JP2017144756A - Stabilizer bush - Google Patents

Stabilizer bush Download PDF

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Publication number
JP2017144756A
JP2017144756A JP2016025560A JP2016025560A JP2017144756A JP 2017144756 A JP2017144756 A JP 2017144756A JP 2016025560 A JP2016025560 A JP 2016025560A JP 2016025560 A JP2016025560 A JP 2016025560A JP 2017144756 A JP2017144756 A JP 2017144756A
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Prior art keywords
bush
mounting base
stabilizer
fitting hole
fitting
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JP2016025560A
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JP6596350B2 (en
Inventor
宏典 吉田
Hironori Yoshida
宏典 吉田
正巳 遠藤
Masami Endo
正巳 遠藤
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Sumitomo Riko Co Ltd
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Sumitomo Riko Co Ltd
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Priority to JP2016025560A priority Critical patent/JP6596350B2/en
Priority to DE102017000468.4A priority patent/DE102017000468B4/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B60G21/0551—Mounting means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/122—Mounting of torsion springs
    • B60G2204/1222—Middle mounts of stabiliser on vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41—Elastic mounts, e.g. bushings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Insertion Pins And Rivets (AREA)
  • Springs (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a novel stabilizer bush in which falling of a pedestal for fitting, which is assembled to a bush body, can be prevented.SOLUTION: An indentation 38, which is provided on a peripheral wall part 22 of a bush body 14 and can mount the bush body 14 from a lateral side of a stabilizer 16, is positioned on a half circumference part on a side opposite to a pedestal 15 for fitting. On the other hand, an insertion projection 46, which is so provided on the bush body 14 as to be projected and is engaged with an engaging hole 60 of the pedestal 15 for fitting, is so provided as to be projected from a position deviated from a center in a width direction of the bush body 14.SELECTED DRAWING: Figure 1

Description

本発明は、スタビライザバーを車両ボデー側へ防振支持させるスタビライザブッシュに係り、特にブッシュ本体の車両ボデー側への重ね合わせ面上に取付用台座が組み付けられた台座付きのスタビライザブッシュに関する。   The present invention relates to a stabilizer bush for supporting a stabilizer bar on a vehicle body side in an anti-vibration manner, and more particularly to a stabilizer bush with a pedestal in which a mounting base is assembled on an overlapping surface of a bush body on the vehicle body side.

従来から、自動車などの車両では、旋回時などにおける車体の傾きを抑えて走行安定性を向上させるためのスタビライザバーが用いられている。スタビライザバーは、アンチロールバーとも言われており、一般に左右のサスペンション部材の間に跨がって配設されていると共に、長さ方向の中間部分がスタビライザブッシュを介して車両ボデーに対して防振支持されている。   Conventionally, in a vehicle such as an automobile, a stabilizer bar has been used to improve the running stability by suppressing the inclination of the vehicle body when turning. The stabilizer bar is also called an anti-roll bar, and is generally disposed between the left and right suspension members, and the intermediate portion in the length direction is protected against the vehicle body via the stabilizer bush. It is supported by vibration.

すなわち、スタビライザブッシュは、一般に、筒状のゴム弾性体からなるブッシュ本体を備えており、かかるブッシュ本体がスタビライザバーに対して外挿状態で装着されることとなる。一方、ブッシュ本体の外周面には溝形のブラケット金具が外嵌されており、ブッシュ本体が周上で部分的に車両ボデー側に重ね合わされた状態で、ブッシュ本体の外周部分がブラケット金具により車両ボデー側に取り付けられるようになっている。   That is, the stabilizer bush is generally provided with a bush body made of a cylindrical rubber elastic body, and the bush body is attached to the stabilizer bar in an extrapolated state. On the other hand, a groove-shaped bracket fitting is externally fitted on the outer peripheral surface of the bush main body, and the outer peripheral portion of the bush main body is mounted on the vehicle by the bracket fitting while the bush main body is partially overlapped on the vehicle body side. It can be attached to the body side.

ところで、スタビライザバーと車両ボデー側部材との相対的な位置関係は車種によって異なっており、スタビライザバーが車両ボデー側部材から大きく離れている場合等もある。その場合には、特開２００９−２５５８８８号公報（特許文献１）に記載されているように、ブッシュ本体の車両ボデー側への重ね合わせ面に取付用台座を組み付けた台座付きのスタビライザブッシュが用いられることがある。   By the way, the relative positional relationship between the stabilizer bar and the vehicle body side member differs depending on the vehicle type, and the stabilizer bar may be largely separated from the vehicle body side member. In that case, as described in Japanese Patent Application Laid-Open No. 2009-255888 (Patent Document 1), a stabilizer bush with a pedestal in which a mounting pedestal is assembled on an overlapping surface of the bushing body on the vehicle body side is used. May be.

また、このような台座付きのスタビライザブッシュでは、ブッシュ本体に突設された挿入突起が取付用台座に形成された嵌合孔へ係止されることによって、ブッシュ本体と取付用台座が組付状態に保持されるようになっている。これにより、ブッシュ本体と取付用台座を一体的に取り扱って、ブッシュ本体の周壁部に形成されたスリット状の切割りを開いてスタビライザバーへ側方から装着することにより、作業者がブッシュ本体をスタビライザバーへの外挿状態で装着することができる。   Moreover, in such a stabilizer bush with a pedestal, the bushing body and the mounting pedestal are assembled by the insertion protrusions protruding from the bushing body being locked into the fitting holes formed in the mounting pedestal. Is supposed to be retained. As a result, the bush body and the mounting base are handled integrally, the slit-shaped slit formed in the peripheral wall portion of the bush body is opened, and the operator attaches the bush body to the stabilizer bar from the side. It can be mounted in an extrapolated state on the stabilizer bar.

特開２００９−２５５８８８号公報JP 2009-255888 A

ところが、本発明者が検討したところ、従来構造の台座付きのスタビライザブッシュでは、スタビライザバーへ装着する際に、意図せずに台座がブッシュ本体から外れてしまうことがあり、装着作業に支障をきたすおそれのあることが明らかとなった。即ち、スタビライザバーへの装着に際して切割りを広げる操作に伴ってブッシュ本体に惹起される弾性変形により、ブッシュ本体の挿入突起が取付用台座の嵌合孔から抜け出して外れることで取付用台座がブッシュ本体から脱落するおそれのあることが判ったのである。   However, as a result of studies by the present inventors, in the case of a stabilizer bush with a pedestal having a conventional structure, the pedestal may be unintentionally detached from the bush body when it is attached to the stabilizer bar, which hinders the mounting operation. It became clear that there was a fear. That is, due to the elastic deformation induced in the bushing body in accordance with the operation of widening the slit when mounted on the stabilizer bar, the insertion protrusion of the bushing body comes out of the fitting hole of the mounting base, so that the mounting base becomes the bushing. It was found that there was a risk of falling off the main body.

以下、このような課題を解決するために為された本発明の態様を記載する。なお、以下に記載の各態様において採用される構成要素は、可能な限り任意の組み合わせで採用可能である。   Hereinafter, the aspect of this invention made | formed in order to solve such a subject is described. In addition, the component employ | adopted in each aspect as described below is employable by arbitrary combinations as much as possible.

本発明の第一の態様の特徴とするところは、スタビライザバーが挿通される内孔を有する筒状のブッシュ本体において該内孔を外周面に開放させて該スタビライザバーへの側方からの装着を可能にする切割りが周壁部に設けられていると共に、該周壁部における車両ボデー側への重ね合わせ面上に取付用台座が組み付けられている台座付きのスタビライザブッシュにおいて、前記ブッシュ本体における前記切割りが前記周壁部における前記取付用台座とは反対側の半周部分に位置して設けられている一方、該ブッシュ本体の前記重ね合わせ面には、該取付用台座に向かって突出して該取付用台座に設けられた嵌合孔への係止作用で該ブッシュ本体を該取付用台座への組付状態に保持する挿入突起が設けられていると共に、該ブッシュ本体の該重ね合わせ面において前記内孔の中心軸に直交する幅方向で該中心軸に対応するセンターを外れた位置から該挿入突起が突設されているスタビライザブッシュにある。   A feature of the first aspect of the present invention is that the cylindrical bush body having an inner hole through which the stabilizer bar is inserted has the inner hole opened to the outer peripheral surface, and is attached to the stabilizer bar from the side. In the stabilizer bush with a pedestal, in which the mounting wall pedestal is assembled on the surface of the circumferential wall portion that is superimposed on the vehicle body side. While the slit is provided at a half-circumferential portion on the opposite side of the mounting base in the peripheral wall portion, the mounting surface of the bushing body projects toward the mounting base and the mounting An insertion projection for holding the bush body in an assembled state to the mounting base by a locking action to a fitting hole provided in the pedestal is provided. Insertion inlet protrudes from a position out of the corresponding center in the central axis in the width direction perpendicular to the central axis of the bore is in the stabilizer bushing are projected in the mating surface ne.

