CN111305987A - Fuel filter structure convenient to clean and maintain - Google Patents
Fuel filter structure convenient to clean and maintain Download PDFInfo
- Publication number
- CN111305987A CN111305987A CN202010125137.5A CN202010125137A CN111305987A CN 111305987 A CN111305987 A CN 111305987A CN 202010125137 A CN202010125137 A CN 202010125137A CN 111305987 A CN111305987 A CN 111305987A
- Authority
- CN
- China
- Prior art keywords
- filter element
- shell
- oil
- upper cover
- sealing ring
- 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
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000003921 oil Substances 0.000 claims abstract description 32
- 238000012423 maintenance Methods 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 239000000295 fuel oil Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 5
- 230000008021 deposition Effects 0.000 claims description 5
- 238000011045 prefiltration Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011084 recovery Methods 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
- 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
-
- 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
- F02M37/30—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by heating means
-
- 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
- F02M37/42—Installation or removal of filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a fuel filter structure convenient to clean and maintain, and belongs to the field of automobile parts. The screw plug is connected with the upper end of the upper cover; the lower end of the upper cover is connected with the shell; the main sealing ring of the filter element is contacted with the annular wall-shaped structure of the shell to realize sealing, or is switched through the disc heater; the upper end of the filter element is contacted with the upper cover, the lower end of the central tube is fixedly arranged on the shell, and the disc heater is positioned between the filter element and the shell; the oil inlet is arranged below the position of the filter element sealing structure, so that the liquid level can be reduced to the position below the filter element, and dirty oil and clean oil are thoroughly separated. Has the advantages that: the oil return utilization rate is high; the cleaning and maintenance are convenient, the fuel oil and particles in the dirty side space are completely separated from the clean side space, and the pollution to the clean side space can not be caused in the maintenance process. The maintenance is efficient and convenient, and the upper cover can be only required to be dismounted, the upper cover can be dismounted, the filter element can be replaced by a new filter element, and the upper cover screw plug can be locked. Novel conception, simple structure and convenient use. The practicability is strong.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a fuel filter structure convenient to clean and maintain.
Background
With the increasing environmental pollution, the requirements of vehicle emission regulations are becoming more and more strict, and the requirements of fuel systems of engines are also higher, and especially the requirements of performance and clean maintenance of a filter for protecting the fuel systems are also increasing. Therefore, the fuel prefilter (strainer) is widely used.
The conventional fuel prefilter generally has two structures, namely a rotary mounting structure and a modular structure, wherein the rotary mounting structure is relatively simple to maintain and operate, but a filter element and a metal tank body of the prefilter need to be integrally replaced, and fuel in the tank needs to be discarded; there are also two types of existing modular structures: dismantle the lower maintenance structure of filter core and dismantle the last maintenance structure of filter core in the module top promptly in the module below, maintain the problem that the structure can't avoid the rotary-installation formula structure down, and go up and maintain the structure and generally arrange the oil inlet in filter core sealing washer top, when changing the filter core, dirty oil can't be discharged completely, in case the filter core is taken out, seal structure is destroyed, dirty oil will mix with clean side fuel, causes the pollution to clean side. Improvements are needed.
Disclosure of Invention
The invention aims to provide a fuel filter structure convenient to clean and maintain, and solves the problems in the prior art. Aiming at the cleaning and maintenance functions of the fuel filter, the technology is improved on the structure of the fuel filter, and the cleaning and maintenance convenience and the fuel recovery rate are improved.
The above object of the present invention is achieved by the following technical solutions:
the fuel filter structure convenient for cleaning and maintenance is characterized in that a spiral plug 1 is connected with the upper end of an upper cover 2; the lower end of the upper cover 2 is connected with the shell 5; the main sealing ring 3-1 of the filter element 3 is contacted with the annular wall-shaped structure of the shell 5 to realize sealing, or is switched by the disc heater 6; the upper end of the filter element 3 is contacted with the upper cover 2, the lower end of the central tube 4 is fixedly arranged on the shell 5, and the disc heater 6 is positioned between the filter element 3 and the shell 5; oil inlet 8 arranges below the 3 seal structure positions of filter core, guarantees that the liquid level can reduce to filter core 3 below, thoroughly separates dirty oil and clean oil.
The main sealing ring 3-1 is arranged at the bottom of the lower end cover of the filter element 3, the main sealing ring 3-1 is in contact with an annular wall-shaped structure corresponding to the shell 5 to realize sealing, fuel oil in a dirty side space is allowed to flow back without hindrance, particles in the dirty side space are smoothly deposited at a dirty particle deposition position 7 of the shell, the liquid level of the dirty oil is lowered to a position of an oil inlet 8 in the filter element replacing process, the fuel oil and the particles in the dirty side space are completely separated from a clean side space, and dry-free pre-cleaning maintenance is realized.
When the main sealing ring 3-1 cannot be arranged at the bottom of the lower end cover of the filter element 3, the main sealing ring 3-1 of the filter element is connected with the annular inner wall of the disc heater 6 in a switching mode through the disc heater 6, the heater sealing ring 6-1 is arranged below the disc structure of the disc heater 6, and the heater sealing ring 6-1 is in contact with the annular wall structure of the shell 5 to achieve sealing.
The filter element 3 is positioned between the upper cover 2 and the shell 5.
The invention has the beneficial effects that:
1. the oil return utilization rate is high: dirty oil is abandoned when the traditional fuel filter is cleaned and maintained, and the fuel oil with the structure is completely recycled.
2. The cleaning and maintenance are convenient: the fuel oil and particles in the dirty side space are completely separated from the clean side space, and the clean side space is not polluted in the maintenance process.
3. Maintain high-efficient convenient: only the screw plug is needed to be disassembled, the upper cover is disassembled, the filter element is replaced by a new filter element, and the screw plug of the upper cover is locked.
4. Novel conception, simple structure and convenient use. The practicability is strong.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention.
FIG. 1 is a schematic cross-sectional view of a primary seal ring of a filter cartridge of the present invention in contact with a corresponding annular wall structure of a housing;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the primary seal ring of the cartridge of the present invention being adapted by an integrated disc heater;
fig. 4 is a partially enlarged view of a portion B in fig. 3.
In the figure: 1. a screw plug; 2. an upper cover; 3. a filter element; 3-1, a main sealing ring; 4. a central tube; 5. a housing; 6. a disc heater; 6-1, a heater sealing ring; 7. a housing dirty particle deposition location; 8. and an oil inlet.
Detailed Description
The details of the present invention and its embodiments are further described below with reference to the accompanying drawings.
Referring to fig. 1 to 4, the fuel filter structure convenient for cleaning and maintenance comprises a screw plug 1, an upper cover 2, a filter element 3, a central tube 4, a shell 5, a disc heater 6, a heater sealing ring 6-1, a dirty particle deposition position 7 of the shell and an oil inlet 8, wherein the screw plug 1 is connected with the upper end of the upper cover 2; the lower end of the upper cover 2 is connected with the shell 5; the main sealing ring 3-1 of the filter element 3 is contacted with the corresponding annular wall-shaped structure of the shell 5 to realize sealing, or is switched by the disc heater 6; the upper end of the filter element 3 is contacted with the upper cover 2, the lower end of the central tube 4 is fixedly arranged on the shell 5, and the disc heater 6 is positioned between the filter element 3 and the shell 5; oil inlet 8 arranges below the 3 seal structure positions of filter core, guarantees that the liquid level can reduce to filter core 3 below, thoroughly separates dirty oil and clean oil.
The main sealing ring 3-1 is arranged at the bottom of the lower end cover of the filter element 3, the main sealing ring 3-1 is in contact with an annular wall-shaped structure corresponding to the shell 5 to realize sealing, fuel oil in a dirty side space is allowed to flow back without hindrance, particles in the dirty side space are smoothly deposited at a dirty particle deposition position 7 of the shell, the liquid level of the dirty oil is lowered to a position of an oil inlet 8 in the filter element replacing process, the fuel oil and the particles in the dirty side space are completely separated from a clean side space, and dry-free pre-cleaning maintenance is realized.
When the main sealing ring 3-1 cannot be arranged at the bottom of the lower end cover of the filter element 3, the main sealing ring 3-1 of the filter element is connected through the disc heater 6 in a switching mode, the main sealing ring 3-1 of the filter element is sealed with the annular inner wall of the disc heater 6, the heater sealing ring 6-1 is arranged below the disc structure of the disc heater 6, and the heater sealing ring 6-1 is in contact with the annular wall structure corresponding to the shell 5 to achieve sealing, so that the same functions as those in the above are achieved.
The filter element 3 is positioned between the upper cover 2 and the shell 5, and is convenient to disassemble and assemble upwards.
Referring to fig. 1 to 3, the working principle of the present invention is as follows:
the utility model provides a fire oil cleaner structure convenient to clean maintenance, when firing oil cleaner and need changing the filter core and maintain, the engine stop work, fuel in the clean side space stops flowing, pull down plug screw 1 this moment, because inside the air admission fires oil cleaner casing, make the fuel can be because the oil inlet 8 backward flow to the oil tank of action of gravity when maintaining the filter, upper cover 2 simultaneously, casing 5, all granules can deposit 7 bottoms at the dirty granule deposit position of casing in the dirty side space that medial surface and filter core 3 surfaces such as disc heater 6 constitute, when the fuel falls to below the filter core 3 position, pull down upper cover 2 and filter core 3, and take out filter core 3 from casing 5, filter core 3 more renew, upper cover 2 and filter core 3 are locked again, plug screw 1, can accomplish the maintenance.
The above description is only a preferred example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like of the present invention shall be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a fire oil filter structure convenient to clean maintenance which characterized in that: the screw plug (1) is connected with the upper end of the upper cover (2); the lower end of the upper cover (2) is connected with the shell (5); the main sealing ring (3-1) of the filter element (3) is contacted with the annular wall-shaped structure of the shell (5) to realize sealing, or is switched through the disc heater (6); the upper end of the filter element (3) is in contact with the upper cover (2), the lower end of the central tube (4) is fixedly arranged on the shell (5), and the disc heater (6) is positioned between the filter element (3) and the shell (5); oil inlet (8) arrange below filter core (3) seal structure position, guarantee that the liquid level can reduce below filter core (3), thoroughly separate dirty oil and clean oil.
2. The fuel filter arrangement for facilitating clean maintenance of claim 1 wherein: the main sealing ring (3-1) is arranged at the bottom of the lower end cover of the filter element (3), the main sealing ring (3-1) is in contact with an annular wall-shaped structure of the shell (5) to realize sealing, fuel oil in a dirty side space is allowed to flow back without obstruction, particles in the dirty side space are smoothly deposited at a dirty particle deposition position (7) of the shell, the liquid level of the dirty oil is reduced to an oil inlet (8) position in the filter element replacement process, the fuel oil and the particles in the dirty side space are completely separated from a clean side space, and dry-free pre-cleaning maintenance is realized.
3. The fuel filter arrangement for facilitating clean maintenance of claim 1 wherein: when the main sealing ring (3-1) cannot be arranged at the bottom of the lower end cover of the filter element (3), the main sealing ring (3-1) is switched through the disc heater (6), the main sealing ring (3-1) is sealed with the annular inner wall of the disc heater (6), the heater sealing ring (6-1) is arranged below the disc structure of the disc heater (6), and the heater sealing ring (6-1) is in contact with the annular wall structure of the shell (5) to realize sealing.
4. The fuel filter arrangement for facilitating clean maintenance of claim 1 wherein: the filter element (3) is positioned between the upper cover (2) and the shell (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010125137.5A CN111305987A (en) | 2020-02-27 | 2020-02-27 | Fuel filter structure convenient to clean and maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010125137.5A CN111305987A (en) | 2020-02-27 | 2020-02-27 | Fuel filter structure convenient to clean and maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111305987A true CN111305987A (en) | 2020-06-19 |
Family
ID=71151586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010125137.5A Pending CN111305987A (en) | 2020-02-27 | 2020-02-27 | Fuel filter structure convenient to clean and maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111305987A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036755A (en) * | 1974-12-19 | 1977-07-19 | Daimler-Benz Aktiengesellschaft | Filter for cleaning lubricating oil in internal combustion engines |
| CN201507370U (en) * | 2009-08-14 | 2010-06-16 | 蚌埠国威滤清器有限公司 | Modularized diesel heating filter |
| CN201588721U (en) * | 2009-12-04 | 2010-09-22 | 北汽福田汽车股份有限公司 | Electrical-heating diesel filter |
| CN203640897U (en) * | 2013-12-19 | 2014-06-11 | 曼胡默尔滤清器（上海）有限公司 | Fuel filter in favor of maintenance |
| CN203939607U (en) * | 2014-07-09 | 2014-11-12 | 浙江鸿锐汽配股份有限公司 | Diesel-oil filter |
| CN109826735A (en) * | 2019-03-25 | 2019-05-31 | 上海弗列加滤清器有限公司 | A kind of element kit and fuel filter |
| CN209818194U (en) * | 2019-03-25 | 2019-12-20 | 上海弗列加滤清器有限公司 | Detachable fuel filter assembly and engineering vehicle |
| CN211950713U (en) * | 2020-02-27 | 2020-11-17 | 长春曼胡默尔富维滤清器有限公司 | Fuel filter structure convenient to clean and maintain |
-
2020
- 2020-02-27 CN CN202010125137.5A patent/CN111305987A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036755A (en) * | 1974-12-19 | 1977-07-19 | Daimler-Benz Aktiengesellschaft | Filter for cleaning lubricating oil in internal combustion engines |
| CN201507370U (en) * | 2009-08-14 | 2010-06-16 | 蚌埠国威滤清器有限公司 | Modularized diesel heating filter |
| CN201588721U (en) * | 2009-12-04 | 2010-09-22 | 北汽福田汽车股份有限公司 | Electrical-heating diesel filter |
| CN203640897U (en) * | 2013-12-19 | 2014-06-11 | 曼胡默尔滤清器（上海）有限公司 | Fuel filter in favor of maintenance |
| CN203939607U (en) * | 2014-07-09 | 2014-11-12 | 浙江鸿锐汽配股份有限公司 | Diesel-oil filter |
| CN109826735A (en) * | 2019-03-25 | 2019-05-31 | 上海弗列加滤清器有限公司 | A kind of element kit and fuel filter |
| CN209818194U (en) * | 2019-03-25 | 2019-12-20 | 上海弗列加滤清器有限公司 | Detachable fuel filter assembly and engineering vehicle |
| CN211950713U (en) * | 2020-02-27 | 2020-11-17 | 长春曼胡默尔富维滤清器有限公司 | Fuel filter structure convenient to clean and maintain |
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