KR20200124232A - 유체압 실린더에 있어서의 실링 구조 및 그 유체압 실린더 - Google Patents

유체압 실린더에 있어서의 실링 구조 및 그 유체압 실린더 Download PDF

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Publication number
KR20200124232A
KR20200124232A KR1020207024257A KR20207024257A KR20200124232A KR 20200124232 A KR20200124232 A KR 20200124232A KR 1020207024257 A KR1020207024257 A KR 1020207024257A KR 20207024257 A KR20207024257 A KR 20207024257A KR 20200124232 A KR20200124232 A KR 20200124232A
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KR
South Korea
Prior art keywords
packing
sliding surface
sealing structure
piston
sealing
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.)
Withdrawn
Application number
KR1020207024257A
Other languages
English (en)
Korean (ko)
Inventor
마사유키 쿠도
켄이치 타케다
마사히코 카와카미
켄 타무라
츠카사 오다카
Original Assignee
에스엠시 가부시키가이샤
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 에스엠시 가부시키가이샤 filed Critical 에스엠시 가부시키가이샤
Publication of KR20200124232A publication Critical patent/KR20200124232A/ko
Withdrawn legal-status Critical Current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)
KR1020207024257A 2018-02-28 2019-02-20 유체압 실린더에 있어서의 실링 구조 및 그 유체압 실린더 Withdrawn KR20200124232A (ko)

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
JPJP-P-2018-035914 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
KR20200124232A true KR20200124232A (ko) 2020-11-02

Family

ID=67806147

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020207024257A Withdrawn KR20200124232A (ko) 2018-02-28 2019-02-20 유체압 실린더에 있어서의 실링 구조 및 그 유체압 실린더

Country Status (10)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112648304B (zh) * 2019-10-11 2024-08-23 舍弗勒技术股份两合公司 密封装置及液压活塞装置
US11067104B1 (en) * 2020-11-16 2021-07-20 Caterpillar Inc. Integrated cylinder piston and bearing as a hydraulic cushion
CN114810718B (zh) * 2022-05-25 2025-08-26 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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011027127A (ja) 2009-07-21 2011-02-10 Smc Corp パッキン

Family Cites Families (14)

* 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 (enExample) * 1977-06-27 1979-07-13 Occident Ets
JPH0497165U (enExample) * 1991-01-22 1992-08-21
DE4137461C2 (de) * 1991-11-14 1994-06-16 Freudenberg Carl Fa Dichtungsanordnung für einen Separator
JP2537236Y2 (ja) * 1992-03-31 1997-05-28 エスエムシー株式会社 スプール弁
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
JP2008133920A (ja) * 2006-11-29 2008-06-12 Smc Corp 流体圧シリンダ
WO2008072738A1 (ja) * 2006-12-14 2008-06-19 Nok Corporation 密封装置及び密封装置の製造方法
JP2010014202A (ja) * 2008-07-03 2010-01-21 Nok Corp 密封装置
JP5636613B2 (ja) * 2010-05-19 2014-12-10 Smc株式会社 流体圧機器
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011027127A (ja) 2009-07-21 2011-02-10 Smc Corp パッキン

Also Published As

Publication number Publication date
TW201937084A (zh) 2019-09-16
EP3760881A1 (en) 2021-01-06
EP3760881A4 (en) 2021-11-17
JP6997977B2 (ja) 2022-01-18
WO2019167738A1 (ja) 2019-09-06
JP2019152233A (ja) 2019-09-12
RU2020131523A (ru) 2022-03-28
MX2020008846A (es) 2020-10-01
BR112020017504A2 (pt) 2020-12-22
CN111771064A (zh) 2020-10-13
US20210003152A1 (en) 2021-01-07

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Patent event date: 20200824

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