CN107939505A - A kind of oil line arrangement structure of engine piston cooling nozzle - Google Patents
A kind of oil line arrangement structure of engine piston cooling nozzle Download PDFInfo
- Publication number
- CN107939505A CN107939505A CN201711038645.4A CN201711038645A CN107939505A CN 107939505 A CN107939505 A CN 107939505A CN 201711038645 A CN201711038645 A CN 201711038645A CN 107939505 A CN107939505 A CN 107939505A
- Authority
- CN
- China
- Prior art keywords
- oil
- transverse direction
- oil duct
- input channel
- cylinder body
- 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.)
- Pending
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Classifications
-
- 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
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
-
- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
Abstract
The present invention relates to a kind of oil line arrangement structure of engine piston cooling nozzle, including cylinder body oil input channel, air inlet side transverse direction main oil gallery, cylinder cap oil input channel, the exhaust side transverse direction main oil gallery being arranged in cylinder body, it is characterized in that：Further include the front end oil duct being arranged in front cover and the solenoid valve mounting hole being located on the oil duct of front end；The upper end of cylinder body oil input channel is connected with air inlet side transverse direction main oil gallery, and the lower end of cylinder cap oil input channel is connected with the front end of air inlet side transverse direction main oil gallery；Cylinder cap oil input channel is connected with the front end of exhaust side transverse direction main oil gallery by front end oil duct；Exhaust side transverse direction main oil gallery is equipped with multiple branch's oil ducts, and piston cooling nozzle assembly is respectively connected with each branch's oil duct.It can simplify housing structure, simplify cylinder casting, mechanical processing technique；The production efficiency and qualification rate of cylinder body can be effectively improved, reduces cost；It while cylinder body production efficiency and qualification rate is ensured, can ensure the production efficiency and processing technology of front cover.
Description
Technical field
The present invention relates to automobile engine, and in particular to a kind of oil line arrangement structure of engine piston cooling nozzle.
Background technology
Automobile engine cylinder-body is the core component of engine, is whole engine assembly " parent ".The top of cylinder body
Combustion chamber is cooperatively formed with cylinder cap, lower part forms cavity and provides space for toggle.General casting adds in cylinder body
Work has oil circuit, for lubricating each part for needing to lubricate.With new technologies such as turbocharging, in-cylinder direct-jet, high compression ratios
Extensive use, causes the thermic load that the reinforcing degree of engine is more and more high, and piston is born also more and more big；In order to reduce hair
Motivation oil consumption, reduces the thermic load of piston, ensures the reliability of pistons work, piston cooling nozzle is all used on big multiple-motor
Technology, piston cooling nozzle cool down piston base by way of spraying machine oil.Engine is in different live loads
Under, by carrying out opening and closing control to piston cooling nozzle, engine is worked in preferable fuel oil consumption region, and then
Playing reduces the purpose of fuel consumption.Traditional piston cooling nozzle oil circuit is typically located in cylinder body, with the lubrication in cylinder body
Oil circuit is connected；Since the structure of cylinder body in itself is complex, the arrangement of oil circuit is further added by, causes cylinder body complex process, easily production
Raw casting flaw, qualification rate are low；Cost is higher at the same time.
" a kind of engine piston cooling system " disclosed in CN205744105U, includes Oil gallery passage, secondary oil passageway
With connection oil passageway, some piston cooling nozzle auxiliary connection oil passageways, set machine oil to lead in the inlet of secondary oil passageway
Road blocks, the connection of partition connection oil passageway and secondary oil passageway, the inlet peace of secondary oil passageway on engine cylinder body
Solenoid valve control module is filled, its inlet and outlet is respectively positioned at the both sides that oil passageway blocks, for controlling the break-make of oil circuit, electricity
Sub-control unit ECU connection engines and solenoid valve control module, solenoid valve control is controlled according to the load condition of engine
The break-make of module, so that control secondary oil passageway whether to be capable of providing pressure machine oil carries out Oil injection cooling to piston；Being capable of basis
Different Work Condition of Engine realizes that the machine oil to the accurate cooling of piston and temperature control, reduced in the case of part load engine disappears
Consumption so that engine is compacter, and weight is lighter, improves the fuel consumption index of whole engine and vehicle.
CN102678250A discloses " a kind of piston cooling device of engine ", living under Different Work Condition of Engine for solving
The cooling problem of plug, it includes control valve, cylinder block main oil gallery, cylinder block pair oil duct, connection oil duct, cooling nozzles oil duct and work
Assembly of cooling jet is filled in, the control valve controls it to be unidirectionally opened and closed by induction oil temperature, and control valve is installed on cylinder block
The end of oil duct is connected between main oil gallery and cylinder block pair oil duct, the cylinder block main oil gallery connects with engine lubrication system element
Logical, the cylinder block pair oil duct is connected by cooling nozzles oil duct with piston cooling nozzle assembly；Cooled down by control valve and piston
The pressure limiting valve co- controlling oil spout action of injector assembly, it is ensured that for engine under different operating modes, piston portion can reach optimal
Cooling effect.
Cooling oil path in above-mentioned two documents is arranged in cylinder interior, causes housing structure complicated, production and processing is tired
Difficulty, therefore the oil line arrangement structure of existing engine piston cooling nozzle need to be improved.
The content of the invention
The object of the present invention is to provide a kind of oil line arrangement structure of engine piston cooling nozzle, it can simplify cylinder body
Structure, simplifies cylinder casting, mechanical processing technique；The production efficiency and qualification rate of cylinder body can be effectively improved, reduces cost；Can
While cylinder body production efficiency and qualification rate is ensured, ensure the production efficiency and processing technology of front cover.
A kind of oil line arrangement structure of engine piston cooling nozzle of the present invention, including the cylinder being arranged in cylinder body
Body oil input channel, air inlet side transverse direction main oil gallery, cylinder cap oil input channel, exhaust side transverse direction main oil gallery, it is characterized in that：Further include before being arranged in
Front end oil duct in the cover and the solenoid valve mounting hole being located on the oil duct of front end；The cylinder body oil input channel, cylinder cap oil input channel are perpendicular
Cylinder body air inlet side directly is arranged in, the upper end of the cylinder body oil input channel is connected with air inlet side transverse direction main oil gallery, the cylinder cap oil input channel
Lower end be connected with the front end of air inlet side transverse direction main oil gallery；The front end of the cylinder cap oil input channel and exhaust side transverse direction main oil gallery
Connected by the front end oil duct in the front cover；The exhaust side transverse direction main oil gallery is equipped with multiple branch's oil ducts, Mei Gesuo
State and piston cooling nozzle assembly is respectively connected with branch's oil duct.
Further, the air inlet side that the front end oil duct includes long oil duct, front end is connected with the left part of the long oil duct connects
The row that short oil road that oil canal, left end are connected with the right part of the long oil duct, rear end are connected with the right part in the short oil road
Gas side connects oil duct；The rear end of the air inlet side connection oil duct is connected with the cylinder cap oil input channel, and the exhaust side connects oil duct
Rear end it is corresponding with the front end of the exhaust side transverse direction main oil gallery connection.
Further, the solenoid valve mounting hole is located at the connecting portion that the short oil road connects oil duct with exhaust side, and institute
State to coordinate in solenoid valve mounting hole and solenoid valve is installed.
Further, the cylinder body front end is equipped with front cover connection oil duct, the rearward end of front cover connection oil duct and institute
State that cylinder cap oil input channel, which communicates, the rear end of front end and the air inlet side connection oil duct is correspondings connects.
Further, the lower end of the cylinder cap oil input channel and the front end of air inlet side transverse direction main oil gallery pass through cylinder body front end oil duct
Connection, and the cylinder body front end oil duct is respectively perpendicular to the air inlet side transverse direction main oil gallery and cylinder cap oil input channel.
Further, the air inlet side transverse direction main oil gallery is equipped with the feedback oil duct being connected with lubricating oil pump.
The beneficial technique effect of the present invention：
Since front end oil duct and solenoid valve mounting hole are arranged in front cover, housing structure is simplified, simplifies cylinder body
Casting, mechanical processing technique；The production efficiency and qualification rate of cylinder body are effectively raised, reduces cost；Due to solenoid valve mounting hole
The junction that short oil road connects oil duct with exhaust side is arranged in, while cylinder body production efficiency and qualification rate is ensured, ensure that
The production efficiency and processing technology of front cover.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the arrangement schematic diagram of cylinder body internal oil channel；
Fig. 3 is the structure diagram of the front end oil duct and solenoid valve mounting hole in front cover.
In figure：11- cylinder body oil input channels, 12- air inlet side transverse direction main oil gallerys, 13- feedback oil ducts；14- cylinder cap oil input channels, 15-
Cylinder body front end oil duct, 16- front covers connection oil duct, 17- exhaust side transverse direction main oil gallerys, 18- branches oil duct, the cooling spray of 19- pistons
Nozzle assembly；
21- long oil ducts, 22- air inlet sides connection oil duct, 23- short oils road, 24- exhaust sides connection oil duct, the installation of 25- solenoid valves
Hole, 26- solenoid valves.
Embodiment
Elaborate below in conjunction with drawings and examples to the present invention.
Referring to a kind of oil line arrangement structure of engine piston cooling nozzle shown in Fig. 1 to Fig. 3, including it is arranged in cylinder body
Interior cylinder body oil input channel 11, air inlet side transverse direction main oil gallery 12, cylinder cap oil input channel 14, exhaust side transverse direction main oil gallery 17, it is characterized in that：
Further include the front end oil duct being arranged in front cover and the solenoid valve mounting hole 25 being located on the oil duct of front end；The cylinder body oil input channel
11st, cylinder cap oil input channel 14 is arranged vertically at cylinder body air inlet side, the horizontal main oil of the upper end of the cylinder body oil input channel 11 and air inlet side
Road 12 connects, and the lower end of the cylinder cap oil input channel 14 is connected with the front end of air inlet side transverse direction main oil gallery 12；The cylinder cap oil inlet
Road 14 is connected with the front end of exhaust side transverse direction main oil gallery 17 by the front end oil duct in the front cover；The exhaust side is horizontal
Main oil gallery 17 is equipped with multiple branch's oil ducts 18, and piston cooling nozzle assembly 19 is respectively connected with each branch's oil duct 18.
Cylinder body oil input channel 11, air inlet side transverse direction main oil gallery 12, cylinder cap oil input channel 14 are arranged in the air inlet side of cylinder body；The horizontal main oil of exhaust side
Road 17, branch's oil duct 18, piston cooling nozzle assembly 19 are arranged in the exhaust side of cylinder body；Front end oil duct and solenoid valve mounting hole 25
It is arranged in the front cover of engine.Lubricating oil by cylinder body oil input channel 11 flow into air inlet side transverse direction main oil gallery 12 enter cylinder cap into
Oil duct 14, then the front end oil duct in front cover is entered by cylinder cap oil input channel 14, pass through front end oil duct and solenoid valve mounting hole 25
Into in the exhaust side transverse direction main oil gallery 17 of cylinder body.Relative to existing arrangement, by front end oil duct and solenoid valve mounting hole 25
It is arranged in engine front cover lid, eliminates the transfer oil circuit design of cylinder body head end complex, housing structure can be simplified so that cylinder
Body casting, mechanical processing technique are simple, can effectively improve the production efficiency and qualification rate of cylinder body, reduce cost.It is simultaneously as preceding
The structure of the cover in itself is simple, and the processing technology of front cover can equally be ensured by increasing front end oil duct and solenoid valve mounting hole.
Front end oil duct and solenoid valve mounting hole in front cover are existed by machine add-on type, front end oil duct and solenoid valve mounting hole
Position in front cover according to specific circumstances depending on.
The air inlet side connection oil that the front end oil duct includes long oil duct 21, front end is connected with the left part of the long oil duct 21
Short oil road 23, the rear end that road 22, left end are connected with the right part of the long oil duct 21 are connected with the right part in the short oil road 23
Exhaust side connection oil duct 24；The rear end of the air inlet side connection oil duct 22 is connected with the cylinder cap oil input channel 14, the exhaust
The rear end connection corresponding with the front end of the exhaust side transverse direction main oil gallery 17 of side connection oil duct 24.
The solenoid valve mounting hole 25 is located at the connecting portion that the short oil road 23 connects oil duct 24 with exhaust side, and described
Coordinate in solenoid valve mounting hole 25 and solenoid valve 26 is installed.Engine ECU is according to different operating condition control solenoid valves 25
Open and close, so that the injection of control piston assembly of cooling jet 17, reaches cooling piston, reduces the fuel consumption of engine
Purpose.
The cylinder body front end is equipped with front cover connection oil duct 16, the rearward end of front cover connection oil duct 16 and the cylinder
Lid oil input channel 14 communicates, front end connection corresponding with the rear end of air inlet side connection oil duct 22.Air inlet side connects 22 entrance of oil duct
, outlet opposite with the outlet of front cover connection oil duct 16 is communicated with long oil duct 21, and exhaust side connects the entrance and short oil of oil duct 24
Road 23 communicates, it is opposite with the entrance of exhaust side transverse direction main oil gallery 17 to export.Front cover realizes whole oil circuit after coordinating with cylinder body
Connection.
The lower end of the cylinder cap oil input channel 14 passes through cylinder body front end oil duct 15 with the front end of air inlet side transverse direction main oil gallery 12
Connection, and the cylinder body front end oil duct 15 is respectively perpendicular to the air inlet side transverse direction main oil gallery 12 and cylinder cap oil input channel 14.Before cylinder body
End oil duct 15 is respectively perpendicular to the air inlet side transverse direction main oil gallery 12 and cylinder cap oil input channel 14, easy to process.
The air inlet side transverse direction main oil gallery 12 is equipped with the feedback oil duct 13 being connected with lubricating oil pump.
The specific engine of the several evidences of the bar of branch's oil duct 18 is arranged in cylinder body, ensure the bar number of branch oil duct 16 with
The cylinder number of engine is identical.
The course of work：Lubricating oil enters air inlet side transverse direction main oil gallery 12 from cylinder body oil input channel 11, then horizontal by air inlet side
Main oil gallery 12 enters cylinder cap oil input channel 14, and then connecting oil duct 16 by the front cover on cylinder cap oil input channel 14 enters in front cover
Air inlet side connection oil duct 22, the lubricating oil for flowing into air inlet side connection oil duct 22 enters short oil road 23 by long oil duct 21, due to
The right part in short oil road 23 is connected with the solenoid valve 26 in solenoid valve mounting hole 25, after lubricating oil enters solenoid valve 26, engine
ECU controls the opening and closing of solenoid valve 26 according to different operating conditions.During open mode, lubricating oil is connected by exhaust side
Oil duct 24 enters the exhaust side transverse direction main oil gallery 17 in cylinder body, then respectively enters piston cooling nozzle by each branch's oil duct 18
Assembly 19, realizes the cooling to piston.
Claims (6)
1. a kind of oil line arrangement structure of engine piston cooling nozzle, including be arranged in cylinder body cylinder body oil input channel (11),
Air inlet side transverse direction main oil gallery (12), cylinder cap oil input channel (14), exhaust side transverse direction main oil gallery (17), it is characterized in that：Further include arrangement
Front end oil duct in front cover and the solenoid valve mounting hole (25) being located on the oil duct of front end；The cylinder body oil input channel (11), cylinder
Lid oil input channel (14) is arranged vertically at cylinder body air inlet side, upper end and the air inlet side transverse direction main oil gallery of the cylinder body oil input channel (11)
(12) connect, the lower end of the cylinder cap oil input channel (14) is connected with the front end of air inlet side transverse direction main oil gallery (12)；The cylinder cap
Oil input channel (14) is connected with the front end of exhaust side transverse direction main oil gallery (17) by the front end oil duct in the front cover；The row
Gas side transverse direction main oil gallery (17) is equipped with multiple branch's oil ducts (18), and it is cold to be respectively connected with piston on each branch's oil duct (18)
But injector assembly (19).
2. the oil line arrangement structure of engine piston cooling nozzle according to claim 1, it is characterized in that：The front end oil
Road include the air inlet side that long oil duct (21), front end be connecteds with the left part of the long oil duct (21) connect oil duct (22), left end and
The exhaust that short oil road (23), the rear end of the right part connection of the long oil duct (21) are connected with the right part of the short oil road (23)
Side connection oil duct (24)；The rear end of the air inlet side connection oil duct (22) is connected with the cylinder cap oil input channel (14), the exhaust
The rear end connection corresponding with the front end of the exhaust side transverse direction main oil gallery (17) of side connection oil duct (24).
3. the oil line arrangement structure of engine piston cooling nozzle according to claim 2, it is characterized in that：The solenoid valve
Mounting hole (25) is located at the connecting portion that the short oil road (23) connects oil duct (24) with exhaust side, and the solenoid valve mounting hole
(25) coordinate in and solenoid valve (26) is installed.
4. the oil line arrangement structure of engine piston cooling nozzle according to claim 2, it is characterized in that：Before the cylinder body
End is equipped with front cover connection oil duct (16), the rearward end and cylinder cap oil input channel (14) phase of front cover connection oil duct (16)
The connection corresponding with the rear end of air inlet side connection oil duct (22) of logical, front end.
5. the oil line arrangement structure of engine piston cooling nozzle according to claim 1, it is characterized in that：The cylinder cap into
The lower end of oil duct (14) is connected with the front end of air inlet side transverse direction main oil gallery (12) by cylinder body front end oil duct (15), and the cylinder body
Front end oil duct (15) is respectively perpendicular to the air inlet side transverse direction main oil gallery (12) and cylinder cap oil input channel (14).
6. the oil line arrangement structure of engine piston cooling nozzle according to any one of claims 1 to 5, it is characterized in that：Institute
State air inlet side transverse direction main oil gallery (12) and be equipped with the feedback oil duct (13) being connected with lubricating oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711038645.4A CN107939505A (en) | 2017-10-29 | 2017-10-29 | A kind of oil line arrangement structure of engine piston cooling nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711038645.4A CN107939505A (en) | 2017-10-29 | 2017-10-29 | A kind of oil line arrangement structure of engine piston cooling nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107939505A true CN107939505A (en) | 2018-04-20 |
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ID=61935832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711038645.4A Pending CN107939505A (en) | 2017-10-29 | 2017-10-29 | A kind of oil line arrangement structure of engine piston cooling nozzle |
Country Status (1)
| Country | Link |
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| CN (1) | CN107939505A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542233A (en) * | 2022-02-21 | 2022-05-27 | 重庆长安汽车股份有限公司 | Low-flow-resistance engine cylinder body lubricating oil channel arrangement structure |
| CN114542233B (en) * | 2022-02-21 | 2024-05-14 | 重庆长安汽车股份有限公司 | Low-flow-resistance engine cylinder body lubricating oil duct arrangement structure |
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|---|---|---|---|---|
| JP2006029127A (en) * | 2004-07-13 | 2006-02-02 | Toyota Motor Corp | Piston temperature control device |
| CN203022839U (en) * | 2012-12-24 | 2013-06-26 | 柳州五菱柳机动力有限公司 | Engine oil pump and timing chain box assembly oil circuit structure of mini-automobile engine |
| CN103670585A (en) * | 2012-09-20 | 2014-03-26 | 铃木株式会社 | Oiling structure for engine |
| CN204060840U (en) * | 2014-06-17 | 2014-12-31 | 上海汽车集团股份有限公司 | Engine lubrication system |
| CN204677273U (en) * | 2015-04-23 | 2015-09-30 | 宁波吉利罗佑发动机零部件有限公司 | A kind of electric-controlled type piston cooling device |
| CN106089351A (en) * | 2016-08-19 | 2016-11-09 | 安徽航瑞航空动力装备有限公司 | A kind of aviation piston engines lubricant passage way |
| CN106321274A (en) * | 2016-08-30 | 2017-01-11 | 重庆长安汽车股份有限公司 | Cylinder cover oil path structure, cylinder cover and engine |
-
2017
- 2017-10-29 CN CN201711038645.4A patent/CN107939505A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006029127A (en) * | 2004-07-13 | 2006-02-02 | Toyota Motor Corp | Piston temperature control device |
| CN103670585A (en) * | 2012-09-20 | 2014-03-26 | 铃木株式会社 | Oiling structure for engine |
| CN203022839U (en) * | 2012-12-24 | 2013-06-26 | 柳州五菱柳机动力有限公司 | Engine oil pump and timing chain box assembly oil circuit structure of mini-automobile engine |
| CN204060840U (en) * | 2014-06-17 | 2014-12-31 | 上海汽车集团股份有限公司 | Engine lubrication system |
| CN204677273U (en) * | 2015-04-23 | 2015-09-30 | 宁波吉利罗佑发动机零部件有限公司 | A kind of electric-controlled type piston cooling device |
| CN106089351A (en) * | 2016-08-19 | 2016-11-09 | 安徽航瑞航空动力装备有限公司 | A kind of aviation piston engines lubricant passage way |
| CN106321274A (en) * | 2016-08-30 | 2017-01-11 | 重庆长安汽车股份有限公司 | Cylinder cover oil path structure, cylinder cover and engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542233A (en) * | 2022-02-21 | 2022-05-27 | 重庆长安汽车股份有限公司 | Low-flow-resistance engine cylinder body lubricating oil channel arrangement structure |
| CN114542233B (en) * | 2022-02-21 | 2024-05-14 | 重庆长安汽车股份有限公司 | Low-flow-resistance engine cylinder body lubricating oil duct arrangement structure |
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Application publication date: 20180420 |
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