JP5785815B2 - Eaves ventilation - Google Patents

Eaves ventilation Download PDF

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JP5785815B2
JP5785815B2 JP2011180061A JP2011180061A JP5785815B2 JP 5785815 B2 JP5785815 B2 JP 5785815B2 JP 2011180061 A JP2011180061 A JP 2011180061A JP 2011180061 A JP2011180061 A JP 2011180061A JP 5785815 B2 JP5785815 B2 JP 5785815B2
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ventilation
back plate
plate
eaves
wall
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JP2013044086A (en
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近藤　肇
肇 近藤
慶人 神
慶人 神
創 石井
創 石井
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日本住環境株式会社
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Description

本発明は、軒天換気材に関するものであり、より詳細には、軒先の外壁材と鼻隠し材との間の間隙に収装されて、その部分の換気を司る軒天換気材であって、その設置を簡単確実に行い得る軒天換気材に関するものである。   The present invention relates to an eaves ventilation material, and more particularly, an eaves ventilation material that is housed in a gap between an eaves outer wall material and a nasal cover material and controls ventilation of the portion. It relates to an eaves ventilation material that can be installed easily and reliably.

近年、建築される建物は、壁を通して浸透してくる室内からの湿った空気を室外に流出させるために、外壁と内壁の間に通気層を設け、また、軒下に有孔板を配した構造となっている。この通気層並びに軒下有孔板から建物内に流入する空気は、屋根裏を通って外部に流出する。そのため、屋根裏には、種々の形状を有する換気口あるいは換気装置が設置される。   In recent years, buildings to be constructed have a structure in which a ventilation layer is provided between the outer wall and the inner wall, and a perforated plate is placed under the eaves in order to let out moist air from the room that permeates through the wall. It has become. The air flowing into the building from the ventilation layer and the perforated plate under the eaves flows out through the attic. Therefore, ventilation openings or ventilation devices having various shapes are installed in the attic.

例えば、特許第２６８３１０９号は、この用途に用いられる通気材を開示するもので、それは、幅方向（設置時における上下方向）に貫通する通気孔を全長に亘って連設したプラスチックプレートを複数枚積層し、その積層したプラスチックプレートをヒートカッターにて切断し、該切断面の隣接するプラスチックプレート同士を熱融着することにより、全体を一体化して成るものである。軒裏においては、この通気材が、外壁と鼻隠し板との間に設けられる間隙内に、その通気孔を上下方向に向けて設置される。そして、その通気孔が適度の長さを有するために、雨雪の侵入を阻止しつつ屋内外の通気を行うことが可能となるのである。   For example, Japanese Patent No. 2683109 discloses a ventilation material used for this application, which includes a plurality of plastic plates in which ventilation holes penetrating in the width direction (vertical direction at the time of installation) are continuously provided over the entire length. By laminating, cutting the laminated plastic plates with a heat cutter, and heat-sealing the plastic plates adjacent to the cut surface, the whole is integrated. In the back of the eaves, the ventilation member is installed in a gap provided between the outer wall and the nose cover plate with the ventilation hole directed vertically. And since the vent hole has an appropriate length, it is possible to ventilate indoors and outdoors while preventing rain and snow from entering.

しかるに、この通気材は樹脂製であるため、火災発生時には、火炎や熱気がこの通気材を溶融させ、あるいは、通り抜けて屋内に侵入し、また逆に、屋内側の火炎や熱気が外部に出ることによって延焼を引き起こすおそれがある。そこで、本出願人は先に、そのような問題のない換気装置として、上記通気材と不燃性熱膨張材を備えた防火部材を設け、通気材の方を室内側（奥側）に配置し、これに隣接させて防火部材を室外側に配置する防火換気装置を提案している（特開２００３−８２７８３号公報）。   However, since this ventilation material is made of resin, in the event of a fire, flames and hot air will melt this ventilation material or pass through and enter the interior, and conversely, indoor flames and hot air will go outside. May cause fire spread. Therefore, the present applicant previously provided a fireproof member provided with the above-mentioned ventilation material and non-combustible thermal expansion material as a ventilation device without such a problem, and arranged the ventilation material on the indoor side (back side). In addition, a fire prevention ventilator is proposed in which a fire prevention member is disposed on the outdoor side adjacent to this (Japanese Patent Laid-Open No. 2003-82783).

しかし、その提案にかかる防火換気装置の場合は、外壁と鼻隠し板との間の間隙内取り付け作業に際し、該装置を定位置に配置固定する作業を簡易且つ迅速に実施させるための手段が特に講じられていないため、その作業を簡易且つ迅速に実施することができなかった。   However, in the case of the fireproof ventilator according to the proposal, means for easily and quickly performing the work of arranging and fixing the device at a fixed position in the interspace installation work between the outer wall and the nasal cover is particularly Since it was not taken, the work could not be carried out simply and quickly.

また、外壁と鼻隠し板との間の間隙の室内側に配置される通気材と室外側に配置される防火換気部材とが別部材であるため、それぞれ個別に用意し、また、個別に設置する必要があり、当然のことながら施工に手間がかかるという問題もあった。   In addition, since the ventilation material arranged on the indoor side of the gap between the outer wall and the nose cover plate and the fireproof ventilation member arranged on the outdoor side are separate members, each is prepared separately and installed individually Needless to say, there was also a problem that it took time and effort for the construction.

特許第２６８３１０９号公報Japanese Patent No. 2683109 特開２００３−８２７８３号公報JP 2003-82883 A

上述したように、従来提案されている防火換気部材の場合は、それを外壁と鼻隠し板との間の間隙内に設置する作業を容易化するために格別の手段が講じられていないために、その取り付け作業に手間がかかるという問題があり、また、上記間隙の室内側に配置される通気材と室外側に配置される防火換気部材とが別部材であって、それぞれ個別に用意し、また、個別に設置しなければならない煩わしさがあり、施工に手間がかかるという問題があった。   As described above, in the case of the conventionally proposed fire ventilating member, no special measures are taken to facilitate the work of installing it in the gap between the outer wall and the nose cover plate. In addition, there is a problem that the installation work takes time, and the ventilation material arranged on the indoor side of the gap and the fireproof ventilation member arranged on the outdoor side are separate members, each prepared separately, In addition, there is a problem that it is troublesome to install individually, and it takes time and effort.

本発明は、このような上記従来の換気装置における問題を解決するためになされたもので、軒天換気材を、外壁と鼻隠し板間の間隙内へ設置するに際し、その設置作業を容易且つ迅速に行うことを可能にし、また、通気材を合わせ用いる場合において、通気材と防火換気部材とを別途用意し、それぞれ個別に設置しなければならない煩わしさのない軒天換気材を提供することを課題とする。   The present invention was made to solve the above-described problems in the conventional ventilator, and when installing the eaves ventilator in the gap between the outer wall and the nose cover plate, the installation work is easy and Providing an eaves ventilator that does not bother you that you need to install it separately and provide a ventilator and a fire-proof ventilation member separately when using it together. Is an issue.

上記課題を解決するための請求項１に記載の発明は、横長の背板と、前記背板の内側面に定着される帯状熱膨張材と、適宜通気孔が設けられていて、前記背板の内側面下部から斜め上方に延びる通気面と、前記通気面の端部を垂直方向に折曲延長して形成される対向壁と、前記背板の外側面下部に水平方向に延びるように形成される固定板とから成り、前記背板と別体の１枚の金属板を、前記背板の下部を挟持し得るようにして折り返し、一方の側の中途を直角に折曲して前記固定板を形成すると共に、他方の側の中途を斜め上方に折曲して前記通気面を形成し、更に、前記通気面の端部を垂直方向に折曲延長して前記対向壁を形成して成る軒天換気材である。 The invention according to claim 1 for solving the above-mentioned problem is provided with a horizontally long back plate, a belt-like thermal expansion material fixed to the inner surface of the back plate, and a vent hole as appropriate. A vent surface extending obliquely upward from a lower portion of the inner side surface, an opposing wall formed by bending and extending an end portion of the vent surface in a vertical direction, and a lower portion of the outer surface of the back plate so as to extend in the horizontal direction. The metal plate, which is separate from the back plate, is folded so that the lower part of the back plate can be sandwiched, and one side of the metal plate is folded at a right angle to fix the metal plate. Forming the plate, bending the middle of the other side obliquely upward to form the vent surface, and further bending and extending the end of the vent surface in the vertical direction to form the opposing wall is a Nokiten ventilation member made.

一実施形態においては、前記背板の内側面上部と前記対向壁との間に、上下方向に抜ける通気路を多数有する通気材が配設される。また、一実施形態においては、前記１枚の金属板に、予め所定位置に前記通気孔が設けられる。 In one embodiment, a ventilation material having a large number of ventilation paths extending in the vertical direction is disposed between the upper part of the inner side surface of the back plate and the opposing wall. Further, in one embodiment, prior SL single metal plate, wherein the vent hole is provided in advance a predetermined position.

また、一実施形態においては、前記対向壁の外側面に、施工時に前記対向壁の外側面と外壁との間に挟まれて圧潰状態となってその部分の気密・水密を保持するクッション材が定着される。   Moreover, in one embodiment, a cushioning material that is sandwiched between the outer surface and the outer wall of the opposing wall at the time of construction and is in a crushed state to maintain the airtightness / watertightness of the portion is provided on the outer surface of the opposing wall. It is fixed.

本発明は上述したとおりであって、横長の背板の外側面下部に水平方向に延びる固定板が備え付けられているので、この固定板を鼻隠し下地材の下面にあてがってそこに固定することにより、本装置を外壁と鼻隠し板との間の間隙内の定位置に配置できるので、施工を極めて容易、迅速且つ正確に行い得る効果がある。   The present invention is as described above, and since the fixing plate extending in the horizontal direction is provided at the lower part of the outer side surface of the horizontally long back plate, the fixing plate is applied to the lower surface of the nose cover base material and fixed thereto. By this, since this apparatus can be arrange | positioned in the fixed position in the gap | interval between an outer wall and a nose cover board, there exists an effect which can perform construction very easily, rapidly, and correctly.

また、背板の内側面上部と対向壁との間に上下方向に抜ける通気路を多数有する通気材を配設することができ、その場合は、通気材部分と防火材部分とが一体化されることになるため、取り扱いやすく、施工も容易となる効果がある。   In addition, it is possible to arrange a ventilation material having a large number of ventilation passages extending vertically between the upper part of the inner side surface of the back plate and the opposing wall. In this case, the ventilation material part and the fire prevention material part are integrated. Therefore, there is an effect that it is easy to handle and easy to install.

本発明に係る軒天換気材の構成を示す斜視図である。It is a perspective view which shows the structure of the eaves ventilation material which concerns on this invention. 本発明に係る軒天換気材の使用状態を示す図である。It is a figure which shows the use condition of the eaves-ventilation material which concerns on this invention.

本発明を実施するための形態につき、添付図面を参照しつつ説明する。本発明に係る軒天換気材Ａは、その使用状態を示す図２に示されるように、柱２及び軒桁３から成る構造材１の外側に通気胴縁７を介して張設される外壁材８と、鼻隠しを構成する鼻隠し下地材１０との間の間隙９内に収装されて、その部分の換気を司るものである。   DESCRIPTION OF EMBODIMENTS Embodiments for carrying out the present invention will be described with reference to the accompanying drawings. As shown in FIG. 2 which shows the use state, the eaves-top ventilation material A according to the present invention is an outer wall stretched on the outside of the structural material 1 composed of the pillar 2 and the eaves girder 3 via the ventilator edge 7. It is housed in a gap 9 between the material 8 and the nasal covering base material 10 constituting the nasal concealment, and manages the ventilation of that portion.

軒天換気材Ａは、図１に示されるように、横長の金属製背板１２と、背板１２の内側面に定着される帯状の熱膨張材１４と、適宜通気孔１８が設けられていて、背板１２の内側面下部から斜め上方に延びる通気面１５と、通気面１５の端部を垂直方向に折曲延長して形成される対向壁１６と、背板１２の外側面下部に水平方向に延びるように形成される固定板２０とを含んで構成される。   As shown in FIG. 1, the eaves ventilation member A is provided with a horizontally long metal back plate 12, a belt-like thermal expansion material 14 fixed on the inner surface of the back plate 12, and an air vent 18 as appropriate. A vent surface 15 extending obliquely upward from the lower inner side surface of the back plate 12, an opposing wall 16 formed by bending and extending an end of the vent surface 15 in the vertical direction, and a lower outer surface surface of the back plate 12. And a fixed plate 20 formed so as to extend in the horizontal direction.

通例、対向壁１６の外側面に、施工時に対向壁１６と外壁８との間に挟まれて圧潰状態となってその部分の気密・水密を保持する、クッション材１７が貼着される。   In general, a cushioning material 17 is attached to the outer surface of the facing wall 16 so as to be sandwiched between the facing wall 16 and the outer wall 8 at the time of construction so as to be in a crushed state and maintain the airtightness / watertightness of the portion.

通気面１５には適宜サイズの通気孔１８が、通例、定間隔置きに多数形成される。この通気孔１８は、単なる開口であってもよいが、図示した例のように、縦に平行切線を入れ、その平行切線間を押し込んで形成したものであってもよい（上辺部分及び下辺部分がつながっている）。その場合の通気孔１８は、横方向に抜けるものとなり、単なる開口の場合に比較して通気性は若干劣るが、雨雪侵入防止性能の面では、優位なものとなる。   A number of suitably sized vent holes 18 are typically formed in the vent surface 15 at regular intervals. The vent hole 18 may be a simple opening, but as shown in the example shown, it may be formed by putting parallel cutting lines vertically and pushing between the parallel cutting lines (upper side portion and lower side portion). Are connected). In this case, the air holes 18 are removed in the lateral direction, and the air permeability is slightly inferior to that of a simple opening, but is superior in terms of rain / snow intrusion prevention performance.

また、背板１２の外側面の下部に、水平に延びる固定板２０が配設される。固定板２０は、背板１２の全長に亘るように形成してもよいし、部分的に設けることとしてもよい。通例、固定板２０には、釘を打ち込むための釘穴２１が形成される。このように固定板２０を設けた場合は、軒天換気材Ａを外壁材８と鼻隠し下地材１０との間隙９に設置する際、固定板２０を鼻隠し下地材１０の下面にあてがい、釘穴２１を通して釘打ちしたり、接着したりすることにより、軒天換気材Ａを簡単確実に定位置に固定することができるようになる。   In addition, a fixed plate 20 that extends horizontally is disposed below the outer surface of the back plate 12. The fixing plate 20 may be formed so as to extend over the entire length of the back plate 12 or may be provided partially. Usually, the fixing plate 20 is formed with a nail hole 21 for driving a nail. In the case where the fixing plate 20 is provided in this way, when the eave sky ventilation material A is installed in the gap 9 between the outer wall material 8 and the nose masking base material 10, the fixing plate 20 is applied to the lower surface of the nose masking base material 10, By nailing or adhering through the nail hole 21, the eaves ventilator A can be easily and securely fixed in place.

図示した実施形態は通気材を含むものであって、従来分離されていた通気材部分と防火材部分とを一体化したものである。この場合は、背板１２の内側面上部と対向壁１６とに挟まれるように、上下方向に抜ける通気路を多数有する横長の通気材１３が配設される。   The illustrated embodiment includes a ventilation material, and integrates a ventilation material portion and a fire prevention material portion that have been conventionally separated. In this case, a horizontally long ventilation member 13 having a large number of ventilation passages extending vertically is disposed so as to be sandwiched between the upper part of the inner side surface of the back plate 12 and the opposing wall 16.

好ましい実施形態においては、固定板２０と通気面１５とが、１枚の金属板から形成される。即ち、背板１２とは別体の、予め所定位置に通気孔１８（釘穴２１を設ける場合は釘穴２１も）を形成した１枚の金属板を用意し、これを背板１２の下部を挟持し得るようにして折り返し、その一方の側の中途部分を直角に折曲して固定板２０となし、他方の側の中途部分を斜め上方又は水平に折曲して通気面１５となし、更に、通気面１５の端部を垂直方向に折曲延長して対向壁１６となすのである。そして、その折り返し部２２に、予め通気材１３と熱膨張材１４とを定着した背板１１の下部を差し込んで締め付けることにより、その折曲した金属板と背板１１とを一体化する。   In a preferred embodiment, the fixing plate 20 and the ventilation surface 15 are formed from a single metal plate. That is, a single metal plate that is formed separately from the back plate 12 and has a vent hole 18 (or a nail hole 21 if a nail hole 21 is provided) at a predetermined position is prepared. The middle part of one side is bent at a right angle to form the fixing plate 20, and the middle part of the other side is folded obliquely upward or horizontally to form the ventilation surface 15. Furthermore, the end portion of the ventilation surface 15 is bent and extended in the vertical direction to form the opposing wall 16. Then, the bent metal plate and the back plate 11 are integrated by inserting and tightening the lower portion of the back plate 11 to which the ventilation material 13 and the thermal expansion material 14 are fixed in advance to the folded portion 22.

このように、本発明に係る軒天換気材Ａにおいては、通気材１３と防火材部分である熱膨張材１４とを一体化することができるために取り扱いやすいものとなり、また、外壁８と鼻隠し下地材１０との間の間隙Ａに挿入し、固定板２０を鼻隠し下地材１０の下面にあてがってそこに固定することにより、確実に定位置に設置することができるので、施工も極めて容易となる。   Thus, in the eaves ventilator A according to the present invention, the ventilation member 13 and the thermal expansion material 14 which is the fireproof material part can be integrated, and therefore, the outer wall 8 and the nose can be easily handled. By inserting it into the gap A between the hidden base material 10 and placing the fixing plate 20 on the lower surface of the nose hidden base material 10 and fixing it there, it can be installed in a certain position, so the construction is also extremely It becomes easy.

また、小屋裏と大気間の空気の流れは、通気孔１８から通気材１３通してスムーズであり、強風雨時においても通気孔１８及び通気材１３の作用で雨雪の侵入が確実に阻止される。更に火災発生時には、加熱された熱膨張材１４が膨張して間隙９部分を完全に閉塞するので、火炎や熱気による通気材１３の溶融が防止されると共に、火炎や熱気が屋内に入り込み、また逆に、屋内側の火炎や熱気が外部に出ることによって延焼を引き起こすことが防止される。   Further, the air flow between the back of the hut and the atmosphere is smooth through the ventilation hole 13 through the ventilation hole 13, and intrusion of rain and snow is reliably prevented by the action of the ventilation hole 18 and the ventilation material 13 even in heavy wind and rain. The Further, when a fire breaks out, the heated thermal expansion material 14 expands and completely closes the gap 9 portion, so that the ventilation material 13 is prevented from melting by the flame and hot air, and the flame and hot air enter the room. On the contrary, it is prevented that the fire spreads by the indoor flame or hot air coming out.

この発明をある程度詳細にその最も好ましい実施形態について説明してきたが、この発明の精神と範囲に反することなしに更に異なる実施形態を構成することができることは明白である。従って、この発明は添付請求の範囲において限定した以外は、その特定の実施形態に制約されるものではないことは言うまでもない。   Although the present invention has been described in some detail with respect to its most preferred embodiments, it is apparent that further embodiments can be constructed without departing from the spirit and scope of the invention. Accordingly, it is to be understood that the invention is not limited to specific embodiments thereof except as limited in the appended claims.

Ａ 軒天換気材
１ 構造材
２ 柱
３ 軒桁
４ 屋根材
５ 垂木
６ 野地板
７ 通気胴縁
８ 外壁材
９ 間隙
１０ 鼻隠し下地材
１１ 化粧材
１２ 背板
１３ 通気材
１４ 熱膨張材
１５ 通気面
１６ 対向壁
１７ クッション材
１８ 通気孔
２０ 固定板
２１ 釘穴
２２ 折り返し部 A eaves ventilation material 1 structural material 2 pillar 3 eaves girder 4 roofing material 5 rafter 6 field plate 7 ventilation trunk edge 8 outer wall material 9 gap 10 nasal cover material 11 cosmetic material 12 back plate 13 ventilation material 14 thermal expansion material 15 ventilation Surface 16 Opposing wall 17 Cushion material 18 Vent hole 20 Fixing plate 21 Nail hole 22 Folded part

Claims (4)

横長の背板と、前記背板の内側面に定着される帯状熱膨張材と、適宜通気孔が設けられていて、前記背板の内側面下部から斜め上方に延びる通気面と、前記通気面の端部を垂直方向に折曲延長して形成される対向壁と、前記背板の外側面下部に水平方向に延びるように形成される固定板とから成り、
前記背板と別体の１枚の金属板を、前記背板の下部を挟持し得るようにして折り返し、一方の側の中途を直角に折曲して前記固定板を形成すると共に、他方の側の中途を斜め上方に折曲して前記通気面を形成し、更に、前記通気面の端部を垂直方向に折曲延長して前記対向壁を形成して成る軒天換気材。 A horizontally long back plate, a belt-like thermal expansion material fixed to the inner side surface of the back plate, a vent surface provided with an appropriate ventilation hole and extending obliquely upward from a lower inner side surface of the back plate, and the vent surface An opposite wall formed by bending and bending the end of the back plate in the vertical direction, and a fixed plate formed to extend in the horizontal direction at the lower portion of the outer surface of the back plate,
One metal plate separate from the back plate is folded so that the lower part of the back plate can be sandwiched, and the fixing plate is formed by bending the middle of one side at a right angle, An eaves ventilator formed by bending the middle of the side obliquely upward to form the ventilation surface, and further bending and extending an end of the ventilation surface in the vertical direction to form the opposing wall . 前記背板の内側面上部と前記対向壁との間に、上下方向に抜ける通気路を多数有する通気材を配設した、請求項１に記載の軒天換気材。   2. The eaves ventilator according to claim 1, wherein a ventilation material having a number of ventilation paths extending vertically is disposed between an upper part of an inner side surface of the back plate and the opposing wall. 前記１枚の金属板には、予め所定位置に前記通気孔が設けられる、請求項１又は２に記載の軒天換気材。 The eaves ventilator according to claim 1 or 2 , wherein the one metal plate is previously provided with the ventilation holes at predetermined positions. 前記対向壁の外側面に、施工時に前記対向壁の外側面と外壁との間に挟まれて圧潰状態となってその部分の気密・水密を保持するクッション材が定着される、請求項１乃至３のいずれかに記載の軒天換気材。 Wherein the outer surface of the opposing wall, the cushion material to hold the airtightness-watertight of the part is fixed by a is in collapsed state sandwiched between the outer surface and the outer wall of said opposing walls during construction, to claim 1 The eaves ventilation material in any one of 3 .
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