Oil filter for engine

Abstract

The invention relates to the technical field of filters, in particular to an engine oil filter for an engine, which comprises a barrel, a first filter assembly and a second filter assembly, the top of the barrel is open, a partition plate is detachably connected in the barrel and divides the barrel into a first chamber and a second chamber, and an oil outlet pipe is arranged in the barrel; the first filtering assembly comprises a connecting piece and a first filtering piece, the connecting piece comprises a connecting plate for closing the opening of the cylinder body, the connecting plate is detachably connected to the cylinder body, a plurality of oil inlet holes are formed in the connecting plate, the first filtering piece comprises a conical filter screen for filtering engine oil, and the conical filter screen is connected to the side, close to the interior of the cylinder body, of the connecting plate; the second filtering assembly comprises a second filtering piece, the second filtering piece comprises a filtering cylinder, the filtering cylinder is coaxially arranged on the outer wall of the oil outlet pipe, the oil passing hole is located in the outer side of the filtering cylinder, and an oil filtering hole is formed in the section, located in the filtering cylinder, of the side wall of the oil outlet pipe; the device has the effect that the conical filter screen and the filter cylinder are convenient to disassemble and replace.

Description

Technical Field

[0001] The present application relates to the technical field of filters, and in particular to an oil filter for an engine. Background Art

[0002] Oil filter, also known as oil grid, is an important part of the modern internal combustion engine maintenance system. It is mainly used to filter impurities in the oil entering the engine to ensure the normal operation of the internal parts of the engine. With the development of the automobile industry and technological progress, people have higher and higher requirements for engine performance, and correspondingly, higher standards are also put forward for the efficiency and reliability of oil filters. Efficient oil filters can not only extend the life of the engine, but also improve fuel economy and reduce emissions. Therefore, they have important application value in the automotive industry.

[0003] In order to deal with different types of impurities in the oil, traditional oil filters usually use a variety of filtering methods. Common methods include: first, using paper filter elements for physical interception, using the small pore size of the filter paper to block large particles of impurities; second, using metal mesh or ceramic filter mesh to achieve finer filtration. These materials have excellent heat resistance and corrosion resistance; third, combining magnetic adsorption devices, using magnetic fields to attract metal particles such as iron filings to further purify the oil. In addition, some designs also add a bypass valve mechanism, which automatically opens when the filter element is blocked to ensure the continuous flow of oil.

[0004] Regarding the above-mentioned related technologies, although the above methods have improved the cleanliness of the engine oil to a certain extent, there are still some shortcomings. After long-term use, the filter becomes clogged and the process of replacing the filter is complicated, which makes it inconvenient to replace the filter, affecting the overall performance of the filter and bringing additional maintenance burden to users. Summary of the invention

[0005] In order to improve the above problems, the present application provides an engine oil filter.

[0006] The present application provides an engine oil filter that adopts the following technical solution: An engine oil filter comprises a cylinder, a first filter assembly and a second filter assembly, the top of the cylinder is open, a partition is detachably connected to the cylinder, the partition is arranged in a direction perpendicular to the axis direction of the cylinder, the partition divides the cylinder into a first chamber and a second chamber, an oil outlet pipe for discharging engine oil is arranged in the cylinder, the oil outlet pipe passes through the partition, the oil outlet pipe is connected to the partition, and a plurality of oil holes are opened on the partition; The first filter assembly includes a connecting piece and a first filter element, the connecting piece includes a connecting plate for closing the opening of the cylinder, the connecting plate is detachably connected to the cylinder, a plurality of oil inlet holes are provided on the connecting plate, the first filter element includes a conical filter screen for filtering engine oil, the conical filter screen is connected to the connecting plate on one side close to the cylinder, the opening of the conical filter screen faces the side of the connecting plate, the oil inlet hole is communicated with the inside of the conical filter screen, the second filter assembly includes a second filter element and a bypass valve, the second filter element includes a filter cartridge, the filter cartridge is coaxially arranged on the outer wall of the oil outlet pipe, the filter cartridge is detachably connected to the side of the partition close to the second chamber, the oil through hole is located on the outside of the filter cartridge, the oil outlet pipe is located on a section of the side wall of the filter cartridge and a plurality of oil filter holes for engine oil to pass through are provided, and the bypass valve is connected to the oil outlet pipe at one end in the second chamber.

[0007] By adopting the above technical scheme, when it is necessary to use the engine oil filter, the engine oil filter is installed in the designated position, and the engine oil to be filtered enters the interior of the conical filter through the oil inlet hole, the filtered oil flows to the partition, and then enters the second chamber through the oil hole, and the engine oil passes through the filter cartridge in the second filter element for secondary filtering of the engine oil, the treated engine oil enters the oil outlet pipe, and flows to the engine again; the connecting plate is separated from the cylinder body, at this time, the conical filter and the connecting plate move synchronously, which is convenient for replacing the conical filter; when it is necessary to replace the second filter element, first, take out the connecting plate to separate the conical filter from the oil outlet pipe, then separate the partition from the cylinder body, and the personnel take out the oil outlet pipe and the partition, at this time, the second filter element moves synchronously with the partition, and then the second filter element can be replaced; the engine oil filter realizes multi-stage high-efficiency filtration, ensures the cleanliness of the engine oil, Specifically: the engine oil can first be initially filtered through the first filter component, and then enter the second chamber through the oil hole for secondary filtration, which improves the filtration efficiency. The design of the conical filter and the connecting plate in the first filter component can not only effectively intercept large particles of impurities, but also facilitate replacement, reducing the user's maintenance cost; the bypass valve design can automatically open when the filter cartridge is blocked, ensuring the continuous circulation of the engine oil and avoiding the normal operation of the engine due to filter blockage; the use of the filter cartridge can remove solid impurities in the engine oil and further improve the quality of the engine oil; the oil filter hole design on the oil outlet pipe helps the engine oil to flow smoothly into the oil outlet pipe, reducing flow resistance; in summary, the engine oil filter has significantly improved the cleanliness of the engine oil and the reliability of the system through reasonable structural design and multi-stage filtration methods, while facilitating the disassembly and replacement of the conical filter and the filter cartridge, and simplifying maintenance operations.

[0008] In a specific possible implementation scheme, the connecting piece also includes two plug blocks and two connecting rods, the cylinder body is provided with a limiting groove for placing the connecting plate at the opening, the cylinder body is provided with two accommodating grooves in the limiting groove, the two accommodating grooves are symmetrically arranged along the axis of the cylinder body, the plug blocks correspond one to one with the accommodating grooves, the plug blocks are located in the accommodating grooves, the plug blocks are elastically slidably connected to the cylinder body, the two plug blocks can slide toward or away from each other, the side of the plug blocks away from the bottom of the cylinder body is inclined, the inclined surface of the plug blocks is inclined from the cylinder opening to the bottom of the cylinder body toward the side close to the axis of the cylinder, the side wall of the connecting plate is provided with a slot for inserting the plug blocks, the connecting rods correspond one to one with the plug blocks, the connecting rods are vertically arranged to the connecting plate, the connecting rods are inserted into the slots after passing through the connecting plate, and the connecting rods are elastically slidably connected to the connecting plate.

[0009] By adopting the above technical solution, the connecting plate can be easily and quickly fixed and removed from the cylinder. Specifically, the design of the plug block allows the connecting plate to be quickly positioned and locked by a simple push-in action during installation, and when removing it, it is only necessary to press the connecting rod to disengage the plug block from the slot to easily remove the connecting plate, which greatly simplifies the maintenance process. This design not only improves the assembly efficiency of the filter, but also reduces the user's operating difficulty and improves the user experience.

[0010] In a specific possible implementation scheme, the first filter element further includes a sliding ring, a sliding groove is provided on one side of the connecting plate close to the cylinder, the sliding groove is arranged along the circumference of the connecting plate, the longitudinal section of the sliding groove is T-shaped, the sliding ring is located in the sliding groove, the side wall of the sliding ring is in contact with the groove wall of the sliding groove, the sliding ring can slide in the sliding groove, and one side of the opening of the conical filter is connected to the sliding ring; The engine oil filter also includes a rotating assembly, which includes an outer gear ring, a rotating rod and a gear. The outer gear ring is sleeved on the outside of the conical filter, and the rotating rod is located in the first chamber. The rotating rod and the connecting plate are vertically arranged, one end of the rotating rod is rotatably connected to the connecting plate, and the other end is coaxially fixed to the gear. The rotating rod is electrically connected to the controller, and the gear is meshed with the outer gear ring.

[0011] By adopting the above technical solution, the design of the sliding ring allows the conical filter to move flexibly relative to the connecting plate, so that it can better adapt to the impact of different flow rates during the filtering process and improve the filtering efficiency. At the same time, the introduction of the rotating component realizes the rotation function of the conical filter. This dynamic filtering method not only enhances the ability to capture impurities in the oil, but also effectively reduces the thickness of impurities accumulated on the filter, prevents clogging, and extends the working cycle and service life of the filter. In addition, the rotating action also helps to throw off larger particles of impurities adsorbed on the filter, further improving the filtering effect.

[0012] In a specific implementation manner, the first filter element further includes a plurality of adsorption sources, and the plurality of adsorption sources are all connected to the conical filter screen, and the adsorption sources are used to adsorb metals such as iron filings contained in the engine oil.

[0013] By adopting the above technical solution, multiple adsorption sources are connected to the conical filter, which can effectively adsorb metal particles such as iron filings in the engine oil, further improve the cleanliness of the engine oil, and reduce the wear of internal engine parts caused by metal particles, thereby extending the service life of the engine. At the same time, this design simplifies the maintenance process of the filter, eliminating the need to frequently replace the entire filter assembly, thereby reducing the user's maintenance costs.

[0014] In a specific feasible implementation scheme, the first filter assembly also includes a sliding member, the oil outlet pipe is penetrated through the bottom of the conical filter, the sliding member includes a placement ring and a rotating ring, the placement ring is sleeved on the outer wall of the oil outlet pipe, the placement ring is close to the bottom of the conical filter, the placement ring is detachably connected to the oil outlet pipe, a sliding groove is provided on the outer side of the placement ring for placing the rotating ring, the rotating ring is slidably connected to the placement ring, and the bottom of the conical filter is connected to the rotating ring.

[0015] By adopting the above technical solution, the first filter component of the engine oil filter adds a sliding part design, which makes the connection between the bottom of the conical filter and the oil outlet pipe more stable and reliable. The rotating ring is slidably connected to the placement ring, which allows the conical filter to maintain smooth movement during rotation and ensures that the relative position of the conical filter and the oil outlet pipe remains unchanged, thereby improving the filtering efficiency and reliability of the entire system. In addition, the design of the sliding part simplifies the installation and disassembly process of the conical filter, making it convenient for users to perform regular maintenance and replacement.

[0016] In a specific possible implementation scheme, the sliding member further includes at least two adsorption magnets, one of which is embedded in the outer wall of the oil outlet pipe, and the other is embedded in the inner side of the placement ring, and the two adsorption magnets are magnetically attracted to each other.

[0017] By adopting the above technical solution, the two adsorption magnets are attracted to each other, so that the connection between the placement ring and the oil outlet pipe is more stable and reliable. This design not only enhances the connection strength between the components and reduces the risk of loosening due to vibration or impact, but also simplifies the installation and disassembly process, making it convenient for users to perform maintenance and replacement. At the same time, the presence of the adsorption magnets can also assist in fixing the rotating ring, ensuring that the conical filter remains stable during rotation, further improving the filtering effect and reliability.

[0018] In a specific possible implementation manner, the second filter assembly further comprises a filter frame, the filter frame is coaxially arranged with the oil outlet pipe, the filter frame is detachably connected to the partition plate, and the filter cartridge is coaxially sleeved on the filter frame; The second filter element also includes an adsorption cylinder for adsorbing odor in the engine oil. The adsorption cylinder is coaxially sleeved on the outside of the filter frame. The adsorption cylinder is located on a side of the filter cylinder close to the filter frame.

[0019] By adopting the above technical solution, the engine oil filter can not only efficiently filter impurities in the oil, but also effectively absorb odors in the oil. Specifically, the filter cartridge can further remove tiny particles in the oil to ensure the purity of the oil. At the same time, the presence of the adsorption cartridge effectively adsorbs harmful gases and odors in the oil, thereby improving the environment of the entire lubrication system and enhancing the working performance and service life of the engine. In addition, the design of the filter frame allows it to be coaxially arranged with the oil outlet pipe and detachably connected to the partition, which is convenient for users to regularly replace or clean the filter cartridge and adsorption cartridge, reducing maintenance costs and difficulties.

[0020] In a specific possible implementation scheme, it also includes a cleaning component, which includes two telescopic rods, a cleaning ring and a plurality of bristles, the two telescopic rods are both located in the second chamber, the two telescopic rods are both perpendicular to the bottom of the cylinder, the two telescopic rods are symmetrically arranged along the axial direction of the cylinder, the cleaning ring is sleeved on the outside of the filter cartridge, the cleaning ring is slidably connected to the filter cartridge, the cleaning ring reciprocates along the axial direction of the cylinder, one end of the telescopic rod is fixed to the side wall of the cylinder, and the other end is fixed to the cleaning ring, the telescopic rod is electrically connected to the controller, and the plurality of bristles are evenly fixed and bonded to the inner wall of the cleaning ring along the circumference of the cleaning ring, and the bristles are in contact with the filter cartridge.

[0021] By adopting the above technical solution, the cleaning component can regularly remove impurities on the surface of the filter cartridge and keep the filter cartridge clean, thereby improving the working efficiency and service life of the oil filter. Specifically: the telescopic rod is electrically connected to the controller, realizing automatic control, reducing the need for manual maintenance, and improving the reliability and convenience of the system. The cleaning ring reciprocates along the axis of the cylinder, so that the bristles can effectively scrape off impurities attached to the outside of the filter cartridge, preventing the filter cartridge from being blocked and ensuring smooth flow of the oil.

[0022] In a specific possible implementation scheme, a cleaning port is opened on the side wall of the cylinder, the cleaning port is close to the bottom of the cylinder, the bottom of the cleaning port is flush with the inner side of the bottom wall of the cylinder, and the cylinder is connected to the cleaning port with a closed door that seals the cleaning port.

[0023] By adopting the above technical solution, the engine oil filter is provided with a cleaning port on the side wall of the cylinder, and the cleaning port is close to the bottom of the cylinder, which facilitates the removal of impurities on the surface of the filter cartridge. Specifically, when the filter cartridge needs to be cleaned, the closed door can be opened and the cleaning ring controlled by the telescopic rod can be moved along the axis of the cylinder, so that the bristles can effectively scrape off the impurities on the surface of the filter cartridge. This design not only simplifies the maintenance process and reduces the difficulty of user operation, but also improves the working efficiency and service life of the filter. At the same time, the position design of the cleaning port ensures that the cleaning process will not be restricted by space, which is more convenient and efficient.

[0024] In a specific possible implementation scheme, the first filter component also includes a sealing member, which includes a sealing ring and two graphite rings, and the sealing ring and the two graphite rings are both sleeved on the peripheral wall of the connecting plate, and a gap is left between the two graphite rings. The graphite ring close to the connecting plate has a smaller diameter, and the sealing ring is located in the gap. The inner side of the sealing ring is fixedly bonded to the graphite ring with a smaller diameter, and the outer side of the sealing ring is fixedly bonded to the graphite ring with a larger diameter, and the inner side of the graphite ring with a smaller diameter is fixedly bonded to the side wall of the connecting plate.

[0025] By adopting the above technical solution, the seal can effectively prevent oil leakage. Specifically, the combination of the sealing ring and the two graphite rings not only enhances the sealing between the connecting plate and the cylinder, but also improves the reliability and durability of the entire system. The sealing ring is located between the two graphite rings, which plays a double sealing role and effectively prevents oil leakage from the connection. The low friction coefficient of the graphite sheet surface can reduce the friction between the sealing ring and the contact surface, reduce wear, extend the service life of the sealing ring, reduce maintenance costs, and enhance the user experience.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. The designed engine oil filter realizes multi-stage high-efficiency filtration to ensure the cleanliness of the engine oil. Specifically, the engine oil can be initially filtered through the first filter component and then enter the second chamber through the oil hole for secondary filtration, which improves the filtration efficiency. The design of the conical filter and the connecting plate in the first filter component can not only effectively intercept large particles of impurities, but also facilitate replacement, reducing the user's maintenance cost; the design of the bypass valve can automatically open when the filter cartridge is blocked to ensure the continuous circulation of the engine oil and avoid affecting the normal operation of the engine due to filter element blockage; the use of the filter cartridge can remove solid impurities in the engine oil and further improve the quality of the engine oil; the design of the oil filter hole on the oil outlet pipe helps the engine oil to flow smoothly into the oil outlet pipe and reduce the flow resistance; in summary, the engine oil filter significantly improves the cleanliness of the engine oil and the reliability of the system through reasonable structural design and multi-stage filtration. At the same time, it is convenient to disassemble and replace the conical filter and the filter cartridge, and also simplifies the maintenance operation.

[0027] 2. The engine oil filter designed by the company allows the connecting plate to be easily and quickly fixed and removed from the cylinder. Specifically, the design of the plug allows the connecting plate to be quickly positioned and locked by a simple push-in action during installation, and when removing it, it is only necessary to press the connecting rod to disengage the plug from the slot to easily remove the connecting plate, greatly simplifying the maintenance process. This design not only improves the filter assembly efficiency, but also reduces the user's operating difficulty and improves the user experience.

[0028] 3. The specially designed engine oil filter, the dynamic filtering method not only enhances the ability to capture impurities in the oil, but also effectively reduces the thickness of impurities accumulated on the filter, prevents clogging, and extends the working cycle and service life of the filter. In addition, the rotating action also helps to throw away larger particles of impurities adsorbed on the filter, further improving the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the structure of an oil filter for an engine according to an embodiment of the present application.

[0030] Figure 2 It is a cross-sectional view of the cylinder at the first viewing angle in this embodiment.

[0031] Figure 3 yes Figure 2 A is an enlarged view of the middle image.

[0032] Figure 4 It is a cross-sectional view of the conical filter screen in this embodiment.

[0033] Figure 5 It is a cross-sectional view of the cylinder from a second viewing angle in this embodiment.

[0034] Figure 6 is a cross-sectional view of the second filter assembly in this embodiment.

[0035] Description of reference numerals: 1, cylinder; 11, partition; 111, sealing ring; 112, oil hole; 12, countersunk screw; 13, first chamber; 14, second chamber; 15, oil outlet pipe; 151, oil filter hole; 16, limit groove; 17, receiving groove; 18, cleaning port; 19, closing door; 2, first filter assembly; 21, connecting piece; 211, connecting plate; 2111, slot; 2112, oil inlet hole; 2113, slide groove; 212, plug block; 213, spring; 214, connecting rod; 22, sealing piece; 221, sealing ring; 222, graphite ring; 23 , first filter element; 231, sliding ring; 232, conical filter screen; 233, filter paper; 234, adsorption source; 24, sliding element; 241, placement ring; 2411, sealing gasket; 2412, sliding groove; 242, adsorption magnet; 243, rotating ring; 3, rotating assembly; 31, outer gear ring; 32, rotating rod; 33, gear; 4, second filter assembly; 41, filter frame; 411, bottom plate; 42, second filter element; 421, adsorption cylinder; 422, filter cylinder; 43, bypass valve; 5, cleaning assembly; 51, telescopic rod; 52, cleaning ring; 53, bristles. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1-6 This application is described in further detail.

[0037] The embodiment of the present application discloses an oil filter for an engine.

[0038] Reference Figure 1 , Figure 2 and Figure 3 An engine oil filter comprises a cylinder 1 and a first filter assembly 2, wherein the first filter assembly 2 is arranged on the cylinder 1.

[0039] Reference Figure 1 and Figure 2In this embodiment, the cylinder 1 is a hollow cylinder with an opening at the top of the cylinder 1. A partition 11 is provided inside the cylinder 1. In this embodiment, the partition 11 is located in the middle of the cylinder 1. The setting direction of the partition 11 is perpendicular to the axial direction of the cylinder 1. A plurality of countersunk screws 12 are evenly provided along the circumference of the cylinder 1 near the partition 11 on the outside of the cylinder 1. The countersunk screws 12 are sequentially passed through the cylinder 1 and the partition 11. The countersunk screws 12 are threadedly connected to the cylinder 1 and the partition 11 in sequence. The partition 11 is detachably connected to the cylinder 1 through the countersunk screws 12. The partition 11 divides the cylinder 1 into a first chamber 13 and a second chamber 14. A sealing ring 111 is provided on the side wall of the partition 11. The sealing ring 111 is fixedly bonded to the partition 11. The sealing ring 111 can seal the connection between the partition 11 and the cylinder 1 to prevent engine oil from seeping into the connection between the partition 11 and the cylinder 1.

[0040] Reference Figure 2 An oil outlet pipe 15 is provided in the cylinder 1, and the axis of the oil outlet pipe 15 coincides with the axis of the cylinder 1. One end of the oil outlet pipe 15 is located in the first chamber 13, and the other end is inserted through the partition 11 and extends into the second chamber 14. The oil outlet pipe 15 is welded to the partition 11, and the oil outlet pipe 15 is used to discharge the filtered oil.

[0041] Reference Figure 2 , Figure 3 and Figure 4The first filter assembly 2 includes a connector 21, a seal 22, a first filter 23 and a sliding member 24. The connector 21 includes a connecting plate 211, two plug blocks 212, two springs 213 and two connecting rods 214. The cylinder 1 is provided with a limiting groove 16 for placing the connecting plate 211 at the opening. The connecting plate 211 can close the opening of the cylinder 1. The cylinder 1 is provided with two receiving grooves 17 in the limiting groove 16. The two receiving grooves 17 are symmetrically arranged along the axis of the cylinder 1. The plug block 21 2 corresponds to the receiving groove 17 one by one, the plug block 212 is located in the receiving groove 17, the plug block 212 is slidably connected to the cylinder 1, and the two plug blocks 212 can slide towards or away from each other. The plug block 212 is inclined away from the bottom of the cylinder 1, and the inclined surface of the plug block 212 is inclined from the opening of the cylinder 1 to the bottom of the cylinder 1 toward the side close to the axis of the cylinder 1. The spring 213 corresponds to the plug block 212 one by one, the spring 213 is located in the receiving groove 17, and the setting direction of the spring 213 is The sliding direction of the plug block 212 is consistent, one end of the spring 213 is welded to the cylinder 1, and the other end is welded to the plug block 212. In this embodiment, the spring 213 is a compression spring, and a slot 2111 for inserting the plug block 212 is provided on the side wall of the connecting plate 211. The connecting rod 214 corresponds to the plug block 212 one by one. The connecting rod 214 is vertically arranged with the connecting plate 211. The connecting rod 214 is inserted into the slot 2111 after being inserted into the connecting plate 211. The connecting rod 214 is elastically slidably connected to the connecting plate 211, when the plug block 212 is inserted into the slot 2111, at this time, the connecting plate 211 is fixed to the cylinder 1. When the connecting plate 211 needs to be removed, the person presses the connecting rod 214, and the connecting rod 214 pushes the plug block 212 to move toward the side away from the axis of the cylinder 1 until the plug block 212 is separated from the slot 2111. The plug block 212 is completely located in the accommodating groove 17, and the connecting plate 211 can be separated from the cylinder 1. A plurality of oil inlet holes 2112 for the oil to enter are provided on the connecting plate 211.

[0042] Reference Figure 2 and Figure 3 The sealing member 22 includes a sealing ring 221 and two graphite rings 222. The sealing ring 221 and the two graphite rings 222 are both sleeved on the peripheral wall of the connecting plate 211. The two graphite rings 222 are coaxially arranged, and a gap is left between the two graphite rings 222. The graphite ring 222 close to the connecting plate 211 has a smaller diameter. The sealing ring 221 is located in the gap. The inner side of the sealing ring 221 is fixedly bonded to the graphite ring 222 with a smaller diameter, and the outer side is fixedly bonded to the graphite ring 222 with a larger diameter. The inner side of the graphite ring 222 with a smaller diameter is fixedly bonded to the side wall of the connecting plate 211, so as to seal the connection between the connecting plate 211 and the cylinder 1.

[0043] Reference Figure 2 and Figure 4The first filter element 23 includes a sliding ring 231, a conical filter screen 232, a filter paper 233 and a plurality of adsorption sources 234. A sliding groove 2113 is provided on the side of the connecting plate 211 close to the cylinder body 1, and the sliding groove 2113 is arranged circumferentially along the connecting plate 211. In this embodiment, the longitudinal section of the sliding groove 2113 is T-shaped, the sliding ring 231 is located in the sliding groove 2113, the side wall of the sliding ring 231 is fitted with the groove wall of the sliding groove 2113, the sliding ring 231 can slide in the sliding groove 2113, the conical filter screen 232 is located on the side of the connecting plate 211 close to the cylinder body 1, and the opening of the conical filter screen 232 faces the side of the sliding ring 231, and the conical filter screen 232 is fixedly connected to the sliding ring 231 by screws. The oil inlet 2112 is connected to the inside of the conical filter 232, the filter paper 233 is attached to the outside of the conical filter 232, and the filter paper 233 is fixedly connected to the conical filter 232 by screws. When the engine oil enters the conical filter 232 through the oil inlet 2112, the conical filter 232 and the filter paper 233 can filter the impurities in the engine oil, and the conical filter 232 and the filter paper 233 form a conical cylinder; multiple adsorption sources 234 are all located in the conical filter 232. In this embodiment, the adsorption source 234 is a magnet, which is used to adsorb metals such as iron filings contained in the engine oil. A guide rod is fixedly connected to one side of the magnet by screws, one end of the guide rod is connected to the magnet, and the other end is fixedly connected to the conical filter 232 by screws.

[0044] Reference Figure 4 The sliding member 24 is located at the bottom of the conical cylinder, and the oil outlet pipe 15 is penetrated at the bottom of the conical cylinder. The sliding member 24 includes a placement ring 241, at least two adsorption magnets 242 and a rotating ring 243. The placement ring 241 is sleeved on the outer wall of the oil outlet pipe 15, and the placement ring 241 is close to the bottom of the conical cylinder. In this embodiment, the number of adsorption magnets 242 is four, and the four adsorption magnets 242 are divided into two groups. The two groups of adsorption magnets 242 are symmetrically arranged along the axis of the oil outlet pipe 15. One adsorption magnet 242 in the same group is embedded in the outer wall of the oil outlet pipe 15, and the other adsorption magnet 242 is embedded in the outer wall of the oil outlet pipe 15. An adsorption magnet 242 is embedded in the inner side of the placement ring 241. The two adsorption magnets 242 in the same group are attracted to each other and can connect the placement ring 241 and the oil outlet pipe 15. A sealing gasket 2411 is fixedly bonded to the inner side of the placement ring 241. The sealing gasket 2411 can seal the connection between the placement ring 241 and the oil outlet pipe 15. A sliding groove 2412 is provided on the outer side of the placement ring 241 for placing the rotating ring 243. The rotating ring 243 is slidably connected to the placement ring 241, and the bottom of the conical cylinder is fixedly connected to the rotating ring 243 by screws.

[0045] Reference Figure 5 An engine oil filter also includes a rotating component 3, a second filter component 4 and a cleaning component 5. The rotating component 3, the second filter component 4 and the cleaning component 5 are all arranged in the cylinder 1, and the rotating component 3 is connected to the first filter component 2.

[0046] Reference Figure 5 The rotating assembly 3 includes an outer gear ring 31, a rotating rod 32 and a gear 33. The outer gear ring 31 is sleeved on the outside of the conical cylinder, and the outer gear ring 31 is fixedly connected to the conical cylinder by screws. The rotating rod 32 is located in the first chamber 13. The rotating rod 32 is vertically arranged with the connecting plate 211. One end of the rotating rod 32 is rotatably connected with the connecting plate 211, and the other end is coaxially welded with the gear 33. The rotating rod 32 is electrically connected to the controller, and the gear 33 is meshed with the outer gear ring 31. The controller drives the rotating rod 32 to rotate, which can make the gear 33 drive the outer gear ring 31 to rotate, thereby rotating the conical cylinder.

[0047] Reference Figure 5 and Figure 6 , the partition 11 is truncated, and a plurality of oil holes 112 are opened at the side wall of the partition 11 near the cylinder 1, so that the filtered engine oil can flow through the first chamber 13 to the second chamber 14. The second filter assembly 4 is located in the second chamber 14. The second filter assembly 4 includes a filter frame 41, a second filter element 42 and a bypass valve 43. In this embodiment, the filter frame 41 is cylindrical, and the filter frame 41 is coaxially arranged with the oil outlet pipe 15. The filter frame 41 is detachably connected to the partition 11 by screws, and the oil hole 112 is located on the outside of the filter frame 41. The second filter element 42 includes an adsorption cylinder 421 and a filter cylinder 422. The adsorption cylinder 421 is coaxially located on the outside of the filter frame 41, and the adsorption cylinder 421 is fixedly connected to the filter frame 41 by screws. The adsorption cylinder 421 uses activated carbon adsorption material, which can adsorb the odor in the engine oil. The filter cylinder 422 is coaxially located on the outside of the adsorption cylinder 421, and the filter cylinder 422 is fixedly connected to the filter frame 41 by screws. The filter cylinder 422 can The oil can be filtered again, and the outer side of the filter cartridge 422 is flush with the surface of the filter frame 41; a bottom plate 411 is welded to the bottom of the filter frame 41 for sealing the bottom of the filter frame 41, and the oil outlet pipe 15 is penetrated through the bottom plate 411. The oil outlet pipe 15 is located in the filter frame 41. A plurality of oil filter holes 151 are opened on the side wall at one end thereof, so that the filtered oil can enter the oil outlet pipe 15. The bypass valve 43 is fixedly connected to the oil outlet pipe 15 at one end thereof in the second chamber 14 through a flange, and the bypass valve 43 is The inlet is connected to the second chamber 14, and the outlet is connected to the oil outlet pipe 15. The oil outlet pipe 15 is located in the second chamber 14 and has a specified height with one end thereof from the bottom wall of the cylinder 1. When the engine oil viscosity is high during cold start or the filter cartridge 422 is partially or completely blocked, the pressure of the oil pump increases continuously and the bypass valve 43 is opened. At this time, the oil filtered by the first filter element 23 is circulated back to the engine through the bypass valve 43, effectively preventing particulate impurities from being flushed back into the engine through the bypass valve 43.

[0048] Reference Figure 5 and Figure 6The cleaning assembly 5 includes two telescopic rods 51, a cleaning ring 52 and a plurality of bristles 53. The two telescopic rods 51 are both located in the second chamber 14, and the two telescopic rods 51 are both perpendicular to the bottom of the cylinder 1. The two telescopic rods 51 are symmetrically arranged along the axial direction of the cylinder 1. The cleaning ring 52 is sleeved on the outside of the filter cartridge 422, and the cleaning ring 52 is slidably connected to the filter cartridge 422. The cleaning ring 52 can reciprocate along the axial direction of the cylinder 1. One end of the telescopic rod 51 is welded to the side wall of the cylinder 1, and the other end is welded to the cleaning ring 52. The telescopic rod 51 is electrically connected to the controller. The plurality of bristles 53 are circumferentially arranged along the cleaning ring 52. It is evenly fixed and bonded to the inner wall of the cleaning ring 52, and the bristles 53 are in contact with the filter cartridge 422. When the controller controls the telescopic rod 51 to move, the telescopic rod 51 pushes the cleaning ring 52 to move, so that the bristles 53 scrape off the impurities on the surface of the filter cartridge 422; a cleaning port 18 is opened on the side wall of the cylinder 1, and the cleaning port 18 is close to the bottom of the cylinder 1, and the bottom of the cleaning port 18 is flush with the inner side of the bottom wall of the cylinder 1. The cylinder 1 is provided with a closing door 19 at the cleaning port 18, and one side of the closing door 19 is hinged to the cylinder 1, and the side of the closing door 19 away from the hinged end is detachably connected to the cylinder 1, and the closing door 19 is used to seal the cleaning port 18.

[0049] The implementation principle of an engine oil filter in an embodiment of the present application is as follows: when the engine oil filter is needed, first, the first filter component 2, the rotating component 3, the second filter component 4 and the cylinder 1 are assembled, and then the engine oil filter is installed at a designated position, and the oil to be filtered enters the conical filter 232 through the oil inlet hole 2112, and the rotating rod 32 is started by the controller, and the conical filter 232 is driven to rotate by the gear 33, so that the oil can be filtered once, and at the same time, the adsorption source 234 can adsorb the iron filings and other devices in the oil; the filtered oil flows to the partition 11, and then enters the second chamber 14 through the oil hole 112, and the oil passes through the filter cartridge 422 and the adsorption cartridge 421 in the second filter element 42 for secondary filtration of the oil, and the treated oil enters the oil outlet pipe 15 and flows to the engine again.

[0050] When the conical filter 232 needs to be replaced, the personnel presses the two connecting rods 214, and the connecting rods 214 can push the plug block 212 to move until the plug block 212 is completely located in the accommodating groove 17, and the connecting plate 211 is taken out. At this time, the conical filter 232 is separated from the oil outlet pipe 15, and the conical filter 232 moves synchronously with the connecting plate 211. Subsequently, a new conical filter 232 is replaced, so that the top of the oil outlet pipe 15 passes through the top of the conical filter 232, and the connecting plate 211 is continued to be pushed so that the connecting plate 211 is located in the limiting groove 16, and the plug block 212 is inserted into the slot 2111, and the conical filter 232 is installed.

[0051] When the second filter element 42 needs to be replaced, first, remove the connecting plate 211 to separate the conical filter screen 232 from the oil outlet pipe 15. Then, screw a plurality of countersunk screws 12 to separate the partition 11 from the cylinder 1. The operator removes the oil outlet pipe 15 and the partition 11. At this time, the second filter element 42 moves synchronously with the partition 11, and the second filter element 42 can be replaced.

[0052] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An engine oil filter, characterized in that: The invention comprises a cylinder (1), a first filter assembly (2) and a second filter assembly (4); the top of the cylinder (1) is open; a partition (11) is detachably connected to the cylinder (1); the partition (11) is arranged in a direction perpendicular to the axial direction of the cylinder (1); the partition (11) divides the cylinder (1) into a first chamber (13) and a second chamber (14); an oil outlet pipe (15) for discharging engine oil is arranged in the cylinder (1); the oil outlet pipe (15) passes through the partition (11); the oil outlet pipe (15) is connected to the partition (11); and a plurality of oil holes (112) are opened on the partition (11); The first filter assembly (2) comprises a connecting member (21) and a first filter member (23); the connecting member (21) comprises a connecting plate (211) for closing the opening of the cylinder (1); the connecting plate (211) is detachably connected to the cylinder (1); a plurality of oil inlet holes (2112) are provided on the connecting plate (211); the first filter member (23) comprises a conical filter screen (232) for filtering engine oil; the conical filter screen (232) is connected to a side of the connecting plate (211) close to the inside of the cylinder (1); the opening of the conical filter screen (232) faces a side of the connecting plate (211); the oil inlet holes (2112) and the conical filter screen (232) are oriented toward each other. 232) is internally connected, the second filter assembly (4) includes a second filter element (42) and a bypass valve (43), the second filter element (42) includes a filter cartridge (422), the filter cartridge (422) is coaxially arranged on the outer wall of the oil outlet pipe (15), the filter cartridge (422) is detachably connected to the side of the partition (11) close to the second chamber (14), the oil hole (112) is located on the outside of the filter cartridge (422), the oil outlet pipe (15) is located in a section of the side wall of the filter cartridge (422) and is provided with a plurality of oil filter holes (151) for oil to pass through, and the bypass valve (43) is connected to one end of the oil outlet pipe (15) located in the second chamber (14).

2. The engine oil filter according to claim 1, characterized in that: The connecting member (21) further comprises two plug blocks (212) and two connecting rods (214); the cylinder (1) is provided with a limiting groove (16) at the opening for placing the connecting plate (211); the cylinder (1) is provided with two receiving grooves (17) in the limiting groove (16); the two receiving grooves (17) are symmetrically arranged along the axis of the cylinder (1); the plug blocks (212) correspond to the receiving grooves (17) one by one; the plug blocks (212) are located in the receiving grooves (17); the plug blocks (212) are elastically slidably connected to the cylinder (1); the two plug blocks (212) can slide towards or away from each other; the plug blocks (212) are 12) is inclined away from the bottom of the cylinder (1), the inclined surface of the plug block (212) is inclined from the opening of the cylinder (1) to the bottom of the cylinder (1) toward the side close to the axis of the cylinder (1), the side wall of the connecting plate (211) is provided with a slot (2111) for inserting the plug block (212), the connecting rod (214) corresponds to the plug block (212) one by one, the connecting rod (214) and the connecting plate (211) are vertically arranged, the connecting rod (214) is inserted into the slot (2111) after being passed through the connecting plate (211), and the connecting rod (214) is elastically slidably connected to the connecting plate (211).

3. The engine oil filter according to claim 1, characterized in that: The first filter element (23) further comprises a sliding ring (231); a sliding groove (2113) is provided on a side of the connecting plate (211) close to the cylinder (1); the sliding groove (2113) is arranged along the circumference of the connecting plate (211); the longitudinal section of the sliding groove (2113) is T-shaped; the sliding ring (231) is located in the sliding groove (2113); the side wall of the sliding ring (231) is in contact with the groove wall of the sliding groove (2113); the sliding ring (231) can slide in the sliding groove (2113); and the opening side of the conical filter screen (232) is connected to the sliding ring (231); The engine oil filter further comprises a rotating assembly (3), the rotating assembly (3) comprising an outer toothed ring (31), a rotating rod (32) and a gear (33), the outer toothed ring (31) being sleeved on the outer side of the conical filter (232), the rotating rod (32) being located in the first chamber (13), the rotating rod (32) being arranged perpendicularly to the connecting plate (211), one end of the rotating rod (32) being rotatably connected to the connecting plate (211), and the other end being coaxially fixed to the gear (33), the rotating rod (32) being electrically connected to a controller, and the gear (33) being meshed with the outer toothed ring (31).

4. The engine oil filter according to claim 3, characterized in that: The first filter element (23) further comprises a plurality of adsorption sources (234), wherein the plurality of adsorption sources (234) are all connected to the conical filter screen (232), and the adsorption sources (234) are used to adsorb metals such as iron filings contained in the engine oil.

5. The engine oil filter according to claim 3, characterized in that: The first filter assembly (2) also includes a sliding member (24), the oil outlet pipe (15) is inserted through the bottom of the conical filter (232), the sliding member (24) includes a placement ring (241) and a rotating ring (243), the placement ring (241) is sleeved on the outer wall of the oil outlet pipe (15), the placement ring (241) is close to the bottom of the conical filter (232), the placement ring (241) is detachably connected to the oil outlet pipe (15), a sliding groove (2412) for placing the rotating ring (243) is provided on the outer side of the placement ring (241), the rotating ring (243) is slidably connected to the placement ring (241), and the bottom of the conical filter (232) is connected to the rotating ring (243).

6. The engine oil filter according to claim 5, characterized in that: The sliding member (24) further comprises at least two adsorption magnets (242), wherein one of the adsorption magnets (242) is embedded in the outer wall of the oil outlet pipe (15), and the other of the adsorption magnets (242) is embedded in the inner side of the placement ring (241), and the two adsorption magnets (242) are magnetically attracted to each other.

7. The engine oil filter according to claim 1, characterized in that: The second filter assembly (4) further comprises a filter frame (41), the filter frame (41) being coaxially arranged with the oil outlet pipe (15), the filter frame (41) being detachably connected to the partition plate (11), and the filter cartridge (422) being coaxially sleeved on the filter frame (41); The second filter element (42) further comprises an adsorption cylinder (421) for adsorbing odor in the engine oil, wherein the adsorption cylinder (421) is coaxially sleeved on the outside of the filter frame (41), and the adsorption cylinder (421) is located on a side of the filter cylinder (422) close to the filter frame (41).

8. The engine oil filter according to claim 7, characterized in that: The cleaning assembly (5) further comprises two telescopic rods (51), a cleaning ring (52) and a plurality of bristles (53). The two telescopic rods (51) are both located in the second chamber (14). The two telescopic rods (51) are both perpendicular to the bottom of the cylinder (1). The two telescopic rods (51) are symmetrically arranged along the axis of the cylinder (1). The cleaning ring (52) is sleeved on the outside of the filter cartridge (422). The cleaning ring (53) is disposed on the outside of the filter cartridge (422). 2) slidably connected to the filter cartridge (422), the cleaning ring (52) reciprocatingly slides along the axial direction of the cylinder (1), one end of the telescopic rod (51) is fixed to the side wall of the cylinder (1), and the other end is fixed to the cleaning ring (52), the telescopic rod (51) is electrically connected to the controller, and a plurality of bristles (53) are evenly fixed and bonded to the inner wall of the cleaning ring (52) along the circumference of the cleaning ring (52), and the bristles (53) are in contact with the filter cartridge (422).

9. The engine oil filter according to claim 8, characterized in that: The side wall of the cylinder (1) is provided with a cleaning port (18), the cleaning port (18) is close to the bottom of the cylinder (1), the bottom of the cleaning port (18) is flush with the inner side of the bottom wall of the cylinder (1), and the cylinder (1) is connected to the cleaning port (18) with a closed door (19) for sealing the cleaning port (18).

10. The engine oil filter according to claim 2, characterized in that: The first filter assembly (2) further comprises a sealing member (22), the sealing member (22) comprising a sealing ring (221) and two graphite rings (222), the sealing ring (221) and the two graphite rings (222) both being sleeved on the peripheral wall of the connecting plate (211), a gap being left between the two graphite rings (222), the graphite ring (222) close to the connecting plate (211) having a smaller diameter, the sealing ring (221) being located in the gap, the inner side of the sealing ring (221) being fixedly bonded to the graphite ring (222) having a smaller diameter, the outer side of the sealing ring (221) being fixedly bonded to the graphite ring (222) having a larger diameter, and the inner side of the graphite ring (222) having a smaller diameter being fixedly bonded to the side wall of the connecting plate (211).

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