CN109630253A - A kind of engine oil line structure and engine - Google Patents
A kind of engine oil line structure and engine Download PDFInfo
- Publication number
- CN109630253A CN109630253A CN201811525275.1A CN201811525275A CN109630253A CN 109630253 A CN109630253 A CN 109630253A CN 201811525275 A CN201811525275 A CN 201811525275A CN 109630253 A CN109630253 A CN 109630253A
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- China
- Prior art keywords
- oil
- cooling nozzle
- piston cooling
- engine
- connecting tube
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Classifications
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- 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
- 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
- F01M1/00—Pressure lubrication
- F01M1/04—Pressure lubrication using pressure in working cylinder or crankcase to operate lubricant feeding devices
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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 present invention relates to technical field of engines more particularly to a kind of engine oil line structures and engine.Engine oil line structure includes engine block, interconnected oil feeding line and crankshaft axis hole are provided in engine block, it further include piston cooling nozzle, piston cooling nozzle is connected to crankshaft axis hole and cylinder cylinder holes respectively, and cooling oil successively flows into oil feeding line, crankshaft axis hole and piston cooling nozzle and enters in cylinder cylinder holes.In the present invention, piston cooling nozzle is connected to crankshaft axis hole and cylinder holes respectively, be can be realized piston cooling nozzle and is directly taken cooling oil out of crankshaft axis hole.Compared with the prior art is individually for piston cooling nozzle setting oil feeding line, piston cooling nozzle directly takes cooling oil from the oil feeding line that crankshaft and crankshaft axis hole are formed in the present invention, reduce additional dedicated oil duct, it can reduce the difficulty that oil feeding line is separately provided for piston cooling nozzle, it is arranged convenient for the structure of engine block, while also realizing the light-weight design to engine block.
Description
Technical field
The present invention relates to technical field of engines more particularly to a kind of engine oil line structures and engine.
Background technique
With being constantly progressive for gasoline engine technology, improves petrol engine compression ratio and have become universal application side
One of method, after the compression ratio for improving engine, the thermic load that perforator can be made to burn increases, and is easy to produce pinking, in order to
Thermic load is reduced, needs to increase piston cooling nozzle on cylinder body, be cooled down by machine oil.
Piston cooling nozzle usually requires to take oil from the oil duct of specific placement, such as Chinese patent literature CN204511556U
Disclosed in a kind of engine cylinder body lubricant passage way system, piston cooling nozzle is directly connected to main oil gallery in the oil piping system,
It is that piston is cooling that piston cooling nozzle takes oil from main oil gallery.Although this kind of set-up mode intuitively can be provided effectively for piston
Cooling oil, but in the design of the engine block, it is unfavorable for the arrangement of oil duct and the light-weight design of engine block.Simultaneously
Existing nozzle is positioned using plane and two pits, and when deviation occurs in positioning, the oil inlet target practice efficiency that can directly generate nozzle is poor
The problem of.
It is, therefore, desirable to provide a kind of engine oil line structure, is able to solve and is needed in the prior art for piston cooling nozzle
Design specialized oil duct takes the problem of oil.
Summary of the invention
It is an object of the invention to propose a kind of engine oil line structure, piston cooling nozzle can be made from other chamber shapes
At oil feeding line in take oil, for piston cool down, realize engine block light-weight design.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of engine oil line structure, including engine block are provided, are provided with oil feeding line and song in the engine block
Axis axis hole, the oil feeding line are connected to crankshaft axis hole, further include piston cooling nozzle, described piston cooling nozzle one end and institute
State the connection of crankshaft axis hole, the other end is connected to cylinder cylinder holes, cooling oil successively flow into the oil feeding line, the crankshaft axis hole and
The piston cooling nozzle enters in cylinder cylinder holes.
Preferably, piston cooling nozzle oil circuit is additionally provided in the engine block, the piston cooling nozzle oil circuit
It is connected to respectively with the crankshaft axis hole and cylinder holes；The piston cooling nozzle is arranged in the piston cooling nozzle oil circuit, institute
The central axes for stating piston cooling nozzle oil circuit are straight line.
Preferably, the jet of the piston cooling nozzle is conical opening.
Preferably, the jet of the piston cooling nozzle is aligned with the piston fuel feed hole being located in cylinder holes.
Preferably, the piston cooling nozzle include the first connecting tube and the second connecting tube, first connecting tube and
The second connecting tube connection.
Preferably, first connecting tube is connect with the piston cooling nozzle oil circuit clearance fit.
Preferably, second connecting tube and piston cooling nozzle oil circuit interference fit connect.
Preferably, first connecting tube includes spray bar and crosses oil pipe, the oil pipe of crossing is separately connected the oil spout
Pipe and second connecting tube, the tubing diameter of crossing are less than the second connection pipe diameter.
Preferably, the spray bar is conical pipe, big end is connect with the oil pipe of crossing.
A kind of engine is additionally provided in the present invention, including engine oil line structure described above.
The invention has the advantages that:
In the present invention, piston cooling nozzle is connected to crankshaft axis hole and cylinder holes respectively, and it is straight to can be realized piston cooling nozzle
It connects and takes cooling oil out of crankshaft axis hole.Compared with being individually for piston cooling nozzle setting oil feeding line in the prior art, this implementation
Piston cooling nozzle directly takes cooling oil from the oil feeding line that crankshaft and crankshaft axis hole are formed in example, reduces additional special
With oil duct, the difficulty that oil feeding line is separately provided for piston cooling nozzle can reduce, arrange convenient for the structure of engine block, together
When also realize light-weight design to engine block.
Engine provided by the invention, the engine in the design process, are not needed to piston cooling nozzle design specialized
Oil feeding line, piston cooling nozzle is connected to crankshaft axis hole directly takes cooling oil out of crankshaft axis hole, can be realized engine
The light-weight design of oil feeding line.
Detailed description of the invention
Fig. 1 is the structural schematic diagram at the first visual angle of engine oil line structure provided in an embodiment of the present invention；
Fig. 2 is the bottom view for the engine oil line structure that Fig. 1 is provided；
Fig. 3 is the structural schematic diagram after engine block and piston cooling nozzle installation；
Fig. 4 is the structural schematic diagram of piston cooling nozzle in Fig. 3.
In figure:
1, engine block；11, oil feeding line；12, piston cooling nozzle oil circuit；13, crankshaft axis hole；14, cylinder holes；15,；2,
Piston cooling nozzle；21, the first connecting tube；211, spray bar；212, oil pipe is crossed；22, the second connecting tube；.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
In conjunction with attached drawing and pass through specific embodiment to further illustrate the technical scheme of the present invention.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing and it is not all.
A kind of engine oil line structure is provided in the present embodiment, as shown in Figure 1-3, it includes engine block 1 and piston
Cooling nozzles 2, are provided with oil feeding line 11 and crankshaft axis hole 13 in engine block 1, and oil feeding line 11 and crankshaft axis hole 13 connect
Lead to and provide lubricating oil for crankshaft bearing liner, piston cooling nozzle 2 is connected to crankshaft axis hole 13 and cylinder holes 14 respectively, and cooling oil successively flows
Enter oil feeding line 11, crankshaft axis hole 13 and piston cooling nozzle 2, then enters in cylinder cylinder holes 14.Piston cooling nozzle 2 can
Lubricating oil is taken from the oil circuit that crankshaft bearing liner and crankshaft axis hole 13 are formed and provides cooling oil for piston, to make oil feeding line 11
In oil indirectly enter in cylinder holes 14, realize the purpose cooling to piston.
Wherein the oil feeding line 11 can based on oil feeding line, or secondary oil feeding line, as long as can be crankshaft axis
Watt provide lubricating oil, compared with being individually for piston cooling nozzle 2 in the prior art and specific oil feeding line be set, the present embodiment
Middle piston cooling nozzle 2 directly takes cooling oil from the oil circuit that crankshaft bearing liner and crankshaft axis hole 13 are formed, and is not necessarily to additional designs
Dedicated oil duct can reduce the difficulty that oil feeding line is separately provided for piston cooling nozzle 2, arrange convenient for 1 structure of engine block,
The light-weight design to engine block 1 is also achieved simultaneously.
In order to which piston cooling nozzle 2 is assembled and positioned, the cooling spray of piston is additionally provided in engine block 1
Mouth oil circuit 12；Piston cooling nozzle 2 be arranged in piston cooling nozzle oil circuit 12, piston cooling nozzle oil circuit 12 respectively with crankshaft
Axis hole 13 and the connection of cylinder holes 14 guarantee that piston cooling nozzle 2 can be connected to crankshaft axis hole 13 and cylinder holes 14, piston cooling nozzle
The central axes of oil circuit 12 are straight line.I.e. the piston cooling nozzle oil circuit 12 and piston cooling nozzle 2 are straight tube structure, and piston is cold
But the jet of nozzle 2 is aligned with the piston fuel feed hole being located in cylinder holes 14, guarantees the target practice efficiency of cooling oil.
Meanwhile the jet of piston cooling nozzle 2 is conical opening, which is cooling oil from piston cooling nozzle 2
Interior flowing provides guiding performance, concentrates cooling oil more from 2 ejection place of piston cooling nozzle, will not spray in divergent shape；Phase
Than existing piston cooling nozzle for for bending structure, this kind of structure can preferably promote coolant liquid target practice efficiency, that is, improve
Cooling oil enters the accuracy rate of piston oil inlet from piston cooling nozzle 2.The specific location energy of the jet of piston cooling nozzle 2
Obtain strong guarantee.Meanwhile the piston cooling nozzle 2 provided in the present embodiment, relative to existing piston cooling nozzle
Speech, processing technology require to substantially reduce, since piston cooling nozzle is bending structure, this kind of bending structure processing in the prior art
Technique requires height, if bending angle slightly has error in process, usually will cause piston cooling nozzle in the prior art
It cannot be directed at the oil inlet of piston, target practice efficiency is greatly reduced.Even and if the piston cooling nozzle 2 provided in the present embodiment is deposited
In certain error, it can also guarantee target practice efficiency, processing technology reduces.
Piston cooling nozzle 2 is an integral structure in the present embodiment.As shown in Figure 3 and Figure 4, the piston cooling nozzle 2
Including the first connecting tube 21 and the second connecting tube 22, the tail portion of the first connecting tube 21 is connected with 22 stem of the second connecting tube, and second
Connecting tube 22 is a straight tube, and the tail diameter of the first connecting tube 21 is less than the diameter of the second connecting tube 22, this kind of structure is convenient for cold
But oil is concentrated.Certainly, the piston cooling nozzle 2 can also be split type structure, 21 He of the first connecting tube in other embodiments
Second connecting tube 22 can pass through welded connecting.The first connecting tube 21 is matched with 12 gap of piston cooling nozzle oil circuit in the present embodiment
Connection is closed, since the tail diameter of the first connecting tube 21 is less than the diameter of the second connecting tube 22, this kind, which is arranged, can be realized piston
Cooling nozzles oil circuit 12 designs seam allowance and carries out axially position to piston cooling nozzle 2, and above-mentioned restriction can save in the prior art
The positioning method of plane and two pits guarantees the positioning of piston cooling nozzle 2, additionally it is possible to guarantee 2 target practice efficiency of piston cooling nozzle.Together
When, 12 internal diameter of piston cooling nozzle oil circuit gradually becomes smaller, and also can be improved the target practice efficiency of cooling oil.It should be noted that if
First connecting tube 21 and 12 position portion of piston cooling nozzle oil circuit are longer, and the two can use the assembly method of transition fit,
Assembly and positioning can be taken into account.
For the ease of installing piston cooling nozzle 2, it is interference fitted between the second connecting tube 22 and piston cooling nozzle oil circuit 12
Connection, it is seamless between the second connecting tube 22 and piston cooling nozzle oil circuit 12, it can prevent cooling oil from entering the second connecting tube
Between 22 and piston cooling nozzle oil circuit 12, part cooling oil is caused to waste.
When installation, first piston cooling nozzle 2 is mounted in the piston cooling nozzle oil circuit 12 of engine block 1, is then existed
Installation crankshaft bearing liner and crankshaft, can be realized the installation task to piston cooling nozzle 2 in crankshaft axis hole 13.
As shown in figure 4, the first connecting tube 21 includes spray bar 211 and crosses oil pipe 212, crosses oil pipe 212 and be separately connected oil spout
Pipe 211 and the second connecting tube 22 cross 212 diameter of oil pipe less than 22 diameter of the second connecting tube.Spray bar 211 is conical pipe, oil spout
211 big end of pipe is connect with oil pipe 212 is crossed.It specifically can be the second connecting tube 22 and connected with 212 integral type of oil pipe is crossed, may be used also certainly
To be the second connecting tube 22 and the welded connecting of oil pipe 212 excessively.
Since engine block 1 is larger, 12 length of piston cooling nozzle oil circuit is relatively long, in piston cooling nozzle oil circuit 12
2 length of piston cooling nozzle it is also relatively long, piston cooling nozzle 2 is not easy to be processed, in order to balance purpose easy to process, should
Split type structure can be set into piston cooling nozzle 2, specifically can be and welds the first connecting tube 21 and the second connecting tube 22
It is whole to be connected to become piston cooling nozzle 2.
A kind of engine is additionally provided in the present embodiment, including the engine oil line structure provided in the present embodiment.The hair
Motivation in the design process, does not need the oil feeding line to 2 design specialized of piston cooling nozzle, piston cooling nozzle 2 and crankshaft
Axis hole 13, which is connected to, directly takes cooling oil out of crankshaft axis hole 13, can be realized the light-weight design of engine oil path.
Note that the above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The industry
Technical staff it should be appreciated that the present invention is not limited to the embodiments described above, described in above embodiment and specification
Merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention, the present invention also have various change and
It improves, these changes and improvements all fall within the protetion scope of the claimed invention, and claimed range of the invention is by appended
Claims and its equivalent thereof.
Claims (10)
1. a kind of engine oil line structure, including engine block (1), the engine block (1) is interior to be provided with oil feeding line (11)
With crankshaft axis hole (13), the oil feeding line (11) is connected to crankshaft axis hole (13), which is characterized in that further includes the cooling spray of piston
Mouth (2), described piston cooling nozzle (2) one end are connected to the crankshaft axis hole (13), and the other end is connected to cylinder cylinder holes (14),
Cooling oil successively flows into the oil feeding line, the crankshaft axis hole and the piston cooling nozzle and enters in cylinder cylinder holes (14).
2. engine oil line structure according to claim 1, which is characterized in that be additionally provided in the engine block (1)
Piston cooling nozzle oil circuit (12), the piston cooling nozzle oil circuit (12) respectively with the crankshaft axis hole (13) and the cylinder holes
(14) it is connected to；Piston cooling nozzle (2) setting is in the piston cooling nozzle oil circuit (12), the piston cooling nozzle
The central axes of oil circuit (12) are straight line.
3. engine oil line structure according to claim 2, which is characterized in that the oil spout of the piston cooling nozzle (2)
Mouth is conical opening.
4. engine oil line structure according to claim 2, which is characterized in that the oil spout of the piston cooling nozzle (2)
Mouth is aligned with the piston fuel feed hole being located in the cylinder holes (14).
5. engine oil line structure according to claim 3, which is characterized in that the piston cooling nozzle (2) includes the
One connecting tube (21) and the second connecting tube (22), first connecting tube (21) and second connecting tube (22) connection.
6. engine oil line structure according to claim 5, which is characterized in that first connecting tube (21) and the work
Fill in the connection of cooling nozzles oil circuit (12) clearance fit.
7. engine oil line structure according to claim 6, which is characterized in that second connecting tube (22) and the work
Fill in the connection of cooling nozzles oil circuit (12) interference fit.
8. engine oil line structure according to claim 7, which is characterized in that first connecting tube (21) includes oil spout
It manages (211) and crosses oil pipe (212), cross oil pipe (212) are separately connected the spray bar (211) and second connecting tube
(22), oil pipe (212) diameter of crossing is less than the second connecting tube (22) diameter.
9. engine oil line structure according to claim 8, which is characterized in that the spray bar (211) is conical pipe,
Big end is connect with cross oil pipe (212).
10. a kind of engine, which is characterized in that including the described in any item engine oil line structures of such as claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811525275.1A CN109630253B (en) | 2018-12-13 | 2018-12-13 | Engine oil circuit structure and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811525275.1A CN109630253B (en) | 2018-12-13 | 2018-12-13 | Engine oil circuit structure and engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109630253A true CN109630253A (en) | 2019-04-16 |
| CN109630253B CN109630253B (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811525275.1A Active CN109630253B (en) | 2018-12-13 | 2018-12-13 | Engine oil circuit structure and engine |
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| Country | Link |
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| CN (1) | CN109630253B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281050A (en) * | 2021-05-11 | 2021-08-20 | 华中科技大学 | Pressure oil supply type piston oscillation cooling visual test device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002021558A (en) * | 2000-05-17 | 2002-01-23 | Man Nutzfahrzeuge Ag | Piston cooling system for internal combustion enegine |
| CN101038007A (en) * | 2006-03-14 | 2007-09-19 | 通用汽车环球科技运作公司 | Connecting rod with oil squirter |
| CN101158299A (en) * | 2007-11-07 | 2008-04-09 | 奇瑞汽车有限公司 | Engine cylinder block lubricant oil path |
| CN201277071Y (en) * | 2008-09-11 | 2009-07-22 | 昆明理工大学 | Engine oil nozzle of diesel engine |
| CN201705447U (en) * | 2010-04-28 | 2011-01-12 | 浙江吉利汽车研究院有限公司 | Engine piston cooling system |
| 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 |
-
2018
- 2018-12-13 CN CN201811525275.1A patent/CN109630253B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002021558A (en) * | 2000-05-17 | 2002-01-23 | Man Nutzfahrzeuge Ag | Piston cooling system for internal combustion enegine |
| CN101038007A (en) * | 2006-03-14 | 2007-09-19 | 通用汽车环球科技运作公司 | Connecting rod with oil squirter |
| CN101158299A (en) * | 2007-11-07 | 2008-04-09 | 奇瑞汽车有限公司 | Engine cylinder block lubricant oil path |
| CN201277071Y (en) * | 2008-09-11 | 2009-07-22 | 昆明理工大学 | Engine oil nozzle of diesel engine |
| CN201705447U (en) * | 2010-04-28 | 2011-01-12 | 浙江吉利汽车研究院有限公司 | Engine piston cooling system |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281050A (en) * | 2021-05-11 | 2021-08-20 | 华中科技大学 | Pressure oil supply type piston oscillation cooling visual test device |
| CN113281050B (en) * | 2021-05-11 | 2022-08-02 | 华中科技大学 | Pressure oil supply type piston oscillation cooling visual test device |
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| Publication number | Publication date |
|---|---|
| CN109630253B (en) | 2020-06-02 |
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