JP5923707B2 - Roof structure - Google Patents

Roof structure Download PDF

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JP5923707B2
JP5923707B2 JP2012157508A JP2012157508A JP5923707B2 JP 5923707 B2 JP5923707 B2 JP 5923707B2 JP 2012157508 A JP2012157508 A JP 2012157508A JP 2012157508 A JP2012157508 A JP 2012157508A JP 5923707 B2 JP5923707 B2 JP 5923707B2
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eaves
rectifying
convex
ventilation space
protruding
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JP2014020042A (en
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田村 俊樹
俊樹 田村
浩一 白井
浩一 白井
崇 佐久間
崇 佐久間
藤野 光久
光久 藤野
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Panasonic Intellectual Property Management Co Ltd
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本発明は野地板の上に屋根材を設けた屋根構造に関する。   The present invention relates to a roof structure in which a roof material is provided on a base plate.

特許文献1には建造物の野地板上にスレート等の屋根材が設けられた屋根構造が開示されている。   Patent Document 1 discloses a roof structure in which a roof material such as a slate is provided on a base plate of a building.

特開2002−167927号公報JP 2002-167927 A

ところが特許文献1に示される屋根構造にあっては、野地板と屋根材の間の通気性が良くない。   However, in the roof structure disclosed in Patent Document 1, the air permeability between the field board and the roofing material is not good.

本発明は上記事情に鑑みてなされたものであって、野地板と屋根材の間の通気性を高められる屋根構造を提供することを課題とする。   This invention is made | formed in view of the said situation, Comprising: It aims at providing the roof structure which can improve the air permeability between a field board and a roofing material.

上記課題を解決するために本発明の屋根構造は、下方に開口し上方に突出する凸部と上方に開口し下方に凹む凹部とが軒に沿う方向に交互に形成された凹凸屋根材を備え、この凹凸屋根材が野地板上に設けられて前記凸部と前記野地板との間に通気空間が形成され、前記野地板は、軒先における鼻隠しよりも屋外側に突出する突出部を有し、前記凹凸屋根材は軒棟方向において前記突出部よりも屋外側に突出する出代部を有し、この出代部における前記凸部によって下方に開口した導入部が構成され、この導入部の内側から前記通気空間に外気が導入されるようにした屋根構造であって、前記鼻隠しに沿って軒樋が設けられ、この軒樋の屋内側壁部と前記鼻隠しとの間に吸気用隙間が形成され、前記鼻隠しと前記突出部とでなす入隅部に、上方に行く程前記鼻隠しから離れる整流面部が設けられ、前記屋内側壁部の上端部の屋内側の面が、上方に行く程前記鼻隠しから離れる他の整流面部となり、前記吸気用隙間が、前記整流面部と前記他の整流面部との間から、前記導入部の開口している部分が位置する空間側に向かって開口し、前記凸部の軒側端部に前記導入部の内側空間の屋外側を閉塞する閉塞部が設けられたことを特徴とする。 In order to solve the above-mentioned problems, a roof structure of the present invention includes an uneven roof material in which convex portions opening downward and projecting upward and concave portions opening upward and recessed downward are alternately formed along the eaves. The uneven roofing material is provided on a field board to form a ventilation space between the convex part and the field board, and the field board has a protruding part that protrudes more outdoors than a nose cover at the eaves. In addition, the uneven roof material has a protruding portion protruding outward from the protruding portion in the eaves ridge direction, and an introduction portion opened downward by the convex portion in the protruding portion is configured, and this introduction A roof structure in which outside air is introduced into the ventilation space from the inside of a part, and an eaves wall is provided along the nose cover, and an air intake is provided between the indoor side wall part of the eaves wall and the nose cover. use a gap is formed, the inner corner portion formed between the fascia and the projecting portion, Write rectification surface portion away from the fascia enough to go is provided an indoor side surface of the upper portion of the indoor side wall portion becomes the other of the rectifying surface away from the fascia enough to go upward, clearance for the intake, Opening from between the rectifying surface portion and the other rectifying surface portion toward the space side where the opening portion of the introduction portion is located, the eaves side end portion of the convex portion of the inner space of the introduction portion The present invention is characterized in that a blocking portion for blocking the outdoor side is provided .

本発明にあっては、凹凸屋根材の凸部と野地板との間に外気を通過させる通気空間を形成することができ、野地板と凹凸屋根材の間の通気性を高めることができる。また、導入部の内側に至った外気を出代部における凸部の上面部により棟側に誘導することができ、通気空間の通気性を高めることができる。また、鼻隠しの屋外側の面に沿って上昇する外気を整流面部によって導入部内側に向かうように整流することができ、これにより外気が導入部内側に向かう際の圧力損失が小さくなり、通気空間の通気性を高めることができる。   In this invention, the ventilation space which allows external air to pass through can be formed between the convex part of a concavo-convex roof material, and a field board, and the air permeability between a field slab and an uneven roof material can be improved. In addition, the outside air that has reached the inside of the introduction portion can be guided to the ridge side by the upper surface portion of the convex portion at the exit portion, and the air permeability of the ventilation space can be enhanced. Moreover, the outside air rising along the outdoor side surface of the nose cover can be rectified by the rectifying surface portion so as to be directed to the inside of the introduction portion, thereby reducing the pressure loss when the outside air is directed to the inside of the introduction portion, and ventilation. The air permeability of the space can be increased.

本発明の実施形態の屋根構造における軒側部分を示す断面図である。It is sectional drawing which shows the eaves side part in the roof structure of embodiment of this invention. 同上の屋根構造において一部の凹凸屋根材等の図示を省略した斜視図である。It is the perspective view which abbreviate | omitted illustration of some uneven | corrugated roof materials etc. in the roof structure same as the above. 同上の屋根構造において凹凸屋根材の一部の図示を省略した斜視断面図である。It is a perspective sectional view which omitted illustration of some uneven roof materials in the roof structure same as the above. 同上の凹凸屋根材同士の連結部分を示す断面図である。It is sectional drawing which shows the connection part of uneven | corrugated roof materials same as the above. 同上の棟側における屋根構造を示す斜視断面図である。It is a perspective sectional view showing the roof structure in the ridge side same as the above.

以下、本発明を添付図面に基づいて説明する。本実施形態の屋根構造は図2に示されるように片流れ屋根を有する建物1に適用したものである。以下では、傾斜した屋根面に沿って軒と棟を結ぶ矢印D1に示す方向を軒棟方向とし、軒に沿う矢印D2に示す方向を軒方向として説明する。   Hereinafter, the present invention will be described with reference to the accompanying drawings. The roof structure of the present embodiment is applied to a building 1 having a single-flow roof as shown in FIG. Below, the direction shown to the arrow D1 which connects an eave and a ridge along the inclined roof surface is made into an eaves ridge direction, and the direction shown to the arrow D2 along an eave is demonstrated as an eaves direction.

図1に示されるように建物1の軒側外壁の上端部には屋外側に向かって突出する軒部2が形成されている。軒部2の屋外側端部には下方程屋内側に位置するように傾斜した鼻隠し3(鼻板)が設けられている。鼻隠し3は軒部2の屋外側の面を構成している。他方、建物1の棟側外壁の上端部には、図5に示されるように屋外側に向かって突出する棟部4が形成されている。   As shown in FIG. 1, an eave portion 2 protruding toward the outdoor side is formed at the upper end portion of the eaves-side outer wall of the building 1. A nose cover 3 (nasal plate) is provided at the outdoor side end of the eaves portion 2 so as to be inclined so as to be located on the indoor side. The nose cover 3 constitutes the surface of the eaves part 2 on the outdoor side. On the other hand, the ridge part 4 which protrudes toward the outdoor side is formed in the upper end part of the ridge side outer wall of the building 1 as shown in FIG.

建物1の屋根下地は、垂木等の建築躯体上に野地板5を設けることで形成されている。野地板5は棟側から軒側に向かって一様な角度で下り傾斜している。図1に示されるように野地板5の軒側端部は鼻隠し3よりも屋外側に突出している。野地板5の軒側端面は鼻隠し3の屋外側の面と略平行である。野地板5の鼻隠し3よりも屋外側に突出した突出部6の下面は鼻隠し3の屋外側の面に対して垂直である。軒先には鼻隠し3と野地板5の突出部6によって直角の入隅部7が形成されている。   The roof base of the building 1 is formed by providing a field plate 5 on an architectural frame such as a rafter. The field plate 5 is inclined downward at a uniform angle from the building side to the eaves side. As shown in FIG. 1, the eaves side end portion of the field board 5 protrudes to the outdoor side from the nose cover 3. The eaves side end face of the field plate 5 is substantially parallel to the outdoor side face of the nose cover 3. The lower surface of the protruding portion 6 that protrudes more to the outdoor side than the nose cover 3 of the field plate 5 is perpendicular to the outdoor side surface of the nose cover 3. A right-angled corner 7 is formed at the eaves by a nose cover 3 and a protruding portion 6 of the base plate 5.

野地板5の軒側端部には整流部材8及び塞ぎ部材9が設けられている。整流部材8及び塞ぎ部材9は共に鋼板製である。整流部材8及び塞ぎ部材9は野地板5の軒方向の略全長に亘って設けられている。なお、整流部材8及び塞ぎ部材9は鋼板以外の金属板で形成してもよく、また、その材質は金属に限定されるものではない。また、整流部材8及び塞ぎ部材9は軒方向に複数並べて設けた部材で構成してもよいし、軒方向に亘って一体に形成したものであってもよい。   A straightening member 8 and a closing member 9 are provided at the eaves side end of the base plate 5. Both the rectifying member 8 and the closing member 9 are made of steel plates. The rectifying member 8 and the closing member 9 are provided over substantially the entire length of the field plate 5 in the eave direction. The rectifying member 8 and the closing member 9 may be formed of a metal plate other than a steel plate, and the material thereof is not limited to metal. The rectifying member 8 and the closing member 9 may be configured by a plurality of members arranged in the eave direction, or may be integrally formed over the eave direction.

整流部材8は棟側に向かって突出する載置片10を有している。載置片10は野地板5に載置されている。整流部材8は載置片10に加えて沿片11及び整流片13を有している。沿片11は載置片10の軒側端縁から野地板5の軒側端面に沿って斜め下方に突出している。沿片11の下縁部は野地板5の軒側端面の下縁よりも僅かに下方に突出している。整流片13は沿片11の下縁から屋内側に突出している。整流片13は屋内側に行く程下方に位置するように段階的に曲げられている。これにより、整流片13の断面は鼻隠し3の上端部に向かって凸となる略弧状に形成されている。整流片13の屋内側端部(下端部)は鼻隠し3の屋外側の面に当接している、または同面の近傍に配置されている。整流片13の屋外側の面は上方に行く程鼻隠し3から徐々に離れる整流面部14を構成している。なお、整流面部14は整流片13を屋内側に行く程下方に位置するように湾曲させる又は整流片13を傾斜させる等することで形成してもよい。   The rectifying member 8 has a mounting piece 10 protruding toward the ridge side. The placing piece 10 is placed on the base plate 5. The rectifying member 8 includes a side piece 11 and a rectifying piece 13 in addition to the placing piece 10. The side piece 11 protrudes obliquely downward along the eave side end face of the base plate 5 from the eave side end edge of the mounting piece 10. The lower edge portion of the side piece 11 protrudes slightly below the lower edge of the eaves side end face of the field plate 5. The rectifying piece 13 protrudes from the lower edge of the side piece 11 to the indoor side. The rectifying piece 13 is bent stepwise so as to be positioned downward as it goes indoors. Thereby, the cross section of the rectifying piece 13 is formed in a substantially arc shape that is convex toward the upper end of the nose cover 3. The indoor side end (lower end) of the rectifying piece 13 is in contact with the outdoor side surface of the nose cover 3 or is disposed in the vicinity of the same surface. The surface on the outdoor side of the rectifying piece 13 constitutes a rectifying surface portion 14 that gradually separates from the nose cover 3 as it goes upward. The rectifying surface portion 14 may be formed by bending the rectifying piece 13 so as to be positioned downward as it goes to the indoor side, or by inclining the rectifying piece 13.

塞ぎ部材9は野地板5と略平行な板状部15を有している。板状部15の棟側部分は整流部材8の載置片10に載置されている。載置片10及び板状部15には上側からビスや釘等の固着具が挿通され、これら固着具を野地板5に固着することで塞ぎ部材9及び整流部材8は野地板5に固定されている。また、この固着具により塞ぎ部材9と整流部材8は連結されている。なお、塞ぎ部材9及び整流部材8はその他の態様により建物1の躯体側に固定されるものであってもよい。例えば、整流部材8の載置片10を塞ぎ部材9の板状部15に溶接や接着により接続し、この載置片10及び板状部15を野地板5に固定してもよい。また、塞ぎ部材9と整流部材8を一体に形成し、これを野地板5に取り付ける等してもよい。このように塞ぎ部材9と整流部材8を一体的に設けることで、部材数を少なくし、また、施工の手間を軽減できる。また、整流部材8は載置片10を省略して沿片11を野地板5の端面部に固着する等して建物1の躯体側に取り付けられるものであってもよい。   The closing member 9 has a plate-like portion 15 substantially parallel to the base plate 5. The ridge side portion of the plate-like portion 15 is placed on the placement piece 10 of the rectifying member 8. Fasteners such as screws and nails are inserted into the mounting piece 10 and the plate-like portion 15 from above, and the closure member 9 and the rectifying member 8 are fixed to the baseplate 5 by fixing these fasteners to the baseplate 5. ing. Further, the closing member 9 and the rectifying member 8 are connected by the fixing tool. In addition, the closing member 9 and the rectifying member 8 may be fixed to the housing side of the building 1 by other modes. For example, the placing piece 10 of the rectifying member 8 may be connected to the plate-like portion 15 of the closing member 9 by welding or adhesion, and the placing piece 10 and the plate-like portion 15 may be fixed to the base plate 5. Alternatively, the closing member 9 and the rectifying member 8 may be integrally formed and attached to the base plate 5 or the like. Thus, by providing the closing member 9 and the rectifying member 8 integrally, the number of members can be reduced, and the labor of construction can be reduced. Further, the rectifying member 8 may be attached to the building 1 side of the building 1 by omitting the mounting piece 10 and fixing the side piece 11 to the end surface portion of the base plate 5.

塞ぎ部材9の板状部15の屋外側部分は、野地板5の屋外側端面及び整流部材8の沿片11よりも屋外側に突出している。この突出部分によって塞ぎ部12が構成されている。塞ぎ部12には多数の通気孔16が形成されている。塞ぎ部12の屋外側端部(板状部15の屋外側端部)には、下側に向かって突出して沿片11と略平行な縁片部17が形成されている。   The outdoor side portion of the plate-like portion 15 of the blocking member 9 protrudes to the outdoor side from the outdoor side end face of the field plate 5 and the side pieces 11 of the rectifying member 8. The blocking portion 12 is configured by the protruding portion. A large number of ventilation holes 16 are formed in the closing portion 12. At the outdoor side end of the closing portion 12 (outdoor side end of the plate-like portion 15), an edge piece 17 that protrudes downward and is substantially parallel to the side piece 11 is formed.

野地板5には凹凸屋根材18が図2に示されるように軒方向に複数並べて載置されている。各凹凸屋根材18の軒側部分は、図1に示されるように整流部材8の載置片10及び塞ぎ部材9の板状部15を介して野地板5に載置されている。   A plurality of uneven roof materials 18 are placed side by side in the eave direction on the base plate 5 as shown in FIG. As shown in FIG. 1, the eaves side portion of each uneven roof material 18 is placed on the base plate 5 via the placing piece 10 of the rectifying member 8 and the plate-like portion 15 of the closing member 9.

各凹凸屋根材18は鋼板製である。なお、各凹凸屋根材18は鋼板以外の金属板で形成してもよく、また、その材質は金属に限定されるものではない。各凹凸屋根材18は、図2に示されるように、下方に開口し上方に突出する凸部19と、上方に開口し下方に凹む凹部20を有している。凸部19と凹部20は軒方向に交互に複数形成されている。各凸部19の側面部は隣接する凹部20の側面部を兼ねている。同側面部は凸部19の上面部に対して垂直である。   Each uneven roof material 18 is made of a steel plate. In addition, each uneven | corrugated roof material 18 may be formed with metal plates other than a steel plate, and the material is not limited to a metal. As shown in FIG. 2, each uneven roof material 18 has a convex portion 19 that opens downward and protrudes upward, and a concave portion 20 that opens upward and concave downward. A plurality of convex portions 19 and concave portions 20 are alternately formed in the eave direction. The side surface portion of each convex portion 19 also serves as the side surface portion of the adjacent concave portion 20. The side surface portion is perpendicular to the upper surface portion of the convex portion 19.

隣り合う凹凸屋根材18は図4に示されるように野地板5上に設けられた連結具21を介して連結されている。各凹凸屋根材18の連結具21側の端部には凹部20が形成されている。この凹部20の外側面部には、被掛止部27が形成されている。他方、連結具21の両側には掛止部22が形成されている。各凹凸屋根材18の被掛止部27は対応する連結具21の掛止部22に掛止されている。これにより、隣り合う凹凸屋根材18は連結具21を介して連結されている。また、各凹凸屋根材18は連結具21を介して野地板5に固定されている。   As shown in FIG. 4, the adjacent rugged roofing material 18 is connected through a connecting tool 21 provided on the field board 5. A concave portion 20 is formed at an end portion of each uneven roof material 18 on the side of the connector 21. A hooked portion 27 is formed on the outer surface portion of the recess 20. On the other hand, latching portions 22 are formed on both sides of the connector 21. The hooked portion 27 of each uneven roof material 18 is hooked to the hooking portion 22 of the corresponding connector 21. Thereby, the adjacent uneven | corrugated roof material 18 is connected via the connection tool 21. FIG. In addition, each uneven roof material 18 is fixed to the field board 5 via a connector 21.

各連結具21には軒棟方向に長いカバー部材23が取り付けられている。各カバー部材23は下方に開口する溝形に形成されている。各カバー部材23の両側面部には被係合部34が形成されている。各カバー部材23の両側の被係合部34は、対応する凹凸屋根材18の被掛止部27に係合されている。これにより各カバー部材23は凹凸屋根材18を介して連結具21に取り付けられている。隣り合う凹凸屋根材18の間の部分、及びここに配置された連結具21は、カバー部材23によって上側から覆われている。   A cover member 23 that is long in the eaves-ridge direction is attached to each connector 21. Each cover member 23 is formed in a groove shape that opens downward. Engaged portions 34 are formed on both side surfaces of each cover member 23. The engaged portions 34 on both sides of each cover member 23 are engaged with the engaged portions 27 of the corresponding uneven roof material 18. Thereby, each cover member 23 is attached to the connector 21 via the uneven roof material 18. The part between the adjacent uneven roof materials 18 and the connector 21 arranged here are covered from above by a cover member 23.

図1に示されるように野地板5とこの上に配置された各凹凸屋根材18の間には、通気空間24が形成されている。通気空間24は凸部19と野地板5とで囲まれた空間である。通気空間24は軒方向に凸部19と同数形成されている。各通気空間24は、軒棟方向と直交する断面において矩形状に形成されており、凹凸屋根材18の軒棟方向における略全長に亘って形成されている。   As shown in FIG. 1, a ventilation space 24 is formed between the base plate 5 and each uneven roof material 18 disposed thereon. The ventilation space 24 is a space surrounded by the convex portion 19 and the base plate 5. The same number of ventilation spaces 24 as the protrusions 19 are formed in the eave direction. Each ventilation space 24 is formed in a rectangular shape in a cross section orthogonal to the eaves-ridge direction, and is formed over substantially the entire length of the uneven roof material 18 in the eaves-ridge direction.

図1に示されるように各凹凸屋根材18の軒側端部は、軒棟方向において野地板5の軒側端縁よりも屋外側に突出した出代部25を構成している。各凹凸屋根材18の出代部25における凸部19、すなわち、各凸部19の軒側の端部は下方に開口している。これら出代部25における各凸部19は、対応する通気空間24に外気(屋外の空気)を導入する導入部26を構成している。すなわち通気空間24には断面溝形の導入部26の内側から外気が導入されるようになっている。また、図に示されるように凹凸屋根材18の凸部19の棟側端部と野地板5で囲まれた開口によって、通気空間24の導出部28が構成されている。すなわち前記通気空間24に導入された外気は導出部28から外部に排出されるようになっている。なお、棟部4には導出部28を隠すカバー29が設けられている。このカバー29によって導出部28から通気空間24に雨水等が浸入し難くなっている。 As shown in FIG. 1, the eaves side end of each uneven roof material 18 constitutes a protruding portion 25 that protrudes more outdoors than the eaves side edge of the field board 5 in the eaves ridge direction. The convex part 19 in the protruding part 25 of each uneven | corrugated roof material 18, ie, the edge part of the eaves side of each convex part 19, is opening below. Each convex portion 19 in the outlet portion 25 constitutes an introduction portion 26 that introduces outside air (outdoor air) into the corresponding ventilation space 24. That is, outside air is introduced into the ventilation space 24 from the inside of the introduction section 26 having a groove shape in cross section. Further, as shown in FIG. 5 , the lead-out portion 28 of the ventilation space 24 is configured by the ridge-side end portion of the convex portion 19 of the uneven roof material 18 and the opening surrounded by the field plate 5. That is, the outside air introduced into the ventilation space 24 is discharged from the outlet 28 to the outside. The ridge 4 is provided with a cover 29 that hides the outlet 28. The cover 29 makes it difficult for rainwater or the like to enter the ventilation space 24 from the outlet portion 28.

図1に示されるように野地板5よりも屋外側に突出した塞ぎ部12は、各導入部26の内側空間の下側を塞ぐように各凹凸屋根材18の出代部25の下側に位置している。塞ぎ部12の上面は出代部25における各凹部20の下面に当接している。塞ぎ部12の通気孔16は、図3に示されるように各凹凸屋根材18の各凸部19(導入部26)に対応する箇所に形成されている。これにより、外気は通気孔16及び導入部26を順に介して各通気空間24に導入されるようになっている。また、このような通気孔16を有する塞ぎ部12を設けることで、雨水や小鳥、虫等が通気空間24側に入り込み難くなっている。なお、通気孔16は塞ぎ部12において凸部19に対応する箇所にのみ形成されており、凹部20に対応する箇所には形成されていない。   As shown in FIG. 1, the closing portion 12 that protrudes to the outdoor side of the base plate 5 is located below the protruding portion 25 of each uneven roof material 18 so as to close the lower side of the inner space of each introduction portion 26. positioned. The upper surface of the closing portion 12 is in contact with the lower surface of each recess 20 in the allowance portion 25. As shown in FIG. 3, the air holes 16 of the closing portion 12 are formed at locations corresponding to the convex portions 19 (introducing portions 26) of the concave and convex roof materials 18. Thereby, outside air is introduced into each ventilation space 24 through the ventilation hole 16 and the introduction part 26 in this order. In addition, by providing the closing portion 12 having such a vent hole 16, rainwater, small birds, insects, and the like are difficult to enter the vent space 24 side. Note that the vent hole 16 is formed only in a portion corresponding to the convex portion 19 in the closing portion 12, and is not formed in a portion corresponding to the concave portion 20.

図2に示されるように各凹凸屋根材18の軒側端部には、凹凸屋根材18の出代部25と塞ぎ部材9の塞ぎ部12との間に形成された空間(すなわち導入部26の内側空間)の屋外側を閉塞する閉塞部材30が取り付けられている。閉塞部材30は各凹凸屋根材18の軒方向の全長に亘っている。なお、閉塞部材30は軒方向に複数並べて設けた部材で構成してもよいし、軒方向に亘って一体に形成したものであってもよい。   As shown in FIG. 2, a space (that is, an introduction portion 26) formed between the protruding portion 25 of the uneven roof material 18 and the closing portion 12 of the closing member 9 is provided at the eaves side end of each uneven roof material 18. A closing member 30 for closing the outdoor side of the inner space is attached. The closing member 30 extends over the entire length of each uneven roof material 18 in the eave direction. In addition, the closure member 30 may be comprised with the member provided side by side in the eaves direction, and may be integrally formed over the eaves direction.

閉塞部材30は軒棟方向と略直交する板状の閉塞部31を有している。閉塞部31は下覆部32と上覆部33とで構成されている。下覆部32は軒方向に長い板状に形成されている。上覆部33は下覆部32に軒方向に間隔を介して複数形成されている。上覆部33は下覆部32において凸部19に対応する箇所から上側に向かって突出している。各上覆部33は軒棟方向から見て凸部19と略同大同形の矩形状に形成されている。各上覆部33は対応する凸部19の軒側端部に配置され、導入部26の内側空間の屋外側を閉塞している。各上覆部33によって屋外側から雨水等が導入部26の内側に入り難くなっている。なお、本実施形態では上覆部33に通気孔を形成していないが、塞ぎ部12と同様に多数の通気孔を形成してもよい。   The closing member 30 has a plate-like closing portion 31 that is substantially orthogonal to the eaves-ridge direction. The closing part 31 includes a lower cover part 32 and an upper cover part 33. The lower cover portion 32 is formed in a plate shape that is long in the eave direction. A plurality of upper cover portions 33 are formed in the lower cover portion 32 with an interval in the eave direction. The upper cover portion 33 protrudes upward from a position corresponding to the convex portion 19 in the lower cover portion 32. Each upper cover portion 33 is formed in a rectangular shape that is substantially the same size as the convex portion 19 when viewed from the eaves-ridge direction. Each upper cover portion 33 is disposed at the eaves side end portion of the corresponding convex portion 19 and closes the outdoor side of the inner space of the introduction portion 26. Each upper cover portion 33 makes it difficult for rainwater or the like to enter the inside of the introduction portion 26 from the outdoor side. In the present embodiment, vent holes are not formed in the upper cover portion 33, but a large number of vent holes may be formed in the same manner as the closing portion 12.

図3に示されるように各上覆部33の両側縁及び上縁には、棟側に向かって突出する嵌込片部35が上覆部33と一体に形成されている。上覆部33の両側縁から突出した嵌込片部35の間には整流部材36が設けられている。以下、整流部材8を第一整流部材8と記載し、整流部材36を第二整流部材36と記載する。第二整流部材36は両嵌込片部35の間に挟まれた状態で閉塞部材30の各上覆部33の棟側に接着やビス等の固着具を用いて取り付けられている。各嵌込片部35は対応する凸部19の軒側端部の内側に嵌め込まれている。これにより、閉塞部材30は凹凸屋根材18に対して取り付けられている。なお、第二整流部材36は閉塞部材30と一体に形成してもよい。   As shown in FIG. 3, on both side edges and the upper edge of each upper cover portion 33, fitting piece portions 35 that protrude toward the ridge side are formed integrally with the upper cover portion 33. A rectifying member 36 is provided between the fitting piece portions 35 protruding from both side edges of the upper cover portion 33. Hereinafter, the rectifying member 8 is referred to as a first rectifying member 8, and the rectifying member 36 is referred to as a second rectifying member 36. The second rectifying member 36 is attached to the ridge side of each upper cover portion 33 of the closing member 30 by using a fixing tool such as an adhesive or a screw while being sandwiched between the both fitting pieces 35. Each fitting piece portion 35 is fitted inside the corresponding eaves side end portion of the convex portion 19. Accordingly, the closing member 30 is attached to the uneven roof material 18. Note that the second rectifying member 36 may be formed integrally with the closing member 30.

図1に示されるように凹凸屋根材18の各凸部19の軒側端部に設けられた第二整流部材36は、対応する導入部26の内側空間の屋外側に位置している。各第二整流部材36は、上覆部33の棟側の面に沿う前面部37と、凸部19の下面に沿う上面部38と、前面部37の下縁と上面部38の棟側縁とを接続する整流面部39を有している。以下、第一整流部材8の整流面部14を第一整流面部14と記載し、第二整流部材36の整流面部39を第二整流面部39と記載する。   As shown in FIG. 1, the second rectifying member 36 provided at the eaves side end of each convex portion 19 of the uneven roof material 18 is located on the outdoor side of the inner space of the corresponding introduction portion 26. Each of the second rectifying members 36 includes a front surface portion 37 along the ridge side surface of the upper cover portion 33, an upper surface portion 38 along the lower surface of the convex portion 19, and a lower edge of the front surface portion 37 and a ridge side edge of the upper surface portion 38. And a rectifying surface 39 for connecting the two. Hereinafter, the rectifying surface portion 14 of the first rectifying member 8 is referred to as a first rectifying surface portion 14, and the rectifying surface portion 39 of the second rectifying member 36 is referred to as a second rectifying surface portion 39.

第二整流面部39は上方に行く程棟側に近づくように段階的に曲げられている。第二整流面部39は凸部19の上面部と閉塞部材30の上覆部33とでなす入隅部に向かって凸となる断面略弧状に形成されている。このため、塞ぎ部材9の通気孔16を介して導入部26の内側に流れ込んだ外気は、第二整流面部39に沿って徐々に棟側の通気空間24に向かう流れとなるよう整流される。従って、外気が導入部26を介して通気空間24に流れる際の圧力損失が小さくなり、通気空間24に外気が導入されやすくなる。なお、第二整流面部39は上方に行く程棟側に近づくように湾曲させてもよい。また、第二整流面部39は上方に行く程棟側に近づくように傾斜させてもよい。   The second rectifying surface portion 39 is bent stepwise so as to approach the building side as it goes upward. The second rectifying surface portion 39 is formed in a substantially arc-shaped cross section that is convex toward an inner corner formed by the upper surface portion of the convex portion 19 and the upper cover portion 33 of the closing member 30. For this reason, the outside air that has flowed into the introduction portion 26 through the vent hole 16 of the closing member 9 is rectified so as to gradually flow toward the wing side ventilation space 24 along the second rectifying surface portion 39. Therefore, the pressure loss when the outside air flows into the ventilation space 24 via the introduction portion 26 is reduced, and the outside air is easily introduced into the ventilation space 24. In addition, you may make it curve so that the 2nd rectification | straightening surface part 39 may approach the ridge side, so that it goes upwards. Moreover, you may make it incline so that the 2nd rectification | straightening surface part 39 may approach the ridge side, so that it goes upwards.

閉塞部材30の下覆部32は縁片部17の屋外側の面に沿っている。下覆部32の下端部は縁片部17よりも下側に突出している。下覆部32は第一整流部材8の沿片11に対向し、沿片11と略平行である。下覆部32と沿片11の間には、下側に開口する空間49が形成されている。空間49は通気孔16及び導入部26の内側空間を介して通気空間24に連通している。すなわち、外気は、空間49、通気孔16、及び導入部26の内側空間を順に通って通気空間24に導入されるようになっている。   The lower covering portion 32 of the closing member 30 is along the surface on the outdoor side of the edge piece portion 17. The lower end portion of the lower cover portion 32 protrudes below the edge piece portion 17. The lower cover portion 32 faces the side piece 11 of the first rectifying member 8 and is substantially parallel to the side piece 11. A space 49 that opens downward is formed between the lower cover portion 32 and the side piece 11. The space 49 communicates with the ventilation space 24 through the ventilation hole 16 and the inner space of the introduction portion 26. In other words, the outside air is introduced into the ventilation space 24 through the space 49, the ventilation hole 16, and the inner space of the introduction portion 26 in order.

下覆部32は、溶接や接着により縁片部17に接続する、又はビス等の固着具を用いて連結する、若しくは縁片部17と一体に形成する等してもよい。このように閉塞部材30と塞ぎ部材9を一体的に設けることにより、部材数を少なくし、また、施工の手間を軽減できる。また、この場合、前述したように塞ぎ部材9と第一整流部材8を一体的に設けて、第二整流部材36と第一整流部材8を閉塞部材30及び塞ぎ部材9を介して連結し、第一整流面部14と第二整流面部39を塞ぎ部12を介して連結してもよい。このようにすることで、部品数を削減でき、また、施工の手間を軽減できる。   The lower cover portion 32 may be connected to the edge piece portion 17 by welding or adhesion, connected using a fixing tool such as a screw, or formed integrally with the edge piece portion 17. Thus, by providing the closing member 30 and the closing member 9 integrally, the number of members can be reduced, and the labor of construction can be reduced. In this case, as described above, the closing member 9 and the first rectifying member 8 are integrally provided, and the second rectifying member 36 and the first rectifying member 8 are connected via the closing member 30 and the closing member 9, The first rectifying surface portion 14 and the second rectifying surface portion 39 may be connected via the closing portion 12. By doing in this way, the number of parts can be reduced and the labor of construction can be reduced.

図1に示されるように鼻隠し3の屋外側には、軒樋40が鼻隠し3に沿って設けられている。軒樋40は合成樹脂製である。軒樋40は取付具(不図示)を介して軒部2の屋外側の面に取り付けられている。軒樋40は上方に開口する溝形に形成され、底部41と、底部41の屋外側縁部から立ち上がる屋外側壁部43と、底部41の屋内側縁部から立ち上がる屋内側壁部44を備えている。屋外側壁部43の上縁及び屋内側壁部44の上縁の夫々には、断面溝形の軒樋40の内側に向かって突出する補強用の耳部45、46が形成されている。耳部45、46は断面L字状に形成されている。   As shown in FIG. 1, an eaves 40 is provided along the nose cover 3 on the outdoor side of the nose cover 3. The eaves 40 is made of synthetic resin. The eaves bar 40 is attached to the surface of the eaves part 2 on the outdoor side via a fixture (not shown). The eaves 40 is formed in a groove shape that opens upward, and includes a bottom 41, an outdoor side wall 43 that rises from the outdoor side edge of the bottom 41, and an indoor side wall 44 that rises from the indoor side edge of the bottom 41. . Reinforcing ears 45 and 46 are formed on the upper edge of the outdoor side wall portion 43 and the upper edge of the indoor side wall portion 44, respectively, and protrude toward the inside of the eaves rod 40 having a groove shape in cross section. The ears 45 and 46 are formed in an L-shaped cross section.

軒樋40の屋内側壁部44とこれに対向する鼻隠し3の間には、吸気用隙間47が形成されている。吸気用隙間47は屋内側壁部44の下端部と鼻隠し3の下端部の間から下側に開口している。軒樋40の屋内側壁部44は上端部を除いて鼻隠し3の屋外側の面と略平行な板状に形成されている。   An air intake gap 47 is formed between the indoor side wall 44 of the eaves 40 and the nasal cover 3 facing it. The intake gap 47 opens downward from between the lower end of the indoor side wall 44 and the lower end of the nose cover 3. The indoor side wall 44 of the eaves 40 is formed in a plate shape substantially parallel to the outdoor side surface of the nose cover 3 except for the upper end.

ここで、屋内側壁部44の上端部は上方に行く程鼻隠し3から離れるように曲げられている。これにより、屋内側壁部44の上端部の屋内側の面を、上方に行く程鼻隠し3から徐々に離れる整流面部48としている。以下、整流面部48を第三整流面部48と記載する。吸気用隙間47は、第三整流面部48とこれに対向する第一整流面部14の間から、下覆部32と沿片11の間の空間49側に開口している。このため、鼻隠し3の下側の外気は、吸気用隙間47を介して通気空間24に導入されるようになっている。   Here, the upper end of the indoor side wall 44 is bent away from the nose cover 3 as it goes upward. Thereby, the surface on the indoor side of the upper end portion of the indoor side wall portion 44 is a rectifying surface portion 48 that gradually moves away from the nose cover 3 as it goes upward. Hereinafter, the rectifying surface portion 48 is referred to as a third rectifying surface portion 48. The intake gap 47 opens from the space between the third rectifying surface portion 48 and the first rectifying surface portion 14 opposed thereto to the space 49 side between the lower cover portion 32 and the side piece 11. For this reason, the outside air under the nose cover 3 is introduced into the ventilation space 24 via the intake gap 47.

前述のように第三整流面部48は上方に行く程鼻隠し3から離れるように曲がっている。また、鼻隠し3と野地板5の突出部6によって構成される入隅部7に設けられた第一整流面部14も上方程鼻隠し3から離れるように曲がっている。このため、外気が吸気用隙間47から導入部26の内側に向かう際の圧力損失は小さくなり、通気空間24には外気が導入されやすくなっている。また、第三整流面部48の上部50は上方程屋外側に位置するように傾斜しており、この上部50の屋外側への延長線上には下覆部32又は塞ぎ部12が位置している。さらに第一整流面部14の略水平な上端部の屋外側の延長線上に下覆部32が位置している。このため、吸気用隙間47の外気は導入部26の内側に流れ易くなっている。   As described above, the third rectifying surface portion 48 is bent away from the nose cover 3 as it goes upward. Further, the first rectifying surface portion 14 provided at the corner portion 7 constituted by the nose cover 3 and the protruding portion 6 of the base plate 5 is also bent so as to be away from the nose cover 3 upward. For this reason, the pressure loss when the outside air moves from the intake gap 47 to the inside of the introduction portion 26 is reduced, and the outside air is easily introduced into the ventilation space 24. Further, the upper part 50 of the third rectifying surface part 48 is inclined so as to be located on the outdoor side upward, and the lower cover part 32 or the blocking part 12 is located on the extension line of the upper part 50 to the outdoor side. . Furthermore, the lower cover part 32 is located on the extended line on the outdoor side of the substantially horizontal upper end part of the first rectifying surface part 14. For this reason, the outside air in the intake gap 47 is likely to flow inside the introduction portion 26.

また、第三整流面部48の上端は塞ぎ部12の棟側端部の下方に位置している。さらに軒樋40の屋内側の耳部45は第三整流面部48の上端から下方に向かって突出している。加えて、軒樋40の屋外側の耳部46は閉塞部材30の下覆部32の下縁よりも屋外側に位置している。これらにより、閉塞部31の屋外側に直接付着した雨水あるいは凹凸屋根材18の上面から閉塞部31の屋外側に面に沿って流れた雨水は、軒樋40に落下して軒樋40で受けられるようになっている。また、各通気空間24に雨水が浸入した場合には、塞ぎ部12の各通気孔16から排出された雨水も軒樋40で受けられるようになっている。   Further, the upper end of the third rectifying surface portion 48 is located below the ridge side end portion of the closing portion 12. Furthermore, the indoor side ear portion 45 of the eaves 40 projects downward from the upper end of the third rectifying surface portion 48. In addition, the ear portion 46 on the outdoor side of the eaves basket 40 is located on the outdoor side with respect to the lower edge of the lower cover portion 32 of the closing member 30. As a result, rainwater directly adhering to the outdoor side of the closed portion 31 or rainwater flowing along the surface from the upper surface of the uneven roofing material 18 to the outdoor side of the closed portion 31 falls into the eaves wall 40 and is received by the eaves wall 40 It is supposed to be. Further, when rainwater enters each ventilation space 24, the rainwater discharged from each ventilation hole 16 of the closing portion 12 can be received by the eaves 40.

本実施形態では、図2に示されるように複数の凹凸屋根材18で構成される屋根面上に、機能パネルとしての太陽光発電パネル52が設けられている。太陽光発電パネル52は、シリコンを主材料とした半導体素子により太陽光エネルギーを電気エネルギーに変換して出力するものである。太陽光発電パネル52は、上下両面で受光して発電可能な両面受光型のパネルであってもよいし、上面のみで受光して発電可能なパネルであってもよい。   In this embodiment, the photovoltaic power generation panel 52 as a functional panel is provided on the roof surface comprised by the some uneven | corrugated roof material 18 as FIG. 2 shows. The photovoltaic power generation panel 52 converts solar energy into electric energy and outputs it by a semiconductor element mainly composed of silicon. The solar power generation panel 52 may be a double-sided light reception type panel that can receive light from both the upper and lower surfaces and generate electric power, or may be a panel that can receive light from only the upper surface and generate electric power.

太陽光発電パネル52は軒棟方向に隣接して複数設けられている。各太陽光発電パネル52は複数の凹凸屋根材18に跨って設けられている。凹凸屋根材18同士を連結する連結具21のうち任意の連結具21には、図4に示されるようにカバー部材23よりも上方に突出するボルト53が設けられている。各太陽光発電パネル52はこれらボルト53を用いて屋根面上に固定されている。   A plurality of solar power generation panels 52 are provided adjacent to each other in the eaves direction. Each photovoltaic power generation panel 52 is provided across a plurality of uneven roof materials 18. As shown in FIG. 4, a bolt 53 protruding upward from the cover member 23 is provided in any of the connectors 21 that connect the uneven roof materials 18. Each photovoltaic power generation panel 52 is fixed on the roof surface using these bolts 53.

図2に示されるように各太陽光発電パネル52は複数の凸部19の上面に跨って載置されている。このように太陽光発電パネル52を凸部19の上面に載置することで、通気空間24を流れる外気により太陽光発電パネル52を冷却することができる。太陽光発電パネル52は、周囲の雰囲気温度が高い場合や、直射日光が長時間照射された場合等に、発電素子が高温になって発電効率(変換効率)が低下する恐れがある。しかし、本実施形態では太陽光発電パネル52を通気空間24を流れる外気により冷却することができるので、太陽光発電パネル52の発電効率の低下を抑えることができる。   As shown in FIG. 2, each photovoltaic power generation panel 52 is placed across the upper surfaces of the plurality of convex portions 19. By placing the solar power generation panel 52 on the upper surface of the convex portion 19 in this way, the solar power generation panel 52 can be cooled by the outside air flowing through the ventilation space 24. The photovoltaic power generation panel 52 has a possibility that the power generation element becomes high temperature and the power generation efficiency (conversion efficiency) decreases when the ambient temperature is high, or when direct sunlight is irradiated for a long time. However, in this embodiment, since the photovoltaic power generation panel 52 can be cooled by the outside air flowing through the ventilation space 24, a decrease in power generation efficiency of the photovoltaic power generation panel 52 can be suppressed.

各太陽光発電パネル52とこの下方に位置する凹凸屋根材18の間には、太陽光発電パネル52と凹凸屋根材18の凹部20で囲まれた通気空間54が形成されている。以下、通気空間24を第一通気空間24と記載し、通気空間54を第二通気空間54と記載する。   Between each photovoltaic power generation panel 52 and the uneven roof material 18 positioned below, a ventilation space 54 surrounded by the photovoltaic power generation panel 52 and the concave portion 20 of the uneven roof material 18 is formed. Hereinafter, the ventilation space 24 is referred to as a first ventilation space 24, and the ventilation space 54 is referred to as a second ventilation space 54.

第二通気空間54は太陽光発電パネル52で閉塞された凹部20と同数形成されている。各第二通気空間54は、太陽光発電パネル52の軒棟方向における全長に亘って形成されている。下側の太陽光発電パネル52によって形成される第二通気空間54(以下、下側第二通気空間54)は、上側の太陽光発電パネル52によって形成される第二通気空間54(以下、上側第二通気空間54)と連通している。   The same number of the second ventilation spaces 54 as the recesses 20 closed by the photovoltaic power generation panel 52 are formed. Each second ventilation space 54 is formed over the entire length of the photovoltaic power generation panel 52 in the eaves-ridge direction. The second ventilation space 54 (hereinafter referred to as the lower second ventilation space 54) formed by the lower solar power generation panel 52 is the second ventilation space 54 (hereinafter referred to as the upper side) formed by the upper solar power generation panel 52. It communicates with the second ventilation space 54).

図2に示されるように各下側第二通気空間54の軒側端部42は軒側に開口している。図に示されるように各上側第二通気空間54の棟側端部55は棟側に開口している。このため、外気は下側第二通気空間54に軒側端部42から導入され、下側第二通気空間54及び対応する上側第二通気空間54を通過した後、上側第二通気空間54の棟側端部55から排出されるようになっている。各第二通気空間54を通る外気によっても太陽光発電パネル52を冷却することができる。なお、各第二通気空間54における外気は、軒側から棟側に向かって外気が流れやすくなっている。軒側に向かって下り傾斜した凹凸屋根材18に当たった風が棟側に向かって流れやすく、また、各第二通気空間54において棟側に向かう自然対流が生じるからである。 As shown in FIG. 2, the eaves side end portion 42 of each lower second ventilation space 54 opens to the eaves side. As shown in FIG. 5 , the ridge-side end portion 55 of each upper second ventilation space 54 opens to the ridge side. Therefore, outside air is introduced from the eaves side end portion 42 into the lower second ventilation space 54, passes through the lower second ventilation space 54 and the corresponding upper second ventilation space 54, and then passes through the upper second ventilation space 54. It is discharged from the ridge side end 55. The photovoltaic power generation panel 52 can also be cooled by outside air passing through each second ventilation space 54. In addition, the outside air in each second ventilation space 54 tends to flow from the eaves side toward the ridge side. This is because the wind that hits the concave and convex roofing material 18 inclined downward toward the eaves easily flows toward the ridge side, and natural convection toward the ridge side occurs in each second ventilation space 54.

以上説明した本実施形態の屋根構造では、凹凸屋根材18が野地板5上に設けられて、凹凸屋根材18の凸部19と野地板5との間に第一通気空間24が形成されている。このため、第一通気空間24に外気を通して野地板5と凹凸屋根材18の間の通気性を高めることができる。また、凹凸屋根材18は軒棟方向において野地板5の軒側端縁よりも屋外側に突出する出代部25を有し、この出代部25における凸部19の内側から第一通気空間24に外気が導入される。このため、通気孔16側から導入部26の内側に至った外気を出代部25における凸部19の上面部により棟側に誘導することができる。従って、第一通気空間24の通気性を高められる。また、出代部25が設けられた軒先における鼻隠し3と野地板5の鼻隠し3よりも屋外側に突出した突出部6とでなす入隅部7に、上方に行く程鼻隠し3から離れる第一整流面部14が設けられている。このようにすることで、鼻隠し3の屋外側の面に沿って上昇する外気を第一整流面部14によって導入部26の内側にスムーズに向かうように整流することができる。このため、外気が導入部26の内側に向かう際の圧力損失が小さくなり、外気が第一通気空間24に導入されやすくなる。   In the roof structure of the present embodiment described above, the uneven roof material 18 is provided on the field plate 5, and the first ventilation space 24 is formed between the convex portion 19 of the uneven roof material 18 and the field plate 5. Yes. For this reason, the air permeability between the field board 5 and the uneven roof material 18 can be enhanced through the outside air through the first ventilation space 24. Further, the uneven roof material 18 has an allowance portion 25 protruding outward from the eaves side edge of the base plate 5 in the eaves ridge direction, and the first ventilation space from the inside of the convex portion 19 in the allowance portion 25. 24, outside air is introduced. For this reason, the outside air that has reached the inside of the introduction portion 26 from the vent hole 16 side can be guided to the ridge side by the upper surface portion of the convex portion 19 in the outlet portion 25. Therefore, the air permeability of the first ventilation space 24 can be improved. Moreover, from the nasal concealment 3 as it goes upward, it goes into the corner 7 formed by the nasal concealment 3 at the eaves where the outbreak part 25 is provided and the projecting part 6 projecting outward from the nasal concealment 3 of the field plate 5. A first rectifying surface portion 14 is provided. By doing in this way, the outside air rising along the outdoor side surface of the nose cover 3 can be rectified by the first rectifying surface portion 14 so as to be smoothly directed toward the inside of the introducing portion 26. For this reason, the pressure loss when the outside air moves toward the inside of the introduction portion 26 is reduced, and the outside air is easily introduced into the first ventilation space 24.

