CN205907510U - Rotary drum washing machine - Google Patents
Rotary drum washing machine Download PDFInfo
- Publication number
- CN205907510U CN205907510U CN201620695238.5U CN201620695238U CN205907510U CN 205907510 U CN205907510 U CN 205907510U CN 201620695238 U CN201620695238 U CN 201620695238U CN 205907510 U CN205907510 U CN 205907510U
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- China
- Prior art keywords
- ring flange
- washing machine
- drum washing
- rotary drum
- inner core
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- 238000005406 washing Methods 0.000 title claims abstract description 60
- 229920001971 elastomer Polymers 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000007704 transition Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 8
- 238000013016 damping Methods 0.000 abstract description 3
- 238000005339 levitation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The utility model provides a rotary drum washing machine, include: the urceolus, rotationally set up the inner tube in the urceolus, the inner tube passes through magnetic supporting in the urceolus, and be used for driving inner tube pivoted slewing mechanism, and wherein the diapire outside of inner tube is provided with the ring flange, and the ring flange has and to supply the axis of rotation to wear to locate through -hole wherein, and the axis of rotation is joined in marriage with the flange disk and is connected to moving the inner tube through the flange dribbling and rotating, rotary drum washing machine still includes: the rubber circle, its cover is established in the axis of rotation, and the portion that reduces on the rubber circle has reduces troops under one's command side and for cylinder portion under the columniform with being located reduces a setting between ring flange and axis of rotation on to cylinder diameter is to the range of vibrating in reducing. The utility model discloses a setting up the rubber circle between ring flange and axis of rotation, can cushioning because of the vibration that the rigid connection between inner tube and the axis of rotation produced, make the steady du genggao of magnetcisuspension floating rotary drum washing machine during operation, damping and denoising effect is obvious.
Description
Technical field
This utility model is related to washing machine technology field, more particularly to a kind of rotary drum washing machine.
Background technology
At present, in rotary drum washing machine common on the market, it is solid that outer tube adopts multiple (usually four) boom system to hang
It is scheduled in the casing of washing machine, inner core is arranged in outer tube, inner core axle is connected with outer tube axle by bearing.Due to inner core and
There is between outer tube Mechanical Contact, therefore in inner cylinder rotating, inner core axle produces mechanical friction with outer tube axle, makes whole washing machine
Serious vibration, noise is also larger.In order to solve this problem, some washing machine producers design electromagnetic levitation type rotary drum washing machine,
Will inner core pass through magnet between magnetic levitation in outer tube, to reduce vibration of washing machine amplitude.
Utility model content
Inventor of the present utility model finds, for electromagnetic levitation type rotary drum washing machine, because it relies between magnet
Magnetic force inner core is suspended on outer tube, thus leading to inner core to lose radial constraint in high-speed rotation, be susceptible to radially
Rock, and then result in washing machine and can produce larger vibration and noise during being dehydrated, affect Consumer's Experience.
Thus, a purpose of the present utility model is the drawbacks described above existing for existing electromagnetic levitation type rotary drum washing machine,
There is provided a kind of can vibration and noise reducing further rotary drum washing machine.
One of the present utility model further objective is that and will provide a kind of rotary drum washing machine with preferable effectiveness in vibration suppression.
To achieve these goals, this utility model provides a kind of rotary drum washing machine, comprising: outer tube；Rotationally set
It is placed in the inner core in described outer tube, described inner core passes through magnetic supporting in described outer tube；And be used for driving described inner core to turn
Dynamic rotating mechanism,
The bottom wall outer of wherein said inner core is provided with ring flange, described ring flange have be available for described rotating mechanism turn
Moving axis is arranged in through hole therein, and described rotary shaft is joined with described flange dish type and is connected, described to be driven by described ring flange
Inner core rotates,
Described rotary drum washing machine also includes:
Rubber ring, it is set in described rotary shaft, described rubber ring have on reduce portion and be located at described on reduce portion
Lower section and for cylindrical lower cylindrical portion, described on reduce portion and be arranged between described ring flange and described rotary shaft, to reduce
The amplitude of described inner core radial vibration.
Alternatively, the outwardly circle boss of the radial outside of described rotary shaft, described rubber ring is supported in described boss
On.
Alternatively, the portion that reduces on described is the truncated cone shape of external diameter from up to down flaring, and described lower cylindrical portion is from described
Reduce the cylinder that the bottom peripheral edge in portion extends downwardly, described on reduce the bottom external diameter in portion and be more than the through hole of described ring flange
Diameter, wherein
The top reducing portion on described is arranged between described ring flange and described rotary shaft, and the through hole of described ring flange
Lower edge be pressed on the outer surface reducing portion on described, with reduce described inner core radial vibration amplitude while, limit
The relatively described rotary shaft of described ring flange moves downward.
Alternatively, described rotary drum washing machine also includes:
It is fixed on the upper permanent-magnetic clamp of the lower surface of described ring flange, and be fixed on the diapire inner surface of described outer tube and enclose
It is wound on the lower permanent-magnetic clamp around the central axle hole of described outer tube diapire, described inner core passes through described upper permanent-magnetic clamp and described lower permanent magnetism
Magnetic supporting between ring in described outer tube,
The lower edge of the through hole of wherein said ring flange is pressed on the outer surface reducing on described in the middle part of portion；
Reduce the bottom in portion on described and described lower cylindrical portion is arranged on radially inner side surface and the institute of described upper permanent-magnetic clamp
State between the outer surface of rotary shaft.
Alternatively, the portion that reduces on described is less than the cylinder of the external diameter of described lower cylindrical portion, described lower cylindrical portion for external diameter
With described on reduce and be connected by the truncated conical transitional portion of an external diameter from up to down flaring between portion；
The external diameter reducing portion on described, more than the diameter of the through hole of described ring flange, is joined with interference between described ring flange
Close.
Alternatively, described rotary drum washing machine also includes:
It is fixed on the upper permanent-magnetic clamp of the lower surface of described ring flange, and be fixed on the diapire inner surface of described outer tube and enclose
It is wound on the lower permanent-magnetic clamp around the central axle hole of described outer tube diapire, described inner core passes through described upper permanent-magnetic clamp and described lower permanent magnetism
Magnetic supporting between ring in described outer tube,
The lower edge of the through hole of wherein said ring flange is pressed on the top of described transition part；
Described transition part and described lower cylindrical portion are arranged on the radially inner side surface of described upper permanent-magnetic clamp and described rotary shaft
Outer surface between.
Alternatively, the external diameter of described lower cylindrical portion is essentially identical with the internal diameter of described upper permanent-magnetic clamp.
Alternatively, the upper surface of described boss and the lower surface of described upper permanent-magnetic clamp are substantially flush setting.
Alternatively, the outer surface of described lower cylindrical portion offers the helical groove prolonging helix extension；Or
On the outer surface of described lower cylindrical portion, interval offers at least two parallel annular grooves.
Alternatively, the inner circumferential of described rubber ring and the periphery profiling of described rotary shaft match.
For electromagnetic levitation type rotary drum washing machine, the repulsion between upper lower magnet is relied on to be suspended in inner core due to it outer
On cylinder, thus leading to inner core to lose radial constraint in high-speed rotation, thus being susceptible to radially rock.This utility model leads to
Cross sheathed rubber ring in the rotary shaft of inner core, and make rubber ring on reduce portion and be arranged between ring flange and rotary shaft, can
Buffering, because of the vibration being rigidly connected and producing between inner core, ring flange and rotary shaft, makes electromagnetic levitation type rotary drum washing machine work
When smoothness higher, effect of vibration and noise reduction is obvious.Upper lower magnet and rubber ring are combined to form organic whole by this utility model, both
The vibration constraint that axial Vibrant buffer can realize radial direction again can be realized, there is unexpected excellent damping effect.This
The rotary drum washing machine of utility model, because it is provided with upper lower magnet and rubber ring, the vibration in high speed dewatering reduces by more than 40%,
Complete machine noise is improved substantially.
Further, rubber ring is particularly designed to have and reduces portion and the structure of lower cylindrical portion by this utility model,
The portion that reduces on wherein is arranged between ring flange and rotary shaft, for reducing the amplitude of inner core radial vibration.Rotary shaft and flange
The twisting resistance producing when disk relatively rotates can wear and tear rubber ring on reduce portion and so that rubber ring is deformed, and the structure of lower cylindrical portion
Design then can increase the intensity of rubber ring, and rubber ring deformation is reduced or avoided, and reduce and reduce portion's abrasion thereon.
According to the detailed description to this utility model specific embodiment below in conjunction with accompanying drawing, those skilled in the art will be more
Plus understand of the present utility model above-mentioned and other purposes, advantages and features.
Brief description
Describe in detail more of the present utility model specifically real hereinafter with reference to the accompanying drawings by way of example, and not by way of limitation
Apply example.In accompanying drawing, identical reference denotes same or similar part or part.It should be appreciated by those skilled in the art that
These accompanying drawings are not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the schematic cross sectional views of the rotary drum washing machine according to one embodiment of this utility model, and in figure eliminates machine
Shell；
Fig. 2 is the enlarged diagram at a region shown in Fig. 1；
Fig. 3 is the schematic diagram of the rubber ring in rotary drum washing machine shown in Fig. 2；
Fig. 4 is the schematic cross sectional views of rubber ring shown in Fig. 3；
Fig. 5 is the schematic cross sectional views of the rotary drum washing machine according to another embodiment of this utility model, and in figure eliminates
Casing；
Fig. 6 is the enlarged diagram at b region shown in Fig. 5；
Fig. 7 is the schematic diagram of the rubber ring in rotary drum washing machine shown in Fig. 6；
Fig. 8 is the schematic cross sectional views of rubber ring shown in Fig. 7.
Specific embodiment
Fig. 1 is the schematic cross sectional views of the rotary drum washing machine 100 according to one embodiment of this utility model, and Fig. 2 is Fig. 1 institute
Show the enlarged diagram at a region.Referring to Fig. 1, rotary drum washing machine 100 may include outer tube 120 in general manner, rotatably arranged with
Inner core 130 in outer tube 120, for the rotating mechanism 800 driving inner core 130 to rotate.Inner core 130 can by magnetic supporting in
In outer tube 120, such washing machine is also referred to as electromagnetic levitation type rotary drum washing machine.Rotary drum washing machine 100 also includes casing (figure
Not shown in), outer tube 120, inner core 130 and rotating mechanism 800 are contained in casing.Can be provided with inner core 130 for
The impeller 160 of medicated clothing is stirred in washing process.
In some embodiments of the present utility model, rotating mechanism 800 is arranged at below the diapire 120a of outer tube 120, turns
The rotary shaft 84 of motivation structure 800 extends upwardly to the diapire 130a of inner core 130 from the lower section of outer tube 120, drives 130 turns of inner core
Dynamic.Rotary shaft 84 can be the connecting shaft of inner hollow, so that another rotation mandrel (not shown) is inserted.Rotating core
The partial sector on axle top stretches out outside rotary shaft 84, to be connected with the impeller 160 in inner core 130, thus driving 160 turns of impeller
Dynamic.
Rotating mechanism 800 may include motor (not shown) and drive mechanism, and motor passes through drive mechanism
Rotary shaft 84 is driven to rotate, thus driving inner core 130 to rotate.Motor can drive rotary shaft 84 by drive mechanism further
Rotate along identical or contrary direction with rotation mandrel, so that inner core 130 rotates along identical or contrary direction with impeller 160.
In some embodiments of the present utility model, outside the diapire 130a of inner core 130, it is provided with ring flange 170, flange
Disk 170 has and is available for rotary shaft 84 and is arranged in through hole therein, and rotary shaft 84 is joined with ring flange 170 shape and is connected, with by flange
Disk 170 drives inner core 130 to rotate.Specifically, ring flange 170 can be fixed on the diapire 130a of inner core 130, and its through hole with interior
Central shaft hole on cylinder diapire 130a is just right.The medial wall around through hole of ring flange 170 can be with the outer wall of rotary shaft 84
Connected by spline or other structures of matching, indirectly to drive inner core 130 to rotate by ring flange 170.
In certain embodiments, rotary drum washing machine 100 may include the bottom of diapire 130a positioned at inner core 130 and outer tube 120
Upper magnet 510 between wall 120a and lower magnet 520, to make inner core using the magnetic force between lower magnet 520 and upper magnet 510
130 are rotatably supported in outer tube 120 and make inner core 130 and its gravity of interior contents to pass through magnetic force direct effect outside
On the diapire 120a of cylinder 120.Upper magnet 510 can be specifically located on ring flange 170.Gravity, inner core 130 due to inner core 130
In the gravity of medicated clothing that contains all can be applied directly on the diapire 120a of outer tube 120 by magnetic force, thus reducing to connection
The active force of the rotary shaft 84 of inner core 130 and rotating mechanism 800, it is to avoid it produces fatigue failure, extends its service life.With
When, because inner core 130 is supported in outer tube 120 with suspending, therefore decrease the Mechanical Contact between inner core 130 and outer tube 120,
When having the relative motion in axial direction between inner core 130 and outer tube 120, magnetic force can play cushioning effect, thus very big
Vibration during laundry and drying for the rotary drum washing machine 100 is reduced on degree, reduces noise.
In some embodiments of the present utility model, upper magnet 510 is arranged at outside the diapire 130a of inner core 130, lower magnetic
Body 520 is arranged inside the diapire 120a of outer tube 120.It is its diapire 130a outside the diapire 130a of inner core 130 towards outer tube
The side of diapire 120a, is the side towards inner core diapire 130a of its diapire 120a inside the diapire 120a of outer tube 120.Upper magnetic
Body 510 and lower magnet 520 are oppositely arranged, and upper magnet 510 is identical with the magnetic on lower magnet 520 relative two surfaces, with
Inner core 130 is made to be supported in outer tube 120 using the magnetic repulsion force between upper magnet 510 and lower magnet 520.Upper magnet 510 and under
Magnet 520 can be permanent magnet.
Inventor of the present utility model finds, for electromagnetic levitation type rotary drum washing machine, because it relies on upper lower magnet
Between repulsion inner core 130 is suspended on outer tube 120, thus leading to inner core 130 to lose radial constraint in high-speed rotation,
It is susceptible to radially rock, and then result in electromagnetic levitation type rotary drum washing machine and can produce larger vibration during being dehydrated and make an uproar
Sound, affects Consumer's Experience.
Therefore, in this utility model, rotary drum washing machine 100 also especially includes rubber ring 60, and it is set in rotary shaft
On 84, its at least part of section is arranged between ring flange 170 and rotary shaft 84, for reducing the width of inner core 130 radial vibration
Degree.The inner circumferential of rubber ring 60 is identical with the shape of the periphery of rotary shaft 84, radial dimension.That is, the inner circumferential of rubber ring 60
Periphery profiling with rotary shaft 84 matches, so that rubber ring 60 is close in rotary shaft 84, rotates together with rotary shaft 84.
Upper lower magnet and rubber ring 60 are combined to form organic whole by this utility model, not only can realize axial Vibrant buffer but also permissible
Realize the vibration constraint of radial direction, there is unexpected excellent damping effect.Rotary drum washing machine 100 of the present utility model, due to
It is provided with lower magnet and rubber ring 60, and the vibration in high speed dewatering reduces by more than 40%, and complete machine noise is improved substantially.
Rubber ring 60 can be made up of the elastomeric material with certain elasticity and preferable wearability.Such as rubber ring 60
Can be made up of ethylene propylene diene rubber (epdm).Rubber ring 60 may be designed to make its at least part of section omit in the thickness of radial direction
More than the gap between ring flange 170 and rotary shaft 84, thus by rubber ring 60 at least part of section filling ring flange 170 with
Gap between rotary shaft 84, is tightly held between rotary shaft 84 and ring flange 170, is relatively beneficial to ensure ring flange 170
Diametrically opposite position and rotary shaft 84 between is held essentially constant, and then reduces the amplitude of inner core 130 radial vibration.
In order to prevent rubber ring 60 slide downward, in the outwardly circle boss 842 of the radial outside of rotary shaft 84, rubber
Circle 60 overally supports on boss 842.
Fig. 3 is the schematic diagram of the rubber ring 60 in rotary drum washing machine 100 shown in Fig. 2；Fig. 4 is rubber shown in Fig. 3
The schematic cross sectional views of circle 60.Referring to Fig. 3 and Fig. 4, in certain embodiments, rubber ring 60 have on reduce portion 61 and be located at upper
Reduce portion 61 lower section and the lower cylindrical portion 62 for cylinder.The external diameter of lower cylindrical portion 62 is typically larger than the external diameter reducing portion 61.
Reduce portion 61 on wherein to be arranged between ring flange 170 and rotary shaft 84, to reduce the amplitude of inner core 130 radial vibration.Ability
Field technique personnel are easy to understand, are tightly held between rotary shaft 84 and ring flange 170 due to above reducing portion 61, rotary shaft 84
The twisting resistance producing when relatively rotating with ring flange 170 can wear and tear rubber ring 60 on reduce portion 61 and so that rubber ring 60 is deformed.
In this utility model, the structure design of lower cylindrical portion 62 then can increase the intensity of rubber ring 60, and rubber ring 60 is reduced or avoided
Deformation, reduction is reduced portion 61 thereon and is worn and torn.Further, can especially lower cylindrical portion 62 be designed to make it in radial inwardly direction
On be not subject to or only be subject to less pressure, thus increasing the intensity of rubber ring 60, rubber ring 60 be reduced or avoided and deform, reducing it
On reduce portion 61 and wear and tear.In order to further enhance the conformal effect of lower cylindrical portion 62, can open on the outer surface of lower cylindrical portion 62
It is provided with the helical groove 63 prolonging helix extension, or to offer at least two parallel at interval on the outer surface of lower cylindrical portion 62
Annular groove 63.In certain embodiments, the length of the helical groove 63 in lower cylindrical portion 62 can be at least about lower cylindrical portion 62 3
About week, to ensure that there is preferably conformal effect.
In embodiment shown in Fig. 1 to Fig. 4, above reduce the truncated cone shape that portion 61 is external diameter from up to down flaring, lower cylinder
Portion 62 is the cylinder extending downwardly from the bottom peripheral edge above reducing portion 61.The external diameter of lower cylindrical portion 62 and the bottom above reducing portion 61
Portion's external diameter is basically identical.On reduce portion 61 bottom external diameter be more than ring flange 170 through hole diameter.On reduce the top in portion 61
It is arranged between ring flange 170 and rotary shaft 84, and the lower edge of the through hole of ring flange 170 is pressed on the outer surface in the portion of reducing 61
On, so that, while reducing the amplitude of inner core 130 radial vibration, restriction ring flange 170 relatively rotates axle 84 and moves downward.Also
To say, the frusta-conical surface that ring flange 170 is above reduced portion 61 is blocked, thus limit ring flange 170 radial motion and
Move downward on vertical, decrease radial vibration and the axial vibration of ring flange 170.
Referring to Fig. 2, due to above reducing portion 61, there is certain elasticity, therefore the lower edge of the through hole of ring flange 170 can be inwardly " embedding
Enter " on reduce in portion 61.
In certain embodiments, above reduce the top in portion 61 external diameter may be slightly larger than ring flange 170 through hole diameter, with
Tight fit and ring flange 170 between, thus reducing the thickness in portion 61 on increasing, enhancing is reduced the anti-wear performance in portion 61.
In an alternative embodiment, the top outer diameter above reducing portion 61 also can be slightly less than the diameter of the through hole of ring flange 170,
In order to ring flange 170 is arranged in rotary shaft 84.
In this utility model embodiment, by arranging rubber ring 60, the radial constraint of inner core 130 can be increased, reduce
Its radial vibration.Move downward due to portion 61 being reduced on rubber ring 60 can limiting ring flange 170 and relatively rotate axle 84, thus
Also ensure that the relative distance between upper magnet 510 and lower magnet 520 is more stable, so that inner core 130 more stably supports
In outer tube 120.Additionally, for magnetic suspension washing machine, because inner core 130 passes through magnetic levitation in outer tube 120, thus whole
During machine is installed, more suitable installation site in rotary shaft 84 for the inner core 130 is not easy to determine.And it is new in this practicality
In type, move downward because rubber ring 60 can limit ring flange 170 and relatively rotates axle 84, thus the process in whole machine installation
In, the installation site of ring flange 170 can be limited by designing the position of boss 842 and rubber ring 60, and then facilitate inner core
130 installation.
In certain embodiments, upper magnet 510 is the upper permanent-magnetic clamp of the lower surface being fixed on ring flange 170, lower magnet 520
For being fixed on the diapire 120a inner surface of outer tube 120 and being centered around the lower permanent-magnetic clamp around the central axle hole of outer tube diapire 120a,
Inner core 130 is supported in outer tube 120 by the repulsion between upper permanent-magnetic clamp and lower permanent-magnetic clamp.The lower edge of the through hole of ring flange 170
It is pressed on the outer surface at the portion of reducing 61 middle part, above reduce portion 61 bottom and lower cylindrical portion 62 is arranged on the radial direction of permanent-magnetic clamp
Between the outer surface of inner surface and rotary shaft 84.It should be readily apparent to one skilled in the art that mentioned above " above reduce in portion 61
Portion " can be regarded as reducing portion 61 be in height the portion of reducing 61 2/1sts to three/3rd between section；
" above reducing portion 61 bottom " can be regarded as reducing portion 61 be in height the portion of reducing 61 lower 1/3rd section,
It is in the section of the lower section at the portion of reducing 61 middle part.
In certain embodiments, the external diameter of lower cylindrical portion 61 is essentially identical with the internal diameter of upper permanent-magnetic clamp, to ensure upper permanent magnetism
Ring and on reduce active force very little between the bottom in portion 61 and lower cylindrical portion 61, so can avoid reducing the bottom in portion 61 and
Lower cylindrical portion 61 is subject to the radial pressure from upper permanent-magnetic clamp, and leads to the intensity decreases of rubber ring 60 entirety.Lower cylindrical portion 61
On helical groove 63 length can be at least about lower 62 liang of weeks of cylindrical portion about.
In a further embodiment, the upper surface of boss 842 and the lower surface of upper permanent-magnetic clamp are substantially flush setting, thus
When installing inner core 130 and ring flange 170, can be protected further by the relative position relation between boss 842 and upper permanent-magnetic clamp
On card, permanent-magnetic clamp and the relative position of lower permanent-magnetic clamp, that is, ensure that inner core 130 is in suitable installation site in rotary shaft 84.
In certain embodiments, the outer surface of boss 842 can be substantially flush setting with the inner surface of upper permanent-magnetic clamp.
Fig. 5 is the schematic cross sectional views of the rotary drum washing machine 100 according to another embodiment of this utility model, and in figure is omitted
Casing；Fig. 6 is the enlarged diagram at b region shown in Fig. 5；Fig. 7 is the rubber ring 60 in rotary drum washing machine 100 shown in Fig. 6
Schematic diagram；Fig. 8 is the schematic cross sectional views of rubber ring 60 shown in Fig. 7.Referring to Fig. 5 to Fig. 8, another in this utility model
In some preferred embodiments, above reduce the cylinder that portion 61 is less than the external diameter of lower cylindrical portion 62 for external diameter, lower cylindrical portion 62 with
On reduce and pass through the truncated conical transitional portion 64 of an external diameter from up to down flaring between portion 61 and connect.On reduce the external diameter in portion 61 and be more than
The diameter of the through hole of ring flange 170, with interference fit between ring flange 170, thus on reduce portion 61 and pressed by ring flange 170
Tightly it is held on after compression deformation between ring flange 170 and rotary shaft 84, with same in the amplitude reducing inner core 130 radial vibration
When, restriction ring flange 170 relatively rotates axle 84 and moves downward.The length of the helical groove 63 in lower cylindrical portion 61 can at least about under
Cylindrical portion 62 3 weeks about.
In such embodiments, the lower edge of the through hole of ring flange 170 can be made further to be pressed on the top of transition part 64；
Transition part 64 and lower cylindrical portion 62 are arranged between the radially inner side surface of permanent-magnetic clamp and the outer surface of rotary shaft 84.Thus can
Inclined-plane further with transition part 64 limits ring flange 170 and relatively rotates axle 84 and move downward, and can be further ensured that upper magnet
Relative distance between 510 and lower magnet 520 is more stable, so that inner core 130 is more stably bearing in outer tube 120.
It will be understood by those skilled in the art that the rotary drum washing machine 100 involved by this utility model is including but not limited to only
There is the laundry facilities of washing drying functions, also include the device with other functions, for example, there are washing drying functions and do
The clothes washer/dryer of clothing function.
It should also be understood by those skilled in the art that " external diameter ", " internal diameter " alleged in this utility model embodiment should be managed respectively
Solve the overall diameter for corresponding component and interior diameter.
It should also be understood by those skilled in the art that alleged in this utility model embodiment " on ", D score, " top ", " bottom " etc.
Term for representing orientation or position relationship be on the basis of the real use state of rotary drum washing machine 100 for, these
Term is for only for ease of description and understands the technical solution of the utility model, rather than the device or not of instruction or hint indication
See must there is specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
So far, although those skilled in the art will appreciate that herein detailed illustrate and describe of the present utility model many
Individual exemplary embodiment, but, in the case of without departing from this utility model spirit and scope, still can be public according to this utility model
The content opened directly determines or derives other variations or modifications of many meeting this utility model principle.Therefore, this practicality is new
The scope of type is it is understood that and regard as covering other variations or modifications all these.
Claims (10)
1. a kind of rotary drum washing machine, comprising: outer tube；It is rotatablely arranged at the inner core in described outer tube, described inner core passes through magnetic
Power is supported in described outer tube；And the rotating mechanism for driving described inner core to rotate,
The bottom wall outer of wherein said inner core is provided with ring flange, and described ring flange has the rotary shaft being available for described rotating mechanism
It is arranged in through hole therein, described rotary shaft is joined with described flange dish type and is connected, so that described inner core is driven by described ring flange
Rotate,
It is characterized in that, described rotary drum washing machine also includes:
Rubber ring, it is set in described rotary shaft, described rubber ring have on reduce portion and be located at described on reduce below portion
And for cylindrical lower cylindrical portion, described on reduce portion and be arranged between described ring flange and described rotary shaft, described to reduce
The amplitude of inner core radial vibration.
2. rotary drum washing machine according to claim 1 it is characterised in that
The outwardly circle boss of radial outside of described rotary shaft, described rubber ring is supported on described boss.
3. rotary drum washing machine according to claim 2 it is characterised in that
The truncated cone shape that portion is external diameter from up to down flaring is reduced, described lower cylindrical portion is to reduce the bottom in portion from described on described
The cylinder that periphery extends downwardly, described on reduce portion bottom external diameter be more than described ring flange through hole diameter, wherein
The top reducing portion on described is arranged between described ring flange and described rotary shaft, and under the through hole of described ring flange
Edge is pressed on the outer surface reducing portion on described, described, while reducing the amplitude of described inner core radial vibration, to limit
The relatively described rotary shaft of ring flange moves downward.
4. rotary drum washing machine according to claim 3 is it is characterised in that also include:
It is fixed on the upper permanent-magnetic clamp of the lower surface of described ring flange, and be fixed on the diapire inner surface of described outer tube and be centered around
Lower permanent-magnetic clamp around the central axle hole of described outer tube diapire, described inner core pass through described upper permanent-magnetic clamp and described lower permanent-magnetic clamp it
Between magnetic supporting in described outer tube,
The lower edge of the through hole of wherein said ring flange is pressed on the outer surface reducing on described in the middle part of portion；
Reduce the bottom in portion on described and described lower cylindrical portion be arranged on the radially inner side surface of described upper permanent-magnetic clamp with described turn
Between the outer surface of moving axis.
5. rotary drum washing machine according to claim 3 it is characterised in that
Reduce on described portion for external diameter be less than described lower cylindrical portion external diameter cylinder, described lower cylindrical portion with described on reduce
Between portion pass through an external diameter from up to down flaring truncated conical transitional portion connect；
The diameter more than the through hole of described ring flange for the external diameter in portion is reduced, with interference fit between described ring flange on described.
6. rotary drum washing machine according to claim 5 is it is characterised in that also include:
It is fixed on the upper permanent-magnetic clamp of the lower surface of described ring flange, and be fixed on the diapire inner surface of described outer tube and be centered around
Lower permanent-magnetic clamp around the central axle hole of described outer tube diapire, described inner core pass through described upper permanent-magnetic clamp and described lower permanent-magnetic clamp it
Between magnetic supporting in described outer tube,
The lower edge of the through hole of wherein said ring flange is pressed on the top of described transition part；
Described transition part and described lower cylindrical portion are arranged on the radially inner side surface of described upper permanent-magnetic clamp and the outer of described rotary shaft
Between surface.
7. the rotary drum washing machine according to claim 4 or 6 it is characterised in that
The external diameter of described lower cylindrical portion is essentially identical with the internal diameter of described upper permanent-magnetic clamp.
8. rotary drum washing machine according to claim 7 it is characterised in that
The upper surface of described boss is substantially flush setting with the lower surface of described upper permanent-magnetic clamp.
9. rotary drum washing machine according to claim 1 it is characterised in that
The helical groove prolonging helix extension is offered on the outer surface of described lower cylindrical portion；Or
On the outer surface of described lower cylindrical portion, interval offers at least two parallel annular grooves.
10. rotary drum washing machine according to claim 1 it is characterised in that
The inner circumferential of described rubber ring is matched with the periphery profiling of described rotary shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695238.5U CN205907510U (en) | 2016-07-01 | 2016-07-01 | Rotary drum washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695238.5U CN205907510U (en) | 2016-07-01 | 2016-07-01 | Rotary drum washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205907510U true CN205907510U (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894199A (en) * | 2017-03-20 | 2017-06-27 | 青岛海尔智能技术研发有限公司 | A kind of magnetic suspension damping washing machine |
| CN107012660A (en) * | 2017-03-20 | 2017-08-04 | 青岛海尔智能技术研发有限公司 | Vibration-damping flange |
| CN107558105A (en) * | 2016-07-01 | 2018-01-09 | 青岛海尔智能技术研发有限公司 | Rotary drum washing machine |
-
2016
- 2016-07-01 CN CN201620695238.5U patent/CN205907510U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558105A (en) * | 2016-07-01 | 2018-01-09 | 青岛海尔智能技术研发有限公司 | Rotary drum washing machine |
| CN107558105B (en) * | 2016-07-01 | 2023-09-19 | 青岛海尔智能技术研发有限公司 | Pulsator washing machine |
| CN106894199A (en) * | 2017-03-20 | 2017-06-27 | 青岛海尔智能技术研发有限公司 | A kind of magnetic suspension damping washing machine |
| CN107012660A (en) * | 2017-03-20 | 2017-08-04 | 青岛海尔智能技术研发有限公司 | Vibration-damping flange |
| CN107012660B (en) * | 2017-03-20 | 2022-04-01 | 青岛海尔洗衣机有限公司 | Vibration damping flange |
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