JPS6439944U

JPS6439944U -

Info

Publication number: JPS6439944U
Application number: JP13643187U
Authority: JP
Priority date: 1987-09-07
Filing date: 1987-09-07
Publication date: 1989-03-09

Description

[Brief explanation of the drawing]

第１〜３図は本考案の一実施例としての磁性流
体封入式弾性ブシユを示すもので、第１図ａはそ
の水平縦断面図、第１図ｂは第１図ａのｂ―
ｂ矢視断面図、第２図は本ブシユの取付けられる
サスペンシヨン部分の分解斜視図、第３図はその
防振特性の調整状態を示すグラフであり、第４図
は従来の流体の封入された弾性ブシユの周波数に
応じた防振特性を示すグラフである。１……電磁コイル部材としての樹脂一体コイル
、１ａ……電磁コイル、１ｂ……筒状樹脂部、１
ｃ……ターミナル、１ｄ……円板状取付部、２…
…アウタスリーブ、３……弾性体としてのゴム体
、３ａ，３ｂ……側壁面、４ａ，４ｂ……連通路
、５ａ……第１の流体室、５ｂ……第２の流体室
、６……インナスリーブ、６ａ，６ｂ……フラン
ジ部、７……ロアアームコンプレツシヨンロツド
、７ａ……フランジ部、８……取付ブラケツト、
９……、１０……仕切部材、１１……磁性流体封
入式弾性ブシユ、１２……ロアアーム、１３ａ，
１３ｂ……板金、１４……振動源としての車輪、
１５ａ，１５ｂ……弾性体としての小ゴム体、１
９……磁性流体、Ｓ……サスペンシヨン部分。 1 to 3 show a magnetic fluid-filled elastic bushing as an embodiment of the present invention. FIG. 1a is a horizontal longitudinal sectional view of the bushing, and FIG.
Fig. 2 is an exploded perspective view of the suspension part to which this bushing is attached, Fig. 3 is a graph showing the adjustment state of its vibration damping characteristics, and Fig. 4 is a sectional view taken in the direction of arrow b. 3 is a graph showing the vibration damping characteristics of the elastic bushing according to the frequency. 1... Resin integral coil as electromagnetic coil member, 1a... Electromagnetic coil, 1b... Cylindrical resin part, 1
c...Terminal, 1d...Disc-shaped mounting part, 2...
...Outer sleeve, 3...Rubber body as an elastic body, 3a, 3b...Side wall surface, 4a, 4b...Communication path, 5a...First fluid chamber, 5b...Second fluid chamber, 6... ...Inner sleeve, 6a, 6b...Flange part, 7...Lower arm compression rod, 7a...Flange part, 8...Mounting bracket,
9..., 10... Partition member, 11... Magnetic fluid filled elastic bushing, 12... Lower arm, 13a,
13b...Sheet metal, 14...Wheel as a vibration source,
15a, 15b...Small rubber bodies as elastic bodies, 1
9...Magnetic fluid, S...Suspension part.

Claims

[Scope of utility model registration request]

In an elastic bushing interposed between the vibration source and the base member, an inner sleeve attached to one side of the vibration source and the base member, and an inner sleeve attached to the other side of the vibration source and the base member. an elastic body interposed between the inner sleeve and the outer sleeve to form a plurality of fluid chambers between the inner sleeve and the outer sleeve; An electromagnetic coil is disposed inside the inner sleeve along the axial direction of the inner sleeve, and a power supply means for appropriately supplying electric power to the electromagnetic coil is provided. A magnetic fluid-filled elastic bushing, characterized in that a magnetic fluid as a fluid is sealed inside the fluid chamber.