CN217029146U - Built-in fuel pump assembly - Google Patents
Built-in fuel pump assembly Download PDFInfo
- Publication number
- CN217029146U CN217029146U CN202220757303.8U CN202220757303U CN217029146U CN 217029146 U CN217029146 U CN 217029146U CN 202220757303 U CN202220757303 U CN 202220757303U CN 217029146 U CN217029146 U CN 217029146U
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- flange
- fuel pump
- pump assembly
- pump core
- fastener
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Abstract
The application relates to the technical field of engine fuel pumps, and discloses a built-in fuel pump assembly, including pump core, play oil nozzle and flange, it sets up on flange one side to go out oil nozzle, the flange opposite side is connected the pump core, it passes through the pipeline intercommunication to go out oil nozzle the pump core, its characterized in that still includes thermal sensor, thermal sensor and pump core are installed in the homonymy of flange. The oil level change in the small-volume oil tank is monitored, the whole structure is compact, and the occupied space is small.
Description
Technical Field
The utility model relates to an engine fuel pump, in particular to a built-in fuel pump assembly.
Background
One of the important components in the fuel supply system of the motorcycle is a fuel pump which mainly comprises a fuel filter, a fuel level sensor and a pump core, at present, the fuel pump is arranged in the fuel tank to suck out fuel from the fuel tank, and the fuel is pressurized and then conveyed into a fuel supply pipe and then supplied into an engine through the fuel pipe, for example, the Chinese patent CN201621471793.6 discloses a fuel pump assembly and a vehicle.
In the above-mentioned patent, the whole overall arrangement of oil pump is long and narrow, and the structure is complicated, and oil level sensor has taken the inside space of many oil tanks, and the miniaturized oil tank of motorcycle structure itself is complicated, and there are many unevenness's structures in the oil tank inside, and need follow the oil level during oil level sensor monitoring and reciprocate, requires that the oil tank is bulky, and remaining available space is few after fuel pump and the engine equipment, and oil level sensor can't monitor the oil level and change.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a built-in fuel pump assembly for monitoring the change of the oil level in a small-volume oil tank.
In order to achieve the purpose, the utility model provides a built-in fuel pump assembly which comprises a pump core, an oil outlet nozzle and a flange, wherein the oil outlet nozzle is arranged on one side of the flange, the other side of the flange is connected with the pump core, and the oil outlet nozzle is communicated with the pump core through a pipeline.
Preferably, the heat-sensitive sensor is detachably connected to the pipeline.
Preferably, one or more than one bracket is arranged on the pipeline in parallel, and the heat-sensitive sensor is connected to the bracket.
In order to filter fuel oil impurities, a fine filter is communicated between the oil outlet nozzle and the pump core, and the fine filter is detachably connected to the flange.
Preferably, a first buckling piece is arranged on the flange, a first hanging piece is arranged on the outer wall of the fine filter, and the first buckling piece is connected with the first hanging piece in a buckling mode.
In order to facilitate the overhaul and the replacement of the pump core, the pump core is detachably connected with the flange.
Preferably, a second buckling piece is arranged on the flange, a second hanging piece is arranged on the outer wall of the pump core, and the second buckling piece is connected with the second hanging piece in a buckling mode.
In order to ensure the tightness of the fuel pump assembly on the fuel tank, a sealing ring is arranged on the flange, the sealing ring and the pump core are arranged on the same side of the flange, and the sealing ring surrounds the fine filter and the pump core.
Preferably, the joint of the sealing ring and the flange is recessed inwards.
In order to control the pressure in the pump core, a pressure regulating valve is connected to the pipeline.
Has the advantages that: the utility model provides a built-in fuel pump assembly, wherein the resistance value of a thermal sensor changes along with the temperature change, the temperature of a measured object is calculated by measuring the resistance value of the thermal sensor, and when the fuel level decreases or exceeds the thermal sensor, the temperature changes along with the change of the resistance value so as to sense the decrease or increase of the fuel level and monitor the change of the fuel level for warning; the thermosensitive sensor can prompt the alarm condition of the lowest oil level in time, and the alarm value sets the installation height according to the relative target oil level; the integral structure is compact, the occupied space is small, the space utilization rate is improved under the condition that the original power is not changed, and the oil tank is particularly suitable for small oil tanks.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 2;
fig. 4 is a bottom view of fig. 2.
Reference numerals are as follows: 1. a pump core; 2. an oil outlet nozzle; 3. an electric connection port; 4. a fine filter; 5. a flange; 6. a heat-sensitive sensor; 7. a pipeline; 8. a support; 9. a pressure regulating valve; 10. a first hanging fastener; 11. a first fastener; 12. a second hanging fastener; 13. a second fastener; 14. a seal ring; 15. mounting holes; 16. connecting holes; 17. a third hanging fastener; 18. and a third fastener.
Detailed Description
The following detailed description of the embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and modifications made to the utility model without departing from the principle of the utility model will also fall within the scope of the claims of the present invention.
Example 1
As shown in fig. 1-4, the utility model provides a built-in fuel pump assembly, which comprises a pump core 1, an oil outlet nozzle 2, an electric connection port 3, a flange 5 and a thermal sensor 6, wherein the oil outlet nozzle 2 and the electric connection port 3 are both arranged on a flange surface on the same side of the flange 5, the flange surface on the other side of the flange 5 is connected with the pump core 1, the oil outlet nozzle 2 is communicated with the pump core 1 through a pipeline 7, the thermal sensor 6 and the pump core 1 are arranged on the same side of the flange 5, the thermal sensor 6 is detachably connected on the pipeline 7 through two parallel brackets 8, the flange 5 is connected with an oil tank, and the thermal sensor 6 and the pump core 1 are positioned in the oil tank, so that the thermal sensor 6 monitors the oil level condition.
The fuel oil filter is characterized by further comprising a fine filter 4, wherein the fine filter 4 is positioned between the oil outlet nozzle 2 and the pump core 1 to filter impurities in the fuel oil.
The outer wall of the fine filter 4 is provided with a first fastener 10, the first fastener 10 is connected with the flange 5 in a buckling mode through a first buckle piece 11, and the fine filter 4 is convenient to detach and install.
The pump core is characterized in that a second buckling piece 13 is arranged on the flange 5, the second buckling piece 13 and the first buckling piece 11 are arranged in the middle of the flange 5 side by side, a second buckling piece 12 is arranged on the outer wall of the pump core 1, and the second buckling piece 13 is connected with the second buckling piece 12 in a buckling mode, so that the pump core 1 is convenient to detach and install.
The oil-saving type oil pump is characterized in that a sealing ring 14 is arranged on the flange 5, the sealing ring 14 and the pump core 1 are arranged on the same side of the flange 5, the sealing ring 14 surrounds the fine filter 4 and the pump core 1, the joint of the sealing ring 14 and the flange 5 is inwards recessed, so that the sealing ring 14 is embedded into the flange 5, 6 mounting holes 15 are formed in the recessed part and used for being fixedly connected to an oil tank, and connecting holes 16 are formed in the sealing ring 14 and correspond to the mounting holes 15, so that the oil tank is connected while sealing conditions are met.
The pipeline 7 is detachably connected with a pressure regulating valve 9, a third hanging fastener 17 is arranged on the pressure regulating valve 9, and the third hanging fastener 17 is connected with a third fastening fastener 18 on the pipeline 7, so that the pressure regulating valve 9 can be conveniently detached.
The built-in fuel pump assembly is connected to an oil tank through a mounting hole 15 on the flange 5, the pump core 1, the thermosensitive sensor 6 and the fine filter 4 are all arranged in the oil tank, the thermosensitive sensor 6 is arranged at different positions according to the height of the oil level to be monitored or different spaces in the oil tank, when the oil level of fuel changes, the resistance in the thermosensitive sensor 6 changes and feeds back the information of the oil level, the oil level change can be monitored without moving along with the oil level, the space occupancy rate is reduced, the overall structure is more compact, the internal space of the oil tank is fully utilized, and the built-in fuel pump assembly can adapt to motorcycle oil tanks of different body types.
Claims (12)
1. The utility model provides a built-in fuel pump assembly, includes pump core, goes out glib and flange, it sets up on flange one side to go out glib, the flange opposite side is connected the pump core, it communicates through the pipeline pump core, its characterized in that goes out glib: the pump core is arranged on the same side of the flange.
2. The in-line fuel pump assembly of claim 1, wherein: the heat-sensitive sensor is detachably connected to the pipeline.
3. The in-line fuel pump assembly of claim 2, wherein: one or more than one bracket is arranged on the pipeline in parallel, and the heat-sensitive sensor is connected to the bracket.
4. The in-built fuel pump assembly according to any one of claims 1 to 3, wherein: the oil outlet nozzle is communicated with the pump core through a fine filter, and the fine filter is detachably connected to the flange.
5. The in-built fuel pump assembly of claim 4, wherein: the flange is provided with a first buckling piece, the outer wall of the fine filter is provided with a first hanging piece, and the first buckling piece is connected with the first hanging piece in a buckling mode.
6. The in-line fuel pump assembly of any of claims 1-3, wherein: the pump core is detachably connected with the flange.
7. The in-line fuel pump assembly of claim 5, wherein: the pump core is detachably connected with the flange.
8. The in-built fuel pump assembly of claim 6, wherein: the flange is provided with a second fastener, the outer wall of the pump core is provided with a second fastener, and the second fastener is connected with the second fastener in a buckling mode.
9. The in-built fuel pump assembly of claim 7, wherein: the flange is provided with a second fastener, the outer wall of the pump core is provided with a second fastener, and the second fastener is connected with the second fastener in a buckling mode.
10. The in-line fuel pump assembly of any of claims 5 and 9, wherein: the flange is provided with a sealing ring, the sealing ring and the pump core are arranged at the same side of the flange, and the sealing ring surrounds the fine filter and the pump core.
11. The in-line fuel pump assembly of claim 10, wherein: the joint of the sealing ring and the flange is inwards sunken.
12. The in-tank fuel pump assembly of any of claims 1, 2, 3, 5, 8 and 11, wherein: the pipeline is connected with a pressure regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220757303.8U CN217029146U (en) | 2022-04-01 | 2022-04-01 | Built-in fuel pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220757303.8U CN217029146U (en) | 2022-04-01 | 2022-04-01 | Built-in fuel pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217029146U true CN217029146U (en) | 2022-07-22 |
Family
ID=82415565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220757303.8U Active CN217029146U (en) | 2022-04-01 | 2022-04-01 | Built-in fuel pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217029146U (en) |
-
2022
- 2022-04-01 CN CN202220757303.8U patent/CN217029146U/en active Active
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