Filter element replaceable environment-friendly oil filter

Abstract

The utility model discloses a kind of replaceable environmental protection oil filter of filter element, belong to oil filter technical field, solve the filter element of existing device and cannot move inside fixed shell, when more impurities are filtered in filter element, oil is difficult to discharge through filter element, it is prone to cause oil to be difficult to enter the oil circuit of vehicle, it is prone to cause the problem of vehicle parts damage, including fixed shell, the middle part of fixed shell bottom is fixedly connected with oil outlet pipe, the inside of fixed shell is provided with filter assembly, by the setting of oil outlet pipe, filter cartridge, annular plate, moving plate and spring, when oil cannot pass through filter assembly, oil is gathered in the inside of filter cartridge and makes it receive pressure, and then filter cartridge is pushed to the side close to oil outlet pipe by the pressure of oil, then the oil inlet groove on the side wall of annular plate exposes from the inside of filter cartridge, make oil pass through oil inlet groove and directly enter the oral cavity between fixed shell and filter assembly, and discharge through oil inlet, it is beneficial to the protection of automobile parts.

Description

Technical Field

[0001] This utility model relates to the field of oil filter technology, specifically to an environmentally friendly oil filter with replaceable filter element. Background Technology

[0002] The main function of an oil filter is to filter impurities in engine oil to protect the engine. An oil filter is a device used to filter engine oil, and its main purpose is to remove impurities such as dust, metal particles, carbon deposits, and soot particles from the engine oil.

[0003] A search revealed that patent application number 202420016411.9 discloses a replaceable environmentally friendly oil filter, including a fixed shell. A first limiting block is movably installed at one end of the fixed shell, and an upper rotating groove matching the first limiting block is opened inside the fixed shell. A lower rotating groove for a second limiting block to move is opened inside the fixed shell. A placement groove is opened inside the fixed shell, and a limiting component for limiting the first limiting block is fixedly installed on the surface of the fixed shell. This relates to the field of oil filters.

[0004] Although this replaceable and environmentally friendly oil filter can filter engine oil by connecting the oil pump outlet and inlet, and the filter element can be removed and replaced, the filter element of this replaceable and environmentally friendly oil filter cannot move inside the fixed housing. When a lot of impurities are filtered out of the filter element, the engine oil has difficulty passing through the filter element and may not be able to enter the vehicle's oil system, which may lead to damage to vehicle parts.

[0005] Therefore, we propose an environmentally friendly oil filter with replaceable filter element. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides an environmentally friendly oil filter with a replaceable filter element. This solves the problem that in existing devices, the filter element cannot move inside the fixed housing, and when a large amount of impurities are filtered out, the oil has difficulty passing through the filter element and is therefore unable to enter the vehicle's oil system, which can easily lead to damage to vehicle parts.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a replaceable filter element environmentally friendly oil filter, comprising a fixed shell, a cover detachably connected to the top of the fixed shell, an oil outlet pipe fixedly connected to the middle of the bottom surface of the fixed shell, an oil inlet pipe fixedly connected to the middle of the top surface of the cover, a filter assembly disposed inside the fixed shell, an annular plate fixedly installed in the middle of the bottom surface of the cover, an oil inlet groove distributed in a ring array penetrating through the middle of the side wall of the annular plate, the top of the oil outlet pipe being sealed and extending into the interior of the fixed shell, and an oil inlet groove distributed in a ring array penetrating through the side wall of the end of the oil outlet pipe inside the fixed shell. The oil outlet pipe has a movable plate slidably fitted at one end inside the fixed shell. A spring is fixedly installed on the bottom surface of the movable plate, and the end of the spring away from the movable plate is fixedly installed on the bottom surface of the fixed shell. The filter assembly includes a filter cylinder, filter paper, and an outer sleeve. The filter cylinder is hollow inside and open at the top. The top of the filter cylinder is movably fitted on the outer surface of the annular plate. The filter cylinder has evenly distributed through holes in the middle of its side wall. The filter paper is fixedly fitted on the outer surface of the filter cylinder. An outer sleeve is fixedly installed in the middle of the bottom surface of the filter cylinder. The outer sleeve is movably fitted on the outer surface of the oil outlet pipe, and the bottom surface of the outer sleeve is in contact with the top surface of the movable plate.

[0008] Preferably, an annular sealing gasket located on the outer ring of the annular plate is fixedly connected to the top surface inside the cover body. The length of the annular plate is the same as the length of the outer sleeve. By fitting the annular plate onto the outer surface of the filter cylinder and fitting the outer sleeve onto the top of the oil outlet pipe, the filter cylinder can be prevented from detaching from the annular plate or the oil outlet pipe by the limiting action of the spring.

[0009] Preferably, four springs are provided, and the four springs are arranged in a ring array on the bottom surface of the moving plate. The springs push the moving plate upward, and the moving plate pushes the filter cylinder, filter paper and outer sleeve upward, so that the top surface of the filter cylinder contacts the annular sealing gasket on the inner top surface of the cover, which can prevent the oil from flowing out from the gap between the filter cylinder and the cover.

[0010] Preferably, the cover has a U-shaped cross-section and is threaded onto the outer surface of the top of the fixed shell, so as to facilitate the assembly or disassembly of the fixed shell and the cover.

[0011] Preferably, a limiting ring is fixedly fitted on the outer surface of the top of the fixed shell, and a rubber sealing gasket is bonded to the top surface of the limiting ring. The bottom surface of the cover is in close contact with the top surface of the rubber sealing gasket. The rubber sealing gasket can increase the stability of the connection between the cover and the limiting ring.

[0012] This utility model provides an environmentally friendly oil filter with a replaceable filter element. It has the following beneficial effects:

[0013] 1. This replaceable environmentally friendly oil filter, through the arrangement of an oil outlet pipe, filter cartridge, annular plate, moving plate, and spring, allows oil to accumulate inside the filter cartridge when it cannot pass through the filter assembly. This pressure pushes the filter cartridge towards the oil outlet pipe, exposing the oil inlet groove on the side wall of the annular plate. This allows the oil to directly enter the cavity between the fixed housing and the filter assembly and then exit through the inlet. This avoids damage to automotive parts caused by oil blockage in the filter assembly, which prevents timely lubrication. It also protects automotive parts and solves the problem of existing devices where the filter element cannot move inside the fixed housing, and when the filter element contains a lot of impurities, the oil cannot easily pass through and exit, making it difficult for the oil to enter the vehicle's oil circuit and potentially damaging vehicle parts.

[0014] 2. This replaceable environmentally friendly oil filter features a cover that is threaded onto the top outer surface of the fixed housing. When the filter needs to be replaced or cleaned, it can be removed from the oil pump outlet, and the cover can be rotated to detach it from the fixed housing. The filter can then be removed from the inside of the fixed housing for replacement or cleaning. After replacement or cleaning, the filter can be reassembled into the inside of the fixed housing. This design facilitates the disassembly and replacement of the filter, avoiding the need to discard the entire oil filter and promoting energy conservation and environmental protection. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0017] Figure 3 This is a schematic diagram of the cover and annular plate structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the oil outlet pipe structure of this utility model;

[0019] Figure 5 This is a schematic diagram of the filter assembly structure of this utility model.

[0020] In the diagram: 1. Fixed shell; 11. Oil outlet pipe; 111. Oil inlet; 12. Limiting ring; 2. Cover; 21. Oil inlet pipe; 3. Filter assembly; 31. Filter cylinder; 32. Filter paper; 33. Outer sleeve; 4. Annular plate; 41. Oil inlet groove; 5. Moving plate; 6. Spring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1:

[0022] like Figure 1-5 As shown: The system includes a fixed housing 1, a cover 2 detachably connected to the top of the fixed housing 1, an oil outlet pipe 11 fixedly connected to the middle of the bottom surface of the fixed housing 1, an oil inlet pipe 21 fixedly connected to the middle of the top surface of the cover 2, a filter assembly 3 disposed inside the fixed housing 1, an annular plate 4 fixedly installed in the middle of the bottom surface of the cover 2, an oil inlet groove 41 arranged in a ring array penetrating through the middle of the side wall of the annular plate 4, the top of the oil outlet pipe 11 sealed and extending into the interior of the fixed housing 1, and an oil outlet groove 41 arranged in a ring array penetrating through the side wall of the inner end of the oil outlet pipe 11. The filter assembly 3 includes a filter cylinder 31, filter paper 32, and an outer sleeve 33. The filter cylinder 31 is hollow inside and open at the top. The top of the filter cylinder 31 is movably fitted onto the outer surface of the annular plate 4. The filter cylinder 31 has evenly distributed through holes in the middle of its side wall. The filter paper 32 is fixedly fitted onto the outer surface of the filter cylinder 31. An outer sleeve 33 is fixedly installed in the middle of the bottom surface of the filter cartridge 31. The outer sleeve 33 is movably fitted onto the outer surface of the oil outlet pipe 11. The bottom surface of the outer sleeve 33 contacts the top surface of the movable plate 5. An annular sealing gasket located on the outer ring of the annular plate 4 is fixedly connected to the top surface inside the cover 2. The length of the annular plate 4 is the same as the length of the outer sleeve 33. Four springs 6 are provided, and the four springs 6 are arranged in a ring array on the bottom surface of the movable plate 5. Through the arrangement of the oil outlet pipe 11, filter cartridge 31, annular plate 4, movable plate 5 and springs 6, when the oil cannot pass through the filter... When component 3 is in operation, the oil accumulates inside the filter cartridge 31, causing it to be pressurized. The oil pressure then pushes the filter cartridge 31 towards the side closer to the oil outlet pipe 11, exposing the oil inlet groove 41 on the side wall of the annular plate 4 from inside the filter cartridge 31. This allows the oil to directly enter the cavity between the fixed housing 1 and the filter component 3 through the oil inlet groove 41 and be discharged through the oil inlet 111. This avoids damage to automotive parts due to oil blockage in the filter component 3, which would otherwise prevent timely lubrication of the automotive parts. This is beneficial for protecting the automotive parts. Example 2:

[0023] like Figure 1-3As shown: The cover 2 has a U-shaped cross-section. The cover 2 is threaded onto the outer surface of the top of the fixed housing 1. A limiting ring 12 is fixedly fitted onto the outer surface of the top of the fixed housing 1. A rubber sealing gasket is bonded to the top surface of the limiting ring 12, and the bottom surface of the cover 2 is in close contact with the top surface of the rubber sealing gasket. By threading the cover 2 onto the outer surface of the top of the fixed housing 1, when it is necessary to replace or clean the filter assembly 3, the oil inlet pipe 21 can be removed from the oil outlet of the oil pump. The cover 2 can be removed from the fixed housing 1 by rotating it. Then, the filter assembly 3 can be taken out from the inside of the fixed housing 1 for replacement or cleaning. After replacement or cleaning, the filter assembly 3 can be reassembled into the inside of the fixed housing 1. This achieves the purpose of facilitating the disassembly and replacement or individual replacement of the filter assembly 3, avoiding the situation of discarding the entire oil filter, which is conducive to saving resources and environmental protection.

[0024] The working principle and usage process of this utility model: When using this replaceable environmentally friendly oil filter, the oil inlet pipe 21 is connected to the oil outlet end of the oil pump, and the oil outlet pipe 11 is connected to the oil pipeline of the car. Then, the oil enters the interior of the filter cartridge 31 through the oil inlet pipe 21. Then, the oil inside the filter cartridge 31 is discharged through the through hole on its side wall and filtered by the filter paper 32. The oil then enters the gap between the fixed shell 1 and the filter assembly 3, and then enters the interior of the oil outlet pipe 11 through the oil inlet 111, and finally enters the oil pipeline of the car.

[0025] When too many impurities adhere to the filter paper 32, preventing the oil from passing through, the oil accumulates inside the filter cylinder 31, putting it under pressure. When the pressure on the filter cylinder 31 exceeds the elastic force of the spring 6, the filter cylinder 31 is pushed towards the side closer to the oil outlet pipe 11 by the pressure of the oil. At this time, the outer sleeve 33 squeezes the moving plate 5 and the spring 6, compressing the spring 6. The oil inlet groove 41 on the side wall of the annular plate 4 is then exposed from inside the filter cylinder 31, allowing the oil to directly enter the cavity between the fixed housing 1 and the filter assembly 3 through the oil inlet groove 41 and be discharged through the oil inlet 111.

[0026] When the filter assembly 3 needs to be replaced or cleaned, the oil inlet pipe 21 can be removed from the oil outlet end of the oil pump. Then, rotate the cover 2 to remove the cover 2 from the fixed shell 1. Then, take the filter assembly 3 out from the inside of the fixed shell 1 for replacement or cleaning. Then, put the replaced or cleaned filter assembly 3 into the inside of the fixed shell 1, and keep the outer sleeve 33 on the top of the oil outlet pipe 11. Then, thread the cover 2 onto the outer surface of the top of the fixed shell 1, and keep the annular plate 4 on the inside of the filter cylinder 31. Finally, connect the oil inlet pipe 21 to the oil outlet end of the oil pump.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A replaceable environmentally friendly oil filter, comprising a fixed housing (1), wherein a cover (2) is detachably connected to the top of the fixed housing (1). Its features are: An oil outlet pipe (11) is fixedly connected to the middle of the bottom surface of the fixed shell (1), and an oil inlet pipe (21) is fixedly connected to the middle of the top surface of the cover (2). A filter assembly (3) is provided inside the fixed shell (1). An annular plate (4) is fixedly installed in the middle of the bottom surface of the cover (2). An oil inlet groove (41) is provided through the middle of the side wall of the annular plate (4) in a ring array. The top of the oil outlet pipe (11) is sealed and extends into the interior of the fixed shell (1). An oil inlet port (111) is provided through the side wall of the oil outlet pipe (11) located inside the fixed shell (1) in a ring array. A movable plate (5) is slidably fitted at the end of the oil outlet pipe (11) located inside the fixed shell (1). A spring (6) is fixedly installed on the bottom surface of the movable plate (5). The end of the spring (6) away from the movable plate (5) is fixedly installed on the bottom surface of the fixed shell (1). The filter assembly (3) includes a filter cylinder (31), filter paper (32) and an outer tube (33). The filter cylinder (31) is hollow inside and open at the top. The top of the filter cylinder (31) is movably fitted on the outer surface of the annular plate (4). The filter cylinder (31) has evenly distributed through holes in the middle of its side wall. The filter paper (32) is fixedly fitted on the outer surface of the filter cylinder (31). The outer tube (33) is fixedly installed in the middle of the bottom surface of the filter cylinder (31). The outer tube (33) is movably fitted on the outer surface of the oil outlet pipe (11). The bottom surface of the outer tube (33) is in contact with the top surface of the moving plate (5).

2. The replaceable filter element environmentally friendly oil filter according to claim 1, characterized in that: The top surface inside the cover (2) is fixedly connected to an annular sealing gasket located on the outer ring of the annular plate (4), and the length of the annular plate (4) is the same as the length of the outer sleeve (33).

3. The replaceable filter element environmentally friendly oil filter according to claim 1, characterized in that: There are four springs (6) in total, and the four springs (6) are arranged in a ring array on the bottom surface of the moving plate (5).

4. The replaceable filter element environmentally friendly oil filter according to claim 1, characterized in that: The cover (2) has a U-shaped cross section and is threaded onto the outer surface of the top of the fixed shell (1).

5. The replaceable filter element environmentally friendly oil filter according to claim 4, characterized in that: A limiting ring (12) is fixedly fitted on the outer surface of the top of the fixed shell (1). A rubber sealing gasket is bonded to the top surface of the limiting ring (12), and the bottom surface of the cover (2) is in close contact with the top surface of the rubber sealing gasket.

Images