KR920700372A - 파이롯트 밸브 - Google Patents

파이롯트 밸브

Info

Publication number
KR920700372A
KR920700372A KR1019900702687A KR900702687A KR920700372A KR 920700372 A KR920700372 A KR 920700372A KR 1019900702687 A KR1019900702687 A KR 1019900702687A KR 900702687 A KR900702687 A KR 900702687A KR 920700372 A KR920700372 A KR 920700372A
Authority
KR
South Korea
Prior art keywords
valve body
piston
lever
pilot valve
disk
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.)
Abandoned
Application number
KR1019900702687A
Other languages
English (en)
Inventor
슈지 호리
타다오 가라가마
쥰 마루야미
Original Assignee
가타다 데츄야
가부시기가이샤 고마쯔 세이사쿠쇼
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
Priority claimed from JP1989049485U external-priority patent/JP2528854Y2/ja
Priority claimed from JP4948689U external-priority patent/JPH02140005U/ja
Application filed by 가타다 데츄야, 가부시기가이샤 고마쯔 세이사쿠쇼 filed Critical 가타다 데츄야
Publication of KR920700372A publication Critical patent/KR920700372A/ko
Abandoned 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
    • F16K11/14—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle
    • F16K11/16—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle which only slides, or only turns, or only swings in one plane
    • F16K11/168—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by one actuating member, e.g. a handle which only slides, or only turns, or only swings in one plane only swings
    • 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
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
    • 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
    • Y10T137/87056—With selective motion for plural valve actuator
    • Y10T137/87072—Rotation about either of two pivotal axes
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20201—Control moves in two planes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)

Abstract

내용 없음

Description

파이롯트 밸브
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명의 파이롯트 밸브의 제1구체예를 나타낸 개략단면도,
제3도는 제2도의 구체예에 따른 레버설치축과 밸브본체와의 조인트부를 나타낸 분해사시도,
제4도는 본 발명의 제2구체예를 나타낸 개략단면도.

Claims (7)

  1. 밸브본체내에 형성된 유입폿트와 유출폿트를 차단/연통시키도록, 상기 밸브본체내에 습동 가능하게 설치한 4개의 스푸울과, 이들 수푸울을 각각 습동시키도록 상기 밸브본체내에 습동가능하게 설치한 4개의 피스톤과, 그리고 레버설치축의 하부로 설치되고 상기 각 피스톤의 각 선단과 접촉하는 하면을 갖는 디스크를 갖고서, 상기 레버가 전후, 좌우로 이동된때에 상기 디스크 및 상기 각 피스톤의 어느하나를 통해 해당피스톤에 대응하는 스푸울이 연통위치로 되는 파이롯트밸브에 있어서, 상기 디스크가 그 하부 중앙으로 향하는 개구부를 갖도록 형성한 구형 오목부를 가짐과 함께, 해당 디스크의 구형 오목부에 끼워져 볼조인트를 형성하도록 상기 밸브 본체가 그 상부중앙을 향하는 구형돌기를 갖고, 그리고 상기 레버설치축이 레버조작시에 그 자체의 축심을 중심으로한 회전운동을 일으키지 않도록 그 선단이 상기 구형돌기와 협동하는 회전운동 저지수단을 갖도록 한 것을 특징으로 하는 파이롯트 밸브.
  2. 제1항에 있어서, 상기 회전운동 저지수단이, 상기 레버설치축의 선단에 형성된 회전방지부재와, 해당 회전방지부재가 밀착 끼워지도록 상기 구형돌기의 중앙부로 개방부가 상방을 향하도록 형성한 회전방지 오목부로서 구성한 것을 특징으로 하는 파이롯트밸브.
  3. 제2항에 있어서, 상기 회전방지부재가 축심방향으로 중앙부가 활모양으로 휘어진 원고형상을 가지며, 횡방향으로 평면인 면을 6개 구비한 육면체 형상이고, 상기 회전방지 오목부가 횡단면에서 유각형상인 것을 특징으로 하는 파이롯트 밸브.
  4. 제1항에 있어서, 상기 각 피스톤의 선단이 상기 디스크에 접속하여 중립자세로 유지되도록 상기 각 피스톤의 기단부에 설치된 각 리테이너와 상기 밸브본체와의 사이로 설치된 주스프링과, 그리고 레버조작시에 해당레버의 조작 스트로크를 규제하도록 상기 디스크의 외주부 및 해당 외주부에 대응하는 밸브본체측의 적정위치로 각각 설치된 스톱퍼 수단을 갖도록 한 것을 특징으로 하는 파이롯트 밸브.
  5. 제4항에 있어서, 상기 스톱퍼수단이, 상기 디스크의 외주부에 형성된 스톱퍼 리시버와, 상기 밸브본체의 상부 설치판의 상면에 형성된 스톱퍼 부재로서 구성한 것을 특징으로 하는 파이롯트 밸브.
  6. 밸브본체내에 형성된 유입폿트와 유출폿트를 차단/연통시키도록, 상기 밸브본체내에 습동가능하게 설치한 4개의 수푸울과, 이들 스푸울을 각각 습동시키도록 상기 밸브본체내에 습동가능하게 설치한 4개의 피스톤과, 그리고 레버하부에 설치되고 상기 각 피스톤의 각 선단과 접촉하는 하면을 갖는 디스크를 갖고서, 상기 레버가 전후, 좌우로 이동된때에 상기 디스크 및 상기 각 피스톤의 어느하나를 통해 해당 피스톤에 대응하는 스푸울이 연통위치로 되는 파이롯트 밸브에 있어서, 상기 각 피스톤의 선단이 상기 디스크에 접속하여 중립자세로 유지되도록 상기 각 피스톤의 기단부에 설치된 주스프링과, 그리고 레버조작시에 해당레버의 조작 스트로크를 유지하도록 상기 디스크의 외주부 및 해당 외주부에 대응하는 밸브본체축의 적정위치로 각각 설치된 스톱퍼 수단을 갖는 것을 특징으로 하는 파이롯트 밸브.
  7. 제6항에 있어서, 상기 스톱퍼수단이, 상기 디스크의 외주부에 형성된 스톱퍼 리시버와, 상기 밸브본체의 상부 설치판의 상면에 형성된 스톱퍼 부재로서 이루어진 것을 특징으로 하는 파이롯트 밸브.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900702687A 1989-04-28 1990-04-25 파이롯트 밸브 Abandoned KR920700372A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP1-49486 1989-04-28
JP1-49485 1989-04-28
JP1989049485U JP2528854Y2 (ja) 1989-04-28 1989-04-28 パイロット弁
JP4948689U JPH02140005U (ko) 1989-04-28 1989-04-28
PCT/JP1990/000541 WO1990013766A1 (fr) 1989-04-28 1990-04-25 Soupape pilote

Publications (1)

Publication Number Publication Date
KR920700372A true KR920700372A (ko) 1992-02-19

Family

ID=26389886

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900702687A Abandoned KR920700372A (ko) 1989-04-28 1990-04-25 파이롯트 밸브

Country Status (5)

Country Link
US (1) US5184646A (ko)
EP (1) EP0432270B1 (ko)
KR (1) KR920700372A (ko)
DE (1) DE69012294T2 (ko)
WO (1) WO1990013766A1 (ko)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285861A (en) * 1992-08-27 1994-02-15 Kabushiki Kaisha Komatsu Seisakusho Steering device of crawler type vehicle
US5558127A (en) * 1992-10-09 1996-09-24 Kabushiki Kaisha Komatsu Seisakusho Hydraulic pilot valve
JPH0685449U (ja) * 1993-05-24 1994-12-06 株式会社小松製作所 排土板制御装置
US5576704A (en) * 1994-12-01 1996-11-19 Caterpillar Inc. Capacitive joystick apparatus
JPH08159331A (ja) * 1994-12-08 1996-06-21 Komatsu Ltd 油圧パイロット弁
US5868230A (en) * 1996-05-28 1999-02-09 Komatsu America International Company Hydraulic motion control valve and lever
FR2765359B1 (fr) * 1997-06-30 1999-09-10 Mannesmann Rexroth Sa Dispositif de telecommande a actionnement manuel, notamment manipulateur hydraulique
US5857492A (en) 1998-03-20 1999-01-12 Husco International, Inc. Electromagnetic friction lock for a dual axis control devices
DE19844860A1 (de) 1998-09-30 2000-04-06 Mannesmann Rexroth Ag Handbetätigtes Steuergerät, insbesondere zur hydraulischen Betätigung von hydraulischen Ventilen
US6389922B1 (en) 2000-02-14 2002-05-21 Clark Equipment Company Control for drive motors for a self-propelled machine
US6305419B1 (en) 2000-07-14 2001-10-23 Clark Equipment Company Variable pilot pressure control for pilot valves
US6644335B2 (en) 2000-12-15 2003-11-11 Caterpillar S.A.R.L. Precision orificing for pilot operated control valves
JP4731740B2 (ja) * 2001-06-22 2011-07-27 株式会社小松製作所 モノレバー操作装置
FR2970350B1 (fr) * 2011-01-07 2013-11-01 Bosch Rexroth Dsi Sas Dispositif de regulation de pression avec detection de la position neutre

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958233A (en) * 1957-11-27 1960-11-01 Thew Shovel Co Valve indexing mechanism
FR2237076A1 (en) * 1973-05-02 1975-02-07 Rexroth Sigma Hydraulic distributor valve for remote control - selects required outlet and controls delivery press. in outlet pipe
JPS5037924A (ko) * 1973-08-09 1975-04-09
US4034574A (en) * 1975-11-04 1977-07-12 Frank A. Klaus Universal ball and socket swivel joint
JPS5855466Y2 (ja) * 1979-01-23 1983-12-19 株式会社小松製作所 操作レバ装置
US4296773A (en) * 1979-02-12 1981-10-27 Walter Kidde & Company, Inc. Hydraulic selector valve having joy stick control
US4445541A (en) * 1981-07-06 1984-05-01 Dana Corporation Hydraulic remote control joystick
JPS60122071A (ja) * 1983-12-05 1985-06-29 Mazda Motor Corp 塗装用ロボットの色替装置
JPS60122071U (ja) * 1984-01-27 1985-08-17 三菱重工業株式会社 リモコン弁
US4777981A (en) * 1987-05-18 1988-10-18 Commercial Shearing, Inc. Magnetic detent joy stick and stack remote control valves
EP0531964B1 (en) * 1991-09-10 1999-02-24 Takeda Chemical Industries, Ltd. Divisible tablet

Also Published As

Publication number Publication date
EP0432270A4 (en) 1991-09-25
EP0432270B1 (en) 1994-09-07
WO1990013766A1 (fr) 1990-11-15
US5184646A (en) 1993-02-09
EP0432270A1 (en) 1991-06-19
DE69012294T2 (de) 1995-05-04
DE69012294D1 (de) 1994-10-13

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Patent event date: 19901227

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