JP2008143376A - Method of manufacturing stabilizer bar with vibration control bush - Google Patents

Method of manufacturing stabilizer bar with vibration control bush Download PDF

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JP2008143376A
JP2008143376A JP2006333588A JP2006333588A JP2008143376A JP 2008143376 A JP2008143376 A JP 2008143376A JP 2006333588 A JP2006333588 A JP 2006333588A JP 2006333588 A JP2006333588 A JP 2006333588A JP 2008143376 A JP2008143376 A JP 2008143376A
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elastic body
stabilizer bar
rubber elastic
peripheral surface
pressurizing
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Michiharu Hikosaka
道治 彦坂
Koichi Kobayashi
功一 小林
Yasutaka Fukumoto
康孝 福本
Shinji Hayashi
真司 林
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Sumitomo Riko Co Ltd
Toyota Motor Corp
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Sumitomo Riko Co Ltd
Toyota Motor Corp
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  • Vibration Prevention Devices (AREA)
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a stabilizer bar with a vibration control bush by adhering a stabilizer bar for fixation, giving an advantage to the vibration control bush without being influenced by the unevenness of a diameter. <P>SOLUTION: A plurality of pressurizing bodies 40 and 42 are brought in contact with a projecting part 29 of a partition member 24 partitioning a main body rubber elastic body 16, and arranged with the projecting member 29 of the partition member 24 between them. On the other hand, after inserting the stabilizer bar 10 previously formed with an adhesive layer 78 into an inner hole 14 of the main body rubber elastic body 16, the plurality of pressurizing bodies 40 and 42 are made to come close to each other until positioning parts 60 and 72 formed in the pressurizing bodies 40 and 42 abut on the peripheral surface of the stabilizer bar 10, and the pressurizing bodies 40 and 42 pressurize the projecting part 29 of the partition member 24 so as to make the cylindrical rubber elastic body 16 brought in pressure-contact with the stabilizer bar 10 for adhesion. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、防振ブッシュ付スタビライザバーの製造方法に係り、特に、スタビライザバーを自動車等の車両のボデーやフレーム等に防振支持せしめるための防振ブッシュがスタビライザバーに取り付けられてなる防振ブッシュ付スタビライザバーの有利な製造方法に関するものである。   The present invention relates to a method of manufacturing a stabilizer bar with an anti-vibration bush, and in particular, an anti-vibration bush in which the anti-vibration bush for attaching the stabilizer bar to an anti-vibration body or frame of a vehicle such as an automobile is attached to the stabilizer bar. The present invention relates to an advantageous method of manufacturing a stabilizer bar with a bush.

この種の防振ブッシュ付スタビライザバーには、防振ブッシュが、軸方向に延びる内孔を有する筒状ゴム弾性体と、この筒状ゴム弾性体の外周面に固着されて、車体に取り付けられるブラケットとを有して構成され、スタビライザバーが、かかる防振ブッシュにおける筒状ゴム弾性体の内孔に挿通されて、その内孔の内周面に接着固定されてなる構造を有するものが、従来から知られている。   In this type of stabilizer bar with an anti-vibration bush, the anti-vibration bush is fixed to a cylindrical rubber elastic body having an inner hole extending in the axial direction and an outer peripheral surface of the cylindrical rubber elastic body, and is attached to the vehicle body. The bracket is configured, and the stabilizer bar is inserted into the inner hole of the cylindrical rubber elastic body in the vibration isolating bush, and has a structure in which the stabilizer bar is bonded and fixed to the inner peripheral surface of the inner hole. Conventionally known.

このような構造を有する防振ブッシュ付スタビライザバーにあっては、防振ブッシュの筒状ゴム弾性体の内孔にスタビライザバーが接着固定されているところから、車体への取付状態下でのスタビライザバーへの捻りの入力等により、スタビライザバーと筒状ゴム弾性体との間でスリップが生ずることが有利に解消され、以て、そのようなスリップに起因したスティックスリップ音等の異音の発生も効果的に防止され得るのである。   In the stabilizer bar with the vibration isolating bush having such a structure, the stabilizer bar is attached and fixed to the inner hole of the cylindrical rubber elastic body of the vibration isolating bush. The occurrence of slip between the stabilizer bar and the cylindrical rubber elastic body due to the input of torsion to the bar, etc., is advantageously eliminated, and hence the generation of abnormal noise such as stick-slip noise caused by such slip Can also be effectively prevented.

ところで、上記の如き従来の防振ブッシュ付スタビライザバーを製造する際には、一般に、筒状ゴム弾性体の内孔の内周面と、スタビライザバーにおける、ゴム弾性体の内孔に挿通されるべき部位の外周面のうちの少なくとも何れか一方に、接着剤を塗布した後、スタビライザバーを筒状ゴム弾性体の内孔に挿通し、その後、所定の加圧治具にて、筒状ゴム弾性体の外周面に固着されたブラケットを外側から加圧することにより、筒状ゴム弾性体の内孔の内周面を、かかる内孔に挿通されたスタビライザバーの挿通部位の外周面に圧接する作業が行われる。かくして、スタビライザバーが筒状ゴム弾性体の内孔の内周面に接着されて、目的とする防振ブッシュ付スタビライザバーが得られるようになる。   By the way, when manufacturing the conventional stabilizer bar with the vibration isolating bush as described above, generally, it is inserted into the inner peripheral surface of the inner hole of the cylindrical rubber elastic body and the inner hole of the rubber elastic body in the stabilizer bar. After applying an adhesive to at least one of the outer peripheral surfaces of the power region, the stabilizer bar is inserted into the inner hole of the cylindrical rubber elastic body, and then the cylindrical rubber is pressed with a predetermined pressing jig. By pressing the bracket fixed to the outer peripheral surface of the elastic body from the outside, the inner peripheral surface of the inner hole of the cylindrical rubber elastic body is pressed against the outer peripheral surface of the insertion portion of the stabilizer bar inserted through the inner hole. Work is done. Thus, the stabilizer bar is bonded to the inner peripheral surface of the inner hole of the cylindrical rubber elastic body, and the intended stabilizer bar with the vibration-proof bushing can be obtained.

しかしながら、そのような従来手法にて防振ブッシュ付スタビライザバーを製造する場合、筒状ゴム弾性体とスタビライザバーとを接着させるに際して、十分な接着力に基づいた優れた使用耐久性が得られるように、ブラケットが加圧治具にて大きな力で加圧されるため、そのときに、筒状ゴム弾性体が過度に圧縮され、それが原因で、筒状ゴム弾性体のばね特性が変化してしまう恐れがあった。   However, when manufacturing a stabilizer bar with an anti-vibration bush by such a conventional method, when the cylindrical rubber elastic body and the stabilizer bar are bonded, excellent use durability based on sufficient adhesive strength can be obtained. In addition, since the bracket is pressed with a large force by the pressurizing jig, the cylindrical rubber elastic body is excessively compressed at this time, which causes the spring characteristics of the cylindrical rubber elastic body to change. There was a fear.

かかる状況下、例えば、下記特許文献１には、筒状ゴム弾性体の軸直角方向中間部に、筒状ゴム弾性体を軸直角方向中間部よりも内周側の部分と外周側の部分とに仕切る、半割円筒体形状を呈する二つの仕切部材を埋設してなる防振ブッシュを用い、この防振ブッシュにおける筒状ゴム弾性体の内孔の内周面やスタビライザバーの外周面に接着剤を予め塗布した上で、かかる筒状ゴム弾性体の内孔にスタビライザバーを挿通し、その後、筒状ゴム弾性体の軸方向両側の端面から突出した各仕切部材の軸方向両端部を、それぞれ、加圧治具にて軸直角方向内方に加圧することにより、筒状ゴム弾性体の内孔の内周面をスタビライザバーの挿通部位の外周面に圧接して、接着するようにした防振ブッシュ付スタビライザバーの製造方法が、提案されている。   Under such circumstances, for example, in Patent Document 1 below, a cylindrical rubber elastic body is disposed at an inner peripheral portion and an outer peripheral portion of the cylindrical rubber elastic body with respect to the axial perpendicular direction intermediate portion. The anti-vibration bushing is formed by embedding two partition members with a half-cylindrical cylindrical shape, and is bonded to the inner peripheral surface of the inner hole of the cylindrical rubber elastic body and the outer peripheral surface of the stabilizer bar in the anti-vibration bush After applying the agent in advance, a stabilizer bar is inserted into the inner hole of the cylindrical rubber elastic body, and then both axial ends of each partition member projecting from both axial end surfaces of the cylindrical rubber elastic body are By pressurizing in the direction perpendicular to the axis with a pressurizing jig, the inner peripheral surface of the inner hole of the cylindrical rubber elastic body is brought into pressure contact with the outer peripheral surface of the insertion portion of the stabilizer bar to be bonded. Proposed method of manufacturing stabilizer bar with anti-vibration bush To have.

このような製造手法によれば、筒状ゴム弾性体とスタビライザバーとを接着させる際に、仕切部材が加圧治具にて大きな力で加圧されても、筒状ゴム弾性体のうち、仕切部材よりも内側に位置する内側ゴム部分のみが圧縮されて、それよりも外側に位置する外側ゴム部分は圧縮されることがなく、それによって、接着時における過度の圧縮による影響が、外側ゴム部分において生ずることが回避されて、筒状ゴム弾性体とスタビライザバーとの間の十分な接着力と、筒状ゴム弾性体における所望のばね特性の安定的な確保が図られているのである。   According to such a manufacturing method, when the cylindrical rubber elastic body and the stabilizer bar are bonded, even if the partition member is pressed with a large force by a pressurizing jig, Only the inner rubber part located inside the partition member is compressed, and the outer rubber part located outside it is not compressed, so that the influence of excessive compression during bonding is not affected by the outer rubber. Occurrence of this phenomenon is avoided, and sufficient adhesion between the cylindrical rubber elastic body and the stabilizer bar and stable securing of desired spring characteristics in the cylindrical rubber elastic body are achieved.

ところが、かくの如き従来の防振ブッシュ付スタビライザバーの製造方法について、本発明者等が詳細に検討したところ、以下に示す如き問題が内在していることが判明した。即ち、従来手法では、筒状ゴム弾性体から突出する各仕切部材の軸方向両端部を加圧治具にて加圧することにより、筒状ゴム弾性体の内孔の内周面をスタビライザバーの挿通部位の外周面に圧接して、接着せしめるようになっているものの、各仕切部材の軸方向両端部に対する加圧治具による加圧量が、何等規定されるものでないため、筒状ゴム弾性体とスタビライザバーとを接着させる際に、スタビライザバーの挿通部位の外周面に対する筒状ゴム弾性体の内孔の内周面の圧接量、換言すれば、仕切部材よりも内側に位置する内側ゴム部分の圧縮量を所望の量において均一と為すことが困難であった。それ故、実際には、筒状ゴム弾性体とスタビライザバーとの間の十分な接着力と、筒状ゴム弾性体における所望のばね特性を確保するには、加圧治具による加圧量を厳密に管理する面倒な作業が必要となっていたのである。   However, when the present inventors examined in detail about the manufacturing method of the conventional stabilizer bar with a vibration-proof bushing, it became clear that the following problems existed. That is, in the conventional method, the axial peripheral ends of each partition member protruding from the cylindrical rubber elastic body are pressed with a pressing jig, so that the inner peripheral surface of the inner hole of the cylindrical rubber elastic body is fixed to the stabilizer bar. Although it is designed to press and adhere to the outer peripheral surface of the insertion site, the amount of pressure applied by the pressure jig to the axial ends of each partition member is not specified at all, so the cylindrical rubber elasticity When the body and the stabilizer bar are bonded, the amount of pressure contact of the inner peripheral surface of the inner hole of the cylindrical rubber elastic body against the outer peripheral surface of the insertion portion of the stabilizer bar, in other words, the inner rubber positioned inside the partition member It was difficult to make the compression amount of the part uniform in a desired amount. Therefore, in practice, in order to ensure sufficient adhesion between the cylindrical rubber elastic body and the stabilizer bar and the desired spring characteristics of the cylindrical rubber elastic body, the amount of pressure applied by the pressing jig is The troublesome work of strictly managing was necessary.

一方、例えば、筒状ゴム弾性体の内孔に挿通されたスタビライザバーを間に挟んで位置せしめられた状態で、筒状ゴム弾性体の軸方向両側の端面から突出した二つの仕切部材の軸方向両端部の外周面にそれぞれ接触する二つの可動体と、それら二つの可動体を、仕切部材の軸直角方向において相互に接近移動させる移動機構とからなると共に、二つの可動体に対して、互いの接近方向に突出する位置決め突部がそれぞれ設けられて構成された加圧治具を用い、筒状ゴム弾性体とスタビライザバーとを接着させる際に、移動機構による二つの可動体の相互の接近移動により、各可動体の位置決め突部同士が互いに当接せしめられたときに、二つの可動体の接近移動を停止させて、スタビライザバーの挿通部位の外周面に対する筒状ゴム弾性体の内孔の内周面の圧接量を規定するようにした手法も、一部で採用されている。   On the other hand, for example, the shafts of the two partition members projecting from the end surfaces on both sides in the axial direction of the cylindrical rubber elastic body in a state where the stabilizer bar inserted through the inner hole of the cylindrical rubber elastic body is positioned therebetween. The two movable bodies that respectively contact the outer peripheral surfaces of the both ends in the direction, and a moving mechanism that moves the two movable bodies toward each other in the direction perpendicular to the axis of the partition member, and for the two movable bodies, When using a pressure jig that is provided with positioning protrusions that project in the approaching direction of each other, the cylindrical rubber elastic body and the stabilizer bar are bonded to each other by the moving mechanism. When the positioning protrusions of the movable bodies are brought into contact with each other due to the approaching movement, the approaching movement of the two movable bodies is stopped, and the cylindrical rubber elastic body with respect to the outer peripheral surface of the insertion portion of the stabilizer bar is stopped. Also a method which is adapted to define the pressure of the inner circumferential surface of the hole, has been adopted by some.

ところが、このような従来手法では、筒状ゴム弾性体の内孔に挿通されたスタビライザバーを間に挟んで位置せしめられた二つの可動体の接近移動の停止位置が、あくまでも、スタビライザバーの外径とは無関係に、二つの可動体の位置決め突部同士における互いの当接位置にて規定されるようになっているため、例えば、スタビライザバーの径が大きくなればなる程、スタビライザバーの挿通部位の外周面に対する筒状ゴム弾性体の内孔の内周面の圧接量が増大し、その反対に、スタビライザバーの径が小さくなればなる程、スタビライザバーの挿通部位の外周面に対する筒状ゴム弾性体の内孔の内周面の圧接量が減少するようになる。従って、かくの如き従来の防振ブッシュ付スタビライザバーの製造手法においては、最終製品における筒状ゴム弾性体とスタビライザバーとの間の接着力や、筒状ゴム弾性体のばね特性が、スタビライザバーの径のバラツキに大きく左右されるようになるといった問題点が、内在していたのである。   However, in such a conventional method, the stop position of the approaching movement of the two movable bodies that are positioned with the stabilizer bar inserted through the inner hole of the cylindrical rubber elastic body between them is only the outside of the stabilizer bar. Regardless of the diameter, the positioning protrusions of the two movable bodies are defined by their mutual contact positions. For example, the larger the diameter of the stabilizer bar, the more the stabilizer bar is inserted. The amount of pressure contact of the inner peripheral surface of the inner hole of the cylindrical rubber elastic body with the outer peripheral surface of the portion increases, and conversely, the smaller the diameter of the stabilizer bar, the more the cylindrical shape with respect to the outer peripheral surface of the insertion portion of the stabilizer bar The pressure contact amount of the inner peripheral surface of the inner hole of the rubber elastic body is reduced. Therefore, in the conventional method for manufacturing a stabilizer bar with a vibration-proof bush, the stabilizer bar has an adhesive force between the cylindrical rubber elastic body and the stabilizer bar in the final product and the spring characteristic of the cylindrical rubber elastic body. The problem of becoming greatly influenced by the variation in the diameter of the material was inherent.

特開２００６−１７０２５７号公報JP 2006-170257 A

ここにおいて、本発明は、上述せる如き事情を背景にして為されたものであって、その解決課題とするところは、防振ブッシュがスタビライザバーに取り付けられてなる防振ブッシュ付スタビライザバーを製造するに際して、防振ブッシュの筒状ゴム弾性体とスタビライザバーとの間の十分な接着力と、筒状ゴム弾性体における所望のばね特性とが、スタビライザバーの径のバラツキに左右されることなく、容易に且つ安定的に確保され得るようにした防振ブッシュ付スタビライザバーの有利な製造方法を提供することにある。   Here, the present invention has been made in the background as described above, and the problem to be solved is to manufacture a stabilizer bar with a vibration-proof bushing in which the vibration-proof bushing is attached to the stabilizer bar. In this case, the sufficient adhesive force between the cylindrical rubber elastic body of the vibration-proof bushing and the stabilizer bar and the desired spring characteristics of the cylindrical rubber elastic body are not affected by variations in the diameter of the stabilizer bar. Another object of the present invention is to provide an advantageous method of manufacturing a stabilizer bar with a vibration-proof bushing that can be secured easily and stably.

そして、本発明にあっては、かかる課題の解決のために、その要旨とするところは、軸方向に延びる内孔を有する筒状ゴム弾性体と、該筒状ゴム弾性体の外周面に固着されて、車体に取り付けられるブラケットと、該筒状ゴム弾性体の軸直角方向中間部に、該筒状ゴム弾性体を、軸直角方向中間部よりも内周側の部分と外周側の部分とに仕切るように埋設された分割筒体形状を呈する仕切部材の複数とを有して構成された防振ブッシュにおける該筒状ゴム弾性体の前記内孔にスタビライザバーが挿通されて、該防振ブッシュが、該スタビライザバーに対して、該筒状ゴム弾性体の内孔の内周面において接着固定されてなる防振ブッシュ付スタビライザバーを製造する方法であって、（ａ）前記複数の仕切部材が、周方向に互いに離間して位置せしめられると共に、それら各仕切部材の軸方向両側端部が、前記筒状ゴム弾性体の軸方向両側端面からそれぞれ突出する突出部とされた前記防振ブッシュを準備する工程と、（ｂ）前記複数の仕切部材のうち、周方向に互いに離間するものにおける前記突出部の外周面にそれぞれ接触して、それらの突出部を間に挟んだ挟持位置に配置された状態から相互に接近可能とされて、かかる相互の接近により、該突出部を軸直角方向内方に加圧する複数の加圧体と、該複数の加圧体の位置を該仕切部材の軸直角方向において相互に接近させる位置変更機構と、該複数の加圧体のうちの少なくとも何れか一つに設けられ、該位置変更機構による該複数の加圧体の前記挟持位置からの相互の接近により、他部材と当接せしめられることで、該複数の加圧体の接近停止位置を規定する位置決め部とを含んで構成された加圧治具を準備する工程と、（ｃ）前記筒状ゴム弾性体の内孔の内周面と、前記スタビライザバーにおける、該ゴム弾性体の内孔に挿通されるべき部位の外周面のうちの少なくとも何れか一方に、接着剤層を形成した後、該スタビライザバーを該筒状ゴム弾性体の内孔に挿通する工程と、（ｄ）前記加圧治具における前記複数の加圧体を前記挟持位置に配置した後、前記位置変更機構による該複数の加圧体の該挟持位置からの相互の接近を、前記位置決め部が前記筒状ゴム弾性体の内孔に挿通された前記スタビライザバーの外周面に当接するまで実施して、該加圧体が接触する前記突出部を該加圧体にて軸直角方向内方に加圧することにより、該筒状ゴム弾性体の内孔の内周面を、該スタビライザバーにおける該内孔への挿通部位の外周面に圧接して、接着する工程とを含むことを特徴とする防振ブッシュ付スタビライザバーの製造方法にある。   In the present invention, in order to solve such a problem, the gist of the present invention is to fix the cylindrical rubber elastic body having an axially extending inner hole and the outer peripheral surface of the cylindrical rubber elastic body. And a bracket attached to the vehicle body, and the cylindrical rubber elastic body at the middle portion in the direction perpendicular to the axis of the cylindrical rubber elastic body. A stabilizer bar is inserted into the inner hole of the cylindrical rubber elastic body in the vibration isolating bushing having a plurality of partition members each having a divided cylindrical shape embedded so as to be partitioned into the vibration isolating bush. A method of manufacturing a stabilizer bar with a vibration isolating bush, wherein the bush is bonded and fixed to the stabilizer bar on the inner peripheral surface of the inner hole of the cylindrical rubber elastic body, and (a) the plurality of partitions The members are spaced apart from each other in the circumferential direction A step of preparing the anti-vibration bush, wherein both end portions in the axial direction of the partition members are projecting portions respectively projecting from both end surfaces in the axial direction of the cylindrical rubber elastic body, and (b) Among the plurality of partition members, those that are spaced apart from each other in the circumferential direction are in contact with the outer peripheral surfaces of the protrusions, and can be approached from each other in a state where they are disposed at a sandwiching position with the protrusions interposed therebetween. Thus, due to the mutual approach, a plurality of pressure bodies that pressurize the protrusions in the direction perpendicular to the axis, and a position change that causes the positions of the plurality of pressure bodies to approach each other in the direction perpendicular to the axis of the partition member Provided in at least one of the mechanism and the plurality of pressure bodies, and brought into contact with other members by the mutual approach of the plurality of pressure bodies from the clamping position by the position changing mechanism The plurality of additional A step of preparing a pressurizing jig configured to include a positioning portion that defines an approach stop position of the body, (c) an inner peripheral surface of the inner hole of the cylindrical rubber elastic body, and the stabilizer bar, A step of inserting the stabilizer bar into the inner hole of the cylindrical rubber elastic body after forming an adhesive layer on at least one of the outer peripheral surfaces of the portions to be inserted into the inner hole of the rubber elastic body And (d) after the plurality of pressure bodies in the pressure jig are arranged at the clamping position, the positioning of the plurality of pressure bodies from the clamping position by the position changing mechanism is determined by the positioning Until the projecting portion comes into contact with the outer peripheral surface of the stabilizer bar inserted through the inner hole of the cylindrical rubber elastic body. The inner circumferential surface of the inner hole of the cylindrical rubber elastic body And a method of manufacturing a stabilizer bar with an anti-vibration bush, comprising the step of press-contacting and adhering to an outer peripheral surface of a portion of the stabilizer bar that is inserted into the inner hole.

なお、この本発明に従う防振ブッシュ付スタビライザバーの製造手法の好ましい態様の一つによれば、前記位置決め部が、前記複数の加圧体のうちの少なくとも何れか一つに対して、それら複数の加圧体における前記相互の接近方向に突出する突起状形態を有して設けられる一方、該複数の加圧体が前記挟持位置に配置されたときに、該位置決め部が設けられた該加圧体が接触する前記仕切部材の前記突出部に、該位置決め部が挿通可能な切欠部が設けられて、前記位置変更機構による該複数の加圧体の前記挟持位置からの相互の接近により、該位置決め部が、該切欠部を挿通して、前記スタビライザバーの外周面に当接せしめられるように構成される。   According to one of the preferred embodiments of the method for manufacturing the stabilizer bar with the vibration-proof bush according to the present invention, the positioning portion is provided with respect to at least one of the plurality of pressurizing bodies. The pressurizing body is provided with a protruding shape protruding in the direction of mutual approach, and the positioning portion is provided when the plurality of pressurizing bodies are arranged at the clamping position. A notch part through which the positioning part can be inserted is provided in the projecting part of the partition member in contact with a pressure body, and due to mutual approach from the clamping positions of the plurality of pressure bodies by the position changing mechanism, The positioning portion is configured to be inserted through the cutout portion and brought into contact with the outer peripheral surface of the stabilizer bar.

また、本発明手法の望ましい態様の一つによれば、前記複数の仕切部材が、円弧状の断面形状を有して、前記筒状ゴム弾性体の内孔と同軸的に位置せしめられると共に、前記加圧体における該仕切部材の前記突出部との接触面が、円弧面とされる。   Further, according to one of the desirable embodiments of the method of the present invention, the plurality of partition members have an arc-shaped cross-sectional shape and are positioned coaxially with the inner hole of the cylindrical rubber elastic body, A contact surface of the pressure member with the protruding portion of the partition member is an arc surface.

さらに、本発明手法の望ましい他の態様の一つによれば、前記加圧体の三つ以上のものが、前記挟持位置に配置された状態から、前記位置変更機構により、前記筒状ゴム弾性体の内孔の軸心に向かって変位せしめられることで、相互に接近させられるように構成される。   Furthermore, according to one of the other desirable aspects of the method of the present invention, the cylindrical rubber elastic member is moved by the position changing mechanism from a state where three or more of the pressurizing bodies are arranged at the clamping position. By being displaced toward the axial center of the body's inner hole, it is configured to be brought close to each other.

更にまた、本発明手法の好適な別の態様の一つによれば、前記加圧治具が、前記複数の加圧体を収容して、支持する収容孔を備えた支持体を更に含んで構成されると共に、該支持体の収容孔の内周面が、軸方向の一方側から他方側に向かって次第に大径化するテーパ面形状とされる一方、該複数の加圧体のそれぞれが、該支持体の収容孔の内周面形状に対応したテーパ面の周方向の一部分からなる外周面を有して構成され、そして、該複数の加圧体が前記挟持位置に配置された状態から、前記位置変更機構により、該支持体の軸方向一方側への変位と、該加圧体の軸方向他方側への変位のうちの少なくとも何れか一方の変位が行われて、該支持体の前記収容体の内周面と該加圧体の外周面とが相互に摺動せしめられることによって、前記筒状ゴム弾性体の内孔の軸心に向かって移動させられるように構成される。   Furthermore, according to one of the other preferable aspects of the method of the present invention, the pressing jig further includes a support having a receiving hole for receiving and supporting the plurality of pressing bodies. The inner peripheral surface of the accommodation hole of the support body is formed into a tapered surface shape that gradually increases in diameter from one side in the axial direction to the other side, while each of the plurality of pressure bodies is A state in which the outer peripheral surface is formed of a portion of the tapered surface in the circumferential direction corresponding to the shape of the inner peripheral surface of the accommodation hole of the support body, and the plurality of pressure bodies are disposed at the clamping position. From the above, the position changing mechanism causes at least one of the displacement of the support body to one side in the axial direction and the displacement of the pressure body to the other side in the axial direction. The inner peripheral surface of the container and the outer peripheral surface of the pressure member are slid relative to each other, whereby the cylindrical shape Configured to be moved toward the axis of the bore of the arm elastic body.

そしてまた、前記せる課題の解決のために、本発明にあっては、軸方向に延びる内孔を有する筒状ゴム弾性体と、該筒状ゴム弾性体の外周面に固着されて、車体に取り付けられるブラケットと、該筒状ゴム弾性体の軸直角方向中間部に、該筒状ゴム弾性体を、軸直角方向中間部よりも内周側の部分と外周側の部分とに仕切るように埋設された分割筒体形状を呈する仕切部材の複数とを有して構成された防振ブッシュにおける該筒状ゴム弾性体の前記内孔にスタビライザバーが挿通されて、該防振ブッシュが、該スタビライザバーに対して、該筒状ゴム弾性体の内孔の内周面において接着固定されてなる防振ブッシュ付スタビライザバーを製造する方法であって、（ａ）前記複数の仕切部材が、周方向に互いに離間して位置せしめられると共に、それら各仕切部材の軸方向両側端部が、前記筒状ゴム弾性体の軸方向両側端面からそれぞれ突出する突出部とされた前記防振ブッシュを準備する工程と、（ｂ）前記複数の仕切部材のうち、周方向に互いに離間するものにおける前記突出部の外周面にそれぞれ接触して、それらの突出部を間に挟んだ挟持位置に配置された状態から相互に接近可能とされて、かかる相互の接近により、該突出部を軸直角方向内方に加圧する複数の加圧体と、該複数の加圧体を該仕切部材の軸直角方向において相互に接近させる位置変更機構とを含んで構成された加圧治具を準備する工程と、（ｃ）前記筒状ゴム弾性体の内孔の内周面と、前記スタビライザバーにおける、該ゴム弾性体の内孔に挿通されるべき部位の外周面のうちの少なくとも何れか一方に、接着剤層を形成した後、該スタビライザバーを該筒状ゴム弾性体の内孔に挿通する工程と、（ｄ）前記加圧治具における前記複数の加圧体を前記挟持位置に配置した後、前記位置変更機構による該複数の加圧体の該挟持位置からの相互の接近を、該加圧体にて軸直角方向内方に加圧される前記突出部を備えた前記仕切部材の内周面の一部が、前記筒状ゴム弾性体の内孔に挿通された前記スタビライザバーの外周面に当接するまで実施して、該突出部を該加圧体にて加圧することにより、該筒状ゴム弾性体の内孔の内周面を、該スタビライザバーにおける該内孔への挿通部位の外周面に圧接して、接着する工程とを含むことを特徴とする防振ブッシュ付スタビライザバーの製造方法をも、その要旨とするものである。   In order to solve the above problem, in the present invention, a cylindrical rubber elastic body having an axially extending inner hole and an outer peripheral surface of the cylindrical rubber elastic body are fixed to the vehicle body. The cylindrical rubber elastic body is embedded in the bracket and the intermediate portion in the direction perpendicular to the axial direction of the cylindrical rubber elastic body so as to partition the inner peripheral portion and the outer peripheral portion of the intermediate portion in the axial perpendicular direction. A stabilizer bar is inserted into the inner hole of the cylindrical rubber elastic body in the vibration isolating bush configured to have a plurality of partition members having a divided cylindrical body shape, and the vibration isolating bush includes the stabilizer. A method of manufacturing a stabilizer bar with an anti-vibration bush that is bonded and fixed to an inner peripheral surface of an inner hole of the cylindrical rubber elastic body with respect to a bar, wherein (a) the plurality of partition members are arranged in a circumferential direction. Are positioned apart from each other A step of preparing the vibration isolating bushes in which both end portions in the axial direction of each partition member project from the both end surfaces in the axial direction of the cylindrical rubber elastic body; and (b) the plurality of partition members. Of the protrusions that are spaced apart from each other in the circumferential direction, and contact with each other from the state where the protrusions are sandwiched between the protrusions. A plurality of pressurizing bodies that pressurize the protrusions in the direction perpendicular to the axis when approaching each other, and a position changing mechanism that causes the plurality of pressurizing bodies to approach each other in the direction perpendicular to the axis of the partition member. And (c) an inner peripheral surface of the inner hole of the cylindrical rubber elastic body, and an outer periphery of a portion of the stabilizer bar to be inserted into the inner hole of the rubber elastic body. On at least one of the faces, After forming the adhesive layer, a step of inserting the stabilizer bar into the inner hole of the cylindrical rubber elastic body, and (d) after arranging the plurality of pressure bodies in the pressure jig at the clamping position An inner portion of the partition member having the protruding portion that is pressed inward in the direction perpendicular to the axis by the pressurizing member so that the pressurizing members approach each other from the holding position of the plurality of pressurizing members by the position changing mechanism. By carrying out until a part of the peripheral surface comes into contact with the outer peripheral surface of the stabilizer bar inserted through the inner hole of the cylindrical rubber elastic body, and pressurizing the protruding portion with the pressure body, A stabilizer bar with an anti-vibration bush including a step of pressing and bonding an inner peripheral surface of an inner hole of a cylindrical rubber elastic body to an outer peripheral surface of an insertion portion of the stabilizer bar into the inner hole This manufacturing method is also the gist thereof.

さらに、本発明手法の他の好ましい態様の一つによれば、前記準備される防振ブッシュにおける前記仕切部材の前記突出部が、前記ブラケットにおける前記筒状ゴム弾性体の固着部位の軸方向両側端面から、それぞれ突出せしめられることとなる。   Furthermore, according to one of the other preferable aspects of the method of the present invention, the protruding portions of the partition member in the prepared vibration-proof bushing are axially opposite sides of the fixing portion of the cylindrical rubber elastic body in the bracket. It will be made to project from the end face.

そして、本発明にあっては、スタビライザバーに対する防振ブッシュの有利な取付方法に係る課題の解決のために、その要旨とするところは、軸方向に延びる内孔を有する筒状ゴム弾性体と、該筒状ゴム弾性体の外周面に固着されて、車体に取り付けられるブラケットと、該筒状ゴム弾性体の軸直角方向中間部に、該筒状ゴム弾性体を、軸直角方向中間部よりも内周側の部分と外周側の部分とに仕切るように埋設された分割筒体形状を呈する仕切部材の複数とを有して構成された防振ブッシュにおける該筒状ゴム弾性体の前記内孔にスタビライザバーを挿通して、該内孔の内周面において該スタビライザバーに接着固定することにより、該スタビライザバーに対して該防振ブッシュを取り付ける方法であって、（ａ）前記複数の仕切部材が、周方向に互いに離間して位置せしめられると共に、それら各仕切部材の軸方向両側端部が、前記筒状ゴム弾性体の軸方向両側端面からそれぞれ突出する突出部とされた前記防振ブッシュを準備する工程と、（ｂ）前記複数の仕切部材のうち、周方向に互いに離間するものにおける前記突出部の外周面にそれぞれ接触して、それらの突出部を間に挟んだ挟持位置に配置された状態から相互に接近可能とされて、かかる相互の接近により、該突出部を軸直角方向内方に加圧する複数の加圧体と、該複数の加圧体の位置を該仕切部材の軸直角方向において相互に接近させる位置変更機構と、該複数の加圧体のうちの少なくとも何れか一つに設けられ、該位置変更機構による該複数の加圧体の前記挟持位置からの相互の接近により、他部材と当接せしめられることで、該複数の加圧体の接近停止位置を規定する位置決め部とを含んで構成された加圧治具を準備する工程と、（ｃ）前記筒状ゴム弾性体の内孔の内周面と、前記スタビライザバーにおける、該ゴム弾性体の内孔に挿通されるべき部位の外周面のうちの少なくとも何れか一方に、接着剤層を形成した後、該スタビライザバーを該筒状ゴム弾性体の内孔に挿通する工程と、（ｄ）前記加圧治具における前記複数の加圧体を前記挟持位置に配置した後、前記位置変更機構による該複数の加圧体の該挟持位置からの相互の接近を、前記位置決め部が前記筒状ゴム弾性体の内孔に挿通された前記スタビライザバーの外周面に当接するまで実施して、該加圧体が接触する前記突出部を該加圧体にて軸直角方向内方に加圧することにより、該筒状ゴム弾性体の内孔の内周面を、該スタビライザバーにおける該内孔への挿通部位の外周面に圧接して、接着する工程とを含むことを特徴とするスタビライザバーに対する防振ブッシュの取付方法にある。   And, in the present invention, in order to solve the problem relating to the advantageous mounting method of the vibration isolating bushing to the stabilizer bar, the gist thereof is a cylindrical rubber elastic body having an inner hole extending in the axial direction. The cylindrical rubber elastic body is fixed to the outer peripheral surface of the cylindrical rubber elastic body and attached to the vehicle body, and the cylindrical rubber elastic body is inserted into the middle portion of the cylindrical rubber elastic body in the direction perpendicular to the axis from the middle portion in the direction perpendicular to the axis. The inner part of the cylindrical rubber elastic body in the vibration isolating bushing having a plurality of partition members each having a divided cylindrical shape embedded so as to be divided into an inner peripheral part and an outer peripheral part. A method of attaching the anti-vibration bush to the stabilizer bar by inserting a stabilizer bar through the hole and adhering and fixing the stabilizer bar to the stabilizer bar on the inner peripheral surface of the inner hole. The partition member The anti-vibration bushing is prepared in which both end portions in the axial direction of the partition members are protruded from both end surfaces in the axial direction of the cylindrical rubber elastic body. And (b) a state in which, among the plurality of partition members, those that are spaced apart from each other in the circumferential direction are in contact with the outer peripheral surfaces of the protrusions, and are arranged in a clamping position with the protrusions interposed therebetween A plurality of pressure bodies that pressurize the protrusions in the direction perpendicular to the axis by the mutual approach, and positions of the plurality of pressure bodies are perpendicular to the axis of the partition member. In the position change mechanism for making them approach each other in at least one of the plurality of pressure bodies, due to the mutual approach from the clamping position of the plurality of pressure bodies by the position change mechanism, Abutting against other members A step of preparing a pressurizing jig including a positioning portion that defines an approach stop position of the plurality of pressurizing bodies, and (c) an inner hole of the cylindrical rubber elastic body An adhesive layer is formed on at least one of a peripheral surface and an outer peripheral surface of a portion of the stabilizer bar to be inserted into an inner hole of the rubber elastic body, and then the stabilizer bar is attached to the cylindrical rubber. A step of inserting into the inner hole of the elastic body; and (d) the plurality of pressure bodies in the pressure jig after the plurality of pressure bodies are arranged at the clamping position, and the clamping positions of the plurality of pressure bodies by the position changing mechanism. The positioning portion is brought into contact with the outer peripheral surface of the stabilizer bar inserted through the inner hole of the cylindrical rubber elastic body, and the projecting portion with which the pressurizing body comes into contact is made. By pressurizing in the direction perpendicular to the axis with a pressurizing body, the cylindrical shape Mounting the anti-vibration bushing on the stabilizer bar, comprising the step of pressing and bonding the inner peripheral surface of the inner hole of the rubber elastic body to the outer peripheral surface of the portion inserted into the inner hole of the stabilizer bar Is in the way.

そしてまた、本発明にあっては、スタビライザバーに対する防振ブッシュの有利な取付方法に係る課題の解決のために、軸方向に延びる内孔を有する筒状ゴム弾性体と、該筒状ゴム弾性体の外周面に固着されて、車体に取り付けられるブラケットと、該筒状ゴム弾性体の軸直角方向中間部に、該筒状ゴム弾性体を、軸直角方向中間部よりも内周側の部分と外周側の部分とに仕切るように埋設された分割筒体形状を呈する仕切部材の複数とを有して構成された防振ブッシュにおける該筒状ゴム弾性体の前記内孔にスタビライザバーを挿通して、該内孔の内周面において該スタビライザバーに接着固定することにより、該スタビライザバーに対して該防振ブッシュを取り付ける方法であって、（ａ）前記複数の仕切部材が、周方向に互いに離間して位置せしめられると共に、それら各仕切部材の軸方向両側端部が、前記筒状ゴム弾性体の軸方向両側端面からそれぞれ突出する突出部とされた前記防振ブッシュを準備する工程と、（ｂ）前記複数の仕切部材のうち、周方向に互いに離間するものにおける前記突出部の外周面にそれぞれ接触して、それらの突出部を間に挟んだ挟持位置に配置された状態から相互に接近可能とされて、かかる相互の接近により、該突出部を軸直角方向内方に加圧する複数の加圧体と、該複数の加圧体を該仕切部材の軸直角方向において相互に接近させる位置変更機構とを含んで構成された加圧治具を準備する工程と、（ｃ）前記筒状ゴム弾性体の内孔の内周面と、前記スタビライザバーにおける、該ゴム弾性体の内孔に挿通されるべき部位の外周面のうちの少なくとも何れか一方に、接着剤層を形成した後、該スタビライザバーを該筒状ゴム弾性体の内孔に挿通する工程と、（ｄ）前記加圧治具における前記複数の加圧体を前記挟持位置に配置した後、前記位置変更機構による該複数の加圧体の該挟持位置からの相互の接近を、該加圧体にて軸直角方向内方に加圧される前記突出部を備えた前記仕切部材の内周面の一部が、前記筒状ゴム弾性体の内孔に挿通された前記スタビライザバーの外周面に当接するまで実施して、該突出部を該加圧体にて加圧することにより、該筒状ゴム弾性体の内孔の内周面を、該スタビライザバーにおける該内孔への挿通部位の外周面に圧接して、接着する工程とを含むことを特徴とするスタビライザバーに対する防振ブッシュの取付方法をも、その要旨とするものである。   In addition, in the present invention, in order to solve the problem relating to the advantageous mounting method of the vibration isolating bush to the stabilizer bar, a cylindrical rubber elastic body having an inner hole extending in the axial direction, and the cylindrical rubber elasticity A bracket fixed to the outer peripheral surface of the body and attached to the vehicle body, and a portion of the cylindrical rubber elastic body on the inner peripheral side with respect to the intermediate portion in the direction perpendicular to the axis, A stabilizer bar is inserted into the inner hole of the cylindrical rubber elastic body in an anti-vibration bush having a plurality of partition members each having a divided cylindrical shape embedded so as to be partitioned into a portion on the outer peripheral side. The vibration isolating bushing is attached to the stabilizer bar by bonding and fixing to the stabilizer bar on the inner peripheral surface of the inner hole, and (a) the plurality of partition members are arranged in the circumferential direction. Separated from each other And (b) preparing the vibration-proof bushing that is positioned, and in which both end portions in the axial direction of each partition member are projecting portions respectively projecting from both end surfaces in the axial direction of the cylindrical rubber elastic body. Among the plurality of partition members, those that are spaced apart from each other in the circumferential direction are in contact with the outer peripheral surface of the protruding portion, and are accessible from each other in a state of being sandwiched between the protruding portions. Then, by such mutual approach, a plurality of pressure bodies that pressurize the protrusions in the direction perpendicular to the axis, and a position change mechanism that causes the plurality of pressure bodies to approach each other in the direction perpendicular to the axis of the partition member And (c) the inner peripheral surface of the inner hole of the cylindrical rubber elastic body, and the inner hole of the rubber elastic body in the stabilizer bar. Of the outer surface of the part to be After forming an adhesive layer on at least one of them, the step of inserting the stabilizer bar into the inner hole of the cylindrical rubber elastic body, and (d) the plurality of pressure bodies in the pressure jig After the arrangement at the clamping position, the protrusions that are pressed inwardly in the direction perpendicular to the axis by the pressure bodies are arranged so that the plurality of pressure bodies are moved closer to each other by the position changing mechanism. It is carried out until a part of the inner peripheral surface of the provided partition member comes into contact with the outer peripheral surface of the stabilizer bar inserted through the inner hole of the cylindrical rubber elastic body, and the protruding portion is used as the pressurizing body. And pressurizing the inner peripheral surface of the inner hole of the cylindrical rubber elastic body to the outer peripheral surface of the insertion portion of the stabilizer bar to the inner hole, and bonding them. The gist of the mounting method of the anti-vibration bush to the stabilizer bar The

すなわち、本発明に従う防振ブッシュ付スタビライザバーの製造方法は、防振ブッシュとして、筒状ゴム弾性体を、その内周側の部分と外周側の部分とに仕切る、分割筒体形状を呈する複数の仕切部材が、筒状ゴム弾性体の軸直角方向中間部に、周方向に互いに離間位置せしめられるように埋設されてなる構造の筒状ゴム弾性体を用い、そして、この防振ブッシュにおける筒状ゴム弾性体の内孔の内周面やスタビライザバーの外周面に接着剤を予め塗布した上で、かかる筒状ゴム弾性体の内孔にスタビライザバーを挿通し、その後、筒状ゴム弾性体の軸方向両側の端面から突出した各仕切部材の軸方向両端部からなる突出部を、それぞれ、加圧治具にて軸直角方向内方に加圧することにより、筒状ゴム弾性体の内孔の内周面をスタビライザバーの挿通部位の外周面に圧接して、接着するようにしたものである。そのため、筒状ゴム弾性体とスタビライザバーとを接着させる際に、仕切部材が加圧治具にて大きな力で加圧されても、筒状ゴム弾性体のうちの仕切部材よりも内周側の部分のみが圧縮されて、それよりも外周側の部分は、何等圧縮されることがなく、それによって、接着時における過度の圧縮による影響が、外側ゴム部分において生ずることが、有利に回避され得る。   That is, the method of manufacturing a stabilizer bar with a vibration isolating bush according to the present invention includes a plurality of split cylindrical body shapes that divide a cylindrical rubber elastic body into an inner peripheral portion and an outer peripheral portion as the anti-vibration bush. The partition member of the cylindrical rubber elastic body uses a cylindrical rubber elastic body having a structure embedded in the middle of the cylindrical rubber elastic body so as to be spaced apart from each other in the circumferential direction. An adhesive is applied in advance to the inner peripheral surface of the inner hole of the cylindrical rubber elastic body and the outer peripheral surface of the stabilizer bar, and then the stabilizer bar is inserted into the inner hole of the cylindrical rubber elastic body, and then the cylindrical rubber elastic body The cylindrical rubber elastic body inner hole is formed by pressurizing the projecting portions composed of both end portions in the axial direction of the partition members projecting from the end surfaces on both sides in the axial direction with the pressurizing jig inward in the direction perpendicular to the axial direction. Stabilizer bar Pressed against the outer peripheral surface of the insertion site, it is obtained so as to adhere. Therefore, when the cylindrical rubber elastic body and the stabilizer bar are bonded, even if the partition member is pressed with a large force by a pressurizing jig, the inner peripheral side of the partition rubber member of the cylindrical rubber elastic body Only the part of the outer rubber part is compressed, and the part on the outer peripheral side is not compressed at all, thereby advantageously avoiding the influence of excessive compression at the time of adhesion on the outer rubber part. obtain.

そして、本発明手法では、特に、筒状ゴム弾性体とスタビライザバーとを接着させる際に、加圧治具の位置変更機構による複数の加圧体の相互の接近により、それら複数の加圧体のうちの少なくとも何れか一つに設けられた位置決め部が、筒状ゴム弾性体の内孔に挿通されたスタビライザバーの外周面に当接したときに、各加圧体の相互の接近が停止せしめられて、スタビライザバーの挿通部位の外周面に対する筒状ゴム弾性体の内孔の内周面の圧接量が規定され得るようになっている。   In the method of the present invention, in particular, when the cylindrical rubber elastic body and the stabilizer bar are bonded together, the plurality of pressurizing bodies are caused by the close proximity of the plurality of pressurizing bodies by the position changing mechanism of the pressurizing jig. When the positioning portion provided in at least one of the two abuts against the outer peripheral surface of the stabilizer bar inserted through the inner hole of the cylindrical rubber elastic body, the close proximity of the pressure bodies stops. Thus, the pressure contact amount of the inner peripheral surface of the inner hole of the cylindrical rubber elastic body with respect to the outer peripheral surface of the insertion portion of the stabilizer bar can be defined.

それ故、かかる本発明手法においては、筒状ゴム弾性体とスタビライザバーとを接着させる際に、加圧治具による加圧に伴って、スタビライザバーの挿通部位の外周面に圧接される筒状ゴム弾性体の内孔の内周面の圧接量が、筒状ゴム弾性体の内孔に挿通されたスタビライザバーの径の大きさとは関係なく、しかも、加圧治具による加圧量を厳密に管理することもなしに、一定の大きさと為され得る。   Therefore, in the method of the present invention, when the cylindrical rubber elastic body and the stabilizer bar are bonded, the cylindrical shape is pressed against the outer peripheral surface of the insertion portion of the stabilizer bar as the pressure is applied by the pressing jig. The pressure contact amount of the inner peripheral surface of the inner hole of the rubber elastic body is not related to the size of the diameter of the stabilizer bar inserted into the inner hole of the cylindrical rubber elastic body, and the amount of pressure applied by the pressing jig is strictly It can be made a certain size without managing it.

従って、かくの如き本発明に従う防振ブッシュ付スタビライザバーの製造方法によれば、防振ブッシュの筒状ゴム弾性体とスタビライザバーとの間の十分な接着力と、筒状ゴム弾性体における所望のばね特性とが、スタビライザバーの径のバラツキに左右されることなく、また加圧治具による加圧量を厳密に管理する面倒な作業を何等行うこともなしに、容易に且つ安定的に確保され得るのであり、その結果として、所望の防振性能乃至は特性と使用耐久性に優れた品質性能とを兼備した防振ブッシュ付スタビライザバーが、極めて有利に製造され得ることとなるのである。   Therefore, according to the method of manufacturing a stabilizer bar with a vibration isolating bush according to the present invention as described above, a sufficient adhesion force between the cylindrical rubber elastic body of the vibration isolating bush and the stabilizer bar, and a desired in the cylindrical rubber elastic body. The spring characteristics of this are not affected by the variation in the diameter of the stabilizer bar, and easily and stably without any troublesome work to strictly control the amount of pressure applied by the pressure jig. As a result, a stabilizer bar with an anti-vibration bush that combines desired vibration-proof performance or quality performance with excellent characteristics and durability can be manufactured extremely advantageously. .

また、本発明に従う防振ブッシュ付スタビライザバーの製造方法において、筒状ゴム弾性体とスタビライザバーとを接着させる際に、複数の仕切部材の突出部に接触した複数の加圧体の相互の接近により、かかる加圧体にて加圧される突出部を備えた仕切部材の内周面の一部が、筒状ゴム弾性体の内孔に挿通されるスタビライザバーの外周面に当接したときに、各加圧体の相互の接近が停止せしめられて、スタビライザバーの挿通部位の外周面に対する筒状ゴム弾性体の内孔の内周面の圧接量が規定され得る構成が採用される場合にあっても、上記せる優れた作用・効果が、同様に享受され得る。   Further, in the method of manufacturing the stabilizer bar with the vibration-proof bush according to the present invention, when the cylindrical rubber elastic body and the stabilizer bar are bonded, the plurality of pressurizing bodies that are in contact with the protruding portions of the plurality of partition members are mutually approached. Accordingly, when a part of the inner peripheral surface of the partition member provided with the protruding portion pressed by the pressurizing body comes into contact with the outer peripheral surface of the stabilizer bar inserted into the inner hole of the cylindrical rubber elastic body In addition, when the approach of each pressurizing body is stopped, and the pressure contact amount of the inner peripheral surface of the inner hole of the cylindrical rubber elastic body with respect to the outer peripheral surface of the insertion portion of the stabilizer bar is adopted, Even in this case, the excellent actions and effects described above can be enjoyed in the same manner.

そして、かかる本発明手法によれば、特に、複数の仕切部材の突出部に接触した複数の加圧体の相互の接近に伴って、それら各仕切部材よりも内周側に位置する筒状ゴム弾性体の内周側部分が徐々に圧縮変形せしめられ、そうした上で、仕切部材の内周面の一部が、筒状ゴム弾性体の内孔に挿通されたスタビライザバーの外周面に当接されるようになる。そのため、スタビライザバーの外周面への仕切部材の当接時に生ずる衝撃力が、十分に小さく為され得、それによって、スタビライザバーと仕切部材との当接時に、衝突音が生ずることや、スタビライザバーの外周面に塗膜層が形成されている場合において、かかる塗膜層が、仕切部材の当接によって剥離するようなことが、可及的に解消乃至は抑制され得ることとなる。   And according to this method of the present invention, in particular, as the plurality of pressurizing bodies that are in contact with the protruding portions of the plurality of partition members approach each other, the cylindrical rubber is located on the inner peripheral side of the partition members. The inner peripheral portion of the elastic body is gradually compressed and deformed, and then a part of the inner peripheral surface of the partition member abuts on the outer peripheral surface of the stabilizer bar inserted through the inner hole of the cylindrical rubber elastic body. Will come to be. Therefore, the impact force generated when the partition member comes into contact with the outer peripheral surface of the stabilizer bar can be made sufficiently small, so that a collision noise is generated when the stabilizer bar and the partition member are brought into contact, and the stabilizer bar. In the case where a coating layer is formed on the outer peripheral surface, it is possible to eliminate or suppress as much as possible that the coating layer peels off due to the contact of the partition member.

また、上記せるスタビライザバーに対する防振ブッシュの取付方法によれば、スタビライザバーの径のバラツキに左右されることなく、また加圧治具による加圧量を厳密に管理する面倒な作業を何等行うこともなしに、防振ブッシュの筒状ゴム弾性体とスタビライザバーとの間の十分な接着力と、筒状ゴム弾性体における所望のばね特性とを、容易に且つ安定的に確保しつつ、防振ブッシュをスタビライザバーに取り付けることが出来、その結果として、所望の防振性能乃至は特性と使用耐久性に優れた品質性能とを兼備した防振ブッシュ付スタビライザバーを、極めて有利に得ることが可能となるのである。   Further, according to the above-described method of attaching the vibration isolating bush to the stabilizer bar, the troublesome work of strictly managing the amount of pressurization by the pressurizing jig is performed regardless of the variation in the diameter of the stabilizer bar. Of course, while ensuring sufficient adhesive force between the cylindrical rubber elastic body of the anti-vibration bush and the stabilizer bar and desired spring characteristics in the cylindrical rubber elastic body easily and stably, The anti-vibration bush can be attached to the stabilizer bar. As a result, the stabilizer bar with the anti-vibration bush that combines the desired anti-vibration performance or quality performance with excellent characteristics and durability is obtained extremely advantageously. Is possible.

以下、本発明を更に具体的に明らかにするために、本発明の構成について、図面を参照しつつ、詳細に説明することとする。   Hereinafter, in order to clarify the present invention more specifically, the configuration of the present invention will be described in detail with reference to the drawings.

先ず、図１には、本発明手法に従って製造された防振ブッシュ付スタビライザバーの一例として、自動車のスタビライザブッシュがスタビライザバーに取り付けられてなるスタビライザブッシュ付スタビライザバーが、その正面形態において、概略的に示されている。かかる図１から明らかなように、本実施形態のスタビライザブッシュ付スタビライザバーは、所定長さを有する金属の丸棒からなるスタビライザバー１０を有しており、かかるスタビライザバー１０の軸方向両端側部位に、防振ブッシュとしてのスタビライザブッシュ１２が、それぞれ一つずつ位置固定に取り付けられて、構成されている。   First, FIG. 1 schematically shows, as an example of a stabilizer bar with an anti-vibration bush manufactured according to the method of the present invention, a stabilizer bar with a stabilizer bush in which a stabilizer bush of an automobile is attached to the stabilizer bar. Is shown in As is clear from FIG. 1, the stabilizer bar with the stabilizer bush of the present embodiment has a stabilizer bar 10 made of a metal round bar having a predetermined length, and both axial end portions of the stabilizer bar 10. In addition, a stabilizer bush 12 as an anti-vibration bush is attached to each position fixedly.

そして、このようなスタビライザブッシュ付スタビライザバーにあっては、図１に明示されてはいないものの、従来と同様に、スタビライザバー１０が、軸方向両端部において、例えば、自動車のサスペンションアームに固定される一方、各スタビライザブッシュ１２が、それに設けられるボルト挿通孔１３に挿通された固定ボルトにて、自動車のフレーム等に固定され、以て、自動車に対して防振的に支持されるようになっている。   In such a stabilizer bar with a stabilizer bush, the stabilizer bar 10 is fixed to, for example, a suspension arm of an automobile at both ends in the axial direction as in the prior art, although not explicitly shown in FIG. On the other hand, each stabilizer bush 12 is fixed to a vehicle frame or the like by a fixing bolt inserted through a bolt insertion hole 13 provided therein, and is thus supported in a vibration-proof manner with respect to the vehicle. ing.

ところで、スタビライザバー１０に取り付けられるスタビライザブッシュ１２は、図２及び図３に示される如く、全体として、略厚肉円筒形状を呈し、スタビライザバー１０が挿通される内孔１４が、軸方向に延びるように設けられた、筒状ゴム弾性体としての本体ゴム弾性体１６と、かかる本体ゴム弾性体１６の外周面に固着されて、車体に取り付けられるブラケット１８とを備えた、従来と同様な基本構造を有している。   By the way, as shown in FIGS. 2 and 3, the stabilizer bush 12 attached to the stabilizer bar 10 has a substantially thick cylindrical shape as a whole, and the inner hole 14 through which the stabilizer bar 10 is inserted extends in the axial direction. And a base rubber elastic body 16 as a cylindrical rubber elastic body, and a bracket 18 fixed to the outer peripheral surface of the main body rubber elastic body 16 and attached to the vehicle body. It has a structure.

より具体的には、スタビライザブッシュ１２の本体ゴム弾性体１６は、径方向において略半分ずつに二分されるように、周上の二箇所で分割されて、半円に満たない横断面形状を有する略半割円筒状の第一分割ゴム２０と第二分割ゴム２２とにて構成されている。また、それら二つの分割ゴム２０，２２の内部には、仕切部材２４が、それぞれ一つずつ埋設されている。この仕切部材２４は、第一及び第二の各分割ゴム２０，２２（本体ゴム弾性体１６）よりも十分に薄肉で、且つそれら各分割ゴム２０，２２に比して、所定寸法大きな内径と、僅かに小さな周方向長さと、所定寸法大きな軸方向長さとを備えた、半円に満たない横断面形状を呈する分割円筒金具にて、構成されている。   More specifically, the main rubber elastic body 16 of the stabilizer bush 12 is divided at two locations on the circumference so as to be divided in half in the radial direction, and has a cross-sectional shape less than a semicircle. The first divided rubber 20 and the second divided rubber 22 are formed in a substantially half-divided cylindrical shape. In addition, one partition member 24 is embedded in each of the two divided rubbers 20 and 22. The partition member 24 is sufficiently thinner than the first and second divided rubbers 20 and 22 (main rubber elastic body 16), and has an inner diameter that is larger by a predetermined dimension than the divided rubbers 20 and 22. It is composed of a divided cylindrical metal fitting having a slightly smaller circumferential length and a predetermined axial dimension longer than the semicircular shape.

そして、そのような二つの仕切部材２４が、各分割ゴム２０，２２の内部における軸直角方向中間部において、それらと同軸上で、互いに周方向に所定距離を隔て、且つ軸方向両側端部を各分割ゴム２０，２２の軸方向両側端面から所定長さだけ突出させるように配置されている。そうして、各分割ゴム２０，２２、ひいては本体ゴム弾性体１６を、軸直角方向中間部よりも内周側に位置する内側ゴム部２６と、それよりも外周側に位置する外側ゴム部２８とに仕切るように、埋設されているのである。なお、ここでは、仕切部材２４と各分割ゴム２０，２２（本体ゴム弾性体１６）との内径同士の差が、それらの外径同士の差よりも十分に小さくされており、それによって、内側ゴム部２６の肉厚が、外側ゴム部２８の肉厚よりも十分に薄くされている。また、各分割ゴム２０，２２（本体ゴム弾性体１６）の軸方向両側端面から突出する仕切部材２４の軸方向両側端部が、それぞれ突出部２９とされており、更に、かかる突出部２９は、内側ゴム部２６や外側ゴム部２８から一体に延びる薄肉のゴム膜にて、全体が被覆されている。   And such two partition members 24 are axially perpendicular to each other in the divided rubbers 20 and 22, and are coaxially spaced from each other at a predetermined distance in the circumferential direction, with both end portions in the axial direction. It arrange | positions so that only the predetermined length may protrude from the axial direction both end surface of each division | segmentation rubber | gum 20,22. Thus, each of the divided rubbers 20 and 22 and the main rubber elastic body 16 is divided into an inner rubber portion 26 positioned on the inner peripheral side with respect to the middle portion in the direction perpendicular to the axis, and an outer rubber portion 28 positioned on the outer peripheral side with respect to the inner rubber portion. It is buried so that it can be divided. Here, the difference between the inner diameters of the partition member 24 and each of the divided rubbers 20 and 22 (main rubber elastic body 16) is made sufficiently smaller than the difference between the outer diameters thereof, whereby the inner side The thickness of the rubber part 26 is sufficiently thinner than the thickness of the outer rubber part 28. Further, both axial end portions of the partition member 24 protruding from both axial end surfaces of the divided rubbers 20 and 22 (main rubber elastic body 16) are respectively protruding portions 29, and the protruding portions 29 are The whole is covered with a thin rubber film integrally extending from the inner rubber portion 26 and the outer rubber portion 28.

一方、ブラケット１８は、略半割円筒形状を呈する第一分割金具３０と第二分割金具３２とにて構成されている。また、かかる第一及び第二の各分割金具３０，３２における周方向の両側端部の外周面には、径方向外方に所定高さ突出し且つ全長に亘って連続して延びる外フランジ部３４が、平板状の全体形状をもって、それぞれ一体的に形成されている。更に、それら各外フランジ部３４には、ブラケット１８を自動車のボデーに取り付けるためのボルトが挿通されるボルト挿通孔１３が、それぞれ板厚方向において穿設されている。   On the other hand, the bracket 18 is composed of a first divided metal fitting 30 and a second divided metal fitting 32 each having a substantially half-divided cylindrical shape. Further, outer flange portions 34 projecting a predetermined height radially outward and continuously extending over the entire length on the outer peripheral surfaces of both end portions in the circumferential direction of the first and second divided metal fittings 30 and 32. However, they are integrally formed with a flat plate-like overall shape. Further, each of the outer flange portions 34 is formed with a bolt insertion hole 13 through which a bolt for attaching the bracket 18 to the body of the automobile is inserted in the plate thickness direction.

そして、このブラケット１８の第一分割金具３０が、それぞれの内周面において、第一分割ゴム２０の外周面に加硫接着されている一方、第二分割金具３２が、その内周面において、第二分割ゴム２２に加硫接着されている。また、そのような第一分割ゴム２０の外周面に第一分割金具３０が加硫接着された第一の一体加硫成形品３６と、第二分割ゴム２２の外周面に第二分割金具３２が加硫接着された第二の一体加硫成形品３８とが、各分割金具３０，３２のボルト挿通孔１３同士を互いに対応させ、且つそれら各分割金具３０，３２のそれぞれの分割面を相互に当接させるように組み付けられており、それによって、第一及び第二分割金具３０，３２の内側で、第一分割ゴム２０と第二分割ゴム２２とが互いに組み付けられて、円筒状の本体ゴム弾性体１６が、構成されている。   The first divided metal fitting 30 of the bracket 18 is vulcanized and bonded to the outer peripheral surface of the first divided rubber 20 on each inner peripheral surface, while the second divided metal fitting 32 is on the inner peripheral surface thereof. The second divided rubber 22 is vulcanized and bonded. Further, the first integral vulcanized molded product 36 in which the first divided metal fitting 30 is vulcanized and bonded to the outer circumferential surface of the first divided rubber 20, and the second divided metal fitting 32 on the outer circumferential surface of the second divided rubber 22. And the second integral vulcanized molded product 38 to which the vulcanized adhesive is bonded, the bolt insertion holes 13 of the divided metal fittings 30 and 32 correspond to each other, and the divided surfaces of the divided metal fittings 30 and 32 are mutually connected. So that the first divided rubber 20 and the second divided rubber 22 are assembled to each other inside the first and second divided metal fittings 30 and 32 to form a cylindrical main body. A rubber elastic body 16 is configured.

そして、ここでは、そのような本体ゴム弾性体１６の内孔１４内に、スタビライザバー１０が挿通されて、かかる内孔１４の内周面に接着固定されることで、第一の一体加硫成形品３６と第二の一体加硫成形品３８とが、スタビライザバー１０を介して一体化され、以て、スタビライザブッシュ１２が、それら第一の一体加硫成形品３６と第二の一体加硫成形品３８との一体組付品として構成されると共に、スタビライザバー１０に対して、位置固定に取り付けられている（図１参照）。またそうして、かかる取付構造にて、スタビライザブッシュ１２の二つが、スタビライザバー１０の軸方向両側端部にそれぞれ取り付けられることで、本実施形態のスタビライザブッシュ付スタビライザバーが構成されているのである。   In this case, the stabilizer bar 10 is inserted into the inner hole 14 of the main rubber elastic body 16 and bonded and fixed to the inner peripheral surface of the inner hole 14, so that the first integral vulcanization is performed. The molded product 36 and the second integral vulcanized molded product 38 are integrated via the stabilizer bar 10, so that the stabilizer bush 12 is integrated with the first integrated vulcanized molded product 36 and the second integral vulcanized molded product 36. It is configured as an integral assembly with the sulfur molded product 38 and is fixedly attached to the stabilizer bar 10 (see FIG. 1). In addition, in this mounting structure, the two stabilizer bushes 12 are respectively attached to both ends of the stabilizer bar 10 in the axial direction, so that the stabilizer bar with the stabilizer bush of this embodiment is configured. .

而して、かくの如き構造とされたスタビライザブッシュ付スタビライザバーは、上記せるように、スタビライザバー１０が、軸方向両側端部において、二つのスタビライザブッシュ１２，１２における各本体ゴム弾性体１６の内孔１４内にそれぞれ挿通されて、接着固定されることによって製造されることとなるが、その際には、例えば、以下の如き構造を有する加圧治具が、好適に用いられる。   Thus, in the stabilizer bar with stabilizer bush having such a structure, as described above, the stabilizer bar 10 has the main rubber elastic body 16 of the two stabilizer bushes 12 and 12 at the axially opposite ends. It is manufactured by being inserted into the inner hole 14 and bonded and fixed. In this case, for example, a pressure jig having the following structure is preferably used.

すなわち、ここで用いられる加圧治具は、図４及び図５に示されるように、金属製の第一加圧体４０と第二加圧体４２とを有している。そして、それら二つの加圧体４０，４２は、何れも、基板部４４，４６を一つずつ、それに加圧部４８，５０を二つずつ、更に一体的に有して、構成されている。   That is, the pressurizing jig used here has a metal first pressurizing body 40 and a second pressurizing body 42 as shown in FIGS. 4 and 5. And these two pressurization bodies 40 and 42 are each comprised by having the board | substrate parts 44 and 46 one by one, and also having the pressurization parts 48 and 50 in it, and two more integrally. .

この第一加圧体４０における基板部４４は、全体として、長手矩形の厚肉平板形態を呈しており、その上面の長さ方向両側端部における幅方向中央部には、締付ボルト５２が、それぞれ一つずつ、一体的に立設されている。また、基板部４４の上面のうち、二つの締付ボルト５２，５２のそれぞれの形成部位から長さ方向中央側に所定量だけ偏寄した二つの部位には、丸棒状の挿通ピン５４が、締付ボルト５２よりも所定寸法短い長さで、それぞれ一つずつ、一体的に立設されている。   The substrate portion 44 in the first pressurizing body 40 has a thick rectangular flat plate shape as a whole, and fastening bolts 52 are provided at the center in the width direction at both longitudinal end portions of the upper surface. , One by one, standing up together. In addition, a round bar-shaped insertion pin 54 is formed in two portions of the upper surface of the base plate portion 44 that are offset by a predetermined amount from the respective formation portions of the two fastening bolts 52, 52 in the longitudinal direction. Each of the bolts is erected integrally with a length shorter than the fastening bolt 52 by a predetermined dimension.

さらに、第一加圧体４０における二つの加圧部４８，４８は、全体として、基板部４４よりも小さな矩形平板状の同一形状を有している。そして、それら各加圧部４８が、基板部４４における二つの挿通ピン５４の形成部位に挟まれた長さ方向中央部の両側側面のそれぞれに対して、基板部４４と同様な厚さと、締付ボルト５２や挿通ピン５４よりも低い高さとをもって、互いに対向して上方に延び出すように一体形成されている。   Furthermore, the two pressurizing parts 48 in the first pressurizing body 40 have the same shape of a rectangular flat plate smaller than the substrate part 44 as a whole. Then, each of the pressurizing portions 48 has a thickness similar to that of the substrate portion 44 and a tightening force on each of both side surfaces of the central portion in the length direction sandwiched between the formation portions of the two insertion pins 54 in the substrate portion 44. They are integrally formed so as to extend upwardly facing each other with a height lower than that of the attached bolt 52 and the insertion pin 54.

また、それら各加圧部４８には、上端面における長さ方向（図４の左右方向）の中央部のうち、幅方向（図５の左右方向）の中心よりも各加圧部４８の対向方向内側に偏寄した部分に、円弧状の切欠部５６が設けられている。この切欠部５６は、内周面が、スタビライザバー１０に取り付けられるべきスタビライザブッシュ１２の本体ゴム弾性体１６の両側端面から突出する仕切部材２４の突出部２９の外周面形状に略対応した円弧状の加圧面５８とされている。   Further, each of the pressurizing portions 48 is opposed to each pressurizing portion 48 from the center in the width direction (left-right direction in FIG. 5) of the central portion in the length direction (left-right direction in FIG. 4) on the upper end surface. An arc-shaped cutout portion 56 is provided at a portion offset inward in the direction. The cutout portion 56 has an arc shape whose inner peripheral surface substantially corresponds to the outer peripheral surface shape of the protruding portion 29 of the partition member 24 protruding from both end surfaces of the main rubber elastic body 16 of the stabilizer bush 12 to be attached to the stabilizer bar 10. The pressurizing surface 58.

さらに、各加圧部４８の上端部には、幅方向における切欠部５６とは反対側部分に、一段低くされた段差部が設けられ、そして、この段差部の長さ方向の中央部に、略矩形の位置決め突部６０が、上方に所定高さで突出するように一体形成されている。また、この位置決め突部６０の先端面は、位置決め突部６０の突出方向に対して直角な方向（水平方向）に広がる平坦面からなる接触面６２とされている。   Further, the upper end of each pressurizing part 48 is provided with a stepped part that is lowered by one step on the side opposite to the notch part 56 in the width direction, and at the center part in the length direction of this stepped part, A substantially rectangular positioning protrusion 60 is integrally formed so as to protrude upward at a predetermined height. The front end surface of the positioning protrusion 60 is a contact surface 62 formed of a flat surface extending in a direction (horizontal direction) perpendicular to the protruding direction of the positioning protrusion 60.

そして、ここでは、特に、この位置決め突部６０の突出高さ（図４にｈ1 で示される寸法）が、スタビライザバー１０への取付前のスタビライザブッシュ１２における本体ゴム弾性体１６の内孔１４の内周面から仕切部材２４の突出部２９の外周面までの高さ（図３にｈ2 で示される寸法）よりも所定寸法だけ小さくされている。なお、本実施形態においては、仕切部材２４の突出部２９の外周面が、外側ゴム部２８から一体に延びる薄肉のゴム膜にて被覆されているため、本体ゴム弾性体１６の内孔１４の内周面から仕切部材２４の突出部２９の外周面までの高さ：ｈ2 が、第二分割ゴム２２の内側ゴム部２６の肉厚と、仕切部材２４の突出部２９の肉厚とを合計した寸法に、かかる突出部２９の外周面を被覆する薄肉のゴム膜の肉厚を更に加算した寸法とされている。 Here, in particular, the protrusion height of the positioning protrusion 60 (the dimension indicated by h 1 in FIG. 4) is the inner hole 14 of the main rubber elastic body 16 in the stabilizer bush 12 before being attached to the stabilizer bar 10. The height from the inner peripheral surface to the outer peripheral surface of the protruding portion 29 of the partition member 24 (the dimension indicated by h 2 in FIG. 3) is set to a predetermined dimension. In the present embodiment, since the outer peripheral surface of the protruding portion 29 of the partition member 24 is covered with a thin rubber film integrally extending from the outer rubber portion 28, the inner hole 14 of the main rubber elastic body 16 is formed. The height from the inner peripheral surface to the outer peripheral surface of the protruding portion 29 of the partition member 24: h 2 is the thickness of the inner rubber portion 26 of the second divided rubber 22 and the thickness of the protruding portion 29 of the partition member 24. The total dimension is a dimension obtained by further adding the thickness of the thin rubber film covering the outer peripheral surface of the protrusion 29.

一方、第二加圧体４２の基板部４６は、第一加圧体４０の基板部４４と同じ全体形状を呈しており、第一加圧体４０の基板部４４における締付ボルト５２の形成部位と挿通ピン５４の形成部位とに対応する部位には、締付ボルト５２が挿通可能なボルト挿通孔６４と、挿通ピン５４が挿通可能なピン挿通孔６６とが、それぞれ穿設されている。   On the other hand, the substrate portion 46 of the second pressure body 42 has the same overall shape as the substrate portion 44 of the first pressure body 40, and the fastening bolts 52 are formed on the substrate portion 44 of the first pressure body 40. A bolt insertion hole 64 through which the tightening bolt 52 can be inserted and a pin insertion hole 66 through which the insertion pin 54 can be inserted are formed in the part corresponding to the part and the part where the insertion pin 54 is formed. .

さらに、かかる第二加圧体４２の二つの加圧部５０，５０も、第一加圧体４０の各加圧部４８と同じ全体形状を呈しており、基板部４６における長さ方向中央部の両側側面のそれぞれに対して、互いに対向して、下方に延び出すように一体形成されている。また、それら各加圧部５０には、下端面における長さ方向中央部のうち、幅方向の中心よりも各加圧部５０の対向方向内側に偏寄した部分に、第一加圧体４０の加圧部４８における切欠部５６と同じ円弧状の切欠部６８が設けられ、更に、この切欠部６８の内周面が、仕切部材２４の突出部２９の外周面形状に略対応した円弧状の加圧面７０とされている。   Further, the two pressurizing parts 50, 50 of the second pressurizing body 42 also have the same overall shape as the pressurizing parts 48 of the first pressurizing body 40, and the central part in the length direction of the substrate part 46. The two side surfaces are integrally formed so as to face each other and extend downward. Further, in each of the pressurizing units 50, the first pressurizing body 40 is located on a portion of the central portion in the length direction on the lower end surface that is biased to the inner side in the opposing direction of the pressurizing unit 50 with respect to the center in the width direction. A notch portion 68 having the same arc shape as the notch portion 56 in the pressurizing portion 48 is provided, and the inner peripheral surface of the notch portion 68 substantially corresponds to the outer peripheral surface shape of the protruding portion 29 of the partition member 24. The pressurizing surface 70 is the same.

また、各加圧部５０の下端部には、幅方向における切欠部６８とは反対側部分に、一段高くされた段差部が設けられ、そして、この段差部の長さ方向の中央部に、下方に向かって突出する略矩形の位置決め突部７２が、その突出方向と直角な方向（水平方向）に広がる平坦な先端面からなる接触面７４を有して、一体的に設けられている。   Further, at the lower end portion of each pressurizing portion 50, a stepped portion that is raised by one step is provided on the side opposite to the notch portion 68 in the width direction, and at the center portion in the length direction of this stepped portion, A substantially rectangular positioning protrusion 72 that protrudes downward is provided integrally with a contact surface 74 that is a flat front end surface that extends in a direction perpendicular to the protrusion direction (horizontal direction).

そして、この位置決め突部７２にあっても、突出高さ（図４にｈ3 で示される寸法）が、スタビライザバー１０への取付前のスタビライザブッシュ１２における本体ゴム弾性体１６の内孔１４の内周面から仕切部材２４の突出部２９の外周面までの高さ（図３にｈ2 で示される寸法）よりも所定寸法だけ小さくされている。なお、この位置決め突部７２の突出高さも、第一分割ゴム２０における内側ゴム部２６の肉厚と、仕切部材２４の突出部２９の肉厚と、かかる突出部２９の外周面を被覆する薄肉のゴム膜の肉厚とを合計した寸法とされている。 Even in the positioning protrusion 72, the protrusion height (the dimension indicated by h 3 in FIG. 4) is the same as that of the inner hole 14 of the main rubber elastic body 16 in the stabilizer bush 12 before being attached to the stabilizer bar 10. The height from the inner peripheral surface to the outer peripheral surface of the protruding portion 29 of the partition member 24 (the dimension indicated by h 2 in FIG. 3) is set to a predetermined dimension. Note that the protruding height of the positioning protrusion 72 is the same as the thickness of the inner rubber portion 26 in the first divided rubber 20, the thickness of the protruding portion 29 of the partition member 24, and the thin wall covering the outer peripheral surface of the protruding portion 29. The thickness of the rubber film is the total dimension.

かくして、かくの如き構造とされた加圧治具にあっては、第一加圧体４０の各加圧部４８に設けられた切欠部５６の加圧面５８と、第二加圧体４２の各加圧部５０に設けられた切欠部６８の加圧面７０とを、上下方向において対向配置した状態で、第二加圧体４２の基板部４６に設けられたボルト挿通孔６４やピン挿通孔６６に、第一加圧体４０の基板部４４に立設された締付ボルト５２や挿通ピン５４が挿通されることで、第一加圧体４０と第二加圧体４２とが相互に組み付けられるようになっている。また、かかる組付状態下において、第一加圧体４０と第二加圧体４２のそれぞれの加圧面５８，７０との間に所定の物品を挟持した上で、第二加圧体４２のボルト挿通孔６４から上方に突出位置せしめられた締付ボルト５２の先端部に締付ナット７６を螺合し、これを締め付けることで、第二加圧体４２が第一加圧体４０に対して接近移動せしめられ、以て、それら両加圧体４０，４２の各加圧面５８，７０間の挟持物品に対して、締付ナット７６の締付力に応じた加圧力が作用せしめられるように構成されている。このことから明らかなように、ここでは、締付ボルト５２と締付ナット７６とにて、位置変更機構が構成されている。   Thus, in the pressurizing jig having such a structure, the pressurizing surface 58 of the notch 56 provided in each pressurizing part 48 of the first pressurizing body 40 and the second pressurizing body 42 are provided. A bolt insertion hole 64 or a pin insertion hole provided in the substrate portion 46 of the second pressure body 42 in a state where the pressure surface 70 of the notch portion 68 provided in each pressure portion 50 is disposed opposite to the vertical direction. 66, the tightening bolt 52 and the insertion pin 54 erected on the substrate portion 44 of the first pressure body 40 are inserted, whereby the first pressure body 40 and the second pressure body 42 are mutually connected. It can be assembled. Further, under such an assembled state, a predetermined article is sandwiched between the pressurizing surfaces 58 and 70 of the first pressurizing body 40 and the second pressurizing body 42, and then the second pressurizing body 42. A fastening nut 76 is screwed into the tip of the fastening bolt 52 that is projected upward from the bolt insertion hole 64, and the second pressurizing body 42 is clamped with respect to the first pressurizing body 40. Thus, the pressing force according to the tightening force of the tightening nut 76 is applied to the sandwiched article between the pressurizing surfaces 58 and 70 of both the pressurizing bodies 40 and 42. It is configured. As is clear from this, here, the position changing mechanism is constituted by the tightening bolt 52 and the tightening nut 76.

そして、このような加圧治具を用いて、目的とするスタビライザブッシュ付スタビライザバーを製造する際には、例えば、以下の如き作業が、順次、実施される。   And when manufacturing the target stabilizer bar with a stabilizer bush using such a pressurization jig, the following operations are carried out sequentially, for example.

すなわち、先ず、図６及び図７に示されるように、スタビライザブッシュ１２の半分の部分を構成する、第二分割金具３２と第二分割ゴム２２とからなる第二の一体加硫成形品３８が、水平方向に倒された状態で、加圧治具における第一加圧体４０にセットされて、支持される。これは、第二分割ゴム２２を上方に開口する向きとした状態で、第二分割金具３２のボルト挿通孔１３内に、第一加圧体４０の挿通ピン５４を挿通して、第二分割ゴム２２の軸方向両側端面から突出する仕切部材２４の突出部２９，２９を、第一加圧体４０における二つの加圧部４８，４８にそれぞれ設けられた切欠部５６の加圧面５８に、薄肉のゴム膜を介して接触位置せしめることによって、実施される。   That is, first, as shown in FIG. 6 and FIG. 7, a second integral vulcanized molded product 38 composed of the second divided metal fitting 32 and the second divided rubber 22 that constitutes a half portion of the stabilizer bush 12 is provided. In the state of being tilted in the horizontal direction, the first pressurizing body 40 in the pressurizing jig is set and supported. This is because the insertion pin 54 of the first pressurizing body 40 is inserted into the bolt insertion hole 13 of the second divided metal fitting 32 in a state in which the second divided rubber 22 is opened upward. The protruding portions 29 and 29 of the partition member 24 protruding from both end surfaces in the axial direction of the rubber 22 are applied to the pressing surfaces 58 of the notches 56 provided in the two pressing portions 48 and 48 of the first pressing body 40, respectively. This is done by placing the contact through a thin rubber film.

また、本工程では、第二の一体加硫成形品３８の第一加圧体４０へのセットに先立って、或いはその後に、必要に応じて、第二分割ゴム２２の内周面の全面に、接着剤が塗布等されることにより、接着剤層が形成される。なお、ここで用いられる接着剤は、特に限定されるものではなく、例えば、従来より公知の常温硬化タイプや熱硬化タイプのものが用いられるが、最終的に得られるスタビライザブッシュ付スタビライザバーの使用環境を考慮すると、熱硬化タイプのものが、好適に使用される。   Further, in this step, prior to or after setting the second integrally vulcanized molded product 38 on the first pressure body 40, if necessary, on the entire inner peripheral surface of the second divided rubber 22. The adhesive layer is formed by applying an adhesive or the like. The adhesive used here is not particularly limited. For example, a conventionally known room temperature curing type or thermosetting type is used, but the use of a stabilizer bar with a stabilizer bush finally obtained is used. In consideration of the environment, a thermosetting type is preferably used.

次に、図８に示されるように、第一加圧体４０にセットされた第二の一体加硫成形品３８に対して、第一の一体加硫成形品３６が組み付けられる。これは、第一分割ゴム２０を下方に開口する向きと為した状態で、第一分割金具３０のボルト挿通孔１３内に、第一加圧体４０の挿通ピン５４を挿通して、第一の一体加硫成形品３６の第一分割金具３０と第二の一体加硫成形品３８の第二分割金具３２とを、それぞれのボルト挿通孔１３同士において互いに対応させ、且つそれら各分割金具３０，３２の分割面を相互に当接させるように組み付けることで、行われる。そうして、第一の一体加硫成形品３６と第二の一体加硫成形品３８とが互いに組み付けられて、第一分割ゴム２０と第二分割ゴム２２とにて、内孔１４を備えた円筒状の本体ゴム弾性体１６が形成されるようになる。なお、第一の一体加硫成形品３６においても、第二の一体加硫成形品３８への組付操作に先立って、第一分割ゴム２０の内周面に、第二分割ゴム２２の内周面に適宜に形成される接着剤層と同様な接着剤層が、必要に応じて形成される。   Next, as shown in FIG. 8, the first integral vulcanized molded product 36 is assembled to the second integral vulcanized molded product 38 set on the first pressure body 40. This is because the insertion pin 54 of the first pressurizing body 40 is inserted into the bolt insertion hole 13 of the first divided metal fitting 30 in the state in which the first divided rubber 20 is opened downward. The first divided metal fitting 30 of the integrally vulcanized molded product 36 and the second divided metal fitting 32 of the second integrally vulcanized molded product 38 correspond to each other in the respective bolt insertion holes 13, and each of the divided metal fittings 30. , 32 are assembled by bringing the divided surfaces into contact with each other. Thus, the first integral vulcanized molded product 36 and the second integral vulcanized molded product 38 are assembled with each other, and the first divided rubber 20 and the second divided rubber 22 are provided with the inner hole 14. A cylindrical main rubber elastic body 16 is formed. Also in the first integral vulcanized molded product 36, the inner portion of the second divided rubber 22 is placed on the inner peripheral surface of the first divided rubber 20 prior to the assembling operation to the second integral vulcanized molded product 38. An adhesive layer similar to the adhesive layer appropriately formed on the peripheral surface is formed as necessary.

また、本工程では、上記の如き第一の一体加硫成形品３６と第二の一体加硫成形品３８との組付が行われる一方で、それら両一体加硫成形品３６，３８の組付により形成される本体ゴム弾性体１６の内孔１４に、スタビライザバー１０が、スタビライザブッシュ１２が取り付けられるべき軸方向一端側部分において挿通位置せしめられる。このとき、スタビライザバー１０における本体ゴム弾性体１６の内孔１４への挿通部位の外周面は、かかる内孔１４の内周面に接触せしめられるものの、第一加圧体４０の加圧面５８に設けられた位置決め突部６０の先端面からなる接触面６２には、何等接触せしめられることなく、かかる接触面６２と上下方向に所定の距離（図８にＷ1 にて示される寸法）を隔てて位置せしめられる。なお、この距離：Ｗ1 は、位置決め突部６０の突出高さ：ｈ1 と第二分割ゴム２２（本体ゴム弾性体１６の内孔１４）の内周面から仕切部材２４の突出部２９の外周面までの高さ：ｈ2 との差に略対応した寸法となる。 In this step, the first integral vulcanized molded product 36 and the second integral vulcanized molded product 38 are assembled as described above, while the two integral vulcanized molded products 36, 38 are assembled. The stabilizer bar 10 is inserted into the inner hole 14 of the main rubber elastic body 16 formed by the attachment at one end in the axial direction where the stabilizer bush 12 is to be attached. At this time, the outer peripheral surface of the portion of the stabilizer bar 10 through which the main rubber elastic body 16 is inserted into the inner hole 14 is brought into contact with the inner peripheral surface of the inner hole 14, but the pressing surface 58 of the first pressurizing body 40. the contact surface 62 made from the distal end surface of the positioning projection 60 provided, nothing like without being brought into contact, at a predetermined distance with such contact surface 62 in the vertical direction (dimension indicated by W 1 in FIG. 8) Can be positioned. This distance: W 1 is the projection height: h 1 of the positioning projection 60 and the inner peripheral surface of the second divided rubber 22 (inner hole 14 of the main rubber elastic body 16). to the outer peripheral surface height: a dimension substantially corresponding to the difference between h 2.

さらに、本工程の実施に際しては、本体ゴム弾性体１６の内孔１４へのスタビライザバー１０の挿通操作に先立って、スタビライザバー１０の挿通部位に対して、第一及び第二分割体２０，２２の内周面に必要に応じて形成される接着剤層と同様な接着剤層７８が形成される。なお、第一及び第二分割ゴム２０，２２のそれぞれの内周面に接着剤層が形成される場合には、スタビライザバー１０に対する接着剤層７８の形成を省略することも出来る。   Furthermore, in carrying out this step, the first and second divided bodies 20 and 22 are inserted into the insertion portion of the stabilizer bar 10 prior to the operation of inserting the stabilizer bar 10 into the inner hole 14 of the main rubber elastic body 16. An adhesive layer 78 similar to the adhesive layer formed as necessary is formed on the inner peripheral surface of the first and second inner surfaces. In the case where an adhesive layer is formed on the inner peripheral surfaces of the first and second divided rubbers 20 and 22, the formation of the adhesive layer 78 on the stabilizer bar 10 can be omitted.

また、本工程で行われる本体ゴム弾性体１６の内孔１４内へのスタビライザバー１０の挿通操作は、第一の一体加硫成形品３６と第二の一体加硫成形品３８とを組み付けた後に行ってもよいが、通常では、先ず、第一加圧体４０にセットされた第二の一体加硫成形品３８の第二分割ゴム２２の内周面上に、スタビライザバー１０が、接着剤層７８の形成部位において載置された後、第一の一体加硫成形品３６が、スタビライザバー１０を間に挟んで、第二の一体加硫成形品３８に組み付けられることで、実施される。   Further, in the insertion operation of the stabilizer bar 10 into the inner hole 14 of the main rubber elastic body 16 performed in this step, the first integral vulcanized molded product 36 and the second integral vulcanized molded product 38 are assembled. Normally, the stabilizer bar 10 is first bonded onto the inner peripheral surface of the second divided rubber 22 of the second integrally vulcanized molded product 38 set in the first pressurizing body 40. After being placed at the site where the agent layer 78 is formed, the first integrated vulcanized molded product 36 is assembled to the second integrated vulcanized molded product 38 with the stabilizer bar 10 interposed therebetween. The

次に、図９及び図１０に示されるように、第二加圧体４２が、第一加圧体４０に組み付けられる。これは、第二加圧体４２を、第一加圧体４０に対して上下方向に離間して対向させた状態において、第二加圧体４２における基板部４６のボルト挿通孔６４とピン挿通孔６６とに、第一加圧体４０の締付ボルト５２と挿通ピン５４とをそれぞれ挿通することで行われる。このような第一加圧体４０と第二加圧体４２との相互の組付状態下では、第二加圧体４２の加圧面７０が、第一の一体加硫成形品３６における第一分割ゴム２０の軸方向両側端面から突出する仕切部材２４の突出部２９，２９の外周面に対して、薄肉のゴム膜を介して接触位置せしめられるようになる。   Next, as shown in FIGS. 9 and 10, the second pressure body 42 is assembled to the first pressure body 40. This is because the second pressurizing body 42 is opposed to the first pressurizing body 40 in the vertical direction so as to face the first pressurizing body 40 and the pin insertion hole 64 and the pin are inserted into the board portion 46 in the second pressurizing body 42. This is done by inserting the fastening bolt 52 and the insertion pin 54 of the first pressurizing body 40 through the hole 66, respectively. Under such an assembled state of the first pressure body 40 and the second pressure body 42, the pressure surface 70 of the second pressure body 42 is the first integrated vulcanized molded product 36. The outer peripheral surfaces of the projecting portions 29 and 29 of the partition member 24 projecting from both end surfaces in the axial direction of the divided rubber 20 are brought into contact with each other through a thin rubber film.

これによって、第一加圧体４０と第二加圧体４２とが、それらの加圧面５８，７０において、第一分割ゴム２０や第二分割ゴム２２のそれぞれの軸方向両側端面から突出する各仕切部材２４の各突出部２９の外周面に、薄肉のゴム膜を介して接触して、それら各突出部２９を、上下方向において間に挟んだ挟持位置に配置される。このとき、第二加圧体４２の各加圧部５０に設けられた位置決め突部７２の先端面からなる接触面７４には、スタビライザバー１０の外周面が何等接触せしめられることなく、かかる接触面７４は、スタビライザバー１０の外周面と上下方向に所定の距離（図９にＷ2 にて示される寸法）を隔てて位置せしめられる。なお、この距離：Ｗ2 は、位置決め突部７２の突出高さ（図４にｈ3 にて示される寸法）と第一分割ゴム２０（本体ゴム弾性体１６の内孔１４）の内周面から仕切部材２４の突出部２９の外周面までの高さ（図３にｈ4 にて示される寸法）との差に略対応した寸法となる。 As a result, the first pressurizing body 40 and the second pressurizing body 42 protrude from the axially opposite end surfaces of the first split rubber 20 and the second split rubber 22 on the pressurization surfaces 58 and 70, respectively. The outer peripheral surface of each projecting portion 29 of the partition member 24 is in contact with the thin rubber film, and the projecting portions 29 are arranged at sandwiched positions sandwiched in the vertical direction. At this time, the outer peripheral surface of the stabilizer bar 10 is not brought into contact with the contact surface 74 formed of the distal end surface of the positioning projection 72 provided in each pressurizing unit 50 of the second pressurizing body 42, and the contact is made. The surface 74 is positioned at a predetermined distance (a dimension indicated by W 2 in FIG. 9) in the vertical direction from the outer peripheral surface of the stabilizer bar 10. This distance: W 2 is the protrusion height of the positioning protrusion 72 (the dimension indicated by h 3 in FIG. 4) and the inner peripheral surface of the first divided rubber 20 (the inner hole 14 of the main rubber elastic body 16). The dimension substantially corresponds to the difference from the height (dimension indicated by h 4 in FIG. 3) from the height to the outer peripheral surface of the protruding portion 29 of the partition member 24.

その後、図１１に示されるように、第二加圧体４２のボルト挿通孔６４を挿通して、上方に突出する締付ボルト５２の先端部に、締付ナット７６が螺合されて、締め付けられることにより、第二加圧体４２が、第一の加圧体４０との間で第一及び第二の一体加硫成形品３６，３８を挟持した状態下で、下方に移動して、第一の加圧体４０に接近せしめられる。   After that, as shown in FIG. 11, a bolt nut 64 is inserted through the bolt insertion hole 64 of the second pressurizing body 42, and a tightening nut 76 is screwed onto the tip of the tightening bolt 52 protruding upward. As a result, the second pressure body 42 moves downward while sandwiching the first and second integrally vulcanized molded products 36, 38 with the first pressure body 40, The first pressurizing body 40 is made to approach.

かくして、第一加圧体４０と第二加圧体４２の各加圧面５８，７０の間で挟持された第一及び第二の一体加硫成形品３６，３８における各仕切部材２４の各突出部２９のうち、上側に位置する第一分割ゴム２０から突出する突出部２９，２９が、第二加圧体４２の加圧面７０により、締付ナット７６の締付力に応じた加圧力で下方に向かって加圧される一方、下側に位置する第二分割ゴム２２から突出する突出部２９，２９が、第一加圧体４０の加圧面５８により、締付ナット７６の締付力に応じた加圧力で上方に向かって加圧される。また、そのような加圧力に基づいて、第一及び第二分割ゴム２０，２２の内周面が、スタビライザバー１０の外周面に圧接される。このとき、第一及び第二加圧体４０，４２の各加圧面５８，７０からの加圧力は、第一及び第二分割ゴム２０，２２のそれぞれにおける外側ゴム部２８に対して何等作用せしめられることなく、それら両分割ゴム２０，２２の内側ゴム部２６に対してのみ作用せしめられるようになる。   Thus, the protrusions of the partition members 24 in the first and second integrally vulcanized molded products 36 and 38 sandwiched between the pressure surfaces 58 and 70 of the first pressure body 40 and the second pressure body 42. Of the portion 29, the protruding portions 29, 29 protruding from the first divided rubber 20 located on the upper side are pressed by the pressing surface 70 of the second pressurizing body 42 according to the tightening force of the tightening nut 76. The projecting portions 29, 29 projecting from the second divided rubber 22 positioned on the lower side while being pressed downward are tightened by the tightening force of the tightening nut 76 by the pressurizing surface 58 of the first pressurizing body 40. The pressure is increased upward with a pressurizing force corresponding to. Further, based on such pressure, the inner peripheral surfaces of the first and second divided rubbers 20 and 22 are pressed against the outer peripheral surface of the stabilizer bar 10. At this time, the applied pressure from the pressure surfaces 58 and 70 of the first and second pressure bodies 40 and 42 does not act on the outer rubber portion 28 in each of the first and second divided rubbers 20 and 22. It is made to act only with respect to the inner side rubber part 26 of these division | segmentation rubber | gum 20 and 22 without being carried out.

そして、ここでは、特に、そのような締付ナット７６の締付けが、第二加圧体４２の第一加圧体４０への接近移動により、第一及び第二加圧体４０，４２における各位置決め突部６０，７２のそれぞれの接触面６２，７４が、本体ゴム弾性体１６の内孔１４内に挿通されたスタビライザバー１０の外周面に当接するまで、つまり、各接触面６２，７４とスタビライザバー１０の外周面との間の距離：Ｗ1 ，Ｗ2 がゼロとなるまで行われる。 Here, in particular, the tightening of the tightening nut 76 is caused by the movement of the second pressurizing body 42 toward the first pressurizing body 40 so that each of the first and second pressurizing bodies 40 and 42 Until the contact surfaces 62 and 74 of the positioning protrusions 60 and 72 come into contact with the outer peripheral surface of the stabilizer bar 10 inserted into the inner hole 14 of the main rubber elastic body 16, that is, with the contact surfaces 62 and 74. The distance between the stabilizer bar 10 and the outer peripheral surface is repeated until W 1 and W 2 become zero.

そうして、かかる状態下で、接着剤層７８を形成する接着剤のタイプに応じて、常温で又は所定の高温環境下で、所定時間放置されて、接着剤層７８が硬化せしめられる。これにより、スタビライザバー１０の軸方向一端側部分が、本体ゴム弾性体１６の内孔１４の内周面に接着固定され、第一の一体加硫成形品３６と第二の一体加硫成形品３８とが、スタビライザバー１０を介して一体化されて、スタビライザブッシュ１２が形成されると共に、かかるスタビライザブッシュ１２が、スタビライザバー１０の軸方向一端側部分に対して位置固定に取り付けられる。   Then, in such a state, the adhesive layer 78 is cured by being left at a normal temperature or in a predetermined high temperature environment for a predetermined time according to the type of the adhesive forming the adhesive layer 78. Thereby, the axial direction one end side part of the stabilizer bar 10 is adhesively fixed to the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16, and the first integral vulcanized molded product 36 and the second integral vulcanized molded product. 38 are integrated via the stabilizer bar 10 to form the stabilizer bush 12, and the stabilizer bush 12 is fixedly attached to one end portion in the axial direction of the stabilizer bar 10.

その後、スタビライザバー１０の軸方向の他端部に対しても、上記と同様な操作により、スタビライザブッシュ１２が位置固定に取り付けられ、以て、目的とするスタビライザブッシュ付スタビライザバーが得られることとなる。   After that, the stabilizer bush 12 is fixedly attached to the other end portion of the stabilizer bar 10 in the axial direction by the same operation as described above, so that the target stabilizer bar with the stabilizer bush is obtained. Become.

このように、本実施形態では、第一分割ゴム２０と第二分割ゴム２２とからなる本体ゴム弾性体１６の内孔１４に挿通されたスタビライザバー１０を、かかる内孔１４の内周面に接着固定する際に、締付ナット７６の締付ボルト５２に対する締付けによる第一加圧体４０と第二加圧体４２との相互の接近に伴って、それら各加圧体４０，４２の加圧部４８，５０に設けられた位置決め突部６０，７２の接触面６２，７４が、スタビライザバー１０の外周面に当接したときに、第一及び第二加圧体４０，４２の相互の接近が停止せしめられて、本体ゴム弾性体１６に埋設された各仕切部材２４の各突出部２９に対する各加圧体４０，４２の加圧面５８，７０からの加圧量が規定され、また、かかる加圧に基づいて、第一及び第二分割ゴム２０，２２の各内側ゴム部２６の内周面にて、本体ゴム弾性体１６の内孔１４へのスタビライザバー１０の挿通部位の外周面を圧接する圧接量が、規定され得るようになっている。   Thus, in this embodiment, the stabilizer bar 10 inserted through the inner hole 14 of the main rubber elastic body 16 composed of the first divided rubber 20 and the second divided rubber 22 is disposed on the inner peripheral surface of the inner hole 14. When the first pressurizing body 40 and the second pressurizing body 42 are brought close to each other by fastening the tightening nut 76 to the tightening bolt 52, the pressurizing bodies 40 and 42 are added. When the contact surfaces 62 and 74 of the positioning protrusions 60 and 72 provided on the pressure portions 48 and 50 come into contact with the outer peripheral surface of the stabilizer bar 10, the first and second pressurizing bodies 40 and 42 are connected to each other. When the approach is stopped, the amount of pressure applied from the pressure surfaces 58 and 70 of the pressure bodies 40 and 42 to the protrusions 29 of the partition members 24 embedded in the main rubber elastic body 16 is defined. Based on such pressurization, the first and second divided rubbers 20, At an inner circumferential surface of the inner rubber portion 26 of the 2, pressing amount for pressing the outer peripheral surface of the insertion portion of the stabilizer bar 10 to the inner hole 14 of the main rubber elastic body 16 is adapted to be defined.

それ故、かかる本実施形態においては、加圧治具により、各仕切部材２４の各突出部２９を加圧しつつ、スタビライザバー１０を本体ゴム弾性体１６の内孔１４の内周面に接着固定する際に、接着されるべきスタビライザバー１０の径が種々変化しても、本体ゴム弾性体１６の内孔１４の内周面によるスタビライザバー１０の挿通部位の外周面への圧接量が略一定の大きさに為され得、以て、スタビライザバー１０と本体ゴム弾性体１６との間の接着が、十分に且つ安定的に行われ得る。   Therefore, in this embodiment, the stabilizer bar 10 is bonded and fixed to the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 while pressurizing each protrusion 29 of each partition member 24 with a pressurizing jig. In this case, even if the diameter of the stabilizer bar 10 to be bonded changes variously, the amount of pressure contact between the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 and the outer peripheral surface of the insertion portion of the stabilizer bar 10 is substantially constant. Therefore, the adhesion between the stabilizer bar 10 and the main rubber elastic body 16 can be sufficiently and stably performed.

しかも、金属製の加圧体４０，４２に一体形成された位置決め突部６０，７２が、金属棒からなるスタビライザバー１０の外周面に当接せしめられてからは、加圧治具による加圧力を発生させるための締付ボルト５２に対する締付ナット７６の締付操作が不能となるか又は極めて困難となるため、締付ナット７６の締付量を逐次確認して、加圧治具による加圧量を厳密に管理するようなこともなしに、本体ゴム弾性体１６の内孔１４の内周面によるスタビライザバー１０の挿通部位の外周面への圧接量を一定の大きさに為すことが出来る。   Moreover, after the positioning projections 60 and 72 formed integrally with the metal pressure bodies 40 and 42 are brought into contact with the outer peripheral surface of the stabilizer bar 10 made of a metal rod, the pressure applied by the pressure jig is used. The tightening operation of the tightening nut 76 with respect to the tightening bolt 52 for generating the screw becomes impossible or extremely difficult. Therefore, the tightening amount of the tightening nut 76 is sequentially confirmed and added by a pressurizing jig. Without strictly controlling the amount of pressure, the amount of pressure contact between the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 and the outer peripheral surface of the insertion portion of the stabilizer bar 10 can be made constant. I can do it.

また、本実施形態では、本体ゴム弾性体１６とスタビライザバー１０とを接着させる際に、仕切部材２４の突出部２９が、加圧治具にて大きな力で加圧されても、本体ゴム弾性体１６の内側ゴム部２６のみが圧縮されて、内側ゴム部２６よりも十分に厚肉の外側ゴム部２８は何等圧縮されることがないため、接着時における過度の圧縮による影響が、外側ゴム部２８、ひいては本体ゴム弾性体１６において生ずることが回避され、それによって、本体ゴム弾性体１６における所望のばね特性が、安定的に確保され得る。   Further, in the present embodiment, when the main rubber elastic body 16 and the stabilizer bar 10 are bonded, even if the protruding portion 29 of the partition member 24 is pressed with a large force by a pressing jig, the main rubber elasticity Since only the inner rubber part 26 of the body 16 is compressed and the outer rubber part 28 thicker than the inner rubber part 26 is not compressed at all, the influence of excessive compression at the time of bonding is influenced by the outer rubber. The occurrence of the portion 28, and hence the main rubber elastic body 16, can be avoided, whereby the desired spring characteristics of the main rubber elastic body 16 can be stably secured.

従って、かくの如き本実施形態によれば、本体ゴム弾性体１６とスタビライザバー１０との間の十分な接着力と、本体ゴム弾性体１６における所望のばね特性とが、スタビライザバー１０の径のバラツキに左右されることなく、また加圧治具による加圧量を厳密に管理する面倒な作業を何等行うこともなしに、容易に且つ安定的に確保され得る。そして、その結果として、所望の防振性能乃至は特性と使用耐久性に優れた品質性能とを兼備したスタビライザブッシュ付スタビライザバーが、極めて有利に製造され得ることとなるのである。   Therefore, according to the present embodiment as described above, the sufficient adhesive force between the main rubber elastic body 16 and the stabilizer bar 10 and the desired spring characteristic of the main rubber elastic body 16 are the diameter of the stabilizer bar 10. It can be ensured easily and stably without being influenced by variations and without any troublesome work of strictly managing the amount of pressure applied by the pressure jig. As a result, a stabilizer bar with a stabilizer bush having both desired vibration-proof performance or quality performance with excellent characteristics and durability can be manufactured extremely advantageously.

また、本実施形態では、仕切部材２４が分割円筒形状を有して、本体ゴム弾性体１６の内部に、内孔１４と同軸的に位置するように埋設されていると共に、かかる本体ゴム弾性体１６から突出する仕切部材２４の突出部２９の外周面が、円弧面形状とされている。そして、かかる突出部２９の外周面に接触して、所定の加圧力を作用せしめる第一及び第二加圧体４０，４２の各加圧面５８，７０も、突出部２９の外周面形状に対応した円弧面とされている。それ故、加圧体４０，４２による加圧力に基づいて、本体ゴム弾性体１６の内孔１４の内周面が、内孔１４に挿通される丸棒状のスタビライザバー１０の外周面の全周に対して、均一の力で圧接され得るようになる。そして、その結果として、スタビライザバー１０と本体ゴム弾性体１６との接着が、より安定的に且つ確実に行われ得ることとなる。   In the present embodiment, the partition member 24 has a divided cylindrical shape and is embedded in the main rubber elastic body 16 so as to be coaxial with the inner hole 14. The outer peripheral surface of the protruding portion 29 of the partition member 24 protruding from 16 has an arcuate shape. And each pressurization surface 58 and 70 of the 1st and 2nd pressurization bodies 40 and 42 which contacts the outer peripheral surface of this projection part 29 and acts on predetermined pressure also responds to the outer peripheral surface shape of projection part 29. It is considered as a circular arc surface. Therefore, based on the pressure applied by the pressurizing bodies 40, 42, the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 is the entire periphery of the outer peripheral surface of the round bar-shaped stabilizer bar 10 inserted through the inner hole 14. On the other hand, it can be pressed with a uniform force. As a result, adhesion between the stabilizer bar 10 and the main rubber elastic body 16 can be performed more stably and reliably.

さらに、本実施形態においては、仕切部材２４の軸方向長さが、ブラケット１８の第一及び第二分割金具３０，３２の軸方向長さよりも長くされて、仕切部材２４の突出部２９が、各分割金具３０，３２の軸方向両側に向かって突出せしめられている。そのため、各突出部２９を、その軸直角方向両側から加圧する操作が、単に、上下方向に変位可能とされた、比較的に簡略な構造を有する加圧治具の第一及び第二加圧体４０，４２を用いて、容易に実施され得る。   Furthermore, in this embodiment, the axial direction length of the partition member 24 is made longer than the axial length of the first and second divided metal fittings 30 and 32 of the bracket 18, and the protruding portion 29 of the partition member 24 is The divided metal fittings 30 and 32 are protruded toward both sides in the axial direction. Therefore, the first and second pressurization of the pressurizing jig having a relatively simple structure in which the operation of pressurizing each protrusion 29 from both sides in the direction perpendicular to the axis is simply displaceable in the vertical direction. It can be easily implemented using the bodies 40, 42.

ところで、本発明手法において、目的とする防振ブッシュ付スタビライザバーを製造する際に用いられる加圧治具は、上記せる如き構造のものに何等限定されるものではなく、仕切部材の突出部との接触状態下で、互いに接近可能とされた複数の加圧体と、それら複数の加圧体を接近させる機構と、複数の加圧体の何れか又は全部に設けられて、複数の加圧体の接近により、筒状ゴム弾性体（本体ゴム弾性体）の内孔に挿通されたスタビライザバーの外周面に、直接に又は間接的に当接することで、複数の加圧体の接近を停止させる部分とを備えた基本構造を有しておれば良い。従って、以下からは、そのような基本構造を有する幾つかの種類の加圧治具を用いて、目的とする防振ブッシュ付スタビライザバーを製造する方法の前記実施形態とは別の実施形態について詳述することとする。なお、以下に示す幾つかの実施形態に関しては、それらを明らかにする図１２乃至図３１に示される部材及び部位等が、前記実施形態を明らかにする図１乃至図１１に記載されたものと同様な構成や機能を有するものである場合において、図１乃至図１１と同一の符号を付すことにより、詳細な説明は省略した。   By the way, in the method of the present invention, the pressurizing jig used when manufacturing the target stabilizer bar with the vibration-proof bushing is not limited to the structure as described above. A plurality of pressurizing bodies that can be approached to each other under the contact state, a mechanism that allows the plurality of pressurizing bodies to approach, and a plurality of pressurizing bodies provided in any or all of the plurality of pressurizing bodies. By approaching the body, the approach of multiple pressure bodies is stopped by directly or indirectly contacting the outer peripheral surface of the stabilizer bar inserted through the inner hole of the cylindrical rubber elastic body (main rubber elastic body). What is necessary is just to have a basic structure provided with the part to be made. Therefore, from the following, an embodiment different from the above-described embodiment of the method of manufacturing a stabilizer bar with an anti-vibration bushing using several types of pressure jigs having such a basic structure will be described. It will be described in detail. In addition, regarding some embodiments shown below, the members and parts shown in FIGS. 12 to 31 that clarify them are the same as those described in FIGS. 1 to 11 that clarify the embodiments. In the case of having the same configuration and function, the same reference numerals as those in FIGS. 1 to 11 are given, and the detailed description is omitted.

先ず、図１２及び図１３には、位置決め突部６０，７２の第一及び第二加圧体４０，４２に対する形成構造が、前記実施形態で用いられるものとは異なる加圧治具の例が、示されている。即ち、かかる加圧治具においては、第一加圧体４０と第二加圧体４２の各加圧部４８，５０の上乃至下端面における長さ方向（図１２の左右方向）の中央部に、円弧状の切欠部５６，６８が、全幅に亘って形成されている。そして、それら各切欠部５６，６８の内周面が、加圧面５８，７０とされており、また、この加圧面５８，７０の周方向の中央部分に、狭幅の位置決め突部６０，７２が、一体的に突設されている。   First, FIGS. 12 and 13 show examples of pressure jigs in which the formation structures of the positioning protrusions 60 and 72 with respect to the first and second pressure bodies 40 and 42 are different from those used in the embodiment. ,It is shown. That is, in this pressurizing jig, the central part in the length direction (left-right direction in FIG. 12) of the upper and lower end surfaces of the pressurizing portions 48, 50 of the first pressurizing body 40 and the second pressurizing body 42. In addition, arc-shaped notches 56 and 68 are formed over the entire width. The inner peripheral surfaces of the notches 56 and 68 are the pressurizing surfaces 58 and 70, and the narrow positioning protrusions 60 and 72 are formed at the center portions in the circumferential direction of the pressurizing surfaces 58 and 70. However, it protrudes integrally.

そして、このような構造とされた加圧治具を用いて、目的とするスタビライザブッシュ付スタビライザバーを得るには、図１４及び図１５に示される如き構造を有するスタビライザブッシュ８０が、用いられる。   And in order to obtain the target stabilizer bar with a stabilizer bush using the pressurization jig | tool comprised in such a structure, the stabilizer bush 80 which has a structure as shown in FIG.14 and FIG.15 is used.

このスタビライザブッシュ８０は、前記第一の実施形態で用いられるスタビライザブッシュ１２と同様に、分割円筒状の第一及び第二分割ゴム２０，２２からなると共に、軸方向に延びる内孔１４を有する、筒状ゴム弾性体としての本体ゴム弾性体１６と、この本体ゴム弾性体１６の外周面に固着された、第一及び第二分割金具３０，３２からなるブラケット１８と、本体ゴム弾性体１６の軸直角方向中間部に、本体ゴム弾性体１６を、その内周側に位置する薄肉の内側ゴム部２６と外周側に位置する厚肉の外側ゴム部２８とに仕切るように埋設された、分割円筒状の仕切部材２４の二つとを有して、構成されている。   Like the stabilizer bush 12 used in the first embodiment, the stabilizer bush 80 is composed of divided cylindrical first and second divided rubbers 20 and 22 and has an inner hole 14 extending in the axial direction. A main rubber elastic body 16 as a cylindrical rubber elastic body, a bracket 18 composed of first and second divided metal fittings 30 and 32 fixed to the outer peripheral surface of the main rubber elastic body 16, and a main rubber elastic body 16. Dividing the main rubber elastic body 16 into an intermediate portion perpendicular to the axis so as to be divided into a thin inner rubber portion 26 located on the inner peripheral side and a thick outer rubber portion 28 located on the outer peripheral side. It has two cylindrical partition members 24 and is configured.

そして、かかるスタビライザブッシュ８０にあっては、仕切部材２４の周方向中央部における軸方向両側部分に、スリット状の切欠部８２が、それぞれ、一つずつ形成されている。このスリット状切欠部８２は、突出部２９の全長を越えて、本体ゴム弾性体１６の埋設部分にまで達する長さと、前記加圧治具の各加圧体４０，４２に設けられた位置決め突部６０，７２の幅よりも所定寸法大きな幅とを有している。また、突出部２９を被覆する本体ゴム弾性体１６の薄肉のゴム膜にも、スリット状切欠部８２に対応したすぐり部８３が形成されている。   And in this stabilizer bush 80, the slit-shaped notch part 82 is each formed in the axial direction both sides part in the circumferential direction center part of the partition member 24, respectively. The slit-shaped notch 82 has a length that extends beyond the entire length of the protruding portion 29 to reach the embedded portion of the main rubber elastic body 16, and positioning protrusions provided on the pressure bodies 40 and 42 of the pressure jig. It has a width larger than the width of the parts 60 and 72 by a predetermined dimension. In addition, the thin rubber film of the main rubber elastic body 16 covering the protruding portion 29 is also provided with a straight portion 83 corresponding to the slit-shaped notch portion 82.

而して、本実施形態では、上記の如き構造を有する加圧治具とスタビライザブッシュ８０とを用いて、目的とするスタビライザブッシュ付スタビライザバーが、例えば、以下のようにして、製造される。   Thus, in the present embodiment, using the pressure jig having the structure as described above and the stabilizer bush 80, the target stabilizer bar with the stabilizer bush is manufactured as follows, for example.

すなわち、前記実施形態と同様な操作手順により、図１６及び図１７に示されるように、スタビライザバー１０が、外周面に接着剤層７８が形成された軸方向一端側部位において、本体ゴム弾性体１６の内孔１４に挿通されたスタビライザブッシュ８０が、互いに組み付けられた第一加圧体４０と第二加圧体４２との間にセットされる。そして、そのような状態下で、第一加圧体４０と第二加圧体４２とが、それらの加圧面５８，７０において、スタビライザブッシュ８０における各仕切部材２４の各突出部２９の外周面に、薄肉のゴム膜を介して接触して、それら各突出部２９を、上下方向において間に挟んだ挟持位置に配置される。   That is, according to the same operation procedure as in the above-described embodiment, as shown in FIGS. 16 and 17, the stabilizer bar 10 has a main rubber elastic body at one end in the axial direction where the adhesive layer 78 is formed on the outer peripheral surface. The stabilizer bush 80 inserted through the 16 inner holes 14 is set between the first pressurizing body 40 and the second pressurizing body 42 assembled to each other. In such a state, the first pressurizing body 40 and the second pressurizing body 42 have the pressurizing surfaces 58 and 70, and the outer peripheral surfaces of the protrusions 29 of the partition members 24 in the stabilizer bush 80. In addition, they come into contact with each other through a thin rubber film, and are arranged in a sandwiching position in which the projecting portions 29 are sandwiched between them in the vertical direction.

このとき、スタビライザブッシュ８０が、スリット状切欠部８２やすぐり部８３を、第一及び第二加圧体４０，４２の各加圧部４８，５０における加圧面５８，７０の周方向の中央部に対応させるように配置される。また、それと共に、それら各加圧部４８，５０の加圧面５８，７０に設けられた位置決め突部６０，７２が、すぐり部８３を通じて、スリット状切欠部８２内に突入位置せしめられる。更に、このスリット状切欠部８２内に突入せしめられた位置決め突部６０，７２は、その先端面からなる接触面６２，７４が、スタビライザバー１０の外周面と接触せしめられることなく、かかる外周面に対して上下方向に所定の距離（図１６にＷ1 ，Ｗ2 にて示される寸法）を隔てて位置せしめられる。 At this time, the stabilizer bush 80 causes the slit-shaped notch portion 82 and the scooping portion 83 to move to the center portions in the circumferential direction of the pressurizing surfaces 58 and 70 in the pressurizing portions 48 and 50 of the first and second pressurizing bodies 40 and 42. It arrange | positions so that it may respond | correspond. At the same time, the positioning protrusions 60 and 72 provided on the pressure surfaces 58 and 70 of the pressure parts 48 and 50 are inserted into the slit-shaped notch part 82 through the straight part 83. Further, the positioning protrusions 60 and 72 that are inserted into the slit-shaped notch 82 have such contact surfaces 62 and 74 that are front end surfaces of the positioning protrusions 60 and 72 that are not brought into contact with the outer periphery of the stabilizer bar 10. , And a predetermined distance (dimensions indicated by W 1 and W 2 in FIG. 16) in the vertical direction.

その後、図１８に示されるように、第二加圧体４２から上方に突出する締付ボルト５２の先端部に、締付ナット７６が螺合されて、締め付けられることにより、第二加圧体４２が、下方に移動して、第一の加圧体４０に接近せしめられる。この締付ナット７６の締付けは、第二加圧体４２の第一加圧体４０への接近により、第一及び第二加圧体４０，４２における各位置決め突部６０，７２のそれぞれの接触面６２，７４が、本体ゴム弾性体１６の内孔１４内に挿通されたスタビライザバー１０の外周面に当接するまで、つまり、各接触面６２，７４とスタビライザバー１０の外周面との間の距離：Ｗ1 ，Ｗ2 がゼロとなるまで行われる。 Thereafter, as shown in FIG. 18, the tightening nut 76 is screwed onto the tip of the tightening bolt 52 protruding upward from the second pressurizing body 42 and tightened, whereby the second pressurizing body. 42 moves downward to approach the first pressurizing body 40. The tightening of the tightening nut 76 is caused by the contact of the positioning protrusions 60 and 72 on the first and second pressure bodies 40 and 42 with the approach of the second pressure body 42 to the first pressure body 40. Until the surfaces 62 and 74 come into contact with the outer peripheral surface of the stabilizer bar 10 inserted into the inner hole 14 of the main rubber elastic body 16, that is, between the contact surfaces 62 and 74 and the outer peripheral surface of the stabilizer bar 10. Distance: It is performed until W 1 and W 2 become zero.

かくして、スタビライザブッシュ８０における各仕切部材２４の突出部２９が、第一加圧体４０と第二加圧体４２の各加圧部４８，５０の加圧面５８，７０にて、締付ナット７６の締付力に応じた加圧力で上方や下方に加圧され、それによって、本体ゴム弾性体１６の内孔１４の内周面（第一及び第二分割ゴム２０，２２の内周面）が、スタビライザバー１０の外周面に圧接される。このとき、第一及び第二加圧体４０，４２の各加圧面５８，７０からの加圧力は、第一及び第二分割ゴム２０，２２のそれぞれにおける内側ゴム部２６に対してのみに作用せしめられる。   Thus, the protruding portions 29 of the partition members 24 in the stabilizer bush 80 are tightened by the tightening nuts 76 on the pressurizing surfaces 58 and 70 of the pressurizing portions 48 and 50 of the first pressurizing body 40 and the second pressurizing body 42. Is pressed upward or downward with a pressurizing force corresponding to the tightening force of the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 (inner peripheral surfaces of the first and second divided rubbers 20 and 22). Is pressed against the outer peripheral surface of the stabilizer bar 10. At this time, the applied pressure from the pressure surfaces 58 and 70 of the first and second pressure bodies 40 and 42 acts only on the inner rubber portion 26 in each of the first and second divided rubbers 20 and 22. To be sedated

その後、かかる状態下で、常温で又は所定の高温環境下で所定時間放置されて、接着剤層７８が硬化せしめられる。これにより、スタビライザバー１０の軸方向一端側部分が、スタビライザブッシュ８０における本体ゴム弾性体１６の内孔１４の内周面に接着されて、かかるスタビライザブッシュ８０に位置固定に取り付けられる。そして、それに引き続いて、スタビライザバー１０の軸方向の他端部に対しても、上記と同様な操作により、スタビライザブッシュ８０が位置固定に取り付けられ、以て、目的とするスタビライザブッシュ付スタビライザバーが得られることとなる。   Thereafter, the adhesive layer 78 is hardened by being left at a normal temperature or in a predetermined high temperature environment for a predetermined time under such a state. Thereby, the axial direction one end side part of the stabilizer bar 10 is adhere | attached on the internal peripheral surface of the inner hole 14 of the main body rubber elastic body 16 in the stabilizer bush 80, and it is attached to this stabilizer bush 80 by fixed position. Subsequently, the stabilizer bush 80 is fixedly attached to the other end portion of the stabilizer bar 10 in the axial direction by the same operation as described above, so that the target stabilizer bar with the stabilizer bush is provided. Will be obtained.

このように、本実施形態でも、スタビライザバー１０を本体ゴム弾性体１６の内孔１４の内周面に接着する際に、締付ナット７６の締付ボルト５２に対する締付けによる第一及び第二加圧体４０，４２の相互の接近に伴って、それら各加圧体４０，４２に設けられた位置決め突部６０，７２の各接触面６２，７４が、スタビライザバー１０の外周面に当接したときに、第一及び第二加圧体４０，４２の相互の接近が停止せしめられて、本体ゴム弾性体１６に埋設された各仕切部材２４の各突出部２９に対する各加圧体４０，４２の加圧面５８，７０からの加圧量が規定されると共に、本体ゴム弾性体１６の内孔１４の内周面によるスタビライザバー１０の外周面への圧接量が規定され得るようになっている。   As described above, also in this embodiment, when the stabilizer bar 10 is bonded to the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16, the first and second additions by tightening the tightening nut 76 to the tightening bolt 52 are performed. As the pressure bodies 40 and 42 approach each other, the contact surfaces 62 and 74 of the positioning protrusions 60 and 72 provided on the pressure bodies 40 and 42 contact the outer peripheral surface of the stabilizer bar 10. When the first and second pressure bodies 40 and 42 are stopped from each other, the pressure bodies 40 and 42 with respect to the protrusions 29 of the partition members 24 embedded in the main rubber elastic body 16 are stopped. The amount of pressure applied from the pressure surfaces 58 and 70 is regulated, and the amount of pressure contact between the inner circumferential surface of the inner hole 14 of the main rubber elastic body 16 and the outer circumferential surface of the stabilizer bar 10 can be defined. .

それ故、かかる本実施形態にあっても、前記第一の実施形態と同様な優れた作用・効果が、有効に享受され得る。   Therefore, even in the present embodiment, the same excellent actions and effects as those in the first embodiment can be enjoyed effectively.

そして、本実施形態においては、特に、スタビライザブッシュ８０において、各仕切部材２４の突出部２９にスリット状切欠部８２が、また、本体ゴム弾性体１６にすぐり部８３が、それぞれ設けられる一方、第一及び第二加圧体４０，４２の各加圧面５８，７０に位置決め突部６０，７２が設けられており、そして、第一加圧体４０と第二加圧体４２とが、各加圧面５８，７０において、各突出部２９の外周面に接触して、それら各突出部２９を挟持するように配置された状態で、各加圧体４０，４２に設けられた位置決め突部６０，７２が、すぐり部８３を通じて、各スリット状切欠部８２内とに突入せしめられて、それら各位置決め突部６０，７２の接触面６２，７４とスタビライザバー１０の外周面とが所定の距離：Ｗ1 ，Ｗ2 を隔てて位置せしめられるようになっている。 In the present embodiment, in particular, in the stabilizer bush 80, a slit-shaped notch portion 82 is provided in the protruding portion 29 of each partition member 24, and a straight portion 83 is provided in the main rubber elastic body 16, respectively. Positioning projections 60 and 72 are provided on the pressure surfaces 58 and 70 of the first and second pressure bodies 40 and 42, respectively. Positioning projections 60, 42 provided on the pressure bodies 40, 42 in a state where the pressure surfaces 58, 70 are arranged so as to contact the outer peripheral surfaces of the projections 29 and sandwich the projections 29, respectively. 72 is inserted into the slit-shaped notches 82 through the straight portions 83, and the contact surfaces 62, 74 of the positioning protrusions 60, 72 and the outer peripheral surface of the stabilizer bar 10 are separated by a predetermined distance: W. 1, W 2 the interval It adapted to be brought position Te.

それ故、例えば、加圧面５８，７０と位置決め突部６０，７２とが、第一及び第二加圧体４０，４２に対して、それぞれ別個の部位に設けられる場合とは異なって、本体ゴム弾性体１６とスタビライザバー１０とを接着固定する際に、それら加圧面５８，７０と位置決め突部６０，７２とを、スタビライザバー１０における軸方向の同一部位に対して、接触乃至は離間位置させることが出来、それによって、各加圧体４０，４２の小型化や、本体ゴム弾性体１６とスタビライザバー１０との接着に際しての作業スペースの削減等が、有利に図られ得る。   Therefore, for example, unlike the case where the pressurization surfaces 58 and 70 and the positioning protrusions 60 and 72 are provided in separate parts with respect to the first and second pressurization bodies 40 and 42, the main body rubber When the elastic body 16 and the stabilizer bar 10 are bonded and fixed, the pressure surfaces 58 and 70 and the positioning protrusions 60 and 72 are brought into contact with or spaced apart from the same axial portion of the stabilizer bar 10. Accordingly, it is possible to advantageously reduce the size of each of the pressure bodies 40 and 42 and reduce the work space when the main rubber elastic body 16 and the stabilizer bar 10 are bonded.

次に、図１９及び図２０には、前記第一及び第二の実施形態で用いられるものとは更に異なる構造を有する加圧治具の例が、示されている。即ち、かかる加圧治具においては、治具本体８４と、８個を一組とした加圧体８６の二組のものとにて、構成されている。治具本体８４は、厚肉の矩形平板形状を呈するベース部８８と、このベース部８８の長さ方向両端部に対して、互いに対向する状態で、それぞれ一体的に立設された、厚肉平板状を呈する、支持体としての一対の支持部９０，９０とを有している。また、一対の支持部９０，９０のそれぞれの中心部には、それらを板厚方向に貫通する収容孔９２が、互いに同軸的に位置するように設けられている。更に、かかる収容孔９２は、その内周面が、一対の支持部９０，９０の互いの対向方向外側に向かって次第に大径化するテーパ面からなるテーパ状案内面９４とされている。   Next, FIGS. 19 and 20 show an example of a pressing jig having a structure further different from that used in the first and second embodiments. That is, the pressurizing jig is composed of a jig main body 84 and two sets of pressurizing bodies 86 each having eight sets. The jig body 84 is a thick wall that is integrally erected in a state of being opposed to each other with respect to a base portion 88 having a thick rectangular flat plate shape and both ends in the length direction of the base portion 88. It has a pair of support parts 90 and 90 as a support body which exhibits flat form. In addition, a receiving hole 92 penetrating in the thickness direction is provided at the center of each of the pair of support portions 90, 90 so as to be coaxial with each other. Furthermore, the accommodation hole 92 has a tapered guide surface 94 formed of a tapered surface whose inner circumferential surface gradually increases in diameter toward the outside in the opposing direction of the pair of support portions 90, 90.

一方、加圧体８６は、何れも、治具本体８４の支持部９０の厚さよりも小さな高さを有する円筒体乃至は支持部９０よりも薄肉の円環体を、周方向に８個に等分割してなる分割円筒体乃至は分割円環体形態を呈している。つまり、ここでは、加圧体８６が８個で一組とされて、それら８個の加圧体８６が、互いに周方向に隣り合うように組み付けられることによって、高さの低い円筒体乃至は厚肉の円環体が形成されるようになっているのである。そして、そのような加圧体８６にあっては、内周面が円筒面を８分割した１個からなる円弧面形状を呈する加圧面８７とされている一方、外周面が、治具本体８４の各支持部９０に設けられた収容孔９２の内周面からなるテーパ状案内面９４に対応したテーパ面を８分割した分割テーパ面形状を呈するテーパ状摺動面８９とされている。   On the other hand, each of the pressurizing bodies 86 includes eight cylindrical bodies having a height smaller than the thickness of the support portion 90 of the jig main body 84 or thinner annular bodies than the support portions 90 in the circumferential direction. It has a divided cylindrical body or a divided annular body formed by equally dividing. That is, here, eight pressure bodies 86 are made into a set, and these eight pressure bodies 86 are assembled so as to be adjacent to each other in the circumferential direction, so that a low-height cylindrical body or A thick torus is formed. And in such a pressurization body 86, while the internal peripheral surface is made into the pressurization surface 87 which shows the circular arc surface shape which divided the cylindrical surface into 8 pieces, the outer peripheral surface is the jig main body 84. A tapered sliding surface 89 having a tapered shape of a tapered surface obtained by dividing the tapered surface corresponding to the tapered guide surface 94 formed of the inner peripheral surface of the accommodation hole 92 provided in each support portion 90 into eight.

また、かかる８個で一組の加圧体８６のうち、それらを円筒乃至は円環形状を呈するように組み付けたときに周方向に互いに隣り合う２個のものと、かかる２個のものに対して径方向に対応位置して、周方向に互いに隣り合う別の２個のものには、位置決め突部９６が、それぞれ、一体形成されている。この位置決め突部９６は、周方向に隣り合う２個の分割体８６のそれぞれの内周面における隣接方向の内側部分に、略薄肉矩形平板形態をもって、互いに当接するようにして、一体的に突設されており、その先端面が、平坦な接触面９８とされている。   In addition, among the eight pressure bodies 86 in a set, two of them that are adjacent to each other in the circumferential direction when they are assembled so as to have a cylindrical or annular shape, and two of them. On the other hand, positioning protrusions 96 are integrally formed on the other two adjacent to each other in the circumferential direction, corresponding to the radial direction. The positioning protrusions 96 protrude in an integral manner so that they are in contact with each other in the shape of a substantially thin rectangular flat plate on the inner part in the adjacent direction on the inner peripheral surface of each of the two divided bodies 86 adjacent in the circumferential direction. The tip end surface is a flat contact surface 98.

そして、このような８個で一組の加圧体８６の二組のものが、治具本体８４における一対の支持部９０，９０の各収容孔９２内に、全体として、円筒乃至は円環形状を呈し、且つ各加圧面８７にて円筒面が形成されるように相互に組み付けられると共に、位置決め突部９６を有する４個の加圧体８６の２個ずつが周方向に隣り合い、且つそれら２個ずつのものが上下方向に対応位置するように位置せしめられた状態で、それぞれ、テーパ状摺動面８９にてテーパ状案内面９４に摺動しつつ、軸方向（支持部９０の板厚方向）に移動可能に収容されて、支持されている。   Then, two such sets of eight pressure bodies 86 are formed in a cylindrical shape or an annular shape as a whole in the accommodation holes 92 of the pair of support portions 90, 90 in the jig main body 84. Each of the pressure surfaces 87 is assembled with each other so that a cylindrical surface is formed, and two of the four pressure bodies 86 having the positioning protrusions 96 are adjacent to each other in the circumferential direction, and In a state where each of the two is positioned so as to correspond to the vertical direction, while sliding on the tapered guide surface 94 on the tapered sliding surface 89, respectively, It is accommodated and supported so as to be movable in the thickness direction).

かくして、かかる加圧治具にあっては、支持部９０の収容孔９２内に、円筒乃至は円環形状を呈するように組み付けられた状態で、収容、支持された８個の加圧体８６が、収容孔９２内を、一対の支持部９０，９０の対向方向内側に向かって軸方向に移動せしめられると、それぞれのテーパ状摺動面８９において、収容孔９２のテーパ状案内面９４に案内されて、収容孔９２の径方向内側（軸直角方向内方）に向かって、互いに接近するようにも移動せしめられ、それにより、それら互いに組み付けられた８個の加圧体８６の各加圧面８７からなる円筒面の内径が、各加圧体８６の移動量に応じた量だけ徐々に減少せしめられるようになっている。   Thus, in such a pressurizing jig, eight pressurizing bodies 86 housed and supported in a state of being assembled in the housing hole 92 of the support portion 90 so as to have a cylindrical or annular shape. However, when the inside of the accommodation hole 92 is moved in the axial direction toward the inside in the opposing direction of the pair of support portions 90, 90, the taper guide surface 94 of the accommodation hole 92 is formed on each tapered sliding surface 89. It is guided and moved toward the inside in the radial direction (in the direction perpendicular to the axis) of the receiving hole 92 so as to approach each other, whereby each of the eight pressurizing bodies 86 assembled to each other is moved. The inner diameter of the cylindrical surface composed of the pressure surface 87 is gradually reduced by an amount corresponding to the amount of movement of each pressure member 86.

そして、本実施形態では、上記の如き構造を有する加圧治具と、前記第二の実施形態において用いられるスタビライザブッシュ８０、つまり、各仕切部材２４の突出部２９にスリット状切欠部８２が、また、本体ゴム弾性体１６にすぐり部８３が、それぞれ互いに対応して設けられてなるスタビライザブッシュ８０とを用いて、目的とするスタビライザブッシュ付スタビライザバーが、例えば、以下のようにして、製造される。   In this embodiment, the pressure jig having the structure as described above and the stabilizer bush 80 used in the second embodiment, that is, the slit-shaped notch 82 in the protruding portion 29 of each partition member 24, Further, using the stabilizer bush 80 in which the straight portions 83 are provided corresponding to each other on the main rubber elastic body 16, a target stabilizer bar with a stabilizer bush is manufactured as follows, for example. The

すなわち、先ず、図２１及び図２２に示されるように、本体ゴム弾性体１６の内孔１４に、予め接着剤層７８が形成されたスタビライザバー１０が挿通されたスタビライザブッシュ８０が、加圧治具の一対の支持部９０，９０の互いの対向面間に、各仕切部材２４の突出部２９に設けられたスリット状切欠部８２を上下方向に対応位置させた向きで、配置される。このとき、各仕切部材２４の突出部２９が、各支持部９０の収容孔９２内にそれぞれ８個ずつ収容された加圧体８６が組み付けられて形成された円筒体乃至は円環体の内孔内に、突入位置せしめられる。   That is, first, as shown in FIGS. 21 and 22, the stabilizer bush 80 in which the stabilizer bar 10 in which the adhesive layer 78 is formed in advance is inserted into the inner hole 14 of the main rubber elastic body 16 is pressurized. Between the opposing surfaces of the pair of support portions 90, 90, the slit-shaped notches 82 provided in the protruding portions 29 of the partition members 24 are arranged in a direction corresponding to the vertical direction. At this time, the projecting portions 29 of the partition members 24 are each formed of a cylindrical body or an annular body formed by assembling eight pressurizing bodies 86 each housed in the housing holes 92 of the support portions 90. The entry position is set in the hole.

そして、そのような状態下で、各加圧体８６が、それぞれの加圧面８７において、各仕切部材２４の突出部２９の外周面に接触して、それら各突出部２９を間に挟んで、その周りを取り囲む挟持位置に配置されると共に、８個の加圧体８６のうち、周方向に互いに隣り合う２個ずつの４個のものに設けられた位置決め突部９６が、スタビライザブッシュ８０における本体ゴム弾性体１６のすぐり部８３を通じて、仕切部材２４の突出部２９のスリット状切欠部８２内に突入せしめられる。また、このスリット状切欠部８２内に突入せしめられた各位置決め突部９６は、その先端面からなる接触面９８が、スタビライザバー１０の外周面と接触せしめられることなく、かかる外周面に対して上下方向に所定の距離（図２１にＷ1 ，Ｗ2 にて示される寸法）を隔てて位置せしめられる。 And in such a state, each pressurizing body 86 contacts the outer peripheral surface of the projecting portion 29 of each partition member 24 on each pressurizing surface 87, and sandwiches each projecting portion 29 therebetween, Positioning projections 96 provided on four of the eight pressing bodies 86 that are adjacent to each other in the circumferential direction among the eight pressing bodies 86 are arranged in a sandwiching position that surrounds the periphery thereof. Through the straight part 83 of the main rubber elastic body 16, it is inserted into the slit-shaped notch 82 of the protrusion 29 of the partition member 24. In addition, each positioning protrusion 96 that is inserted into the slit-shaped notch 82 has a contact surface 98 formed of a tip end surface of the positioning protrusion 96 that is not brought into contact with the outer peripheral surface of the stabilizer bar 10, with respect to the outer peripheral surface. It is positioned at a predetermined distance in the vertical direction (dimensions indicated by W 1 and W 2 in FIG. 21).

その後、図２３及び図２４に示されるように、一対の支持部９０，９０の各収容孔９２内にそれぞれ８個ずつ収容された加圧体８６が、例えば油圧シリンダ（図示せず）等の駆動機構にて、一対の支持部９０，９０の相互の対向方向内方（収容孔９２の中心軸方向であって、且つスタビライザブッシュ８０における本体ゴム弾性体１６の軸方向）に向かってそれぞれ押圧されて、移動せしめられる。これによって、各収容孔９２内の８個の加圧体８６の全てが、収容孔９２の径方向内側（本体ゴム弾性体１６の軸直角方向内方）に向かって互いに接近するように移動せしめられて、それら８個の加圧体８６の加圧面８７からなる円筒面の内径が、各加圧体８６の移動量に応じた量だけ徐々に減少せしめられる。なお、かかる駆動機構による本体ゴム弾性体１６の軸方向への各加圧体８６の移動は、それに伴う本体ゴム弾性体１６の軸直角方向内方への各加圧体８６の接近移動により、各位置決め突部９６の接触面９８が、本体ゴム弾性体１６の内孔１４内に挿通されたスタビライザバー１０の外周面に当接するまで、つまり、各接触面９８とスタビライザバー１０の外周面との間の距離：Ｗ1 ，Ｗ2 がゼロとなるまで行われる。 Thereafter, as shown in FIGS. 23 and 24, eight pressure bodies 86 housed in each of the housing holes 92 of the pair of support portions 90, 90 are, for example, hydraulic cylinders (not shown) or the like. In the drive mechanism, the pair of support portions 90, 90 are pressed toward the inside in the opposite direction (in the central axis direction of the accommodation hole 92 and in the axial direction of the main rubber elastic body 16 in the stabilizer bush 80), respectively. And moved. As a result, all of the eight pressure bodies 86 in each housing hole 92 are moved toward each other toward the radially inner side of the housing hole 92 (inward in the direction perpendicular to the axis of the main rubber elastic body 16). Thus, the inner diameter of the cylindrical surface formed by the pressure surfaces 87 of the eight pressure bodies 86 is gradually reduced by an amount corresponding to the amount of movement of each pressure body 86. In addition, the movement of each pressurizing body 86 in the axial direction of the main rubber elastic body 16 by the drive mechanism is caused by the approaching movement of each pressurizing body 86 in the direction perpendicular to the axis of the main rubber elastic body 16. Until the contact surface 98 of each positioning protrusion 96 comes into contact with the outer peripheral surface of the stabilizer bar 10 inserted into the inner hole 14 of the main rubber elastic body 16, that is, each contact surface 98 and the outer peripheral surface of the stabilizer bar 10. This is performed until W 1 and W 2 become zero.

かくして、各加圧体８６にて周りを取り囲まれて挟持されたスタビライザブッシュ８０における各仕切部材２４の突出部２９が、各加圧体８６の加圧面８７により、本体ゴム弾性体１６の中心軸に向かって加圧され、それによって、本体ゴム弾性体１６の内孔１４の内周面（第一及び第二分割ゴム２０，２２の内周面）が、スタビライザバー１０の外周面に圧接される。このとき、各加圧体８６の加圧面８７からの加圧力は、本体ゴム弾性体１６における第一及び第二分割ゴム２０，２２のそれぞれの内側ゴム部２６に対してのみに作用せしめられる。   Thus, the protruding portion 29 of each partition member 24 in the stabilizer bush 80 surrounded and sandwiched by each pressurizing body 86 is caused by the pressurizing surface 87 of each pressurizing body 86 to be the central axis of the main rubber elastic body 16. Thus, the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 (the inner peripheral surfaces of the first and second divided rubbers 20 and 22) is pressed against the outer peripheral surface of the stabilizer bar 10. The At this time, the pressing force from the pressing surface 87 of each pressing body 86 is applied only to the inner rubber portions 26 of the first and second divided rubbers 20 and 22 in the main rubber elastic body 16.

その後、かかる状態下で、常温で又は所定の高温環境下で所定時間放置されて、接着剤層７８が硬化せしめられる。これにより、スタビライザバー１０の軸方向一端側部分が、スタビライザブッシュ８０における本体ゴム弾性体１６の内孔１４の内周面に接着されて、かかるスタビライザブッシュ８０に位置固定に取り付けられる。そして、それに引き続いて、スタビライザバー１０の軸方向の他端部に対しても、上記と同様な操作により、スタビライザブッシュ８０が位置固定に取り付けられ、以て、目的とするスタビライザブッシュ付スタビライザバーが得られることとなる。   Thereafter, the adhesive layer 78 is hardened by being left at a normal temperature or in a predetermined high temperature environment for a predetermined time under such a state. Thereby, the axial direction one end side part of the stabilizer bar 10 is adhere | attached on the internal peripheral surface of the inner hole 14 of the main body rubber elastic body 16 in the stabilizer bush 80, and it is attached to this stabilizer bush 80 by fixed position. Subsequently, the stabilizer bush 80 is fixedly attached to the other end portion of the stabilizer bar 10 in the axial direction by the same operation as described above, so that the target stabilizer bar with the stabilizer bush is provided. Will be obtained.

このように、本実施形態でも、スタビライザバー１０を本体ゴム弾性体１６の内孔１４の内周面に接着する際に、加圧治具の各支持部９０の収容孔９２内にそれぞれ収容された８個の加圧体８６の相互の接近に伴って、それらの加圧体８６の一部のものに設けられた位置決め突部９６の接触面９８が、スタビライザバー１０の外周面に当接したときに、各加圧体８６の相互の接近が停止せしめられて、本体ゴム弾性体１６に埋設された各仕切部材２４の各突出部２９に対する各加圧体８６の加圧面８７からの加圧量が規定されると共に、本体ゴム弾性体１６の内孔１４の内周面によるスタビライザバー１０の外周面への圧接量が規定され得るようになっている。   As described above, also in this embodiment, when the stabilizer bar 10 is bonded to the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16, the stabilizer bar 10 is accommodated in the accommodating hole 92 of each support portion 90 of the pressing jig. As the eight pressure members 86 approach each other, the contact surfaces 98 of the positioning protrusions 96 provided on some of the pressure members 86 abut on the outer peripheral surface of the stabilizer bar 10. When this is done, the approaching of the pressurizing bodies 86 is stopped, and the pressurizing surfaces 87 of the pressurizing bodies 86 are applied to the projecting portions 29 of the partitioning members 24 embedded in the main rubber elastic body 16. While the amount of pressure is defined, the amount of pressure contact with the outer peripheral surface of the stabilizer bar 10 by the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 can be defined.

それ故、かかる本実施形態にあっても、前記第一及び第二の実施形態と同様な優れた作用・効果が、有効に享受され得る。   Therefore, even in this embodiment, the same excellent actions and effects as in the first and second embodiments can be enjoyed effectively.

そして、本実施形態においては、特に、円弧面とされた加圧面８７を有する８個の加圧体８６が、筒状本体ゴム弾性体１６の軸直角方向内方に向かって、互いに接近移動せしめられることにより、各仕切部材２４の突出部２９が、８個の加圧体８６の各加圧面８７にて、本体ゴム弾性体１６の中心軸に向かって加圧されて、本体ゴム弾性体１６の内孔１４の内周面が、スタビライザバー１０の外周面に圧接されるようになっている。それ故、例えば、各加圧面８７に接触する各仕切部材２４の突出部２９の外径が、円弧状の加圧面８７の径よりも小くかったり、或いは大きかったりしても、例えば、かかる突出部２９を、円弧状の二つの加圧面にて、二方向から挟んで加圧する場合に比して、各加圧面８７の突出部２９との接触面積が有利に大きくされた上で、突出部２９に対して八方向から加圧力を作用させることが出来る。従って、各仕切部材２４の突出部２９に対する加圧力、ひいては本体ゴム弾性体１６の内孔１４の内周面によるスタビライザバー１０の外周面への圧接力が、安定的に確保され得、以て、それら本体ゴム弾性体１６とスタビライザバー１０との接着力も十分に確保され得る。なお、このような優れた作用・効果は、加圧体８６が３個以上のものにて構成されておれば、有利に享受され得る。   In the present embodiment, in particular, the eight pressure bodies 86 having the pressure surfaces 87 that are arcuate surfaces are moved closer to each other toward the inside of the cylindrical main rubber elastic body 16 in the direction perpendicular to the axis. As a result, the protruding portions 29 of the partition members 24 are pressed toward the central axis of the main rubber elastic body 16 by the pressurizing surfaces 87 of the eight pressurizing bodies 86, and the main rubber elastic body 16. The inner peripheral surface of the inner hole 14 is brought into pressure contact with the outer peripheral surface of the stabilizer bar 10. Therefore, for example, even if the outer diameter of the projecting portion 29 of each partition member 24 that contacts each pressure surface 87 is smaller or larger than the diameter of the arc-shaped pressure surface 87, for example, such a projection. The contact area of each pressing surface 87 with the protruding portion 29 is advantageously increased as compared with the case where the portion 29 is pressed with two arcuate pressing surfaces sandwiched from two directions. 29 can be applied with pressure from eight directions. Therefore, the pressure applied to the protrusions 29 of the partition members 24, and hence the pressure contact force of the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 to the outer peripheral surface of the stabilizer bar 10 can be secured stably. Adhesive force between the main rubber elastic body 16 and the stabilizer bar 10 can be sufficiently secured. Such excellent actions and effects can be enjoyed advantageously if the pressure members 86 are composed of three or more members.

また、本実施形態では、８個の加圧体８６が、加圧治具の各支持部９０の収容孔９２内に筒状本体ゴム弾性体１６の軸方向に移動可能に収容され、かかる加圧体８６の軸方向への移動に伴って、それら加圧体８６の外周面からなるテーパ状摺動面８９が、収容孔９２の内周面からなるテーパ状案内面９４に摺動せしめられることで、各加圧体８６が、筒状本体ゴム弾性体１６の軸直角方向内方に向かって、互いに接近移動せしめられるようになっているところから、上記の如き本体ゴム弾性体１６とスタビライザバー１０との接着力も十分に確保し得るといった優れた特徴が、比較的に簡略な構造において有利に実現され得る。   Further, in the present embodiment, the eight pressure bodies 86 are accommodated in the accommodation holes 92 of the respective support portions 90 of the pressure jig so as to be movable in the axial direction of the cylindrical main body rubber elastic body 16. As the pressure body 86 moves in the axial direction, the tapered sliding surface 89 formed of the outer peripheral surface of the pressing body 86 is slid on the tapered guide surface 94 formed of the inner peripheral surface of the accommodation hole 92. Thus, each pressurizing body 86 can be moved toward and away from each other in the direction perpendicular to the axis of the cylindrical main body rubber elastic body 16, so that the main rubber elastic body 16 and the stabilizer as described above can be moved. An excellent feature that the adhesive strength with the bar 10 can be sufficiently secured can be advantageously realized in a relatively simple structure.

次に、図２５には、前記第一及び第二の実施形態で用いられる加圧治具と類似の構造を有するものの、位置決め突部を何等有しない点で、それらとは異なる構造を有する加圧治具の例が、示されている。即ち、かかる加圧治具においては、基板部４４，４６と二つの加圧部４８，５０とからなる第一加圧体４０及び第二加圧体４２とを有し、それら各加圧体４０，４２の各加圧部４８，５０には、切欠部５６，６８が設けられるものの、位置決め突部が、何等設けられていない構造とされている。   Next, FIG. 25 shows an additional structure having a structure similar to that of the pressure jig used in the first and second embodiments, but having a structure different from those in that it does not have any positioning protrusions. An example of a pressure jig is shown. That is, the pressurizing jig includes a first pressurizing body 40 and a second pressurizing body 42 including the substrate portions 44 and 46 and the two pressurizing portions 48 and 50, and each of the pressurizing bodies. Each of the pressure parts 48 and 50 of 40 and 42 is provided with notches 56 and 68, but no positioning protrusions are provided.

そして、このような加圧治具を用いて、目的とするスタビライザブッシュ付スタビライザバーを得るには、例えば、図２６や図２７に示される如き構造を有するスタビライザブッシュ１００，１０２が、用いられる。   And in order to obtain the target stabilizer bar with a stabilizer bush using such a pressurization jig, the stabilizer bushes 100 and 102 which have a structure as shown in FIG.26 and FIG.27 are used, for example.

それら２種類のスタビライザブッシュ１００，１０２は、前記第一の実施形態で用いられるスタビライザブッシュ１２と同様な基本構造を有するものの、図２６に示されるスタビライザブッシュ１００においては、各仕切部材２４の軸方向両側端部からなる突出部２９が、各仕切部材２４の突出部２９以外の軸方向中間部１０４に比して所定寸法小径化されており、また、そのような小径化された突出部２９の内側には、内側ゴム部２６が何等設けられておらず、突出部２９の内周面が、外部に露呈されてなる構造とされている。一方、図２７に示されるスタビライザブッシュ１０２にあっては、各仕切部材２４の突出部２９以外の軸方向中間部１０４が、突出部２９に比して所定寸法小径化されて、かかる小径化された各仕切部材２４の軸方向中間部１０４の内側には、内側ゴム部２６が何等設けられておらず、そのような各仕切部材２４の軸方向中間部１０４の内周面が、外部に露呈されてなる構造とされている。   The two types of stabilizer bushes 100 and 102 have the same basic structure as the stabilizer bush 12 used in the first embodiment. However, in the stabilizer bush 100 shown in FIG. The projecting portion 29 composed of both end portions has a predetermined diameter smaller than that of the axial intermediate portion 104 other than the projecting portion 29 of each partition member 24, and the diameter of the projecting portion 29 having such a reduced diameter is reduced. No inner rubber part 26 is provided on the inner side, and the inner peripheral surface of the protruding part 29 is exposed to the outside. On the other hand, in the stabilizer bush 102 shown in FIG. 27, the axial intermediate portion 104 other than the protruding portion 29 of each partition member 24 is reduced in diameter by a predetermined size as compared with the protruding portion 29, and the diameter is reduced. No inner rubber portion 26 is provided inside the axial intermediate portion 104 of each partition member 24, and the inner peripheral surface of the axial intermediate portion 104 of each partition member 24 is exposed to the outside. The structure is made.

そして、本実施形態では、上記の如き構造を有する２種類のスタビライザブッシュ１００，１０２のうちの何れか一方と加圧治具とを用いて、目的とするスタビライザブッシュ付スタビライザバーが、例えば、以下のようにして、製造される。   And in this embodiment, the objective stabilizer bar with a stabilizer bush is made into the following using either one of two types of stabilizer bushes 100 and 102 which have the above structures, and a pressurization jig, for example. It is manufactured as follows.

すなわち、図２６に示される構造を有するスタビライザブッシュ１００と加圧治具を用いる場合には、先ず、前記第一の実施形態と同様な操作手順により、図２８に示されるように、スタビライザバー１０が、外周面に接着剤層７８が形成された軸方向一端側部位において、本体ゴム弾性体１６の内孔１４に挿通されたスタビライザブッシュ１００が、互いに組み付けられた第一加圧体４０と第二加圧体４２との間にセットされる。そして、そのような状態下で、第一加圧体４０と第二加圧体４２とが、それらの加圧面５８，７０において、スタビライザブッシュ１００における各仕切部材２４の各突出部２９の外周面に、薄肉のゴム膜を介して接触して、それら各突出部２９を、上下方向において間に挟んだ挟持位置に配置される。   That is, when the stabilizer bush 100 having the structure shown in FIG. 26 and the pressurizing jig are used, first, as shown in FIG. 28, the stabilizer bar 10 according to the same operation procedure as in the first embodiment. However, at one end in the axial direction where the adhesive layer 78 is formed on the outer peripheral surface, the stabilizer bush 100 inserted through the inner hole 14 of the main rubber elastic body 16 is connected to the first pressurizing body 40 and the first pressurizing body 40 assembled together. It is set between the two pressure bodies 42. In such a state, the first pressurizing body 40 and the second pressurizing body 42 have the pressurizing surfaces 58 and 70, and the outer peripheral surfaces of the protrusions 29 of the partition members 24 in the stabilizer bush 100. In addition, they come into contact with each other through a thin rubber film, and are arranged in a sandwiching position in which the projecting portions 29 are sandwiched between them in the vertical direction.

このとき、各仕切部材２４の軸方向中間部１０４の内周面に固着された本体ゴム弾性体１６の内側ゴム部２６の内周面が、スタビライザバー１０に接触せしめられ、また、各仕切部材２４の突出部２９は、スタビライザバー１０の外周面と接触せしめられることなく、かかる外周面に対して上下方向に所定の距離（図２８にＷ1 ，Ｗ2 にて示される寸法）を隔てて位置せしめられる。 At this time, the inner peripheral surface of the inner rubber portion 26 of the main rubber elastic body 16 fixed to the inner peripheral surface of the axially intermediate portion 104 of each partition member 24 is brought into contact with the stabilizer bar 10, and each partition member The 24 protruding portions 29 are not brought into contact with the outer peripheral surface of the stabilizer bar 10 and are separated from the outer peripheral surface by a predetermined distance in the vertical direction (dimensions indicated by W 1 and W 2 in FIG. 28). Be positioned.

その後、図２９に示されるように、第二加圧体４２から上方に突出する締付ボルト５２の先端部に、締付ナット７６が螺合されて、締め付けられることにより、第二加圧体４２が、下方に移動して、第一の加圧体４０に接近せしめられる。この締付ナット７６の締付けは、第二加圧体４２の第一加圧体４０への接近により、各仕切部材２４の突出部２９の内周面が、スタビライザバー１０の外周面に当接するまで、つまり、各突出部２９の内周面とスタビライザバー１０の外周面との間の距離：Ｗ1 ，Ｗ2 がゼロとなるまで行われる。 After that, as shown in FIG. 29, the tightening nut 76 is screwed onto the tip of the tightening bolt 52 protruding upward from the second pressure member 42 and tightened, whereby the second pressure member. 42 moves downward to approach the first pressurizing body 40. The tightening of the tightening nut 76 is such that the inner peripheral surface of the protruding portion 29 of each partition member 24 comes into contact with the outer peripheral surface of the stabilizer bar 10 when the second pressure member 42 approaches the first pressure member 40. That is, it is performed until the distances W 1 and W 2 between the inner peripheral surface of each protrusion 29 and the outer peripheral surface of the stabilizer bar 10 become zero.

かくして、スタビライザブッシュ１００における各仕切部材２４の突出部２９が、第一加圧体４０と第二加圧体４２の各加圧部４８，５０の加圧面５８，７０にて、締付ナット７６の締付力に応じた加圧力で上方や下方に加圧され、それによって、本体ゴム弾性体１６の内孔１４の内周面（第一及び第二分割ゴム２０，２２の内周面）が、スタビライザバー１０の外周面に圧接される。このとき、第一及び第二加圧体４０，４２の各加圧面５８，７０からの加圧力は、本体ゴム弾性体１６の内側ゴム部２６に対してのみに作用せしめられる。   Thus, the protruding portions 29 of the partition members 24 in the stabilizer bush 100 are tightened by the tightening nuts 76 at the pressurizing surfaces 58 and 70 of the pressurizing portions 48 and 50 of the first pressurizing body 40 and the second pressurizing body 42. Is pressed upward or downward with a pressurizing force corresponding to the tightening force of the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 (inner peripheral surfaces of the first and second divided rubbers 20 and 22). Is pressed against the outer peripheral surface of the stabilizer bar 10. At this time, the pressure applied from the pressure surfaces 58 and 70 of the first and second pressure bodies 40 and 42 is applied only to the inner rubber portion 26 of the main rubber elastic body 16.

その後、かかる状態下で、常温で又は所定の高温環境下で所定時間放置されて、接着剤層７８が硬化せしめられる。これにより、スタビライザバー１０の軸方向一端側部分が、スタビライザブッシュ１００における本体ゴム弾性体１６の内孔１４の内周面に接着されて、かかるスタビライザブッシュ１００に位置固定に取り付けられる。そして、それに引き続いて、スタビライザバー１０の軸方向の他端部に対しても、上記と同様な操作により、スタビライザブッシュ１００が位置固定に取り付けられ、以て、目的とするスタビライザブッシュ付スタビライザバーが得られることとなる。   Thereafter, the adhesive layer 78 is hardened by being left at a normal temperature or in a predetermined high temperature environment for a predetermined time under such a state. Thereby, the axial direction one end side part of the stabilizer bar 10 is adhere | attached on the internal peripheral surface of the inner hole 14 of the main body rubber elastic body 16 in the stabilizer bush 100, and it is attached to this stabilizer bush 100 by fixed position. Subsequently, the stabilizer bush 100 is fixedly attached to the other end portion of the stabilizer bar 10 in the axial direction by the same operation as described above, so that the target stabilizer bar with the stabilizer bush is provided. Will be obtained.

一方、図２７に示される構造を有するスタビライザブッシュ１０２と加圧治具を用いて、目的とするスタビライザブッシュ付スタビライザバーを製造する場合には、先ず、前記第一の実施形態と同様な操作手順により、図３０に示されるように、スタビライザバー１０が、外周面に接着剤層７８が形成された軸方向一端側部位において、本体ゴム弾性体１６の内孔１４に挿通されたスタビライザブッシュ１０２が、互いに組み付けられた第一加圧体４０と第二加圧体４２との間にセットされる。そして、そのような状態下で、第一加圧体４０と第二加圧体４２とが、それらの加圧面５８，７０において、スタビライザブッシュ１０２における各仕切部材２４の各突出部２９の外周面に、薄肉のゴム膜を介して接触して、それら各突出部２９を、上下方向において間に挟んだ挟持位置に配置される。   On the other hand, when manufacturing the objective stabilizer bar with a stabilizer bush using the stabilizer bush 102 and pressurization jig which have the structure shown in FIG. 27, first, the same operation procedure as said 1st embodiment is carried out. Thus, as shown in FIG. 30, the stabilizer bar 10 is provided with a stabilizer bush 102 inserted through the inner hole 14 of the main rubber elastic body 16 at one axial end portion where the adhesive layer 78 is formed on the outer peripheral surface. The first pressurizing body 40 and the second pressurizing body 42 assembled with each other are set. In such a state, the first pressurizing body 40 and the second pressurizing body 42 have the pressurizing surfaces 58 and 70, and the outer peripheral surfaces of the protruding portions 29 of the partition members 24 in the stabilizer bush 102. In addition, they come into contact with each other through a thin rubber film, and are arranged in a sandwiching position in which the projecting portions 29 are sandwiched between them in the vertical direction.

このとき、各仕切部材２４の突出部２９の内周面に固着された本体ゴム弾性体１６の内側ゴム部２６の内周面が、スタビライザバー１０に接触せしめられ、また、各仕切部材２４の軸方向中間部１０４は、スタビライザバー１０の外周面と接触せしめられることなく、かかる外周面に対して上下方向に所定の距離（図３０にＷ1 ，Ｗ2 にて示される寸法）を隔てて位置せしめられる。 At this time, the inner peripheral surface of the inner rubber portion 26 of the main rubber elastic body 16 fixed to the inner peripheral surface of the protruding portion 29 of each partition member 24 is brought into contact with the stabilizer bar 10. The axial intermediate portion 104 is not brought into contact with the outer peripheral surface of the stabilizer bar 10 and is separated from the outer peripheral surface by a predetermined distance in the vertical direction (dimensions indicated by W 1 and W 2 in FIG. 30). Be positioned.

その後、図３１に示されるように、第二加圧体４２から上方に突出する締付ボルト５２の先端部に、締付ナット７６が螺合されて、締め付けられることにより、第二加圧体４２が、下方に移動して、第一の加圧体４０に接近せしめられる。この締付ナット７６の締付けは、第二加圧体４２の第一加圧体４０への接近により、各仕切部材２４の軸方向中間部１０４の内周面が、スタビライザバー１０の外周面に当接するまで、つまり、各仕切部材２４の軸方向中間部１０４の内周面とスタビライザバー１０の外周面との間の距離：Ｗ1 ，Ｗ2 がゼロとなるまで行われる。 Thereafter, as shown in FIG. 31, the tightening nut 76 is screwed onto the tip of the tightening bolt 52 projecting upward from the second pressurizing body 42 and tightened, whereby the second pressurizing body. 42 moves downward to approach the first pressurizing body 40. The tightening of the tightening nut 76 causes the inner peripheral surface of the axial intermediate portion 104 of each partition member 24 to become the outer peripheral surface of the stabilizer bar 10 by the approach of the second pressurizing body 42 to the first pressurizing body 40. The process is performed until contact, that is, until the distances W 1 and W 2 between the inner peripheral surface of the axially intermediate portion 104 of each partition member 24 and the outer peripheral surface of the stabilizer bar 10 become zero.

かくして、スタビライザブッシュ１０２における各仕切部材２４の突出部２９が、第一加圧体４０と第二加圧体４２の各加圧部４８，５０の加圧面５８，７０にて、締付ナット７６の締付力に応じた加圧力で上方や下方に加圧され、それによって、本体ゴム弾性体１６の内孔１４の内周面（第一及び第二分割ゴム２０，２２の内周面）が、スタビライザバー１０の外周面に圧接される。このとき、第一及び第二加圧体４０，４２の各加圧面５８，７０からの加圧力は、本体ゴム弾性体１６の内側ゴム部２６に対してのみに作用せしめられる。   Thus, the protruding portions 29 of the partition members 24 in the stabilizer bush 102 are tightened by the tightening nuts 76 on the pressurizing surfaces 58 and 70 of the pressurizing portions 48 and 50 of the first pressurizing body 40 and the second pressurizing body 42. Is pressed upward or downward with a pressurizing force corresponding to the tightening force of the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 (inner peripheral surfaces of the first and second divided rubbers 20 and 22). Is pressed against the outer peripheral surface of the stabilizer bar 10. At this time, the pressure applied from the pressure surfaces 58 and 70 of the first and second pressure bodies 40 and 42 is applied only to the inner rubber portion 26 of the main rubber elastic body 16.

その後、かかる状態下で、常温で又は所定の高温環境下で所定時間放置されて、接着剤層７８が硬化せしめられる。これにより、スタビライザバー１０の軸方向一端側部分が、スタビライザブッシュ１０２における本体ゴム弾性体１６の内孔１４の内周面に接着されて、かかるスタビライザブッシュ１０２に位置固定に取り付けられる。そして、それに引き続いて、スタビライザバー１０の軸方向の他端部に対しても、上記と同様な操作により、スタビライザブッシュ１０２が位置固定に取り付けられ、以て、目的とするスタビライザブッシュ付スタビライザバーが得られることとなる。   Thereafter, the adhesive layer 78 is hardened by being left at a normal temperature or in a predetermined high temperature environment for a predetermined time under such a state. Thereby, the axial direction one end side part of the stabilizer bar 10 is adhere | attached on the internal peripheral surface of the inner hole 14 of the main body rubber elastic body 16 in the stabilizer bush 102, and it is attached to this stabilizer bush 102 by fixed position. Subsequently, the stabilizer bush 102 is fixedly attached to the other end portion of the stabilizer bar 10 in the axial direction by the same operation as described above, so that the target stabilizer bar with the stabilizer bush is provided. Will be obtained.

このように、本実施形態において、２種類のスタビライザブッシュ１００，１０２の何れを用いる場合にあっても、スタビライザバー１０を本体ゴム弾性体１６の内孔１４の内周面に接着する際に、締付ナット７６の締付ボルト５２に対する締付けによる第一及び第二加圧体４０，４２の相互の接近に伴って、各仕切部材２４の突出部２９の内周面や軸方向中間部１０４の内周面が、スタビライザバー１０の外周面に当接したときに、第一及び第二加圧体４０，４２の相互の接近が停止せしめられて、本体ゴム弾性体１６に埋設された各仕切部材２４の各突出部２９に対する各加圧体４０，４２の加圧面５８，７０からの加圧量が規定されると共に、本体ゴム弾性体１６の内孔１４の内周面によるスタビライザバー１０の外周面への圧接量が規定され得るようになっている。   As described above, in the present embodiment, when the stabilizer bar 10 is bonded to the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 regardless of which of the two types of stabilizer bushes 100 and 102 is used, As the first and second pressurizing bodies 40 and 42 come close to each other by tightening the tightening nut 76 to the tightening bolt 52, the inner peripheral surface of the projecting portion 29 of each partition member 24 and the axial intermediate portion 104. When the inner peripheral surface comes into contact with the outer peripheral surface of the stabilizer bar 10, the first and second pressurizing bodies 40 and 42 are stopped from approaching each other, and each partition embedded in the main rubber elastic body 16 is used. The amount of pressurization from the pressurizing surfaces 58 and 70 of the pressurizing bodies 40 and 42 to the projecting portions 29 of the member 24 is defined, and the stabilizer bar 10 by the inner peripheral surface of the inner hole 14 of the main rubber elastic body 16 is defined. The amount of pressure contact to the outer surface is So that the may be constant.

それ故、かかる本実施形態にあっても、前記第一乃至第三の実施形態と同様な優れた作用・効果が、有効に享受され得る。   Therefore, even in this embodiment, the same excellent actions and effects as those of the first to third embodiments can be enjoyed effectively.

そして、このような本実施形態では、特に、第一及び第二加圧体４０，４２の相互の接近に伴って、本体ゴム弾性体１６の内側ゴム部２６が徐々に圧縮変形せしめられ、そうした上で、各仕切部材２４の突出部２９や軸方向中間部１０４のそれぞれの内周面が、スタビライザバー１０の外周面に当接されるようになる。そのため、スタビライザバー１０の外周面への仕切部材２９の当接時に生ずる衝撃力が、十分に小さく為され得、それによって、スタビライザバー１０と仕切部材２４との当接時に、衝突音が生ずることや、スタビライザバー１０の外周面に塗膜層が形成されている場合には、かかる塗膜層が、仕切部材２４の当接によって剥離するようなことが、可及的に解消乃至は抑制され得るのである。   In this embodiment, particularly, the inner rubber portion 26 of the main rubber elastic body 16 is gradually compressed and deformed as the first and second pressure bodies 40 and 42 approach each other. Above, the inner peripheral surfaces of the protruding portions 29 of the partition members 24 and the axially intermediate portion 104 come into contact with the outer peripheral surface of the stabilizer bar 10. Therefore, the impact force generated when the partition member 29 comes into contact with the outer peripheral surface of the stabilizer bar 10 can be made sufficiently small, thereby causing a collision sound when the stabilizer bar 10 and the partition member 24 are brought into contact with each other. In the case where a coating film layer is formed on the outer peripheral surface of the stabilizer bar 10, the peeling of the coating film layer due to the contact of the partition member 24 is eliminated or suppressed as much as possible. To get.

以上、本発明の具体的な構成について詳述してきたが、これはあくまでも例示に過ぎないものであって、本発明は、上記の記載によって、何等の制約をも受けるものではない。   The specific configuration of the present invention has been described in detail above. However, this is merely an example, and the present invention is not limited by the above description.

例えば、加圧治具における複数の加圧体４０，４２，８６は、前記せる幾つかの実施形態に示されるものに何等限定されるものではなく、各仕切部材２４の突出部２９の外周面に接触して、互いに接近可能とされておれば、その配設個数や具体的形状等は、何等限定されるものではない。   For example, the plurality of pressure bodies 40, 42, 86 in the pressure jig are not limited to those shown in some embodiments described above, and the outer peripheral surface of the protruding portion 29 of each partition member 24. As long as they are in contact with each other and can be approached to each other, the number of arrangement, the specific shape, and the like are not limited at all.

また、そのような複数の加圧体４０，４２，８６を接近させる位置変位機構も、締付けボルト５２と締付ナット７６による締結機構を利用したものや、油圧シリンダ等の駆動機構を利用したものの他、複数の加圧体４０，４２，８６に対して外力を与えて接近させ得る公知の機構が、何れも採用され得る。   In addition, such a position displacement mechanism for bringing the plurality of pressurizing bodies 40, 42, and 86 close to each other uses a fastening mechanism including a fastening bolt 52 and a fastening nut 76, or a drive mechanism such as a hydraulic cylinder. In addition, any known mechanism that can apply an external force to the plurality of pressurizing bodies 40, 42, and 86 can be employed.

さらに、位置決め突部６０，７２，９６を加圧体４０，４２，８６に設ける場合にも、全ての加圧体４０，４２，８６に設ける必要はなく、それらのうちの何れか一つに設ければ良く、また一つの加圧体４０，４２，８６に対して、複数個設けることも可能である。また、その形成位置も、例示のものに限定されものでないことは、言うまでもないところである。   Furthermore, even when the positioning protrusions 60, 72, 96 are provided on the pressure bodies 40, 42, 86, it is not necessary to provide them on all the pressure bodies 40, 42, 86, and any one of them is required. It suffices to provide a plurality of pressurizing bodies 40, 42, and 86. Further, it goes without saying that the formation position is not limited to the example.

更にまた、仕切部材２４が、本体ゴム弾性体１６の内部に、３個以上埋設されていても、何等差し支えない。   Furthermore, even if three or more partition members 24 are embedded in the main rubber elastic body 16, there is no problem.

加えて、本実施形態では、本発明を、自動車用の防振ブッシュ付スタビライザバーの製造方法に適用したものの具体例を示したが、本発明は、自動車用以外の防振ブッシュ付スタビライザバーの製造方法の何れに対しても有利に適用され得ることは、勿論である。   In addition, in the present embodiment, the present invention is applied to a method for manufacturing a stabilizer bar with an anti-vibration bush for an automobile. However, the present invention is not limited to an anti-vibration bushing stabilizer bar for an automobile. Of course, it can be advantageously applied to any of the manufacturing methods.

その他、一々列挙はしないが、本発明は、当業者の知識に基づいて種々なる変更、修正、改良等を加えた態様において実施され得るものであり、また、そのような実施態様が、本発明の趣旨を逸脱しない限り、何れも、本発明の範囲内に含まれるものであることは、言うまでもないところである。   In addition, although not enumerated one by one, the present invention can be carried out in a mode to which various changes, modifications, improvements, etc. are added based on the knowledge of those skilled in the art. It goes without saying that all are included in the scope of the present invention without departing from the spirit of the present invention.

本発明手法に従って製造されたスタビライザブッシュ付スタビライザバーの一実施形態を示す正面説明図である。It is front explanatory drawing which shows one Embodiment of the stabilizer bar with a stabilizer bush manufactured according to this invention technique. 図１に示されるスタビライザブッシュ付スタビライザバーに取り付けられるスタビライザブッシュの一例を示す横断面説明図である。It is a cross-sectional explanatory drawing which shows an example of the stabilizer bush attached to the stabilizer bar with a stabilizer bush shown by FIG. 図２におけるIII−III断面説明図である。FIG. 3 is an explanatory view taken along the line III-III in FIG. 2. 図１に示されたスタビライザブッシュ付スタビライザバーを製造するのに用いられる加圧治具の一例を示す正面分解説明図である。It is a front exploded explanatory drawing which shows an example of the pressurization jig | tool used for manufacturing the stabilizer bar with a stabilizer bush shown by FIG. 図４におけるＶ−Ｖ断面説明図である。FIG. 5 is a VV cross-sectional explanatory diagram in FIG. 4. 図２に示された加圧治具を用いて、図１に示されたスタビライザブッシュ付スタビライザバーを製造する際の工程の一例を示す説明図であって、加圧治具の第一加圧体に、スタビライザブッシュの一部を構成する第二の一体加硫成形品をセットした状態を示している。It is explanatory drawing which shows an example of the process at the time of manufacturing the stabilizer bar with a stabilizer bush shown in FIG. 1 using the pressurization jig | tool shown in FIG. The state which set the 2nd integral vulcanization molded product which comprises a part of stabilizer bush to the body is shown. 図６における VII矢視説明図である。It is VII arrow explanatory drawing in FIG. 図６に示される工程に引き続いて行われる工程を示す説明図であって、第二の一体加硫成形品に対して第一の一体加硫成形品を組み付けて、本体ゴム弾性体を形成すると共に、かかる本体ゴム弾性体の内孔に、予め接着剤層が外周面に形成されたスタビライザバーを挿入位置せしめた状態を示している。It is explanatory drawing which shows the process performed following the process shown by FIG. 6, Comprising: A 1st integral vulcanization molded product is assembled | attached with respect to a 2nd integral vulcanization molded product, and a main body rubber elastic body is formed. In addition, a state is shown in which a stabilizer bar having an adhesive layer formed in advance on the outer peripheral surface is inserted into the inner hole of the main rubber elastic body. 図８に示される工程に引き続いて行われる工程を示す説明図であって、第一加圧体と第二加圧体とを相互に組み付けて、それらの間に、本体ゴム弾性体から突出する仕切部材の突出部を挟持せしめた状態を示している。It is explanatory drawing which shows the process performed following the process shown by FIG. 8, Comprising: A 1st pressurization body and a 2nd pressurization body are mutually assembled | attached, and it protrudes from a main rubber elastic body between them. The state which clamped the protrusion part of the partition member is shown. 図９におけるＸ矢視説明図である。It is X arrow explanatory drawing in FIG. 図９に示される工程に引き続いて行われる工程を示す説明図であって、第一加圧体と第二加圧体のそれぞれの加圧部にて、仕切部材の突出部を加圧して、本体ゴム弾性体とスタビライザバーとを接着固定している状態を示している。It is explanatory drawing which shows the process performed following the process shown by FIG. 9, Comprising: Pressurize the protrusion part of a partition member in each pressurization part of a 1st pressurization body and a 2nd pressurization body, A state where the main rubber elastic body and the stabilizer bar are bonded and fixed is shown. 本発明手法に従って、スタビライザブッシュ付スタビライザバーを製造する際に用いられる加圧治具の別の例を示す図４に対応する図である。It is a figure corresponding to FIG. 4 which shows another example of the pressurization jig | tool used when manufacturing the stabilizer bar with a stabilizer bush according to this invention method. 図１２におけるXIII−XIII断面説明図である。It is XIII-XIII sectional explanatory drawing in FIG. 図１に示されるスタビライザブッシュ付スタビライザバーに取り付けられるスタビライザブッシュの別の例を示す横断面説明図である。It is a cross-sectional explanatory drawing which shows another example of the stabilizer bush attached to the stabilizer bar with a stabilizer bush shown by FIG. 図１４におけるXV−XV断面説明図である。It is XV-XV sectional explanatory drawing in FIG. 図１３に示された加圧治具と図１４に示されたスタビライザブッシュとを用いて、目的とするスタビライザブッシュ付スタビライザバーを製造する際の工程の一例を示す説明図であって、図９に対応する図である。FIG. 15 is an explanatory view showing an example of a process for manufacturing a target stabilizer bar with a stabilizer bush using the pressurizing jig shown in FIG. 13 and the stabilizer bush shown in FIG. It is a figure corresponding to. 図１６におけるXVII矢視説明図である。It is XVII arrow explanatory drawing in FIG. 図１６に示される工程に引き続いて行われる工程を示す説明図であって、図１１に対応する図である。It is explanatory drawing which shows the process performed following the process shown by FIG. 16, Comprising: It is a figure corresponding to FIG. 本発明手法に従って、スタビライザブッシュ付スタビライザバーを製造する際に用いられる加圧治具の更に別の例を示す縦断面説明図であって、図２０のXIX−XIX断面に相当する図である。FIG. 21 is a longitudinal cross-sectional explanatory view showing still another example of a pressurizing jig used when manufacturing a stabilizer bar with a stabilizer bush according to the method of the present invention, corresponding to the XIX-XIX cross section of FIG. 20. 図１９におけるXX矢視説明図である。It is explanatory drawing XX in FIG. 図１９に示された加圧治具と図１４に示されたスタビライザブッシュとを用いて、目的とするスタビライザブッシュ付スタビライザバーを製造する際の工程の一例を示す説明図であって、複数の加圧体の間に、本体ゴム弾性体から突出する仕切部材の突出部を挟持せしめた状態で、スタビライザブッシュ（第一及び第二の一体加硫成形品の組付体）を加圧治具にセットした状態を示している。It is explanatory drawing which shows an example of the process at the time of manufacturing the objective stabilizer bar with a stabilizer bush using the pressurization jig | tool shown in FIG. 19, and the stabilizer bush shown in FIG. With the protruding part of the partition member protruding from the main rubber elastic body sandwiched between the pressing bodies, the stabilizer bush (assembled body of the first and second integrally vulcanized molded products) is pressed with the pressing jig. The set state is shown. 図２１におけるXXII矢視説明図である。It is XXII arrow explanatory drawing in FIG. 図２１に示される工程に引き続いて行われる工程を示す説明図であって、複数の加圧体のそれぞれの加圧部にて、仕切部材の突出部を加圧して、本体ゴム弾性体とスタビライザバーとを接着固定している状態を示している。It is explanatory drawing which shows the process performed following the process shown by FIG. 21, Comprising: The protrusion part of a partition member is pressurized in each pressurization part of a some pressurization body, and a main body rubber elastic body and a stabilizer It shows a state where the bar is bonded and fixed. 図２３におけるXXIV矢視説明図である。It is XXIV arrow explanatory drawing in FIG. 本発明手法に従って、スタビライザブッシュ付スタビライザバーを製造する際に用いられる加圧治具の他の例を示す縦断面説明図であって、図５に対応する図である。FIG. 6 is a longitudinal cross-sectional explanatory view showing another example of a pressing jig used when manufacturing a stabilizer bar with a stabilizer bush according to the method of the present invention, corresponding to FIG. 5. 図１に示されるスタビライザブッシュ付スタビライザバーに取り付けられるスタビライザブッシュの他の例を示す横断面説明図である。It is a cross-sectional explanatory drawing which shows the other example of the stabilizer bush attached to the stabilizer bar with a stabilizer bush shown by FIG. 図１に示されるスタビライザブッシュ付スタビライザバーに取り付けられるスタビライザブッシュの更に他の例を示す横断面説明図である。It is a cross-sectional explanatory drawing which shows the further another example of the stabilizer bush attached to the stabilizer bar with a stabilizer bush shown by FIG. 図２５に示された加圧治具と図２６に示されたスタビライザブッシュとを用いて、目的とするスタビライザブッシュ付スタビライザバーを製造する際の工程の一例を示す説明図であって、図９に対応する図である。FIG. 29 is an explanatory view showing an example of a process for manufacturing a target stabilizer bar with a stabilizer bush using the pressurizing jig shown in FIG. 25 and the stabilizer bush shown in FIG. It is a figure corresponding to. 図２８に示される工程に引き続いて行われる工程を説明するための図であって、図１１に対応する図である。It is a figure for demonstrating the process performed following the process shown by FIG. 28, Comprising: It is a figure corresponding to FIG. 図２５に示された加圧治具と図２７に示されたスタビライザブッシュとを用いて、目的とするスタビライザブッシュ付スタビライザバーを製造する際の工程の一例を示す説明図であって、図９に対応する図である。FIG. 28 is an explanatory diagram showing an example of a process for manufacturing a target stabilizer bar with a stabilizer bush using the pressurizing jig shown in FIG. 25 and the stabilizer bush shown in FIG. 27. It is a figure corresponding to. 図３０に示される工程に引き続いて行われる工程を説明するための図であって、図１１に対応する図である。It is a figure for demonstrating the process performed following the process shown by FIG. 30, Comprising: It is a figure corresponding to FIG.

符号の説明Explanation of symbols

１０ スタビライザバー
１２，８０，１００，１０２ スタビライザブッシュ
１４ 内孔 １６ 本体ゴム弾性体
２４ 仕切部材 ２６ 内側ゴム部
２８ 外側ゴム部 ２９ 突出部
４０ 第一加圧体 ４２ 第二加圧体
５２ 締付ボルト ５６，６８ 切欠部
５８，７０，８７ 加圧面 ６０，７２，９６ 位置決め突部部
６２，７４，９８ 接触面 ７６ 締付ナット
７８ 接着剤層 ８２ スリット状切欠部
８６ 加圧体 ９２ 収容孔
DESCRIPTION OF SYMBOLS 10 Stabilizer bar 12, 80, 100, 102 Stabilizer bush 14 Inner hole 16 Main body rubber elastic body 24 Partition member 26 Inner rubber part 28 Outer rubber part 29 Projection part 40 First pressurization body 42 Second pressurization body 52 Tightening bolt 56, 68 Notch 58, 70, 87 Pressurization surface 60, 72, 96 Positioning projection 62, 74, 98 Contact surface 76 Clamping nut 78 Adhesive layer 82 Slit notch 86 Pressurization body 92 Receiving hole

Claims (7)

軸方向に延びる内孔を有する筒状ゴム弾性体と、該筒状ゴム弾性体の外周面に固着されて、車体に取り付けられるブラケットと、該筒状ゴム弾性体の軸直角方向中間部に、該筒状ゴム弾性体を、軸直角方向中間部よりも内周側の部分と外周側の部分とに仕切るように埋設された分割筒体形状を呈する仕切部材の複数とを有して構成された防振ブッシュにおける該筒状ゴム弾性体の前記内孔にスタビライザバーが挿通されて、該防振ブッシュが、該スタビライザバーに対して、該筒状ゴム弾性体の内孔の内周面において接着固定されてなる防振ブッシュ付スタビライザバーを製造する方法であって、
前記複数の仕切部材が、周方向に互いに離間して位置せしめられると共に、それら各仕切部材の軸方向両側端部が、前記筒状ゴム弾性体の軸方向両側端面からそれぞれ突出する突出部とされた前記防振ブッシュを準備する工程と、
前記複数の仕切部材のうち、周方向に互いに離間するものにおける前記突出部の外周面にそれぞれ接触して、それらの突出部を間に挟んだ挟持位置に配置された状態から相互に接近可能とされて、かかる相互の接近により、該突出部を軸直角方向内方に加圧する複数の加圧体と、該複数の加圧体の位置を該仕切部材の軸直角方向において相互に接近させる位置変更機構と、該複数の加圧体のうちの少なくとも何れか一つに設けられ、該位置変更機構による該複数の加圧体の前記挟持位置からの相互の接近により、他部材と当接せしめられることで、該複数の加圧体の接近停止位置を規定する位置決め部とを含んで構成された加圧治具を準備する工程と、
前記筒状ゴム弾性体の内孔の内周面と、前記スタビライザバーにおける、該ゴム弾性体の内孔に挿通されるべき部位の外周面のうちの少なくとも何れか一方に、接着剤層を形成した後、該スタビライザバーを該筒状ゴム弾性体の内孔に挿通する工程と、
前記加圧治具における前記複数の加圧体を前記挟持位置に配置した後、前記位置変更機構による該複数の加圧体の該挟持位置からの相互の接近を、前記位置決め部が前記筒状ゴム弾性体の内孔に挿通された前記スタビライザバーの外周面に当接するまで実施して、該加圧体が接触する前記突出部を該加圧体にて軸直角方向内方に加圧することにより、該筒状ゴム弾性体の内孔の内周面を、該スタビライザバーにおける該内孔への挿通部位の外周面に圧接して、接着する工程と、
を含むことを特徴とする防振ブッシュ付スタビライザバーの製造方法。 A cylindrical rubber elastic body having an inner hole extending in the axial direction, a bracket fixed to the outer peripheral surface of the cylindrical rubber elastic body and attached to the vehicle body, and an axially perpendicular middle portion of the cylindrical rubber elastic body, The cylindrical rubber elastic body includes a plurality of partition members each having a divided cylindrical shape embedded so as to be partitioned into an inner peripheral portion and an outer peripheral portion with respect to the middle portion in the direction perpendicular to the axis. A stabilizer bar is inserted into the inner hole of the cylindrical rubber elastic body in the vibration isolating bush, and the vibration isolating bush is located on the inner peripheral surface of the inner hole of the cylindrical rubber elastic body with respect to the stabilizer bar. A method of manufacturing a stabilizer bar with an anti-vibration bush that is bonded and fixed,
The plurality of partition members are positioned to be spaced apart from each other in the circumferential direction, and both end portions in the axial direction of the partition members are projecting portions that project from both end surfaces in the axial direction of the cylindrical rubber elastic body. Preparing the anti-vibration bush;
Among the plurality of partition members, those that are spaced apart from each other in the circumferential direction are in contact with the outer peripheral surface of the protruding portion, and are accessible from each other in a state of being sandwiched between the protruding portions. The plurality of pressurizing bodies that pressurize the protrusions inward in the direction perpendicular to the axis and the positions where the positions of the plurality of pressurizing bodies approach each other in the direction perpendicular to the axis of the partition member. The change mechanism and at least one of the plurality of pressure bodies are provided in contact with each other by the mutual approach of the plurality of pressure bodies from the clamping position by the position change mechanism. A step of preparing a pressing jig configured to include a positioning unit that defines an approach stop position of the plurality of pressing bodies,
An adhesive layer is formed on at least one of the inner peripheral surface of the inner hole of the cylindrical rubber elastic body and the outer peripheral surface of a portion of the stabilizer bar to be inserted into the inner hole of the rubber elastic body. Then, the step of inserting the stabilizer bar into the inner hole of the cylindrical rubber elastic body,
After the plurality of pressurizing bodies in the pressurizing jig are arranged at the sandwiching position, the positioning unit is configured so that the position changing mechanism indicates that the plurality of pressurizing bodies are close to each other from the sandwiching position. The process is carried out until it comes into contact with the outer peripheral surface of the stabilizer bar inserted through the inner hole of the rubber elastic body, and the projecting portion that comes into contact with the pressurizing body is pressed inward in the direction perpendicular to the axis by the pressurizing body. By pressing the inner peripheral surface of the inner hole of the cylindrical rubber elastic body to the outer peripheral surface of the insertion portion to the inner hole in the stabilizer bar, and bonding,
The manufacturing method of the stabilizer bar with an anti-vibration bush characterized by including these. 前記位置決め部が、前記複数の加圧体のうちの少なくとも何れか一つに対して、それら複数の加圧体における前記相互の接近方向に突出する突起状形態を有して設けられる一方、該複数の加圧体が前記挟持位置に配置されたときに、該位置決め部が設けられた該加圧体が接触する前記仕切部材の前記突出部に、該位置決め部が挿通可能な切欠部が設けられて、前記位置変更機構による該複数の加圧体の前記挟持位置からの相互の接近により、該位置決め部が、該切欠部を挿通して、前記スタビライザバーの外周面に当接せしめられるようになっている請求項１に記載の防振ブッシュ付スタビライザバーの製造方法。   While the positioning portion is provided to at least any one of the plurality of pressure bodies, the protrusions project in the approaching direction of the plurality of pressure bodies, When a plurality of pressurizing bodies are arranged at the clamping position, a notch portion through which the positioning portion can be inserted is provided in the protruding portion of the partition member that contacts the pressurizing body provided with the positioning portion. The positioning portion is inserted into the notch portion and brought into contact with the outer peripheral surface of the stabilizer bar by the approach of the plurality of pressurizing bodies from the clamping position by the position changing mechanism. The manufacturing method of the stabilizer bar with an anti-vibration bush of Claim 1 which is. 前記複数の仕切部材が、円弧状の断面形状を有して、前記筒状ゴム弾性体の内孔と同軸的に位置せしめられていると共に、前記加圧体における該仕切部材の前記突出部との接触面が、円弧面とされている請求項１又は請求項２に記載の防振ブッシュ付スタビライザバーの製造方法。   The plurality of partition members have an arc-shaped cross-sectional shape, are positioned coaxially with the inner hole of the cylindrical rubber elastic body, and the protruding portions of the partition members in the pressurizing body The manufacturing method of the stabilizer bar with an anti-vibration bush of Claim 1 or Claim 2 made into the circular arc surface. 前記加圧体の三つ以上のものが、前記挟持位置に配置された状態から、前記位置変更機構により、前記筒状ゴム弾性体の内孔の軸心に向かって変位せしめられることで、相互に接近させられるようになっている請求項３に記載の防振ブッシュ付スタビライザバーの製造方法。   Three or more of the pressurizing bodies are displaced from the state of being arranged at the clamping position toward the axial center of the inner hole of the cylindrical rubber elastic body by the position changing mechanism. The manufacturing method of the stabilizer bar with an anti-vibration bush of Claim 3 made to approach. 前記加圧治具が、前記複数の加圧体を収容して、支持する収容孔を備えた支持体を更に含んで構成されると共に、該支持体の収容孔の内周面が、軸方向の一方側から他方側に向かって次第に大径化するテーパ面形状とされる一方、該複数の加圧体のそれぞれが、該支持体の収容孔の内周面形状に対応したテーパ面の周方向の一部分からなる外周面を有して構成され、そして、該複数の加圧体が前記挟持位置に配置された状態から、前記位置変更機構により、該支持体の軸方向一方側への変位と、該加圧体の軸方向他方側への変位のうちの少なくとも何れか一方の変位が行われて、該支持体の前記収容体の内周面と該加圧体の外周面とが相互に摺動せしめられることによって、前記筒状ゴム弾性体の内孔の軸心に向かって移動させられるようになっている請求項４に記載の防振ブッシュ付スタビライザバーの製造方法。   The pressurizing jig further includes a support having a receiving hole for receiving and supporting the plurality of pressurizing bodies, and the inner peripheral surface of the receiving hole of the support is axially Each of the plurality of pressurizing bodies has a tapered surface corresponding to the shape of the inner peripheral surface of the receiving hole of the support body. And a displacement of the plurality of pressure bodies from the state where the plurality of pressure bodies are arranged at the clamping position to one side in the axial direction of the support body by the position changing mechanism. And displacement of at least one of the displacements of the pressurizing body toward the other side in the axial direction is performed, so that the inner peripheral surface of the container and the outer peripheral surface of the pressurizing body are mutually So that it can be moved toward the axial center of the inner hole of the cylindrical rubber elastic body. Method for producing a vibration damping bushing with stabilizer bar of claim 4 are I. 軸方向に延びる内孔を有する筒状ゴム弾性体と、該筒状ゴム弾性体の外周面に固着されて、車体に取り付けられるブラケットと、該筒状ゴム弾性体の軸直角方向中間部に、該筒状ゴム弾性体を、軸直角方向中間部よりも内周側の部分と外周側の部分とに仕切るように埋設された分割筒体形状を呈する仕切部材の複数とを有して構成された防振ブッシュにおける該筒状ゴム弾性体の前記内孔にスタビライザバーが挿通されて、該防振ブッシュが、該スタビライザバーに対して、該筒状ゴム弾性体の内孔の内周面において接着固定されてなる防振ブッシュ付スタビライザバーを製造する方法であって、
前記複数の仕切部材が、周方向に互いに離間して位置せしめられると共に、それら各仕切部材の軸方向両側端部が、前記筒状ゴム弾性体の軸方向両側端面からそれぞれ突出する突出部とされた前記防振ブッシュを準備する工程と、
前記複数の仕切部材のうち、周方向に互いに離間するものにおける前記突出部の外周面にそれぞれ接触して、それらの突出部を間に挟んだ挟持位置に配置された状態から相互に接近可能とされて、かかる相互の接近により、該突出部を軸直角方向内方に加圧する複数の加圧体と、該複数の加圧体を該仕切部材の軸直角方向において相互に接近させる位置変更機構とを含んで構成された加圧治具を準備する工程と、
前記筒状ゴム弾性体の内孔の内周面と、前記スタビライザバーにおける、該ゴム弾性体の内孔に挿通されるべき部位の外周面のうちの少なくとも何れか一方に、接着剤層を形成した後、該スタビライザバーを該筒状ゴム弾性体の内孔に挿通する工程と、
前記加圧治具における前記複数の加圧体を前記挟持位置に配置した後、前記位置変更機構による該複数の加圧体の該挟持位置からの相互の接近を、該加圧体にて軸直角方向内方に加圧される前記突出部を備えた前記仕切部材の内周面の一部が、前記筒状ゴム弾性体の内孔に挿通された前記スタビライザバーの外周面に当接するまで実施して、該突出部を該加圧体にて加圧することにより、該筒状ゴム弾性体の内孔の内周面を、該スタビライザバーにおける該内孔への挿通部位の外周面に圧接して、接着する工程と、
を含むことを特徴とする防振ブッシュ付スタビライザバーの製造方法。 A cylindrical rubber elastic body having an inner hole extending in the axial direction, a bracket fixed to the outer peripheral surface of the cylindrical rubber elastic body and attached to the vehicle body, and an axially perpendicular middle portion of the cylindrical rubber elastic body, The cylindrical rubber elastic body includes a plurality of partition members each having a divided cylindrical shape embedded so as to be partitioned into an inner peripheral portion and an outer peripheral portion with respect to the middle portion in the direction perpendicular to the axis. A stabilizer bar is inserted into the inner hole of the cylindrical rubber elastic body in the vibration isolating bush, and the vibration isolating bush is located on the inner peripheral surface of the inner hole of the cylindrical rubber elastic body with respect to the stabilizer bar. A method of manufacturing a stabilizer bar with an anti-vibration bush that is bonded and fixed,
The plurality of partition members are positioned to be spaced apart from each other in the circumferential direction, and both end portions in the axial direction of the partition members are projecting portions that project from both end surfaces in the axial direction of the cylindrical rubber elastic body. Preparing the anti-vibration bush;
Among the plurality of partition members, those that are spaced apart from each other in the circumferential direction are in contact with the outer peripheral surface of the protruding portion, and are accessible from each other in a state of being sandwiched between the protruding portions. Then, by such mutual approach, a plurality of pressure bodies that pressurize the protrusions in the direction perpendicular to the axis, and a position changing mechanism that causes the plurality of pressure bodies to approach each other in the direction perpendicular to the axis of the partition member A step of preparing a pressure jig configured to include:
An adhesive layer is formed on at least one of the inner peripheral surface of the inner hole of the cylindrical rubber elastic body and the outer peripheral surface of a portion of the stabilizer bar to be inserted into the inner hole of the rubber elastic body. Then, the step of inserting the stabilizer bar into the inner hole of the cylindrical rubber elastic body,
After the plurality of pressure bodies in the pressure jig are arranged at the holding position, the position of the plurality of pressure bodies by the position changing mechanism can be adjusted by the pressure body. Until a part of the inner peripheral surface of the partition member provided with the projecting portion pressurized inward in the perpendicular direction comes into contact with the outer peripheral surface of the stabilizer bar inserted through the inner hole of the cylindrical rubber elastic body When the projecting portion is pressed with the pressure member, the inner peripheral surface of the inner hole of the cylindrical rubber elastic body is pressed against the outer peripheral surface of the insertion portion of the stabilizer bar into the inner hole. And the process of bonding,
The manufacturing method of the stabilizer bar with an anti-vibration bush characterized by including these. 前記準備される防振ブッシュにおける前記仕切部材の前記突出部が、前記ブラケットにおける前記筒状ゴム弾性体の固着部位の軸方向両側端面から、それぞれ突出せしめられている請求項１乃至請求項６のうちの何れか１項に記載の防振ブッシュ付スタビライザバーの製造方法。
The projecting portion of the partition member in the prepared vibration isolating bushing is projected from both end surfaces in the axial direction of the fixing portion of the cylindrical rubber elastic body in the bracket, respectively. The manufacturing method of the stabilizer bar with an anti-vibration bush of any one of them.
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JP2011094673A (en) * 2009-10-28 2011-05-12 Kurashiki Kako Co Ltd Manufacturing method for vibration isolating bushing and intermediate cylinder drawing device
JP2012240592A (en) * 2011-05-23 2012-12-10 Tokai Rubber Ind Ltd Stabilizer bushing for vehicle, and method of producing the same
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US20170080772A1 (en) * 2015-09-17 2017-03-23 Sumitomo Riko Company Limited Stabilizer bushing and bushing-equipped stabilizer bar using the same
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US11214112B2 (en) 2017-06-14 2022-01-04 ThyssenKrupp Federn und Stabilisatoren GmbH Stabilizer bar adhesive mount for a vehicle stabilizer bar, vehicle stabilizer bar having a stabilizer bar adhesive mount, and method for forming a stabilizer bar adhesive mount on a vehicle stabilizer bar
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JP2020083128A (en) * 2018-11-28 2020-06-04 トヨタ自動車株式会社 Stabilizer device and manufacturing method of stabilizer device
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