CN113482819A - Fuel pump assembly with near-far end injection - Google Patents
Fuel pump assembly with near-far end injection Download PDFInfo
- Publication number
- CN113482819A CN113482819A CN202110950469.1A CN202110950469A CN113482819A CN 113482819 A CN113482819 A CN 113482819A CN 202110950469 A CN202110950469 A CN 202110950469A CN 113482819 A CN113482819 A CN 113482819A
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- Prior art keywords
- oil
- injection
- far
- assembly
- joint
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- 238000002347 injection Methods 0.000 title claims abstract description 148
- 239000007924 injection Substances 0.000 title claims abstract description 148
- 239000000446 fuel Substances 0.000 title claims abstract description 79
- 239000002828 fuel tank Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000306 component Substances 0.000 abstract description 17
- 239000008358 core component Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 143
- 239000000295 fuel oil Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F10/00—Siphons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
Abstract
The invention discloses a fuel pump assembly with near-far end injection, which comprises an oil pool and a fuel pump support, wherein the lower end of the fuel pump support is positioned in the oil pool, the upper end of the fuel pump support is clamped at the upper end of the oil pool, a filter mounting seat for mounting a filter component is arranged on one side of the fuel pump support, a pump core mounting seat for mounting the pump core component is arranged on the other side of the fuel pump support downwards, an oil filter component is arranged at the lower end of the pump core component, the near-far end injection component is arranged at the lower end in the oil pool, a main oil outlet joint of the pump core component is connected with an oil inlet pipe of the filter component, a regulator component is arranged at the lower end of the filter component, an oil pipe joint is arranged at the upper end of the filter component, and the oil pipe joint upwards penetrates through the fuel pump support. The fuel pump assembly is internally provided with a near-far end injection component, so that near-far end injection can be simultaneously carried out.
Description
Technical Field
The invention belongs to the technical field of fuel pumps of automobiles and motorcycles, and particularly relates to a fuel pump assembly with near-far end injection.
Background
The fuel pump assembly is internally provided with an injection assembly generally, the injection assembly comprises a near-end injection component and a far-end injection component, the near-end and the far-end are two groups of separated oil paths, and the near-end injection or the far-end injection is realized by adopting different parts.
Disclosure of Invention
The invention provides a fuel pump assembly with near-far end injection, which can realize near-far end injection simultaneously, ensure sufficient fuel in a fuel tank, and has fewer added parts and small occupied space.
Therefore, the technical scheme adopted by the invention is as follows: a fuel pump assembly with near-far end injection comprises an oil pool and a fuel pump bracket, wherein the lower end of the fuel pump bracket is positioned in the oil pool, the upper end of the fuel pump bracket is clamped at the upper end of the oil pool, one side of the fuel pump bracket is provided with a filter mounting seat for mounting a filter component, the other side of the fuel pump bracket is downwards provided with a pump core mounting seat for mounting a pump core assembly, the pump core assembly is arranged in the pump core mounting seat, the lower end of the pump core assembly is provided with an oil filter assembly, the lower end in the oil pool is provided with a near-far end injection assembly, the filter assembly is clamped in the filter mounting seat, the main oil outlet joint of the pump core assembly is connected with an oil inlet pipe of the filter assembly, the lower end of the filter assembly is provided with a regulator assembly, an oil pipe joint is arranged at the upper end of the filter assembly and penetrates through the fuel pump bracket upwards; when the pump core assembly works, fuel oil in the oil pool enters the pump core assembly after being coarsely filtered by the oil filter assembly, and then enters the filter assembly for fine filtering and then is discharged through the oil pipe joint for use by an engine; when the fuel in the engine is sufficient, returning the fuel to the fuel tank through the regulator assembly; the near-far end injection assembly comprises an injection shell, a far end injection cavity, a near end injection cavity and an oil inlet cavity are arranged in the injection shell, the oil inlet cavity is communicated with the far end injection cavity through a first elongated hole, the first elongated hole comprises a first oil guide section facing the oil inlet cavity and a first long section facing the far end injection cavity, the oil inlet cavity is communicated with the near end injection cavity through a second elongated hole, and the second elongated hole comprises a second oil guide section facing the oil inlet cavity and a second long section facing the near end injection cavity; the injection shell is provided with an oil inlet joint communicated with the oil inlet cavity, and the other end of the oil inlet joint is used for connecting a secondary oil outlet joint of the pump core assembly; the injection shell is provided with a far-end siphon joint and a far-end injection oil outlet which are communicated with the far-end injection cavity, the other end of the far-end siphon joint is connected to the far end of the oil tank through an oil pipe, and the other end of the far-end injection oil outlet is communicated with the oil pool; the near-end siphon port and the near-end injection oil outlet are arranged on the injection shell and are communicated with the near-end injection cavity, the other end of the near-end siphon port penetrates through the oil pool and is communicated with the oil tank, and the other end of the near-end injection oil outlet is used for being communicated with the oil pool; when fuel enters the fuel inlet cavity from the fuel inlet joint, the fuel is divided into two paths: one path of the fuel oil enters the far-end injection cavity through the first elongated hole and forms a far-end siphon after passing through the far-end siphon connector, and the fuel oil at the far end in the fuel tank is sucked into the far-end injection cavity and then flows into the fuel tank through the far-end injection oil outlet; the other path enters the near-end injection cavity through the second elongated hole and forms a near-end siphon after passing through the near-end siphon port, and fuel at the near end in the fuel tank is sucked into the near-end injection cavity and then flows into the fuel tank through the near-end injection oil outlet.
Preferably, the oil inlet cavity is arranged at the left end of the injection shell, the far-end injection cavity and the near-end injection cavity are located on the right side of the oil inlet cavity, the far-end injection cavity and the near-end injection cavity are arranged at an upper-lower horizontal interval, the oil inlet joint, the far-end siphon joint and the far-end injection oil outlet are sequentially arranged at the upper end of the injection shell from left to right upwards, the near-end siphon port is arranged at the lower end of the injection shell in the direction of the near-end siphon port, and the right end of the near-end injection cavity is provided with the near-end injection oil outlet.
Further preferably, the left end of oil feed chamber is provided with and is used for penetrating the lid with the sealed drawing of oil feed chamber, the right-hand member opening in chamber is penetrated in the distal end drawing, and seals through the pier nose.
Further preferably, a valve core is arranged between the oil inlet cavity and the near-end injection cavity, and the second elongated hole is formed in the valve core.
Preferably, the inner diameter of the end head at the upper end of the far-end injection oil outlet is gradually increased, and the inner diameter of the end head at the right end of the near-end injection oil outlet is gradually increased.
It is further preferred, be provided with the oil feed draw-in groove that is used for connecting oil pipe between joint oil feed joint and the pump core subassembly on the fuel pump support, be provided with the first distal end siphon draw-in groove that is used for connecting oil pipe between joint distal end siphon joint and the oil tank on the fuel pump support, the oil bath is provided with the second distal end siphon draw-in groove that is used for connecting oil pipe between joint distal end siphon joint and the oil tank outward.
Further preferably, a fixing clip is clamped on the outer side of the lower end of the pump core mounting seat, a shock absorption seat is arranged between the fixing clip and the pump core mounting seat, an injection clamping groove for installing the near-far end injection assembly is formed in the oil pool, and an injection clamping block is correspondingly arranged on the near-far end injection assembly.
Preferably, the height of the far-end injection oil outlet is higher than half of that of the oil pool, and a check valve is arranged between the near-end siphon inlet and the oil pool.
Preferably, clamp springs are arranged between the oil pipe joint and the filter assembly and between the regulator assembly and the filter assembly, and sealing caps are arranged outside the main oil outlet joint of the pump core assembly.
The invention has the beneficial effects that: a near-far end injection component is arranged in the fuel pump assembly, so that near-far end injection can be simultaneously performed, and near-end injection is arranged in the fuel pool, so that the slope-standing abnormality caused by the splashing of near-end injection oil can be avoided; the near-end injection cavity and the far-end injection cavity are arranged on the injection shell of the near-far-end injection component, the near-end injection and the far-end injection are combined on the same part, and siphon negative pressure is realized through the oil inlet cavity, so that an oil path is simplified, the number of parts required by the simultaneous arrangement of the near-end injection and the far-end injection in the fuel pump assembly is reduced, and the near-end injection and the far-end injection can be simultaneously arranged without changing the structure of a crude oil pool, namely the size of the fuel pump assembly; the pump core is arranged outside the filter, so that heat dissipation is facilitated.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is an installation drawing of the present invention.
FIG. 3 is a schematic view of a fuel pump bracket of the present invention.
Fig. 4 is a schematic view of an oil sump according to the present invention.
FIG. 5 is a schematic view of the proximal and distal ejection assemblies of the present invention.
FIG. 6 is a schematic view of the fluid flow within the proximal and distal jet assemblies of the present invention.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-6, a fuel pump assembly with near-far-end injection mainly comprises an oil pool 10, a fuel pump bracket 11, a filter component 12, a pump core component 13, an oil filter component 14, a regulator component 15, an oil pipe joint 16 and a near-far-end injection component. The lower end of the fuel pump support 11 is located in the oil pool 10, the upper end of the fuel pump support 11 is clamped outside the upper end 10 of the oil pool, a filter mounting seat 11a for mounting a filter assembly 12 is arranged on one side of the fuel pump support 11, and a pump core mounting seat 11b for mounting a pump core assembly 13 is arranged on the other side of the fuel pump support 11 downwards.
The pump core assembly 13 is arranged in the pump core mounting seat 11b, the lower end of the pump core assembly 13 is provided with an oil filter assembly 14, the oil filter assembly 14 is positioned in the oil pool 10 and communicated with the oil pool 10, and the lower end in the oil pool 10 is provided with a near-far end injection assembly capable of sucking oil in the oil tank into the oil pool 10. The filter assembly 12 is clamped in the filter mounting seat 11a and located below the filter mounting seat 11a, a main oil outlet joint of the pump core assembly 13 is connected with an oil inlet pipe of the filter assembly 12, the lower end of the filter assembly 12 is provided with an adjuster assembly 15, the adjuster assembly 15 is communicated with the oil pool 10, an oil pipe joint 16 is arranged at the upper end of the filter assembly 12, and the oil pipe joint 6 upwards penetrates through the fuel pump support 11.
When the pump core assembly 13 works, fuel in the oil pool 10 enters the pump core assembly 13 after being coarsely filtered by the oil filter assembly 14, and then enters the filter assembly 12 for fine filtering, and then is discharged for use by an engine through the oil pipe joint 16. When the engine is full, fuel is returned to the sump 10 through the governor assembly 15.
The main body of the near-far end injection assembly is an injection shell 1. It draws chamber 1a to draw the far end, the near-end draws chamber 1b and oil feed chamber 1c to draw to be provided with in drawing the casing 1, oil feed chamber 1c draws chamber 1a intercommunication with the far end through first elongate hole 1d, and first elongate hole 1d draws the first elongate section in chamber 1a including the first oil guide section of drawing towards oil feed chamber 1c and drawing towards the far end, oil feed chamber 1c draws chamber 1b intercommunication with the near-end through second elongate hole 1e, and second elongate hole 1e draws oil guide section and draws the second elongate section in chamber 1b towards the near-end including the second of drawing oil feed chamber 1 c.
The injection shell 1 is provided with an oil inlet joint 2 communicated with the oil inlet cavity 1c, and the other end of the oil inlet joint 2 is used for connecting a secondary oil outlet joint of the pump core assembly 13. The injection shell 1 is provided with a far-end siphon joint 3 communicated with the far-end injection cavity 1a and a far-end injection oil outlet 4, the other end of the far-end siphon joint 3 is connected to the far end of the oil tank through an oil pipe, and the other end of the far-end injection oil outlet 4 is communicated with the oil pool 10. The near-end siphon inlet 5 and the near-end injection oil outlet 6 which are communicated with the near-end injection cavity 1b are arranged on the injection shell 1, the other end of the near-end siphon inlet 5 is communicated with an oil tank, and the other end of the near-end injection oil outlet 6 is communicated with an oil pool.
When fuel with certain pressure enters the oil inlet cavity 1c from the oil inlet joint 2, the fuel is divided into two paths, wherein one path enters the far-end injection cavity 1a through the first elongated hole 1d and forms far-end siphon after passing through the far-end siphon joint 3, and the fuel at the far end in the oil tank is sucked into the far-end injection cavity 1a and then flows into the oil pool 10 through the far-end injection oil outlet 4. The other path enters the near-end injection cavity 1b through the second elongated hole 1e and forms a near-end siphon after passing through the near-end siphon port 5, and fuel at the near end in the oil tank is sucked into the near-end injection cavity 1b and then flows into the oil pool 10 through the near-end injection oil outlet 6.
For further reducing the spatial position that nearly distal end draws the installation of penetrating subassembly and occupy, set up oil feed cavity 1c at the left end of drawing penetrating casing 1, the distal end draws penetrates chamber 1a, the near-end draws penetrates chamber 1b and is located the right side of oil feed cavity 1c, and the distal end draws penetrates chamber 1a, the near-end draws and penetrates chamber 1b upper and lower horizontal interval and set up, the oil feed connects 2, distal end siphon connects 3 and the far-end draws penetrates oil-out 4 and from left to right sets up in proper order upwards drawing the upper end of penetrating casing 1, the near-end siphon mouth 5 orientation sets up the lower extreme of drawing penetrating casing 1, the right-hand member that the near-end draws chamber 1b draws and draws oil-out 6 for the near-end.
For the convenience draw the processing that penetrates chamber 1a, near-end and penetrate chamber 1b, first elongated hole 1d and second elongated hole 1e in the casing 1, draw the left end and the far-end of oil feed chamber 1c and penetrate chamber 1a right-hand member and do not seal to draw through drawing that the left end setting of oil feed chamber 1c penetrates lid 7 and seal oil feed chamber 1c, draw the pier nose 8 that the right-hand member of chamber 1a set up at the far-end and draw the far-end and penetrate chamber 1a sealed. To ensure a seal between the proximal siphon mouth 5 and the sump 10, a sealing ring is provided outside the proximal siphon mouth 5.
Because the diameter of elongated hole is less, can set up elongated hole in case 9, with case 9 pressure equipment in corresponding position for increase draw penetrate the life of casing mould, oil inlet chamber 1c and near-end draw penetrate the second elongated hole 1e between the chamber 1b and just set up in case 9 in this embodiment.
In order to facilitate the fuel oil to enter the oil pool, the inner diameter of the end head at the upper end of the far-end injection oil outlet 4 is designed to be gradually increased, and the inner diameter of the end head at the right end of the near-end injection oil outlet 6 is designed to be gradually increased.
In order to ensure that an oil pipe connected in the fuel pump assembly is not disordered and ensure the attractiveness of the oil pipe, an oil inlet clamping groove 11c used for clamping and connecting the oil pipe between the oil inlet connector 2 and the pump core assembly 13 is arranged on the fuel pump support 11, a first far-end siphon clamping groove 11d used for clamping and connecting the oil pipe between the far-end siphon connector 3 and the oil tank is arranged on the fuel pump support 11, and a second far-end siphon clamping groove 10a used for clamping and connecting the oil pipe between the far-end siphon connector 3 and the oil tank is arranged outside the oil pool 10.
For reducing the vibrations that pump core subassembly 13 during operation produced, be provided with cushion socket 18 at pump core mount pad 11b, and for the fixed of making things convenient for cushion socket 18, the outside joint at pump core mount pad 11b lower extreme has fixing clip 17, cushion socket 18 is blocked between pump core mount pad 11b and fixing clip 17 by fixing clip 17, draw the location when penetrating the unit mount for making things convenient for near distal end, be provided with in oil bath 10 and be used for near distal end to draw the draw-in groove 10b that draws that penetrates the unit mount, and draw-in groove 10b and second distal end siphon draw-in groove 10a and set up inside and outside oil bath 10 relatively. An injection clamping block 1f is correspondingly arranged on the near-far end injection assembly.
In order to prevent the fuel in the oil pool 10 from returning to the oil tank along the near-far end injection assembly after the pump core assembly 13 stops working, the height of the far-end injection oil outlet 4 is higher than a half of the oil pool 10, and a check valve 19 is arranged between the near-end siphon inlet 5 and the oil pool 10.
In order to ensure that the oil pipe joint 16 and the regulator assembly 15 can be well installed on the filter assembly 12, clamp springs 20 are arranged between the oil pipe joint 16 and the filter assembly 12 and between the regulator assembly 15 and the filter assembly 12. In order to ensure the tightness of the connection between the pump core assembly 13 and the oil filter assembly 12, a sealing cap 21 is arranged outside the main oil outlet joint of the pump core assembly 13.
Claims (9)
1. The utility model provides a take fuel pump assembly that near distal end draws and penetrate, includes oil bath (10) and fuel pump support (11), the lower extreme of fuel pump support (11) is located oil bath (10), and the upper end joint of fuel pump support (11) is in upper end (10) of oil bath, one side of fuel pump support (11) is provided with filter mount pad (11a) that are used for installing filter subassembly (12), the opposite side of fuel pump support (11) is provided with pump core mount pad (11b) that are used for installing pump core subassembly (13) downwards, its characterized in that: the pump core assembly (13) is arranged in the pump core mounting seat (11b), an oil filter assembly (14) is arranged at the lower end of the pump core assembly (13), a near-far-end injection assembly is arranged at the lower end in the oil pool (10), the filter assembly (12) is clamped in the filter mounting seat (11a), a main oil outlet joint of the pump core assembly (13) is connected with an oil inlet pipe of the filter assembly (12), a regulator assembly (15) is arranged at the lower end of the filter assembly (12), an oil pipe joint (16) is arranged at the upper end of the filter assembly (12), and the oil pipe joint (16) upwards penetrates through the fuel pump support (11); when the pump core assembly (13) works, fuel in the oil pool (10) enters the pump core assembly (13) after being coarsely filtered by the oil filter assembly (14), and then enters the filter assembly (12) for fine filtering and then is discharged for an engine through the oil pipe joint (16); when the fuel in the engine is sufficient, the fuel is returned to the oil pool (10) through the regulator assembly (15);
the near-far end injection assembly comprises an injection shell (1), a far end injection cavity (1a), a near end injection cavity (1b) and an oil inlet cavity (1c) are arranged in the injection shell (1), the oil inlet cavity (1c) is communicated with the far end injection cavity (1a) through a first elongated hole (1d), the first elongated hole (1d) comprises a first oil guide section facing the oil inlet cavity (1c) and a first elongated section facing the far end injection cavity (1a), the oil inlet cavity (1c) is communicated with the near end injection cavity (1b) through a second elongated hole (1e), and the second elongated hole (1e) comprises a second oil guide section facing the oil inlet cavity (1c) and a second elongated section facing the near end injection cavity (1 b); the injection shell (1) is provided with an oil inlet joint (2) communicated with the oil inlet cavity (1c), and the other end of the oil inlet joint (2) is used for connecting a secondary oil outlet joint of the pump core assembly (13); the injection shell (1) is provided with a far-end siphon joint (3) and a far-end injection oil outlet (4), the far-end siphon joint (3) is communicated with the far-end injection cavity (1a), the other end of the far-end siphon joint (3) is connected to the far end of the oil tank through an oil pipe, and the other end of the far-end injection oil outlet (4) is communicated with the oil pool (10); the near-end siphon inlet (5) and the near-end injection oil outlet (6) which are communicated with the near-end injection cavity (1b) are arranged on the injection shell (1), the other end of the near-end siphon inlet (5) penetrates through the oil pool (10) and then is communicated with the oil tank, and the other end of the near-end injection oil outlet (6) is communicated with the oil pool (10);
when fuel enters the oil inlet cavity (1c) from the oil inlet joint (2), the fuel is divided into two paths: one path of the fuel enters the far-end injection cavity (1a) through the first elongated hole (1d) and forms a far-end siphon after passing through the far-end siphon connector (3), and the fuel at the far end in the fuel tank is sucked into the far-end injection cavity (1a) and then flows into the fuel tank through the far-end injection oil outlet (4); the other path of the fuel enters the near-end injection cavity (1b) through the second elongated hole (1e) and forms a near-end siphon after passing through the near-end siphon port (5), and the fuel at the near end in the fuel tank is sucked into the near-end injection cavity (1b) and then flows into the fuel tank through the near-end injection oil outlet (6).
2. The fuel pump assembly with proximal and distal injection of claim 1, wherein: the oil inlet cavity (1c) is arranged at the left end of the injection shell (1), the far-end injection cavity (1a) and the near-end injection cavity (1b) are located on the right side of the oil inlet cavity (1c), the far-end injection cavity (1a) and the near-end injection cavity (1b) are horizontally arranged at intervals, the oil inlet joint (2), the far-end siphon joint (3) and the far-end injection oil outlet (4) are sequentially arranged at the upper end of the injection shell (1) from left to right upwards, the near-end siphon inlet (5) is arranged at the lower end of the injection shell (1) towards the direction, and the right end of the near-end injection cavity (1b) is provided with the near-end injection oil outlet (6).
3. The fuel pump assembly with proximal and distal injection of claim 2, wherein: the left end of oil feed chamber (1c) is provided with and is used for penetrating lid (7) with the sealed drawing of oil feed chamber, the right-hand member opening in chamber (1a) is penetrated in the distal end drawing, and seals through pier nose (8).
4. The fuel pump assembly with proximal and distal injection of claim 1, wherein: a valve core (9) is arranged between the oil inlet cavity (1c) and the near-end injection cavity (1b), and the second elongated hole (1e) is arranged in the valve core (9).
5. The fuel pump assembly with proximal and distal injection of claim 2, wherein: the inner diameter of the end head at the upper end of the far-end injection oil outlet (4) is gradually increased, and the inner diameter of the end head at the right end of the near-end injection oil outlet (6) is gradually increased.
6. The fuel pump assembly with proximal and distal injection of claim 1, wherein: be provided with on fuel pump support (11) and be used for joint oil feed to connect oil pipe between oil feed joint (2) and pump core subassembly (13) oil feed draw-in groove (11c), be provided with on fuel pump support (11) and be used for joint distal end siphon to connect first distal end siphon draw-in groove (11d) of connecting oil pipe between oil tank and the joint distal end siphon and connect (3), oil bath (10) are provided with second distal end siphon draw-in groove (10a) that are used for being connected oil pipe between joint distal end siphon and the oil tank outward.
7. The fuel pump assembly with proximal and distal injection of claim 1, wherein: the outer side joint of pump core mount pad (11b) lower extreme has fixing clip (17), be provided with between fixing clip (17) and pump core mount pad (11b) cushion socket (18), be provided with in oil bath (10) and be used for nearly distal end to draw drawing draw injection clamping groove (10b) of subassembly installation, it draws injection clamping block (1f) to correspond to be provided with on the nearly distal end draws the subassembly.
8. The fuel pump assembly with proximal and distal injection of claim 1, wherein: the height of the far-end injection oil outlet (4) is higher than half of that of the oil pool (10), and a check valve (19) is arranged between the near-end siphon inlet (5) and the oil pool (10).
9. The fuel pump assembly with proximal and distal injection of claim 1, wherein: clamp springs (20) are arranged between the oil pipe joint (16) and the filter assembly (12) and between the regulator assembly (15) and the filter assembly (12), and sealing caps (21) are arranged outside the main oil outlet joint of the pump core assembly (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110950469.1A CN113482819A (en) | 2021-08-18 | 2021-08-18 | Fuel pump assembly with near-far end injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110950469.1A CN113482819A (en) | 2021-08-18 | 2021-08-18 | Fuel pump assembly with near-far end injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113482819A true CN113482819A (en) | 2021-10-08 |
Family
ID=77946870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110950469.1A Pending CN113482819A (en) | 2021-08-18 | 2021-08-18 | Fuel pump assembly with near-far end injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113482819A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934867A (en) * | 2022-06-08 | 2022-08-23 | 重庆万力联兴实业(集团)有限公司 | Filter casing and fuel pump |
| CN115288897A (en) * | 2022-09-02 | 2022-11-04 | 重庆万力联兴实业(集团)有限公司 | Prevent concentrated fuel pump of static |
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| CN112539124A (en) * | 2020-12-04 | 2021-03-23 | 重庆万力联兴实业(集团)有限公司 | Automobile-used fuel pump support assembly |
| CN213953775U (en) * | 2020-12-12 | 2021-08-13 | 重庆万力联兴实业(集团)有限公司 | Novel near-end injection assembly for vehicle |
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2021
- 2021-08-18 CN CN202110950469.1A patent/CN113482819A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114934867A (en) * | 2022-06-08 | 2022-08-23 | 重庆万力联兴实业(集团)有限公司 | Filter casing and fuel pump |
| CN115288897A (en) * | 2022-09-02 | 2022-11-04 | 重庆万力联兴实业(集团)有限公司 | Prevent concentrated fuel pump of static |
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Application publication date: 20211008 |