JP5919584B2 - Joining structure of outer wall material at joining corner and joining joiner - Google Patents

Joining structure of outer wall material at joining corner and joining joiner Download PDF

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JP5919584B2
JP5919584B2 JP2012114051A JP2012114051A JP5919584B2 JP 5919584 B2 JP5919584 B2 JP 5919584B2 JP 2012114051 A JP2012114051 A JP 2012114051A JP 2012114051 A JP2012114051 A JP 2012114051A JP 5919584 B2 JP5919584 B2 JP 5919584B2
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依容 窪田
依容 窪田
田中　進
進 田中
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旭トステム外装株式会社
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本発明は、建物の入隅部において隣り合う外壁材を接合する接合構造及び接合用ジョイナーに関する。   The present invention relates to a joining structure and a joining joiner for joining adjacent outer wall materials at a corner of a building.

一般に、建物の外壁には外壁材が配設されている。そして、建物の入隅部には隣り合う外壁材が直角をなすように配置され、外壁材間の目地には雨水等が浸入しないように、外壁材間の目地にシーリング材を充填することによってシーリング処理が施されていた。   Generally, an outer wall material is disposed on the outer wall of a building. Then, the adjacent outer wall materials are arranged at right angles in the corners of the building, and the joints between the outer wall materials are filled with a sealing material so that rainwater or the like does not enter the joints between the outer wall materials. Sealing was applied.

ところが、このようなシーリング処理は面倒な作業であるとともに、経年劣化によりシーリング効果も低下するから、メンテナンス作業も必要となる。   However, such a sealing process is a troublesome work, and the sealing effect is also reduced due to aging, so that a maintenance work is also required.

そこで、このような施工の負担を軽減するため、特許文献１の図５〜図８に示されるような工法が開発された。これは、隣り合う外壁材の突合せ部の裏側に、外壁材の小口を受ける金属製のジョイナーを配置し、この小口受け部分に弾性を有するパッキン材を取り付け、パッキン材を隣り合う外壁材の小口に密接させることにより、外壁材間の隙間から雨水等が浸入するのを防止しようとするものである。そして、ジョイナーの両側端部をコ字形に折り曲げることにより、外壁材と折り曲げ部との間に上下に通じる縦溝部を形成し、万一、雨水等がパッキン材と小口との隙間から浸入しても、縦溝部から下方に流下させ、外壁材の裏側には回らないようにしたものである。このようなシーリングレス工法によれば、従来のようなシーリング材による面倒な充填作業を必要とせず、メンテナンスも不要となるので、その分だけコスト負担を軽減することができる。   Therefore, in order to reduce the burden of such construction, a construction method as shown in FIGS. This is because a metal joiner that receives a small edge of the outer wall material is arranged on the back side of the butt portion of the adjacent outer wall material, and an elastic packing material is attached to the small edge receiving portion, and the packing material is attached to the small edge of the adjacent outer wall material. It is intended to prevent rainwater and the like from entering through the gaps between the outer wall materials. Then, by bending both end portions of the joiner into a U-shape, a vertical groove that leads up and down is formed between the outer wall material and the bent portion, and rainwater or the like should enter through the gap between the packing material and the small edge. Also, it is made to flow downward from the longitudinal groove portion so that it does not turn to the back side of the outer wall material. According to such a sealingless construction method, a troublesome filling operation with a conventional sealing material is not required, and maintenance is not required, so that the cost burden can be reduced accordingly.

特開２０１１−１０６２５８号公報JP 2011-106258 A

しかしながら、特許文献１に示される実施形態のように、柱の入隅部の角を構成する２つの面と面一の補助下地材と外壁材との間の間隔が大きいときは、ジョイナーに縦溝部を構成するコ字形部分を折り曲げ形成することができるが、補助下地材の外側にさらに胴縁を固定する場合、胴縁と外壁材との間に特許文献１の実施形態と同じ間隔を設けると、補助下地材と外壁材との間に無駄な空間ができてしまうから、胴縁と外壁材との間にはほとんど間隔を設けることができない。胴縁と外壁材との間の間隔が小さいと、ジョイナーに縦溝を構成するコ字形部を形成することができないから、雨水がジョイナーと外壁材との間を通ってさらに外壁材の裏側に回ってしまうおそれがある。   However, as in the embodiment shown in Patent Document 1, when the interval between the two surfaces constituting the corners of the corners of the pillar and the flush auxiliary substrate material and the outer wall material is large, the joiner is Although the U-shaped portion constituting the groove portion can be formed by bending, when the case edge is further fixed to the outside of the auxiliary base material, the same interval as the embodiment of Patent Document 1 is provided between the case edge and the outer wall material. Since a useless space is created between the auxiliary base material and the outer wall material, it is almost impossible to provide a gap between the trunk edge and the outer wall material. If the gap between the trunk edge and the outer wall material is small, the U-shaped portion that forms the longitudinal groove cannot be formed in the joiner, so rainwater passes between the joiner and the outer wall material and further on the back side of the outer wall material. There is a risk of turning around.

