CN201650501U - Electrically-controlled spraying electromagnetic valve for vehicular gas fuel - Google Patents
Electrically-controlled spraying electromagnetic valve for vehicular gas fuel Download PDFInfo
- Publication number
- CN201650501U CN201650501U CN2009202611216U CN200920261121U CN201650501U CN 201650501 U CN201650501 U CN 201650501U CN 2009202611216 U CN2009202611216 U CN 2009202611216U CN 200920261121 U CN200920261121 U CN 200920261121U CN 201650501 U CN201650501 U CN 201650501U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- valve body
- nozzle
- catch
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Abstract
The utility model discloses an electrically-controlled spraying electromagnetic valve for vehicular gas fuel, which is characterized by comprising a valve body, a coil, a power socket, a valve core, an insulating sleeve, a retaining sheet, a valve seat, an air inlet nozzle, an air spraying nozzle, a valve sheet and a compression spring, wherein sealing washers are respectively arranged in the jointing surfaces between the valve seat and the retaining sheet, between the retaining sheet and the valve body, between the insulating sleeve and the valve core, between the air inlet nozzle and the valve seat and between the air spraying nozzle and the valve sat. The electrically-controlled spraying electromagnetic valve is used for supplying burnable gas fuel to an automobile engine so as to meet the requirement that the automobile uses the gas fuel.
Description
Technical field
The utility model relates to a kind of solenoid valve to motor car engine supply combustible fuel gas.
Background technique
One over 100 years, constantly development of world car industry, human society and economic progress have been played huge impetus, but, caused huge pollution to environment for human survival and atmosphere simultaneously also constantly consuming a large amount of petroleum-based energy (mainly being gasoline and diesel product).
In order to reduce and substitute limited petroleum resource consumption, constantly reduce motor vehicle emission the pollution that is caused, countries in the world are all adopted and have been developed vehicular gaseous propellant, wherein most importantly compressed natural gas (CNG), liquefied petroleum gas (LPG) (LPG) and hydrogen (H2).
China is also promoting the use of various vehicular gaseous propellants gradually over nearly 20 years, estimates that 20-30 also has bigger development from now on.
After entering twentieth century, with use vapour, the diesel fuel automobile is the same, add tight motor vehicle emission request of national standard in order to reach to bring in constant renewal in, strengthen power in order to obtain better Economy simultaneously, adopt the motor car engine of gaseous fuel also all to adopt the computer electronic control system, its core control part is computer electronic control unit (ECU), and most important executive component is gaseous fuel electric-controlled injection solenoid valve.
The effect of electric-controlled injection solenoid valve is the control command according to ECU, accurate precision with microsecond level (1 second=1000000 microsecond), the opening and closing electric spray valve, with in each cylinder admission line of motor, in certain sequence regularly, by milligram level (=1000 milligrams of 1 grams) precision gas jet fuel, make and start function under various operating modes, can both than under work at optimum air/fuel.Use the CNG gaseous fuel to be example, use after the electric spray valve of electric control system controls, can make operating fuel cost decline 30%-50%, exhaust emission reduces 50%-80%, has great economic benefit and social enviroment protection benefit.
But, can not be applicable to gaseous fuel for altogether the solenoid valve of gasoline or diesel oil to motor car engine in the past, therefore designing a kind of solenoid valve to motor car engine supply combustible fuel gas has become exigence.
Summary of the invention
The purpose of this utility model provides a kind of solenoid valve to motor car engine supply combustible fuel gas, to satisfy the needs of automobile using gases fuel.
In order to realize above-mentioned purpose, can adopt following technological scheme: the vehicular gaseous propellant electric-controlled injection solenoid valve of this programme comprises:
One valve body, this valve body are the sleeve of a circle, and the rear end of its endoporus is provided with one section female thread;
One coil, this coil are the sleeve of a circle, and its cylindrical is packed in valve body inner bore portion before, and the front-end face of its front-end face and valve body is on same plane, and there is an external cord its rear end;
One power socket, this power socket is a round basin shape of being made by elastic insulating material, the inner hole sleeve of circle basin is contained on the cylindrical of valve rear end, the top of circle basin has an acclivitous cylindrical pedestal, the upper end of this pedestal is provided with a blind hole, above-mentioned external cord from following insulating bush neutralizes this pedestal, pass and outside reach in the blind hole;
One spool, this spool rear portion is a disk, is shaped on the external screw thread that the female thread with the valve body inner bore rear end matches on the cylindrical of disk, the front portion of disk is connected with the circular shaft of a concentricity line; In the female threaded hole at valve body rear portion, stretch in the endoporus of coil by circular shaft with screw fit for this disk;
One insulating bush, this insulating bush are assemblied in the space between valve body, coil and the spool;
One catch, this catch are an oblate annular, and its diameter is identical with the external diameter of valve body front end, and it is assemblied on the front-end face of valve body with screw;
One valve seat, this valve seat comprise the disk that a diameter is identical with the external diameter of valve body front end, and the front portion of disk is connected with the square of a concentricity line, are provided with a blast nozzle female threaded hole in the front central of this square; Be provided with a slightly larger in diameter in the blind hole of catch diameter of bore at center, disk rear portion, the front-end face of blind hole is provided with a cylinder table of projection backward, and the front portion of cylinder table connects a frustum, the suitable distance of ear end face interbody spacer of the front-end face of frustum and valve seat; The center of this frustum and cylinder table be provided with one with the coaxial valve opening of aforesaid blast nozzle female threaded hole; In this blind hole, also be provided with an air inlet nozzle female threaded hole vertical with the valve seat vertical center line; The disk of this valve seat is assemblied in the front of valve body and catch with screw;
One air inlet nozzle, the central transverse axis of this air inlet nozzle is provided with inlet hole, and its middle part is flat six sides, and flat six sides' inboard connects the cover of an outer round belt external screw thread, air inlet nozzle female threaded hole in this external screw thread and the aforesaid valve seat matches, and flat six sides' the outside connects a nozzle; This air inlet nozzle is assemblied in the side of valve seat;
One blast nozzle, longitudinal center's axis of this blast nozzle is provided with spray orifice, and its middle part is flat six sides, and flat six sides' rear portion connects the cover of an outer round belt external screw thread, blast nozzle female threaded hole in this external screw thread and the aforesaid valve seat matches, and flat six sides' front portion connects a nozzle; This blast nozzle is assemblied in the front end of valve seat;
One valve block, this valve block are round sheet, it be contained in the blind hole in the valve seat and with this blind hole sliding fit; The Thickness Design of this valve block is: when the rear surface of valve block is attached to the front surface of catch, leave suitable gap between the surface after the front surface of valve block and the frustum in the valve seat;
One pressure spring, this pressure spring are contained between the ear end face of the front-end face of spool and valve block;
Between the junction plane between valve seat and catch, catch and valve body, insulating bush and spool, air inlet nozzle and valve seat and blast nozzle and the valve seat, one seal washer is housed respectively.
When the rear surface of valve block is attached to the front surface of catch, leave suitable gap preferably between the 0.4-0.6 millimeter between the surface after the front surface of valve block and the frustum in the valve seat.
Above-mentioned said " preceding " and " back " are defined as: blast nozzle outlet be before, and meanwhile opposite be after.
The working principle of above-mentioned solenoid valve is (referring to Fig. 1 and Fig. 2): with ECG send logical, disconnected control signal is converted to the left and right displacement of valve block 80, spray orifice opening and closing on the valve seat 90 realize the injection of gaseous fuel and stop to spray.
In the spray orifice size. spool stroke, under certain situation such as gas differential pressure, the gaseous fuel emitted dose just only depends on the spool opening time before and after the spray orifice.So by the determined different discharge time length of computer among the ECG, timing that just can clock like precision is quantitatively to certain cylinder injection desired gas fuel.
Its concrete working procedure is as follows:
1, gaseous fuel enters solenoid valve from the outer end of air inlet nozzle, and when coil was not switched on, valve block was shifted to right-hand member the valve port on the valve seat is sealed under the acting in conjunction of spring force and gas fuel pressure. and at this moment there is not gaseous fuel from electrically-controlled valve, to eject;
2, when EC G sends electric spray valve energising control command, coil electricity also produces magnetic field in electrically-controlled valve, under the effect of magnetic force, valve block overcomes spring pressure and gas pressure is shifted to left end rapidly, valve port is opened, and gaseous fuel ejects from the blast nozzle of solenoid valve;
3, when ECG sends electric spray valve outage control command, the coil coil blackout, magnetic field disappears, and under spring force and gas fuel pressure effect, valve block moves to right-hand member rapidly, and the spray orifice on the valve seat is closed again, and solenoid valve stops gaseous fuel and sprays.
The beneficial effects of the utility model are:
1, it has high switching speed.
Various motor car engine maximum speeds are about 3000-8000 rev/min, and phase shorter workweek of each solenoid valve break-make is about the 20-40 millisecond, and the shortest discharge time only is 5-10 millisecond (1 second=1000 milliseconds), and begin at every turn and close closed procedure only to be 1-2ms.
2, it can accurately control injection tolerance.
This solenoid valve can guarantee that the discharge time conformity reaches 0.1 Millisecond, has satisfied the requirement of conformity error≤5% of each cylinder working of motor.
3, the life-span of this solenoid valve long, can reach solenoid valve and open and close more than 600,000,000 times.
In order to make the utility model be convenient to understand, it is described further below by drawings and Examples with more clear.
Description of drawings
Fig. 1 is that schematic representation is looked on the right side of embodiment's 1 of the present utility model solenoid valve.Broken section wherein is that the B-B among Fig. 2 analyses and observe;
Fig. 2 is the AOA stagewise cutaway view schematic representation of Fig. 1.
Fig. 3 is that schematic representation is looked on the left side of Fig. 2.
Embodiment
Embodiment 1, referring to Fig. 1-Fig. 3.The solenoid valve A2 of present embodiment comprises:
One valve body 10, this valve body 10 is the sleeve of a circle, the rear end of its endoporus is provided with one section female thread;
One coil 50, this coil 50 is the sleeve of a circle, and its cylindrical is packed in valve body 10 endoporus portion before, and the front-end face of its front-end face and valve body 10 is on same plane, and there is an external cord 51 its rear end;
One power socket 40, this power socket 40 is a round basin shape of being made by elastic insulating material, the inner hole sleeve of circle basin is contained on the cylindrical of valve body 10 rear ends, the top of circle basin has an acclivitous cylindrical pedestal 41, the upper end of this pedestal 41 is provided with a blind hole 42, above-mentioned external cord 51 from these pedestals 41 of following insulating bush 150 neutralization, pass and outside reach in the blind hole 42;
One spool 20, these spool 20 rear portions are a disk, are shaped on the external screw thread that the female thread with valve body 10 endoporus rear ends matches on the cylindrical of disk, the front portion of disk is connected with the circular shaft of a concentricity line; In the female threaded hole at valve body 10 rear portions, stretch in the endoporus of coil 50 by circular shaft with screw fit for this disk;
One insulating bush 150, this insulating bush 150 are assemblied in the space between valve body 10, coil 50 and the spool 20;
One catch 60, this catch 60 is an oblate annular, and its diameter is identical with the external diameter of valve body 10 front ends, and it is assemblied on the front-end face of valve body 10 with screw 140;
One valve seat 90, this valve seat 90 comprise the identical disk of external diameter of a diameter and valve body 10 front ends, and the front portion of disk is connected with the square of a concentricity line, are provided with a blast nozzle female threaded hole 91 in the front central of this square; Be provided with the blind hole 92 of a slightly larger in diameter in the catch diameter of bore at center, disk rear portion, the front-end face of blind hole 92 is provided with a cylinder table 93 of projection backward, the front portion of cylinder table 93 connects a frustum 94, the suitable distance of ear end face interbody spacer of the front-end face of frustum 94 and valve seat 90; The center of this frustum 94 and cylinder table 93 is provided with a valve opening 95 coaxial with aforesaid blast nozzle female threaded hole 91; In this blind hole 92, also be provided with an air inlet nozzle female threaded hole 96 vertical with valve seat 90 vertical center lines; The disk of this valve seat 90 is assemblied in the front of valve body 10 and catch 60 with screw 70;
One air inlet nozzle 170, the central transverse axis of this air inlet nozzle 170 is provided with inlet hole 172, its middle part is flat six sides 173, flat six sides' 173 inboard connects the cover 174 of an outer round belt external screw thread, air inlet nozzle female threaded hole 91 in this external screw thread and the aforesaid valve seat 90 matches, and flat six sides' 173 the outside connects a nozzle 171; This air inlet nozzle 170 is assemblied in the side of valve seat 90;
One blast nozzle 110, longitudinal center's axis of this blast nozzle 110 is provided with spray orifice 112, its middle part is flat six sides 113, flat six sides' 113 rear portion connects the cover 114 of an outer round belt external screw thread, blast nozzle female threaded hole 91 in this external screw thread and the aforesaid valve seat 90 matches, and flat six sides' 113 front portion connects a nozzle 111; This blast nozzle 110 is assemblied in the front end of valve seat 90;
One valve block 80, this valve block 80 is a round sheet, it be contained in the blind hole in the valve seat 90 92 and with these blind hole 92 sliding fits; The Thickness Design of this valve block 80 is: when the rear surface of valve block 80 is attached to the front surface of catch 60, leave suitable gap between the surface after the frustum 94 in the front surface of valve block 80 and the valve seat 90, this gap is preferably between the 0.4-0.6 millimeter;
One pressure spring 160, this pressure spring 160 are contained between the ear end face of the front-end face of spool 20 and valve block 80;
Between the junction plane between valve seat 90 and catch 60, catch 60 and valve body 10, insulating bush 150 and spool 20, air inlet nozzle 140 and valve seat 90 and blast nozzle 110 and the valve seat 90, one seal washer 130,120,30,180,170 is housed respectively.
Only be the preferred embodiment of the utility model below, but it does not limit practical range of the present utility model, the equivalent variations and the modification that promptly do not depart from claim of the present utility model and done must belong to the protection domain of the utility model.
Claims (2)
1. vehicular gaseous propellant electric-controlled injection solenoid valve is characterized in that comprising:
One valve body, this valve body are the sleeve of a circle, and the rear end of its endoporus is provided with one section female thread;
One coil, this coil are the sleeve of a circle, and its cylindrical is packed in valve body inner bore portion before, and the front-end face of its front-end face and valve body is on same plane, and there is an external cord its rear end;
One power socket, this power socket is a round basin shape of being made by elastic insulating material, the inner hole sleeve of circle basin is contained on the cylindrical of valve rear end, the top of circle basin has an acclivitous cylindrical pedestal, the upper end of this pedestal is provided with a blind hole, above-mentioned external cord from following insulating bush neutralizes this pedestal, pass and outside reach in the blind hole;
One spool, this spool rear portion is a disk, is shaped on the external screw thread that the female thread with the valve body inner bore rear end matches on the cylindrical of disk, the front portion of disk is connected with a coaxial circular shaft; In the female threaded hole at valve body rear portion, stretch in the endoporus of coil by circular shaft with screw fit for this disk;
One insulating bush, this insulating bush are assemblied in the space between valve body, coil and the spool; One catch, this catch are an oblate annular, and its diameter is identical with the external diameter of valve body front end, and it is assemblied on the front-end face of valve body with screw;
One valve seat, this valve seat comprise the disk that a diameter is identical with the external diameter of valve body front end, and the front portion of disk is connected with the square of a concentricity line, are provided with a blast nozzle female threaded hole in the front central of this square; Be provided with a slightly larger in diameter in the blind hole of catch diameter of bore at center, disk rear portion, the front-end face of blind hole is provided with a cylinder table of projection backward, and the front portion of cylinder table connects a frustum, the suitable distance of ear end face interbody spacer of the front-end face of frustum and valve seat; The center of this frustum and cylinder table be provided with one with the coaxial valve opening of aforesaid blast nozzle female threaded hole; In this blind hole, also be provided with an air inlet nozzle female threaded hole vertical with the valve seat vertical center line; The disk of this valve seat is assemblied in the front of valve body and catch with screw;
One air inlet nozzle, the central transverse axis of this air inlet nozzle is provided with inlet hole, and its middle part is flat six sides, and flat six sides' inboard connects the cover of an outer round belt external screw thread, air inlet nozzle female threaded hole in this external screw thread and the aforesaid valve seat matches, and flat six sides' the outside connects a nozzle; This air inlet nozzle is assemblied in the side of valve seat;
One blast nozzle, longitudinal center's axis of this blast nozzle is provided with spray orifice, and its middle part is flat six sides, and flat six sides' rear portion connects the cover of an outer round belt external screw thread, blast nozzle female threaded hole in this external screw thread and the aforesaid valve seat matches, and flat six sides' front portion connects a nozzle; This blast nozzle is assemblied in the front end of valve seat;
One valve block, this valve block are round sheet, it be contained in the blind hole in the valve seat and with this blind hole sliding fit; The Thickness Design of this valve block is: when the rear surface of valve block is attached to the front surface of catch, leave suitable gap between the surface after the front surface of valve block and the frustum in the valve seat;
One pressure spring, this pressure spring are contained between the ear end face of the front-end face of spool and valve block;
Between the junction plane between valve seat and catch, catch and valve body, insulating bush and spool, air inlet nozzle and valve seat and blast nozzle and the valve seat, one seal washer is housed respectively.
2. vehicular gaseous propellant electric-controlled injection solenoid valve according to claim 1, it is characterized in that when the rear surface of valve block is attached to the front surface of catch leaving suitable gap between the surface after the front surface of valve block and the frustum in the valve seat is between the 0.4-0.6 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202611216U CN201650501U (en) | 2009-12-02 | 2009-12-02 | Electrically-controlled spraying electromagnetic valve for vehicular gas fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202611216U CN201650501U (en) | 2009-12-02 | 2009-12-02 | Electrically-controlled spraying electromagnetic valve for vehicular gas fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650501U true CN201650501U (en) | 2010-11-24 |
Family
ID=43115734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202611216U Expired - Fee Related CN201650501U (en) | 2009-12-02 | 2009-12-02 | Electrically-controlled spraying electromagnetic valve for vehicular gas fuel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650501U (en) |
-
2009
- 2009-12-02 CN CN2009202611216U patent/CN201650501U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201650502U (en) | Automobile gas fuel electronic-controlled injection electromagnetic valve | |
| CN102705120B (en) | Dual-fuel electric control monomer ejector | |
| CN102003317B (en) | Gasoline direct spray oil sprayer | |
| CN105545555B (en) | A kind of nozzle for realizing dual fuel injection | |
| CN202718789U (en) | Dual-fuel electric-controlled single injector | |
| CN204783409U (en) | Oil spraying device | |
| CN111336048A (en) | Fuel injector for realizing diesel/natural gas dual-fuel injection | |
| CN201650501U (en) | Electrically-controlled spraying electromagnetic valve for vehicular gas fuel | |
| CN201650500U (en) | Electromagnetic valve for jetting automobile gas fuel by electrical control | |
| CN201215055Y (en) | Double-fuel inlet manifold of automobile engine | |
| CN103644048A (en) | Directly operated type natural gas injection solenoid valve of dual-fuel engine | |
| CN101307741B (en) | Engine fuel cylinder inner direct ejection device | |
| CN201513255U (en) | Gas common rail device of dual-fuel combined power vehicle | |
| CN105485397A (en) | Electromagnetic valve for regulating gas flow | |
| CN110905703A (en) | Dual-fuel injector | |
| CN101397949B (en) | Gas control injector for compression hydrogen vehicle | |
| CN211777779U (en) | Fuel injector for realizing diesel/natural gas dual-fuel injection | |
| CN211874632U (en) | Large-flow small-return-oil common-rail oil injector for ship and power generation | |
| CN204900135U (en) | Engine gaseous fuel direct injection injection nozzle | |
| CN201288619Y (en) | Gas control injector for compression hydrogen vehicle | |
| CN201786513U (en) | Adjustable fuel gas injection valve | |
| CN102758713A (en) | Electrically-controlled dual-fuel nozzle assembly and working method thereof | |
| CN112081673A (en) | Dual-fuel injector | |
| CN2854112Y (en) | Micro-displacement compound fuel injector of electric control direct-injection petrol engine | |
| CN202628351U (en) | Mechanical oil sprayer of diesel engine for engineering machinery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20131202 |