CN204145175U - A kind of use in washing machine external rotor alternate current motor - Google Patents
A kind of use in washing machine external rotor alternate current motor Download PDFInfo
- Publication number
- CN204145175U CN204145175U CN201420509861.8U CN201420509861U CN204145175U CN 204145175 U CN204145175 U CN 204145175U CN 201420509861 U CN201420509861 U CN 201420509861U CN 204145175 U CN204145175 U CN 204145175U
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- plastic packaging
- rotor
- washing machine
- packaging material
- stator
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Abstract
The utility model relates to a kind of use in washing machine external rotor alternate current motor, comprise stator and external rotor, the stator plastic packaging material that described stator comprises stator core, stator winding and is integrated by its plastic packaging, the described leading section of stator plastic packaging material is fixedly connected with the clutch of washing machine, the rotor plastic packaging material that described external rotor comprises rotor core, casting aluminum rotor and is integrated by its plastic packaging, the section of described rotor plastic packaging material takes the shape of the letter U, and the bottom of described rotor plastic packaging material is fixedly connected with clutch coupling of washing machine axle by connecting portion.The utility model overall structure is simple, and anufacturability is also higher, and saves installing space, reduces material cost and cost of labor.
Description
Technical field
The utility model relates to a kind of washing machine, the external rotor alternate current motor particularly used on washing machine, belongs to washing machine technology field.
Background technology
Existing common AC motor application is commonly two kinds: Yi Zhongshi in the module drive mode of washing machine urceolus, motor by power by belt transport to belt pulley, belt pulley band moving axis rotate, then inner core rotate.The deficiency of this kind of type of drive is, required installing space is large, and due to Multi-stage transmission, causes that efficiency is low, energy consumption is high, and belt transmission noise is large; Another kind is, adopt the work of DDM direct driving motor direct driven washing machine urceolus, but need controller to control, system cost is higher.
In addition, the mode that existing external rotor electric machine adopts external rotor and external rotor link cover split-type to manufacture, product component quantity is many, complex structure, and manufacturability is poor.
Utility model content
The utility model main purpose is to solve the problem and not enough, provides that a kind of structure is simple, anufacturability is high, and saves the use in washing machine external rotor alternate current motor of installing space.
For achieving the above object, the technical solution of the utility model is:
A kind of use in washing machine external rotor alternate current motor, comprise stator and external rotor, the stator plastic packaging material that described stator comprises stator core, stator winding and is integrated by its plastic packaging, the described leading section of stator plastic packaging material is fixedly connected with the clutch of washing machine, the rotor plastic packaging material that described external rotor comprises rotor core, casting aluminum rotor and is integrated by its plastic packaging, the section of described rotor plastic packaging material takes the shape of the letter U, and the bottom of described rotor plastic packaging material is fixedly connected with clutch coupling of washing machine axle by connecting portion.
Further, described connecting portion is the connector being fixed on described rotor plastic packaging material bottom, arranges the first centre bore inserting clutch shaft in the central authorities of described connector.
Further, described connector is metalwork.
Further, the bottom plastic packaging of described connector and described rotor plastic packaging material is into a single integrated structure.
Further, described connecting portion is the second centre bore being directly opened in described rotor plastic packaging material bottom central authorities, and clutch shaft inserts in the second centre bore and realizes connecting.
Further, be connected by involute spline between described connecting portion with described clutch shaft.
Further, the bottom of described rotor plastic packaging material has an inside conically depressed part, and described connecting portion is arranged on the top of described depressed part.
Further, the bottom of described rotor plastic packaging material has multiple through hole.
Further, the leading section of described stator plastic packaging material is provided with multiple outwardly reference column, coordinates with the location hole on clutch coupling of washing machine and realize locating.
To sum up content, a kind of use in washing machine external rotor alternate current motor described in the utility model, compared with prior art, tool has the following advantages:
(1) compared to common alternating current machine, this type of drive eliminates belt pulley, belt, not only reduces system parts quantity, structure is more simple, improves manufacturability, and transmission is more reliable, can also noise be reduced, install also very convenient, save installing space; Adopt external rotor Direct driver to drive inner tank of washing machine running, system effectiveness is high, significantly reduces energy consumption simultaneously.
(2) eliminate controller compared to DDM direct driving motor, system cost reduces.
(3) through the integral formula plastic packaging stator of plastic packaging material mould mold pressing plastic packaging and rotor, solve the mode that current external rotor electric machine adopts external rotor and external rotor link cover split-type to manufacture, decrease product parts quantity, manufacturability is improved, save labour turnover, effectively can also ensure axiality, motor precision is improved, further reduce system noise.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment one external rotor alternate current motor structural representation;
Fig. 2 is the utility model embodiment one external rotor alternate current motor structure cutaway view;
Fig. 3 is the utility model embodiment one stator structure schematic diagram;
Fig. 4 is the utility model embodiment one stator structure cutaway view;
Fig. 5 is the utility model embodiment one outer-rotor structure schematic diagram;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the A-A cutaway view of Fig. 6;
Fig. 8 is the utility model embodiment two outer-rotor structure schematic diagram.
As shown in Figures 1 to 8, stator 1, external rotor 2, connecting portion 3, stator core 4, stator winding 5, stator plastic packaging material 6, reference column 7, rotor core 8, casting aluminum rotor 9, rotor plastic packaging material 10, connector 11, the first centre bore 12, depressed part 13, through hole 14, the second centre bore 15.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
Embodiment one:
As depicted in figs. 1 and 2, a kind of use in washing machine external rotor alternate current motor that the utility model provides, comprise stator 1 and external rotor 2, stator 1 is enclosed within the inside of external rotor 2, external rotor 2 is connected with clutch coupling of washing machine axle (not shown) by connecting portion 3, drives inner tank of washing machine to rotate.
Wherein, as shown in Figure 3 and Figure 4, the stator plastic packaging material 6 that stator 1 comprises stator core 4, stator winding 5 and is integrated by its plastic packaging, the leading section of stator plastic packaging material 6 is fixedly connected with the clutch (not shown) of washing machine, clutch is fixed on the urceolus of washing machine again, stator plastic packaging material 6 passes through plastic packaging material mould by stator core 4, the integral formula plastic package structure of stator winding 5 mold pressing plastic packaging, and directly form the structure of stator front end housing, the leading section of stator plastic packaging material 6 is offered multiple screw hole, for being fixedly connected with clutch.The leading section of stator plastic packaging material 6 is provided with three outwardly reference columns 7, coordinates the installation realizing motor to locate with the location hole of three on clutch coupling of washing machine, reference column 7 one plastic packaging when stator plastic packaging material 6 mold pressing plastic packaging is shaping.Due to stator 1, to be integrated plastic packaging shaping, and decrease product parts quantity, manufacturability obtains larger raising, saves cost of labor, meanwhile, effectively can also ensure axiality, motor precision is improved, further reduces system noise.
As shown in Figures 5 to 7, the rotor plastic packaging material 10 that external rotor 2 comprises rotor core 8, casting aluminum rotor 9 and is integrated by its plastic packaging, the section of rotor plastic packaging material 10 takes the shape of the letter U, rotor plastic packaging material 10 directly forms the rear end cover structure of rotor, further reduce product parts quantity, rotor core 8, casting aluminum rotor 9 plastic packaging are on the madial wall of U-shaped rotor plastic packaging material 10.As shown in Figure 2, be formed centrally a cavity in U-shaped rotor plastic packaging material 10, rotor core 8, casting aluminum rotor 9, stator 1 is installed in the cavity, and the first half of stator 1 is protruded in the outside of external rotor 2.
In the present embodiment, connecting portion 3 is for being fixed on the connector 11 of rotor plastic packaging material 10 bottom, and arrange the first centre bore 12 inserting clutch shaft in the central authorities of connector 11, connector 11 is connected by involute spline with between clutch shaft.In order to ensure the intensity of connector 11, and then ensure clutch shaft smooth running, connector 11 adopts metalwork, connector 11 can be fixedly mounted on separately rotor plastic packaging material 10 bottom by screw, but in order to improve the manufacturability of this structure further, save labour turnover, the present embodiment, preferably by into a single integrated structure for the connector 11 of metal and the bottom of the rotor plastic packaging material 10 direct plastic packaging when mold pressing plastic packaging, eliminate the hard-wired processing step of screw.
According to the length of clutch shaft, in the present embodiment, the bottom of rotor plastic packaging material 10 has an inside conically depressed part 13, and connector 11 is fixed on the top of depressed part 13, upwards caving in the bottom of rotor plastic packaging material 10, also can strengthen the intensity of rotor plastic packaging material 10 further.Around depressed part 13, also offer multiple through hole 14, through hole 14 can play the effect of loss of weight, also plays the effect of heat radiation simultaneously.
As shown in Figure 2, stator 1 is arranged on the inside of external rotor 2, and the leading section of stator 1 is fixedly connected with clutch, and external rotor 2 is fixedly connected with clutch shaft, drives clutch shaft to rotate, and and then drives inner cylinder rotating.This structure solves that the belt transmission number of spare parts that common AC motor application exists in washing machine urceolus transmission module is many, installing space is large, transmission efficiency is low, energy consumption is high and the problem such as noise is large, solves DDM direct driving motor simultaneously and is applied to the high problem of system cost that washing machine transmission module exists.
Embodiment two:
Be with embodiment one difference, as shown in Figure 8, connecting portion 3 is the second centre bore 15 being directly opened in rotor plastic packaging material 10 bottom central authorities, and clutch shaft inserts in the second centre bore 15 and realizes the connection with external rotor 2, and connecting portion 3 is connected by involute spline with between clutch shaft.
This structure eliminates connector 11, and when plastic packaging directly at shaping second centre bore 15 of central authorities, amount of parts is less, and material cost is also lower.
As mentioned above, plan content given by reference to the accompanying drawings, can derive similar technical scheme.In every case be the content not departing from technical solutions of the utility model, any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (9)
1. a use in washing machine external rotor alternate current motor, comprise stator and external rotor, it is characterized in that: the stator plastic packaging material that described stator comprises stator core, stator winding and is integrated by its plastic packaging, the described leading section of stator plastic packaging material is fixedly connected with the clutch of washing machine, the rotor plastic packaging material that described external rotor comprises rotor core, casting aluminum rotor and is integrated by its plastic packaging, the section of described rotor plastic packaging material takes the shape of the letter U, and the bottom of described rotor plastic packaging material is fixedly connected with clutch coupling of washing machine axle by connecting portion.
2. use in washing machine external rotor alternate current motor according to claim 1, is characterized in that: described connecting portion is the connector being fixed on described rotor plastic packaging material bottom, arranges the first centre bore inserting clutch shaft in the central authorities of described connector.
3. use in washing machine external rotor alternate current motor according to claim 2, is characterized in that: described connector is metalwork.
4. use in washing machine external rotor alternate current motor according to claim 2, is characterized in that: the bottom plastic packaging of described connector and described rotor plastic packaging material is into a single integrated structure.
5. use in washing machine external rotor alternate current motor according to claim 1, is characterized in that: described connecting portion is the second centre bore being directly opened in described rotor plastic packaging material bottom central authorities, and clutch shaft inserts in the second centre bore and realizes connecting.
6. the use in washing machine external rotor alternate current motor according to claim 2 or 5, is characterized in that: be connected by involute spline between described connecting portion with described clutch shaft.
7. use in washing machine external rotor alternate current motor according to claim 1, is characterized in that: the bottom of described rotor plastic packaging material has an inside conically depressed part, and described connecting portion is arranged on the top of described depressed part.
8. use in washing machine external rotor alternate current motor according to claim 1, is characterized in that: the bottom of described rotor plastic packaging material has multiple through hole.
9. use in washing machine external rotor alternate current motor according to claim 1, is characterized in that: on the leading section of described stator plastic packaging material, be provided with multiple outwardly reference column, coordinates realize locating with the location hole on clutch coupling of washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509861.8U CN204145175U (en) | 2014-09-05 | 2014-09-05 | A kind of use in washing machine external rotor alternate current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509861.8U CN204145175U (en) | 2014-09-05 | 2014-09-05 | A kind of use in washing machine external rotor alternate current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204145175U true CN204145175U (en) | 2015-02-04 |
Family
ID=52421839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420509861.8U Expired - Fee Related CN204145175U (en) | 2014-09-05 | 2014-09-05 | A kind of use in washing machine external rotor alternate current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204145175U (en) |
-
2014
- 2014-09-05 CN CN201420509861.8U patent/CN204145175U/en not_active Expired - Fee Related
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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: 20150204 Termination date: 20210905 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |