JPS6435232U

JPS6435232U -

Info

Publication number: JPS6435232U
Application number: JP13084087U
Authority: JP
Priority date: 1987-08-27
Filing date: 1987-08-27
Publication date: 1989-03-03

Description

[Brief explanation of drawings]

第１〜３図は本考案の第１実施例としての磁性
流体封入式防振機構を示すもので、第１図はその
縦断面図、第２図はその樹脂一体コイルを示す分
解斜視図、第３図ａ，ｂはそれぞれその弾性特性
および減衰特性を示すグラフであり、第４図は本
考案の第２実施例としての磁性流体封入式防振機
構を示す縦断面図であり、第５，６図は自動車に
おいて振動源とベース部材との間に介装される各
種防振手段の装着部を示すもので、第５図はその
その平面図、第６図はその側面図であり、第７図
は従来の防振特性を調節できるようにした防振支
持手段としてのエンジンマウントを示す断面図で
ある。１０……樹脂一体コイル、１０ａ……電磁コイ
ル、１０ｂ……筒状樹脂部（筒状部分）、１０ｃ
……ターミナル、１０ｄ……円板状樹脂部、１１
……上部板金ブラケツト、１２……下部板金ブラ
ケツト、１３……上部ゴム体、１４……下部ゴム
体、１５……下部流体室、１６……エンジン側カ
バー部材、１６ａ……空気抜き穴、１７……ボデ
ー側カバー部材、１８……ケース、１８ａ……足
部、１８ｂ……円錐面、１８ｃ……環状突出部、
１９……磁性流体、２０……可変部分としての上
部流体室、２１……ラバーブーツ、２２……筒状
流路、２３……ボデー側ベース部材、２４……エ
ンジン側取付ボルト、２５……空気室、２６……
金具、２７……筒状部分、３０……樹脂一体コイ
ル、３０ａ……電磁コイル、３０ｂ……筒状樹脂
部、３０ｃ……ターミナル、３０ｄ……第１の円
板状樹脂部、３０ｅ……第２の円板状樹脂部、３
１……第１の板金ブラケツト、３２……第１のゴ
ム体、３３……第２のゴム体、３３ａ……凹所、
３４……第１の流体室としての凹所、３５……ベ
ース部材用取付ブラケツト、３５ａ……空気抜き
穴、３６……振動源取付板、３７……空気室、３
８……振動源、３９……可変部分としての第２の
流体室、４０……筒状部分、４１……ベース部材
、４１ａ……ベース部材側取付ボルト。 1 to 3 show a magnetic fluid-filled vibration isolation mechanism as a first embodiment of the present invention, in which FIG. 1 is a longitudinal sectional view thereof, and FIG. 2 is an exploded perspective view showing its resin integral coil. 3a and 3b are graphs showing the elastic properties and damping characteristics, respectively, FIG. , 6 shows a mounting part of various vibration isolating means interposed between a vibration source and a base member in an automobile, FIG. 5 is a plan view thereof, and FIG. 6 is a side view thereof. FIG. 7 is a cross-sectional view showing a conventional engine mount as vibration-proof support means whose vibration-proof characteristics can be adjusted. 10... Resin integrated coil, 10a... Electromagnetic coil, 10b... Cylindrical resin part (cylindrical part), 10c
...Terminal, 10d...Disc-shaped resin part, 11
...Upper sheet metal bracket, 12...Lower sheet metal bracket, 13...Upper rubber body, 14...Lower rubber body, 15...Lower fluid chamber, 16...Engine side cover member, 16a...Air vent hole, 17... ...Body side cover member, 18... Case, 18a... Foot portion, 18b... Conical surface, 18c... Annular protrusion,
19... Magnetic fluid, 20... Upper fluid chamber as a variable part, 21... Rubber boot, 22... Cylindrical channel, 23... Body side base member, 24... Engine side mounting bolt, 25... Air chamber, 26...
Metal fitting, 27... Cylindrical part, 30... Resin integral coil, 30a... Electromagnetic coil, 30b... Cylindrical resin part, 30c... Terminal, 30d... First disk-shaped resin part, 30e... Second disk-shaped resin part, 3
1... First sheet metal bracket, 32... First rubber body, 33... Second rubber body, 33a... Recess,
34... Recess as first fluid chamber, 35... Base member mounting bracket, 35a... Air vent hole, 36... Vibration source mounting plate, 37... Air chamber, 3
8... Vibration source, 39... Second fluid chamber as a variable part, 40... Cylindrical part, 41... Base member, 41a... Base member side mounting bolt.

Claims

[Scope of utility model registration request]

In a fluid-filled vibration damping mechanism having a fluid chamber interposed between a vibration source and a base member and filled with fluid, the fluid chamber includes a cylindrical portion along the vibration direction of the vibration source and the vibration source. an electromagnetic coil is wound around the outer periphery of the cylindrical part, and a power supply means is provided for appropriately supplying electric power to the electromagnetic coil, and A magnetic fluid-filled vibration isolation mechanism characterized by having a magnetic fluid as a fluid sealed inside.