また、本実施形態では、凸部19の軒側端部に導入部26の内側空間の屋外側を閉塞する閉塞部31が設けられている。このため、屋外側から雨水等が導入部26の内側に入り込み難くなっている。   Further, in the present embodiment, a closed portion 31 that closes the outdoor side of the inner space of the introduction portion 26 is provided at the eaves side end portion of the convex portion 19. For this reason, rainwater or the like hardly enters the inside of the introduction portion 26 from the outdoor side.

また、本実施形態では鼻隠し3に沿って軒樋40が設けられ、軒樋40の屋内側壁部44と鼻隠し3との間に吸気用隙間47が形成されている。このため、吸気用隙間47を上昇する外気を第一整流面部14によって導入部26の内側に向かうように整流することができる。   In the present embodiment, the eaves ridge 40 is provided along the nose cover 3, and an intake gap 47 is formed between the indoor side wall portion 44 of the eaves cover 40 and the nose cover 3. Therefore, the outside air rising through the intake gap 47 can be rectified by the first rectifying surface portion 14 toward the inside of the introduction portion 26.

なお、本実施形態では機能パネルを太陽光発電パネル35で構成したが、その他の機能を有するパネルで構成しても構わない。また、機能パネルは省略可能である。また、本発明は片流れ屋根だけではなく切妻屋根等のその他の形状の屋根にも適用可能である。その他、本発明は上記し且つ図面に示した実施形態にのみ限定されるものではなく、要旨を逸脱しない範囲内で適宜変更して実施し得るものである。   In the present embodiment, the functional panel is configured by the photovoltaic power generation panel 35, but may be configured by a panel having other functions. The function panel can be omitted. Further, the present invention is applicable not only to a single-flow roof but also to roofs of other shapes such as a gable roof. In addition, the present invention is not limited to the embodiments described above and shown in the drawings, and can be implemented with appropriate modifications within a range not departing from the gist.

3 鼻隠し
5 野地板
6 突出部
7 入隅部
14 第一整流面部
18 凹凸屋根材
19 凸部
20 凹部
24 第一通気空間
25 出代部
26 導入部
DESCRIPTION OF SYMBOLS 3 Nasal concealment 5 Field plate 6 Protruding part 7 Corner part 14 1st rectification | straightening surface part 18 Concavity and convexity roofing material 19 Convex part 20 Concave part 24 First ventilation space 25 Protrusion part 26 Introduction part

Claims (1)

下方に開口し上方に突出する凸部と上方に開口し下方に凹む凹部とが軒に沿う方向に交互に形成された凹凸屋根材を備え、この凹凸屋根材が野地板上に設けられて前記凸部と前記野地板との間に通気空間が形成され、前記野地板は、軒先における鼻隠しよりも屋外側に突出する突出部を有し、前記凹凸屋根材は軒棟方向において前記突出部よりも屋外側に突出する出代部を有し、この出代部における前記凸部によって下方に開口した導入部が構成され、この導入部の内側から前記通気空間に外気が導入されるようにした屋根構造であって、前記鼻隠しに沿って軒樋が設けられ、この軒樋の屋内側壁部と前記鼻隠しとの間に吸気用隙間が形成され、前記鼻隠しと前記突出部とでなす入隅部に、上方に行く程前記鼻隠しから離れる整流面部が設けられ、前記屋内側壁部の上端部の屋内側の面が、上方に行く程前記鼻隠しから離れる他の整流面部となり、前記吸気用隙間が、前記整流面部と前記他の整流面部との間から、前記導入部の開口している部分が位置する空間側に向かって開口し、前記凸部の軒側端部に前記導入部の内側空間の屋外側を閉塞する閉塞部が設けられたことを特徴とする屋根構造 A concave and convex roofing material formed by alternately forming convex portions projecting downward and projecting upward and concave portions opening upward and concave downward is provided along the eaves. ventilation space between the convex portion and the sheathing roof board is formed, the sheathing has a protrusion protruding to the outside side of the fascia in the eaves, the uneven roofing materials, the protruding in the eaves ridge direction has a projection portion protruding outside side from parts, so that the introduction portion which opens downward by the protrusion of the projection lengths portion is constituted, outside air is introduced into the ventilation space from the inside of the introducing portion The eaves ridge is provided along the nasal concealment, and an air intake gap is formed between the indoor side wall portion of the eaves ridge and the nasal concealment, and the nasal concealment and the protruding portion The rectifying surface that moves away from the nasal concealment as it goes upwards Is an indoor side surface of the upper portion of the indoor side wall portion becomes the other of the rectifying surface away from the fascia enough to go upward, the intake gap, from between the other rectifying surface and the rectifying face The opening portion is opened toward the space where the opening portion is located, and the eaves side end portion of the convex portion is provided with a blocking portion that closes the outdoor side of the inner space of the introduction portion. A characteristic roof structure .
JP2012157508A 2012-07-13 2012-07-13 Roof structure Expired - Fee Related JP5923707B2 (en)

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JPS5112190Y2 (en) * 1972-03-18 1976-04-02
JPS5883538U (en) * 1981-11-30 1983-06-06 松下電工株式会社 Frame ventilation structure
JPH0328662Y2 (en) * 1985-12-25 1991-06-19
JP2509591Y2 (en) * 1991-02-01 1996-09-04 ミサワホーム株式会社 Roof panel
JP2000087517A (en) * 1998-09-10 2000-03-28 Misawa Homes Co Ltd Eaves gutter
JP2003286763A (en) * 2002-03-28 2003-10-10 Sekisui Chem Co Ltd Edge-of-eaves structure for building and building equipped with the same
JP2003328515A (en) * 2002-05-16 2003-11-19 Sekisui Chem Co Ltd Eaves edge ventilation spacer member
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