JPH0454336A - Synthetic resins bracket for building into vibration-proof device - Google Patents
Synthetic resins bracket for building into vibration-proof deviceInfo
- Publication number
- JPH0454336A JPH0454336A JP16390990A JP16390990A JPH0454336A JP H0454336 A JPH0454336 A JP H0454336A JP 16390990 A JP16390990 A JP 16390990A JP 16390990 A JP16390990 A JP 16390990A JP H0454336 A JPH0454336 A JP H0454336A
- Authority
- JP
- Japan
- Prior art keywords
- bracket
- hole
- synthetic resin
- mounting
- vibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920003002 synthetic resin Polymers 0.000 title claims abstract description 39
- 239000000057 synthetic resin Substances 0.000 title claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000002657 fibrous material Substances 0.000 claims abstract 2
- 230000002787 reinforcement Effects 0.000 claims abstract 2
- 239000012783 reinforcing fiber Substances 0.000 claims description 11
- 229920001778 nylon Polymers 0.000 abstract description 11
- 239000003365 glass fiber Substances 0.000 abstract description 10
- 239000004677 Nylon Substances 0.000 abstract description 9
- 239000004744 fabric Substances 0.000 abstract description 2
- 229920006122 polyamide resin Polymers 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 239000012778 molding material Substances 0.000 description 11
- 239000000835 fiber Substances 0.000 description 6
- 239000002759 woven fabric Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Landscapes
- Vehicle Body Suspensions (AREA)
- Springs (AREA)
Abstract
Description
【発明の詳細な説明】
（発明の利用分野）
この発明は自動車のサスペンションやエンジンマウント
に使用される防振ゴムの合成樹脂ブラケットに関し、特
に基体との取付部の補強構造にかかるものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Application of the Invention) The present invention relates to a synthetic resin bracket made of anti-vibration rubber used for automobile suspensions and engine mounts, and particularly relates to a reinforcing structure for the attachment portion to a base body.
（従来技術）
自動車のサスペンションブツシュやエンジンマウント等
に防振ゴムが多く使用されており、一般には金属製の内
外筒間にゴム弾性体を介した筒形防振ゴムが使用され、
これは内筒を拡径するか、外筒を絞り加工してゴム弾性
体に予備圧縮を与えるか、内外筒間にすぐりを形成して
ゴム弾性体をこの間に介するものであって、これを金属
製のブラケットの嵌合孔内に圧入するものである。(Prior art) Anti-vibration rubber is often used in automobile suspension bushes, engine mounts, etc. Generally, cylindrical anti-vibration rubber is used with a rubber elastic body interposed between inner and outer metal cylinders.
This is done by enlarging the diameter of the inner cylinder, drawing the outer cylinder to apply preliminary compression to the rubber elastic body, or forming a hollow between the inner and outer cylinders and inserting the rubber elastic body between them. It is press-fitted into the fitting hole of a metal bracket.
この金属のブラケットは全体が完全に剛体であり、基体
への取付用穴部も同様であってボルト及びナツト等によ
る締結の際にもその締結力による変形やへたり等の問題
は全くなかった。This metal bracket is completely rigid as a whole, and the holes for mounting on the base are the same, so even when fastened with bolts and nuts, there were no problems such as deformation or sagging due to the fastening force. .
（解決しようとする問題点）
しかるに自動車の軽量化のために金属部品に代って合成
樹脂製の部品が多く用いられるようになり、この防振ゴ
ム関係についても例外ではない。(Problem to be Solved) However, in order to reduce the weight of automobiles, parts made of synthetic resin are increasingly being used instead of metal parts, and vibration-proof rubber-related parts are no exception.
しかしながら、合成樹脂製のブラケットにあっては完全
には剛体を形成することはできず、特に基体への取付用
穴部を構成するための中子等の周辺にあっては、注型さ
れた合成樹脂成形材料の両側からの当該成形材料の流れ
によって穴部が形成されることになるが、この成形材料
のウェルド（接合面）が生じこのウェルド部の強度が他
の部分より低下するという問題があり、特にこの部分は
締結力及びモーメントが作用する部位であって大きな問
題点を残していた。However, it is not possible to form a completely rigid body with a bracket made of synthetic resin, and especially around the core etc. that forms the hole for mounting to the base, it is impossible to form a completely rigid body. A hole is formed by the flow of the molding material from both sides of the synthetic resin molding material, but the problem is that this molding material welds (joint surfaces) and the strength of this weld part is lower than other parts. In particular, this part is a part where fastening force and moment are applied, and this poses a major problem.
（目的）
本発明は、防振ゴムが組み込まれる合成樹脂ブラケット
の基体への取付用穴部の強度向上を目的としたものであ
る。(Objective) The object of the present invention is to improve the strength of the mounting hole to the base of a synthetic resin bracket in which a vibration-proof rubber is incorporated.
（解決手段）
本発明は以上の目的を達成するために次のような構成を
採用した。(Solution Means) In order to achieve the above object, the present invention employs the following configuration.
即ち、その発明の第１は防振装置組込み用スペースと基
体への取付用穴部とを備えた合成樹脂ブラケットであっ
て、前記取付用穴部は当該穴径を画定するインサート金
具とこのインサート金具の周囲を補強繊維材にて囲んで
合成樹脂内に埋入して前記穴部が形成されたことを特徴
とする防振装置組込み用合成樹脂ブラケットであって、
その第２は前記取付用穴部が合成樹脂成形金型の突出中
子によって内径が画定され、この内径を囲んで補強繊維
材が合成樹脂内に埋火されていることを特徴とするもの
である。That is, the first aspect of the invention is a synthetic resin bracket having a space for incorporating a vibration isolator and a hole for mounting to a base body, and the mounting hole has an insert fitting that defines the diameter of the hole and the insert. A synthetic resin bracket for incorporating a vibration isolator, characterized in that the hole is formed by surrounding the metal fitting with a reinforcing fiber material and embedding it in a synthetic resin,
The second feature is that the inner diameter of the mounting hole is defined by a protruding core of a synthetic resin mold, and a reinforcing fiber material is embedded in the synthetic resin surrounding this inner diameter. be.
−そして繊維補強材は前記穴部の軸方向に層状をなして
重ねられるか、穴部の半径方向に層状をなして重ねられ
るかして合成樹脂中に埋入されるものである。- The fiber reinforcing material is embedded in the synthetic resin in layers in the axial direction of the hole or in layers in the radial direction of the hole.
本発明において用いられるブラケットを成形する合成樹
脂成形材料はその使用状態、締結力等によって選択され
得るが、その代表例はポリアミドであって、その他ポリ
アセタール、ポリカーボネート、ポリエチレンテレフタ
レート、ポリフェニレンスルフィド等が使用され得るも
ので、これら成形材料中には必要に応じてガラス短繊維
等の充填材が配合されるものである。The synthetic resin molding material for molding the bracket used in the present invention can be selected depending on its usage condition, fastening force, etc., but a typical example thereof is polyamide, and other materials such as polyacetal, polycarbonate, polyethylene terephthalate, polyphenylene sulfide, etc. are used. Fillers such as short glass fibers are blended into these molding materials as necessary.
これら合成樹脂成形材料のブラケット成形用金型内へは
射出成形が一般的である。Injection molding of these synthetic resin molding materials into bracket molding molds is common.
又穴部を囲む補強繊維材は織布或は不織布の形状をなし
たシート状物であり、これを必要層だけ重ね合わせるも
のであって、穴部に対して軸方向に重ねる場合もあるが
、これを穴部の半径方向に層をなす、即ち穴部を中心と
してロール状に巻いたものであってもよい。In addition, the reinforcing fiber material surrounding the hole is a sheet-like material in the form of woven or non-woven fabric, and only the necessary layers are overlapped, and in some cases they are overlapped in the axial direction with respect to the hole. , which may be layered in the radial direction of the hole, that is, wound into a roll around the hole.
かかる補強繊維体はガラス繊維が一般的ではあるが、そ
の他アルミナ繊維、炭素繊維等の無機質繊維であっても
よく、場合によっては有機質繊維であってもかまわない
。Such reinforcing fibers are generally glass fibers, but may also be other inorganic fibers such as alumina fibers and carbon fibers, and in some cases may be organic fibers.
又、例えば織成において、目の荒さ等は任意に選択でき
るが、成形金型内に注型される合成樹脂成形材料がそれ
ほど抵抗な（繊維体層の内部に流れ程度の荒さが望まし
い。In addition, for example, in weaving, the roughness etc. can be selected arbitrarily, but it is desirable that the roughness is such that the synthetic resin molding material poured into the molding die does not have much resistance (flowing into the inside of the fibrous layer).
この補強繊維体は前記したようにその内部にまで合成樹
脂成形材料が侵入して一体化されることになるが、繊維
体中に予め注型される合成樹脂と同種の材料よりなる繊
維を混成しておき、これを用いることによって同種の合
成樹脂同士の一体化を行わせると共に補強繊維体と合成
樹脂とのからみを緊密にさせることも可能である。As mentioned above, the synthetic resin molding material penetrates into the reinforcing fiber body and integrates it, but fibers made of the same type of material as the synthetic resin that is cast into the fiber body in advance are mixed. By using this, it is possible to integrate the same type of synthetic resins and also to tightly entangle the reinforcing fiber body and the synthetic resin.
例えばブラケットを形成する合成樹脂が６．６−ナイロ
ン（ポリアミド）である場合、ガラス繊維と６−ナイロ
ン繊維とを織成した補強繊維体を用い、６．６−ナイロ
ンの注型時あ温度を利用して、ガラス繊維と織成されて
いる６−ナイロンを溶融状態としてナイロン同士を一体
化させてしまうものである。For example, when the synthetic resin forming the bracket is 6.6-nylon (polyamide), a reinforcing fiber body made of woven glass fibers and 6-nylon fibers is used, and the same temperature is used when casting the 6.6-nylon. In this way, the 6-nylon woven with glass fibers is melted and the nylons are integrated with each other.
この他の例としてはガラス繊維織布と６−ナイロン織布
とを交互に重ね合わせておき、６．６−ナイロンを注型
することも同様の目的を達することができる。As another example, the same purpose can be achieved by layering glass fiber woven fabric and 6-nylon woven fabric alternately and then casting 6.6-nylon.
（作用）
本発明は補強繊維体を穴部の周囲に予め配置しておき、
これに注型した合成樹脂成形材料を含浸した形をなすた
めにブラケットの成形工程は一段ですむと共に、この穴
部周囲での注型された合成樹脂成形材料同士のウェルド
に対しては穴部を囲ったこの補強ｗ４維体の存在により
強度低下はもたらさず、大きな締結力に対しても抗し得
ることになったのである。(Function) In the present invention, reinforcing fibers are arranged around the hole in advance,
The molding process for the bracket is only one step because it is impregnated with the cast synthetic resin molding material. Due to the presence of this reinforcing W4 fiber surrounding the frame, there was no decrease in strength, and it was possible to withstand large fastening forces.
尚、ガラスｍ＊等を配合した合成樹脂材料によって穴部
が形成されたインサート部品を予め成形し、これをブラ
ケット成形型の所定位置に装着しておいてから合成樹脂
材料を注型し一体化することも考えられるが、この場合
は注型する合成樹脂成形材料とインサート部品の合成樹
脂との接合面が充分に溶融一体化することはまれであっ
て、やはりこの境界部からの亀裂の発生や強度低下をも
たらして余り好ましくはない。In addition, an insert part with a hole formed in it is molded in advance from a synthetic resin material mixed with glass m*, etc., and this is installed in a predetermined position of the bracket mold, and then the synthetic resin material is cast and integrated. However, in this case, it is rare that the joint surface between the synthetic resin molding material to be cast and the synthetic resin of the insert part is sufficiently melted and integrated, and cracks may occur from this boundary. This is not very preferable because it causes a decrease in strength.
（具体例） 以下具体例をもって更に本発明を説明する。(Concrete example) The present invention will be further explained below using specific examples.
第１図は防振ゴムをこれに組込んでなる本発明のブラケ
ットの正面図であって、１は合成樹脂製ブラケットであ
り、スペース２内に防振装置Ａが組込まれている。FIG. 1 is a front view of a bracket of the present invention in which vibration isolating rubber is incorporated, in which reference numeral 1 is a synthetic resin bracket, and a vibration isolating device A is incorporated within a space 2.
そして３は金属製内筒、４は金属製外筒であって、その
間をゴム弾性体５が橋架けしている筒形ブツシュタイプ
の防振装ｆｆ１Ａであって、６．７はすぐりを表わす。3 is a metal inner cylinder, 4 is a metal outer cylinder, and a cylindrical bush type vibration isolator ff1A is formed by bridging the rubber elastic body 5 between them, and 6.7 is a metal outer cylinder. represent.
第２図はこの平面図であって、防振装ｆｆ１ｆＡをはさ
んでブラケット１には両側にフランジ８が形成されてい
て、これに基体との取付用穴９が設けられている。FIG. 2 is a plan view of this structure, in which flanges 8 are formed on both sides of the bracket 1 across the vibration isolator ff1fA, and holes 9 for attachment to the base body are provided in the flanges 8.
そして第３図はこの取付用穴９の中央断面図を示すもの
であって（イ）は第１発明の構造をもつブラケット１の
略示図であり、（ロ）は第２発明の構造のブラケットｌ
の略示図である。FIG. 3 shows a central sectional view of this mounting hole 9, in which (a) is a schematic diagram of the bracket 1 having the structure of the first invention, and (b) is a schematic diagram of the bracket 1 having the structure of the second invention. bracket l
FIG.
第３図（イ）において、インサート金具１ｏによって取
付用穴の大きさは画定しているが、この金具１０の両端
フランジ１１．１２間に第４図に示すような中央に穴１
３があけられたガラス繊維織布１４を重ねてはめこみ、
この状態でブラケット成形型内の所定位置に装着し、そ
の後型内に合成樹脂成形材料を注型することになる。In FIG. 3(A), the size of the mounting hole is defined by the insert metal fitting 1o, but a hole 1 is placed in the center between the flanges 11 and 12 at both ends of this metal fitting 10 as shown in FIG.
The glass fiber fabrics 14 with holes 3 are stacked and fitted,
In this state, the bracket is mounted at a predetermined position in a mold, and then a synthetic resin molding material is poured into the mold.
この例ではブラケット１はポリアミド樹脂（６ローナイ
ロン）をもって成形されたもので、約２８０℃に溶融さ
れた６、６−ナイロンを耐圧成形法によって型内（図示
せず）に射出してブラケット１を成形した。In this example, the bracket 1 is molded from polyamide resin (6-low nylon), and the bracket 1 is made by injecting 6,6-nylon melted at about 280°C into a mold (not shown) using a pressure molding method. was molded.
第３図（ロ）において、第４図に示すようなガラス繊維
織布１４を型内に突出した中子（図示せず）に所定の厚
さになるだけ嵌合させ、この状態で同様に６．６−ナイ
ロンをもって射出成形してブラケットを得た。In FIG. 3 (b), the glass fiber woven fabric 14 as shown in FIG. 6. A bracket was obtained by injection molding with 6-nylon.
本発明の具体例において防振装置は筒形の防振ゴムをも
って説明したが、勿論これに限られることはなく、又、
ブラケットの全体構造も他の防振装置に適合する各種の
形状を採り得るものであることは言うまでもない。In the specific examples of the present invention, the vibration isolating device has been explained using a cylindrical vibration isolating rubber, but it is of course not limited to this, and
It goes without saying that the overall structure of the bracket can also take various shapes that are compatible with other vibration isolators.
（効果）
本発明で得られたブラケットは、実験の結果、従来の金
属製のブラケットと同様の取付にも充分耐えられること
が判明し、これを自動車等に用いることによって軽量化
の目的を充分に達することができるようになったもので
ある。(Effects) As a result of experiments, it was found that the bracket obtained by the present invention can sufficiently withstand mounting similar to conventional metal brackets, and by using it in automobiles, etc., it can sufficiently achieve the purpose of weight reduction. It is now possible to reach.
第１図は防振ゴムをこれに組込んでなる本発明のブラケ
ットの正面図、第２図はこの平面図、第３図はこの取付
用穴９の中央断面図を示すものであって（イ）は第１発
明の構造をもつブラケット１の略示図、（口〕は第２発
明の構造のブラケット１の略示図、第４図に示すような
ガラス繊維織布の斜視図である。
ｌ・・・合成樹脂製ブラケット。
２・・・スペース
３・・・金属製内筒、
４・・・金属製外筒
５・・・ゴム弾性体
６．７・・・すぐり
８・・・フランジ
９・・・取付用穴
１０・・・インサート金具
１４・・・ガラス繊維織布
Ａ・・・防振装置FIG. 1 is a front view of a bracket of the present invention in which anti-vibration rubber is incorporated, FIG. 2 is a plan view of this bracket, and FIG. 3 is a central sectional view of this mounting hole 9. A) is a schematic diagram of the bracket 1 having the structure of the first invention, (opening) is a schematic diagram of the bracket 1 having the structure of the second invention, and a perspective view of the glass fiber woven fabric as shown in FIG. l...Synthetic resin bracket. 2...Space 3...Metal inner cylinder, 4...Metal outer cylinder 5...Rubber elastic body 6.7...Sinking 8... Flange 9...Mounting hole 10...Insert fitting 14...Glass fiber woven fabric A...Vibration isolator
Claims (4)
とを備えた合成樹脂ブラケットであって、前記取付用穴
部は当該穴径を画定するインサート金具とこのインサー
ト金具の周囲を補強繊維材にて囲んで合成樹脂内に埋入
して前記穴部が形成されたことを特徴とする防振装置組
込み用合成樹脂ブラケット。(1) A synthetic resin bracket with a space for incorporating a vibration isolator and a hole for mounting to the base, the mounting hole having a metal insert that defines the diameter of the hole and a reinforcement around the insert. A synthetic resin bracket for incorporating a vibration isolator, characterized in that the hole is formed by surrounding it with a fiber material and embedding it in a synthetic resin.
とを備えた合成樹脂ブラケットであって、前記取付用穴
部は合成樹脂成形金型の突出中子によつて内径が画定さ
れ、この内径を囲んで補強繊維材が合成樹脂内に埋入さ
れていることを特徴とする防振装置組込み用合成樹脂ブ
ラケット。(2) A synthetic resin bracket having a space for incorporating a vibration isolator and a hole for mounting to the base, the inner diameter of the mounting hole being defined by a protruding core of a synthetic resin mold. A synthetic resin bracket for incorporating a vibration isolator, characterized in that a reinforcing fiber material is embedded in the synthetic resin surrounding the inner diameter.
ねられた請求項第１項及至第２項記載の防振装置組込み
用合成樹脂ブラケット。(3) The synthetic resin bracket for incorporating a vibration isolator according to any one of claims 1 and 2, wherein the reinforcing fiber material is layered in the axial direction of the hole.
重ねられた請求項第１項及至第２項記載の防振装置組込
み用合成樹脂ブラケット。(4) The synthetic resin bracket for incorporating a vibration isolator according to any one of claims 1 and 2, wherein the reinforcing fiber material is layered in the radial direction of the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16390990A JPH0454336A (en) | 1990-06-20 | 1990-06-20 | Synthetic resins bracket for building into vibration-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16390990A JPH0454336A (en) | 1990-06-20 | 1990-06-20 | Synthetic resins bracket for building into vibration-proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454336A true JPH0454336A (en) | 1992-02-21 |
Family
ID=15783132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16390990A Pending JPH0454336A (en) | 1990-06-20 | 1990-06-20 | Synthetic resins bracket for building into vibration-proof device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454336A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013164150A (en) * | 2012-02-13 | 2013-08-22 | Bridgestone Corp | Bracket for vibration proof device |
| US20140203577A1 (en) * | 2013-01-18 | 2014-07-24 | Sabic Innovative Plastics Ip B.V. | Polymer, energy absorber rail extension, methods of making and vehicles using the same |
| US9771109B2 (en) | 2013-01-18 | 2017-09-26 | Sabic Global Technologies B.V. | Reinforced body in white and reinforcement therefor |
| US10272860B2 (en) | 2014-07-25 | 2019-04-30 | Sabic Global Technologies B.V. | Crushable polymeric rail extension, systems, and methods of making and using the same |
-
1990
- 1990-06-20 JP JP16390990A patent/JPH0454336A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013164150A (en) * | 2012-02-13 | 2013-08-22 | Bridgestone Corp | Bracket for vibration proof device |
| US20140203577A1 (en) * | 2013-01-18 | 2014-07-24 | Sabic Innovative Plastics Ip B.V. | Polymer, energy absorber rail extension, methods of making and vehicles using the same |
| US9067550B2 (en) * | 2013-01-18 | 2015-06-30 | Sabic Global Technologies B.V. | Polymer, energy absorber rail extension, methods of making and vehicles using the same |
| US9469264B2 (en) | 2013-01-18 | 2016-10-18 | Sabic Global Technologies B.V. | Polymer, energy absorber rail extension, methods of making and vehicles using the same |
| US9771109B2 (en) | 2013-01-18 | 2017-09-26 | Sabic Global Technologies B.V. | Reinforced body in white and reinforcement therefor |
| US10272860B2 (en) | 2014-07-25 | 2019-04-30 | Sabic Global Technologies B.V. | Crushable polymeric rail extension, systems, and methods of making and using the same |
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