CN104763567A - Electromagnetic oil sprayer - Google Patents
Electromagnetic oil sprayer Download PDFInfo
- Publication number
- CN104763567A CN104763567A CN201510120485.2A CN201510120485A CN104763567A CN 104763567 A CN104763567 A CN 104763567A CN 201510120485 A CN201510120485 A CN 201510120485A CN 104763567 A CN104763567 A CN 104763567A
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- CN
- China
- Prior art keywords
- filter screen
- oil
- electromagnetic
- valve body
- fuel injector
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- 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.)
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Abstract
The invention discloses an electromagnetic oil sprayer. The electromagnetic oil sprayer comprises a housing, an oil inlet communicated with an oil distributing pipe is formed in the top of the housing, a reset spring, a needle valve body and a valve seat are sequentially arranged from the air inlet to the bottom, and a shaft needle is arranged at the bottom of the needle valve body. The electromagnetic oil sprayer is characterized in that a primary filter screen with certain depth is arranged at the position of the oil inlet, a secondary filter screen with larger depth is arranged on the outer side of the primary filter screen, filter holes of the primary filter screen are larger than filter holes of the secondary filter screen, and an electromagnetic coil is arranged on the periphery of the reset spring. Preferably, a first O-shaped seal ring for preventing oil leakage is arranged on the periphery of the oil inlet. Preferably, a second first O-shaped seal ring for preventing gas leakage is arranged on the periphery of the needle valve body. The oil filtering accuracy is improved, and the influence on follow-up sprayed oil is avoided.
Description
Technical field
The present invention relates to a kind of electromagnetic fuel injector.
Background technique
When the electromagnetic coil of electromagnetic fuel injector is energized, produce suction, needle-valve is picked up, and opens spray orifice, and fuel oil sprays at a high speed through the annular space between the axonometer and spray orifice of needle-valve head, is formed vaporific, is beneficial to sufficient combustion.But traditional electromagnetic fuel injector, only arranges fuel screen for impurity screening at filler opening, be first that filter precision is not high, in addition on the one hand, the oil spout that the impurity effect of accumulation is follow-up.
Summary of the invention
For the problems referred to above, the invention provides a kind of electromagnetic fuel injector, improve the precision of filter fuel, avoid the impact on follow-up oil spout.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of electromagnetic fuel injector, comprise shell, described cover top portion is provided with the filler opening communicated with fuel dispensing tube, Returnning spring, needle valve body and valve seat is disposed with downwards from filler opening, axonometer is provided with bottom described needle valve body, it is characterized in that, described filler opening place is provided with the elementary filter screen with certain depth, the secondary filter that described elementary filter screen arranged outside has the degree of depth darker, the filtering hole of described elementary filter screen is greater than the filtering hole of secondary filter, and described Returnning spring periphery is provided with electromagnetic coil.
Preferably, described filler opening periphery is provided with the O RunddichtringO preventing fuel leakage.
Preferably, described needle valve body periphery is provided with the 2nd O RunddichtringO preventing from leaking gas.
Preferably, described shell is provided with the wire harness socket be electrically connected with electromagnetic coil.
When ECU(electronic control unit) when assigning oil spout instruction, its voltage signal can make electric current flow through electromagnetic coil in oil sprayer, produces magnetic field and axonometer is picked up, allow valve opening well fuel oil energy be sprayed from nozzle opening.Its intermediate fuel oil first filters through preliminary, removes larger impurity, after remove smaller impurity through secondary filter, improve the precision of filter fuel, avoid the impact on follow-up oil spout.And the control of fuel delivery is very accurate, allows engine can have correct air fuel ratio under any state, and not only allow engine keep smooth movements, its waste gas also can conform with the specification of environmental regulation.
The invention has the beneficial effects as follows: a kind of electromagnetic fuel injector, improve the precision of filter fuel, avoid the impact on follow-up oil spout.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of electromagnetic fuel injector of the present invention;
The mark implication of accompanying drawing is as follows:
1: shell; 2: filler opening; 3: elementary filter screen; 4: the one O RunddichtringOs; 5: secondary filter; 6: wire harness socket; 7: Returnning spring; 8: electromagnetic coil; 9: needle valve body; 10: the two O RunddichtringOs; 11: valve seat; 12: axonometer.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical solution of the present invention is described in further detail, can better understand the present invention to make those skilled in the art and can be implemented, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, a kind of electromagnetic fuel injector, comprise shell 1, described shell 1 top is provided with the filler opening 2 communicated with fuel dispensing tube, be disposed with Returnning spring 7, needle valve body 9 and valve seat 11 downwards from filler opening 2, the top of needle valve body 9 is provided with a helical spring and Returnning spring 7, and bottom is provided with axonometer 12, electromagnetic fuel injector itself is a normally close valve, the opening and closing of the control valve that moved up and down by axonometer 12.
Described filler opening 2 place is provided with the elementary filter screen 3 with certain depth, the secondary filter 5 that described elementary filter screen 3 arranged outside has the degree of depth darker, preferably, the degree of depth of secondary filter 5 is 2-5 times of elementary filter screen 3, and wherein, the filtering hole of described elementary filter screen 3 is greater than the filtering hole of secondary filter 5, preferably elementary filter screen 3 is arranged to soft material, namely can deformation, secondary filter 5 then has certain hardness, in oil spout work, do not produce deformation.This kind arranges not only good filtration effect, and does not affect follow-up oil spout work.
Described Returnning spring 7 periphery is provided with electromagnetic coil 8, shell 1 is provided with the wire harness socket 6 be electrically connected with electromagnetic coil 8.
In Fig. 1, filler opening 2 periphery is provided with the O RunddichtringO 4 preventing fuel leakage, and described needle valve body 9 periphery is provided with the 2nd O RunddichtringO 10 preventing from leaking gas.
When ECU(electronic control unit) when assigning oil spout instruction, its voltage signal can make electric current flow through electromagnetic coil 8 in oil sprayer, produces magnetic field axonometer 12 is picked up, allows valve opening well fuel oil energy be sprayed from nozzle opening.Its intermediate fuel oil first filters through preliminary, removes larger impurity, after remove smaller impurity through secondary filter, improve the precision of filter fuel, avoid the impact on follow-up oil spout.And the control of fuel delivery is very accurate, allows engine can have correct air fuel ratio under any state, and not only allow engine keep smooth movements, its waste gas also can conform with the specification of environmental regulation.
When electromagnetic fuel injector quits work, Returnning spring 7 makes needle valve body 9 reset, and needle valve body 9 is closed, and axonometer 12 is pressed against on valve seat 11 and seals, and prevents fuel leakage.
The invention has the beneficial effects as follows: a kind of electromagnetic fuel injector, improve the precision of filter fuel, avoid the impact on follow-up oil spout.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in the technical field that other are relevant, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. an electromagnetic fuel injector, comprise shell (1), described shell (1) top is provided with the filler opening (2) communicated with fuel dispensing tube, Returnning spring (7) is disposed with downwards from filler opening (2), needle valve body (9) and valve seat (11), described needle valve body (9) bottom is provided with axonometer (12), it is characterized in that, described filler opening (2) place is provided with the elementary filter screen (3) with certain depth, the secondary filter (5) that described elementary filter screen (3) arranged outside has the degree of depth darker, the filtering hole of described elementary filter screen (3) is greater than the filtering hole of secondary filter (5), described Returnning spring (7) periphery is provided with electromagnetic coil (8).
2. a kind of electromagnetic fuel injector according to claim 1, is characterized in that, described filler opening (2) periphery is provided with the O RunddichtringO (4) preventing fuel leakage.
3. a kind of electromagnetic fuel injector according to claim 2, is characterized in that, described needle valve body (9) periphery is provided with the 2nd O RunddichtringO (10) preventing from leaking gas.
4. a kind of electromagnetic fuel injector according to claim 1, is characterized in that, described shell (1) is provided with the wire harness socket (6) be electrically connected with electromagnetic coil (8).
5. a kind of electromagnetic fuel injector according to claim 1, is characterized in that, described elementary filter screen (3) can deformation, and secondary filter (5) then has certain hardness.
6. a kind of electromagnetic fuel injector according to claim 5, is characterized in that, the degree of depth of described secondary filter (5) is 2-5 times of elementary filter screen (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120485.2A CN104763567A (en) | 2015-03-19 | 2015-03-19 | Electromagnetic oil sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510120485.2A CN104763567A (en) | 2015-03-19 | 2015-03-19 | Electromagnetic oil sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104763567A true CN104763567A (en) | 2015-07-08 |
Family
ID=53645601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510120485.2A Pending CN104763567A (en) | 2015-03-19 | 2015-03-19 | Electromagnetic oil sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104763567A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253007A (en) * | 2018-11-06 | 2019-01-22 | 马瑞利动力***（合肥）有限公司 | A kind of methanol fuel injector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08312495A (en) * | 1995-05-11 | 1996-11-26 | Keihin Seiki Mfg Co Ltd | Electromagnetic fuel injection valve |
| CN103758669A (en) * | 2014-01-03 | 2014-04-30 | 瑞安市天时机车部件有限公司 | Electromagnetic valve type fuel injector |
| DE102013201897A1 (en) * | 2013-02-06 | 2014-08-07 | Robert Bosch Gmbh | Valve for metering fluid |
| CN203962258U (en) * | 2014-08-07 | 2014-11-26 | 温州大学 | The automatically controlled formula oil sprayer of a kind of motorcycle |
| CN204591552U (en) * | 2015-03-19 | 2015-08-26 | 苏州锟恩电子科技有限公司 | A kind of electromagnetic fuel injector |
-
2015
- 2015-03-19 CN CN201510120485.2A patent/CN104763567A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08312495A (en) * | 1995-05-11 | 1996-11-26 | Keihin Seiki Mfg Co Ltd | Electromagnetic fuel injection valve |
| DE102013201897A1 (en) * | 2013-02-06 | 2014-08-07 | Robert Bosch Gmbh | Valve for metering fluid |
| CN103758669A (en) * | 2014-01-03 | 2014-04-30 | 瑞安市天时机车部件有限公司 | Electromagnetic valve type fuel injector |
| CN203962258U (en) * | 2014-08-07 | 2014-11-26 | 温州大学 | The automatically controlled formula oil sprayer of a kind of motorcycle |
| CN204591552U (en) * | 2015-03-19 | 2015-08-26 | 苏州锟恩电子科技有限公司 | A kind of electromagnetic fuel injector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253007A (en) * | 2018-11-06 | 2019-01-22 | 马瑞利动力***（合肥）有限公司 | A kind of methanol fuel injector |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150708 |
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| RJ01 | Rejection of invention patent application after publication |