CN1508339A - Motor assembling structure for fully-automatic washing machine - Google Patents
Motor assembling structure for fully-automatic washing machine Download PDFInfo
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- CN1508339A CN1508339A CNA021565651A CN02156565A CN1508339A CN 1508339 A CN1508339 A CN 1508339A CN A021565651 A CNA021565651 A CN A021565651A CN 02156565 A CN02156565 A CN 02156565A CN 1508339 A CN1508339 A CN 1508339A
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Abstract
The invention provides an electric machine assembly construction of full-automatic washing machine, including: shaft backing plate, stator, shaft, rotor, connector and fixed nut. The backing plate is set under the external tank; the stator set under the backing plate; the shaft penetrating through the backing plate; the rotor set in the lower part of the shaft; the connector set at the center of the rotor, one end connected to external circular surface and the other end fixed on the rotor, transferring the rotating force to the shaft; the nut fixed at the lower end of the rotor to closely connect the rotor in the direction of the lower bearing. Its character: the elastic parts are set between the lower bearing and the connector, preventing the gap from being produced between the rotor and the lower bearing.
Description
Technical field
The present invention relates to a kind of washing machine, relate in particular to a kind of group of motors assembling structure (structure for assembling motor inautomatic-type washing machine) that can bring the automatic washing machine of following effect: even produce heat because of environment for use and operating condition change, cause connector to expand repeatedly and shrink, also can prevent to produce the slit between rotor and the lower bearing, so the noise can solve the running that the gap because of rotor produces the time.
Background technology
General washing machine utilizes the emulsification of washing agent to remove attached to the polluter on clothes, the bed clothes to the percussion that washings appends with the rubbing action of the current of the rotation generation of washing fin and by agitator.Amount and the kind of above-mentioned washing machine by the sensor senses washings, the automatic setting washing methods washs, or washs by the control of computer after according to the amount of washings and kind washings being fed to suitable water level.
In addition, the washing machine of prior art has following type of drive: send the rotary power of drive motors to wash shaft by means of the conveyer belt (BELT) that transmits power and pulley (PULLEY) agitator is rotated, or send the mode that dehydrating shaft is rotated drench pit to; Perhaps by the speed of brushless direct-current (BLDC) motor is controlled, the mode that drench pit is rotated with different speed when carrying out washing stroke and dewater stroke.
In addition, the structure that has the washing machine of following mode of washing in addition: utilize brshless DC motor, but the path difference that power transmits, that is to say, agitator by low speed rotation when washing is carried out washing stroke, agitator and drench pit is rotated at a high speed carry out the dehydration stroke.
In addition, rotate sink or washing wing at a high speed according to certain orientation during washing, the water flow jet that will aspirate (pumping) is carried out the mode of washing that through mode washs in the sink and also is useful on the washing machine.
Fig. 1 is a routine profilograph of prior art washing machine, demonstrates by the speed control of brshless DC motor being carried out the structure example profilograph of the washing machine of washing stroke and dehydration stroke.Fig. 2 is the details drawing that demonstrates existing technology major part.Below with reference to Fig. 1, Fig. 2 the structure of above-mentioned washing machine is briefly explained.
As shown in Figure 1, the inside of washing machine external box of microvave (out case) 1 is provided with water jacket 2, is supported on the inside of said external casing 1 by suspension bracket (suspension); Be provided with rotatable sink in the above-mentioned water jacket 2, it is also used as drench pit (selecting some the describing in " sink " or " drench pit " below in the explanation).
In addition, above-mentioned water jacket 2 below be provided with axle pad plate 5; Be provided with stator 6 below the above-mentioned axle pad plate 5; The bottom that connects the axle 4 of above-mentioned axle pad plate 5 is provided with rotor 7, and above-mentioned rotor 7 and stator 6 constitute motor M.
In addition, the centre of above-mentioned rotor 7 is provided with connector 8, and above-mentioned connector 8 one ends are combined on axle 4 the outer peripheral face, and an end is fixed on the rotor 7, sends the revolving force of above-mentioned rotor 7 to above-mentioned axle 4; The bottom of above-mentioned rotor 7 is fixed with hold-down nut 10, and said fixing nut 10 is combined closely rotor 7 on lower bearing 9.
At this moment, above-mentioned connector 8 is generally made by plastic products (plastic) and is formed.
On the one hand, in having the prior art of said structure, the control of the controller (controller) by drive motors (not having in the accompanying drawing to show), make electric current flow through the coil of stator 6, thereby rotor 7 is rotated, the connector and the axle 4 that are combined on the above-mentioned rotor 7 are rotated, thereby form the running of washing machine.
But the prior art washing machine with said structure has following shortcoming:
That is to say, along with the environment for use of washing machine and the variation of operating condition, can make rotor 7 produce very big variations in temperature, the connector 8 that causes being positioned at above-mentioned rotor 7 centres expands and shrinks, when above-mentioned connector 8 expands after-contraction, can cause producing between lower bearing 9 and the connector 8 slit (gap).
At this moment, the slit that produces between above-mentioned lower bearing 9 and the connector 8 means, has produced the slit between rotor 7 integral body and the lower bearing 9, also means the gap that has produced itself and rotor 7 along above-mentioned axle 4 directions.
So, during washing machine running in the prior art,, can cause producing the problem of noise because of the gap of above-mentioned rotor 7.
Summary of the invention
In order to solve the problem that prior art exists, the invention provides a kind of group of motors assembling structure that can bring the automatic washing machine of following effect: even change the heat that produces because of environment for use and operating condition, cause connector to expand repeatedly and shrink, also can prevent to produce the slit between rotor and the lower bearing, so the running noise that produces because of the gap of rotor during the running that can solve washing machine effectively.
In order to realize purpose of the present invention, a kind of group of motors assembling structure of automatic washing machine includes following structure: axle pad plate, stator, axle, rotor, connector and hold-down nut.Above-mentioned axle pad plate be arranged on water jacket below; Said stator be arranged on above-mentioned axle pad plate below; Above-mentioned axle connects above-mentioned axle pad plate; Above-mentioned rotor is arranged on the bottom of above-mentioned axle; Above-mentioned connector is arranged on above-mentioned centre of rotor position, and above-mentioned connector one end is combined on the outer peripheral face of axle, and an end is fixed on the rotor, sends the revolving force of above-mentioned rotor to above-mentioned axle; The said fixing nut is fixed on the bottom of above-mentioned rotor, and rotor is combined closely on lower bearing.Group of motors assembling structure for above-mentioned automatic washing machine, it is characterized in that: be arranged between lower bearing on the above-mentioned axle and the connector and be provided with the elastomeric element that the face of giving is pressed, can prevent to produce gap between rotor and the lower bearing by above-mentioned elastomeric element.
The group of motors assembling structure of automatic washing machine provided by the invention can bring following effect:
In the present invention,, cause connector to expand repeatedly and shrink, also can prevent to produce the slit between rotor and the lower bearing even because of environment for use and operating condition change the heat that produces.
So by the present invention, the running noise that produces because of the gap of rotor during the running that can solve washing machine is so improved the reliability of product.
Description of drawings
Fig. 1 is the structure example profilograph that demonstrates existing technology washing machine;
Fig. 2 is the details drawing that demonstrates existing technology major part;
Fig. 3 is the profilograph that demonstrates major part of the present invention;
Fig. 4 is the spring washer oblique view that demonstrates above-mentioned Fig. 3.
The critical piece description of reference numerals
2: water jacket 4: axle
5: axle pad plate 6: stator (stator)
7: rotor (rotor) 8: connector (connector)
9: lower bearing (bearing) 10: hold-down nut
11: elastomeric element
The specific embodiment
Below with reference to Fig. 3, Fig. 4, the embodiment of the group of motors assembling structure of automatic washing machine of the present invention is elaborated.
Fig. 3 demonstrates the profilograph of major part of the present invention.Fig. 4 demonstrates the spring washer oblique view of above-mentioned Fig. 3.
As shown in the figure, the group of motors assembling structure of automatic washing machine comprises: axle pad plate 5, stator 6, axle 4, rotor 7, connector 8 and hold-down nut 10.Above-mentioned axle pad plate 5 be arranged on water jacket 2 below; Said stator 6 be arranged on above-mentioned axle pad plate 5 below; Above-mentioned axle 4 connects above-mentioned axle pad plate 5; Above-mentioned rotor 7 is arranged on the bottom of above-mentioned axle 4; Above-mentioned connector 8 is arranged on the centre of above-mentioned rotor 7, and above-mentioned connector 8 one ends are combined on axle 4 the outer peripheral face, and an end is fixed on the rotor 7, sends the revolving force of above-mentioned rotor 7 to above-mentioned axle 4; Said fixing nut 10 is fixed on the bottom of above-mentioned rotor 7, and rotor 7 is combined closely in the direction of lower bearing 9.Group of motors assembling structure for above-mentioned automatic washing machine, it is characterized in that: be arranged between lower bearing 9 on the above-mentioned axle 4 and the connector 8 and be provided with the elastomeric element 11 that the face of giving is pressed, can prevent between rotor 7 and lower bearing 9, to produce the gap by above-mentioned elastomeric element 11.
At this moment, above-mentioned elastomeric element 11 can use the flat spring of spring washer or hollow shape.
Below, the effect of the present invention with said structure is elaborated.
In the present invention, even along with the environment for use and the operating condition of washing machine makes rotor 7 produce very big variations in temperature, the connector 8 that causes being positioned at above-mentioned rotor 7 centres shrinks, but press by the face to a certain degree that acts between above-mentioned connector 8 and the lower bearing 9, can eliminate the phenomenon that produces the slit between above-mentioned connector 8 and the lower bearing 9.
That is to say, in the present invention, owing between lower bearing on the axle 49 and connector 8, be provided with the such elastomeric element of spring-like packing ring 11, elastomeric element can make a certain size surface pressure act between connector 8 and the lower bearing 9, thereby prevented to produce the slit between above-mentioned connector 8 and the lower bearing 9, so can solve the problem that forms the gap on the rotor 7.
So,, unlike the prior art, can prevent running noise during the washing machine running because of the gap generation of rotor 7 by the present invention.
On the one hand, with above-mentioned different,, also can have identical effect even the elastomeric element 11 that the mutual face of member of imparting is pressed is arranged between rotor 7 and the hold-down nut 10.
Particularly, be arranged between connector 8 and the lower bearing 9 simultaneously above-mentioned elastomeric element 11 and the situation between hold-down nut 10 and the connector 8, can prevent the gap that produces on the rotor 7 effectively.
As mentioned above, in group of motors assembling structure of the present invention, can solve the problem in the gap that produces rotor 7, so the running noise that produces because of the gap of rotor can prevent the running of washing machine effectively the time by being arranged on the elastomeric element 11 of axle on 4.
Claims (4)
1, a kind of group of motors assembling structure of automatic washing machine comprises: axle pad plate, stator, axle, rotor, connector and hold-down nut; Above-mentioned axle pad plate be arranged on water jacket below; Said stator be arranged on above-mentioned axle pad plate below; Above-mentioned axle connects above-mentioned axle pad plate; Above-mentioned rotor is arranged on the bottom of above-mentioned axle; Above-mentioned connector is arranged on above-mentioned centre of rotor position, and above-mentioned connector one end is combined on the outer peripheral face of axle, and an end is fixed on the rotor, sends the revolving force of above-mentioned rotor to above-mentioned axle; The said fixing nut is fixed on the bottom of above-mentioned rotor, and rotor is combined closely on lower bearing; Group of motors assembling structure for above-mentioned automatic washing machine is characterized in that:
Be provided with the elastomeric element that the face of giving is pressed between the lower bearing of above-mentioned axle and the connector, can prevent between rotor and lower bearing, to produce the gap by above-mentioned elastomeric element.
2, the group of motors assembling structure of automatic washing machine according to claim 1 is characterized in that:
Above-mentioned elastomeric element is arranged between connector and the hold-down nut.
3, the group of motors assembling structure of automatic washing machine according to claim 1 and 2 is characterized in that:
Above-mentioned elastomeric element is a spring washer.
4, the group of motors assembling structure of automatic washing machine according to claim 1 and 2 is characterized in that:
Above-mentioned elastomeric element is the flat spring that can be inserted in the hollow shape on the axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021565651A CN1508339A (en) | 2002-12-17 | 2002-12-17 | Motor assembling structure for fully-automatic washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021565651A CN1508339A (en) | 2002-12-17 | 2002-12-17 | Motor assembling structure for fully-automatic washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1508339A true CN1508339A (en) | 2004-06-30 |
Family
ID=34236286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021565651A Pending CN1508339A (en) | 2002-12-17 | 2002-12-17 | Motor assembling structure for fully-automatic washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1508339A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016045177A1 (en) * | 2014-09-28 | 2016-03-31 | 青岛海尔洗衣机有限公司 | Gasket and washing machine decelerating clutch apparatus |
-
2002
- 2002-12-17 CN CNA021565651A patent/CN1508339A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016045177A1 (en) * | 2014-09-28 | 2016-03-31 | 青岛海尔洗衣机有限公司 | Gasket and washing machine decelerating clutch apparatus |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |