JP4606137B2 - Battledore bolt - Google Patents
Battledore bolt Download PDFInfo
- Publication number
- JP4606137B2 JP4606137B2 JP2004342017A JP2004342017A JP4606137B2 JP 4606137 B2 JP4606137 B2 JP 4606137B2 JP 2004342017 A JP2004342017 A JP 2004342017A JP 2004342017 A JP2004342017 A JP 2004342017A JP 4606137 B2 JP4606137 B2 JP 4606137B2
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- JP
- Japan
- Prior art keywords
- bolt
- hole
- battledore
- horizontal member
- wing plate
- 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.)
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Description
本発明は、木造建物の柱と梁を接合する際などに用いている羽子板ボルトに関するものである。 The present invention relates to a battledore bolt used for joining columns and beams of a wooden building.
一端にボルト杆の基部を固着した羽子板部に締付けボルトの貫通孔を設けて羽子板状にした構造のものが一般で、概し、ボルト杆を柱に貫通させて柱より突出するボルト杆の先端にナットを螺合締付ける一方、横架材を通じた締付けボルトの先端を羽子板部側の前記貫通孔に貫通させて突出させ、該先端に締付けナットを螺合締付けるようにして柱と横架材を接合するようにしたものである。 Generally, the structure has a structure in which a through hole for a tightening bolt is provided in the wing plate part with the base of the bolt 固 着 fixed at one end, and the end of the bolt 突出 projecting from the column by passing the bolt に through the column. At the same time, the nut and the horizontal member are screwed and tightened while the tip of the tightening bolt through the horizontal member is projected through the through hole on the side of the blade plate, and the tightening nut is screwed and tightened to the tip. It is made to join.
前記従来例は、柱に貫通させたボルト杆に螺合したナットを螺合締付けることにより、締付けボルトを組付けた横架材を柱側に引き寄せるようにして柱と横架材との接合強度を図るのであるが、横架材に柱から離開する方向すなわちボルト杆による横架材の引き寄せ方向と反対方向の荷重が負荷されると、該荷重は締付けボルトを介して締付けボルトを貫通させた貫通孔部に必要以上に集中し、貫通孔部が破断し、羽子板ボルトとしての本来の機能が損われる場合がある。 In the conventional example, the fastening strength of the column and the horizontal member is drawn by pulling the horizontal member assembled with the tightening bolt to the column side by screwing and tightening the nut screwed into the bolt rod penetrated through the column. However, when a load is applied to the horizontal member in the direction away from the column, that is, the direction opposite to the direction in which the horizontal member is drawn by the bolt rod, the load penetrates the tightening bolt through the tightening bolt. It may concentrate more than necessary in the through-hole portion, the through-hole portion may break, and the original function as a battledore bolt may be impaired.
本発明は、従来例の斯様な欠点に着目し、破断の発生を可及的に防ぐ羽子板ボルトを提供すべく創案したものである。 The present invention has been devised to provide a battledore bolt that prevents the occurrence of breakage as much as possible by paying attention to such drawbacks of the conventional example.
一端にボルト杆の基部を固着した羽子板部に締付けボルトの貫通孔を設けて成り、前記貫通孔を、前記羽子板部部分をリブ状にして上方に膨出させて設け、しかも、下端が前記羽子板部の下面より突出する円筒部の内周縁で構成したこととしたものである。 A through-hole of a tightening bolt is provided in a wing plate portion to which a base portion of a bolt rod is fixed at one end, and the through-hole is provided by bulging upward with the wing plate portion portion being ribbed , and the lower end is the wing plate. It is supposed to be constituted by the inner peripheral edge of the cylindrical portion protruding from the lower surface of the portion .
本発明によれば、貫通孔の縁部に締付けボルトを介して荷重が集中しても該縁部を円筒部の内周縁で構成するものであるから当該縁部に生じる破断を可及的に防ぐことができる。 According to the present invention, even if a load is concentrated on the edge of the through-hole via the tightening bolt, the edge is constituted by the inner peripheral edge of the cylindrical portion, so that breakage that occurs in the edge is made as much as possible. Can be prevented.
また、貫通孔を、いわばリブ状態で構成するものであるから羽子板部の屈曲性やせん断性の向上を図れ、地震などの振動によるナットのゆるみをスプリング効果により抑制することも期待でき、総じて耐久性的な、接合強度を増大させた羽子板ボルトを提供できる。 In addition, since the through-hole is configured in a so-called rib state, it can be expected to improve the flexibility and shearing of the battledore, and to suppress the loosening of the nut due to vibration such as an earthquake by the spring effect, which is generally durable. It is possible to provide a wing plate bolt having increased sexual bonding strength.
図面は本発明に係る羽子板ボルトの一実施例を示し、図1は使用状態を示す正面図、図2は図1の要部の拡大断面図である。 The drawings show one embodiment of a battledore bolt according to the present invention, FIG. 1 is a front view showing a use state, and FIG. 2 is an enlarged cross-sectional view of a main part of FIG.
本発明に係る羽子板ボルトAは、羽子板部(主体板)1の長手方向の一端に、相対する両端を屈曲状にして立ち上り部片2,2を相対設し、該立ち上り部2の上端にボルト杆3の基端を固着(熔接)する一方、前記羽子板部1の他の一端側には締付けボルト4を挿通する貫通孔5を設けて構成したものである。
A battledore bolt A according to the present invention has a rising
この羽子板ボルトAを構成する前記貫通孔5は、前記羽子板部1の前記他の一端側の中央部分をリング形のリブ状にして(プレス搾り加工して)上方に膨出させて設けた円筒部6の内周縁6aで構成し、円筒部6の下端は、前記羽子板部1の下面1´より下方にわずかに突出させてある(この突出量は、円筒部6をふくんだリブ状部6Aのプレス加工によって得られる形態の大きさによって定まる)。
The through-hole 5 constituting the battledore bolt A is a cylinder provided by bulging upward the center part of the other end side of the battledore part 1 in the form of a ring-shaped rib (pressed). The lower end of the
しかして、ボルト杆3を柱10に形成した通し孔11に貫通させて羽子板部1を横架材12に重ね合わせるようにして貫通孔5を横架材13に形成した通し孔14と一致させ、通し孔14側から前記締付けボルト4を貫通させて前記貫通孔5より突出する締付けボルト4の先端に締付けナット7を螺合締付けて羽子板部1を横架材13に固定する一方、柱10の通し孔11より突出するボルト杆3の先端にナット8を螺合締付けるようにして羽子板ボルトAを用い、柱10と横架材13は接合される。
Accordingly, the through hole 5 is made to coincide with the through hole 14 formed in the horizontal member 13 such that the bolt rod 3 is passed through the through hole 11 formed in the column 10 and the battledore portion 1 is overlapped with the horizontal member 12. The
なお、締付けボルト4とこれに螺合した締付けナット7によって横架材13に締め付けられることにより円筒部6の、羽子板部下面1´より突出する下端(先端)6´は横架材13に減り込んで横架材13に強固に固定される。
The lower end (front end) 6 ′ of the
1 羽子板部
3 ボルト杆
4 締付けボルト
5 貫通孔
6 円筒部
6a 内周縁
DESCRIPTION OF SYMBOLS 1 Lung board part 3
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004342017A JP4606137B2 (en) | 2004-11-26 | 2004-11-26 | Battledore bolt |
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JP2004342017A JP4606137B2 (en) | 2004-11-26 | 2004-11-26 | Battledore bolt |
Publications (2)
Publication Number | Publication Date |
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JP2006152596A JP2006152596A (en) | 2006-06-15 |
JP4606137B2 true JP4606137B2 (en) | 2011-01-05 |
Family
ID=36631205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004342017A Active JP4606137B2 (en) | 2004-11-26 | 2004-11-26 | Battledore bolt |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0385727U (en) * | 1989-12-13 | 1991-08-29 | ||
JPH1150552A (en) * | 1997-07-31 | 1999-02-23 | Kaneshin:Kk | Strap bolt |
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2004
- 2004-11-26 JP JP2004342017A patent/JP4606137B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0385727U (en) * | 1989-12-13 | 1991-08-29 | ||
JPH1150552A (en) * | 1997-07-31 | 1999-02-23 | Kaneshin:Kk | Strap bolt |
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JP2006152596A (en) | 2006-06-15 |
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