Engine oil cooler

By adding an external cooling core to the outer wall of the oil cooler body and combining the flow splitting and merging design of the internal and external cooling cores, the problem of space limitation of the internal cooling core is solved, and the cooling capacity of the oil cooler is improved.

CN223781497UActive Publication Date: 2026-01-09GUANGXI YUCHAI MARINE & GENSET POWER CO LTD
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Patent Information

Application Number
CN202520603770.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-01-09
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

The space for the built-in cooling core in existing oil coolers is fixed, making it difficult to expand the cooling core in existing models to enhance cooling capacity.

Method used

An external cooling core is added to the outer wall of the oil cooler body, and the first and second cavities are connected through the cooling water branch inlet and branch outlet. Combined with the oil inlet and outlet pipes of the inner and outer cooling cores, the cooling water and oil are separated and merged to enhance the cooling effect.

Benefits of technology

The external cooling core design enhances the cooling capacity of the oil cooler, improving cooling efficiency and effectiveness.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223781497U_ABST
    Figure CN223781497U_ABST
Patent Text Reader

Abstract

The utility model discloses an engine oil cooler, belongs to the technical field of engine oil coolers, and solves the problem that when a built-in cooling core of an engine oil cooler in the existing machine type is expanded to enhance the cooling capacity of the engine oil cooler, the influence of the constraint of the space volume is difficult to realize. The engine oil cooler comprises an engine oil cooler body, a cooling water cavity is formed in the engine oil cooler body, an inner cooling core is arranged in the cooling water cavity, a partition plate is further arranged in the cooling water cavity, and the top of the partition plate is connected with the inner cooling core in a sealed mode so that the cooling water cavity can be divided into a first cavity body and a second cavity body. An outer cooling core is arranged on one side of the outer wall of the engine oil cooler body, a cooling water main inlet communicated with the first cavity is formed in one end of the engine oil cooler body, the first cavity is communicated with a cooling water inlet of the outer cooling core, and the second cavity is communicated with a cooling water outlet of the outer cooling core. According to the engine oil cooler, the cooling capacity of the engine oil cooler is effectively enhanced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to machine oil cooler technical field, more specifically, it relates to a machine oil cooler. BACKGROUND

[0002] Machine oil cooler is a device for reducing the temperature of the oil, in the running process of the engine, the oil not only responsible for lubricating the moving parts inside the engine, also undertake the task of taking away heat. With the increase of engine working time, the oil temperature will gradually rise, if long time maintains in high temperature state, can cause the performance of the oil to decline, and then influence the lubrication effect of the engine, even cause the engine overheating, damage. Machine oil cooler usually through the conduction and convection, the heat carried by the oil flowing through is effectively transmitted to the surrounding cooling medium (usually engine cooling water or air), thereby reducing the temperature of the oil, ensure that it works in the best range.

[0003] The cooling core of the machine oil cooler can be divided into built-in cooling core and external cooling core, but the space volume in the machine oil cooler with built-in cooling core is fixed, when it is desired to enlarge the built-in cooling core of the machine oil cooler in the existing machine type to enhance the cooling capacity of the machine oil cooler, it is difficult to realize due to the constraint of the space volume. SUMMARY

[0004] The technical problem to be solved by the utility model is to solve the above problems of the prior art, provide a machine oil cooler, which effectively enhances the cooling capacity by increasing the external cooling core on the machine oil cooler.

[0005] The technical scheme of the utility model is as follows: a machine oil cooler, including machine oil cooler body, the machine oil cooler body is equipped with cooling water cavity, the cooling water cavity is equipped with internal cooling core, the cooling water cavity is also equipped with baffle, the top of baffle is sealed with internal cooling core and is connected to divide cooling water cavity into first cavity, second cavity, the outer wall of machine oil cooler body is equipped with external cooling core on one side, one end of machine oil cooler body is equipped with cooling water main inlet that communicates with first cavity, the first cavity is connected with the cooling water inlet of external cooling core, the second cavity is connected with the cooling water outlet of external cooling core, the other end of machine oil cooler body is equipped with cooling water main outlet that communicates with second cavity, the machine oil cooler body is equipped with the machine oil inlet pipeline that is connected with the machine oil inlet of internal cooling core and the machine oil inlet of external cooling core simultaneously, the top of machine oil cooler body is equipped with the machine oil outlet pipeline that is connected with the machine oil outlet of internal cooling core and the machine oil outlet of external cooling core simultaneously.

[0006] As a further improvement, the oil cooler body in the first cavity is provided with a cooling water branch inlet, the oil cooler body in the second cavity is provided with a cooling water branch outlet, the first cavity is communicated with the cooling water inlet of the outer cooling core through the cooling water branch inlet, and the second cavity is communicated with the cooling water outlet of the outer cooling core through the cooling water branch outlet.

[0007] Further, the oil cooler body below the cooling water branch inlet and the cooling water branch outlet is respectively provided with an outer oil branch inlet and an outer oil branch outlet, the oil inlet pipeline is communicated with the oil inlet of the outer cooling core through the outer oil branch inlet, and the oil outlet pipeline is communicated with the oil outlet of the outer cooling core through the outer oil branch outlet.

[0008] Further, the oil cooler body in the first cavity is provided with an inner oil branch outlet, the oil cooler body in the second cavity is provided with an inner oil branch inlet, the oil inlet pipeline is communicated with the oil inlet of the inner cooling core through the inner oil branch inlet, and the oil outlet pipeline is communicated with the oil outlet of the inner cooling core through the inner oil branch outlet.

[0009] Further, the height of the inner oil branch inlet is lower than that of the inner oil branch outlet, and the height of the outer oil branch inlet is lower than that of the outer oil branch outlet.

[0010] Further, the oil cooler body is provided with a water pump mounting end face at one end close to the cooling water main inlet.

[0011] Further, the oil cooler body is provided with an engine mounting end face at one side close to the inner cooling core.

[0012] Beneficial effects

[0013] Compared with the prior art, the oil cooler has the following advantages:

[0014] The oil cooler of the utility model retains the original cooling core mounting space, increases the external cooling core on the outer wall of one side of the oil cooler body, communicates the cooling water between the first cavity and the second cavity through the cooling water branch inlet and the cooling water branch outlet, thereby realizing the cooling water circulation in the oil cooler body, communicates the oil inlet of the inner cooling core and the outer cooling core through the inner oil branch inlet and the outer oil branch inlet through the oil inlet pipeline, and the oil outlets of the inner cooling core and the outer cooling core are respectively merged into the oil outlet pipeline through the inner oil branch outlet and the outer oil branch outlet, thereby realizing the oil cooling, and further enhancing the cooling capacity of the oil cooler body. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The front view three-dimensional structure schematic diagram of the utility model is shown in the figure.

[0016] Figure 2 The rear view three-dimensional structure schematic diagram of the utility model is shown in the figure.

[0017] Figure 3 The front view three-dimensional structure schematic diagram of the oil cooler body in the utility model is shown in the figure.

[0018] Figure 4 The rear view three-dimensional structure schematic diagram of the oil cooler body in the utility model is shown in the figure.

[0019] Figure 5 The section view three-dimensional structure schematic diagram of the cooling branch inlet in the utility model is shown in the figure.

[0020] Figure 6 The section view three-dimensional structure schematic diagram of the inner oil branch inlet and the outer oil branch inlet in the utility model is shown in the figure.

[0021] Figure 7 The section view three-dimensional structure schematic diagram of the inner oil branch outlet in the utility model is shown in the figure.

[0022] Wherein: 1-oil cooler body, 2-first cavity, 3-inner cooling core, 4-outer cooling core, 5-second cavity, 6-cooling water branch outlet, 7-cooling water branch inlet, 8-outer oil branch inlet, 9-outer oil branch outlet, 10-oil inlet pipeline, 11-oil outlet pipeline, 12-cooling water main outlet, 13-cooling main inlet, 14-baffle, 15-water pump installation end face, 16-engine installation end face, 17-inner oil branch inlet, 18-inner oil branch outlet. Specific implementation

[0023] The utility model will be further explained in connection with specific implementation examples in the figures.

[0024] Reference Figures 1-7The oil cooler comprises an oil cooler body 1, a cooling water cavity is arranged in the oil cooler body 1, an inner cooling core 3 is arranged in the cooling water cavity, a partition plate 14 is further arranged in the cooling water cavity, the top of the partition plate 14 is sealingly connected with the inner cooling core 3 to divide the cooling water cavity into a first cavity 2 and a second cavity 5, an outer cooling core 4 is arranged on one side of the outer wall of the oil cooler body 1, the inner cooling core 3 and the outer cooling core 4 are all products of the prior art; one end of the oil cooler body 1 is provided with a cooling water main inlet 13 which is communicated with the first cavity 2, the first cavity 2 is communicated with the cooling water inlet of the outer cooling core 4, the second cavity 5 is communicated with the cooling water outlet of the outer cooling core 4, the other end of the oil cooler body 1 is provided with a cooling water main outlet 12 which is communicated with the second cavity 5, the oil cooler body 1 is provided with an oil inlet pipeline 10 which is communicated with the oil inlet of the inner cooling core 3 and the oil inlet of the outer cooling core 4 at the same time, and the top of the oil cooler body 1 is provided with an oil outlet pipeline 11 which is communicated with the oil outlet of the inner cooling core 3 and the oil outlet of the outer cooling core 4 at the same time.

[0025] During operation, the cooling water flows into the first cavity 2 from the cooling water main inlet 13, then the cooling water in the first cavity 2 flows into the cooling water inlet of the outer cooling core 4 from the cooling water branch inlet 7, the cooling water flows through the outer cooling core 4 and then flows to the cooling water branch outlet 6 from the cooling water outlet of the outer cooling core 4, and then flows into the second cavity 5 from the cooling water branch outlet 6, and the cooling water in the second cavity 5 flows out from the cooling water main outlet 12, so that the circulation of the cooling water is realized; the oil to be cooled flows into the oil inlet pipeline 10 and is then divided into two flows by the inner oil branch inlet 17 and the outer oil branch inlet 8 and flows to the inner cooling core 3 and the outer cooling core 4, the oil cooled by the inner cooling core 3 and the outer cooling core 4 is combined into one flow by the inner oil branch outlet 18 and the outer oil branch outlet 9 and then flows into the oil outlet pipeline 11 and then flows to the next component from the oil outlet pipeline 11, so that the cooling of the oil is completed; the oil cooler enhances the cooling capacity by arranging the outer cooling core on the oil cooler body.

[0026] In the embodiment, the oil cooler body 1 in the first cavity 2 is provided with a cooling water branch inlet 7, the oil cooler body 1 in the second cavity 4 is provided with a cooling water branch outlet 6, the first cavity 2 is communicated with the cooling water inlet of the outer cooling core 4 through the cooling water branch inlet 7, and the second cavity 5 is communicated with the cooling water outlet of the outer cooling core 4 through the cooling water branch outlet 6; the cooling water flows into the first cavity 2 from the cooling water main inlet 13, then the cooling water in the first cavity 2 flows into the cooling water inlet of the outer cooling core 4 from the cooling water branch inlet 7, the cooling water flows through the outer cooling core 4 and then flows to the cooling water branch outlet 6 from the cooling water outlet of the outer cooling core 4, and then flows into the second cavity 5 from the cooling water branch outlet 6, and the cooling water in the second cavity 5 flows out from the cooling water main outlet 12, so that the circulation of the cooling water is realized.

[0027] In the embodiment, the oil cooler body 1 below the cooling water branch inlet 7 and the cooling water branch outlet 6 is respectively provided with an outer oil branch inlet 8 and an outer oil branch outlet 9, the oil inlet pipeline 10 is communicated with the oil inlet of the outer cooling core 4 through the outer oil branch inlet 8, and the oil outlet pipeline 11 is communicated with the oil outlet of the outer cooling core 4 through the outer oil branch outlet 9; the oil flowing into the oil inlet pipeline 10 flows to the outer cooler 4 through the outer oil branch inlet 8, and the oil cooled by the outer cooler 4 flows to the oil outlet pipeline 11 through the outer oil branch outlet 9.

[0028] In the embodiment, the oil cooler body 1 in the first cavity 2 is provided with an inner oil branch outlet 18, the oil cooler body 1 in the second cavity 4 is provided with an inner oil branch inlet 17, the oil inlet pipeline 10 is communicated with the oil inlet of the inner cooling core 3 through the inner oil branch inlet 17, and the oil outlet pipeline 11 is communicated with the oil outlet of the inner cooling core 3 through the inner oil branch outlet 18; the oil flowing into the oil inlet pipeline 10 flows to the inner cooler 3 through the inner oil branch inlet 17, and the oil cooled by the inner cooler 3 flows to the oil outlet pipeline 11 through the inner oil branch outlet 18.

[0029] In the embodiment, the height of the inner oil branch inlet 17 is lower than the height of the inner oil branch outlet 18, and the height of the outer oil branch inlet 8 is lower than the height of the outer oil branch outlet 9; after the oil to be cooled flows into the oil inlet pipeline 10, it flows into the inner cooling core 3 and the outer cooling core 4 through the inner oil branch inlet 17 and the outer oil branch inlet 8 respectively, and flows to the oil outlet pipeline 11 from the inner oil branch outlet 18 and the outer oil branch outlet 9 after being cooled by the inner cooling core 3 and the outer cooling core 4 respectively; the oil to be cooled flows into the inner cooling core 3 and the outer cooling core 4 from the low part, and flows out from the high part, which prolongs the time of the oil in the inner cooling core 3 and the outer cooling core 4, and improves the cooling effect.

[0030] In the embodiment, the oil cooler body 1 near one end of the cooling water main inlet 13 is provided with a water pump mounting end face 15, the oil cooler body 1 is connected with the water pump and other components through the water pump mounting end face 15, the cooling water main inlet is communicated with the output end of the water pump, and provides power for the circulation of the cooling water in the oil cooler body 1.

[0031] In the embodiment, the oil cooler body 1 near one side of the inner cooling core 3 is provided with an engine mounting end face 16, the oil cooler body 1 is connected with the engine through the engine mounting end face 16, so that the oil cooler body 1 is directly mounted on the engine, the distance between the engine and the oil cooler body 1 is shortened, and the cooling efficiency of the oil is improved.

[0032] The above merely is preferred implementation manner of the present application, it should be pointed out that for the person skilled in the art without departing from the premise of the structure of the present application, still can make several deformation and improvement, these will not influence the effect and the practicality of the patent of the present application implementation.

Claims

1. An oil cooler comprising an oil cooler body (1) having a cooling water cavity, and an inner cooling core (3) disposed in the cooling water cavity, characterized in that, The cooling water cavity is further provided with a partition plate (14), the top of the partition plate (14) is sealingly connected with the inner cooling core (3) to divide the cooling water cavity into a first cavity (2) and a second cavity (5), the outer wall of the oil cooler body (1) is provided with an outer cooling core (4) on one side, one end of the oil cooler body (1) is provided with a cooling water main inlet (13) communicated with the first cavity (2), the first cavity (2) is communicated with the cooling water inlet of the outer cooling core (4), the second cavity (5) is communicated with the cooling water outlet of the outer cooling core (4), the other end of the oil cooler body (1) is provided with a cooling water main outlet (12) communicated with the second cavity (5), the oil cooler body (1) is provided with an oil inlet pipeline (10) communicated with the oil inlet of the inner cooling core (3) and the oil inlet of the outer cooling core (4), the top of the oil cooler body (1) is provided with an oil outlet pipeline (11) communicated with the oil outlet of the inner cooling core (3) and the oil outlet of the outer cooling core (4).

2. An oil cooler according to claim 1, wherein The oil cooler body (1) in the first cavity (2) is provided with a cooling water branch inlet (7), the oil cooler body (1) in the second cavity (5) is provided with a cooling water branch outlet (6), the first cavity (2) is communicated with the cooling water inlet of the outer cooling core (4) through the cooling water branch inlet (7), and the second cavity (5) is communicated with the cooling water outlet of the outer cooling core (4) through the cooling water branch outlet (6).

3. An oil cooler according to claim 2, wherein The oil cooler body (1) below the cooling water branch inlet (7) and the cooling water branch outlet (6) is respectively provided with an outer oil branch inlet (8) and an outer oil branch outlet (9), the oil inlet pipeline (10) is communicated with the oil inlet of the outer cooling core (4) through the outer oil branch inlet (8), and the oil outlet pipeline (11) is communicated with the oil outlet of the outer cooling core (4) through the outer oil branch outlet (9).

4. An oil cooler according to claim 3, wherein The oil cooler body (1) in the first cavity (2) is provided with an inner oil branch outlet (18), the oil cooler body (1) in the second cavity (5) is provided with an inner oil branch inlet (17), the oil inlet pipeline (10) is communicated with the oil inlet of the inner cooling core (3) through the inner oil branch inlet (17), and the oil outlet pipeline (11) is communicated with the oil outlet of the inner cooling core (3) through the inner oil branch outlet (18).

5. An oil cooler according to claim 4, wherein The height of the inner oil branch inlet (17) is lower than that of the inner oil branch outlet (18), and the height of the outer oil branch inlet (8) is lower than that of the outer oil branch outlet (9).

6. An oil cooler according to claim 1 wherein, The oil cooler body (1) is provided with a water pump mounting end face (15) close to one end of the cooling water main inlet (13).

7. An oil cooler according to claim 1 wherein, The oil cooler body (1) is provided with an engine mounting end face (16) close to one side of the inner cooling core (3).