CN110725094A - Washing machine and control method thereof - Google Patents

Washing machine and control method thereof Download PDF

Info

Publication number
CN110725094A
CN110725094A CN201810775806.6A CN201810775806A CN110725094A CN 110725094 A CN110725094 A CN 110725094A CN 201810775806 A CN201810775806 A CN 201810775806A CN 110725094 A CN110725094 A CN 110725094A
Authority
CN
China
Prior art keywords
water
tub
air
washing
inlet
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.)
Granted
Application number
CN201810775806.6A
Other languages
Chinese (zh)
Other versions
CN110725094B (en
Inventor
杨丽梅
刘尊安
宋秀顺
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 Washing Machine Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Washing Machine 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 Washing Machine Co Ltd filed Critical Qingdao Haier Washing Machine Co Ltd
Priority to CN201810775806.6A priority Critical patent/CN110725094B/en
Publication of CN110725094A publication Critical patent/CN110725094A/en
Application granted granted Critical
Publication of CN110725094B publication Critical patent/CN110725094B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/12—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid solely by gases, e.g. air or steam, introduced into the washing liquid
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

The invention discloses a washing machine and its control method, the washing machine includes a clothes treatment barrel and a water/gas supply mechanism, the water/gas supply mechanism has an outlet end communicated with the periphery of the clothes treatment barrel, the water/gas supply mechanism supplies water/gas to the clothes treatment barrel through the outlet end, and a surging washing water flow is formed in the clothes treatment barrel; the washing machine of the invention forms surging washing water flow rolling in the vertical direction in the clothes treatment barrel, improves the washing effect of clothes, and relieves the phenomena of clothes winding and serious clothes abrasion in the traditional washing mode.

Description

Washing machine and control method thereof
Technical Field
The invention belongs to the technical field of clothes treatment devices, and particularly relates to a washing machine and a control method thereof.
Background
The washing principle of the existing impeller washing machine is developed by simulating manual washing of clothes, and the main component generating mechanical action is an impeller which is positioned at the bottom of a clothes treatment barrel. The washing machine controls the motor of the washing machine to intermittently perform positive and negative operation according to a set rotation-stop ratio through a computer program controller to form vortex water flow to wash clothes.
However, the water flow has a high speed at the outer side of the impeller and a low speed at the inner side, and the clothes continuously rotate and roll along with the water flow and are continuously extruded to the center, so that the winding is generated. The washing method of the existing washing machine forms annular washing water flow in the clothes treatment barrel, the water flow form is single, the washing effect is common, and the washing water flow formed by only driving the washing water through the impeller easily causes clothes to be wound and seriously abraded.
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, wherein a surging washing water flow which rolls in the vertical direction is formed in a clothes treatment barrel, so that the washing effect of clothes is improved, and the phenomena of clothes winding and serious clothes abrasion in the traditional washing mode are relieved.
In order to solve the technical problems, the invention adopts the technical scheme that:
a washing machine includes a laundry treating tub and a water/gas supply mechanism having an outlet end communicating with a peripheral portion of the laundry treating tub, the water/gas supply mechanism supplying water/gas into the laundry treating tub through the outlet end to form a surging washing water flow in the laundry treating tub.
In the above scheme, the washing machine includes a water/air supply mechanism for supplying water/air to the inside of the laundry treatment tub, thereby forming a surging washing water flow in the laundry treatment tub, and preferably, forming a surging washing water flow rolling in a vertical direction in the laundry treatment tub, thereby improving the washing effect of the laundry, and alleviating the phenomena of laundry entanglement and severe laundry wear in the conventional washing manner. In this scheme, the water/air supply mechanism is communicated to the outer circumference of the laundry treating tub, thereby forming a surging washing water flow from the outside to the inside.
Preferably, the laundry treating tub comprises a peripheral tub wall and a tub bottom, and the outlet end of the water/air supply mechanism is connected to the bottom of the peripheral tub wall or to the peripheral portion of the tub bottom;
in the scheme, the outlet end of the water/gas supply mechanism is connected to the bottom of the peripheral cylinder wall, so that water/gas is supplied to the upper middle position of the clothes treatment barrel, surging washing water flow from bottom to top and from outside to inside is formed, and the winding of clothes is effectively relieved.
Preferably, the outlet end of the water/air supply mechanism is connected to the bottom of the tub to supply water/air to the inside of the laundry treating tub to form a surging washing water flow from bottom to top.
The above scheme is a preferable scheme, the outlet end of the water/air supply mechanism is connected to the periphery of the barrel bottom so as to supply water/air to the inside of the clothes treatment barrel, and surging washing water flow from bottom to top and from outside to inside is formed in the clothes treatment barrel.
Preferably, the laundry treating tub includes a rotatable inner tub and an outer tub for holding water, and an outlet end of the water/gas supplying mechanism is communicated to an outer circumferential portion of the inner tub and/or the outer tub.
Preferably, the periphery of the bottom of the outer barrel is provided with an inlet communicated with the inner cavity of the outer barrel, the water/gas supply mechanism comprises a water/gas outlet channel, and the water/gas outlet channel is communicated with the inlet and feeds water/gas into the inlet.
In the above scheme, because the size of the outer barrel is larger than that of the inner barrel, the outlet end of the water/gas supply mechanism is communicated with the peripheral part of the outer barrel, the structure is reasonable, and the formed surging washing water flow has good effect.
Preferably, a plurality of inlets are arranged on the periphery of the bottom of the outer barrel along the circumferential direction, the water/air supply mechanism comprises a plurality of water/air outlet channels, and each water/air outlet channel is connected with one inlet.
In the above scheme, a plurality of inlets are uniformly distributed on the periphery of the bottom of the outer barrel, and the water/gas supply mechanism is used for supplying water/gas to the inner part of the outer barrel through each inlet so as to form surging washing water flow from outside to inside and from bottom to top. The clothes concentrated at the center of the inner barrel are dispersed towards the periphery, the clothes are prevented from being wound and worn, and the washing effect is improved.
Preferably, the water/air supply mechanism comprises a water/air pump, an outlet end of the water/air pump is communicated to an inlet at the outer periphery of the outer barrel through at least one water/air outlet channel, and an inlet end of the water/air pump is communicated with a water source/air source through an water/air inlet channel.
Preferably, the inlet end of the water pump is communicated to the middle position of the bottom of the inner barrel/outer barrel through a water inlet channel so as to guide the washing water in the middle of the inner barrel/outer barrel into the peripheral part of the outer barrel;
in the above scheme, the water pump guides the washing water in the center of the bottom of the inner barrel or the outer barrel to the periphery of the outer barrel, thereby being beneficial to enhancing the strength of the surging washing water flow and improving the washing effect.
The inlet end of the air pump is communicated with the outside air through an air inlet channel, and the air inlet of the air inlet channel is higher than the water level of the washing water in the washing machine.
Preferably, the air pump can be externally connected with a compressed air storage device, and the compressed air storage device can provide powerful high-pressure air for the washing machine.
Preferably, the bottom of the inner tub is provided with a communication port communicating with the inner chamber thereof, the water inlet passage comprises a water flow passage provided in the outer tub, the water flow passage is communicated with the communication port, and the water pump draws washing water from the inside of the inner tub through the water flow passage and supplies the washing water to the outer periphery of the outer tub through the water outlet passage, thereby forming a washing water flow surging from bottom to top in the washing machine.
In the above scheme, through the design of the communication port and the water inlet channel, the washing water in the inner barrel is guided into the peripheral part of the outer barrel, so that the strong surging washing water flow is formed, and the washing effect is improved.
Preferably, the water flow channel comprises a chamber isolated from the inner part of the outer barrel, the chamber is communicated with a communication port on the inner barrel, and the water pump pumps the washing water from the inner barrel through the chamber;
in the above scheme, the inner cavity of the water flow channel is isolated from the inner part of the outer barrel and communicated with the inner barrel, so that water supplied by the air supply mechanism is prevented from leaking, a strong surging washing water flow is formed, and clothes are washed efficiently.
Preferably, the water flow channel comprises a water outlet, and the inlet end of the water pump is connected with the water outlet through a water inlet pipe;
preferably, the water flow channel comprises a cover body, the cover body is arranged on the inner surface of the outer barrel, and a cavity isolated from the inner part of the outer barrel is formed between the cover body and the inner surface of the outer barrel;
preferably, the outer barrel is provided with a connecting port, the water pump is connected with the connecting port through a water inlet pipe, the bottom opening end cover of the cover body is arranged on the inner surface of the bottom of the outer barrel and covers the connecting port to form a cavity which is isolated from the inside of the outer barrel and is communicated with the water inlet pipe of the water pump, the top end of the cover body is provided with an inlet which is rotatably, hermetically and matched with the bottom of the inner barrel, and the inlet surrounds each communicating port of the bottom of the inner barrel.
In the above scheme, the cover body directly covers the sealing installation of the connecting port on the outer barrel, and the water pump pumps the washing water from the inner cavity of the cover body through the connecting port.
Preferably, the inner barrel is internally provided with a wave wheel, the wave wheel is provided with a channel for communicating a communicating port on the bottom of the inner barrel with a chamber in the inner barrel, washing water enters the communicating port of the inner barrel through the channel and further enters a water flow channel in the outer barrel, and then enters the inner barrel from the outside of the outer barrel through a water outlet channel under the action of a water pump, so that a circulating water path is formed.
In the above scheme, the impeller is rotatably arranged in the inner barrel of the washing machine, so that in the washing process, vortex water flow can be formed in the horizontal direction, the water/air pump forms surging washing water flow from bottom to top, clothes can be completely washed under the action of various water flows, and the surging washing water flow from bottom to top effectively untwists the clothes caused by the vortex water flow formed by the impeller, so that the washing effect is improved, and the clothes are prevented from being worn.
Preferably, the inlet of the water flow channel is rotatably and hermetically connected with the bottom of the inner barrel; the outlet end of the channel on the impeller is rotatably and hermetically connected with the barrel bottom of the inner barrel;
in the scheme, the inlet of the water flow channel is rotatably and hermetically connected with the bottom of the inner barrel; the outlet end of the channel on the impeller is rotatably and hermetically connected with the barrel bottom of the inner barrel, so that the whole passage of the water/gas supply mechanism is sealed, water/gas is prevented from leaking, the power of the water/gas is ensured, and strong surging washing water flow is formed.
Preferably, the middle part of the bottom of the inner barrel is assembled on a dewatering shaft of the washing machine, the inlet of the water flow channel is arranged into a first annular structure surrounding the dewatering shaft, the bottom of the inner barrel is convexly provided with a first convex ring structure, the first convex ring structure is in rotatable sealing fit with the inlet of the water flow channel, and a plurality of communication ports are arranged in the first convex ring structure on the bottom of the inner barrel;
in the above scheme, the sealing structure is pressed between the first annular structure and the first convex ring structure, and dynamic sealing can be formed with the sealing structure even when the inner barrel rotates.
Preferably, the passage comprises a second annular structure which is arranged at the bottom of the impeller in a downward protruding manner, a second convex ring structure which surrounds each communication port is arranged at the bottom of the inner barrel in an upward protruding manner, the second annular structure on the impeller is in rotatable sealing fit with the second convex ring structure, and a plurality of water outlet holes are formed in the impeller, which is positioned in the second annular structure.
Similarly, a sealing structure is pressed between the second annular structure and the second convex ring structure, and dynamic sealing can be formed between the second annular structure and the second convex ring structure even when the impeller rotates.
Furthermore, if the requirement on the effect of surging washing water flow is not high, the two sealing structures can be omitted, the sealing is simply carried out in a staggered matching mode of the convex ring structure and the annular structure, and in consideration of avoiding friction, the matching between the convex ring structure and the annular structure which are matched with each other is difficult to avoid a gap, so that the surging washing water flow effect of the structure is slightly weaker, but can still be realized.
The water flow channel includes a cover body, the bottom of the cover body is set to be an open end and is matched with the bottom of the inner barrel, the top of the cover body is set to be a circular inlet, the circular inlet is centered on the washing shaft/dewatering shaft of the washing machine and is arranged around the washing shaft/dewatering shaft, or in other words, the cover body is sleeved outside the washing shaft/dewatering shaft through the circular inlet at the top, an annular channel is formed between the circular inlet and the washing shaft/dewatering shaft, and the washing water flows out of the inner barrel from the annular channel and enters the water flow channel. Furthermore, the first convex ring structure at the bottom of the inner barrel is in sealed and rotatable fit with the circular inlet at the top of the cover body, and washing water enters the inside of the water flow channel from each communication port in the first convex ring structure at the bottom of the inner barrel and then flows out of the inner barrel.
Another object of the present invention is to provide a control method of a washing machine including a laundry treating tub and a water/air supply mechanism having an outlet port communicated with the laundry treating tub, the outlet port being communicated to an outer circumferential portion of the laundry treating tub, the control method including: the water/air supply mechanism supplies water/air into the laundry treating tub, and forms a surging washing water flow in the laundry treating tub.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the washing machine of the present invention comprises a laundry treating tub and a water/air supply mechanism having an outlet end communicating with the outer circumference of the laundry treating tub, the water/air supply mechanism supplying water/air to the laundry treating tub through the outlet end to form a surging washing water flow in the laundry treating tub; the washing machine of the invention forms surging washing water flow rolling in the vertical direction in the clothes treatment barrel, improves the washing effect of clothes, and relieves the phenomena of clothes winding and serious clothes abrasion in the traditional washing mode.
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 of the structure of the washing machine of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1. an outer tub; 11. a connecting port; 12. a passage portion, a water flow passage; 120. an outlet, an inlet; 13. a cover body; 15. a water outlet and an inlet; 2. an inner barrel; 21. a communication port; 22. a first bulge loop structure; 23. a second bulge loop structure; 3. an impeller; 31. a channel; 311. a second annular structure; 4. a water/air pump; 41. water/gas outlet pipe, water inlet pipe; 42. water/gas inlet pipe, water/gas outlet channel; 5. a dewatering shaft; 121. a first annular structure; 6. a speed reducer; 7. a motor; 8 sealing structure.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1 and 2, the present embodiment provides a washing machine including a laundry treating tub and a water/air supply mechanism having an outlet end communicating with the laundry treating tub, the water/air supply mechanism supplying water/air into the laundry treating tub through the outlet end to form a surging washing water flow in the laundry treating tub.
In the above scheme, the washing machine includes a water/air supply mechanism for supplying water/air to the inside of the laundry treatment tub, thereby forming a surging washing water flow in the laundry treatment tub, and preferably, forming a surging washing water flow rolling in a vertical direction in the laundry treatment tub, thereby improving the washing effect of the laundry, and alleviating the phenomena of laundry entanglement and severe laundry wear in the conventional washing manner.
Preferably, the outlet end of the water/air supply mechanism is communicated with the laundry treatment tub at the bottom of the laundry treatment tub, and water/air is supplied into the laundry treatment tub, so that a washing water flow rushing from bottom to top is formed in the laundry treatment tub;
in the above scheme, the water/air supply mechanism is communicated to the bottom of the clothes treatment barrel, and water/air is supplied from the bottom of the clothes treatment barrel to the upper part, so that a surging water flow effect of rolling from bottom to top is formed in the clothes treatment barrel.
Preferably, the outlet end of the water/air supply mechanism is connected to a middle position of the bottom of the laundry treating tub.
In the scheme, water/air is forcefully gushed out from the central part of the clothes treatment barrel to form a gushing water flow effect of rolling from bottom to top in the vertical direction, so that the clothes are driven to form an effect of rolling from the center to the periphery, and the clothes are unwound from the winding.
Preferably, the clothes treating tub comprises a rotatable inner tub 2 and an outer tub 1 for holding water, and the outlet end of the water/gas supply mechanism is communicated to the inner tub 2 and/or the outer tub 1.
Preferably, a communication port 21 is arranged at the middle position of the bottom of the inner barrel 2, the water/air supply mechanism comprises a channel part 12 arranged in the outer barrel 1, an outlet of the channel part 12 is communicated with the communication port 21, and the water/air supply mechanism supplies water/air to the inner barrel 2 through the channel part 12.
In the above scheme, a channel part communicated with the inner space of the inner barrel 2 is arranged inside the outer barrel 1 of the washing machine, and the water/air supply mechanism supplies water/air into the inner barrel 2 through the channel part, so that surging washing water flow is formed inside the inner barrel 2 to carry out anti-winding washing on clothes.
Preferably, the channel part comprises a chamber isolated from the inside of the outer barrel 1, the chamber is communicated with a communication port on the inner barrel 2, and the water/air supply mechanism supplies water/air to the communication port through the chamber;
in the above scheme, the internal cavity of the channel part is isolated from the inside of the outer barrel 1 and communicated with the inner barrel 2, thereby preventing the water/gas supplied by the water/gas supply mechanism from leaking, being beneficial to forming strong surging washing water flow and efficiently washing clothes.
Preferably, the channel portion 12 includes a cover 13, the cover 13 is mounted on the inner surface of the outer tub 1 and forms a chamber isolated from the inside of the outer tub 1 with the inner surface of the outer tub 1, and the chamber is communicated with the communication port 21.
In the above scheme, the structure of the channel part 12 is the structure of the cover body 13, and the channel part is directly assembled with the inner surface of the outer barrel 1 to form an isolated cavity, so that the structure is simple, and the design is reasonable.
Preferably, the channel part 12 comprises an inlet, the water/air supply mechanism comprises a water/air pump 4, an outlet end of the water/air pump 4 is communicated with the inlet through a water/air outlet pipe 41, and an inlet end of the water/air pump 4 is communicated with a water/air source through a water/air inlet pipe 42;
preferably, the outer tub 1 is provided with a connection port 11, the water/air pump 4 is connected to the connection port 11 through a water/air outlet pipe 41, the bottom opening of the cover 13 is covered on the inner surface of the bottom of the outer tub 1 and covers the connection port 11 to form a chamber isolated from the inside of the outer tub 1 and communicated with the water/air outlet pipe 41, the top end of the cover 13 is provided with an outlet 120 rotatably and hermetically matched with the bottom of the inner tub 2, and the outlet 120 surrounds each communication port 21 at the bottom of the inner tub 2.
In the above scheme, the cover 13 directly covers the connection port 11 and is hermetically mounted on the outer tub 1, and the water/air pump 4 supplies water/air to the cavity inside the cover 13 through the connection port 11.
Preferably, the inner tub 2 is internally provided with a wave wheel 3, the wave wheel 3 is provided with a channel 31 for communicating a communicating port 21 on the bottom of the inner tub 2 with the inner chamber of the inner tub 2, and water/air enters the channel 31 through the communicating port 21 on the bottom of the inner tub 2 and then enters the inner tub 2 through the channel 31.
In the above scheme, the impeller 3 is rotatably arranged in the inner barrel 2 of the washing machine, so that in the washing process, vortex water flow can be formed in the horizontal direction, the water/air pump 4 forms surging washing water flow from bottom to top, clothes can be completely washed under the action of various water flows, and the surging washing water flow from bottom to top effectively unwinds the winding of the clothes caused by the vortex water flow formed by the impeller 3, the washing effect is improved, and the clothes are prevented from being worn.
Preferably, the inlet end of the water pump 4 is communicated to the outer tub 1 of the washing machine through the water inlet pipe 42 to guide the washing water in the outer tub 1 into the inner tub 2, so as to form a surging washing water flow in the inner tub 2;
in the above scheme, the water pump 4 pumps water from the inside of the outer tub 1 of the washing machine to the middle of the inner tub 2, so that a surging washing water flow from inside to outside and from bottom to top is formed, and the formed surging washing water flow has stronger power.
Preferably, the outer periphery of the outer tub 1 is provided with a plurality of water outlets 15 (only one water outlet 15 is shown in the drawing) around the outer tub 1, and the inlet end of the water pump 4 is respectively communicated with the water outlets 15 through a plurality of water inlet pipes 42.
Preferably, the inlet end of the water pump 4 may be directly connected to an external water source to supply water to the inside of the inner tub 2, and may also form a surging washing water flow.
Preferably, the inlet end of the air pump 4 is connected to the outside air through an air inlet duct 42, which has an air inlet higher than the level of the washing water in the washing machine, to introduce the air into the inner tub 2 of the washing machine to form a surging washing water stream.
In the above scheme, the inlet end of the air pump 4 is communicated with the outside air, so as to supply air to the inside of the inner barrel 2, and the water flow of the fountain washing water can be formed.
Preferably, the air pump 4 may be externally connected to a compressed air storage device, which may provide powerful high-pressure air to the washing machine.
Preferably, the outlet 120 of the channel part is rotatably and hermetically connected with the bottom of the inner barrel 2; the inlet of the channel 31 on the impeller 3 is rotatably and hermetically connected with the bottom of the inner barrel 2;
in the above scheme, the outlet 120 of the channel part is rotatably and hermetically connected with the bottom of the inner barrel 2; the inlet of the channel 31 on the impeller 3 is rotatably and hermetically connected with the bottom of the inner barrel 2, so that the whole channel of the water/air supply mechanism is sealed, water/air is prevented from leaking, the power of the water/air is ensured, and strong surging washing water flow is formed.
Preferably, the middle part of the bottom of the inner tub 2 is mounted on the dewatering shaft 5 of the washing machine, the outlet 120 of the channel part 12 is arranged as a first annular structure 121 surrounding the dewatering shaft 5, the bottom of the inner tub 2 is convexly provided with a first convex ring structure 22, the first convex ring structure 22 is rotatably and hermetically matched with the outlet 120/121 of the channel part, and a plurality of communication ports 21 are arranged on the bottom of the inner tub 2 inside the first convex ring structure 22;
in the above-mentioned aspect, the sealing structure 8 is press-fitted between the first ring structure 121 and the first male ring structure 22, and a dynamic seal is formed with the sealing structure 8 even when the inner tub 2 rotates.
Preferably, the channel 31 includes a second annular structure 311 protruding downward from the bottom of the pulsator 3, a second convex ring structure 23 protruding upward from the bottom of the inner tub 2 and surrounding the communication ports, the second annular structure 311 on the pulsator 3 is in rotatable sealing engagement with the second convex ring structure 23, and a plurality of injection holes are formed in the pulsator 3 inside the second annular structure 311. Therefore, in the rotation process of the impeller, the jet holes do circular motion, and the surging washing water flow effect which is in circular rotation motion is formed in the washing chamber, so that the effect similar to a fountain is achieved.
Likewise, the seal structure 8 is pressed between the second annular structure 311 and the second protruding ring structure 23, and a dynamic seal can be formed with the seal structure 8 even when the pulsator 3 rotates.
Furthermore, if the requirement on the effect of the surging washing water flow is not high, the two sealing structures 8 can be omitted, the sealing is simply carried out in a staggered matching mode of the convex ring structure and the annular structure, and in consideration of avoiding friction, the matching between the convex ring structure and the annular structure which are matched with each other is difficult to avoid a gap, so that the surging washing water flow effect of the structure is slightly weaker, but can still be realized.
Wherein, with respect to the structure of the channel part 12, as described herein, the channel part 12 includes a cover 13, the bottom of the cover 13 is provided as an open end to be engaged with the bottom of the inner tub 2, the top of the cover 13 is provided as a circular outlet 120, the circular outlet 120 is centered on the washing/dehydrating shaft 5 of the washing machine and is disposed around the washing/dehydrating shaft 5, or in other words, the cover 13 is sleeved outside the washing/dehydrating shaft 5 through the circular outlet 120 at the top, an annular channel is formed between the circular outlet 120 and the washing/dehydrating shaft 5, and water/air enters the inner tub 2 through the annular channel. Furthermore, the first protruding ring structure 22 at the bottom of the inner barrel 2 is in sealed and rotatable fit with the circular outlet at the top of the cover 13, and water/air directly enters the communication ports 21 in the first protruding ring structure 22 at the bottom of the inner barrel 2 through the annular channel.
Example two
The difference from the first embodiment is that the water/air supply mechanism supplies water/air to the outer circumference of the laundry treating tub to form a surging washing water flow from outside to inside and from bottom to top.
Referring to fig. 1 and 2, the washing machine in the second embodiment includes a laundry treating tub and a water/air supply mechanism having an outlet end communicating with a peripheral portion of the laundry treating tub, the water/air supply mechanism supplying water/air into the laundry treating tub through the outlet end to form a surging washing water flow in the laundry treating tub.
In the above scheme, the washing machine includes a water/air supply mechanism for supplying water/air to the inside of the laundry treatment tub, thereby forming a surging washing water flow in the laundry treatment tub, and preferably, forming a surging washing water flow rolling in a vertical direction in the laundry treatment tub, thereby improving the washing effect of the laundry, and alleviating the phenomena of laundry entanglement and severe laundry wear in the conventional washing manner. In this scheme, the water/air supply mechanism is communicated to the outer circumference of the laundry treating tub, thereby forming a surging washing water flow from the outside to the inside.
Preferably, the laundry treating tub comprises a peripheral tub wall and a tub bottom, and the outlet end of the water/air supply mechanism is connected to the bottom of the peripheral tub wall or to the peripheral portion of the tub bottom;
in the scheme, the outlet end of the water/gas supply mechanism is connected to the bottom of the peripheral cylinder wall, so that water/gas is supplied to the upper middle position of the clothes treatment barrel, surging washing water flow from bottom to top and from outside to inside is formed, and the winding of clothes is effectively relieved.
Preferably, the outlet end of the water/air supply mechanism is connected to the bottom of the tub to supply water/air to the inside of the laundry treating tub to form a surging washing water flow from bottom to top.
The above scheme is a preferable scheme, the outlet end of the water/air supply mechanism is connected to the periphery of the barrel bottom so as to supply water/air to the inside of the clothes treatment barrel, and surging washing water flow from bottom to top and from outside to inside is formed in the clothes treatment barrel.
Preferably, the laundry treating tub includes a rotatable inner tub 2 and an outer tub 1 for holding water, and an outlet end of the water/gas supplying mechanism is communicated to an outer circumferential portion of the inner tub 2 and/or the outer tub 1.
Preferably, an inlet 15 communicating with the inner cavity of the outer tub 1 is arranged on the periphery of the bottom of the outer tub 1, the water/air supply mechanism comprises a water/air outlet channel 42, the water/air outlet channel 42 is communicated with the inlet 15, and water/air is supplied to the inlet 15.
In the above scheme, because the size of the outer barrel 1 is larger than that of the inner barrel 2, the outlet end of the water/gas supply mechanism is communicated with the peripheral part of the outer barrel 1, the structure is reasonable, and the formed surging washing water flow has good effect.
Preferably, a plurality of inlets 15 (only one is shown in fig. 2) are arranged on the periphery of the bottom of the outer tub 1 along the circumferential direction, the water/air supply mechanism includes a plurality of water/air outlet channels 42, and each water/air outlet channel 42 is connected with one inlet 15.
In the above scheme, a plurality of inlets 15 are uniformly distributed on the periphery of the bottom of the outer barrel 1, and the water/air supply mechanism supplies water/air to the inner part of the outer barrel 1 through the inlets 15 so as to form surging washing water flow from outside to inside and from bottom to top. The clothes concentrated at the center of the inner barrel 2 can be dispersed towards the periphery, the clothes are prevented from being wound and worn, and the washing effect is improved.
Preferably, the water/air supply mechanism comprises a water/air pump 4, an outlet end of the water/air pump 4 is communicated to an inlet at the outer periphery of the outer tub 1 through at least one water/air outlet channel 42, and an inlet end of the water/air pump 4 is communicated to a water source/air source through an water/air inlet channel.
Preferably, the inlet end of the water pump 4 is communicated to the middle position of the bottom of the inner barrel 2/outer barrel 1 through a water inlet channel so as to guide the washing water in the middle of the inner barrel 2/outer barrel 1 into the peripheral part of the outer barrel 1;
in the above scheme, the water pump 4 guides the washing water in the center of the bottom of the inner tub 2 or the outer tub 1 to the outer circumference of the outer tub 1, thereby being beneficial to enhancing the strength of the surging washing water flow and improving the washing effect.
The inlet end of the air pump 4 is communicated with the outside air through an air inlet channel, and the air inlet of the air inlet channel is higher than the water level of the washing water in the washing machine.
Preferably, the air pump 4 may be externally connected to a compressed air storage device, which may provide powerful high-pressure air to the washing machine.
Preferably, the bottom of the inner tub 2 is provided with a communication port 21 for communicating the inner chamber thereof, the water inlet channel comprises a water flow channel 12 arranged in the outer tub 1, the water flow channel 12 is communicated with the communication port 21, and the water pump 4 draws washing water from the inner tub 2 through the water flow channel 12 and supplies the washing water to the outer periphery of the outer tub 1 through the water outlet channel, thereby forming a washing water flow surging from bottom to top in the washing machine.
In the above scheme, the design of the communication port and the water inlet channel realizes that the washing water in the inner barrel 2 is guided into the peripheral part of the outer barrel 1, thereby being beneficial to forming strong surging washing water flow and improving the washing effect.
Preferably, the water flow channel 12 comprises a chamber isolated from the inside of the outer tub 1, the chamber is communicated with a communication port on the inner tub 2, and the water pump 4 pumps the washing water from the inside of the inner tub through the chamber;
in the above solution, the inner chamber of the water channel 12 is isolated from the inner part of the outer tub 1 and communicated with the inner tub 2, thereby preventing the water supplied by the air supply mechanism from leaking, and being beneficial to forming strong surging washing water flow to wash the clothes efficiently.
Preferably, the water flow channel 12 comprises a water outlet, and the inlet end of the water pump 4 is connected with the water outlet through a water inlet pipe 41;
preferably, the water flow channel 12 comprises a cover 13, the cover 13 is mounted on the inner surface of the outer tub 1 and forms a chamber isolated from the inside of the outer tub 1 with the inner surface of the outer tub 1;
preferably, the outer tub 1 is provided with a connection port 11, the water pump 4 is connected to the connection port 11 through a water inlet pipe 41, the bottom opening of the cover 13 is covered on the inner surface of the bottom of the outer tub 1 and covers the connection port to form a chamber isolated from the inside of the outer tub 1 and communicated with the water inlet pipe 41 of the water pump 4, the top end of the cover 13 is provided with an inlet 120 rotatably and hermetically matched with the bottom of the inner tub 2, and the inlet 120 surrounds each communication port 21 at the bottom of the inner tub 2.
In the above scheme, the cover 13 directly covers the connection port 11 and is hermetically mounted on the outer tub 1, and the water pump 4 pumps the washing water from the inner cavity of the cover 13 through the connection port, so that the structure is simple and the design is reasonable.
Preferably, the inner tub 2 is internally provided with a pulsator 3, the pulsator 3 is provided with a passage 31 for communicating a communication port 21 at the bottom of the inner tub 2 with the inner chamber of the inner tub 2, and the washing water enters the communication port 21 of the inner tub 2 through the passage 31 and then enters the water flow passage 12 in the outer tub 1, and then enters the inner tub 1 from the outside of the outer tub 1 through the water outlet passage 12 under the action of the water pump 4, thereby forming a circulating water path.
In the above scheme, the impeller 3 is rotatably arranged in the inner barrel 2 of the washing machine, so that in the washing process, vortex water flow can be formed in the horizontal direction, the water/air pump 4 forms surging washing water flow from bottom to top, clothes can be completely washed under the action of various water flows, and the surging washing water flow from bottom to top effectively unwinds the winding of the clothes caused by the vortex water flow formed by the impeller 3, the washing effect is improved, and the clothes are prevented from being worn.
Preferably, the inlet 120 of the water flow channel is rotatably and hermetically connected with the bottom of the inner barrel 2; the outlet end of the channel 31 on the impeller 3 is rotatably and hermetically connected with the bottom of the inner barrel 2;
in the scheme, the inlet of the water flow channel is rotatably and hermetically connected with the bottom of the inner barrel 2; the outlet end of the channel on the impeller 3 is rotatably and hermetically connected with the bottom of the inner barrel 2, so that the whole passage of the water/gas supply mechanism is sealed, water/gas is prevented from leaking, the power of the water/gas is ensured, and strong surging washing water flow is formed.
Preferably, the middle part of the bottom of the inner tub 2 is assembled on the dewatering shaft 5 of the washing machine, the inlet 120 of the water flow channel is arranged as a first annular structure 121 surrounding the dewatering shaft 5, the bottom of the inner tub 2 is convexly provided with a first convex ring structure 22, the first convex ring structure 22 is rotatably and hermetically matched with the inlet of the water flow channel, and a plurality of communication ports 21 are arranged on the bottom of the inner tub 2 and positioned inside the first convex ring structure 22;
in the above-mentioned aspect, the sealing structure 8 is press-fitted between the first ring structure 121 and the first male ring structure 22, and a dynamic seal is formed with the sealing structure 8 even when the inner tub 2 rotates.
Preferably, the channel includes a second annular structure 311 protruding downward from the bottom of the pulsator 3, a second convex ring structure 23 protruding upward from the bottom of the inner tub 2 and surrounding the communication ports 21, the second annular structure 311 on the pulsator 3 is in rotatable sealing engagement with the second convex ring structure 23, and a plurality of water outlet holes are formed in the pulsator 3 and located inside the second annular structure 311.
Likewise, the seal structure 8 is pressed between the second annular structure 311 and the second protruding ring structure 23, and a dynamic seal can be formed with the seal structure 8 even when the pulsator 3 rotates.
Furthermore, if the requirement on the effect of the surging washing water flow is not high, the two sealing structures 8 can be omitted, the sealing is simply carried out in a staggered matching mode of the convex ring structure and the annular structure, and in consideration of avoiding friction, the matching between the convex ring structure and the annular structure which are matched with each other is difficult to avoid a gap, so that the surging washing water flow effect of the structure is slightly weaker, but can still be realized.
Wherein, as to the structure of the water flow channel, which will be described herein, the water flow channel includes a cover 13, the bottom of the cover 13 is provided as an open end to be matched with the bottom of the inner tub 2, the top of the cover 13 is provided as a circular inlet 120, the circular inlet 120 is centered on the washing/dehydrating shaft 5 of the washing machine and is arranged around the washing/dehydrating shaft 5, or in other words, the cover 13 is sleeved outside the washing/dehydrating shaft 5 through the circular inlet 120 at the top, an annular channel is formed between the circular inlet 120 and the washing/dehydrating shaft 5, and the washing water flows out of the inner tub 2 through the annular channel to enter the water flow channel 12. Furthermore, the first protruding ring structure 22 at the bottom of the inner barrel 2 is in sealing and rotatable engagement with the circular inlet 120 at the top of the cover 13, and the washing water enters the inside of the water flow channel 12 through the communication ports 21 in the first protruding ring structure 22 at the bottom of the inner barrel 2, and then flows out of the inner barrel 2.
EXAMPLE III
The present embodiment provides a control method of the washing machine in the first or second embodiment;
wherein with respect to the washing machine of embodiment one: the outlet end of the water/air supply mechanism is communicated to the central position of the bottom of the clothes treatment barrel, and the control method is that the water/air supply mechanism supplies water/air to the clothes treatment barrel through the outlet end, and washing water flow is formed in the clothes treatment barrel from inside to outside and rushes from bottom to top.
Regarding the washing machine in the second embodiment: the water/air supply mechanism has an outlet end communicated with the peripheral portion of the laundry treatment tub, and supplies water/air to the laundry treatment tub through the outlet end to form a surging washing water flow from outside to inside and from bottom to top in the laundry treatment tub.
Further, the washing machine includes a washing process of controlling only the water/air supply mechanism to supply water/air into the interior of the laundry treating tub, during which the laundry is washed by forming a surge flow of washing water in a vertical direction.
Further, the washing machine also comprises a washing program for controlling the rotation of the impeller 3 and the water/air inlet of the water/air supply mechanism: if the washing machine controls the impeller 3 to rotate, the water/air mechanism is also controlled to feed water/air into the clothes treatment barrel, so that in the washing process, the impeller 3 forms vortex water flow, the water/air pump 4 forms surging washing water flow from bottom to top, clothes can be completely washed under the action of various water flows, and the surging washing water flow from bottom to top effectively unwinds the clothes caused by the vortex water flow formed by the impeller 3, the washing effect is improved, and the clothes are prevented from being worn.
Certainly, the washing machine can also control the impeller 3 and the water/air supply mechanism to alternately operate, firstly control the impeller 3 to rotate for a certain time, suspend the impeller 3, control the water/air supply mechanism to operate so as to disperse concentrated clothes, and then control the impeller 3 to operate to wash the clothes, so that the circulation is performed, the clothes winding is effectively avoided, and the clothes washing effect is improved.
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 (10)

1. A washing machine includes a laundry treating tub and a water/air supply mechanism having an outlet end communicating with a peripheral portion of the laundry treating tub, the water/air supply mechanism supplying water/air into the laundry treating tub through the outlet end to form a surging washing water flow in the laundry treating tub.
2. A washing machine as claimed in claim 1, wherein the laundry treating tub includes a peripheral tub wall and a tub bottom, and the outlet of the water/air supply mechanism is connected to a bottom position of the peripheral tub wall or to an outer peripheral portion of the tub bottom;
preferably, the outlet end of the water/air supply mechanism is connected to the bottom of the tub to supply water/air to the inside of the laundry treating tub to form a surging washing water flow from bottom to top.
3. A washing machine as claimed in claim 1 or 2 wherein the laundry treating tub comprises a rotatable inner tub and an outer tub for holding water, the outlet end of the water/air supply means being connected to the outer periphery of the inner tub and/or the outer tub.
4. A washing machine as claimed in claim 3, wherein an inlet communicating with the inner chamber of the tub is formed around the bottom of the tub, the water/air supply mechanism includes a water/air outlet passage communicating with the inlet to supply water/air to the inlet
Preferably, a plurality of inlets are arranged on the periphery of the bottom of the outer barrel along the circumferential direction, the water/air supply mechanism comprises a plurality of water/air outlet channels, and each water/air outlet channel is connected with one inlet.
5. A washing machine as claimed in claim 4 wherein the water/air supply means comprises a water/air pump having an outlet end connected to an inlet in the outer periphery of the tub via at least one water/air outlet passage, an outlet/air passage and an inlet/air passage, the inlet end of the water/air pump being connected to a water/air source via the inlet/air passage.
6. The washing machine as claimed in claim 5, wherein the inlet end of the water pump is connected to the middle position of the bottom of the inner tub/outer tub through a water inlet passage to guide the washing water in the middle of the inner tub/outer tub into the outer circumference of the outer tub;
the inlet end of the air pump is communicated with the outside air through an air inlet channel, and the air inlet of the air inlet channel is higher than the water level of the washing water in the washing machine.
7. A washing machine as claimed in claim 5 or 6, wherein the bottom of the inner tub is provided with a communication port communicating with an inner chamber thereof, the water inlet passage includes a water flow passage provided in the outer tub, the water flow passage communicates with the communication port, and the water pump draws washing water from the inside of the inner tub through the water flow passage and supplies the washing water to an outer peripheral portion of the outer tub through the water outlet passage, thereby forming a washing water stream surging from bottom to top in the washing machine.
8. The washing machine as claimed in claim 7, wherein the water flow path includes a chamber isolated from an inside of the outer tub, the chamber being communicated with a communication port of the inner tub, and the water pump drawing the washing water from the inside of the inner tub through the chamber;
preferably, the water flow channel comprises a water outlet, and the inlet end of the water pump is connected with the water outlet through a water inlet pipe.
9. A washing machine as claimed in claim 7 or 8 wherein the water flow passage comprises a cover mounted on the inner surface of the outer tub to form a chamber with the inner surface of the outer tub isolated from the inside of the outer tub;
preferably, the outer barrel is provided with a connecting port, the water pump is connected with the connecting port through a water inlet pipe, the bottom opening end cover of the cover body is arranged on the inner surface of the bottom of the outer barrel and covers the connecting port to form a cavity which is isolated from the inside of the outer barrel and communicated with the water inlet pipe, the top end of the cover body is provided with an inlet which is rotatably and hermetically matched with the bottom of the inner barrel, and the inlet surrounds each communicating port of the bottom of the inner barrel.
10. A control method of a washing machine, the washing machine including a laundry treating tub and a water/air supply mechanism having an outlet port communicating with the laundry treating tub, the outlet port communicating with a peripheral portion of the laundry treating tub, the control method comprising: the water/air supply mechanism supplies water/air into the laundry treating tub, and forms a surging washing water flow in the laundry treating tub.
CN201810775806.6A 2018-07-16 2018-07-16 Washing machine and control method thereof Active CN110725094B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810775806.6A CN110725094B (en) 2018-07-16 2018-07-16 Washing machine and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810775806.6A CN110725094B (en) 2018-07-16 2018-07-16 Washing machine and control method thereof

Publications (2)

Publication Number Publication Date
CN110725094A true CN110725094A (en) 2020-01-24
CN110725094B CN110725094B (en) 2023-05-02

Family

ID=69216866

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810775806.6A Active CN110725094B (en) 2018-07-16 2018-07-16 Washing machine and control method thereof

Country Status (1)

Country Link
CN (1) CN110725094B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113089249A (en) * 2020-01-08 2021-07-09 青岛海尔洗衣机有限公司 Washing machine and control method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5595072A (en) * 1994-03-08 1997-01-21 Samsung Electronics Co., Ltd. Water current forming apparatus of washing machine
CN101381935A (en) * 2007-11-26 2009-03-11 宁小静 Washing method of washing machine and washing machine thereof
CN105926238A (en) * 2016-06-28 2016-09-07 海信（山东）冰箱有限公司 Impeller washing machine
CN108018667A (en) * 2016-11-01 2018-05-11 青岛海尔洗衣机有限公司 A kind of washing machine for spraying floating washing and washing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5595072A (en) * 1994-03-08 1997-01-21 Samsung Electronics Co., Ltd. Water current forming apparatus of washing machine
CN101381935A (en) * 2007-11-26 2009-03-11 宁小静 Washing method of washing machine and washing machine thereof
CN105926238A (en) * 2016-06-28 2016-09-07 海信（山东）冰箱有限公司 Impeller washing machine
CN108018667A (en) * 2016-11-01 2018-05-11 青岛海尔洗衣机有限公司 A kind of washing machine for spraying floating washing and washing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113089249A (en) * 2020-01-08 2021-07-09 青岛海尔洗衣机有限公司 Washing machine and control method thereof

Also Published As

Publication number Publication date
CN110725094B (en) 2023-05-02

Similar Documents

Publication Publication Date Title
KR102197861B1 (en) Washing machine having at least two tubs
EP2602381B1 (en) Drum washing machine and washing method thereof
CN105821619B (en) Washing machine
CN110725093A (en) Washing machine and control method thereof
CN110725094A (en) Washing machine and control method thereof
US11214912B2 (en) Automatic detergent supply device and washing machine having the same
EP3132077B1 (en) Hand-held laundry treating apparatus
CN218492043U (en) Washing apparatus
WO2019237932A1 (en) Drum-type washing machine and spray device thereof
CN207793619U (en) A kind of textile cloth dip dyeing equipment that dip dyeing effect is good
CN113089249B (en) Washing machine and control method thereof
KR20190115760A (en) Washing Machine
CN111793927A (en) Pulsator washing machine and control method thereof
CN213740149U (en) Spraying device of roller washing machine and roller washing machine
CN110725098A (en) Washing machine and control method thereof
CN109898252A (en) A kind of textile cloth dip dyeing equipment that dip dyeing effect is good
US20180057986A1 (en) Washing machine
CN114318773A (en) Washing machine
WO2019237948A1 (en) Front-loading washing machine and spraying system and sealing window gasket thereof
CN110872758A (en) Washing machine
CN111575980B (en) Washing machine
CN212771559U (en) Drain valve assembly and washing machine
CN218404753U (en) Full-automatic washing machine with multifunctional power distribution inner barrel
CN216074413U (en) Clothes treating device
CN111206374B (en) Washing machine and control method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20230403

Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao

Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd.

Applicant after: Haier Smart Home Co., Ltd.

Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao

Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd.

GR01 Patent grant
GR01 Patent grant