JP2020097997A - 流体圧緩衝器 - Google Patents
流体圧緩衝器 Download PDFInfo
- Publication number
- JP2020097997A JP2020097997A JP2018236564A JP2018236564A JP2020097997A JP 2020097997 A JP2020097997 A JP 2020097997A JP 2018236564 A JP2018236564 A JP 2018236564A JP 2018236564 A JP2018236564 A JP 2018236564A JP 2020097997 A JP2020097997 A JP 2020097997A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- rod
- communication passage
- shock absorber
- side chamber
- 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.)
- Granted
Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 70
- 230000035939 shock Effects 0.000 title claims abstract description 70
- 239000012530 fluid Substances 0.000 title claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 137
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000010720 hydraulic oil Substances 0.000 description 27
- 238000013016 damping Methods 0.000 description 15
- 230000002093 peripheral effect Effects 0.000 description 14
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
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
-
- 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
- F16F9/3405—Throttling passages in or on piston body, e.g. slots
-
- 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
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/516—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement
-
- 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
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/062—Bi-tubular units
-
- 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
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/063—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid comprising a hollow piston rod
-
- 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
- F16F9/3207—Constructional features
- F16F9/3228—Constructional features of connections between pistons and piston rods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
まず、図1〜3を参照して、本発明の第1実施形態に係る流体圧緩衝器について説明する。第1実施形態では、流体圧緩衝器が車両に搭載されるショックアブソーバ100である場合について説明する。
次に、図6,7を参照して本発明の第2実施形態に係るショックアブソーバ200について説明する。以下では、上記第1実施形態と異なる点を中心に説明し、上記第1実施形態に係るショックアブソーバ100と同一の機能を有する構成には同一の符号を付して説明を省略する。
Claims (7)
- シリンダチューブと、
前記シリンダチューブの外部へと延出するピストンロッドと、
前記ピストンロッドの端部に連結されて前記シリンダチューブ内を摺動自在に移動し、前記シリンダチューブ内をピストン側室とロッド側室に区画するピストンと、
前記ピストンロッドの内部に形成されるロッド内空間と、
前記ロッド側室と前記ロッド内空間とを連通する第1連通路と、
前記ピストンに形成され、前記ピストン側室と前記ロッド内空間とを連通する第2連通路と、
前記第2連通路に設けられ、通過する作動流体の流れに抵抗を付与する絞り部と、を備えることを特徴とする流体圧緩衝器。 - 前記ピストンに形成され、前記ピストン側室と前記ロッド内空間とを連通する第3連通路と、
前記第3連通路に設けられ、前記ピストン側室から前記ロッド内空間への作動流体の流れのみを許容する逆止弁と、をさらに備えることを特徴とする請求項1に記載の流体圧緩衝器。 - 前記ピストンと前記ピストンロッドの間に設けられるプレートをさらに備え、
前記第1連通路は、前記プレートに形成されることを特徴とする請求項2に記載の流体圧緩衝器。 - 前記絞り部は、前記第2連通路に交換可能に設けられるオリフィスプラグであり、
前記プレートによって前記ロッド内空間への前記オリフィスプラグの脱落が防止されることを特徴とする請求項3に記載の流体圧緩衝器。 - 前記逆止弁は、前記プレートによって、前記ロッド内空間への脱落が防止されることを特徴とする請求項3または4に記載の流体圧緩衝器。
- 前記第1連通路は、前記ピストンロッドに形成されることを特徴とする請求項1又は2に記載の流体圧緩衝器。
- 前記第1連通路を通過する作動流体の流れに付与される抵抗は、前記絞り部を通過する作動流体の流れに付与される抵抗よりも小さいことを特徴とする請求項1から6のいずれか一つに記載の流体圧緩衝器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018236564A JP7202170B2 (ja) | 2018-12-18 | 2018-12-18 | 流体圧緩衝器 |
US17/414,630 US20220065324A1 (en) | 2018-12-18 | 2019-12-05 | Fluid pressure shock absorber |
CN201980083016.4A CN113242943B (zh) | 2018-12-18 | 2019-12-05 | 流体压力缓冲器 |
GB2108715.0A GB2595075B (en) | 2018-12-18 | 2019-12-05 | Fluid pressure shock absorber |
PCT/JP2019/047709 WO2020129682A1 (ja) | 2018-12-18 | 2019-12-05 | 流体圧緩衝器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018236564A JP7202170B2 (ja) | 2018-12-18 | 2018-12-18 | 流体圧緩衝器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020097997A true JP2020097997A (ja) | 2020-06-25 |
JP7202170B2 JP7202170B2 (ja) | 2023-01-11 |
Family
ID=71101410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018236564A Active JP7202170B2 (ja) | 2018-12-18 | 2018-12-18 | 流体圧緩衝器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220065324A1 (ja) |
JP (1) | JP7202170B2 (ja) |
CN (1) | CN113242943B (ja) |
GB (1) | GB2595075B (ja) |
WO (1) | WO2020129682A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022202472A1 (ja) * | 2021-03-23 | 2022-09-29 | Kyb株式会社 | 流体圧緩衝器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55135835U (ja) * | 1979-03-20 | 1980-09-27 | ||
JPS63125837A (ja) * | 1986-11-12 | 1988-05-30 | Isuzu Motors Ltd | ハイドロニユ−マチツク・サスペンシヨン装置 |
JP2015206374A (ja) * | 2014-04-17 | 2015-11-19 | カヤバ工業株式会社 | シリンダ装置 |
Family Cites Families (20)
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US3647239A (en) * | 1969-07-17 | 1972-03-07 | Tokico Ltd | Vehicle suspension mechanism |
US3804216A (en) * | 1970-12-29 | 1974-04-16 | Tokico Ltd | Shock absorber and suspension mechanism |
DD142764A1 (de) * | 1979-04-04 | 1980-07-09 | Horst Engelmann | Lichtempfindliches,farbfotografisches silberhalogenidmaterial mit dir-kupplern |
US4971344A (en) * | 1989-01-04 | 1990-11-20 | Rockshox, Inc. | Bicycle with a front fork wheel suspension |
DE4017924A1 (de) * | 1990-06-05 | 1991-12-12 | Boge Ag | Vorderradgabel fuer fahrraeder |
EP0508134B1 (en) * | 1991-03-20 | 1995-08-23 | Showa Corporation | Wheel suspension system for bicycle |
US5094324A (en) * | 1991-04-05 | 1992-03-10 | Dah Ken Industrial Co., Ltd. | Bicycle shock-absorbing apparatus |
DE4226754A1 (de) * | 1991-09-21 | 1993-03-25 | Bosch Gmbh Robert | Aufhaengungssystem fuer fahrzeuge |
US5775677A (en) * | 1995-02-07 | 1998-07-07 | Englund; Arlo C. | Air or gas sprung and dampened shock absorber |
JP2004076785A (ja) * | 2002-08-12 | 2004-03-11 | Kayaba Ind Co Ltd | ロックシリンダ |
USRE44609E1 (en) * | 2003-08-12 | 2013-11-26 | Graeme Kershaw Robertson | Shock absorber assembly |
CN2811665Y (zh) * | 2005-05-26 | 2006-08-30 | 江苏大学 | 具有非线性特性的单气室油气隔离式油气弹簧 |
US9322449B2 (en) * | 2005-08-11 | 2016-04-26 | Eko Sport, Inc. | Valve for shock absorbers |
FR2917371B1 (fr) * | 2007-06-15 | 2009-11-20 | Messier Dowty Sa | Amortisseur pour atterisseur d'aeronef |
CN201198853Y (zh) * | 2008-05-15 | 2009-02-25 | 内蒙古北方重型汽车股份有限公司 | 汽车悬挂缸缓冲装置 |
JP5961124B2 (ja) * | 2012-04-27 | 2016-08-02 | Kyb株式会社 | 懸架装置 |
JP5876855B2 (ja) * | 2013-07-05 | 2016-03-02 | Kyb株式会社 | 流体圧シリンダ |
JP6134238B2 (ja) * | 2013-09-11 | 2017-05-24 | Kyb株式会社 | 緩衝器 |
JP6212340B2 (ja) * | 2013-09-24 | 2017-10-11 | Kyb株式会社 | 緩衝器及び懸架装置 |
CN104179872A (zh) * | 2014-07-24 | 2014-12-03 | 三一矿机有限公司 | 一种可变阻尼油气悬缸及其矿用自卸车 |
-
2018
- 2018-12-18 JP JP2018236564A patent/JP7202170B2/ja active Active
-
2019
- 2019-12-05 GB GB2108715.0A patent/GB2595075B/en active Active
- 2019-12-05 WO PCT/JP2019/047709 patent/WO2020129682A1/ja active Application Filing
- 2019-12-05 CN CN201980083016.4A patent/CN113242943B/zh active Active
- 2019-12-05 US US17/414,630 patent/US20220065324A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55135835U (ja) * | 1979-03-20 | 1980-09-27 | ||
JPS63125837A (ja) * | 1986-11-12 | 1988-05-30 | Isuzu Motors Ltd | ハイドロニユ−マチツク・サスペンシヨン装置 |
JP2015206374A (ja) * | 2014-04-17 | 2015-11-19 | カヤバ工業株式会社 | シリンダ装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022202472A1 (ja) * | 2021-03-23 | 2022-09-29 | Kyb株式会社 | 流体圧緩衝器 |
Also Published As
Publication number | Publication date |
---|---|
JP7202170B2 (ja) | 2023-01-11 |
WO2020129682A1 (ja) | 2020-06-25 |
CN113242943B (zh) | 2023-09-26 |
US20220065324A1 (en) | 2022-03-03 |
GB2595075B (en) | 2023-03-15 |
GB202108715D0 (en) | 2021-08-04 |
GB2595075A (en) | 2021-11-17 |
CN113242943A (zh) | 2021-08-10 |
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