CN111771064A - 流体压缸中的密封构造及该流体压缸 - Google Patents

流体压缸中的密封构造及该流体压缸 Download PDF

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Publication number
CN111771064A
CN111771064A CN201980014918.2A CN201980014918A CN111771064A CN 111771064 A CN111771064 A CN 111771064A CN 201980014918 A CN201980014918 A CN 201980014918A CN 111771064 A CN111771064 A CN 111771064A
Authority
CN
China
Prior art keywords
packing
sliding surface
groove
chamber
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.)
Pending
Application number
CN201980014918.2A
Other languages
English (en)
Chinese (zh)
Inventor
工藤政行
武田健一
川上雅彦
田村健
小高司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMC Corp
Original Assignee
SMC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SMC Corp filed Critical SMC Corp
Publication of CN111771064A publication Critical patent/CN111771064A/zh
Pending legal-status Critical Current

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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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/005—Pistons; Trunk pistons; Plungers obtained by assembling several pieces
    • F16J1/006—Pistons; Trunk pistons; Plungers obtained by assembling several pieces of different materials
    • F16J1/008—Pistons; Trunk pistons; Plungers obtained by assembling several pieces of different materials with sealing lips
    • 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
    • F15B15/1447—Pistons; Piston to piston rod assemblies
    • F15B15/1452—Piston sealings
    • 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
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
    • 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
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • 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
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
    • 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
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/324—Arrangements for lubrication or cooling of the sealing itself
    • 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
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3268—Mounting of sealing rings
    • 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
    • F16J15/00—Sealings
    • F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
    • F16J15/48—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings influenced by the pressure within the member to be sealed
    • 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
    • F16J9/12—Details
    • F16J9/20—Rings with special cross-section; Oil-scraping rings
    • 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
    • F15B15/1428—Cylinders
    • 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
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sealing Devices (AREA)
  • Actuator (AREA)
CN201980014918.2A 2018-02-28 2019-02-20 流体压缸中的密封构造及该流体压缸 Pending CN111771064A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018035914A JP6997977B2 (ja) 2018-02-28 2018-02-28 流体圧シリンダにおけるシール構造及びその流体圧シリンダ
JP2018-035914 2018-02-28
PCT/JP2019/006246 WO2019167738A1 (ja) 2018-02-28 2019-02-20 流体圧シリンダにおけるシール構造及びその流体圧シリンダ

Publications (1)

Publication Number Publication Date
CN111771064A true CN111771064A (zh) 2020-10-13

Family

ID=67806147

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980014918.2A Pending CN111771064A (zh) 2018-02-28 2019-02-20 流体压缸中的密封构造及该流体压缸

Country Status (10)

Country Link
US (1) US20210003152A1 (https=)
EP (1) EP3760881A4 (https=)
JP (1) JP6997977B2 (https=)
KR (1) KR20200124232A (https=)
CN (1) CN111771064A (https=)
BR (1) BR112020017504A2 (https=)
MX (1) MX2020008846A (https=)
RU (1) RU2020131523A (https=)
TW (1) TW201937084A (https=)
WO (1) WO2019167738A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112648304A (zh) * 2019-10-11 2021-04-13 舍弗勒技术股份两合公司 密封装置及液压活塞装置
CN114810718A (zh) * 2022-05-25 2022-07-29 广州德马威工业装备制造有限公司 一种多重密封耐高压液体密封件

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11067104B1 (en) * 2020-11-16 2021-07-20 Caterpillar Inc. Integrated cylinder piston and bearing as a hydraulic cushion
US12595811B2 (en) * 2024-04-30 2026-04-07 Rosenboom Machine & Tool, Inc. Seal plate method for communicating retract oil to retract side of piston in hydraulic cylinder
US12590775B2 (en) 2024-07-16 2026-03-31 Raytheon Company Trigger lock

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0579142U (ja) * 1992-03-31 1993-10-26 エスエムシー株式会社 スプール弁
CN101191509A (zh) * 2006-11-29 2008-06-04 Smc株式会社 流体压力缸
CN101563559A (zh) * 2006-12-14 2009-10-21 Nok株式会社 密封装置和密封装置的制造方法
CN102261464A (zh) * 2010-05-19 2011-11-30 Smc株式会社 流体压力设备
CN103388604A (zh) * 2012-05-07 2013-11-13 北京纽希液压技术研究所 一种液压缸
CN205841759U (zh) * 2016-07-15 2016-12-28 无锡恩福油封有限公司 密封装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU431969B2 (en) * 1968-08-06 1973-01-24 Seal ring
CH612256A5 (https=) * 1977-06-27 1979-07-13 Occident Ets
JPH0497165U (https=) * 1991-01-22 1992-08-21
DE4137461C2 (de) * 1991-11-14 1994-06-16 Freudenberg Carl Fa Dichtungsanordnung für einen Separator
CA2119920A1 (en) * 1993-06-28 1994-12-29 Richard A. Lutkus Air cylinder with anti-blowby piston
JPH0914451A (ja) * 1995-07-04 1997-01-14 Ckd Corp ピストン及びシリンダ
JPH09144884A (ja) * 1995-11-24 1997-06-03 Nok Corp ピストン
JP2010014202A (ja) * 2008-07-03 2010-01-21 Nok Corp 密封装置
JP5360569B2 (ja) * 2009-07-21 2013-12-04 Ｓｍｃ株式会社 パッキン

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0579142U (ja) * 1992-03-31 1993-10-26 エスエムシー株式会社 スプール弁
CN101191509A (zh) * 2006-11-29 2008-06-04 Smc株式会社 流体压力缸
CN101563559A (zh) * 2006-12-14 2009-10-21 Nok株式会社 密封装置和密封装置的制造方法
CN102261464A (zh) * 2010-05-19 2011-11-30 Smc株式会社 流体压力设备
CN103388604A (zh) * 2012-05-07 2013-11-13 北京纽希液压技术研究所 一种液压缸
CN205841759U (zh) * 2016-07-15 2016-12-28 无锡恩福油封有限公司 密封装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112648304A (zh) * 2019-10-11 2021-04-13 舍弗勒技术股份两合公司 密封装置及液压活塞装置
CN114810718A (zh) * 2022-05-25 2022-07-29 广州德马威工业装备制造有限公司 一种多重密封耐高压液体密封件

Also Published As

Publication number Publication date
EP3760881A4 (en) 2021-11-17
WO2019167738A1 (ja) 2019-09-06
JP6997977B2 (ja) 2022-01-18
TW201937084A (zh) 2019-09-16
US20210003152A1 (en) 2021-01-07
EP3760881A1 (en) 2021-01-06
RU2020131523A (ru) 2022-03-28
JP2019152233A (ja) 2019-09-12
KR20200124232A (ko) 2020-11-02
MX2020008846A (es) 2020-10-01
BR112020017504A2 (pt) 2020-12-22

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Application publication date: 20201013

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