CN219908203U

CN219908203U - Washing machine

Info

Publication number: CN219908203U
Application number: CN202320984411.3U
Authority: CN
Inventors: 刘迪; 崔维明; 姜鹏; 张士锋
Original assignee: Hisense Refrigerator Co Ltd
Current assignee: Hisense Refrigerator Co Ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2023-10-27
Anticipated expiration: 2033-04-26

Abstract

The utility model provides a washing machine. The washing machine comprises a washing barrel which is arranged in a shell, wherein an annular concave part is arranged at the bottom of the washing barrel, and a first convex part, a second convex part and a third convex part are arranged in the annular concave part; the balance ring is connected to the bottom of the washing barrel and comprises an annular protruding part which is connected in the annular concave part; the annular bulge comprises a first bulge surface extending along the axial direction of the balance ring and extension surfaces connected to two ends of the first bulge surface, and the extension surfaces extend along the radial direction of the balance ring; the plurality of first connecting holes are arranged on the first convex surface; the plurality of second connecting holes are arranged on the extension surface; at least two third connecting holes, a plurality of third connecting holes are arranged on the side surface of the balance ring, which is connected with the annular protruding part, and the second connecting holes and the third connecting holes are respectively arranged on two sides of the first connecting holes; the first protruding part is connected with the first connecting hole in a matching way, and the third protruding part is connected with the third connecting hole in a matching way; the second protruding part is connected with the second connecting hole in a matching way.

Description

Washing machine

Technical Field

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

Background

With the wide application of washing machines, a need for a balancing ring of a washing machine that is more firmly connected is raised.

In the prior art, the balance ring is fixedly connected to the bottom of the washing channel, and when the washing barrel rotates at a high speed, the balance ring can play a certain balance role on the washing barrel, so that the vibration amplitude of the rotation of the washing barrel in the height direction is reduced.

The connection between the balance ring and the tub is generally fastened by using bolts, and when the tub rotates at a high speed, the bolts and the balance ring are worn by friction, so that the balance ring is deformed, and further the connection between the tub and the balance ring is loosened, thereby generating noise when the tub is operated.

Besides using bolt fastening, the balancing ring made of plastic is usually installed into the metal annular insert of the washing barrel, and the metal annular insert can limit the balancing ring to a certain extent so as to reduce abrasion between the bolt and the plastic piece.

In addition to the bolt fastening, the prior art balance ring and the washing tub are riveted by riveting, but only the riveting still causes a loosening problem between the balance ring and the washing tub.

Disclosure of Invention

The present utility model solves at least one of the technical problems in the related art to a certain extent.

Therefore, the present utility model is directed to a washing machine, in which a first connection hole, a second connection hole, and a third connection hole are formed in a balancing ring, a depth direction of the first connection hole extends in a radial direction of the balancing ring, a depth direction of the second connection hole extends in an axial direction of the balancing ring, the second connection hole and the third connection hole are respectively formed at both sides of the first connection hole, and a depth direction of the third connection hole extends in a radial direction of the balancing ring, so that a limit is formed between the balancing ring and a washing tub in an up-down direction, a left-right direction, and a front-rear direction, so that fixing between the balancing ring and the washing tub is more stable.

The washing machine according to the present utility model includes:

a housing;

the washing barrel is arranged in the shell, an annular concave part is arranged at the bottom of the washing barrel, and a first convex part, a second convex part and a third convex part are arranged in the annular concave part;

the balance ring is connected to the bottom of the washing barrel and comprises an annular protruding part which is connected in the annular concave part;

the annular bulge comprises a first bulge surface extending along the axial direction of the balance ring and extension surfaces connected to two ends of the first bulge surface, and the extension surfaces extend along the radial direction of the balance ring;

the first connecting holes are arranged on the first protruding surface, and the depth direction of the first connecting holes extends along the radial direction of the balance ring;

the second connecting holes are arranged on the extension surface, and the depth direction of the second connecting holes extends along the axial direction of the balance ring;

the second connecting holes and the third connecting holes are respectively arranged at two sides of the first connecting holes, and the depth direction of the second connecting holes extends along the radial direction of the balance ring;

the first bulge part is connected with the first connecting hole in a matching way, and the third bulge part is connected with the third connecting hole in a matching way, so that the balance ring and the washing barrel are fixed in relative positions along the axial direction of the balance ring;

the second bulge is connected with the second connecting hole in a matching way so as to ensure that the balance ring and the washing barrel keep the relative position fixed along the radial direction of the balance ring.

In some embodiments of the present utility model, a refrigerator includes a top plate and a base, which are respectively connected to the top and bottom of a case;

the annular recess includes a first recess corner adjacent the top plate, the first recess corner not less than 90 °;

the annular bulge comprises a first bulge corner close to the top plate, and the first bulge corner is correspondingly connected to the inside of the first recess corner.

In some embodiments of the present utility model, the first protruding surface is a cylindrical annular structure, the plurality of first connection holes are located on the same plane of the balance ring, and the plurality of first connection holes are arranged in a circular array on the first protruding surface.

In some embodiments of the present utility model, the extension plane is an annular structure, the plurality of second connection holes are located on the same plane of the balance ring, and the plurality of second connection holes are arranged in a circular array on the extension plane.

In some embodiments of the utility model, the side of the balancing ring that connects with the annular projection is defined as the mounting side, which is an annular cylindrical structure;

the third connecting holes are distributed in a circular array on the mounting side face.

In some embodiments of the present utility model, the washing tub includes a mounting portion coupled to the balance ring, the mounting portion being coupled to an outer side of the balance ring, the mounting portion being formed with an annular recess including a first coupling surface, a second coupling surface, and a third coupling surface, the first coupling surface being coupled to a corresponding position of the outer side of the first protruding surface, the second coupling surface and the third coupling surface being coupled to a corresponding position of the outer side of the extension surface.

In some embodiments of the present utility model, the first protruding portion is located on the first connecting surface, the first connecting surface is an annular curved surface, the plurality of first protruding portions are arranged in a circular array on the annular curved surface, and the shape and the position of the first protruding portion are matched with the shape and the position of the first connecting hole.

In some embodiments of the present utility model, an inner side surface defining a connection between the mounting portion and the annular recess portion is a first mounting inner side surface, the second protruding portion is disposed on the first mounting inner side surface, and the second protruding portion is arranged in a circular array on the first mounting inner side surface.

In some embodiments of the present utility model, the second connection surface is located on a side of the first connection surface near the base, the second connection surface is an annular surface, and the third protrusions are arranged on the second connection surface in a circular array.

In some embodiments of the utility model, the balancing ring is provided with a boss, the annular protruding part is arranged on the boss, the mounting part is provided with a containing part, the boss is correspondingly connected in the containing part, the boss is provided with a first bending angle, the containing part is provided with a second bending angle, and the first bending angle is connected inside the second bending angle.

The utility model has at least the following positive effects:

the utility model provides a washing machine. The washing machine comprises a washing barrel which is arranged in a shell, wherein an annular concave part is arranged at the bottom of the washing barrel, and a first convex part, a second convex part and a third convex part are arranged in the annular concave part; the balance ring is connected to the bottom of the washing barrel and comprises an annular protruding part which is connected in the annular concave part; the annular bulge comprises a first bulge surface extending along the axial direction of the balance ring and extension surfaces connected to two ends of the first bulge surface, and the extension surfaces extend along the radial direction of the balance ring; the plurality of first connecting holes are arranged on the first convex surface; the plurality of second connecting holes are arranged on the extension surface; at least two third connecting holes, a plurality of third connecting holes are arranged on the side surface of the balance ring, which is connected with the annular protruding part, and the second connecting holes and the third connecting holes are respectively arranged on two sides of the first connecting holes; the first protruding part is connected with the first connecting hole in a matching way, and the third protruding part is connected with the third connecting hole in a matching way; the second bulge is connected with the cooperation of second connecting hole, through set up first connecting hole, second connecting hole and third connecting hole on the balancing ring, the radial extension of balancing ring is followed to the degree of depth direction in first connecting hole, the axial extension of balancing ring is followed to the degree of depth direction in second connecting hole, the both sides of first connecting hole are located respectively to second connecting hole and third connecting hole, the radial extension of balancing ring is followed to the degree of depth direction in third connecting hole, in order to make between balancing ring and the washing bucket all form spacingly in upper and lower direction, left and right directions and the front and back direction, in order to make fixed more stable between balancing ring and the washing bucket.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a view showing an external appearance of a balance ring and a tub of a washing machine according to an embodiment of the present utility model;

fig. 2 is a view of a balancing ring of a washing machine according to an embodiment of the present utility model;

fig. 3 is a cross-sectional view of a balance ring and a tub of a washing machine according to an embodiment of the present utility model;

fig. 4 is an enlarged view a in fig. 3;

fig. 5 is a partial view of a balancing ring of a washing machine according to an embodiment of the present utility model;

fig. 6 is a cross-sectional view of a balance ring and a tub of a washing machine according to an embodiment of the present utility model engaged;

fig. 7 is an enlarged view B in fig. 6;

fig. 8 is a partial view of a connection of a balance ring and a tub of a washing machine according to an embodiment of the present utility model;

fig. 9 is a partial view of an annular recess of a tub of a washing machine according to an embodiment of the present utility model;

fig. 10 is a view of a balancing ring of a washing machine according to an embodiment of the present utility model;

fig. 11 is an enlarged view C in fig. 10;

fig. 12 is a view of a balancing ring of a washing machine according to an embodiment of the present utility model;

fig. 13 is a view of a balancing ring of a washing machine according to an embodiment of the present utility model;

fig. 14 is an enlarged view D in fig. 13;

in the above figures:

100. a washing machine; 1. a housing; 2. a washing tub; 21. an annular recessed portion; 211. a first projection; 212. a second projection; 213. a first recess corner; 214. a first connection surface; 215. a second connection surface; 216. a third connection surface; 22. a mounting part; 22. a first mounting inner side; 221. a third projection; 3. a balance ring; 31. an annular projection; 311. a first convex surface; 312. an extension surface; 313. a first connection hole; 314. a second connection hole; 315. a first lobe corner; 32. a mounting side; 321. a third connection hole; 41. a top plate; 42. a base; 43. and (5) a throwing port.

Detailed Description

The present utility model will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present utility model, it should be understood that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model 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 utility model.

The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any particular number of features being indicated. Thus, a feature defining "a first", "a second" or the like may include one or more such features explicitly or implicitly.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 14, with the wide application of the washing machine, the washing machine has become a main household appliance for reducing the burden of washing, but in the use process, a washing tub 2 for washing laundry is provided inside the washing machine, and as the number of washed laundry increases, the center of mass of the washing tub 2 is affected by the laundry in the rotation process of the inner tub of the washing machine, and is easily deviated, so that the inner tub shakes in the rotation process, and noise is generated, and even the inner tub collides with the housing 100 of the washing machine in the rotation process, so that the housing 100 or the washing tub 2 of the washing machine is damaged, and the maintenance cost is increased.

The washing machine of the present utility model is provided with the balance ring 3 at the bottom of the washing tub 2, and the balance ring 3 can limit the bottom of the washing tub 2 by the weight of the balance ring 3, so that the washing tub 2 can more stably rotate in the housing 100, thereby reducing the degree of movement of the washing tub 2 in the height direction, and reducing the amplitude of the shaking of the washing tub 2 from side to side, so as to reduce the probability of collision of the washing tub 2 with the housing 100.

With the widespread use of washing machines, a higher demand is placed on the stability of the fixed connection of the balancing ring 3.

The utility model provides a washing machine, which comprises a shell 100 and a washing barrel 2, wherein the shell 100 is arranged at the outermost side of the washing machine and is used for isolating the internal components of the washing machine from the external environment. The casing 100 is provided with a washing tub 2 therein, the washing tub 2 can be used for receiving laundry to be washed, the washing tub 2 includes an outer tub and an inner tub, and the outer tub and the inner tub can rotate relative to each other, so that the laundry in the washing tub 2 can be spin-dried or vibration-cleaned.

The washing machine comprises a top plate 41 and a base 42, wherein the top plate 41 is connected to the top of the washing machine, the base 42 is connected to the bottom of the washing machine, the extending direction of the washing machine between the top plate 41 and the base 42 is a height direction, and the height direction is the up-down direction of the washing machine. The top plate 41 is provided with a door body that can be opened to open a clothes inlet of the washing machine.

The housing 100 of the washing machine includes a front side surface and a rear side surface, a console is provided on the top plate 41, the front side surface is disposed close to the console, and the rear side surface is disposed away from the console.

The washing machine further includes a first housing 100 side and a second housing 100 side connected between the front side and the rear side cotton, the first housing 100 side and the second housing 100 side being disposed opposite to each other.

The longitudinal direction of the casing 100 defining the washing machine between the front side and the rear side is the longitudinal direction of the washing machine, that is, the longitudinal direction of the washing machine is the front-rear direction of the washing machine, the direction defining the front side is the front side of the washing machine, and the direction defining the rear side is the rear side of the washing machine.

The width direction of the casing 100 defining the washing machine between the first casing 100 side and the second casing 100 side is the width direction of the washing machine, that is, the width direction of the washing machine is the left-right direction of the washing machine, the direction in which the first casing 100 side is defined as the left side of the washing machine, and the direction in which the second casing 100 side is defined as the rear side of the washing machine.

The bottom of the washing tub 2 is provided with an annular recess 21, and a first protrusion 211, a second protrusion 212, and a third protrusion 221 are provided in the annular recess 21.

Specifically, the opening of the annular recess 21 faces the inside of the washing tub 2, the annular recess 21 is cylindrical, and the first protrusion 211, the second protrusion 212, and the third protrusion 221 inside the annular recess 21 may be provided, and the first protrusion 211, the second protrusion 212, and the third protrusion 221 are cylindrical structures.

The balance ring 3 is connected to the bottom of the washing tub 2, so that the device formed by the washing tub 2 and the balance ring 3 together has a center of mass closer to the base 42 during rotation, so that the washing tub 2 rotates more stably. The gimbal 3 includes an annular projection 31, and the annular projection 31 is connected within the annular recess 21.

The annular projection 31 includes a first projection surface 311 extending in the axial direction of the gimbal 3, and extension surfaces 312 connected to both ends of the first projection surface 311, the extension surfaces 312 extending in the radial direction of the gimbal 3.

Specifically, the first protruding surface 311 extends in the up-down direction, two extending surfaces 312 are provided, the two extending surfaces 312 are respectively connected to the up-down ends of the first protruding surface 311, and the extending surfaces 312 extend in the radial direction of the gimbal 3. The extension surface 312 is directly connected to the outer surface of the gimbal 3.

The annular protruding part and the body of the balance ring 3 are integrally formed, so that the processing steps of the annular protruding part can be reduced, and the annular protruding part is not required to be connected with the balance ring 3. The balance ring 3 can be made of plastic or rubber.

The balance ring 3 is provided with a first connection hole 313, a first second connection hole and a third connection hole 321 for connection with the tub 2.

The number of the first connection holes 313 is at least two, the plurality of first connection holes 313 are arranged on the first protruding surface 311, and the depth direction of the first connection holes 313 extends along the radial direction of the balance ring 3.

The number of the second connecting holes 314 is at least two, a plurality of the second connecting holes 314 are arranged on the extension surface 312, and the depth direction of the second connecting holes 314 extends along the axial direction of the balance ring 3.

The number of the third connecting holes 321 is at least two, a plurality of third connecting holes 321 are arranged on the side surface of the balance ring 3 connected with the annular protruding part 31, the second connecting holes 314 and the third connecting holes 321 are respectively arranged on two sides of the first connecting hole 313, and the depth direction of the second connecting holes 314 extends along the radial direction of the balance ring 3.

The first protrusion 211 is coupled to the first coupling hole 313 in a mating manner, and the third protrusion 221 is coupled to the third coupling hole 321 in a mating manner, so that the balance ring 3 and the tub 2 are fixed in a relative position in the axial direction of the balance ring 3.

Specifically, the first protrusion 211 is coupled inside the first coupling hole 313, the third protrusion 221 is coupled inside the third coupling hole 321, and the depth direction of the first coupling hole 313 is along the radial direction of the balance ring 3, so that the first protrusion 211 can be limited inside the first coupling hole 313, and the third protrusion 221 is coupled inside the third coupling hole 321, thereby limiting the balance ring 3 and the tub 2 in the up-down direction such that the balance ring 3 and the tub 2 cannot move relatively in the up-down direction.

The second protrusion 212 is coupled with the second coupling hole 314 to maintain the relative position of the balance ring 3 and the tub 2 in the radial direction of the balance ring 3.

Specifically, the depth direction of the second connection hole 314 is an up-down direction, and when the second protrusion 212 is connected inside the second connection hole 314, the second connection hole 314 can form a limit for the second protrusion 212 such that displacement in the left-right direction or the front-rear direction is not generated between the second protrusion 212 and the second connection hole 314.

The washing machine of the present utility model enables the balance ring 3 and the washing tub 2 to form a limit in the up-down direction, the left-right direction and the front-rear direction by providing the first protrusion 211, the second protrusion 212 and the third protrusion 221 on the washing tub 2 and providing the corresponding first connection hole 313, second connection hole 314 and third connection hole 321 on the balance ring 3.

In the prior art, the connection between the balance ring 3 and the washing tub 2 is usually fastened by using bolts, and when the washing tub 2 rotates at a high speed, the bolts and the balance ring 3 are worn by friction, so that the balance ring 3 deforms, and the connection between the washing tub 2 and the balance ring 3 is loosened, thereby generating noise when the washing tub 2 operates. Besides using bolt fastening, the plastic balance ring 3 is usually installed into the metal annular insert of the washing tub 2, and the metal annular insert can limit the balance ring 3 to a certain extent, so that abrasion between the bolts and the plastic parts is reduced, and the metal annular insert is easily separated from the balance ring 3, so that looseness is generated between the balance ring 3 and the washing tub 2. In addition to the bolt fastening, the prior art balance ring 3 and the tub 2 are fastened by caulking, but the fastening by caulking alone still causes a problem of loosening between the balance ring 3 and the tub 2.

Compared with the prior art, the balance ring 3 is provided with the annular protruding part 31, the washing barrel 2 is provided with the annular concave part 21, and the annular protruding part 31 is connected with the annular concave part 21, so that limit is formed between the balance ring 3 and the washing barrel 2. In addition, the balance ring 3 is provided with a first connection hole 313, a second connection hole 314, and a third connection hole 321, wherein the first connection hole 313 is connected with the first protrusion 211, the third protrusion 221 is connected with the third connection hole 321, the first connection hole 313 and the third connection hole 321 can limit the movement between the balance ring 3 and the washing tub 2 in the up-down direction, the second connection hole 314 is connected with the second protrusion 212, and the second connection hole 314 can limit the movement between the balance ring 3 and the washing tub 2 in the left-right direction or the front-back direction. The balance ring 3 and the washing barrel 2 form limit in multiple directions, and compared with the prior art, the utility model has obvious advantages that only the protruding ribs or rivets are adopted for carrying out.

In some embodiments of the present utility model, the refrigerator includes a top plate 41 and a base 42, and the top plate 41 and the base 42 are respectively connected to the top and bottom of the case 100.

The annular recess 21 includes a first recess corner 213 adjacent the top plate 41, the first recess corner 213 being no less than 90 °. The annular projection 31 includes a first projection corner 315 adjacent the top plate 41, the first projection corner 315 being no greater than 90 °, the first projection corner 315 correspondingly connected inside the first recess corner 213.

Specifically, since the angle of the first recess corner 213 of the annular recess 21 is not smaller than the angle of the first projection corner 315, the annular projection 31 can be more easily installed in the annular recess 21, and the installation is more convenient.

It should be noted that, when the annular recess 21 is a sheet metal part and the angle of the first recess corner 213 is not 90 degrees, the extrusion force between the annular recess 21 and the annular protrusion 31 can be transferred more stably, so that the probability of breakage of the annular recess 21 due to the stress generated by extrusion between the annular recess 21 and the annular protrusion 31 is reduced.

In some embodiments of the present utility model, the first protruding surface 311 is a cylindrical annular structure, the plurality of first connection holes 313 are located on the same plane of the gimbal 3, and the plurality of first connection holes 313 are arranged in a circular array on the first protruding surface 311.

Specifically, the first protruding surface 311 has a height extending in the up-down direction, the first protruding surface 311 is the most protruding surface of the annular protruding portion 31, the first connecting hole 313 is provided on the first protruding surface 311, and the corresponding first protruding portion 211 on the washing tub 2 is connected to the first connecting hole 313, so that positioning between the first protruding portion 211 and the first connecting hole 313 on the washing tub 2 can be facilitated.

The plurality of first connection holes 313 are arranged in a circular array on the first protruding surface 311, so that the stress between the first connection holes 313 and the first protruding portions 211 is more uniform, the first connection holes 313 can limit the first protruding portions 211, the probability of unstable connection between the balance ring 3 and the washing tub 2 due to uneven stress is reduced, and the probability of damage to the balance ring 3 and the washing tub 2 at the connection position due to stress concentration is reduced.

In some embodiments of the present utility model, the extension plane is an annular structure, the plurality of second connection holes 314 are located on the same plane of the gimbal 3, and the plurality of second connection holes 314 are arranged in a circular array on the extension plane.

Specifically, there are two extension planes, which are respectively connected to the upper and lower ends of the first protruding surface 311, and it should be noted that only one extension plane of the two extension planes is provided with the second connection hole 314.

In some embodiments, the second connecting hole 314 is disposed on an extension plane near the base 42, and the third connecting hole 321 is disposed on a side of the first connecting hole 313 near the top plate 41, so that the stress of the gimbal 3 is more balanced.

The plurality of second connection holes 314 are arranged in a circular array on the extension plane, so that the stress between the second connection holes 314 and the second protruding portions 212 is more uniform, the second connection holes 314 can limit the second protruding portions 212, the probability of insufficient stable connection between the balance ring 3 and the washing tub 2 caused by uneven stress is reduced, and the probability of damage to the balance ring 3 and the washing tub 2 at the connection position caused by stress concentration is reduced.

In some embodiments of the present utility model, the side of the gimbal 3 connected to the annular projection 31 is defined as a mounting side 32, and the mounting side 32 is an annular cylindrical structure.

The third protrusion 221 is connected inside the third connection hole 321, and the third connection holes 321 are arranged in a circular array on the installation side 32, so as to reduce the probability of insufficient connection between the balance ring 3 and the washing tub 2 due to uneven stress, and reduce the probability of damage to the balance ring 3 and the washing tub 2 at the connection position due to stress concentration.

In some embodiments of the present utility model, the washing tub 2 includes a mounting part 22 engaged with the balance ring 3, the mounting part 22 is coupled to the outside of the balance ring 3, an annular recess is formed on the mounting part 22, the annular recess includes a first coupling surface 214, a second coupling surface 215, and a third coupling surface 216, the first coupling surface 214 is coupled to a corresponding position on the outside of the first protruding surface 311, and the second coupling surface 215 and the third coupling surface 216 are coupled to a corresponding position on the outside of the extension surface 312.

In some embodiments of the present utility model, the first protruding portion 211 is located on the first connecting surface 214, the first connecting surface 214 is an annular curved surface, the plurality of first protruding portions 211 are arranged in a circular array on the annular curved surface, and the shape and the position of the first protruding portion 211 and the shape and the position of the first connecting hole 313 are matched, so that the first protruding portion 211 can be stably connected with the first connecting hole 313.

In some embodiments of the present utility model, the inner side surface defining the connection between the mounting portion 22 and the annular recess is a first mounting inner side surface 222, and the second protruding portion 212 is disposed on the first mounting inner side surface 222, and the second protruding portions 212 are arranged in a circular array on the first mounting inner side surface 222, so that a stable connection between the second protruding portion 212 and the second connection hole 314 is achieved.

In some embodiments of the present utility model, the second connecting surface 215 is located on a side of the first connecting surface 214 near the base 42, the second connecting surface 215 is an annular surface, and the third protruding portions 221 are arranged on the second connecting surface 215 in a circular array, so as to stably connect between the third protruding portions 221 and the third connecting holes 321.

In some embodiments of the present utility model, the balancing ring 3 is provided with a boss, the annular protruding portion 31 is provided on the boss, the mounting portion 22 is provided with a receiving portion, the boss is correspondingly connected in the receiving portion, the boss is provided with a first bending angle, the receiving portion is provided with a second bending angle, and the first bending angle is connected inside the second bending angle.

It should be noted that, the connection between the balance ring 3 and the washing tub 2 forms a limit between the boss and the accommodating portion, so that the stability of the fixed connection between the balance ring 3 and the washing tub 2 can be further enhanced.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A washing machine, comprising:

a housing;

the balance ring is connected to the bottom of the washing barrel and comprises an annular protruding part, and the annular protruding part is connected in the annular concave part;

the first connecting holes are arranged on the first protruding surface, and the depth direction of each first connecting hole extends along the radial direction of the balance ring;

the second connecting holes are arranged on the extending surface, and the depth direction of the second connecting holes extends along the axial direction of the balance ring;

the second connecting holes and the third connecting holes are respectively arranged on two sides of the first connecting hole, and the depth direction of the third connecting holes extends along the radial direction of the balance ring;

the first protruding part is in fit connection with the first connecting hole, and the third protruding part is in fit connection with the third connecting hole, so that the balance ring and the washing barrel can keep the relative position fixed along the axial direction of the balance ring;

the second protruding part is connected with the second connecting hole in a matching way, so that the balance ring and the washing barrel keep the relative position fixed along the radial direction of the balance ring.

2. The washing machine as claimed in claim 1, wherein the washing machine includes a top plate and a base, which are respectively connected to the top and bottom of the housing;

the annular recess includes a first recess corner proximate the top plate, the first recess corner not less than 90 °;

3. The washing machine as claimed in claim 1, wherein the first protruding surface is a cylindrical ring structure, the plurality of first connection holes are located on the same plane of the balancing ring, and the plurality of first connection holes are arranged in a circular array on the first protruding surface.

4. The washing machine as claimed in claim 1, further comprising two extension planes, wherein the two extension planes are respectively connected to two ends of the first protruding surface, the extension planes are in a ring structure, the plurality of second connection holes are located on the same plane of the balancing ring, and the plurality of second connection holes are arranged in a circular array on the extension planes.

5. The washing machine as claimed in claim 1, wherein a side of the balance ring connected to the annular projection is defined as a mounting side, the mounting side being an annular cylindrical structure;

the third connecting holes are distributed on the mounting side face in a circular array.

6. The washing machine as claimed in claim 1, wherein the washing tub includes a mounting portion coupled to the balance ring, the mounting portion being coupled to an outer side of the balance ring, the mounting portion being formed with an annular recess including a first coupling surface, a second coupling surface, and a third coupling surface, the first coupling surface being coupled to a corresponding position of an outer side of the first protruding surface, and the second coupling surface and the third coupling surface being coupled to a corresponding position of an outer side of the extension surface.

7. The washing machine as claimed in claim 6, wherein the first protrusion is located on the first connection surface, the first connection surface is an annular curved surface, the plurality of first protrusions are arranged in a circular array on the annular curved surface, and the shape and position of the first protrusion are matched with the shape and position of the first connection hole.

8. The washing machine as claimed in claim 6, wherein an inner side surface defining the connection of the mounting portion and the annular recess portion is a first mounting inner side surface, the second protruding portion is disposed on the first mounting inner side surface, and the second protruding portions are arranged in a circular array on the first mounting inner side surface.

9. The washing machine as claimed in claim 6, wherein the washing machine includes a top plate and a base, which are respectively connected to the top and bottom of the housing; the second connecting surface is positioned on one side of the first connecting surface, which is close to the base, the second connecting surface is an annular surface, and the third protruding parts are arranged on the second connecting surface in a circular array.

10. The washing machine as claimed in claim 6, wherein the balancing ring is provided with a boss, the annular protrusion is provided on the boss, the mounting portion is provided with a receiving portion, the boss is correspondingly connected in the receiving portion, the boss is provided with a first bending angle, the receiving portion is provided with a second bending angle, and the first bending angle is connected in the second bending angle.