JP3341251B2 - Bracing ties and their fittings - Google Patents
Bracing ties and their fittingsInfo
- Publication number
- JP3341251B2 JP3341251B2 JP21434299A JP21434299A JP3341251B2 JP 3341251 B2 JP3341251 B2 JP 3341251B2 JP 21434299 A JP21434299 A JP 21434299A JP 21434299 A JP21434299 A JP 21434299A JP 3341251 B2 JP3341251 B2 JP 3341251B2
- Authority
- JP
- Japan
- Prior art keywords
- brace
- base
- leaf spring
- plates
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Load-Bearing And Curtain Walls (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、木造建築物におい
て、柱と土台等の横架材、すなわち柱と土台及び柱と梁
とで形成される方形の壁体骨組の対角線の位置に組み入
れる斜材、すなわち、筋交いを緊結する筋交い緊結構造
とその金具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wooden building having horizontal members such as columns and bases, that is, diagonal members to be installed at diagonal positions of a rectangular wall frame formed by columns and bases and columns and beams. The present invention relates to a material, that is, a bracing structure for tying the braces and its metal fittings.
【０００２】[0002]
【従来の技術】この種の筋交い緊結構造として、本出願
人の出願に係る特開平１０−７２８６８号公報に記載の
ものがある。2. Description of the Related Art An example of this kind of bracing structure is disclosed in Japanese Patent Application Laid-Open No. Hei 10-72868 filed by the present applicant.
【０００３】その筋交い緊結構造は、図１４に示すよう
に、筋交い１の端部の斜切木口面１ａ，１ａを緊結金具
２の固定板３，３の内面３ａ，３ａに当接させるととも
に、その端部の一方の側面を、固定板３，３の内面３
ａ，３ａに張設した取付け壁４に当接させた状態にし
て、その取付け壁４にボルト・ナットで緊締したもので
ある。As shown in FIG. 14, the brace tightening structure is such that, at the end of the brace 1, the cut end faces 1 a, 1 a of the brace 1 are brought into contact with the inner surfaces 3 a, 3 a of the fixing plates 3, 3 of the fitting 2. Connect one side of the end to the inner surface 3 of the fixing plates 3
a, 3a, in a state of being in contact with a mounting wall 4 stretched over, and tightened to the mounting wall 4 with bolts and nuts.
【０００４】この構造により、地震等による木造建築物
の揺れに伴う圧縮力が筋交い１に加わるときにも、その
端部を、柱５の側面や土台６の上面に食い込ませること
なく、しかも、木造建築物の揺れを助長したり被害をも
たらすことがないようにしている。[0004] With this structure, even when a compressive force accompanying the shaking of a wooden building due to an earthquake or the like is applied to the brace 1, the end thereof does not bite into the side surface of the pillar 5 or the upper surface of the base 6, and It does not promote the shaking of wooden structures or cause damage.
【０００５】[0005]
【発明が解決しようとする課題】しかし、上記従来の筋
交い緊結構造は、筋交い１の端部の斜切木口面１ａ，１
ａを上記緊結金具２の固定板３，３の内面３ａ，３ａに
当接させているので、地震等による木造建築物の揺れに
伴う圧縮力等の外力が筋交い１に直接的に加わるもので
あるため、その筋交い１が挫屈等により破損しやすい。However, the above-described conventional brace-tightening structure is characterized in that the cut end faces 1a, 1 at the end of the brace 1 are provided.
a is brought into contact with the inner surfaces 3a, 3a of the fixing plates 3, 3 of the tie 2, so that an external force such as a compressive force accompanying a shaking of the wooden building due to an earthquake or the like is directly applied to the brace 1. Therefore, the brace 1 is easily damaged by buckling or the like.
【０００６】筋交い１の材料として、より強固なものを
採用すれば、それの挫屈等を起こしにくくすることがで
きるもののコスト高となる。If a stronger material is used as the material of the brace 1, the buckling of the material can be made less likely, but the cost is increased.
【０００７】そこで本発明は、筋交いに加わる圧縮力等
の外力を減衰させるようにすることにより、低コストで
その筋交いの挫屈等による破損を防止することができる
筋交い緊結構造とその金具を提供しようとするものであ
る。Accordingly, the present invention provides a brace tightening structure and its metal fittings which can prevent damage due to buckling of the brace at low cost by attenuating an external force such as a compressive force applied to the brace. What you want to do.
【０００８】[0008]
【課題を解決するための手段】請求項１記載の本発明筋
交い緊結構造は、次の構成からなる。 （１）固定具Ｂが、外面を柱７の側面と土台８等の横架
材の側面に当接する直角折曲形状をなす取付け板９，１
０の内面に連結支持板１１を張設してなり、その固定具
Ｂを、柱７と土台８又は柱７と梁とが形成する直角な隅
角部に設置していること。 （２）筋交い連結具Ｄが、筋交いＣの木口面Ｃａに対向
する基板Ｄａの両端に、その筋交いＣの両側面に当接す
るガイド脚板Ｄｂ，Ｄｂを折曲形成してコ字形に形成さ
れ、さらに、後記板ばねＥの弾性変形を規制する横長の
板ばね変形規制片２２を基端部に突設するとともに下端
部寄りにボルト挿通孔２３を形成した取付け板２４，２
４が、その板ばね変形規制片２２の先端を上記基板Ｄａ
の内面側に 突出させた状態で、該基板Ｄａに形成した嵌
合孔Ｄａ′，Ｄａ′にそれぞれ嵌入することにより、固
定具Ｂの上記連結支持板１１を挟むことができる間隔で
固定され、かつ、上記ガイド脚板Ｄｂ，Ｄｂの先端部に
長孔２５，２５を設けるとともに、同ガイド脚板Ｄｂ，
Ｄｂの基端部に係止用孔２６，２６を設けてなり、その
筋交い連結具Ｄを上記固定具Ｂに対し、上記連結支持板
１１と取付け板２４とを軸支することにより、垂直面内
で揺動自在に取り付けていること。 （３）側面円弧状で平面長方形の板ばねＥが、その両側
端に係止用突起Ｅａ，Ｅａを突設してなり、その係止用
突起Ｅａ，Ｅａを上記係止用孔２６，２６に挿入した状
態において、上記筋交い連結具Ｄの基板Ｄａに重合位置
していること。 （４）筋交いＣが、その端部を上記筋交い連結具Ｄのガ
イド脚板Ｄｂ，Ｄｂ間に挿入され、その木口面Ｃａを上
記板ばねＥに非弾圧状態で当接させるとともに、該筋交
いＣの貫通孔２９及び上記長孔２５，２５に挿通した係
止用ボルト２７の先端にナット２８を螺合し、これによ
って、筋交いＣと筋交い連結具Ｄとを相対移動可能にし
ていること。According to the first aspect of the present invention, there is provided a bracing structure having the following construction. (1) Fixing tool B has an outer surface that is laterally mounted on the side of pillar 7 and base 8 or the like.
Mounting plates 9 and 1 each having a right-angled bent shape and abutting against the side surface of the material
0, the connecting support plate 11 is stretched on the inner surface, and the fixing tool B is installed at a right-angled corner formed by the column 7 and the base 8 or the column 7 and the beam. (2) The brace connecting device D faces the kimono surface Ca of the brace C
To both ends of the brace C at both ends of the substrate Da
The guide leg plates Db, Db are bent to form a U-shape, and furthermore, a laterally elongated
A leaf spring deformation restricting piece 22 is protruded from the base end and
Mounting plates 24, 2 having bolt insertion holes 23 formed near the parts
4 attaches the tip of the leaf spring deformation restricting piece 22 to the substrate Da.
In the state of protruding toward the inner surface side of the
By fitting into the holes Da 'and Da', respectively,
At an interval where the connection support plate 11 of the fixture B can be sandwiched.
The guide leg plates Db, Db are fixed and provided with elongated holes 25, 25 at the distal ends of the guide leg plates Db, Db.
Locking holes 26, 26 are provided at the base end of Db, and the brace connecting tool D is pivotally supported by the connecting support plate 11 and the mounting plate 24 with respect to the fixing tool B, thereby forming a vertical surface. Must be swingable inside. (3) A plate spring E having an arcuate side surface and a flat rectangular shape is provided with locking projections Ea, Ea projecting from both side ends thereof, and the locking projections Ea, Ea are connected to the locking holes 26, 26. In the state of being inserted into the board Da of the brace connecting device D in the state of being inserted into the brace connecting device D. (4) The brace C has its end inserted between the guide leg plates Db and Db of the brace connecting device D, and the cutout surface Ca is brought into contact with the leaf spring E in a non-elastic state. A nut 28 is screwed into the through hole 29 and the tip of the locking bolt 27 inserted into the elongated holes 25, 25, whereby the brace C and the brace connector D can be relatively moved.
【０００９】請求項２記載の本発明は、筋交いＣの木口
面Ｃａと筋交い連結具Ｄの基板Ｄａとの間隔が拡がるこ
とを阻止し、かつ、それらの間隔が狭まることを許容す
るように、筋交いＣに対する筋交い連結具Ｄの移動を制
限する連結具移動制限手段Ｈが設けられている請求項１
記載の筋交い緊結構造である。According to a second aspect of the present invention, it is possible to prevent the space between the cleave surface Ca of the brace C and the board Da of the brace connecting device D from expanding, and to allow the space therebetween to be narrowed. 2. A connecting tool movement restricting means H for restricting movement of the brace connecting tool D with respect to the brace C.
It is the bracing structure described.
【００１０】請求項３記載の本発明は、上記連結具移動
制限手段Ｈが、筋交い連結具Ｄのガイド脚板Ｄｂ，Ｄｂ
に形成した長孔２５，２５と、その長孔２５，２５に挿
入する筋交いＣに挿通した係止用ボルト２７とからなる
請求項２記載の筋交い緊結構造である。According to a third aspect of the present invention, the connecting member movement restricting means H includes a guide leg plate Db, Db of the brace connecting member D.
3. The brace tightening structure according to claim 2, comprising: elongated holes 25 formed in the bracelets; and locking bolts 27 inserted into the brace C inserted into the elongated holes 25, 25.
【００１１】請求項４記載の本発明は、固定具Ｂの連結
支持板１１を、柱７の側面と土台８等の横架材の側面の
幅員の中心線上に一致させている請求項１，２又は３記
載の筋交い緊結構造である。According to a fourth aspect of the present invention, the connection support plate 11 of the fixture B is aligned with the center line of the width of the side surface of the pillar 7 and the side surface of the horizontal member such as the base 8. 4. The bracing structure according to 2 or 3.
【００１２】請求項５記載の本発明筋交い緊結金具は、
次の構成からなる。 （１）′外面を柱７の側面と土台８等の横架材の側面に
当接する直角折曲形状をなす取付け板９，１０の内面に
連結支持板１１を張設してなり、柱７と土台８又は柱７
と梁とが形成する直角な隅角部に設置するようにした固
定具Ｂ。 （２）′筋交いＣの木口面Ｃａに対向する基板Ｄａの両
端に、その筋交いＣの両側面に当接するガイド脚板Ｄ
ｂ，Ｄｂを折曲形成してコ字形に形成され、さらに、後
記板ばねＥの弾性変形を規制する横長の板ばね変形規制
片２２を基端部に突設するとともに下端部寄りにボルト
挿通孔２３を形成した取付け板２４，２４が、その板ば
ね変形規制片２２の先端を上記基板Ｄａの内面側に突出
させた状態で、該基板Ｄａに形成した嵌合孔Ｄａ′，Ｄ
ａ′にそれぞれ嵌入することにより、固定具Ｂの上記連
結支持板１１を挟むことができる間隔で固定され、か
つ、上記ガイド脚板Ｄｂ，Ｄｂの先端部に長孔２５，２
５を設けるとともに、同ガイド脚板Ｄｂ，Ｄｂの基端部
に係止用孔２６，２６を設けてなり、上記固定具Ｂに対
し、上記連結支持板１１と取付け板２４とを軸支するこ
とにより垂直面内で揺動自在に取り付けるようにした筋
交い連結具Ｄ。 （３）′側面円弧状で平面長方形をなし、両側端に係止
用突起Ｅａ，Ｅａを突設してなり、その係止用突起Ｅ
ａ，Ｅａを上記係止用孔２６，２６に挿入した状態にお
いて、上記筋交い連結具Ｄの基板Ｄａに重合位置させる
ようにした板ばねＥ。According to a fifth aspect of the present invention, there is provided the brace tie.
It has the following configuration. (1) 'The outer surface is on the side of the pillar 7 and the side of the horizontal material such as the base 8
The connecting support plate 11 is stretched on the inner surfaces of the right-angled bent mounting plates 9 and 10 to come into contact with each other, and the column 7 and the base 8 or the column 7 are provided.
A fixture B to be installed at a right-angled corner formed by the beam and the beam. (2) ′ Both sides of the substrate Da facing the opening face Ca of the brace C
At the end, a guide leg plate D contacting both sides of the brace C
b, and Db by bending form are formed in a U-shape, further, after
Lateral leaf spring deformation regulation that regulates elastic deformation of the leaf spring E
A piece 22 is protruded from the base end and a bolt is
The mounting plates 24, 24 having the insertion holes 23 formed therein,
The tip end of the deformation regulating piece 22 projects toward the inner surface of the substrate Da.
In this state, the fitting holes Da ', D
a ′, the above-mentioned connection of the fixture B is performed.
The fixing support plate 11 is fixed at an interval capable of sandwiching the same , and the guide leg plates Db, Db have elongated holes 25, 2 at their distal ends.
5 and locking holes 26, 26 are provided at the base ends of the guide leg plates Db, Db to support the connecting support plate 11 and the mounting plate 24 with respect to the fixture B. A brace connecting device D which is adapted to be swingably mounted in a vertical plane. (3) ′ The side projection is a flat rectangular shape with a circular arc shape, and locking projections Ea, Ea are protrudingly provided on both side ends.
A leaf spring E which is positioned so as to overlap with the board Da of the brace connecting tool D in a state in which a, Ea are inserted into the locking holes 26, 26.
【００１３】請求項６記載の本発明は、筋交いＣの木口
面Ｃａと筋交い連結具Ｄの基板Ｄａとの間隔が拡がるこ
とを阻止し、かつ、それらの間隔が狭まることを許容す
るように、筋交いＣに対する筋交い連結具Ｄの移動を制
限する連結具移動制限手段Ｈが設けられている請求項５
記載の筋交い緊結金具である。According to a sixth aspect of the present invention, the gap between the opening Ca of the brace C and the substrate Da of the brace connecting device D is prevented from expanding, and the gap between them is allowed to be reduced. 6. A connector movement restricting means H for restricting the movement of the brace connector D with respect to the brace C.
It is the bracing fastener described.
【００１４】請求項７記載の本発明は、上記連結具移動
制限手段Ｈが、筋交い連結具Ｄのガイド脚板Ｄｂ，Ｄｂ
に形成した長孔２５，２５と、その長孔２５，２５に挿
入する筋交いＣに挿通した係止用ボルト２７とからなる
請求項６記載の筋交い緊結金具である。According to a seventh aspect of the present invention, the connecting member movement restricting means H includes a guide leg plate Db, Db of the brace connecting member D.
7. The bracing fastener according to claim 6, comprising: elongated holes 25 formed in the groove; and locking bolts 27 inserted into the braces C inserted into the elongated holes 25, 25.
【００１５】請求項８記載の本発明は、連結支持板１１
が取付け板９，１０の幅員の中心線上に張設されている
請求項５，６又は７記載の筋交い緊結金具である。According to an eighth aspect of the present invention, the connecting support plate 11 is provided.
The brace fastener according to claim 5, 6 or 7, which is stretched on the center line of the width of the mounting plates (9, 10).
【００１６】[0016]
【発明の実施の形態】本発明の一実施形態に係る緊結金
具Ａとこれを使用した筋交い緊結構造について説明す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS A description will be given of a tying member A according to an embodiment of the present invention and a brace tying structure using the same.
【００１７】緊結金具Ａは、図１〜３に示すように、柱
７と土台８又は柱７と梁（図示しない）とが区画形成す
る直角の隅角部に設置する固定具Ｂと、これに軸支され
た筋交い連結具Ｄとから構成されている。As shown in FIGS. 1 to 3, the fastening member A includes a fixture B installed at a right-angle corner defined by the column 7 and the base 8 or the column 7 and the beam (not shown). And a brace connecting device D which is pivotally supported by the arm.
【００１８】固定具Ｂは、直角折曲形状をなして一体な
取付け板９，１０とこれらの取付け板９，１０が形成し
ている直角空間内に張設された連結支持板１１とからな
る。両取付け板９，１０の各々は、柱７及び土台８の幅
員Ｗのほぼ半分の幅員ｗを有しかつ所要の長さにした長
方形をなしている。The fixture B is composed of mounting plates 9 and 10 which are integrally formed in a right-angled bent shape and a connecting support plate 11 which is stretched in a right-angled space formed by these mounting plates 9 and 10. . Each of the two mounting plates 9 and 10 has a width w substantially half the width W of the column 7 and the base 8 and forms a rectangle having a required length.
【００１９】取付け板９には、図４〜６に示すように、
これの幅員ｗの中心線Ｏ上に４個のボルト挿通孔１２が
所定の間隔で列設されているとともに、取付け板１０に
は、これの幅員ｗの中心線Ｏ上に２個のボルト挿通孔１
３，１３が形成されている。As shown in FIGS. 4 to 6, the mounting plate 9 has
Four bolt insertion holes 12 are arranged at predetermined intervals on the center line O of the width w, and two bolts are inserted through the mounting plate 10 on the center line O of the width w. Hole 1
3 and 13 are formed.
【００２０】連結支持板１１は、上記両取付け板９，１
０の中心線Ｏ上に張設されているとともに、その外方所
要位置にボルト挿通孔１４を形成し、また、取付け板１
０のボルト挿通孔１３，１３のうちの一方のものに対向
する位置に窓孔１１ａを形成したものである。The connecting support plate 11 is provided with the two mounting plates 9 and 1.
0, and a bolt insertion hole 14 is formed at a required position outside the center line O.
A window hole 11a is formed at a position facing one of the 0 bolt insertion holes 13, 13.
【００２１】上記構成の固定具Ｂは、取付け板９の外面
９ａを柱７の側面７ａに当接するとともに、取付け板１
０の外面１０ａを土台８の上面８ａに当接させた状態に
おいて、柱７と土台８とが形成する隅角部に、また同様
にして、柱７と梁（図示しない）とが形成する隅角部に
設置される。In the fixture B having the above structure, the outer surface 9a of the mounting plate 9 abuts against the side surface 7a of the pillar 7, and the mounting plate 1
In a state where the outer surface 10a of the base 7 is in contact with the upper surface 8a of the base 8, the corner formed by the column 7 and the base 8 and similarly, the corner formed by the column 7 and the beam (not shown). It is installed at the corner.
【００２２】１５…は柱側緊締ボルトで、それは、柱７
の所定位置に設けた４個のボルト挿通孔１６…にその外
方（取付け板９が当接する側面７ａの反対側）から挿通
され、取付け板９の内面側に突出した各先端部にナット
１７…を螺合緊締する。Reference numeral 15 denotes a column-side tightening bolt, which is a column 7
The nuts 17 are inserted into the four bolt insertion holes 16 provided at predetermined positions from outside (the side opposite to the side surface 7a with which the mounting plate 9 abuts) and project from the inner surface side of the mounting plate 9 with nuts 17. ... is screwed tight.
【００２３】１８，１８は土台側緊締ボルトで、それ
は、土台８の所定位置に設けた２個のボルト挿通孔１
９，１９の各々にその下方から挿通され、取付け板９の
内面側に突出した各先端部にナット２０，２０を螺合緊
締する。Reference numerals 18 and 18 denote base-side tightening bolts, which are two bolt insertion holes 1 provided at predetermined positions on the base 8.
Nuts 20, 20 are screwed and fastened to the respective tips of the mounting plates 9 which are inserted through the lower portions of the mounting plates 9 from below.
【００２４】２１はボルト列設板で、これに２本の土台
側緊締ボルト１８，１８を所定の間隔で溶接等により予
め植設しておき、土台８の下面所定位置に形成した凹処
８ｂに、そのボルト列設板２１を嵌入した状態で、土台
側緊締ボルト１８，１８を上記のようにボルト挿通孔１
９，１９に挿通させているものである。Reference numeral 21 denotes a bolt row plate, on which two base-side tightening bolts 18, 18 are previously implanted at predetermined intervals by welding or the like, and recessed portions 8b formed at predetermined positions on the lower surface of the base 8 are provided. Then, the base-side tightening bolts 18 are inserted into the bolt insertion holes 1 as described above with the bolt row setting plate 21 fitted therein.
9 and 19 are inserted.
【００２５】筋交い連結具Ｄは、図７〜９に示すよう
に、筋交いＣの木口面Ｃａに対向する方形にした基板Ｄ
ａの両端に、その筋交いＣの両側面Ｃｂ，Ｃｂに当接す
る長方形のガイド脚板Ｄｂ，Ｄｂを折曲形成してなるコ
字形のものである。As shown in FIGS. 7 to 9, the brace connecting device D has a rectangular board D facing the opening face Ca of the brace C.
A rectangular guide leg plate Db, Db which abuts on both side surfaces Cb, Cb of the brace C is bent at both ends of a.
【００２６】筋交いＣは、これの両側面Ｃｂ，Ｃｂの所
要位置に開口した貫通孔２９が形成されており、その貫
通孔２９に、両端を側面Ｃｂ，Ｃｂから突出させた上記
係止用ボルト２７が挿入されている。なお、貫通孔及び
係止用ボルトに代えて、両側面Ｃｂ，Ｃｂの所要位置に
それぞれ係止用木ねじを螺入した構成にしてもよい。The brace C is formed with a through hole 29 opened at a required position on both side surfaces Cb, Cb of the brace C. The locking bolt having both ends protruding from the side surfaces Cb, Cb is formed in the through hole 29. 27 is inserted. In place of the through holes and the locking bolts, locking wooden screws may be screwed into required positions on both side surfaces Cb, Cb, respectively.
【００２７】Ｅは、両側端に係止用突起Ｅａ，Ｅａを突
設した、減衰部材である平面長方形の板ばねであり、上
記筋交い連結具Ｄの基板Ｄａとこれに対向することにな
る筋交いＣの木口面Ｃａとの間に非弾圧状態で介挿する
ものである。Reference numeral E denotes a flat rectangular leaf spring, which is a damping member, having projections Ea, Ea for locking protruding on both side ends. The board Da of the above-mentioned brace connecting device D and the brace to be opposed thereto. C is inserted in a state of non-elasticity with the front surface Ca of C.
【００２８】２４は、板ばねＥの弾性変形を規制する横
長の板ばね変形規制片２２を基端部に突設し、また、下
端部寄りにボルト挿通孔２３を形成した取付け板であ
る。この取付け板２４は、その板ばね変形規制片２２の
先端を基板Ｄａの内面側に突出させた状態で、その基板
Ｄａに形成した嵌合孔Ｄａ′，Ｄａ′にそれぞれ嵌入す
ることにより、上記固定具Ｂの連結支持板１１を挟むこ
とができる間隔で固定されている。Reference numeral 24 denotes a mounting plate having a horizontally long leaf spring deformation restricting piece 22 for restricting the elastic deformation of the leaf spring E protruding from the base end, and having a bolt insertion hole 23 formed near the lower end. The mounting plate 24 is fitted into fitting holes Da ′, Da ′ formed in the substrate Da in a state where the distal end of the leaf spring deformation restricting piece 22 protrudes toward the inner surface of the substrate Da. The fixture B is fixed at an interval at which the connection support plate 11 of the fixture B can be sandwiched.
【００２９】上記各ガイド脚板Ｄｂには、これの先端部
に所要長さの長孔２５が、これに取り付けられることに
なる筋交いＣの軸線に沿って長く貫通形成されており、
また、基端部には、上記板ばねＥの係止用突起Ｅａを挿
入するための方形の係止用孔２６，２６が貫通形成され
ている。Each guide leg plate Db is formed with a long hole 25 of a required length at the distal end thereof so as to extend long along the axis of the brace C to be attached thereto.
Further, rectangular locking holes 26, 26 for inserting the locking projections Ea of the leaf spring E are formed through the base end.
【００３０】上記構成の筋交い連結具Ｄは、上記固定具
Ｂの連結支持板１１のボルト挿通孔１４に、上記の取付
け片２４，２４のボルト挿通孔２３，２３を対向一致さ
せた状態で、軸支用ボルト２４ａを挿通することによ
り、連結支持板１１に対して垂直面内で揺動自在に軸支
された状態になる。The brace connecting device D having the above-described structure is configured such that the bolt inserting holes 23 of the mounting pieces 24 are aligned with the bolt inserting holes 14 of the connecting support plate 11 of the fixing device B. By inserting the shaft support bolts 24a, the connection support plate 11 is pivotally supported in a vertical plane.
【００３１】そして、筋交いＣの端部を筋交い連結具Ｄ
のガイド脚板Ｄｂ，Ｄｂ間に挿入して、その筋交いＣの
木口面Ｃａを板ばねＥに非弾圧状態で当接させ、また、
筋交いＣの貫通孔２９及び長孔２５に係止用ボルト２７
を挿通して、その先端にナット２８を螺合することによ
り、筋交いＣと筋交い連結具Ｄとを相対移動可能にして
取り付けることができる。Then, the end of the brace C is connected to the brace connecting tool D.
And between the guide leg plates Db and Db, the brace C is brought into contact with the leaf spring E in a non-elastic state, and
Locking bolt 27 in through hole 29 and elongated hole 25 of brace C
Is inserted, and the nut 28 is screwed into the tip of the nut, so that the brace C and the brace connector D can be attached so as to be relatively movable.
【００３２】すなわち、長孔２５は、筋交いＣの木口面
Ｃａを上記の板ばねＥに非弾圧状態で当接したときに、
その筋交いＣに突設した係止用ボルト２７が長孔２５の
先端部２５ａに当接する位置関係にして形成され、ま
た、その長さは、固定具Ｂから筋交いＣに加えられる圧
縮力に従った板ばねＥの変形量を考慮して、これに当接
している筋交いＣの移動を妨げることがないように設定
している。That is, when the opening 25 of the brace C comes into contact with the leaf spring E in a non-elastic state,
A locking bolt 27 protruding from the brace C is formed in a positional relationship in which the bolt 27 abuts on the distal end portion 25a of the elongated hole 25, and its length is in accordance with the compressive force applied to the brace C from the fixture B. In consideration of the amount of deformation of the leaf spring E, it is set so as not to hinder the movement of the brace C which is in contact with the leaf spring E.
【００３３】本実施形態においては、長孔２５と係止用
ボルト２７とにより、筋交いＣの木口面Ｃａと筋交い連
結具Ｄの基板Ｄａとの間隔が拡がることを阻止し、か
つ、それらの間隔が狭まることを許容するように、筋交
いＣに対する筋交い連結具Ｄの移動を制限する連結具移
動制限手段Ｈを構成している。In this embodiment, the elongated hole 25 and the locking bolt 27 prevent the gap between the opening Ca of the brace C and the board Da of the brace connecting device D from expanding, and furthermore, the gap between them is reduced. Is configured to limit the movement of the brace connecting tool D with respect to the brace C so as to allow the joint to be narrowed.
【００３４】３０は土台８を乗載したコンクリート基礎
に植設したアンカーボルトで、このアンカーボルト３０
は、上記緊結金具Ａの至近位置で土台８に貫通させて、
その突出端にナット３１を螺合緊締している。An anchor bolt 30 is planted on a concrete foundation on which the base 8 is mounted.
Is made to penetrate the base 8 at a position close to the above-mentioned tying fitting A,
A nut 31 is screwed onto the projecting end.
【００３５】上記の筋交い緊結構造を採用した木造建築
物に、地震等による外力が加えられる場合の動作につい
て説明する。筋交いＣに圧縮力及び引張力が加わってい
ないときには、図１１に示すように、筋交いＣの木口面
Ｃａと筋交い連結具Ｄの基板Ｄａとの間に、板ばねＥが
非弾圧状態で介挿されている。An operation in the case where an external force due to an earthquake or the like is applied to a wooden building employing the above-described bracing and binding structure will be described. When the compressive force and the tensile force are not applied to the brace C, as shown in FIG. 11, the leaf spring E is interposed between the opening Ca of the brace C and the board Da of the brace connecting device D in a non-elastic state. Have been.
【００３６】＜筋交いＣに圧縮力が加えられる場合＞ 筋交いＣが配置された、柱７と土台８又は柱７と梁（図
示しない）とが区画形成する直角の隅角部間の間隔が縮
まることにより、筋交いＣには、固定具Ｂ及び筋交い連
結具Ｄ側から板ばねＥを介して圧縮力Ｆ１が加えられる
ようになる。<When Compressive Force is Applied to Brace C> The space between the right-angle corners formed by the column 7 and the base 8 or the column 7 and the beam (not shown) in which the brace C is arranged is reduced. As a result, the compressive force F1 is applied to the brace C from the fixing tool B and the brace connecting tool D via the leaf spring E.
【００３７】その圧縮力Ｆ１により、図１２に示すよう
に、筋交い連結具Ｄは筋交いＣに接近するように、換言
すると、筋交い連結具Ｄの基板Ｄａと筋交いＣの木口面
Ｃａとの間隔が狭くなるように移動するとともに、板ば
ねＥがＥ′で示すように弾性変形し、これにより、筋交
いＣには板ばねＥによって減衰された圧縮力が加わるこ
とになる。By the compressive force F1, as shown in FIG. 12, the brace connecting device D approaches the brace C, in other words, the distance between the board Da of the brace connecting device D and the cut surface Ca of the brace C is increased. While moving so as to be narrow, the leaf spring E is elastically deformed as indicated by E ', whereby the brace C is subjected to the compressive force attenuated by the leaf spring E.
【００３８】また、筋交い連結具Ｄが筋交いＣに接近す
るとき、係止用ボルト２７に一端部２５ａを当接してい
た長孔２５は、その一端部２５ａが係止用ボルト２７か
ら離間するように移動することになるため、筋交いＣと
筋交い連結具Ｄとの相対的な移動を妨げることがない。
さらに、所要以上の圧縮力Ｆ１が作用したときには、図
１３にＥ″で示すように、板ばねＥが板ばね変形規制片
２２，２２に当接するように弾性変形し、その当接後
は、圧縮力Ｆ１が直接筋交いＣに加わることになる。When the brace connecting device D approaches the brace C, the elongated hole 25 in which the one end 25a is in contact with the locking bolt 27 is separated from the locking bolt 27. Therefore, the relative movement between the brace C and the brace connector D is not hindered.
Further, when a compressive force F1 greater than required is applied, the leaf spring E is elastically deformed so as to abut against the leaf spring deformation regulating pieces 22 as shown by E ″ in FIG. The compressive force F1 is directly applied to the brace C.
【００３９】＜筋交いに引張力が加えられる場合＞ 筋交いＣが配置された、柱７と土台８又は柱７と梁（図
示しない）とが区画形成する直角の隅角部間の間隔が拡
がろうとすることにより、筋交いＣには、固定具Ｂ及び
筋交い連結具Ｄ側から引張力Ｆ２が加えられるようにな
る。<When Tensile Force is Applied to the Brace> The space between the right-angle corners formed by the column 7 and the base 8 or the column 7 and the beam (not shown) in which the brace C is arranged is increased. As a result, the tension B is applied to the brace C from the fixture B and the brace connecting tool D side.
【００４０】その引張力Ｆ２により、筋交い連結具Ｄが
筋交いＣから離間するように、換言すると、筋交い連結
具Ｄの基板Ｄａと筋交いＣの木口面Ｃａとの間隔が拡が
るように移動しようとするが、長孔２５の一端部２５ａ
が係止用ボルト２７に係止していることにより、筋交い
連結具Ｄが筋交いＣから離間することが阻止され、筋交
いＣには引張力が加えられることになる。Due to the tensile force F2, the brace connecting device D is moved so as to be separated from the brace C, in other words, the space between the base plate Da of the brace connecting device D and the opening Ca of the brace C is increased. Is one end 25a of the long hole 25
Is locked to the locking bolt 27, the brace connecting device D is prevented from separating from the brace C, and a tensile force is applied to the brace C.
【００４１】[0041]
【発明の効果】本発明によれば、筋交いの木口面と筋交
い連結具との間に板ばねを介在しているので、その板ば
ねにより、筋交いに加わる地震等による圧縮力や引張力
を減衰させて弱化することができ、筋交いの挫屈や破損
を防止して耐震性を向上させることができる。従って、
従来のものと同じ強度の筋交いを使用すれば、耐震強度
を向上させることができ、また、従来と同じ耐震強度を
保持させるのであれば、より強度の低いものを使用する
ことができるので、コストを低減できる。特に、上記筋
交い連結具に設けた板ばね変形規制片を設けているの
で、上記板ばねの過度の変形を防止できる。According to the present invention, since a leaf spring is interposed between the opening of the brace and the brace connecting device, the plate spring attenuates the compressive force and the tensile force due to an earthquake or the like applied to the brace. The buckling and breakage of the braces can be prevented, and the earthquake resistance can be improved. Therefore,
By using a brace of the same strength as the conventional one, the seismic strength can be improved, and if the same seismic strength is maintained, a lower strength one can be used. Can be reduced. In particular, since the leaf spring deformation restricting piece provided on the brace connection tool is provided, excessive deformation of the leaf spring can be prevented.
【００４２】また、筋交いの木口面と筋交い連結具の基
板との間隔が拡がることを阻止し、かつ、それらの間隔
が狭まることを許容するように、筋交いに対する筋交い
連結具の移動を制限する連結具移動制限手段を設けるこ
とにより、筋交いに加わる圧縮力を弱化させることがで
き、その筋交いに引張力が加わったときには、当該木造
建築物の変形を阻止できる。さらに、連結支持板が取付
け板の幅員の中心線上に張設することにより外力をバラ
ンス良く受けることができる。Also, a connection for restricting the movement of the brace connection with respect to the brace so as to prevent the space between the opening of the brace and the board of the brace connection from expanding, and to allow the space between them to be reduced. By providing the tool movement restricting means, the compressive force applied to the brace can be reduced, and the deformation of the wooden building can be prevented when a tensile force is applied to the brace. Further, since the connecting support plate is stretched on the center line of the width of the mounting plate, the external force can be received in a well-balanced manner.
【図１】本発明の一実施形態に係る筋交い緊結構造とそ
の金具の斜視図である。FIG. 1 is a perspective view of a bracing structure and a metal fitting thereof according to an embodiment of the present invention.
【図２】同上の正面図である。FIG. 2 is a front view of the same.
【図３】同上の縦断側面図である。FIG. 3 is a vertical sectional side view of the same.
【図４】固定具の正面図である。FIG. 4 is a front view of the fixture.
【図５】同上の側面図である。FIG. 5 is a side view of the same.
【図６】同上の平面図である。FIG. 6 is a plan view of the same.
【図７】筋交い連結具の正面図である。FIG. 7 is a front view of a brace connecting device.
【図８】同上の側面図である。FIG. 8 is a side view of the same.
【図９】同上の平面図である。FIG. 9 is a plan view of the same.
【図１０】減衰部材である板バネの斜視図である。FIG. 10 is a perspective view of a leaf spring as a damping member.
【図１１】筋交い緊結金具の動作状態を示す縦断側面図
であり、筋交いに圧縮力及び引張力が加えられない状態
を示している。FIG. 11 is a longitudinal sectional side view showing an operating state of the brace tie, showing a state in which a compressive force and a tensile force are not applied to the brace.
【図１２】筋交い緊結金具の動作状態を示す縦断側面図
であり、筋交いに圧縮力が加えられた状態を示してい
る。FIG. 12 is a longitudinal side view showing an operation state of the brace tie, showing a state in which a compressive force is applied to the brace.
【図１３】筋交い緊結金具の動作状態を示す縦断側面図
であり、板ばね変形規制片に板ばねが当接する大きさの
圧縮力が加えられた状態を示している。FIG. 13 is a longitudinal sectional side view showing an operation state of the bracing fastener, showing a state in which a compressive force large enough to contact the leaf spring is applied to the leaf spring deformation regulating piece.
【図１４】従来の筋交い緊結構造とその金具の縦断側面
図である。FIG. 14 is a longitudinal sectional side view of a conventional brace-tightening structure and its metal fittings.
７ 柱 ８ 土台 ９，１０ 取付け板 １１ 連結支持板 ２２ 板ばね変形規制片 ２５ 長孔 ２７ 係止用ボルト Ｂ 固定具 Ｃ 筋交い Ｃａ 木口面 Ｄ 筋交い連結具 Ｄｂ ガイド脚板 Ｅ 板ばね Ｈ 連結具移動制限手段 7 pillar 8 base 9, 10 mounting plate 11 connecting support plate 22 leaf spring deformation restricting piece 25 long hole 27 locking bolt B fixing tool C brace Ca lug face D brace connecting tool Db guide leg plate E leaf spring H connecting tool movement restriction means
Claims (8)
の横架材の側面に当接する直角折曲形状をなす取付け板
９，１０の内面に連結支持板１１を張設してなり、その
固定具Ｂを、柱７と土台８又は柱７と梁とが形成する直
角な隅角部に設置していること、 筋交い連結具Ｄが、筋交いＣの木口面Ｃａに対向する基
板Ｄａの両端に、その筋交いＣの両側面に当接するガイ
ド脚板Ｄｂ，Ｄｂを折曲形成してコ字形に形成され、さ
らに、後記板ばねＥの弾性変形を規制する横長の板ばね
変形規制片２２を基端部に突設するとともに下端部寄り
にボルト挿通孔２３を形成した取付け板２４，２４が、
その板ばね変形規制片２２の先端を上記基板Ｄａの内面
側に突出させた状態で、該基板Ｄａに形成した嵌合孔Ｄ
ａ′，Ｄａ′にそれぞれ嵌入することにより、固定具Ｂ
の上記連結支持板１１を挟むことができる間隔で固定さ
れ、かつ、上記ガイド脚板Ｄｂ，Ｄｂの先端部に長孔２
５，２５を設けるとともに、同ガイド脚板Ｄｂ，Ｄｂの
基端部に係止用孔２６，２６を設けてなり、その筋交い
連結具Ｄを上記固定具Ｂに対し、上記連結支持板１１と
取付け板２４，２４とを軸支することにより、垂直面内
で揺動自在に取り付けていること、 側面円弧状で平面長方形の板ばねＥが、その両側端に係
止用突起Ｅａ，Ｅａを突設してなり、その係止用突起Ｅ
ａ，Ｅａを上記係止用孔２６，２６に挿入した状態にお
いて、上記筋交い連結具Ｄの基板Ｄａに重合位置してい
ること、 筋交いＣが、その端部を上記筋交い連結具Ｄのガイド脚
板Ｄｂ，Ｄｂ間に挿入され、その木口面Ｃａを上記板ば
ねＥに非弾圧状態で当接させるとともに、該筋交いＣの
貫通孔２９及び上記長孔２５，２５に挿通した係止用ボ
ルト２７の先端にナット２８を螺合し、これによって、
筋交いＣと筋交い連結具Ｄとを相対移動可能にしている
ことを特徴とする筋交い緊結構造。An outer surface of a fixing tool B is provided on a side surface of a pillar 7 and a base 8 or the like.
Mounting plate with a right-angled bent shape that abuts the side surface of the horizontal member
A connecting support plate 11 is stretched on the inner surface of each of the columns 9 and 10, and the fixture B is installed at a right angle formed by the column 7 and the base 8 or the column 7 and the beam. When the connecting tool D is opposed to the front face Ca of the brace C,
At both ends of the plate Da, guides that contact both sides of the brace C
De leg plates Db, and Db by bending form are formed in a U-shape, and
In addition, a horizontally long leaf spring that restricts elastic deformation of the leaf spring E described below.
The deformation regulating piece 22 is protruded from the base end and is closer to the lower end.
Mounting plates 24, 24 having bolt insertion holes 23 formed therein,
The tip of the leaf spring deformation restricting piece 22 is attached to the inner surface of the substrate Da.
Side, the fitting hole D formed in the substrate Da.
a ′ and Da ′, respectively, so that the fixture B
Fixed at an interval that allows the connection support plate 11 to be sandwiched.
Is, and the elongated hole 2 on the tip portion of the guide leg plates Db, Db
5 and 25, as well as locking holes 26, 26 at the base ends of the guide leg plates Db, Db, and the brace connecting tool D is attached to the fixing tool B to the connecting support plate 11. The plates 24, 24 are pivotally mounted so that they can be pivotally mounted in a vertical plane. A flat rectangular plate spring E having a circular arc shape on the side projects locking projections Ea, Ea on both side ends thereof. The locking projection E
a, Ea being inserted into the locking holes 26, 26, being overlapped with the board Da of the brace connecting device D, and the brace C having its end portion guided by the guide leg plate of the brace connecting device D. Db and Db, the front surface Ca thereof is brought into contact with the leaf spring E in a non-elastic state, and the locking bolt 27 is inserted through the through hole 29 of the brace C and the elongated holes 25 and 25. Screw the nut 28 on the tip,
A brace tightening structure characterized in that the brace C and the brace connector D are relatively movable.
基板Ｄａとの間隔が拡がることを阻止し、かつ、それら
の間隔が狭まることを許容するように、筋交いＣに対す
る筋交い連結具Ｄの移動を制限する連結具移動制限手段
Ｈが設けられていることを特徴とする請求項１記載の筋
交い緊結構造。2. The brace connecting device D for the brace C so as to prevent the gap between the opening face Ca of the brace C and the board Da of the brace connecting device D from expanding, and to allow the space to be narrowed. The brace tightening structure according to claim 1, further comprising a connecting member movement restricting means (H) for restricting the movement of the arm.
具Ｄのガイド脚板Ｄｂ，Ｄｂに形成した長孔２５，２５
と、その長孔２５，２５に挿入する筋交いＣに挿通した
係止用ボルト２７とからなることを特徴とする請求項２
記載の筋交い緊結構造。3. The connecting member movement restricting means H includes elongated holes 25, 25 formed in guide leg plates Db, Db of the brace connecting device D.
And a locking bolt (27) inserted through a brace (C) inserted into the elongated hole (25).
Brace tie structure as described.
と土台８等の横架材の側面の幅員の中心線上に一致させ
ている請求項１，２又は３記載の筋交い緊結構造。4. The bracing connection according to claim 1, wherein the connecting support plate of the fixture is aligned with the center line of the width of the side surface of the pillar and the side surface of the horizontal member such as the base. Construction.
面に当接する直角折曲形状をなす取付け板９，１０の内
面に連結支持板１１を張設してなり、柱７と土台８又は
柱７と梁とが形成する直角な隅角部に設置するようにし
た固定具Ｂと、筋交いＣの木口面Ｃａに対向する基板Ｄａの両端に、そ
の筋交いＣの両側面に当接するガイド脚板Ｄｂ，Ｄｂを
折曲形成して コ字形に形成され、さらに、後記板ばねＥ
の弾性変形を規制する横長の板ばね変形規制片２２を基
端部に突設するとともに下端部寄りにボルト挿通孔２３
を形成した取付け板２４，２４が、その板ばね変形規制
片２２の先端を上記基板Ｄａの内面側に突出させた状態
で、該基板Ｄａに形成した嵌合孔Ｄａ′，Ｄａ′にそれ
ぞれ嵌入することにより、固定具Ｂの上記連結支持板１
１を挟むことができる間隔で固定され、かつ、上記ガイ
ド脚板Ｄｂ，Ｄｂの先端部に長孔２５，２５を設けると
ともに、同ガイド脚板Ｄｂ，Ｄｂの基端部に係止用孔２
６，２６を設けてなり、上記固定具Ｂに対し、上記連結
支持板１１と取付け板２４とを軸支することにより垂直
面内で揺動自在に取り付けるようにした筋交い連結具Ｄ
と、 側面円弧状で平面長方形をなし、両側端に係止用突起Ｅ
ａ，Ｅａを突設してなり、その係止用突起Ｅａ，Ｅａを
上記係止用孔２６，２６に挿入した状態において、上記
筋交い連結具Ｄの基板Ｄａに重合位置させるようにした
板ばねＥとからなることを特徴とする筋交い緊結金具。5. The outer surface is defined by the side of the pillar 7 and the side of the horizontal member such as the base 8.
Of the mounting plates 9 and 10 having a right-angled bent shape in contact with the surface
It was stretched a connecting support plate 11 to the surface, the fixture B which is adapted to placed in perpendicular corner formed by the and the bar 7 and the base 8 or column 7 and the beam, the butt end face Ca bracing C At both ends of the opposing substrate Da,
Guide leg plates Db, Db abutting on both sides of brace C
It is formed in a U-shape by bending forming, further, below plate spring E
Based on a horizontally long leaf spring deformation restricting piece 22 for restricting elastic deformation of
At the end, the bolt insertion hole 23 is provided near the lower end.
The mounting plates 24, 24 formed with
The state in which the tip of the piece 22 protrudes toward the inner surface of the substrate Da
To fit the fitting holes Da ', Da' formed in the substrate Da.
Each of the connection support plates 1 of the fixture B is fitted by fitting.
1 are fixed at an interval capable of sandwiching them , and elongated holes 25, 25 are provided at the distal ends of the guide leg plates Db, Db, and locking holes 2 are formed at the base ends of the guide leg plates Db, Db.
Brace connecting device D, which is provided with the connecting support plate 11 and the mounting plate 24 so as to be swingable in a vertical plane with respect to the fixing device B.
And a flat rectangular shape with side arcs, and locking projections E on both sides
A leaf spring, which is formed by projecting a and Ea, and in which the locking projections Ea and Ea are inserted into the locking holes 26 and 26, and are overlapped on the substrate Da of the brace connecting tool D. A bracing fastener characterized by consisting of E.
基板Ｄａとの間隔が拡がることを阻止し、かつ、それら
の間隔が狭まることを許容するように、筋交いＣに対す
る筋交い連結具Ｄの移動を制限する連結具移動制限手段
Ｈが設けられていることを特徴とする請求項５記載の筋
交い緊結金具。6. The brace connecting device D for the brace C so as to prevent the space between the opening Ca of the brace C and the substrate Da of the brace connecting device D from expanding, and to allow the space to be narrowed. 6. A brace tie according to claim 5, further comprising a connector movement restricting means H for restricting the movement of the arm.
具Ｄのガイド脚板Ｄｂ，Ｄｂに形成した長孔２５，２５
と、その長孔２５，２５に挿入する筋交いＣに挿通した
係止用ボルト２７とからなることを特徴とする請求項６
記載の筋交い緊結金具。7. The connecting tool movement restricting means H includes elongated holes 25, 25 formed in guide leg plates Db, Db of the brace connecting tool D.
And a locking bolt (27) inserted through a brace (C) inserted into the elongated hole (25).
The braces described.
の中心線上に張設されている請求項５，６又は７記載の
筋交い緊結金具。8. The bracing fastener according to claim 5, wherein the connecting support plate is stretched on the center line of the width of the mounting plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21434299A JP3341251B2 (en) | 1999-07-28 | 1999-07-28 | Bracing ties and their fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21434299A JP3341251B2 (en) | 1999-07-28 | 1999-07-28 | Bracing ties and their fittings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001040765A JP2001040765A (en) | 2001-02-13 |
| JP3341251B2 true JP3341251B2 (en) | 2002-11-05 |
Family
ID=16654184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21434299A Expired - Fee Related JP3341251B2 (en) | 1999-07-28 | 1999-07-28 | Bracing ties and their fittings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3341251B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6179018B2 (en) * | 2013-01-31 | 2017-08-16 | 株式会社竹中工務店 | Seismic frame structure |
| JP6178132B2 (en) * | 2013-06-21 | 2017-08-09 | 住友ゴム工業株式会社 | Vibration control device |
-
1999
- 1999-07-28 JP JP21434299A patent/JP3341251B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001040765A (en) | 2001-02-13 |
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