CN105442255B - A kind of vertical axis washer - Google Patents
A kind of vertical axis washer Download PDFInfo
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- CN105442255B CN105442255B CN201610027028.3A CN201610027028A CN105442255B CN 105442255 B CN105442255 B CN 105442255B CN 201610027028 A CN201610027028 A CN 201610027028A CN 105442255 B CN105442255 B CN 105442255B
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- axis
- washing
- shaft
- washer
- vertical axis
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- 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
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The present invention relates to a kind of vertical axis washer, more particularly to a kind of new clutch coupling of washing machine.It is to vertical axis washer (number of patent application：201310158373.7) a kind of improvement.Since the rotating speed of the washing of drum type washing machine axis reaches more than 400 revs/min, half of rotating speed or so is exactly dehydrated, and can unidirectionally continuously run.As long as therefore motor can provide two kinds of rotating speeds that speed ratio is 2: 1, pass through and an one-way clutch (also known as unilateral bearing) is set between washing shaft and dehydrating shaft, it is possible to realize the transmission of two kinds of velocities of rotation.A kind of steering of motor corresponds to a kind of velocity of rotation of washing shaft；Another another velocity of rotation for turning to corresponding washing shaft of motor.Dehydrating shaft with washing shaft by the control of control system, be optionally connected.Pass through foregoing setting, it is desirable to as long as realizing this type of drive, being realized by using double-speed motor or variable-frequency motor.If two kinds of rotating speeds just rotational speed matches with washing machine of motor output, may be omitted with belt pulley and belt, can be driven in a manner of directly by axis connection.Structure will be more simple and reliable.
Description
Technical field
The present invention relates to a kind of washing machine, more particularly to a kind of new clutch coupling of washing machine.
Background technology
Existing vertical shaft type automatic washing machine, its washing and dehydration are all to provide power by same motor.By
Rotating speed when washing and dehydration falls far short, laundry function is smoothly worked, otherwise it is that the motor has and washing machine
The double speed function of matching；It is exactly to be slowed down by belt pulley and combine speed change clutch to realize.
For existing vertical axis washer, when washing, is all by the continuous rotating of impeller, drives clothing to revolve
The dynamic mode of transhipment is washed.In washing, dehydrating shaft, which must lock, does not rotate, it is therefore necessary to passes through clutch and braking
The cooperation of device could be realized.Enough torque is provided since forward and reverse rotating speed should be reached for, considers manufacture cost again not
Can be too high, existing vertical axis washer clutch and brake are linked to be an entirety.
The clutch of its clutch, be by controlling square bar helical spring, the holding to two mutual disjunct spindle noses
The change of power size, achieve the purpose that to control its clutch.Due to scribbling lubricating grease on spring, when the enclasping force of one end spindle nose weakens
When produce skidding so that two spindle noses separate；When the enclasping force at both ends is all strong, spring hold two spindle noses tightly at the same time, so as to close,
Rotate together.
This there is very big uncertainty：The torque that may be transmitted when lubricating grease is excessive is inadequate, still can skid, and turns
Speed can lower；When lubricating grease is very few and the phenomenon interfered with brake can be caused because mill is examined fever and held tightly.
This clutch mode, the waste for both having caused energy, there is also sometimes when should not moving to move；Should not the stopping time
Situation about stop.
It is the vertical axis washer of Patent No. 2013101583737, fast due to the existing washing machine of the rotating ratio of wash shaft
Much, and be unidirectional continuous high speed operate, if using existing structure, the above situation is easier to occur.Carry for this
A new clutch scheme is supplied.The side that clutch unclamps is closed when being braked while promoted to the program using brake scotch
Formula, separated effect are relatively good.But structure is complex, manufacture cost is higher；Install cumbersome.
The content of the invention
For insufficient existing for above-mentioned technology, the following new clutch scheme of present invention proposition.
Since the washing shaft rotating speed of new washing machine reaches more than 400 turns, half of rotating speed or so is exactly dehydrated, and
Can unidirectionally it continuously run.As long as therefore motor can provide two kinds of rotating speeds that speed ratio is 2: 1, pass through and an one-way clutch is set
(also known as unilateral bearing), it is possible to realize the transmission of two kinds of velocities of rotation.One kind that a kind of steering of motor corresponds to washing machine turns
Dynamic speed.Such as：It is low speed during rotating forward, for washing；It is at a high speed, for being dehydrated when rotating backward.By foregoing setting, think
As long as realize this type of drive, realized by using double-speed motor or variable-frequency motor.If motor output
Two kinds of rotating speeds just rotational speed matches with washing machine, may be omitted with belt pulley and belt, can directly pass through axis connection
Mode drives.Structure will be more simple and reliable.
The present invention is by steel ladle, washing tub, donut cross section, fork-shaped suspension holdfast, drives driving lever, dehydrating shaft, wash shaft,
Brake disc, clutch, power transmission mechanism etc. form, and power transmission mechanism therein, can be using double-speed motor, pass through skin
Belt wheel slows down and combines the type of drive of clutch；It can also be the mode directly driven using variable-frequency motor combination clutch.
Clutch therein is an one-way clutch, is installed in brake disc.It can be realized can close in a steering
On, separated purpose when turning to opposite.
Steel ladle is installed in supporting rack by rubber pad；Or hang on chassis shell.
Dehydrating shaft is hollow shaft, is protruded into from bottom inside steel ladle, can be rotated around own axes, pass through rubber seal ring
Sealed with steel ladle, prevent leak.
Fork-shaped suspension holdfast is installed in steel ladle, is fixed on the upper end of dehydrating shaft, is rotated synchronously with dehydrating shaft.
Donut cross section is equipped with four axle sleeves, and four axle sleeves are uniformly distributed on same circumference.Two wherein opposite axis
Set has a same axis, and the axis of two pairs of axle sleeves, both can be orthogonal at grade；Can also be spatially mutual
It is perpendicular.The axle sleeve of one pair of which coaxial line, by axis pin, the two bearings being connected at fork-shaped suspension holdfast port, annular
Crossed joint in itself can be around its axis oscillating.Donut cross section another pair coaxial line axle sleeve, the two bearings by axis pin and washing tub
Connection, washing tub can be around its axis oscillating.
Washing shaft is put in steel ladle through dehydrating shaft centre bore, by skeleton rubber sealant rubber ring with being dehydrated sealing,
Prevent leak.Can be for the relative rotation with dehydrating shaft.Its upper end connection driving driving lever, lower end are connected by driving mechanism with motor,
Power is provided by motor.
The shape of driving lever is driven similar to Chinese lute shape, wherein big one end is balance weight；One is equipped with rod-shaped end tiltedly
Hole, the axis of the inclined hole intersect with the axis of washing shaft, form appropriate inclination angle；And the hole is with driving the pivot of driving lever to have
Appropriately distance.
The overhanging swinging axle of bottom center of washing tub, its axis are overlapped with the axis of washing tub.The upper end of swinging axle
An entirety is formed by welding with laundry bottom of the barrel.
Skeleton rubber roller, can be around the axis of swinging axle by adjusting nut and thrust washer, the lower end for being installed on swinging axle
Line flexibly rotates.
Tin-copper-graphite bearing is equipped with skeleton rubber roller.
Skeleton rubber roller is put in the inclined hole of driving driving lever, by driving the driving of driving lever, driving washing tub to move, around
The axis of washing shaft is swung successively.
Brief description of the drawings
The characteristic of the present invention is further described below by drawings and examples；For non-characteristic only
Make simple description.
Attached drawing 1 is to use double-speed motor, by pulley drive, using fixed bearing rack mode, using commodity purchased
One embodiment of one-way clutch；Attached drawing 2 is another embodiment using the one-way clutch specially designed.Two embodiments
Only wherein a part of embodiment of the invention；Two embodiments are that clutch configuration varies slightly in combination, its
His parts are all identical.
Wherein Fig. 1 is the example structure figure using outsourcing one-way clutch；Fig. 2 is using the one-way clutch specially designed
The example structure figure of device.
Referring to attached drawing 1：
1) --- steel ladle, 2) --- fork-shaped suspension holdfast, 3) --- washing tub, 4) --- donut cross section,
5) --- one-way clutch, 6) --- bearing excessively covers, and 7) --- ball bearing, 8) --- brake disc,
Each parts in attached drawing 1 are further described below：
Steel ladle (1) be formed with stainless sheet steel punch welding, the Square barrel with Rouno Cormer Pregrinding Wheel；At the same time as outside cabinet
Shell is used.Bucket bottom is arranged at half waist；Skirt section under it is used for shield support rack.At two adjacent fillets of staving, it is equipped with
The crescent shaped tubular conduit of two up/down perforations, for installing the facilities such as water-supply-pipe and electric wiring.
Bottom press fitting of the rack corner equipped with rubber pad, steel ladle (1) is supported on the rubber pad of supporting rack, passes through spiral shell
Nail is connected with supporting rack.Its bottom center is equipped with the mounting hole of dehydrating shaft, passes through reinforced seal rubber ring and dehydration axis connection.
Dehydrating shaft can be rotated neatly.
Fork-shaped suspension holdfast<2>It is also u-shaped with stainless sheet steel, stamped molding U-shaped component, cross section.
Both ends on fork-shaped suspension holdfast, be respectively welded the installation set for being useful for mounting framework rubber shaft bearing, two axis
Holding installation set has same axis.
The skeleton rubber bearing installed on the bearing mounting sleeve, is skeleton rubber sealing ring, suit by two bowl-types
Formed on same tin-copper-graphite bearing；It is identical with the structure of skeleton rubber roller.
Riveting has a square hole connector being equipped with dehydrating shaft at bottom center, in the upper surface of square hole, equipped with one
The lock hole of a safety washer, by tightening nut and safety washer, is fixedly installed on dehydrating shaft, synchronous with dehydrating shaft to turn
It is dynamic.
Washing tub<3>It is the barrel-shaped component with stainless sheet steel by technological formings such as punching press, bulgings.
Bung hole is welded with the hollow ring of a sealing, is sealed by Luo Sai and sealant rubber ring.It is filled with ring suitable full
And brine, form balance ring.
Neighboring protrudes a series of longitudinal reinforcing ribs.The annular that section is U-shaped is welded with the middle part of neighboring to add
Qiang Huan.On the circumference of the annular reinforcing ring, the skeleton rubber bearing mounting sleeve equipped with a pair of of coaxial line, two bearings installation set
Axis and washing tub<3>Axis it is vertical and intersect.
Two skeleton rubber bearings pass through axis pin and donut cross section<4>Corresponding a pair of coaxial line axle sleeve connection, makes laundry
Bucket can be around its axis oscillating.
At the slot bottom of each reinforcing rib of bucket wall, a line osculum is machined with respectively.
Washing tub<3>Bottom inside, be machined with four mutually perpendicular reinforcing ribs, has a punching press in the intersection of reinforcing rib
The disk that goes out, swinging axle big one, be fitted in the inside, and is welded and fixed.
In bucket bottom center, be welded with a hollow stainless steel column.
Donut cross section<4>Matrix be to be bent with the stainless steel tube of rectangular cross-sectional and that sealing welding forms is hollow
Annulus, managing interior filling has suitable saturated brine, forms balance ring.Ring is equipped with the perfusing hole of brine, passes through plug screw and sealing
Washer sealing.
Four axle sleeves are welded with above ring, each axle sleeve is uniformly distributed on same circumference, two groups of coaxial lines of composition
Axle sleeve.The axis of two groups of axle sleeves is orthogonal, and vertical with the axis of annulus and intersect.
Each axle sleeve has part rank to enter in steel pipe, is welded and fixed with convenient, and plays throttling action.
There is a rib-loop hole on each axle sleeve, be used as tightening axis pin.Each axle sleeve and annulus sealing welding, anti-leak-stopping
Water.One of which axle sleeve, pass through axis pin and fork-shaped suspension holdfast<2>Connection, crossed joint in itself can be around the axis pin axis oscillating.
Another group of axle sleeve passes through axis pin and washing tub<3>Skeleton rubber bearing connection, washing tub<3>Can be around the axis pin
Axis oscillating.
One-way clutch (5) is commodity purchased, and brake disc (7) and excessively, set (6) interconnects for it, makes excessively
Set optionally can transmit torque to brake disc.
Excessively set<6>It is an axle sleeve with trimming circular hole, there is a step among the cylindrical surface of excircle, the outside cylinder
There is same axis in face with trimming circular hole；One-way clutch and ball bearing are respectively arranged in the both sides of the cylindrical surface step.
Ball bearing (7) is outsourcing piece.
Brake disc (8) is the disk that one end carries square hole, and one end of the hole and dehydrating shaft is linked to be one by hot investment casting
Body.The outer shroud of one-way clutch is installed in the plate-like hole of brake disc (8) other end.
Attached drawing 2 is that the inner ring of one-way clutch is combined together with excessively set, outer shroud and braking one-way clutch
One embodiment that disk is combined together, is simply merged and is simplified to relevant clutch structure, remaining parts is and
One embodiment is identical.
Referring to attached drawing 2：
9) --- excessively cover combination, 10) --- ball bearing, 11) --- roller, 12) --- brake disc combination,
13) --- roller shading ring.
Excessively set combination --- (9) are step columns broad in the middle small in ends, the column surrounding in step upper end
Four roller installation holes are uniformly arranged, spring mounting groove are equipped with cave, for installing spring.The column of lower end, for installing
Ball bearing (10)；There is a hole of trimming circle at the combination center, and the column of the hole and outside has same axis.
Ball bearing is outsourcing piece.
Roller (11) is step column broad in the middle small in ends.
Brake disc (12) is the disk that one end carries square hole, and one end of the disk and dehydrating shaft is linked to be by hot investment casting
One.Bowl-shape circular hole is equipped with the other end of brake disc, as the overcoat of one-way clutch and the raceway of roller.
Roller shading ring --- (13) are a thin wall circulars, and surrounding is evenly distributed with four rectangular holes, for fixed
Each roller (11) in position.
Specific embodiment
The installation relation and action process of first embodiment are further described below：
Referring to attached drawing 1, two bowl-shape skeleton rubber sealing rings are set in same bronze-graphite in opposite directions respectively first
On bearing, each overall skeleton rubber bearing is formed.
The skeleton rubber bearing assembled is installed on fork-shaped suspension holdfast again<2>The corresponding mounting hole in.
Then donut cross section<4>Pass through axis pin and fork-shaped suspension holdfast<2>Link together；And with holding screw handle
Axis pin fastens；Make donut cross section<4>Can be neatly around the axis oscillating of the axis pin.
Skeleton rubber bearing is installed in two mounting holes of washing tub (3).
The suitable saturated brine of perfusion in the balance ring on washing tub (3) top, and it is close with plug screw and seal washer fastening
Envelope.
Equally, again two bowl-shape skeleton rubber ring sets on same tin-copper-graphite bearing, one is formed
Overall skeleton rubber roller；Then with ring washer and regulating nut skeleton rubber roller, be positioned at washing tub (3) bottom and swing
On the corresponding position of axis, skeleton rubber roller is made neatly to rotate.
Again two tin-copper-graphite bearings and skeleton rubber sealing ring, the corresponding vestibule for being respectively arranged in dehydration shaft end
It is interior.
Brake scotch is set on the braking surface of brake disc (8)；One-way clutch (5) is put into the installation of brake disc (8)
Kong Li.
And washing shaft is put into the tin-copper-graphite bearing hole of dehydrating shaft；And installation ball bearing is packed into from its upper end
Upper branching holder plate, then ball bearing (7) is installed on the relevant position of upper branching holder plate, and covered above ball bearing (7)
Skeleton rubber sealing ring is put into, then upper branching holder plate is fixed on the corresponding position of supporting rack with bolt.
Another ball bearing (7) is assemblied in the lower end of bearing transition sleeve (6), makes the trimming circular hole of transition sleeve pack into laundry
The relevant position of axis, while the other end of the transition sleeve is assemblied in the endoporus of one-way clutch (5).
Stop swing arm and tripping spring are installed on the column of lower support seat board, plus ring washer, put on anticreep iron wire, and
Tripping spring foot in stop swing arm is located in position.
Then lower bearing support sleeve-board outside ball bearing (7), lower support seat board is fixed on supporting by blending bolt
On the corresponding position of rack.
The trimming circular hole set of belt pulley is put on the trimming cylinder of washing shaft again, and with ring washer and crown nut belt
Wheel is fixed, then injects split pin with anti-loose.
Rubber pad is loaded onto in the corner of supporting rack, steel ladle (1) press fitting on the rubber pad of supporting rack, order is dehydrated
Axis and the sub-assembly of washing shaft integrally put in the mounting hole among steel ladle (1) bottom, allow the mounting hole protuberance be pressed into
In the groove of skeleton rubber sealing ring, leak is prevented, and be screwed.
Fork-shaped suspension holdfast<2>With donut cross section<4>The sub-assembly of composition, put into steel ladle (1) together, allows fork
Shape suspension holdfast<2>On square mounting hole, be set in the square column body position of dehydrating shaft upper end, then by safety washer and
Clamping nut is fixed.And clamping nut is locked with safety washer.Above stated assembly is set to be joined together with dehydrating shaft.
Spline position driving driving lever being set in washing shaft, plus safety washer, is fastened with clamping nut：And pressure
Tight nut locking.
Washing tub (3) is put into steel ladle, the skeleton rubber roller allowed on the swinging axle of washing tub (3) bucket bottom injects driving
In the inclined hole of driving lever.Again axis pin from the inside of washing tub, be separately inserted in the hole of two skeleton rubber bearings, and adjust washing tub
Position, make bearing hole and donut cross section<4) axis of corresponding axle sleeve is consistent on, allows axis pin smoothly to put in the axis well
In the hole of set.The position of axis pin is adjusted, then holding screw tightening is used on two axle sleeves, and is locked with jam nut.
The installation relation of second embodiment one-way clutch part is further described below, the peace of remaining parts
Dress relation is identical with first embodiment：
Put into after roller (11) is coated lubricating grease first in each square hole of roller shading ring (13), it is then that they are whole
Body is packed into each installation hole excessively on set combination (9)；And spring is put into corresponding groove.
Ball bearing (10) is excessively being put on the lower end column of set combination (9) again, then under they integrally threading
Support the installing positions of bearings of seat board.
Then the trimming circular hole at end where roller (11) and roller shading ring (13) is allowed to pack into washing shaft, protrude into braking again
In the respective aperture of disk (12), then lower support seat board be screwed in supporting rack on.
And belt pulley is installed in washing shaft, and fastened with packing ring and crown nut, then locked with split pin.
So far one-way clutch assembling is completed.
Double-speed motor is installed on the relevant position of supporting rack, and hangs up driving belt over pulleys carried.
At this moment the whole kinematic system of washing machine, which has been assembled, finishes.
When double-speed motor is powered, low speed rotates forward, washing shaft is driven to rotate by the transmission of belt and belt pulley, so as to drive
Dynamic driving lever also rotates synchronously, and drives skeleton rubber roller around the axial-movement of washing shaft；Washing tub is thus driven by swinging axle
(3) move.
At this moment since the effect of tripping spring, stop swing arm lock brake scotch, so that brake disc 8) braking.Therefore pacify
Fork-shaped suspension holdfast on dehydrating shaft<2>Also it is braked, will not rotates.Because there is donut cross section<4>Presence, force
Washing tub (3) is swung successively around the axis of washing shaft.Achieve the purpose that to wash clothing.
When double-speed motor is at a high speed and when reversely rotating, works since electromagnet is powered, pull stop swing arm to leave braking
Watt, release brake disc (8), while one-way clutch works, and is closed with washing shaft；Washing shaft is together rotated with dehydrating shaft, high
Speed operation.It is dehydrated.Complete whole washing process.
In the above-described embodiments, the vertical shaft type due to the motion mode of washing tub, with Patent No. 201310158373.7
The motion mode of washing machine is identical, and the effect of washing is same.
Because simplify driving structure；Lower the rotating speed of skeleton rubber roller；So as to reduce the abrasion of tin-copper-graphite bearing；
Improve the service life of complete machine.
Claims (6)
1. a kind of vertical axis washer, including：Chassis shell, the steel ladle being located in chassis shell；The washing tub being located in steel ladle；
Enter the cylinder type hollow dehydrating shaft in bucket through steel ladle；Enter the washing shaft in steel ladle through dehydrating shaft endoporus；Driving
The rotating motor of washing shaft and clutch pack；According to clutch pack described in the signal manipulation of control system, optionally
To the rotating torque of dehydrating shaft transmission washing shaft；
The fork-shaped suspension holdfast being located in steel ladle, the fork-shaped suspension holdfast are fixedly installed in the upper end of dehydrating shaft；
Donut cross section with hollow seal annulus, is perfused with suitable saturated brine in the sealed circular ring, in institute
Into four axle sleeves are circumferentially evenly equipped with the donut cross section stated, wherein two opposite axle sleeves have same axis, the axis
Axis of the axis of set with the donut cross section intersects, and the donut cross section is installed on the axis of fork-shaped suspension holdfast
Hold, can be around the axis oscillating of the bearing；
With washing tub, a pair of bearings is equipped with the washing barrel wall, the bearing has same axis, the axis and institute
It is vertical and intersect to state washing tub axis, the washing tub is hung on one group of axle sleeve of donut cross section by axis pin, can be around
Axis pin axis oscillating, the laundry bottom of the barrel are welded with a swinging axle, and the swinging axle has same axis with washing tub；
With skeleton rubber roller, a tin-copper-graphite bearing is installed inside the skeleton rubber roller；
Driving driving lever with Chinese lute shape, the driving driving lever are fixedly installed in the upper end of washing shaft, the driving driving lever
Rod-shaped one end is equipped with inclined hole, and the swinging axle for bottom of the barrel of doing washing together is put in together with skeleton rubber roller in the inclined hole, described
Skeleton rubber roller can rotate in inclined hole, and the driving driving lever can drive washing tub around washing shaft by skeleton rubber roller
Axis swung successively in the range of 360 degree；
The clutch of the vertical axis washer is one-way clutch.
2. vertical axis washer as claimed in claim 1, it is characterized in that skeleton rubber Bearing inner is equipped with tin-copper-graphite bearing.
3. vertical axis washer as claimed in claim 1, it is characterized in that the one-way clutch is the individual components of outsourcing.
4. vertical axis washer as claimed in claim 1, it is characterized in that the one-way clutch is an assembly, by braking
Disk, roller, roller shading ring, spring and excessive set are composed.
5. vertical axis washer as claimed in claim 1, it is characterized in that washing tub top is equipped with balance ring.
6. vertical axis washer as claimed in claim 1, it is characterized in that steel ladle is also casing at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027028.3A CN105442255B (en) | 2016-01-11 | 2016-01-11 | A kind of vertical axis washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027028.3A CN105442255B (en) | 2016-01-11 | 2016-01-11 | A kind of vertical axis washer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105442255A CN105442255A (en) | 2016-03-30 |
| CN105442255B true CN105442255B (en) | 2018-04-13 |
Family
ID=55552860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610027028.3A Active CN105442255B (en) | 2016-01-11 | 2016-01-11 | A kind of vertical axis washer |
Country Status (1)
| Country | Link |
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| CN (1) | CN105442255B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106917236A (en) * | 2016-08-01 | 2017-07-04 | 陈锦华 | A kind of washing machine of use single-phase pole-changing double-speed motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02297399A (en) * | 1989-03-27 | 1990-12-07 | Hitachi Ltd | Dryer and washer combinedly used as dryer |
| US5460018A (en) * | 1994-02-22 | 1995-10-24 | Whirlpool Corporation | Vertical axis washer |
| CN2856099Y (en) * | 2005-11-09 | 2007-01-10 | 崔美娟 | Swinging washing machine |
| CN101586624B (en) * | 2008-05-20 | 2010-09-15 | 温州人本轴承有限公司 | Light unidirectional bearing for washing machine clutch |
| CN104120582B (en) * | 2013-04-27 | 2016-06-29 | 陈锦华 | Vertical axis washer |
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2016
- 2016-01-11 CN CN201610027028.3A patent/CN105442255B/en active Active
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| CN105442255A (en) | 2016-03-30 |
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