Improved oil duct structure of engine oil filtering base assembly in automobile

Abstract

The utility model discloses an improved oil duct structure of an engine oil filtering base assembly in an automobile, which comprises an engine oil filtering base, and 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 formed in the end of the engine oil filtering base, a first water outlet and a second water outlet which are communicated with the anti-freezing liquid inlet are formed in the bottom of the engine oil filtering base, a filter element and a bypass valve are installed in one end of the engine oil filtering base, and a filtering cover is connected to the end, close to the bypass valve, of the engine oil filtering base. An engine oil cooler is installed on the upper portion of the end, away from the filter element, of the engine oil filtering base. An end face inclined hole main oil duct communicated with the internal oil duct is formed in the front side face of the engine oil filtering base. The engine oil auxiliary supply device has the advantages of being novel in structure, achieving auxiliary supply of engine oil of an engine, accelerating cooling and oil way connection through the newest auxiliary oil way additionally arranged on the upper end face of the base as carrier connection, prolonging the service life of products, reducing the market failure rate of the products and improving the product quality of the products.

Description

Technical Field

[0001] The utility model relates to an engine oil filtering base inside an automobile, in particular to an improved structure of an oil passage of an engine oil filtering base assembly inside an automobile. Background Art

[0002] At present, the early product on the market is a plastic base, with the material being PA66+GF35; and it adopts a plastic plug welding structure process. Since this product is installed at the lower end of the engine and belongs to a high-temperature working environment, market feedback shows that the product has a short service life, and there are many customer complaints. The plastic parts are not hydrolysis-resistant, not high-temperature-resistant, and have poor thermal stability, resulting in early aging and failure. There are defects such as oil leakage and welding detachment in the welded plugs.

[0003] This affects the quality and quality of the product. The original aluminum base (engine oil filtering base) is provided with an oil passage inside, and the distance from the engine oil cooler is far, so the cooling effect is poor. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide an improved structure of an engine oil filtering base inside an automobile aiming at the deficiencies of the prior art.

[0005] In order to achieve the above purpose, the measures taken by the utility model are as follows:

[0006] An improved structure of an oil passage of an engine oil filtering base assembly inside an automobile, including an engine oil filtering base. An engine oil inlet, an engine oil outlet and an oil return port are arranged at the lower part of the engine oil filtering base. An antifreeze inlet is arranged at the end of the engine oil filtering base, and a first water outlet and a second water outlet communicated with the antifreeze inlet are arranged at the bottom. A filter element and a bypass valve are installed inside one end of the engine oil filtering base. A filter cover is connected to the end of the engine oil filtering base close to the bypass valve. An engine oil cooler is installed at the upper part of the end of the engine oil filtering base far from the filter element. An end face inclined hole main oil passage communicated with the internal oil passage is arranged on the front side face of the engine oil filtering base;

[0007] An auxiliary oil passage is arranged on the upper end face of the engine oil filtering base, and the end face inclined hole main oil passage is communicated with the auxiliary oil passage;

[0008] A filter cover sealing ring is sleeved on the filter cover;

[0009] An inlet oil port sealing ring is arranged at the engine oil inlet, and an outlet oil port sealing ring is arranged at the engine oil outlet; Outlet sealing rings are arranged at both the first water outlet and the second water outlet, and an oil return port sealing ring is arranged at the oil return port;

[0010] An oil return process hole is arranged on the engine oil filtering base, and an oil return port plugging screw is arranged at the oil return process hole. An end face inclined hole main oil passage plugging screw is connected to the outer port of the end face inclined hole main oil passage;

[0011] The described engine oil cooler is fixed on the engine oil filter base by fastening bolts. The engine oil filter base is provided with mounting holes, and base mounting screws are arranged in the mounting holes to connect with the engine.

[0012] A cooler sealing ring is arranged at the flow port between the described engine oil cooler and the engine oil filter base.

[0013] A temperature sensor and a pressure sensor are installed at one end of the engine oil filter base away from the filter cover.

[0014] The material of the described engine oil filter base is aluminum-magnesium alloy.

[0015] The described auxiliary oil passage is provided with a sealing groove along the edge, and an auxiliary oil passage sealing ring is pressed into the sealing groove.

[0016] The described engine oil filter base has an overall L-shaped structure.

[0017] The beneficial effects of the present utility model are as follows: The structure is novel. The structure of the process hole oil passage and the bolt plug at the rear end is improved to the structure of the inclined hole main oil passage on the front side end face. The auxiliary oil passage on the base is improved from the original inside of the base to adding a passage on the upper end face of the base as the new auxiliary oil passage structure. Through the connection with the latest auxiliary oil passage with a passage added on the upper end face of the base, the auxiliary supply of engine oil is realized, the functions of accelerating cooling and oil circuit connection are achieved, the risk of high-temperature failure during long-term vehicle driving is effectively reduced, the service life of the product is improved, the market failure rate of the product is reduced, and the product quality and quality are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic exploded view of the present utility model.

[0019] Figure 2 It is a schematic view of the lower side structure of the present utility model.

[0020] Figure 3 It is a schematic view of the upper side structure of the present utility model.

[0021] Figure 4 It is a schematic cross-sectional structure view at the bypass valve of the present utility model.

[0022] Figure 5 It is a schematic cross-sectional structure view at the auxiliary oil passage of the present utility model.

[0023] Figure 6 It is a schematic cross-sectional structure view at the inclined hole main oil passage on the end face of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] An improved oil passage structure for the engine oil filter base assembly in a vehicle, including an engine oil filter base 6. At the lower part of the engine oil filter base 6, there are an engine oil inlet 7, an engine oil outlet 2, and a return oil port 5. At the end of the engine oil filter base 6, there is an antifreeze inlet 1, and at the bottom, there are a first water outlet 3 and a second water outlet 4 that are connected to the antifreeze inlet 1. Inside one end of the engine oil filter base 6, a filter element 601 and a bypass valve 602 are installed. At the end of the engine oil filter base 6 near the bypass valve 602, a filter cover 603 is connected. At the upper part of the end of the engine oil filter base 6 away from the filter element 601, an engine oil cooler 9 is installed. On the front side of the engine oil filter base 6, there is an end face inclined hole main oil passage 8 that is connected to the internal oil passage.

[0025] On the upper end face of the engine oil filter base 6, there is an auxiliary oil passage 609, and the end face inclined hole main oil passage 8 is connected to the auxiliary oil passage 609.

[0026] The improvement of the solution of the present utility model lies in: designing a new structure of a new main oil passage (end face inclined hole main oil passage 8) + base auxiliary oil passage (auxiliary oil passage 609) for the engine oil filter base 6. Specifically: changing from the process hole oil passage and bolt plugging structure at the rear end to the end face inclined hole main oil passage 8 on the front side of the engine oil filter base 6, and changing the base auxiliary oil passage from inside the original aluminum base (engine oil filter base 6) to opening the auxiliary oil passage 609 on the surface of the engine oil filter base 6 in contact with the engine oil cooler 9. Through the connection with the auxiliary oil passage 609 on the upper end face (the surface in contact with the engine oil cooler 9) of the engine oil filter base 6 as a carrier, it realizes the auxiliary supply of engine oil, accelerates cooling, and connects the oil circuit.

[0027] The original oil passage was provided inside the aluminum base (engine oil filter base 6), which was far from the engine oil cooler 9 and had poor cooling effect. After the improvement of the solution of this application, two auxiliary oil passages 609 are arranged in parallel, and the auxiliary oil passages 609 are in close contact with the engine oil cooler 9, resulting in a better cooling effect and improved cooling efficiency.

[0028] Functional principle description:

[0029] Oil circuit: Engine oil enters the entire engine oil filter assembly from the engine oil inlet 7, passes through the filter element 601 for filtration (with a bypass valve 602 inside), and then enters the engine oil cooler 9 through the end face inclined hole main oil passage 8 for cooling (the engine oil can also pass through the auxiliary oil passage 609, be cooled, and directly flow back to the engine. The filtered and cooled engine oil flows back to the engine from the engine oil outlet 2 for lubrication; when replacing the filter element 601, the excess engine oil inside flows back to the engine through the return oil port 5.

[0030] Waterway: The whole vehicle's antifreeze enters from the antifreeze inlet 1 into the inside of the oil filter base assembly (oil filter base 6), and then enters the inside of the oil cooler 9 to take away the heat of the high-temperature engine oil for cooling. Then, it returns to the whole vehicle's circulating cooling system and the air-conditioning system respectively through the first water outlet 3 and the second water outlet 4.

[0031] (Innovation points of this utility model patent: The new main oil passage (A8) of the company's BN-1394 oil filter base + the new structure of the base auxiliary oil passage. The original structure of the process hole oil passage and bolt plug at the rear end is changed to the inclined hole main oil passage structure on the front side end face. The base auxiliary oil passage is changed from the original internal structure of the aluminum seat to the latest auxiliary oil passage structure with an increased channel on the upper end face of the base. Through the connection of the latest auxiliary oil passage with an increased channel on the upper end face of the base as the carrier, it realizes the auxiliary supply of engine oil, accelerates cooling and oil circuit connection, improves the service life of the product, reduces the market failure rate and customer complaint rate of the product (the old-state threaded screw plug structure is cancelled) (at the same time, it also avoids the patent of the threaded screw plug structure of D0RMAN company)

[0032] A filter cover seal ring 607 is sleeved on the filter cover 603.

[0033] An inlet seal ring 106 is provided at the oil inlet 7. The inlet seal ring 106 is a pipe connection seal ring to prevent oil leakage from the sealed oil circuit. An outlet seal ring 103 is provided at the oil outlet 2; Outlet seal rings 104 are provided at both the first water outlet 3 and the second water outlet 4 to seal the waterway and prevent water leakage. A return oil port seal ring 105 is provided at the return oil port 5 to prevent oil leakage from the sealed oil circuit.

[0034] An oil return process hole is provided on the oil filter base 6, and an oil return port plugging screw 107 is provided at this oil return process hole. The oil return port plugging screw 107 is a G3 / 8 screw (3 Pcs). A face inclined hole main oil passage plugging screw 108 is connected to the outer port of the face inclined hole main oil passage 8.

[0035] A waterway process hole is provided on the oil filter base 6, and a waterway process hole plugging screw 118 is provided at this waterway process hole for plugging the oil circuit and the waterway process hole. A face inclined hole main oil passage plugging screw 108 is connected to the outer port of the face inclined hole main oil passage 8.

[0036] The oil cooler 9 is fixed on the oil filter base 6 through fastening bolts 901. Installation holes are provided on the oil filter base 6, and base installation screws 100 are provided in the installation holes to connect with the engine; The fastening bolts 901 are used to lock the connection between the oil cooler 9 and the oil filter base 6. There are 6 Pcs of fastening bolts 901. Base installation screws 100 pass through the oil filter base 6 for the connection and locking of the assembly with the engine. There are 5 Pcs of base installation screws 100.

[0037] A cooler sealing ring 902 is provided at the flow port between the oil cooler 9 and the oil filter base 6 to seal the oil circuit and prevent oil leakage.

[0038] 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 603.

[0039] The material of the oil filter base 6 is aluminum-magnesium alloy. Aluminum-magnesium alloy (ADC6). The internal oil circuit structure of the oil filter base 6 is two parallel channels. The process hole at one end of the oil passage of the oil filter base 6 is machined by aluminum alloy profile turning. After tightly fitting and pressing the plugging piece, the laser welding process is used, and the original threaded plug structure is cancelled.

[0040] The auxiliary oil passage 609 is provided with a sealing groove 610 along the edge, and an auxiliary oil passage sealing ring 611 is pressed into the sealing groove 610.

[0041] The oil filter base 6 has an overall L-shaped structure.

Claims

1. An improved structure of an oil passage of an oil filter base assembly in an automobile, comprising an oil filter base (6), the lower portion of the oil filter base (6) being 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) being provided with an antifreeze inlet (1), a bottom portion thereof being provided with a first outlet (3) and a second outlet (4) which are communicated with the antifreeze inlet (1), a filter element (601) and a bypass valve (602) being installed inside one end of the oil filter base (6), an end portion of the oil filter base (6) close to the bypass valve (602) being connected to a filter cover (603), and an upper portion of an end of the oil filter base (6) away from the filter element (601) being provided with an oil cooler (9), characterized in that: The front side surface of the oil filter base (6) is provided with an end surface oblique hole main oil passage (8) which is communicated with the internal oil passage.

2. The improved structure of the oil passage of the oil filter base assembly in an automobile according to claim 1, characterized in that: An auxiliary oil passage (609) is provided on the upper end surface of the oil filter base (6), and the end surface inclined hole main oil passage (8) is connected to the auxiliary oil passage (609).

3. The improved structure of the oil passage of the oil filter base assembly in an automobile according to claim 2, characterized in that: The filter cover (603) is sleeved with a filter cover sealing ring (607).

4. The improved structure of the oil passage of the oil filter base assembly in an automobile according to claim 1, 2 or 3, 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).

5. The improved structure of the oil passage of the oil filter base assembly in an automobile according to claim 4, characterized in that: The oil filter base (6) is provided with an oil return process hole, and an oil return port plugging screw (107) is provided at the oil return process hole. The outer end of the end face inclined hole main oil passage (8) is connected to an end face inclined hole main oil passage plugging screw (108).

6. The improved structure of the oil passage of the oil filter base assembly in an automobile according to claim 5, characterized in that: The oil cooler (9) is fixed to the oil filter base (6) by means of fastening bolts (901); the oil filter base (6) is provided with a mounting hole, and a base mounting screw (100) is provided in the mounting hole for connection with the engine.

7. The improved structure of the oil passage of the oil filter base assembly in an automobile according to claim 6, 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).

8. The improved structure of the oil passage of the oil filter base assembly in an automobile according to claim 7, 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 (603).

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

10. The improved structure of the oil passage of the oil filter base assembly in an automobile according to claim 2, characterized in that: The auxiliary oil channel (609) is provided with a sealing groove (610) along the edge, and an auxiliary oil channel sealing ring (611) is pressed into the sealing groove (610).

11. The improved structure of the oil passage of the oil filter base assembly in an automobile according to claim 10, characterized in that: The oil filter base (6) is an L-shaped integral structure.

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