Anti-aging engine oil filter sealing ring structure

Abstract

The utility model relates to the technical field of engine oil filter sealing, and discloses an anti-aging engine oil filter sealing ring structure which comprises an engine oil filter body, an oil pipe is movably installed at one end of the engine oil filter body, a butt joint is fixedly installed at the tail end of the oil pipe, and the butt joint is conical. The end, close to the engine oil filter body, of the butt joint is smaller than the other end away from the engine oil filter body, a mounting hole matched with the butt joint is formed in the outer wall of the tail end of the engine oil filter body, and a mounting ring is movably mounted at the position, corresponding to the mounting hole, of the outer wall of the tail end of the engine oil filter body. According to the engine oil filter, the installation ring, the third sealing ring, the second sealing ring and other sealing structures can be replaced by disassembling the installation ring, the situation that the sealing performance of the connecting position of the butt joint and the engine oil filter body is affected by aging of the installation ring, the second sealing ring and the like is avoided, and the anti-aging performance of the engine oil filter body is improved.

Description

Technical Field

[0001] This utility model relates to the field of oil filter sealing technology, and in particular to an anti-aging oil filter sealing ring structure. Background Technology

[0002] With the rapid development of the automotive industry and the continuous improvement of engine performance requirements, the oil filter, as an important component of the lubrication system, directly affects the normal operation and service life of the engine. Traditional oil filter sealing structures generally suffer from problems such as easy aging of sealing materials and weak vibration resistance. Especially under long-term high temperature and high pressure conditions, the risk of seal failure increases significantly, leading to oil leakage or contaminant intrusion, seriously threatening engine safety and reliability.

[0003] In existing technologies, oil filter sealing structures typically employ a single-layer rubber sealing ring combined with a fixed clamping device. However, this structure, where the sealing ring and mounting ring are integrated, requires replacement of the entire filter body when the sealing ring ages due to prolonged heat or chemical corrosion, resulting in high maintenance costs and low efficiency. Furthermore, the sealing structure relies solely on the static compression of a single sealing ring for sealing, lacking a dynamic compensation mechanism. During engine operation, vibration can easily cause misalignment of the sealing interface or loosening of the threaded connection, leading to a risk of secondary leakage. Therefore, we propose an anti-aging oil filter sealing ring structure. Utility Model Content

[0004] The present invention mainly addresses the technical problems existing in the prior art by providing an anti-aging oil filter sealing ring structure.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an anti-aging oil filter sealing ring structure, comprising an oil filter body, an oil pipe movably installed at one end of the oil filter body, and a connector fixedly installed at the end of the oil pipe. The connector is tapered, with the end of the connector closer to the oil filter body being smaller than the other end farther from the oil filter body. An installation hole matching the connector is provided on the outer wall of the end of the oil filter body. An installation ring is movably installed on the outer wall of the end of the oil filter body at a position corresponding to the installation hole. A third sealing ring is fixedly installed on the installation ring, and the third sealing ring contacts the outer wall of the connector.

[0006] Preferably, a second sealing ring is also fixedly connected to the outer wall of the third sealing ring, and the second sealing ring covers the outer wall of the end of the connector near the oil pipe.

[0007] Preferably, the end of the second sealing ring is an outwardly curved arc, and the outer wall of the end of the second sealing ring is wrapped with a rubber band.

[0008] Preferably, the outer wall of the end of the connector near the oil pipe is provided with a limiting groove for use with a rubber band, wherein the cross-section of the limiting groove is wedge-shaped.

[0009] Preferably, a first sealing ring is fixedly installed at the end of the mounting hole located inside the oil filter body, and a pressing block that presses against the first sealing ring is fixedly installed at the end of the connector.

[0010] Preferably, a plurality of fixing bolts are rotatably mounted on the mounting ring. The plurality of fixing bolts are equidistantly distributed on the mounting ring, and the ends of the plurality of fixing bolts are threadedly connected to the corresponding positions on the outer wall of the end of the oil filter body.

[0011] Beneficial effects

[0012] This utility model provides a sealing ring structure for an anti-aging oil filter. It has the following beneficial effects:

[0013] (1) The sealing ring structure of the anti-aging oil filter can replace the sealing structure such as the mounting ring, the third sealing ring and the second sealing ring by disassembling the mounting ring, thereby avoiding the aging of the mounting ring and the second sealing ring from affecting the sealing performance of the joint and the oil filter body, and improving the anti-aging performance of the oil filter body.

[0014] (2) The sealing ring structure of the anti-aging oil filter has a second sealing ring fixedly connected to the outer wall of the third sealing ring, which covers the outer wall of the joint to seal the joint again. The rubber band wrapped around the end of the second sealing ring tightens the limiting groove accordingly, which can resist the loosening of the threads caused by vibration and maintain the sealing pressure. Attached Figure Description

[0015] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0016] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0017] Figure 1This is a schematic diagram showing the disassembled structure of the oil pipe and oil filter body of this utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the body structure of the oil filter of this utility model;

[0019] Figure 3 This is a schematic diagram showing the disassembled structure of the second and third sealing rings of this utility model;

[0020] Figure 4 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0021] Legend: 1. Oil filter body; 2. Oil pipe; 3. Connector; 4. Mounting hole; 5. First sealing ring; 6. Limiting groove; 7. Extrusion block; 8. Second sealing ring; 9. Rubber band; 10. Mounting ring; 11. Third sealing ring; 12. Fixing bolt. Detailed Implementation

[0022] 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.

[0023] like Figure 1-4 As shown, an anti-aging oil filter sealing ring structure includes an oil filter body 1, an oil pipe 2 movably installed at one end of the oil filter body 1, and a connector 3 fixedly installed at the end of the oil pipe 2. The connector 3 is tapered, with the end of the connector 3 closer to the oil filter body 1 being smaller than the other end farther from the oil filter body 1. The outer wall of the end of the oil filter body 1 has a mounting hole 4 that matches the connector 3. A mounting ring 10 is movably installed on the outer wall of the end of the oil filter body 1 at a position corresponding to the mounting hole 4. A third sealing ring 11 is fixedly installed on the mounting ring 10 and is in contact with the outer wall of the connector 3. The connector 3 only has a threaded groove on its outer wall at the end that is threaded to the inner wall of the mounting hole 4. The special design of the tapered structure allows the contact surface to be radially compressed and deformed, thereby enhancing the sealing performance at the connection between the connector 3 and the mounting hole 4.

[0024] like Figure 4As shown, the outer wall of the third sealing ring 11 is also fixedly connected to the second sealing ring 8. The second sealing ring 8 covers the outer wall of the end of the connector 3 near the oil pipe 2. The second sealing ring 8 is an elastic structure. The second sealing ring 8 covers the outer wall of the tapered connector 3. The inner wall and the outer wall of the connector 3 are in surface contact, which further enhances the sealing effect at the connection between the connector 3 and the oil filter body 1.

[0025] like Figure 4 As shown, the end of the second sealing ring 8 is an outwardly curved arc, and the outer wall of the end of the second sealing ring 8 is wrapped with a rubber band 9; the rubber band 9 itself is elastic, and the rubber band 9 can tighten the end of the second sealing ring 8 with the outer wall of the connector 3 under its own elastic force, so that the inner wall of the end of the second sealing ring 8 is close to the outer wall of the end of the connector 3.

[0026] like Figure 2 As shown, the outer wall of the connector 3 near the oil pipe 2 is provided with a limiting groove 6 for use with the rubber band 9. The limiting groove 6 has a wedge-shaped cross-section. When the connector 3 moves to the designated position, the second sealing ring 8, which is fixedly connected to the outer wall of the third sealing ring 11, covers the outer wall of the connector 3 and seals the connector 3 again. The rubber band 9, which is wound around the end of the second sealing ring 8, tightens the limiting groove 6 accordingly, which can resist the loosening of the threads caused by vibration and maintain the sealing pressure.

[0027] like Figure 4 As shown, a first sealing ring 5 is fixedly installed at the end of the mounting hole 4 inside the oil filter body 1, and a pressing block 7 that presses against the first sealing ring 5 is fixedly installed at the end of the connector 3. When the connector 3 is rotated to the designated position, the pressing block 7 at its end presses against the first sealing ring 5, thereby sealing the connection between the inner cavity of the oil filter body 1 and the mounting hole 4, thus preventing the oil inside the oil filter body 1 from entering the gap between the connector 3 and the mounting hole 4.

[0028] like Figure 4 As shown, multiple fixing bolts 12 are rotatably mounted on the mounting ring 10. The multiple fixing bolts 12 are equidistantly distributed on the mounting ring 10, and the ends of the multiple fixing bolts 12 are threaded to the corresponding positions on the outer wall of the oil filter body 1. By removing the fixing bolts 12, the mounting ring 10 can be disassembled, and the mounting ring 10, the third sealing ring 11, and the second sealing ring 8 and other sealing structures can be replaced, thereby avoiding the aging of the mounting ring 10 and the second sealing ring 8 from affecting the sealing performance of the connection between the connector 3 and the oil filter body 1.

[0029] The working principle of this utility model is as follows: During use, when the tapered connector 3 is threaded into the mounting hole 4, the tapering causes radial compression deformation of the contact surface between the outer wall of the connector 3 and the inner wall of the mounting hole 4, forming a metal-to-metal sealing interface. After the connector 3 rotates to the designated position, the compression block 7 at its end compresses the first sealing ring 5, sealing the connection between the inner cavity of the oil filter body 1 and the mounting hole 4. This prevents oil from entering the gap between the connector 3 and the mounting hole 4. After the compression block 7 and the first sealing ring 5 compress each other, the third sealing ring 11 located on the outer wall at the end of the oil filter body 1 is further compressed by the tapered connector 3. The joint 3 is pressed tightly against the outer wall of the connector 3 without threaded grooves to seal the joint 3. After the joint 3 moves to the designated position, the second sealing ring 8, which is fixedly connected to the outer wall of the third sealing ring 11, covers the outer wall of the joint 3 to seal the joint 3 again. The rubber band 9, which is wound around the end of the second sealing ring 8, tightens the limiting groove 6 accordingly, which can resist the loosening of the threads caused by vibration and maintain the sealing pressure. The mounting ring 10 can be disassembled by removing the fixing bolt 12, and the sealing structures such as the mounting ring 10, the third sealing ring 11 and the second sealing ring 8 can be replaced, thereby avoiding the aging of the mounting ring 10 and the second sealing ring 8 from affecting the sealing performance of the connection between the joint 3 and the oil filter body 1.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An anti-aging oil filter sealing ring structure, comprising an oil filter body (1), characterized in that: An oil pipe (2) is movably installed at one end of the oil filter body (1), and a connector (3) is fixedly installed at the end of the oil pipe (2). The connector (3) is tapered, and the end of the connector (3) closer to the oil filter body (1) is smaller than the other end away from the oil filter body (1). The outer wall of the end of the oil filter body (1) is provided with a mounting hole (4) that matches the connector (3). A mounting ring (10) is movably installed on the outer wall of the end of the oil filter body (1) at the position corresponding to the mounting hole (4). A third sealing ring (11) is fixedly installed on the mounting ring (10), and the third sealing ring (11) is in contact with the outer wall of the connector (3).

2. The anti-aging oil filter sealing ring structure according to claim 1, characterized in that: The outer wall of the third sealing ring (11) is also fixedly connected to a second sealing ring (8), which covers the outer wall of the end of the connector (3) near the oil pipe (2).

3. The anti-aging oil filter sealing ring structure according to claim 2, characterized in that: The end of the second sealing ring (8) is an outwardly curved arc, and the outer wall of the end of the second sealing ring (8) is wrapped with a rubber band (9).

4. The anti-aging oil filter sealing ring structure according to claim 3, characterized in that: The outer wall of the connector (3) near the oil pipe (2) is provided with a limiting groove (6) for use with the rubber band (9), wherein the cross section of the limiting groove (6) is wedge-shaped.

5. The anti-aging oil filter sealing ring structure according to claim 4, characterized in that: The first sealing ring (5) is fixedly installed at the end of the mounting hole (4) inside the oil filter body (1), and the end of the connector (3) is fixedly installed with a pressing block (7) that presses against the first sealing ring (5).

6. The anti-aging oil filter sealing ring structure according to claim 5, characterized in that: Multiple fixing bolts (12) are rotatably mounted on the mounting ring (10). The multiple fixing bolts (12) are equidistantly distributed on the mounting ring (10), and the ends of the multiple fixing bolts (12) are threaded to the corresponding positions on the outer wall of the end of the oil filter body (1).

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