JP2007016998A5 - - Google Patents
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- JP2007016998A5 JP2007016998A5 JP2006217541A JP2006217541A JP2007016998A5 JP 2007016998 A5 JP2007016998 A5 JP 2007016998A5 JP 2006217541 A JP2006217541 A JP 2006217541A JP 2006217541 A JP2006217541 A JP 2006217541A JP 2007016998 A5 JP2007016998 A5 JP 2007016998A5
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- JP
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- Prior art keywords
- orifice
- rubber
- sub
- peripheral surface
- fitting
- Prior art date
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- 230000002093 peripheral effect Effects 0.000 claims 30
- 239000007788 liquid Substances 0.000 claims 16
- 239000012528 membrane Substances 0.000 claims 2
Claims (2)
前記中間筒（32）は、前記外筒が嵌合する軸方向両端部側の一対のリング状の嵌合周壁（34,36）と、前記内筒を挟んで位置するとともに前記嵌合周壁よりも径方向内方側に位置して前記一対の嵌合周壁同士を連結する一対の連結壁（38,40）とを備え、
前記防振基体（16）は、前記一対の連結壁の内側面（38A,40A）と当該内側面に対向する前記内筒の外周面（12A）とを結合して、前記第１液室と第２液室とを周方向に区画しており、
前記一対の嵌合周壁と前記内筒との間にゴム状弾性体からなる端部壁（42,42）が設けられて、該端部壁が前記第１液室と第２液室の軸方向端部での室壁を形成し、
一方の前記連結壁の外面（38B）側に前記外筒の内周面に圧接する第１オリフィス形成部（44）が設けられ、他方の前記連結壁の外面（40B）側に前記外筒の内周面に圧接する第２オリフィス形成部（46）が設けられ、
前記第１オリフィス形成部と前記第２オリフィス形成部の少なくとも一方に周方向に延びる第１副オリフィス溝（50）が設けられて、該第１副オリフィス溝と前記外筒の内周面との間で前記第１副オリフィス（26）が形成されるとともに、前記第１副オリフィス溝（50）にゴム膜状の前記第１ゴム弁（24）が設けられて、前記第１ゴム弁の頂部（24A）が前記外筒の内周面（14A）に圧接するように構成され、
前記第１オリフィス形成部と前記第２オリフィス形成部の少なくとも一方に周方向に延びる第２副オリフィス溝（56）が設けられて、該第２副オリフィス溝と前記外筒の内周面との間で前記第２副オリフィス（30）が形成されるとともに、前記第２副オリフィス溝（56）にゴム膜状の前記第２ゴム弁（28）が設けられて、前記第２ゴム弁の頂部（28A）が前記外筒の内周面（14A）に圧接するように構成され、
前記第１ゴム弁と第２ゴム弁の頂部に、前記外筒の内周面に圧接する断面円弧状の膨出部（52）が前記頂部の全幅にわたってそれぞれ形成され、
前記第１オリフィス形成部（44）には、軸方向中央部に周方向に延びる嵌合凹部（48）が設けられ、該嵌合凹部の両側の少なくとも一方側に前記第１副オリフィス溝（50）が設けられ、該第１副オリフィス溝に設けられた前記第１ゴム弁（24）の膨出部（52）の幅方向の一端部と、前記嵌合周壁の外周面に設けられた周方向に延びるゴム製の環状シールリップ（88）の側部とに連なるゴム製のシールリップ（90）が、前記第１オリフィス形成部の外周面に形成され、
前記第２オリフィス形成部（46）には、軸方向中央部に周方向に延びる嵌合凹部（54）が設けられ、該嵌合凹部の両側の少なくとも一方側に前記第２副オリフィス溝（56）が設けられ、該第２副オリフィス溝に設けられた前記第２ゴム弁（28）の膨出部（52）の幅方向の一端部と、前記嵌合周壁の外周面に設けられた周方向に延びるゴム製の環状シールリップ（88）の側部とに連なるゴム製のシールリップ（94）が、前記第２オリフィス形成部の外周面に形成された、
液封入式防振装置。 An inner cylinder (12), an outer cylinder (14) surrounding the inner cylinder in an axially parallel manner, a vibration-proof base (16) made of a rubber-like elastic body interposed between the inner cylinder and the outer cylinder, and the inner cylinder An intermediate cylinder (32) positioned between the first cylinder and the outer cylinder, a first liquid chamber (18) and a second liquid chamber (20) positioned across the inner cylinder, the first liquid chamber and the second liquid chamber A first orifice (26) for allowing liquid to flow only from the first liquid chamber side to the second liquid chamber side via the first rubber valve (24), and a second rubber A second sub-orifice (30) for allowing liquid to flow only from the second liquid chamber side to the first liquid chamber side via the valve (28),
The intermediate cylinder (32) is positioned between the pair of ring-shaped fitting peripheral walls (34, 36) on both end sides in the axial direction with which the outer cylinder is fitted, and the inner cylinder, and is positioned from the fitting peripheral wall. A pair of connecting walls (38, 40) that are located on the radially inward side and connect the pair of fitting peripheral walls to each other;
The anti-vibration base (16) combines the inner surface (38A, 40A) of the pair of connecting walls and the outer peripheral surface (12A) of the inner cylinder facing the inner surface, and the first liquid chamber The second liquid chamber is partitioned in the circumferential direction,
