JPH02101179U - - Google Patents

Info

Publication number
JPH02101179U
JPH02101179U JP1989007659U JP765989U JPH02101179U JP H02101179 U JPH02101179 U JP H02101179U JP 1989007659 U JP1989007659 U JP 1989007659U JP 765989 U JP765989 U JP 765989U JP H02101179 U JPH02101179 U JP H02101179U
Authority
JP
Japan
Prior art keywords
oil
tank
oil supply
sub
valve
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
JP1989007659U
Other languages
English (en)
Other versions
JPH0716943Y2 (ja
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 JP1989007659U priority Critical patent/JPH0716943Y2/ja
Priority to US07/469,187 priority patent/US5022434A/en
Priority to KR1019900000956A priority patent/KR0155989B1/ko
Publication of JPH02101179U publication Critical patent/JPH02101179U/ja
Application granted granted Critical
Publication of JPH0716943Y2 publication Critical patent/JPH0716943Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/86702—With internal flow passage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87177—With bypass
    • Y10T137/87185—Controlled by supply or exhaust valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87233—Biased exhaust valve
    • Y10T137/87241—Biased closed

Description

【図面の簡単な説明】
第１図は本考案に係る方向制御弁の第１の実施
例を示す断面図、第２図は本考案に係る方向制御
弁の第２の実施例を示す断面図、第３図は本考案
に係る方向制御弁の第３の実施例を示す断面図、
第４図ａは従来の再生回路を備えたハイドレコ型
方向制御弁の断面図、第４図ｂは従来の再生回路
を備えたハスコ型方向制御弁の断面図、第５図ａ
は方向制御弁の外部に逆止弁付絞り装置を備えて
排油絞り機能を持たせた従来の方向制御弁の説明
図、第５図ｂは方向制御弁のスプールにメータリ
ングノツチを設けて排油絞り機能を持たせた従来
の方向制御弁の説明図である。 １０…ケーシング、１２…スプール、１４，１
６…給排油路、１７，１９…給排油ポート、１８
…供給油路、２０，２２…タンク油路、２３…タ
ンク、２４，２６…バイパス通路、２７，３０…
チエツク弁、２８…サブタンク室、３２…背圧弁
、３４，３６…アクチユエータ保護機能保護部材
、３８…再生チエツク弁、４０…絞り弁、４２…
絞り開口孔、７０…シリンダ、７０ａ…ヘツド側
室、７０ｂ…ロツド側室、７１…ピストン。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) ケーシング内に一対の給排油路と、この給
    排油路の内側に設けられた供給油路と、前記給排
    油路の外側に設けられたタンク油路と、前記各油
    路を開閉するスプールとからなり、このスプール
    の動きに応じて前記給排油路に接続された給排油
    口から流体を給排する方向制御弁において、 前記一対の給排油路の一方の油路とタンク油路
    との間にサブタンク室を設け、前記スプールを給
    排油口側から排油口側に切換え操作した際、排油
    が前記サブタンク室から給排油路に通油するよう
    構成することを特徴とする方向制御弁。 (2) 前記一対の給排油路の一方の油路とタンク
    油路との間にサブタンク室を設け、前記スプール
    近傍にサブタンク室に連通する弁体を設けてなり
    、この弁体は、その一端にタンク側に連通する背
    圧弁を設けると共に、他端に前記スプールを給排
    油口側から排油口側に切換え操作した際排油が前
    記サブタンク室から給排油路に通油するチエツク
    弁を設けるよう構成してなる請求項１記載の方向
    制御弁。 (3) 前記一対の給排油路の一方の油路とタンク
    油路との間にサブタンク室を設け、前記スプール
    の一端内部にチエツク弁を設けると共に、前記サ
    ブタンク室にタンク側に連通する背圧弁を設け、
    前記スプールを給排油口側から排油口側に切換え
    操作した際、排油の一部がサブタンク室から前記
    背圧弁を介して前記一対の給排油路の他方の油路
    に流出するよう構成することを特徴とする請求項
    １記載の方向制御弁。 (4) 前記一対の給排油路の一方の油路とタンク
    油路との間にサブタンク室を設け、前記サブタン
    ク室にタンク側に連通する絞り弁を設けてなる請
    求項１記載の方向制御弁。
JP1989007659U 1989-01-27 1989-01-27 方向制御弁 Expired - Lifetime JPH0716943Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1989007659U JPH0716943Y2 (ja) 1989-01-27 1989-01-27 方向制御弁
US07/469,187 US5022434A (en) 1989-01-27 1990-01-24 Directional control valve
KR1019900000956A KR0155989B1 (ko) 1989-01-27 1990-01-29 방향제어밸브

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989007659U JPH0716943Y2 (ja) 1989-01-27 1989-01-27 方向制御弁

Publications (2)

Publication Number Publication Date
JPH02101179U true JPH02101179U (ja) 1990-08-13
JPH0716943Y2 JPH0716943Y2 (ja) 1995-04-19

