CN104033206A - Engine oil radiating structure for internal combustion engine - Google Patents

Engine oil radiating structure for internal combustion engine Download PDF

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Publication number
CN104033206A
CN104033206A CN201410262661.1A CN201410262661A CN104033206A CN 104033206 A CN104033206 A CN 104033206A CN 201410262661 A CN201410262661 A CN 201410262661A CN 104033206 A CN104033206 A CN 104033206A
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CN
China
Prior art keywords
plane
oil
machine oil
engine oil
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.)
Pending
Application number
CN201410262661.1A
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Chinese (zh)
Inventor
殷贵良
郑小兵
王剑平
闵渝维
刁来春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Longxin Engine Co Ltd
Original Assignee
Chongqing Longxin Engine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Longxin Engine Co Ltd filed Critical Chongqing Longxin Engine Co Ltd
Priority to CN201410262661.1A priority Critical patent/CN104033206A/en
Publication of CN104033206A publication Critical patent/CN104033206A/en
Pending legal-status Critical Current

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  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

An engine oil radiating structure for an internal combustion engine comprises a crankcase cover and an engine oil radiating plate. The crankcase cover comprises a first lateral side. The engine oil radiating plate comprises a first plane and a second plate which are opposite. The first plane is provided with engine oil cooling oil ducts. The second plane is provided with radiating fins. The first plane is fixedly matched with the first lateral side. The engine oil radiating structure has the advantages that the first lateral side matched with the engine oil radiating plate is added to the crankcase cover, the first plane and the second plane of the engine oil radiating plate are respectively provided with the engine oil cooling oil ducts and the radiating fins, the engine oil cooling oil ducts are all arranged in the engine oil radiating plate, die design and part machining are simplified, radiating area of the engine oil radiating structure is increased, the engine oil cooled by the radiating structure can lubricate multiple friction pairs, and the cooling structure is prevented from being subjected to the thermal radiation of a cylinder.

Description

A kind of I. C. engine oil radiating structure
Technical field
The invention belongs to field of internal combustion engine, be specifically related to a kind of I. C. engine oil radiating structure.
Background technique
Internal-combustion engine is a kind of dynamic power machine, and it is by after liquid or gaseous fuel are mixed with air, directly input the high compression combustion chamber burning of cylinder interior, and the heat energy of being emitted is directly converted to the heat engine of power.In internal-combustion engine, because the parts such as cylinder liner, cylinder head, piston and valve directly contact with high-temperature fuel gas and are subject to strong heating, mechanical temperature is very high, and this not only can cause parts strength decreased, and may produce very large thermal stress, and parts are damaged.Therefore,, in order to guarantee that internal-combustion engine is normal and to turn round reliably, must to these high temperature parts, carry out cooling by cooling system.
In the patent documentation that is CN102003263A at publication number, a kind of cooling unit of power unit is disclosed, this power unit has crankcase and cylinder, described cylinder has the cylinder sleeve that can keep piston and the cylinder cooling mechanism that covers the periphery of this cylinder sleeve with being free to slide, wherein this cooling unit has oil cooler, and this oil cooler has: the oil circuit passing through for the oil being fed into as the motor of power unit; Oil by this oil circuit is carried out to cooling cooler cooling mechanism, and this oil cooler extends upward in cylinder axis side, and forms side tabular that is positioned at cylinder block.
But the present inventor finds through research, in aforementioned existing patent documentation, because radiating structure is arranged on right crankcase, thereby can have following shortcoming: 1, box mold design difficulty is large, mould structure is complicated, casing machine adds complexity; 2, radiating structure position, near cylinder body, can be subject to the thermal radiation of cylinder block fin; 3, this radiating structure efficiently radiates heat area is less, not obvious to the cooling effect of machine oil; 4, through the cooling machine oil of this radiating structure, can only to certain friction pair, be lubricated separately, have larger narrow limitation.
Summary of the invention
The technical problem existing for prior art, the invention provides a kind of novel I. C. engine oil radiating structure, this internal combustion engine machine oil radiating structure has Design of Dies and part processing is simple, radiating structure can not be subject to the thermal radiation of cylinder body, can effectively increase machine oil radiating structure heat diffusion area, and through the cooling machine oil of this radiating structure, the effect that can be lubricated a plurality of friction pairs.
To achieve these goals, the present invention adopts following technological scheme:
A kind of I. C. engine oil radiating structure, comprise crankcase cover and machine oil Heat sink, described crankcase cover comprises the first side of setting, described machine oil Heat sink comprises the first plane and the second plane being oppositely arranged, described the first plane is provided with machine oil cooling oil duct, described the second plane is provided with radiating fin, the first side secure fit of the first plane of described machine oil Heat sink and described crankcase cover.
Than prior art, in I. C. engine oil radiating structure provided by the invention, comprise crankcase cover and machine oil Heat sink, on described crankcase cover, machine adds first side coordinating with described machine oil Heat sink, in the first and second planes of described machine oil Heat sink, be respectively equipped with machine oil cooling oil duct and radiating fin, described machine oil cooling oil duct is all arranged on this machine oil Heat sink, thereby not only simplified the processing of Design of Dies and part, increased machine oil radiating structure heat diffusion area, and through the cooling machine oil of this radiating structure, can be lubricated a plurality of friction pairs, meanwhile, the first side secure fit of the first plane of described machine oil Heat sink and described crankcase cover, has avoided radiating structure itself to be subject to the thermal radiation of cylinder body.
Further, described machine oil cooling oil duct is in series by a plurality of U-shaped cooling oil ducts, thereby can play radiating effect better to machine oil.
Further, the radiating fin in described the second plane is parallel to cooling airflow to setting, thereby can effectively increase available heat area and the radiating effect of described machine oil Heat sink.
Further, described machine oil Heat sink is provided with the first mounting hole, the first side of described crankcase cover is provided with the second mounting hole, and described the first mounting hole and the second mounting hole are bolted to connection, thereby can effectively be fixedly connected with described machine oil Heat sink and crankcase cover.
Further, described the first side and and the first plane of described the first side secure fit between be provided with binder, thereby can further increase the reliability that described machine oil Heat sink is connected with crankcase cover.
Adopt I. C. engine oil radiating structure provided by the invention, there is following beneficial effect: 1, box mold design difficulty is little, mould structure simple, casing machine adds simplification; 2, the first side secure fit of the first plane of machine oil Heat sink and crankcase cover, avoids radiating structure itself to be subject to the thermal radiation of cylinder body; 3, this radiating structure efficiently radiates heat area is larger, obvious to the cooling effect of machine oil; 4, through the cooling machine oil of this radiating structure, can be lubricated a plurality of friction pairs, application area is larger.
Accompanying drawing explanation
Fig. 1 is the I. C. engine oil radiating structure schematic diagram that the embodiment of the present invention provides.
Fig. 2 is the main TV structure schematic diagram of machine oil Heat sink that the embodiment of the present invention provides.
Fig. 3 is the machine oil Heat sink backsight structural representation that the embodiment of the present invention provides.
Fig. 4 is the crankcase cover structure schematic diagram that the embodiment of the present invention provides.
In figure, 1, crankcase cover; 11, the first machine oil cooling oil duct; 12, the 3rd machine oil cooling oil duct; 13, the 4th machine oil cooling oil duct; 2, machine oil Heat sink; 20, the first plane; The 20 ' second plane; 21, the second machine oil cooling oil duct; 211, the second machine oil cooling oil duct first end; 211, second machine oil cooling oil duct the second end; 22, radiating fin; 23, the first mounting hole.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Please refer to shown in Fig. 1-3, a kind of I. C. engine oil radiating structure, comprise crankcase cover 1 and machine oil Heat sink 2, described crankcase cover 1 comprises the first side (not shown) of setting, described machine oil Heat sink 2 comprises the first plane 20 and the second plane 20 ' being oppositely arranged, described the first plane 20 is provided with machine oil cooling oil duct 21, and described the second plane 20 ' is provided with radiating fin 22, the first plane 20 of described machine oil Heat sink 2 and the first side secure fit of described crankcase cover 1.
Than prior art, in I. C. engine oil radiating structure provided by the invention, comprise crankcase cover and machine oil Heat sink, on described crankcase cover, machine adds first side coordinating with described machine oil Heat sink, in the first and second planes of described machine oil Heat sink, be respectively equipped with machine oil cooling oil duct and radiating fin, described machine oil cooling oil duct is all arranged on this machine oil Heat sink, thereby not only simplified the processing of Design of Dies and part, increased machine oil radiating structure heat diffusion area, and through the cooling machine oil of this radiating structure, can be lubricated a plurality of friction pairs, meanwhile, the first side secure fit of the first plane of described machine oil Heat sink and described crankcase cover, has avoided radiating structure itself to be subject to the thermal radiation of cylinder body.
As specific embodiment, please refer to shown in Fig. 2, described machine oil cooling oil duct 21 is in series by a plurality of U-shaped cooling oil ducts.Particularly, described machine oil cooling oil duct 21 includes a plurality of U-shaped cooling oil ducts, and the two ends of each U-shaped cooling oil duct are linked in sequence, and forms the described machine oil cooling oil duct 21 being in series by a plurality of U-shaped cooling oil ducts.Certainly, the structure of the cooling oil duct of machine oil described in the present invention 21 is not limited to this, those skilled in the art are on the basis of aforementioned specific embodiment, and the machine oil cooling oil duct that can also adopt other structure to form, as long as can play radiating effect well to machine oil.
As specific embodiment, please refer to shown in Fig. 3, the radiating fin 22 in described the second plane 20 ' is parallel to cooling airflow to setting.Particularly, in the second plane 20 ' of described machine oil Heat sink 2, be provided with radiating fin 22, the arranged direction of this radiating fin 22 is parallel to the direction that cooling air passes through; And as a kind of mode of execution, described radiating fin 22 comprises the laminar body that arrange a plurality of spaces, on described laminar body, scribble one deck Heat Conduction Material, thereby the heat that can make machine oil send is more effective is transmitted on laminar body, then is dispersed in ambient air through laminar body.In the present embodiment, in described the second plane 20 ', be provided be parallel to cooling airflow to radiating fin 22, thereby effectively increased available heat area and the radiating effect of described machine oil Heat sink 2.
As specific embodiment, please refer to shown in Fig. 3, described machine oil Heat sink 2 is provided with the first mounting hole 23, and the first side of described crankcase cover 1 is provided with the second mounting hole (not shown), and described the first mounting hole 23 and the second mounting hole are bolted to connection.Particularly, on described machine oil Heat sink 2, be provided with four the first mounting holes 23, on the first side of described crankcase cover 1, be provided with accordingly four the second mounting holes, then in described four the first mounting holes 23 and four the second mounting holes, wear bolt, thus can be by described the first plane 20 and the first side secure fit, and then described machine oil Heat sink 2 firmly can be connected with crankcase cover 1.Certainly, being fixedly not limited to of the Heat sink 2 of machine oil described in the present invention and crankcase cover 1, those skilled in the art, on the basis of aforementioned specific embodiment, can also adopt alternate manner such as clamping etc., as long as can effectively be fixedly connected with.
As preferred embodiment, described the first side and and the first plane 20 of described the first side secure fit between be provided with binder.Particularly, the type of described binder can be selected thermosetting, heat molten type, room temperature curing type, pressure sensitive etc.In the present embodiment, between described the first plane 20 and the first side, binder is set, can further increases the soundness that described machine oil Heat sink 2 is connected with crankcase cover 1.
Please refer to shown in Fig. 2 and Fig. 4, in I. C. engine oil heat radiation structure provided by the invention, the cooling structural principle of its engine motor oil is as follows: during engine operation, first the machine oil that oil pump pumps enter the first machine oil cooling oil duct 11 from main oil gallery, then by described the first machine oil cooling oil duct 11, enter the second machine oil cooling oil duct first end 211 of described machine oil Heat sink 2, enter thus described the second machine oil cold oil 21, through the U-shaped cooling oil duct in described the second machine oil cold oil 21, arriving the second machine oil cooling oil duct first end 212 shunts, finally enter the cooling lamella clutch of the 3rd machine oil cooling oil duct 12, crank-connecting rod parts, on piston and the 4th machine oil cooling oil duct 13, arrive the cooling heat engine part of cylinder head, wherein, described the first machine oil cooling oil duct 11, the 3rd machine oil cooling oil duct 12 and the 4th machine oil cooling oil duct 13 are the existing structure that arranges on described crankcase cover 1.Thus, adopt I. C. engine oil provided by the invention heat radiation structure, also can carry out described lamella clutch, crank-connecting rod parts, piston and heat engine coolingly, effectively reduce the temperature of described parts.
Finally explanation is, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technological scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.

Claims (5)

1. an I. C. engine oil radiating structure, it is characterized in that, comprise crankcase cover and machine oil Heat sink, described crankcase cover comprises the first side of setting, described machine oil Heat sink comprises the first plane and the second plane being oppositely arranged, described the first plane is provided with machine oil cooling oil duct, and described the second plane is provided with radiating fin, the first side secure fit of the first plane of described machine oil Heat sink and described crankcase cover.
2. I. C. engine oil radiating structure as claimed in claim 1, is characterized in that, described machine oil cooling oil duct is in series by a plurality of U-shaped cooling oil ducts.
3. I. C. engine oil radiating structure as claimed in claim 1, is characterized in that, the radiating fin in described the second plane is parallel to cooling airflow to setting.
4. the I. C. engine oil radiating structure as described in any one in claim 1-3, it is characterized in that, described machine oil Heat sink is provided with the first mounting hole, and the first side of described crankcase cover is provided with the second mounting hole, and described the first mounting hole and the second mounting hole are bolted to connection.
5. I. C. engine oil radiating structure as claimed in claim 4, is characterized in that, described the first side and and the first plane of described the first side secure fit between be provided with binder.
CN201410262661.1A 2014-06-13 2014-06-13 Engine oil radiating structure for internal combustion engine Pending CN104033206A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410262661.1A CN104033206A (en) 2014-06-13 2014-06-13 Engine oil radiating structure for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410262661.1A CN104033206A (en) 2014-06-13 2014-06-13 Engine oil radiating structure for internal combustion engine

Publications (1)

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CN104033206A true CN104033206A (en) 2014-09-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194380A (en) * 2016-08-30 2016-12-07 重庆隆鑫发动机有限公司 Internal-combustion engine oil cooling system and internal combustion engine thereof
CN106194319A (en) * 2016-08-30 2016-12-07 重庆隆鑫发动机有限公司 Engine motor oil cooling unit and electromotor thereof
CN106194318A (en) * 2016-08-30 2016-12-07 重庆隆鑫发动机有限公司 Cylinder head oil cooled system and electromotor thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040132359A1 (en) * 2002-10-29 2004-07-08 Yoshinobu Tanaka Oil cooler and small watercraft
US20060219208A1 (en) * 2005-03-31 2006-10-05 Mitsugi Chonan Oil cooling system of an air-cooled engine
CN101852145A (en) * 2002-07-11 2010-10-06 科勒公司 The crankcase cover of band oil circuit
CN204002976U (en) * 2014-06-13 2014-12-10 重庆隆鑫发动机有限公司 Engine motor oil radiating structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101852145A (en) * 2002-07-11 2010-10-06 科勒公司 The crankcase cover of band oil circuit
US20040132359A1 (en) * 2002-10-29 2004-07-08 Yoshinobu Tanaka Oil cooler and small watercraft
US20060219208A1 (en) * 2005-03-31 2006-10-05 Mitsugi Chonan Oil cooling system of an air-cooled engine
CN204002976U (en) * 2014-06-13 2014-12-10 重庆隆鑫发动机有限公司 Engine motor oil radiating structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194380A (en) * 2016-08-30 2016-12-07 重庆隆鑫发动机有限公司 Internal-combustion engine oil cooling system and internal combustion engine thereof
CN106194319A (en) * 2016-08-30 2016-12-07 重庆隆鑫发动机有限公司 Engine motor oil cooling unit and electromotor thereof
CN106194318A (en) * 2016-08-30 2016-12-07 重庆隆鑫发动机有限公司 Cylinder head oil cooled system and electromotor thereof

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Application publication date: 20140910