JP6655055B2 - Bolt connector - Google Patents

Bolt connector Download PDF

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JP6655055B2
JP6655055B2 JP2017221194A JP2017221194A JP6655055B2 JP 6655055 B2 JP6655055 B2 JP 6655055B2 JP 2017221194 A JP2017221194 A JP 2017221194A JP 2017221194 A JP2017221194 A JP 2017221194A JP 6655055 B2 JP6655055 B2 JP 6655055B2
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bolt
fastening member
fastening
connection
base
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裕生 中島
裕生 中島
竜司 池辺
竜司 池辺
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Inaba Denki Sangyo Co Ltd
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Description

本発明は、2本のボルトを連結するボルト連結具に関する。   The present invention relates to a bolt connector for connecting two bolts.

例えばケーブルラックやダクト等の吊設機器は、吊ボルト(第一ボルトの一例)を用いて天井スラブ等の構造体から吊設される場合がある。このような場合において、地震等に起因する吊設機器の揺れ動きを抑制するため、吊ボルトから、それに隣接する他の吊ボルトに対して交差姿勢で振止ボルト(第二ボルトの一例)を配設し、これらを相互に連結して補強する場合がある。この場合、2本のボルトを連結するボルト連結具が用いられる。   For example, a hanging device such as a cable rack or a duct may be hung from a structure such as a ceiling slab using a hanging bolt (an example of a first bolt). In such a case, in order to suppress the swinging motion of the hanging equipment due to an earthquake or the like, a suspension bolt (an example of a second bolt) is arranged in a crossing posture from the suspension bolt to another suspension bolt adjacent thereto. In some cases, these are interconnected and reinforced. In this case, a bolt connector for connecting two bolts is used.

このようなボルト連結具の一例が、例えば特開2002−339918号公報(特許文献1)に開示されている。特許文献1のボルト連結具は、吊りボルトPを狭着する狭着体1と、連結ボルト2によって狭着体1に連結された斜め支持体3とを備えている。そして、吊りボルトPに交差する長ボルトQは、L字形に屈曲形成された斜め支持体3の挿通孔3Bに挿通された状態で一対の固定ナット5を用いて両側から締め付けられて斜め支持体3に固定されている。   An example of such a bolt connector is disclosed in, for example, JP-A-2002-339918 (Patent Document 1). The bolt connector of Patent Literature 1 includes a narrow body 1 for tightly attaching the suspension bolt P, and an oblique support 3 connected to the narrow body 1 by a connecting bolt 2. The long bolt Q intersecting with the suspension bolt P is tightened from both sides using a pair of fixing nuts 5 in a state where the long bolt Q is inserted into the insertion hole 3B of the oblique support 3 bent and formed into an L shape. It is fixed to 3.

特許文献1のボルト連結具では、長ボルトQを斜め支持体3に固定するには斜め支持体3の挿通孔3Bに長ボルトQを挿通させる必要があるところ、例えば長ボルトQが長い場合等にはそのような挿通操作が容易ではない場合がある。また、長ボルトQを固定するのに一対の固定ナット5の締付操作が必要なので、2本のボルトP,Qを連結するのに多くの労力を要する。さらに、長ボルトQに対する斜め支持体3の固定位置を変更するにも一対の固定ナット5の緩め操作及び締付操作が必要となるので、この点からも2本のボルトP,Qを連結するのに多くの労力を要する。   In the bolt connector of Patent Document 1, in order to fix the long bolt Q to the oblique support 3, it is necessary to insert the long bolt Q into the insertion hole 3B of the oblique support 3, for example, when the long bolt Q is long. In some cases, such an insertion operation is not easy. Further, since a tightening operation of the pair of fixing nuts 5 is required to fix the long bolt Q, much labor is required to connect the two bolts P and Q. Furthermore, since the operation of loosening and tightening the pair of fixing nuts 5 is also required to change the fixing position of the oblique support 3 with respect to the long bolt Q, the two bolts P and Q are also connected from this point. It takes a lot of work to do.

特開2002−339918号公報JP-A-2002-339918

第一ボルトと第二ボルトとの連結作業を容易に行うことができるボルト連結具が望まれる。   There is a demand for a bolt connector that can easily perform a connection operation between the first bolt and the second bolt.

本発明に係るボルト連結具は、
第一ボルトと第二ボルトとを連結するボルト連結具であって、
第一狭着部材と、第二狭着部材と、連結ボルトと、弾性部材と、を備え、
前記連結ボルトの締結によって、他部材と前記第一狭着部材との間に前記第一ボルトが狭着固定されるとともに、他部材と前記第二狭着部材との間に前記第二ボルトが狭着固定され、
前記弾性部材が、前記連結ボルトの緩締め状態で前記第一狭着部材と前記第二狭着部材とを互いに近接させるように付勢するべく、前記連結ボルトに装着されている。
The bolt connector according to the present invention,
A bolt connector for connecting the first bolt and the second bolt,
A first fastening member, a second fastening member, a connection bolt, and an elastic member,
By fastening the connection bolt, the first bolt is tightly fixed between another member and the first fastening member, and the second bolt is located between the other member and the second fastening member. Fixed tightly,
The elastic member is attached to the connection bolt so as to urge the first fastening member and the second fastening member to be close to each other when the connection bolt is loosely tightened.

この構成によれば、1つの連結ボルトを締結するだけで、第一狭着部材を用いて第一ボルトを狭着固定するとともに、第二狭着部材を用いて第二ボルトを狭着固定することができる。第一狭着部材及び第二狭着部材は、連結ボルトが締結される前の緩締め状態で当該連結ボルトを軸として回動自在なので、第一ボルトと第二ボルトとが様々な角度で交差する場合にも対応可能である。よって、第一ボルトと第二ボルトとを容易に連結することができる。また、連結ボルトが締結される前の緩締め状態で、連結ボルトに装着される弾性部材の付勢力により、第一ボルトと第二ボルトとを同時に仮止めすることができる。このため、作業者は、連結対象の2本ボルトをしっかりと支える必要がなく、他の操作に集中して作業を行うことができる。よって、この点からも、第一ボルトと第二ボルトとを容易に連結することができる。   According to this configuration, the first bolt is narrowed and fixed using the first tightening member, and the second bolt is narrowed and fixed using the second tightening member, by simply fastening one connecting bolt. be able to. Since the first fastening member and the second fastening member are rotatable around the connection bolt in a loosely tightened state before the connection bolt is fastened, the first bolt and the second bolt intersect at various angles. It is possible to cope with the case. Therefore, the first bolt and the second bolt can be easily connected. Further, in a loosely tightened state before the connection bolt is fastened, the first bolt and the second bolt can be temporarily fixed at the same time by the urging force of the elastic member attached to the connection bolt. Therefore, the worker does not need to firmly support the two bolts to be connected, and can concentrate on other operations. Therefore, also from this point, the first bolt and the second bolt can be easily connected.

以下、本発明の好適な態様について説明する。但し、以下に記載する好適な態様例によって、本発明の範囲が限定される訳ではない。   Hereinafter, preferred embodiments of the present invention will be described. However, the scope of the present invention is not limited by the following preferred embodiments.

一態様として、
前記第一狭着部材との間に前記第一ボルトを狭着固定する前記他部材と、前記第二狭着部材との間に前記第二ボルトを狭着固定する前記他部材とが、板材で構成された共通のベース部材であり、
前記第一狭着部材と前記第二狭着部材とが前記ベース部材における互いに反対側の面に配設されていることが好ましい。
In one aspect,
The other member that narrows and fixes the first bolt between the first narrowing member and the other member that narrows and fixes the second bolt between the second narrowing member and a plate material Is a common base member composed of
It is preferable that the first narrowing member and the second narrowing member are arranged on mutually opposite surfaces of the base member.

この構成によれば、共通のベース部材の両側に第一狭着部材と第二狭着部材とを配設しつつ1つの連結ボルトを締結するだけで第一ボルト及び第二ボルトをそれぞれ狭着固定でき、第一ボルトと第二ボルトとを容易に連結することができる。その際、共通のベース部材を間に介することで、当該ベース部材に対する第一ボルトの仮止めと第二ボルトの仮止めとを、別々に、それぞれ安定的に行うことができる。さらに、第一狭着部材との間に第一ボルトを狭着固定するための部材と、第二狭着部材との間に第二ボルトを狭着固定するための部材とを共用させることで、それぞれ専用の部材を用いる場合に比べて、部品点数を少なく抑えて低コスト化を図ることができる。   According to this configuration, the first bolt and the second bolt are respectively fastened only by fastening one connecting bolt while disposing the first fastening member and the second fastening member on both sides of the common base member. It can be fixed, and the first bolt and the second bolt can be easily connected. In this case, the temporary fixing of the first bolt and the temporary fixing of the second bolt to the base member can be separately and stably performed by interposing the common base member therebetween. Further, by sharing the member for tightly fixing the first bolt between the first fastening member and the member for tightly fixing the second bolt between the second fastening member. As compared with the case where dedicated members are used, the number of parts can be reduced and the cost can be reduced.

一態様として、
前記ベース部材が、前記第一狭着部材及び前記第二狭着部材が配設されるベース本体部と、前記第一ボルトを前記第一狭着部材の配設面へと案内するガイド部と、を有することが好ましい。
In one aspect,
The base member, a base body portion on which the first fastening member and the second fastening member are arranged, and a guide portion for guiding the first bolt to an arrangement surface of the first fastening member. Is preferable.

この構成によれば、ベース部材のガイド部の案内機能により、ベース本体部における第一狭着部材の配設面側に第一ボルトを誘導することができ、第一ボルトを容易に狭着固定することができる。   According to this configuration, the guide function of the guide portion of the base member allows the first bolt to be guided to the side of the base body where the first fastening member is provided, and the first bolt is easily fastened and fixed. can do.

一態様として、
前記ベース部材が、前記第一狭着部材における前記第一ボルトの固定部位が前記ガイド部の設置位置を向くように前記第一狭着部材の配設姿勢を規制する規制部をさらに有することが好ましい。
In one aspect,
The base member may further include a regulating portion that regulates an arrangement posture of the first fastening member so that a fixing portion of the first bolt in the first fastening member faces an installation position of the guide portion. preferable.

この構成によれば、ベース本体部における第一狭着部材の配設面側に誘導されてきた第一ボルトを、第一狭着部材における第一ボルトの固定部位で迎えることができる。よって、第一ボルトをさらに容易に狭着固定することができる。   According to this configuration, the first bolt guided to the side of the base body where the first fastening member is provided can be received by the first bolt fixing portion of the first fastening member. Therefore, the first bolt can be more easily fixed tightly.

一態様として、
前記第一狭着部材が、前記第一ボルトを当該第一ボルトの固定部位へと案内するガイド部を有することが好ましい。
In one aspect,
It is preferable that the first fastening member has a guide portion for guiding the first bolt to a fixing portion of the first bolt.

この構成によれば、第一狭着部材のガイド部の案内機能により、ベース部材と第一狭着部材の固定部位との間に第一ボルトを容易に誘導することができる。よって、第一ボルトを容易に狭着固定することができる。   According to this configuration, the first bolt can be easily guided between the base member and the fixing portion of the first fastening member by the guide function of the guide portion of the first fastening member. Therefore, the first bolt can be easily fixed tightly.

一態様として、
前記第一狭着部材との間に前記第一ボルトを狭着固定する前記他部材は、前記第二狭着部材であり、
前記第二狭着部材との間に前記第二ボルトを狭着固定する前記他部材は、前記第一狭着部材であることが好ましい。
In one aspect,
The other member for tightly fixing the first bolt between the first fastening member is the second fastening member,
It is preferable that the other member for tightly fixing the second bolt between the second fastening member and the second fastening member is the first fastening member.

この構成によれば、第一狭着部材と第二狭着部材とで、第一ボルトを狭着固定するとともに第二ボルトを狭着固定することができる。よって、第一狭着部材との間に第一ボルトを狭着固定し、及び、第二狭着部材との間に第二ボルトを狭着固定するための専用の部材をそれぞれ用いる場合は勿論のこと、共通のベース部材を用いる場合に比べても、部品点数を少なく抑えて低コスト化を図ることができる。   According to this configuration, the first bolt can be narrowly fixed and the second bolt can be narrowly fixed by the first narrowing member and the second narrowing member. Therefore, it is needless to say that the first bolt is tightly fixed between the first fastening member and the dedicated member for tightly fixing the second bolt between the second fastening member. That is, compared to the case where a common base member is used, the number of components can be reduced and the cost can be reduced.

一態様として、
前記第一狭着部材と前記第二狭着部材とが同一形状に形成されているとともに、これらが前記連結ボルトの挿通孔の周囲に環状突起を有し、
前記環状突起の内側に、前記連結ボルトに螺合されるナットの回り止め部が設けられ、
前記連結ボルトの締結操作時に前記第一狭着部材及び前記第二狭着部材のうちの一方の前記環状突起で前記ナットを回り止め可能であるとともに、前記連結ボルトの締結後は前記第一狭着部材及び前記第二狭着部材のうちの他方の前記環状突起の内側空間に前記弾性部材を収容可能であることが好ましい。
In one aspect,
The first fastening member and the second fastening member are formed in the same shape, and these have an annular protrusion around the insertion hole of the connection bolt,
A detent part for a nut screwed to the connection bolt is provided inside the annular projection,
The nut can be prevented from rotating by the annular projection of one of the first fastening member and the second fastening member at the time of the fastening operation of the connection bolt, and after the fastening of the connection bolt, the first narrowing member is closed. It is preferable that the elastic member can be accommodated in the space inside the annular projection of the other of the attaching member and the second narrow attaching member.

この構成によれば、第一狭着部材及び第二狭着部材の作製のための金型を共通化することができ、製造コストを低減することができる。また、第一狭着部材及び第二狭着部材のうちの一方においては、環状突起の内側の回り止め部でナットを回り止めして連結ボルトの締結操作を容易に行うことができる。加えて、第一狭着部材及び第二狭着部材のうちの他方においては、環状突起の内側空間に弾性部材を収容することで、締結される第二連結ボルトによって第一ボルトと第二ボルトとを安定的に固定することができる。   According to this configuration, it is possible to use a common mold for producing the first fastening member and the second fastening member, and it is possible to reduce the manufacturing cost. In one of the first fastening member and the second fastening member, the nut is prevented from rotating by the rotation preventing portion inside the annular projection, so that the fastening operation of the connection bolt can be easily performed. In addition, in the other of the first fastening member and the second fastening member, the first bolt and the second bolt are fastened by the second connection bolt being fastened by housing the elastic member in the inner space of the annular projection. Can be fixed stably.

本発明のさらなる特徴と利点は、図面を参照して記述する以下の例示的かつ非限定的な実施形態の説明によってより明確になるであろう。   Further features and advantages of the present invention will become more apparent from the following description of exemplary and non-limiting embodiments described with reference to the drawings.

実施形態のボルト連結具を用いた吊下支持構造の正面図Front view of a suspension support structure using a bolt connector according to an embodiment ボルト連結具の平面図Top view of bolt connector ボルト連結具の斜視図Perspective view of bolt connector ボルト連結具の斜視図Perspective view of bolt connector ボルト連結具の分解斜視図Exploded perspective view of a bolt connector ボルト連結具の取付作業中の一局面を示す平面図FIG. 2 is a plan view showing one aspect of the mounting operation of the bolt connector. ボルト連結具の取付作業中の一局面を示す平面図FIG. 2 is a plan view showing one aspect of the mounting operation of the bolt connector. ボルト連結具の断面図Cross section of bolt connector 別態様のボルト連結具の平面図Plan view of a bolt connector of another embodiment 別態様のボルト連結具の平面図Plan view of a bolt connector of another embodiment 別態様のボルト連結具の斜視図Perspective view of a bolt connector of another embodiment

ボルト連結具の実施形態について、図面を参照して説明する。本実施形態のボルト連結具1は、2本のボルトを連結するための器具である。本実施形態では、吊ボルトPと振止ボルトQとを連結するボルト連結具1を例として説明する。なお、以下の説明で参照する平面図及び断面図においては、理解を容易化する目的で、第一狭着部材20と第二狭着部材30とが互いに逆向きの位置関係となるように描いている。   An embodiment of a bolt connector will be described with reference to the drawings. The bolt connector 1 of the present embodiment is a device for connecting two bolts. In the present embodiment, a bolt connector 1 that connects a suspension bolt P and a vibration-prevention bolt Q will be described as an example. Note that, in the plan view and the cross-sectional view referred to in the following description, for the purpose of facilitating understanding, the first fastening member 20 and the second fastening member 30 are drawn so as to have a positional relationship opposite to each other. ing.

図1に、構造体に吊設機器Eを吊り下げ支持する支持構造を示す。本支持構造は、構造体から垂設された吊ボルトPを吊設機器Eに固定してなる。なお、構造体は例えばコンクリート製の天井スラブや梁等であって良く、吊設機器Eは例えばケーブルラックや照明機器、空調機器の室内機等であって良い。   FIG. 1 shows a support structure for suspending and supporting a hanging device E on a structure. In the present support structure, a suspension bolt P suspended from a structure is fixed to a suspension device E. The structure may be, for example, a ceiling slab or a beam made of concrete, and the hanging device E may be, for example, a cable rack, a lighting device, or an indoor unit of an air conditioner.

互いに隣り合う吊ボルトPどうしの間に、それらに交差する姿勢で振止ボルトQが配置されている。ボルト連結具1は、吊ボルトPと、その隣に位置する吊ボルトPに対して交差姿勢で配設される振止ボルトQとを連結する。本実施形態では、吊ボルトPが「第一ボルト」に相当し、振止ボルトQが「第二ボルト」に相当する。   A damping bolt Q is disposed between the hanging bolts P adjacent to each other in a posture intersecting them. The bolt connector 1 connects the suspension bolt P and a vibration-prevention bolt Q disposed in a crossing posture with respect to the suspension bolt P located next to the suspension bolt P. In the present embodiment, the hanging bolts P correspond to “first bolts”, and the retaining bolts Q correspond to “second bolts”.

図2〜図5に示すように、本実施形態のボルト連結具1は、ベース部材10と、第一狭着部材20と、第二狭着部材30と、連結ボルト40と、弾性部材50とを備えている。連結ボルト40により、第一狭着部材20がベース部材10に取り付けられているとともに、第二狭着部材30がベース部材10に取り付けられている。第一狭着部材20と第二狭着部材30とは、ベース部材10における互いに反対側の面に配設されている。第一狭着部材20がベース部材10の第一面10aに配設され、第二狭着部材30が、ベース部材10における第一面10aとは反対側の第二面10bに配設されている。連結ボルト40には、弾性部材50が装着されている。   As shown in FIGS. 2 to 5, the bolt connector 1 of the present embodiment includes a base member 10, a first fastening member 20, a second fastening member 30, a connection bolt 40, and an elastic member 50. It has. The first fastening member 20 is attached to the base member 10 by the connecting bolt 40, and the second fastening member 30 is attached to the base member 10. The first fastening member 20 and the second fastening member 30 are disposed on surfaces of the base member 10 opposite to each other. The first fastening member 20 is provided on the first surface 10a of the base member 10, and the second fastening member 30 is provided on the second surface 10b of the base member 10 opposite to the first surface 10a. I have. An elastic member 50 is mounted on the connection bolt 40.

ベース部材10は、第一狭着部材20及び第二狭着部材30を取り付けるための共通の基材である。本実施形態のベース部材10は、例えば金属製の板材で構成されている。ベース部材10は、ベース本体部11とガイド部16とを有する。ベース本体部11は、第一狭着部材20及び第二狭着部材30の固定部を提供する部位である。ベース本体部11は、円板状に形成されている。ベース本体部11の中心部には、連結ボルト40の軸部42が挿通可能な挿通孔12が形成されている。また、ベース本体部11には、挿通孔12を取り囲むように厚み方向の一方側(本例では第二面10b側)に突出する環状突起13が形成されている。ベース部材10が環状突起13を有することで、当該ベース部材10のメッキ処理をガラメッキ(バレルメッキ)で行う場合にも、ベース部材10どうしの貼り付きが生じにくい。   The base member 10 is a common base material for attaching the first fastening member 20 and the second fastening member 30. The base member 10 of the present embodiment is made of, for example, a metal plate. The base member 10 has a base body 11 and a guide 16. The base main body 11 is a portion that provides a fixing portion for the first fastening member 20 and the second fastening member 30. The base body 11 is formed in a disk shape. An insertion hole 12 through which the shaft 42 of the connection bolt 40 can be inserted is formed in the center of the base body 11. Further, the base main body 11 is formed with an annular projection 13 projecting to one side in the thickness direction (the second surface 10b side in this example) so as to surround the insertion hole 12. Since the base member 10 has the annular protrusion 13, even when the base member 10 is plated by glass plating (barrel plating), sticking of the base members 10 is unlikely to occur.

また、ベース本体部11には、環状突起13の外側に、厚み方向において環状突起13の突出方向とは反対側(本例では第一面10a側)に突出する規制部14が形成されている。規制部14は、ベース本体部11の直径方向において環状突起13を挟んで互いに反対側に位置するように、2つ一組で設けられている。一対の規制部14は、直方体状の突起部として形成されているとともに、当該直方体状の突起部の長手方向がベース本体部11の直径方向に直交する向きとなる状態で互いに平行に設けられている。一対の規制部14の間隔は、第一狭着部材20の幅と同等に設定されている。一対の規制部14は、第一狭着部材20に対して両側方から当接することで、第一狭着部材20の配設姿勢を特定姿勢に規制する。規制部14も、ガラメッキ時におけるベース部材10どうしの貼り付き防止に寄与している。   Further, the base body 11 is provided with a restricting portion 14 that protrudes on the side opposite to the direction in which the annular protrusion 13 protrudes in the thickness direction (the first surface 10a side in this example) outside the annular protrusion 13. . The regulating portions 14 are provided in pairs so as to be located on opposite sides of the annular projection 13 in the diameter direction of the base body portion 11. The pair of restricting portions 14 are formed as rectangular parallelepiped projections, and are provided in parallel with each other in a state where the longitudinal direction of the rectangular parallelepiped projections is orthogonal to the diameter direction of the base main body 11. I have. The interval between the pair of restriction portions 14 is set to be equal to the width of the first narrow attachment member 20. The pair of regulating portions 14 regulate the disposition posture of the first fastening member 20 to a specific posture by contacting the first fastening member 20 from both sides. The restricting portion 14 also contributes to preventing the base members 10 from sticking to each other during the plating.

ガイド部16は、ベース本体部11の周方向の一部の領域において径方向に突出するように形成されている。ベース本体部11とガイド部16とは一体的に形成されている。ベース本体部11は、全体として(環状突起13及び規制部14以外の部分が)平板状に形成されており、ガイド部16は、全体として平板状のベース本体部11に対して傾斜するように屈曲形成されている。ベース本体部11とガイド部16との傾斜角度(なす角)は、例えば120°〜150°であって良く、本実施形態では135°程度に設定されている。ガイド部16は、連結対象の吊ボルトPを、ベース部材10における第一狭着部材20の配設面である第一面10aへと案内する役割を果たす。   The guide portion 16 is formed so as to protrude in the radial direction in a part of the circumferential direction of the base body portion 11. The base body 11 and the guide 16 are integrally formed. The base main body 11 is formed in a flat plate shape as a whole (the portions other than the annular protrusion 13 and the restricting portion 14), and the guide portion 16 is inclined so as to be inclined with respect to the flat base body 11 as a whole. It is bent. The inclination angle (angle formed) between the base body 11 and the guide 16 may be, for example, 120 ° to 150 °, and is set to about 135 ° in the present embodiment. The guide portion 16 plays a role of guiding the suspension bolt P to be connected to the first surface 10 a of the base member 10, which is the surface on which the first fastening member 20 is provided.

ガイド部16は、ベース本体部11の周方向における一対の規制部14の設置位置の中間部に設けられている。ガイド部16は、長方形状に形成されているとともに、当該長方形状のガイド部16の長手方向の長さが第一狭着部材20の幅と同程度又はそれよりも若干狭い長さに設定されている。これにより、ガイド部16は、一対の規制部14によって姿勢保持されている第一狭着部材20の湾曲部26(これは、第一狭着部材20における吊ボルトPの固定部位である)に沿うように設けられている。逆に言えば、上述した規制部14は、第一狭着部材20の湾曲部26がガイド部16の設置位置を向くように第一狭着部材20の配設姿勢を規制している。   The guide portion 16 is provided at an intermediate portion between the installation positions of the pair of regulating portions 14 in the circumferential direction of the base body portion 11. The guide portion 16 is formed in a rectangular shape, and the length in the longitudinal direction of the rectangular guide portion 16 is set to be substantially equal to or slightly smaller than the width of the first fastening member 20. ing. Accordingly, the guide portion 16 is attached to the curved portion 26 of the first fastening member 20 (this is a fixing portion of the suspension bolt P in the first fastening member 20), which is held in the posture by the pair of regulating portions 14. It is provided along. In other words, the restricting portion 14 restricts the disposition posture of the first narrowing member 20 so that the curved portion 26 of the first narrowing member 20 faces the installation position of the guide portion 16.

第一狭着部材20は、他部材であるベース部材10との間に吊ボルトPを狭着固定するための部材である。第一狭着部材20は、例えば金属製の板材で構成されている。第一狭着部材20は、狭着本体部21と湾曲部26とリブ部29とを有する。狭着本体部21は、ベース部材10に重ね合わされて当該ベース部材10への固定部となる部位である。狭着本体部21は、矩形状領域と半円状領域とが組み合わされてなるD字状に形成されている。狭着本体部21の中心部には、連結ボルト40の軸部42が挿通可能な挿通孔22が形成されている。また、狭着本体部21には、挿通孔22を取り囲むように環状突起13が形成されている。環状突起13は、ベース部材10とは反対側に向かって突出するように形成されている。   The first fastening member 20 is a member for tightly fixing the hanging bolt P between the first fastening member 20 and the base member 10 as another member. The first fastening member 20 is made of, for example, a metal plate. The first fastening member 20 has a fastening body 21, a curved portion 26, and a rib 29. The narrow attachment main body 21 is a part that is superimposed on the base member 10 and serves as a fixing part to the base member 10. The narrow attachment main body 21 is formed in a D-shape formed by combining a rectangular area and a semicircular area. An insertion hole 22 through which the shaft portion 42 of the connection bolt 40 can be inserted is formed in the center of the narrow attachment main body 21. Further, an annular projection 13 is formed in the narrow attachment main body 21 so as to surround the insertion hole 22. The annular projection 13 is formed so as to project toward the opposite side to the base member 10.

環状突起23の内側には、連結ボルト40に螺合されるナット45の回り止め部24が設けられている。本実施形態では、環状突起23自体は円環状に形成されているとともに、その内側には、ナット45の外形形状に対応する多角形状(本例では六角形状)の凹部が形成されている。この多角形状の凹部により、回り止め部24が構成されている。このような回り止め部24を環状突起23に有することで、連結ボルト40の締結操作時に、ナット45が供回りするのを防止することができる。   Inside the annular protrusion 23, a rotation preventing portion 24 of a nut 45 screwed to the connection bolt 40 is provided. In the present embodiment, the annular projection 23 itself is formed in an annular shape, and a polygonal (hexagonal in this example) concave portion corresponding to the outer shape of the nut 45 is formed inside the annular projection 23. A detent part 24 is formed by the polygonal concave part. By providing such a rotation preventing portion 24 on the annular projection 23, it is possible to prevent the nut 45 from rotating together when the connecting bolt 40 is fastened.

湾曲部26は、D字状の狭着本体部21における矩形状領域から、半円状領域とは反対側に延出している。狭着本体部21と湾曲部26とは一体的に形成されている。本実施形態では、湾曲部26は、平面視形状がおよそ180°の中心角を有する円弧状となる湾曲板部として形成されている。湾曲部26は、吊ボルトPの外面に概ね沿うように湾曲している。湾曲部26は、吊ボルトPを包囲する状態で当該吊ボルトPを実際に固定する部位であり、「第一狭着部材における第一ボルトの固定部位」に相当する。   The curved portion 26 extends from the rectangular region of the D-shaped narrow attachment main body 21 to the side opposite to the semicircular region. The narrow attachment main body 21 and the curved portion 26 are formed integrally. In the present embodiment, the curved portion 26 is formed as a curved plate portion having an arc shape having a central angle of approximately 180 ° in plan view. The curved portion 26 is curved so as to substantially follow the outer surface of the suspension bolt P. The curved portion 26 is a portion where the hanging bolt P is actually fixed while surrounding the hanging bolt P, and corresponds to “a fixing portion of the first bolt in the first fastening member”.

