CN218376682U - Single pump injector structure - Google Patents
Single pump injector structure Download PDFInfo
- Publication number
- CN218376682U CN218376682U CN202220523324.3U CN202220523324U CN218376682U CN 218376682 U CN218376682 U CN 218376682U CN 202220523324 U CN202220523324 U CN 202220523324U CN 218376682 U CN218376682 U CN 218376682U
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- fuel
- air
- oil
- injection pipe
- supply part
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model discloses a monoblock pump injector structure, which comprises an injector shell and an injector structure; an oil supply part and an air supply part are sequentially arranged in the shell from top to bottom; prevent suck-back spouting structure at the inside evenly distributed of casing, fuel feeding portion and air feed portion are through preventing suck-back spouting structure intercommunication, and its advantage lies in: the lower extreme of spout oil pipe adopts the horn mouth structure, the play oil of spout oil pipe spouting hybrid process has both been made things convenient for, can also effectively hinder the upper end that the fuel got into the jet stack, the inside of fuel entering air chamber from the air inlet has effectively been avoided, the fuel is extravagant, the air inlet adopts the slope structure that rises from interior to exterior in proper order, can further increase the degree of difficulty that the fuel got into the inside of air chamber from the air inlet, thereby further avoid the waste of fuel, the jam that the fuel got into the air inlet and probably causes has been avoided simultaneously, guarantee the normal clear of injector fuel and gas mixture, establish the basis for the fuel is in the inside abundant burning of engine.
Description
Technical Field
The utility model relates to a monoblock pump spouts notes ware technical field, concretely relates to monoblock pump spouts notes ware structure.
Background
The single pump is a device for generating the injection pressure of an injector, the injector is a core part of a liquid engine, is positioned at the head of a thrust chamber and has the functions of uniformly injecting fuel and oxidant into the combustion chamber under the specified flow rate, mixing ratio and injection pressure drop of the fuel and oxidant, ensuring that the mixing ratio and mass distribution meet the design state requirements, and quickly completing the atomization and mixing processes of the fuel so as to efficiently and fully combust the fuel in the combustion chamber.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a monoblock pump spouts notes ware structure just in order to solve above-mentioned problem, have and avoid blockking up, avoid advantages such as extravagant, see the explanation below for details.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a monoblock pump injector structure, which comprises an injector shell and an injector structure;
an oil supply part and an air supply part are sequentially arranged in the shell from top to bottom;
the anti-suck-back jetting structures are uniformly distributed in the shell, and the oil supply part and the gas supply part are communicated through the anti-suck-back jetting structures.
Preferably, the oil supply part comprises a fuel oil cavity, a fuel oil inlet is formed in the outer side of the fuel oil cavity, and the fuel oil inlet is communicated with an oil outlet of the unit pump to ensure mixed injection oil supply.
Preferably, the air supply part comprises an air cavity, a gas inlet is formed in the outer side of the air cavity, and the gas inlet is communicated with the air supply structure to ensure mixed gas supply of the jetting.
Preferably, the injection structure comprises an oil injection pipe and an air injection pipe, the upper end of the oil injection pipe is communicated with the fuel oil cavity, the lower end of the air injection pipe is fixedly connected with the shell, the upper end of the air injection pipe is fixedly connected with the upper end of the oil injection pipe, air inlets which are uniformly distributed are formed in the outer side of the oil injection pipe, and the air inlets are communicated with the air cavity to ensure oil-gas mixing in the injection process.
Preferably, both ends of the oil injection pipe are in a horn mouth shape, the upper end of the oil injection pipe is in the horn mouth shape, so that oil can be conveniently fed into the oil injection pipe, the lower end of the oil injection pipe is in the horn mouth shape, so that oil can be conveniently discharged, and in addition, fuel can be effectively prevented from entering the air inlet above the air injection pipe.
Preferably, the air inlet is inclined, and the height of the air inlet is greater than the height of the bottom end of the fuel injection pipe, so that fuel oil is prevented from entering the air inlet, and the air inlet is prevented from being blocked.
Preferably, the height of the air inlet is increased from inside to outside in sequence, so that fuel oil is increased to enter the air cavity from the air inlet, and waste of the fuel oil is avoided.
The beneficial effects of the utility model reside in that:
the lower extreme of spout oil pipe adopts the horn mouth structure, both made things convenient for the play oil of spout oil pipe spouting hybrid process, can also effectively hinder the upper end that the fuel got into the jet pipe, effectively avoided the fuel to get into the inside of air chamber from the air inlet, avoided the fuel extravagant, the air inlet adopts the slope structure that rises from interior to exterior in proper order, can further increase the degree of difficulty that the fuel got into the inside of air chamber from the air inlet, thereby further avoided the waste of fuel, avoided the fuel to get into the jam that the air inlet probably caused simultaneously, guarantee the normal clear of injector fuel and gas mixture, establish the basis for the abundant burning of fuel in engine inside.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic sectional structure of the present invention;
fig. 2 is an enlarged schematic view of fig. 1 at a;
fig. 3 is an enlarged schematic structural view of the present invention at B of fig. 2.
The reference numerals are illustrated below:
1. an injector housing; 2. an air chamber; 3. a fuel oil chamber; 4. a fuel inlet; 5. a gas inlet; 6. an anti-suck-back jetting structure; 61. a gas ejector tube; 62. an oil spray pipe; 63. an air inlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a monoblock pump injector structure, which comprises an injector housing 1 and an injector structure 6; the inside of the shell 1 is sequentially provided with an oil supply part and an air supply part from top to bottom, the oil supply part comprises a fuel oil cavity 3, the outer side of the fuel oil cavity 3 is provided with a fuel oil inlet 4, the fuel oil inlet 4 is communicated with an oil outlet of a monomer pump to ensure spouting mixed oil supply, the air supply part comprises an air cavity 2, the outer side of the air cavity 2 is provided with a gas inlet 5, and the gas inlet 5 is communicated with an air supply structure to ensure spouting mixed air supply; the anti-suck-back injection structure 6 is uniformly distributed in the shell 1, an oil supply part and an air supply part are communicated through the anti-suck-back injection structure 6, the injection structure 6 comprises an oil injection pipe 62 and an air injection pipe 61, the upper end of the oil injection pipe 62 is communicated with a fuel cavity 3, two ends of the oil injection pipe 62 are in a horn shape, the upper end of the horn shape is in a horn shape to facilitate oil inlet of the oil injection pipe 62, the lower end of the horn shape to facilitate oil outlet, fuel can be effectively prevented from entering the air inlet 63 above the air injection pipe 61, the lower end of the air injection pipe 61 is fixedly connected with the shell 1, the upper end of the air injection pipe 61 is fixedly connected with the upper end of the oil injection pipe 62, the outer side of the oil injection pipe 62 is provided with the uniformly distributed air inlets 63, the air inlets 63 are communicated with the air cavity 2 to ensure oil-gas mixing in the injection process, the air inlets 63 are in an inclined shape, the height of the air inlets 63 is greater than the height of the bottom end of the oil injection pipe 62 to prevent the fuel from entering the air inlets 63 and prevent the air inlets 63 from being blocked, and the air inlets 63 are sequentially increased from entering the air cavity 2 from being wasted.
The utility model discloses an embodiment, adopt the monoblock pump of above-mentioned structure to spout notes ware structure, with fuel inlet 4 and monoblock pump hydraulic fluid port intercommunication, the fuel gets into fuel chamber 3 through fuel inlet 4, reentrant the inside of spouting oil pipe 62, communicate the gas outlet of gas inlet 5 and air feed structure, gas gets into the inside of air chamber 2 through gas inlet 5, rethread air inlet 63 gets into inside jet pipe 61, gas and fuel meet, gas and fuel atomization mix under the exogenic action of monoblock pump and external air feed structure this moment, atomizing is spouted and is gone out, the horn mouth structure of spouting oil pipe 62 lower extreme can effectively obstruct the upper end that the fuel got into jet pipe 61 at this in-process, get into the inside of air chamber 2 through air inlet 63, and air inlet 63 presents the slope structure that rises from inside to outside in proper order, can further increase the degree of difficulty that the fuel got into the inside of air chamber 2 from air inlet 63.
The monoblock pump injector structure of the embodiment has the following advantages:
the lower extreme of nozzle 62 adopts the horn mouth structure, the play oil of nozzle 62 spouting hybrid process has both been made things convenient for, can also effectively hinder the upper end that the fuel got into nozzle 61, the inside of fuel entering air chamber 2 from air inlet 63 has effectively been avoided, fuel waste has been avoided, air inlet 63 adopts the slope structure that rises from interior to exterior in proper order, can further increase the degree of difficulty that the fuel got into the inside of air chamber 2 from air inlet 63, thereby further avoid the waste of fuel, the jam that the fuel entering air inlet 63 probably caused has been avoided simultaneously, guarantee the normal clear of injector fuel and gas mixture, establish the basis for the abundant burning of fuel in engine inside.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a monoblock pump spouts notes ware structure which characterized in that: comprises an injector housing (1) and an injector structure (6);
an oil supply part and an air supply part are sequentially arranged in the shell (1) from top to bottom;
the anti-suck-back jetting structures (6) are uniformly distributed in the shell (1), and the oil supply part and the air supply part are communicated through the anti-suck-back jetting structures (6);
the injection structure (6) comprises an oil injection pipe (62) and an air injection pipe (61), the upper end of the oil injection pipe (62) is communicated with the fuel oil cavity (3), the lower end of the air injection pipe (61) is fixedly connected with the shell (1), the upper end of the air injection pipe (61) is fixedly connected with the upper end of the oil injection pipe (62), air inlets (63) which are uniformly distributed are formed in the outer side of the oil injection pipe (62), and the air inlets (63) are communicated with the air cavity (2);
and the two ends of the oil injection pipe (62) are in a horn mouth shape.
2. The monoblock pump sprayer structure according to claim 1, wherein: the oil supply part comprises a fuel oil cavity (3), a fuel oil inlet (4) is formed in the outer side of the fuel oil cavity (3), and the fuel oil inlet (4) is communicated with an oil outlet of the monoblock pump.
3. The monoblock pump sprayer structure according to claim 1, wherein: the air feed portion includes air chamber (2), the outside of air chamber (2) is equipped with gas intlet (5), gas intlet (5) and air feed structure intercommunication.
4. The monoblock pump sprayer structure according to claim 1, wherein: the air inlet (63) is inclined, and the height of the air inlet (63) is greater than the height of the bottom end of the oil injection pipe (62).
5. The monoblock pump sprayer structure according to claim 1, wherein: the height of the air inlet (63) is increased from inside to outside in sequence.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021216529947 | 2021-07-20 | ||
| CN202121652994 | 2021-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218376682U true CN218376682U (en) | 2023-01-24 |
Family
ID=84950094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220523324.3U Active CN218376682U (en) | 2021-07-20 | 2022-03-11 | Single pump injector structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218376682U (en) |
-
2022
- 2022-03-11 CN CN202220523324.3U patent/CN218376682U/en active Active
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