JP6207866B2 - 液封入式防振装置 - Google Patents
液封入式防振装置 Download PDFInfo
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- JP6207866B2 JP6207866B2 JP2013081801A JP2013081801A JP6207866B2 JP 6207866 B2 JP6207866 B2 JP 6207866B2 JP 2013081801 A JP2013081801 A JP 2013081801A JP 2013081801 A JP2013081801 A JP 2013081801A JP 6207866 B2 JP6207866 B2 JP 6207866B2
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Description
2 第1取付部材
3 第2取付部材
4 防振基体
7 ハウジンング
10,110,310 ダイヤフラム
15,115,315 中間部材
22,122,222 仕切壁
23,123,223 オリフィス
24,124,224 開口部
25,125 弁棒支持部
27,127,227 弁棒
28,128 弁体
30,130,330 コイルスプリング(付勢部材)
40 空気圧調整装置
L 液体封入室
L1 第1液室(液室)
L2 第2液室(液室)
R 調圧空気室
Claims (3)
- 第1取付部材と、筒状の第2取付部材と、前記第2取付部材と前記第1取付部材とを連結すると共にゴム状弾性体から構成される防振基体と、前記防振基体との間に液体封入室を形成すると共にゴム状弾性体から構成されるダイヤフラムと、前記液体封入室を複数の液室に仕切る仕切壁と、前記複数の液室間を連通させるオリフィスとを備える液封入式防振装置において、
前記第2取付部材に周縁が連結されると共に前記ダイヤフラムと軸方向に所定の間隔をあけて前記ダイヤフラムの軸方向外側に配置されるハウジングと、
前記ハウジングに一端が気密に固着されると共に他端側が前記ダイヤフラムの所定部に気密に固着され、前記ダイヤフラム及び前記ハウジングと共に調圧空気室を構成する筒状の中間部材と、
前記調圧空気室の一部を構成する前記ダイヤフラムに一端が固着されると共に他端側が前記防振基体側に延設される弁棒と、
前記弁棒の所定部に固着される弁体と、
前記仕切壁の厚さ方向に貫通形成されると共に前記弁体によって開閉可能とされる開口部と、
前記開口部を閉鎖する方向に前記弁体を付勢する付勢部材と、を備え、
前記調圧空気室は、前記調圧空気室を減圧または大気開放する空気圧調整装置が接続され、
前記弁体は、前記ダイヤフラムと前記仕切壁との間に位置し、前記調圧空気室の減圧により前記開口部を開放し、
前記調圧空気室の大気開放により前記弁体が前記開口部を閉じた状態で、前記中間部材と前記弁体との間に隙間があることを特徴とする液封入式防振装置。 - 前記仕切壁は、厚さ方向に貫通形成される弁棒支持部を備え、
前記弁棒は、他端側が、前記弁棒支持部に挿通支持されると共に前記防振基体側に突出することを特徴とする請求項1記載の液封入式防振装置。 - 前記付勢部材は、前記弁棒支持部に挿通支持され前記防振基体側に突出する前記弁棒の他端側に配設されることを特徴とする請求項2記載の液封入式防振装置。
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JP2013081801A JP6207866B2 (ja) | 2013-04-10 | 2013-04-10 | 液封入式防振装置 |
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JP2013081801A JP6207866B2 (ja) | 2013-04-10 | 2013-04-10 | 液封入式防振装置 |
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JP2014202346A JP2014202346A (ja) | 2014-10-27 |
JP6207866B2 true JP6207866B2 (ja) | 2017-10-04 |
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JP2013081801A Expired - Fee Related JP6207866B2 (ja) | 2013-04-10 | 2013-04-10 | 液封入式防振装置 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7386638B2 (ja) * | 2019-05-28 | 2023-11-27 | Toyo Tire株式会社 | 防振装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10252815A (ja) * | 1997-03-13 | 1998-09-22 | Bridgestone Corp | 防振装置 |
FR2872879B1 (fr) * | 2004-07-07 | 2008-05-30 | Hutchinson Sa | Support antivibratoire hydraulique a commande pneumatique |
JP2009108880A (ja) * | 2007-10-26 | 2009-05-21 | Tokai Rubber Ind Ltd | 流体封入式防振装置 |
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