CN206694167U - The centrifuging temperature spray nozzle device of stable atomization quality - Google Patents
The centrifuging temperature spray nozzle device of stable atomization quality Download PDFInfo
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- CN206694167U CN206694167U CN201720358826.4U CN201720358826U CN206694167U CN 206694167 U CN206694167 U CN 206694167U CN 201720358826 U CN201720358826 U CN 201720358826U CN 206694167 U CN206694167 U CN 206694167U
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- Prior art keywords
- oil
- nozzle
- neck bush
- circuit
- oil circuit
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Abstract
It the utility model is related to a kind of centrifuging temperature spray nozzle device of stable atomization quality, oil inlet pipe connects with removable neck bush, removable neck bush side wall is provided with neck bush oil window corresponding with external bushing oil window position, removable neck bush bottom is provided with preloading spring, when oil pressure reaches setting value in removable neck bush, removable neck bush overcomes preloading spring elastic force to move down, oil circuit increase between neck bush oil window and external bushing oil window, if pressure produces fluctuation in oil circuit, due to the effect of preloading spring, suppression that the fluctuation of fuel pressure obtains；Oil circuit nozzle is multi-channel structure.The utility model stabilizes oil circuit oil pressure, preferably controls oil spout quality, so as to preferably be controlled fuel-oil atmozation.
Description
Technical field
It the utility model is related to a kind of fuel nozzle arrangement, more particularly to a kind of centrifuging temperature spray of stable atomization quality
Mouth device, belong to fuel nozzle arrangement technical field.
Background technology
Fuel nozzle is applied to engine, including cavity, fuel tap and cap of spraying nozzle, when the fuel pressure in oil pocket is higher than given
During value, fuel tap is opened, and fuel oil is sprayed by cap of spraying nozzle, and fuel tap is made up of valve body, valve seat and spring, and rear end and the cavity of valve seat connect
Connect to form oil pocket, cavity is provided with the access road into oil pocket, and spring is located in oil pocket, and acts between valve body and valve seat and make
Fuel tap is closed, and the front end of valve seat is connected to form remaining volume with cap of spraying nozzle, and cap of spraying nozzle is provided with the spray orifice being connected with remaining volume.
Mainly by fuel oil, caused high-speed jet makes fuel oil atomized under pressure differential effect for mechanical atomization, and it again may be used
It is subdivided into direct-injection type, centrifugal and rotation type atomization.Direct-injection type is atomized and centrifugal spraying can be collectively referred to as pressure atomization.Due to straight
The injection that the formula of penetrating relies primarily on fuel oil reaches the purpose of atomization, therefore the requirement of oil pressure is higher, and injection diameter gets over dense fog
Change is thicker, therefore injection diameter can not be too big, and flow adjustment range is smaller.Centrifugal spraying is to be filled using highly pressurised liquid through eddy flow
Centrifugal force produces liquid film caused by putting, and is crushed and be atomized by air.
Existing centrifugal spraying fuel nozzle has following defect：
1) disengaging of oil mass is typically controlled by the fuel tap in oil pocket, if the oil pressure in oil pocket produces fluctuation,
The radius of spray of jet expansion oil spout will produce change, and shadow will be produced to atomization quality when tracheal pressure has little time change
Ring；
2) gas circuit gas and oil circuit liquid contact-impact are not abundant enough, and the atomization diameter of gas mixture is unstable, atomization
Therefore quality is affected.
Utility model content
The purpose of this utility model is：Establishing buffer gear for oil pocket pressure improves oil spout quality, is sprayed stable
Fuel oil is rotated after oil quality using centrifugal swirler passages.Gas channels also carry out vortex flow in outside simultaneously, and
In outlet, rotation is thrown away is sufficiently mixed with the vortex fuel oil in internal channel, meanwhile, the utility model is to existing centrifugal
Nozzle arrangements and oil spout nozzle are improved, and using the scheme for exporting multiple rows of design, add the chance with gas circuit gas collisions,
Ensure that gas mixture has stable atomization diameter, so as to improve atomization quality.
The utility model takes following technical scheme：
A kind of centrifuging temperature spray nozzle device of stable atomization quality, including air inlet pipe 1, oil inlet pipe 2, gas circuit nozzle 5, oil
Road nozzle 6, removable neck bush 7, neck bush oil window 8, external bushing oil window 9, irremovable external bushing 10, preloading spring 12；Institute
State oil inlet pipe 2 to connect with removable neck bush 7, the removable side wall of neck bush 7 is provided with and the position correspondence of external bushing oil window 9
Neck bush oil window 8, the removable bottom of neck bush 7 is provided with preloading spring 12, when oil pressure reaches setting value in removable neck bush 7
When, removable neck bush 7 overcomes preloading spring elastic force to move down, and the oil circuit between neck bush oil window 8 and external bushing oil window 9 increases
Greatly, if pressure produces fluctuation in oil circuit, due to the effect of preloading spring, suppression that the fluctuation of fuel pressure obtains；It is described enter
Tracheae 1 connects with gas circuit vortex entrance 3, and the gas circuit vortex entrance 3 connects with gas circuit nozzle 5 in a ring straight down；
The irremovable external bushing 10 connects with oil circuit nozzle entrance 13, and the oil circuit nozzle entrance 13 is with being horizontally disposed with a ring
Oil circuit nozzle 6 connects, and the oil circuit nozzle 6 is multi-channel structure；The oil circuit nozzle 6 and gas circuit nozzle 5 are perpendicular.
Further, in addition to oil circuit swirl inlet 4, neck bush baffle plate 11；The fuel oil flowed out from external bushing oil window 9 passes through
Neck bush baffle plate 11 flows through preloading spring 12 and enters oil circuit vortex entrance 4, and the oil after centrifugal atomizing passes through oil circuit nozzle entrance
13 enter in oil circuit nozzle 6 and are sprayed.
Further, each oil circuit nozzle 6 has 3 row's nozzles.
Further, air inlet pipe 1, gas circuit vortex entrance 3, gas circuit nozzle 5 are equipped with least two, each gas circuit nozzle 5 according to
Secondary distribution and the outside of the oil circuit nozzle 6 in a ring.
A kind of method of work of above-mentioned centrifuging temperature spray nozzle device, engine fuel is flowed into from oil inlet pipe 2 can
In movement neck bush 7, and removable neck bush 7 is extruded, when oil circuit pressure is higher than the pretightning force of preloading spring 12, may move interior
Bushing 7 moves down, while the oil circuit increase between neck bush oil window 8 and external bushing oil window 9, if pressure produces ripple in oil circuit
Dynamic, due to the effect of preloading spring 12, the fluctuation of fuel pressure can be very good to suppress；The fuel oil flowed out from external bushing oil window 9
Preloading spring 12 is flowed through by neck bush baffle plate 11 and enters oil circuit vortex entrance 4, and under the effect of the pressure, fuel oil starts to rotate
And centrifugal atomizing is carried out, eventually pass through oil circuit nozzle entrance 13 and enter in oil circuit nozzle 6 and sprayed；Gas circuit gas is from air inlet
Pipe 1 enters, and flow to gas circuit vortex entrance 3, and under the influence of air pressure, gas starts to rotate, and is sprayed from gas circuit nozzle 5, with oil
The fuel oil that road nozzle 6 sprays carries out vortex mixed and is atomized.
The beneficial effects of the utility model are：
1) oil circuit oil pressure is stabilized, preferably controls oil spout quality, so as to preferably be controlled fuel-oil atmozation；
2) more pneumatic circuit centrifugal spraying designs, improve atomization quality；
3) fuel nozzle is improved, using the scheme for exporting multiple rows of design, added and gas circuit gas collisions
Chance, so as to improve atomization quality；
4) atomization quality is stable, not to becoming atomization quality with oil circuit pressure fluctuation caused by engine vibration
Difference.
Brief description of the drawings
Fig. 1 is the front view of the centrifuging temperature spray nozzle device of the stable atomization quality of the utility model.
Fig. 2 is the left view of the centrifuging temperature spray nozzle device of the stable atomization quality of the utility model.
Fig. 3 is the left top view of the centrifuging temperature spray nozzle device of the stable atomization quality of the utility model.
Fig. 4 is the stereogram of the centrifuging temperature spray nozzle device of the stable atomization quality of the utility model.
Fig. 5 is the main view enlarged drawing of the centrifuging temperature spray nozzle device of the stable atomization quality of the utility model.
Fig. 6 is A-A in Fig. 5 to sectional view.
Fig. 7 is the enlarged drawing at D positions in Fig. 6.
Fig. 8 is the enlarged drawing at E positions in Fig. 6.
Fig. 9 is the partial enlarged drawing in Fig. 8.
In figure, 1. air inlet pipe, 2. oil inlet pipes, 3. gas circuit vortex entrances, 4. oil circuit swirl inlets, 5. gas circuit nozzles, 6. oil
Road nozzle, 7. removable neck bush, 8. neck bush oil windows, 9. external bushing oil windows, 10. irremovable external bushings, 11. neck bush gear
Plate, 12. preloading springs, 13. oil circuit nozzle entrances.
Embodiment
The utility model is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one：
Referring to Fig. 1-9, a kind of centrifuging temperature spray nozzle device of stable atomization quality, including air inlet pipe 1, oil inlet pipe 2, gas
Road nozzle 5, oil circuit nozzle 6, removable neck bush 7, neck bush oil window 8, external bushing oil window 9, irremovable external bushing 10, pretension
Spring 12；The oil inlet pipe 2 is connected with removable neck bush 7, and the removable side wall of neck bush 7 is provided with and external bushing oil window 9
The neck bush oil window 8 of position correspondence, the removable bottom of neck bush 7 is provided with preloading spring 12, when oil pressure reaches in removable neck bush 7
During to setting value, removable neck bush 7 overcomes preloading spring elastic force to move down, between neck bush oil window 8 and external bushing oil window 9
Oil circuit increase, if pressure produces fluctuation in oil circuit, due to the effect of preloading spring, suppression that the fluctuation of fuel pressure obtains
System；The air inlet pipe 1 connects with gas circuit vortex entrance 3, and the gas circuit vortex entrance 3 sprays with gas circuit in a ring straight down
Mouth 5 connects；The irremovable external bushing 10 is connected with oil circuit nozzle entrance 13, and the oil circuit nozzle entrance 13 is set with level
The oil circuit nozzle 6 put in a ring connects, and the oil circuit nozzle 6 is multi-channel structure；The oil circuit nozzle 6 and the phase of gas circuit nozzle 5
Vertically.
In this embodiment, referring to Fig. 6-8, in addition to oil circuit swirl inlet 4, neck bush baffle plate 11；From external bushing oil window 9
The fuel oil of outflow flows through preloading spring 12 by neck bush baffle plate 11 and enters oil circuit vortex entrance 4, the oil warp after centrifugal atomizing
Cross oil circuit nozzle entrance 13 and enter in oil circuit nozzle 6 and sprayed.
In this embodiment, there are 3 row's nozzles referring to Fig. 9, each oil circuit nozzle 6.
A kind of method of work of above-mentioned centrifuging temperature spray nozzle device, engine fuel is flowed into from oil inlet pipe 2 can
In movement neck bush 7, and removable neck bush 7 is extruded, when oil circuit pressure is higher than the pretightning force of preloading spring 12, may move interior
Bushing 7 moves down, while the oil circuit increase between neck bush oil window 8 and external bushing oil window 9, if pressure produces ripple in oil circuit
Dynamic, due to the effect of preloading spring 12, the fluctuation of fuel pressure can be very good to suppress；The fuel oil flowed out from external bushing oil window 9
Preloading spring 12 is flowed through by neck bush baffle plate 11 and enters oil circuit vortex entrance 4, and under the effect of the pressure, fuel oil starts to rotate
And centrifugal atomizing is carried out, eventually pass through oil circuit nozzle entrance 13 and enter in oil circuit nozzle 6 and sprayed；Gas circuit gas is from air inlet
Pipe 1 enters, and flow to gas circuit vortex entrance 3, and under the influence of air pressure, gas starts to rotate, and is sprayed from gas circuit nozzle 5, with oil
The fuel oil that road nozzle 6 sprays carries out vortex mixed and is atomized.
Embodiment two：
It is with the difference of embodiment one, the present embodiment gas circuit vortex entrance 3, gas circuit nozzle 5 are equipped with two, two
The outside being distributed with the oil circuit nozzle 6 of gas circuit nozzle 5 successively in a ring.
It can be seen that the outside of oil circuit nozzle 6 is provided with an annular gas circuit nozzle 5 in 8 in accompanying drawing, and the present embodiment is the same as 8
Shown in the outside of gas circuit nozzle 5 the larger annular gas circuit nozzle of another external diameter is being set, can equally be sprayed with oil circuit
The position of mouth 6 is corresponding.
The utility model stabilizes oil circuit oil pressure, preferably controls oil spout quality, preferable so as to be carried out to fuel-oil atmozation
Control；More pneumatic circuit centrifugal spraying designs, improve atomization quality；Fuel nozzle is improved, uses outlet
The scheme of multiple rows of design, the chance with gas circuit gas collisions is added, so as to improve atomization quality；Atomization quality is stable, no
To making atomization quality be deteriorated with oil circuit pressure fluctuation caused by engine vibration.
Above is two embodiments are preferred embodiment of the present utility model, those of ordinary skill in the art can also be
Various conversion or improvement are carried out on the basis of this, on the premise of the total design of the utility model is not departed from, these conversion or improvement
Belong to the requires of the utility model protection within the scope of.
Claims (4)
- A kind of 1. centrifuging temperature spray nozzle device of stable atomization quality, it is characterised in that：Including air inlet pipe (1), oil inlet pipe (2), gas circuit nozzle (5), oil circuit nozzle (6), removable neck bush (7), neck bush oil Window (8), external bushing oil window (9), irremovable external bushing (10), preloading spring (12)；The oil inlet pipe (2) is connected with removable neck bush (7), and removable neck bush (7) side wall is provided with and external bushing oil The neck bush oil window (8) of window (9) position correspondence, removable neck bush (7) bottom is provided with preloading spring (12), when removable liner When set (7) interior oil pressure reaches setting value, removable neck bush (7) overcomes preloading spring elastic force to move down, neck bush oil window (8) Oil circuit increase between external bushing oil window (9), if pressure produces fluctuation in oil circuit, due to the effect of preloading spring, fuel oil The suppression that the fluctuation of pressure obtains；The air inlet pipe (1) connects with gas circuit vortex entrance (3), the gas circuit vortex entrance (3) with straight down in a ring Gas circuit nozzle (5) connection；The irremovable external bushing (10) connects with oil circuit nozzle entrance (13), and the oil circuit nozzle entrance (13) sets with level Oil circuit nozzle (6) connection in a ring is put, the oil circuit nozzle (6) is multi-channel structure；The oil circuit nozzle (6) and gas circuit nozzle (5) are perpendicular.
- 2. the centrifuging temperature spray nozzle device of stable atomization quality as claimed in claim 1, it is characterised in that：Also include oil circuit Swirl inlet (4), neck bush baffle plate (11)；The fuel oil flowed out from external bushing oil window (9) flows through pre- by neck bush baffle plate (11) Tight spring (12) enters oil circuit vortex entrance (4), and the oil after centrifugal atomizing enters oil circuit by oil circuit nozzle entrance (13) Nozzle is sprayed in (6).
- 3. the centrifuging temperature spray nozzle device of stable atomization quality as claimed in claim 1, it is characterised in that：Each oil circuit spray Mouth (6) has 3 row's nozzles.
- 4. the centrifuging temperature spray nozzle device of stable atomization quality as claimed in claim 1, it is characterised in that：Air inlet pipe (1), Gas circuit vortex entrance (3), gas circuit nozzle (5) are equipped with least two, the distribution of each gas circuit nozzle (5) successively in a ring with it is described The outside of oil circuit nozzle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720358826.4U CN206694167U (en) | 2017-04-06 | 2017-04-06 | The centrifuging temperature spray nozzle device of stable atomization quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720358826.4U CN206694167U (en) | 2017-04-06 | 2017-04-06 | The centrifuging temperature spray nozzle device of stable atomization quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206694167U true CN206694167U (en) | 2017-12-01 |
Family
ID=60440811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720358826.4U Expired - Fee Related CN206694167U (en) | 2017-04-06 | 2017-04-06 | The centrifuging temperature spray nozzle device of stable atomization quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206694167U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044372A (en) * | 2017-04-06 | 2017-08-15 | 上海工程技术大学 | The centrifuging temperature spray nozzle device and its method of work of stable atomization quality |
| CN114753953A (en) * | 2022-05-18 | 2022-07-15 | 沈阳航空航天大学 | Centrifugal nozzle with carbon deposition self-cleaning function |
-
2017
- 2017-04-06 CN CN201720358826.4U patent/CN206694167U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044372A (en) * | 2017-04-06 | 2017-08-15 | 上海工程技术大学 | The centrifuging temperature spray nozzle device and its method of work of stable atomization quality |
| CN114753953A (en) * | 2022-05-18 | 2022-07-15 | 沈阳航空航天大学 | Centrifugal nozzle with carbon deposition self-cleaning function |
| CN114753953B (en) * | 2022-05-18 | 2023-03-31 | 沈阳航空航天大学 | Centrifugal nozzle with carbon deposition self-cleaning function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20210406 |