CN109373012B - Micro-flow equal-flow diverter valve - Google Patents

Micro-flow equal-flow diverter valve Download PDF

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Publication number
CN109373012B
CN109373012B CN201811462759.6A CN201811462759A CN109373012B CN 109373012 B CN109373012 B CN 109373012B CN 201811462759 A CN201811462759 A CN 201811462759A CN 109373012 B CN109373012 B CN 109373012B
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China
Prior art keywords
valve
flow
valve core
equal
liquid
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Application number
CN201811462759.6A
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Chinese (zh)
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CN109373012A (en
Inventor
廖映华
胥云
林椿松
石艳
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Sichuan University of Science and Engineering
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Sichuan University of Science and Engineering
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Priority to CN201811462759.6A priority Critical patent/CN109373012B/en
Publication of CN109373012A publication Critical patent/CN109373012A/en
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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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
    • F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
    • 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
    • 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
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K99/0001—Microvalves
    • F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
    • F16K99/0005—Lift valves
    • 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
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K99/0001—Microvalves
    • F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
    • F16K99/0028—Valves having multiple inlets or outlets
    • 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
    • F16K99/00—Subject matter not provided for in other groups of this subclass
    • F16K99/0001—Microvalves
    • F16K99/0034—Operating means specially adapted for microvalves
    • F16K99/0055—Operating means specially adapted for microvalves actuated by fluids

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Multiple-Way Valves (AREA)
  • Lift Valve (AREA)

Abstract

The invention discloses a micro-flow equal-flow diverter valve, wherein a valve body is provided with a liquid inlet, an equal-flow distributor is arranged at the liquid inlet, valve body fluid paths are arranged in the valve body at two sides of the equal-flow distributor, the two valve body fluid paths are respectively communicated with the fluid paths of the equal-flow distributor, the other ends of the two valve body fluid paths are respectively communicated with the regulating valve seat fluid paths of regulating valve seats, a valve core hole is arranged between the two regulating valve seats, a movable valve core is arranged in the valve core hole, two ends of the valve core hole are respectively communicated with the regulating valve seat fluid paths, a first valve core fluid path and a second valve core fluid path which penetrate through the valve core hole are respectively arranged at two ends of the bottom of the valve core hole, the first valve core fluid path and the second valve core fluid path are in a split structure, and an assembly gap is arranged between the two valve core fluid paths, so that the valve core can be self-adaptively adjusted when bearing different pressures, and the opening degree of a valve port is controlled to realize equal-flow control, thereby solving the problem of micro-flow continuous equal-flow.

Description

Micro-flow equal-flow diverter valve
Technical Field
The invention relates to the field of machinery, in particular to a flow dividing valve with small flow and the like.
Background
For some special applications, a small flow (0.5-5 ml/min, pressure less than or equal to 2-3 Mpa) with equal flow is needed. For example, some experiments aiming at corrosion effects of corrosion liquid need to continuously provide corrosion liquid with micro flow of equal flow, while in the prior art, capillary tubes are adopted for micro flow, but continuous equal flow is difficult to achieve by the capillary tubes, the conventional equal flow diverter valve aims at large flow, and the conventional equal flow diverter valve for micro flow of corrosion liquid has no relevant record, so how to achieve equal flow diversion of micro flow is a problem which is presented to a person skilled in the art.
Disclosure of Invention
The invention aims at: the problems existing in the prior art are overcome, the flow dividing valve with the micro flow and the like is provided, the movable valve core is arranged, the movable valve core is of a split structure, and an assembly gap is formed between two parts of the valve core, so that the valve core can be adjusted in a self-adaptive mode when bearing different pressures, the opening degree of a valve port is controlled to realize flow control with the micro flow and the like, and the problem of continuous flow with the micro flow is solved.
The aim of the invention is achieved by the following technical scheme:
a micro-flow equal flow diverter valve comprising: the valve body, the valve body has the inlet, inlet department is provided with the equal flow distributor, have the valve body fluid way in the valve body of equal flow distributor both sides, two way the valve body fluid way communicates with the fluid way of equal flow distributor respectively, two way the other end of valve body fluid way is linked together with the regulation disk seat fluid way of regulation disk seat respectively, two have the case hole between the regulation disk seat, be provided with the case that moves about in the case hole, case hole both ends are linked together with regulation disk seat fluid way respectively, case hole bottom both ends are provided with first case fluid way and the second case fluid way that runs through with the case hole respectively.
The invention relates to a micro-flow equal-flow diverter valve, wherein a floating valve core is of a split structure and comprises a left valve core part and a right valve core part.
The invention relates to a micro-flow equal-flow diverter valve, wherein the assembly clearance between the left part of a valve core and the right part of the valve core is 0.5-1mm.
The invention relates to a micro-flow equal-flow diverter valve, wherein the left part and the right part of a valve core respectively comprise: the core cone extends into the liquid path of the regulating valve seat.
According to the micro-flow equal-flow diverter valve, the adjusting valve seat is locked through the locking stud.
The invention discloses a micro-flow equal-flow diverter valve, wherein a liquid inlet pipe is arranged at a liquid inlet, and a double-cone joint is arranged between the liquid inlet pipe and an equal-flow distributor.
The invention discloses a micro-flow equal-flow diverter valve, wherein a first liquid outlet pipe and a second liquid outlet pipe are respectively connected with a first valve core liquid path and a second valve core liquid path.
According to the micro-flow equal-flow diverter valve, a double-cone joint is arranged between the first valve core liquid path and the first liquid outlet pipe, and a double-cone joint is arranged between the second valve core liquid path and the second liquid outlet pipe.
According to the micro-flow equal-flow diverter valve, quick-change connectors are arranged on the liquid inlet pipe, the first liquid outlet pipe and the second liquid outlet pipe.
According to the technical scheme, the invention has the beneficial effects that: the micro-flow equal-flow diverter valve is characterized in that a movable valve core is arranged, the movable valve core is of a split structure, and an assembly gap is formed between two parts of the valve core, so that the valve core can be adjusted in a self-adaptive mode when bearing different pressures, the opening degree of a valve port is controlled to realize equal-flow control, and the problem of continuous equal-flow of micro-flow is solved.
Drawings
FIG. 1 is a schematic view of a micro-flow equal-flow diverter valve according to the present invention.
Detailed Description
The invention will be further described with reference to specific examples and figures.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
FIG. 1 shows an embodiment of a micro-flow equal-flow diverter valve according to the present invention, comprising: the valve body 1, valve body 1 has the inlet, inlet department is provided with equal flow distributor 2, have valve body fluid way 3 in the valve body 1 of equal flow distributor 2 both sides, two way valve body fluid way 3 respectively with equal flow distributor 2's liquid way intercommunication, two way the other end of valve body fluid way 3 respectively with adjust the regulation disk seat liquid way 41 of disk seat 4 and be linked together, two have case hole 7 between the regulation disk seat 4, be provided with the case 6 that moves about in the case hole 7, case hole 7 both ends are linked together with adjusting disk seat liquid way 41 respectively, case hole 7 bottom both ends are provided with first case liquid way 71 and second case liquid way 72 that run through with case hole 7 respectively. The floating valve core 6 is of a split structure and comprises a valve core left part and a valve core right part, an assembly gap between the valve core left part and the valve core right part is 0.5-1mm, and the valve core left part and the valve core right part respectively comprise: the core cylinder 61 and the core cone 62, the core cone 62 stretches into the valve seat adjusting liquid path 41, the valve seat adjusting 4 is locked through the locking stud 5, the liquid inlet is provided with the liquid inlet pipe 21, a double-cone joint 8 is arranged between the liquid inlet pipe 21 and the equal flow distributor 2, the first valve core liquid path 71 and the second valve core liquid path 72 are respectively connected with the first liquid outlet pipe 73 and the second liquid outlet pipe 74, a double-cone joint 8 is arranged between the first valve core liquid path 71 and the first liquid outlet pipe 73, a double-cone joint 8 is arranged between the second valve core liquid path 72 and the second liquid outlet pipe 74, and quick-change joints are arranged on the liquid inlet pipe 21, the first liquid outlet pipe 73 and the second liquid outlet pipe 74.
The working process comprises the following steps: at the beginning, the pressure P1 and the pressure P2 of the regulating valve seat liquid path 41 at the two ends of the movable valve core 6 are different, and at the moment, the opening of the valve port 1 and the valve port 2 of the regulating valve seat liquid path 41 at the two ends of the movable valve core 6 are 0; when the pressure P of the liquid inlet is increased, the valve port 1T and the valve port 2 are opened, and the opening degrees are equal, so that the flow rates P1 and P2 of the P1 and P2 ports are equal.
Since the valve port opening (x=p/k) is independent of the outlet pressure, the change in the outlet pressure has no influence on the flow rate.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (6)

1. A micro-flow equal-flow diverter valve, comprising: the valve body (1) is provided with a liquid inlet, the liquid inlet is provided with an equal flow distributor (2), valve body liquid paths (3) are arranged in the valve body (1) at two sides of the equal flow distributor (2), the two valve body liquid paths (3) are respectively communicated with liquid paths of the equal flow distributor (2), the other ends of the two valve body liquid paths (3) are respectively communicated with an adjusting valve seat liquid path (41) of an adjusting valve seat (4), a valve core hole (7) is arranged between the two adjusting valve seats (4), a traveling valve core (6) is arranged in the valve core hole (7), two ends of the valve core hole (7) are respectively communicated with the adjusting valve seat liquid path (41), a first valve core liquid path (71) and a second valve core liquid path (72) which penetrate through the valve core hole (7) are respectively arranged at two ends of the bottom of the valve core hole (7), and the first valve core liquid path (71) and the second valve core liquid path (72) are respectively connected with a first liquid outlet pipe (73) and a second liquid outlet pipe (74); the movable valve core (6) is of a split structure and comprises a left valve core part and a right valve core part respectively, and an assembly gap between the left valve core part and the right valve core part is 0.5-1mm; the micro flow is 0.5-5ml/min, and the pressure is less than or equal to 2-3Mpa.
2. The micro-flow equal-flow diverter valve according to claim 1, wherein: the left part of the valve core and the right part of the valve core respectively comprise: a core column body (61) and a core cone body (62), wherein the core cone body (62) extends into the valve seat adjusting liquid path (41).
3. The micro-flow equal-flow diverter valve according to claim 1, wherein: the adjusting valve seat (4) is locked through the locking stud (5).
4. The micro-flow equal-flow diverter valve according to claim 1, wherein: the liquid inlet is provided with a liquid inlet pipe (21), and a biconical joint (8) is arranged between the liquid inlet pipe (21) and the equal flow distributor (2).
5. The micro-flow equal-flow diverter valve according to claim 1, wherein: a double-cone joint (8) is arranged between the first valve core liquid path (71) and the first liquid outlet pipe (73), and a double-cone joint (8) is arranged between the second valve core liquid path (72) and the second liquid outlet pipe (74).
6. The micro-flow equal-flow diverter valve according to claim 5, wherein: quick-change connectors are arranged on the liquid inlet pipe (21), the first liquid outlet pipe (73) and the second liquid outlet pipe (74).
CN201811462759.6A 2018-12-03 2018-12-03 Micro-flow equal-flow diverter valve Active CN109373012B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811462759.6A CN109373012B (en) 2018-12-03 2018-12-03 Micro-flow equal-flow diverter valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811462759.6A CN109373012B (en) 2018-12-03 2018-12-03 Micro-flow equal-flow diverter valve

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CN109373012A CN109373012A (en) 2019-02-22
CN109373012B true CN109373012B (en) 2023-09-15

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB685203A (en) * 1949-01-11 1952-12-31 Electro Hydraulics Ltd Improvements in or relating to fluid control valves, and pipe couplings therefor
US3289701A (en) * 1963-03-04 1966-12-06 Booth Stanley Henshaw Fluid controlled safety devices for selector valves
DE2819679A1 (en) * 1977-05-19 1978-11-30 Skoda Np Fully automatic pressure divider - produces low pressure which remains at constant ratio to high pressure input and uses stepped cylinder with dual piston
EP0110289A1 (en) * 1982-12-06 1984-06-13 Deere & Company Equalizing valve
DE3470772D1 (en) * 1984-01-16 1988-06-01 Parker Hannifin Corp Flow dividing valve
US6289917B1 (en) * 1999-06-30 2001-09-18 Gerald Ross Gerstenberger Proportional flow divider valve
CN202360801U (en) * 2011-12-08 2012-08-01 厦门建霖工业有限公司 Waterway-switching structure of three-way diverter
CN205190404U (en) * 2015-12-07 2016-04-27 浙江华益精密机械股份有限公司 High accuracy flow divider -combiner
CN105952705A (en) * 2016-06-29 2016-09-21 宁波文泽机电技术开发有限公司 Balance valve
CN206468613U (en) * 2017-02-06 2017-09-05 厦门沃骑水上设备有限公司 A kind of separating valve
CN108150677A (en) * 2018-03-05 2018-06-12 克拉玛依市金牛信泰石油设备有限公司 Multi-way valve
WO2018143040A1 (en) * 2017-01-31 2018-08-09 株式会社フジキン Flow dividing valve
CN209262316U (en) * 2018-12-03 2019-08-16 四川理工学院 A kind of flow shunts valves such as tiny flow quantity

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB685203A (en) * 1949-01-11 1952-12-31 Electro Hydraulics Ltd Improvements in or relating to fluid control valves, and pipe couplings therefor
US3289701A (en) * 1963-03-04 1966-12-06 Booth Stanley Henshaw Fluid controlled safety devices for selector valves
DE2819679A1 (en) * 1977-05-19 1978-11-30 Skoda Np Fully automatic pressure divider - produces low pressure which remains at constant ratio to high pressure input and uses stepped cylinder with dual piston
EP0110289A1 (en) * 1982-12-06 1984-06-13 Deere & Company Equalizing valve
DE3470772D1 (en) * 1984-01-16 1988-06-01 Parker Hannifin Corp Flow dividing valve
US6289917B1 (en) * 1999-06-30 2001-09-18 Gerald Ross Gerstenberger Proportional flow divider valve
CN202360801U (en) * 2011-12-08 2012-08-01 厦门建霖工业有限公司 Waterway-switching structure of three-way diverter
CN205190404U (en) * 2015-12-07 2016-04-27 浙江华益精密机械股份有限公司 High accuracy flow divider -combiner
CN105952705A (en) * 2016-06-29 2016-09-21 宁波文泽机电技术开发有限公司 Balance valve
WO2018143040A1 (en) * 2017-01-31 2018-08-09 株式会社フジキン Flow dividing valve
CN108884946A (en) * 2017-01-31 2018-11-23 株式会社富士金 Flow divider
CN206468613U (en) * 2017-02-06 2017-09-05 厦门沃骑水上设备有限公司 A kind of separating valve
CN108150677A (en) * 2018-03-05 2018-06-12 克拉玛依市金牛信泰石油设备有限公司 Multi-way valve
CN209262316U (en) * 2018-12-03 2019-08-16 四川理工学院 A kind of flow shunts valves such as tiny flow quantity

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