CN106958118B - Belt pulley for washing machine and washing machine - Google Patents
Belt pulley for washing machine and washing machine Download PDFInfo
- Publication number
- CN106958118B CN106958118B CN201610018254.5A CN201610018254A CN106958118B CN 106958118 B CN106958118 B CN 106958118B CN 201610018254 A CN201610018254 A CN 201610018254A CN 106958118 B CN106958118 B CN 106958118B
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- Prior art keywords
- washing machine
- pulley
- disc
- wheel
- rim
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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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses a belt pulley for a washing machine and a washing machine, wherein the belt pulley for the washing machine comprises: the driving belt of the washing machine is suitable for being sleeved on the rim; the wheel axle is arranged in the wheel rim and is suitable for being in transmission connection with a motor shaft of the washing machine; the wheel disc is connected between the inner peripheral surface of the wheel rim and the outer peripheral surface of the wheel shaft in a covering mode, and comprises one or more disc areas, and at least one of the one or more disc areas is provided with a process hole. The belt pulley for the washing machine has the advantages of low noise, high structural strength, small resistance and the like during rotation.
Description
Technical Field
The invention relates to the technical field of electric appliance manufacturing, in particular to a belt pulley for a washing machine and the washing machine with the belt pulley for the washing machine.
Background
The drum washing machine transmits power through the belt pulley and the belt to drive the inner drum of the washing machine to rotate, so that washing and dewatering actions are realized. The pulley in the related art utilizes a plurality of connecting ribs to connect the wheel shaft and the wheel rim, and when the pulley rotates at a high speed, the cross section area of the connecting ribs of the pulley is large, so that friction with air occurs in the rotating process, and high decibel noise is generated.
Disclosure of Invention
The present invention aims to solve, at least to some extent, one of the above technical problems in the prior art. Therefore, the invention provides the belt pulley for the washing machine, which has the advantages of low noise, high structural strength, small resistance and the like during rotation.
The invention also provides a washing machine with the belt pulley for the washing machine.
To achieve the above object, an embodiment of a first aspect of the present invention proposes a pulley for a washing machine, comprising: the driving belt of the washing machine is suitable for being sleeved on the rim; the wheel axle is arranged in the wheel rim and is suitable for being in transmission connection with a motor shaft of the washing machine; the wheel disc is connected between the inner peripheral surface of the wheel rim and the outer peripheral surface of the wheel shaft in a covering mode, and comprises one or more disc areas, and at least one of the one or more disc areas is provided with a process hole.
The belt pulley for the washing machine has the advantages of low noise, high structural strength, small resistance and the like during rotation.
In addition, the pulley for a washing machine according to an embodiment of the present invention may have the following additional technical features:
according to one embodiment of the invention, the process holes comprise mounting holes.
According to one embodiment of the invention, the process hole further comprises a lightening hole.
According to one embodiment of the invention, the wheel disc comprises a plurality of large disc areas with mounting holes near the wheel rim and a plurality of small disc areas near the wheel axle, and annular reinforcing ribs are arranged between the large disc areas and the small disc areas.
According to one embodiment of the invention, the small disc area comprises a first small disc area with a process hole and a closed second small disc area.
According to one embodiment of the invention, the maximum thickness of the cross section of the disc zone is 1mm-3mm.
According to one embodiment of the invention, the pulley is at least partially a plastic or alloy metal die cast.
According to one embodiment of the invention, the pulley is integrally formed as a plastic unitary piece or as an alloy metal die cast unitary piece.
According to one embodiment of the invention, the maximum width of the cross section of the wheel disc is smaller than the minimum width of the cross section of the wheel axle.
According to one embodiment of the present invention, at least one of two surfaces of the large disc area which are opposite in the axial direction thereof is a smooth surface.
According to one embodiment of the invention, the surface of the small disc area on the same side as the at least one surface in the axial direction of the wheel axle is smooth and transitions smoothly with the at least one surface.
According to one embodiment of the present invention, the wheel disc is provided with a plurality of linear reinforcing ribs on one of two surfaces opposite in the axial direction thereof.
According to one embodiment of the invention, the sum of the maximum width of the cross section of the wheel disc and the maximum height of the linear reinforcing bars is smaller than or equal to the minimum width of the cross section of the wheel axle.
According to an embodiment of the invention, a plurality of the linear reinforcing ribs are arranged radially about the axle.
According to one embodiment of the invention, the axle and the rim are offset in the axial direction of the axle.
According to one embodiment of the invention, the rim, the wheel disc and the wheel axle are integrally formed.
An embodiment of the second aspect of the invention proposes a washing machine comprising a pulley for a washing machine according to an embodiment of the first aspect of the invention.
According to the washing machine disclosed by the embodiment of the invention, the belt pulley for the washing machine disclosed by the embodiment of the first aspect of the invention has the advantages of low noise, energy conservation, environment friendliness and the like.
Drawings
Fig. 1 is a schematic structural view of a pulley for a washing machine according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a pulley for a washing machine according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a pulley for a washing machine according to an embodiment of the present invention.
Reference numerals: pulley 1 for washing machine, rim 100, hub 200, shaft hole 210, wheel disc 300, large disc area 310, small disc area 320, first small disc area 321, second small disc area 322, mounting hole 330, lightening hole 340, annular reinforcing rib 350, linear reinforcing rib 360.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
A pulley 1 for a washing machine according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a pulley 1 for a washing machine according to an embodiment of the present invention includes a rim 100, a hub 200, and a wheel disc 300.
The drive belt of the washing machine is adapted to fit over the rim 100. An axle 200 is provided in the rim 100 and is adapted to be in driving connection with the motor shaft of the washing machine. The wheel disc 300 is connected in a cover-type between the inner circumferential surface of the rim 100 and the outer circumferential surface of the hub 200, and the wheel disc 300 includes one or more disc regions, at least one of which has a process hole therein. It should be understood herein that "the wheel disc 300 is connected in a covering manner between the inner circumferential surface of the rim 100 and the outer circumferential surface of the hub 200" means that the wheel disc 300 is connected to the rim 100 and the hub 200 in such a manner as to cover the space between the rim 100 and the hub 200, respectively, to constitute a relatively closed wheel disc 300. By "relatively closed" is meant that the wheel disc 300 does not completely cover the space between the rim 100 and the axle 200, and that the process holes are also provided in the wheel disc 300. It will be appreciated by those skilled in the art that the space between two adjacent ribs connecting the axle and the rim in the related art cannot be called a process hole, and the process hole is a different concept from that in the present invention.
According to the pulley 1 for a washing machine of the embodiment of the present invention, by providing the wheel disc 300 with the outer circumferential surface of the wheel disc 300 connected with the inner circumferential surface of the wheel rim 100 and the inner circumferential surface of the wheel disc 300 connected with the outer circumferential surface of the wheel axle 200, not only can the wheel axle 200 and the wheel rim 100 be connected by the wheel disc 300 to achieve a driving link between a driving belt of the washing machine and a motor of the washing machine, but also the wheel disc 300 can cover a space between the wheel rim 100 and the wheel axle 200 by the wheel disc 300, so that air does not enter the space between the wheel rim 100 and the wheel axle 200 covered by the wheel disc 300 during rotation of the pulley 1, compared with the pulley provided with the connecting ribs in the related art, air can be prevented from entering the space between two adjacent connecting ribs, thereby preventing the air from rubbing against the connecting ribs to generate noise. Therefore, the friction force between the belt pulley 1 and the air in the rotation process can be reduced, so that the noise generated by friction between the belt pulley 1 and the air in the rotation process is reduced, the noise generated by the cylinder of the washing machine in the high-speed running condition is reduced, and the comfort of a user in using the washing machine is improved.
And, through utilizing rim plate 300 to connect shaft 200 and rim 100, not only can improve the structural strength of belt pulley 1, improve the stability of belt pulley 1, can reduce the frictional force of belt pulley 1 and air moreover, reduce the air resistance that belt pulley 1 received in the rotation process, on the one hand can be convenient for guarantee the rotational speed of belt pulley 1, on the other hand can reduce the energy loss that the washing machine brought owing to belt pulley 1 and air friction to reduce the energy consumption of washing machine.
Further, by providing the process holes on at least one of the one or more disc zones. The pulley 1 can be conveniently fixed, so that the pulley 1 can be conveniently manufactured.
Therefore, the pulley 1 for a washing machine according to the embodiment of the present invention has advantages of low noise, high structural strength, low resistance, etc. when rotating.
A pulley 1 for a washing machine according to an embodiment of the present invention is described below with reference to the accompanying drawings.
In some embodiments of the present invention, as shown in fig. 1 to 3, a pulley 1 for a washing machine according to an embodiment of the present invention includes a rim 100, a hub 200, and a wheel disc 300.
The process holes include mounting holes 330. Thereby facilitating the mounting and positioning of the pulley 1.
Optionally, as shown in fig. 1, the process hole further includes a lightening hole 340. In other words, the process hole may include only the mounting hole 330, only the lightening hole 340, or both the mounting hole 330 and the lightening hole 340. Therefore, the weight of the belt pulley 1 can be reduced, the material consumption of the belt pulley 1 can be reduced, the belt pulley 1 can be conveniently rotated, the load of the washing machine is reduced, and the washing machine is more energy-saving and environment-friendly.
Specifically, as shown in fig. 1 and 2, the wheel disc 300 includes a plurality of large disc areas 310 adjacent to the rim 100 and having mounting holes 330 and a plurality of small disc areas 320 adjacent to the hub 200, with annular reinforcing ribs 350 between the large disc areas 310 and between the small disc areas 320. Thereby, the structural strength and noise reduction effect of the pulley 1 can be improved while ensuring that the pulley 1 can be reliably mounted.
More specifically, as shown in FIG. 1, the small disk region 320 includes a first small disk region with a lightening hole 340 and a closed second small disk region. This not only reduces the weight of the pulley 1, but also ensures the structural strength and noise reduction effect of the small disc region 320.
Advantageously, the maximum thickness of the cross section of the disc zone is 1mm-3mm. This further reduces the friction between the disc area and the air during rotation of the pulley 1, and further reduces the noise generated during rotation of the pulley 1.
Fig. 1 to 3 show a pulley 1 for a washing machine according to a specific example of the present invention, as shown in fig. 2, a maximum width of a cross section of a wheel disc 300 is smaller than a minimum width of a cross section of a wheel shaft 200. This can reduce the material consumption of the pulley 1 while ensuring the structural strength of the pulley 1 to reduce the cost of the pulley 1, and can facilitate reducing the cross-sectional area of the pulley 1 to further facilitate reducing the noise generated during the rotation of the pulley 1.
Alternatively, as shown in fig. 1 to 3, at least one of two surfaces of the large disc area 310 which are opposite in the axial direction thereof is a smooth surface. In other words, one or both of the axially opposite surfaces of the large disc region 310 are smooth surfaces. This further reduces the friction between the surface of the large disc area 310 and the air, thereby further reducing the noise generated when the pulley 1 rotates.
Advantageously, as shown in fig. 2 and 3, the surface of the small disc region 320 on the same side as the at least one surface in the axial direction of the wheel shaft 200 is a smooth surface and smoothly transitions with the at least one surface. Thereby not only ensuring the structural strength of the pulley 1, but also reducing the noise generated by friction between the wheel disc 300 and the air, thereby further facilitating the reduction of the noise generated when the pulley 1 rotates. Further, since the surface of the small disc area 320 on the same side as the at least one surface and the at least one surface of the large disc area 310 smoothly transition, the formation of the smooth surface can be facilitated to facilitate the manufacture of the pulley 1.
Specifically, as shown in fig. 1 to 3, a plurality of linear reinforcing ribs 360 are provided on one of two surfaces of the wheel disc 300 which are opposite in the axial direction thereof. In other words, the wheel disc 300 is provided with a plurality of linear beads 360 on one of two surfaces opposite in the axial direction thereof and the other surface is a smooth surface. Thus, not only the noise of the pulley 1 during the rotation process can be reduced, but also the structural strength of the pulley 1 can be improved by using the reinforcing ribs 310, and the bending deformation of the pulley 1 can be prevented. In addition, since the reinforcing ribs 310 can prevent the sheave 300 from being bent and deformed, it is possible to prevent the frictional force between the pulley 1 and the air from being increased due to the deformation of the sheave 300, further facilitating the reduction of noise when the pulley 1 rotates.
Specifically, the front surface of the wheel disc 300 may be a smooth surface and the rear surface of the wheel disc 300 may be provided with linear reinforcing ribs 360 (the front-rear direction is shown by arrow a in fig. 2 and 3).
More specifically, as shown in FIG. 2, the sum of the maximum width of the cross section of the wheel disc 300 and the maximum height of the linear stiffener 360 is less than or equal to the minimum width of the cross section of the axle 200. In this way, the friction force between the linear reinforcing ribs 360 and the air can be reduced, the noise generated when the belt pulley 1 rotates can be further reduced, the resistance generated when the belt pulley 1 rotates can be reduced, and the transmission efficiency of the belt pulley 1 can be improved.
As shown in fig. 3, the plurality of linear reinforcing ribs 360 are radially arranged around the wheel axle 200. Thereby ensuring the uniformity of the stress of the belt pulley 1 so as to ensure the structural strength and stability of the belt pulley 1.
Fig. 1 to 3 show a pulley 1 for a washing machine according to a specific example of the present invention. As shown in fig. 1-3, the small disc region 320 and the rim 100 are offset in the axial direction of the hub 200. This not only facilitates the driving connection of the pulley 1 with the motor shaft of the washing machine motor, but also improves the structural strength of the wheel disc 300, preventing the wheel disc 300 from being bent and deformed.
The axle 200 may be provided with an axle hole 210, and a motor shaft of the washing machine motor is fitted in the axle hole 210.
Advantageously, rim 100, wheel disc 300 and axle 200 are integrally formed. Therefore, not only the structural strength of the belt pulley 1 can be ensured, but also the assembly process of the belt pulley 1 can be simplified, and the production efficiency of the belt pulley 1 can be improved.
Optionally, the pulley 1 is at least partially a plastic or alloy metal die cast. Thereby not only facilitating the manufacture of the pulley 1 but also ensuring the structural strength of the pulley 1.
Further, the pulley 1 is integrally formed as a plastic integral piece or an alloy metal die-cast integral piece. Thereby not only further facilitating the manufacture of the pulley 1 but also further improving the structural strength of the pulley 1.
A washing machine according to an embodiment of the present invention is described below. The washing machine according to the embodiment of the present invention includes the pulley 1 for the washing machine according to the above-described embodiment of the present invention.
The washing machine according to the embodiment of the present invention has advantages of low noise, energy saving, environmental protection, etc., by using the pulley 1 for the washing machine according to the above-described embodiment of the present invention.
Other constructions and operations of the washing machine according to the embodiment of the present invention are known to those skilled in the art, and will not be described in detail herein.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (13)
1. A pulley for a washing machine, comprising:
the driving belt of the washing machine is suitable for being sleeved on the rim;
the wheel axle is arranged in the wheel rim and is suitable for being in transmission connection with a motor shaft of the washing machine;
the wheel disc is connected between the inner peripheral surface of the wheel rim and the outer peripheral surface of the wheel shaft in a covering mode, the wheel disc comprises a plurality of disc areas, at least one of the disc areas is provided with a process hole, the process hole comprises a mounting hole and a lightening hole, the wheel disc comprises a plurality of large disc areas close to the wheel rim and provided with the mounting hole and a plurality of small disc areas close to the wheel shaft, at least one of the large disc areas is sealed, annular reinforcing ribs are arranged between the large disc areas and the small disc areas, and the small disc areas comprise a first small disc area provided with the lightening hole and a second small disc area which is sealed.
2. A pulley for a washing machine according to claim 1, characterized in that the maximum thickness of the cross section of the disc zone is 1mm-3mm.
3. A pulley for a washing machine according to claim 1, characterized in that it is at least partially a plastic part or an alloy metal die cast.
4. A pulley for a washing machine according to claim 3, characterized in that it is integrally made of a plastic or alloy metal die-cast piece.
5. A pulley for a washing machine according to claim 1, characterized in that the maximum width of the cross section of the wheel disc is smaller than the minimum width of the cross section of the wheel axle.
6. A pulley for a washing machine as claimed in claim 1, wherein at least one of two surfaces of the large disc region opposite in an axial direction thereof is a smooth surface.
7. The pulley for a washing machine as claimed in claim 6, wherein a surface of the small disc region on the same side as the at least one surface in the axial direction of the wheel shaft is a smooth surface and smoothly transitions with the at least one surface.
8. The pulley for washing machine as claimed in claim 6, wherein a plurality of linear reinforcing ribs are provided on one of two surfaces of the disc which are opposite in the axial direction thereof.
9. The pulley for a washing machine as claimed in claim 8, wherein a sum of a maximum width of a cross section of the wheel disc and a maximum height of the linear reinforcing bead is less than or equal to a minimum width of a cross section of the wheel shaft.
10. The pulley for washing machine as claimed in claim 8, wherein a plurality of the linear reinforcing ribs are radially arranged centering on the wheel shaft.
11. A pulley for a washing machine according to claim 1, characterized in that the axle and the rim are offset in the axial direction of the axle.
12. A pulley for a washing machine as claimed in claim 1, wherein the rim, the wheel disc and the wheel shaft are integrally formed.
13. A washing machine comprising a pulley for a washing machine according to any one of claims 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018254.5A CN106958118B (en) | 2016-01-12 | 2016-01-12 | Belt pulley for washing machine and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018254.5A CN106958118B (en) | 2016-01-12 | 2016-01-12 | Belt pulley for washing machine and washing machine |
Publications (2)
| Publication Number | Publication Date |
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| CN106958118A CN106958118A (en) | 2017-07-18 |
| CN106958118B true CN106958118B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610018254.5A Active CN106958118B (en) | 2016-01-12 | 2016-01-12 | Belt pulley for washing machine and washing machine |
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| CN (1) | CN106958118B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050231A (en) * | 2018-02-05 | 2018-05-18 | 江阴市美特机械有限公司 | A kind of Belt Pulley of Washing Machine |
| CN108050232A (en) * | 2018-02-05 | 2018-05-18 | 江阴市美特机械有限公司 | A kind of Belt Pulley of Washing Machine of anti-slip |
| SI25993A (en) | 2020-04-21 | 2021-10-29 | Gorenje gospodinjski aparati, d.o.o | Washing machine drum pulley made of plastic material |
| CN114059299A (en) * | 2021-11-24 | 2022-02-18 | 珠海格力电器股份有限公司 | Washing machine belt pulley, manufacturing method thereof and washing machine |
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| EP1637776A1 (en) * | 2004-09-17 | 2006-03-22 | Aerzener Maschinenfabrik GmbH | Pulley |
| JP2006285088A (en) * | 2005-04-04 | 2006-10-19 | Fujinon Corp | Color wheel |
| EP2177658A1 (en) * | 2008-10-14 | 2010-04-21 | BSH Electrodomésticos España, S.A. | Pulley and washing machine with a pulley |
| JP2010106941A (en) * | 2008-10-29 | 2010-05-13 | Toyota Central R&D Labs Inc | Pulley for continuously variable transmission, and the continuously variable transmission |
| CN203962934U (en) * | 2014-01-15 | 2014-11-26 | Tcl家用电器（合肥）有限公司 | Belt pulley and washing machine |
| CN205557102U (en) * | 2016-01-12 | 2016-09-07 | 无锡小天鹅股份有限公司 | A belt pulley and washing machine for washing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013038432A1 (en) * | 2011-09-13 | 2013-03-21 | Meccanica Generale S.R.L. | A plastic pulley for driving drum for washing machine into rotation. |
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2016
- 2016-01-12 CN CN201610018254.5A patent/CN106958118B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1637776A1 (en) * | 2004-09-17 | 2006-03-22 | Aerzener Maschinenfabrik GmbH | Pulley |
| JP2006285088A (en) * | 2005-04-04 | 2006-10-19 | Fujinon Corp | Color wheel |
| EP2177658A1 (en) * | 2008-10-14 | 2010-04-21 | BSH Electrodomésticos España, S.A. | Pulley and washing machine with a pulley |
| JP2010106941A (en) * | 2008-10-29 | 2010-05-13 | Toyota Central R&D Labs Inc | Pulley for continuously variable transmission, and the continuously variable transmission |
| CN203962934U (en) * | 2014-01-15 | 2014-11-26 | Tcl家用电器（合肥）有限公司 | Belt pulley and washing machine |
| CN205557102U (en) * | 2016-01-12 | 2016-09-07 | 无锡小天鹅股份有限公司 | A belt pulley and washing machine for washing machine |
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| CN106958118A (en) | 2017-07-18 |
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Effective date of registration: 20190725 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Applicant after: Wuxi Little Swan Electric Co.,Ltd. Address before: 214028 Wuxi Changjiang Road, Wuxi New District, Jiangsu, No. 18 Applicant before: WUXI LITTLE SWAN Co.,Ltd. |
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