End walls (42, 42) made of a rubber-like elastic body are provided between the pair of fitting peripheral walls and the inner cylinder, and the end walls serve as shafts of the first liquid chamber and the second liquid chamber. Forming a chamber wall at the direction end,
A first orifice forming part (44) is provided on the outer surface (38B) side of one of the connecting walls, and is in pressure contact with the inner peripheral surface of the outer cylinder, and the outer cylinder is disposed on the outer surface (40B) side of the other connecting wall. A second orifice forming portion (46) is provided in pressure contact with the inner peripheral surface;
A first sub-orifice groove (50) extending in the circumferential direction is provided in at least one of the first orifice-forming part and the second orifice-forming part, and the first sub-orifice groove and the inner peripheral surface of the outer cylinder are formed. Rutotomoni the first sub orifice (26) is formed between, and rubber membrane of the first rubber valve (24) is provided in the first sub-orifice groove (50), the top of the first rubber valve (24A) is configured to be in pressure contact with the inner peripheral surface (14A) of the outer cylinder,
A second sub-orifice groove (56) extending in the circumferential direction is provided in at least one of the first orifice forming portion and the second orifice forming portion, and the second sub-orifice groove and the inner peripheral surface of the outer cylinder are formed. during the second sub orifice (30) is formed by Rutotomoni and rubber membrane of the second rubber valve (28) is provided in the second sub-orifice groove (56), the top of the second rubber valve (28A) is configured to be in pressure contact with the inner peripheral surface (14A) of the outer cylinder,
A bulging portion (52) having an arcuate cross section that is pressed against the inner peripheral surface of the outer cylinder is formed over the entire width of the top portion at the top portions of the first rubber valve and the second rubber valve,
The first orifice forming portion (44) is provided with a fitting recess (48) extending in the circumferential direction at the axial center, and the first sub-orifice groove (50) is provided on at least one side of both sides of the fitting recess. ) And one end in the width direction of the bulging portion (52) of the first rubber valve (24) provided in the first sub-orifice groove, and a circumference provided on the outer peripheral surface of the fitting peripheral wall. A rubber seal lip (90) connected to a side portion of a rubber annular seal lip (88) extending in a direction is formed on the outer peripheral surface of the first orifice forming portion,
The second orifice forming portion (46) is provided with a fitting recess (54) extending in the circumferential direction at the axial center, and the second sub-orifice groove (56) is provided on at least one side of both sides of the fitting recess. ) And one end in the width direction of the bulging portion (52) of the second rubber valve (28) provided in the second sub-orifice groove, and a circumference provided on the outer peripheral surface of the fitting peripheral wall. A rubber seal lip (94) connected to a side portion of a rubber annular seal lip (88) extending in a direction is formed on the outer peripheral surface of the second orifice forming portion.
Liquid-filled vibration isolator.
一方の前記第１副オリフィス溝に設けられた前記第１ゴム弁（24）の膨出部（52）の幅方向の一端部と、一方の嵌合周壁（34）の外周面に設けられた周方向に延びるゴム製の環状シールリップ（88）の側部とに連なるゴム製のシールリップ（90）が、前記第１オリフィス形成部の外周面に形成され、他方の前記第１副オリフィス溝に設けられた前記第１ゴム弁（24）の膨出部（52）の幅方向の一端部と、他方の嵌合周壁（36）の外周面に設けられた周方向に延びるゴム製の環状シールリップ（88）の側部とに連なるゴム製のシールリップ（92）が、前記第１オリフィス形成部の外周面に形成され、
前記第２オリフィス形成部（46）には、軸方向中央部に前記嵌合凹部（54）が設けられ、該嵌合凹部の両側に前記第２副オリフィス溝（56,56）が設けられ、
一方の前記第２副オリフィス溝に設けられた前記第２ゴム弁（28）の膨出部（52）の幅方向の一端部と、一方の嵌合周壁（34）の外周面に設けられた周方向に延びるゴム製の環状シールリップ（88）の側部とに連なるゴム製のシールリップ（94）が、前記第２オリフィス形成部の外周面に形成され、他方の前記第２副オリフィス溝に設けられた前記第２ゴム弁（28）の膨出部（52）の幅方向の一端部と、他方の嵌合周壁（36）の外周面に設けられた周方向に延びるゴム製の環状シールリップ（88）の側部とに連なるゴム製のシールリップ（96）が、前記第２オリフィス形成部の外周面に形成されたことを特徴とする請求項１記載の液封入式防振装置。 The first orifice forming portion (44) is provided with the fitting concave portion (48) in the axial center portion, and the first sub-orifice groove (50, 50) is provided on both sides of the fitting concave portion,
One end portion in the width direction of the bulging portion (52) of the first rubber valve (24) provided in one of the first sub-orifice grooves and the outer peripheral surface of one fitting peripheral wall (34) A rubber seal lip (90) connected to a side portion of a rubber annular seal lip (88) extending in the circumferential direction is formed on an outer peripheral surface of the first orifice forming portion, and the other first sub-orifice groove is formed. A rubber ring extending in the circumferential direction provided on one end in the width direction of the bulging portion (52) of the first rubber valve (24) provided on the outer peripheral surface of the other fitting peripheral wall (36) A rubber seal lip (92) connected to the side of the seal lip (88) is formed on the outer peripheral surface of the first orifice forming portion,
The second orifice forming portion (46) is provided with the fitting recess (54) in the axial center, and the second sub-orifice groove (56, 56) is provided on both sides of the fitting recess.
One end portion in the width direction of the bulging portion (52) of the second rubber valve (28) provided in one of the second sub-orifice grooves and the outer peripheral surface of one fitting peripheral wall (34) A rubber seal lip (94) connected to a side portion of a rubber annular seal lip (88) extending in the circumferential direction is formed on the outer peripheral surface of the second orifice forming portion, and the other second sub-orifice groove is formed. A rubber ring extending in the circumferential direction provided on one end in the width direction of the bulging portion (52) of the second rubber valve (28) provided on the outer peripheral surface of the other fitting peripheral wall (36) The liquid-filled vibration isolator according to claim 1 , wherein a rubber seal lip (96) connected to a side portion of the seal lip (88) is formed on an outer peripheral surface of the second orifice forming portion. .
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006520518 | 2004-12-06 | ||
| JP2005167567 | 2005-06-07 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005241892A Division JP4041138B2 (en) | 2004-12-06 | 2005-08-23 | Liquid-filled vibration isolator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007016998A JP2007016998A (en) | 2007-01-25 |
| JP2007016998A5 true JP2007016998A5 (en) | 2007-05-24 |
Family
ID=37754305
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005241892A Active JP4041138B2 (en) | 2004-12-06 | 2005-08-23 | Liquid-filled vibration isolator |
| JP2006217541A Withdrawn JP2007016998A (en) | 2004-12-06 | 2006-08-09 | Liquid-filled vibration isolator |
| JP2006219920A Withdrawn JP2007147065A (en) | 2004-12-06 | 2006-08-11 | Liquid filled vibration control device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005241892A Active JP4041138B2 (en) | 2004-12-06 | 2005-08-23 | Liquid-filled vibration isolator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006219920A Withdrawn JP2007147065A (en) | 2004-12-06 | 2006-08-11 | Liquid filled vibration control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (3) | JP4041138B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101499206B1 (en) * | 2009-10-07 | 2015-03-05 | 현대자동차주식회사 | Hydro bush mount having united decoupler |
| WO2014156867A1 (en) * | 2013-03-29 | 2014-10-02 | 山下ゴム株式会社 | Liquid-sealed vibration prevention device |
| CN103758909B (en) * | 2014-01-23 | 2016-02-10 | 亚新科噪声与振动技术（安徽）有限公司 | A kind of chassis swing arm hydraulic pressure bushing device and chassis swing arm system |
| JP2015172423A (en) * | 2014-03-12 | 2015-10-01 | 山下ゴム株式会社 | Liquid sealing type vibration-proof device |
| KR102448933B1 (en) * | 2018-04-19 | 2022-09-30 | 현대모비스 주식회사 | Hydraulic bush |
-
2005
- 2005-08-23 JP JP2005241892A patent/JP4041138B2/en active Active
-
2006
- 2006-08-09 JP JP2006217541A patent/JP2007016998A/en not_active Withdrawn
- 2006-08-11 JP JP2006219920A patent/JP2007147065A/en not_active Withdrawn
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