本発明は上記問題点を解消し、特に、補助下地材の外側にさらに胴縁を固定する場合であっても、単一のジョイナーによるシーリング工法を実施することができ、雨水等の目地からの浸入を良好に防止することができる、入隅部における外壁材の接合構造及び接合用ジョイナーを提供することをその課題とする。   The present invention solves the above-mentioned problems, and in particular, even when the trunk edge is further fixed to the outside of the auxiliary base material, a sealing method using a single joiner can be carried out. It is an object of the present invention to provide a joining structure and joining joiner for outer wall materials in an entrance corner that can prevent intrusion well.

上記課題を解決するため、請求項１に係る発明は、入隅部を構成する建物の外壁部に、それぞれ胴縁を介して外壁材を配置し、隣り合う外壁材の端部を突合せ状態で接合する、建物の入隅部における外壁材の接合構造において、上記胴縁上に、一方の外壁材の小口に他方の外壁材の端部側面が対面するように取り付け、隣り合う外壁材の目地の裏側には金属製のジョイナーを配置し、このジョイナーには、胴縁の外側面に当接して固定される平面状の固定縁と、各固定縁の入隅側の端部から直角に屈曲する小口受けとを形成し、２つの小口受けをＬ字形に連続形成し、上記固定縁の上記目地と反対側の端部を外側に折り返して折返し部を形成するとともに、上記固定縁と小口受けとの間の内角部には弾性を有するパッキン材を固定し、各パッキン材を上記外壁材の小口の裏側の角部に当接させ、上記固定縁の折返し部を外壁材の裏面に当接させ、上記折返し部とパッキン材との間には通気空間を形成したことを特徴とする。 In order to solve the above-mentioned problem, the invention according to claim 1 is arranged such that an outer wall material is arranged on the outer wall portion of the building that forms the corner portion through the trunk edge, and the end portions of the adjacent outer wall materials are in a butted state. In the joint structure of the outer wall material at the corner of the building to be joined, on the trunk edge, the outer wall material is attached so that the end surface of the other outer wall material faces the small edge of one outer wall material, and the joint of adjacent outer wall materials A metal joiner is placed on the back side of this plate, and the joiner is bent at a right angle from the end of the fixed corner of each fixed edge and a flat fixed edge that is fixed in contact with the outer surface of the trunk edge. And forming the folded portion by folding the end of the fixed edge opposite to the joint to the outside, forming the folded portion, and the fixed edge and the small edge receiver. An elastic packing material is fixed to the inner corner between the The down material is abutted against the corner of the back side of the small of the external wall material, a folded portion of the fixed edge is abutted against the back surface of the outer wall member, it is between the folded portion and the packing material to form a ventilation space It is characterized by that.

請求項２に係る発明は、請求項１において、上記パッキン材の上記目地側の端部は、上記隣り合う小口受けが連続するＬ字形の角部よりも裏側に後退した位置に配置されていることを特徴とする。   According to a second aspect of the present invention, in the first aspect, the joint-side end portion of the packing material is disposed at a position retracted to the back side from the L-shaped corner portion where the adjacent fore edge support is continuous. It is characterized by that.

請求項３に係る発明は、請求項１又は２において、上記ジョイナーは上下を逆にして上記外壁材の目地の裏側に配置可能としたことを特徴とする。   According to a third aspect of the present invention, in the first or second aspect, the joiner can be disposed on the back side of the joint of the outer wall member upside down.

請求項４に係る発明は、入隅部を構成する建物の外壁部に、それぞれ胴縁を介して外壁材を配置し、隣り合う外壁材の端部を突合せ状態で接合する、建物の入隅部における外壁材の接合用ジョイナーにおいて、このジョイナーには、胴縁の外側面に当接して固定される平面状の固定縁と、各固定縁の入隅側の端部から直角に屈曲する小口受けとを形成し、２つの小口受けをＬ字形に連続形成し、上記固定縁の入隅側とは反対側の端部を外側に折り返して折返し部を形成するとともに、上記固定縁と小口受けとの間の内角部には弾性を有するパッキン材を固定したことを特徴とする。 The invention according to claim 4 is characterized in that an outer wall material is arranged on each outer wall portion of a building constituting the inner corner portion via a trunk edge, and ends of adjacent outer wall materials are joined in a butted state. In the joiner for joining the outer wall material in the section, the joiner includes a flat fixed edge that is fixed in contact with the outer side surface of the trunk edge, and a small edge that is bent at right angles from the end of the fixed edge of the fixed edge. forming a receiving, two small receiving continuously formed in an L-shape, and the internal corner side of the fixed edge to form a folded portion by folding the end opposite to the outside, receiving the fixed edge and small An elastic packing material is fixed to the inner corner between the two.

請求項１に係る発明によれば、補助下地材の外側にさらに胴縁を固定する場合であっても、単一のジョイナーによるシーリング工法を実施することができるから、施工性がよく、シーリング材を使用しないので、シーリング材の劣化やメンテナンスという問題が生じない。   According to the first aspect of the present invention, since the sealing method using a single joiner can be carried out even when the trunk edge is further fixed to the outside of the auxiliary base material, the workability is good, and the sealing material Because no sealant is used, there is no problem of deterioration or maintenance of the sealing material.

また、小口受けと固定縁との間の内角部にそれぞれ設けたパッキン材を、外壁材の小口の裏側の角部に当接させる構成としたので、パッキン材による止水部が形成され、２つの外壁材の目地から浸入した雨水等は止水部で食い止められるから、止水性がよい。   In addition, since the packing materials provided at the inner corners between the small edge holder and the fixed edge are brought into contact with the corners on the back side of the small edge of the outer wall material, a water stop portion by the packing material is formed. Rainwater that has entered from the joints of the two outer wall materials is stopped at the water stop, so the water stop is good.

さらに、ジョイナーの固定縁の折返し部を外壁材の裏面に当接させ、折返し部とパッキン材との間には通気空間が形成されているので、たとえ雨水等がパッキン材による止水部を越えて浸入しても、上記通気空間に沿って下方に流下するので、ジョイナーを越えて浸入するのを良好に防止することができる。もちろん、パッキン材を通過した湿気も通気空間から排出させることができる。 In addition, the folded part of the fixed edge of the joiner is brought into contact with the back surface of the outer wall material, and a ventilation space is formed between the folded part and the packing material. Even if it intrudes, it flows downward along the ventilation space, so that it is possible to satisfactorily prevent intrusion beyond the joiner. Of course, moisture that has passed through the packing material can also be discharged from the ventilation space.

請求項２に係る発明によれば、パッキン材は通常は黒色のような暗色系であることが多く、外壁材が窯業系サイディングであるときは、表面に凹凸があるので、目地から奥の見え方が一定ではなく、凹みによって目地の比較的深い部分であってもジョイナーの一部やパッキン材が見える可能性がある。ジョイナーには外壁材と同系色の塗装をすることで目立たなくすることができる。また、２つのパッキン材の目地側の端部は、隣り合う小口受けが連続するＬ字形の角部よりも裏側に後退した位置に配置されているので、外壁材と外壁材との間の目地の開口端からパッキン材までの距離が長く、パッキン材は上記開口端から目地の奥にあるから視認しにくく、外観が損なわれることがない。   According to the invention of claim 2, the packing material is usually dark in color such as black, and when the outer wall material is ceramic siding, the surface is uneven, so that the back is visible from the joint. However, it is not constant, and a part of the joiner or packing material may be seen even in a relatively deep part of the joint due to the dent. The painter can be made inconspicuous by painting the same color as the outer wall material. Moreover, since the edge part by the side of the joint of two packing materials is arrange | positioned in the position which back | retreated to the back side rather than the L-shaped corner | angular part with which adjacent small edge receptacles continue, the joint between an outer wall material and an outer wall material is used. Since the distance from the opening end to the packing material is long and the packing material is in the back of the joint from the opening end, it is difficult to visually recognize the appearance.

請求項３に係る発明によれば、上記ジョイナーは上下を逆にして上記外壁材の目地の裏側に配置可能としたので、２つの小口受けの幅を、接合させる外壁材の小口の大きさに対応させることにより、隣り合う外壁材の厚さが異なるときに、同じジョイナーで対応することができる。   According to the invention of claim 3, since the joiner can be disposed upside down on the back side of the joint of the outer wall material, the width of the two small edge holders is set to the size of the small edge of the outer wall material to be joined. By making it correspond, when the thickness of the adjacent outer wall material differs, it can respond with the same joiner.

請求項４に係る発明によれば、ジョイナーには、胴縁の外側面に当接して固定される平面状の固定縁と、各固定縁の入隅側の端部から直角に屈曲する小口受けとを形成し、固定縁と小口受けとの間の内角部には弾性を有するパッキン材を固定したから、小口受けと固定縁との間の内角部にそれぞれ設けたパッキン材を、外壁材の小口の裏側の角部に当接させることにより、パッキン材による止水部が形成され、２つの外壁材の目地から浸入した雨水等は止水部で食い止められるから、止水性がよい。   According to the fourth aspect of the present invention, the joiner includes a flat fixed edge that is fixed in contact with the outer side surface of the trunk edge, and a fore edge holder that is bent at a right angle from an end portion of each fixed edge on the inner corner side. Since the elastic packing material is fixed to the inner corner between the fixed edge and the small edge holder, the packing materials respectively provided at the inner corner between the small edge and the fixed edge are attached to the outer wall material. By contacting the corners on the back side of the forehead, a water-stop portion is formed by a packing material, and rainwater and the like that have entered from joints of the two outer wall materials are stopped by the water-stop portion, so that the water-stop performance is good.

また、２つの小口受けをＬ字形に連続形成し、上記固定縁の上記目地と反対側の端部を外側に折り返して折返し部を形成したから、上記固定縁の折返し部が外壁材の裏面に当接させることにより、折返し部とパッキン材との間には通気空間が形成される。このため、たとえ雨水等がパッキン材による止水部を越えて浸入しても、上記通気空間に沿って下方に流下するので、ジョイナーを越えて浸入するのを良好に防止することができる。 In addition, since the two small mouthpieces are continuously formed in an L shape, and the end portion of the fixed edge opposite to the joint is folded outward to form the folded portion, the folded portion of the fixed edge is formed on the back surface of the outer wall material. By abutting, a ventilation space is formed between the folded portion and the packing material. For this reason, even if rainwater or the like enters beyond the water stop portion of the packing material, it flows down along the ventilation space, so that it is possible to satisfactorily prevent intrusion beyond the joiner.

本発明に係る入隅部における外壁材の接合構造を示す横断面図The cross-sectional view which shows the joining structure of the outer wall material in the corner part which concerns on this invention 図１の要部の拡大図Enlarged view of the main part of FIG. 留め金具による上下の外壁材の取り付け態様を示す縦断面図Longitudinal sectional view showing how the upper and lower outer wall materials are attached using fasteners 入隅部の縦胴縁の他の構成を示す横断面図Cross-sectional view showing another configuration of the vertical trunk edge of the corner 入隅部の縦胴縁のさらに他の構成を示す横断面図Cross-sectional view showing still another configuration of the vertical trunk edge at the corner （ａ）（ｂ）は入隅部を構成する外壁材の組み合わせの一態様を示す断面図(A) (b) is sectional drawing which shows the one aspect | mode of the combination of the outer wall material which comprises an entrance corner part （ａ）（ｂ）は入隅部を構成する外壁材の他の組み合わせ態様を示す断面図(A) (b) is sectional drawing which shows the other combination aspect of the outer wall material which comprises an entrance corner part

図１は建物の入隅部における外壁材の接合構造の要部を示し、図２はその要部の拡大図を示すもので、符号１は支柱を示す。支柱１の屋内側に隣り合う側面には内装材２、２が配設され、２つの内装材２、２によって出隅部が形成されている。内装材２、２の裏側にはグラスウール、ロックウール等による断熱材３、３が設けられている。   FIG. 1 shows the main part of the joining structure of the outer wall material in the corner of the building, FIG. 2 shows an enlarged view of the main part, and reference numeral 1 indicates a support. Interior materials 2, 2 are disposed on the side surface adjacent to the indoor side of the support column 1, and a protruding corner is formed by the two interior materials 2, 2. On the back side of the interior materials 2 and 2, heat insulating materials 3 and 3 made of glass wool, rock wool or the like are provided.

また、支柱１の屋外側に隣り合う側面にはそれぞれ補助下地材４、４が配置されている。補助下地材４、４の上下端は隣の支柱１間に設けられた間柱（図示せず）と同じ要領で建物躯体に固定されている。したがって、２つの補助下地材４、４の外側面は互いに直角をなすとともに、間柱の外側面と面一になるように配置され、左右の補助下地材４、４の外側には防水シートＰを介して内外各１対の縦胴縁５、５が固定されている。縦胴縁５、５も補助下地材４、４と同じ要領で建物躯体に固定されている。図示はしないが、間柱の外側にも縦胴縁が固定されている。   Further, auxiliary base materials 4 and 4 are arranged on the side surfaces adjacent to the outdoor side of the support column 1, respectively. The upper and lower ends of the auxiliary base materials 4 and 4 are fixed to the building frame in the same manner as the studs (not shown) provided between the adjacent columns 1. Accordingly, the outer surfaces of the two auxiliary base materials 4 and 4 are arranged at right angles to each other and flush with the outer surfaces of the studs, and the waterproof sheet P is provided on the outer sides of the left and right auxiliary base materials 4 and 4. A pair of longitudinal body edges 5 and 5 are fixed to the inside and outside. The vertical trunk edges 5 and 5 are also fixed to the building frame in the same manner as the auxiliary base materials 4 and 4. Although not shown, the vertical body edge is also fixed to the outside of the stud.

次に、上記左右の縦胴縁５、５の外側にはそれぞれ外壁材６、７が配置され、両外壁材６、７の外側面は直角に配置されている。このように、建物の外壁部に互いに直角を成す２つの外壁材６、７を配置することにより、入隅部が形成されている。なお、両側の外壁材６、７はそれぞれ複数枚が縦胴縁５、５に横張りされ、図３に示されるように、上部の各外壁材６ａ、７ａの下端面の合じゃくり部と下部の各外壁材６ｂ、７ｂの上端面の合じゃくり部とは共通の留め金具８に係合している。留め金具８は、外側の縦胴縁５に所定の間隔をおいて固定されている。留め金具８によって、各外壁材６、７の裏面と縦胴縁５ａとの間には空間Ｓが形成されるようになっている。   Next, outer wall materials 6 and 7 are arranged on the outer sides of the left and right vertical trunk edges 5 and 5, respectively, and the outer surfaces of both outer wall materials 6 and 7 are arranged at right angles. In this way, the corner portion is formed by disposing the two outer wall materials 6 and 7 that are perpendicular to each other on the outer wall portion of the building. In addition, a plurality of outer wall materials 6 and 7 on both sides are horizontally stretched on the vertical trunk edges 5 and 5, respectively, and as shown in FIG. 3, a joint portion on the lower end surface of each of the upper outer wall materials 6 a and 7 a The joint portions 8 on the upper end surfaces of the lower outer wall members 6 b and 7 b are engaged with a common fastener 8. The fastener 8 is fixed to the outer vertical trunk edge 5 at a predetermined interval. A space S is formed between the back surface of each outer wall member 6, 7 and the vertical trunk edge 5 a by the fastener 8.

なお、外壁材６、７は、ここでは窯業系のサイディングとする。この種の外壁材は、表面に凹凸が形成されている。   In this case, the outer wall materials 6 and 7 are ceramic siding. This type of outer wall material has irregularities formed on the surface.

ところで、入隅部で隣り合う外壁材６、７において、一方の外壁材６の小口に他方の外壁材７の端部側面が当接するように、いわゆる勝ち負けがつく関係となるように突合せられている。そして、これらの隣り合う外壁材６、７の目地の裏側には、縦胴縁５、５の長さと同じ程度に長い長尺の接合用金属製ジョイナー１０が配置されている。   By the way, in the outer wall materials 6 and 7 adjacent to each other at the corners, the outer wall materials 6 and 7 are abutted so as to be in a so-called win-loss relationship so that the side surface of the other outer wall material 7 comes into contact with the edge of the other outer wall material 6. Yes. Then, on the back side of the joints of these adjacent outer wall materials 6 and 7, a long joining metal joiner 10 that is as long as the length of the longitudinal trunk edges 5 and 5 is disposed.

ジョイナー１０は、内側の縦胴縁５、５の外側面に当接して固定される平面状の固定縁１１、１２と、固定縁１１、１２の入隅側の端部からそれぞれ直角に屈曲する小口受け１３、１４とから構成されている。そして、小口受け１３と小口受け１４とはＬ字形に連続形成されている。また、固定縁１１、１２の目地と反対側の端部は外側に折り返されて折返し部１５、１５が形成されている。小口受け１４の幅ｗ１は、対応する外壁材７の厚さｔ１よりも、折返し部１５の厚さｈ分だけ大きくなるように形成されている。したがって、小口受け１４と折返し部１５との間の間隔は、外壁材７の厚さｔ１と略同じになる。また、小口受け１３の幅ｗ２は、対応する外壁材６の厚さｔ２よりも小さくなるように形成されている。さらに、固定縁１１、１２と小口受け１３、１４との間の内角部には、それぞれ弾性を有するパッキン材１６、１７が固定されている。   The joiner 10 is bent at right angles from the planar fixed edges 11 and 12 fixed in contact with the outer surfaces of the inner vertical trunk edges 5 and 5, and from the ends of the fixed edges 11 and 12 on the corner side. The mouthpieces 13 and 14 are configured. The mouthpiece 13 and the mouthpiece 14 are continuously formed in an L shape. Moreover, the edge part on the opposite side to the joint of the fixed edges 11 and 12 is return | folded outside, and the folding | returning parts 15 and 15 are formed. The width w1 of the fore edge receptacle 14 is formed so as to be larger than the thickness t1 of the corresponding outer wall member 7 by the thickness h of the folded portion 15. Therefore, the interval between the fore edge holder 14 and the folded portion 15 is substantially the same as the thickness t1 of the outer wall material 7. Further, the width w2 of the fore edge holder 13 is formed to be smaller than the thickness t2 of the corresponding outer wall material 6. Further, elastic packing materials 16 and 17 are fixed to the inner corners between the fixed edges 11 and 12 and the small mouthpieces 13 and 14, respectively.

パッキン材１６、１７は、ゴムや樹脂などの弾性を有する材料によって構成されている。これにより、外壁材６、７の端面に凹凸やジョイナー１０に撓みなどがあっても、弾性によって変形し、これら凹凸や撓みによってシール面に隙間が形成されるのを防ぐことができる。   The packing materials 16 and 17 are made of an elastic material such as rubber or resin. As a result, even if the end surfaces of the outer wall materials 6 and 7 are uneven or the joiner 10 is bent, it can be deformed by elasticity, and a gap can be prevented from being formed on the seal surface due to the uneven or bent.

なお、図２のパッキン材１６、１７に斜線で示した部分は、取り付け前の状態であり、外壁材６、７を取り付けた後は、パッキン材１６、１７は外壁材６、７の小口の裏側の角部に押圧されて縮小する。ジョイナー１０の折返し部１５の高さｈはパッキン材１６、１７の厚さの２分の１以下であるのが好ましい。外壁材６、７が取り付けられたときに、パッキン材１６、１７は半分程度潰れることになり、良好な止水部が形成される。また、パッキン材１６、１７の目地側の端部は、それぞれ隣り合う小口受け１３、１４が連続するＬ字形の角部１８よりも裏側に後退した位置に配置されている。   Note that the hatched portions of the packing materials 16 and 17 in FIG. 2 are in a state before being attached, and after the outer wall materials 6 and 7 are attached, the packing materials 16 and 17 are the small openings of the outer wall materials 6 and 7. It is pressed by the corner on the back side and shrinks. The height h of the folded portion 15 of the joiner 10 is preferably less than or equal to half the thickness of the packing materials 16 and 17. When the outer wall materials 6 and 7 are attached, the packing materials 16 and 17 are crushed by about half, and a good water stop portion is formed. Moreover, the edge part by the side of the joint of packing materials 16 and 17 is arrange | positioned in the position back | retreated to the back side rather than the L-shaped corner | angular part 18 with which the adjacent small edge receptacles 13 and 14 continue.

ジョイナー１０の固定縁１１、１２は縦胴縁５、５の外側面に当接し、木ビス２０により縦胴縁５に固定されている。また、パッキン材１６、１７は外壁材６、７の小口の内側の角部に当接している。これにより、外壁材６、７の小口はパッキン材１６、１７を介して小口受け１３、１４に当接し、外壁材６の小口は外壁材７の端部側面に対面するように配置される。   The fixed edges 11 and 12 of the joiner 10 are in contact with the outer surfaces of the vertical trunk edges 5 and 5 and are fixed to the vertical trunk edge 5 by wooden screws 20. Further, the packing materials 16 and 17 are in contact with the corners on the inner sides of the outer wall materials 6 and 7. As a result, the fore ends of the outer wall materials 6 and 7 are in contact with the fore mouth receptacles 13 and 14 via the packing materials 16 and 17, and the fore ends of the outer wall material 6 are arranged so as to face the end side surfaces of the outer wall material 7.

さらに、ジョイナー１０の固定縁１１、１２において、それぞれ両側端のパッキン材１６、１７と折返し部１５、１５とは、それぞれ縦胴縁５、５の外側面から折返し部１５、１５の各高さｈ分だけ離間して浮くので、折返し部１５、１５とパッキン材１６、１７との間にはそれぞれ上下方向に連続する通気空間ｓ１が形成される。   Further, at the fixed edges 11 and 12 of the joiner 10, the packing materials 16 and 17 and the folded portions 15 and 15 at both ends are respectively connected to the heights of the folded portions 15 and 15 from the outer surface of the vertical trunk edges 5 and 5, respectively. Since they float apart by h, a ventilation space s1 that is continuous in the vertical direction is formed between the folded portions 15 and 15 and the packing materials 16 and 17, respectively.

なお、ジョイナー１０は、金属などからなる板材を板金加工することによって、各部位を構成することとしているが、例えば金属を押出成形することによって形成するようにしてもよい。   In addition, although the joiner 10 is supposed to comprise each part by carrying out sheet metal processing of the board | plate material which consists of metals etc., you may make it form, for example by extruding a metal.

以上のように、補助下地材４、４の外側にさらに胴縁を固定する場合であっても、単一のジョイナー１０によるシーリング工法を実施することができるから、施工性がよい。シーリング材を使用しないので、シーリング材の劣化やメンテナンスという問題が生じない。   As described above, since the sealing method using the single joiner 10 can be carried out even when the trunk edge is further fixed to the outside of the auxiliary base materials 4 and 4, workability is good. Since no sealant is used, there is no problem of deterioration or maintenance of the sealant.

また、小口受け１３、１４と固定縁１１、１２との間の内角部にそれぞれ設けたパッキン材１６、１７を、外壁材６、７の小口の裏側の角部に当接させる構成としたので、パッキン材１６、１７による止水部が形成され、２つの外壁材６、７の目地から浸入した雨水等は止水部で食い止められるから、止水性がよい。さらに、ジョイナー１０の固定縁１１、１２の折返し部１５、１５を、外壁材６、７の裏面に当接させ、折返し部１５、１５とパッキン材１６、１７との間には通気空間ｓ１が形成されているので、たとえ雨水等がパッキン材１６、１７による止水部を越えて浸入しても、上記通気空間ｓ１に沿って下方に流下するので、ジョイナー１０を越えて浸入するのを良好に防止することができる。もちろん、パッキン材１６、１７を通過した湿気も通気空間ｓ１から排出させることができる。 In addition, since the packing materials 16 and 17 provided at the inner corners between the small edge receptacles 13 and 14 and the fixed edges 11 and 12 are brought into contact with the corners on the back side of the outer wall materials 6 and 7, respectively. Since the water-stopping portion is formed by the packing materials 16 and 17 and rainwater and the like that have entered from the joints of the two outer wall materials 6 and 7 are stopped by the water-stopping portion, the water-stopping property is good. Further, the folded portions 15 and 15 of the fixed edges 11 and 12 of the joiner 10 are brought into contact with the back surfaces of the outer wall materials 6 and 7, and a ventilation space s 1 is formed between the folded portions 15 and 15 and the packing materials 16 and 17. Since it is formed, even if rainwater or the like enters beyond the water stop portion by the packing materials 16 and 17, it flows down along the ventilation space s 1, so it is good to enter beyond the joiner 10. Can be prevented. Of course, the moisture that has passed through the packing materials 16 and 17 can also be discharged from the ventilation space s1.

さらに、パッキン材１６、１７は通常は黒色のような暗色系であることが多く、外壁材６、７が窯業系サイディングであるときは、表面に凹凸があるので、目地から奥の見え方が一定ではなく、凹み具合によって目地の比較的深い部分であっても、ジョイナー１０の一部やパッキン材１６、１７が見える可能性がある。これに対し、ジョイナー１０には外壁材６、７と同じ色の塗装をすることで目立たなくすることができる。また、２つのパッキン材１６、１７の目地側の端部は、隣り合う小口受け１３、１４が連続するＬ字形の角部１８よりも裏側に後退した位置に配置されているので、外壁材６と外壁材７との間の目地の開口端からパッキン材１６、１７までの距離が長く、パッキン材１６、１７は上記開口端から目地の奥にあるから見えにくい。このため、外観が損なわれることはない。   Further, the packing materials 16 and 17 are usually dark-colored, such as black, and when the outer wall materials 6 and 7 are ceramic siding, the surface has irregularities, so that the back view from the joint is visible. There is a possibility that a part of the joiner 10 and the packing materials 16 and 17 may be seen even in a relatively deep part of the joint due to the dent condition. On the other hand, the joiner 10 can be made inconspicuous by painting the same color as the outer wall materials 6 and 7. Moreover, since the edge part by the side of the joint of the two packing materials 16 and 17 is arrange | positioned in the position back | retreated to the back side rather than the L-shaped corner | angular part 18 with which adjacent small edge receptacles 13 and 14 continue, the outer wall material 6 The distance between the opening end of the joint between the outer wall material 7 and the packing material 16 and 17 is long, and the packing materials 16 and 17 are difficult to see because they are in the back of the joint from the opening end. For this reason, an external appearance is not impaired.

外壁材６、７の裏側の面は固定縁１１、１２に確実に当接しているのが望ましい。しかし、外壁材６、７は、図３に示されるように、その上下端が留め金具８によって固定されているだけであり、補助下地材４、４上に縦胴縁５、５が当接し、さらに縦胴縁５、５上にジョイナー１０が当接しているので、補助下地材４、４や縦胴縁５、５に取付誤差があると、外壁材６、７が所定の位置よりも縦胴縁５、５から離れたり、近づいたりするので、留め金具８に留めにくい状態が発生したり、ガタつきが発生したりする可能性がある。しかし、固定縁１１、１２に対してパッキン材１６、１７を介して当接する構成であるから、上記のような誤差は弾性を有するパッキン材１６、１７に吸収される。したがって、外壁材６、７は確実に留め金具８に固定することができるとともに、固定縁１１、１２に対してガタつきが発生することも良好に防止することができる。   It is desirable that the back surface of the outer wall materials 6 and 7 is in contact with the fixed edges 11 and 12 reliably. However, as shown in FIG. 3, the upper and lower ends of the outer wall materials 6 and 7 are only fixed by the fasteners 8, and the vertical trunk edges 5 and 5 are in contact with the auxiliary base materials 4 and 4. Furthermore, since the joiner 10 is in contact with the vertical body edges 5 and 5, if there is an attachment error in the auxiliary base materials 4 and 4 and the vertical body edges 5 and 5, the outer wall materials 6 and 7 are more than the predetermined positions. Since the vertical body edges 5 and 5 are separated from or approached, there is a possibility that a state where it is difficult to fasten the fastener 8 or a rattling occurs. However, since it is configured to contact the fixed edges 11 and 12 via the packing materials 16 and 17, the above error is absorbed by the elastic packing materials 16 and 17. Therefore, the outer wall materials 6 and 7 can be securely fixed to the fastener 8 and can also be satisfactorily prevented from rattling against the fixed edges 11 and 12.

また、縦胴縁５、５は上述の実施態様に限定されない。例えば、図４のように、留め金具８を取り付けるための幅広の縦胴縁５ａとジョイナー１０を固定するための幅狭の縦胴縁５ｂとを、互いの間隔を少しあけて配置する構成でもよく、また、図５のように、留め金具８は直接に補助下地材４、４に取り付け、ジョイナー１０のみを縦胴縁５、５に取り付ける構成としてもよい。   Moreover, the vertical trunk edges 5 and 5 are not limited to the above-mentioned embodiment. For example, as shown in FIG. 4, a configuration in which a wide vertical trunk edge 5a for attaching the fastener 8 and a narrow vertical trunk edge 5b for fixing the joiner 10 are arranged with a slight gap therebetween. Alternatively, as shown in FIG. 5, the fastener 8 may be directly attached to the auxiliary base materials 4 and 4 and only the joiner 10 may be attached to the vertical trunk edges 5 and 5.

さらに、入隅部を構成する左右の外壁材６、７は、勝ち負けの状態になっていればよく、両側で同じものを使用する必要はない。ジョイナー１０の一方の小口受け１４は勝ち状態の外壁材７の小口に合わせて形成する必要はあるが、他方の小口受け１３に当接する外壁材６の小口の寸法は、特に限定されない。例えば、図６（ａ）（ｂ）及び図７（ａ）（ｂ）に示されるように、ジョイナー１０の一方の小口受け１４は、外壁材７の小口に合わせて形成しなければならないが、これに対し、他方の小口受け１３に当接する外壁材６の小口の寸法は、図６（ａ）のように、外壁材７のそれより小さくてもよく、図６（ｂ）、図７（ｂ）のように、外壁材７のそれと同じでもよく、あるいは図７（ａ）のように、外壁材７のそれよりも大きくてもよい。   Furthermore, the left and right outer wall materials 6 and 7 constituting the corners need only be in a winning or losing state, and it is not necessary to use the same material on both sides. One of the small edge receptacles 14 of the joiner 10 needs to be formed in accordance with the small edge of the outer wall material 7 in the winning state, but the size of the small edge of the outer wall material 6 that contacts the other small edge receptacle 13 is not particularly limited. For example, as shown in FIGS. 6A and 6B and FIGS. 7A and 7B, one of the small edge receptacles 14 of the joiner 10 must be formed in accordance with the small edge of the outer wall material 7. On the other hand, the size of the small edge of the outer wall material 6 that contacts the other small edge holder 13 may be smaller than that of the outer wall material 7, as shown in FIG. 6 (a). It may be the same as that of the outer wall material 7 as shown in b), or may be larger than that of the outer wall material 7 as shown in FIG.

さらに、上述の実施形態の胴縁は縦胴縁とし、外壁材を横張りとするものであるが、胴縁を横胴縁とし、外壁材を縦張りとする構成にも適用することができる。   Furthermore, although the trunk edge of the above-mentioned embodiment is a vertical trunk edge and the outer wall material is horizontally stretched, it can also be applied to a configuration in which the trunk edge is a horizontal trunk edge and the outer wall material is vertically stretched. .

１ 支柱
４ 補助下地材
５ 縦胴縁
６、７ 外壁材
１０ ジョイナー
１１、１２ 固定縁
１３，１４ 小口受け
１５ 折返し部
１６、１７ パッキン材
１８ 角部 DESCRIPTION OF SYMBOLS 1 Support | pillar 4 Auxiliary base material 5 Vertical trunk edge 6, 7 Outer wall material 10 Joiner 11, 12 Fixed edge 13, 14 Small mouthpiece 15 Folding part 16, 17 Packing material 18 Corner part

Claims (4)

入隅部を構成する建物の外壁部に、それぞれ胴縁を介して外壁材を配置し、隣り合う外壁材の端部を突合せ状態で接合する、建物の入隅部における外壁材の接合構造において、
上記胴縁上に、一方の外壁材の小口に他方の外壁材の端部側面が対面するように取り付け、
隣り合う外壁材の目地の裏側には金属製のジョイナーを配置し、このジョイナーには、胴縁の外側面に当接して固定される平面状の固定縁と、各固定縁の入隅側の端部から直角に屈曲する小口受けとを形成し、２つの小口受けをＬ字形に連続形成し、
上記固定縁の上記目地と反対側の端部を外側に折り返して折返し部を形成するとともに、上記固定縁と小口受けとの間の内角部には弾性を有するパッキン材を固定し、
各パッキン材を上記外壁材の小口の裏側の角部に当接させ、上記固定縁の折返し部を外壁材の裏面に当接させ、上記折返し部とパッキン材との間には通気空間を形成したことを特徴とする建物の入隅部における外壁材の接合構造。 In the joint structure of the outer wall material at the corner of the building, in which the outer wall material is arranged on the outer wall portion of the building constituting the corner, and the ends of the adjacent outer wall materials are joined in a butted state. ,
On the trunk edge, it is attached so that the end side surface of the other outer wall material faces the small edge of one outer wall material,
A metal joiner is placed on the back side of the joint between the adjacent outer wall materials. The joiner has a flat fixed edge that is fixed in contact with the outer surface of the trunk edge, and a corner on the corner of each fixed edge. Forming a mouthpiece that bends at right angles from the end, continuously forming two mouthpieces in an L-shape,
The end of the fixed edge opposite to the joint is folded outward to form a folded portion, and an elastic packing material is fixed to the inner corner between the fixed edge and the fore edge,
Each packing material is brought into contact with the corner on the back side of the outer wall material, the folded portion of the fixed edge is brought into contact with the back surface of the outer wall material, and a ventilation space is formed between the folded portion and the packing material. The joint structure of the outer wall material in the corner of the building, characterized by 上記パッキン材の上記目地側の端部は、上記隣り合う小口受けが連続するＬ字形の角部よりも裏側に後退した位置に配置されていることを特徴とする、請求項１に記載の建物の入隅部における外壁材の接合構造。   2. The building according to claim 1, wherein the joint-side end portion of the packing material is disposed at a position retracted to the back side from an L-shaped corner portion where the adjacent small mouthpieces are continuous. Bonding structure of outer wall material at the corner of the wall. 上記ジョイナーは上下を逆にして上記外壁材の目地の裏側に配置可能としたことを特徴とする、請求項１又は２に記載の外壁材の接合構造。   3. The outer wall material joining structure according to claim 1, wherein the joiner can be disposed upside down on the back side of the joint of the outer wall material. 入隅部を構成する建物の外壁部に、それぞれ胴縁を介して外壁材を配置し、隣り合う外壁材の端部を突合せ状態で接合する、建物の入隅部における外壁材の接合用ジョイナーにおいて、このジョイナーには、胴縁の外側面に当接して固定される平面状の固定縁と、各固定縁の入隅側の端部から直角に屈曲する小口受けとを形成し、２つの小口受けをＬ字形に連続形成し、上記固定縁の入隅側とは反対側の端部を外側に折り返して折返し部を形成するとともに、上記固定縁と小口受けとの間の内角部には弾性を有するパッキン材を固定したことを特徴とする建物の入隅部における外壁材の接合用ジョイナー。 Joiner for joining outer wall materials at the corners of buildings, where outer wall materials are arranged on the outer walls of the buildings that make up the corners, and the ends of adjacent outer wall materials are joined together in abutting condition. The joiner is formed with a planar fixed edge that is fixed in contact with the outer surface of the trunk edge, and a fore edge holder that bends at right angles from the end of the fixed corner on each corner. The small edge holder is continuously formed in an L shape, the end opposite to the corner of the fixed edge is folded outward to form a folded part, and the inner corner between the fixed edge and the small edge holder A joiner for joining outer wall materials at a corner of a building, wherein an elastic packing material is fixed.
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