CN202370640U - Water pump mounting structure of motor cycle engine - Google Patents
Water pump mounting structure of motor cycle engine Download PDFInfo
- Publication number
- CN202370640U CN202370640U CN 201120335989 CN201120335989U CN202370640U CN 202370640 U CN202370640 U CN 202370640U CN 201120335989 CN201120335989 CN 201120335989 CN 201120335989 U CN201120335989 U CN 201120335989U CN 202370640 U CN202370640 U CN 202370640U
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- CN
- China
- Prior art keywords
- water pump
- water
- engine
- waste gas
- labyrinth
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- Expired - Fee Related
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Abstract
The utility model discloses a water pump mounting structure of a motor cycle engine. The water pump mounting structure comprises a water pump and an engine cylinder head, wherein the water pump comprises a water pump body, a water pump cover and a pump shaft which is arranged in the water pump body; a timing chain, a timing driven chain wheel and a camshaft are arranged in the engine cylinder head; the timing driven chain wheel is fixed on the camshaft through a fastening bolt; the water pump body is arranged on the engine cylinder head; and the pump shaft is meshed with a groove formed in the fastening bolt. According to the utility model, the chain wheel fastening bolt on the camshaft is used for transmitting torque to the pump shaft, so that power loss of the engine is little; and waste gas of a crank case is discharged through a waste gas nozzle of the water pump, so that a waste gas exhaust port of the crank case is saved, as a result, the engine has a compact structure and a small occupied space.
Description
Technical field
The utility model relates to a kind of water pump, is specifically related to a kind of motorcycle engine pump attachment structure of water.
Background technique
At present; Water pump on the cooling engine for motor cycle water is installed in the crankcase right side usually and covers; By bent axle, oil pump or clutch gear etc. as the input motivational drive, the waterexit end of water pump directly with engine cylinder-body on water channel be communicated with, feed-water end then passes through pipeline and is communicated with water outlet of water tank.
Chinese patent CN200610035091.8 discloses a kind of engine water pump.Be made up of water pump cover, water pump, bent axle, disk lid, water pump spindle is fixed in the bearing through spring by card, and water pump spindle (10) links to each other with bent axle (17), and bent axle (17) one ends have prong or top jag screw.
Chinese patent CN200810070240.3 discloses a kind of water-cooling motorcycle engine water pump; Comprise water pump spindle, water pump vane and water pump gear; Water pump vane and water pump gear are connected to the two ends of water pump spindle, and water pump spindle directly is supported on right crankcase rotationally and covers.
The defective of existing water pump is: the loss engine power is bigger.
The model utility content
The purpose of the utility model is the deficiency to existing technology, and a kind of compact structure, pump attachment structure of water that the loss engine power is little are provided.
For achieving the above object, the utility model adopts following technological scheme:
The motorcycle engine pump attachment structure of water; Comprise water pump and engine cylinder head; Said water pump comprises water pump body, water pump cover and is located at the pump shaft in the water pump body, is provided with timing chain, correct time driven sprocket and camshaft in the said engine cylinder head, and said correct time, driven sprocket was fixed on the said camshaft through a clamping bolt; Said water pump body is located on the said engine cylinder head, the groove engagement of being opened on said pump shaft and the said clamping bolt.
Further, said water pump body bottom seals is located on the said cylinder head chain chamber.
Further, said chain chamber is communicated with said water pump body annular groove.
Further, said water pump cover is provided with first labyrinth, and said first labyrinth is communicated with said water pump body annular groove.
Further, said water pump body is provided with second labyrinth, and said second labyrinth is communicated with said first labyrinth.
Further, said water pump also is provided with waste gas mouth, and said waste gas mouth is communicated with said second labyrinth.
The utlity model has following beneficial effect: (1) the utility model is given pump shaft through camshaft upper sprocket wheel clamping bolt transmitting torque, and the engine power loss is little; (2) crankcase waste gas is got rid of through the water pump waste gas mouth, saved the crankcase waste gas relief opening, make engine structure compact, it is little to take up space.
Description of drawings
Fig. 1 is the plan view of the utility model;
Fig. 2 is the sectional view of the water pump of the utility model;
Fig. 3 is the water pump and the engine cylinder head mounting structure schematic representation of the utility model, crankcase waste gas is shown gets in the water pump body annular groove from the chain chamber, and arrow wherein is the crankcase waste gas flow direction;
Fig. 4 is the utility model water pump body rear view, and it illustrates crankcase waste gas and gets in the water pump body annular groove from the chain chamber, and arrow wherein is the crankcase waste gas flow direction;
Fig. 5 is the utility model water pump body front view, and it illustrates crankcase waste gas and gets into first labyrinth from the water pump body annular groove, and waste gas gets into waste gas mouth from second labyrinth, and arrow wherein is the crankcase waste gas flow direction;
Fig. 6 is for being another view of the utility model water pump body, and it illustrates crankcase waste gas and gets into second labyrinth from first labyrinth, and arrow wherein is the crankcase waste gas flow direction.
Embodiment
For structure, characteristic and effect thereof to the utility model, can have and further understand and be familiar with, lift a preferred embodiment at present, and be described with reference to the accompanying drawings as follows:
Shown in Fig. 1-3, the described motorcycle engine pump attachment structure of water of the utility model comprises water pump 1 and engine cylinder head 2.Shown in Fig. 1-2; Said water pump comprises water pump body 11, water pump cover 12 and is located at the pump shaft 17 in the water pump body; Be provided with the water pump packing pad 13 that is used to seal between said water pump body 11 and the water pump cover 12, said pump shaft 17 is located in the bearing 14, also is provided with impeller 16 on it; Be provided with bearing baffle 18 under the said bearing 14, also be provided with water seal 15 in the said water pump.As shown in Figure 1, said water pump also is provided with intake pipe 19, outlet pipe 10 and waste gas mouth 30.
As shown in Figure 3; Be provided with timing chain 26, correct time driven sprocket 23 and camshaft 24 in the said engine cylinder head 2; Said correct time, driven sprocket 23 was fixed on the said camshaft 24 through a clamping bolt 22; Said water pump body 11 is located on the said engine cylinder head 2, groove 22 engagements of being opened on said pump shaft 17 and the said clamping bolt.Engine crank-connecting rod drives timing chain 26 and rotates, and timing chain 26 drives clamping bolts 22, correct time driven sprocket 23 and camshaft 24 work, also starts working with the pump shaft 17 of clamping bolt 22 engagements simultaneously, accomplishes the engine interior water cycle.
The rotation of pump shaft 17 drives water pump vane 16 and produces pressure; Thereby the hot water that engine cylinder head 2 is connected with cylinder block 11 in the water cavity gets into water pumps through intake pipe 19 shown in Figure 1; Get in the motor external water tank from outlet pipe 10 shown in Figure 1 again; And the water of external water tank gets into cylinder head 2 through what install on the cylinder head 2 by temperature controlled thermostat; The water that cylinder head 2 is connected with cylinder block in the water cavity passes through water pump 1 again, and the running that so goes round and begins again forms the motor whole water circulating system, thereby reaches the effect of the hot machine of cooled engine.
Further, shown in Fig. 3-6, said water pump body 11 bottom seals are located on the said cylinder head chain chamber 21.Said chain chamber 21 is communicated with said water pump body annular groove 111.Crankcase waste gas comes out from chain chamber 21, and waste gas gets into water pump body annular groove 111 through the chain chamber.Shown in water pump cover 12 be provided with first labyrinth 121, said first labyrinth 121 is communicated with said water pump body annular groove.Said waste gas gets into water pump cover through annular groove 112, circulation in first labyrinth 121.Said water pump body 11 is provided with second labyrinth 112, and said second labyrinth 112 is communicated with said first labyrinth 121.Said waste gas gets into water pump body second labyrinth 112 through water pump cover first labyrinth 121.Said water pump also is provided with waste gas mouth 30, and said waste gas mouth 30 connects 112 with said second labyrinth and is communicated with.The waste gas that comes out from water pump body second labyrinth 112 directly is discharged to air filter through the waste gas mouth on the water pump 30.
The utility model is given pump shaft through camshaft upper sprocket wheel clamping bolt transmitting torque, and the engine power loss is little; Crankcase waste gas is got rid of through the water pump waste gas mouth, saved the crankcase waste gas relief opening, make engine structure compact, it is little to take up space.
The above is merely the preferred embodiment of the utility model; It is not the practical range that limits the utility model with this; Allly be familiar with this operator; The principle and the technical characteristics of utilization the utility model, various changes and the decoration done all should be covered by within the protection category that these claims define.
Claims (6)
1. motorcycle engine pump attachment structure of water; Comprise water pump and engine cylinder head, said water pump comprises water pump body, water pump cover and is located at the pump shaft in the water pump body, is provided with timing chain, correct time driven sprocket and camshaft in the said engine cylinder head; Said correct time, driven sprocket was fixed on the said camshaft through a clamping bolt; It is characterized in that said water pump body is located on the said engine cylinder head, the groove engagement of being opened on said pump shaft and the said clamping bolt.
2. motorcycle engine pump attachment structure of water as claimed in claim 1 is characterized in that, said water pump body bottom seals is located on the said cylinder head chain chamber.
3. motorcycle engine pump attachment structure of water as claimed in claim 2 is characterized in that, said chain chamber is communicated with said water pump body annular groove.
4. motorcycle engine pump attachment structure of water as claimed in claim 3 is characterized in that said water pump cover is provided with first labyrinth, and said first labyrinth is communicated with said water pump body annular groove.
5. motorcycle engine pump attachment structure of water as claimed in claim 4 is characterized in that said water pump body is provided with second labyrinth, and said second labyrinth is communicated with said first labyrinth.
6. motorcycle engine pump attachment structure of water as claimed in claim 5 is characterized in that said water pump also is provided with waste gas mouth, and said waste gas mouth is communicated with said second labyrinth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120335989 CN202370640U (en) | 2011-09-08 | 2011-09-08 | Water pump mounting structure of motor cycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120335989 CN202370640U (en) | 2011-09-08 | 2011-09-08 | Water pump mounting structure of motor cycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202370640U true CN202370640U (en) | 2012-08-08 |
Family
ID=46594346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120335989 Expired - Fee Related CN202370640U (en) | 2011-09-08 | 2011-09-08 | Water pump mounting structure of motor cycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202370640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485058A (en) * | 2014-09-18 | 2016-04-13 | 苏州金鼎机械制造有限公司 | Cooling water pump for air cooling engine |
-
2011
- 2011-09-08 CN CN 201120335989 patent/CN202370640U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485058A (en) * | 2014-09-18 | 2016-04-13 | 苏州金鼎机械制造有限公司 | Cooling water pump for air cooling engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20140908 |
|
| EXPY | Termination of patent right or utility model |