JP2015206374A - シリンダ装置 - Google Patents
シリンダ装置 Download PDFInfo
- Publication number
- JP2015206374A JP2015206374A JP2014085190A JP2014085190A JP2015206374A JP 2015206374 A JP2015206374 A JP 2015206374A JP 2014085190 A JP2014085190 A JP 2014085190A JP 2014085190 A JP2014085190 A JP 2014085190A JP 2015206374 A JP2015206374 A JP 2015206374A
- Authority
- JP
- Japan
- Prior art keywords
- rod
- piston
- cylinder
- side chamber
- orifice plug
- 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
- 238000004891 communication Methods 0.000 claims abstract description 81
- 239000006096 absorbing agent Substances 0.000 claims description 21
- 230000035939 shock Effects 0.000 claims description 21
- 238000013016 damping Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 description 38
- 239000003921 oil Substances 0.000 description 30
- 239000010720 hydraulic oil Substances 0.000 description 24
- 230000004323 axial length Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 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
- F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
- F16F9/486—Arrangements for providing different damping effects at different parts of the stroke comprising a pin or stem co-operating with an aperture, e.g. a cylinder-mounted stem co-operating with 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
- F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
本第1実施形態では、シリンダ装置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、図1及び2を参照して説明する。
本第2実施形態では、シリンダ装置が流体圧供給源から供給される作動流体によって伸縮作動して負荷を駆動するアクチュエータ200である場合について、図3〜5を参照して説明する。
200 アクチュエータ
1 シリンダ
2 ピストンロッド
11 ロッド部
12 ピストン
13 ピストン側室
14 ロッド側室
16 ロッド内室(ロッド内空間)
18 第1連通路
19 第2連通路
20 オリフィスプラグ
21 逆止弁
31 シリンダ
32 ピストンロッド
41 ロッド部
42 ピストン
43 ピストン側室
44 ロッド側室
48 第1連通路
49 第2連通路
51 縮油通路(ロッド内空間)
52 伸油通路
54 メイン連通路
60 オリフィスプラグ
61 逆止弁
Claims (4)
- シリンダと、当該シリンダに進退自在に挿入されたピストンロッドと、を備えるシリンダ装置であって、
前記ピストンロッドは、
前記シリンダの外部へと延出するロッド部と、
前記ロッド部の端部に連結されて前記シリンダ内を摺動自在に移動し、前記シリンダ内をピストン側室とロッド側室に区画するピストンと、を有し、
前記ロッド部は、
前記ロッド部の内部に形成されて前記シリンダの前記ピストン側室と連通するロッド内空間と、
前記ロッド内空間と前記シリンダの前記ロッド側室とを接続する第1連通路と、
前記第1連通路に交換可能に設けられるオリフィスプラグと、を有し、
前記ピストンは、前記オリフィスプラグの一部を覆うように前記ロッド部に連結されることを特徴とするシリンダ装置。 - 前記ロッド内空間と前記シリンダの前記ロッド側室とを接続する第2連通路と、
前記第2連通路に設けられ前記ロッド内空間から前記ロッド側室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、
前記ピストンは、前記逆止弁の一部を覆うように前記ロッド部に連結されることを特徴とする請求項1に記載のシリンダ装置。 - 前記シリンダ装置は、車体の振動を抑制するショックアブソーバであって、
前記オリフィスプラグは、通過する作動流体に対して抵抗を付与して減衰力を発生することを特徴とする請求項1又は2に記載のシリンダ装置。 - 前記シリンダ装置は、流体圧供給源から前記シリンダに供給される作動流体によって伸縮作動して負荷を駆動するアクチュエータであって、
前記オリフィスプラグは、通過する作動流体に対して抵抗を付与して前記アクチュエータの伸長作動時のストローク端付近で前記ピストンロッドを減速させるクッション作用を発揮することを特徴とする請求項1又は2に記載のシリンダ装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014085190A JP6343480B2 (ja) | 2014-04-17 | 2014-04-17 | シリンダ装置 |
KR1020167024131A KR20160145541A (ko) | 2014-04-17 | 2015-04-02 | 실린더 장치 |
US15/124,141 US9995362B2 (en) | 2014-04-17 | 2015-04-02 | Cylinder device |
PCT/JP2015/060503 WO2015159722A1 (ja) | 2014-04-17 | 2015-04-02 | シリンダ装置 |
CA2941517A CA2941517C (en) | 2014-04-17 | 2015-04-02 | Cylinder device |
CN201580013486.5A CN106133380B (zh) | 2014-04-17 | 2015-04-02 | 作动缸装置 |
EP15780345.3A EP3109501B1 (en) | 2014-04-17 | 2015-04-02 | Cylinder device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014085190A JP6343480B2 (ja) | 2014-04-17 | 2014-04-17 | シリンダ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015206374A true JP2015206374A (ja) | 2015-11-19 |
JP6343480B2 JP6343480B2 (ja) | 2018-06-13 |
Family
ID=54323934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014085190A Active JP6343480B2 (ja) | 2014-04-17 | 2014-04-17 | シリンダ装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9995362B2 (ja) |
EP (1) | EP3109501B1 (ja) |
JP (1) | JP6343480B2 (ja) |
KR (1) | KR20160145541A (ja) |
CN (1) | CN106133380B (ja) |
CA (1) | CA2941517C (ja) |
WO (1) | WO2015159722A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020129682A1 (ja) * | 2018-12-18 | 2020-06-25 | Kyb株式会社 | 流体圧緩衝器 |
WO2022202474A1 (ja) | 2021-03-23 | 2022-09-29 | Kyb株式会社 | 流体圧緩衝器 |
WO2022202472A1 (ja) | 2021-03-23 | 2022-09-29 | Kyb株式会社 | 流体圧緩衝器 |
WO2023171508A1 (ja) * | 2022-03-08 | 2023-09-14 | Kyb株式会社 | 流体圧緩衝器 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10470876B2 (en) * | 2015-11-10 | 2019-11-12 | Edwards Lifesciences Corporation | Transcatheter heart valve for replacing natural mitral valve |
JP2019108905A (ja) * | 2017-12-15 | 2019-07-04 | 本田技研工業株式会社 | ダンパー装置 |
DE102018106157A1 (de) * | 2018-03-16 | 2019-09-19 | Voith Patent Gmbh | Vorrichtung zum Abdämpfen von Druckkräften |
JP2020197239A (ja) * | 2019-05-31 | 2020-12-10 | デルタ工業株式会社 | ダンパー及びシートサスペンション機構 |
US12023974B2 (en) * | 2020-07-10 | 2024-07-02 | Caterpillar Inc. | Clevis-ended suspension strut manufactured without welds |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005227270A (ja) * | 2004-01-15 | 2005-08-25 | Komatsu Ltd | ダンプトラックの積載重量測定方法及び積載重量測定装置 |
JP2008157393A (ja) * | 2006-12-26 | 2008-07-10 | Kayaba Ind Co Ltd | 緩衝器のバルブ構造 |
JP2009243634A (ja) * | 2008-03-31 | 2009-10-22 | Hitachi Ltd | 液圧緩衝器 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3154301A (en) * | 1962-02-26 | 1964-10-27 | Kress Automotive Engineering | Suspension device |
US3300202A (en) * | 1965-02-03 | 1967-01-24 | Caterpillar Tractor Co | Vehicle suspension strut |
AR200335A1 (es) * | 1974-08-01 | 1974-10-31 | Duran H | Amortiguador neumatico para la suspension de automotores y/o vehiculos similares |
US4863147A (en) * | 1987-05-18 | 1989-09-05 | Unit Rig, Inc. | Vehicle N2/oil suspension with external damping orifice adjustment |
DE4108801A1 (de) * | 1991-03-18 | 1992-09-24 | Gerhold Dipl Ing Sames | Hydropneumatisches feder-daempfungs-element fuer fahrzeuge insbesondere schienenfahrzeuge |
US6446944B1 (en) * | 2000-08-14 | 2002-09-10 | General Kinetics Engineering Corporation | Suspension strut |
DE10233669A1 (de) * | 2002-07-24 | 2004-02-12 | Btm (Europe) Blechverbindungstechnik Gmbh | Hydraulikzylinder |
US7395184B2 (en) * | 2004-01-15 | 2008-07-01 | Komatsu, Ltd. | Loaded weight measurement method and loaded weight measurement device for dump truck |
US7322273B2 (en) * | 2004-08-13 | 2008-01-29 | The Stanley Works | Piston-piston rod retaining assembly for a hydraulic piston and cylinder unit |
-
2014
- 2014-04-17 JP JP2014085190A patent/JP6343480B2/ja active Active
-
2015
- 2015-04-02 US US15/124,141 patent/US9995362B2/en active Active
- 2015-04-02 CA CA2941517A patent/CA2941517C/en active Active
- 2015-04-02 EP EP15780345.3A patent/EP3109501B1/en active Active
