JP3933271B2

JP3933271B2 - Brace fixing bracket and brace fixing structure

Info

Publication number: JP3933271B2
Application number: JP26882997A
Authority: JP
Inventors: 弘行永尾; 卓三川
Original assignee: Sumitomo Forestry Co Ltd
Current assignee: Sumitomo Forestry Co Ltd
Priority date: 1997-10-01
Filing date: 1997-10-01
Publication date: 2007-06-20
Anticipated expiration: 2017-10-01
Also published as: JPH11107368A

Description

【０００１】
【発明の属する技術分野】
本発明は、筋かい固定金具及び筋かい固定構造に関し、詳しくは、他の構造金物との干渉を回避でき、筋かいを鉛直材及び横架材の接合部に強固に固定することのできる筋かい固定金具、及び該筋かい固定金具を用いた高耐力の筋かい固定構造に関する。
【０００２】
【従来の技術】
一般に、木造の軸組構造においては、柱や間柱等ほぼ鉛直方向に配設される鉛直材と、梁や胴差、土台等該鉛直材に対し略直角に、即ち、ほぼ水平方向に架設される横架材とで囲まれる矩形枠体内に、斜めに筋かいを挿入固定し、これにより構造体の水平力に対する抵抗力を増強させ、構造体の過大な変形や倒壊を防止している。
上記筋かいを、鉛直材と横架材との接合部に固定するための筋かい固定金具として、図６に示すような筋かい固定金具が知られている。
【０００３】
この筋かい固定金具１１０は、矩形状の筋かい当接板部１１１と、該筋かい当接板部１１１の互いに隣接した２つの縁部からそれぞれ垂直に立ち上がる鉛直材当接板部１１２及び横架材当接板部１１３とからなり、該筋かい固定金具１１０による筋かい１１４の固定は、先ず、上記筋かい当接板部１１１に設けられた所定の釘孔に釘１１５を挿入し、筋かい１１４の端部に打ち付けることによって、筋かい固定金具１１０を該筋かい１１４の端部に固定する。そして、該筋かい固定金具１１０の鉛直材当接板部１１２及び横架材当接板部１１３をそれぞれ鉛直材１１６及び横架材１１７に当接し、それぞれ同様に釘等により固定する。
【０００４】
【発明が解決しようとする課題】
しかしながら、図６に示すように上記鉛直材１１６が柱で上記横架材１１７が土台である場合には、該鉛直材１１６に沿ってホールダウン金物を設置したい場合があり、また、上記鉛直材１１６が柱で上記横架材１１７が梁である場合には、該横架材１１７の端部近傍に梁受け金物等が用いられている場合がある等、鉛直材１１６と横架材１１７との接合部近傍に他の金物が配設される場合がある。しかし、上記筋かい固定金具１１０の上記鉛直材当接板部１１２の一側縁１１２ａと横架材当接板部１１３の一側縁１１３ａとは互いに接合されているため、該筋かい固定金具１１０により、このような接合部に筋かいを固定しようとしても上記他の構造金物と互いに干渉し合い、該筋かい１１４を最適な位置からずらして固定せざるを得なかったり、あるいは他の構造金物の取付位置を変更する等の対処を余儀なくされていた。
【０００５】
また、上記他の構造金物に加え、上記筋かい固定金具１１０を固定することにより、鉛直材１１６と横架材１１７との接合部近傍に金物配設用の釘孔やボルト孔が集中するため、該接合部近傍における材の強度が低下し、構造体の耐震、耐風強度を低下させるおそれもあった。
従って、本発明の目的は、他の構造金物との干渉を回避でき、筋かいを鉛直材及び横架材の接合部に強固に固定することのできる筋かい固定金具、及び該筋かい固定金具を用いた高耐力の筋かい固定構造を提供することにある。
【０００６】
【課題を解決するための手段】
請求項１に記載の発明は、鉛直材と横架材との接合部に筋かいを固定する筋かい固定金具であって、上記筋かいの一面に当接固定される筋かい当接板部と、上記鉛直材の一面に当接固定される鉛直材当接板部と、上記横架材の一面に当接固定される横架材当接板部とを、それぞれ互いに垂直になるように形成してなり、上記鉛直材当接板部の一側縁と上記横架材当接板部の一側縁とが所定の間隔で離れており、上記筋かい当接板部、上記鉛直材当接板部及び上記横架材当接板部にそれぞれ複数個の取付用孔を設けてあり、上記鉛直材当接板部の上記一側縁と上記横架材当接板部の上記一側縁との間の最大距離が１４０〜２６０ｍｍであり、上記鉛直材と上記横架材とを緊結するためにホールダウン金物と組み合わせて用いるボルトを、上記鉛直材当接板部を該鉛直材に当接固定し且つ上記横架材当接板部を該横架材に当接固定した状態において、該鉛直材当接板部の上記一側縁と該横架材当接板部の上記一側縁との間に挿通可能となされていることを特徴とする筋かい固定金具を提供することにより、上記目的を達成したものである。
【０００７】
請求項２に記載の発明は、互いに平行な上辺及び下辺と、該上辺に隣接する一対の第１短辺と、該下辺及び該第１短辺間に位置する一対の第２短辺とを有する、長手方向中央の中心線に対して左右対称である長尺６角形状の金属板を、上記一対の第２短辺にそれぞれ略平行な一対の直線部で垂直に折曲して上記鉛直材当接板部及び上記横架材当接板部を形成してあることを特徴とする請求項１に記載の筋かい固定金具を提供することにより、上記目的を達成したものである。
【０００８】
請求項３に記載の発明は、筋かい固定金具を用いて鉛直材と横架材との接合部に筋かいを固定してなる筋かい固定構造であって、上記筋かい固定金具は、上記筋かいの一面に当接固定される筋かい当接板部と、上記鉛直材の一面に当接固定される鉛直材当接板部と、上記横架材の一面に当接固定される横架材当接板部とを、それぞれ互いに垂直になるように形成してなり、上記鉛直材当接板部の一側縁と上記横架材当接板部の一側縁とが所定の間隔で離れており、上記筋かい当接板部、上記鉛直材当接板部及び上記横架材当接板部にそれぞれ複数個の取付用孔を設けてあり、上記筋かいの端部を上記接合部に沿う形状に加工し、該筋かいの側面に上記筋かい当接板部を釘又はビスにより当接固定し、該筋かい固定金具の上記鉛直材当接板部を上記鉛直材の一面に、上記横架材当接板部を上記横架材の一面にそれぞれ釘又はビスにより当接固定してなり、上記鉛直材の上記一面にホールダウン金物が固定されており、上記鉛直材と上記横架材とを緊結するために上記ホールダウン金物と組み合わせて用いるボルトが、上記筋かい固定金具における上記鉛直材当接板部の上記一側縁と上記横架材当接板部の上記一側縁との間を通して配されていることを特徴とする筋かい固定構造を提供することにより、上記目的を達成したものである。
【０００９】
【発明の実施の形態】
以下、本発明の筋かい固定金具、及び筋かい固定構造の一実施形態について図面を参照して説明する。ここで、図１は、本形態の筋かい固定金具の示す図であり、図２は、該筋かい固定金具を用いた筋かいの固定を説明するための工程図であり、図３は、本形態の筋かい固定構造を示す概略斜視図であり、図４は、該筋かい固定金具製造時における板取りを示す概略図である。
【００１０】
本形態の筋かい固定金具１は、図２（ｃ）に示すように、鉛直材２と横架材３との接合部に筋かい４を固定する筋かい固定金具であって、図１（ｂ）に示されるように、一枚の金属板を折曲し、上記筋かい４の一面に当接固定される筋かい当接板部１１と、上記鉛直材の一面に当接固定される鉛直材当接板部１２と、上記横架材の一面に当接固定される横架材当接板部１３とを、それぞれ互いに垂直になるように形成してなり、上記鉛直材当接板部１２の一側縁１２ａと上記横架材当接板部１３の一側縁１３ａとは所定の間隔で離れており、上記筋かい当接板部１１、上記鉛直材当接板部１２及び上記横架材当接板部１３に、それぞれ複数個の取付用孔５１，５２，５３が設けられている。
【００１１】
以下、本形態の筋かい固定金具１について、より詳細に説明する。
上記垂直材２は、ほぼ鉛直方向に配される部材、例えば、柱、間柱等であり、上記横架材３は、ほぼ水平方向に配される部材、例えば、梁、胴差、土台等である。そして、上記筋かい４は、このような鉛直材及び横架材とで囲まれる矩形枠体内に、耐震性や耐風性を確保するために挿入する木質系の斜材である。
【００１２】
本形態の筋かい固定金具１は、図１（ｂ）に示すように、互いに平行な上辺１ａ及び下辺１ｂと、該上辺１ａに隣接し、該上辺１ａとの角度が鈍角である一対の第１短辺１ｃと、該下辺１ｂ及び該第１短辺１ｃ間に位置する一対の第２短辺１ｄとを有する、長手方向中央の中心線Ｌに対して左右対称の長尺６角形状の金属板を、所定の二カ所、即ち、上記一対の第２短辺１ｄにそれぞれ略平行な一対の直線部（図１（ｂ）におけるＡ−Ａ線及びＢ−Ｂ線）において垂直に折曲して形成したものある。尚、本形態における上記上辺１ａと上記第１短辺１ｃとの角度は、１３５度であり、該第１短辺１ｃと第２短辺１ｄとの角度は、９０度である。
【００１３】
上記筋かい固定金具１を形成する金属板には、予め釘孔及び／又はボルト孔等の取付用孔５が穿設されており、該金属板を折曲して、互いに垂直な上記筋かい当接板部１１、上記鉛直材当接板部１２及び上記横架材当接板部１３を形成したときに、これらの各当接板部１１，１２，１３に、それぞれ複数個の上記取付用孔５が配されるようになっている。上記筋かい当接板部１１における取付用孔５１は、長手方向に亘る全体に分散させて配置されており、用いる取付用孔を適宜に選択して、筋かい４を任意の角度で上記鉛直材及び横架材の接合部に取付可能としてある。
【００１４】
本形態の筋かい固定金具１における上記鉛直材当接板部１２の一側縁１２ａと上記横架材当接板部１３の一側縁１３ａとは、図１（ｂ）に示されるように、所定の間隔で離れており、該両側縁１２ａ、１３ａ間を、ホールダウン金物あるいは梁受け金物等、他の構造金物配設用の空間として利用することができるようになっている。
上記鉛直材当接板部１２、及び上記横架材当接板部１３は、図１に示すように、略台形状であり、上記両側縁１２ａ，１３ａは、上記筋かい当接板部１１の面に対して傾斜している。
【００１５】
上記一側縁１２ａ及び一側縁部１３ａ間の最大距離Ｗ１（図１（ｂ）参照）は、固定する筋かいの断面積等にもよるが、通常１４０〜２６０ｍｍであり、好ましくは２００〜２３０ｍｍである。該最大距離Ｗ１が１４０ｍｍ未満であると、他の構造金物との干渉を回避し難くなり、該最大距離Ｗ１が２６０ｍｍを越えると、筋かいの固定強度が不十分となるおそれがある。また、同様の観点から、上記一側縁１２ａ及び一側縁部１３ａ間の最小距離Ｗ２（図１（ｂ）参照）は、６０〜１５０ｍｍであることが好ましい。
【００１６】
次に、上記筋かい固定金具１を用いて、筋かいを鉛直材及び横架材の接合部に固定する手順の一例について説明する。
先ず、上記筋かい４の端部を、図２（ａ）に示されるように、鉛直材２及び横架材３の接合部の形状に対応させて切り欠き、２つの切り欠き面４２，４３それぞれと、上記鉛直材当接板部１２又は上記横架材当接板部１３の外側面とが同一平面を形成するように該筋かい４に上記筋かい当接板部１１を当接させ、上記取付用孔５１からスクリュー釘６等を打ち付け、該筋かい４に該筋かい固定金具１０を固定する。
【００１７】
次に、筋かい４を、図２（ｃ）に示すように、筋かい４の上記両切り欠き面４２，４３を、それぞれ該柱２の上面２ａと該土台３の側面３ａとに当接させ、上記鉛直材当接板部１２及び横架材当接板部１３の取付用孔５２，５３にスクリュー釘６を打ち込み固定する。尚、本構造においては、スクリュー釘６を用いたが、このほか普通の釘、ねじ、ビス、コーチボルト等を用いて、筋かい４を該接合部に固定しても良い。このようにして、鉛直材２と横架材３の接合部に強固に筋かい４を固定することができる
【００１８】
本形態の筋かい固定構造は、このように、上記筋かい固定金具１を用いて鉛直材としての柱２と横架材としての土台３との接合部に筋かい４を固定してなる構造であって、上記筋かい４の端部４ａを上記接合部に沿う形状に加工し、該筋かいの側面４ａに上記筋かい当接板部１１を釘やビス等により当接固定し、該筋かい固定金具１０の上記鉛直材当接板部１２を上記柱２の上面２ａに、上記横架材当接板部１３を上記土台３の側面３ａに、それぞれ釘又はビス等により当接固定してなる。
【００１９】
そして、本形態の筋かい固定構造によれば、図３に示すように、構造体の強度を確保するための、ホールダウン金物７等他の構造金物と干渉しないように筋かい固定金具を固定してあるので、他の構造金物による効果と筋かいによる効果の相乗効果を期待することができる。
即ち、上記筋かい４を固定した後であっても、上記筋かい固定金具１は邪魔にならず、上記柱２に沿ってホールダウン金物７を容易に配設することができ、あるいは、上記筋かい４の固定に先立ちホールダウン金物７により土台を緊結しておいても、筋かい４の固定を容易に行うことができる。
【００２０】
このように、本形態の筋かい固定金具１０によれば、上記筋かい当接板部１１の下縁に隣接する上記鉛直材当接板部１２の一側縁１２ａと上記横架材当接板部１３の一側縁１３ａとの間が、所定の間隔で離れているため、鉛直材としての柱２及び横架材としての土台３の接合部近傍に、ホールダウン金物７を配設する場合であっても、容易に該ホールダウン金物７との干渉を回避して、筋かい４を該接合部に固定することができる。更に、ホールダウン金物に限られず、例えば図５に示されるような、柱２と梁３との間の接合部において該接合部を補強する梁受け金物８等、接合部に配設される他の構造金物との干渉も同様に容易に回避可能であり、該接合部に筋かい４を強固に固定することができる。
【００２１】
また、図１（ｂ）に示す中央線Ｌに対して左右対称の形態を有するので、該筋かい固定金具１０は上下方向または左右方向を逆にして用いることができ、構造体における様々な接合部において、筋かいを強固に固定することができる。
【００２２】
また、本形態の筋かい固定金具１０は、上述したように扁平六角形状の金属板を折曲して形成してあるため、該形状の金属板を、図４に示すように一枚の金属板から無駄なく板取りすることにより効率的な量産が可能である。尚、図４において実線は、各金属板を切り出すための切断線を示し、点線は上記鉛直材当接板部１２又は横架材当接板部１３を形成するための折曲直線部を示している。
【００２３】
以上、本発明の筋かい固定金具及び筋かい固定構造の一実施形態について説明したが、本発明の筋かい固定金具及び筋かい固定構造は、上記実施形態に制限されず、本発明の趣旨を逸脱しない範囲で適宜変更が可能である。
【００２４】
例えば、上記鉛直材当接板部及び上記横架材当接板部は、上記実施形態におけるように一枚の金属板の一部を折曲することにより形成しても良いし、別の金属片を溶接接合し又は機械的に接合して形成しても良い。
また、上記筋かい固定金具１０における上記側縁１２ａ及び上記側縁１３ａは、それぞれ直線状であるが、それぞれ曲線状としても、中間に単一又は複数の段部を有する形状としても良い。また、該側縁１２ａ及び該側縁１３ａ間を結ぶ上記筋かい当接板部１１の下縁部も直線状の他、曲線状としても、中間に単一又は複数の段部を有する形状としても良い。
【００２５】
更に、上記鉛直材当接板部１２側と上記横架材当接板部１３とで、左右対称の形態でなくとも良く、例えば、筋かいの取付角度等に応じて鉛直材当接板部１２と上記横架材当接板部１３の大きさや形状を代えても良い。また、その他の部分の形状、寸法等についても、本発明の趣旨を逸脱しない範囲内において適宜可能である。
【００２６】
【発明の効果】
以上の説明から明らかなように、本発明によれば、他の構造金物との干渉を回避でき、筋かいを鉛直材及び横架材の接合部に強固に固定することのできる筋かい固定金具、及び該筋かい固定金具を用いた高耐力の筋かい固定構造を提供を提供することができる。
【図面の簡単な説明】
【図１】図１は、本発明の筋かい固定金具の一実施形態を示す概略図である。
【図２】図２は、該筋かい固定金具を用いた筋かいの固定を説明するための工程図である。
【図３】図３は、本発明の筋かい固定構造の一実施形態を示す概略斜視図である。
【図４】図４は、筋かい固定金具製造時における板取りを示す概略平面図である。
【図５】図５は、図１に示す筋かい固定金具の他の使用形態を示す概略斜視図である。
【図６】図６は、従来の筋かい固定金具を示す概略斜視図である。
【符号の説明】
１筋かい固定金具
１１筋かい当接板部
１２鉛直材当接板部
１３横架材当接板部
２鉛直材（柱）
３横架材（土台，梁）
４筋かい
５取付用孔
６釘
７ホールダウン金物
８梁受け金物[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a brace fixing bracket and a brace fixing structure, and in particular, a strut that can avoid interference with other structural hardware and can firmly fix the brace to a joint between a vertical member and a horizontal member. The present invention relates to a heel fixing bracket and a high strength brace fixing structure using the heel fixing bracket.
[0002]
[Prior art]
In general, in a wooden frame structure, vertical members such as columns and studs are arranged in a substantially vertical direction, and are installed substantially perpendicular to the vertical members such as beams, trunk differences, and foundations, that is, in a substantially horizontal direction. A brace is inserted and fixed obliquely in a rectangular frame surrounded by the horizontal frame, thereby increasing the resistance of the structure to the horizontal force and preventing excessive deformation and collapse of the structure.
As a brace fixing bracket for fixing the brace to the joint between the vertical member and the horizontal member, a brace fixing bracket as shown in FIG. 6 is known.
[0003]
The brace fixing bracket 110 includes a rectangular brace abutment plate portion 111, a vertical material abutment plate portion 112 that rises vertically from two adjacent edges of the brace abutment plate portion 111, and a lateral member. The brace 114 is formed by inserting a nail 115 into a predetermined nail hole provided in the brace abutting plate 111. By striking the end of the brace 114, the brace fixing bracket 110 is fixed to the end of the brace 114. Then, the vertical material abutting plate portion 112 and the horizontal member abutting plate portion 113 of the brace fixing metal fitting 110 are brought into contact with the vertical material 116 and the horizontal member 117, respectively, and are similarly fixed with nails or the like.
[0004]
[Problems to be solved by the invention]
However, as shown in FIG. 6, when the vertical member 116 is a pillar and the horizontal member 117 is a base, there may be a case where a hole down hardware is desired to be installed along the vertical member 116. In the case where 116 is a pillar and the horizontal member 117 is a beam, a vertical member 116 and a horizontal member 117 may be used, such as a beam receiving metal or the like being used near the end of the horizontal member 117. There may be cases where other hardware is disposed in the vicinity of the joint. However, since the one side edge 112a of the vertical material abutting plate portion 112 of the brace fixing bracket 110 and the one side edge 113a of the horizontal member abutting plate portion 113 are joined to each other, the brace fixing bracket 110, even if it is intended to fix the brace to such a joint, it interferes with the other structural hardware, and the brace 114 must be fixed by shifting it from the optimum position, or other structure. It was necessary to take measures such as changing the mounting position of hardware.
[0005]
In addition to the above-mentioned other structural hardware, fixing the brace fixing bracket 110 concentrates nail holes and bolt holes for hardware installation near the joint between the vertical member 116 and the horizontal member 117. Further, the strength of the material in the vicinity of the joint portion is lowered, and there is a possibility that the earthquake resistance and wind resistance strength of the structure are lowered.
Accordingly, an object of the present invention is to provide a brace fixing bracket capable of avoiding interference with other structural hardware and capable of firmly fixing a brace to a joint between a vertical member and a horizontal member, and the brace fixing bracket. An object of the present invention is to provide a high-strength brace fixing structure using a slab.
[0006]
[Means for Solving the Problems]
The invention according to claim 1 is a brace fixing bracket for fixing a brace to a joint portion between a vertical member and a horizontal member, and a brace abutting plate portion which is abutted and fixed to one surface of the brace. And a vertical material abutting plate portion that abuts and is fixed to one surface of the vertical material, and a horizontal material abutment plate portion that is abutted and fixed to one surface of the horizontal material are perpendicular to each other. The one side edge of the vertical material contact plate portion and the one side edge of the horizontal member contact plate portion are separated at a predetermined interval, and the brace contact plate portion and the vertical material A plurality of mounting holes are provided in each of the contact plate portion and the horizontal member contact plate portion, and the one side edge of the vertical material contact plate portion and the one of the horizontal member contact plate portion are provided. Ri maximum distance 140~260mm der between side edge, the bolt used in combination with hold-down hardware to Tightened and the vertical member and the horizontal members, the lead In a state where the material contact plate portion is abutted and fixed to the vertical material and the horizontal material contact plate portion is fixed to the horizontal material, the one side edge of the vertical material contact plate portion and the side material The above object is achieved by providing a brace fixing metal fitting characterized in that it can be inserted between the one side edge of the horizontal member contact plate portion .
[0007]
The invention according to claim 2 includes an upper side and a lower side parallel to each other, a pair of first short sides adjacent to the upper side, and a pair of second short sides located between the lower side and the first short side. A long hexagonal metal plate that is symmetrical with respect to the center line at the center in the longitudinal direction is vertically bent by a pair of straight portions that are substantially parallel to the pair of second short sides, respectively. The above-mentioned object is achieved by providing the brace fixing metal fitting according to claim 1, wherein a material abutting plate portion and the horizontal member abutting plate portion are formed.
[0008]
The invention according to claim 3 is a brace fixing structure in which a brace is fixed to a joint portion between a vertical member and a horizontal member using a brace fixing bracket, wherein the brace fixing bracket includes A brace abutment plate portion that abuts and is fixed to one surface of the brace, a vertical material abutment plate portion that abuts and is fixed to one surface of the vertical member, and a lateral member that is abutted and fixed to one surface of the horizontal member. The frame material abutting plate portions are formed so as to be perpendicular to each other, and one side edge of the vertical material abutting plate portion and one side edge of the horizontal material abutting plate portion are at a predetermined interval. A plurality of mounting holes are provided in each of the brace abutting plate portion, the vertical material abutting plate portion and the horizontal member abutting plate portion, and the end portion of the brace is defined as Processed into a shape along the joint, the brace abutment plate is abutted and fixed to the side of the brace with nails or screws, and the vertical material abutment plate of the brace fixing bracket is fixed. On one side of the serial vertical member, said horizontal member abutting plate portions becomes to abut fixed by each nail or screw on one side of the horizontal members, hold-down hardware to the one surface of the vertical member is fixed The bolt used in combination with the hole-down hardware for tightly connecting the vertical member and the horizontal member is the one side edge of the vertical member contact plate portion of the brace fixing bracket and the horizontal member. The above object is achieved by providing a brace fixing structure characterized in that it is arranged between the one side edge of the contact plate portion.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of a brace fixing metal fitting and a brace fixing structure of the present invention will be described with reference to the drawings. Here, FIG. 1 is a view showing the brace fixing bracket of the present embodiment, FIG. 2 is a process diagram for explaining the brace fixing using the brace fixing bracket, and FIG. It is a schematic perspective view which shows the brace fixing structure of this form, and FIG. 4 is a schematic diagram which shows the planing at the time of manufacturing this brace fixing metal fitting.
[0010]
As shown in FIG. 2 (c), the brace fixing bracket 1 of this embodiment is a brace fixing bracket that fixes the brace 4 to the joint portion between the vertical member 2 and the horizontal member 3, As shown in b), one metal plate is bent, and the brace abutment plate portion 11 is abutted and fixed to one surface of the brace 4 and is abutted and fixed to one surface of the vertical member. A vertical material contact plate 12 and a horizontal material contact plate portion 13 fixed in contact with one surface of the horizontal material are formed so as to be perpendicular to each other. The one side edge 12a of the portion 12 and the one side edge 13a of the horizontal member abutting plate portion 13 are separated by a predetermined distance, and the brace abutting plate portion 11, the vertical material abutting plate portion 12, and A plurality of mounting holes 51, 52, 53 are provided in the horizontal member abutting plate portion 13.
[0011]
Hereinafter, the brace fixing metal fitting 1 of this embodiment will be described in more detail.
The vertical member 2 is a member arranged in a substantially vertical direction, for example, a column, a stud, etc., and the horizontal member 3 is a member arranged in a substantially horizontal direction, for example, a beam, a trunk difference, a base, etc. is there. The brace 4 is a wood-based diagonal member that is inserted in a rectangular frame surrounded by such vertical members and horizontal members in order to ensure earthquake resistance and wind resistance.
[0012]
As shown in FIG. 1 (b), the brace fixing bracket 1 of this embodiment has a pair of first side that is adjacent to the upper side 1a and parallel to the upper side 1a and has an obtuse angle with the upper side 1a. A long hexagonal shape that is symmetric with respect to the center line L in the longitudinal direction, having one short side 1c and a pair of second short sides 1d located between the lower side 1b and the first short side 1c. The metal plate is bent vertically at two predetermined points, that is, a pair of straight portions (A-A line and BB line in FIG. 1B) substantially parallel to the pair of second short sides 1d. And formed. In this embodiment, the angle between the upper side 1a and the first short side 1c is 135 degrees, and the angle between the first short side 1c and the second short side 1d is 90 degrees.
[0013]
Mounting holes 5 such as nail holes and / or bolt holes are drilled in advance in the metal plate forming the brace fixing bracket 1, and the braces perpendicular to each other are bent by bending the metal plate. When the contact plate part 11, the vertical material contact plate part 12, and the horizontal member contact plate part 13 are formed, each of the contact plate parts 11, 12, and 13 has a plurality of attachments. A service hole 5 is arranged. The mounting holes 51 in the brace abutting plate portion 11 are arranged so as to be dispersed throughout the longitudinal direction. The mounting holes to be used are appropriately selected, and the brace 4 is vertically aligned at an arbitrary angle. It can be attached to the joint between the material and the horizontal member.
[0014]
As shown in FIG. 1B, the one side edge 12a of the vertical material abutting plate portion 12 and the one side edge 13a of the horizontal member abutting plate portion 13 in the brace fixing bracket 1 of the present embodiment. The two side edges 12a and 13a can be used as a space for disposing other structural hardware such as a hole-down hardware or a beam receiving hardware.
As shown in FIG. 1, the vertical material contact plate portion 12 and the horizontal material contact plate portion 13 have a substantially trapezoidal shape, and the side edges 12 a and 13 a have the brace contact plate portion 11. It is inclined with respect to the surface.
[0015]
Although the maximum distance W1 (refer FIG.1 (b)) between the said 1 side edge 12a and the 1 side edge part 13a is based also on the cross-sectional area etc. of the brace to fix, it is 140-260 mm normally, Preferably it is 200- 230 mm. If the maximum distance W1 is less than 140 mm, it is difficult to avoid interference with other structural hardware. If the maximum distance W1 exceeds 260 mm, the brace fixing strength may be insufficient. From the same viewpoint, the minimum distance W2 (see FIG. 1B) between the one side edge 12a and the one side edge 13a is preferably 60 to 150 mm.
[0016]
Next, an example of a procedure for fixing the brace to the joint between the vertical member and the horizontal member using the brace fixing bracket 1 will be described.
First, as shown in FIG. 2A, the end of the brace 4 is cut out in accordance with the shape of the joint between the vertical member 2 and the horizontal member 3, and two cut-out surfaces 42, 43 are formed. The brace abutting plate part 11 is brought into contact with the brace 4 so that each of them and the outer surface of the vertical member abutting plate part 12 or the horizontal member abutting plate part 13 form the same plane. Then, a screw nail 6 or the like is hit from the mounting hole 51, and the brace fixing bracket 10 is fixed to the brace 4.
[0017]
Next, the brace 4 is brought into contact with the upper surface 2a of the pillar 2 and the side surface 3a of the base 3, respectively, as shown in FIG. 2 (c). The screw nails 6 are driven and fixed in the mounting holes 52 and 53 of the vertical material contact plate 12 and the horizontal material contact plate 13. Although the screw nail 6 is used in the present structure, the brace 4 may be fixed to the joint portion using a normal nail, a screw, a screw, a coach bolt, or the like. In this way, the brace 4 can be firmly fixed to the joint between the vertical member 2 and the horizontal member 3 [0018]
The brace fixing structure of this embodiment is a structure in which the brace 4 is fixed to the joint between the column 2 as the vertical member and the base 3 as the horizontal member using the brace fixing bracket 1 as described above. The end portion 4a of the brace 4 is processed into a shape along the joint portion, and the brace abutting plate portion 11 is abutted and fixed to the side surface 4a of the brace by a nail or a screw, The vertical member contact plate 12 of the brace fixing bracket 10 is fixed to the upper surface 2a of the column 2 and the horizontal member contact plate 13 is fixed to the side surface 3a of the base 3 with nails or screws, respectively. Do it.
[0019]
Then, according to the brace fixing structure of this embodiment, as shown in FIG. 3, the brace fixing bracket is fixed so as not to interfere with other structural hardware such as hole down hardware 7 for ensuring the strength of the structure. Therefore, it is possible to expect a synergistic effect between the effect of other structural hardware and the effect of the brace.
That is, even after the brace 4 is fixed, the brace fixing bracket 1 does not get in the way, and the hole-down hardware 7 can be easily disposed along the pillar 2 or Prior to fixing the brace 4, the brace 4 can be easily fixed even if the base is fastened with the hole-down hardware 7.
[0020]
Thus, according to the brace fixing metal fitting 10 of this embodiment, the one side edge 12a of the vertical material abutting plate 12 adjacent to the lower edge of the brace abutting plate 11 and the horizontal member abutment Since the one side edge 13a of the plate portion 13 is separated by a predetermined distance, the hole-down hardware 7 is disposed in the vicinity of the joint portion between the pillar 2 as the vertical member and the base 3 as the horizontal member. Even in this case, it is possible to easily avoid the interference with the hole-down hardware 7 and fix the brace 4 to the joint portion. Further, not limited to the hole-down hardware, for example, as shown in FIG. 5, the beam receiving hardware 8 that reinforces the joint at the joint between the column 2 and the beam 3, etc. Similarly, the interference with the structural hardware can be easily avoided, and the brace 4 can be firmly fixed to the joint.
[0021]
Further, since it has a left-right symmetric form with respect to the center line L shown in FIG. In the part, the brace can be firmly fixed.
[0022]
In addition, since the brace fixing metal fitting 10 of this embodiment is formed by bending a flat hexagonal metal plate as described above, the metal plate having the shape is made of a single metal as shown in FIG. Efficient mass production is possible by removing the plate without waste. In FIG. 4, a solid line indicates a cutting line for cutting out each metal plate, and a dotted line indicates a bent straight line portion for forming the vertical material contact plate portion 12 or the horizontal material contact plate portion 13. ing.
[0023]
As mentioned above, although one embodiment of the brace fixing bracket and the brace fixing structure of the present invention has been described, the brace fixing bracket and the brace fixing structure of the present invention are not limited to the above embodiment, and the gist of the present invention. Changes can be made as appropriate without departing from the scope.
[0024]
For example, the vertical material contact plate portion and the horizontal member contact plate portion may be formed by bending a part of one metal plate as in the above embodiment, or another metal The pieces may be formed by welding or mechanically joining.
Moreover, although the said side edge 12a and the said side edge 13a in the said brace fixing metal fitting 10 are each linear shape, it is good also as a shape which has a single or several step part in the middle, respectively. Further, the lower edge portion of the brace abutting plate portion 11 connecting the side edge 12a and the side edge 13a is not only linear, but also has a curved shape or a shape having a single step or a plurality of steps in the middle. Also good.
[0025]
Further, the vertical material abutting plate portion 12 side and the horizontal member abutting plate portion 13 do not have to be symmetrical with each other. For example, the vertical material abutting plate portion according to the mounting angle of the brace or the like. 12 and the size and shape of the horizontal member abutting plate 13 may be changed. In addition, the shape, dimensions, etc. of other portions can be appropriately set within the scope not departing from the gist of the present invention.
[0026]
【The invention's effect】
As is clear from the above description, according to the present invention, the brace fixing bracket that can avoid interference with other structural hardware and can firmly fix the brace to the joint between the vertical member and the horizontal member. And a high strength brace fixing structure using the brace fixing bracket can be provided.
[Brief description of the drawings]
FIG. 1 is a schematic view showing an embodiment of a brace fixing bracket of the present invention.
FIG. 2 is a process diagram for explaining the fixing of a brace using the brace fixing bracket.
FIG. 3 is a schematic perspective view showing an embodiment of a brace fixing structure of the present invention.
[Fig. 4] Fig. 4 is a schematic plan view showing planing when manufacturing a brace fixing bracket.
FIG. 5 is a schematic perspective view showing another usage pattern of the brace fixing metal fitting shown in FIG. 1 ;
FIG. 6 is a schematic perspective view showing a conventional brace fixing bracket.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Brace fixing metal fitting 11 Brace contact board part 12 Vertical material contact board part 13 Horizontal material contact board part 2 Vertical material (column)
3 Horizontal members (base, beam)
4 Brace 5 Mounting hole 6 Nail 7 Hole-down hardware 8 Beam receiving hardware

Claims

A brace fixing bracket that fixes the brace to the joint between the vertical member and the horizontal member,
A brace abutment plate portion that abuts and is fixed to one surface of the brace, a vertical material abutment plate portion that abuts and is fixed to one surface of the vertical member, and an abutment fixed to one surface of the horizontal member. The horizontal member contact plate part is formed so as to be perpendicular to each other,
One side edge of the vertical material contact plate portion and one side edge of the horizontal material contact plate portion are separated at a predetermined interval, and the brace contact plate portion, the vertical material contact plate portion, and A plurality of mounting holes are provided in each of the horizontal member abutting plate portions,
Ri maximum distance 140~260mm der between said one side edge of said one side edge and the horizontal members abutting plate section of the vertical member abutting plate portions,
A bolt that is used in combination with a hole-down hardware to bind the vertical member and the horizontal member together, the vertical member contact plate portion is fixed to the vertical member, and the horizontal member contact plate portion is fixed. In a state in which the horizontal member is in contact with and fixed to the horizontal member, the vertical member contact plate can be inserted between the one side edge of the vertical member contact plate and the one side edge of the horizontal member contact plate. Characteristic brace bracket.

A center line in the longitudinal direction has an upper side and a lower side parallel to each other, a pair of first short sides adjacent to the upper side, and a pair of second short sides located between the lower side and the first short side. A long hexagonal metal plate that is symmetrical with respect to the left and right sides is bent vertically at a pair of straight portions that are substantially parallel to the pair of second short sides, and the vertical material abutting plate portion and the horizontal frame are bent. The brace fixing bracket according to claim 1, wherein a material abutting plate portion is formed.

A brace fixing structure in which a brace is fixed to the joint between the vertical member and the horizontal member using a brace fixing bracket,
The brace fixing bracket includes a brace abutment plate portion that abuts and is fixed to one surface of the brace, a vertical material abutment plate portion that abuts and is fixed to one surface of the vertical member, and the horizontal member. The horizontal member abutting plate portion that is abutted and fixed to one surface is formed to be perpendicular to each other,
One side edge of the vertical material contact plate portion and one side edge of the horizontal material contact plate portion are separated at a predetermined interval, and the brace contact plate portion, the vertical material contact plate portion, and A plurality of mounting holes are provided in each of the horizontal member abutting plate portions,
The end of the brace is processed into a shape along the joint, and the brace abutting plate is abutted and fixed to the side of the brace with nails or screws, and the vertical bracing of the brace fixing bracket is fixed. The contact plate part is fixed to one surface of the vertical member, and the horizontal member contact plate part is fixed to the one surface of the horizontal member by a nail or a screw, respectively.
Hole down hardware is fixed to the one surface of the vertical material,
A bolt used in combination with the hole-down hardware to tie the vertical member and the horizontal member together,
A brace fixing structure, characterized in that the brace fixing structure is arranged between the one side edge of the vertical member abutting plate portion and the one side edge of the horizontal member abutting plate portion in the brace fixing bracket.