CN211950713U - Fuel filter structure convenient to clean and maintain - Google Patents
Fuel filter structure convenient to clean and maintain Download PDFInfo
- Publication number
- CN211950713U CN211950713U CN202020220907.XU CN202020220907U CN211950713U CN 211950713 U CN211950713 U CN 211950713U CN 202020220907 U CN202020220907 U CN 202020220907U CN 211950713 U CN211950713 U CN 211950713U
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- filter element
- shell
- oil
- upper cover
- sealing ring
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- 239000000446 fuel Substances 0.000 title claims description 21
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000003921 oil Substances 0.000 claims abstract description 35
- 238000012423 maintenance Methods 0.000 claims abstract description 25
- 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 8
- 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
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- Filtration Of Liquid (AREA)
Abstract
The utility model relates to a fire oil filter structure convenient to clean maintenance belongs to the automobile parts field. 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 utility model relates to an automobile parts field, in particular to fire oil filter structure convenient to clean maintenance.
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
An object of the utility model is to provide a fire oil filter structure convenient to clean maintenance has solved the above-mentioned problem that prior art exists. 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 utility model is realized through following technical scheme:
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 beneficial effects of the utility model reside in that:
1. the oil return utilization rate is high: dirty oil abandonment when clean maintenance is strained to traditional fuel, the utility model discloses the structure fuel is by complete recycle.
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 example embodiments of the invention and together with the description serve to explain the invention without limitation.
Fig. 1 is a schematic cross-sectional structural view of the filter element main seal ring of the present invention in contact with a corresponding annular wall-like structure of the housing;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic cross-sectional view of the main seal ring of the filter element of the present invention being switched by the 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 of the present invention comprises a screw plug 1, an upper cover 2, a filter element 3, a central tube 4, a housing 5, a disc heater 6, a heater sealing ring 6-1, a dirty particle deposition position 7 of the housing, 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 made to the present invention should 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 |
|---|---|---|---|
| CN202020220907.XU CN211950713U (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 |
|---|---|---|---|
| CN202020220907.XU CN211950713U (en) | 2020-02-27 | 2020-02-27 | Fuel filter structure convenient to clean and maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211950713U true CN211950713U (en) | 2020-11-17 |
Family
ID=73195810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020220907.XU Active CN211950713U (en) | 2020-02-27 | 2020-02-27 | Fuel filter structure convenient to clean and maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211950713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305987A (en) * | 2020-02-27 | 2020-06-19 | 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 CN202020220907.XU patent/CN211950713U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305987A (en) * | 2020-02-27 | 2020-06-19 | 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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