CN213574637U - Permanent magnet motor driven axial flow water pump - Google Patents
Permanent magnet motor driven axial flow water pump Download PDFInfo
- Publication number
- CN213574637U CN213574637U CN202022173991.7U CN202022173991U CN213574637U CN 213574637 U CN213574637 U CN 213574637U CN 202022173991 U CN202022173991 U CN 202022173991U CN 213574637 U CN213574637 U CN 213574637U
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- water pump
- axial flow
- permanent magnet
- motor
- impeller shaft
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 238000004804 winding Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009189 diving Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model belongs to the technical field of axial flow water pump technique and specifically relates to a permanent-magnet machine driven axial flow water pump, including a water pump shell the other fixed mounting of both ends mouth punishment of water pump shell has flange, two a stator is installed respectively in flange's the outside the inner chamber seal installation of water pump shell has a rivers hoisting assembly fixed cup joint on the middle part lateral wall of water pump shell installs a motor casing install the winding in the motor casing motor stator winding on the middle part lateral wall of water pump shell. Compared with the common axial flow pump, the axial flow pump has the advantages of simple structure, less integral parts, reduced manufacturing cost and reduced manufacturing difficulty; the axial flow water pump adopts a mode of combining the motor and the water pump to achieve the required functions, and the structure is simplified, so that the device is more convenient to assemble and install and has simple assembling steps; the installation and the subsequent maintenance are convenient; the axial flow water pump adopts the permanent magnet motor, and can achieve the effect of saving energy consumption.
Description
Technical Field
The utility model belongs to the technical field of axial flow water pump technique and specifically relates to a modified structure that motor, pump body combine, especially a permanent-magnet machine driven axial flow water pump.
Background
The water pump is a machine for conveying liquid or pressurizing liquid, and mainly conveys mechanical energy of a prime mover or other external energy to the liquid to increase the pressure energy or potential energy of the liquid. The axial-flow water pump is a common structure in water pumps, and the working principle of the axial-flow water pump is that liquid is conveyed along the axial direction by the action force of blades of a rotating impeller on the liquid, and the axial-flow water pump is of several types, such as vertical type, horizontal type, inclined type, through-flow type and the like.
The traditional axial flow water pump has a relatively complex structure and more spare parts due to the principle design and the consideration of the function, which undoubtedly increases the manufacturing cost and also increases the assembly difficulty; the difficulty is higher when later stage carries out maintenance.
In consideration of the defects of the existing axial flow water pump, after long-term research and improvement, designers of the application design an axial flow water pump structure combining a motor and a pump body.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: the utility model provides a permanent magnet motor driven axial flow water pump, includes a water pump shell the both ends mouth punishment of water pump shell do not fixed mounting have flange, two install the stator of two relative and coaxial settings between the flange respectively the inner chamber internal seal of water pump shell installs a rivers lifting unit, rivers lifting unit produces lift and pushes away rivers from the below to the top through self rotation on the middle part lateral wall of water pump shell fixed cup joint installs a motor casing install the winding in the motor casing motor stator winding on the middle part lateral wall of water pump shell, motor stator winding forms rotating magnetic field after passing in outside alternating current.
Preferably, the water flow lifting assembly comprises an impeller shaft arranged in the center of the inner cavity of the water pump housing, two ends of the impeller shaft extend to the center positions of the guide vanes at corresponding positions respectively, bearing seats with built-in bearings are symmetrically arranged at the center positions of the two guide vanes respectively, two ends of the impeller shaft extend into bearing holes of the bearings at corresponding positions respectively, and two ends of the impeller shaft are connected with the bearing seats at corresponding positions through sealing devices respectively and realize sealing of two ends of the impeller shaft; the outer side wall of the impeller shaft is fixedly connected with a plurality of rotor impellers at uniform intervals along the circumference of the outer side wall of the impeller shaft, an annular permanent magnet rotor is coaxially sleeved on the periphery of the impeller shaft, and the outer end of each rotor impeller is fixed on the inner ring side wall of the permanent magnet rotor.
Preferably, the sealing means comprises a plurality of sealing rings.
Preferably, the two connecting flanges are respectively used for being bolted and fixedly connected with corresponding flanges on an external water pipe.
Preferably, a gap exists between the outer side wall of the permanent magnet rotor and the inner cavity side wall of the motor shell.
Preferably, the motor stator winding is electrified to drive the permanent magnet rotor to rotate.
Preferably, the motor stator winding can select a star-connected stator three-phase winding when selecting.
The beneficial effects of the utility model are embodied in:
1. compared with the common axial flow pump, the axial flow pump has simple structure and few integral spare parts, so that the manufacturing cost is reduced and the manufacturing difficulty is reduced.
2. The axial flow water pump achieves the required functions in a mode of combining the motor and the water pump, and the structure is simplified, so that the axial flow water pump is more convenient to assemble and install and has simple assembling steps; the installation and the subsequent maintenance are convenient.
3. The axial flow water pump adopts the permanent magnet motor, so that the effect of saving energy consumption can be achieved; meanwhile, the device has multiple functions, can be directly installed on a pipeline, and can also be arranged underwater for diving.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is the structure schematic diagram of the utility model used after connecting the water pipe.
Fig. 3 is a schematic structural view of the utility model when used under water.
Fig. 4 is a schematic structural view of the guide vane of the present invention.
In the figure, 1, a water pump shell; 2. a connecting flange; 3. a guide vane; 4. a motor housing; 5. a motor stator winding; 6. an impeller shaft; 7. a bearing; 8. a bearing seat; 9. a rotor impeller; 10. a permanent magnet rotor; 11. a seal ring; 12. a water pipe.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-4, an axial flow water pump driven by a permanent magnet motor comprises a water pump housing 1, wherein two ports of the water pump housing 1 are respectively and fixedly provided with a connecting flange 2, two guide vanes 3 which are opposite and coaxially arranged are respectively arranged between the connecting flanges 2, a water flow lifting assembly is hermetically arranged in an inner cavity of the water pump housing 1, the water flow lifting assembly generates lift force to water flow through self rotation and pushes the water flow to the upper part from the lower part, a motor housing 4 is fixedly sleeved on the outer side wall of the middle part of the water pump housing 1, a motor stator winding 5 wound on the outer side wall of the middle part of the water pump housing 1 is arranged in the motor housing 4, and the motor stator winding 5 forms a rotating magnetic field after external alternating current is introduced.
This pump body adopts the structural improvement that motor and water pump combined together, drives motor stator winding 5 through the circular telegram back and forms rotating magnetic field, and then drives whole rivers lifting means rotatory to reach the purpose for rivers provide power.
The structure of the whole pump body is relatively simple, the number of integral parts is greatly reduced compared with that of the traditional pump body, and therefore the manufacturing cost is reduced, and the manufacturing difficulty is reduced.
In addition, the simplification of the structure ensures that the device is more convenient to assemble and install and has simple assembly steps; the installation and the subsequent maintenance are convenient. When in selection, the axial flow water pump adopts the permanent magnet motor, so that the effect of saving energy consumption can be achieved; meanwhile, the device has multiple functions, can be directly installed on a pipeline, and can also be arranged underwater for diving.
Preferably, the water flow lifting assembly comprises an impeller shaft 6 arranged in the center of the inner cavity of the water pump housing 1, two ends of the impeller shaft 6 extend to the center positions of the guide vanes 3 at corresponding positions respectively, bearing seats 8 with built-in bearings 7 are symmetrically arranged at the center positions of the two guide vanes 3 respectively, two ends of the impeller shaft 6 extend into the bearing holes of the bearings 7 at corresponding positions respectively, two ends of the impeller shaft 6 are connected with the bearing seats 8 at corresponding positions through sealing devices respectively and realize sealing of two ends of the impeller shaft 6; the outer side wall of the impeller shaft 6 is fixedly connected with a plurality of rotor impellers 9 at uniform intervals along the circumference of the outer side wall, an annular permanent magnet rotor 10 is coaxially sleeved on the periphery of the impeller shaft 6, and the outer end of each rotor impeller 9 is fixed on the inner ring side wall of the permanent magnet rotor 10.
After the rotating magnetic field is formed, the annular permanent magnet rotor 10 can drive each rotor impeller 9 and the impeller shaft 6 connected with the annular permanent magnet rotor to rotate under the action of the rotating magnetic field, and the bearing 7 can effectively play roles of reducing resistance and keeping motion balance in the rotating process.
The rotor impellers 9 are driven to rotate by the rapid rotation of the permanent magnet rotor 10, and the thrust generated by the high-speed rotation of each rotor impeller 9 can realize water lifting; the rotor wheel 9 generates lift force to the water when rotating, and can push the water from the lower part to the upper part.
Preferably, the sealing device comprises a plurality of sealing rings 11, and an existing sealing mode is adopted when sealing is performed, and the specific selected form of the sealing ring 11 is selected by a person skilled in the art, and a standard component is selected.
Preferably, the two connecting flanges 2 are respectively used for being bolted and fixedly connected with corresponding flanges on the external water pipe 12.
The two connecting flanges 2 are arranged to facilitate rapid connection of the subsequent water pipe 12.
Preferably, a gap exists between the outer side wall of the permanent magnet rotor 10 and the inner cavity side wall of the motor housing 4.
The gap can be set to better reduce the running resistance of the permanent magnet rotor 10 when the permanent magnet rotor rotates at a high speed, and the resistance generated by the contact collision between the permanent magnet rotor 10 and the inner cavity side wall of the motor shell 4 is prevented.
Preferably, the motor stator winding 5 is energized to drive the permanent magnet rotor 10 to rotate.
Preferably, the motor stator winding 5 can be selected as a star-connected stator three-phase winding.
This pump body adopts the structural improvement that motor and water pump combined together, drives motor stator winding 5 through the circular telegram back and forms rotating magnetic field, and then drives whole rivers lifting means rotatory to reach the purpose for rivers provide power.
The structure of the whole pump body is relatively simple, the number of integral parts is greatly reduced compared with that of the traditional pump body, and therefore the manufacturing cost is reduced, and the manufacturing difficulty is reduced.
In addition, the simplification of the structure ensures that the device is more convenient to assemble and install and has simple assembly steps; the installation and the subsequent maintenance are convenient. When in selection, the axial flow water pump adopts the permanent magnet motor, so that the effect of saving energy consumption can be achieved; meanwhile, the device has multiple functions, can be directly installed on a pipeline, and can also be arranged underwater for diving.
The working principle is as follows:
when the motor stator winding 5 is electrified, a rotating magnetic field can be formed, the annular permanent magnet rotor 10 can drive each rotor impeller 9 and the impeller shaft 6 connected with the annular permanent magnet rotor to rotate under the action of the rotating magnetic field after the rotating magnetic field is formed, and the bearing 7 can effectively play roles in reducing resistance and keeping motion balance in the rotating process.
The rotor impellers 9 are driven to rotate by the rapid rotation of the permanent magnet rotor 10, and the thrust generated by the high-speed rotation of each rotor impeller 9 can realize water lifting; the rotor wheel 9 generates lift force to the water when rotating, and can push the water from the lower part to the upper part.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (6)
1. The utility model provides an axial compressor water pump of permanent-magnet machine driven which characterized in that: including a water pump shell the difference fixed mounting in the both ends mouth punishment of water pump shell has flange, two install the stator of two relative and coaxial settings between flange respectively the inner chamber internal seal of water pump shell installs a rivers promotion subassembly, rivers promotion subassembly produces lift and pushes away rivers from the below to the top through self rotation on the middle part lateral wall of water pump shell fixed cup joint installs a motor casing install the winding in the motor casing the motor stator winding on the middle part lateral wall of water pump shell, the motor stator winding forms rotating magnetic field after passing through outside alternating current.
2. The permanent magnet motor driven axial flow water pump according to claim 1, characterized in that: the water flow lifting assembly comprises an impeller shaft arranged in the center of an inner cavity of the water pump shell, two ends of the impeller shaft extend to the center positions of the guide vanes at corresponding positions respectively, bearing seats with built-in bearings are symmetrically arranged at the center positions of the two guide vanes respectively, two ends of the impeller shaft extend into bearing holes of the bearings at corresponding positions respectively, and two ends of the impeller shaft are connected with the bearing seats at corresponding positions through sealing devices respectively and realize sealing of two ends of the impeller shaft; the outer side wall of the impeller shaft is fixedly connected with a plurality of rotor impellers at uniform intervals along the circumference of the outer side wall of the impeller shaft, an annular permanent magnet rotor is coaxially sleeved on the periphery of the impeller shaft, and the outer end of each rotor impeller is fixed on the inner ring side wall of the permanent magnet rotor.
3. The permanent magnet motor driven axial flow water pump according to claim 2, characterized in that: the sealing device comprises a plurality of sealing rings.
4. The permanent magnet motor driven axial flow water pump according to claim 3, characterized in that: and the two connecting flanges are respectively used for being bolted and fixedly connected with corresponding flanges on an external water pipe.
5. The permanent magnet motor driven axial flow water pump according to claim 4, characterized in that: and a gap exists between the outer side wall of the permanent magnet rotor and the inner cavity side wall of the motor shell.
6. The permanent magnet motor driven axial flow water pump according to claim 5, characterized in that: and the motor stator winding is used for driving the permanent magnet rotor to rotate after being electrified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022173991.7U CN213574637U (en) | 2020-09-28 | 2020-09-28 | Permanent magnet motor driven axial flow water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022173991.7U CN213574637U (en) | 2020-09-28 | 2020-09-28 | Permanent magnet motor driven axial flow water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213574637U true CN213574637U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022173991.7U Expired - Fee Related CN213574637U (en) | 2020-09-28 | 2020-09-28 | Permanent magnet motor driven axial flow water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213574637U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417858A (en) * | 2021-08-04 | 2021-09-21 | 合肥恒大江海泵业股份有限公司 | Impeller built-in submersible tubular pump with high-thrust water-lubricated bearing structure |
| CN114738288A (en) * | 2022-04-07 | 2022-07-12 | 武汉理工大学 | Integrated motor-driven pump and motor-driven pump set |
-
2020
- 2020-09-28 CN CN202022173991.7U patent/CN213574637U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417858A (en) * | 2021-08-04 | 2021-09-21 | 合肥恒大江海泵业股份有限公司 | Impeller built-in submersible tubular pump with high-thrust water-lubricated bearing structure |
| CN114738288A (en) * | 2022-04-07 | 2022-07-12 | 武汉理工大学 | Integrated motor-driven pump and motor-driven pump set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20210629 |