CN106480656A - Washing machine - Google Patents

Abstract

The present invention relates to a kind of washing machine, the inner core including outer tube, being rotatablely arranged in outer tube and the rotating mechanism for driving inner core to rotate.Especially, washing machine also includes magnetic and floats device, it is located between the diapire of inner core and the diapire of outer tube, being configured with magnetic force makes inner core be rotatably supported in outer tube and so that the gravity of inner core is acted directly on the diapire of outer tube by the floating device of magnetic, thus reducing the active force to the rolling bearing connecting inner core and rotating mechanism, avoid it to produce fatigue failure, extend its service life, and then reduce the cost of washing machine.Simultaneously, it is supported in outer tube with suspending because inner core can float device by magnetic, therefore decrease the Mechanical Contact between inner core and outer tube, when having the relative motion in axial direction between inner core and outer tube, magnetic floats device and can play cushioning effect, thus reducing vibration during laundry and drying for the washing machine to a great extent, reducing noise.

Description

Washing machine

Technical field

The present invention relates to household electrical appliance, more particularly to a kind of washing machine.

Background technology

At present, in rotary drum washing machine common on the market, outer tube adopts several (usually four) suspension rods System hangs are fixed in the casing of washing machine, and inner core is equipped with outer tube, inner core axle pass through bearing with Outer tube axle is connected.Due to having Mechanical Contact between inner core and outer tube, therefore in inner cylinder rotating, interior Cylinder axle and outer tube axle produce mechanical friction, make the serious vibration of whole washing machine, noise is also larger.

In order to solve the above problems, pass through in prior art in the setting of the lower section of outer tube diapire and inner core and outer tube The magnet that repels each other of magnetic force of cooperation, by inner core by magnet between repulsion be suspended in outer tube.Magnet includes One permanent magnet and the second permanent magnet, two permanent magnets are respectively positioned in the outer shaft below outer tube.First permanent magnet It is fixedly connected with inner core by connecting shaft, the second permanent magnet is located at below the first permanent magnet and passes through outer shaft It is fixedly connected with outer tube.The section between inner core and the first permanent magnet of connecting shaft need to bear inner core and The torsion when repulsion between the gravity of its interior medicated clothing, the first permanent magnet and the second permanent magnet and inner cylinder rotating The connecting shaft of square, therefore this section easily produces fatigue failure, shortens its service life, increased washing machine Maintenance cost.Those of ordinary skill in the art generally avoid its generation by the strength of materials strengthening connecting shaft Crackle even ruptures, but this also materially increases the cost of washing machine.

Content of the invention

The purpose of the present invention is intended to overcome at least one defect of the prior art, provide a kind of low cost and There is the washing machine of vibration and noise reducing function.

Another object of the present invention is to reduce the burden of rotating mechanism.

To achieve these goals, the present invention provides a kind of washing machine, including outer tube, is rotatablely arranged at Inner core in outer tube and the rotating mechanism for driving described inner core to rotate, also include：

Magnetic floats device, between the diapire and the diapire of described outer tube of described inner core, is configured with magnetic force So that described inner core is rotatably supported in described outer tube and make the gravity of described inner core pass through the floating dress of described magnetic Put on the diapire acting directly on described outer tube.

Alternatively, described magnetic floats device and includes being arranged at the first permanent magnet of the bottom wall outer of described inner core and set It is placed in the second permanent magnet of the inside bottom wall of described outer tube；And

Described first permanent magnet and described second permanent magnet are oppositely arranged, described first permanent magnet and described second The magnetic on relative two surface of permanent magnet is identical, with using described first permanent magnet and described second permanent magnetism Magnetic repulsion force between body makes described inner core be supported in described outer tube.

Alternatively, described rotating mechanism is arranged at below the diapire of described outer tube, the rotation of described rotating mechanism Mandrel stretches into described inner core from the lower section of described outer tube, to drive the impeller being arranged in described inner core to turn Dynamic；And

The outside of described rotation mandrel is arranged with rotary axle box, and described rotary axle box is from the lower direction of described outer tube On extend to diapire or the diapire close to described inner core of described inner core, described interior directly or indirectly to drive Cylinder rotates.

Alternatively, the bottom wall outer of described inner core is provided with ring flange, and described ring flange has and is available for described turning Moving axis wears the through hole being located therein, and described rotary axle box is joined with described flange dish type and is connected, with by described Ring flange drives described inner core to rotate.

Alternatively, described first permanent magnet and described second permanent magnet are permanent-magnetic clamp；And

Described first permanent magnet is fixed on described ring flange and and is centered around described towards on the side of described outer tube Around the through hole of ring flange, described second permanent magnet is fixed on the diapire inner surface of described outer tube and is centered around Around the central axle hole of described outer tube diapire.

Alternatively, described ring flange includes offering the ring flange body of described through hole and by described ring flange basis Body protrudes, to the radial outside of described through hole, the multiple installation feet extending, and the far-end of each installation foot all offers Screw hole, described ring flange to be fixed on the diapire of described inner core by screw；And

Multiple screw holes of the plurality of installation foot are located on the circumference with described through hole as the center of circle, the plurality of Screw hole is uniformly arranged on described circumference at equal intervals.

Alternatively, described rotating mechanism also includes motor and has the driver of planetary gear and sun gear Structure, described motor passes through described drive mechanism and drives described inner core and described impeller along identical or contrary Direction rotates.

Alternatively, it is provided with the first sealing ring, described rotation between described rotation mandrel and described rotary axle box Axle sleeve is provided with the second sealing ring with the junction of described outer tube diapire.

Alternatively, described washing machine also includes：

It is arranged at the gimbal at described inner core top, described gimbal includes：

Housing, defines the annular compartment for containing balance media in it；With

It is arranged at the multiple arcs dividing plate in described annular compartment, each described arc-shaped partition is from described annular chamber The internal perisporium of room extends to its periphery wall, and has and flow through liquor stream through hole therein for described balance media；And

Each described arc-shaped partition is configured to the turning in described inner core when described washing machine carries out spin-drying operation Backward type bending on dynamic direction, so that this arc-shaped partition extends along the tangent line on direction at its outboard end With the periphery wall of described annular compartment at this outboard end along the direction contrary with the rotation direction of described inner core On tangent line between angle be acute angle.

Alternatively, described washing machine also includes：

Casing and for described outer tube being hung the multiple damping suspension rods holding in the palm in described casing, each described damping Suspension rod includes：

Cylinder body, defines the cavity for containing magnetic flow liquid in it, the upper end of described cylinder body is fixed on setting Damping hanger erection portion on described outer tube, the lower end of described cylinder body is exposed to described casing and described outer tube Between space in；

Suspension rod portion, its top is inserted described cylinder body and is worn via the upper end of described cylinder body by the lower end of described cylinder body Go out, the top in described suspension rod portion is fixing on the housing, and described suspension rod portion can be along it in described cylinder body Axial direction moves back and forth；With

Piston in described cylinder body, its fixation is set in described suspension rod portion, and has for producing magnetic The coil of field and the fluid course being available for described magnetic flow liquid circulation.

In the washing machine of the present invention, because washing machine includes outer tube, inner core and is located at inner core diapire and outer tube bottom Magnetic between wall floats device, and magnetic floats device and inner core can be rotatably supported in outer tube and make inner core Gravity floats device by magnetic and acts directly on the diapire of outer tube, therefore, contains in the gravity of inner core, inner core The gravity of medicated clothing and magnetic float device repulsion all can be applied directly on the diapire of outer tube, thus reduce right Connect the active force of the rolling bearing of inner core and rotating mechanism, it is to avoid it produces fatigue failure, and extending it makes With the life-span, and then reduce the cost of washing machine.Simultaneously as inner core can float device suspension twelve Earthly Branches by magnetic Hold in outer tube, therefore decrease the Mechanical Contact between inner core and outer tube, have between inner core and outer tube During relative motion in axial direction, magnetic floats device and can play cushioning effect, thus reducing to a great extent Vibration during laundry and drying for the washing machine, reduce noise.

Further, in the washing machine of the present invention, inner core can be rotatably supported in because magnetic floats device In outer tube and make the gravity of inner core float device by magnetic to act directly on the diapire of outer tube, therefore, inner core Gravity, the gravity of medicated clothing containing in inner core and magnetic floats the repulsion of device and all can be applied directly to the bottom of outer tube On wall, thus reducing the active force to the rotary axle box connecting inner core and rotating mechanism, also reduce simultaneously It is applied to the active force on rotating mechanism by rotary axle box, that is, decrease the burden of rotating mechanism, it is to avoid its Produce and damage.

According to the detailed description to the specific embodiment of the invention below in conjunction with accompanying drawing, those skilled in the art will More understand above-mentioned and other purposes, the advantages and features of the present invention.

Brief description

Describe in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter the present invention some are concrete Embodiment.In accompanying drawing, identical reference denotes same or similar part or part.Art technology Personnel are it should be understood that what these accompanying drawings were not necessarily drawn to scale.In accompanying drawing：

Fig. 1 is the schematic diagram of washing machine according to an embodiment of the invention；

Fig. 2 (a) is the schematic cross sectional views of washing machine according to an embodiment of the invention；

Fig. 2 (b) is the schematic expanded view at circle B in Fig. 2 (a)；

Fig. 3 is the schematic diagram of the outer tube of washing machine according to an embodiment of the invention；

Fig. 4 is the schematic diagram of the ring flange of washing machine according to an embodiment of the invention；

Fig. 5 is another orientation schematic diagram of washing machine ring flange according to an embodiment of the invention；

Fig. 6 is the schematic diagram of the gimbal of washing machine according to an embodiment of the invention；

Fig. 7 is the schematic diagram of the damping suspension rod of washing machine according to an embodiment of the invention.

Specific embodiment

Fig. 1 is the schematic diagram of washing machine according to an embodiment of the invention, and Fig. 2 (a) is basis The schematic cross sectional views of the washing machine of one embodiment of the invention, Fig. 2 (b) is circle B in Fig. 2 (a) The schematic expanded view at place.Referring to Fig. 1, Fig. 2 (a) and Fig. 2 (b), washing machine 1 may include outer tube 20th, the inner core 30 being rotatablely arranged in outer tube 20 and the rotating mechanism for driving inner core 30 to rotate 40.Washing machine 1 also includes casing 10, and outer tube 20, inner core 30 and rotating mechanism 40 are contained in casing In 10.Washing machine 1 can be rotary drum washing machine, is provided with for stirring in washing process in inner core 30 The impeller 31 of medicated clothing.Especially, washing machine 1 also includes the floating device 50 of magnetic, and it is located at the diapire of inner core 30 Between the diapire 20a of 30a and outer tube 20.The floating device 50 of magnetic is configured with magnetic force makes inner core 30 rotatable Be supported in outer tube 20 and make the gravity of inner core 30 float device 50 by magnetic and act directly on outer tube 20 Diapire 20a on.

That is, in embodiments of the present invention, the gravity of inner core 30, the medicated clothing containing in inner core 30 Magnetic force within gravity and the floating device 50 of magnetic all can be applied directly on the diapire 20a of outer tube 20, thus subtracting The little active force to the rolling bearing connecting inner core 30 and rotating mechanism 40, it is to avoid it produces fatigue failure, Extend its service life, and then decrease the cost of washing machine 1.Simultaneously as inner core 30 can pass through Magnetic floats device 50 and is supported in outer tube 20 with suspending, and therefore decreases the machine between inner core 30 and outer tube 20 Tool contacts, and when having the relative motion in axial direction between inner core 30 and outer tube 20, magnetic floats device 50 energy Enough play cushioning effect, thus reducing washing machine 1 shaking during laundry and drying to a great extent Move, reduce noise.

In some embodiments of the invention, magnetic floats outside the diapire 30a that device 50 includes be arranged at inner core 30 First permanent magnet 51 and second permanent magnet 52 being arranged inside the diapire 20a of outer tube 20 of side.Inner core It is the side towards outer tube diapire 20a of diapire 30a outside 30 diapire 30a, the diapire 20a of outer tube 20 The side towards inner core diapire 30a for diapire 20a for the inner side.First permanent magnet 51 and the second permanent magnet 52 It is oppositely arranged, and the first permanent magnet 51 is identical with the magnetic on relative two surface of the second permanent magnet 52, To make inner core 30 be supported on outer tube using the magnetic repulsion force between the first permanent magnet 51 and the second permanent magnet 52 In 20.

That is, the first permanent magnet 51 relies on it to be suspended in second with the magnetic repulsion force of the second permanent magnet 52 On permanent magnet 52, under the magnetic repulsion force effect between the first permanent magnet 51 and the second permanent magnet 52, First permanent magnet 51 can produce support force upwards by inner core diapire 30a to inner core 30, thus in overcoming The gravity of the medicated clothing of the gravity of cylinder 30 itself and Qi Nei is supported in outer tube 20 with making inner core 30 suspension, from And do not contact with outer tube 20 when inner core 30 rotates, it is to avoid produce machinery between inner core 30 and outer tube 20 and rub Wipe, thus effectively acting as the effect of vibration and noise reducing.According to the principle of active force and counteracting force, inner core 30 The gravity of the medicated clothing of the gravity of itself and Qi Nei passes through the magnetic between the first permanent magnet 51 and the second permanent magnet 52 Property repulsion reacts on the second permanent magnet 52, thus the second permanent magnet 52 is produced with downward pressure, this to Under pressure so that act on the diapire 20a of outer tube 20.In other words, inner core 30 gravity of itself and The gravity of its interior medicated clothing can act directly on outer tube diapire by the first permanent magnet 51 and the second permanent magnet 52 On 20a.

Specifically, the first permanent magnet 51 and the second permanent magnet 52 can be permanent magnet material and make, and makes inner core 30 It is always maintained at suspended state in outer tube 20.First permanent magnet 51 and the second permanent magnet 52 preferably adopt Nd-Fe-B permanent magnet.

In some embodiments of the invention, rotating mechanism 40 may be disposed at below the diapire 20a of outer tube 20, The rotation mandrel 41 of rotating mechanism 40 stretches into inner core 30 from the lower section of outer tube 20, is arranged on interior with drive Impeller 31 in cylinder 30 rotates.Rotation mandrel 41 passes through outer tube diapire 20a and interior by the lower section of outer tube 20 Cylinder diapire 30a is directly connected with the impeller 31 in inner core 30, and specifically, rotation mandrel 41 can be with impeller 31 join connection by spline or other structures shape.

Further, referring to Fig. 2 (b), the outside of rotation mandrel 41 is arranged with rotary axle box 42, rotates Axle sleeve 42 extends upwardly to diapire 30a or the diapire close to inner core 30 of inner core 30 from the lower section of outer tube 20 30a, directly or indirectly to drive inner core 30 to rotate.Specifically, rotary axle box 42 is inner hollow Connecting shaft, so that rotation mandrel 41 is inserted.The upwardly extending height of rotary axle box 42 is less than rotating core The upwardly extending height of axle 41, so that the partial sector on rotation mandrel 41 top is exposed to rotary axle box 42 Outside, is easy to the connection of rotation mandrel 41 and impeller 31.Rotary axle box 42 may extend to the bottom of inner core 30 Wall 30a, directly join with inner core diapire 30a shape to be connected, directly drives inner core 30 to rotate.Or, turn Moving axis set 42 may extend to close to inner core diapire 30a, and with the driving section being fixed on outside inner core diapire 30a Part shape joins connection, indirectly to drive inner core 30 to rotate by drive disk assembly.Drive disk assembly can be for example method Blue disk, flange plate etc..

It is evidenced from the above discussion that, the gravity of medicated clothing containing in the gravity of inner core 30, inner core 30 and magnetic float dress Put 50 repulsion all can be applied directly on the diapire 20a of outer tube 20, thus avoid active force to be applied to turning On moving axis set 42, reduce the active force being applied to rotating mechanism 40 by rotary axle box 42, that is, reduce The burden of rotating mechanism 40, it is to avoid it produces and damages.

