KR960011218A - 파일로트형 방향 전환밸브 - Google Patents

파일로트형 방향 전환밸브 Download PDF

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Publication number
KR960011218A
KR960011218A KR1019950031326A KR19950031326A KR960011218A KR 960011218 A KR960011218 A KR 960011218A KR 1019950031326 A KR1019950031326 A KR 1019950031326A KR 19950031326 A KR19950031326 A KR 19950031326A KR 960011218 A KR960011218 A KR 960011218A
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KR
South Korea
Prior art keywords
pilot
valve
amplification
main valve
main
Prior art date
Application number
KR1019950031326A
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English (en)
Other versions
KR100216970B1 (ko
Inventor
히데하루 사토오
Original Assignee
타카다 요시유키
에스엠씨이 카부시키가이샤
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Publication of KR960011218A publication Critical patent/KR960011218A/ko
Application granted granted Critical
Publication of KR100216970B1 publication Critical patent/KR100216970B1/ko

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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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/0857—Electrical connecting means, e.g. plugs, sockets
    • 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
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
    • 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
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • 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
    • F15B13/043—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 electrically-controlled pilot valves
    • F15B13/0431—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 electrically-controlled pilot valves the electrical control resulting in an on-off function
    • 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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0878—Assembly of modular units
    • F15B13/0885—Assembly of modular units using valves combined with other components
    • F15B13/0889—Valves combined with electrical components
    • 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
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86614—Electric

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Driven Valves (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

파일로트형 방향 전환밸브(1)를, 메인밸브부(2)와 파이로트유체에 의해 그 메인밸브부(2)를 전환하는 포펫트형 중압용 파일로트밸브(4)와 파일로트유체에 의해 그 메인밸브부(2)를 전환하는 포펫트형 중압용 파일로트 밸브(4)를 전환하는 전자파일로트밸브(3)로 구성하고, 중압용 파일로트밸브(4)를 전자파일로트밸브(3)보다 크고, 또 메인밸브부(2)에 대응한 용량으로 하므로써, 소형이고, 소비전력이 적은 전자파일로트밸브(3)를 사용해서 대용량의 메인밸브부(2)를 전환하도록 구성한다.

Description

파일로트형 방향 전환밸브
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1실시예의 구성을 표시하는 것으로, 메인밸브부의 상반부와 하반부에서의 다른 전환상태를 표시하는 종단면도이다,
제2도는 증폭용 파일로트밸브의 구성을 표시하는 것으로, 도면에서의 우측 절반과 좌측 절반에서의 다른 전환상태에 표시하는 종단면도이다,
제3도는 제1실시예의 구성을 도면기호를 사용하여 표시한 구성도이다,
제4도는 본 발명의 제2실시예의 구성을 표시하는 것으로, 메인밸브부의 상반부와 하반부, 전자파일로트밸브 및 증폭용 파일로트밸브의 좌측 절반부와 우측 절반부에서의 다른 전환상태를 표시하는 주요부의 종단면도이다.

Claims (4)

  1. 유체가 흐르는 복수의 포오트 및 이들 포오트 사이의 연통을 전환하는 밸브부재를 구비한 메인밸브부와, 그 메인밸브부의 파일로트실에 대해서 파일로트유체를 급배하므로써, 상기한 밸브부재를 전환하는 파일로트밸브부를 구비한 파일로트형 방향 전환밸브에 있어서, 상기한 파일로트밸브부를, 상기한 메일밸브부(2)의 파일로트실(14)에 대해서 파일로트유체를 급배하는 포펫형 증폭용 파일로트밸브(4)와, 그 증폭용 파일로트밸브(4)를 파일로트유체에 의해 전환하는 솔레노이드 구동의 전자파일로트밸브(3)로 구성하고, 상기한 증폭용 파일로트밸브(4)위 용량을, 상기한 전자파일로트밸브(3)보다 크고, 또, 메인밸브부(2)의 파일로트실(14)의 용량에 대응한 용량으로 한 것을 특징으로 하는 파일로트형 방향 전환밸브.
  2. 제1항에 있어서, 상기한 증폭용 파일로트밸브(4)가, 수동조작으로 파일로트유체를 메인밸브부(2)의 파일로트실(14)에 공급가능한 수동조작부를 구비한 것을 특징으로 하는 파일로트형 방향 전환밸브.
  3. 제2항에 있어서, 상기한 전자파일로트밸브(3)가 메인밸브부(2)의 상면에 부착됨과 아울러, 상기한 증폭용 파일로트밸브(4)가 메인밸브부(2)의 축 방향에서의 한쪽 끝면에, 상기한 수동조작부를 메인밸브부(2)의 상방으로 향해서 부착하고, 이들 전자파일로트밸브(3) 및 증폭용 파일로트밸브(4)가 메인밸브부(2)의 공급포오트(P)에, 그 공급포오트(P)로 분기하는 파일로트 공급유로를 통해서 각각 직접 접속된 것을 특징으로 하는 파일로트형 방향 전환밸브.
  4. 제2항에 있어서, 상기한 증폭용 파일로트밸브(4)가, 메인밸브부(2)의 축 방향에서의 한쪽 끝면에 상기한 수동조작부를 그 메인밸브부(2)의 상방으로 향해서 부착됨과 아울러, 상기한 전자파일로트밸브(3)가, 그 증폭용 파일로트밸브(4)에 있어서의 메인밸브부(2)와 반대측의 측단면에 부착되고, 상기한 전자파일로트밸브(3)에 대한 파일로트유체의 공급을, 상기한 메인밸브부(2)의 공급포오트(P)로부터 증폭용 파일로트밸브(4)를 통해서 행하도록 구성된 것을 특징으로 하는 파일로트형 방향 전환밸브.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950031326A 1994-09-22 1995-09-22 파일로트형 방향 전환 밸브 KR100216970B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP25468994 1994-09-22
JP94-254689 1994-09-22
JP94-335786 1994-12-21
JP33578694A JP3456776B2 (ja) 1994-09-22 1994-12-21 パイロット形方向切換弁

Publications (2)

Publication Number Publication Date
KR960011218A true KR960011218A (ko) 1996-04-20
KR100216970B1 KR100216970B1 (ko) 1999-09-01

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KR1019950031326A KR100216970B1 (ko) 1994-09-22 1995-09-22 파일로트형 방향 전환 밸브

Country Status (6)

Country Link
US (1) US5615710A (ko)
EP (1) EP0703369B1 (ko)
JP (1) JP3456776B2 (ko)
KR (1) KR100216970B1 (ko)
CN (1) CN1072324C (ko)
DE (1) DE69519499T2 (ko)

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JP5547578B2 (ja) * 2010-08-02 2014-07-16 Ｃｋｄ株式会社 電磁弁
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JP6203605B2 (ja) * 2013-11-07 2017-09-27 三菱重工業株式会社 スプールバルブ組立体、油圧機械及び発電装置
JP6376772B2 (ja) * 2014-02-27 2018-08-22 三菱重工業株式会社 切替ユニット、油圧機械及び発電装置
JP5938839B2 (ja) * 2014-02-10 2016-06-22 Smc株式会社 電磁パイロット式スプール弁
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Also Published As

Publication number Publication date
US5615710A (en) 1997-04-01
EP0703369B1 (en) 2000-11-29
CN1072324C (zh) 2001-10-03
DE69519499D1 (de) 2001-01-04
EP0703369A3 (en) 1997-09-24
DE69519499T2 (de) 2001-05-23
KR100216970B1 (ko) 1999-09-01
JP3456776B2 (ja) 2003-10-14
CN1126803A (zh) 1996-07-17
JPH08145230A (ja) 1996-06-07
EP0703369A2 (en) 1996-03-27

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