CN215906415U

CN215906415U - Clothes treating apparatus

Info

Publication number: CN215906415U
Application number: CN202122315398.6U
Authority: CN
Inventors: 郭良乐
Original assignee: Wuxi Little Swan Electric Co Ltd
Current assignee: Wuxi Little Swan Electric Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-02-25
Anticipated expiration: 2031-09-23

Abstract

The present invention discloses a laundry treating apparatus, comprising: the dewatering drum comprises a dewatering drum bottom shell, wherein an installation cavity is formed in the dewatering drum bottom shell; the wave wheel disc is rotatably arranged in the mounting cavity; the stopper is connected with the dewatering barrel bottom shell, and one end of the stopper is located between the outer peripheral edge of the wave wheel disc and the inner peripheral wall of the installation cavity so as to seal a gap between the wave wheel disc and the installation cavity. This clothing treatment facility can effectively reduce the risk that the foreign matter leaks into the barrel bottom, promotes user's use and experiences.

Description

Clothes treating apparatus

Technical Field

The utility model relates to the technical field of clothes treatment, in particular to clothes treatment equipment.

Background

Among the correlation technique, the chassis clearance of conventional clothing treatment facility is big, carries out the processing during operation to the clothing, can take place foreign matter such as coin, button, hairpin often and fall into the barrel head through the chassis clearance, can take place the problem that the foreign matter caused the damage and can't take out to clothing treatment facility, and user experience is poor. Traditional integral type keeps off coin circle and only is applicable to non-heating type model, and the impeller of heating type clothing treatment facility mostly is the sheet metal component, changes the mould difficulty, and the work load of processing is big, and the scheme of keeping off the coin circle through the mode that changes the mould increases at the impeller body is difficult to realize, and the foreign matter leaks into the problem that needs the solution urgently in the clothing treatment technical field still.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. To this end, an object of the present invention is to propose a laundry treating apparatus. This clothing treatment facility can effectively reduce the risk that the foreign matter leaks into the barrel bottom, promotes user's use and experiences.

The laundry treating apparatus according to the present invention includes: the dewatering drum comprises a dewatering drum bottom shell, a wave wheel disc and a stop piece, wherein an installation cavity is formed in the dewatering drum bottom shell; the wave wheel disc is rotatably arranged in the mounting cavity; the stop piece is connected with the dewatering barrel bottom shell, and one end of the stop piece is located between the outer peripheral edge of the impeller disc and the inner peripheral wall of the mounting cavity.

According to the clothes treatment equipment, the stop piece is arranged at the bottom shell of the dehydration barrel, so that foreign matters can be stopped and prevented from leaking into the barrel bottom, and the stop piece of the clothes treatment equipment can be detached and optionally matched, is suitable for heating clothes treatment equipment and non-heating clothes treatment equipment, is high in universality, can be applied to various clothes treatment equipment, and well solves the problem that the foreign matters of the clothes treatment equipment leak into the barrel bottom while improving the use experience of a user.

According to some embodiments of the present invention, the laundry treating apparatus further comprises: the dewatering barrel is arranged on the upper side of the impeller disc and limits a dewatering cavity with the impeller disc, and the end face of one end of the stop piece and the impeller disc are jointly constructed into the bottom wall of the dewatering cavity.

According to some embodiments of the utility model, the dewatering tub bottom case comprises: the wave wheel disc comprises a bottom wall and a side wall, wherein the side wall is arranged on the peripheral edge of the bottom wall and extends towards the direction far away from the bottom wall, the side wall and the bottom wall define the installation cavity, and the stop piece is arranged between the peripheral edge of the wave wheel disc and the side wall.

According to some embodiments of the utility model, the stop is configured as a check ring and comprises: a connecting portion configured in a ring shape and fixedly connected with the bottom wall; the stopping part is arranged on the outer peripheral edge of the connecting part and extends towards the dehydration cavity, and at least part of the stopping part is arranged between the inner peripheral wall of the dehydration barrel and the outer peripheral edge of the wave wheel disc.

According to some embodiments of the present invention, the laundry treating apparatus further comprises: and the fasteners penetrate through the connecting part and the bottom wall respectively to be suitable for fixing the stop piece on the bottom shell of the dewatering barrel.

According to some embodiments of the present invention, the laundry treating apparatus further comprises: the balance ring is arranged at one end, far away from the stop piece, of the dewatering barrel.

According to some embodiments of the utility model, a pulsator support is provided between the pulsator disc and the bottom shell of the spinning tub, the pulsator support being adapted to connect the pulsator disc with a driving member.

According to some embodiments of the utility model, the wave disc comprises: a support part adapted to be connected with the pulsator bracket; the expansion part is arranged on the periphery of the supporting part, and the peripheral edge of the expansion part abuts against the stop part.

According to some embodiments of the utility model, a driving shaft mounting hole is formed in the pulsator support, and the driving shaft of the driving member is connected to the supporting portion by passing through the driving shaft mounting hole.

According to an embodiment of the present invention, the laundry treating apparatus further comprises: the shaft sleeve is arranged in the driving shaft mounting hole and is suitable for being sleeved on the periphery of the driving shaft.

In summary, according to the clothes treatment apparatus of the present invention, the stopper is installed at the bottom shell of the spin-drying tub, so that the gap between the pulsator plate and the installation cavity can be closed to prevent the foreign matters from leaking into the bottom shell, and the stopper of the clothes treatment apparatus of the present invention can be disassembled and selectively assembled, so that the clothes treatment apparatus can be applied to a heating style clothes treatment apparatus and a non-heating style clothes treatment apparatus, has high versatility, can be applied to various clothes treatment apparatuses, and in addition, the stopper is installed at the bottom shell of the spin-drying tub, so that the gap between the pulsator plate and the installation cavity can be closed to prevent the foreign matters from leaking into the bottom shell, thereby solving the problem that the foreign matters of the clothes treatment apparatus can leak into the bottom shell.

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

Drawings

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

fig. 1 is an overall view of a laundry treating apparatus according to an embodiment of the present invention.

Fig. 2 is a structural view of a laundry treating apparatus according to an embodiment of the present invention.

Fig. 3 is a structural diagram of a pulsator hub according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of a stopper structure according to an embodiment of the present invention.

Reference numerals:

the laundry treating apparatus 1;

a dewatering barrel bottom shell 10;

a wave disk 20; a support portion 21; an expansion section 22; a pulsator support 23; a drive shaft mounting hole 23 a; a blade 221;

a stopper 30; a connecting portion 31; a stopper portion 32;

a dehydration tub 40; a fastener 50; a balance ring 60; and a sleeve 70.

Detailed Description

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

A laundry treating apparatus according to an embodiment of the present invention will be described with reference to fig. 1 to 4.

As shown in fig. 1 to 2, a laundry treating apparatus 1 according to the present invention includes: a dewatering tub bottom case 10, a pulsator disk 20, and a stopper 30. The gap of the dehydration barrel bottom shell 10 is large, foreign matters are easy to leak into the barrel bottom, a mounting cavity is formed in the dehydration barrel bottom shell 10, and the bottom of the mounting cavity can accommodate the wave wheel disc 20 and the stop piece 30; the impeller disc 20 is arranged in the mounting cavity, the impeller disc 20 can rotate in the mounting cavity, water flow is driven to move through the impeller disc 20, and clothes in the dewatering barrel 40 rotate and roll, so that stains on the clothes to be washed can be removed; the stopper 30 is adapted to be coupled to the bottom case 10 of the spinning tub, the stopper 30 being capable of blocking foreign substances, one end of the stopper 30 being disposed between the outer circumferential edge of the pulsator disk 20 and the inner circumferential wall of the mounting cavity, the stopper 30 being capable of closing a gap formed between the mounting cavity and the pulsator disk 20, thereby blocking foreign substances from leaking into the bottom case.

In the correlation technique, the chassis clearance of conventional clothing treatment facility 1 is big, carries out the processing during operation to the clothing, can take place foreign matter such as coin, button, hairpin often and fall into the barrel head through the chassis clearance, can take place the problem that the foreign matter caused the damage and can't take out to clothing treatment facility 1, and user experience is poor. Traditional integral type keeps off coin circle and only is applicable to non-heating type model, and the impeller of heating type clothing treatment facility 1 is mostly the sheet metal component, and the mould change difficulty, the work load of processing is big, and the scheme of keeping off the coin circle through the mode that changes the mould increases at the impeller body is difficult to realize, solves the foreign matter and leaks into the problem that need solve in the bottom of the bucket still urgent need in the clothing treatment technical field.

According to the clothes treatment equipment 1, the stopping piece 30 is arranged at the position of the bottom shell 10 of the dewatering barrel, a gap between the wave wheel disc 20 and the installation cavity can be sealed, foreign matters are prevented from leaking into the barrel bottom, the stopping piece 30 of the clothes treatment equipment 1 can be detached and optionally matched, the clothes treatment equipment is suitable for heating clothes treatment equipment 1 and non-heating clothes treatment equipment 1, the universality is high, the clothes treatment equipment can be applied to various clothes treatment equipment 1, and the problem that the foreign matters of the clothes treatment equipment 1 can leak into the barrel bottom is well solved while the use experience of a user is improved.

According to some embodiments of the present invention, as shown in fig. 1-2, the laundry treating apparatus 1 of the present invention further includes a dehydrating tub 40, and the laundry can perform a series of washing care works in the dehydrating tub 40. The dewatering tub 40 is disposed on the upper side of the pulsator 20, the pulsator 20 and the dewatering tub 40 define a dewatering chamber, and the pulsator 20 can rotate water flow in the dewatering chamber, thereby rotating, rolling and cleaning the clothes in the dewatering chamber. The terminal surface of stopper 30 one end constructs the diapire for the dehydration chamber with impeller dish 20 jointly, and the one end of stopper 30 can closely laminate on the dehydration chamber diapire, plays the closed effect to the installation cavity and the clearance that impeller dish 20 formed to clothing in the dehydration chamber enters into to the installation cavity by the diapire in dehydration chamber.

According to some embodiments of the utility model, the dewatering tub bottom shell 10 comprises a bottom wall and side walls, the side walls being arranged at a peripheral edge portion of the bottom wall and extending away from the bottom wall, the side walls and the bottom wall defining a mounting cavity, the stop 30 being arranged between the peripheral edge of the wave disc 20 and the side walls. Set up the periphery edge at the diapire with the lateral wall, the lateral wall extends towards the direction of keeping away from the diapire, and the installation cavity is injectd with the diapire to the lateral wall, and impeller dish 20 sets up in the installation cavity, and impeller dish 20 can be at the installation cavity internal rotation. One end of the stopper 30 is disposed between the outer peripheral edge and the sidewall of the pulsator tray 20, and one end of the stopper 30 can be closely attached to the outer peripheral edge portion of the pulsator tray 20 and the sidewall of the bottom casing 10 of the spin-drying tub, to close a gap formed between the mounting chamber and the pulsator tray 20.

According to some embodiments of the present invention, as shown in fig. 4, the stopper 30 is adapted to be provided as a stopper ring, and the stopper ring includes a connecting portion 31 and a stopper portion 32. The connecting portion 31 of the stopper 30 is suitably arranged in a ring shape, the connecting portion 31 serves to connect the stopper portion 32 with other components of the laundry treating apparatus 1, and the connecting portion 31 may be fixedly connected with the spin basket bottom case 10, thereby fixing the stopper 30 on the spin basket bottom case 10. The stopper 32 is disposed at an outer circumferential portion of the connection portion 31, and the stopper 32 extends toward the dehydration chamber, and at least a portion of the stopper 32 is disposed between an inner circumferential wall of the dehydration tub 40 and an outer circumferential edge of the pulsator disk 20.

In one embodiment of the present invention, the stopper 30 is configured in a ring shape, the stopper 30 is adapted to be disposed at the bottom of the pulsator reel 20, and the stopper 30 spaces the spin-drying tub bottom case 10 from the pulsator reel 20. The cross section of the stop piece 30 in the circumferential direction is in an L shape, the inner side of the L-shaped stop piece 30 is tightly attached to the pulsator tray 20, and the outer side of the L-shaped stop piece 30 is tightly attached to the side wall of the dewatering barrel 40 and the bottom wall of the dewatering barrel 40.

According to some embodiments of the present invention, as shown in fig. 4, the laundry treating apparatus 1 further includes a fastener 50, the fastener 50 being capable of fixing the stopper 30 on the bottom case 10 of the dehydration tub, the fastener 50 fixing the position of the stopper 30 by penetrating the connection portion 31 of the stopper 30 and the bottom wall of the dehydration tub 40. In an embodiment of the present invention, the fastening member 50 is a screw, the stopper 30 can be fixed on the bottom shell 10 of the dewatering barrel by screwing the screw, further, the stopper 30 can be sleeved on the bottom shell 10 of the dewatering barrel, the bottom shell 10 of the dewatering barrel and the stopper 30 are provided with opposite through holes, and the fastening member 50 is matched with the bottom shell 10 of the dewatering barrel through the through hole on the stopper 30, thereby fixing the stopper 30 on the bottom shell 10 of the dewatering barrel.

According to some embodiments of the present invention, as shown in fig. 1-2, the laundry treating apparatus 1 further includes a balance ring 60, the balance ring 60 is capable of maintaining the balance of the spin-drying tub 40 during the laundry washing process, the balance ring 60 is disposed at one end of the spin-drying tub 40, and particularly, the balance ring 60 is disposed at one end away from the stopper 30, thereby maintaining the balance of the spin-drying tub 40 and ensuring the normal operation of the laundry treating apparatus 1.

According to some embodiments of the present invention, as shown in fig. 2, a pulsator support 23 is disposed between the pulsator reel 20 and the dehydration tub bottom case 10, and the pulsator support 23 is adapted to connect the pulsator reel 20 with the driving member. The pulsator support 23 is provided on a projection of the axial direction of the support portion 21, and the pulsator support 23 may extend in the axial direction of the pulsator tray 20 so that the support portion 21 faces the pulsator support 23. The pulsator reel 20 is connected to the driving member by a pulsator stand 23 and supports the pulsator reel 20 on the dehydration tub base 10. In one embodiment of the present invention, the driving member is a motor, and the motor drives the wave wheel disc 20 to move, so as to rotate the clothes.

According to some embodiments of the present invention, as shown in fig. 3, the pulsator disk 20 includes a support portion 21 and an expansion portion 22, the pulsator disk 20 is connected with the pulsator support 23, the support portion 21 of the pulsator disk 20 is adapted to be connected with the pulsator support 23, and the pulsator disk 20 having the support portion 21 enables the connection of the pulsator disk 20 with the spin-drying tub bottom case 10 to be more stable, thereby enabling the operation of the laundry treating apparatus 1 to be more stable. The pulsator support 23 is provided on a projection of the axial direction of the support portion 21, and the pulsator support 23 may extend in the axial direction of the pulsator tray 20 so that the support portion 21 faces the pulsator support 23. The expanding portions 22 are disposed at the periphery of the supporting portion 21, and the pulsator support 23 and the expanding portions 22 are disposed in a staggered manner, so that the expanding portions 22 are exposed toward one side surface of the pulsator support 23, thereby reducing a gap between the pulsator support 23 and the pulsator disk 20, and meanwhile, the gap between the supporting portion 21 and the pulsator disk 20 is open in the circumferential direction, and dirt located in the gap is easily discharged. In one embodiment according to the present invention, the expansion part 22 has a blade 221 thereon, and the blade 221 can rotate the water flow.

Further, the setting direction of the pulsator support 23 is the same as the projection direction of the support portion 21 in the axial direction, and the pulsator support 23 is located within the projection of the support portion 21 in the axial direction. The quality of the impeller bracket 23 can be greatly reduced by arranging the impeller bracket 23 to support the impeller disc 20, so that the light weight of the impeller assembly is realized; meanwhile, the regions opposite to each other between the impeller bracket 23 and the impeller disc 20 are small, the gap between the impellers and the impeller disc 20 is small in area, dirt is easily discharged, and secondary pollution to clothes cannot occur.

Further, the pulsator support 23 is provided with a reinforcing rib formed at an outer circumference of the pulsator support 23 and disposed away from the support part 21 in a radial direction.

In an embodiment of the present invention, the pulsator support 23 includes a fitting plate and a mounting cylinder, the fitting plate is opposite to and connected to the support portion 21 so as to connect the pulsator support 23 to the pulsator plate 20, the extension portion 22 is disposed at the periphery of the support portion 21, the extension portion 22 has blades 221 thereon, the direction in which the pulsator support 23 is disposed is the same as the direction in which the support portion 21 extends, and the pulsator support 23 is disposed on the projection in the axial direction of the support portion 21. The mounting cylinder is arranged at one end of the matching disc far away from the supporting part 21 and is used for matching the impeller bracket 23 with the impeller disc 20. Reinforcing ribs are arranged on the mounting cylinder of the impeller bracket 23, and three reinforcing ribs are uniformly distributed on the periphery of the mounting cylinder of the impeller bracket 23; the reinforcing rib is provided with a support leg, and the support leg is formed at the bottom of the matching disc and extends along the reinforcing rib and towards the extending direction of the reinforcing rib; the stabilizer blade has three, and three stabilizer blade evenly distributed is in the strengthening rib periphery, and one end and the installation section of thick bamboo zonulae occludens of one of them stabilizer blade.

According to some embodiments of the present invention, as shown in fig. 3, a mounting hole is formed in the pulsator support 23, the mounting hole is a driving shaft mounting hole 23a, and the driving shaft of the driving member is disposed through the driving shaft mounting hole 23a to drive the pulsator to move, thereby driving the water flow to rotate the laundry; the drive shaft is connected to the support portion 21, and the drive shaft can drive the pulsator to move by driving the pulsator disk 20 to which the support portion 21 is connected.

According to some embodiments of the present invention, as shown in fig. 3, the laundry treating apparatus 1 further includes a bushing 70, the bushing 70 being disposed inside the pulsator support 23, the bushing 70 being adapted to pass the driving shaft therethrough, and being used to support the rotation of the driving shaft, and at the same time, the bushing 70 being disposed to prevent contact wear between the driving shaft and the driving shaft mounting hole 23 a. Further, a bushing 70 is adapted to be disposed over the drive shaft. Further, the boss 70 is fitted into the drive shaft mounting hole 23a by interference fit and is disposed to penetrate the outer peripheral portion of the drive shaft.

According to one embodiment of the present invention, the laundry treating apparatus 1 includes a spin-water tub bottom case 10, a pulsator tray 20, a stopper 30, a spin-water tub 40, a fastening member 50, a balance ring 60, and a shaft bushing 70. The dehydration barrel bottom case 10 comprises a bottom wall and a side wall: the side wall is provided at a peripheral edge portion of the bottom wall, and the side wall extends toward a direction away from the bottom wall, the side wall and the bottom wall defining a mounting cavity, and the stopper 30 is provided between the peripheral edge and the side wall of the wave disk 20.

A wave wheel bracket 23 is arranged between the wave wheel disc 20 and the dehydration barrel bottom shell 10, and the wave wheel bracket 23 can connect the wave wheel disc 20 with a driving piece and support the wave wheel disc 20 on the dehydration barrel bottom shell 10; a driving shaft mounting hole 23a is formed in the impeller bracket 23, and a driving shaft of the driving part penetrates through the driving shaft mounting hole 23 a; the shaft sleeve 70 is disposed in the drive shaft mounting hole 23a, and the shaft sleeve 70 is fitted around the outer periphery of the drive shaft by interference fit. The wave wheel disc 20 comprises a supporting part 21 and an expanding part 22, the wave wheel disc 20 is rotatably arranged in the installation cavity, the supporting part 21 can be connected with the wave wheel bracket 23, the expanding part 22 is arranged on the periphery of the supporting part 21, the periphery edge of the expanding part 22 is abutted against the stop part 30, and blades 221 are arranged on the expanding part 22; the impeller bracket 23 is provided with a matching disc and an installation cylinder, the impeller bracket 23 is provided with three reinforcing ribs 23b, and the three reinforcing ribs 23b are uniformly distributed around the periphery of the installation cylinder of the impeller bracket 23.

The stop piece 30 is connected with the dewatering barrel bottom shell 10, the section of the stop piece 30 in the circumferential direction is in an L shape, the inner side of the L-shaped stop piece 30 is tightly attached to the impeller disc 20, and the outer side of the L-shaped stop piece 30 is tightly attached to the side wall of the dewatering barrel 40 and the bottom wall of the dewatering barrel 40; the stop member 30 is adapted to be arranged as a stop ring, which comprises a connecting portion 31 and a stop portion 32. The connecting portion 31 of the stopper 30 is adapted to be disposed in a ring shape, the connecting portion 31 is fixedly connected with the bottom shell 10 of the dewatering tub, the stopper 32 is disposed at the outer circumferential portion of the connecting portion 31, and the stopper 32 extends toward the direction of the dewatering chamber, at least a portion of the stopper 32 is disposed between the inner circumferential wall of the dewatering tub 40 and the outer circumferential edge of the pulsator disk 20.

The dehydration tub 40 is disposed at an upper side of the pulsator 20, and the pulsator 20 and the dehydration tub 40 define a dehydration chamber. The fastening member 50 is a screw, and the stopper 30 can be fixed to the bottom case 10 of the spin-drying tub by tightening the screw. The balance ring 60 is disposed at one end of the dehydrating tub 40, and particularly, the balance ring 60 is disposed at one end distant from the stopper 30.

When the clothes treating apparatus 1 is in operation, the driving member drives the pulsator to rotate, the shaft sleeve 70 prevents the driving member from being worn, the balance ring 60 maintains the balance of the spin-drying tub 40, the screw fixes the stopper 30 to the bottom case 10 of the spin-drying tub, and the stopper 30 prevents foreign matters from leaking into a gap formed between the installation cavity and the pulsator disk 20. The stopper 30 is fixed on the dewatering tub bottom case 10 by a screw, a certain gap is formed between the top end of the stopper 30 and the lower surface of the pulsator, and the shape and size of the stopper 30 are designed according to the shape of the dewatering tub bottom case 10 to be matched with the dewatering tub bottom case 10 closely. When foreign matters such as coins, buttons, hairpins and the like fall from the gaps of the impeller, the foreign matters are effectively blocked by the top of the stop piece 30, and the foreign matters are prevented from entering the lower part of the impeller; fine foreign substances such as lint can be discharged through a gap between the pulsator and the stopper 30.

According to the clothes treatment equipment 1, the stop piece 30 is arranged at the bottom shell 10 of the dewatering barrel, a gap formed by the installation cavity and the impeller disc 20 can be closed, foreign matters are prevented from leaking into the barrel bottom, the stop piece 30 of the clothes treatment equipment 1 can be detached and optionally matched, the clothes treatment equipment is suitable for heating clothes treatment equipment 1 and non-heating clothes treatment equipment 1, the universality is high, the clothes treatment equipment can be applied to various clothes treatment equipment 1, the problem that the foreign matters of the clothes treatment equipment 1 can leak into the barrel bottom is well solved while the use experience of a user is improved, and meanwhile, the discharge of thread scraps and the like is not influenced. The laundry treating apparatus 1 according to the present invention has the characteristics of low cost and small mass at the same time, and reduces secondary pollution in the laundry washing process due to the gap left between the pulsator rack 23 and the pulsator disk 20.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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

Claims

1. A laundry treating apparatus, comprising:

the dewatering drum comprises a dewatering drum bottom shell, wherein an installation cavity is formed in the dewatering drum bottom shell;

the wave wheel disc is rotatably arranged in the mounting cavity;

the stopper is connected with the dewatering barrel bottom shell, and one end of the stopper is located between the outer peripheral edge of the wave wheel disc and the inner peripheral wall of the mounting cavity.

2. The laundry treating apparatus according to claim 1, further comprising: the dewatering barrel is arranged on the upper side of the impeller disc and limits a dewatering cavity with the impeller disc, and the end face of one end of the stop piece and the impeller disc are jointly constructed into the bottom wall of the dewatering cavity.

3. The laundry treating apparatus of claim 2, wherein the drain tub bottom case includes:

the wave wheel disc comprises a bottom wall and a side wall, wherein the side wall is arranged on the peripheral edge of the bottom wall and extends towards the direction far away from the bottom wall, the side wall and the bottom wall define the installation cavity, and the stop piece is arranged between the peripheral edge of the wave wheel disc and the side wall.

4. The laundry processing apparatus according to claim 3, wherein the stopper is configured as a check ring, and includes:

a connecting portion configured in a ring shape and fixedly connected with the bottom wall;

the stopping part is arranged on the outer peripheral edge of the connecting part and extends towards the dehydration cavity, and at least part of the stopping part is arranged between the inner peripheral wall of the dehydration barrel and the outer peripheral edge of the wave wheel disc.

5. The laundry treating apparatus according to claim 4, further comprising: and the fasteners penetrate through the connecting part and the bottom wall respectively to be suitable for fixing the stop piece on the bottom shell of the dewatering barrel.

6. The laundry treating apparatus according to claim 2, further comprising: the balance ring is arranged at one end, far away from the stop piece, of the dewatering barrel.

7. The laundry processing apparatus of claim 1, wherein a pulsator support is disposed between the pulsator wheel and the bottom case of the spin-drying tub, the pulsator support being adapted to connect the pulsator wheel to a driving member.

8. The laundry processing apparatus of claim 7, wherein the pulsator disk comprises:

a support part adapted to be connected with the pulsator bracket;

the expansion part is arranged on the periphery of the supporting part, and the peripheral edge of the expansion part abuts against the stop part.

9. The laundry treating apparatus according to claim 8, wherein a driving shaft mounting hole is provided in the pulsator support, and the driving shaft of the driving member is coupled to the support portion through the driving shaft mounting hole.

10. The laundry treating apparatus according to claim 9, further comprising: the shaft sleeve is arranged in the driving shaft mounting hole and is suitable for being sleeved on the periphery of the driving shaft.