CN216665708U - Replaceable engine oil filter element - Google Patents
Replaceable engine oil filter element Download PDFInfo
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- CN216665708U CN216665708U CN202122833694.5U CN202122833694U CN216665708U CN 216665708 U CN216665708 U CN 216665708U CN 202122833694 U CN202122833694 U CN 202122833694U CN 216665708 U CN216665708 U CN 216665708U
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Abstract
The utility model discloses a replaceable engine oil filter element, which comprises an upper end cover, a lower end cover, an inner filter component and an outer filter component, wherein the upper end cover is provided with a filter core; the inner filter component comprises an inner support net and an inner filter net, the inner support net is in a hollow tubular shape, the inner support net is in a grid structure, the inner filter net is sleeved on the outer wall of the inner support net, the outer filter component comprises a filter material, and the filter material surrounds the inner filter net; the inner support net, the inner filter net and the filter material are respectively arranged between the upper end cover and the lower end cover, the inner support net and the inner filter net are respectively arranged on the upper end cover through glue, the inner support net and the inner filter net are respectively arranged on the lower end cover through glue, an oil outlet is arranged on the upper end cover, and the oil outlet is communicated with the inner support net to form a hollow area in the middle of a hollow pipe shape. Above-mentioned technical scheme can filter the impurity of machine oil, guarantees the cleanness of machine oil, prolongs the live time of machine oil.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to a replaceable engine oil filter element.
Background
The engine oil filter element is an important part on engine power equipment of vehicles, engineering machinery, ships and the like, and in the rotating process of the engine, engine oil flows through the engine and simultaneously carries carbides, oil sludge, wear metal particles and the like in all parts of the engine back to an oil tank. These impurities can contribute to increased wear of engine components, corrosion or seizure of moving parts. The engine oil filter element can filter harmful impurities in engine oil, so that the cleanness of the engine oil is guaranteed, the service life of the engine oil is prolonged, and parts of an engine are protected. The filter element in the present engine oil purifier is generally made of filter paper, the filter effect of the filter element on the engine oil is limited, only part of impurities can be filtered, and the filtered engine oil still has certain abrasion or corrosion on parts of an engine.
SUMMERY OF THE UTILITY MODEL
Therefore, a replaceable engine oil filter element needs to be provided to solve the problem of poor filtering effect of the filter element.
In order to achieve the above object, the present application provides a replaceable engine oil filter element, which includes an upper end cover, a lower end cover, an inner filter assembly and an outer filter assembly;
the inner filter component comprises an inner support net and an inner filter net, the inner support net is in a hollow tubular shape, the inner support net is in a grid structure, the inner filter net is sleeved on the outer wall of the inner support net, the outer filter component comprises a filter material, and the filter material surrounds the inner filter net;
the inner support net, the inner filter net and the filter material are respectively arranged between the upper end cover and the lower end cover, the inner support net and the inner filter net are respectively arranged on the upper end cover through glue, the inner support net and the inner filter net are respectively arranged on the lower end cover through glue, an oil outlet is arranged on the upper end cover, and the oil outlet is communicated with the inner support net to form a hollow area in the middle of a hollow pipe shape.
Further, outer filter component includes outer supporting network and outer filter screen, outer supporting network is the cavity tubulose, outer supporting network centers on the filter material, outer filter screen cover is established on outer supporting network's the outer wall, outer supporting network with outer filter screen sets up respectively the upper end cover with between the lower end cover.
Further, the outer support net and the inner support net are cut from the same net; or:
the outer filter screen and the inner filter screen are cut from the same screen.
Further, the inner supporting net is of a rhombic grid structure; or: the inner support net is a stainless steel inner support net; or: the inner filter screen is a stainless steel inner filter screen; or: the upper end cover is a nylon upper end cover; or: the upper end cover is a plastic upper end cover; or: the lower end cover is a nylon lower end cover; or: the lower end cover is a plastic lower end cover.
Furthermore, the mesh number of the inner filter screen is 20-200.
Further, a first annular groove is formed in the lower end cover, and an inner filtering assembly and an outer filtering assembly are arranged in the first annular groove; or:
the upper end cover is provided with a second annular groove, and the inner filtering component and the outer filtering component are arranged in the second annular groove.
Further, the first annular groove includes a first annular projection and a second annular projection, the second annular projection surrounding the first annular projection; or:
the second annular groove includes a third annular projection and a fourth annular projection, the third annular projection surrounding the fourth annular projection.
Further, the filter material is a granular filter material.
Furthermore, the filter material is a wood chip filter material, a coal-made active carbon filter material, a wood-made active carbon filter material, a fruit shell active carbon filter material or a bamboo active carbon filter material.
Further, still include bypass valve, reset and support, set up the bypass hydraulic fluid port on the lower extreme cover, bypass valve is used for controlling the bypass hydraulic fluid port and opens or close, the support sets up on the lower extreme cover, the support is located support in the net, the one end setting that resets is in on the bypass valve, the other end setting that resets is in on the support, the bypass valve can follow support up-and-down reciprocating motion.
Different from the prior art, in the technical scheme, the engine oil enters the hollow area of the inner support net through the filter material, the inner filter screen and the inner support net and then flows out through the oil outlet; the filter material positioned on the outer side firstly filters impurities of the engine oil, the inner filter screen is sleeved on the outer wall of the inner support screen and can continuously filter the impurities of the engine oil, and the inner support screen is of a grid structure, so that the self weight is reduced, and the self strength is improved; the multi-channel filtration can filter out impurities of the engine oil, ensure the cleanness of the engine oil, prolong the service life of the engine oil and protect various parts of the engine.
Drawings
FIG. 1 is a schematic structural view of an internal support mesh in this embodiment;
FIG. 2 is a schematic cross-sectional view of the filter element of this embodiment;
FIG. 3 is a second schematic cross-sectional view of the filter element of this embodiment;
FIG. 4 is a third schematic sectional view of the filter element of this embodiment;
FIG. 5 is a top view of the inner and outer filter assemblies of this embodiment;
FIG. 6 is a schematic view of the filter element of this embodiment;
fig. 7 is a schematic structural view of the outer support net in this embodiment.
Description of reference numerals:
1. an upper end cover;
11. an oil outlet;
12. a second annular groove; 121. a third annular projection; 122. a fourth annular projection;
2. a lower end cover;
21. a bypass oil port;
22. a first annular groove; 221. a first annular projection; 222. a second annular projection;
23. a support; 24. a connecting projection;
3. an inner filter assembly;
31. supporting the net internally; 32. an inner filter screen;
4. an outer filter assembly;
41. filtering the material; 42. an outer support screen; 43. an outer filter screen;
5. a bypass valve;
6. a reset member.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 7, the present embodiment provides a replaceable engine oil filter element, which includes an upper end cap 1, a lower end cap 2, an inner filter assembly 3, and an outer filter assembly 4. The inner filtering component 3 comprises an inner supporting net 31 and an inner filtering net 32, the inner supporting net 31 is in a hollow tubular shape, and the upper end of the inner supporting net 31 and the lower end of the inner supporting net 31 are both provided with openings. The inner support net 31 is of a grid structure. The inner filter screen 32 is sleeved on the outer wall of the inner support screen 31, and the inner filter screen 32 is used for filtering impurities of engine oil. The outer filter assembly 4 is used for filtering impurities of engine oil, the outer filter assembly 4 comprises a filter material 41, the filter material 41 surrounds the inner filter screen 32, and the filter material 41 is used for filtering impurities of the engine oil. The inner support screen 31, the inner filter screen 32 and the filter material 41 are respectively arranged between the upper end cover 1 and the lower end cover 2. The inner support net 31 and the inner filter net 32 are respectively arranged on the upper end cover 1 through glue, and the inner support net 31 and the inner filter net 32 are respectively arranged on the lower end cover 2 through glue. An oil outlet 11 is formed in the upper end cover 1, and the oil outlet 11 is communicated with the inner support net 31 to form a hollow tubular middle hollow area.
In the technical scheme, the engine oil enters the hollow area of the inner support net through the filter material, the inner filter screen and the inner support net and then flows out through the oil outlet; the filter material positioned on the outer side firstly filters impurities of the engine oil, the inner filter screen is sleeved on the outer wall of the inner support screen and can continuously filter the impurities of the engine oil, and the inner support screen is of a grid structure, so that the self weight is reduced, and the self strength is improved; the multiple-channel filtration can filter out impurities of the engine oil, ensure the cleanness of the engine oil, prolong the service time of the engine oil and protect various parts of the engine.
It should be noted that the inner filter screen 32 covers the outer wall of the inner support screen 31, the upper end of the inner filter screen 32 is flush with the upper end of the inner support screen 31, and the lower end of the inner filter screen 32 is flush with the lower end of the inner support screen 31, and the structure is as shown in fig. 2, fig. 3, fig. 4 and fig. 5.
Referring to fig. 1, in the present embodiment, the inner support net 31 is a grid structure, the grid structure generally includes one or more sets of parallel grid bars, and mesh holes are formed between the grid bars, so that the engine oil can enter into the hollow area of the inner support net 31 from the outside of the inner filter screen 32. Preferably, the meshes of the inner support net 31 are of a diamond grid structure, that is, the meshes of the inner support net 31 are of a diamond shape, so that the inner support net 31 has good mechanical properties and the best support effect. In some embodiments, the mesh openings of the internal support mesh are rectangular or triangular in shape.
It should be noted that, because the inner supporting mesh 31 and the inner filtering mesh 32 are thinner, the inner supporting mesh 31 and the inner filtering mesh 32 are respectively disposed on the upper end cover 1 through glue, and the inner supporting mesh 31 and the inner filtering mesh 32 are respectively disposed on the lower end cover 2 through glue.
It is worth mentioning that the glue used by the filter element can be AB glue or hot melt glue. Preferably, the glue is AB glue which is a double-component epoxy resin AB glue adhesive and has high transparency, and the cured adhesive is perfect and traceless, does not need to be heated, can be cured at normal temperature, and is environment-friendly and nontoxic; high bonding strength, good toughness, oil resistance, water resistance and the like; the cured product has good electrical and physical properties such as insulation, compression resistance, low shrinkage rate and the like.
The inner support net 31 is hollow, the hollow region of the inner support net 31 is a region forming a hollow tubular middle part, and is a region surrounded by the inner wall of the inner support net 31, and the structure is as shown in fig. 1, 2, 3, 4, and 5.
The inventor of the application finds that the existing filter element generally adopts filter paper to play a role in filtering, and the filter effect of the filter paper is limited, so that the existing filter element is not ideal in filter effect. Referring to fig. 3 to 7, in the present embodiment, in order to enhance the filtering effect, the outer filtering assembly 4 includes an outer supporting net 42 and an outer filtering net 43. The outer supporting net 42 is a hollow pipe shape, and the upper end of the outer supporting net 42 and the lower end of the outer supporting net 42 are both provided with openings, and the structure is shown in fig. 5 and 6. The outer support screen 42 surrounds the filter material 41, and the filter material 41 is located between the inner filter screen 32 and the outer support screen 42. The outer filter screen 43 is sleeved on the outer wall of the outer support screen 42, and the outer filter screen 43 is used for filtering impurities of engine oil. The outer supporting net 42 and the outer filtering net 43 are respectively arranged between the upper end cover 1 and the lower end cover 2. The outer supporting net 42 and the outer filtering net 43 are respectively arranged on the upper end cover 1 through glue, and the outer supporting net 42 and the outer filtering net 43 are respectively arranged on the lower end cover 2 through glue.
The filter core carries out a lot of filtration to the impurity of machine oil, machine oil is when passing through outer filter screen 43, outer filter screen 43 filters some impurity earlier, filter material 41 filters some impurity next, interior filter screen 32 filters some impurity at last, the machine oil that flows out from the mesh of interior support net 31 passes through hollow region and flows to oil-out 11, multiple filtration has filtered most impurity in the machine oil, alleviate the injury of machine oil to each spare part of engine, promote the live time of machine oil, reduce the maintenance number of times of each part of engine.
It should be noted that the outer filter screen 43 covers the outer wall of the outer support screen 42, the upper end of the outer filter screen 43 is flush with the upper end of the outer support screen 42, and the lower end of the outer filter screen 43 is flush with the lower end of the outer support screen 42, and the structure is as shown in fig. 3, 4 and 5. It is worth mentioning that the upper end of the outer filter screen 43 is flush with the upper end of the inner filter screen 32, so that the outer filter screen 43, the outer support screen 42, the inner filter screen 32 and the inner support screen 31 are arranged side by side, which is convenient for installation.
Referring to fig. 7, in the embodiment, the outer supporting net 42 is a grid structure, which reduces the weight of the filter element and improves the strength of the filter element without reducing the filtering efficiency of the filter element. The outer support net 42 has mesh openings so that the engine oil can enter the filter material 41 from the outside of the outer filter net 43. Preferably, the meshes of the external support net 42 are of a diamond grid structure, that is, the meshes of the external support net 42 are of a diamond shape, so that the external support net 42 has good mechanical properties, and the support effect of the external support net 42 is optimal. In some embodiments, the mesh openings of the outer support screen are rectangular or triangular in shape.
In the preferred embodiment, the outer support net 42 and the inner support net 31 are cut from the same net, so that the raw materials are convenient to purchase, the cost is saved, and the manufacturing efficiency is improved.
In a preferred embodiment, the outer filter screen 43 and the inner filter screen 32 are cut from the same screen, so that raw materials are conveniently purchased, the cost is saved, and the manufacturing efficiency is improved.
In this embodiment, the inner support net 31 serves to protect the inner filter screen 32 and prevent the inner filter screen 32 from being squeezed to affect the engine oil filtering effect, and the inner support net 31 is a stainless steel inner support net. The stainless steel inner support net has better corrosion resistance, impurities cannot be introduced into engine oil, the hardness of the stainless steel inner support net is better, and the inner filter screen 32 can be prevented from being damaged due to extrusion.
In this embodiment, the outer support net 42 is used for protecting the outer filter net 43 and preventing the outer filter net 43 from being squeezed to affect the engine oil filtering effect, and the outer support net 42 is a stainless steel outer support net. The stainless steel outer support net has better corrosion resistance, impurities cannot be introduced into engine oil, the hardness of the stainless steel outer support net is better, and the inner filter net 43 and the outer filter net 43 can be prevented from being damaged due to extrusion.
The inventor of the application finds that the filter element in the prior art generally adopts filter paper to play a role in filtration, and the filter paper has poor service life, so that the filter element needs to be replaced regularly. In order to solve the problem, in this embodiment, the inner filter screen 32 is a stainless steel inner filter screen, which has better corrosion resistance and is difficult to rust, so that the service life of the filter element can be prolonged.
In this embodiment, outer filter screen 43 is filter screen in the stainless steel, and the interior filter screen of stainless steel has better corrosion resistance, also difficult rust, can prolong the life of filter core, also reduces the cost of maintenance.
In this embodiment, the mesh number of the inner filter 32 is 20 to 200, which is the mesh number of the inner filter 32 per inch. Preferably, the mesh number of the inner filtering net 32 is 100 to 120, so that the inner filtering net 32 has a better filtering effect.
In this embodiment, the mesh number of the outer filter 43 is 20 to 200, and the mesh number refers to the mesh number per inch of the outer filter 43. Preferably, the mesh number of the outer filtering net 43 is 100 to 120, so that the outer filtering net 43 has a better filtering effect.
In this embodiment, the upper end cap is a nylon upper end cap, a plastic upper end cap, or a stainless steel upper end cap.
In this embodiment, the lower end cap is a nylon lower end cap, a plastic lower end cap, or a stainless steel lower end cap.
The inventor of the present application finds that when the inner support net 31 is disposed on the upper end cover 1 or the lower end cover 2 through glue, the inner support net 31 is prone to toppling under the action of external force in the glue curing process. In order to solve this problem, referring to fig. 2, 3 and 4, in the present embodiment, a first annular groove 22 is formed in the lower end cap 2, the inner filter assembly 3 and the outer filter assembly 4 are disposed in the first annular groove 22, and the first annular groove 22 is used for fixing the inner filter assembly 3 and the outer filter assembly 4. When the outer filter assembly 4 has the filter material 41, the outer wall of the filter material 41 may be disposed along the outer circumferential wall of the first annular groove 22, and the inner wall of the inner support screen 31 may be disposed along the inner circumferential wall of the first annular groove 22; when the outer filter assembly 4 has filter media 41, an outer support screen 42 and an outer filter screen 43, the outer filter screen 43 may be disposed along an outer circumferential wall of the first annular groove 22 and an inner wall of the inner support screen 31 may be disposed along an inner circumferential wall of the first annular groove 22. The first annular groove 22 allows glue to be retained in the first annular groove 22, preventing the glue from overflowing and maintaining a better adhesion of the glue to the lower end.
Referring to fig. 2, 3 and 4, in the present embodiment, the first annular groove 22 includes a first annular protrusion 221 and a second annular protrusion 222, the second annular protrusion 222 surrounds the first annular protrusion 221, and the second annular protrusion 222 and the first annular protrusion 221 respectively protrude from the top surface of the lower end cap 2. The inner ring wall of the first annular groove 22 is arranged on the first annular protrusion 221, and the inner wall of the annular inner support net 31 can be sleeved on the first annular protrusion 221 so as to improve the stability of the inner support net 31, so that the inner support net 31 is not easy to topple; the outer ring wall of the first annular groove 22 is on the second annular protrusion 222, and the second annular protrusion 222 can be sleeved on the filter material 41 or the annular outer filter screen 43, so that the filter material 41 or the outer filter screen 43 is not easy to topple over.
In some embodiments, the first annular groove 22 may be a groove disposed in the top surface of the lower end cap 2, and the notch of the first annular groove 22 is flush with the top surface of the lower end cap 2.
Referring to fig. 2, 3 and 4, in the present embodiment, a second annular groove 12 is formed in the upper end cap 1, the inner filter assembly 3 and the outer filter assembly 4 are disposed in the second annular groove 12, and the second annular groove 12 is used for fixing the inner filter assembly 3 and the outer filter assembly 4. When the outer filter assembly 4 has the filter material 41, the outer wall of the filter material 41 may be disposed along the outer ring wall of the second annular groove 12, and the inner wall of the inner support screen 31 may be disposed along the inner ring wall of the second annular groove 12; when the outer filter assembly 4 has filter material 41, an outer support screen 42 and an outer filter screen 43, the outer filter screen 43 may be disposed along the outer circumferential wall of the second annular groove 12 and the inner wall of the inner support screen 31 may be disposed along the inner circumferential wall of the second annular groove 12. The second annular groove 12 can keep the glue in the second annular groove 12, prevent the glue from overflowing and keep the better adhesion between the glue and the lower end part.
Referring to fig. 2, 3 and 4, in the present embodiment, the second annular groove 12 includes a third annular protrusion 121 and a fourth annular protrusion 122, the fourth annular protrusion 122 surrounds the third annular protrusion 121, and the fourth annular protrusion 122 and the third annular protrusion 121 respectively protrude from the bottom surface of the upper end cap 1. The inner ring wall of the second annular groove 12 is arranged on the third annular protrusion 121, and the inner wall of the upper end of the annular inner support net 31 can be sleeved on the third annular protrusion 121 to improve the stability of the inner support net 31, so that the inner support net 31 is not easy to topple; the outer ring wall of the second annular groove 12 is on the fourth annular protrusion 122, and the fourth annular protrusion 122 can be sleeved on the filter material 41 or the annular outer filter screen 43, so that the filter material 41 or the outer filter screen 43 is not easy to topple.
In some embodiments, the second annular groove 12 may be disposed in the bottom surface of the upper end cap 1, and the notch of the second annular groove 12 is flush with the bottom surface of the upper end cap 1.
In this embodiment, the filter material 41 may be a granular filter material or a columnar filter material. The particulate filter material is taken as an example, the particulate filter material is filled between the inner filter screen and the outer support screen, and preferably, the particulate filter material fills the space between the inner filter screen and the outer support screen, so that the engine oil and the particulate filter material have a larger contact area, and the filtering effect is improved. The filter material is a wood chip filter material, a coal-made active carbon filter material, a wood-made active carbon filter material, a fruit shell active carbon filter material or a bamboo active carbon filter material. The column-shaped filter material is taken as an example for explanation, the inner wall of the column-shaped filter material may be sleeved on the outer wall of the inner filter screen, the outer support screen may be sleeved on the outer wall of the filter material, and the material of the column-shaped filter material may be Polypropylene (abbreviated as PP) filter material or cotton fiber.
Referring to fig. 2, 3 and 4, in the present embodiment, when the filter element is clogged or the engine oil is sticky, the engine oil is not easy to pass through the outer filter assembly 4, which results in insufficient engine oil flow, and the filter element further includes a bypass valve 5, a reset member 6 and a bracket 23. The lower end cover 2 is provided with a bypass oil port 21, the bypass oil port 21 can be located in the center of the lower end cover 2, and the bypass oil port 21 is communicated with the inner support net 31 to form a hollow area in the middle of a hollow pipe. The bypass valve 5 is movably arranged on the bypass oil port 21, and the bypass valve 5 is used for controlling the bypass oil port 21 to be opened or closed; in fig. 4, the bypass valve 5 controls the opening of the bypass oil port 21; in fig. 2 and 3, the bypass valve 5 controls the bypass port 21 to be closed. The support 23 is arranged on the lower end cover 2, the support 23 is positioned in the inner support net 31, one end of the resetting piece 6 is arranged on the bypass valve 5, the other end of the resetting piece 6 is arranged on the support 23, and the bypass valve 5 can reciprocate up and down along the support 23. Preferably, the reset piece 6 is a spring, and the spring deforms under the action of external force and restores to the original shape after the external force is removed. The bypass valve 5 is opened due to the rising of the external oil pressure, and is a protection mechanism for the engine.
Referring to fig. 2 and 3, when the bypass valve 5 is at the initial position, the bypass valve 5 closes the bypass oil port 21, the engine oil cannot enter the hollow area of the inner support net 31 through the bypass oil port 21, the amount of the engine oil which is not filtered is not large, and the engine cannot be damaged greatly; referring to fig. 4, the bypass valve 5 is opened due to the increase of the external oil pressure, the bypass valve 5 moves upward to open the bypass oil port 21, the reset element 6 is in a compressed state, a part of the engine oil enters the filter material 41 through the external filter assembly 4, and the other part of the engine oil enters the hollow area of the internal support net 31 through the bypass oil port 21; when the external oil pressure is reduced, the bypass valve 5 moves downwards under the driving of the reset piece 6 and closes the bypass oil port 21, the engine oil cannot enter the hollow area of the inner support net 31 from the bypass oil port 21, and the engine oil can enter the filter material 41 from the outer filter assembly 4.
Referring to fig. 2 to 4, in this embodiment, a connecting protrusion 24 is disposed on the lower end cap, the connecting protrusion 24 is annular, one end of the elastic element is sleeved on the connecting protrusion 24, the other end of the elastic element is disposed in the housing, the housing is disposed on the vehicle, the housing presses the filter element against the vehicle through the elastic element, and the oil outlet is connected to an oil passage of the vehicle.
It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.
Claims (10)
1. A replaceable engine oil filter element is characterized by comprising an upper end cover, a lower end cover, an inner filter component and an outer filter component;
the inner filter component comprises an inner support net and an inner filter net, the inner support net is in a hollow tubular shape, the inner support net is in a grid structure, the inner filter net is sleeved on the outer wall of the inner support net, the outer filter component comprises a filter material, and the filter material surrounds the inner filter net;
the inner support net, the inner filter net and the filter material are respectively arranged between the upper end cover and the lower end cover, the inner support net and the inner filter net are respectively arranged on the upper end cover through glue, the inner support net and the inner filter net are respectively arranged on the lower end cover through glue, an oil outlet is arranged on the upper end cover, and the oil outlet is communicated with the inner support net to form a hollow area in the middle of a hollow pipe shape.
2. The replaceable engine oil filter element according to claim 1, wherein the outer filter assembly comprises an outer support net and an outer filter net, the outer support net is in a hollow tubular shape, the outer support net surrounds the filter material, the outer filter net is sleeved on an outer wall of the outer support net, and the outer support net and the outer filter net are respectively disposed between the upper end cover and the lower end cover.
3. A replaceable oil filter element according to claim 2 wherein the outer support screen and the inner support screen are cut from the same screen; or:
the outer filter screen and the inner filter screen are cut from the same screen.
4. A replaceable engine oil filter element according to claim 1 or 3 wherein the inner support mesh is a diamond grid structure; or: the inner support net is a stainless steel inner support net; or: the inner filter screen is a stainless steel inner filter screen; or: the upper end cover is a nylon upper end cover; or: the upper end cover is a plastic upper end cover; or: the lower end cover is a nylon lower end cover; or: the lower end cover is a plastic lower end cover.
5. A replaceable engine oil filter element according to claim 1 or 3, wherein the mesh number of the inner filter screen is 20-200.
6. A replaceable engine oil filter element according to claim 1 wherein a first annular groove is provided in the lower end cap, and wherein an inner filter element and an outer filter element are disposed in the first annular groove; or:
the upper end cover is provided with a second annular groove, and the inner filtering component and the outer filtering component are arranged in the second annular groove.
7. The replaceable engine oil filter element of claim 6 wherein the first annular groove comprises a first annular protrusion and a second annular protrusion, the second annular protrusion surrounding the first annular protrusion; or:
the second annular groove includes a third annular projection and a fourth annular projection, the third annular projection surrounding the fourth annular projection.
8. The replaceable engine oil filter element of claim 1 wherein the filter media is a particulate filter media.
9. The replaceable engine oil filter element of claim 8, wherein the filter material is wood dust filter material, coal-made activated carbon filter material, wood-made activated carbon filter material, fruit shell activated carbon filter material or bamboo activated carbon filter material.
10. The replaceable engine oil filter element according to claim 1, further comprising a bypass valve, a reset member and a bracket, wherein a bypass oil port is formed in the lower end cover, the bypass valve is used for controlling the opening or closing of the bypass oil port, the bracket is arranged on the lower end cover, the bracket is located in the inner support net, one end of the reset member is arranged on the bypass valve, the other end of the reset member is arranged on the bracket, and the bypass valve can reciprocate up and down along the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122833694.5U CN216665708U (en) | 2021-11-18 | 2021-11-18 | Replaceable engine oil filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122833694.5U CN216665708U (en) | 2021-11-18 | 2021-11-18 | Replaceable engine oil filter element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216665708U true CN216665708U (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122833694.5U Active CN216665708U (en) | 2021-11-18 | 2021-11-18 | Replaceable engine oil filter element |
Country Status (1)
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|---|---|
| CN (1) | CN216665708U (en) |
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2021
- 2021-11-18 CN CN202122833694.5U patent/CN216665708U/en active Active
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