CN210919290U - Electronic fuel pump - Google Patents
Electronic fuel pump Download PDFInfo
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- CN210919290U CN210919290U CN201922034252.7U CN201922034252U CN210919290U CN 210919290 U CN210919290 U CN 210919290U CN 201922034252 U CN201922034252 U CN 201922034252U CN 210919290 U CN210919290 U CN 210919290U
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- brushless motor
- filter screen
- roller pump
- motor roller
- base
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Abstract
The utility model provides an electronic fuel pump, it includes the base, is equipped with cylindrical installation cavity in the base, base lateral wall lower extreme and upper end are equipped with oil inlet and the oil-out that is used for with outside tube coupling respectively, and this oil inlet and oil-out all with installation cavity UNICOM, still including the brushless motor roller pump assembly of grafting in the installation cavity, the filtering component has been cup jointed on the brushless motor roller pump assembly. The utility model discloses an electronic fuel pump is through setting up brushless motor roller pump assembly in the installation cavity to cup joint filter assembly on brushless motor roller pump outer peripheral face, be provided with a plurality of filter screens because of on the filter screen seat outer peripheral face, thereby can increase the fuel filter area, improve the life cycle of filter screen, solved among the prior art frequently change the filter screen and the cost that causes risees, and the problem that work efficiency is low.
Description
Technical Field
The utility model relates to an engine power system technical field especially relates to an electron fuel pump.
Background
When a vehicle is placed for a long time or the vehicle is maintained, a fuel pipeline inevitably enters air, rail pressure is unstable, fuel supply is not smooth, and therefore an engine is difficult to start or even cannot be started. In addition, the problem that the starting of the engine is difficult is aggravated by the influence of the low-temperature environment and the uneven quality of domestic fuel. The addition of an electronically assisted fuel pump between the high pressure common rail system and the coarse filter is the choice of most diesel engine manufacturers today.
However, the existing electronic auxiliary fuel pump is provided with a plurality of internal filter screens at the oil outlet, and most of the internal filter screens are single-layer thin sheets, and after fuel enters the fuel pump through suction, impurities after filtration can be remained on the filter screens. Because of current filter screen area is less, impurity can deposit very fast and lead to blockking up on the filter screen, leads to the fuel to pump the discharge from the oil-out and reduce, then can thoroughly not have the oil pump when serious, so need frequently change the filter screen, extravagant cost, work efficiency then greatly reduced simultaneously.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an electron fuel pump is used for solving among the prior art filter screen area less, and impurity blocks up the filter screen easily, needs frequently to change the filter screen, extravagant cost, problem that work efficiency is low.
The technical scheme of the utility model is realized like this: the utility model provides an electronic fuel pump, it includes the base, is equipped with the drum type installation cavity in the base, base lateral wall lower extreme and upper end are equipped with oil inlet and the oil-out that is used for with outside tube coupling respectively, and this oil inlet and oil-out all with installation cavity UNICOM, still including the brushless motor roller pump assembly of grafting in the installation cavity, the filtering component has been cup jointed on the brushless motor roller pump assembly.
On the basis of the above technical scheme, preferably, the brushless motor roller pump assembly comprises a brushless motor roller pump and a control seat connected with the brushless motor roller pump, wherein the brushless motor roller pump is inserted in the installation cavity and extends to the bottom of the installation cavity, and the lower end surface of the control seat abuts against the opening end of the installation cavity.
On the basis of above technical scheme, it is preferred, filtering component is including being tube-shape setting and both ends open-ended filter screen seat, the filter screen seat cup joints tip under the brushless motor roller pump, is provided with a plurality of filter screen installing ports on the filter screen seat outer peripheral face, be provided with the filter screen on the filter screen installing port.
On the basis of the above technical solution, preferably, the upper end of the brushless motor roller pump is sleeved with a mounting bracket, and the upper end surface of the mounting bracket is provided with the brushless motor roller pump through at least two O-shaped sealing rings.
On the basis of the technical scheme, preferably, a first square sealing ring is arranged between the upper end face of the filter screen seat and the lower end face of the mounting support, the first square sealing ring is sleeved on the brushless motor roller pump, and a second square sealing ring which is abutted against the bottom face of the mounting cavity is arranged on the lower end face of the filter screen seat.
On the basis of the technical scheme, preferably, the oil inlet and the base are horizontally arranged, the position of the oil inlet on the base is lower than the upper end face of the filter screen seat, the oil outlet and the base are horizontally arranged, and the position of the oil outlet on the base is higher than the lower end face of the mounting support.
On the basis of the technical scheme, preferably, the brushless motor roller pump assembly further comprises a control panel and a power supply wire harness, the control panel is arranged in the control seat and is electrically connected with the brushless motor roller pump, one end of the power supply wire harness is connected with the control panel, and the other end of the power supply wire harness extends out of the control seat.
On the basis of the technical scheme, the device preferably further comprises a fixed end cover, the fixed end cover covers the top end face of the control seat, and the fixed end cover, the control seat and the base are fixedly connected through bolts.
The utility model discloses following beneficial effect has for prior art:
the utility model discloses an electronic fuel pump is through setting up brushless motor roller pump assembly in the installation cavity to cup joint filtering component on the brushless motor roller pump outer peripheral face, with the fuel from the oil inlet pressurization suction installation cavity in the normal working process of brushless motor roller pump assembly, the filtration through filtering component can obtain clean fuel, pumps through the oil-out simultaneously and supply with the engine, thereby guarantees the smooth start-up of engine. Because of being provided with a plurality of filter screens on the filter screen seat outer peripheral face to can increase the filter area of fuel, improve the life cycle of filter screen, solve among the prior art frequently change the filter screen and the cost that causes risees, and work efficiency hangs down the problem.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of an electronic fuel pump disclosed in the present invention;
fig. 2 is an exploded view of the electronic fuel pump of the present disclosure;
FIG. 3 is a plan cross-sectional view of an electronic fuel pump as disclosed in the present invention;
fig. 4 is a schematic structural diagram of the filter assembly disclosed in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in figure 1, combine figures 2 and 3, the utility model discloses an electron fuel pump, including base 1, be equipped with cylindrical installation cavity 2 in the base 1, installation cavity 2 opening is up. The lower end and the upper end of the side wall of the base 1 are respectively provided with an oil inlet 11 and an oil outlet 12 which are used for being connected with an external pipeline, the oil inlet 11 and the oil outlet 12 are both communicated with the mounting cavity 2, the oil inlet 11 is used for enabling external fuel oil to enter the mounting cavity 2, and the oil outlet 12 is used for enabling the fuel oil to be supplied to an engine. The brushless motor roller pump assembly is characterized by further comprising a brushless motor roller pump assembly 3 inserted in the installation cavity 2, and the brushless motor roller pump assembly 3 is sleeved with a filtering component 4. Fuel enters the installation cavity 2 from the oil inlet 11, the filter component 4 filters the fuel, the filtered fuel is sucked into the brushless motor roller pump assembly 3, and in the normal working process of the brushless motor roller pump assembly 3, the fuel is pressurized and is pumped out through the oil outlet 12 to smoothly start an engine.
Specifically, brushless motor roller pump assembly 3 includes brushless motor roller pump 31 and the control seat 32 that is connected with brushless motor roller pump 31, and wherein brushless motor roller pump 31 pegs graft in installation cavity 2 and extend to installation cavity 2 bottom, and the lower terminal surface of control seat 32 supports with the open end counterbalance of installation cavity 2. By adopting the technical scheme, the lower end face of the control seat 32 is propped against the opening end of the mounting cavity 2, so that the brushless motor roller pump 31 can be fixed in the mounting cavity 2, and meanwhile, the brushless motor roller pump 31 can be pulled out from the mounting cavity 2 through the control seat 32, and the brushless motor roller pump is convenient to mount, maintain and replace.
Referring to fig. 4, in the present embodiment, the filter assembly 4 includes a cylindrical filter base 41 with two open ends, the filter base 41 is sleeved on the lower end of the brushless motor roller pump 31, a plurality of filter mounting openings 42 are provided on the outer circumferential surface of the filter base 41, and a filter screen 43 is provided on the filter mounting openings 42. Adopt above-mentioned technical scheme, after fuel entered into installation cavity 2 through oil inlet 11, at first carried out impurity filtering through filter screen 43 on the filter screen seat 41 outer peripheral face, because of filter screen 43 sets up on the filter screen installing port 42 of filter screen seat 41 periphery, consequently the fuel can be carried out impurity filtering by filter screen 43 of great area. For the thin slice filter screen that sets up at the oil-out among the prior art, the utility model discloses a filter screen 43 on the filter screen seat 41 even filter screen on certain filter screen installing port 42 is blockked up, and the fuel still can filter through filter screen 43 on other filter screen installing ports 42. The filter screen 43 does not need to be replaced in a short time, and the action efficiency is greatly improved. Therefore, adopt the utility model relates to a filter screen 43 subassembly 4 can increase the fuel filter area, improves filter screen 43's life cycle, has solved frequently to change filter screen 43 among the prior art simultaneously and the cost that causes risees to and the problem that work efficiency is low.
In this embodiment, the mounting bracket 5 is fitted to the upper end portion of the brushless motor roller pump 31, a plurality of through holes 51 are provided in the outer peripheral ring of the mounting bracket 5, oil discharged from the oil discharge port of the upper end portion of the brushless motor roller pump 31 can be discharged through the through holes 51, and the brushless motor roller pump 31 is mounted to the upper end surface of the mounting bracket 5 through at least two O-rings 6. By adopting the technical scheme, the plurality of O-shaped sealing rings 6 which are mutually abutted are arranged between the upper end surface of the mounting bracket 5 and the brushless motor roller pump 31, filtered fuel oil cannot flow back to the lower end part of the mounting cavity 2 after flowing out through an oil outlet of the brushless motor roller pump 31, and the fuel oil can only be positioned in a cavity surrounded by the mounting bracket 5 and the mounting cavity 2, so that the functions of sealing raw fuel oil and clean oil are achieved.
A first square sealing ring 7 is arranged between the upper end face of the filter screen seat 41 and the lower end face of the mounting bracket 5, the first square sealing ring 7 is sleeved on the brushless motor roller pump 31, and a second square sealing ring 8 which is propped against the bottom face of the mounting cavity 2 is arranged on the lower end face of the filter screen seat 41. By adopting the technical scheme, the clean fuel oil flowing out of the mounting bracket 5 and the raw fuel oil outside the filter screen seat 41 can be prevented from mutually cross-polluting through the first square sealing ring 7, and the effect of preventing sealing is achieved. Through setting up second square seal 8 to make filter screen seat 41 lower extreme face support with the installation cavity 2 bottom surface through second square seal 8, can obstruct the mutual cross contamination of inhaled clean oil in the former fuel and the brushless motor roller pump 31 in the filter screen seat 41 outside, play the sealed effect of separation.
In this embodiment, the oil inlet 11 is horizontally disposed with the base 1, the position of the oil inlet 11 on the base 1 is lower than the upper end surface of the filter screen seat 41, the oil outlet 12 is horizontally disposed with the base 1, and the position of the oil outlet 12 on the base 1 is higher than the lower end surface of the mounting bracket 5. By adopting the technical scheme, the cavity enclosed by the filter screen seat 41 and the mounting cavity 2 is used for facilitating fuel oil to enter through the oil inlet 11, and the cavity enclosed by the mounting bracket 5 and the mounting cavity 2 is used for facilitating filtered fuel oil to be discharged through the oil outlet 12. The oil inlet and the oil outlet are separated from each other, and no mutual crossing is generated.
In this embodiment, the brushless motor roller pump assembly 3 further includes a control board 33 and a power harness 34, the control board 33 is disposed in the control seat 32, the control board 33 is electrically connected to the brushless motor roller pump 31, and one end of the power harness 34 is connected to the control board 33, and the other end thereof extends out of the control seat 32. By adopting the technical scheme, the control board 33 drives the brushless motor roller pump 31 to work after being powered on through the power supply wire harness 34.
The top end face of the control seat 32 is also covered with a fixed end cover 35, and the fixed end cover 35, the control seat 32 and the base 1 are fixedly connected through bolts. The fixed end cover 35, the control seat 32 and the brushless motor roller pump 31 form the brushless motor roller pump assembly 3, and the brushless motor roller pump assembly 3 and the base 1 are connected in a detachable and washable mode through bolts.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an electronic fuel pump, its includes base (1), is equipped with cylinder type installation cavity (2) in base (1), base (1) lateral wall lower extreme and upper end are equipped with respectively and are used for oil inlet (11) and oil-out (12) with external piping connection, and this oil inlet (11) and oil-out (12) all with installation cavity (2) UNICOM, its characterized in that: the roller type brushless motor water heater is characterized by further comprising a roller pump assembly (3) of the brushless motor, wherein the roller pump assembly (3) of the brushless motor is inserted into the installation cavity (2), and the roller pump assembly (3) of the brushless motor is sleeved with a filtering component (4).
2. An electronic fuel pump as set forth in claim 1, wherein: the brushless motor roller pump assembly (3) comprises a brushless motor roller pump (31) and a control seat (32) connected with the brushless motor roller pump (31), wherein the brushless motor roller pump (31) is inserted into the installation cavity (2) and extends to the bottom of the installation cavity (2), and the lower end face of the control seat (32) is abutted to the opening end of the installation cavity (2).
3. An electronic fuel pump as set forth in claim 2, wherein: filter component (4) are including being tube-shape setting and both ends open-ended filter screen seat (41), end under brushless motor roller pump (31) is cup jointed in filter screen seat (41), is provided with a plurality of filter screen installing ports (42) on filter screen seat (41) outer peripheral face, be provided with filter screen (43) on filter screen installing port (42).
4. An electronic fuel pump as set forth in claim 3, wherein: the upper end of the brushless motor roller pump (31) is sleeved with a mounting bracket (5), and the upper end face of the mounting bracket (5) is provided with the brushless motor roller pump (31) through at least two O-shaped sealing rings (6).
5. An electronic fuel pump as set forth in claim 4, wherein: a first square sealing ring (7) is arranged between the upper end face of the filter screen seat (41) and the lower end face of the mounting support (5), the first square sealing ring (7) is sleeved on the brushless motor roller pump (31), and a second square sealing ring (8) which is abutted against the bottom face of the mounting cavity (2) is arranged on the lower end face of the filter screen seat (41).
6. An electronic fuel pump as set forth in claim 5, wherein: the oil inlet (11) is horizontally arranged with the base (1), the position of the oil inlet (11) on the base (1) is lower than the upper end face of the filter screen seat (41), the oil outlet (12) is horizontally arranged with the base (1), and the position of the oil outlet (12) on the base (1) is higher than the lower end face of the mounting support (5).
7. An electronic fuel pump as set forth in claim 2, wherein: brushless motor roller pump assembly (3) still includes control panel (33) and power pencil (34), control panel (33) set up in control seat (32), and this control panel (33) and brushless motor roller pump (31) electric connection, power pencil (34) one end is connected with control panel (33), and the other end stretches out control seat (32).
8. An electronic fuel pump as set forth in claim 2, wherein: the control device is characterized by further comprising a fixed end cover (35), wherein the fixed end cover (35) covers the top end face of the control seat (32), and the fixed end cover (35), the control seat (32) and the base (1) are fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034252.7U CN210919290U (en) | 2019-11-22 | 2019-11-22 | Electronic fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034252.7U CN210919290U (en) | 2019-11-22 | 2019-11-22 | Electronic fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919290U true CN210919290U (en) | 2020-07-03 |
Family
ID=71348576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922034252.7U Active CN210919290U (en) | 2019-11-22 | 2019-11-22 | Electronic fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919290U (en) |
-
2019
- 2019-11-22 CN CN201922034252.7U patent/CN210919290U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiong Hongbin Inventor after: Zhang Yuhang Inventor after: Luo Heng Inventor after: Xu Hao Inventor after: Yang Dengming Inventor after: Xu Zhiying Inventor after: Liu Bei Inventor before: Xiong Hongbin Inventor before: Zhang Yuhang Inventor before: Luo Heng Inventor before: Xu Hao Inventor before: Yang Dengming Inventor before: Xu Zhiying Inventor before: Liu Bei |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An electronic fuel pump Effective date of registration: 20230303 Granted publication date: 20200703 Pledgee: Bank of China Limited Xiangyang Branch Pledgor: HUBEI SAIENSI SCIENCE & TECHNOLOGY CO.,LTD. Registration number: Y2023980033919 |