CN116122015A - Washing machine and control method thereof - Google Patents

Abstract

The invention provides a washing machine and a control method thereof, wherein the washing machine comprises a roller, a pulsator and a magnetic gear compound motor, the magnetic gear compound motor comprises a rotor assembly, a magnet adjusting ring assembly and a stator assembly, a rotor rotating shaft is coaxially connected with a pulsator rotating shaft, the pulsator rotating shaft is connected with the pulsator, a roller rotating shaft is sleeved outside the pulsator rotating shaft, the roller rotating shaft is connected with the roller, a clutch device comprises a main body part connected with a first gear and a second gear, the main body part can be driven to swing around a fulcrum to realize the switching between a first position and a second position, the first gear is in driving connection with the magnet adjusting ring assembly to enable the roller rotating shaft to rotate along with the magnet adjusting ring assembly, and the second gear is in driving connection with the rotor rotating shaft to enable the roller rotating shaft to rotate along with the rotor rotating shaft. The rotary shaft of the rotary drum is in switchable direct driving connection with the rotary shaft of the rotor or the magnetic adjusting ring component, so that the rotary drum and the impeller can rotate simultaneously, the mechanical loss is reduced, and the energy efficiency ratio of the washing machine is improved.

Description

Washing machine and control method thereof

Technical Field

The invention belongs to the technical field of household appliances, and particularly relates to a washing machine and a control method thereof.

Background

In the current drum washing machine, a motor and a planetary gear are generally adopted for speed reduction, clutch and transmission, the structure is extremely complex due to the multistage speed reduction and transmission of the planetary gear, the transmission efficiency of the planetary gear is reduced, and the efficiency of the whole transmission mechanism is further reduced.

In some related art, some washing machines do not use planetary gears for deceleration, but use dual motors to achieve dual operation or dual power of washing and dewatering, which clearly increases the cost and complexity of the structure of the washing machine.

Disclosure of Invention

Therefore, the invention provides a washing machine and a control method thereof, which can solve the technical problems of complex structure, large mechanical transmission loss and low transmission efficiency of the prior art that the differential adjustment of a roller and a pulsator in the washing machine is realized by matching devices such as a planetary gear set and the like with a clutch device.

In order to solve the problems, the invention provides a washing machine, which comprises a roller, a pulsator, a magnetic gear composite motor and a clutch device, wherein the magnetic gear composite motor comprises a rotor assembly, a magnetic ring adjusting assembly coaxially sleeved outside the rotor assembly and a stator assembly coaxially sleeved outside the magnetic ring adjusting assembly, a first end of a rotor rotating shaft provided with the rotor assembly is coaxially connected with the pulsator rotating shaft, the pulsator rotating shaft is connected with the pulsator, a roller rotating shaft is sleeved outside a gap of the pulsator rotating shaft, the first end of the roller rotating shaft is connected with the roller, the clutch device comprises a main body part, a first gear and a second gear are connected onto the main body part, the main body part is provided with a first position far away from the rotor rotating shaft and a second position close to the rotor rotating shaft, the main body part can be driven to swing around a pivot so as to realize switching between the first position and the second position, the first gear is in driving connection with the magnetic ring adjusting assembly, the second gear is separated from the rotor rotating shaft so that the magnetic ring adjusting shaft is in a second position, and the magnetic ring is in a rotating way, and the second gear is in a rotating position is driven to be connected with the roller rotating shaft.

In some embodiments, the main body part includes the mobile jib and connect in first branch and the second branch of the first end of mobile jib, first gear fixed connection in on the free end of first branch, the second gear fixed connection in on the free end of second branch, clutch still includes the separation and reunion bottom plate, the second end of mobile jib articulate in the separation and reunion bottom plate is towards one side of magnetism gear compound motor, the separation and reunion bottom plate has the first through-hole that link up its both ends, the coaxial cartridge of cylinder pivot in first through-hole, just the pore wall of first through-hole with the cylinder pivot meshing is connected.

