JP4585547B2 - Hanging anti-vibration rubber - Google Patents

Hanging anti-vibration rubber Download PDF

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JP4585547B2
JP4585547B2 JP2007189144A JP2007189144A JP4585547B2 JP 4585547 B2 JP4585547 B2 JP 4585547B2 JP 2007189144 A JP2007189144 A JP 2007189144A JP 2007189144 A JP2007189144 A JP 2007189144A JP 4585547 B2 JP4585547 B2 JP 4585547B2
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vibration
rubber
rubber elastic
type anti
elastic bodies
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JP2009024786A (en
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俊也 島崎
保之 岸
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SWCC Showa Device Technology Co Ltd
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Description

本発明は、防音室やホール等の天井や送風機のダクト等を吊下げる吊り部材の中間部に使用されるのに好適な吊り型防振ゴムに関する。   The present invention relates to a suspension type anti-vibration rubber suitable for use in an intermediate portion of a suspension member that suspends a ceiling of a soundproof room or a hall, a duct of a blower, or the like.

従来この種の吊り型防振ゴムとして、図４に示されるように矩形に折り曲げられた金属板からなるハンガーフレーム４０の上端面に、建築物の上部（図示せず）に係止される吊りボルト４６を連結し、ハンガーフレーム４０の下端面に、ゴム弾性体４２を介して防音室やホール等の天井や送風機のダクト等の被支持物（図示せず）を支持する支持ボルト４４を連結して構成された吊り型防振ゴムがある（特許文献１参照）。図中符号４７、４８、４９は締付ナットを示している。   Conventionally, as this type of suspension type anti-vibration rubber, as shown in FIG. 4, it is suspended on the upper end surface of a hanger frame 40 made of a metal plate bent in a rectangular shape and held on the upper part (not shown) of the building. A bolt 46 is connected, and a support bolt 44 is connected to a lower end surface of the hanger frame 40 via a rubber elastic body 42 to support a supported object (not shown) such as a ceiling of a soundproof room or a hall, a duct of a blower, or the like. There is a suspension type anti-vibration rubber configured as described above (see Patent Document 1). In the figure, reference numerals 47, 48, and 49 denote tightening nuts.

このような吊り型防振ゴムでは、支持ボルト４４がハンガーフレーム４０の下端面とゴム弾性体４２の軸心にそれぞれ設けられた貫通孔に遊嵌されている。したがって、支持ボルト４４に下方向の力（引張荷重）が作用し、支持ボルト４４の上部に螺合された締付ナット４８とゴム弾性体４２の上面の金属板４２Ａとを介してゴム弾性体４２に圧縮荷重が加わることで防振される。   In such a suspension-type anti-vibration rubber, the support bolts 44 are loosely fitted in through holes provided in the lower end surface of the hanger frame 40 and the shaft center of the rubber elastic body 42, respectively. Accordingly, a downward force (tensile load) acts on the support bolt 44, and the rubber elastic body via the tightening nut 48 screwed onto the upper portion of the support bolt 44 and the metal plate 42 </ b> A on the upper surface of the rubber elastic body 42. Vibration is prevented by applying a compressive load to 42.

また、図４に示す吊り型防振ゴムと同一の許容荷重を保ちつつ、静的ばね定数を低くするため、図５に示されるようにハンガーフレーム５０の両端面に、それぞれゴム弾性体５２、５４を介在させて吊りボルト５６と支持ボルト５７とをそれぞれ連結した構造の吊り型防振ゴムがある。この吊り型防振ゴムは、吊りボルト５６に上方向の力、又は支持ボルト５７に下方向の力（引張荷重）が作用した場合は、それぞれゴム弾性体５２、５４に圧縮荷重として作用することで防振される。
実公昭６２−４４００９号公報 Further, in order to reduce the static spring constant while maintaining the same allowable load as the suspension type anti-vibration rubber shown in FIG. 4, rubber elastic bodies 52, respectively, are attached to both end faces of the hanger frame 50 as shown in FIG. 5. There is a suspension type anti-vibration rubber having a structure in which a suspension bolt 56 and a support bolt 57 are connected to each other with 54 interposed therebetween. This suspension type anti-vibration rubber acts as a compressive load on the rubber elastic bodies 52 and 54, respectively, when an upward force is applied to the suspension bolt 56 or a downward force (tensile load) is applied to the support bolt 57. It is vibration-proof.
Japanese Utility Model Publication No. 62-44009

既知の従来の技術には、次のような解決すべき課題があった。
図４に示した吊り型防振ゴムは、支持ボルト４４に下方向の力（引張荷重）が作用してゴム弾性体４２に圧縮荷重が加わったときには防振効果を発揮し得る。しかし、支持ボルト４４に上方向の力（押上げ力）が作用すると、締付ナット４９を介してハンガーフレーム４０の外側に突出しているゴム弾性体４２の下部４２Ｂに押上げ力が加わり、ストッパーとして機能するが、ハンガーフレーム４０の内側のゴム弾性体４２には圧縮荷重として力が加わわらないので、防振効果を発揮し得ない。 The known prior art has the following problems to be solved.
The suspension type anti-vibration rubber shown in FIG. 4 can exhibit an anti-vibration effect when a downward force (tensile load) acts on the support bolt 44 and a compression load is applied to the rubber elastic body 42. However, when an upward force (push-up force) is applied to the support bolt 44, a push-up force is applied to the lower part 42B of the rubber elastic body 42 protruding outside the hanger frame 40 via the tightening nut 49, and the stopper However, since a force is not applied as a compressive load to the rubber elastic body 42 inside the hanger frame 40, the anti-vibration effect cannot be exhibited.

また、図５に示した吊り型防振ゴムでも、支持ボルト５７に下方向の力（引張力）が作用してゴム弾性体５２、５４に圧縮荷重が加わったときには防振効果を発揮し得る。しかし、支持ボルト５７に上方向の力（押上げ力）が作用した場合はゴム弾性体５２及び５４には若干引張荷重が加わる程度で実質的に有効な防振効果を発揮し得ない。   Also, the suspension type vibration isolating rubber shown in FIG. 5 can exhibit a vibration isolating effect when a downward force (tensile force) acts on the support bolt 57 and a compression load is applied to the rubber elastic bodies 52 and 54. . However, when an upward force (push-up force) is applied to the support bolt 57, the rubber elastic bodies 52 and 54 cannot exert a substantially effective anti-vibration effect as long as a slight tensile load is applied.

このように、従来の吊り型防振ゴムはゴム弾性体４２に圧縮荷重が加わる場合に防振効果が生じるように設計することが一般的であった。実際にも支持ボルト４４に上方向の力が作用する頻度が低く、問題となるケースが少なかった。   As described above, the conventional suspension-type anti-vibration rubber is generally designed so as to produce an anti-vibration effect when a compression load is applied to the rubber elastic body 42. Actually, the frequency with which the upward force is applied to the support bolt 44 is low, and there are few cases that cause problems.

しかしながら、近時耐振要求の高まりにより、被支持物を通じて支持ボルト４４に押上げ力が作用して天井に振動が伝播することに対しても防振効果を奏する吊り型防振ゴムを設置することが望まれている。   However, a suspension type anti-vibration rubber that has an anti-vibration effect is also installed against the fact that vibration is propagated to the ceiling due to an increase in the vibration-proof requirement in recent years and a push-up force acting on the support bolt 44 through the supported object. Is desired.

本発明は、上記の課題を解決するためになされたもので、支持ボルトに作用する引張力あるいは押上げ力のいずれの荷重にも防振効果を発揮し得る吊り型防振ゴムを提供することを目的とする。   The present invention has been made in order to solve the above-described problems, and provides a suspension-type anti-vibration rubber capable of exhibiting an anti-vibration effect against any load of tensile force or push-up force acting on a support bolt. With the goal.

以下の構成はそれぞれ上記の課題を解決するための手段である。
〈構成１〉
被支持物を支持する支持ボルトに引張力あるいは押上げ力のいずれの荷重が作用しても２つのゴム弾性体のいずれかに圧縮荷重が加わり防振作用をする吊り型防振ゴムであって、基体の両端に互いに対向して配置された端板と上記基体の中間部に上記端板に対向して配置されて上記基体に固定された支持板とを有するハンガーフレームと、上記一方の端板に係止され、かつ建築物の上部に係止される吊りボルトと、軸心を貫通する中心孔を有し、かつ上記支持板を挟んで配置された２つのゴム弾性体とを備え、上記２つのゴム弾性体の各外側端面を、それぞれ押え板を介して上記支持ボルトに固定し、上記支持ボルトは、上記他方の端板及び上記支持板に設けられた貫通孔と上記２つのゴム弾性体の上記中心孔とに挿入されたことを特徴とする吊り型防振ゴム。 The following configurations are means for solving the above-described problems.
<Configuration 1>
A suspension-type anti-vibration rubber that acts as an anti-vibration function by applying a compressive load to one of two rubber elastic bodies, regardless of whether a load of tensile force or push-up force is applied to a support bolt that supports a supported object. a hanger frame having a are disposed opposite to the end plate to an intermediate portion of the arranged end plate and said substrate face each other across the substrate supporting plate fixed to said substrate, said one end A suspension bolt that is locked to the plate and locked to the upper part of the building, and a rubber elastic body that has a center hole that passes through the shaft center and is disposed with the support plate interposed therebetween, The outer end surfaces of the two rubber elastic bodies are respectively fixed to the support bolts via pressing plates, and the support bolts include the other end plate, a through hole provided in the support plate, and the two rubbers. It is characterized in that it is inserted in the said central hole of the elastic body Hanging type anti-vibration rubber.

２つのゴム弾性体のいずれかに圧縮荷重が加わるため、支持ボルトに作用する引張力あるいは押上げ力のいずれの荷重にも防振効果を発揮し得る。   Since a compressive load is applied to one of the two rubber elastic bodies, a vibration-proofing effect can be exerted for any load of tensile force or push-up force acting on the support bolt.

〈構成２〉
構成１に記載の吊り型防振ゴムにおいて、上記ハンガーフレームとして、板体を折り曲げてなる２つの矩形体を重ね合わせて固定すると共に、軸心に貫通孔を設けたものとし、上記２つの矩形体を重ね合せた端面の各内側に、上記２つのゴム弾性体をそれぞれ配設したことを特徴とする吊り型防振ゴム。 <Configuration 2>
In the suspension type anti-vibration rubber described in Configuration 1, as the hanger frame, two rectangular bodies formed by bending a plate body are overlapped and fixed, and a through hole is provided in the shaft center. A suspension type anti-vibration rubber, characterized in that the two rubber elastic bodies are respectively arranged on the inner sides of the end faces on which the bodies are overlapped.

ハンガーフレームの成型加工が容易である。   The hanger frame can be molded easily.

〈構成３〉
構成１又は２に記載の吊り型防振ゴムにおいて、上記ハンガーフレームとして、板体をＥ字形に加工した形状のフレームを使用したことを特徴とする吊り型防振ゴム。 <Configuration 3>
The suspension type anti-vibration rubber according to Configuration 1 or 2, wherein the hanger frame is a frame in which a plate is processed into an E shape.

規模の小さい防振構造に簡易構造の吊り型防振ゴムとして使用できる。ハンガーフレームの重さを軽減できる。   It can be used as a suspension type anti-vibration rubber with a simple structure for a small-scale anti-vibration structure. The weight of the hanger frame can be reduced.

〈構成４〉
構成１乃至３のいずれかに記載の吊り型防振ゴムにおいて、上記２つのゴム弾性体として、互いに防振特性の異なる２つのゴム弾性体を使用したことを特徴とする吊り型防振ゴム。 <Configuration 4>
The suspension type anti-vibration rubber according to any one of configurations 1 to 3, wherein two rubber elastic bodies having different anti-vibration characteristics are used as the two rubber elastic bodies.

互いに防振特性の異なる２つのゴム弾性体を使用することにより、使用状況に応じて適宜バリエーションを変えることができる。   By using two rubber elastic bodies having different anti-vibration characteristics, variations can be appropriately changed according to the use situation.

以下、本発明の実施の形態を実施例毎に詳細に説明する。   Hereinafter, embodiments of the present invention will be described in detail for each example.

図１は実施例１の吊り型防振ゴムを示す断面図である。
吊り型防振ゴムは、ハンガーフレーム１２と、ハンガーフレーム１２の上端板１２ｂに係止された吊りボルト２０と、ハンガーフレーム１２の下端板１２ｃに設けられた貫通孔１８に挿入された支持ボルト２２と、ハンガーフレーム１２の基部１２ａに設けられた支持板１２ｄを挟んで配置された２つのゴム弾性体２４Ａ、２４Ｂとを備えている。 FIG. 1 is a cross-sectional view showing a suspended vibration-proof rubber of Example 1. FIG.
The suspension-type anti-vibration rubber includes a hanger frame 12, a suspension bolt 20 that is locked to the upper end plate 12 b of the hanger frame 12, and a support bolt 22 that is inserted into the through hole 18 provided in the lower end plate 12 c of the hanger frame 12. And two rubber elastic bodies 24A and 24B arranged with a support plate 12d provided on the base 12a of the hanger frame 12 interposed therebetween.

ハンガーフレーム１２は、基体１２ａとその両端にそれぞれ配置された上端板１２ｂ、下端板１２ｃと基体１２ａの中間部に配置された支持板１２ｄとから構成されている。ハンガーフレーム１２は、一枚の板体を矩形に折り曲げた形状とすることにより基体１２ａ、上端板１２ｂ及び下端板１２ｃを一体構成してもよいが、別体の各部品を組立てて構成してもよい。一体構成とした場合、支持板１２ｄは別途形成されて溶接あるいはボルトによる締結手段により取付け固定される。ハンガーフレーム１２の上端板１２ｂ、支持板１２ｄ、下端板１２ｃは互いに対向しており、各中心部にそれぞれ貫通孔１４、１６、１８が設けられている。   The hanger frame 12 includes a base body 12a, an upper end plate 12b disposed at both ends thereof, a lower end plate 12c, and a support plate 12d disposed at an intermediate portion of the base body 12a. The hanger frame 12 may be configured by integrally forming the base 12a, the upper end plate 12b, and the lower end plate 12c by bending a single plate into a rectangular shape. Also good. In the case of an integral structure, the support plate 12d is formed separately and is fixedly attached by welding or bolt fastening means. The upper end plate 12b, the support plate 12d, and the lower end plate 12c of the hanger frame 12 are opposed to each other, and through holes 14, 16 and 18 are provided in the respective central portions.

２つのゴム弾性体２４Ａ、２４Ｂは、各外側端面にそれぞれ金属板２９ａ、２９ｂが接着され、軸心を貫通する中心孔２５が設けられている。ゴム弾性体２４Ａ、２４Ｂの金属板２９ａ、２９ｂの外側にそれぞれ押え板２６と２８が配置されている。ゴム弾性体２４Ａ、２４Ｂは、同一のゴム弾性体でもよいが、使用状況に応じて互いに異なるばね定数等の防振特性を有するゴム弾性体を使用してバリエーションを変えるようにしてもよい。図１においては、ゴム弾性体２４Ａ、２４Ｂとして、それぞれ片側の各端面に金属板２９ａ、２９ｂを設けたものを示したが、必要に応じて、それぞれ支持板１２ｄに接する側の各端面にも金属板を設けたものでもよい。   The two rubber elastic bodies 24A and 24B have metal plates 29a and 29b bonded to the outer end surfaces, respectively, and provided with a center hole 25 penetrating the shaft center. The holding plates 26 and 28 are disposed outside the metal plates 29a and 29b of the rubber elastic bodies 24A and 24B, respectively. The rubber elastic bodies 24A and 24B may be the same rubber elastic body, but variations may be changed by using rubber elastic bodies having anti-vibration characteristics such as different spring constants depending on use conditions. In FIG. 1, the rubber elastic bodies 24A and 24B are shown with the metal plates 29a and 29b provided on the respective end surfaces on one side, but the end surfaces on the side in contact with the support plate 12d are also provided as necessary. A metal plate may be provided.

吊りボルト２０は先端部が上端板１２ｂの貫通孔１４に嵌合され、上端板１２ｂを外側と内側から挟む２つのナット３０、３２により上端板１２ｂに固定されている。支持ボルト２２は、ハンガーフレーム１２の下端板１２ｃの貫通孔１８と支持板１２ｄの貫通孔１６とに挿入され、さらに支持板１２ｄの両側に配置されたゴム弾性体２４Ａ、２４Ｂの中心孔２５に挿入されている。２つのゴム弾性体２４Ａ、２４Ｂは各外側端面にそれぞれ配置した押え板２６と２８とナット３４、３６とにより支持ボルト２２に固定されている。   The tip of the suspension bolt 20 is fitted in the through hole 14 of the upper end plate 12b, and is fixed to the upper end plate 12b by two nuts 30 and 32 that sandwich the upper end plate 12b from the outside and the inside. The support bolt 22 is inserted into the through hole 18 of the lower end plate 12c of the hanger frame 12 and the through hole 16 of the support plate 12d, and is further inserted into the center holes 25 of the rubber elastic bodies 24A and 24B disposed on both sides of the support plate 12d. Has been inserted. The two rubber elastic bodies 24A and 24B are fixed to the support bolt 22 by holding plates 26 and 28 and nuts 34 and 36 disposed on the respective outer end surfaces.

実施例１の吊り型防振ゴムは、このように構成され、使用時に支持ボルト２２に引張力あるいは押上げ力のいずれの荷重が作用しても２つのゴム弾性体２４Ａ、２４Ｂのいずれかに圧縮荷重が加わるため防振効果を発揮し得る。   The suspension type anti-vibration rubber of Example 1 is configured in this way, and even if any load of tensile force or push-up force is applied to the support bolt 22 during use, it is applied to one of the two rubber elastic bodies 24A and 24B. Since a compressive load is applied, an anti-vibration effect can be exhibited.

図２は実施例２の吊り型防振ゴムを示す断面図である。図１と共通する部分には同一符号を付して重複説明を省略する。
この実施例では、図２に示すように、ハンガーフレーム１２として、金属板を矩形に折り曲げた形状のフレーム１３Ａ、１３Ｂを２つ重ね合わせて固定すると共に、これらのフレーム１３Ａ、１３Ｂを重ね合せた端面の各内面にゴム弾性体２４Ａ、２４Ｂをそれぞれ配設したものである。 FIG. 2 is a cross-sectional view showing a suspended vibration-proof rubber of Example 2. Portions common to those in FIG.
In this embodiment, as shown in FIG. 2, as a hanger frame 12, two frames 13A and 13B each having a metal plate bent into a rectangular shape are overlapped and fixed, and these frames 13A and 13B are overlapped. Rubber elastic bodies 24A and 24B are respectively disposed on the inner surfaces of the end surfaces.

重ね合わせた２つのフレーム１３Ａ、１３Ｂの各中心部にそれぞれ貫通孔１４、１６、１８が設けられ、図１と同様にナット３０、３２及びナット３４、３６を介して吊りボルト２０と支持ボルト２２とがそれぞれ取り付けられている。２つのフレーム１３Ａ、１３Ｂを重ね合せた端面が図１の支持板１２ｄと同様にゴム弾性体２４Ａ、２４Ｂをそれぞれ支持する機能を果たしている。   Through holes 14, 16, and 18 are provided in the central portions of the two superimposed frames 13 </ b> A and 13 </ b> B, respectively. As in FIG. 1, the suspension bolt 20 and the support bolt 22 are connected via the nuts 30 and 32 and the nuts 34 and 36. And are attached respectively. The end face where the two frames 13A and 13B are overlapped functions like the support plate 12d in FIG. 1 to support the rubber elastic bodies 24A and 24B, respectively.

この実施例においても、２つのゴム弾性体２４Ａ、２４Ｂは、同一のゴム弾性体でもよいが、使用状況に応じて互いに異なるばね定数等の防振特性を有するゴム弾性体を使用してバリエーションを変えるようにしてもよい。   Also in this embodiment, the two rubber elastic bodies 24A and 24B may be the same rubber elastic body, but variations are possible by using rubber elastic bodies having anti-vibration characteristics such as different spring constants depending on the use situation. It may be changed.

この実施例の吊り型防振ゴムも、使用時に支持ボルト２２に引張力あるいは押上げ力のいずれの荷重が作用しても２つのゴム弾性体２４Ａ、２４Ｂのいずれかに圧縮荷重が加わるため防振効果を発揮する。   The suspension type anti-vibration rubber of this embodiment is also protected because a compressive load is applied to one of the two rubber elastic bodies 24A and 24B regardless of whether a tensile force or a pushing force is applied to the support bolt 22 during use. Demonstrate the vibration effect.

図３は実施例３の吊り型防振ゴムを示す断面図である。図１と共通する部分には同一符号を付して重複説明を省略する。
この実施例では、図３に示すように、ハンガーフレーム１２として、１枚の平板からなる基体１２ａと、その両端にそれぞれ配置された上端板１２ｂ及び下端板１２ｃと、基体１２ａの中間部に配置された支持板１２ｄとによりＥ字形に加工した形状のフレームを使用したものである。 FIG. 3 is a cross-sectional view showing a suspended vibration-proof rubber of Example 3. Portions common to those in FIG.
In this embodiment, as shown in FIG. 3, as a hanger frame 12, a base plate 12a made of a single flat plate, an upper end plate 12b and a lower end plate 12c respectively disposed at both ends thereof, and an intermediate portion of the base body 12a. A frame having a shape processed into an E shape by the support plate 12d is used.

この実施例の吊り型防振ゴムも、使用時に支持ボルト２２に引張力あるいは押上げ力のいずれの荷重が作用しても２つのゴム弾性体２４Ａ、２４Ｂのいずれかに圧縮荷重が加わるため防振効果を発揮する。規模の小さい防振構造に簡易構造の吊り型防振ゴムとして使用できる。ハンガーフレーム１２の重さを軽減できる。   The suspension type anti-vibration rubber of this embodiment is also protected because a compressive load is applied to one of the two rubber elastic bodies 24A and 24B regardless of whether a tensile force or a pushing force is applied to the support bolt 22 during use. Demonstrate the vibration effect. It can be used as a suspension type anti-vibration rubber with a simple structure for a small-scale anti-vibration structure. The weight of the hanger frame 12 can be reduced.

実施例１の吊り型防振ゴムを示す断面図である。1 is a cross-sectional view showing a suspension type vibration-proof rubber of Example 1. FIG. 実施例２の吊り型防振ゴムを示す断面図である。6 is a cross-sectional view showing a suspension type vibration-proof rubber of Example 2. FIG. 実施例３の吊り型防振ゴムを示す断面図である。FIG. 6 is a cross-sectional view showing a suspended vibration-proof rubber of Example 3. 従来の吊り型防振ゴムを示す断面図である。It is sectional drawing which shows the conventional suspension type anti-vibration rubber. 従来の他の吊り型防振ゴムを示す断面図である。It is sectional drawing which shows the other conventional suspension type vibration-proof rubber.

符号の説明Explanation of symbols

１２ ハンガーフレーム
１２ａ 基体
１２ｂ、１２ｃ 端板
１２ｄ 支持板
１４、１６、１８ 貫通孔
２０ 吊りボルト
２２ 支持ボルト
２４Ａ、２４Ｂ ゴム弾性体
２６、２８ 押え板
３０、３２、３４、３６ ナット 12 Hanger frame 12a Base body 12b, 12c End plate 12d Support plate 14, 16, 18 Through hole 20 Suspension bolt 22 Support bolt 24A, 24B Rubber elastic body 26, 28 Press plate 30, 32, 34, 36 Nut

Claims (4)

被支持物を支持する支持ボルトに引張力あるいは押上げ力のいずれの荷重が作用しても２つのゴム弾性体のいずれかに圧縮荷重が加わり防振作用をする吊り型防振ゴムであって、
基体の両端に互いに対向して配置された端板と前記基体の中間部に前記端板に対向して配置されて前記基体に固定された支持板とを有するハンガーフレームと、
前記一方の端板に係止され、かつ建築物の上部に係止される吊りボルトと、
軸心を貫通する中心孔を有し、かつ前記支持板を挟んで配置された２つのゴム弾性体とを備え、
前記２つのゴム弾性体の各外側端面を、それぞれ押え板を介して前記支持ボルトに固定し、
前記支持ボルトは、前記他方の端板及び前記支持板に設けられた貫通孔と前記２つのゴム弾性体の前記中心孔とに挿入されたことを特徴とする吊り型防振ゴム。 A suspension-type anti-vibration rubber which acts as an anti-vibration function by applying a compressive load to one of two rubber elastic bodies, regardless of whether a load of tensile force or push-up force is applied to a support bolt that supports a supported object. ,
A hanger frame having an end plate disposed opposite to each other at both ends of the base, and a support plate disposed opposite to the end plate at an intermediate portion of the base and fixed to the base ;
A suspension bolt that is locked to the one end plate and locked to the upper part of the building,
Two rubber elastic bodies having a center hole penetrating the shaft center and disposed with the support plate interposed therebetween,
Each outer end surface of the two rubber elastic bodies is fixed to the support bolt via a pressing plate, respectively.
The suspension type anti-vibration rubber , wherein the support bolt is inserted into the other end plate and a through hole provided in the support plate and the central hole of the two rubber elastic bodies . 請求項１に記載の吊り型防振ゴムにおいて、
前記ハンガーフレームとして、板体を折り曲げてなる２つの矩形体を重ね合わせて固定すると共に、軸心に貫通孔を設けたものとし、前記２つの矩形体を重ね合せた端面の各内側に、前記２つのゴム弾性体をそれぞれ配設したことを特徴とする吊り型防振ゴム。 In the suspension type anti-vibration rubber according to claim 1,
As the hanger frame, two rectangular bodies formed by bending a plate body are overlapped and fixed, and a through hole is provided in an axial center, and the inner surfaces of the end faces where the two rectangular bodies are overlapped, A suspension-type anti-vibration rubber characterized in that two rubber elastic bodies are provided. 請求項１又は２に記載の吊り型防振ゴムにおいて、
前記ハンガーフレームとして、板体をＥ字形に加工した形状のフレームを使用したことを特徴とする吊り型防振ゴム。 In the suspension type anti-vibration rubber according to claim 1 or 2,
A suspension type anti-vibration rubber characterized in that a frame having a shape obtained by processing a plate body into an E shape is used as the hanger frame. 請求項１乃至３のいずれかに記載の吊り型防振ゴムにおいて、
前記２つのゴム弾性体として、互いに防振特性の異なる２つのゴム弾性体を使用したことを特徴とする吊り型防振ゴム。 In the suspension type anti-vibration rubber according to any one of claims 1 to 3,
A suspension type anti-vibration rubber characterized in that two rubber elastic bodies having different anti-vibration characteristics are used as the two rubber elastic bodies.
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JP6396776B2 (en) * 2014-12-03 2018-09-26 株式会社ニチベイ Vibration isolator for moving partition
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JP6940634B2 (en) * 2020-01-20 2021-09-29 因幡電機産業株式会社 Anti-vibration equipment
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5427249U (en) * 1977-07-27 1979-02-22
JP2004076871A (en) * 2002-08-20 2004-03-11 Tokkyokiki Corp Vibrationproof hanger device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5427249U (en) * 1977-07-27 1979-02-22
JP2004076871A (en) * 2002-08-20 2004-03-11 Tokkyokiki Corp Vibrationproof hanger device

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