CN202628604U - Water pump for vehicle engine - Google Patents
Water pump for vehicle engine Download PDFInfo
- Publication number
- CN202628604U CN202628604U CN 201220225985 CN201220225985U CN202628604U CN 202628604 U CN202628604 U CN 202628604U CN 201220225985 CN201220225985 CN 201220225985 CN 201220225985 U CN201220225985 U CN 201220225985U CN 202628604 U CN202628604 U CN 202628604U
- Authority
- CN
- China
- Prior art keywords
- water pump
- impeller
- pump cover
- axial
- volute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a water pump for a vehicle engine. The water pump for the vehicle engine comprises a volute, an impeller, an O-shaped ring, a water seal, a water pump cover, a bearing, a belt pulley and a hub, wherein the water pump is single-stage, semi-open and centrifugal; the volute and the water pump cover are connected into a whole by a first group of bolts and are sealed by adopting the O-shaped ring; the impellers are positioned in the cavity formed by the volute and the water pump cover; the shaft holes of the impellers and the moving shaft of the bearing are connected together by interference fit; the moving ring of the water seal is connected with the moving shaft of the bearing by interference fit; the static ring of the water seal is connected with the shaft hole of the water pump cover by interference fit; the hub and the belt pulley are connected into a whole by a second group of bolts; and axial through holes are formed at the positions, close to the shaft holes, between adjacent blades of the impeller. According to the water pump for the vehicle engine, the axial through holes are formed between the blades of the impeller, so that cooling fluid directly cools the water seal through the axial through holes of the impeller; and the pressures of the two end surfaces of the impeller are balanced by the cooling fluid through the axial through holes of the impeller, so that the pressure difference between the two end surfaces is reduced, the axial stress of the impeller is reduced, and the axially moving string of the impeller is avoided.
Description
Technical field
The utility model belongs to motor car engine pump technology field, is specifically related to a kind of motor car engine water pump.
Background technique
The motor car engine water pump adopts single-stage, half-open, centrifugal usually.The rotating ring of water seal and stationary ring relative rotation speed are up to 3000 rev/mins during pump working; Produce a large amount of heats and cause temperature to raise, the cooling of water seal at present utilizes the cooling liquid in the gap of impeller and water pump cover to take away heat, and cooling effect is poor; Very easily cause the water seal high temperature failure, and then water pump is revealed.
There is pressure difference in the impeller both ends of the surface during pump working, make impeller bear axial stress, cause the fretting wear of impeller axial motion and impeller and bearing, produce to lose efficacy.
Summary of the invention
The purpose of the utility model is to provide a kind of simple in structure, easy to process, motor car engine water pump that can effectively cool off water seal, balance impeller both ends of the surface pressure.
The technological scheme of the utility model: the motor car engine water pump of the utility model comprises volute, impeller, O type circle, water seal, water pump cover, bearing, belt pulley, wheel hub; Water pump is a single-stage, half-open, centrifugal; First group of bolt connects as one volute and water pump cover, and adopts O type circle to seal; Impeller is positioned at the die cavity of volute and water pump cover formation, and the axis hole of impeller and the moving axis of bearing adopt interference fit to link together; The rotating ring of water seal and the moving axis of bearing adopt interference fit to link together, and the stationary ring of water seal and the axis hole of water pump cover adopt interference fit to link together; Wheel hub and belt pulley are connected as one by second group of bolt.
Design axial hole near the axis hole place between the adjacent blades of described impeller.
Described axial hole 2c is the through hole of diameter of phi=3mm.
The technique effect of the utility model: the utility model first Application on engine water pump, through between the blade of impeller near the axial hole of axis hole place processing Φ 3mm.Make cooling liquid pass through the pressure of axial hole balance impeller both ends of the surface of gap and the impeller of impeller and water pump cover, reduce the pressure difference between the impeller both ends of the surface, reduce the axial stress of impeller, inefficacies such as the axial motion, impeller of avoiding impeller and a fretting wear.Cooling liquid is directly cooled off water seal through the axial hole of impeller, and forms convection current at the axial hole of impeller and the gap of impeller and water pump cover, takes away a large amount of heats that water seal produces rapidly, reduces the water seal temperature, avoids the high temperature failure of water seal.
Description of drawings
Fig. 1 is the general structure schematic representation of the utility model.
Fig. 2 is the impeller axial hole partial structurtes schematic representation of the utility model.
Embodiment
Fig. 1 is the general structure schematic representation of the utility model: the motor car engine water pump of the utility model comprises volute 1, impeller 2, O type circle 3, water seal 4, water pump cover 5, bearing 7, belt pulley 8, wheel hub 9; It is characterized in that: water pump is a single-stage, half-open, centrifugal; First group of bolt 6 connects as one volute 1 and water pump cover 5, and adopts O type circle 3 to seal; Impeller 2 is positioned at the die cavity of volute 1 and water pump cover 5 formation, and the moving axis of the axis hole of impeller 2 and bearing 7 adopts interference fit to link together; The moving axis of the rotating ring of water seal 4 and bearing 7 adopts interference fit to link together, and the axis hole of the stationary ring of water seal 4 and water pump cover 5 adopts interference fit to link together; Wheel hub 9 is connected as one by second group of bolt 10 with belt pulley 8.
Fig. 2 is the impeller axial hole partial structurtes schematic representation of the utility model: design axial hole 2c near axis hole 2b place between the adjacent blades 2a of described impeller 2.Axial hole 2c is diameter of phi=3mm through hole.
Claims (3)
1. motor car engine water pump; Comprise volute (1), impeller (2), O type circle (3), water seal (4), water pump cover (5), bearing (7), belt pulley (8), wheel hub (9); It is characterized in that: water pump is a single-stage, half-open, centrifugal; First group of bolt (6) connects as one volute (1) and water pump cover (5), and adopts O type circle (3) to seal; Impeller (2) is positioned at the die cavity of volute (1) and water pump cover (5) formation, and the moving axis of the axis hole of impeller (2) and bearing (7) adopts interference fit to link together; The moving axis of the rotating ring of water seal (4) and bearing (7) adopts interference fit to link together, and the axis hole of the stationary ring of water seal (4) and water pump cover (5) adopts interference fit to link together; Wheel hub (9) is connected as one by second group of bolt (10) with belt pulley (8).
2. motor car engine water pump according to claim 1 is characterized in that: locate to design axial hole (2c) near axis hole (2b) between the adjacent blades (2a) of impeller (2).
3. motor car engine water pump according to claim 2 is characterized in that: axial hole (2c) is the through hole of diameter of phi=3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220225985 CN202628604U (en) | 2012-05-18 | 2012-05-18 | Water pump for vehicle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220225985 CN202628604U (en) | 2012-05-18 | 2012-05-18 | Water pump for vehicle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202628604U true CN202628604U (en) | 2012-12-26 |
Family
ID=47381809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220225985 Expired - Fee Related CN202628604U (en) | 2012-05-18 | 2012-05-18 | Water pump for vehicle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202628604U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615404A (en) * | 2013-11-29 | 2014-03-05 | 长城汽车股份有限公司 | Engine water pump |
| 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 |
| CN106989053A (en) * | 2017-04-28 | 2017-07-28 | 威隼汽车科技（宁波）有限公司 | A kind of auto pump |
-
2012
- 2012-05-18 CN CN 201220225985 patent/CN202628604U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615404A (en) * | 2013-11-29 | 2014-03-05 | 长城汽车股份有限公司 | Engine water pump |
| 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 |
| CN106989053A (en) * | 2017-04-28 | 2017-07-28 | 威隼汽车科技（宁波）有限公司 | A kind of auto pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2008094801A3 (en) | Method and device for reducing axial thrust and radial oscillations and rotary machines using same | |
| JP2015021477A5 (en) | ||
| CN202628604U (en) | Water pump for vehicle engine | |
| CN101988511B (en) | Pipeline shielding structural electric pump working in manner of internal circulation | |
| CN106438457A (en) | Half-opened impeller and low-flow super high-lift multiple-stage centrifugal pump with same | |
| CN104976133A (en) | High temperature water pump of mechanical seal and vortex pump closed type self-circular system | |
| CN2784625Y (en) | Improved hot-water circulating pump | |
| CN207920880U (en) | The double-impeller pump of symmetrical impeller arrangement | |
| CN202280628U (en) | Magnetic pump | |
| CN202867353U (en) | Engine water pump with cooling holes and water storage groove | |
| CN203297108U (en) | Motor magnetic drive pump | |
| CN202047996U (en) | Low-noise leak-free circulating pump | |
| CN204213039U (en) | The auto pump that a kind of thermal diffusivity is good | |
| CN202756276U (en) | Horizontal type overlong multi-stage pump | |
| CN203813562U (en) | A novel motor end cap water cooling structure | |
| CN202901187U (en) | High-speed prime motor | |
| CN203570599U (en) | Water pump for pickup truck | |
| CN203809636U (en) | Open type symmetrically-supported high-speed fluid coupling | |
| CN107524610A (en) | A kind of Magnetic driving formula high-temperature resistant pump | |
| CN103775386B (en) | A kind of engine water pump | |
| CN206377060U (en) | A kind of impeller and its electric water pump with front shroud | |
| CN207297382U (en) | Small pump and small pump pump group | |
| CN206397751U (en) | A kind of cold centrifugal pump of liquid without shaft seal structure | |
| CN204419614U (en) | Low noise riser electric pump | |
| CN103122874B (en) | Shaft-seal-free high temperature pump |
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: 20121226 Termination date: 20150518 |
|
| EXPY | Termination of patent right or utility model |