JP2017057711A - Edge-of-eaves structure - Google Patents

Edge-of-eaves structure Download PDF

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JP2017057711A
JP2017057711A JP2016205850A JP2016205850A JP2017057711A JP 2017057711 A JP2017057711 A JP 2017057711A JP 2016205850 A JP2016205850 A JP 2016205850A JP 2016205850 A JP2016205850 A JP 2016205850A JP 2017057711 A JP2017057711 A JP 2017057711A
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eaves
decorative
draining
cover
receiving groove
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JP6248165B2 (en
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武真 松本
Takemasa Matsumoto
武真 松本
雅俊 瀬戸
Masatoshi Seto
雅俊 瀬戸
充伸 木村
Mitsunobu Kimura
充伸 木村
隆博 小久保
Takahiro Kokubo
隆博 小久保
尚也 西久保
Hisaya Nishikubo
尚也 西久保
高岸 毅
Takeshi Takagishi
毅 高岸
小林 洋一
Yoichi Kobayashi
洋一 小林
真由美 仲西
Mayumi Nakanishi
真由美 仲西
茂 千代
Shigeru Sendai
茂 千代
木村 雅之
Masayuki Kimura
雅之 木村
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RIKO KOGYO KK
Sekisui House Ltd
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RIKO KOGYO KK
Sekisui House Ltd
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Abstract

PROBLEM TO BE SOLVED: To reduce rainwater flowing round to the backside of an eaves gutter, and prevent an eave soffit from getting wet, by leading the rainwater to an outdoor side, even when the rainwater intrudes to the backside of the eaves gutter during heavy rain.SOLUTION: An eaves gutter 4 is provided along a fascia board part 202 at an edge of eaves, and a decorative member 3 is arranged on the outdoor side of the eaves gutter 4. A draining material 27 is suspended toward the eaves gutter from an upper end of the edge of eaves, and the decorative member 3 has an indoor-side lower part provided with a water receiving groove 33. A recess ranging from the rear side of the draining material 27 to the fascia board part 202 is covered with an inner drainboard 6. A lower edge of the inner drainboard 6 is extended toward the water receiving groove 33 of the decorative member 3 from the backside of the eaves gutter 4.SELECTED DRAWING: Figure 1

Description

本発明は、建物の軒先構造に関する。   The present invention relates to an eaves structure of a building.

従来、軒先には軒樋が設けられ、軒樋への降雨が跳ね返って軒内へ浸入しないようにする対策が講じられている。例えば、特許文献1に開示された軒先構造では、屋根板の延長上に水切り板が設けられ、その前端部に軒先水切として斜板が備えられている。水切り板はビス等で軒の前端部に固着されるとともに下方に折れ曲がり、その先端部が軒樋に近接して設けられている。これにより、雨水は水切り板に導かれて軒樋を流れ、雨水の跳ね上げが発生せず、鼻板が濡れることなく鼻板の汚れや腐食が防止できるとされている。   Conventionally, eaves have been provided at the eaves, and measures have been taken to prevent the rain on the eaves from bouncing back and entering the eaves. For example, in the eaves tip structure disclosed in Patent Document 1, a draining plate is provided on the extension of the roof plate, and a swash plate is provided as an eaves tip draining on the front end portion thereof. The draining plate is fixed to the front end portion of the eaves with a screw or the like and is bent downward, and the front end portion thereof is provided close to the eaves bowl. As a result, rainwater is guided to the draining board and flows through the eaves so that the rainwater does not jump up, and the nose can be prevented from getting dirty and corroded without getting wet.

特開2009−30300号公報JP 2009-30300 A

しかしながら、上記先行技術による場合、水切り板にはビス等をねじ込むための貫通孔が複数箇所に設けられているため、軒樋で跳ね返った雨水は貫通孔に浸入し、軒樋の外側に回り込む可能性があった。また、樋吊金具が配置された箇所には水切り板が設けられていないため、軒樋へ落下した雨水が跳ね上がり、軒樋の外側に回り込む可能性もあった。   However, in the case of the above prior art, since the draining plate is provided with a plurality of through holes for screwing screws or the like, rain water bounced off by the eaves can enter the through holes and wrap around the outside of the eaves There was sex. Moreover, since the draining board is not provided in the location where the fence hanging bracket is arranged, there is a possibility that the rain water falling on the eave fence jumps up and goes outside the eave fence.

近年では、ゲリラ豪雨と呼ばれる局所的な降雨が頻発するようになってきており、短時間に多量の雨水が軒樋を流れることがある。このような場合には、軒樋から跳ね返る雨水が増加したり雨水があふれ出たりすることも考えられ、軒樋の隙間などから軒裏へと雨水が浸入する可能性が高まる。雨水が浸入すると、庇の内部に雨水が滴下して軒天井の上部に溜まってしまい、軒天井にしみや、変色を生じるおそれがあった。   In recent years, local rainfall called guerrilla heavy rain has frequently occurred, and a large amount of rainwater can flow through the eaves in a short time. In such a case, it is conceivable that rainwater bounces off the eaves and the rainwater overflows, and the possibility of rainwater entering the back of the eaves from the gap between eaves is increased. When rainwater infiltrates, rainwater drops inside the fence and accumulates at the top of the eaves ceiling, which may cause stains and discoloration on the eaves ceiling.

本発明は、上記のような問題点にかんがみてなされたものであり、その目的とするところは、雨水を軒樋へ確実に集めて排水するとともに、軒天井へ雨水が流れにくい構造を備えさせて、軒樋の裏側へ雨水が浸入したとしてもその雨水を屋外側へ導いて軒天井を濡らさないようにすることのできる軒先構造を提供することにある。   The present invention has been made in view of the above problems, and its purpose is to provide a structure that reliably collects and drains rainwater to the eaves and prevents rainwater from flowing to the eaves ceiling. Thus, even if rainwater enters the back side of the eaves wall, it is intended to provide an eaves tip structure that can guide the rainwater to the outdoor side and prevent the eaves ceiling from getting wet.

前記の目的を達成するための本発明の解決手段は、軒先の鼻隠し部に沿って軒樋を備えるとともに軒樋の屋外側に化粧部材が配設された軒先構造を前提としており、軒先上端から水切り材が軒樋に向けて垂下され、化粧部材は屋内側下部に水受け溝を備える。この水切り材の背面側から鼻隠し部にかけての凹部が内水切りによって覆われるとともに、内水切りの下端縁は、軒樋の裏側から化粧部材の水受け溝に向けて延設されて構成されている。   The solution of the present invention for achieving the above object is based on an eaves end structure provided with eaves along the nose cover part of the eaves and having a decorative member disposed on the outdoor side of the eaves. The draining material is suspended from the eaves toward the eaves, and the decorative member is provided with a water receiving groove in the lower part on the indoor side. The recess from the back side of the draining material to the nasal concealment is covered with the internal draining, and the lower end edge of the internal draining is configured to extend from the back side of the eaves toward the water receiving groove of the decorative member. .

このような特定事項により、雨水を軒樋に集めるとともに、軒樋から跳ね返った雨水を、内水切りによって、軒樋の裏側へ浸入させることなく軒樋へ集めて排水することができる。仮に、雨水が軒樋の裏側へ回り込むことがあったとしても、雨水を、内水切りを伝って、軒樋の屋外側に配設された化粧部材の水受け溝まで導くことができ、軒天井を濡らすことが防がれる。   According to such a specific matter, rainwater can be collected in the eaves and drained from the eaves can be collected and drained to the eaves without entering the backside of the eaves by draining the interior. Even if rainwater goes around to the back side of the eaves, it can be guided to the drainage groove of the decorative member arranged on the outdoor side of the eaves through the drainage of the eaves. Wetting is prevented.

前記軒先構造において、化粧部材は、上端および下端に、屋外側に張り出した薄板状のフランジ部を長手方向に沿って備え、前記水受け溝は、下端のフランジ部の屋内側に設けられていることが好ましい。これにより、フランジ部が屋外側に張り出して意匠性の高い外観を形成することができるとともに、水受け溝から雨水を排水することができる。   In the eaves-end structure, the decorative member includes, on the upper end and the lower end, a thin plate-like flange portion projecting to the outdoor side along the longitudinal direction, and the water receiving groove is provided on the indoor side of the flange portion at the lower end. It is preferable. Thereby, while a flange part can project to the outdoor side and it can form the external appearance with high designability, rainwater can be drained from a water receiving groove.

また、前記化粧部材は、前記水受け溝の屋内側から下方に延設された垂れ壁を備えていることが好ましい。また、化粧部材には、前記水受け溝よりも屋内側に予備溝が備えられてもよい。このような垂れ壁や予備溝によって、外観からは軒裏が見えないように納めることができ、意匠性を高めることができる。   The decorative member preferably includes a hanging wall extending downward from the indoor side of the water receiving groove. Further, the decorative member may be provided with a preliminary groove on the indoor side of the water receiving groove. Such a drooping wall and a preliminary groove can be stored so that the back of the eaves cannot be seen from the outside, and the design can be improved.

また、前記鼻隠し部には化粧部材の支持具が取り付けられ、前記内水切りは、鼻隠し部に接合される取付板部と、取付板部の上方から水切り材の先端方向へ延び水切り材と鼻隠し部との間を覆う上方カバー部と、取付板部の下方から化粧部材の支持具に沿って延び軒樋の裏側を覆う下方カバー部と、水垂れ勾配を有して下方カバー部の先端から化粧部材の水受け溝に向かって延びる下方水切り板部とを一体に備えた構成であることが好ましい。   Further, a makeup member support is attached to the nasal concealment portion, and the internal drainer includes an attachment plate portion joined to the nasal concealment portion, and a drainage material extending from above the attachment plate portion toward the distal end of the drainage member. An upper cover part covering the gap between the nose cover part, a lower cover part extending from the lower side of the mounting plate part along the support of the decorative member and covering the back side of the eaves, and a lower cover part having a dripping gradient It is preferable that it is the structure integrally provided with the lower draining board part extended toward the water receiving groove | channel of a decorative member from a front-end | tip.

