An oil filter device

Abstract

The utility model provides an oil filter device, include: shell, the inner chamber upper end part is equipped with the oil inlet chamber, and the lower end part is equipped with the oil outlet chamber, the shell inside is equipped with the detachable connection filter component, the filter component is equipped in the oil outlet chamber, the filter component includes first filter piece, second filter piece and third filter piece, the first filter piece includes the outer tube and magnetic metal net, the outer tube interval location shell and magnetic metal net between, the outer tube and magnetic metal net bottom surface are equipped with the baffle, the second filter piece is sleeved in magnetic metal net, the second filter piece is through and through in third filter piece, third filter piece is through the baffle and is equipped with first filter piece, this application has can to oil liquid carries out more effective filtration, promotes the purification effect, effectively reduced the risk of blockage, prolongs the equipment's use cycle, is convenient for quick dismounting and cleaning, improves maintenance efficiency and so on advantages.

Description

Technical Field

[0001] This utility model relates to the field of visibility meters, and in particular to an oil filtration device. Background Technology

[0002] During the operation of hydraulic or lubrication systems, metal shavings, dust, or other impurities may mix into the oil. These impurities can accelerate equipment wear, affect system stability, and even lead to equipment failure. Therefore, oil filtration devices are crucial components for ensuring the normal operation of equipment.

[0003] Currently, oil filtration generally uses screen filtration. This method uses a screen woven from metal wire or other corrosion-resistant materials to form a filter surface with a specific pore size. The oil flows through the screen under gravity or low pressure, thereby intercepting solid particles, debris and other impurities larger than the pore size on the screen surface.

[0004] However, screen filtration mainly relies on the size of the pores to intercept particulate matter, which means that it can only remove particles larger than its pore size. It cannot remove fine particles smaller than the pore size, especially micron-sized contaminants. Utility Model Content

[0005] The main purpose of this invention is to provide an oil filtration device to solve the problem of impurities in oil.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: an oil filtration device, comprising: The outer shell has an oil inlet chamber at the upper end and an oil outlet chamber at the lower end. The outer shell is equipped with a detachable filter assembly, which is located in the oil outlet chamber. The filter assembly includes a first filter element, a second filter element, and a third filter element. The first filter element includes an outer cylinder and a magnetic metal mesh, wherein the outer cylinder is spaced between the outer shell and the magnetic metal mesh, and a partition is provided on the bottom surface of the outer cylinder and the magnetic metal mesh; The second filter element is sleeved inside the magnetic metal mesh, and the second filter element is connected to the third filter element. The third filter element is clamped to the first filter element by a partition.

[0007] In a preferred embodiment, an oil inlet pipe and an oil outlet pipe are staggered on the outer wall of the outer casing. The oil inlet pipe and the oil inlet chamber are interconnected, and the oil outlet pipe and the oil outlet chamber are interconnected. An annular plate and a pressure plate are provided between the oil inlet pipe and the oil outlet pipe. The pressure plate is provided with a plurality of oil inlet holes spaced apart circumferentially.

[0008] In a preferred embodiment, the second filter element includes a filter cartridge, and the partition plate is provided with a mating ring for abutting the filter cartridge.

[0009] In a preferred embodiment, the third filter element includes a filter ring and a ceramic membrane, the ceramic membrane being fitted inside the filter ring, an oil cavity channel for inserting the ceramic membrane being opened in the middle of the partition, and a plurality of spaced oil outlet holes being opened on the filter ring.

[0010] In a preferred embodiment, the annular plate includes abutting protrusion and a groove that are connected together, and a sealing ring is provided on the abutting protrusion and the groove. Fasteners provided on the pressure plate are used to connect to the annular plate, and the sealing ring abuts against the annular plate through the pressure plate.

[0011] In the preferred embodiment, the bottom of the pressure plate abuts against the outer cylinder, and the bottom of the pressure plate is provided with a lower protruding ring for mounting a magnetic metal mesh. The oil inlet hole is connected between the outer cylinder and the magnetic metal mesh.

[0012] In a preferred embodiment, the top of the housing is provided with a sealing cap, and the bottom is provided with a mounting base.

[0013] In a preferred embodiment, the outer wall of the outer casing is further provided with multiple branch connection ends, which are respectively located in the vertical direction of the oil inlet pipe and the oil outlet pipe. The beneficial effects of this utility model are: 1. Employing a multi-stage filtration system, it can more effectively filter oil and improve purification efficiency; 2. Due to the large filtration space, the risk of clogging is effectively reduced, extending the service life of the equipment; 3. The internal structure is designed to be detachable, which facilitates quick disassembly and cleaning and improves maintenance efficiency. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a three-dimensional structural diagram of the entire utility model; Figure 2 This is a slanted view of the structure of this utility model; Figure 3 This is a front view of the structure of this utility model; Figure 4 This is a cross-sectional structural diagram of the present invention; Figure 5 This is a utility model Figure 4 The structural diagram of A in the middle.

[0015] In the diagram: 1. Outer shell; 101. Oil inlet pipe; 102. Oil outlet pipe; 2. Annular plate; 201. Abutting protrusion ring; 202. Groove; 3. Fastener; 4. Flange; 5. Pressure plate; 501. Oil inlet hole; 6. Outer cylinder; 7. Magnetic metal mesh; 8. Filter element; 9. Filter ring; 901. Oil outlet hole; 10. Sealing cover; 11. Mounting base; 12. Branch connection end; 13. Sealing ring; 14. Connection ring. Detailed Implementation

[0016] Example 1 like Figure 1-5 As shown, an oil filtration device has an oil inlet chamber at the upper end and an oil outlet chamber at the lower end inside the outer casing 1. A pressure plate 5 is provided between the oil inlet chamber and the oil outlet chamber, and the pressure plate 5 has multiple oil inlet holes 501 spaced apart circumferentially. A detachably connected filter assembly is installed inside the outer casing 1. The filter assembly includes a first filter element, a second filter element, and a third filter element. Oil flows sequentially through the oil inlet chamber and the oil inlet holes 501, undergoes initial filtration between the first filter elements, then undergoes secondary filtration in the second filter element, and finally undergoes filtration through the third filter element. The different materials used in the three filtration processes allow for more refined filtration of the oil. An oil inlet pipe 101 and an oil outlet pipe 102 are staggered on the outer wall of the outer casing 1. The oil inlet pipe 101 communicates with the oil inlet chamber, and the oil outlet pipe 102 communicates with the oil outlet chamber. Flanges 4 are provided at the connection ports of both the oil inlet pipe 101 and the oil outlet pipe 102. The oil inlet pipe 101 is connected to a delivery pipe via the flange 4, and the oil outlet pipe 102 is connected to an output pipe via the flange 4.

[0017] An annular plate 2 is provided between the oil inlet chamber and the oil outlet chamber. The annular plate 2 has a through hole in the middle and a circular pressure plate 5 on the top of the annular plate 2. The annular plate 2 and the pressure plate 5 are sealed by a sealing ring 13. The annular plate 2 has a connecting abutting protrusion 201 and a groove 202. The sealing ring 13 is set on the abutting protrusion 201 and the groove 202 to prevent oil from entering the gap between the annular plate 2 and the pressure plate 5 and entering between the outer shell 1 and the outer cylinder 6.

[0018] The pressure plate 5 has an oil inlet hole 501 and a first filter element. The first filter element is located between the outer cylinder 6 and the magnetic metal mesh 7. After the oil enters the outer cylinder 6 and the magnetic metal mesh 7 through the oil inlet hole 501, the metal substances in the oil are first adsorbed by the magnetic metal mesh 7. The magnetic metal mesh 7 is made of high magnetic permeability stainless steel woven mesh. Because there are many holes on the magnetic metal mesh 7, the oil enters the second filter element through the magnetic metal mesh 7. The filtration accuracy of the magnetic metal mesh 7 is about 100μm.

[0019] The second filter element is filter element 8, which is located inside the magnetic metal mesh 7. Filter element 8 performs deep filtration to intercept particles of 10-25μm. The third filter element is located at the bottom of the first filter element and is connected to the second filter element. The third filter element consists of a filter ring 9 and a ceramic membrane. The filter ring 9 is located at the bottom of the outer cylinder 6 and the magnetic metal mesh 7 via a partition. The ceramic membrane is fitted inside the filter ring 9. An oil cavity for inserting the ceramic membrane is opened in the middle of the partition. The third filter element is a nano-porous ceramic membrane (pore size 0.1-5μm) for fine filtration. The surface is coated with an oleophobic coating to prevent clogging. It can intercept colloids, oxides, and tiny suspended solids and can withstand oil at a high temperature of 120℃. The filter ring 9 has multiple oil outlet holes 901 spaced apart. After filtration, the oil enters the space between the outer shell 1 and the outer cylinder 6 through the oil outlet holes 901 and is then transported out through the oil outlet pipe 102.

[0020] The principle of this embodiment 1 is as follows: an oil inlet pipe 101 and an oil outlet pipe 102 are staggered on the outer wall of the outer shell 1. The oil inlet pipe 101 is connected to the oil inlet chamber, and the oil outlet pipe 102 is connected to the oil outlet chamber. The pressure plate 5 holds the outer cylinder 6 and the magnetic metal mesh 7 against the filter ring 9. The filter element 9 is located inside the magnetic metal mesh 7 and is connected to the filter ring 9. The oil enters the filter ring 9 after being filtered by the filter element 9. A ceramic membrane is sleeved in the filter ring 9. The oil first enters the oil inlet chamber through the oil inlet pipe 101, and then exits the oil outlet chamber through the oil inlet hole 501 provided on the pressure plate 5. Before outputting the oil, it first enters the outer cylinder 6 and the magnetic metal mesh 7 for filtration. The magnetic metal mesh 7 adsorbs the metal material in the oil. After the first filtration, the oil enters the filter element 8. After the second filtration by the filter element 8, the oil enters the ceramic membrane through the oil cavity channel provided on the partition. After the third filtration by the ceramic membrane, the oil enters the space between the outer shell 1 and the outer cylinder 6 through the oil outlet hole 901. Finally, the oil is output from the oil outlet pipe 102.

[0021] Example 2 The difference between Example 2 and Example 1 is that: An annular plate 2 and a pressure plate 5 are provided between the oil inlet pipe 101 and the oil outlet pipe 102. The pressure plate 5 has multiple oil inlet holes 501 spaced apart circumferentially. The annular plate 2 includes abutting protrusions 201 and grooves 202 connected together. Sealing rings 13 are provided on the abutting protrusions 201 and grooves 202. Fasteners 3 on the pressure plate 5 are used to connect to the annular plate 2. The sealing rings 13 abut against the annular plate 2 through the pressure plate 5. The sealing rings 13 can prevent oil from entering the oil outlet chamber from the gap between the pressure plate 5 and the annular plate 2.

[0022] The first filter element includes an outer cylinder 6 and a magnetic metal mesh 7. The outer cylinder 6 is spaced between the outer shell 1 and the magnetic metal mesh 7, and a partition is provided on the bottom surface of the outer cylinder 6 and the magnetic metal mesh 7. The second filter element is a filter element 8, and a connecting ring 14 is provided on the partition for abutting the filter element 8. The third filter element is a filter ring 9 and a ceramic membrane. The ceramic membrane is fitted inside the filter ring 9, and an oil cavity channel for inserting the ceramic membrane is opened in the middle of the partition. Multiple spaced oil outlet holes 901 are opened on the filter ring 9.

[0023] The annular plate 2 includes a connecting convex ring 201 and a groove 202. A sealing ring 13 is provided on the convex ring 201 and the groove 202. Fasteners 3 on the pressure plate 5 are used to connect to the annular plate 2, and the sealing ring 13 abuts against the annular plate 2 via the pressure plate 5. The bottom of the pressure plate 5 abuts against the outer cylinder 6. The bottom of the pressure plate 5 has a lower convex ring for mounting a magnetic metal mesh 7. An oil inlet hole 501 penetrates between the outer cylinder 6 and the magnetic metal mesh 7. The outer casing 1 has a sealing cap 10 at the top and a mounting base 11 at the bottom. The outer wall of the outer casing 1 also has multiple branch connection ends 12, which are respectively located in the vertical direction of the oil inlet pipe 101 and the oil outlet pipe 102. The branch connection ends 12 are connected to a booster pump via booster pipes, controlling the flow direction of the oil and accelerating its flow rate.

[0024] The principle of this embodiment 2 is as follows: the pressure plate 5 is provided with a plurality of oil inlet holes 501 at intervals around the periphery. The oil inlet holes 501 are connected to the gap between the outer cylinder 6 and the magnetic metal mesh 7. The bottom of the pressure plate 5 is provided with a lower convex ring, and the magnetic metal mesh 7 is sleeved on the lower convex ring, so that the pressure plate 5 holds the outer cylinder 6 and the magnetic metal mesh 7 against the oil outlet cavity and facilitates disassembly.

[0025] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. An oil filtration device, characterized in that, include: The outer shell (1) has an oil inlet chamber at the upper end and an oil outlet chamber at the lower end. The outer shell (1) is equipped with a detachable filter assembly inside the oil outlet chamber. The filter assembly includes a first filter element, a second filter element, and a third filter element. The first filter element includes an outer cylinder (6) and a magnetic metal mesh (7). The outer cylinder (6) is spaced between the outer shell (1) and the magnetic metal mesh (7). The bottom surfaces of the outer cylinder (6) and the magnetic metal mesh (7) are provided with partitions. The second filter element is fitted inside the magnetic metal mesh (7), and the second filter element is connected to the third filter element. The third filter element is clamped to the first filter element by a partition.

2. The oil filtration device according to claim 1, characterized in that, The outer wall of the outer shell (1) is provided with an oil inlet pipe (101) and an oil outlet pipe (102) staggered. The oil inlet pipe (101) and the oil inlet chamber are connected. The oil outlet pipe (102) and the oil outlet chamber are connected. An annular plate (2) and a pressure plate (5) are provided between the oil inlet pipe (101) and the oil outlet pipe (102). The pressure plate (5) is provided with a plurality of oil inlet holes (501) spaced apart in the circumferential direction.

3. The oil filtration device according to claim 1, characterized in that, The second filter element includes a filter element (8), and the partition is provided with a docking ring (14) for abutting the filter element (8).

4. The oil filtration device according to claim 1, characterized in that, The third filter element includes a filter ring (9) and a ceramic membrane. The ceramic membrane is fitted inside the filter ring (9). An oil cavity channel for inserting the ceramic membrane is opened in the middle of the partition. A plurality of spaced oil outlet holes (901) are opened on the filter ring (9).

5. An oil filtration device according to claim 2, characterized in that, The annular plate (2) includes a connecting protruding ring (201) and a groove (202) connected together. A sealing ring (13) is provided on the connecting protruding ring (201) and the groove (202). A fastener (3) is provided on the pressure plate (5) for connecting to the annular plate (2). The sealing ring (13) abuts against the annular plate (2) through the pressure plate (5).

6. An oil filtration device according to claim 2, characterized in that, The bottom of the pressure plate (5) abuts against the outer cylinder (6), and the bottom of the pressure plate (5) is provided with a lower protruding ring for fitting a magnetic metal mesh (7). The oil inlet (501) is connected between the outer cylinder (6) and the magnetic metal mesh (7).

7. An oil filtration device according to claim 1, characterized in that, The outer casing (1) has a sealing cover (10) on the top and a mounting base (11) on the bottom.

8. An oil filtration device according to claim 1, characterized in that, The outer wall of the outer shell (1) is also provided with a plurality of branch connection ends (12), which are respectively located in the vertical direction of the oil inlet pipe (101) and the oil outlet pipe (102).

Images