JP2018138789A - ピストン - Google Patents
ピストン Download PDFInfo
- Publication number
- JP2018138789A JP2018138789A JP2017033066A JP2017033066A JP2018138789A JP 2018138789 A JP2018138789 A JP 2018138789A JP 2017033066 A JP2017033066 A JP 2017033066A JP 2017033066 A JP2017033066 A JP 2017033066A JP 2018138789 A JP2018138789 A JP 2018138789A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- cylinder
- annular
- lateral force
- band
- 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 claims description 33
- 230000035939 shock Effects 0.000 claims description 33
- 239000007788 liquid Substances 0.000 description 19
- 238000013016 damping Methods 0.000 description 10
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 7
- 230000008602 contraction Effects 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/28—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction of non-metals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
Description
Claims (3)
- ピストン本体と、
前記ピストン本体の外周に装着された環状のピストンバンドとを備え、
前記ピストンバンドは、軸方向の一端部に形成されて外径が他の部分よりも大きい環状突部を有し、
前記他の部分の外周には、周方向に沿う環状の浅い溝と、前記浅い溝よりも深く周方向に沿う環状の深い溝が軸方向に交互に形成されている
ことを特徴とするピストン。 - 緩衝器のシリンダ内に摺動自在に挿入されており、
前記環状突部は、前記シリンダに対して締め代を有し、
前記他の部分の外径は、前記シリンダの内径よりも小さく形成されている
ことを特徴とする請求項1に記載のピストン。 - 前記ピストン本体の外周には、周方向に沿う環状凹部が軸方向に複数形成されており、
前記ピストンバンドの内周には、前記環状凹部に嵌合する嵌合部が軸方向に複数形成されている
ことを特徴とする請求項1又は2に記載のピストン。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017033066A JP6817848B2 (ja) | 2017-02-24 | 2017-02-24 | 緩衝器 |
PCT/JP2018/005747 WO2018155380A1 (ja) | 2017-02-24 | 2018-02-19 | ピストンおよび緩衝器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017033066A JP6817848B2 (ja) | 2017-02-24 | 2017-02-24 | 緩衝器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018138789A true JP2018138789A (ja) | 2018-09-06 |
JP6817848B2 JP6817848B2 (ja) | 2021-01-20 |
Family
ID=63253887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017033066A Active JP6817848B2 (ja) | 2017-02-24 | 2017-02-24 | 緩衝器 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6817848B2 (ja) |
WO (1) | WO2018155380A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019225544A1 (ja) * | 2018-05-21 | 2019-11-28 | 日立オートモティブシステムズ株式会社 | 緩衝器 |
JPWO2021065729A1 (ja) * | 2019-10-02 | 2021-04-08 | ||
DE102019215159B4 (de) | 2019-10-02 | 2024-04-18 | Robert Bosch Gmbh | Stellkolben und Verstelleinrichtung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0253570U (ja) * | 1988-10-11 | 1990-04-18 | ||
JPH0374681A (ja) * | 1989-08-11 | 1991-03-29 | Nippon Seiko Kk | シリンダ用ピストン |
JP2002295679A (ja) * | 2001-03-30 | 2002-10-09 | Kayaba Ind Co Ltd | ピストン部構造 |
JP2004316704A (ja) * | 2003-04-14 | 2004-11-11 | Kayaba Ind Co Ltd | ピストン |
-
2017
- 2017-02-24 JP JP2017033066A patent/JP6817848B2/ja active Active
-
2018
- 2018-02-19 WO PCT/JP2018/005747 patent/WO2018155380A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0253570U (ja) * | 1988-10-11 | 1990-04-18 | ||
JPH0374681A (ja) * | 1989-08-11 | 1991-03-29 | Nippon Seiko Kk | シリンダ用ピストン |
JP2002295679A (ja) * | 2001-03-30 | 2002-10-09 | Kayaba Ind Co Ltd | ピストン部構造 |
JP2004316704A (ja) * | 2003-04-14 | 2004-11-11 | Kayaba Ind Co Ltd | ピストン |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019225544A1 (ja) * | 2018-05-21 | 2019-11-28 | 日立オートモティブシステムズ株式会社 | 緩衝器 |
JPWO2019225544A1 (ja) * | 2018-05-21 | 2021-04-22 | 日立Astemo株式会社 | 緩衝器 |
JPWO2021065729A1 (ja) * | 2019-10-02 | 2021-04-08 | ||
WO2021065729A1 (ja) * | 2019-10-02 | 2021-04-08 | 日立Astemo株式会社 | 緩衝器 |
KR20220041942A (ko) * | 2019-10-02 | 2022-04-01 | 히다치 아스테모 가부시키가이샤 | 완충기 |
JP7246504B2 (ja) | 2019-10-02 | 2023-03-27 | 日立Astemo株式会社 | 緩衝器 |
KR102658271B1 (ko) | 2019-10-02 | 2024-04-16 | 히다치 아스테모 가부시키가이샤 | 완충기 |
DE102019215159B4 (de) | 2019-10-02 | 2024-04-18 | Robert Bosch Gmbh | Stellkolben und Verstelleinrichtung |
Also Published As
Publication number | Publication date |
---|---|
WO2018155380A1 (ja) | 2018-08-30 |
JP6817848B2 (ja) | 2021-01-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104246283B (zh) | 液压缓冲器 | |
WO2018155380A1 (ja) | ピストンおよび緩衝器 | |
JP5977665B2 (ja) | フロントフォーク | |
JP6942185B2 (ja) | 緩衝器およびその製造方法 | |
JP6114499B2 (ja) | シール部材および緩衝器 | |
JP2006266290A (ja) | モノチューブ式ショックアブソーバのフリーピストンシール構造 | |
JP2006038097A (ja) | 油圧緩衝器 | |
JP6408818B2 (ja) | ピストンの製造方法 | |
JP5212822B2 (ja) | 液圧緩衝器 | |
KR20200130455A (ko) | 완충기 | |
JP5530142B2 (ja) | ピストン部のシール構造 | |
JP2017227284A (ja) | 緩衝器 | |
JP4921298B2 (ja) | 単筒型緩衝器 | |
JP5587961B2 (ja) | ショックアブソーバー | |
WO2021065729A1 (ja) | 緩衝器 | |
JP2006177493A (ja) | 油圧緩衝器 | |
JP2005090606A (ja) | 油圧緩衝器のフリクション付与構造 | |
US9772000B2 (en) | Piston and shock absorber including piston | |
JP5132385B2 (ja) | ピストン部構造 | |
JP4739815B2 (ja) | 油圧緩衝器のピストン | |
JP2018017335A (ja) | 緩衝器 | |
JP2018096438A (ja) | 緩衝器 | |
JP2009074560A (ja) | 単筒型緩衝器 | |
JP2008267488A (ja) | 流体圧緩衝器 | |
JP6006621B2 (ja) | 緩衝器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20191023 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200630 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200825 |
|
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: 20201201 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20201225 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6817848 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 |