JPH01169634U - - Google Patents

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Publication number
JPH01169634U
JPH01169634U JP6759588U JP6759588U JPH01169634U JP H01169634 U JPH01169634 U JP H01169634U JP 6759588 U JP6759588 U JP 6759588U JP 6759588 U JP6759588 U JP 6759588U JP H01169634 U JPH01169634 U JP H01169634U
Authority
JP
Japan
Prior art keywords
valve
piston
valve seat
bypass
sub
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.)
Granted
Application number
JP6759588U
Other languages
Japanese (ja)
Other versions
JPH0613391Y2 (en
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 filed Critical
Priority to JP1988067595U priority Critical patent/JPH0613391Y2/en
Publication of JPH01169634U publication Critical patent/JPH01169634U/ja
Application granted granted Critical
Publication of JPH0613391Y2 publication Critical patent/JPH0613391Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Fluid-Damping Devices (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例に係る油圧緩衝器の
一部縦断面図、第２図はバルブシートの横断面図
、第３図はバルブシートの一部縦断面図、第４図
は従来の油圧緩衝器の縦断面図である。 １１……シリンダ、１２……ピストン、１３…
…ピストンロツド、１４，１５……油室、１６…
…ポート、１８……メインバルブ、２０ａ，２０
，２０ｂ，２６ａ，２６ｂ……バイパス、２５…
…サブバルブ、３５……バルブシート。 Fig. 1 is a partial longitudinal cross-sectional view of a hydraulic shock absorber according to an embodiment of the present invention, Fig. 2 is a cross-sectional view of a valve seat, Fig. 3 is a partial vertical cross-sectional view of a valve seat, and Fig. 4 is a partial longitudinal cross-sectional view of a hydraulic shock absorber according to an embodiment of the present invention. FIG. 2 is a longitudinal cross-sectional view of a conventional hydraulic shock absorber. 11...Cylinder, 12...Piston, 13...
...Piston rod, 14, 15...Oil chamber, 16...
...Port, 18...Main valve, 20a, 20
, 20b, 26a, 26b... bypass, 25...
...Sub valve, 35...Valve seat.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダ内にピストンを介してピストンロツド
が移動自在に挿入され、ピストンはシリンダ内に
上下二つの油室を区画し、ピストンには二つの油
室を連通するポートを設け、このポートの下部口
端にメインバルブを開閉自在に設け、他方二つの
油室を連通するバイパスを設け、このバイパスの
下流側端部にサブバルブを開閉自在に設けた油圧
緩衝器に於て、ピストンロツドにバルブシートを
設け、このバルブシートとピストンとの間にメイ
ンバルブとサブバルブを直列に設け、更にバルブ
シートの端面に複数のリブを形成し、各リブの間
にバイパスと下部油室を連通する通路を形成し、
サブバルブが前記リブに支持されながらバルブシ
ートの通路を開閉することを特徴とする油圧緩衝
器。 A piston rod is movably inserted into the cylinder via a piston, and the piston divides the cylinder into two upper and lower oil chambers.The piston is provided with a port that communicates the two oil chambers, and the lower mouth end of this port is In a hydraulic shock absorber, a main valve is provided so that it can be opened and closed, a bypass is provided that communicates the other two oil chambers, and a sub valve is provided at the downstream end of this bypass, and a valve seat is provided on the piston rod. A main valve and a sub-valve are provided in series between the valve seat and the piston, and a plurality of ribs are formed on the end face of the valve seat, and a passage connecting the bypass and the lower oil chamber is formed between each rib,
A hydraulic shock absorber characterized in that a sub-valve opens and closes a passage of a valve seat while being supported by the rib.
JP1988067595U 1988-05-23 1988-05-23 Hydraulic shock absorber Expired - Lifetime JPH0613391Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988067595U JPH0613391Y2 (en) 1988-05-23 1988-05-23 Hydraulic shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988067595U JPH0613391Y2 (en) 1988-05-23 1988-05-23 Hydraulic shock absorber

Publications (2)

Publication Number Publication Date
JPH01169634U true JPH01169634U (en) 1989-11-30
JPH0613391Y2 JPH0613391Y2 (en) 1994-04-06

Family

ID=31292961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988067595U Expired - Lifetime JPH0613391Y2 (en) 1988-05-23 1988-05-23 Hydraulic shock absorber

Country Status (1)

Country Link
JP (1) JPH0613391Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4709434B2 (en) * 2001-07-05 2011-06-22 株式会社ショーワ Damping force adjustment device for hydraulic shock absorber

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56122845U (en) * 1980-02-19 1981-09-18
JPS6334338A (en) * 1986-07-25 1988-02-15 Kayaba Ind Co Ltd Damping force generating device for shock absorber

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56122845U (en) * 1980-02-19 1981-09-18
JPS6334338A (en) * 1986-07-25 1988-02-15 Kayaba Ind Co Ltd Damping force generating device for shock absorber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4709434B2 (en) * 2001-07-05 2011-06-22 株式会社ショーワ Damping force adjustment device for hydraulic shock absorber

Also Published As

Publication number Publication date
JPH0613391Y2 (en) 1994-04-06

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