Double-filtration separation device and engine oil filter comprising same

Abstract

The invention discloses a double-filtration separation device and an engine oil filter comprising the same, and the double-filtration separation device comprises a separation ring, a filter element and a filter element, the separation cavity is coaxially formed in the separation ring in an annular form; the magnetic block and the granular activated carbon are positioned in the separation chamber; the inlet hole and the outlet hole are formed in the separation ring and are both communicated with the separation cavity; the filter screen is fixedly arranged at the outlet hole and is used for holding granular active carbon; wherein low-temperature engine oil containing impurities enters the separation cavity through the inlet hole and is discharged from the outlet hole after being subjected to double adsorption of the magnetic block and the granular activated carbon, and the discharged engine oil flows back through the bypass valve. The cover pole is fixedly arranged at the top of the shell; and the sealing ring is fixedly arranged on the cover pole. Engine oil directly impacts on the inner rings of the magnetic blocks and rotationally flows in the inner rings of the magnetic blocks, so that metal particles in the engine oil move towards the magnetic blocks, and the metal particles are magnetically adsorbed by the magnetic blocks more quickly in cooperation with magnetic adsorption of the magnetic blocks.

Description

Technical Field

[0001] The invention relates to the technical field of separation, and in particular to a double filtering and separating device and an oil filter containing the device. Background Art

[0002] Motor oil, the abbreviation of engine lubricating oil, can lubricate and reduce wear of the engine, assist in cooling and temperature reduction, seal and prevent leakage, prevent rust and corrosion, and reduce shock and buffer.

[0003] When the engine oil runs in the engine, it will inevitably carry impurities such as metal particles, colloids and carbon sediments. In order to maintain the purity of the engine oil, an oil filter is used to separate the aforementioned impurities from the engine oil. Due to the special nature of the engine oil, it is essentially viscous at low temperatures and cannot be filtered and separated by the filter material in the filter. Instead, the bypass valve is opened and the oil directly flows back into the engine. As the temperature gradually rises, the fluidity of the oil increases and the impurities can be separated from the oil through the filter material. In the process of fluidity conversion, the oil directly enters the engine without being separated by the filter material, causing damage to the engine. Summary of the invention

[0004] The purpose of the present invention is to provide a double filtering and separation device and an oil filter containing the device, and to add another separation structure to separate impurities from the oil whose low low-temperature fluidity makes it impossible for the filter material to separate the oil, thereby reducing impurities in the oil and protecting the smooth operation of the engine.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A double filtration separation device, comprising: Separation ring; The separation chamber is coaxially disposed inside the separation ring in an annular form; A magnetic block is located inside the separation chamber, so that the separation chamber has a magnetic field; The inlet hole and the outlet hole are provided on the separation ring and are both connected with the separation chamber; The liquid containing impurities enters the separation chamber through the inlet hole and is discharged from the outlet hole after being magnetically adsorbed by the magnetic block.

[0006] Preferably, the magnetic block is annular and fixedly connected to the inside of the separation chamber, and the virtual center axes of the multiple inlet holes are tilted so that the oil entering the separation chamber through the inlet holes directly impacts the inner ring of the magnetic block and rotates and flows in the inner ring of the magnetic block.

[0007] Preferably, granular activated carbon is also arranged in the separation chamber, and a filter is fixedly arranged at one end of the outlet hole to collect the granular activated carbon.

[0008] Preferably, a limiting ring is coaxially fixedly connected inside the separation chamber, and a rotating plate is also provided inside the separation chamber. A limiting groove is provided on the top of the rotating plate, the limiting groove is slidably connected to the limiting ring, and the bottom of the rotating plate extends to the outlet hole.

[0009] Preferably, a liquid storage ring is also fixedly connected inside the separation chamber, an annular liquid storage tank is provided inside the liquid storage ring, paraffin is placed inside the liquid storage tank, a heat-conducting ring is sealingly and slidingly provided on the liquid storage ring, a wrapping portion is fixedly connected to one side of the heat-conducting ring inside the liquid storage tank, and a plurality of inclined plates are fixedly connected to one side of the heat-conducting ring outside the liquid storage tank, the liquid storage ring and the wrapping portion are both made of materials with poor thermal conductivity, and the heat-conducting ring is made of materials with excellent thermal conductivity.

[0010] An oil filter, comprising a double filtering and separating device, further comprising: shell; A cover electrode, fixedly arranged on the top of the shell; A sealing ring, fixedly arranged on the cover electrode; A check valve is fixedly connected to the cover electrode; The filter material consists of a center ring and folded filter paper; The bypass valve is fixedly arranged at one end of the center ring, the check valve is fixedly arranged at the other end of the center ring, the separation ring is located inside the shell, the outer ring of the separation ring is fixedly connected to the shell, and the inner ring of the separation ring is fixedly connected to the center ring.

[0011] Preferably, the cover electrode is provided with a plurality of first holes, one end of the first hole facing the inside of the shell is blocked by a check valve, a thread groove is provided at the center of the cover electrode, a plurality of second holes are provided at the center ring, and the contact part between the filter paper and the center ring is bonded.

[0012] Preferably, the bypass valve consists of a valve body, a valve core and a spring. The valve body is fixedly connected to the center ring. The valve body is also provided with a through hole. The valve core is sealingly and slidably arranged inside the valve body. A spring is also arranged in the valve body, and both ends of the spring are respectively connected to the valve core and the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the structure of a double filtering and separation device and an oil filter containing the device proposed by the present invention; Figure 2 A schematic diagram of the internal structure of a double filtering and separation device and an oil filter containing the device proposed by the present invention; Figure 3 A schematic diagram of the structure of a double filtering and separating device and a center ring and a separating ring in an oil filter containing the device proposed by the present invention; Figure 4A schematic cross-sectional structure diagram of one of the inlet holes of a separation ring in a double filtering and separating device and an oil filter containing the device proposed by the present invention; Figure 5 A schematic diagram of the structure of a double filtering and separation device and a magnetic block and granular activated carbon in a separation ring of an oil filter containing the device proposed by the present invention; Figure 6 The present invention provides a double filtering and separation device and a cross-sectional structural schematic diagram of a liquid storage ring in an oil filter containing the device.

[0014] In the figure: 1. separation ring; 2. separation chamber; 3. magnetic block; 4. granular activated carbon; 5. inlet hole; 6. outlet hole; 7. filter screen; 8. outer shell; 9. cover pole; 10. sealing ring; 11. check valve; 12. center ring; 13. filter paper; 14. first hole; 15. threaded groove; 16. second hole; 17. valve body; 18. valve core; 19. spring; 20. through hole; 21. limit ring; 22. rotating plate; 23. limit groove; 24. liquid storage ring; 25. liquid storage tank; 26. heat transfer ring; 27. wrapping part; 28. inclined plate. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0016] Reference Figure 1 -Attached Figure 6 A double filtering and separating device comprises: a separation ring 1; a separation chamber 2, which is coaxially opened inside the separation ring 1 in an annular form; a magnetic block 3, which is located inside the separation chamber 2 so that the separation chamber 2 has a magnetic field; an inlet hole 5 and an outlet hole 6, which are opened on the separation ring 1 and are both connected with the separation chamber 2; wherein, the liquid containing impurities enters the separation chamber 2 through the inlet hole 5, and is discharged from the outlet hole 6 after being magnetically adsorbed by the magnetic block 3, the magnetic block 3 is annular and fixedly connected inside the separation chamber 2, and the virtual central axes of the multiple inlet holes 5 are inclinedly arranged, so that the engine oil entering the separation chamber 2 through the inlet hole 5 directly impacts the inner circle of the magnetic block 3, and rotates and flows in the inner circle of the magnetic block 3, and granular activated carbon 4 is also arranged in the separation chamber 2, and a filter screen 7 is fixedly arranged at one end of the outlet hole 6 to collect the granular activated carbon 4.

[0017] Since the filter screen 7 in the outlet hole 6 is used to collect the granular activated carbon 4, and the granular activated carbon 4 absorbs more and more impurities, the gaps between the granular activated carbon 4 become smaller and smaller, making it increasingly difficult for the engine oil with poor fluidity due to low temperature to be discharged from the separation chamber 2 through the outlet hole 6, the following improvements are made: A limit ring 21 is coaxially fixedly connected inside the separation chamber 2, and a rotating plate 22 is also provided inside the separation chamber 2. A limit groove 23 is provided on the top of the rotating plate 22, and the limit groove 23 is slidably connected to the limit ring 21. The bottom of the rotating plate 22 extends to the outlet hole 6, and a liquid storage ring 24 is also fixedly connected inside the separation chamber 2. An annular liquid storage tank 25 is provided inside the liquid storage ring 24, and paraffin is placed inside the liquid storage tank 25. A heat conductive ring 26 is sealed and slidably provided on the liquid storage ring 24, and a wrapping portion 27 is fixedly connected to one side of the heat conductive ring 26 located inside the liquid storage tank 25, and a plurality of inclined plates 28 are fixedly connected to one side of the heat conductive ring 26 located outside the liquid storage tank 25. The liquid storage ring 24 and the wrapping portion 27 are both made of materials with poor thermal conductivity, and the heat conductive ring 26 is made of materials with excellent thermal conductivity.

[0018] Working principle of the separation device: After the liquid containing impurities enters the separation chamber 2 through the inclined inlet hole 5, the liquid containing impurities impacts the magnetic block 3 and rotates and flows inside the separation chamber 2. The metal particles in the impurities that can be adsorbed by the magnetic field are magnetically adsorbed by the inner circle of the magnetic block 3, and the remaining impurities are physically adsorbed by the granular activated carbon 4 and trapped in the granular activated carbon 4. The rotating liquid acts as a driving force to push the rotating plate 22, and then the rotating plate 22 pushes the granular activated carbon 4, so that the granular activated carbon 4 continuously moves inside the separation chamber 2; The filtered liquid is discharged through the outlet hole 6.

[0019] An oil filter, comprising the above-mentioned separation device, further comprises: a housing 8; a cover electrode 9, fixedly arranged on the top of the housing 8; a sealing ring 10, fixedly arranged on the cover electrode 9; a check valve 11, fixedly connected to the cover electrode 9; a filter material, consisting of a center ring 12 and a folded filter paper 13; wherein the bypass valve is fixedly arranged at one end of the center ring 12, the check valve 11 is fixedly arranged at the other end of the center ring 12, the separation ring 1 is located inside the housing 8 and the outer ring of the separation ring 1 is fixedly connected to the housing 8, the inner ring of the separation ring 1 is fixedly connected to the center ring 12, and the cover electrode 9 is provided with A plurality of first holes 14 are provided, and one end of the first hole 14 facing the inside of the housing 8 is blocked by the check valve 11. A threaded groove 15 is provided at the center of the cover electrode 9. A plurality of second holes 16 are provided at the center ring 12. The contact portion between the filter paper 13 and the center ring 12 is bonded. The bypass valve is composed of a valve body 17, a valve core 18 and a spring 19. The valve body 17 is fixedly connected to the center ring 12. The valve body 17 is also provided with a through hole 20. The valve core 18 is sealingly and slidably provided inside the valve body 17. A spring 19 is also provided inside the valve body 17. The two ends of the spring 19 are respectively connected to the valve core 18 and the valve body 17.

[0020] Working principle of the filter: The low-temperature engine oil enters through the first holes 14 on the cover electrode 9, pushes the check valve 11, and enters the separation chamber 2 through the inlet hole 5 because it cannot pass through the filter material; After entering through the inclined inlet hole 5, the oil impacts the magnetic block 3 and rotates inside the separation chamber 2. The metal particles in the rotating oil that can be adsorbed by the magnetic field are magnetically adsorbed by the inner circle of the magnetic block 3, and the remaining impurities are physically adsorbed by the granular activated carbon 4 and trapped in the granular activated carbon 4. The rotating oil acts as a driving force to push the rotating plate 22, and then the rotating plate 22 pushes the granular activated carbon 4, so that the granular activated carbon 4 continuously moves inside the separation chamber 2; After filtration, the low-temperature engine oil is discharged through the outlet hole 6, and then the valve core 18 is pressed to discharge the filter from the through hole 20.

[0021] Through the above technical scheme, impurities such as adsorbable metal particles, colloids and carbon precipitates are adsorbed through magnetic adsorption of the magnetic block 3 and physical adsorption of the granular activated carbon 4, thereby reducing impurities in the engine oil. The engine oil directly impacts the inner circle of the magnetic block 3 and rotates and flows in the inner circle of the magnetic block 3, so that the metal particles in the engine oil move toward the magnetic block 3. With the magnetic adsorption of the magnetic block 3, the metal particles are magnetically adsorbed by the magnetic block 3 more quickly. The rotating flow of the engine oil entering the separation chamber 2 is used to drive the rotating plate 22 to rotate accordingly, thereby pushing the granular activated carbon 4 located in the separation chamber 2 to move the granular activated carbon 4, avoiding the gap of the granular activated carbon 4 near the outlet hole 6 being too small, which makes it difficult for the engine oil to pass through the outlet hole 6. The rotating flow of the engine oil entering the separation chamber 2 is used to push the inclined plate 28, so that the connecting rod is subjected to an upward force, thereby pushing the heat conductive ring 26 so that the heat conductive ring 26 is in direct contact with the paraffin, thereby heat conduction increases the heat of the low-temperature engine oil to increase its fluidity faster.

[0022] It should be noted that: The engine oil entering the filter has a high temperature, high fluidity state and a low temperature, low fluidity state. The heat of the high temperature state of the engine oil is used to transfer the heat to the paraffin inside the liquid storage ring 24 through the heat transfer ring 26 when the engine oil flows, so that the paraffin changes from solid to liquid. After the engine oil stops flowing, the heat transfer ring 26 descends and does not contact the paraffin, so the heat of the liquid paraffin is temporarily sealed, waiting for the subsequent low-temperature engine oil to flow, and then the paraffin changes from liquid to solid to transfer its heat to the low-temperature engine oil. Reference Figure 6 The heat-conducting ring 26 is located on one side outside the liquid storage tank 25 and will not enter the liquid storage tank 25 even if it moves to the highest point. The height of the wrapping part 27 can be set according to actual conditions to prevent direct contact between the engine oil and the paraffin.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A double filtration separation device, characterized in that: include: Separation ring (1); The separation chamber (2) is coaxially disposed in an annular form inside the separation ring (1); A magnetic block (3) is located inside the separation chamber (2) so as to provide the separation chamber (2) with a magnetic field; An inlet hole (5) and an outlet hole (6) are provided on the separation ring (1) and are both connected to the separation chamber (2); The liquid containing impurities enters the separation chamber (2) through the inlet hole (5), is magnetically adsorbed by the magnetic block (3), and is discharged from the outlet hole (6); The magnetic block (3) is annular and fixedly connected to the interior of the separation chamber (2); the virtual central axes of the plurality of inlet holes (5) are arranged at an angle, so that the engine oil entering the separation chamber (2) through the inlet holes (5) directly impacts the inner ring of the magnetic block (3) and rotates and flows in the inner ring of the magnetic block (3); A liquid storage ring (24) is also fixedly connected inside the separation chamber (2), an annular liquid storage tank (25) is provided inside the liquid storage ring (24), paraffin is placed inside the liquid storage tank (25), a heat conducting ring (26) is provided on the liquid storage ring (24) in a sealing and sliding manner, a wrapping portion (27) is fixedly connected to one side of the heat conducting ring (26) located inside the liquid storage tank (25), and a plurality of inclined plates (28) are fixedly connected to one side of the heat conducting ring (26) located outside the liquid storage tank (25), the liquid storage ring (24) and the wrapping portion (27) are both made of materials with poor thermal conductivity, and the heat conducting ring (26) is made of materials with excellent thermal conductivity.

2. A double filtration separation device according to claim 1, characterized in that: Granular activated carbon (4) is also arranged in the separation chamber (2), and a filter screen (7) is fixedly arranged at one end of the outlet hole (6) to collect the granular activated carbon (4).

3. A double filtration separation device according to claim 2, characterized in that: A limiting ring (21) is coaxially fixedly connected inside the separation chamber (2), and a rotating plate (22) is also provided inside the separation chamber (2). A limiting groove (23) is provided on the top of the rotating plate (22), and the limiting groove (23) is slidably connected to the limiting ring (21), and the bottom of the rotating plate (22) extends to the outlet hole (6).

4. An oil filter, comprising the double filtering and separation device according to any one of claims 1 to 3, characterized in that: Also includes: Shell (8); A cover electrode (9) is fixedly arranged on the top of the housing (8); A sealing ring (10) fixedly arranged on the cover electrode (9); A check valve (11) is fixedly connected to the cover electrode (9); The filter material is composed of a central ring (12) and a folded filter paper (13); The bypass valve is fixedly arranged at one end of the center ring (12), the check valve (11) is fixedly arranged at the other end of the center ring (12), the separation ring (1) is located inside the outer shell (8), the outer ring of the separation ring (1) is fixedly connected to the outer shell (8), and the inner ring of the separation ring (1) is fixedly connected to the center ring (12).

5. The oil filter according to claim 4, characterized in that: The cover electrode (9) is provided with a plurality of first holes (14), one end of the first hole (14) facing the interior of the housing (8) is blocked by a check valve (11), a thread groove (15) is provided at the center of the cover electrode (9), a plurality of second holes (16) are provided on the center ring (12), and the contact portion of the filter paper (13) and the center ring (12) is bonded.

6. The oil filter according to claim 4, characterized in that: The bypass valve comprises a valve body (17), a valve core (18) and a spring (19). The valve body (17) is fixedly connected to a center ring (12). The valve body (17) is also provided with a through hole (20). The valve core (18) is sealingly slidably arranged inside the valve body (17). A spring (19) is also arranged inside the valve body (17). Two ends of the spring (19) are respectively connected to the valve core (18) and the valve body (17).

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