JP6247466B2 - Ventilator and ventilation structure - Google Patents

Ventilator and ventilation structure Download PDF

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JP6247466B2
JP6247466B2 JP2013143834A JP2013143834A JP6247466B2 JP 6247466 B2 JP6247466 B2 JP 6247466B2 JP 2013143834 A JP2013143834 A JP 2013143834A JP 2013143834 A JP2013143834 A JP 2013143834A JP 6247466 B2 JP6247466 B2 JP 6247466B2
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ventilation
vent hole
building
water return
ventilator
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JP2015017380A (en
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哲 柴山
哲 柴山
沙帆 鈴木
沙帆 鈴木
悟志 松原
悟志 松原
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Daiwa House Industry Co Ltd
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この発明は、外気を建物内に取り込む換気装置および換気構造に関する。   The present invention relates to a ventilation device and a ventilation structure for taking outside air into a building.

一般に、フラット屋根を有する住宅においては、換気のために外壁面に貫通孔を形成して換気口フードを設けることが行われている。   Generally, in a house having a flat roof, a ventilation hole hood is provided by forming a through hole in the outer wall surface for ventilation.

また、特許文献１には、建物本体の軒先に取付けられ、軒樋を後付け可能な軒先ユニットに関し、鼻隠し部材と、軒先ユニットを建物躯体に固定するための複数の軒先ユニット取付部材と、軒樋を支持可能な複数の樋受け部材と、鼻隠し部材の建物屋外側の面の対面を上方側から被覆する水切材とを少なくとも備え、鼻隠し部材の屋外側の面には、少なくとも一つの通気孔が形成されるとともに、通気孔の屋外側を被覆するように形成されたリブ片を備え、鼻隠し部材の建物本体屋外側の面とリブ片との間には換気開口部を形成し、水切材の側面被覆部及び上面被覆部は、通気孔を上方側から被覆する位置に配設した換気構造が開示されている。   In addition, Patent Document 1 relates to an eaves unit that can be attached to the eaves of a building body and can be attached to an eaves ridge. A plurality of scissors receiving members capable of supporting the scissors; and at least one drainage material that covers the face of the nasal concealment member on the outdoor side of the building from above. A vent hole is formed, and a rib piece is formed so as to cover the outdoor side of the vent hole, and a ventilation opening is formed between the surface of the nose cover member on the outdoor side of the building body and the rib piece. In addition, a ventilation structure is disclosed in which the side surface covering portion and the upper surface covering portion of the draining material are disposed at positions where the air holes are covered from above.

特開２０１３−３２６５２号公報JP 2013-32652 A

しかしながら、上記換気口フードを設ける構造では現場での作業負担が大きく、また、上記換気口フードの配置間隔次第で意匠性が損なわれるおそれがある。また、特許文献１に記載の構造では、通気孔から入った雨水に対する水返しが十分でない。   However, in the structure in which the vent hood is provided, the work load at the site is large, and the design may be impaired depending on the arrangement interval of the vent hood. Moreover, in the structure of patent document 1, the water return with respect to the rainwater which entered from the vent hole is not enough.

この発明は、上記の事情に鑑み、通気孔から入った雨水に対する水返しが適切に行え、また、換気口フードを設けることなく換気構造を構築することが容易である換気装置および換気構造を提供することを課題とする。   In view of the above circumstances, the present invention provides a ventilator and a ventilating structure that can appropriately return water to rainwater that has entered from a vent hole and that can easily construct a ventilating structure without providing a vent hood. The task is to do.

この発明の換気装置は、上記の課題を解決するために、板部に通気孔が形成されており、上記通気孔の上方となる上記板部の部位は水切りが装着される第１装着部とされ、上記通気孔の下方となる上記板部の部位は樋が装着される第２装着部とされ、上記板部の裏面には上記通気孔から浸入した雨水を返す換気水返しが設けられていることを特徴とする。   In order to solve the above problems, the ventilator of the present invention has a vent hole formed in the plate portion, and the portion of the plate portion above the vent hole is provided with a first mounting portion to which a drainer is mounted. The portion of the plate portion below the vent hole is a second mounting portion to which a bag is attached, and a ventilation water return is provided on the back surface of the plate portion to return rainwater entering from the vent hole. It is characterized by being.

上記の構成であれば、上記板部の裏面には上記通気孔から浸入した雨水を返す換気水返しが設けられているので、通気孔から入った雨水に対する水返しが適切に行える。   If it is said structure, since the ventilation water return which returns the rainwater which permeated from the said air vent is provided in the back surface of the said board part, the water return with respect to the rainwater which entered from the air vent can be performed appropriately.

上記換気水返しの背面側に防火ダンパーが設けられていてもよい。これによれば、万が一の火災時に建物内への熱の流入を遮断することができる。   A fire damper may be provided on the back side of the ventilation water return. According to this, in the event of a fire, the inflow of heat into the building can be blocked.

また、この発明の換気構造は、上記換気装置が上端部に取り付けられている外壁パネルが建物に装着されてなることを特徴とする。   Further, the ventilation structure of the present invention is characterized in that an outer wall panel to which the ventilation device is attached to an upper end is attached to a building.

上記の構成であれば、換気口フードを設けることなく換気構造を容易に構築することができる。   If it is said structure, a ventilation structure can be constructed | assembled easily, without providing a ventilation port hood.

上記第１装着部が締結部材によって上記建物に留め付けられていてもよい。また、上記建物はフラット屋根を有する住宅であってもよい。   The first mounting part may be fastened to the building by a fastening member. The building may be a house having a flat roof.

本発明であれば、通気孔から入った雨水に対する水返しが適切に行える。また、換気口フードを設けることなく換気構造を構築することが容易であるという効果を奏する。   If it is this invention, the water return with respect to the rainwater which entered from the vent hole can be performed appropriately. Moreover, there exists an effect that it is easy to construct | assemble a ventilation structure, without providing a ventilation port hood.

本発明の実施形態にかかる換気装置が設けられた建物のフラット屋根部の断面図である。It is sectional drawing of the flat roof part of the building in which the ventilation apparatus concerning embodiment of this invention was provided. 図１の換気装置の拡大図である。It is an enlarged view of the ventilation apparatus of FIG. 図１の換気装置の水返しを示した図であって、同図（Ａ）は平面図、同図（Ｂ）は縦断面図、同図（Ｃ）は正面図、同図（Ｄ）は斜視図である。It is the figure which showed the water return of the ventilation apparatus of FIG. 1, Comprising: The figure (A) is a top view, The figure (B) is a longitudinal cross-sectional view, The figure (C) is a front view, The figure (D) is the figure. It is a perspective view. 図１の換気装置の防火ダンパーを示した図であって、同図（Ｂ）、同図（Ｄ）、同図（Ｆ）は異なる向きから見た図であり、それぞれの縦断面図が同図（Ａ）、同図（Ｃ）、同図（Ｅ）によって示されている。It is the figure which showed the fire damper of the ventilation apparatus of FIG. 1, Comprising: The figure (B), the figure (D), and the figure (F) are the figures seen from different directions, and each longitudinal cross-sectional view is the same It is shown by the figure (A), the figure (C), and the figure (E).

以下、この発明の実施の形態を添付図面に基づいて説明する。
図１に示すように、この実施形態の換気構造１００は、例えば、フラット屋根を有する住宅の樋配置部に設けられる。上記フラット屋根は例えばコンクリート床版により葺かれているが、これに限らない。また、上記換気構造１００は住宅の全周に配置してもよいが、この実施形態では、例えば、５Ｐ（例えば、Ｐ＝９１０ｍｍ）毎に配置している。 Embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in FIG. 1, the ventilation structure 100 of this embodiment is provided, for example, in a cage arrangement part of a house having a flat roof. For example, the flat roof is covered with a concrete floor slab, but is not limited thereto. Moreover, although the said ventilation structure 100 may be arrange | positioned at the perimeter of a house, in this embodiment, it arrange | positions every 5P (for example, P = 910 mm), for example.

上記換気構造１００を構成している外壁パネル１は、フレーム１１の前面側に下地板１２および外壁板１３が設けられ、上記フレーム１１内に断熱材１４が配置された構造を有する。この外壁パネル１は例えば、上記フレーム１１が連結板１５を介して桁部１６に固定される。   The outer wall panel 1 constituting the ventilation structure 100 has a structure in which a base plate 12 and an outer wall plate 13 are provided on the front side of the frame 11, and a heat insulating material 14 is disposed in the frame 11. In the outer wall panel 1, for example, the frame 11 is fixed to the beam portion 16 via a connecting plate 15.

上記外壁パネル１の上端部にこの実施形態の換気装置２がビス６１によって取り付けられている。さらに述べれば、上記外壁パネル１の上端部に換気スリットとなる部分が存在しており、この換気スリットとなる部分に上記換気装置２がセットされた状態の上記外壁パネル１が住宅の外部開口に嵌め込まれることで上記換気構造１００が構築される。   The ventilator 2 of this embodiment is attached to the upper end of the outer wall panel 1 with screws 61. Further, there is a portion that becomes a ventilation slit at the upper end portion of the outer wall panel 1, and the outer wall panel 1 with the ventilation device 2 set in the portion that becomes the ventilation slit is an external opening of the house. The ventilation structure 100 is constructed by fitting.

上記換気装置２は、屋外側に露呈される板部（換気見切り）２１を備える。上記板部２１には、図２にも示すように、通気孔２１ａが形成されており、上記通気孔２１ａの上方となる上記板部２１の部位は水切り３が装着される第１装着部２２とされる。また、上記通気孔２１ａの下方となる上記板部２１の部位は樋４のブラケット４１が装着される第２装着部２３とされる。そして、上記板部２１の裏面には上記通気孔２１ａから浸入した雨水を返す換気水返し２４が設けられている。上記換気水返し２４の両端は側板２５に固定されており、上記両側板２５間の部分が上記換気スリットとなる部分に嵌め込まれている。なお、上記側板２５を設けない構造も採用できる。さらに、この実施形態では、上記換気装置２は、上記換気水返し２４の背面側に防火ダンパー５を備えている。   The ventilation device 2 includes a plate portion (ventilation parting) 21 exposed to the outdoor side. As shown in FIG. 2, the plate portion 21 is formed with a vent hole 21 a, and a portion of the plate portion 21 above the vent hole 21 a is attached to the first mounting portion 22 to which the drainer 3 is mounted. It is said. Further, the portion of the plate portion 21 below the vent hole 21a is a second attachment portion 23 to which the bracket 41 of the flange 4 is attached. A ventilation water return 24 is provided on the back surface of the plate portion 21 to return rainwater that has entered through the vent hole 21a. Both ends of the ventilation water return 24 are fixed to a side plate 25, and a portion between the both side plates 25 is fitted into a portion serving as the ventilation slit. A structure without the side plate 25 can also be adopted. Further, in this embodiment, the ventilation device 2 includes a fire damper 5 on the back side of the ventilation water return 24.

上記板部２１は、図３にも示すように、上記通気孔２１ａを横方向に多数有しており、この通気孔２１ａの形成領域の幅が７７０ｍｍ程度とされ、全横幅が８５０ｍｍ程度とされている。また、上記換気水返し２４の背面側には上記防火ダンパー５との間で空気路を形成する受け板部２４ａが設けられている。   As shown in FIG. 3, the plate portion 21 has a large number of the air holes 21 a in the lateral direction. The width of the formation region of the air holes 21 a is about 770 mm, and the total width is about 850 mm. ing. A receiving plate portion 24 a that forms an air passage with the fire damper 5 is provided on the back side of the ventilation water return 24.

上記防火ダンパー５は、図４にも示すように、通気孔５１を有しており、この通気孔５１を上記受け板部２４ａによる空気路に面するように設けられる。また、上記通気孔５１を塞ぐことが可能な位置に蓋部５２が回動可能に且つばねに付勢されて設けられている。上記蓋部５２は温度ヒューズ５３によって通常は上記通気孔５１の閉鎖が阻止されているが、火災時の熱によって上記温度ヒューズ５３が動作すると、上記付勢力が解放され上記蓋部５２が回動して上記通気孔５１が塞がれる。   As shown in FIG. 4, the fire damper 5 has a vent hole 51, and the vent hole 51 is provided so as to face an air path formed by the receiving plate portion 24 a. Further, a lid portion 52 is provided at a position where the vent hole 51 can be closed and is urged by a spring. The lid 52 is normally blocked by the thermal fuse 53 from closing the vent hole 51. However, when the thermal fuse 53 is activated by heat during a fire, the urging force is released and the lid 52 rotates. Thus, the vent hole 51 is closed.

また、図１に示したが、上記外壁パネル１を上記住宅に固定するときに、上記板部２１の第１装着部２２がビス（締結部材）６２によって留め付けられる。そして、上記ビス６２を覆い隠すように上記第１装着部２２に上記水切り３が装着される。上記水切り３は上記通気孔２１ａの前面側で下り傾斜状に設けられ、当該水切り３を伝った雨水は樋４へと導かれる。また、上記水切り３の上部水平板部はフラット屋根側に位置し、ビス６３によって留め付けられている。上記水切り３の裏面側には防水シートが設けられ、上記水切り３の隙間から建物内へ雨水が浸入するのを防止するようにしている。また、上記換気装置２および上記防火ダンパー５は、上記受け板部２４ａの奥側垂下片に上記防火ダンパー５の奥側垂下片を重ねた状態で上記フレーム１１にビス６４によって留め付けられている。さらに、上記ブラケット４１は、上記第２装着部２３の前面側においてビス６５によって留め付けられている。   As shown in FIG. 1, when the outer wall panel 1 is fixed to the house, the first mounting portion 22 of the plate portion 21 is fastened by screws (fastening members) 62. Then, the drainer 3 is mounted on the first mounting portion 22 so as to cover the screw 62. The drainer 3 is provided in a downwardly inclined manner on the front side of the vent hole 21 a, and the rainwater that has passed through the drainer 3 is guided to the dredge 4. The upper horizontal plate portion of the drainer 3 is located on the flat roof side and is fastened with screws 63. A waterproof sheet is provided on the back surface side of the drainer 3 to prevent rainwater from entering the building through the gap of the drainer 3. The ventilation device 2 and the fireproof damper 5 are fastened to the frame 11 with screws 64 in a state where the backside hanging piece of the fireproof damper 5 is superimposed on the backside hanging piece of the receiving plate portion 24a. . Further, the bracket 41 is fastened with screws 65 on the front side of the second mounting portion 23.

上記の構成であれば、上記板部２１の裏面には上記通気孔２１ａから浸入した雨水を返す換気水返し２４が設けられているので、通気孔２１ａから入った雨水に対する水返しが適切に行える。そして、上記換気装置２が上端部に取り付けられている外壁パネル１が上記住宅に装着されたことで、換気口フードを設けることなく換気構造を容易に構築することができる。また、この実施形態では、上記外壁パネル１の工場出荷段階において上記外壁パネル１に上記換気装置２および上記防火ダンパー５が取り付けられており、施工現場においては上記外壁パネル１を上記住宅に嵌め込むだけで、当該住宅において上記換気構造１００が構築されることになる。また、上記換気水返し２４の背面側に防火ダンパー５が設けられていると、万が一の火災時に建物内への熱の流入を遮断することができる。   If it is said structure, since the ventilation water return 24 which returns the rainwater which permeated from the said vent 21a is provided in the back surface of the said board part 21, the water return with respect to the rainwater which entered from the vent 21a can be performed appropriately. . And the ventilation structure can be easily constructed | assembled, without providing a vent hole hood by the outer wall panel 1 with which the said ventilator 2 was attached to the upper end part being mounted | worn with the said house. Moreover, in this embodiment, the said ventilator 2 and the said fire damper 5 are attached to the said outer wall panel 1 in the factory shipment stage of the said outer wall panel 1, and the said outer wall panel 1 is inserted in the said house in a construction site. Only the ventilation structure 100 is constructed in the house. Moreover, if the fireproof damper 5 is provided on the back side of the ventilation water return 24, it is possible to block the inflow of heat into the building in the event of a fire.

以上、図面を参照してこの発明の実施形態を説明したが、この発明は、図示した実施形態のものに限定されない。図示した実施形態に対して、この発明と同一の範囲内において、あるいは均等の範囲内において、種々の修正や変形を加えることが可能である。   As mentioned above, although embodiment of this invention was described with reference to drawings, this invention is not limited to the thing of embodiment shown in figure. Various modifications and variations can be made to the illustrated embodiment within the same range or equivalent range as the present invention.

１ 外壁パネル
２ 換気装置
２１ 板部
２１ａ 通気孔
２２ 第１装着部
２３ 第２装着部
２４ 換気水返し
３ 水切り
４ 樋
４１ ブラケット
５ 防火ダンパー
１００ 換気構造 DESCRIPTION OF SYMBOLS 1 Outer wall panel 2 Ventilator 21 Plate part 21a Vent hole 22 1st mounting part 23 2nd mounting part 24 Ventilation water return 3 Drainer 4 樋 41 Bracket 5 Fire damper 100 Ventilation structure

Claims (4)

板部に通気孔が形成されており、上記通気孔の上方となる上記板部の部位は水切りが装着される第１装着部とされ、上記通気孔の下方となる上記板部の部位は樋が装着される第２装着部とされ、上記板部の裏面には上記通気孔から浸入した雨水を返す換気水返しが設けられており、上記換気水返しの背面側に防火ダンパーが設けられていることを特徴とする換気装置。 A ventilation hole is formed in the plate part, the part of the plate part above the ventilation hole is a first attachment part to which a drainer is attached, and the part of the plate part below the ventilation hole is A ventilation water return is provided on the back surface of the plate part to return rainwater that has entered through the vents, and a fire damper is provided on the back side of the ventilation water return. ventilator, characterized in that there. 請求項１に記載の換気装置が上端部に固定された外壁パネルが建物に装着されてなる換気構造。   A ventilation structure in which an outer wall panel having the ventilation device according to claim 1 fixed to an upper end portion is attached to a building. 請求項２に記載の換気構造において、上記第１装着部が締結部材によって上記建物に留め付けられることを特徴とする換気構造。   The ventilation structure according to claim 2, wherein the first mounting portion is fastened to the building by a fastening member. 請求項２または請求項３に記載の換気構造において、上記建物はフラット屋根を有する住宅であることを特徴とする換気構造。   The ventilation structure according to claim 2 or 3, wherein the building is a house having a flat roof.
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JP6773394B2 (en) * 2015-03-30 2020-10-21 大和ハウス工業株式会社 How to build a flat roof ventilation structure and a flat roof ventilation structure

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