CN208951389U - A kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve - Google Patents
A kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve Download PDFInfo
- Publication number
- CN208951389U CN208951389U CN201821691187.4U CN201821691187U CN208951389U CN 208951389 U CN208951389 U CN 208951389U CN 201821691187 U CN201821691187 U CN 201821691187U CN 208951389 U CN208951389 U CN 208951389U
- Authority
- CN
- China
- Prior art keywords
- gas
- armature
- air deflector
- flow
- hole
- 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.)
- Active
Links
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valves, including air deflector；Flow-guiding channel is offered on the air deflector；The air deflector includes opposite two sides, and the flow-guiding channel penetrates through the opposite two sides of the air deflector.The air deflector further includes the side adjacent with opposite two sides, and the tangential gas flow guiding hole of several connection flow-guiding channels is offered on the side.Combined liquid gas two-phase fluid delicate metering spray solenoid valve provided by the utility model, gas enter flow-guiding channel from tangential gas flow guiding hole and form swirling eddy, and liquid enters flow-guiding channel from an opening of flow-guiding channel.In flow-guiding channel, swirling eddy and fluid friction realize the rotation mixing of liquids and gases, make liquid gas two-phase mixtures more evenly, the atomizing effect of liquid is more preferable.
Description
Technical field
The utility model relates to spraying fields more particularly to a kind of combined liquid gas two-phase fluid delicate metering to be sprayed electromagnetism
Valve.
Background technique
Many fields need for liquids and gases to be mixed to form by spraying, such as the fuel oil and engine of combustion system of engine
The urea liquid etc. of tail gas discharge system.Liquid gas mixed atomizing is especially suitable for high viscosity heavy oil in aviation flights such as unmanned aerial vehicles
It is applied on device.The atomization quality of liquid gas blowout mist, which is improved, all has great application potential and economic value in numerous areas, and passes
The problem that generally there are liquid gas two-phase mixtures is uneven for the electromagnetism valve nozzle of system, atomizing effect is poor.
Utility model content
The purpose of this utility model is to provide a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valves, to solve
The certainly non-uniform problem of liquid gas two-phase mixtures.
For this purpose, the utility model uses following technical scheme:
A kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve, including air deflector；It is opened up on the air deflector
There is flow-guiding channel；The air deflector includes opposite two sides, and the flow-guiding channel penetrates through the opposite two sides of the air deflector；
The air deflector further includes the side adjacent with opposite two sides, is offered described in several connections on the side
The tangential gas flow guiding hole of flow-guiding channel.
Optionally, the tangential gas flow guiding hole and the flow-guiding channel are tangent, and each tangential gas flow guiding hole is in
Sustained height；Several tangential gas flow guiding hole annulars are distributed on the side.
Optionally, the spray solenoid valve further includes shell, driving assembly and ejection assemblies；The air deflector, driving group
Part and ejection assemblies are mounted on the shell；
The ejection assemblies include spool and valve seat；The valve seat is fixedly connected with the shell, and the spool includes spool
Column and valve core head；
The bottom surface of the valve seat offers spout, and the top surface of the valve seat offers the valve seat orifice for penetrating through the spout；Institute
The second end for stating spool column passes through the valve seat orifice, is fixedly connected with the valve core head；The spool column is slidably connected the valve
Bore；The valve core head and the spout constitute Laval nozzle structure.
Optionally, the inner hollow of the spool column forms spool chamber, and the spool chamber penetrates through the top surface of the spool column；
The spool column is recessed towards the part of the valve core head to the central axes of spool column, is formed between injection between the valve seat orifice
Gap；
The bottom of the spool chamber is equipped with several eddy flow slots, and each eddy flow slot is connected to the injection gap and the spool
Chamber.
Optionally, the driving component includes magnetic shield, and the magnetic shield is fixedly connected with the shell；The magnetic shield
Inner hollow is formed every magnetic cavity, the top and bottom that the magnetic shield is penetrated through every magnetic cavity；
The bottom of the air deflector is protruded into described every in magnetic cavity；It is described every being also fixed with main shaft in magnetic cavity；The main shaft
Armature is equipped between the air deflector, the armature is slidably connected described every magnetic cavity；It is set between the armature and the main shaft
Flexible part；
The main shaft is fixedly connected with the valve seat；The armature is fixedly connected with the first end of the spool column, the valve
The second end of stem sequentially passes through the armature, main shaft and valve seat, is fixedly connected with the valve core head；The spool column sliding connects
Connect the main shaft and valve seat.
Optionally, flux sleeve is arranged on the magnetic shield, the flux sleeve is fixedly connected with the shell；The flux sleeve
Internal diameter be greater than the magnetic shield outer diameter, between the magnetic shield and the flux sleeve formed magnetic conduction chamber；
The top of the magnetic conduction chamber is equipped with end cap；The end cap fixing sleeve is set on the magnetic shield, is fixedly connected described
Flux sleeve；The bottom of the magnetic conduction chamber is equipped with magnetic conductive part；The magnetic conductive part fixing sleeve is set on the magnetic shield, is fixedly connected with institute
State flux sleeve.
Optional drive is equipped with bobbin between the end cap and the magnetic conductive part；The bobbin fixing sleeve is set to described
On magnetic shield；Driving coil is wound on the bobbin, the driving coil is electrically connected with electrode slice；
The first O-ring is also arranged on the magnetic shield；The second O-ring and heat insulation loop are also arranged on the valve seat；
The end cap, flux sleeve, magnetic conductive part, main shaft, armature and spool material be soft-magnetic stainless steel.
Optionally, the opposite two sides of the air deflector is respectively top and bottom；The side of the air deflector is equipped with
Annular air deflector protrusion, the annular water conservancy diversion protrusion are located at the lower section in the tangential gas flow guiding hole；The flow-guiding channel includes
Liquid guide flow slot, gas-liquid mixed are the same as diameter chamber and gas-liquid mixed reducing chamber；
The liquid guide flow slot is opened on the top surface of the air deflector, and the gas-liquid mixed penetrates through institute with the top surface of diameter chamber
State the slot bottom of liquid guide flow slot, the gas-liquid mixed is the top surface of the gas-liquid mixed reducing chamber, the gas with the bottom surface of diameter chamber
The bottom surface of liquid mixing reducing chamber penetrates through the bottom surface of the air deflector.
Optionally, the liquid guide flow slot is dovetail groove, and notch area is greater than slot bottom area；The gas-liquid mixed is the same as diameter chamber
A cascaded surface is formed with the slot bottom of the liquid guide flow slot；Each tangential gas flow guiding hole is connected to the same diameter of gas-liquid mixed
Chamber, it is tangent with diameter chamber with the gas-liquid mixed；The area of the top surface of the gas-liquid mixed reducing chamber is greater than the area of bottom surface.
Optionally, armature slot is offered on the bottom surface of the armature, the slot bottom of the armature slot is provided with the perforation armature
Top surface armature hole；The area in the armature hole is less than the area of the armature slot, the armature slot and armature hole composition one
Shoulder hole structure；The first end of the spool column is arranged in the armature hole, is fixedly connected with the armature hole；
The spindle hole for penetrating through the top and bottom of the main shaft, the shape and rank of the spindle hole are offered on the main shaft
The shape of metal trough matches；The spool column is arranged in the spindle hole, is slidably connected with the spindle hole；
The area of the valve seat orifice is less than the area of spindle hole, and the valve seat orifice and spindle hole form a shoulder hole structure；
The shape of the valve seat orifice is matched with the shape of the spool column；
The elastic component is spring；The spring pocket is set on the spool column, and is located in the spindle hole；The bullet
The first end of spring contradicts the cascaded surface between the armature slot and armature hole, the second end of the spring contradict the spindle hole and
Cascaded surface between valve seat orifice.
Compared with prior art, the utility model has the following beneficial effects:
Combined liquid gas two-phase fluid delicate metering spray solenoid valve provided by the utility model, gas are led from tangential gas
Discharge orifice enters flow-guiding channel and forms swirling eddy, and liquid enters flow-guiding channel from an opening of flow-guiding channel.In flow-guiding channel,
Swirling eddy and fluid friction realize the rotation mixing of liquids and gases, make liquid gas two-phase mixtures more evenly, the atomization effect of liquid
Fruit is more preferable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of spray solenoid valve provided by the embodiment of the utility model.
Fig. 2 is the structural schematic diagram of air deflector provided by the embodiment of the utility model.
Fig. 3 is another structural schematic diagram of air deflector provided by the embodiment of the utility model.
Fig. 4 is another structural schematic diagram of spray solenoid valve provided by the embodiment of the utility model.
Fig. 5 is the structural schematic diagram and sectional view of ejection assemblies provided by the embodiment of the utility model.
It illustrates: 10, air deflector；11, flow-guiding channel；111, liquid guide flow slot；112, gas-liquid mixed is the same as diameter chamber；113,
Gas-liquid mixed reducing chamber；12, tangential gas flow guiding hole；13, annular air deflector protrusion；20, shell；30, driving assembly；301,
One O-ring；31, magnetic shield；32, main shaft；33, armature；34, elastic component；35, flux sleeve；351, magnetic conductive part；36, end cap；37,
Bobbin；38, driving coil；39, electrode slice；40, ejection assemblies；401, the second O-ring；402, heat insulation loop；41, valve seat；
411, spout；42, spool；421, spool column；4211, spool chamber；4212, gap is sprayed；4213, eddy flow slot；422, valve core head.
Specific embodiment
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only the utility model a part of the embodiment, and not all embodiment.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts all other with the embodiment in novel
Embodiment is fallen within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " on ", "lower", "top", "bottom", "inner", "outside" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.It should be noted that when a component is considered as " even
Connect " another component, it can be directly to another component or may be simultaneously present the component being centrally located.
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The present embodiment provides a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valves, and liquid gas two-phase can be made abundant
Mixing, obtains being sprayed for nano sized particles.
Please refer to Fig. 1.The combined liquid gas two-phase fluid delicate metering spray solenoid valve include air deflector 10, shell 20,
Driving assembly 30 and ejection assemblies 40.Air deflector 10, driving assembly 30 and ejection assemblies 40 are mounted on shell 20.In Fig. 1
Filled arrows be gas flow, hollow arrow be liquid flow to.
Each structure is described in detail below.
Please refer to Fig. 2 and Fig. 3.Air deflector 10 includes opposite two sides (top and bottom of air deflector 10 in Fig. 3), water conservancy diversion
The flow-guiding channel 11 of perforation opposing sides is offered on device 10.Air deflector 10 further includes the side adjacent with opposing sides.Side
The tangential gas flow guiding hole 12 of several connection flow-guiding channels 11 is offered on face.
Tangential gas flow guiding hole 12 and flow-guiding channel 11 are tangent.Hollow arrow in Fig. 2 is liquid flow direction, and filled arrows are
Gas flow.Gas enters the formation swirling eddy of flow-guiding channel 11 from tangential gas flow guiding hole 12, and liquid is from air deflector 10
Top surface enters flow-guiding channel 11.In flow-guiding channel 11, the rotation mixing of liquid, gas is realized in swirling eddy and fluid friction.
Specifically, air deflector is cylindrical structure.Flow-guiding channel 11 includes liquid guide flow slot 111, gas-liquid mixed with diameter chamber 112
With gas-liquid mixed reducing chamber 113.Liquid guide flow slot 111 is opened on the top surface of air deflector 10, top of the gas-liquid mixed with diameter chamber 112
Face penetrate through liquid guide flow slot 111 slot bottom, gas-liquid mixed with diameter chamber 112 bottom surface be gas-liquid mixed reducing chamber 113 top surface, gas
The bottom surface of the bottom surface perforation air deflector 10 of liquid mixing reducing chamber 113.
Liquid guide flow slot 111 is dovetail groove, and notch area is greater than slot bottom area.Gas-liquid mixed is led with diameter chamber 112 with liquid
Chute 111 forms a cascaded surface.Tangential gas flow guiding hole 12 is connected to gas-liquid mixed with diameter chamber 112, with gas-liquid mixed with diameter chamber 112
It is tangent.The top surface area of gas-liquid mixed reducing chamber 113 is greater than base area.
In the present embodiment, tangential gas flow guiding hole 12 is 3-9, and annular is distributed on the side of air deflector 10.Respectively cut
Sustained height is in gas flow guiding hole 12.The shape in tangential gas flow guiding hole 12 can be square hole, circular hole or elliptical aperture etc..
By the design of air deflector 10, liquids and gases can be made to be sufficiently mixed, and under liquid gas mixture is accurately imported
One process.
For the installation convenient for air deflector 10, the side of air deflector 10 is equipped with annular air deflector protrusion 13.Annular air deflector
Protrusion 13 is located at the lower section in tangential gas flow guiding hole 12.
Please refer to Fig. 4.Driving assembly 30 includes magnetic shield 31, and magnetic shield 31 is fixed at the inside of shell 20, magnetic shield
31 both ends are stretched out from the top and bottom of shell 20 respectively.The inner hollow of magnetic shield 31 is formed every magnetic cavity, is penetrated through every magnetic cavity
The top and bottom of magnetic shield 31.
The bottom of air deflector 10 is protruded into from the top surface every magnetic cavity every in magnetic cavity, and annular air deflector protrusion 13 is placed in magnetic shield
31 top surface is installed on air deflector 10 on magnetic shield 31.
Every being also fixed with main shaft 32 in magnetic cavity.Between main shaft 32 and air deflector 10 be equipped with armature 33, armature 33 can every
It is slided up and down in magnetic cavity.Elastic component 34 is equipped between armature 33 and main shaft 32.
Flux sleeve 35 is arranged on magnetic shield 31, flux sleeve 35 is fixed at the inside of shell 20.The internal diameter of flux sleeve 35
Greater than the outer diameter of magnetic shield 31, magnetic conduction chamber is formed between magnetic shield 31 and flux sleeve 35.
The top of magnetic conduction chamber is equipped with end cap 36.End cap 36 is sheathed on magnetic shield 31, is fixedly connected with magnetic shield 31 and magnetic conduction
Set 35.The bottom of magnetic conduction chamber is equipped with magnetic conductive part 351, and magnetic conductive part 351 is sheathed on magnetic shield 31, is fixedly connected with magnetic shield 31 and leads
Magnetosheath 35.Magnetic conductive part 351 and flux sleeve 35 are an integral molding structure.
Bobbin 37 is equipped between end cap 36 and magnetic conductive part 351.Bobbin 37 is sheathed on magnetic shield 31, is fixedly connected and is led
Magnetic part 351.A toroid ring recess is offered on the annular surface of bobbin 37, is wound with driving coil 38 in toroid ring recess.It drives
38 electrode electrically connected piece 39 of moving winding.
End cap 36, flux sleeve 35, magnetic conductive part 351, main shaft 32, armature 33 and magnetic shield 31 constitute magnetic loop.Electrode slice 39
Electric drive circuit is constituted with driving coil 38.
When electrode slice 39 is plus control signal, driving coil 38 is powered, and armature 33 is by downward electromagnetic force court
It is mobile close to the direction of main shaft 32, and then open spray solenoid valve and compress elastic component 34.When controlling blackout, driving
Coil 38 powers off, and elastic component 34 resets, and it is mobile towards the direction for deviating from main shaft 32 by upward power to make armature 33, and then make spraying
Solenoid valve is closed.
Specifically, the power supply notch outstanding of pole piece 39 is offered on flux sleeve 35, convenient for the electrical connection driving line of electrode slice 39
Circle 38.
