CN101943047B - Cooling system of engine cylinder - Google Patents
Cooling system of engine cylinder Download PDFInfo
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- CN101943047B CN101943047B CN2010102436765A CN201010243676A CN101943047B CN 101943047 B CN101943047 B CN 101943047B CN 2010102436765 A CN2010102436765 A CN 2010102436765A CN 201010243676 A CN201010243676 A CN 201010243676A CN 101943047 B CN101943047 B CN 101943047B
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- heat
- cam chain
- conducting piece
- cylinder
- cooling system
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Abstract
The invention provides a cooling system of an engine cylinder, belonging to the technical field of motorcycle engines and solving the problems of complicated structure, difficult processing, poor stability, and the like of the cooling system of a traditional engine cylinder. The cooling system of the engine cylinder comprises an engine cylinder body with a cylinder hole, one side of the engine cylinder body is provided with a cam chain chamber for mounting a cam chain, heat radiating ribs are arranged at other sides of the engine cylinder body, the cam chain chamber is internally provided with a heat-conducting piece, both outer walls of the heat-conducting piece are respectively attached to the outer lateral wall of the engine cylinder body and the inner lateral wall of the cam chain chamber, and the heat-conducting piece is made from a metal material. The invention has the advantages of good radiation effect, convenient processing and mounting and engine vibration and noise reduction.
Description
Technical field
The invention belongs to the motorcycle engine technical field, particularly a kind of cooling system of cylinder, particularly a kind of cooling system of automobile-used four-stroke air cooling engine cylinder.
Background technique
The cooling means of vehicle motor mainly contains water-cooled and air-cooled, in water cooled engine, mainly is on cylinder block, to design water jacket; Utilize the circulation of cooling liquid to reduce the temperature of engine cylinder; In air cooling engine; Mainly be to utilize the area of contact of radiating fin and air to reduce the temperature of cylinder block, but transmit the heat of inner surface, thereby caused the rising of temperature at the common any medium useless of the cylinder block of this side of cam chain; Local heating causes piston to be prone to scuffing of cylinder bore, phenomenons such as piston eccentric wear.
Because cylinder block generally adopts cast member, be difficult in cam one side design radiating fin and use a side shaping die to accomplish.For this reason; Someone designed a kind of " cooling system of cylinder " (application number: 96105947.8, notice of authorization number: CN1077204C), in this system; The cam chain that is used for installing drive valve motion mechanism is arranged on a side of cylinder; Cooling fin then is arranged on the opposite side of cylinder, and the place is provided with the oil duct that communicates with oil pump at the cam chain chamber outer wall, and lubricant oil sprays to the outer wall of cylinder through oil duct.Though this structure can will play cooling effect, and the cam chain chamber is transformed, and communicates with oil pump in order to make the oil duct on the cam chain chamber; When production and processing, need also need process oil duct to other component; But also to consider that lubricant oil is sprayed onto on the outer wall of cylinder the back to the backflow of lubricant oil, and processing design trouble, cost of production is high; Simultaneously as long as wherein place's oil circuit goes wrong; The cooling system of that engine cylinder body will receive very big influence, and the countercylinder body is not lowered the temperature not even again, and stability is bad.
Summary of the invention
The objective of the invention is to exist above-mentioned problem to existing cylinder, the cooling system of a kind of simplicity of design, good heat dissipation effect, cylinder that cost of production is low is provided.
The object of the invention can be realized through following technical proposal: a kind of cooling system of cylinder; Comprise engine cylinder body with cylinder hole; A described cylinder block wherein side has the cam chain chamber that is used for the mounting cam chain; All has radiating fin on other side of cylinder block; It is characterized in that described cam chain is indoor to be provided with heat-conducting piece and described heat-conducting piece two outer walls are close to respectively on cylinder block outer side wall and the indoor sidewall of cam chain, described heat-conducting piece adopts metallic material to process.
Motor is when work; Form high temperature in the engine cylinder body cylinder hole and be delivered on the outer wall of cylinder block; Wherein on the cylinder block outer wall wherein the heat of a side be delivered on the cam chain chamber through heat-conducting piece, and utilize the area of contact of cam chain chamber outer wall and air to reduce the temperature of cylinder block, and other side of cylinder block utilizes the area of contact of radiating fin and air to reduce the temperature of cylinder block; Thereby make engine cylinder body cylinder hole that uniform thermal expansion arranged, avoid the cylinder bore deformation.
In the cooling system of above-mentioned cylinder, have symmetrically arranged cambered surface groove on described cylinder block outer side wall and the indoor sidewall of cam chain, be the arc surface that is complementary with described cambered surface groove at above-mentioned heat-conducting piece two outer walls.Make heat-conducting piece be positioned on cylinder block outer side wall and the indoor sidewall of cam chain like this and can double swerve, improve stability.
In the cooling system of above-mentioned cylinder, described heat-conducting piece is fixed with rubber sheet gasket on the upper-end surface.Can reduce the vibration and the noise of motor through rubber sheet gasket, and play fixing heat-conducting piece and prevent the effect that comes off.
In the cooling system of above-mentioned cylinder, described heat-conducting piece has draw-in groove on the upper-end surface, has card base and described card base on the described rubber sheet gasket and fixes in draw-in groove.Make being fixed on the heat-conducting piece that rubber sheet gasket can be firm like this, rubber sheet gasket is occurring being convenient for changing rubber sheet gasket again when damaged simultaneously.
Compared with prior art; The cooling system of this cylinder through be arranged on the indoor heat-conducting piece of cam chain with the heat transfer on the cylinder block to the cam chain chamber outer wall; Make cylinder block also can transmit the inboard heat of cylinder block like this, thereby the outer side surface of cylinder block all can be dispelled the heat, make engine cylinder body cylinder hole that uniform thermal expansion arranged in this side of cam chain; Avoid the distortion in cylinder hole, convenient processing and installation, cost of production are low; Simultaneously on heat-conducting piece, be fixed with rubber sheet gasket, play the vibration and the noise that reduce motor, also play the fixedly effect of heat-conducting piece simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a sectional structure schematic representation of the present invention.
Fig. 3 is the structural representation of heat-conducting piece among the present invention.
Fig. 4 is the structural representation of rubber sheet gasket among the present invention.
Among the figure, 1, cylinder block; 11, cylinder hole; 2, cam chain chamber; 3, heat-conducting piece; 31, draw-in groove; 32, arc surface; 4, rubber sheet gasket; 41, card base; 5, radiating fin.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technological scheme of the present invention is done further to describe, but the present invention is not limited to these embodiments.
As depicted in figs. 1 and 2, the cooling system of this cylinder comprises the engine cylinder body 1 with cylinder hole 11, cylinder block 1 wherein a side have the cam chain chamber 2 that is used for the mounting cam chain, on other side of cylinder block 1, all have radiating fin 5.
As shown in Figures 2 and 3; In cam chain chamber 2, be provided with the middle part that heat-conducting piece 3 and heat-conducting piece 3 are positioned at cam chain chamber 2; On cylinder block 1 outer side wall and cam chain chamber 2 madial walls, has symmetrically arranged cambered surface groove; 3 liang of outer walls of heat-conducting piece are the arc surface 32 that is complementary with the cambered surface groove, and 3 liang of outer walls of heat-conducting piece are close to respectively on cylinder block 1 outer side wall and cam chain chamber 2 madial walls.Through arc surface 32 drive fit with the cambered surface groove, make heat-conducting piece 3 be positioned on cylinder block 1 outer side wall and cam chain chamber 2 madial walls and can double swerve, improve stable.And, therefore, heat-conducting piece 3 can easily heat-conducting piece 3 be disassembled when needing to change because cylinder block 1 outer side wall and cam chain chamber 2 madial walls of heat-conducting piece 3 and cam chain chamber 2 are close contact.
Like Fig. 3 and shown in Figure 4; Being fixed with rubber sheet gasket 4 and rubber sheet gasket 4 on heat-conducting piece 3 upper-end surfaces covers on heat-conducting piece 3 upper-end surfaces fully; Wherein on heat-conducting piece 3 upper-end surfaces, have two draw-in grooves 31, have two card bases 41 that are complementary with draw-in groove 31 on the rubber sheet gasket 4 and card bases 41 fix in draw-in groove 31.Make being fixed on the heat-conducting piece 3 that rubber sheet gasket 4 can be firm like this, rubber sheet gasket 4 is occurring being convenient for changing rubber sheet gasket 4 again when damaged simultaneously, and can reduce the vibration and the noise of motor through rubber sheet gasket 4.
When mounted, make cam chain pass cam chain chamber 2 earlier, again heat-conducting piece 3 and rubber sheet gasket 4 are installed in the cam chain chamber 2.Motor is when work; Engine cylinder body 1 cylinder hole, 11 interior formation high temperature also are delivered on the outer wall of cylinder block 1; Wherein on the cylinder block outer wall wherein the heat of a side be delivered on the cam chain chamber 2 through heat-conducting piece 3; And the area of contact of utilizing cam chain chamber 2 outer walls and air reduces the temperature of cylinder block 1; And other side of cylinder block 1 utilizes the radiating fin 5 and the area of contact of air to reduce the temperature of cylinder block, thereby makes engine cylinder body 1 cylinder hole 11 that uniform thermal expansion arranged, and avoids 11 distortion of cylinder hole.The cross-section area of heat-conducting piece 3 is confirmed by required heat dissipating capacity simultaneously.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (4)
1. the cooling system of a cylinder; Comprise engine cylinder body (1) with cylinder hole (11); Described cylinder block (a 1) wherein side has the cam chain chamber (2) that is used for the mounting cam chain; All has radiating fin (5) on other side of cylinder block (1); It is characterized in that, be provided with heat-conducting piece (3) and described heat-conducting piece (3) two outer walls in the described cam chain chamber (2) and be close to respectively on cylinder block (1) outer side wall and cam chain chamber (2) madial wall that described heat-conducting piece (3) adopts metallic material to process.
2. the cooling system of cylinder according to claim 1; It is characterized in that; Have symmetrically arranged cambered surface groove on described cylinder block (1) outer side wall and cam chain chamber (2) madial wall, be the arc surface (32) that is complementary with described cambered surface groove at above-mentioned heat-conducting piece (3) two outer walls.
3. the cooling system of cylinder according to claim 1 and 2 is characterized in that, described heat-conducting piece (3) is fixed with rubber sheet gasket (4) on the upper-end surface.
4. the cooling system of cylinder according to claim 3 is characterized in that, described heat-conducting piece (3) has draw-in groove (31) on the upper-end surface, has card base (41) and described card base (41) on the described rubber sheet gasket (4) and fixes in draw-in groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102436765A CN101943047B (en) | 2010-08-03 | 2010-08-03 | Cooling system of engine cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102436765A CN101943047B (en) | 2010-08-03 | 2010-08-03 | Cooling system of engine cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101943047A CN101943047A (en) | 2011-01-12 |
| CN101943047B true CN101943047B (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102436765A Active CN101943047B (en) | 2010-08-03 | 2010-08-03 | Cooling system of engine cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101943047B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463991A (en) * | 1993-07-23 | 1995-11-07 | Ing. H.C.F. Porsche Ag | Cylinder head threaded connection arrangement |
| CN201025145Y (en) * | 2006-12-22 | 2008-02-20 | 三阳工业股份有限公司 | Heat radiation structure for gas jar |
| CN201723295U (en) * | 2010-08-03 | 2011-01-26 | 浙江钱江摩托股份有限公司 | Cooling system of engine cylinder |
-
2010
- 2010-08-03 CN CN2010102436765A patent/CN101943047B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5463991A (en) * | 1993-07-23 | 1995-11-07 | Ing. H.C.F. Porsche Ag | Cylinder head threaded connection arrangement |
| CN201025145Y (en) * | 2006-12-22 | 2008-02-20 | 三阳工业股份有限公司 | Heat radiation structure for gas jar |
| CN201723295U (en) * | 2010-08-03 | 2011-01-26 | 浙江钱江摩托股份有限公司 | Cooling system of engine cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101943047A (en) | 2011-01-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lv Junchao Inventor after: Deng Dinghong Inventor after: Tong Yu Inventor after: Jiang Jiakai Inventor after: Hu Junfeng Inventor before: Lv Junchao Inventor before: Deng Dinghong Inventor before: Tong Yu Inventor before: Jiang Jiakai Inventor before: Hu Junfeng |
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| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221017 Address after: No. 169, Jinping Avenue, Chengdong Street, Wenling City, Taizhou City, Zhejiang Province 317500 Patentee after: Zhejiang Meikeda Motorcycle Co.,Ltd. Address before: 317500 Wanchang Road 318, Taiping Street, Wenling City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG QIANJIANG MOTORCYCLE Co.,Ltd. |
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| TR01 | Transfer of patent right |