CN107022885B - Heating pipe support of drum washing machine and drum washing machine - Google Patents
Heating pipe support of drum washing machine and drum washing machine Download PDFInfo
- Publication number
- CN107022885B CN107022885B CN201610067127.4A CN201610067127A CN107022885B CN 107022885 B CN107022885 B CN 107022885B CN 201610067127 A CN201610067127 A CN 201610067127A CN 107022885 B CN107022885 B CN 107022885B
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- heating pipe
- washing machine
- pipe support
- plane
- drum washing
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 121
- 238000005406 washing Methods 0.000 title claims abstract description 47
- 238000009434 installation Methods 0.000 claims abstract description 41
- 230000007704 transition Effects 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000005452 bending Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 description 11
- 239000002245 particle Substances 0.000 description 10
- 101150114468 TUB1 gene Proteins 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000008187 granular material Substances 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
- D06F39/04—Heating arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention relates to a heating pipe bracket of a drum washing machine and the drum washing machine, wherein the heating pipe bracket is composed of metal sheets and comprises an installation part connected with an outer drum of the washing machine, a clamping part connected with a heating pipe and a connecting part used for connecting the installation part and the clamping part, the connecting part and the installation part are arranged from top to bottom, and the connecting part is in smooth transition. The installation department is flaky planar structure, the clamping part is the curved surface structure of U-shaped, the curved surface structure of U-shaped is horizontal, the U-shaped cross section of the curved surface structure of U-shaped with flaky planar structure place plane is perpendicular, the opening of the curved surface structure of U-shaped is towards the lateral part.
Description
Technical Field
The invention relates to the field of washing machines, in particular to a heating pipe bracket of a drum washing machine and the drum washing machine.
Background
The heating pipe of most drum washing machines is installed between the inner and outer barrels, the heating pipe is fixed on the outer barrel through the heating pipe support, and the heating pipe support needs to support the heating pipe, so that the heating purpose during washing is completed, and the strength requirement on the heating pipe support is very high. If the strength of the heating pipe support is not enough, the vibration and abrasion of the heating pipe can be increased, the electric leakage risk of the heating pipe is further caused, and the noise is also generated when the drum washing machine washes and dehydrates.
In the prior art, a water heating pipe support is fixed on an outer barrel of a washing machine through a screw to play a role in supporting a heating pipe. The screw connection has an influence on the strength of the outer drum and an adverse influence on the production and assembly of the drum washing machine.
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 heating pipe bracket of a drum washing machine and the drum washing machine.
In order to realize the purpose, the invention adopts the following technical scheme: the utility model provides a drum type washing machine's heating pipe support, the heating pipe support comprises the sheetmetal, including the installation department of connecting the washing machine urceolus, the clamping part of connecting the heating pipe and the connecting portion that are used for connecting installation department and clamping part, connecting portion and installation department set up from top to bottom, and junction smooth transition.
The installation department is flaky planar structure, the clamping part is the curved surface structure of U-shaped, the curved surface structure of U-shaped is horizontal, the U-shaped cross section of the curved surface structure of U-shaped with flaky planar structure place plane is perpendicular, the opening of the curved surface structure of U-shaped is towards the lateral part.
The opening of the U-shaped curved surface structure corresponds to the first side of the sheet-shaped plane structure, and the connecting part is of a strip-shaped curved surface structure, so that the second side, corresponding to the first side, of the sheet-shaped plane structure extends to the arc-shaped surface, corresponding to the opening of the U-shaped curved surface structure, of the middle of the U-shaped curved surface structure.
The U-shaped curved surface structure comprises a first plane, a second plane and a first cambered surface, wherein the first plane and the second plane are oppositely arranged, the first cambered surface is connected with the first plane and the second plane, the first plane and the second plane are arranged in parallel with the flaky planar structure of the installation part, the first plane is closer to the flaky planar structure of the installation part than the second plane, an opening is formed in the first plane in the direction from the opening to the first cambered surface, the width of the opening is the same as that of the strip-shaped curved surface structure of the connection part, and one end of the first cambered surface, which is located at the opening, is connected with the strip-shaped curved surface structure.
One end of the notch extends to the intersection of the first plane and the first cambered surface, and the strip-shaped curved surface structure of the connecting part is connected with the intersection of the first plane and the first cambered surface.
And the mounting part of the flaky plane structure is provided with a sunken bulge.
One end of the second plane, which is positioned at the opening, is obliquely turned upwards to form a turned edge.
The heating pipe support is formed by sheet metal bending, clamping part, connecting portion and installation department structure as an organic whole, and the smooth transition of department of buckling, perhaps the heating pipe support is formed by sheet metal connection, clamping part, connecting portion and installation department are components of a whole that can function independently structure, the smooth transition of junction.
A groove is formed in the bottom of the outer barrel of the drum washing machine along the axial direction of the outer barrel, a heating pipe is arranged in the groove, one end of the heating pipe is fixed with one end of the groove, and the other end of the heating pipe is supported by the heating pipe support.
The heating pipe support is characterized in that a containing groove with an inlet is formed in the bottom of the groove and close to the end portion of the groove in the axial direction, the inlet is located at the end portion, facing the groove, of one end of the containing groove in the axial direction, the mounting portion of the heating pipe support is inserted into the containing groove through the inlet to achieve mounting of the heating pipe support, and the clamping portion surrounds the end portion of the heating pipe to achieve supporting of the heating pipe.
After the technical scheme of the invention is adopted, the following beneficial effects are brought:
the heating pipe bracket can have certain elastic deformation, can overcome the problem that the heating pipe bracket and the heating pipe cannot be correspondingly matched due to the installation error in the vertical direction generated by the installation of the heating pipe or the manufacturing error of the heating pipe bracket, and can also avoid the damage to the heating pipe if the rigid heating pipe bracket is used when the washing machine vibrates; meanwhile, the heating pipe bracket has high strength, and the support of the heating pipe is ensured; according to the invention, the heating pipe support is directly inserted into the accommodating groove to realize the installation of the heating pipe support and the outer cylinder, the fixation of screws is not needed, the influence of the screw holes drilled on the outer cylinder on the strength of the outer cylinder is avoided, the installation is simple, and the time for screwing the screws is saved.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
FIG. 1: structure diagram of drum washing machine
FIG. 2: enlarged view at A of FIG. 1
FIG. 3: the invention relates to a heating pipe bracket and a heating pipe matching structure chart
FIG. 4: the invention relates to a heating pipe bracket structure diagram
FIG. 5: front view of heating pipe support
FIG. 6: side view of the heating tube holder of the invention
Wherein: 1. the outer cylinder, 2, recess, 3, heating pipe, 4, heating pipe support, 5, installation department, 6, clamping part, 7, connecting portion, 8, first plane, 9, second plane, 10, first cambered surface, 11, opening, 12, arch, 13, turn-ups, 14, opening, 32, storage tank.
Detailed Description
As shown in fig. 4-6, the heating pipe bracket 4 of the drum washing machine of the present invention is composed of a metal sheet, and includes an installation portion 5 connected to the outer tub 1 of the washing machine, a clamping portion 6 connected to the heating pipe 3, and a connection portion 7 for connecting the installation portion 5 and the clamping portion 6, wherein the clamping portion 6, the connection portion 7, and the installation portion 5 are arranged from top to bottom, and the connection portion is in smooth transition. The heating pipe support 4 has a certain elastic deformation, so that the problem that the heating pipe support 4 and the heating pipe 3 cannot be matched correspondingly due to installation errors in the vertical direction generated by the installation of the heating pipe 3 or manufacturing errors of the heating pipe support 4 can be solved, and meanwhile, the heating pipe 3 can be prevented from being damaged if the rigid heating pipe support 4 is used when the washing machine vibrates.
The opening of the U-shaped curved surface structure corresponds to the first side of the sheet-shaped plane structure, the connecting part 7 is a strip-shaped curved surface structure, and the second side, corresponding to the first side, of the sheet-shaped plane structure extends to the arc-shaped surface, corresponding to the opening of the U-shaped curved surface structure, of the middle of the U-shaped curved surface structure. The cartridge 4 according to the invention is particularly suitable for use in a self-cleaning washing machine with cleaning particles 33 arranged in the tub 1, the holder 6 and the mount 5 having a distance therebetween which is greater than the maximum diameter of the cleaning particles 33, preferably greater than 1-3 times the maximum diameter of the cleaning particles 33, preferably 1-2 times, preferably 1.4-1.8 times the maximum diameter of the cleaning particles in the drum, ensuring that the cleaning particles 33 are free to move therebetween. Connecting portion 7 by the second side that corresponds with first side extends to on the planar structure of slice the middle part of the curved surface structure of U-shaped is close to the arcwall face that the opening of the curved surface structure of U-shaped corresponds, can enough guarantee that the heating pipe support can have certain elastic deformation and can also guarantee sufficient support intensity, can also guarantee simultaneously that the junction of connecting portion and clamping part 6 can not cause the phenomenon of the clean granule of card. The connecting part 7 is arranged into a strip shape, so that certain elastic deformation can be ensured.
The U-shaped curved surface structure comprises a first plane 8 and a second plane 9 which are oppositely arranged and a first arc surface 10 which is connected with the first plane 8 and the second plane 9, the first plane 8 and the second plane 9 are arranged in parallel with the flaky planar structure of the mounting part 5, the first plane 8 is closer to the flaky planar structure of the mounting part 5 than the second plane 9, a notch 11 is arranged on the first plane 8 along the direction from an opening 14 to the first arc surface 10, the width of the notch 11 is the same as that of the strip-shaped curved surface structure of the connecting part 7, and one end of the notch 11, which is positioned on the first arc surface 10, is connected with the strip-shaped curved surface structure. Namely, the middle part of the first plane 8 of the U-shaped curved surface structure is turned downwards to form a part of the connecting part, and the clamping part 6 and the heating pipe 3 are not affected, and the connection with the mounting part 5 can be realized.
One end of the gap 10 extends to the intersection of the first plane 8 and the first arc surface 10, and the strip-shaped curved surface structure of the connecting part 7 is connected with the intersection of the first plane 8 and the first arc surface 10. The included angle between the connecting portion and the first plane 8 and the included angle between the connecting portion and the first cambered surface 10 are guaranteed to be the largest, the phenomenon that the connecting portion and the clamping portion are clamped with cleaning particles is avoided, and meanwhile the cleaning particles can be guaranteed to achieve an all-round cleaning effect.
The mounting part 5 of the sheet-shaped planar structure is provided with a concave-shaped bulge 12, the upper part of the mounting part 5 is concave downwards, and the bulge 12 is formed at the lower part and used for enhancing the strength of the mounting part 5. One end of the second plane 9, which is located at the opening 14, is turned upwards in an inclined manner to form a turned edge 13, so that the strength of the clamping portion is enhanced and the assembly of the heating tube support and the heating tube is facilitated.
As shown in fig. 1-3, in the drum washing machine of the present invention, a groove 2 is formed at the bottom of an outer tub 1 of the drum washing machine along an axial direction of the outer tub 1, a heating pipe 3 is disposed in the groove 2, one end of the heating pipe 3 is fixed to one end of the groove 2, and the other end of the heating pipe 3 is supported by the heating pipe support 4. Preferably, the rear end of the heating pipe 3 is fixed at the rear part of the bottom of the outer cylinder 1, the heating pipe support 4 is installed at the front part of the bottom of the outer cylinder 1, the front end of the heating pipe 3 is prevented from being suspended and supported by the heating pipe support 4, and particularly when cleaning particles 33 are arranged in the outer cylinder 1, the cleaning particles 33 are in point-point contact instead of line-surface contact with the heating pipe support 4 when in contact with the heating pipe support, so that the particles can be guaranteed to be flushed away from the contacted heating pipe support under the action of water flow. When the heating pipe is installed, the heating pipe 3 is installed from the rear part of the bottom of the outer cylinder, and the heating pipe bracket 4 is installed from the front part of the bottom of the outer cylinder 1.
The bottom of the groove 2 is provided with a containing groove 32 with an inlet along the axial direction near the end part, the inlet is positioned at the end part of the containing groove 2 along the axial direction, the mounting part 5 of the heating pipe support 4 is inserted into the containing groove 32 by the inlet to realize the mounting of the heating pipe support 4, and the clamping part 6 surrounds the end part of the heating pipe to realize the support of the heating pipe 3. According to the invention, the heating pipe support 4 is directly inserted into the accommodating groove 32 to realize the installation of the heating pipe support 4 and the outer cylinder 1, the fixation of screws is not needed, the influence of the drilling of screw holes on the outer cylinder on the strength of the outer cylinder is avoided, the installation is simple, and the time for screwing the screws is saved.
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 (17)
1. A heating pipe support of a drum washing machine is characterized in that: the heating pipe bracket is composed of a metal sheet and comprises an installation part connected with the outer cylinder of the washing machine, a clamping part connected with the heating pipe and a connecting part used for connecting the installation part and the clamping part, the connecting part and the installation part are arranged from top to bottom, and the connecting part is in smooth transition;
the installation department is flaky planar structure, the clamping part is the curved surface structure of U-shaped, the curved surface structure of U-shaped includes two relative first planes, the second plane that sets up and connects first plane, the planar first cambered surface of second, and first plane is close to the flaky planar structure of installation department than the second plane, be equipped with the opening along opening to first cambered surface direction on the first plane, the width of opening is the same with the banding curved surface structure's of connecting portion width, and the opening is located first cambered surface one end and banding curved surface structural connection.
2. The heating pipe support of a drum washing machine according to claim 1, characterized in that: the U-shaped curved surface structure is transversely arranged, the U-shaped cross section of the U-shaped curved surface structure is perpendicular to the plane of the sheet-shaped plane structure, and the opening of the U-shaped curved surface structure faces the side part.
3. The heating pipe support of a drum washing machine according to claim 1, characterized in that: the opening of the U-shaped curved surface structure corresponds to the first side of the sheet-shaped plane structure, and the connecting part is of a strip-shaped curved surface structure, so that the second side, corresponding to the first side, of the sheet-shaped plane structure extends to the arc-shaped surface, corresponding to the opening of the U-shaped curved surface structure, of the middle of the U-shaped curved surface structure.
4. The heating pipe support of a drum washing machine according to claim 2, characterized in that: the opening of the U-shaped curved surface structure corresponds to the first side of the sheet-shaped plane structure, and the connecting part is of a strip-shaped curved surface structure, so that the second side, corresponding to the first side, of the sheet-shaped plane structure extends to the arc-shaped surface, corresponding to the opening of the U-shaped curved surface structure, of the middle of the U-shaped curved surface structure.
5. The heating pipe support of a drum washing machine according to claim 2, characterized in that: the first plane and the second plane are arranged in parallel with the sheet-shaped plane structure of the mounting part.
6. A heater tube holder for a drum washing machine according to any one of claims 1-5, characterized in that: one end of the notch extends to the intersection of the first plane and the first cambered surface, and the strip-shaped curved surface structure of the connecting part is connected with the intersection of the first plane and the first cambered surface.
7. A heater tube holder for a drum washing machine according to any one of claims 1-5, characterized in that: and the mounting part of the flaky plane structure is provided with a sunken bulge.
8. The heating pipe support of a drum washing machine according to claim 6, characterized in that: and the mounting part of the flaky plane structure is provided with a sunken bulge.
9. A heater tube holder for a drum washing machine according to any one of claims 1-5, 8, characterized in that: one end of the second plane, which is positioned at the opening, is obliquely turned upwards to form a turned edge.
10. The heating pipe support of a drum washing machine according to claim 6, characterized in that: one end of the second plane, which is positioned at the opening, is obliquely turned upwards to form a turned edge.
11. The heating pipe support of a drum washing machine according to claim 7, characterized in that: one end of the second plane, which is positioned at the opening, is obliquely turned upwards to form a turned edge.
12. A heater tube holder for a drum washing machine according to any one of claims 1-5, 8, 10-11, characterized in that: the heating pipe support is formed by sheet metal bending, clamping part, connecting portion and installation department structure as an organic whole, and the smooth transition of department of buckling, perhaps the heating pipe support is formed by sheet metal connection, clamping part, connecting portion and installation department are components of a whole that can function independently structure, the smooth transition of junction.
13. The heating pipe support of a drum washing machine according to claim 6, characterized in that: the heating pipe support is formed by sheet metal bending, clamping part, connecting portion and installation department structure as an organic whole, and the smooth transition of department of buckling, perhaps the heating pipe support is formed by sheet metal connection, clamping part, connecting portion and installation department are components of a whole that can function independently structure, the smooth transition of junction.
14. The heating pipe support of a drum washing machine according to claim 7, characterized in that: the heating pipe support is formed by sheet metal bending, clamping part, connecting portion and installation department structure as an organic whole, and the smooth transition of department of buckling, perhaps the heating pipe support is formed by sheet metal connection, clamping part, connecting portion and installation department are components of a whole that can function independently structure, the smooth transition of junction.
15. The heating pipe support of a drum washing machine according to claim 9, characterized in that: the heating pipe support is formed by sheet metal bending, clamping part, connecting portion and installation department structure as an organic whole, and the smooth transition of department of buckling, perhaps the heating pipe support is formed by sheet metal connection, clamping part, connecting portion and installation department are components of a whole that can function independently structure, the smooth transition of junction.
16. A drum washing machine having the heater duct bracket of any one of claims 1-15, characterized in that: the bottom of the outer barrel of the drum washing machine is provided with a groove along the axial direction of the outer barrel, a heating pipe is arranged in the groove, one end of the heating pipe is fixed with one end of the groove, and the other end of the heating pipe is supported by the heating pipe support.
17. A drum washing machine according to claim 16, characterized in that: the heating pipe support is characterized in that a containing groove with an inlet is formed in the bottom of the groove and close to the end portion of the groove in the axial direction, the inlet is located at the end portion, facing the groove, of one end of the containing groove in the axial direction, the mounting portion of the heating pipe support is inserted into the containing groove through the inlet to achieve mounting of the heating pipe support, and the clamping portion surrounds the end portion of the heating pipe to achieve supporting of the heating pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610067127.4A CN107022885B (en) | 2016-01-29 | 2016-01-29 | Heating pipe support of drum washing machine and drum washing machine |
| PCT/CN2017/072134 WO2017129086A1 (en) | 2016-01-29 | 2017-01-23 | Heating tube support for drum-type laundry machine and drum-type laundry machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610067127.4A CN107022885B (en) | 2016-01-29 | 2016-01-29 | Heating pipe support of drum washing machine and drum washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107022885A CN107022885A (en) | 2017-08-08 |
| CN107022885B true CN107022885B (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610067127.4A Active CN107022885B (en) | 2016-01-29 | 2016-01-29 | Heating pipe support of drum washing machine and drum washing machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107022885B (en) |
| WO (1) | WO2017129086A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273265B (en) * | 2018-03-16 | 2023-04-21 | 青岛海尔洗涤电器有限公司 | Washing machine |
| CN108411572B (en) * | 2018-03-30 | 2023-09-12 | 合肥海尔滚筒洗衣机有限公司 | Heater, washing machine provided with heater and control method |
| CN111101347A (en) * | 2018-10-26 | 2020-05-05 | 无锡小天鹅电器有限公司 | Clothes treating apparatus |
| CN110172798B (en) * | 2019-06-25 | 2024-07-12 | 珠海格力电器股份有限公司 | washing machine |
| CN110592894A (en) * | 2019-09-10 | 2019-12-20 | 安徽省宁国市天成电机有限公司 | Novel connecting tool for steel pipe heater |
| WO2023158115A1 (en) * | 2022-02-15 | 2023-08-24 | 김진두 | Heating device for clothes care machine |
| DE102022203624A1 (en) * | 2022-04-11 | 2023-10-12 | BSH Hausgeräte GmbH | Household appliance for the care of laundry items with a specific detachable holder for holding a heating element |
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| CN2480403Y (en) * | 2001-06-08 | 2002-03-06 | 史华彬 | Domestic steam cleaner |
| CN1508349A (en) * | 2002-12-17 | 2004-06-30 | 乐金电子(天津)电器有限公司 | Inclined drum washing machine |
| CN1928206A (en) * | 2005-09-08 | 2007-03-14 | 松下电器产业株式会社 | Drum washing machine |
| KR20080058296A (en) * | 2008-01-16 | 2008-06-25 | 주식회사 대우일렉트로닉스 | Heater fixing apparatus |
| CN204325779U (en) * | 2014-11-21 | 2015-05-13 | 江苏双鹿电器有限公司 | Roller washing machine heating tube fixture |
| CN105986424A (en) * | 2015-03-05 | 2016-10-05 | 青岛海尔滚筒洗衣机有限公司 | Heater device for washing machine and washing machine |
-
2016
- 2016-01-29 CN CN201610067127.4A patent/CN107022885B/en active Active
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2017
- 2017-01-23 WO PCT/CN2017/072134 patent/WO2017129086A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2480403Y (en) * | 2001-06-08 | 2002-03-06 | 史华彬 | Domestic steam cleaner |
| CN1508349A (en) * | 2002-12-17 | 2004-06-30 | 乐金电子(天津)电器有限公司 | Inclined drum washing machine |
| CN1928206A (en) * | 2005-09-08 | 2007-03-14 | 松下电器产业株式会社 | Drum washing machine |
| KR20080058296A (en) * | 2008-01-16 | 2008-06-25 | 주식회사 대우일렉트로닉스 | Heater fixing apparatus |
| CN204325779U (en) * | 2014-11-21 | 2015-05-13 | 江苏双鹿电器有限公司 | Roller washing machine heating tube fixture |
| CN105986424A (en) * | 2015-03-05 | 2016-10-05 | 青岛海尔滚筒洗衣机有限公司 | Heater device for washing machine and washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107022885A (en) | 2017-08-08 |
| WO2017129086A1 (en) | 2017-08-03 |
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Effective date of registration: 20201118 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. |