CN106884280A - Washing machine - Google Patents
Washing machine Download PDFInfo
- Publication number
- CN106884280A CN106884280A CN201510938963.0A CN201510938963A CN106884280A CN 106884280 A CN106884280 A CN 106884280A CN 201510938963 A CN201510938963 A CN 201510938963A CN 106884280 A CN106884280 A CN 106884280A
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- CN
- China
- Prior art keywords
- outer barrel
- magnet
- ring magnet
- washing machine
- inner ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/24—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a vertical axis
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/24—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a vertical axis
- D06F37/245—Damping vibrations by displacing, supplying or ejecting a material, e.g. liquid, into or from counterbalancing pockets
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention provides a kind of washing machine, including casing and the outer barrel being arranged in casing, it also includes outer ring magnet, is arranged in the inner circumferential wall of casing；With inner ring magnet, it is arranged in the peripheral outer wall of outer barrel, and is oppositely arranged with outer ring magnet, reduces the amplitude of outer barrel radial vibration using the magnetic force between inner ring magnet and outer ring magnet.Washing machine of the invention sets outer ring magnet by the inner circumferential wall in casing, in the peripheral outer wall of outer barrel, the inner ring magnet relative with outer ring magnet is set, so that can be when clothing bias in due to inner cylinder causes outer barrel that radial vibration occurs, using the vibration of particularly repulsive force buffering, the balance outer barrel of the magnetic force between inner ring magnet and outer ring magnet, reduce the amplitude of outer barrel radial vibration, so as to effectively compensate for due to the eccentric vibration for producing of clothing in inner cylinder, vibrating noise is reduced simultaneously, reaches the purpose of vibration and noise reducing.
Description
Technical field
The present invention relates to household electrical appliance, more particularly to a kind of washing machine.
Background technology
Common rotary drum washing machine generally includes outer barrel and inner cylinder on the market, and outer barrel uses several (usually
Four) suspension rod suspension be fixed in the casing of washing machine, inner cylinder can be rotatably set in outer barrel.Washing machine
In the course of the work, due to the unbalance loading and centrifugal action of washing articles, it is to avoid can not produce vibration.It is special
It is not during being dehydrated, to be washed due to existing when the reasons such as washing articles bias and system resonance cause high speed dewatering
Clothing machine vibration is larger, while larger noise can be produced, Consumer's Experience is poor.At present, rotary drum washing machine leads to
Often using suspension rod with the gimbal at the top of inner cylinder is arranged on to reduce vibration of washing machine amplitude, but effect is not
Clearly.
The content of the invention
It is an object of the invention in view of the foregoing defects the prior art has, there is provided a kind of to utilize new skill
Art means realize the washing machine of vibration and noise reducing.
A further object of the invention is to provide for a kind of washing machine with preferable damping effect.
To achieve these goals, the invention provides a kind of washing machine, including casing and it is arranged in the machine
Outer barrel in shell, it also includes：
Outer ring magnet, is arranged in the inner circumferential wall of the casing；With
Inner ring magnet, is arranged in the peripheral outer wall of the outer barrel, and is oppositely arranged with the outer ring magnet, with
The amplitude of the outer barrel radial vibration is reduced using the magnetic force between the inner ring magnet and the outer ring magnet.
Alternatively, the inner ring magnet and the outer ring magnet are continuous circular shape magnet, and the inner ring magnetic
Iron and the outer ring magnet are arranged concentrically.
Alternatively, the inner ring magnet is included in the peripheral outer wall of the outer barrel and is distributed uniformly and circumferentially
Multipair inner ring magnetic patch, wherein each pair inner ring magnetic patch be in the outer barrel same diameter line two ends；And
The outer ring magnet includes the multipair outer ring magnetic patch being correspondingly arranged with the multipair inner ring magnetic patch, wherein often
Outer ring magnetic patch is on the extended line of diameter line residing for a pair of corresponding inner ring magnetic patch.
Alternatively, in each inner ring magnetic patch and the multipair outer ring magnetic patch in the multipair inner ring magnetic patch with its
Spacing between the outer ring magnetic patch being correspondingly arranged is equal.
Alternatively, the inner ring magnet and the outer ring magnet are made by permanent-magnet material.
Alternatively, the inner ring magnet is identical with the magnetic of the outer ring magnet apparent surface, with using described
Magnetic repulsion force between inner ring magnet and the outer ring magnet reduces the amplitude of the outer barrel radial vibration.
Alternatively, the inner ring magnet is arranged on the peripheral outer wall top of the outer barrel,
It is identical that the outer ring magnet is directly or indirectly fixed on being in the inner ring magnet for the casing
In the inner circumferential wall of vertical position.
Alternatively, the washing machine also includes：
It is rotatablely arranged at the inner cylinder in the outer barrel；
For the rotating mechanism for driving the inner cylinder to rotate；
First permanent magnet, is arranged at the bottom wall outer of the inner cylinder；With
Second permanent magnet, is arranged at the inside bottom wall of the outer barrel, and is oppositely arranged with first permanent magnet,
Wherein described second permanent magnet is identical with the magnetic on the relative surface of first permanent magnet, with using described
During magnetic repulsion force between second permanent magnet and first permanent magnet makes the inner cylinder be supported on the outer barrel,
And the gravity of the inner cylinder and its interior contents is acted directly on the outer barrel by the magnetic repulsion force
On bottom wall.
Alternatively, the washing machine also includes：
The rotating mechanism is arranged at the bottom wall lower section of the outer barrel, and the rotation mandrel of the rotating mechanism is from institute
Stating in stretched into below outer barrel the inner cylinder, to drive the impeller being arranged in the inner cylinder to rotate；And
The outside of the rotation mandrel is arranged with rotary axle box, and the rotary axle box is from the lower direction of the outer barrel
On extend to the ring flange of the bottom wall outer for being arranged on the inner cylinder；
The ring flange have be available for the rotary axle box to be arranged in through hole therein, the rotary axle box and institute
Flange dish type is stated with connection, drives the inner cylinder to rotate with by the ring flange；Wherein
First permanent magnet and second permanent magnet are permanent-magnetic clamp；And
First permanent magnet is fixed on the ring flange towards on the side of the outer barrel and being centered around described
Around the through hole of ring flange, second permanent magnet is fixed on the bottom wall inner surface of the outer barrel and is centered around
Around the central axle hole of the outer barrel bottom wall.
Alternatively, the washing machine also includes：
The casing is distributed with multiple flap seats in the inner circumferential wall below the outer ring magnet, and described outer
The bottom of cylinder peripheral outer wall is distributed with multiple cushion sockets；
The washing machine also includes being used to hang the outer barrel to hold in the palm to be hung in the multiple adjustable dampings in the casing
Bar, each described adjustable damping suspension rod includes：
Cylinder body, defines the cavity for containing magnetic flow liquid in it；
Elongated suspension rod, its top is provided with top mounting seat, by adjustable damping suspension rod hanging described
On the flap seat of casing, the cylinder body is inserted and via the lower end of the cylinder body in its bottom from the upper end of the cylinder body
Outwards pass；
Piston, fixed cover is provided on the elongated suspension rod in the cavity, and the piston is provided with for producing
The coil of magnetisation and the fluid course circulated for magnetic flow liquid axially through the piston, and
Spring, is set on the elongated suspension rod between the bottom of the elongated suspension rod and the cylinder body lower end；
Wherein described cylinder body upper end is formed with the location division for upwardly extending, and is matched with the cushion socket with the outer barrel
Close, so that the outer barrel is hung on the adjustable damping suspension rod under gravity.
During existing washing machine high speed dewatering, because the eccentric outer barrel of clothing can indefinitely to washer cabinet one
Roll tiltedly, or even can be collided with casing.Washing machine of the invention is set by the inner circumferential wall in casing
Outer ring magnet, the inner ring magnet relative with outer ring magnet is set in the peripheral outer wall of outer barrel, thus can due to
When clothing bias causes outer barrel that radial vibration occurs in inner cylinder, using the magnetic between inner ring magnet and outer ring magnet
Power particularly repulsive force buffering, the vibration of balance outer barrel, reduce the amplitude of outer barrel radial vibration, so that effectively
Ground compensation, while reducing vibrating noise, reaches vibration and noise reducing due to the eccentric vibration for producing of clothing in inner cylinder
Purpose.
Further, in washing machine of the invention, due to being set in inner cylinder bottom wall outer and outer barrel inside bottom wall
First permanent magnet and the second permanent magnet, inner cylinder can be rotatably supported in outer barrel and make inner cylinder and its
The gravity of interior contents is acted directly on the bottom wall of outer barrel by magnetic force, so as to reduce to connection inner cylinder and
The active force of the rolling bearing of rotating mechanism, it is to avoid it produces fatigue failure, extends its service life, enters
And reduce the cost of washing machine.Simultaneously as inner cylinder is supported in outer barrel in which can suspend, inner cylinder is reduced
Mechanical Contact and outer barrel between, when having relative motion vertically between inner cylinder and outer barrel, first forever
Magnetic repulsion force between magnet and the second permanent magnet can play cushioning effect, so as to largely weaken
Washing machine in the vibration done washing and be dehydrated during drying, reduce noise.
Further, washing machine of the present invention can washed due to setting the adjustable damping suspension rod based on magnetic flow liquid
In the case that clothing machine works in different loads, there is provided different viscous damping power, so as to washing machine can be realized big
The vibration of slow-speed of revolution resonance region decays rapidly in the case of big damping when load dehydration starts；And it is de- in high speed
When the water stage gently loads, the vibration to outer barrel in the case of small damping produces effective isolation, is unlikely to make to shake
It is dynamic to be delivered in washer cabinet, so as to reduce the amplitude of casing, guarantee washing machine is reached in various loads
Under whole dehydration dry process even running.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will
More understand of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe that of the invention some are specific in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter
Embodiment.Identical reference denotes same or similar part or part in accompanying drawing.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 is the schematic plan of washing machine according to an embodiment of the invention；
Fig. 3 is the schematic cross sectional views of washing machine according to an embodiment of the invention, and casing is eliminated in figure；
Fig. 4 is the enlarged diagram at D regions shown in Fig. 3；
Fig. 5 is the schematic diagram of the ring flange in washing machine shown in Fig. 4；
Fig. 6 is the perspective schematic view of the gimbal in washing machine shown in Fig. 1；
Fig. 7 is the schematic diagram of the outer barrel in washing machine shown in Fig. 1；
Fig. 8 is the schematic cross sectional views of the adjustable damping suspension rod in washing machine shown in Fig. 1.
Specific embodiment
Fig. 1 is the schematic diagram of washing machine according to an embodiment of the invention 100.Referring to Fig. 1,
Washing machine 100 may include casing 110 in general manner, be arranged in the outer barrel 120 in casing 110, rotatably
Be arranged at inner cylinder 130 in outer barrel 120, and the rotating mechanism 800 for driving inner cylinder 130 to rotate.
Washing machine 100 also includes the outer ring magnet being directly or indirectly arranged in the inner circumferential wall of casing 110
119 and the inner ring magnet 129 that is arranged in the peripheral outer wall of outer barrel 120 and is oppositely arranged with outer ring magnet 119.
It will be understood by those skilled in the art that casing 110 and outer barrel 120 include bottom wall and the week from bottom wall
The perisporium that edge is upwardly extended, and the end of perisporium forms upward opening.Outer ring magnet 119 is directly or indirectly
It is arranged at the inner circumferential wall of casing 110, it will be appreciated that for outer ring magnet 119 is directly or indirectly arranged on casing
The inner side of 110 perisporiums, outer ring magnet 119 is in the directly or indirectly installation or solid of the inner side of casing 110 in other words
It is scheduled on the perisporium of casing 110.Inner ring magnet 129 is arranged in the peripheral outer wall of outer barrel 120, it will be appreciated that for interior
Circle magnet 129 is arranged at the outside of the perisporium of outer barrel 120, and inner ring magnet 129 is in the outside of outer barrel 120 in other words
It is mounted or fixed on the perisporium of outer barrel 120.
Those skilled in the art anticipate it may also be appreciated that inner ring magnet 129 is oppositely arranged with outer ring magnet 119
Taste inner ring magnet 129 and is oppositely arranged with outer ring magnet 119 in the radially inner side of outer ring magnet 119, so that
The amplitude of the radial vibration of outer barrel 120 is reduced using the magnetic force between inner ring magnet 129 and outer ring magnet 119.
In a preferred embodiment, inner ring magnet 129 is identical with the magnetic of the apparent surface of outer ring magnet 119, with profit
The radial vibration of outer barrel 120 is buffered with the magnetic repulsion force between inner ring magnet 129 and outer ring magnet 119.
For rotary drum washing machine, clothing bias can cause inner cylinder 130 and outer barrel 120 to be sent out in inner cylinder 130
Raw radial vibration.When outer barrel 120 vibrates to side (such as forward and backward, left or right) to be offset, outer ring magnet
119 and spacing of the inner ring magnet 129 between the side can diminish, thus cause outer ring magnet 119 and inner ring
Repulsion between magnet 129 can increase, and under repulsion effect outer barrel 120 can be promoted to move round about,
So as to effectively compensate for, due to the eccentric vibration for producing of clothing in inner cylinder 130, reducing the vibration amplitude of outer barrel 120,
Reduce its radial vibration.In an alternative embodiment, inner ring magnet 129 and the phase of outer ring magnet 119 can also be made
Magnetic to surface is conversely, outer using the magnetic attraction buffering between inner ring magnet 129 and outer ring magnet 119
The radial vibration of cylinder 120.
The cross section of outer barrel 120 is generally circular, inner ring magnet 129 be arranged on outer barrel 120 on after on the whole
Rounded (not considering its thickness in the horizontal direction)；And the cross section of casing 110 is typically at around square circle
Shape or analogous shape, in order to preferably coordinate to play preferable damping effect, outer ring with inner ring magnet 129
Magnet 119 is preferably also rounded (not considering its thickness in the horizontal direction) on the whole.Outer ring magnet 119
Can be fixed by the installed part (not shown) extended from the inner circumferential wall of casing 110 to outer barrel 120
In the inner circumferential wall of casing 110；Or by by outer ring magnet 119 in itself and the basic phase of inwall of casing 110
4 positions and the casing 110 cut are fixed.Inner ring magnet 129 can directly be set in the week of outer barrel 120 outwards
Wall, or by fastener etc. installed in outer barrel 120 peripheral outer wall.
For rotary drum washing machine, the characteristics of due to its own structure, its vibration source is generally in outer barrel 120
Bottom, therefore in order to play preferable effectiveness in vibration suppression, can try one's best and set outer ring magnet 119 and inner ring magnet 129
Put in the position away from the bottom of outer barrel 120.Preferably, inner ring magnet 129 is arranged on the circumference of outer barrel 120
Outer wall top, outer ring magnet 119 is directly or indirectly fixed on being in inner ring magnet 129 for casing 110
In the inner circumferential wall of identical vertical position.
Outer ring magnet 119 and inner ring magnet 129 can be essentially identical in the height of vertical direction.Preferably implementing
In example, the upper and lower end face of outer ring magnet 119 is concordant respectively with the upper and lower end face of inner ring magnet 129 to be set.
In certain embodiments, inner ring magnet 129 and outer ring magnet 119 are continuous circular shape magnet, and interior
Circle magnet 129 and the essentially concentric of outer ring magnet 119 are set.It will be understood by those skilled in the art that substantially same
The heart sets the circle that can be understood as the center of circle of circumference residing for inner ring magnet 129 and circumference residing for outer ring magnet 119
The heart is essentially coincided.In such embodiments, the outer surface of inner ring magnet 129 and outer ring magnet 119 is interior
Surface is collectively forming the annulus of a basic standard, and the spacing between inner ring magnet 129 and outer ring magnet 119 is
It is the width of the annulus.Each site of inner ring magnet 129 is subject to the magnetic force all same of outer ring magnet 119, outward
Position when cylinder 120 is without radial vibration is substantially the position of the stress balance of inner ring magnet 129, so that
Outer barrel 120 occurs to be conducive to being quickly returning to equilbrium position in the presence of outer ring magnet 119 during radial deflection.
Fig. 2 is the schematic plan of washing machine according to an embodiment of the invention 100.As shown in Fig. 2
In further embodiments, inner ring magnet 129 and outer ring magnet 119 can be discontinuous annular magnet,
I.e. inner ring magnet 129 and outer ring magnet 119 are constituted by the multiple magnetic patch in respective circumferentially spaced about setting；
That is, inner ring magnetic patch 1291 of the inner ring magnet 129 by multiple in same circumferentially spaced about setting is constituted,
Outer ring magnetic patch 1191 of the outer ring magnet 119 by multiple in same circumferentially spaced about setting is constituted.Specifically,
Inner ring magnet 129 is included in the multipair inner ring magnetic being distributed uniformly and circumferentially in the peripheral outer wall of outer barrel 120
Block 1291, wherein each pair inner ring magnetic patch 1291 are in the two ends of the same diameter line of outer barrel 120.That is each pair
Inner ring magnetic patch 1291 is symmetrical relative to the axis centre of outer barrel 120, in other words in each pair inner ring magnetic patch 1291
An inner ring magnetic patch 1291 around outer barrel 120 axis rotation 180 degree after with another inner ring magnetic patch 1291
Overlap.
Outer ring magnet 119 includes the multipair outer ring magnetic patch 1191 being correspondingly arranged with multipair inner ring magnetic patch 1291,
Wherein each pair outer ring magnetic patch 1191 is in the extension of diameter line residing for a pair of corresponding inner ring magnetic patch 1291
On line.This means each pair outer ring magnetic patch 1191 is symmetrical also relative to the axis centre of outer barrel 120, and
Each outer ring magnetic patch 1191 is facing with an inner ring magnetic patch 1291.So, can make not sent out in outer barrel 120
During raw radial vibration, inner ring magnet 129 is substantially at the position of stress balance.Once outer barrel 120 is towards a certain
When outer ring magnetic patch 1191 is moved, can be in the inner ring magnetic patch 1291 for facing therewith of outer barrel 120 and the outer ring magnetic
Moved in the opposite direction under the repulsion effect of block 1191, i.e., be arranged in pairs towards with the outer ring magnetic patch 1191
Another outer ring magnetic patch 1191 is moved, so as to can be transported towards an outer ring magnetic patch 1191 again under repulsion effect
It is dynamic, so that the amplitude of the vibration of outer barrel 120 is gradually reduced, play a part of vibration damping.
In a preferred embodiment, in multipair inner ring magnetic patch 1291 each inner ring magnetic patch 1291 and how external
In circle magnetic patch 1191 between the outer ring magnetic patch 1191 of corresponding setting (in other words therewith in face of setting)
Spacing is equal.That is, circumference and multipair outer ring magnetic patch 1191 residing for multipair inner ring magnetic patch 1291
Residing circumferential concentric.
In the embodiment shown in Figure 2, outer ring magnet 119 be in the inner circumferential wall of casing 110 circumferentially
The equally distributed 4 arc-like outer band magnetic patch 1191 in direction；Inner ring magnet 129 is outside in the week of outer barrel 120
Equally distributed 4 arc-like inner band magnetic patch on circumference on wall along Radius less than the radius of outer ring magnet 119
1291,4 arc-like outer band magnetic patch 1191 are oppositely arranged with 4 arc-like inner band magnetic patch 1291.Specifically, 4
Individual arc-like outer band magnetic patch 1191 is respectively on the front, rear, left and right four direction of washing machine 100；4
Arc-like inner band magnetic patch 1291 is also respectively on the front, rear, left and right four direction of washing machine 100.
In a preferred embodiment, inner ring magnet 129 and outer ring magnet 119 are made by permanent-magnet material；Enter
One step is preferably made up of Nd-Fe-B permanent magnet.In an alternative embodiment, inner ring magnet 129 and outer ring magnet
At least one of 119 are alternatively electromagnet.Electromagnet may particularly include iron core and be wrapped in logical on iron core
Electric coil.
In a further embodiment, with continued reference to Fig. 1, washing machine 100 also includes the first permanent magnet 510
With the second permanent magnet 520.First permanent magnet 510 is arranged at the bottom wall 130a outsides of inner cylinder 130；Second forever
Magnet 520 is arranged at the bottom wall 120a inner sides of outer barrel 120, and is oppositely arranged with the first permanent magnet 510.
Second permanent magnet 520 is identical with the magnetic on the relative surface of the first permanent magnet 510, to utilize the second permanent magnetism
Magnetic repulsion force between the permanent magnet 510 of body 520 and first makes inner cylinder 130 be supported in outer barrel 120.Also
It is to say, the first permanent magnet 510 is suspended in the second permanent magnet by it with the magnetic repulsion force of the second permanent magnet 520
On 520, under the magnetic repulsion force effect between the first permanent magnet 510 and the second permanent magnet 520, first
Permanent magnet 510 can produce upward support force by inner cylinder bottom wall 130a to inner cylinder 130, so as in overcoming
The gravity of cylinder 130 itself and the gravity of Qi Nei contents are supported in outer barrel 120 with making the suspension of inner cylinder 130,
So as to not contacted with outer barrel 120 when inner cylinder 130 is rotated, it is to avoid produced between inner cylinder 130 and outer barrel 120
Mechanical friction, so as to effectively act as the effect of vibration and noise reducing.The wherein gravity and Qi Nei of inner cylinder 130 itself
The gravity of contents can act directly on outer barrel bottom wall by the first permanent magnet 510 and the second permanent magnet 520
On 120a.Washing machine 100 mentioned above is also referred to as magnetic suspension washing machine.
The present invention on casing 110 and outer barrel 120 by directly or indirectly setting the He of outer ring magnet 119 respectively
Inner ring magnet 129 (hereinafter referred to as interior external magnet), outer barrel is reduced with by the magnetic force between interior external magnet
120 radial vibration amplitudes (buffer the radial vibration of outer barrel 120) in other words；By respectively in inner cylinder 130
The first permanent magnet 510 and the second permanent magnet 520 directly or indirectly are set (hereinafter referred to as with outer barrel 120
Upper lower magnet), to provide support force as inner cylinder 130 by the repulsion between upper lower magnet.
It was found by the inventors of the present invention that for magnetic suspension washing machine, because it is relied between upper lower magnet
Repulsion inner cylinder 130 is suspended on outer barrel 120, so as to cause inner cylinder 130 high speed rotate when lose
Radial constraint, so as to be susceptible to radially rock.The present invention can be alleviated by the magnetic force between interior external magnet
The radial vibration of outer barrel 120 and then the alleviation radial vibration of inner cylinder 130.From this, the present invention is using inside and outside magnetic
Iron reduces the technical scheme of the radial vibration amplitude of outer barrel 120, is particularly suitable for applications in magnetic suspension washing machine.
Upper lower magnet and interior external magnet are combined to form organic whole by the present invention, can both realize axial Vibrant buffer
The vibration constraint of radial direction can be realized again, with unexpected excellent damping effect.Those skilled in the art
It is understood that using the magnetic force between interior external magnet, reducing the technical side of the amplitude of the radial vibration of outer barrel 120
Case is applicable not only to magnetic suspension washing machine, is equally applicable to other upright type washing machines, such as traditional bearing transmission
Washing machine.
Fig. 3 is the schematic cross sectional views of washing machine according to an embodiment of the invention 100, is eliminated in figure
Casing 110；Fig. 4 is the schematic expanded view at D regions shown in Fig. 3.As shown in Figure 3 and Figure 4, exist
In some embodiments of the present invention, rotating mechanism 800 may include motor 830 and with planetary gear and too
The transmission mechanism 840 of sun wheel, motor 830 drives inner cylinder 130 and impeller 160 by transmission mechanism 840
Rotated along identical or opposite direction.Rotating mechanism 800 is arranged at the bottom wall lower section of outer barrel 120, rotating machine
During the rotation mandrel 841 of structure 800 stretches into inner cylinder 130 from the lower section of outer barrel 120, inner cylinder is arranged on to drive
Impeller 160 in 130 is rotated.
As shown in figure 4, the outside of rotation mandrel 841 can be arranged with rotary axle box 842, rotary axle box 842
The ring flange 170 being arranged on the outside of the bottom wall 130a of inner cylinder 130 is extended upwardly to from the lower section of outer barrel 120.
Between rotation mandrel 841 and rotary axle box 842, the junction of rotary axle box 842 and outer barrel bottom wall 120a
Settable sealing ring (not shown).
Fig. 5 is the schematic diagram of the ring flange 170 in washing machine 100 shown in Fig. 4.For the ease of seeing
The position relationship of the first permanent magnet 510 and ring flange 170 is examined, the first permanent magnet 510 is also show in Fig. 5.
Ring flange 170 includes ring flange body 172, offers that to be available for rotation mandrel 841 to be arranged in therein thereon
Through hole 171 and the multiple installation feet 173 extended to radial outside protrusion from ring flange body 172.Rotate
Axle sleeve 42, with being connected, drives inner cylinder 30 to rotate with the shape of ring flange 32 with by ring flange 32.Each is installed
The distal end of pin 173 offers screw hole, so that ring flange 170 to be fixed on the bottom of inner cylinder 130 by screw
On wall 130a.
First permanent magnet 510 and the second permanent magnet 520 are the permanent-magnetic clamp being made up of permanent-magnet material；And first
Permanent magnet 510 is fixed on ring flange 170 towards on the side of outer barrel 120 and being centered around ring flange 170
Around through hole 171, the second permanent magnet 520 be fixed on the bottom wall 120a inner surfaces of outer barrel 120 and around
Around the central axle hole of outer barrel bottom wall 120a.
In the preferred embodiment of the present invention, the spacing between the first permanent magnet 510 and the second permanent magnet 520 is
1cm-2cm or so, the repulsion between the first permanent magnet 510 and the second permanent magnet 520 is 280N-350N
Left and right, the repulsion size chosen within this range can steadily be floated completely with will fill with the inner cylinder 130 of clothing and water.
In some embodiments of the invention, washing machine 100 also includes being arranged at the balance at the top of inner cylinder 130
Ring 900.Fig. 6 is the perspective schematic view of the gimbal 900 in washing machine 100 shown in Fig. 1.Such as Fig. 6
Shown, gimbal 900 includes being defined in it housing 91 of the annular compartment 920 for containing balance media
Be arranged at least one of annular compartment 920 camber dividing plate 92.Each camber dividing plate 92 is from annular chamber
The internal perisporium 902 of room 920 extends to its periphery wall 901 along camber, and each camber dividing plate 92 is offered for flat
The liquid opening (not shown) that weighing apparatus medium flows in annular compartment 920.Balance media can be salt solution,
Or other suitable fluids.Compared to plane dividing plate, the camber dividing plate 92 of the embodiment of the present invention is conducive to reducing
The internal balance media flow resistance of gimbal 900.
Especially, each camber dividing plate 92 extends along the tangent line S1 and annular chamber in direction at its outboard end
Angle theta of the periphery wall 901 of room 920 at the outboard end in rotational direction between the tangent line S2 of A1 is acute angle.
When wherein rotation direction A1 is that washing machine 100 is in spin-drying operation, (put down in other words with its inner cylinder 130
Weighing apparatus ring 900) the opposite direction of rotation of rotation direction A2.Camber dividing plate 92 is at it in the embodiment of the present invention
The tangent line S1 in direction is extended along at outboard end, it can be understood as the bearing of trend along camber dividing plate 92 prolongs
Tangent line S1, S1 ', S1 in the tangent line stretched, i.e. Fig. 6 ".The periphery wall 901 of annular compartment 920 is outer at this
The in rotational direction tangent line S2 of A1 at side, it can be understood as relative to the bearing of trend of camber dividing plate 92,
Extend along the tangent line in direction at its outboard end relative to camber dividing plate 92 in other words, periphery wall 901 exists
The tangent line extended towards rotation direction A1 at the outboard end；Or say the periphery wall that tangent line S2 is annular compartment
Towards the section of the first rotation direction A1 in 612 tangent line at the outboard end, i.e. tangent line S2 in Fig. 6,
S2′、S2″。
Thereby, it is possible to when washing machine 100 performs dehydration and dries, reduce the internal balance medium of gimbal 900
Flow resistance, the balance media in shortening annular chamber 20 reaches the time of the periphery wall 101 of annular compartment 20.
So as to balance media can rapidly focus on the opposite of eccentric force along camber dividing plate 92, realize eccentric self-complementary
Repay, the bias that the rotation of Fast-Balance inner cylinder 130 is produced.
In some embodiments of the invention, multiple plane dividing plates (figure is additionally provided with annular cavity 920
Not shown in), itself and the interval setting of multiple arcs dividing plate 92.
In a further embodiment, each camber dividing plate 92 extends along cutting for direction at its outboard end
Between tangent line S2 of the periphery wall 901 of line S1 and annular compartment 920 at the outboard end along direction of rotation A1
Angle theta be 30-60 °, balance media arrival periphery that so can further in shortening annular chamber 920
The time of wall 901, quickly play the eccentric effect that the balance rotation of inner cylinder 130 is produced.
Further, each site of each camber dividing plate 92 on its development length extends along direction
Tangent line with by the site and the circumference concentric with the internal perisporium 902 of annular compartment 920 (site in other words
The residing circumference concentric with the internal perisporium 902 of annular compartment 920) in the site in rotational direction A1
Tangent line between angle be acute angle or be 0 ° of angle (in other words angle between the two be less than 90 °).Pass through
So set, when balance media can be made to be rotated along direction of rotation A2, in the internal perisporium from annular compartment 920
902 flowed to periphery wall 901 during the resistance that is subject to it is smaller, so as to further shorten to up to periphery
The time of wall 901.
In a preferred embodiment, the quantity of camber dividing plate 92 is 8-12 in gimbal 900, preferably
10.In such embodiments, gimbal 900 is conducive to being dehydrated drying stage inner cylinder in washing machine 100
130 balance media is maintained at the diametrically opposite position portion in maximum eccentric portion when rotating, so as to can effectively suppress
Eccentric vibrating problem when slowly running.
Test shows, compared to existing technology in all using the gimbal of radial direction dividing plate, gimbal of the invention
900 can play balanced action when the rotating speed of inner cylinder 130 is relatively low.In other words, it is of the prior art flat
Weighing apparatus ring needs the rotating speed of inner cylinder 130 can just to play balanced action when reaching certain rotary speed threshold value, and for the present invention
Embodiment, when the rotating speed of inner cylinder 130 is in the certain range of speeds less than foregoing rotary speed threshold value, gimbal
900 can play balanced action, so that washing machine 100 according to embodiments of the present invention can be in its inner cylinder
130 carry out dehydration the spin-drying operation initial stage there is less Oscillation Amplitude.
In rotary drum washing machine, outer barrel 120 is generally hung by multiple suspension rods and held in the palm in casing 110.Referring to Fig. 1
And Fig. 7, similar with rotary drum washing machine of the prior art, in embodiments of the present invention, casing 110 is located at outer
The inner circumferential wall of the lower section of circle magnet 119 is distributed with multiple flap seats 111, the bottom distribution of the peripheral outer wall of outer barrel 120
There are multiple cushion sockets 121, for being connected with multiple suspension rods respectively.Usual flap seat 111 and cushion socket 121
Quantity is 4, along the even circumferential radial distribution of outer barrel 120, makes 4 suspension rod uniform stresseds.
Especially, the suspension rod in the embodiment of the present invention is preferably can realize regulation damping by changing magnetic field size
The adjustable damping suspension rod 10 of size.Fig. 8 is the signal of the adjustable damping suspension rod 10 of the preferred embodiment of the present invention
Property sectional view.Referring to Fig. 8, adjustable damping suspension rod 10 may include cylinder body 2, elongated suspension rod 1 and piston 3.
The cavity for containing magnetic flow liquid is defined in cylinder body 2.The bottom of elongated suspension rod 1 is from the upper end of cylinder body 2
Insert cylinder body 2 and the lower end via cylinder body 2 outwards passes.Elongated suspension rod 1 can be relative to cylinder body 2 vertically
Direction moves back and forth.Piston 3 is arranged in the cavity of cylinder body 2, and fixation is set on elongated suspension rod 1,
It can in axial direction be moved back and forth with elongated suspension rod 1 in cavity.
Piston 3 is provided with the coil 32 and the liquid axially through piston 3 that magnetic field can be produced when being powered
Circulation road 31.Piston 3 can be made up of ferromagnetic material, and coil 32 is wound on the inside of piston 3.Piston 3
The magnetic flow liquid of side can flow to the opposite side of piston 3 via fluid course 31, so as to pass through fluid course
31 connect the space of piston both sides about 3.When the motion upwards in cylinder body 2 of piston 3, in cavity
Magnetic flow liquid from up to down flows via fluid course 31；When piston 3 is moved downward in cylinder body 2,
Magnetic flow liquid in cavity is via the bottom-up flowing of fluid course 31.When coil 32 is powered, can be at it
Surrounding produces magnetic field, and after magnetic flow liquid is subject to magnetic fields in fluid course 31, its viscosity can change.
The mobility of magnetic flow liquid in fluid course 31 can be changed by changing the size of electric current in coil 32, from
And change damping size when piston 3 is moved.Thus, the feelings of different loads can be worked in washing machine 100
Under condition, there is provided different viscous damping power, so as to can realize washing machine 100 when heavy load is dehydrated and starts low turn
The vibration of fast resonance region decays rapidly in the case of big damping；And when gently loading in the high speed dewatering stage,
Vibration in the case of small damping to outer barrel 120 produces effective isolation, is unlikely to make vibration be delivered to washing machine
Come on 100 casings 110, so as to reduce the amplitude of casing 110, reach guarantee washing machine 100 various negative
Whole dehydration under carrying dries process even running.
Wire casing 34 is provided with elongated suspension rod 1 and piston 3, for arranging the wire powered to coil 32.
Wire casing 34 extends to the top of elongated suspension rod 1 from piston 3.
The top of elongated suspension rod 1 is provided with top mounting seat 6, and adjustable damping suspension rod 10 is hung in casing
On 110 flap seat 111.Wire for being powered to coil 32 can be connected via top mounting seat 6 with power supply.
The upper end of cylinder body 2 is formed with the location division 223 for upwardly extending, and is engaged with the cushion socket 121 with outer barrel 120,
So that outer barrel 120 is hung on adjustable damping suspension rod 10 under gravity.The knot of top mounting seat 6
Structure can be similar with the upper ball base of prior art middle hanger, and the structure of location division 223 can be with prior art middle hanger
Lower ball base be similar to.Wherein had on flap seat 111 and cushion socket 121 straight with diameter greater than elongated suspension rod 1
The through hole in footpath, elongated suspension rod 1 passes through flap seat and cushion socket, and causes top mounting seat 6 and location division 223
Be located at the outside of flap seat 111 and cushion socket 121 respectively, so as under the Action of Gravity Field of outer barrel 120 respectively with hang
Seat 111 and cushion socket 121 are fitted.
In certain embodiments, cylinder body 2 includes jacket casing 21, and is used to it positioned at the upper and lower ends of jacket casing 21
The upper end cover 22 and bottom end cover 23 of sealing.Location division 223 is formed on upper end cover 22.Upper end cover 22
Center has through hole, with allow elongated suspension rod 1 pass through and can be in axial direction reciprocal relative to upper end cover 22
Motion.
In a further embodiment, adjustable damping suspension rod 10 also includes gooseneck bracket 5 and spring 4, gooseneck bracket
5 bottoms for being fixedly arranged on elongated suspension rod 1；Spring 4 between the bottom of elongated suspension rod 1 and the lower end of cylinder body 2 (or
Person says spring 4 between gooseneck bracket 5 and the lower end of cylinder body 2) it is set on elongated suspension rod 1.When elongated suspension rod 1
When being moved upwards in cylinder body 2, spring 4 shortens；When elongated suspension rod 1 is moved downward in cylinder body 2,
Spring 4 extends.Spring 4 is conducive to the reciprocating motion of elongated suspension rod 1, can further function as the effect of damping.
The adjustable damping suspension rod 10 of the embodiment of the present invention, because the bottom of its elongated suspension rod 1 is from the upper of cylinder body 2
Cylinder body 2 is inserted at end and the lower end via cylinder body 2 outwards passes, can be preferably right by the upper and lower ends of cylinder body 2
Elongated suspension rod 1 carries out spacing.When elongated suspension rod 1 is slided with piston 3 in cylinder body 2, elongated suspension rod
1 direction of motion is not susceptible to deviate, so as to be not likely to produce deflection deformation, while piston 3 is not easy to generation
Inclined cylinder.Therefore, the invention can ensure that adjustable damping suspension rod 10 has preferable damping effect, while having
Service life more long, is particularly well-suited to rotary drum washing machine.
It will be understood by those skilled in the art that washing machine 100 involved in the present invention including but not limited to only has
The laundry facilities of drying functions is washed, also including the device with other functions, for example, work(is dried with washing
Can be with the clothes washer/dryer of 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, " top ",
" bottom ", " vertical ", " level " etc. are with washing machine 100 for representing the term in orientation or position relationship
Real use state on the basis of for, these terms are for only for ease of description and understand skill of the invention
Art scheme, rather than indicate imply signified device or lose must have specific orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.
So far, although those skilled in the art will appreciate that herein it is detailed have shown and described it is of the invention
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 many other variations or modifications for meeting the principle of the invention.Cause
This, the scope of the invention should be understood and defined as covering all these other variations or modifications.
Claims (10)
1. a kind of washing machine, including casing and the outer barrel being arranged in the casing, it is characterised in that also include：
Outer ring magnet, is arranged in the inner circumferential wall of the casing；With
Inner ring magnet, is arranged in the peripheral outer wall of the outer barrel, and is oppositely arranged with the outer ring magnet, with
The amplitude of the outer barrel radial vibration is reduced using the magnetic force between the inner ring magnet and the outer ring magnet.
2. washing machine according to claim 1, it is characterised in that
The inner ring magnet and the outer ring magnet are continuous circular shape magnet, and the inner ring magnet and described
Outer ring magnet is arranged concentrically.
3. washing machine according to claim 1, it is characterised in that
The inner ring magnet is included in be distributed uniformly and circumferentially in the peripheral outer wall of the outer barrel multipair
Inner ring magnetic patch, wherein each pair inner ring magnetic patch are in the two ends of the same diameter line of the outer barrel；And
The outer ring magnet includes the multipair outer ring magnetic patch being correspondingly arranged with the multipair inner ring magnetic patch, wherein often
Outer ring magnetic patch is on the extended line of diameter line residing for a pair of corresponding inner ring magnetic patch.
4. washing machine according to claim 3, it is characterised in that
It is corresponding in each inner ring magnetic patch and the multipair outer ring magnetic patch in the multipair inner ring magnetic patch to set
Spacing between the outer ring magnetic patch put is equal.
5. washing machine according to claim 1, it is characterised in that
The inner ring magnet and the outer ring magnet are made by permanent-magnet material.
6. washing machine according to claim 1, it is characterised in that
The inner ring magnet is identical with the magnetic of the outer ring magnet apparent surface, to utilize the inner ring magnet
And the magnetic repulsion force between the outer ring magnet reduces the amplitude of the outer barrel radial vibration.
7. washing machine according to claim 1, it is characterised in that
The inner ring magnet is arranged on the peripheral outer wall top of the outer barrel；And
It is identical that the outer ring magnet is directly or indirectly fixed on being in the inner ring magnet for the casing
In the inner circumferential wall of vertical position.
8. washing machine according to claim 1, it is characterised in that also include：
It is rotatablely arranged at the inner cylinder in the outer barrel；
For the rotating mechanism for driving the inner cylinder to rotate；
First permanent magnet, is arranged at the bottom wall outer of the inner cylinder；With
Second permanent magnet, is arranged at the inside bottom wall of the outer barrel, and is oppositely arranged with first permanent magnet,
Wherein described second permanent magnet is identical with the magnetic on the relative surface of first permanent magnet, with using described
During magnetic repulsion force between second permanent magnet and first permanent magnet makes the inner cylinder be supported on the outer barrel,
And the gravity of the inner cylinder and its interior contents is acted directly on the outer barrel by the magnetic repulsion force
On bottom wall.
9. washing machine according to claim 8, it is characterised in that
The rotating mechanism is arranged at the bottom wall lower section of the outer barrel, and the rotation mandrel of the rotating mechanism is from institute
Stating in stretched into below outer barrel the inner cylinder, to drive the impeller being arranged in the inner cylinder to rotate；And
The outside of the rotation mandrel is arranged with rotary axle box, and the rotary axle box is from the lower direction of the outer barrel
On extend to the ring flange of the bottom wall outer for being arranged on the inner cylinder；
The ring flange have be available for the rotary axle box to be arranged in through hole therein, the rotary axle box and institute
Flange dish type is stated with connection, drives the inner cylinder to rotate with by the ring flange；Wherein
First permanent magnet and second permanent magnet are permanent-magnetic clamp；And
First permanent magnet is fixed on the ring flange towards on the side of the outer barrel and being centered around described
Around the through hole of ring flange, second permanent magnet is fixed on the bottom wall inner surface of the outer barrel and is centered around
Around the central axle hole of the outer barrel bottom wall.
10. washing machine according to claim 7, it is characterised in that
The casing is distributed with multiple flap seats in the inner circumferential wall below the outer ring magnet, and described outer
The bottom of cylinder peripheral outer wall is distributed with multiple cushion sockets；
The washing machine also includes being used to hang the outer barrel to hold in the palm to be hung in the multiple adjustable dampings in the casing
Bar, each described adjustable damping suspension rod includes：
Cylinder body, defines the cavity for containing magnetic flow liquid in it；
Elongated suspension rod, its top is provided with top mounting seat, by adjustable damping suspension rod hanging described
On the flap seat of casing, the cylinder body is inserted and via the lower end of the cylinder body in its bottom from the upper end of the cylinder body
Outwards pass；
Piston, fixed cover is provided on the elongated suspension rod in the cavity, and the piston is provided with for producing
The coil of magnetisation and the fluid course circulated for magnetic flow liquid axially through the piston, and
Spring, is set on the elongated suspension rod between the bottom of the elongated suspension rod and the cylinder body lower end；
Wherein described cylinder body upper end is formed with the location division for upwardly extending, and is matched with the cushion socket with the outer barrel
Close, so that the outer barrel is hung on the adjustable damping suspension rod under gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938963.0A CN106884280A (en) | 2015-12-15 | 2015-12-15 | Washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510938963.0A CN106884280A (en) | 2015-12-15 | 2015-12-15 | Washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106884280A true CN106884280A (en) | 2017-06-23 |
Family
ID=59173837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510938963.0A Pending CN106884280A (en) | 2015-12-15 | 2015-12-15 | Washing machine |
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| Country | Link |
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| CN (1) | CN106884280A (en) |
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| CN109208251A (en) * | 2017-07-07 | 2019-01-15 | 青岛海尔洗衣机有限公司 | A kind of washing machine |
| CN109306600A (en) * | 2017-07-28 | 2019-02-05 | 青岛海尔洗衣机有限公司 | A kind of washing machine anticollision barrel and washing machine |
| CN110656468A (en) * | 2018-06-28 | 2020-01-07 | Bsh家用电器有限公司 | Washing machine with unbalance compensation ring |
| CN113445270A (en) * | 2020-03-26 | 2021-09-28 | 青岛海尔洗衣机有限公司 | Control device, clothes treatment equipment and control method thereof |
| CN114801177A (en) * | 2022-03-03 | 2022-07-29 | 宁波智造数字科技有限公司 | Method for cleaning 3D printing model through centrifugal force |
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| CN109306600A (en) * | 2017-07-28 | 2019-02-05 | 青岛海尔洗衣机有限公司 | A kind of washing machine anticollision barrel and washing machine |
| CN109306600B (en) * | 2017-07-28 | 2022-04-12 | 青岛海尔洗衣机有限公司 | Washing machine anti-collision barrel device and washing machine |
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| CN114801177A (en) * | 2022-03-03 | 2022-07-29 | 宁波智造数字科技有限公司 | Method for cleaning 3D printing model through centrifugal force |
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Application publication date: 20170623 |