CN108266299A - 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
- CN108266299A CN108266299A CN201810043723.8A CN201810043723A CN108266299A CN 108266299 A CN108266299 A CN 108266299A CN 201810043723 A CN201810043723 A CN 201810043723A CN 108266299 A CN108266299 A CN 108266299A
- Authority
- CN
- China
- Prior art keywords
- piston
- hole
- valve
- valve rod
- combustion engine
- 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.)
- Granted
Links
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
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- 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 hole, piston left hole, piston right hole, plug, the first spring, L-shaped seat, second spring on 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 endoporus, guide sleeve, valve rod, steel ball, connector channel, contraction flow region, piston, 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, capacitance C, the resistance R1 and capacitance C connect, capacitance C one end ground connection；The standby power supply module includes electromagnetism relay module K, the first access, alternate path, first access connects the first contact of electromagnetism relay module, resistance is connected in first access, alternate path connects the second contact of electromagnetism relay module, diode is connected in alternate path；First access, alternate path are connect respectively with solenoid valve.
Description
Technical field
The present invention relates to internal combustion engine fuel injection system related fields, and in particular to a kind of automatically controlled internal combustion engine solenoid fuel injection valve.
Background technology
Internal combustion engine is extensively using in the prior art, such as communications and transportation, large scale equipment operating field are 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 fluid be sent into combustion chamber into
Row burning.
In actual use, existing injection system has the following problems：
1st, in course of injection, can inevitably lead to the problem of injection it is uneven cause to burn it is insufficient, in this regard, the part prior art
In employ the mode of atomization, however atomization structure of the prior art is often more complicated, of high cost, such as uses heat exchange
The parts such as device are atomized, and the mounting structure of heat exchanger is more complicated, uses many restrictions.
2nd, in prior art solenoid valve due to block or pressure oscillation, oil pocket there is a situation where overvoltage, sometimes can not and
When pressure release.
3rd, the demand of cleaning oil pocket exists in the prior art, however is difficult to clear up during O＆M.
When larger charge oil pressure the 4th, occurs due to fuel feeding deviation in prior art solenoid valve, water attack easily occurs.
5th, the problem of electromagnetic coil structure of the prior art is difficult to take into account big secured, the logical quantity of magnetism, saving material simultaneously.
6th, prior art solenoid valve power supply circuit typically just power supply function, function are single.
Invention content
In order to overcome the above problem, the present invention proposes to solve the valve of above-mentioned various problems simultaneously.
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, it is 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 endoporus, 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-shaped seat, second spring on piston；Institute
It states solenoid valve and further includes electrical control circuit, the electrical control circuit includes filter module and standby power supply module, the filter module packet
Include resistance R1, capacitance C, the resistance R1 and capacitance C series connection, capacitance C one end 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, electricity are connected in the first access
Resistance, alternate path connect the second contact of electromagnetism relay module, diode are connected 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 coordinates with valve seat, is formed between flap and valve seat close
Envelope, the diameter of flap are more 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, conical section, the conical section are equipped with below extension
It is equipped with several spray-holes；In the spray canister in addition to stroke groove, oil guide groove is additionally provided with, the oil guide groove is in the shape of a spiral from the spray
Cylinder upper end is extended in the inner cavity of the spray canister；Guide sleeve is equipped with above the inner cavity of the valve body, pressure release is equipped 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 accommodates steel ball in the contraction flow region, and the steel ball is connect by spring with connector；The valve rod is by magnetic material system
Into being provided with valve rod endoporus, the valve rod endoporus 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
Oil cylinder is equipped with 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 piston is accommodated in oil cylinder, hole, piston left hole, piston right hole on piston are equipped in the piston, hole leads to oil inlet 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-shaped seat is equipped with below the second spring, first spring is equipped with below the L-shaped seat.
Preferably, it is additionally provided with stroke limit structure 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 and oil guide groove gradient difference.
The beneficial effects of the invention are as follows：
1st, the 1st point proposed for background technology, has adjusted mentality of designing, no longer seeks direct physics atomization, but has adjusted
The injection structure of nozzle end forms the effect of similar atomization.
2nd, the 2nd, 3 point proposed for background technology is provided with connector and opened by pressure structure above oil pocket side.
3rd, it for the 4th point of background technology, employs from pressure and adjusts closed piston structure.
4th, for the 5th point of background technology, serration type mechanism is employed, while it is big, saving material to take into account secured, the logical quantity of magnetism
Problem.
5th, for the 6th point of background technology, filter module and standby power supply module are combined, it is clear, safe to realize signal
Reliable effect.
Note：Above-mentioned design in no particular order, each all cause the present invention compared with the prior art have difference and significantly into
Step.
Description of the drawings
The present invention is further described with reference to the accompanying 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 that the present invention adjusts enclosed construction Local map from pressure.
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, reference numeral is as follows：
1st, valve body 2, spray canister 2a, extension 3, spray-hole 3a, stroke groove 3b, oil guide groove 4, protrusion 5, flap 6, pressure release passage 7,
Connector 8, sawtooth portion 9, electromagnetic coil 10, bracket 11, extension terminal 12, sense channel 13, oil cylinder 14, oil inlet passage 15, into
Oil pipe 16, coil case 17, valve rod endoporus 18, guide sleeve 19, valve rod 20, steel ball 21, connector channel 22, contraction flow region 23,
Hole 25, piston left hole 26, piston right hole 27, plug 28, second spring 29, L-shaped seat 30, first on piston 24, piston
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 led to
Road, oil inlet pipe, coil case, valve rod endoporus, 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-shaped 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, capacitance C, the resistance R1 and capacitance C
Series connection, capacitance C one end 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 the of alternate path connection electromagnetism relay module
Two contacts connect diode in alternate path；First access, alternate path are connect respectively with solenoid valve.
As shown in the figure：Have to close up below valve body and form valve seat, flap coordinates with valve seat, is formed between flap and valve seat close
Envelope, the diameter of flap are more 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, conical section, the conical section are equipped with below extension
It is equipped with several spray-holes；In the spray canister in addition to stroke groove, oil guide groove is additionally provided with, the oil guide groove is in the shape of a spiral from the spray
Cylinder upper end is extended in the inner cavity of the spray canister；Guide sleeve is equipped with above the inner cavity of the valve body, pressure release is equipped 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 accommodates steel ball 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 endoporus, the valve rod endoporus 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-shaped support
Frame accommodates the electromagnetic coil in bracket, and coil case is equipped on the outside of electromagnetic coil, sawtooth is equipped on the outside of the coil case
Portion；Extension terminal is equipped with 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, piston is equipped 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, L is equipped with below the second spring
Shape seat, the L-shaped seat lower section are equipped with first spring.
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 and oil guide groove gradient difference.
Above-listed detailed description is illustrating for possible embodiments of the present invention, which is not to limit this hair
Bright the scope of the claims, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the scope of the claims of this case.
Claims (8)
1. a kind of automatically controlled internal combustion engine solenoid fuel injection valve, the solenoid valve includes 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 endoporus, 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-shaped seat, second spring；It is characterized in that：The solenoid valve further includes electrical control circuit, the electricity
It controls circuit and includes filter module and standby power supply module, the filter module includes resistance R1, capacitance C, the resistance R1 and electricity
Hold C series connection, capacitance C one end ground connection；The standby power supply module includes electromagnetism relay module K, the first access, alternate path, the
One access connects the first contact of electromagnetism relay module, and resistance, alternate path connection electromagnetism relay module are connected in the first access
The second contact, connect diode in alternate path；First access, alternate path are connect respectively with solenoid valve；Have below valve body
There is closing in form valve seat, flap coordinates with valve seat, forms sealing between flap and valve seat, and the diameter of flap is straight more than valve seat opening
Diameter, the diameter of flap are less than the diameter of body cavity；It is connect above flap with valve rod, auxiliary valve rod is downwardly extending below flap
Part, auxiliary valve rod partially radially extend outward protrusion, and the spray canister is equipped with stroke groove, the protrusion and the stroke in spray canister
Slot coordinates, and 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, institute
The extension for being equipped with below spray canister and extending valve body is stated, conical section is equipped with below extension, if the conical section is equipped with
Dry-spray hole；In the spray canister in addition to stroke groove, oil guide groove is additionally provided with, the oil guide groove is prolonged in the shape of a spiral from the spray canister upper end
In the inner cavity for reaching the spray canister；Guide sleeve is equipped with above the inner cavity of the valve body, pressure release passage is equipped on the left of the guide sleeve, it is described
Connector is equipped on the left of pressure release passage, top is equipped with connector channel on the left of the connector, and contraction flow region is equipped on the right side of the connector, described
Steel ball is accommodated in contraction flow region, the steel ball is connect by spring with connector；The valve rod is made of magnetic material, is provided with
Valve rod endoporus, the valve rod endoporus extend to valve rod right end connection body cavity from valve rod upper end, and the valve rod upper end is equipped with the
One spring, the valve rod both ends are equipped with L-bracket, and the electromagnetic coil is accommodated in bracket, is equipped with outside coil on the outside of electromagnetic coil
Shell, the coil case outside are equipped with sawtooth portion；Extension terminal is equipped with above the electromagnetic coil, is set above the extension terminal
There is oil cylinder, be equipped with sense channel and oil inlet passage in the oil cylinder, the oil inlet passage connect with oil inlet pipe, holds in the oil cylinder
Receiving has piston, and hole, piston left hole, piston right hole on piston are equipped in the piston, and hole is connect with oil inlet passage on piston, piston
Upper hole, which extends downwardly, branches out piston left hole, piston right hole, and the piston lower portion is equipped with plug, and second is equipped with below the piston
Spring, the second spring lower section are equipped with L-shaped seat, first spring are equipped with below the L-shaped seat.
2. a kind of automatically controlled internal combustion engine solenoid fuel injection valve according to claim 1, it is characterised in that：It is 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 spray-hole includes diameter
To hole and vertical hole.
6. a kind of automatically controlled internal combustion engine solenoid fuel injection valve according to claim 1, it is characterised in that：The spray-hole uniformly divides
Cloth.
7. 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.
8. 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 true CN108266299A (en) | 2018-07-10 |
| CN108266299B 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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| Publication number | Publication date |
|---|---|
| CN108266299B (en) | 2019-11-26 |
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