CN202903487U - Heat blowing adjustable nozzle - Google Patents
Heat blowing adjustable nozzle Download PDFInfo
- Publication number
- CN202903487U CN202903487U CN 201220599121 CN201220599121U CN202903487U CN 202903487 U CN202903487 U CN 202903487U CN 201220599121 CN201220599121 CN 201220599121 CN 201220599121 U CN201220599121 U CN 201220599121U CN 202903487 U CN202903487 U CN 202903487U
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- Prior art keywords
- nozzle
- adjustable
- hot blow
- inner conical
- cone
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- Expired - Fee Related
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Abstract
The utility model provides a heat blowing adjustable nozzle, which comprises a nozzle body and a nozzle core which can be movably installed in the nozzle body. The nozzle body comprises a nozzle shell and an installation part which is arranged in the nozzle shell and used for installing the nozzle core. The inner wall surface of the nozzle shell and the outer wall surface of the installation part form a fuel oil channel. The nozzle shell is provided with a port communicated with the fuel oil channel. The nozzle core of the heat blowing adjustable nozzle can be movably installed on the nozzle body, and the cone angle of a conical body is slightly smaller than the cone angle of an inner conical cavity, thereby enabling the heat blowing adjustable nozzle to be able to meet environmental requirements of different oil supply and different pressure, and ensuring ejected fuel oil spray to be uniform; an inverted cone enables the fuel oil to be impacted into particles so as to form oil spray, thereby improving the atomization quality; and the adjustable opening is convenient for pushing the nozzle core to move along the axial direction so as to meet requirements of various oil supply environments.
Description
Technical field
The utility model relates to the supercharger field, especially, relates to a kind of hot blow adjustable nozzle
Background technology
Existing internal combustion engine all needs to adopt supercharging technology, usually, supercharger is installed in internal combustion engine.The exploitation of supercharger new varieties, the raising of booster performance all be unable to do without test-bed, and atomizer is the indispensable facility of Capability of Compressor testing table, turbine performance testing table, overspeed test bench, containing testing table and self-loopa testing table.
Existing testing table mainly adopts following two kinds of measures in order to improve the turbine inlet energy: the one, increase wind regime pressure; The 2nd, improve Temperature of Working.
The one, improve wind regime pressure; Not only consume energy greatly and improve wind regime pressure, and be subject to the air compressor structure restriction, initial investment is also larger, and the source of the gas bull is used, and air pressure is difficult to stablize.This method is commonly called as ' cold blowing ', and its working medium finite energy is used for carrying out the Capability of Compressor test, has limited supercharger speed and has further improved.
The 2nd, improve Temperature of Working; Improve Temperature of Working two kinds of channels are arranged: the one, electrical heating.Although its working medium of electrical heating is pollution-free, stable gas pressure, very favourable to improving the supercharger performance test precision, one-time investment is large, and floor area is many, and energy consumption is many in the use, at present, and except special stand, less employing.The 2nd, use the oil jetting combustion heating working medium.Although the heating working medium small investment is taken up an area littlely, heating is fast.If flameholding, abundant, then the power pressure pulsation is little, and pollutant is few.Yet make oil inflame abundant, key is that fuel oil sprays the formation of gentle stream.The velocity field that in other words, rational fuel concentration field and air-flow be arranged.Therefore needing the rational atomizer of project organization is to guarantee the working medium homogeneous heating.
The utility model content
The utility model purpose is to provide the oil inflame of the existing nozzle ejection of a solution insufficient, so that the inhomogeneous technical matters of working medium heating.
For achieving the above object, according to an aspect of the present utility model, provide a kind of hot blow adjustable nozzle, having comprised: nozzle body reaches the nozzle core that is installed in movably in the nozzle body; Wherein, nozzle body comprises nozzle housing and is arranged on the installation portion that is used for installing nozzle core in the nozzle housing; The internal face of nozzle housing and the outside wall surface of installation portion form the fuel gallery; Nozzle housing is provided with the spout that communicates with the fuel gallery.
Further, spout comprises the inner conical chamber that directly communicates with the fuel gallery and the male-tapered chamber that communicates with the inner conical chamber; Wherein, the large end in inner conical chamber is towards the fuel gallery, and the small end in male-tapered chamber is towards the inner conical chamber; One end of nozzle core is installed in the inner conical chamber, is provided with the gap of logical oil between nozzle core and the inner conical chamber.
Further, the cone angle in male-tapered chamber is 115 ° ~ 125 °.
Further, the cone angle in male-tapered chamber is 120 °.
Further, the installation portion of nozzle body is provided with the fitting recess that nozzle core is slided.
Further, nozzle core comprises the fixing body that cooperates with the installation portion of nozzle body and the cone-shaped body that links to each other with fixing body, and fixing body is installed in the fitting recess movably, and cone-shaped body is installed in the inner conical chamber.
Further, fitting recess and fixing body are threaded.
Further, the cone angle of cone-shaped body is less than the cone angle in inner conical chamber.
Further, the end of cone-shaped body also is provided with so that the reverse taper of fuel spray bounce-back, and the small end face of reverse taper and the small end face of cone-shaped body are oppositely arranged.
Further, the fixing body of nozzle core is provided with the adjusting opening of the relative position of being convenient to regulate nozzle core and nozzle body.
Further, the hot blow adjustable nozzle also comprises the attaching nut, and nozzle housing is provided with the screw thread that cooperates with the attaching nut.
Further, the hot blow adjustable nozzle also comprises sealing gasket, and sealing gasket is installed in the end of attaching nut and nozzle housing.
The utlity model has following beneficial effect:
1, nozzle core of the present utility model is installed on the nozzle body movably, and the cone angle of cone-shaped body is slightly smaller than the cone angle in inner conical chamber, so that this hot blow adjustable nozzle can satisfy the environmental demand of different fuel deliveries, different pressures, and can guarantee that the fuel spray heating that sprays is rear so that the working medium homogeneous heating;
2, reverse taper is formed mist of oil so that fuel oil further impacts into particle, improves atomization quality;
3, regulating opening, to be convenient to promote nozzle core mobile vertically, satisfies the demand of multiple fuel feeding environment;
4, simple in structure, the handling ease, with low cost of hot blow adjustable nozzle of the present utility model.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.The below is described in further detail the utility model with reference to figure.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the cross-sectional schematic of the utility model preferred embodiment hot blow adjustable nozzle;
Fig. 2 is the cross-sectional schematic of the nozzle body of the utility model preferred embodiment hot blow adjustable nozzle; And
Fig. 3 is the cross-sectional schematic of the nozzle core of the utility model preferred embodiment hot blow adjustable nozzle.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1, preferred embodiment of the present utility model provides a kind of hot blow adjustable nozzle, and it comprises that nozzle body 10 reaches the nozzle core 20 that is installed in movably in the nozzle body 10; Wherein, nozzle body 10 comprises nozzle housing 11 and is arranged on the installation portion 12 that is used for installing nozzle core 20 in the nozzle housing 11; The outside wall surface of the internal face of nozzle housing 11 and installation portion 12 forms fuel gallery 30; Nozzle housing 11 is provided with the spout 11a that communicates with fuel gallery 30.Hot blow adjustable nozzle of the present utility model is installed on the supercharger, can be so that the homogeneous heating of working medium.
See also Fig. 2, the outer peripheral edges of nozzle housing 11 are provided with connecting thread, and spout 11a is arranged on an end of nozzle housing 11, and spout 11a comprises the inner conical chamber 111 that directly communicates with fuel gallery 30 and the male-tapered chamber 112 that communicates with inner conical chamber 111; Wherein, the large end in inner conical chamber 111 is towards the fuel gallery 30, and the small end in male-tapered chamber 112 is towards inner conical chamber 111.The cone angle d in male-tapered chamber 112 is 115 ° ~ 125 °; Preferably, the cone angle d in male-tapered chamber 112 is 120 °, so that the mist of oil diffusingsurface of 111 ejections is large from the inner conical chamber, is of value to air-fuel mixture abundant.Installation portion 12 is the cylinder that links to each other with nozzle housing 11, the inner peripheral of installation portion 12 be provided with install nozzle core 20 and can so that nozzle core 20 at the fitting recess 121 of its slip.
