CN107099974B

CN107099974B - Washing machine

Info

Publication number: CN107099974B
Application number: CN201710309686.6A
Authority: CN
Inventors: 钱伟; 朱春雨
Original assignee: Wuxi Little Swan Co Ltd
Current assignee: Wuxi Little Swan Electric Co Ltd
Priority date: 2017-05-04
Filing date: 2017-05-04
Publication date: 2020-05-15
Anticipated expiration: 2037-05-04
Also published as: CN107099974A

Abstract

The present invention discloses a washing machine, comprising: the bottom wall of the rear outer barrel is provided with a central through hole and a plurality of grooves arranged around the central through hole; the bearing seat is arranged on the bottom wall of the rear outer barrel and is positioned on the inner side of the central through hole; a wind shield assembly mounted on the rear outer tub, the wind shield assembly shielding the plurality of grooves; the motor assembly is arranged at the bottom of the wind shield assembly and comprises a motor stator, the motor stator is connected with the bearing seat, and an axial gap along the rear outer barrel is formed between the motor stator and the rear outer barrel. According to the washing machine, the wind shield assembly is arranged on the rear outer barrel and shields the plurality of grooves, so that wind generated by the motor rotor of the motor assembly in the operation process is not easy to blow into the grooves to generate wind noise, and the wind noise can be reduced.

Description

Washing machine

Technical Field

The invention relates to the technical field of household appliances, in particular to a washing machine.

Background

In the related technology, a gap is reserved between a motor stator and a rear outer barrel of the DD direct-drive drum washing machine, and the part of the rear outer barrel corresponding to a motor is of a groove structure, so that wind can be generated in the operation process of a motor rotor, and wind noise is generated when the wind blows in a groove.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, the present invention proposes a washing machine, the noise of which is reduced.

A washing machine according to an embodiment of the present invention includes: the bottom wall of the rear outer barrel is provided with a central through hole and a plurality of grooves arranged around the central through hole; the bearing seat is arranged on the bottom wall of the rear outer barrel and is positioned on the inner side of the central through hole; a wind shield assembly mounted on the rear outer tub, the wind shield assembly shielding the plurality of grooves; the motor assembly is arranged at the bottom of the wind shield assembly and comprises a motor stator, the motor stator is connected with the bearing seat, and an axial gap along the rear outer barrel is formed between the motor stator and the rear outer barrel.

According to the washing machine provided by the embodiment of the invention, the wind shield assembly is arranged on the rear outer barrel and shields the grooves, so that wind generated by the motor rotor of the motor assembly in the operation process is not easy to blow into the grooves to generate wind noise, and the wind noise can be reduced.

In addition, the washing machine according to the above embodiment of the present invention has the following additional technical features:

according to the washing machine provided by the embodiment of the invention, the wind shield assembly comprises a wind shield which is annular and is coaxial with the motor stator.

Further, a plurality of screw holes are formed in the periphery of the wind deflector at intervals, and the wind deflector is connected with the rear outer barrel through screws.

Optionally, the inner periphery of the wind deflector is formed with a plurality of relief grooves arranged at intervals.

Optionally, the wind deflector assembly further comprises: the wire harness fixing device is arranged on the wind shield and comprises an extending plate extending out of the periphery edge of the wind shield along the radial direction of the wind shield, and a buckle used for fixing a wire harness is formed on the extending plate.

Further, the buckle includes: a connection post connected with the extension plate and perpendicular to the extension plate; and the hook part is connected to the free end of the connecting column and is in an arc shape with an opening facing the extension plate.

Further, the catch includes two oppositely disposed and spaced apart, and the hook portions each extend toward an inner side of both of the catches.

According to a further embodiment of the present invention, a reinforcing rib is connected between the connecting column and the extension plate.

Optionally, a plurality of positioning ribs arranged at intervals are arranged on the extension plate, and a positioning groove corresponding to one hook is defined between two adjacent positioning ribs.

Specifically, the free end of the extension plate is connected with the rear tub screw.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a washing machine according to an embodiment of the present invention;

FIG. 2 is an enlarged fragmentary view of the encircled portion of FIG. 1;

FIG. 3 is a schematic view of a damper assembly in a washing machine according to an embodiment of the present invention;

fig. 4 is another schematic view of a washing machine according to an embodiment of the present invention, wherein a wind shield assembly is not provided at a rear tub;

FIG. 5 is a schematic view of a washing machine according to an embodiment of the present invention;

fig. 6 is an exploded view of a washing machine according to an embodiment of the present invention.

Reference numerals:

the washing machine 100 is provided with a washing machine,

the rear outer tub 1, the groove 11,

the motor assembly 2, the motor stator 21,

the wind deflector assembly 3, the wind deflector 31, the screw hole 311, the relief groove 312,

a wire harness fixing device 32, a buckle 321, a connecting column 3211, a hook portion 3212,

reinforcing rib 322, location rib 323, constant head tank 3231, bearing frame 4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The washing machine 100 according to an embodiment of the present invention is described in detail below with reference to fig. 1 to 6.

The washing machine 100 according to an embodiment of the present invention includes: rear outer barrel 1, bearing frame 4, motor element 2 and deep bead subassembly 3.

Specifically, the bottom wall of the rear outer tub 1 has a central through hole and a plurality of grooves 11 disposed around the central through hole. In other words, the bottom wall of the rear outer tub 1 has a central through hole and a plurality of grooves 11, and the plurality of grooves 11 may be disposed around the central through hole. The central through hole may be used for mounting the bearing housing 4.

The bearing housing 4 is mounted on the bottom wall of the rear outer tub 1, and the bearing housing 4 may be located inside the central through hole (e.g., a side adjacent to the center line of the central through hole).

The wind shield assembly 3 is arranged on the rear outer barrel 1, and the wind shield assembly 3 shields the plurality of grooves 11. For example, the wind shield assembly 3 may be mounted on a front side or a rear side of the rear tub 1. Therefore, wind generated by the motor rotor of the motor component 2 in the operation process is not easy to blow into the grooves 11 to generate wind noise, so that the wind shield assembly 3 can shield the grooves 11, and the wind noise caused by the wind generated by the motor component 2 can be reduced.

The motor assembly 2 is arranged at the bottom of the wind shield assembly 3. For example, in the assembling process of the washing machine 100, the wind shield assembly 3 may be first installed on the bottom wall of the rear tub 1, and the wind shield assembly 3 may shield the plurality of grooves 11; the motor assembly 2 is then connected to the bearing housing 4.

The motor assembly 2 comprises a motor stator 21, and the motor stator 21 is connected with the bearing block 4. For example, the motor stator 21 is screwed to the bearing housing 4, and a screw hole for mounting the motor stator 21 may be formed on the outer circumferential wall of the bearing housing 4, so that the motor assembly 2 can be easily mounted and dismounted. The motor assembly 2 may further include a motor rotor, and a driving force may be provided for the operation of the washing machine 100 through the motor assembly 2.

A gap along the axial direction of the rear outer tub 1 is formed between the motor stator 21 and the rear outer tub 1. That is, the motor stator 21 is spaced from the rear tub 1 in the axial direction of the rear tub 1, forming an axial gap.

According to the washing machine 100 of the embodiment of the invention, the wind shield assembly 3 is arranged on the rear outer barrel 1, and the wind shield assembly 3 shields the plurality of grooves 11, so that wind generated by the motor rotor of the motor assembly 2 in the operation process is not easy to blow into the grooves 11 to generate wind noise, and the wind noise can be reduced.

According to the washing machine 100 of the embodiment of the present invention, referring to fig. 1 and 3, the wind deflector assembly 3 includes the wind deflector 31, and the wind deflector 31 has a ring shape, so that the wind deflector 31 has a simple structure and is easy to manufacture. The wind shield 31 is coaxial with the motor stator 21, so that the assembly of the motor assembly 2, the wind shield 31 and the rear outer barrel 1 is convenient.

Of course, the wind deflector 31 may also have a polygonal shape such as a quadrangle, a hexagon, or the like. The specific shape of the wind deflector 31 can be adapted according to actual needs.

Further, referring to fig. 1 and 3, the outer peripheral edge of the wind deflector 31 is formed with a plurality of screw holes 311 arranged at intervals. In other words, the outer peripheral edge of the windshield 31 is formed with a plurality of screw holes 311 (e.g., three, five, etc.), and the plurality of screw holes 311 may be arranged at intervals along the outer peripheral edge of the windshield 31. The wind guard 31 is screwed to the rear outer tub 1. Therefore, the reliable connection between the wind shield assembly 3 and the rear outer barrel 1 is easy to realize, and the disassembly and the maintenance are convenient.

Of course, the wind guard 31 and the rear outer tub 1 may be connected by welding, bonding or clamping.

Alternatively, referring to fig. 3, the inner circumferential edge of the wind deflector 31 is formed with a plurality of relief grooves 312 arranged at intervals. That is, a plurality of the relief grooves 312 (e.g., six, etc.) are formed at the inner peripheral edge of the windshield 31, and the plurality of relief grooves 312 may be arranged at intervals at the inner peripheral edge of the windshield 31. Therefore, an avoiding space can be provided for the installation of the motor assembly 2 through the plurality of avoiding grooves 312, and the reliable connection between the wind shield assembly 3 and the motor assembly 2 is further convenient to realize.

Further, referring to fig. 1 and 3, the wind deflector 31 may have a plate shape, and the relief groove 312 is an arc-shaped groove recessed outward from the inner side of the wind deflector 31. Therefore, stress concentration can be reduced, the strength of the wind deflector 31 can be ensured, and the use reliability of the wind deflector 31 can be improved.

Optionally, with reference to fig. 1 and 2, the wind deflector assembly 3 further comprises: the wire harness fixing device 32 is arranged on the wind shield 31, the wire harness fixing device 32 comprises an extension plate extending out of the outer peripheral edge of the wind shield 31 along the radial direction of the wind shield 31, and a buckle 321 used for fixing the wire harness is formed on the extension plate. That is, the wire harness fixing device 32 includes an extension plate, the extension plate may protrude from the outer circumferential edge of the wind deflector 31 in the radial direction of the wind deflector 31, a catch 321 is formed on the extension plate, and the catch 321 may be used to fix the wire harness. The wire harness here may be a connection wire or the like of the motor assembly 2. From this, through design buckle 321, can fix the wire that motor stator 21 draws in buckle 321, need not to beat screw or wire and prick fixedly, make things convenient for production line staff's operation.

Further, referring to fig. 2, the catch 321 includes: a connecting column 3211 and a hook 3212, wherein the connecting column 3211 is connected to the extension plate, and the connecting column 3211 may be perpendicular to the extension plate; the hook portion 3212 is connected to a free end of the connecting post 3211, and the hook portion 3212 is arc-shaped with an opening facing the extension plate. Therefore, the wire harness can be limited to a certain extent through the hook portion 3212, and the wire harness can be fixed.

Further, in conjunction with fig. 2, the catches 321 include two oppositely disposed and spaced apart, and the hooks 3212 each extend toward the inner sides of the two catches 321. In other words, the catch 321 includes two, and the two catches 321 are oppositely arranged and spaced apart, and the hooks 3212 each extend toward the inner sides of the two catches 321. Therefore, through the matching of the two buckles 321, a matching groove can be formed between the two buckles 321, and the wiring harness can pass through the matching groove to be fixed on the buckles 321, so that the wiring harness can be better limited and is convenient to operate.

According to a further embodiment of the present invention, referring to fig. 2, a reinforcing rib 322 is connected between the connecting post 3211 and the extension plate. The reinforcing ribs 322 are beneficial to improving the strength of the wire harness fixing device 32 and improving the use reliability of the wind deflector assembly 3.

Optionally, referring to fig. 2, a plurality of positioning ribs 323 (e.g., three, four, etc.) are disposed on the extension plate at intervals, and a positioning groove 3231 corresponding to one hook 3212 is defined between two adjacent positioning ribs 323. That is, the extending plate is provided with a plurality of positioning ribs 323, the plurality of positioning ribs 323 are arranged at intervals, and a positioning groove 3231 may be defined between two adjacent positioning ribs 323, and one positioning groove 3231 corresponds to one hook 3212. The pencil can be structured through the positioning groove 3231, the pencil can be placed on the pencil fixing device 32 more smoothly, the pencil can be limited through the hook portion 3212, the use reliability of the pencil fixing device 32 is improved, the pencil is not required to be screwed or fixed, and the operation of production line workers is facilitated.

Specifically, the free end of the extension plate is screwed with the rear outer tub 1. Thus, the fixing between the rear outer barrel 1 and the extension plate is easy to realize, and the disassembly is convenient.

According to the washing machine 100 of the embodiment of the invention, the wind shield assembly 3 is arranged on the rear outer barrel 1, the wind shield assembly 3 is installed between the rear outer barrel 1 and the motor stator 21 through screws, the wind shield assembly 3 is fixed on the rear outer barrel 1, and the groove 11 on the rear outer barrel 1 can be shielded by the wind shield assembly 3. The wind noise generated during the operation of the motor assembly 2 is reduced.

Specifically, the wind deflector assembly 3 is designed to have a size corresponding to the groove 11 of the rear tub 1, for example, the radial size of the wind deflector assembly 3 may be substantially equal to the radial size of the portion of the rear tub 1 where the groove 11 is formed. The wind deflector assembly 3 is designed to cover the part of the groove 11 in a plane, so that wind noise generated by the rotation of the motor assembly 2 is reduced. On the other hand, the buckle 321 structure is designed on the wind shield assembly 3, so that the lead led out from the motor stator 21 is fixed in the buckle 321 without screwing or wire binding, and the operation of production line workers is facilitated.

Other configurations 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 herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A washing machine (100), characterized by comprising:

the rear outer barrel (1), the bottom wall of the rear outer barrel (1) is provided with a central through hole and a plurality of grooves (11) arranged around the central through hole;

the bearing seat (4) is mounted on the bottom wall of the rear outer barrel (1) and is positioned on the inner side of the central through hole;

a wind shield assembly (3), the wind shield assembly (3) being mounted on the rear outer tub (1), the wind shield assembly (3) shielding the plurality of grooves (11);

motor element (2), motor element (2) are established the bottom of windshield subassembly (3), motor element (2) include motor stator, motor stator with bearing frame (4) link to each other, motor stator with be formed with the edge between the outer bucket (1) of back axial clearance of outer bucket (1) of back.

2. The laundry machine (100) according to claim 1, characterized in that the wind deflector assembly (3) comprises a wind deflector (31), the wind deflector (31) being annular, the wind deflector (31) being coaxial with the motor stator (21).

3. The washing machine (100) according to claim 2, characterized in that the wind deflector (31) is formed with a plurality of screw holes (311) arranged at intervals along the outer circumference thereof, and the wind deflector (31) is screw-connected with the rear outer tub (1).

4. The washing machine (100) according to claim 2, characterized in that the inner circumference of the wind guard (31) is formed with a plurality of relief grooves (312) arranged at intervals.

5. The laundry machine (100) according to any one of claims 2-4, characterized in that the wind deflector assembly (3) further comprises:

the wire harness fixing device (32) is arranged on the wind shield (31), the wire harness fixing device (32) comprises an extending plate extending out of the outer peripheral edge of the wind shield (31) along the radial direction of the wind shield (31), and a buckle (321) used for fixing a wire harness is formed on the extending plate.

6. The laundry machine (100) according to claim 5, characterized in that the catch (321) comprises:

a connection post (3211), the connection post (3211) being connected to and perpendicular to the extension plate;

the hook portion (3212), the hook portion (3212) is connected to the free end of the connecting column (3211), and the hook portion (3212) is arc-shaped with an opening facing the extending plate.

7. The laundry machine (100) according to claim 6, characterized in that the catch (321) comprises two oppositely arranged and spaced apart and the hooks (3212) each extend towards an inner side of both catches (321).

8. The washing machine (100) according to claim 6, characterized in that a reinforcement rib (322) is connected between the connection column (3211) and the extension plate.

9. The washing machine (100) according to claim 6, characterized in that the extension plate is provided with a plurality of positioning ribs (323) arranged at intervals, and a positioning groove (3231) corresponding to one hook is defined between two adjacent positioning ribs.

10. The laundry machine (100) according to claim 6, characterized in that the free end of the extension plate is screwed with the rear outer tub (1).