CN2761860Y - Electronic controlled oil atomizer - Google Patents
Electronic controlled oil atomizer Download PDFInfo
- Publication number
- CN2761860Y CN2761860Y CN 200320112534 CN200320112534U CN2761860Y CN 2761860 Y CN2761860 Y CN 2761860Y CN 200320112534 CN200320112534 CN 200320112534 CN 200320112534 U CN200320112534 U CN 200320112534U CN 2761860 Y CN2761860 Y CN 2761860Y
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- CN
- China
- Prior art keywords
- oil
- oil atomizer
- atomizer
- pressure
- valve
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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.)
- Expired - Fee Related
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Abstract
The utility model relates to an electronic controlled oil atomizer, which is composed of an oil atomization nozzle, a sealing pad of the oil atomizer, a tightening cap of the oil atomizer, a needle valve, a pressure adjusting spring, an oil atomizer body, a dust-proof O-shaped ring, and an oil return port of the oil atomizer. The bottom of the oil atomizer body is connected with the needle valve which is arranged in the tightening cap of the oil atomizer and is connected with the oil atomization nozzle; the bottom of the oil atomizer body is sealed by the sealing pad of the oil atomizer; an oil return path is sheathed with the pressure adjusting spring, wherein an electromagnetic valve is arranged above the oil return path of the oil atomizer body; a return spring is arranged in the electromagnetic valve and is in contact with armature iron; the internal part of a low-voltage chamber is embedded with an iron core, and the lower part of iron core is provided with a path which is communicated with a high-pressure oil path and the oil circuit of the low-voltage chamber. The utility model can accurately atomize fuel quantity which is required by operating conditions of the engine to a burning chamber of the engine and can control oil atomization starting and end time, and flexible control of the oil atomization can be realized.
Description
Technical field:
The utility model relates to a kind of oil sprayer, particularly relates to a kind of electronic fuel injection device.Be applied to the injection system of diesel engine.
Background technique
At present, along with automobile emission regulation requires more and more strictness, in order to satisfy the requirement of discharging, must improve combustion system, wherein oil sprayer is a critical component.Advanced country has begun to widely apply the electric-controlled fuel injector assembly in the world at present, wherein mainly contains electric-controlled fuel injector in electrically-controlled pump nozzle, the heui fuel injection system and the electric-controlled fuel injector in the co-rail oil injection system etc.But China's diesel engine only just developed rapidly at nearly 10 years, belonged to the motor of low-cost low technical content, and the diesel engine of China still adopts the hydraulic injection device mostly.The amount of fuel that can spray into requirement is accurately given engine chamber, but can not control fuel injection beginning and concluding time, can only be to determine the injection time of fixing under certain operating mode by structural parameter, promptly can't realize the Flexible Control of injection timing.
Summary of the invention:
The purpose of this utility model is to provide a kind of electronic fuel injection device, and it can spray into the amount of fuel of engine operating condition requirement and control fuel injection beginning and the concluding time accurately to engine combustion is indoor, promptly realizes the Flexible Control of injection timing.
The technical solution of the utility model is achieved in that a kind of electronic fuel injection device, by oil nozzle; The oil sprayer sealing gasket; The tight cap of oil sprayer; Needle-valve; Pressure adjusting spring; Oil injector body; Dustproof O shape circle; The oil sprayer return opening is formed, and is connected with needle-valve in the bottom of oil injector body and is contained in the tight cap of oil spout and links to each other with oil nozzle, seals with the oil sprayer sealing gasket; On back oil road, be set with pressure adjusting spring; Wherein above the oil sprayer back oil road of oil injector body solenoid valve is installed, return spring is located in the solenoid valve, and contacts with armature; Be inlaid with iron core in low-pressure cavity, bottom unshakable in one's determination has passage and is connected with the oil circuit of high-pressure oil duct and low-pressure cavity.
Good effect of the present utility model is: electric-controlled fuel injector has been realized the Flexible Control of injection timing, and promptly injection time, end of injection time are by electromagnetic valve.Can spray into the amount of fuel of engine operating condition requirement accurately and control fuel injection beginning and the concluding time.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
The 1-oil nozzle; 2-oil sprayer sealing gasket; The tight cap of 3-oil sprayer; The 4-needle-valve; The 5-pressure adjusting spring; The 6-oil injector body; The dustproof O shape circle of 7-; The 8-back oil road; 9-cover unshakable in one's determination; 10-armature; The 11-iron core; 12-oil sprayer return opening; The 13-solenoid valve; The 14-return spring; The 15-low-pressure cavity; The 16-high-pressure oil duct.
Concrete mode of execution:
Below in conjunction with accompanying drawing the utility model is further described: a kind of electronic fuel injection device, by oil nozzle 1; Oil sprayer sealing gasket 2; The tight cap 3 of oil sprayer; Needle-valve 4; Pressure adjusting spring 5; Oil injector body 6; Dustproof O shape circle 7; Oil sprayer return opening 12 is formed, and is connected with needle-valve 4 in the bottom of oil injector body 6 and is contained in the tight cap 3 of oil spout in and links to each other with oil nozzle 1, and usefulness oil sprayer sealing gasket 2 seals; On back oil road 8, be set with pressure adjusting spring 5; Wherein above the oil sprayer back oil road 8 of oil injector body 6 solenoid valve 13 is installed, return spring 14 is located in the solenoid valve 13; And contact with armature 10, in low-pressure cavity 15, be inlaid with unshakable in one's determinationly 11,11 bottoms unshakable in one's determination have passage and are connected with the oil circuit of high-pressure oil duct 16 and low-pressure cavity 15.Solenoid valve 13 on the oil sprayer is the long valves of opening, when the up beginning fuel feeding of injection pump plunger, because solenoid valve 13 is in open mode, high-pressure oil duct 16 is connected by the passage and the low-pressure cavity 15 of 11 bottoms unshakable in one's determination, therefore can not set up high pressure, needle-valve 4 is not opened, not oil spout in the firing chamber of oil nozzle 1.When solenoid valve 13 work, armature 10 rises under the effect of magnetic force, drive on unshakable in one's determination 11 like this and move, when moving on on unshakable in one's determination 11 after its underpart passage is closed, high-pressure oil duct 16 cuts off with low-pressure cavity 15, and high-pressure oil passage 16 produces high pressure, pressure acts on the needle-valve 4, when pressure reached certain value, needle-valve 4 was opened, and oil sprayer begins to the firing chamber oil spout.Therefore to the control of solenoid valve 13 unlatchings and close moment, just can realize the control of injection timing and injection time, make motor reach optimal combustion state.
Claims (1)
1, a kind of electronic fuel injection device is by oil nozzle (1); Oil sprayer sealing gasket (2), the tight cap of oil sprayer (3); Needle-valve (4); Pressure adjusting spring (5); Oil injector body (6); Dustproof O shape circle (7); Oil sprayer return opening (12) is formed, and is connected with needle-valve (4) in the bottom of oil injector body (6) and is contained in the tight cap of oil spout (3) in and links to each other with oil nozzle (1), and usefulness oil sprayer sealing gasket (2) seals; On back oil road (8), be set with pressure adjusting spring (5); It is characterized in that: oil sprayer back oil road (8) top at oil injector body (6) is equipped with solenoid valve (13), and return spring (14) is located in the solenoid valve (13); And contact with armature (10), in low-pressure cavity (15), being inlaid with iron core (11), (11) bottom unshakable in one's determination has passage and is connected with the oil circuit of high-pressure oil duct (16) and low-pressure cavity (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320112534 CN2761860Y (en) | 2003-10-15 | 2003-10-15 | Electronic controlled oil atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320112534 CN2761860Y (en) | 2003-10-15 | 2003-10-15 | Electronic controlled oil atomizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2761860Y true CN2761860Y (en) | 2006-03-01 |
Family
ID=36094987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320112534 Expired - Fee Related CN2761860Y (en) | 2003-10-15 | 2003-10-15 | Electronic controlled oil atomizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2761860Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400823A (en) * | 2011-11-09 | 2012-04-04 | 王晓燕 | Electric control oil injector of diesel engine |
| CN102792003A (en) * | 2010-03-15 | 2012-11-21 | 罗伯特·博世有限公司 | Fuel injector |
-
2003
- 2003-10-15 CN CN 200320112534 patent/CN2761860Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102792003A (en) * | 2010-03-15 | 2012-11-21 | 罗伯特·博世有限公司 | Fuel injector |
| CN102792003B (en) * | 2010-03-15 | 2015-06-17 | 罗伯特·博世有限公司 | Fuel injector |
| CN102400823A (en) * | 2011-11-09 | 2012-04-04 | 王晓燕 | Electric control oil injector of diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA FAW CO., LTD. Free format text: FORMER OWNER: CHINESE AUTO GROUP CO NO.1 Effective date: 20111115 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20111115 Address after: 130011 Changchun Province, West New Economic and Technological Development Zone, Dongfeng Street, No. 2259, No. Patentee after: China FAW Group Corporation Address before: 130011 No. 83 Dongfeng Avenue, Jilin, Changchun Patentee before: China FAW Group Corporation |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060301 Termination date: 20121015 |