CN203978848U - Long lifetime brushless direct-current water pump - Google Patents
Long lifetime brushless direct-current water pump Download PDFInfo
- Publication number
- CN203978848U CN203978848U CN201420293091.8U CN201420293091U CN203978848U CN 203978848 U CN203978848 U CN 203978848U CN 201420293091 U CN201420293091 U CN 201420293091U CN 203978848 U CN203978848 U CN 203978848U
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- rotor
- stator
- pump case
- brushless direct
- long lifetime
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Abstract
The utility model discloses a kind of long lifetime brushless direct-current water pump, it comprises pump case, front cover, rear end cover, rotor, stator and divider, stator arranges in the stator cavity of pump case, rotor arranges in the rotor chamber of pump case by graphite bushing, and is provided with in the bottom of this rotor chamber the cooling opening that the rotating shaft of axle sleeve and rotor is exposed; The utility model reasonable in design is ingeniously provided with cooling opening in rotor chamber, can allow liquid enter between axle sleeve and the rotating shaft of rotor and be lubricated with cooling, effectively reduce frictional force and loss, and then increase the service life, good operating stability, and select graphite bushing at two ends, high lubricating effect, further reduce friction, thereby reduce vibration, reduce noise, work more stable, reliable, efficiency is high; In addition, water outlet and described water intake are on same axis, and not only water inlet and outlet is smooth and easy, improve water supply effect, and installation, easy to use, can be applicable to the assembling of some occasion, meet the different demands of installing and using.
Description
Technical field
The utility model relates to pump technology field, is specifically related to a kind of long lifetime brushless direct-current water pump.
Background technique
Water pump is the machinery of carrying liquid or making liquid supercharging.It sends the mechanical energy of prime mover or other external energies to liquid, liquid energy is increased, be mainly used to carry liquid to comprise water, oil, acid & alkali liquid, emulsified liquid, suspended emulsion and liquid metal etc., also can carry liquid, gaseous mixture and the liquid containing suspended solids.
Axle sleeve in existing brushless direct-current water pump is all enclosed in rotor chamber, liquid cannot enter between axle sleeve and the rotating shaft of rotor and be lubricated with cooling, after long-time use, heating value is larger, serious wear, and frictional force is larger, cause unnecessary energy loss, the serious stuck phenomenon that also there will be, cause water pump cisco unity malfunction, greatly shorten the working life of water pump.
Model utility content
For above-mentioned deficiency, the purpose of this utility model is, provides a kind of structural design ingenious, reasonable, can have to allow liquid enter between axle sleeve and the rotating shaft of rotor to be lubricated with cooling, and good operation stability, the long lifetime brushless direct-current water pump of long service life.
For achieving the above object, technological scheme provided by the utility model is: a kind of long lifetime brushless direct-current water pump, it comprises pump case, front cover, rear end cover, rotor, stator and divider, the front-end face neutral position of described pump case inwardly concaves and forms a rotor chamber that is used for arranging rotor, the peripheral position in the ear end face respective rotor chamber of this pump case inwardly concaves and forms a stator cavity that is used for arranging stator, described stator arranges in this stator cavity, described rotor arranges in rotor chamber by axle sleeve, and be provided with the cooling opening that the rotating shaft of axle sleeve and rotor is exposed in the bottom of this rotor chamber, described impeller is arranged in the rotating shaft of stator, described front cover and rear end cover corresponding lid are combined in the two ends of pump case.
As a kind of improvement of the present utility model, described axle sleeve is graphite bushing.Adopt graphite bushing, its high lubricating effect, can effectively reduce frictional force, increases work efficiency.
As a kind of improvement of the present utility model, described impeller is double shrouded wheel, can effectively increase water lift of pump.
As a kind of improvement of the present utility model, described front cover is provided with water intake, and described rear end cover is provided with water outlet, and this water outlet and described water intake are on same axis.Not only water inlet and outlet is smooth and easy, improves water supply effect, and installation, easy to use, can be applicable to the assembling of some occasion, meets the different demands of installing and using.
The beneficial effects of the utility model are: the utility model reasonable in design, ingeniously in rotor chamber, be provided with cooling opening, can allow liquid enter between axle sleeve and the rotating shaft of rotor is lubricated with cooling, frictional force is little, loss is low, ensure normal operation, good operating stability, effectively increases the service life.And select graphite bushing at two ends, and high lubricating effect, further reduces friction, thereby reduces vibration, reduces noise, move more stablely, reliably, and working efficiency is high; In addition, water outlet and described water intake are on same axis, and not only water inlet and outlet is smooth and easy, improve water supply effect, and installation, easy to use, can be applicable to the assembling of some occasion, meet the different demands of installing and using, and are beneficial to wide popularization and application.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Brief description of the drawings
Fig. 1 is perspective view of the present utility model.
Fig. 2 is the complete section structural representation of Fig. 1.
Fig. 3 is the decomposition texture schematic diagram one of Fig. 1.
Fig. 4 is the decomposition texture schematic diagram two of Fig. 1.
Embodiment
Referring to Fig. 1 to Fig. 4, a kind of long lifetime brushless direct-current water pump that the present embodiment provides, it comprises pump case 1, front cover 2, rear end cover 3, rotor 4, stator 5 and impeller 6, the front-end face neutral position of described pump case 1 inwardly concaves and forms a rotor chamber that is used for arranging rotor 4, the peripheral position in the ear end face respective rotor chamber of this pump case 1 inwardly concaves and forms a stator cavity that is used for arranging stator 5, described stator 5 arranges in this stator cavity, then by the closure of openings of this stator cavity, described rotor 4 arranges in rotor chamber by axle sleeve 9, and be provided with the cooling opening 10 that axle sleeve 9 and the rotating shaft of rotor 4 are exposed in the bottom of this rotor chamber, described axle sleeve 9 is preferably graphite bushing.Its high lubricating effect, can effectively reduce frictional force, increases work efficiency.Described impeller 6 is arranged in the rotating shaft of stator.Described front cover 2 and rear end cover 3 corresponding lids are combined in the two ends of pump case 1.
Preferably, also comprise divider 7, this divider 7 is arranged on the opening of described rotor chamber, can prevent that large particle foreign matter from entering between rotor and stator, avoid blocking rotor phenomenon, and then ensure normal operation, good operating stability, further increases the service life.Concrete, described divider 7 comprises a circular body 71, the central position of this circular body 71 is provided with an axis hole, this axis hole is provided with the graphite bushing 51 suitable with the rotating shaft of described stator 5, the inner chamber bottom surface of described rotor chamber is provided with the axle sleeve 9 suitable with the rotating shaft of described stator 5, equally, this axle sleeve 9 is preferably graphite bushing.Adopt graphite bushing, its high lubricating effect, can effectively reduce frictional force, increases work efficiency.The periphery of described circular body 71 is the center of circle and is arranged with many fixed connecting rods 72, and is provided with the location and installation groove 11 suitable with this fixed connecting rod 72 on described pump case 1.The quantity of fixed connecting rod 72 is preferably four.When installation, can make fixed connecting rod 72 and this location and installation groove 11 align mutually, then be placed in location and installation groove 11, and paste and fix by glue, can locate on the opening that is fixed on rotor chamber.Better, the position between can also corresponding adjacent two fixed connecting rods 72 is provided with breach 73 in described circular body 71.Be provided with breach 73, can allow water enter cooling time, can prevent that again large particle foreign matter from entering, further ensure the stability of operation and increase the service life.
In the present embodiment, described impeller 6 is preferably double shrouded wheel, can effectively increase water lift of pump.In other embodiment, can adopt unshrouded impeller and the half-opened impeller etc. of other type.
Described front cover 2 is provided with water intake 21, and described rear end cover 3 is provided with water outlet 31, has axial clearance to form water channel 8 between the outer side wall of rotor chamber and the madial wall of pump case 1.Preferably, described water outlet 31 and described water intake 21 are on same axis.Be that water outlet 31 and described water intake 21 are 180 degree, not only water inlet and outlet is smooth and easy, improves water supply effect, and installation, easy to use, can be applicable to the assembling of some occasion, meets the different demands of installing and using.For convenience of installing, can on water intake 21, be provided with internal thread, and on water outlet 31, be provided with outside thread, be convenient to install fast in use and use, greatly increase work efficiency.Cooling opening 10 also with described water outlet 31, described water intake 21 on same axis.
When work, switch on power, rotor 4 impeller 6 are rotated, and liquid is entered in pump case 1 by water intake 21, and flows out from water outlet 31 fast through water channel 8.Meanwhile, partially liq can be entered between axle sleeve 9 and the rotating shaft of rotor 4 by cooling opening 10, realizes the object of lubrication and cooling, effectively ensures the stability of work and increases the service life.And when there being large particle foreign matter to enter pump case 1 when interior by water intake 21, under the barrier effect of divider 7, effectively prevent that large particle foreign matter from entering between rotor 4 and stator, ensure further to increase the service life normally operation.Preferably, the control mode of the utility model long lifetime brushless direct-current water pump adopts sensorless control mode, both counterelectromotive force control techniques.What adopt is the counterelectromotive force that Analogical Electronics is tested it, and its advantage is to have saved three position transducers, makes the simple of long lifetime brushless direct-current water pump structure change, is applicable to operation steady in a long-term.This control mode has also increased the protection under the different situations of work of long lifetime brushless direct-current water pump, high pressure, low pressure, overcurrent, overheated, lack of water, time delay etc.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned mode of execution.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition,, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model, adopt other water pump same or analogous with it, all in the utility model protection domain.
Claims (4)
1. a long lifetime brushless direct-current water pump, it is characterized in that, it comprises pump case, front cover, rear end cover, rotor, stator and divider, the front-end face neutral position of described pump case inwardly concaves and forms a rotor chamber that is used for arranging rotor, the peripheral position in the ear end face respective rotor chamber of this pump case inwardly concaves and forms a stator cavity that is used for arranging stator, described stator arranges in this stator cavity, described rotor arranges in rotor chamber by axle sleeve, and be provided with the cooling opening that the rotating shaft of axle sleeve and rotor is exposed in the bottom of this rotor chamber, impeller is arranged in the rotating shaft of stator, described front cover and rear end cover corresponding lid are combined in the two ends of pump case.
2. long lifetime brushless direct-current water pump according to claim 1, is characterized in that: described axle sleeve is graphite bushing.
3. long lifetime brushless direct-current water pump according to claim 1 and 2, is characterized in that: described impeller is double shrouded wheel.
4. long lifetime brushless direct-current water pump according to claim 1 and 2, is characterized in that: described front cover is provided with water intake, and described rear end cover is provided with water outlet, and this water outlet and described water intake are on same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293091.8U CN203978848U (en) | 2014-06-04 | 2014-06-04 | Long lifetime brushless direct-current water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293091.8U CN203978848U (en) | 2014-06-04 | 2014-06-04 | Long lifetime brushless direct-current water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978848U true CN203978848U (en) | 2014-12-03 |
Family
ID=51976300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420293091.8U Expired - Fee Related CN203978848U (en) | 2014-06-04 | 2014-06-04 | Long lifetime brushless direct-current water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203978848U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989050A (en) * | 2017-04-10 | 2017-07-28 | 华中科技大学 | A kind of Hydrodynamic float mechanical pump |
| CN107676307A (en) * | 2017-11-08 | 2018-02-09 | 重庆超力高科技股份有限公司 | Electronic water pump water circulation structure and electronic water pump |
-
2014
- 2014-06-04 CN CN201420293091.8U patent/CN203978848U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989050A (en) * | 2017-04-10 | 2017-07-28 | 华中科技大学 | A kind of Hydrodynamic float mechanical pump |
| CN106989050B (en) * | 2017-04-10 | 2018-11-02 | 华中科技大学 | A kind of Hydrodynamic float mechanical pump |
| CN107676307A (en) * | 2017-11-08 | 2018-02-09 | 重庆超力高科技股份有限公司 | Electronic water pump water circulation structure and electronic water pump |
| CN107676307B (en) * | 2017-11-08 | 2024-01-12 | 重庆超力高科技股份有限公司 | Electronic water pump water circulation structure and electronic water pump |
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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: 20141203 Termination date: 20150604 |
|
| EXPY | Termination of patent right or utility model |