CN113529367A - Washing machine - Google Patents

Washing machine Download PDF

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Publication number
CN113529367A
CN113529367A CN202010313922.3A CN202010313922A CN113529367A CN 113529367 A CN113529367 A CN 113529367A CN 202010313922 A CN202010313922 A CN 202010313922A CN 113529367 A CN113529367 A CN 113529367A
Authority
CN
China
Prior art keywords
water
washing
washing machine
tub
connection chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010313922.3A
Other languages
Chinese (zh)
Inventor
郝兴慧
王晔
金学峰
郝世龙
吴迪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Smart Technology R&D Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Smart Technology R&D Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Smart Technology R&D Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Smart Technology R&D Co Ltd
Priority to CN202010313922.3A priority Critical patent/CN113529367A/en
Publication of CN113529367A publication Critical patent/CN113529367A/en
Pending legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/083Liquid discharge or recirculation arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30Driving arrangements 
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The invention discloses a washing machine, comprising: a box body; the washing barrel is rotatably arranged in the box body; a water passage provided on the washing tub for discharging the washing water in the washing tub; a drain pipe for draining the washing water out of the cabinet; and the rotary sealing structure is arranged between the water channel and the water drainage pipe and is provided with a connecting cavity which is hermetically connected with the water channel and the water drainage pipe. By arranging the rotary sealing structure and respectively connected with the water drainage pipe and the water channel in a sealing manner, the washing water is directly discharged after passing through the water channel, the rotary sealing structure and the water drainage pipe, and is always in a pipeline after being discharged out of the washing barrel until being discharged, so that the washing water is prevented from contacting with the outside in the discharging process, and dust, impurities and the like are prevented from entering the washing water; the washing machine without the outer barrel saves the structure of the water receiving tray, avoids the overflow and water splashing of the washing water and increases the safety; and is beneficial to the simplification of the structure and the reduction of the manufacturing cost.

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 is designed as a device for washing laundry by using electricity, and generally, the washing machine includes: an outer tub for holding washing water; an inner tub rotatably installed inside the outer tub; a pulsator rotatably installed at the bottom of the inner tub; a motor and a clutch configured to rotate the inner tub and the pulsator.
In order to increase the washing capacity of the washing machine, a larger inner tub is required, that is, the height or diameter of the inner tub needs to be increased, and the outer tub and the cabinet need to be increased along with the increase of the inner tub; the increase of the cabinet corresponding to the external appearance of the washing machine is limited by the space of the area where the washing machine is installed, the position for the washing machine in a general user home is limited, and the purpose of increasing the washing tub capacity by increasing the cabinet of the washing machine is not realistic.
There is a need to provide a small-sized and large-capacity washing machine; in addition, the water of the existing washing machine is distributed in the inner barrel and the outer barrel during washing, namely water is distributed between the inner barrel and the outer barrel, so that the water consumption is large, the waste of water resources is caused, and the consumption of a washing agent is large; and dirt is easily left between the inner barrel and the outer barrel, so that bacteria are bred.
The single-tub washing machine without the outer tub is provided at present, in order to realize the drainage of the washing machine, a water receiving disc is arranged below a washing tub, water is thrown out of a water channel by centrifugal force of a high-speed rotating tub in a dewatering process, and is discharged from a drainage pipe after being collected by the water receiving disc, the washing tub rotates and is in clearance with the water receiving disc fixed, dust and foreign matters fall off the water receiving disc due to the clearance, and meanwhile, the risk of water splashing and water overflowing of the water receiving disc exists.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
Disclosure of Invention
The invention provides a washing machine aiming at the problems in the prior art, wherein the communication between the water discharge pipe and the water channel is realized by arranging a rotary sealing structure, so that washing water is directly discharged after passing through the water channel, the rotary sealing structure and the water discharge pipe which are connected in a sealing way, the overflow and water splashing of the washing water are avoided, and the safety is improved.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
a washing machine comprising:
a box body;
the washing barrel is rotatably arranged in the box body;
a water passage provided on the washing tub for discharging the washing water in the washing tub;
a drain pipe for draining the washing water out of the cabinet;
and the rotary sealing structure is arranged between the water channel and the water drainage pipe and is provided with a connecting cavity which is hermetically connected with the water channel and the water drainage pipe.
Further, rotary seal structure have with drain pipe sealing connection's fixed part, with water course sealing connection's rotating part, sealed setting between fixed part and the rotating part.
Furthermore, connect the chamber to have and set up the first connection chamber of rotating part with set up the second of fixed part connects the chamber, first connection chamber and second are connected the chamber and are linked together.
Furthermore, the water channel is positioned at the outer side of the washing barrel, and a water outlet communicated with the water channel is formed in the side wall or the bottom wall of the washing barrel.
Furthermore, the water channel is provided with an inner water channel fixedly arranged on the inner side of the wall of the washing barrel and an outer water channel fixedly arranged on the outer side of the bottom wall of the washing barrel.
Further, still include the drive motor of drive the washing bucket is rotatory, the rotating part be with the rotation axis that the washing bucket is connected, drive motor drive the rotation axis is rotatory.
Furthermore, the connection chamber has an axial first connection chamber that runs through the rotating part, first connection chamber with the rotating part coaxial arrangement.
Further, the rotating shaft is coaxially disposed with the washing tub
Further, the fixed part has the cover to establish the upper end shell in the rotating part outside, rotary seal structure is still including establishing bearing and position sleeve between rotating part and the fixed part, the position sleeve is used for injecing the bearing.
Furthermore, the fixed part still have with the lower extreme shell that the upper end shell set firmly, the lower extreme of position sleeve is located on the lower extreme shell be equipped with annular sealing washer between rotating part, position sleeve and the lower extreme shell.
Furthermore, connect the chamber and have set up and establish second connection chamber on the lower extreme shell set up on the lower extreme shell and dodge the chamber of dodging of rotating part, dodge the chamber and connect first connection chamber and second connection chamber.
Further, the first connecting cavity and the second connecting cavity are coaxially arranged.
Furthermore, the locating sleeve is provided with an inward extending locating edge, the sealing ring is provided with a locating platform matched with the locating edge, and the locating edge is located on the locating platform.
Further, the seal ring has a first seal claw extending obliquely inward and upward along the positioning table, the first seal claw being in contact with an outer side of the rotating portion.
Further, the sealing ring is provided with a second sealing claw which extends inwards and downwards in a downward inclined mode, the second sealing claw is in contact with the outer side of the rotating portion, and the second sealing claw is located below the first sealing claw.
Further, the seal ring is provided with a third sealing jaw located between the first sealing jaw and the second sealing jaw, the third sealing jaw having an upper side and a lower side which are close to each other in an inward direction.
Further, the seal ring is provided with a fourth seal claw for sealing a gap between the rotating portion and the lower end housing.
Compared with the prior art, the invention has the advantages and positive effects that: by arranging the rotary sealing structure and respectively connected with the water drainage pipe and the water channel in a sealing manner, the washing water is directly discharged after passing through the water channel, the rotary sealing structure and the water drainage pipe, and is always in a pipeline after being discharged out of the washing barrel until being discharged, so that the washing water is prevented from contacting with the outside in the discharging process, and dust, impurities and the like are prevented from entering the washing water; the washing machine without the outer barrel saves the structure of the water receiving tray, avoids the overflow and water splashing of the washing water and increases the safety; and is beneficial to the simplification of the structure and the reduction of the manufacturing cost.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a first embodiment of a washing machine according to the present invention;
FIG. 2 is a cross-sectional structural schematic view of the rotary seal arrangement of FIG. 1;
FIG. 3 is an enlarged schematic view of the positioning sleeve of FIG. 2;
FIG. 4 is an enlarged schematic view of the seal ring of FIG. 2;
FIG. 5 is a schematic structural view of a second embodiment of a washing machine according to the present invention;
fig. 6 is a schematic structural diagram of a washing machine according to a third embodiment of the present invention.
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 of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships in which directions near the axis of the inner tube are "inner" and vice versa based on the positional relationships shown in the drawings. The terminology is for the purpose of describing the invention only and is for the purpose of simplifying the description, and is not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated, and is not to be considered limiting of the invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, a first embodiment of a washing machine according to the present invention is a tub-less washing machine, or a single-tub washing machine, the washing machine including: a cabinet 10, a washing tub 20, a water passage 30, a rotary sealing structure 40, and a drain pipe 50; the washing tub 20 is rotatably disposed in the cabinet 10, the washing tub 20 is used to contain washing water, and laundry is also thrown into the washing tub 20; the water channel 30 is provided on the washing tub 20, the water channel 30 is used for discharging the washing water in the washing tub 10, and when the washing water in the washing tub 20 needs to be discharged, the washing water flows into the water channel 30; a drain pipe 50 for draining the washing water out of the cabinet 10, a drain pump 60 provided on the drain pipe 50, the drain pipe 50 being fixedly provided on the cabinet 10; the rotary seal structure 40 is provided between the waterway 30 and the drain pipe 50, and the rotary seal structure 40 has a connection chamber 41 sealingly connected to both the waterway 30 and the drain pipe 50.
In the embodiment, the rotary sealing structure 40 is arranged and respectively connected with the water drainage pipe 50 and the water channel 30 in a sealing manner, so that the washing water is directly discharged after passing through the water channel 30, the connecting cavity 41 of the rotary sealing structure 40 and the water drainage pipe 50, and the washing water is always in a pipeline after being discharged out of the washing tub until being discharged out, thereby avoiding the contact of the washing water with the outside in the discharging process and avoiding dust, impurities and the like from entering the washing water; the washing machine without the outer barrel saves the structure of the water receiving tray, avoids the overflow and water splashing of the washing water and increases the safety; and is beneficial to the simplification of the structure and the reduction of the manufacturing cost.
In the embodiment, referring to fig. 1, the water channel 30 is fixedly disposed at the outer side of the washing tub 20, and a water outlet communicated with the water channel 30 is formed on the tub wall of the washing tub 20; by the high-speed rotation of the washing tub 20, the washing water in the washing tub 20 is thrown to the water course 30 through the water outlet. The waterway 30 has a first waterway portion 31 provided outside the side wall of the washing tub 20 and a second waterway portion 32 provided outside the bottom wall of the washing tub 20.
