CN2926282Y - Drum-type washer - Google Patents
Drum-type washer Download PDFInfo
- Publication number
- CN2926282Y CN2926282Y CN 200620062845 CN200620062845U CN2926282Y CN 2926282 Y CN2926282 Y CN 2926282Y CN 200620062845 CN200620062845 CN 200620062845 CN 200620062845 U CN200620062845 U CN 200620062845U CN 2926282 Y CN2926282 Y CN 2926282Y
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- wash
- axle
- impeller
- washing machine
- bucket
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Abstract
The utility model provides a barrel washing machine, comprising a water bucket, a washing and dewatering barrel, a washing and dewatering axle, an impeller (or wave wheel), an impeller axle, and a power supply mechanism. The washing and dewatering barrel is fixed to the washing and dewatering axle and the impeller to the impeller axle. The power supply mechanism is directly or indirectly connected with the washing and dewatering axle. A clutch for power transfer is positioned between the impeller axle and the washing and dewatering axle. The utility model integrates the advantages of both impeller washing machine and cylinder washing machine and has attained the good results as a moderate whole unit sale price, less water consumption, lower electricity consumption, no cloth intertwining, a higher clean ratio, a shot washing duration, etc..
Description
Technical field
The utility model relates to a kind of washing machine, the washing machine that bucket and impeller changeed in the same way with speed when bucket was transferred impeller transfixion, dehydration when being specifically related to a kind of the washing.
Technical background
The washing machine that rotary drum washing machine and roller washing machine two big classes are arranged in the market.Two class washing machines all have merits and demerits separately.
The rotary drum washing machine advantage---the complete machine price is lower, power consumption is less, power of motor is low;
Rotary drum washing machine shortcoming---water consumption is big, it is higher than not to clean, clothes easily twines;
The roller washing machine advantage---water consumption is few, clean does not twine than high, clothing;
Roller washing machine shortcoming---complete machine price height, power consumption is big, power of motor is big, the laundry time is long.
The advantage of rotary drum washing machine is the shortcoming of roller washing machine just, and the also shortcoming of rotary drum washing machine just of the advantage of roller washing machine.Just in this case, research and develop the novel washing machine that a kind of washing machine can all have both at the same time the advantage of rotary drum washing machine and roller washing machine and become a kind of necessity.
Summary of the invention
The objective of the invention is to overcome the difference of prior art, design a kind of bucket formula washing machine that integrates the advantage of rotary drum washing machine and roller washing machine, bucket and impeller were with the fast washing machine of commentaries on classics in the same way when bucket was transferred impeller transfixion, dehydration when specifically, designing a kind of the washing.
In order to realize the foregoing invention purpose, the technical solution adopted in the utility model is as follows:
A kind of bucket is washed the formula washing machine, comprise steel ladle, wash-out bucket, wash-out axle, impeller, impeller axle, power source mechanism, described wash-out bucket and wash-out axle are affixed, impeller and impeller axle are affixed, it is characterized in that described power source mechanism directly or indirectly is connected with the wash-out axle, is provided with the arrangement of clutch of transmission of power between described impeller axle and the wash-out axle.
In the technique scheme, described power source mechanism comprises motor.
Described motor can directly be connected with the wash-out axle, and this moment, motor adopted variable-frequency motor, comprised variable-frequency motor rotor and variable-frequency motor stator, and the variable-frequency motor rotor is provided with cylinder type hollow portion, and described wash-out axle places this cylinder type hollow portion and affixed with the variable-frequency motor rotor.Directly drive the rotation of wash-out axle by the rotation of freq-variable electronic rotor, thereby drive the rotation of wash-out bucket.
When motor directly was connected with the wash-out axle, described arrangement of clutch adopted the clutch spring, and bucket washes the formula washing machine and also be provided with braked wheel, and the lower end of braked wheel and impeller axle is affixed, and described clutch spring is arranged between braked wheel and the wash-out axle.Clutch by the clutch spring, the transmission of power of control wash-out axle and impeller axle, when the clutch spring is in from state, only the impeller axle rotates under the effect of variable-frequency motor, realizes the washing function of washing machine, when the clutch spring is in when closing state, the impeller axle is together tight with braked wheel by the clutch spring, simultaneously just fastening with the wash-out axle with the affixed impeller axle of braked wheel, the effect of variable-frequency motor makes wash-out axle and impeller axle rotate together, realizes the dehydrating function of washing machine.
Described motor also can connect in succession with the wash-out between centers, this moment, motor adopted traditional motor, and washing machine also is provided with motor pulley, braked wheel, clutch shaft, power shaft, power shaft belt pulley, input shaft gear, planetary gear, planet axis, planet carrier, internal gear, inner gear housing; Described input shaft gear, planetary gear, planet axis, planet carrier, internal gear, inner gear housing all are arranged at braked wheel inside; The lower end of described wash-out axle places in the braked wheel, and described impeller axle sleeve is contained in the wash-out axle, and impeller axle lower end is connected with planet carrier, and planet carrier and clutch shaft are affixed, and clutch shaft and braked wheel lower end are affixed; Planet carrier is provided with planet axis, planetary gear is the movable installation of mandrel with the planet axis, and engagement in planetary gear and the internal gear, engagement in internal gear and the inner gear housing, the lower end of inner gear housing and wash-out axle is affixed, described planetary gear also with the input shaft gear external toothing, input shaft gear is fixed in the upper end of power shaft; The power shaft middle-end is sleeved in the clutch shaft, and the power shaft lower end is then affixed with the power shaft belt pulley; Described power shaft belt pulley is connected by belt with motor pulley.
When adopting indirect syndeton, described arrangement of clutch also adopts the clutch spring, and only the clutch spring is arranged between power shaft lower end and the clutch shaft.By the clutch for clutch control power shaft of clutch spring and the separate or merge of clutch shaft, thus the separate or merge of realization wash-out axle and impeller axle.
The inwall of impeller described in the utility model is provided with the reinforcement of projection.When hitting at impeller, better shunt in current toward both sides.
Described wash-out bucket is affixed for to be connected by flange with the wash-out axle, and described impeller is affixed for to be connected by spline with the impeller axle.
Described steel ladle also links to each other with casing by damping shock absorption balance suspension rod, described wash-out bucket is arranged in the steel ladle inner chamber, wash-out bucket upper end flexibly connects by rotating retaining ring and steel ladle, is provided with the large sealing packing ring that is used for water proof between wash-out bucket lower end and the steel ladle bottom.
Described wash-out bucket adopts double-decker, and nexine was provided with the water aperture, and skin then adopts hermetically sealed structure.
The utility model is affixed by braked wheel and impeller axle, and power source mechanism only is connected with the wash-out axle, thereby when making washing, drive the rotation of wash-out axle by power source mechanism, thereby realize the rotation of wash-out bucket, and the arrangement of clutch between braked wheel and the wash-out axle be in " from " state, so power source mechanism does not drive braked wheel, with the affixed impeller axle of braked wheel also with regard to transfixion, impeller also just remains static simultaneously, realizes bucket then impeller does not change; When dehydration, the arrangement of clutch between braked wheel and the wash-out axle is in " closing " state, and power source mechanism is when driving the rotation of wash-out axle, and braked wheel also and then is driven, and makes impeller axle and wash-out axle rotate in the same way simultaneously, realizes the rotation in the same way of bucket and impeller.
The utility model rolls into one rotary drum washing machine and roller washing machine advantage separately and haves both at the same time, thereby reaches that the complete machine price is moderate, water consumption is few, power consumption is low, clothing does not twine, clean than effect good, that the laundry time shortens.During the washing operating mode, owing to be to have and have only wash-out bucket active rotation, the speed of the three sections water movements in upper, middle and lower is more balanced, more powerful in the feasible bucket, has improved clean ratio greatly, thereby has made the laundry time shorten greatly; And water conservancy diversion impeller transfixion, by the guiding of the streamlined on it tank the water that the center rotation descends is outwards guided, form the current that roll of backspin diffusion form
The clothing of assembling to the center is outwards spread out again, thereby reach the effect that clothing does not twine; The appropriate design of driving mechanism makes the power of power source mechanism can be reduced to the level of pulsator washing machine, compares more power saving of tumbling-box washing machine; The original double layer design of wash-out bucket and unique Seal Design, water-saving more when making its washing.
During dehydration condition, wash-out bucket and water conservancy diversion impeller rotate in the same way with speed, and the wash-out bucket is relative with the water conservancy diversion impeller static, can not twine clothing, thereby avoid tearing to shreds the phenomenon of clothing.
The utility model washing machine is compared with existing rotary drum washing machine, roller washing machine and had the following advantages and good effect: 1. the complete machine cost reduces, and 2. clothing does not twine, and 3. power consumption reduces, and 4. water consumption reduces, and 5. cleans than improving, and 6. the laundry time shortens.
Description of drawings
Fig. 1 is one of embodiment of the utility model washing machine;
Fig. 2 is the A part enlarged drawing among one of the utility model washing machine embodiment;
Fig. 3 be the utility model washing machine embodiment two;
Fig. 4 be the utility model washing machine embodiment two in B part enlarged drawing;
Fig. 5 is one of embodiment of the utility model washing machine wash-out bucket, water conservancy diversion impeller.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
Embodiment one:
The structural representation of present embodiment mainly is made up of damping shock absorption balance suspension rod 1, steel ladle 2, rotation retaining ring 3, wash-out bucket 4, water conservancy diversion impeller 5, power source mechanism 6, driving mechanism 7 shown in accompanying drawing 1, accompanying drawing 2.The variable-frequency motor formed by hollow variable-frequency motor rotor 9 and variable-frequency motor stator 10 etc. of power source mechanism 6 wherein; Driving mechanism 7 is made up of wash-out axle 11, water conservancy diversion impeller axle 12, clutch spring 13, braked wheel 14, brake band 15.
Its architectural feature is: steel ladle 2 links to each other with casing by some damping shock absorption balance suspension rods 1; Wash-out bucket 4 is arranged in steel ladle 2 inner chambers, and wash-out bucket 4 upper ends flexibly connect with steel ladle 2 by rotating retaining ring 3, and the wash-out axle 11 of wash-out bucket 4 lower ends and driving mechanism 7 is undertaken affixed by flange; Water conservancy diversion impeller 5 passes through splined with water conservancy diversion impeller axle 12; Wash-out axle 11 middle parts and hollow variable-frequency motor rotor 9 are affixed; Water conservancy diversion impeller axle 12 is affixed with braked wheel 14.
Its concrete operation principle is: during the washing operating mode, braked wheel 14 is braked is with 15 to hold tightly and brake and transfixion, so with the affixed water conservancy diversion impeller axle 12 of braked wheel 14 also transfixion, correspondingly be fixed in the also transfixion of water conservancy diversion impeller 5 on the water conservancy diversion impeller axle 12, variable-frequency motor rotor 9 rotates under the effect of the rotary magnetic field that forms after the energising, also rotate with rotor 9 affixed wash-out axles 11 so, the wash-out bucket 4 that correspondingly is fixed on wash-out axle 11 flanges also rotates, and clutch spring 13 unclamps at this moment, and skids and unpowered transmission between the wash-out axle 11.So during the washing operating mode, water conservancy diversion impeller 5 transfixions are only rotated by wash-out bucket 4 and are washed.During dehydration condition, brake band 15 unclamps, clutch spring 13 is held wash-out axle 11 and braked wheel 14 tightly, make wash-out bucket 4, water conservancy diversion impeller 5, wash-out axle 11, water conservancy diversion impeller axle 12, clutch spring 13, braked wheel 14, variable-frequency motor rotor 9 form a static relatively integral body, next rises to rotate and dewaters in the drive of variable-frequency motor rotor 9.
Embodiment two:
The structural representation of present embodiment such as accompanying drawing 3 and accompanying drawing 4, the utility model mainly are made up of damping shock absorption balance suspension rod 1, steel ladle 2, rotation retaining ring 3, wash-out bucket 4, water conservancy diversion impeller 5, driving mechanism 7, power source mechanism 6, belt 8.Wherein power source mechanism 6 mainly contains single-phase asynchronous motor 30 and motor pulley 31 compositions.Driving mechanism 7 mainly is made up of rub sassafras cover 19, belt pulley 20, power shaft 21, input shaft gear 22, planetary gear 23, planet axis 24, upper planet frame 25, lower planet frame 26, internal gear 27, inner gear housing 28, wash-out axle spline 29 of wash-out axle 11, water conservancy diversion impeller 12, sealing ring 16, oiliness bearing 17, braked wheel 14, brake band 15, clutch shaft 18, clutch spring 13, square hole.
Its concrete architectural feature is: steel ladle 2 links to each other with casing by some damping shock absorption balance suspension rods 1; Wash-out bucket 4 is arranged in steel ladle 2 inner chambers, and wash-out bucket 4 upper ends flexibly connect with steel ladle 2 by rotating retaining ring 3, and the wash-out axle 11 of wash-out bucket 4 lower ends and driving mechanism 7 is undertaken affixed by flange; Wash-out axle 11 is sleeved in the braked wheel 14, and sealing ring 16 and oiliness bearing 17 are housed between wash-out axle 11 and the braked wheel 14; Water conservancy diversion impeller 5 and water conservancy diversion impeller axle 12 pass through splined; Water conservancy diversion impeller axle 12 is sleeved in the wash-out axle 11, separates with oiliness bearing between them; Water conservancy diversion impeller axle 12 lower ends connect with upper planet frame 25 usefulness splines, and upper planet frame 25 is fixedly connected with lower planet frame 26 usefulness riveteds, and lower planet frame 26 is affixed with clutch shaft 18, and it is affixed that riveted is carried out in clutch shaft 18 and braked wheel 14 lower ends; Between upper planet frame 25 and the lower planet frame 26 some planet axis 24 are housed, planetary gear 23 is that mandrel carries out the activity installation with planet axis 24; Several planetary gears 23 and internal gear 27 interior engagements, internal gear 27 and inner gear housing 28 interior engagements, inner gear housing 28 and wash-out axle spline 29 are affixed, and wash-out axle spline 29 is fixed in the lower end of wash-out axle 11; Carry out external toothing with input shaft gear 22 again when meshing in planetary gear 23 and the internal gear 27, input shaft gear 22 is fixed in the upper end of power shaft 21; Power shaft 21 is sleeved in the clutch shaft 18, separates with oiliness bearing between them, and power shaft 21 lower ends and square hole rub, and to examine cover 19 affixed, and power shaft 21 lower ends are fixedly connected with belt pulley 20 again; Be connected by belt 8 between belt pulley 20 and the motor pulley 31; Motor pulley 31 is fixedly connected with single-phase asynchronous motor 30.
Its concrete operation principle is: washing is during operating mode, and braked wheel 14 is braked is with 15 to hold tightly and brake and transfixion, and clutch spring 13 is in releasing orientation and the square hole sassafras cover 19 that rubs and skids and unpowered transmission.The transmission of dynamic and static two lines is as follows respectively---
1. rotational power transmission: single-phase asynchronous motor 30 → motor pulley 31 → belt 8 → belt pulley 20 → power shaft 21 → input shaft gear 22 → planetary gear 23 → internal gear 27 → inner gear housing 28 → wash-out axle spline 29 → wash-out axle 11 → wash-out bucket 4.
2. static transmission of power: brake band 15 → braked wheel 14 → clutch shaft 21 → lower planet frame 26 → upper planet frame 25 → water conservancy diversion impeller axle 12 → water conservancy diversion impeller 5.
So during the washing operating mode, water conservancy diversion impeller 5 transfixions only drive 4 rotations of wash-out bucket by single-phase asynchronous motor 30 and wash.
During dehydration condition, brake band 15 unclamps, and clutch spring 18 is held clutch shaft 18 and the square hole sassafras cover 19 that rubs tightly, makes clutch shaft 18 and the square hole sassafras cover 19 that rubs form a relative static integral body.Because of clutch shaft 18 and lower planet frame 26 affixed, lower planet frame 26 is affixed with upper planet frame 25, upper planet frame 25 is affixed with water conservancy diversion impeller axle 12, water conservancy diversion impeller axle 12 is affixed with water conservancy diversion impeller 5, so water conservancy diversion impeller 5 and clutch shaft 18 no relative motions have this derivation to obtain water conservancy diversion impeller 5 and the square hole sassafras that rubs and overlap 19 relative transfixions; The square hole sassafras cover 19 that rubs is affixed with power shaft 21, so water conservancy diversion impeller 5 and power shaft 21 relative transfixions; Because of clutch shaft 18 and lower planet frame 26 affixed, planet axis 24 is fixedly connected between lower planet frame 26 and upper planet frame 25, so planetary gear 23 and the no relative motion of input shaft gear 22 (being central gear), that is input shaft gear 22 self can not rotate with planetary gear 23, the internal gear 27 of this moment can not rotate, inner gear housing 28 is also inactive, because of inner gear housing 28 and wash-out axle spline 29 affixed, wash-out axle spline 29 is affixed with wash-out axle 11, wash-out axle 11 is affixed with wash-out bucket 4, so wash-out bucket 4 and power shaft 21 relative transfixions.To sum up state, wash-out bucket 4 and water conservancy diversion impeller 5 be all with respect to power shaft 21 transfixions, that is wash-out bucket 4 and water conservancy diversion impeller 5 rotate in the same way with speed under the drive of power shaft 21.So during dehydration condition, single-phase asynchronous motor 30 drives motor pulley 31 and rotates, give belt pulley 20 by belt 8 with transmission of power, and belt pulley 20 passes to affixed with it power shaft 21, dewater so power shaft 21 drive wash-out buckets 4 and water conservancy diversion impeller 5 rotate in the same way with speed.
Among the foregoing description one and the embodiment two, the structure of water conservancy diversion impeller 5 and wash-out bucket 4 as shown in Figure 5, the inwall of water conservancy diversion impeller 5 have the projection reinforcement.Wash-out bucket 4 is a double-decker, and one deck of the inside has some water apertures of crossing, and outside one deck is hermetically sealed structure, the two-layer formation wash-out bucket 4 that is fixedly connected of being close to.Wash-out bucket 4 and steel ladle 2 carry out water proof with a large sealing packing ring 32 between the bottom.
Claims (10)
1, a kind of bucket is washed the formula washing machine, comprise steel ladle, wash-out bucket, wash-out axle, impeller, impeller axle, power source mechanism, described wash-out bucket and wash-out axle are affixed, impeller and impeller axle are affixed, it is characterized in that described power source mechanism directly or indirectly is connected with the wash-out axle, is provided with the arrangement of clutch of transmission of power between described impeller axle and the wash-out axle.
2, bucket according to claim 1 is washed the formula washing machine, it is characterized in that described power source mechanism comprises motor.
3, bucket according to claim 2 is washed the formula washing machine, it is characterized in that described motor comprises variable-frequency motor rotor and variable-frequency motor stator, the variable-frequency motor rotor is provided with cylinder type hollow portion, and described wash-out axle places this cylinder type hollow portion and affixed with the variable-frequency motor rotor.
4, bucket according to claim 3 is washed the formula washing machine, it is characterized in that described arrangement of clutch is the clutch spring, described bucket is washed the formula washing machine and also is provided with braked wheel, and the lower end of braked wheel and impeller axle is affixed, and described clutch spring is arranged between braked wheel and the wash-out axle.
5, bucket according to claim 2 is washed the formula washing machine, it is characterized in that also being provided with motor pulley, braked wheel, clutch shaft, power shaft, power shaft belt pulley, input shaft gear, planetary gear, planet axis, planet carrier, internal gear, inner gear housing; Described input shaft gear, planetary gear, planet axis, planet carrier, internal gear, inner gear housing all are arranged at braked wheel inside;
The lower end of described wash-out axle places in the braked wheel, and described impeller axle sleeve is contained in the wash-out axle, and impeller axle lower end is connected with planet carrier, and planet carrier and clutch shaft are affixed, and clutch shaft and braked wheel lower end are affixed; Planet carrier is provided with planet axis, planetary gear is the movable installation of mandrel with the planet axis, and engagement in planetary gear and the internal gear, engagement in internal gear and the inner gear housing, the lower end of inner gear housing and wash-out axle is affixed, described planetary gear also with the input shaft gear external toothing, input shaft gear is fixed in the upper end of power shaft; The power shaft middle-end is sleeved in the clutch shaft, and the power shaft lower end is then affixed with the power shaft belt pulley;
Described power shaft belt pulley is connected by belt with motor pulley.
6, bucket according to claim 5 is washed the formula washing machine, it is characterized in that described arrangement of clutch is the clutch spring, and the clutch spring is arranged between power shaft lower end and the clutch shaft.
7, wash the formula washing machine according to claim 4 or 6 described buckets, it is characterized in that the inwall of described impeller is provided with the reinforcement of projection.
8, bucket according to claim 7 is washed the formula washing machine, it is characterized in that the affixed for to be connected by flange of described wash-out bucket and wash-out axle, and described impeller is affixed for to be connected by spline with the impeller axle.
9, bucket according to claim 8 is washed the formula washing machine, it is characterized in that described steel ladle also links to each other with casing by damping shock absorption balance suspension rod, described wash-out bucket is arranged in the steel ladle inner chamber, wash-out bucket upper end flexibly connects by rotating retaining ring and steel ladle, is provided with the large sealing packing ring that is used for water proof between wash-out bucket lower end and the steel ladle bottom.
10, bucket according to claim 9 is washed the formula washing machine, it is characterized in that described wash-out bucket adopts double-decker, and nexine was provided with the water aperture, and skin then adopts hermetically sealed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620062845 CN2926282Y (en) | 2006-08-11 | 2006-08-11 | Drum-type washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620062845 CN2926282Y (en) | 2006-08-11 | 2006-08-11 | Drum-type washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2926282Y true CN2926282Y (en) | 2007-07-25 |
Family
ID=38280523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620062845 Expired - Fee Related CN2926282Y (en) | 2006-08-11 | 2006-08-11 | Drum-type washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2926282Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628280A (en) * | 2012-08-28 | 2014-03-12 | 宁波吉德电器有限公司 | Full-automatic washing machine capable of washing variously |
| CN103668855A (en) * | 2014-01-15 | 2014-03-26 | 济南大学 | Drum and impeller mixed type washing machine |
| CN103911796A (en) * | 2014-03-31 | 2014-07-09 | 广东威灵电机制造有限公司 | Pulsator washing machine |
| CN108070980A (en) * | 2016-11-14 | 2018-05-25 | 青岛海尔洗衣机有限公司 | A kind of washing machine inner tub and washing machine |
| CN109944023A (en) * | 2019-04-01 | 2019-06-28 | Tcl家用电器（合肥）有限公司 | Washing machine |
| CN113249922A (en) * | 2020-02-07 | 2021-08-13 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
-
2006
- 2006-08-11 CN CN 200620062845 patent/CN2926282Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628280A (en) * | 2012-08-28 | 2014-03-12 | 宁波吉德电器有限公司 | Full-automatic washing machine capable of washing variously |
| CN103628280B (en) * | 2012-08-28 | 2016-07-06 | 宁波吉德电器有限公司 | A kind of can the automatic washing machine of multiple washing |
| CN103668855A (en) * | 2014-01-15 | 2014-03-26 | 济南大学 | Drum and impeller mixed type washing machine |
| CN103911796A (en) * | 2014-03-31 | 2014-07-09 | 广东威灵电机制造有限公司 | Pulsator washing machine |
| CN103911796B (en) * | 2014-03-31 | 2017-05-31 | 广东威灵电机制造有限公司 | Rotary drum washing machine |
| CN108070980A (en) * | 2016-11-14 | 2018-05-25 | 青岛海尔洗衣机有限公司 | A kind of washing machine inner tub and washing machine |
| CN108070980B (en) * | 2016-11-14 | 2021-09-17 | 青岛海尔洗衣机有限公司 | Inner barrel of washing machine and washing machine |
| CN109944023A (en) * | 2019-04-01 | 2019-06-28 | Tcl家用电器（合肥）有限公司 | Washing machine |
| CN109944023B (en) * | 2019-04-01 | 2021-07-02 | Tcl家用电器（合肥）有限公司 | Washing machine |
| CN113249922A (en) * | 2020-02-07 | 2021-08-13 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
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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: 20090911 |