JPH0480946U

JPH0480946U -

Info

Publication number: JPH0480946U
Application number: JP12398690U
Authority: JP
Priority date: 1990-11-26
Filing date: 1990-11-26
Publication date: 1992-07-14

Description

[Brief explanation of the drawing]

第１図はこの考案による防振装置の一実施例を
示す概略縦断面図、第２図は従来の防振装置を示
す概略縦断面図である。１，２１……内筒、２，２２……外筒、３，２
３……第１の外筒、４，２４……第２の外筒、５
，１８，２５……弾性体、６，２６……ダイアフ
ラム、７，２７……第１の液室、８，２８……第
２の液室、９，２９……隔壁、１０，３０……サ
ブダイアフラム、１０ａ，３０ａ……厚肉部、１
０ｂ，３０ｂ……ダイアフラム部、１１，３１…
…オリフイスプレート、１１ａ，３１ａ……凹部
、１１ｂ，３１ｂ……オリフイス、１３……荷重
支持部、１４……ストツパーリング、１４ａ……
貫通孔、１５……摺動部材、１６，３６……取付
け部材、１７……スリーブ、１９，３９……液体
。 FIG. 1 is a schematic vertical sectional view showing an embodiment of the vibration isolator according to this invention, and FIG. 2 is a schematic vertical sectional view showing a conventional vibration isolator. 1, 21... Inner cylinder, 2, 22... Outer cylinder, 3, 2
3...First outer cylinder, 4, 24...Second outer cylinder, 5
, 18, 25... Elastic body, 6, 26... Diaphragm, 7, 27... First liquid chamber, 8, 28... Second liquid chamber, 9, 29... Partition wall, 10, 30... Sub-diaphragm, 10a, 30a...thick wall part, 1
0b, 30b...Diaphragm part, 11, 31...
... Orifice plate, 11a, 31a ... recess, 11b, 31b ... orifice, 13 ... load support part, 14 ... stopper ring, 14a ...
Through hole, 15...Sliding member, 16, 36...Mounting member, 17...Sleeve, 19, 39...Liquid.

Claims

[Claims for Utility Model Registration] (1) An inner cylinder 1 that receives vibration from a vibration source;
One end between the inner cylinder 1 and an outer cylinder 2 located at a predetermined distance is integrally connected by an elastic body 5, and a diaphragm 6 is provided at the other end to form a closed space inside. , on the other hand, a sub-diaphragm 10 that is movable on the inner cylinder 1 and a recess 11a that restricts movement of the sub-diaphragm 10 are provided in the space.
and an orifice plate 11 having an orifice 11b communicating from the upper surface side to the lower surface side, and an orifice plate 11 fixed to the outer cylinder 2 on the outer peripheral side, and a partition wall 9 provided on the inner cylinder 1 and having an Consisting of an annular stopper ring 14 having a through hole 14a communicating from the side to the lower surface side, and an annular sliding member 15 provided on the stopper ring 14, and between the inner cylinder 1 and the outer cylinder 2. A load support part 13 is provided to limit the radial displacement of the partition wall 9, and a liquid 19 is sealed in the space to form a first liquid chamber 7 on the upper side of the partition wall 9 and a second liquid chamber on the lower side. 8, and the liquid 19 in the first liquid chamber 7 and the liquid 19 in the second liquid chamber 8 are caused to flow through the orifice 11b and the through hole, respectively, by deformation of the elastic body 5 and the diaphragm 6. A vibration isolating device characterized in that the vibration isolating devices are movable relative to each other via 14a. (2) The vibration isolator according to claim 1, wherein the sliding member 15 is provided on the outer circumferential surface of the stopper ring 14, and the outer circumferential surface is capable of sliding contact with the inner circumferential surface of the outer cylinder 2. Device. (3) The sliding member 15 is provided on the inner circumferential surface of the stopper ring 14, and the inner circumferential surface is capable of sliding contact with the outer circumferential surface of the inner cylinder 1. Shaking device. (4) An annular sleeve 17 is integrally provided on the peripheral edge of the diaphragm 6, and an elastic body 18 is interposed between the outer circumferential surface of the annular sleeve 17 and the inner circumferential surface of the outer tube 2. furthermore, the load supporting portion 13 is connected to the sleeve 1.
The vibration isolator according to claim 1, wherein the vibration isolator is positioned at a predetermined distance from the inner circumferential surface of the vibration damper.