JP2021076139A - バルブ及び緩衝器 - Google Patents
バルブ及び緩衝器 Download PDFInfo
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- JP2021076139A JP2021076139A JP2019201178A JP2019201178A JP2021076139A JP 2021076139 A JP2021076139 A JP 2021076139A JP 2019201178 A JP2019201178 A JP 2019201178A JP 2019201178 A JP2019201178 A JP 2019201178A JP 2021076139 A JP2021076139 A JP 2021076139A
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- leaf valve
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 48
- 230000035939 shock Effects 0.000 title claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 230000002093 peripheral effect Effects 0.000 claims description 44
- 238000005452 bending Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000013016 damping Methods 0.000 description 49
- 230000006835 compression Effects 0.000 description 44
- 238000007906 compression Methods 0.000 description 44
- 230000004048 modification Effects 0.000 description 15
- 238000012986 modification Methods 0.000 description 15
- 239000007789 gas Substances 0.000 description 8
- 230000008602 contraction Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 241001634822 Biston Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- FFGPTBGBLSHEPO-UHFFFAOYSA-N carbamazepine Chemical compound C1=CC2=CC=CC=C2N(C(=O)N)C2=CC=CC=C21 FFGPTBGBLSHEPO-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004904 shortening Methods 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
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body
- F16F9/3485—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body characterised by features of supporting elements intended to guide or limit the movement of the annular discs
-
- 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
- F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body
- F16F9/3484—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body characterised by features of the annular discs per se, singularly or in combination
-
- 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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
-
- 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
-
- 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
- F16F9/3214—Constructional features of 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
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
- F16F9/325—Constructional features of cylinders for attachment of valve 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
- F16F9/32—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
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body
- F16F9/3481—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body characterised by shape or construction of throttling passages in piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
【解決手段】 バルブが、軸方向の両側への撓みが許容されるリーフバルブ8aと、リーフバルブ8aの自由端との間に隙間Pをあけて設けられる環状の対向部5dと、リーフバルブ8aの軸方向の一方に積層されるサブリーフバルブ8bと、リーフバルブ8aに隙間Pと並列に形成されて、リーフバルブ8aがサブリーフバルブ8bから離れる方向へ撓むと開く通路Bとを備える。
【選択図】 図5
Description
Claims (7)
- 環状であって外周と内周の一方を自由端として軸方向の両側への撓みが許容されるリーフバルブと、
前記リーフバルブの前記自由端との間に隙間をあけて設けられる環状の対向部と、
前記リーフバルブの軸方向の一方に積層されるサブリーフバルブと、
前記リーフバルブに前記隙間と並列に形成されて、前記リーフバルブが前記サブリーフバルブから離れる方向へ撓むと開く通路とを備える
ことを特徴とするバルブ。 - 前記サブリーフバルブを第一のサブリーフバルブとすると、
前記リーフバルブの軸方向の他方に積層される第二のサブリーフバルブを備え、
前記リーフバルブには、前記リーフバルブの肉厚を貫通する通孔が形成され、
前記第二のサブリーフバルブには、軸方向視で前記通孔と重なり合う位置に前記第二のサブリーフバルブの肉厚を貫通する孔が形成され、
前記通路は、前記通孔と前記孔により形成されて、前記第一のサブリーフバルブで開閉される
ことを特徴とする請求項1に記載のバルブ。 - 前記サブリーフバルブを第一のサブリーフバルブとすると、
前記リーフバルブの軸方向の他方に積層される第二のサブリーフバルブと、
前記第二のサブリーフバルブの前記リーフバルブとは反対側に積層される第三のサブリーフバルブとを備え、
前記リーフバルブには、前記リーフバルブの肉厚を貫通する通孔が形成され、
前記第二のサブリーフバルブには、軸方向視で前記通孔と重なり合う位置に、前記第二のサブリーフバルブの肉厚を貫通するとともに側方へ開口する切欠きが形成され、
前記通路は、前記通孔と前記切欠きにより前記リーフバルブと前記第三のサブリーフバルブとの間に形成される隙間により形成されて、前記第一のサブリーフバルブで開閉される
ことを特徴とする請求項1に記載のバルブ。 - 前記サブリーフバルブを第一のサブリーフバルブとし、
前記通路を第一の通路とすると、
前記リーフバルブの軸方向の他方に積層される第二のサブリーフバルブと、
前記リーフバルブに前記隙間と並列に形成されて、前記リーフバルブが前記第二のサブリーフバルブから離れる方向へ撓むと開く第二の通路とを備える
ことを特徴とする請求項1に記載のバルブ。 - 前記リーフバルブには、前記リーフバルブの肉厚を貫通する第一、第二の通孔が形成され、
前記第一のサブリーフバルブには、軸方向視で前記第二の通孔と重なり合う位置に、前記第一のサブリーフバルブの肉厚を貫通する第一のサブリーフバルブ孔が形成され、
前記第二のサブリーフバルブには、軸方向視で前記第一の通孔と重なり合う位置に、前記第二のサブリーフバルブの肉厚を貫通する第二のサブリーフバルブ孔が形成され、
前記第一の通路は、前記第一の通孔と前記第二のサブリーフバルブ孔により形成されて、前記第一のサブリーフバルブで開閉され、
前記第二の通路は、前記第二の通孔と前記第一のサブリーフバルブ孔により形成されて、前記第二のサブリーフバルブで開閉される
ことを特徴とする請求項4に記載のバルブ。 - 前記第一の通孔は、前記第二の通孔より外周側又は内周側に形成されている
ことを特徴とする請求項5に記載のバルブ。 - シリンダと、
前記シリンダ内に軸方向へ移動可能に挿入されるロッドと、
請求項1から6の何れか一項に記載のバルブとを備え、
前記バルブは、前記シリンダと前記ロッドが軸方向へ相対移動する際に生じる液体の流れに対して抵抗を与える
ことを特徴とする緩衝器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019201178A JP7402017B2 (ja) | 2019-11-06 | 2019-11-06 | バルブ及び緩衝器 |
US17/088,748 US11542999B2 (en) | 2019-11-06 | 2020-11-04 | Valve and shock absorber |
CN202011224181.8A CN112780711B (zh) | 2019-11-06 | 2020-11-05 | 阀以及缓冲器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019201178A JP7402017B2 (ja) | 2019-11-06 | 2019-11-06 | バルブ及び緩衝器 |
Publications (2)
Publication Number | Publication Date |
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JP2021076139A true JP2021076139A (ja) | 2021-05-20 |
JP7402017B2 JP7402017B2 (ja) | 2023-12-20 |
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JP2019201178A Active JP7402017B2 (ja) | 2019-11-06 | 2019-11-06 | バルブ及び緩衝器 |
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US (1) | US11542999B2 (ja) |
JP (1) | JP7402017B2 (ja) |
CN (1) | CN112780711B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023199648A1 (ja) * | 2022-04-14 | 2023-10-19 | 日立Astemo株式会社 | 緩衝器 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020134820A1 (de) * | 2020-12-23 | 2022-06-23 | Ktm Ag | Ventilanordnung für einen Schwingungsdämpfer |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0276937A (ja) | 1988-06-03 | 1990-03-16 | Honda Motor Co Ltd | 油圧緩衝器 |
JP3827178B2 (ja) * | 1997-02-21 | 2006-09-27 | カヤバ工業株式会社 | 油圧緩衝器 |
JP2006177469A (ja) * | 2004-12-24 | 2006-07-06 | Kayaba Ind Co Ltd | 油圧緩衝器の減衰力発生バルブ構造 |
JP5165870B2 (ja) * | 2006-08-25 | 2013-03-21 | カヤバ工業株式会社 | 緩衝器のバルブ構造 |
JP5787961B2 (ja) | 2013-10-31 | 2015-09-30 | 日立オートモティブシステムズ株式会社 | 緩衝器 |
JP5949789B2 (ja) | 2014-01-10 | 2016-07-13 | トヨタ自動車株式会社 | ショックアブソーバ |
JP2016173140A (ja) | 2015-03-17 | 2016-09-29 | トヨタ自動車株式会社 | ショックアブソーバ |
DE102016210789B4 (de) * | 2016-06-16 | 2020-08-06 | Zf Friedrichshafen Ag | Dämpfventil für einen Schwingungsdämpfer |
JP2018076920A (ja) | 2016-11-09 | 2018-05-17 | トヨタ自動車株式会社 | ショックアブソーバ |
JP6875983B2 (ja) * | 2017-12-26 | 2021-05-26 | Kyb株式会社 | バルブ及び緩衝器 |
JP7051543B2 (ja) | 2018-04-06 | 2022-04-11 | Kyb株式会社 | バルブ及び緩衝器 |
-
2019
- 2019-11-06 JP JP2019201178A patent/JP7402017B2/ja active Active
-
2020
- 2020-11-04 US US17/088,748 patent/US11542999B2/en active Active
- 2020-11-05 CN CN202011224181.8A patent/CN112780711B/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023199648A1 (ja) * | 2022-04-14 | 2023-10-19 | 日立Astemo株式会社 | 緩衝器 |
Also Published As
Publication number | Publication date |
---|---|
JP7402017B2 (ja) | 2023-12-20 |
CN112780711A (zh) | 2021-05-11 |
US11542999B2 (en) | 2023-01-03 |
US20210131517A1 (en) | 2021-05-06 |
CN112780711B (zh) | 2023-03-24 |
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