CN221220592U - Engine oil filter with multistage filtering function - Google Patents
Engine oil filter with multistage filtering function Download PDFInfo
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- CN221220592U CN221220592U CN202323382926.5U CN202323382926U CN221220592U CN 221220592 U CN221220592 U CN 221220592U CN 202323382926 U CN202323382926 U CN 202323382926U CN 221220592 U CN221220592 U CN 221220592U
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- oil
- filter
- inner supporting
- filter paper
- pipe
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- 239000010705 motor oil Substances 0.000 title claims abstract description 51
- 238000001914 filtration Methods 0.000 title claims abstract description 48
- 239000003921 oil Substances 0.000 claims abstract description 86
- 238000007789 sealing Methods 0.000 claims description 7
- 239000010724 circulating oil Substances 0.000 claims description 4
- 239000012535 impurity Substances 0.000 abstract description 7
- 239000000084 colloidal system Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 239000010410 layer Substances 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model belongs to the technical field of oil filters, and particularly discloses an oil filter with a multi-stage filtering function, which is used for solving the technical problems that when the oil is filtered by adopting a mode of combining rough filtration with fine filtration, the volume is large and the occupied space is large; the utility model comprises an upper shell and a lower shell which are connected with each other by screw threads, a filter element arranged between the interiors of the upper shell and the lower shell, the filter element comprises an inner supporting pipe and a stacked filter paper, a plurality of backflow holes which are uniformly distributed are arranged on the inner supporting pipe, the stacked filter paper is coated outside the inner supporting pipe, and an oil filling cavity is arranged between the inner supporting pipe and the inner wall of the lower shell; the utility model realizes the multi-stage filtering function by the triple filtering structure formed by stacking the filter paper, the horizontal filter sheet and the vertical filter sheet, and ensures the normal circulation of engine oil through the detachable bypass valve body, so that mechanical impurities and colloid in the engine oil are completely filtered, and the normal operation of an engine is ensured.
Description
Technical Field
The utility model relates to the technical field of oil filters, in particular to an oil filter with a multi-stage filtering function.
Background
In the working process of the engine, metal abrasive dust, carbon deposit oxidized at high temperature, gelatinous sediment, water and the like are continuously mixed into lubricating oil, and the engine oil filter has the functions of filtering out the mechanical impurities and colloid, keeping the lubricating oil clean and prolonging the service life of the lubricating oil;
In the using process of the engine oil filter, mechanical impurities and colloid are removed through the filter element, the outside of the filter element is formed by folding a single-layer filter paper, when a large amount of impurities with more types appear in engine oil, the phenomenon of incomplete filtration exists in the engine oil filtering process by adopting an independent filter element, so that the filtering is performed by adopting a mode of combining rough filtration with fine filtration in the prior art, the filtering effect is better, but the occupied space is larger, and the filter element in the engine oil filter needs multiple steps for replacement, so that the operation is inconvenient;
Aiming at the technical defects, a solution is provided, the multistage filtering effect on the engine oil is realized through an integrated multiple filtering structure, and the stable impurity removal of the engine oil and the convenient replacement of the filter are ensured.
Disclosure of utility model
The utility model aims to provide an engine oil filter with a multi-stage filtering function, which solves the problems of large volume and large occupied space when engine oil is filtered by adopting a mode of combining rough filtration and fine filtration.
The aim of the utility model can be achieved by the following technical scheme: the engine oil filter with the multi-stage filtering function comprises an upper shell and a lower shell which are in threaded connection, a filter element arranged between the inner parts of the upper shell and the lower shell, wherein the filter element comprises an inner supporting pipe and a filter paper stack, a plurality of backflow holes which are uniformly distributed are formed in the inner supporting pipe, the filter paper stack is coated outside the inner supporting pipe, an oil filling cavity is formed between the inner walls of the inner supporting pipe and the lower shell, one side of the cross section of the filter paper stack and one side of the cross section of the inner supporting pipe are in a continuous S shape, a transverse filter disc is vertically arranged on the inner side of the filter paper stack, a vertical filter disc is arranged in the middle of the outer ring side of the transverse filter disc, and the outer end of the vertical filter disc is connected with the inner wall of the filter paper stack; the upper end of the lower casing is provided with an oil outlet pipe and an oil inlet pipe from top to bottom in sequence, the inner side of the upper end of the upper casing, which is close to the oil outlet pipe, is provided with an oil outlet channel, and the oil outlet channel is communicated with the oil outlet pipe and the upper end opening of the inner supporting pipe.
Preferably, the bottom of the inner supporting pipe is provided with a bypass valve body, the bottom of the bypass valve body is provided with a bypass hole, the inner bottom end of the bypass valve body is provided with a valve seat, the inner top end of the valve seat is provided with a spring, and the lower end of the spring is connected with a valve core.
Preferably, the valve seat is provided with an oil inlet hole corresponding to the valve core, the upper end of the valve seat is provided with an oil drain hole, the gap between the valve seat and the bypass valve body is provided with an oil cavity, and the oil inlet pipe, the oil cavity, the inner supporting pipe, the oil outlet channel and the oil outlet pipe form a circulating oil path.
Preferably, a sealing layer is arranged on the inner ring side of the stacked filter paper, the stacked filter paper is tightly attached to the outer wall of the inner supporting tube through the sealing layer, and guide corners are formed on the upper side and the lower side of the outer end of the stacked filter paper.
Preferably, the backflow holes are long and are transversely aligned with the plurality of transverse filters, and the angle between the adjacent backflow holes is 60 degrees.
Preferably, the ends of the upper casing and the lower casing are connected through fastening screws, and a clear oil pipe is further arranged at the bottom of the lower casing and is communicated with the oil filling cavity.
The utility model has the beneficial effects that: after the engine oil passes through the filter paper, the transverse flow filtration of the engine oil is finished by the transverse filter disc, and then the longitudinal flow filtration of the engine oil is finished by the vertical filter disc, in the process, the engine oil is filtered in a triple mode by the filter paper, the transverse filter disc and the vertical filter disc, so that the multistage filtration effect of the engine oil filter in the working process is achieved, the triple filtration structure is of an integrated structure, and when the filter element is replaced, the filter paper is directly removed, the removal of the transverse filter disc and the vertical filter disc can be finished, and the replacement is convenient.
Drawings
The utility model is further described with reference to the accompanying drawings;
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a schematic view of the structure of the filter cartridge of the present utility model;
FIG. 4 is a schematic cross-sectional view of a filter cartridge of the present utility model;
FIG. 5 is a schematic view of the inner support tube of the present utility model in a cut-away, disassembled configuration;
FIG. 6 is an enlarged view of FIG. 5 at A in accordance with the present utility model;
FIG. 7 is a cross-sectional view of a cartridge of the present utility model;
Fig. 8 is an enlarged view of fig. 7 at B in accordance with the present utility model.
Legend description: 1. an upper housing; 2. a lower case; 3. an oil outlet pipe; 4. an oil inlet pipe; 5. an inner support tube; 6. a reflow hole; 7. stacking filter paper; 8. a bypass valve body; 9. a bypass hole; 10. a transverse filter disc; 11. a vertical filter sheet; 12. a guide corner; 13. a valve seat; 14. an oil inlet hole; 15. an oil drain hole; 16. an oil chamber; 17. a valve core; 18. a spring; 19. and (3) a sealing layer.
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.
Embodiment one:
The embodiment is used for solving the problem that when the engine oil is filtered by adopting a mode of combining coarse filtration with fine filtration, the volume is large and the occupied space is larger.
Referring to fig. 1-4 and fig. 7-8, the embodiment is an oil filter with multi-stage filtering function, comprising an upper casing 1 and a lower casing 2 which are in threaded connection, a filter element arranged between the inner parts of the upper casing 1 and the lower casing 2, the filter element comprising an inner supporting tube 5 and a stacked filter paper 7, wherein the inner supporting tube 5 is provided with a plurality of uniformly distributed backflow holes 6, the stacked filter paper 7 is coated outside the inner supporting tube 5, an oil filling cavity is arranged between the inner supporting tube 5 and the inner wall of the lower casing 2, the stacked filter paper 7 and one side of the cross section of the inner supporting tube 5 are in a continuous S shape, a transverse filter sheet 10 is vertically arranged on the inner side of the inner part of the stacked filter paper 7, a vertical filter sheet 11 is arranged in the middle part of the outer ring side of the transverse filter sheet 10, and the outer end of the vertical filter sheet 11 is connected with the inner wall of the stacked filter paper 7; an oil outlet pipe 3 and an oil inlet pipe 4 are sequentially arranged on one side of the upper end of the lower casing 2 from top to bottom, an oil outlet channel is arranged on the inner side of the upper casing 1, which is close to the upper end of the oil outlet pipe 3, and the oil outlet channel is communicated with the upper end openings of the oil outlet pipe 3 and the inner supporting pipe 5;
The inner ring side of the stacked filter paper 7 is provided with a sealing layer 19, the stacked filter paper 7 is tightly attached to the outer wall of the inner supporting pipe 5 through the sealing layer 19, the upper side and the lower side of the outer end of the stacked filter paper 7 are provided with guide corners 12, and the guide corners 12 are arranged to ensure that the engine oil is in smooth contact with the stacked filter paper 7 in the filter element in the filtering process, so that the engine oil is in quick contact with the whole filter element comprising the stacked filter paper 7, and the filtering efficiency is improved;
The reflow holes 6 are in a strip shape and are transversely aligned with the plurality of transverse filters 10, the angle between the adjacent reflow holes 6 is 60 degrees, the ends of the upper shell 1 and the lower shell 2 are connected through fastening screws, the bottom of the lower shell 2 is also provided with a clear oil pipe, and the clear oil pipe is communicated with the oil filling cavity;
Referring to fig. 1-4 and fig. 7-8, in the use process of the oil filter, engine oil enters a circulation oil path through an oil inlet pipe 4, the engine oil passes through a stacked filter paper 7, is limited by the upper half part of a transverse filter disc 10, engine oil which cannot be filtered continues to flow downwards to a vertical filter disc 11, is further filtered under the filtering effect of the vertical filter disc 11, enters through a return hole 6 on an inner support pipe 5 immediately after passing through the lower half part of the transverse filter disc 10, and finally is discharged through an oil outlet pipe 3;
It should be noted that, after the engine oil passes through the filter paper 7, the transverse filter disc 10 completes the filtration of the transverse flow of the engine oil, and then the vertical filter disc 11 completes the filtration of the longitudinal flow of the engine oil, in the process, the engine oil obtains the triple filtration of the filter paper 7, the transverse filter disc 10 and the vertical filter disc 11, thereby satisfying the multistage filtration effect of the engine oil filter in the working process;
It should be noted that, this triple filtration structure is integrated into one piece structure, and when the change of filter core, directly demolish folding filter paper 7 and can accomplish the demolish of horizontal filter disc 10 and vertical filter disc 11, it is convenient to change.
Embodiment two:
referring to fig. 5-6, in the first embodiment, the structure of the first embodiment is optimized, which includes a bypass valve body 8 installed at the bottom of an inner supporting pipe 5, a bypass hole 9 provided at the bottom of the bypass valve body 8, a valve seat 13 installed at the inner bottom end of the bypass valve body 8, a spring 18 installed at the inner top end of the valve seat 13, and a valve core 17 connected to the lower end of the spring 18;
the valve seat 13 is provided with an oil inlet hole 14 at the part corresponding to the valve core 17, the upper end of the valve seat 13 is provided with an oil outlet hole 15, the gap between the valve seat 13 and the bypass valve body 8 is provided with an oil cavity 16, and the oil inlet pipe 4, the oil cavity 16, the inner supporting pipe 5, the oil outlet channel and the oil outlet pipe 3 form a circulating oil path;
Referring to fig. 5-6, when the filter paper 7, the transverse filter disc 10 and the vertical filter disc 11 are stacked and saturated, that is, when the engine oil can not pass through any more, the engine oil entering from the oil inlet pipe 4 flows to the bottom of the lower casing 2, under the action of oil pressure, the engine oil enters into the bypass valve body 8 through the bypass hole 9, the compression spring 18 realizes that the valve core 17 is separated from the oil inlet hole 14, at this moment, the engine oil enters into the oil cavity 16 through the oil inlet hole 14, is discharged into the inner supporting pipe 5 through the oil discharge hole 15, and is finally discharged through the oil outlet pipe 3;
In this process, the bypass valve body 8 is detachable, and when the filter paper 7, the transverse filter sheet 10 and the vertical filter sheet 11 are not provided with a filtering function after adsorption saturation, the bypass valve body 8 smoothly completes the passing of engine oil, thereby avoiding the condition of engine operation failure.
By combining the first embodiment with the second embodiment, the filter screen structure of the total and the partial filter screen is formed by the stacked filter paper 7, the horizontal filter sheet 10 and the vertical filter sheet 11, triple filtering effect on engine oil is realized, normal circulation of the engine oil can be completed by utilizing the detachable bypass valve body 8, complete filtration of mechanical impurities and colloid in the engine oil is ensured, and normal operation of an engine is ensured.
The flow and principle of the utility model are as follows:
step one: the engine oil enters the circulating oil way through the oil inlet pipe 4, the engine oil passes through the stacked filter paper 7, and is limited by the upper half part of the transverse filter sheet 10 at first, and the engine oil which cannot be filtered continuously flows downwards to the vertical filter sheet 11;
Step two: under the filtering effect of the vertical filter disc 11, the engine oil is further filtered, passes through the lower half part of the transverse filter disc 10 again, then enters through the backflow hole 6 on the inner support tube 5, and finally is discharged through the oil outlet tube 3;
Step three: when the filter paper 7, the transverse filter disc 10 and the vertical filter disc 11 are stacked and saturated, namely, engine oil can not pass through any more, the engine oil entering from the oil inlet pipe 4 flows to the bottom of the lower shell 2, under the action of oil pressure, the engine oil enters into the bypass valve body 8 through the bypass hole 9, the valve core 17 is separated from the oil inlet hole 14 by the compression spring 18, the engine oil enters into the oil cavity 16 through the oil inlet hole 14 at the moment, and is discharged into the inner supporting pipe 5 through the oil discharge hole 15, and finally, the engine oil is discharged through the oil outlet pipe 3;
To sum up: the engine oil filter realizes a multi-stage filtering function through a triple filtering structure formed by stacking the filter paper 7, the transverse filter sheet 10 and the vertical filter sheet 11, and can ensure normal circulation of engine oil through the detachable bypass valve body 8, so that mechanical impurities and colloid in the engine oil are completely filtered, and normal operation of an engine is ensured.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The engine oil filter with the multi-stage filtering function comprises an upper shell (1) and a lower shell (2) which are in threaded connection, and a filter element arranged between the inner parts of the upper shell (1) and the lower shell (2), and is characterized in that the filter element comprises an inner supporting tube (5) and a stacked filter paper (7), a plurality of backflow holes (6) which are uniformly distributed are formed in the inner supporting tube (5), the stacked filter paper (7) is coated outside the inner supporting tube (5), an oil filling cavity is formed between the inner supporting tube (5) and the inner wall of the lower shell (2), one side of a section of the stacked filter paper (7) and one side of the inner supporting tube (5) are in a continuous S shape, a transverse filter sheet (10) is vertically arranged on the inner side of the stacked filter paper (7), a vertical filter sheet (11) is arranged in the middle of the outer ring side of the transverse filter sheet (10), and the outer end of the vertical filter sheet (11) is connected with the inner wall of the stacked filter paper (7); the upper end of the lower casing (2) is sequentially provided with an oil outlet pipe (3) and an oil inlet pipe (4) from top to bottom, the inner side of the upper end of the upper casing (1) close to the oil outlet pipe (3) is provided with an oil outlet channel, and the oil outlet channel is communicated with the upper end openings of the oil outlet pipe (3) and the inner supporting pipe (5).
2. The oil filter with the multistage filtering function according to claim 1, characterized in that a bypass valve body (8) is installed at the bottom of the inner supporting pipe (5), a bypass hole (9) is formed in the bottom of the bypass valve body (8), a valve seat (13) is installed at the inner bottom end of the bypass valve body (8), a spring (18) is installed at the inner top end of the valve seat (13), and a valve core (17) is connected to the lower end of the spring (18).
3. The oil filter with the multi-stage filtering function according to claim 2, wherein the valve seat (13) is provided with an oil inlet hole (14) at a part corresponding to the valve core (17), the upper end of the valve seat (13) is provided with an oil outlet hole (15), a gap between the valve seat (13) and the bypass valve body (8) is provided with an oil cavity (16), and the oil inlet pipe (4), the oil cavity (16) and the inner supporting pipe (5), the oil outlet channel and the oil outlet pipe (3) form a circulating oil path.
4. The oil filter with the multistage filtering function according to claim 1, wherein a sealing layer (19) is arranged on the inner ring side of the stacked filter paper (7), the stacked filter paper (7) is tightly attached to the outer wall of the inner supporting pipe (5) through the sealing layer (19), and guide corners (12) are formed on the upper side and the lower side of the outer end of the stacked filter paper (7).
5. The oil filter with multi-stage filtration function according to claim 1, characterized in that the return holes (6) are elongated and are laterally aligned with a plurality of transversal filters (10), the angle between adjacent return holes (6) being 60 °.
6. The oil filter with the multi-stage filtering function according to claim 1, wherein the ends of the upper casing (1) and the lower casing (2) are connected through fastening screws, and a clean oil pipe is further arranged at the bottom of the lower casing (2) and is communicated with the oil filling cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323382926.5U CN221220592U (en) | 2023-12-12 | 2023-12-12 | Engine oil filter with multistage filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323382926.5U CN221220592U (en) | 2023-12-12 | 2023-12-12 | Engine oil filter with multistage filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221220592U true CN221220592U (en) | 2024-06-25 |
Family
ID=91548051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323382926.5U Active CN221220592U (en) | 2023-12-12 | 2023-12-12 | Engine oil filter with multistage filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221220592U (en) |
-
2023
- 2023-12-12 CN CN202323382926.5U patent/CN221220592U/en active Active
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| GR01 | Patent grant |