JP2009114718A - Fascia board decorative plate - Google Patents

Fascia board decorative plate Download PDF

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JP2009114718A
JP2009114718A JP2007288134A JP2007288134A JP2009114718A JP 2009114718 A JP2009114718 A JP 2009114718A JP 2007288134 A JP2007288134 A JP 2007288134A JP 2007288134 A JP2007288134 A JP 2007288134A JP 2009114718 A JP2009114718 A JP 2009114718A
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ventilation
cover
shielding plate
nose cover
eaves
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Eiji Furukawa
英治 古川
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Mitsubishi Plastics Inc
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Mitsubishi Plastics Inc
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Priority to JP2007288134A priority Critical patent/JP2009114718A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a fascia board decorative plate capable of ventilating an attic, preventing fire and hot air from intruding into the attic by cutting off a ventilation passage in a fire, and attractively treating an eaves. <P>SOLUTION: This fascia board decorative plate comprises a front surface covering part 11 which covers the front surface 41 of a fascia board 4 and a bottom surface covering part 13 which covers the bottom surface 42 of the fascia board 4 and forms a hollow ventilation chamber 3 on the lower side thereof. The inside of the ventilation chamber 3 is longitudinally divided into two parts by a shielding plate 2 extending downward from the rear side of the front surface covering part 11. The ventilation passage is formed under the shielding plate 2. A plurality of vent holes 31 are formed in the front wall surface 131 of the ventilation chamber 3 opposed to the front surface of the shielding plate 2. A heat-foaming material 20 is installed on the rear side of the shielding plate 2. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、屋根裏を換気できるとともに、火災時には通気経路を遮断して火炎や熱風などが屋根裏に侵入するのを防止できる鼻隠し化粧板に関する。   The present invention relates to a nose cover plate capable of ventilating an attic and blocking a ventilation path in a fire to prevent intrusion of flames, hot air, and the like into the attic.

通常、鼻隠しは軒先に張り出した垂木の端部を隠すために取り付けられるが、この鼻隠しによって屋根裏への空気の流通が遮断されることがある。
そこで、軒天井に通気孔を設けたり、通気孔が設けられた鼻隠し化粧板で鼻隠しの底面を覆ったりすることが行われているが、火災が発生したときに火炎や熱風が通気孔から屋根裏に侵入して二次火災を起こすことがあった（例えば、特許文献１参照）。 Normally, a nose cover is attached to hide the edge of the rafters protruding from the eaves, but this nose cover may block air flow to the attic.
Therefore, it is practiced to provide ventilation holes on the eaves ceiling or to cover the bottom of the nose cover with a nose cover decorative board provided with ventilation holes. May enter the attic and cause a secondary fire (see, for example, Patent Document 1).

火災時に火炎や熱風が屋根裏に侵入するのを防止するため、例えば図４に示すように、鼻隠し９１の後面側と軒天井９２との間に上・下部材からなる換気部材９３を取り付け、上部材に形成した換気口９３ａと下部材に形成した通気孔９３ｂとが連通する通気経路に加熱発泡材９４を設置し、火災時に通気孔９３ｂから侵入した火炎や熱風で加熱発泡材９４を膨張させて通気経路を遮断するようにした構成のものが知られている（特許文献２参照）。   In order to prevent flames and hot air from entering the attic in the event of a fire, for example, as shown in FIG. 4, a ventilation member 93 composed of upper and lower members is attached between the rear side of the nose cover 91 and the eaves ceiling 92, A heating foam material 94 is installed in a ventilation path where a ventilation port 93a formed in the upper member communicates with a ventilation hole 93b formed in the lower member, and the heating foam material 94 is expanded by a flame or hot air that has entered from the ventilation hole 93b in the event of a fire. The thing of the structure which was made to interrupt | block an aeration path | route is known (refer patent document 2).

しかしながら、この図４に示した構成のものは、通気経路の下面に加熱発泡材９４が設置されているため、通気孔９３ｂから侵入した雨水によって加熱発泡材９４が水浸しとなったり、劣化して火災時に発泡しないという問題が発生することがある。また、この換気部材９３を軒先に取り付けたとき、鼻隠し９１は換気部材９３の前面側から露出して見えるため、軒先を下から見上げたとき頗る見栄えが悪いという問題がある。   However, in the configuration shown in FIG. 4, since the heating foam material 94 is installed on the lower surface of the ventilation path, the heating foam material 94 may be submerged or deteriorated by rainwater entering from the ventilation holes 93b. The problem of not foaming during a fire may occur. Further, when the ventilation member 93 is attached to the eaves tip, the nose cover 91 appears to be exposed from the front side of the ventilation member 93, so that there is a problem that it looks bad when the eaves tip is looked up from below.

この問題を解決するため、本出願人は、換気室の軒天側の裏壁面に通気孔を穿設するとともに、換気室の底壁面から遮蔽板を立ち上げ、通気孔と対向する遮蔽板の上部に加熱発泡材を装着したものを提案した。しかしながら、この構成では雨水を伴った空気が通気孔から換気室内に浸入したとき、直接加熱発泡材に雨水があたることによって水浸しになることがあり、火災時に加熱発泡材が機能しないという新たな問題が提起されるに至った（特許文献３参照）。
特開平７−２５９２８２号公報 特開平９−２０３１３４号公報 特開２００７−２０４９７０号公報 In order to solve this problem, the present applicant drilled a vent on the back wall on the eaves side of the ventilation chamber, raised a shielding plate from the bottom wall of the ventilation chamber, and installed a shielding plate facing the ventilation hole. We proposed the one with heating foam on top. However, in this configuration, when air with rainwater enters the ventilation chamber from the vent hole, the heated foam material may be submerged by direct contact with the rainwater, and the heated foam material does not function in the event of a fire. (See Patent Document 3).
JP 7-259282 A JP-A-9-203134 JP 2007-204970 A

本発明は従来技術の有するこのような問題点に鑑み、屋根裏への換気が十分に行えるようにするとともに、雨水が通気孔から通気経路に浸入し難い構造とし、たとえ通気通路に雨水が浸入しても加熱発泡材が水浸しになったり、劣化する虞がなく、火災時には膨張した加熱発泡材で通気経路が完全に遮断され、しかも軒先を下から見上げたときに見栄えのよい構成とすることを課題とする。   In view of such problems of the prior art, the present invention makes it possible to sufficiently ventilate the attic and makes it difficult for rainwater to enter the ventilation path from the ventilation hole, even if rainwater enters the ventilation path. However, there is no risk that the heated foam material will become soaked or deteriorated, and in the event of a fire, the ventilation path will be completely blocked by the expanded heated foam material, and the structure will look good when looking up from the eaves. Let it be an issue.

前記課題を解決するため本発明は、鼻隠しの前面を覆う前面被覆部と、鼻隠しの底面を覆うとともにその下方に中空状の換気室を形成する底面被覆部を有する鼻隠し化粧板であって、前面被覆部の裏側から垂下した遮蔽板で換気室内を前後に二分し、遮蔽板の下方に通気経路を形成し、かつ遮蔽板の前面と対向する換気室の前壁面に複数の通気孔を穿設するとともに、遮蔽板の裏面側に加熱発泡材を装着したことを特徴とする。   In order to solve the above problems, the present invention is a nose cover decorative plate having a front cover portion covering the front surface of the nose cover and a bottom cover portion covering the bottom surface of the nose cover and forming a hollow ventilation chamber below the front cover portion. The ventilation chamber is divided into two parts in the front and rear by a shielding plate hanging from the back side of the front covering portion, a ventilation path is formed below the shielding plate, and a plurality of ventilation holes are formed on the front wall of the ventilation chamber facing the front surface of the shielding plate. And a heating foam material is mounted on the back side of the shielding plate.

本発明の鼻隠し化粧板は、鼻隠しの前面を覆う前面被覆部と、鼻隠しの底面を覆うとともにその下方に中空状の換気室を形成する底面被覆部からなり、換気室は前面被覆部の裏側から垂下する遮蔽板で前後に二分し、遮蔽板の下方に空気の通気経路が形成される。そして、換気室の前壁面には、空気の流入口となる複数の通気孔が穿設されているため、該通気孔から流入した空気は遮蔽板で遮られてから遮蔽板の下方を潜り抜け、遮蔽板の裏側に回り込んで上昇してから屋根裏に流入することにより換気が行われる。   The nasal cover of the present invention comprises a front covering part that covers the front of the nasal concealment, and a bottom covering part that covers the bottom of the nasal concealment and forms a hollow ventilation chamber below the front covering part. An air ventilation path is formed below the shielding plate by dividing the front and rear by a shielding plate that hangs down from the back side. Since the front wall surface of the ventilation chamber is provided with a plurality of air holes serving as air inlets, the air flowing in from the air holes is blocked by the shielding plate and then passes under the shielding plate. Ventilation is performed by going up to the back side of the shielding plate and rising and then flowing into the attic.

このような構成とすることで、雨水が換気室へ浸入し難くなり、加熱発泡材は換気室を二分する遮蔽板の裏側に装着されているため、雨水を伴った空気が換気室に流入しても当該加熱発泡材が水浸しになることはない。また、火災時に火炎や熱風が通気経路に侵入したときには、加熱発泡材が膨張して遮蔽板の裏側の通気経路が完全に遮断されることにより、屋根裏への火炎や熱風の侵入が防止される。なお、加熱発泡材は遮蔽板の裏面に直接装着することができるが、遮蔽板と対向する換気室の裏面側に装着しても同様の効果が期待できる。   This configuration makes it difficult for rainwater to enter the ventilation chamber, and the heating foam is attached to the back of the shielding plate that bisects the ventilation chamber, so air with rainwater flows into the ventilation chamber. However, the heated foam material is not soaked in water. In addition, when a flame or hot air enters the ventilation path in the event of a fire, the heated foam material expands and the ventilation path on the back side of the shielding plate is completely blocked, thereby preventing the entry of flame or hot air into the attic. . In addition, although a heating foam material can be directly mounted | worn on the back surface of a shielding board, the same effect can be anticipated even if it mounts | wears with the back surface side of the ventilation chamber facing a shielding board.

本発明の鼻隠し化粧板は、空気の流入口となる通気孔が換気室の前壁面に設けられているため、軒先を下から見上げても通気孔が目に触れることはなく、鼻隠しの前面及び底面が鼻隠し化粧板で一体的に覆われることと相俟って、軒先下面をすっきりとした状態で、見栄えよく処理することができる。   In the nose masking decorative board of the present invention, since the air hole serving as the air inlet is provided on the front wall surface of the ventilation chamber, the air hole does not touch the eyes even when looking up from the bottom of the eaves. Combined with the fact that the front and bottom surfaces are integrally covered with the nose cover, the front surface and the bottom surface of the eaves can be processed cleanly.

また、換気室を二分する遮蔽板の上端部に鼻隠しの底面が係止される係止片を設けることができる。   Moreover, the latching piece by which the bottom face of a nose cover is latched can be provided in the upper end part of the shielding board which bisects a ventilation chamber.

このような構成とすることで、鼻隠し化粧板を鼻隠しに取り付けるとき、係止片を鼻隠しの底面に押し当てるだけで鼻隠し化粧板の高さ調整や位置合わせが簡単に行え、足場の不安定な高所での鼻隠し化粧板の位置決め作業やビスや釘などの支持金具の打ち込み作業が簡単かつ確実に行うことができる。   With this configuration, when attaching the nasal cover to the nasal cover, the height and positioning of the nasal cover can be easily adjusted simply by pressing the locking piece against the bottom of the nasal cover. It is possible to easily and reliably perform the positioning operation of the nose cover plate and the driving operation of the support fitting such as a screw or a nail at an unstable high place.

本発明の鼻隠し化粧板は、屋根裏への通気を良好にして十分な換気が行えるとともに、火災時には膨張した加熱発泡材が通気経路を遮断するため、火炎や熱風が屋根裏に侵入するのを防止できる。また、本発明の鼻隠し化粧板は鼻隠しの前面及び底面を一体的に覆うため、軒先下面がすっきりとしたイメージとなり、軒先を見栄えよく処理することができる。   The nose cover decorative board of the present invention provides good ventilation to the attic and provides sufficient ventilation, and in the event of a fire, the expanded foam foam blocks the ventilation path, preventing flames and hot air from entering the attic. it can. In addition, since the nose cover decorative plate of the present invention integrally covers the front and bottom surfaces of the nose cover, the lower surface of the eaves becomes a clean image, and the eaves can be processed with good appearance.

本発明の好適な一実施形態を図面に基づいて説明する。
図１は本発明の一実施形態の鼻隠し化粧板を鼻隠しに取り付けた状態を示す断面図、図２ａは図１の鼻隠し化粧板のＩＩ−ＩＩ矢視図、図２ｂは図２ａの別の態様を示すＩＩ−ＩＩ矢視図、図３は図１の鼻隠し化粧板を鼻隠しに取り付けて屋根の軒先を構成した状態を示す断面図である。 A preferred embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a cross-sectional view showing a state in which the nasal cover according to one embodiment of the present invention is attached to the nasal cover, FIG. 2a is a view taken along the line II-II of the nasal cover, FIG. 2b is FIG. II-II arrow figure which shows another aspect, FIG. 3 is sectional drawing which shows the state which attached the nose cover decorative board of FIG. 1 to the nose cover, and comprised the eaves of the roof.

本発明の鼻隠し化粧板１は、例えば表面を塩化ビニル樹脂で覆うなどの耐蝕加工が施された被覆鋼板や、亜鉛鋼板などの耐火性を有する長尺の鋼板をベンダーなどで折り曲げて形成したものであって、鼻隠し４の前面４１を覆う前面被覆部１１の下方に軒先前方に突出する庇状の突出部１２が形成され、該突出部１２の下方に鼻隠し４の底面４２を覆うとともに中空状の換気室３を形成する底面被覆部１３が形成されている。また、前面被覆部１１の上端は、当該前面被覆部１１に対して直角に軒先前方へ折れ曲がってから更に斜め下方へ屈曲しており、その前端支持部１４が後述する水切り６の折返部６１に係合するようになっている。   The nose cover decorative board 1 according to the present invention is formed by bending a coated steel sheet with a corrosion resistance process such as covering the surface with a vinyl chloride resin or a long steel sheet having fire resistance such as a zinc steel sheet with a bender or the like. A hook-like protrusion 12 that protrudes forward of the eaves tip is formed below the front cover 11 that covers the front face 41 of the nose cover 4, and the bottom face 42 of the nose cover 4 is covered below the protrusion 12. In addition, a bottom surface covering portion 13 that forms a hollow ventilation chamber 3 is formed. Further, the upper end of the front covering portion 11 is bent at a right angle with respect to the front covering portion 11 to the front of the eaves and further bent obliquely downward. It is designed to engage.

図１に示すように、鼻隠し４の前面４１はほぼ垂直で、その底面４２は垂木５の底面５１とほぼ同角度で傾斜しており、鼻隠し４の底面４２は垂木５の底面５１より上方に位置して設けられている。本発明の鼻隠し化粧板１は、前面被覆部１１が鼻隠し４の前面４１を覆ってビスや釘などの支持金具Ｐで打ち込み固定されるものであって、前面被覆部１１の下方に折り曲げ形成された底面被覆部１３が鼻隠し４の底面４２を覆うとともに中空状の換気室３を形成し、底面被覆部１３の裏壁面１３３の上端から家屋側へ斜め上方に延出した後端支持部１５が垂木５の底面５１にビスや釘などの支持金具Ｐで打ち込み固定される。   As shown in FIG. 1, the front surface 41 of the nose cover 4 is substantially vertical, and the bottom surface 42 is inclined at substantially the same angle as the bottom surface 51 of the rafter 5. It is located above. The nose cover decorative plate 1 of the present invention is such that the front cover portion 11 covers the front face 41 of the nose cover 4 and is fixed by being driven by a support fitting P such as a screw or a nail, and is bent below the front cover portion 11. The formed bottom covering portion 13 covers the bottom face 42 of the nose cover 4 and forms a hollow ventilation chamber 3. The rear end support extends obliquely upward from the upper end of the back wall surface 133 of the bottom covering portion 13 to the house side. The portion 15 is driven and fixed to the bottom surface 51 of the rafter 5 with a support fitting P such as a screw or a nail.

このようにして鼻隠し化粧板１の後端支持部１５が垂木５の底面５１に固定されると、後端支持部１５と鼻隠し４の底面４２との間に軒裏通路３２が形成され、該軒裏通路３２が屋根裏に連通して換気が行われる。   In this way, when the rear end support 15 of the nose cover decorative plate 1 is fixed to the bottom surface 51 of the rafter 5, the eaves passage 32 is formed between the rear end support 15 and the bottom 42 of the nose cover 4. The eaves passage 32 communicates with the attic for ventilation.

換気室３は、前面被覆部１１の下方を折り曲げて前側面１３１、底壁面１３２及び裏壁面１３３によって囲まれた中空状となっていればよく、換気室３は、矩形状、略Ｕ字状、台形状、湾曲状等に形成できる。
遮蔽板２は、前面被覆部１１の裏面側から形成され、換気孔３１から屋根裏が見えないように、換気室３を前後にニ分する配置すればよく、遮蔽板２の下方が通気経路となって前後が連通している。
遮蔽板２の配置は、換気室３の形状が矩形状あるいは略Ｕ字状であれば、遮蔽板２を前面被覆部１１の裏面より垂下させて配置すればよく、また、換気室３の前壁面１３１が換気室側に傾斜した台形状であれば、前面被覆部１１の裏面より前壁面１３１と略並行になるように配置すればよい。 The ventilation chamber 3 only needs to have a hollow shape surrounded by the front side surface 131, the bottom wall surface 132, and the back wall surface 133 by bending the lower side of the front covering portion 11, and the ventilation chamber 3 is rectangular and substantially U-shaped. It can be formed into a trapezoidal shape, a curved shape, or the like.
The shielding plate 2 is formed from the back surface side of the front covering portion 11 and may be arranged so as to divide the ventilation chamber 3 forward and backward so that the attic can not be seen from the ventilation hole 31. The front and back are in communication.
If the shape of the ventilation chamber 3 is rectangular or substantially U-shaped, the shielding plate 2 may be arranged so that the shielding plate 2 is suspended from the back surface of the front covering portion 11. If the wall surface 131 has a trapezoidal shape inclined toward the ventilation chamber, the wall surface 131 may be disposed so as to be substantially parallel to the front wall surface 131 from the back surface of the front cover portion 11.

遮蔽板２の前面と対向する換気室３の前壁面１３１には、空気の流入口となる複数の通気孔３１が穿設されている。図２ａに示すように、通気孔３１は上下２段に亘って設けられており、上下方向に長い縦長の通気孔３１が前壁面３１の長手方向（水平方向）に沿って所定の間隔で多数列設されている。また、図２ｂに示すように通気孔３１は１段であってもよいし、多段に設けてもよい。   A plurality of vent holes 31 serving as air inlets are formed in the front wall surface 131 of the ventilation chamber 3 facing the front surface of the shielding plate 2. As shown in FIG. 2a, the vent holes 31 are provided in two upper and lower stages, and a number of vertically long vent holes 31 that are long in the vertical direction are arranged at predetermined intervals along the longitudinal direction (horizontal direction) of the front wall surface 31. It is lined up. Further, as shown in FIG. 2b, the vent hole 31 may be provided in a single stage or in multiple stages.

換気室３を前後に二分する遮蔽板２の下端は裏面側に折り返されて断面Ｕ字状の支持部２２が形成されており、該支持部２２に長尺帯状の加熱発泡材２０が装着されている。加熱発泡材２０としては、グラファイト系熱膨張材（インツメックス社製）、ブチル系やエポキシ系の熱膨張材が好適に使用できるが、これ以外にも火災時に火炎や熱風を受けたとき体積膨張して遮蔽板２の裏側の通気通路を遮断する機能を有するものならいかなるものでも使用できる。   The lower end of the shielding plate 2 that bisects the ventilation chamber 3 is folded back to the back side to form a support portion 22 having a U-shaped cross section, and a long strip-shaped heating foam material 20 is attached to the support portion 22. ing. As the heating foam material 20, a graphite-based thermal expansion material (manufactured by Intsumex), a butyl-based or epoxy-based thermal expansion material can be preferably used. Any material can be used as long as it has a function of blocking the ventilation passage on the back side of the shielding plate 2.

遮蔽板２の上部は前面被覆部１１の裏側にリベットなどで固定されており、その上端部には鼻隠し４の底面４２に沿う形状に折れ曲がった係止片２１が設けられている。この係止片２１は鼻隠し化粧板１を鼻隠し４に固定する際に位置決めとなるものであって、鼻隠し化粧板１の前面被覆部１１を鼻隠し４の前面４１に押し付けながら係止片２１を鼻隠し４の底面４２に係止させるだけで鼻隠し化粧板１を所定の取付位置にセットすることができる。   The upper portion of the shielding plate 2 is fixed to the back side of the front covering portion 11 with a rivet or the like, and a locking piece 21 bent in a shape along the bottom surface 42 of the nose cover 4 is provided at the upper end portion thereof. The locking piece 21 is positioned when the nose cover decorative plate 1 is fixed to the nose cover 4 and is locked while pressing the front cover 11 of the nose cover decorative plate 1 against the front surface 41 of the nose cover 4. By simply locking the piece 21 to the bottom surface 42 of the nose cover 4, the nose cover decorative plate 1 can be set at a predetermined mounting position.

次に、この鼻隠し化粧板１を軒先に取り付ける際の作業手順を説明する。図１に示すように、まず鼻隠し化粧板１の前面被覆部１１を鼻隠し４の前面４１に固定する。このとき、前面被覆部１１の裏面を鼻隠し４の前面４１にあてがい、前端支持部１４を屋根の野路板に固定されている水切り６の折返部６１に係合させながら、前面被覆部１１の裏側に設けられている係止片２１を鼻隠し４の底面４２に押し当てつつ、ビスや釘などの支持金具Ｐを前面被覆部１１から鼻隠し４に打ち込む。このようにすると、鼻隠し化粧板１の高さ調整や位置合わせが簡単に行え、足場の不安定な高所でも鼻隠し化粧板１の取り付け作業が簡単かつ確実に行える。次いで、鼻隠し化粧板１の後端支持部１５にビスや釘などの支持金具Ｐを打ち込んで垂木５の底面５１に固定することにより、鼻隠し４の底面４２と後端支持部１５との間に屋根裏に通じる軒裏通路３２が形成される。   Next, an operation procedure for attaching the nose masking decorative board 1 to the eaves will be described. As shown in FIG. 1, first, the front covering portion 11 of the nose cover decorative plate 1 is fixed to the front surface 41 of the nose cover 4. At this time, the back surface of the front surface covering portion 11 is applied to the front surface 41 of the nose cover 4, and the front end support portion 14 is engaged with the folded portion 61 of the drainer 6 fixed to the roof path plate. While pressing the locking piece 21 provided on the back side against the bottom surface 42 of the nose cover 4, a support fitting P such as a screw or a nail is driven into the nose cover 4 from the front cover portion 11. If it does in this way, height adjustment and position alignment of the nasal concealment decorative board 1 can be performed easily, and the attachment operation | work of the nasal concealment decorative board 1 can be performed easily and reliably also in the high place where the scaffold is unstable. Next, a support fitting P such as a screw or a nail is driven into the rear end support portion 15 of the nose cover decorative plate 1 and fixed to the bottom surface 51 of the rafter 5, so that the bottom surface 42 of the nose cover 4 and the rear end support portion 15 are fixed. An eaves passage 32 leading to the attic is formed therebetween.

そこで、図３に示すように、鼻隠し化粧板１の前面被覆部１１に軒先に沿って所定間隔に軒樋吊具７を取り付け、該軒樋吊具７の耳把持部に軒樋８の耳部を係止させて支持する。このとき、軒樋吊具７の上方に突出した支持部材７１に通水孔を有する軒樋カバー８１を固定して軒樋８の開口部を覆うことにより、落ち葉などが軒樋８内に侵入するのを防止することができる。図中の符号９は軒天井であって、鼻隠し化粧板１の裏壁面１３３に形成した段部１３４に軒天井９の端部を載せて取り付けることにより、軒樋８の取付と軒先回りの施工作業が完了する。   Therefore, as shown in FIG. 3, eaves hooks 7 are attached to the front surface covering portion 11 of the nose cover decorative plate 1 along the eaves at predetermined intervals, and the eaves hooks 8 are attached to the ear grips of the eaves hooks 7. The ear is locked and supported. At this time, by fixing the eave ridge cover 81 having a water passage hole to the support member 71 protruding above the eave ridge suspension 7 and covering the opening of the eave ridge 8, fallen leaves and the like enter the eave ridge 8. Can be prevented. Reference numeral 9 in the figure denotes an eaves ceiling, and by mounting the end of the eaves ceiling 9 on the stepped part 134 formed on the back wall surface 133 of the nose cover decorative plate 1, Construction work is completed.

かくして、鼻隠し化粧板１で鼻隠し４の前面４１及び底面４２が一体的に覆われ、鼻隠し化粧板１の軒先側に軒樋８が設置される。すなわち、鼻隠し化粧板１の前面被覆部１１で鼻隠し４の前面４１が覆われ、底面被覆部１３で鼻隠し４の底面４２が覆われるとともに、空気の通気経路を構成する換気室３が形成され、換気室３の前壁面１３１と軒樋８の後側壁との間に下向きに開口した通気経路が形成される。そして、換気室３は前面被覆部１１の裏側から垂下する遮蔽板２で前後に二分し、かつ遮蔽板２の下方に空気の通気経路が形成されるため、換気室３の前壁面１３１に穿設された通気孔３１から流入した空気は遮蔽板２の下方を潜り抜け、遮蔽板２の裏側に回り込んでから上昇することにより屋根裏の換気が行われる。   Thus, the front face 41 and the bottom face 42 of the nose cover 4 are integrally covered with the nose cover decorative board 1, and the eaves 8 is installed on the eaves side of the nose cover decorative board 1. That is, the front surface 41 of the nose cover 4 is covered with the front surface covering portion 11 of the nose cover decorative plate 1, the bottom surface 42 of the nose cover 4 is covered with the bottom surface covering portion 13, and the ventilation chamber 3 constituting the air ventilation path is formed. A vent path that is formed to open downward is formed between the front wall 131 of the ventilation chamber 3 and the rear side wall of the eaves 8. The ventilation chamber 3 is divided into a front and a rear by a shielding plate 2 that hangs down from the back side of the front covering portion 11, and an air ventilation path is formed below the shielding plate 2, so that the front wall 131 of the ventilation chamber 3 is perforated. The air that has flowed in from the provided vent hole 31 passes under the shielding plate 2, wraps around the back side of the shielding plate 2, and then rises to ventilate the attic.

通常、屋根裏の換気は以上のようにして行われるか、換気室３の前壁面１３１と軒樋８の後側壁との間は下向きに開口した通気経路となっているため、雨水は換気室へ浸入し難くなり、しかも加熱発泡材２０は換気室３を二分する遮蔽板２の裏側に装着されているため、雨水を伴った空気が換気室３に流入しても当該加熱発泡材２０が水浸しになることはない。また、火災時に火炎や熱風が通気経路に侵入したときには、加熱発泡材２０が膨張して遮蔽板２の裏側の通気経路を遮断するため、火炎や熱風などが屋根裏へ侵入するのを完全に防止することができる。   Normally, the attic is ventilated as described above, or since there is a downwardly ventilating path between the front wall 131 of the ventilation chamber 3 and the rear side wall of the eaves 8, rainwater enters the ventilation chamber. Since the heating foam material 20 is attached to the back side of the shielding plate 2 that bisects the ventilation chamber 3, the heating foam material 20 is submerged even if air with rainwater flows into the ventilation chamber 3. Never become. In addition, when a flame or hot air enters the ventilation path in the event of a fire, the heated foam material 20 expands and blocks the ventilation path on the back side of the shielding plate 2, thereby completely preventing flames and hot air from entering the attic. can do.

なお、図示した鼻隠し化粧板１は本発明の実施形態の一例を示すものであり、家屋の軒先の構成や、軒樋の形状などに応じて適宜な形状とすることができる。また、加熱発泡材２０は換気室３を形成する裏壁面１３３に装着することもできる。   In addition, the illustrated nose cover decorative board 1 shows an example of an embodiment of the present invention, and can have an appropriate shape according to the configuration of the eaves of the house, the shape of the eaves, and the like. Further, the heating foam material 20 can be attached to the back wall surface 133 that forms the ventilation chamber 3.

本発明の一実施形態の鼻隠し化粧板を鼻隠しに取り付けた状態を示す断面図である。It is sectional drawing which shows the state which attached the nose cover decorative board of one Embodiment of this invention to the nose cover. 図１の鼻隠し化粧板のＩＩ−ＩＩ矢視図である。It is the II-II arrow directional view of the nose cover decorative board of FIG. 図２ａの別の態様を示すＩＩ−ＩＩ矢視図である。It is the II-II arrow line view which shows another aspect of FIG. 2a. 図１の鼻隠し化粧板を鼻隠しに取り付けて屋根の軒先を構成した状態を示す断面図である。It is sectional drawing which shows the state which attached the nose cover decorative board of FIG. 1 to the nose cover, and comprised the eaves of the roof. 従来の換気部材を軒先に取り付けた状態を示す断面図である。It is sectional drawing which shows the state which attached the conventional ventilation member to the eaves.

符号の説明Explanation of symbols

１ 鼻隠し化粧板、１１ 前面被覆部、１２ 突出部、１３ 底面被覆部、
１３１ 前壁面、１３２ 底壁面、１３３ 裏壁面、１４ 前端支持部、１５ 後端支持部、２ 遮蔽板、２０ 加熱発泡材、２１ 係止片、２２ 支持部、３ 換気室、３１ 通気孔、４ 鼻隠し、４１ 前面、４２ 底面、５ 垂木、５１ 底面、６ 水切り、６１ 折返部、７ 軒樋吊具、７１ 支持部材 、８ 軒樋、８１ 軒樋カバー、９ 軒天井、 Ｐ 支持金具 DESCRIPTION OF SYMBOLS 1 Nose cover decorative board, 11 Front cover part, 12 Protrusion part, 13 Bottom cover part,
131 Front wall surface, 132 Bottom wall surface, 133 Back wall surface, 14 Front end support portion, 15 Rear end support portion, 2 Shield plate, 20 Heating foam material, 21 Locking piece, 22 Support portion, 3 Ventilation chamber, 31 Ventilation hole, 4 Nose cover, 41 Front face, 42 Bottom face, 5 Rafters, 51 Bottom face, 6 Drainer, 61 Turn-up part, 7 Eaves hanger, 71 Support members, 8 eaves, 81 eaves cover, 9 eaves ceiling, P Support bracket

Claims (2)

鼻隠しの前面を覆う前面被覆部と、鼻隠しの底面を覆うとともにその下方に中空状の換気室を形成する底面被覆部を有する鼻隠し化粧板であって、前面被覆部の裏側から垂下した遮蔽板で換気室内を前後に二分し、遮蔽板の下方に通気経路を形成し、かつ遮蔽板の前面と対向する換気室の前壁面に複数の通気孔を穿設するとともに、遮蔽板の裏側に加熱発泡材を装着したことを特徴とする鼻隠し化粧板。   A nose cover decorative plate having a front cover covering the front of the nasal cover and a bottom cover covering the bottom of the nasal cover and forming a hollow ventilation chamber below the nasal cover, hanging from the back side of the front cover The ventilation chamber is divided into two parts in the front and back with the shielding plate, a ventilation path is formed below the shielding plate, and a plurality of ventilation holes are drilled in the front wall of the ventilation chamber facing the front surface of the shielding plate. A nose masking decorative board, characterized in that a heating foam material is attached to. 遮蔽板の上端部に鼻隠しの底面が係止される係止片を設けたことを特徴とする請求項１記載の鼻隠し化粧板。   2. The nose cover decorative plate according to claim 1, wherein a locking piece for locking a bottom surface of the nose cover is provided on an upper end portion of the shielding plate.
JP2007288134A 2007-11-06 2007-11-06 Fascia board decorative plate Pending JP2009114718A (en)

Priority Applications (1)

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JP2007288134A JP2009114718A (en) 2007-11-06 2007-11-06 Fascia board decorative plate

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JP2009257155A Division JP4571705B2 (en) 2009-11-10 2009-11-10 Nose cover decorative plate mounting structure

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010031645A (en) * 2009-11-10 2010-02-12 Mitsubishi Plastics Inc Mounting structure of fascia-board decorative board
JP2010150879A (en) * 2008-12-26 2010-07-08 Mitsubishi Plastics Inc Decorative fascia board
JP2010168886A (en) * 2008-12-25 2010-08-05 Misawa Homes Co Ltd Structure of edge of eaves
JP2013044088A (en) * 2011-08-22 2013-03-04 Nihon Kagaku Sangyo Co Ltd Ventilation member
JP2020122260A (en) * 2019-01-29 2020-08-13 積水化学工業株式会社 Eaves edge structure
JP7469981B2 (en) 2020-07-29 2024-04-17 積水化学工業株式会社 Eaves structure

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010168886A (en) * 2008-12-25 2010-08-05 Misawa Homes Co Ltd Structure of edge of eaves
JP2010150879A (en) * 2008-12-26 2010-07-08 Mitsubishi Plastics Inc Decorative fascia board
JP2010031645A (en) * 2009-11-10 2010-02-12 Mitsubishi Plastics Inc Mounting structure of fascia-board decorative board
JP4571705B2 (en) * 2009-11-10 2010-10-27 三菱樹脂株式会社 Nose cover decorative plate mounting structure
JP2013044088A (en) * 2011-08-22 2013-03-04 Nihon Kagaku Sangyo Co Ltd Ventilation member
JP2020122260A (en) * 2019-01-29 2020-08-13 積水化学工業株式会社 Eaves edge structure
JP7240189B2 (en) 2019-01-29 2023-03-15 積水化学工業株式会社 Eaves structure
JP7469981B2 (en) 2020-07-29 2024-04-17 積水化学工業株式会社 Eaves structure

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