CN104099744B - A kind of washing machine and its washing methods - Google Patents
A kind of washing machine and its washing methods Download PDFInfo
- Publication number
- CN104099744B CN104099744B CN201310128241.XA CN201310128241A CN104099744B CN 104099744 B CN104099744 B CN 104099744B CN 201310128241 A CN201310128241 A CN 201310128241A CN 104099744 B CN104099744 B CN 104099744B
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- China
- Prior art keywords
- impeller
- interior bucket
- washing machine
- bucket
- drive device
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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
- D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry
- D06F23/04—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and 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
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation 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
- D06F37/30—Driving arrangements
- D06F37/40—Driving arrangements for driving the receptacle and an agitator or impeller, e.g. alternatively
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
The invention discloses a kind of washing machine and its washing methods, washing machine includes outer barrel, the interior bucket in outer barrel and the impeller located at interior bucket bottom, outer barrel bottom is provided with the drive device for only driving interior bucket to rotate, impeller is at least one, impeller is rotatable to be arranged on bottom of the barrel, in washing process, bucket is alternately rotated forward and reversely rotated in drive device driving, and impeller is in free-running state；In dehydration, bucket is in one direction by low speed gradually to running at high speed in drive device driving, and now impeller is in free-running state.A kind of washing machine of the present invention only can set the drive device that bucket is rotated in driving in bottom of the barrel, save the devices such as clutch, reduce space between the inner barrel and outer barrel, increase scrubbing space, the energy is saved simultaneously, in combination with the washing methods of the application present invention, by increasing capacitance it is possible to increase the friction of clothing and inner barrel wall, the clean rate of clothing is improved.
Description
Technical field
The present invention relates to washing machine field, and in particular to the washing methods of a kind of washing machine and this washing machine.
Background technology
The structure of conventional washer be by interior bucket, outer barrel, agitating device (such as impeller), transmission system, control system and
Housing etc. is constituted.During laundry, interior bucket is not rotated, and agitating device makees both forward and reverse directions rotation, is driven inner bucket water and clothing to rotate and is realized
Washing.The washing methods passes through practice test, finds there are some defects：1st, only it is to produce water by agitating device rotation
Stream, washing form is single, cleans ratio and is difficult to improve.2nd, flow intensity is weak, and clothing is also easy to produce winding.In order to overcome drawbacks described above,
Some washing machine manufacturing enterprises design a kind of " turning barrel " washing machine, and its mode of washing is that interior bucket is in free state, stirring dress
When putting rotation, interior bucket rotates the reaction force produced by agitating device and rotated, and bucket is reversely rotated with agitating device in realization, from
And reach the purpose of " washboard ".But this method still suffers from deficiency, driven because interior bucket is unpowered, the rotation dynamics of interior bucket is small, and
Agitating device only bucket bottom surface rotating inside, less, it is unobvious that clean result is improved the effect of " washboard ", and still can not be very
The problem of good solution obligation is wound.In order to overcome drawbacks described above, a kind of washing machine of two-way washing is developed, the washing machine is
Interior bucket is configured with power drive mechanism, during washing, and interior bucket is rotated in the opposite direction with agitating device under the drive of power, with
The purpose for improving " washboard " effect is realized, but if still using existing interior bucket and impeller structure on the washing machine, is then shown
Specific aim it is not strong, because impeller is located at bottom of the barrel, streams are single, and flow intensity seems very not enough, it is difficult to formed
Roll current, and clean result is difficult to higher, and gap between interior bucket and impeller easily falls into foreign matter.
With the birth of two-power washing machine, above mentioned problem is readily solved, and traditional two-power washing machine is mostly using machinery
There is certain friction in formula clutch, mechanical clutch, there is frictional dissipation, there is the straight arrangement of clutch for driving washing machine in part in addition
It is electromagnetic clutch type, also has part washing machine to employ the mode of buoyancy clutch, interior bucket is suspended in outer barrel when entering water washing.With
The washing machine of upper several clutch modes, because of the limitation of its mechanical structure, can all take larger volume, and complicated, make
High price is expensive, fragile.Clutch is arranged between interior outer barrel, and the mechanical structure of big structure makes the space between interior outer barrel excessive,
Make the volume of the washing machine of identical washing amount excessive, meanwhile, frictional dissipation reduces the service life of washing machine.
Traditional pulsator washing machine, is mostly beaten using impeller rotational agitation current, rubs clothing, so as to realize washing
Function.Impeller is located at the bottom of whole washing machine, because of the limitation of structure, and impeller diameter is necessarily less than interior bucket, therefore it rotates shape
Into current and to rub action all smaller, it is impossible to obtain higher clean rate.And the washing machine of double dynamical mode is because of complexity
Slow down and clutch structure can take larger space again, cost is higher.
Accordingly, it would be desirable to which a kind of scrubbing space that can either save can improve the washing machine that clothing cleans rate again.
The content of the invention
It is an object of the invention to provide a kind of washing machine, only make interior bucket being rotated by drive device, impeller is in
Free state, the friction of increase clothing and inner barrel wall improves the clean rate of clothing.
It is a further object of the present invention to provide a kind of washing methods of washing machine, set and only drive in the bottom of the barrel of washing machine
The drive device that bucket is rotated in dynamic, saves the devices such as clutch, reduces space between the inner barrel and outer barrel, and increase washing is empty
Between, while saving the energy.
In order to achieve the above object, the technical solution adopted by the present invention is：A kind of washing machine, including outer barrel, located at outer barrel
Interior interior bucket and the impeller located at interior bucket bottom, outer barrel bottom are provided with the drive device for only driving interior bucket to rotate, described impeller
For at least one, impeller is rotatable to be arranged on bottom of the barrel.
Nei Tongdi centers are perforated provided with an impeller shafts, and impeller shafts one end is through the fixed impeller of impeller shafts perforation, and the other end is certainly
By being rotationally mounted to bottom of the barrel；Interior bucket axle is connected with drive device.
The bottom of the barrel is provided with an annular groove that Open Side Down, the inwall of annular groove around impeller shafts perforation and set
Internal tooth is equipped with, the interior bucket axle upper end sets and set and internal tooth phase on an open-topped toroidal cavity, the outer wall of toroidal cavity
The external tooth of cooperation, interior bucket axle is arranged on bottom of the barrel by what external tooth and internal tooth were interference fitted.
The interior bucket axle upper end of the interior bucket is provided with an open-topped toroidal cavity, outward opening bending extension formed with
The installation portion that interior bucket bottom is fixedly connected.
The impeller shafts are coaxially disposed with interior bucket, and the diameter of impeller shafts is less than the diameter of interior bucket axle upper end toroidal cavity, ripple
What wheel shaft was freely rotated is arranged in the toroidal cavity of interior bucket axle upper end, and the diameter of annular groove is more than the straight of impeller shafts perforation
Footpath, the diameter of toroidal cavity is more than the diameter of interior bucket main shaft.
The interior bucket bottom is coaxially wholely set an impeller shafts, and impeller is rotatable to be located on impeller shafts.
The impeller is 2 to 4, is evenly distributed on bottom of the barrel, and impeller shafts are integrally fixed with interior bucket bottom, and impeller can be free
What is rotated is located on impeller shafts.
The power output shaft of the drive device is connected with interior bucket axle, and described drive device is direct driving motor or belt
Wheel.
In washing process, bucket is alternately rotated forward and reversely rotated in drive device driving, and impeller is with current and clothing
Operating；In dehydration, bucket is in one direction by low speed gradually to running at high speed in drive device driving, and now impeller is in
Free state.
Inside in the alternation procedure of bucket forward and reverse rotation, impeller is counter-rotational with interior bucket due to being in for inertia short time
State；During dehydration, interior bucket drives clothing operating, now impeller free-running.
A kind of washing machine of the present invention, only can set the drive device that bucket is rotated in driving in bottom of the barrel, save
The devices such as clutch, reduce space between the inner barrel and outer barrel, increase scrubbing space, while save the energy, in combination with should
With the washing methods of the present invention, by increasing capacitance it is possible to increase the friction of clothing and inner barrel wall, the clean rate of clothing is improved.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of washing machine of the present invention；
Fig. 2 is a kind of scheme of installation of washing machine of the present invention；
Fig. 3 is the scheme of installation of another washing machine of the present invention；
Fig. 4 is a kind of washing machine structure scheme of installation of the present invention；
Fig. 5 is that a kind of washing machine of the present invention sets the bottom of the barrel overlooking the structure diagram of many impellers.
1st, attached piece 2 of interior bucket, impeller 3, interior bucket axle 5, impeller shafts 6, fixing bearing 7, drive device 8, sealing ring 9,
Interior bucket 10, outer barrel 11, impeller shafts transverse part 12, impeller shafts vertical portion 13, bearing 14, toroidal cavity 15, annular groove
Embodiment
A kind of washing machine of the present invention is described in detail below in conjunction with the accompanying drawings, as shown in figure 1, a kind of washing machine, bag
Outer barrel, the interior bucket in outer barrel and the impeller located at interior bucket bottom are included, outer barrel bottom is provided with the driving for only driving interior bucket to rotate
Device, impeller is rotatable to be arranged on bottom of the barrel.Impeller is at least one, and impeller shafts are wholely set with bottom of the barrel,
Impeller, which is arranged on impeller shafts, rotates freely setting, or interior bucket is perforated provided with impeller, and impeller shafts install impeller through perforation
In bottom of the barrel；Interior bucket axle is connected with drive device.Drive device 7 can be the direct driving motor or belt commonly used on washing machine
Wheel, the power output bearing of drive device 7 is connected with interior bucket axle 3, and bucket 9 is rotated in driving.The connection of drive device 7 and outer barrel
Place is provided with sealing ring 8.Attached piece 1 of the interior bucket of at least one friction and impact clothing is provided with the interior inwall of bucket 9, the interior bucket is attached
The surface of block 1 is arranged to smooth waveform or decorative pattern shape, the smooth of the edge that attached piece 1 of interior bucket.Impeller shafts 5 are in free-running
State.The fixing bearing 6 of drive device 7 is fixedly connected with outer barrel bottom.
As shown in Fig. 2 the interior bottom of bucket 9, which is provided with impeller shafts perforation, impeller shafts perforation, is provided with bearing 13, impeller shafts 5
For inverted T shaped shape, inverted T shaped impeller shafts transverse part is arranged on the interior lower section of bucket 9, and what inverted T shaped impeller shafts vertical portion 12 was freely rotated wears
It is located in the bearing 13 in impeller shafts perforation, is connected with impeller 2.
The interior bottom of bucket 9, which is provided with an annular groove 14, the inwall of annular groove 14, is provided with internal tooth, the interior top of bucket axle 3
There is the external tooth that setting is engaged with the internal tooth of annular groove on a toroidal cavity 15, the outer wall of toroidal cavity 15, interior bucket axle passes through
External tooth is arranged on bottom of the barrel with annular groove interference fit.
A toroidal cavity 15 is provided with the interior bucket axle 3 of bucket 9, the vertical wall of toroidal cavity 15 is to level in as shown in Figure 3
Direction, which is extended, is provided with screw in an annular mounting ring, mounting ring, bottom of the barrel is provided with and the screw in mounting ring
The mounting hole being engaged, bolt is extend into mounting hole through the screw in mounting ring, bucket bottom including interior bucket axle is fixedly connected
Portion.
The diameter of the inverted T shaped impeller shafts transverse part of impeller shafts is less than the diameter of the toroidal cavity 15 of interior bucket axle, the T of impeller shafts
What type impeller shafts transverse part was freely rotated is arranged in the toroidal cavity 15 of interior bucket axle upper end, and the diameter of annular groove 14 is more than impeller
The diameter of axle perforation.The diameter of interior bucket axle upper end toroidal cavity is more than the diameter of interior bucket main shaft.
When mounted, end and impeller of the impeller shafts of impeller 2 through the impeller shafts perforation impeller shafts vertical portion on interior bucket
It is connected, interior bucket axle is arranged in annular groove, and the main shaft lower end of interior bucket axle is connected with drive device 7, impeller 2 is in without dynamic
The free state of power, the power output shaft of drive device 7 is connected with interior bucket axle 3, after energization, bucket in 7 drivings of drive device
Rotate.The fixing axle of drive device 7 is connected with outer barrel bottom, and drive device 7 and outer barrel 10 are in relatively quiet in washing process
Only state.Sealing ring 8 is additionally provided with outer barrel 10, drive device and the junction leak of outer barrel 10 is prevented.
When impeller as shown in Figure 4 is one, impeller shafts are coaxially disposed with interior bucket, and impeller shafts pass through the ripple that bottom of the barrel is set
Wheel shaft, which is perforated, pin joint or to be connected to bottom of the barrel or impeller and is wholely set with interior bucket, and the diameter of impeller shafts is less than interior bucket axle top ring
The diameter of shape cavity, what impeller shafts were freely rotated is arranged in the toroidal cavity 15 of interior bucket axle upper end, and the diameter of annular groove is big
The diameter of toroidal cavity on the diameter perforated in impeller shafts, interior bucket axle is more than the diameter of interior bucket main shaft.
Interior bucket bottom is coaxially wholely set an impeller shafts, and impeller is rotatable to be located on impeller shafts.Impeller as shown in Figure 5
For 2-4, bottom of the barrel is evenly distributed on, impeller shafts are integrally fixed with interior bucket bottom, and impeller is rotatable to be located at impeller shafts
On.
In washing process, user is put the laundry into washing tube, i.e., in interior bucket 9, press after releasing the button, interior bucket water inlet,
After setting water level is reached, interior bucket starts to rotate under the driving of drive device 7, because the setting program of washing machine internal is interior
After bucket is rotated forward N seconds, invert N seconds, so increase clothing and the friction between inner barrel wall and impeller, and clothing, by increasing capacitance it is possible to increase clothing
The clean rate of thing.
A kind of washing machine of the present invention, in washing process, interior bucket 9 is rotated with the driving of drive device 7, is rotated forward
N seconds, during bucket is rotated forward inside, because impeller shafts are in free state, the interior bucket rotated forward was driving washings just
To rotation, while driving impeller 2 to start to rotate forward, drive device 7 changes bucket 9 in the direction of rotation of interior bucket 9, driving and reversely revolved
When turning, impeller 2 continues to rotate forward in the presence of inertia, is rotated forward now close to the washings of impeller with impeller, close
The washings of interior bucket are reversely rotated with interior bucket 9, are formed compared with mass-flow friction clothing, make the washing effect of washing machine formation " double dynamical "
Really.
In the interior rotary course of bucket 9, influenceed including washings in bucket by centrifugal force, clothing can be driven to be transported to inner barrel wall direction
It is dynamic, therefore inner barrel wall is the significant points of friction washing clothing.The washing machine of the present invention sets interior bucket attached piece 1 on inner barrel wall,
Clothing in washing process with attached piece of 1 phase mutual friction on inner barrel wall, increase clothing clean rate.In order to increase the friction of clothing
The outer surface of detergent factor, the upper setting waveform of attached piece of washing machine of the invention or pattern type, so, clothing is with washing water transport
With attached piece of further friction when dynamic, spot and dust and dirt on clothing etc. is removed.
During washings rotate with interior bucket 9, due to the influence of centrifugal force, close to the water level meeting of the washings of inner barrel wall
Rotation rise, during elevated, interior bucket can produce resistance to it for attached piece 1, and so, washings can top out, and do freedom
Falling bodies, fall into interior bucket, and this also generates the process of a beating to clothing, more adds the clean rate of clothing.
In a kind of washing methods of washing machine, washing process, bucket is alternately rotated forward and reversely in drive device driving
Rotation, impeller is in free-running state；In dehydration, in drive device driving bucket in one direction by low speed gradually extremely
Run at high speed, now impeller is in free-running state.
Inside in the alternation procedure of bucket forward and reverse rotation, due to the presence of inertia, being in for impeller short time is anti-with interior bucket
To the state of rotation；During dehydration, impeller is freely rotated as the same running speed of interior bucket.
In washing process, drive device 7 drives interior bucket 9 to rotate forward time N second, now, and impeller 2 is in free state,
Under the drive of washings, impeller 2 rotates in same direction with interior bucket 9；Drive device 7 drives interior bucket 9 to reversely rotate same time, impeller
2 still maintain former direction of rotation in the presence of inertia, and now the current of the water formation both direction in interior bucket 9 increase clothing
Rub and beat power；
In washing process, in the interior rotary course of bucket 9, clothing is rotated with the rotation of interior bucket 9 with washings, due to centrifugation
The presence of power, clothing can upwards be moved along inner barrel wall rotation, when clothing encounters attached piece 1 of the interior bucket that is set on interior bucket, with interior bucket
Wave-like or decorative pattern the shape friction set on attached piece 1, while stopping that clothing is continued up for attached piece 1 by interior bucket.
Embodiment in above-described embodiment is only that the preferred embodiments of the present invention are described, not to the present invention
Spirit and scope be defined, on the premise of design philosophy of the present invention is not departed from, professional and technical personnel in the art to this
The various changes and modifications that the technical scheme of invention is made, belong to protection scope of the present invention.
Claims (10)
1. a kind of washing machine, including outer barrel (10), the interior bucket (9) in outer barrel and the impeller (2) located at interior bucket bottom, its feature
It is：Outer barrel bottom is provided with only drive in the drive device (7) that rotates of bucket (9), described impeller (2) is at least one, ripple
Take turns (2) rotatable installed in interior bucket (9) bottom.
2. a kind of washing machine according to claim 1, it is characterised in that：Nei Tongdi centers are perforated provided with an impeller shafts, ripple
Wheel shaft one end is free rotatably mounted at bottom of the barrel through the fixed impeller of impeller shafts perforation, the other end；Interior bucket axle (3) and driving
Device (7) is connected.
3. a kind of washing machine according to claim 2, it is characterised in that：Perforated around impeller shafts interior bucket (9) bottom
Provided with an annular groove (15) that Open Side Down, internal tooth, interior bucket axle (3) upper end are provided with the inwall of annular groove (15)
The external tooth that setting is engaged with internal tooth on one open-topped toroidal cavity (14), the outer wall of toroidal cavity (14), interior bucket are set
Axle (3) is arranged on interior bucket (9) bottom by what external tooth and internal tooth were interference fitted.
4. a kind of washing machine according to claim 2, it is characterised in that：Interior bucket axle (3) upper end of the interior bucket (9) is set
There is an open-topped toroidal cavity (14), outward opening bending extension forms the installation portion being fixedly connected with interior bucket bottom.
5. a kind of washing machine according to claim 3, it is characterised in that：The impeller shafts are coaxially disposed with interior bucket, impeller
The diameter of axle is less than the diameter of interior bucket axle (3) upper end toroidal cavity (14), and what impeller shafts (5) were freely rotated is arranged on interior bucket axle
(3) in the toroidal cavity (14) of upper end, the diameter of annular groove (15) is more than the diameter that impeller shafts are perforated, toroidal cavity (14)
Diameter is more than the diameter of interior bucket main shaft.
6. a kind of washing machine according to claim 1, it is characterised in that：The interior bucket bottom is coaxially wholely set an impeller shafts
(5), impeller (2) is rotatable is located on impeller shafts (5).
7. a kind of washing machine according to claim 1, it is characterised in that：The impeller (2) is 2 to 4, is evenly distributed on
Interior bucket (9) bottom, impeller shafts (5) are integrally fixed with interior bucket bottom, and impeller is rotatable to be located on impeller shafts (5).
8. a kind of washing machine according to claim 1, it is characterised in that：The power output shaft of the drive device (7) with
Interior bucket axle (3) is connected, and described drive device (7) is direct driving motor or belt pulley.
9. a kind of washing methods of washing machine as described in any one of claim 1-8, it is characterised in that：Washing process
In, bucket (9) is alternately rotated forward and reversely rotated in drive device (7) driving, and impeller (2) is operated with current and clothing；
In dehydration, bucket is in one direction by low speed gradually to running at high speed in drive device driving, and now impeller is in free shape
State.
10. a kind of washing methods according to claim 9, it is characterised in that：The alternating of bucket (9) forward and reverse rotation inside
Cheng Zhong, impeller (2) is in and interior bucket (9) counter-rotational state due to the inertia short time；During dehydration, interior bucket drives clothing fortune
Turn, now impeller (2) free-running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310128241.XA CN104099744B (en) | 2013-04-12 | 2013-04-12 | A kind of washing machine and its washing methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310128241.XA CN104099744B (en) | 2013-04-12 | 2013-04-12 | A kind of washing machine and its washing methods |
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| Publication Number | Publication Date |
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| CN104099744A CN104099744A (en) | 2014-10-15 |
| CN104099744B true CN104099744B (en) | 2017-10-24 |
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| CN201310128241.XA Active CN104099744B (en) | 2013-04-12 | 2013-04-12 | A kind of washing machine and its washing methods |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109423829B (en) * | 2017-08-21 | 2021-12-17 | 青岛海尔洗涤电器有限公司 | Outer barrel of washing machine and assembly method of inner barrel and outer barrel of washing machine |
| CN110284295A (en) * | 2018-03-19 | 2019-09-27 | 青岛海尔洗衣机有限公司 | A kind of control method of the washing machine with self-cleaning filter |
| CN110453442B (en) * | 2018-05-07 | 2021-10-26 | 无锡小天鹅电器有限公司 | Pulsator washing machine and tub assembly thereof |
| CN111850982B (en) * | 2019-04-08 | 2022-10-11 | 青岛海尔洗衣机有限公司 | Washing machine control method and washing machine |
| CN111850967A (en) * | 2019-04-30 | 2020-10-30 | 青岛海尔股份有限公司 | Self-cleaning washing machine and control method thereof |
| CN112301654B (en) * | 2019-07-26 | 2024-05-24 | 青岛海尔洗衣机有限公司 | Washing machine |
| CN111101315A (en) * | 2020-01-16 | 2020-05-05 | 长虹美菱股份有限公司 | Pulsator washing machine with novel inner barrel assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2940221B2 (en) * | 1991-05-30 | 1999-08-25 | 松下電器産業株式会社 | Washing machine |
| JPH07299277A (en) * | 1994-05-10 | 1995-11-14 | Hitachi Ltd | Rotary wing for electric washing machine |
| KR0152146B1 (en) * | 1995-04-26 | 1999-05-01 | 김광호 | Agitation apparatus of a washing machine |
| CN1629386A (en) * | 2003-12-15 | 2005-06-22 | 廖林如 | Washing machine with double rotary drums |
| CN101498086B (en) * | 2008-02-01 | 2011-12-21 | 叶小舟 | vertical rolling washing machine and method thereof |
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Effective date of registration: 20160902 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Qingdao Haier Washing Machine Co., Ltd. |
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