CN104141811A - High-pressure piston type flow rate regulating check multifunctional valve - Google Patents

High-pressure piston type flow rate regulating check multifunctional valve Download PDF

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Publication number
CN104141811A
CN104141811A CN201410293798.3A CN201410293798A CN104141811A CN 104141811 A CN104141811 A CN 104141811A CN 201410293798 A CN201410293798 A CN 201410293798A CN 104141811 A CN104141811 A CN 104141811A
Authority
CN
China
Prior art keywords
valve
flap
close
logical
piston tube
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.)
Pending
Application number
CN201410293798.3A
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Chinese (zh)
Inventor
李启省
谷晓云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG CHENGYI VALVE Co Ltd
Original Assignee
ZHEJIANG CHENGYI VALVE Co Ltd
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 ZHEJIANG CHENGYI VALVE Co Ltd filed Critical ZHEJIANG CHENGYI VALVE Co Ltd
Priority to CN201410293798.3A priority Critical patent/CN104141811A/en
Publication of CN104141811A publication Critical patent/CN104141811A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/18Check valves with actuating mechanism; Combined check valves and actuated valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/06Check valves with guided rigid valve members with guided stems
    • F16K15/063Check valves with guided rigid valve members with guided stems the valve being loaded by a spring

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)
  • Safety Valves (AREA)
  • Check Valves (AREA)

Abstract

The invention provides a high-pressure piston type flow rate regulating check multifunctional valve, which consists of a valve body, a valve seat, a valve flap, a spring, a check valve, a regulating valve, a piston ring and a bypass piston pipe, wherein a round bypass pipe and a piston cylinder integrally form the round bypass piston pipe, the round bypass piston pipe is divided into a lower part and an upper part, the inner diameter of the lower part of the bypass piston pipe is a little greater than the inner diameter of the upper part of the bypass piston pipe, the upper and lower part junction line in the bypass piston pipe forms a convex shoulder structure, the valve flap is arranged in the lower part of the bypass piston pipe, the height of the valve flap is identical to the height of the lower part of the bypass piston pipe, the diameter of the lower part of the valve flap is a little greater than the diameter of the upper part of the valve flap, the diameter of the lower part of the valve flap is matched with the length of the inner diameter of the lower part of the bypass piston pipe, the diameter of the upper part of the valve flap is matched with the length of the inner diameter of the upper part of the bypass piston pipe, two cylindrical cavities are arranged in the valve flap, one cylindrical cavity is a check cavity, the other cylindrical cavity is a regulating cavity, a check valve is arranged in the check cavity, and a regulating valve is arranged in the regulating cavity. The high-pressure piston type flow rate regulating check multifunctional valve has the advantages that the structure is simple, and the multipurpose of one valve is realized through closing the valve flap.

Description

High pressure piston formula Flow-rate adjustment non-return multifunction valve
Technical field
The present invention relates to a kind of high pressure valve, particularly a kind of high pressure piston formula Flow-rate adjustment non-return multifunction valve, MEDIA FLOW is out-of-date, relies on medium itself to flow and automatic open and close flap is realized the function of cut-off, Flow-rate adjustment, three kinds of valves of non-return.
Background technique
Safety check is a kind of automatic valve, and its Main Function is to prevent that medium from flowing backwards, preventing pump and drive motor reversion, and the releasing of vessel media, and refers to rely on medium itself to flow and automatic open and close flap.And existing safety check is in service not steady in work, piston activity causes whole system vibrations large fast, and noise is large, cannot adjust flux, and product easily damages, and is close in siphunculus and sets up piston cylinder, causes material resources waste.
And the cutting-off, throttling and checking multi-function valve that notification number is CN1200447, it is a kind of multifunction valve with cut-off, throttling, three kinds of functions of non-return, comprise valve body, valve seat and mangetic core assembly, mangetic core assembly is comprised of valve rod, flap, flap is sleeved on valve rod and can slides thereon, until blocked by the shoulder on valve rod.Valve rod is arranged on valve body by screw thread, thus the adjustable length that stretches into valve body.One returning spring is sleeved on valve rod, makes flap be tending towards coordinating with valve base sealing.The flap of this valve is not automatic open and close by media flow, but movable by stem movement, by External Force Acting, produces motion, and complicated structure and operation bother, noise is large.
Summary of the invention
The deficiency existing for prior art, the object of the present invention is to provide a kind of high pressure piston formula Flow-rate adjustment non-return multifunction valve, by valve body, valve seat, flap, spring, safety check, modulating valve, piston ring, be close to logical piston tube and form.
The technical solution adopted for the present invention to solve the technical problems is: circle is close to siphunculus and the integrated formation circle of piston cylinder is close to logical piston tube, circle is close to logical piston tube and is divided into bottom and top, be close to the logical micro-top inner diameter of being longer than of piston tube bottom inner diameter, the top and the bottom boundary line being close in logical piston tube forms shoulder structure; Be close in logical piston tube and be provided with valve seat, flap, spring, valve seat is arranged on valve flowing channel and is close to logical piston tube intersection, flap is arranged on and is close in logical piston tube bottom, the height of flap is the same with the height that is close to logical piston tube bottom, spring is arranged on and is close in logical piston tube top, spring one end connects valve gap inwall, and valve gap is fastened on and is close to the logical piston mouth of pipe, and the spring the other end connects the safety check in flap; Flap is divided into upper and lower, the micro-upper diameter of being longer than of flap lower diameter, flap lower diameter be close to logical piston tube bottom inner diameter length and mate, flap upper diameter be close to logical piston tube top inner diameter length and mate, flap top is provided with annular groove, in annular groove, settle piston ring, piston ring forms slipper seal to being close to logical piston tube; In flap, being provided with two road cylindrical chamber, is non-return chamber together, and another road is for regulating chamber, and two road chamber size are the same, and the indoor safety check that is provided with of check cavity regulates the interior modulating valve of settling of chamber.
Beneficial effect of the present invention: simple in structure, flap is opened fast, closed at a slow speed, without wearing and tearing, without impacting, long service life; Rely on medium itself to flow and automatic open and close flap is realized multi-purpose valve.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is valve flap structure schematic diagram;
Fig. 3, for being close to logical piston tube structural representation;
In figure, 1, valve body, 2, valve seat, 3, flap, 4, spring, 5, stud bolt, 6, piston ring, 7, be close to logical piston tube, 8, safety check, 9, modulating valve.
Embodiment
As shown in drawings, the present invention includes valve body 1, valve seat 2, flap 3, modulating valve 4, safety check 5, piston ring 6, be close to logical piston tube 7, spring 8, valve body 1 is flange arrangement, circle is close to siphunculus and the integrated formation circle of piston cylinder is close to logical piston tube, be close to logical piston tube 7 and be divided into bottom and top, be close to the logical micro-top inner diameter of being longer than of piston tube 7 bottom inner diameters, the top and the bottom boundary line being close in logical piston tube 7 forms shoulder structure, valve body 1 is integral type structure with being close to logical piston tube 7, valve body 1 runner center line is with to be close to logical piston tube 7 center lines vertical, be close to logical piston tube 7 diameter line two ends, position, bottom port is all set, port communicates with valve body 1 inner chamber runner, be close in logical piston tube 7 and be provided with valve seat 2, flap 3, spring 4, valve seat 2 is arranged on valve body 1 runner and is close to logical piston tube 7 intersections, flap 3 is positioned at valve seat 2 tops, flap 3 is arranged on and is close in logical piston tube 7 bottoms, the height of flap 3 is the same with the height that is close to logical piston tube 7 bottoms, spring 4 is positioned at valve seat 2 tops, spring 4 is arranged on and is close in logical piston tube 7 tops, spring 4 one end connect valve gap inwall, valve gap is fastened on and is close to 7 mouthfuls of logical piston tube, spring 4 the other ends connect the safety check 8 in flap 3, flap 3 automatically produces piston movement and opens under the mobilization of medium own, close, flap 3 forms cut-off sealing configuration with valve seat 2, flap 3 is divided into upper and lower, the micro-upper diameter of being longer than of flap 3 lower diameter, flap 3 lower diameter be close to logical piston tube 7 bottom inner diameter length and mate, flap 3 upper diameter be close to logical piston tube 7 top inner diameter length and mate, flap 3 tops are provided with annular groove, arrangement piston ring 6 in annular groove, during flap 3 work, flap 3 is being close to the logical interior slip of piston tube 7, until blocked by shoulder, 6 pairs, piston ring is close to logical piston tube 7 and forms slipper seal, flap 3 upper-end surfaces are provided with stud bolt 5, stud bolt 5 fixing springs 4, in flap 3, be provided with two road cylindrical chamber, be non-return chamber together, another road is for regulating chamber, two road chamber size are the same, two cavity bottom position, roads all arrange a through hole, two through hole is corresponding with two ports that are close to logical piston tube respectively, and the indoor safety check 8 that is provided with of check cavity regulates arrangement modulating valve 9 in chamber, medium flows to a direction, produce pressure and push flap 3 to, flap 3 moves upward and presses to spring 4, and safety check 8 is opened fast under medium and spring 4 effects, modulating valve 9 is for mixing up the normally open of flow, and the air pressure that makes to be close in logical piston tube 7 flows out from the through hole of safety check 8, modulating valve 9, while stopping media flow, gas in pipelines refluxes, and the return action of spring 4, safety check 8 cuts out and prevents that medium from flowing backwards, and modulating valve 9 is leaving, and by the self-gravity action of spring 4 and flap 3, in valve seat 2, forms sealing, thereby cut off, flow, formation is closed at a slow speed, so that 3 pairs of flaps are close to logical piston tube 7, forms without wearing and tearing, without impacting, and forms that whole system is shockproof, noise free and stable operation.

Claims (5)

1. a high pressure piston formula Flow-rate adjustment non-return multifunction valve, by valve body, valve seat, flap, spring, safety check, modulating valve, piston ring, be close to logical piston tube and form, it is characterized in that: circle is close to siphunculus and the integrated formation circle of piston cylinder is close to logical piston tube, circle is close to logical piston tube and is divided into bottom and top, is close to the logical micro-top inner diameter of being longer than of piston tube bottom inner diameter; Flap is divided into upper and lower, the micro-upper diameter of being longer than of flap lower diameter; In flap, being provided with two road cylindrical chamber, is non-return chamber together, and another road is for regulating chamber.
2. a kind of high pressure piston formula Flow-rate adjustment non-return multifunction valve according to claim 1, is characterized in that: the described top and the bottom boundary line being close in logical piston tube forms shoulder structure.
3. a kind of high pressure piston formula Flow-rate adjustment non-return multifunction valve according to claim 1, is characterized in that: the height of described flap is the same with the height that is close to logical piston tube bottom.
4. a kind of high pressure piston formula Flow-rate adjustment non-return multifunction valve according to claim 1, it is characterized in that: described flap lower diameter be close to logical piston tube bottom inner diameter length and mate, flap upper diameter is led to piston tube top inner diameter length and is mated with being close to.
5. a kind of high pressure piston formula Flow-rate adjustment non-return multifunction valve according to claim 1, is characterized in that: the indoor safety check that is provided with of described check cavity, regulates arrangement modulating valve in chamber.
CN201410293798.3A 2014-06-18 2014-06-18 High-pressure piston type flow rate regulating check multifunctional valve Pending CN104141811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410293798.3A CN104141811A (en) 2014-06-18 2014-06-18 High-pressure piston type flow rate regulating check multifunctional valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410293798.3A CN104141811A (en) 2014-06-18 2014-06-18 High-pressure piston type flow rate regulating check multifunctional valve

Publications (1)

Publication Number Publication Date
CN104141811A true CN104141811A (en) 2014-11-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410293798.3A Pending CN104141811A (en) 2014-06-18 2014-06-18 High-pressure piston type flow rate regulating check multifunctional valve

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CN (1) CN104141811A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111188927A (en) * 2020-02-14 2020-05-22 荣成市荣利阀门有限公司 A back pressure balanced cut-off check valve
CN112145779A (en) * 2020-08-13 2020-12-29 浙江理工大学 Solenoid regulating valve with non-return function

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1411283A2 (en) * 2002-10-14 2004-04-21 STEIN, Günter High pressure sealing for screw threaded cartridge
CN201723729U (en) * 2010-07-06 2011-01-26 苏州纽威阀门股份有限公司 Single seat sleeve regulating valve
CN202109090U (en) * 2011-05-19 2012-01-11 浙江科海仪表有限公司 Large-caliber low-noise sleeve barrel regulation valve
CN102563104A (en) * 2012-02-04 2012-07-11 浙江科海仪表有限公司 Self-operated sleeve regulating valve
CN202418746U (en) * 2012-01-16 2012-09-05 浙江福瑞科流控机械有限公司 High-pressure piston type check valve
CN202418747U (en) * 2012-01-16 2012-09-05 浙江福瑞科流控机械有限公司 Low-medium pressure piston check valve
CN202431993U (en) * 2012-02-04 2012-09-12 浙江科海仪表有限公司 Self-operated sleeve adjusting valve
CN203082353U (en) * 2012-12-22 2013-07-24 北京菁华昱创节能设备有限公司 Regional control valve
CN103216672A (en) * 2013-04-09 2013-07-24 西诺威阀门控制(苏州)有限公司 Muted piston-type valve clack and check valve
CN203146917U (en) * 2013-03-19 2013-08-21 上海华尔德电站阀门有限公司 Sleeve type check valve
CN203176372U (en) * 2012-10-30 2013-09-04 四川天一科技股份有限公司 Floating-type sealing mouse cage valve
US20140048148A1 (en) * 2008-01-21 2014-02-20 Ausco, Inc. Pressure relief valve with singular body

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1411283A2 (en) * 2002-10-14 2004-04-21 STEIN, Günter High pressure sealing for screw threaded cartridge
US20140048148A1 (en) * 2008-01-21 2014-02-20 Ausco, Inc. Pressure relief valve with singular body
CN201723729U (en) * 2010-07-06 2011-01-26 苏州纽威阀门股份有限公司 Single seat sleeve regulating valve
CN202109090U (en) * 2011-05-19 2012-01-11 浙江科海仪表有限公司 Large-caliber low-noise sleeve barrel regulation valve
CN202418746U (en) * 2012-01-16 2012-09-05 浙江福瑞科流控机械有限公司 High-pressure piston type check valve
CN202418747U (en) * 2012-01-16 2012-09-05 浙江福瑞科流控机械有限公司 Low-medium pressure piston check valve
CN102563104A (en) * 2012-02-04 2012-07-11 浙江科海仪表有限公司 Self-operated sleeve regulating valve
CN202431993U (en) * 2012-02-04 2012-09-12 浙江科海仪表有限公司 Self-operated sleeve adjusting valve
CN203176372U (en) * 2012-10-30 2013-09-04 四川天一科技股份有限公司 Floating-type sealing mouse cage valve
CN203082353U (en) * 2012-12-22 2013-07-24 北京菁华昱创节能设备有限公司 Regional control valve
CN203146917U (en) * 2013-03-19 2013-08-21 上海华尔德电站阀门有限公司 Sleeve type check valve
CN103216672A (en) * 2013-04-09 2013-07-24 西诺威阀门控制(苏州)有限公司 Muted piston-type valve clack and check valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111188927A (en) * 2020-02-14 2020-05-22 荣成市荣利阀门有限公司 A back pressure balanced cut-off check valve
CN112145779A (en) * 2020-08-13 2020-12-29 浙江理工大学 Solenoid regulating valve with non-return function

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SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20141112

WD01 Invention patent application deemed withdrawn after publication