Improved structure of engine oil filtering base in automobile

By using aluminum-magnesium alloy materials and setting up auxiliary oil channels at the bottom of the engine oil cooler base, the existing automobile engine oil filter base has solved the problem of short service life and poor cooling effect in high temperature environments, and achieved higher use Lifespan and quality.

CN222478787UActive Publication Date: 2025-02-14WENZHOU BONAI AUTO RADIATOR
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Patent Information

Application Number
CN202421433498.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-02-14
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The existing automobile oil filtration base has a short service life under high temperature environments, the material is not resistant to hydrolysis and high temperatures, and has poor cooling effect, resulting in early aging failure and high failure rate.

Method used

The oil filter base is made of aluminum-magnesium alloy material, and an auxiliary oil channel is set up at the bottom of the bottom plate of the engine oil cooler, and a cooling runner is formed through two parallel channels to closely contact the cooler to improve cooling efficiency.

Benefits of technology

It effectively reduces the risk of high temperature failure during long driving, improves product service life and quality, and reduces market failure rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an improved structure of an engine oil filtering base in an automobile, which comprises an engine oil filtering base, an engine oil inlet, an engine oil outlet and an oil return port are arranged on the lower portion of the engine oil filtering base, an anti-freezing liquid inlet is arranged at the end of the engine oil filtering base, and an engine oil cooler is mounted on the engine oil filtering base. A cooler internal flow channel is formed in the face, close to one side of the engine oil filtering base, of the engine oil cooler. The oil cooler has the advantages that the bottom channel of the bottom plate of the oil cooler is used as carrier connection, and cooling and oil way connection are accelerated.
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Description

Technical Field

[0001] The utility model relates to an oil filter base in an automobile, in particular to an improved structure of the oil filter base in an automobile. Background Art

[0002] At present, the early stage of this product in the market is a plastic base made of PA66+GF35; and it is a plastic plug welding structure process. Since this product is installed at the lower end of the engine, it belongs to a high-temperature working environment. The market feedback shows that the product has a short service life and many customer complaints. The plastic parts are not resistant to hydrolysis, high temperature, and poor thermal stability, resulting in early aging failure. The welding plug has defects such as oil leakage and desoldering. This affects the quality of the product. The original aluminum seat (oil filter base) has an oil channel inside, which is far away from the oil cooler and has a poor cooling effect. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an improved structure of an oil filter base in an automobile in view of the deficiencies of the prior art.

[0004] In order to achieve the above purpose, the measures taken by the utility model are:

[0005] An improved structure of an oil filter base in an automobile comprises an oil filter base, an oil inlet, an oil outlet and an oil return port are arranged at the lower part of the oil filter base, an antifreeze water inlet is arranged at the end of the oil filter base, and a first water outlet and a second water outlet connected with the antifreeze water inlet are arranged at the bottom, a filter element is installed inside one end of the oil filter base, a spring valve is installed at the end of the filter element through a pressure relief valve seat, a small spring and a large spring are arranged between the pressure relief valve seat and the spring valve, a filter cover is connected to one end of the oil filter base provided with the filter element, an oil cooler is installed at the upper part of the oil filter base away from the filter element, an auxiliary oil channel is opened on the surface of the oil cooler close to the side of the oil filter base, two parallel channels are arranged in parallel on the oil filter base close to the side of the oil cooler, and a cooling flow channel is formed between one of the two parallel channels and the auxiliary oil channel;

[0006] The filter cover is sleeved with a filter cover sealing ring;

[0007] The oil inlet is provided with an oil inlet sealing ring, the oil outlet is provided with an oil outlet sealing ring; the first water outlet and the second water outlet are both provided with water outlet sealing rings, and the oil return port is provided with an oil return port sealing ring;

[0008] The oil return port is connected to an oil return port plugging screw, and the oil hole channel opening of the oil filter base is connected to a filtered oil hole channel plugging screw;

[0009] The oil cooler is fixed on the oil filter base by means of a torx screw, and a base mounting screw passes through the oil filter base;

[0010] A cooler sealing ring is provided at the flow passage opening between the oil cooler and the oil filter base;

[0011] A temperature sensor and a pressure sensor are installed at one end of the oil filter base away from the filter cover;

[0012] The oil filter base is made of aluminum-magnesium alloy;

[0013] The two parallel channels are provided with sealing grooves along their edges, and sealing rings are pressed into the sealing grooves.

[0014] The beneficial effects of the utility model are as follows: the structure is novel, the original internal design of the aluminum seat is a bottom channel structure of the oil cooler bottom plate, which is connected through the bottom channel of the oil cooler bottom plate as a carrier to achieve auxiliary supply of engine oil, accelerate cooling and oil circuit connection, effectively reduce the risk of high-temperature failure of the vehicle during long-term driving, increase product service life, reduce product market failure rate, and improve product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the exploded structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the lower structure of the utility model.

[0017] Figure 3 It is a schematic diagram of the top structure of the utility model.

[0018] Figure 4 For the utility model Figure 3 Schematic diagram of the AA cross-section structure.

[0019] Figure 5 This is a schematic diagram of the auxiliary oil channel structure of the utility model.

[0020] Figure 6 It is a schematic diagram of the structure of the sealing groove of the utility model. DETAILED DESCRIPTION

[0021] An improved structure of an oil filter base in an automobile comprises an oil filter base 6, an oil inlet 7, an oil outlet 2 and an oil return port 5 are arranged at the lower part of the oil filter base 6, an antifreeze inlet 1 is arranged at the end of the oil filter base 6, and a first outlet 3 and a second outlet 4 connected to the antifreeze inlet 1 are arranged at the bottom, a filter element 601 is installed inside one end of the oil filter base 6, a spring valve 602 is installed at the end of the filter element 601 through a pressure relief valve seat 603, and the pressure relief valve seat 603 and the spring valve 602 are connected. A small spring 604 and a large spring 605 are provided in between, the oil filter base 6 is provided with a filter element 601 at one end thereof connected to a filter cover 606, an oil cooler 9 is installed on the upper part of the oil filter base 6 away from the filter element 601, an auxiliary oil channel 8 is opened on the surface of the oil cooler 9 close to the oil filter base 6, two parallel channels 609 are provided in parallel on the oil filter base 6 close to the oil cooler 9, and a cooling channel 1000 is formed between one of the two parallel channels 609 and the auxiliary oil channel 8.

[0022] The improvement of the scheme of the utility model is that: the oil filter base 6 of the new scheme has an aluminum base assembly directly connected to the auxiliary oil channel. The original oil channel is set inside the aluminum seat, and it is improved to set the auxiliary oil channel 8 at the bottom of the bottom plate of the oil cooler 9. The bottom channel of the bottom plate of the oil cooler 9 (a cooling channel is formed between one of the two parallel channels 609 and the auxiliary oil channel 8, also called the auxiliary oil channel) is used as a carrier connection to realize the auxiliary supply of engine oil, accelerate the cooling and oil circuit connection. The original aluminum seat has an oil channel inside, which is far away from the oil cooler 9 and has a poor cooling effect. After the improvement of the scheme of the application, a cooling channel is formed between one of the two parallel channels 609 and the auxiliary oil channel 8, which is in close contact with the oil cooler 9, and the cooling effect is better, and the cooling efficiency is improved. The auxiliary oil channel 8 is usually set at an angle to make the auxiliary oil channel 8 longer and the cooling efficiency higher.

[0023] The oil filter base 6 of the new structure is made of aluminum, which is an aluminum-magnesium alloy (ADC6); the assembly oil circuit structure of the oil filter base 6 is two parallel channels (two parallel channels 609), and the hole at one end of the oil channel of the oil filter base 6 is machined from an aluminum alloy, and is connected by laser welding after tight fitting and press-fitting, eliminating the old threaded screw-on plug structure, and the sealing effect is better.

[0024] like Figures 1 to 5 As shown,

[0025] In application, oil circuit: engine oil enters the oil filter assembly from the oil inlet 7, is filtered by the filter element 601, and is provided with a bypass valve inside, the structure of which is the same as the existing structure) and then enters the oil cooler 9 for cooling. The oil can also pass through the internal oil channel (auxiliary oil channel 8), cool and directly return to the engine. The filtered and cooled oil returns to the engine from the oil outlet 2 for lubrication; when the filter element 601 is replaced, the excess internal oil flows back to the engine from the oil outlet 2.

[0026] Water circuit: The vehicle antifreeze enters the oil filter base assembly from the antifreeze water inlet 1, and then enters the oil cooler 9 to take away the heat of the engine high-temperature oil for cooling, and then flows back to the vehicle circulation cooling system and air-conditioning system through the first water outlet 3 and the second water outlet 4 respectively.

[0027] The filter cover 606 is sleeved with a filter cover sealing ring 607 to seal the engine oil and prevent it from leaking out.

[0028] The oil inlet 7 is provided with an oil inlet sealing ring 106, and the oil outlet 2 is provided with an oil outlet sealing ring 103 to seal the oil and prevent it from leaking out; the first water outlet 3 and the second water outlet 4 are both provided with water outlet sealing rings 104 to seal the antifreeze liquid and prevent it from leaking out, and the oil return port 5 is provided with an oil return port sealing ring 105.

[0029] The oil return port 5 is connected to an oil return port plugging screw 107, and the oil hole channel opening 1001 of the oil filter base 6 is connected to a filtered oil hole channel plugging screw 108 to seal the oil and prevent it from leaking.

[0030] The oil cooler 9 is fixed to the oil filter base 6 by means of a torx screw 901 , and a base mounting screw 100 passes through the oil filter base 6 .

[0031] A cooler sealing ring 902 is provided at the flow passage opening between the oil cooler 9 and the oil filter base 6 .

[0032] A temperature sensor 101 and a pressure sensor 102 are installed at one end of the oil filter base 6 away from the filter cover 606 .

[0033] The oil filter base 6 is made of aluminum-magnesium alloy.

[0034] The two parallel channels 609 are provided with sealing grooves 610 along their edges, and sealing rings 611 are pressed into the sealing grooves 610 to further enhance the sealing effect.

Claims

1. An improved structure of an oil filter base in an automobile, comprising an oil filter base (6), wherein the lower portion of the oil filter base (6) is provided with an oil inlet (7), an oil outlet (2) and an oil return port (5), an end portion of the oil filter base (6) is provided with an antifreeze inlet (1), and a bottom portion thereof is provided with a first outlet (3) and a second outlet (4) which are connected to the antifreeze inlet (1), wherein: A filter element (601) is installed inside one end of the oil filter base (6), a spring valve (602) is installed at the end of the filter element (601) through a pressure relief valve seat (603), a small spring (604) and a large spring (605) are provided between the pressure relief valve seat (603) and the spring valve (602), one end of the oil filter base (6) having the filter element (601) is connected to a filter cover (606), an oil cooler (9) is installed on the upper part of the oil filter base (6) away from the filter element (601), an auxiliary oil channel (8) is opened on the surface of the oil cooler (9) on the side close to the oil filter base (6), two parallel channels (609) are provided on the oil filter base (6) on the side close to the oil cooler (9), and a cooling channel (1000) is formed between one of the two parallel channels (609) and the auxiliary oil channel (8).

2. The improved structure of the oil filter base in an automobile according to claim 1, characterized in that: The filter cover (606) is sleeved with a filter cover sealing ring (607).

3. The improved structure of the oil filter base in an automobile according to claim 2, characterized in that: The oil inlet (7) is provided with an oil inlet sealing ring (106), and the oil outlet (2) is provided with an oil outlet sealing ring (103); the first water outlet (3) and the second water outlet (4) are both provided with water outlet sealing rings (104), and the oil return port (5) is provided with an oil return port sealing ring (105).

4. The improved structure of the oil filter base in an automobile according to claim 3, characterized in that: The oil return port (5) is connected to an oil return port plugging screw (107), and the oil hole channel opening (1001) of the oil filter base (6) is connected to a post-filtration oil hole channel plugging screw (108).

5. The improved structure of the oil filter base in an automobile according to claim 4, characterized in that: The oil cooler (9) is fixed to the oil filter base (6) by means of a torx screw (901), and a base mounting screw (100) passes through the oil filter base (6).

6. The improved structure of the oil filter base in an automobile according to claim 5, characterized in that: A cooler sealing ring (902) is provided at the flow passage opening between the oil cooler (9) and the oil filter base (6).

7. The improved structure of the oil filter base in an automobile according to claim 6, characterized in that: A temperature sensor (101) and a pressure sensor (102) are installed at one end of the oil filter base (6) away from the filter cover (606).

8. The improved structure of the oil filter base in an automobile according to claim 7, characterized in that: The oil filter base (6) is made of aluminum-magnesium alloy.

9. The improved structure of the oil filter base in an automobile according to claim 8, characterized in that: The two parallel channels (609) are provided with sealing grooves (610) along their edges, and sealing rings (611) are pressed into the sealing grooves (610).