CN206816386U - A kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type - Google Patents
A kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type Download PDFInfo
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- CN206816386U CN206816386U CN201720760694.8U CN201720760694U CN206816386U CN 206816386 U CN206816386 U CN 206816386U CN 201720760694 U CN201720760694 U CN 201720760694U CN 206816386 U CN206816386 U CN 206816386U
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- valve
- armature
- iron core
- valve element
- core
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Magnetically Actuated Valves (AREA)
Abstract
The purpose of this utility model is to provide a kind of adjustable actual internal area coaxial-type double electromagnetism fuel gas injection valves, by the structure controlled in double spool double electromagnet, realizes adjustable spray air flow.Air inlet and water conservancy diversion process are realized by bypass structure and water conservancy diversion cavity configuration；The control of valve element is realized by the control of actuator, the control of gas circuit, realizes air injection function；It is engaged by outer guide frame with internal diversion chamber, relief groove, ensures the perpendicularity of valve element, realize the steady operation of air-flow, reliably working, realize high response speed；By the axially mixed admission mode of the main direct air inlet of air drain and circumferential tonifying Qi gas inlet hole, big flow is realized, effectively improves the supply efficiency of engine, while air-flow can be avoided to interfere, realize the stabilization of gas circuit；By valve element and the multiple tracks zonary structure of valve base chamber, the face sealing of fuel gas injection valve, high reliability are realized.
Description
Technical field
The utility model relates to the combustion gas of a kind of fuel gas injection valve, specifically natural gas engine gas system
Injection valve.
Background technology
Problem of environmental pollution getting worse, discharge index require increasingly strict, demand of the in the market to high-power gas machine
Constantly increase.With the use of large-scale gas engine, manufacture, the maintenance and repair of key components and parts, which turn into, restricts gas
An important factor for development of engine, fuel gas injection valve are exactly such a key components and parts.Fuel gas injection valve is gaseous fuel electricity
One of kernel component of multi-point injection gas machine machine containing double fuel is controlled, each cylinder can be achieved and supply and enter qi leel by stages at regular time and quantity
Layer, its service behaviour have highly important influence to the dynamic property of gas machine or dual fuel engine, emission performance.Injection valve needs
Will under the bad working environments such as HTHP cumulative activation thousands of hours, and dismantle etc. maintenance work error can be caused progressively to accumulate,
Finally injection valve is caused to be difficult to debug.
Therefore, it is necessary to Development response speed is fast, control accuracy is high, good reliability, the adjustable big flow combustion gas of spray air flow
Injection valve, its negotiability is set to meet natural gas engine normal work demand at high load conditions.
The content of the invention
The purpose of this utility model be to provide fast response time, fuel gas injection it is stable, it is highly reliable, there is anti-reverse let out
Leak a kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type of function.
What the purpose of this utility model was realized in：
A kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type of the utility model, it is characterized in that：Including valve body,
Main electromagnet, secondary electromagnet, valve element assembly, valve rod, T-shaped armature, small valve core, valve seat, valve seat are fixed on below valve body, main
Electromagnet includes iron core and master reset spring, wound around coil and sets annular groove in iron core, secondary electromagnet includes secondary iron core
With secondary back-moving spring, secondary coil being wound in secondary iron core and annular groove is set, the upper end of secondary iron core and valve body is mutually fixed,
Iron core is located at the lower section of secondary iron core, and T-shaped armature is set between iron core and secondary iron core, and T-shaped armature upper surface sets annular groove,
Secondary back-moving spring is set between the annular groove of the annular groove of T-shaped armature and secondary iron core, and described valve element assembly includes rank
Iron, spring base, bottom plate, valve element, armature, bottom plate, valve element arrange while linked together by fastening bolt from top to bottom, spring
Seat forms annular groove outside the armature and between armature, the both ends of master reset spring be arranged in iron core annular groove and
In the annular groove of spring base, relief groove is set on bottom plate, seal band and rib are set on valve element, seal band forms ring
Chamber, outlet annulus and guide pad, guide pad is set be located at around valve element on valve seat, outlet annulus is located at ring cavity lower section, under ring cavity
Side sets gas outlet, and valve element upper surface opens up axially main air drain, circumferential tonifying Qi hole is provided with rib, and water conservancy diversion is set at tonifying Qi hole
Cone angle, upper end and the T-shaped armature of valve rod are mutually fixed, the lower end of valve rod sequentially pass through iron core, armature, bottom plate and valve element and with it is small
Valve element is mutually fixed, and small valve core is located on valve seat, and the valve seat below small valve core sets venthole.
The utility model can also include：
1st, small valve core and valve rod use nonmetallic materials.
2nd, when needing low discharge, secondary coil is powered, and T-shaped armature is overcome secondary back-moving spring by the effect of electromagnetic force
Pretightning force after band ovable valve stem move upwards, valve rod drive small valve core move upwards, venthole jet；When needing big flow,
Coil electricity, armature move upwards after the pretightning force for overcoming master reset spring is acted on by electromagnetic force, and armature drives whole valve
Core assembly moves upwards, gas outlet jet；When needing to close jet, coil and secondary coil power-off, armature and T-shaped armature
Moved downward respectively in the presence of master reset spring and secondary back-moving spring, until armature and T-shaped armature come back to initially
Position, jet terminate.
Advantage of the present utility model is：The utility model is realized by the structure controlled in double spool double electromagnet
Adjustable spray air flow.By opening internal diversion chamber at armature center and a number of relief groove being provided with bottom plate, keep away
Exempt from armature by axial force, make airline pressure inside and outside at armature be more easy to reach balance, improve armature response speed；The utility model
By opening circumferential tonifying Qi hole on four ribs of valve element, increase circulation area, reduce valve element quality, improve reliability.In valve element
The outlet annulus of certain angle is set at circumferential tonifying Qi hole, reduces flow losses, increases discharge coefficient.The utility model uses axle
To the direct air inlet of main air drain and the mixed admission mode of circumferential tonifying Qi gas inlet hole, increase charge flow rate coefficient, increase air inflow, together
When air-flow can be avoided to interfere, gas circuit is reached balance.It is effectively improved the supply efficiency of engine.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is valve element composite unit structure enlarged drawing of the present utility model；
Fig. 3 is that gas circuit of the present utility model moves towards schematic diagram；
Fig. 4 is valve core structure tomograph.
Embodiment
Illustrate below in conjunction with the accompanying drawings and the utility model is described in more detail：
With reference to Fig. 1-4, Fig. 1 is the overall knot of the double electromagnetism fuel gas injection valves of the adjustable actual internal area coaxial-type of the utility model
Structure schematic diagram, including valve body 1, main electromagnet, secondary electromagnet, valve rod 7, small valve core 12, T-shaped armature 6, valve element assembly 11,
Valve seat 14 4 is most of.Secondary iron core 2 is linked together by upper square thread and valve body 1.Main electromagnet is mainly by iron core 8, line
The composition of circle 9.The both sides of iron core 8 are provided with the annular groove of arrangement master reset spring 10, and valve element assembly 11 is arranged in the lower section of iron core 8.It is secondary
Level electromagnet is mainly made up of secondary iron core 2, secondary coil 3.It is characterized in that：The secondary both sides of iron core 2 are provided with the secondary reset of arrangement
The annular groove of spring 4, T-shaped armature 6 are arranged in the secondary lower section of iron core 2.Valve rod 7 is by fastening screw 5 and T-shaped armature 6, small valve
Core 12 is threadedly secured on valve rod 7 by the lower section of valve rod 7, ensures the perpendicularity of valve rod 7.Small valve core 12 is located at valve element assembly
11 centers, small valve core 12 and valve rod 7 use nonmetallic materials.The motion of small valve core 12 is carried out by valve rod 7 and main electromagnet
Positioning, carried out by the distance between T-shaped armature 6 and secondary electromagnet spacing.
Valve element assembly 11 shown in Fig. 2 mainly by armature 15, spring base 16, fastening bolt 20, pad 17, bottom plate 19,
Valve element 21 forms.It is characterized in that：Armature 15, pad 17, bottom plate 19 and valve element 21 are linked together by fastening bolt 20, spring
Seat 16 is arranged on bottom plate 19.Internal diversion chamber 29 is provided with armature 15, a number of relief groove is provided with bottom plate 19
18, avoid armature 15 from being made airline pressure inside and outside at armature 15 be more easy to reach balance by axial force, improve armature 15 and respond speed
Degree；Master reset spring 10 is between iron core 8 and spring base 16.
When needing compared with low discharge, secondary coil 3 is powered, and secondary iron core 2, T-shaped armature 6 are magnetized, secondary iron core 2 and T
Magnetic loop is formed between shape armature 6, T-shaped armature 6 drives after the pretightning force for overcoming secondary back-moving spring 4 is acted on by electromagnetic force
Valve rod 7 moves upwards.Valve rod 7 drives small valve core to move upwards, and magnetic valve small valve core 12 is opened, and is realized compared with low discharge jet.When
When needing larger flow, coil 9 is powered, and iron core 8, armature 15 are magnetized, and magnetic loop, armature are formed between iron core 8 and armature 15
15 the pretightning force for overcoming master reset spring 10 is acted on by electromagnetic force after move upwards, armature 15 drives whole valve element assembly
11 move upwards, and magnetic valve fully opens, and realizes larger flow jet.In whole motion process, the axial movement of armature 15 with
Cooperation between circumferentially positioned 4 guide pads 13 and valve element 21 by valve seat 35 is realized to control, until spring base 16
Upper surface is in contact with the lower surface of iron core 8.When needing closed electromagnetic valve, coil 9 and secondary coil 3 power off, armature 15 and T
The electromagnetic force that shape armature 6 is subject to disappears, and armature 15 and T-shaped armature 6 are respectively in master reset spring 10 and the work of secondary back-moving spring 4
Moved downward under, until armature 15 and T-shaped armature 6 come back to initial position, closed electromagnetic valve.In four ribs of valve element 21
2 circumferential tonifying Qi holes 24 are opened on 23 respectively, improve response speed, increase circulation area, while can also reduce quality, are improved reliable
Property.The outlet annulus 30 of certain angle is set at circumferential tonifying Qi hole 24, reduces flow losses, increases discharge coefficient.Using axle
To the mixed admission mode of main 39 direct air inlet of air drain and the circumferential air inlet of tonifying Qi hole 24, increase charge flow rate coefficient, increase air inlet
Amount, while air-flow can be avoided to interfere, gas circuit is reached balance.Outlet annulus 30 is used between valve element 21 and valve seat 35, face seals,
Voltage stabilizing balances, and wider annulus area can reduce impact, improves reliability.
As shown in figure 3, during low discharge jet, gas is vertically flowed into valve body 1 by air inlet 26, is flowed into along diversion cavity 27
Inside valve body 1, after secondary coil 3 is powered, small valve core 12 rises, and gas flows along internal diversion chamber 29 and relief groove 18
Enter the central space of valve element assembly 11, then flowed out by the venthole in center.During big flow jet, after coil 9 is powered, armature 15
Moved upwards after the pretightning force for overcoming master reset spring 10 is acted on by electromagnetic force, band movable valve plug 21 moves and valve seat 35 upwards
Surface is separated, and now, gas circuit is opened, and magnetic valve is opened, gas by axially main air drain 39 and circumferential tonifying Qi hole 24 mixed admission
Mode flows into, and by the ring cavity 28 of the crisscross distribution of multiple tracks, is finally vertically flowed out by gas outlet 31；Coil 9 powers off, armature 15 by
Electromagnetic force disappear, in the presence of the back-moving spring between iron core 8 and spring base 16, armature 15 moves downward, band movable valve plug
21 move downward, until the surface of valve element 21 is bonded with the surface of valve seat 35, return to initial position, gas circuit is closed, closed electromagnetic valve.
From the above-mentioned course of work, the double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type of institute's utility model,
By the structure controlled in double spool double electromagnet, adjustable spray air flow is realized.The utility model passes through at the center of armature 15
Open internal diversion chamber 29 and a number of relief groove 18 is provided with bottom plate 19, avoid armature 15 from being made by axial force
Airline pressure is more easy to reach balance inside and outside at armature 15, improves the response speed of armature 15；Week is opened on four ribs 23 of valve element 21
To the structure in tonifying Qi hole 24, increase circulation area, reduce the mass of valve element 21, improve reliability.In the circumferential tonifying Qi hole 24 of valve element 21
Place sets the outlet annulus 30 of certain angle, reduces flow losses, increases discharge coefficient.The utility model is using axially main air drain
39 direct air inlets and the mixed admission mode of the circumferential air inlet of tonifying Qi hole 24, increase charge flow rate coefficient, increase air inflow, while can
To avoid air-flow from interfering, gas circuit is set to reach balance.It is effectively improved the supply efficiency of engine.
The technical solution of the utility model：A kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type, it is by valve
Body, main electromagnet, secondary electromagnet, valve element assembly, valve rod, small valve core, valve seat four are most of to be formed.Main electromagnet and secondary
Electromagnet is linked together by square thread thereon with valve body.Main electromagnet is mainly made up of iron core, coil.Open iron core both sides
There is the annular groove of arrangement master reset spring, valve element assembly is arranged in below iron core.Valve element assembly is mainly by armature, spring
Seat, fastening bolt, pad, bottom plate, valve element composition.Armature, pad, bottom plate and valve element are linked together by fastening bolt, bullet
Spring abutment is arranged on bottom plate, and a number of relief groove is provided with bottom plate, internal diversion chamber is carried on armature.Back-moving spring
Between iron core and spring base.Open multiple circumferential tonifying Qi holes respectively on four ribs of valve element.Secondary electromagnet is mainly by secondary
Level iron core, secondary coil composition.Secondary iron core both sides are provided with the annular groove for arranging secondary back-moving spring, and T-shaped armature is arranged in secondary
Below level iron core.Valve rod by fixed screw and T-shaped armature, small valve core by being threadedly secured on valve rod below valve rod,
Ensure the perpendicularity of valve rod.Small valve core is located at valve element assembly center, and small valve core and valve rod use nonmetallic materials.Small valve core
Motion positioned by valve rod and main electromagnet, by the distance between T-shaped armature and secondary electromagnet carry out it is spacing.Valve
Core and valve base chamber say compression ring band, face sealing, voltage stabilizing balance using three, and have wider annulus area.Valve element is circumferentially solid
It is scheduled on 4 guide pads on valve seat, ensures its perpendicularity, valve element moves up and down is carried out by the distance between spring base and iron core
It is spacing.
Claims (3)
1. a kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type, it is characterized in that：Including valve body, main electromagnet, secondary
Level electromagnet, valve element assembly, valve rod, T-shaped armature, small valve core, valve seat, valve seat are fixed on below valve body, and main electromagnet includes
Iron core and master reset spring, wound around coil and annular groove is set in iron core, secondary electromagnet includes secondary iron core and secondary resetted
Spring, secondary coil is wound in secondary iron core and annular groove is set, the upper end of secondary iron core and valve body is mutually fixed, iron core positioned at time
The lower section of level iron core, T-shaped armature is set, T-shaped armature upper surface sets annular groove, T-shaped armature between iron core and secondary iron core
Secondary back-moving spring is set between the annular groove of annular groove and secondary iron core, described valve element assembly include armature, spring base,
Bottom plate, valve element, armature, bottom plate, valve element arrange while linked together by fastening bolt that spring base is located at armature from top to bottom
Outside simultaneously forms annular groove between armature, and the both ends of master reset spring are arranged in the annular groove of iron core and the ring of spring base
In shape groove, relief groove is set on bottom plate, seal band and rib are set on valve element, seal band forms ring cavity, set on valve seat
Outlet annulus and guide pad are put, guide pad is located at around valve element, and outlet annulus is located at below ring cavity, and outlet is set below ring cavity
Mouthful, valve element upper surface opens up axially main air drain, circumferential tonifying Qi hole is provided with rib, and diversion angle of cone, valve rod are set at tonifying Qi hole
Upper end mutually fixed with T-shaped armature, the lower end of valve rod sequentially passes through iron core, armature, bottom plate and valve element and mutually solid with small valve core
Fixed, small valve core is located on valve seat, and the valve seat below small valve core sets venthole.
2. a kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type according to claim 1, it is characterized in that：It is small
Valve element and valve rod use nonmetallic materials.
3. a kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type according to claim 1 or 2, its feature
It is：When needing low discharge, secondary coil is powered, and T-shaped armature is acted on the pretension for overcoming secondary back-moving spring by electromagnetic force
Band ovable valve stem moves upwards after power, and valve rod drives small valve core to move upwards, venthole jet；When needing big flow, coil leads to
Electricity, armature move upwards after the pretightning force for overcoming master reset spring is acted on by electromagnetic force, and armature drives whole valve element combination
Body moves upwards, gas outlet jet；When needing to close jet, coil and secondary coil power-off, armature and T-shaped armature exist respectively
Moved downward in the presence of master reset spring and secondary back-moving spring, until armature and T-shaped armature come back to initial position, spray
Depressed beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720760694.8U CN206816386U (en) | 2017-06-28 | 2017-06-28 | A kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720760694.8U CN206816386U (en) | 2017-06-28 | 2017-06-28 | A kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206816386U true CN206816386U (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720760694.8U Withdrawn - After Issue CN206816386U (en) | 2017-06-28 | 2017-06-28 | A kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206816386U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091362A (en) * | 2017-06-28 | 2017-08-25 | 哈尔滨工程大学 | A kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type |
| CN108869849A (en) * | 2018-09-12 | 2018-11-23 | 苏州丹顿机电有限公司 | A kind of electromagnetism check valve in adjustable cutoff direction |
| CN111795154A (en) * | 2020-06-24 | 2020-10-20 | 贵州新安航空机械有限责任公司 | Electromagnetic valve for urban rail vehicle gas circuit control system |
-
2017
- 2017-06-28 CN CN201720760694.8U patent/CN206816386U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091362A (en) * | 2017-06-28 | 2017-08-25 | 哈尔滨工程大学 | A kind of double electromagnetism fuel gas injection valves of adjustable actual internal area coaxial-type |
| CN108869849A (en) * | 2018-09-12 | 2018-11-23 | 苏州丹顿机电有限公司 | A kind of electromagnetism check valve in adjustable cutoff direction |
| CN111795154A (en) * | 2020-06-24 | 2020-10-20 | 贵州新安航空机械有限责任公司 | Electromagnetic valve for urban rail vehicle gas circuit control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171229 Effective date of abandoning: 20230609 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171229 Effective date of abandoning: 20230609 |