CN107558108B - Electromagnetic clutch double-drive washing machine clutch - Google Patents
Electromagnetic clutch double-drive washing machine clutch Download PDFInfo
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- CN107558108B CN107558108B CN201711052499.0A CN201711052499A CN107558108B CN 107558108 B CN107558108 B CN 107558108B CN 201711052499 A CN201711052499 A CN 201711052499A CN 107558108 B CN107558108 B CN 107558108B
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- brake
- electromagnetic clutch
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- 238000005406 washing Methods 0.000 title claims abstract description 37
- 230000018044 dehydration Effects 0.000 claims abstract description 44
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 44
- 238000005096 rolling process Methods 0.000 claims abstract description 28
- 230000009467 reduction Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 230000009977 dual effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000005256 carbonitriding Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention discloses an electromagnetic clutch double-drive washing machine clutch, which comprises an upper shell and a lower shell, wherein a brake arm is arranged on the lower shell, an input shaft, a brake wheel, an output shaft, a first rolling bearing and a second rolling bearing are arranged between the upper shell and the lower shell, a double-drive speed reduction gear train is arranged in an inner cavity of the brake wheel, and the brake wheel is sleeved on the input shaft; the double-drive reduction gear train comprises a planetary gear shaft, a first central gear, a planetary gear, an idler gear and a second central gear, a dehydration shaft is sleeved on the output shaft, and an electromagnetic clutch device is arranged between the brake wheel and the inner wall surface of the upper shell. The technical scheme has the advantages of reasonable structural design, simple structure, good rigidity of the whole machine, strong bearing capacity, reliable work and long service life.
Description
Technical Field
The invention relates to the technical field of washing machines, in particular to an electromagnetic clutch double-drive washing machine clutch.
Background
The traditional washing machine speed reduction clutch mainly comprises a brake wheel shaft, a bearing, a brake wheel, a brake belt, a speed reducer, a dehydration shaft, an input shaft, an output shaft and a clutch device, wherein a speed reduction gear train of the speed reducer is generally composed of a single planetary gear train, only a speed reduction function from the input shaft to the output shaft can be realized, when the brake wheel is braked, the dehydration shaft is braked, a driving motor can only drive the output shaft to rotate positively and negatively.
At present, when the domestic double-power washing machine is in a washing working condition, if the impeller and the dewatering barrel simultaneously perform a fixed differential rotation speed ratio and rotate in opposite directions, the washing is performed in stable ideal water flow, the washing effect or the washing ratio is improved, and the phenomenon of entanglement of the washing is reduced or even stopped. However, the running characteristics of the impeller shaft and the dewatering shaft of the existing dual-power washing machine speed reducing clutch are opposite to each other, so that the brake wheel and the dewatering shaft are movably connected, and the quality problems of high dewatering vibration and the like are often caused by insufficient rigidity of a machine core part along with the increase of the washing capacity of the washing machine, and the dewatering noise of the washing machine is influenced.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the electromagnetic clutch double-drive washing machine clutch which has the advantages of reasonable structural design, simple structure, good rigidity of the whole machine, strong bearing capacity, reliable work and long service life.
In order to achieve the above purpose, the present invention provides the following technical solutions: the clutch of the electromagnetic clutch double-drive washing machine comprises an upper shell and a lower shell, wherein a storage cavity is formed between the upper shell and the lower shell, a brake arm is arranged on the lower shell, an input shaft, a brake wheel, an output shaft, a first rolling bearing and a second rolling bearing are arranged in the storage cavity, a double-drive reduction gear train is arranged in an inner cavity of the brake wheel, and the brake wheel is sleeved on the input shaft; the double-drive reduction gear train comprises a planetary gear shaft, a first sun gear, a planetary gear, an idler gear and a second sun gear, wherein a dehydration shaft is sleeved on the output shaft, a brake wheel is sleeved outside the second rolling bearing, the lower end of the brake wheel is connected with the brake gear shaft, the planetary gear shaft is arranged in the brake wheel, the planetary gear is sleeved on the planetary gear shaft, the first sun gear is arranged at the lower end of the output shaft, an electromagnetic clutch device is arranged between the brake wheel and the inner wall surface of the upper shell, a first shaft hole is formed in the middle of the electromagnetic clutch device, the dehydration shaft is arranged in the first shaft hole in a penetrating mode, a brake wheel sealing ring is sleeved at the lower end position of the dehydration shaft, a second sun gear is sleeved at the lower end position of the brake wheel sealing ring, and an idler gear is arranged between the first sun gear and the second sun gear.
By adopting the technical scheme, the speed reducer consists of the double-drive speed reducing gear train which is a speed reducing transmission chain between the input shaft and the output shaft and a transmission chain with opposite speed reducing and steering directions between the output shaft and the dehydration shaft, so that the speed reducing ratio, the relative reverse rotation of the output shaft and the dehydration shaft and the bearing capacity are met; because the electromagnetic clutch is added during dehydration, the integral rigidity of the movement part is enhanced, and the dehydration is smoother. Therefore, the speed reducing gear train has novel structure, good system rigidity, strong bearing capacity, reliable work and long service life, realizes rubbing and washing of the washed objects in stable and ideal water flow, improves the effect and washing ratio, and reduces or even eliminates the entanglement phenomenon of the washed objects.
The invention is further provided with: the upper end of the input shaft is integrally provided with an input shaft gear, the input shaft gear is meshed with the planetary gear and drives the first central gear and the idler gear to operate, the planetary gear and the idler gear are uniformly arranged on the same circumference, and the idler gear drives the second central gear to operate, so that the rotation direction of the dewatering shaft and the rotation direction of the output shaft are opposite. Through this setting, the structure sets up more rationally, reliable operation.
The invention is further arranged to: an oil seal is arranged at the shaft neck of the brake shaft. Through this setting, the oil blanket seals the dual drive reduction gear train of brake wheel inner chamber.
The invention is further arranged to: the shaft neck of the brake wheel is provided with a brake wheel sealing ring and two second rolling bearings, and the brake wheel sealing ring and the second rolling bearings are sleeved on the dewatering shaft. Through this setting, the structure sets up more rationally, reliable operation.
The invention is further arranged to: the brake wheel shaft is fixedly arranged on the brake wheel, and the dehydration shaft is fixedly connected with the brake wheel through a second rolling bearing to form a whole. Through this setting, the structure sets up more rationally, reliable operation.
The invention is further arranged to: the upper end face of the upper shell is provided with a bearing groove, and a third rolling bearing is arranged in the bearing groove. Through this setting, third antifriction bearing and first antifriction bearing all play the supporting role.
The invention is further arranged to: and a braking belt is arranged on the outer surface of the braking wheel and is connected with the braking arm. Through this setting, the structure sets up more rationally, reliable operation.
The invention has the advantages that: compared with the prior art, the invention has more reasonable structural arrangement and simple structure, the speed reducer consists of the double-drive speed reducing gear train which is a speed reducing transmission chain between the input shaft and the output shaft and a transmission chain between the output shaft and the dehydration shaft, and the speed reducing and steering directions of the transmission chain are opposite, thereby meeting the requirements of the speed reducing ratio, the relative reverse rotation of the output shaft and the dehydration shaft and the bearing capacity; because the electromagnetic clutch is added during dehydration, the integral rigidity of the movement part is enhanced, and the dehydration is smoother. Therefore, the speed reducing gear train has novel structure, good system rigidity, strong bearing capacity, reliable work and long service life, realizes rubbing and washing of the washed objects in stable and ideal water flow, improves the effect and washing ratio, and reduces or even eliminates the entanglement phenomenon of the washed objects.
The invention is further described below with reference to the drawings and specific examples.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a movement according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1 and 2, the clutch of the electromagnetic clutch double-drive washing machine disclosed by the invention comprises an upper shell 1 and a lower shell 2, wherein a storage cavity is formed between the upper shell 1 and the lower shell 2, a brake arm 3 is arranged on the lower shell 2, an input shaft 4, a brake wheel shaft 5, a brake wheel 6, an output shaft 7, a first rolling bearing 8 and a second rolling bearing 9 are arranged in the storage cavity, a double-drive reduction gear train is arranged in an inner cavity of the brake wheel 6, and the brake wheel shaft 5 is sleeved on the input shaft 4; the double-drive reduction gear train comprises a planetary wheel shaft 10, a first sun gear 11, a planetary gear 12, an idler gear 13 and a second sun gear 14; the output shaft 7 is sleeved with a dehydration shaft 15, the second rolling bearing 9 is sleeved with the brake wheel 6, the lower end of the brake wheel 6 is connected with the brake wheel shaft 5, the planetary wheel shaft 10 is installed in the brake wheel 6, the planetary gear 12 is sleeved on the planetary wheel shaft 10, the first sun gear 11 is installed at the lower end of the output shaft 7, an electromagnetic clutch device 16 is arranged between the brake wheel 6 and the inner wall surface of the upper shell 1, a first shaft hole is arranged in the middle of the electromagnetic clutch device 16, the dehydration shaft 15 is arranged in the first shaft hole in a penetrating mode, the dehydration shaft 15 is located at the lower end position of the second rolling bearing 9 and sleeved with a brake wheel sealing ring 17, the dehydration shaft 15 is located at the lower end position of the brake wheel sealing ring 17 and sleeved with a second sun gear 14, and an idler gear 13 is installed between the first sun gear 11 and the second sun gear 14.
Preferably, the brake arm 3 is fixed with the lower housing 2 by the existing bolt connection; the upper shell 1 and the lower shell 2 are fixedly connected through the existing bolts; the first rolling bearing 8 is sleeved on the brake wheel shaft 5.
The electromagnetic clutch device 16 comprises an armature, a sliding sleeve, an external spline sleeve, a clutch spring, a coil and an iron core, the coil is electrified during dehydration, the sliding sleeve slides upwards under the action of the armature, so that a dehydration shaft and a brake wheel are fixedly (rigidly) connected in a dehydration state, the overall rigidity of the speed reduction clutch is improved, the stability of the whole machine during dehydration is good, the problems of large vibration of an inner barrel during dehydration and the like are solved, and the noise during dehydration is reduced.
In order to make the structural arrangement of the present invention more reasonable, as a preferred embodiment, the upper end of the input shaft 4 is integrally provided with an input shaft gear 41, the input shaft gear 41 is meshed with the planetary gear 12 and drives the first sun gear 11 and the idle gear 13 to operate, the planetary gear 12 and the idle gear 13 are uniformly arranged on the same circumference, and the idle gear 13 drives the second sun gear 14 to operate, so that the rotation directions of the dewatering shaft 15 and the output shaft 7 are opposite.
An oil seal 18 is provided at the journal of the brake axle 5.
The shaft neck of the brake wheel 6 is provided with a brake wheel sealing ring 17 and two second rolling bearings 9, and the brake wheel sealing ring 17 and the second rolling bearings 9 are sleeved on the dewatering shaft 15.
The brake wheel shaft 5 is fixedly arranged on the brake wheel 6, and the dehydration shaft 15 is fixedly connected with the brake wheel 6 through a second rolling bearing 9 to form a whole.
The upper end face of the upper shell 1 is provided with a bearing groove, and a third rolling bearing 19 is arranged in the bearing groove.
A brake band 20 is arranged on the outer surface of the brake wheel 6, and the brake band 20 is connected with the brake arm 3.
The present embodiment is a reduction gear train between the input shaft 4 and the output shaft 7, and the idler gear 13 and the second sun gear 14 are gear trains which are opposite in speed reduction and rotation direction between the output shaft 7 and the dewatering shaft 15.
The method is practically applied: when the brake arm is in an initial state, the existing motor drives the input shaft to rotate, the input shaft drives the input shaft gear, the first sun gear and the output shaft are driven to run in the same direction through the planetary gear, meanwhile, the idler gear drives the second sun gear to run through the planetary gear, and the second sun gear and the dehydration shaft are connected bodies pressed together, so that the dehydration shaft is driven to rotate at the same time, and the transmission chains opposite to the output shaft are turned to each other, and the clutch is in a washing state at the moment; on the contrary, when the brake arm is opened, the clutch device is reset, the brake belt releases the brake wheel, the input shaft gear is combined with the brake wheel shaft, the electromagnetic clutch device is electrified, the brake wheel is fixedly connected with the dehydration shaft into a whole, and at the moment, the whole movement comprising the input shaft gear, the brake wheel shaft, the brake wheel, the output shaft, the dehydration shaft and the like is combined into a whole. Under the supporting action of the third rolling bearing and the first rolling bearing and the driving of the motor, the whole movement is driven to rotate at a high speed clockwise by the rotating speed of the input shaft, so that the high-efficiency centrifugal dehydration of the washed objects in the dehydration barrel is realized, and the requirement of low water content is met. After dehydration is completed, the brake arm returns to an initial state, and the brake belt holds the brake wheel tightly, so that the brake wheel is braked, the dehydration barrel and the whole movement are gradually decelerated until the dehydration barrel and the whole movement are completely stopped, and the brake arm returns to the initial state to prepare for washing working conditions.
The invention adds the electromagnetic clutch device, and the electromagnetic clutch is electrified to be attracted during dehydration, so that the dehydration shaft and the brake wheel are connected together, the integral rigidity of the movement part is further enhanced, and the dehydration is more stable. Therefore, the speed reducing clutch system has the advantages of good rigidity, strong bearing capacity, reliable work, long service life and improved dehydration efficiency.
In addition, the invention can also be modified as follows:
1. and designing a duplex transmission gear:
the duplex gear is a conjuncted with two tooth profiles, there is a tooth profile at both ends respectively, be provided with first sun gear and second sun gear in the train, first sun gear and output shaft are linked firmly, the second sun gear links firmly with the dehydration axle, the input shaft tooth profile cooperates with the one end tooth profile of planetary gear, the other end tooth profile of planetary gear cooperates with the one end tooth profile of idler and first sun gear respectively, the other end of idler cooperates with the second sun gear. The motor drives the input shaft to rotate, the output shaft outputs power after the input shaft, the planetary gear and the first central gear are decelerated, the dehydration shaft outputs power in the opposite direction after the input shaft, the planetary gear, the idler gear and the second central gear are decelerated, and finally, double power output of the reverse fixed transmission ratio to the pulsator and the inner barrel is achieved, and finally, the double-power washing function is achieved.
2. The speed reducing mechanism of the speed reducing clutch adopts a metal gear transmission, and replaces the traditional plastic planetary gear transmission by the metal gear meshing speed reducing transmission, so that the strength problem of planetary gear transmission is solved, the requirement of the high-capacity double-power washing machine is met, the washing is rubbed and washed in stable and ideal water flow, the effect and the washing ratio are improved, and the winding phenomenon of the washing is reduced or even stopped.
3. The novel sealing gasket is in interference fit with the dewatering shaft, so that the sealing effect of the sealing lip is better, the grease seepage prevention effect is achieved, grease is prevented from seeping into the rolling bearing, and the corrosion of the rolling bearing can be avoided, and the service life of the speed reduction clutch is prolonged;
4. the surface of the brake wheel adopts carbonitriding process and shot blasting process, and the surface of the brake wheel is additionally processed by Dacromet process, so that the surface hardness and wear resistance are improved.
The foregoing embodiments are provided for further explanation of the present invention and are not to be construed as limiting the scope of the present invention, and some insubstantial modifications and variations of the present invention, which are within the scope of the invention, will be suggested to those skilled in the art in light of the foregoing teachings.
Claims (7)
1. The utility model provides an electromagnetic clutch double drive washing machine clutch, includes casing (1) and lower casing (2), constitute one between casing (1) and the lower casing (2) and put the thing cavity, be provided with brake arm (3) on casing (2) down, put and be provided with input shaft (4), brake shaft (5), brake wheel (6), output shaft (7), first antifriction bearing (8) and second antifriction bearing (9) in the thing cavity, its characterized in that: a double-drive reduction gear train is arranged in the inner cavity of the brake wheel (6), and the brake wheel shaft (5) is sleeved on the input shaft (4); the double-drive reduction gear train comprises a planetary gear shaft (10), a first sun gear (11), a planetary gear (12), an idler gear (13) and a second sun gear (14), a dehydration shaft (15) is sleeved on the output shaft (7), a brake wheel (6) is sleeved outside the second rolling bearing (9), the lower end of the brake wheel (6) is connected with a brake gear shaft (5), the planetary gear shaft (10) is installed in the brake wheel (6), the planetary gear (12) is sleeved on the planetary gear shaft (10), the first sun gear (11) is installed at the lower end of the output shaft (7), an electromagnetic clutch device (16) is arranged between the brake wheel (6) and the inner wall surface of the upper shell (1), a first shaft hole is formed in the middle of the electromagnetic clutch device (16), a brake wheel sealing ring (17) is sleeved at the lower end position of the second rolling bearing (9) of the dehydration shaft (15), a second sun gear (14) is sleeved at the lower end position of the brake wheel sealing ring (17), and an electromagnetic clutch device (16) is arranged between the first sun gear (14) and the first sun gear (13).
2. The electromagnetic clutch dual-drive washing machine clutch according to claim 1, wherein: the novel dewatering device is characterized in that an input shaft gear (41) is integrally arranged at the upper end of the input shaft (4), the input shaft gear (41) is meshed with a planetary gear (12) and drives a first sun gear (11) and an idler gear (13) to operate, the planetary gear (12) and the idler gear (13) are uniformly arranged on the same circumference, and the idler gear (13) drives a second sun gear (14) to operate, so that the dewatering shaft (15) and the output shaft (7) are opposite in steering.
3. The electromagnetic clutch dual-drive washing machine clutch according to claim 2, wherein: an oil seal (18) is arranged at the shaft neck of the brake wheel shaft (5).
4. A clutch for an electromagnetic clutch dual-drive washing machine as claimed in claim 3, wherein: a brake wheel sealing ring (17) and two second rolling bearings (9) are arranged at the shaft neck of the brake wheel (6), and the brake wheel sealing ring (17) and the second rolling bearings (9) are sleeved on the dewatering shaft (15).
5. The electromagnetic clutch dual drive washing machine clutch as claimed in claim 4, wherein: the brake wheel shaft (5) is fixedly arranged on the brake wheel (6), and the dehydration shaft (15) is fixedly connected with the brake wheel (6) through a second rolling bearing (9) to form a whole.
6. The electromagnetic clutch dual drive washing machine clutch as claimed in claim 5, wherein: the upper end face of the upper shell (1) is provided with a bearing groove, and a third rolling bearing (19) is arranged in the bearing groove.
7. The electromagnetic clutch dual drive washing machine clutch as claimed in claim 6, wherein: a brake belt (20) is arranged on the outer surface of the brake wheel (6), and the brake belt (20) is connected with the brake arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052499.0A CN107558108B (en) | 2017-11-01 | 2017-11-01 | Electromagnetic clutch double-drive washing machine clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052499.0A CN107558108B (en) | 2017-11-01 | 2017-11-01 | Electromagnetic clutch double-drive washing machine clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107558108A CN107558108A (en) | 2018-01-09 |
| CN107558108B true CN107558108B (en) | 2024-02-09 |
Family
ID=61032226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711052499.0A Active CN107558108B (en) | 2017-11-01 | 2017-11-01 | Electromagnetic clutch double-drive washing machine clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107558108B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110106666B (en) * | 2019-04-24 | 2021-04-16 | 卧龙电气驱动集团股份有限公司 | Speed reduction and clutch integrated driving system |
| CN110469637A (en) * | 2019-09-12 | 2019-11-19 | 卧龙电气驱动集团股份有限公司 | Speed-reducing clutch |
| CN112575541A (en) * | 2019-09-27 | 2021-03-30 | 青岛海尔洗衣机有限公司 | Speed reduction clutch and washing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2745978Y (en) * | 2002-09-26 | 2005-12-14 | 张祖鹏 | Driving device of washing machine |
| CN201280653Y (en) * | 2008-06-25 | 2009-07-29 | 浙江三星机电股份有限公司 | Decelerator of novel bidirectional driving washing machine clutch |
| CN102296439A (en) * | 2010-10-13 | 2011-12-28 | 海尔集团公司 | Direct-driving double-power full-automatic washing machine |
| CN203807803U (en) * | 2014-01-22 | 2014-09-03 | 海尔集团公司 | Speed-reducing clutch for washing machine and washing machine |
| CN203807804U (en) * | 2014-01-22 | 2014-09-03 | 海尔集团公司 | Retarding clutch for washing machine |
| CN104790177A (en) * | 2014-01-22 | 2015-07-22 | 海尔集团公司 | Slowdown clutch for washing machine |
| CN105734909A (en) * | 2014-12-12 | 2016-07-06 | 青岛海尔洗衣机有限公司 | Washing machine speed reduction clutch and washing machine |
| CN207391831U (en) * | 2017-11-01 | 2018-05-22 | 浙江三星机电股份有限公司 | A kind of electromagnetic clutch double drive clutch coupling of washing machine |
-
2017
- 2017-11-01 CN CN201711052499.0A patent/CN107558108B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2745978Y (en) * | 2002-09-26 | 2005-12-14 | 张祖鹏 | Driving device of washing machine |
| CN201280653Y (en) * | 2008-06-25 | 2009-07-29 | 浙江三星机电股份有限公司 | Decelerator of novel bidirectional driving washing machine clutch |
| CN102296439A (en) * | 2010-10-13 | 2011-12-28 | 海尔集团公司 | Direct-driving double-power full-automatic washing machine |
| CN203807803U (en) * | 2014-01-22 | 2014-09-03 | 海尔集团公司 | Speed-reducing clutch for washing machine and washing machine |
| CN203807804U (en) * | 2014-01-22 | 2014-09-03 | 海尔集团公司 | Retarding clutch for washing machine |
| CN104790177A (en) * | 2014-01-22 | 2015-07-22 | 海尔集团公司 | Slowdown clutch for washing machine |
| CN105734909A (en) * | 2014-12-12 | 2016-07-06 | 青岛海尔洗衣机有限公司 | Washing machine speed reduction clutch and washing machine |
| CN207391831U (en) * | 2017-11-01 | 2018-05-22 | 浙江三星机电股份有限公司 | A kind of electromagnetic clutch double drive clutch coupling of washing machine |
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| CN107558108A (en) | 2018-01-09 |
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