CN203978858U - Anti-blocking brushless direct-current water pump - Google Patents
Anti-blocking brushless direct-current water pump Download PDFInfo
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- CN203978858U CN203978858U CN201420293103.7U CN201420293103U CN203978858U CN 203978858 U CN203978858 U CN 203978858U CN 201420293103 U CN201420293103 U CN 201420293103U CN 203978858 U CN203978858 U CN 203978858U
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- blocking
- pump case
- brushless direct
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Abstract
The utility model discloses a kind of anti-blocking brushless direct-current water pump, it comprises pump case, front cover, rear end cover, rotor, stator, impeller and divider, forward and backward end cap corresponding lid is combined in the two ends of pump case, the recessed rotor chamber that forms in front-end face neutral position of pump case, ear end face peripheral position inwardly concaves and forms a stator cavity, and described divider is arranged on the opening of this rotor chamber; The utility model structural design is ingenious, reasonable, is equipped with divider, can effectively prevent that large particle foreign matter from entering between rotor and stator, guarantees normally operation, and good operating stability, effectively increases the service life.And select graphite bushing at two ends, high lubricating effect, further reduces friction, thereby reduces vibration, reduces noise, good operating stability; 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.
Description
Technical field
The utility model relates to pump technology field, is specifically related to a kind of anti-blocking 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., the liquid that also can carry liquid, gaseous mixture and contain suspended solids.
All directly expose in rotor in existing brushless direct-current water pump and the gap between stator, large particle foreign matter in water easily enters between rotor and stator like this, and then obstruction rotor, 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 effectively prevent that large particle foreign matter from entering between rotor and stator, reliable, the anti-blocking 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 anti-blocking brushless direct-current water pump, it comprises pump case, front cover, rear end cover, rotor, stator, impeller and divider, described front cover and rear end cover corresponding lid are combined in the two ends of pump case, the front-end face neutral position of described pump case inwardly concaves the rotor chamber that formation one is used for arranging rotor, the peripheral position in the ear end face respective rotor chamber of this pump case inwardly concaves the stator cavity that formation one is used for arranging stator, described stator arranges in this stator cavity, described rotor arranges in rotor chamber, described divider is arranged on the opening of this rotor chamber, described impeller is arranged in the rotating shaft of stator.
As a kind of improvement of the present utility model, described divider comprises a circular body, the central position of this circular body is provided with an axis hole, this axis hole is provided with the graphite bushing suitable with the rotating shaft of described stator, the periphery of described circular body is the center of circle and is arranged with many fixed connecting rods, and on described pump case, being provided with the location and installation groove suitable with this fixed connecting rod, the position between corresponding adjacent two fixed connecting rods is provided with breach in described circular body.
As a kind of improvement of the present utility model, the inner chamber bottom surface of described rotor chamber is provided with the graphite bushing suitable with the rotating shaft of described stator.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 structural design is ingenious, reasonable, is equipped with divider, can effectively prevent that large particle foreign matter from entering between rotor and stator, guarantee normally operation, and 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, good operating stability, and loss is little, reliable, 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.
Accompanying drawing explanation
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 of Fig. 1.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of anti-blocking 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, impeller 6 and divider 7, described front cover 2 and rear end cover 3 corresponding lids are combined in the two ends of pump case 1, the front-end face neutral position of described pump case 1 inwardly concaves the rotor chamber that formation one is used for arranging rotor 4, the peripheral position in the ear end face respective rotor chamber of this pump case 1 inwardly concaves the stator cavity that formation one 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, described divider 7 is arranged on the opening of this rotor chamber, described impeller 6 is arranged in the rotating shaft of stator.Concrete, described divider 7 comprises a circular body 71, the central position of this circular body 71 is provided with an axis hole, and this axis hole is provided with the graphite bushing 51 suitable with the rotating shaft of described stator 5, and the inner chamber bottom surface of described rotor chamber is provided with the graphite bushing 52 suitable with the rotating shaft of described stator 5.Adopt graphite bushing 51,52, 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.During 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.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 guarantee the stability of operation.
In the present embodiment, described impeller 6 is preferably double shrouded wheel, can effectively increase water lift of pump.In other embodiment, can adopt the unshrouded impeller of other type and half-opened impeller etc.
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.
During work, switch on power, rotor 4 impeller 6 are rotated, and liquid is entered in pump case 1 by water intake 21, and from water outlet 31, flows out fast through water channel 8.When there being large particle foreign matter to enter pump case 1 when interior, under the barrier effect of divider 7, effectively prevent that large particle foreign matter from entering between rotor 4 and stator, guarantee normally operation, good operating stability, effectively increases the service life.Preferably, the control mode of the anti-blocking brushless direct-current water pump of the utility model adopts sensorless control mode, both counterelectromotive force control technique.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 anti-blocking brushless direct-current water pump structure change, is applicable to operation steady in a long-term.This control mode has also increased the protection of anti-blocking brushless direct-current water pump under the different situations of work, 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, to modifications and changes more of the present utility model, also should fall in the protection domain of claim 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 (5)
1. an anti-blocking brushless direct-current water pump, it is characterized in that, it comprises pump case, front cover, rear end cover, rotor, stator, impeller and divider, described front cover and rear end cover corresponding lid are combined in the two ends of pump case, the front-end face neutral position of described pump case inwardly concaves the rotor chamber that formation one is used for arranging rotor, the peripheral position in the ear end face respective rotor chamber of this pump case inwardly concaves the stator cavity that formation one is used for arranging stator, described stator arranges in this stator cavity, described rotor arranges in rotor chamber, described divider is arranged on the opening of this rotor chamber, described impeller is arranged in the rotating shaft of stator.
2. anti-blocking brushless direct-current water pump according to claim 1, it is characterized in that: described divider comprises a circular body, the central position of this circular body is provided with an axis hole, this axis hole is provided with the graphite bushing suitable with the rotating shaft of described stator, the periphery of described circular body is the center of circle and is arranged with many fixed connecting rods, and on described pump case, being provided with the location and installation groove suitable with this fixed connecting rod, the position between corresponding adjacent two fixed connecting rods is provided with breach in described circular body.
3. anti-blocking brushless direct-current water pump according to claim 1 and 2, is characterized in that: the inner chamber bottom surface of described rotor chamber is provided with the graphite bushing suitable with the rotating shaft of described stator.
4. anti-blocking brushless direct-current water pump according to claim 1 and 2, is characterized in that: described impeller is double shrouded wheel.
5. anti-blocking 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 |
|---|---|---|---|
| CN201420293103.7U CN203978858U (en) | 2014-06-04 | 2014-06-04 | Anti-blocking brushless direct-current water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293103.7U CN203978858U (en) | 2014-06-04 | 2014-06-04 | Anti-blocking brushless direct-current water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203978858U true CN203978858U (en) | 2014-12-03 |
Family
ID=51976310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420293103.7U Expired - Fee Related CN203978858U (en) | 2014-06-04 | 2014-06-04 | Anti-blocking brushless direct-current water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203978858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050680A (en) * | 2016-04-29 | 2016-10-26 | 江门市地尔汉宇电器股份有限公司 | Non-tube pump and equipment using non-tube pump |
| CN113339274A (en) * | 2021-05-26 | 2021-09-03 | 浙江赛灵特泵业科技有限公司 | Low-vibration shielding type circulating pump |
-
2014
- 2014-06-04 CN CN201420293103.7U patent/CN203978858U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050680A (en) * | 2016-04-29 | 2016-10-26 | 江门市地尔汉宇电器股份有限公司 | Non-tube pump and equipment using non-tube pump |
| CN113339274A (en) * | 2021-05-26 | 2021-09-03 | 浙江赛灵特泵业科技有限公司 | Low-vibration shielding type circulating 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 |