JPS61112140U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は装置の全体断面図、第２図はその部分
拡大断面図、第３図は一体成形部の全体断面図で
ある。 １……底板、２……厚肉ゴム弾性体壁（変形体
壁）、３……シリンダ部材、４……ゴムシート、
５……ピストン部材、７……蓋板、８……カバー
板、ｌ……間隙、Ａ……主流体室、Ｂ……副流体
室。 FIG. 1 is an overall sectional view of the device, FIG. 2 is a partially enlarged sectional view thereof, and FIG. 3 is an overall sectional view of an integrally molded part. 1... Bottom plate, 2... Thick rubber elastic body wall (deformable body wall), 3... Cylinder member, 4... Rubber sheet,
5...Piston member, 7...Lid plate, 8...Cover plate, l...Gap, A...Main fluid chamber, B...Subfluid chamber.

Claims (1)

【実用新案登録請求の範囲】 (1) 振動体に連結されて振動入力により伸縮変
形する変形体壁を底板上に設けて、該変形体壁を
室壁とする主流体室を形成し、上記底板にはこれ
を貫通するシリンダ部材を設けて、その上端を上
記主流体室に連通せしめるとともに下端開口には
ゴムシートを覆着し、かつ上記シリンダ部材内に
はピストン部材を設けて該ピストン部材とゴムシ
ートとの間に副流体室を形成し、上記主流体室お
よび副流体室には粘性流体を充填して、これら両
流体室を、ピストン部材の外周とシリンダ部材の
内周との間に形成した間隙を介して連通せしめた
ことを特徴とする液封入防振装置。 (2) 上記変形体壁として、厚肉ゴム弾性体壁を
使用した実用新案登録請求の範囲第１項記載の液
封入防振装置。 (3) 筒状の上記厚肉ゴム弾性体壁と、該弾性体
壁に連続し弾性体壁内にこれと同心状に位置する
上記シリンダ部材と、シリンダ部材の下端開口を
覆うゴムシートと、ゴムシートに連結されてシリ
ンダ部材内に位置するピストンとを、ゴム体にて
一体成形した実用新案登録請求の範囲第２項記載
の液封入防振装置。[Claims for Utility Model Registration] (1) A deformable body wall that is connected to a vibrating body and expands and contracts due to vibration input is provided on the bottom plate to form a main fluid chamber with the deformable body wall as a chamber wall, The bottom plate is provided with a cylinder member penetrating through the bottom plate, the upper end of which communicates with the main fluid chamber, the lower end opening is covered with a rubber sheet, and a piston member is provided within the cylinder member. A secondary fluid chamber is formed between the main fluid chamber and the rubber sheet, the main fluid chamber and the secondary fluid chamber are filled with viscous fluid, and both fluid chambers are connected between the outer periphery of the piston member and the inner periphery of the cylinder member. A liquid-filled vibration isolator characterized in that the liquid-filled vibration isolators are connected to each other through a gap formed between the two. (2) The liquid-filled vibration isolator according to claim 1, wherein a thick rubber elastic wall is used as the deformable wall. (3) the thick rubber elastic wall having a cylindrical shape, the cylinder member continuous with the elastic wall and located concentrically within the elastic wall, and a rubber sheet covering the lower end opening of the cylinder member; The liquid-filled vibration isolator according to claim 2, which is a registered utility model, wherein the piston connected to the rubber sheet and located within the cylinder member is integrally molded from a rubber body.