CN203383958U - Engine oil injection nozzle - Google Patents
Engine oil injection nozzle Download PDFInfo
- Publication number
- CN203383958U CN203383958U CN201320495065.9U CN201320495065U CN203383958U CN 203383958 U CN203383958 U CN 203383958U CN 201320495065 U CN201320495065 U CN 201320495065U CN 203383958 U CN203383958 U CN 203383958U
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- China
- Prior art keywords
- oil
- separating plate
- oil separating
- valve gap
- groove
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- Withdrawn - After Issue
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Abstract
An engine oil injection nozzle solves the problem that an existing oil injection nozzle is low in oil injection speed and poor in oil spray quality. The engine oil injection nozzle comprises a casing, an oil inlet pipe and an oil outlet pipe, wherein a coil assembly is arranged in the casing, a valve core assembly and a valve cover are arranged in an oil outlet cavity of the oil outlet pipe, an oil injection hole is formed in the valve cover, the valve core assembly comprises a valve core and a valve rod, an oil separating plate is positioned in the valve cover, an oil injection cavity is formed by the valve core, the oil separating plate and the valve cover, and a communicating groove for communicating an oil outlet cavity and the oil injection cavity is formed in the oil separating plate. The engine oil injection nozzle is provided with the oil separating plate and the communicating groove, and the communicating groove enable the oil injection nozzle to quickly response to inject oil when the valve core assembly is lifted up. Furthermore, fuel oil can be certainly atomized by the communicating groove formed in the oil separating plate when passing through the communicating groove, then the fuel oil is injected out of the oil injection hole to be atomized twice, and accordingly the fuel oil is more completely atomized.
Description
Technical field
The utility model relates to a kind of engine fuel injector field, is specifically related to a kind of engine nozzle.
Background technique
Oil nozzle itself is a normally close valve (meaning of normally close valve is when there is no the input control signal, and valve is always in closed condition), is moved up and down the switching of control valve by a needle.When ECU assigns the oil spout instruction, the coil that its voltage signal can make electric current flow through in oil nozzle, produce magnetic field needle picked up, and allows valve opening make well oil plant spray from nozzle opening.The great advantage of spraying fuel feeding is exactly that the control of fuel delivery is very accurate, allows engine, under any state, correct air fuel ratio can be arranged, and not only allows engine keep running smooth and easy, and its waste gas also can conform with the standard of environmental regulation.
Oil nozzle as one of critical component of electronic fuel injection engine, generally include housing, oil inlet pipe, oil outlet tube, plug and coil block, plug and coil block are electrically connected to, be provided with valve gap, valve rod and steel ball in housing, valve gap is provided with nozzle opening, steel ball is located in valve gap and is sealed mutually with valve gap, makes only just oil spout when valve rod drives the steel ball rising of nozzle opening.Common existing oil nozzle, steel ball and valve gap inwall fit, and better for sealability, valve gap inwall and its required precision of steel ball are higher usually, it is larger that spheroid can be done, and affected the oil spout speed of product and existing oil nozzle and also existed in the shortcoming such as oil spout is of poor quality.
Summary of the invention
Fast not in the solution background technique, having oil nozzle oil spout speed now, the problem that the oil spout mass ratio is poor, the utility model provides a kind of engine nozzle.
The technical solution of the utility model is: a kind of engine nozzle, comprise housing, oil inlet pipe and oil outlet tube, be provided with coil block in described housing, oil outlet tube go out in oil pocket to be provided with mangetic core assembly and valve gap, described valve gap is provided with nozzle opening, described mangetic core assembly comprises spool and valve rod, be provided with oil separating plate in described valve gap, the spool of described mangetic core assembly fits through oil separating plate and valve gap inwall, form fuel injection chamber between described spool, oil separating plate and valve gap, described oil separating plate is provided with uses the connectivity slot that oil pocket is communicated with fuel injection chamber.
As a kind of improvement of the present utility model, the face that described oil separating plate bottom and valve gap fit is provided with a plurality of oil injecting grooves, described oil separating plate is provided with guiding groove along its axial direction, and described guiding groove is corresponding with oil injecting groove, and described guiding groove and oil injecting groove form described connectivity slot.
As further improvement of the utility model, described oil injecting groove is greater than the width near the oil separating plate centerline near the width at guiding groove place.
As further improvement of the utility model, described each oil injecting groove is along the oblique layout of oil separating plate circumferencial direction.
As further improvement of the utility model, the elongation line of the width Chu of described oil injecting groove center and the line of centres at narrow place is through the center line of oil separating plate.
As further improvement of the utility model, the outer circumferential walls of described oil separating plate forms described guiding groove along caving inward on its radial direction.
As further improvement of the utility model, described guiding groove is U-shaped.
As further improvement of the utility model, described coil block comprises coil carrier and be wrapped in the coil on coil carrier, and described coil is arranged with protecting jacket outward.
As further improvement of the utility model, described protecting jacket and coil carrier are the integral type structure.
The beneficial effects of the utility model are, are provided with oil separating plate and connectivity slot, the design of connectivity slot make when mangetic core assembly promotes can, oil nozzle can respond oil spout fast.When oil separating plate makes spool and valve bonnet seal, can reduce the volume of spool, thereby make the product mangetic core assembly to mention faster, thereby further shortened the response time of oil nozzle, and the fuel oil that is arranged so that of oil separating plate connectivity slot has certain atomizing effect while passing through connectivity slot, from the nozzle opening ejection, fuel oil has been carried out to twice atomization again, made fuel-oil atmozation more thorough.
The accompanying drawing explanation
The structural representation that accompanying drawing 1 is the utility model embodiment one.
The right elevation that accompanying drawing 2 is accompanying drawing 1.
The A-A sectional view that accompanying drawing 3 is accompanying drawing 2.
The rear view that accompanying drawing 4 is accompanying drawing 1.
The B-B sectional view that accompanying drawing 5 is accompanying drawing 4.
The structural representation that accompanying drawing 6 is the utility model embodiment two.
The C-C sectional view that accompanying drawing 7 is accompanying drawing 6.
Accompanying drawing 8 is the structural representation on the utility model embodiment two other directions.
The D-D sectional view that accompanying drawing 9 is accompanying drawing 8.
The structural representation that accompanying drawing 10 matches with oil separating plate 7 for valve gap 6 in the utility model embodiment one.
Accompanying drawing 11 by the utility model embodiment one, two the structural representation of use oil separating plate 7.
The structural representation that accompanying drawing 12 is another structure oil separating plate 7 in the utility model embodiment one, two.
The enlarged diagram that accompanying drawing 13 is I place in accompanying drawing 3.
In figure, 1, housing; 2, oil inlet pipe; 3, oil outlet tube; 31, go out oil pocket; 4, coil block; 41, coil carrier; 42, coil; 43, protecting jacket; 5, mangetic core assembly; 51, spool; 52, valve rod; 521, oil through; 6, valve gap; 61, nozzle opening; 62, fuel injection chamber; 63, step; 7, oil separating plate; 71, connectivity slot; 711, oil injecting groove; 712, guiding groove; 8, adjusting sleeve.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
Embodiment one: by Fig. 1 in conjunction with Fig. 2, 3, 4, 5, 10, 11, 12, shown in 13, a kind of engine nozzle, comprise housing 1, oil inlet pipe 2 and oil outlet tube 3, described oil inlet pipe 2 is connected with oil outlet tube 3, be provided with coil block 4 in described housing 1, oil outlet tube 3 go out in oil pocket 31 to be provided with mangetic core assembly 5 and valve gap 6, described valve gap 6 is provided with nozzle opening 61, described mangetic core assembly 5 comprises spool 51 and valve rod 52, be provided with oil separating plate 7 in described valve gap 6, the spool 51 of described mangetic core assembly 5 fits through oil separating plate 7 and valve gap 6 inwalls, described spool 51, form fuel injection chamber 62 between oil separating plate 7 and valve gap 6, described oil separating plate 7 is provided with uses the connectivity slot 71 that oil pocket 31 is communicated with fuel injection chamber 62.The utility model is provided with oil separating plate and connectivity slot, and the design of connectivity slot makes energy when mangetic core assembly promotes, and oil nozzle can respond oil spout fast.When oil separating plate makes spool and valve bonnet seal, can reduce the volume of spool, thereby make the product mangetic core assembly to mention faster, thereby further shortened the response time of oil nozzle, and the fuel oil that is arranged so that of oil separating plate connectivity slot has certain atomizing effect while passing through connectivity slot, from the nozzle opening ejection, fuel oil has been carried out to twice atomization again, made fuel-oil atmozation more thorough.。
Shown in accompanying drawing 1,2,3,4,5,10,11,13, be provided with step 63 in described valve gap 6, described oil separating plate 7 is located on step 63, described oil separating plate 7 is provided with a plurality of oil injecting grooves 711 with the face that valve gap 6 steps 63 fit, described oil separating plate 7 is provided with guiding groove 712 along its axial direction, described guiding groove 712 and oil injecting groove 711 are corresponding, and described guiding groove 712 and oil injecting groove 711 form described connectivity slot 71.Specifically, described oil injecting groove 711 is greater than the width near oil separating plate 7 centerline near the width at guiding groove 712 places.In particular, described each oil injecting groove 711 is along the oblique layout of oil separating plate 7 circumferencial direction.The setting of guiding groove and oil injecting groove, make in fuel injection chamber and be full of all the time oil, as long as electromagnetic coil makes mangetic core assembly rise, the utility model just can respond oil spout fast, thereby make this product oil spout speed faster, the oil pressure when oil injecting groove of simultaneously oblique setting can make oil spout is higher, be beneficial to oil spout and atomization makes, being convenient to fuel oil and fully burning, is optimal way of the present utility model.Specifically, the outer circumferential walls of described oil separating plate 7 forms described guiding groove 712 along caving inward on its radial direction.Such guiding groove is easy to process, and has avoided impurity to stop up guiding groove, is convenient to maintenance.In particular, described guiding groove 712 is U-shaped.Be convenient to like this for the fuel injection chamber oil-feed.
Shown in accompanying drawing 1,2,3,4,5,12, be provided with step 63 in described valve gap 6, described oil separating plate 7 is located on step 63, the face that oil separating plate 7 bottoms and valve gap 6 fit is provided with a plurality of oil injecting grooves 711, specifically, described oil separating plate 7 is provided with a plurality of oil injecting grooves 711 with the face that valve gap 6 steps 63 fit, described oil separating plate 7 is provided with guiding groove 712 along its axial direction, described guiding groove 712 and oil injecting groove 711 are corresponding, and described guiding groove 712 and oil injecting groove 711 form described connectivity slot 71.Specifically, described oil injecting groove 711 is greater than the width near oil separating plate 7 centerline near the width at guiding groove 712 places.In particular, the elongation line of the width Chu of described oil injecting groove 711 center and the line of centres at narrow place is through the center line of oil separating plate 7.The setting of guiding groove and oil injecting groove, make in fuel injection chamber and be full of all the time oil, as long as electromagnetic coil makes mangetic core assembly rise, the utility model just can respond oil spout fast, thereby make this product oil spout speed faster, oil pressure when simultaneously oil injecting groove can make oil spout is higher, is beneficial to oil spout and atomization makes, and is convenient to fuel oil and fully burns.And so relatively simple for structure, production is easy to process.Specifically, the outer circumferential walls of described oil separating plate 7 forms described guiding groove 712 along caving inward on its radial direction.Such guiding groove is easy to process, and has avoided impurity to stop up guiding groove, is convenient to maintenance.In particular, described guiding groove 712 is U-shaped.Be convenient to like this for the fuel injection chamber oil-feed.
Described coil block 4 comprises coil carrier 41 and is wrapped in the coil 42 on coil carrier 41, the outer protecting jacket 43 that is arranged with of described coil 42.Described protecting jacket 43 is the integral type structure with coil carrier 41.Arranging of protecting jacket can be protected coil, avoids coil contact miscellaneous part, guarantees the product leakproof.In particular, after twining on coil carrier and coiling, then, by the outer injection moulding protecting jacket of coil carrier, making protecting jacket and coil carrier is the integral type structure, makes product structure simple, easy for installation, avoids coil to contact with miscellaneous part, has guaranteed the coil leakproof.
Embodiment two: the oil inlet pipe in embodiment one directly is communicated with oil outlet tube, in embodiment two, can adopt in accompanying drawing shown in 6,7,8,9,10,11, oil inlet pipe 2 and oil outlet tube 3 are connected by adjusting sleeve 8, adjusting sleeve 8 is connected with mangetic core assembly 5, valve rod 52 places on mangetic core assembly 5 be provided with for go out oil pocket 31 oil through 521 that is connected, the oil through 521 of fuel oil on oil inlet pipe 2, adjusting sleeve 8, mangetic core assembly 5 flows to out oil pocket.In embodiment one, be provided with step in valve gap, in embodiment two, oil separating plate is placed directly in the groove of valve gap, and spool seals mutually with the conical surface of valve gap, when spool promotes, fuel oil is through the fuel injection chamber that is injected into of connectivity slot, be injected into again in motor, realize the secondary-atomizing fuel oil, make fuel oil energy fully burn.
Certainly, in the utility model, connectivity slot can be also intercommunicating pore.
Certainly at the utility model, containing groove is set on valve gap, oil separating plate is arranged in containing groove and also can realizes.The mode that in the utility model, the structure of mangetic core assembly also can adopt valve seat to be connected with steel ball simultaneously.
Structure in the utility model is applicable to the Incylinder direct injection oil nozzle, can certainly be for intake manifold formula oil nozzle.
Every technician's notice: although the utility model describes according to above-mentioned embodiment; but invention thought of the present utility model is not limited in this model utility; the repacking of any utilization inventive concept, all will include in this patent scope of patent protection.
Claims (9)
1. an engine nozzle, comprise housing (1), oil inlet pipe (2) and oil outlet tube (3), be provided with coil block (4) in described housing (1), oil outlet tube (3) go out in oil pocket (31) to be provided with mangetic core assembly (5) and valve gap (6), described valve gap (6) is provided with nozzle opening (61), it is characterized in that: described mangetic core assembly (5) comprises spool (51) and valve rod (52), be provided with oil separating plate (7) in described valve gap (6), described spool (51) fits through oil separating plate (7) and valve gap (6) inwall, described spool (51), form fuel injection chamber (62) between oil separating plate (7) and valve gap (6), described oil separating plate (7) is provided with uses the connectivity slot (71) that oil pocket (31) is communicated with fuel injection chamber (62).
2. a kind of engine nozzle according to claim 1, it is characterized in that the face that described oil separating plate (7) bottom and valve gap (6) fit is provided with a plurality of oil injecting grooves (711), described oil separating plate (7) is provided with guiding groove (712) along its axial direction, described guiding groove (712) and oil injecting groove (711) are corresponding, and described guiding groove (712) and oil injecting groove (711) form described connectivity slot (71).
3. a kind of engine nozzle according to claim 2, is characterized in that the width that described oil injecting groove (711) is located near guiding groove (712) is greater than the width near oil separating plate (7) centerline.
4. a kind of engine nozzle according to claim 3, is characterized in that described each oil injecting groove (711) is along the oblique layout of oil separating plate (7) circumferencial direction.
5. a kind of engine nozzle according to claim 3, is characterized in that the center line of the elongation line of the width Chu of described oil injecting groove (711) center and the line of centres at narrow place through oil separating plate (7).
6. according to claim 2 or 3 or 4 or 5 described a kind of engine nozzles, its feature forms described guiding groove (712) in the outer circumferential walls of described oil separating plate (7) along caving inward on its radial direction.
7. a kind of engine nozzle according to claim 6, its feature is U-shaped at described guiding groove (712).
8. a kind of engine nozzle according to claim 1, is characterized in that described coil block (4) comprises coil carrier (41) and is wrapped in the coil (42) on coil carrier (41), the outer protecting jacket (43) that is arranged with of described coil (42).
9. a kind of engine nozzle according to claim 8, is characterized in that described protecting jacket (43) and coil carrier (41) are the integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320495065.9U CN203383958U (en) | 2013-08-14 | 2013-08-14 | Engine oil injection nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320495065.9U CN203383958U (en) | 2013-08-14 | 2013-08-14 | Engine oil injection nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203383958U true CN203383958U (en) | 2014-01-08 |
Family
ID=49872465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320495065.9U Withdrawn - After Issue CN203383958U (en) | 2013-08-14 | 2013-08-14 | Engine oil injection nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203383958U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410647A (en) * | 2013-08-14 | 2013-11-27 | 温州巴腾电子科技有限公司 | Injection nozzle of engine |
| WO2018195894A1 (en) * | 2017-04-28 | 2018-11-01 | 浙江巴腾动力系统有限公司 | Automobile fuel injector |
-
2013
- 2013-08-14 CN CN201320495065.9U patent/CN203383958U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410647A (en) * | 2013-08-14 | 2013-11-27 | 温州巴腾电子科技有限公司 | Injection nozzle of engine |
| CN103410647B (en) * | 2013-08-14 | 2015-10-07 | 温州巴腾电子科技有限公司 | A kind of engine nozzle |
| WO2018195894A1 (en) * | 2017-04-28 | 2018-11-01 | 浙江巴腾动力系统有限公司 | Automobile fuel injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140108 Effective date of abandoning: 20151007 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |