CN102465752A - Cooling water passage structure of water-cooled engine - Google Patents
Cooling water passage structure of water-cooled engine Download PDFInfo
- Publication number
- CN102465752A CN102465752A CN2010105436470A CN201010543647A CN102465752A CN 102465752 A CN102465752 A CN 102465752A CN 2010105436470 A CN2010105436470 A CN 2010105436470A CN 201010543647 A CN201010543647 A CN 201010543647A CN 102465752 A CN102465752 A CN 102465752A
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- water
- cooling
- crankcase
- cooling water
- water passage
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Abstract
The invention discloses a cooling water passage structure of a water-cooled engine which at least comprises a cylinder body, a cylinder head and a crank case, wherein the cylinder head is arranged above the cylinder body, the downside of the cylinder body is connected to the crank case, the crank case is provided with a right crank case, a right crank case cover and a left crank case, the engine is provided with a cooling water passage, one end of the cooling water passage is connected with a water pump, and the other end of the cooling water passage is communicated to a cylinder water jacket. The cooling water passage structure is mainly characterized in that the cooling water channel is provided with a first water passage, a second water passage and a third water passage, the first water passage is connected with the water pump and arranged on the right crank case and the right crank case cover, the second water passage is connected with the first water passage and arranged on the left crank case, the first water passage and the second water passage are positioned below crank axial lines of the crank cases, the third water passage is connected with the second water passage and communicated with the cylinder water jacket in an external connection manner, therefore, the first water passage and the second water passage are avoided being damaged due to external factors, and the water-cooled engine can be ensured to operate at a set working temperature.
Description
[technical field]
The invention relates to a kind of water cooling type engine cooling water path structure, particularly about a kind of water cooling type engine cooling water path structure of promoting the thermal diffusivity of cylinder head.
[background technique]
The start of general vehicle; Like motorcycle, all-terrain vehicle etc.; Be after the fresh air that the external world imports is mixed into oil gas with fuel oil, again the oil gas input engine is fired generation power, and the promotion piston to move reciprocatingly; Drive belt speed change mechanism via bent axle and carry out transmission, to reach the purpose of advancing.
And engine is different because of radiating mode, can be divided into two kinds of ventilation type engine and water cooling type engines, and wherein, convention water cooling type engine 1 like Fig. 1, shown in 2, mainly is to be provided with cylinder body 12, cylinder head 13 in crankcase 11; Water pump 16 is established on the right side of this crankcase 11; This water pump 16 is covered with water pump cover 161; This water pump cover 161 is provided with cooling inlet opening 1611, and this cooling inlet opening 1611 is to be connected with the radiator (not shown), and these cylinder body 12 tops are provided with cylinder head 13; Then be provided with a piston 14 in the cylinder body 12, this cylinder body 12 is provided with cooling water inlet 121 and cooling water path 122; This cylinder head 13 is provided with a gas-entered passageway 131 and an exhaust passage 132, and this exhaust passage 132 is provided with outlet pipe 18, has a firing chamber 133 in the place, below of cylinder head 13; And cylinder head 13 is provided with a coolant outlet 134 in addition, and by this, carry cooling water in cylinder body 12 and cylinder head 13, to flow by water pump 16, last cooling water can lead to the radiator (not shown) and dispel the heat, to reach the purpose of cooling engine 1.
For another Fig. 1,2, shown in 3; Because carrying the major impetus source water pump 16 of cooling water is the right side that is arranged at crankcase 11; When water pump 16 is extracted the cooling water inlet 121 be transported to this cylinder body 12 and cooling water path 122 out by the radiator (not shown); This cylinder body 12 and cylinder head 13 just is provided with chain chamber 15 with water pump 16 homonymies, therefore must be by the water-cooling tube 17 of the cooling water delivery outlet 162 external soft materials of water pump 16, and this water-cooling tube 17 is walked around the opposite side of cylinder body 12 belows to cylinder body 12; Be arranged in the cooling water inlet 121 of cylinder body 12, make cooling water be able in cylinder body 12 and cylinder head 13, flow by this.Commonly use the structure of above-mentioned cooling water path; Could make cooling water in cylinder body 12 and cylinder head 13, flow by an external water-cooling tube 17; Because of this water-cooling tube 17 is to be external rubber hose and winding cylinder body 12 belows, and be the top that is positioned at outlet pipe 18, therefore be prone to cause this water-cooling tube 17 to produce cracking because of the influence of outlet pipe 18 high temperature; Make water-cooling tube 17 damages and cause cooling water to leak outside, and then have influence on the normal operation of engine.Therefore how to improve the disappearance of commonly using above-mentioned cooling water path, the important topic that needs to be resolved hurrily for the motorcycle dealer in fact.
[summary of the invention]
For the flimsy disappearance of external water-cooling tube of water cooling type engine is commonly used in solution, and then promote the purpose of the thermal diffusivity of water cooling type engine.
Major technique means of the present invention are that a kind of water cooling type engine cooling water path structure is being provided, and this engine includes cylinder body, cylinder head and crankcase at least; This cylinder body top is provided with cylinder head; And the cylinder body below is to be connected on the crankcase, and this crankcase has right crankcase, right crankcase cover and left crankcase, and this engine is provided with cooling water path; This cooling water path one end is connected with water pump; The other end is to be communicated in cylinder jacket, and it mainly is: this cooling water path has first water channel, second water channel and the 3rd water channel, and this first water channel is to be connected with water pump and to be located at the right crankcase side of crankcase; This first water channel is to be connected with water pump and to be located at right crankcase and right crankcase covers; This second water channel is to be connected with first water channel and to be located on the left crankcase, and this first water channel, second water channel be the crankshaft center line below that is positioned at crankcase, and the 3rd water channel is to be connected with second water channel; And be communicated with cylinder jacket with external mode; Can avoid causing the damage of first water channel, second water channel by this, and then can guarantee that water cooling type engine can operate, and can promote the use effect of water cooling type engine by this under the operating temperature of setting because of extraneous factor.
Described water cooling type engine cooling water path structure; It is characterized in that: this first water channel is to be made up of the cooling water passage of right crankcase and the cooling water passage of right crankcase cover, is situated between between the cooling water passage of this right crankcase and the cooling water passage of right crankcase cover to be provided with sleeve and O shape ring.
Described water cooling type engine cooling water path structure is characterized in that: this second water channel is that the cooling water passage by left crankcase constitutes, and Jie is provided with sleeve and O shape is encircled between the cooling water passage of the cooling water passage of this left crankcase and right crankcase.
Described water cooling type engine cooling water path structure is characterized in that: the 3rd water channel is to be connect with external mode by the cooling water passage outside of left crankcase to establish a water-cooling tube and constituted.
Described water cooling type engine cooling water path structure, it is characterized in that: this water pump is to be arranged at right crankcase to cover.
Described water cooling type engine cooling water path structure is characterized in that: the cooling water passage of this right crankcase is to be shaped with the right crankcase integrally casting, and the cooling water passage of this left crankcase is to be shaped with the left crankcase integrally casting.
Described water cooling type engine cooling water path structure, it is characterized in that: the cooling water passage of this right crankcase cover is to be shaped with the right crankcase cover integrally casting.
Described water cooling type engine cooling water path structure, it is characterized in that: the exterior bottom wall of this first water channel and second water channel and crankcase maintains spacing.
Less important technological means of the present invention; Be that a kind of water cooling type engine cooling water path structure is being provided; By the 3rd water channel is the not homonymy of being located at outlet pipe; Can avoid the 3rd water channel to be deflated the temperatures involved and the easy aging or cracking of pipe by this, and then can guarantee that more water cooling type engine can operate, and can promote the use effect of water cooling type engine by this under the operating temperature of setting.
Described water cooling type engine cooling water path structure, it is characterized in that: the 3rd water channel is the left side that is positioned at engine, this outlet pipe is the right side that extends to engine.
[description of drawings]
Fig. 1 is the water cooling type engine sectional view of commonly using.
Fig. 2 is the water cooling type engine schematic side view of commonly using.
Fig. 3 is the water cooling type engine front-view schematic diagram of commonly using.
Fig. 4 is a water cooling type engine cross-sectional schematic of the present invention.
Fig. 5 is the crankcase exploded view of water cooling type engine of the present invention.
Fig. 6 is a water cooling type engine schematic side view of the present invention.
Fig. 7 is a water cooling type engine front-view schematic diagram of the present invention.
1 water cooling type engine, 11 crankcases
12 cylinder body, 121 cooling water inlets
122 cooling water passages, 113 cylinder heads
131 gas-entered passageways, 132 exhaust passages
133 firing chambers
134 coolant outlets
14 pistons
15 chain chamber
16 water pumps
161 water pump covers
1611 cooling water inlet openings
162 cooling water delivery outlets
17 water-cooling tubes
18 outlet pipes
2 water cooling type engines
3 cylinder body 3a cylinder jackets
4 cylinder heads, 41 outlet pipes
5 crankcases, 51 right crankcases, 511 cooling water passages
52 right crankcase covers, 521 cooling water passages
53 left crankcases, 531 cooling water passages
5a crankshaft center line 5b cooling water inlet
The 5c diapire
6 water pumps, 61 water pump covers, 611 cooling water inlet openings
62 cooling water delivery outlets
7,7a sleeve 71,72O shape ring
8 cooling water path, 81 first water channels, 82 second water channels
83 the 3rd water channel 8a water-cooling tubes
[embodiment]
Be the effect that enables to be easier to understand structure of the present invention and can reach, cooperate graphic explanation like the back now:
Water cooling type engine 2 of the present invention like Fig. 4, shown in 5, includes cylinder body 3, cylinder head 4 and crankcase 5 at least; These cylinder body 3 tops are provided with cylinder head 4; This cylinder body 3 is provided with cylinder jacket 3a; And cylinder body 3 belows are to be connected on the crankcase 5; This crankcase 5 has right crankcase 51, right crankcase cover 52 and left crankcase 53, and this crankcase 5 is provided with cooling water inlet 5b in addition, and this cooling water inlet 5b is connected with cylinder jacket 3a;
This right crankcase 51 is formed with cooling water passage 511 with right crankcase 51 with forging type in crankshaft center line 5a below, and this cooling water passage 511 maintains spacing with the diapire 5c of crankcase 5;
This right crankcase cover 52 is formed with cooling water passage 521 with right crankcase cover 52 with forging type in crankshaft center line 5a below; This cooling water passage 521 maintains spacing with the diapire 5c of crankcase 5; Then be provided with water pump 6 outside this right crankcase cover 52, this water pump 6 is covered with water pump cover 61, and this water pump cover 61 is provided with cooling water inlet opening 611; This cooling water inlet opening 611 is to be connected with cooling water radiator (not drawing in the diagram), and this water pump 6 has cooling water delivery outlet 62;
This left crankcase 53 is formed with cooling water passage 531 with left crankcase 53 with forging type in crankshaft center line 5a below, and this cooling water passage 531 maintains spacing with the diapire 5c of crankcase 5;
Inferiorly see also Fig. 5,6, shown in 7; Be situated between between the cooling water passage 511 of this right crankcase 51 and the cooling water passage 521 of right crankcase cover 52 and be provided with sleeve 7 and O shape ring 71; This O shape ring 71 is to be sheathed on the cooling water passage 521; Make cooling water passage 511 be communicated with by this, and then can form first water channel 81 of cooling water path 8 with cooling water passage 521; Be situated between between the cooling water passage 511 of this right crankcase 51 and the cooling water passage 531 of left crankcase 53 and be provided with sleeve 7a and O shape ring 72; This O shape ring 72 is to be sheathed on the cooling water passage 531; Make cooling water passage 511 be communicated with by this, and then make the cooling water passage 531 of left crankcase 53 form second water channel 82 of cooling water path 8 with cooling water passage 531; Connect with external mode in cooling water passage 531 outsides of left crankcase 53 in addition and establish a water-cooling tube 8a; This water-cooling tube 8a is the left side that is positioned at engine 2; This outlet pipe 41 is the right sides that extend to engine 2, makes the not homonymy of this water-cooling tube 8a in outlet pipe 41 by this, can avoid this water-cooling tube 8a to be deflated the temperatures involved and the easy aging or cracking of pipe 41 by this; This water-cooling tube 8a just can form the 3rd water channel 83 of cooling water path 8; This water-cooling tube 8a is connected in cooling water inlet 5b, so be communicated to cylinder jacket 3a, cooperate Fig. 4 to consult.
The present invention mainly is; By making cooling water passage 511 be communicated with cooling water passage 521; And then can form first water channel 81 of cooling water path 8; That is first water channel 81 that has cooling water path 8 in right crankcase 51 sides of crankcase 5, cooling water passage 511 is communicated with cooling water passage 531, and then makes the cooling water passage 531 of left crankcase 53 form second water channel 82 of cooling water path 8; That is second water channel 82 that has cooling water path 8 in left crankcase 53 sides of crankcase 5; And connect with external mode in cooling water passage 531 (that is the second water channel 82) outside and to establish a water-cooling tube 8a, forming the 3rd water channel 83 of cooling water path 8 by this water-cooling tube 8a, this cooling water path 8 has first water channel 81, second water channel 82 and the 3rd water channel 83 at least; This cooling water path 8 is to be connected with water pump 6 by first water channel 81 by this; In addition be communicated with cylinder jacket 3a, and this first water channel 81 is to be located in the crankcase 5 with second water channel 82, and is below crankshaft center line 5a by the 3rd water channel 83; And first water channel 81 of this cooling water path 8, second water channel 82 maintain spacing with the diapire 5c of crankcase 5, can avoid causing because of extraneous factor the damage of first water channel 81, second water channel 82 by this.
Effect of the present invention is; First water channel 81 and second water channel 82 by cooling water path 8 are to be located in the crankcase 5; And be in crankshaft center line 5a below; Can avoid causing the damage of first water channel 81, second water channel 82 by this, and the 3rd water channel 83 (being water-cooling tube 8a) is the opposite side of being located at outlet pipe 41, can avoids the 3rd water channel 83 (being water-cooling tube 8a) to be deflated the temperatures involved of pipe 41 by this and be prone to aging or cracking because of extraneous factor; In addition first water channel 81, second water channel 82 by this cooling water path 8 maintains spacing with the diapire 5c of crankcase 5; When the diapire 5c of crankcase 5 receives extraneous foreign matter bump; Can avoid first water channel 81, second water channel 82 of cooling water path 8 to suffer damage by the buffering of this spacing; And then can guarantee that water cooling type engine 2 can operate, and can promote the use effect of water cooling type engine 2 by this under the operating temperature of setting.
In sum, the present invention can effectively solve convention water cooling type engine cooling water path disappearance by above-mentioned water cooling type engine cooling water path structure, and can effectively promote the effect of water cooling type engine cooling heat dissipation.
Claims (10)
1. a water cooling type engine cooling water path is constructed; This engine includes cylinder body, cylinder head and crankcase at least, and this cylinder body top is provided with cylinder head, and the cylinder body below is to be connected on the crankcase; This crankcase has right crankcase, right crankcase cover and left crankcase; This engine is provided with cooling water path, and this cooling water path one end is connected with water pump, and the other end is to be communicated in cylinder jacket; It is characterized in that: this cooling water path has first water channel, second water channel and the 3rd water channel; This first water channel is to be connected with water pump and to be located at right crankcase and right crankcase covers, and this second water channel is to be connected with first water channel and to be located on the left crankcase, and this first water channel, second water channel are the crankshaft center line belows that is positioned at crankcase; The 3rd water channel is to be connected with second water channel, and is communicated with cylinder jacket with external mode.
2. water cooling type engine cooling water path structure as claimed in claim 1; It is characterized in that: this first water channel is to be made up of the cooling water passage of right crankcase and the cooling water passage of right crankcase cover, is situated between between the cooling water passage of this right crankcase and the cooling water passage of right crankcase cover to be provided with sleeve and O shape ring.
3. water cooling type engine cooling water path structure as claimed in claim 1; It is characterized in that: this second water channel is that the cooling water passage by left crankcase constitutes, and is situated between between the cooling water passage of the cooling water passage of this left crankcase and right crankcase and is provided with sleeve and O shape ring.
4. water cooling type engine cooling water path as claimed in claim 1 structure is characterized in that: the 3rd water channel is to be connect with external mode by the cooling water passage outside of left crankcase to establish a water-cooling tube and constituted.
5. water cooling type engine cooling water path structure as claimed in claim 1, it is characterized in that: the 3rd water channel and outlet pipe are positioned at the not homonymy of engine.
6. water cooling type engine cooling water path structure as claimed in claim 5, it is characterized in that: the 3rd water channel is the left side that is positioned at engine, this outlet pipe is the right side that extends to engine.
7. water cooling type engine cooling water path structure as claimed in claim 1, it is characterized in that: this water pump is to be arranged at right crankcase to cover.
8. water cooling type engine cooling water path structure as claimed in claim 2 is characterized in that: the cooling water passage of this right crankcase is to be shaped with the right crankcase integrally casting, and the cooling water passage of this left crankcase is to be shaped with the left crankcase integrally casting.
9. water cooling type engine cooling water path structure as claimed in claim 2, it is characterized in that: the cooling water passage of this right crankcase cover is to be shaped with the right crankcase cover integrally casting.
10. water cooling type engine cooling water path structure as claimed in claim 1, it is characterized in that: the exterior bottom wall of this first water channel and second water channel and crankcase maintains spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010543647.0A CN102465752B (en) | 2010-11-08 | 2010-11-08 | Cooling water passage structure of water-cooled engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010543647.0A CN102465752B (en) | 2010-11-08 | 2010-11-08 | Cooling water passage structure of water-cooled engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102465752A true CN102465752A (en) | 2012-05-23 |
| CN102465752B CN102465752B (en) | 2014-01-01 |
Family
ID=46069804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010543647.0A Expired - Fee Related CN102465752B (en) | 2010-11-08 | 2010-11-08 | Cooling water passage structure of water-cooled engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102465752B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343572A (en) * | 2013-08-02 | 2015-02-11 | 光阳工业股份有限公司 | Engine cooling channel configuration |
| CN107829814A (en) * | 2017-11-24 | 2018-03-23 | 刘勇 | Water cool motorcycle engine cooling water path constructs |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187308A (en) * | 1992-01-13 | 1993-07-27 | Mazda Motor Corp | Cylinder block of v-type engine |
| JP2001098940A (en) * | 1999-09-30 | 2001-04-10 | Suzuki Motor Corp | Engine cooling structure for snow vehicle |
| CN2743563Y (en) * | 2004-11-17 | 2005-11-30 | 重庆宗申技术开发研究有限公司 | Engine crank box of bistroke motorcycle |
| CN1755074A (en) * | 2004-09-29 | 2006-04-05 | 本田技研工业株式会社 | Apparatus for supplying cool water |
| CN2911202Y (en) * | 2006-09-15 | 2007-06-13 | 胡大杰 | Water cooling motorcycle engine |
-
2010
- 2010-11-08 CN CN201010543647.0A patent/CN102465752B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187308A (en) * | 1992-01-13 | 1993-07-27 | Mazda Motor Corp | Cylinder block of v-type engine |
| JP2001098940A (en) * | 1999-09-30 | 2001-04-10 | Suzuki Motor Corp | Engine cooling structure for snow vehicle |
| CN1755074A (en) * | 2004-09-29 | 2006-04-05 | 本田技研工业株式会社 | Apparatus for supplying cool water |
| CN2743563Y (en) * | 2004-11-17 | 2005-11-30 | 重庆宗申技术开发研究有限公司 | Engine crank box of bistroke motorcycle |
| CN2911202Y (en) * | 2006-09-15 | 2007-06-13 | 胡大杰 | Water cooling motorcycle engine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104343572A (en) * | 2013-08-02 | 2015-02-11 | 光阳工业股份有限公司 | Engine cooling channel configuration |
| CN104343572B (en) * | 2013-08-02 | 2018-05-25 | 光阳工业股份有限公司 | The cooling duct configuration of engine |
| CN107829814A (en) * | 2017-11-24 | 2018-03-23 | 刘勇 | Water cool motorcycle engine cooling water path constructs |
| CN107829814B (en) * | 2017-11-24 | 2024-05-10 | 重庆天祈昱峰动力科技有限公司 | Cooling water passage structure of water-cooled motorcycle engine |
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| Publication number | Publication date |
|---|---|
| CN102465752B (en) | 2014-01-01 |
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Granted publication date: 20140101 Termination date: 20171108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |