JP3502975B2 - Elastic bush - Google Patents

Elastic bush

Info

Publication number
JP3502975B2
JP3502975B2 JP04573697A JP4573697A JP3502975B2 JP 3502975 B2 JP3502975 B2 JP 3502975B2 JP 04573697 A JP04573697 A JP 04573697A JP 4573697 A JP4573697 A JP 4573697A JP 3502975 B2 JP3502975 B2 JP 3502975B2
Authority
JP
Japan
Prior art keywords
bush
inner cylinder
press
bushes
flange
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.)
Expired - Fee Related
Application number
JP04573697A
Other languages
Japanese (ja)
Other versions
JPH10238577A (en
Inventor
智史 村田
恒男 林
宏 大野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Toyo Tire Corp
Original Assignee
Toyo Tire and Rubber Co Ltd
Toyota Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyo Tire and Rubber Co Ltd, Toyota Motor Corp filed Critical Toyo Tire and Rubber Co Ltd
Priority to JP04573697A priority Critical patent/JP3502975B2/en
Publication of JPH10238577A publication Critical patent/JPH10238577A/en
Application granted granted Critical
Publication of JP3502975B2 publication Critical patent/JP3502975B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Vehicle Body Suspensions (AREA)
  • Vibration Prevention Devices (AREA)
  • Springs (AREA)

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、主に自動車のサス
ペンション機構に組込まれて使用される弾性ブッシュに
関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elastic bush mainly used by being incorporated in a suspension mechanism of an automobile.

【0002】[0002]

【従来の技術と発明が解決しようとする課題】従来よ
り、自動車等の車両のサスペンションにおいては、車体
とサスペンションの連結部位、例えば車輪を支持するサ
スペンションのアーム部材と車体側メンバとの連結部位
には、緩衝を目的としての弾性ブッシュが使用されてい
る。
2. Description of the Related Art Conventionally, in a suspension of a vehicle such as an automobile, a connecting portion between a vehicle body and a suspension, for example, a connecting portion between an arm member of a suspension supporting a wheel and a vehicle body side member is provided. Uses an elastic bush for the purpose of cushioning.

【0003】前記の弾性ブッシュとしては、図5に示す
ように、同心的に配置した金属製の内筒(50)と外筒
(60)とが、両筒間に加硫接着手段により配されたゴ
ム弾性体(70)を介して結合されてなるものが一般的
である。該ブッシュの軸方向のばね特性を上げる目的
で、内外両筒(50)(60)の一端にそれぞれフラン
ジ(51)(61)を設けるとともに、この両フランジ
(51)(61)間にゴム弾性体(70)のフランジ部
分(71)を延設した形態のものがある。
As the elastic bush, as shown in FIG. 5, a metal inner cylinder (50) and an outer cylinder (60), which are concentrically arranged, are arranged between both cylinders by vulcanization bonding means. In general, they are joined via a rubber elastic body (70). In order to improve the spring characteristic of the bush in the axial direction, flanges (51) and (61) are provided at one ends of the inner and outer cylinders (50) and (60), respectively, and rubber elasticity is provided between the flanges (51) and (61). There is a form in which the flange portion (71) of the body (70) is extended.

【0004】特に、軸両方向のばね特性を上げるため
に、図6のように、前記形態の二つのブッシュ(80)
(80)を、フランジを有さない側を相対向させてアー
ム部材(6)の取付け用孔(7)に圧入して結合構成す
ることが考えられている。
In particular, in order to improve the spring characteristics in both axial directions, as shown in FIG. 6, the two bushes (80) of the above-mentioned form are used.
It is considered that (80) is press-fitted into the mounting hole (7) of the arm member (6) so that the sides having no flanges face each other to be joined together.

【0005】ところで、前記の弾性ブッシュにおいて、
荷重負荷時のゴム弾性体の引張歪を低減し耐久性を向上
する目的で、ゴム弾性体に予備的な圧縮を与えておくこ
とが行なわれている。その手段として、例えば、絞り加
工により外筒を縮径して、内筒と外筒の間のゴム弾性体
に予備圧縮を与えることが考えられる。
By the way, in the above elastic bush,
For the purpose of reducing tensile strain of the rubber elastic body under load and improving durability, preliminary compression is applied to the rubber elastic body. As a means for this, it is conceivable, for example, to reduce the diameter of the outer cylinder by drawing and pre-compress the rubber elastic body between the inner cylinder and the outer cylinder.

【0006】しかしこの場合、軸直角方向の荷重負荷に
対しては予備圧縮の効果があるものの、軸方向の荷重負
荷に対しては予備圧縮の効果が得られない。すなわち、
前記のフランジを有するタイプの弾性ブッシュにおいて
は、ゴム弾性体のフランジ部分に対しても、予備圧縮を
付与することが望まれるが、前記の絞り加工による縮径
の手段のみでは、フランジ部分に予備圧縮を与えること
ができない。
In this case, however, although the effect of precompression is exerted on the load applied in the direction perpendicular to the axis, the effect of precompression is not exerted on the load applied in the axial direction. That is,
In the elastic bushing of the type having the above-mentioned flange, it is desirable to apply pre-compression also to the flange portion of the rubber elastic body. No compression can be given.

【0007】また図6のように、二つのブッシュタイプ
のものにおいて、両ブッシュの外筒をアーム部材の取付
け用孔に対し両側から圧入して、内筒を突き合せ状態に
結合しただけでは、予備圧縮を与えることはできない。
Further, as shown in FIG. 6, in the case of two bush types, by simply press-fitting the outer cylinders of both bushes into the mounting holes of the arm member from both sides and connecting the inner cylinders in a butted state, No precompression can be applied.

【0008】そのため、前記二つのブッシュタイプの場
合、ゴム弾性体のフランジ部分に予備圧縮を与えるに
は、間隔を規制する部材によって、二つのブッシュを両
側から挟み付ける等の複雑な構造を採用する必要があ
り、しかもフランジ部の予備圧縮の程度を調整するのが
困難なものである。
Therefore, in the case of the two bush types, in order to apply pre-compression to the flange portion of the rubber elastic body, a complicated structure such as sandwiching the two bushes from both sides by a member that regulates the interval is adopted. It is necessary, and it is difficult to adjust the degree of pre-compression of the flange portion.

【0009】本発明は、上記に鑑みてなしたものであ
り、特に一端部にフランジを有する二つのブッシュを相
対向させてアーム部材に取付けた弾性ブッシュにおい
て、両ブッシュの結合形態を利用して、ゴム弾性体のフ
ランジ部分にも予備圧縮を容易に付与でき、特にその予
備圧縮の調整も容易に行なえるようにしたものである。
The present invention has been made in view of the above, and in particular, in an elastic bush in which two bushes having a flange at one end are opposed to each other and are attached to an arm member, the coupling form of both bushes is utilized. The pre-compression can be easily applied to the flange portion of the rubber elastic body, and the pre-compression can be easily adjusted.

【0010】[0010]

【課題を解決するための手段】本発明は上記の課題を解
決するものであり、請求項1の発明は、内筒と外筒の間
にゴム弾性体が介設されるとともに、軸方向の一端部に
フランジが設けられてなるブッシュの二つを、フランジ
を有さない側を相対向させて配設してなる弾性ブッシュ
であって、一方のブッシュの内筒に他方のブッシュの内
が全長にわたり圧入されてなることを特徴とする。
SUMMARY OF THE INVENTION The present invention is to solve the above-mentioned problems. According to the invention of claim 1, a rubber elastic body is provided between the inner cylinder and the outer cylinder and the axial direction An elastic bush in which two bushes each having a flange at one end are arranged so that the sides not having the flange face each other, and the inner cylinder of one bush is the inner cylinder of the other bush. Is press-fitted over the entire length .

【0011】前記の弾性ブッシュにおいて、一方のブッ
シュにおけるフランジを有さない側の内筒端部を延長
し、他方のブッシュの内筒を、前記内筒の延長部の外周
に圧入して結合してなる構成とすることができる。
In the elastic bush, one end of the inner cylinder on the side not having the flange is extended, and the inner cylinder of the other bush is press-fitted onto the outer periphery of the extension of the inner cylinder to be joined. It can be configured as follows.

【0012】[0012]

【作用】本発明の弾性ブッシュよれば、二つのブッシュ
を、フランジを有さない側を相対向させて、アーム部材
の取付け用孔に対し外筒を圧入する等の手段により取付
ける際、同時に、一方のブッシュの内筒他方のブッシ
ュの内筒圧入する。
According to the elastic bush of the present invention, when the two bushes are opposed to each other on the sides having no flanges, and the outer cylinder is press-fitted into the mounting hole of the arm member at the same time, The inner cylinder of the other bush is pressed into the inner cylinder of the one bush.

【0013】この時、まず外筒のフランジがアーム部材
に当接して進入が止まった後、両ブッシュの内筒同士を
さらに若干圧入することにより、内筒のフランジと外筒
のフランジとの間隔が狭くなり、該間隔内のゴム弾性体
のフランジ部分が圧縮されるもので、これにより該フラ
ンジ部分に予備圧縮が与えられる。特にこの予備圧縮の
程度は、前記外筒がアーム部材に当接した位置からの内
筒の圧入量により容易に調整でき、ばね特性に応じた適
切な予備圧縮を与えることができる。
At this time, first, after the flange of the outer cylinder comes into contact with the arm member and the entry is stopped, the inner cylinders of both bushes are slightly press-fitted to each other, whereby the gap between the flange of the inner cylinder and the flange of the outer cylinder. Is narrowed, and the flange portion of the rubber elastic body within the gap is compressed, whereby precompression is applied to the flange portion. In particular, the degree of this preliminary compression can be easily adjusted by the amount of press-fitting of the inner cylinder from the position where the outer cylinder abuts the arm member, and appropriate preliminary compression can be given according to the spring characteristics.

【0014】請求項2の発明のように、一方のブッシュ
の内筒端部を延長しておいて、該延長部の外周に他方の
ブッシュの内筒を圧入するようにした場合、アーム部材
の取付け用孔への取付けの際、前記一方のブッシュの内
筒延長部が取付け用孔の他方側に露出することになるた
めに、内筒圧入のための位置合せが容易になり、圧入作
業が行ない易くなる。また内周面が一つの内筒により形
成されるため、内周面には内筒同士の境界部や段差が生
じず、ブッシュ軸に対し不都合なく嵌合して使用でき
る。また前記他方のブッシュの内筒が全長にわたり圧入
されていると、同軸度が出し易いものとなる。
When the inner cylinder end of one bush is extended and the inner cylinder of the other bush is press-fitted to the outer periphery of the extension as in the second aspect of the invention, the arm member of the arm member is At the time of mounting in the mounting hole, the inner cylinder extension of the one bush is exposed to the other side of the mounting hole, which facilitates the alignment for press-fitting the inner cylinder and facilitates the press-fitting work. It will be easier to do. Further, since the inner peripheral surface is formed by one inner cylinder, the inner peripheral surface does not have a boundary portion or a step between the inner cylinders, and the bush shaft can be fitted and used without any inconvenience. Further, if the inner cylinder of the other bush is press-fitted over the entire length, the coaxiality can be easily obtained.

【0015】[0015]

【発明の実施の形態】次の本発明の実施の形態を図面に
基いて説明する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The following embodiments of the present invention will be described with reference to the drawings.

【0016】図1は、本発明の1実施例の弾性ブッシュ
(A)を示す断面図であり、図2は同X−X線の断面
図、図3はアーム部材への取付けのための圧入開始時の
断面図である。
FIG. 1 is a sectional view showing an elastic bush (A) according to one embodiment of the present invention, FIG. 2 is a sectional view taken along line XX of FIG. 2, and FIG. 3 is a press-fit for attachment to an arm member. It is sectional drawing at the time of starting.

【0017】この弾性ブッシュ(A)は、サスペンショ
ンのトレーリングアーム等のアーム部材(6)の端部に
有する取付け用孔(7)に対し、両側からや圧入等の手
段により取付けられて結合構成された二つのブッシュ
(1a)(1b)よりなる。
This elastic bush (A) is attached from both sides or by means of press-fitting or the like to a mounting hole (7) provided at an end of an arm member (6) such as a trailing arm of a suspension, and is thus connected. It is composed of two bushes (1a) and (1b) that are formed.

【0018】前記両ブッシュ(1a)(1b)は、それ
ぞれ同心的に配置された金属製の円筒状の内筒(2a)
(2b)と外筒(3a)(3b)とが、これら両筒間に
加硫接着手段により配された筒状のゴム弾性体(4a)
(4b)を介して一体的に結合されてなるもので、その
軸方向の一端部にはそれぞれフランジ(11)が設けら
れている。すなわち、両ブッシュ(1a)(1b)の前
記内筒(2a)(2b)と外筒(3a)(3b)の端部
に、それぞれ軸方向位置を異にして所要の間隔を存して
フランジ(21)(31)が設けられるとともに、両筒
間のゴム弾性体(4a)(4b)にもそれぞれ前記両フ
ランジ(21)(31)に挟まれた形でフランジ部分
(41)が一体に延設されており、これらが前記のフラ
ンジ(11)を構成する。
The two bushes (1a), (1b) are concentrically arranged, and each is made of a metal cylindrical inner cylinder (2a).
(2b) and outer cylinders (3a) and (3b) are arranged between these cylinders by a vulcanizing adhesive means. A cylindrical rubber elastic body (4a).
They are integrally connected via (4b), and a flange (11) is provided at one end portion in the axial direction thereof. That is, the flanges are provided at the ends of the inner cylinders (2a) (2b) and the outer cylinders (3a) (3b) of the bushes (1a) (1b) at different axial positions with a required gap. (21) and (31) are provided, and the flange portions (41) are integrally formed on the rubber elastic bodies (4a) and (4b) between the two cylinders so as to be sandwiched between the flanges (21) and (31). It is extended and constitutes these flanges (11).

【0019】前記の二つのブッシュ(1a)(1b)
を、前記フランジ(11)を有さない側を相対向させる
ようにして、アーム部材(6)の取付け用孔(7)に対
し両側から圧入あるいは嵌入して取付けるので、各ブッ
シュ(1a)(1b)の外筒(2a)(2b)の長さ
は、アーム部材(6)の幅(W)の1/2より僅かに短
くして、外筒(3a)(3b)のフランジ(31)がア
ーム部材(6)の端面に当接する位置まで圧入もしくは
嵌入できるように形成されている。
The above two bushes (1a) (1b)
Are press-fitted or fitted from both sides into the mounting holes (7) of the arm member (6) so that the sides not having the flanges (11) face each other, so that the bushes (1a) ( The length of the outer cylinder (2a) (2b) of 1b) is made slightly shorter than 1/2 of the width (W) of the arm member (6), and the flange (31) of the outer cylinder (3a) (3b). Is formed so that it can be press-fitted or fitted to a position where it comes into contact with the end surface of the arm member (6).

【0020】そして、前記両ブッシュ(1a)(1b)
は、前記のアーム部材(6)への取付けと同時に、内筒
(2a)(2b)同士を圧入して結合構成している。
Then, both the bushes (1a) (1b)
At the same time as the attachment to the arm member (6), the inner cylinders (2a) and (2b) are press-fitted into each other to be connected.

【0021】この圧入形態として、図1〜図3の実施例
の場合、特に一方のブッシュ(1a)の内筒(2a)の
フランジ(21)とは反対側の端部を延長し、他方のブ
ッシュ(1b)の内筒(2b)を、前記内筒(2a)の
延長部(12a)の外周に圧入して結合している。そのた
め、前記他方のブッシュの内筒(2b)は、前記一方の
ブッシュの内筒(2a)に対し圧入できる程度にやや径
大に形成されており、この圧入により任意の位置で固定
できるようになっている。
As the press-fitting mode, in the case of the embodiment shown in FIGS. 1 to 3, in particular, one end of the bush (1a) on the side opposite to the flange (21) of the inner cylinder (2a) is extended and the other one is extended. The inner cylinder (2b) of the bush (1b) is press-fitted and joined to the outer periphery of the extension (12a) of the inner cylinder (2a). Therefore, the inner cylinder (2b) of the other bush is formed to have a diameter slightly larger than that of the inner cylinder (2a) of the one bush so that the inner cylinder (2b) can be fixed at any position by the press fitting. Has become.

【0022】なお、前記内筒(2a)の延長部(12a)
は、図1のように両ブッシュ(1a)(1b)を結合構
成した状態において、ブッシュ(1b)の内筒(2b)
の略全長が圧入される長さとなるように設定しておくの
が好適である。すなわち、ブッシュ(1b)の内筒(2
b)が全長にわたって圧入されることにより、両ブッシ
ュ(1a)(1b)の同軸度が出し易く、またブッシュ
内面に段差や突き合せ部が生じず、全体の一体性も良好
になる。
The extension (12a) of the inner cylinder (2a)
Is an inner cylinder (2b) of the bush (1b) in a state where both the bushes (1a) and (1b) are connected and configured as shown in FIG.
It is preferable that the length is set so that the substantially entire length thereof is a press-fitted length. That is, the inner cylinder (2) of the bush (1b)
By press-fitting b) over the entire length, the coaxiality of both bushes (1a) (1b) is easily obtained, and no step or abutting portion is formed on the inner surface of the bushes, and the overall integrity is improved.

【0023】前記の圧入形態による場合、一方のブッシ
ュ(1a)の内筒(2a)と外筒(3a)との間隔より
も、他方の内筒(2b)と外筒(3b)の間隔が小さく
なり、両ブッシュ(1a)(1b)のゴム弾性体(4
a)(4b)の厚みに差が生じる。そのため、例えば図
4のように、一方のブッシュ(1a)の内筒(2a)の
ゴム弾性体(4a)が存在する部分の肉厚を大きくし
て、該部分の外径を他方の内筒(2b)の外径に合せる
等して、両ブッシュのゴム弾性体(4a)(4b)によ
るばね特性を一致させるようにする場合もある。
In the case of the above-mentioned press-fitting mode, the distance between the inner cylinder (2a) and the outer cylinder (3a) of one bush (1a) is smaller than the distance between the other inner cylinder (2b) and the outer cylinder (3b). It becomes smaller, and the rubber elastic body (4) of both bushes (1a) (1b)
a) A difference occurs in the thickness of (4b). Therefore, for example, as shown in FIG. 4, the thickness of the portion of the inner cylinder (2a) of one bush (1a) where the rubber elastic body (4a) is present is increased, and the outer diameter of the portion is increased to the other inner cylinder. In some cases, the spring characteristics of the rubber elastic bodies (4a) and (4b) of both bushes may be made to match by adjusting the outer diameter of (2b).

【0024】上記した弾性ブッシュ(A)によると、ア
ーム部材(6)への取付けの際、一方のブッシュ(1
a)の内筒(2a)の延長部(12a)をアーム部材
(6)の取付け用孔(7)に挿入するとともに、外筒
(3a)を前記取付け用孔(7)に圧入し、また他方の
ブッシュ(1b)の外筒(3b)を前記取付け用孔
(7)の反対側から圧入するとともに、内筒(2b)を
前記内筒(2a)の延長部(12a)に対し圧入するもの
で、特に、両外筒(3a)(3b)が、アーム部材
(6)に当接してそれ以上進入しなくなった後、両内筒
(2a)(2b)同士をさらに僅かに圧入する。
According to the elastic bush (A) described above, when the elastic bush (A) is attached to the arm member (6), one bush (1
Insert the extension (12a) of the inner cylinder (2a) of a) into the mounting hole (7) of the arm member (6), press the outer cylinder (3a) into the mounting hole (7), and The outer cylinder (3b) of the other bush (1b) is press-fitted from the opposite side of the mounting hole (7), and the inner cylinder (2b) is press-fitted into the extension (12a) of the inner cylinder (2a). In particular, after the outer cylinders (3a) and (3b) come into contact with the arm member (6) and do not enter any more, the inner cylinders (2a) and (2b) are pressed into each other slightly.

【0025】これにより、フランジ(11)における内
外筒のフランジ(21)(31)間におけるゴム弾性体
によるフランジ部分(41)が圧縮されることとなっ
て、該フランジ部分(41)に予備圧縮が与えられるこ
ととなる。しかも前記の圧入量により予備圧縮の調整も
容易に行なえる。
As a result, the flange portion (41) formed by the rubber elastic body between the flanges (21) and (31) of the inner and outer cylinders of the flange (11) is compressed, and the flange portion (41) is pre-compressed. Will be given. Moreover, adjustment of pre-compression can be easily performed by the press-fitting amount.

【0026】なお、前記両ブッシュ(1a)(1b)の
内筒(2a)(2b)同士の圧入形態としては、図示す
る実施例のものに限らず、外筒をアーム部材に圧入した
状態において、さらに内筒同士を圧入でき、しかもその
内周にブッシュ軸を挿入して支持するのに不都合になら
ない種々の形態による実施が可能である。
The form of press-fitting between the inner cylinders (2a) and (2b) of the bushes (1a) and (1b) is not limited to the embodiment shown in the drawings, and the outer cylinder is press-fitted into the arm member. Further, it is possible to carry out various embodiments in which the inner cylinders can be press-fitted with each other and the bush shaft is not inserted into and supported by the inner periphery of the inner cylinder.

【0027】[0027]

【発明の効果】上記したように本発明の弾性ブッシュ
は、一端部にフランジ部を有するブッシュ二つを相対向
させてアーム部材に取付ける際に、両ブッシュの内筒同
士を圧入して結合構成したことにより、フランジ部のゴ
ム弾性体にも予備圧縮を容易に付与できる。特にその予
備圧縮の程度を圧入量により容易に調整できるので、軸
方向の荷重負荷による引張歪やばね特性に応じた適切な
予備圧縮を与えることができ、耐久性向上に寄与でき
る。
As described above, in the elastic bush of the present invention, when the two bushes each having the flange portion at one end are opposed to each other and attached to the arm member, the inner cylinders of the both bushes are press-fitted into each other to be connected. By doing so, the pre-compression can be easily applied to the rubber elastic body of the flange portion. In particular, since the degree of pre-compression can be easily adjusted by the press-fitting amount, it is possible to provide appropriate pre-compression according to the tensile strain due to the axial load load and the spring characteristics, which contributes to the improvement of durability.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の1実施例の弾性ブッシュを示す縦断面
図である。
FIG. 1 is a vertical cross-sectional view showing an elastic bush according to one embodiment of the present invention.

【図2】同上の弾性ブッシュの横断面図である。FIG. 2 is a transverse cross-sectional view of the above elastic bush.

【図3】同上のブッシュのアーム部材への取付けのため
の圧入開始時の断面図である。
FIG. 3 is a cross-sectional view at the start of press fitting for attaching the above bush to the arm member.

【図4】本発明のだの実施例の示す断面図である。FIG. 4 is a sectional view showing an embodiment of the present invention.

【図5】従来の弾性ブッシュの1例を示す縦断面図であ
る。
FIG. 5 is a longitudinal sectional view showing an example of a conventional elastic bush.

【図6】二つのブッシュを結合した従来の弾性ブッシュ
を例示する縦断面図である。
FIG. 6 is a vertical cross-sectional view illustrating a conventional elastic bush in which two bushes are combined.

【符号の説明】[Explanation of symbols]

(A) 弾性ブッシュ (1a)(1b) 二つのブッシュ (2a)(2b) 内筒 (3a)(3b) 外筒 (4a)(4b) ゴム弾性体 (12a) 内筒の延長部 (11) フランジ (21) 内筒のフランジ (31) 外筒のフランジ (41) ゴム弾性体のフランジ部分 (6) アーム部材 (7) 取付け用孔 (A) Elastic bush (1a) (1b) Two bushes (2a) (2b) Inner cylinder (3a) (3b) Outer cylinder (4a) (4b) Rubber elastic body (12a) Extension of inner cylinder (11) Flange (21) Inner cylinder flange (31) Flange of outer cylinder (41) Flange part of rubber elastic body (6) Arm member (7) Mounting hole

フロントページの続き (72)発明者 大野 宏 大阪府大阪市西区江戸堀1丁目17番18号 東洋ゴム工業株式会社内 (56)参考文献 特開 平7−83259(JP,A) 特開 平6−179315(JP,A) 実開 昭62−177936(JP,U) (58)調査した分野(Int.Cl.7,DB名) F16F 1/38 F16F 15/08 Front Page Continuation (72) Inventor Hiroshi Ohno 1-17-18 Edobori, Nishi-ku, Osaka City, Osaka Prefecture Toyo Tire & Rubber Co., Ltd. (56) Reference JP-A-7-83259 (JP, A) JP-A-6- 179315 (JP, A) Actual development Sho 62-177936 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) F16F 1/38 F16F 15/08

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】内筒と外筒の間にゴム弾性体が介設される
とともに、軸方向の一端部にフランジが設けられてなる
ブッシュ二つを、フランジを有さない側を相対向させて
配設してなる弾性ブッシュであって、 一方のブッシュの内筒他方のブッシュの内筒が全長に
わたり圧入されてなることを特徴とする弾性ブッシュ。
1. A rubber elastic body is interposed between an inner cylinder and an outer cylinder, and two bushes each having a flange at one axial end thereof are opposed to each other on the sides having no flange. Elastic bushes that are installed in such a way that the inner cylinder of one bush is the entire length of the inner cylinder of the other bush.
An elastic bush characterized by being press-fitted over .
【請求項2】一方のブッシュにおけるフランジを有さな
い側の内筒端部を延長し、他方のブッシュの内筒を、前
記内筒の延長部の外周に圧入して結合してなる請求項1
に記載の弾性ブッシュ。
2. An inner cylinder end portion of one bush on a side not having a flange is extended, and an inner cylinder of the other bush is press-fitted and joined to an outer periphery of an extension portion of the inner cylinder. 1
The elastic bush described in.
JP04573697A 1997-02-28 1997-02-28 Elastic bush Expired - Fee Related JP3502975B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP04573697A JP3502975B2 (en) 1997-02-28 1997-02-28 Elastic bush

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04573697A JP3502975B2 (en) 1997-02-28 1997-02-28 Elastic bush

Publications (2)

Publication Number Publication Date
JPH10238577A JPH10238577A (en) 1998-09-08
JP3502975B2 true JP3502975B2 (en) 2004-03-02

Family

ID=12727615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04573697A Expired - Fee Related JP3502975B2 (en) 1997-02-28 1997-02-28 Elastic bush

Country Status (1)

Country Link
JP (1) JP3502975B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2002075177A1 (en) * 2001-03-15 2004-07-08 東洋ゴム工業株式会社 Connecting rod
JP5137751B2 (en) * 2008-08-29 2013-02-06 倉敷化工株式会社 Vibration isolator
JP5753225B2 (en) * 2013-06-17 2015-07-22 住友理工株式会社 Vibration isolator

Also Published As

Publication number Publication date
JPH10238577A (en) 1998-09-08

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