CN106283511B - Washing machine cover body opening and closing structure and washing machine - Google Patents
Washing machine cover body opening and closing structure and washing machine Download PDFInfo
- Publication number
- CN106283511B CN106283511B CN201510268298.9A CN201510268298A CN106283511B CN 106283511 B CN106283511 B CN 106283511B CN 201510268298 A CN201510268298 A CN 201510268298A CN 106283511 B CN106283511 B CN 106283511B
- Authority
- CN
- China
- Prior art keywords
- cover body
- sliding groove
- base
- washing machine
- supporting piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005406 washing Methods 0.000 title claims abstract description 29
- 230000007306 turnover Effects 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 abstract description 5
- 238000006297 dehydration reaction Methods 0.000 abstract description 5
- 238000013016 damping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/14—Doors or covers; Securing means therefor
-
- 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
- D06F37/26—Casings; Tubs
- D06F37/28—Doors; Security means therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
- E05Y2900/312—Application of doors, windows, wings or fittings thereof for domestic appliances for washing machines or laundry dryers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention relates to a cover body opening and closing structure of a washing machine and the washing machine, wherein the cover body opening and closing structure comprises a cover body, a base and a control device, a turnover shaft of the cover body is arranged on the base, the control device comprises a sliding groove and an elastic supporting piece, the sliding groove is arranged on the turnover shaft of the cover body along the rotation direction, the lower end of the elastic supporting piece is arranged on the base, the upper end of the elastic supporting piece is supported in the sliding groove in a sliding manner, a limiting groove is arranged in the sliding groove, and the elastic supporting piece slides into the limiting groove to prevent the cover body from being automatically closed after being opened. When the cover body is completely closed, the cover body is in a stable clamping state, the cover body can be opened only by applying a little force, and the noise generated by collision between the cover body and the base due to vibration of the washing machine during dehydration can be avoided. When the cover body is completely opened, the cover body is in a stable clamping state, the cover body cannot be easily closed, a user can conveniently take and place clothes, and impact and collision caused by automatic closing of the cover body on the base can be avoided.
Description
Technical Field
The invention relates to the field of washing machines, in particular to a washing machine cover body opening and closing structure and a washing machine.
Background
Most of washing machines with covers in the market at present adopt a mode of controlling the angle between the opened cover and the horizontal direction to be larger than 90 degrees, and the cover is in an upright state after being opened by designing the gravity center position of the opened cover. In the mode, the cover body is very easy to automatically close after being opened, and the clothes are inconvenient to take;
200910118744.2A washing machine cover structure capable of opening and closing smoothly without generating impact sound when opening and closing comprises a freely openable cover disposed above a top cover on the upper part of the washing machine body; a toggle spring whose force can be switched in the opening or closing direction of the lid; and a rotary type buffer damper for damping the rotation of the cover. The cushion damper is rotatably and slidably provided in the damper holder, and a free rotation range of a predetermined angle is provided between the damper holder and the cushion damper in a rotation direction. In the initial stage of the opening operation and the closing operation of the cover, the damping force of the buffer damper does not act on the rotation of the cover due to the existence of the free rotation range, so that in the initial stage of the opening operation of the cover, a user can carry out the opening and closing operation only by the force capable of resisting the loads such as the toggle spring, the self weight of the cover and the like, the opening and closing operation is very convenient, but the problem that the cover is very easy to automatically close after being opened cannot be solved.
The invention is therefore set forth in this light.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a cover body opening and closing structure of a washing machine and the washing machine.
In order to realize the purpose, the invention adopts the following technical scheme: the utility model provides a washing machine lid structure that opens and shuts, the lid structure that opens and shuts includes lid, base and controlling means, the trip shaft of lid is installed on the base, controlling means includes spout and elastic support piece, and the spout sets up along the direction of rotation on the trip shaft of lid, and the elastic support piece lower extreme is installed on the base, and upper end slidable supports in the spout, is equipped with a spacing groove in the spout, and elastic support piece slips into the spacing groove in order to prevent the automatic closure after the lid is opened.
The resilient support includes a rigid ball supported on a spring supported within a slide slot and a spring supported on a base.
The spring is in a pre-compressed state.
The base is equipped with elastic support's mounting hole towards the position department of trip shaft, elastic support's one end sets up in this mounting hole, and the other end is towards the trip shaft and is supported in the spout.
The cover body is completely closed to the maximum angle of the cover body, at least the turnover shaft is provided with a sliding groove in the range passing through the elastic supporting piece, and the sliding groove is a smooth guide rail sunken into the turnover shaft.
The cover body is turned to the maximum angle, and the position of the sliding groove, which is opposite to the elastic supporting piece, is provided with a first limiting groove.
When the cover body is completely closed, a second limiting groove is formed in the position, opposite to the elastic supporting piece, of the sliding groove.
The limiting groove is a pit which is sunken towards the inside of the turnover shaft and corresponds to the rigid ball, and the pit and the sliding groove are in smooth transition.
The turnover mechanism is characterized in that a damper buffer structure is further arranged in the turnover shaft, a magnet/iron sheet is arranged at the foremost end of the cover body, and an iron sheet/magnet is arranged at the corresponding position of the base.
A washing machine with the cover body opening and closing structure.
After the technical scheme of the invention is adopted, the following beneficial effects are brought:
when the cover body is completely closed, the cover body is in a stable clamping state, the cover body can be opened only by applying a little force, and the noise generated by collision between the cover body and the base due to vibration of the washing machine during dehydration can be avoided. When the cover body is completely opened, the cover body is in a stable clamping state, the cover body cannot be easily closed, a user can conveniently take and place clothes, and impact and collision caused by automatic closing of the cover body on the base can be avoided.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
FIG. 1: connection diagram of cover body structure
FIG. 2: cover structure explosion diagram of the invention
FIG. 3: enlarged view at A of FIG. 2
Wherein: 1. the damping device comprises a sliding groove, 2, an elastic supporting piece, 3, a cover body, 4, a base, 5, a limiting groove, 6, a rigid ball, 7, a spring, 8, a mounting hole, 9, a damping buffer structure, 10, a magnet, 11, an iron sheet, 12 and a turnover shaft.
Detailed Description
At present, the angle between the opened cover body of most washing machines and the horizontal direction is controlled to be equal to or slightly larger than 90 degrees, the cover body is in an upright state after being opened by controlling the gravity center position, the cover body is very easy to be automatically closed in the mode, the cover body is closed to impact a base to generate noise, and clothes are not convenient to take.
The invention relates to a cover body opening and closing structure of a washing machine, which comprises a cover body, a base and a control device, wherein a turnover shaft 12 of the cover body 3 is arranged on the base 4, the control device comprises a sliding chute 1 and an elastic supporting piece 2, the sliding chute 1 is arranged on the turnover shaft 12 of the cover body along the rotating direction, the lower end of the elastic supporting piece 2 is arranged on the base 4, the upper end of the elastic supporting piece is supported in the sliding chute 1 in a sliding manner, a limiting groove 5 is arranged in the sliding chute 1, and the elastic supporting piece 2 slides into the limiting groove 5 to prevent the cover body 3 from being automatically closed after being opened. When the lid 3 was opened, elastic support piece 2 slided in spout 1, and when lid 3 was opened to the maximum angle, elastic support piece 2 bounced into spacing groove 5 and supported in spacing groove 5, prevented the free closure of lid 3.
The resilient support 2 comprises a rigid ball 6 and a spring 7, the rigid ball 6 being supported at one end on the spring 7, the other end of the rigid ball 6 being supported in the chute 1, the spring 7 being supported on the base 4. The rigid ball 6 is supported by the spring 7 to abut against the chute 1, the spring 7 is in a compressed state at the moment, when the cover body is opened to a maximum angle, the rigid ball 6 abuts against the limiting groove 5 under the support of the spring 7, and the spring 7 is in a compressed state at the moment.
The base 4 is provided with a mounting hole 8 of the elastic support 2 at a position facing the turning shaft 12, one end of the elastic support 2 is arranged in the mounting hole 8, and the other end faces the turning shaft 12 and is supported in the chute 1. Most of the spring 7 and the rigid ball 6 are located in the mounting hole 8, and a part of the rigid ball 6 is exposed out of the mounting hole 8 and the sliding chute 1 or the limiting groove 5.
The cover body 3 is completely closed to enable the cover body 3 to be turned to the maximum angle, at least a sliding groove 1 is formed in the range of the turning shaft 12 passing through the elastic supporting piece 2, and the sliding groove 1 is a smooth guide rail sunken into the turning shaft 12. Spout 1 can set up a week on trip shaft 12 along the direction of rotation, but spout 1 that plays is the lid complete closure to lid upset to the maximum angle, trip shaft 12 through elastic support piece 2's scope, so the lid complete closure to lid upset to the maximum angle, at least the trip shaft sets up spout 1 through elastic support piece's within range, spout 1 is the sunken smooth guide rail in to the trip shaft, guarantees that rigidity ball 6 slides in spout 1.
The cover body 3 is turned to the maximum angle, and the position of the sliding groove 1, which is just opposite to the elastic supporting piece 2, is provided with a first limiting groove. When the cover body is turned to the maximum angle, the rigid ball of the elastic support piece 2 just bounces into the first limiting groove to stop the cover body at the position, so that the cover body is in a stable clamping state when being completely opened and cannot be freely closed. The convenience of the user can take and place clothes, and the impact and collision caused by the automatic closing of the cover body on the base can be avoided.
When the cover body is completely closed, a second limit groove is arranged at the position, opposite to the elastic supporting piece 2, of the sliding groove 1. When the cover body is completely closed, the rigid ball 6 of the elastic support piece 2 just bounces into the second limiting groove to stop the cover body at the position, so that the cover body is in a stable clamping state when the cover body is completely closed, the cover body can be opened only by applying a little force, and the noise caused by collision between the cover body and the base due to vibration of the washing machine during dehydration can be avoided.
The limiting groove 5 is a concave pit which is concave towards the inner part of the turnover shaft 12 and corresponds to the rigid ball, and the concave pit and the sliding groove are in smooth transition. Ensure the smooth transition of the rigid ball in the limit groove and the sliding groove without generating too large vibration.
A damper buffer structure 9 is also arranged in the turnover shaft 12, so that the cover body is ensured to generate a buffer effect in the closing process, and noise is avoided; the foremost end of lid is equipped with magnet/iron sheet, and under the effect of magnetism magnetic force, the lid can be fine fixed to the base like this, need just can open the lid hard slightly, and washing machine vibrations cause the collision production noise between lid and the base when can avoiding the dehydration.
The working principle of the positioning structure of the cover body is as follows: the spring 7 is arranged in the mounting hole 8 on the base 4, the rigid ball 6 is arranged on the chute 1 below the cover body 3 and is arranged on the base 4 together with the cover body, and then the rigid ball 6 is arranged on the spring 7 at the same time, so that the spring 7 is in a compression state when the cover body is in a closed state, the rigid ball 6 is arranged in the chute 1 or in the second limit groove, and the rigid ball slides along the slide rail below the cover body when the cover body is opened.
In the invention, the damper buffer structure 9 is arranged in the turnover shaft 12 of the cover body, thus ensuring that the cover body 3 can generate buffer action in the closing process and not causing noise; the magnet 10 is mounted to the cover and the iron plate 11 is mounted to the base 4 so that the cover 3 is well secured to the base 4 by the magnetic force.
The structure is characterized in that: the structure of the spring, the rigid ball and the rigid ball sliding groove is adopted to solve the problems that after the cover body of the washing machine is opened, the cover body is very easy to close automatically and is inconvenient for taking clothes.
The invention provides a washing machine with the cover body opening and closing structure. When the cover body is completely closed, the cover body is in a stable clamping state, the cover body can be opened only by applying a little force, and the noise generated by collision between the cover body and the base due to vibration of the washing machine during dehydration can be avoided. When the cover body is completely opened, the cover body is in a stable clamping state, the cover body cannot be easily closed, a user can conveniently take and place clothes, and impact and collision caused by automatic closing of the cover body on the base can be avoided.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a washing machine lid structure that opens and shuts, the lid structure that opens and shuts includes lid, base and controlling means, the trip shaft of lid is installed on the base, its characterized in that: the control device comprises a sliding groove and an elastic supporting piece, the sliding groove is arranged on the turnover shaft of the cover body along the rotation direction, the lower end of the elastic supporting piece is arranged on the base, the upper end of the elastic supporting piece is supported in the sliding groove in a sliding manner, a first limiting groove is arranged in the sliding groove, and the elastic supporting piece slides into the first limiting groove to prevent the cover body from being automatically closed after being opened; the elastic support comprises a rigid ball and a spring, the rigid ball is supported on the spring, the rigid ball is supported in the sliding groove, and the spring is supported on the base; the rigid ball is supported by the spring and abuts against the sliding groove, when the cover body is opened to the maximum angle, the rigid ball abuts against the first limiting groove under the support of the spring, and the spring is in a compressed state at the moment; the cover body is turned to the maximum angle, and a first limiting groove is formed in the position, opposite to the elastic supporting piece, of the sliding groove; the first limiting groove is a pit which is sunken towards the inside of the turnover shaft and corresponds to the rigid ball, the pit is in smooth transition with the sliding groove, the cover body is completely closed until the cover body is turned to the maximum angle, the sliding groove is arranged in the range of at least the turnover shaft passing through the elastic supporting piece, and the sliding groove is a smooth guide rail sunken towards the interior of the turnover shaft; the chute and the end part of the turnover shaft are separated by a certain distance; when the cover body is completely closed, a second limiting groove is formed in the position, opposite to the elastic supporting piece, of the sliding groove.
2. A washing machine cover opening and closing structure according to claim 1, characterized in that: the foremost end of lid is equipped with magnet, the corresponding position of base is equipped with the iron sheet.
3. A washing machine cover opening and closing structure according to claim 1, characterized in that: the most front end of the cover body is provided with an iron sheet, and the corresponding position of the base is provided with a magnet.
4. A washing machine having the cover opening and closing structure of any one of claims 1 to 3.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510268298.9A CN106283511B (en) | 2015-05-22 | 2015-05-22 | Washing machine cover body opening and closing structure and washing machine |
| KR1020177036962A KR20180006983A (en) | 2015-05-22 | 2016-04-15 | Washing machine cover opening and closing structure and washing machine |
| PCT/CN2016/079408 WO2016188264A1 (en) | 2015-05-22 | 2016-04-15 | Open lid/closed lid structure of washing machine and washing machine |
| EP16799153.8A EP3299510A4 (en) | 2015-05-22 | 2016-04-15 | Open lid/closed lid structure of washing machine and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510268298.9A CN106283511B (en) | 2015-05-22 | 2015-05-22 | Washing machine cover body opening and closing structure and washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106283511A CN106283511A (en) | 2017-01-04 |
| CN106283511B true CN106283511B (en) | 2022-04-05 |
Family
ID=57392507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510268298.9A Active CN106283511B (en) | 2015-05-22 | 2015-05-22 | Washing machine cover body opening and closing structure and washing machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3299510A4 (en) |
| KR (1) | KR20180006983A (en) |
| CN (1) | CN106283511B (en) |
| WO (1) | WO2016188264A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835608A (en) * | 2017-04-13 | 2017-06-13 | 胡英瑛 | One kind can divide cavity washer |
| CN109423823A (en) * | 2017-08-31 | 2019-03-05 | 青岛海尔洗衣机有限公司 | A kind of inner barrel structure of washing machine and the washing machine using the interior bucket |
| CN107523970B (en) * | 2017-09-18 | 2022-07-08 | 佛山市顺德海尔电器有限公司 | Washing machine cover body opening and closing structure and washing machine |
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| CN202450899U (en) * | 2012-01-19 | 2012-09-26 | 中国新兴保信建设总公司 | Multi-angle positioning device of side hung door |
| CN203175222U (en) * | 2013-04-25 | 2013-09-04 | 李瑶兴 | Locating door strip |
| CN203412416U (en) * | 2013-07-29 | 2014-01-29 | 李福青 | Graded opening device of protective cover |
| CN203808676U (en) * | 2014-04-10 | 2014-09-03 | 吴江市赛纳电子科技有限公司 | Positioning opening and closing device |
| CN204002175U (en) * | 2014-07-29 | 2014-12-10 | 浙江泰鸿机电有限公司 | The door stop of motor vehicle |
| CN204059016U (en) * | 2014-08-25 | 2014-12-31 | 宁波奇帅电器有限公司 | A kind of cover plate for washing machine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920020004A (en) * | 1991-04-30 | 1992-11-20 | 이헌조 | Automatic opening and closing method of the washing machine lid |
| KR100263449B1 (en) * | 1998-03-05 | 2000-08-01 | 윤종용 | Washing machine |
| JP2000167290A (en) * | 1998-12-07 | 2000-06-20 | Toshiba Corp | Washing machine |
| EP1518956B1 (en) * | 2003-09-25 | 2010-03-10 | CANDY S.p.A. | Household electrical appliance provided with door for closing an internal chamber |
| AU2008202220B2 (en) * | 2007-05-28 | 2010-12-02 | Lg Electronics Inc. | Laundry machine |
| JP4513877B2 (en) * | 2008-03-04 | 2010-07-28 | パナソニック株式会社 | Washing machine lid structure |
| EP2107152B1 (en) * | 2008-03-31 | 2014-06-11 | Electrolux Home Products Corporation N.V. | Electrical appliance with an improved door mechanism |
| CN102782202B (en) * | 2010-03-01 | 2015-09-23 | 伊利诺斯工具制品有限公司 | There is the hood lock of the anti-tamper feature of magnetic |
| US8936330B2 (en) * | 2010-12-23 | 2015-01-20 | Lg Electronics Inc. | Laundry treating apparatus |
| KR101821202B1 (en) * | 2010-12-23 | 2018-03-08 | 엘지전자 주식회사 | Clothes Traeting Apparatus |
| CN202576941U (en) * | 2012-04-28 | 2012-12-05 | 海信容声(广东)冰箱有限公司 | Automatic uncapping device of washing machine barrel cover and washing machine |
| CN202671904U (en) * | 2012-07-09 | 2013-01-16 | 海信容声(广东)冰箱有限公司 | Washing machine door cover and washing machine |
-
2015
- 2015-05-22 CN CN201510268298.9A patent/CN106283511B/en active Active
-
2016
- 2016-04-15 WO PCT/CN2016/079408 patent/WO2016188264A1/en active Application Filing
- 2016-04-15 KR KR1020177036962A patent/KR20180006983A/en not_active Application Discontinuation
- 2016-04-15 EP EP16799153.8A patent/EP3299510A4/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202450899U (en) * | 2012-01-19 | 2012-09-26 | 中国新兴保信建设总公司 | Multi-angle positioning device of side hung door |
| CN203175222U (en) * | 2013-04-25 | 2013-09-04 | 李瑶兴 | Locating door strip |
| CN203412416U (en) * | 2013-07-29 | 2014-01-29 | 李福青 | Graded opening device of protective cover |
| CN203808676U (en) * | 2014-04-10 | 2014-09-03 | 吴江市赛纳电子科技有限公司 | Positioning opening and closing device |
| CN204002175U (en) * | 2014-07-29 | 2014-12-10 | 浙江泰鸿机电有限公司 | The door stop of motor vehicle |
| CN204059016U (en) * | 2014-08-25 | 2014-12-31 | 宁波奇帅电器有限公司 | A kind of cover plate for washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016188264A1 (en) | 2016-12-01 |
| CN106283511A (en) | 2017-01-04 |
| KR20180006983A (en) | 2018-01-19 |
| EP3299510A4 (en) | 2018-05-30 |
| EP3299510A1 (en) | 2018-03-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220216 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |