CN114934867A - Filter casing and fuel pump - Google Patents

Filter casing and fuel pump Download PDF

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Publication number
CN114934867A
CN114934867A CN202210647237.3A CN202210647237A CN114934867A CN 114934867 A CN114934867 A CN 114934867A CN 202210647237 A CN202210647237 A CN 202210647237A CN 114934867 A CN114934867 A CN 114934867A
Authority
CN
China
Prior art keywords
filter
pump
oil
lower cover
pump core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210647237.3A
Other languages
Chinese (zh)
Inventor
张曦
李伟
谭潇路
李阳
刘长贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Wanli Lianxing Industrial Group Co ltd
Original Assignee
Chongqing Wanli Lianxing Industrial Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Wanli Lianxing Industrial Group Co ltd filed Critical Chongqing Wanli Lianxing Industrial Group Co ltd
Priority to CN202210647237.3A priority Critical patent/CN114934867A/en
Publication of CN114934867A publication Critical patent/CN114934867A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/34Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements by the filter structure, e.g. honeycomb, mesh or fibrous
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04Feeding by means of driven pumps
    • F02M37/14Feeding by means of driven pumps the pumps being combined with other apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/42Installation or removal of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/44Filters structurally associated with pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/46Filters structurally associated with pressure regulators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/48Filters structurally associated with fuel valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/22Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
    • F02M37/32Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
    • F02M37/50Filters arranged in or on fuel tanks

Abstract

The invention discloses a filter shell, which comprises a filter lower cover, wherein a filter element accommodating cavity for accommodating a filter element of a filter is arranged in the filter lower cover, an installing head for installing a pressure relief regulator component is arranged at the lower end of the filter lower cover, a pump element installing sleeve for installing the pump element component is integrally arranged on the side surface of the filter lower cover, at least one inner hanging frame is arranged on the pump element installing sleeve and the outer side of the filter lower cover, a communicating part is integrally arranged at the position, close to the upper end, of the outer side of the filter lower cover, a connecting hole is formed in the communicating part, a one-way valve for ensuring that fuel oil can only flow to a filter from the pump element component is arranged in the connecting hole, a connecting joint for connecting with an injection component is arranged on one side of the communicating part, and the connecting joint is communicated with the connecting hole; a fuel pump is also disclosed. The filter shell integrates an injection flow distribution channel structure, a one-way valve structure and an inner hanging frame structure, and is high in integration, low in cost and convenient to install.

Description

Filter casing and fuel pump
Technical Field
The invention belongs to the technical field of electric fuel pumps, and particularly relates to a filter shell and a fuel pump.
Background
In chinese patent CN202011415692.8 a vehicle fuel pump bracket assembly is disclosed, including support body and filter, the filter is formed by upper and lower lid welding, filter in this patent need with the cooperation of fuel pump support, just can accomplish the synchronous installation of filter and pump core on the oil bath, and because at the fuel pump during operation, the fuel that is located in the oil bath passes through in proper order by the last lower extreme that enters into the filter after upwards passing through the pump core, connect out from the upper end oil pipe connector of filter at last, make the position department that communicates at pump core and filter need set up the check valve in order to prevent the fuel refluence.
Disclosure of Invention
The invention aims to provide a filter shell, which is integrated with a hanging frame structure capable of being directly installed on an oil pool, so that the arrangement of a fuel pump support is reduced, the structure of the whole fuel pump is simplified, and the assembly of the whole fuel pump is further facilitated.
Therefore, the technical scheme adopted by the invention is as follows: a filter shell comprises a filter lower cover and a filter upper cover arranged on the filter lower cover, wherein a filter element accommodating cavity for accommodating a filter element of a filter is arranged in the filter lower cover, an installing head for installing a pressure relief regulator component is arranged at the lower end of the filter lower cover, a pump element installing sleeve for installing the pump element component is integrally arranged on the side surface of the filter lower cover, at least one inner hanging frame for installing the pump element component is arranged on each of the pump element installing sleeve and the outer side of the filter lower cover, a communicating part is integrally arranged at the position, close to the upper end, of the outer side of the filter lower cover, a connecting hole is formed in the communicating part, one end of the connecting hole is used for installing an oil outlet joint of the pump element component, the other end of the connecting hole is communicated with the filter element accommodating cavity after penetrating through the filter lower cover, and a one-way valve for ensuring that fuel oil can only flow to the filter from the pump element component is arranged in the connecting hole, one side of UNICOM portion is provided with the attach fitting that is used for with draw the subassembly to be connected, attach fitting and connecting hole intercommunication.
As the preferred among the above-mentioned scheme, interior hanging rack is including being the link of "L" type, the horizontal segment end setting of link is corresponding pump core installation sleeve or filter lower cover lateral surface, the equal symmetry in both sides that the vertical section of link is close to position department of upper end is provided with the piece that falls of preventing that outwards extends, the vertical section of link is provided with prevents moving the barb, and prevents moving the barb and be located the top of preventing falling the piece.
Further preferably, the connecting frame is provided with lightening holes, and reinforcing ribs are arranged between the connecting frame and the corresponding pump core mounting sleeve or the lower filter cover.
Further preferably, the outer side of the lower end of the pump core mounting sleeve is uniformly provided with at least three U-shaped clamping seats convenient for mounting the pump core assembly, and the upper end of the pump core mounting sleeve is internally provided with at least one limiting boss for limiting the mounting position of the pump core assembly.
Further preferably, the lower end of one side, away from the pump core mounting sleeve, of the U-shaped clamping seat is set to be an inclined plane, the distance between the lower end of the inclined plane and the pump core mounting sleeve is smaller than the distance between the upper end of the inclined plane and the pump core mounting sleeve, and an upward anti-falling bulge is arranged at one side, away from the pump core mounting sleeve, of the upper end of the U-shaped clamping seat.
Further preferably, the pump core mounting sleeve and the outer side face of the lower filter cover are provided with clamping strips used for clamping electric wires.
The fuel pump comprises an oil pool, a pump core assembly, a fixing clamp, an oil filter assembly, a filter element, an injection assembly, a pressure relief regulator assembly and the filter shell, wherein the filter element is positioned in a filter element accommodating cavity and fixed through a filter upper cover; the anti-falling block and the anti-moving barb on each inner hanging frame are provided with hanging frame openings, the mounted filter shell is arranged in the oil pool through the matching of the inner hanging frames and the hanging frame openings, siphon holes connected with an oil tank are formed in the position, corresponding to the near-end siphon port on the injection assembly, of the oil pool, and check valves are arranged on the siphon holes.
Further preferably, be provided with the joint seat that is used for the joint to draw the subassembly on the oil bath, the joint seat includes inner circle and outer lane, leave the clearance that supplies to draw the near-end siphon mouth card of drawing the subassembly between inner circle and the outer lane and go into, both sides all are provided with the dog around the oil inlet chamber that corresponds on the outer lane and draw the subassembly and the near-end oil-out, still be provided with the joint mouth on the outer lane, draw the near-end siphon mouth of subassembly to set up outward and have the joint barb that the joint mouth corresponds.
Further preferably, the hanger opening comprises a stop barb arranged corresponding to the anti-moving barb and two anti-falling block seats which are oppositely arranged and used for installing the anti-falling blocks.
Further preferably, the lower end of the fixing clip is integrally provided with a filter cartridge holder of the oil filter assembly.
The invention has the beneficial effects that: a pump core mounting sleeve is integrally arranged on the lower cover of the filter, so that the pump core assembly is convenient to mount; the inner hanging frame is arranged, so that the filter and the pump core assembly can be conveniently installed in the oil pool together; the filter shell is provided with the communicating part, the communicating hole with the one-way valve and the connecting joint, so that the condition that the one-way valve is not installed independently during installation can be effectively prevented, and pressure fuel oil is conveniently injected into the injection assembly, so that the injection assembly can effectively work.
Drawings
FIG. 1 is an exploded view of a fuel pump of the present invention.
FIG. 2 is a schematic view of a filter housing according to the present invention.
Fig. 3 is a perspective view of a filter housing according to the present invention.
Fig. 4 is a schematic view of an oil sump according to the present invention.
Description of reference numerals: 1-lower filter cover, 101-filter element accommodating cavity, 102-mounting head, 2-upper filter cover, 201-oil pipe joint, 3-pump element mounting sleeve, 301-U-shaped clamping seat, 302-limiting boss, 303-inclined surface, 304-anti-falling bulge, 4-inner hanger, 401-connecting frame, 402-anti-falling block, 403-anti-moving barb, 404-weight-reducing hole, 405-reinforcing rib, 5-communicating part, 501-connecting hole, 502-connecting joint, 6-one-way valve, 7-clamping strip, 8-oil tank, 801-hanger port, 802-siphon hole, 803-anti-falling block seat, 804-stopping barb, 9-pump element assembly, 902-oil outlet joint, 10-fixing clamp, 11-oil filter assembly, 12-injection assembly, 1201-oil inlet joint, 1202-proximal siphon mouth, 1203-oil inlet cavity, 1204-proximal oil outlet, 1205-clamping barb, 13-oil pipe, 14-check valve, 15-clamping seat, 1501-inner ring, 1502-outer ring, 1503-stop block and 1504-clamping interface.
Detailed Description
The invention is further illustrated by the following examples in combination with the accompanying drawings:
as shown in fig. 1 to 4, a filter casing is mainly composed of a filter lower cover 1 and a filter upper cover 2, wherein the filter upper cover 2 is arranged above the filter lower cover 1, a filter element accommodating cavity 101 for accommodating a filter element of the filter is arranged in the filter lower cover 1, a mounting head 102 for mounting a pressure relief regulator component is arranged at the lower end of the filter lower cover 1, and a pump element mounting sleeve 3 for mounting a pump element component is integrally arranged on the side surface of the filter lower cover 1. During the equipment, install the filter element with the filter and hold the chamber 101 after, weld filter upper cover 2 on filter lower cover 1 through laser to accomplish the equipment of whole filter. Preferably, an oil pipe joint 201 is integrally formed on the filter upper cover 2.
In order to install the filter in the corresponding oil pool conveniently, at least one inner hanging frame 4 used for being installed in the oil pool is arranged outside the pump core installing sleeve 3 and the filter lower cover 1. The concrete structure of the inner hanging rack 4 comprises a connecting rack 401 which is arranged in an L shape, and the end of the horizontal section of the connecting rack 401 is arranged on the outer side surface of the corresponding pump core mounting sleeve 3 or the lower cover 1 of the filter. For preventing the filter from moving downwards, the both sides that are close to the position department of upper end in the vertical section of link 401 all are provided with the anti-falling piece 402 of outside extension symmetrically, simultaneously for preventing the filter from moving upwards, be provided with in the vertical section of link 401 and prevent moving barb 403, and prevent moving barb 403 and be located and prevent falling the top of piece 402. In this embodiment, in order to ensure that the filter does not shake, two inner hangers 4 are disposed outside the pump cartridge mounting sleeve 3 and the filter lower cover 1.
In order to reduce the weight of the whole filter, lightening holes 404 are arranged on the connecting frame 401, and reinforcing ribs 405 are arranged between the connecting frame 401 and the corresponding pump core mounting sleeve or the filter lower cover to ensure the connecting strength.
For making things convenient for the fuel after the pump core filters to carry out the fine filtration in entering the filter again, position department an organic whole that is close to the upper end in the filter lower cover 1 outside is provided with UNICOM portion 5, be provided with connecting hole 501 in UNICOM portion 5, and the one end of connecting hole 501 is used for installing the oil outlet joint 501 of pump core subassembly, the other end of connecting hole 501 passes and holds chamber 101 intercommunication with the filter core behind the filter lower cover 1, for preventing the fuel backward flow, be provided with in connecting hole 501 and be used for guaranteeing that the fuel can only be by the check valve 6 of pump core subassembly flow direction filter. When the pump core assembly 9 is installed, the oil outlet joint 902 of the pump core assembly 9 is directly installed in one end of the connecting hole, and a sealing ring is arranged on the oil outlet joint 902 to ensure sealing.
In order to facilitate the fuel oil with pressure to enter the injection assembly and enable the injection assembly to realize siphon, a connecting joint 502 used for being connected with the injection assembly is arranged on one side of the communicating part 5, the connecting joint 502 is communicated with the connecting hole 501, and when the fuel oil injection assembly is actually installed, the connecting joint 502 is connected with an oil inlet joint 1201 of the injection assembly through an oil pipe. Preferably, the connection point between the connection joint 502 and the connection hole 501 is located below the check valve 6.
For the installation of making things convenient for the pump core subassembly, evenly be provided with three at least U type cassette 301 of being convenient for the installation of pump core subassembly in the lower extreme outside of pump core installation sleeve 3, one side lower extreme that keeps away from pump core installation sleeve 3 at U type cassette 301 sets up to inclined plane 303, and the distance between the lower extreme of inclined plane 303 and the pump core installation sleeve 3 is less than the upper end on inclined plane 303 and the distance between the pump core installation sleeve 3, should set up and make things convenient for U type cassette card to go into to the fixing clip. In order to prevent the pump core assembly from being separated from the fixing clip under vibration, an upward anti-falling bulge 304 is arranged at one side of the upper end of the U-shaped clip seat 301 far away from the pump core mounting sleeve 3, and an inclined transition is adopted between the anti-falling bulge 304 and the upper end of the U-shaped clip seat 301. In order to prevent the pump core assembly from being excessively pushed upwards when the pump core assembly is installed, at least one limiting boss 302 for limiting the upward installation position of the pump core assembly is arranged in the upper end of the pump core installation sleeve 3. In this embodiment, two limiting bosses 302 are provided along the pump core mounting sleeve 3, while three U-shaped clamping seats 301 are provided outside the pump core mounting sleeve 3.
For the installation of electric wire on convenient filter and the pump core subassembly, all be provided with the joint strip 7 that is used for the joint electric wire on pump core installation sleeve 3 and 1 lateral surface of filter lower cover, the joint strip is the C type, and one end is fixed at corresponding pump core installation sleeve 3 or 1 lateral surface of filter lower cover, leaves the clearance between the other end and the lateral surface, and this clearance can not pass through a list electric wire.
The utility model provides a fuel pump, mainly by oil bath 8, pump core subassembly 9, fixing clip 10, oil filter subassembly 11, the filter core, draw and penetrate subassembly 12, pressure relief regulator subassembly and foretell filter casing, wherein the filter core is located filter core and holds chamber 101 fixed through filter upper cover 2, install installation pressure relief regulator subassembly on installation head 102, install in pump core installation sleeve 3 and fixed through fixing clip 10 from upwards pump core subassembly 9, and set up on oil filter subassembly 11 after the oil feed end of pump core subassembly 9 passes fixing clip 10, the oil outlet 902 of pump core subassembly 9 upper end is installed in connecting hole 501, draw and be connected through oil pipe 13 between oil feed joint 1201 of penetrating subassembly 12 and the connecting joint 502. The injection assembly 12 may be a near-end injection assembly in the drawing, or may be a near-far-end injection assembly.
In order to facilitate the arrangement of the filter in the oil sump, a hanger opening 801 is arranged on the oil sump 8 corresponding to the anti-falling block 402 and the anti-moving barb 403 on each inner hanger 4, the hanger opening 801 comprises a stopping barb 804 arranged corresponding to the anti-moving barb 403 and two anti-falling block seats 803 which are oppositely arranged and used for installing the anti-falling block 402, and the opposite sides of the two specific anti-falling block seats 803 are provided with grooves for the anti-falling block 402 to be inserted from top to bottom. After the parts of the fuel pump except the oil pool and the injection assembly are installed, the whole fuel pump is formed by matching the inner hanging rack 4 and the hanging rack opening 801, after the parts are installed, the anti-falling block 402 is correspondingly positioned in the anti-falling block seat 803, and the straight surface of the anti-moving barb 403 is opposite to the straight surface of the stopping barb 804.
In order to realize the proximal siphon of the injector assembly, a siphon hole 802 connected with the oil tank is arranged on the oil pool 8 at a position corresponding to the proximal siphon port 1202 on the injector assembly 12, and a check valve 14 for preventing the fuel oil from returning to the oil tank from the oil pool is arranged on the siphon hole 802.
For the installation of conveniently drawing the penetrating subassembly, be provided with the joint seat 15 that is used for the joint to draw penetrating subassembly 12 on oil bath 8, the concrete structure of joint seat 15 includes inner circle 1501 and outer lane 1502, leaves the clearance that supplies to draw the near-end siphon mouth 1202 card of penetrating subassembly 12 to go into between inner circle 1501 and outer lane 1502, corresponds on outer lane 1502 and draws the oil inlet chamber 1203 and the front and back both sides of near-end oil-out 1204 of penetrating subassembly 12 and all be provided with dog 1503 simultaneously. In order to prevent the injection assembly from moving upwards, a clamping port 1504 is further arranged on the outer ring 1502, and a clamping barb 1205 corresponding to the clamping port 1504 is arranged outside the near-end siphon opening 1202 of the injection assembly 12.
In an embodiment, the lower end of the fixing clip 10 is provided integrally with the cartridge holder 1101 of the oil filter assembly 11. During installation, the filter element of the oil filter assembly 11 is firstly installed on the filter element frame 1101, and then the upper cover and the lower cover of the oil filter assembly 11 are buckled together or welded together after being wrapped on the filter element frame.
When the installation is carried out, the installation is carried out according to the following steps:
1. the filter element is mounted on the filter lower cover 1, and then the filter upper cover 2 is welded to the filter lower cover 1, while the fixing clip 10 and the oil filter assembly 11 are mounted.
2. The pump core assembly 9 and the pressure relief regulator assembly are correspondingly arranged on the pump core mounting sleeve 3 and the filter lower cover 1, and when the pump core assembly 9 and the filter lower cover are mounted, a damping seat is arranged between the pump core assembly 9 and the fixing clamp 10. And meanwhile, the injection assembly is correspondingly arranged on the clamping seat of the oil pool.
3. Through the cooperation of the inner hanging rack and the hanging rack opening, the pump core assembly 9 and the filter are installed in the oil pool. And after the installation is finished, the connection of the oil pipes is finished. Thereby completing the installation of the whole fuel pump.

Claims (10)

1. The utility model provides a filter casing, includes filter lower cover (1) and sets up filter upper cover (2) on filter lower cover (1), its characterized in that: a filter element accommodating cavity (101) for accommodating a filter element of the filter is arranged in the filter lower cover (1), an installing head (102) for installing a pressure relief regulator component is arranged at the lower end of the filter lower cover (1), a pump element installing sleeve (3) for installing the pump element component is integrally arranged on the side surface of the filter lower cover (1), at least one inner hanging frame (4) for installing in an oil pool is arranged on the outer sides of the pump element installing sleeve (3) and the filter lower cover (1), a communicating part (5) is integrally arranged at a position close to the upper end on the outer side of the filter lower cover (1), a connecting hole (501) is arranged in the communicating part (5), one end of the connecting hole (501) is used for installing an oil outlet joint of the pump element component, and the other end of the connecting hole (501) is communicated with the filter element accommodating cavity (101) after penetrating through the filter lower cover (1), be provided with in connecting hole (501) and be used for guaranteeing that the fuel can only be by pump core subassembly flow to check valve (6) of filter, one side of UNICOM portion (5) is provided with and is used for drawing connector (502) of penetrating the subassembly and being connected, connector (502) and connecting hole (501) intercommunication.
2. A filter housing according to claim 1, wherein: interior stores pylon (4) is including link (401) that is "L" type, the horizontal segment end setting of link (401) is corresponding pump core installation sleeve (3) or filter lower cover (1) lateral surface, the equal symmetry in both sides that the vertical section of link (401) is close to the position department of upper end is provided with outside extension prevents falling piece (402), the vertical section of link (401) is provided with prevents moving barb (403), and prevents moving barb (403) and be located the top of preventing falling piece (402).
3. A filter housing according to claim 1, wherein: the connecting frame (401) is provided with lightening holes (404), and reinforcing ribs (405) are arranged between the connecting frame (401) and the corresponding pump core mounting sleeve or the lower filter cover.
4. A filter housing according to claim 1, wherein: the pump core mounting structure is characterized in that at least three U-shaped clamping seats (301) convenient for mounting a pump core assembly are uniformly arranged on the outer side of the lower end of the pump core mounting sleeve (3), and at least one limiting boss (302) used for limiting the mounting position of the pump core assembly is arranged in the upper end of the pump core mounting sleeve (3).
5. A filter housing according to claim 4, wherein: the lower end of one side of the U-shaped clamping seat (301) far away from the pump core mounting sleeve (3) is set to be an inclined plane (303), the distance between the lower end of the inclined plane (303) and the pump core mounting sleeve (3) is smaller than the distance between the upper end of the inclined plane (303) and the pump core mounting sleeve (3), and an upward anti-falling bulge (304) is arranged at one side of the upper end of the U-shaped clamping seat (301) far away from the pump core mounting sleeve (3).
6. A filter housing according to claim 1, wherein: and clamping strips (7) used for clamping electric wires are arranged on the outer side surfaces of the pump core mounting sleeve (3) and the filter lower cover (1).
7. The utility model provides a fuel pump, includes oil sump (8), pump core subassembly (9), fixing clip (10), oil filter subassembly (11), filter core, draws and penetrates subassembly (12) and pressure relief regulator subassembly, its characterized in that: the filter shell of any one of claims 2 to 6, wherein the filter element is positioned in the filter element accommodating cavity (101) and fixed through the filter upper cover (2), the mounting head (102) is provided with a pressure relief regulator assembly, the pump element assembly (9) is mounted in the pump element mounting sleeve (3) from bottom to top and fixed in the pump element mounting sleeve (3) through a fixing clamp (10), the oil inlet end of the pump element assembly (9) passes through the fixing clamp (10) and then is arranged on the oil filter assembly (11), the oil outlet joint (902) at the upper end of the pump element assembly (9) is mounted in the connecting hole (501), and the oil inlet joint (1201) of the injection assembly (12) is connected with the connecting joint (502) through an oil pipe (13);
the anti-falling block (402) and the anti-moving barb (403) on each inner hanger (4) on the oil pool (8) are provided with hanger openings (801), the installed filter shell is arranged in the oil pool (8) through the matching of the inner hangers (4) and the hanger openings (801), siphon holes (802) connected with an oil tank are arranged at positions on the oil pool (8) corresponding to the near-end siphon openings (1202) on the injection assembly (12), and check valves (14) are arranged on the siphon holes (802).
8. A fuel pump as set forth in claim 7, wherein: be provided with joint seat (15) that is used for the joint to draw subassembly (12) of penetrating in the joint on oil bath (8), joint seat (15) include inner circle (1501) and outer lane (1502), leave the clearance that supplies to draw near-end siphon mouth (1202) card of penetrating subassembly (12) to go into between inner circle (1501) and outer lane (1502), both sides all are provided with dog (1503) around oil inlet chamber (1203) and near-end oil-out (1204) that correspond on outer lane (1502) and draw penetrating subassembly (12), still be provided with joint mouth (1504) on outer lane (1502), draw near-end siphon mouth (1202) of penetrating subassembly (12) outer setting and have joint barb (1205) that joint mouth (1504) correspond.
9. The fuel pump of claim 7, wherein: the hanger opening (801) comprises two anti-falling block seats (803) which are oppositely arranged and used for installing the anti-falling blocks (402) and a stopping barb (804) which is arranged corresponding to the anti-moving barb (403).
10. The fuel pump of claim 7, wherein: the lower end of the fixing clip (10) is integrally arranged with a filter element frame (1101) of the oil filter assembly (11).
CN202210647237.3A 2022-06-08 2022-06-08 Filter casing and fuel pump Pending CN114934867A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210647237.3A CN114934867A (en) 2022-06-08 2022-06-08 Filter casing and fuel pump

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030188722A1 (en) * 2002-04-03 2003-10-09 Toshihide Oku Reservoir unit
CN113482819A (en) * 2021-08-18 2021-10-08 重庆万力联兴实业(集团)有限公司 Fuel pump assembly with near-far end injection
CN215890272U (en) * 2021-09-29 2022-02-22 温州天旗汽车部件有限公司 Fuel supply device for fuel pump
CN216198567U (en) * 2021-09-28 2022-04-05 纬湃汽车电子(芜湖)有限公司 Pump bracket and fuel pump assembly comprising same
CN114483396A (en) * 2020-11-13 2022-05-13 纬湃汽车电子(芜湖)有限公司 Fuel pump assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030188722A1 (en) * 2002-04-03 2003-10-09 Toshihide Oku Reservoir unit
CN114483396A (en) * 2020-11-13 2022-05-13 纬湃汽车电子(芜湖)有限公司 Fuel pump assembly
CN113482819A (en) * 2021-08-18 2021-10-08 重庆万力联兴实业(集团)有限公司 Fuel pump assembly with near-far end injection
CN216198567U (en) * 2021-09-28 2022-04-05 纬湃汽车电子(芜湖)有限公司 Pump bracket and fuel pump assembly comprising same
CN215890272U (en) * 2021-09-29 2022-02-22 温州天旗汽车部件有限公司 Fuel supply device for fuel pump

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