CN201391393Y - Electric fuel pump assembly - Google Patents
Electric fuel pump assembly Download PDFInfo
- Publication number
- CN201391393Y CN201391393Y CN200920070571U CN200920070571U CN201391393Y CN 201391393 Y CN201391393 Y CN 201391393Y CN 200920070571 U CN200920070571 U CN 200920070571U CN 200920070571 U CN200920070571 U CN 200920070571U CN 201391393 Y CN201391393 Y CN 201391393Y
- Authority
- CN
- China
- Prior art keywords
- fuel
- electric fuel
- pump assembly
- level sensor
- oil
- 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 - Lifetime
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- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The utility model provides an electric fuel pump assembly which comprises a bottom barrel, an electric fuel pump, a fuel level sensor, a fuel outlet pipeline and a fuel return pipeline, wherein the electric fuel pump is arranged in the bottom barrel; the bottom of the bottom barrel is provided with a one-way fuel inlet valve; the fuel outlet pipeline is connected with the fuel outlet of the electric fuel pump; the top end of the electric fuel pump assembly is provided with an upper cover matched with a fuel tank port; the fuel outlet of the fuel outlet pipeline and the fuel inlet of the fuel return pipeline are arranged on the upper cover on the fuel tank port; the fuel return pipeline is connected with a pressure adjusting valve; the fuel level sensor is fixed on the shell at the inner side of the bottom barrel; a combined junction box is arranged on the upper cover of the fuel tank port; and the connection wire of the fuel level sensor and the connection wire of the electric fuel pump are connected in the combined junction box by a plug connector. The electric fuel pump assembly arranges the pressure adjusting valve and the fuel level sensor centrally, has the function of fuel storage, is compact in structure and convenient for installation and maintenance, saves cost, and reduces the leakage probability of fuels.
Description
Technical field
The utility model relates to a kind of automobile fuel pump parts, especially a kind of electric fuel pump assembly.
Background technique
Prior art motorcar electric fuel oil pump assembly has following technical characteristics:
On the fuel oil pump assembly mounting type: fuel oil pump assembly is fixed on the reservoir port by screw lid, is connected with the feeding oil of fuel pump pipeline by rubber pipe, fixes by clip then; Perhaps fuel oil pump assembly being arranged on covering of reservoir port, passes through screw by the flange plate clinching then.This dual mode all exists installation rate slow, the problem of maintenance difficult, and also taken bigger space.
On the pressure regulator valve mounting type, prior art is that pressure valve is installed in the transport pipe end, and near motor, unnecessary fuel oil is got back in the fuel tank by oil returning tube.This mounting type, pressure valve is near the engine high-temperature district, and the life-span shortens greatly.
On the fuel level sensor mounting type, prior art is utilized independent support by in the fuel tank upper shed, and fuel level sensor is fixed on the fuel tank.This mounting type will be connected with fuel level sensor from independent outlet on the automotive wire bundle, and increase the probability of fuel leakage in fuel tank upper shed meeting.
In addition, in the prior art in fuel tank fuel oil less, automobile when climbing waits the inclination mode to move, emptying phenomenon can occur again, influences the operation of automobile.
Summary of the invention
The utility model is for solving in the prior art, and the fuel oil pump assembly installation rate is slow, maintenance difficult; Pressure regulator valve is near motor, and the life-span is shorter; The fuel level sensor mounting type is comparatively complicated, and causes leakage of oil easily; And technical problems such as emptying phenomenon appear in existing structure easily, provide a kind of rational in infrastructure, and are easy to maintenance, the electric fuel pump assembly of more perfect function.
In order to achieve the above object, the technological scheme that the utility model adopted provides a kind of electric fuel pump assembly, comprises end bucket, electric fuel punp, fuel level sensor, flowline, oil returning tube; Described electric fuel punp is arranged in the end bucket; Bucket bottom, the described end is provided with unidirectional oiling valve; Described flowline is connected with the electric fuel punp oil outlet; Described electric fuel pump assembly top is provided with the loam cake that cooperates with reservoir port, and the oil outlet of described flowline and the filler opening of oil returning tube are arranged on the reservoir port and cover; Described oil returning tube is connected with pressure regulator valve; Described fuel level sensor is fixed on the interior side body of end bucket; Described reservoir port loam cake is provided with the combination terminal box, and described fuel level sensor wiring and electric fuel punp wiring are connected in the combination terminal box by plug connector.
Further, described pressure regulator valve is fixed in the pressure valve seat, described pressure valve seat is fixed on the support oil pipe that is arranged in the end bucket, described support oil pipe is connected with connecting tube, described connecting tube one, end was provided with pressurized hole, and described connecting tube is highly managed connection by pressurized hole and oil return; Described oil return is highly managed the lower end and is provided with the first filter screen of bringing oilhole into.
Further, the described gland that is arranged on the loam cake of reservoir port by helix structure, rotation is fixed on the fuel tank.
Further, described fuel level sensor comprises a float, and described float one end is connected with jockey, and the thick film circuit on described jockey and the ceramic plate touches.
The utility model compared with prior art, its effect is actively and significantly.In the technical program, electric fuel punp connecting line and fuel level sensor wiring are lumped together by in the plug connector insertion combination terminal box; Flowline oil outlet and oil returning tube filler opening be arranged on the reservoir port cover, the reservoir port loam cake is by the gland of helix structure, and rotation is fixed on the fuel tank; Made things convenient for installation like this, repair and replacement are also very convenient.The utility model is arranged on pressure regulator valve on the electric fuel punp return tube, away from motor, has avoided because high temperature and the situation of the build-up of pressure modulating valve lost of life; Fuel level sensor is arranged in the end bucket on the side body, has saved the fixed support of fuel level sensor, saved cost, reduced the fuel tank opening, reduced the probability that fuel tank is revealed.The utility model is also highly managed by oil return, utilizes oil return that the fuel oil of fuel tank bottom is drawn onto certain altitude, in the excessive bucket on earth, has guaranteed that fuel tank has fuel oil always, the emptying phenomenon when having avoided automobilism.The utility model had both guaranteed the normal fuel injection of automobile, and pressure valve, fuel level sensor are concentrated in together, and had simplified external structure, provide cost savings, reduced fuel oil and revealed probability, provide convenience to installation and maintenance, also possess the oil storage function simultaneously, prevented the suction sky of automobile.
Description of drawings
Fig. 1 is a kind of electric fuel pump assembly structure of the utility model and oil circuit schematic representation;
Fig. 2 is the cross-sectional view of a kind of electric fuel pump assembly of the utility model;
Fig. 3 is the pressure regulator valve and the fuel level sensor cross-sectional view of a kind of electric fuel pump assembly shown in Figure 2;
Fig. 4 is the reservoir port superstructure schematic representation of a kind of electric fuel pump assembly shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 1, the utility model comprises end bucket 3, and electric fuel punp 4 is arranged in the end bucket 3, and flowline 7 is connected with the oil outlet of electric fuel punp 4; Reservoir port loam cake 1 is by the gland of helix structure, and rotation is fixed on the fuel tank; The filler opening of the oil outlet of flowline 7 and inflow pipeline 8 is arranged on the reservoir port loam cake 1; Oil returning tube 8 is connected with pressure regulator valve 9; Fuel level sensor 2 is arranged on the interior side body of end bucket 3; Reservoir port loam cake 1 is provided with combination terminal box 6, and the wiring of the wiring of fuel level sensor 2 and electric fuel punp 4 is by in the plug connector thereto 6; Bucket 3 bottoms in the end are provided with unidirectional oiling valve 11.
As Fig. 2, shown in Figure 3, pressure regulator valve 9 is fixed on the pressure valve seat 12, is provided with seal ring between pressure regulator valve 9 and the pressure valve seat 12; The high voltage interface of oil returning tube 8 inner joints and pressure valve seat 9 is connected, pressure valve seat 12 is fixed on and supports on the oil pipe 13, support oil pipe 13 and be connected with connecting tube 14, the end of connecting tube 14 is provided with pressurized hole 19, connecting tube 14 highly manages 15 by pressurized hole 19 and oil return and is connected; Oil return is highly managed 15 lower ends the first filter screen 16 of bringing oily aperture into is set.Fuel level sensor 2 comprises float 5, and an end of float 5 is connected with jockey 17, and the thick film circuit on jockey 17 and the ceramic plate 18 touches.
As shown in Figure 4, the filler opening of the oil outlet of flowline 7 and inflow pipeline 8 is arranged on the reservoir port loam cake 1, and combination terminal box 6 also is arranged on the reservoir port loam cake 1.
In the utility model, the filler opening of the oil outlet of flowline 7, oil returning tube 8, combination terminal box 6 all are arranged on the reservoir port loam cake 1, and reservoir port loam cake 1 is by the gland of helix structure, and rotation is fixed on the fuel tank, has made things convenient for to install and maintenance.
In the utility model, pressure regulator valve 9 is installed on the oil returning tube 8, oil return enters pressure regulator valve 9 by oil returning tube 8, support oil pipe 13 and connecting tube 14 with the direction of oil return under transfer to upwards, by pressurized hole 19, the oil return umbrella that makes progress sprays into oil return and highly manages in 15, and oil return drives and enters the fuel oil that oil return highly manages 15 bottoms from first filter screen 16 and highly manage 15 upper ends to oil return, overflows in the end bucket 3 subsequently again.Highly manage 15 by oil return and utilize oil return that the fuel oil of fuel tank bottom is drawn onto certain altitude, overflow in fuel tank again, the fuel head in the fuel tank is highly managed 15 decisions by oil return, and guaranteed has fuel oil, the emptying phenomenon when having avoided automobilism always in the fuel tank.Pressure regulator valve 19 has reduced because the situation of the high temperature build-up of pressure modulating valve lost of life away from motor simultaneously.
In the utility model, fuel level sensor 2 is arranged on the interior side body of end bucket 3, has saved the fixed support of fuel level sensor, has saved cost, has reduced the fuel tank opening, has reduced the probability that fuel tank is revealed.
Claims (4)
1. an electric fuel pump assembly comprises end bucket, electric fuel punp, fuel level sensor, flowline, oil returning tube; Described electric fuel punp is arranged in the end bucket; Bucket bottom, the described end is provided with unidirectional oiling valve; Described flowline is connected with the electric fuel punp oil outlet; It is characterized in that: described electric fuel pump assembly top is provided with the loam cake that cooperates with reservoir port, and the oil outlet of described flowline and the filler opening of oil returning tube are arranged on the reservoir port and cover; Described oil returning tube is connected with pressure regulator valve; Described fuel level sensor is fixed on the interior side body of end bucket; Described reservoir port loam cake is provided with the combination terminal box, and described fuel level sensor wiring and electric fuel punp wiring are connected in the combination terminal box by plug connector.
2. a kind of electric fuel pump assembly as claimed in claim 1, it is characterized in that: described pressure regulator valve is fixed in the pressure valve seat, described pressure valve seat is fixed on the support oil pipe that is arranged in the end bucket, described support oil pipe is connected with connecting tube, described connecting tube one, end was provided with pressurized hole, and described connecting tube is highly managed connection by pressurized hole and oil return; Described oil return is highly managed the lower end and is provided with the first filter screen of bringing oilhole into.
3. a kind of electric fuel pump assembly as claimed in claim 1 or 2 is characterized in that: the described gland that is arranged on the loam cake of reservoir port by helix structure, rotation is fixed on the fuel tank.
4. a kind of electric fuel pump assembly as claimed in claim 3, its spy just is: described fuel level sensor comprises a float, and described float one end is connected with jockey, and described jockey contacts with thick film circuit on the ceramic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920070571U CN201391393Y (en) | 2009-04-17 | 2009-04-17 | Electric fuel pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920070571U CN201391393Y (en) | 2009-04-17 | 2009-04-17 | Electric fuel pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201391393Y true CN201391393Y (en) | 2010-01-27 |
Family
ID=41598219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920070571U Expired - Lifetime CN201391393Y (en) | 2009-04-17 | 2009-04-17 | Electric fuel pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201391393Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865057B (en) * | 2009-04-17 | 2011-12-28 | 上海世德子汽车零部件有限公司 | Electric fuel pump assembly |
| CN103850835A (en) * | 2014-03-27 | 2014-06-11 | 重庆万力联兴实业(集团)有限公司 | Electric fuel pump assembly |
| CN105235500A (en) * | 2015-10-21 | 2016-01-13 | 无锡惠山泵业有限公司 | Novel automobile fuel oil tank |
-
2009
- 2009-04-17 CN CN200920070571U patent/CN201391393Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865057B (en) * | 2009-04-17 | 2011-12-28 | 上海世德子汽车零部件有限公司 | Electric fuel pump assembly |
| CN103850835A (en) * | 2014-03-27 | 2014-06-11 | 重庆万力联兴实业(集团)有限公司 | Electric fuel pump assembly |
| CN105235500A (en) * | 2015-10-21 | 2016-01-13 | 无锡惠山泵业有限公司 | Novel automobile fuel oil tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100127 Effective date of abandoning: 20090417 |