CN203214339U - Water pump assembly for diesel engine - Google Patents
Water pump assembly for diesel engine Download PDFInfo
- Publication number
- CN203214339U CN203214339U CN 201320172557 CN201320172557U CN203214339U CN 203214339 U CN203214339 U CN 203214339U CN 201320172557 CN201320172557 CN 201320172557 CN 201320172557 U CN201320172557 U CN 201320172557U CN 203214339 U CN203214339 U CN 203214339U
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- Prior art keywords
- water pump
- belt
- pulley
- pump body
- water
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Abstract
The utility model provides a water pump assembly for a diesel engine. The water pump assembly comprises a belt pulley, a belt pulley hub, a water pump body, a water seal and an impeller which is matched with a volute of the water pump body, wherein the belt pulley hub is arranged in the belt pulley and is fixedly connected to one end of the water pump body together with the belt pulley; the water seal is fixedly arranged on a water pump bearing in the other end of the water pump body; the impeller is fixed to a shaft between the water pump bearing and the water seal; the other end of the water pump body is covered by a pump cover. The water pump assembly for the diesel engine has the advantages of a simple, compact and novel structure, a smaller size than those of other types of water pumps of the same level and convenience in arrangement in various compact small-sized diesel engines, and has the characteristics of light weight, small pressure fluctuation, stable work, reliable performance and long service life.
Description
Technical field
The utility model relates to a kind of water pump complement, particularly relates to a kind of water pump complement for diesel engine.
Background technique
At present, the water pump complement that is used for the diesel motor to technical requirements than higher, for example, need under engine speed 700rpm-7200rpm condition, realize pump rotary speed 6680r/min, flow 95L/min, lift 12m, 92 ± 2 ℃ of temperature, velocity ratio 1:1.67, peak output is 0.8KW etc.Therefore do not have the enterprise self-determining design at home, all be the domestic introduction production of external design in the past, and these design that often volume is bigger, and impeller shape causes that the liquid flow resistance is bigger, owes rationally with the volute matching gap, causes defectives such as water pump complement flow and noise shakiness.
The model utility content
The technical problems to be solved in the utility model is big in order to overcome in the prior art water pump complement volume, and the liquid flow resistance is bigger, with the defective of volute matching gap, provides a kind of water pump complement for diesel engine.
The utility model is to solve above-mentioned technical problem by following technical proposals: a kind of water pump complement for diesel engine, it comprises a belt pulley, one belt-pulley hub, one pump body, one water seal and one and the impeller of the volute of described pump body coupling, its characteristics are: described belt-pulley hub is arranged in the described belt pulley, and be fixed in an end of described water pump body together with described belt pulley, be fixed with a water seal on the water pump bearing in the other end of described pump body, described impeller be fixed between described water pump bearing and the described water seal the axle on, the other end of described pump body is by a pump cover capping.
Preferably, described belt pulley has a wheel hub chamber that is used for installing described belt-pulley hub, the outer wall in described wheel hub chamber is provided with some belt wheel races, and the bottom surface in described wheel hub chamber offers some mounting holes, and described belt-pulley hub is fixed in the described wheel hub chamber by described mounting hole.
This Water-pump belt wheel profile novelty, processability of product structure are good, transmit steadily reliably, and noise is low.In operation process, belt is difficult for skidding, and reaches the water pump complement technical requirement on design.In addition, the belt wheel end cap also symmetric arrangement two dismounting process holes, can convenient for maintaining.
Preferably, described wheel hub chamber is a cylindrical body, and described belt wheel race is at least three, and the spacing of per two adjacent described belt wheel races is 2.5mm.
Preferably, the bottom surface in described wheel hub chamber is a circumferential surface, and described mounting hole is four, and the diameter of each described mounting hole is 6.5mm.
Preferably, described belt pulley is formed by the thick steel plate spinning of 3mm.Described belt pulley need not following process by a rotary press modelling, reduces the manufacturing cost.
Preferably, described belt-pulley hub is affixed by hexagon head bolt and described belt pulley and described pump body.The belt-pulley hub of this water pump complement is mainly used to the engine crankshaft rotation is passed to water pump bearing by belt wheel, to drive the water pump rotation, need satisfy in the full speed range of motor, realizes that water pump is steady, reliable operation.
Preferably, described impeller is provided with 5 twisted shape blades, and the cornerite of each this blade is 105 °, and the outlet laying angle of each this blade is 20 °, and the outlet diameter of described impeller is 52mm, and going out open height is 9mm.
The design of described impeller shape goes out gap matching such as cooling liquid cavity space size with turbocharger housing structure, inspiration in the pump housing good, and performance is optimized to be stablized.
Preferably, be provided with a sealing gasket between the other end of described pump body and the described pump cover.
Preferably, described pump cover is fixed in the other end of described pump body by several sunk screws.
Positive progressive effect of the present utility model is: the utility model is used for the water pump complement novelty simple and compact for structure of diesel engine, and the water pump of volume other kinds at the same level relatively is little, and is convenient to be arranged in the miniature diesel engine of various compactnesses.This water pump complement in light weight, pressure surge is little, working stability, reliable performance and life-span are long.
Description of drawings
Fig. 1 is used for the explosive view of the water pump complement preferred embodiment of diesel engine for the utility model.
Fig. 2 is used for the structural representation of the water pump complement preferred embodiment middle belt pulley of diesel engine for the utility model.
Fig. 3 is used for the structural representation of the water pump complement preferred embodiment belt-pulley hub of diesel engine for the utility model.
Fig. 4 is used for the structural representation of the water pump complement preferred embodiment impeller of diesel engine for the utility model.
Embodiment
Embodiment of the present utility model describes with reference to the accompanying drawings.In Figure of description, the element with similar structure or function will be used the components identical symbolic representation.Accompanying drawing is each embodiment of the present utility model for convenience of explanation just, is not to carry out the explanation of exhaustive to the utility model, neither limit scope of the present utility model.
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
As Fig. 1-shown in Figure 4, the utility model is used for the water pump complement of diesel engine, and it comprises the impeller 7 that a belt pulley 2, a belt-pulley hub 3, a pump body 4, a water seal 6 and mate with the volute 11 of pump body 4.Wherein, belt-pulley hub 3 is arranged in the belt pulley 2, and together with pack into an end of water pump body 4 of belt pulley 2.Belt pulley 2 and belt-pulley hub 3 are fixed on the end of water pump body 4 by hexagon head bolt 1.Have a water pump bearing 5 in the other end of pump body 4, in the volute 11 of the pump body 4 of packing into together again after water seal 6 is packed on the water pump bearing 5, impeller 7 is packed on the axle between water pump bearing 5 and the water seal 6, and with volute 11 coupling.At last, the other end of pump body 4 is by a pump cover 9 cappings, especially can be provided with a sealing gasket 8 between the other end of pump body 4 and pump cover 9, by several sunk screws 10 pump cover 9 and sealing gasket 8 is fixed on the other end of pump body 4 again.
As shown in Figure 2, belt pulley 2 has a wheel hub chamber 21 that is used for installing belt-pulley hub 3, outer wall in wheel hub chamber 21 is provided with some belt wheel races 22, and the bottom surface in wheel hub chamber 21 offers some mounting holes 23, and belt-pulley hub 3 is fixed in the wheel hub chamber 21 by mounting hole 23 like this.This Water-pump belt wheel profile novelty, processability of product structure are good, transmit steadily reliably, and noise is low.In operation process, belt is difficult for skidding, and reaches the water pump complement technical requirement on design.In addition, the belt wheel end cap also symmetric arrangement two dismounting process holes, can convenient for maintaining.Wherein, wheel hub chamber 21 is a cylindrical body, and belt wheel race 22 is at least 3, and the spacing A between per two adjacent belt wheel races 22 is 2.5mm.In addition, the bottom surface in wheel hub chamber 21 is a circumferential surface, and mounting hole 23 is four, and the diameter of each mounting hole 23 is 6.5mm.Preferably, belt pulley 2 is formed by the thick steel plate spinning of 3mm, and the belt pulley that this mode forms need not following process, has reduced the manufacturing cost.
Especially, the datum diameter in wheel hub chamber 21 can be set to 90mm, and the belt wheel width is 33.5mm to the maximum, and the mounting hole 23 that uniform four diameters are 6.5mm on the circumference of belt pulley 2 is to install and fix belt-pulley hub.Simultaneously, in order to satisfy the small pump assembly needs are installed, on form structure, design indicates miniaturization and compactedness have satisfied minitype motivation diesel engine needs.After belt wheel and belt-pulley hub installed and fixed, belt passed to belt wheel to the rotation of engine crankshaft, and belt wheel passes to belt-pulley hub to this rotation again, and last belt-pulley hub drives pump operation.
As shown in figures 1 and 3, belt-pulley hub 3 is affixed with belt pulley 2 and pump body 4 by hexagon head bolt 1.The belt-pulley hub of this water pump complement is mainly used to the engine crankshaft rotation is passed to water pump bearing by belt wheel, to drive the water pump rotation, need satisfy in the full speed range of motor, realizes that water pump is steady, reliable operation.Especially, the diameter of belt-pulley hub 3 can be set at 54mm, and the shaft hole diameter of belt-pulley hub 3 can be set to 15.86mm, and on the circumference on the belt-pulley hub 3 uniform four tapped through holes 31 to install and fix belt wheel.So both satisfied the moment of torsion delivery request, and satisfied the small pump assembly again needs are installed, on form structure, design indicates miniaturization and compactedness have satisfied minitype motivation diesel engine needs.
In addition, impeller 7 is provided with 5 twisted shape blades 71, and the cornerite of each this blade 71 is 105 °, and the outlet laying angle of each this blade 71 is 20 °, and the outlet diameter of impeller 7 is 52mm, and going out open height is 9mm.The outlet of described blade is vertical with the back shroud of described impeller.Impeller in the existing design adopts plain vane, shown between the import of blade and the outlet parallel and with shown in the back shroud of impeller perpendicular, there are problems in it.To this, the described impeller shape design of adopting in the utility model goes out gap matching such as cooling liquid cavity space size with turbocharger housing structure, the inspiration in the pump housing good, and performance is optimized to be stablized.
The water pump complement working principle of said structure is: water pump links to each other with engine crankshaft by belt, and when engine start, along with the rotation of bent axle, belt drives the belt pulley rotation of water pump.Belt is connected with belt-pulley hub by hex head bolt, and belt-pulley hub and water pump bearing are rigidly connected.The annex that the belt pulley rotation drives on water pump bearing and the axle rotates together, and impeller produces negative pressure at the cooling liquid inlet place moment when rotating at a high speed, and cooling liquid is inhaled into impeller and rotates with impeller one superhigh speed under the atmospheric pressure effect.Under the impeller centrifugal action, cooling liquid is thrown away from pump housing outlet, enter in the motor through the cooling channel of cylinder body again and circulate, take away the heat of motor, thereby motor is cooled off, go round and begin again.
In sum, the water pump complement that the utility model is used for diesel engine provides a kind of stability of flow, pressure stability, noise is little, volume is little and lightweight water pump, realize effective coupling of autonomous Design assembly and key components and parts structure thereof, satisfy the needs that the miniature diesel power engine uses.
Though more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make numerous variations or modification to these mode of executions under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.
Claims (9)
1. water pump complement that is used for diesel engine, it comprises a belt pulley, a belt-pulley hub, a pump body, a water seal and one and the impeller of the volute coupling of described pump body, it is characterized in that: described belt-pulley hub is arranged in the described belt pulley, and be fixed in an end of described water pump body together with described belt pulley, be fixed with a water seal on the water pump bearing in the other end of described pump body, described impeller be fixed between described water pump bearing and the described water seal the axle on, the other end of described pump body is by a pump cover capping.
2. water pump complement as claimed in claim 1, it is characterized in that, described belt pulley has a wheel hub chamber that is used for installing described belt-pulley hub, the outer wall in described wheel hub chamber is provided with some belt wheel races, the bottom surface in described wheel hub chamber offers some mounting holes, and described belt-pulley hub is fixed in the described wheel hub chamber by described mounting hole.
3. water pump complement as claimed in claim 2 is characterized in that, described wheel hub chamber is a cylindrical body, and described belt wheel race is at least three, and the spacing of per two adjacent described belt wheel races is 2.5mm.
4. water pump complement as claimed in claim 3 is characterized in that, the bottom surface in described wheel hub chamber is a circumferential surface, and described mounting hole is four, and the diameter of each described mounting hole is 6.5mm.
5. water pump complement as claimed in claim 2 is characterized in that, described belt pulley is formed by the thick steel plate spinning of 3mm.
6. water pump complement as claimed in claim 1 is characterized in that, described belt-pulley hub is affixed by hexagon head bolt and described belt pulley and described pump body.
7. water pump complement as claimed in claim 1 is characterized in that, described impeller is provided with 5 twisted shape blades, the cornerite of each this blade is 105 °, the outlet laying angle of each this blade is 20 °, and the outlet diameter of described impeller is 52mm, and going out open height is 9mm.
8. water pump complement as claimed in claim 1 is characterized in that, is provided with a sealing gasket between the other end of described pump body and the described pump cover.
9. water pump complement as claimed in claim 8 is characterized in that, described pump cover is fixed in the other end of described pump body by several sunk screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320172557 CN203214339U (en) | 2013-04-08 | 2013-04-08 | Water pump assembly for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320172557 CN203214339U (en) | 2013-04-08 | 2013-04-08 | Water pump assembly for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214339U true CN203214339U (en) | 2013-09-25 |
Family
ID=49203883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320172557 Expired - Fee Related CN203214339U (en) | 2013-04-08 | 2013-04-08 | Water pump assembly for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214339U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100565A (en) * | 2013-04-08 | 2014-10-15 | 上海乾通汽车附件有限公司 | Water pump assembly used for diesel engines |
| CN104265438A (en) * | 2014-09-11 | 2015-01-07 | 河南飞龙(芜湖)汽车零部件有限公司 | Water pump assembly |
-
2013
- 2013-04-08 CN CN 201320172557 patent/CN203214339U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100565A (en) * | 2013-04-08 | 2014-10-15 | 上海乾通汽车附件有限公司 | Water pump assembly used for diesel engines |
| CN104265438A (en) * | 2014-09-11 | 2015-01-07 | 河南飞龙(芜湖)汽车零部件有限公司 | Water pump assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI XINGFU MOTORCYCLE CO., LTD. Free format text: FORMER OWNER: SHANGHAI QIANTONG AUTOMOBILE ACCESSORY CO., LTD. Effective date: 20150123 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201814 JIADING, SHANGHAI TO: 201999 BAOSHAN, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150123 Address after: 201999 No. 998 Tongji Road, Shanghai, Baoshan District Patentee after: Shanghai Xingfu Motorcycle Co., Ltd. Address before: 201814 Shanghai city Jiading District Bai'an Road No. 168 Patentee before: Shanghai Qiantong Automobile Accessory Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20170408 |