CN111850976A

CN111850976A - Washing machine

Info

Publication number: CN111850976A
Application number: CN201910359446.6A
Authority: CN
Inventors: 郝兴慧; 吕艳芬; 王瑞贤; 贾若坦; 劳春峰; 许升
Original assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-10-30

Abstract

The invention discloses a washing machine, comprising: the second barrel body is coaxially arranged in the first barrel body; the side wall of the second barrel body is provided with a reinforcing structure used for increasing the strength of the side wall of the second barrel body. Through add the reinforcing ring on the lateral wall of second staving, increased the lateral wall intensity of second staving, prevent that the lateral wall of second staving from appearing warping when receiving the clothing effort and then appearing the emergence of the condition that the bung hole of second staving pressed from both sides the clothing to promote user's use and experience, increase the life of second staving.

Description

Washing machine

Technical Field

The invention belongs to the field of household appliances, and particularly relates to a washing machine.

Background

The washing machine becomes one of the indispensable household appliances of every family nowadays, and the washing machine invention provides great convenience for our life, and saves the time for us to wash clothes. The existing washing machines are classified according to the structural principle, and the most widely applied washing machines are pulsator washing machines and drum washing machines. The pulsator washing machine comprises an inner tub, wherein a pulsator with convex ribs is arranged at the center of the bottom of the inner tub, and when the washing machine is used for washing, the pulsator rotates to drive water flow to form spiral vortex water flow, so that clothes are driven to rotate and turn over to achieve the washing purpose.

The existing pulsator washing machine mostly washes by rotating a pulsator, the washing mode is single, and in order to improve the washing effect of the pulsator washing machine, the existing pulsator washing machine is improved aiming at the washing mode. For example, when the existing double-power impeller washing machine is used for washing, the impeller and the inner barrel are controlled to rotate simultaneously, and the rotation directions are opposite, so that the impeller and the inner barrel can be stirred in the reverse rotation direction to form more various water flows, the overturning form of clothes is increased, compared with the impeller washing machine with the impeller rotating singly, the washing mode is diversified, and the washing effect is better.

Although the existing double-power pulsator washing machine increases the washing modes of clothes to a certain extent and improves the washing effect, the washing modes are still not diverse enough, and the washing modes of the clothes cannot be changed according to the specific conditions of the clothes.

Chinese patent application No. 201511022950.5 discloses a washing machine, an inner tub device, a washing and dewatering control module, and a washing method, the inner tub device including a first washing tub, a pulsator embedded in the first washing tub, a second washing tub nested outside the first washing tub, and a transmission system connecting the first washing tub, the pulsator, and the second washing tub. Although the problem is solved, the first washing barrel and the second washing barrel are both thin-wall sheet metal parts, and the thin-wall sheet metal parts are easy to deform under the action force of clothes, so that the first washing barrel mouth is deformed, and clothes clamping is caused.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a washing machine.

In order to solve the technical problems, the invention adopts the technical scheme that: a washing machine comprising: the second barrel body is coaxially arranged in the first barrel body; the side wall of the second barrel body is provided with a reinforcing structure used for increasing the strength of the side wall of the second barrel body.

Further, the reinforcing structure is arranged at the upper part of the side wall of the second barrel body.

Preferably, the reinforcing structure is arranged on the bung of the second bucket body.

Furthermore, the first barrel body is provided with a first barrel body section at the upper part and a second barrel body section with the lower part of the inner diameter being enlarged, the second barrel body is arranged in the second barrel body section, the second barrel body section comprises an inner diameter enlarging part and a transition connecting part for connecting the inner diameter enlarging part and the first barrel body section, the reinforcing structure is arranged on a barrel opening of the second barrel body, and the reinforcing structure is positioned below the transition connecting part.

Further, the reinforcing structure is arranged along the circumferential direction of the side wall of the second barrel body.

Preferably, the reinforcing structure is an integral annular structure arranged along the circumferential direction of the side wall of the second barrel body.

Furthermore, the reinforcing structure is an annular convex rib on the bung hole of the second bung body or a reinforcing ring fixedly connected with the bung hole of the second bung body.

Furthermore, the bottom of the reinforcing ring is provided with an annular clamping groove, the annular clamping groove is fixedly clamped with the top end of the side wall of the second barrel body, and the top of the reinforcing ring is arranged at an interval with the transition connecting part.

Preferably, the diameter of the outer wall of the reinforcing ring is unchanged, and the diameter of the inner wall of the reinforcing ring is gradually increased from the arrangement position of the annular clamping groove to the top of the reinforcing ring to be equal to the diameter of the outer wall.

Furthermore, a sealing element is arranged on the reinforcing ring and is in sealing contact with the small-opening end of the transition connecting part.

Furthermore, the inner wall of the reinforcing ring is flush with the inner wall of the first barrel section.

Further, still include: the wave wheel is rotatably arranged at the bottom of the second barrel body; the driving device at least comprises a first power output end, a second power output end and a third power output end; the first power output end is connected with the first barrel body to drive the first barrel body to rotate, the second power output end is connected with the second barrel body to drive the second barrel body to rotate, and the third power output end is connected with the impeller to drive the third barrel body to rotate.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

According to the invention, the reinforcing ring is additionally arranged on the barrel opening of the second barrel body, so that the barrel opening strength of the second barrel body is increased, and the phenomenon that the side wall of the second barrel body is deformed when being subjected to acting force of clothes so as to clamp the clothes at the barrel opening of the second barrel body is prevented, thus the use experience of a user is improved, and the service life of the second barrel body is prolonged.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic view showing a structure of a washing machine according to the present invention;

FIG. 2 is an enlarged view of the invention at A in FIG. 1;

FIG. 3 is a schematic view of the washer of the present invention;

FIG. 4 is a schematic view of a second embodiment of the washing machine of the present invention;

FIG. 5 is a schematic view of a third embodiment of the washer of the present invention;

FIG. 6 is a first flowchart of a control method of the washing machine according to the present invention;

FIG. 7 is a second flowchart of a control method of the washing machine according to the present invention;

FIG. 8 is a third flowchart of a control method of the washing machine of the present invention;

FIG. 9 is a schematic view of a pulsator washing machine according to a fourth embodiment of the present invention;

FIG. 10 is a schematic view of a pulsator washing machine according to a fifth embodiment of the present invention;

fig. 11 is a schematic diagram six of the pulsator washing machine according to the present invention.

In the figure: 1. a box body; 2. an outer tub; 3. a shock absorbing boom; 4. a first barrel body; 41. a first barrel section; 42. a transition connection; 43. a second barrel section; 5. a reinforcing ring; 6. a second barrel body; 7. a third power output; 8. a second power output; 9. a drive motor; 10. a first power output; 11. an impeller; 12. a balance ring; 13. a damping shock absorber; 20. and (5) a shielding structure.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention provides a washing machine with a first barrel body and a second barrel body, wherein the second barrel body is coaxially arranged in the first barrel body, the washing machine can be a pulsator washing machine or a roller washing machine, and the specific structure and the control method of the washing machine are described in detail by taking the pulsator washing machine as an example and using a plurality of embodiments.

Example one

In one embodiment, as shown in fig. 1-2, the present invention relates to a washing machine comprising:

a first barrel 4;

the second barrel body 6 is coaxially arranged in the first barrel body 4;

the wave wheel 11 is rotatably arranged at the bottom of the second barrel body 6;

the driving device at least comprises a first power output end 10, a second power output end 8 and a third power output end 7;

the first power output end 10 is connected with the first barrel 4 to drive the first barrel to operate, the second power output end 8 is connected with the second barrel 6 to drive the second barrel to operate, and the third power output end 7 is connected with the impeller 11 to drive the third barrel to operate.

As an embodiment of the present embodiment, a reinforcing structure for increasing the strength of the sidewall of the second tub 6 is provided on the sidewall of the second tub 6. The additional strengthening's setting has increased the bung hole intensity of second staving 6, prevents that the lateral wall of second staving 6 from appearing warping when receiving the clothing effort, and the bung hole of second staving 6 presss from both sides the condition of clothing appears to promote user's use and experience, increase the life of second staving.

Specifically, the reinforcing structure may be disposed at a lower portion of a sidewall of the second tub 6 or a middle portion of a sidewall of the second tub 6 or an upper portion of the second tub 6, and it is considered that the upper portion of the sidewall of the second tub 6 is more easily deformed by stress, causing deformation of the mouth of the second tub 6 and thus forming a gap between the mouth of the second tub 6 and the first tub to easily pinch the laundry at the gap. In the embodiment, the reinforcing structure is disposed on the upper portion or the bung of the second barrel body 6, and it should be explained here that the bung of the second barrel body 6 is the top end of the side wall of the second barrel body 6.

In one embodiment of the present invention, the first barrel 4 has an upper first barrel section 41 and a lower enlarged inner diameter second barrel section 43, the second barrel 6 is disposed in the second barrel section 43, the second barrel section 43 includes an enlarged inner diameter portion and a transition portion 42 connecting the enlarged inner diameter portion and the first barrel section, the reinforcing structure is disposed on the bung of the second barrel 6, and the reinforcing structure is located below the transition portion 42. The additional strengthening sets up the effect that can not only be fine play enhancement second staving 6 intensity on the bung hole of second staving 6 prevents that the bung hole warp, is located the rotation that transition connecting portion 42 below second staving 6 can not influence first staving 4.

As an embodiment of the present embodiment, the reinforcing structure is circumferentially disposed along the sidewall of the second barrel body 6. Specifically, the reinforcing structure can be circumferentially arranged along the side wall of the second barrel body 6 at intervals, so that the purpose of saving materials can be achieved. Or the reinforcing structure can also be an integral annular structure arranged along the circumferential direction of the side wall of the second barrel body 6 so as to better achieve the aim of reinforcing the barrel body.

As an implementation manner of this embodiment, the reinforcing structure is an annular rib on the bung of the second barrel 6, and the annular rib is formed by extending the sidewall near the bung of the second barrel 6 outwards as a whole or integrally connected to the bung of the second barrel 6. The design increases the joint strength of the reinforcing structure and the second barrel body 6, so that the barrel body can not fall off in the fast rotating process.

As an embodiment of the present embodiment, the reinforcing structure is a reinforcing ring 5 fixedly connected to the bung of the second barrel body 6. On the basis of not changing the structure of the second barrel body 6, the second barrel body 6 does not need to be manufactured again, and the purpose of strengthening the barrel opening of the second barrel body 6 can be achieved only by additionally arranging the reinforcing ring 5.

Furthermore, the bottom of the reinforcing ring 5 is provided with an annular clamping groove, the annular clamping groove is fixedly clamped with the barrel opening of the second barrel body 6, and the top of the reinforcing ring 5 is arranged at an interval with the transition connecting part 42. The reinforcing ring 5 does not influence the rotation of the first barrel 4 after being fixedly installed with the opening of the second barrel 6.

Specifically, the diameter of the outer wall of the reinforcing ring 5 is unchanged, and the diameter of the inner wall of the reinforcing ring 5 is gradually increased from the arrangement position of the annular clamping groove to the top of the reinforcing ring 5 to be equal to the diameter of the outer wall. That is, the inner wall of the reinforcing ring 5 gradually shrinks outwards, so that the reinforcing ring 5 does not protrude out of the washing space of the washing drum as much as possible, and the washing is prevented from being influenced.

In order to avoid the crack between the two parts of the first barrel body 4 and the second barrel body 6 which run oppositely, the clothes in the barrel are prevented from being damaged by the crack during the operation process. The reinforcing ring 5 is further provided with a sealing element, and the sealing element is in sealing contact with the small-opening end of the transition connecting part 42.

Further, the inner wall of the reinforcing ring 5 is flush with the inner wall of the first barrel section 41, so that the inner surface of the barrel looks flat and integral, and the sealing installation of the sealing element is easier.

Example two

As shown in fig. 3-5, a pulsator washing machine has a first barrel 4, a second barrel 5 and three rotating parts of a pulsator 11, realize the respective operation of the first barrel 4, the second barrel 5 and the three rotating parts of the pulsator 11 through a control driving device, two-by-two combination operation and three-by-three simultaneous operation, the work form of the pulsator washing machine is greatly enriched, different operation modes can be selected corresponding to different types of clothes, the washing form is enriched, the three-dimensional effect of washing water flow is enhanced, the washing effect is further improved, and the use experience of users is greatly improved.

Further, the bung hole of the second barrel 6 according to this embodiment is lower than the bung hole of the first barrel 4, and the bung hole of the first barrel 4 is installed with the balance ring 12. In the first tub 4 of the present embodiment, the second tub 6 having a smaller volume is disposed therein, so that it is also possible to select whether the first tub 4 operates alone or the second tub 6 operates alone or whether the first tub 4 and the second tub 6 operate simultaneously according to the weight of the laundry or the set washing water level, and it is possible to select more operation modes in combination, and it is more suitable for washing laundry of different types or different weights. The balance ring 12 is installed at the opening of the first barrel 4, so that the balance of the whole barrel assembly can be realized, the installation mode of the balance ring is not changed, and the balance ring is easy to realize.

As an embodiment of the present embodiment, the first barrel 4 has an upper first barrel section 41 and a lower second barrel section 43 with an enlarged inner diameter, the second barrel 6 is disposed in the second barrel section 43, and the inner wall of the second barrel 6 is flush with the inner wall of the first barrel section 41. The whole configuration of the first barrel body 4 is changed, the barrel-shaped structure with one end with the increased inner diameter is designed, the barrel wall of the second barrel body 6 can be kept flush when the second barrel body is arranged inside the first barrel body 4, and the inner surface of the barrel body looks flat and integral.

As an implementation manner of this embodiment, the second barrel 6 is a non-porous barrel without dewatering holes on the barrel wall, and the dewatering holes are opened on the barrel wall of the first barrel 4. Like this can realize that the clothing uses second staving 6 alone when less to wash, during the dehydration, second staving 6 high-speed rotatory also can be with washing water by the first staving 4 of upper portion opening exhaust in to via the dehydration hole of first staving 4, whole laundry process does not need the operation of first staving 4, has practiced thrift the energy.

Or, the second barrel body 6 is a non-porous barrel without dewatering holes on the barrel wall, and a circle of dewatering holes are arranged on the barrel wall of the first barrel body 4 only at the position of the barrel opening and higher than the highest water level of the inlet water. Like this can realize that the clothing uses second staving 6 alone when less to wash, during the dehydration, in second staving 6 high-speed rotatory also can be with washing water by the first staving 4 of upper portion opening exhaust, first staving 4 cooperates the high-speed rotation of second staving 6, and the water in the second staving 6 is arranged to first staving 4. And is discharged by the dehydration hole of opening part under the high-speed centrifugal action of first staving 4, and first staving 4 of whole laundry process and second staving 6 are the ladle, and no water has practiced thrift the water between the bucket, and avoids dirty accumulation between the bucket, keeps the bucket wall clean, promotes user experience.

Or, the dewatering holes are formed in the barrel walls of the first barrel body 4 and the second barrel body 6, so that dewatering and drainage are facilitated, and dewatering rate is improved.

As an implementation manner of the embodiment, the pulsator washing machine further includes an outer tub 2 and a cabinet 1, and the first tub 4 is disposed in the cabinet 1; the outer barrel 2 is suspended in the box body 1 through the damping hanger rod 3, or the outer barrel 2 is supported in the box body through the damping shock absorber 13, or the outer barrel 2 is suspended in the box body 1 through the damping hanger rod 3, and the damping shock absorber 13 is arranged between the bottom of the outer barrel 2 and the box body 1.

As shown in fig. 3, the tub 2 is suspended in the cabinet 1 by a damper hanger 3.

As shown in fig. 4, the tub 2 is suspended in the cabinet 1 by the damper hanger 3, and a damper 13 is provided between the bottom of the tub 2 and the cabinet 1.

As shown in fig. 5, the tub 2 is shown supported in the cabinet by a damper 13.

In order to realize the operation of the pulsator, the first tub 4 and the second tub 6 of the pulsator washing machine of the present embodiment, the driving apparatus of the present application has the following three structural designs:

the first mode, drive arrangement include driving motor 9, decelerator and clutch, and decelerator includes input shaft, input shaft sleeve, reduction gear train, first output shaft, second output shaft and third output shaft, first power take off end be first output shaft, second power take off end is the second output shaft, third power take off end is the third output shaft.

The control system of the washing machine switches the input shaft and/or the input shaft sleeve to be in transmission connection with the driving motor through the control clutch device, the speed reduction gear train reduces the speed and distributes the rotation of the driving motor connected through the input shaft and/or the input shaft sleeve, and the rotation is output by the first output shaft and/or the second output shaft and/or the third output shaft to respectively drive the first barrel body and/or the second barrel body and/or the impeller to operate.

In a second mode, the driving device comprises a direct drive motor, and the direct drive motor comprises a stator, a first rotor, a second rotor and a third rotor; the first power output end is a first rotor, the second power output end is a second rotor, and the third power output end is a second rotor; the control system of the washing machine drives the first barrel body and/or the second barrel body and/or the impeller to rotate respectively by controlling the first rotor and/or the second rotor and/or the third rotor to rotate.

The driving device comprises a first driving motor, a second driving motor and a third driving motor, wherein the first power output end is an output shaft of the first driving motor, the second power output end is an output shaft of the second driving motor, and the third power output end is an output shaft of the third driving motor; the control system of the washing machine drives the first barrel body and/or the second barrel body and/or the impeller to operate by controlling the operation of the first driving motor and/or the second driving motor and/or the third driving motor.

EXAMPLE III

In this embodiment, since the inner diameter of the second barrel section 43 of the first barrel 4 is larger than the barrel diameter of the second barrel 6, and a certain gap is formed between the second barrel section 43 and the second barrel 6, during the operation of the washing machine, the laundry is easily mixed in the gap between the two barrels, and therefore, the shielding structure 20 for shielding the gap between the two barrels is provided in this embodiment.

As shown in fig. 9 to 11, a shielding structure 20 for shielding a gap between the first barrel 4 and the second barrel 6 is disposed on the first barrel 4 and/or the second barrel 6, and the shielding structure 20 shields the gap between the two barrels, so that the phenomenon that clothes are mixed in the gap during the operation of the barrels, and the clothes are torn to damage the clothes or interfere with the normal operation of the washing machine can be effectively avoided.

In one scheme, the shielding structure 20 is a shielding part formed by bending the barrel wall of the first barrel 4 inwards to the rim of the barrel opening of the second barrel 6 at the position of the barrel opening of the second barrel 6, and the shielding structure 20 is formed by changing the shape of the barrel wall of the first barrel 4, so that the forming is simple, the installation steps are reduced, and the strength of the barrel can be enhanced.

Specifically, as shown in fig. 9, the first barrel 4 includes a lower second barrel section 43 and an upper first barrel section 41, the lower second barrel section 43 and the upper first barrel section 41 have the same barrel diameter, the second barrel 6 is located in the lower second barrel section 43 and has the same height as the second barrel section 43, and the shielding structure 20 is a transition connection 42 formed by horizontally bending an upper edge of the second barrel section 43 inward to a rim of a barrel opening of the second barrel 6 and then bending the upper edge obliquely outward to a lower rim of the first barrel section 41.

Or, the height of the second barrel body 6 is greater than the height of the second barrel body section 43, and the shielding structure 20 is a transition connection part 42 formed by bending the upper edge of the second barrel body section 43 obliquely and inwardly to the rim of the barrel opening of the second barrel body 6 and then horizontally and outwardly or obliquely and outwardly to the lower edge of the first barrel body section 41.

In the above scheme, the shielding structure 20 is formed by bending the barrel wall of the first barrel 4 inwards to the edge of the second barrel 6 and then reversely outwards, so that the gap between the two barrels is shielded, and the change of the capacity of the first barrel 4 is reduced to the maximum extent.

In one embodiment, as shown in fig. 10, the barrel diameters of the upper and lower barrel sections of the first barrel 4 are different, and specifically, the first barrel 4 includes a lower second barrel section 43 and an upper first barrel section 41, the barrel diameter of the second barrel section 43 is larger than that of the first barrel section 41, and the barrel diameter of the second barrel 6 is not smaller than that of the first barrel section 41 and smaller than that of the second barrel section 43. Preferably, the barrel diameter of the second barrel 6 is equal to the barrel diameter of the first barrel section 41, so that the inner wall surfaces of the two barrel bodies are flush when viewed from the inside of the washing machine, and the overall aesthetic property is enhanced, in this scheme, the shielding structure 20 is a transition connection part 42 formed by inclining or horizontally extending the upper edge of the second barrel section 43 to the lower edge of the first barrel section 41.

In one scheme, as shown in fig. 11, the first barrel 4 comprises a lower second barrel section 43 and an upper first barrel section 41, the second barrel 6 is located in the second barrel section 43 and has the same height as the second barrel section 43, the shielding structure 20 is a thickened wall arranged on the inner wall of the first barrel section 41, the thickened wall has a thickness equal to the vertical distance between the inner wall of the second barrel 6 and the inner wall of the first barrel section 41, so that not only can a gap between the two barrels be shielded, but also the strength of the first barrel 4 is enhanced, and the inner wall of the thickened wall is flush with the inner wall of the second barrel 6, thereby enhancing the overall aesthetic property.

In one scheme, the shielding structure 20 is an annular shielding member disposed on the inner wall of the first barrel 4, the shielding member can be made of rubber, plastic or the like, a mounting hole can be formed in the wall of the first barrel 4, the shielding member is mounted on the first barrel 4 through threaded connection, or a corresponding mounting position can be formed in the wall of the first barrel 4, and the shielding member is fixed on the first barrel 4 through clamping. In this scheme, shelter from structure 20 adopts the shielding piece that sets up on first bucket body 4, the shielding piece is the general piece, the large batch production of being convenient for to the mode that shielding piece passes through screw thread or joint is connected on first bucket body 4 in this scheme, convenient to detach changes.

In this embodiment, the shielding structure 20 may also be disposed on the second barrel 6, specifically, the barrel diameter of the first barrel 4 is greater than that of the second barrel 6, and the shielding structure 20 is a shielding portion formed by extending the upper edge of the second barrel 6 outward to the inner wall of the first barrel 4.

In another scheme, the shielding structure 20 is an annular shielding member disposed at the rim of the bung of the second barrel 6, the annular shielding member is connected to the barrel wall of the second barrel 6 by clamping or screwing, and the shielding member is disposed on the barrel wall of the second barrel 6, which is easier to detach or replace than the barrel wall of the first barrel 4. For example, when the shielding member is screwed to the first barrel 4, the shielding member needs to be fastened to the back of the first barrel 4 by screws, and when the shielding member is detached, the outer barrel or the box body needs to be opened, and the screws are screwed off, so that the shielding member can be replaced. The second barrel body 6 is arranged, so that when the shielding piece is disassembled or replaced, the operation can be directly carried out without opening the outer barrel or the box body.

In this embodiment, sheltering from structure 20 also can set up on first staving 4 and second staving 6, and is concrete, shelter from structure 20 including setting up the first structure of sheltering from at first staving 4 and the second structure of sheltering from of setting up at second staving 6, first structure of sheltering from and the second structure of sheltering from are crisscross each other, shelter from the clearance position between 6 bung holes of second staving and first staving 4 jointly, through establishing the first structure of sheltering from and the second structure of sheltering from of setting up that interlocks each other at first staving 4 and second staving 6, compare with set up alone at first staving 4 or second staving 6 and shelter from the structure, shelter from more closely, because the two crisscross setting can not have a bit gap, more effectually avoid the clothes to mix with the condition in the clearance and take place.

Specifically, first sheltering from the structure for the first shielding portion of the inside bending type of 4 bucket walls of first staving, the second shelters from the structure for the inside outside second sheltering from that extends the formation of 6 bucket walls of second staving, first sheltering from portion and second sheltering from the portion and crisscross setting each other, shelter from the clearance position between 6 bung holes of second staving and first staving 4 jointly.

Or, the first shielding structure is a first annular shielding piece arranged on the barrel wall of the first barrel body 4, the second shielding structure is a second annular shielding piece arranged on the barrel wall of the second barrel body 6, and the first annular shielding piece and the second annular shielding piece are mutually staggered and shield a gap position between the barrel opening of the second barrel body 6 and the first barrel body 4 together.

Example four

As shown in fig. 1 to 8, the present embodiment provides a control method of a washing machine including a first tub 4, a second tub 6 coaxially disposed within the first tub 4, a pulsator 11 disposed within the second tub 6, and a driving device, the control method including:

the washing machine drives the first barrel body 4 and/or the second barrel body 6 and/or the impeller 11 to operate through the control driving device to carry out washing working conditions;

the washing machine drives at least the second barrel body 6 and the impeller 11 to rotate in the same speed and the same direction by controlling the driving device to carry out the dehydration working condition.

In the control method of the pulsator washing machine of the embodiment, the first barrel 4, the second barrel 6 and the pulsator 11 are controlled by the driving device to realize multi-form rotation, so that at least the barrel assembly and the pulsator move relatively in a washing process, and the purposes of rubbing clothes to be washed and improving the washing efficiency of the washing machine are achieved.

In the dehydration working condition of the embodiment, the driving device at least drives the second barrel body 6 and the impeller 11 to rotate in the same speed and direction, for example, only the second barrel body 6 is used for washing a small amount of clothes; when a large amount of laundry is washed using the first tub 4, the second tub 6, and the pulsator 11 need to be controlled to rotate together for dehydration.

The washing machine of the embodiment has three rotating parts, namely a first barrel body 4, a second barrel body 6 and a wave wheel 11, different washing procedures are realized by controlling the operation of different rotating parts and the combined control among the rotating parts, and the washing forms of the washing machine of the embodiment are greatly increased, so that the control method of the washing machine of the embodiment comprises the following steps:

the washing machine drives the first barrel 4 or the second barrel 6 or the impeller 11 to independently operate through the control driving device to carry out washing working conditions.

Or, the washing machine drives any two of the first barrel 4, the second barrel 6 and the impeller 11 to run in the same direction or in opposite directions by controlling the driving device to carry out washing working conditions.

Or, the washing machine controls the driving device to simultaneously drive the first barrel 4, the second barrel 6 and the impeller 11 to rotate in the same direction or in the opposite direction to wash.

As shown in fig. 6, as an embodiment of the present embodiment, the control method of the washing machine of the present embodiment includes:

the washing machine acquires the weight M of clothes to be washed put into the first barrel;

judging whether the weight M is greater than or equal to a set value M0;

if the judgment result is yes, the washing machine drives the first barrel body to rotate by controlling the driving device, and simultaneously drives at least one of the second barrel body and the impeller to rotate to carry out a washing working condition;

if the judgment result is negative, the washing machine locks the first barrel body and drives at least one of the second barrel body and the impeller to rotate through the control driving device to carry out the washing working condition.

The corresponding barrel body operation is selected by judging the weight M of the clothes to be washed, the barrel body structure and the driving device of the washing machine are more reasonably utilized, meanwhile, the energy loss is saved, the working efficiency of the washing machine is improved, and the service life of the washing machine is prolonged.

As shown in fig. 7, as an embodiment of the present embodiment, the control method of the washing machine of the present embodiment includes:

The washing machine acquires a set value H of the water inlet level of a current washing program;

judging whether the set value H of the water inlet level is more than or equal to the set value H0;

The embodiment selects the corresponding barrel body to operate by judging the set value H of the water inlet level of the washing program, more reasonably utilizes the barrel body structure and the driving device of the washing machine, saves energy consumption, improves the working efficiency of the washing machine and prolongs the service life of the washing machine.

As shown in fig. 6 and 7, if the determination result is yes, the washing machine control driving device drives the pulsator to rotate in the opposite direction with respect to the first tub or the second tub in the washing condition, or the washing machine control pulsator control driving device simultaneously drives the first tub, the second tub, and the pulsator to rotate in the opposite direction to perform the washing condition in the washing condition;

If the judgment result is negative, the washing machine controls the driving device to drive the second barrel body and the impeller to rotate reversely in the washing working condition.

In the control method of the washing machine of the embodiment, the first barrel body, the second barrel body and the impeller respectively have two states of locking and unlocking, and when the washing machine receives a control instruction of a user, the corresponding first barrel body or second barrel body or impeller is unlocked and a corresponding washing program is executed.

As shown in fig. 8, the control method of the washing machine of the present embodiment includes:

the washing machine receives a washing program setting instruction of a user;

judging whether the first barrel rotating program is adopted;

if the judgment result is yes, controlling the first barrel body to unlock, executing a washing program for controlling the first barrel body to rotate, and if the judgment result is no, keeping the first barrel body in a locked state;

judging whether the program is a second barrel body rotation program;

if the judgment result is yes, controlling the second barrel body to unlock, executing a washing program for controlling the second barrel body to rotate, and if the judgment result is no, keeping the locking state of the second barrel body;

judging whether the program is a rotary program of the impeller;

if the judgment result is yes, the impeller is controlled to be unlocked, a washing program for controlling the rotation of the impeller is executed, and if the judgment result is no, the locking state of the impeller is kept.

Further, in the control method of the washing machine shown in fig. 6, at least one of the first tub rotating process, the second tub rotating process, and the pulsator rotating process is performed during each washing.

As an implementation manner of this embodiment, the control method of the washing machine of this embodiment includes a washing process and a rinsing process, and the first tub rotation process, the second tub rotation process, and the pulsator rotation process selected from the washing process and the rinsing process are the same or different.

Preferably, the washing process includes a triple power washing mode in which a first tub rotation process, a second tub rotation process, and a pulsator rotation process are simultaneously performed, and the rinsing process includes a combination of one or two of the first tub rotation process, the second tub rotation process, and the pulsator rotation process.

This embodiment washing machine's drive arrangement includes driving motor, decelerator and clutch, and decelerator includes input shaft, input shaft sleeve, speed reduction train, first output shaft, second output shaft and third output shaft, first output shaft connects first staving and drives its operation, and second output shaft connects second staving and drives its operation, and third output shaft connects the impeller and drives its operation:

The invention aims to provide a three-power washing machine.A driving device controls a first barrel body, a second barrel body and a wave wheel to realize multi-form rotation so as to realize the relative motion of at least a barrel component and the wave wheel in the washing process and realize the purposes of rubbing clothes to be washed and improving the washing efficiency of the washing machine.

Under the same program, different washing modes are adopted according to different water levels or load quantities, and meanwhile, in special programs (wool and the like), each program has respective power control logic, and after the programs are set, the control logic of each power transmitted component needs to be detected, so that the control state is judged.

The washing machine of the embodiment can realize single power, double power or triple power, can effectively adjust the output of the power according to the actual washing working condition, prevents the waste of energy, and prolongs the service life of the motor and the clutch structure.

The structure and the control method of the embodiment are not only suitable for the pulsator washing machine, but also suitable for a roller washing machine, a washing and drying integrated machine, a dish washing machine and the like.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A washing machine, characterized by comprising:

a first barrel body;

the second barrel body is coaxially arranged in the first barrel body;

the side wall of the second barrel body is provided with a reinforcing structure used for increasing the strength of the side wall of the second barrel body.

2. The washing machine as claimed in claim 1, wherein the reinforcing structure is provided at an upper portion of the sidewall of the second tub;

3. The washing machine as claimed in claim 1, wherein the first tub has an upper first tub section and a lower second tub section having an enlarged inner diameter, the second tub section being provided in the second tub section, the second tub section including an enlarged inner diameter portion and a transition portion connecting the enlarged inner diameter portion and the first tub section, the reinforcing structure being provided on a mouth of the second tub section, and the reinforcing structure being located below the transition portion.

4. The washing machine as claimed in claim 1, wherein the reinforcing structure is circumferentially provided along a sidewall of the second tub;

5. The washing machine as claimed in claim 3, wherein the reinforcing structure is an annular rib on the tub opening of the second tub body or a reinforcing ring fixedly connected with the tub opening of the second tub body.

6. The washing machine as claimed in claim 5, wherein the bottom of the reinforcing ring is provided with an annular clamping groove, the annular clamping groove is clamped and fixed with the barrel opening of the second barrel body, and the top of the reinforcing ring is arranged at an interval with the transition connecting part.

7. A washing machine as claimed in claim 5 wherein the diameter of the outer wall of the reinforcing ring is constant and the diameter of the inner wall of the reinforcing ring increases from the location of the annular slot to the top of the reinforcing ring.

8. A washing machine as claimed in claim 5 wherein a seal is provided on the reinforcing ring, the seal being in sealing contact with the small end of the transition connection.

9. A washing machine as claimed in claim 5 wherein the inner wall of the reinforcing collar is flush with the inner wall of the first body section.

10. The washing machine as claimed in any one of claims 1 to 9, further comprising:

the wave wheel is rotatably arranged at the bottom of the second barrel body;

the driving device at least comprises a first power output end, a second power output end and a third power output end;

the first power output end is connected with the first barrel body to drive the first barrel body to rotate, the second power output end is connected with the second barrel body to drive the second barrel body to rotate, and the third power output end is connected with the impeller to drive the third barrel body to rotate.