Oil filter

By installing reinforcement ribs on the filter element cover of the oil filter and using aluminum, the problem of degradation of the sealing performance of the filter element cover in high-temperature environments is solved, which improves its durability and heat dissipation performance, extends service life and maintains the oil temperature stable.

CN222759845UActive Publication Date: 2025-04-15ZHEJIANG ROJ AUTO PARTS CO LTD
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Patent Information

Application Number
CN202421599394.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-04-15
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

The filter element cover of existing oil filters is prone to heat expansion and deformation in high-temperature environments, resulting in a decrease in sealing performance and even leakage, affecting service life and effect.

Method used

Reinforcement ribs are installed on the filter element cover to form a trapezoidal structure, and the overall strength and heat dissipation performance are improved through aluminum material, making the filter element cover more resistant to high temperatures and durable.

Benefits of technology

Through the design of reinforcement ribs, the overall strength and durability of the filter element cover are significantly improved, the service life is extended, and the engine oil temperature is stable through good heat dissipation performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The installation cavity is fixedly installed on the installation frame body, the filter element is arranged in the installation cavity, the filter element cover is arranged at one end of the installation cavity, the filter element cover comprises a plurality of reinforcing ribs, the reinforcing ribs are arranged on the top of the filter element cover in a surrounding mode, and one end of each reinforcing rib is provided with an inclined face so that the reinforcing ribs can be in a trapezoid shape. The filter element cover is detachably mounted in the mounting cavity through the mounting part, the filter element cover and the reinforcing ribs are made of aluminum materials, and the reinforcing ribs can be used as the reinforcing ribs of the filter element cover, so that the overall strength of the filter element cover is greatly improved, the filter element cover is more resistant to high temperature and durable, the service life of the filter element cover is greatly prolonged, and the service life of the filter element cover is prolonged. Meanwhile, the filter element cover and the reinforcing ribs are made of aluminum materials, the aluminum materials have good heat dissipation performance, heat generated in the filtering process of the engine oil can be effectively dissipated, and the temperature of the engine oil is kept stable.
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Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to an oil filter. Background Art

[0002] The oil filter is a component in the engine used to filter the oil. Its main function is to filter out impurities, particulate matter and other substances in the oil to protect the normal operation of the engine. The working principle of the oil filter is to use the filter element to filter the oil, intercept the impurities and particulate matter and other substances therein, and ensure the cleanliness of the oil. At the same time, the oil filter can also prevent the moisture and acidic substances in the oil from corroding and damaging the engine. The oil filter is usually installed at the bottom or side of the engine and is connected to the engine's lubrication system through a pipe.

[0003] Publication No.: CN218206822U discloses an oil filter assembly, including a filter housing and a filter element, characterized in that: the filter housing is provided with a water inlet hole, the water inlet hole is provided with a detachable water guide, the filter housing is provided with a mounting cavity for installing the filter element, the filter element is arranged in the mounting cavity, and a detachable sealing cover is provided at the opening end of the mounting cavity. The utility model provides an oil filter assembly, which is convenient for cleaning the oil inlet hole and prolonging the service life of the filter.

[0004] The filter cover of the above-mentioned filter assembly is not easy to withstand the high temperature of the engine. The filter cover is exposed to the high temperature environment for a long time, which will be affected by thermal expansion and deformation, thereby causing the sealing performance of the filter to deteriorate, and even leakage to cause safety hazards. In addition, the high temperature environment will cause oxidation and corrosion of the filter cover, further affecting the service life and effect of the filter. At the same time, the filter cover lacks structural reinforcement and is easily damaged during use. Therefore, this technology still has room for modification. Summary of the invention

[0005] The technical problem to be solved by the utility model is to provide an oil filter in view of the deficiencies of the above-mentioned prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil filter, comprising a mounting frame, a mounting cavity, a filter element, and a filter element cover, wherein the mounting cavity is fixedly mounted on the mounting frame, the filter element is placed in the mounting cavity, and the filter element cover is placed at one end of the mounting cavity, and is characterized in that: the filter element cover comprises a plurality of reinforcing ribs, the reinforcing ribs are arranged around the top of the filter element cover, one end of the reinforcing ribs is provided with an inclined surface to cause the reinforcing ribs to form a trapezoid, and the other end of the reinforcing ribs is arranged around the center to form a mounting portion, the filter element cover is detachably mounted in the mounting cavity through the mounting portion, and the filter element cover and the reinforcing ribs are both made of aluminum.

[0007] By adopting the above technical solution, reinforcing ribs are arranged on the filter element cover, and the reinforcing ribs can serve as the reinforcement ribs of the filter element cover, thereby greatly increasing the overall strength of the filter element cover, making the filter element cover more resistant to high temperature and durable, and greatly increasing the service life of the filter element cover. At the same time, the filter element cover and the reinforcing ribs are both made of aluminum. Aluminum has good heat dissipation performance, which can effectively dissipate the heat generated by the engine oil during the filtration process and keep the temperature of the engine oil stable.

[0008] The above-mentioned oil filter can be further configured as follows: the mounting portion includes a mounting groove formed between a connecting rod and a reinforcing rib, a mounting hole is provided at the center of the mounting groove, a limiting structure for limiting the installation of a filter element is provided in the mounting cavity, a mounting sleeve is provided at the center of the limiting structure, the connecting rod is passed through the mounting hole and placed in the mounting sleeve, threads are provided at the bottom of the mounting sleeve and the bottom of the connecting rod, an abutment portion is provided at the top of the connecting rod, the abutment portion abuts against the mounting groove to enable the filter element cover to be detachably connected to the mounting cavity.

[0009] By adopting the above technical solution, a mounting portion is set, including a mounting groove formed between a connecting rod and a reinforcing rib, as well as a mounting hole and a mounting sleeve, so that the connection between the filter element cover and the mounting cavity is more convenient, which is beneficial to improving the efficiency of maintenance and replacement. Threads are provided at the bottom of the mounting sleeve and the bottom of the connecting rod. Such a threaded connection method can enhance the connection stability between the filter element cover and the mounting cavity. The abutment portion at the top of the connecting rod and the abutment cooperation with the mounting groove help to improve the sealing performance between the filter element cover and the mounting cavity and prevent oil leakage. By optimizing the structural design, less material can be used to reduce costs without sacrificing performance.

[0010] The above-mentioned oil filter can be further configured as follows: the limiting structure includes a shell body arranged at the upper and lower ends of the filter element, the shell body is provided with a limiting hole, the bottom of the installation cavity is located at the installation sleeve and a first limiting block is arranged around it, and the bottom of the filter element cover is provided with a second limiting block, and the first limiting block and the second limiting block are placed in the limiting hole to enable the filter element to be limited and installed in the installation cavity.

[0011] By adopting the above technical solution, by setting the limiting hole, the first limiting block and the second limiting block of the shell, it can be ensured that the filter element is correctly placed and positioned during the installation process, avoiding performance degradation or damage due to improper installation, and simplifying the installation process of the filter element. The operator only needs to align the first limiting block and the second limiting block with the limiting hole to complete the installation, thereby improving the efficiency of replacing the filter element. The cooperation between the first limiting block and the second limiting block and the limiting hole can fix the position of the filter element during the operation of the oil filter to prevent it from moving or rotating, thereby ensuring the filtering effect.

[0012] The above-mentioned oil filter can be further configured as follows: a first flow channel is provided in the mounting frame, the first flow channel is communicated with the mounting cavity, a one-way valve is provided between the first flow channel and the mounting cavity, an oil inlet is provided on one side of the mounting frame, a second flow channel is provided on the mounting frame at the oil inlet, the second flow channel is communicated with the first flow channel, a third flow channel is also provided in the mounting frame, the third flow channel is communicated with the mounting cavity, a bypass valve is provided between the third flow channel and the mounting cavity, an oil outlet is also provided on one side of the mounting frame, a fourth flow channel is provided on the mounting frame at the oil outlet, and the fourth flow channel is communicated with the third flow channel.

[0013] By adopting the above technical solution, by arranging the first flow channel, the second flow channel, the third flow channel and the fourth flow channel in the mounting frame, it is ensured that the engine oil can effectively flow into and out of the filter. The setting of the one-way valve ensures that the engine oil can only flow into the engine from the mounting cavity after being filtered by the filter element, thereby avoiding unfiltered engine oil from directly entering the engine. It can also prevent the engine oil in the engine from flowing back to the filter under certain conditions, thereby maintaining the normal operation of the system and improving the circulation efficiency of the engine oil.

[0014] The above-mentioned oil filter may be further configured as follows: an embedded groove is arranged around the bottom of the filter element cover, and a sealing member is installed in the embedded groove.

[0015] By adopting the above technical solution, by providing an embedded groove at the bottom of the filter element cover and installing a seal therein, the sealing performance between the filter element and the installation cavity can be improved, oil leakage can be prevented, and the cleanliness and stability of the oil system can be ensured. Due to the improved sealing performance, oil waste and possible engine damage caused by leakage can be reduced, thereby reducing long-term maintenance costs.

[0016] The beneficial effects of the utility model are as follows: the reinforcing ribs can serve as the reinforcing ribs of the filter element cover, greatly increasing the overall strength of the filter element cover, making the filter element cover more resistant to high temperatures and durable, greatly increasing the service life of the filter element cover; at the same time, the filter element cover and the reinforcing ribs are both made of aluminum, which has good heat dissipation properties and can effectively dissipate the heat generated by the engine oil during the filtering process, thereby keeping the temperature of the engine oil stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a structural explosion diagram of the utility model;

[0019] Figure 3 It is the internal structure diagram of the utility model;

[0020] Figure 4 This is a structural diagram of the filter element cover of the utility model;

[0021] Figure 5 This is a structural diagram of the filter element of the utility model;

[0022] Figure 6 This is a rear view of the filter cover of the utility model;

[0023] Figure 7 It is a cross-sectional view of the utility model;

[0024] Label notes: 1-mounting frame, 2-mounting cavity, 3-filter element, 4-filter element cover, 5-reinforcement rib, 6-inclined surface, 7-mounting groove, 8-mounting hole, 9-mounting sleeve, 10-connecting rod, 11-adjusting thread, 12-abutting portion, 13-housing, 14-limiting hole, 15-first limiting block, 16-second limiting block, 17-first flow channel, 18-check valve, 19-oil inlet, 20-second flow channel, 21-third flow channel, 22-bypass valve, 23-oil outlet, 24-fourth flow channel, 25-embedded groove, 26-seal. DETAILED DESCRIPTION

[0025] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

[0026] like Figure 1-5The utility model shown provides the following technical solutions, an oil filter, including a mounting frame 1, a mounting cavity 2, a filter element 3, and a filter element cover 4, the mounting cavity 2 is fixedly mounted on the mounting frame 1, the filter element 3 is placed in the mounting cavity 2, the filter element cover 4 is placed at one end of the mounting cavity 2, the filter element cover 4 includes a plurality of reinforcing ribs 5, the reinforcing ribs 5 are arranged around the top of the filter element cover 4, one end of the reinforcing ribs 5 is provided with an inclined surface to make the reinforcing ribs 5 into a trapezoid, and the other end of the reinforcing ribs 5 is arranged around the center to form a mounting portion, the filter element cover 4 is detachably mounted on the mounting cavity 2 through the mounting portion, the filter element cover 4 and the reinforcing ribs 5 are both made of aluminum, and by arranging the reinforcing ribs 5 on the filter element cover 4, the reinforcing ribs 5 can be used as the reinforcing ribs 5 of the filter element cover 4, which greatly increases the overall strength of the filter element cover 4 and makes the filter element cover 4 more resistant to high temperatures , durable, greatly increasing the service life of the filter cover 4, while the filter cover 4 and the reinforcement ribs 5 are made of aluminum, aluminum has good heat dissipation performance, can effectively dissipate the heat generated by the oil in the filtering process, keep the temperature of the oil stable, the installation part includes a connecting rod 10 and a mounting groove 7 formed between the reinforcement ribs 5, the center of the mounting groove 7 is provided with a mounting hole 8, the mounting cavity 2 is provided with a limiting structure for the limited installation of the filter element 3, the center of the limiting structure is provided with a mounting sleeve 9, the connecting rod 10 is penetrated through the mounting hole 8 and placed in the mounting sleeve 9, the bottom of the mounting sleeve 9 and the bottom of the connecting rod 10 are both provided with threads 11, the top of the connecting rod 10 is provided with an abutting part 12, the abutting part 12 abuts against the mounting groove 7 to make the filter cover 4 and the mounting cavity 2 detachably connected, by setting the installation part, including The mounting groove 7 formed between the connecting rod 10 and the reinforcing rib 5, as well as the mounting hole 8 and the mounting sleeve 9, make the connection between the filter cover 4 and the mounting cavity 2 more convenient, which is beneficial to improving the efficiency of maintenance and replacement. The bottom of the mounting sleeve 9 and the bottom of the connecting rod 10 are both provided with threads 11. Such a connection method of threads 11 can enhance the connection stability between the filter cover 4 and the mounting cavity 2. The abutment part 12 at the top of the connecting rod 10 and the abutment cooperation with the mounting groove 7 help to improve the sealing performance between the filter cover 4 and the mounting cavity 2 to prevent oil leakage. By optimizing the structural design, less material can be used without sacrificing performance, thereby reducing costs. The limiting structure includes a shell 13 set at the upper and lower ends of the filter element 3, and the shell 13 is provided with a limiting hole 14. The bottom of the mounting cavity 2 is located at A first limiting block 15 is arranged around the installation sleeve 9, and a second limiting block 16 is arranged at the bottom of the filter element cover 4. The first limiting block 15 and the second limiting block 16 are placed in the limiting hole 14 to facilitate the filter element 3 to be limitedly installed in the installation cavity 2. By setting the limiting hole 14, the first limiting block 15 and the second limiting block 16 of the shell 13, it can ensure that the filter element 3 is correctly placed and positioned during the installation process, avoiding performance degradation or damage caused by improper installation, simplifying the installation process of the filter element 3, the operator only needs to align the first limiting block 15 and the second limiting block 16 with the limiting hole 14 to complete the installation, thereby improving the efficiency of replacing the filter element 3. The cooperation of the first limiting block 15 and the second limiting block 16 with the limiting hole 14 can fix the position of the filter element 3 during the operation of the oil filter.Prevent it from moving or rotating, thus ensuring the filtering effect.

[0027] like Figure 6-7 The oil filter shown in the figure has a first flow channel 17 in the mounting frame 1, the first flow channel 17 is communicated with the mounting cavity 2, a one-way valve 18 is provided between the first flow channel 17 and the mounting cavity 2, an oil inlet 19 is provided on one side of the mounting frame 1, a second flow channel 20 is provided at the oil inlet 19 of the mounting frame 1, the second flow channel 20 is communicated with the first flow channel 17, a third flow channel 21 is further provided in the mounting frame 1, the third flow channel 21 is communicated with the mounting cavity 2, a bypass valve 22 is provided between the third flow channel 21 and the mounting cavity 2, an oil outlet 23 is further provided on one side of the mounting frame 1, a fourth flow channel 24 is provided at the oil outlet 23 of the mounting frame 1, the fourth flow channel 24 is communicated with the third flow channel 21, and by arranging the first flow channel 17, the second flow channel 20, the third flow channel 21 and the fourth flow channel 24 in the mounting frame 1, it is ensured that In order to ensure that the engine oil can effectively flow into and out of the filter, the setting of the one-way valve 18 ensures that the engine oil can only flow into the engine from the installation cavity 2 after being filtered by the filter element 3, avoiding the unfiltered engine oil from directly entering the engine. It can also prevent the engine oil in the engine from flowing back to the filter under certain conditions, maintaining the normal operation of the system and improving the oil circulation efficiency. An embedded groove 25 is arranged around the bottom of the filter element cover 4, and a seal 26 is installed in the embedded groove 25. By arranging the embedded groove 25 at the bottom of the filter element cover 4 and installing the seal 26 therein, the sealing performance between the filter element 3 and the installation cavity 2 can be improved, oil leakage can be prevented, and the cleanliness and stability of the oil system can be ensured. Due to the improvement of the sealing performance, the oil waste and possible engine damage caused by leakage can be reduced, thereby reducing the long-term maintenance cost.

[0028] The beneficial effects of the utility model are as follows: the reinforcing ribs 5 can serve as the reinforcing ribs 5 of the filter element cover 4, which greatly increases the overall strength of the filter element cover 4, makes the filter element cover 4 more resistant to high temperatures and durable, and greatly increases the service life of the filter element cover 4. At the same time, the filter element cover 4 and the reinforcing ribs 5 are both made of aluminum, which has good heat dissipation properties and can effectively dissipate the heat generated by the engine oil during the filtering process to keep the temperature of the engine oil stable.

Claims

1. An oil filter, comprising a mounting frame, a mounting cavity, a filter element, and a filter element cover, wherein the mounting cavity is fixedly mounted on the mounting frame, the filter element is placed in the mounting cavity, and the filter element cover is placed at one end of the mounting cavity, characterized in that: The filter element cover includes a plurality of reinforcing ribs, which are arranged around the top of the filter element cover. One end of the reinforcing rib is provided with an inclined surface to make the reinforcing rib into a trapezoid. The other end of the reinforcing rib is arranged around the center to form a mounting portion. The filter element cover can be detachably installed in the mounting cavity through the mounting portion. The filter element cover and the reinforcing rib are both made of aluminum.

2. The oil filter according to claim 1, characterized in that: The mounting portion includes a mounting groove formed between a connecting rod and a reinforcing rib, a mounting hole is provided at the center of the mounting groove, a limiting structure for limiting the installation of a filter element is provided in the mounting cavity, a mounting sleeve is provided at the center of the limiting structure, the connecting rod is passed through the mounting hole and placed in the mounting sleeve, threads are provided at the bottom of the mounting sleeve and the bottom of the connecting rod, an abutment portion is provided at the top of the connecting rod, the abutment portion abuts against the mounting groove to enable the filter element cover to be detachably connected to the mounting cavity.

3. The oil filter according to claim 2, characterized in that: The limiting structure includes a shell body arranged at the upper and lower ends of the filter element, and the shell body is provided with a limiting hole. The bottom of the installation cavity is located at the installation sleeve and a first limiting block is arranged around it. The bottom of the filter element cover is provided with a second limiting block. The first limiting block and the second limiting block are placed in the limiting hole to facilitate the filter element to be limited and installed in the installation cavity.

4. The oil filter according to claim 1, characterized in that: A first flow channel is provided in the mounting frame, the first flow channel is communicated with the mounting cavity, a one-way valve is provided between the first flow channel and the mounting cavity, an oil inlet is provided on one side of the mounting frame, a second flow channel is provided on the mounting frame at the oil inlet, the second flow channel is communicated with the first flow channel, a third flow channel is also provided in the mounting frame, the third flow channel is communicated with the mounting cavity, a bypass valve is provided between the third flow channel and the mounting cavity, an oil outlet is also provided on one side of the mounting frame, a fourth flow channel is provided on the mounting frame at the oil outlet, and the fourth flow channel is communicated with the third flow channel.

5. An oil filter according to any one of claims 1 to 4, characterized in that: An embedded groove is arranged around the bottom of the filter element cover, and a sealing member is installed in the embedded groove.

Citation Information

Patent Citations

  • Oil filter assembly

    CN218206822U