CN108266299B - A kind of automatically controlled internal combustion engine solenoid fuel injection valve - Google Patents
A kind of automatically controlled internal combustion engine solenoid fuel injection valve Download PDFInfo
- Publication number
- CN108266299B CN108266299B CN201810043723.8A CN201810043723A CN108266299B CN 108266299 B CN108266299 B CN 108266299B CN 201810043723 A CN201810043723 A CN 201810043723A CN 108266299 B CN108266299 B CN 108266299B
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- CN
- China
- Prior art keywords
- hole
- piston
- valve
- valve rod
- spray
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/06—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series the valves being furnished at seated ends with pintle or plug shaped extensions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
Abstract
A kind of automatically controlled internal combustion engine solenoid fuel injection valve, the solenoid valve include valve body, spray canister, extension, spray-hole, protrusion, flap, pressure release passage, connector, sawtooth portion, electromagnetic coil, bracket, extension terminal, sense channel, oil cylinder, oil inlet passage, oil inlet pipe, coil case, valve rod inner hole, guide sleeve, valve rod, steel ball, connector channel, contraction flow region, piston, hole, piston left hole, piston right hole, plug, the first spring, L shape seat, second spring on piston.The solenoid valve further includes electrical control circuit, and the electrical control circuit includes filter module and standby power supply module, and the filter module includes resistance R1, capacitor C, the resistance R1 and capacitor C series connection, the one end capacitor C ground connection；The standby power supply module includes electromagnetism relay module K, the first access, alternate path, first contact of the first access connection electromagnetism relay module, resistance is connected in first access, alternate path connects the second contact of electromagnetism relay module, connects diode in alternate path；First access, alternate path are connect with solenoid valve respectively.
Description
Technical field
The present invention relates to internal combustion engine fuel injection system related fieldss, and in particular to a kind of automatically controlled internal combustion engine solenoid fuel injection valve.
Background technique
Internal combustion engine be widely applied in the prior art, such as communications and transportation, large scale equipment operating field it is all widely used,
In can be applied to injection system, injection system by the equipment such as hydraulic flow path, solenoid valve, needle-valve by oil liquid be sent into combustion chamber into
Row burning.
In actual use, existing injection system has the following problems:
1, in course of injection, can inevitably lead to the problem of injection unevenly cause to burn it is insufficient, in this regard, part is existing
In technology by the way of atomization, however atomization structure in the prior art is often more complicated, at high cost, such as uses heat
The components such as exchanger are atomized, and the mounting structure of heat exchanger is more complicated, use many restrictions.
2, in prior art solenoid valve due to blocking or pressure oscillation, oil pocket the case where there are over-voltages, sometimes can not and
When pressure release.
3, the demand of cleaning oil pocket exists in the prior art, however is difficult to be cleared up when O&M.
4, when larger charge oil pressure occurs due to fuel feeding deviation in prior art solenoid valve, it is easy to happen water attack.
5, the electromagnetic coil structure of the prior art is difficult to the problem of combining big secured, the logical quantity of magnetism, saving material.
6, prior art solenoid valve power supply circuit typically just power supply function, has a single function.
Summary of the invention
In order to overcome the above problem, the present invention proposes while solving the valve of above-mentioned various problems.
The technical solution adopted by the present invention to solve the technical problems is: a kind of automatically controlled internal combustion engine solenoid fuel injection valve, described
Solenoid valve includes valve body, spray canister, extension, spray-hole, protrusion, flap, pressure release passage, connector, sawtooth portion, electromagnetic coil, support
Frame, sense channel, oil cylinder, oil inlet passage, oil inlet pipe, coil case, valve rod inner hole, guide sleeve, valve rod, steel ball, connects extension terminal
Head channel, contraction flow region, piston, hole, piston left hole, piston right hole, plug, the first spring, L shape seat, second spring on piston；Institute
Stating solenoid valve further includes electrical control circuit, and the electrical control circuit includes filter module and standby power supply module, the filter module packet
Include resistance R1, capacitor C, the resistance R1 and capacitor C series connection, the one end capacitor C ground connection；The standby power supply module include electromagnetism after
Electric module K, the first access, alternate path, the first access connect the first contact of electromagnetism relay module, connect electricity in the first access
Resistance, alternate path connect the second contact of electromagnetism relay module, connect diode in alternate path；First access, alternate path
It is connect respectively with solenoid valve；Have to close up below valve body and form valve seat, flap and valve seat cooperate, and are formed between flap and valve seat close
Envelope, the diameter of flap are greater than valve seat opening diameter, and the diameter of flap is less than the diameter of body cavity；Connect above flap with valve rod
It connects, auxiliary valve rod part is downwardly extending below flap, auxiliary valve rod partially radially extends outward protrusion, the protrusion and spray canister
On stroke groove cooperation, in the shape of a spiral, with the movement of auxiliary valve rod, protrusion is lifted the stroke groove in stroke groove, so that spray
Cylinder rotation, the spray canister lower section are equipped with the extension for extending valve body, are equipped with conical section, the conical section below extension
It is equipped with several spray-holes；In the spray canister in addition to stroke groove, it is additionally provided with oil guide groove, the oil guide groove is in the shape of a spiral from the spray
Cylinder upper end extends in the inner cavity of the spray canister；It is equipped with guide sleeve above the inner cavity of the valve body, is equipped with pressure release on the left of the guide sleeve
Channel, the pressure release passage left side are equipped with connector, and top is equipped with connector channel on the left of the connector, and the connector right side, which is equipped with, receives
Contracting portion, steel ball is accommodated in the contraction flow region, and the steel ball is connect by spring with connector；The valve rod is by magnetic material system
At being provided with valve rod inner hole, the valve rod inner hole extends to valve rod right end connection body cavity, the valve rod from valve rod upper end
Upper end is equipped with the first spring, and the valve rod both ends are equipped with L-bracket, and the electromagnetic coil, electromagnetic coil outside are accommodated in bracket
Equipped with coil case, sawtooth portion is equipped on the outside of the coil case；Extension terminal, the extension are equipped with above the electromagnetic coil
It is equipped with oil cylinder above terminal, is equipped with sense channel and oil inlet passage in the oil cylinder, the oil inlet passage is connect with oil inlet pipe, institute
It states and accommodates piston in oil cylinder, hole, piston left hole, piston right hole on piston are equipped in the piston, hole and oil inlet are logical on piston
Road connects, and hole, which extends downwardly, on piston branches out piston left hole, piston right hole, and the piston lower portion is equipped with plug, the piston
Lower section is equipped with second spring, and L shape seat is equipped with below the second spring, is equipped with first spring below the L shape seat.
Preferably, stroke limit structure is additionally provided on the valve rod.
Preferably, the stroke limit structure is short column.
Preferably, the stroke limit structure is snap ring.
Preferably, the spray-hole includes radial hole and vertical hole.
Preferably, the spray-hole is uniformly distributed.
Preferably, the coil case is adopted made of plastic.
Preferably, the stroke groove is different with the oil guide groove gradient.
The beneficial effects of the present invention are:
1, the 1st point proposed for background technique, has adjusted mentality of designing, no longer seeks direct physics atomization, but adjusts
The whole injection structure of nozzle end forms the effect of similar atomization.
2, the 2nd, 3 point proposed for background technique is provided with connector and opened by pressure structure in oil pocket upper side.
3, it is directed to the 4th point of background technique, uses from pressure and adjusts closed piston structure.
4, it is directed to the 5th point of background technique, uses serration type mechanism, it is big, saving material to combine secured, the logical quantity of magnetism
Problem.
5, it is directed to the 6th point of background technique, combines filter module and standby power supply module, it is clear, safe to realize signal
Reliable effect.
Note: above-mentioned design in no particular order, each all make the present invention compared with the prior art have difference and significantly into
Step.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is solenoid valve overall schematic of the present invention.
Fig. 2 is inventive joint structure partial figure.
Fig. 3 is of the invention from pressure adjustment enclosed construction Local map.
Fig. 4 is oil guide groove stroke groove structure chart of the present invention.
Fig. 5 is circuit module figure of the present invention.
In figure, appended drawing reference is as follows:
1, valve body 2, spray canister 2a, extension 3, spray-hole 3a, stroke groove 3b, oil guide groove 4, protrusion 5, flap 6, pressure release are logical
Road 7, connector 8, sawtooth portion 9, electromagnetic coil 10, bracket 11, extension terminal 12, sense channel 13, oil cylinder 14, oil inlet passage
15, oil inlet pipe 16, coil case 17, valve rod inner hole 18, guide sleeve 19, valve rod 20, steel ball 21, connector channel 22, contraction
Portion 23, piston 24, hole 25, piston left hole 26, piston right hole 27, plug 28, second spring 29, L shape seat on piston
30, the first spring.
Specific embodiment
As shown in the figure: a kind of automatically controlled internal combustion engine solenoid fuel injection valve, the solenoid valve include valve body, spray canister, extension, injection
Hole, protrusion, flap, pressure release passage, connector, sawtooth portion, electromagnetic coil, bracket, extension terminal, sense channel, oil cylinder, oil inlet are logical
Road, oil inlet pipe, coil case, valve rod inner hole, guide sleeve, valve rod, steel ball, connector channel, contraction flow region, piston, hole, piston on piston
Left hole, piston right hole, plug, the first spring, L shape seat, second spring；The solenoid valve further includes electrical control circuit, described automatically controlled
Circuit includes filter module and standby power supply module, and the filter module includes resistance R1, capacitor C, the resistance R1 and capacitor C
Series connection, the one end capacitor C ground connection；The standby power supply module includes electromagnetism relay module K, the first access, alternate path, and first is logical
Road connects the first contact of electromagnetism relay module, connects resistance in the first access, and alternate path connects the of electromagnetism relay module
Two contacts connect diode in alternate path；First access, alternate path are connect with solenoid valve respectively.
It is as shown in the figure: to there is closing in form valve seat, flap and valve seat cooperate, formed between flap and valve seat close below valve body
Envelope, the diameter of flap are greater than valve seat opening diameter, and the diameter of flap is less than the diameter of body cavity；Connect above flap with valve rod
It connects, auxiliary valve rod part is downwardly extending below flap, auxiliary valve rod partially radially extends outward protrusion, the protrusion and spray canister
On stroke groove cooperation, in the shape of a spiral, with the movement of auxiliary valve rod, protrusion is lifted the stroke groove in stroke groove, so that spray
Cylinder rotation, the spray canister lower section are equipped with the extension for extending valve body, are equipped with conical section, the conical section below extension
It is equipped with several spray-holes；In the spray canister in addition to stroke groove, it is additionally provided with oil guide groove, the oil guide groove is in the shape of a spiral from the spray
Cylinder upper end extends in the inner cavity of the spray canister；It is equipped with guide sleeve above the inner cavity of the valve body, is equipped with pressure release on the left of the guide sleeve
Channel, the pressure release passage left side are equipped with connector, and top is equipped with connector channel on the left of the connector, and the connector right side, which is equipped with, receives
Contracting portion, steel ball is accommodated in the contraction flow region, and the steel ball is connect by spring with connector.
As shown in the figure: the valve rod is made of magnetic material, is provided with valve rod inner hole, the valve rod inner hole is from valve rod
End extends to valve rod right end connection body cavity, and the valve rod upper end is equipped with the first spring, and the valve rod both ends are equipped with L shape support
Frame accommodates the electromagnetic coil in bracket, and coil case is equipped on the outside of electromagnetic coil, is equipped with sawtooth on the outside of the coil case
Portion；It is equipped with extension terminal above the electromagnetic coil, oil cylinder is equipped with above the extension terminal, it is logical to be equipped with detection in the oil cylinder
Road and oil inlet passage, the oil inlet passage are connect with oil inlet pipe, and piston is accommodated in the oil cylinder, is equipped with piston in the piston
Upper hole, piston left hole, piston right hole, hole is connect with oil inlet passage on piston, on piston hole extend downwardly branch out piston left hole,
Piston right hole, the piston lower portion are equipped with plug, and second spring is equipped with below the piston, is equipped with L below the second spring
Shape seat, the L shape seat lower section are equipped with first spring.
It is as shown in the figure: stroke limit structure is additionally provided on the valve rod.The stroke limit structure is short column.The stroke
Position limiting structure is snap ring.The spray-hole includes radial hole and vertical hole.The spray-hole is uniformly distributed.The coil case is adopted
It is made of plastic.The stroke groove is different with the oil guide groove gradient.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment is not to limit this hair
Bright the scope of the patents, all equivalence enforcements or change without departing from carried out by the present invention, is intended to be limited solely by the scope of the patents of this case.
Claims (6)
1. a kind of automatically controlled internal combustion engine solenoid fuel injection valve, the solenoid valve include valve body, spray canister, extension, spray-hole, protrusion, valve
Valve, pressure release passage, connector, sawtooth portion, electromagnetic coil, bracket, extension terminal, sense channel, oil cylinder, oil inlet passage, oil inlet pipe,
Coil case, valve rod inner hole, guide sleeve, valve rod, steel ball, connector channel, contraction flow region, piston, hole, piston left hole, piston on piston
Right hole, plug, the first spring, L shape seat, second spring；
It is characterized by: the solenoid valve further includes electrical control circuit, the electrical control circuit includes filter module and backup power source mould
Block, the filter module include resistance R1, capacitor C, the resistance R1 and capacitor C series connection, the one end capacitor C ground connection；It is described spare
Power module includes electromagnetism relay module K, the first access, alternate path, and the first access connects the first touching of electromagnetism relay module
Point, resistance is connected in the first access, and alternate path connects the second contact of electromagnetism relay module, connects two poles in alternate path
Pipe；First access, alternate path are connect with solenoid valve respectively；
Have to close up below valve body and form valve seat, flap and valve seat cooperate, and form sealing, the diameter of flap between flap and valve seat
Greater than valve seat opening diameter, the diameter of flap is less than the diameter of body cavity；It is connect above flap with valve rod, below flap downwards
Auxiliary valve rod part is extended to form, auxiliary valve rod partially radially extends outward protrusion, and the spray canister is equipped with stroke groove, the protrusion
Cooperating with the stroke groove in spray canister, in the shape of a spiral, with the movement of auxiliary valve rod, protrusion is lifted the stroke groove in stroke groove,
So that spray canister rotates, it is equipped with the extension for extending valve body below the spray canister, is equipped with conical section, the cone below extension
Shape part is equipped with several spray-holes；In the spray canister in addition to stroke groove, be additionally provided with oil guide groove, the oil guide groove in the shape of a spiral from
The spray canister upper end extends in the inner cavity of the spray canister；
It is equipped with guide sleeve above the inner cavity of the valve body, pressure release passage is equipped on the left of the guide sleeve, is equipped on the left of the pressure release passage
Connector, connector left side top are equipped with connector channel, contraction flow region are equipped on the right side of the connector, accommodates steel in the contraction flow region
Ball, the steel ball are connect by spring with connector；
The valve rod is made of magnetic material, is provided with valve rod inner hole, and the valve rod inner hole extends to valve rod from valve rod upper end
Right end is connected to body cavity, and the valve rod upper end is equipped with the first spring, and the valve rod both ends are equipped with L-bracket, accommodate in bracket
The electromagnetic coil, electromagnetic coil outside are equipped with coil case, are equipped with sawtooth portion on the outside of the coil case；
It is equipped with extension terminal above the electromagnetic coil, oil cylinder is equipped with above the extension terminal, is equipped with detection in the oil cylinder
Channel and oil inlet passage, the oil inlet passage are connect with oil inlet pipe, and piston is accommodated in the oil cylinder, is equipped with and lives in the piston
Hole, piston left hole, piston right hole beyond the Great Wall, hole is connect with oil inlet passage on piston, and hole, which extends downwardly, on piston branches out a piston left side
Hole, piston right hole, the piston lower portion are equipped with plug, second spring are equipped with below the piston, is set below the second spring
There is L shape seat, is equipped with first spring below the L shape seat；The spray-hole includes radial hole and vertical hole；The spray-hole
It is uniformly distributed.
2. a kind of automatically controlled internal combustion engine solenoid fuel injection valve according to claim 1, it is characterised in that: be additionally provided on the valve rod
Stroke limit structure.
3. a kind of automatically controlled internal combustion engine solenoid fuel injection valve according to claim 2, it is characterised in that: the stroke limit structure
It is short column.
4. a kind of automatically controlled internal combustion engine solenoid fuel injection valve according to claim 2, it is characterised in that: the stroke limit structure
It is snap ring.
5. a kind of automatically controlled internal combustion engine solenoid fuel injection valve according to claim 1, it is characterised in that: the coil case uses
Plastics are made.
6. a kind of automatically controlled internal combustion engine solenoid fuel injection valve according to claim 1, it is characterised in that: the stroke groove and described
Oil guide groove gradient is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043723.8A CN108266299B (en) | 2018-01-17 | 2018-01-17 | A kind of automatically controlled internal combustion engine solenoid fuel injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043723.8A CN108266299B (en) | 2018-01-17 | 2018-01-17 | A kind of automatically controlled internal combustion engine solenoid fuel injection valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108266299A CN108266299A (en) | 2018-07-10 |
| CN108266299B true CN108266299B (en) | 2019-11-26 |
Family
ID=62775757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810043723.8A Expired - Fee Related CN108266299B (en) | 2018-01-17 | 2018-01-17 | A kind of automatically controlled internal combustion engine solenoid fuel injection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108266299B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101125315A (en) * | 2007-09-29 | 2008-02-20 | 陶振华 | Rotating type water sprayer |
| CN103261662A (en) * | 2010-12-20 | 2013-08-21 | 丰田自动车株式会社 | Fuel injection valve |
| CN103277223A (en) * | 2013-05-27 | 2013-09-04 | 江苏大学 | Piston valve type double fuel ejector driven by improved cam shaft |
| CN103382913A (en) * | 2013-03-22 | 2013-11-06 | 哈尔滨工程大学 | Combined-type rotary oil spray nozzle |
| CN203335983U (en) * | 2013-03-18 | 2013-12-11 | 广东普洛测控科技有限公司 | Low power consumption solenoid valve drive circuit |
| JP2014047698A (en) * | 2012-08-31 | 2014-03-17 | Toyota Motor Corp | Fuel injection valve |
| CN105190021A (en) * | 2013-03-28 | 2015-12-23 | 大陆汽车有限公司 | Valve assembly for a fluid injection valve and fluid injection valve |
| JP2017110600A (en) * | 2015-12-17 | 2017-06-22 | ダイハツ工業株式会社 | Injector |
| CN107448334A (en) * | 2017-07-17 | 2017-12-08 | 吉林大学 | A kind of double fuel fuel injector |
-
2018
- 2018-01-17 CN CN201810043723.8A patent/CN108266299B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101125315A (en) * | 2007-09-29 | 2008-02-20 | 陶振华 | Rotating type water sprayer |
| CN103261662A (en) * | 2010-12-20 | 2013-08-21 | 丰田自动车株式会社 | Fuel injection valve |
| JP2014047698A (en) * | 2012-08-31 | 2014-03-17 | Toyota Motor Corp | Fuel injection valve |
| CN203335983U (en) * | 2013-03-18 | 2013-12-11 | 广东普洛测控科技有限公司 | Low power consumption solenoid valve drive circuit |
| CN103382913A (en) * | 2013-03-22 | 2013-11-06 | 哈尔滨工程大学 | Combined-type rotary oil spray nozzle |
| CN105190021A (en) * | 2013-03-28 | 2015-12-23 | 大陆汽车有限公司 | Valve assembly for a fluid injection valve and fluid injection valve |
| CN103277223A (en) * | 2013-05-27 | 2013-09-04 | 江苏大学 | Piston valve type double fuel ejector driven by improved cam shaft |
| JP2017110600A (en) * | 2015-12-17 | 2017-06-22 | ダイハツ工業株式会社 | Injector |
| CN107448334A (en) * | 2017-07-17 | 2017-12-08 | 吉林大学 | A kind of double fuel fuel injector |
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| CN108266299A (en) | 2018-07-10 |
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