CN217629002U

CN217629002U - Water containing barrel of clothes treatment device and clothes treatment device

Info

Publication number: CN217629002U
Application number: CN202220919983.9U
Authority: CN
Inventors: 金中正; 周欢; 宋凡; 钟泽舢; 鲍相桥
Original assignee: Panasonic Appliances Washing Machine Hangzhou Co Ltd; Panasonic Appliances China Co Ltd
Current assignee: Panasonic Appliances Washing Machine Hangzhou Co Ltd; Panasonic Appliances China Co Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-10-21
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a laundry processing apparatus's steel ladle and laundry processing apparatus belongs to the domestic appliance field, and the steel ladle has higher suitability, the utility model discloses a laundry processing apparatus's steel ladle, the steel ladle include one end open-ended staving and set up in the bearing frame of staving bottom, be equipped with the first installation department that is used for the installation to directly drive the motor on the bearing frame, still be equipped with the second installation department that is used for installing brushless motor on the staving. Possess first installation department and second installation department simultaneously on the steel ladle, if adopt in the clothing processing apparatus and directly drive the motor as the power supply, directly drive the motor and can install on the bearing frame of steel ladle through first installation department, if adopt brushless motor as the power supply in the clothing processing apparatus, brushless motor can install on the steel ladle through the second installation department to the suitability of steel ladle has been improved.

Description

Water containing barrel of clothes treatment device and clothes treatment device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a domestic appliance field especially relates to laundry treatment device's steel ladle and laundry treatment device.

[ background of the invention ]

Laundry treatment apparatuses are used to treat laundry, such as washing machines, which generally include a tub, a washing tub, and a motor to rotate the washing tub while washing the laundry, such that the laundry in the washing tub can contact water in the tub to wash the laundry.

At present, a motor for driving a washing tub in a washing machine mainly adopts a direct drive motor or a brushless motor, and the direct drive motor and the brushless motor drive the washing tub to rotate in different manners. The stator of the direct drive motor is arranged on the water bucket, the rotor is arranged on the rotating shaft of the washing bucket, and the rotor directly drives the washing bucket to rotate when rotating; the brushless motor drives the disc body arranged on the rotating shaft through the belt to drive the washing barrel to rotate. And the manufacturer can not only produce one type of washing machine, so that the manufacturer can produce two water holding barrels with different structures during production, and the water holding barrels are respectively used for configuring a direct drive motor and a brushless motor. The suitability of the water containing barrel is poor, different molds or production equipment are needed to be used for the water containing barrels with the two structures, and the cost is high.

[ Utility model ] A method for manufacturing a semiconductor device

The utility model aims to solve the technical problem that the water containing barrel of the clothes treatment device is provided by overcoming the defects of the prior art, and has higher adaptability.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the water containing barrel of the clothes treatment device comprises a barrel body with an opening at one end and a bearing seat arranged at the bottom of the barrel body, wherein a first installation part for installing a direct drive motor is arranged on the bearing seat, and a second installation part for installing a brushless motor is also arranged on the barrel body.

On the basis of the scheme, the second installation part is positioned at the lower side of the bottom of the water barrel.

On the basis of the scheme, the bearing seat comprises a bearing sleeve and a plurality of supporting bodies radially distributed outside the bearing sleeve, and the first mounting part is a connecting column arranged on the supporting bodies.

On the basis of the scheme, the second installation part is a first support and a second support which are arranged on the barrel body, the first support is fixedly connected with the front end of the brushless motor, and the second support is fixedly connected with the rear end of the brushless motor.

The clothes treatment device comprises the water containing barrel, the washing barrel arranged in the water containing barrel and a driving motor for driving the washing barrel to rotate.

On the basis of the scheme, the driving motor is a direct-drive motor, a rotating shaft penetrating through the bearing seat is connected to the washing barrel, and the direct-drive motor comprises a stator fixedly mounted on the bearing seat and a rotor configured on the rotating shaft.

On the basis of the scheme, the stator is fixedly connected with the first mounting part through a fastener.

On the basis of the scheme, the driving motor is a brushless motor, the washing barrel is connected with a rotating shaft penetrating through the bearing seat, the rotating shaft is provided with a belt pulley, and a driving shaft of the brushless motor is connected with the belt pulley through a belt.

On the basis of the scheme, the belt pulley comprises a pulley body and an adapter with a spline, wherein the adapter is fixedly arranged on the pulley body through a connecting piece; or, the belt pulley includes disk body and the adaptor that has the spline, be equipped with the pilot hole on the disk body, the adaptor embedded install in the pilot hole.

On the basis of the scheme, the end part of the rotating shaft is a matching section with a spline, the belt pulley is installed on the matching section, and the spline on the matching section extends out of the bottom surface of the barrel body.

The utility model has the advantages that:

the utility model discloses a be applied to the steel ladle in the clothing processing apparatus, the opening part of steel ladle is used for installing clothing processing apparatus's washtub, installs the structural strength that can improve the steel ladle in the bearing frame of staving bottom. Different from the prior art, possess first installation department and second installation department on the steel ladle simultaneously, if adopt in the clothing processing apparatus and directly drive the motor as the power supply, directly drive the motor and can install on the bearing frame of steel ladle through first installation department, if adopt brushless motor as the power supply in the clothing processing apparatus, brushless motor can install on the steel ladle through the second installation department to the suitability of steel ladle has been improved. The same water containing barrel can be used in two different clothes treatment devices, only one water containing barrel needs to be produced in the production process, and only one mold needs to be used for producing the water containing barrel, so that the equipment cost is reduced.

Further, the second mounting portion is located at a lower side of the bottom of the tub. The bottom position of the clothes treatment device has a larger space, the second installation part is arranged at the lower side of the water containing barrel, the brushless motor is enabled to have a sufficient installation space, the second installation part is arranged at the lower side of the bottom of the water containing barrel, the brushless motor can be close to the bottom of the water containing barrel after being installed, the setting of a transmission component for transmitting the power of the brushless motor to the washing barrel is reduced, the washing barrel in the water containing barrel is driven by the brushless motor to rotate conveniently, and the power loss of the brushless motor is reduced.

Further, the bearing frame includes the bearing housing and is in a plurality of supporters that radial distribution is in the bearing housing outside, first installation department is the spliced pole that sets up on the supporter. The supporter can improve the intensity of bearing frame, increases the area of contact of bearing frame and water-holding bucket and increases the intensity of water-holding bucket, and the weight of bearing frame can be reduced to the supporter that the interval set up on the prerequisite that keeps bearing frame intensity to reduce driving motor's in the clothing processing apparatus load, still reduced the cost of bearing frame simultaneously. The direct-drive motor is installed by arranging the connecting column on the support body, so that the direct-drive motor can be stably installed on the water containing barrel, the installation accuracy of the direct-drive motor can be ensured by installing the connecting column, the coaxiality error of the direct-drive motor and the washing barrel is reduced, and the power loss of the direct-drive motor is reduced.

Furthermore, the second installation department for set up in first support and second support on the staving, first support and brushless motor's front end fixed connection, second support and brushless motor's rear end fixed connection. First support and second support can respectively with brushless motor's both ends fixed connection to make brushless motor stabilize on the staving.

The utility model also discloses a clothing processing apparatus has adopted foretell steel ladle in the clothing processing apparatus, and the washtub holding is in the steel ladle, drives the washtub rotation and reaches the purpose of wasing the clothing through driving motor. The suitability of water-holding bucket is high, is provided with first installation department and second installation department, and driving motor both can select brushless motor and also can select directly to drive the motor, can install according to clothes treatment facilities's requirement.

Further, the driving motor is a direct-drive motor, the washing tub is connected with a rotating shaft penetrating through the bearing block, and the direct-drive motor comprises a stator fixedly mounted on the bearing block and a rotor configured on the rotating shaft. The stator is fixed on the bearing seat and keeps fixed, the rotor is arranged on the rotating shaft and can move synchronously with the rotating shaft, and the rotor can rotate relative to the stator through magnetic field repulsion between the stator and the rotor so as to drive the rotating shaft and the washing barrel to rotate. The bearing seat can support the rotating shaft, and the water containing barrel is prevented from being damaged in the rotating process of the washing barrel.

Further, the stator and the first mounting portion are fixedly connected through a fastener. The stator can be stably installed on the water containing barrel under the effect of the fastener, and the stator is kept fixed with the water containing barrel, so that the phenomenon that the coaxiality error between the stator and the rotating shaft is increased due to the fact that the position of the stator is changed is avoided, and the power loss of the direct-drive motor is increased.

Furthermore, the driving motor is a brushless motor, a rotating shaft penetrating through the bearing seat is connected to the washing barrel, a belt pulley is arranged on the rotating shaft, and a driving shaft of the brushless motor is connected with the belt pulley through a belt. The belt pulley is installed in the pivot, can with pivot synchronous motion, brushless motor passes through drive shaft output power, drives the belt pulley rotation through the belt when the drive shaft rotates.

Further, the belt pulley comprises a pulley body and an adapter with a spline, and the adapter is fixedly arranged on the pulley body through a connecting piece; or, the belt pulley includes disk body and the adaptor that has the spline, be equipped with the pilot hole on the disk body, the adaptor embedded install in the pilot hole. The belt pulley is in spline fit with the rotating shaft, and the matching strength is high, so that the synchronous motion relation between the belt pulley and the rotating shaft can be guaranteed. The spline cooperation has a higher requirement on the strength of the belt pulley, if the spline is directly formed on the belt pulley on the premise of ensuring the strength of the belt pulley, the cost requirement is higher, the existing process level is difficult to realize, and the problem can be solved by configuring the adapter with the spline on the pulley body. The adapter can be directly arranged on the disc body, for example, the adapter is fixedly arranged on the disc body through the fixed connection of the connecting piece and the disc body, the connection between the adapter and the disc body is convenient in the way, the assembly mode is simple, and the adapter is convenient to replace when the adapter is worn; or directly install on the disk body through the mode of inlaying the dress, the cooperation relation between adaptor and the disk body will be inseparabler, and area of contact between the two is big, can guarantee the intensity of disk body.

Furthermore, the end part of the rotating shaft is a matching section with a spline, the belt pulley is installed on the matching section, and the spline on the matching section extends out of the bottom surface of the barrel body. The spline on the matching section is positioned on the outer side of the bottom of the barrel body, so that the belt pulley can be smoothly matched with the rotating shaft without contacting the bottom surface of the barrel body, and the rotation of the belt pulley is prevented from being influenced. The belt can keep a distance with the bottom surface of the barrel body, so that the belt is prevented from being contacted with the bottom surface of the barrel body and being continuously rubbed with the barrel body in the transmission process to cause the damage of the belt and the barrel body.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic side structure view of a water containing barrel according to an embodiment of the present invention;

fig. 2 is a front view of a water bucket in an embodiment of the present invention;

FIG. 3 is a schematic view of the internal structure of a clothes treating apparatus according to an embodiment of the present invention;

fig. 4 is an exploded view of the internal structure of a clothes treating apparatus equipped with a direct drive motor according to an embodiment of the present invention;

fig. 5 is an exploded view of the internal structure of a clothes treating apparatus equipped with a brushless motor according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram a of a belt pulley according to an embodiment of the present invention;

fig. 7 is a cross-sectional view of the belt pulley of fig. 6;

fig. 8 is a schematic structural view B of the belt pulley in the embodiment of the present invention;

fig. 9 is a cross-sectional view of the belt pulley of fig. 8.

Reference numerals:

a tub 100, a tub 110, a first bracket 120, a second bracket 130, and a cavity 140;

bearing seat 200, bearing sleeve 210, supporting body 220 and connecting column 230;

the brushless motor 300, a driving shaft, a belt pulley 320, a pulley body 321, an adapter 322, a connecting piece 323 and an assembling hole 324;

a washing tub 400, a rotation shaft 410, a fitting section 420;

stator 500, rotor 510, fastener 520;

a case 600.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all of them. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

The appearances of the phrases such as "exemplary," "some embodiments," and the like in the following text are intended to mean "serving as an example, embodiment, or illustration," and any embodiment described as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the present invention has been described with reference to certain embodiments, it will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details.

Referring to fig. 1 and 2, an embodiment of the present invention discloses a water containing barrel of a laundry treatment apparatus, wherein the water containing barrel 100 includes a barrel body 110 with an open end and a bearing seat 200 disposed at the bottom of the barrel body 110, a first installation part for installing a direct drive motor is disposed on the bearing seat 200, and a second installation part for installing a brushless motor is disposed on the barrel body 110.

The utility model discloses a be applied to steel ladle 100 in the clothing processing apparatus, steel ladle 100's opening part is used for installing the washing bucket of clothing processing apparatus, installs in the bearing frame 200 of staving 110 bottom can improve steel ladle 100's structural strength. Different from the prior art, possess first installation department and second installation department on the ladle 100 simultaneously, if adopt in the clothing processing apparatus and directly drive the motor as the power supply, directly drive the motor and can install on the bearing frame 200 of ladle 100 through first installation department, if adopt brushless motor as the power supply in the clothing processing apparatus, brushless motor 300 can install on ladle 100 through the second installation department to the suitability of ladle 100 has been improved. The same tub 100 may be used in two different laundry treating apparatuses, and only one tub 100 may be produced and only one mold for producing the tub 100 may be required in the production process, so as to reduce the equipment cost.

Preferably, the second mounting portion is provided at a lower side of the bottom of the tub 100. The tub 100 is disposed horizontally in the present application, and the bottom of the tub 100 is referred to as its opening, which is located at the left side and the bottom of the tub 100 is located at the right side as viewed in fig. 1. The bottom position of the clothes treatment device has a larger space, the second installation part is arranged at the lower side of the water containing barrel 100, the brushless motor can have a sufficient installation space, the second installation part is arranged at the lower side of the bottom of the water containing barrel 100, the brushless motor can be close to the bottom of the water containing barrel 100 after the installation is completed, the setting of a transmission component for transmitting the power of the brushless motor to the washing barrel is reduced, the washing barrel in the water containing barrel 100 can be conveniently driven by the brushless motor to rotate, and the power loss of the brushless motor 300 is reduced. Although the bottom of the tub 100 is the best position for disposing the second mounting part, the second mounting part may be disposed on the outer circumference of the tub 100 at a position close to the bottom of the tub 100.

Referring to fig. 1 and 2, based on the above embodiments, in an embodiment of the present invention, the structures of the first mounting portion and the second mounting portion are specifically described.

The bearing housing 200 includes a bearing housing 210 and a plurality of supporting bodies 220 radially distributed outside the bearing housing 210, and the first mounting portion is a connecting column 230 disposed on the supporting body 220. The support body 220 may improve the strength of the bearing housing 200, increase the contact area between the bearing housing 200 and the tub 100 to increase the strength of the tub 100, and the support bodies 220 arranged at intervals may reduce the weight of the bearing housing 200 on the premise of maintaining the strength of the bearing housing 200, thereby reducing the load of the driving motor in the laundry treating apparatus and also reducing the cost of the bearing housing 200. The direct drive motor is installed by arranging the connection column 230 on the support body 220, so that the direct drive motor can be stably installed on the water tub 100, and the installation accuracy of the direct drive motor can be ensured by installing the connection column 230, thereby reducing the coaxiality error of the direct drive motor and the washing tub and reducing the power loss of the direct drive motor.

The second installation part is a first bracket 120 and a second bracket 130 which are arranged on the barrel body 110, the first bracket 120 is fixedly connected with the front end of the brushless motor, and the second bracket 130 is fixedly connected with the rear end of the brushless motor, so that the brushless motor can be stabilized on the barrel body 110. Preferably, the first bracket 120 and the second bracket 130 are integrally formed on the tub 100, so that the assembly of the brushless motor can be facilitated, and since the first bracket 120 and the second bracket 130 do not need to be installed during the assembly process, the installation position error of the brushless motor during installation can be reduced.

Referring to fig. 1 to 8, the present invention also discloses a laundry treating apparatus, comprising a water containing barrel 100, a washing barrel 400 disposed in the water containing barrel 100 and a driving motor for driving the washing barrel 400 to rotate, wherein the water containing barrel 100 is the water containing barrel of the laundry treating apparatus disclosed in the above. The driving motor is used for driving the washing tub 400 to rotate so as to achieve the purpose of washing the laundry, the tub 100 has high adaptability, and is provided with a first mounting part and a second mounting part, the driving motor can be a brushless motor 300 or a direct-drive motor, and can be selected and mounted according to the requirements of the laundry treatment device.

Referring to fig. 3 and 4, based on the above embodiments, in an embodiment of the present invention, the driving motor is selected to be a direct drive motor.

The direct drive motor includes a stator 500 and a rotor 510, the washing tub 400 is connected with a rotating shaft 410 penetrating through the bearing housing 200, the stator 500 is mounted on the bearing housing 200, the rotor 510 is disposed on the rotating shaft 410, the end of the rotating shaft 410 is a fitting segment 420 with a spline, and the rotor 510 is in spline fitting with the fitting segment 420. Stator 500 is fixedly mounted on bearing housing 200 and is kept fixed, rotor 510 is disposed on rotation shaft 410 and can move synchronously with rotation shaft 410, and rotor 510 can rotate relative to stator 500 to drive rotation shaft 410 and washing tub 400 to rotate by magnetic field repulsion between stator 500 and rotor 510. The bearing housing 200 can support the rotation shaft 410 to prevent the tub 100 from being damaged during the rotation of the washing tub 400.

Stator 500 and first installation department pass through fastener 520 fixed connection, all are provided with spliced pole 230 on every supporter 220, and the preferred screw post of spliced pole 230, the preferred fixing bolt of fastener 520 correspond the screw post on the stator 500 and are provided with the connecting hole, and the fixing bolt runs through behind the connecting hole and screw post cooperation to with stator 500 stable mounting on bearing frame 200. Through correspondence and cooperation between the plurality of screw columns and the plurality of connecting holes, coaxiality errors among the stator 500, the rotating shaft 410 and the rotor 510 are lower, transmission efficiency of the direct drive motor can be guaranteed, and power loss is reduced.

Referring to fig. 5, unlike the above-described embodiment, in one embodiment of the present invention, the driving motor is selected as a brushless motor 300.

The brushless motor 300 comprises a driving part and a driving shaft used for outputting the rotation power of the driving part, a belt pulley 320 is arranged on the rotating shaft 410, the driving shaft of the brushless motor 300 is connected with the belt pulley 320 through a belt 325, the belt pulley 320 can synchronously move with the rotating shaft 410, the brushless motor 300 outputs power through the driving shaft, and the belt 325 drives the belt pulley 320 to rotate when the driving shaft rotates.

Generally, in the laundry treating apparatus provided with the brushless motor 300, the pulley 320 and the rotating shaft 410 are locked by a locking member, so that the pulley 320 and the rotating shaft 410 can be rotated synchronously. However, if the driving motor is selected as the direct drive motor, the rotor 510 of the direct drive motor is in spline fit with the rotating shaft 410, and the rotating shaft 410 is provided with a spline, so as to enable the pulley 320 and the rotating shaft 410 to realize synchronous motion and ensure the suitability of the water tub 100, in this embodiment, the fit mode between the pulley 320 and the rotating shaft 410 is also in spline fit.

Referring to fig. 6 to 9, in particular, the belt pulley 320 includes a pulley body 321 and an adaptor 322 with splines, and the belt pulley 320 is in spline fit with the rotating shaft 410 through the adaptor 322. The adaptor 322 can be fixed with the disc body 321, and the adaptor and the disc body 321 can move synchronously, so that the belt pulley 320 can be in spline fit with the rotating shaft 410, and the fitting strength is high, thereby ensuring that the synchronous movement relation is maintained between the belt pulley 320 and the rotating shaft 410.

The strength requirement of spline cooperation to belt pulley 320 is higher, in order to avoid the damage of belt pulley 320, belt pulley 320 need have certain thickness, just can satisfy and carry out the requirement of spline cooperation with pivot 410 for a long time, if directly shaping the spline on belt pulley 320 under the prerequisite of guaranteeing belt pulley 320 intensity, the cost requirement is higher and hardly accomplish with present technology level, consequently configuration has the adaptor 322 of spline on disk body 321, carry out the spline fit through adaptor 322 and pivot 410, just can satisfy the user demand, solve foretell problem.

The adaptor 322 may be mounted directly on the disc 321, for example: the adaptor 322 is fixedly mounted on the plate 321 by a connector 323. Screw holes are arranged on the adapter 322 and the disc body 321, and the adapter 322 is fixedly arranged on the disc body 321 through screws or bolts. Through the mode, the connection between the adaptor 322 and the disc body 321 is convenient, the assembly mode is simple, and the adaptor 322 is convenient to replace when worn. Or, the disc body 321 is provided with the assembly hole 324, the adaptor 322 is embedded in the assembly hole 324, the matching relationship between the adaptor 322 and the disc body 321 is tighter, the contact area between the adaptor 322 and the disc body 321 is large, and the strength of the disc body 321 can be ensured.

Referring to fig. 3 and 5, based on the above embodiments, in an embodiment of the present invention, the spline of the fitting section 420 of the rotating shaft 410 protrudes out of the bottom surface of the barrel 110.

The matching section 420 is used for matching the rotor 510 of the direct drive motor or the belt pulley 320, in order to avoid the belt pulley 320 being blocked, the spline on the matching section 420 is arranged at the outer side of the bottom of the barrel body 110, so that after the belt pulley 320 is matched with the rotating shaft 410, a distance is kept between the belt pulley 320 and the bottom surface of the barrel body 110, the belt pulley 320 cannot be scratched with the barrel body 110 during rotation, and the barrel body 110 is prevented from being damaged. In addition, after the arrangement, the distance between the belt 325 and the bottom surface of the barrel body 110 can be kept, and the belt 325 or the barrel body 110 cannot be damaged due to scraping with the barrel body 110 in the transmission process.

In order to prevent the engagement section 420 from being excessively protruded out of the tub 100, resulting in an increase in the size of the laundry treatment apparatus, an inwardly recessed cavity 140 is provided at the bottom of the tub 100, the stator 500 is mounted to the bearing housing 200 and received in the cavity 140, and a portion of the rotor 510 is received in the cavity 140. With such a structure, the stator 500 may be prevented from protruding from the tub 100, so that the rotor 510 and the pulley 320 of the direct drive motor may be smoothly installed in an area between the tub 100 and the rear sidewall of the cabinet 600 of the laundry treating apparatus, and the rotor 510 and the pulley 320 may not be in contact with the rear sidewall of the cabinet 600 during the rotation.

The above mentioned spline of the mating segment 420 protrudes out of the bottom surface of the barrel 110, and it should be noted that the bottom surface of the barrel 110 does not include the inner wall of the cavity 140. As shown in FIG. 3, the dotted line denoted by A is the plane of the bottom surface of the barrel 110, and the splined portion of the mating segment 420 is not significantly in the area between the dotted line and the cavity 140.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above detailed description. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The water containing barrel is characterized in that a first installation part for installing a direct drive motor is arranged on the bearing seat, and a second installation part for installing a brushless motor is further arranged on the barrel body.

2. The tub of the laundry processing apparatus according to claim 1, wherein the second mounting portion is located at a bottom lower side of the tub.

3. The tub of a laundry treating apparatus according to claim 1, wherein the bearing housing includes a bearing housing and a plurality of supporting bodies radially distributed outside the bearing housing, and the first mounting portion is a connection pole provided on the supporting bodies.

4. The tub of the laundry processing apparatus according to claim 1, wherein the second mounting portion is a first bracket and a second bracket disposed on the tub body, the first bracket is fixedly connected to a front end of the brushless motor, and the second bracket is fixedly connected to a rear end of the brushless motor.

5. Laundry treatment apparatus, characterized by comprising a tub according to any one of claims 1 to 4, a washing tub provided in the tub, and a driving motor for driving the washing tub in rotation.

6. The laundry treating apparatus according to claim 5, wherein the driving motor is a direct drive motor, a rotating shaft penetrating the bearing housing is connected to the washing tub, and the direct drive motor includes a stator fixedly mounted on the bearing housing and a rotor disposed on the rotating shaft.

7. The laundry treating apparatus according to claim 6, wherein the stator and the first mounting portion are fixedly connected by a fastener.

8. The laundry treating apparatus according to claim 5, wherein the driving motor is a brushless motor, a rotating shaft penetrating the bearing seat is connected to the washing tub, a belt pulley is disposed on the rotating shaft, and a driving shaft of the brushless motor is connected to the belt pulley through a belt.

9. The laundry treatment apparatus of claim 8, wherein the belt pulley includes a pulley body and an adapter member with splines, the adapter member being fixedly mounted on the pulley body by a connection member; or, the belt pulley includes the disk body and has the adaptor of spline, be equipped with the pilot hole on the disk body, the adaptor embedded install in the pilot hole.

10. The laundry treating apparatus according to claim 8, wherein the end of the rotating shaft is a mating section with splines, and the belt pulley is mounted on the mating section, and the splines of the mating section protrude out of the bottom surface of the tub.