CN106979094A - Double-cooling cylinder of motorcycle engine structure - Google Patents
Double-cooling cylinder of motorcycle engine structure Download PDFInfo
- Publication number
- CN106979094A CN106979094A CN201710197483.2A CN201710197483A CN106979094A CN 106979094 A CN106979094 A CN 106979094A CN 201710197483 A CN201710197483 A CN 201710197483A CN 106979094 A CN106979094 A CN 106979094A
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- China
- Prior art keywords
- cylinder
- cylinder head
- cooling
- water
- inlet
- Prior art date
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- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000002485 combustion reaction Methods 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003032 molecular docking Methods 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
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
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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)
Abstract
The invention discloses a kind of double-cooling cylinder of motorcycle engine structure, including cylinder head, cylinder head bottom shapes the inlet and outlet door of combustion chamber of air cylinder's inner upper end and its connection, cylinder head top shapes camshaft and installs chamber, the cylinder cap mounting surface that cylinder head upper end face, which also has, to be used for and cylinder head is docked；Cylinder head rear surface is the cylinder body mounting surface for being docked with cylinder block, cylinder head outer surface is provided with the fin formation air-cooled structure of outwardly convex, it is characterized in that, position between the cylinder head is internally located at below inlet and outlet door top and camshaft installation chamber is additionally provided with water cavity, water cavity side is provided with the apopore being communicated to outside cylinder head, and opposite side is provided with the inlet opening being communicated to outside cylinder head.Present invention employs air-cooled and water cooling dual-cooled, with simple in construction, good cooling results, the advantages of component service life assembled thereon is long.
Description
Technical field
The present invention relates to a kind of motorcycle engine cylinder field, start in particular to a kind of double-cooling motorcycle
Machine air cylinder head structure.
Background technology
General motorcycle engine cylinder is gentle by being successively set on cylinder block above crankcase, cylinder head from top to bottom
Cylinder cap is constituted.Wherein cylinder head bottom needs the inlet and outlet door knot for shaping combustion chamber of air cylinder's inner upper end and its connection
Structure, cylinder head top is also needed to shape camshaft installation chamber, and cylinder head upper end face, which also has, to be used for and cylinder head docking
Cylinder cap mounting surface.
This traditional cylinder head, because located immediately at combustion chamber top, temperature is higher, it is necessary to set cooling structure to carry out
Cooling.Existing cylinder head cooling structure, normally only includes the fin of the outwardly convex positioned at cylinder head outer surface surrounding, relies on
Air-cooled mode is cooled down.But this existing type of cooling, cooling effect is limited, causes the structures such as valve, rocking arm, camshaft
Part is long-term to work at a high temperature of highly 230 DEG C or so, and service life is shorter.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：How a kind of structure letter is provided
It is single, good cooling results, the double-cooling cylinder of motorcycle engine structure of service life length.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of double-cooling cylinder of motorcycle engine structure, including cylinder head, cylinder head bottom shapes cylinder combustion
Chamber interior upper end and its inlet and outlet door of connection, cylinder head top shape camshaft and install chamber, cylinder head upper end table
The cylinder cap mounting surface that face, which also has, to be used for and cylinder head is docked；Cylinder head rear surface is the cylinder body peace for being docked with cylinder block
Dress face, cylinder head outer surface is provided with the fin formation air-cooled structure of outwardly convex, it is characterised in that position in the cylinder head
Position between inlet and outlet door top and camshaft are installed below chamber is additionally provided with water cavity, and water cavity side is provided with connection
Apopore outside to cylinder head, opposite side is provided with the inlet opening being communicated to outside cylinder head.
So, the present invention on the basis of existing cylinder head air-cooled structure, be additionally arranged water-cooling system and cooled down, it is air-cooled and
Water cooling is acted on simultaneously, and Cylinder Head Temperature can be down to 140 DEG C or so, extends the service life of each component assembled on cylinder head.
As optimization, the inlet opening on the cylinder head is located on cylinder body mounting surface, for gentle cylinder interior cooling system
System connects into water.
So, the water cavity of cylinder head is directly entered by water hole from cylinder block, by taking away partial heat above combustion chamber,
Again from cylinder head apopore water outlet；Water circulation directly enters cylinder head from cylinder block by inside, and this is not only reduced enters from outside
The risk of water nozzle leak in water-bound, and assembling process is simplified, it also a saving cost.
As optimization, a vertically communicated gas is each provided with positioned at combustion chamber inner chamber surrounding position on the cylinder body mounting surface
The bolt cylinder mounting hole of cylinder head；It is empty that the side of four bolt cylinder mounting hole regions is additionally provided with a chain resigning
A first cylinder head fastener hole is additionally provided with the outside of chamber, chain resigning cavity, one end adjacent of chain resigning cavity is provided with
Spill port, the inlet opening is located at one end and the spill port adjacent position of chain resigning cavity.
Wherein, bolt cylinder mounting hole refers to for passing through the bent axle below cylinder head, cylinder block and cylinder for stay bolt
The mounting hole that case achieves a fixed connection.Cylinder body fastener hole refers to for supplying lag bolt directly through the portion on cylinder head and cylinder block
Point flanged structure achieves a butt joint fixed mounting hole.So, four bolt cylinder mounting holes add the structure of a cylinder head fastener hole
The convenience of assembling is ensure that, the reliability being fastenedly connected is ensure that again.
Further, the close water inlet position on the outside of chain resigning cavity is located on the cylinder body mounting surface, is also set up
There is the second cylinder body fastener hole.So, it can preferably improve and ensure the water inlet sealing effectiveness at cylinder head inlet opening.
As optimization, the apopore is located at the valve cap mounting hole and cylinder head air inlet pipe mounting hole of cylinder head inlet valve
Between position, water outlet outer end of hole sets and is connected with faucet obliquely.
So, the installation of outlet conduit can be more facilitated to fix.
As optimization, the water cavity interior lower surface is in the reclinate arc of surrounding.In such manner, it is possible to not reduced as far as possible
Expand water cavity volume on the premise of structural strength, preferably improve cooling effect.
Therefore the present invention has advantages below：1st, water cooling is added on the basis of air-cooled, cylinder temperature is greatly reduced, so as to increase
The service life of the parts such as valve, rocking arm, camshaft.2nd, water circulation directly enters cylinder head from cylinder block by inside, and this is not
The risk of the water nozzle leak from outside water inlet structure is only reduced, and simplifies assembling process, cost is also a saving.
In summary, present invention employs air-cooled and water cooling dual-cooled, with simple in construction, good cooling results, thereon
The advantages of component service life of assembling is long.
Brief description of the drawings
Fig. 1 is the front view of the specific embodiment of the invention.
Fig. 2 is Fig. 1 upward view.
Fig. 3 is Fig. 1 A-A sectional views.
Fig. 4 is Fig. 1 top view.
Fig. 5 is Fig. 3 B-B sectional views.Arrow represents water (flow) direction in figure.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment：As Figure 1-5, a kind of double-cooling cylinder of motorcycle engine structure, including cylinder head
1, cylinder head bottom shapes the inlet and outlet door 2 of combustion chamber of air cylinder's inner upper end and its connection, the shaping of the top of cylinder head 1
Go out camshaft and chamber 3, the cylinder cap mounting surface 4 that the upper end face of cylinder head 1, which also has, to be used for and cylinder head is docked are installed；Cylinder during implementation
Corner location respectively has a cylinder cap mounting hole on lid mounting surface 4；The rear surface of cylinder head 1 is the cylinder for being docked with cylinder block
Body mounting surface 5, the outer surface of cylinder head 1 is provided with the formation air-cooled structure of fin 6 of outwardly convex, wherein, inside the cylinder head 1
The position between chamber lower section is installed positioned at inlet and outlet door top and camshaft and is additionally provided with water cavity 7, the side of water cavity 7 is provided with
The apopore 8 outside cylinder head is communicated to, opposite side is provided with the inlet opening 9 being communicated to outside cylinder head.
So, the present invention on the basis of existing cylinder head air-cooled structure, be additionally arranged water-cooling system and cooled down, it is air-cooled and
Water cooling is acted on simultaneously, and Cylinder Head Temperature can be down to 140 DEG C or so, extends the service life of each component assembled on cylinder head.
Wherein, the inlet opening 9 on the cylinder head is located on cylinder body mounting surface 5, for gentle cylinder interior cooling system
Connect into water.
So, the water cavity of cylinder head is directly entered by water hole from cylinder block, by taking away partial heat above combustion chamber,
Again from cylinder head apopore water outlet；Water circulation directly enters cylinder head from cylinder block by inside, and this is not only reduced enters from outside
The risk of water nozzle leak in water-bound, and assembling process is simplified, it also a saving cost.
Wherein, it is each provided with a vertically communicated cylinder positioned at combustion chamber inner chamber surrounding position on the cylinder body mounting surface 5
The bolt cylinder mounting hole 10 of head；It is empty that the side of four regions of bolt cylinder mounting hole 10 is additionally provided with a chain resigning
A first cylinder head fastener hole 12, one end adjacent of chain resigning cavity 11 are additionally provided with the outside of chamber 11, chain resigning cavity
Spill port 13 is provided with, the inlet opening 9 is located at one end and the adjacent position of spill port 13 of chain resigning cavity.
Wherein, bolt cylinder mounting hole refers to for passing through the bent axle below cylinder head, cylinder block and cylinder for stay bolt
The mounting hole that case achieves a fixed connection.Cylinder body fastener hole refers to for supplying lag bolt directly through the portion on cylinder head and cylinder block
Point flanged structure achieves a butt joint fixed mounting hole.So, four bolt cylinder mounting holes add the structure of a cylinder head fastener hole
The convenience of assembling is ensure that, the reliability being fastenedly connected is ensure that again.
Wherein, the position of close inlet opening 9 on the outside of chain resigning cavity is located on the cylinder body mounting surface, the is additionally provided with
Two cylinder body fastener holes 14.So, it can preferably improve and ensure the water inlet sealing effectiveness at cylinder head inlet opening.
Wherein, the apopore 8 be located at cylinder head inlet valve valve cap mounting hole and cylinder head air inlet pipe mounting hole it
Between position, water outlet outer end of hole sets and is connected with faucet obliquely.
So, the installation of outlet conduit can be more facilitated to fix.
Wherein, the interior lower surface of water cavity 7 is in the reclinate arc of surrounding.In such manner, it is possible to not reduce knot as far as possible
Expand water cavity volume on the premise of structure intensity, preferably improve cooling effect.
Therefore the present invention has advantages below：1st, water cooling is added on the basis of air-cooled, cylinder temperature is greatly reduced, so as to increase
The service life of the parts such as valve, rocking arm, camshaft.2nd, water circulation directly enters cylinder head from cylinder block by inside, and this is not
The risk of the water nozzle leak from outside water inlet structure is only reduced, and simplifies assembling process, cost is also a saving.And if
The mode of water inlet outside from engine cylinder head, one is that producer's machine plus difficulty are increased, and fit dimension slightly deviation, the magnitude of interference is larger
Assembling water nozzle can be made difficult, the magnitude of interference is smaller to make water nozzle loosen leak；Two be that outer water collecting nozzle needs water pipe and clip, these
Increase the cost of engine product.The inner inlet mode that the present invention is used, is directly docked, no by cylinder head with cylinder block
Reduced by only cylinder head, who most connects the risk of leak and the difficulty of processing of producer, and it is also simplified to have saved engine cost
The assembly technology of engine.
Claims (6)
1. a kind of double-cooling cylinder of motorcycle engine structure, including cylinder head, cylinder head bottom shape cylinder combustion
The inlet and outlet door of chamber interior upper end and its connection is burnt, cylinder head top shapes camshaft and installs chamber, cylinder head upper end
The cylinder cap mounting surface that surface, which also has, to be used for and cylinder head is docked；Cylinder head rear surface is the cylinder body for being docked with cylinder block
Mounting surface, cylinder head outer surface is provided with the fin formation air-cooled structure of outwardly convex, it is characterised in that inside the cylinder head
The position between chamber lower section is installed positioned at inlet and outlet door top and camshaft and is additionally provided with water cavity, water cavity side is provided with company
The apopore led to outside cylinder head, opposite side is provided with the inlet opening being communicated to outside cylinder head.
2. double-cooling cylinder of motorcycle engine structure as claimed in claim 1, it is characterised in that the cylinder head
On inlet opening be located at cylinder body mounting surface on, connect for gentle cylinder interior cooling system into water.
3. double-cooling cylinder of motorcycle engine structure as claimed in claim 2, it is characterised in that the cylinder body peace
It is located at the bolt cylinder mounting hole that combustion chamber inner chamber surrounding position is each provided with a vertically communicated cylinder head on dress face；Four gas
The side of cylinder bolt mounting holes region is additionally provided with the outside of a chain resigning cavity, chain resigning cavity and is additionally provided with one
Individual first cylinder head fastener hole, one end adjacent of chain resigning cavity is provided with spill port, and the inlet opening is stepped down positioned at chain
One end of cavity and spill port adjacent position.
4. double-cooling cylinder of motorcycle engine structure as claimed in claim 3, it is characterised in that the cylinder body peace
It is located at the close water inlet position on the outside of chain resigning cavity on dress face, is additionally provided with the second cylinder body fastener hole.
5. double-cooling cylinder of motorcycle engine structure as claimed in claim 1, it is characterised in that the apopore
Position between the valve cap mounting hole and cylinder head air inlet pipe mounting hole of cylinder head inlet valve, water outlet outer end of hole is obliquely
Set and be connected with faucet.
6. double-cooling cylinder of motorcycle engine structure as claimed in claim 1, it is characterised in that in the water cavity
Wall lower surface is in the reclinate arc of surrounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197483.2A CN106979094A (en) | 2017-03-29 | 2017-03-29 | Double-cooling cylinder of motorcycle engine structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197483.2A CN106979094A (en) | 2017-03-29 | 2017-03-29 | Double-cooling cylinder of motorcycle engine structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979094A true CN106979094A (en) | 2017-07-25 |
Family
ID=59338571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710197483.2A Pending CN106979094A (en) | 2017-03-29 | 2017-03-29 | Double-cooling cylinder of motorcycle engine structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979094A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628009A (en) * | 2020-12-21 | 2021-04-09 | 安徽竞道动力科技有限公司 | Cylinder head structure of water-cooled engine of motorcycle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2209217Y (en) * | 1993-12-29 | 1995-10-04 | 王霖 | Motorcycle's engine |
| CN2674130Y (en) * | 2003-11-04 | 2005-01-26 | 金城集团有限公司 | Cylinder head of four-stroke, water cooling engine |
| CN201129227Y (en) * | 2007-12-25 | 2008-10-08 | 胡大杰 | Water-cooling motorcycle engine |
| CN201180575Y (en) * | 2008-03-21 | 2009-01-14 | 胡大杰 | Air/water cooled engine of motorcycle |
| CN105840336A (en) * | 2016-05-24 | 2016-08-10 | 力帆实业(集团)股份有限公司 | Cylinder head assembly of motorcycle engine |
| CN206874375U (en) * | 2017-03-29 | 2018-01-12 | 力帆实业(集团)股份有限公司 | A kind of double-cooling cylinder of motorcycle engine structure |
-
2017
- 2017-03-29 CN CN201710197483.2A patent/CN106979094A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2209217Y (en) * | 1993-12-29 | 1995-10-04 | 王霖 | Motorcycle's engine |
| CN2674130Y (en) * | 2003-11-04 | 2005-01-26 | 金城集团有限公司 | Cylinder head of four-stroke, water cooling engine |
| CN201129227Y (en) * | 2007-12-25 | 2008-10-08 | 胡大杰 | Water-cooling motorcycle engine |
| CN201180575Y (en) * | 2008-03-21 | 2009-01-14 | 胡大杰 | Air/water cooled engine of motorcycle |
| CN105840336A (en) * | 2016-05-24 | 2016-08-10 | 力帆实业(集团)股份有限公司 | Cylinder head assembly of motorcycle engine |
| CN206874375U (en) * | 2017-03-29 | 2018-01-12 | 力帆实业(集团)股份有限公司 | A kind of double-cooling cylinder of motorcycle engine structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628009A (en) * | 2020-12-21 | 2021-04-09 | 安徽竞道动力科技有限公司 | Cylinder head structure of water-cooled engine of motorcycle |
| CN112628009B (en) * | 2020-12-21 | 2021-11-09 | 安徽竞道动力科技有限公司 | Cylinder head structure of water-cooled engine of motorcycle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170725 |