CN221748045U - Stator mounting assembly and clothing processing equipment - Google Patents

Abstract

The application belongs to the technical field of household appliances, and particularly relates to a stator mounting assembly and clothes treatment equipment, aiming at reducing manufacturing cost to at least a certain extent. The stator mounting assembly comprises a base body, a bearing seat and a stator, wherein the base body is provided with a first positioning piece, the bearing seat is assembled on the base body, the stator is provided with a second positioning piece, and the second positioning piece is matched with the first positioning piece so as to position the stator on the base body. According to the stator mounting assembly provided by the application, the first positioning piece for positioning the stator is arranged on the base body, so that the positioning piece for positioning the stator is not required to be arranged on the bearing seat, the structure of the bearing seat can be simplified, the manufacturing difficulty and the manufacturing links can be reduced, the volume of the bearing seat can be reduced, the technical purpose of reducing the manufacturing cost can be achieved, and the stator mounting assembly has good practicability.

Description

Stator mounting assembly and clothes treatment equipment

Technical Field

The application belongs to the technical field of household appliances, and particularly relates to a stator mounting assembly and clothes treatment equipment.

Background

The motor is usually assembled on the bearing seat, and is fixedly connected with the bearing seat through the motor, so that the stability of the motor is ensured. The accuracy of the mounting of the stator of the motor is an important factor in ensuring the reliability of the operation of the motor.

In the related art, a component for positioning the stator needs to be processed on the bearing seat, so that the structural complexity is increased, the manufacturing difficulty and links are increased, the overall manufacturing cost is increased, and the improvement space is provided.

Disclosure of utility model

The application provides a stator mounting assembly and a clothes treatment device, aiming at reducing the manufacturing cost to at least a certain extent.

In a first aspect of the present application, there is provided a stator mounting assembly comprising: a base body provided with a first positioning member; a bearing housing mounted on the base; the stator is provided with a second locating piece, and the second locating piece is matched with the first locating piece so as to locate the stator on the base body.

According to the stator mounting assembly provided by the application, the first positioning piece for positioning the stator is arranged on the base body, so that the positioning piece for positioning the stator is not required to be arranged on the bearing seat, the structure of the bearing seat can be simplified, the manufacturing difficulty and the manufacturing links can be reduced, the volume of the bearing seat can be reduced, the technical purpose of reducing the manufacturing cost can be achieved, and the stator mounting assembly has good practicability.

In a second aspect of the present application, there is provided a laundry treating apparatus comprising a drum and the above stator mounting assembly, wherein the base is provided at an end of the drum.

According to the clothes treatment equipment provided by the application, as the base body of the stator installation assembly is arranged at the end part of the roller, and the first positioning piece for positioning the stator in the stator installation assembly is arranged on the base body, the positioning piece for positioning the stator is not required to be arranged on the bearing seat, so that the structure of the bearing seat can be simplified, the manufacturing difficulty and the manufacturing links can be reduced, the volume of the bearing seat can be reduced, the technical purpose of reducing the manufacturing cost can be achieved, and the clothes treatment equipment has good practicability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 illustrates a schematic structural view of a laundry treating apparatus part in one or more embodiments of the present application;

FIG. 2 shows a schematic front view of FIG. 1;

FIG. 3 shows a schematic structural view of the substrate of FIG. 1;

FIG. 4 shows a schematic rear view of FIG. 3;

fig. 5 shows a schematic structural view of the stator of fig. 1;

FIG. 6 shows a schematic front view of FIG. 5;

FIG. 7 shows an assembled schematic view of a first coarse positioning member and a second coarse positioning member;

FIG. 8 shows a schematic structural view of a first fine positioning member and a second fine positioning member;

Fig. 9 shows a schematic structural view of the bearing housing of fig. 1.

Reference numerals illustrate:

The device comprises a base body-1, a first protruding part-11, a first accommodating groove-12, a second accommodating groove-13, a supporting column-14, a reinforcing rib-15, a first ring body-16, a second ring body-17, a connecting part-18, a first mounting hole-19 and a avoidance groove-110;

Bearing seat-2, body-21, connecting column-22 and connecting block-23;

A stator-3, a second protruding portion-31, an assembling portion-32, a receiving opening-33, a second mounting hole-34;

a bearing-5;

Lead-6;

A first positioning member-a, a first coarse positioning member-a 1, and a first fine positioning member-a 2;

Second positioning element-b, second coarse positioning element-b 1, second fine positioning element-b 2.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The present application provides a stator mounting assembly that may be applied to a laundry treating apparatus, which may be a washing machine, a dryer, or a washing and drying integrated machine. It should be noted that the stator mounting assembly may also be applied to other devices that need to be equipped with a motor, such as an air conditioner, a floor washer, etc., and is not limited herein.

Referring to fig. 1-6, the stator mounting assembly provided by the application comprises a base 1, a bearing seat 2 and a stator 3, wherein the bearing seat 2 is assembled on the base 1, a first positioning member a is arranged on the base 1, the stator 3 is assembled on the base 1, a second positioning member b is arranged on the stator 3, and the second positioning member b is matched with the first positioning member a (as shown in fig. 7) so as to position the stator 3 on the base 1.

According to the stator mounting assembly provided by the application, the first positioning piece a for positioning the stator is arranged on the base body, so that the positioning piece for positioning the stator is not required to be arranged on the bearing seat, the structure of the bearing seat can be simplified, the manufacturing difficulty is reduced, the manufacturing links are reduced, the processing difficulty is reduced, the processing technology is simplified, the volume of the bearing seat is reduced, the technical purpose of reducing the manufacturing cost is achieved, and the stator mounting assembly has good practicability.

Referring to fig. 1 to 6, the first positioning member a provided by the present application may include a first coarse positioning member a1, and the second positioning member b may include a second coarse positioning member b1, where the second coarse positioning member b1 and the first coarse positioning member a1 cooperate (as shown in fig. 7) to position the stator 3 on the base 1.

Referring to fig. 1 to 6, the first positioning element a provided by the present application may further include a first fine positioning element a2, and the second positioning element b may further include a second fine positioning element b2, where the second fine positioning element b2 and the first fine positioning element a2 cooperate to assemble the stator 3 on the base 1.

In the embodiment of the present application, one of the first coarse positioning element a1 and the second coarse positioning element b1 is a positioning protrusion, and the other is a positioning recess that is disposed on the assembling surface of the stator 3 or the base 1 and is matched with the positioning protrusion, that is, the stator 3 is preset to be located on the base 1 through the positioning protrusion being assembled in the corresponding positioning recess, and the positioning recess may be a positioning groove, a positioning notch or a positioning hole.

In some embodiments, the first coarse positioning element a1 may be a positioning protrusion and the second coarse positioning element b1 may be a positioning recess, and the stator 3 may be suspended on the base 1 when the positioning protrusion is fitted in the corresponding positioning recess. For example: the first rough positioning piece a1 may be disposed on the upper portion of the base 1 and above the bearing seat 2, so that the positioning recess of the stator 3 is hung on the positioning protrusion on the upper portion of the base 1, and the stator 3 is hung on the base 1. In other embodiments, the first coarse positioning element a1 may be a positioning recess and the second coarse positioning element b1 may be a positioning protrusion.

In the embodiment of the application, one of the first fine positioning piece a2 and the second fine positioning piece b2 is a positioning column, and the other is a positioning hole which is arranged on the assembly surface of the stator 3 or the base body 1 and is matched with the positioning column. Namely, the stator 3 is accurately positioned on the base body 1 by the positioning columns being assembled in the corresponding positioning holes.

In some embodiments, the first fine positioning element a2 may be a positioning hole provided on the assembly surface of the base 1, and the second positioning element b may be a positioning post provided on the stator 3, where during assembly, the positioning post may be assembled in a corresponding positioning hole by pushing the stator 3, so that the stator 3 is accurately positioned on the base 1. In addition, the first fine positioning piece a2 can be provided with more than two around the installation portion of the base body 1, the second fine positioning piece b2 is correspondingly provided with more than two, and the stator 3 is accurately positioned on the base body 1 through a plurality of first fine positioning pieces a2 and second fine positioning pieces which are matched with each other, so that convenience is provided for the fixed assembly of the subsequent stator 3 on the base body 1.

In other embodiments, the first fine positioning element a2 may be a positioning column disposed on the assembling surface of the base 1, the second positioning element b may be a positioning hole disposed on the stator 3, and during assembling, the positioning column may be assembled in the corresponding positioning hole by pushing the stator 3, so that the stator 3 is accurately positioned on the base 1.

The first fine positioning member a2 has a smaller cross-sectional dimension than the first coarse positioning member a1, and correspondingly, the second fine positioning member b2 has a smaller cross-sectional dimension than the second coarse positioning member b1, and when the second coarse positioning member b1 and the first coarse positioning member a1 are mated, the coarse positioning member with a larger cross-sectional dimension can support the stator 3 to pre-position the stator 3 on the assembly surface of the base 1 to mate with the fine positioning member with the smaller cross-sectional dimension to assemble the stator 3.

Therefore, through the cooperation of the second locating piece b and the first locating piece a, the problem of axial and circumferential locating of the stator in the assembly process is well solved, and the stator has good practicability.

In the embodiment of the present application, when the stator is assembled, the second coarse positioning element b1 is matched with the first coarse positioning element a1 before the second fine positioning element b2 is matched with the first fine positioning element a 2. Therefore, during assembly, the stator 3/motor can be temporarily hung on the base body 1 by matching the second rough positioning piece b1 with the first rough positioning piece a1, so that the lifting load of a user is reduced, and the user can concentrate on the alignment and the accurate positioning of the accurate positioning piece. In specific implementation, in the assembly direction of the stator 3, the first coarse positioning piece a1 protrudes out of the first fine positioning piece a2, when the stator 3 is assembled, the second coarse positioning piece b1 on the stator 3 is matched with the supporting end of the first coarse positioning piece a1 on the base 1, so that the stator 3/motor is temporarily hung on the first coarse positioning piece a1 on the base 1 to form a support, the stator 3 is pushed continuously, the second coarse positioning piece b1 on the stator 3 is matched with the first coarse positioning piece a1 on the base 1, and the second fine positioning piece b2 on the stator 3 is matched with the first fine positioning piece a2 on the base to position the stator on the base.

Based on the design thought, the application further describes the structures of the base body 1 and the stator 3:

referring to fig. 3 to 7, a first projection 11 projecting from the fitting surface of the base 1 is provided on the base 1, and a first rough positioning member a1 is provided on the outer peripheral surface of the first projection 11; accordingly, the stator 3 is provided with a receiving opening 33 at one end toward the base 1, the first projecting portion 11 is fitted into the receiving opening 33, and the second coarse positioning member b1 is provided on the peripheral wall of the receiving opening 33. In the condition of assembling the stator 3, the receiving opening 33 of the stator 3 is assembled on the first projecting portion 11 of the base body 1, and then the stator 3 is pushed so that the first coarse positioning member a1 and the second coarse positioning member b1 are assembled to fit, to thereby position the stator 3 on the assembling surface of the base body 1 in advance, and to suspend the stator 3 on the first projecting portion 11.

Referring to fig. 3 to 7, the first rough positioning member a1 may be a positioning protrusion protruding from the outer circumferential surface of the first protrusion 11, and the second rough positioning member b1 may be a positioning hole provided at the circumferential wall of the receiving opening 33. The positioning projection can be clearance fit with the positioning hole so that the stator 3 can move on the first projection 11. In some embodiments, the first coarse positioning member a1 may be disposed on top of the first protruding portion 11, extending along a bus bar direction of the first protruding portion 11 at an outer periphery of the first protruding portion 11; in other embodiments, since the stator 3 is suspended on the first protruding portion 11, the first coarse positioning element a1 may be disposed at the bottom or the side of the first protruding portion 11, which is not limited herein.

Referring to fig. 3 to 7, the base 1 is provided with a first receiving groove 12, the first coarse positioning member a1 protrudes toward the end of the stator 3 from the first receiving groove 12, and the end of the first coarse positioning member a1 away from the stator 3 extends to the bottom of the first receiving groove 12. In the condition of assembling the stator 3, the positioning hole on the stator 3 is assembled on the part of the first coarse positioning member a1 protruding from the first receiving groove 12.

With reference to fig. 3, 4 and 7, a gap may be formed between the top of the first coarse positioning element a1 and the side wall of the first accommodating groove 12, the first coarse positioning element a1 may be in a T-shaped structure or a cross-shaped structure, and under the condition that one coarse positioning element is in the cross-shaped structure, a guide inclined plane is disposed at the top of the cross-shaped structure towards the end of the stator 3, so that the positioning hole on the stator 3 is guided when assembled on the cross-shaped structure, and the positioning device has good practicability. The second rough positioning piece b1 is a substantially rectangular notch, so that the stator 3 is allowed to have a large-amplitude precise positioning adjustment space (such as swing amplitude) relative to the base body 1; in addition, the wall of the first rough positioning piece a1 and the wall of the second rough positioning piece b1 of the cross-shaped structure are in point contact, so that friction force is reduced, and assembly pushing is facilitated. In some embodiments, the second coarse positioning element b1 may also be a cross-shaped notch adapted to the cross-shaped structure of the first coarse positioning element a1, and the two are in clearance fit.

In other embodiments, the first rough positioning member a1 may be a positioning hole provided on the outer peripheral surface of the first protruding portion 11, and the second rough positioning member b1 may be a positioning protrusion provided on the inner wall of the receiving port 33.

With reference to fig. 5, the stator 3 is provided with a second projection 31 projecting from the fitting surface of the stator, and a receiving opening 33 is opened on the second projection 31.

Referring to fig. 3 to 6 and 8, the first fine positioning member a2 is disposed on the assembly surface of the base 1, the first fine positioning member a2 is disposed on the outer side of the circumferential surface of the first protruding portion 11, an assembly portion 32 is disposed at one end of the stator 3 toward the base 1, the assembly portion 32 may be an end portion of the second protruding portion 31 toward the base 1, a receiving opening 33 is disposed in the middle of the assembly portion 32, the assembly portion 32 may be configured as the assembly surface of the stator, the assembly portion 32 of the stator 3 abuts against the assembly surface of the base 1 after the stator 3 is assembled on the base 1, the second fine positioning member b2 is disposed on the assembly portion 32, and the second fine positioning member b2 and the first fine positioning member a2 cooperate to precisely assemble the stator 3 on the assembly surface of the base 1.

Referring to fig. 3-6 and 8, in some embodiments, the first fine positioning element a2 may be a positioning hole provided on the assembly surface of the base 1, and the second fine positioning element b2 may be a positioning post provided on the assembly portion 32, and the positioning post is cooperatively inserted into the positioning hole. Under the condition of assembling the stator 3, the accommodating port 33 of the stator 3 is assembled on the first protruding part 11 of the base body 1, then the stator 3 is pushed, and when the first rough positioning piece a1 and the second rough positioning piece b1 are assembled and matched, the positioning columns are inserted into the corresponding positioning holes, so that the stator 3 can be simultaneously pre-positioned and accurately positioned on the assembling surface of the base body 1, and the stator 3 has good practicability.

Referring to fig. 3 and 4, a second accommodating groove 13 is formed in the base 1, a support column 14 is disposed in the second accommodating groove 13, two ends of the support column 14 may be flush with two ends of the second accommodating groove 13, and a positioning hole is formed at an end of the support column 14 facing the stator 3. The circumferential surface of the support column 14 can be connected with the inner wall of the second accommodating groove 13 through more than one reinforcing rib 15, so that the strength of the support column 14 is improved, and the assembly effect on the stator 3 is improved. In practice, reinforcing ribs 15 may be provided on opposite sides of the support column 14 to uniformly increase the strength of the support column 14.

Referring to fig. 3 and 4, the base 1 is provided with a first ring 16 and a second ring 17 which are coaxial, the first ring 16 is disposed in the second ring 17, the first ring 16 protrudes toward one end of the stator 3 to form the second ring 17, so as to form the outer periphery of the first protruding portion 11, a plurality of connecting portions 18 are disposed between the first ring 16 and the second ring 17 at intervals, each connecting portion 18 can be connected between the first ring 16 and the second ring 17 in a radial direction, the plurality of connecting portions 18 are disposed around the outer side of the peripheral surface of the first protruding portion, two adjacent connecting portions 18 are disposed as a first accommodating groove 12, the other two connecting portions 18 are disposed as a second accommodating groove 13, the number of the supporting columns 14 can be two or more, accordingly, the positioning holes are also disposed at intervals around the central axis of the first protruding portion 11, and the positioning columns are correspondingly disposed at two or more, so that the stator 3 can be temporarily fixed on the base 1, and the subsequent stator 1 can be conveniently assembled.

In addition, as shown in fig. 3-6, at least part of the connecting portion 18 is provided with a first mounting hole 19, the second protruding portion 31 of the stator 3 is provided with a second mounting hole 34 corresponding to the first mounting hole 19, and under the condition that the strength and other parameter conditions of the base 1 meet the connection requirements, the first mounting hole 19 of the connecting portion 18 and the second mounting hole 34 of the second protruding portion 31 can be connected through a connecting piece, so that the stator 3 is fixedly assembled on the base 1, and further, the stator 3 is fixedly assembled on the base 1, and the connecting piece can be a bolt.

Fig. 9 shows a schematic structural view of the bearing seat in fig. 1, and in combination with fig. 9, if the parameter conditions such as strength of the base 1 do not meet the connection requirement, a plurality of connection columns 22 may be connected to the peripheral surface of the main body 21 of the bearing seat 2 at intervals, the connection columns 22 may be made of the same material as the bearing seat 2, the connection columns 22 and the connection portions 18 may be integrally formed, the connection columns 22 and the connection portions 18 are correspondingly arranged, the connection columns 22 are inserted into the corresponding connection portions 18, and at least part of the connection columns 22 are provided with the first mounting holes 19. The first mounting hole 19 on the connecting post 22 and the second mounting hole 34 of the second protrusion 31 can be connected by a connecting piece, so that the stator 3 is fixedly assembled on the base 1, thereby realizing the fixed assembly of the stator 3 on the base 1,

Referring to fig. 9, the connection post 22 and the circumferential surface of the bearing seat 2 may be connected by the connection block 23, the connection post 22, the connection block 23 and the bearing seat 2 may be integrally formed, and the connection post 22, the connection block 23 and the circumferential surface of the bearing seat 2 may form a concave bottom structure for assembling the first ring 16.

In some embodiments, the first mounting hole 19 may be spaced from the first fine positioning element a2, so that the stress is uniform during the assembly of the stator, and the firmness of the assembly of the stator is improved.

Referring to fig. 1 to 4, in some embodiments, an end of one of the connection parts 18 facing the stator 3 and an end of the first protrusion 11 facing the stator 3 have a relief distance, and an end of the second ring body 17 connected to the connection part 18 facing the stator 3 is provided with a relief groove 110, and the lead wire 6 for connection with the coil on the stator 3 is abutted against the connection part 18 and led out through the relief groove 110, so as to prevent the loosening phenomenon of the lead wire 6 due to the vibration of the device to some extent. In some embodiments, the connection portion 18 provided with the escape groove 110 is preferably located below the first protrusion 11 to guide the lead wire from the lower portion of the base 1, and in other embodiments, the dividing portion provided with the escape groove 110 may be provided at a side portion of the first protrusion 11, which is not limited herein.

Referring to fig. 3, 4 and 8, the positioning posts may be integrally formed on the assembly portion 32 of the stator 3, and the top ends of the positioning posts are provided with guiding curved surfaces so that the positioning posts are smoothly inserted into the corresponding positioning holes.

In other embodiments, the first fine positioning element a2 may be a positioning post disposed on the assembling surface of the base 1, and the second fine positioning element b2 may be a positioning hole disposed on the assembling portion 32.

In some embodiments, the bearing seat 2 may be integrally formed on the base 1, the bearing seat 2 may be made of metal, the base 1 may be made of plastic, and the bearing seat 2 is integrally formed on the base 1 by injection molding. Because the locating piece and the mounting hole for assembling the stator 3 are arranged on the base body 1 made of plastic materials, the manufacturing difficulty of the bearing seat 2 can be reduced, the manufacturing cost of the bearing seat 2 is reduced, and the bearing seat has good practicability.

Based on the stator mounting assembly, the laundry treating apparatus of the present application includes a drum and the stator mounting assembly, wherein the base 1 is provided at an end of the drum.

According to the clothes treatment equipment provided by the application, as the first rough positioning piece a1 and the first fine positioning piece a2 for positioning the stator 3 in the stator mounting assembly are arranged on the base body 1, the positioning piece for positioning the stator 3 is not required to be arranged on the bearing seat 2, so that the structure of the bearing seat 2 can be simplified, the manufacturing difficulty and the manufacturing links can be reduced, the volume of the bearing seat 2 can be reduced, the technical purpose of reducing the manufacturing cost can be achieved, and the clothes treatment equipment has good practicability.

The drum of the present application includes an inner tub (not shown) having a receiving chamber formed therein for receiving laundry, in which the laundry is washed and dried or dried separately, and an outer tub sleeved outside the inner tub for receiving washing water; the outer tub and the inner tub are coaxially disposed, and a plurality of through holes are opened in a tub wall of the inner tub so that washing water can be introduced into the inner tub through the through holes when washing. The base body 1 can be the rear wall of the outer barrel, the bearing seat 2 is arranged in the first protruding part 11 on the rear wall of the outer barrel and is used for the driving shaft of the motor to pass through, the driving shaft of the motor is connected with the inner barrel so as to drive the inner barrel to rotate, the bearing 5 is arranged between the bearing seat 2 and the driving shaft, and preferably, two bearings are arranged at two ends adjacent to the bearing seat 2 respectively; in addition, the near inner cylinder end of the bearing seat 2 is also provided with a water seal; the stator 3 of the motor is assembled on the rear wall of the outer cylinder, is sleeved on the outer side of the first protruding portion 11 and is not assembled and positioned through the bearing seat 2, so that the structure of the bearing seat 2 can be simplified, the processing difficulty is greatly reduced, the manufacturing cost is reduced, and the motor has good practicability.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplify the description, and do not indicate or imply that the devices or elements 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 application.

In the present application, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.

Claims (17)

1. A stator mounting assembly, the stator mounting assembly comprising:

a base body provided with a first positioning member;

A bearing housing mounted on the base;

the stator is provided with a second locating piece, and the second locating piece is matched with the first locating piece so as to locate the stator on the base body.

2. The stator mounting assembly of claim 1 wherein the first locating member comprises a first coarse locating member;

The second positioning piece comprises a second rough positioning piece, and the second rough positioning piece is matched with the first rough positioning piece so as to position the stator on the base body in a preset mode.

3. The stator mounting assembly of claim 2 wherein the first locating member comprises a first fine locating member;

The second positioning piece comprises a second fine positioning piece, and the second fine positioning piece is matched with the first fine positioning piece so as to assemble the stator on the assembling surface of the base body.

4. A stator mounting assembly in accordance with claim 3 wherein the second coarse positioning member cooperates with the first coarse positioning member prior to the second fine positioning member.

5. A stator mounting assembly in accordance with claim 3 wherein said first coarse positioning element protrudes from said first fine positioning element in the direction of assembly of said stator.

6. The stator mounting assembly according to any one of claims 3 to 5, wherein the base is provided with a first projection projecting from a fitting surface of the base, the first coarse positioning member being provided on an outer peripheral surface of the first projection;

The stator is provided with a containing opening, the first protruding part is assembled in the containing opening, and the second coarse positioning piece is arranged on the containing opening.

7. The stator mounting assembly according to claim 6, wherein the first coarse positioning member is a positioning protrusion provided on an outer peripheral surface of the first protruding portion;

the second rough positioning piece is a positioning hole arranged on the peripheral wall of the accommodating port.

8. The stator mounting assembly of claim 7 wherein the first coarse positioning member extends around the periphery of the first projection in a direction of a generatrix of the first projection.

9. The stator mounting assembly of claim 7 or 8 wherein the first coarse positioning member is in a T-shaped configuration or a cross-shaped configuration.

10. The stator mounting assembly of claim 6 wherein the first fine positioning element is disposed on the mounting surface of the base and is located outside the peripheral surface of the first projection;

The stator is provided with the assembly portion towards the one end of base member, the middle part of assembly portion is provided with hold the mouth, the assembly portion support lean on the assembly face of base member, the second smart setting element set up in on the assembly portion.

11. The stator mounting assembly of claim 10 wherein the first fine positioning element is a positioning hole provided in the mounting face of the base;

The second fine positioning piece is a positioning column arranged on the assembly part, and the positioning column is inserted into the positioning hole in a matched mode.

12. The stator mounting assembly of claim 11 wherein the locating holes are spaced apart about a central axis of the first projection by more than two; the positioning columns are correspondingly provided with more than two positioning columns.

13. The stator mounting assembly according to claim 6, wherein a plurality of connecting portions are provided on the mounting surface of the base body, the plurality of connecting portions are wound around the outer peripheral surface of the first protruding portion, and at least a portion of the connecting portions are provided with first mounting holes;

The assembly part of the stator is provided with a second mounting hole corresponding to the first mounting hole, and the first mounting hole of the connecting part and the second mounting hole of the assembly part are connected through a connecting piece, so that the stator is fixedly assembled on the base body.

14. The stator mounting assembly of claim 13, wherein a plurality of connection posts are connected to the peripheral surface of the bearing block at intervals, the connection posts and the connection portions are disposed correspondingly, the connection posts are disposed in the corresponding connection portions, and at least a portion of the connection posts are provided with the first mounting holes.

15. The stator mounting assembly of claim 13 or 14, wherein the base body is provided with a first ring body and a second ring body that are coaxial, the first ring body is disposed in the second ring body, an end portion of the first ring body protrudes from the second ring body in an assembly direction of the stator so as to be configured as an outer peripheral portion of the first protruding portion, a plurality of connecting portions are disposed between the first ring body and the second ring body at intervals, two adjacent connecting portions are configured as a first accommodating groove, the first coarse positioning design is disposed in the first accommodating groove, the remaining two adjacent connecting portions are configured as a second accommodating groove, and at least a portion of the second accommodating grooves are provided with the first fine positioning members therein.

16. The stator mounting assembly of claim 15, wherein one of the connection portions has a relief distance toward an end of the stator and an end of the first projection toward the stator, and wherein a relief groove is provided in an end of the second ring body connected to the connection portion toward the stator, and wherein a lead wire for connection with a coil on the stator abuts the connection portion and is led out through the relief groove.

17. A laundry treatment apparatus comprising a drum and a stator mounting assembly according to any one of claims 1 to 16, wherein the substrate is disposed at an end of the drum.