Please refer to 4 and Fig. 5.Ejection assemblies 40 include spool 42 and valve seat 41.The top of valve seat 41 is protruded into every magnetic cavity, with master
The bottom of axis 32 is fixedly connected.
Spool 42 includes spool column 421 and valve core head 422, and the first end of spool column 421 is fixedly connected with armature 33, spool
The second end of column 421 sequentially passes through armature 33, main shaft 32 and valve seat 41, is fixedly connected with valve core head 422.Spool column 421 slides
Connect main shaft 32 and valve seat 41.
Specifically, offering armature slot on the bottom surface of armature 33, the slot bottom of armature slot is provided with the top surface of perforation armature 33
Armature hole, the area in armature hole are less than the area of armature slot, so that armature slot and armature hole form a shoulder hole structure.Spool column
421 first end is arranged in armature hole, is fixedly connected with armature hole.
The spindle hole of the top and bottom of perforation main shaft 32, the shape of spindle hole and the shape of armature slot are offered on main shaft 32
Shape matching.Spool column 421 is arranged in spindle hole, is slidably connected with spindle hole.
The bottom surface of valve seat 41 offers spout 411, and the top surface of valve seat 41 offers the valve seat orifice of perforation spout 411.Valve seat
The area in hole is less than the area of spindle hole, so that valve seat orifice and spindle hole form a shoulder hole structure.The shape and valve of valve seat orifice
The shape of stem 421 matches.
Elastic component 34 is spring.Spring pocket is set on spool column 421, is located in spindle hole.The first end of spring contradicts rank
Cascaded surface between metal trough and armature hole, the second end of spring contradict the cascaded surface between spindle hole and valve seat orifice.
Specifically, the bottom surface of main shaft 32 offers main shaft mounting groove.The top surface center projections of valve seat 41 form valve seat first
The top surface of protrusion, the first protrusion of valve seat and valve seat 41 forms the first cascaded surface of valve seat, and the bottom surface of magnetic shield 31 is fixedly connected with valve seat
First cascaded surface.The center projections of the first protrusion of valve seat form the second protrusion of valve seat, and the second protrusion of valve seat is embedded in main shaft mounting groove
In.The slot bottom of spindle hole perforation main shaft mounting groove.The top surface of valve seat orifice perforation the second protrusion of valve seat.
The inner hollow of spool column 421 forms spool chamber 4211, and spool chamber 4211 penetrates through the top surface of spool column 421.Spool
Column 421 is recessed towards the part of valve core head 422 to the central axes of spool column 421, and injection gap 4212 is formed between valve seat orifice,
The bottom of spool chamber 4211 is equipped with several eddy flow slots 4213, each connection of eddy flow slot 4213 injection gap 4212 and spool chamber 4211.
Liquid gas mixture is flow in spool chamber 4211 from the gas-liquid mixed reducing chamber 113 of air deflector 10, and passes through eddy flow slot
4213 flow to injection gap 4212.Eddy flow slot 4213 aggravates the turbulence state of liquid gas mixture, and gas-liquid two-phase further mixes
Uniformly.
Specifically, the quantity of eddy flow slot 4213 is 3-8, multiple eddy flow slots 4213 surround 360 ° of axis of spool column 421
Equal part distribution, forms eddy flow trend.The direction of eddy flow slot 4213 is not directly toward the axis of spool column 421, but and spool
The axis of column 421 forms pre-determined tilt angle, which is 5-20 °.
Valve core head 422 is set at the spout 411 of 41 bottom surface of valve seat.When armature 33 is in initial position, valve core head 422 is blocked
Spout 411, at this point, external pressure is higher than the pressure in injection gap 4212, spray solenoid valve is closed.
Band movable valve plug column 421 moves down when armature 33 is driven shifting under the influence of moving winding 38, and then moves down valve core head 422,
Laval nozzle structure is formed between valve core head 422 and spout 411.At this point, the pressure in injection gap 4212 is greater than external pressure
By force.Under the action of Laval nozzle structure, it is spraying to obtain nano sized particles with high speed ejection for liquid gas mixture.
The flow that can control spout 411 to spray by the electromagnetic states of power control driving coil 38, can specifically pass through
Adjustment driving input pulsewidth, duty ratio etc. obtain corresponding flow.
Specifically, valve core head 422 is ball valve core print.Spout 411 is dovetail groove spout, the notch of dovetail groove spout 411
Area is greater than slot bottom area.The cell wall of dovetail groove spout and the spherical surface of ball valve core print constitute the Lavalle first shunk and expanded afterwards and spray
Pipe structure.
In the present embodiment, magnetic shield 31 offers annular magnetic shield slot from the annular surface that the top surface of shell 20 is stretched out,
The first O-ring 301 is arranged in annular magnetic shield slot.Ring-shaped valve seats seal groove, annular plate valve are offered on the annular surface of valve seat 41
The second O-ring 401 is arranged in seat seal groove.First O-ring 301 and the second O-ring 401 make spray solenoid valve during installation
Good seal.
It is also provided with ring-shaped valve seats heat dam below ring-shaped valve seats seal groove, is arranged in ring-shaped valve seats heat dam heat-insulated
Ring 402.Heat insulation loop 402 is for preventing engine cylinder head temperature from reaching valve seat 41.
Specifically, end cap 36, flux sleeve 35, magnetic conductive part 351, main shaft 32, armature 33 and spool 42 material be soft magnetism not
Become rusty steel.Air deflector 10, valve seat 41, magnetic shield 31 and spring material be stainless steel.Spool 42 selects soft-magnetic stainless steel, then spool
42 can also be mobile by the effect in magnetic field, further increases the opening and closing effect of spray solenoid valve.
The material of shell 20, heat insulation loop 402 and bobbin 37 is engineering plastics.First O-ring 301 and the second O-ring 401
Material be rubber.
Combined liquid gas two-phase fluid delicate metering spray solenoid valve provided in this embodiment, passes through the tangential of air deflector 10
Gas flow guiding hole 12 forms swirling eddy, makes the rotation mixing of liquid gas two-phase；Liquid gas two-phase is mixed further by eddy flow slot 4213
It closes uniformly, makes liquid gas mixture with high speed ejection spray orifice by Laval nozzle structure, it is spraying to obtain nano sized particles.The spraying electricity
The effect of magnet valve be advantageous to combustion system of engine fuel oil and engine exhaust emission system urea solution metering with
Atomization.
The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve, which is characterized in that including air deflector；The water conservancy diversion
Flow-guiding channel is offered on device；The air deflector includes opposite two sides, and the flow-guiding channel penetrates through the opposite of the air deflector
Two sides；
The air deflector further includes the side adjacent with opposite two sides, and several connections are offered on the side of the air deflector
The tangential gas flow guiding hole of the flow-guiding channel.
2. a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve according to claim 1, which is characterized in that
The tangential gas flow guiding hole and the flow-guiding channel are tangent, and each tangential gas flow guiding hole is in sustained height；Several institutes
Tangential gas flow guiding hole annular is stated to be distributed on the side of the air deflector.
3. a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve according to claim 1, which is characterized in that
It further include shell, driving assembly and ejection assemblies；The air deflector, driving assembly and ejection assemblies are mounted on the shell
On；
The ejection assemblies include spool and valve seat；The valve seat is fixedly connected with the shell, the spool include spool column and
Valve core head；
The bottom surface of the valve seat offers spout, and the top surface of the valve seat offers the valve seat orifice for penetrating through the spout；The valve
Stem includes opposite first end and the second end, and the second end passes through the valve seat orifice, is fixedly connected with the valve core head；Institute
Spool column is stated to be slidably connected the valve seat orifice；The valve core head and the spout constitute Laval nozzle structure.
4. a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve according to claim 3, which is characterized in that
The inner hollow of the spool column forms spool chamber, and the spool chamber penetrates through the top surface of the spool column；The spool column direction
The part of the valve core head is recessed to the central axes of spool column, and injection gap is formed between the valve seat orifice；
The bottom of the spool chamber is equipped with several eddy flow slots, and each eddy flow slot is connected to the injection gap and the spool chamber.
5. a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve according to claim 3, which is characterized in that
The driving component includes magnetic shield, and the magnetic shield is fixedly connected with the shell；The inner hollow of the magnetic shield formed every
Magnetic cavity, the top and bottom that the magnetic shield is penetrated through every magnetic cavity；
The bottom of the air deflector is protruded into described every in magnetic cavity；It is described every being also fixed with main shaft in magnetic cavity；The main shaft and institute
It states and is equipped with armature between air deflector, the armature is slidably connected described every magnetic cavity；Bullet is equipped between the armature and the main shaft
Property part；
The main shaft is fixedly connected with the valve seat；The armature is fixedly connected with the first end of the spool column, the spool column
The second end sequentially pass through the armature, main shaft and valve seat, be fixedly connected with the valve core head；The spool column is slidably connected institute
State main shaft and valve seat.
6. a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve according to claim 5, which is characterized in that
Flux sleeve is arranged on the magnetic shield, the flux sleeve is fixedly connected with the shell；The internal diameter of the flux sleeve is greater than described
The outer diameter of magnetic shield；
End cap is fixed between the top of the flux sleeve and the magnetic shield；The bottom of the flux sleeve and the magnetic shield
Between be fixed with magnetic conductive part.
7. a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve according to claim 6, which is characterized in that
Bobbin is equipped between the end cap and the magnetic conductive part；The bobbin fixing sleeve is set on the magnetic shield；The coil
Driving coil is wound on frame, the driving coil is electrically connected with electrode slice；
The first O-ring is also arranged on the magnetic shield；The second O-ring and heat insulation loop are also arranged on the valve seat；
The end cap, flux sleeve, magnetic conductive part, main shaft, armature and spool material be soft-magnetic stainless steel.
8. a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve according to claim 1, which is characterized in that
The air deflector is cylindrical structure；The opposite two sides of the air deflector is respectively top and bottom；The side of the air deflector
It is equipped with annular air deflector protrusion, the annular water conservancy diversion protrusion is located at the lower section in the tangential gas flow guiding hole；
The flow-guiding channel includes liquid guide flow slot, gas-liquid mixed with diameter chamber and gas-liquid mixed reducing chamber；The liquid guide flow slot
It is opened on the top surface of the air deflector, the gas-liquid mixed penetrates through the slot bottom of the liquid guide flow slot, institute with the top surface of diameter chamber
The bottom surface that gas-liquid mixed is stated with diameter chamber is the top surface of the gas-liquid mixed reducing chamber, and the bottom surface of the gas-liquid mixed reducing chamber penetrates through
The bottom surface of the air deflector.
9. a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve according to claim 8, which is characterized in that
The liquid guide flow slot is dovetail groove, and notch area is greater than slot bottom area；The gas-liquid mixed is the same as diameter chamber and the liquid guide flow
The slot bottom of slot forms a cascaded surface；Each tangential gas flow guiding hole is connected to the gas-liquid mixed with diameter chamber, mixes with the gas-liquid
Contract diameter chamber is tangent；The area of the top surface of the gas-liquid mixed reducing chamber is greater than the area of bottom surface.
10. a kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve according to claim 5, feature exist
In offering armature slot on the bottom surface of the armature, the slot bottom of the armature slot is provided with the armature for penetrating through the top surface of the armature
Hole；The area in the armature hole is less than the area of the armature slot, and the armature slot and armature hole form a shoulder hole structure；Institute
The first end for stating spool column is arranged in the armature hole, is fixedly connected with the armature hole；
The spindle hole for penetrating through the top and bottom of the main shaft, the shape and armature slot of the spindle hole are offered on the main shaft
Shape matching；The spool column is arranged in the spindle hole, is slidably connected with the spindle hole；
The area of the valve seat orifice is less than the area of spindle hole, and the valve seat orifice and spindle hole form a shoulder hole structure；It is described
The shape of valve seat orifice is matched with the shape of the spool column；
The elastic component is spring；The spring pocket is set on the spool column, and is located in the spindle hole；The spring
First end contradicts the cascaded surface between the armature slot and armature hole, and the second end of the spring contradicts the spindle hole and valve seat
Cascaded surface between hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691187.4U CN208951389U (en) | 2018-10-18 | 2018-10-18 | A kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691187.4U CN208951389U (en) | 2018-10-18 | 2018-10-18 | A kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208951389U true CN208951389U (en) | 2019-06-07 |
Family
ID=66742086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821691187.4U Active CN208951389U (en) | 2018-10-18 | 2018-10-18 | A kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208951389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027391A (en) * | 2018-10-18 | 2018-12-18 | 广西卡迪亚科技有限公司 | A kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve |
-
2018
- 2018-10-18 CN CN201821691187.4U patent/CN208951389U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027391A (en) * | 2018-10-18 | 2018-12-18 | 广西卡迪亚科技有限公司 | A kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1302813C (en) | High pressure vortex injector | |
| US5114077A (en) | Fuel injector end cap | |
| US4040569A (en) | Electro-magnetic fuel injection valve | |
| CN110748447B (en) | Low-power-consumption driving gas metering valve for auxiliary injection of fuel gas of heavy oil piston engine | |
| US4805837A (en) | Injector with swirl chamber return | |
| CN209549752U (en) | A kind of integration liquid-gas two-phase flow body delicate metering spray solenoid valve | |
| EP1042604A1 (en) | Flat needle for pressurized swirl fuel injector | |
| CN107091362B (en) | Coaxial double-electromagnetic fuel gas injection valve with adjustable cross-sectional flow area | |
| CN208951389U (en) | A kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve | |
| CN109013083A (en) | A kind of integration liquid-gas two-phase flow body delicate metering spray solenoid valve | |
| CN209549753U (en) | A kind of liquid-gas two-phase flow body delicate metering spray solenoid valve | |
| JPH02256980A (en) | Solenoid valve | |
| CN208951390U (en) | A kind of big flow liquid-gas two-phase flow body delicate metering spray solenoid valve | |
| CN109027391A (en) | A kind of combined liquid gas two-phase fluid delicate metering spray solenoid valve | |
| CN109092582A (en) | A kind of liquid-gas two-phase flow body delicate metering spray solenoid valve | |
| CN107420228B (en) | Bypass type axially-inlet external guide gas injection valve | |
| CN102996309A (en) | High-pressure common rail oil sprayer | |
| US6170762B1 (en) | Cylinder injection type fuel injection valve | |
| CN110537015B (en) | Fuel injection valve | |
| JPS61272460A (en) | Electromagnetic type fuel injection valve | |
| CN206966019U (en) | Slide disconnected glue glue dispensing valve | |
| EP1482170B1 (en) | Injection nozzle with an improved injection function and method for producing an injection nozzle | |
| CN108138718A (en) | Fuel injection valve | |
| CA1302812C (en) | Injector with swirl chamber return | |
| CN107061059B (en) | Bypass type mixed air inlet external guide gas injection valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Combined type liquid-gas two-phase fluid precision-metering spray electromagnetic valve Effective date of registration: 20200305 Granted publication date: 20190607 Pledgee: Nanning United Innovation Venture Capital Co., Ltd. Pledgor: Guangxi Kadiya Technology Co. Ltd. Registration number: Y2020450000006 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211202 Granted publication date: 20190607 Pledgee: Nanning United Innovation Venture Capital Co.,Ltd. Pledgor: GUANGXI KADIYA TECHNOLOGY Co.,Ltd. Registration number: Y2020450000006 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |