CN102996861B - Electromagnetic pilot-operated type high pressure double-channel control valve - Google Patents
Electromagnetic pilot-operated type high pressure double-channel control valve Download PDFInfo
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- CN102996861B CN102996861B CN201210512802.1A CN201210512802A CN102996861B CN 102996861 B CN102996861 B CN 102996861B CN 201210512802 A CN201210512802 A CN 201210512802A CN 102996861 B CN102996861 B CN 102996861B
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Abstract
The invention discloses an electromagnetic pilot-operated type high pressure double-channel control valve which is hermetically assembled by three valve bodies sequentially. The left valve body is connected with an electromagnetic valve. Meanwhile, a work gas inlet, an atmosphere channel and a left high pressure gas chamber are further arranged. The left high pressure gas chamber is intermittently connected with the work gas inlet and the atmosphere channel through the electromagnetic valve, respectively. The middle valve body is provided with a gas inlet and a first gas outlet. The right valve body is provided with a second gas outlet and a right high pressure gas chamber. The middle valve body and the right valve body are provided with left and right stepped shaft valve cores which become thinner gradually from outside to inside. The small end faces of the left and right stepped shaft valve cores are contacted with a sealed sphere. The work gas inlet is communicated with the left and right high pressure gas chambers respectively through two channels. The high pressure gas entering from to the work gas inlet is normally open. The thrusts applied to the left and right stepped shaft valve cores are always different by controlling the valve core of the electromagnetic valve to push the sealed sphere left and right to switch connection between the gas inlet and the first gas outlet or between the gas inlet and the second gas outlet.
Description
Technical field
The present invention relates to the control gear of pressurized gas or liquid, particularly a kind of electromagnetic pilot type high-pressure two vent control valves.
Background technique
In pressurized air and Hydraulic Field, often encounter the demand for control of 1 input source to 2 delivery outlet outputs.General device must adopt 2 solenoid valves, 2 pneumatic actuators and 2 high-pressure ball valves to cooperatively interact, and just can reach the object that Shi Ge road is opened or closed.2 high-pressure ball valves are respectively by solenoid valve and its switching of pneumatic actuator control.Wherein a high-pressure ball valve is closed, and another high-pressure ball valve is opened, now, a turnover gas channel connection, another turnover gas channel enclosed, pressurized gas or liquid enter in follow-up system and work through the passage being communicated with.Owing to needing to interconnect, install with pipeline between input source, delivery outlet and valve, therefore it exists that structure is numerous and diverse, volume is larger, because being 90 °, high-pressure ball valve rotarily opens mode, therefore Sealing easily weares and teares needs often maintenance, in the time that this part of system requirements is arranged in regulation space, there is the shortcoming that cannot use in this kind of mode.
The applicant's formerly granted patent ZL200710113084X, denomination of invention is electromagnetic pilot-operated two-position three-way valve, this valve is a kind of control valve special for pressurized gas dry decontamination device, wherein can only flow to direction of passage from the gas of suction port input, in the tower drier being connected with passage, gas can flow to emptying passage under control action.Therefore this valve does not possess the function that 1 input source circulates respectively to 2 delivery outlets under control action.In addition, this valve is not established separately the work suction port of controlling steel ball working state, but directly utilizes the system gas of inlet, outlet as work air inlet, and in the time that the pressure of system gas is on the low side, working state just can not set up, and causes this valve normally to work.
The function of above-mentioned existing solenoid valve, pneumatic actuator and high-pressure ball valve can be become one, to overcome above-mentioned shortcoming, extensively retrieve for this problem, not yet find that there is the relevant solution to this problem.
Summary of the invention
The object of the present invention is to provide a kind of electromagnetic pilot type high-pressure two vent control valves that the function of two cover solenoid valves, pneumatic actuator and high-pressure ball valve is become one, the shortcoming that while not only overcoming the use that existing control valve exists, parts are too numerous and diverse, external connecting pipe road is many, and solved the problem of existing electromagnetic pilot-operated two-position three-way valve function singleness, unstable working condition.
The object of the invention is to be achieved by the following technical programs, a kind of electromagnetic pilot type high-pressure two vent control valves, to seal and be assembled successively by left side valve body, center valve body and right side valve body, the mangetic core assembly of left side valve body and solenoid valve is sealed and matched, it is characterized in that: on the valve body of left side, offer work suction port, plasmas channel and left plenum chamber, left plenum chamber by passage through solenoid valve respectively with work suction port, plasmas channel discontinuous UNICOM, center valve body is provided with system suction port and the first air outlet, right side valve body is provided with the second air outlet and right plenum chamber, center valve body and right hand valve axon are to offering respectively left spool chamber and right spool chamber, left spool chamber and left plenum chamber UNICOM, right spool chamber and right plenum chamber UNICOM, in described left spool chamber and right spool chamber, insert respectively left multidiameter shaft spool and right multidiameter shaft spool, between left spool chamber and right spool chamber by with left valve seat, right valve seat is connected with a middle cover with cavity, the cavity of described middle cover be equipped with control system suction port respectively with the first air outlet, the spheroid of the second air outlet discontinuous UNICOM, system suction port coordinates with the cavity UNICOM of middle cover, left, right valve seat has and a left side, coaxial and the cavity that connects of right spool chamber, left, the cavity of right valve seat and the cavity of middle cover connect, left, the little left side certainly, one end of right multidiameter shaft valve core diameter, the cavity of right valve seat stretches into and contacts with described spheroid, the cavity of described left valve seat is through left spool chamber and the first air outlet UNICOM, the cavity of right valve seat is through right spool chamber and the second air outlet UNICOM, described work suction port is through passage and right plenum chamber UNICOM.
In order to realize better goal of the invention, the further technological scheme of the present invention also comprises following characteristics:
Outer section of thick inner segment of described left and right multidiameter shaft spool is thin, and outer section of left and right multidiameter shaft spool coordinates with left and right spool chamber slipper seal.
The diameter of described left multidiameter shaft spool large end face is greater than the diameter of right multidiameter shaft spool large end face.
Radially offering and the pore of right spool chamber UNICOM of described right valve seat, the cavity of right valve seat is through described pore, right spool chamber and the second air outlet UNICOM.
In described left plenum chamber and right plenum chamber, be equipped with damping spring, the large end face of described left and right multidiameter shaft spool is located in one end of damping spring.
The cavity hatch place of described left and right valve seat arranges the conical surface, coordinates with the sphere of middle cover interior spheroid.
Discontinuous UNICOM described in technological scheme refers to a circuit UNICOM in two circuits, and another circuit seals simultaneously.
As can be seen from the above technical solutions, valve body of the present invention is provided with two gas-entered passageways, the gas of two passages is not connected, each one-tenth system, can mutually not interfere, utilize that two existing thrust in multidiameter shaft spool two ends is poor promotes that spheroid is opened or the passage of shutdown system suction port and the connection of different air outlets, the poor generation of multidiameter shaft spool two end thrusts is by electromagnetic valve core control.Compared with prior art tool has the following advantages:
1, compact structure, volume is little, multiple functional, easy to use, and interchangeability is strong, and because the on-off action of valve port in the present invention is all axial motion, without wearout parts, therefore serviceability is strong, failure rate is low, is more convenient for safeguarding.
2, can in gas and Hydraulic Field, be widely used, the gas of adaptation circulation or the pressure range of liquid are wide, reach as high as 45Mpa, and work air inlet separates with system gas, ensures the stability of working state.
3, control mode is simple, regulates setting accuracy high, closes or open arbitrary passage very convenient.
4, save a lot of parts, reduce user cost.
Brief description of the drawings
Fig. 1 is the structural representation of electromagnetic pilot type high-pressure two vent control valves of the present invention;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the partial enlarged drawing in Fig. 1.
Embodiment
As Fig. 1, shown in Fig. 2, electromagnetic pilot type high-pressure two vent control valves provided by the present invention are by left side valve body 9, center valve body 14 and right side valve body 17 successively combination seal assemble and are bolted and connect into an overall structure, left side valve body 9 connected electromagnetic valves 1, left side valve body 9 is sealed and matched with the mangetic core assembly of solenoid valve 1, left side valve body 9 offers work suction port 10, plasmas channel 3 and left plenum chamber 12, left plenum chamber 12 is by passage 22, valve core of the electromagnetic valve hole 11, passage 8 and work suction port 10 UNICOMs, left plenum chamber 12 is by passage 22, solenoid valve 1 and plasmas channel 3 UNICOMs, take a UNICOM with two circuits of left plenum chamber 12 UNICOMs, the discontinuous UNICOM mode that another seals simultaneously, the break-make of circuit is controlled by the dead electricity that obtains of solenoid valve 1, electromagnetic valve core 2 in solenoid valve 1 is realized left plenum chamber 12 by promotion solenoid valve steel ball 4 seal faces and is communicated or communicate with plasmas channel 3 with work inlet hole 10, in the time of solenoid valve 1 dead electricity, electromagnetic valve core 2 shrinks, passage 8 and passage 22 UNICOMs, and working gas enters left plenum chamber 12 from work suction port 10 by valve core of the electromagnetic valve hole 11, and the interior formation pressure of left plenum chamber 12 produces thrust to left multidiameter shaft 13, when solenoid valve 1 when electric, electromagnetic valve core 2 stretches out, passage 8 is sealed by solenoid valve steel ball 4 with passage 22, pressurized gas cannot enter left plenum chamber 12, now plasmas channel 3 and passage 22 UNICOMs, left plenum chamber 12 communicates with atmosphere, and the working gas in left plenum chamber 12 with high pressure enters atmosphere, is now zero to the thrust of left multidiameter shaft 13.Center valve body 14 is provided with system suction port 15 and the first air outlet 21, right side valve body 17 is provided with the second air outlet 19, center valve body 14 and right side valve body 17 are axially offered respectively left spool chamber 5 and right spool chamber 6, left spool chamber 5 and left plenum chamber 12 UNICOMs, right spool chamber 6 and right plenum chamber 33 UNICOMs, left spool chamber 5 and interior left multidiameter shaft spool 13 and the right multidiameter shaft spool 16 of inserting respectively of right spool chamber 6, the diameter of left multidiameter shaft spool 13 large end faces is greater than the diameter of right multidiameter shaft spool 16 large end faces, between left spool chamber 5 and right spool chamber 6, pass through left, right valve seat 28, 30 are connected with a middle cover 29 with cavity, the cavity of middle cover 29 be equipped with control system suction port 15 respectively with the first air outlet 21, the spheroid 20 of the second air outlet 19 discontinuous UNICOMs, suction port 15 coordinates with the cavity UNICOM of middle cover 29, left valve seat 28 has cavity 23 coaxial with left spool chamber 5 and that connect, right valve seat 30 has cavity 24 coaxial with right spool chamber 6 and that connect, left valve seat 28, the cavity of right valve seat 30 all connects with the middle cover of placing spheroid, left valve seat 28 is stretched into respectively in left multidiameter shaft spool 13 and the little one end of right multidiameter shaft spool 16 diameters, the cavity 23 of right valve seat 30, in 24, left valve seat 28, the cavity hatch of right valve seat 30 arranges the conical surface, coordinate with the sphere of spheroid 20, the small end face of left multidiameter shaft spool 13 withstands steel ball 20 after stretching into the cavity 23 of left valve seat 28, the small end face of right multidiameter shaft spool 16 withstands steel ball 20 after stretching into the cavity 24 of right valve seat 30, left and right multidiameter shaft spool 13, 16 seal left valve seat 28 by promoting steel ball 20, the end surface taper hole of right valve seat 30 is realized the flow direction of controlling gas in suction port 15.Shown in Fig. 3, the cavity 23 of left valve seat is through left spool chamber 5 and the first air outlet 21 UNICOMs, radially offering and the pore 30a of right spool chamber 6 UNICOMs of right valve seat 30, the cavity 24 of right valve seat 30 is through pore 30a, right spool chamber 6 and the second air outlet 19 UNICOMs, outer section of thick inner segment of left and right multidiameter shaft spool 13,16 is thin, and outer section of left and right multidiameter shaft spool 13,16 coordinates with left and right spool chamber 5,6 slipper seals.
Work suction port 10 is through passage 7,25,27,32 and right plenum chamber 33 UNICOMs, passage 25 outer ends arrange screw plug 26, passage 32 outer ends arrange screw plug 31, in left plenum chamber 12 and right plenum chamber 33, be respectively equipped with damping spring 35,34, the outer end of right plenum chamber 33 arranges screw plug 18, the large end face of left multidiameter shaft spool 13 is located in one end of damping spring 35, and the large end face of right multidiameter shaft spool 16 is located in one end of damping spring 34.
According to above structure, can find out that its working procedure is as follows:
Shown in Fig. 1 is that solenoid valve 1 is in obtaining electricity condition, electromagnetic valve core 2 stretches out downwards, the cylinder of electromagnetic valve core 2 promotes solenoid valve steel ball 4 and seals lower end surface, make left plenum chamber 12 and the work inlet hole 10 cannot UNICOM, left plenum chamber 12 is now by passage 22 and passage 3 and atmosphere UNICOM, working gas in left plenum chamber 12 enters atmosphere, cannot form thrust to left multidiameter shaft 13.The working gas (more than 3mpa) being entered by work inlet hole 10 can only enter right plenum chamber 33 by passage 7,25,27,32, working gas promotes right multidiameter shaft 16, steel ball 20 by the taper hole sealing on valve seat 28 end faces, now suction port 15 is by cavity 24, right spool chamber 6 and second air outlet 19 UNICOMs of valve seat 30, if now there is gas to enter from suction port 15, can enters follow-up system and work from the second air outlet 19.
When solenoid valve 1 is in power failure state, electromagnetic valve core 2 upwards shrinks, the working gas with certain pressure intensity promotes solenoid valve steel ball 4 sealed upper end faces, left plenum chamber 12 is blockaded with atmosphere with left inlet hole 10 UNICOMs, the working gas (more than 3mpa) now being entered by work suction port 10 enters left plenum chamber 12 by passage 8, valve core of the electromagnetic valve hole 11 and passage 22, enters right plenum chamber 33 by passage 7,25,27,32 simultaneously.And the large end face area S of left multidiameter shaft spool 13
1be greater than the large end face area S of right multidiameter shaft spool 16
2, the suffered thrust F of left multidiameter shaft spool 13
1=PS
1, and the suffered thrust of right multidiameter shaft spool 16 is F
2=PS
2, F
1> F
2so left multidiameter shaft spool 13 promotes steel ball 20 by the taper hole sealing on valve seat 30 end faces, now suction port 15, by cavity 23, left spool chamber 5 and first air outlet 21 UNICOMs of valve seat 28, if now there is gas to enter from suction port 15, can enters follow-up system and work from the first air outlet 21.
In figure, valve body has two-way gas-entered passageway, the pressurized gas that enter from work suction port 10 are to supply with the work of two paths control valve to use, these pressurized gas are normal opens, by controlling valve core of the electromagnetic valve, the suffered thrust of left and right multidiameter shaft spool has difference all the time, just can realize the switching of suction port 15 and the first air outlet 21 or the second air outlet 19 UNICOMs by left and right promotion sealed steel ball 20.The gas entering from suction port 15 is to need the system gas controlled, if solenoid valve 1 dead electricity enters follow-up system and works from the first air outlet 21 according to system gas described in B above; If solenoid valve 1 electric, enter follow-up system and work from the second air outlet 19 according to system gas described in A above.
When system, delivery outlet long output time need to be arranged to the first air outlet 21, solenoid valve can keep power failure state for a long time and not affect working life of solenoid valve like this.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction; Any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, be equal to replacements, equivalence change and modify, all still belong to technical solution of the present invention protect scope in.
Claims (7)
1. electromagnetic pilot type high-pressure two vent control valves, to seal and be assembled successively by left side valve body, center valve body and right side valve body, the mangetic core assembly of left side valve body and solenoid valve is sealed and matched, it is characterized in that: on the valve body of left side, offer work suction port, plasmas channel and left plenum chamber, left plenum chamber by passage through solenoid valve respectively with work suction port, plasmas channel discontinuous UNICOM, center valve body is provided with system suction port and the first air outlet, right side valve body is provided with the second air outlet and right plenum chamber, center valve body and right hand valve axon are to offering respectively left spool chamber and right spool chamber, left spool chamber and left plenum chamber UNICOM, right spool chamber and right plenum chamber UNICOM, in described left spool chamber and right spool chamber, insert respectively left multidiameter shaft spool and right multidiameter shaft spool, between left spool chamber and right spool chamber by with left valve seat, right valve seat is connected with a middle cover with cavity, the cavity of described middle cover be equipped with control system suction port respectively with the first air outlet, the spheroid of the second air outlet discontinuous UNICOM, system suction port coordinates with the cavity UNICOM of middle cover, left, right valve seat has and a left side, coaxial and the cavity that connects of right spool chamber, left, the cavity of right valve seat and the cavity of middle cover connect, left, the little left side certainly, one end of right multidiameter shaft valve core diameter, the cavity of right valve seat stretches into and contacts with described spheroid, the cavity of described left valve seat is through left spool chamber and the first air outlet UNICOM, the cavity of right valve seat is through right spool chamber and the second air outlet UNICOM, described work suction port is through passage and right plenum chamber UNICOM.
2. a kind of electromagnetic pilot type high-pressure two vent control valves according to claim 1, is characterized in that: outer section of thick inner segment of described left and right multidiameter shaft spool is thin, and outer section of left and right multidiameter shaft spool coordinates with left and right spool chamber slipper seal.
3. a kind of electromagnetic pilot type high-pressure two vent control valves according to claim 1 and 2, is characterized in that: the diameter of described left multidiameter shaft spool large end face is greater than the diameter of right multidiameter shaft spool large end face.
4. a kind of electromagnetic pilot type high-pressure two vent control valves according to claim 1, is characterized in that: radially the offering and the pore of right spool chamber UNICOM of described right valve seat, the cavity of right valve seat is through described pore, right spool chamber and the second air outlet UNICOM.
5. a kind of electromagnetic pilot type high-pressure two vent control valves according to claim 1, is characterized in that: in described left plenum chamber and right plenum chamber, be equipped with damping spring, the large end face of described left and right multidiameter shaft spool is located in one end of damping spring.
6. a kind of electromagnetic pilot type high-pressure two vent control valves according to claim 1, is characterized in that: the cavity hatch place of described left and right valve seat arranges the conical surface, coordinate with the sphere of middle cover interior spheroid.
7. a kind of electromagnetic pilot type high-pressure two vent control valves according to claim 1, is characterized in that: described discontinuous UNICOM refers to a circuit UNICOM in two circuits, and another circuit seals simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210512802.1A CN102996861B (en) | 2012-12-05 | 2012-12-05 | Electromagnetic pilot-operated type high pressure double-channel control valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210512802.1A CN102996861B (en) | 2012-12-05 | 2012-12-05 | Electromagnetic pilot-operated type high pressure double-channel control valve |
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| Publication Number | Publication Date |
|---|---|
| CN102996861A CN102996861A (en) | 2013-03-27 |
| CN102996861B true CN102996861B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210512802.1A Active CN102996861B (en) | 2012-12-05 | 2012-12-05 | Electromagnetic pilot-operated type high pressure double-channel control valve |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113418045B (en) * | 2021-06-07 | 2022-07-29 | 北京理工伺服科技有限公司 | High-temperature-resistant electromagnetic valve |
| CN114046368B (en) * | 2021-12-19 | 2024-09-27 | 江苏辉河包装机械有限公司 | Three-way high-pressure gas distribution valve device |
| CN114893613B (en) * | 2022-04-07 | 2024-11-19 | 方正阀门集团股份有限公司 | Double electromagnetic self-operated axial flow cut-off valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309945A (en) * | 1992-09-09 | 1994-05-10 | Kabushiki Kaisha Neriki | Valve assembly for gas cylinder |
| CN101162059A (en) * | 2007-11-03 | 2008-04-16 | 蚌埠市方正教育设备有限公司 | Electromagnetic pilot type high-pressure two-position three-port valve |
| CN101430013A (en) * | 2008-11-03 | 2009-05-13 | 王晓福 | Double-control thermostatic controller |
| CN203036012U (en) * | 2012-12-05 | 2013-07-03 | 蚌埠方正气体净化设备有限公司 | Electromagnetism pilot-operated type high pressure two channel control valve |
-
2012
- 2012-12-05 CN CN201210512802.1A patent/CN102996861B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309945A (en) * | 1992-09-09 | 1994-05-10 | Kabushiki Kaisha Neriki | Valve assembly for gas cylinder |
| CN101162059A (en) * | 2007-11-03 | 2008-04-16 | 蚌埠市方正教育设备有限公司 | Electromagnetic pilot type high-pressure two-position three-port valve |
| CN101430013A (en) * | 2008-11-03 | 2009-05-13 | 王晓福 | Double-control thermostatic controller |
| CN203036012U (en) * | 2012-12-05 | 2013-07-03 | 蚌埠方正气体净化设备有限公司 | Electromagnetism pilot-operated type high pressure two channel control valve |
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Address after: Double Pier Road 233000 Anhui city of Bengbu province Huaishang District No. 2688 Applicant after: BENGBU FANGZHENG GAS PURIFICATION EQUIPMENT CO., LTD. Address before: Double Pier Road 233000 Anhui city of Bengbu province Huaishang District No. 2688 Applicant before: Bengbu Fangzheng Gas Purification Equipment Co., Ltd. |
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