CN211500848U

CN211500848U - Tertiary filtration fuel filter core assembly and fuel filter thereof

Info

Publication number: CN211500848U
Application number: CN202020125553.0U
Authority: CN
Inventors: 郭步春
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-09-15
Anticipated expiration: 2030-01-20

Abstract

The utility model provides a tertiary filtration fuel filter core assembly and fuel filter thereof belongs to auto-parts technical field. The three-level fuel filtering filter element assembly comprises an outer core assembly, an inner core assembly and a water draining net assembly, wherein an outer core inner cavity is formed in the outer core assembly, the inner core assembly and the water draining net assembly are arranged in the outer core inner cavity, the outer core assembly is not communicated with the inner core assembly, an inlet of the water draining net assembly is communicated with an outlet of the outer core assembly, and an outlet of the water draining net assembly is communicated with an inlet of the inner core assembly; when the filter element assembly filters, the fuel oil passes through the outer core assembly, the hydrophobic net assembly and the inner core assembly in sequence, and three-level filtering is achieved. Use the utility model provides a filter core assembly can filter the fuel with hierarchical filterable mode, guarantees that the fuel filters cleaner, and the cost is reduced makes the difficult jam of product, and the life of filtration efficiency and filter core assembly is more of a specified duration.

Description

Tertiary filtration fuel filter core assembly and fuel filter thereof

Technical Field

The utility model belongs to the technical field of auto-parts technique and specifically relates to a tertiary filtration fuel filter core assembly and fuel filter thereof.

Background

In order to deliver clean fuel to the engine, the fuel filter is responsible for filtering fine impurities in the fuel, thereby enabling the engine to operate more efficiently.

Conventional filters are filtered through two or more filter assemblies. The structural defects are large installation space requirement and high manufacturing cost.

Disclosure of Invention

The technical task of the utility model is to solve prior art's not enough, provide a tertiary filtration fuel filter element assembly and fire oil filter and contain its fire oil filter, this structure can carry out the classified filtration to the impurity of different granules under the high filtration precision to solve a plurality of filters manufacturing cost height, occupation space defect such as big pointed out in the background art.

The utility model provides a technical scheme that its technical problem adopted is:

1. the utility model provides a tertiary fuel filter element assembly that filters, including outer core subassembly, inner core subassembly, drainage net subassembly, be provided with outer core inner chamber in the outer core subassembly, inner core subassembly, drainage net subassembly set up in outer core inner chamber, outer core subassembly and inner core subassembly are not communicated, drainage net subassembly entry and outer core subassembly exit are linked together, drainage net subassembly exit and inner core subassembly entry are linked together;

when the filter element assembly filters, the fuel oil passes through the outer core assembly, the hydrophobic net assembly and the inner core assembly in sequence, and three-level filtering is achieved.

Preferably, the inner core assembly is arranged at the upper part of the inner cavity of the outer core, and the hydrophobic net assembly is arranged at the lower part of the inner cavity of the outer core and below the inner core assembly.

The scheme is preferred, outer core subassembly includes outer core skeleton, and the surface of outer core skeleton is provided with outer core filter media, and outer core filter media is used for filtering large granule impurity, and the upper and lower extreme of outer core skeleton is connected with outer core upper cover and outer core lower cover respectively, and outer core lower cover department has seted up the centre bore.

Preferably, the inner cavity of the outer core is positioned in the outer core framework, the part of the outer core framework, on which the inner core assembly is arranged, is of a solid structure, and the part of the outer core framework, on which the hydrophobic net assembly is arranged, is of a hollow structure.

The scheme is preferred, the solid construction surface of outer core skeleton is equipped with the water conservancy diversion muscle.

Preferably, the flow guide ribs are obliquely arranged downwards in a staggered mode.

Preferably, the hydrophobic net component comprises a hydrophobic skeleton and a hydrophobic filter net arranged outside the hydrophobic skeleton, and the hydrophobic filter net is made of oleophylic and hydrophobic materials and used for realizing oil-water separation.

The scheme is preferred, the inner core subassembly includes the inner core skeleton, and the surface of inner core skeleton is provided with the inner core filter media, and the inner core filter media is used for filtering tiny particle impurity, and the upper and lower end of inner core skeleton is connected with inner core upper cover and inner core lower cover respectively, and fuel oil channel has been seted up to inner core lower cover department.

Preferably, the inner cavity of the outer core, the inner core assembly and the hydrophobic net assembly are in contact sealing through sealing rings.

2. The utility model provides an oil filter fires, including the filter casing, be equipped with above-mentioned filter core assembly in the filter casing.

The utility model discloses a tertiary filtration fuel filter core assembly and fuel filter thereof compares produced beneficial effect with prior art and is:

use the utility model provides a filter core assembly can filter fuel with stage filter's mode, the fuel filters large granule impurity through outer core assembly earlier when passing through the product, the fuel after the filtration separates through the profit of hydrophobic filter screen in to the fuel, moisture after the separation is discharged through outer core lower cover centre bore through self gravity, non-aqueous fuel gets into in the hydrophobic filter screen, the fuel flows into inner core lower cover fuel passageway through hydrophobic filter screen upper end, filter through the tiny granule of inner core filter media in to the fuel, get into the engine through the oil outlet end, it is cleaner to guarantee that the fuel filters, the cost is reduced, the product is difficult for blockking up, the life of filtration efficiency and filter core assembly is more of a specified duration.

Drawings

Fig. 1 is a schematic diagram of the internal structure of a three-stage filtration fuel filter element assembly of the present invention;

FIG. 2 is a schematic structural view of the outer core skeleton, which is a front view, a sectional view and a perspective view from left to right in sequence;

FIG. 3 is a schematic structural view of the upper cover of the outer core involved;

FIG. 4 is a schematic structural view of the lower cover of the outer core involved;

FIG. 5 is a schematic structural diagram of a hydrophobic net assembly, which is a sectional view and a perspective view from left to right in sequence;

FIG. 6 is a schematic structural view of the core upper cover in question;

FIG. 7 is a schematic structural view of the core skeleton concerned;

fig. 8 is a schematic structural view of the core lower cover in question.

The reference numerals in the figures denote:

1. an outer core component 100, an outer core upper cover 101, an outer core filter material 102, an outer core framework,

104. an outer core lower cover 105, a central hole 106, an outer sealing ring of the outer core lower cover 107 and a flow guide rib,

108. an inner cavity of the outer core;

2. an inner core component 200, an inner core upper cover 201, an inner core filter material 202 and an inner core framework,

203. an inner core lower cover 204, a fuel oil channel 205 and an inner core upper cover sealing ring;

206. an inner core inner seal;

3. the drainage screen assembly comprises a drainage screen assembly 300, a drainage screen 301, a drainage framework 302 and a screen assembly sealing ring;

4. and an oil outlet end.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Example one

As shown in the attached drawing 1, the utility model provides a three-stage filtration fuel filter element assembly, which comprises an outer core component 1, an inner core component 2 and a hydrophobic net component 3, wherein an outer core inner cavity 108 is arranged in the outer core component 1, the inner core component 2 and the hydrophobic net component 3 are arranged in the outer core inner cavity 108, the outer core component 1 is not communicated with the inner core component 2, an inlet of the hydrophobic net component 3 is communicated with an outlet of the outer core component 1, and an outlet of the hydrophobic net component 3 is communicated with an inlet of the inner core component 2;

when the filter element assembly filters, the fuel oil passes through the outer core component 1, the hydrophobic net component 3 and the inner core component 2 in sequence, and three-stage filtration is realized.

On the basis of the structure, the inner core component 2 is arranged at the upper part of the outer core inner cavity 108, and the hydrophobic net component 3 is arranged at the lower part of the outer core inner cavity 108 and below the inner core component 2. The hydrophobic net component 3 is arranged below the inner core component 2 in a preferred mode.

With reference to fig. 2-4, the outer core assembly 1 includes an outer core frame 102, the outer core frame 102 is a hollow cylinder, an outer core filter 101 is disposed on the surface of the outer core frame 102, the outer core filter 101 is an inner water-gathering filter, the outer core filter 101 is used for filtering large granular impurities, the upper end and the lower end of the outer core frame 102 are respectively connected to an outer core upper cover 100 and an outer core lower cover 103, and a central hole 104 is formed in the outer core lower cover 103.

The outer core inner cavity 108 is located in the outer core framework 102, the portion, on the outer core framework 102, of the inner core assembly 2 is of a solid structure, the outer core assembly 1 and the inner core assembly 2 are not communicated with each other, and the portion, on the outer core framework 102, of the hydrophobic net assembly 3 is of a hollow structure.

In order to facilitate the smooth outflow of the oil, the outer surface of the solid structure of the outer core framework 102 is provided with a flow guiding rib 107. If the flow guide ribs 107 are not arranged, the space between the outer core filter material 101 and the outer core framework 102 is small, so that resistance exists in oil liquid flowing, and further the flow is influenced. Preferably, the flow guiding ribs 107 are arranged obliquely downwards and in a staggered manner, so that the oil flows down through the joints.

With reference to fig. 5, the hydrophobic net assembly 3 includes a hydrophobic skeleton 301 and a hydrophobic net 300 disposed outside, and the hydrophobic net 300 is made of an oleophilic hydrophobic material for oil-water separation.

With reference to fig. 6-8, the inner core assembly 2 includes an inner core frame 202, an inner core filter 201 is disposed on the surface of the inner core frame 202, the inner core filter 201 is used for filtering fine particle impurities, an inner core upper cover 200 and an inner core lower cover 203 are respectively connected to the upper end and the lower end of the inner core frame 202, and a fuel oil channel 204 is disposed at the inner core lower cover 203. The fuel filtered by the hydrophobic net component 3 flows into the inner core component 2 through the fuel channel 204.

In order to realize assembly sealing between the components, the inner core upper cover 200 and the outer core upper cover 100 are in contact sealing through an inner core upper cover sealing ring 205, the inner core upper cover 200 and the inner core framework 202 are in contact sealing through an inner core inner sealing part 206, and the hydrophobic net component 3 and the outer core framework 102 are in contact sealing through a filter screen component sealing ring 302. The outer core lower cover 104 is connected to the filter housing by an outer core lower cover outer seal ring 106. An oil outlet end 4 is arranged on the inner core inner sealing element 206, and the fuel oil after the three-stage separation flows out from the oil outlet end 4.

The working principle is as follows: during operation, the engine is connected to oil outlet end 4, under the engine suction effect, fuel in the oil tank gets into the filter, the fuel filters large granule impurity through outer core filter media 101 earlier when passing through the product, the oil-water separation in the fuel is carried out through hydrophobic filter screen 300 to the fuel after the filtration, moisture after the separation is discharged through outer core lower cover 104 centre bore 105 through self gravity, non-aqueous fuel gets into in hydrophobic filter screen 300, the fuel flows into inner core lower cover 203 fuel passageway 204 through hydrophobic filter screen 300 upper end, filter the tiny granule in the fuel through inner core filter media 201, through oil outlet end 4 entering engine.

Example two

The utility model provides an in addition provide a fire oil cleaner, including the filter casing, be equipped with the filter core assembly of embodiment one in the filter casing, connected mode is known in the art between filter core assembly and the filter casing, and no longer the description here.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

Claims

1. The three-stage fuel filter element assembly is characterized by comprising an outer core assembly (1), an inner core assembly (2) and a hydrophobic net assembly (3), wherein an outer core inner cavity (108) is formed in the outer core assembly (1), the inner core assembly (2) and the hydrophobic net assembly (3) are arranged in the outer core inner cavity (108), the outer core assembly (1) is not communicated with the inner core assembly (2), an inlet of the hydrophobic net assembly (3) is communicated with an outlet of the outer core assembly (1), and an outlet of the hydrophobic net assembly (3) is communicated with an inlet of the inner core assembly (2);

when the filter element assembly filters, fuel oil passes through the outer core assembly (1), the hydrophobic net assembly (3) and the inner core assembly (2) in sequence, and three-stage filtration is achieved.

2. The fuel filter cartridge assembly of claim 1, wherein the inner core assembly (2) is disposed at an upper portion of the outer core cavity (108), and the hydrophobic mesh assembly (3) is disposed at a lower portion of the outer core cavity (108) and below the inner core assembly (2).

3. The three-stage fuel filter element assembly according to claim 1 or 2, wherein the outer core assembly (1) comprises an outer core framework (102), an outer core filter material (101) is arranged on the surface of the outer core framework (102), the outer core filter material (101) is used for filtering large-particle impurities, the upper end and the lower end of the outer core framework (102) are respectively connected with an outer core upper cover (100) and an outer core lower cover (103), and a central hole (104) is formed in the outer core lower cover (103).

4. The fuel filter element assembly with the three-stage filtration function as recited in claim 3, wherein the outer core inner cavity (108) is located in the outer core framework (102), the portion, on the outer core framework (102), of the inner core component (2) is of a solid structure, and the portion, on the outer core framework (102), of the hydrophobic net component (3) is of a hollow structure.

5. The fuel filter cartridge assembly of claim 4, wherein the outer surface of the solid structure of the outer core frame (102) is provided with flow guiding ribs (107).

6. The fuel filter cartridge assembly of claim 5, wherein the flow guiding ribs (107) are arranged in a downward and staggered manner.

7. A three-stage filter fuel filter cartridge assembly as claimed in claim 1, 2, 4, 5 or 6, wherein the hydrophobic screen assembly (3) comprises a hydrophobic skeleton (301) and an external hydrophobic screen (300), the hydrophobic screen (300) is made of oleophilic and hydrophobic material for oil-water separation.

8. The fuel filter element assembly with the three-stage filtration function as claimed in claim 1, 2, 4, 5 or 6, wherein the inner core assembly (2) comprises an inner core framework (202), the surface of the inner core framework (202) is provided with an inner core filter material (201), the inner core filter material (201) is used for filtering fine particle impurities, the upper end and the lower end of the inner core framework (202) are respectively connected with an inner core upper cover (200) and an inner core lower cover (203), and a fuel channel (204) is formed in the position of the inner core lower cover (203).

9. The fuel filter cartridge assembly as recited in claim 1, 2, 4, 5 or 6, wherein the outer core inner cavity (108) is sealed with the inner core component (2) and the hydrophobic net component (3) by a seal ring.

10. A fuel filter comprising a filter housing, wherein a filter cartridge assembly as claimed in claim 1, 2, 4, 5 or 6 is provided in the filter housing.