In some embodiments, a plane perpendicular to a side of the clutch base plate facing the magnetic gear composite motor and passing through a diameter of the clutch base plate is a first plane, and the main body member can be driven to swing inside and outside along the diameter direction of the clutch base plate in the first plane.

In some embodiments, in the first position, the central axis of the first branch bar is parallel to the rotor shaft, and in the second position, the central axis of the second branch bar is parallel to the rotor shaft.

In some embodiments, the clutch base plate is further provided with a fixing structure, and the fixing structure is used for fixing the position of the main body piece when the main body piece is in the first position and the second position.

In some embodiments, the fixing structure includes a first slider and a second slider that are disposed opposite to each other, where the first slider and the second slider are disposed symmetrically with respect to the first plane and are both slidably connected to the clutch base, and the first slider and the second slider can be driven to move toward or away from the main body simultaneously.

In some embodiments, the wall surfaces of the first sliding block and the main body piece, which are contacted with each other, are provided with concave-convex structures which are matched with each other; and/or the wall surfaces of the second sliding block and the main body piece, which are contacted with each other, are provided with concave-convex structures which are matched with each other.

In some embodiments, the magnetic adjusting ring assembly comprises a first magnetic ring end cover, the first magnetic ring end cover is rotatably sleeved on the rotor rotating shaft, a first meshing part is arranged on the wall of a central hole of the first magnetic ring end cover, a second meshing part is arranged on the rotor rotating shaft, in the first position, the first meshing part is meshed with the first gear, the second meshing part is out of meshing with the second gear, and in the second position, the second meshing part is meshed with the second gear, and the first meshing part is out of meshing with the first gear.

The invention also provides a control method of the washing machine, which is used for controlling the operation of the washing machine and comprises the following steps:

acquiring an operation mode of the washing machine;

and controlling the clutch device to operate according to the acquired operation mode to realize the switching of the rotary shaft of the roller between a high-rotation-speed state and a low-rotation-speed state.

In some embodiments, when the operational mode is a washing mode, controlling the body member to be in the first position; or alternatively, the process may be performed,

and when the operation mode is a dehydration mode, controlling the main body piece to be in the second position.

Compared with the structure that a planetary gear set is matched with a clutch device in the prior art, the washing machine and the control method thereof provided by the invention have the advantages that the magnetic gear compound motor is adopted, the characteristics of differential speed exists between the rotor assembly and the magnetic ring adjusting assembly of the magnetic gear compound motor in the running process, the rotary shaft of the rotary drum and the rotary shaft of the rotor or the magnetic ring adjusting assembly are in switchable direct driving connection, the design purpose of differential speed rotation or synchronous high-rotation speed rotation of the rotary drum and the rotary drum is realized, the structure is simple and beneficial to assembly, the mechanical loss in the power transmission process is effectively reduced, the energy efficiency ratio of the washing machine is improved, and compared with the structure of double-motor driving in the prior art, the structure can save the manufacturing cost of products; the clutch control of the clutch device is realized by switching the position of the swingable main body part, and the position switching mechanism is simple; meanwhile, the magnetic gear compound motor has the characteristic of low speed and large moment, and can ensure that the roller and the pulsator have enough rotation power.

Drawings

Fig. 1 is a schematic structural view (partially exploded) of parts of a washing machine according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the clutch device of FIG. 1 (exploded);

FIG. 3 is a schematic axial cross-sectional view of the magnetic gear compound motor of FIG. 1 (without motor housing or the like);

FIG. 4 is a schematic perspective view of the rotor shaft of FIG. 1;

FIG. 5 is a schematic perspective view of a first magnetic ring end cap of FIG. 1;

FIG. 6 is a schematic perspective view of the rotary shaft of the drum in FIG. 1;

FIG. 7 is a schematic perspective view of the rotary shaft of the pulsator in FIG. 1;

FIG. 8 is a schematic perspective view of the clutch base plate of FIG. 1;

FIG. 9 is a schematic view showing the clutch device (the main body member is in the first position) when the washing machine is in the washing mode;

fig. 10 is a schematic view showing a state of the clutch device (the main body member is in the second position) when the washing machine of the present invention is in the dehydrating mode.

The reference numerals are expressed as:

111. a rotor shaft; 1111. a second engagement portion; 1112. a seventh engagement portion; 112. a rotor core; 114. rotor magnetic steel; 121. a first magnetic ring end cap; 1211. a first engagement portion; 123. a modulation ring; 1231. modulating the pole piece; 1232. a modulation groove; 1233. modulating a magnetic bridge; 131. a stator core; 132. stator magnetic steel; 133. a stator winding; 2. a clutch device; 21. a body member; 211. a main rod; 212. a first branch bar; 213. a second branch bar; 221. a first gear; 222. a second gear; 23. a clutch base plate; 231. a first through hole; 2311. a fifth engagement portion; 24. a flat key; 25. a mounting shaft; 26. a hinge; 31. a pulsator spindle; 311. an eighth engagement portion; 32. a drum shaft; 321. a sixth engagement portion; 41. a motor housing; 42. a motor rear end cover; 43. a motor front end cover.

Detailed Description

Referring to fig. 1 to 10, according to the embodiment of the present invention, a washing machine is provided, which comprises a drum and a pulsator (not shown), and further comprises a magnetic gear compound motor (not shown), a clutch device 2 (not shown), wherein the magnetic gear compound motor comprises a rotor assembly (not shown), a magnetic ring assembly (not shown) coaxially sleeved outside the rotor assembly, and a stator assembly (not shown) coaxially sleeved outside the magnetic ring assembly, the magnetic ring assembly is provided with a first end 32, a first end of the drum 32 is connected with a main body 21, a second end of the drum 32 is connected with a second main body 21, a second main body 21 is connected with a second main body 221, and a first main body 221 is rotatably driven by the first main body 222, and is rotatably connected with the second main body 111, and is rotatably driven by the second main body 222, and is rotatably driven by the second main body 221, and is rotatably driven by the second main body 111, the first gear 221 is separated from the magnetic ring assembly and the second gear 222 is drivingly connected to the rotor shaft 111 to rotate the drum shaft 32 along with the rotor shaft 111, so that the drum shaft 32 has a high rotation speed state (corresponding to a spin-drying mode of the washing machine in particular) for driving the rotor shaft 111 to rotate and a low rotation speed state (corresponding to a washing mode of the washing machine in particular) for driving the magnetic ring assembly to rotate, and the switching of the drum shaft 32 between the high rotation speed state and the low rotation speed state is achieved by the position switching of the main body member 21.

In the technical scheme, compared with the structure that a planetary gear set is matched with a clutch device 2 in the double-drive washing machine in the prior art, the structure adopts the magnetic gear compound motor, and utilizes the characteristic that the rotor assembly and the magnetic ring adjusting assembly of the magnetic gear compound motor have differential speed in the running process, the rotary shaft of the rotary drum is in switchable direct driving connection with the rotary shaft of the rotor or the magnetic ring adjusting assembly, so that the design purpose of differential speed rotation or synchronous high-rotation speed rotation of the rotary drum and the rotary drum is realized, the structure is simple and beneficial to assembly, the mechanical loss in the power transmission process is effectively reduced, the energy efficiency ratio of the washing machine is improved, and compared with the structure of double-motor driving in the prior art, the structure can save the manufacturing cost of products; more importantly, the clutch control of the clutch device 2 in the invention is realized by switching the position of the swingable main body member 21, and the position switching mechanism is simple. Meanwhile, the magnetic gear compound motor has the characteristic of low speed and large moment, and can ensure that the roller and the pulsator have enough rotation power.

Referring to fig. 1 and 2, the magnetic gear composite motor includes a motor housing 41, and a motor rear end cover 42 and a motor front end cover 43 respectively connected to two ends of the motor housing 41, the stator assembly includes a stator core 131 fixedly connected to an inner wall of the motor housing 41 in an interference manner, a plurality of stator magnetic steels 132 are disposed on one side of the stator core 131 facing the magnetic modulation ring assembly, a stator winding 133 is wound on a yoke portion of the stator core 131, the rotor assembly includes the rotor shaft 111 and a rotor core 112 sleeved on the rotor shaft, a plurality of rotor magnetic steels 114 are attached to an outer peripheral wall of the rotor core 112, the magnetic modulation ring assembly is disposed in an air gap between the stator and the rotor and is not in contact with (i.e. forms a gap with) the stator assembly and the rotor assembly, the magnetic modulation ring assembly has a modulation ring 123, in a specific embodiment, the modulation ring 123 includes modulation pole pieces 1231, modulation grooves 1232, and modulation magnetic bridges 1233, all modulation pole pieces 1231 are uniformly disposed along a circumferential interval, and are connected by a pmannular modulation magnetic bridge so as to form a whole, the number of modulation pole pieces 1231 is equal to the number of modulation pole pieces, and when the modulation pole pieces pass through the stator magnetic steels and are alternately driven by the rotor magnetic cores and are alternately rotated in a low rotation speed along a rotation direction of the rotor assembly, and a rotation direction of the rotor assembly is alternately driven by the rotor assembly. Specifically, to reduce eddy current loss, the rotor core 112, the modulation ring 123, and the stator core 131 are each laminated with a soft magnetic material (e.g., a silicon steel sheet). The rotor core 112 is in interference connection with the rotor rotating shaft 111, and serves as an output shaft H, and the rotating speed of the output shaft H is Vh; the modulation ring 123 is fastened and connected with the first magnetic ring end cover 121 by adopting a screw, and is used as an output shaft L, the rotating speed of the output shaft L is Vl, and the magnetic pole pair number of the rotor magnetic steel 114 is Pi; the modulation ring 123 is coaxially arranged outside the rotor core 112; the pole pair number of the stator magnetic steel 132 is Po; the number of magnetic pole pairs of the rotating magnetic field generated by the stator winding 133 is the same as that of the rotor magnetic steel 114, and Pi, pm, po satisfy pi+po=pm. The stator magnetic steels 132 are uniformly arranged at intervals along the circumferential direction, all the stator magnetic steels 132 are magnetized in the same direction, and the rotor magnetic steels 114 and the stator magnetic steels 132 are radially magnetized, and adjacent polarities are opposite.

Referring to fig. 2 specifically, in some embodiments, the main body 21 includes a main rod 211, a first branch rod 212 and a second branch rod 213 connected to a first end of the main rod 211, a substantially Y-shaped structure is formed on the appearance, a first gear 221 is fixedly connected to a free end of the first branch rod 212, a second gear 222 is fixedly connected to a free end of the second branch rod 213, the clutch device 2 further includes a clutch base plate 23, a second end of the main rod 211 is hinged to a side of the clutch base plate 23 facing the magnetic gear compound motor, the clutch base plate 23 has a first through hole 231 passing through two ends thereof, the drum rotating shaft 32 is coaxially inserted into the first through hole 231, a hole wall of the first through hole 231 is engaged with the drum rotating shaft 32, specifically, a fifth engaging portion 2311 is formed on the hole wall of the first through hole 231, a sixth engaging portion 321 is correspondingly formed on the drum rotating shaft 32, the fifth engaging portion 2311 and the sixth engaging portion 321 are always engaged with the sixth engaging portion 321, so as to ensure that the clutch base plate 23 and the drum rotating shaft 32 always rotate synchronously. The first gear 221 and the second gear 222 may be integrally formed at the free ends of the first branch rod 212 and the second branch rod 213, in a specific embodiment as shown in fig. 2, the two gears are fixedly connected with the corresponding branch rods through the mounting shaft 25 and the flat key 24, specifically, corresponding blind holes are configured at the free ends of the first branch rod 212 and the second branch rod 213, the mounting shaft 25 is inserted into the blind holes, the gears are sleeved outside the mounting shaft 25, and the sleeved matching position between the mounting shaft and the gears forms a limitation of circumferential displacement through the flat key 24, so that the detachable connection between the gears and the main body member 21, such as the later maintenance and replacement of the gears, is realized. The second end of the main lever 211 is hinged to the clutch base 23 through a hinge 26, specifically, the hinge 26 may include two supports disposed at opposite intervals and fixedly connected to the clutch base 23, the main lever 211 is a bar member having a rectangular cross section, and is inserted into a gap between the two supports and pivotally connected to the two supports through a corresponding pivot pin, so that it can be understood that the main body 21 only has a degree of freedom of swinging left and right along a direction guided by the gap between the two supports, so that the position switching of the main body 21 is controlled, stable and reliable. Specifically, the swinging of the main body member 21 may be performed by an electric push rod, which is fixedly connected to the clutch base plate 23, and the free end of the push rod is hinged to the main body member 21, and an eccentric distance is formed between the hinge point and the hinge point of the support, so that the purpose that the linear reciprocating motion of the push rod is converted into the swinging of the main body member 21 is achieved, and the structure is simple and compact. In a preferred embodiment, the first branch bar 212 and the second branch bar 213 are bilaterally symmetrical about the main bar 211.

The plane perpendicular to the side of the clutch base plate 23 facing the magnetic gear compound motor and passing through a diameter of the clutch base plate 23 is defined as a first plane, and the main body member 21 can be driven to swing inside and outside along the diameter direction of the clutch base plate 23 in the first plane, and at this time, the swing path of the main body member 21 is actually located in one diameter direction of the rotor rotating shaft 111 and the first magnetic ring end cover, and the position switching path is shortest. Referring to fig. 9 and 10 in combination, in the first position, the central axis of the first branch bar 212 is parallel to the rotor shaft 111, and in the second position, the central axis of the second branch bar 213 is parallel to the rotor shaft 111, so that smooth and stable rotation of the drum shaft 32 following the corresponding modulation ring 123 or the rotor shaft 111 can be ensured at the corresponding position, and in this state, the gear is engaged with the corresponding position more reliably, thereby ensuring reliable power transmission.

In order to further improve the stability and reliability of the transmission of the rotational power, the clutch base plate 23 is further provided with a fixing structure (not shown in the drawings) for fixing the position of the main body member 21 when the main body member 21 is in the first position and the second position, and preventing the gear from being disengaged from the corresponding member during the rotation. In a specific embodiment, the fixing structure includes a first slider (not shown in the figure) and a second slider (not shown in the figure) that are disposed opposite to each other, where the first slider and the second slider are disposed symmetrically with respect to the first plane and are both slidably connected to the clutch base plate 23 (the clutch base plate 23 has a corresponding T-shaped chute to prevent the slider from falling out of the slot, the T-shaped chute is not shown in the figure), and the first slider and the second slider can be driven to move toward or away from the main body 21 at the same time, specifically, the sliding of the first slider and the second slider can be implemented by two rotary motors that are driven correspondingly, and the free end of the rotating shaft of the rotary motor is in threaded connection with the slider, so that the rotary motion of the rotary motor can be converted into the linear reciprocating motion of the slider. It can be appreciated that the first slider and the second slider move close to each other in opposite directions to form effective clamping on two opposite sides of the main rod 211 of the main body 21, so that the main body 21 is stably located at the first position and the second position, and the first slider and the second slider move away from each other in opposite directions to contact the clamping of the main body 21, so that smooth switching of the main body 21 between the first position and the second position is ensured.

In a preferred embodiment, the wall surfaces of the first slider and the main body member 21, which are in contact with each other, are formed with mutually matched concave-convex structures; and/or, the wall surfaces of the second slider and the main body member 21 contacting each other are formed with concave-convex structures, and the concave-convex structures enable the clamping between the first slider and the second slider and the main body member 21 to be more reliable, prevent the position change of the main body member 21 caused by the radial force of the engaging member when the main body member 21 is in the first position or the second position, reduce the force applied to the electric push rod, and effectively prevent the electric push rod from being damaged.

Referring to fig. 1 and 5 in combination, the magnetic ring adjusting assembly includes a first magnetic ring end cover 121, the first magnetic ring end cover 121 is rotatably sleeved on the rotor shaft 111 and is fixedly connected with the modulation ring 123 into a whole, and referring to fig. 5, a first engaging portion 1211 is provided on a central hole wall of the first magnetic ring end cover 121, a second engaging portion 1111 is provided on the rotor shaft 111, in a first position, the first engaging portion 1211 is engaged with the first gear 221, the second engaging portion 1111 is disengaged from the second gear 222, and in a second position, the second engaging portion 1111 is engaged with the second gear 222, and the first engaging portion 1211 is disengaged from the first gear 221. Smooth switching between the first meshing portion 1211, the second meshing portion 1111 and the first gear 221 and the second gear 222 is achieved by whether or not the two are meshed. The magnetic modulation ring assembly further comprises a second magnetic ring end cover (not shown in the figure) connected to the second end of the modulation ring 123, the second magnetic ring end cover is rotatably sleeved on the rotor rotating shaft 111 (through a corresponding bearing), and forms clamping of the modulation ring 123 together with the first magnetic ring end cover 121, the axial position of the modulation ring 123 can be reliably limited through the first magnetic ring end cover 121 and the second magnetic ring end cover, and the structure of the magnetic modulation ring assembly is more stable and reliable.

The first end of the rotor shaft 111 and the wave wheel shaft 31 may be detachably and securely connected by, for example, engagement of the seventh engagement portion 1112 and the eighth engagement portion 311.

The first engaging portion 1211, the second engaging portion 1111, the fifth engaging portion 2311, the sixth engaging portion 321, the seventh engaging portion 1112 and the eighth engaging portion 311 may be configured as spline teeth, which have a large torque transmission capability.

According to an embodiment of the present invention, there is also provided a control method of a washing machine for controlling the operation of the washing machine, including the steps of:

acquiring an operation mode of the washing machine;

the clutch device 2 is controlled to operate according to the acquired operation mode to realize the switching of the drum rotating shaft 32 between the high-rotating-speed state and the low-rotating-speed state.

Specifically, when the operation mode is the washing mode, the control main body member 21 is at the first position, and at this time, according to the above-mentioned structure, the drum rotating shaft 32 is meshed with the first magnetic ring end cover 121, the drum rotating shaft 32 rotates at a low speed along with the magnetic ring adjusting assembly, the pulsator rotating shaft 31 rotates at a high speed along with the rotor rotating shaft 111, and the rotation directions of the pulsator rotating shaft 31 and the drum rotating shaft 32 are the same, that is, the drum and the pulsator rotate at a differential speed, so that the clothes are agitated and washed, and friction force between the clothes is increased, thereby improving the washing ratio; or, when the operation mode is the dehydration mode, the control main body member 21 is at the second position, and at this time, according to the above structure, the drum shaft 32 is meshed with the rotor shaft 111, the drum shaft 32 and the pulsator shaft 31 both rotate at a high speed along with the rotor shaft 111, and the rotation directions of the pulsator shaft 31 and the drum shaft 32 are the same, so as to ensure the dehydration effect.

Those skilled in the art will readily appreciate that the advantageous features of the various aspects described above may be freely combined and stacked without conflict.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (10)

1. The washing machine comprises a roller and a pulsator, and is characterized by further comprising a magnetic gear compound motor and a clutch device (2), wherein the magnetic gear compound motor comprises a rotor assembly, a magnetic regulating ring assembly coaxially sleeved outside the rotor assembly and a stator assembly coaxially sleeved outside the magnetic regulating ring assembly, a first end of a rotor rotating shaft (111) of the rotor assembly is coaxially connected with the pulsator rotating shaft (31), the pulsator rotating shaft (31) is connected with the pulsator, a roller rotating shaft (32) is sleeved outside a gap of the pulsator rotating shaft (31), a first end of the roller rotating shaft (32) is connected with the roller, the clutch device (2) comprises a main body part (21), a first gear (221) and a second gear (222) are connected to the main body part (21), the main body part (21) is provided with a first position far away from the rotor rotating shaft (111) and a second position close to the rotor rotating shaft (111), the main body part (21) can be driven to swing around a pivot so as to realize the switching between the first position and the second gear (221) and the magnetic regulating ring (222) to be connected with the first gear (221) and the magnetic ring (111) in a first position and the second position and the magnetic ring (111) in a rotating mode, the first gear (221) is separated from the magnetism regulating ring assembly and the second gear (222) is in driving connection with the rotor rotating shaft (111) so that the roller rotating shaft (32) rotates along with the rotor rotating shaft (111).

2. Laundry washing machine according to claim 1, characterized in that the main body part (21) comprises a main rod (211) and a first branch rod (212) and a second branch rod (213) connected to a first end of the main rod (211), the first gear (221) is fixedly connected to a free end of the first branch rod (212), the second gear (222) is fixedly connected to a free end of the second branch rod (213), the clutch device (2) further comprises a clutch base plate (23), a second end of the main rod (211) is hinged to a side of the clutch base plate (23) facing the magnetic gear compound motor, the clutch base plate (23) is provided with a first through hole (231) penetrating through two ends of the clutch base plate, the drum rotating shaft (32) is coaxially inserted into the first through hole (231), and a hole wall of the first through hole (231) is meshed with the drum rotating shaft (32).

3. A washing machine according to claim 2, characterized in that a plane perpendicular to a side of the clutch base plate (23) facing the magnetic gear complex motor and passing through a diameter of the clutch base plate (23) is a first plane, and the main body member (21) is capable of being driven to oscillate inside and outside along the diameter of the clutch base plate (23) in the first plane.

4. A washing machine according to claim 3, characterized in that in the first position the central axis of the first branch bar (212) is parallel to the rotor shaft (111) and in the second position the central axis of the second branch bar (213) is parallel to the rotor shaft (111).

5. A washing machine according to claim 3, characterized in that the clutch base plate (23) is further provided with a fixing structure for fixing the position of the main body member (21) when the main body member (21) is in the first and second positions.

6. Laundry washing machine according to claim 5, characterized in that said fixed structure comprises a first and a second slider arranged opposite each other, symmetrically with respect to said first plane, and both slidingly connected to said clutch base plate (23), and which can be driven simultaneously towards or away from said main body (21).

7. Laundry washing machine according to claim 6, characterized in that said first slider and said main body (21) are provided with mutually cooperating reliefs on the walls thereof; and/or the wall surfaces of the second sliding block and the main body piece (21) which are contacted with each other are provided with concave-convex structures which are matched with each other.

8. A washing machine according to claim 3, wherein the magnetic ring adjusting assembly comprises a first magnetic ring end cover (121), the first magnetic ring end cover (121) is rotatably sleeved on the rotor rotating shaft (111), a first meshing portion (1211) is arranged on a central hole wall of the first magnetic ring end cover (121), a second meshing portion (1111) is arranged on the rotor rotating shaft (111), the first meshing portion (1211) is meshed with the first gear (221), the second meshing portion (1111) is out of meshing with the second gear (222), and the second meshing portion (1111) is out of meshing with the second gear (222) in the second position, and the first meshing portion (1211) is out of meshing with the first gear (221).

9. A control method of a washing machine, characterized by controlling the operation of the washing machine according to any one of claims 1 to 8, comprising the steps of:

acquiring an operation mode of the washing machine;

and controlling the clutch device (2) to operate according to the acquired operation mode to realize the switching of the rotary shaft (32) of the roller between a high-rotation-speed state and a low-rotation-speed state.

10. A control method according to claim 9, characterized in that when the operating mode is a washing mode, the body member (21) is controlled to be in the first position; or alternatively, the process may be performed,

when the operation mode is a dehydration mode, the main body member (21) is controlled to be in the second position.

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