KR960011213A - Holding Check Control Valve - Google Patents

Holding Check Control Valve Download PDF

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Publication number
KR960011213A
KR960011213A KR1019940025346A KR19940025346A KR960011213A KR 960011213 A KR960011213 A KR 960011213A KR 1019940025346 A KR1019940025346 A KR 1019940025346A KR 19940025346 A KR19940025346 A KR 19940025346A KR 960011213 A KR960011213 A KR 960011213A
Authority
KR
South Korea
Prior art keywords
plunger
valve
pressure
chamber
flow path
Prior art date
Application number
KR1019940025346A
Other languages
Korean (ko)
Inventor
조형준
Original Assignee
김무
삼성중공업 주식회사
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 by 김무, 삼성중공업 주식회사 filed Critical 김무
Priority to KR1019940025346A priority Critical patent/KR960011213A/en
Priority to US08/497,513 priority patent/US5540258A/en
Priority to JP18836995A priority patent/JPH08114202A/en
Priority to DE1995630071 priority patent/DE708251T1/en
Priority to EP19950630071 priority patent/EP0708251A1/en
Priority to CN95108978A priority patent/CN1120642A/en
Publication of KR960011213A publication Critical patent/KR960011213A/en

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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
    • F15B13/027—Check valves
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
    • E02F9/2267—Valves or distributors
    • 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
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • F15B13/015—Locking-valves or other detent i.e. load-holding devices using an enclosed pilot flow valve
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
    • F16K15/066—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring with a plurality of valve members
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/40—Special vehicles
    • B60Y2200/41—Construction vehicles, e.g. graders, excavators

Abstract

본 발명은 중장비등의 유압장치에 사용되는 홀딩 체크 콘트롤밸브에 관한 것이다. 본 발명에 의한 홀딩 체크 콘트롤밸브는, 메인밸브와 메인밸브의 리턴유량을 제어하는 보조밸브를 구비한 홀딩 체크 콘트롤밸브에 있어서, 메이밸브의 엑츄에이터 유로 중에 설치된 체크밸브와, 보조밸브내에 소정 간격을 두고 설치되는 제1 및 제2시팅부와, 제1 및 제2시팅부사이에 형성되며 메인밸브의 스프링실과 연통되는 유압실과, 제1 및 제2시팅부에 의해 관통지지되며 복동가능하도록 설치되는 플런저와, 플런더의 일측을 소정의 설정압력으로 탄성 바이어스하는 압력설정스프링과, 플런저의 타측에 소정의 압력을 가하여 플런저를 이동시키기 위한 수단과, 상기 유압실의 배출유로와 상기 압력설정스프링의 스프링실의 배출유로를 서로 연통시키는 유로를 구비한다.The present invention relates to a holding check control valve used in a hydraulic device such as heavy equipment. The holding check control valve according to the present invention is a holding check control valve including a main valve and an auxiliary valve for controlling a return flow rate of the main valve, the check valve provided in an actuator flow path of a main valve and a predetermined interval within the auxiliary valve. A plunger which is formed between the first and second seating portions, the first and second seating portions, the hydraulic chamber communicating with the spring chamber of the main valve, and which are penetrated by the first and second seating portions. A pressure setting spring for elastically biasing one side of the plunger to a predetermined set pressure, a means for moving the plunger by applying a predetermined pressure to the other side of the plunger, a discharge passage of the hydraulic chamber and a spring of the pressure setting spring A flow path for communicating the discharge flow path of the seal with each other is provided.

Description

홀딩 체크 콘트롤밸브Holding Check Control Valve

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 종래의 홀딩 체크 콘트롤밸브를 나타내는 부분 단면도로써, (가)부분은 메인밸브를 나타내고, (나)부분은 보조밸브를 나타낸다,1 is a partial cross-sectional view showing a conventional holding check control valve, (a) shows the main valve, (b) shows the auxiliary valve,

제2도는 본 발명의 일실시예에 의한 홀딩 체크 콘트롤밸브를 나타내는 부분 단면도로써, (가)부분은 메인밸브를 나타내고, (나)부분은 보조밸브를 나타낸다,2 is a partial cross-sectional view showing a holding check control valve according to an embodiment of the present invention, where (a) represents the main valve, (b) represents the auxiliary valve,

제3도는 제2도 중, 플런저의 형상과 유압실내의 유압력의 작용관계를 나타낸다.FIG. 3 shows the relationship between the shape of the plunger and the hydraulic force in the hydraulic chamber in FIG. 2.

Claims (5)

메인밸브와 메인밸브의 리턴유량을 제어하는 보조밸브를 구비한 홀딩 체크 콘트롤밸브에 있어서: 상기 메인밸브의 엑츄에이터 유로 중에 설치된 체크밸브, 상기 체크밸브는 상기 엑츄에이터 유로내의 압력과 상기 체크밸브의 스프링실내의 압력 차이에 의해 이동됨에 따라 상기 엑츄에이터 유로를 개방 및 폐쇄 절환하여 상기 엑츄에이터 유로내의 리턴오일을 리턴유로를 통해 리턴시킴; 상기 보조밸브내에 소정 간격을 두고 설치되는 제1 및 제2시팅부; 상기 제1 및 제2시팅부사이에 형성되며 상기 메인밸브의 스프링실과 연통되는 유압실; 상기 제1 및 제2시팅부에 의해 관통지지되며 복동가능하도록 설치되는 플런저; 상기 플런저의 일측을 소정의 설정압력으로 탄성바이어스하는 압력설정스프링; 상기 플런저의 타측에 소정의 압력을 가하여 상기 플런저를 이동시키기 위한 수단, 상기 소정의 압력을 가함에 따라 상기 플런저가 이동되면 상기 플런저가 상기 유압실의 일측을 개방하여 상기 스프링실내에 있던 오일을 배출시킴; 및 상기 유압실의 배출유로와 상기 압력설정스프링의 스프링실의 배출유로를 서로 연통시키는 유로를 구비한 홀딩 체크 콘트롤밸브.A holding check control valve having a main valve and an auxiliary valve for controlling the return flow rate of the main valve, the check valve provided in an actuator flow path of the main valve, the check valve being a pressure in the actuator flow path and a spring chamber of the check valve. Returning the oil within the actuator flow path through the return flow path by opening and closing the actuator flow path as the pressure flow of the actuator flows; First and second seating parts disposed in the auxiliary valve at predetermined intervals; A hydraulic chamber formed between the first and second seating portions and communicating with a spring chamber of the main valve; A plunger penetrated by the first and second seating portions and installed to be double acting; A pressure setting spring for elastically biasing one side of the plunger to a predetermined set pressure; Means for moving the plunger by applying a predetermined pressure to the other side of the plunger; when the plunger is moved by applying the predetermined pressure, the plunger opens one side of the hydraulic chamber to discharge oil in the spring chamber. Sikim; And a flow passage for communicating the discharge passage of the hydraulic chamber with the discharge passage of the spring chamber of the pressure setting spring. 제1항에 있어서, 상기 두 배출유로를 연통시키는 유로는 상기 메인밸브의 리턴유로와 연통됨을 특징으로 하는 홀딩 체크 콘트롤밸브.The holding check control valve of claim 1, wherein a flow passage communicating the two discharge passages communicates with a return flow passage of the main valve. 제1항 또는 제2항에 있어서, 상기 수단은 소정의 파일럿압력을 공급함에 따라 이동되어 상기 플런저의 상기 타측을 밀어 상기 플런저를 이동시키는 피스톤인 것을 특징으로 하는 홀딩 체크 콘트롤밸브.The holding check control valve according to claim 1 or 2, wherein the means is a piston which moves by supplying a predetermined pilot pressure to push the other side of the plunger to move the plunger. 제1항 또는 제2항에 있어서, 상기 유압실내에 수용된 부분의 상기 플런저의 형상이 상기 유압실내에서 상기 플런저에 작용하는 유압력의 "X"방향 분력과 "Y"방향 분력이 서로 상쇄될 수 있도록 형성됨에 따라, 상기 스프링실내의 유압력이 상기 플런저의 이동에 영향을 미칠수 없도록됨을 특징으로 하는 홀딩 체크 콘트롤밸브.3. The shape of the plunger of the portion accommodated in the hydraulic chamber can be offset by the "X" direction component and the "Y" direction component of the hydraulic force acting on the plunger in the hydraulic chamber. The holding check control valve, characterized in that the hydraulic force in the spring chamber can not affect the movement of the plunger. 제3항에 있어서, 상기 유압실내에 수용된 부분의 상기 플런저의 형상이 상기 유압실내에서 상기 플런저에 작용하는 유압력의 "X"방향 분력과 "Y"방향 분력이 서로 상쇄될 수 있도록 형성됨에 따라, 상기 스프링실내의 유압력이 상기 플런저의 이동에 영향을 미칠수 없도록됨을 특징으로 하는 홀딩 체크 콘트롤밸브.4. The method according to claim 3, wherein the shape of the plunger of the portion accommodated in the hydraulic chamber is formed so that the "X" direction component and the "Y" direction component of the hydraulic force acting on the plunger in the hydraulic chamber can be canceled with each other. And the hydraulic force in the spring chamber cannot affect the movement of the plunger. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940025346A 1994-09-30 1994-09-30 Holding Check Control Valve KR960011213A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1019940025346A KR960011213A (en) 1994-09-30 1994-09-30 Holding Check Control Valve
US08/497,513 US5540258A (en) 1994-09-30 1995-06-30 Holding check control valve
JP18836995A JPH08114202A (en) 1994-09-30 1995-06-30 Holding check control valve
DE1995630071 DE708251T1 (en) 1994-09-30 1995-07-11 Unlockable check valve
EP19950630071 EP0708251A1 (en) 1994-09-30 1995-07-11 Holding check control valve
CN95108978A CN1120642A (en) 1994-09-30 1995-07-19 Holding check control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940025346A KR960011213A (en) 1994-09-30 1994-09-30 Holding Check Control Valve

Publications (1)

Publication Number Publication Date
KR960011213A true KR960011213A (en) 1996-04-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940025346A KR960011213A (en) 1994-09-30 1994-09-30 Holding Check Control Valve

Country Status (1)

Country Link
KR (1) KR960011213A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100485264B1 (en) * 2002-08-12 2005-04-27 어드반스 메카텍 주식회사 Automatic Controlling Device of Variable Resistance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100485264B1 (en) * 2002-08-12 2005-04-27 어드반스 메카텍 주식회사 Automatic Controlling Device of Variable Resistance

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A201 Request for examination
N231 Notification of change of applicant
E902 Notification of reason for refusal
E601 Decision to refuse application