. As shown in FIG. 3, each folded plate 1 of the present embodiment includes a first bottom plate portion 41, a second bottom plate portion 42, and a third bottom plate portion 43 as a plurality of bottom plate portions 41 to 43.

隣り合う非継山部３１は、一方の非継山部３１の側板部３２の下端部と、他方の非継山部３１の側板部３３の下端部とが、第１底板部４１を介して繋がっている。第１重なり部１０と、これと隣り合う非継山部３１における第１重なり部１０側の側板部３３の下端部とは、第２底板部４２を介して繋がっている。第２重なり部２０と、これと隣り合う非継山部３１における第２重なり部２０側の側板部３２の下端部とは、第３底板部４３を介して繋がっている。 The adjacent non-mountain portions 31 have a lower end portion of the side plate portion 32 of one non-mountain portion 31 and a lower end portion of the side plate portion 33 of the other non-mountain portion 31 via the first bottom plate portion 41. It is connected. The first overlapping portion 10 and the lower end portion of the side plate portion 33 on the first overlapping portion 10 side in the non-joint portion 31 adjacent thereto are connected via the second bottom plate portion 42. The second overlapping portion 20 is connected to the lower end portion of the side plate portion 32 on the second overlapping portion 20 side in the non-joint portion 31 adjacent thereto via a third bottom plate portion 43.

（第１重なり部）
各折板１の幅方向の両端部にそれぞれ形成された第１重なり部１０及び第２重なり部２０は、上方に向かって突出している。すなわち、第１重なり部１０は、第２底板部４２における非継山部３１とは反対側の端部から上方に向かって突出し、第２重なり部２０は、第３底板部４３における非継山部３１とは反対側の端部から上方に向かって突出している。 (First overlap)
The first overlapping portion 10 and the second overlapping portion 20 that are formed at both ends in the width direction of each folded plate 1 protrude upward. That is, the first overlapping portion 10 protrudes upward from the end portion of the second bottom plate portion 42 opposite to the non-joint portion 31, and the second overlapping portion 20 is non-joint portion in the third bottom plate portion 43. Projecting upward from the end opposite to the portion 31.

第１重なり部１０は、折板１の幅方向において離間して配置された一対の側板部１１，１２と、一対の側板部１１，１２の上端部同士を繋いだ天板部１３とを有している。一対の側板部１１，１２は、一対の側板部１１，１２の間隔が、後述する一方係合部１４及び他方係合部１５を除く部分において、天板部１３から下方に離れるほど広がるように鉛直方向に対して傾斜している。 The first overlapping portion 10 has a pair of side plate portions 11 and 12 that are spaced apart in the width direction of the folded plate 1 and a top plate portion 13 that connects the upper end portions of the pair of side plate portions 11 and 12. doing. The pair of side plate portions 11, 12 is such that the distance between the pair of side plate portions 11, 12 increases as the distance from the top plate portion 13 decreases in a portion excluding one engagement portion 14 and the other engagement portion 15 described later. Inclined with respect to the vertical direction.

以下、必要に応じて第１重なり部１０の一対の側板部１１，１２のうち、折板１の幅方向外側に位置する側板部１２を第１外側板部１２といい、折板１の幅方向内側に位置する側板部１１を第１内側板部１１という。また、必要に応じて、第１重なり部１０の天板部１３を第１天板部１３という。 Hereinafter, of the pair of side plate portions 11 and 12 of the first overlapping portion 10, the side plate portion 12 positioned on the outer side in the width direction of the folded plate 1 is referred to as a first outer plate portion 12, and the width of the folded plate 1. The side plate portion 11 located on the inner side in the direction is referred to as a first inner plate portion 11. Moreover, the top plate part 13 of the 1st overlap part 10 is called the 1st top plate part 13 as needed.

第１外側板部１２の上下寸法は、第１内側板部１１の上下寸法よりも短い。第１外側板部１２の下端は、第１内側板部１１の上下方向の中程と同じ高さに位置している。 The vertical dimension of the first outer plate part 12 is shorter than the vertical dimension of the first inner plate part 11. The lower end of the first outer plate 12 is located at the same height as the middle of the first inner plate 11 in the vertical direction.

各折板１の第１重なり部１０は、図４に示すように、折板１の長手方向における複数箇所の各々が、対応するタイトフレーム６の凸部６０に被さっている。 As shown in FIG. 4, each of the plurality of locations in the longitudinal direction of the folded plate 1 covers the convex portions 60 of the corresponding tight frames 6 in the first overlapping portion 10 of each folded plate 1.

具体的に第１天板部１３は、対応する凸部６０の上片部６４の上面に沿って配置されている。また、第１重なり部１０の一対の側板部１１，１２の各々は、対応する凸部６０の側片部６２，６３の外面に沿って配置されている。 Specifically, the first top plate portion 13 is arranged along the upper surface of the upper piece portion 64 of the corresponding convex portion 60. In addition, each of the pair of side plate portions 11 and 12 of the first overlapping portion 10 is disposed along the outer surface of the side piece portions 62 and 63 of the corresponding convex portion 60.

（第２重なり部）
図３に示すように、各折板１において第１重なり部１０とは反対側の端部に形成された第２重なり部２０は、折板１の幅方向において離間して配置された一対の側板部２１，２２と、一対の側板部２１，２２の上端部同士を繋いだ天板部２３とを有している。一対の側板部２１，２２は、一対の側板部２１，２２の間隔が、後述する一方被係合部２４と他方被係合部２５とを除く部分において、天板部２３から下方に離れるほど広がるように鉛直方向に対して傾斜している。 (Second overlap)
As shown in FIG. 3, each folded plate 1 includes a pair of second overlapping portions 20 formed at the end opposite to the first overlapping portion 10 and spaced apart in the width direction of the folded plate 1. The side plate portions 21 and 22 and the top plate portion 23 connecting the upper end portions of the pair of side plate portions 21 and 22 are provided. The distance between the pair of side plate portions 21 and 22 is such that the distance between the pair of side plate portions 21 and 22 moves downward from the top plate portion 23 in a portion excluding one engaged portion 24 and the other engaged portion 25 described later. It is inclined with respect to the vertical direction so as to spread.

以下、必要に応じて、第２重なり部２０の一対の側板部２１，２２のうち、折板１の幅方向外側に位置する側板部２１を第２外側板部２１といい、折板１の幅方向内側に位置する側板部２２を第２内側板部２２という。また、必要に応じて、第２重なり部２０の天板部２３を第２天板部２３という。 Hereinafter, of the pair of side plate portions 21 and 22 of the second overlapping portion 20, the side plate portion 21 positioned on the outer side in the width direction of the folded plate 1 is referred to as a second outer plate portion 21, as necessary. The side plate portion 22 positioned on the inner side in the width direction is referred to as a second inner plate portion 22. Moreover, the top plate part 23 of the 2nd overlap part 20 is called the 2nd top plate part 23 as needed.

第２外側板部２１の上下寸法は、第２内側板部２２の上下寸法よりも短い。第２外側板部２１の下端は、第２内側板部２２の上下方向の中程と同じ高さに位置している。 The vertical dimension of the second outer plate part 21 is shorter than the vertical dimension of the second inner plate part 22. The lower end of the second outer plate portion 21 is located at the same height as the middle of the second inner plate portion 22 in the vertical direction.

図４及び図５に示すように、各折板１の第１重なり部１０には、隣接する折板１の第２重なり部２０が被さっている。第２天板部２３は、第１天板部１３の上面に沿って配置されている。第２重なり部２０の一対の側板部２１，２２の各々は、第１重なり部１０の対応する側板部１１，１２の外面に沿って配置されている。 As shown in FIGS. 4 and 5, the first overlapping portion 10 of each folded plate 1 covers the second overlapping portion 20 of the adjacent folded plate 1. The second top plate portion 23 is disposed along the upper surface of the first top plate portion 13. Each of the pair of side plate portions 21 and 22 of the second overlapping portion 20 is disposed along the outer surface of the corresponding side plate portions 11 and 12 of the first overlapping portion 10.

折板屋根には、第１重なり部１０と、この第１重なり部１０の上に重なった第２重なり部２０とで構成された山部４０が複数形成されている。以下、必要に応じて、これら複数の山部４０の各々を、継山部４０という。 On the folded plate roof, a plurality of mountain portions 40 are formed that are constituted by a first overlapping portion 10 and a second overlapping portion 20 that overlaps the first overlapping portion 10. Hereinafter, as necessary, each of the plurality of mountain portions 40 is referred to as a joint mountain portion 40.

継山部４０は平面視において横架材５の長手方向と直交する方向に延びている。継山部４０と非継山部３１とは、折板１の長手方向と直交する断面の形状及び大きさが略同じである。継山部４０の頂部４４は、第１天板部１３と、この上に重なった第２天板部２３とで構成されている。 The joint portion 40 extends in a direction orthogonal to the longitudinal direction of the horizontal member 5 in plan view. The joint portion 40 and the non-joint portion 31 have substantially the same cross-sectional shape and size orthogonal to the longitudinal direction of the folded plate 1. The top portion 44 of the joint portion 40 is composed of a first top plate portion 13 and a second top plate portion 23 that is overlaid thereon.

（一方係合部及び他方係合部）
各折板１の第１重なり部１０は、一方係合部１４と、他方係合部１５とを有している。一方係合部１４は、第１内側板部１１に形成されており、継山部４０の頂部４４よりも同一折板１の第２重なり部２０側（第１折板１ａ側）に位置している。 (One engaging part and the other engaging part)
The first overlapping portion 10 of each folded plate 1 has one engaging portion 14 and the other engaging portion 15. On the other hand, the engaging portion 14 is formed in the first inner plate portion 11 and is located closer to the second overlapping portion 20 side (first folded plate 1a side) of the same folded plate 1 than the top portion 44 of the joint portion 40. ing.

一方係合部１４は、第１内側板部１１の上下方向における中間部に形成されている。一方係合部１４は、第１重なり部１０の長手方向の全長に亘って形成されている。一方係合部１４は、継山部４０の内側（折板１の幅方向外側）に向かって凹むように屈曲した断面Ｌ字状に形成されており、縦片部１４０と横片部１４１とで構成されている。 On the other hand, the engaging portion 14 is formed at an intermediate portion in the vertical direction of the first inner plate portion 11. On the other hand, the engaging portion 14 is formed over the entire length of the first overlapping portion 10 in the longitudinal direction. On the other hand, the engaging portion 14 is formed in an L-shaped cross section that is bent so as to be recessed toward the inside of the joint portion 40 (outside in the width direction of the folded plate 1). It consists of

他方係合部１５は、第１外側板部１２に形成されており、継山部４０の頂部４４よりも、同一折板１の第２重なり部２０とは反対側（第２折板１ｂ側）に位置している。他方係合部１５は、第１重なり部１０の長手方向の全長に亘って形成されている。 The other engaging portion 15 is formed on the first outer plate portion 12 and is on the side opposite to the second overlapping portion 20 of the same folded plate 1 from the top portion 44 of the joint portion 40 (the second folded plate 1b side). ). The other engaging portion 15 is formed over the entire length of the first overlapping portion 10 in the longitudinal direction.

本実施形態の他方係合部１５は、第１外側板部１２の下縁部（第１重なり部１０の第２重なり部２０とは反対側の縁部）で構成されて下方に向かって突出している。本実施形態の他方係合部１５は、継山部４０の内側（折板１の幅方向内側）に向かって凹むように断面Ｌ字状に屈曲しており、縦片部１５０と横片部１５１とで構成されている。 The other engaging portion 15 of the present embodiment is configured by a lower edge portion of the first outer plate portion 12 (an edge portion of the first overlapping portion 10 opposite to the second overlapping portion 20) and protrudes downward. ing. The other engagement portion 15 of the present embodiment is bent in an L-shaped cross section so as to be recessed toward the inner side of the joint portion 40 (the inner side in the width direction of the folded plate 1), and the vertical piece portion 150 and the horizontal piece portion. 151.

（一方被係合部及び他方被係合部）
各折板１の第２重なり部２０は、一方被係合部２４と、他方被係合部２５とを有している。一方被係合部２４は、第２外側板部２１に形成されており、継山部４０の頂部４４よりも同一折板１の第１重なり部１０とは反対側（第１折板１ａ側）に位置している。 (One engaged part and the other engaged part)
The second overlapping portion 20 of each folded plate 1 has one engaged portion 24 and the other engaged portion 25. On the other hand, the engaged portion 24 is formed on the second outer side plate portion 21 and is on the side opposite to the first overlapping portion 10 of the same folded plate 1 with respect to the top portion 44 of the joint portion 40 (the first folded plate 1a side). ).

一方被係合部２４は、第２外側板部２１の下縁部（第２重なり部２０において同一折板１の第１重なり部１０とは反対側の縁部）で構成されて下方に向かって突出している。本実施形態の一方被係合部２４は、継山部４０の内側（折板１の幅方向内側）に向かって凹むように断面Ｌ字状に屈曲しており、縦片部２４０と横片部２４１とで構成されている。一方被係合部２４は、第２重なり部２０の長手方向の全長に亘って形成されている。 On the other hand, the engaged portion 24 is configured by a lower edge portion of the second outer plate portion 21 (an edge portion on the opposite side of the second folded portion 20 from the first overlapping portion 10 of the same folded plate 1) and faces downward. Protruding. The one engaged portion 24 of the present embodiment is bent in an L-shaped cross section so as to be recessed toward the inner side of the joint portion 40 (the inner side in the width direction of the folded plate 1), and the vertical piece portion 240 and the horizontal piece Part 241. On the other hand, the engaged portion 24 is formed over the entire length of the second overlapping portion 20 in the longitudinal direction.

一方被係合部２４は、一方係合部１４に沿って配置されており、一方係合部１４に対して係合している。 On the other hand, the engaged portion 24 is disposed along the one engaging portion 14 and is engaged with the one engaging portion 14.

他方被係合部２５は、第２内側板部２２の上下方向における中間部に形成されている。他方被係合部２５は、継山部４０の内側（折板１の幅方向外側）に向かって凹むように断面Ｌ字状に屈曲しており、縦片部２５０と横片部２５１とで構成されている。他方被係合部２５は、第２重なり部２０の長手方向の全長に亘って形成されている。 The other engaged portion 25 is formed at an intermediate portion in the vertical direction of the second inner plate portion 22. On the other hand, the engaged portion 25 is bent in an L-shaped cross section so as to be recessed toward the inner side of the joint portion 40 (the outer side in the width direction of the folded plate 1), and the vertical piece portion 250 and the horizontal piece portion 251. It is configured. On the other hand, the engaged portion 25 is formed over the entire length of the second overlapping portion 20 in the longitudinal direction.

他方被係合部２５は、他方係合部１５に沿って配置されており、他方係合部１５に対して係合している。 The other engaged portion 25 is disposed along the other engaging portion 15 and is engaged with the other engaging portion 15.

（固着具）
各折板１は、図１及び図２に示すように、複数の固着具７によって複数のタイトフレーム６に固着されている。本実施形態では、複数の固着具７により、折板屋根における各天板部１３，２３，３４が、複数のタイトフレーム６に固着されている。 (Fixing tool)
As shown in FIGS. 1 and 2, each folded plate 1 is fixed to a plurality of tight frames 6 by a plurality of fixing tools 7. In the present embodiment, the top plate portions 13, 23, and 34 in the folded plate roof are fixed to the plurality of tight frames 6 by the plurality of fixing tools 7.

複数の固着具７の各々は、図４に示すように、ねじの軸部７０の先端が尖り、かつ軸部７０の先端部に切刃が形成されたドリルねじで構成されている。 As shown in FIG. 4, each of the plurality of fixing tools 7 is constituted by a drill screw in which the tip of the shaft portion 70 of the screw is pointed and a cutting blade is formed at the tip portion of the shaft portion 70.

図２に示すように、複数の固着具７のうち、非継山部３１をタイトフレーム６に固着するための固着具７ａは、頭部７１が天板部３４の上方に位置し、軸部７０が天板部３４を貫通してタイトフレーム６の上片部６４にねじ込まれている。これにより、天板部３４はタイトフレーム６の上片部６４に固着されている。すなわち、天板部３４は上方から挿通された固着具７ａによって上片部６４に固着されており、天板部３４及び上片部６４において固着具７ａがねじ込まれた孔は、固着具７ａの先端部による切削によって形成されている。 As shown in FIG. 2, among the plurality of fixing tools 7, the fixing tool 7 a for fixing the non-mountain portion 31 to the tight frame 6 has a head portion 71 positioned above the top plate portion 34 and a shaft portion. 70 penetrates through the top plate 34 and is screwed into the upper piece 64 of the tight frame 6. Thereby, the top plate portion 34 is fixed to the upper piece portion 64 of the tight frame 6. That is, the top plate portion 34 is fixed to the upper piece portion 64 by the fixing tool 7a inserted from above, and the hole into which the fixing tool 7a is screwed in the top plate portion 34 and the upper piece portion 64 is formed in the fixing tool 7a. It is formed by cutting with the tip.

複数の固着具７のうち、継山部４０をタイトフレーム６に固着するための固着具７ｂは、頭部７１が第２天板部２３の上方に位置し、軸部７０が、第１天板部１３と第２天板部２３とを上下方向に貫通してタイトフレーム６の上片部６４にねじ込まれている。これにより、第１天板部１３と第２天板部２３とは、タイトフレーム６の上片部６４に固着されている。すなわち、第１天板部１３及び第２天板部２３は、上方から挿通された固着具７ｂによって上片部６４に固着されており、第１天板部１３、第２天板部２３及び上片部６４の各々において固着具７ｂがねじ込まれた孔は、固着具７ｂの先端部による切削によって形成されている。 Among the plurality of fixing tools 7, the fixing tool 7 b for fixing the joint portion 40 to the tight frame 6 has a head portion 71 positioned above the second top plate portion 23 and a shaft portion 70 having a first ceiling. The plate portion 13 and the second top plate portion 23 are vertically passed through and screwed into the upper piece 64 of the tight frame 6. Thereby, the first top plate portion 13 and the second top plate portion 23 are fixed to the upper piece portion 64 of the tight frame 6. That is, the first top plate portion 13 and the second top plate portion 23 are fixed to the upper piece portion 64 by the fixing tool 7b inserted from above, and the first top plate portion 13, the second top plate portion 23, and The hole into which the fixing tool 7b is screwed in each of the upper piece portions 64 is formed by cutting with the tip of the fixing tool 7b.

本実施形態の各固着具７は、図４に示すように、軸部７０の基端部にパッキン７２が取り付けられたパッキン付ドリルねじである。各固着具７のパッキン７２は、頭部７１と、天板部２３（又は３４）との間に配置されて上下方向に圧縮されている。頭部７１と天板部２３（又は３４）との間は、パッキン７２により封止されている。このため、天板部１３，２３（又は３４）において固着具７の軸部７０が挿通された部分からは、雨水が浸入し難くなっている。 As shown in FIG. 4, each fixing tool 7 of the present embodiment is a drill screw with packing in which a packing 72 is attached to the base end portion of the shaft portion 70. The packing 72 of each fixing tool 7 is disposed between the head 71 and the top plate part 23 (or 34) and is compressed in the vertical direction. A space between the head 71 and the top plate 23 (or 34) is sealed with a packing 72. For this reason, it is difficult for rainwater to enter from the portion of the top plate portion 13, 23 (or 34) through which the shaft portion 70 of the fixing tool 7 is inserted.

図５に示すように、本実施形態の各折板１の第１天板部１３の上面及び第２天板部２３の上面の各々には、ガイド凹部２６が形成されている。各ガイド凹部２６は、固着具７ｂを天板部２３に上方から挿通させる際のガイドとなる。第１天板部１３のガイド凹部２６は、第１天板部１３において幅方向の中心に位置しており、第１天板部１３の長手方向の全長に亘って形成されている。第２天板部２３のガイド凹部２６は、第２天板部２３において幅方向の中心に位置しており、第２天板部２３の長手方向の全長に亘って形成されている。 As shown in FIG. 5, a guide recess 26 is formed on each of the upper surface of the first top plate portion 13 and the upper surface of the second top plate portion 23 of each folded plate 1 of the present embodiment. Each guide recess 26 serves as a guide when the fastener 7b is inserted through the top plate portion 23 from above. The guide recess 26 of the first top plate 13 is located at the center in the width direction of the first top plate 13 and is formed over the entire length of the first top plate 13 in the longitudinal direction. The guide recess 26 of the second top plate portion 23 is located at the center in the width direction of the second top plate portion 23 and is formed over the entire length of the second top plate portion 23 in the longitudinal direction.

本実施形態では、第１天板部１３の幅方向における中間部が、下方に突出するように屈曲しており、この屈曲部分の上面により、第１天板部１３の下方に凹んだガイド凹部２６が構成されている。また、第２天板部２３の幅方向における中間部が、下方に突出するように屈曲しており、この屈曲部分の上面により、第２天板部２３の下方に凹んだガイド凹部２６が構成されている。 In the present embodiment, the intermediate portion in the width direction of the first top plate portion 13 is bent so as to protrude downward, and the guide concave portion recessed below the first top plate portion 13 by the upper surface of this bent portion. 26 is configured. Further, the intermediate portion in the width direction of the second top plate portion 23 is bent so as to protrude downward, and the upper surface of the bent portion constitutes a guide recess 26 that is recessed below the second top plate portion 23. Has been.

また、本実施形態では、第２天板部２３のガイド凹部２６を構成する前記屈曲部分が、第１天板部１３のガイド凹部２６を構成する前記屈曲部分に嵌まり込み、これにより、第２天板部２３は第１天板部１３に対して位置決めされる。そして、第１天板部１３及び第２天板部２３をタイトフレーム６に固着する固着具７ｂの軸部７０は、第１天板部１３のガイド凹部２６と、第２天板部２３のガイド凹部２６とに挿通される。 In the present embodiment, the bent portion constituting the guide concave portion 26 of the second top plate portion 23 is fitted into the bent portion constituting the guide concave portion 26 of the first top plate portion 13, thereby The two top plates 23 are positioned with respect to the first top plate 13. The shaft portion 70 of the fixing tool 7b that fixes the first top plate portion 13 and the second top plate portion 23 to the tight frame 6 includes the guide concave portion 26 of the first top plate portion 13 and the second top plate portion 23. The guide recess 26 is inserted.

作業者は、図４に示す固着具７ｂを用いて継山部４０（第１重なり部１０及び第２重なり部２０）をタイトフレーム６に固着する際に、固着具７ｂの軸部７０の先端を第２天板部２３のガイド凹部２６に合わせ、この後、固着具７ｂを第１天板部１３及び第２天板部２３に通して上片部６４にねじ込む。このため、作業者は、固着具７ｂを、第１天板部１３、第２天板部２３及び上片部６４の各々の幅方向の中心位置に容易にねじ込むことができる。また、このように継山部４０をタイトフレーム６に固着する際には、作業者は、固着具７ｂの軸部７０の先端部を第１天板部１３及び第２天板部２３の各々のガイド凹部２６に差し込んだ状態で、固着具７ｂを回転させることができる。このとき、第１天板部１３及び第２天板部２３の各々のガイド凹部２６の両側面により、固着具７ｂが第２天板部２３の幅方向において移動することが規制されるため、作業者は固着具７ｂを第１天板部１３、第２天板部２３及び上片部６４に容易にねじ込むことができる。 When the worker fixes the joint portion 40 (the first overlapping portion 10 and the second overlapping portion 20) to the tight frame 6 using the fixing tool 7b shown in FIG. 4, the tip of the shaft portion 70 of the fixing tool 7b. Is aligned with the guide concave portion 26 of the second top plate portion 23, and then the fixing tool 7 b is screwed into the upper piece portion 64 through the first top plate portion 13 and the second top plate portion 23. Therefore, the operator can easily screw the fixing tool 7b into the center position in the width direction of each of the first top plate portion 13, the second top plate portion 23, and the upper piece portion 64. Further, when fixing the joint portion 40 to the tight frame 6 in this way, the operator attaches the tip portion of the shaft portion 70 of the fixing tool 7b to each of the first top plate portion 13 and the second top plate portion 23. The fixing tool 7b can be rotated while being inserted into the guide recess 26. At this time, since the fixing tool 7b is restricted from moving in the width direction of the second top plate portion 23 by the both side surfaces of the respective guide recesses 26 of the first top plate portion 13 and the second top plate portion 23, The operator can easily screw the fixing tool 7b into the first top plate portion 13, the second top plate portion 23, and the upper piece portion 64.

なお、本実施形態の各折板１にあっては、図３に示すように、複数の天板部３４の各々の上面にも、ガイド凹部２６と同様のガイド凹部３５が形成されている。 In each folded plate 1 of the present embodiment, as shown in FIG. 3, a guide recess 35 similar to the guide recess 26 is also formed on each upper surface of the plurality of top plate portions 34.

（かしめ固定）
図５に示すように、隣接する折板１のうちの一方の折板１である第１折板１ａの第１重なり部１０には、他方の折板１である第２折板１ｂの第２重なり部２０の長手方向の一部がかしめ固定されている。このかしめ固定は、第２重なり部２０の一方被係合部２４及び他方被係合部２５を、第１重なり部１０の一方係合部１４及び他方係合部１５にそれぞれ係合した状態でかしめることによって行われる。 (Caulking fixed)
As shown in FIG. 5, the first overlapping portion 10 of the first folded plate 1 a that is one folded plate 1 of the adjacent folded plates 1 has a second folded plate 1 b that is the other folded plate 1. A part of the overlapping portion 20 in the longitudinal direction is fixed by caulking. This caulking is fixed in a state where the one engaged portion 24 and the other engaged portion 25 of the second overlapping portion 20 are engaged with the one engaging portion 14 and the other engaging portion 15 of the first overlapping portion 10, respectively. This is done by caulking.

本実施形態では、前述のかしめ固定が、第２重なり部２０において平面視で隣り合う横架材５の間に位置する部分であって、第２重なり部２０の長手方向に間隔を介した複数の箇所で行われている。例えば前述のかしめ固定は、第２重なり部２０において図１に示す一点鎖線で囲まれた範囲で行われる。 In the present embodiment, the above-described caulking is a portion located between the horizontal members 5 adjacent to each other in plan view in the second overlapping portion 20, and a plurality of the fixings are spaced in the longitudinal direction of the second overlapping portion 20. It is done in the place of. For example, the above-described caulking is performed in the range surrounded by the one-dot chain line shown in FIG.

前述のかしめ固定は、例えば図６に示す締機８を用いて行われる。締機８は、対向する一対の爪８０，８１と、一対の爪８０，８１の間に配置された押さえ部８２とを備えている。 The above-described caulking and fixing is performed using, for example, a tightening machine 8 shown in FIG. The tightening machine 8 includes a pair of opposed claws 80 and 81 and a pressing portion 82 disposed between the pair of claws 80 and 81.

一対の爪８０，８１のうちの一方の爪８０は、他方の爪８１に対して、一対の爪８０，８１の先端部の間の距離が変更できるように相対的に回転可能に連結されている。押さえ部８２は、一対の爪８０，８１同士の連結部分から、一対の爪８０，８１の間に向かって突出している。 One claw 80 of the pair of claws 80, 81 is connected to the other claw 81 so as to be relatively rotatable so that the distance between the tips of the pair of claws 80, 81 can be changed. Yes. The pressing portion 82 protrudes between the pair of claws 80, 81 from the connecting portion between the pair of claws 80, 81.

図６では、かしめ固定前の第１重なり部１０及び第２重なり部２０が実線で示されており、かしめ固定後の第１重なり部１０及び第２重なり部２０が二点鎖線で示されている。かしめ固定前の第２重なり部２０は、長手方向の全長に亘って、一方被係合部２４が一方係合部１４に係合しかつ他方被係合部２５が他方係合部１５に係合している。 In FIG. 6, the first overlapping portion 10 and the second overlapping portion 20 before caulking are shown by solid lines, and the first overlapping portion 10 and the second overlapping portion 20 after caulking are shown by two-dot chain lines. Yes. The second overlapping portion 20 before the caulking is fixed has one engaged portion 24 engaged with the one engaging portion 14 and the other engaged portion 25 engaged with the other engaging portion 15 over the entire length in the longitudinal direction. Match.

第２重なり部２０は、例えば以下に示すように、締機８を用いて第１重なり部１０にかしめ固定される。作業者は、まず、図６に示すように、一対の爪８０，８１を、当該一対の爪８０，８１の間に一方被係合部２４と他方被係合部２５とが位置するように配置し、且つ、押さえ部８２を第1天板部１３の上に重ねた第２天板部２３の上面に沿って配置する。 The second overlapping portion 20 is caulked and fixed to the first overlapping portion 10 by using a fastening machine 8 as shown below, for example. First, as shown in FIG. 6, the operator places the pair of claws 80 and 81 so that the one engaged portion 24 and the other engaged portion 25 are positioned between the pair of claws 80 and 81. It arrange | positions and it arrange | positions along the upper surface of the 2nd top-plate part 23 which piled up the holding | suppressing part 82 on the 1st top-plate part 13. FIG.

次に作業者は、押さえ部８２により第２天板部２３を上方から押さえながら、一方の爪８０を他方の爪８１に対して相対的に回転して、一対の爪８０，８１の先端部同士を近づけ、一対の爪８０，８１の先端部で第２重なり部２０における一方被係合部２４と他方被係合部２５とを挟み込む。これにより、第２重なり部２０は、押さえ部８２によって第１天板部１３及び第２天板部２３の変形が抑制された状態で、一方被係合部２４と他方被係合部２５とが互いに近づくように変形し、一方被係合部２４が一方係合部１４にかしめ固定され、他方被係合部２５が他方係合部１５にかしめ固定される。 Next, the operator rotates the one claw 80 relative to the other claw 81 while pressing the second top plate portion 23 from above with the pressing portion 82, so that the tip portions of the pair of claws 80, 81 are rotated. The first engaged portion 24 and the other engaged portion 25 in the second overlapping portion 20 are sandwiched between the tip portions of the pair of claws 80 and 81. As a result, the second overlapping portion 20 has the one engaged portion 24 and the other engaged portion 25 in a state where the deformation of the first top plate portion 13 and the second top plate portion 23 is suppressed by the pressing portion 82. Are deformed so as to approach each other, one engaged portion 24 is caulked and fixed to one engaging portion 14, and the other engaged portion 25 is caulked and fixed to the other engaging portion 15.

図５に示すように、第２重なり部２０が第１重なり部１０にかしめ固定された部分では、一方係合部１４、他方係合部１５、一方被係合部２４、他方被係合部２５の各々の縦片部１４０，１５０，２４０，２５０は、下端に近い部分ほど、継山部４０の内側に位置するように鉛直方向に対して傾斜している。このため、一方被係合部２４は一方係合部１４から上方に外れ難く、また、他方被係合部２５は他方係合部１５から上方に外れ難い。 As shown in FIG. 5, at the portion where the second overlapping portion 20 is caulked and fixed to the first overlapping portion 10, one engaging portion 14, the other engaging portion 15, one engaged portion 24, and the other engaged portion Each of the vertical piece portions 140, 150, 240, 250 of 25 is inclined with respect to the vertical direction so that the portion closer to the lower end is located inside the joint portion 40. For this reason, the one engaged portion 24 is difficult to disengage upward from the one engaging portion 14, and the other engaged portion 25 is difficult to disengage upward from the other engaging portion 15.

（変形例）
次に変形例について説明する。以下の変形例の説明では、前記実施形態と共通する構成については同一の符号を付して説明を省略する。 (Modification)
Next, a modified example will be described. In the following description of the modified examples, the same reference numerals are assigned to the configurations common to the above-described embodiment, and the description thereof is omitted.

本変形例では、図７に示すように、折板１をタイトフレーム６に固着するための固着具７が、剣先ボルト７３とナット７４とから構成されている。 In this modified example, as shown in FIG. 7, the fixing tool 7 for fixing the folded plate 1 to the tight frame 6 includes a sword tip bolt 73 and a nut 74.

剣先ボルト７３は、タイトフレーム６の上片部６４から上方に向かって突出し、第１天板部１３及び第２天板部２３を貫通する。ナット７４は、剣先ボルト７３において第２天板部２３から上方に突出した部分に螺合され、タイトフレーム６の上片部６４との間に第１天板部１３及び第２天板部２３を挟み込む。これにより、第１天板部１３及び第２天板部２３は、タイトフレーム６に固着される。なお、ナット７４と第２天板部２３との間には、ワッシャやパッキンが設けられてもよい。 The sword tip bolt 73 projects upward from the upper piece 64 of the tight frame 6 and penetrates the first top plate 13 and the second top plate 23. The nut 74 is screwed into a portion of the sword tip bolt 73 protruding upward from the second top plate portion 23, and between the upper piece portion 64 of the tight frame 6, the first top plate portion 13 and the second top plate portion 23. Is inserted. Thereby, the first top plate portion 13 and the second top plate portion 23 are fixed to the tight frame 6. A washer or packing may be provided between the nut 74 and the second top plate portion 23.

また、上記のように固着具７が、剣先ボルト７３とナット７４とで構成される場合、第１天板部１３及び第２天板部２３には、ガイド凹部２６は形成されないが、第１天板部１３及び第２天板部２３の各々の下面には、剣先ボルト７３を挿通させるためのガイドとなるガイド凹部２７を形成することが好ましい。すなわち、この場合、剣先ボルト７３は、第１天板部１３及び第２天板部２３の各々のガイド凹部２７に挿通される。 Further, when the fixing tool 7 is constituted by the sword tip bolt 73 and the nut 74 as described above, the guide recess 26 is not formed in the first top plate portion 13 and the second top plate portion 23, but the first It is preferable that a guide recess 27 serving as a guide for inserting the sword tip bolt 73 is formed on the lower surface of each of the top plate portion 13 and the second top plate portion 23. In other words, in this case, the sword tip bolt 73 is inserted into the respective guide recesses 27 of the first top plate portion 13 and the second top plate portion 23.

図７に示すガイド凹部２７は、第１天板部１３（又は第２天板部２３）における幅方向の中心に位置しており、第１天板部１３（又は第２天板部２３）の長手方向の全長に亘って形成されている。また、第１天板部１３（又は第２天板部２３）の幅方向における中間部が、上方に突出するように屈曲しており、この屈曲部分の下面により上方に凹んだガイド凹部２７が構成されている。 The guide recessed part 27 shown in FIG. 7 is located in the center of the width direction in the 1st top-plate part 13 (or 2nd top-plate part 23), and the 1st top-plate part 13 (or 2nd top-plate part 23). Are formed over the entire length in the longitudinal direction. Further, the intermediate portion in the width direction of the first top plate portion 13 (or the second top plate portion 23) is bent so as to protrude upward, and a guide concave portion 27 recessed upward by the lower surface of this bent portion. It is configured.

このように第１天板部１３及び第２天板部２３の各々の下面にガイド凹部２７を形成することで、作業者は、剣先ボルト７３を各天板部１３，２３に下方から貫通させるときには、各天板部１３，２３の下面に形成されたガイド凹部２７をガイドとすることができる。このため、剣先ボルト７３を各天板部１３，２３に容易に貫通させることができる。 Thus, by forming the guide recessed part 27 in each lower surface of the 1st top-plate part 13 and the 2nd top-plate part 23, an operator penetrates the sword tip bolt 73 to each top-plate part 13 and 23 from the downward direction. In some cases, a guide recess 27 formed on the lower surface of each of the top plate portions 13 and 23 can be used as a guide. For this reason, the sword tip bolt 73 can be easily penetrated through the top plate portions 13 and 23.

（補足）
なお、前記実施形態及び変形例では、一方被係合部２４及び他方被係合部２５が、第２重なり部２０の長手方向における２箇所において、一方係合部１４及び他方係合部１５にそれぞれかしめ固定されているが、第２重なり部２０の長手方向の３箇所以上又は１箇所のみにおいて、一方係合部１４及び他方係合部１５にそれぞれかしめ固定されてもよい。 (Supplement)
In the embodiment and the modified example, the one engaged portion 24 and the other engaged portion 25 are connected to the one engaging portion 14 and the other engaging portion 15 at two positions in the longitudinal direction of the second overlapping portion 20. Although they are respectively caulked and fixed, they may be caulked and fixed to the one engaging portion 14 and the other engaging portion 15 at three or more in the longitudinal direction of the second overlapping portion 20 or only at one location.

また、例えば、一方被係合部２４及び他方被係合部２５は、一方被係合部２４及び他方被係合部２５、並びに一方係合部１４及び他方係合部１５の各々の凹みの深さや当該凹みの隅部の角度等を調整することにより、一方係合部１４及び他方係合部１５にそれぞれ強固に固定することが可能である。このため、一方被係合部２４及び他方被係合部２５は、一方係合部１４及び他方係合部１５にかしめ固定されていなくてもよい。すなわち、一方被係合部２４及び他方被係合部２５は、少なくとも一方係合部１４及び他方係合部１５に対して係合されていればよい。 Further, for example, the one engaged portion 24 and the other engaged portion 25 are formed by the depression of each of the one engaged portion 24 and the other engaged portion 25, and the one engaging portion 14 and the other engaging portion 15. By adjusting the depth, the angle of the corner of the dent, etc., it is possible to firmly fix the one engaging portion 14 and the other engaging portion 15 respectively. For this reason, the one engaged portion 24 and the other engaged portion 25 may not be caulked and fixed to the one engaging portion 14 and the other engaging portion 15. That is, the one engaged portion 24 and the other engaged portion 25 may be engaged with at least the one engaging portion 14 and the other engaging portion 15.

また、前記実施形態のガイド凹部２６及びガイド凹部３５のうちの一方又は両方は省略可能である。また、前記変形例におけるガイド凹部２７及びガイド凹部３５のうちの一方又は両方は省略可能である。 In addition, one or both of the guide recess 26 and the guide recess 35 of the embodiment can be omitted. Further, one or both of the guide recess 27 and the guide recess 35 in the modified example can be omitted.

また、折板１には非継山部３１が形成されなくてもよい。 Moreover, the non-joint portion 31 may not be formed on the folded plate 1.

また、本実施形態の各折板１には、第１重なり部１０と第２重なり部２０との間に２つの山部３１が形成されているが、この山部３１の数が限定されず、１又は３以上設けられてもよい。また、第１重なり部１０と第２重なり部２０との間には、山部３１が設けられなくてもよい。 Moreover, although the two peak parts 31 are formed in each folded plate 1 of this embodiment between the 1st overlap part 10 and the 2nd overlap part 20, the number of this peak part 31 is not limited. 1 or 3 or more may be provided. Further, the peak portion 31 may not be provided between the first overlapping portion 10 and the second overlapping portion 20.

また、本実施形態の横架材５は、Ｈ型鋼から形成されているが、例えばＩ型鋼やＣ型鋼、リップ付き溝形鋼等であってもよい。また、各横架材５は、母屋等の他の横架材５であってもよい。 Moreover, although the horizontal member 5 of this embodiment is formed from H-shaped steel, for example, I-shaped steel, C-shaped steel, grooved steel with a lip, or the like may be used. Further, each horizontal member 5 may be another horizontal member 5 such as a purlin.

また、この他、前記実施形態の屋根構造及び折板１は、適宜設計変更可能である。 In addition, the roof structure and the folded plate 1 of the embodiment can be appropriately changed in design.

（効果）
前記実施形態及び変形例の屋根構造は、以下に示す特徴を有している。屋根構造は、第１折板１ａと、第１折板１ａと並べて設置された第２折板１ｂとを備えている。第１折板１ａは、第２折板１ｂ側の端部に形成され、上方に突出した第１重なり部１０を有している。第２折板１ｂは、第１折板１ａ側の端部に形成され、上方に突出した第２重なり部２０を有している。第２重なり部２０が第１重なり部１０の上に重なり、第１重なり部１０と第２重なり部２０とで、上方から見て第１折板１ａと第２折板１ｂとが並ぶ方向と直交する方向に延びた山部（継山部）４０が形成されている。第１重なり部１０は、山部４０の頂部４４よりも第１折板１ａ側に位置する一方係合部１４と、頂部４４よりも第２折板１ｂ側に位置する他方係合部１５とを有している。第２重なり部２０は、一方係合部１４に係合可能な一方被係合部２４と、他方係合部１５に係合可能な他方被係合部２５とを有している。山部４０の長手方向における一部において、一方被係合部２４が一方係合部１４にかしめ固定され、且つ他方被係合部２５が他方係合部１５にかしめ固定されている。以下、この特徴を有する屋根構造を、第１の態様の屋根構造という。 (effect)
The roof structure of the said embodiment and modification has the characteristics shown below. The roof structure includes a first folded plate 1a and a second folded plate 1b installed side by side with the first folded plate 1a. The first folded plate 1a is formed at an end portion on the second folded plate 1b side and has a first overlapping portion 10 protruding upward. The second folded plate 1b is formed at an end portion on the first folded plate 1a side and has a second overlapping portion 20 protruding upward. The second overlapping portion 20 overlaps the first overlapping portion 10, and the first overlapping portion 10 and the second overlapping portion 20 are arranged in a direction in which the first folded plate 1a and the second folded plate 1b are aligned when viewed from above. A peak part (mountain part) 40 extending in a direction orthogonal to each other is formed. The first overlapping portion 10 includes one engaging portion 14 located on the first folded plate 1a side with respect to the top portion 44 of the peak portion 40, and the other engaging portion 15 located on the second folded plate 1b side with respect to the top portion 44. have. The second overlapping portion 20 has a first engaged portion 24 that can be engaged with the one engaging portion 14 and a second engaged portion 25 that can be engaged with the other engaging portion 15. In a part of the mountain portion 40 in the longitudinal direction, the one engaged portion 24 is caulked and fixed to the one engaging portion 14, and the other engaged portion 25 is caulked and fixed to the other engaging portion 15. Hereinafter, the roof structure having this feature is referred to as the roof structure of the first aspect.

第１の態様の屋根構造にあっては、第１折板１ａの第１重なり部１０と、第２折板１ｂの第２重なり部２０とを、かしめ固定によって接続できる。このため、第１折板１ａと第２折板１ｂとの接続に用いられるボルト（例えば従来のワンサイドボルト）の数と、このボルトを通すために第１折板１ａと第２折板１ｂとに形成される孔の数とを減らすことができる。従って、折板１の施工性及び防水性が向上する。 In the roof structure of the first aspect, the first overlapping portion 10 of the first folded plate 1a and the second overlapping portion 20 of the second folded plate 1b can be connected by caulking. For this reason, the number of bolts (for example, conventional one-side bolts) used for connecting the first folded plate 1a and the second folded plate 1b, and the first folded plate 1a and the second folded plate 1b for passing the bolts. It is possible to reduce the number of holes formed in each. Therefore, the workability and waterproofness of the folded plate 1 are improved.

また、前記実施形態及び変形例の屋根構造は、第１の態様の屋根構造において、以下に示す付加的な特徴を有している。一方被係合部２４は、第２折板１ｂの第１折板１ａ側の縁部で構成されて下方に向かって突出している。他方係合部１５は、第１折板１ａの第２折板１ｂ側の縁部で構成されて下方に向かって突出している。一方係合部１４及び他方被係合部２５の各々が、山部の内側に向かって凹むように屈曲している。以下、この屋根構造を第２の態様の屋根構造という。 Moreover, the roof structure of the said embodiment and modification has the additional characteristic shown below in the roof structure of a 1st aspect. On the other hand, the engaged portion 24 is configured by an edge portion of the second folded plate 1b on the first folded plate 1a side and protrudes downward. The other engaging part 15 is comprised by the edge part by the side of the 2nd folded plate 1b of the 1st folded plate 1a, and protrudes toward the downward direction. Each of the one engaging portion 14 and the other engaged portion 25 is bent so as to be recessed toward the inside of the peak portion. Hereinafter, this roof structure is referred to as the roof structure of the second aspect.

第２の態様の屋根構造にあっては、一方被係合部２４、他方被係合部２５、一方係合部１４及び他方係合部１５の各々を簡易形状にして容易に形成できる。 In the roof structure of the second aspect, each of the one engaged portion 24, the other engaged portion 25, the one engaging portion 14, and the other engaging portion 15 can be easily formed in a simple shape.

また、前記実施形態の屋根構造は、第１又は第２の態様の屋根構造において、以下に示す付加的な特徴を有している。屋根構造は、横架材５と、横架材５に固定されたタイトフレーム６と、第１重なり部１０及び第２重なり部２０をタイトフレーム６に固着する固着具７とを備えている。第１重なり部１０は、タイトフレーム６の上に配置された第１天板部１３を有している。第２重なり部２０は、第１天板部１３の上に重なり、第１天板部１３とで山部４０の頂部４４を構成する第２天板部２３を有している。固着具７は、第２天板部２３及び第１天板部１３を貫通してタイトフレーム６にねじ込まれたドリルねじである。第１天板部１３の上面及び第２天板部２３の上面の各々にガイド凹部２６が形成されている。固着具７は、第１天板部１３のガイド凹部２６と第２天板部２３のガイド凹部２６とに挿通されている。以下、この屋根構造を、第３の態様の屋根構造という。 Moreover, the roof structure of the said embodiment has the additional characteristic shown below in the roof structure of the 1st or 2nd aspect. The roof structure includes a horizontal member 5, a tight frame 6 fixed to the horizontal member 5, and a fixing tool 7 that fixes the first overlapping portion 10 and the second overlapping portion 20 to the tight frame 6. The first overlapping portion 10 has a first top plate portion 13 disposed on the tight frame 6. The second overlapping portion 20 has a second top plate portion 23 that overlaps the first top plate portion 13 and constitutes the top portion 44 of the mountain portion 40 with the first top plate portion 13. The fixing tool 7 is a drill screw that passes through the second top plate portion 23 and the first top plate portion 13 and is screwed into the tight frame 6. A guide recess 26 is formed on each of the upper surface of the first top plate portion 13 and the upper surface of the second top plate portion 23. The fastener 7 is inserted into the guide recess 26 of the first top plate portion 13 and the guide recess 26 of the second top plate portion 23. Hereinafter, this roof structure is referred to as the roof structure of the third aspect.

第３の態様の屋根構造にあっては、作業者は、固着具７（ドリルねじ）を、第２天板部２３及び第１天板部１３に貫通させてタイトフレーム６にねじ込むことで、第１天板部１３及び第２天板部２３を上方からタイトフレーム６に固着できる。また、この場合、作業者は、固着具７を第２天板部２３のガイド凹部２６に通すことで、固着具７を、第１天板部１３、第２天板部２３及びタイトフレーム６の各々の幅方向における所定位置にねじこむことができる。また、作業者は、固着具７の先端部を第１天板部１３のガイド凹部２６及び第２天板部２３のガイド凹部２６の各々に差し込んだ状態で、固着具７を回転させることができる。このとき、各ガイド凹部２６の両側面により、固着具７が第２天板部２３の幅方向において移動することが規制される。従って、作業者は、第１天板部１３及び第２天板部２３をタイトフレーム６に対して容易且つ適切に固定できる。 In the roof structure of the third aspect, the operator penetrates the fixing tool 7 (drill screw) through the second top plate portion 23 and the first top plate portion 13 and screws it into the tight frame 6. The first top plate portion 13 and the second top plate portion 23 can be fixed to the tight frame 6 from above. Further, in this case, the operator passes the fixing tool 7 through the guide recess 26 of the second top plate portion 23, so that the fixing tool 7 is inserted into the first top plate portion 13, the second top plate portion 23, and the tight frame 6. Can be screwed into a predetermined position in each width direction. In addition, the operator can rotate the fixing tool 7 in a state in which the distal end portion of the fixing tool 7 is inserted into each of the guide concave portion 26 of the first top plate portion 13 and the guide concave portion 26 of the second top plate portion 23. it can. At this time, the movement of the fixing tool 7 in the width direction of the second top plate portion 23 is restricted by both side surfaces of each guide recess 26. Therefore, the operator can easily and appropriately fix the first top plate portion 13 and the second top plate portion 23 to the tight frame 6.

また、前記変形例の屋根構造は、第１又は第２の態様の屋根構造において、以下に示す付加的な特徴を有している。屋根構造は、横架材５と、横架材５に固定されたタイトフレーム６と、第１重なり部１０及び第２重なり部２０をタイトフレーム６に固着する固着具７とを備えている。第１重なり部１０は、タイトフレーム６の上に配置された第１天板部１３を有している。第２重なり部２０は、第１天板部１３の上に重なり、第１天板部１３とで山部４０の頂部４４を構成する第２天板部２３を有している。固着具７は、タイトフレーム６から上方に向かって突出し、第１天板部１３及び第２天板部２３を貫通した剣先ボルト７３と、剣先ボルト７３において第２天板部２３より上方に突出した部分に螺合されたナット７４とを有している。第１天板部１３の下面と第２天板部２３の下面との各々にガイド凹部２７が形成されている。剣先ボルト７３は、第１天板部１３のガイド凹部２７と第２天板部２３のガイド凹部２７とに挿通されている。以下、この屋根構造を、第４の態様の屋根構造という。 Moreover, the roof structure of the said modification has the additional characteristic shown below in the roof structure of the 1st or 2nd aspect. The roof structure includes a horizontal member 5, a tight frame 6 fixed to the horizontal member 5, and a fixing tool 7 that fixes the first overlapping portion 10 and the second overlapping portion 20 to the tight frame 6. The first overlapping portion 10 has a first top plate portion 13 disposed on the tight frame 6. The second overlapping portion 20 has a second top plate portion 23 that overlaps the first top plate portion 13 and constitutes the top portion 44 of the mountain portion 40 with the first top plate portion 13. The fixing tool 7 protrudes upward from the tight frame 6, and a sword tip bolt 73 penetrating the first top plate part 13 and the second top plate part 23, and the sword tip bolt 73 projects upward from the second top plate part 23. And a nut 74 screwed into the portion. A guide recess 27 is formed in each of the lower surface of the first top plate portion 13 and the lower surface of the second top plate portion 23. The sword tip bolt 73 is inserted into the guide concave portion 27 of the first top plate portion 13 and the guide concave portion 27 of the second top plate portion 23. Hereinafter, this roof structure is referred to as a roof structure according to a fourth aspect.

第４の態様の屋根構造にあっては、作業者は、剣先ボルト７３を、第１天板部１３及び第２天板部２３に貫通させ、この剣先ボルト７３における第２天板部２３よりも上方に突出した部分にナット７４を螺合することで、第１天板部１３及び第２天板部２３をタイトフレーム６に固着できる。この場合、作業者は、剣先ボルト７３を第１天板部１３及び第２天板部２３の各々のガイド凹部２７に通すことで、剣先ボルト７３を、第１天板部１３及び第２天板部２３の各々の幅方向における所定位置に通すことができる。また、作業者が、剣先ボルト７３を第１天板部１３及び第２天板部２３に各々に貫通させるとき、剣先ボルト７３は、第１天板部１３及び第２天板部２３の各々のガイド凹部２７の両側面により、第１天板部１３及び第２天板部２３の各々の幅方向に移動することが規制される。従って、作業者は、第１天板部１３及び第２天板部２３をタイトフレーム６に対して容易且つ適切に固定できる。 In the roof structure according to the fourth aspect, the operator passes the sword tip bolt 73 through the first top plate portion 13 and the second top plate portion 23, and the second top plate portion 23 of the sword tip bolt 73 is used. Further, the first top plate portion 13 and the second top plate portion 23 can be fixed to the tight frame 6 by screwing the nut 74 into the portion protruding upward. In this case, the operator passes the sword tip bolt 73 through the guide recesses 27 of the first top plate portion 13 and the second top plate portion 23, thereby inserting the sword tip bolt 73 into the first top plate portion 13 and the second top plate portion 13. The plate portion 23 can be passed through a predetermined position in the width direction. Further, when the operator passes the sword tip bolt 73 through the first top plate part 13 and the second top plate part 23, the sword tip bolt 73 is connected to each of the first top plate part 13 and the second top plate part 23. The both side surfaces of the guide recess 27 are restricted from moving in the width direction of each of the first top plate portion 13 and the second top plate portion 23. Therefore, the operator can easily and appropriately fix the first top plate portion 13 and the second top plate portion 23 to the tight frame 6.

１折板
１ａ第１折板
１ｂ第２折板
１０第１重なり部
１３第１天板部
１４一方係合部
１５他方係合部
２０第２重なり部
２３第２天板部
２４一方被係合部
２５他方被係合部
２６ガイド凹部
２７ガイド凹部
４０山部（継山部）
４４頂部
５横架材
６タイトフレーム
７固着具（ドリルねじ）
７３剣先ボルト
７４ナット DESCRIPTION OF SYMBOLS 1 Folded plate 1a 1st folded plate 1b 2nd folded plate 10 1st overlap part 13 1st top plate part 14 One engagement part 15 The other engagement part 20 2nd overlap part 23 2nd top plate part 24 One engaged Part 25 Other engaged part 26 Guide concave part 27 Guide concave part 40 Mountain part (joint part)
44 Top 5 Horizontal member 6 Tight frame 7 Fastening tool (drill screw)
73 Blade tip bolt 74 Nut

Claims

A first folded plate;
A second folded plate installed side by side with the first folded plate,
The first folded plate is
Formed at the end of the second folded plate side and having a first overlapping portion protruding upward;
The second folded plate is
Formed at an end portion on the first folded plate side and having a second overlapping portion protruding upward;
The second overlapping portion overlaps the first overlapping portion, and the first overlapping portion and the second overlapping portion are arranged in a direction in which the first folded plate and the second folded plate are aligned when viewed from above. A ridge that extends in the orthogonal direction is formed,
The first overlapping portion is
One engaging portion located on the first folded plate side with respect to the top of the mountain portion,
Having the other engaging portion located on the second folded plate side with respect to the top,
The second overlapping portion is
One engaged portion engaged with the one engaging portion;
And the other engaged portion engaged with the other engaging portion,
The one engaged portion is caulked and fixed to the one engaging portion, and the other engaged portion is caulked and fixed to the other engaging portion in a part of the peak portion in the longitudinal direction. And the roof structure.

The one engaged portion is configured by an edge portion on the first folded plate side of the second folded plate and protrudes downward,
The other engagement portion is configured by an edge of the first folded plate on the second folded plate side and protrudes downward,
The roof structure according to claim 1, wherein each of the one engaging portion and the other engaged portion is bent so as to be recessed toward the inside of the mountain portion.

A horizontal member,
A tight frame fixed to the horizontal member,
A fixing tool for fixing the first overlapping portion and the second overlapping portion to the tight frame;
The first overlapping portion is
A first top plate disposed on the tight frame;
The second overlapping portion is
A second top plate that overlaps the first top plate and forms the top of the peak with the first top plate;
The fixing tool is a drill screw that penetrates the second top plate portion and the first top plate portion and is screwed into the tight frame,
A guide recess is formed on each of the upper surface of the first top plate portion and the upper surface of the second top plate portion,
The roof structure according to claim 1 or 2, wherein the fixing tool is inserted into the guide recess of the first top plate portion and the guide recess of the second top plate portion.

A horizontal member,
A tight frame fixed to the horizontal member,
A fixing tool for fixing the first overlapping portion and the second overlapping portion to the tight frame;
The first overlapping portion is
A first top plate disposed on the tight frame;
The second overlapping portion is
A second top plate that overlaps the first top plate and forms the top of the peak with the first top plate;
The fastener is
A sword tip bolt that protrudes upward from the tight frame and penetrates the first top plate portion and the second top plate portion;
A nut screwed into a portion projecting upward from the second top plate in the sword tip bolt;
Guide recesses are formed on each of the lower surface of the first top plate portion and the lower surface of the second top plate portion,
3. The roof structure according to claim 1, wherein the sword tip bolt is inserted into a guide concave portion of the first top plate portion and a guide concave portion of the second top plate portion.