CN202209237U - Electric fuel oil pump assembly - Google Patents
Electric fuel oil pump assembly Download PDFInfo
- Publication number
- CN202209237U CN202209237U CN2011202944777U CN201120294477U CN202209237U CN 202209237 U CN202209237 U CN 202209237U CN 2011202944777 U CN2011202944777 U CN 2011202944777U CN 201120294477 U CN201120294477 U CN 201120294477U CN 202209237 U CN202209237 U CN 202209237U
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- Prior art keywords
- oil
- valve
- sensor
- tube
- filler opening
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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.)
- Expired - Fee Related
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Abstract
An electric fuel oil pump assembly comprises a main flange, an auxiliary flange, a main sensor, an auxiliary sensor, a sensor wiring harness, an oil outlet tube, a bottom barrel, a filter, a pressure valve, a pump core, a filter screen, a siphon, a venturi, a venturi oil driving tube, a decompression three-way valve, an inject valve and an inject valve oil driving tube. The main sensor is connected with the main flange, the auxiliary sensor is connected with the auxiliary flange, and the sensor wiring harness is connected onto the main sensor and the auxiliary sensor. The oil outlet tube is arranged on the main flange, the bottom barrel is connected with the main flange, the filter is arranged in the bottom barrel, the pressure valve is arranged on the filter and connected with the oil outlet tube, the pump core is arranged in the filter, and the filter screen is connected with the bottom of the pump core. The venturi oil driving tube is connected with the pump core, the venturi is arranged in the bottom barrel and connected with the siphon, the decompression three-way valve is respectively connected with the venturi, the venturi oil driving tube and the inject valve oil driving tube, and the inject valve penetrates through the bottom of the bottom barrel to be connected with the injecting valve oil driving tube. The electric fuel oil pump assembly is suitable for oil tanks complex in structure.
Description
Technical field
The utility model relates to a kind of electric fuel pump assembly, relates in particular to a kind of can the commensurate structure complicated fuel tank and the electric fuel pump assembly of long service life.
Background technique
Electric fuel pump assembly is applied in the vehicle fuel supply system, and during work, fuel oil is under the running of fuel pump pump core drives; Wicked in the end bucket by pump, before getting into end bucket, elder generation is through the filtration of filter screen; Get into the filler opening of fuel pump pump core,, arrive the oil outlet of pump core through the pump core; Arrive the fuel supply system of automobile, for the vehicle fuel system provides fuel oil fast.In recent years; Flourish along with car industry; The electric fuel pump assembly that generally uses in the market can not satisfy the growth requirement of medium-to-high grade car, and variety of issue highlights day by day, and specifically there is following shortcoming in actual use in existing electric fuel pump assembly:
1, existing electric fuel pump assembly can only be applicable to the fuel tank of the single shape of form, for the complicated fuel tank of structure, as saddle type fuel tank etc. shape need is arranged and make oil storage only the fuel tank at a position be difficult to be suitable for.
2, the filtration system of existing electric fuel pump assembly has only filtrating equipment of filter screen; Fuel oil a filtration through a filtration system; Be difficult to guarantee that the fuel oil that gets into fuel pump pump core can reach comparatively ideal state, the quality of fuel oil can't guarantee, therefore; Wearing and tearing to fuel pump pump core must be accelerated, and greatly reduce the working life of fuel pump.
The model utility content
The purpose of the utility model is to provide a kind of electric fuel pump assembly, to solve the technical problem that existing electric fuel pump assembly can not be applicable to that baroque fuel tank and shelf life lack.
For achieving the above object, the utility model provides a kind of electric fuel pump assembly, comprising: main flange plate, secondary flange plate, master reference, secondary sensor, sensor wire harness, oil outlet tube, end bucket, secondary cleaner, pressure valve, pump core, filter screen, syphon tube, Venturi tube, Venturi tube displacement of reservoir oil pipe, pressure release three-way valve, injection valve and injection valve displacement of reservoir oil pipe; Master reference is connected with main flange plate, and secondary sensor is connected with secondary flange plate, and the sensor wire harness is connected to master reference and secondary sensor; Oil outlet tube is arranged on the main flange plate, and end bucket is connected with main flange plate, and secondary cleaner is arranged in the end bucket; Pressure valve is arranged on the secondary cleaner and with oil outlet tube and is connected; The pump core is arranged in the secondary cleaner and is connected with the secondary cleaner socket, and it is provided with filler opening and oil outlet, and filter screen is connected to pump core bottom; One end of Venturi tube displacement of reservoir oil pipe is connected to filler opening; Venturi tube is arranged in the end bucket, and it is provided with first filler opening and second filler opening, and syphon tube is connected with first filler opening; The pressure release three-way valve is connected to the other end of second filler opening, Venturi tube displacement of reservoir oil pipe and an end of injection valve displacement of reservoir oil pipe respectively, and the injection valve is arranged in bucket bottom, the end and is connected with the other end of injection valve displacement of reservoir oil pipe.
According to the described electric fuel pump assembly of the utility model preferred embodiment, it also comprises an one-way valve, and this one-way valve is arranged in the Venturi tube, is connected with the first filler opening socket.
Compared with prior art, the utlity model has following advantage:
1, this electric fuel pump assembly has adopted Venturi tube, utilizes the siphon principle of Venturi tube that the fuel oil at other outer oil storage position of main fuel tank is drawn, thereby can adapt to the user demand of labyrinth fuel tank.And, one-way valve also has been installed in the Venturi tube, restart after making Venturi tube close and speed up.In addition, this electric fuel pump assembly has also adopted the injection valve, can bring the fuel oil in the fuel tank end of into bucket with the jet of injection valve, makes that the oil in the end bucket is in full oil condition all the time, thereby satisfies the user demand of high flow pump.Therefore, this electric fuel pump assembly can fully satisfy the growth requirement of medium-to-high grade car, and Applicable scope is extensive.
2, this electric fuel pump assembly adopts two-stage filtration system; Fuel oil filters through the economic benefits and social benefits of filter screen and secondary cleaner; Make the fuel qualities that gets in the fuel pump obtain maximum raising, reduced the wearing and tearing of the pump core that causes because of impurity, improved working life greatly.And, follow the raising of quality, fuel oil can fully burn, and meets environmental protection requirement.
3, this electric fuel pump assembly is installed in the pump core in the secondary cleaner, the feasible noise conductively-closed that is produced by the pump core.And pressure valve also is installed on the secondary cleaner, makes pressure valve be in the state that is surrounded by fuel oil all the time, and the noise that is produced by pressure valve also conductively-closed falls, and therefore, this electric fuel pump assembly has farthest reduced noise, and noise is low, performance good.
Description of drawings
Fig. 1 is the mounting structure schematic representation of the utility model electric fuel pump assembly in the saddle type fuel tank.
Embodiment
Specify the utility model below in conjunction with accompanying drawing.
Below be the electric fuel pump assembly that example is specifically introduced the utility model to be installed in the saddle type fuel tank.
See also Fig. 1; A kind of electric fuel pump assembly; Be installed in the saddle type fuel tank 10; Comprise: main flange plate 11, secondary flange plate 12, master reference 13, secondary sensor 14, sensor wire harness 15, oil outlet tube 16, end bucket 17, secondary cleaner 18, pressure valve 19, pump core 20, filter screen 21, syphon tube 22, Venturi tube 23, Venturi tube displacement of reservoir oil pipe 24, pressure release three-way valve 25, injection valve 26 and injection valve displacement of reservoir oil pipe 27; Main flange plate 11 is connected with the main fuel tank 101 of saddle type fuel tank 10, and master reference 13 is connected to main flange plate 11.Secondary flange plate 12 is installed on the drop tank of saddle type fuel tank 10, and secondary sensor 14 is connected to secondary flange plate 12, and sensor wire harness 15 is connected to master reference 13 and secondary sensor 14; Oil outlet tube 16 is arranged on the main flange plate 11, and end bucket 17 is connected with main flange plate 11, and secondary cleaner 18 is arranged in the end bucket 17; Pressure valve 19 is arranged on the secondary cleaner 18 and with oil outlet tube 16 and is connected; Pump core 20 is arranged in the secondary cleaner 18 and is connected with secondary cleaner 18 sockets, and pump core 20 is provided with filler opening and oil outlet, and filter screen 21 is connected to pump core 20 bottoms; One end of Venturi tube displacement of reservoir oil pipe 24 is connected to filler opening; Venturi tube 23 is arranged in the end bucket 17, and it is provided with first filler opening and second filler opening, and syphon tube 22 is connected with first filler opening; Pressure release three-way valve 25 is connected to the other end of second filler opening, Venturi tube displacement of reservoir oil pipe 24 and an end of injection valve displacement of reservoir oil pipe 27 respectively, and injection valve 26 is arranged in end bucket 17 bottoms and is connected with the other end of injection valve displacement of reservoir oil pipe 27.
Preferably; In the present embodiment, above-mentioned electric fuel pump assembly also comprises an one-way valve 28, and this one-way valve 28 is arranged in the Venturi tube 23; Be connected with the first filler opening socket; This one-way valve 28 has unidirectional current-limiting function, Yi Bian make fuel oil to get into Venturi tube 23 the inners from opening one-way valve, and can not return from Venturi tube 23 the inners.When Venturi tube 23 is out of service; One-way valve 28 is closed, and makes fuel level still rest on the instantaneous height in the running, when Venturi tube 23 starts once more; Continue operation again at the liquid level of closing instantaneous height, thereby effectively accelerated the toggle speed of Venturi tube 23.
The concrete working procedure of the electric fuel pump assembly of the utility model is following:
Fuel oil is under the driving of pump core 20, and bucket 17 is drawn into pump core 20 end of from via filter screen 21, in pump core 20, divides the two-way operation fuel oil: one road oil outlet from pump core 20 arrives secondary cleaner 18; Behind the filter core multiple filtration of secondary cleaner 18; Come the pressure valve 19 that is contained on secondary cleaner 18 housings, come oil outlet tube 16 again, be transported to motor by oil outlet tube 16 and use; In the oil circuit overpressure, pressure valve 19 automatic drainings bucket are on earth accomplished pressure release; One route pump core, 20 bottom tappings are to Venturi tube displacement of reservoir oil pipe 24; Fuel oil divides two-way again by pressure release three-way valve 25; One the tunnel arrives Venturi tube 23 gets into Venturi tube 23 by second filler opening and plays the effect that drives Venturi tube 23, makes that the fuel oil in the drop tank 102 arrives first filler opening of Venturi tubes 23 through syphon tube 22, and through one-way valve 28 and be dissolved into and drive in the oil; Get into together in the end bucket 17 of electric fuel punp, thus the purpose of the fuel oil in the drop tank; Other one the tunnel then gets into injection valve displacement of reservoir oil pipe 27 arrives injection valve 26; Fuel-displaced aperture by injection valve 26 sprays back in the end bucket 17; In the process of spraying, the fuel oil in the main fuel tank 101 is followed this strand jet and is got into end bucket 17 together, reaches the purpose that makes full use of of the fuel oil in the fuel tank.
More than the disclosed several specific embodiments that are merely the utility model, but the utility model is not limited thereto, any those skilled in the art can think variation, all should drop in the protection domain of the utility model.
Claims (2)
1. electric fuel pump assembly; It is characterized in that; Comprise: main flange plate, secondary flange plate, master reference, secondary sensor, sensor wire harness, oil outlet tube, end bucket, secondary cleaner, pressure valve, pump core, filter screen, syphon tube, Venturi tube, Venturi tube displacement of reservoir oil pipe, pressure release three-way valve, injection valve and injection valve displacement of reservoir oil pipe, said master reference is connected with said main flange plate, and said secondary sensor is connected with said secondary flange plate; Said sensor wire harness is connected to said master reference and secondary sensor; Said oil outlet tube is arranged on the said main flange plate, and bucket of the said end is connected with said main flange plate, and said secondary cleaner is arranged in the bucket of the said end; Said pressure valve is arranged on the said secondary cleaner and with said oil outlet tube and is connected; Said pump core is arranged in the said secondary cleaner and is connected with said secondary cleaner socket, and it is provided with filler opening and oil outlet, and said filter screen is connected to said pump core bottom; One end of said Venturi tube displacement of reservoir oil pipe is connected to said filler opening; Said Venturi tube is arranged in the bucket of the said end, and it is provided with first filler opening and second filler opening, and said syphon tube is connected with said first filler opening; Said pressure release three-way valve is connected to the other end of said second filler opening, said Venturi tube displacement of reservoir oil pipe and an end of said injection valve displacement of reservoir oil pipe respectively, and said injection valve is arranged in bucket bottom, the said end and is connected with the other end of said injection valve displacement of reservoir oil pipe.
2. electric fuel pump assembly as claimed in claim 1 is characterized in that, also comprises an one-way valve, and said one-way valve is arranged in the said Venturi tube, is connected with the said first filler opening socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202944777U CN202209237U (en) | 2011-08-15 | 2011-08-15 | Electric fuel oil pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202944777U CN202209237U (en) | 2011-08-15 | 2011-08-15 | Electric fuel oil pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202209237U true CN202209237U (en) | 2012-05-02 |
Family
ID=45988788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202944777U Expired - Fee Related CN202209237U (en) | 2011-08-15 | 2011-08-15 | Electric fuel oil pump assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202209237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791160A (en) * | 2015-04-30 | 2015-07-22 | 安徽江淮汽车股份有限公司 | Fuel tank oil-conveying pipeline device |
| CN108005822A (en) * | 2017-12-25 | 2018-05-08 | 中国第汽车股份有限公司 | A kind of left and right grease chamber homogeneous oil supply mechanism |
-
2011
- 2011-08-15 CN CN2011202944777U patent/CN202209237U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791160A (en) * | 2015-04-30 | 2015-07-22 | 安徽江淮汽车股份有限公司 | Fuel tank oil-conveying pipeline device |
| CN108005822A (en) * | 2017-12-25 | 2018-05-08 | 中国第汽车股份有限公司 | A kind of left and right grease chamber homogeneous oil supply mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20160815 |