JP4993348B2 - Roof repair bracket and roof repair structure using the same - Google Patents

Roof repair bracket and roof repair structure using the same Download PDF

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JP4993348B2
JP4993348B2 JP2006353739A JP2006353739A JP4993348B2 JP 4993348 B2 JP4993348 B2 JP 4993348B2 JP 2006353739 A JP2006353739 A JP 2006353739A JP 2006353739 A JP2006353739 A JP 2006353739A JP 4993348 B2 JP4993348 B2 JP 4993348B2
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washer
roof
support
fixing bolt
metal fitting
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JP2008163623A (en
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美明 萩原
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Takiron Co Ltd
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Takiron Co Ltd
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本発明は、老朽化が進んだ工場などの波形屋根材の上に新たな屋根材を張り付けるための屋根補修用金具と、この金具を用いた屋根補修構造に関する。   The present invention relates to a roof repair metal fitting for attaching a new roof material on a corrugated roof material such as an aging factory, and a roof repair structure using the metal fitting.

戦後、工場などの建物の屋根材として、安価で耐火性、耐水性、耐久性に優れる、石綿にセメントを混ぜ込んだ波形スレート板などが使用されてきたが、それらの老朽化に伴い雨漏りなどの補修を行う必要が生じてきた。既存の波形スレート板を張り替える補修は、工場の業務を停止して行う必要があるため、通常は、既存の波形スレート板をそのまま残して、その上に新たに波板や折版などの屋根材を張り付ける補修方法が採用されている。   After the war, corrugated slate plates made of asbestos mixed with cement have been used as roofing materials for buildings such as factories, which are cheap and have excellent fire resistance, water resistance, and durability. It has become necessary to perform repairs. Since repairs to replace existing corrugated slate plates need to be performed after the factory operation is stopped, usually the existing corrugated slate plates are left as they are and roofs such as new corrugated plates and folded plates are added to it. The repairing method of sticking the material is adopted.

周知のように、波形スレート板には人体に悪影響を及ぼすアスベストが含有されており、波形スレート板を切断したり孔を開けたりする必要がある補修方法は、粉塵が工場内に飛散、落下する恐れがあるので好ましくない。このような事情から、既設の波形スレート板の山部を覆う座面部と、該座面部の左右両端から下方へ延びる脚部を一体に備え、該座面部の左右中間部に段差を設けて高段座面部と下段座面部を形成すると共に、下段座面部に貫通孔を設けたクランプ金具を使用し、このクランプ金具を既設の波形スレート板にその山部を跨ぐように設置して、該山部から突出する既設のフックボルトの上端を下段座面部の貫通孔に挿入し、リング状で内周から複数の板バネの爪が中心方向へ突出する板バネナットをフックボルトに嵌め込んで爪の先端をフックボルトのネジ溝に係止させることにより、クランプ金具を波形スレート板に固定し、その高段座面部に屋根下地材を架設して金属製の屋根板を取付ける屋根補修工法が既に提案されている（特許文献１）。
特開２００４−１００２３９号公報 As is well known, corrugated slate plates contain asbestos that adversely affects the human body, and the repair method that requires cutting the corrugated slate plates or drilling holes scatters and falls into the factory. Because there is a fear, it is not preferable. For this reason, the seat surface portion that covers the peak portion of the existing corrugated slate plate and the leg portions that extend downward from the left and right ends of the seat surface portion are integrally provided, and a step is provided at the left and right intermediate portions of the seat surface portion. A clamp metal fitting that has a stepped seat surface portion and a lower step seat surface portion and a through-hole is provided in the lower step seat surface portion, and this clamp fitting is installed on an existing corrugated slate plate so as to straddle the peak portion. Insert the upper end of the existing hook bolt that protrudes from the center into the through hole in the lower seat surface, and insert a leaf spring nut that is ring-shaped and protrudes from the inner periphery toward the center. A roof repair method has already been proposed in which the clamp fitting is fixed to the corrugated slate plate by locking the tip with the thread groove of the hook bolt, and the roof base material is installed on the high-level seat surface to attach the metal roof plate. (Patent Document 1) .
JP 2004-100239 A

しかしながら、上記特許文献１の屋根補修工法は、板バネナットをフックボルトに嵌め込んで爪の先端をフックボルトのネジ溝に係止させることにより、板バネナットでクランプ金具を押圧固定しているため、例えば、フックボルトが錆びてネジ山やネジ溝がつぶれかけているような場合には、板バネナットの爪をネジ溝に確実に係止させてクランプ金具を強固に固定することが難しい。そのため、新しい屋根板に風圧等が作用すると、クランプ金具がガタついたり、最悪の場合には、クランプ金具がフックボルトから外れて屋根板が捲れるという問題があった。   However, the roof repair method of the above-mentioned patent document 1 presses and fixes the clamp fitting with the leaf spring nut by fitting the leaf spring nut into the hook bolt and locking the tip of the claw to the thread groove of the hook bolt. For example, when the hook bolt is rusted and the thread and the thread groove are crushed, it is difficult to securely fix the clamp fitting by securely engaging the claws of the leaf spring nut with the thread groove. For this reason, when wind pressure or the like acts on the new roof plate, there is a problem that the clamp fitting is loose or, in the worst case, the clamp fitting is detached from the hook bolt and the roof plate is rolled.

本発明は上記事情の下になされたもので、その解決しようとする課題は、フックボルト等の既設の屋根材固定ボルトが錆びていても、簡単な取付作業で確実かつ強固に取付固定することができる屋根補修用金具と、この金具を用いた屋根補修構造を提供することにある。   The present invention has been made under the circumstances described above, and the problem to be solved is to fix and fix securely and firmly by a simple mounting operation even if the existing roof material fixing bolts such as hook bolts are rusted. An object of the present invention is to provide a roof repair metal fitting that can be used and a roof repair structure using the metal fitting.

上記課題を解決するため、本発明に係る屋根補修用金具は、既設の波形屋根材の上に新たな屋根材を張り付けるための母屋材を支持する屋根補修用金具であって、（１）既設の波形屋根材から上方へ突出している屋根材固定ボルトを挿通するボルト挿通孔と座金引き上げ用ネジを挿通する複数のネジ挿通孔が形成された凹部を有する母屋材支持面と、この母屋材支持面の両端から下方へ折り曲げられて形成された一対の支持脚部とからなる支持金具と、（２）屋根材固定ボルトを挿通する開口と座金引き上げ用ネジをねじ込む複数のネジ孔が形成され、開口の口縁部から中心部上方に向かって斜めに突き出す複数のかしめ片が、屋根材固定ボルトのネジ山径よりもわずかに大きいかしめ片先端間の間隔を有するように形成された座金と、（３）支持金具のネジ挿通孔から座金のネジ孔にねじ込んで座金を引き上げる複数本の座金引き上げ用ネジと、を具備したことを特徴とするものである。   In order to solve the above-mentioned problems, a roof repair bracket according to the present invention is a roof repair bracket that supports a purlin member for attaching a new roof member on an existing corrugated roof member, (1) A purlin support surface having a recess in which a bolt insertion hole for inserting a roof material fixing bolt projecting upward from an existing corrugated roof material and a plurality of screw insertion holes for inserting a screw for lifting a washer are formed, and the main material A support fitting made up of a pair of support legs formed by bending downward from both ends of the support surface, and (2) an opening through which the roofing material fixing bolt is inserted and a plurality of screw holes into which the screws for raising the washer are screwed are formed. A washer formed such that a plurality of caulking pieces projecting obliquely from the opening edge toward the upper center part have a gap between the caulking piece tips slightly larger than the thread diameter of the roof material fixing bolt; , (3 And a plurality of washers pulling screws pulling the washer is screwed from the screw insertion hole of the support bracket into the screw hole of the washer and is characterized by comprising a.

本発明の屋根補修用金具においては、支持金具と座金との間に介在される副座金であって、屋根材固定ボルトを挿通する開口の口縁部から中心部上方に向かって斜めに突き出す複数のかしめ片が、屋根材固定ボルトのネジ山径よりもわずかに大きいかしめ片先端間の間隔を有するように形成された副座金を、更に具備していることが好ましい。そして、開口の口縁部から中心部上方に向かって４つのかしめ片が斜めに突き出していること、及び、かしめ片の先端側の傾斜角が徐々に小さくなるように、かしめ片の先端側が湾曲していることが好ましい。   In the roof repair metal fitting of the present invention, a plurality of sub washers interposed between the support metal fitting and the washer projecting obliquely upward from the mouth edge of the opening through which the roof material fixing bolt is inserted. It is preferable that the caulking piece further includes a sub washer formed so as to have an interval between the caulking piece tips slightly larger than the thread diameter of the roof material fixing bolt. Then, the four caulking pieces protrude obliquely from the opening edge toward the center, and the caulking piece tip side is curved so that the inclination angle of the caulking piece tip side gradually decreases. It is preferable.

また、本発明に係る屋根補修構造は、上記の本発明の屋根補修用金具を用いた屋根補修構造であって、座金の開口に既設の波形屋根材から上方へ突出している屋根材固定ボルトが挿通され、その上から被せられた支持金具のボルト挿通孔に屋根材固定ボルトが挿通されると共に、支持金具の支持脚部が既設の波形屋根材の谷部に載置され、支持金具の複数のネジ挿通孔から座金の複数のネジ孔にそれぞれねじ込まれた複数本の座金引き上げ用ネジによって引き上げられた座金の複数のかしめ片が、支持金具の凹部の下面に圧接して座金の開口の中心部の方にかしめられ、各かしめ片の先端が屋根材固定ボルトを外側から押圧することで屋根補修用金具が取付固定されており、この屋根補修用金具の支持金具の母屋材支持面に、新たな屋根材を張り付けるための母屋材が取付けられていることを特徴とするものである。   The roof repair structure according to the present invention is a roof repair structure using the above-described roof repair bracket of the present invention, and roof material fixing bolts projecting upward from an existing corrugated roof material to an opening of a washer are provided. The roof material fixing bolts are inserted into the bolt insertion holes of the support metal fittings that are inserted and covered from above, and the support leg portions of the support metal fittings are placed in the valleys of the existing corrugated roof material, The plurality of washer crimping pieces pulled up by the plurality of washer lifting screws respectively screwed into the plurality of screw holes of the washer from the screw insertion holes of the washer press against the lower surface of the concave portion of the support fitting, and the center of the washer opening The roof repair metal fittings are attached and fixed by pressing the roof material fixing bolts from the outside with the ends of the caulking pieces pressed from the outside. New roofing materials It is characterized in that the purlins member is attached for attaching Ri.

本発明の屋根補修構造においては、前記の副座金が支持金具と座金との間に介在されて、屋根材固定ボルトが副座金の開口に挿通され、副座金の複数のかしめ片も開口の中心部の方にかしめられて、各かしめ片の先端が屋根材固定ボルトを外側から押圧していることが好ましい。   In the roof repair structure of the present invention, the sub washer is interposed between the support metal fitting and the washer, the roof material fixing bolt is inserted into the opening of the sub washer, and the plurality of caulking pieces of the sub washer are also in the center of the opening. It is preferable that the end of each caulking piece presses the roof material fixing bolt from the outside.

本発明の屋根補修用金具は、次の要領で取付固定されて使用される。即ち、既設の波形屋根材から上方へ突出している屋根材固定ボルトを座金の開口に挿通し、その上から支持金具を被せてそのボルト挿通孔に屋根材固定ボルトを挿通すると共に、支持金具の支持脚部を既設の波形屋根材の谷部に載置する。そして、支持金具の複数のネジ挿通孔から座金の複数のネジ孔に複数本の座金引き上げ用ネジをそれぞれねじ込んで座金を引き上げ、座金の複数のかしめ片を支持金具の凹部の下面に圧接させて座金の開口の中心部の方にかしめることにより、各かしめ片の先端を屋根材固定ボルトに外側から押圧させて強固に屋根補修用金具を取付固定し、この屋根補修用金具の支持金具の母屋材支持面に、新たな屋根材を張り付けるための母屋材を取付ける。   The roof repair metal fitting of the present invention is used after being fixedly mounted in the following manner. That is, the roof material fixing bolt projecting upward from the existing corrugated roof material is inserted into the opening of the washer, the support metal fitting is covered from above, the roof material fixing bolt is inserted into the bolt insertion hole, and the support metal fitting The support leg is placed in the valley of the existing corrugated roofing material. Then, a plurality of washer lifting screws are respectively screwed into the plurality of screw holes of the washer from the plurality of screw insertion holes of the support bracket to raise the washer, and the plurality of crimping pieces of the washer are pressed against the lower surface of the recess of the support bracket. By caulking toward the center of the opening of the washer, the end of each caulking piece is pressed against the roof material fixing bolt from the outside to firmly attach and fix the roof repair bracket. A purlin material for attaching a new roofing material is attached to the main material support surface.

このように、本発明の屋根補修用金具は、座金の各かしめ片を開口の中心部の方にかしめて既設の屋根材固定ボルトを外側から押圧して取付けるため、屋根材固定ボルトが錆びてネジ山やネジ溝がつぶれかけているような場合でも、確実かつ強固に取付けることができ、支持金具の母屋材支持面に母屋材を介して取付けられた新たな屋根材に風圧等が作用しても、屋根補修用金具がガタついたり、屋根材固定ボルトから外れたりする心配を解消することができる。しかも、本発明の屋根補修用金具は、座金引き上げ用ネジを座金のネジ孔にねじ込むだけで極く簡単に取付けることができ、座金引き上げ用ネジをねじ込めばねじ込むほど、座金のかしめ片が開口の中心部の方へ大きくかしめられて屋根材固定ボルトを強く押圧し、強固に取付固定される利点がある。   As described above, the roof repair metal fitting of the present invention attaches each of the caulking pieces of the washer toward the center of the opening and presses the existing roof material fixing bolt from the outside, so that the roof material fixing bolt is rusted. Even when the screw thread or screw groove is crushed, it can be securely and firmly attached, and wind pressure acts on the new roof material attached to the support material support surface of the support bracket via the main material. However, it is possible to eliminate the worry that the roof repair bracket is loose or detached from the roof material fixing bolt. Moreover, the roof repair bracket of the present invention can be mounted very simply by screwing the washer lifting screw into the screw hole of the washer. The more the screw for screwing the washer is screwed, the more the crimping piece of the washer opens. There is an advantage that the roof material fixing bolt is strongly pressed toward the center portion of the door and strongly pressed and fixed firmly.

そして、前記の副座金を更に具備した屋根補修用金具は、座金のかしめ片に加えて、この副座金のかしめ片も開口の中心部の方へかしめられて屋根材固定ボルトを外側から強く押圧するので、固定強度が更に向上する利点がある。   In addition, the roof repair bracket further provided with the above-described washer, in addition to the caulking piece of the washer, the caulking piece of this sub-washer is also caulked toward the center of the opening to strongly press the roof material fixing bolt from the outside. Therefore, there is an advantage that the fixing strength is further improved.

また、座金や副座金の開口の口縁部から中心部上方に向かって４つのかしめ片が斜めに突き出している屋根補修用金具は、２つ又は３つのかしめ片が突き出したものよりも、容易にかしめ片をかしめることができ、しかも、５つ以上のかしめ片が突き出したものよりも、強く屋根材固定ボルトを押圧できる利点がある。   In addition, a roof repair bracket in which four caulking pieces protrude obliquely from the edge of the opening of the washer or sub-washer upward toward the center is easier than one in which two or three caulking pieces protrude. The caulking piece can be caulked, and there is an advantage that the roof material fixing bolt can be pressed more strongly than the case where five or more caulking pieces protrude.

更に、かしめ片の先端側の傾斜角が徐々に小さくなるように、かしめ片の先端側が湾曲している屋根補修用金具は、かしめ片の先端が屋根材固定ボルトを略直角に押圧するため、取付強度を一層向上させることができる。   Furthermore, the roof repair metal fitting that the front end side of the caulking piece is curved so that the inclination angle on the front end side of the caulking piece is gradually reduced, the front end of the caulking piece presses the roof material fixing bolt at a substantially right angle. Mounting strength can be further improved.

そして、本発明の屋根補修用金具を前記の要領で取付けて、その支持金具の母屋材支持面に新たな屋根材を張り付けるための母屋材を取付けた本発明の屋根補修構造は、既述したように屋根補修用金具の取付強度が大きいため、母屋材に張り付ける新たな屋根材に風圧等が作用しても、屋根補修用金具がガタついたり、屋根補修用金具が屋根材固定ボルトからはずれて新たな屋根材が捲れたりする心配が解消され、また、屋根補修用金具の取付作業が容易であるから施工性も向上するといった利点がある。   Then, the roof repair structure of the present invention in which the roof repair metal fitting of the present invention is attached in the above-described manner and the main roof material for attaching a new roof material to the purlin support surface of the support metal fitting is attached is described above. As mentioned above, because the strength of the roof repair bracket is high, even if wind pressure acts on the new roof material to be attached to the main building material, the roof repair bracket is rattled or the roof repair bracket is fixed to the roof material fixing bolt. There is an advantage that the concern that the roof material is removed and the new roof material is rolled up is eliminated, and the workability is improved because the mounting work of the roof repair metal fittings is easy.

以下、図面を参照して本発明の具体的な実施形態を詳述する。   Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

図１は本発明の一実施形態に係る屋根補修用金具の分解斜視図、図２は座金引き上げネジをねじ込む前の同屋根補修用金具の取付状態を示す断面図、図３は同屋根補修用金具を用いた本発明の屋根補修構造を示す断面図である。   FIG. 1 is an exploded perspective view of a roof repair fitting according to an embodiment of the present invention, FIG. 2 is a cross-sectional view showing a mounting state of the roof repair fitting before screwing a washer lifting screw, and FIG. It is sectional drawing which shows the roof repair structure of this invention using a metal fitting.

この屋根補修用金具１は、図３に示すように、既設の波形スレート板などの波形屋根材７の上に新たな屋根材８を張り付けるための母屋材９を取付けるものであって、図１に示すように、支持金具２と、座金３と、副座金４と、２本の座金引き上げ用ネジ５，５とで構成されている。   As shown in FIG. 3, this roof repair fitting 1 is for attaching a purlin material 9 for attaching a new roof material 8 on a corrugated roof material 7 such as an existing corrugated slate plate. As shown in FIG. 1, it is composed of a support fitting 2, a washer 3, a sub-washer 4, and two washers lifting screws 5 and 5.

支持金具２は、図１，図３に示すように、母屋材９を支持する母屋材支持面２ａと、既設の波形屋根材７の山部７ａを跨いでその両側の谷部７ｂ，７ｂに載置される左右の支持脚部２ｂ，２ｂを一体に形成したもので、この支持脚部２ｂ，２ｂの下端は内側斜め上方に折り返されて位置決め片２ｃ，２ｃが形成されている。従って、この支持金具２の支持脚部２ｂ，２ｂを波形屋根材７の谷部７ｂ，７ｂに載置すると、位置決め片２ｃ，２ｃが波形屋根材７の斜面に当接して、支持金具２が左右に動かないように位置決めされるようになっている。   As shown in FIG. 1 and FIG. 3, the support fitting 2 straddles the purlin support surface 2 a that supports the purlin material 9 and the peaks 7 a of the existing corrugated roof material 7, and the troughs 7 b and 7 b on both sides thereof. The left and right support leg portions 2b, 2b to be placed are integrally formed, and the lower ends of the support leg portions 2b, 2b are folded back obliquely inward to form positioning pieces 2c, 2c. Accordingly, when the support legs 2b and 2b of the support metal fitting 2 are placed on the valleys 7b and 7b of the corrugated roof material 7, the positioning pieces 2c and 2c come into contact with the slope of the corrugated roof material 7 and the support metal fitting 2 is It is positioned so as not to move from side to side.

この支持金具２の母屋材支持面２ａの中央には横長の凹部２ｄが形成されており、この凹部２ｄの中心には、既設の波形屋根材７から突出している屋根材固定ボルト６を挿通するボルト挿通孔２ｅが形成されている。そして、この凹部２ｄのボルト挿通孔２ｅを挟んで両側には、座金引き上げ用ネジ５，５を挿通する２つのネジ挿通孔２ｆ，２ｆが形成されており、凹部２ｄの深さは、座金引き上げ用ネジ５，５の頭部や屋根材固定ボルト６の上端が突き出さない深さとされている。   A horizontally long recess 2d is formed at the center of the purlin support surface 2a of the support fitting 2, and a roof material fixing bolt 6 protruding from the existing corrugated roof material 7 is inserted into the center of the recess 2d. Bolt insertion holes 2e are formed. Two screw insertion holes 2f, 2f for inserting the washer lifting screws 5, 5 are formed on both sides of the bolt insertion hole 2e of the recess 2d, and the depth of the recess 2d is determined by the height of the washer. The heads of the screws 5 and 5 and the upper end of the roof material fixing bolt 6 have a depth that does not protrude.

この支持金具２は、金属板をプレス加工及び曲げ加工することで作製されるものであるが、強度のある合成樹脂で作製することも可能である。   The support fitting 2 is manufactured by pressing and bending a metal plate, but can also be manufactured with a strong synthetic resin.

座金３は、両側に段差部３ａ，３ａを有する長方形の金属板の中央に、屋根材固定ボルト６を挿通する大径の開口３ｂを形成すると共に、その両側に前記の座金引き上げ用ネジ５，５をねじ込む２つのネジ孔３ｃ，３ｃを形成したものであり、上記の開口３ｂには、その口縁部から中心部上方に向かって斜めに突き出す４つのかしめ片３ｄが形成されている。尚、座金３のネジ孔３ｃや前記支持金具２のネジ挿通孔２ｆの個数は２つに限定されるものではなく、２つ以上、例えば４つのネジ挿通孔２ｆを座金３の四隅に形成すると共に、これに対応して４つのネジ挿通孔２ｆを支持金具２の凹部２ｄの四隅に形成してもよい。   The washer 3 is formed with a large-diameter opening 3b through which the roof material fixing bolt 6 is inserted at the center of a rectangular metal plate having stepped portions 3a, 3a on both sides, and the above-described washer lifting screws 5 on both sides thereof. Two screw holes 3c and 3c for screwing 5 are formed, and four caulking pieces 3d are formed in the opening 3b so as to protrude obliquely from the mouth edge toward the upper center. The number of the screw holes 3c of the washer 3 and the screw insertion holes 2f of the support fitting 2 is not limited to two, but two or more, for example, four screw insertion holes 2f are formed at the four corners of the washer 3. At the same time, four screw insertion holes 2 f may be formed at the four corners of the concave portion 2 d of the support fitting 2.

これらのかしめ片３ｃの相対向する先端間の間隔は、屋根材固定ボルト６のネジ山径よりもわずかに大きく設定されており、屋根材固定ボルト６がこれらのかしめ片３ｃの先端間に遊挿できるようになっている。また、図２，図３に示すように、これらのかしめ片３ｃの先端側は、その傾斜角が徐々に小さくなるように湾曲しており、後述するように、かしめ片３ｄが開口３ｂの中心部の方にかしめられると、かしめ片３ｄの先端が屋根材固定ボルト６を略直角に押圧して、取付強度が一層向上するようになっている。かしめ片３ｄの個数は２つ以上であればよいが、この座金３のように４つのかしめ片３ｄが形成されたものは、２つ又は３つのかしめ片が形成されたものよりも、容易にかしめることができ、５つ以上のかしめ片が形成されたものよりも、強く屋根材固定ボルト６を押圧できる利点がある。   The distance between the tips of the caulking pieces 3c facing each other is set to be slightly larger than the thread diameter of the roofing material fixing bolt 6, and the roofing material fixing bolt 6 is free to play between the tips of the caulking pieces 3c. It can be inserted. As shown in FIGS. 2 and 3, the crimping piece 3c has a distal end that is curved so that its inclination angle gradually decreases. As will be described later, the caulking piece 3d is the center of the opening 3b. When it is caulked toward the portion, the tip of the caulking piece 3d presses the roof material fixing bolt 6 substantially at a right angle, so that the mounting strength is further improved. The number of the caulking pieces 3d may be two or more. However, the case where the four caulking pieces 3d are formed like the washer 3 is easier than the case where the two or three caulking pieces are formed. There is an advantage that the roof material fixing bolts 6 can be pressed more strongly than those in which five or more caulking pieces are formed.

また、副座金４は、上記座金３と上記支持金具２の凹部２ｄの下面との間に介在させるものであって、上記座金３の両側の段差部３ａ，３ａに載置される脚片４ａ，４ａを両側に備えた略正方形の金属板の中央に、屋根材固定ボルト６を挿通する大径の開口４ｂが形成されており、この開口４bの口縁部から中心部上方に向かって斜めに突き出す４つのかしめ片４ｃが形成されている。そして、前記の座金３と同様に、かしめ片４ｃの相対向する先端間の間隔が屋根材固定ボルト６のネジ山径よりもわずかに大きく設定されて、屋根材固定ボルト６がこれらのかしめ片４ｃの先端間に遊挿できるようになっており、また、図２，図３に示すように、これらのかしめ片４ｃの先端側は、その傾斜角が徐々に小さくなるように湾曲して、かしめ片４ｃが開口４ｂの中心部の方にかしめられたときに、かしめ片４ｃの先端が屋根材固定ボルト６を略直角に強く押圧するようになっている。図１に示すように、この副座金４の４つのかしめ片４ｃと座金３の４つのかしめ片３ｄは、上下に重なり合わないように、周方向に４５度ずれている。このようにかしめ片４ｃ，３ｄが４５度ずれていると、完全に重なり合っている場合に比べてかしめ易くなり、しかも、屋根材固定ボルト６がかしめ片４ｃ，３ｄの先端によって八方からほぼ均等に押圧されるため、固定強度が一層向上する利点がある。   Further, the secondary washer 4 is interposed between the washer 3 and the lower surface of the recess 2d of the support fitting 2, and the leg pieces 4a placed on the step portions 3a and 3a on both sides of the washer 3. , 4a are formed in the center of a substantially square metal plate on both sides, and a large-diameter opening 4b through which the roofing material fixing bolt 6 is inserted is formed obliquely from the mouth edge of the opening 4b upward to the center. Four caulking pieces 4c are formed to protrude into the surface. As in the case of the washer 3, the distance between the opposing ends of the caulking pieces 4c is set to be slightly larger than the thread diameter of the roofing material fixing bolts 6, and the roofing material fixing bolts 6 are these caulking pieces. 4c, and as shown in FIG. 2 and FIG. 3, the front end side of these caulking pieces 4c is curved so that the inclination angle gradually decreases, When the caulking piece 4c is caulked toward the center of the opening 4b, the tip of the caulking piece 4c strongly presses the roof material fixing bolt 6 substantially at a right angle. As shown in FIG. 1, the four caulking pieces 4c of the sub-washer 4 and the four caulking pieces 3d of the washer 3 are shifted by 45 degrees in the circumferential direction so as not to overlap each other. When the caulking pieces 4c and 3d are displaced by 45 degrees in this way, it becomes easier to caulk compared to the case where they are completely overlapped, and the roof material fixing bolt 6 is almost evenly distributed from all sides by the tips of the caulking pieces 4c and 3d. Since it is pressed, there is an advantage that the fixing strength is further improved.

本発明の屋根補修構造は、上記の支持金具２、座金３、副座金４、座金引き上げ用ネジ５，５からなる本発明の屋根補修用金具１を用いて、次の要領で施工されるものである。即ち、図２に示すように、既設の波形屋根材７から上方へ突出している屋根材固定ボルト６を、座金３の開口３ｂ（かしめ片３ｄの先端間）とその上の副座金４の開口４ｂ（かしめ片４ｃの先端間）に挿通し、更に、その上から支持金具２を被せてそのボルト挿通孔２ｅに屋根材固定ボルト６を挿通すると共に、支持金具２の支持脚部２ｂ，２ｂを既設の波形屋根材７の谷部７ｂに載置する。そして、図３に示すように、支持金具２の２つのネジ挿通孔２ｆ，２ｆから座金３の２つのネジ孔３ｃ，３ｃに２本の座金引き上げ用ネジ５，５をねじ込んで座金３を引き上げ、副座金４の複数のかしめ片４ｃと座金３の複数のかしめ片３ｄを支持金具２の凹部２ｄの下面に圧接させて開口４ｂ，３ｂの中心部の方にかしめることにより、各かしめ片４ｃ，３ｄの先端で屋根材固定ボルト６を外側から略直角に押圧して強固に屋根補修用金具１を取付固定する。そして、この屋根補修用金具１の支持金具２の母屋材支持面２ａに母屋材９を横架して止具（不図示）等で取付固定すると共に、この母屋材９の上に新たな屋根材８を屋根材固定ボルト等で張り付けると、本発明の屋根補修構造が完成する。新たな屋根材９としては、安価で耐久性のある軽量な合成樹脂製の波板等が好適に使用され、母屋材９としては、強度のある長尺の板金等が好適に使用される。   The roof repair structure of the present invention is constructed in the following manner using the roof repair bracket 1 of the present invention comprising the support bracket 2, the washer 3, the sub washer 4, and the washer lifting screws 5 and 5. It is. That is, as shown in FIG. 2, the roofing material fixing bolt 6 protruding upward from the existing corrugated roofing material 7 is connected to the opening 3b of the washer 3 (between the tips of the caulking pieces 3d) and the opening of the auxiliary washer 4 thereon. 4b (between the tips of the caulking pieces 4c), and further, the support metal fitting 2 is covered from above, and the roof material fixing bolt 6 is inserted into the bolt insertion hole 2e, and the support legs 2b and 2b of the support metal fitting 2 are inserted. Is placed in the valley 7b of the existing corrugated roofing material 7. Then, as shown in FIG. 3, the two washer lifting screws 5, 5 are screwed into the two screw holes 3 c, 3 c of the washer 3 from the two screw insertion holes 2 f, 2 f of the support fitting 2, and the washer 3 is pulled up. The caulking pieces 4c of the sub-washer 4 and the caulking pieces 3d of the washer 3 are pressed against the lower surface of the recess 2d of the support fitting 2 and caulked toward the central part of the openings 4b and 3b, respectively. The roof repair metal fittings 1 are firmly attached and fixed by pressing the roof material fixing bolts 6 at substantially right angles from the outside at the tips of 4c and 3d. Then, a purlin material 9 is mounted on the purlin support surface 2a of the support metal fitting 2 of the roof repair metal fitting 1 and mounted and fixed with a stopper (not shown) or the like, and a new roof is formed on the purlin material 9. When the material 8 is attached with a roof material fixing bolt or the like, the roof repair structure of the present invention is completed. As the new roofing material 9, a cheap and durable lightweight synthetic resin corrugated sheet or the like is preferably used, and as the main building material 9, a strong and long sheet metal or the like is preferably used.

上記のように、この屋根補修用金具１は、座金３と副座金４の各かしめ片３ｄ，４ｃを開口３ｂ，４ｂの中心部の方にかしめて既設の屋根材固定ボルト６を外側から略直角に押圧して取付けるものであるため、屋根材固定ボルト６が錆びてネジ山やネジ溝がつぶれかけているような場合でも、確実かつ強固に屋根補修用金具１を取付けることができる。しかも、座金引き上げ用ネジ５，５を座金３のネジ孔３ｃ，３ｃにねじ込むだけで極く簡単に取付けることができ、座金引き上げ用ネジ５，５をねじ込めばねじ込むほど、座金３や副座金４のかしめ片３ｄ，４ｃが開口３ｂ，４ｂの中心部の方へ大きくかしめられて屋根材固定ボルト６を強く押圧し、一層強固に取付けることができる。従って、このような屋根補修用金具１を用いた屋根補修構造は、支持金具２の母屋材支持面２ａに母屋材９を介して張り付けられた新たな屋根材８に風圧等が作用しても、屋根補修用金具１がガタついたり、屋根材固定ボルト６から外れたりする心配がなく、施工性も良好である。   As described above, the roof repair metal fitting 1 has the caulking pieces 3d and 4c of the washer 3 and the auxiliary washer 4 caulked toward the center of the openings 3b and 4b, and the existing roofing material fixing bolt 6 is substantially omitted from the outside. Since the mounting is performed by pressing at a right angle, even when the roof material fixing bolt 6 is rusted and the thread and the groove are being crushed, the roof repair fitting 1 can be securely and firmly attached. Moreover, it is possible to mount the washer lifting screws 5 and 5 simply by screwing them into the screw holes 3c and 3c of the washer 3, and as the screws 5 and 5 for washer lifting are screwed in, the washers 3 and the sub washers are screwed in. The four caulking pieces 3d and 4c are caulked greatly toward the central portions of the openings 3b and 4b to strongly press the roofing material fixing bolts 6 and can be attached more firmly. Therefore, such a roof repair structure using the roof repair metal fitting 1 is such that even if wind pressure or the like acts on the new roof material 8 attached to the main material support surface 2a of the support metal fitting 2 via the main material 9. There is no worry that the roof repair metal fitting 1 is rattled or detached from the roof material fixing bolt 6, and the workability is also good.

尚、上記の副座金４を省略して、支持金具２と、座金３と、座金引き上げ用ネジ５，５とで屋根補修用金具１を構成し、座金３のかしめ片３ｄで屋根材固定ボルト６を外側から押圧して取付固定してもよく、その場合も屋根補修用金具１を強固に取付けることができる。けれども、上記実施形態の屋根補修用金具１のように副座金４を組み込めば、座金３と副座金４の両方のかしめ片３ｄ，４ｃで屋根材固定ボルト６を二重に押圧して、屋根補修用金具１の取付強度を更に高めることができるので、極めて好ましい。   Note that the sub-washer 4 is omitted, and the support fitting 2, the washer 3, and the washer lifting screws 5 and 5 constitute the roof repair fitting 1, and the caulking piece 3d of the washer 3 is the roof material fixing bolt. 6 may be pressed and fixed from the outside, and in this case, the roof repair fitting 1 can be firmly attached. However, if the sub washer 4 is assembled like the roof repair metal fitting 1 of the above embodiment, the roof material fixing bolt 6 is pressed twice by the caulking pieces 3d and 4c of both the washer 3 and the sub washer 4, and the roof is fixed. Since the attachment strength of the repair metal fitting 1 can be further increased, it is extremely preferable.

図４は本発明の他の実施形態に係る屋根補修用金具の分解斜視図、図５は同屋根補修用金具を用いた本発明の屋根補修構造を示す横断面図、図６は同屋根補修用金具を用いた本発明の屋根補修構造を示す縦断面図である。   FIG. 4 is an exploded perspective view of a roof repair metal fitting according to another embodiment of the present invention, FIG. 5 is a cross-sectional view showing the roof repair structure of the present invention using the roof repair metal fitting, and FIG. It is a longitudinal cross-sectional view which shows the roof repair structure of this invention using the metal fittings.

この屋根補修用金具１０も、支持金具２０と、座金３と、副座金４と、２本の座金引き上げ用ネジ５，５とで構成されたものであるが、支持金具２０が前記の支持金具２と異なっている。即ち、この支持金具２０は、母屋材支持面２ａの中心線上に溝形の凹部２ｇが形成されており、この溝形の凹部２ｇの中心に屋根材固定ボルト６を挿通するボルト挿通孔２ｅが穿孔されると共に、その前後に座金引き上げ用ネジ５，５を挿通する２つのネジ挿通孔２ｆ，２ｆが穿孔されている。そして、この支持金具２０の左右の支持脚部２ｂ，２ｂの下端部は外側斜め下方へ折り曲げられて位置決め片２ｈ，２ｈが形成されており、図５に示すように既設の波形屋根材７の山部７ａを跨いでその両側の谷部７ｂ，７ｂに支持金具２０の左右の支持脚部２ｂ，２ｂを載置すると、位置決め片２ｈ，２ｈが波形屋根材７の斜面に当接して、支持金具２０が左右に動かないようになっている。   The roof repair metal fitting 10 is also composed of a support metal fitting 20, a washer 3, a sub washer 4, and two washer lifting screws 5 and 5. The support metal fitting 20 is the above-mentioned support metal fitting. 2 and different. That is, the support fitting 20 has a groove-shaped recess 2g formed on the center line of the purlin support surface 2a, and a bolt insertion hole 2e through which the roof material fixing bolt 6 is inserted in the center of the groove-shaped recess 2g. In addition to being drilled, two screw insertion holes 2f and 2f through which the washer lifting screws 5 and 5 are inserted are drilled before and after the hole. And the lower end parts of the left and right support legs 2b, 2b of the support bracket 20 are bent obliquely outward and downward to form positioning pieces 2h, 2h. As shown in FIG. When the left and right support legs 2b, 2b of the support bracket 20 are placed on the valleys 7b, 7b on both sides of the mountain 7a, the positioning pieces 2h, 2h abut against the slope of the corrugated roofing material 7 and support The metal fitting 20 is prevented from moving left and right.

座金３、副座金４、座金引き上げ用ネジ５，５は、前記の屋根補修用金具１のそれらと同じものであるから、図４、図５、図６において同一部分に同一符号を付して説明を省略する。尚、この屋根補修用金具１０においても、副座金４の省略は可能である。   The washers 3, the sub washers 4, and the washers lifting screws 5 and 5 are the same as those of the roof repair metal fitting 1, and therefore the same reference numerals are given to the same portions in FIGS. 4, 5, and 6. Description is omitted. In this roof repair fitting 10, the auxiliary washer 4 can be omitted.

このような屋根補修用金具１０は、次の要領で強固に取付けられる。即ち、座金３を支持金具２０の凹部２ｇに沿う向きにして、座金３の開口３ｂ（かしめ片３ｄの先端間）に屋根材固定ボルト６を挿通すると共に、その上に副座金４を重ねて屋根材固定ボルト６を副座金４の開口４ｂ（かしめ片４ｃの先端間）に挿通し、更にその上から支持金具１０を被せて屋根材固定ボルト６を支持金具のボルト挿通孔２ｅに挿通する。そして、図６に示すように、支持金具２０の２つのネジ挿通孔２ｆ，２ｆから座金３の２つのネジ孔３ｃ，３ｃに２本の座金引き上げネジ５，５をねじ込んで座金３を引き上げ、副座金４の複数のかしめ片４ｃと座金３の複数のかしめ片３ｄを支持金具２の凹部２ｇの下面に圧接させて開口４ｂ，３ｂの中心部の方にかしめると、各かしめ片４ｃ，３ｄの先端が屋根材固定ボルト６を外側から略直角に押圧し、屋根補修用金具１０が強固に取付けられる。そして、この屋根補修用金具１０の支持金具２の母屋材支持面２ａに母屋材９を横架して止具（不図示）等で固定し、更に、この母屋材９の上に新たな屋根材８を屋根材固定ボルト等で張り付けると、図５，図６に示す屋根補修構造が完成する。   Such a roof repair metal fitting 10 is firmly attached in the following manner. That is, the washer 3 is oriented along the recess 2g of the support fitting 20, and the roof material fixing bolt 6 is inserted into the opening 3b (between the tips of the caulking pieces 3d) of the washer 3, and the auxiliary washer 4 is stacked thereon. The roofing material fixing bolt 6 is inserted into the opening 4b of the auxiliary washer 4 (between the tips of the caulking pieces 4c), and the roofing material fixing bolt 6 is inserted into the bolting hole 2e of the supporting material by covering the supporting material 10 from above. . Then, as shown in FIG. 6, the two washer lifting screws 5, 5 are screwed into the two screw holes 3 c, 3 c of the washer 3 from the two screw insertion holes 2 f, 2 f of the support fitting 20, and the washer 3 is pulled up, When the plurality of caulking pieces 4c of the sub washer 4 and the plurality of caulking pieces 3d of the washer 3 are pressed against the lower surface of the concave portion 2g of the support fitting 2 and caulked toward the center of the openings 4b and 3b, the caulking pieces 4c, The tip of 3d presses the roof material fixing bolt 6 from the outside at a substantially right angle, and the roof repair fitting 10 is firmly attached. Then, a purlin material 9 is horizontally mounted on the purlin support surface 2a of the support metal fitting 2 of the roof repair metal fitting 10 and fixed with a stopper (not shown), and a new roof is formed on the purlin material 9. When the material 8 is attached with a roof material fixing bolt or the like, the roof repair structure shown in FIGS. 5 and 6 is completed.

以上のような屋根補修用金具１０を使用した屋根補修構造も、前記の屋根補修用金具１を使用した屋根補修構造と同様の作用効果が得られることは言うまでもない。   Needless to say, the roof repair structure using the roof repair metal fitting 10 as described above can achieve the same operational effects as the roof repair structure using the roof repair metal fitting 1 described above.

本発明の一実施形態に係る屋根補修用金具の分解斜視図である。It is a disassembled perspective view of the metal fitting for roof repair which concerns on one Embodiment of this invention. 座金引き上げネジをねじ込む前の同屋根補修用金具の取付状態を示す横断面図である。It is a cross-sectional view which shows the attachment state of the metal fitting for roof repair before screwing a washer raising screw. 同屋根補修用金具を用いた本発明の屋根補修構造を示す横断面図である。It is a cross-sectional view which shows the roof repair structure of this invention using the metal fitting for roof repair. 本発明の他の実施形態に係る屋根補修用金具の分解斜視図である。It is a disassembled perspective view of the metal fitting for roof repair which concerns on other embodiment of this invention. 同屋根補修用金具を用いた本発明の屋根補修構造を示す横断面図である。It is a cross-sectional view which shows the roof repair structure of this invention using the metal fitting for roof repair. 同屋根補修用金具を用いた本発明の屋根補修構造を示す縦断面図である。It is a longitudinal cross-sectional view which shows the roof repair structure of this invention using the metal fitting for roof repair.

符号の説明Explanation of symbols

１、１０ 屋根補修用金具
２ 支持金具
２ａ 母屋材支持面
２ｂ 支持脚部
２ｄ，２ｇ 凹部
２ｅ ボルト挿通孔
２ｆ ネジ挿通孔
３ 座金
４ 副座金
３ｂ，４ｂ 開口
３ｃ ネジ孔
３ｄ，４ｃ かしめ片
４ 副座金
５ 座金引き上げ用ネジ
６ 屋根材固定ボルト
７ 既設の波形屋根材
７ａ 山部
７ｂ 谷部
８ 新たな屋根材
９ 母屋材 DESCRIPTION OF SYMBOLS 1,10 Roof repair bracket 2 Support bracket 2a Purlin support surface 2b Support leg 2d, 2g Recess 2e Bolt insertion hole 2f Screw insertion hole 3 Washer 4 Sub washer 3b, 4b Opening 3c Screw hole 3d, 4c Caulking piece 4 Sub Washer 5 Screw for raising washer 6 Roof material fixing bolt 7 Existing corrugated roof material 7a Mountain portion 7b Valley portion 8 New roof material 9 Main building material

Claims (6)

既設の波形屋根材の上に新たな屋根材を張り付けるための母屋材を支持する屋根補修用金具であって、
既設の波形屋根材から上方へ突出している屋根材固定ボルトを挿通するボルト挿通孔と座金引き上げ用ネジを挿通する複数のネジ挿通孔が形成された凹部を有する母屋材支持面と、この母屋材支持面の両端から下方へ折り曲げられて形成された一対の支持脚部とからなる支持金具と、
屋根材固定ボルトを挿通する開口と座金引き上げ用ネジをねじ込む複数のネジ孔が形成され、開口の口縁部から中心部上方に向かって斜めに突き出す複数のかしめ片が、屋根材固定ボルトのネジ山径よりもわずかに大きいかしめ片先端間の間隔を有するように形成された座金と、
支持金具のネジ挿通孔から座金のネジ孔にねじ込んで座金を引き上げる複数本の座金引き上げ用ネジと、
を具備したことを特徴とする屋根補修用金具。 A roof repair bracket that supports a main building material for attaching a new roof material on an existing corrugated roof material,
A purlin support surface having a recess in which a bolt insertion hole for inserting a roof material fixing bolt projecting upward from an existing corrugated roof material and a plurality of screw insertion holes for inserting a screw for lifting a washer are formed, and the main material A support fitting comprising a pair of support legs formed by bending downward from both ends of the support surface;
Opening through which the roofing material fixing bolt is inserted and a plurality of screw holes into which the screws for raising the washer are screwed, and a plurality of caulking pieces protruding obliquely upward from the mouth edge of the opening toward the center part are screws of the roofing material fixing bolt A washer formed so as to have a gap between the tip ends of the caulking pieces slightly larger than the crest diameter;
A plurality of screws for lifting the washer by screwing into the screw hole of the washer from the screw insertion hole of the support bracket,
A roof repair metal fitting characterized by comprising: 支持金具と座金との間に介在される副座金であって、屋根材固定ボルトを挿通する開口の口縁部から中心部上方に向かって斜めに突き出す複数のかしめ片が、屋根材固定ボルトのネジ山径よりもわずかに大きいかしめ片先端間の間隔を有するように形成された副座金を、更に具備した請求項１に記載の屋根補修用金具。   A sub washer interposed between the support bracket and the washer, and a plurality of caulking pieces protruding obliquely upward from the rim of the opening through which the roof material fixing bolt is inserted are formed on the roof material fixing bolt. The roof repair bracket according to claim 1, further comprising a sub washer formed so as to have a space between the front ends of the caulking pieces slightly larger than the thread diameter. 開口の口縁部から中心部上方に向かって４つのかしめ片が斜めに突き出している請求項１又は請求項２に記載の屋根補修用金具。   The roof repair metal fitting according to claim 1 or 4, wherein four caulking pieces protrude obliquely from the mouth edge of the opening toward the upper center. かしめ片の先端側の傾斜角が徐々に小さくなるように、かしめ片の先端側が湾曲している請求項１ないし請求項３のいずれかに記載の屋根補修用金具。   The roof repair metal fitting according to any one of claims 1 to 3, wherein the front end side of the caulking piece is curved so that the inclination angle on the front end side of the caulking piece is gradually reduced. 請求項１に記載の屋根補修用金具を用いた屋根補修構造であって、座金の開口に既設の波形屋根材から上方へ突出している屋根材固定ボルトが挿通され、その上から被せられた支持金具のボルト挿通孔に屋根材固定ボルトが挿通されると共に、支持金具の支持脚部が既設の波形屋根材の谷部に載置され、支持金具の複数のネジ挿通孔から座金の複数のネジ孔にそれぞれねじ込まれた複数本の座金引き上げ用ネジによって引き上げられた座金の複数のかしめ片が、支持金具の凹部の下面に圧接して座金の開口の中心部の方にかしめられ、各かしめ片の先端が屋根材固定ボルトを外側から押圧することで屋根補修用金具が取付固定されており、この屋根補修用金具の支持金具の母屋材支持面に、新たな屋根材を張り付けるための母屋材が取付けられていることを特徴とする屋根補修構造。   A roof repair structure using the roof repair bracket according to claim 1, wherein a roof material fixing bolt protruding upward from an existing corrugated roof material is inserted into an opening of a washer, and the support is covered from above. The roof material fixing bolt is inserted into the bolt insertion hole of the metal fitting, and the support leg of the support metal fitting is placed in the valley of the existing corrugated roof material, and the plurality of screws of the washer from the plurality of screw insertion holes of the support metal fitting. A plurality of crimping pieces of the washer pulled up by a plurality of screws for lifting the washer respectively screwed into the holes are pressed against the lower surface of the concave portion of the support bracket and are crimped toward the center of the opening of the washer. The roof repair metal fitting is attached and fixed by pressing the roof material fixing bolt from the outside at the tip of the roof, and the main building for attaching the new roof material to the main material support surface of the support metal fitting of this roof repair metal fitting The material is attached Roof repair structure, characterized in that is. 請求項２に記載の副座金が支持金具と座金との間に介在されて、屋根材固定ボルトが副座金の開口に挿通され、副座金の複数のかしめ片も開口の中心部の方にかしめられて、各かしめ片の先端が屋根材固定ボルトを外側から押圧している請求項５に記載の屋根補修構造。   The auxiliary washer according to claim 2 is interposed between the support fitting and the washer, the roof material fixing bolt is inserted into the opening of the auxiliary washer, and the plurality of caulking pieces of the auxiliary washer are also caulked toward the center of the opening. The roof repair structure according to claim 5, wherein the end of each caulking piece presses the roof material fixing bolt from the outside.
JP2006353739A 2006-12-28 2006-12-28 Roof repair bracket and roof repair structure using the same Active JP4993348B2 (en)

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