KR102527035B1 - 완충기 - Google Patents

완충기 Download PDF

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Publication number
KR102527035B1
KR102527035B1 KR1020217030458A KR20217030458A KR102527035B1 KR 102527035 B1 KR102527035 B1 KR 102527035B1 KR 1020217030458 A KR1020217030458 A KR 1020217030458A KR 20217030458 A KR20217030458 A KR 20217030458A KR 102527035 B1 KR102527035 B1 KR 102527035B1
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KR
South Korea
Prior art keywords
chamber
cylinder
piston rod
elastic rubber
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
KR1020217030458A
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English (en)
Korean (ko)
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KR20210126762A (ko
Inventor
야스히로 아오키
Original Assignee
히다치 아스테모 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 히다치 아스테모 가부시키가이샤 filed Critical 히다치 아스테모 가부시키가이샤
Publication of KR20210126762A publication Critical patent/KR20210126762A/ko
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Publication of KR102527035B1 publication Critical patent/KR102527035B1/ko
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/368—Sealings in pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/36—Special sealings, including sealings or guides for piston-rods
    • F16F9/362—Combination of sealing and guide arrangements for piston rods
    • F16F9/364—Combination of sealing and guide arrangements for piston rods of multi-tube dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/08—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other
    • F16F7/09—Vibration-dampers; Shock-absorbers with friction surfaces rectilinearly movable along each other in dampers of the cylinder-and-piston type

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Dampers (AREA)
KR1020217030458A 2019-03-26 2020-01-10 완충기 Active KR102527035B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019058113 2019-03-26
JPJP-P-2019-058113 2019-03-26
PCT/JP2020/000661 WO2020195010A1 (ja) 2019-03-26 2020-01-10 緩衝器

Publications (2)

Publication Number Publication Date
KR20210126762A KR20210126762A (ko) 2021-10-20
KR102527035B1 true KR102527035B1 (ko) 2023-04-27

Family

ID=72610878

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217030458A Active KR102527035B1 (ko) 2019-03-26 2020-01-10 완충기

Country Status (6)

Country Link
US (1) US11927241B2 (https=)
JP (1) JP7199513B2 (https=)
KR (1) KR102527035B1 (https=)
CN (1) CN113631828A (https=)
DE (1) DE112020001531T5 (https=)
WO (1) WO2020195010A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI854685B (zh) * 2023-06-06 2024-09-01 精鯊工業有限公司 軸心鎖固結構
CN116677740B (zh) * 2023-06-20 2025-09-23 浙江钻盛科技有限公司 单筒减震器

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927460B2 (ja) * 1976-04-10 1984-07-05 トキコ株式会社 緩衝器
JPS6035812Y2 (ja) * 1979-11-09 1985-10-24 トキコ株式会社 ガススプリング
US4342447A (en) * 1980-08-25 1982-08-03 Atwood Vacuum Machine Company Gas spring with tubular shell seal
DE3206124A1 (de) * 1982-02-20 1983-09-01 Fichtel & Sachs Ag, 8720 Schweinfurt Hydropneumatischer zweirohr-schwingungsdaempfer mit einem im bereich einer kolbenstangenfuehrung angeordneten oelabstreifring
JPH0178743U (https=) 1987-11-17 1989-05-26
US5176229A (en) * 1989-09-29 1993-01-05 Atsugi Unisia Corporation Hydraulic shock absorber with a rod guide having an annular doubled wall section
JP3702416B2 (ja) * 2000-03-16 2005-10-05 株式会社日立製作所 液圧緩衝器
JP4455728B2 (ja) * 2000-04-28 2010-04-21 日立オートモティブシステムズ株式会社 油圧緩衝器
JP3646868B2 (ja) * 2000-11-09 2005-05-11 大同メタル工業株式会社 油圧緩衝器
JP4312973B2 (ja) 2001-07-11 2009-08-12 株式会社日立製作所 液圧緩衝器の摩擦発生装置
ES2330818B2 (es) * 2006-08-11 2010-10-29 Kayaba Industry Co., Ltd. Estructura de valvula de retencion de amortiguador hidraulico.
JP4972518B2 (ja) * 2007-10-24 2012-07-11 カヤバ工業株式会社 チェック構造
WO2014017611A1 (ja) * 2012-07-27 2014-01-30 日立オートモティブシステムズ株式会社 液圧緩衝器
US9062734B2 (en) 2013-02-25 2015-06-23 Hitachi Automotive Systems, Ltd. Shock absorber and vehicle using the same
DE112015005770B4 (de) * 2014-12-25 2025-12-31 Hitachi Astemo, Ltd. Zylindervorrichtung
KR102298611B1 (ko) * 2017-05-26 2021-09-03 히다치 아스테모 가부시키가이샤 완충기
WO2020044973A1 (ja) * 2018-08-29 2020-03-05 日立オートモティブシステムズ株式会社 緩衝器
CN112955675B (zh) * 2018-11-05 2022-12-30 日立安斯泰莫株式会社 缓冲器

Also Published As

Publication number Publication date
WO2020195010A1 (ja) 2020-10-01
KR20210126762A (ko) 2021-10-20
DE112020001531T5 (de) 2021-12-16
US11927241B2 (en) 2024-03-12
JP7199513B2 (ja) 2023-01-05
US20220154797A1 (en) 2022-05-19
CN113631828A (zh) 2021-11-09
JPWO2020195010A1 (https=) 2020-10-01

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