RU2020131523A - Уплотнительная конструкция в гидравлическом цилиндре и гидравлический цилиндр - Google Patents

Уплотнительная конструкция в гидравлическом цилиндре и гидравлический цилиндр Download PDF

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Publication number
RU2020131523A
RU2020131523A RU2020131523A RU2020131523A RU2020131523A RU 2020131523 A RU2020131523 A RU 2020131523A RU 2020131523 A RU2020131523 A RU 2020131523A RU 2020131523 A RU2020131523 A RU 2020131523A RU 2020131523 A RU2020131523 A RU 2020131523A
Authority
RU
Russia
Prior art keywords
seal
sliding surface
sealing structure
axial direction
structure according
Prior art date
Application number
RU2020131523A
Other languages
English (en)
Russian (ru)
Inventor
Масаюки КУДО
Кенити ТАКЕДА
Масахико КАВАКАМИ
Кен ТАМУРА
Цукаса ОДАКА
Original Assignee
ЭсЭмСи КОРПОРЕЙШН
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 ЭсЭмСи КОРПОРЕЙШН filed Critical ЭсЭмСи КОРПОРЕЙШН
Publication of RU2020131523A publication Critical patent/RU2020131523A/ru

Links

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)
RU2020131523A 2018-02-28 2019-02-20 Уплотнительная конструкция в гидравлическом цилиндре и гидравлический цилиндр RU2020131523A (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018-035914 2018-02-28
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
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
RU2020131523A true RU2020131523A (ru) 2022-03-28

Family

ID=67806147

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2020131523A RU2020131523A (ru) 2018-02-28 2019-02-20 Уплотнительная конструкция в гидравлическом цилиндре и гидравлический цилиндр

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 (6)

* 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
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
WO2026107369A1 (en) * 2024-11-14 2026-05-21 Milwaukee Electric Tool Corporation Hydraulic power tool with piston seals

Family Cites Families (15)

* 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
JP5157914B2 (ja) * 2006-12-14 2013-03-06 Ｎｏｋ株式会社 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
JP5360569B2 (ja) * 2009-07-21 2013-12-04 Ｓｍｃ株式会社 パッキン
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

Also Published As

Publication number Publication date
WO2019167738A1 (ja) 2019-09-06
US20210003152A1 (en) 2021-01-07
EP3760881A4 (en) 2021-11-17
KR20200124232A (ko) 2020-11-02
JP2019152233A (ja) 2019-09-12
MX2020008846A (es) 2020-10-01
BR112020017504A2 (pt) 2020-12-22
JP6997977B2 (ja) 2022-01-18
TW201937084A (zh) 2019-09-16
CN111771064A (zh) 2020-10-13
EP3760881A1 (en) 2021-01-06

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