JP4082828B2 - Fixing bracket and building foundation structure using the same - Google Patents

Fixing bracket and building foundation structure using the same Download PDF

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Publication number
JP4082828B2
JP4082828B2 JP26358799A JP26358799A JP4082828B2 JP 4082828 B2 JP4082828 B2 JP 4082828B2 JP 26358799 A JP26358799 A JP 26358799A JP 26358799 A JP26358799 A JP 26358799A JP 4082828 B2 JP4082828 B2 JP 4082828B2
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Prior art keywords
beads
plate portions
square tube
metal square
fixing
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JP2001090210A (en
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隆夫 佐藤
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株式会社佐藤型鋼製作所
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Description

【0001】
【発明が属する技術分野】
本願発明は、鉄骨建築物の下地構造において用いられる固定金具およびこれを用いた建造物用下地構造に関するものである。
【0002】
【従来の技術】
鉄骨建築物の下地構造としては、鋼製の構造部材(例えば、H型鋼等)にボルト挿通穴を形成したアングルピースを溶接固定し、軽量型鋼(例えば、リップ溝型鋼等)にボルト穴をあけ、前記アングルピースのボルト挿通穴および軽量型鋼のボルト穴を介してボルトにより締め付け固定するようにしたものが一般的であった。このような構造のものでは、重量がかさむこととなり、特に屋根の下地構造として利用することが難しいという問題があった。
【0003】
ところで、薄板鋼板を使用した金属製四角筒が開発され、これを用いた下地構造が提案されるようになっている。
【0004】
【発明が解決しようとする課題】
ところが、上記した金属製四角筒の場合、薄板鋼板で構成されているため、従来の軽量型鋼と同様に、アングルピースを用いたボルト締め付けとすると、締め付け部分が変形を起こすおそれがある。
【0005】
本願発明は、上記の点に鑑みてなされたもので、金属製四角筒を構造部材に固定するために最適な固定金具を提供することを第1の目的とし、このような固定金具を用いて低コストで頑丈な建造物用下地構造を提供することを第2の目的とするものである。
【0006】
【課題を解決するための手段】
請求項1の発明にかかる固定金具では、上記課題を解決するための手段として、構造部材1に溶接固定される基板部3aと、該基板部3aの両端から直角に屈曲して同方向に延び且つ金属製四角筒2の側面2aを抱持する一対の固定板部3b.3bとからなり、該両固定板部3b.3bにおける相対向する位置に、該固定板部3b.3bの延設方向に延びる外向きのビード4,4をそれぞれ形成するとともに、該両ビード4,4に、前記金属製四角筒2の側面2aを貫通するボルト5が挿通され、該ビード4,4の延設方向を長径とする長穴6,6をそれぞれ形成している。
【0007】
上記のように構成したことにより、剛性が強化されたビード4,4に形成された長穴6,6に挿通されて金属製四角筒2の側面2aを貫通したボルト5の締め付け力により両固定板部3b.3bが金属製四角筒2の側面2aに圧接されることとなる。従って、金属製四角筒2の側面2aの変形を防止した強固な固定構造が得られる。また、長穴6,6に挿通されたボルト5により固定できるため、構造部材1の溶接部位に不陸部分(即ち、構造部材1自体の凹凸、ひねりあるいは加工上の不手際等により生ずる変形)が発生していた場合にも、位置調整が簡単に行える。
【0008】
請求項2の発明におけるように、請求項1記載の固定金具において、前記両固定板部3b.3bにおける前記ビード4,4の両側に、ビス穴7,8を形成した場合、金属製四角筒2を延長接続するときに、ビス穴7,8を介してビス固定を容易に行うことができる。
【0009】
請求項3の発明にかかる建造物用下地構造では、上記課題を解決するための手段として、多数平行に配置された構造部材1,1・・と、該構造部材1,1・・に直交するように多数平行に配置された金属製四角筒2,2・・と、該金属製四角筒2,2・・と前記構造部材1,1・・とを結合する固定金具3,3・・とを備えた建造物用下地構造において、前記各固定金具3を、前記構造部材1に溶接固定される基板部3aと、該基板部3aの両端から直角に屈曲して同方向に延び且つ前記金属製四角筒2の側面2aを抱持する一対の固定板部3b.3bとにより構成するとともに、該両固定板部3b.3bにおける相対向する位置に、該固定板部3b.3bの延設方向に延びる外向きのビード4,4をそれぞれ形成し且つ該両ビード4,4に、前記金属製四角筒2の側面2aを貫通するボルト5が挿通され、該ビード4,4の延設方向を長径とする長穴6,6をそれぞれ形成している。
【0010】
上記のように構成したことにより、構造部材1に金属製四角筒2を固定するに当たって、剛性が強化されたビードに形成された長穴6,6に挿通されて金属製四角筒2の側面2aを貫通したボルト5の締め付け力により両固定板部3b.3bが金属製四角筒2の側面2aに圧接されることとなる。従って、金属製四角筒2の側面2aの変形を防止した強固な固定構造が得られる。また、長穴6,6に挿通されたボルト5により固定できるため、構造部材1の溶接部位に不陸部分(即ち、構造部材1自体の凹凸、ひねりあるいは加工上の不手際等により生ずる変形)が発生していた場合にも、位置調整が簡単に行える。
【0011】
請求項4の発明におけるように、請求項3記載の固定金具において、前記両固定板部3b.3bにおける前記ビード4,4の両側に、ビス穴7,8を形成した場合、金属製四角筒2,2を延長接続するときに、ビス穴7,8を介してビス固定を容易に行うことができる。
【0012】
【発明の実施の形態】
以下、添付の図面を参照して本願発明の好適な実施の形態について詳述する。
【0013】
この建造物用下地構造は、屋根の下地構造であって、図1に示すように、屋根構造を支えるべく所定間隔で配置されたH型鋼からなる構造部材1,1・・上に金属製四角柱2,2・・を軒先から棟に向かって所定間隔で並べ、これらの金属製四角柱2,2・・を前記構造部材1,1・・に対して後述する固定金具3,3・・により固定するようにしている。
【0014】
前記各固定金具3は、図2ないし図4に示すように、前記構造部材1に溶接固定される基板部3aと、該基板部3aの両端から直角に屈曲して同方向に延び且つ金属製四角筒2の側面2a,2aを抱持する一対の固定板部3b.3bとからなっており、該両固定板部3b.3bにおける相対向する位置(即ち、幅方向中央部)には、該固定板部3b.3bの延設方向に延びる外向きのビード4,4がそれぞれ形成され且つ該両ビード4,4には、前記金属製四角筒2の側面2a,2aを貫通するボルト5が挿通され、該ビード4,4の延設方向を長径とする長穴6,6がそれぞれ形成されている。該長穴6,6の位置は、前記固定板部3b.3bで金属製四角筒2を抱持した状態において該金属製四角筒2の側面2a,2aの略中央部に対応する位置とするのが望ましい。また、前記両固定板部3b.3bにおける前記ビード4,4の両側には、3個づつのビス穴7,7,7および8,8,8が前記ビード4,4の延設方向に並んで形成されている。
【0015】
なお、前記各金属製四角筒2は、図3および図4に示すように、所定の幅に切断された金属板をその両端がコーナの一点において接するように四角筒状に折曲して構成されており、前記金属板の一方の端部には、前記金属製四角筒2の内側に折曲され、さらにその先端部が外側に向かって折曲されてなる逆J字状折曲部10が設けられ、前記金属板の他方の端部には、内側に逆U字状に折曲されてなる逆U字状折曲部11が設けられており、両者を連続して嵌合圧着せしめて上下方向に連続するコーナ型接続部9として成形されている。
【0016】
上記構成の固定金具3を用いた建造物用下地構造について説明する。
【0017】
まず、前述したように、屋根構造を支えるべく所定間隔で配置された構造部材1,1・・上の所定位置に前記固定金具3,3・・の基板部3a,3a・・を溶接により固定する。そして、前記各固定金具3における固定板部3b.3bに対して金属製四角筒2を挿入する。なお、金属製四角筒2の側面2a,2aには、予めボルト挿通用のバカ穴12,12が形成されている。
【0018】
上記状態において、前記固定板部3b.3bのビード4,4に形成された長穴6,6の一方から前記バカ穴12,12および他方の長穴6を貫通させてボルト5を挿入し、該ボルト5の他端にナット13を螺着することにより締め付け固定する。符号14はワッシャである。
【0019】
上記のように構成したことにより、剛性が強化されたビード4,4に形成された長穴6,6に挿通されて金属製四角筒2の側面2a,2aを貫通したボルト5の締め付け力により両固定板部3b.3bが金属製四角筒2の側面2a,2aに圧接されることとなる。従って、金属製四角筒2の側面2a,2aの変形を防止した強固な固定構造が得られる。また、長穴6,6に挿通されたボルト5により固定できるため、構造部材1の溶接部位に不陸部分(即ち、構造部材1自体の凹凸、ひねりあるいは加工上の不手際等により生ずる変形)が発生していた場合にも、位置調整が簡単に行える。
【0020】
ところで、金属製四角筒2,2を延長接続する場合には、図5に示すように、両金属製四角筒2,2の端部を突き合わせ状態として固定金具3の固定板部3b.3bに挿入し、一方の金属製四角筒2の端部にボルト5を貫通させて締め付け固定した後、ビス穴7,7,7および8,8,8からビス15,15・・をねじ込むことにより両金属製四角筒2,2が延長接続される。
【0021】
上記実施の形態においては、屋根の下地構造を例としているが、この固定金具は、外壁用の下地構造等の建造物用下地構造にも利用できることは勿論である。
【0022】
また、金属製四角筒も、薄板鋼板からなる四角筒であれば、他の構造のものを使用できることは勿論である。
【0023】
【発明の効果】
請求項1の発明にかかる固定金具によれば、構造部材1に溶接固定される基板部3aと、該基板部3aの両端から直角に屈曲して同方向に延び且つ金属製四角筒2の側面2aを抱持する一対の固定板部3b.3bとからなり、該両固定板部3b.3bにおける相対向する位置に、該固定板部3b.3bの延設方向に延びる外向きのビード4,4をそれぞれ形成するとともに、該両ビード4,4に、前記金属製四角筒2の側面2aを貫通するボルト5が挿通され、該ビード4,4の延設方向を長径とする長穴6,6をそれぞれ形成して、剛性が強化されたビード4,4に形成された長穴6,6に挿通されて金属製四角筒2の側面2aを貫通したボルト5の締め付け力により両固定板部3b.3bが金属製四角筒2の側面2aに圧接されるようにしたので、金属製四角筒2の側面2aの変形を防止した強固な固定構造が得られるという効果がある。また、長穴6,6に挿通されたボルト5により固定できるため、構造部材1の溶接部位に不陸部分(即ち、構造部材1自体の凹凸、ひねりあるいは加工上の不手際等により生ずる変形)が発生していた場合にも、位置調整が簡単に行えるという効果もある。
【0024】
請求項2の発明におけるように、請求項1記載の固定金具において、前記両固定板部3b.3bにおける前記ビード4,4の両側に、ビス穴7,8を形成した場合、金属製四角筒2を延長接続するときに、ビス穴7,8を介してビス固定を容易に行うことができる。
【0025】
請求項3の発明にかかる建造物用下地構造によれば、多数平行に配置された構造部材1,1・・と、該構造部材1,1・・に直交するように多数平行に配置された金属製四角筒2,2・・と、該金属製四角筒2,2・・と前記構造部材1,1・・とを結合する固定金具3,3・・とを備えた建造物用下地構造において、前記各固定金具3を、前記構造部材1に溶接固定される基板部3aと、該基板部3aの両端から直角に屈曲して同方向に延び且つ前記金属製四角筒2の側面2aを抱持する一対の固定板部3b.3bとにより構成するとともに、該両固定板部3b.3bにおける相対向する位置に、該固定板部3b.3bの延設方向に延びる外向きのビード4,4をそれぞれ形成し且つ該両ビード4,4に、前記金属製四角筒2の側面2aを貫通するボルト5が挿通され、該ビード4,4の延設方向を長径とする長穴6,6をそれぞれ形成して、構造部材1に金属製四角筒2を固定するに当たって、剛性が強化されたビードに形成された長穴6,6に挿通されて金属製四角筒2の側面2aを貫通したボルト5の締め付け力により両固定板部3b.3bが金属製四角筒2の側面2aに圧接されるようにしたので、金属製四角筒2の側面2aの変形を防止した強固な固定構造が得られるという効果がある。また、長穴6,6に挿通されたボルト5により固定できるため、構造部材1の溶接部位に不陸部分(即ち、構造部材1自体の凹凸、ひねりあるいは加工上の不手際等により生ずる変形)が発生していた場合にも、位置調整が簡単に行えるという効果もある。
【0026】
請求項4の発明におけるように、請求項3記載の固定金具において、前記両固定板部3b.3bにおける前記ビード4,4の両側に、ビス穴7,8を形成した場合、金属製四角筒2,2を延長接続するときに、ビス穴7,8を介してビス固定を容易に行うことができる。
【図面の簡単な説明】
【図1】本願発明の実施の形態にかかる建造物用下地構造(例えば、屋根用下地構造)の要部を示す斜視図である。
【図2】本願発明の実施の形態にかかる固定金具の拡大斜視図である。
【図3】本願発明の実施の形態にかかる建造物用下地構造の要部を示す拡大斜視図である。
【図4】図3のIV−IV断面図である。
【図5】本願発明の実施の形態にかかる建造物用下地構造の要部(金属製四角筒の延長接続部)を示す拡大斜視図である。
【符号の説明】
1は構造部材、2は金属製四角筒、3は固定金具、3aは基板部、3bは固定板部、4はビード、5はボルト、6は長穴、7,8はビス穴。
[0001]
[Technical field to which the invention belongs]
The present invention relates to a fixing bracket used in a base structure of a steel building and a base structure for a building using the same.
[0002]
[Prior art]
As the foundation structure of a steel building, an angle piece with bolt insertion holes formed on a steel structural member (for example, H-shaped steel) is fixed by welding, and a bolt hole is drilled in a lightweight steel (for example, lip groove type steel). In general, the angle piece is fastened and fixed by a bolt through the bolt insertion hole of the angle piece and the bolt hole of the lightweight steel. With such a structure, the weight increases, and there is a problem that it is particularly difficult to use as a base structure of a roof.
[0003]
By the way, a metal square tube using a thin steel plate has been developed, and an underlying structure using this has been proposed.
[0004]
[Problems to be solved by the invention]
However, in the case of the above-described metal square tube, since it is composed of a thin steel plate, the bolted portion using an angle piece may cause deformation of the tightening portion as in the conventional lightweight steel.
[0005]
The present invention has been made in view of the above points. The first object of the present invention is to provide an optimal fixing bracket for fixing a metal square tube to a structural member. A second object is to provide a low-cost and strong foundation structure for buildings.
[0006]
[Means for Solving the Problems]
In the fixing bracket according to the first aspect of the present invention, as means for solving the above-mentioned problems, the substrate portion 3a welded and fixed to the structural member 1 is bent at right angles from both ends of the substrate portion 3a and extends in the same direction. And a pair of fixed plate portions 3b for holding the side surface 2a of the metal square tube 2. 3b, and both the fixing plate portions 3b. 3b. The fixed plate portion 3b. 3b, outwardly extending beads 4 and 4 extending in the extending direction are respectively formed, and bolts 5 penetrating the side surface 2a of the metal rectangular tube 2 are inserted into the beads 4 and 4, respectively. Long holes 6 and 6 each having a long diameter in the extending direction of 4 are formed.
[0007]
By being configured as described above, both the bolts 5 are fixed by tightening force of the bolts 5 inserted through the long holes 6 and 6 formed in the beads 4 and 4 having enhanced rigidity and penetrating the side surface 2a of the metal rectangular tube 2. Plate portion 3b. 3b is brought into pressure contact with the side surface 2a of the metal square tube 2. Therefore, a strong fixing structure that prevents the deformation of the side surface 2a of the metal square tube 2 is obtained. Moreover, since it can fix with the volt | bolt 5 inserted in the elongate holes 6 and 6, the uneven part (namely, deformation | transformation which arises by the unevenness | corrugation of the structural member 1 itself, a twist, or the trouble of processing etc.) in the welding part of the structural member 1 is possible. Even if it occurs, the position can be easily adjusted.
[0008]
As in the invention of claim 2, in the fixing bracket of claim 1, the two fixing plate portions 3b. When screw holes 7 and 8 are formed on both sides of the beads 4 and 4 in 3b, screws can be easily fixed via the screw holes 7 and 8 when the metal square tube 2 is extended and connected. .
[0009]
In the building ground structure according to the invention of claim 3, as means for solving the above-mentioned problems, a large number of the structural members 1, 1,... Arranged in parallel and orthogonal to the structural members 1, 1,. And the metal rectangular tubes 2, 2... Arranged in parallel to each other, and the fixing brackets 3, 3,... For connecting the metal square tubes 2, 2,. In the foundation structure for a building having the above structure, each of the fixing brackets 3 is welded and fixed to the structural member 1 and is bent at right angles from both ends of the board portion 3a and extends in the same direction. A pair of fixed plate portions 3b for holding the side surface 2a of the rectangular tube 2; 3b and the two fixing plate portions 3b. 3b. The fixed plate portion 3b. 3b, outwardly extending beads 4 and 4 extending in the extending direction are formed, and bolts 5 penetrating the side surface 2a of the metal rectangular tube 2 are inserted into the beads 4 and 4, respectively. The long holes 6 and 6 having a long diameter in the extending direction are respectively formed.
[0010]
With the configuration described above, when fixing the metal square tube 2 to the structural member 1, the side surface 2a of the metal square tube 2 is inserted into the long holes 6 and 6 formed in the bead having enhanced rigidity. Both fixing plate portions 3b. 3b is brought into pressure contact with the side surface 2a of the metal square tube 2. Therefore, a strong fixing structure that prevents the deformation of the side surface 2a of the metal square tube 2 is obtained. Moreover, since it can fix with the volt | bolt 5 inserted in the elongate holes 6 and 6, the uneven part (namely, deformation | transformation which arises by the unevenness | corrugation of the structural member 1 itself, a twist, or the trouble of processing etc.) in the welding part of the structural member 1 is possible. Even if it occurs, the position can be easily adjusted.
[0011]
As in the invention of claim 4, in the fixing bracket of claim 3, the two fixing plate portions 3b. When screw holes 7 and 8 are formed on both sides of the beads 4 and 4 in 3b, the screws can be easily fixed through the screw holes 7 and 8 when the metal rectangular tubes 2 and 2 are extended and connected. Can do.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0013]
This building foundation structure is a roof foundation structure, and as shown in FIG. 1, four metal parts are placed on the structural members 1, 1... Made of H-shaped steel arranged at predetermined intervals to support the roof structure. The prisms 2, 2,... Are arranged at predetermined intervals from the eaves to the ridge, and the metal square columns 2, 2,... Are fixed to the structural members 1, 1,. It is fixed by.
[0014]
As shown in FIGS. 2 to 4, each of the fixing brackets 3 includes a base plate portion 3 a that is welded and fixed to the structural member 1, is bent at right angles from both ends of the base plate portion 3 a, extends in the same direction, and is made of metal. A pair of fixed plate portions 3b for holding the side surfaces 2a, 2a of the rectangular tube 2. 3b, and both the fixing plate portions 3b. 3b, the fixed plate portion 3b. An outwardly extending bead 4, 4 extending in the extending direction of 3 b is formed, and a bolt 5 penetrating the side surfaces 2 a, 2 a of the metal square tube 2 is inserted into both of the beads 4, 4. Long holes 6 and 6 having a long diameter in the extending direction of 4 and 4 are formed. The positions of the long holes 6 and 6 are the positions of the fixing plate portions 3b. In a state where the metal square tube 2 is held by 3b, it is desirable that the metal square tube 2 has a position corresponding to the substantially central portion of the side surfaces 2a and 2a. Further, the both fixing plate portions 3b. Three screw holes 7, 7, 7 and 8, 8, 8 are formed side by side in the extending direction of the beads 4, 4 on both sides of the beads 4, 4 in 3b.
[0015]
Each of the metal square tubes 2 is formed by bending a metal plate cut into a predetermined width into a square tube shape so that both ends thereof are in contact at one point of a corner, as shown in FIGS. An inverted J-shaped bent portion 10 is formed by bending one end portion of the metal plate to the inside of the metal square tube 2 and further bending the tip portion to the outside. The other end portion of the metal plate is provided with an inverted U-shaped bent portion 11 which is bent in an inverted U shape on the inner side, and is continuously fitted and crimped. Thus, it is formed as a corner type connecting portion 9 continuous in the vertical direction.
[0016]
The foundation structure for buildings using the fixture 3 having the above-described configuration will be described.
[0017]
First, as described above, the substrate portions 3a, 3a,... Of the fixing brackets 3, 3,... Are fixed by welding at predetermined positions on the structural members 1, 1.. To do. And the fixing plate part 3b. The metal square tube 2 is inserted into 3b. In addition, in the side surfaces 2a and 2a of the metal square tube 2, bolt holes 12 and 12 for inserting bolts are formed in advance.
[0018]
In the above state, the fixed plate portion 3b. A bolt 5 is inserted from one of the long holes 6 and 6 formed in the beads 4 and 3b of the 3b through the hole 12 and 12 and the other long hole 6, and a nut 13 is inserted into the other end of the bolt 5. Fastened and fixed by screwing. Reference numeral 14 denotes a washer.
[0019]
With the above configuration, the tightening force of the bolt 5 inserted through the long holes 6 and 6 formed in the beads 4 and 4 having enhanced rigidity and penetrating through the side surfaces 2a and 2a of the metal square tube 2 is used. Both fixed plate portions 3b. 3b is brought into pressure contact with the side surfaces 2a, 2a of the metal square tube 2. Therefore, a strong fixing structure that prevents the deformation of the side surfaces 2a, 2a of the metal square tube 2 is obtained. Moreover, since it can fix with the volt | bolt 5 inserted in the elongate holes 6 and 6, the uneven part (namely, deformation | transformation which arises by the unevenness | corrugation of the structural member 1 itself, a twist, or the trouble of processing etc.) in the welding part of the structural member 1 is possible. Even if it occurs, the position can be easily adjusted.
[0020]
By the way, when the metal square tubes 2 and 2 are extended and connected, as shown in FIG. 5, the end portions of both metal square tubes 2 and 2 are brought into a butted state, and the fixing plate portions 3 b. After inserting the bolt 5 into the end of one metal square tube 2 and tightening and fixing it, screws 15, 15... Are screwed into the screw holes 7, 7, 7 and 8, 8, 8. As a result, the two rectangular tubes 2 and 2 are extended and connected.
[0021]
In the above-described embodiment, the base structure of the roof is taken as an example, but it is needless to say that this fixing bracket can also be used for a base structure for buildings such as a base structure for an outer wall.
[0022]
Of course, the metal square tube may be of other structure as long as it is a square tube made of a thin steel plate.
[0023]
【The invention's effect】
According to the fixing bracket of the first aspect of the present invention, the base plate portion 3a welded and fixed to the structural member 1 is bent at a right angle from both ends of the base plate portion 3a and extends in the same direction. A pair of fixed plate portions 3b for holding 2a. 3b, and both the fixing plate portions 3b. 3b. The fixed plate portion 3b. 3b, outwardly extending beads 4 and 4 extending in the extending direction are respectively formed, and bolts 5 penetrating the side surface 2a of the metal rectangular tube 2 are inserted into the beads 4 and 4, respectively. The long holes 6 and 6 each having a long diameter in the extending direction of 4 are formed and inserted into the long holes 6 and 6 formed in the beads 4 and 4 having enhanced rigidity, and the side surface 2a of the metal rectangular tube 2 is inserted. Both fixing plate portions 3b. Since 3b is press-contacted to the side surface 2a of the metal square tube 2, there is an effect that a strong fixing structure that prevents the deformation of the side surface 2a of the metal square tube 2 can be obtained. Moreover, since it can fix with the volt | bolt 5 inserted in the elongate holes 6 and 6, the uneven part (namely, deformation | transformation which arises by the unevenness | corrugation of the structural member 1 itself, a twist, or the trouble of processing etc.) in the welding part of the structural member 1 is possible. Even if it occurs, there is an effect that the position can be easily adjusted.
[0024]
As in the invention of claim 2, in the fixing bracket of claim 1, the two fixing plate portions 3b. When screw holes 7 and 8 are formed on both sides of the beads 4 and 4 in 3b, screws can be easily fixed via the screw holes 7 and 8 when the metal square tube 2 is extended and connected. .
[0025]
According to the building foundation structure of the third aspect of the present invention, a large number of the structural members 1, 1... Are arranged in parallel so as to be orthogonal to the structural members 1, 1. A base structure for a building comprising metal square tubes 2, 2,..., And metal fittings 3, 3,... For joining the metal square tubes 2, 2,. The fixing brackets 3 are welded and fixed to the structural member 1 by a board portion 3a, bent at right angles from both ends of the board portion 3a and extended in the same direction, and the side face 2a of the metal rectangular tube 2 is A pair of fixed plate portions 3b to be held. 3b and the two fixing plate portions 3b. 3b. The fixed plate portion 3b. 3b, outwardly extending beads 4 and 4 extending in the extending direction are formed, and bolts 5 penetrating the side surface 2a of the metal rectangular tube 2 are inserted into the beads 4 and 4, respectively. In order to fix the rectangular metal tube 2 to the structural member 1 by forming the long holes 6 and 6 having the long direction as the extending direction of the metal, they are inserted into the long holes 6 and 6 formed in the bead having enhanced rigidity. The two fixing plate portions 3b.. Are formed by the tightening force of the bolts 5 penetrating the side surface 2a of the metal square tube 2. Since 3b is press-contacted to the side surface 2a of the metal square tube 2, there is an effect that a strong fixing structure that prevents the deformation of the side surface 2a of the metal square tube 2 can be obtained. Moreover, since it can fix with the volt | bolt 5 inserted in the elongate holes 6 and 6, the uneven part (namely, deformation | transformation which arises by the unevenness | corrugation of the structural member 1 itself, a twist, or the trouble of processing etc.) in the welding part of the structural member 1 is possible. Even if it occurs, there is an effect that the position can be easily adjusted.
[0026]
As in the invention of claim 4, in the fixing bracket of claim 3, the two fixing plate portions 3b. When screw holes 7 and 8 are formed on both sides of the beads 4 and 4 in 3b, the screws can be easily fixed through the screw holes 7 and 8 when the metal rectangular tubes 2 and 2 are extended and connected. Can do.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a main part of a building foundation structure (for example, a roof foundation structure) according to an embodiment of the present invention.
FIG. 2 is an enlarged perspective view of a fixture according to an embodiment of the present invention.
FIG. 3 is an enlarged perspective view showing a main part of the building foundation structure according to the embodiment of the present invention.
4 is a cross-sectional view taken along the line IV-IV in FIG. 3;
FIG. 5 is an enlarged perspective view showing the main part of the building foundation structure according to the embodiment of the present invention (extended connection part of a metal square tube).
[Explanation of symbols]
1 is a structural member, 2 is a metal square tube, 3 is a fixing bracket, 3a is a base plate portion, 3b is a fixing plate portion, 4 is a bead, 5 is a bolt, 6 is a long hole, and 7 and 8 are screw holes.

Claims (4)

構造部材(1)に溶接固定される基板部(3a)と、該基板部(3a)の両端から直角に屈曲して同方向に延び且つ金属製四角筒(2)の側面(2a)を抱持する一対の固定板部(3b),(3b)とからなり、該両固定板部(3b),(3b)における相対向する位置には、該固定板部(3b),(3b)の延設方向に延びる外向きのビード(4),(4)をそれぞれ形成するとともに、該両ビード(4),(4)には、前記金属製四角筒(2)の側面(2a)を貫通するボルト(5)が挿通され、該ビード(4),(4)の延設方向を長径とする長穴(6),(6)をそれぞれ形成したことを特徴とする固定金具。A substrate portion (3a) welded and fixed to the structural member (1), and bent at right angles from both ends of the substrate portion (3a) and extending in the same direction, and holding the side surface (2a) of the metal square tube (2). It consists of a pair of fixed plate portions (3b), (3b) to be held, and the fixed plate portions (3b), (3b) are located at opposite positions in both the fixed plate portions (3b), (3b). Outwardly extending beads (4) and (4) extending in the extending direction are formed, respectively, and both the beads (4) and (4) penetrate the side surface (2a) of the metal square tube (2). The fixing metal fittings characterized in that long bolts (6) and (6) having a long diameter in the extending direction of the beads (4) and (4) are formed. 前記両固定板部(3b),(3b)における前記ビード(4),(4)の両側には、ビス穴(7),(8)をそれぞれ形成したことを特徴とする前記請求項1記載の固定金具。The screw holes (7), (8) are respectively formed on both sides of the beads (4), (4) in the both fixed plate portions (3b), (3b). Fixing bracket. 多数平行に配置された構造部材(1),(1)・・と、該構造部材(1),(1)・・に直交するように多数平行に配置された金属製四角筒(2),(2)・・と、該金属製四角筒(2),(2)・・と前記構造部材(1),(1)・・とを結合する固定金具(3),(3)・・とを備えた建造物用下地構造であって、前記各固定金具(3)を、前記構造部材(1)に溶接固定される基板部(3a)と、該基板部(3a)の両端から直角に屈曲して同方向に延び且つ前記金属製四角筒(2)の側面(2a)を抱持する一対の固定板部(3b),(3b)とにより構成するとともに、該両固定板部(3b),(3b)における相対向する位置には、該固定板部(3b),(3b)の延設方向に延びる外向きのビード(4),(4)をそれぞれ形成し且つ該両ビード(4),(4)には、前記金属製四角筒(2)の側面(2a)を貫通するボルト(5)が挿通され、該ビード(4),(4)の延設方向を長径とする長穴(6),(6)をそれぞれ形成したことを特徴とする建造物用下地構造。A large number of structural members (1), (1)... Arranged in parallel, and a metal square tube (2) arranged in large numbers so as to be orthogonal to the structural members (1), (1). (2) .. and fixing metal fittings (3), (3),... For joining the metal square tubes (2), (2) .. and the structural members (1), (1). A base structure for a building comprising: a substrate portion (3a) to which each of the fixing brackets (3) is welded and fixed to the structural member (1); and a right angle from both ends of the substrate portion (3a) It is composed of a pair of fixing plate portions (3b), (3b) that bend and extend in the same direction and hold the side surface (2a) of the metal square tube (2), and the both fixing plate portions (3b) ) And (3b) are formed with outward beads (4) and (4) extending in the extending direction of the fixing plate portions (3b) and (3b), respectively. In addition, a bolt (5) penetrating the side surface (2a) of the metal square tube (2) is inserted into the beads (4) and (4), and the beads (4) and (4) are extended. A foundation structure for buildings, characterized in that long holes (6) and (6) each having a long diameter in the installation direction are formed. 前記両固定板部(3b),(3b)における前記ビード(4),(4)の両側には、ビス穴(7),(8)を形成したことを特徴とする前記請求項3記載の建造物用下地構造。The screw holes (7), (8) are formed on both sides of the beads (4), (4) in the both fixing plate portions (3b), (3b), respectively. Underground structure for buildings.
JP26358799A 1999-09-17 1999-09-17 Fixing bracket and building foundation structure using the same Expired - Lifetime JP4082828B2 (en)

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