CN104533652B - Oil cooling type diesel engine - Google Patents
Oil cooling type diesel engine Download PDFInfo
- Publication number
- CN104533652B CN104533652B CN201510027474.XA CN201510027474A CN104533652B CN 104533652 B CN104533652 B CN 104533652B CN 201510027474 A CN201510027474 A CN 201510027474A CN 104533652 B CN104533652 B CN 104533652B
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- Prior art keywords
- oil
- cooling
- diesel engine
- type diesel
- cylinder head
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Classifications
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- 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
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/10—Cylinders; Cylinder heads having cooling means for liquid cooling
- F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
-
- 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
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to an oil cooling type diesel engine. The oil cooling type diesel engine comprises an engine body, a cylinder sleeve and a cylinder head. The engine body is provided with an oil storing cavity. The periphery of the cylinder sleeve is provided with an oil cooling sleeve. A cooling oil passage way A and a cooling oil pump are arranged between the outlet end of the oil storing cavity and the inlet end of the oil cooling sleeve. The cylinder head is provided with a cooling oil passage way B. The inlet end of the cooling oil passage way B is connected with the outlet end of the oil cooling sleeve. The outlet end of the cooling oil passage way B is connected with the inlet end of an external oil pipe. The outlet end of the oil pipe is connected with the inlet end of the oil storing cavity. The purpose of the oil cooling type diesel engine is to provide an oil cooling type diesel engine with the simple structure and good cooling effect. The oil cooling type diesel engine has the advantages that first, due to the fact that a cooling system and a lubricating system share one oil storing cavity, the structure of the diesel engine is simplified, the manufacturing cost is lowered, and the cooling effect is improved; second, by arranging an oil cooler on the oil pipe, the cooling of heated cooling liquid is accelerated, and the optimal-state operation of the whole cooling system is guaranteed.
Description
Technical field
The present invention relates to a kind of diesel engine, especially a kind of oil injection type diesel engine.
Background technology
Diesel engine work dynamic property and the economy that all can reduce it too high or too low for temperature.The effect of cooling system is to protect
Hold diesel engine to work under optimum state of temperature, to obtain good economy, dynamic property and durability.Existing cooling
System can be divided into air-cooled and water-cooled according to cooling medium difference.Air-cooled engine block is simple, small volume, with respect to water-cooled
Formula diesel engine which reduces parts, simplifies structure, simplifies production process, reduces production cost；Water-cooled diesel engine
Cooling is uniform, good cooling results, and the more air-cooled diesel engine of produced noise is much smaller.
When diesel engine works under the bad environment of high temperature or ventilation condition, the diesel engine of the above two type of cooling is cold
But effect can be affected by environment.
Content of the invention
It is an object of the invention to provide the oil injection type diesel engine that a kind of structure is simple, cooling effect is good.
The purpose of the present invention is achieved through the following technical solutions: a kind of oil injection type diesel engine, it include body, cylinder jacket with
And cylinder head；It is provided with shoe cream room, described cylinder jacket periphery is provided with oily coolant jacket, and the shoe cream room port of export and oil cooling are but in described body
It is provided with cooling oil passage a and cooling oil pump between set entrance point；It is provided with cooling oil passage b, cooling oil passage b in described cylinder head
Entrance point but covers the port of export with oil cooling and is connected, and the cooling oil passage b port of export is connected with external machine oil pipe entrance point, and machine oil pipe goes out
Mouth end is connected with shoe cream room entrance point.
For prior art, it is an advantage of the current invention that:
1. the coolant of oil injection type diesel engine cooling system is using the lubricant in lubricating system, cooling system and lubrication
System shares a shoe cream room, not only simplify engine block, reduces production cost, and good cooling results.
2. the passage of cincture cylinder jacket periphery spiral setting is so that cylinder jacket cools down more uniform from bottom to top.
3. on machine oil pipe, the oil cooler of setting accelerates the cooling of the coolant after intensification it is ensured that whole cooling system
System runs in the state of optimal.
4. oil injection type diesel engine works under the bad environment of ventilation condition and more can project the superiority of its cooling performance.
Brief description
Fig. 1 is a kind of structural representation of present invention oil injection type diesel engine embodiment.
Fig. 2 is a of Fig. 1 to structure diagram (side cover section does not draw in detail).
Fig. 3 is the b of Fig. 1 to structure diagram (only drawing cylinder jacket part).
Fig. 4 is the schematic diagram of the cooling oil passage b in cylinder head.
Fig. 5 is c-c sectional view in Fig. 1.
Fig. 6 is a kind of structural representation of oil cooler embodiment.
Fig. 7 is a of Fig. 1 to structure diagram (only drawing side cover section).
Fig. 8 is d-d sectional view in Fig. 7.
Label declaration: 1 body, 11 side covers, 12 bent axles, 13 camshafts, 14 grooves, 2 cylinder jacket, 3 cylinder head, 31 cylinder head
Oil pocket, 32 cylinder head shrouding a, 33 cylinder head shrouding b, 4 oily coolant jackets, 41 inclined passages, 42 flat passages, 5 shoe cream rooms, 51 machines
Oily filter cover plate, 52 oil filter screens, 6 cooling oil pumps, 61 cooling oil pump internal rotors, 7 machine oil pipes, 8 oil cooler, 81 water coolings
Set, 82 water pumps, 83 water tanks, 9 grease pumps.
Specific embodiment
With reference to Figure of description and embodiment, present invention is described in detail:
The embodiment schematic diagram of a kind of oil injection type diesel engine that the present invention provides as shown in Figure 1 to Figure 8 shows the, it includes body
1st, cylinder jacket 2 and cylinder head 3, cylinder jacket 2 is placed in the cylinder body opening of body 1, and during die casting, cylinder jacket 2 and body 1 form one
Body, cylinder jacket 2 upper end arranges cylinder head 3.It is provided with shoe cream room 5, described cylinder jacket 2 periphery is provided with oil cooling but in described body 1
Set 4, is provided with cooling oil passage a and cooling oil pump 6 between shoe cream room 5 port of export and oily coolant jacket 4 entrance point；Described cylinder head 3
Inside be provided with cooling oil passage b, cooling oil passage b entrance point is connected with oily coolant jacket 4 port of export, the cooling oil passage b port of export with
External machine oil pipe 7 entrance point is connected, and machine oil pipe 7 port of export is connected with shoe cream room 5 entrance point.
The coolant of above-mentioned oil injection type diesel engine cooling system is using the lubricant in lubricating system.Due to coolant and
Lubricant is same substance (lubricating oil), therefore can be mixed in shoe cream room 5, then passes through two pump housings (cooling oil pump 6, profit
Oil pump 9) guide cooling duct and lubrication channel respectively into.Shared shoe cream room 5 simplifies engine block, reduces and produces into
This, and using lubricating oil cooling uniformly, good cooling results.
Because coolant return lubricants are stored in shoe cream room 5 jointly, therefore shoe cream room 5 spatial design should be larger.
Described cooling oil pump 6 is located at the shaft end of bent axle 12.Drive cooling oil pump internal rotor 61 to rotate by bent axle 12, enter
And drive cooling oil pump 6 to work.
Cooling oil passage a on side cover 11, as shown by the arrows in Figure 1, from shoe cream room 5 out, up pass through by coolant
Cooling oil pump 6, finally flows into oily coolant jacket 4 bottom.
Shoe cream room 5 port of export is provided with oil filter screen 52 for impurity screening.
It is around the spiralling passage in cylinder jacket 2 periphery inside described oil coolant jacket 4.Serpentine channel design makes cylinder
Set 2 cools down more uniform from bottom to top.Described passage is made up of inclined passage 41 and flat passage 42.As shown in Fig. 2 cylinder
On front side of set 2 be some inclined passages about 41 interval setting form, cylinder jacket 2 left side, right side and rear side are some flats
Passage about 42 interval setting form, flat passage 42 as shown in figure 3, inclined passage 41 between the upper and lower every flat passage 42 phase
Connect and form helical duct.
Described cooling oil passage b annular is set around inside cylinder head 3.
It is additionally provided with cylinder head oil pocket 31, described cylinder head between the described cooling oil passage b port of export and machine oil pipe 7 entrance point
Oil pocket 31 is in the middle part of cylinder head 3.As shown by the arrows in Figure 4, the coolant in cooling oil passage b is by oily coolant jacket 4 upper end e point
Place flows into, and is flowed in cylinder head oil pocket 31 by f point after the internal circle of cylinder head 3.
Sealing gasket is set at the oil hole that oily coolant jacket 4 is docked with cylinder head 3.
Coolant after intensification enters in external machine oil pipe 7 and carries out natural cooling (external temperature is low, there is natural wind),
Coolant after cooling is back in shoe cream room 5 and recycles.
Preferably, described machine oil pipe 7 is provided with oil cooler 8.
Described oil cooler 8 includes water(-cooling) jacket 81 and water pump 82；Described water(-cooling) jacket 81 is sheathed on outside machine oil pipe 7
In week, it is additionally provided with inlet pipeline and outlet pipeline thereon；Described water pump 82 is on inlet pipeline.When this oil injection type diesel engine
When aboard ship using, the inlet pipeline on water(-cooling) jacket 81 can be to fetch water at the water sources such as the Congjiang, river, in order in cooler oil pipe 7
Coolant, then again from outlet pipeline discharge.
As shown in fig. 6, it also includes water tank 83, described inlet pipeline and outlet pipeline phase corresponding with water tank 83 respectively
Even.The setting of water tank 83 solves the regional limitation of oil cooler 8 use, still may be used in the place at some water sources that do not flow
To use.
Described water pump 82 is driven by camshaft 13.As shown in fig. 7, camshaft 13 axle head is provided with groove 14, described groove
14 is chimeric with water pump 82 roller end, and camshaft 13 rotates and drives water pump 82 to run.Preferably, 7 one-tenth spiral surroundings of machine oil pipe divide
It is distributed in inside water(-cooling) jacket 81.
Or, oil cooler 8 may also be employed radiator, and described radiator mainly coordinates fan to cooling by fin
Liquid carries out accelerating cooling.
Claims (6)
1. a kind of oil injection type diesel engine it is characterised in that: it includes body (1), cylinder jacket (2) and cylinder head (3)；Described machine
It is provided with shoe cream room (5), described cylinder jacket (2) periphery is provided with oily coolant jacket (4), and shoe cream room (5) port of export and oil cooling are but in body (1)
It is provided with cooling oil passage a and cooling oil pump (6) between set (4) entrance point；It is provided with cooling oil passage b in described cylinder head (3), cold
Oily passage b entrance point is connected with oily coolant jacket (4) port of export, the cooling oil passage b port of export and external machine oil pipe (7) import
End is connected, and machine oil pipe (7) port of export is connected with shoe cream room (5) entrance point；It is around cylinder jacket inside described oil coolant jacket (4)
(2) the spiralling passage in periphery；It is internal that described cooling oil passage b annular is set around cylinder head (3)；Described cooling oil passage b
It is additionally provided with cylinder head oil pocket (31), described cylinder head oil pocket (31) is located at cylinder head between the port of export and machine oil pipe (7) entrance point
(3) in the middle part of；Described cooling oil passage a is on side cover (11).
2. oil injection type diesel engine according to claim 1 it is characterised in that: described cooling oil pump (6) is located at bent axle (12)
Shaft end.
3. oil injection type diesel engine according to claim 1 and 2 it is characterised in that: it is cold that described machine oil pipe (7) is provided with machine oil
But device (8).
4. oil injection type diesel engine according to claim 3 it is characterised in that: described oil cooler (8) includes water cooling
Set (81) and water pump (82)；Described water(-cooling) jacket (81) is sheathed on machine oil pipe (7) periphery, be additionally provided with thereon inlet pipeline and
Outlet pipeline；Described water pump (82) is on inlet pipeline.
5. oil injection type diesel engine according to claim 4 it is characterised in that: it also includes water tank (83), described water inlet pipe
Road and outlet pipeline are corresponding with water tank (83) connected respectively.
6. oil injection type diesel engine according to claim 4 it is characterised in that: described water pump (82) pass through camshaft (13) drive
Dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027474.XA CN104533652B (en) | 2015-01-20 | 2015-01-20 | Oil cooling type diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510027474.XA CN104533652B (en) | 2015-01-20 | 2015-01-20 | Oil cooling type diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104533652A CN104533652A (en) | 2015-04-22 |
| CN104533652B true CN104533652B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510027474.XA Active CN104533652B (en) | 2015-01-20 | 2015-01-20 | Oil cooling type diesel engine |
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| Country | Link |
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| CN (1) | CN104533652B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948333A (en) * | 2015-07-13 | 2015-09-30 | 常州市宏硕电子有限公司 | Water cooling cylinder liner |
| CN106930853A (en) * | 2015-12-31 | 2017-07-07 | 沪东重机有限公司 | A kind of cooling jacket with spiral inlet channel |
| CN105927310A (en) * | 2016-04-21 | 2016-09-07 | 湖北三江船艇科技有限公司 | Engine double-pump lubricating system |
| CN109252939B (en) * | 2018-11-20 | 2021-08-13 | 黄涌芮 | Split type diesel engine cluster cooling system and application method thereof |
| WO2020134218A1 (en) * | 2018-12-26 | 2020-07-02 | 丰疆智能科技股份有限公司 | High-speed rice transplanter and mounting method therefor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4520767A (en) * | 1983-09-16 | 1985-06-04 | Cummins Engine Company | Low flow cooling system and apparatus |
| CN1132997C (en) * | 1999-03-28 | 2003-12-31 | 厉其明 | Engine for fire fighting motorcycle |
| CN201013467Y (en) * | 2007-03-05 | 2008-01-30 | 李尧 | Engine with wind and oil cooling cylinder cover |
| CN201310413Y (en) * | 2008-11-28 | 2009-09-16 | 江门天钇金属工业有限公司 | Cylinder head structure of oil cooling type motor cycle engine |
| CN202081951U (en) * | 2011-05-11 | 2011-12-21 | 郑凌 | Oil cooling system used for cooling four-stroke engine |
| CN204402680U (en) * | 2015-01-20 | 2015-06-17 | 福州海霖动力有限公司 | Oil injection type diesel engine |
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2015
- 2015-01-20 CN CN201510027474.XA patent/CN104533652B/en active Active
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| CN104533652A (en) | 2015-04-22 |
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