Please in conjunction with referring to Fig. 3, nozzle core 20 comprises the fixing body 21 that cooperates with the installation portion 12 of nozzle body 10 and the cone-shaped body 22 that is connected with fixing body 21.Cone-shaped body 22 interts in inner conical chamber 111, on same xsect, the cross-sectional diameter of cone-shaped body 22 is greater than the cross-sectional diameter in inner conical chamber 111, so that leave the gap of logical oil between cone-shaped body 22 and the inner conical chamber 111, the fuel oil of fuel gallery 30 arrives the outside of spout 11a through the gap.The cone angle of cone-shaped body 22 is slightly smaller than the cone angle in inner conical chamber 111, and fixing body 21 is installed in the fitting recess 121 movably, and preferably, fitting recess 121 is threaded with fixing body 21.When fixing body 21 relative fitting recess 121 during to spout 11a end motion, the gap between cone-shaped body 22 and the inner conical chamber 111 reduces, and the area so that fuel oil is flowed through during spout 11a reduces, and satisfies the low discharge fuel feeding.When fixing body 21 relative fitting recess 121 deviated from spout 11a end motion, gap between cone-shaped body 22 and the inner conical chamber 111 was strengthened, and the area so that fuel oil is flowed through during spout 11a strengthens, and satisfies high flow rate oil supply.
Preferably, the end of cone-shaped body 22 also is provided with so that the reverse taper 23 of fuel spray bounce-back, and the small end face of the small end face of reverse taper 23 and cone-shaped body 22 is oppositely arranged.Collide the outside wall surface of reverse taper 23 from the ring-type fuel oil of above-mentioned gap location ejection, fuel oil rebounds on the internal face in male-tapered chamber 112 of nozzle housing 11 again, is formed mist of oil so that fuel oil further impacts into particle, improves atomization quality.
Preferably, the fixing body 21 of nozzle core 20 is provided with the adjusting opening 211 of being convenient to regulate nozzle core 20 and the relative position of nozzle body 10, and namely regulating opening 211, to be convenient to promote nozzle core 20 mobile vertically, satisfies the demand of multiple fuel feeding environment.
Hot blow adjustable nozzle of the present utility model also comprises attaching nut 40, and attaching nut 40 is screwed on the connecting thread of outer peripheral edges of nozzle housing 11.Preferably, attaching nut 40 also installs with the end of nozzle housing 11 sealing gasket 50 is set, to prevent fuel leakage.
From the above description, can find out, preferred embodiment of the present utility model has following beneficial effect:
Nozzle core of the present utility model is installed on the nozzle body movably, and the cone angle of cone-shaped body is slightly smaller than the cone angle in inner conical chamber, so that this hot blow adjustable nozzle can satisfy the environmental demand of different fuel deliveries, different pressures, and can guarantee that the fuel spray heating that sprays is rear so that the working medium homogeneous heating; Reverse taper is formed mist of oil so that fuel oil further impacts into particle, improves atomization quality; It is mobile vertically that the adjusting opening is convenient to promote nozzle core, satisfies the demand of multiple fuel feeding environment; And hot blow adjustable nozzle of the present utility model is simple in structure, handling ease, with low cost.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a hot blow adjustable nozzle is characterized in that, comprising: nozzle body (10) reaches the nozzle core (20) that is installed in movably in the described nozzle body (10); Wherein,
Described nozzle body (10) comprises nozzle housing (11) and is arranged in the described nozzle housing (11) for the installation portion (12) of described nozzle core (20) is installed;
The outside wall surface of the internal face of described nozzle housing (11) and described installation portion (12) forms fuel gallery (30);
Described nozzle housing (11) is provided with the spout (11a) that communicates with described fuel gallery (30).
2. hot blow adjustable nozzle according to claim 1 is characterized in that, described spout (11a) comprises the inner conical chamber (111) that directly communicates with described fuel gallery (30) and the male-tapered chamber (112) that communicates with described inner conical chamber (111); Wherein,
The large end in described inner conical chamber (111) is towards described fuel gallery (30), and the small end in described male-tapered chamber (112) is towards described inner conical chamber (111); One end of described nozzle core (20) is installed in the described inner conical chamber (111), is provided with the gap of logical oil between described nozzle core (20) and the described inner conical chamber (111).
3. hot blow adjustable nozzle according to claim 2 is characterized in that, the cone angle in described male-tapered chamber (112) is 115 ° ~ 125 °.
4. hot blow adjustable nozzle according to claim 3 is characterized in that, the cone angle in described male-tapered chamber (112) is 120 °.
5. hot blow adjustable nozzle according to claim 2 is characterized in that, the installation portion (12) of described nozzle body (10) is provided with the fitting recess (121) that described nozzle core (20) is slided.
6. hot blow adjustable nozzle according to claim 5 is characterized in that, described nozzle core (20) comprises the fixing body (21) that cooperates with the installation portion (12) of described nozzle body (10) and the cone-shaped body (22) that links to each other with described fixing body (21),
Described fixing body (21) is installed in the described fitting recess (121) movably, and described cone-shaped body (22) is installed in the described inner conical chamber (111).
7. hot blow adjustable nozzle according to claim 6 is characterized in that, the cone angle of described cone-shaped body (22) is less than the cone angle in described inner conical chamber (111).
8. hot blow adjustable nozzle according to claim 6, it is characterized in that, the end of described cone-shaped body (22) also is provided with so that the reverse taper (23) of fuel spray bounce-back, and the small end face of the small end face of described reverse taper (23) and described cone-shaped body (22) is oppositely arranged.
9. according to claim 6 or 8 each described hot blow adjustable nozzles, it is characterized in that, the fixing body (21) of described nozzle core (20) is provided with the adjusting opening (211) of being convenient to regulate described nozzle core (20) and the relative position of described nozzle body (10).
10. hot blow adjustable nozzle according to claim 1, it is characterized in that, described hot blow adjustable nozzle also comprises attaching nut (40) and sealing gasket (50), described nozzle housing (11) is provided with the screw thread that cooperates with described attaching nut (40), and described sealing gasket (50) is installed in the end of described attaching nut (40) and described nozzle housing (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220599121 CN202903487U (en) | 2012-11-14 | 2012-11-14 | Heat blowing adjustable nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220599121 CN202903487U (en) | 2012-11-14 | 2012-11-14 | Heat blowing adjustable nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903487U true CN202903487U (en) | 2013-04-24 |
Family
ID=48124145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220599121 Expired - Fee Related CN202903487U (en) | 2012-11-14 | 2012-11-14 | Heat blowing adjustable nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202903487U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937529A (en) * | 2012-11-14 | 2013-02-20 | 奥凯嘉集团有限公司 | Hot-blowing adjustable nozzle |
| CN105784375A (en) * | 2016-05-24 | 2016-07-20 | 中国工程物理研究院总体工程研究所 | Targeting-position testing sensor of experimental rack for performance of piston cooling nozzle |
-
2012
- 2012-11-14 CN CN 201220599121 patent/CN202903487U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937529A (en) * | 2012-11-14 | 2013-02-20 | 奥凯嘉集团有限公司 | Hot-blowing adjustable nozzle |
| CN102937529B (en) * | 2012-11-14 | 2016-05-04 | 瑞安市奥凯嘉汽车科技有限公司 | A kind of hot blow adjustable nozzle |
| CN105784375A (en) * | 2016-05-24 | 2016-07-20 | 中国工程物理研究院总体工程研究所 | Targeting-position testing sensor of experimental rack for performance of piston cooling nozzle |
| CN105784375B (en) * | 2016-05-24 | 2018-01-30 | 中国工程物理研究院总体工程研究所 | Target practice position measurement sensor for piston cooling nozzle performance test stand |
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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: 20130424 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |