CN107190456B

CN107190456B - Washing machine

Info

Publication number: CN107190456B
Application number: CN201710262031.8A
Authority: CN
Inventors: 吕佩师; 张刚金; 田云; 杨旭光; 吕艳芬; 田云龙
Original assignee: Chongqing Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Chongqing Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2017-04-20
Filing date: 2017-04-20
Publication date: 2021-07-06
Anticipated expiration: 2037-04-20
Also published as: CN107190456A

Abstract

The invention relates to the technical field of washing devices, in particular to a washing machine, which comprises: the device comprises a box body, an inner barrel and a driving device, wherein the inner barrel and the driving device are arranged in the box body; the washing machine further comprises a fixed chassis and a deformation structure, the fixed chassis is arranged at the lower portion of the bottom of the inner barrel, the driving device is installed on the fixed chassis, the deformation structure is sleeved on the fixed chassis and connected with the box body and used for reducing vibration of the washing machine, the water retaining device is arranged on the outer side of the bottom of the inner barrel, and a drainage cavity is formed between the water sealing device and the water retaining device. The invention has the beneficial effects that: do not set up outer bucket between washing machine's the interior bucket and the box, through setting up fixed chassis, can collect or block from interior bucket exhaust water on the one hand, can reduce again and occupy inside space, for the dilatation of interior bucket provides more abundant space, also can reduce the cost, and on the other hand, deformation structure cover establishes on fixed chassis, can slow down washing machine in the vibrations of all directions, and the shock attenuation effect is good.

Description

Washing machine

Technical Field

The invention relates to the technical field of washing devices, in particular to a washing machine.

Background

The washing machine is designed as a device for washing laundry by using electricity, and generally, the washing machine includes: a tub for holding washing water; a rotating tub rotatably installed inside the tub; a pulsator rotatably installed at the bottom of the rotary tub; a motor and a clutch configured to rotate the rotary tub and the pulsator. When the rotary tub and the pulsator are rotated in a state in which laundry and detergent are introduced into the rotary tub, the pulsator stirs wash water together with the laundry introduced into the rotary tub, thereby removing dirt from the laundry.

In order to increase the washing capacity of the washing machine, a larger rotary tub is required, i.e., the height or diameter of the rotary tub needs to be increased. If the rotary tub has a larger size, the tub accommodating the rotary tub and the cabinet accommodating the tub also need to be increased as the rotary tub is increased.

The increase of the cabinet corresponding to the appearance of the washing machine is limited by the space of the area for installing the washing machine, the position for installing the washing machine in a general user home is limited, and the purpose of increasing the capacity of the washing tub by increasing the cabinet of the washing machine is unrealistic, for example, how to increase the capacity of the rotary tub becomes a big problem which is troubled designers on the premise of not increasing the cabinet of the washing machine.

In view of the above, the present invention is particularly proposed.

Disclosure of Invention

In order to solve the above problems, the present invention provides a washing machine, specifically, the following technical solutions are adopted:

a washing machine comprising: the device comprises a box body, an inner barrel and a driving device, wherein the inner barrel and the driving device are arranged in the box body; the washing machine also comprises a fixed chassis and a deformation structure, wherein the fixed chassis is arranged at the lower part of the bottom of the inner barrel, the driving device is arranged on the fixed chassis, the deformation structure is sleeved on the fixed chassis and connected with the box body and used for reducing the vibration of the washing machine,

the inner barrel shaft is sleeved with a water sealing device which is arranged at the outer side of the bottom of the fixed chassis and connected with the fixed chassis; the bottom outside of interior bucket sets up water retaining device, seal the water installation including passing the bottom on fixed chassis and the water retaining device movive seal contact seal portion that seals, form the drainage cavity between water installation and the water retaining device, the bottom of interior bucket is seted up the wash port of intercommunication drainage cavity, seals and sets up the delivery port of intercommunication drainage cavity on the water installation.

The deformation structure is established through the cover on fixed chassis, and the clothing maldistribution in the interior bucket causes rocking of bucket to produce vibrations easily, and drive arrangement makes interior bucket and drive arrangement shake jointly through interior barrel hub connection with interior bucket, because fixed chassis is connected with drive arrangement, makes vibrations transmit for fixed chassis, and the cover is equipped with the deformation structure on the fixed chassis, and elastic deformation through the deformation structure will shake the absorption, and then realizes reducing the purpose that washing machine shakes. The deformation structure is sleeved on the fixed chassis, so that the vibration is absorbed through the deformation structure, the use of a damping part is reduced, the use of a suspension type damping part in the washing machine can be particularly omitted, the space between the inner barrel and the box body is saved, the diameter of the inner barrel can be increased as required, and the expansion of the washing machine is facilitated.

The deformation structure is the telescopic structure of scalable deformation under the exogenic action, and telescopic structure and fixed chassis coaxial line set up, and telescopic structure's one end and fixed chassis fixed connection or integration set up, and the other end is connected with the box.

The telescopic structure is a telescopic sleeve which is arranged above the fixed chassis and is connected with the fixed chassis in a sealing way;

preferably, the joint of the telescopic sleeve and the box body is not lower than the fixed chassis.

The fixed chassis is provided with a water collecting cavity, the opening of the water collecting cavity faces upwards, the inner barrel is communicated with the opening of the water collecting cavity, and the telescopic sleeve surrounds the periphery of the opening.

The upper part of the telescopic sleeve is hermetically connected with the inner wall of the box body, the lower part of the telescopic sleeve is hermetically connected with the opening of the water collecting cavity, the upper part of the barrel wall of the inner barrel is provided with dewatering holes, and part of water is thrown out through the dewatering holes during spin-drying and flows into the water collecting cavity from the wall of the box body;

preferably, a sealing gasket is arranged between the telescopic sleeve and the box body.

The fixed chassis comprises a bottom plate and an annular side plate arranged on the bottom plate, the bottom plate and the annular side plate enclose the water collecting cavity, and the telescopic sleeve is sleeved on the upper part of the annular side plate and is connected with the side plate in a sealing manner;

preferably, the annular side plate is obliquely arranged and gradually shrinks towards the central axis direction of the water collecting cavity from top to bottom.

The driving device is arranged at the lower part of the bottom plate, and an inner barrel shaft of the driving device penetrates through the bottom plate to be connected with the inner barrel so as to drive the inner barrel to rotate.

The damping device is connected with the fixed chassis at one end and connected with the box body at the other end;

preferably, the damping device is a damping damper and is arranged at the lower part of the fixed chassis, the bottom of the box body is provided with a base, one end of the damping damper is connected with the outer side wall of the fixed chassis, and the other end of the damping damper is connected with the base.

The damping device and the deformation structure act together to realize better damping effect.

The water blocking device is a circle of water blocking ribs which are arranged on the outer side of the bottom of the inner barrel and are positioned on the periphery of the water discharging hole, a fixed chassis mounting opening is formed in the bottom of the fixed chassis, an inner barrel shaft of the driving device penetrates through the fixed chassis mounting opening to be connected with the inner barrel, the water sealing device further comprises a mounting sealing part and a contact sealing part, the mounting sealing part is used for being mounted on the fixed chassis mounting opening in a sealing mode, the contact sealing part is used for being in dynamic sealing contact with the inner barrel shaft, and the water sealing part of the water sealing device is in dynamic sealing contact with the outer;

preferably, the annular bulge is arranged along the circumferential direction of the mounting hole of the fixed chassis, an annular groove is formed between the mounting sealing part and the water sealing part, and the annular bulge and the annular groove are in interference fit for sealing mounting.

The water sealing device is a water sealing piece which is sleeved on the inner barrel shaft and used for sealing between the inner barrel shaft and the fixed chassis, the water sealing piece is hermetically arranged at the bottom of the fixed chassis, and the water sealing piece is provided with a first water sealing lip which is in dynamic sealing contact with the inner barrel shaft; the water sealing part is a second water sealing lip concentrically arranged outside the first water sealing lip, and the second water sealing lip is in dynamic sealing contact with the water retaining device; the water outlet is arranged on the water seal sealing piece and is positioned between the first water sealing lip and the second water sealing lip.

Furthermore, the water sealing device is a water sealing element which is sleeved on the inner barrel shaft and used for sealing between the inner barrel shaft and the fixed chassis, the water sealing element is hermetically arranged at the bottom of the fixed chassis, and the water sealing element is provided with a first water sealing lip which is in dynamic sealing contact with the inner barrel shaft; the water sealing part is a second water sealing lip concentrically arranged outside the first water sealing lip, and the second water sealing lip is in dynamic sealing contact with the water retaining device; the water outlet is arranged on the water sealing device and is positioned between the first water sealing lip and the second water sealing lip.

The invention has the beneficial effects that: through establishing deformation structure at the cover on fixed chassis, the clothing maldistribution in the interior bucket causes rocking of bucket to produce vibrations easily, drive arrangement makes interior bucket and the common vibrations of drive arrangement through interior barrel hub connection with interior bucket, because fixed chassis is connected with drive arrangement, make vibrations transmit for fixed chassis, the cover is equipped with deformation structure on the fixed chassis, elastic deformation through deformation structure will shake the absorption, and then realize reducing the purpose of washing machine vibrations, reduce the use of shock attenuation part, especially can save the use of suspension type shock attenuation part in washing machine, save the space between interior bucket and the box, can increase the diameter of interior bucket as required, be convenient for carry out washing machine's dilatation.

Drawings

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

FIG. 2 is an exploded view of the washing machine of the present invention;

FIG. 3 is a sectional view of the washing machine of the present invention;

FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;

FIG. 5 is a perspective view of a deceleration clutch apparatus of the washing machine according to the present invention;

FIG. 6 is a schematic top perspective view of a water seal of the washing machine of the present invention;

FIG. 7 is a perspective view of the lower portion of the water seal of the washing machine of the present invention;

fig. 8 is a sectional view of a water seal packing of the washing machine according to the present invention;

FIG. 9 is a perspective view of the outlet pipe of the washing machine of the present invention.

Reference numbers in the drawings illustrate: 1. a box body 2, a driving device 3 and a telescopic sleeve 4, the water collecting cavity 5, the bottom plate 6, the side plate 7, the shock absorption device 100, the impeller 200, the fixing nut 300, the inner barrel 310, the dehydration hole 320, the water discharging hole 330, the water retaining device 400, the fixing chassis 410, the water discharging hole 420, the fixing chassis mounting part 430, the annular bulge 500, the speed reduction clutch device 510, the impeller shaft 520, the inner barrel shaft 521, the inner barrel shaft disk 530, the water sealing device 531, the water sealing part 532, the mounting sealing part 533, the water outlet 534, the contact sealing part 535, the lower bulge ring 536, the lower annular groove 540, the water outlet pipe 550, the upper end shell 560, the lower end shell 600 and the water discharging cavity are sequentially arranged.

Detailed Description

A washing machine of the present invention will be described in detail with reference to the accompanying drawings:

example one

As shown in fig. 1 to 9, a washing machine includes: the inner tub comprises a case 1, an inner tub 300 disposed in the case 1, and a driving device 2, wherein the driving device 2 includes an inner tub shaft 520, and the inner tub shaft 520 is connected with the inner tub 300 to drive the inner tub 300 to rotate.

The washing machine further comprises a fixed chassis 400 and a deformation structure, wherein the fixed chassis 400 is arranged at the lower part of the bottom of the inner barrel 300, the driving device 2 is arranged on the fixed chassis 400, and the deformation structure is sleeved on the fixed chassis 400 and connected with the box body 1 and used for reducing the vibration of the washing machine.

In the washing/rinsing process, the inner tub 300 is a water tub, and no water exists between the inner tub 300 and the fixed chassis 400.

Not set up outer bucket between interior bucket 300 and the box 1, but set up fixed chassis 400 in the lower part of interior bucket 300 barrel head, fixed chassis 400 is short than outer bucket, can collect or block the water of following interior bucket exhaust on the one hand, can reduce outer bucket occupation space, for the dilatation of interior bucket 300 provides more abundant space, also can reduce the cost, and on the other hand, deformation structure cover establishes on fixed chassis, can slow down washing machine in the vibrations of all directions, and the shock attenuation effect is good.

Through establishing deformation structure at the cover on fixed chassis 400, the clothing maldistribution in interior bucket 300 causes rocking of interior bucket 300 easily to produce vibrations, drive arrangement 2 and interior bucket 300 are connected through interior bucket axle 520 and are made interior bucket 300 and drive arrangement 2 shake jointly, because fixed chassis 400 is connected with drive arrangement 2, make vibrations transmit for fixed chassis 400, the cover is equipped with deformation structure on the fixed chassis 400, elastic deformation through deformation structure will shake and reduce, and then realize reducing the purpose that washing machine shakes. The cover is equipped with deformation structure on fixed chassis 400, makes through deformation structure absorbing shock, reduces the use of other shock-absorbing component, and the wholeness of this application is better, and the installation of being more convenient for especially can save the use of suspension type shock-absorbing component in washing machine, saves the space between interior bucket 300 and the box 1, can increase the diameter of interior bucket 300 as required, is convenient for carry out washing machine's dilatation.

The inner barrel shaft 520 is sleeved with a water sealing device 530, and the water sealing device 530 is arranged at the outer side of the bottom of the fixed chassis 400 and connected with the fixed chassis 400; the bottom outer side of the inner barrel 300 is provided with a water retaining device 330, the water sealing device 530 comprises a water sealing part 531 which penetrates through the bottom of the fixed chassis 400 and is in dynamic sealing contact with the water retaining device, a drainage cavity is formed between the water sealing device 530 and the water retaining device, the bottom of the inner barrel 300 is provided with a drainage hole 320 communicated with the drainage cavity, and the water sealing device 530 is provided with a water outlet 533 communicated with the drainage cavity.

Further, the deformation structure is a telescopic structure which can be telescopically deformed under the action of external force, the telescopic structure and the fixed chassis 400 are coaxially arranged, one end of the telescopic structure is fixedly connected or integrally arranged with the fixed chassis 400, and the other end of the telescopic structure is connected with the box body 1.

The telescopic structure can be made of elastic materials and can elastically deform under the action of external force so as to reduce vibration, and if the deformation structure is a telescopic rubber belt, a telescopic rubber ring and a telescopic rubber pipe; alternatively, the elastic deformation may be generated by a folding telescopic structure, for example, the deformation structure is a folding telescopic belt/ring, such as a bellows. No matter which mode, the extending structure can reach the purpose that reduces vibrations through deformation.

The coaxial line setting of extending structure and fixed chassis 400, extending structure encircle fixed chassis 400 round, makes fixed chassis 400's atress more even, can not take place the skew, extra increase vibrations, extending structure's one end and fixed chassis 400 fixed connection, the other end is connected with box 1, prevents that extending structure from droing from fixed chassis 400, and is more stable safety.

Wherein, the extending structure and the fixed chassis 400 can also be integrated, the integrity is good, and the structure is more stable.

Further, the telescopic structure is a telescopic sleeve 3, and the telescopic sleeve 3 is arranged above the fixed chassis 400 and is connected with the fixed chassis 400 in a sealing manner.

The telescopic structure is the great telescopic sleeve 3 of diameter, and the cover is established and is formed the basin column structure in the periphery of whole fixed chassis 400, and telescopic sleeve 3 takes place deformation, makes telescopic sleeve 3 have the deformation volume in the footpath of basin column structure, produces the deformation volume even in a plurality of directions for reduce vibrations.

The telescopic sleeve 3 can be a telescopic rubber tube or a corrugated tube, and the telescopic sleeve 3 is arranged above and below the fixed chassis 400 and can slow down the vibration of the inner barrel 300 of the washing machine.

Further, the telescopic sleeve 3 is disposed above the fixed base plate 400 and is hermetically connected with the fixed base plate 400.

Furthermore, the joint of the telescopic sleeve 3 and the box body 1 is not lower than the fixed chassis 400, so that a basin-shaped structure is formed.

On one hand, the vibration of the washing machine can be reduced, and on the other hand, the telescopic sleeve 3 and the fixed chassis 400 can also be used for collecting/blocking water discharged from the inner tub 300.

Further, the fixing base plate 400 has a water collecting cavity 4, the opening of the water collecting cavity 4 faces upward, the inner barrel 300 is communicated with the opening of the water collecting cavity 4 and can discharge water into the water collecting cavity 4, and the telescopic sleeve 3 is enclosed on the periphery of the opening.

The water collecting cavity 4 of the fixed chassis 400 can collect and/or block water discharged from the inner barrel 300, the upper end of the side wall of the water collecting cavity 4 can be lower than the bottom of the inner barrel 300, so that the water collecting cavity 4 is integrally positioned below the bottom of the washing barrel, the side wall of the water collecting cavity 4 does not have a rigid structure positioned between the inner barrel 300 and the box body 1, a certain safety distance is not required to be arranged between the inner barrel 300 and a water retaining structure, the inner barrel 300 can be prevented from colliding with the fixed chassis 400 to cause damage, and meanwhile, the safety distance is not required to be arranged between the fixed chassis 400 and the box body 1, so that only the safety distance between the inner barrel 300 and the box body 1 is designed, the barrel diameter of the inner barrel 300 can be greatly increased, and the capacity expansion.

The telescopic sleeve 3 is enclosed on the periphery of the opening, and the upper part of the telescopic sleeve 3 is connected with the box body 1. The telescopic sleeve 3 is made of an elastic material, and even if the telescopic sleeve 3 is inserted between the inner tub 300 and the case 1 and is connected with the case 1, there is no fear of collision. When the telescopic sleeve 3 is connected with the periphery of the opening in a sealing way or is integrally formed, the telescopic sleeve 3 can also be used as the side wall of the water collecting cavity 4, the volume of the water collecting cavity 4 is enlarged, the water retaining effect of the fixed chassis 400 is increased, and the damping effect is achieved.

Wherein, fixed chassis 400 also can be the slabby, and the extending structure is corrugated tubular structure, for example bellows, and bellows cover forms basin column structure on slabby fixed chassis 400, and the lateral wall of basin can be through flexible structure that produces deformation, through the deformation of flexible structure, absorbs interior bucket 300's vibrations.

Furthermore, the upper part of the telescopic sleeve 3 is hermetically connected with the inner wall of the box body 1, the lower part is hermetically connected with the opening of the water collecting cavity 4, the upper part of the barrel wall of the inner barrel 300 is provided with dewatering holes 310, part of water is thrown out through the dewatering holes during spin-drying and flows into the water collecting cavity 4 from the wall of the box body 1, and the other part of water is discharged from the bottom of the inner barrel.

The side wall of the inner tub 300 is provided with a non-porous tub wall in a region lower than the highest water level of the washing machine, and a plurality of dewatering holes 310 are provided in a region higher than the highest water level. The upper and lower parts of the telescopic sleeve 3 are respectively connected with the inner wall of the box body 1 and the opening of the water collecting cavity 4 in a sealing way, and a closed area is formed between the inner barrel 300 and the box body 1. When the washing machine is dehydrated, the water in the inner tub 300 is thrown out through the dehydration holes 310 into the closed area between the inner tub 300 and the cabinet 1, and most of the thrown water flows down along the inner wall of the cabinet 1 and enters the water collection chamber 4 to be discharged. A small amount of water, which is relatively clean water after washing the laundry, may be sprayed to the outer wall of the inner tub 300, and the amount is small, so that dirt is not substantially left on the outer wall of the inner tub 300.

The telescopic sleeve 3 and the side wall of the inner barrel 300 can be fixed by adopting a detachable connection mode in a sealing connection mode, and can also be bonded, such as gluing.

In a preferable scheme, a sealing gasket is arranged between the telescopic sleeve 3 and the box body 1, and the sealing gasket is annular.

When the connection modes of the telescopic sleeve 3, the inner barrel 300 and the inner wall of the box body 1 are detachable and sealed, sealing gaskets are arranged between the telescopic sleeve 3 and the box body 1 and between the telescopic sleeve 3 and the inner barrel 300. When the telescopic sleeve 3 is damaged, the telescopic sleeve can be conveniently replaced, and simultaneously, after the telescopic sleeve is used for a period of time, residual dirt can be conveniently cleaned.

Example two

As shown in fig. 1 to 9, in this embodiment, to further limit the first embodiment, the fixed chassis 400 of this embodiment includes a bottom plate 5 and an annular side plate 6 disposed on the bottom plate 5, the bottom plate 5 and the annular side plate 6 are fixedly connected to together enclose the water collecting cavity 4, and the telescopic sleeve 3 is sleeved on the upper portion of the annular side plate 6 and is hermetically connected with the side plate 6. The lower part of the telescopic sleeve 3 is hermetically connected with the annular side plate 6, and the upper part of the telescopic sleeve is hermetically connected with the side plate 6.

The fixing base plate 400 of the embodiment is basin-shaped, the inside of the fixing base plate is hollow, the opening of the fixing base plate is upward, and the bottom of the fixing base plate is a horizontal round bottom plate 5; the bottom plate 5 is provided with an annular side plate 6 for retaining water and collecting water. The bottom plate 5 and the annular side plate 6 are preferably integrally formed, and the integrally formed part is less prone to damage. The annular side plate 6 is provided along the outer peripheral edge of the bottom plate 5 and is integrally formed.

Wherein, the annular side plate 6 is arranged slightly close to the inner circumference of the bottom plate 5, and the diameter of the lower end of the annular side plate 6 is slightly smaller than that of the bottom plate 5.

The water collecting cavity 4 is positioned in the middle of the bottom plate 5, so that the center of gravity of the fixed chassis 400 is easier to coincide with the center, the offset is reduced, and the vibration is reduced.

The annular side plate 6 is obliquely arranged, and the annular side plate 6 is obliquely arranged, so that the water blocking amount can be increased to the maximum extent, and the use is more convenient.

Further, the annular side plate 6 is obliquely arranged and gradually shrinks towards the central axis direction of the water collecting cavity 4 from top to bottom, so that the diameter of the upward opening is larger, and the collection is more convenient.

The telescopic sleeve 3 is sleeved on the upper part of the annular side plate 6 and is in sealing connection with the side plate 6, the telescopic sleeve 3 also forms the side wall of the water collecting cavity 4, the volume of the water collecting cavity 4 can be enlarged, and the water retaining effect of the fixed chassis 400 is improved. Meanwhile, the other end of the telescopic sleeve 3 is connected with the inner wall of the box body 1 in a sealing mode, and the shock absorption effect is achieved.

EXAMPLE III

As shown in fig. 1 to 9, on the basis of the first and second embodiments, the washing machine of the present embodiment further includes a damper 7, one end of the damper 7 is connected to the fixed chassis 400, and the other end is connected to the cabinet 1.

Set up the deformation structure on fixed chassis 400 and provide an ascending pulling force and absorb the vibrations of interior bucket 300, for the vibrations that make fixed chassis 400 further reduce, this embodiment has set up another damping device 7, makes fixed chassis 400 change the balance under damping device 7 and the dual effort of deformation structure, reaches better shock attenuation effect.

The fixing chassis 400 of the washing machine of the present scheme includes a flat circular bottom plate 5, the diameter of the bottom plate 5 is larger than that of the inner tub 300 of the washing machine, the bottom plate 5 is disposed below the inner tub 300, and an annular side plate 6 is bent upward at the peripheral edge of the bottom plate 5. One end of the damping device 7 is assembled with the fixing base 400 and the other end is connected with the case 1.

The positions where the damping device 7 can be installed are also different for the case where the deformation structure is hermetically connected or not with the case 1. When the deformation structure is hermetically connected with both the box body 1 and the fixed chassis 400, the damping device 7 can be installed only at the lower part of the fixed chassis 400; when the deformation structure is not hermetically connected to the case 1 and the fixed base 400, the shock-absorbing device 7 may be installed at an upper portion and/or a lower portion of the fixed base 400.

As a preferred embodiment of this embodiment, the shock absorbing device 7 is a shock absorbing damper, and is disposed at the lower portion of the fixed chassis 400, the bottom of the box 1 is provided with a base, one end of the shock absorbing damper is connected to the outer side wall of the bottom plate 5 or the side plate 6, and the other end of the shock absorbing damper is connected to the base.

Box 1 and base fixed connection, the inside wall of base laminating box 1 because the base is generally heavier or the material is harder, and the damping damper installs more stably on the base. The shock-absorbing damper is arranged at the lower part of the fixed chassis 400, so that the space between the inner barrel 300 and the box body 1 can not be occupied, and more space can be reserved for the inner barrel 300 of the washing machine on the premise of not increasing the volume of the box body 1. Four shock absorption dampers are uniformly distributed around the circular bottom plate 5.

Example four

As shown in fig. 2 to 9, this embodiment is further limited to the first to third embodiments, during the washing/rinsing process of the washing machine, the inner tub 300 contains water, and no water is filled between the inner tub 300 and the fixed chassis 400, i.e. the inner tub of the washing machine of the present invention is a water-tight inner tub with no holes on the tub wall, and the inner tub contains water for washing the laundry. Like this, not only saved the water consumption of doing washing, stopped breeding the dirt moreover between interior bucket 300 and the fixed chassis 400, avoided the clothing to pollute, improved the washing effect, promoted user experience.

Further, in the washing machine of the present embodiment, in order to detect the water level and drain the water, the water discharge hole 320 is formed at the bottom of the inner tub 300, and the water is discharged from the water discharge chamber 600 without filling the space between the inner tub 300 and the fixed chassis 400 by the sealing engagement of the water blocking device 330 and the water sealing device 530. The drainage mode of the washing machine of the embodiment not only ensures that no water exists between the inner barrel 300 and the fixed chassis 400, but also is more convenient for the discharge of solid sundries such as silt and the like, and improves the cleanliness of clothes washing.

The water sealing device 530 of the embodiment is arranged outside the fixed chassis 400, the water drainage chamber 600 is formed by the dynamic sealing contact of the water sealing part 531 and the water blocking device 330, no complicated sealing structure is required to be designed on the fixed chassis 400, the installation of the water sealing device 530 is simple, and the structure of the fixed chassis 400 is not changed or the structure of the fixed chassis is slightly changed.

Further, the driving device 2 includes a deceleration clutch device 500, and since the washing machine generally controls the rotation of the inner tub and the pulsator of the washing machine through the deceleration clutch device 500 to switch the washing course. The speed reduction clutch device 500 includes an inner tub shaft 520 and a pulsator shaft 510, the inner tub shaft 520 is a hollow shaft, the pulsator shaft 510 is rotatably disposed in the inner tub shaft 520, the inner tub shaft 520 passes through the bottom of the fixed chassis 400 to be connected with the bottom of the inner tub 300 to drive the inner tub to rotate, and the pulsator shaft 510 passes through the bottom of the fixed chassis 400 and the bottom of the inner tub 300 to be connected with the pulsator 100. Therefore, in consideration of the installation manner of the conventional speed reduction clutch 500, a sealing device is generally required to be disposed between the inner tub shaft 520 and the bottom of the fixed base 400 for sealing. In consideration of the installation characteristic of the speed reduction clutch 500, as a preferred embodiment of the present embodiment, the bottom of the fixed chassis 400 is provided with a fixed chassis installation opening, and the inner tub shaft 520 passes through the fixed chassis installation opening to be connected with the inner tub 300; the water sealing device 530 is sleeved on the inner barrel shaft 520, the water sealing device 530 and the inner barrel shaft 520, and the water sealing device 530 and the fixed chassis mounting opening are respectively arranged in a sealing manner, and the water sealing part 531 of the water sealing device 530 penetrates through the fixed chassis mounting opening to be in dynamic sealing contact with the water retaining device 330.

The washing machine of the present embodiment simultaneously realizes the sealing between the fixed chassis 400 and the inner tub shaft 520 and the sealing between the water sealing device 530 and the water blocking device 330 through the water sealing device 530 according to the installation characteristics of the speed reduction clutch device 500, and has a high integration level, a miniaturized design, and a simple installation process.

Specifically, in order to achieve the sealing between the water sealing device 530 and the fixed chassis 400, the sealing between the water sealing device 530 and the inner tub shaft 520, and the sealing between the water blocking device 330, the water sealing device 530 according to the present embodiment further includes a mounting sealing portion 532 for sealing and mounting on the mounting opening of the fixed chassis, and a contact sealing portion 534 for making dynamic sealing contact with the inner tub shaft 520. The water outlet 533 in this embodiment is disposed on the water sealing device 530 and located between the contact sealing portion 534 and the water sealing portion 531, so as to communicate the water outlet 533 with the water drainage chamber 600.

Further, in this embodiment, the bottom of the fixed chassis 400 located around the fixed chassis mounting opening is partially recessed toward the inside of the fixed chassis to form a fixed chassis mounting portion 420 for mounting the water sealing device 530, which is more convenient for mounting the water sealing device 530.

In order to realize the sealing between the water sealing device 530 and the fixed chassis 400, the fixed chassis mounting part 420 of the present embodiment includes an annular protrusion 430 disposed along the circumference of the fixed chassis mounting opening, an annular groove is formed between the mounting sealing part 532 and the water sealing part 531, and the annular protrusion 430 and the annular groove are in interference fit for sealing installation. The installation mode between the water sealing device 530 and the fixed chassis 400 of the embodiment is simple and effective, and the sealing connection between the two is ensured.

As a preferred embodiment of this embodiment, the water blocking device 330 is a ring of water blocking ribs disposed at the outer side of the bottom of the inner tub 300 and at the periphery of the water discharge hole 320; the water sealing part 531 of the water sealing device 530 is in dynamic sealing contact with the outer wall of the water blocking rib. The water retaining device 330 is simple in structure, sealing is achieved through dynamic sealing contact between the water retaining device 330 and the water sealing portion 531 of the water sealing device 530, in addition, the inner diameter of the water retaining rib can be designed to be small, abrasion between the water retaining rib and the water sealing portion is reduced, reliability is high, and service life is prolonged.

