CN201778932U - Fuel pump - Google Patents
Fuel pump Download PDFInfo
- Publication number
- CN201778932U CN201778932U CN2010202460350U CN201020246035U CN201778932U CN 201778932 U CN201778932 U CN 201778932U CN 2010202460350 U CN2010202460350 U CN 2010202460350U CN 201020246035 U CN201020246035 U CN 201020246035U CN 201778932 U CN201778932 U CN 201778932U
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- Prior art keywords
- fuel
- oil
- pump
- oil outlet
- valve
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Abstract
The utility model discloses a fuel pump, comprising a fuel pump body, a fuel outlet pipe, a flange cover supported on the fuel pump body, a pump core arranged in the fuel pump body, and an active carbon tank arranged on one side of the flange cover towards the fuel pump body, wherein the pump core is provided with a first fuel inlet and a first fuel outlet, and fuel enters the first fuel inlet and is pumped out from the first fuel outlet; in addition, the fuel pump also comprises a fuel filter fixed in the fuel body, the fuel filter is provided with a second fuel inlet and a second fuel outlet, the second fuel inlet of the fuel filter is communicated with the first fuel outlet of the pump core, and the second fuel outlet of the fuel filter is communicated with a fuel outlet pipe. The fuel pump provided in the utility model has higher integration level, compact and simple structure, space saving, and convenience in dismounting.
Description
Technical field
The utility model relates to a kind of vehicle fuel pump structure of motor vehicle.
Background technique
Electric fuel punp is one of basic element of character of electronic fuel injection motor.A kind of common electric fuel pump as shown in Figure 1, it is generally driven by dc micro-motor, and its effect is being transported in the pipeline after sucking-off in the fuel from fuel tank, the pressurization and suitable system pressure is set up in the fuel pressure regulator cooperation.Electric fuel punp is installed in fuel tank internal, is immersed in the fuel oil, has fuel filter in the oil feed line that the electric fuel punp outside is connect, and is used to filter the fuel oil that provides to motor.
At present, a kind of combination gas oil pump device of the compact structure that fuel pump and charcoal canister are combined occurred, charcoal canister has been fixedly mounted on the blind flange of fuel pump.This knockdown fuel pump is placed in the fuel tank fully, the fuel pump of lower end is immersed in the fuel oil, the steam of fuel evaporation is stored in the charcoal jar as far as possible, significantly reduce the discharging of fuel-steam to atmosphere, substituted the fuel evaporation collecting system that is provided with outside fuel tank, compact structure is saved the fuel tank space outerpace.
But this above-mentioned combination gas oil pump just is integrated in charcoal canister in the fuel pump, level of integration is not high, for example, also have the fuel oil oil purifier that is provided with in addition in the oil feed line externally, and a structure also need be set on fuel tank in addition the oil spilling cut-off valve that is used to prevent that fuel oil from overflowing to the outside in the fuel tank is installed.Therefore, also need spended time that parts in the above-mentioned oil-fired system are installed, unfavorable saving time to improve efficiency of assembling.
The model utility content
At the fuel pump of prior art, the level of integration of existence is not high, so that expend time in the production assembly process of vehicle, is unfavorable for improving the problem of efficiency of assembling, and the utility model provides a kind of level of integration high, the simple fuel pump of compact structure.
A kind of fuel pump, comprise oil pump body, oil outlet tube, be supported in the blind flange of oil pump body, be arranged at pump core in the oil pump body and the charcoal canister that is arranged at blind flange towards oil pump body one side, described pump core has first oiler and first oil outlet, fuel oil enters and pumps from first oil outlet from first oiler, wherein, described fuel pump also comprises and is fixed on fuel filter in the oil pump body, described fuel filter has second oiler and second oil outlet, second oiler of described fuel filter is communicated with first oil outlet of pump core, and second oil outlet of fuel filter is communicated with oil outlet tube.
As further improvement, described fuel filter is the ring structure with through hole, described through hole has radially portion and radially smaller part greatly, described radially big portion and the stepped wall that radially forms between the smaller part, described pump core sealing and fixing is in the radially big portion of above-mentioned through hole, described second oiler is formed on the stepped wall, and first oil outlet sealing of described pump core is inserted and is connected in second oiler.
As further improvement, described fuel pump comprises the wire harness connector assembly, and the radially smaller part that described wire harness connector assembly passes through hole is connected with the pump core.
As further improvement, described fuel pump also comprises the pressure regulator valve that is arranged in the oil pump body, and described pressure regulator valve is connected with second oil outlet and the oil outlet tube of fuel filter.
As further improvement, described fuel pump also comprises fixed block, described fixed block is provided with at least two apertures, described fuel filter is provided with at least two bayonet locks that match with above-mentioned at least two apertures towards the surface of blind flange one side, and described fixed block installs and fixes with the cooperation of bayonet lock by aperture with fuel filter and is connected.
As further improvement, described fixed block is a fastener, the outer side wall of described oil pump body is provided with the back-off structure that matches with above-mentioned fastener, fuel filter installs and fixes by fixed block and cooperating of back-off structure and is arranged in the oil pump body, and described pump core is pressed on the oil pump body diapire by fixed block.
As further improvement, the diapire of described oil pump body is provided with oil suction inlet, and is provided with in the oil suction ingress and is used to filter the strainer that sucks the fuel oil in the fuel pump from fuel tank, and described strainer is arranged between pump core and the diapire.
As further improvement, described fuel pump also comprises the oil spilling cut-off valve, and described oil spilling cut-off valve is arranged on the side towards oil pump body of blind flange, and is communicated with charcoal canister.
As further improvement, described oil spilling cut-off valve comprises the valve body of an end opening and the valve gap that is used to seal above-mentioned opening, described valve gap is provided with the 3rd oiler and external communications, described valve body is provided with the 3rd oil outlet, described the 3rd oil outlet is formed on the blind flange, and described oil spilling cut-off valve is communicated with charcoal canister by the 3rd oil outlet.
As further improvement, described valve body and blind flange are one-body molded.
The fuel pump that the utility model provides, with charcoal canister, fuel filter is integrated on the fuel pump together, form an assemblying body, the level of integration height, compact structure is simple, and the oil spilling cut-off valve also is integrated on the fuel pump together, charcoal canister and oil spilling cut-off valve are installed on the blind flange of fuel pump, fuel filter is installed in the oil pump body of fuel pump, so more effectively be used in the space of fuel pump, make vehicle fuel pump structure of the present utility model compact more, reduced return line, reduced cost, also reduced simultaneously the volatilization of fuel vapor, saved the energy, reduced environmental pollution, and in the production assembly process of vehicle, only fuel pump assembling of the present utility model need be finished and just finish installation procedure basically oil-fired system, and need not again spended time and manpower is installed above-mentioned parts, for example, need not again spended time and manpower fuel oil oil purifier in the oil feed line is installed, also need not again spended time and manpower and on fuel tank, also the oil spilling cut-off valve that a structure is installed need be set in addition, help saving time to improve efficiency of assembling, reduced cost.
Description of drawings
Fig. 1 to Fig. 3 is the overall structure schematic representation of a kind of mode of execution of a kind of fuel pump of the present utility model;
Fig. 4 is the oil pump body sectional structure schematic representation partly of a kind of mode of execution of a kind of fuel pump of the present utility model;
Fig. 5 is the sectional structure schematic representation of the oil spilling cut-off valve part on a kind of blind flange of mode of execution of a kind of fuel pump of the present utility model;
Fig. 6 is the part cross-sectional schematic of through-hole structure of fuel filter of a kind of mode of execution of a kind of fuel pump of the present utility model.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figures 1 to 4, a kind of fuel pump of the present utility model, comprise oil pump body 1, oil outlet tube 13, be supported in blind flange 2 on the oil pump body 1 by guide rod 14, be arranged at pump core 4 in the oil pump body 1 and the charcoal canister 5 that is arranged at blind flange 2 towards oil pump body 1 one sides, described pump core 4 has first oiler (not showing among the figure) and first oil outlet 40, fuel oil enters and pumps from first oil outlet 40 from first oiler, described fuel pump also comprises and is fixed on fuel filter 6 in the oil pump body 1, described fuel filter 6 has second oiler 60 and second oil outlet 61, second oiler 60 of described fuel filter 6 is communicated with first oil outlet 40 of pump core 4, second oil outlet 61 of fuel filter 6 is communicated with oil outlet tube 13, and the fuel oil that pumps from first oil outlet 40 enters the oil outlet tube 13 after fuel filter 6 filters.Described blind flange 2 is provided with oil pump oil outlet 20, described oil outlet tube 13 links to each other with this oil pump oil outlet 20 with the other end that fuel filter 6 second oil outlets 61 are communicated with, and a side of the away from active charcoal jar 5 of described blind flange 2 also is provided with charcoal canister ventilating hole 50 and charcoal canister desorption mouth 51.Described fuel pump also comprises the pressure regulator valve 7 that is arranged in the oil pump body 1, and described pressure regulator valve 7 is connected with second oil outlet 61 and the oil outlet tube 13 of fuel filter 6, so, and by directly oil return from oil outlet tube 13 of pressure regulator valve 7.
As a kind of mode of execution, see also Fig. 4 and Fig. 6, in the present embodiment, described fuel filter 6 is for having the ring structure of through hole, described through hole has radially portion 62 and radially smaller part 63 greatly, described radially big portion 62 and radially be formed with stepped wall 64 between the smaller part 63, described pump core 4 sealing and fixing are in the radially big portion 62 of above-mentioned through hole, described second oiler 60 is formed on the stepped wall 64, and first oil outlet, 40 sealings of described pump core 4 are inserted and are connected in second oiler 60.Described fuel pump comprises wire harness connector assembly 8, and the radially smaller part 63 that described wire harness connector assembly 8 passes through hole is connected with pump core 4.Certainly, fuel filter 6 can also be other shape, and convenient the installation gets final product, and so structural design is more compact in the present embodiment, can save the space of oil pump body 1 widely.The inside concrete structure of described fuel filter 6 and working principle are known in those skilled in the art, just no longer describe at this.
Described fuel pump also comprises fixed block 9, described fixed block 9 is provided with at least two apertures 90, described fuel filter 6 is provided with at least two bayonet locks 91 that match with above-mentioned at least two apertures 90 towards the surface of blind flange 2 one sides, described fixed block 9 installs and fixes with the cooperation of bayonet lock 91 by aperture 90 with fuel filter 6 and is connected.Described bayonet lock 91 has the tension force that expands outwardly, and after 90s when the described aperture of bayonet lock 91 insertions, bayonet lock 91 expands outwardly, and fuel filter 6 is firmly fixed be connected on the fixed block 9.In the present embodiment, described aperture 90 and cooperate the bayonet lock of installing 91 to be two with aperture 90.Certainly, above-mentioned bayonet lock 91 can also adopt other fixedly connected mode commonly used to replace, and for example, adopts bolt connecting mode to replace, to pass aperture after 90s when bolt, and tightening nuts can make fuel filter 6 firm being fixedly connected on the fixed block 9 equally.
As a kind of mode of execution, in the present embodiment, described fixed block 9 is a fastener 9, be provided with snap-in structure 92 at the two ends of fastener 9, and the outer side wall of described oil pump body 1 is provided with the back-off structure 10 that matches with the snap-in structure 92 of above-mentioned fastener 9, and fuel filter 6 installs and fixes by fixed block 9 and cooperating of back-off structure 10 and is arranged in the oil pump body 1.Certainly, described fixed block 9 can adopt other Placement commonly used to be fixed on the oil pump body equally, as, by bolt fixed block is fixed on the oil pump body 1.Because described pump core 4 is fixedlyed connected with fuel filter 6, when fuel filter 6 is fixed in the oil pump body 1 by fixed block 9, described pump core 4 also has been pressed on oil pump body 1 diapire by fixed block 9, so just can avoid fuel filter 6 and pump core 4 to produce shaking phenomenon in the running process of vehicle.
The diapire of described oil pump body 1 is provided with oil suction inlet 11, and is provided with and is used to filter the strainer 12 that sucks the fuel oil in the fuel pump from fuel tank at oil suction 11 places that enter the mouth, and described strainer 12 is arranged between pump core 4 and the diapire.
As a kind of mode of execution, see also Fig. 5, described fuel pump also comprises oil spilling cut-off valve 3, described oil spilling cut-off valve 3 is arranged on the side towards oil pump body 1 of blind flange 2, and is communicated with charcoal canister 5.Described oil spilling cut-off valve 3 comprises the valve body 30 of an end opening and the valve gap 31 that is used to seal above-mentioned opening, described valve gap 31 is provided with the 3rd oiler 32 and is communicated with the fuel tank inner space, described valve body 30 is provided with gas channel 33, described gas channel 33 is formed on the blind flange 2, described oil spilling cut-off valve 3 is communicated with charcoal canister 5 by this gas channel 33, and fuel vapor enters and enters charcoal canister 5 and adsorbed by charcoal canister 5 by this gas channel 33 from the 3rd oiler 32.In the present embodiment, described valve body 30 is one-body molded with blind flange 2.The structure of described oil spilling cut-off valve 3 and working principle are conventionally known to one of skill in the art, so be not described in detail.
The vehicle fuel pump structure that the utility model provides is integrated in charcoal canister 5, fuel filter 6 and oil spilling cut-off valve 3 on the fuel pump together, forms an assemblying body, the level of integration height.Charcoal canister 5 and oil spilling cut-off valve 3 are installed on the blind flange 2 of fuel pump, fuel filter 6 is installed in the oil pump body 1 of fuel pump, effectively utilize space in fuel pump, make vehicle fuel pump structure of the present utility model compact more, reduced return line, reduced cost, also reduced simultaneously the volatilization of fuel vapor, saved the energy, less environmental pollution, and in the production assembly process of vehicle, only fuel pump assembling of the present utility model need be finished and just finish installation procedure basically oil-fired system, and need not again spended time and manpower is installed above-mentioned parts, for example, need not again spended time and manpower fuel oil oil purifier in the oil feed line is installed, also need not again spended time and manpower and on fuel tank, also the oil spilling cut-off valve that a structure is installed need be set in addition, help saving time to improve efficiency of assembling, reduced cost.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the utility model, the any modification or partial replacement that does not break away from spirit and scope of the present utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. fuel pump, comprise oil pump body, oil outlet tube, be supported in the blind flange of oil pump body, be arranged at pump core in the oil pump body and the charcoal canister that is arranged at blind flange towards oil pump body one side, described pump core has first oiler and first oil outlet, fuel oil enters and pumps from first oil outlet from first oiler, it is characterized in that, described fuel pump also comprises and is fixed on fuel filter in the oil pump body, described fuel filter has second oiler and second oil outlet, second oiler of described fuel filter is communicated with first oil outlet of pump core, and second oil outlet of fuel filter is communicated with oil outlet tube.
2. fuel pump as claimed in claim 1, it is characterized in that: described fuel filter is the ring structure with through hole, described through hole has radially portion and radially smaller part greatly, described radially big portion and radially be formed with stepped wall between the smaller part, described pump core sealing and fixing is in the radially big portion of above-mentioned through hole, described second oiler is formed on the stepped wall, and first oil outlet sealing of described pump core is inserted and is connected in second oiler.
3. fuel pump as claimed in claim 2 is characterized in that: described fuel pump comprises the wire harness connector assembly, and the radially smaller part that described wire harness connector assembly passes through hole is connected with the pump core.
4. fuel pump as claimed in claim 1 is characterized in that: described fuel pump also comprises the pressure regulator valve that is arranged in the oil pump body, and described pressure regulator valve is connected with second oil outlet and the oil outlet tube of fuel filter.
5. fuel pump as claimed in claim 1, it is characterized in that: described fuel pump also comprises fixed block, described fixed block is provided with at least two apertures, described fuel filter is provided with at least two bayonet locks that match with above-mentioned at least two apertures towards the surface of blind flange one side, and described fixed block installs and fixes with the cooperation of bayonet lock by aperture with fuel filter and is connected.
6. fuel pump as claimed in claim 5, it is characterized in that: described fixed block is a fastener, the outer side wall of described oil pump body is provided with the back-off structure that matches with above-mentioned fastener, fuel filter installs and fixes by fixed block and cooperating of back-off structure and is arranged in the oil pump body, and described pump core is pressed on the oil pump body diapire by fixed block.
7. fuel pump as claimed in claim 1, it is characterized in that: the diapire of described oil pump body is provided with the oil suction inlet, and be provided with in the oil suction ingress and be used to filter the strainer that sucks the fuel oil in the fuel pump from fuel tank, described strainer is arranged between pump core and the diapire.
8. fuel pump as claimed in claim 1 is characterized in that: described fuel pump also comprises the oil spilling cut-off valve, and described oil spilling cut-off valve is arranged on the side towards oil pump body of blind flange, and is communicated with charcoal canister.
9. fuel pump as claimed in claim 8, it is characterized in that: described oil spilling cut-off valve comprises the valve body of an end opening and the valve gap that is used to seal above-mentioned opening, described valve gap is provided with the 3rd oiler and is communicated with the fuel tank inner space, described valve body is provided with the 3rd oil outlet, described the 3rd oil outlet is formed on the blind flange, and described oil spilling cut-off valve is communicated with charcoal canister by the 3rd oil outlet.
10. fuel pump as claimed in claim 9 is characterized in that: described valve body and blind flange are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202460350U CN201778932U (en) | 2010-06-28 | 2010-06-28 | Fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202460350U CN201778932U (en) | 2010-06-28 | 2010-06-28 | Fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201778932U true CN201778932U (en) | 2011-03-30 |
Family
ID=43792145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202460350U Expired - Lifetime CN201778932U (en) | 2010-06-28 | 2010-06-28 | Fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201778932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649840A (en) * | 2015-12-30 | 2016-06-08 | 浙江锦佳汽车零部件有限公司 | Fuel oil pump assembly |
| CN106662052A (en) * | 2014-08-26 | 2017-05-10 | 爱三工业株式会社 | Fuel supply device |
-
2010
- 2010-06-28 CN CN2010202460350U patent/CN201778932U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106662052A (en) * | 2014-08-26 | 2017-05-10 | 爱三工业株式会社 | Fuel supply device |
| CN106662052B (en) * | 2014-08-26 | 2019-04-12 | 爱三工业株式会社 | Fuel supply system |
| CN105649840A (en) * | 2015-12-30 | 2016-06-08 | 浙江锦佳汽车零部件有限公司 | Fuel oil pump assembly |
| CN105649840B (en) * | 2015-12-30 | 2018-03-06 | 浙江锦佳汽车零部件有限公司 | Fuel oil pump assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110330 |
|
| CX01 | Expiry of patent term |