CN203783787U - Fuel nozzle of engine - Google Patents
Fuel nozzle of engine Download PDFInfo
- Publication number
- CN203783787U CN203783787U CN201420188751.6U CN201420188751U CN203783787U CN 203783787 U CN203783787 U CN 203783787U CN 201420188751 U CN201420188751 U CN 201420188751U CN 203783787 U CN203783787 U CN 203783787U
- Authority
- CN
- China
- Prior art keywords
- interior pipe
- nozzle
- pipe box
- pipe sleeve
- outer tube
- 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
Links
Abstract
The utility model relates to a fuel nozzle of an engine. The fuel nozzle of the engine sequentially comprises an outer pipe sleeve, an inner pipe sleeve and an air nozzle from outside to inside, wherein a fuel oil injection cavity is formed between the outer pipe sleeve and the inner pipe sleeve, a conical hole is formed in the top end of the air nozzle, a throttling ring is arranged at the side, located in an inner cavity of the air nozzle, of the conical hole, a transition section connected with the inner wall of the inner pipe sleeve is arranged on the conical hole, a plurality of oil outlet holes communicated with the fuel oil injection cavity are formed in the inner wall of the inner pipe sleeve at the tail end of the transition section, and an oil-air mixture throttling plug is arranged at the top end of the outer pipe sleeve. The fuel nozzle of the engine is simple in structure, is reasonable in design, drives the oil outlet amount of fuel oil by adjusting the inlet air pressure to adjust the mixing of the air and the fuel oil, is efficient, convenient and rapid to use, is low in manufacturing and machining cost and has high practical value.
Description
Technical field
The utility model relates to engine fuel nozzle.
Background technique
In known technical field, on motor, one of crucial parts are fuel nozzle, its structural design efficiently whether, will directly have influence on the combustion efficiency of fuel oil, fuel nozzle is atomized fuel special nozzle, can produce hollow, solid spray shape.
Model utility content
The technical problems to be solved in the utility model is: a kind of simple in structure, engine fuel nozzle that can improve fuel oil and air mixability is provided.
The utility model solves the technological scheme that its technical problem adopts: a kind of engine fuel nozzle, there is the outer tube sleeve setting gradually from outside to inside, interior pipe box and air nozzle, between described outer tube sleeve and interior pipe box, form fuel oil note chamber, and the top of described outer tube sleeve is conical structure, the inner side of described interior pipe box is provided with the transition circle segmental arc to central axis bending, the outer wall of described air nozzle is close to the inwall of interior pipe box, and the top at described air nozzle is provided with conical bore, a side that is positioned at air nozzle inner chamber on described conical bore is provided with restrictor ring, on described restrictor ring, be provided with several air outlet holes, on described conical bore, be provided with the inwall of interior pipe box along the changeover portion connecing, and be provided with multiple oil outlets that are connected with fuel oil note chamber on the inwall of the interior pipe box of the tail end of described changeover portion, be provided with gas mixture orifice plug at the top end of described outer tube sleeve, on described gas mixture orifice plug, be provided with multiple through holes.
Further, as a kind of concrete mode of execution, the orifice plug of gas mixture described in the utility model is weldingly fixed on the outer wall of outer tube sleeve by retaining ring.
The beneficial effects of the utility model are: the utility model is simple in structure, reasonable in design, by the adjusting of air inlet air pressure, drive the oil pump capacity of fuel oil, to adjust mixing of air and fuel oil, efficiently convenient, manufacture low processing cost, have use value.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
In figure: 1. outer tube sleeve, 2. interior pipe box, 21. transition circle segmental arcs, 3. air nozzle, 31. conical bores, 32. changeover portions, 4. restrictor ring, 41. oil outlets, 5. gas mixture orifice plug, 6. retaining ring.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present utility model is only described in a schematic way, and therefore it only shows the formation relevant with the utility model.
The preferred embodiment of the utility model engine fuel nozzle as shown in Figure 1, there is the outer tube sleeve 1 setting gradually from outside to inside, interior pipe box 2 and air nozzle 3, between described outer tube sleeve 1 and interior pipe box 2, form fuel oil note chamber, and the top of described outer tube sleeve 1 is conical structure, the inner side of described interior pipe box 2 is provided with the transition circle segmental arc 21 to central axis bending, the outer wall of described air nozzle 3 is close to the inwall of interior pipe box 2, and be provided with conical bore 31 on the top of described air nozzle 3, a side that is positioned at air nozzle 3 inner chambers on described conical bore 31 is provided with restrictor ring 4, on described restrictor ring 4, be provided with several air outlet holes, on described conical bore 31, be provided with the inwall of interior pipe box 2 along the changeover portion 32 connecing, and be provided with multiple oil outlets 41 that are connected with fuel oil note chamber on the inwall of the interior pipe box 2 of the tail end of described changeover portion 32, be provided with gas mixture orifice plug 5 at the top end of described outer tube sleeve 1, on described gas mixture orifice plug 5, be provided with multiple through holes.
Described gas mixture orifice plug 5 is weldingly fixed on the outer wall of outer tube sleeve 1 by retaining ring 6.
The utility model is simple in structure, reasonable in design, by the adjusting of air inlet air pressure, drives the oil pump capacity of fuel oil, to adjust mixing of air and fuel oil, efficiently convenient, manufactures low processing cost, has use value.
Taking above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this model utility technological thought, carry out various change and amendment completely.The technical scope of this model utility is not limited to the content on specification, must determine its technical scope according to claim scope.
Claims (2)
1. an engine fuel nozzle, it is characterized in that: there is the outer tube sleeve (1) setting gradually from outside to inside, interior pipe box (2) and air nozzle (3), between described outer tube sleeve (1) and interior pipe box (2), form fuel oil note chamber, and the top of described outer tube sleeve (1) is conical structure, the inner side of described interior pipe box (2) is provided with the transition circle segmental arc (21) to central axis bending, the outer wall of described air nozzle (3) is close to the inwall of interior pipe box (2), and be provided with conical bore (31) on the top of described air nozzle (3), a side that is positioned at air nozzle (3) inner chamber on described conical bore (31) is provided with restrictor ring (4), on described restrictor ring (4), be provided with several air outlet holes, on described conical bore (31), be provided with the inwall of interior pipe box (2) along the changeover portion (32) connecing, and be provided with multiple oil outlets (41) that are connected with fuel oil note chamber on the inwall of the interior pipe box (2) of the tail end of described changeover portion (32), be provided with gas mixture orifice plug (5) at the top end of described outer tube sleeve (1), on described gas mixture orifice plug (5), be provided with multiple through holes.
2. engine fuel nozzle as claimed in claim 1, is characterized in that: described gas mixture orifice plug (5) is weldingly fixed on the outer wall of outer tube sleeve (1) by retaining ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188751.6U CN203783787U (en) | 2014-04-17 | 2014-04-17 | Fuel nozzle of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188751.6U CN203783787U (en) | 2014-04-17 | 2014-04-17 | Fuel nozzle of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203783787U true CN203783787U (en) | 2014-08-20 |
Family
ID=51319980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420188751.6U Expired - Fee Related CN203783787U (en) | 2014-04-17 | 2014-04-17 | Fuel nozzle of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203783787U (en) |
-
2014
- 2014-04-17 CN CN201420188751.6U patent/CN203783787U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20150417 |
|
| EXPY | Termination of patent right or utility model |