CN112301654A

CN112301654A - Washing machine

Info

Publication number: CN112301654A
Application number: CN201910681427.5A
Authority: CN
Inventors: 宋秀顺; 刘尊安
Original assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2021-02-02
Anticipated expiration: 2039-07-26
Also published as: CN112301654B

Abstract

The invention discloses a washing machine, which comprises a wave wheel and an inner barrel, wherein a sealing structure is arranged between the wave wheel and the inner barrel and used for sealing the area between the wave wheel and the inner barrel. The washing machine of the invention is provided with the sealing structure between the inner barrel and the impeller, thereby preventing dirt in washing water from entering a clearance area between the inner barrel and the impeller, forming dirt which is difficult to clean, breeding bacteria and causing secondary pollution to the washed clothes.

Description

Washing machine

Technical Field

The invention belongs to the technical field of washing machines, and particularly relates to a washing machine.

Background

The washing machine as a common household appliance provides a lot of convenience for our household life, the existing washing machine is generally provided with an outer barrel and an inner barrel, permeable holes are arranged on the inner barrel and a wave wheel, the outer barrel is a water containing barrel, and the inner barrel and the wave wheel rotate to stir clothes, so that the clothes are cleaned. Meanwhile, as the outer barrel is a water containing barrel, dirt in the washing process can be accumulated between the inner barrel and the outer barrel to cause secondary pollution to the washing of clothes, and therefore, technical personnel invent the washing machine with the non-porous barrel. The non-porous bucket is the water holding bucket, does not have the hole of permeating water with outer bucket intercommunication, only is equipped with the dehydration hole at the top of non-porous bucket, and the washing water is only discharged external environment between bucket and the outer bucket in dehydration in-process via the dehydration hole entering, greatly reduced the persistence time of washing water between bucket and outer bucket, reduced piling up of dirt, effectively prevent breeding of bacterium.

However, due to the limitation of the assembly structure between the pulsator and the inner tub of the non-porous tub, there is usually a gap, and in the washing process, the clothes cannot contact with the space between the inner tub and the pulsator, and the space between the inner tub and the pulsator cannot be effectively cleaned, so that dirt can be accumulated in the washing process after long-term use, and secondary pollution is caused to the washing of the clothes. Therefore, research on the sealing between the pulsator and the inner tub has been directed to improving the cleaning level of the washing machine.

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 comprises a wave wheel and an inner barrel, wherein a sealing structure is arranged between the wave wheel and the inner barrel and used for sealing the area between the wave wheel and the inner barrel.

Further, the washing machine comprises a speed reduction clutch device, and the inner barrel and the impeller are respectively connected with the speed reduction clutch device;

in the washing process, the speed reduction clutch device drives the inner barrel and the impeller to move relatively, and the sealing structure is a dynamic sealing structure.

Further, the washing machine comprises a speed reduction clutch device, the inner barrel is connected with the speed reduction clutch device, and the impeller is fixedly connected with the inner barrel;

in the washing process, the speed reduction clutch device drives the inner barrel to drive the impeller to rotate, and the sealing structure is a static sealing structure.

Furthermore, the inner barrel comprises an inner barrel bottom, and the impeller is arranged inside the inner barrel bottom;

a sealing structure is arranged between the outline periphery of the impeller and the bottom of the inner barrel.

Further, the bottom of the inner barrel comprises a bottom wall and a peripheral wall, and the peripheral wall is provided with a step part matched with the outline peripheral structure of the impeller;

the impeller comprises an impeller body and an annular rib, and the annular rib is arranged at the bottom of the impeller body;

the sealing structure is arranged between the step part and the annular rib.

Further, the periphery wall of annular muscle on be equipped with the recess, the stair portion vertical plane has, seal structure set up the recess with vertical plane between.

Furthermore, the step part is provided with a vertical part, a groove is formed in the vertical part, the peripheral wall of the annular rib is a plane, and the sealing structure is arranged between the groove and the peripheral wall of the annular rib.

Further, the step part is provided with a vertical part, and a first groove is formed in the vertical part;

the outer peripheral wall of the annular rib is provided with a second groove;

the first groove and the second groove are opposite in position, and the sealing structure is arranged in the first groove and the second groove.

Furthermore, the outer surface of the wave wheel is arranged in a closed manner, the bottom of the inner barrel is arranged in a closed manner, and the sealing structure is matched with the wave wheel and the bottom of the inner barrel to form a closed area.

Furthermore, the inner barrel is provided with an inner barrel bottom and an inner barrel body, a drain hole is arranged on the peripheral wall of the inner barrel body at a position higher than the highest water level of the washing machine, the peripheral wall between the drain hole and the inner barrel bottom is of a closed structure, the peripheral wall of the inner barrel bottom is of a closed structure, and washing water can be independently contained in the inner barrel during washing;

or, the inner barrel body and the inner barrel bottom are both provided with drain holes.

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

1) According to the invention, the sealing structure is arranged between the inner barrel and the impeller, so that dirt in washing water is prevented from entering a gap area between the inner barrel and the impeller, dirt which is difficult to clean is formed, bacteria are bred, and secondary pollution is caused to washing clothes;

2) the sealing structure can be a dynamic sealing structure or a static sealing structure, has wide applicability, and is beneficial to improving the clean and sanitary level of the washing machine on the premise of ensuring the normal operation of the washing machine.

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 illustrating a washing state of a washing machine according to the present invention;

FIG. 2 is a schematic view illustrating a dehydrating state of the washing machine according to the present invention;

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

fig. 4 is another schematic view of the sealing structure of the present invention.

In the figure: 1. an impeller; 10. a wave wheel body; 11. an annular rib; 110. a groove; 2. an inner barrel; 20. an inner barrel body; 21. an inner barrel bottom; 210. a peripheral wall; 211. a bottom wall; 212. a step portion; 22. a drain hole; 3. a sealing structure; 4. a flange plate; 5. a drainage structure; 6. a deceleration clutch device; 60. an output end; 7. a drive motor; 8. a balance ring; 9. and (4) a box body.

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.

As shown in fig. 1, the washing machine according to the present invention includes a pulsator 1 and an inner tub 2, and a sealing structure 3 is disposed between the pulsator 3 and the inner tub 2 to seal a region between the pulsator 1 and the inner tub 2. Because there is the clearance because assembly structure's restriction between impeller 1 and the interior bucket 2, the washing water can get into in the space between impeller 1 and the interior bucket 2 through the clearance among the laundry process, because the space between impeller 1 and the interior bucket 2 is contactless with the clothing, and it is big to wash the degree of difficulty, set up seal structure 3 back between impeller 1 and interior bucket 2, can effectually avoid the dirt among the laundry process, get into the space between the two from the clearance between impeller 1 and the interior bucket 2, cause piling up of dirt, breed the bacterium, cause secondary pollution to the clothing.

As shown in fig. 1, the washing machine comprises a speed reduction clutch device 6, wherein the inner barrel 2 and the impeller 1 are respectively connected with the speed reduction clutch device 6; in the washing process, the speed reduction clutch device 6 drives the inner barrel 2 and the impeller 1 to move relatively, and the sealing structure 3 is a dynamic sealing structure. The washing machine in this scheme can be a dual-power washing machine, the speed reduction clutch device 6 has an input end and two output ends (not shown in the figure), the motor 7 is connected with the input end, one of the output ends 60 is connected with the inner barrel 2, and the other output end is connected with the impeller 1. In the washing process, the inner barrel 2 and the wave wheel 1 rotate reversely, or the wave wheel 1 rotates, the inner barrel 1 is in a free state, and the inner barrel 1 moves freely under the action of water flow. The double power output can increase the diversity of water flow, so that the clothes are more fully stirred in the inner barrel 2, and the washing effect is improved.

Or, the inner barrel 1 is fixedly arranged, the speed reduction clutch device 6 is provided with an output end connected with the impeller 1, the inner barrel 1 does not rotate in the washing process, the speed reduction clutch device 6 drives the impeller 1 to rotate, and the impeller stirs the washing water to wash/rinse the clothes in the inner barrel 2. The dynamic sealing structure 3 is preferably made of soft and wear-resistant materials, and the sealing structure 3 is always in a compression state when the impeller 1 and the inner barrel 2 move, so that the sealing effect is always achieved. The arrangement of the sealing structure 3 can effectively avoid dirt in the water for washing, and the dirt enters the gap between the inner barrel 2 and the impeller 1 to breed bacteria.

In another scheme, the inner barrel 2 is connected with the speed reduction clutch device 6, and the impeller 1 is fixedly connected with the inner barrel 2; in the washing process, the speed reduction clutch device 6 drives the inner barrel 2 to drive the impeller 1 to rotate, and the sealing structure 3 is a static sealing structure. In the scheme, the speed reduction clutch device 6 drives the inner barrel 2 to rotate, the inner barrel 2 drives the impeller 1 to rotate, no relative motion exists between the inner barrel 2 and the impeller 1 in the rotating process, the sealing structure 3 is preferably made of soft and wear-resistant materials, and the inner barrel 2 and the impeller 1 are static in the rotating process and are static sealing structures. The arrangement of the static sealing structure of the sealing structure 3 is beneficial to reducing the abrasion of the sealing structure 3 and prolonging the service life of the sealing structure 3.

As shown in fig. 1, the inner tub 2 includes an inner tub bottom 21, and the pulsator 1 is disposed inside the inner tub bottom 21; and a sealing structure 3 is arranged between the outline periphery of the impeller 1 and the inner barrel bottom 21. Usually, a gap exists between the outer contour of the impeller 1 and the inner barrel 2, and the sealing structure 3 is arranged between the outer contour of the impeller 1 and the inner barrel 2, so that dirt in the washing water can be effectively prevented from flowing into the gap to cause dirt accumulation and bacterial breeding.

As shown in fig. 3, the inner tub bottom 21 includes a bottom wall 211 and a peripheral wall 210, and the peripheral wall 210 has a step 212 matching with the contour of the pulsator 1. The impeller 1 comprises an impeller body 10 and an annular rib 11, wherein the annular rib 11 is arranged at the bottom of the impeller body 10. The seal structure 3 is disposed between the step portion 212 and the annular rib 11. The annular rib 11 is arranged at the bottom of the impeller body 10, and can effectively strengthen the structural strength of the impeller body 10. Meanwhile, since the annular rib 11 is simple in structure and hidden in position, the sealing structure 3 is arranged between the annular rib 11 and the stepped portion 212, so that the sealing structure 3 can be prevented from being exposed in the sight of a user, and the contact between the pulsator body 10 and clothes is not affected.

In one aspect, as shown in fig. 3, the outer circumferential wall of the annular rib 11 is provided with a groove 110, the step portion 212 has a vertical plane, and the sealing structure 3 is disposed between the groove 110 and the vertical plane. Sealing structure 3 adopts soft, wear-resisting material, and after the assembly was accomplished, sealing structure 3's compression carried out the shutoff to the clearance between impeller 1 and the interior barrel head 21 between the vertical plane of recess 110 and step 212, and the dirt of having avoided the laundry in-process got into clearance depths, caused the dirt to pile up, bred the bacterium. When the groove 110 is arranged on the annular rib 11, the wall thickness of the annular rib 11 is thick, the groove 110 is a U-shaped groove formed in the outer peripheral wall of the annular rib 11, the processing is simple, and the structural strength of the annular rib 11 to the impeller body 10 is enhanced.

In another alternative, as shown in fig. 4, the stepped portion 212 has a vertical portion provided with a groove, the outer circumferential wall of the annular rib 11 is a flat surface, and the seal structure 3 is provided between the groove at the vertical portion of the stepped portion 212 and the outer circumferential wall of the annular rib 11. The groove in this scheme is formed by bending the wall surface of the vertical part of the stepped part 212, and the structural strength of the inner barrel bottom 21 is enhanced. The groove is bent, so that the influence of the wall thickness of the thickened inner barrel bottom on the integral processing and assembly of the washing machine is avoided.

In another alternative, the step 212 has a vertical portion provided with a first groove (not shown); a second groove (not shown in the figure) is arranged on the outer peripheral wall of the annular rib 11; the first groove and the second groove are opposite in position, and the sealing structure 3 is arranged in the first groove and the second groove. The arrangement of the first and second grooves may take the form of fig. 3 or fig. 4. The sealing structure 3 is clamped in the first groove and the second groove, and is always in a compressed state in the motion process of the impeller 1 and the inner barrel 2, thereby sealing the gap between the impeller 1 and the inner barrel 2.

The sealing structure 3 is a sealing ring, and the thickness and the strength of the sealing ring are determined according to the size of a gap between the impeller 1 and the inner barrel 2 and the sealing requirement. The grooves in the above solution are all arranged circumferentially around the annular bead 11 to form a perfect sealing action in the whole circumferential direction.

In order to ensure that no dirt is accumulated in a gap between the impeller 1 and the inner barrel 2, the outer surface of the impeller 1 is arranged in a closed manner, the bottom 21 of the inner barrel is arranged in a closed manner, and the sealing structure 3 is matched with the impeller 1 and the bottom 21 of the inner barrel to form a closed area. Prevent dirt in the washing process from entering a gap area between the impeller 1 and the inner barrel 2, and avoid accumulation of the dirt, bacterial breeding and secondary pollution to clothes.

As shown in fig. 2, the inner tub 2 has an inner tub bottom 21 and an inner tub 20, a drain hole 22 is formed on a peripheral wall of the inner tub 20 at a position higher than a highest water level of the washing machine, a peripheral wall between the drain hole 22 and the inner tub bottom 21 is a closed structure, and a peripheral wall of the inner tub bottom 21 is a closed structure, so that washing water can be independently contained in the inner tub 2 during washing as shown in fig. 1. The inner barrel independently contains washing water, all the washing water participates in the washing process, water resources are effectively utilized, and meanwhile, when the outer barrel 4 contains the washing water, dirt accumulation is formed between the inner barrel and the outer barrel. When water is drained, as shown in fig. 2, water in the inner barrel 2 enters the area between the outer barrel 4 and the inner barrel 2 through the drain hole 22 under the action of centrifugal force generated by high-speed rotation of the inner barrel, and then is drained into the external environment from the drainage structure 5 of the washing machine, the retention time of the water in the inner barrel 2 between the inner barrel and the outer barrel is short, and the dirt retention rate is greatly reduced after washing of multiple times of rinsing water, so that the washing cleanness and sanitation of the washing machine are improved.

Alternatively, the inner tub 20 and the inner tub bottom 21 of the washing machine of the present invention are provided with drain holes, the drain holes (not shown) on the inner tub bottom 21 are located at the impeller, the drain holes on the inner tub bottom 21 are in a closed state during washing, and the drain holes on the inner tub bottom 21 are opened first during draining, which is beneficial to draining large-particle dirt deposited on the inner tub bottom from the drain holes, and then the inner tub and the impeller rotate at high speed under the driving of the speed reduction clutch device 6 to drain the remaining water from the drain holes 22 on the upper portion of the inner tub.

As shown in fig. 1 and 2, the washing machine of the present invention further includes a cabinet 9, and the outer tub 4 and the inner tub 2 are disposed in the cabinet 9. The washing machine also comprises a flange 4, and the inner barrel 2 is arranged on the flange 4, so that the reliability of the inner barrel 2 is enhanced. The top of the inner barrel 2 is provided with a balance ring 8 for balancing the eccentric force in the rotating process of the inner barrel 2, and simultaneously, the water can be blocked when dewatering, so that the water in the inner barrel 2 can be smoothly discharged from the water discharge hole 22.

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 comprises a wave wheel and an inner barrel, and is characterized in that: and a sealing structure is arranged between the impeller and the inner barrel and used for sealing the area between the impeller and the inner barrel.

2. A washing machine as claimed in claim 1, characterized in that:

the inner barrel and the impeller are respectively connected with the speed reduction clutch device;

3. A washing machine as claimed in claim 1, characterized in that:

the inner barrel is connected with the speed reduction clutch device, and the impeller is fixedly connected with the inner barrel;

4. A washing machine as claimed in claim 2 or 3, characterized in that:

the inner barrel comprises an inner barrel bottom, and the impeller is arranged inside the inner barrel bottom;

5. A washing machine as claimed in claim 4, characterized in that:

the bottom of the inner barrel comprises a bottom wall and a peripheral wall, and the peripheral wall is provided with a step part matched with the outline peripheral structure of the impeller;

the sealing structure is arranged between the step part and the annular rib.

6. A washing machine as claimed in claim 5, characterized in that:

the periphery wall of annular muscle on be equipped with the recess, the stair portion vertical plane has, seal structure set up the recess with vertical plane between.

7. A washing machine as claimed in claim 5, characterized in that:

the step part is provided with a vertical part, a groove is formed in the vertical part, the peripheral wall of the annular rib is a plane, and the sealing structure is arranged between the groove and the peripheral wall of the annular rib.

8. A washing machine as claimed in claim 5, characterized in that:

the step part is provided with a vertical part, and a first groove is formed in the vertical part;

the outer peripheral wall of the annular rib is provided with a second groove;

9. A washing machine as claimed in claim 4, characterized in that:

the outer surface of the wave wheel is sealed, the bottom of the inner barrel is sealed, and the sealing structure is matched with the wave wheel and the bottom of the inner barrel to form a sealed area.

10. A washing machine as claimed in claim 1, characterized in that:

the inner barrel is provided with an inner barrel bottom and an inner barrel body, a drain hole is arranged on the peripheral wall of the inner barrel body at a position higher than the highest water level of the washing machine, the peripheral wall between the drain hole and the inner barrel bottom is of a closed structure, the peripheral wall of the inner barrel bottom is of a closed structure, and washing water can be independently contained in the inner barrel during washing;