Family

ID=11671944

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989007659U Expired - Lifetime JPH0716943Y2 (ja) 1989-01-27 1989-01-27 方向制御弁

Country Status (3)

Country Link
US (1) US5022434A (ja)
JP (1) JPH0716943Y2 (ja)
KR (1) KR0155989B1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003521652A (ja) * 2000-02-04 2003-07-15 オー ウント カー オーレンスタイン ウント コツペル アクチエンゲゼルシヤフト 特に作業機械の昇降シリンダを制御するための方法及び装置
WO2014027621A1 (ja) * 2012-08-15 2014-02-20 カヤバ工業株式会社 切換弁

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69112544T2 (de) * 1990-03-05 1996-02-08 Komatsu Zenoa Kk Hydraulisches betätigungsventil.
JP3549126B2 (ja) * 1994-08-05 2004-08-04 株式会社小松製作所 方向制御弁
KR960011173A (ko) * 1994-09-30 1996-04-20 김무 유압모터의 캐비테이션 방지장치
JPH08114202A (ja) * 1994-09-30 1996-05-07 Samsung Heavy Ind Co Ltd ホールディングチェックコントロールバルブ
SE9501794L (sv) * 1995-05-15 1996-08-19 Nordwin Ab Hydraulisk riktningsventil
EP0907831A1 (de) * 1996-07-05 1999-04-14 Parker Hannifin GmbH Steuereinrichtung für einen einseitig arbeitenden arbeitszylinder
DE19727881A1 (de) * 1997-06-30 1999-01-07 Rexroth Mannesmann Gmbh Hydraulisches Wegeventil mit Druckkompensation nach dem Mengenteilerprinzip
DE10325296A1 (de) * 2003-06-04 2004-12-23 Bosch Rexroth Ag Hydraulische Steueranordnung
DE102006012030A1 (de) * 2006-03-14 2007-09-20 Robert Bosch Gmbh Hydraulische Ventilanordnung
KR101506744B1 (ko) * 2008-12-24 2015-03-30 두산인프라코어 주식회사 건설기계의 재생밸브 조립체
KR100910387B1 (ko) * 2009-02-04 2009-08-04 이텍산업 주식회사 제설날 지면접촉 과부하 방지장치
KR100912597B1 (ko) * 2009-05-13 2009-08-19 신우공업 주식회사 유체제어밸브의 병렬식 복합제어 밸브바디
US9273664B2 (en) * 2011-02-18 2016-03-01 Parker Hannifin Corporation Hydraulic control valve for a one-sided operating differential cylinder having five control edges

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4882433A (ja) * 1972-01-14 1973-11-05
JPS62224776A (ja) * 1986-01-17 1987-10-02 レクスロ−ス　シグマ　エス．ア−． 液圧スプ−ル弁
JPH02134401A (ja) * 1988-11-10 1990-05-23 Diesel Kiki Co Ltd 油圧制御装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448557A (en) * 1946-10-21 1948-09-07 Hydraulic Control Engineering Control valve with operating position hold
US2651324A (en) * 1949-11-01 1953-09-08 New York Air Brake Co Multiple control valve
US2949097A (en) * 1957-12-11 1960-08-16 New York Air Brake Co Five position control valve having power float position
US2916050A (en) * 1958-09-17 1959-12-08 New York Air Brake Co Four position control valve having a float position
US2980136A (en) * 1959-06-25 1961-04-18 Cessna Aircraft Co Hydraulic flow control system and valve with anti-cavitation feature

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4882433A (ja) * 1972-01-14 1973-11-05
JPS62224776A (ja) * 1986-01-17 1987-10-02 レクスロ−ス　シグマ　エス．ア−． 液圧スプ−ル弁
JPH02134401A (ja) * 1988-11-10 1990-05-23 Diesel Kiki Co Ltd 油圧制御装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003521652A (ja) * 2000-02-04 2003-07-15 オー ウント カー オーレンスタイン ウント コツペル アクチエンゲゼルシヤフト 特に作業機械の昇降シリンダを制御するための方法及び装置
JP4652655B2 (ja) * 2000-02-04 2011-03-16 ツェーエヌハー・バウマシイネン・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 作業機械の昇降シリンダを制御するための方法及び装置
WO2014027621A1 (ja) * 2012-08-15 2014-02-20 カヤバ工業株式会社 切換弁
JP2014037862A (ja) * 2012-08-15 2014-02-27 Kayaba Ind Co Ltd 切換弁
US20150167699A1 (en) * 2012-08-15 2015-06-18 Kayaba Industry Co., Ltd. Switching valve
US9810243B2 (en) * 2012-08-15 2017-11-07 Kyb Corporation Switching valve

Also Published As

Publication number Publication date
KR0155989B1 (ko) 1999-02-18
KR900012028A (ko) 1990-08-02
US5022434A (en) 1991-06-11
JPH0716943Y2 (ja) 1995-04-19

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term