CN111075589B - Forced air cooling diesel engine body - Google Patents
Forced air cooling diesel engine body Download PDFInfo
- Publication number
- CN111075589B CN111075589B CN201911397347.3A CN201911397347A CN111075589B CN 111075589 B CN111075589 B CN 111075589B CN 201911397347 A CN201911397347 A CN 201911397347A CN 111075589 B CN111075589 B CN 111075589B
- Authority
- CN
- China
- Prior art keywords
- air
- cylinder head
- diesel engine
- box body
- heat dissipation
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- F02F1/04—Cylinders; Cylinder heads having cooling means for air cooling
- F02F1/06—Shape or arrangement of cooling fins; Finned cylinders
-
- 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
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/28—Cylinder heads having cooling means for air cooling
- F02F1/30—Finned cylinder heads
-
- 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
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0021—Construction
Landscapes
- 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)
Abstract
The invention relates to the technical field of diesel engines and discloses a forced air cooling diesel engine body which comprises a box body and a cylinder head, wherein one side of the box body is provided with a mounting opening, the other side of the box body is provided with a crankshaft hole, one side of the cylinder head is provided with a mounting hole for mounting an oil injector, and a heat dissipation head fixed on the box body is arranged between the box body and the cylinder head; heat dissipation holes are formed in the heat dissipation head and the cylinder head; an air inlet positioned on one side of the mounting opening is formed in the cylinder head, an air passage communicated with the air inlet is formed in the cylinder body, and a cooling opening communicated with the air passage is formed in one side of the mounting hole. The invention has simple structure, quickly cools the diesel engine body and overcomes the defects of the existing air cooling system of the diesel engine.
Description
Technical Field
The invention relates to the technical field of diesel engines, in particular to a forced air cooling diesel engine body.
Background
Diesel engines are engines that burn diesel fuel to obtain energy release. The diesel engine has the advantages of large torque and good economic performance.
When the diesel engine works, a large amount of heat can be generated by the diesel engine, if the diesel engine is overheated, the diesel engine is overloaded and runs at a low speed for a long time, so that the diesel engine is overheated, the water temperature is overhigh, the diesel engine is very harmful to the diesel engine, for example, a cylinder gasket is damaged by flushing, a bearing bush is burnt, a mechanical fault occurs, the air inflation quantity is reduced, the power is reduced, a water tank is boiled, cold water is boiled and evaporated, gaps among parts of the engine are reduced, the abrasion is aggravated, and the diesel engine stops.
In order to overcome the problem of overheating of the diesel engine, a cooling system and an air cooling system are adopted in the prior art, the cooling system is provided with a complex liquid path structure and is high in cost, the air cooling system is simple in structure, a fan wheel is fixed on a crankshaft of the diesel engine, the fan wheel is driven to blow air to the diesel engine when the crankshaft works, however, due to the limitation of a diesel engine body of the air cooling system, the structure of the fan wheel is limited, cooling air generated by the operation of the fan wheel is limited, and therefore the cooling effect of the diesel engine is limited. In order to overcome the problem of poor cooling of the air cooling system, it is necessary to improve the air cooling system.
Disclosure of Invention
The invention aims to provide a forced air cooling diesel engine body to improve the refrigeration effect on a diesel engine and reduce the overheating probability of the diesel engine.
In order to achieve the purpose, the invention provides the following technical scheme: a forced air cooling diesel engine body comprises a box body and a cylinder head, wherein one side of the box body is provided with a mounting opening, the other side of the box body is provided with a crankshaft hole, one side of the cylinder head is provided with a mounting hole for mounting an oil sprayer, and a heat dissipation head fixed on the box body is arranged between the box body and the cylinder head; heat dissipation holes are formed in the heat dissipation head and the cylinder head;
an air inlet positioned on one side of the mounting opening is formed in the cylinder head, an air passage communicated with the air inlet is formed in the cylinder head, and a cooling opening communicated with the air passage is formed in one side of the mounting hole.
The principle and the beneficial effects of the invention are as follows:
the impeller structure in the existing air cooling system is limited by the diesel engine structure, and the impeller cannot be too large, so that the refrigeration effect is limited to a certain extent, and the heat dissipation effect of the diesel engine body is limited to a certain extent.
(1) The scheme improves the diesel engine body under the condition of not changing the air cooling system so as to improve the refrigeration effect of the air cooling system, thereby reducing the high temperature of the diesel engine body and avoiding the stop work of the diesel engine due to overheating.
The cold air of the air cooling system blows to the heat dissipation holes, so that the air can flow to the periphery sides of the cylinder head and the heat dissipation head, the cold air is in full contact with the heat dissipation head and the cylinder head, and heat on the cylinder head and the heat dissipation head is taken away. Meanwhile, an air passage is formed in the cylinder head, cold air passes through an air inlet of the cylinder head and then enters the air passage, and the air is cooled to flow in the air passage so as to improve the heat dissipation effect of the cylinder head, and therefore the heat dissipation effect of the cylinder head is increased.
(2) In order to improve the cooling effect of the cylinder head and the heat dissipation head, in the prior art, a heat dissipation fin is generally arranged to enlarge the contact area between the cylinder head and the heat dissipation head and cold air so as to facilitate heat dissipation. In this scheme, be provided with the cooling hole, cold wind in the air flue passes through the air flue and discharges from the cooling hole to can be accurate cool down to the sprayer on the cylinder head, compare in prior art cooling effect better, overcome current air cooling system not enough, and then reach the purpose of forced cooling.
Furthermore, a plurality of radiating fins are integrally formed on the radiating head and the cylinder head.
Has the advantages that: the cooling fins can enlarge the contact area between the cylinder head and the cooling head and cold air, and further improve the refrigeration effect of the air cooling system.
Furthermore, a heat dissipation groove is formed between two adjacent heat dissipation fins.
Has the advantages that: the radiating groove formed by the radiating fins can guide cold air, so that the radiating groove can smoothly enter the radiating hole, and the axial movement of the cold air around the cylinder body and the radiating head is facilitated.
Furthermore, the heat dissipation holes are located on the heat dissipation groove and are in smooth transition with the heat dissipation groove.
Has the advantages that: through smooth transition of radiating groove and louvre to reduce the radiating groove and to the louvre blockking, do benefit to the flow of cold wind.
Furthermore, the cylinder head is provided with an air guide groove for guiding the air inlet.
Has the advantages that: the cold air is guided by the air guide groove, so that the cold air can smoothly pass through the air inlet.
Furthermore, a second air inlet communicated with the air passage is formed in the cylinder head.
Has the advantages that: after part of gas is blown to the air inlet, the gas enters the second air inlet through the guide of the air guide groove, so that the air is fed into the air passage twice, and the cylinder body is cooled for many times through twice air feeding.
Furthermore, an air guide plate is fixedly arranged on the air guide groove.
Has the advantages that: the air guide plate on the air guide groove blocks the air guide groove to reduce the blowing of cold air to other positions and ensure smooth air inlet of the air inlet and the second air inlet.
Furthermore, a plurality of lightening grooves are formed in the box body.
Has the advantages that: the lightening grooves can reduce the thickness of the box body, so that the box body can radiate heat more easily. Meanwhile, the lightening groove reduces the weight of the box body, so that the box body achieves the purpose of lightening.
Furthermore, a supporting shaft is fixed on the box body, and an assembling hole is formed in the supporting shaft.
Has the advantages that: the shell of the diesel engine body is arranged on the supporting shaft through the assembling hole, and the shell is supported through the supporting shaft.
Furthermore, the box body is integrally formed with a mounting seat.
Has the advantages that: the mounting seat enlarges the mounting area of the box body so as to improve the stability of the box body mounting.
Drawings
FIG. 1 is an isometric view of a diesel engine block in an embodiment of the invention;
FIG. 2 is a front view of a diesel engine block in an embodiment of the invention;
FIG. 3 is a rear view of a diesel engine block in an embodiment of the invention;
FIG. 4 is a front view of a cylinder head in an embodiment of the present invention;
FIG. 5 is a right side view of the cylinder head in an embodiment of the present invention;
FIG. 6 is a left side view of the cylinder head in an embodiment of the present invention;
fig. 7 is a bottom view of fig. 4.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the air-cooling structure comprises a mounting base 1, a box body 2, a supporting shaft 3, a lightening groove 4, a heat dissipation head 5, a first cooling fin 51, a first cooling groove 52, a first cooling hole 53, a cylinder head 6, a first air deflector 61, a second air deflector 62, a second cooling hole 63, a silencing base 64, a mounting hole 65, an air filtering base 66, a central cooling hole 67, an air inlet 68, an air guiding groove 69, a crankshaft hole 7, a second air inlet 70, a second cooling fin 72 and a cooling opening 8.
The first embodiment is as follows:
basically as shown in fig. 1, fig. 2 and fig. 3, a forced air cooling diesel engine body includes mount pad 1, and integrated into one piece has box 2 on the mount pad 1, and open one side of box 2 has bent axle hole 7, installs ball bearing (not shown in the figure) in the bent axle hole 7, and open the opposite side of box 2 has the installing port, and the installing port is used for installing the major structure of diesel engine, and the diesel engine is in this embodiment: 168FA diesel engine.
The integrated into one piece has the thermal head 5 on box 2, thermal head 5 is fixed with cylinder head 6 through fastening bolt, integrated into one piece has a plurality of first fin 51 on thermal head 5, integrated into one piece has first aviation baffle 61 on the first fin, constitute first radiating groove 52 between two adjacent first fin 51, constitute first louvre 53 between first aviation baffle 61 and the first radiating groove 52, first louvre 53 and first radiating groove 52 rounding off, first louvre 53 is located the both sides of thermal head 5. As shown in fig. 1 and fig. 2, a plurality of second cooling fins 72 are integrally formed on the cylinder head 6, a second cooling slot is formed between two adjacent second cooling fins 72, a second air guiding plate 62 is integrally formed on the second cooling fins 72, a second cooling hole 63 is formed between the second air guiding plate 62 and the second cooling slot, the second cooling hole 63 and the second cooling slot are in smooth transition, and a central cooling hole 67 penetrating through the cylinder body is formed on the cylinder body. The second air guiding plate 62 and the second heat dissipating slot form a second heat dissipating hole 53, so that the air can flow in the second heat dissipating slot.
As shown in fig. 4, the upper portion of the cylinder head 6 is provided with a mounting hole 65 for mounting an oil injector, and a cooling port 8 located on the cylinder head 6 is provided below the mounting hole 65. As shown in fig. 5, a silencing seat 64 is integrally formed on the right side of the cylinder body, the silencing seat 64 is used for mounting a silencer, a second air inlet 70 located on the left side of the silencing seat 64 is formed in the cylinder head 6, an air guide groove 69 is formed in the left side of the second air inlet 70, and a first air guide plate 61 integrally formed with the cylinder body is arranged on the air guide groove 69. Referring to fig. 7, an air inlet 68 is formed on the cylinder body, and an air guide groove 69 is located at the right side of the air inlet 68. An air passage is formed in the wall of the cylinder body, the air passage is a labyrinth passage in the embodiment, the air passage is respectively communicated with the air inlet 68 and the second air inlet 70, and the air passage is communicated with the cooling opening 8. As shown in fig. 6, an air filter seat 66 is integrally formed at the left side of the cylinder body, the air filter seat 66 is used for installing an air filter, and a central heat dissipation hole 67 located at the right side of the air filter seat 66 is formed in the cylinder head 6.
The specific implementation process is as follows:
as shown in fig. 3, the fan wheel is installed in the installation opening and driven by the diesel engine, when the fan wheel rotates, the fan wheel sends cold air into the first heat dissipation hole 53 and the first heat dissipation groove 52 to flow, so that the cold air cools the heat dissipation head 5, and as the heat dissipation head 5 is provided with the plurality of first heat dissipation fins 51, the first heat dissipation fins 51 can enlarge the contact area between the heat dissipation head 5 and the cold air, thereby improving the heat dissipation effect. Referring to fig. 2, the gas reaches the other side of the heat sink 5 through the first heat dissipation hole 53 and the first heat dissipation groove 52, so that the other side of the heat sink 5 can be cooled, and the cooling effect of the heat sink 5 is improved.
When the fan wheel blows the heat dissipation head 5, cold air can blow to the cylinder head 6 at the same time, the cold air blows to the second heat dissipation groove, the air passes through one side of the air filter seat 66 first through the guide of the second heat dissipation groove, when the air filter is installed on the air filter seat 66, the air filter can generate certain temperature to influence the cooling of the cylinder head 6, air passes through the air filter seat 66 and can cool the vicinity of the air filter seat 66, then the air enters the central heat dissipation hole 67 and the second heat dissipation hole 63 through the guide of the second heat dissipation groove and blows to the air inlet 68, the air enters the air inlet 68 and is discharged from the cooling hole 8 through the air passage, the air passage is a labyrinth passage, the flowing time in the air passage is long enough, the diesel engine cylinder body can be fully cooled, and the oil injector installed on the installation hole 65 can have partial temperature, and the cold air discharged from the cooling hole 8 cools the vicinity of the installation hole 65. As shown in fig. 5, a part of the gas will enter the second air inlet 70 through the air guiding groove 69 by being guided by the air guiding groove 69, and enter the air passage to cool the cylinder body again, so as to cool the circumferential direction of the cylinder head 6.
Example two:
the difference between the second embodiment and the first embodiment is that, as shown in fig. 1, a plurality of lightening slots 4 are formed on the top surface of the box body 2, in this embodiment, the longitudinal section of the lightening slots 4 is rectangular, a support shaft 3 is integrally formed on the box body 2, the left end of the support shaft 3 is lower than the right end of the support shaft 3, and the support shaft 3 is inclined, and a mounting hole (not shown in the figure) is formed on the support shaft 3.
The weight of the box body 2 can be reduced integrally through the lightening groove 4, and the top surface of the box body 2 can be thinned due to the lightening groove 4, so that the thickness of the top wall of the box body 2 is reduced, and the heat dissipation of the box body 2 is facilitated.
When installing the shell to the diesel engine organism, the shell is installed on back shaft 3, and back shaft 3 makes shell and box 2 have certain interval, forms airflow channel promptly, and the produced gas of impeller can flow on box 2, and then strengthens box 2's radiating effect.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.
Claims (5)
1. Forced air cooling diesel engine organism, including box and cylinder head, open one side of box has the installing port, and open the opposite side of box has the bent axle hole, and the mounting hole that is used for installing the sprayer is seted up to one side of cylinder head, its characterized in that: a heat dissipation head fixed on the box body is arranged between the box body and the cylinder head; the cylinder head is integrally formed with a plurality of second radiating fins, a second radiating groove is formed between two adjacent second radiating fins, a second air deflector is integrally formed on the second radiating fins, and a second radiating hole is formed between the second air deflector and the second radiating groove;
the cylinder head is provided with a first air inlet positioned on one side of the mounting opening, the cylinder head is provided with an air passage communicated with the first air inlet, the cylinder head is provided with an air guide groove used for guiding the air inlet, the cylinder head is provided with a second air inlet communicated with the air passage, one side of the mounting hole is provided with a cooling opening communicated with the air passage, gas can enter the second air inlet through the air guide groove by guiding the air guide groove and enter the air passage to cool the cylinder body again, and the air passage is a labyrinth passage.
2. A forced air cooled diesel engine block according to claim 1, wherein: and the air guide groove is fixedly provided with an air guide plate.
3. A forced air cooled diesel engine block according to claim 1, wherein: the box body is provided with a plurality of lightening grooves.
4. A forced air cooled diesel engine block according to claim 1, wherein: a supporting shaft is fixed on the box body, and an assembling hole is formed in the supporting shaft.
5. A forced air cooled diesel engine block according to claim 1, wherein: the box body is integrally formed with a mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397347.3A CN111075589B (en) | 2019-12-30 | 2019-12-30 | Forced air cooling diesel engine body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911397347.3A CN111075589B (en) | 2019-12-30 | 2019-12-30 | Forced air cooling diesel engine body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111075589A CN111075589A (en) | 2020-04-28 |
| CN111075589B true CN111075589B (en) | 2021-03-30 |
Family
ID=70319783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911397347.3A Expired - Fee Related CN111075589B (en) | 2019-12-30 | 2019-12-30 | Forced air cooling diesel engine body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111075589B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087062B (en) * | 2021-11-17 | 2022-09-06 | 武汉市金兰发动机有限公司 | Dual cooling type engineering machinery diesel engine |
| CN114320558B (en) * | 2022-01-11 | 2023-08-25 | 江阴市兴港铝业有限公司 | Efficient energy-saving air-cooled diesel engine body for engineering machinery |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1821434A (en) * | 1923-01-27 | 1931-09-01 | Erwin H Hamilton | Cooling fin for internal combustion engines |
| DE804502C (en) * | 1949-11-20 | 1951-04-23 | Mahle Kg | Cylinders, especially for air-cooled internal combustion engines |
| JPS5627321U (en) * | 1979-08-09 | 1981-03-13 | ||
| DE3408624A1 (en) * | 1984-03-09 | 1985-09-12 | KHD Canada Inc. Deutz R & D Division, Boucherville, Quebec | AIR COOLED PISTON COMBUSTION ENGINE |
| CN2324300Y (en) * | 1997-09-16 | 1999-06-16 | 财团法人工业技术研究院 | Engine cylinder cooling device |
| CN101082311A (en) * | 2007-06-29 | 2007-12-05 | 无锡开普动力有限公司 | Wind cooling diesel engine cylinder cover |
| CN101082310A (en) * | 2007-06-29 | 2007-12-05 | 无锡开普动力有限公司 | Wind cooling diesel engine body |
| CN205013136U (en) * | 2015-08-18 | 2016-02-03 | 常州市金狮压铸有限公司 | Heat dissipation type motorcycle engine cylinder body |
| CN206571588U (en) * | 2017-03-28 | 2017-10-20 | 重庆润通科技有限公司 | cylinder head cooling structure |
| CN208348193U (en) * | 2018-06-05 | 2019-01-08 | 浙江众焊联科技有限公司 | A kind of three-in-one cylinder head semi-finished product and cylinder head |
| CN109578160A (en) * | 2019-01-07 | 2019-04-05 | 浙江康思特动力机械有限公司 | With the Universal crankcase body for gasoline engine for forcing cooling air channel |
-
2019
- 2019-12-30 CN CN201911397347.3A patent/CN111075589B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN111075589A (en) | 2020-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102215763B1 (en) | Structure of duct for cooling brake | |
| CN111075589B (en) | Forced air cooling diesel engine body | |
| CN201502430U (en) | Air duct structure of petrol generator | |
| JP2008157222A (en) | Cowling cover structure for engine | |
| CN109374302B (en) | Air cooling system for small rotor engine bench test | |
| CN102061974A (en) | Forced air cooling engine | |
| JP2008248697A (en) | Cooling structure of vehicular heat exchanger | |
| CN1098445C (en) | Structure of machine room of refrigeration | |
| KR100778569B1 (en) | An apparatus for improving performance of cooling pan for vehicle | |
| CN112339554B (en) | Driving shaft system | |
| CN213016524U (en) | Wind-cooling diesel engine wind-guiding device | |
| JP2009068378A (en) | Cooling device for air cooled engine | |
| WO2012122839A1 (en) | Air cooled cylinder head of gasoline engine and gasoline engine thereof | |
| CN204316233U (en) | There is the motor of air cooling system | |
| CN220415486U (en) | Engine oil cooling device | |
| CN211648325U (en) | Forced air cooling diesel engine box | |
| CN112172981A (en) | Water tank outer cover wind-guiding structure of motorcycle | |
| CN217125006U (en) | Turbo fan cooling device arranged on left side and right side of air-cooled motorcycle | |
| CN219865258U (en) | Engine cylinder cover with good heat dissipation | |
| CN220168036U (en) | Efficient heat dissipation air-cooled internal combustion engine cylinder | |
| CN219388025U (en) | Motorcycle engine cylinder head | |
| CN214887333U (en) | Diesel engine heat abstractor | |
| CN221144549U (en) | Muffler cooling structure | |
| CN212003363U (en) | Diesel engine crankcase with heat dissipation function | |
| KR102714891B1 (en) | Composite cooling cap for engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210330 Termination date: 20211230 |