CN2926588Y - Long-time running water pump - Google Patents
Long-time running water pump Download PDFInfo
- Publication number
- CN2926588Y CN2926588Y CN 200620017017 CN200620017017U CN2926588Y CN 2926588 Y CN2926588 Y CN 2926588Y CN 200620017017 CN200620017017 CN 200620017017 CN 200620017017 U CN200620017017 U CN 200620017017U CN 2926588 Y CN2926588 Y CN 2926588Y
- Authority
- CN
- China
- Prior art keywords
- pump
- brushless motor
- long time
- turn round
- shell
- 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
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Abstract
The utility model relates to a water pump with long-time operating capacity, which comprises a pump hull, a brushless motor arranged in the pump hull, and a pump impeller arranged at one end of the inside of the pump hull and composed of an electromagnetic winding and a circuit board; wherein, the pump impeller is provided with a rotor axis, and between the pump hull and the brushless motor is provided with an outer rotor, and one end face of the outer rotor is provided with a quadrupole magnet; and two ends of the rotor axis are positioned on the outer rotor and the pump hull; when there is electricity, the magnetic field torque drive generated in the brushless motor is arranged on the outer rotor outside the brushless motor, and at the same time, the two quadrupole magnets separately arranged on the end face of the outer rotor and inside the pump impeller are made repelling each other to form the magnetic field torque; wherein, the magnetic field torque drives the pump impeller to rotate, thus avoiding abrasion and noise produced between the rotor axis and the brushless motor; in addtion, the electric appliance elements positioned inside the brushless motor are separated from the pump impeller, in doing so the electric appliance elements can be prevented from oxidation and corrosion of the outside moisture.
Description
[technical field]
The utility model relates to a kind of water pump that can turn round for a long time.
[background technique]
In the prior art water pump generally include motor, place motor one end impeller, be movably connected on rotating shaft on the motor, place pump impeller in the rotating shaft, place the pump cover on the pump impeller.On this pump cover, be provided with intake pipe, vertically with this intake pipe locate and be positioned at pump cover to be provided with outlet pipe.Its principle is: drive rotating shaft by motor and rotate, and rotating shaft drives the pump impeller rotation that places in the rotating shaft, because of pump impeller forms one powerful air pressure in rotary course, this powerful air pressure orders about liquid and screws out from outlet pipe after intake pipe screws in again, thereby reaches the purpose of drawing water.In the high speed rotating process, because of producing very big frictional force between the rotating shaft that is connected in motor and the pump impeller, make that wearing and tearing are big between rotating shaft and the pump impeller, cause producing between rotating shaft and the motor very big noise.Because of rotating shaft is connected one with motor, make some moisture infiltrate into motor inside easily, cause the surface of easy oxidation or the inner electrical apparatus element of corrosion motor, thus the working life of reducing the electrical apparatus element that place motor inside.
[model utility content]
Technical problem to be solved in the utility model provides a kind of not only can avoiding and produces wearing and tearing and noise between rotating shaft and the brushless motor, but also the water pump that can turn round for a long time that can prolong the working life of the electrical apparatus element that place brushless motor inside.
For solving the problems of the technologies described above, the technological scheme that the utility model adopted is: a kind of water pump that can turn round for a long time is provided, it comprises pump case, place the brushless motor of pump case inside, place the pump impeller of the inner end of pump case, this brushless motor has electromagnetism winding and circuit board, pump impeller is provided with a rotating shaft, be provided with external rotor between pump case and brushless motor, external rotor one end face is provided with quadrupole magnet, and the rotating shaft two ends lay respectively on external rotor and the pump case.
According to above-mentioned major technique feature, described external rotor comprises outer cylinder body, is fixed in the inner barrel of outer cylinder body inside, places the connection cylindrical shell between the inside and outside cylindrical shell.
According to above-mentioned major technique feature, described pump case comprises shell and is individually fixed in the fixed plate at shell two ends, pump cover.
According to above-mentioned major technique feature, the electromagnetism winding of described brushless motor is fixed on the fixed plate, and the circuit board of brushless motor is between fixed plate and electromagnetism winding.
According to above-mentioned major technique feature, described fixed plate is rounded, extends a plurality of fixed bodies that are threaded the hole on it, and described shell is tubular, the outer surface of shell be provided be used for fixed plate on the fixed body hollow cylinder that matches and be connected.
According to above-mentioned major technique feature, the bottom of portion is provided with the magnet accepting groove that is used to accommodate quadrupole magnet in the enclosure, is provided with the rotating shaft that is used to accommodate rotating shaft in the outside with the corresponding shell of this magnet accepting groove and accommodates post.
According to above-mentioned major technique feature, pump cover is L-shaped, and its inside is provided with locating column, is provided with intake pipe at this pump cover outer surface, and the direction place vertical with intake pipe is provided with outlet pipe.
According to above-mentioned major technique feature, it is cylindric that pump impeller is, and which is provided with the pivoting leaf body.
According to above-mentioned major technique feature, between pump impeller and pump cover, be provided with spring or shell fragment.
The beneficial effects of the utility model: when energising, the inner significant magnetic field that produces of brushless motor, this significant magnetic field produces moment of torsion, this torque drive places the external rotor of brushless motor outside to rotate, and to produce big torsion, makes the quadrupole magnet of external rotor end face and the quadrupole magnet polarization of pump impeller inside repel mutually, and generation magnetic field moment of torsion, this magnetic field torque drive places the pump impeller rotation of pump cover inside, drives the pump impeller rotation thereby reach external rotor, promptly reaches the purpose of drawing water.Directly contact to be connected with pump motor with the prior art shaft and compare, water pump of the present utility model can avoid producing between rotating shaft and the brushless motor wearing and tearing and noise, does not therefore have wearing and tearing, low noise.Because of electrical apparatus element and the pump impeller that places brushless motor inside adopts isolated mode, making to avoid extraneous moisture penetration to brushless motor inside, thereby can avoid placing the surface of the electrical apparatus element of brushless motor inside to be taken place, leak thereby can prolong the working life of the electrical apparatus element that place brushless motor inside and not consider by the phenomenon of moisture oxidation or corrosion.
For technical problem to be solved in the utility model, structure characteristics and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
[description of drawings]
Fig. 1 is the three-dimensional exploded view of a kind of water pump that can turn round for a long time in the utility model;
Fig. 2 is the schematic representation in the assembling cross section of a kind of water pump that can turn round for a long time in the utility model;
Fig. 3 is the schematic representation that the electromagnetism winding produces moment of torsion in the utility model.
[embodiment]
See also shown in Fig. 1 to 3, the utility model illustrates a kind of water pump that can turn round for a long time in conjunction with the embodiments, it comprises pump case, place the brushless motor of pump case inside, place the pump impeller 1 of the inner end of pump case, these pump impeller 1 central authorities are equipped with a rotating shaft 11, and described pump case comprises shell 3 and is individually fixed in the fixed plate 4 at shell 3 two ends, pump cover 5.Described brushless motor comprise the electromagnetism winding 6 that is fixed on the fixed plate 4 and place fixed plate 4 and electromagnetism winding 6 between circuit board 7.Be provided with external rotor 8 between pump case and brushless motor, external rotor 8 one end faces are provided with quadrupole magnet 9, help attracting to place the pump impeller 1 of shell 3 end faces.Described external rotor 8 comprises outer cylinder body 81, is fixed in the inner barrel 82 of outer cylinder body 81 inside, places the connection cylindrical shell 83 between the inside and outside cylindrical shell 81,82, helps increasing the intensity of whole external rotor 8, guarantees external rotor 8 reliability when rotated.
When energising, the electromagnetism winding 6 of brushless motor inside produces significant magnetic field, according to the principle that the magnetic field same sex is repelled each other, there is a natural attraction between the sexes, this magnetic field produces moment of torsion, this torque drive places the external rotor 8 of electromagnetism winding 62 outsides to rotate, to produce big torsion, feasiblely repel mutually because of the quadrupole magnet 9 that places external rotor 8 end faces quadrupole magnet 9 polarizations with pump impeller 1 inside, and generation magnetic field moment of torsion, this magnetic field torque drive places pump impeller 1 rotation of pump cover 5 inside, drive pump impeller 1 rotation thereby reach external rotor 8, can reach the purpose of drawing water.
Zong the above, contact is connected Xiang ratio, the utility model Yu Xian You technology Zhong Zhuan Zhou Yu brushless motor Zhi Water pump can avoid Zhuan Zhou 11 Yu produce wearing and tearing and Zao Yin between Zhi the brushless motor, Yin this Wu wear and tear, low noise. You adopts the mode of Xiang isolation to design Yin the electric elements of Zhi Yu brushless motor inside Yu pump impeller 1, so that can Avoid extraneous moisture penetration Zhi brushless motor inside, thereby can avoid the electric elements of Zhi Yu brushless motor inside The surface the making of the electric elements of the long Zhi Yu of Yan brushless motor inside taken place by the Xian Xiang of moisture Yangization or corrosion The Yong life-span does not consider and leaks.
Claims (9)
1, a kind of water pump that can turn round for a long time, it comprises pump case, place the brushless motor of pump case inside, place the pump impeller of the inner end of pump case, this brushless motor has electromagnetism winding and circuit board, it is characterized in that: pump impeller is provided with a rotating shaft, between pump case and brushless motor, be provided with external rotor, external rotor one end face is provided with quadrupole magnet, and the rotating shaft two ends lay respectively on external rotor and the pump case.
2, the water pump that can turn round for a long time as claimed in claim 1 is characterized in that: described external rotor comprises outer cylinder body, is fixed in the inner barrel of outer cylinder body inside, places the connection cylindrical shell between the inside and outside cylindrical shell.
3, the water pump that can turn round for a long time as claimed in claim 1 is characterized in that: described pump case comprises shell and is individually fixed in the fixed plate at shell two ends, pump cover.
4, the water pump that can turn round for a long time as claimed in claim 1 is characterized in that: the electromagnetism winding of described brushless motor is fixed on the fixed plate, and the circuit board of brushless motor is between fixed plate and electromagnetism winding.
5, as claim 3 or the 4 described water pumps that can turn round for a long time, it is characterized in that: described fixed plate is rounded, extend a plurality of fixed bodies that are threaded the hole on it, described shell is tubular, the outer surface of shell be provided be used for fixed plate on the fixed body hollow cylinder that matches and be connected.
6, the water pump that can turn round for a long time as claimed in claim 1, it is characterized in that: the bottom of portion is provided with the magnet accepting groove that is used to accommodate quadrupole magnet in the enclosure, is provided with the rotating shaft that is used to accommodate rotating shaft in the outside with the corresponding shell of this magnet accepting groove and accommodates post.
7, the water pump that can turn round for a long time as claimed in claim 3, it is characterized in that: pump cover is L-shaped, and its inside is provided with locating column, is provided with intake pipe at this pump cover outer surface, and the direction place vertical with intake pipe is provided with outlet pipe.
8, the water pump that can turn round for a long time as claimed in claim 1, it is characterized in that: pump impeller is cylindric, which is provided with the pivoting leaf body.
9, the water pump that can turn round for a long time as claimed in claim 1 is characterized in that: be provided with spring or shell fragment between pump impeller and pump cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620017017 CN2926588Y (en) | 2006-07-14 | 2006-07-14 | Long-time running water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620017017 CN2926588Y (en) | 2006-07-14 | 2006-07-14 | Long-time running water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2926588Y true CN2926588Y (en) | 2007-07-25 |
Family
ID=38280830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620017017 Expired - Fee Related CN2926588Y (en) | 2006-07-14 | 2006-07-14 | Long-time running water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2926588Y (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9878739B1 (en) | 2017-05-11 | 2018-01-30 | Hayward Industries, Inc. | Pool cleaner modular drivetrain |
| US9885195B1 (en) | 2017-05-11 | 2018-02-06 | Hayward Industries, Inc. | Pool cleaner roller assembly |
| US9885194B1 (en) | 2017-05-11 | 2018-02-06 | Hayward Industries, Inc. | Pool cleaner impeller subassembly |
| US9885196B2 (en) * | 2015-01-26 | 2018-02-06 | Hayward Industries, Inc. | Pool cleaner power coupling |
| US9896858B1 (en) | 2017-05-11 | 2018-02-20 | Hayward Industries, Inc. | Hydrocyclonic pool cleaner |
| US10156083B2 (en) | 2017-05-11 | 2018-12-18 | Hayward Industries, Inc. | Pool cleaner power coupling |
| US10161153B2 (en) | 2017-05-11 | 2018-12-25 | Hayward Industries, Inc. | Pool cleaner canister handle |
| US10189490B2 (en) | 2017-05-11 | 2019-01-29 | Hayward Industries, Inc. | Pool cleaner caddy with removable wheel assemblies |
| US10214933B2 (en) | 2017-05-11 | 2019-02-26 | Hayward Industries, Inc. | Pool cleaner power supply |
| US10227081B2 (en) | 2017-05-11 | 2019-03-12 | Hayward Industries, Inc. | Pool cleaner caddy with retention mechanism |
| US10364905B2 (en) | 2017-05-11 | 2019-07-30 | Hayward Industries, Inc. | Pool cleaner check valve |
| US10676950B2 (en) | 2017-05-11 | 2020-06-09 | Hayward Industries, Inc. | Pool cleaner roller latch |
-
2006
- 2006-07-14 CN CN 200620017017 patent/CN2926588Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10557278B2 (en) | 2015-01-26 | 2020-02-11 | Hayward Industries, Inc. | Pool cleaner with cyclonic flow |
| US12065854B2 (en) | 2015-01-26 | 2024-08-20 | Hayward Industries, Inc. | Pool cleaner with cyclonic flow |
| US11236523B2 (en) | 2015-01-26 | 2022-02-01 | Hayward Industries, Inc. | Pool cleaner with cyclonic flow |
| US9885196B2 (en) * | 2015-01-26 | 2018-02-06 | Hayward Industries, Inc. | Pool cleaner power coupling |
| US10189490B2 (en) | 2017-05-11 | 2019-01-29 | Hayward Industries, Inc. | Pool cleaner caddy with removable wheel assemblies |
| US10253517B2 (en) | 2017-05-11 | 2019-04-09 | Hayward Industries, Inc. | Hydrocyclonic pool cleaner |
| US10155538B2 (en) | 2017-05-11 | 2018-12-18 | Hayward Industries, Inc. | Pool cleaner modular drivetrain |
| US10161153B2 (en) | 2017-05-11 | 2018-12-25 | Hayward Industries, Inc. | Pool cleaner canister handle |
| US9878739B1 (en) | 2017-05-11 | 2018-01-30 | Hayward Industries, Inc. | Pool cleaner modular drivetrain |
| US10214933B2 (en) | 2017-05-11 | 2019-02-26 | Hayward Industries, Inc. | Pool cleaner power supply |
| US10227081B2 (en) | 2017-05-11 | 2019-03-12 | Hayward Industries, Inc. | Pool cleaner caddy with retention mechanism |
| US10156083B2 (en) | 2017-05-11 | 2018-12-18 | Hayward Industries, Inc. | Pool cleaner power coupling |
| US10364905B2 (en) | 2017-05-11 | 2019-07-30 | Hayward Industries, Inc. | Pool cleaner check valve |
| US9896858B1 (en) | 2017-05-11 | 2018-02-20 | Hayward Industries, Inc. | Hydrocyclonic pool cleaner |
| US10676950B2 (en) | 2017-05-11 | 2020-06-09 | Hayward Industries, Inc. | Pool cleaner roller latch |
| US10767382B2 (en) | 2017-05-11 | 2020-09-08 | Hayward Industries, Inc. | Pool cleaner impeller subassembly |
| US9885194B1 (en) | 2017-05-11 | 2018-02-06 | Hayward Industries, Inc. | Pool cleaner impeller subassembly |
| US9885195B1 (en) | 2017-05-11 | 2018-02-06 | Hayward Industries, Inc. | Pool cleaner roller assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 Termination date: 20100714 |