JP2007177892A - Bush - Google Patents

Bush Download PDF

Info

Publication number
JP2007177892A
JP2007177892A JP2005377014A JP2005377014A JP2007177892A JP 2007177892 A JP2007177892 A JP 2007177892A JP 2005377014 A JP2005377014 A JP 2005377014A JP 2005377014 A JP2005377014 A JP 2005377014A JP 2007177892 A JP2007177892 A JP 2007177892A
Authority
JP
Japan
Prior art keywords
elastic body
bush
plate
cylindrical elastic
cylindrical
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.)
Granted
Application number
JP2005377014A
Other languages
Japanese (ja)
Other versions
JP4486926B2 (en
Inventor
Takeshi Funeno
剛 船野
Takuya Yanagida
拓哉 柳田
Kohei Watanabe
康平 渡辺
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.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP2005377014A priority Critical patent/JP4486926B2/en
Publication of JP2007177892A publication Critical patent/JP2007177892A/en
Application granted granted Critical
Publication of JP4486926B2 publication Critical patent/JP4486926B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Vibration Prevention Devices (AREA)
  • Springs (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bush enabling easy change of the spring characteristics without accompanying the large change of the damping characteristics. <P>SOLUTION: This bush 11 comprises: a bush body 15 in which a cylindrical elastic body 14 is interposed between an inner tube 12 and an outer tube 13; and a plate-like elastic body 16 fitted into the recess 14a of the cylindrical elastic body 14. The recess 14a of generally arcuate shape in cross section is formed in outer surface of the cylindrical elastic body 14. A metal plate 17 of arcuate shape in cross section is molded onto the cylindrical elastic body 14 between the recess 14a and the outer tube 13. The plate-like elastic body 16 made of the rubber with a lower damping property than the cylindrical elastic body 14 comprises: a plate-like part 16a having a generally arcuate cross section; a first locking part 16b formed at one end of the plate-like part 16a; and a second locking part 16c formed at the other end of the plate-like part 16a. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、車両用サスペンションの連結部位等に介装されるブッシュに係り、詳しくはばね常数の設定変更の容易化等を図る技術に関する。   The present invention relates to a bush interposed in a connection portion of a vehicle suspension, and more particularly to a technique for facilitating change of setting of a spring constant.

自動車用サスペンションは、フレームやサスペンションメンバ等の車体側構造部材（以下、フレームに代表させる）に連結される各種のアームやロッド（以下、アームに代表させる）を備えている。通常、フレームとアームとの連結部には、路面からの振動等の車体側構造部材への伝達を抑制すべく、金属製の内筒と外筒との間に筒状弾性体（一般には、ゴム）を加硫接着等によって固着・一体化させてなるブッシュが取り付けられている。ブッシュは操縦安定性の観点からは高いばね常数を有することが望ましいが、音振性能（ＮＶＨ性能）の観点からは、コンプライアンスを高めるべく、ばね常数を低くすることが求められる。そこで、すぐり（空洞）を設けることによって筒状弾性体の径方向断面を適宜変化させ、入力方向（例えば、上下方向と前後方向）に応じてばね常数を異ならせたブッシュが広く用いられている（特許文献１，２参照）。また、高い減衰性を有する板状弾性体（低発泡性ウレタン部材やゴム部材）をすぐりに嵌挿し、所定の方向のばね定数を高めたブッシュも提案されている（特許文献３，４参照）。
特開平１０−９３１６号公報 特開２００５−２４９０２２号公報 特開２００１−１９３７７６号公報 特開２００２−５２９１３号公報 The automobile suspension includes various arms and rods (hereinafter, represented by arms) that are connected to a vehicle body side structural member (hereinafter, represented by a frame) such as a frame and a suspension member. Usually, a connecting portion between the frame and the arm is provided with a cylindrical elastic body (generally, between the metal inner cylinder and the outer cylinder in order to suppress transmission from the road surface to the vehicle body side structural member such as vibration. A bush is formed by adhering and integrating rubber) by vulcanization adhesion or the like. The bush preferably has a high spring constant from the viewpoint of steering stability, but from the viewpoint of sound vibration performance (NVH performance), the bush constant is required to be lowered in order to increase compliance. Therefore, bushes are widely used in which the radial cross section of the cylindrical elastic body is appropriately changed by providing a hollow (cavity), and the spring constants are changed according to the input direction (for example, the vertical direction and the front-back direction). (See Patent Documents 1 and 2). In addition, a bush has also been proposed in which a plate-like elastic body (low foaming urethane member or rubber member) having high damping properties is immediately inserted and the spring constant in a predetermined direction is increased (see Patent Documents 3 and 4). .
Japanese Patent Laid-Open No. 10-9316 JP 2005-249022 A JP 2001-193776 A JP 2002-52913 A

特許文献１，２のブッシュでは、すぐりの形状および位置によってばね常数の大きさや方向性（以下、ばね特性と記す）を比較的容易に設定できるが、車種展開等への対応が難しいという問題があった。例えば、近年の自動車では、同一のプラットフォームやサスペンションでセダン型乗用車やスポーツ車、貨物車等への車種展開が行われ、ブッシュに要求されるばね特性も車種ごとに異なることが多い。この場合、フレームやアームにおけるブッシュの取付寸法が同一でありながら、すぐりの形状等が異なる複数の成形金型を製作する必要が生じたり、ブッシュが装着されたアームの共用化が行えなくなったりしていた。また、自動車では、操縦安定性の向上等を図るため、量産開始後にブッシュのばね特性を変更する場合があるが、その際には成形金型を新規に製作しなければならなず、対応が遅くなる問題もあった。一方、特許文献３，４のブッシュでは、減衰性の高い板状弾性体をすぐりに嵌挿することから、ブッシュの減衰特性が大きく変わってしまい、サスペンションレイアウト等の変更を余儀なくされることが多かった。   In the bushes of Patent Documents 1 and 2, the size and directionality of the spring constant (hereinafter referred to as spring characteristics) can be set relatively easily depending on the shape and position of the stem, but there is a problem that it is difficult to cope with the development of vehicle types and the like. there were. For example, in recent automobiles, the same platform and suspension are used to develop car models for sedan-type passenger cars, sports cars, freight cars, etc., and the spring characteristics required for the bushes are often different for each car model. In this case, it may be necessary to manufacture a plurality of molding dies that have the same mounting dimensions of the bush on the frame and arm, but have different shapes, etc., or it may not be possible to share the arm to which the bush is attached. It was. In addition, in automobiles, the spring characteristics of the bush may be changed after the start of mass production in order to improve the handling stability. However, in that case, a new mold must be manufactured. There was also a problem that slowed down. On the other hand, in the bushes of Patent Documents 3 and 4, since a highly elastic plate-like elastic body is immediately inserted, the damping characteristics of the bush are greatly changed, and it is often necessary to change the suspension layout and the like. It was.

本発明は、このような背景に鑑みなされたもので、減衰特性の大きな変化を伴うことなく、ばね特性の容易な変更等を可能としたブッシュを提供することを目的とする。   The present invention has been made in view of such a background, and an object of the present invention is to provide a bush capable of easily changing a spring characteristic without causing a large change in the damping characteristic.

請求項１の発明に係るブッシュは、内筒と外筒との間に筒状弾性体を介装してなるブッシュであって、前記筒状弾性体の一部にすぐりを形成し、当該すぐりに前記弾性体より減衰性の低い板状弾性体を嵌挿したことを特徴とする。   The bush according to the first aspect of the present invention is a bush formed by interposing a cylindrical elastic body between an inner cylinder and an outer cylinder, and forms a curl on a part of the cylindrical elastic body. A plate-like elastic body having a lower damping property than that of the elastic body is inserted into.

また、請求項２の発明に係るブッシュは、請求項１に記載のブッシュにおいて、前記板状弾性体が前記すぐり内に摺動可能に保持されるとともに、前記すぐり内での前記板状弾性体の移動を抑制する係止手段を備えたことを特徴とする。   According to a second aspect of the present invention, there is provided a bush according to the first aspect of the present invention, wherein the plate-like elastic body is slidably held in the curl and the plate-like elastic body in the curl. It is characterized in that it is provided with a locking means for suppressing the movement of.

また、請求項３の発明に係るブッシュは、請求項１または請求項２に記載のブッシュにおいて、前記筒状弾性体には前記すぐりの外側に金属プレートがモールドされ、当該金属プレートが前記係止手段を構成することを特徴とする。   According to a third aspect of the present invention, there is provided the bush according to the first or second aspect, wherein a metal plate is molded on the outer side of the tread on the cylindrical elastic body, and the metal plate is engaged with the latch. The means is constituted.

請求項１のブッシュによれば、減衰特性の大きな変化を伴うことなくそのばね特性を変化させられるため、製造金型の共用化やブッシュが装着されたアームの共用化等を実現できる。また、請求項２のブッシュによれば、サスペンションの作動に伴う内筒と外筒との相対変位が板状弾性体によって阻害され難くなるとともに、板状弾性体のずれに起因するばね特性の変化が生じ難くなる。また、請求項３のブッシュによれば、金属プレートのモールド部位における筒状弾性体のばね定数を高めることができるとともに、板状弾性体のずれの抑制を確実に行える。   According to the bush of the first aspect, since the spring characteristic can be changed without causing a large change in the damping characteristic, it is possible to realize common use of the manufacturing mold, common use of the arm to which the bush is attached, and the like. According to the bush of claim 2, the relative displacement between the inner cylinder and the outer cylinder due to the operation of the suspension is not easily inhibited by the plate-like elastic body, and the change in the spring characteristics due to the displacement of the plate-like elastic body Is less likely to occur. Moreover, according to the bush of Claim 3, while being able to raise the spring constant of the cylindrical elastic body in the mold site | part of a metal plate, the suppression of the shift | offset | difference of a plate-shaped elastic body can be performed reliably.

以下、図面を参照して、本発明を適用したブッシュの一実施形態を詳細に説明する。
図１は実施形態に係る自動車用フロントサスペンションを示す斜視図であり、図２は図１中の拡大II矢視図である。また、図３は実施形態に係るブッシュの正面図であり、図４は図３中のIV−IV断面図である。また、図５はブッシュ本体と板状弾性体との係合面を示す斜視図である。 Hereinafter, an embodiment of a bush to which the present invention is applied will be described in detail with reference to the drawings.
FIG. 1 is a perspective view showing a front suspension for an automobile according to an embodiment, and FIG. 2 is an enlarged view taken along arrow II in FIG. 3 is a front view of the bush according to the embodiment, and FIG. 4 is a sectional view taken along line IV-IV in FIG. FIG. 5 is a perspective view showing an engagement surface between the bush body and the plate-like elastic body.

≪実施形態の構成≫
図１に示すように、本実施形態のフロントサスペンション１は、いわゆるマクファーソンストラット式サスペンションであり、上部にスプリング２が取り付けられたダンパ３、ダンパ３の下部に固着されたナックル４、ナックル４の下端とサスペンションメンバ（図示せず）とを連結するロアアーム５等から構成され、ナックル４に取り付けられたハブベアリング（図示せず）を介してホイール６を回転自在に支持している。ロアアーム５は、前端に設けられたピボットシャフト５ａを軸に揺動する他、所定の範囲で種々の方向に傾いたり、前後に移動したりする。 << Configuration of Embodiment >>
As shown in FIG. 1, the front suspension 1 of this embodiment is a so-called McPherson strut suspension, a damper 3 having a spring 2 attached to the upper part, a knuckle 4 fixed to the lower part of the damper 3, and a lower end of the knuckle 4 The wheel 6 is rotatably supported via a hub bearing (not shown) attached to the knuckle 4. The lower arm 5 swings around a pivot shaft 5a provided at the front end, and tilts in various directions within a predetermined range or moves back and forth.

図２にも示すように、ロアアーム５の後方にはコンプライアンスブッシュ（以下、単にブッシュと記す）１１が設置されており、６角断面形状を呈するロアアーム５の後端５ｂがこのブッシュ１１に弾性支持されている。なお、ブッシュ１１は、アッパハーフ７ａとロアハーフ７ｂとからなるブッシュブラケット７を介してサスペンションメンバに取り付けられている。   As shown in FIG. 2, a compliance bush (hereinafter simply referred to as a bush) 11 is installed behind the lower arm 5, and the rear end 5 b of the hexagonal cross section is elastically supported by the bush 11. Has been. The bush 11 is attached to the suspension member via a bush bracket 7 composed of an upper half 7a and a lower half 7b.

図３，図４に示すように、ブッシュ１１は、内筒１２と外筒１３との間に筒状弾性体１４を介装（加硫接着）してなるブッシュ本体１５と、筒状弾性体１４のすぐり１４ａに嵌挿された板状弾性体１６とから構成されている。本実施形態の場合、内筒１２は金属管（鋼管）を所定寸法に切断したものであり、外筒１３は樹脂射出成形品であり、筒状弾性体１４はゴムを素材とする加硫成形品である。また、外筒１３の前端（図４中の下方）には、ブッシュブラケット７の端面に当接する係止フランジ１３ａが設けられている。   As shown in FIGS. 3 and 4, the bush 11 includes a bush main body 15 in which a cylindrical elastic body 14 is interposed (vulcanized and bonded) between an inner cylinder 12 and an outer cylinder 13, and a cylindrical elastic body. The plate-like elastic body 16 is inserted into the curb 14a. In the case of this embodiment, the inner cylinder 12 is obtained by cutting a metal pipe (steel pipe) to a predetermined size, the outer cylinder 13 is a resin injection molded product, and the cylindrical elastic body 14 is a vulcanization molding using rubber as a raw material. It is a product. Further, a locking flange 13 a that contacts the end surface of the bush bracket 7 is provided at the front end of the outer cylinder 13 (downward in FIG. 4).

筒状弾性体１４には、外側（車両側方側）と内側とに略円弧状断面のすぐり１４ａ，１４ｂがそれぞれ形成され、上側および下側に略円形断面のすぐり１４ｃ，１４ｄがそれぞれ形成されている。また、筒状弾性体１４には外側のすぐり１４ａと外筒１３との間に円弧状断面の金属プレート（係止手段）１７がモールドされており、図５に示すように、この金属プレート１７の前端１７ａおよび後端１７ｂが筒状弾性体１４からそれぞれ突出している。また、内筒１２の内周面は弾性保持部１８に覆われており、この弾性保持部１８にロアアーム５の後端５ｂが嵌入する６角部１８ａが形成されている。   The cylindrical elastic body 14 has straight arcuate cross-sections 14a and 14b on the outer side (vehicle side) and the inner side, respectively, and substantially circular cross-section curls 14c and 14d on the upper and lower sides, respectively. ing. Further, a metal plate (locking means) 17 having an arc-shaped cross section is molded between the outer straight portion 14a and the outer cylinder 13 on the cylindrical elastic body 14, and as shown in FIG. The front end 17a and the rear end 17b protrude from the cylindrical elastic body 14, respectively. Further, the inner peripheral surface of the inner cylinder 12 is covered with an elastic holding portion 18, and a hexagonal portion 18 a into which the rear end 5 b of the lower arm 5 is fitted is formed in the elastic holding portion 18.

板状弾性体１６は、筒状弾性体１４より減衰性の低いゴムを素材としており、図５に示すように、略円弧状断面を呈する板状部１６ａと、板状部１６ａの一端に形成された第１係止部（係止手段）１６ｂと、板状部１６ａの他端に形成された第２係止部（係止手段）１６ｃとを有している。ブッシュ本体１５に板状弾性体１６が組み付けられた状態では、第１係止部１６ｂが金属プレート１７の後端１７ｂと内筒１２との間に嵌入し、第２係止部１６ｃが金属プレート１７の前端１７ａと内筒１２との間に嵌入する。また、第２係止部１６ｃには、金属プレート１７の前端１７ａと所定の間隙をもって対峙する上下一対の係止爪（係止手段）１６ｄ，１６ｅがその両端にそれぞれ突設されている。そして、ブッシュ本体１５に板状弾性体１６が組み付けられた状態では、筒状弾性体１４における外側のすぐり１４ａと金属プレート１７との間の凸肉部（係止手段）１４ｅは、板状弾性体１６の第１係止部１６ｂと第２係止部１６ｃとの間に位置している。なお、本実施形態の場合、板状部１６ａの肉厚は、外側のすぐり１４ａの内幅と略同一に設定されている。   The plate-like elastic body 16 is made of rubber having a lower attenuation than the cylindrical elastic body 14, and as shown in FIG. 5, is formed at a plate-like portion 16a having a substantially arc-shaped cross section and at one end of the plate-like portion 16a. It has the 1st latching | locking part (locking means) 16b and the 2nd latching | locking part (locking means) 16c formed in the other end of the plate-shaped part 16a. In a state where the plate-like elastic body 16 is assembled to the bushing body 15, the first locking portion 16b is fitted between the rear end 17b of the metal plate 17 and the inner cylinder 12, and the second locking portion 16c is the metal plate. 17 is fitted between the front end 17a and the inner cylinder 12. In addition, a pair of upper and lower locking claws (locking means) 16d and 16e, which face the front end 17a of the metal plate 17 with a predetermined gap, protrude from both ends of the second locking portion 16c. In the state where the plate-like elastic body 16 is assembled to the bushing body 15, the convex wall portion (locking means) 14 e between the outer straight 14 a and the metal plate 17 in the cylindrical elastic body 14 is plate-like elastic. The body 16 is positioned between the first locking portion 16b and the second locking portion 16c. In the case of this embodiment, the thickness of the plate-like portion 16a is set to be substantially the same as the inner width of the outer straight 14a.

≪実施形態の作用≫
自動車が悪路や旋回路を走行したり、発進や制動が行われたりすると、ホイール６からフロントサスペンション１に種々の力が作用し、ロアアーム５は、ピボットシャフト５ａを軸に揺動する他、ピボットシャフト５ａを基点にして上下方向や左右方向に傾いたり、前後に移動したりする。 << Operation of Embodiment >>
When the vehicle travels on a rough road or a turning circuit, or when starting or braking is performed, various forces act on the front suspension 1 from the wheel 6, and the lower arm 5 swings around the pivot shaft 5a, With respect to the pivot shaft 5a, it tilts up and down and left and right, and moves back and forth.

悪路走行時等にロアアーム５がピボットシャフト５ａを軸に揺動すると、ブッシュ１１では、ロアアーム５の後端５ｂが嵌挿された内筒１２が外筒１３に対して回動する。この場合、図６に示すように、筒状弾性体１４が内筒１２の回転方向（図６では時計回り）に捩れ、板状弾性体１６も内筒１２と伴に連れ回るが、係止爪１６ｅが金属プレート１７の前端１７ａに係止されることで板状弾性体１６の回転が抑制される。   When the lower arm 5 swings around the pivot shaft 5 a during a rough road traveling or the like, in the bush 11, the inner cylinder 12 in which the rear end 5 b of the lower arm 5 is inserted is rotated with respect to the outer cylinder 13. In this case, as shown in FIG. 6, the cylindrical elastic body 14 is twisted in the rotation direction of the inner cylinder 12 (clockwise in FIG. 6), and the plate-like elastic body 16 is rotated with the inner cylinder 12. Since the claw 16e is locked to the front end 17a of the metal plate 17, the rotation of the plate-like elastic body 16 is suppressed.

旋回走行時等にロアアーム５がピボットシャフト５ａを支点に傾くと、ロアアーム５の後端５ｂが左右方向に変位し、ブッシュ１１では、内筒１２が外筒１３に対して左右に移動する。そして、内筒１２が外筒１３に対して車体外側に移動した場合、図７に示すように、板状弾性体１６と筒状弾性体１４とが内筒１２に圧縮されて変形する。   When the lower arm 5 tilts with the pivot shaft 5a as a fulcrum during turning, the rear end 5b of the lower arm 5 is displaced in the left-right direction, and in the bush 11, the inner cylinder 12 moves to the left and right with respect to the outer cylinder 13. And when the inner cylinder 12 moves to the vehicle body outer side with respect to the outer cylinder 13, the plate-like elastic body 16 and the cylindrical elastic body 14 are compressed and deformed by the inner cylinder 12 as shown in FIG.

この際、図８に示すように、板状弾性体１６がすぐり１４ａに嵌挿された本実施形態のブッシュ１１では、筒状弾性体１４にすぐり１４ａのみが形成されたもの（破線で示す）に較べてそのばね定数が有意に大きくなるため、ロアアーム５の傾きに起因するサスペンションジオメトリーの変化が抑制されて操縦安定性が向上する。なお、本実施形態では、筒状弾性体１４に金属プレート１７をモールドしたため、車体外側方向におけるブッシュ１１のばね定数を更に増大させることができた。   At this time, as shown in FIG. 8, in the bush 11 of this embodiment in which the plate-like elastic body 16 is fitted and inserted into the curb 14a, only the curb 14a is formed on the cylindrical elastic body 14 (shown by a broken line). Since the spring constant is significantly larger than that of the suspension arm, the change in suspension geometry caused by the inclination of the lower arm 5 is suppressed, and the steering stability is improved. In the present embodiment, since the metal plate 17 is molded on the cylindrical elastic body 14, the spring constant of the bush 11 in the vehicle body outer side direction can be further increased.

一方、前述したように、板状弾性体１６の減衰性が筒状弾性体１４の減衰性より低いため、ブッシュ１１の減衰特性は板状弾性体１６の存在によって殆ど変化しない。その結果、既成のブッシュ１１のばね特性を変更すべく既成のブッシュ１１に板状弾性体１６を追加したような場合においても、フロントサスペンション１の構成等を変える必要がなくなった。   On the other hand, as described above, since the damping property of the plate-like elastic body 16 is lower than the damping property of the cylindrical elastic body 14, the damping characteristic of the bush 11 hardly changes due to the presence of the plate-like elastic body 16. As a result, even when the plate-like elastic body 16 is added to the existing bush 11 to change the spring characteristics of the existing bush 11, it is not necessary to change the configuration of the front suspension 1 or the like.

発進時等においてロアアーム５が前進した場合、ブッシュ１１では、図９に示すように、外筒１３に対して内筒１２が前方に移動する。この場合、板状弾性体１６は内筒１２の移動に伴って前進するが、凸肉部１４ｅの後端に第１係止部１６ｂが係止されることで板状弾性体１６の前後方向でのずれが抑制される。   When the lower arm 5 moves forward at the start or the like, the inner cylinder 12 moves forward with respect to the outer cylinder 13 in the bush 11 as shown in FIG. In this case, the plate-like elastic body 16 moves forward with the movement of the inner cylinder 12, but the first locking portion 16b is locked to the rear end of the convex portion 14e so that the plate-like elastic body 16 is moved in the front-rear direction. Deviations in are suppressed.

本実施形態では、上述した構成を採ったことにより、減衰特性の大きな変化を伴うことなくブッシュ１１のばね特性を変化させられるため、製造金型の共用化やブッシュ１１が装着されたアーム類の共用化等を実現できた。また、サスペンションの作動に伴う内筒１２と外筒１３との相対変位が板状弾性体１６によって阻害され難くなるとともに、板状弾性体１６のずれに起因するばね特性の変化が生じ難くなった。また、金属プレート１７を筒状弾性体１４にモールドしたため、モールド部位における筒状弾性体１４のばね定数を高めることができるとともに、板状弾性体１６の回転方向のずれを確実に抑制できるようになった。   In the present embodiment, since the above-described configuration is adopted, the spring characteristics of the bush 11 can be changed without causing a large change in the damping characteristics. Therefore, it is possible to share the manufacturing mold and the arms to which the bush 11 is attached. Sharing was realized. Further, the relative displacement between the inner cylinder 12 and the outer cylinder 13 due to the operation of the suspension is not easily obstructed by the plate-like elastic body 16, and the change in spring characteristics due to the displacement of the plate-like elastic body 16 is less likely to occur. . In addition, since the metal plate 17 is molded on the cylindrical elastic body 14, the spring constant of the cylindrical elastic body 14 at the molding site can be increased, and the displacement of the plate-shaped elastic body 16 in the rotational direction can be reliably suppressed. became.

以上で具体的実施形態の説明を終えるが、本発明は上記実施形態に限定されることなく幅広く変形実施することができる。例えば、上記実施形態は、マクファーソンストラット式サスペンション用のコンプライアンスブッシュに本発明を適用したものであるが、他の形式のフロントサスペンションやリヤサスペンション等に用いられるブッシュに本発明を適用してもよい。また、上記実施形態では筒状弾性体に金属プレートをモールドしたが、金属プレートのモールドを行わなくてもよい。その他、板状弾性体やすぐりの具体的形状等についても、本発明の趣旨を逸脱しない範囲で適宜変更可能である。   Although the description of the specific embodiment is finished as described above, the present invention is not limited to the above embodiment and can be widely modified. For example, in the above embodiment, the present invention is applied to a compliance bush for a MacPherson strut suspension, but the present invention may be applied to a bush used for other types of front suspension, rear suspension, and the like. In the above embodiment, the metal plate is molded on the cylindrical elastic body, but the metal plate may not be molded. In addition, it is possible to appropriately change the plate-like elastic body and the specific shape of the edge as long as they do not depart from the spirit of the present invention.

実施形態に係る自動車用フロントサスペンションを示す斜視図である。It is a perspective view which shows the front suspension for motor vehicles based on embodiment. 図１中の拡大II矢視図である。It is an enlarged II arrow line view in FIG. 実施形態に係るブッシュの正面図である。It is a front view of the bush concerning an embodiment. 図３中のIV−IV断面図である。It is IV-IV sectional drawing in FIG. 実施形態に係るブッシュ本体と板状弾性体との係合面を示す斜視図である。It is a perspective view which shows the engagement surface of the bush main body and plate-shaped elastic body which concern on embodiment. 実施形態に係るブッシュの作用を示す説明図である。It is explanatory drawing which shows the effect | action of the bush which concerns on embodiment. 実施形態に係るブッシュの作用を示す説明図である。It is explanatory drawing which shows the effect | action of the bush which concerns on embodiment. 実施形態に係るブッシュの荷重と変位との関係を示すグラフである。It is a graph which shows the relationship between the load and displacement of the bush which concern on embodiment. 実施形態に係るブッシュの作用を示す説明図である。It is explanatory drawing which shows the effect | action of the bush which concerns on embodiment.

符号の説明Explanation of symbols

５ ロアアーム
１１ ブッシュ
１２ 内筒
１３ 外筒
１４ 筒状弾性体
１４ａ すぐり
１４ｅ 凸肉部（係止手段）
１５ ブッシュ本体
１６ 板状弾性体
１６ａ 板状部
１６ｂ 第１係止部（係止手段）
１６ｃ 第２係止部（係止手段）
１６ｄ，１６ｅ 係止爪（係止手段）
１７ 金属プレート（係止手段） 5 Lower arm 11 Bush 12 Inner cylinder 13 Outer cylinder 14 Cylindrical elastic body 14a Straightening 14e Convex part (locking means)
15 Bush body 16 Plate-like elastic body 16a Plate-like portion 16b First locking portion (locking means)
16c 2nd latching | locking part (locking means)
16d, 16e Locking claw (locking means)
17 Metal plate (locking means)

Claims (3)

内筒と外筒との間に筒状弾性体を介装してなるブッシュであって、
前記筒状弾性体の一部にすぐりを形成し、当該すぐりに前記弾性体より減衰性の低い板状弾性体を嵌挿したことを特徴とするブッシュ。 A bush formed by interposing a cylindrical elastic body between the inner cylinder and the outer cylinder,
A bush characterized in that a curb is formed in a part of the cylindrical elastic body, and a plate-shaped elastic body having a lower damping property than the elastic body is inserted into the curb. 前記板状弾性体が前記すぐり内に摺動可能に保持されるとともに、
前記すぐり内での前記板状弾性体の移動を抑制する係止手段を備えたことを特徴とする、請求項１に記載のブッシュ。 The plate-like elastic body is slidably held in the curb,
The bush according to claim 1, further comprising a locking unit that suppresses the movement of the plate-like elastic body within the curb. 前記筒状弾性体には前記すぐりの外側に金属プレートがモールドされ、当該金属プレートが前記係止手段を構成することを特徴とする、請求項１または請求項２に記載のブッシュ。   3. The bush according to claim 1, wherein a metal plate is molded on the cylindrical elastic body on the outer side of the stem, and the metal plate constitutes the locking means. 4.
JP2005377014A 2005-12-28 2005-12-28 bush Expired - Fee Related JP4486926B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005377014A JP4486926B2 (en) 2005-12-28 2005-12-28 bush

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005377014A JP4486926B2 (en) 2005-12-28 2005-12-28 bush

Publications (2)

Publication Number Publication Date
JP2007177892A true JP2007177892A (en) 2007-07-12
JP4486926B2 JP4486926B2 (en) 2010-06-23

Family

ID=38303287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005377014A Expired - Fee Related JP4486926B2 (en) 2005-12-28 2005-12-28 bush

Country Status (1)

Country Link
JP (1) JP4486926B2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6360733U (en) * 1986-10-09 1988-04-22
JP2004138212A (en) * 2002-10-21 2004-05-13 Tokai Rubber Ind Ltd Bush
JP2004183726A (en) * 2002-12-02 2004-07-02 Bridgestone Corp Vibration damper

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6360733U (en) * 1986-10-09 1988-04-22
JP2004138212A (en) * 2002-10-21 2004-05-13 Tokai Rubber Ind Ltd Bush
JP2004183726A (en) * 2002-12-02 2004-07-02 Bridgestone Corp Vibration damper

Also Published As

Publication number Publication date
JP4486926B2 (en) 2010-06-23

Similar Documents

Publication Publication Date Title
JP4404849B2 (en) bush
JP5648208B2 (en) Suspension arm
JP4925657B2 (en) Vehicle handle and vehicle
JP2010101385A (en) Bush
JP5606163B2 (en) Suspension arm
KR102189192B1 (en) Hybrid inner core assemble structured honeycomb and manufacturing method thereof
JP5400610B2 (en) Pneumatic tire
US9988088B2 (en) Structure for connecting strut bar for vehicle
US9323280B2 (en) Apparatus for preventing automotive pedal from being pushed rearward
US11473646B2 (en) Bushing and vehicle suspension device
JP4486926B2 (en) bush
WO2012042752A1 (en) Toe correct bush
US10065470B2 (en) Suspension of front double-axle vehicle
JP2007137087A (en) Rear suspension device of vehicle
KR20110063166A (en) Suspension arm
JP2007062560A (en) Strut arm bush and double joint type suspension using the same
JP2006347477A (en) Vehicle wheel
JP4098771B2 (en) Wheel
JP4523374B2 (en) Suspension link
JP6017813B2 (en) Rear suspension device
CN214492491U (en) Spacing subassembly and vehicle of back door
CN201851583U (en) Suspension element used for vehicle power assembly
JPS6095230A (en) Rubber bushing
KR20100035874A (en) Mounting bush for automobile
JP2000074117A (en) Vibration isolating mount

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20071129

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090930

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20091006

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20091202

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100316

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100329

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130402

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130402

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140402

Year of fee payment: 4

LAPS Cancellation because of no payment of annual fees