湾曲部26の内面には、吊ボルトPのネジ部に係止される係止突起27が突出形成されている。吊ボルトPに対して軸方向の複数箇所で係止可能なように、複数の係止突起27が分散して設けられている。このような係止突起27を有することで、吊ボルトPに対するボルト連結具1の位置ズレを抑制することができる。   On the inner surface of the curved portion 26, a locking projection 27 that is locked to the screw portion of the suspension bolt P is formed so as to protrude. A plurality of locking projections 27 are dispersedly provided so as to be able to lock to the suspension bolt P at a plurality of positions in the axial direction. By having such a locking projection 27, it is possible to suppress the displacement of the bolt connector 1 with respect to the suspension bolt P.

リブ部29は、第一狭着部材20の幅方向両側において、狭着本体部21の少なくとも一部と湾曲部26の少なくとも一部とに亘って一体的に形成されている。本実施形態では、狭着本体部21の一部と湾曲部26の全部とに亘って、リブ部29が形成されている。リブ部29は、狭着本体部21及び湾曲部26の板面に対して交差(本例では直交)している。このようなリブ部29を有することで、第一狭着部材20の強度の向上が図られている。   The ribs 29 are formed integrally on at least a part of the narrowing main body 21 and at least a part of the curved part 26 on both sides in the width direction of the first narrowing member 20. In the present embodiment, the rib portion 29 is formed over a part of the tightly attached main body portion 21 and the entire curved portion 26. The rib portion 29 intersects (orthogonally in this example) the plate surfaces of the narrow attachment main body portion 21 and the curved portion 26. By having such a rib portion 29, the strength of the first fastening member 20 is improved.

リブ部29における湾曲部26の先端側の角部は、角の尖った先鋭状ではなく、平面視で丸みを帯びたR状に形成されている。このリブ部29のR状の角部は、吊ボルトPを湾曲部26(これは、第一狭着部材20における吊ボルトPの固定部位である)へと案内する機能を果たす。すなわち、リブ部29のR状の角部により、吊ボルトPを湾曲部26へと案内する、第一狭着部材20のガイド部29Aが構成されている。   The corner portion of the rib portion 29 on the distal end side of the curved portion 26 is formed not in a sharp pointed shape but in a rounded R shape in plan view. The R-shaped corner of the rib portion 29 functions to guide the suspension bolt P to the curved portion 26 (this is a fixing portion of the first fastening member 20 to which the suspension bolt P is fixed). That is, the guide portion 29A of the first fastening member 20 that guides the suspension bolt P to the curved portion 26 is formed by the R-shaped corner portion of the rib portion 29.

第二狭着部材30は、他部材であるベース部材10との間に振止ボルトQを狭着固定するための部材である。第二狭着部材30は、第一狭着部材20と同様、例えば金属製の板材で構成されている。本実施形態では、第二狭着部材30は、第一狭着部材20と同一形状に形成されている。第二狭着部材30は、狭着本体部31と湾曲部36とリブ部39とを有する。これらは、一体的に形成されている。   The second fastening member 30 is a member for tightly fixing the swing bolt Q between the second fastening member 30 and the base member 10 as another member. The second fastening member 30 is made of, for example, a metal plate similarly to the first fastening member 20. In the present embodiment, the second fastening member 30 is formed in the same shape as the first fastening member 20. The second fastening member 30 has a fastening body 31, a curved portion 36, and a rib 39. These are formed integrally.

D字状の狭着本体部31には、挿通孔32と環状突起33とが形成されている。環状突起33の内側には、多角形状(本例では六角形状)の凹部が形成されている。振止ボルトQの外面に概ね沿うように湾曲した湾曲部36の内面には、振止ボルトQのネジ部に係止される係止突起37が突出形成されている。狭着本体部31の一部と湾曲部36の全部に亘って形成されたリブ部29における湾曲部36の先端側の角部はR状に形成されており、当該R状の角部により、第二狭着部材30のガイド部39Aが構成されている。ガイド部39Aは、振止ボルトQを湾曲部36(これは、第二狭着部材30における振止ボルトQの固定部位である)へと案内する機能を果たす。   An insertion hole 32 and an annular projection 33 are formed in the D-shaped narrow attachment main body 31. Inside the annular projection 33, a polygonal (hexagonal in this example) concave portion is formed. On the inner surface of the curved portion 36 which is curved substantially along the outer surface of the vibration stop bolt Q, a locking projection 37 which is locked by the screw portion of the vibration stop bolt Q is formed so as to protrude. A corner on the tip side of the curved portion 36 in the rib portion 29 formed over a part of the tightly attached main body portion 31 and the entire curved portion 36 is formed in an R-shape. The guide portion 39A of the second fastening member 30 is configured. The guide portion 39A has a function of guiding the swing bolt Q to the curved portion 36 (this is a fixing portion of the second fastening member 30 to which the swing bolt Q is fixed).

連結ボルト40は、螺合されるナット45と協働して、ベース部材10、第一狭着部材20、及び第二狭着部材30を連結する。連結ボルト40は、第一狭着部材20と第二狭着部材30との間にベース部材10を挟んだ状態で、ナット45と協働して、これらを一体的に連結する。連結ボルト40は、第二狭着部材30側から、軸部42が第二狭着部材30の挿通孔32、ベース部材10の挿通孔12、及び第一狭着部材20の挿通孔22を順に貫通し、第一狭着部材20側でナット45に螺合される。そして、連結ボルト40とナット45とが締結されたとき、ワッシャー43を介して、連結ボルト40の頭部41とナット45との間に、ベース部材10、第一狭着部材20、及び第二狭着部材30が連結固定される。なお、ワッシャー43は、第二狭着部材30の環状突起33よりも大径のものを用いる。   The connection bolt 40 connects the base member 10, the first fastening member 20, and the second fastening member 30 in cooperation with the nut 45 to be screwed. The connection bolt 40 cooperates with the nut 45 in a state where the base member 10 is sandwiched between the first narrowing member 20 and the second narrowing member 30, and integrally connects them. The connecting bolt 40 is configured such that the shaft portion 42 sequentially passes through the insertion hole 32 of the second narrowing member 30, the insertion hole 12 of the base member 10, and the insertion hole 22 of the first narrowing member 20 from the second narrowing member 30 side. It penetrates and is screwed into the nut 45 on the first fastening member 20 side. When the connection bolt 40 and the nut 45 are fastened, the base member 10, the first fastening member 20, and the second The fastening member 30 is connected and fixed. The washer 43 has a diameter larger than that of the annular projection 33 of the second narrow attachment member 30.

上述したように、第一狭着部材20は、ベース部材10との間に吊ボルトPを狭着固定し、第二狭着部材30は、ベース部材10との間に振止ボルトQを狭着固定する。すなわち、本実施形態のボルト連結具1は、共通のベース部材10を用いつつ、連結ボルト40の締結によって、ベース部材10と第一狭着部材20との間に吊ボルトPを狭着固定するとともに、ベース部材10と第二狭着部材30との間に振止ボルトQを狭着固定する。   As described above, the first fastening member 20 tightly fixes the suspension bolt P between the first fastening member 20 and the base member 10, and the second fastening member 30 narrows the swing bolt Q between the first fastening member 20 and the base member 10. I fix it. That is, in the bolt connector 1 of the present embodiment, the suspension bolt P is tightly fixed between the base member 10 and the first fastening member 20 by fastening the connection bolt 40 while using the common base member 10. At the same time, the swing bolt Q is tightly fixed between the base member 10 and the second narrowing member 30.

本実施形態のボルト連結具1において、連結ボルト40に弾性部材50が装着されている。弾性部材50としては、コイルばねが用いられており、より具体的には、軸方向の位置に応じてコイル径が次第に変化する円錐コイルばねが用いられている。弾性部材50は、第二狭着部材30に対してベース部材10及び第一狭着部材20とは反対側で、連結ボルト40の軸部42に装着されている。弾性部材50は、第二狭着部材30と連結ボルト40の頭部41との間に、連結ボルト40の頭部41側にワッシャー43を介する状態で、連結ボルト40に装着されている。また、弾性部材50は、定常状態(外力が作用していない状態)に比べて圧縮された状態で、連結ボルト40に装着されている。   In the bolt connector 1 of the present embodiment, an elastic member 50 is mounted on the connection bolt 40. As the elastic member 50, a coil spring is used, and more specifically, a conical coil spring whose coil diameter gradually changes according to the position in the axial direction is used. The elastic member 50 is attached to the shaft portion 42 of the connection bolt 40 on the side opposite to the base member 10 and the first fastening member 20 with respect to the second fastening member 30. The elastic member 50 is mounted on the connection bolt 40 between the second fastening member 30 and the head 41 of the connection bolt 40 with a washer 43 on the head 41 side of the connection bolt 40. The elastic member 50 is attached to the connection bolt 40 in a state where the elastic member 50 is compressed as compared with a steady state (a state where no external force is applied).

連結ボルト40に装着された圧縮状態の弾性部材50は、連結ボルト40の緩締め状態で、第一狭着部材20と第二狭着部材30とを互いに近接させるように付勢する。すなわち、弾性部材50は、連結ボルト40の緩締め状態で、ナット45によって背面側から支持された第一狭着部材20に対して、ベース部材10を介して第二狭着部材30を押圧付勢することで、第一狭着部材20と第二狭着部材30とを互いに近接させる。なお、「連結ボルト40の緩締め状態」とは、連結ボルト40の軸部42にナット45が螺合され、かつ、完全には締結されていない状態である。湾曲部26に吊ボルトPが収容された状態の第一狭着部材20にベース部材10を押圧付勢するとともに、湾曲部36に振止ボルトQが収容された状態の第二狭着部材30をベース部材10に押圧付勢することで、吊ボルトPと振止ボルトQとを同時に仮止めすることができる。   The elastic member 50 in a compressed state attached to the connection bolt 40 urges the first fastening member 20 and the second fastening member 30 to be close to each other in a loosely tightened state of the connection bolt 40. That is, the elastic member 50 presses the second fastening member 30 via the base member 10 against the first fastening member 20 supported from the rear side by the nut 45 in a state where the connection bolt 40 is loosely tightened. By urging, the first narrowing member 20 and the second narrowing member 30 are brought close to each other. The “slowly tightened state of the connection bolt 40” is a state in which the nut 45 is screwed to the shaft portion 42 of the connection bolt 40 and is not completely fastened. The base member 10 is pressed and urged against the first fastening member 20 in a state in which the hanging bolt P is housed in the bending portion 26, and the second fastening member 30 in a state in which the swing bolt Q is housed in the bending portion 36. By pressing against the base member 10, the suspension bolts P and the retaining bolts Q can be temporarily fixed at the same time.

本実施形態のボルト連結具1は、ベース部材10、第一狭着部材20、第二狭着部材30、連結ボルト40、及び弾性部材50の全てが仮組された状態(仮組状態)で施工することができる。なお、ボルト連結具1の仮組状態は、ワッシャー53及び弾性部材50が装着された連結ボルト40が、ベース部材10、第一狭着部材20、及び第二狭着部材30を貫通して緩締め状態となっている状態である。なお、ボルト連結具1の仮組状態では、連結ボルト40の軸部42を軸として、ベース部材10及びそれに姿勢保持された第一狭着部材20に対して、第二狭着部材30が、ベース部材10のガイド部16と干渉しない範囲で、回動自在に連結される。上述したように、ガイド部16の大きさが第一狭着部材20の幅と同程度又はそれ以下であれば、第二狭着部材30の可動範囲(すなわち、対応可能な振止ボルトQの設置角度範囲)を大きく確保できて好ましい。   The bolt connector 1 of the present embodiment is in a state in which all of the base member 10, the first fastening member 20, the second fastening member 30, the connecting bolt 40, and the elastic member 50 are temporarily assembled (temporarily assembled state). Can be constructed. Note that, in the temporary assembled state of the bolt connector 1, the connection bolt 40 to which the washer 53 and the elastic member 50 are attached passes through the base member 10, the first fastening member 20, and the second fastening member 30, and is loose. It is in a state of being tightened. In the temporarily assembled state of the bolt connector 1, the second fastening member 30 is attached to the base member 10 and the first fastening member 20 held in the posture by using the shaft 42 of the connecting bolt 40 as an axis. It is rotatably connected within a range that does not interfere with the guide portion 16 of the base member 10. As described above, if the size of the guide portion 16 is about the same as or smaller than the width of the first fastening member 20, the movable range of the second fastening member 30 (that is, the This is preferable because a large installation angle range can be ensured.

ボルト連結具1の仮組状態で、当該ボルト連結具1を吊ボルトPに取り付ける。図6に示すように、ベース部材10のガイド部16と第一狭着部材20のガイド部29Aとの協働によって形成される平面視V字状の受け部を、吊ボルトPに対して当該吊ボルトPの径方向にあてがう。そのままボルト連結具1を吊ボルトP側に押し付けると、吊ボルトPが、ベース部材10のガイド部16によりベース部材10の第一面10aへと誘導されるとともに、第一狭着部材20のガイド部29Aによりベース部材10と第一狭着部材20との間に進入する。そして、弾性部材50の弾性付勢力に反して、ベース部材10に対して第一狭着部材20が吊ボルトPにより押し広げられる。   With the bolt connector 1 in a temporarily assembled state, the bolt connector 1 is attached to the suspension bolt P. As shown in FIG. 6, the V-shaped receiving portion formed in cooperation with the guide portion 16 of the base member 10 and the guide portion 29 </ b> A of the first fastening member 20 is attached to the suspension bolt P with respect to the hanging bolt P. Apply in the radial direction of the suspension bolt P. When the bolt connector 1 is pressed against the suspension bolt P as it is, the suspension bolt P is guided to the first surface 10 a of the base member 10 by the guide portion 16 of the base member 10 and the guide of the first fastening member 20. The portion 29A enters between the base member 10 and the first fastening member 20. Then, contrary to the elastic biasing force of the elastic member 50, the first fastening member 20 is pushed and spread by the hanging bolt P with respect to the base member 10.

さらにボルト連結具1を押し込むと、自ずと第一狭着部材20が湾曲部26で吊ボルトPを包囲する状態となり、この状態で、弾性部材50の弾性復元力により、第一狭着部材20とベース部材10との間に吊ボルトPが仮止めされる。こうして、ベース部材10及び第一狭着部材20の各ガイド部16,29Aが協調して、ベース部材10と第一狭着部材20の湾曲部26との間に吊ボルトPを容易に誘導することができる。すなわち、ガイド部16に沿わせてベース部材10の第一面10a側へと誘導された吊ボルトPを、そのまま、第一狭着部材20の湾曲部26へと容易に誘導することができる。よって、吊ボルトPを容易に仮止めすることができる。   When the bolt connector 1 is further pushed in, the first fastening member 20 naturally surrounds the suspension bolt P at the curved portion 26. In this state, the elastic restoring force of the elastic member 50 causes the first fastening member 20 to come into contact with the first fastening member 20. A suspension bolt P is temporarily fixed to the base member 10. Thus, the guide portions 16 and 29A of the base member 10 and the first fastening member 20 cooperate to easily guide the suspension bolt P between the base member 10 and the curved portion 26 of the first fastening member 20. be able to. That is, the suspension bolt P guided to the first surface 10a side of the base member 10 along the guide portion 16 can be easily guided to the curved portion 26 of the first fastening member 20 as it is. Therefore, the suspension bolts P can be easily temporarily fixed.

その後、振止ボルトQの設置角度に応じて第二狭着部材30のラフな角度調整を行ってから、ボルト連結具1に振止ボルトQを取り付ける。図7に示すように、ベース部材10の端縁と第二狭着部材30のガイド部39Aとの間に形成される平面視V字状の受け部に、振止ボルトQを当該振止ボルトQの径方向にあてがう。そのまま振止ボルトQを押し込むと、振止ボルトQが、第二狭着部材30のガイド部39Aによりベース部材10と第二狭着部材30との間に進入する。そして、弾性部材50の弾性付勢力に反して、ベース部材10に対して第二狭着部材30が振止ボルトQにより押し広げられる。なお、その際、ベース部材10に対して第一狭着部材20は閉じたままであり、吊ボルトPの仮止め状態は適切に維持される。   Thereafter, the rough angle adjustment of the second fastening member 30 is performed in accordance with the installation angle of the vibration damping bolt Q, and then the vibration damping bolt Q is attached to the bolt connector 1. As shown in FIG. 7, the vibration-prevention bolt Q is attached to a V-shaped receiving portion formed between the end edge of the base member 10 and the guide portion 39 </ b> A of the second fastening member 30 in plan view. Apply in the radial direction of Q. When the buckling bolt Q is pushed in as it is, the buckling bolt Q enters between the base member 10 and the second fastening member 30 by the guide portion 39A of the second fastening member 30. Then, contrary to the elastic urging force of the elastic member 50, the second fastening member 30 is pushed and spread with respect to the base member 10 by the swing bolt Q. At this time, the first fastening member 20 is kept closed with respect to the base member 10, and the temporary fixing state of the suspension bolt P is appropriately maintained.

さらに振止ボルトQを押し込むと、自ずと第二狭着部材30が湾曲部36で振止ボルトQを包囲する状態となり、この状態で、弾性部材50の弾性復元力により、第二狭着部材30とベース部材10との間に振止ボルトQが仮止めされる。こうして、第二狭着部材30のガイド部39Aにより、ベース部材10と第二狭着部材30の湾曲部36との間に振止ボルトQを容易に誘導することができる。よって、振止ボルトQを容易に仮止めすることができる。   When the rest bolt Q is further pushed in, the second fastening member 30 naturally surrounds the rest bolt Q at the curved portion 36. In this state, the elastic restoring force of the elastic member 50 causes the second fastening member 30 to move. A vibration bolt Q is temporarily fixed between the base member 10 and the base member 10. Thus, the guide bolt 39 </ b> A of the second fastening member 30 can easily guide the swing bolt Q between the base member 10 and the curved portion 36 of the second fastening member 30. Therefore, the vibration locking bolt Q can be easily temporarily fixed.

吊ボルトPと振止ボルトQとを同時に仮止めした後は、作業者は、両手を自由に使える状態で、連結ボルト40の締結操作を行うことができる。よって、吊ボルトPと振止ボルトQとの連結作業を容易に行うことができる。このとき、圧縮状態の弾性部材50は、第二狭着部材30及びベース部材10を介して第一狭着部材20をナット45側に付勢し、当該ナット45が第一狭着部材20の環状突起23に形成された回り止め部24に係止する。このため、連結ボルト40の締結操作時に、ナット45の供回りを自動的に防止することができ、吊ボルトPと振止ボルトQとの連結作業をさらに容易に行うことができる。   After temporarily suspending the suspension bolts P and the swing bolts Q at the same time, the operator can perform the fastening operation of the connection bolts 40 with both hands freely usable. Therefore, the connection work between the suspension bolts P and the damping bolts Q can be easily performed. At this time, the compressed elastic member 50 urges the first fastening member 20 toward the nut 45 via the second fastening member 30 and the base member 10, and the nut 45 It is locked by a rotation preventing portion 24 formed on the annular projection 23. For this reason, at the time of the fastening operation of the connection bolt 40, the rotation of the nut 45 can be automatically prevented, and the connection work between the suspension bolt P and the vibration-prevention bolt Q can be more easily performed.

連結ボルト40を締め増して完全に締結すると、図8に示すように、連結ボルト40の軸部42とナット45との間に、ワッシャー53、第二狭着部材30、ベース部材10、及び第一狭着部材20が緊締された状態となる。このとき、本実施形態では、ベース部材10の環状突起13が、第二狭着部材30の環状突起33の背面側の窪みに収まるように構成されている。このため、ベース部材10のベース本体部11と第二狭着部材30の狭着本体部31とが広い範囲で面接触しており、ベース部材10と第二狭着部材30とで振止ボルトQを安定的に狭着固定することができる。   When the connection bolt 40 is further tightened and completely tightened, as shown in FIG. 8, the washer 53, the second fastening member 30, the base member 10, and the The narrow attachment member 20 is in a tightened state. At this time, in the present embodiment, the annular projection 13 of the base member 10 is configured to fit in the recess on the back side of the annular projection 33 of the second fastening member 30. For this reason, the base main body 11 of the base member 10 and the narrowing main body 31 of the second narrowing member 30 are in surface contact with each other in a wide range. Q can be stably fixed tightly.

さらに、ワッシャー43は第二狭着部材30の環状突起33よりも大径に形成されており、ワッシャー43が環状突起33に当接支持された状態で、それらの間に、連結ボルト40の軸部42を取り巻く環状空間Aが形成される。この環状空間Aは、第二狭着部材30の環状突起33の内側に形成され、狭着本体部31からの環状突起33の突出高さ相当分の厚みを有する扁平空間である。そして、この環状空間Aに、高圧縮時に渦巻状の扁平形状となる円錐コイルばねからなる弾性部材50が収容される。環状空間Aは、弾性部材収容空間として機能する。このように、連結ボルト40の締結後、第二狭着部材30の環状突起33の内側空間に弾性部材50を収容することで、連結ボルト40の締結後における弾性部材50の影響を排除して、吊ボルトPと振止ボルトQとを安定的に固定することができる。   Further, the washer 43 is formed to have a larger diameter than the annular projection 33 of the second narrow attachment member 30, and the washer 43 is supported by the annular projection 33 in a state where the washer 43 is connected to the shaft of the connecting bolt 40. An annular space A surrounding the portion 42 is formed. The annular space A is a flat space formed inside the annular projection 33 of the second fastening member 30 and having a thickness corresponding to the height of the annular projection 33 protruding from the fastening body 31. In the annular space A, an elastic member 50 formed of a conical coil spring having a spiral flat shape at the time of high compression is housed. The annular space A functions as an elastic member accommodation space. As described above, after the connection bolt 40 is fastened, the elastic member 50 is housed in the space inside the annular protrusion 33 of the second narrow attachment member 30, thereby eliminating the influence of the elastic member 50 after the connection bolt 40 is fastened. In addition, the suspension bolts P and the suspension bolts Q can be stably fixed.

しかも、第一狭着部材20と第二狭着部材30とが同一形状に形成され、環状突起23,33の内側の多角形状の凹部が、第一狭着部材20側ではナット45の回り止めのために利用され、第二狭着部材30側では弾性部材50の収納のために利用される。よって、部品の共通化によって製造コストを低減しつつ、吊ボルトPと振止ボルトQとの連結作業を容易化することができるとともに、それらを安定的に固定することができる。   Moreover, the first narrowing member 20 and the second narrowing member 30 are formed in the same shape, and the polygonal concave portions inside the annular projections 23 and 33 prevent the nut 45 from rotating on the first narrowing member 20 side. The second narrow attachment member 30 is used for storing the elastic member 50. Therefore, the connection work between the suspension bolts P and the damping bolts Q can be facilitated while the manufacturing cost is reduced by the use of common components, and they can be stably fixed.

〔その他の実施形態〕
(1)上記の実施形態では、第一狭着部材20の湾曲部26及び第二狭着部材30の湾曲部36が、それぞれ平面視形状がおよそ180°の中心角を有する円弧状に形成されている構成を例として説明した。しかし、そのような構成に限定されることなく、例えば図9に示すように、第一狭着部材20の湾曲部26の中心角は、例えばおよそ90°等の他の角度であっても良い。この場合、ベース部材10にも湾曲部18が設けられて、ベース部材10の湾曲部18と第一狭着部材20の湾曲部26との間に吊ボルトPが固定されても良い。また、吊ボルトPの固定部位が、吊ボルトPの外周を包囲する直方体状部で構成されても良い。第二狭着部材30側の構成に関しても、同様に考えることができる。
[Other embodiments]
(1) In the above-described embodiment, the curved portion 26 of the first fastening member 20 and the curved portion 36 of the second fastening member 30 are each formed in an arc shape having a central angle of approximately 180 ° in plan view. The above configuration has been described as an example. However, without being limited to such a configuration, for example, as shown in FIG. 9, the central angle of the curved portion 26 of the first fastening member 20 may be another angle such as, for example, about 90 °. . In this case, a bending portion 18 may be provided on the base member 10, and the suspension bolt P may be fixed between the bending portion 18 of the base member 10 and the bending portion 26 of the first fastening member 20. Further, the fixing portion of the suspension bolt P may be configured by a rectangular parallelepiped portion surrounding the outer periphery of the suspension bolt P. The same applies to the configuration on the second narrow attachment member 30 side.

(2)上記の実施形態では、ベース部材10が直方体状の突起部からなる規制部14を有する構成を例として説明した。しかし、そのような構成に限定されることなく、例えば規制部14が、線状突起又は線状に配列された点状突起等で構成されても良い。或いは、ベース部材10が規制部14を有さなくても良い。 (2) In the above-described embodiment, the configuration in which the base member 10 has the restricting portion 14 formed of the rectangular parallelepiped protrusion is described as an example. However, the present invention is not limited to such a configuration. For example, the regulating portion 14 may be configured by linear projections or linear projections. Alternatively, the base member 10 does not have to have the restricting portion 14.

(3)上記の実施形態では、ベース部材10が長方形状の板体からなるガイド部16を有する構成を例として説明した。しかし、そのような構成に限定されることなく、例えばガイド部16が、異なる形状の板体で構成されても良いし、複数の線状体で構成されても良い。或いは、ベース部材10がガイド部16を有さなくても良い。 (3) In the above embodiment, the configuration in which the base member 10 has the guide portion 16 formed of a rectangular plate is described as an example. However, without being limited to such a configuration, for example, the guide portion 16 may be formed of plate members having different shapes or may be formed of a plurality of linear members. Alternatively, the base member 10 may not have the guide portion 16.

(4)上記の実施形態では、第一狭着部材20及び第二狭着部材30が、それぞれリブ部29,39のR状の角部からなるガイド部29A,39Aを有する構成を例として説明した。しかし、そのような構成に限定されることなく、例えばガイド部29A,39Aの少なくとも一方が、湾曲部26,36の端部から屈曲形成された板体又は線状体等で構成されても良い。或いは、第一狭着部材20及び第二狭着部材30の少なくとも一方が、ガイド部29A,39Aを有さなくても良い。 (4) In the above-described embodiment, an example is described in which the first fastening member 20 and the second fastening member 30 have the guide portions 29A and 39A formed of the R-shaped corners of the rib portions 29 and 39, respectively. did. However, without being limited to such a configuration, for example, at least one of the guide portions 29A and 39A may be formed of a plate or a linear body bent from the ends of the curved portions 26 and 36. . Alternatively, at least one of the first fastening member 20 and the second fastening member 30 may not have the guide portions 29A and 39A.

(5)上記の実施形態では、第一狭着部材20と第二狭着部材30とが同一形状に形成されている構成を例として説明した。しかし、そのような構成に限定されることなく、第一狭着部材20と第二狭着部材30とが別形状に形成されても良い。この場合、例えば第一狭着部材20には環状突起23を設けずに線状突起又は点状突起等からなる回り止め部24を設けるとともに、第二狭着部材30には、弾性部材50を収容可能なだけで回り止め機能を有さない環状突起33を設けても良い。また、連結ボルト40を締結するためにナット45を用いずに、第一狭着部材20又は第二狭着部材30にバーリングタップを立てても良い。 (5) In the above embodiment, the configuration in which the first narrowing member 20 and the second narrowing member 30 are formed in the same shape has been described as an example. However, without being limited to such a configuration, the first fastening member 20 and the second fastening member 30 may be formed in different shapes. In this case, for example, the first fastening member 20 is not provided with the annular projection 23, but is provided with the rotation preventing portion 24 formed of a linear projection or a point projection, and the second fastening member 30 is provided with the elastic member 50. An annular projection 33 which can be accommodated but does not have a rotation preventing function may be provided. Further, a burring tap may be provided on the first fastening member 20 or the second fastening member 30 without using the nut 45 to fasten the connection bolt 40.

(6)上記の実施形態では、第一狭着部材20と第二狭着部材30とが1つのベース部材10を共用する構成を例として説明した。しかし、そのような構成に限定されることなく、例えば第一狭着部材20及び第二狭着部材30に対して、それぞれ専用のベース部材が設けられても良い。すなわち、連結ボルト40の締結によって、第一ベース部材と第一狭着部材20との間に吊ボルトPを狭着固定するとともに、第一ベース部材とは別部材からなる第二ベース部材と第二狭着部材30との間に振止ボルトQを狭着固定しても良い。 (6) In the above embodiment, the configuration in which the first fastening member 20 and the second fastening member 30 share one base member 10 has been described as an example. However, without being limited to such a configuration, for example, a dedicated base member may be provided for each of the first fastening member 20 and the second fastening member 30. That is, by fastening the connection bolt 40, the suspension bolt P is tightly fixed between the first base member and the first fastening member 20, and the second base member and the second base member, which are separate members from the first base member, are connected. The oscillating bolt Q may be tightly fixed between the two narrowly attaching members 30.

(7)上記の実施形態では、連結ボルト40が第二狭着部材30側から第二狭着部材30、ベース部材10、及び第一狭着部材20を順に貫通し、第一狭着部材20側でナット45に螺合される構成を例として説明した。しかし、そのような構成に限定されることなく、連結ボルト40が第一狭着部材20側から第一狭着部材20、ベース部材10、及び第二狭着部材30を順に貫通し、第二狭着部材30側でナット45に螺合されても良い。この場合、環状突起23,33の内側の多角形状の凹部が、第二狭着部材30側でナット45の回り止めのために利用され、第一狭着部材20側で弾性部材50の収納のために利用される。 (7) In the above embodiment, the connection bolt 40 passes through the second fastening member 30, the base member 10, and the first fastening member 20 in this order from the second fastening member 30 side, and the first fastening member 20 The configuration in which the nut is screwed to the nut 45 on the side has been described as an example. However, without being limited to such a configuration, the connecting bolt 40 sequentially passes through the first narrowing member 20, the base member 10, and the second narrowing member 30 from the first narrowing member 20 side, and It may be screwed to the nut 45 on the narrowing member 30 side. In this case, the polygonal concave portions inside the annular projections 23 and 33 are used to prevent the rotation of the nut 45 on the second fastening member 30 side, and the storage of the elastic member 50 on the first fastening member 20 side. Used for

(8)上記の実施形態では、ボルト連結具1がベース部材10を備える構成を例として説明した。しかし、そのような構成に限定されることなく、例えば図10に示すように、ボルト連結具1がベース部材10を備えず、第一狭着部材20、第二狭着部材30、連結ボルト40、及び弾性部材50だけで構成されても良い。この場合、第一狭着部材20は、第二狭着部材30の狭着本体部31との間に吊ボルトPを狭着固定し、第二狭着部材30は、第一狭着部材20の狭着本体部21との間に振止ボルトQを狭着固定する。この場合、第二狭着部材30が、第一狭着部材20との関係における「他部材」に相当し、第一狭着部材20が、第二狭着部材30との関係における「他部材」に相当する。このような構成では、部品点数を少なく抑えて低コスト化を図ることができる。 (8) In the above embodiment, the configuration in which the bolt connector 1 includes the base member 10 has been described as an example. However, without being limited to such a configuration, for example, as shown in FIG. 10, the bolt connector 1 does not include the base member 10, and the first fastening member 20, the second fastening member 30, and the connecting bolt 40 are not provided. , And the elastic member 50 alone. In this case, the first fastening member 20 tightly secures the suspension bolt P between the first fastening member 20 and the narrowing main body 31 of the second fastening member 30. The vibration damping bolt Q is tightly fixed between the narrowing main body portion 21 of FIG. In this case, the second fastening member 30 corresponds to the “other member” in the relationship with the first fastening member 20, and the first fastening member 20 corresponds to the “other member” in the relationship with the second fastening member 30. ". With such a configuration, it is possible to reduce the number of parts and reduce cost.

(9)上記の実施形態において説明したボルト連結具1を構成する各部品の具体的形状はあくまで例示であって、そのような構成に限定されない。例えば図11に示すように、ベース部材10が天井部11Aと一対の側壁部11Bとを有する屈曲板で構成されるとともに、第一狭着部材20が天井部21Aと一対の側壁部21Bとを有する屈曲板で構成され、これらが向かい合う姿勢で開閉自在に連結されても良い。このような構成において、一対の側壁部11Bに切欠部19を形成するとともに一対の側壁部21Bに切欠部28を形成し、これらの切欠部19,28に吊ボルトPが収容される状態で当該吊ボルトPを狭着固定しても良い。この場合、側壁部21Bに形成された切欠部28が、「第一狭着部材における第一ボルトの固定部位」に相当する。 (9) The specific shape of each component constituting the bolt connector 1 described in the above embodiment is merely an example, and is not limited to such a configuration. For example, as shown in FIG. 11, the base member 10 is formed by a bent plate having a ceiling 11A and a pair of side walls 11B, and the first fastening member 20 is configured by a ceiling 21A and a pair of side walls 21B. And may be connected openably and closably in a facing position. In such a configuration, the notch 19 is formed in the pair of side walls 11B and the notch 28 is formed in the pair of side walls 21B, and the hanging bolts P are accommodated in the notches 19 and 28. The suspension bolts P may be fixed tightly. In this case, the cutout portion 28 formed in the side wall portion 21B corresponds to “a fixing portion of the first bolt in the first fastening member”.

(10)上記の実施形態では、ボルト連結具1が吊ボルトPと振止ボルトQとを連結する構成を例として説明した。しかし、そのような構成に限定されることなく、例えば互いに隣り合う吊ボルトPどうしの間に2本の振止ボルトQが互いに交差しかつ吊ボルトPに交差する姿勢で配置されている場合に、それら2本の振止ボルトQどうしを連結するのにボルト連結具1を用いても良い。この場合、2本の振止ボルトQの一方が「第一ボルト」に相当し、他方が「第二ボルト」に相当する。また、3本以上のボルトを連結するのに、本実施形態のボルト連結具1を一部改変して用いても良い。 (10) In the above-described embodiment, the configuration in which the bolt connector 1 connects the suspension bolt P and the damping bolt Q has been described as an example. However, the present invention is not limited to such a configuration. For example, when two swing bolts Q intersect each other and are arranged so as to intersect with the hanging bolts P between the hanging bolts P adjacent to each other. Alternatively, the bolt connecting tool 1 may be used to connect the two vibration-preventing bolts Q to each other. In this case, one of the two studs Q corresponds to the “first bolt” and the other corresponds to the “second bolt”. In order to connect three or more bolts, the bolt connector 1 of the present embodiment may be partially modified and used.

(11)上述した各実施形態(上記の実施形態及びその他の実施形態を含む;以下同様)で開示される構成は、矛盾が生じない限り、他の実施形態で開示される構成と組み合わせて適用することも可能である。その他の構成に関しても、本明細書において開示された実施形態は全ての点で例示であって、本開示の趣旨を逸脱しない範囲内で適宜改変することが可能である。 (11) The configuration disclosed in each of the above-described embodiments (including the above-described embodiment and other embodiments; the same applies hereinafter) is applied in combination with the configuration disclosed in the other embodiment unless there is a contradiction. It is also possible. Regarding other configurations, the embodiments disclosed in the present specification are exemplifications in all respects, and can be appropriately modified without departing from the spirit of the present disclosure.

1 ボルト連結具
10 ベース部材
11 ベース本体部
14 規制部
16 ガイド部
20 第一狭着部材
22 挿通孔
23 環状突起
24 回り止め部
26 湾曲部(固定部位)
28 切欠部(固定部位)
29A ガイド部
30 第二狭着部材
32 挿通孔
33 環状突起
40 連結ボルト
45 ナット
50 弾性部材
P 吊ボルト(第一ボルト)
Q 振止ボルト(第二ボルト)
A 環状空間
DESCRIPTION OF SYMBOLS 1 Bolt connector 10 Base member 11 Base main body part 14 Restriction part 16 Guide part 20 First narrowing member 22 Insertion hole 23 Annular projection 24 Detent part 26 Curved part (fixed part)
28 Notch (fixed part)
29A Guide part 30 Second narrow attachment member 32 Insertion hole 33 Annular projection 40 Connection bolt 45 Nut 50 Elastic member P Hanging bolt (first bolt)
Q Bolt (second bolt)
A annular space

Claims (12)

第一ボルトと第二ボルトとを連結するボルト連結具であって、
第一狭着部材と、第二狭着部材と、連結ボルトと、弾性部材と、を備え、
前記連結ボルトの締結によって、他部材と前記第一狭着部材との間に前記第一ボルトが狭着固定されるとともに、他部材と前記第二狭着部材との間に前記第二ボルトが狭着固定され、
前記弾性部材が、前記連結ボルトの緩締め状態で前記第一狭着部材と前記第二狭着部材とを互いに近接させるように付勢するべく、前記連結ボルトに装着されており、
前記連結ボルトの緩締め状態で、前記第一狭着部材は前記弾性部材によって前記第二狭着部材側に付勢されつつその付勢力に反して他部材に対して前記第一ボルトの直径以上拡開可能であり、前記第二狭着部材は前記弾性部材によって前記第一狭着部材側に付勢されつつその付勢力に反して他部材に対して前記第二ボルトの直径以上拡開可能であるボルト連結具。
A bolt connector for connecting the first bolt and the second bolt,
A first fastening member, a second fastening member, a connection bolt, and an elastic member,
By fastening the connection bolt, the first bolt is tightly fixed between another member and the first fastening member, and the second bolt is located between the other member and the second fastening member. Fixed tightly,
The elastic member is attached to the connection bolt so as to urge the first fastening member and the second fastening member to approach each other in a loosely tightened state of the connection bolt ,
In the loosely tightened state of the connection bolt, the first fastening member is urged toward the second fastening member by the elastic member, and is at least the diameter of the first bolt with respect to other members against the urging force. The second narrowing member is urged toward the first narrowing member by the elastic member, and is expandable by at least the diameter of the second bolt with respect to another member against the urging force. der Ru bolt connector.
前記第一狭着部材との間に前記第一ボルトを狭着固定する前記他部材と、前記第二狭着部材との間に前記第二ボルトを狭着固定する前記他部材とが、板材で構成された共通のベース部材であり、
前記第一狭着部材と前記第二狭着部材とが前記ベース部材における互いに反対側の面に配設されている請求項1に記載のボルト連結具。
The other member that narrows and fixes the first bolt between the first narrowing member and the other member that narrows and fixes the second bolt between the second narrowing member and a plate material Is a common base member composed of
2. The bolt connector according to claim 1, wherein the first fastening member and the second fastening member are disposed on opposite surfaces of the base member. 3.
前記ベース部材が、前記第一狭着部材及び前記第二狭着部材が配設されるベース本体部と、前記第一ボルトを前記第一狭着部材の配設面へと案内するガイド部と、を有する請求項2に記載のボルト連結具。   The base member, a base body portion on which the first fastening member and the second fastening member are arranged, and a guide portion for guiding the first bolt to an arrangement surface of the first fastening member. The bolt connector according to claim 2, comprising: 前記ベース部材が、前記第一狭着部材における前記第一ボルトの固定部位が前記ガイド部の設置位置を向くように前記第一狭着部材の配設姿勢を規制する規制部をさらに有する請求項3に記載のボルト連結具。   The said base member further has a regulation part which regulates the arrangement | positioning attitude | position of the said 1st fastening member so that the fixing | fixed part of the said 1st bolt in the said 1st fastening member may face the installation position of the said guide part. 4. The bolt connector according to 3. 前記第一狭着部材が、前記第一ボルトを当該第一ボルトの固定部位へと案内するガイド部を有する請求項1から4のいずれか一項に記載のボルト連結具。   The bolt connector according to any one of claims 1 to 4, wherein the first fastening member has a guide portion that guides the first bolt to a fixing portion of the first bolt. 前記第一狭着部材との間に前記第一ボルトを狭着固定する前記他部材は、前記第二狭着部材であり、
前記第二狭着部材との間に前記第二ボルトを狭着固定する前記他部材は、前記第一狭着部材である請求項1に記載のボルト連結具。
The other member for tightly fixing the first bolt between the first fastening member is the second fastening member,
2. The bolt connector according to claim 1, wherein the other member that tightly fixes the second bolt between the second fastening member and the second fastening member is the first fastening member. 3.
前記第一狭着部材と前記第二狭着部材とが同一形状に形成されているとともに、これらが前記連結ボルトの挿通孔の周囲に環状突起を有し、
前記環状突起の内側に、前記連結ボルトに螺合されるナットの回り止め部が設けられ、
前記連結ボルトの締結操作時に前記第一狭着部材及び前記第二狭着部材のうちの一方の前記環状突起で前記ナットを回り止め可能であるとともに、前記連結ボルトの締結後は前記第一狭着部材及び前記第二狭着部材のうちの他方の前記環状突起の内側空間に前記弾性部材を収容可能である請求項1から6のいずれか一項に記載のボルト連結具。
The first fastening member and the second fastening member are formed in the same shape, and these have an annular protrusion around the insertion hole of the connection bolt,
A detent part for a nut screwed to the connection bolt is provided inside the annular projection,
The nut can be prevented from rotating by the annular projection of one of the first fastening member and the second fastening member at the time of the fastening operation of the connection bolt, and after the fastening of the connection bolt, the first narrowing member is closed. The bolt connector according to any one of claims 1 to 6, wherein the elastic member can be accommodated in an inner space of the annular protrusion of the other of the attachment member and the second narrow attachment member.
前記第一狭着部材及び前記第二狭着部材の少なくとも一方が、前記連結ボルト又は当該ボルトに螺合されるナットの供回りを防止する回り止め部を有する請求項1から7のいずれか一項に記載のボルト連結具。8. The method according to claim 1, wherein at least one of the first fastening member and the second fastening member has a rotation preventing portion that prevents the connection bolt or a nut screwed to the bolt from rotating around the connection bolt. 9. The bolt connector according to the item. 前記第一狭着部材及び前記第二狭着部材の少なくとも一方が、前記連結ボルトの挿通孔の周囲に環状突起を有し、At least one of the first fastening member and the second fastening member has an annular protrusion around an insertion hole of the connection bolt,
前記連結ボルトの締結後、前記環状突起の内側空間に前記弾性部材を収容可能である請求項1から8のいずれか一項に記載のボルト連結具。The bolt connector according to any one of claims 1 to 8, wherein the elastic member can be accommodated in a space inside the annular projection after the connection bolt is fastened.
前記弾性部材が円錐コイルバネである請求項1から9のいずれか一項に記載のボルト連結具。The bolt connector according to any one of claims 1 to 9, wherein the elastic member is a conical coil spring. 第一ボルトと第二ボルトとを連結するボルト連結具であって、
第一狭着部材と、第二狭着部材と、ベース部材と、連結ボルトと、弾性部材と、を備え、
前記第一狭着部材と前記第二狭着部材とが前記ベース部材における互いに反対側の面に配設され、
前記連結ボルトの締結によって、前記ベース部材と前記第一狭着部材との間に前記第一ボルトが狭着固定されるとともに、前記ベース部材と前記第二狭着部材との間に前記第二ボルトが狭着固定され、
前記弾性部材が、前記連結ボルトの緩締め状態で前記第一狭着部材と前記第二狭着部材とを互いに近接させるように付勢するべく、前記連結ボルトに装着されており、
前記ベース部材が、前記第一狭着部材及び前記第二狭着部材が配設されるベース本体部と、前記第一ボルトを前記第一狭着部材の配設面へと案内するガイド部と、を有し、
前記ベース部材が、前記第一狭着部材における前記第一ボルトの固定部位が前記ガイド部の設置位置を向くように前記第一狭着部材の配設姿勢を規制する規制部をさらに有するボルト連結具。
A bolt connector for connecting the first bolt and the second bolt,
A first fastening member , a second fastening member , a base member, a connection bolt, and an elastic member,
The first narrowing member and the second narrowing member are disposed on opposite surfaces of the base member,
By fastening the connection bolt, the first bolt is tightly fixed between the base member and the first fastening member, and the second bolt is located between the base member and the second fastening member. The bolt is fixed tightly,
The elastic member is attached to the connection bolt so as to urge the first fastening member and the second fastening member to approach each other in a loosely tightened state of the connection bolt ,
The base member, a base body portion on which the first fastening member and the second fastening member are arranged, and a guide portion for guiding the first bolt to an arrangement surface of the first fastening member. , And
The bolt connection, wherein the base member further includes a regulating portion that regulates an arrangement posture of the first fastening member so that a fixing portion of the first bolt in the first fastening member faces an installation position of the guide portion. Utensils.
第一ボルトと第二ボルトとを連結するボルト連結具であって、
第一狭着部材と、第二狭着部材と、連結ボルトと、弾性部材と、を備え、
前記連結ボルトの締結によって、他部材と前記第一狭着部材との間に前記第一ボルトが狭着固定されるとともに、他部材と前記第二狭着部材との間に前記第二ボルトが狭着固定され、
前記弾性部材が、前記連結ボルトの緩締め状態で前記第一狭着部材と前記第二狭着部材とを互いに近接させるように付勢するべく、前記連結ボルトに装着されており、
前記第一狭着部材と前記第二狭着部材とが同一形状に形成されているとともに、これらが前記連結ボルトの挿通孔の周囲に環状突起を有し、
前記環状突起の内側に、前記連結ボルトに螺合されるナットの回り止め部が設けられ、
前記連結ボルトの締結操作時に前記第一狭着部材及び前記第二狭着部材のうちの一方の前記環状突起で前記ナットを回り止め可能であるとともに、前記連結ボルトの締結後は前記第一狭着部材及び前記第二狭着部材のうちの他方の前記環状突起の内側空間に前記弾性部材を収容可能であるボルト連結具。
A bolt connector for connecting the first bolt and the second bolt,
A first fastening member, a second fastening member, a connection bolt, and an elastic member,
By fastening the connection bolt, the first bolt is tightly fixed between another member and the first fastening member, and the second bolt is located between the other member and the second fastening member. Fixed tightly,
The elastic member is attached to the connection bolt so as to urge the first fastening member and the second fastening member to approach each other in a loosely tightened state of the connection bolt ,
The first fastening member and the second fastening member are formed in the same shape, and these have an annular protrusion around the insertion hole of the connection bolt,
A detent part for a nut screwed to the connection bolt is provided inside the annular projection,
The nut can be prevented from rotating by the annular projection of one of the first fastening member and the second fastening member at the time of the fastening operation of the connection bolt, and after the fastening of the connection bolt, the first narrowing member is closed. A bolt connector capable of accommodating the elastic member in a space inside the annular projection of the other of the attachment member and the second narrow attachment member .
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Publication number Priority date Publication date Assignee Title
JP7402483B2 (en) 2019-06-21 2023-12-21 合同会社ブレスト工業研究所 Hanging bolt mounting mechanism and hanging bolt fixings
JP7474471B2 (en) * 2020-03-13 2024-04-25 合同会社ブレスト工業研究所 Rod support
JP2021143755A (en) * 2020-03-13 2021-09-24 株式会社ブレスト工業研究所 Support tool for hanger bolt and support tool for rod-like member

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JPS50109074U (en) * 1974-02-15 1975-09-06
JP3028998U (en) * 1996-03-13 1996-09-17 有限会社ふじ工建 Washer with spring and nut with spring
JP2016153684A (en) * 2015-02-21 2016-08-25 株式会社昭和コーポレーション Intersection support fitting
JP3202840U (en) * 2015-12-14 2016-02-25 三東冷熱株式会社 Cross bracket
JP6009710B1 (en) * 2016-06-30 2016-10-19 株式会社ブレスト工業研究所 Mounting bracket for suspension bolt

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