- 2015-04-02 WO PCT/JP2015/060503 patent/WO2015159722A1/ja active Application Filing
- 2015-04-02 CN CN201580013486.5A patent/CN106133380B/zh active Active
- 2015-04-02 KR KR1020167024131A patent/KR20160145541A/ko unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005227270A (ja) * | 2004-01-15 | 2005-08-25 | Komatsu Ltd | ダンプトラックの積載重量測定方法及び積載重量測定装置 |
JP2008157393A (ja) * | 2006-12-26 | 2008-07-10 | Kayaba Ind Co Ltd | 緩衝器のバルブ構造 |
JP2009243634A (ja) * | 2008-03-31 | 2009-10-22 | Hitachi Ltd | 液圧緩衝器 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020129682A1 (ja) * | 2018-12-18 | 2020-06-25 | Kyb株式会社 | 流体圧緩衝器 |
JP2020097997A (ja) * | 2018-12-18 | 2020-06-25 | Kyb株式会社 | 流体圧緩衝器 |
CN113242943A (zh) * | 2018-12-18 | 2021-08-10 | Kyb株式会社 | 流体压力缓冲器 |
GB2595075A (en) * | 2018-12-18 | 2021-11-17 | Kyb Corp | Fluid pressure shock absorber |
JP7202170B2 (ja) | 2018-12-18 | 2023-01-11 | Kyb株式会社 | 流体圧緩衝器 |
GB2595075B (en) * | 2018-12-18 | 2023-03-15 | Kyb Corp | Fluid pressure shock absorber |
CN113242943B (zh) * | 2018-12-18 | 2023-09-26 | Kyb株式会社 | 流体压力缓冲器 |
WO2022202474A1 (ja) | 2021-03-23 | 2022-09-29 | Kyb株式会社 | 流体圧緩衝器 |
WO2022202472A1 (ja) | 2021-03-23 | 2022-09-29 | Kyb株式会社 | 流体圧緩衝器 |
WO2023171508A1 (ja) * | 2022-03-08 | 2023-09-14 | Kyb株式会社 | 流体圧緩衝器 |
JP2023130796A (ja) * | 2022-03-08 | 2023-09-21 | Kyb株式会社 | 流体圧緩衝器 |
JP7378885B2 (ja) | 2022-03-08 | 2023-11-14 | カヤバ株式会社 | 流体圧緩衝器 |
Also Published As
Publication number | Publication date |
---|---|
JP6343480B2 (ja) | 2018-06-13 |
CA2941517A1 (en) | 2015-10-22 |
KR20160145541A (ko) | 2016-12-20 |
CN106133380B (zh) | 2019-05-14 |
US20170016505A1 (en) | 2017-01-19 |
CN106133380A (zh) | 2016-11-16 |
EP3109501B1 (en) | 2018-10-10 |
CA2941517C (en) | 2021-11-02 |
EP3109501A4 (en) | 2017-12-06 |
WO2015159722A1 (ja) | 2015-10-22 |
US9995362B2 (en) | 2018-06-12 |
EP3109501A1 (en) | 2016-12-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6343480B2 (ja) | シリンダ装置 | |
US8499905B2 (en) | Front fork | |
JP4985984B2 (ja) | 減衰力調整式緩衝器 | |
EP2348227B1 (en) | Stiff damper | |
CN107429775B (zh) | 前叉 | |
JP2011257002A (ja) | ショックアブソーバー | |
JP5285963B2 (ja) | 流体圧シリンダ | |
JP4895974B2 (ja) | 複筒型緩衝器 | |
JP6214227B2 (ja) | 油圧緩衝器 | |
JP2009108938A (ja) | 油圧緩衝器 | |
JP5212812B2 (ja) | 液圧緩衝器 | |
JP5997392B2 (ja) | 油圧緩衝器 | |
CN113242943B (zh) | 流体压力缓冲器 | |
JP6255249B2 (ja) | ショックアブソーバ | |
JP5759362B2 (ja) | 油圧緩衝器 | |
KR101325743B1 (ko) | 쇽업소버의 밸브 구조 | |
JP2023007996A (ja) | 車高調整機能付き緩衝器 | |
US10288142B2 (en) | Shock absorber | |
JP6377916B2 (ja) | 正立型フロントフォークとこれを備える車輪懸架装置 | |
JP5491989B2 (ja) | 油圧緩衝器 | |
RU170948U1 (ru) | Стойка пружинная транспортного средства | |
JP4477991B2 (ja) | 車両用の油圧緩衝器 | |
JP2005121060A (ja) | 油圧緩衝器の車高調整装置 | |
JP2006307907A (ja) | フロントフォーク | |
JP2006132593A (ja) | 車両用の油圧緩衝器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20161216 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20161220 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20171212 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20180207 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180424 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180521 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6343480 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |