CN214577271U - Motorcycle engine oil cooling system - Google Patents
Motorcycle engine oil cooling system Download PDFInfo
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- CN214577271U CN214577271U CN202023239336.3U CN202023239336U CN214577271U CN 214577271 U CN214577271 U CN 214577271U CN 202023239336 U CN202023239336 U CN 202023239336U CN 214577271 U CN214577271 U CN 214577271U
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- oil cooling
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Abstract
The utility model discloses a motorcycle engine machine oil cooling system, including crankcase cover and water pump assembly, water pump unit mount is in on the crankcase cover, the water pump cover is installed the lid terminal surface of crankcase cover, its characterized in that: an engine oil cooling cavity with an oil inlet and an oil outlet is arranged in the crankcase cover, and a cooling water channel is arranged on the outer wall of the engine oil cooling cavity. Adopt the utility model discloses an engine oil cooling system can adopt forced air cooling + water-cooled mode to cool off engine oil simultaneously, reaches better cooling effect.
Description
Technical Field
The utility model relates to a cooling system especially relates to an engine oil cooling system of motorcycle engine.
Background
The engine oil of the traditional motorcycle engine needs to be increased along with the temperature rise of the engine (generally about 115-120 ℃, the viscosity of the engine oil is changed when the temperature is reached, the lubricating effect of the engine oil is influenced, and in addition, the high-temperature engine oil lubricates a cylinder body and a cylinder head of the engine, the high-temperature area of the cylinder body and the cylinder head is heated, and the service life of the engine is influenced).
Chinese patent CN201090282Y discloses a cooling and heat dissipating device with a built-in water channel for a line body, and specifically discloses: the water pump comprises a water pump cover, a right crankcase, a cylinder body and a water pump assembly, wherein the water pump assembly is installed on the right cover, the water pump cover is fixedly connected with the right cover, one side of the crankcase is fixed with the right cover through a box-closing paper pad, the other side of the crankcase is connected with the cylinder body through the box-closing paper pad, a built-in water channel is arranged on the right cover, a built-in water channel is arranged on the right crankcase, one end of the built-in water channel of the right cover and the water pump cover form a built-in water inlet of the water pump, the other end of the built-in water channel is connected with the built-in water channel of the crankcase, an annular water channel is arranged on the cylinder body, and the annular water channel of the cylinder body is connected with an outlet of the built-in water channel of the right crankcase through a water inlet. The water pump gear is connected to the crankshaft gear, the crankshaft drives the water pump gear to rotate and drives the pump shaft and the water pump impeller to work along with the starting of the engine, and the water pump sucks cooling water in the water tank from the water inlet, and the cooling water is discharged from the water outlet pipe of the cylinder head to return to the water tank through the built-in water channel and the annular water channel, so that the purpose of cooling the right cover, the right crankcase and the cylinder body is achieved. The cooling water passages in the above patent only cool the right cover and the right crankcase body of the crankcase and do not cool the oil.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can effectively reduce motorcycle engine oil cooling system of machine oil temperature.
In order to achieve the above object, the present invention is realized as follows: the utility model provides a motorcycle engine oil cooling system, includes crankcase lid and water pump assembly, water pump assembly installs on the crankcase lid, water pump cover is installed the lid terminal surface of crankcase lid, its characterized in that: an engine oil cooling cavity with an oil inlet and an oil outlet is arranged in the crankcase cover, and a cooling water channel is arranged on the outer wall of the engine oil cooling cavity. By adopting the above mode, the cooling water channel in the water pump cover and the crankcase cover is utilized to cool the engine oil, the temperature of the engine oil can be effectively reduced, and the cooling and lubricating effects of the engine oil are improved.
Preferably, the cooling water channel is formed by the outer wall of the engine oil cooling cavity, the inner wall of the water pump cover and the inner wall of the crankcase cover.
Preferably, an oil cavity is formed in one side, back to the water pump cover, of the engine oil cooling cavity, an oil pan is arranged at the bottom of the oil cavity, and an oil inlet of the engine oil cooling cavity is communicated with the engine oil cavity. And cooling water channels are arranged on the other sides of the engine oil cooling cavity.
To further reduce the oil temperature, the inner bottom wall of the oil pan is lower than the inner bottom wall of the oil cooling chamber.
In order to further reduce the temperature of the engine oil, the engine oil cooling cavity is divided into an upper low-temperature area and a lower high-temperature area, the oil inlet is arranged at the lower part of the lower high-temperature area, and the oil outlet is arranged at the upper part of the upper low-temperature area.
Preferably, a cooling partition plate is arranged between the upper low-temperature region and the lower high-temperature region of the engine oil cooling cavity, and an engine oil channel is arranged on the cooling partition plate.
Has the advantages that:
the utility model discloses a motorcycle engine oil cooling system, adopt the air-cooled and water-cooled double cooling mode, pump the machine oil out by the oil pump from the machine oil pocket, get into the machine oil cooling chamber in the crankcase lid, the design of cooling water around the cooling oil pocket and top surface, the cooling water is the recirculated cooling water in the motorcycle water-cooled engine, the cooling water can be cooled through radiator and fan mode, the general temperature is about 80 ℃, the machine oil is after the cooling water cooling, the temperature balance, can make the machine oil temperature of this department will be low; and secondly, the bottom of the engine oil cooling cavity is higher than the bottom of an oil pan of the engine, and the engine oil stored at the bottom of the oil pan cannot be pumped out by the engine oil pump because the oil level is lower and is always stored at the bottom which is separated from the outside. When the motorcycle runs, the head-on wind speed cools the part, so that the temperature of the engine oil at the part is lower than that of the machine without lubricating the parts. Generally, the engine oil at the position can balance and cool the engine oil which flows back after lubricating parts, and the oil temperature after the oil pan is balanced and cooled is generally about 100-110 ℃ (the oil temperature passing through the natural air cooling bottom is about 5 ℃ lower than the temperature); the utility model discloses an engine oil cooling chamber, the cold machine oil through recirculated cooling water (mainly with cooling water remove cooling machine oil) and oil pan bottom removes the cooling, finally let the machine oil of cooling oil pocket (the machine oil of removing lubricated part) keep about 90-95 ℃, the viscosity effect of this temperature is best, improve lubricated effect, low temperature machine oil removes the cylinder body, the cylinder head of lubricated engine in addition, can make the temperature of this high temperature zone of cylinder body and cylinder head descend, the life of extension engine that can be better.
The engine oil cooling cavity is provided with a lower high-temperature area and an upper low-temperature area: the engine oil pumped by the engine oil pump firstly enters a high-temperature area without being cooled, flows in the high-temperature area, is cooled by cooling water at the periphery and the lower part and low-temperature engine oil at an oil pan, then enters a low-temperature area of an oil cavity, flows at a low-temperature position, is cooled by the cooling water, and flows into a cylinder body, a cylinder head and various parts for lubrication after being cooled stably.
Drawings
FIG. 1 is a view showing the structure of an oil cooling system of a motorcycle engine according to an embodiment.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or replacements within the basic spirit of the embodiments still fall within the scope of the present invention claimed in the claims.
Example (b): as shown in fig. 1, the present embodiment provides an oil cooling system for a motorcycle engine, which can be used in a motor tricycle, a motorcycle, or an automobile. The water pump is characterized by comprising a crankcase cover 1 and a water pump assembly 2, wherein the water pump assembly is arranged on the crankcase cover, and the water pump cover 3 is arranged on the cover end face of the crankcase cover. In this embodiment, the crankcase cover is a right crankcase cover. An engine oil cooling cavity 6 with an oil inlet 4 and an oil outlet 5 is arranged in the right crankcase cover, and a cooling water channel 7 is arranged on the outer wall of the engine oil cooling cavity. The cooling water channel is formed by the outer wall of the engine oil cooling cavity, the inner wall of the water pump cover and the inner wall of the crankcase cover. An engine oil cavity 8 is arranged on one side of the engine oil cooling cavity, which is opposite to the water pump cover, an oil pan 9 is arranged at the bottom of the engine oil cavity, and an oil inlet of the engine oil cooling cavity is communicated with the engine oil cavity through an engine oil pump. The cooling water channel 7 is arranged on the other side surfaces including the front side, the rear side, the left side, the lower side and the top side except for one side adjacent to the engine oil cavity (the engine oil cooling cavity and the engine oil cavity are only separated by aluminum alloy with the wall thickness of 2.5 mm). The cooling water channel is communicated with a water inlet 11 of the water pump assembly.
As another embodiment in this embodiment, an air cooling fin 12 is further disposed on the outer wall of the water pump cover.
As another embodiment in the present embodiment, the inner bottom wall of the oil pan 9 is lower than the inner bottom wall of the oil cooling chamber. And the bottom wall of the oil pan is made of aluminum alloy with the thickness of 3.0mm, and the bottom wall of the oil pan is directly contacted with the outside air.
In another embodiment of the present embodiment, the oil cooling chamber is divided into an upper low temperature zone 14 and a lower high temperature zone 15 by a cooling partition 13. And an engine oil channel is arranged on the cooling partition plate, so that engine oil in the upper cavity and the lower cavity can flow mutually. The oil inlet is arranged at the lower part of the lower high-temperature area, and the oil outlet is arranged at the upper part of the upper low-temperature area.
In this embodiment, the circulation system of the engine oil is: the engine oil is stored in the engine oil cavity, pumped into the engine oil cooling cavity through the engine oil pump and then flows into parts such as a cylinder head and a cylinder body for lubrication through the engine oil cooling cavity. And after the lubrication is finished, the lubricating oil returns to the engine oil cavity through the oil duct, and the operation is repeated in a circulating way.
The engine oil cooling system of the motorcycle engine in the embodiment adopts a double cooling mode of air cooling and water cooling, wherein the air cooling refers to air cooling of cooling water and air cooling of engine oil at the bottom of an oil pan in an engine oil cavity, and water cooling of the engine oil in the engine oil cooling cavity. The effect that the utensil can reach does: the periphery and the top surface of the cooling oil cavity are provided with cooling water, the cooling water is circulating cooling water in a water-cooled engine of the motorcycle, the cooling water is cooled by a radiator and a fan, the temperature of the cooling water is about 80 ℃, and engine oil is cooled by the cooling water, so that the temperature of the engine oil at the position is low due to the balance of the temperature; secondly, the bottom of the cooling oil cavity is separated from the bottom of an oil pan of the engine (only by aluminum alloy with the wall thickness of 2.5 mm), the engine oil stored at the bottom of the oil pan cannot be pumped out by the engine oil pump due to the low oil surface, and is always stored at the bottom, the bottom is separated from the outside (only by aluminum alloy with the wall thickness of 3 mm), when the motorcycle is driven, the front wind speed can cool the part, therefore, the temperature of the engine oil at the part is lower than that of the engine for lubricating the parts, generally, the engine oil at the part can balance the engine oil which flows back after cooling the lubricated parts, and the oil temperature of the oil pan after balanced cooling is generally about 100-110 ℃ (the temperature of the oil passing through the natural wind cooling bottom is about 5 ℃ lower than the temperature). The double-cooling engine oil cavity of the embodiment is cooled by circulating cooling water (mainly cooling oil by cooling water) and cooling oil at the bottom of the oil pan, and finally the engine oil (engine oil for lubricating parts) in the cooling oil cavity is kept at about 90-95 ℃, so that the viscosity effect of the temperature is optimal, the lubricating effect is improved, and in addition, the low-temperature engine oil is used for lubricating the cylinder body and the cylinder head of the engine, so that the temperature of the high-temperature area of the cylinder body and the cylinder head is reduced, and the service life of the engine can be better prolonged.
The cooling oil cavity is provided with a high-temperature area and a low-temperature area: the engine oil pumped by the engine oil pump firstly enters a high-temperature area without being cooled, flows in the high-temperature area, is cooled by cooling water at the periphery and the bottom and low-temperature engine oil at an oil pan, then enters a low-temperature area of an oil cavity, flows at a low-temperature position, is cooled by the cooling water, and flows into a cylinder body, a cylinder head and various parts for lubrication after being cooled stably.
Claims (8)
1. The utility model provides a motorcycle engine oil cooling system, includes crankcase lid and water pump assembly, water pump assembly installs on the crankcase lid, water pump cover is installed the lid terminal surface of crankcase lid, its characterized in that: an engine oil cooling cavity with an oil inlet and an oil outlet is arranged in the crankcase cover, and a cooling water channel is arranged on the outer wall of the engine oil cooling cavity; the cooling water channel is formed by the outer wall of the engine oil cooling cavity, the inner wall of the water pump cover and the inner wall of the crankcase cover.
2. A motorcycle engine oil cooling system as set forth in claim 1, wherein: and an oil cavity is formed in one side of the engine oil cooling cavity, which is opposite to the water pump cover, an oil pan is arranged at the bottom of the engine oil cavity, and an oil inlet of the engine oil cooling cavity is communicated with the engine oil cavity.
3. A motorcycle engine oil cooling system as set forth in claim 2, wherein: and the other sides of the engine oil cooling cavity are provided with the cooling water channels.
4. A motorcycle engine oil cooling system as set forth in claim 2 or 3, wherein: the inner bottom wall of the oil pan is lower than the inner bottom wall of the oil cooling chamber.
5. A motorcycle engine oil cooling system as set forth in any one of claims 1 through 3, characterized in that: the engine oil cooling cavity is divided into an upper low-temperature area and a lower high-temperature area, the oil inlet is arranged on the lower portion of the lower high-temperature area, and the oil outlet is arranged on the upper portion of the upper low-temperature area.
6. A motorcycle engine oil cooling system as set forth in claim 4, wherein: the engine oil cooling cavity is divided into an upper low-temperature area and a lower high-temperature area, the oil inlet is arranged on the lower portion of the lower high-temperature area, and the oil outlet is arranged on the upper portion of the upper low-temperature area.
7. A motorcycle engine oil cooling system as set forth in claim 5, wherein: and a cooling partition plate is arranged between the upper low-temperature area and the lower high-temperature area of the engine oil cooling cavity, and an engine oil channel is arranged on the cooling partition plate.
8. A motorcycle engine oil cooling system as set forth in claim 6, wherein: and a cooling partition plate is arranged between the upper low-temperature area and the lower high-temperature area of the engine oil cooling cavity, and an engine oil channel is arranged on the cooling partition plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023239336.3U CN214577271U (en) | 2020-12-29 | 2020-12-29 | Motorcycle engine oil cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023239336.3U CN214577271U (en) | 2020-12-29 | 2020-12-29 | Motorcycle engine oil cooling system |
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| CN214577271U true CN214577271U (en) | 2021-11-02 |
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| CN202023239336.3U Active CN214577271U (en) | 2020-12-29 | 2020-12-29 | Motorcycle engine oil cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024027442A1 (en) * | 2022-08-02 | 2024-02-08 | 浙江钱江摩托股份有限公司 | Engine oil cooling structure of engine |
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- 2020-12-29 CN CN202023239336.3U patent/CN214577271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024027442A1 (en) * | 2022-08-02 | 2024-02-08 | 浙江钱江摩托股份有限公司 | Engine oil cooling structure of engine |
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