Further, (in figure is not can be provided with the first sealing ring between rotation mandrel 41 and rotary axle box 42 Illustrate), to prevent the water in inner core 30 from entering in the rotary axle box 42 of hollow.Rotary axle box 42 is with outward The junction of cylinder diapire 20a is provided with the second sealing ring (not shown), to prevent in outer tube 20 Water leaks.The central axle hole that rotary axle box 42 may pass through outer tube diapire 20a upwardly extends, the second sealing ring It is arranged at the wall cooperation around rotary axle box 42 and the central axle hole of outer tube diapire 20a, be somebody's turn to do with closing Gap between central axle hole and rotary axle box 42.

In some embodiments of the invention, it is provided with ring flange 32, method outside the diapire 30a of inner core 30 Blue disk 32 has and is available for rotary axle box 42 and is arranged in through hole 321 (referring to Fig. 4 and Fig. 5) therein, turns Moving axis set 42 is joined with ring flange 32 shape and is connected, to drive inner core 30 to rotate by ring flange 32.Specifically, Ring flange 32 can be fixed on the diapire 30a of inner core 30, and on its through hole 321 and inner core diapire 30a Central shaft hole is just right.The medial wall around through hole 321 of ring flange 32 can be outer with rotary axle box 42 Wall passes through spline or other structures of matching connect, indirectly to drive 30 turns of inner core by ring flange 32 Dynamic.

Fig. 3 is the schematic diagram of outer tube 20 according to an embodiment of the invention, for the ease of observing Second permanent magnet 52 and the position relationship of outer tube 20, also show the second permanent magnet 52 in Fig. 3.Fig. 4 is The schematic diagram of ring flange 32 according to an embodiment of the invention, for the ease of observing the first permanent magnetism Body 51 and the position relationship of ring flange 32, also show the first permanent magnet 51 in Fig. 4.In conjunction with Fig. 2 (a) To Fig. 4, the first permanent magnet 51 and the second permanent magnet 52 can be permanent-magnetic clamp.The rotating core of rotating mechanism 40 Axle 41 and rotary axle box 42 both pass through the first permanent magnet 51 and the second permanent magnet 52.Further, first Permanent magnet 51 can be fixed on ring flange 32 and and be centered around the logical of ring flange 32 towards on the side of outer tube 20 Around hole 321.Second permanent magnet 52 can be fixed on the diapire inner surface of outer tube 30 and be centered around outer tube bottom Around the central axle hole of wall 30a.

Specifically, in certain embodiments of the present invention, the first permanent magnet 51 offers multiple screws Hole, multiple screws through the plurality of screw hole, the first permanent magnet 51 are fixed on ring flange 32.Second forever Magnet 52 is fixed on the inner surface of outer tube diapire 30a by way of interference fit.Other in the present invention In some embodiments, the first permanent magnet 51 and the second permanent magnet 52 are not limited to above fixed form, also Can be fixed by fixed form easy to implement by other fixedly connected parts.In other embodiments In, the second permanent magnet 52 can also directly rest on the inner surface of outer tube diapire 30a.

Fig. 5 is another orientation schematic structure of the ring flange of washing machine according to an embodiment of the invention Figure, shows the inner surface towards inner core 30 of ring flange 32 in Fig. 5.Referring to Fig. 4 and Fig. 5, flange Disk 32 includes offering the ring flange body 322 of through hole 321 and from ring flange body 322 to through hole 321 Radial outside protrude the multiple installation feet 323 extending, the far-end of each installation foot 323 all offers screw Hole, ring flange 32 to be fixed on the diapire 30a of inner core 30 by screw.Specifically, ring flange basis The a plurality of concentric annular around around through hole 321 is provided with the outer surface towards outer tube 20 of body 322 add Strong muscle and a plurality of spaced radial reinforcement radially extending along through hole 321.Multiple installation feet 323 Protruded and extend towards the radial outside of through hole 321 by the outer rim of ring flange body 322, each installation foot 323 is equal There is certain width, to strengthen its intensity.Thus, can be by multiple installation feet 323 by rotary axle box 42 The active force peptizaiton being transferred to ring flange 32, in the different application points of inner core diapire 30a, makes inner core 30 During rotation, stress is relatively uniform, thus reducing to a certain extent to ring flange body 322 center The strength of materials requires.Referring to Fig. 2 (a) and Fig. 5, the middle part entirety of ring flange body 322 is towards inner core 30 Arch upward, and ring flange body 322 offers rubber washer 324 around on the inner surface around through hole, to subtract Little or avoid the mechanical friction between ring flange 32 and inner core diapire 30a.

Further, multiple installation feet 323 can be uniformly to arrange around ring flange body 322 at equal intervals. That is, multiple screw holes of multiple installation feet 323 are located on the circumference with through hole 321 as the center of circle, many Individual screw hole is uniformly arranged on this circumference at equal intervals.Thus, rotary axle box 42 is transferred to ring flange 32 Active force can be evenly distributed on multiple installation feet 323 of ring flange 32, and then passes through multiple installation feet 323 Active force is transferred uniformly on the diapire 30a of inner core 30, so that the rotation of inner core 30 is more steady, It is avoided to produce vibration further.

In some embodiments of the invention, referring to Fig. 2 (a), rotating mechanism 40 also includes motor 43 are driven by drive mechanism 44 with the drive mechanism 44 with planetary gear and sun gear, motor 43 Inner core 30 rotates along identical or contrary direction with impeller 31.Sun gear powered rotatable mandrel 41 is along one Fixed direction rotates, and then drives impeller 31 to rotate in the direction.Planetary gear powered rotatable axle sleeve 42 edge Certain direction rotates, and then drives inner core 30 to rotate in the direction.Using having planetary gear and sun gear Drive mechanism 44 not only can control inner core 30 and impeller 31 relatively rotate direction, can also adjust Inner core 30 and the rotating ratio of impeller 31.Specifically, when washing machine 1 is in washing running status, inner core 30 and impeller 31 can rotate in opposite direction, when washing machine 1 is in drying (or claim dehydration) state, Inner core 30 and impeller 31 can rotate in same direction.

Referring to Fig. 2 (a), in some embodiments of the invention, washing machine 1 also includes being arranged at inner core The gimbal 60 at 30 tops.Fig. 6 is showing of the gimbal of washing machine 1 according to an embodiment of the invention Meaning property structure chart.Gimbal 60 includes defining the housing of the annular compartment for containing balance media in it 61st, it is arranged at the multiple arcs dividing plate 62 in annular compartment.Each arc-shaped partition 62 is from annular compartment Perisporium 611 extends to its periphery wall 612, and has and flow through liquor stream through hole (in figure therein for balance media Not shown).Each arc-shaped partition 62 is configured to the turning in inner core 30 when washing machine 1 carries out spin-drying operation Backward type bending on dynamic direction, so that this arc-shaped partition 62 extends along on direction at its outboard end The periphery wall 612 of tangent line and annular compartment is at this outboard end along the side contrary with the rotation direction of inner core 30 The angle between tangent line upwards is acute angle.

That is, in figure 6, arc-shaped partition 62 extends along the tangent line S1 in direction at its outboard end And the periphery wall 612 of annular compartment in rotational direction angle α between the tangent line S2 of A1 at this outboard end For acute angle.In the present invention, arc-shaped partition 62 extends along the tangent line in direction at its outboard end and can be understood as The tangent line extending along the bearing of trend of arc-shaped partition 62.Rotation direction A1 is that washing machine 1 is in drying During operation, the direction contrary with the rotation direction of its inner core 30, when being also that washing machine 1 is in spin-drying operation, The direction contrary with rotation direction A2 of the housing 61 of gimbal 60.Tangent line S2 is the periphery of annular compartment Wall 612 is in the tangent line at this outboard end towards the section of the first rotation direction A1.Thus, it is possible to reduce Washing machine 1 is in the resistance that during spin-drying operation, balance media flows in annular compartment, shortens balance media and arrives Reach the time of annular compartment periphery wall 612, thus quickly playing balance inner core 30 to rotate the bias producing Effect, weakens washing machine further and is in vibration during spin-drying operation.In some embodiments of the invention, It is additionally provided with multiple straight dividing plates, it is with multiple arcs dividing plate 62 interval setting in annular cavity.

Referring to Fig. 1, in some embodiments of the invention, washing machine 1 is also included for outer tube 20 is hung support Multiple damping suspension rods 70 in casing 10.Fig. 7 is the resistance of washing machine according to an embodiment of the invention The schematic diagram of Buddhist nun's suspension rod.Damping suspension rod 70 includes cylinder body 71, suspension rod portion 72 and is located at cylinder body 71 Interior piston 73.The cavity for containing magnetic flow liquid is defined, the upper end of cylinder body 71 is fixed in cylinder body 71 Damping hanger erection portion 21 on being arranged at outer tube 20, the lower end of cylinder body 71 is exposed to casing 10 with outward In space between cylinder 20.Cylinder body 71 is inserted and through cylinder body by the lower end of cylinder body 71 in the top in suspension rod portion 72 71 upper end passes, and the top in suspension rod portion 72 is fixed in casing 10, and suspension rod portion 72 can be in cylinder body 71 Interior along its axial direction move back and forth.Piston 73 fixation is set in suspension rod portion 72, and has for producing The coil 731 in magnetic field and the fluid course 732 being available for magnetic flow liquid circulation.That is, piston 73 is located at In cavity in cylinder body 71, when magnetic flow liquid flows through fluid course 732, by changing input coil 731 Size of current change magnetic flow liquid viscosity, thus the resistance changing piston 73 movement in cylinder body 71 is big Little.Thus, in washing machine 1 in the case of different loads, damping suspension rod 70 can provide differentiated friction to hinder Buddhist nun's power, thus can achieve the vibration of washing machine slow-speed of revolution resonance region when heavy load dehydration starts, can hinder big Decay rapidly in the case of Buddhist nun；And when gently loading in the high speed dewatering stage, outer to washing in the case of little damping The vibration of cylinder produces effectively to be isolated, and is unlikely to make vibration be delivered in washer cabinet 10, thus subtracting The amplitude of weak casing 10, reaches the whole dehydration even running ensureing washing machine 1 under various loads.

Further, the distance of the bottom in suspension rod portion 72 to piston 73 can be more than the axle of the cavity of cylinder body 71 To length.It is provided with spring 74 on section between the lower end positioned at its bottom and cylinder body 71 in suspension rod portion 72, Reciprocating motion in order to suspension rod portion 72.

It will be understood by those skilled in the art that washing machine 1 involved in the present invention including but not limited to only has washing Wash the laundry facilities of drying functions, also include the device with other functions, for example, there are washing drying functions Clothes washer/dryer with clothes drying function.

It should also be understood by those skilled in the art that alleged in the embodiment of the present invention " on ", D score, " front ", " afterwards ", " push up ", " bottom ", " vertical ", " horizontal " etc. for representing orientation or position relationship Term be on the basis of the real use state of washing machine for, these terms be for only for ease of description and Understand technical scheme, rather than the device or lose of instruction or hint indication must have specific Orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.

So far, although those skilled in the art will appreciate that detailed herein illustrate and describe the present invention's Multiple exemplary embodiments, but, without departing from the spirit and scope of the present invention, still can be according to this Disclosure of invention directly determines or derives other variations or modifications of many meeting the principle of the invention.Cause This, the scope of the present invention is it is understood that and regard as covering other variations or modifications all these.

Claims (10)

1. a kind of washing machine, the inner core including outer tube, being rotatablely arranged in outer tube and being used for drives described The rotating mechanism that inner core rotates is it is characterised in that also include：

Magnetic floats device, between the diapire and the diapire of described outer tube of described inner core, is configured with magnetic force So that described inner core is rotatably supported in described outer tube and make the gravity of described inner core pass through the floating dress of described magnetic Put on the diapire acting directly on described outer tube.

2. washing machine according to claim 1 it is characterised in that

Described magnetic floats device and includes being arranged at the first permanent magnet of the bottom wall outer of described inner core and be arranged at institute State the second permanent magnet of the inside bottom wall of outer tube；And

Described first permanent magnet and described second permanent magnet are oppositely arranged, described first permanent magnet and described second The magnetic on relative two surface of permanent magnet is identical, with using described first permanent magnet and described second permanent magnetism Magnetic repulsion force between body makes described inner core be supported in described outer tube.

3. washing machine according to claim 2 it is characterised in that

Described rotating mechanism is arranged at below the diapire of described outer tube, and the rotation mandrel of described rotating mechanism is from institute The lower section stating outer tube is stretched in described inner core, to drive the impeller being arranged in described inner core to rotate；And

The outside of described rotation mandrel is arranged with rotary axle box, and described rotary axle box is from the lower direction of described outer tube On extend to diapire or the diapire close to described inner core of described inner core, described interior directly or indirectly to drive Cylinder rotates.

4. washing machine according to claim 3 it is characterised in that

The bottom wall outer of described inner core is provided with ring flange, and described ring flange has and is available for described rotary shaft and wears The through hole being located therein, described rotary axle box is joined with described flange dish type and is connected, with by described flange dribbling Dynamic described inner core rotates.

5. washing machine according to claim 4 it is characterised in that

Described first permanent magnet and described second permanent magnet are permanent-magnetic clamp；And

Described first permanent magnet is fixed on described ring flange and and is centered around described towards on the side of described outer tube Around the through hole of ring flange, described second permanent magnet is fixed on the diapire inner surface of described outer tube and is centered around Around the central axle hole of described outer tube diapire.

6. washing machine according to claim 4 it is characterised in that

Described ring flange includes offering the ring flange body of described through hole and from described ring flange body to institute The radial outside stating through hole protrudes the multiple installation feet extending, and the far-end of each installation foot all offers screw Hole, described ring flange to be fixed on the diapire of described inner core by screw；And

Multiple screw holes of the plurality of installation foot are located on the circumference with described through hole as the center of circle, the plurality of Screw hole is uniformly arranged on described circumference at equal intervals.

7. washing machine according to claim 3 it is characterised in that

Described rotating mechanism also includes motor and has the drive mechanism of planetary gear and sun gear, described drive Galvanic electricity machine passes through described drive mechanism and drives described inner core to rotate along identical or contrary direction with described impeller.

8. washing machine according to claim 3 it is characterised in that

It is provided with the first sealing ring, described rotary axle box and institute between described rotation mandrel and described rotary axle box The junction stating outer tube diapire is provided with the second sealing ring.

9. washing machine according to claim 1 is it is characterised in that also include：

It is arranged at the gimbal at described inner core top, described gimbal includes：

Housing, defines the annular compartment for containing balance media in it；With

It is arranged at the multiple arcs dividing plate in described annular compartment, each described arc-shaped partition is from described annular chamber The internal perisporium of room extends to its periphery wall, and has and flow through liquor stream through hole therein for described balance media；And

Each described arc-shaped partition is configured to the turning in described inner core when described washing machine carries out spin-drying operation Backward type bending on dynamic direction, so that this arc-shaped partition extends along the tangent line on direction at its outboard end With the periphery wall of described annular compartment at this outboard end along the direction contrary with the rotation direction of described inner core On tangent line between angle be acute angle.

10. washing machine according to claim 1 is it is characterised in that also include：

Casing and for described outer tube being hung the multiple damping suspension rods holding in the palm in described casing, each described damping Suspension rod includes：

Cylinder body, defines the cavity for containing magnetic flow liquid in it, the upper end of described cylinder body is fixed on setting Damping hanger erection portion on described outer tube, the lower end of described cylinder body is exposed to described casing and described outer tube Between space in；

Suspension rod portion, its top is inserted described cylinder body and is worn via the upper end of described cylinder body by the lower end of described cylinder body Go out, the top in described suspension rod portion is fixing on the housing, and described suspension rod portion can be along it in described cylinder body Axial direction moves back and forth；With

Piston in described cylinder body, its fixation is set in described suspension rod portion, and has for producing magnetic The coil of field and the fluid course being available for described magnetic flow liquid circulation.