CN207583638U - A kind of electric fuel punp - Google Patents
A kind of electric fuel punp Download PDFInfo
- Publication number
- CN207583638U CN207583638U CN201721720283.2U CN201721720283U CN207583638U CN 207583638 U CN207583638 U CN 207583638U CN 201721720283 U CN201721720283 U CN 201721720283U CN 207583638 U CN207583638 U CN 207583638U
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- China
- Prior art keywords
- oil
- injection
- sprue
- electric fuel
- fuel
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Abstract
The utility model discloses a kind of electric fuel punps, and including pump cover and the pump housing, pump cover is mounted on the pump housing, and sprue and injection runner are offered on pump cover and the pump housing；The injection oil inlet of injection runner is connected with fuel tank, and the fuel oil in fuel tank can enter injection runner by injection oil inlet, and can be transported in the assembly shell of electric fuel punp by the injection oil outlet of injection runner；The main oil inlet of sprue is connected with the fuel oil in assembly shell, and the fuel oil in assembly shell can enter sprue by main oil inlet, and the main oil outlet for passing through sprue is ejected by motor；When electric fuel oil pump work, the fuel oil that injection oil outlet is discharged in assembly shell is more than the fuel oil that main oil inlet is sucked out out of assembly shell.Electric fuel punp provided by the utility model, eliminates the ejection structure of outfit, and the injection runner that oil pump carries can complete the full oil requirement of housing, simplify the structure of electric fuel punp, reduce cost.
Description
Technical field
The utility model is related to oil pump device arts more particularly to a kind of electric fuel punps.
Background technology
Existing electric fuel punp is in use, it is generally necessary to be equipped with the structure of a set of injection, to realize electric fuel pump assembly
Fluid in housing keeps certain height, and ejection structure includes fuel-displaced injection and oil return injection (oil return injection has oil return pipe).
It is complicated, it is of high cost.
Therefore, how to reduce the cost of electric fuel punp and structure complexity is those skilled in the art's skill urgently to be resolved hurrily
Art problem.
Utility model content
The purpose of this utility model is to provide a kind of electric fuel punp, to reduce the cost of electric fuel punp and complicated
Degree.
To achieve these goals, the utility model provides following scheme：
A kind of electric fuel punp, including pump cover and the pump housing, the pump cover is mounted on the pump housing, the pump cover and described
Sprue and injection runner are offered on the pump housing；
The injection oil inlet of the injection runner is connected with fuel tank, the fuel oil in the fuel tank can by the injection into
Hydraulic fluid port enters the injection runner, and can be transported to the electric fuel punp by the injection oil outlet of the injection runner
In assembly shell；
The main oil inlet of the sprue is connected with the fuel oil in the assembly shell, the fuel oil energy in the assembly shell
The sprue is enough entered by the main oil inlet, and the main oil outlet for passing through the sprue is ejected by motor；
When the electric fuel oil pump work, the injection oil outlet be discharged to fuel oil in the assembly shell be more than it is described
The fuel oil that main oil inlet is sucked out out of described assembly shell.
Preferably, in above-mentioned electric fuel punp, the injection runner and the sprue are arced flow path.
Preferably, in above-mentioned electric fuel punp, impeller is further included；
The impeller is mounted between the pump housing and the pump cover.
Preferably, in above-mentioned electric fuel punp, the impeller includes injection flow passage impeller and sprue impeller；
The injection flow passage impeller is tablet impeller；
The sprue impeller includes two plates in predetermined angle.
Preferably, in above-mentioned electric fuel punp, the predetermined angle that the inside of two plates is in is 117 °, two institutes
The predetermined angle that the outside for stating plate is in is 123 °.
Preferably, in above-mentioned electric fuel punp, gas vent is further opened on the sprue.
It can be seen from the above technical scheme that electric fuel punp provided by the utility model, when electric fuel oil pump work
When, fuel oil is drawn into injection runner, then be discharged to the total of electric fuel punp from injection oil outlet by injection oil inlet out of fuel tank
In shelling body, then, oil inlet oil suction from assembly shell of sprue, sprue after being overpressurized from main oil outlet stream
Go out, go out by motor part fill-before-fire.The fuel oil that injection oil outlet is discharged in assembly shell is more than main oil inlet from total shelling
The fuel oil being sucked out in vivo ensures that the fuel oil in assembly shell is always maintained at full oil.Electric fuel punp provided by the utility model, takes
Disappeared the ejection structure being equipped with, and the injection runner that oil pump carries can complete the full oil requirement of housing, simplify electric fuel punp
Structure, reduce cost.In addition, electric fuel punp makes the weight of electric fuel punp using dual channel (sprue and injection runner)
Amount mitigates significantly.Ripple interface tube is used relative to traditional jet pump so that electric fuel punp dismounts inconvenient maintenance, the application
In electric fuel punp injection without external other structures, dismount electric fuel punp, repair is more quick, convenient.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the main structure diagram of the pump cover of electric fuel punp provided by the utility model；
Fig. 2 is the main structure diagram of electric fuel punp provided by the utility model；
Fig. 3 is the schematic cross-sectional view of the pump cover of electric fuel punp provided by the utility model；
Fig. 4 is the main structure diagram of the injection flow passage impeller of electric fuel punp provided by the utility model；
Fig. 5 is the main structure diagram of the sprue impeller of electric fuel punp provided by the utility model；
Fig. 6 is the main structure diagram of the pump housing of electric fuel punp provided by the utility model；
Fig. 7 is the schematic cross-sectional view of the pump housing of electric fuel punp provided by the utility model.
Wherein, in Fig. 1-7：
Pump cover 1, the pump housing 2, sprue 3, injection runner 4, impeller 5, injection flow passage impeller 501, sprue impeller 502, row
Stomata 6, injection oil inlet 401, injection oil outlet 402, main oil inlet 301, main oil outlet 302.
Specific embodiment
In order to which those skilled in the art is made to be better understood from the technical solution of the utility model, below in conjunction with the accompanying drawings and have
The utility model is described in further detail for body embodiment.
Embodiment one
- 7 are please referred to Fig.1, the utility model discloses a kind of electric fuel punp, wherein, electric fuel punp includes 1 He of pump cover
The pump housing 2, pump cover 1 are mounted on the pump housing 2, and sprue 3 and injection runner 4 are offered on pump cover 1 and the pump housing 2.
The injection oil inlet 401 of injection runner 4 is connected with fuel tank, and the fuel oil in fuel tank can pass through injection oil inlet 401
Into injection runner 4, and can be transported in the assembly shell of electric fuel punp by the injection oil outlet 402 of injection runner 4.
The main oil inlet 301 of sprue 3 is connected with the fuel oil in assembly shell, and the fuel oil in assembly shell can pass through master
Oil inlet 301 enters sprue 3, and the main oil outlet 302 for passing through sprue 3 is ejected by motor.
When electric fuel oil pump work, injection oil outlet 402 be discharged to fuel oil in assembly shell be more than main oil inlet 301 from
The fuel oil being sucked out in assembly shell.
Electric fuel punp provided by the utility model, when electric fuel oil pump work, injection oil inlet 401 will out of fuel tank
Fuel oil is drawn into injection runner 4, then is discharged in the assembly shell of electric fuel punp from injection oil outlet 402, then, sprue
The oil suction from assembly shell of 3 oil inlet is flowed out, by motor part again in sprue 3 after being overpressurized from main oil outlet 302
It ejects.The fuel oil that injection oil outlet 402 is discharged in assembly shell is more than the combustion that main oil inlet 301 is sucked out out of assembly shell
Oil ensures that the fuel oil in assembly shell is always maintained at full oil.Electric fuel punp provided by the utility model eliminates drawing for outfit
Structure is penetrated, the injection runner 4 that oil pump carries can complete the full oil requirement of housing, simplify the structure of electric fuel punp, reduce
Cost.In addition, electric fuel punp makes the weight of electric fuel punp subtract significantly using dual channel (sprue 3 and injection runner 4)
Gently, the rotary inertia of pump is reduced, the startup time of pump is reduced, while decrease the startup time of engine.Relative to biography
The jet pump of system uses ripple interface tube so that electric fuel punp dismounts inconvenient maintenance, the electric fuel punp injection in the application
Without external other structures, dismount electric fuel punp, repair is more quick, convenient.
Embodiment two
It is electronic in the electric fuel punp and embodiment one in the present embodiment in the utility model provides another embodiment
The structure of fuel pump is similar, and something in common is just repeated no more, only introduces difference.
In the present embodiment, it specifically discloses injection runner 4 and sprue 3 is arced flow path, and injection runner 4 and main
The 3 coaxial heart of runner, two runners do not connect, and performance interference does not occur at work, works independently, is equivalent to two pumps.
Further, the utility model discloses electric fuel punps to further include impeller 5, and impeller 5 is mounted on the pump housing 2 and pump cover
Between 1.
Impeller 5 includes injection flow passage impeller 501 and sprue impeller 502, and 5 structure of impeller that two runners are matched is different, and two
The difference of flowpath pressure, the flow of drive is also different, and 4 flow of injection runner is more than 3 flow of sprue, while accomplishes a pump two
With：Main oil transportation runner plays common oil transportation, and injection oil transportation runner plays ejector action.
Specifically, it is tablet impeller 5 the utility model discloses injection flow passage impeller 501, as shown in Figure 4.Sprue 3 wraps
Two plates in predetermined angle are included, as shown in Figure 5.
Further, the predetermined angle for being in the utility model discloses the inside of two plates is 117 °, two plates it is outer
The predetermined angle that side is in is 123 °.
In order to reduce the air in sprue 3, the utility model discloses be further opened with gas vent 6 on sprue 3.
Electric fuel punp provided by the utility model has the following advantages that：
(1) electric fuel punp provided by the utility model eliminates the ejection structure of outfit, the injection runner that oil pump carries
4 can complete the full oil requirement of housing, simplify the structure of electric fuel punp, reduce cost；
(2) electric fuel punp injection provided by the utility model dismounts electric fuel punp, ties up without external other structures
It repaiies more fast, it is convenient；
(3) gas vent 6 is further opened on sprue 3, convenient in time discharging the air in sprue 3.
" first ", " second " in the utility model etc. are to be distinguished in description, without others particular meaning.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications of these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide range consistent with novel features.
Claims (6)
1. a kind of electric fuel punp, including pump cover (1) and the pump housing (2), the pump cover (1) is special on the pump housing (2)
Sign is, sprue (3) and injection runner (4) are offered on the pump cover (1) and the pump housing (2)；
The injection oil inlet (401) of the injection runner (4) is connected with fuel tank, and the fuel oil in the fuel tank can be drawn by described
It injects hydraulic fluid port (401) and enters the injection runner (4), and can be defeated by the injection oil outlet (402) of the injection runner (4)
It is sent in the assembly shell of the electric fuel punp；
The main oil inlet (301) of the sprue (3) is connected with the fuel oil in the assembly shell, the combustion in the assembly shell
Oil can enter the sprue (3), and pass through the main oil outlet of the sprue (3) by the main oil inlet (301)
(302) it is ejected by motor；
When the electric fuel oil pump work, the fuel oil that the injection oil outlet (402) is discharged in the assembly shell is more than institute
State the fuel oil that main oil inlet (301) is sucked out out of described assembly shell.
2. electric fuel punp according to claim 1, which is characterized in that the injection runner (4) and the sprue (3)
It is arced flow path.
3. electric fuel punp according to claim 1, which is characterized in that further include impeller (5)；
The impeller (5) is between the pump housing (2) and the pump cover (1).
4. electric fuel punp according to claim 3, which is characterized in that the impeller (5) includes injection flow passage impeller
(501) and sprue impeller (502)；
The injection flow passage impeller (501) is tablet impeller；
The sprue impeller (502) including be in predetermined angle two plates.
5. electric fuel punp according to claim 4, which is characterized in that the predetermined angle that the inside of two plates is in
It it is 117 °, the predetermined angle that the outside of two plates is in is 123 °.
6. according to the electric fuel punp described in any one in claim 1-5, which is characterized in that on the sprue (3) also
Offer gas vent (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720283.2U CN207583638U (en) | 2017-12-12 | 2017-12-12 | A kind of electric fuel punp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721720283.2U CN207583638U (en) | 2017-12-12 | 2017-12-12 | A kind of electric fuel punp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207583638U true CN207583638U (en) | 2018-07-06 |
Family
ID=62736903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721720283.2U Active CN207583638U (en) | 2017-12-12 | 2017-12-12 | A kind of electric fuel punp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207583638U (en) |
-
2017
- 2017-12-12 CN CN201721720283.2U patent/CN207583638U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 325000 Second Floor, No. 368 Binhai Five Road, Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: Hui run Electric Co., Ltd. Address before: 325011 Second Floor, No. 368 Binhai Five Road, Binhai Park, Wenzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: ZHEJIANG HUIRUN ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |