JPH10267024A - Base isolation fastening device also serving as locking device - Google Patents
Base isolation fastening device also serving as locking deviceInfo
- Publication number
- JPH10267024A JPH10267024A JP7328397A JP7328397A JPH10267024A JP H10267024 A JPH10267024 A JP H10267024A JP 7328397 A JP7328397 A JP 7328397A JP 7328397 A JP7328397 A JP 7328397A JP H10267024 A JPH10267024 A JP H10267024A
- Authority
- JP
- Japan
- Prior art keywords
- nut
- elastic body
- insertion hole
- washer
- ring
- 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.)
- Pending
Links
Landscapes
- Bolts, Nuts, And Washers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、緩み止めを兼ねた
免震締結装置に関するものである。特に、地震および振
動等でボルト・ナットのねじ部に発生する外力を吸収し
て減衰し、ねじの損傷、破壊を防止する免震締結装置に
関するものである。また、弾性体の高復元力を利用して
緩み止めとしての機能を具備した免震締結装置に関す
る。さらに、ナットと弾性体と押し座金とを一体化し、
締結装置自体を小型化し、施工性、経済性、安全性の面
で優れた緩み止めを兼ねた免震締結装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seismic isolation fastening device which also serves as a locking device. In particular, the present invention relates to a seismic isolation fastening device that absorbs and attenuates an external force generated in a screw portion of a bolt or nut due to an earthquake, vibration, or the like, and prevents damage or destruction of the screw. Also, the present invention relates to a seismic isolation device having a function as a loosening prevention using a high restoring force of an elastic body. Furthermore, the nut, elastic body and push washer are integrated,
The present invention relates to a seismic isolation fastening device that has a reduced fastening device itself and also has an excellent locking function in terms of workability, economy, and safety.
【０００２】[0002]
【従来の技術】通常のボルト・ナットの締結は、ボルト
を接合材等に挿通し、このボルト先端に平座金とナット
を挿嵌し、ボルトにナットを螺合して接合材等を締めつ
けていた。そして、このボルト・ナットの振動等による
緩み止めを図るためには、平座金を板バネ座金に換えて
締めつけていた。2. Description of the Related Art Normal bolts and nuts are fastened by inserting a bolt through a joining material, inserting a flat washer and a nut into the tip of the bolt, screwing the nut into the bolt, and tightening the joining material. Was. In order to prevent the bolts and nuts from loosening due to vibration or the like, flat washers are replaced with leaf spring washers and tightened.
【０００３】また、特開昭６１−２１５８０５号公報、
実開昭５８−１４０３１５号公報等のワッシャが開示さ
れている。[0003] Also, Japanese Patent Application Laid-Open No. Sho 61-215805,
Japanese Laid-Open Utility Model Publication No. 58-140315 discloses a washer.
【０００４】この特開昭６１−２１５８０５号公報の防
振ワッシャは、一方の面に環状の金属板が固着された短
円筒状のゴム製ワッシャと、ワッシャよりも若干内径が
大きな円筒壁と環状の底壁を有し、ワッシャを収容する
金属製トレイからなる。[0004] The vibration-proof washer disclosed in Japanese Patent Application Laid-Open No. Sho 61-215805 is composed of a short cylindrical rubber washer having an annular metal plate fixed to one surface, a cylindrical wall having a slightly larger inner diameter than the washer, and an annular ring. Consisting of a metal tray with a bottom wall and a washer.
【０００５】また、実開昭５８−１４０３１５号公報の
弾性層被覆座金は、金属芯金の表裏および外周部に弾性
層を焼付被覆したものである。The elastic layer-coated washer disclosed in Japanese Utility Model Laid-Open Publication No. 58-140315 is obtained by baking and coating an elastic layer on the front, back, and outer periphery of a metal core.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、通常の
ボルト・ナットの締結は、平座金又は板バネ座金を使用
しているが、これら座金には、衝撃や振動を吸収する作
用は殆どなく、接合材等が受ける衝撃エネルギーや高振
動の外力は、直接接合材等を締め付けているボルト・ナ
ットのねじ部に集中する。そのため、ねじ部が損傷した
り、破壊したりする原因になるという問題点があった。However, ordinary bolts and nuts are fastened using flat washers or leaf spring washers, but these washers have almost no effect of absorbing shocks and vibrations, and are not joined. Impact energy and high-vibration external force received by the material concentrate on the threaded portions of the bolts and nuts that are directly tightening the bonding material. Therefore, there has been a problem that the screw portion may be damaged or broken.
【０００７】特開昭６１−２１５８０５号公報の防振ワ
ッシャは、ナットと一体化したものでなく、シールドト
ンネル等の地下構造物の建造に採用されるボルト・ナッ
トの自動化締結には使用し難いという問題点があった。The anti-vibration washer disclosed in Japanese Patent Application Laid-Open No. 61-215805 is not integrated with a nut, and is difficult to use for automated fastening of bolts and nuts used in the construction of underground structures such as shield tunnels. There was a problem.
【０００８】また、実開昭５８−１４０３１５号公報の
弾性層被覆座金は、前記同様にナットと一体化されたも
のでなく、同様の問題点があった。The elastic layer-coated washer disclosed in Japanese Utility Model Application Laid-Open No. 58-140315 is not integrated with the nut as described above, and has the same problem.
【０００９】本発明は、上記問題点に鑑み、ナット座面
に付設した拡大部内部に弾性体を内蔵し、この弾性体に
より地震、振動等でボルト・ナットのねじ部に発生する
外力を吸収し、減衰することで、ねじの損傷を防止し、
破壊することから保護する免震締結装置を提供すること
を課題とする。In view of the above problems, the present invention incorporates an elastic body inside an enlarged portion attached to a nut seat surface, and absorbs an external force generated in a screw portion of a bolt or nut due to an earthquake, vibration, or the like. And damping to prevent screw damage,
It is an object to provide a seismic isolation fastening device that protects against destruction.
【００１０】また、弾性体の持つ高復元力を利用して緩
み止めとしての機能を具備した緩み止めを兼ねた免震締
結装置を提供することを課題とする。It is another object of the present invention to provide a seismic isolation fastening device which also has a function as a locking device by utilizing a high restoring force of an elastic body.
【００１１】さらに、本発明は、ナットと弾性体と押し
座金とを一体化し、小型で施工性、経済性、安全性の面
で優れた緩み止めを兼ねた免震締結装置を提供すること
を課題とする。Further, the present invention provides a seismic isolation fastening device which integrates a nut, an elastic body and a push washer, and which is compact and has a good locking function in terms of workability, economy and safety. Make it an issue.
【００１２】[0012]
【課題を解決するための手段】これらの課題を解決する
ために、本発明の請求項１に記載の免震締結装置の発明
は、次の要点からなるものである。すなわち、ボルトと
このボルトに螺合するナットよりなる締結装置におい
て、このナットの座面に拡大部を付設し、この拡大部に
ナットのねじ孔より大きな挿入孔を設ける。Means for Solving the Problems In order to solve these problems, the invention of a seismic isolation fastening device according to claim 1 of the present invention has the following essential points. That is, in a fastening device including a bolt and a nut screwed to the bolt, an enlarged portion is provided on a seat surface of the nut, and an insertion hole larger than a screw hole of the nut is provided in the enlarged portion.
【００１３】この挿入孔内にボルト孔を有する弾性体を
内蔵し、この弾性体を挿入孔内に押付ける押し座金をこ
の挿入孔に挿嵌して設け、押し座金および弾性体に挿嵌
したボルトを前記ナットに螺合して締結することを特徴
としている。An elastic body having a bolt hole is built in the insertion hole, and a press washer for pressing the elastic body into the insertion hole is provided by being inserted into the insertion hole, and is fitted to the push washer and the elastic body. It is characterized in that a bolt is screwed and fastened to the nut.
【００１４】請求項２に記載の免震締結装置の発明は、
請求項１の要点に加えて、弾性体を免震弾性ゴムとした
ことを特徴としている。The invention of a seismic isolation fastening device according to claim 2 is as follows.
In addition to the features of claim 1, the elastic body is made of seismic isolation elastic rubber.
【００１５】請求項３に記載の免震締結装置の発明は、
請求項１の要点に加えて、以下の要点からなるものであ
る。すなわち、弾性体を押付ける押し座金を、ナット座
面の挿入孔に挿嵌するボス部と、このボス部より拡大し
たフランジ部より構成する。[0015] The invention of the seismic isolation fastening device according to claim 3 is as follows.
In addition to the points of claim 1, the following points are included. That is, the pressing washer for pressing the elastic body is constituted by a boss portion to be inserted into the insertion hole of the nut seat surface, and a flange portion enlarged from the boss portion.
【００１６】そして、弾性体の厚みと押し座金のボス部
の長さの合計を、拡大部の挿入孔の深さより長く形成
し、挿入孔の開口端部と押し座金のフランジ部との間に
間隙を設けたことを特徴としている。The sum of the thickness of the elastic body and the length of the boss portion of the push washer is formed to be longer than the depth of the insertion hole of the enlarged portion, and the gap between the opening end of the insertion hole and the flange portion of the push washer is formed. It is characterized by providing a gap.
【００１７】請求項４に記載の同装置の発明は、請求項
１又は請求項３の要点に加えて、ナットとナット拡大部
の挿入孔に挿入する弾性体とこの弾性体を押付ける押し
座金とを一体化したことを特徴としている。According to a fourth aspect of the present invention, in addition to the gist of the first or third aspect, an elastic body inserted into the insertion hole of the nut and the enlarged portion of the nut and a push washer for pressing the elastic body are provided. And is integrated.
【００１８】請求項５に記載の同装置の発明は、請求項
４の要点に加えて、以下の要点からなる。すなわち、押
し座金のボス部の先端部からフランジ部までの外径をボ
ス部先端の外径より細径とし、この細径部の中央部にゴ
ム製リングを挿嵌するリング溝を形成する。The invention of the device according to claim 5 has the following essential points in addition to the essential points of claim 4. That is, the outer diameter from the tip of the boss of the push washer to the flange is made smaller than the outer diameter of the tip of the boss, and a ring groove for inserting a rubber ring is formed in the center of the small diameter.
【００１９】そして、ナットの拡大部に設けた挿入孔の
内面にこのリング外径を挿嵌するリングより幅広のリン
グ挿嵌溝を設ける。A ring insertion groove wider than the ring into which the outer diameter of the ring is inserted is provided on the inner surface of the insertion hole provided in the enlarged portion of the nut.
【００２０】前記挿入孔に挿嵌した弾性体を前記押し座
金で押付け、そのボス部のリング溝に挿嵌したゴム製リ
ングを挿入孔内面のリング挿嵌溝に挿嵌させ、ナットと
弾性体と押し座金とを一体化したことを特徴としてい
る。The elastic body inserted into the insertion hole is pressed by the push washer, and a rubber ring inserted into the ring groove of the boss portion is inserted into the ring insertion groove on the inner surface of the insertion hole, and the nut and the elastic body are inserted. And a push washer are integrated.
【００２１】請求項６に記載の同装置の発明は、請求項
１〜５のいずれかの要点に加えて、押し座金のボス部先
端と当接する側の弾性体外周に圧縮リングを挿嵌したこ
とを特徴としている。According to a sixth aspect of the present invention, in addition to the gist of any one of the first to fifth aspects, a compression ring is inserted and fitted around the outer periphery of the elastic body on the side of the push washer which comes into contact with the boss tip. It is characterized by:
【００２２】[0022]
【発明の実施の形態】以下、添付図面に示す実施例に基
づき、本発明の緩み止めを兼ねた免震締結装置の実施の
形態を詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a seismic isolation fastening device which also serves as a locking device according to the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings.
【００２３】図１は、本発明の免震締結装置を接合材の
締付けに使用した時の要部側面図である。図２は、本発
明の免震締結装置のナット側より見た背面図で、図３
は、図１のナットと弾性体および接合材とを断面とした
図２のＡ−Ａ線断面図である。図４は、押し座金の中央
縦断面図で、図５は、圧縮リングの平面図である。FIG. 1 is a side view of a main part when the seismic isolation fastening device of the present invention is used for fastening a joining material. FIG. 2 is a rear view of the seismic isolation fastening device of the present invention viewed from the nut side.
FIG. 3 is a cross-sectional view taken along the line AA of FIG. 2, illustrating a cross section of the nut, the elastic body, and the bonding material of FIG. 1. FIG. 4 is a central longitudinal sectional view of the push washer, and FIG. 5 is a plan view of the compression ring.
【００２４】ナット１は、図１および図２に示すよう
に、座面１１に円柱形の拡大部２をナット１と連続して
形成し、ナット１のねじ孔１２にボルト３のねじ３１を
螺合して締結するものである。ここで、ナット１の拡大
部２を除く側面の六角部およびねじ寸法と、ボルト３の
六角頭、ボルト径、ねじ寸法は、ＪＩＳに基づいたもの
とする。As shown in FIGS. 1 and 2, the nut 1 has a cylindrical enlarged portion 2 formed continuously on the seating surface 11 and the nut 1, and a screw 31 of the bolt 3 formed in the screw hole 12 of the nut 1. It is screwed and fastened. Here, the hexagonal portion and the screw size of the side surface of the nut 1 excluding the enlarged portion 2 and the hexagonal head, the bolt diameter, and the screw size of the bolt 3 are based on JIS.
【００２５】挿入孔２１は、前記拡大部２にナット１の
ねじ孔１２と連続して、このねじ孔１２より大きく設け
たものである。The insertion hole 21 is provided in the enlarged portion 2 so as to be continuous with the screw hole 12 of the nut 1 and larger than the screw hole 12.
【００２６】ここでは、ナット１の座面１１に拡大部２
を連結形成したが、拡大部２を設けず、ナット１の座面
１１に直接ねじ孔１２より大きな挿入孔（図示せず）を
設けることもできる。Here, the enlarged portion 2 is provided on the seat 11 of the nut 1.
However, an insertion hole (not shown) larger than the screw hole 12 can be provided directly on the seat surface 11 of the nut 1 without providing the enlarged portion 2.
【００２７】弾性体４は、内径をボルト３のねじ３１が
挿嵌する大きさのボルト孔４１とし、外径をこの挿入孔
２１に挿嵌可能な大きさとして筒状に形成したもので、
この弾性体４をパッドとして挿入孔２１に挿嵌する。The elastic body 4 is formed in a cylindrical shape with an inner diameter formed as a bolt hole 41 having a size capable of being inserted into the screw 31 of the bolt 3 and an outer diameter formed into a size capable of being inserted into the insertion hole 21.
The elastic body 4 is inserted into the insertion hole 21 as a pad.
【００２８】この弾性体４は、衝撃エネルギー、振動エ
ネルギー等を吸収して減衰する免震弾性ゴムとするのが
好ましいが、バネ、天然ゴム、合成ゴムその他合成樹脂
等の同様の作用を示すものであれば、どれを使ってもよ
い。The elastic body 4 is preferably made of seismic isolation elastic rubber that absorbs and attenuates impact energy, vibration energy, etc., but is similar to that of a spring, natural rubber, synthetic rubber, or other synthetic resin. You can use any of them.
【００２９】圧縮リング５は、図５に示すように、円周
の一部を切欠いたものである。この圧縮リング５を、押
し座金６のボス部６２先端が当接する弾性体４の面４２
の外周に設けた切欠部４３に前記円周の切欠きを利用し
て嵌め込んだものである。この圧縮リング５は、押し座
金６で押された弾性体４の容積変化を押え、ナット１と
ボルト３に均等な締結力を維持させるものである。As shown in FIG. 5, the compression ring 5 is formed by cutting off a part of the circumference. The compression ring 5 is attached to the surface 42 of the elastic body 4 with which the tip of the boss 62 of the push washer 6 contacts.
Is fitted into the notch 43 provided on the outer periphery of the above by using the notch of the circumference. The compression ring 5 suppresses a change in volume of the elastic body 4 pushed by the push washer 6, and keeps the nut 1 and the bolt 3 equally tightened.
【００３０】前記押し座金６は、その中心部にボルト３
を挿入するボルト挿通孔６１を設けた、前記拡大部２の
挿入孔２１に挿嵌するボス部６２と、このボス部６２の
一端にこれより拡大したフランジ部６３を連設してな
る。そして、挿入孔２１内に挿嵌した弾性体４の前記面
４２をこのボス部６２の先端で押すものである。The push washer 6 has a bolt 3 at its center.
A boss portion 62 provided with a bolt insertion hole 61 for inserting the boss portion and inserted into the insertion hole 21 of the enlarged portion 2, and a flange portion 63 enlarged from one end of the boss portion 62 are provided in series. Then, the surface 42 of the elastic body 4 inserted into the insertion hole 21 is pressed by the tip of the boss portion 62.
【００３１】このとき、弾性体４の厚みと押し座金６の
ボス部６２の長さの合計を、拡大部２の挿入孔２１の深
さより長く形成し、図１，図２に示すように、挿入孔２
１の開口端部と押し座金６のフランジ部６３とに間隙８
を設ける。At this time, the sum of the thickness of the elastic body 4 and the length of the boss portion 62 of the push washer 6 is formed to be longer than the depth of the insertion hole 21 of the enlarged portion 2, and as shown in FIGS. Insertion hole 2
1 and the flange portion 63 of the push washer 6
Is provided.
【００３２】この間隙８は、接合材９，１０から発生す
る外力を弾性体４で吸収減衰するためのものである。つ
まり、地震および振動等で接合材９，１０から発生する
外力を、押し座金６のフランジ部６３とボス部６２とを
介して弾性体４で受け、弾性体４が変形するとき、押し
座金６が図３で示す以上に挿入孔２１内に挿入すること
を可能にする。The gap 8 is for absorbing and attenuating the external force generated from the joining materials 9 and 10 by the elastic body 4. That is, when the elastic body 4 receives an external force generated from the joining materials 9 and 10 due to an earthquake, vibration, or the like via the flange portion 63 and the boss portion 62 of the push washer 6, when the elastic body 4 is deformed, the push washer 6 Allow insertion into the insertion hole 21 more than shown in FIG.
【００３３】細径部６４は、ボス部６２の先端よりフラ
ンジ部６３寄りのボス部の外周からフランジ部６３に至
る部分であり、外径をボス部６２の先端より僅かに細径
に形成したもので、この中央部にＯリング等のゴム製リ
ング７を嵌入するリング溝７１を形成する。このリング
溝７１は、リング７の内径部を嵌入するもので、図４に
示すように、断面を半円状に形成したものである。The small diameter portion 64 is a portion extending from the outer periphery of the boss portion closer to the flange portion 63 to the flange portion 63 from the tip of the boss portion 62, and has an outer diameter slightly smaller than the tip of the boss portion 62. A ring groove 71 into which the rubber ring 7 such as an O-ring is fitted is formed in the central portion. The ring groove 71 fits the inner diameter of the ring 7 and has a semicircular cross section as shown in FIG.
【００３４】また、このゴム製リング７はネオプレンゴ
ムとするのが好ましいが、ネオプレンゴムと同等のもの
ならば、ネオプレンゴム以外のものでもよい。The rubber ring 7 is preferably made of neoprene rubber, but may be other than neoprene rubber as long as it is equivalent to neoprene rubber.
【００３５】リング挿嵌溝７２は、図３に示すように、
拡大部２に設けた挿入孔２１の開口端部寄りの内面に設
けたもので、リング７の外径が挿嵌する大きさの内径と
し、リング７の幅より幅広に形成したものである。そし
て、この挿嵌溝７２は、ナット１の回転等により弾性体
４が変形した際に、押し座金６が挿入孔２１内を移動し
たとき、それに挿嵌されたリング７が移動する遊び用の
隙間を構成するものである。The ring insertion groove 72 is, as shown in FIG.
It is provided on the inner surface near the opening end of the insertion hole 21 provided in the enlarged portion 2, and has an inner diameter large enough to fit the outer diameter of the ring 7, and is formed wider than the width of the ring 7. When the elastic body 4 is deformed due to the rotation of the nut 1 or the like, when the push washer 6 moves in the insertion hole 21, the ring 7 inserted in the insertion groove 72 moves for play. It constitutes a gap.
【００３６】本発明の免震締結装置を組立てるにあたっ
て、面４２の外周の切欠部４３に圧縮リング５を挿嵌し
た弾性体４を、ナット１の拡大部２に設けた挿入孔２１
に、この面４２を挿入孔２１の外側にして挿入する。次
に、ボス部６２の細径部６４に設けたリング溝７１にゴ
ム製リング７を嵌入した押し座金６を、ボス部６２の先
端部から挿入孔２１の開口端部に嵌入する。In assembling the seismic isolation fastening device of the present invention, the elastic member 4 in which the compression ring 5 is inserted into the notch 43 on the outer periphery of the surface 42 is inserted into the insertion hole 21 provided in the enlarged portion 2 of the nut 1.
Then, this surface 42 is inserted outside the insertion hole 21. Next, the push washer 6 in which the rubber ring 7 is fitted in the ring groove 71 provided in the small diameter portion 64 of the boss portion 62 is fitted into the opening end of the insertion hole 21 from the tip of the boss portion 62.
【００３７】すると、押し座金６に嵌入したリング７
は、拡大部２の挿入孔２１の開口端部で変形し、図２に
示すように、挿入孔２１の内面に形成したリング挿嵌溝
７１に挿嵌し、ナット１と弾性体４と押し座金６とを一
体化する。Then, the ring 7 fitted into the push washer 6
Is deformed at the opening end of the insertion hole 21 of the enlarged portion 2 and is inserted into a ring insertion groove 71 formed on the inner surface of the insertion hole 21 as shown in FIG. The washer 6 is integrated.
【００３８】次に、本発明の免震締結装置を使用するに
あたって、例えば図１および図３に示す接合材９，１０
を貫通したボルト３の先端を、前記一体化したナット
１、弾性体４および押し座金６の押し座金６側から挿嵌
する。そして、前記ボルト３を弾性体４のボルト孔４１
に貫通して、ナット１のねじ孔１２にそのねじ３１を螺
合して締結する。Next, in using the seismic isolation fastening device of the present invention, for example, the joining members 9 and 10 shown in FIGS.
Is inserted from the side of the integrated washer 1, the elastic body 4 and the push washer 6 on the push washer 6 side. Then, the bolt 3 is inserted into the bolt hole 41 of the elastic body 4.
And the screw 31 is screwed into the screw hole 12 of the nut 1 and fastened.
【００３９】このとき、地震および振動等で接合材９，
１０から発生する外力は、前記間隙８が存するため、押
し座金６のフランジ部６３とボス部６２とを介して弾性
体４に伝達され、弾性体４で吸収減衰される。At this time, the joining material 9,
The external force generated from 10 is transmitted to the elastic body 4 via the flange 63 and the boss 62 of the push washer 6 because the gap 8 exists, and is absorbed and attenuated by the elastic body 4.
【００４０】こうして、ナット１のねじ孔１２とボルト
３のねじ３１に、接合材９，１０から発生する外力が伝
わることを遮断し、ねじ部１２，３１および接合材９，
１０の損傷、破壊を防止し、耐久性、安全性を高めるこ
とができる。In this manner, the transmission of the external force generated from the joining members 9 and 10 to the screw hole 12 of the nut 1 and the screw 31 of the bolt 3 is blocked, and the threaded portions 12 and 31 and the joining members 9 and
10 can be prevented from being damaged or broken, and durability and safety can be improved.
【００４１】また、弾性体４が有する高復元力の特性に
より、ボルト３、ナット１に高振動が加わっても、この
振動を弾性体４が吸収減衰するから、ボルト・ナットの
緩み止めに優れた作用を発揮するものである。Further, even if high vibration is applied to the bolt 3 and the nut 1, the elastic body 4 absorbs and attenuates the vibration due to the high restoring force characteristic of the elastic body 4, so that the bolt and nut are excellently prevented from loosening. It exerts an effect.
【００４２】押し座金６の細径部６４に嵌入したゴム製
リング７により、ナット１の拡大部２内部で弾性体４と
押し座金６とを一体化するから、この一体化する部材が
拡大部２の外部に突出しないので、締結装置自体の小型
化が図れる。The elastic body 4 and the push washer 6 are integrated inside the enlarged portion 2 of the nut 1 by the rubber ring 7 fitted into the small diameter portion 64 of the push washer 6. Since it does not protrude outside, the size of the fastening device itself can be reduced.
【００４３】また、ナット１と弾性体４と押し座金６と
が一体化されることにより、締結作業の自動化に容易に
対応でき、一体化構造のため現場施工が安易で、経済性
にも優れたものになる。Further, since the nut 1, the elastic body 4 and the push washer 6 are integrated, automation of the fastening operation can be easily performed. It becomes something.
【００４４】さらに、本発明は、接合材９，１０をねじ
締結する鋼構造物の他、コンクリート構造物、機器装
置、機械類の接合、組立て、設置に適合した耐震或いは
耐振締結装置として利用し得るものである。Further, the present invention is used as a seismic or vibration-resistant fastening device suitable for joining, assembling and installing concrete structures, equipment and machines, in addition to steel structures for fastening the joining members 9 and 10 with screws. What you get.
【００４５】[0045]
【発明の効果】請求項１に記載の緩み止めを兼ねた免震
締結装置によれば、接合材等に発生する衝撃、振動の外
力は、押し座金を介して弾性体で吸収減衰されるから、
ねじ部にかかる負荷の軽減を図ることができ、ねじ部、
接合材等の損傷、破壊を防止し得る。その結果、ボルト
・ナットおよび接合材等の耐久性、安全性を向上するす
ることができる。According to the seismic isolation fastening device having the function of preventing loosening according to the first aspect, the external force of shock and vibration generated in the joining material is absorbed and attenuated by the elastic body via the push washer. ,
The load on the thread can be reduced,
Damage and destruction of the joining material and the like can be prevented. As a result, it is possible to improve the durability and safety of the bolts / nuts and the joining material.
【００４６】請求項２に記載の緩み止めを兼ねた免震締
結装置によれば、請求項１の効果に加えて、弾性体を免
震弾性ゴムとしたから、接合材に働く衝撃エネルギー、
振動エネルギーを吸収減衰する。これにより、地震およ
び振動等によるねじ部に発生する外力を吸収し、減衰す
ることで、前記同様にねじ部、接合材の損傷、破壊を防
止し得る。According to the seismic isolation fastening device which also serves as the anti-loosening device according to the second aspect, in addition to the effect of the first aspect, since the elastic body is made of the seismic isolation elastic rubber, the impact energy acting on the joining material can be improved.
Absorbs and attenuates vibration energy. This absorbs and attenuates an external force generated in the screw portion due to an earthquake, vibration, or the like, thereby preventing damage and destruction of the screw portion and the joining material as described above.
【００４７】請求項３に記載の緩み止めを兼ねた免震締
結装置によれば、請求項１の効果に加えて、挿入孔の開
口端部と押し座金のフランジ部との間隙により、接合材
に作用する衝撃エネルギー、振動エネルギーは、弾性体
に直接伝達し、弾性体が変形することで吸収減衰するこ
とができる。According to the third aspect of the present invention, in addition to the effect of the first aspect, the joining material is formed by the gap between the opening end of the insertion hole and the flange of the push washer. The impact energy and vibration energy acting on the elastic body are directly transmitted to the elastic body, and can be absorbed and attenuated by the deformation of the elastic body.
【００４８】よって、ねじ部にかかる負荷の軽減を可能
とし、ねじ部、接合材等の損傷、破壊を防止することが
でき、前記同様にボルト・ナットおよび接合材等の耐久
性、安全性を向上するすることができる。Accordingly, the load applied to the screw portion can be reduced, and the screw portion and the joining material can be prevented from being damaged or broken, and the durability and safety of the bolt / nut and the joining material can be reduced as described above. Can be improved.
【００４９】請求項４に記載の緩み止めを兼ねた免震締
結装置によれば、請求項１および３の効果に加えて、ナ
ットとナット座面に付設した拡大部の挿入孔に挿入する
弾性体とこの弾性体を押付ける押し座金とを一体化す
る。According to the fourth aspect of the present invention, in addition to the effects of the first and third aspects, in addition to the effects of the first and third aspects, the elasticity to be inserted into the insertion hole of the nut and the enlarged portion provided on the nut seating surface is provided. The body and the pressing washer for pressing the elastic body are integrated.
【００５０】よって、ボルト・ナットの自動化締結に適
するようにでき施工性がよい、また、現場施工が容易で
あることにより、手間が省け、経済的である。Therefore, the method is suitable for automatic fastening of bolts and nuts, and the workability is good. In addition, since the on-site work is easy, the labor and cost are reduced.
【００５１】請求項５に記載の緩み止めを兼ねた免震締
結装置によれば、請求項４に記載の効果に加えて、簡単
な仕組みと部材を利用して一体化することができ、安価
に提供ができる。According to the seismic isolation fastening device which also serves as the anti-loosening device according to the fifth aspect, in addition to the effect according to the fourth aspect, it can be integrated by using a simple mechanism and members, and is inexpensive. Can be provided.
【００５２】また、この一体化のための部材を拡大部の
挿入孔内に装備できるので、拡大部外に突出せず、ナッ
トを含めた拡大部が大きくなることはなく、これら締結
装置自体を小型化できる。Further, since the member for the integration can be provided in the insertion hole of the enlarged portion, it does not protrude out of the enlarged portion, and the enlarged portion including the nut does not become large. Can be downsized.
【００５３】請求項６に記載の緩み止めを兼ねた免震締
結装置によれば、請求項１〜５の効果に加えて、圧縮リ
ングは弾性体の容積変化を押え、ボルトからナットへ均
等な締結力を維持できる。According to the seismic isolation fastening device which also serves as a locking device according to the sixth aspect, in addition to the effects of the first to fifth aspects, in addition to the effect of the compression ring, the compression ring suppresses a change in volume of the elastic body, so that the compression ring is evenly transferred from the bolt to the nut. Fastening force can be maintained.
【図１】本発明の免震締結装置を接合材の締付けに使用
した時の要部側面図である。FIG. 1 is a side view of a main part when the seismic isolation fastening device of the present invention is used for fastening a joining material.
【図２】本発明の免震締結装置のナット側より見た要部
背面図でである。FIG. 2 is a rear view of a main part of the seismic isolation fastening device of the present invention as viewed from a nut side.
【図３】拡大部を含むナットと弾性体と接合材のみを断
面とした図２のＡ−Ａ線断面図である。FIG. 3 is a sectional view taken along line AA of FIG. 2 in which only a nut including an enlarged portion, an elastic body, and a bonding material are sectioned.
【図４】押し座金のみの中央縦断面図である。FIG. 4 is a central vertical sectional view of only a push washer.
【図５】圧縮リングの平面図である。FIG. 5 is a plan view of a compression ring.
１ ナット １１ 座面 １２ ねじ孔 ２ 拡大部 ２１ 挿入孔 ３ ボルト ３１ ねじ ４ 弾性体 ４１ ボルト孔 ４２ 面 ４３ 切欠部 ５ 圧縮リング ６ 押し座金 ６１ ボルト挿通孔 ６２ ボス部 ６３ フランジ部 ６４ 細径部 ７ ゴム製リング ７１ リング溝 ７２ リング挿嵌溝 ８ 間隙 ９，１０ 接合材 DESCRIPTION OF SYMBOLS 1 Nut 11 Bearing surface 12 Screw hole 2 Enlarged part 21 Insertion hole 3 Bolt 31 Screw 4 Elastic body 41 Bolt hole 42 Surface 43 Notch 5 Compression ring 6 Push washer 61 Bolt insertion hole 62 Boss 63 Flange 64 Small diameter part 7 Rubber ring 71 Ring groove 72 Ring insertion groove 8 Gap 9,10 Joining material
Claims (6)
りなる締結装置において、このナットの座面に拡大部を
付設し、この拡大部にナットのねじ孔より大きな挿入孔
を設け、この挿入孔内にボルト孔を有する弾性体を内蔵
し、この弾性体を挿入孔内に押付ける押し座金をこの挿
入孔に挿嵌して設け、押し座金および弾性体に挿嵌した
ボルトを前記ナットに螺合して締結することを特徴とす
る緩み止めを兼ねた免震締結装置。In a fastening device comprising a bolt and a nut screwed to the bolt, an enlarged portion is provided on a seat surface of the nut, and an insertion hole larger than a screw hole of the nut is provided in the enlarged portion. An elastic body having a bolt hole is built therein, and a press washer for pressing the elastic body into the insertion hole is provided by being inserted into the insertion hole, and the push washer and a bolt inserted into the elastic body are screwed into the nut. A seismic isolation fastening device that also serves as a locking device characterized by fastening together.
とする請求項１記載の緩み止めを兼ねた免震締結装置。2. The seismic isolation fastening device as claimed in claim 1, wherein the elastic body is made of seismic isolation elastic rubber.
面の挿入孔に挿嵌するボス部と、このボス部より拡大し
たフランジ部より構成し、弾性体の厚みと押し座金のボ
ス部の長さの合計を、拡大部の挿入孔の深さより長く形
成し、挿入孔の開口端部と押し座金のフランジ部との間
に間隙を設けたことを特徴とする請求項１記載の緩み止
めを兼ねた免震締結装置。3. A pressing washer for pressing an elastic body is constituted by a boss portion to be inserted into an insertion hole of a nut seat surface and a flange portion enlarged from the boss portion, and the thickness of the elastic body and the boss portion of the pressing washer are provided. 2. The looseness according to claim 1, wherein the total length is formed to be longer than the depth of the insertion hole of the enlarged portion, and a gap is provided between the opening end of the insertion hole and the flange of the push washer. Seismic isolation fastening device that also serves as a stop.
る弾性体とこの弾性体を押付ける押し座金とを一体化し
たことを特徴とする請求項１又は請求項３に記載の緩み
止めを兼ねた免震締結装置。4. The locking device according to claim 1, wherein the nut, an elastic member inserted into the insertion hole of the nut enlarged portion, and a push washer for pressing the elastic member are integrated. Seismic isolation fastening device that also doubles.
部までの外径をボス部先端の外径より細径とし、この細
径部の中央部にゴム製リングを挿嵌するリング溝を形成
し、ナットの拡大部に設けた挿入孔の内面にこのリング
外径を挿嵌するリングより幅広のリング挿嵌溝を設け、
前記挿入孔に挿嵌した弾性体を前記押し座金で押付け、
そのボス部のリング溝に挿嵌したゴム製リングを挿入孔
内面のリング挿嵌溝に挿嵌させ、ナットと弾性体と押し
座金とを一体化したことを特徴とする請求項４記載の緩
み止めを兼ねた免震締結装置。5. An outer diameter from the tip of the boss of the push washer to the flange is made smaller than the outer diameter of the tip of the boss, and a ring groove for inserting a rubber ring into the center of the small diameter is provided. Forming and providing a ring insertion groove wider than the ring for inserting this ring outer diameter on the inner surface of the insertion hole provided in the enlarged portion of the nut,
Pressing the elastic body inserted in the insertion hole with the pressing washer,
5. The looseness according to claim 4, wherein a rubber ring inserted into the ring groove of the boss portion is inserted into the ring insertion groove on the inner surface of the insertion hole, and the nut, the elastic body and the push washer are integrated. Seismic isolation fastening device that also serves as a stop.
性体外周に圧縮リングを挿嵌したことを特徴とする請求
項１〜５のいずれかに記載の緩み止めを兼ねた免震締結
装置。6. The seismic isolation fastening as described in any one of claims 1 to 5, wherein a compression ring is inserted around the outer periphery of the elastic body on the side that comes into contact with the tip of the boss portion of the push washer. apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7328397A JPH10267024A (en) | 1997-03-26 | 1997-03-26 | Base isolation fastening device also serving as locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7328397A JPH10267024A (en) | 1997-03-26 | 1997-03-26 | Base isolation fastening device also serving as locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10267024A true JPH10267024A (en) | 1998-10-06 |
Family
ID=13513673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7328397A Pending JPH10267024A (en) | 1997-03-26 | 1997-03-26 | Base isolation fastening device also serving as locking device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10267024A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10563680B2 (en) | 2016-12-23 | 2020-02-18 | Lear Corporation | Dampened fastener assembly |
| JP2022507845A (en) * | 2018-11-21 | 2022-01-18 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Electric bicycle drive |
-
1997
- 1997-03-26 JP JP7328397A patent/JPH10267024A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10563680B2 (en) | 2016-12-23 | 2020-02-18 | Lear Corporation | Dampened fastener assembly |
| JP2022507845A (en) * | 2018-11-21 | 2022-01-18 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Electric bicycle drive |
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