CN220726404U - Double paper core engine oil filter - Google Patents
Double paper core engine oil filter Download PDFInfo
- Publication number
- CN220726404U CN220726404U CN202322294796.3U CN202322294796U CN220726404U CN 220726404 U CN220726404 U CN 220726404U CN 202322294796 U CN202322294796 U CN 202322294796U CN 220726404 U CN220726404 U CN 220726404U
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- Prior art keywords
- bypass valve
- oil
- filter
- paper
- core
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- 239000010705 motor oil Substances 0.000 title claims description 39
- 239000008358 core component Substances 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 67
- 230000000903 blocking effect Effects 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 230000009977 dual effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 18
- 239000012535 impurity Substances 0.000 abstract description 12
- 239000000306 component Substances 0.000 description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to the technical field of oil filters, in particular to a double-paper-core oil filter, which comprises a shell, wherein a screw plate is riveted at an opening of the shell, an oil inlet and an oil outlet are formed in the screw plate, the oil outlet is positioned in the middle of the screw plate, two groups of filter core components are arranged in the shell, the two groups of filter core components are vertically arranged at the same center of a circle, and the oil outlet is communicated with the inside of the filter core components; through leading in the filter with the oil inlet in, the oil is filtered the impurity of getting rid of after through arbitrary a set of filter core subassembly, flows from the oil-out in the center tube through the filter core subassembly, through setting up two sets of filter core subassemblies, and two sets of filter core subassemblies all can filter the impurity in the oil, and filtration area is big, and filtration efficiency is high, and when a set of filter core subassembly surface was blocked up, the oil can be filtered through another set of filter core subassembly, reduces the possibility that the oil is unfiltered.
Description
Technical Field
The utility model relates to the field of oil filters, in particular to a double-paper-core oil filter.
Background
The engine oil filter, also called engine oil lattice, is used to remove dust, metal particles, carbon precipitate, soot particles and other impurities in engine oil and protect engine.
The inside of current oil cleaner is single filter core, for example the oil cleaner that proposes in patent application number "CN202121596275.8", through structure such as filter screen, magnetism suction piece, can filter the impurity in the engine oil, and it is main to be filtered through a set of filter core.
In the prior art, for example, an oil filter proposed in patent application number CN202121596275.8 is provided with a set of filter elements to filter and remove impurities in oil, when the surface of the filter element is blocked, no additional filter element is used to filter, the filter cannot achieve the filtering effect, and the filtering area is smaller, so that the filtering efficiency is lower, and therefore, a double-paper-core oil filter is proposed.
Disclosure of Invention
The utility model aims to provide a double-paper-core engine oil filter so as to solve the problems in the prior art.
The aim of the utility model can be achieved by the following technical scheme:
the double-paper-core engine oil filter comprises a shell, wherein a screw plate is riveted at the opening of the shell, an oil inlet and an oil outlet are formed in the screw plate, the oil outlet is positioned in the middle of the screw plate, two groups of filter core components are arranged in the shell, the two groups of filter core components are vertically arranged in concentric centers, and the oil outlet is communicated with the inside of the filter core components;
the filter element assembly comprises a central tube, the central tube is arranged in the center of the inside of the shell, a filter paper cylinder is sleeved outside the central tube, two ends of the filter paper cylinder are fixedly connected with a paper core upper cover and a paper core lower cover respectively, one ends of the paper core upper cover and the paper core lower cover are located outside the filter paper cylinder, the other ends of the paper core upper cover and the paper core lower cover are clamped inside the central tube, a bypass valve assembly is arranged at the end part of the filter element assembly far away from an oil inlet, and an O-shaped ring is clamped between the two groups of filter element assemblies in a sealing mode.
Preferably, an outer sealing ring is clamped between the screw plate and the shell, and an inner sealing ring is clamped between the filter element component close to the oil inlet and the screw plate.
Preferably, two groups of guide pipes are arranged in the central pipe close to the oil outlet, one group of guide pipes is cylindrical, the other group of guide pipes is conical, the ends of the cylindrical guide pipes are inserted into the conical guide pipes, and a gap is reserved between the ends of the two groups of guide pipes.
Preferably, the end part of the inner wall of the shell is fixedly connected with a supporting spring, and the end part of the supporting spring is clamped at one end of the filter element assembly.
Preferably, the bypass valve assembly comprises a bypass valve support, the bypass valve support is fixedly connected to a paper core lower cover far away from the oil outlet, the bypass valve support is located inside the filter element assembly, holes are formed in the side wall of the bypass valve support, a bypass valve spring is fixedly connected to the inside of the bypass valve support, a bypass valve gasket is fixedly connected to the inside of the bypass valve support, a bypass valve pressing sheet is connected to the inside of the bypass valve support in a sliding mode, the bypass valve pressing sheet is located on one side, far away from the supporting spring, of the bypass valve pressing sheet, and the bypass valve pressing sheet is clamped at the end portion of the bypass valve spring.
Preferably, the outer side wall of the inner sealing ring is fixedly connected with a supporting pad and a blocking pad, the supporting pad is obliquely arranged, the blocking pad is horizontally arranged, the end part of the blocking pad is matched with the inner wall of the shell, and the end part of the supporting pad is matched with the lower end of the blocking pad.
The utility model has the beneficial effects that:
according to the utility model, the engine oil is introduced into the filter from the oil inlet, and after the engine oil is filtered by any one group of filter element components to remove impurities, the engine oil flows out from the oil outlet through the central pipe of the filter element components, and by arranging two groups of filter element components, the two groups of filter element components can filter impurities in the engine oil, so that the filtering area is large, the filtering efficiency is high, and when the surface of one group of filter element components is blocked, the engine oil can be filtered by the other group of filter element components, so that the possibility that the engine oil is not filtered is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B of FIG. 1;
reference numerals in the drawings are as follows:
1. an outer seal ring; 2. a screw plate; 3. an inner seal ring; 4. a paper core upper cover; 5. a flow guiding pipe; 6. a central tube; 7. a filter paper tube; 8. a paper core lower cover; 9. an O-ring; 10. a bypass valve holder; 11. a bypass valve spring; 12. tabletting by a bypass valve; 13. a bypass valve gasket; 14. a support spring; 15. a housing; 16. a support pad; 17. a blocking pad; 18. an oil inlet; 19. an oil outlet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The double-paper-core engine oil filter comprises a shell 15, wherein a screw plate 2 is riveted at the opening of the shell 15, an oil inlet 18 and an oil outlet 19 are formed in the screw plate 2, the oil outlet 19 is positioned in the middle of the screw plate 2, two groups of filter core components are arranged in the shell 15, the two groups of filter core components are vertically arranged in concentric circles, and the oil outlet 19 is communicated with the inside of the filter core components;
the filter element assembly comprises a central tube 6, the central tube 6 is arranged in the center of the inside of a shell 15, a filter paper cylinder 7 is sleeved outside the central tube 6, two ends of the filter paper cylinder 7 are fixedly connected with a paper core upper cover 4 and a paper core lower cover 8 respectively, one ends of the paper core upper cover 4 and the paper core lower cover 8 are located outside the filter paper cylinder 7, the other ends of the paper core upper cover 4 and the paper core lower cover 8 are clamped inside the central tube 6, a bypass valve assembly is arranged at the end part of the filter element assembly far away from an oil inlet 18, and an O-shaped ring 9 is clamped between the two groups of filter element assemblies in a sealing mode.
In the prior art, for example, in an oil filter proposed in patent application number CN202121596275.8, a group of filter elements are arranged in the oil filter to remove impurities in oil, when the surface of the filter element is blocked, no additional filter element is used for filtering, the filter cannot play a role in filtering, and the filtering area is smaller, so that the filtering efficiency is lower, as shown in fig. 1-3, the upper paper element cover 4 and the lower paper element cover 8 can mount the central tube 6 and the filter paper tube 7 together, the upper end and the lower end of the filter element assembly can only pass through the middle part of the central tube 6, the side wall of the central tube 6 is provided with a plurality of holes, so that filtered oil can conveniently pass through the central tube 6, the oil is introduced into the filter from the oil inlet 18, the oil can pass through the screw plate 2, after the oil has a certain pressure, the engine oil can flow out from the oil outlet 19 in the center tube 6 through the filter element components after impurities are removed through the filter element components after the engine oil passes through the filter element components, and through setting up two groups of filter element components, the two groups of filter element components are sealed through the O-shaped ring 9, and the two groups of filter element components can both filter the impurities in the engine oil, and filtration area is big, filtration efficiency is high, and when the filter element component surface of one group is blocked, the engine oil can be filtered through another group of filter element components, the possibility that the engine oil is not filtered is reduced, and when the filter element components of two groups all lose the filtering function or the oil pressure in the filter is too high, the engine oil can enter the center tube 6 through the bypass valve component, so as to prevent the insufficient oil supply to the engine.
An outer sealing ring 1 is clamped between the screw plate 2 and the shell 15, and an inner sealing ring 3 is clamped between the filter element component close to the oil inlet 18 and the screw plate 2.
As shown in fig. 1-3, an outer seal ring 1 seals between the screw plate 2 and the housing, and an inner seal ring 3 seals between the screw plate 2 and the cartridge assembly.
Two groups of guide pipes 5 are arranged in the central pipe 6 close to the oil outlet 19, one group of guide pipes 5 is cylindrical, the other group of guide pipes 5 is conical, the end parts of the cylindrical guide pipes 5 are inserted into the conical guide pipes 5, and a gap exists between the end parts of the two groups of guide pipes 5.
As shown in fig. 1, the engine oil filtered by the filter element assembly far from the oil inlet 18 enters the central tube 6, flows into the central tube 6 of the other group, flows along the two groups of flow guide tubes 5 to the oil outlet 19, and the engine oil filtered by the filter element assembly near to the oil inlet 18 enters the central tube 6 and flows from the gap between the two groups of flow guide tubes 5 to the oil outlet 19.
The end part of the inner wall of the shell 15 is fixedly connected with a supporting spring 14, and the end part of the supporting spring 14 is clamped at one end of the filter element assembly.
As shown in fig. 1, the support spring 14 prevents contact between the cartridge assembly and the housing 15, and serves as a support.
The bypass valve assembly comprises a bypass valve support 10, the bypass valve support 10 is fixedly connected to a paper core lower cover 8 far away from an oil outlet 19, the bypass valve support 10 is located inside the filter element assembly, holes are formed in the side wall of the bypass valve support 10, a bypass valve spring 11 is fixedly connected to the inside of the bypass valve support 10, a bypass valve gasket 13 is fixedly connected to the inside of the bypass valve support 10, a bypass valve pressing sheet 12 is slidably connected to the inside of the bypass valve support 10, the bypass valve pressing sheet 12 is located on one side, far away from a supporting spring 14, of the bypass valve gasket 13, and the bypass valve pressing sheet 12 is clamped at the end of the bypass valve spring 11.
As shown in fig. 1, the bypass valve assembly and the paper core lower cover 8 are sealed, only the bypass valve pressing sheet 12 is extruded to enable engine oil to flow through the paper core lower cover 8, when the filter core assembly is blocked or the oil pressure in the filter is too high, the engine oil can be coarsely filtered through the bypass valve pressing sheet 13, and then the bypass valve pressing sheet 12 is extruded, so that the bypass valve spring 11 is compressed, and the engine oil can flow into the central tube 6 from the hole of the bypass valve bracket 10, so as to prevent insufficient oil supply to the engine.
The outer side wall of the inner sealing ring 3 is fixedly connected with a supporting pad 16 and a blocking pad 17, the supporting pad 16 is obliquely arranged, the blocking pad 17 is horizontally arranged, the end part of the blocking pad 17 is matched with the inner wall of the shell 15, and the end part of the supporting pad 16 is matched with the lower end of the blocking pad 17.
As shown in fig. 2, when the oil pressure of the oil inlet 18 reaches a certain level, the blocking pad 17 is extruded to enable the blocking to be inclined away from the oil outlet 19, a gap is formed between the blocking pad 17 and the housing 15, meanwhile, the supporting pad 16 is inclined towards the housing 15, engine oil can flow between the filter element assembly and the housing 15 from the gap, when the engine stops running, external oil supply is stopped, the blocking pad 17 and the supporting pad 16 are reset, the engine oil in the filter is prevented from flowing back, and the serious abrasion caused by longer oil supply time in the next engine starting time is prevented.
The working principle of the double-paper-core engine oil filter provided by the utility model is as follows:
oil is introduced into the filter from the oil inlet 18, the engine oil can pass through the screw plate 2, after the engine oil has certain pressure, the blocking pad 17 can be extruded, the blocking is far away from the oil outlet 19 and is inclined, at the moment, a gap is formed between the blocking pad 17 and the shell 15, the supporting pad 16 is inclined towards the direction of the shell 15, the engine oil can flow into the space between the filter element assemblies and the shell 15 from the gap, after impurities are removed through filtration of any group of filter element assemblies, the engine oil flows out from the oil outlet 19 through the central tube 6 of the filter element assemblies, two groups of filter element assemblies are arranged, the two groups of filter element assemblies are sealed through the O-shaped ring 9, the impurities in the engine oil can be filtered by the two groups of filter element assemblies, the filtering area is large, the filtering efficiency is high, and when one group of filter element assemblies is blocked, the engine oil can be filtered by the other group of filter element assemblies, the possibility that the engine oil is not filtered is reduced, and when the two groups of filter element assemblies lose the filtering function or the oil pressure in the filter is too high, the engine oil can flow into the central tube 6 through the bypass valve assembly, so that the engine oil is not supplied enough.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. The double-paper-core engine oil filter comprises a shell (15) and is characterized in that a screw plate (2) is riveted at an opening of the shell (15), an oil inlet (18) and an oil outlet (19) are formed in the screw plate (2), the oil outlet (19) is positioned in the middle of the screw plate (2), two groups of filter core components are arranged in the shell (15), the two groups of filter core components are vertically arranged at the same center, and the oil outlet (19) is communicated with the inside of the filter core components;
the filter element assembly comprises a central tube (6), the central tube (6) is arranged in the center of the inside of a shell (15), a filter paper cylinder (7) is sleeved outside the central tube (6), two ends of the filter paper cylinder (7) are fixedly connected with a paper core upper cover (4) and a paper core lower cover (8) respectively, one ends of the paper core upper cover (4) and the paper core lower cover (8) are located outside the filter paper cylinder (7), the other ends of the paper core upper cover and the paper core lower cover (8) are clamped inside the central tube (6), a bypass valve assembly is arranged at the end part of the filter element assembly far away from an oil inlet (18), and an O-shaped ring (9) is clamped between the two groups of filter element assemblies in a sealing mode.
2. The dual-paper-core oil filter according to claim 1, wherein an outer sealing ring (1) is clamped between the screw plate (2) and the housing (15), and an inner sealing ring (3) is clamped between the filter core assembly close to the oil inlet (18) and the screw plate (2).
3. The dual-paper-core oil filter according to claim 2, wherein two groups of guide pipes (5) are arranged in the central pipe (6) close to the oil outlet (19), one group of guide pipes (5) is cylindrical, the other group of guide pipes (5) is conical, the ends of the cylindrical guide pipes (5) are inserted into the conical guide pipes (5), and a gap exists between the ends of the two groups of guide pipes (5).
4. The dual paper core oil filter according to claim 3, wherein a supporting spring (14) is fixedly connected to the end portion of the inner wall of the housing (15), and the end portion of the supporting spring (14) is clamped at one end of the filter core assembly.
5. The dual-paper-element oil filter according to claim 4, wherein the bypass valve assembly comprises a bypass valve support (10), the bypass valve support (10) is fixedly connected to a paper element lower cover (8) far away from an oil outlet (19), the bypass valve support (10) is located inside the filter element assembly, a hole is formed in the side wall of the bypass valve support (10), a bypass valve spring (11) is fixedly connected to the inside of the bypass valve support (10), a bypass valve gasket (13) is fixedly connected to the inside of the bypass valve support (10), a bypass valve pressing piece (12) is slidably connected to the inside of the bypass valve support (10), the bypass valve pressing piece (12) is located on one side, far away from the support spring (14), of the bypass valve gasket (13), and the bypass valve pressing piece (12) is clamped to the end portion of the bypass valve spring (11).
6. The dual-paper-core oil filter according to claim 5, wherein the outer side wall of the inner sealing ring (3) is fixedly connected with a supporting pad (16) and a blocking pad (17), the supporting pad (16) is obliquely arranged, the blocking pad (17) is horizontally arranged, the end part of the blocking pad (17) is matched with the inner wall of the shell (15), and the end part of the supporting pad (16) is matched with the lower end of the blocking pad (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322294796.3U CN220726404U (en) | 2023-08-24 | 2023-08-24 | Double paper core engine oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322294796.3U CN220726404U (en) | 2023-08-24 | 2023-08-24 | Double paper core engine oil filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220726404U true CN220726404U (en) | 2024-04-05 |
Family
ID=90524844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322294796.3U Active CN220726404U (en) | 2023-08-24 | 2023-08-24 | Double paper core engine oil filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220726404U (en) |
-
2023
- 2023-08-24 CN CN202322294796.3U patent/CN220726404U/en active Active
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| GR01 | Patent grant | ||
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