JPH0171239U - - Google Patents

Info

Publication number
JPH0171239U
JPH0171239U JP1987166585U JP16658587U JPH0171239U JP H0171239 U JPH0171239 U JP H0171239U JP 1987166585 U JP1987166585 U JP 1987166585U JP 16658587 U JP16658587 U JP 16658587U JP H0171239 U JPH0171239 U JP H0171239U
Authority
JP
Japan
Prior art keywords
oil
oil chamber
chamber
valve
piston rod
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
JP1987166585U
Other languages
Japanese (ja)
Other versions
JPH0522655Y2 (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 JP1987166585U priority Critical patent/JPH0522655Y2/ja
Publication of JPH0171239U publication Critical patent/JPH0171239U/ja
Application granted granted Critical
Publication of JPH0522655Y2 publication Critical patent/JPH0522655Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Fluid-Damping Devices (AREA)

Description

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

第１図は本考案の実施例を示すフリーロツクダ
ンパの断面図、第２図はバルブケースに形成する
長孔の平面図、第３図は従来例を示すフリーロツ
クダンパの断面図部である。 １……シリンダ、２……ピストンロツド、３…
…ピストン、６……チエツク弁、８……チエツク
弁、９……油通路、１１……ベアリング、１４…
…ダイヤル、１６……シヤツトバルブ、１６Ｂ…
…スプリング。 Fig. 1 is a cross-sectional view of a free-lock damper showing an embodiment of the present invention, Fig. 2 is a plan view of a long hole formed in a valve case, and Fig. 3 is a cross-sectional view of a free-lock damper showing a conventional example. . 1...Cylinder, 2...Piston rod, 3...
... Piston, 6 ... Check valve, 8 ... Check valve, 9 ... Oil passage, 11 ... Bearing, 14 ...
...Dial, 16...Shut valve, 16B...
…spring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] シリンダに挿入したピストンロツドの先端にピ
ストンを形成し、このピストンの侵入前方に形成
される油室Ａと後方に形成される油室Ｂとの間に
、油室Ａから油室Ｂへの作動油流出を許容するチ
エツク弁を設け、油室Ａに油溜室の作動油を還流
する別のチエツク弁を設け、ピストンの伸張側へ
の変位に伴い油室Ｂから流出する作動油を油溜室
へと導く油通路の途中であつてかつピストンロツ
ドを摺動自由に支持するベアリングの近傍にシヤ
ツトバルブを設けるとともに、外部からの手動操
作でこのシヤツトバルブを閉弁付勢するスプリン
グの張力を調整する開弁手段を備えたことを特徴
とするフリーロツクダンパ。 A piston is formed at the tip of the piston rod inserted into the cylinder, and between the oil chamber A formed in front of the piston and the oil chamber B formed in the rear, hydraulic oil is transferred from oil chamber A to oil chamber B. A check valve is provided to allow the oil to flow out, and another check valve is provided in the oil chamber A to recirculate the hydraulic oil in the oil sump chamber. A shut valve is installed in the middle of the oil passage leading to the piston rod and near the bearing that freely supports the piston rod, and the valve is opened manually to adjust the tension of the spring that biases the shut valve to close. A free lock damper characterized by being equipped with means.
JP1987166585U 1987-10-30 1987-10-30 Expired - Lifetime JPH0522655Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987166585U JPH0522655Y2 (en) 1987-10-30 1987-10-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987166585U JPH0522655Y2 (en) 1987-10-30 1987-10-30

Publications (2)

Publication Number Publication Date
JPH0171239U true JPH0171239U (en) 1989-05-12
JPH0522655Y2 JPH0522655Y2 (en) 1993-06-10

Family

ID=31454100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987166585U Expired - Lifetime JPH0522655Y2 (en) 1987-10-30 1987-10-30

Country Status (1)

Country Link
JP (1) JPH0522655Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4818941U (en) * 1971-07-13 1973-03-03
JPS50111482A (en) * 1973-08-20 1975-09-02
JPS56116937A (en) * 1980-02-20 1981-09-14 Tokico Ltd Gas spring equipped with locking mechanism

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4818941U (en) * 1971-07-13 1973-03-03
JPS50111482A (en) * 1973-08-20 1975-09-02
JPS56116937A (en) * 1980-02-20 1981-09-14 Tokico Ltd Gas spring equipped with locking mechanism

Also Published As

Publication number Publication date
JPH0522655Y2 (en) 1993-06-10

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