これにより、通常、軒樋から跳ね返った雨水は、内水切りの上方カバー部に当たり、軒樋へ流れる。降雨量が多いとき、軒樋の裏側に雨水が浸入したとしても、その雨水は内水切りを伝って下方へ流れ、下方水切り板部まで導くことができる。下方水切り板部へ導かれた雨水は、化粧部材の水受け溝に流れて排水されるので、軒天井を濡らすことが防がれる。   As a result, the rainwater bounced off from the eaves usually hits the upper cover part of the drainage and flows to the eaves. When there is a lot of rainfall, even if rainwater enters the back of the eaves, the rainwater can flow down through the internal drainer and be guided to the lower drainer. Since rainwater led to the lower draining plate portion flows into the water receiving groove of the decorative member and is drained, it is possible to prevent the eaves ceiling from getting wet.

本発明では、軒先の水切り材に加えて内水切りを備えており、軒樋の屋内側への雨水の回り込みを低減させている。また、軒樋の裏側へ雨水が浸入したとしても、内水切りによって、軒樋の屋外側へ雨水を導き、化粧部材の水受け溝から排水することができるので、軒天井を濡らす事態を回避することができる。   In the present invention, in addition to the draining material at the eaves, an internal draining is provided to reduce the wraparound of rainwater to the indoor side of the eaves fence. In addition, even if rainwater enters the back of the eaves, draining it from the outside of the eaves by draining the inside of the eaves and draining it from the water receiving groove of the decorative member avoids the situation of wetting the eaves ceiling be able to.

本発明の実施の形態に係る軒先構造を示す外観斜視図である。It is an external appearance perspective view which shows the eaves end structure which concerns on embodiment of this invention. 実施の形態に係る軒先構造を示す断面図である。It is sectional drawing which shows the eaves tip structure which concerns on embodiment. 図2の軒先構造の水下側を示す断面図である。It is sectional drawing which shows the underwater side of the eaves-end structure of FIG. 前記軒先構造の鼻隠し部における取付構造を示す斜視図である。It is a perspective view which shows the attachment structure in the nose cover part of the said eaves-end structure. 前記軒先構造の施工手順を示す説明図である。It is explanatory drawing which shows the construction procedure of the said eaves-end structure.

本発明の実施の形態に係る軒先構造について、図面を参照しつつ説明する。   An eaves-end structure according to an embodiment of the present invention will be described with reference to the drawings.

以下の説明では、建物の屋外側に外壁面より張り出して設けられる屋根の部分を軒、軒の屋外側の部分を軒先と称する。また、かかる軒には、窓などの開口部の上部に部分的に設けられた屋根である庇や、さらに軽微な屋根である霜除け庇などの壁面より張り出して設けられた建物の構造部を含む。   In the following description, a roof portion protruding from an outer wall surface on the outdoor side of a building is referred to as an eave, and an outdoor portion of the eave is referred to as an eaves tip. In addition, such eaves include a structural part of a building provided overhanging from a wall such as a roof that is partially provided on the upper part of an opening such as a window or a frost protection fence that is a lighter roof. .

図1に例示する形態では、建物1に、外壁から屋外側に張り出した庇2が設けられている。この庇2は開口部の上部などに設けられ、フラット屋根として構成されている。庇2の軒先の辺縁部には、化粧部材3が取り付けられている。化粧部材3は、上端と下端に薄板状のフランジ部31を有しており、フランジ部31が屋外側に張り出して意匠性の高い外観を形成している。   In the form illustrated in FIG. 1, the building 1 is provided with a gutter 2 projecting from the outer wall to the outdoor side. This trough 2 is provided in the upper part of an opening part etc., and is comprised as a flat roof. A decorative member 3 is attached to the edge of the eaves of the eaves 2. The decorative member 3 has a thin plate-like flange portion 31 at the upper end and the lower end, and the flange portion 31 protrudes to the outdoor side to form a highly designable appearance.

図2および図3に示すように、庇2は、サイディング材からなる屋根下地21に塗装鋼板からなる屋根材22が重ねられ、屋根下地21および屋根材22には適宜の水勾配が設けられている。屋根下地21は、溝形またはC形の屋根フレーム23の上端に配設されている。屋根フレーム23の下端には、吊金具24を介して鋼製の野縁25が取り付けられ、野縁25にサイディング材からなる軒裏材26が取り付けられて軒天井201が形成されている。屋根フレーム23の屋外側の側面は、庇2の軒厚に相当して鼻隠し部202を構成している。   As shown in FIGS. 2 and 3, the roof 2 has a roof base 21 made of a siding material and a roof material 22 made of a coated steel plate superimposed thereon, and the roof base 21 and the roof material 22 are provided with an appropriate water gradient. Yes. The roof base 21 is disposed at the upper end of a groove-shaped or C-shaped roof frame 23. A steel field edge 25 is attached to the lower end of the roof frame 23 via a hanging metal fitting 24, and an eaves backing material 26 made of a siding material is attached to the field edge 25 to form an eave ceiling 201. The side surface on the outdoor side of the roof frame 23 corresponds to the eave thickness of the eaves 2 and constitutes the nose cover portion 202.

化粧部材3の屋内側には軒樋4が配設されている。軒樋4は、軒先の辺縁部に沿って配設され、屋根材22を流れた雨水を受けて排水する作用をなす。図1に建物外観を示すように、軒樋4は、化粧部材3によって視覚的に遮蔽されている。この場合、軒樋4は、化粧部材3と軒先の屋根フレーム23との間に配設されている。軒樋4の下流には図示しない竪樋が接続されて、雨水が排水される。   An eaves 4 is disposed on the indoor side of the decorative member 3. The eaves trough 4 is arranged along the edge of the eaves edge, and receives and drains rainwater that has flowed through the roofing material 22. As shown in FIG. 1, the eaves 4 is visually shielded by the decorative member 3. In this case, the eaves basket 4 is disposed between the decorative member 3 and the roof frame 23 at the eaves end. A rainwater not shown is connected to the downstream side of the eaves 4 to drain the rainwater.

軒樋4は、合成樹脂系材料を用いて押出成形により角型形状に形成されている。図5に示すように、鼻隠し部202には、軒樋4の受け具40と、化粧部材3の支持具30とが、それぞれ間隔を設けて取り付けられている。受け具40は、金属製帯板材を折曲して、軒樋4の外面を保持しうる凹状に形成されている。化粧部材3の支持具30も、金属製帯板材を折曲して溝形状に形成されている。   The eaves 4 is formed in a square shape by extrusion molding using a synthetic resin material. As shown in FIG. 5, the receiving device 40 of the eaves 4 and the support device 30 of the decorative member 3 are attached to the nasal concealment portion 202 at intervals. The receiver 40 is formed in a concave shape capable of holding the outer surface of the eaves cage 4 by bending a metal strip. The support 30 of the decorative member 3 is also formed in a groove shape by bending a metal strip.

軒樋4は水勾配が付されて受け具40によって支持されている。受け具40は、屋根フレーム23に対して取付位置を高さ方向に調整することで、軒樋4を支持する高さを変更することができるように構成されている。例えば、図4に示すように、鼻隠し部202に対応する屋根フレーム23には、高さ方向に長いスリット状の長孔231が設けられている。受け具40の取付位置は、かかる長孔231の開口範囲内で変更することができる。   The eaves basket 4 is supported by a receptacle 40 with a water gradient. The receiver 40 is configured to be able to change the height for supporting the eaves rod 4 by adjusting the mounting position with respect to the roof frame 23 in the height direction. For example, as shown in FIG. 4, the roof frame 23 corresponding to the nose cover part 202 is provided with a slit-like long hole 231 that is long in the height direction. The attachment position of the receiving tool 40 can be changed within the opening range of the long hole 231.

受け具40は、屋内側の側面に図示しない貫通孔を備えており、長孔231を挿通させたボルト51およびボルト51に螺合させた蝶ナット52によって屋根フレーム23に止着される。軒樋4の水上側では長孔231の上部側にて蝶ナット52を止め付け、水下側では長孔231の下部側にて蝶ナット52を止め付ける。軒樋4は、受け具40の上方から受け具40に嵌め込まれて固定される。これにより、図2に示す水上側の軒樋4の高さ位置に対して、図3に示す水下側の軒樋4の高さ位置を低くすることができ、水勾配を付して軒樋4を配設することができる。   The receiving device 40 has a through hole (not shown) on the side surface on the indoor side, and is fixed to the roof frame 23 by a bolt 51 through which the long hole 231 is inserted and a wing nut 52 screwed into the bolt 51. The wing nut 52 is fastened on the upper side of the long hole 231 on the water upper side of the eaves 4, and the wing nut 52 is fastened on the lower side of the long hole 231 on the lower water side. The eaves hook 4 is fitted and fixed to the receptacle 40 from above the receptacle 40. Thereby, the height position of the eaves ridge 4 on the lower side shown in FIG. 3 can be lowered with respect to the height position of the eave ridge 4 on the upper side shown in FIG. A trough 4 can be provided.

屋根材22には、軒樋4に向けて軒先上端から垂下された水切り材27が備えられている。水切り材27は、屋根材22の軒先側の辺縁部に一体に形成され、斜め下方に延設されて水垂れ勾配を有している。水切り材27の先端は、水返しが設けられている。   The roofing material 22 is provided with a draining material 27 suspended from the upper end of the eaves toward the eaves wall 4. The draining material 27 is integrally formed at the edge of the roof material 22 on the eaves side, and extends obliquely downward to have a dripping gradient. The tip of the draining material 27 is provided with a water return.

図2および図3に示すように、水切り材27の背面側から鼻隠し部202(屋根フレーム23)にかけての凹部は、内水切り6によって覆われている。内水切り6は、アルミニウム板等の金属板材を折曲して形成され、上方カバー部61、取付板部62、下方カバー部63、および下方水切り板部64を一体に備えている。   As shown in FIGS. 2 and 3, the recess from the back side of the draining material 27 to the nasal cover part 202 (roof frame 23) is covered with the inner draining 6. The internal drainer 6 is formed by bending a metal plate material such as an aluminum plate, and integrally includes an upper cover portion 61, a mounting plate portion 62, a lower cover portion 63, and a lower drainer plate portion 64.

取付板部62は、屋根フレーム23に接合される、高さ方向に延びる部分である。上方カバー部61は、取付板部62の上方から水切り材27の先端方向へ延び、水切り材27と屋根フレーム23との間を覆う。下方カバー部63は、取付板部62の下方から化粧部材3の支持具30に沿って延び、軒樋4の外面を覆う。下方水切り板部64は、下方カバー部63の先端から化粧部材3の下部に向かって延設され、斜め下方に傾斜して水垂れ勾配を付して形成されている。   The mounting plate portion 62 is a portion that extends in the height direction and is joined to the roof frame 23. The upper cover portion 61 extends from above the mounting plate portion 62 toward the distal end of the draining material 27 and covers between the draining material 27 and the roof frame 23. The lower cover portion 63 extends along the support 30 of the decorative member 3 from below the attachment plate portion 62 and covers the outer surface of the eaves 4. The lower draining plate portion 64 extends from the tip of the lower cover portion 63 toward the lower portion of the decorative member 3, and is inclined obliquely downward and formed with a water dripping gradient.

例示の形態では、化粧部材3は、屋内側に、断面略Z形の接合部材32を備えている。化粧部材3は、接合部材32を介して支持具30に接合され固定されている。また、化粧部材3は、接合部材32の下方に水受け溝33を備えている。水受け溝33は、下方のフランジ部31の背面側に、長手方向に沿って設けられている。図2および図3に示すように、水受け溝33は、下方のフランジ部31の屋内側端縁に立ち上がりが設けられて、凹溝状に形成されている。内水切り6の下方水切り板部64は、この化粧部材3の水受け溝33に向けて延設されている。   In the illustrated embodiment, the decorative member 3 includes a joining member 32 having a substantially Z-shaped cross section on the indoor side. The decorative member 3 is joined and fixed to the support tool 30 via the joining member 32. The decorative member 3 includes a water receiving groove 33 below the joining member 32. The water receiving groove 33 is provided on the back side of the lower flange portion 31 along the longitudinal direction. As shown in FIG. 2 and FIG. 3, the water receiving groove 33 is formed in a concave groove shape with a rising edge provided at the indoor side edge of the lower flange portion 31. The lower draining plate portion 64 of the inner drainer 6 extends toward the water receiving groove 33 of the decorative member 3.

内水切り6には、補助水切り7が添設されている。補助水切り7は、内水切り6の取付板部62に重ねて配設される支持板部71と、この支持板部71の上方から軒樋4に向けて延設された水切り板部72とを一体に備えている。水切り板部72は、斜め下方に水垂れ勾配を持って形成された部分と、その先端から垂直方向下方へ延設された部分とを有する。補助水切り7は、支持板部71と水切り板部72とによって、軒樋4の屋内側端縁に覆い被さり、軒樋4と受け具40との屋内側の接合部を上から覆うように設けられている。   An auxiliary drainer 7 is attached to the inner drainer 6. The auxiliary drainer 7 includes a support plate portion 71 disposed so as to overlap the mounting plate portion 62 of the inner drainer 6, and a drainer plate portion 72 extending from above the support plate portion 71 toward the eaves bowl 4. It is prepared as one. The draining plate portion 72 has a portion formed with a water drooping gradient obliquely downward and a portion extending vertically downward from the tip thereof. The auxiliary drainer 7 is provided so as to cover the indoor side edge of the eaves basket 4 by the support plate part 71 and the drainer board part 72 and cover the joint portion on the indoor side of the eaves basket 4 and the receiving device 40 from above. It has been.

軒樋4と受け具40との屋外側の接合部は、カバー部材8によって被覆されている。軒樋4の屋外側の端縁部は、受け具40の屋外側の端縁部の上に重ねられ、受け具40に備えられたバンド401で押さえられている。カバー部材8は、これらの軒樋4と受け具40との屋外側の接合部に被せて配設されている。さらに、カバー部材8の屋外側の端縁部は、化粧部材3の背面に接合されるとともにシール材81で被覆されている。   The joint portion on the outdoor side of the eaves 4 and the receiving tool 40 is covered with a cover member 8. The edge part on the outdoor side of the eaves basket 4 is overlapped on the edge part on the outdoor side of the receiving device 40, and is pressed by a band 401 provided in the receiving device 40. The cover member 8 is disposed so as to cover the joint portion on the outdoor side of the eaves rod 4 and the receiving tool 40. Furthermore, the edge portion on the outdoor side of the cover member 8 is joined to the back surface of the decorative member 3 and covered with a sealing material 81.

かかる軒先構造は、図5に示すように、庇2の屋根フレーム23に屋根下地21および屋根材22を順に配設して施工される。屋根フレーム23の鼻隠し部202には、内水切り6、補助水切り7、および支持具30を順に重ねて取り付ける。軒樋4の受け具40については、図4に示したように、長孔231により取付レベルを調整し、軒樋4の水勾配に対応させて取り付ける。内水切り6および補助水切り7は、屋根フレーム23にあらかじめ一体化されて施工現場に搬入されることで、精度よく短期間での施工が可能となる。   As shown in FIG. 5, the eaves-end structure is constructed by sequentially arranging a roof base 21 and a roof material 22 on the roof frame 23 of the eaves 2. The inner drainer 6, the auxiliary drainer 7, and the support tool 30 are attached to the nose cover portion 202 of the roof frame 23 in order. As shown in FIG. 4, the attachment 40 of the eaves basket 4 is attached according to the water gradient of the eaves basket 4 by adjusting the attachment level by the long hole 231. The internal drainer 6 and the auxiliary drainer 7 are integrated with the roof frame 23 in advance and are carried into the construction site, so that the construction can be performed in a short period of time with high accuracy.

次いで、化粧部材3を、支持具30に対して接合部材32を介してボルト・ナット53を用いて取り付ける。受け具40には、上方から軒樋4を嵌め込み、軒樋4を固定する。軒樋4の水勾配は、前述のとおり、受け具40の固定位置により調整することができる。   Next, the decorative member 3 is attached to the support 30 using the bolts and nuts 53 via the joining members 32. The eaves ridge 4 is fitted into the receptacle 40 from above, and the eave ridge 4 is fixed. The water gradient of the eaves 4 can be adjusted by the fixing position of the receptacle 40 as described above.

次いで、軒樋4と受け具40との屋外側の接合部にカバー部材8を嵌め込む。カバー部材8の屋外側の端縁部を、接合部材32に止着して固定し、上からシール材81で被覆する。これにより、実施の形態に係る軒先構造が施工される。   Next, the cover member 8 is fitted into the joint portion on the outdoor side of the eaves basket 4 and the receiving tool 40. The edge portion on the outdoor side of the cover member 8 is fixed to the joining member 32 and is covered with the sealing material 81 from above. Thereby, the eaves structure which concerns on embodiment is constructed.

以上の構成を備える軒先構造においては、降雨時に、屋根材22を流れた雨水は水切り材27を伝って軒樋4に集められる。軒樋4の雨水は水下側に流れて排水される。降雨量が多い時や風雨が強い時には、軒樋4に落下した雨水は、軒樋4の底部に当たって跳ね返る可能性がある。軒樋4から屋内側に跳ね返った雨水は、内水切り6に当たり、上方カバー部61を伝って軒樋4へ落下する。また、屋内側に跳ね返って補助水切り7に当たった雨水は、水切り板部72を伝って軒樋4へ落下する。これにより、軒樋4の屋内側に跳ね返った雨水は、軒樋4の裏側に浸入することなく、軒樋4内に集められて排水される。   In the eaves tip structure having the above-described configuration, rainwater that has flowed through the roofing material 22 is collected in the eaves wall 4 through the draining material 27 during the rain. The rainwater of the eaves 4 flows down to the bottom. When there is a lot of rainfall or strong wind and rain, the rain water falling on the eaves 4 may hit the bottom of the eaves 4 and bounce off. The rainwater bounced from the eaves basket 4 to the indoor side hits the internal drainer 6 and falls to the eaves basket 4 through the upper cover 61. Further, the rainwater that bounces indoors and hits the auxiliary drainer 7 falls to the eaves wall 4 through the drainer plate part 72. As a result, the rainwater that has bounced back to the indoor side of the eaves 4 is collected and drained in the eaves 4 without entering the back side of the eaves 4.

軒樋4から屋外側に跳ね返った雨水は、カバー部材8に当たり、カバー部材8から軒樋4に流れ込む。カバー部材8は、軒樋4と受け具40との屋外側の接合部を被覆しているので、これらの隙間に雨水が入り込むことはない。   Rainwater bounced from the eaves basket 4 to the outdoor side hits the cover member 8 and flows into the eaves basket 4 from the cover member 8. Since the cover member 8 covers the joint portion on the outdoor side of the eaves cage 4 and the receiving member 40, rainwater does not enter these gaps.

ゲリラ豪雨が発生し降雨量が増大すると、多量の雨水が軒樋4で跳ねたり、軒樋4からあふれ出たりすることも考えられる。これに対し、実施の形態に係る軒先構造では、内水切り6および補助水切り7が備えられているので、雨水が軒樋4の裏側へは浸入しにくく、仮に浸入したとしても、その雨水は内水切り6を伝って下方水切り板部64に導かれる。下方水切り板部64は、化粧部材3の水受け溝33に向かって延設されているので、雨水は水受け溝33に集められる。このため、万一、軒樋4の裏側へ回り込む水があっても、軒天井201を濡らすことにはならず、屋外側の水受け溝33から排水することができる。   If guerrilla heavy rain occurs and the amount of rainfall increases, a large amount of rain water may splash at the eaves 4 or overflow from the eaves 4. On the other hand, the eaves tip structure according to the embodiment is provided with the internal drainer 6 and the auxiliary drainer 7, so that rainwater is difficult to enter the back side of the eaves wall 4, and even if it enters, It is guided to the lower draining plate portion 64 through the drainer 6. Since the lower draining plate portion 64 extends toward the water receiving groove 33 of the decorative member 3, rainwater is collected in the water receiving groove 33. For this reason, even if there is water that goes around to the back side of the eaves bowl 4, the eaves ceiling 201 is not wetted and can be drained from the water receiving groove 33 on the outdoor side.

さらに、化粧部材3には、水受け溝33の屋内側に垂れ壁34が接続され、予備溝35が備えられていることが好ましい。垂れ壁34は、水受け溝33の屋内側の辺縁部から下方に垂設されている。予備溝35は、垂れ壁34の下端部に、屋内側に張り出して溝状に形成され、水受け溝33と平行に配設されている。この予備溝35は軒裏材26と接することなく配設され、両者の縁は切られている。   Furthermore, it is preferable that a drip wall 34 is connected to the decorative member 3 on the indoor side of the water receiving groove 33 and a preliminary groove 35 is provided. The hanging wall 34 is suspended downward from the indoor side edge of the water receiving groove 33. The preliminary groove 35 is formed in a groove shape at the lower end portion of the hanging wall 34 so as to protrude indoors, and is arranged in parallel with the water receiving groove 33. The preliminary groove 35 is disposed without being in contact with the eaves backing 26, and the edges of both are cut.

これにより、軒樋4の裏側へ回り込んだ雨水は水受け溝33に集められ、さらに、水受け溝33から雨水があふれ出ることがあっても、その下方の予備溝35にて、あふれた雨水を受けることができる。したがって、雨水の回り込みによって軒天井201(軒裏材26)を濡らすことが回避される。また、これらの垂れ壁34および予備溝35によって、軒裏材26の外縁部は、外観から見えないように納められ、化粧部材3の見付け寸法も小さく抑えられている。これにより、庇2の外観の意匠性を高めることができる。   As a result, the rainwater that circulates to the back of the eaves 4 is collected in the water receiving groove 33, and even if rainwater overflows from the water receiving groove 33, it overflows in the reserve groove 35 below it. Can receive rainwater. Therefore, it is avoided that the eaves ceiling 201 (eave back material 26) is wetted by rainwater. Further, the outer wall portion of the eaves backing material 26 is stored so as not to be seen from the appearance by the drooping wall 34 and the spare groove 35, and the finding dimension of the decorative member 3 is also kept small. Thereby, the designability of the external appearance of the collar 2 can be improved.

以上のように、本発明によれば、雨水を軒樋4に効果的に集めて排水することができ、軒樋4の裏側への雨水の浸入を抑制し、万一、雨水が浸入しても軒天井201に変色やしみ等を生じることが防がれ、耐久性および美観に優れた軒先構造とすることができる。   As described above, according to the present invention, rainwater can be effectively collected and drained in the eaves wall 4, and the intrusion of rainwater into the back side of the eaves wall 4 is suppressed. In addition, discoloration, stains, and the like are prevented from occurring on the eaves ceiling 201, and an eaves tip structure excellent in durability and aesthetics can be obtained.

なお、庇2において、屋根フレーム23、屋根下地21、および屋根材22は、ユニット化されて、あらかじめ組付けられた状態で施工現場に搬入されても、また施工現場にて組み上げられてもよい。屋根フレーム23や屋根材22等は、金属製の部材を例示したが、本発明はこれに限られず、木質材等のどのような材質からなる部材であってもよい。さらに、庇2および軒樋4には、水勾配を付すことが好ましいが、水勾配を付さずに略水平に設けられてもよい。軒樋4も上記構成に限定されるものではなく、丸樋等であってもよく、また耐蝕加工が施され、または耐蝕性を有する金属板材からなる部材でもよい。   In addition, in the fence 2, the roof frame 23, the roof base 21, and the roofing material 22 may be unitized and carried into the construction site in a state of being assembled in advance, or may be assembled at the construction site. . The roof frame 23, the roof material 22 and the like are metal members, but the present invention is not limited to this, and may be a member made of any material such as a wood material. Furthermore, the ridge 2 and the eaves ridge 4 are preferably provided with a water gradient, but may be provided substantially horizontally without being provided with a water gradient. The eaves rod 4 is not limited to the above-described configuration, and may be a round rod or the like, or may be a member that is subjected to corrosion resistance processing or is made of a metal plate material having corrosion resistance.

本発明は、建物の軒先構造として好適に利用可能である。   The present invention can be suitably used as a building eaves structure.

1 建物
2 庇
21 屋根下地
22 屋根材
23 屋根フレーム
231 長孔
24 吊金具
25 野縁
26 軒裏材
27 水切り材
201 軒天井
202 鼻隠し部
3 化粧部材
31 フランジ部
32 接合部材
33 水受け溝
30 支持具
4 軒樋
40 受け具
6 内水切り
61 上方カバー部
62 取付板部
63 下方カバー部
64 下方水切り板部
7 補助水切り
71 支持板部
72 水切り板部
8 カバー部材
81 シール材
DESCRIPTION OF SYMBOLS 1 Building 2 Coral 21 Roof base 22 Roof material 23 Roof frame 231 Long hole 24 Hanging bracket 25 Field edge 26 Eaves backing 27 Drainage material 201 Eaves ceiling 202 Nose cover part 3 Makeup member 31 Flange part 32 Joint member 33 Water receiving groove 30 Support tool 4 eaves 40 Receiving tool 6 Internal drainer 61 Upper cover part 62 Mounting plate part 63 Lower cover part 64 Lower drainer plate part 7 Auxiliary drainer 71 Support plate part 72 Drainer plate part 8 Cover member 81 Sealing material

Claims (5)

軒先の鼻隠し部に沿って軒樋を備えるとともに軒樋の屋外側に化粧部材が配設された軒先構造であって、
軒先上端から水切り材が軒樋に向けて垂下され、化粧部材は屋内側下部に水受け溝を備え、
水切り材の背面側から鼻隠し部にかけての凹部が内水切りによって覆われるとともに、内水切りの下端縁は、軒樋の裏側から化粧部材の水受け溝に向けて延設されていることを特徴とする軒先構造。
The eaves structure is provided with an eaves along the nose cover part of the eaves and a decorative member is arranged on the outdoor side of the eaves,
The draining material is suspended from the top of the eaves toward the eaves, and the decorative member has a water receiving groove at the indoor side lower part,
The recess from the back side of the draining material to the nasal concealing part is covered with the internal draining, and the lower end edge of the internal draining is extended from the back side of the eaves bowl toward the water receiving groove of the decorative member. Eaves structure to do.
請求項1に記載の軒先構造において、
化粧部材は、上端および下端に、屋外側に張り出した薄板状のフランジ部を長手方向に沿って備え、前記水受け溝は、下端のフランジ部の屋内側に設けられたことを特徴とする軒先構造。
In the eaves structure according to claim 1,
The decorative member includes, on the upper end and the lower end, a thin plate-like flange portion projecting to the outdoor side along the longitudinal direction, and the water receiving groove is provided on the indoor side of the lower flange portion. Construction.
請求項1または2に記載の軒先構造において、
化粧部材は、前記水受け溝の屋内側から下方に延設された垂れ壁を備えたことを特徴とする軒先構造。
In the eaves structure according to claim 1 or 2,
The decorative member includes a hanging wall extending downward from the indoor side of the water-receiving groove.
請求項1〜3のいずれか一つの請求項に記載の軒先構造において、
化粧部材は、前記水受け溝よりも屋内側に予備溝を備えたことを特徴とする軒先構造。
In the eaves structure according to any one of claims 1 to 3,
The eaves structure is characterized in that the decorative member has a preliminary groove on the indoor side of the water receiving groove.
請求項1〜4のいずれか一つの請求項に記載の軒先構造において、
鼻隠し部に化粧部材の支持具が取り付けられ、
内水切りは、鼻隠し部に接合される取付板部と、取付板部の上方から水切り材の先端方向へ延び水切り材と鼻隠し部との間を覆う上方カバー部と、取付板部の下方から化粧部材の支持具に沿って延び軒樋の裏側を覆う下方カバー部と、水垂れ勾配を有して下方カバー部の先端から化粧部材の水受け溝に向かって延びる下方水切り板部とを一体に備えたことを特徴とする軒先構造。
In the eaves structure according to any one of claims 1 to 4,
A decorative member support is attached to the nasal cover,
The internal drainer includes an attachment plate part joined to the nose cover part, an upper cover part extending from the upper part of the attachment plate part toward the distal end of the drainer material and covering between the drainer and the nose cover part, and below the attachment plate part. A lower cover portion that extends along the support of the decorative member and covers the back side of the eaves ridge, and a lower draining plate portion that has a water dripping gradient and extends from the tip of the lower cover portion toward the water receiving groove of the decorative member. Eaves-end structure characterized by being provided integrally.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0988277A (en) * 1995-09-28 1997-03-31 Mitsubishi Plastics Ind Ltd Constituting body of eaves throating
JP2000355979A (en) * 1999-06-17 2000-12-26 Sekisui Chem Co Ltd Structure of eaves edge
JP2005180090A (en) * 2003-12-22 2005-07-07 Sekisui House Ltd Eaves structure with ventilation function
JP2012149468A (en) * 2011-01-21 2012-08-09 Sekisui Chem Co Ltd Eaves edge structure and construction method of eaves edge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0988277A (en) * 1995-09-28 1997-03-31 Mitsubishi Plastics Ind Ltd Constituting body of eaves throating
JP2000355979A (en) * 1999-06-17 2000-12-26 Sekisui Chem Co Ltd Structure of eaves edge
JP2005180090A (en) * 2003-12-22 2005-07-07 Sekisui House Ltd Eaves structure with ventilation function
JP2012149468A (en) * 2011-01-21 2012-08-09 Sekisui Chem Co Ltd Eaves edge structure and construction method of eaves edge

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