JPS56116940A - Damping-force generating mechanism of hydraulic buffer - Google Patents

Damping-force generating mechanism of hydraulic buffer

Info

Publication number
JPS56116940A
JPS56116940A JP2001080A JP2001080A JPS56116940A JP S56116940 A JPS56116940 A JP S56116940A JP 2001080 A JP2001080 A JP 2001080A JP 2001080 A JP2001080 A JP 2001080A JP S56116940 A JPS56116940 A JP S56116940A
Authority
JP
Japan
Prior art keywords
oil chamber
piston
damping
valve
relative speed
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
JP2001080A
Other languages
Japanese (ja)
Inventor
Ieaki Miura
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.)
Tokico Ltd
Original Assignee
Tokico Ltd
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 Tokico Ltd filed Critical Tokico Ltd
Priority to JP2001080A priority Critical patent/JPS56116940A/en
Publication of JPS56116940A publication Critical patent/JPS56116940A/en
Pending legal-status Critical Current

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
    • 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
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/348—Throttling passages in the form of annular discs or other plate-like elements which may or may not have a spring action, operating in opposite directions or singly, e.g. annular discs positioned on top of the valve or piston body

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

PURPOSE:To obtain a sufficient damping-force even for a large relative speed by determining the damping-force characteristic in case of a small relative speed of a piston according to the variable orifice whose opening area becomes small when the relative speed of the piston becomes large. CONSTITUTION:When a piston 2 lowers, an oil chamber B is compressed, while an oil chamber A is expanded, a retainer 16 and a disc valve 17 are displaced integrally upward against a spring 22, due to the pressure difference between A and B, and the valve 17 is separated from a valve seat 2a. Therefore, the oil in the oil chamber B flows into the oil chamber A without resistance, passing through an oil port 18 having a large opening area, and between a disc valve 17 and the valve seat 2a. When the piston 2 goes up for a pressure cylinder, the oil chamber A is compressed, and the oil chamber B is expanded, so that retainer 16 and the valve 17 make sliding motion with each other in response to the magnitude of the relative speed between the cylinder 1 and the piston 2, and thus a damping-force can be obtained.
JP2001080A 1980-02-20 1980-02-20 Damping-force generating mechanism of hydraulic buffer Pending JPS56116940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001080A JPS56116940A (en) 1980-02-20 1980-02-20 Damping-force generating mechanism of hydraulic buffer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001080A JPS56116940A (en) 1980-02-20 1980-02-20 Damping-force generating mechanism of hydraulic buffer

Publications (1)

Publication Number Publication Date
JPS56116940A true JPS56116940A (en) 1981-09-14

Family

ID=12015138

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001080A Pending JPS56116940A (en) 1980-02-20 1980-02-20 Damping-force generating mechanism of hydraulic buffer

Country Status (1)

Country Link
JP (1) JPS56116940A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133844A (en) * 1983-01-20 1984-08-01 Tokico Ltd Hydraulic shock absorber
JPS6157243U (en) * 1984-09-20 1986-04-17
JPS6222341U (en) * 1985-07-26 1987-02-10
JP2019173800A (en) * 2018-03-27 2019-10-10 日立オートモティブシステムズ株式会社 Cylinder device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133844A (en) * 1983-01-20 1984-08-01 Tokico Ltd Hydraulic shock absorber
JPH0440570B2 (en) * 1983-01-20 1992-07-03 Tokico Ltd
JPS6157243U (en) * 1984-09-20 1986-04-17
JPH0320594Y2 (en) * 1984-09-20 1991-05-02
JPS6222341U (en) * 1985-07-26 1987-02-10
JP2019173800A (en) * 2018-03-27 2019-10-10 日立オートモティブシステムズ株式会社 Cylinder device

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