The water passage 30 is rotated together with the washing tub 20 while the drain pipe 50 is fixedly provided with the cabinet 10 while the washing tub 20 is rotated, the rotary sealing structure 40 has a fixing portion 42 hermetically connected with the drain pipe 50, and a rotating portion 43 hermetically connected with the water passage 30, the rotating portion 43 being hermetically connected with the water passage 30 and rotated together with the washing tub 10; the connection cavity 41 has a first connection cavity 411 arranged on the rotation portion 43 and a second connection cavity 412 arranged on the fixing portion 42, the first connection cavity 411 is communicated with the second connection cavity 412, the upper end of the first connection cavity 411 is hermetically connected with the water outlet end of the second water channel portion 32 of the water channel 30, the lower end of the second connection cavity 412 is hermetically connected with the water inlet end of the water drainage pipe 50, the fixing portion 42 and the rotation portion 43 are hermetically arranged, and sealing between the first connection cavity 411 and the second connection cavity 412 is guaranteed.
The rotating portion 43 is a rotating shaft connected to the washing tub 20, the rotating portion 43 drives the washing tub 20 to rotate by the driving motor 70, that is, the driving motor 70 applies a torque to the rotating portion 43, and the rotating portion 43 is disposed coaxially with the washing tub 20. First connection chamber 411 axial runs through rotating part 43, first connection chamber 411 and the coaxial setting of rotating part 43 for when having rivers and not having rivers in the first connection chamber 411, the weight of rotating part 43 is even at radial distribution, avoids appearing the rotation after the weight and rocks, has guaranteed the steady when rotating part 43 is rotatory.
In other embodiments, the driving motor 70 may be provided to simultaneously rotate the rotary part 43 and the washing tub 20 in the same direction and at the same speed.
Referring to fig. 2, the fixing portion 42 has an upper end shell 421 fitted around the outer side of the rotating portion 43, and a lower end shell 422 located at the lower side of the rotating portion 43 and the upper end shell 421, and the upper end shell 421 and the lower end shell 422 are fixedly disposed by screws. The rotary seal structure 40 further includes a bearing 44 and a positioning sleeve 45 which are arranged between the rotary part 43 and the upper end housing 421, and relative rotation between the rotary part 43 and the upper end housing 421 is realized by arranging the bearing 44; the bearing 44 is sleeved on the outer side of the rotating part 43 and the inner side of the upper end shell 421, limiting protrusions for limiting the upward movement of the bearing 44 are arranged on the rotating part 43 and the upper end shell 421, the positioning sleeve 45 is used for limiting the downward movement of the bearing 44, the lower end of the positioning sleeve 45 is in contact with the lower end shell 422, and the upper end of the positioning sleeve 45 is in contact with the lower end of the bearing 44.
In order to avoid the contact friction between the rotating portion 43 and the lower end shell 422 during rotation, the lower end shell 422 is provided with an avoiding cavity 413 for avoiding the rotating portion 43, so that the rotating portion 43 is prevented from contacting the lower end shell 422, and the rotation of the rotating portion 43 is ensured. The bypass chamber 413 connects the first connection chamber 411 and the second connection chamber 412, and the connection chamber 41 includes the first connection chamber 411, the bypass chamber 413, and the second connection chamber 412 that are provided to penetrate in the axial direction of the rotary seal structure 40. The first connection chamber 411 and the second connection chamber 412 have the same diameter, and the bypass chamber 413 has a diameter larger than that of the first connection chamber 411. By providing the bypass chamber 413, contact friction between the rotating portion 43 and the lower end housing 422 during rotation is avoided, and influence on water flow during sealing between the rotating portion 43 and the lower end housing 422 is facilitated to be avoided.
In the rotary seal structure 40, in order to prevent the water flow in the connection chamber 41 from leaking, it is necessary to seal between the first connection chamber 411 and the escape chamber 413, and therefore, a seal ring 46 is provided between the rotary portion 43, the positioning sleeve 45, and the lower end housing 422 so that the water flow in the first connection chamber 411 does not leak through the gap. The specific structural arrangement of the seal ring 46 can have various structural forms, and in the present embodiment, the seal ring 46 has an outer end face 461 attached to the positioning sleeve 45, a lower end face 462 attached to the lower end shell 422, and a plurality of sealing claws extending inward and engaged with the rotating portion 43 for sealing between the rotating portion 43 and the upper end shell 421, and between the upper end shell 421 and the lower end shell 422.
2-4, in order to realize the positioning of the sealing ring 46, an annular positioning edge 451 extending inwards is arranged on the positioning sleeve 45, a positioning table 465 matched with the positioning edge 451 is arranged on the sealing ring 46, and the positioning edge 451 is positioned on the positioning table 467; the seal ring 46 is located between the positioning rim 451 and the lower end housing 422. The seal ring 46 has a first seal claw 463 extending obliquely inward and upward along the positioning table 467, the first seal claw 463 contacting the outer side of the rotating portion 43; the seal ring 46 is further provided with a second sealing claw 464 extending inward and downward, the second sealing claw 464 contacting the outer side of the rotating portion 43, the second sealing claw 464 being located below the first sealing claw 463; by providing the first seal claw 463 which is inclined upward and the second seal claw 464 which is inclined downward, the first seal claw 463 and the second seal claw 464 form a seal region which is engaged with each other after being attached to the outer side of the rotating portion 43, and the sealing performance is ensured.
The sealing ring 46 is further provided with a third sealing claw 465 between the first sealing claw 463 and the second sealing claw 464, the third sealing claw 465 having an upper side and a lower side which are adjacent to each other in the inward direction, the third sealing claw 465 forming a support for the first sealing claw 463 and the second sealing claw 464 and further increasing the stability and sealing of the seal. The seal ring 46 is provided with a fourth seal claw 466 for sealing a gap between the rotary portion 46 and the lower end housing 422, and by providing the fourth seal claw 466, water entering in the escape chamber 413 is avoided, a first seal of the seal ring 46 is formed, and even if the fourth seal claw 466 fails, the seal ring further has a seal of the second seal claw 464, which is advantageous for improving the sealing performance.
Referring to fig. 5, a second embodiment of the washing machine according to the present invention is mainly different from the first embodiment in that the water passage is disposed at a different position, and other structures may be the same as the first embodiment.
In this embodiment, the washing machine is a tub-less washing machine, or a single-tub washing machine, and the washing machine includes: a cabinet 10, a washing tub 20, a water passage 80, a rotary sealing structure 40, and a drain pipe 50; the washing tub 20 is rotatably disposed in the cabinet 10, the washing tub 20 is used to contain washing water, and laundry is also thrown into the washing tub 20; the water channel 80 is provided on the washing tub 20, the water channel 80 is used for discharging the washing water in the washing tub 10, and when the washing water in the washing tub 20 needs to be discharged, the washing water flows into the water channel 80; a drain pipe 50 for draining the washing water out of the cabinet 10, a drain pump 60 provided on the drain pipe 50, the drain pipe 50 being fixedly provided on the cabinet 10; the rotary seal structure 40 is provided between the water passage 80 and the water discharge pipe 50, and the rotary seal structure 40 has a connection chamber 41 sealingly connected to both the water passage 80 and the water discharge pipe 50.
In the embodiment, the rotary sealing structure 40 is arranged and respectively connected with the water drainage pipe 50 and the water channel 80 in a sealing manner, so that the washing water is directly discharged after passing through the water channel 80, the connecting cavity 41 of the rotary sealing structure 40 and the water drainage pipe 50, and the washing water is always in a pipeline after being discharged out of the washing tub until being discharged out, thereby avoiding the contact of the washing water with the outside in the discharging process and avoiding dust, impurities and the like from entering the washing water; the washing machine without the outer barrel saves the structure of the water receiving tray, avoids the overflow and water splashing of the washing water and increases the safety; and is beneficial to the simplification of the structure and the reduction of the manufacturing cost.
In this embodiment, the water channel 80 has an inner water channel 81 fixedly disposed at the inner side of the tub wall of the washing tub 20 and an outer water channel 82 fixedly disposed at the outer side of the bottom wall of the washing tub 20, and a connection port is formed at the bottom wall of the washing tub 20 to communicate the inner water channel 81 with the outer water channel 82; the washing water in the washing tub 20 is thrown into the inner waterway 81 by the high-speed rotation of the washing tub 20, and the water flows into the outer waterway 82 along the inner waterway 81 and into the connection chamber 41. The water outlet end of the outer water channel 82 is communicated with the connecting cavity 41.
Referring to fig. 6, a third embodiment of the washing machine according to the present invention is mainly different from the first embodiment in that the water channel is disposed at a different position, and other structures may be the same as the first embodiment.
In this embodiment, the washing machine is a tub-less washing machine, or a single-tub washing machine, and the washing machine includes: a cabinet 10, a washing tub 20, a water passage 90, a rotary sealing structure 40, and a drain pipe 50; the washing tub 20 is rotatably disposed in the cabinet 10, the washing tub 20 is used to contain washing water, and laundry is also thrown into the washing tub 20; a water channel 90 is provided on the washing tub 20, the water channel 90 is used for discharging the washing water in the washing tub 10, and the washing water flows into the water channel 90 when the washing water in the washing tub 20 needs to be discharged; a drain pipe 50 for draining the washing water out of the cabinet 10, a drain pump 60 provided on the drain pipe 50, the drain pipe 50 being fixedly provided on the cabinet 10; the rotary seal structure 40 is provided between the water passage 90 and the water discharge pipe 50, and the rotary seal structure 40 has a connection chamber 41 sealingly connected to both the water passage 90 and the water discharge pipe 50.
In this embodiment, by providing the rotary seal structure 40, which is respectively connected to the drain pipe 50 and the water channel 90 in a sealing manner, the washing water is directly discharged after passing through the water channel 90, the connection cavity 41 of the rotary seal structure 40 and the drain pipe 50, so that the washing water is always in a pipeline after being discharged out of the washing tub until being discharged out, thereby preventing the washing water from contacting with the outside during the discharging process, and preventing dust, impurities and the like from entering the washing water; the washing machine without the outer barrel saves the structure of the water receiving tray, avoids the overflow and water splashing of the washing water and increases the safety; and is beneficial to the simplification of the structure and the reduction of the manufacturing cost.
In this embodiment, the water channel 90 is fixedly disposed at the outer side of the bottom wall of the washing tub 20, the bottom wall of the washing tub 20 is provided with a water outlet, a valve capable of being opened and closed is disposed at the water outlet or on the water channel 90, the valve is closed during the washing process, and when water needs to be drained, the valve is opened to drain water. The water outlet end of the water channel 90 is communicated with the connecting cavity 41.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. A washing machine, characterized by comprising:
a box body;
the washing barrel is rotatably arranged in the box body;
a water passage provided on the washing tub for discharging the washing water in the washing tub;
a drain pipe for draining the washing water out of the cabinet;
and the rotary sealing structure is arranged between the water channel and the water drainage pipe and is provided with a connecting cavity which is hermetically connected with the water channel and the water drainage pipe.
2. The washing machine as claimed in claim 1, wherein the rotary sealing structure has a fixed portion sealingly connected to the drain pipe, and a rotary portion sealingly connected to the water passage, and the fixed portion and the rotary portion are sealingly disposed therebetween.
3. A washing machine according to claim 2, wherein the connection chamber has a first connection chamber opened at the rotation portion and a second connection chamber opened at the fixing portion, the first connection chamber and the second connection chamber being communicated with each other.
4. The washing machine as claimed in claim 2, further comprising a driving motor driving the washing tub to rotate, wherein the rotating part is a rotating shaft connected to the washing tub, and the driving motor drives the rotating shaft to rotate.
5. The washing machine as claimed in claim 2, wherein the stationary part has an upper end housing fitted over an outer side of the rotating part, and the rotary seal structure further comprises a bearing and a positioning sleeve provided between the rotating part and the upper end housing, the positioning sleeve defining the bearing.
6. A washing machine as claimed in claim 5 wherein the stationary part further has a lower end casing fixedly secured to the upper end casing, the lower end of the positioning sleeve being located on the lower end casing, and an annular gasket being provided between the rotary part, the positioning sleeve and the lower end casing.
7. The washing machine as claimed in claim 6, wherein the connection chamber has a second connection chamber opened in the lower end casing, and an escape chamber opened in the lower end casing to escape from the rotation part, the escape chamber connecting the first connection chamber and the second connection chamber.
8. The washing machine as claimed in claim 6, wherein the positioning sleeve is provided with an inwardly extending positioning edge, the sealing ring is provided with a positioning table matched with the positioning edge, and the positioning edge is positioned on the positioning table; the sealing ring is provided with a first sealing claw which extends inwards and upwards in an inclined way along the positioning table, and the first sealing claw is in contact with the outer side of the rotating part; the sealing washer is equipped with the inside and second sealed claw that the downward sloping extends, the second sealed claw with the outside contact of rotating part, the second sealed claw is located the below of first sealed claw.
9. The washing machine as claimed in any one of claims 1 to 8, wherein the water passage is located outside the washing tub, and a water outlet communicating with the water passage is opened on a side wall or a bottom wall of the washing tub.
10. The washing machine as claimed in any one of claims 1 to 8, wherein the waterway has an inner waterway fixedly secured to an inside of a tub wall of the washing tub and an outer waterway fixedly secured to an outside of a bottom wall of the washing tub.
CN202010313922.3A 2020-04-20 2020-04-20 Washing machine Pending CN113529367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010313922.3A CN113529367A (en) 2020-04-20 2020-04-20 Washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010313922.3A CN113529367A (en) 2020-04-20 2020-04-20 Washing machine

Publications (1)

Publication Number Publication Date
CN113529367A true CN113529367A (en) 2021-10-22

Family

ID=78123696

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010313922.3A Pending CN113529367A (en) 2020-04-20 2020-04-20 Washing machine

Country Status (1)

Country Link
CN (1) CN113529367A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115171296A (en) * 2022-08-03 2022-10-11 北京中轻联认证中心有限公司 Shared service type washing device and system and method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115171296A (en) * 2022-08-03 2022-10-11 北京中轻联认证中心有限公司 Shared service type washing device and system and method thereof

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