CN106763895B - Reversal valve coil drive power amplification mechanism and reversal valve - Google Patents

Reversal valve coil drive power amplification mechanism and reversal valve Download PDF

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Publication number
CN106763895B
CN106763895B CN201611132044.5A CN201611132044A CN106763895B CN 106763895 B CN106763895 B CN 106763895B CN 201611132044 A CN201611132044 A CN 201611132044A CN 106763895 B CN106763895 B CN 106763895B
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CN
China
Prior art keywords
coil
connecting lever
spool
reversal valve
mating part
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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.)
Active
Application number
CN201611132044.5A
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Chinese (zh)
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CN106763895A (en
Inventor
赵利军
吕进
高延峰
张卓鹏
刘亚辉
赵晓雯
沈学银
石晶
武敬艳
王绍辉
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.)
Henan Pingzhi High Voltage Switchgear Co Ltd
State Grid Corp of China SGCC
Pinggao Group Co Ltd
Original Assignee
Henan Pingzhi High Voltage Switchgear Co Ltd
State Grid Corp of China SGCC
Pinggao Group 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.)
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Publication date
Application filed by Henan Pingzhi High Voltage Switchgear Co Ltd, State Grid Corp of China SGCC, Pinggao Group Co Ltd filed Critical Henan Pingzhi High Voltage Switchgear Co Ltd
Priority to CN201611132044.5A priority Critical patent/CN106763895B/en
Publication of CN106763895A publication Critical patent/CN106763895A/en
Application granted granted Critical
Publication of CN106763895B publication Critical patent/CN106763895B/en
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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
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • 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
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675Electromagnet aspects, e.g. electric supply therefor
    • F16K31/0679Electromagnet aspects, e.g. electric supply therefor with more than one energising coil
    • 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
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/10Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid with additional mechanism between armature and closure member

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The present invention relates to a kind of reversal valve coil drive power amplification mechanism and reversal valves;Reversal valve coil drive power amplification mechanism includes mechanism seat, transmission arm or connecting lever are hinged on mechanism seat, transmission arm or connecting lever have and the corresponding armature mating part of armature and spool mating part corresponding with the spool of reversal valve of commutating coil, and the distance between armature mating part and connecting lever hinge axes are greater than the distance between spool mating part and connecting lever hinge axes;Utilize lever principle, in the identical situation of commutating coil driving force, reversal valve coil drive power amplification mechanism through the invention, commutating coil can be made to provide change-over valve core bigger driving force, existing reversal valve is solved in breaking-closing operating, the problem that commutating coil driving force may be insufficient.

Description

Reversal valve coil drive power amplification mechanism and reversal valve
Technical field
The present invention relates to a kind of for increasing commutation valve coil drive of the reversal valve commutating coil to change-over valve core active force Power amplification mechanism and the reversal valve for using the mechanism.
Background technique
Hydraulic operating mechanism is a kind of operating mechanism form that GCB is routinely used, and with compact appearance, energy storage is stablized, The advantages that Reliability of Microprocessor is high;The structure of existing hydraulic actuating mechanism, as shown in Figure 1, hydraulic mechanism can totally be divided into commutation Valve cell, oil pump unit, operation cylinder unit, four part of accumulator unit;Valve unit mainly includes reversal valve, and reversal valve is logical Cross the conversion to high and low pressure oil circuit in hydraulic mechanism, reach control hydraulic mechanism main piston carry out point, the function of closing operation.
Such as Fig. 2, reversal valve include change valve 100 and the opening coil 200 that reversing valve body left and right side is set, Closing coil 300;Reversing valve body 100 includes commutation valve base 101, reversal valve valve pocket 102 and change-over valve core 103;Commutation Valve base 101 is equipped with high-voltage oil cavity 104, low pressure oil pocket 106 and intermediate oil pocket 105;When GCB needs to carry out sub-switching operation, point Lock commutating coil 200 it is electric, opening coil armature 201 pushes to the right reversal valve valve phase 103, change-over valve core 103 move to right to After being contacted in place with the left port of the reversal valve valve pocket 102 on right side, change-over valve core 103 by commutate valve base 101 on high pressure Oil pocket 104 is isolated with intermediate oil pocket 105, while low pressure oil pocket 106 and intermediate oil pocket 105 being connected, and realizes separating brake;It is being closed When lock operates, combined floodgate commutating coil 300 is by electricity, and closing coil armature 301 pushes change-over valve core 103 to the left, in reversal valve valve Core 103 is moved to left to after contacting in place with the right output port of the reversal valve valve pocket 102 in left side, and change-over valve core 103 is by low pressure oil pocket 106 Separate with intermediate oil pocket 105, while high-voltage oil cavity 104 and intermediate oil pocket 105 being connected, realizes and close a floodgate.
The mobile needs of change-over valve core 103 overcome in commutation valve base 101 oil pressure is poor, on change-over valve core 103 Sealing element and reversal valve valve pocket 102 between frictional resistance etc..GCB is in the movement for the first time in long-term static hysteresis, due to commutation Oil liquid and lubricating grease " solidification " between valve core 103 and reversal valve valve pocket 102, change-over valve core 103 and reversal valve valve pocket 102 it Between frictional force it is very big;When carrying out switching on and off operation, commutating coil may be insufficient to the driving force of change-over valve core, Wu Fabao Card change-over valve core 103 reaches scheduled sealing station, and the movement oil pressure of operating mechanism is difficult to smooth foundation, leads to spool The different time values of switching on and off time increase, serious to lead to coil scaling loss and output work because of the long Shi Shou electricity of commutating coil Decline, causes operating mechanism failure.
Summary of the invention
The purpose of the present invention is to provide a kind of reversal valve coil drive power amplification mechanisms, to solve existing reversal valve In some cases, the problem that commutating coil may be insufficient to the driving force of change-over valve core;The present invention also aims to mention For a kind of reversal valve using the reversal valve coil drive power amplification mechanism.
To achieve the above object, the technical solution of reversal valve coil drive power amplification mechanism of the invention is:
Reversal valve coil drive power amplification mechanism includes mechanism seat, and transmission arm or connecting lever, transmission arm are hinged on mechanism seat Or connecting lever has and the corresponding armature mating part of armature and spool corresponding with the spool of the reversal valve auxiliary section of commutating coil Point, the distance between armature mating part and connecting lever hinge axes be greater than between spool mating part and connecting lever hinge axes away from From.
Mechanism seat includes ontology attachment base and coil mounting base, ontology attachment base be arranged in reversing valve body along reversal valve On the side wall of spool axial direction, the side of the close reversing valve body of coil mounting base rides upon the top of ontology attachment base by screw On face, a lateral edge change-over valve core axially extended ontology attachment base top surface of the separate reversing valve body of coil mounting base.
The connecting lever includes orthogonal first connecting lever part and the second connecting lever part, the armature mating part by Connecting lever section on first connecting lever part is formed, and the spool mating part is formed by the connecting lever section on the second connecting lever part, is turned The junction of first and second connecting lever part of arm is hinged on the ontology attachment base.
Opening up along side wall of the change-over valve core axially away from reversing valve body for ontology attachment base is fluted, and connecting lever is hinged In being parallel on the cell wall of change-over valve core axis for groove.
Spool mating part is in groove, the cell wall interval setting of connecting lever hinge portion and groove, so that groove has The recess space of the side of the close reversing valve body of connecting lever hinge axes is moved to for the spool mating part.
Guiding is equipped with the spool trundle coaxial with change-over valve core on ontology attachment base, and the separate of spool trundle is changed Pushing tow cooperation is formed to one end of valve body and the spool mating part.
Spool returning spring is equipped between ontology attachment base and spool trundle.
Guiding is equipped with the coil trundle coaxial with commutating coil armature in coil mounting base, coil trundle it is separate One end of commutating coil and the armature mating part form pushing tow cooperation.
Coil returning spring is equipped between coil mounting base and coil trundle.
The technical solution of reversal valve of the invention is:
Reversal valve, the commutation line including reversing valve body and for controlling the movement of the change-over valve core in reversing valve body Circle is equipped with commutating coil driving force amplification mechanism, reversal valve coil drive power amplification machine between commutating coil and reversing valve body Structure includes mechanism seat, and transmission arm or connecting lever are hinged on mechanism seat, and transmission arm or connecting lever have corresponding with the armature of commutating coil Armature mating part and spool mating part corresponding with the spool of reversal valve, armature mating part and connecting lever hinge axes it Between distance be greater than the distance between spool mating part and connecting lever hinge axes.
Mechanism seat includes ontology attachment base and coil mounting base, ontology attachment base be arranged in reversing valve body along reversal valve On the side wall of spool axial direction, the side of the close reversing valve body of coil mounting base rides upon the top of ontology attachment base by screw On face, a lateral edge change-over valve core axially extended ontology attachment base top surface of the separate reversing valve body of coil mounting base.
The connecting lever includes orthogonal first connecting lever part and the second connecting lever part, the armature mating part by Connecting lever section on first connecting lever part is formed, and the spool mating part is formed by the connecting lever section on the second connecting lever part, is turned The junction of first and second connecting lever part of arm is hinged on the ontology attachment base.
Opening up along side wall of the change-over valve core axially away from reversing valve body for ontology attachment base is fluted, and connecting lever is hinged In being parallel on the cell wall of change-over valve core axis for groove.
Spool mating part is in groove, the cell wall interval setting of connecting lever hinge portion and groove, so that groove has The recess space of the side of the close reversing valve body of connecting lever hinge axes is moved to for the spool mating part.
Guiding is equipped with the spool trundle coaxial with change-over valve core on ontology attachment base, and the separate of spool trundle is changed Pushing tow cooperation is formed to one end of valve body and the spool mating part.
Spool returning spring is equipped between ontology attachment base and spool trundle.
Guiding is equipped with the coil trundle coaxial with commutating coil armature in coil mounting base, coil trundle it is separate One end of commutating coil and the armature mating part form pushing tow cooperation.
Coil returning spring is equipped between coil mounting base and coil trundle.
The beneficial effects of the present invention are: reversal valve coil drive power amplification mechanism includes mechanism seat, it is hinged on mechanism seat Transmission arm or connecting lever, transmission arm or connecting lever have armature mating part corresponding with the armature of commutating coil and the valve with reversal valve The corresponding spool mating part of core, the distance between armature mating part and connecting lever hinge axes are greater than spool mating part and turn The distance between arm hinge axes, using lever principle, in the identical situation of commutating coil driving force, changing through the invention To valve coil driving force amplification mechanism, commutating coil can be made to provide change-over valve core bigger driving force, solved existing Reversal valve is in breaking-closing operating, the possible insufficient problem of commutating coil driving force.
Further, mechanism seat includes ontology attachment base and coil mounting base, and ontology attachment base is arranged in reversing valve body One end, coil mounting base rides upon on the top surface of ontology attachment base, designs this hair on the basis of existing structure of reversing valve The mechanism seat of bright reversal valve coil drive power amplification mechanism, the as far as possible physical fit with existing reversal valve reduce difficulty of processing.
Further, ontology attachment base offered along side wall of the change-over valve core axially away from reversing valve body it is recessed Slot, connecting lever are hinged on being parallel on the cell wall of change-over valve core axis of groove;Connecting lever entirely or partially contains in a groove, Connecting lever is hinged on the cell wall of groove, so that present apparatus structure is more compact.
Further, spool mating part is in groove, the cell wall interval setting of connecting lever hinge portion and groove, so that Groove has the groove of the side for the close reversing valve body for moving to connecting lever hinge axes for the spool mating part empty Between, in transmission arm movement, second transmission segment moves between the two sides of transmission arm hinge axes, shortens long to connecting lever Degree reduces the amplitude that connecting lever is swung.
Further, divide between ontology attachment base and spool trundle and/or between coil mounting base and coil trundle It She You not spool returning spring and coil returning spring;Connecting lever, connecting lever driving change-over valve core is driven to act in commutating coil Cheng Hou, spool trundle, coil trundle reset under the promotion of corresponding returning spring, simultaneously as the position of connecting lever is simultaneously It is limited by spool trundle and coil trundle, connecting lever can also be resetted with spool trundle and coil trundle.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing hydraulic actuating mechanism;
Fig. 2 is the structural schematic diagram of existing reversal valve;
Fig. 3 is the structural schematic diagram of the specific embodiment of reversal valve of the present invention.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of reversal valve of the present invention, as shown in figure 3, including reversing valve body 100, opening coil 200, closing a floodgate Coil 300, reversal valve coil drive power amplification mechanism 400;Reversing valve body 100 includes commutation valve base 101, reversal valve valve pocket 102, change-over valve core 103, there are two reversal valve valve pockets 102, and two reversal valve valve pockets 102 interval is located in commutation valve base 101 The left and right side of chamber, change-over valve core 103 are threaded through in two reversal valve valve pockets 102;It is offered and high pressure on commutation valve base 101 Oil pocket 104, low pressure oil pocket 106 and intermediate oil pocket 105.
Reversal valve coil drive power amplification mechanism 400 includes mechanism seat, transmission arm, pin shaft 403, coil trundle 404, valve Core trundle 405, coil reset spring 406, valve core reseting spring 407, trundle guide sleeve 408;The mechanism seat includes Ontology attachment base 411 for being connect with commutation valve base 101 and the coil mounting base 412 for the installation of closing coil 300.
Ontology attachment base 411 is arranged on the right side wall of commutation valve base 101, and spool trundle 405 is led in left-right direction It is coaxial in ontology attachment base 411 and with change-over valve core 103 to being arranged, on 411 left side wall of ontology attachment base with reversal valve valve The corresponding position of core 103 is equipped with escape groove for accommodating 103 right end head of change-over valve core, on the right side cell wall of escape groove Equipped with the avoid holes being pierced by for spool trundle 405;Spool returning spring 407 is threaded through the right end of spool trundle 405 and place Between the inner wall and spool trundle 405 of ontology attachment base 411.
The right side wall of ontology attachment base 411 is equipped with the groove of stepped form, and transmission arm is the connecting lever 402 of L-shaped structure, turns Arm 402 is hinged on the cell wall along the longitudinal direction of the groove by the pin shaft 403 that axis extends along the longitudinal direction, connecting lever 402 include the first connecting lever part extended from the hinged place of connecting lever 402 towards 402 hinge axes lower right of connecting lever and from connecting lever The second connecting lever part that 402 hinged place extends towards 402 hinge axes upper right side of connecting lever;First connecting lever part and spool are driven Pin 405 corresponds in the lateral direction, and the second connecting lever part is corresponding in the up-down direction with coil trundle 404.
Coil mounting base 412 is plate, and fitting is arranged on the top surface of ontology attachment base 400, a left side for coil mounting base 412 Side section is fixed in the right part of 411 top surface of ontology attachment base by fastening screw, and the right side of coil mounting base 412 is to the right Extend beyond 411 top surface of ontology attachment base;Closing coil 300 is vertically arranged in along the vertical direction in coil mounting base 412, coil Position corresponding with 301 axis of closing coil armature is equipped with the installation installed for trundle guide sleeve 408 in mounting base 412 The bottom surface of platform, closing coil 300 contacts limit with the top surface of trundle guide sleeve 408;Coil trundle 404 is worn along the vertical direction It is located on trundle guide sleeve 408;Coil reset spring 406 is threaded through the upside of coil trundle 404 and is driven in coil Between pin 404 and trundle guide sleeve 408.
When carrying out closing operation, closing coil 300 must be electric, and closing coil armature 301 moves down, in closing coil armature Under 301 driving, coil trundle 404 overcomes the active force of coil reset spring 406 to move down, and coil trundle 404 is right 402 second connecting lever part of connecting lever applies active force straight down, and connecting lever 402 is along clockwise direction to lower swing, the second connecting lever Partial forms fitting coils part with 404 slide lines part of coil trundle, and 402 first connecting lever part of connecting lever passes spool Dynamic pin 405 applies active force to the right, and the first connecting lever part forms spool transmission with 405 slide lines part of spool trundle Section, spool trundle 405 drive change-over valve core 103 move to right, change-over valve core 103 move to right to left side reversal valve valve pocket 102 right output port contact when, change-over valve core 103 in place, change-over valve core 103 by commutate valve base 101 in low pressure oil pocket 106 separate with intermediate oil pocket 105, while high-voltage oil cavity 104 and intermediate oil pocket 103 being connected, the high pressure oil in high-voltage oil cavity 104 Liquid enters in operating mechanism via intermediate oil pocket 103, realizes and closes a floodgate.
After the completion of feed motion, 300 power loss of closing coil, closing coil armature 301 moves up reset, coil trundle 404 Reset is moved up under the action of coil reset spring 406, spool trundle 405 moves to right under the action of valve core reseting spring 407 It resets, connecting lever 402 is between coil trundle 404 and spool trundle 405 always, by coil trundle 404 and spool Trundle 405 is limited, and during coil trundle 404 and spool trundle 405 reset, connecting lever 402 also can be passive Completion reset.
In the present embodiment, the left cell wall interval of 402 hinge portion of connecting lever and 411 groove of ontology attachment base is arranged, so that 402 spool mating part of connecting lever can move to the side of the close reversing valve body 100 of 402 hinge axes of connecting lever, set in this way Setting is advantageous in that the second connecting lever section of connecting lever 402 can move back and forth between the left and right side of 402 hinge axes of connecting lever, subtracts The unilateral amplitude of fluctuation swung of small connecting lever 402, shortens the length of required 402 second connecting lever part of connecting lever.
From Fig. 3, it is apparent that when carrying out closing operation, fitting coils part and 402 hinge axes of connecting lever it Between distance L1 be greater than the distance between spool mating part and 402 hinge axes of connecting lever L2, in 300 driving force phase of closing coil With in the case where, the closing coil 300 in reversal valve of the present invention can provide bigger active force to change-over valve core 103, It solves existing reversal valve, in closing operation for the first time after reversal valve is not used for a long time, is subject to due to change-over valve core 103 Resistance is larger, the problem that closing coil 300 may be insufficient to the driving force of change-over valve core 103.
In the other embodiments of reversal valve of the present invention, can also individually it be arranged between opening coil and reversing valve body Above-mentioned reversal valve coil drive power amplification mechanism, can also be simultaneously between closing coil and reversing valve body and opening coil Above-mentioned reversal valve coil drive power amplification mechanism is set between reversing valve body.
In the other embodiments of reversal valve of the present invention, commutating coil and reversal valve can also be arranged in parallel, this In the case of the transmission arm be straight-bar, one end of straight-bar is hinged on ontology attachment base, reversal valve cloth parallel with commutating coil The same side for the straight-bar articulated position set, spool mating part and fitting coils part are by the different straight bar section shapes on straight-bar At.
In the other embodiments of reversal valve of the present invention, commutating coil and reversal valve can also be arranged in parallel, this In the case of the transmission arm be straight-bar, the middle section of straight-bar is hinged on ontology attachment base, spool mating part and coil Mating part is formed by the different straight bar sections on straight-bar.
In the other embodiments of reversal valve of the present invention, mechanism seat is also possible to the structure of integral type.
In the other embodiments of reversal valve of the present invention, coil trundle and spool trundle, connecting lever can also be not provided with Two connecting lever sections respectively directly with coil armature and change-over valve core Contact Transmission.
The specific embodiment of reversal valve coil drive power amplification of the present invention mechanism, reversal valve coil drive power amplification mechanism Structure is identical as the structure of reversal valve coil drive power amplification mechanism in any embodiment of aforementioned present invention reversal valve, no longer Repeated explanation.

Claims (5)

1. reversal valve coil drive power amplification mechanism, it is characterised in that: including mechanism seat, connecting lever, connecting lever are hinged on mechanism seat With and commutating coil the corresponding armature mating part of armature and spool mating part corresponding with the spool of reversal valve, armature The distance between mating part and connecting lever hinge axes are greater than the distance between spool mating part and connecting lever hinge axes, mechanism Seat includes ontology attachment base and coil mounting base, and the side along change-over valve core axial direction of reversing valve body is arranged in ontology attachment base On wall, the side of the close reversing valve body of coil mounting base is ridden upon by screw on the top surface of ontology attachment base, coil peace The a lateral edge change-over valve core axially extended ontology attachment base top surface of the separate reversing valve body of seat is filled, the connecting lever includes mutual Vertical the first connecting lever part and the second connecting lever part, the armature mating part is by the connecting lever section shape on the first connecting lever part At the spool mating part is formed by the connecting lever section on the second connecting lever part, the connection of the first and second connecting lever part of connecting lever Place is hinged on the ontology attachment base, ontology attachment base along side wall of the change-over valve core axially away from reversing valve body Open up fluted, connecting lever is hinged on being parallel on the cell wall of change-over valve core axis of groove, and spool mating part is in groove Interior, the cell wall interval setting of connecting lever hinge portion and groove is turned so that groove has to move to for the spool mating part The recess space of the side of the close reversing valve body of arm hinge axes, guiding is equipped with and change-over valve core on ontology attachment base Coaxial spool trundle, one end of the separate reversing valve body of spool trundle and the spool mating part form pushing tow Cooperation.
2. reversal valve coil drive power amplification according to claim 1 mechanism, it is characterised in that: ontology attachment base and spool Spool returning spring is equipped between trundle.
3. reversal valve coil drive power amplification according to claim 1 mechanism, it is characterised in that: be oriented in coil mounting base It is equipped with the coil trundle coaxial with commutating coil armature, one end of the separate commutating coil of coil trundle and the rank Iron mating part forms pushing tow cooperation.
4. reversal valve coil drive power amplification according to claim 3 mechanism, it is characterised in that: coil mounting base and coil Coil returning spring is equipped between trundle.
5. reversal valve, the commutating coil including reversing valve body and for controlling the movement of the change-over valve core in reversing valve body, It is characterized by: being equipped with commutating coil driving force amplification mechanism, the commutating coil between commutating coil and reversing valve body Driving force amplification mechanism is the described in any item reversal valve coil drive power amplification mechanisms of the claims 1 to 4.
CN201611132044.5A 2016-12-09 2016-12-09 Reversal valve coil drive power amplification mechanism and reversal valve Active CN106763895B (en)

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CN201611132044.5A CN106763895B (en) 2016-12-09 2016-12-09 Reversal valve coil drive power amplification mechanism and reversal valve

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Application Number Priority Date Filing Date Title
CN201611132044.5A CN106763895B (en) 2016-12-09 2016-12-09 Reversal valve coil drive power amplification mechanism and reversal valve

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CN106763895B true CN106763895B (en) 2019-03-12

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1291750A (en) * 1969-12-11 1972-10-04 Bosch Gmbh Robert Multi-way fluid control valve
US4527590A (en) * 1982-08-30 1985-07-09 Eaton Corporation A.C. solenoid three way pilot valve
CN201539457U (en) * 2009-10-29 2010-08-04 宁波市博尔法液压有限公司 Ball-type electromagnetic directional valve
CN202851985U (en) * 2012-10-10 2013-04-03 深圳市隆瑞科技有限公司 On-off valve for portable sprayer
CN203614808U (en) * 2013-10-25 2014-05-28 宁波明启液压机械有限公司 Ball type electromagnetic reversing valve
CN104948811A (en) * 2014-03-26 2015-09-30 姚丽 Three-position four-way electromagnetic directional valve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1291750A (en) * 1969-12-11 1972-10-04 Bosch Gmbh Robert Multi-way fluid control valve
US4527590A (en) * 1982-08-30 1985-07-09 Eaton Corporation A.C. solenoid three way pilot valve
CN201539457U (en) * 2009-10-29 2010-08-04 宁波市博尔法液压有限公司 Ball-type electromagnetic directional valve
CN202851985U (en) * 2012-10-10 2013-04-03 深圳市隆瑞科技有限公司 On-off valve for portable sprayer
CN203614808U (en) * 2013-10-25 2014-05-28 宁波明启液压机械有限公司 Ball type electromagnetic reversing valve
CN104948811A (en) * 2014-03-26 2015-09-30 姚丽 Three-position four-way electromagnetic directional valve

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