JP5694791B2 - Eaves-end structure and eaves-end construction method - Google Patents
Eaves-end structure and eaves-end construction method Download PDFInfo
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- JP5694791B2 JP5694791B2 JP2011010536A JP2011010536A JP5694791B2 JP 5694791 B2 JP5694791 B2 JP 5694791B2 JP 2011010536 A JP2011010536 A JP 2011010536A JP 2011010536 A JP2011010536 A JP 2011010536A JP 5694791 B2 JP5694791 B2 JP 5694791B2
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- 238000010276 construction Methods 0.000 title claims description 9
- 238000009423 ventilation Methods 0.000 claims description 45
- 238000004891 communication Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 230000000694 effects Effects 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000002023 wood Substances 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 239000002916 wood waste Substances 0.000 description 1
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Description
この発明は、壁換気機能を向上させた軒先構造および軒先施工方法に関するものである。 The present invention relates to an eaves tip structure and an eaves tip construction method with improved wall ventilation function.
住宅などの建物には、一般に、屋根が設けられている（例えば、特許文献１参照）。 A building such as a house is generally provided with a roof (see, for example, Patent Document 1).
このような屋根の軒先構造には、屋根部の軒側端部に対して横桟部材を固定すると共に、この横桟部材の下面に壁部の上端部を当接配置するようにしたものが存在している。 In such a roof eaves-end structure, a cross beam member is fixed to an eave side end portion of the roof portion, and the upper end portion of the wall portion is disposed in contact with the lower surface of the horizontal beam member. Existing.
そして、上記した屋根部の軒側端部における横桟部材の上部に、屋根部の内部空間を外部へ開放可能な屋根用換気口部を設けて、屋根部の内部空間の換気（屋根換気）を行わせるようにすることも行われている。 And the ventilation part for roofs which can open the interior space of a roof part outside is provided in the upper part of a crosspiece member in the eaves side edge part of an above-mentioned roof part, and ventilation (roof ventilation) of the interior space of a roof part It is also done to let you do.
しかしながら、上記した軒先構造では、横桟部材の下面側に設置された壁部の内部空間に対する換気（壁換気）については特に行われていなかった。または、壁換気は屋根換気とは切離されていた。 However, in the eaves-end structure described above, ventilation (wall ventilation) with respect to the internal space of the wall portion installed on the lower surface side of the horizontal beam member has not been performed. Or wall ventilation was separated from roof ventilation.
上記課題を解決するために、本発明は、屋根部の軒側端部に、横桟部材の内側面を固定し、該横桟部材の下面に壁部の上端部を当接配置すると共に、前記屋根部の軒側端部における前記横桟部材の上部に、屋根部の内部空間を外部へ開放可能な屋根用換気口部を設けた軒先構造において、前記屋根部の軒側端部の周辺に、前記壁部の内部空間を、前記屋根用換気口部またはその近傍へ連通可能な上下連通部を設け、該上下連通部が、前記横桟部材、または、前記屋根部の軒側端部と前記横桟部材の内側面との間の部分に設けられたことを特徴とする。 In order to solve the above-mentioned problem, the present invention fixes the inner side surface of the horizontal beam member to the eaves side end portion of the roof portion, and places the upper end portion of the wall portion in contact with the lower surface of the horizontal beam member, In the eaves end structure provided with a roof ventilation port part that can open the internal space of the roof part to the outside at the upper part of the cross beam member at the eaves side end part of the roof part, the periphery of the eaves side end part of the roof part Provided with a vertical communication portion capable of communicating the internal space of the wall portion with the roof ventilation port portion or the vicinity thereof , wherein the vertical communication portion is the horizontal beam member or the eaves side end portion of the roof portion. And the inner side surface of the crosspiece member .
本発明によれば、上記構成によって、以下のような作用効果を得ることができる。即ち、屋根部の軒側端部の周辺に上下連通部を設け、上下連通部が、横桟部材、または、屋根部の軒側端部と横桟部材の内側面との間の部分に設けられるようにしたことにより、壁部の内部空間を屋根用換気口部に連通することが可能となる。 According to the present invention, the following effects can be obtained by the above-described configuration. That is, a vertical communication part is provided around the eaves side edge of the roof part, and the vertical communication part is provided in a horizontal beam member or a portion between the eaves side edge of the roof part and the inner side surface of the horizontal beam member. By doing so, the interior space of the wall portion can be communicated with the roof ventilation port portion.
本発明は、上記した各問題点を解決するために、軒先部分の屋根換気に壁換気を関連付けて設けるよう構成している。 In order to solve the above-described problems, the present invention is configured to provide wall ventilation in association with roof ventilation of the eaves portion.
以下、本発明を具体化した実施例を詳細に説明する。 Hereinafter, embodiments embodying the present invention will be described in detail.
＜構成＞以下、この実施例の構成について説明する。 <Configuration> The configuration of this embodiment will be described below.
まず、この実施例にかかる建物について説明する。 First, a building according to this embodiment will be described.
この実施例では、上記した建物はユニット住宅とされている。但し、ユニット住宅以外の建物であっても良い。 In this embodiment, the building described above is a unit house. However, it may be a building other than a unit house.
ここで、ユニット住宅は、予め工場で製造した複数の住宅ユニットをトラックで建築現場へ搬送して、建築現場で住宅ユニットを平面的に並べたり、上下に積重ねたりすることにより、短期間で建物を構築し得るようにしたものである。 Here, unit houses are built in a short period of time by transporting a plurality of housing units manufactured in advance at the factory to the construction site by truck, and arranging the housing units on the construction site in a plane or stacking up and down. Can be constructed.
上記した住宅ユニットには、鉄骨系のものと木質系のものとが存在するが、この場合には、鉄骨系のものが使用されている。但し、木質系の住宅ユニットであっても良い。 There are steel-based and wood-based housing units as described above. In this case, steel-based ones are used. However, it may be a wooden housing unit.
そして、鉄骨系の住宅ユニットは、通常、４本のユニット柱の上端間に、４本の天井梁を矩形状に連結すると共に、上記した４本のユニット柱の下端間に、４本の床梁を矩形状に連結して成る、ボックスラーメン構造のユニットフレームを有している。ここで、ユニット柱には、角型鋼管が使用される。また、天井梁および床梁には、Ｃ型鋼が使用される。 The steel-based housing unit normally has four ceiling beams connected in a rectangular shape between the upper ends of the four unit columns, and four floors between the lower ends of the four unit columns. It has a unit frame with a box ramen structure, which is formed by connecting beams in a rectangular shape. Here, a square steel pipe is used for the unit column. Moreover, C type steel is used for a ceiling beam and a floor beam.
以下、上記を図面に即して説明する。 The above will be described with reference to the drawings.
図１はこの実施例にかかる軒先構造を示す断面図、図２は図１の部分拡大図である。 FIG. 1 is a cross-sectional view showing an eaves structure according to this embodiment, and FIG. 2 is a partially enlarged view of FIG.
図１では、下階の住宅ユニット１の上部に、上階の住宅ユニット２が載置された状態を示している。そして、上記した下階の住宅ユニット１に対し、別の下階の住宅ユニット３が隣接して配置された状態を示している。この場合、上記した下階の住宅ユニット１の天井梁１ａの上部に、上階の住宅ユニット２の床梁２ａが設置され、下階の住宅ユニット１の天井梁１ａの側部に、別の下階の住宅ユニット３の天井梁３ａが隣接して設置されている。また、この天井梁３ａの対辺となる天井梁３ｂが所要の間隔を有して設置されている。 FIG. 1 shows a state in which an upper floor residential unit 2 is placed on top of a lower floor residential unit 1. And the state where the housing unit 3 of another lower floor was arrange | positioned adjacently with respect to the housing unit 1 of the above-mentioned lower floor is shown. In this case, the floor beam 2a of the upper-floor residential unit 2 is installed above the ceiling beam 1a of the lower-floor residential unit 1, and another side of the ceiling beam 1a of the lower-floor residential unit 1 ceiling beams 3a of the lower floor of the residential units 3 are installed adjacent. In addition, a ceiling beam 3b that is opposite to the ceiling beam 3a is installed with a predetermined interval.
そして、上階の住宅ユニット２の側面には、壁部４が垂直に取付けられている。また、別の下階の住宅ユニット３の上面には、屋根部５が軒先側へ向かって緩い下り勾配に取付けられると共に、この別の下階の住宅ユニット３の側面には、壁部６が垂直に取付けられている。この場合、上記した屋根部５は、例えば、別の下階の住宅ユニット３の上面のみに対して部分的に設けられる庇部などとされている。 And the wall part 4 is attached to the side surface of the housing unit 2 of an upper floor perpendicularly | vertically. Further, the roof portion 5 is attached to the upper surface of another lower-floor housing unit 3 with a gentle downward slope toward the eaves side, and the wall portion 6 is formed on the side surface of the other lower-floor housing unit 3. Installed vertically. In this case, the above-described roof portion 5 is, for example, a collar portion that is partially provided only on the upper surface of another lower-floor residential unit 3.
以上が、この実施例における建物の概略である。 The above is the outline of the building in this embodiment.
次に、この実施例にかかる軒先構造について説明する。 Next, the eaves structure according to this embodiment will be described.
この実施例にかかる、別の下階の住宅ユニット３の軒先構造は、上記した屋根部５の軒側端部に、横桟部材１１の内側面を固定し、この横桟部材１１の下面に上記した壁部６の上端部を当接配置するようにしている。そして、屋根部５の軒側端部における横桟部材１１の上部に、屋根部５の内部空間５ａを外部へ開放することにより屋根換気が可能な屋根用換気口部１２を設けるようにしている。 The eaves tip structure of the housing unit 3 on the lower floor according to this embodiment is such that the inner side surface of the horizontal beam member 11 is fixed to the eaves side end of the roof portion 5 described above, and the lower surface of the horizontal beam member 11 is fixed. The upper end portion of the wall portion 6 described above is disposed so as to abut. And the roof ventilation port part 12 which can ventilate the roof by opening the internal space 5a of the roof part 5 to the outside is provided in the upper part of the cross beam member 11 at the eaves side end of the roof part 5. .
ここで、上記した「屋根部５」は、平行な一対の垂木受梁１３と、この垂木受梁１３間に（垂木受梁１３の）長手方向に沿い所要の間隔を有して複数本架設された垂木１４と、この垂木１４の上部に貼設固定された野地板１５とを有する屋根パネル１６を備えている。但し、屋根部５は、屋根パネル１６を使用したものに限られるものではない。そして、上記した屋根部５の内部空間５ａは、図３の斜視図に示すように、主に、隣接する垂木１４の側面間に形成される。 Here, a plurality of “roof parts 5” described above are installed with a pair of parallel rafter receiving beams 13 and a predetermined interval between the rafter receiving beams 13 along the longitudinal direction (of the rafter receiving beams 13). A roof panel 16 having a rafter 14 and a base plate 15 attached and fixed to the upper portion of the rafter 14 is provided. However, the roof part 5 is not limited to the one using the roof panel 16. And the internal space 5a of the above-mentioned roof part 5 is mainly formed between the side surfaces of the adjacent rafter 14, as shown in the perspective view of FIG.
「垂木受梁１３」は、図１に示すように、縦面部１３ａと横面部１３ｂとを有するＬ型鋼によって構成されている。一対の垂木受梁１３の縦面部１３ａはほぼ上方へ向けて互いに平行に配置され、横面部１３ｂは各縦面部１３ａの下端部から互いに向き合うようにほぼ水平に配置されている。一対の垂木受梁１３は、各々上記した天井梁３ａ，３ｂのそれぞれの上部に天井梁３ａ，３ｂと平行に設置されると共に、その横面部１３ｂを、ボルトやナットなどの固定具１３ｃなどを用いて、各天井梁３ａ，３ｂに固定される。 As shown in FIG. 1, the “rafter receiving beam 13” is made of L-shaped steel having a vertical surface portion 13a and a horizontal surface portion 13b. The vertical surface portions 13a of the pair of rafter receiving beams 13 are disposed substantially parallel to each other upward, and the lateral surface portions 13b are disposed substantially horizontally so as to face each other from the lower end portions of the respective vertical surface portions 13a. The pair of rafter receiving beams 13 are installed in parallel to the ceiling beams 3a and 3b on the respective ceiling beams 3a and 3b, respectively, and the lateral surface portion 13b is fixed with a fixture 13c such as a bolt or a nut. And fixed to the ceiling beams 3a and 3b.
「垂木１４」は、垂木受梁１３の長手方向とほぼ垂直な方向へ向けて延設されると共に、垂木受梁１３の縦面部１３ａにその端部を当接され、横面部１３ｂにその端部下面を直接またはスペーサを介して間接的に載置されている。そして、垂木１４は、垂木受梁１３の縦面部１３ａよりも高さ寸法が大きくなるように構成されており、この垂木受梁１３の縦面部１３ａよりも上に突出した部分に、上記した屋根用換気口部１２が形成されるようになっている。 The “rafter 14” extends in a direction substantially perpendicular to the longitudinal direction of the rafter receiving beam 13, and its end is brought into contact with the vertical surface portion 13a of the rafter receiving beam 13, and the end thereof is brought into contact with the lateral surface portion 13b. The lower surface of the part is placed directly or indirectly through a spacer. The rafter 14 is configured to have a height dimension larger than that of the vertical surface portion 13a of the rafter receiving beam 13, and the above-described roof is formed on a portion protruding above the vertical surface portion 13a of the rafter receiving beam 13. A ventilation port portion 12 is formed.
「野地板１５」の上部には、図４の斜視図に示すように、ルーフィング材１７ａ（防水シート）や、屋根材１７ｂ（鋼板）などの屋根仕上材１７が設置される。 As shown in the perspective view of FIG. 4, a roof finishing material 17 such as a roofing material 17 a (waterproof sheet) and a roof material 17 b (steel plate) is installed on the “field board 15”.
次に、上記した「壁部６」は、図２に示すように、外壁材１８と、内壁材１９とを有している。そして、外壁材１８と、内壁材１９との間の隙間に、上下方向へ延びる内部空間６ａが形成されている。この場合、横桟部材１１の下面には外壁材１８の上端部のみが突き当たるようになっており、内壁材１９の上端部は天井梁３ｂの下面に突き当たるようになっている。 Next, the above-mentioned “wall portion 6” includes an outer wall material 18 and an inner wall material 19, as shown in FIG. An internal space 6 a extending in the vertical direction is formed in the gap between the outer wall member 18 and the inner wall member 19. In this case, only the upper end portion of the outer wall member 18 abuts against the lower surface of the horizontal beam member 11, and the upper end portion of the inner wall member 19 abuts against the lower surface of the ceiling beam 3b.
そして、上記した「横桟部材１１」には、木材、樹脂材、金属材などが用いられる。この場合には、木粉（例えば、木質廃材を使用）を樹脂材（例えば、リサイクル樹脂を使用）で固めて成る合成木材が用いられている。横桟部材１１は、図３に示すように、垂木受梁１３の縦面部１３ａに対してドリルネジ１１ａで固定される。 For the “horizontal cross member 11”, wood, resin material, metal material, or the like is used. In this case, synthetic wood is used in which wood powder (for example, wood waste is used) is hardened with a resin material (for example, recycled resin is used). As shown in FIG. 3, the crosspiece member 11 is fixed to the vertical surface portion 13a of the rafter receiving beam 13 with a drill screw 11a.
また、上記した「屋根用換気口部１２」には、図４の斜視図に示すような軒先カバー部材２１や、図５の斜視図に示すような軒先水返２２などが取付けられる。この軒先水返２２は、図２に示すように、軒先カバー部材２１の下側に取付けられることにより、軒先カバー部材２１と共に、上記した屋根用換気口部１２から緩い下り勾配を有して外方へ張出す換気用通路２３を構成するようになっている。この換気用通路２３の先端部には、外部に対して下向きに開放する狭い換気口２３ａが形成されている。 Further, the above-described “roof ventilation opening 12” is attached with an eaves edge cover member 21 as shown in the perspective view of FIG. 4, an eaves water return 22 as shown in the perspective view of FIG. As shown in FIG. 2, the eaves-end water return 22 is attached to the lower side of the eaves-end cover member 21, so that the eaves-end water return 22, together with the eaves end cover member 21, has a gentle downward slope from the roof vent 12. A ventilation passage 23 is formed to project toward the direction. A narrow ventilation port 23 a that opens downward from the outside is formed at the tip of the ventilation passage 23.
ここで、軒先カバー部材２１は、図４に示すように、軒先部分（屋根材１７ｂなど）に対する取付部２１ａと、換気用通路２３の上面を構成する緩い下り勾配の外方張出部２１ｂと、換気口２３ａの外側面を構成すべく外方張出部２１ｂの先端から下方へ屈曲する下降部２１ｃとを有している。また、軒先水返２２は、図５に示すように、軒先部分（横桟部材１１など）に対する取付部２２ａと、換気用通路２３の上面を構成する緩い下り勾配の外方張出部２２ｂと、換気口２３ａの内側面を構成すべく外方張出部２２ｂの先端から上方へ屈曲する上昇部２２ｃとを有している。 Here, as shown in FIG. 4, the eaves end cover member 21 includes an attachment part 21 a for the eaves part (roof material 17 b and the like), and an outward projecting part 21 b with a gentle downward slope that constitutes the upper surface of the ventilation passage 23. The lower part 21c bends downward from the tip of the outward projecting part 21b so as to constitute the outer surface of the ventilation port 23a. Further, as shown in FIG. 5, the eaves water return 22 includes an attachment portion 22 a for the eaves portion (the cross beam member 11 and the like), and an outward projecting portion 22 b having a gentle downward slope that constitutes the upper surface of the ventilation passage 23. In order to form the inner surface of the ventilation port 23a, there is a rising portion 22c that bends upward from the tip of the outward projecting portion 22b.
そして、上記したような基本構成に対し、この実施例では、以下のような構成を備えるようにしている。 In contrast to the basic configuration as described above, this embodiment has the following configuration.
（構成１）
図２に示すように、上記した屋根部５の軒側端部の周辺に、壁部６の内部空間６ａを、屋根用換気口部１２またはその近傍へ連通可能な上下連通部３１を設けるようにする。
(Configuration 1)
As shown in FIG. 2, an upper and lower communication portion 31 capable of communicating the internal space 6a of the wall portion 6 with the roof ventilation port portion 12 or the vicinity thereof is provided around the eaves side end portion of the roof portion 5 described above. To.
なお、屋根用換気口部１２の近傍とは、換気用通路２３の屋根用換気口部１２に近い奥側の部分を意味している。 The vicinity of the roof ventilation opening 12 means a portion on the back side of the ventilation passage 23 near the roof ventilation opening 12.
この上下連通部３１は、例えば、横桟部材１１に対して上下方向へ延びる連通孔を形成することなどによっても得ることができるが、好ましくは以下のようにする。 The vertical communication portion 31 can be obtained by, for example, forming a communication hole extending in the vertical direction with respect to the horizontal rail member 11, but is preferably configured as follows.
（構成２）
即ち、図３に示すように、上記した上下連通部３１が、屋根部５の軒側端部と横桟部材１１の内側面との間の部分に介在されたスペーサ３２によって形成されるようにする。
(Configuration 2)
That is, as shown in FIG. 3, the upper and lower communication portions 31 described above are formed by the spacers 32 interposed in the portion between the eaves side end portion of the roof portion 5 and the inner side surface of the crosspiece member 11. To do.
このスペーサ３２は、図６に示すように、横桟部材１１の内側面にビス３２ａで固定して、垂木受梁１３の縦面部１３ａの外側面に対して当接させ得るようにする。この際、ビス３２ａの頭部は、スペーサ３２の表面から突出しないようにする。 As shown in FIG. 6, the spacer 32 is fixed to the inner side surface of the cross beam member 11 with a screw 32 a so that it can be brought into contact with the outer side surface of the vertical surface portion 13 a of the rafter receiving beam 13. At this time, the head of the screw 32 a does not protrude from the surface of the spacer 32.
更に、スペーサ３２は、少なくとも２本以上の垂木１４の端部と合致する位置に設けて、垂木１４で裏当し得るようにする。 Further, the spacer 32 is provided at a position that coincides with the ends of at least two rafters 14 so that the rafters 14 can be abutted against each other.
（構成３）
更に、図２に示すように、上記した上下連通部３１に、水滴の通過が不能で且つ湿気の通過が可能な防水透湿材３３を設置する。
(Configuration 3)
Further, as shown in FIG. 2, a waterproof / moisture permeable material 33 that cannot allow water droplets to pass therethrough and that allows moisture to pass therethrough is installed in the above-described upper and lower communication portions 31.
この防水透湿材３３には、水滴よりも径が小さく、且つ、湿気の粒よりも径の大きな無数の微細孔を有するシートを用いる。この防水透湿材３３は、上下連通部３１の上部や中間部などに設けることも考えられるが、施工性や機能性などを考慮して、上下連通部３１の下部に設けるようにする。具体的には、防水透湿材３３を粘着テープ状に加工して、別の下階の住宅ユニット３の天井梁３ｂの下面と、横桟部材１１の下面との間に跨がるように貼設する。 As the waterproof and moisture permeable material 33, a sheet having innumerable fine holes having a diameter smaller than that of water droplets and larger than that of moisture particles is used. The waterproof / moisture permeable material 33 may be provided at an upper part or an intermediate part of the upper / lower communication part 31, but is provided at a lower part of the upper / lower communication part 31 in consideration of workability and functionality. Specifically, the waterproof and moisture-permeable material 33 is processed into an adhesive tape shape so as to straddle between the lower surface of the ceiling beam 3b of the lower-floor residential unit 3 and the lower surface of the horizontal beam member 11. Paste.
（構成４）
そして、上記した横桟部材１１の外側面に、軒樋３５またはこの軒樋３５を覆う化粧カバー３６のうちの少なくとも一方を直接または間接的に取付けるようにする。
(Configuration 4)
Then, at least one of the eaves 35 or the decorative cover 36 covering the eaves 35 is directly or indirectly attached to the outer side surface of the horizontal cross member 11 described above.
ここで、「軒樋３５」は、横桟部材１１の長手方向に沿って延びると共に、底面部３５ａと内側面３５ｂと外側面３５ｃとを有して上側が開放された断面ほぼＵ字状のものとする。この軒樋３５は、図７の斜視図に示すような軒樋取付具３７を用いて横桟部材１１に間接的に取付けられるようにする。 Here, the “eave bar 35” extends along the longitudinal direction of the crosspiece member 11 and has a bottom surface portion 35a, an inner side surface 35b, and an outer side surface 35c, and has a substantially U-shaped cross section with the upper side open. Shall. The eaves 35 is indirectly attached to the crosspiece member 11 using an eaves fixture 37 as shown in the perspective view of FIG.
「軒樋取付具３７」は、軒樋３５の長手方向に間隔を有して複数配置された取付ブラケットなどとされる。この軒樋取付具３７は、図２に示すように、横桟部材１１の外側面に対する取付面３７ａと、この取付面３７ａから外方へ向かって延びるアーム部３７ｂとを有している。このアーム部３７ｂの先端上部には、軒樋３５の外側面３５ｃの膨らんだ上端縁部を係止および回動保持可能なフック状をした回動可能係止部３７ｃを備えている。また、アーム部３７ｂの基部近傍下部には、軒樋３５の内側面３５ｂの膨らんだ上端縁部を係止保持可能な爪部３７ｄを備えている。そして、図８（ａ）に示すように、軒樋３５を斜めにして軒樋取付具３７の回動可能係止部３７ｃに、軒樋３５の外側面３５ｃの膨らんだ上端縁部を係止保持させておき、回動可能係止部３７ｃの位置を中心として軒樋３５が水平となるように軒樋３５を回動することにより、図８（ｂ）に示すように、爪部３７ｄに軒樋３５の内側面３５ｂの膨らんだ上端縁部を係止保持させて、軒樋取付具３７に軒樋３５を取付け得るように構成している。 The “eave rod attachment 37” is a plurality of mounting brackets or the like that are arranged at intervals in the longitudinal direction of the eaves rod 35. As shown in FIG. 2, the eaves fixture 37 includes an attachment surface 37 a for the outer surface of the crosspiece member 11, and an arm portion 37 b extending outward from the attachment surface 37 a. At the upper end of the arm portion 37b, a pivotable locking portion 37c having a hook shape capable of locking and holding the swollen upper end edge of the outer surface 35c of the eaves rod 35 is provided. Further, a claw portion 37d capable of locking and holding the bulging upper edge portion of the inner side surface 35b of the eaves rod 35 is provided in the lower portion near the base portion of the arm portion 37b. Then, as shown in FIG. 8 (a), the eaves hook 35 is inclined, and the swollen upper edge of the outer side surface 35c of the eaves hook 35 is locked to the turnable locking part 37c of the eaves hook attachment 37. As shown in FIG. 8 (b), the claw portion 37d is attached to the claw portion 37d by rotating the eave cage 35 so that the eave cage 35 is horizontal about the position of the pivotable locking portion 37c. The swelled upper end edge of the inner side surface 35b of the eaves bowl 35 is latched and held so that the eaves bowl 35 can be attached to the eaves bowl fixture 37.
また、図９に示すように、「化粧カバー３６」は、軒樋３５の外側面３５ｃを外側から間隔を有して覆う側板部３６ａと、図１０に示すように、軒樋３５の底面部３５ａを下側から間隔を有して覆う底板部３６ｂとを別個に備えている。この化粧カバー３６は、図７に示すようなカバー取付具３８を用いて横桟部材１１に間接的に取付けられる。 As shown in FIG. 9, the “decorative cover 36” includes a side plate portion 36 a that covers the outer surface 35 c of the eaves bowl 35 with a space from the outside, and a bottom surface portion of the eaves bowl 35 as shown in FIG. 10. A bottom plate portion 36b that covers the surface 35a with a space from the lower side is provided separately. The decorative cover 36 is indirectly attached to the crosspiece member 11 using a cover attachment 38 as shown in FIG.
「カバー取付具３８」は、上記した軒樋取付具３７と組合せて同時に横桟部材１１に取付可能な複数の金具（ケラバ受金具）などとされる。このカバー取付具３８は、軒樋取付具３７の取付面３７ａと共に横桟部材１１の外側面にネジで固定される取付部３８ａと、この取付部３８ａから、下方へ延びる下行部３８ｂと、この下行部３８ｂの下端部から外方へ向かってほぼ水平に延びる底辺部３８ｃと、この底辺部３８ｃの外方端部から上方へ向かって延びる上行部３８ｄと、この上行部３８ｄの中間部から軒樋取付具３７の回動可能係止部３７ｃへ向かって延びると共に回動可能係止部３７ｃに係止支持される中間支持部３８ｅとを有する側面視ほぼＬ字状のものとされている。そして、上行部３８ｄに化粧カバー３６の側板部３６ａがネジで固定され、図１０に示すように、底辺部３８ｃの下側に化粧カバー３６の底板部３６ｂがリベットなどを用いて固定されるように構成している。 The “cover attachment 38” is a plurality of metal fittings (keraba metal fittings) that can be attached to the crosspiece member 11 at the same time in combination with the eaves hook attachment 37 described above. The cover attachment 38 includes an attachment portion 38a fixed to the outer surface of the crosspiece member 11 together with the attachment surface 37a of the eaves fixture 37, a descending portion 38b extending downward from the attachment portion 38a, A bottom side 38c extending substantially horizontally outward from the lower end of the lower part 38b, an upward part 38d extending upward from the outer end of the bottom part 38c, and an eaves from an intermediate part of the upward part 38d The rod attachment 37 has a substantially L-shape in side view having an intermediate support portion 38e that extends toward the pivotable locking portion 37c and is supported by the pivotable locking portion 37c. Then, the side plate portion 36a of the decorative cover 36 is fixed to the ascending portion 38d with screws, and as shown in FIG. 10, the bottom plate portion 36b of the decorative cover 36 is fixed to the lower side of the bottom side portion 38c using rivets or the like. It is configured.
（構成５）
そして、上記した軒先構造を施工する軒先施工方法は、主に、屋根部５の軒側端部の周辺に上下連通部３１を設けて、壁部６の内部空間６ａを屋根用換気口部１２またはその近傍へ連通可能となるようにする。
(Configuration 5)
And the eaves-end construction method which constructs the eaves-end structure mentioned above mainly provides the up-and-down communication part 31 around the eaves side edge part of the roof part 5, and the interior space 6a of the wall part 6 is made into the ventilation vent part 12 for roofs. Alternatively, communication with the vicinity is possible.
また、上下連通部３１に、防水透湿材３３を設置して、上下連通部３１を水滴の通過が不能で且つ湿気の通過が可能なようにする。 In addition, a waterproof and moisture permeable material 33 is installed in the upper and lower communication portion 31 so that water droplets cannot pass through the upper and lower communication portion 31 and moisture can pass therethrough.
より具体的には、以下のように施工する。 More specifically, construction is performed as follows.
先ず、下階の住宅ユニット１と、別の下階の住宅ユニット３とを隣接して配置すると共に、下階の住宅ユニット１の上部に、上階の住宅ユニット２を載置する。 First, the lower-floor residential unit 1 and another lower-floor residential unit 3 are arranged adjacent to each other, and the upper-floor residential unit 2 is placed on the upper part of the lower-floor residential unit 1.
そして、別の下階の住宅ユニット３の上面に、屋根部５（屋根パネル１６、ルーフィング材１７ａ、屋根材１７ｂなど）を取付け、図３に示すように、屋根部５の軒側端部（の垂木受梁１３の縦面部１３ａ）に、横桟部材１１をドリルネジ１１ａで固定する。この際、図６に示すように、横桟部材１１の内側面３５ｂにおける垂木１４の端部と対応する位置には、予め、スペーサ３２をビス固定しておき、横桟部材１１の取付けによって上下連通部３１が形成されるようにする。 And the roof part 5 (the roof panel 16, roofing material 17a, the roofing material 17b etc.) is attached to the upper surface of the housing unit 3 of another lower floor, and as shown in FIG. The crosspiece member 11 is fixed to the vertical surface portion 13a) of the rafter receiving beam 13 with a drill screw 11a. At this time, as shown in FIG. 6, a spacer 32 is screwed in advance at a position corresponding to the end portion of the rafter 14 on the inner side surface 35 b of the horizontal beam member 11, and the vertical beam member 11 is attached to move up and down. The communication part 31 is formed.
そして、図４に示すように、屋根部５の軒側端部の上側部分に、屋根用換気口部１２の上縁部に沿って軒先カバー部材２１を取付けると共に、図５に示すように、屋根用換気口部１２の下縁部に沿って軒先水返２２を取付ける。 Then, as shown in FIG. 4, the eaves end cover member 21 is attached along the upper edge of the roof ventilation opening 12 to the upper part of the eaves side end of the roof 5, and as shown in FIG. 5, The eaves water return 22 is attached along the lower edge of the roof ventilation opening 12.
次に、防水透湿材３３を粘着テープ状に加工して、別の下階の住宅ユニット３の天井梁３ｂの下面と、横桟部材１１の下面との間に貼設する。 Next, the waterproof and moisture permeable material 33 is processed into an adhesive tape shape, and is pasted between the lower surface of the ceiling beam 3b of the housing unit 3 on the lower floor and the lower surface of the crosspiece member 11.
そして、別の下階の住宅ユニット３の天井梁３ｂの下面と、横桟部材１１の下面とに壁部６を取付けて、壁部６の内部空間６ａを、上下連通部３１を介して屋根用換気口部１２へ連通させる。なお、上記した軒先カバー部材２１と軒先水返２２との取付けは、壁部６の取付けよりも後とすることができる。 And the wall part 6 is attached to the lower surface of the ceiling beam 3b of the housing unit 3 of another lower floor, and the lower surface of the crosspiece member 11, and the interior space 6a of the wall part 6 is roofed via the up-and-down communication part 31. Communicating with the ventilation port 12 for use. In addition, attachment of the above-mentioned eaves edge cover member 21 and eaves edge water return 22 can be made after attachment of the wall part 6. FIG.
次に、図７に示すように、横桟部材１１の外側面３５ｃに、軒樋取付具３７とカバー取付具３８とを組合せた状態で取付ける。 Next, as shown in FIG. 7, the eaves hook attachment tool 37 and the cover attachment tool 38 are attached to the outer side surface 35 c of the crosspiece member 11 in a combined state.
最後に、図８に示すように、軒樋取付具３７に軒樋３５を取付け、図９および図１０に示すように、カバー取付具３８に化粧カバー３６を取付ける。 Finally, as shown in FIG. 8, the eaves hook 35 is attached to the eaves hook attachment 37, and the decorative cover 36 is attached to the cover attachment 38 as shown in FIGS. 9 and 10.
＜作用効果＞この実施例によれば、以下のような作用効果を得ることができる。 <Effect> According to this embodiment, the following effects can be obtained.
（作用効果１）
屋根部５の軒側端部の周辺に上下連通部３１を設けることにより、壁部６の内部空間６ａを屋根用換気口部１２またはその近傍へ連通することが可能となる。
(Operation effect 1)
By providing the vertical communication part 31 around the eaves side edge part of the roof part 5, it becomes possible to connect the internal space 6a of the wall part 6 to the ventilation port part 12 for roofs, or its vicinity.
これにより、壁部６の内部空間６ａに溜まった湿気を上下連通部３１を介して屋根用換気口部１２またはその近傍まで導くことが可能となり、屋根用換気口部１２に接続された換気用通路２３を、屋根用換気口部１２と共に使用（共用）することが可能となる。よって、壁部６の内部空間６ａに対する換気口を別途設ける必要を無くして、壁換気構造の簡略化を図ることができるようになり、また、軒先周辺部分をシンプルで意匠性の良い仕上りにすることが可能となる。 This makes it possible to guide the moisture accumulated in the internal space 6a of the wall 6 to the roof ventilation port 12 or the vicinity thereof through the upper and lower communication portions 31, and for ventilation connected to the roof ventilation port 12 The passage 23 can be used (shared) together with the roof ventilation opening 12. Therefore, it is not necessary to separately provide a ventilation port for the internal space 6a of the wall portion 6, the wall ventilation structure can be simplified, and the periphery of the eaves is made simple and has a good design. It becomes possible.
（作用効果２）
上下連通部３１をスペーサ３２によって形成することにより、屋根部５の軒側端部および横桟部材１１の形状や構造を簡略化しつつ上下連通部３１を簡単に形成して、壁内換気性能を飛躍的に向上することができる。
(Operation effect 2)
By forming the vertical communication portion 31 with the spacer 32, the vertical communication portion 31 can be easily formed while simplifying the shape and structure of the eaves side end portion of the roof portion 5 and the crosspiece member 11, thereby improving the ventilation performance in the wall. It can be improved dramatically.
（作用効果３）
上下連通部３１に防水透湿材３３を設置したことにより、壁部６の内部空間６ａから外部への湿気の排出が可能な状態を保持しつつ、外部の雨水が、屋根用換気口部１２から上下連通部３１を通って壁部６の内部空間６ａへ侵入するのを確実に防止することができる。
(Operation effect 3)
By installing the waterproof and moisture permeable material 33 in the upper and lower communication part 31, the rainwater outside can maintain the state in which moisture can be discharged from the internal space 6 a of the wall part 6 to the outside. Can be reliably prevented from entering the internal space 6a of the wall portion 6 through the upper and lower communication portions 31.
（作用効果４）
横桟部材１１に、軒樋３５または化粧カバー３６のうちの少なくとも一方を直接または間接的に取付けることにより、壁内換気機能を有する横桟部材１１を利用して、軒樋３５または化粧カバー３６のうちの少なくとも一方を、短時間で且つ確実に取付けることが可能となる。
(Operation effect 4)
By attaching at least one of the eaves 35 or the decorative cover 36 to the horizontal beam member 11 directly or indirectly, the eaves 35 or the decorative cover 36 is used by using the horizontal beam member 11 having a wall ventilation function. At least one of them can be attached in a short time and reliably.
（作用効果５）
この実施例の軒先施工方法によれば、上記（作用効果１）ないし（作用効果４）と同様の作用効果を得ることができる。
(Operation effect 5)
According to the eaves-end construction method of this embodiment, the same operational effects as the above (Operational effect 1) to (Operational effect 4) can be obtained.
以上、この発明の実施例を図面により詳述してきたが、実施例はこの発明の例示にしか過ぎないものであるため、この発明は実施例の構成にのみ限定されるものではなく、この発明の要旨を逸脱しない範囲の設計の変更等があってもこの発明に含まれることは勿論である。また、例えば、各実施例に複数の構成が含まれている場合には、特に記載がなくとも、これらの構成の可能な組合せが含まれることは勿論である。また、複数の実施例や変形例が示されている場合には、特に記載がなくとも、これらに跨がった構成の組合せのうちの可能なものが含まれることは勿論である。また、図面に描かれている構成については、特に記載がなくとも、含まれることは勿論である。更に、「等」の用語がある場合には、同等のものを含むという意味で用いられている。また、「ほぼ」「約」「程度」などの用語がある場合には、常識的に認められる範囲や精度のものを含むという意味で用いられている。 Although the embodiments of the present invention have been described in detail with reference to the drawings, the embodiments are only examples of the present invention, and the present invention is not limited to the configurations of the embodiments. Needless to say, design changes and the like within a range not departing from the gist of the invention are included in the present invention. Further, for example, when each embodiment includes a plurality of configurations, it is a matter of course that possible combinations of these configurations are included even if not specifically described. Further, when a plurality of embodiments and modifications are shown, it is needless to say that possible combinations of configurations extending over these are included even if not specifically described. Further, the configuration depicted in the drawings is of course included even if not particularly described. Further, when there is a term of “etc.”, it is used in the sense that the equivalent is included. In addition, when there are terms such as “almost”, “about”, “degree”, etc., they are used in the sense that they include those in the range and accuracy recognized by common sense.
５ 屋根部
５ａ 内部空間
６ 壁部
６ａ 内部空間
１１ 横桟部材
１２ 屋根用換気口部
３１ 上下連通部
３２ スペーサ
３３ 防水透湿材
３５ 軒樋
３６ 化粧カバー
DESCRIPTION OF SYMBOLS 5 Roof part 5a Internal space 6 Wall part 6a Internal space 11 Crosspiece member 12 Roof vent part 31 Vertical communication part 32 Spacer 33 Waterproofing moisture permeable material 35 Eaves 36 Cosmetic cover
Claims (6)
前記屋根部の軒側端部における前記横桟部材の上部に、屋根部の内部空間を外部へ開放可能な屋根用換気口部を設けた軒先構造において、
前記屋根部の軒側端部の周辺に、前記壁部の内部空間を、前記屋根用換気口部またはその近傍へ連通可能な上下連通部を設け、
該上下連通部が、前記横桟部材、または、前記屋根部の軒側端部と前記横桟部材の内側面との間の部分に設けられたことを特徴とする軒先構造。 While fixing the inner side surface of the cross beam member to the eaves side end of the roof portion, and placing the upper end of the wall portion in contact with the lower surface of the horizontal beam member,
In the eaves end structure provided with a roof ventilation port part that can open the internal space of the roof part to the outside on the upper part of the cross beam member at the eaves side end part of the roof part,
Around the eaves side end of the roof part, an upper and lower communication part capable of communicating the internal space of the wall part to the roof ventilation port part or the vicinity thereof ,
The eaves tip structure in which the upper and lower communication portions are provided in the horizontal beam member or a portion between the eaves side end portion of the roof portion and the inner side surface of the horizontal beam member .
前記屋根部の軒側端部と前記横桟部材の内側面との間の部分に設けられる前記上下連通部が、スペーサによって形成されたものであることを特徴とする請求項１記載の軒先構造。 The vertical communication part provided in the horizontal beam member is a communication hole extending in the vertical direction;
The eaves tip structure according to claim 1 , wherein the upper and lower communication portions provided at a portion between the eaves side end portion of the roof portion and the inner side surface of the crosspiece member are formed by spacers. .
前記屋根部の軒側端部における前記横桟部材の上部に、屋根部の内部空間を外部へ開放可能な屋根用換気口部を設けた軒先構造において、In the eaves end structure provided with a roof ventilation port part that can open the internal space of the roof part to the outside on the upper part of the cross beam member at the eaves side end part of the roof part,
前記屋根部の軒側端部の周辺に、前記壁部の内部空間を、前記屋根用換気口部またはその近傍へ連通可能な上下連通部を設け、Around the eaves side end of the roof part, an upper and lower communication part capable of communicating the internal space of the wall part to the roof ventilation port part or the vicinity thereof,
前記横桟部材の外側面に、軒樋または該軒樋を覆う化粧カバーのうちの少なくとも一方を直接または間接的に取付けたことを特徴とする軒先構造。An eaves tip structure in which at least one of an eave ridge or a decorative cover covering the eave ridge is directly or indirectly attached to an outer surface of the horizontal beam member.
前記屋根部の軒側端部の周辺に上下連通部を設けて、前記壁部の内部空間を前記屋根用換気口部またはその近傍へ連通可能とすることを特徴とする軒先施工方法。 An eaves tip construction method for constructing the eaves tip structure according to any one of claims 1 to 5 ,
An eaves tip construction method characterized in that an upper and lower communication part is provided around the eaves side end of the roof part, and the internal space of the wall part can be communicated with the roof ventilation port part or its vicinity.
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| JP6406833B2 (en) * | 2014-02-28 | 2018-10-17 | 積水化学工業株式会社 | Eaves drainage structure and building |
| JP6030726B1 (en) * | 2015-09-17 | 2016-11-24 | 積水ハウス株式会社 | Eaves structure |
| JP6248165B2 (en) * | 2016-10-20 | 2017-12-13 | 積水ハウス株式会社 | Eaves structure |
| JP6248164B2 (en) * | 2016-10-20 | 2017-12-13 | 積水ハウス株式会社 | Eaves structure |
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| JPH0247307U (en) * | 1988-09-27 | 1990-03-30 | ||
| JPH11140998A (en) * | 1997-11-10 | 1999-05-25 | Sekisui House Ltd | Wall ventilation structure |
| JP3898317B2 (en) * | 1997-12-22 | 2007-03-28 | 積水化学工業株式会社 | Waterproof breathable sheet in the wall and ventilation structure in the wall |
| JP2002339499A (en) * | 2001-05-15 | 2002-11-27 | Manabu Kamiide | Attic space ventilating structure for house in cold district |
| JP2008150918A (en) * | 2006-12-20 | 2008-07-03 | Sanko Metal Ind Co Ltd | Eaves end part member with ventilation function |
| JP2008303552A (en) * | 2007-06-05 | 2008-12-18 | Sekisui Chem Co Ltd | Ventilating device |
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