CN113790113B - Fuel pump assembly of motor vehicle - Google Patents
Fuel pump assembly of motor vehicle Download PDFInfo
- Publication number
- CN113790113B CN113790113B CN202111093334.4A CN202111093334A CN113790113B CN 113790113 B CN113790113 B CN 113790113B CN 202111093334 A CN202111093334 A CN 202111093334A CN 113790113 B CN113790113 B CN 113790113B
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- CN
- China
- Prior art keywords
- pipe
- oil
- inlet
- siphon
- oil cylinder
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0047—Layout or arrangement of systems for feeding fuel
- F02M37/007—Layout or arrangement of systems for feeding fuel characterised by its use in vehicles, in stationary plants or in small engines, e.g. hand held tools
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0076—Details of the fuel feeding system related to the fuel tank
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F10/00—Siphons
Abstract
The invention discloses a fuel pump assembly of a motor vehicle, which comprises an oil cylinder and a cover plate, wherein the cover plate is covered at a port of the oil cylinder, a pump core and a filter which are connected with the cover plate are arranged in the oil cylinder, the pump core is connected with an inlet of the filter through a first oil pipe, a first injection pipe and a second injection pipe are separated from an inlet end of the filter, the end part of the first injection pipe is connected with an upper port of a T-shaped pipe, a straight pipe at the side end of the T-shaped pipe is communicated with a siphon pipe through a pipeline, a U-shaped channel is arranged in the oil cylinder, the end part of the second injection pipe is communicated with one end of the U-shaped channel, the other end of the U-shaped channel is communicated with an inner cavity of the oil cylinder, a siphon port is arranged at the bottom of the U-shaped channel, an oil inlet groove is arranged on the bottom surface of the oil cylinder, and the siphon port is arranged on the bottom surface of the oil inlet groove. The double-siphon effect is realized, so that the sufficiency of the fuel in the oil cylinder is ensured, and the technical effect that the structure is reliable and stable fuel output can be ensured is realized.
Description
Technical Field
The invention relates to a pump, in particular to a fuel pump assembly of a motor vehicle.
Background
The fuel pump assembly of the motor vehicle is a main component of a fuel injection system of the motor vehicle, and has the functions of pumping fuel out of a fuel tank and conveying the fuel into a fuel supply pipe.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a fuel pump assembly for a motor vehicle, which has a reliable structure and can ensure stable fuel output.
In order to achieve the purpose, the invention provides the following technical scheme: a fuel pump assembly of a motor vehicle comprises an oil cylinder and a cover plate, wherein the cover plate is covered on a port of the oil cylinder, a pump core and a filter which are connected with the cover plate are installed in the oil cylinder, the pump core is connected with an inlet of the filter through a first oil pipe, a first injection pipe and a second injection pipe are separated from an inlet end of the filter, the end part of the first injection pipe is connected with an upper end opening of a T-shaped pipe, a siphon pipe is arranged on the lower peripheral wall of the oil cylinder, a siphon suction port is arranged on the bottom surface of the oil cylinder, a lower end outlet of the T-shaped pipe is communicated with an inner cavity of the oil cylinder, so that a straight side end pipe of the T-shaped pipe generates a siphon effect, the straight side end pipe of the T-shaped pipe is communicated with the siphon pipe through a pipeline, a U-shaped channel is arranged in the oil cylinder, the end part of the second injection pipe is communicated with one end of the U-shaped channel, and the other end of the U-shaped channel is communicated with the inner cavity of the oil cylinder, the siphon inlet is arranged at the bottom of the U-shaped channel, an oil inlet groove is formed in the bottom surface of the oil cylinder, and the siphon inlet is arranged on the bottom surface of the oil inlet groove.
The bottom surface of the oil inlet groove is also provided with a clamping groove, an oil inlet pipe and an oil outlet pipe which are communicated with the clamping groove are arranged in the oil cylinder, a linking pipe is arranged in the clamping groove and connects the oil inlet pipe and the oil outlet pipe to form a U-shaped channel, a sealing ring is arranged on a port of the linking pipe, which is connected with the oil inlet pipe, a sinking groove is arranged on the sealing ring, a jet gap is arranged on the sinking groove, the outlet end of the linking pipe is a jet orifice, the jet orifice faces to the inlet of the oil outlet pipe, a siphon effect is formed around the inlet of the oil outlet pipe, and the siphon effect is formed to form the siphon inlet.
The oil tank end cover is provided with a pipe joint, and an outlet of the filter is connected with the pipe joint through a second oil pipe.
According to the structure, the first injection pipe separated from the inlet end of the filter generates a siphon effect through the T-shaped pipe, so that the siphon tube performs primary siphon on the oil tank, the second injection pipe performs secondary siphon on the oil tank through the siphon port generated by the U-shaped channel, and thus the double-siphon effect is realized, the sufficiency of fuel oil in the oil cylinder is ensured, and the technical effects of reliable structure and stable fuel oil output can be realized.
The invention is further described with reference to the following figures and detailed description.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a cut-away view of an embodiment of the present invention;
FIG. 3 is a perspective view of a connector tube according to an embodiment of the present invention;
fig. 4 is a perspective view of an oil cartridge in an embodiment of the present invention.
Detailed Description
The following examples are given to illustrate the present invention and should not be construed as limiting the scope of the present invention.
As shown in fig. 1-4, the embodiment discloses a fuel pump assembly for a motor vehicle, which comprises an oil cylinder 1 and a cover plate 2, wherein the cover plate 2 is buckled and covered on a port of the oil cylinder 1, a pump core 3 and a filter 4 which are connected with the cover plate 2 are installed in the oil cylinder 1, the pump core 3 is connected with an inlet of the filter 4 through a first oil pipe 5, the fuel pump assembly further comprises a fuel tank end cover 7, a pipe joint 8 is arranged on the fuel tank end cover 7, an outlet of the filter 4 is connected with the pipe joint 8 through a second oil pipe 6, a first injection pipe 10 and a second injection pipe 20 are separated from the inlet end of the filter 4, the end of the first injection pipe 10 is connected with an upper port of a "T" shaped pipe 30, a siphon pipe 11 is arranged on the lower peripheral wall of the oil cylinder 1, a siphon port 12 is arranged on the bottom surface of the oil cylinder 1, a lower outlet of the "T" shaped pipe 30 is communicated with an inner cavity of the oil cylinder 1, so that a straight pipe of the "T" shaped pipe 30 generates siphon effect, the straight pipe at the side end of the T-shaped pipe 30 is communicated with the siphon pipe 11 through a pipeline, a U-shaped channel 40 is arranged in the oil cylinder 1, the end part of the second injection pipe 20 is communicated with one end of the U-shaped channel 40, the other end of the U-shaped channel 40 is communicated with the inner cavity of the oil cylinder 1, the siphon port 12 is arranged at the bottom of the U-shaped channel 40, the oil inlet groove 13 is arranged on the bottom surface of the oil cylinder 1, and the siphon port 12 is arranged on the bottom surface of the oil inlet groove 13.
The bottom surface of the oil inlet groove 13 is also provided with a clamping groove 131, an oil inlet pipe 401 and an oil outlet pipe 402 which are communicated with the clamping groove 131 are arranged in the oil cylinder 1, an adapter pipe 403 is arranged in the clamping groove 131 to connect the oil inlet pipe 401 and the oil outlet pipe 402 and form a U-shaped channel 40, a sealing ring 50 is arranged at the port of the adapter pipe 403 connected with the oil inlet pipe 401, a sinking groove 501 is arranged on the sealing ring 50, a jet gap 502 is arranged on the sinking groove 501, fuel oil can be pressurized and jetted out through the jet gap 502 after being pressurized on the sinking groove 501, the outlet end of the adapter pipe 403 is a jet orifice 404, the jet orifice 404 faces the inlet of the oil outlet pipe 402, a siphon effect is formed around the inlet of the oil outlet pipe 402, and a siphon port 12 is formed. The structure ensures that the oil inlet of the siphon inlet 12 is more reliable and stable.
By adopting the technical scheme, the first injection pipe 10 separated from the inlet end of the filter 4 generates a siphon effect through the T-shaped pipe 30, so that the siphon pipe 11 conducts primary siphon on the oil tank, the second injection pipe 20 conducts secondary siphon on the oil tank through the siphon port 12 generated by the U-shaped channel 40, and thus the double-siphon effect is realized, the sufficiency of fuel in the oil cylinder 1 is ensured, the structure is reliable, and the technical effect of stable fuel output can be ensured.
Claims (2)
1. The utility model provides a motor vehicle fuel pump assembly, includes an oil section of thick bamboo and apron, and the port at an oil section of thick bamboo is established to the apron lid, installs in an oil section of thick bamboo with cover connection's pump core and filter, its characterized in that: the pump core is connected with the inlet of the filter through a first oil pipe, a first injection pipe and a second injection pipe are separated from the inlet end of the filter, the end part of the first injection pipe is connected with the upper end opening of a T-shaped pipe, a siphon pipe is arranged on the lower peripheral wall of the oil cylinder, a siphon port is arranged on the bottom surface of the oil cylinder, the lower end outlet of the T-shaped pipe is communicated with the inner cavity of the oil cylinder, so that the side end straight pipe of the T-shaped pipe generates siphon effect, the side end straight pipe of the T-shaped pipe is communicated with the siphon pipe through a pipeline, a U-shaped channel is arranged in the oil cylinder, the end part of the second injection pipe is communicated with one end of the U-shaped channel, the other end of the U-shaped channel is communicated with the inner cavity of the oil cylinder, the siphon port is arranged at the bottom of the U-shaped channel, and an oil inlet groove is arranged on the bottom surface of the oil cylinder, the siphon inlet is arranged on the bottom surface of the oil inlet groove; the bottom surface of the oil inlet groove is also provided with a clamping groove, an oil inlet pipe and an oil outlet pipe which are communicated with the clamping groove are arranged in the oil cylinder, a linking pipe is arranged in the clamping groove and connects the oil inlet pipe and the oil outlet pipe to form a U-shaped channel, a sealing ring is arranged on a port of the linking pipe, which is connected with the oil inlet pipe, a sinking groove is arranged on the sealing ring, a jet gap is arranged on the sinking groove, the outlet end of the linking pipe is a jet orifice, the jet orifice faces to the inlet of the oil outlet pipe, a siphon effect is formed around the inlet of the oil outlet pipe, and the siphon effect is formed to form the siphon inlet.
2. The automotive fuel pump assembly of claim 1, wherein: the oil tank end cover is provided with a pipe joint, and an outlet of the filter is connected with the pipe joint through a second oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093334.4A CN113790113B (en) | 2021-09-17 | 2021-09-17 | Fuel pump assembly of motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111093334.4A CN113790113B (en) | 2021-09-17 | 2021-09-17 | Fuel pump assembly of motor vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113790113A CN113790113A (en) | 2021-12-14 |
| CN113790113B true CN113790113B (en) | 2022-08-26 |
Family
ID=78878782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111093334.4A Active CN113790113B (en) | 2021-09-17 | 2021-09-17 | Fuel pump assembly of motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113790113B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202391623U (en) * | 2012-01-07 | 2012-08-22 | 汇润机电有限公司 | Anti-static fuel pump assembly |
| US10408175B2 (en) * | 2017-06-30 | 2019-09-10 | Vmp Tuning, Inc. | System for housing a fuel pump and a fuel filter |
| CN208950745U (en) * | 2018-10-31 | 2019-06-07 | 重庆平江实业有限责任公司 | A kind of integrated fuel oil pump assembly |
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2021
- 2021-09-17 CN CN202111093334.4A patent/CN113790113B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113790113A (en) | 2021-12-14 |
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