CN109578160A - With the Universal crankcase body for gasoline engine for forcing cooling air channel - Google Patents
With the Universal crankcase body for gasoline engine for forcing cooling air channel Download PDFInfo
- Publication number
- CN109578160A CN109578160A CN201910010829.2A CN201910010829A CN109578160A CN 109578160 A CN109578160 A CN 109578160A CN 201910010829 A CN201910010829 A CN 201910010829A CN 109578160 A CN109578160 A CN 109578160A
- Authority
- CN
- China
- Prior art keywords
- cooling air
- air channel
- cylinder block
- air inlet
- gasoline engine
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 108
- 230000005855 radiation Effects 0.000 claims abstract description 42
- 230000017525 heat dissipation Effects 0.000 claims abstract description 22
- 210000003205 muscle Anatomy 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/007—Adaptations for cooling
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 discloses a kind of with the Universal crankcase body for gasoline engine for forcing cooling air channel, belong to engine art, multi-layer heat dissipation muscle piece is surrounded on the outer wall of cylinder block from its bottom to top, several radiation ribs offer air inlet and outlet along air inlet, air-out direction, radiation rib between air inlet and air outlet slots to form interior cooling air channel, receives in air inlet to the outer ledge of several radiation ribs on air-out direction and forms outer cooling air channel.The present invention by opening up cooling air channel at two on the cooling fin of cylinder block outer wall, outer cooling air channel at two, increase total film-cooled heat, improve radiating efficiency, guarantee that engine is run under good thermic load operating condition, improve the service life of engine.
Description
Technical field
It is specifically a kind of with the general gasoline engines song for forcing cooling air channel the invention belongs to general purpose engine field
Axle box.
Background technique
Existing gasoline engine crankshaft box body, mainly by the way that the heat dissipation being linked together with cabinet is arranged in cylinder block outer wall
Muscle reduces the temperature of combustion chamber in conjunction with cold wind by radiating ribs.Radiating ribs are generally distributed around cylinder block outer wall, and from cylinder
The opening at bottom to the top of external wall, is distributed with the multilayer that outer edge is unified at 4 liang of channel 1 and channel as shown in Fig. 1
Radiating ribs.Multi-layer heat dissipation muscle under the type cools down burning only by the gap that cold wind is blown between adjacent two layers radiating ribs
The temperature of room.And the outer wall of usually cylinder block is more thick and solid, is kept straight on by cold wind herein to cool down, discharge capacity larger for cylinder diameter
Biggish single-cylinder engine heat dissipation effect is not good enough, is easy to happen that chamber temperature is excessively high, by directly affect engine power or
Failure frequent occurrence reduces the service life of engine.
Based on this, this case application is proposed.
Summary of the invention
To solve the problems, such as that crankcase cylinder block is cooling insufficient in the prior art, the present invention provides a kind of cold with forcing
But the Universal crankcase body for gasoline engine in air duct forces cooling air channel to increase film-cooled heat, improves cooling effect by opening up, with
This improves the temperature of crankcase, enables the engine to keep good Power operation.
To achieve the above object, the scheme that the present invention uses is as follows: with the General purpose petrol engine crankshaft for forcing cooling air channel
Cabinet, including cylinder block are surrounded with multi-layer heat dissipation muscle piece from its bottom to top on the outer wall of cylinder block, and cooling wind is in gas
The radial upper air inlet of cylinder body, outlet air.Several radiation ribs offer air inlet, outlet air at the edge of air inlet, air-out direction respectively
Mouthful, the radiation rib fluting between air inlet and air outlet, fluting both ends are connected to air inlet and air outlet and form interior cooling wind
Road.
The present invention is further provided that interior cooling air channel has two, along the radius of the cylinder block of air inlet, air-out direction
For boundary, interior cooling air channel is divided into the two sides near the outer wall of cylinder block.By symmetrically arranged interior cooling air channel, effectively take away
The heat that cylinder block burning zone generates avoids causing temperature at this excessively high because heat build-up is excessive.
The present invention is further provided that interior cooling air channel is set to the radiation rib of cylinder block top or top half
On, the height for increasing interior cooling air channel is maximized, can be improved the heat dissipation effect to cylinder head entirety.
The outer wall that the present invention is further provided that interior cooling air channel close to cylinder block is arranged.Preferably, interior cooling wind
Road is bonded the shape setting of the outer wall of cylinder block.It, can be when the burning zone of cylinder block generates heat, with most quickly with this
Degree takes away heat, reduces the temperature of the burning zone of cylinder block.
The present invention is further provided that be easy to process and increase the heat dissipation area of cylinder block, interior cooling air channel and gas
The radiation rib of one fixed width is spaced between the outer wall of cylinder body.
The present invention is further provided that several radiation ribs at the top of cylinder block or in the radiation rib of top half are opened
Equipped with air inlet and outlet and interior cooling air channel.It is built in interior cooling air channel in radiation rib, can be broken reducing structure
Bad while, enables the heat of the radiation rib near cylinder block to distribute.
The present invention is further provided that the air inlet institute of several radiation ribs of cylinder block top or top half outside
Side edge is flushed with the outer ledge of the radiation rib of its bottom or lower half portion, enable cooling wind can evenly into it is upper,
Under in gap between adjacent two layers of radiation rib and air inlet, so that it is guaranteed that cylinder block integrally can be air-cooled in cooling
But in range.
The present invention is further provided that the air outlet institute of several radiation ribs of cylinder block top or top half outside
Side edge has spacing compared with the outer ledge of the radiation rib of its bottom or lower half portion.On the one hand, cooling air channel can be shortened
Path in time takes the heat of exchange out of, to avoid being deposited between radiation rib；On the other hand, it can reduce cooling wind
The difficulty of processing in road, at the same it is also that the top of cylinder block or top half is semi-open in air outlet side, in lifting cylinder body
The heat dissipation effect of the radiation rib of the top of lower part or lower part.
The present invention is further provided that cylinder block outer wall periphery is equipped with the fixation that mounting hole, oilhole, reinforcing rib are formed
Body, interior cooling air channel is between fixed body and cylinder block outer wall.Preferably, the part of interior cooling air channel is from the outside of fixed body
It bypasses.
The present invention is further provided that the outer ledge entered the wind to several radiation ribs on the direction of outlet air and fixation
Outer cooling air channel is offered between body.Outer cooling air channel has two, using the radius of the cylinder block along air inlet, air-out direction as boundary,
It is located at the outer ledge of multi-layer heat dissipation muscle piece two sides.By symmetrically arranged interior cooling air channel and outer cooling air channel, realize
A plurality of cooling air channel radiates parallel, basically covers the sagittal plane of cylinder block burning zone comprehensively, and order can obtain everywhere
Good heat dissipation, the heat build-up for avoiding some position excessively cause temperature at this excessively high.
The technology of the present invention effect is as follows: one, present invention fitting cylinder block outer wall, which opens up interior cooling air channel, can make cooling wind
It is air-cooled along outwardly and inwardly carry out of the air duct to cylinder outer wall, film-cooled heat is increased, achievees the purpose that rapid cooling, effectively
Reduction engine thermic load, make its proper heat reduction at high speed.
Two, interior cooling air channel close to cylinder block outer wall be arranged, can more rapidly, more effectively by cylinder block outer wall and song
Combustion chamber heat inside axle box is taken away in time, avoids cylinder block outer wall and the temperature of combustion chamber excessively high and influence engine
Power and service life.
Three, the weight for significantly reducing cylinder block part-structure makes crankcase lightweight, advantageously reduces cost.
Detailed description of the invention
Fig. 1 is specific embodiment of the invention cooling air channel cross-sectional view.
Fig. 2 is specific embodiment of the invention overhead view.
Fig. 3 is specific embodiment of the invention inlet side structural schematic diagram.
Fig. 4 is specific embodiment of the invention air side structural schematic diagram.
It is as shown in the figure: 1-outer cooling air channel I, 2-interior cooling air channels I, 3-interior cooling air channels II, 4-outer cooling air channels
II, 5-radiation ribs, 201-air outlet ii, 301-air outlet iii, a-air inlet i, b-air inlet ii, c-air inlet
Iii, d-air inlet iv.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of Universal crankcase body for gasoline engine with pressure cooling air channel, crankcase is set
There is the cylinder block for installing cylinder, cylinder block is a hollow housing with cylinder installation cavity (usually cylindrical).This reality
Side that example is connect using cylinder block with crankcase is applied as bottom, using the side for installing cylinder head as top, in cylinder block
Outer wall on multi-layer heat dissipation muscle piece 5 is surrounded with from its bottom to top.It is equipped with and multi-layer heat dissipation muscle in multi-layer heat dissipation muscle piece 5
The periphery of cylinder block outer wall is usually arranged in the fixed body that the structures such as the reinforcing rib connected vertically of piece 5, mounting hole, oilhole are formed.
Aperture and section elder generation display portion as shown in figure 1.This class formation and it is set as the prior art.In the present embodiment, cooling wind into
Wind-air-out direction and cylinder block it is radial parallel, and right side is inlet side, left side is air side shown in Fig. 1.
Multi-layer heat dissipation muscle piece 5 is divided into upper and lower two parts according to its position in cylinder block, and the fixed body of above structure is past
Past isometric with cylinder block outer wall, the axial direction along cylinder block is distributed from bottom to up.Upper and lower two sides fixed body shown in Fig. 1
Outside and multi-layer heat dissipation muscle piece 5 upper and lower side outer ledge between, due to being spaced apart for radiation rib 5, there are one
Fixed gap, in conjunction with cooling wind it is right into, it is left go out direction, which constitutes outer cooling air channel I 1, outer cooling air channel II 4.
In the radiation rib 5 of upper part, in-between several radiation ribs 5 open up on the outer ledge on inlet side (right side)
Air inlet ii b, air inlet iii c, while air outlet ii 201, air outlet iii 301 are offered in air side (left side).Into
Radiation rib 5 between air port ii b, air inlet iii c and air outlet, which is slotted, makes to be located at air inlet ii b, the air inlet of two sides
Iii c is connected to air outlet ii 201, air outlet iii 301 respectively, thus cooling air channel I 2, interior cooling air channel II in constituting
3.Interior cooling air channel I 2, interior cooling air channel II 3 close to cylinder block outer wall and fitting cylinder block outer wall be shaped to arc
The cooling air channel of shape, but interior cooling air channel I 2, interior cooling air channel II 3 are not bonded not instead of completely with the outer wall of cylinder block, with
The radiation rib 5 of one fixed width is spaced between the outer wall of cylinder block.It on the one hand, can be using radiation rib 5 to cylinder block outer wall
Tentatively radiated；On the other hand, increase the heat dissipation area of cylinder block outer wall using radiation rib 5, accelerate radiating rate.
Using the radius of the cylinder block along air inlet, air-out direction as boundary, interior cooling air channel I 2, interior cooling air channel II 3 set up separately
Upper and lower two sides near the outer wall of cylinder block, outer cooling air channel I 1, outer cooling air channel II 4 are located at multi-layer heat dissipation muscle piece 5
The outer ledge of upper and lower two sides.
The air inlet ii b of interior cooling air channel I 2 is the fixed body for avoiding the upper right corner shown in Fig. 1, from consolidating for the upper right corner
The outside (i.e. upside) for determining body opens up, to be bonded the interior cooling air channel I of cylinder block outer wall with its second half section around the fixed body
2 connections.The opening of the air inlet iii c of interior cooling air channel II 3 is larger, is once able to enter more wind.
Air inlet iii c, air inlet ii b are aligned with the outer ledge of the radiation rib 5 of its underpart, with ensure into
The cooling wind entered is directly from air inlet ii b is entered above interior cooling air channel I 2 and interior cooling air channel II 3, lower section is by phase
In heat dissipation channel between two adjacent radiation ribs 5, to improve intake velocity, ensure intake, and cooling wind is reduced because between
Away from wind loss caused by setting.
The air inlet i a of outer cooling air channel I 1 is located at the upper right corner, due to the presence of air inlet ii b, is open smaller, inclined
It is long and narrow.The air inlet iv d of outer cooling air channel II 4 is located at the lower right corner shown in Fig. 2, due at this and not set fixed body,
Air inlet iv d can be arranged directly at this, and have biggish air inlet opening.Due to outer cooling air channel I 1, outer cooling wind
Road II 4 itself is the gap between radiation rib 5 and radiation rib 5, therefore the opening of air inlet i a, air inlet iv d are certainly
So it is aligned with the holding of the edge of radiation rib 5.
As shown in connection with fig. 2, air outlet ii 201, air outlet iii 301 are the big opening for being bonded cylinder block outer wall setting,
Therebetween the lesser fixed body of an only volume separates.In this way, smooth convenient for interior cooling air channel I 2, interior cooling air channel II 3
Air draft.
Embodiment 2
The present embodiment is further provided that interior cooling air channel I 2, interior cooling air channel II 3 on the basis of embodiment 1
Air outlet is adjacent, is equipped with the isolation strip of a limited width therebetween, which is equipped with mounting hole/oilhole multi-layer heat dissipation
Muscle piece 5.The air inlet iii c of interior cooling air channel II 3 is outer expanding shape, and the opening of air inlet iii c extends to the cross of cylinder block
To approximate centerline.And the air inlet ii b of the interior cooling air channel I 2 of the upside then air inlet with the outer cooling air channel I 1 of upside
I a is adjacent.
Embodiment 3
The present embodiment difference from example 1 is that: the present embodiment lower part multi-layer heat dissipation muscle piece 5 left and right two
The cooling air channel between the air outlet, air inlet and air outlet and air inlet of similar structures is equally arranged in side, to realize to gas
The rapid cooling of inferior part of the cylinder block further increases film-cooled heat, accelerates radiating efficiency, the power for guaranteeing engine and normal fortune
Turn.
Based on above-mentioned, the present invention provides a kind of with the Universal crankcase body for gasoline engine for forcing cooling air channel, passes through
Cooling air channel at two, outer cooling air channel at two are opened up on the cooling fin of cylinder block outer wall, not only increase the cooling gross area,
Radiating efficiency is improved, and is radiated comprehensively in a manner of inside and outside combination to cylinder block, conflagration section at the top of cylinder block is made
The heat of position also can in time, rapidly be cooled wind take out of, the temperature of cylinder head and crankcase is effectively reduced with this, makes
Engine keeps good Power operation, improves the service life of engine.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature
Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute
Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.
Claims (10)
1. the Universal crankcase body for gasoline engine for forcing cooling air channel, including cylinder block are had, from its bottom on the outer wall of cylinder block
It is surrounded with multi-layer heat dissipation muscle piece to top, cooling wind is in the radial upper air inlet of cylinder block, outlet air, it is characterised in that: several
Radiation rib offers air inlet and outlet along air inlet, air-out direction, the radiation rib fluting shape between air inlet and air outlet
At interior cooling air channel.
2. as described in claim 1 with the Universal crankcase body for gasoline engine for forcing cooling air channel, it is characterised in that: interior cooling
Air duct has two, and using the radius of the cylinder block along air inlet, air-out direction as boundary, the outer wall that interior cooling air channel is divided into cylinder block is attached
Close two sides.
3. as claimed in claim 1 or 2 with the Universal crankcase body for gasoline engine for forcing cooling air channel, it is characterised in that: interior
Cooling air channel is set at the top of cylinder block or on the radiation rib of top half.
4. as described in claim 1 with the Universal crankcase body for gasoline engine for forcing cooling air channel, it is characterised in that: interior cooling
The outer wall of air duct close to cylinder block is arranged.
5. as described in claim 1 or 4 with the Universal crankcase body for gasoline engine for forcing cooling air channel, it is characterised in that: interior
The radiation rib of one fixed width is spaced between cooling air channel and the outer wall of cylinder block.
6. as claimed in claim 3 with the Universal crankcase body for gasoline engine for forcing cooling air channel, it is characterised in that: cylinder block
Several radiation ribs in the radiation rib of top or top half offer air inlet and outlet and interior cooling air channel.
7. as claimed in claim 3 with the Universal crankcase body for gasoline engine for forcing cooling air channel, it is characterised in that: cylinder block
The radiation rib of outer ledge and its bottom or lower half portion where the air inlet of several radiation ribs of top or top half
Outer ledge flush.
8. as claimed in claim 3 with the Universal crankcase body for gasoline engine for forcing cooling air channel, it is characterised in that: cylinder block
Radiation rib of the outer ledge compared with its bottom or lower half portion where the air outlet of several radiation ribs of top or top half
Outer ledge have spacing.
9. as described in claim 1 with the Universal crankcase body for gasoline engine for forcing cooling air channel, it is characterised in that: cylinder block
Outer wall periphery is equipped with the fixed body that mounting hole, oilhole, reinforcing rib are formed, interior cooling air channel be located at fixed body and cylinder block outer wall it
Between, it is preferred that the part of interior cooling air channel is bypassed from the outside of fixed body.
10. as described in claim 1 with the Universal crankcase body for gasoline engine for forcing cooling air channel, it is characterised in that: air inlet
Outer cooling air channel is offered between the outer ledge and fixed body of several radiation ribs on to the direction of outlet air；Preferably, outside
Cooling air channel has two, using the radius of the cylinder block along air inlet, air-out direction as boundary, is located at multi-layer heat dissipation muscle piece two sides
Outer ledge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010829.2A CN109578160A (en) | 2019-01-07 | 2019-01-07 | With the Universal crankcase body for gasoline engine for forcing cooling air channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010829.2A CN109578160A (en) | 2019-01-07 | 2019-01-07 | With the Universal crankcase body for gasoline engine for forcing cooling air channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578160A true CN109578160A (en) | 2019-04-05 |
Family
ID=65915710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910010829.2A Pending CN109578160A (en) | 2019-01-07 | 2019-01-07 | With the Universal crankcase body for gasoline engine for forcing cooling air channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578160A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552809A (en) * | 2019-09-06 | 2019-12-10 | 四川千贻达机械有限责任公司 | Small-size general gasoline engine crankcase with forced cooling air duct |
| CN111075589A (en) * | 2019-12-30 | 2020-04-28 | 重庆品恒动力机械有限公司 | Forced air cooling diesel engine body |
| CN111237077A (en) * | 2019-09-11 | 2020-06-05 | 浙江康思特动力机械有限公司 | Cylinder cover with multiple cooling air channels |
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| EP0483058A1 (en) * | 1990-10-24 | 1992-04-29 | Alusuisse-Lonza Services Ag | Heat sink for semiconductor components |
| JPH0533639A (en) * | 1991-07-24 | 1993-02-09 | Honda Motor Co Ltd | Fin structure of air-cooled engine |
| US5682948A (en) * | 1995-03-24 | 1997-11-04 | Alusuisse Technology & Management Ltd. | Heat exchanger for cooling semi-conductor elements or the like |
| CN201041089Y (en) * | 2007-04-17 | 2008-03-26 | 重庆宗申技术开发研究有限公司 | Crank box for general gasoline engine |
| CN206111358U (en) * | 2016-09-29 | 2017-04-19 | 广安耀业机械制造有限公司 | Low carbon alloy material vanadium titanium cylinder block of motorcycle engine |
| CN206650979U (en) * | 2017-04-12 | 2017-11-17 | 航天华盛源机电（苏州）有限公司 | A kind of heat sink arrangement |
| CN209781049U (en) * | 2019-01-07 | 2019-12-13 | 浙江康思特动力机械有限公司 | General gasoline engine crankcase with forced cooling air duct |
-
2019
- 2019-01-07 CN CN201910010829.2A patent/CN109578160A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0483058A1 (en) * | 1990-10-24 | 1992-04-29 | Alusuisse-Lonza Services Ag | Heat sink for semiconductor components |
| JPH0533639A (en) * | 1991-07-24 | 1993-02-09 | Honda Motor Co Ltd | Fin structure of air-cooled engine |
| US5682948A (en) * | 1995-03-24 | 1997-11-04 | Alusuisse Technology & Management Ltd. | Heat exchanger for cooling semi-conductor elements or the like |
| CN201041089Y (en) * | 2007-04-17 | 2008-03-26 | 重庆宗申技术开发研究有限公司 | Crank box for general gasoline engine |
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| CN209781049U (en) * | 2019-01-07 | 2019-12-13 | 浙江康思特动力机械有限公司 | General gasoline engine crankcase with forced cooling air duct |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552809A (en) * | 2019-09-06 | 2019-12-10 | 四川千贻达机械有限责任公司 | Small-size general gasoline engine crankcase with forced cooling air duct |
| CN111237077A (en) * | 2019-09-11 | 2020-06-05 | 浙江康思特动力机械有限公司 | Cylinder cover with multiple cooling air channels |
| CN111237077B (en) * | 2019-09-11 | 2024-04-16 | 浙江康思特动力机械有限公司 | Cylinder cover provided with multiple cooling air channels |
| CN111075589A (en) * | 2019-12-30 | 2020-04-28 | 重庆品恒动力机械有限公司 | Forced air cooling diesel engine body |
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