CN219809082U - Injection structure on fuel pump - Google Patents
Injection structure on fuel pump Download PDFInfo
- Publication number
- CN219809082U CN219809082U CN202321033308.7U CN202321033308U CN219809082U CN 219809082 U CN219809082 U CN 219809082U CN 202321033308 U CN202321033308 U CN 202321033308U CN 219809082 U CN219809082 U CN 219809082U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- injection
- injection nozzle
- siphon
- fuel
- 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.)
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Links
- 238000002347 injection Methods 0.000 title claims abstract description 86
- 239000007924 injection Substances 0.000 title claims abstract description 86
- 239000000446 fuel Substances 0.000 title claims abstract description 36
- 239000007921 spray Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 239000002828 fuel tank Substances 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 61
- 239000000295 fuel oil Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses an injection structure on a fuel pump, which comprises an oil drum, wherein an access pipeline, a first injection pipeline, a second injection pipeline, a siphon mouth, a siphon pipeline and a backflow pipeline are arranged on the oil drum, the injection structure also comprises a first injection nozzle and a second injection nozzle, fuel pumped by the fuel pump is connected with the access pipeline and flows to the first injection nozzle and the second injection nozzle through the access pipeline, the fuel sprayed by the first injection nozzle and the second injection nozzle forms jet flow, and the siphon mouth generate siphon due to the injection principle, the siphon mouth can suck the fuel in an auxiliary fuel tank into the oil drum through the pipeline, and the siphon mouth is arranged in a main fuel tank to suck the fuel in the main fuel tank into the oil drum, so that the oil drum is always in a full-oil state.
Description
Technical Field
The utility model relates to a structural design on a fuel pump assembly, in particular to an injection structure on a fuel pump.
Background
The existing automobile oil tank is designed into a saddle type for gravity balance, namely, a main oil tank and an auxiliary oil tank are distributed left and right, the fuel pump assembly is generally arranged in the main oil tank, the structure of the fuel pump assembly comprises an oil drum, an oil pump is arranged in the oil drum, during oil supply, part of fuel pumped by the oil pump from the oil drum supplies oil for an engine, the other part of the fuel is used for backflow to generate siphons, an inlet of the general siphons is arranged below the oil drum, the fuel in the main oil tank is siphoned into the oil drum through an oil pipe, and the fuel in the auxiliary oil tank is pumped through another oil pump and flows into the oil drum to supply oil for the oil pump, so that the cost of the fuel pump is burdened, the structure is unreasonable, the oil in the oil drum is often overflowed, and the manufacturing cost of the fuel pump assembly is high due to the oil supply mode.
Disclosure of Invention
In order to solve the problems, the utility model provides an injection structure on a fuel pump, which aims to enable fuel pumped by the fuel pump to pass through the injection structure and simultaneously extract fuel from a main fuel tank and an auxiliary fuel tank, so that a fuel tank is always in a full-oil state.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an draw structure on fuel pump, includes the oil drum, is equipped with access pipeline, first injection pipeline, second injection pipeline, siphon mouth, siphon pipeline and backflow pipeline on the oil drum, still includes first injection nozzle and second injection nozzle, the bottom of access pipeline is provided with the trompil, leads to first injection nozzle through this trompil, the access pipeline is close to the side wall of bottom surface and installs the second injection nozzle, first injection nozzle is to first injection pipeline, and the second injection nozzle is to the second injection pipeline, the siphon mouth sets up in the bottom surface of oil drum, the bottom surface of siphon mouth be equipped with first injection pipeline communicating side trompil, this side trompil with first injection nozzle is close to mutually, siphon pipeline and backflow pipeline communicate with each other with the second injection pipeline respectively, the one end of siphon pipeline is the exit, the exit sets up and is being close to the position of second injection nozzle, the other end of siphon pipeline is the siphon interface.
The first injection nozzle and the second injection nozzle are formed by drilling, and the aperture of the spray holes of the first injection nozzle and the second injection nozzle is 0.7mm.
The beneficial effects of the utility model are as follows: the fuel pumped by the oil pump is connected with the access pipeline, flows to the first injection nozzle and the second injection nozzle through the access pipeline, the fuel sprayed out of the first injection nozzle and the second injection nozzle forms jet flow, and the suction is generated due to the injection principle, so that the siphon interface and the siphon port generate siphon, the siphon interface can suck the fuel in the auxiliary oil tank into the oil tank through the pipeline, the siphon port is arranged in the main oil tank, and the fuel in the main oil tank is sucked into the oil tank, so that the oil tank is always in a full oil state.
The utility model is further described below with reference to the drawings and detailed description.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Detailed Description
The present utility model is described in detail below by way of examples only for further explanation of the present utility model and is not to be construed as limiting the scope of the present utility model.
As shown in fig. 1, this embodiment discloses an injection structure on a fuel pump, including an oil tank 1, an access pipeline 2, a first injection pipeline 3, a second injection pipeline 4, a siphon port 5, a siphon pipeline 6 and a backflow pipeline 7 are arranged on the oil tank 1, further include a first injection nozzle 8 and a second injection nozzle 9, an opening 21 is arranged at the bottom of the access pipeline 2, the opening is led to the first injection nozzle 8, the second injection nozzle 9 is installed on the side wall of the access pipeline 2 close to the bottom, the first injection nozzle 8 is led to the first injection pipeline 3, the second injection nozzle 9 is led to the second injection pipeline 4, the siphon port 5 is arranged on the bottom of the oil tank 1, a side opening 51 communicated with the first injection pipeline 3 is arranged on the bottom of the siphon port 5, the side opening 51 is close to the first injection nozzle 8, the siphon pipeline 6 and the backflow pipeline 7 are respectively communicated with the second injection pipeline 4, one end of the siphon pipeline 6 is an outlet 61, the outlet 61 is arranged at a position close to the second injection nozzle 9, and the other end of the siphon pipeline 6 is an interface 62.
The first injection nozzle 8 and the second injection nozzle 9 are formed by drilling, the inlet position of the drilling is plugged by a steel ball, the aperture of the spray holes of the first injection nozzle 8 and the second injection nozzle 9 is 0.7mm, and through the structure, the spray flow of the oil spray can enable siphon ports 5 and siphon interfaces 62 to generate siphon suction with the vacuum degree not less than 5 KPa.
The injection structure is designed on an oil drum 1, an oil pump in the oil drum 1 pumps fuel oil in the oil drum 1 out of two paths, one path is used for an engine, the other path is connected to a pipeline 2 through a corrugated pipe, the oil tank is divided into a main oil tank and an auxiliary oil tank in a saddle type, the fuel oil passing through the pipeline 2 is injected through a first injection nozzle 8 and a second injection nozzle 9 so that siphon force is generated by a siphon port 5 and a siphon interface 62, and finally the fuel oil flows back into the oil drum through a backflow pipeline.
By adopting the technical scheme, the fuel pumped by the oil pump is connected with the access pipeline 2, flows to the first injection nozzle 8 and the second injection nozzle 9 through the access pipeline 2, the fuel sprayed out by the first injection nozzle 8 and the second injection nozzle 9 forms jet flow, and the suction is generated due to the injection principle, so that the siphon interface 62 and the siphon port 5 generate siphons, the siphon interface 62 can suck the fuel in the auxiliary oil tank into the oil tank 1 through the pipeline, the siphon port 5 is arranged in the main oil tank, and the fuel in the main oil tank is sucked into the oil tank 1, so that the fuel pumped by the oil pump simultaneously pumps the fuel to the main oil tank and the auxiliary oil tank through the injection structure, the oil tank is always in a full-oil state, and compared with the existing mode of pumping the auxiliary oil tank through another oil pump, the oil pump has low manufacturing cost and more reasonable structure.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (2)
1. The utility model provides an draw structure on fuel pump, includes oil drum, its characterized in that: the oil drum is provided with an access pipeline, a first injection pipeline, a second injection pipeline, a siphon mouth, a siphon pipeline and a backflow pipeline, and further comprises a first injection nozzle and a second injection nozzle, wherein an opening is formed in the bottom of the access pipeline, the first injection nozzle is led to the opening, the second injection nozzle is arranged on the side wall, close to the bottom surface, of the access pipeline, the first injection nozzle is arranged on the first injection pipeline, the second injection nozzle is arranged on the second injection pipeline, the siphon mouth is arranged on the bottom surface of the oil drum, a side opening communicated with the first injection pipeline is formed in the bottom surface of the siphon mouth, the side opening is close to the first injection nozzle, the siphon pipeline and the backflow pipeline are respectively communicated with the second injection pipeline, one end of the siphon pipeline is an outlet, the outlet is arranged at a position close to the second injection nozzle, and the other end of the siphon pipeline is a siphon interface.
2. The injection structure on a fuel pump of claim 1 wherein: the first injection nozzle and the second injection nozzle are formed by drilling, and the aperture of the spray holes of the first injection nozzle and the second injection nozzle is 0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033308.7U CN219809082U (en) | 2023-05-04 | 2023-05-04 | Injection structure on fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321033308.7U CN219809082U (en) | 2023-05-04 | 2023-05-04 | Injection structure on fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809082U true CN219809082U (en) | 2023-10-10 |
Family
ID=88211580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321033308.7U Active CN219809082U (en) | 2023-05-04 | 2023-05-04 | Injection structure on fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219809082U (en) |
-
2023
- 2023-05-04 CN CN202321033308.7U patent/CN219809082U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |