CN216342513U - Prevent fuel pump assembly of fuel cut-off - Google Patents
Prevent fuel pump assembly of fuel cut-off Download PDFInfo
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- CN216342513U CN216342513U CN202123325429.2U CN202123325429U CN216342513U CN 216342513 U CN216342513 U CN 216342513U CN 202123325429 U CN202123325429 U CN 202123325429U CN 216342513 U CN216342513 U CN 216342513U
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- electric pump
- oil
- oil storage
- fuel
- pump core
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Abstract
The utility model relates to a fuel supply system of an engine, in particular to an oil-break-proof fuel pump assembly which comprises a flange plate and a support, wherein the support is connected with the flange plate, an electric pump core is connected onto the support, an oil outlet pipe communicated with the electric pump core is connected onto the flange plate, a wiring seat is further connected onto the flange plate, an oil storage shell is arranged at the oil suction end of the electric pump core, an oil storage chamber surrounding the oil suction end of the electric pump core is formed by the interior of the oil storage shell and the electric pump core, and a through hole for communicating the oil storage chamber with the exterior is formed in the oil storage shell. The problem of fuel pump assembly appear the fuel cut-off easily when removing along with the engine among the prior art is solved to this scheme.
Description
Technical Field
The utility model relates to a fuel supply system of an engine, in particular to an oil-break-preventing fuel pump assembly.
Background
The existing fuel pump assembly is generally installed on a fuel tank, and fuel in the fuel tank is sucked by an electric pump core and then is conveyed to an engine through a fuel pipe. The existing fuel pump assembly for preventing fuel cut-off generally comprises a support and a flange plate used for being connected with an oil tank, wherein the support is connected with the flange plate, an electric pump core is connected onto the support, a wire holder is arranged on the flange plate, a wiring terminal electrically connected with electronic elements such as the electric pump core is arranged in the wire holder, and an oil outlet pipe communicated with the electric pump core is arranged on the outer side of the flange plate; meanwhile, an oil level sensor can be arranged on the fuel pump assembly, so that the fuel quantity in the fuel tank can be monitored. During the use, ring flange fixed mounting is on the oil tank casing, and the oil absorption end of electric pump core is located the bottom of oil tank under the supporting role of support, and the electric pump core inhales the oil and carries out from an oil pipe, but discovery sometimes, when the oil tank takes place to rock, fuel pump assembly can appear transient fuel cut-off phenomenon and lead to the fuel volume of carrying seriously not enough, and then arouse the work anomaly of engine easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fuel pump assembly capable of preventing fuel cut-off so as to solve the problem that the fuel pump assembly in the prior art is easy to have fuel cut-off when moving along with an engine.
In order to achieve the purpose, the basic scheme of the utility model provides an oil-break-preventing fuel pump assembly which comprises a flange plate and a support, wherein the support is connected with the flange plate, an electric pump core is connected onto the support, an oil outlet pipe communicated with the electric pump core is connected onto the flange plate, a wire holder is further connected onto the flange plate, an oil storage shell is arranged at the oil suction end of the electric pump core, an oil storage chamber surrounding the oil suction end of the electric pump core is formed by the interior of the oil storage shell and the electric pump core, and a through hole for communicating the oil storage chamber with the exterior is formed in the oil storage shell.
The beneficial effect of this basic scheme lies in: by adopting the arrangement, when the oil tank moves along with the engine to lead the fuel oil to shake, the fuel oil entering the oil storage chamber through the through hole can not shake under the surrounding effect of the oil storage shell, so that the fuel oil in the oil storage chamber can not be separated from the oil suction end of the electric pump core, the electric pump core can absorb the fuel oil all the time to avoid the oil cut-off condition, and the fuel oil supply of the engine is ensured.
Further, the oil storage shell and the flange are located on the same side of the electric pump core. By adopting the arrangement, when the fuel pump assembly is installed on the fuel tank, the fuel storage shell is positioned at the lower side of the electric pump core, namely, the fuel storage shell is closer to the bottom of the fuel tank, so that the situation that the fuel is separated from the fuel storage shell when the fuel is shaken can be further reduced, and the fuel is better sucked by the electric pump core.
Further, the through hole is located on one side of the oil storage shell, which is far away from the electric pump core. By adopting the arrangement, the situation that the fuel oil is separated from the oil storage shell when shaking can be further reduced, and the electric pump core can absorb the fuel oil better.
Furthermore, the through holes are distributed along the periphery of the oil storage shell. By adopting the arrangement, fuel can enter the fuel storage shell through the through hole in time no matter in which direction the fuel rocks, so that the situation that the fuel cannot be sucked by the electric pump core can be better reduced.
Further, the oil storage shell is detachably connected with the electric pump core. By adopting the arrangement, the processing and the manufacturing are convenient.
Further, the oil storage shell is connected with the electric pump core in a buckling mode. By adopting the arrangement, the use of additional connecting pieces is reduced, so that the connecting operation is convenient.
Further, be provided with filtering component in the oil storage chamber, filtering component and electric pump core can dismantle and be connected. By adopting the arrangement, the filter assembly is convenient to replace, so that the cleanliness of the conveyed fuel is ensured.
Further, the filter assembly is connected with the electric pump core in a buckling mode. By adopting the arrangement, the assembly operation between the filter assembly and the electric pump core is convenient.
Further, an oil level sensor is connected to the support. By adopting the arrangement, the fuel condition in the fuel tank is conveniently monitored.
Drawings
FIG. 1 is a schematic view of an embodiment of a fuel pump assembly of the present invention to prevent fuel shut-off;
FIG. 2 is an axial view of the electric pump cartridge of FIG. 1;
fig. 3 is a sectional view taken along line a-a of fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the oil level sensor comprises a flange plate 1, a support 2, an oil level sensor 3, an oil storage shell 4, a through hole 41, an electric pump core 5, a wire holder 6, an oil outlet pipe 7, a filtering assembly 8 and a pressure regulating valve 9.
The embodiment is basically as shown in the attached figures 1 to 3: the fuel pump assembly capable of preventing oil cut comprises a flange plate 1 and a support 2, wherein the support 2 is connected with the flange plate 1. Be connected with electric pump core 5 on the support 2, in this embodiment, electric pump core 5 is cylindricly, and electric pump core 5's axial is parallel with the quotation of ring flange 1 to be the state of keeping flat when making electric pump core 5 install in the oil tank, and then can reduce electric pump core 5 to the requirement in vertical space. In this embodiment, the oil suction end of the electric pump element 5 is disposed away from the flange 1, the oil storage shell 4 is disposed at the oil suction end of the electric pump element 5, an oil storage chamber surrounding the oil suction end of the electric pump element 5 is formed inside the oil storage shell 4 and the electric pump element 5, and the oil storage shell 4 is provided with a through hole 41 for communicating the oil storage chamber with the outside. Oil storage shell 4 and ring flange 1 are located same one side of electric pump core 5, and oil storage shell 4 can dismantle with electric pump core 5 and be connected, and in this embodiment, oil storage shell 4 and electric pump core 5 preferably adopt the mode of buckle connection to make things convenient for oil storage shell 4's assembly and dismantlement. The through hole 41 is located on the side of the oil storage shell 4 far away from the electric pump core 5, so that fuel oil can smoothly enter the oil storage chamber when the oil level is low. In this embodiment, the through holes 41 are provided in plural, and the plural through holes 41 are distributed along the periphery of the oil storage case 4, so that the through holes 41 are formed in each side surface of the oil storage case 4, thereby ensuring that fuel oil can enter the oil storage chamber from plural directions.
Be provided with filtering component 8 in the oil storage chamber, filtering component 8 can dismantle with electric pump core 5 and be connected, and in this embodiment, filtering component 8 is connected through the mode of buckle with electric pump core 5. The flange 1 is connected with an oil outlet pipe 7 communicated with the electric pump core 5, in the embodiment, for convenience of manufacture, a cavity is formed on the support 2 to be used as a part of the oil outlet pipe 7, it can be understood that a part of the area of the oil outlet pipe 7 is integrally formed with the support 2, and a fine filtering assembly (not shown in the figure) and a pressure regulating valve 9 are further connected between the oil outlet pipe 7 and the electric pump core 5, so that fine filtering and pressure regulation of fuel oil are realized. The bracket 2 is also provided with an oil level sensor 3, so that the fuel quantity in the fuel tank can be conveniently detected when the bracket is used. The flange plate 1 is also connected with a wire holder 6, so that circuits of the oil level sensor 3 and the electric pump core 5 are conveniently connected with a circuit outside the oil tank through the wire holder 6.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (9)
1. The utility model provides a prevent fuel pump assembly of fuel cut-off, includes ring flange and support, the support is connected with the ring flange, be connected with the electric pump core on the support, be connected with the play oil pipe that communicates with the electric pump core on the ring flange, still be connected with connection terminal, its characterized in that on the ring flange: the oil suction end of the electric pump core is provided with an oil storage shell, an oil storage chamber surrounding the oil suction end of the electric pump core is formed inside the oil storage shell and the electric pump core, and a through hole communicating the oil storage chamber with the outside is formed in the oil storage shell.
2. The fuel pump assembly of claim 1, wherein: the oil storage shell and the flange plate are positioned on the same side of the electric pump core.
3. The fuel pump assembly of claim 2, wherein: the through hole is positioned on one side of the oil storage shell, which is far away from the electric pump core.
4. The fuel pump assembly of claim 3, wherein: the through holes are distributed along the periphery of the oil storage shell.
5. The fuel pump assembly of any of claims 1 to 4, wherein: the oil storage shell is detachably connected with the electric pump core.
6. The fuel pump assembly of claim 5, wherein: the oil storage shell is connected with the electric pump core in a buckling mode.
7. The fuel pump assembly of claim 6, wherein: the oil storage chamber is internally provided with a filtering component which is detachably connected with the electric pump core.
8. The fuel pump assembly of claim 7, wherein: the filtering component is connected with the electric pump core in a buckling mode.
9. The fuel pump assembly of claim 8, wherein: and the bracket is connected with an oil level sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123325429.2U CN216342513U (en) | 2021-12-28 | 2021-12-28 | Prevent fuel pump assembly of fuel cut-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123325429.2U CN216342513U (en) | 2021-12-28 | 2021-12-28 | Prevent fuel pump assembly of fuel cut-off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342513U true CN216342513U (en) | 2022-04-19 |
Family
ID=81165463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123325429.2U Active CN216342513U (en) | 2021-12-28 | 2021-12-28 | Prevent fuel pump assembly of fuel cut-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342513U (en) |
-
2021
- 2021-12-28 CN CN202123325429.2U patent/CN216342513U/en active Active
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