先ず、従来構造の台座付きのスタビライザブッシュにおける前述の問題点について本発明者が検討を加えたところ、スタビライザバーへの装着の際にブッシュ本体の弾性変形が特定の態様をもって惹起されることに起因することが明らかとなった。即ち、ブッシュ本体をスタビライザバーへ装着するに際しては、切割りを広げるように周壁部を弾性変形させることとなるが、ブッシュ本体の取付用台座への重ね合わせ部分では、切割りを広げる方向へ周壁部に及ぼされる外力が、取付用台座の幅方向両端部分を支点とするモーメントとして作用せしめられる。その結果、ブッシュ本体の周壁部における取付用台座への重ね合わせ部分では、幅方向両端部分が取付用台座へ押し付けられる一方、幅方向中央部分が取付用台座から浮き上がるように変形することとなる。   First, the inventor examined the above-mentioned problems in a stabilizer bush with a pedestal having a conventional structure, and the elastic deformation of the bush body is caused in a specific manner when mounted on the stabilizer bar. It became clear to do. That is, when the bush body is attached to the stabilizer bar, the peripheral wall portion is elastically deformed so as to widen the cut, but in the overlapping portion of the bush body on the mounting base, the peripheral wall is extended in the direction of widening the cut. The external force exerted on the part acts as a moment with the both ends in the width direction of the mounting base as fulcrums. As a result, in the overlapping portion of the peripheral wall portion of the bush body on the mounting base, both end portions in the width direction are pressed against the mounting base, while the central portion in the width direction is deformed so as to be lifted from the mounting base.

特に、取付用台座への重ね合わせ部分におけるブッシュ本体の周壁部の厚さ寸法は、略円形断面の中心孔が採用されることで幅方向の略中央部分において薄肉となるために、厚肉の幅方向両端部に比して弾性変形しやすくなり、取付用台座から一層浮き上がりやすい。また、ブッシュ本体の周壁部の切割りが取付用台座と反対側に設けられた場合には、ブッシュ本体の周壁部における取付用台座への重ね合わせ部分に作用するモーメントのアーム長が大きくなることから、取付用台座への重ね合わせ部分の弾性変形量ひいては取付用台座からの浮き上がり量が一層大きくなりやすいことがわかった。   In particular, the thickness dimension of the peripheral wall portion of the bushing body in the overlapping portion to the mounting base is thin at the substantially central portion in the width direction by adopting the central hole of the substantially circular cross section. It becomes easier to be elastically deformed than both ends in the width direction, and it is easier to lift from the mounting base. In addition, when the cut of the peripheral wall part of the bushing body is provided on the side opposite to the mounting base, the arm length of the moment acting on the overlapping part of the peripheral wall part of the bushing body to the mounting base must be increased. From this, it was found that the amount of elastic deformation of the overlapping portion on the mounting base, and hence the amount of lifting from the mounting base, tends to be further increased.

このような新たな知見に基づいて完成された本発明の第一の態様に従う構造のスタビライザブッシュにおいては、ブッシュ本体における取付用台座への係止用の挿入突起が、切割りを開いてブッシュ本体を弾性変形させた際に取付用台座から最も大きく離れる位置を外れて設けられることとなる。それ故、スタビライザバーへの装着に際して、ブッシュ本体を弾性変形させることで挿入突起に及ぼされる嵌合孔からの引抜方向の変位量や力が軽減されることから、挿入突起が嵌合孔から意図せず抜け出してブッシュ本体から取付用台座が外れてしまう不具合が抑えられ得る。   In the stabilizer bush having the structure according to the first aspect of the present invention completed based on such new knowledge, the insertion protrusion for locking to the mounting base in the bush body opens the slit and the bush body When it is elastically deformed, it is provided at a position farthest from the mounting base. Therefore, when mounting to the stabilizer bar, the amount of displacement and force in the pulling direction from the fitting hole exerted on the insertion protrusion is reduced by elastically deforming the bushing body, so the insertion protrusion is intended from the fitting hole. It is possible to suppress a problem that the mounting base is detached from the bush body without being pulled out.

本発明の第二の態様は、前記第一の態様に係るスタビライザブッシュにおいて、前記挿入突起が、前記ブッシュ本体の前記重ね合わせ面から突出して前記取付用台座の前記嵌合孔へ挿通される柄部と、該柄部の先端側から広がって該取付用台座における該嵌合孔の開口周縁部に係止される笠部とを有していると共に、該柄部における該笠部への近接部分において該柄部の基端側よりも細くされた細柄部が設けられているものである。   The second aspect of the present invention is the stabilizer bush according to the first aspect, wherein the insertion protrusion protrudes from the overlapping surface of the bush body and is inserted into the fitting hole of the mounting base. And a cap portion that spreads from the distal end side of the handle portion and is locked to the opening peripheral edge portion of the fitting hole in the mounting base, and close to the cap portion in the handle portion The portion is provided with a fine pattern portion that is thinner than the base end side of the handle portion.

本態様に従う構造とされたスタビライザブッシュでは、嵌合孔の開口周縁部に対する笠部の引っ掛かりによって挿入突起の嵌合孔からの抜け出しがより確実に防止される。また、取付用台座をブッシュ本体へ組み付けるために笠部を嵌合孔へ押し込んで嵌め入れるに際しても、細柄部により笠部の変形領域が柄部の外周面上に確保されて、笠部が一層小さく折り曲げられることから、挿入突起の嵌合孔への挿通作業も容易となる。   In the stabilizer bush having the structure according to the present embodiment, the insertion protrusion is prevented from coming out of the fitting hole more reliably by the hook of the cap portion with respect to the opening peripheral edge of the fitting hole. In addition, when the cap portion is pushed into the fitting hole in order to assemble the mounting base to the bushing body, the deformation portion of the cap portion is secured on the outer peripheral surface of the handle portion by the narrow handle portion, and the cap portion is Since it is bent further smaller, the insertion operation of the insertion protrusion into the fitting hole is facilitated.

本発明の第三の態様は、前記第一又は第二の態様に係るスタビライザブッシュにおいて、前記挿入突起が、前記ブッシュ本体の前記重ね合わせ面から突出して前記取付用台座の前記嵌合孔へ挿通される柄部と、該柄部の先端側から広がって該取付用台座における該嵌合孔の開口周縁部に係止される笠部とを有していると共に、該挿通突起の該柄部の長さが該嵌合孔の長さよりも大きくされているものである。   According to a third aspect of the present invention, in the stabilizer bush according to the first or second aspect, the insertion protrusion protrudes from the overlapping surface of the bush body and is inserted into the fitting hole of the mounting base. And a handle portion that spreads from the distal end side of the handle portion and is locked to the opening peripheral edge portion of the fitting hole in the mounting base, and the handle portion of the insertion protrusion Is made larger than the length of the fitting hole.

本態様に従う構造とされたスタビライザブッシュによれば、ブッシュ本体への取付用台座の組付状態での笠部が嵌合孔における係止部分から外方に離隔して所定量の遊びが設定されることとなる。それ故、切割りを開いてブッシュ本体を弾性変形させた際に、ブッシュ本体における挿入突起の形成部位が取付用台座から多少離れても、挿入突起の笠部が嵌合孔の開口周縁部に対する係止状態へ一層安定して維持され得る。   According to the stabilizer bush configured according to this aspect, the cap portion in the assembled state of the mounting base to the bush body is separated outward from the locking portion in the fitting hole, and a predetermined amount of play is set. The Rukoto. Therefore, when the slit is opened and the bush body is elastically deformed, even if the formation portion of the insertion protrusion in the bush body is slightly apart from the mounting base, the cap portion of the insertion protrusion is not in contact with the opening peripheral edge of the fitting hole. The locked state can be maintained more stably.

本発明の第四の態様は、前記第一〜第三の何れか一つの態様に係るスタビライザブッシュにおいて、前記嵌合孔と前記挿入突起との各横断面が、相対回転により相互に当接される長円状断面とされているものである。   According to a fourth aspect of the present invention, in the stabilizer bush according to any one of the first to third aspects, the cross-sections of the fitting hole and the insertion protrusion are brought into contact with each other by relative rotation. It has an elliptical cross section.

本態様に従う構造とされたスタビライザブッシュによれば、嵌合孔と挿入突起との相対回転が防止されることで、ブッシュ本体と取付用台座とが、組付状態において所定の相対位置関係に保持され得る。これにより、例えばスタビライザブッシュをスタビライザバーや車両ボデー側へ装着するに際して、ブッシュ本体と取付用台座を正しく位置合わせし直すなどといった面倒な作業も不要となって作業効率の向上も図られ得る。   According to the stabilizer bush configured according to this aspect, the bushing body and the mounting base are held in a predetermined relative positional relationship in the assembled state by preventing relative rotation between the fitting hole and the insertion protrusion. Can be done. Accordingly, for example, when the stabilizer bush is mounted on the stabilizer bar or the vehicle body side, troublesome work such as correctly realigning the bush main body and the mounting base is unnecessary, and the work efficiency can be improved.

本発明の第五の態様は、前記第一〜第四の何れか一つの態様に係るスタビライザブッシュにおいて、前記ブッシュ本体の前記周壁部には、前記切割りを挟んだ周方向両側に位置して補強用の中間板が固着されているものである。   According to a fifth aspect of the present invention, in the stabilizer bush according to any one of the first to fourth aspects, the peripheral wall portion of the bush main body is positioned on both sides in the circumferential direction with the cut therebetween. A reinforcing intermediate plate is fixed.

本態様に従う構造とされたスタビライザブッシュでは、中間板によってスタビライザバーの防振支持特性のチューニング自由度が大きくなる。また、切割りを挟んだ周方向両側に中間板を配すると、中間板の配設部分の変形が抑えられることで、スタビライザバーへの装着時に切割りを開いた際のブッシュ本体の弾性変形が取付用台座の重ね合わせ部分等に集中するおそれもあるが、本発明では前述のように挿入突起の嵌合孔への係止状態が安定して維持されることから、取付用台座のブッシュ本体からの不用意な離脱を防止しつつ中間板を採用することが可能になる。   In the stabilizer bush having the structure according to this aspect, the intermediate plate increases the degree of freedom in tuning the vibration-proof support characteristic of the stabilizer bar. In addition, if an intermediate plate is arranged on both sides in the circumferential direction across the cut, deformation of the intermediate plate is suppressed, so that the bush body elastically deforms when the cut is opened when it is attached to the stabilizer bar. Although there is a risk of concentrating on the overlapping portion of the mounting pedestal, the bushing body of the mounting pedestal is stably maintained in the present invention because the locking state of the insertion protrusion to the fitting hole is stably maintained as described above. It is possible to employ an intermediate plate while preventing inadvertent detachment.

本発明の第六の態様は、前記第五の態様に係るスタビライザブッシュにおいて、前記ブッシュ本体の周壁部には、前記切割りを挟んだ周方向両側にそれぞれ半周以下の長さで広がる一対の前記中間板が配されていると共に、各該中間板の周方向両端縁部には外周側に向かって突出する端縁突起が一体形成されているものである。   According to a sixth aspect of the present invention, in the stabilizer bush according to the fifth aspect, the peripheral wall portion of the bush main body has a pair of the above-described lengths extending on both sides in the circumferential direction sandwiching the slit with a length of half or less. An intermediate plate is disposed, and edge protrusions that protrude toward the outer peripheral side are integrally formed at both circumferential edges of each intermediate plate.

本態様に従う構造とされたスタビライザブッシュによれば、端縁突起を設けたことにより、中間板の剛性ひいてはブッシュ本体への補強効果の向上が図られ得る。なお、本態様における端縁突起は、例えばブッシュ本体の軸方向両端面に突出位置させることで、ブッシュ本体の成形キャビティ内での中間板の位置決め支持部などとして利用することも可能である。   According to the stabilizer bush having the structure according to the present aspect, by providing the edge protrusion, the rigidity of the intermediate plate and the reinforcement effect on the bush body can be improved. In addition, the edge protrusion in this aspect can also be utilized as a positioning support portion of the intermediate plate in the molding cavity of the bush main body, for example, by projecting to both end surfaces in the axial direction of the bush main body.

本発明に従う構造とされたスタビライザブッシュでは、スタビライザバーへの装着に際してブッシュ本体を切割りで拡開させた場合でも、ブッシュ本体を取付用台座への組付状態に保持する挿入突起の突出位置における取付用台座からのブッシュ本体の離隔が軽減される。その結果、挿入突起の嵌合孔への係止状態が安定して維持され得て、取付用台座のブッシュ本体からの不用意な脱落が効果的に回避され得る。   In the stabilizer bush having the structure according to the present invention, even when the bush main body is divided and expanded when the stabilizer bush is mounted on the stabilizer bar, at the protruding position of the insertion protrusion that holds the bush main body in the assembled state to the mounting base. The separation of the bushing body from the mounting base is reduced. As a result, the locking state of the insertion protrusion to the fitting hole can be stably maintained, and inadvertent removal of the mounting base from the bushing body can be effectively avoided.

本発明の一実施形態としてのスタビライザブッシュの車両への装着状態を示す正面図。The front view which shows the mounting state to the vehicle of the stabilizer bush as one Embodiment of this invention. 図１に示されたスタビライザブッシュを構成するブッシュ本体を示す底面図。The bottom view which shows the bush main body which comprises the stabilizer bush shown by FIG. 図２におけるＩＩＩ−ＩＩＩ断面図。III-III sectional drawing in FIG. 図３におけるＩＶ−ＩＶ断面図。IV-IV sectional drawing in FIG. 図３におけるＶ−Ｖ断面図。VV sectional drawing in FIG. 図２に示されたブッシュ本体の挿入突起を拡大して示す正面図であって、当該挿入突起が挿入される取付用台座を併せて示す図。It is a front view which expands and shows the insertion protrusion of the bush main body shown by FIG. 2, Comprising: The figure which also shows the mounting base in which the said insertion protrusion is inserted. 図６におけるＶＩＩ−ＶＩＩ断面図。VII-VII sectional drawing in FIG. 図１に示されたスタビライザブッシュを構成する取付用台座を示す平面図。The top view which shows the mounting base which comprises the stabilizer bush shown by FIG. 図１に示されたスタビライザブッシュをスタビライザバーに装着する際に切割りで拡開変形させた状態を示す縦断面図。The longitudinal cross-sectional view which shows the state expanded when the stabilizer bush shown by FIG. 1 was mounted | worn to a stabilizer bar, and cut and expanded.

以下、本発明の実施形態について、図面を参照しつつ説明する。   Embodiments of the present invention will be described below with reference to the drawings.

先ず、図１には、本発明の一実施形態としてのスタビライザブッシュ１０が、車両への装着状態で示されている。このスタビライザブッシュ１０は、ブッシュ本体１４へ取付用台座１５が組み付けられることによって構成されている。そして、ブッシュ本体１４が自動車のスタビライザバー１６に外挿状態で装着される一方、ブッシュ本体１４が取付用台座１５を介して車両ボデー側の部材であるサブフレーム１８などに重ね合わされた状態で外周面をブラケット１９で固定的に保持されることにより、スタビライザバー１６が車両ボデー１８に防振支持せしめられるようになっている。   First, FIG. 1 shows a stabilizer bush 10 as an embodiment of the present invention in a state where it is mounted on a vehicle. The stabilizer bush 10 is configured by assembling a mounting base 15 to the bush body 14. The bush body 14 is mounted on the vehicle stabilizer bar 16 in an extrapolated state, while the bush body 14 is superposed on the vehicle frame side member subframe 18 or the like via the mounting base 15. The surface is fixedly held by the bracket 19 so that the stabilizer bar 16 is supported on the vehicle body 18 in a vibration-proof manner.

なお、以下の説明において、上下方向および高さ方向は、図１中の上下方向を言う。幅方向は、図１中の左右方向を言う。軸方向は、図１中において、紙面に直交する方向を言う。図１中の上下方向は、車両の上下方向と必ずしも一致するものではない。   In the following description, the vertical direction and the height direction refer to the vertical direction in FIG. The width direction refers to the left-right direction in FIG. An axial direction means the direction orthogonal to the paper surface in FIG. The vertical direction in FIG. 1 does not necessarily coincide with the vertical direction of the vehicle.

より詳細には、ブッシュ本体１４は、図２〜５に示されるように、全体として略厚肉の筒状とされている。ブッシュ本体１４の中央部分には、円形断面で軸方向へストレートに延びる内孔２０が形成されており、内孔２０を囲む周壁部２２の外周面は略小鉤形状とされている。   More specifically, as shown in FIGS. 2 to 5, the bush main body 14 has a substantially thick cylindrical shape as a whole. An inner hole 20 having a circular cross section and extending straight in the axial direction is formed in the central portion of the bush body 14, and the outer peripheral surface of the peripheral wall portion 22 surrounding the inner hole 20 has a substantially small bowl shape.

すなわち、ブッシュ本体１４の周壁部２２の外周面は、軸直角方向の断面において、上側半分が略半円形とされていると共に、両側が上下方向へ平行に延びている。そして、これら上側半分と両側部分とによって、全体として逆Ｕ字形状を有し、後述するブラケット１９で車両ボデー１８側へ締結される外周締結面２４が構成されている。   That is, the outer peripheral surface of the peripheral wall portion 22 of the bushing body 14 has a substantially semicircular upper half in the cross section perpendicular to the axis, and both sides extend in parallel in the vertical direction. The upper half and both side portions form an outer U-shaped fastening surface 24 that has an inverted U-shape as a whole and is fastened to the vehicle body 18 by a bracket 19 described later.

また、ブッシュ本体１４の周壁部２２の外周面のうち、下側の底面は幅方向に広がる略平坦な重ね合わせ面２６とされている。そして、この重ね合わせ面２６において、ブッシュ本体１４が、取付用台座１５を介して車両ボデー１８に重ね合わされて固定的に取り付けられるようになっている。   The lower bottom surface of the outer peripheral surface of the peripheral wall portion 22 of the bush main body 14 is a substantially flat overlapping surface 26 extending in the width direction. Then, on the overlapping surface 26, the bush main body 14 is overlapped with the vehicle body 18 via the mounting base 15 and fixedly attached.

なお、周壁部２２の外周締結面２４には、軸方向中間部分を周方向に延びる山部２８，２８や谷部３０が形成されている。そして、外周締結面２４に装着されるブラケット１９が、これら山部２８，２８や谷部３０に対応する波形の凹凸形状を与えられて、外周締結面２４に対してブラケット１９が密着状態で重ね合わされることにより、外周締結面２４とブラケット１９が軸方向で相互に位置合わせされて固定的に組み付けられるようになっている。   In addition, the outer peripheral fastening surface 24 of the peripheral wall portion 22 is formed with peak portions 28 and 28 and a valley portion 30 extending in the axial direction at an intermediate portion in the axial direction. The bracket 19 attached to the outer periphery fastening surface 24 is provided with a corrugated uneven shape corresponding to the peak portions 28, 28 and the valley portion 30, and the bracket 19 is overlapped with the outer periphery fastening surface 24 in a close contact state. As a result, the outer peripheral fastening surface 24 and the bracket 19 are aligned with each other in the axial direction and fixedly assembled.

また、周壁部２２の重ね合わせ面２６には、幅方向両側近くに段差３４，３４が形成されており、幅方向中央部分が両端部分よりも下方に突出した嵌合凸部３６とされている。この嵌合凸部３６は、軸方向の全長に亘って連続して延びており、嵌合凸部３６の突出先端面は左右方向に所定幅で広がる略平坦面とされている。   Further, on the overlapping surface 26 of the peripheral wall portion 22, steps 34 and 34 are formed near both sides in the width direction, and the center portion in the width direction is a fitting convex portion 36 protruding downward from both end portions. . This fitting convex part 36 is extended continuously over the full length of an axial direction, and the protrusion front end surface of the fitting convex part 36 is made into the substantially flat surface extended by the predetermined width in the left-right direction.

さらに、ブッシュ本体１４の周壁部２２における頂点付近となる周方向略中央部分には、切割り３８が形成されている。かかる切割り３８は、周壁部２２の内外周面を半径方向に貫通しており、周壁部２２の軸方向の全長に亘って連続して延びている。本実施形態では、切割り３８が、実質的に幅寸法のないスリット状に形成されており、例えばブッシュ本体１４の成形後にカッターナイフなどで切り裂くことで形成されている。   Further, a slit 38 is formed at a substantially central portion in the circumferential direction which is near the apex of the peripheral wall portion 22 of the bush main body 14. The slit 38 penetrates the inner and outer peripheral surfaces of the peripheral wall portion 22 in the radial direction and continuously extends over the entire length of the peripheral wall portion 22 in the axial direction. In this embodiment, the cut 38 is formed in a slit shape having substantially no width dimension, and is formed by, for example, cutting with a cutter knife after the bush body 14 is formed.

すなわち、ブッシュ本体１４の周壁部２２は、切割り３８の形成部位において周上で構造的に分断されていることから、切割り３８の両側部分を相互に周方向で離隔させる方向に引っ張ることで、周壁部２２を周上の一箇所で拡開するように弾性変形させることができるようになっている。そして、このような弾性変形により、ブッシュ本体１４をスタビライザバー１６の側方から組み付けて外挿状態で装着することが可能とされている。   That is, since the peripheral wall portion 22 of the bushing body 14 is structurally divided on the periphery at the portion where the cut 38 is formed, by pulling the both side portions of the cut 38 in the circumferential direction away from each other, The peripheral wall portion 22 can be elastically deformed so as to expand at one place on the circumference. By such elastic deformation, the bushing body 14 can be assembled from the side of the stabilizer bar 16 and mounted in an extrapolated state.

特に本実施形態では、切割り３８が、周壁部２２の重ね合わせ面２６の幅方向中心とブッシュ本体１４の中心軸（内孔２０の中心軸）とを通って上下方向に延びる直線Ｌ上に形成されている。これにより、切割り３８が、ブッシュ本体１４の中心軸を挟んで、重ね合わせ面２６上に組み付けられる取付用台座１５と反対側に位置する周壁部２２上に設けられている。   In particular, in the present embodiment, the cut 38 is on a straight line L extending in the vertical direction through the center in the width direction of the overlapping surface 26 of the peripheral wall portion 22 and the center axis of the bush body 14 (center axis of the inner hole 20). Is formed. Thereby, the cut 38 is provided on the peripheral wall portion 22 located on the opposite side to the mounting base 15 to be assembled on the overlapping surface 26 with the central axis of the bush main body 14 interposed therebetween.

また、本実施形態のブッシュ本体１４の周壁２２には、中間板３９が埋設状態で固着されている。この中間板３９は、内孔２０の周上でそれぞれ半周弱の長さで広がる円弧状の湾曲板からなる一対の分割板４０，４０により構成されている。それぞれの分割板４０，４０は、ブッシュ本体１４の周壁部２２の厚さ方向中間部分に埋設されており、内孔２０の中心軸と平行に軸方向の両端近くまで延びている。また、これら分割板４０，４０は、切割り３８が位置する前記直線Ｌを挟んだ両側に位置して、左右で相互に対向位置して配されている。   In addition, an intermediate plate 39 is fixed in an embedded state on the peripheral wall 22 of the bushing body 14 of the present embodiment. The intermediate plate 39 is composed of a pair of divided plates 40, 40 each formed of an arcuate curved plate that extends a little less than a half of the circumference around the inner hole 20. Each of the divided plates 40, 40 is embedded in the middle portion in the thickness direction of the peripheral wall portion 22 of the bush body 14, and extends to near the both ends in the axial direction in parallel with the central axis of the inner hole 20. Moreover, these division plates 40 and 40 are located on both sides of the straight line L where the cut 38 is located, and are arranged to face each other on the left and right.

なお、各分割板４０の周方向両側の端縁部には、それぞれ外周側に向かって突出する端縁突起４２，４２が一体形成されている。本実施形態では、各分割板４０の長さ方向両端部に位置して、かかる端縁突起４２，４２が設けられている。これらの端縁突起４２，４２は、ブッシュ本体１４との接着面積の向上などを図り得るほか、例えばブッシュ本体１４の成形用型の成形キャビティ内に分割板４０をセットしてインサート成形するに際して、成形用型で挟んで固定する部位等として利用することもできる。また、分割板４０では、ブッシュ本体１４の成形時における成形キャビティ内でのゴム材料の回り込みを考慮して、板厚方向に貫通する複数の貫通孔４４が、適宜に形成され得る。   In addition, edge projections 42 and 42 projecting toward the outer peripheral side are integrally formed at the edge portions on both sides in the circumferential direction of each divided plate 40. In the present embodiment, the edge projections 42 and 42 are provided at both ends in the length direction of each divided plate 40. These edge protrusions 42 and 42 can improve the bonding area with the bushing body 14, and for example, when the dividing plate 40 is set in the molding cavity of the molding die of the bushing body 14 and insert molding is performed. It can also be used as a part to be sandwiched and fixed by a molding die. In the divided plate 40, a plurality of through holes 44 penetrating in the plate thickness direction can be appropriately formed in consideration of the wraparound of the rubber material in the molding cavity when the bushing body 14 is molded.

因みに、ブッシュ本体１４や中間板３９の材質は特に限定されるものでないが、例えばブッシュ本体１４としては、天然ゴム（ＮＲ）や、ブタジエンゴム（ＢＲ）、スチレン・ブタジエンゴム（ＳＢＲ）などの合成ゴム材料が採用され得る。また、中間板３９としては、ブッシュ本体１４よりも剛性が高く成形も容易な金属や硬質の合成樹脂材などが採用され得る。   Incidentally, the material of the bushing body 14 and the intermediate plate 39 is not particularly limited. For example, the bushing body 14 is composed of natural rubber (NR), butadiene rubber (BR), styrene-butadiene rubber (SBR), or the like. A rubber material may be employed. Further, as the intermediate plate 39, a metal that is higher in rigidity than the bush body 14 and easy to mold, a hard synthetic resin material, or the like can be used.

さらに、ブッシュ本体１４の周壁部２２において重ね合わせ面２６を形成する底壁部４５には、重ね合わせ面２６において下方に向かって突出する挿入突起４６が形成されている。   Further, an insertion projection 46 that protrudes downward on the overlapping surface 26 is formed on the bottom wall portion 45 that forms the overlapping surface 26 in the peripheral wall portion 22 of the bush body 14.

この挿入突起４６は、図１，６などにも示されているように、ブッシュ本体１４の幅方向において、内孔２２の中心を通り上下方向に延びる直線Ｌから外れた位置から突出しており、直線Ｌと略平行に伸びている。特に、本実施形態では、挿入突起４６の全体が直線Ｌから左右方向に外れている。なお、かかる挿入突起は、嵌合凸部３６の下面に複数設けられてもよいが、本実施形態では、一つの挿入突起４６が、図１において直線Ｌから右側に外れて設けられている。   As shown in FIGS. 1 and 6 and the like, the insertion protrusion 46 protrudes from a position deviating from a straight line L extending in the vertical direction through the center of the inner hole 22 in the width direction of the bush body 14. It extends substantially parallel to the straight line L. In particular, in the present embodiment, the entire insertion protrusion 46 deviates from the straight line L in the left-right direction. Although a plurality of such insertion protrusions may be provided on the lower surface of the fitting convex portion 36, in the present embodiment, one insertion protrusion 46 is provided off the right side from the straight line L in FIG.

挿入突起４６は、底壁部４５の嵌合凸部３６から下方に向かってストレートに突出する柄部４８を有していると共に、柄部４８の突出先端には、外周に向かって広がる笠部５０が形成されている。また、柄部４８および笠部５０の横断面は、図７にも示されているように、長円または楕円からなる長円形状とされており、笠部５０が、柄部４８よりも一回り大きい外周形状とされている。   The insertion protrusion 46 has a handle portion 48 that protrudes straight downward from the fitting convex portion 36 of the bottom wall portion 45, and a cap portion that extends toward the outer periphery at the protruding tip of the handle portion 48. 50 is formed. Further, as shown in FIG. 7, the cross section of the handle portion 48 and the cap portion 50 is an oval shape formed of an ellipse or an ellipse. The outer peripheral shape is large.

また、柄部４８の突出先端側で笠部５０に近接位置する部分は、外周形状が基端部よりも小さくされた細柄部としてのテーパ状部５２が設けられている。すなわち、テーパ状部５２では、柄部４８の断面の長軸方向両側の円弧状外周面における径寸法が、笠部５０に向かって次第に小さくされている。なお、テーパ状部５２の形成長さは限定されるものでないが、柄部４８の先端外周面から笠部５０の外周側への突出寸法と略同じかそれより大きな上下方向長さ領域にテーパ状部５２が形成されることが望ましい。   In addition, a portion close to the shade portion 50 on the projecting distal end side of the handle portion 48 is provided with a tapered portion 52 as a narrow handle portion whose outer peripheral shape is smaller than that of the base end portion. That is, in the tapered portion 52, the diameter dimension of the arc-shaped outer peripheral surface on both sides in the long axis direction of the cross section of the handle portion 48 is gradually reduced toward the shade portion 50. The formation length of the tapered portion 52 is not limited. However, the tapered portion 52 is tapered to a vertical length region that is substantially the same as or larger than the protruding dimension from the outer peripheral surface of the handle portion 48 to the outer peripheral side of the cap portion 50. It is desirable that the shaped part 52 is formed.

このようなテーパ状部５２が設けられていることにより、笠部５０を柄部４８側へ折り畳むように押し曲げた際に、柄部４８の外周面に重なるように弾性変形した笠部５０がテーパ状部５２へ入り込むことで、弾性変形した笠部５０の外径寸法を一層小さくすることが可能となっている。なお、テーパ状部５２は、柄部４８側に弾性変形した笠部５０の変形スペースを与えるものであり、例えば柄部４８の全周に亘って形成されていても良い。   By providing such a tapered portion 52, when the cap portion 50 is pushed and bent so as to be folded toward the handle portion 48, the cap portion 50 elastically deformed so as to overlap the outer peripheral surface of the handle portion 48 is provided. By entering the tapered portion 52, the outer diameter of the elastically deformed shade portion 50 can be further reduced. The tapered portion 52 provides a deformation space of the shade portion 50 that is elastically deformed toward the handle portion 48, and may be formed over the entire circumference of the handle portion 48, for example.

また、本実施形態では、笠部５０の裏面（図６の上面）は、外周縁部から柄部４８に向かって次第に柄部４８の基端側に突出する傾斜面５３とされており、上述のように笠部５０が柄部４８側に弾性変形した際に、笠部５０の裏面（傾斜面５３）が、柄部４８のテーパ状部５２の表面に沿い易くなっている。尤も、笠部５０の裏面は、柄部４８の軸直角方向に広がっていたり、中央側から外周縁部に向かって次第に柄部４８の基端側に突出する逆傾斜面とされていても良く、それによって、取付用台座１５への係止力を向上させることも可能である。   In the present embodiment, the back surface of the cap portion 50 (the upper surface in FIG. 6) is an inclined surface 53 that gradually protrudes from the outer peripheral edge portion toward the handle portion 48 toward the proximal end side of the handle portion 48. As described above, when the shade portion 50 is elastically deformed toward the handle portion 48, the back surface (inclined surface 53) of the shade portion 50 is easily along the surface of the tapered portion 52 of the handle portion 48. However, the back surface of the cap portion 50 may extend in the direction perpendicular to the axis of the handle portion 48, or may be a reverse inclined surface that gradually protrudes from the center side toward the outer peripheral edge portion toward the proximal end side of the handle portion 48. Thereby, it is possible to improve the locking force to the mounting base 15.

また一方、笠部５０の表面（図６の下面）は、外周縁部から中央に向かって次第に突出方向先端側に突出する傾斜案内面５４とされている。これにより、取付用台座１５の後述する嵌合孔６０への挿入作業の向上等が図られている。   On the other hand, the surface of the cap portion 50 (the lower surface in FIG. 6) is an inclined guide surface 54 that gradually protrudes from the outer peripheral edge portion toward the center in the protruding direction. Thereby, the improvement etc. of the insertion work to the fitting hole 60 mentioned later of the mounting base 15 are achieved.

一方、取付用台座１５は、硬質の合成樹脂や金属で形成されており、図８に示されているように、全体として略厚肉板状または矩形ブロック状の部材とされている。この取付用台座１５は、ブッシュ本体１４の底面形状と略同じ大きさの平面形状とされている。   On the other hand, the mounting base 15 is made of a hard synthetic resin or metal, and as shown in FIG. 8, the mounting base 15 is a member having a substantially thick plate shape or rectangular block shape as a whole. The mounting base 15 has a planar shape that is approximately the same size as the bottom surface of the bushing body 14.

また、取付用台座１５の上面の形状は、ブッシュ本体１４の下面の形状に略対応しており、取付用台座１５の上面における幅方向中央部分には、所定幅で軸方向に延びる平底状の嵌合凹部５６が設けられている。更にまた、取付用台座１５の上面の幅方向両端縁部には、嵌合凹部５６の両側壁をなして軸方向に延びる突条からなる位置決め突部５８，５８が設けられている。そして、嵌合凹部５６の幅方向両側における位置決め突部５８，５８との間は、滑らかに湾曲した段差面とされている。   Further, the shape of the upper surface of the mounting pedestal 15 substantially corresponds to the shape of the lower surface of the bushing main body 14, and a flat bottom shape extending in the axial direction with a predetermined width is formed at the center portion in the width direction on the upper surface of the mounting pedestal 15. A fitting recess 56 is provided. Furthermore, positioning protrusions 58, 58 formed of ridges extending in the axial direction on both side walls of the fitting recess 56 are provided at both edges in the width direction of the upper surface of the mounting base 15. And between the positioning protrusions 58, 58 on both sides in the width direction of the fitting recess 56, a step surface smoothly curved is formed.

これにより、取付用台座１５の上面には、ブッシュ本体１４が載置され、ブッシュ本体１４の重ね合わせ面２６が、略全体に亘って当接状態で重ね合わされるようになっている。   Thereby, the bush main body 14 is mounted on the upper surface of the mounting base 15, and the overlapping surface 26 of the bush main body 14 is overlapped in a contact state over substantially the whole.

さらに、取付用台座１５には、挿入突起４６と対応する位置で上面に開口して、下方に向かって延びる嵌合孔６０が形成されている。また、嵌合孔６０の形成部位では、取付用台座１５の下面に開口する座ぐり穴６１が形成されている。そして、座ぐり穴６１の内周形状が嵌合孔６０よりも大きくされていることで、座ぐり穴６１の上底面の略中央に位置して、嵌合孔６０の軸方向下側の開口が設けられている。なお、これら嵌合孔６０および座ぐり穴６１の横断面は、挿入突起４６と同様に長円または楕円からなる長円形状とされている。また、嵌合孔６０の大きさは、笠部５０より小さくされており、柄部４８と略同じか僅かに大きくされている。一方、座ぐり穴６１は、笠部５０より大きくされている。   Further, the mounting base 15 is formed with a fitting hole 60 that opens to the upper surface at a position corresponding to the insertion protrusion 46 and extends downward. Further, a counterbore 61 that opens on the lower surface of the mounting base 15 is formed at a portion where the fitting hole 60 is formed. Further, since the inner peripheral shape of the counterbore hole 61 is made larger than that of the fitting hole 60, it is located at the approximate center of the upper bottom surface of the counterbore hole 61, and the opening on the axially lower side of the fitting hole 60 Is provided. Note that the cross-sections of the fitting hole 60 and the counterbore hole 61 are in the shape of an ellipse consisting of an ellipse or an ellipse, like the insertion protrusion 46. The size of the fitting hole 60 is smaller than that of the cap portion 50 and is substantially the same as or slightly larger than that of the handle portion 48. On the other hand, the counterbore 61 is made larger than the cap portion 50.

また、取付用台座１５における嵌合孔６０の上方の開口縁部には、上方に向かって次第に拡開するテーパ面６４が設けられている。かかるテーパ面６４は、嵌合孔６０の周上で部分的であっても良いが、本実施形態では全周に亘って形成されている。   Further, a tapered surface 64 that gradually expands upward is provided at the opening edge of the mounting base 15 above the fitting hole 60. The tapered surface 64 may be partially on the circumference of the fitting hole 60, but is formed over the entire circumference in the present embodiment.

そして、取付用台座１５の上面にブッシュ本体１４が重ね合わされて、挿入突起４６の笠部５０が嵌合孔６０に押し通されて嵌合孔６０を下方に向けて通過せしめられることで、柄部４８が嵌合孔６０を貫通する状態で、挿入突起４６が嵌合孔６０に対して挿通される。これにより、嵌合孔６０を通過する際に押し縮められた笠部５０が、座ぐり穴６１内で広がって位置せしめられ、座ぐり穴６１の上底面である嵌合孔６０の下方の開口周縁部に当接して引っ掛かる係止作用により、挿入突起４６の嵌合孔６０から上方への引き抜きが阻止されるようになっている。   Then, the bush main body 14 is overlaid on the upper surface of the mounting base 15, and the cap portion 50 of the insertion protrusion 46 is pushed through the fitting hole 60 and is allowed to pass downward through the fitting hole 60. With the portion 48 penetrating the fitting hole 60, the insertion protrusion 46 is inserted into the fitting hole 60. As a result, the cap portion 50 compressed when passing through the fitting hole 60 is positioned so as to expand in the counterbore hole 61, and the opening below the fitting hole 60, which is the upper bottom surface of the counterbore hole 61. Due to the locking action that comes into contact with the peripheral edge and is caught, the insertion projection 46 is prevented from being pulled upward from the fitting hole 60.

すなわち、ブッシュ本体１４の挿入突起４６が取付用台座１５の嵌合孔６０への挿通状態に維持されることにより、ブッシュ本体１４が取付用台座１５に対して重ね合わされた組付状態に保持されるようになっている。なお、嵌合凸部３６および嵌合凹部５６の幅方向両側面がそれぞれ下傾する湾曲面とされていることから、ブッシュ本体１４が取付用台座１５の所定位置に滑らかに案内される。それに加えて、挿入突起４６の先端に傾斜案内面５４が設けられているとともに、嵌合孔６０の上方開口部にもテーパ面６４が設けられていることから、挿入突起４６が嵌合孔６０に案内され易くなっている。   In other words, the insertion protrusion 46 of the bushing body 14 is maintained in a state of insertion through the fitting hole 60 of the mounting base 15, so that the bushing body 14 is held in an assembled state superimposed on the mounting base 15. It has become so. Since both side surfaces in the width direction of the fitting convex portion 36 and the fitting concave portion 56 are curved surfaces that are inclined downward, the bushing body 14 is smoothly guided to a predetermined position of the mounting base 15. In addition, since the inclined guide surface 54 is provided at the tip of the insertion protrusion 46 and the tapered surface 64 is also provided in the upper opening portion of the fitting hole 60, the insertion protrusion 46 is inserted into the fitting hole 60. It is easy to be guided to.

ここにおいて、嵌合孔６０の上下方向寸法Ｔｄは、挿入突起４６における柄部４８の上下方向寸法Ｔｓよりも小さくされている。その結果、図１などにも示されているように、ブッシュ本体１４と取付用台座１５との組付状態では、嵌合孔６０に挿通された挿入突起４６の柄部４８の先端側（下端側）が座ぐり穴６１内に所定高さで突出されて、笠部５０が座ぐり穴６１内に収容状態で位置せしめられている。すなわち、ブッシュ本体１４と取付用台座１５との組付時には、笠部５０の裏面５３と、嵌合孔６０の開口端面である座ぐり穴６１の上底面とが、上下方向で相互に離隔している。したがって、ブッシュ本体１４と取付用台座１５との組付時には、上下方向での所定量の遊びが設定されており、挿入突起４６の嵌合孔６０への挿通状態を維持したままで、ブッシュ本体１４における取付用台座１５から離隔方向への相対変位が許容されるようになっている。   Here, the vertical dimension Td of the fitting hole 60 is smaller than the vertical dimension Ts of the handle 48 in the insertion protrusion 46. As a result, as shown in FIG. 1 and the like, in the assembled state of the bushing body 14 and the mounting base 15, the distal end side (lower end) of the handle portion 48 of the insertion protrusion 46 inserted through the fitting hole 60. And the cap portion 50 is positioned in the counterbore 61 in a housed state. That is, when the bushing body 14 and the mounting base 15 are assembled, the back surface 53 of the cap portion 50 and the upper bottom surface of the counterbore hole 61 that is the opening end surface of the fitting hole 60 are separated from each other in the vertical direction. ing. Therefore, when the bush body 14 and the mounting base 15 are assembled, a predetermined amount of play in the vertical direction is set, and the bush body is maintained while the insertion state of the insertion protrusion 46 into the fitting hole 60 is maintained. 14, the relative displacement in the direction away from the mounting base 15 is allowed.

また、ブッシュ本体１４の取付用台座１５への組付状態では、取付用台座１５の嵌合凹部５６にブッシュ本体１４の嵌合凸部３６が嵌め入れられており、挿入突起４６の嵌合孔６０への挿通による係止作用と相俟って、取付用台座１５とブッシュ本体１４とが相互に位置決めされている。すなわち、本実施形態のスタビライザブッシュ１０では、挿入突起４６の柄部４８や笠部５０が、嵌合孔６０や座ぐり穴６１と対応する非円形の横断面形状とされており、相対的な軸回り変位に際して挿入突起４６の外周面が嵌合孔６０や座ぐり穴６１の内周面に当たることで、軸回り変位が防止されている。また、挿入突起４６によってブッシュ本体１４と取付用台座１５との相対的な離隔変位が制限されていることから、ブッシュ本体１４と取付用台座１５との相対回転に際して嵌合凸部３６が嵌合凹部５６の両側段差へ当たることによっても、ブッシュ本体１４と取付用台座１５との相対回転が防止されている。   When the bushing body 14 is assembled to the mounting base 15, the fitting convex part 36 of the bushing body 14 is fitted into the fitting concave part 56 of the mounting base 15, and the fitting hole of the insertion protrusion 46 is fitted. The mounting pedestal 15 and the bushing body 14 are positioned relative to each other in combination with the locking action due to the insertion into 60. That is, in the stabilizer bush 10 of the present embodiment, the handle portion 48 and the cap portion 50 of the insertion protrusion 46 have a non-circular cross-sectional shape corresponding to the fitting hole 60 and the counterbore hole 61, and are relative to each other. When the outer peripheral surface of the insertion protrusion 46 hits the inner peripheral surface of the fitting hole 60 or the counterbore hole 61 during the axial displacement, the axial displacement is prevented. Further, since the relative separation displacement between the bush main body 14 and the mounting base 15 is limited by the insertion protrusion 46, the fitting convex portion 36 is fitted when the bush main body 14 and the mounting base 15 are rotated relative to each other. Relative rotation between the bushing body 14 and the mounting base 15 is also prevented by hitting the steps on both sides of the recess 56.

そして、スタビライザブッシュ１０がスタビライザバー１６に外挿状態で装着されるとともに、スタビライザブッシュ１０の外周締結面２４にブラケット１９が装着されて、ブラケット１９がサブフレーム１８などの車両ボデー側の部材にボルト６８などで固定されることにより、スタビライザバー１６が車両ボデー１８に対して防振支持されることとなる。なお、スタビライザブッシュ１０の高さ寸法をブラケット１９の高さ寸法より大きくすることなどにより、スタビライザブッシュ１０の車両装着時には、ブッシュ本体１４が軸直角方向で圧縮されるとともに、取付用台座１５の下面がサブフレーム１８の上面に対して押し付けられる。   The stabilizer bush 10 is attached to the stabilizer bar 16 in an extrapolated state, the bracket 19 is attached to the outer peripheral fastening surface 24 of the stabilizer bush 10, and the bracket 19 is bolted to a member on the vehicle body side such as the subframe 18. By fixing with 68 or the like, the stabilizer bar 16 is supported in an anti-vibration manner with respect to the vehicle body 18. When the stabilizer bush 10 is mounted on the vehicle by making the height of the stabilizer bush 10 larger than the height of the bracket 19, the bush body 14 is compressed in the direction perpendicular to the axis, and the lower surface of the mounting base 15. Is pressed against the upper surface of the subframe 18.

なお、ブラケット１９の構造は限定されるものではないが、例えば図１に示されているように、門形部材の開口両端部から一対の取付部７０，７０が外方に延び出す構造とされて、当該取付部７０，７０に設けられたボルト孔７２，７２にボルト６８，６８が螺着されることにより、ブラケット１９がサブフレーム１８などに固定される。   Although the structure of the bracket 19 is not limited, for example, as shown in FIG. 1, a pair of mounting portions 70, 70 extend outward from both ends of the opening of the portal member. Then, the bolts 68 and 68 are screwed into the bolt holes 72 and 72 provided in the mounting portions 70 and 70, whereby the bracket 19 is fixed to the subframe 18 or the like.

ここにおいて、スタビライザブッシュ１０のスタビライザバー１６への装着においては、図９に示されているように、スタビライザブッシュ１０の切割り３８を開いて拡開変形させることで内孔２０を外周面に開放して、スタビライザバー１６を側方から挟み込むことによってなされる。なお、スタビライザブッシュ１０とスタビライザバー１６は相互に接着されてもよいし、非接着とされてもよい。また、スタビライザブッシュ１０とスタビライザバー１６とが非接着とされる場合には、内孔２２に自己潤滑性を有する合成樹脂や潤滑剤などを介在又は塗布させて滑り性を向上させるなどしてもよい。   Here, when the stabilizer bush 10 is attached to the stabilizer bar 16, as shown in FIG. 9, the slits 38 of the stabilizer bush 10 are opened to be expanded and deformed to open the inner hole 20 to the outer peripheral surface. Then, the stabilizer bar 16 is sandwiched from the side. The stabilizer bush 10 and the stabilizer bar 16 may be bonded to each other or may not be bonded. Further, when the stabilizer bush 10 and the stabilizer bar 16 are not bonded, the slipperiness may be improved by interposing or applying a self-lubricating synthetic resin or lubricant to the inner hole 22. Good.

ところで、切割り３８を開いてブッシュ本体１４を弾性変形させた際、ブッシュ本体１４における切割り３８を挟んだ両側部分のそれぞれは、取付用台座１５の幅方向両端部分を中心として、図９中の白矢印の方向に外力が及ぼされる。一方、それに伴い、ブッシュ本体１４における内孔２０を挟んで切割り３８と反対側では、取付用台座１５に重ね合わされた底壁部４５に曲げモーメントが作用することとなり、底壁部４５の幅方向中間部分、特に内孔２０の中心が位置する直線Ｌ上では、図９中の白矢印の方向の力が及ぼされて取付用台座１５から浮き上がるように弾性変形せしめられる。   By the way, when the slit 38 is opened and the bush main body 14 is elastically deformed, both side portions of the bush main body 14 sandwiching the slit 38 are centered on both end portions in the width direction of the mounting base 15 in FIG. External force is exerted in the direction of the white arrow. On the other hand, a bending moment acts on the bottom wall portion 45 superimposed on the mounting base 15 on the opposite side of the slit 38 across the inner hole 20 in the bush main body 14, and the width of the bottom wall portion 45 is increased. A force in the direction of the white arrow in FIG. 9 is exerted on the middle portion in the direction, particularly on the straight line L where the center of the inner hole 20 is located, and is elastically deformed so as to float from the mounting base 15.

ここで、挿入突起４６の突出位置は、底壁部４５において曲げモーメントが大きくなって変位量が最も大きくなる直線Ｌ上から幅方向に外れている。それ故、図９に示されているように、ブッシュ本体１４の底壁部が浮き上がったとしても、挿入突起４６の突出位置におけるブッシュ本体１４の取付用台座１５からの浮き上がりは軽減されて、挿入突起４６が嵌合孔６０から抜け出すことが防止される。その結果、本実施形態のスタビライザブッシュ１０を採用することにより、ブッシュ本体１４をスタビライザバー１６に装着する際の、ブッシュ本体１４からの取付用台座１５の脱落が効果的に防止され得る。   Here, the protruding position of the insertion protrusion 46 deviates in the width direction from the straight line L where the bending moment becomes large and the displacement amount becomes the largest in the bottom wall portion 45. Therefore, as shown in FIG. 9, even when the bottom wall portion of the bushing body 14 is lifted, the lifting of the bushing body 14 from the mounting base 15 at the protruding position of the insertion protrusion 46 is reduced. The protrusion 46 is prevented from coming out of the fitting hole 60. As a result, by adopting the stabilizer bush 10 of the present embodiment, it is possible to effectively prevent the mounting base 15 from falling off from the bush body 14 when the bush body 14 is attached to the stabilizer bar 16.

特に、本実施形態では、挿入突起４６の全体が直線Ｌ上から外れており、挿入突起４６の突出位置がブッシュ本体１４の幅方向中央部分から大きく外れていることから、挿入突起４６の形成部分におけるブッシュ本体１４の取付用台座１５からの浮き上がりが一層効果的に防止され得る。   In particular, in the present embodiment, the entire insertion protrusion 46 is off from the straight line L, and the protruding position of the insertion protrusion 46 is greatly out of the central portion in the width direction of the bush body 14. The lifting of the bush main body 14 from the mounting base 15 can be more effectively prevented.

また、ブッシュ本体１４と取付用台座１５との組付状態において、笠部５０と嵌合孔６０との間に上下方向の遊びが設定されている。それ故、ブッシュ本体１４の幅方向中央部分が取付用台座から浮き上がっても、挿入突起４６の抜け出し方向への全体的な移動がある程度許容されて、挿入突起４６の嵌合孔６０への挿通状態が安定して維持され得る。   Further, in the assembled state of the bush main body 14 and the mounting base 15, vertical play is set between the cap portion 50 and the fitting hole 60. Therefore, even if the central portion in the width direction of the bushing body 14 is lifted from the mounting base, the entire movement of the insertion protrusion 46 in the withdrawal direction is allowed to some extent, and the insertion protrusion 46 is inserted into the fitting hole 60. Can be maintained stably.

しかも、前述のように、組付状態下でのブッシュ本体１４と取付用台座１５との相対回転が防止されることから、スタビライザブッシュ１０の装着時における面倒な位置合わせ作業が軽減され得る。   In addition, as described above, since the relative rotation between the bushing body 14 and the mounting base 15 in the assembled state is prevented, troublesome alignment work at the time of mounting the stabilizer bush 10 can be reduced.

また、挿入突起４６を嵌合孔６０へ挿通する作業時には、弾性変形した笠部５０が柄部４８のテーパ状部５２へ納まるように重ね合わされることで、挿入抵抗が軽減されて作業が容易となる。なお、挿入突起４６は複数設けても良いが、本実施形態では、一つの挿入突起４６が直線Ｌを挟んで幅方向一方の側に偏倚して設けられていることから、ブッシュ本体１４と取付用台座１５とを一層速やかに組み付けることが可能である。   Further, when inserting the insertion protrusion 46 into the fitting hole 60, the elastically deformed cap portion 50 is overlapped so as to be accommodated in the tapered portion 52 of the handle portion 48, thereby reducing the insertion resistance and facilitating the operation. It becomes. Although a plurality of insertion protrusions 46 may be provided, in the present embodiment, since one insertion protrusion 46 is provided biased to one side in the width direction across the straight line L, it is attached to the bush main body 14. It is possible to assemble the pedestal 15 more quickly.

更にまた、本実施形態では、スタビライザブッシュ１０のスタビライザバーへの組付時におけるブッシュ本体１４の弾性変形態様が中間板３９で安定して発現され得て、不用意な変形によるブッシュ本体１４の取付用台座１５からの離脱も回避される。尤も、本実施形態では、一対の分割板４０，４０の存在によって、切割り３８で拡開した際のブッシュ本体１４の弾性変形量が、底壁部４５の幅方向中央に集中して大きくなりやすいが、上述のように挿入突起４６が底壁部４５の幅方向中心から外れていることや、軸方向で遊びをもって嵌合孔６０へ挿通されていることにより、ブッシュ本体１４からの取付用台座１５の脱落が効果的に防止され得る。   Furthermore, in this embodiment, the elastic deformation mode of the bush main body 14 when the stabilizer bush 10 is assembled to the stabilizer bar can be stably expressed by the intermediate plate 39, and the bush main body 14 can be attached by inadvertent deformation. The separation from the pedestal 15 is also avoided. However, in this embodiment, due to the presence of the pair of dividing plates 40, 40, the amount of elastic deformation of the bushing body 14 when expanded by the cut 38 is concentrated and increased in the center of the bottom wall 45 in the width direction. Although easy, as described above, the insertion projection 46 is removed from the center in the width direction of the bottom wall portion 45, or is inserted into the fitting hole 60 with play in the axial direction. The dropout of the pedestal 15 can be effectively prevented.

以上、本発明の実施形態について説明してきたが、本発明はかかる実施形態における具体的な記載によって限定的に解釈されるものでなく、当業者の知識に基づいて種々なる変更、修正、改良などを加えた態様で実施可能である。   Although the embodiments of the present invention have been described above, the present invention is not limited to the specific descriptions in the embodiments, and various changes, modifications, improvements, and the like based on the knowledge of those skilled in the art. It is feasible in the form which added.

たとえば、前記実施形態では、切割り３８は、ブッシュ本体１４の内孔２０の中心を通る直線Ｌ上に位置していたが、限定されるものでない。すなわち、本発明によれば、切割りの位置に拘わらず、底壁部４５において幅方向両端を支点として中央部分が取付用台座１５から離隔する弾性変形時に、挿入突起４６に作用する取付用台座１５から離隔する方向の変位量や力が軽減されることで、ブッシュ本体１４の取付用台座１５からの意図しない脱落が抑えられる。尤も、ブッシュ本体１４における切割りは、取付用台座１５上には形成し難いし、取付用台座１５側の半周部分に設けた場合には底壁部４５に惹起される取付用台座１５から離隔方向の弾性変形も大きくならないことから、本発明では、ブッシュ本体における切割りが、周壁部２２における取付用台座１５とは反対側の半周部分に位置して設けられた態様が採用される。好適には、ブッシュ本体１４の周壁部２２において、図１中の直線Ｌに直交して中心軸上を左右に延びる径方向線よりも上方に外れた位置に切割りを設けた態様として本発明が実施されることとなる。   For example, in the above-described embodiment, the slit 38 is located on the straight line L passing through the center of the inner hole 20 of the bush body 14, but is not limited thereto. That is, according to the present invention, the mounting base that acts on the insertion protrusion 46 at the time of elastic deformation in which the central portion is separated from the mounting base 15 with the both ends in the width direction as fulcrums in the bottom wall portion 45 regardless of the position of cutting. By reducing the amount of displacement and the force in the direction away from 15, unintentional dropping of the bushing body 14 from the mounting base 15 can be suppressed. However, the cutting in the bushing body 14 is difficult to form on the mounting base 15, and is separated from the mounting base 15, which is caused by the bottom wall 45 when it is provided on the half circumference portion on the mounting base 15 side. Since the elastic deformation in the direction does not increase, the present invention employs a mode in which the cut in the bush main body is provided in a half-circumferential portion on the opposite side of the mounting base 15 in the peripheral wall portion 22. Preferably, in the peripheral wall portion 22 of the bush main body 14, the present invention is provided as a mode in which a cut is provided at a position that is perpendicular to the straight line L in FIG. Will be implemented.

また、切割り３８は、周壁部２２の長さ方向で傾斜して軸方向に延びていても良いし、中心軸の径方向線に対して傾斜して厚さ方向に伸びていても良い。   Further, the cut 38 may be inclined in the length direction of the peripheral wall portion 22 and extend in the axial direction, or may be inclined with respect to the radial line of the central axis and extended in the thickness direction.

更にまた、挿入突起４６は、直線Ｌに対して傾斜して突設されていても良い。特に挿入突起４６は、ブッシュ本体１４の底壁部４５からの突出位置とされる底壁部４５上の基端位置が、底壁部４５の幅方向（周方向）の中心から外れていれば良く、それによってブッシュ本体１４を切割り３８で開いて弾性変形させた際に挿入突起４６へ及ぼされる引張方向の変位量や力の軽減が図られ得る。なお、嵌合孔６０も、上下方向線に対して傾斜して延びる方向に形成されていても良い。   Furthermore, the insertion protrusion 46 may be provided so as to be inclined with respect to the straight line L. In particular, the insertion protrusion 46 has a base end position on the bottom wall portion 45, which is a protruding position from the bottom wall portion 45 of the bush body 14, deviates from the center in the width direction (circumferential direction) of the bottom wall portion 45. In this way, it is possible to reduce the amount of displacement and force in the tensile direction exerted on the insertion projection 46 when the bushing body 14 is opened by the slit 38 and elastically deformed. Note that the fitting hole 60 may also be formed in a direction extending with an inclination with respect to the vertical line.

また、前記実施形態では、スタビライザブッシュ１０の車両への装着状態で、挿入突起４６の全体が、取付用台座１５の嵌合孔６０や座ぐり穴６１と車両ボデー１８とによって画成された内部空間に収容されることで保護されていたが、例えば挿入突起４６の先端部分は外部に露出されるようになっていても良い。また、例えば車両ボデー１８側にスペースを確保できる場合には、座ぐり穴６１を設けることなく、取付用台座１５を貫通して嵌合孔６０を形成し、挿入突起４６の先端部分を取付用台座１５の下面から外部へ突出させることも可能である。   Further, in the above-described embodiment, when the stabilizer bush 10 is mounted on the vehicle, the entire insertion projection 46 is defined by the fitting hole 60 or the counterbore 61 of the mounting base 15 and the vehicle body 18. Although it was protected by being accommodated in the space, for example, the tip portion of the insertion protrusion 46 may be exposed to the outside. Further, for example, when a space can be secured on the vehicle body 18 side, the fitting hole 60 is formed through the mounting base 15 without providing the counterbore 61, and the distal end portion of the insertion protrusion 46 is used for mounting. It is also possible to protrude from the lower surface of the base 15 to the outside.

さらに、前記実施形態では、長円形状の横断面を有する挿入突起４６が一つ設けられていたが、例えば挿入突起が複数設けられることでブッシュ本体と取付用台座との相対回転を防止してもよく、かかる場合には、挿入突起の横断面が長円形状等とされる必要はない。また、ブッシュ本体１４と取付用台座１５との挿入突起４６回りの相対回転の規制を、ブッシュ本体１４と取付用台座１５との重ね合わせ面の幅方向両側に位置する段差３４，３４などを利用して実現することも可能であり、その場合にも、挿入突起４６と嵌合孔６０との相対回転の規制機構を採用せずとも両部材の不用意な相対回転を防止することができる。   Furthermore, in the above-described embodiment, one insertion protrusion 46 having an oval cross section is provided. However, for example, by providing a plurality of insertion protrusions, relative rotation between the bush body and the mounting base is prevented. In such a case, the cross section of the insertion protrusion does not need to be an oval shape. Further, the relative rotation of the bushing body 14 and the mounting base 15 around the insertion protrusion 46 is restricted by using the steps 34 and 34 located on both sides in the width direction of the overlapping surface of the bushing body 14 and the mounting base 15. In this case as well, inadvertent relative rotation of both members can be prevented without employing a mechanism for restricting relative rotation between the insertion protrusion 46 and the fitting hole 60.

また、挿入突起４６における笠部５０は、取付用台座１５の嵌合孔６０へ係止されるものであれば良く、例えば柄部４８の周上で部分的に外周側へ突出する態様や、柄部４８の先端がフック状に曲げられた態様の笠部なども採用可能である。尤も、本発明では、挿入突起と嵌合孔との機械的な係止機構に限定されるものでなく、挿入突起の嵌合孔からの抜け出しを阻止して嵌合状態に保持し得るものであれば、例えば圧入構造やテーパ嵌合構造なども係止機構に代えて採用することができる。   Moreover, the cap part 50 in the insertion protrusion 46 should just be latched by the fitting hole 60 of the mounting base 15, for example, the aspect which protrudes partially on the outer peripheral side on the periphery of the handle | pattern part 48, A shade portion in which the tip of the handle portion 48 is bent into a hook shape may be employed. However, the present invention is not limited to a mechanical locking mechanism between the insertion protrusion and the fitting hole, but can prevent the insertion protrusion from coming out of the fitting hole and hold the fitting state. If present, for example, a press-fitting structure or a taper fitting structure can be employed instead of the locking mechanism.

更にまた、本発明に係るブッシュ本体やブラケット、中間板の形状などは、要求される防振特性などに応じて適宜設定され得る。また、取付用台座の大きさなどは、採用される自動車の車種やグレードなどに応じて適宜変更可能であり、共通のブッシュ本体に対して複数種類の取付用台座を適用することも可能である。   Furthermore, the shape of the bush main body, the bracket, and the intermediate plate according to the present invention can be appropriately set according to the required vibration isolation characteristics. In addition, the size of the mounting base can be appropriately changed according to the type and grade of the automobile used, and a plurality of types of mounting bases can be applied to the common bush body. .

１０：スタビライザブッシュ、１４：ブッシュ本体、１５：取付用台座、１６：スタビライザバー、１８：サブフレーム（車両ボデー）、１９：ブラケット、２０：内孔、３８：切割り、３９：中間板、４６：挿入突起、４８：柄部、５０：笠部、５２：テーパ状部（細柄部）、６０：嵌合孔 10: Stabilizer bush, 14: Bush body, 15: Mounting base, 16: Stabilizer bar, 18: Subframe (vehicle body), 19: Bracket, 20: Inner hole, 38: Split, 39: Intermediate plate, 46 : Insertion protrusion, 48: Handle part, 50: Shade part, 52: Tapered part (fine handle part), 60: Fitting hole

Claims (6)

スタビライザバーが挿通される内孔を有する筒状のブッシュ本体において該内孔を外周面に開放させて該スタビライザバーへの側方からの装着を可能にする切割りが周壁部に設けられていると共に、該周壁部における車両ボデー側への重ね合わせ面上に取付用台座が組み付けられている台座付きのスタビライザブッシュにおいて、
前記ブッシュ本体における前記切割りが前記周壁部における前記取付用台座とは反対側の半周部分に位置して設けられている一方、
該ブッシュ本体の前記重ね合わせ面には、該取付用台座に向かって突出して該取付用台座に設けられた嵌合孔への係止作用で該ブッシュ本体を該取付用台座への組付状態に保持する挿入突起が設けられていると共に、
該ブッシュ本体の該重ね合わせ面において前記内孔の中心軸に直交する幅方向で該中心軸に対応するセンターを外れた位置から該挿入突起が突設されていることを特徴とするスタビライザブッシュ。 In the cylindrical bush main body having an inner hole through which the stabilizer bar is inserted, the peripheral wall portion is provided with a slit that opens the inner hole to the outer peripheral surface and enables mounting from the side to the stabilizer bar. In addition, in the stabilizer bush with a pedestal in which a mounting pedestal is assembled on the overlapping surface to the vehicle body side in the peripheral wall portion,
While the cutting in the bush body is provided in a half-circumferential portion on the opposite side of the mounting base in the peripheral wall portion,
Assembling state of the bush main body to the mounting base by the latching action to the fitting hole provided in the mounting base projecting toward the mounting base on the overlapping surface of the bush main body Is provided with an insertion protrusion to hold,
The stabilizer bush, wherein the insertion protrusion protrudes from a position off the center corresponding to the central axis in the width direction perpendicular to the central axis of the inner hole on the overlapping surface of the bush body. 前記挿入突起が、前記ブッシュ本体の前記重ね合わせ面から突出して前記取付用台座の前記嵌合孔へ挿通される柄部と、該柄部の先端側から広がって該取付用台座における該嵌合孔の開口周縁部に係止される笠部とを有していると共に、
該柄部における該笠部への近接部分において該柄部の基端側よりも細くされた細柄部が設けられている請求項１に記載のスタビライザブッシュ。 The insertion projection protrudes from the overlapping surface of the bush body and is inserted into the fitting hole of the mounting base, and the fitting on the mounting base spreads from the distal end side of the handle And having a cap portion that is locked to the opening periphery of the hole,
2. The stabilizer bush according to claim 1, wherein a thin handle portion that is thinner than a proximal end side of the handle portion is provided in a portion of the handle portion adjacent to the cap portion. 前記挿入突起が、前記ブッシュ本体の前記重ね合わせ面から突出して前記取付用台座の前記嵌合孔へ挿通される柄部と、該柄部の先端側から広がって該取付用台座における該嵌合孔の開口周縁部に係止される笠部とを有していると共に、
該柄部の長さが該嵌合孔の長さよりも大きくされている請求項１又は２に記載のスタビライザブッシュ。 The insertion projection protrudes from the overlapping surface of the bush body and is inserted into the fitting hole of the mounting base, and the fitting on the mounting base spreads from the distal end side of the handle And having a cap portion that is locked to the opening periphery of the hole,
The stabilizer bush according to claim 1 or 2, wherein a length of the handle portion is larger than a length of the fitting hole. 前記嵌合孔と前記挿入突起との各横断面が、相対回転により相互に当接される長円状断面とされている請求項１〜３の何れか１項に記載のスタビライザブッシュ。   The stabilizer bush of any one of Claims 1-3 in which each cross section of the said fitting hole and the said insertion protrusion is made into the elliptical cross section contact | abutted mutually by relative rotation. 前記ブッシュ本体の前記周壁部には、前記切割りを挟んだ周方向両側に位置して補強用の中間板が固着されている請求項１〜４の何れか１項に記載のスタビライザブッシュ。   The stabilizer bush according to any one of claims 1 to 4, wherein a reinforcing intermediate plate is fixed to the peripheral wall portion of the bushing body on both sides in the circumferential direction with the slit interposed therebetween. 前記ブッシュ本体の周壁部には、前記切割りを挟んだ周方向両側にそれぞれ半周以下の長さで広がる一対の前記中間板が配されていると共に、各該中間板の周方向両端縁部には外周側に向かって突出する端縁突起が一体形成されている請求項５に記載のスタビライザブッシュ。   The peripheral wall portion of the bush body is provided with a pair of intermediate plates that extend in a length equal to or less than a half circumference on both sides in the circumferential direction across the slit, and at both circumferential edges of the intermediate plates. The stabilizer bush according to claim 5, wherein edge projections projecting toward the outer peripheral side are integrally formed.
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Publication number Priority date Publication date Assignee Title
CN112963459A (en) * 2019-12-12 2021-06-15 株式会社Tsr Embedded bushing for transmission shaft coupling with high durability
WO2022149445A1 (en) * 2021-01-07 2022-07-14 住友電装株式会社 Connector holder

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Publication number Priority date Publication date Assignee Title
CN112963459A (en) * 2019-12-12 2021-06-15 株式会社Tsr Embedded bushing for transmission shaft coupling with high durability
WO2022149445A1 (en) * 2021-01-07 2022-07-14 住友電装株式会社 Connector holder

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