CN112049743A - Oil-water separation and precise filtration fuel filter - Google Patents
Oil-water separation and precise filtration fuel filter Download PDFInfo
- Publication number
- CN112049743A CN112049743A CN202011040603.6A CN202011040603A CN112049743A CN 112049743 A CN112049743 A CN 112049743A CN 202011040603 A CN202011040603 A CN 202011040603A CN 112049743 A CN112049743 A CN 112049743A
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- Prior art keywords
- oil
- filter
- end cover
- water separation
- shell
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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
- F02M37/00—Apparatus 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
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements 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
- F02M37/34—Arrangements 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
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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
- F02M37/00—Apparatus 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
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/24—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by water separating means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses an oil-water separation and precise filtration fuel filter, which belongs to the field of filter devices and comprises a shell, wherein a rubber ring is fixedly welded at the upper end of the shell, the outer side of the upper end of the shell is connected with an upper shell through threads, a sealing ring is fixedly welded at the upper end of the upper shell, a plurality of oil holes are formed in the upper shell, an oil pipe is fixedly connected in the upper shell, the lower end of the oil pipe is fixedly connected with an upper end cover, a filter screen is fixedly welded at the lower end of the upper end cover, and the oil-water separation and precise filtration fuel filter can enlarge the oil inlet amount and increase the working efficiency of the filter by designing the upper end cover into a slope structure and drilling the plurality of oil holes in the upper shell; the polyester fiber coalescence filter element and the glass fiber coalescence filter element are adhered to the outer side of the filter paper, so that the gasoline filtering effect can be enlarged, the gasoline filtering quality can be improved, and the filtering precision of gasoline can be improved by the polyester fiber coalescence filter element.
Description
Technical Field
The invention relates to the field of filter devices, in particular to a fuel filter for oil-water separation and precise filtration.
Background
The gasoline filter is called gasoline filter for short. The gasoline filter is divided into a carburetor type gasoline filter and an electric injection type gasoline engine using the carburetor, the gasoline filter is positioned on one side of an inlet of an oil delivery pump, the working pressure is low, a nylon shell is generally adopted, the gasoline filter of the electric injection type engine is positioned on one side of an outlet of the oil delivery pump, the working pressure is high, and a metal shell is generally adopted. The filter element of the gasoline filter mostly adopts filter paper, and the gasoline filter using nylon cloth and high polymer materials also has the main function of filtering impurities in gasoline.
Present oil-water separation, fine filtration fuel filter, the upper end cover of filter pastes closely the casing for the inlet port size of going up the casing is limited, seriously influences the oil input, reduces the work efficiency of filter, and simultaneously, the filter equipment of single filter paper structure is limited to the filterable effect of petrol. Accordingly, there is a need for improvements in the art.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an oil-water separation and precise filtration fuel filter, which can enlarge the oil inlet amount and increase the working efficiency of the filter by designing an upper end cover into a slope structure and drilling a plurality of oil holes in an upper shell, and the design of the upper end cover can guide the oil flow direction and improve the rapid flow of gasoline; the polyester fiber coalescence filter element and the glass fiber coalescence filter element are adhered to the outer side of the filter paper, so that the gasoline filtering effect can be enlarged, the gasoline filtering quality can be improved, and the filtering precision of gasoline can be improved by the polyester fiber coalescence filter element.
In order to solve the above problems, the present invention adopts the following technical solutions.
An oil-water separation and precise filtration fuel filter comprises a shell, wherein the upper end of the shell is fixedly welded with a rubber ring, the outer side of the upper end of the shell is connected with an upper shell through threads, the upper end of the upper shell is fixedly welded with a sealing ring, a plurality of oil holes are arranged in the upper shell, an oil pipe is fixedly connected in the upper shell, the lower end of the oil pipe is fixedly connected with an upper end cover, the lower end of the upper end cover is fixedly welded with a filter screen, the lower end of the filter screen is fixedly connected with a lower end cover, the lower end surface of the upper end cover is fixedly adhered with filter paper, the fuel oil filter for oil-water separation and precise filtration is characterized in that an upper end cover is designed into a slope structure, a plurality of oil holes are drilled in an upper shell, the oil inlet amount can be enlarged, the working efficiency of the filter is increased, the design of the upper end cover can guide the flow direction of oil mass, and the quick flow of gasoline is improved; the polyester fiber coalescence filter element and the glass fiber coalescence filter element are adhered to the outer side of the filter paper, so that the gasoline filtering effect can be enlarged, the gasoline filtering quality can be improved, and the filtering precision of gasoline can be improved by the polyester fiber coalescence filter element.
Further, a polyester fiber coalescence filter element is fixedly adhered to the lower end face of the upper end cover.
Furthermore, a glass fiber coalescence filter element is fixedly adhered to the lower end face of the upper end cover.
Furthermore, the upper end cover is the domatic structure structural design, through designing the upper end cover into domatic structure to it has a plurality of oilholes to bore in last casing inside, can enlarge oil feed volume, increases the work efficiency of filter.
Further, inside and the inside intercommunication of upper end cover of oil pipe, the design of upper end cover can the direction oil mass flow direction, improves the petrol and flows fast.
Furthermore, the outer side of the filter paper is tightly attached to the polyester fiber coalescence filter element.
Furthermore, the outer side of the filter screen is tightly attached to the filter paper, and the polyester fiber coalescence filter element and the glass fiber coalescence filter element are adhered to the outer side of the filter paper, so that the gasoline filtering effect can be enlarged, and the gasoline filtering quality can be improved.
Furthermore, the outer side of the polyester fiber coalescence filter element is tightly attached to the glass fiber coalescence filter element, and the polyester fiber coalescence filter element can improve the filtering precision of gasoline.
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the upper end cover is designed into a slope surface structure, the plurality of oil holes are drilled in the upper shell, the oil inlet amount can be enlarged, the working efficiency of the filter is improved, the oil flow direction can be guided by the design of the upper end cover, and the quick flow of gasoline is improved; the polyester fiber coalescence filter element and the glass fiber coalescence filter element are adhered to the outer side of the filter paper, so that the gasoline filtering effect can be enlarged, the gasoline filtering quality can be improved, and the filtering precision of gasoline can be improved by the polyester fiber coalescence filter element.
(2) The upper end cover is slope surface structure design, and through designing the upper end cover into slope surface structure to it has a plurality of oilholes to bore in last casing inside, can enlarge oil feed volume, increases the work efficiency of filter.
(3) Inside and the inside intercommunication of upper end cover of oil pipe, the oil mass flow direction can be led in the design of upper end cover, improves the petrol and flows fast.
(4) The outer side of the filter paper is tightly attached to the polyester fiber coalescence filter element, the outer side of the filter screen is tightly attached to the filter paper, and the polyester fiber coalescence filter element and the glass fiber coalescence filter element are bonded to the outer side of the filter paper, so that the gasoline filtering effect can be enlarged, and the gasoline filtering quality can be improved.
(5) The outer side of the polyester fiber coalescence filter element is tightly attached to the glass fiber coalescence filter element, and the polyester fiber coalescence filter element can improve the filtering precision of gasoline.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The reference numbers in the figures illustrate:
1 shell, 11 rubber rings, 12 upper shell, 13 sealing rings, 14 oil holes, 2 oil pipes, 21 upper end cover, 22 filter screen, 23 lower end cover, 24 filter paper, 25 polyester fiber coalescing filter element and 26 glass fiber coalescing filter element.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Referring to fig. 1, an oil-water separation and precise filtration fuel filter comprises a housing 1, a rubber ring 11 is fixedly welded at the upper end of the housing 1, an upper housing 12 is connected to the outer side of the upper end of the housing 1 through threads, a sealing ring 13 is fixedly welded at the upper end of the upper housing 12, a plurality of oil holes 14 are formed in the upper housing 12, an oil pipe 2 is fixedly connected to the inside of the upper housing 12, an upper end cover 21 is fixedly connected to the lower end of the oil pipe 2, a filter screen 22 is fixedly welded at the lower end of the upper end cover 21, a lower end cover 23 is fixedly connected to the lower end of the filter screen 22, filter paper 24 is fixedly adhered to the lower end face of the upper end cover 21, a polyester fiber coalescing filter element 25 is fixedly adhered to the lower end face of the upper end cover 21, and a glass fiber.
Referring to fig. 1, the upper end cap 21 is designed to have a slope structure, and a plurality of oil holes are drilled in the upper shell 12, so that the oil inlet amount can be increased, the working efficiency of the filter can be increased, the inside of the oil pipe 2 is communicated with the inside of the upper end cap 21, and the design of the upper end cap 21 can guide the oil flow direction, thereby improving the rapid flow of gasoline.
Referring to fig. 1, the outer side of the filter paper 24 is tightly attached to the polyester fiber coalescing filter element 25, the outer side of the filter screen 22 is tightly attached to the filter paper 24, the outer side of the filter paper 24 is bonded with the polyester fiber coalescing filter element 25 and the glass fiber coalescing filter element 26, so that the gasoline filtering effect can be enlarged, the gasoline filtering quality can be improved, the outer side of the polyester fiber coalescing filter element 25 is tightly attached to the glass fiber coalescing filter element 26, and the polyester fiber coalescing filter element 25 can improve the gasoline filtering precision.
This oil-water separation, fine filtration fuel filter is through designing into domatic structure with upper end cover 21 to at the inside a plurality of oilholes of boring of upper housing 12, can enlarge oil input, the work efficiency of increase filter, through gluing polyester fiber coalescence filter core 25 and glass fiber coalescence filter core 26 in the filter paper 24 outsides, can enlarge the petrol filter effect, improve petrol filtration quality.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (8)
1. The utility model provides an oil-water separation, secondary filter fuel filter, includes shell (1), its characterized in that: the fixed butt fusion in upper end of shell (1) has rubber circle (11), there is last casing (12) in the upper end outside of shell (1) through threaded connection, the fixed butt fusion in upper end of going up casing (12) has sealing washer (13), the inside of going up casing (12) is provided with a plurality of oilholes (14), the inside fixedly connected with oil pipe (2) of going up casing (12), the lower extreme fixedly connected with upper end cover (21) of oil pipe (2), the fixed butt fusion of lower extreme of upper end cover (21) has filter screen (22), the lower extreme fixedly connected with lower extreme end cover (23) of filter screen (22), the lower terminal surface of upper end cover (21) is fixed to be glued filter paper (24).
2. The oil-water separation and precise filtration fuel filter of claim 1, wherein: and a polyester fiber coalescence filter element (25) is fixedly adhered to the lower end face of the upper end cover (21).
3. The oil-water separation and precise filtration fuel filter of claim 1, wherein: and a glass fiber coalescence filter element (26) is fixedly adhered to the lower end face of the upper end cover (21).
4. The oil-water separation and precise filtration fuel filter of claim 1, wherein: the upper end cover (21) is designed to be a slope structure.
5. The oil-water separation and precise filtration fuel filter of claim 1, wherein: the interior of the oil pipe (2) is communicated with the interior of the upper end cover (21).
6. The oil-water separation and precise filtration fuel filter of claim 1, wherein: the outer side of the filter paper (24) is tightly attached to the polyester fiber coalescing filter element (25).
7. The oil-water separation and precise filtration fuel filter of claim 1, wherein: the outer side of the filter screen (22) is tightly attached to the filter paper (24).
8. The oil-water separation and precise filtration fuel filter of claim 2, wherein: the outer side of the polyester fiber coalescence filter element (25) is tightly attached to the glass fiber coalescence filter element (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011040603.6A CN112049743A (en) | 2020-09-28 | 2020-09-28 | Oil-water separation and precise filtration fuel filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011040603.6A CN112049743A (en) | 2020-09-28 | 2020-09-28 | Oil-water separation and precise filtration fuel filter |
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| Publication Number | Publication Date |
|---|---|
| CN112049743A true CN112049743A (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011040603.6A Pending CN112049743A (en) | 2020-09-28 | 2020-09-28 | Oil-water separation and precise filtration fuel filter |
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| CN (1) | CN112049743A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193028A (en) * | 2021-11-26 | 2022-03-18 | 中国核工业第五建设有限公司 | Protective gas purity improving device, protective gas purifying method and welding protection method |
-
2020
- 2020-09-28 CN CN202011040603.6A patent/CN112049743A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193028A (en) * | 2021-11-26 | 2022-03-18 | 中国核工业第五建设有限公司 | Protective gas purity improving device, protective gas purifying method and welding protection method |
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