JP6526487B2 - Vibration control device - Google Patents

Vibration control device Download PDF

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JP6526487B2
JP6526487B2 JP2015119605A JP2015119605A JP6526487B2 JP 6526487 B2 JP6526487 B2 JP 6526487B2 JP 2015119605 A JP2015119605 A JP 2015119605A JP 2015119605 A JP2015119605 A JP 2015119605A JP 6526487 B2 JP6526487 B2 JP 6526487B2
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mounting member
bush
vibration
elastic body
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JP2017003062A (en
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健一郎 岩崎
健一郎 岩崎
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Bridgestone Corp
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Description

本発明は、防振装置に関する。   The present invention relates to a vibration isolation device.

従来の防振装置には、空洞部が形成された本体弾性体によって内筒と中間筒との間が連結された第１のブッシュと、空洞部のない第２の本体弾性体によって第２の内筒と第２の外筒との間が連結された第２のブッシュとを備え、これら２つブッシュを、連結ロッドを用いて連結したものがある（例えば、特許文献１参照）。   The conventional vibration damping device includes a first bush in which the inner cylinder and the intermediate cylinder are connected by an elastic body having a hollow formed therein, and a second elastic body having a hollow without the second elastic body. There is one having a second bush in which the inner cylinder and the second outer cylinder are connected, and these two bushes are connected using a connection rod (see, for example, Patent Document 1).

特開２０１４−１６３４４８号公報JP, 2014-163448, A

一方、防振装置には、柔らかなばね特性が要求されるものがある。特許文献１に記載の防振装置によれば、第１ブッシュの本体弾性体のばね特性と第２ブッシュの第２本体弾性体のばね特性とを変更することで、柔らかなばね特性を得ることができる。   On the other hand, some vibration damping devices require soft spring characteristics. According to the vibration damping device described in Patent Document 1, obtaining a soft spring characteristic by changing the spring characteristic of the main body elastic body of the first bush and the spring characteristic of the second main body elastic body of the second bush. Can.

しかしながら、柔らかなばね特性を簡易な構成で得られる防振装置が市場の需要として求められていることも事実である。   However, it is also a fact that a vibration damping device capable of obtaining soft spring characteristics with a simple configuration is required as market demand.

本発明の目的は、柔らかなばね特性を簡易な構成で得ることができる防振装置を提供することにある。   An object of the present invention is to provide an antivibration device capable of obtaining soft spring characteristics with a simple configuration.

本発明に係る防振装置は、外側取付部材と、振動発生部および振動受部のうちのいずれか一方に連結される内側取付部材と、前記外側取付部材と前記内側取付部材とを連結する弾性体とを有する第１ブッシュと、前記振動発生部および前記振動受部のうちのいずれか他方に連結される取付部材を有する第２ブッシュと、前記第１ブッシュと前記第２ブッシュとを連結する連結部と、を備え、前記弾性体は、前記外側取付部材に固定された固定部と、前記固定部と前記内側取付部材とを連結するとともに前記外側取付部材と非接着に形成された一対の脚部とを有することを特徴とする。
本発明に係る防振装置によれば、柔らかなばね特性を簡易な構成で得ることができる。 The vibration damping device according to the present invention comprises an outer mounting member, an inner mounting member connected to one of the vibration generating portion and the vibration receiving portion, and an elastic member connecting the outer mounting member and the inner mounting member. Connecting a first bush having a body, a second bush having an attachment member connected to any one of the vibration generating portion and the vibration receiving portion, and connecting the first bush and the second bush A connecting portion, and the elastic body connects the fixing portion fixed to the outer mounting member, the fixing portion and the inner mounting member, and a pair of the outer mounting member and the non-adhesively formed And a leg portion.
According to the vibration damping device of the present invention, soft spring characteristics can be obtained with a simple configuration.

本発明に係る防振装置では、前記取付部材と前記連結部の間には、弾性体が介在しないようにすることができる。
この場合、第２ブッシュの弾性体を省略した分だけ、省スペース化およびコスト削減などを図ることができる。 In the vibration control device according to the present invention, an elastic body can be prevented from being interposed between the attachment member and the connection portion.
In this case, space saving, cost reduction and the like can be achieved by the omission of the elastic body of the second bush.

本発明によれば、柔らかなばね特性を簡易な構成で得ることができる防振装置を提供することができる。   According to the present invention, it is possible to provide an anti-vibration device capable of obtaining soft spring characteristics with a simple configuration.

本発明の第１の実施形態に係る防振装置を示す平面図である。It is a top view showing a vibration control device concerning a 1st embodiment of the present invention. 本発明の第２の実施形態に係る防振装置を示す平面図である。It is a top view which shows the vibration isolator which concerns on the 2nd Embodiment of this invention.

以下、図面を参照して、本発明に係る防振装置の様々な実施形態を説明する。   Hereinafter, various embodiments of the vibration damping device according to the present invention will be described with reference to the drawings.

図１は、本発明の第１の実施形態に係る防振装置１を示す。図１中、符号１０は、防振装置１を構成する、第１ブッシュである。第１ブッシュ１０は、筒状の外側取付部材１１と、外側取付部材１１の内側に配置された筒状の内側取付部材１２と、外側取付部材１１および内側取付部材１２の間に配置され、これらを連結する弾性体１３とを有している。   FIG. 1 shows a vibration-damping device 1 according to a first embodiment of the present invention. In FIG. 1, reference numeral 10 denotes a first bush which constitutes the vibration isolation device 1. The first bush 10 is disposed between the cylindrical outer attachment member 11, the cylindrical inner attachment member 12 disposed inside the outer attachment member 11, and the outer attachment member 11 and the inner attachment member 12. And an elastic body 13 connecting the two.

本実施形態では、外側取付部材１１は、円筒状の外筒で構成されており、また、内側取付部材１２は、振動発生部または振動受部のうちのいずれか一方に繋がるシャフト等が嵌め込まれる円筒状の内筒で構成されている。本実施形態では、外側取付部材１１および内側取付部材１２は、例えば金属で構成されている。   In the present embodiment, the outer attachment member 11 is formed of a cylindrical outer cylinder, and the inner attachment member 12 is fitted with a shaft or the like connected to any one of the vibration generating portion and the vibration receiving portion. It is comprised by the cylindrical inner cylinder. In the present embodiment, the outer attachment member 11 and the inner attachment member 12 are made of, for example, metal.

また本実施形態では、弾性体１３は、例えば、ゴム等の弾性材料で構成されている。本実施形態では、弾性体１３は、外側取付部材１１および内側取付部材１２の間に加硫接着されたゴム部材で構成されている。   Further, in the present embodiment, the elastic body 13 is made of, for example, an elastic material such as rubber. In the present embodiment, the elastic body 13 is formed of a rubber member bonded by vulcanization between the outer attachment member 11 and the inner attachment member 12.

弾性体１３は、外側取付部材１１に固定された固定部１３ａと、固定部１３ａと内側取付部材１２とを連結する一対の脚部１３ｂとを有している。２つの脚部１３ｂは、それぞれ、外側取付部材１１と非接着（図１の例では、外側取付部材１１から離間している）に形成されている。本実施形態では、２つの脚部１３ｂは、それぞれ、弾性体１３の内側取付部材１２に固定された固定部１３ｃを介して固定部１３ａと内側取付部材１２とを連結している。言い換えれば、本実施形態では、２つの脚部１３ｂは、それぞれ、固定部１３ａを介して外側取付部材１１に連結されており、また、固定部１３ｃを介して内側取付部材１２に連結されている。これにより、本実施形態では、弾性体１３は、外側取付部材１１と内側取付部材１２との間に２つの空隙Ｃ1 および空隙Ｃ2 を形成している。 The elastic body 13 has a fixing portion 13 a fixed to the outer mounting member 11 and a pair of leg portions 13 b connecting the fixing portion 13 a and the inner mounting member 12. The two legs 13 b are respectively formed to be non-adhesive (in the example of FIG. 1, separated from the outer mounting member 11) with the outer mounting member 11. In the present embodiment, the two legs 13 b respectively connect the fixing portion 13 a and the inner mounting member 12 via the fixing portion 13 c fixed to the inner mounting member 12 of the elastic body 13. In other words, in the present embodiment, the two legs 13b are respectively connected to the outer mounting member 11 via the fixing portion 13a, and are connected to the inner mounting member 12 via the fixing portion 13c. . Thus, in the present embodiment, the elastic body 13, so as to form two air gaps C 1 and voids C 2 between the outer mounting member 11 and the inner mounting member 12.

次いで図１中、符号２０は、防振装置１を構成する、第２ブッシュである。第２ブッシュ２０は、前記振動発生部および前記振動受部のうちのいずれか他方に連結される取付部材２１を有している。本実施形態では、取付部材２１と後述する連結部３０との間には、ゴム弾性体等の弾性体が介在しない。本実施形態では、第２ブッシュ２０は、取付部材２１のみで構成されている。   Next, in FIG. 1, reference numeral 20 denotes a second bush that constitutes the vibration control device 1. The second bush 20 has an attachment member 21 connected to any one of the vibration generator and the vibration receiver. In the present embodiment, an elastic body such as a rubber elastic body does not intervene between the mounting member 21 and the connection portion 30 described later. In the present embodiment, the second bush 20 is configured only by the mounting member 21.

符号３０は、防振装置１を構成する連結部である。連結部３０は、第１ブッシュ１０と第２ブッシュ２０とを連結している。本実施形態では、連結部３０は、第１ブッシュ１０の外側取付部材１１を固定する固定部分３１と、第２ブッシュ２０の取付部材２１を固定する固定部分３２と、固定部分３１および固定部分３２を一体に繋ぐ軸部分３３とを有している。   The code | symbol 30 is a connection part which comprises the anti-vibration device 1. The connecting portion 30 connects the first bush 10 and the second bush 20. In the present embodiment, the connecting portion 30 includes a fixing portion 31 for fixing the outer mounting member 11 of the first bush 10, a fixing portion 32 for fixing the mounting member 21 of the second bush 20, a fixing portion 31 and a fixing portion 32. And an axial portion 33 connecting the two together.

本実施形態では、連結部３０は、軸方向Ｌ−Ｌに沿って延在している。さらに詳細には、軸方向Ｌ−Ｌは、図１に示す平面視で、第１ブッシュ１０および第２ブッシュ２０を連結部３０の固定部分３１および固定部分３２に固定したとき、第１ブッシュ１０の内側取付部材１２の中心軸Ｏ1 と、第２ブッシュ２０の取付部材２１の中心軸Ｏ2 とを通る直線（図中のＬ−Ｌ線）に沿って延在している。 In the present embodiment, the connecting portion 30 extends along the axial direction L-L. More specifically, in the axial direction L-L, when the first bush 10 and the second bush 20 are fixed to the fixing portion 31 and the fixing portion 32 of the connecting portion 30 in a plan view shown in FIG. the center axis O 1 of the inner mounting member 12, extends along a straight line (L-L line in the figure) passing through the central axis O 2 of the attachment member 21 of the second bushing 20.

次に、図１の防振装置１の作用を説明する。
防振装置１は、一対の脚部１３ｂを有し、これら脚部１３ｂが外側取付部材１１に対して非接着であることから、２つの脚部１３ｂを積極的にしならせることで、ばね機能を持たせることができる。また、ばね特性は、２つの脚部１３ｂを積極的にしならせる構成を採用したことで柔らかく、例えば、連結部３０の軸部分３３の延在方向（軸方向Ｌ−Ｌ）に沿った弾性率が低くなる。例えば、２つの脚部１３ｂを固定部１３ａに固定せず、固定部１３ａを介さずに図１の平面視で、連結部３０の軸部分３３の延在方向（軸方向Ｌ−Ｌ）の両側で、それぞれ、個別に外側取付部材１１に接着して、外側取付部材１１に連結させた場合、当該脚部１３ｂを本実施形態に係る脚部１３ｂと同一厚さとして比較すると、本実施形態のばね特性はより柔らかくなる。さらに防振装置１は、第１ブッシュ１０に２つの脚部１３ｂを設けるだけの簡易な構成で、柔らかなばね特性を得ることができる。このように、防振装置１によれば、柔らかなばね特性を簡易な構成で得ることができる。 Next, the operation of the vibration control device 1 of FIG. 1 will be described.
The anti-vibration device 1 has a pair of legs 13b, and since the legs 13b are not adhered to the outer attachment member 11, the spring function can be achieved by positively bending the two legs 13b. Can be In addition, the spring characteristic is soft by adopting a configuration in which the two legs 13b are positively bent. For example, the elastic modulus along the extending direction (axial direction L-L) of the shaft portion 33 of the connecting portion 30 Becomes lower. For example, the two legs 13b are not fixed to the fixing portion 13a, and both sides in the extension direction (axial direction L-L) of the shaft portion 33 of the connecting portion 30 in plan view of FIG. 1 without the fixing portion 13a. In the case where each of the legs 13b is individually bonded to the outer mounting member 11 and connected to the outer mounting member 11, the leg 13b has the same thickness as that of the leg 13b according to the present embodiment. Spring characteristics become softer. Furthermore, the vibration damping device 1 can obtain a soft spring characteristic with a simple configuration in which only the two legs 13 b are provided on the first bush 10. As described above, according to the vibration damping device 1, it is possible to obtain soft spring characteristics with a simple configuration.

本実施形態では、２つの脚部１３ｂは、それぞれ、外向きの屈曲部分１３ｂ1 を有している。このように脚部１３ｂに屈曲部分１３ｂ1 を設ければ、外側取付部材１１の内側の限られた空間内でも、脚部１３ｂの長さを確保できる分、柔らかなばね特性を得ることができる。また、脚部１３ｂに屈曲部分１３ｂ1 を設けた場合、屈曲部分１３ｂ1 で変形させ易くなることで、連結部３０の軸部分３３の延在方向（軸方向Ｌ−Ｌ）のばね特性をより柔らかくすることができる。 In the present embodiment, each of the two legs 13 b has an outward bent portion 13 b 1 . By thus providing the bent portion 13b 1 to the leg portion 13b, even within the limited interior of the outer mounting member 11 space amount that can ensure the length of the leg portion 13b, it is possible to obtain a soft spring characteristic . Also, the case of providing the bent portion 13b 1 to the leg portion 13b, that is easily deformed at the bent portion 13b 1, more spring characteristics of the extending direction of the shaft portion 33 of the connecting portion 30 (the axial direction L-L) It can be softened.

本実施形態では、屈曲部分１３ｂ1 は、それぞれ、外側取付部材１１に固定された固定部１３ａから互いに外向きに延在する外側取付部材側部分１３ｂ2 と、内側取付部材１２に固定された固定部１３ｃから互いに外向きに延在する内側取付部材側部分１３ｂ3 とを繋いでいる。さらに、本実施形態では、外側取付部材側部分１３ｂ2 と、内側取付部材側部分１３ｂ3 とは、図１の平面視で直線的に延在している。 Fixed in the present embodiment, the bent portion 13b 1, respectively, the outer mounting member side portion 13b 2 extending from the fixed portion 13a fixed to the outer mounting member 11 outwardly to each other, which is fixed to the inner mounting member 12 connects the inner mounting member side portion 13b 3 extending outwardly from each other from section 13c. Further, in this embodiment, the outer mounting member side portion 13b 2, and the inner mounting member side portion 13b 3, are linearly extended in plan view in FIG.

なお、２つの脚部１３ｂは、積極的にしならせることが可能な構成であれば、その形状は限定されない。脚部１３ｂは、上記のように、図１の平面視で、屈曲形状とするのではなく、で屈曲部分１３ｂ1 を湾曲させた形状とし、または、脚部１３ｂ全体を湾曲させた形状とすることができる。 The shapes of the two legs 13b are not limited as long as they can be positively truncated. As described above, the leg 13b does not have a bent shape in plan view of FIG. 1, but has a shape in which the bent portion 13b 1 is curved or a shape in which the entire leg 13b is curved. be able to.

さらに、防振装置１では、取付部材２１と連結部３０の固定部３２との間には、ゴム弾性体等の弾性体が介在しないようにすることができる。この場合、外側取付部材と内側取付部材との間にゴム弾性体等の弾性体を介在させたブッシュと比較して、第２ブッシュ２０の弾性体を省略した分だけ、省スペース化およびコスト削減などを図ることができる。本実施形態では、第２ブッシュ２０を取付部材２１のみで構成することで、弾性体を完全に排除している。   Furthermore, in the vibration damping device 1, an elastic body such as a rubber elastic body can be prevented from being interposed between the mounting member 21 and the fixing portion 32 of the connecting portion 30. In this case, as compared with a bush in which an elastic body such as a rubber elastic body is interposed between the outer attachment member and the inner attachment member, space saving and cost reduction can be achieved as much as the elastic body of the second bush 20 is omitted. And so on. In the present embodiment, the elastic member is completely eliminated by configuring the second bush 20 with only the mounting member 21.

なお、本実施形態では、第１ブッシュ１０は、外側取付部材１１の内周面に、ストッパ部Ｓ1 が設けられている。ストッパ部Ｓ1 は、防振装置１への入力が引張の場合、内側取付部材１２（固定部１３ｃ）が接触することによって、第１ブッシュ１０の内側取付部材１２と第２ブッシュ２０の取付部材２１との間の拡大を制限する。また、本実施形態では、第１ブッシュ１０は、固定部１３ａの一部として、ストッパ部Ｓ2 が設けられている。ストッパ部Ｓ2 は、防振装置１への入力が圧縮の場合、内側取付部材１２（固定部１３ｃ）が接触することによって、第１ブッシュ１０の内側取付部材１２と第２ブッシュ２０の取付部材２１との間の接近を制限する。 In the present embodiment, the first bush 10, the inner peripheral surface of the outer mounting member 11 is provided with a stopper portion S 1. When the input to the vibration damping device 1 is tension, the stopper portion S 1 contacts the inner mounting member 12 of the first bush 10 and the mounting member of the second bush 20 by contact with the inner mounting member 12 (fixing portion 13 c). Limit the expansion between 21 and. Further, in the present embodiment, the first bushing 10, as part of the fixing portion 13a, is provided a stopper portion S 2. Stopper S 2, when the input to the vibration isolating apparatus 1 is compressed by the contact inner mounting member 12 (fixing portion 13c), the inner mounting member 12 of the first bushing 10 of the second bushing 20 mounted member Restrict access between 21 and

また、連結部３０は、高い強度を有して弾性の低い材料（例えば、ナイロン、ＦＲＰ（繊維強化プラスチック）、鉄等の材料）で構成することで、ばね機能を持たせることができる。さらに、連結部３０は、固定部分３１および３２の少なくとも一方を省略することにより、第１ブッシュ１０および第２ブッシュ２０の少なくとも一方に対して軸部分３３を直結することもできる。   In addition, the connecting portion 30 can have a spring function by being made of a material having high strength and low elasticity (for example, a material such as nylon, FRP (fiber reinforced plastic), iron, etc.). Furthermore, the connecting portion 30 can also directly connect the shaft portion 33 to at least one of the first bush 10 and the second bush 20 by omitting at least one of the fixed portions 31 and 32.

図２は、本発明の第２の実施形態に係る防振装置２を示す。図１中、図１と実質的に同一の部分は同一の符号をもって、その説明を省略する。防振装置２では、第１ブッシュ１０´の脚部１３ｂの屈曲部分１３ｂ1 は、それぞれ、外側取付部材１１の内周面に対して非接着に接触している。本実施形態では、脚部１３ｂの屈曲部分１３ｂ1 に、外側取付部材１１の内周面に対して非接着に接触して、脚部１３ｂを外側取付部材１１に対して動かすことができる接触面１３ｄが設けられている。これにより、防振装置２も、防振装置１と同様、２つの脚部１３ｂをしならせることで、ばね機能および柔らかなばね特性を得ることができる。 FIG. 2 shows a vibration damping device 2 according to a second embodiment of the present invention. In FIG. 1, substantially the same parts as those in FIG. In the vibration damping device 2, the bent portions 13 b 1 of the legs 13 b of the first bush 10 ′ are in non-adhesive contact with the inner peripheral surface of the outer mounting member 11. In the present embodiment, a contact surface capable of moving the leg 13b relative to the outer mounting member 11 in non-adhesive contact with the inner peripheral surface of the outer mounting member 11 in the bent portion 13b 1 of the leg 13b. 13 d is provided. Thereby, the vibration isolation device 2 can also obtain a spring function and a soft spring characteristic by bending the two leg portions 13 b in the same manner as the vibration isolation device 1.

また、防振装置２では、２つの脚部１３ｂが接触面１３ｄを介して外側取付部材１１に対して非接着に接触しているため、特に、防振装置１の入力が圧縮の場合に生じる、たわみを抑制して、図１の防振装置１に比べて、ばね特性を硬くすることができる。また、本実施形態のように、脚部１３ｂを外側取付部材１１に対して非接着に接触させた構成の場合、大きな入力で脚部１３が外側取付部材１１に接触することによる衝撃を防止することができる。   Further, in the vibration damping device 2, since the two legs 13b are in non-adhesive contact with the outer mounting member 11 via the contact surface 13d, this occurs particularly when the input of the vibration damping device 1 is in compression. As compared with the vibration control device 1 of FIG. 1, the spring characteristics can be made harder by suppressing the deflection. Further, in the case where the leg portion 13 b is in non-adhesive contact with the outer attachment member 11 as in the present embodiment, the shock due to the leg portion 13 coming into contact with the outer attachment member 11 with a large input is prevented. be able to.

上述したところは、本発明の一実施形態にすぎず、特許請求の範囲に従えば、様々な変更が可能となる。例えば、第２ブッシュ２０は、外側取付部材および内側取付部材の間に弾性体を有するブッシュとして構成することができる。同様に、第２ブッシュ２０として、第１ブッシュ１０および１０´を採用することができる。また、ストッパ部Ｓ1 およびＳ2 は、少なくともいずれか一方を省略することができる。 The above description is only one embodiment of the present invention, and various modifications are possible according to the claims. For example, the second bush 20 can be configured as a bush having an elastic body between the outer attachment member and the inner attachment member. Similarly, as the second bush 20, the first bushes 10 and 10 'can be adopted. The stopper portions S 1 and S 2 can be omitted at least one.

本発明は、連結部を介して連結した２つのブッシュのうち、少なくとも一方のブッシュが外側取付部材および内側取付部材の間に弾性体を有する防振装置に適用することができる。   The present invention can be applied to an anti-vibration apparatus in which at least one of the two bushes connected via the connecting part has an elastic body between the outer mounting member and the inner mounting member.

１：防振装置（第１の実施形態）， ２：防振装置（第２の実施形態）， １０：第１ブッシュ（第１の実施形態）， １０´：第１ブッシュ（第２の実施形態）， １１：外側取付部材， １２：内側取付部材， １３：弾性体， １３ａ：固定部， １３ｂ：脚部， １３ｂ1 ：屈曲部分， １３ｂ2 ：外側取付部材側部分， １３ｂ3 ：内側取付部材側部分， １３ｃ：固定部， １３ｄ：接触面， ２０：第２ブッシュ， ２１：取付部材， ３０：連結部， ３１：固定部分， ３２：固定部分， ３３：軸部分， Ｃ1 ：空隙， Ｃ2 ：空隙， Ｏ1 ：内側取付部材の中心軸， Ｏ2 ：取付部材の中心軸 1: Vibration isolation device (first embodiment) 2: Vibration isolation device (second embodiment) 10: First bush (first embodiment) 10 ': First bush (second embodiment) Form), 11: Outer mounting member, 12: inner mounting member, 13: elastic body, 13a: fixing portion, 13b: leg, 13b 1 : bent portion, 13b 2 : outer mounting member side portion, 13b 3 : inner mounting member side portion, 13c: fixed part, 13d: contact surface 20: second bushing, 21: mounting member, 30: connecting portion, 31: fixing portion, 32: fixing portion, 33: shaft portion, C 1: void C 2 : air gap, O 1 : central axis of inner mounting member, O 2 : central axis of mounting member

Claims (2)

外側取付部材と、振動発生部および振動受部のうちのいずれか一方に連結される内側取付部材と、前記外側取付部材と前記内側取付部材とを連結する弾性体とを有する第１ブッシュと、
前記振動発生部および前記振動受部のうちのいずれか他方に連結される取付部材を有する第２ブッシュと、
前記第１ブッシュと前記第２ブッシュとを連結する連結部と、を備え、
前記弾性体は、前記外側取付部材に接着された固定部と、前記固定部と前記内側取付部材とを連結する一対の脚部とを有し、
前記脚部は、外向きの屈曲部分を有し、当該屈曲部分は、前記固定部から外向きに延在する外側取付部材側部分と、前記内側取付部材から外向きに延在する内側取付部材側部分とに繋がっており、
更に、当該屈曲部分は、前記外側取付部材に対して非接着に離間又は接触していることを特徴とする、防振装置。 A first bush having an outer mounting member, an inner mounting member connected to any one of the vibration generating portion and the vibration receiving portion, and an elastic body connecting the outer mounting member and the inner mounting member;
A second bush having a mounting member connected to any one of the vibration generating unit and the vibration receiving unit;
A connecting portion connecting the first bush and the second bush;
The elastic body, possess a fixed portion which is adhered to the outer mounting member, and a pair of leg portion connecting the inner mounting member and the fixing portion,
The leg portion has an outward bent portion, and the bent portion includes an outer attachment member side portion extending outward from the fixing portion, and an inner attachment member extending outward from the inner attachment member. It is connected to the side part,
Furthermore, the said bending part is non-adhesively spaced apart or in contact with the said outer side attachment member , The anti-vibration apparatus characterized by the above-mentioned. 請求項１において、前記取付部材と前記連結部との間には、弾性体が介在しない、防振装置。
The anti-vibration device according to claim 1, wherein an elastic body does not intervene between the mounting member and the connecting portion.
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