CN114542233A - Low-flow-resistance engine cylinder body lubricating oil channel arrangement structure - Google Patents
Low-flow-resistance engine cylinder body lubricating oil channel arrangement structure Download PDFInfo
- Publication number
- CN114542233A CN114542233A CN202210155383.4A CN202210155383A CN114542233A CN 114542233 A CN114542233 A CN 114542233A CN 202210155383 A CN202210155383 A CN 202210155383A CN 114542233 A CN114542233 A CN 114542233A
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- China
- Prior art keywords
- oil
- cylinder body
- oil passage
- communicated
- piston cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 75
- 239000003921 oil Substances 0.000 claims abstract description 189
- 238000001816 cooling Methods 0.000 claims abstract description 57
- 230000001050 lubricating effect Effects 0.000 claims abstract description 19
- 239000010705 motor oil Substances 0.000 claims description 5
- 238000005461 lubrication Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/02—Arrangements of lubricant conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/06—Arrangements for cooling pistons
- F01P3/08—Cooling of piston exterior only, e.g. by jets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/18—Other cylinders
- F02F1/20—Other cylinders characterised by constructional features providing for lubrication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a low-flow-resistance engine cylinder body lubricating oil passage arrangement structure which comprises a cylinder body main oil passage arranged on the exhaust side of a cylinder body and a piston cooling nozzle lubricating oil passage arranged on the air inlet side of the cylinder body, wherein the lengths of the cylinder body main oil passage and the piston cooling nozzle lubricating oil passage are along the front-back direction; the device also comprises an exhaust side inclined oil passage, an intake side inclined oil passage, an upper cylinder cover communicating oil passage and a plurality of piston cooling nozzle lubricating auxiliary oil passages; the upper end of the exhaust side inclined oil passage is communicated with the main oil passage of the cylinder body, and the lower end of the exhaust side inclined oil passage can be communicated with an oil cooler and an oil filter module; the upper end of the air inlet side inclined oil passage is communicated with the lubricating oil passage of the piston cooling nozzle, and the lower end of the air inlet side inclined oil passage can be communicated with an oil cooler and an oil filter module. The invention can reduce the pressure loss of a cylinder body lubricating oil channel line, reduce the power consumption of the oil pump and improve the efficiency of the engine.
Description
Technical Field
The invention relates to an engine, in particular to a low-flow-resistance engine cylinder body lubricating oil channel arrangement structure.
Background
With the continuous improvement of the requirements on the performance of the engine in the automobile industry, the requirements on the thermal efficiency of the engine are higher and higher, and the cylinder lubricating oil passage is used as an important flow path of engine lubricating oil, so that the flow resistance is required to be as small as possible. Therefore, on the premise that the pressure requirement of the lubricating oil at the terminal is not changed, the load of the oil pump is reduced, and the efficiency and the economy of the engine can be improved. The traditional cylinder lubricating oil channel circuit is often influenced by limiting factors such as structure and process, and has more turns, and lubricating oil can enter parts needing lubrication such as a cylinder cover, a main bearing disc and a piston cooling nozzle after entering the cylinder lubricating oil channel from an oil cooler and an oil filter module and needing to be turned for many times, so that the flow resistance is large, the pressure drop is serious, and the power consumption of an engine is high.
CN207064096U discloses an arrangement structure of a lubricating oil passage of an engine cylinder, which includes a main oil passage disposed at an air inlet side of the cylinder, and a lubricating oil passage of a piston cooling nozzle disposed at an air outlet side of the cylinder, wherein the lubricating oil passage of the piston cooling nozzle is parallel to the main oil passage and higher than the main oil passage in the Z direction, a horizontal oil passage is disposed at the front end of the cylinder, and the horizontal oil passage is communicated with one end of the main oil passage; and the lower end of the vertical oil duct is communicated with the lubricating oil duct of the piston cooling nozzle and is communicated with the other end of the horizontal oil duct. The arrangement structure of the lubricating oil channel of the engine cylinder body can ensure lubricating and oil supplying of the piston cooling nozzle, can avoid the formation of a 'well' -shaped oil channel on a crankcase, improve the manufacturability, and overcome the difficulty that the hole is blocked and cleaned by aluminum scraps caused by the fact that pre-casting cannot be carried out and only transverse and longitudinal staggered oil channels can be machined. Needless to say, the technical solution disclosed in this patent document is a useful attempt in the technical field.
Disclosure of Invention
In view of this, the present invention provides an engine cylinder block lubricant passage arrangement structure with low flow resistance, which can reduce the pressure loss of the cylinder block lubricant passage line, reduce the power consumption of the oil pump, and improve the efficiency of the engine.
The invention relates to a low-flow-resistance engine cylinder body lubricating oil passage arrangement structure which comprises a cylinder body main oil passage arranged on the exhaust side of a cylinder body and a piston cooling nozzle lubricating oil passage arranged on the air inlet side of the cylinder body, wherein the lengths of the cylinder body main oil passage and the piston cooling nozzle lubricating oil passage are along the front-back direction;
the device also comprises an exhaust side inclined oil passage, an intake side inclined oil passage, an upper cylinder cover communicating oil passage and a plurality of piston cooling nozzle lubricating auxiliary oil passages;
the upper end of the exhaust side inclined oil passage is communicated with the main oil passage of the cylinder body, and the lower end of the exhaust side inclined oil passage can be communicated with an oil cooler and an oil filter module;
the upper end of the air inlet side inclined oil passage is communicated with the lubricating oil passage of the piston cooling nozzle, and the lower end of the air inlet side inclined oil passage can be communicated with an oil cooler and an oil filter module;
the lower end of the upper cylinder cover communicating oil duct is communicated with the cylinder body main oil duct, and the upper end of the upper cylinder cover communicating oil duct can be communicated with a cylinder cover lubricating oil duct;
the piston cooling nozzle lubricating auxiliary oil passages are arranged at intervals in the front-rear direction, the upper ends of the piston cooling nozzle lubricating auxiliary oil passages are communicated with the piston cooling nozzle lubricating oil passages, and the lower ends of the piston cooling nozzle lubricating auxiliary oil passages can supply oil to and cool the piston cooling nozzles respectively.
The cylinder body further comprises a plurality of main bearing seat oil passages which are arranged at intervals in the front-rear direction, the upper ends of the main bearing seat oil passages are communicated with the cylinder body main oil passage, and the lower ends of the main bearing seat oil passages can respectively lubricate the main bearing seats.
And one end of the supercharger oil inlet channel is communicated with one main bearing seat oil channel, and the other end of the supercharger oil inlet channel can be communicated with a supercharger assembly.
Further, the cylinder body main oil gallery is communicated in the front-rear direction, an engine oil pressure sensor is arranged at the front end of the cylinder body main oil gallery, and the rear end of the cylinder body main oil gallery can be communicated with a lubricating oil way of the timing chain tensioner.
Further, the piston cooling nozzle lubricating oil channel is a blind hole machined from back to front, and a plug is arranged at the rear end of the piston cooling nozzle lubricating oil channel.
The invention has the beneficial effects that: the invention supplies oil to the cylinder main oil duct and the piston cooling nozzle oil duct respectively through a double-line parallel oil duct circuit arrangement mode, the lubricating oil flows into the cylinder cover oil duct from the oil cooler and the oil filter module and only passes through two turns, the lubricating oil flows to the main bearing seat bearing bush from the oil cooler and the oil filter module and only passes through two turns, the lubricating oil flows to the piston cooling nozzle from the oil cooler and the oil filter module and only passes through two turns, the lubricating oil flows to the supercharger assembly from the oil cooler and the oil filter module and only passes through three turns, and the problems of more turns and large flow resistance caused by overlong circuits due to series connection of oil ducts are solved, the lubricating function of the cylinder body system and the cooling requirement of the piston group are ensured, the pressure loss of a cylinder body lubricating oil channel line is reduced, the power consumption of an oil pump is reduced, and the efficiency of an engine is improved.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is an isometric illustration of the lubrication oil gallery circuit of the present invention;
fig. 2 is a front view of fig. 1.
The drawings are numbered as follows: 1-cylinder body main oil duct, 2-piston cooling nozzle lubricating oil duct, 3-exhaust side inclined oil duct, 4-air inlet side inclined oil duct, 5-upper cylinder cover communicating oil duct, 6-piston cooling nozzle lubricating auxiliary oil duct, 7-main bearing seat oil duct and 8-supercharger oil inlet duct.
Detailed Description
As shown in fig. 1-2, the low-flow-resistance engine cylinder lubricating oil passage arrangement structure in the present embodiment includes a cylinder main oil passage 1 disposed on the exhaust side of the cylinder and a piston cooling nozzle lubricating oil passage 2 disposed on the intake side of the cylinder, and the lengths of the cylinder main oil passage 1 and the piston cooling nozzle lubricating oil passage 2 are both in the front-rear direction;
the device also comprises an exhaust side inclined oil passage 3, an intake side inclined oil passage 4, an upper cylinder cover communicating oil passage 5 and a plurality of piston cooling nozzle lubricating auxiliary oil passages 6;
the upper end of the exhaust side inclined oil duct 3 is communicated with the cylinder body main oil duct 1, and the lower end of the exhaust side inclined oil duct 3 can be communicated with an oil cooler and an oil filter module;
the upper end of the air inlet side inclined oil passage 4 is communicated with the piston cooling nozzle lubricating oil passage 2, and the lower end of the air inlet side inclined oil passage 4 can be communicated with an oil cooler and an oil filter module;
the lower end of the upper cylinder cover communicating oil duct 5 is communicated with the cylinder body main oil duct 1, and the upper end of the upper cylinder cover communicating oil duct 5 can be communicated with a cylinder cover lubricating oil duct;
the plurality of piston cooling nozzle lubricating auxiliary oil passages 6 are arranged at intervals in the front-back direction, the upper ends of the plurality of piston cooling nozzle lubricating auxiliary oil passages 6 are communicated with the piston cooling nozzle lubricating oil passage 2, the lower ends of the plurality of piston cooling nozzle lubricating auxiliary oil passages 6 can supply oil to and cool each piston cooling nozzle, and the number of the piston cooling nozzle lubricating auxiliary oil passages 6 is four in the embodiment.
In this embodiment, the cylinder block further includes a plurality of main bearing seat oil passages 7, the plurality of main bearing seat oil passages 7 are arranged at intervals in the front-rear direction, the upper ends of the plurality of main bearing seat oil passages 7 are all communicated with the cylinder block main oil passage 1, and the lower ends of the plurality of main bearing seat oil passages 7 can lubricate each main bearing seat. The number of main-bearing-housing oil passages 7 is five in this embodiment.
In this embodiment, the turbocharger further includes a turbocharger oil inlet channel 8, one end of the turbocharger oil inlet channel 8 is communicated with one of the main bearing seat oil passages 7, and the other end of the turbocharger oil inlet channel 8 can be communicated with the turbocharger assembly.
In this embodiment, the cylinder main oil gallery 1 penetrates in the front-rear direction, the front end of the cylinder main oil gallery 1 is provided with an oil pressure sensor, and the rear end of the cylinder main oil gallery 1 can be communicated with the timing chain tensioner lubricating oil passage. When the engine oil pressure sensor is assembled, the assembly position is sealed at the same time, so that oil leakage at the front end of the main oil gallery 1 of the cylinder body is prevented.
In this embodiment, piston cooling nozzle lubrication oil duct 2 is the blind hole that the machine adds forward from the back and forms, and piston cooling nozzle lubrication oil duct 2's rear end is provided with the jam. The blind hole is convenient to process, and the blockage can prevent the sealing performance of the lubricating oil channel 2 of the piston cooling nozzle and prevent the oil leakage at the rear end of the lubricating oil channel 2 of the piston cooling nozzle.
The low-flow-resistance engine cylinder body lubricating oil channel arrangement structure in the embodiment is provided with two lubricating oil channel lines which are not interfered with each other; lubricating oil in the first lubricating oil channel line flows into the exhaust side inclined oil channel 3 from the oil cooler and oil filter module, then flows into the cylinder body main oil channel 1 through the exhaust side inclined oil channel 3, and then flows into the upper cylinder cover communication oil channel 5, the main bearing seat oil channel 7, the supercharger oil inlet channel 8 and the timing chain tensioner lubricating oil channel from the cylinder body main oil channel 1 respectively, so that enough lubricating oil can be provided for the cylinder cover lubricating oil channel, each main bearing seat bearing bush, the supercharger assembly and the timing chain tensioner; lubricating oil in the second lubricating oil channel line flows into the air inlet side inclined oil channel 4 from the oil cooler and oil filter module, then flows into the piston cooling nozzle lubricating oil channel 2 through the air inlet side inclined oil channel 4, and then flows to the piston cooling nozzle lubricating auxiliary oil channels 6 from the piston cooling nozzle lubricating oil channel 2, so that enough lubricating oil can be provided for the piston cooling nozzles. Through the arrangement mode of the lubricating oil channel circuit with double parallel lines, the lubricating oil is respectively supplied to the main oil channel 1 of the cylinder body and the lubricating oil channel 2 of the piston cooling nozzle, the lubricating oil flows into the lubricating oil channel of the cylinder cover from the oil cooler and the oil filter module and is only turned twice, the lubricating oil flows to the main bearing seat bearing bush from the oil cooler and the oil filter module and is also only turned twice, the lubricating oil flows to the piston cooling nozzle from the oil cooler and the oil filter module and is also turned twice, the lubricating oil flows to the supercharger assembly from the oil cooler and the oil filter module and is only turned three times, and the problems of more turning and large flow resistance caused by overlong lines due to series connection of oil channels are solved, the lubricating function of the cylinder body system and the cooling requirement of the piston group are ensured, the pressure loss of a cylinder body lubricating oil channel line is reduced, the power consumption of an oil pump is reduced, and the efficiency of an engine is improved.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides an engine cylinder body lubricating oil channel arrangement structure of low flow resistance, is including setting up cylinder body main oil gallery (1) in cylinder body exhaust side and arranging piston cooling nozzle lubricating oil channel (2) in cylinder body side of admitting air, the length of cylinder body main oil gallery (1) and piston cooling nozzle lubricating oil channel (2) all is along fore-and-aft direction, its characterized in that:
the device also comprises an exhaust side inclined oil passage (3), an intake side inclined oil passage (4), an upper cylinder cover communicating oil passage (5) and a plurality of piston cooling nozzle lubricating auxiliary oil passages (6);
the upper end of the exhaust side inclined oil duct (3) is communicated with the cylinder body main oil duct (1), and the lower end of the exhaust side inclined oil duct (3) can be communicated with an oil cooler and an oil filter module;
the upper end of the air inlet side inclined oil passage (4) is communicated with the piston cooling nozzle lubricating oil passage (2), and the lower end of the air inlet side inclined oil passage (4) can be communicated with an engine oil cooler and an engine oil filter module;
the lower end of the upper cylinder cover communicating oil duct (5) is communicated with the cylinder body main oil duct (1), and the upper end of the upper cylinder cover communicating oil duct (5) can be communicated with a cylinder cover lubricating oil duct;
the piston cooling nozzle lubricating auxiliary oil passages (6) are arranged at intervals in the front-back direction, the upper ends of the piston cooling nozzle lubricating auxiliary oil passages (6) are communicated with the piston cooling nozzle lubricating oil passages (2), and the lower ends of the piston cooling nozzle lubricating auxiliary oil passages (6) can supply oil to and cool the piston cooling nozzles respectively.
2. The low flow resistance engine block oil gallery arrangement of claim 1, wherein: the cylinder body is characterized by further comprising a plurality of main bearing seat oil ducts (7), wherein the main bearing seat oil ducts (7) are arranged at intervals in the front-back direction, the upper ends of the main bearing seat oil ducts (7) are communicated with the cylinder body main oil duct (1), and the lower ends of the main bearing seat oil ducts (7) can respectively lubricate the main bearing seats.
3. The low flow resistance engine block oil gallery arrangement of claim 2, wherein: the oil-gas separator further comprises a supercharger oil inlet channel (8), one end of the supercharger oil inlet channel (8) is communicated with one main bearing seat oil channel (7), and the other end of the supercharger oil inlet channel can be communicated with a supercharger assembly.
4. The low flow resistance engine block oil gallery arrangement of claim 1, wherein: the lubricating oil passage is characterized in that the cylinder body main oil passage (1) penetrates through the lubricating oil passage in the front-back direction, an engine oil pressure sensor is arranged at the front end of the cylinder body main oil passage (1), and the rear end of the cylinder body main oil passage (1) can be communicated with a lubricating oil passage of a timing chain tensioner.
5. The low flow resistance engine block oil gallery arrangement of claim 1, wherein: the piston cooling nozzle lubricating oil channel (2) is a blind hole machined from back to front, and a plug is arranged at the rear end of the piston cooling nozzle lubricating oil channel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210155383.4A CN114542233B (en) | 2022-02-21 | 2022-02-21 | Low-flow-resistance engine cylinder body lubricating oil duct arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210155383.4A CN114542233B (en) | 2022-02-21 | 2022-02-21 | Low-flow-resistance engine cylinder body lubricating oil duct arrangement structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114542233A true CN114542233A (en) | 2022-05-27 |
| CN114542233B CN114542233B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210155383.4A Active CN114542233B (en) | 2022-02-21 | 2022-02-21 | Low-flow-resistance engine cylinder body lubricating oil duct arrangement structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09287429A (en) * | 1996-04-18 | 1997-11-04 | Nippon Soken Inc | Lubricating device of internal combustion engine |
| CN207064096U (en) * | 2017-07-21 | 2018-03-02 | 重庆长安汽车股份有限公司 | A kind of Lubricating oil channel of engine cylinder body arrangement |
| CN107939505A (en) * | 2017-10-29 | 2018-04-20 | 重庆长安汽车股份有限公司 | A kind of oil line arrangement structure of engine piston cooling nozzle |
| CN208364232U (en) * | 2018-06-20 | 2019-01-11 | 浙江吉利控股集团有限公司 | A kind of piston cooling structure, engine-cooling system, engine and automobile |
| CN210799066U (en) * | 2019-12-02 | 2020-06-19 | 哈尔滨东安汽车发动机制造有限公司 | Arrangement structure of engine cylinder block lubricating oil way |
| CN113417712A (en) * | 2021-07-28 | 2021-09-21 | 奇瑞汽车股份有限公司 | Lubricating system of engine and engine |
-
2022
- 2022-02-21 CN CN202210155383.4A patent/CN114542233B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09287429A (en) * | 1996-04-18 | 1997-11-04 | Nippon Soken Inc | Lubricating device of internal combustion engine |
| CN207064096U (en) * | 2017-07-21 | 2018-03-02 | 重庆长安汽车股份有限公司 | A kind of Lubricating oil channel of engine cylinder body arrangement |
| CN107939505A (en) * | 2017-10-29 | 2018-04-20 | 重庆长安汽车股份有限公司 | A kind of oil line arrangement structure of engine piston cooling nozzle |
| CN208364232U (en) * | 2018-06-20 | 2019-01-11 | 浙江吉利控股集团有限公司 | A kind of piston cooling structure, engine-cooling system, engine and automobile |
| CN210799066U (en) * | 2019-12-02 | 2020-06-19 | 哈尔滨东安汽车发动机制造有限公司 | Arrangement structure of engine cylinder block lubricating oil way |
| CN113417712A (en) * | 2021-07-28 | 2021-09-21 | 奇瑞汽车股份有限公司 | Lubricating system of engine and engine |
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| Publication number | Publication date |
|---|---|
| CN114542233B (en) | 2024-05-14 |
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