WO2017063259A1

WO2017063259A1 - Motor assembly used for washing machine and washing machine having same

Info

Publication number: WO2017063259A1
Application number: PCT/CN2015/096347
Authority: WO
Inventors: 文凯平; 王飞; 路星星; 周志成
Original assignee: 佛山市威灵洗涤电机制造有限公司
Priority date: 2015-10-13
Filing date: 2015-12-03
Publication date: 2017-04-20
Also published as: CN105375678A

Abstract

A motor assembly (100) used for a washing machine and a washing machine having same. The motor assembly (100) used for a washing machine comprises: a motor (1), the motor (1) comprising a housing (11) and a motor shaft (12) which is arranged in the housing (11) and of which one end stretches out of the housing (11); a belt pulley (2), the belt pulley (2) being arranged outside the housing (11) and in transmission connection with the motor shaft (12); and radiating fan blades (3), the radiating fan blades (3) being arranged outside the housing (11) and in transmission connection with the motor shaft (12), and the radiating fan blades (3) and the belt pulley (2) being separated from each other.

Description

Motor assembly for washing machine and washing machine therewith

Technical field

The present invention relates to the field of electrical appliances, and more particularly to a motor assembly for a washing machine and a washing machine having the same.

Background technique

The washing machine in the related art integrates the pulley and the heat radiating blade, and fixes the integrated pulley to the shaft extending end of the motor, but the integrated pulley has a large volume, and the installation is inconvenient due to the structure and position limitation, and Two-stage motors cannot be selected, and the motor speed and efficiency are low and the cost is high.

Summary of the invention

The present invention aims to solve at least one of the above technical problems in the related art to some extent. To this end, the present invention proposes a motor assembly for a washing machine, the pulley of the motor assembly for the washing machine and the heat dissipating blades are separated from each other, and has the advantages of convenient installation, high rotation speed and efficiency of the motor, low cost, and the like.

The present invention also discloses a washing machine comprising the above-described motor assembly for a washing machine.

A motor assembly for a washing machine according to an embodiment of the present invention includes: a motor including a housing and a motor shaft disposed in the housing and extending at least one end of the housing; a pulley, the pulley being disposed at The heat dissipation vane is disposed outside the housing and is coupled to the motor shaft; the heat dissipating vane is disposed outside the housing and is drivingly connected to the motor shaft, and the heat dissipating vane and the pulley are separated from each other.

The motor assembly for a washing machine according to an embodiment of the present invention is not only easy to install but also can increase the rotation speed and efficiency of the motor and reduce the cost by separating the heat radiating blades and the pulleys from each other.

According to some embodiments of the present invention, a plurality of transmission teeth are disposed on an outer circumferential surface of the pulley, the plurality of transmission teeth extending in a ring shape along a circumference of the pulley, and a plurality of the transmission teeth along the pulley Arranged in the axial direction.

According to some embodiments of the present invention, a first end of the motor shaft extends out of the housing and a second end is located in the housing, the pulley and the heat dissipation vane respectively being first with the motor shaft End drive connection.

Optionally, the cooling fins are more adjacent to the housing relative to the pulley.

Further, the pulley drive is coupled to an end of the first end of the motor shaft.

According to some embodiments of the present invention, the first end and the second end of the motor shaft respectively protrude from the housing, the pulley is drivingly coupled to the first end of the motor shaft, and the heat dissipation vane The second end of the motor shaft is connected to the drive.

Optionally, the pulley drive is coupled to an end of the first end of the motor shaft and the heat radiating vane is coupled to an end of the second end of the motor shaft.

Optionally, the distance between the heat dissipation vane and the housing in the axial direction of the motor shaft is smaller than the distance between the pulley and the housing in the axial direction of the motor shaft.

According to some embodiments of the invention, the heat dissipating vane is a plastic piece.

A washing machine according to an embodiment of the present invention includes: a motor assembly which is a motor assembly for a washing machine according to the above-described embodiment of the present invention; a centrifuge having a centrifuge pulley provided thereon, the centrifuge The pulley is coupled to the pulley through a drive belt drive.

The washing machine according to the embodiment of the present invention has the advantages of convenient installation, high rotation speed and efficiency of the motor, low cost, and the like by providing the motor assembly according to the above embodiment of the present invention.

DRAWINGS

1 is a perspective view of a motor assembly for a washing machine in accordance with an embodiment of the present invention;

2 is a schematic structural view of a motor assembly for a washing machine in accordance with some embodiments of the present invention;

3 is a top plan view of a motor assembly for a washing machine in accordance with further embodiments of the present invention;

4 is a perspective view of a heat dissipating vane for a motor assembly of a washing machine in accordance with an embodiment of the present invention;

Figure 5 is a perspective view of a pulley for a motor assembly of a washing machine in accordance with an embodiment of the present invention;

6 is a schematic structural view of a pulley for a motor assembly of a washing machine in accordance with an embodiment of the present invention.

Reference mark:

100: motor assembly;

1: motor; 11: housing; 12: motor shaft;

2: pulley; 21: transmission teeth;

3: cooling fan blade; 31: mounting plate; 32: blade.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position of indications such as "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the invention and the simplification of the description, and does not indicate or imply that the device or component referred to has a specific orientation, is constructed and operated in a specific orientation, and thus It is not to be understood as limiting the invention.

Moreover, the terms "first" and "second" 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, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.

A motor assembly 100 for a washing machine in accordance with an embodiment of the present invention will now be described in detail with reference to Figs.

As shown in FIGS. 1 and 2, a motor assembly 100 for a washing machine according to an embodiment of the present invention may include a motor 1, a pulley 2, and a heat radiating vane 3, wherein the motor 1 includes a housing 11 and is disposed in the housing 11. At least one end extends inside and out of the motor shaft 12 of the housing 11.

As shown in FIG. 1, the pulley 2 can be disposed outside the casing 11, and the pulley 2 can be drivingly connected with the motor shaft 12, so that the motor 1 can drive the pulley 2 to rotate and drive the subsequent components.

For the heat dissipation blade 3, the heat dissipation blade 3 can be disposed outside the housing 11, and the heat dissipation blade 3 can be drivingly connected to the motor shaft 12. Thereby, the motor 1 can drive the heat dissipation blade 3 to rotate to complete the heat dissipation work. The heat radiating vanes 3 can be separated from the pulley 2 from each other. For example, in the example shown in FIGS. 1 and 2, the heat radiating vane 3 may be provided at one end (for example, the lower end) of the motor shaft 12, and the pulley 2 may be provided at the other end (ie, the upper end) of the motor shaft 12.

It can be understood that, since the heat dissipating blades 3 are separated from the pulley 2, the splitting and mounting can be performed, thereby effectively solving the problem of inconvenience in placing the motor assembly 100, the structure is flexible, and the operability of the internal space of the washing machine is greatly increased, thereby Reduce installation difficulty, improve installation efficiency, and reduce costs. At the same time, a two-stage motor can be used, which can increase the speed and efficiency of the motor 1.

The motor assembly 100 for a washing machine according to an embodiment of the present invention, by disposing the heat radiating vane 3 and the pulley 2 from each other, is not only easy to install, but also can improve the rotation speed and efficiency of the motor 1, and reduce the cost.

According to some embodiments of the present invention, as shown in FIG. 1 , FIG. 2 , FIG. 5 and FIG. 6 , a plurality of transmission teeth 21 may be disposed on the outer circumferential surface of the pulley 2 , and the plurality of transmission teeth 21 may be along the circumferential direction of the pulley 2 . It extends in a ring shape, and a plurality of transmission teeth 21 are arranged in the axial direction of the pulley 2. Therefore, the pulley 2 can be set as the multi-toothed pulley 2, and the pulley 2 can be matched with the centrifugal pulley on the centrifuge, so that the transmission ratio parameter design range of the pulley 2 can be enlarged, and the transmission ratio of the pulley 2 is designed to be smaller. When the value is used, the pulley 2 can be effectively prevented from slipping, thereby reducing the wear of the pulley 2, prolonging its service life, and reducing noise.

In some embodiments of the present invention, as shown in FIG. 3, the first end of the motor shaft 12 can extend out of the housing 11 and the second end can be located in the housing 11, and the pulley 2 and the cooling fins 3 can be respectively coupled to the motor. The first end of the shaft 12 is in driving connection. In other words, the pulley 2 and the heat radiating vane 3 can be mounted at the same end of the motor shaft 12, so that the mounting difficulty of the motor assembly 100 can be reduced, the mounting efficiency can be improved, and the cost can be reduced.

Alternatively, as shown in FIG. 3, the heat radiating vane 3 may be further adjacent to the casing 11 with respect to the pulley 2, that is, the heat radiating vane 3 may be disposed on the motor shaft 12 between the pulley 2 and the casing 11. position. Thereby, the heat dissipation effect of the heat radiation fins 3 can be improved.

Further, as shown in FIG. 3, the pulley 2 can be drivingly connected to the end of the first end of the motor shaft 12, which can make the structure of the motor assembly 100 simple and compact, reduce the overall volume of the motor assembly 100, and facilitate the cooling fan blade. 3 installation.

In still other embodiments of the present invention, as shown in FIGS. 1 and 2, the first end and the second end of the motor shaft 12 may extend out of the housing 11, respectively, and the pulley 2 may be coupled to the first end of the motor shaft 12. Connected, and the cooling fins 3 can be drivingly coupled to the second end of the motor shaft 12. Thereby, the pulley 2 and the heat radiating vane 3 can be disposed at both ends of the motor shaft 12, so that the structural flexibility of the motor assembly 100 can be improved, and the operability of the internal space of the washing machine can be increased, thereby reducing the installation difficulty and expanding. The scope of application of the motor assembly 100.

As an alternative embodiment, as shown in FIGS. 1 and 2, the pulley 2 can be drivingly coupled to the end of the first end of the motor shaft 12, and the heat radiating vane 3 can be drivingly coupled to the end of the second end of the motor shaft 12. unit. This can reduce the overall volume of the motor assembly 100, making the structure of the motor assembly 100 simple and compact, and easy to install.

Optionally, the distance between the heat dissipation blade 3 and the housing 11 in the axial direction of the motor shaft 12 may be smaller than the distance between the pulley 2 and the housing 11 in the axial direction of the motor shaft 12, in other words, the heat dissipation blade 3 may be adjacent to the motor. The housing 11 of 1 is provided. Thereby, the heat dissipation efficiency of the heat radiating fins 3 can be improved, and the phenomenon that the motor 1 burns out due to excessive temperature rise can be avoided, and the motor 1 can be protected.

According to some embodiments of the present invention, since the heat radiating vane 3 and the pulley 2 are separated from each other, the heat radiating vane 3 may be a lower cost material such as a plastic member, which is not only convenient to manufacture but also low in cost. For example, as shown in FIG. 4, the heat radiating vane 3 may include a mounting plate 31 and a plurality of blades 32, and the mounting plate 31 may be in driving engagement with the motor shaft 12, and the vane 32 may extend vertically from a side surface of the mounting plate 31. And the plurality of blades 32 can be evenly spaced in the circumferential direction When the cloth is installed, the blades 32 of the heat-dissipating vane 3 can face the motor 1, so that when the motor 1 drives the heat-dissipating blades 3 to rotate, the blades 32 can dissipate heat from the motor 1, reduce the temperature of the motor 1, and prolong the service life of the motor.

As described above, the motor assembly 100 for a washing machine according to the embodiment of the present invention is not only easy to install, but also can improve the rotation speed and efficiency of the motor 1 and reduce the cost by separating the heat radiating vane 3 and the pulley 2 from each other. At the same time, by providing a plurality of transmission teeth 21 on the outer circumferential surface of the pulley 2, a corrugated structure is formed, thereby expanding the design range of the transmission ratio parameter of the pulley 2, thereby effectively preventing the pulley 2 from slipping, reducing the wear of the pulley 2, and prolonging. The life of the pulley 2 can reduce noise.

Further, the present invention also proposes a washing machine comprising the above-described motor assembly 100 for a washing machine in accordance with an embodiment of the present invention.

Specifically, a washing machine according to an embodiment of the present invention includes: a motor assembly and a centrifuge, wherein the motor assembly is a motor assembly 100 for a washing machine according to the above-described embodiment of the present invention, and a centrifuge pulley may be disposed on the centrifuge. The centrifuge pulley can be combined with the pulley 2 through the transmission belt to realize the rotation of the centrifuge and complete the laundry work.

The washing machine according to the embodiment of the present invention has the advantages of convenient installation, high rotation speed and efficiency of the motor 1, high cost, and the like by providing the motor assembly 100 according to the above embodiment of the present invention.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Further, various embodiments or examples described in this specification can be joined and combined by those skilled in the art.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

A motor assembly for a washing machine, comprising:

a motor comprising a housing and a motor shaft disposed within the housing and having at least one end extending out of the housing;

a pulley, the pulley is disposed outside the housing and is drivingly connected to the motor shaft;

a heat dissipating fan blade is disposed outside the casing and drivingly connected to the motor shaft, and the heat dissipating fan blade and the pulley are separated from each other.
A motor assembly for a washing machine according to claim 1, wherein a plurality of transmission teeth are provided on an outer circumferential surface of said pulley, said plurality of transmission teeth extending in a ring shape and extending along a circumferential direction of said pulley The drive teeth are arranged along the axial direction of the pulley.
A motor assembly for a washing machine according to claim 1 or 2, wherein a first end of the motor shaft extends out of the housing and a second end is located in the housing, the pulley and the The heat dissipating blades are respectively connected to the first end of the motor shaft.
A motor assembly for a washing machine according to claim 3, wherein said heat radiating vane is further adjacent said housing with respect to said pulley.
A motor assembly for a washing machine according to claim 4, wherein said pulley drive is coupled to an end of said first end of said motor shaft.
A motor assembly for a washing machine according to claim 1 or 2, wherein a first end and a second end of said motor shaft extend out of said housing, said pulley and said motor shaft One end is drivingly coupled and the heat dissipation vane is drivingly coupled to the second end of the motor shaft.
A motor assembly for a washing machine according to claim 6, wherein said pulley drive is coupled to an end of said first end of said motor shaft and said heat radiating vane is coupled to said motor shaft The end of the two ends.
A motor assembly for a washing machine according to claim 6, wherein a distance between said heat radiating vane and said housing in an axial direction of said motor shaft is smaller than said pulley and said housing are The distance in the axial direction of the motor shaft.
A motor assembly for a washing machine according to claim 1, wherein said heat radiating vane is a plastic member.
A washing machine, comprising:

a motor assembly, the motor assembly for a washing machine according to any one of claims 1-9;

a centrifuge having a centrifuge pulley on which the centrifugal pulley is coupled to the pulley through a drive belt.