An oil filter element with an impurity isolation structure

Abstract

This utility model discloses an oil filter element with an impurity isolation structure. It has an annular baffle extending from the upper end cap towards the lower end cap. When the filter element is installed upside down, the side wall of the baffle directly isolates the upper outer periphery of the filter material. Impurities that settle in the oil are blocked in the impurity settling area around the baffle and cannot come into contact with the surface of the filter material. This fundamentally avoids filter material blockage caused by impurity accumulation, effectively improves the filtration accuracy of the filter element, and extends the filter element's life.

Description

Technical Field

[0001] This utility model relates to the field of filter element technology, and in particular to an oil filter element with an impurity isolation structure. Background Technology

[0002] In traditional inverted oil filters, deposited impurities directly contact the bottom of the filter media, causing blockage. Current methods use independent retaining rings to isolate impurities, but assembly gaps allow for leakage. Therefore, there is an urgent need for a retaining structure that can cooperate with the filter housing to form a sealed isolation zone. Utility Model Content

[0003] The main purpose of this invention is to propose an oil filter element with an impurity isolation structure, which aims to improve the filtration accuracy and extend the filter element's lifespan.

[0004] To achieve the above objectives, this utility model proposes an oil filter element with an impurity isolation structure, comprising a tubular filter material, an upper end cap, and a lower end cap;

[0005] The upper end cap and the lower end cap are respectively fixedly connected to the upper port and the lower port of the filter material;

[0006] The inner edge of the upper end cover extends toward the lower end cover to form an annular baffle, and the inner wall of the baffle fits against the outer peripheral surface of the upper end of the filter material.

[0007] During installation, the top cover is positioned downwards, and the baffle is located at the bottom of the filter element.

[0008] The outer peripheral surface of the baffle forms an impurity settling area between the outer periphery of the filter element housing and the inner wall of the filter element housing, and the baffle completely isolates the impurity settling area from the outer surface of the filter material.

[0009] Preferably, at least one permanent magnet is embedded on the outer peripheral surface of the baffle to adsorb metal debris in the impurity settling zone.

[0010] Preferably, the permanent magnets are evenly distributed along the circumference of the stop and the surface is covered with an anti-corrosion layer.

[0011] Preferably, the inner wall of the baffle is provided with reinforcing ribs, and the height of the reinforcing ribs is lower than the total height of the baffle.

[0012] Preferably, the peripheral wall of the filter material has an axially extending pleated configuration;

[0013] The folded configuration consists of periodically alternating radial protrusions and radial depressions.

[0014] Preferably, the depth of the radial recess is significantly greater than the thickness of the filter material substrate.

[0015] Preferably, the outer peripheral surface of the baffle is coated with an oleophobic coating, and the surface roughness of the oleophobic coating is lower than that of the outer surface of the filter material.

[0016] Preferably, the baffle and the upper end cover are integrally formed or are separate structures;

[0017] When it is a split structure, the baffle and the upper cover are fixed by adhesive or snap-fit, and a sealing gasket is provided at the mating position of the baffle and the upper cover.

[0018] This invention features an annular baffle extending from the upper end cap towards the lower end cap. When the filter element is installed upside down, the side wall of the baffle directly isolates the upper outer periphery of the filter material. Impurities settling in the oil are blocked in the impurity settling area around the baffle and cannot contact the surface of the filter material, thus fundamentally avoiding filter material blockage caused by impurity accumulation, effectively improving the filtration accuracy of the filter element and extending its lifespan. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of a filter element with the top cap facing downwards.

[0020] Figure 2 This is a cross-sectional view of the present invention. Detailed Implementation

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

[0022] It should be noted that if any directional indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.) is involved in the embodiments of this utility model, the directional indication is only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0023] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0024] This invention proposes an oil filter element with an impurity isolation structure.

[0025] In this embodiment of the utility model, such as Figures 1 to 2 As shown, this is an oil filter element with an impurity isolation structure.

[0026] It includes a tubular filter media 1, an upper end cap 2, and a lower end cap 3;

[0027] The upper end cap 2 and the lower end cap 3 are respectively fixedly connected to the upper port and the lower port of the filter material 1;

[0028] The inner edge of the upper end cover 2 extends toward the lower end cover 3 to form an annular baffle 21, and the inner wall of the baffle 21 is attached to the outer peripheral surface of the upper end of the filter material 1.

[0029] During installation, the upper cover 2 is positioned downwards, and the baffle 21 is located at the bottom of the filter element;

[0030] An impurity settling area is formed between the outer peripheral surface of the baffle 21 and the inner wall of the filter element housing, and the baffle 21 completely isolates the impurity settling area from the outer surface of the filter material 1.

[0031] Specifically, at least one permanent magnet is embedded on the outer peripheral surface of the baffle 21 to adsorb metal debris in the impurity settling zone.

[0032] Specifically, the permanent magnets are evenly distributed along the circumference of the baffle and their surfaces are covered with an anti-corrosion layer.

[0033] Specifically, the inner wall of the baffle 21 is provided with reinforcing ribs, and the height of the reinforcing ribs is lower than the total height of the baffle.

[0034] Specifically, the peripheral wall of the filter material 1 has an axially extending pleated configuration;

[0035] The folded configuration consists of periodically alternating radial protrusions 11 and radial depressions 12.

[0036] Specifically, the depth of the radial recess 12 is significantly greater than the thickness of the filter material 1 substrate.

[0037] Specifically, the outer peripheral surface of the baffle 21 is coated with an oleophobic coating, and the surface roughness of the oleophobic coating is lower than that of the outer surface of the filter material 1.

[0038] Specifically, the baffle and the upper cover are either integrally formed or separate structures;

[0039] When it is a split structure, the baffle and the upper cover are fixed by adhesive or snap-fit, and a sealing gasket is provided at the mating position of the baffle and the upper cover.

[0040] This invention features an annular baffle extending from the upper end cap towards the lower end cap. When the filter element is installed upside down, the side wall of the baffle directly isolates the upper outer periphery of the filter material. Impurities settling in the oil are blocked in the impurity settling area around the baffle and cannot contact the surface of the filter material, thus fundamentally avoiding filter material blockage caused by impurity accumulation, effectively improving the filtration accuracy of the filter element and extending its lifespan.

[0041] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An oil filter element with an impurity isolation structure, characterized in that: It includes a tubular filter media (1), an upper end cap (2), and a lower end cap (3); The upper end cap (2) and the lower end cap (3) are respectively fixedly connected to the upper port and the lower port of the filter material (1); The inner edge of the upper end cover (2) extends toward the lower end cover (3) to form an annular baffle (21), and the inner wall of the baffle (21) is attached to the outer peripheral surface of the upper end of the filter material (1). During installation, the upper cover (2) is positioned downwards, and the baffle (21) is located at the bottom of the filter element; The outer peripheral surface of the baffle (21) forms an impurity settling area between the inner wall of the filter element housing and the baffle (21) completely isolates the impurity settling area from the outer surface of the filter material (1).

2. The oil filter element with an impurity isolation structure as described in claim 1, characterized in that: At least one permanent magnet is embedded on the outer peripheral surface of the baffle (21) for adsorbing metal debris in the impurity settling zone.

3. The oil filter element with an impurity isolation structure as described in claim 2, characterized in that: The permanent magnets are evenly distributed along the circumference of the baffle and are covered with an anti-corrosion layer.

4. The oil filter element with an impurity isolation structure as described in claim 1, characterized in that: The inner wall of the baffle (21) is provided with reinforcing ribs, and the height of the reinforcing ribs is lower than the total height of the baffle.

5. The oil filter element with an impurity isolation structure as described in claim 1, characterized in that: The peripheral wall of the filter material (1) has an axially extending pleated configuration; The folded configuration consists of periodically alternating radial protrusions (11) and radial depressions (12).

6. The oil filter element with an impurity isolation structure as described in claim 5, characterized in that: The depth of the radial recess (12) is significantly greater than the thickness of the filter material (1) substrate.

7. The oil filter element with an impurity isolation structure as described in claim 1, characterized in that: The outer peripheral surface of the baffle (21) is coated with an oleophobic coating, the surface roughness of which is lower than that of the outer surface of the filter material (1).

8. The oil filter element with an impurity isolation structure as described in claim 1, characterized in that: The baffle and the upper end cover are either integrally formed or separate structures; When it is a split structure, the baffle and the upper cover are fixed by adhesive or snap-fit, and a sealing gasket is provided at the mating position of the baffle and the upper cover.

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