Further, an inner barrel mounting opening for connecting an inner barrel shaft 520 is formed in the center of the bottom of the inner barrel 300; the plurality of the drain holes 320 are distributed on the outer ring of the mounting opening of the inner barrel; the water blocking device 330 is a ring-shaped water blocking rib disposed at the outer side of the bottom of the inner tub 300 and surrounding all the water discharge holes 320. The annular water blocking rib of the present embodiment is concentrically disposed with the bottom of the inner tub 300, so that the annular water blocking rib and the inner tub 300 can rotate synchronously, thereby avoiding eccentricity and ensuring dynamic sealing between the annular water blocking rib and the water sealing device 530.

In order to discharge water from the drainage chamber 600, the water outlet 533 is connected to a first pipeline, and the first pipeline is communicated to the drainage control device.

The drain control device of the present embodiment may be connected to a drain valve or a drain pump of the washing machine, which is connected to a drain hose, and performs the draining by controlling the drain device to be opened simultaneously with the drain valve or the drain pump of the washing machine.

In another drainage control manner of this embodiment, a circle of dewatering holes 310 is formed in the upper portion of the inner tub 300, a drainage port 410 is formed in the bottom of the fixed chassis 400, and both the drainage port 410 and the water outlet 533 are communicated to a drainage control device. The drainage control device of this embodiment has two water ends and a play water end, goes out the water end and connects the drainage hose, opens in order to realize the drainage through controlling corresponding water end of intaking like this.

In the washing machine of this embodiment, when dewatering, the washing water is drained from the dewatering holes 310 into the fixed base 400 and then drained from the drain port 410, and at this time, the water inlet end of the drainage device communicating with the drain port 410 is opened, or both water inlet ends are opened simultaneously to drain water.

In the washing machine of this embodiment, the water inlet end of the water discharging device communicated with the water outlet 533 is opened to discharge water during washing or rinsing.

The drainage control device adopted by the drainage mode can be a drainage valve or a drainage pump with two water inlet ends and one water outlet end.

In this embodiment, a circle of dewatering holes 310 is formed at an end of the inner tub 300 near the balancing ring, the inner portion of the balancing ring extends into the inner tub 300, and the dewatering holes 310 are formed to face the balancing ring, so that the balancing ring can block the circle of dewatering holes 310 and maintain the appearance of the inner tub 300 without holes.

The water outlet 533 described in this embodiment is connected to a second pipeline, and the second pipeline is communicated to a water level detection device, so that the water level detection of the non-porous washing machine is realized. In addition, the second pipeline and the water outlet 533 are normally opened to detect the water level, and simultaneously, the water entering the air chamber of the water level detection device can be discharged when the water is discharged.

The water outlet 533 of this embodiment is connected to a water outlet pipe 540, and the water outlet pipe 540 is connected to the first pipeline and the second pipeline respectively.

The reduction clutch device 500 of the present embodiment further includes an upper end cover 550 and a lower end cover 560, and an accommodation chamber for accommodating a reduction gear train is formed between the upper end cover 550 and the lower end cover 560. The inner tub shaft 520 and the pulsator shaft 510 of the present embodiment are extended into the receiving chamber through the upper end cap 550 to be connected to the reduction gear train, and the inner tub hub 521 is provided at the other end of the inner tub shaft 520 to be connected to the bottom of the inner tub 300.

EXAMPLE five

The present embodiment differs from the fourth embodiment only in that a specific water sealing device is provided, specifically:

the water sealing device of the embodiment is a water sealing element which is sleeved on the inner barrel shaft 520 and used for sealing between the inner barrel shaft 520 and the fixed chassis 400, the water sealing element is hermetically installed at the bottom of the fixed chassis 400, and the water sealing element is provided with a first water sealing lip which is in dynamic sealing contact with the inner barrel shaft 520; the water sealing part 531 is a second water sealing lip concentrically arranged outside the first water sealing lip, and the second water sealing lip is in dynamic sealing contact with the water retaining device 330; the water outlet 533 is arranged on the water seal sealing element and is located between the first water sealing lip and the second water sealing lip.

Since the existing speed-reducing clutch device 500 needs to be provided with a water seal for sealing the inner drum shaft 520 and the fixed chassis 400, the present embodiment is based on the water seal, and the water sealing portion 531 of the water sealing device is integrated on the water seal, so that the dynamic sealing contact between the water sealing portion 531 and the water blocking device 330 is realized while the fixed chassis is sealed. The structure and the installation characteristics of the speed reduction clutch device 500 are fully considered in the embodiment, the integration level is high, the design is miniaturized, and the installation process is simple.

In order to form the drainage chamber 600 by considering that the water seal sealing element is sealed with the water blocking device 330, the fixed chassis mounting opening is enlarged, and the water seal sealing element is enlarged, so that the sealing mounting mode is kept unchanged.

Further, in order to ensure the overall strength of the water seal sealing element of the embodiment after being enlarged, a metal framework is embedded in the water seal sealing element.

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 comprising: the device comprises a box body, an inner barrel and a driving device, wherein the inner barrel and the driving device are arranged in the box body; it is characterized by also comprising a fixed chassis and a deformation structure, wherein the fixed chassis is arranged at the lower part of the bottom of the inner barrel, the driving device is arranged on the fixed chassis, the deformation structure is sleeved on the fixed chassis and connected with the box body and used for reducing the vibration of the washing machine,

the inner barrel shaft is sleeved with a water sealing device which is arranged at the outer side of the bottom of the fixed chassis and connected with the fixed chassis; the outer side of the bottom of the inner barrel is provided with a water retaining device, the water sealing device comprises a water sealing part which penetrates through the bottom of the fixed chassis and is in dynamic sealing contact with the water retaining device, a drainage cavity is formed between the water sealing device and the water retaining device, the bottom of the inner barrel is provided with a drainage hole communicated with the drainage cavity, and the water sealing device is provided with a water outlet communicated with the drainage cavity;

the water blocking device is a circle of water blocking ribs which are arranged at the outer side of the bottom of the inner barrel and are positioned at the periphery of the water discharging hole, a fixed chassis mounting opening is formed in the bottom of the fixed chassis, an inner barrel shaft of the driving device penetrates through the fixed chassis mounting opening to be connected with the inner barrel, the water sealing device further comprises a mounting sealing part and a contact sealing part, the mounting sealing part is used for being mounted on the fixed chassis mounting opening in a sealing mode, the contact sealing part is used for being in dynamic sealing contact with the inner barrel shaft, and the water sealing part of the water sealing device is in dynamic sealing contact with the outer wall;

the fixed chassis installing port is formed by the inner concave part of the bottom of the fixed chassis around the fixed chassis installing port towards the inside of the fixed chassis to form a fixed chassis installing part for installing a water sealing device, the fixed chassis installing part comprises an annular bulge arranged along the circumferential direction of the fixed chassis installing port, an annular groove is formed between the installing sealing part and the water sealing part, and the annular bulge and the annular groove are in interference fit for sealing installation.

2. The washing machine as claimed in claim 1, wherein the deformation structure is a telescopic structure which can be telescopically deformed under the action of an external force, the telescopic structure is coaxially arranged with the fixed chassis, one end of the telescopic structure is fixedly connected or integrally arranged with the fixed chassis, and the other end of the telescopic structure is connected with the box body.

3. A washing machine as claimed in claim 2 wherein the telescopic structure is a telescopic sleeve disposed above the stationary chassis and in sealed connection therewith.

4. A washing machine as claimed in claim 3 wherein the connection between the telescopic sleeve and the cabinet is no lower than the fixed chassis.

5. A washing machine as claimed in claim 3 or 4 wherein the stationary chassis has a water collection chamber with an opening facing upwardly, the inner tub communicating with the opening of the water collection chamber, the sleeve surrounding the opening.

6. A washing machine as claimed in claim 5 wherein the upper part of the telescopic tube is sealingly connected to the inner wall of the cabinet and the lower part is sealingly connected to the opening of the water collecting chamber, and the upper part of the wall of the inner tub is provided with dewatering holes through which part of the water is spun off during spin-drying and flows from the wall of the cabinet into the water collecting chamber.

7. A washing machine as claimed in claim 6 wherein a gasket is provided between the sleeve and the cabinet.

8. The washing machine as claimed in claim 5, wherein the fixed chassis includes a bottom plate and a ring-shaped side plate disposed on the bottom plate, the bottom plate and the ring-shaped side plate define the water collecting chamber, and the telescopic sleeve is sleeved on the upper portion of the ring-shaped side plate and is connected with the side plate in a sealing manner.

9. The washing machine as claimed in claim 8, wherein the annular side plate is inclined and gradually contracted toward a central axis of the water collecting chamber from top to bottom.

10. The washing machine as claimed in claim 8, wherein the driving unit is installed at a lower portion of the bottom plate, and an inner tub shaft of the driving unit is connected to the inner tub through the bottom plate to drive the inner tub to rotate.

11. A washing machine as claimed in any one of claims 1 to 4 further comprising a damper means, one end of which is connected to the fixed chassis and the other end of which is connected to the cabinet.

12. The washing machine as claimed in claim 11, wherein the damper is a shock damper provided at a lower portion of the fixed base, and the bottom of the cabinet is provided with a base, one end of the shock damper being connected to an outer sidewall of the fixed base and the other end thereof being connected to the base.

13. The washing machine as claimed in claim 1, wherein the water sealing means is a water sealing member fitted around the inner tub shaft for sealing between the inner tub shaft and the fixed chassis, the water sealing member being sealingly mounted at the bottom of the fixed chassis, the water sealing member having a first water sealing lip in dynamic sealing contact with the inner tub shaft; the water sealing part is a second water sealing lip concentrically arranged outside the first water sealing lip, and the second water sealing lip is in dynamic sealing contact with the water retaining device; the water outlet is arranged on the water seal sealing piece and is positioned between the first water sealing lip and the second water sealing lip.