JP6808182B2 - 流体圧シリンダ - Google Patents
流体圧シリンダ Download PDFInfo
- Publication number
- JP6808182B2 JP6808182B2 JP2017172250A JP2017172250A JP6808182B2 JP 6808182 B2 JP6808182 B2 JP 6808182B2 JP 2017172250 A JP2017172250 A JP 2017172250A JP 2017172250 A JP2017172250 A JP 2017172250A JP 6808182 B2 JP6808182 B2 JP 6808182B2
- Authority
- JP
- Japan
- Prior art keywords
- fluid pressure
- pressure cylinder
- magnet
- cylinder tube
- piston
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 title claims description 66
- 230000002093 peripheral effect Effects 0.000 claims description 86
- 238000012856 packing Methods 0.000 claims description 43
- 125000006850 spacer group Chemical group 0.000 description 15
- 238000007789 sealing Methods 0.000 description 7
- 239000013013 elastic material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000002788 crimping Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- QHSJIZLJUFMIFP-UHFFFAOYSA-N ethene;1,1,2,2-tetrafluoroethene Chemical group C=C.FC(F)=C(F)F QHSJIZLJUFMIFP-UHFFFAOYSA-N 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2861—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT using magnetic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1471—Guiding means other than in the end cap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2807—Position switches, i.e. means for sensing of discrete positions only, e.g. limit switches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2892—Means for indicating the position, e.g. end of stroke characterised by the attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1414—Characterised by the construction of the motor unit of the straight-cylinder type with non-rotatable piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
- F15B15/223—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having a piston with a piston extension or piston recess which completely seals the main fluid outlet as the piston approaches its end position
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Description
13…摺動孔 18、86…ピストンユニット
20、88…ピストンロッド 40、106…ピストン本体
42…パッキン 44…保持部材
58…マグネット保持部 64、64a…磁気センサ
Claims (9)
- 内部に摺動孔を有するシリンダチューブと、
前記摺動孔に沿って往復移動可能に配置されたピストンユニットと、
前記ピストンユニットから軸方向に突出したピストンロッドと、を備え、
前記ピストンユニットは、
前記ピストンロッドから径方向外方に突出したピストン本体と、
前記ピストン本体の外周部に装着されたパッキンと、
前記ピストン本体の外周部に装着され、マグネット保持部を有する保持部材と、
前記マグネット保持部により保持され、前記ピストン本体の周方向に部分的に配置されたマグネットと、を有し、
前記マグネット保持部は、前記保持部材の外周面にて開口した切欠部を有し、
前記保持部材は、前記ピストン本体の外周部に沿って周方向に延在する周方向部を有し、
前記マグネット保持部は、前記周方向部の内周面から内方に突出し、
前記切欠部は、前記周方向部の外周面にて開口している、
ことを特徴とする流体圧シリンダ。 - 請求項1記載の流体圧シリンダにおいて、
前記マグネットの外端は、前記切欠部に配置されている、
ことを特徴とする流体圧シリンダ。 - 請求項1記載の流体圧シリンダにおいて、
前記マグネット保持部は、前記周方向部の軸方向寸法の範囲内に設けられている、
ことを特徴とする流体圧シリンダ。 - 請求項3記載の流体圧シリンダにおいて、
前記保持部材には、前記マグネット保持部に対して周方向にずれた位置に、前記シリンダチューブに対する前記保持部材の回転を阻止する回り止め用突起が設けられている、
ことを特徴とする流体圧シリンダ。 - 請求項1〜4のいずれか1項に記載の流体圧シリンダにおいて、
前記摺動孔及びピストン本体は円形であり、
前記保持部材は、前記ピストンロッドに対して相対回転可能であり、
前記ピストンロッドは、前記シリンダチューブに対して相対回転可能であり、
前記保持部材は、前記シリンダチューブに対する相対回転が規制されている、
ことを特徴とする流体圧シリンダ。 - 請求項5記載の流体圧シリンダにおいて、
前記シリンダチューブの内周面には、前記シリンダチューブの軸方向に沿って回り止め用溝が設けられ、
前記保持部材には、前記回り止め用溝に係合した回り止め用突起が設けられている、
ことを特徴とする流体圧シリンダ。 - 請求項6記載の流体圧シリンダにおいて、
前記パッキンの外周部には、前記回り止め用溝に挿入されるとともに前記回り止め用溝の内面に摺動可能に接触した凸部が設けられている、
ことを特徴とする流体圧シリンダ。 - 請求項7記載の流体圧シリンダにおいて、
前記ピストン本体は、前記ピストンロッドに対して相対回転可能である、
ことを特徴とする流体圧シリンダ。 - 請求項1〜4のいずれか1項に記載の流体圧シリンダにおいて、
前記保持部材は、前記ピストン本体が前記シリンダチューブに接触することを阻止するように構成されたウエアリングである、
ことを特徴とする流体圧シリンダ。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017172250A JP6808182B2 (ja) | 2017-09-07 | 2017-09-07 | 流体圧シリンダ |
KR1020207009970A KR102291549B1 (ko) | 2017-09-07 | 2018-07-06 | 유체압 실린더 |
CN201880057846.5A CN111094765B (zh) | 2017-09-07 | 2018-07-06 | 流体压力缸 |
MX2020002650A MX2020002650A (es) | 2017-09-07 | 2018-07-06 | Cilindro hidraulico. |
US16/645,371 US11085468B2 (en) | 2017-09-07 | 2018-07-06 | Hydraulic cylinder |
BR112020004434-2A BR112020004434A2 (pt) | 2017-09-07 | 2018-07-06 | cilindro hidráulico |
PCT/JP2018/025732 WO2019049500A1 (ja) | 2017-09-07 | 2018-07-06 | 流体圧シリンダ |
EP18853381.4A EP3680494B1 (en) | 2017-09-07 | 2018-07-06 | Hydraulic cylinder |
TW107124516A TWI683063B (zh) | 2017-09-07 | 2018-07-16 | 流體壓力缸 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017172250A JP6808182B2 (ja) | 2017-09-07 | 2017-09-07 | 流体圧シリンダ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2019044947A JP2019044947A (ja) | 2019-03-22 |
JP2019044947A5 JP2019044947A5 (ja) | 2019-06-20 |
JP6808182B2 true JP6808182B2 (ja) | 2021-01-06 |
Family
ID=65634811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017172250A Active JP6808182B2 (ja) | 2017-09-07 | 2017-09-07 | 流体圧シリンダ |
Country Status (9)
Country | Link |
---|---|
US (1) | US11085468B2 (ja) |
EP (1) | EP3680494B1 (ja) |
JP (1) | JP6808182B2 (ja) |
KR (1) | KR102291549B1 (ja) |
CN (1) | CN111094765B (ja) |
BR (1) | BR112020004434A2 (ja) |
MX (1) | MX2020002650A (ja) |
TW (1) | TWI683063B (ja) |
WO (1) | WO2019049500A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6718584B2 (ja) * | 2018-01-26 | 2020-07-08 | Smc株式会社 | 流体圧シリンダ |
JP1661955S (ja) * | 2019-03-29 | 2020-06-22 | ||
JP1661954S (ja) * | 2019-03-29 | 2020-06-22 | ||
JP1664750S (ja) * | 2019-03-29 | 2020-07-27 | ||
JP7063435B2 (ja) * | 2019-07-04 | 2022-05-09 | Smc株式会社 | センサ取付具及び流体圧シリンダ |
USD924938S1 (en) | 2019-07-29 | 2021-07-13 | Hawe Hydraulik Se | Housing portion for a hydraulic pump |
JP1663497S (ja) * | 2019-07-29 | 2020-07-13 | ||
JP1663520S (ja) * | 2019-07-29 | 2020-07-13 | ||
CN118128996B (zh) * | 2024-05-08 | 2024-07-05 | 江苏丰源船舶工程有限公司 | 内置液压锁止结构的预绝热检修门 |
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JPS5181272A (ja) | 1975-01-16 | 1976-07-16 | Hitachi Ltd | Sadokikioidosaserushirindasochi |
SE443615B (sv) | 1981-10-14 | 1986-03-03 | Mecman Ab | Kolvringanordning med magneter |
JPS63122902A (ja) * | 1986-11-13 | 1988-05-26 | Ckd Controls Ltd | 移動体の位置確認装置 |
DE9305640U1 (de) * | 1993-04-15 | 1994-08-25 | Hydraulik Techniek, Emmen | Druckmittelbetätigter Arbeitszylinder |
DE4322255C2 (de) * | 1993-07-05 | 1996-02-01 | Festo Kg | Dämpfungsvorrichtung |
JPH0861308A (ja) * | 1994-08-22 | 1996-03-08 | Smc Corp | 流体圧シリンダ |
JP3406095B2 (ja) | 1994-10-24 | 2003-05-12 | 村田機械株式会社 | 流体圧シリンダ |
DE29607993U1 (de) * | 1996-05-03 | 1996-08-01 | Festo Kg, 73734 Esslingen | Kolben für einen Arbeitszylinder |
JP3295619B2 (ja) * | 1997-07-16 | 2002-06-24 | エスエムシー株式会社 | 流体圧シリンダにおけるセンサ取付具 |
CN1206796A (zh) * | 1997-07-30 | 1999-02-03 | 速睦喜股份有限公司 | 流体压缸的传感器安装装置 |
JP3796639B2 (ja) * | 1997-09-19 | 2006-07-12 | Smc株式会社 | 流体圧シリンダ |
JPH11132204A (ja) * | 1997-10-31 | 1999-05-18 | Taiyo Ltd | シリンダ装置 |
JP2001234903A (ja) * | 2000-02-23 | 2001-08-31 | Mitsubishi Cable Ind Ltd | 磁性ウエアリング |
JP2006242341A (ja) * | 2005-03-04 | 2006-09-14 | Smc Corp | 位置検出機構付きアクチュエータ |
JP2008133920A (ja) | 2006-11-29 | 2008-06-12 | Smc Corp | 流体圧シリンダ |
JP2009030674A (ja) * | 2007-07-25 | 2009-02-12 | Smc Corp | 位置検出センサの取付機構 |
JP5181272B2 (ja) | 2007-11-05 | 2013-04-10 | 清水建設株式会社 | トンネル安定性の評価方法及びそのプログラム |
DE102009020286A1 (de) | 2009-05-07 | 2010-11-11 | Robert Bosch Gmbh | Kolben mit variablem Permanent-Magneten |
JP5397407B2 (ja) | 2011-04-27 | 2014-01-22 | Smc株式会社 | 直線作動装置に用いられるウェアリング |
JP5914936B2 (ja) | 2012-05-14 | 2016-05-11 | Smc株式会社 | 流体圧シリンダ |
US10570934B2 (en) * | 2014-10-02 | 2020-02-25 | Smc Corporation | Fluidic cylinder |
JP6519865B2 (ja) | 2015-06-11 | 2019-05-29 | Smc株式会社 | 流体圧シリンダ |
JP6673549B2 (ja) * | 2016-08-10 | 2020-03-25 | Smc株式会社 | 流体圧装置及びピストン組立体の製造方法 |
JP6558582B2 (ja) * | 2016-08-10 | 2019-08-14 | Smc株式会社 | 流体圧装置 |
JP6808183B2 (ja) * | 2017-09-07 | 2021-01-06 | Smc株式会社 | ピストンユニット及び流体圧シリンダ |
-
2017
- 2017-09-07 JP JP2017172250A patent/JP6808182B2/ja active Active
-
2018
- 2018-07-06 EP EP18853381.4A patent/EP3680494B1/en active Active
- 2018-07-06 WO PCT/JP2018/025732 patent/WO2019049500A1/ja unknown
- 2018-07-06 BR BR112020004434-2A patent/BR112020004434A2/pt not_active IP Right Cessation
- 2018-07-06 CN CN201880057846.5A patent/CN111094765B/zh active Active
- 2018-07-06 US US16/645,371 patent/US11085468B2/en active Active
- 2018-07-06 KR KR1020207009970A patent/KR102291549B1/ko active IP Right Grant
- 2018-07-06 MX MX2020002650A patent/MX2020002650A/es unknown
- 2018-07-16 TW TW107124516A patent/TWI683063B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US11085468B2 (en) | 2021-08-10 |
WO2019049500A1 (ja) | 2019-03-14 |
MX2020002650A (es) | 2020-07-22 |
KR20200044961A (ko) | 2020-04-29 |
BR112020004434A2 (pt) | 2020-09-15 |
EP3680494A4 (en) | 2021-05-19 |
EP3680494A1 (en) | 2020-07-15 |
CN111094765B (zh) | 2022-03-22 |
KR102291549B1 (ko) | 2021-08-19 |
TW201912960A (zh) | 2019-04-01 |
EP3680494B1 (en) | 2023-03-08 |
TWI683063B (zh) | 2020-01-21 |
CN111094765A (zh) | 2020-05-01 |
JP2019044947A (ja) | 2019-03-22 |
US20200300276A1 (en) | 2020-09-24 |
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