CN211343184U - Low mounting height electric fuel pump assembly - Google Patents
Low mounting height electric fuel pump assembly Download PDFInfo
- Publication number
- CN211343184U CN211343184U CN202020023495.0U CN202020023495U CN211343184U CN 211343184 U CN211343184 U CN 211343184U CN 202020023495 U CN202020023495 U CN 202020023495U CN 211343184 U CN211343184 U CN 211343184U
- Authority
- CN
- China
- Prior art keywords
- filter
- guide sleeve
- filter shell
- fuel pump
- assembly
- 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.)
- Expired - Fee Related
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 description 15
- 239000003365 glass fiber Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
Images
Abstract
The utility model provides an electric fuel pump assembly with low installation height, which is used for supplying fuel for an automobile engine, and comprises a flange plate, a filter shell, a filter element, a bottom barrel, a pressure valve, a liquid level sensor, a pump core, a filter screen, two support rods and two support rod guide sleeves, wherein the flange plate is provided with two assembly holes; one end of the support rod comprises at least two anti-falling wave-shaped parts, the anti-falling wave-shaped parts are inserted into and connected with the assembly holes, and the anti-falling wave-shaped parts are in interference fit with the assembly holes; the other end of the supporting rod comprises an annular groove, the annular groove is inserted and connected with the supporting rod guide sleeve, and an annular clamping convex of the supporting rod guide sleeve is clamped and connected with the annular groove; two connecting sleeves are arranged on the filter shell, and the support rod guide sleeve is inserted and connected with the connecting sleeves. The utility model has the advantages of integrated filter, low installation height, long service life and the like.
Description
Technical Field
The utility model relates to a fuel is supplied with the field, specifically relates to a high efficiency, be used in the low mounting height electric fuel pump assembly of integrated filter that the car fuel was supplied with.
Background
The electric fuel pump assembly is arranged on the fuel tank and has the function of pipeline connection in the fuel supply system. The gasoline in the oil tank is conveyed into the fuel oil pipeline through the filter screen and the oil outlet pipe by the suction force generated when the built-in gasoline pump works, so that the consumption of an engine is provided. In the fuel supply system, fuel is firstly filtered by a primary filter screen to remove impurities in the fuel, then the fuel is pumped by a pump core, one part of the fuel is supplied to the requirement of an engine through a main pipeline, and the other part of the fuel returns the shunted fuel to a fuel tank through a pressure valve.
The design of the oil tank in the prior art tends to the development of miniaturization (hybrid vehicle type oil tank) and flattening, and the flange plate has small installation caliber, low installation height and high requirement on functional integration (such as an integrated filter), so that the existing electric fuel pump assembly is difficult to match.
Thus, the prior art fuel pump assembly also has a place to lift.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a low mounting height's of efficient integrated filter electronic fuel pump assembly to solve prior art's problem.
According to one aspect of the utility model, an electric fuel pump assembly with low installation height is provided for supplying oil to an automobile engine, the fuel pump assembly comprises a flange plate, a filter shell, a filter element, a bottom barrel, a pressure valve, a liquid level sensor, a pump core, a filter screen, two support rods and two support rod guide sleeves, an oil outlet pipe is arranged on the flange plate, the filter element is arranged in the filter shell, an oil inlet and outlet pipe is arranged outside the filter shell, the bottom barrel is integrated with a pressure valve seat, and the pressure valve is arranged in the pressure valve seat; the pump core is sleeved inside the filter shell and connected with an oil inlet of the filter shell through an oil pipe, the filter shell is connected with the bottom barrel, the filter screen is arranged in the bottom barrel and connected to the bottom of the pump core, the liquid level sensor is assembled on the filter shell, and the flange plate is provided with two assembling holes; one end of the support rod comprises at least two anti-falling wave-shaped parts, the anti-falling wave-shaped parts are inserted into and connected with the assembly holes, and the anti-falling wave-shaped parts are in interference fit with the assembly holes; the other end of the supporting rod comprises an annular groove, the annular groove is inserted and connected with the supporting rod guide sleeve, and an annular clamping convex of the supporting rod guide sleeve is clamped and connected with the annular groove; two connecting sleeves are arranged on the filter shell, and the support rod guide sleeve is inserted and connected with the connecting sleeves.
Preferably, the end face of the assembling hole is provided with a triangular positioning sheet, and the position of the support rod guide sleeve corresponding to the triangular positioning sheet is provided with a triangular groove.
Preferably, the cylinder wall of the support rod guide sleeve comprises a long guide sleeve notch, the cylinder wall of the connecting sleeve comprises a sleeve clamping protrusion, and after assembly, the sleeve clamping protrusion is arranged in the guide sleeve notch.
The purpose of this application is: design the electronic fuel pump assembly of the low mounting height of an integrated filter, improve current series electronic fuel pump assembly structure, use branch and branch guide pin bushing cooperation connection ring flange and filter casing under the condition that former basis does not reduce filter area for electronic fuel pump assembly mounting height greatly reduced so that use with the low flat type oil tank matching. In addition, the structure is stable after the flange plate is connected with the filter shell, and the flange plate can bear 40G acceleration impact and cannot be broken.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses an electronic fuel pump assembly has the advantage that the integrated level is high, low mounting height, long service life.
Of course, it is not necessary to implement any particular embodiment of the present invention to achieve all of the above technical effects at the same time.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic external view of a fuel pump assembly according to the present application;
FIG. 2 is a schematic view of the flange, strut and strut guide sleeve exploded in accordance with the present application;
FIG. 3 is an enlarged view of the flange and the strut of the present application;
FIG. 4 is a schematic view of a strut connection cut away according to the present application;
FIG. 5 is a schematic view of the outer appearance of the strut guide sleeve of the present application;
fig. 6 is an appearance schematic view of another angle strut guide sleeve according to the present application.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Referring to fig. 1, the electric fuel pump assembly with a low installation height of the present application is used for supplying fuel to an automobile engine, and includes a flange 1, a filter housing 2, a filter element 3, a bottom barrel 4, a pressure valve 5, a liquid level sensor 6, a pump core 7, a filter screen 8, two support rods 9 and two support rod guide sleeves 10, wherein an oil outlet pipe is arranged on the flange 1, the filter element 3 is arranged inside the filter housing 2, an oil inlet and outlet pipe is arranged outside the filter housing 2, the bottom barrel 4 is integrated with a pressure valve seat, and the pressure valve 5 is arranged in the pressure valve seat; the pump core 7 is sleeved inside the filter shell 2, the pump core 7 is connected with an oil inlet of the filter shell 2 through an oil pipe, the filter shell 2 is connected with the bottom barrel 4, the filter screen 8 is arranged in the bottom barrel 4 and connected to the bottom of the pump core 7, and the liquid level sensor 6 is assembled on the filter shell 2.
Referring to fig. 2, fig. 3 and fig. 4, the flange plate 1 is provided with two assembly holes 11, the assembly holes 11 are located below the flange plate 1 facing the filter housing 2, and inner walls of the assembly holes 11 are arc-shaped planes; one end of the supporting rod 9 comprises at least two anti-falling wave-shaped parts 91, the anti-falling wave-shaped parts 91 are inserted into and connected with the assembly holes 11, the anti-falling wave-shaped parts 91 are in interference fit with the assembly holes 11, and the supporting rod 9 cannot fall out of the assembly holes 11 after being inserted under the action of anti-falling waves; the other end of the strut 9 comprises an annular groove 92, the annular groove 92 is inserted into and connected with the strut guide sleeve 10, and when the strut is positioned, the annular clamping protrusion 101 of the strut guide sleeve 10 is clamped and connected with the annular groove 92; in addition, two connecting sleeves 21 are arranged on the filter housing 2, and the strut guide sleeve 10 is inserted into and connected with the connecting sleeves 21.
As shown in fig. 3, a triangular positioning piece 12 is disposed on an end surface of the mounting hole 11, and in addition, as shown in fig. 5, a triangular groove 102 is disposed at a position of the strut guide sleeve 10 corresponding to the triangular positioning piece 12; after assembly, the triangular positioning piece 12 is inserted into the triangular groove 102. In the present application, the strut guide sleeve 10 is made of nylon (PPA) + 50% Glass Fiber (GF) material.
Referring to fig. 6, as shown in the drawing, the strut guide sleeve 10 is a long hollow cylinder, the cylinder wall of the strut guide sleeve 10 includes a long guide sleeve notch 103, the cylinder wall of the connecting sleeve 21 includes a sleeve locking protrusion 211, as shown in fig. 2, the cylinder wall of the connecting sleeve 21 is provided with a long notch, the sleeve locking protrusion 211 is located at the upper end of the notch, and after assembly, the sleeve locking protrusion 211 is disposed in the guide sleeve notch 103. During assembly, as described above, the triangular positioning piece 12 is inserted into the triangular groove 102, and after accurate insertion, when inserting the two strut guide sleeves 10 into the connecting sleeve 21, the sleeve locking protrusion 211 is located at the guide sleeve notch 103 and can move in the guide sleeve notch 103. The utility model provides a branch 9 and branch guide pin bushing 10 assemble on filter housing 2, and this kind of structural connection flange 1 is firm can bear 40G acceleration impact with filter housing 2 rear structure and does not split, and life is longer.
In this embodiment, as shown in fig. 2, the strut 9 is first assembled with the flange 1, and the strut guide 10 is then assembled to the strut 9 and then to the filter housing 2. It should be noted that the present invention does not limit the specific connection mode between the support rod 9 and the support rod guide sleeve 10 and the filter housing 2, and the connection mode between the support rod 9 and the support rod guide sleeve 10 and the connection flange 1 and the filter housing 2 is only an embodiment, and is not limited to the present invention.
The utility model discloses the electronic fuel pump assembly of the low mounting height of integrated filter of follow-on improves current series electronic fuel pump assembly structure, uses branch 9 and branch guide pin bushing 10 cooperation flange dish 1 and filter casing 2 under the condition that former basis does not reduce filter area for electronic fuel pump assembly mounting height greatly reduced is so that short flat type oil tank matches the use. In addition, the supporting rod guide sleeve 10 is made of PPA + 50% GF material, so that friction loss and the expansion rate of the part can be reduced, and the locking of a movable mechanism can be effectively prevented.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses an electronic fuel pump assembly has the advantage that the integrated level is high, low mounting height, long service life.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (3)
1. An electric fuel pump assembly with a low installation height is used for supplying fuel to an automobile engine and is characterized in that the fuel pump assembly comprises a flange plate, a filter shell, a filter element, a bottom barrel, a pressure valve, a liquid level sensor, a pump core, a filter screen, two support rods and two support rod guide sleeves, wherein an oil outlet pipe is arranged on the flange plate, the filter element is arranged in the filter shell, an oil inlet pipe and an oil outlet pipe are arranged outside the filter shell, the bottom barrel is integrated with a pressure valve seat, and the pressure valve is arranged in the pressure valve seat; the pump core is sleeved inside the filter shell and connected with an oil inlet of the filter shell through an oil pipe, the filter shell is connected with the bottom barrel, the filter screen is arranged in the bottom barrel and connected to the bottom of the pump core, the liquid level sensor is assembled on the filter shell, and the flange plate is provided with two assembling holes;
one end of the support rod comprises at least two anti-falling wave-shaped parts, the anti-falling wave-shaped parts are inserted into and connected with the assembly holes, and the anti-falling wave-shaped parts are in interference fit with the assembly holes;
the other end of the supporting rod comprises an annular groove, the annular groove is inserted and connected with the supporting rod guide sleeve, and an annular clamping convex of the supporting rod guide sleeve is clamped and connected with the annular groove;
two connecting sleeves are arranged on the filter shell, and the support rod guide sleeve is inserted and connected with the connecting sleeves.
2. The fuel pump assembly of claim 1, wherein a cam tab is disposed on an end surface of the mounting hole, and a cam groove is disposed in the strut guide sleeve at a position corresponding to the cam tab.
3. The fuel pump assembly of claim 2, wherein the leg guide includes an elongated guide notch in a wall thereof, and the connecting sleeve includes a sleeve snap projection in a wall thereof, the sleeve snap projection being disposed in the guide notch upon assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020023495.0U CN211343184U (en) | 2020-01-07 | 2020-01-07 | Low mounting height electric fuel pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020023495.0U CN211343184U (en) | 2020-01-07 | 2020-01-07 | Low mounting height electric fuel pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211343184U true CN211343184U (en) | 2020-08-25 |
Family
ID=72137513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020023495.0U Expired - Fee Related CN211343184U (en) | 2020-01-07 | 2020-01-07 | Low mounting height electric fuel pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211343184U (en) |
-
2020
- 2020-01-07 CN CN202020023495.0U patent/CN211343184U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |