CN215628810U

CN215628810U - Clothes treating apparatus

Info

Publication number: CN215628810U
Application number: CN202120375976.2U
Authority: CN
Inventors: 张颖; 张伟; 周震东; 张海博; 周宁波
Original assignee: Wuxi Little Swan Electric Co Ltd
Current assignee: Wuxi Little Swan Electric Co Ltd
Priority date: 2021-02-18
Filing date: 2021-02-18
Publication date: 2022-01-25
Anticipated expiration: 2031-02-18

Abstract

The utility model relates to a clothes treatment device, which comprises an outer barrel and a motor, wherein the outer barrel is provided with a bearing seat for an inner barrel driving shaft to pass through, at least part of the bearing seat extends out from the rear end of the outer barrel, the rear end of the outer barrel is provided with a limiting bulge, and the limiting bulge is wrapped on the periphery of the bearing seat along the circumferential direction of the bearing seat; the motor comprises a stator, and the stator is sleeved on the limiting bulge and connected with the rear end of the outer barrel. According to the clothes treatment equipment provided by the utility model, the limiting bulge is arranged at the rear end of the outer barrel, so that the stator can be sleeved on the limiting bulge, and therefore, the radial limiting is provided for the installation of the stator by the limiting bulge, the installation of the stator is convenient, and the dislocation between the stator and the outer barrel is prevented; on the basis, the stator is connected with the rear end of the outer barrel, so that the stability of the stator is ensured, and the dislocation between the stator and the outer barrel is prevented, thereby improving the washing effect of the clothes treatment equipment.

Description

Clothes treating apparatus

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to clothes treatment equipment.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

A laundry treating apparatus, which is one of home appliances commonly used in daily life, generally includes a washing apparatus, a drying apparatus, and a washing and drying integrated apparatus, wherein the washing apparatus generally includes a pulsator type laundry treating apparatus and a drum type laundry treating apparatus.

The existing drum-type laundry treatment equipment drives a drum through a motor, the laundry is washed by utilizing generated friction force, the motor is generally connected with an outer drum through connecting pieces such as screws, but the motor and the outer drum are inconvenient to locate in the installation process, and the screws between the motor and the outer drum are easy to loosen in the working process of the laundry treatment equipment, so that the motor and the outer drum are easy to misplace, the transmission ratio of the motor is reduced, and the washing effect of the laundry treatment equipment is finally influenced.

Therefore, the conventional laundry treating apparatus has a problem of poor washing effect due to misalignment of the motor and the tub.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve the problem of poor washing effect of the existing clothes treatment equipment caused by the dislocation of the motor and the outer barrel. The purpose is realized by the following technical scheme:

the present invention provides a laundry treating apparatus, comprising:

the outer barrel is provided with a bearing seat for an inner barrel driving shaft to pass through, at least part of the bearing seat extends out of the rear end of the outer barrel, and the rear end of the outer barrel is provided with a limiting bulge which is wrapped on the periphery of the bearing seat along the circumferential direction of the bearing seat;

the motor comprises a stator, and the stator is sleeved on the limiting bulge and connected with the rear end of the outer barrel.

According to the clothes treatment equipment provided by the embodiment of the utility model, the limiting bulge is arranged at the rear end of the outer barrel, so that when the stator of the motor is connected with the outer barrel, the stator can be sleeved on the limiting bulge, namely, the inner circumferential surface of the stator is matched with the outer circumferential surface of the limiting bulge, therefore, the limiting bulge provides radial limiting for the installation of the stator, the installation of the stator is convenient, and the dislocation between the stator and the outer barrel is prevented; on this basis, the stator is connected with the rear end of outer bucket, and when the motor during operation, the stability of stator can be guaranteed to the cooperation between spacing arch and the stator and the rear end of outer bucket and being connected between the stator to prevent to produce the dislocation between stator and the outer bucket, improved clothes treatment facility's washing effect. Therefore, the clothes treatment device provided by the embodiment reduces the possibility of generating dislocation during installation and operation, and solves the problem of poor washing effect caused by dislocation of the motor and the outer barrel.

In addition, the clothes treatment equipment provided by the embodiment of the utility model can also have the following technical characteristics:

in some embodiments of the utility model, the rear end surface of the bearing seat is flush with the rear end surface of the limit projection.

In some embodiments of the present invention, the stopper protrusion is provided in a cylindrical shape, and an outer diameter of the stopper protrusion is equal to an inner diameter of the stator.

In some embodiments of the present invention, a plurality of first screw holes are formed in the stator, a plurality of second screw holes are formed in a rear end surface of the outer tub, and the first screw holes and the second screw holes are connected by screw posts.

In some embodiments of the utility model, a plurality of the first screw holes are evenly arranged around a center of the stator.

In some embodiments of the present invention, at least one first positioning structure is disposed on a side of the stator facing the outer tub, and a second positioning structure matched with the first positioning structure is disposed on the outer tub, and the number of the second positioning structures is equal to that of the first positioning structures.

In some embodiments of the present invention, the first positioning structure is a first positioning hole, the second positioning structure is a second positioning hole, and the first positioning hole and the second positioning hole are connected by a positioning post.

In some embodiments of the present invention, the bearing housing is coupled in the outer tub by injection molding.

In some embodiments of the present invention, an oil seal, a first bearing and a second bearing are further disposed in the outer tub, and the oil seal, the first bearing and the second bearing are mounted on the bearing housing and respectively engaged with the inner tub driving shaft.

In some embodiments of the present invention, the laundry treating apparatus further comprises a tripod in the outer tub and connected to the inner tub driving shaft.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like parts are designated by like reference numerals throughout the drawings.

In the drawings:

fig. 1 is a partial structural schematic view of a laundry treating apparatus according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged schematic view at B of FIG. 2;

FIG. 4 is a schematic structural view of a stator in the laundry treating apparatus of FIG. 1;

FIG. 5 is a top view of the stator shown in FIG. 4;

fig. 6 is a schematic view of a rear end surface of an outer tub in the laundry treating apparatus according to the embodiment of the present invention.

The reference symbols in the drawings denote the following:

100. an outer tub;

110. a limiting bulge; 120. a screw post; 130. a first positioning hole;

101. a bearing seat; 102. oil sealing; 103. a first bearing; 104. a second bearing;

300. a stator; 310. a first screw hole; 320. and a positioning column.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The existing drum type laundry treating apparatus washes laundry using a frictional force generated by driving a drum by a motor, which is generally coupled to a tub by screws, but during installation or operation, because the stator and the outer barrel of the motor are easy to generate dislocation to influence the matching of the stator and the rotor of the motor, and may increase vibration and noise during the operation of the motor, and cause a reduction in the gear ratio of the motor, affect the washing effect of the laundry treating apparatus, therefore, the clothes treatment equipment provided by the embodiment of the utility model not only facilitates the installation of the stator by arranging the limiting bulge at the rear end of the outer barrel and utilizing the matching of the limiting bulge and the stator of the motor to provide radial positioning for the installation of the stator, and the possibility of dislocation generated during installation and operation is reduced, thereby solving the problem of poor washing effect caused by dislocation of the motor and the outer barrel.

As shown in fig. 1 to 6, an embodiment of the present invention provides a clothes treating apparatus, which includes an outer tub 100 and a motor, wherein the outer tub 100 is provided with a bearing seat 101 for an inner tub driving shaft to pass through, at least a portion of the bearing seat 101 extends from a rear end of the outer tub 100, the rear end of the outer tub 100 is provided with a limiting protrusion 110, and the limiting protrusion 110 is wrapped on the periphery of the bearing seat 101 along a circumferential direction of the bearing seat 101; the motor includes a stator 300, and the stator 300 is fitted over the stopper protrusion 110 and connected to the rear end of the outer tub 100.

In the laundry treating apparatus of the present embodiment, the limiting protrusion 110 is disposed at the rear end of the outer tub 100, so that the stator 300 of the motor can be sleeved on the limiting protrusion 110 when being connected with the outer tub 100, that is, the inner circumferential surface of the stator 300 is matched with the outer circumferential surface of the limiting protrusion 110, and therefore, the limiting protrusion 110 provides radial limitation for the installation of the stator 300, which facilitates the installation of the stator 300 and prevents the stator 300 and the outer tub 100 from being misaligned; on this basis, the stator 300 is connected with the rear end of the outer tub 100, and when the motor operates, the stability of the stator 300 can be ensured by the cooperation between the position-limiting protrusion 110 and the stator 300 and the connection between the rear end of the outer tub 100 and the stator 300, thereby preventing the displacement between the stator 300 and the outer tub 100 and improving the washing effect of the laundry treating apparatus. Therefore, the laundry treating apparatus according to the present embodiment reduces the possibility of misalignment during installation and operation, and solves the problem of poor washing performance due to misalignment of the motor with the tub 100.

The laundry processing apparatus according to the embodiment of the present invention may specifically be a drum washing machine, the drum washing machine includes a box, an inner tub, a door seal (not shown in the figure) and an outer tub 100, the outer tub 100 is disposed in the box, the inner tub is disposed in the outer tub 100, the outer tub 100 includes a front tub and a rear tub connected with each other, wherein a tub opening of the front tub is connected with the door seal, the rear tub is connected with one end of the front tub away from the door seal, it should be noted that, in the present embodiment, a rear end of the outer tub 100 refers to one end of the rear tub away from the front tub, a front-rear orientation in the present embodiment is a front direction of the door seal in the laundry processing apparatus, and one end of the outer tub 100 away from the door seal is a rear direction, i.e., the front-rear orientation shown in fig. 2, and the motor is mounted at the rear end of the outer tub 100 in the present embodiment.

Specifically, as shown in fig. 1 to 3, an inner tub driving shaft is provided on the inner tub, one end of the inner tub driving shaft is connected to the inner tub main body, and the other end thereof extends out of the outer tub 100 to be connected to a motor, the inner tub driving shaft is driven by the motor to rotate, and the inner tub driving shaft drives the inner tub to rotate to perform laundry processing such as washing and spin-drying. In this embodiment, the outer tub 100 is provided therein with a bearing seat 101 for the inner tub driving shaft to pass through, and specifically, the bearing seat 101 is located between the rear end of the inner tub and the outer tub 100, and the bearing seat 101 is used for providing support for the inner tub driving shaft.

Further, the bearing seat 101 is also provided with a bearing, a sealing element and other components, and the bearing seat 101, the bearing and other components are used for supporting the inner barrel driving shaft, so that the friction coefficient of the inner barrel driving shaft in the rotating process is reduced, and the rotation precision of the inner barrel driving shaft is ensured. In some embodiments of the present invention, as shown in fig. 2 and 3, an oil seal 102, a first bearing 103 and a second bearing 104 are provided in the outer tub 100, and the oil seal 102, the first bearing 103 and the second bearing 104 are mounted on a bearing housing 101 and are respectively engaged with an inner tub driving shaft.

In particular, according to the above-described embodiment, the bearing housing 101 is located between the rear end of the inner tub and the outer tub 100, in the direction from the inner tub to the outer tub 100 and parallel to the axis of the bearing housing 101, a first bearing 103 is provided at a portion of the bearing housing 101 near the inner tub, an oil seal 102 is provided at a side of the first bearing 103 housing 101 facing the inner tub and engaged with the bearing housing 101, a second bearing 104 is provided at an end of the bearing housing 101 remote from the inner tub, i.e., near the rear end of the outer tub 100, it should be noted that, in the present embodiment, the inner diameter of the bearing housing 101 near the rear end of the outer tub 100 is smaller than that near one end of the inner tub, therefore, the specification of the first bearing 103 may be larger than the specification of the second bearing 104, and specific specifications and parameters of the first bearing 103 and the second bearing 104 may be selected according to actual situations, which is not specifically limited in this embodiment.

Further, in some embodiments of the present invention, the laundry treating apparatus further includes a tripod (not shown in the drawings), the tripod is disposed in the outer tub 100, the tripod may be connected with the outer tub 100, and the tripod is located between the rear end of the inner tub and the outer tub 100, and in this embodiment, the tripod is connected with the inner tub driving shaft, and the tripod is used for providing a supporting force to the inner tub driving shaft to further improve the stability of the inner tub driving shaft.

On the basis of the above embodiments, please continue to refer to fig. 1 to fig. 3, in the present embodiment, the bearing seat 101 is connected in the outer tub 100 and located at a position close to the rear end of the outer tub 100, the bearing seat 101 partially or completely extends from the rear end of the outer tub 100, and the bearing seat 101 and the outer tub 100 can be connected by injection molding, that is, the bearing seat 101 is injection molded in the outer tub 100 in the present embodiment, so that the sealing performance between the bearing seat 101 and the outer tub 100 is ensured.

Illustratively, the bearing seat 101 is located near the rear end of the outer tub 100, and the part of the bearing seat 101 extending out of the outer tub 100 is wrapped by the limiting protrusion 110 at the rear end, so that when the bearing seat 101 is injection-molded on the outer tub 100, the part of the structure at the rear end of the outer tub 100 and the limiting protrusion 110 can also be formed by injection molding.

Further, in some embodiments of the present invention, the rear end surface of the bearing seat 101 is flush with the rear end surface of the limiting protrusion 110, and it should be noted that the front-back direction in this embodiment is the front direction of the door seal in the laundry processing apparatus, and the end of the outer tub 100 away from the door seal is the back direction, that is, the rear end surface of the bearing seat 101 in this embodiment refers to the end of the bearing seat 101 away from the rear end surface of the outer tub 100, and similarly, the rear end surface of the limiting protrusion 110 refers to the end of the limiting protrusion 110 away from the rear end surface of the outer tub 100.

As shown in fig. 3, the limiting protrusion 110 is wrapped around the bearing seat 101, and the rear end surface of the limiting protrusion 110 is flush with the rear end surface of the bearing seat 101, so that the stator 300 of the motor can be conveniently matched with the outer tub 100 and the bearing seat 101. In this embodiment, the outer peripheral surface of the limiting protrusion 110 is also used for matching with the inner peripheral surface of the stator 300, and in a possible implementation, the limiting protrusion 110 is provided in a cylindrical shape, and the outer peripheral surface of the cylindrical limiting protrusion 110 is convenient for matching with the inner peripheral surface of the stator 300.

Further, when the limiting protrusion 110 is configured to be cylindrical, the outer diameter of the limiting protrusion 110 is equal to the inner diameter of the stator 300, and therefore, when the stator 300 is sleeved on the limiting protrusion 110, the inner circumferential surface of the stator 300 is tightly attached to the outer circumferential surface of the limiting protrusion 110, the tightness of connection between the stator 300 and the limiting protrusion 110 is improved, reliable radial positioning is provided for the stator 300, and the stator 300 is prevented from being dislocated when being mounted on the outer tub 100.

It should be noted that, in the prior art, the stator 300 is usually in direct contact with and cooperates with the bearing seat 101, and in order to ensure the connection reliability and the sealing performance between the bearing seat 101 and the outer tub 100, the bearing seat 101 usually needs to ensure high precision, so the processing process of the bearing seat 101 is complicated, and in different types of clothes processing equipment, the motor needs to cooperate with the bearing seats 101 with different specifications and sizes, resulting in poor universality of the motor; in this embodiment, the limiting protrusion 110 is formed by injection molding on the periphery of the bearing seat 101, the limiting protrusion 110 not only ensures the sealing performance between the bearing seat 101 and the outer tub 100, but also is convenient to match with the stator 300, and in addition, when the specification and the size of the bearing seat 101 are changed, the motor does not need to be replaced, the size of the limiting protrusion 110 can be changed, the limiting protrusion 110 is adapted to the motor, and the universality is improved.

On the basis of the above embodiment, the stator 300 is sleeved on the periphery of the limiting protrusion 110, and the stator 300 is connected to the rear end of the outer tub 100, specifically, the stator 300 may be connected to the rear end of the outer tub 100 by a connector such as a bolt or a screw, so as to ensure the reliability of the connection between the whole motor and the outer tub 100. Specifically, as shown in fig. 1, 4 and 5, in some embodiments of the present invention, the stator 300 is provided with a plurality of first screw holes 310, the rear end surface of the outer tub 100 is provided with a plurality of second screw holes, and the first screw holes 310 and the second screw holes can be connected through the screw posts 120, specifically, the screw posts 120 can be connected to the second screw holes of the outer tub 100 first, and after the first screw holes 310 are aligned with the second screw holes, the screw posts 120 pass through the first screw holes 310, so that the first screw holes 310 are connected to the second screw holes, and the stator 300 is connected to the rear end of the outer tub 100.

It is understood that the stator 300 is a stationary part of the motor for providing mechanical support for the motor and generating a magnetic field for cutting the rotor, the stator 300 includes a stator 300 core, a stator 300 winding and a base, in this embodiment, the stator 300 core of the stator 300 is matched with the limiting protrusion 110 on the outer tub 100, and the first screw hole 310 for connecting with the outer tub 100 is penetratingly disposed on the core of the stator 300.

Further, the first screw holes 310 may be provided with four, five, six, seven, or more than seven, as shown in fig. 4 and 5, in this embodiment, the number of the first screw holes 310 is six, the six first screw holes 310 are arranged around the center of the stator 300 at intervals, correspondingly, the six screw posts 120 on the tub 100 are also arranged around the center of the rear end of the tub 100 at intervals, so that the six screw posts 120 are matched with the first screw holes 310 on the stator 300 in a one-to-one correspondence manner, so as to ensure the reliability of the connection between the stator 300 and the tub 100.

Further, the plurality of first screw holes 310 are uniformly arranged around the center of the stator 300, that is, the distance between every two adjacent first screw holes 310 is equal, the included angle between the connecting line between every two adjacent first screw holes 310 and the center of the stator 300 is equal, and accordingly, the plurality of screw columns 120 are uniformly arranged around the center of the rear end of the outer tub 100, that is, the distance between every two adjacent screw columns 120 is equal, and the included angle between the connecting line between every two adjacent screw columns 120 and the center of the rear end of the outer tub 100 is equal.

In addition to the above embodiment, as shown in fig. 5 and 6, when the number of the first screw holes 310 and the screw posts 120 is six, an included angle between the adjacent first screw holes 310 and a line connecting centers of the stator 300 is 60 °, and similarly, an included angle between the adjacent screw posts 120 and a line connecting centers of the rear end of the tub 100 is 60 °. Therefore, after the stator 300 is mounted on the limiting protrusions 110, each screw post 120 is aligned with and engaged with one first screw hole 310, and the stator 300 is connected with the rear end of the tub 100 by the way that the screw posts 120 are connected with the first screw holes 310

Further, in some embodiments of the present invention, at least one first positioning structure is disposed on a side of the stator 300 facing the tub, and a second positioning structure matched with the first positioning structure is disposed on the tub, and the number of the second positioning structures is equal to that of the first positioning structures; furthermore, the first positioning structure is a first positioning column, and the second positioning structure is a first positioning hole; or the first positioning structure is a second positioning hole, and the second positioning structure is a second positioning column; or the first positioning structure is a first positioning hole, the second positioning structure is a second positioning hole, and the first positioning hole is connected with the second positioning hole through a positioning column. That is, the first positioning structure can be configured as a positioning post or a positioning hole, and correspondingly, the second positioning structure can be configured as a positioning hole or a positioning post, and the following embodiment describes an example in which the first positioning hole 130 is disposed on the outer barrel 100, the second positioning hole is disposed on the stator 300, and the first positioning hole 130 and the second positioning hole are connected by the positioning post 320.

Specifically, one side of the stator 300 facing the outer tub 100 is provided with a plurality of second positioning holes, the outer tub 100 is provided with a plurality of first positioning holes 130, and the first positioning holes 130 are aligned with the second positioning holes and then matched with the positioning columns 320, so that the stator 300 is prevented from shaking in the installation process of the stator 300, the stator 300 is further prevented from being dislocated, and the stator 300 is more conveniently and quickly installed.

In this embodiment, the number of the first positioning holes 130, the number of the second positioning holes and the number of the positioning pillars 320 are equal, two, three or more than three first positioning holes 130 may be provided, correspondingly, two, three or more than three second positioning holes are also provided, two, three or more than three positioning pillars 320 are also provided, and the positioning pillars 320 correspond to the first positioning holes 130 and the second positioning holes one by one.

The positioning post 320 may be connected to the second positioning hole first, and after the second positioning hole is aligned with the first positioning hole 130, the positioning post 320 passes through the first positioning hole 130 to achieve a positioning effect when the stator 300 is connected to the tub 100. Specifically, the three second positioning holes may be spaced around the center of the stator 300, and may be uniformly arranged, that is, an angle between connecting lines of the centers of the adjacent second positioning holes and the stator 300 is 120 °, and similarly, the three first positioning holes 130 may be spaced around the center of the rear end of the tub 100, and may be uniformly arranged, that is, an angle between connecting lines of the centers of the adjacent first positioning holes 130 and the rear end of the tub 100 is 120 °

On the basis of the above embodiment, six first screw holes 310 and six screw columns 120 are respectively provided, as shown in fig. 4, three second positioning holes are respectively located between two adjacent first screw holes 310, and the distances between the positioning columns 320 and the first screw holes 310 on the left and right sides are equal; likewise, the three first positioning holes 130 are respectively located between two adjacent screw posts 120, and the first positioning holes 130 are equally spaced from the screw posts 120 on the left and right sides, thereby facilitating positioning when the stator 300 is connected to the outer tub 100.

Further, the first positioning hole 130 is disposed at the rear end of the outer tub 100, as shown in fig. 3, the first positioning hole 130 is a blind hole disposed at the rear end of the outer tub 100, the first positioning hole 130 is opened inward from the rear end surface of the outer tub 100, according to the above embodiment, the limiting protrusion 110 is wrapped around the periphery of the bearing seat 101, the first positioning hole 130 is used for matching with the second positioning hole on the stator 300, the first positioning hole 130 is disposed around the limiting protrusion 110, when the stator 300 is sleeved with the limiting protrusion 110, the second positioning hole on the stator 300 is aligned with the first positioning hole 130 around the limiting protrusion 110 and is connected through the positioning post 320, so that the stator 300 is quickly positioned, and the subsequent screw post 120 is conveniently connected with the first screw hole 310.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A laundry treating apparatus, comprising:

2. The laundry treating apparatus according to claim 1, wherein a rear end surface of the bearing housing is flush with a rear end surface of the stopper protrusion.

3. The laundry treating apparatus according to claim 1, wherein the stopper protrusion is provided in a cylindrical shape, and an outer diameter of the stopper protrusion is equal to an inner diameter of the stator.

4. The laundry treating apparatus according to claim 1, wherein the stator is provided with a plurality of first screw holes, and a rear end surface of the outer tub is provided with a plurality of second screw holes, and the first screw holes and the second screw holes are connected by screw posts.

5. The laundry treating apparatus according to claim 4, wherein the plurality of first screw holes are uniformly arranged around a center of the stator.

6. The laundry treating apparatus according to claim 1, wherein a side of the stator facing the outer tub is provided with at least one first positioning structure, and the outer tub is provided with a second positioning structure matched with the first positioning structure, the second positioning structure being equal in number to the first positioning structure.

7. The clothes treating apparatus according to claim 6, wherein the first positioning structure is a first positioning hole, the second positioning structure is a second positioning hole, and the first positioning hole and the second positioning hole are connected through a positioning column.

8. The laundry treating apparatus according to claim 1, wherein the bearing housing is coupled in the outer tub by injection molding.

9. The laundry treating apparatus according to claim 1, wherein an oil seal, a first bearing and a second bearing are further provided in the outer tub, the oil seal, the first bearing and the second bearing being mounted on the bearing housing and respectively engaged with the inner tub driving shaft.

10. The laundry processing apparatus of claim 1, further comprising a tripod in the outer tub and connected to the inner tub drive shaft.