JP6000661B2 - Building ventilation system - Google Patents

Building ventilation system Download PDF

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JP6000661B2
JP6000661B2 JP2012127080A JP2012127080A JP6000661B2 JP 6000661 B2 JP6000661 B2 JP 6000661B2 JP 2012127080 A JP2012127080 A JP 2012127080A JP 2012127080 A JP2012127080 A JP 2012127080A JP 6000661 B2 JP6000661 B2 JP 6000661B2
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shielding plate
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剛大 木村
剛大 木村
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日本住環境株式会社
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Description

本発明は、棟換気装置に関するものであり、より詳細には、家屋の棟部分（隅棟及び平棟）における換気を、雨雪の侵入を防止しつつ行うための棟換気装置に関するものである。   The present invention relates to a building ventilation device, and more particularly to a building ventilation device for performing ventilation in a building ridge portion (a corner ridge and a flat ridge) of a house while preventing rain and snow from entering. .

上記棟換気装置としては、山形を呈する上面板の幅方向両端部裏面に、それぞれ一端面から他端面へと抜ける多数の通気路を縦横に連設した通気部材を設置することを基本構成とするものが知られており、そのような構成を有する多種多様の装置が製品化されている（下記特許文献参照）。   The ridge ventilation device basically has a ventilation structure in which a large number of ventilation paths extending from one end surface to the other end surface are connected vertically and horizontally on the back surfaces of both ends in the width direction of the top plate having a mountain shape. Various devices having such a configuration have been commercialized (see the following patent document).

ところで、従来の棟換気装置は、主に平棟への使用を想定したものであって、隅棟への使用を想定したものではない。防水の面からは、平棟に使用する場合よりも隅棟へ使用する場合の方が問題が多いことは言うまでもない。即ち、平棟に使用する場合は、主に、通気方向となる短辺方向からの風雨を考慮するだけで足りるが、隅棟に使用する場合は、設置時に長尺方向に傾斜状態となるため、短尺方向からの風雨のみならず、長尺方向からの風雨、つまり、隅棟に沿って下側から風によってせり上げられてくる雨水、あるいは、上側から吹き付けられてくる雨水に対しても対処する必要がある。   By the way, the conventional building ventilator is mainly intended for use in a flat building, and is not intended for use in a corner building. Needless to say, in terms of waterproofing, there are more problems when used in corner buildings than when used in flat buildings. In other words, when used in a flat building, it is only necessary to consider wind and rain from the short side direction, which is the ventilation direction, but when used in a corner building, it is inclined in the long direction when installed. , Not only wind and rain from the short direction, but also rain from the long direction, that is, rainwater that is lifted by the wind from the bottom along the corner building, or rainwater that is blown from the top There is a need to.

しかるに、上記のとおり、従来の棟換気装置は平棟への使用を前提としており、長尺方向からの風雨に対処し得る構成とはなっていないため、隅棟に使用するのには適さない。   However, as described above, the conventional building ventilation system is premised on use in a flat building, and is not suitable for use in corner buildings because it is not configured to handle wind and rain from the long direction. .

特許第２６１０３４２号公報Japanese Patent No. 2610342 特開２０００−２２０２６６号公報JP 2000-220266 A 特許第３２７７２３２号公報Japanese Patent No. 3277232 特開２００３−５６１４５号公報JP 2003-56145 A 特開２００３−３６３１号公報Japanese Patent Laid-Open No. 2003-3631

上述したように、上記従来の棟換気装置は、平棟への使用を前提としていて、通気方向である短辺方向からの風雨に対しては対処可能であるが、長尺方向からの風雨に対処し得る構成とはなっていないために、隅棟に使用するには適さない。そこで本発明は、通気方向である短尺方向からの風雨のみならず、長尺方向からの風雨に対しても十分に対処することができ、平棟の場合はもちろん、隅棟についても利用可能な棟換気装置を提供することを課題とする。   As described above, the conventional building ventilation device is premised on use in a flat building and can cope with wind and rain from the short side direction, which is the ventilation direction, but it can handle wind and rain from the long direction. It is not suitable for use in corner ridges because it is not configured to deal with. Therefore, the present invention can sufficiently deal with not only wind and rain from the short direction, which is the ventilation direction, but also wind and rain from the long direction, and it can be used for corner buildings as well as flat buildings. It is an object to provide a building ventilation device.

上記課題を解決するための請求項１に記載の発明は、山形に形成されるカバー材と、前記カバー材内に配備される一対の通気部材とから成り、前記通気部材は、幅方向に通気する多数の通気路を有するものであって、前記通気部材の上面に当該上面よりも幅方向に長い天板が定着され、前記天板の前記通気部材の上面よりはみ出した部分は、前記通気部材の開口端面との間に下方が広い通気間隙が保持されるように折曲されて遮蔽板が形成され、前記カバー材の両傾斜面の中間部に、前記カバー材の長さ方向に延びる、横幅が前記遮蔽板の横幅よりも短い通気開口が形成され、前記一対の通気部材はそれぞれ、前記遮蔽板が前記通気開口の下側に位置し、且つ、前記遮蔽板が前記通気開口の上側から露見するように、前記遮蔽板を介して前記カバー材の裏面に固定されることを特徴とする棟換気装置である。 The invention according to claim 1 for solving the above-mentioned problem comprises a cover material formed in a mountain shape and a pair of ventilation members arranged in the cover material, and the ventilation member is ventilated in the width direction. A top plate that is longer in the width direction than the top surface is fixed to the top surface of the ventilation member, and the portion of the top plate that protrudes from the top surface of the ventilation member is the ventilation member A shielding plate is formed by being bent so that a wide ventilation gap is maintained between the opening end surface of the cover member and extending in the length direction of the cover member at an intermediate portion between both inclined surfaces of the cover member. A ventilation opening having a lateral width shorter than the lateral width of the shielding plate is formed, and each of the pair of ventilation members has the shielding plate located below the ventilation opening, and the shielding plate from above the ventilation opening. as Roken, the through the shield plate A ridge ventilator, characterized in that fixed to the rear surface of the bar member.

一実施形態においては、棟部の屋根材を切り取って開設される換気孔に沿って屋根材を押え止める桟木が打着され、前記カバー材は、その幅方向両端が断面クランク状に折曲され、設置時において端部平坦面が野地板固定面となり、また、そのクランク部の角部内に前記桟木が収まるようにされ、また、前記カバー材の通気開口は、長さ方向に断続的に設けられ、更に、前記カバー材裏面の前記通気部材設置部間に結露防止材が定着される。   In one embodiment, a timber that holds down the roofing material is struck along a ventilation hole that is opened by cutting out the roofing material of the ridge, and both ends of the cover material are bent in a cross-sectional crank shape. At the time of installation, the end flat surface becomes the base plate fixing surface, the pier is stored in the corner of the crank portion, and the ventilation opening of the cover material is provided intermittently in the length direction. Further, a dew condensation preventing material is fixed between the ventilation member installation portions on the back surface of the cover material.

本発明は上記構成であるため、簡易な構成であって、通常の雨、あるいは、隅棟に沿って下側から風によってせり上げられてくる雨水、もしくは、上側から吹き付けられてくる雨水が通気開口から入り込んできたとしても、遮蔽板に当たって、通気部材の開口面から離れる方向に導かれて屋根材上に滴下するため、通気部材の開口面に触れることはなく、通気部材を経て小屋裏内に滴下するおそれはない。従って、本発明に係る棟換気装置は、平棟の場合はもちろん、隅棟についても利用可能なる効果がある。   Since the present invention has the above-described configuration, it is a simple configuration, and normal rain, rainwater that is lifted by wind from the lower side along the corner ridge, or rainwater that is blown from the upper side is ventilated. Even if it enters from the opening, it hits the shielding plate and is directed to the direction away from the opening surface of the ventilation member and dropped on the roofing material, so that it does not touch the opening surface of the ventilation member, and passes through the ventilation member and enters the back of the hut There is no risk of dripping. Therefore, the building ventilator according to the present invention has an effect that it can be used not only in the case of a flat building but also in a corner building.

本発明に係る棟換気装置の一実施形態の構成を示す分解正面図である。It is a disassembled front view which shows the structure of one Embodiment of the building ventilation apparatus which concerns on this invention. 本発明に係る棟換気装置の一実施形態の納まり状態を示す断面図である。It is sectional drawing which shows the accommodation state of one Embodiment of the building ventilation apparatus which concerns on this invention. 本発明に係る棟換気装置の一実施形態の施工状態を示す斜視図である。It is a perspective view which shows the construction state of one Embodiment of the building ventilation apparatus which concerns on this invention.

本発明を実施するための形態につき、添付図面に依拠して説明する。図１は本発明に係る棟換気装置１の一実施形態の構成を示す分解正面図であり、図２は、それの納まり状態を示す断面図である。そこに示されるように本装置１は、山形に形成される、通例、金属製のカバー材２と、カバー材２内に配備される一対の通気部材４、５とから成る。カバー材２の山形形状の角度は、本装置が設置される棟部の野地板３１、３１（屋根材３２、３２）のなす角度に対応するように、予め、あるいは、現場において設定される。   A mode for carrying out the present invention will be described with reference to the accompanying drawings. FIG. 1 is an exploded front view showing a configuration of an embodiment of a building ventilation device 1 according to the present invention, and FIG. 2 is a cross-sectional view showing a stored state thereof. As shown therein, the present apparatus 1 is generally composed of a metal cover material 2 and a pair of ventilation members 4 and 5 arranged in the cover material 2. The angle of the mountain shape of the cover material 2 is set in advance or at the site so as to correspond to the angle formed by the base plates 31 and 31 (roof materials 32 and 32) of the ridge where the present apparatus is installed.

通気部材４、５は、幅方向（図において左右方向）に通気する多数の通気路を有するもので、通例、幅方向に抜ける通気路を並設したプラスチック板を多数段積層し、熱線で溶断して所定幅にすると共に一体化する公知の方法により製造することができる（特許第２６１０３４２号公報等参照）。通気部材４、５の短尺側側面形状は、正方形、長方形、平行四辺形等とすることもできるが、好ましくは、図１、２に示されるような逆台形状とされる。   Ventilation members 4 and 5 have a large number of air passages that vent in the width direction (left and right in the figure), and are usually laminated in multiple stages with plastic plates with air passages extending in the width direction, and blown with heat rays. Thus, it can be manufactured by a known method of making it a predetermined width and integrating (see Japanese Patent No. 2610342). The short side surface shape of the ventilation members 4 and 5 can be a square, a rectangle, a parallelogram, or the like, but preferably has an inverted trapezoidal shape as shown in FIGS.

通気部材４、５の上面には、その上面より一方向に延出する幅方向に長い天板が定着され、その天板の通気部材４、５の上面より延出する部分が通気部材４、５の外端面に沿って折曲されて、遮蔽板７、８が形成される。遮蔽板７、８は通気部材４、５外端面に密着させることなく、通気部材４、５外端面との間に、下方が広い通気間隙６が保持されるようにして折曲される（図１、２参照）。   A top plate extending in the width direction extending in one direction from the top surface is fixed to the top surface of the ventilation members 4 and 5, and a portion extending from the top surface of the ventilation members 4 and 5 of the top plate is the ventilation member 4, 5 are bent along the outer end surface of the plate 5 to form the shielding plates 7 and 8. The shielding plates 7 and 8 are bent so that a wide ventilation gap 6 is held between the ventilation members 4 and 5 and the outer end surfaces without being in close contact with the outer end surfaces of the ventilation members 4 and 5 (FIG. 1 and 2).

カバー材２は、その幅方向両端が断面クランク状に折曲され、その角部１１内に後述する桟木２１が収まり、端部平坦面が野地板固定面１２となる。また、カバー材２の両傾斜面の中間部に、長さ方向に延びる通気開口１３が形成される。通気開口１３は一連のものであってもよいが、通例、図３に示されるように、長尺の開口を適宜間隔置きに開設したものとされる。通気開口１３の横幅は、遮蔽板７、８の横幅よりも小となるように設定される。   The cover material 2 has both ends in the width direction bent in a cross-sectional crank shape, and a pier 21 described later is accommodated in the corner portion 11, and the flat end portion serves as the base plate fixing surface 12. In addition, a ventilation opening 13 extending in the length direction is formed in an intermediate portion between both inclined surfaces of the cover material 2. Although the ventilation openings 13 may be a series, typically, as shown in FIG. 3, long openings are provided at appropriate intervals. The lateral width of the ventilation opening 13 is set to be smaller than the lateral width of the shielding plates 7 and 8.

通気部材４、５は、通例、両面テープを介してカバー材２の裏面に固定されるが、その固定位置は、その上面の天板の折曲個所、換言すれば、遮蔽板７、８の始端が通気開口１３の上方側縁部に当たる位置とされる。従って、遮蔽板７、８は、通気開口１３から視認可能な位置関係となる（図１、２参照）。好ましい実施形態においては、カバー材２裏面の中央部、即ち、通気部材４、５設置部の内側に、長さ方向に延びる結露防止材１０が定着される。結露防止材１０としては、通例、厚さ１〜２ｍｍ程度の発泡ポリエチレンシート材が用いられる。   The ventilation members 4 and 5 are usually fixed to the back surface of the cover member 2 via a double-sided tape, and the fixing position thereof is the bent portion of the top plate on the top surface, in other words, the shielding plates 7 and 8. The starting end is a position where it hits the upper edge of the vent opening 13. Therefore, the shielding plates 7 and 8 are in a positional relationship that is visible from the ventilation opening 13 (see FIGS. 1 and 2). In a preferred embodiment, the anti-condensation material 10 extending in the length direction is fixed at the center of the back surface of the cover material 2, that is, inside the ventilation members 4 and 5. As the dew condensation preventing material 10, a foamed polyethylene sheet material having a thickness of about 1 to 2 mm is usually used.

次に、本発明に係る棟換気装置の施工方法について説明する。その施工に際しては先ず、棟部の屋根材３２を切り取って換気孔３０を開設し、換気孔３０を囲むようにして水切り２２を配設する。水切り２２は立ち上り部と着座部とを有し、立ち上り部は通気部材４、５の内側に、通気部材４、５から間隔を置いて立ち上るように配設され、着座部は野地板３１上に固定される（図２参照）。そして、水切り２２の着座部を野地板３１との間に挟持するように屋根材３２を施工する。   Next, the construction method of the building ventilation apparatus which concerns on this invention is demonstrated. In the construction, first, the roof material 32 of the ridge is cut to open the ventilation hole 30, and the drainer 22 is disposed so as to surround the ventilation hole 30. The drainer 22 has a rising portion and a seating portion, and the rising portion is disposed inside the ventilation members 4 and 5 so as to rise at a distance from the ventilation members 4 and 5, and the seating portion is on the base plate 31. It is fixed (see FIG. 2). And the roofing material 32 is constructed so that the seating part of the drainer 22 is clamped between the base plate 31.

また、隅棟の場合は水下側棟包３４を取り付け、その後、換気孔３０の縁辺（通気部材４、５配置部の外側）に沿ってプラスチック製の桟木２１を、パッキン材２３を挟んで屋根材３２から野地板３１へとビス留めする。なお、隅棟の場合は、屋根材３２の端部に端材（例えば、図３において符号３２ａが付された三角形部分）が生じやすいが、この部分は桟木２１を打着することによって確固と押え止めることができる。   Further, in the case of a corner building, a waterside building 34 is attached, and then a plastic pier 21 is sandwiched with a packing material 23 along the edge of the ventilation hole 30 (outside of the ventilation member 4 and 5 arrangement portion). Screw the roof material 32 to the base plate 31. In the case of the corner ridge, an end material (for example, a triangular portion denoted by reference numeral 32a in FIG. 3) is likely to be generated at the end of the roof material 32, but this portion is firmly formed by hitting the pier 21. You can hold it down.

次いで、裏面に通気部材４、５と結露防止材１０とを固定したカバー材２を、換気孔３０を塞ぐように被装する。その際、カバー材２の両側の角部１１内に桟木２１が収まるようにし、また、カバー材２の水下側端部が、水下側棟包３４上に所定量（例えば７５ｍｍ）オーバーラップするようにする。そして、最後に水上側棟包３３が、その端部がカバー材２の水上側端部上に所定量（例えば７５ｍｍ）、オーバーラップするように取り付けて施工完了となる。   Next, the cover material 2 having the ventilation members 4 and 5 and the dew condensation prevention material 10 fixed on the back surface is mounted so as to close the ventilation hole 30. At that time, the crosspiece 21 is accommodated in the corners 11 on both sides of the cover material 2, and the water-side end of the cover material 2 overlaps the water-side building 34 by a predetermined amount (for example, 75 mm). To do. Finally, the water-side building 33 is attached so that its end portion overlaps the water-side end portion of the cover material 2 by a predetermined amount (for example, 75 mm), and the construction is completed.

このようにして隅棟に施工された本発明に係る棟換気装置においては、通常の雨、あるいは、隅棟に沿って下側から風によってせり上げられてくる雨水、もしくは、上側から吹き付けられてくる雨水が通気開口１３から入り込んでくることがあるが、入り込んできた雨水は、その下に傾斜状態に存在する遮蔽板７、８に当たり、通気部材４、５の開口面から離れる方向に導かれて屋根材３２上に滴下する。遮蔽板７、８の横幅は、通気開口１３の横幅よりも大となるように設定されているため、通気開口１３から入り込んで遮蔽板７、８に沿って滴下した水が、通気部材４、５の開口面に触れるおそれはない。   In the building ventilation device according to the present invention constructed in this way in the corner building, it is normal rain, rain water that is raised by the wind from the bottom along the corner building, or sprayed from the upper side Incoming rainwater may enter through the vent opening 13, but the incoming rainwater hits the shielding plates 7 and 8 existing in an inclined state below and is guided in a direction away from the opening surfaces of the ventilation members 4 and 5. Then drop it onto the roofing material 32. Since the horizontal width of the shielding plates 7 and 8 is set to be larger than the horizontal width of the ventilation opening 13, the water that has entered from the ventilation opening 13 and dropped along the shielding plates 7 and 8 is allowed to flow through the ventilation member 4, There is no fear of touching the opening surface of 5.

通気方向である短辺方向からの風雨についても同様に作用するが、仮に強風に伴って、通気開口１３から入り込んで遮蔽板７、８の下の間隙を抜けた雨水が通気部材４、５を通り抜けることがあっても、その雨水は、水切り２２によって確実にそれ以上の進行を阻止される。また、風のある場合、風上側の通気開口１３付近と風下側の通気開口１３付近は共に負圧となって煙突状態となるため、小屋裏内の空気は、風上側と風下側の双方の通気開口１３から排気されることになる。   The wind and rain from the short side direction, which is the ventilation direction, works in the same manner. However, rainwater that enters through the ventilation opening 13 and passes through the gaps under the shielding plates 7 and 8 due to the strong wind passes through the ventilation members 4 and 5. Even if it passes through, the rainwater is reliably prevented from further traveling by the drainer 22. Further, when there is wind, both the vicinity of the ventilation opening 13 on the windward side and the vicinity of the ventilation opening 13 on the leeward side have a negative pressure and become a chimney state. The air is exhausted from the vent opening 13.

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広範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。   Although the invention has been described in some detail with its most preferred embodiments, it is evident that a wide variety of embodiments can be constructed without departing from the spirit and scope of the invention. Accordingly, the invention is not limited to that particular embodiment, except as limited in the appended claims.

１ 棟換気装置
２ カバー材
４ 通気部材
５ 通気部材
６ 通気間隙
７ 遮蔽板
８ 遮蔽板
１０ 結露防止材
１１ 角部
１２ 野地板固定面
１３ 通気開口
２１ 桟木
２２ 水切り
２３ パッキン材
３０ 換気孔
３１ 野地板
３２ 屋根材
３３ 水上側棟包
３４ 水下側棟包 DESCRIPTION OF SYMBOLS 1 Building ventilation apparatus 2 Cover material 4 Ventilation member 5 Ventilation member 6 Ventilation gap 7 Shielding plate 8 Shielding plate 10 Condensation prevention material 11 Corner | angular part 12 Field plate fixed surface 13 Venting opening 21 Pier 22 Water draining 23 Packing material 30 Ventilation hole 31 Field plate 32 Roofing material 33 Waterside building 34 Waterside building

Claims (4)

山形に形成されるカバー材と、前記カバー材内に配備される一対の通気部材とから成り、前記通気部材は、幅方向に通気する多数の通気路を有するものであって、前記通気部材の上面に当該上面よりも幅方向に長い天板が定着され、前記天板の前記通気部材の上面よりはみ出した部分は、前記通気部材の開口端面との間に下方が広い通気間隙が保持されるように折曲されて遮蔽板が形成され、前記カバー材の両傾斜面の中間部に、前記カバー材の長さ方向に延びる、横幅が前記遮蔽板の横幅よりも短い通気開口が形成され、前記一対の通気部材はそれぞれ、前記遮蔽板が前記通気開口の下側に位置し、且つ、前記遮蔽板が前記通気開口の上側から露見するように、前記遮蔽板を介して前記カバー材の裏面に固定されることを特徴とする棟換気装置。 It is composed of a cover material formed in a mountain shape and a pair of ventilation members arranged in the cover material, and the ventilation member has a large number of ventilation passages for ventilation in the width direction . A top plate that is longer in the width direction than the top surface is fixed on the top surface, and a portion of the top plate that protrudes from the top surface of the ventilation member holds a wide ventilation gap between the opening end surface of the ventilation member and the lower portion. And a shielding plate is formed, and a vent opening extending in the length direction of the cover material, whose lateral width is shorter than the lateral width of the shielding plate, is formed in the middle part of both inclined surfaces of the cover material, Each of the pair of ventilation members has a back surface of the cover member through the shielding plate so that the shielding plate is located below the ventilation opening and the shielding plate is exposed from the upper side of the ventilation opening. Building ventilation characterized by being fixed to Location. 棟部の屋根材を切り取って開設される換気孔に沿って屋根材を押え止める桟木が打着され、前記カバー材は、その幅方向両端が断面クランク状に折曲され、設置時において端部平坦面が野地板固定面となり、また、そのクランク部の角部内に前記桟木が収まるようにされる、請求項１に記載の棟換気装置。   A timber to hold down the roofing material is struck along the ventilation hole that is opened by cutting out the roofing material of the ridge, and both ends of the cover material are bent in a cross-sectional crank shape. The building ventilation apparatus according to claim 1, wherein the flat surface serves as a field plate fixing surface, and the pier is accommodated in a corner portion of the crank portion. 前記カバー材の通気開口は、長さ方向に断続的に設けられる、請求項１又は２に記載の棟換気装置。   The ridge ventilation device according to claim 1, wherein the ventilation opening of the cover material is provided intermittently in the length direction. 前記カバー材裏面の前記通気部材設置部間に結露防止材が定着される、請求項１乃至３のいずれかに記載の棟換気装置。   The building ventilation apparatus according to any one of claims 1 to 3, wherein a dew condensation prevention material is fixed between the ventilation member installation portions on the back surface of the cover material.
JP2012127080A 2012-06-04 2012-06-04 Building ventilation system Active JP6000661B2 (en)

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Publication number Priority date Publication date Assignee Title
JPH04360947A (en) * 1991-06-10 1992-12-14 Sekisui Chem Co Ltd Structure of ridge ventilating opening
JP4571449B2 (en) * 2004-06-23 2010-10-27 株式会社ハウゼサンエイ Ventilation building
JP2007327234A (en) * 2006-06-07 2007-12-20 Nippon Jukankyo Kk Ridge ventilator

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