CN110725094B - Washing machine and control method thereof - Google Patents

Washing machine and control method thereof Download PDF

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Publication number
CN110725094B
CN110725094B CN201810775806.6A CN201810775806A CN110725094B CN 110725094 B CN110725094 B CN 110725094B CN 201810775806 A CN201810775806 A CN 201810775806A CN 110725094 B CN110725094 B CN 110725094B
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Prior art keywords
water
air
barrel
washing
tub
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CN201810775806.6A
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CN110725094A (en
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杨丽梅
刘尊安
宋秀顺
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Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Priority to CN201810775806.6A priority Critical patent/CN110725094B/en
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    • 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

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  • 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 a control method thereof, wherein the washing machine comprises a clothes treatment barrel and a water/air supply mechanism, the water/air supply mechanism is provided with an outlet end communicated with the periphery of the clothes treatment barrel, the water/air supply mechanism supplies water/air 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 forms a vertically tumbling surging washing water flow in the clothes treatment barrel, improves the washing effect of clothes, and relieves the phenomenon of clothes entanglement 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 existing pulsator washing machine has a washing principle developed by simulating manual washing of clothes, and a main component for generating mechanical action is a pulsator which is positioned at the bottom of a clothes treatment barrel. The washing machine controls the washing machine motor to intermittently perform forward and reverse operations according to a set rotation-stop ratio through a computer program controller to form vortex water flow to wash clothes.
However, the water flow is faster at the outer side of the impeller and slower at the inner side, and the clothes continuously rotate and roll along with the water flow and continuously squeeze towards the center, so that the clothes are entangled. The existing washing method of the washing machine forms annular washing water flow in the clothes treatment barrel, the water flow is single in form, the washing effect is general, clothes are easy to wind by only driving the washing water flow formed by the washing water through the impeller, and the abrasion is serious.
The present invention has been made in view of this.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a washing machine which forms a surging washing water flow rolling in the vertical direction in a clothes treatment barrel, improves the washing effect of clothes, and relieves the phenomenon of clothes winding and serious clothes abrasion in the traditional washing mode.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:
a washing machine includes a laundry treating tub and a water/air supply mechanism having an outlet end communicating with an outer peripheral portion of the laundry treating tub, the water/air supply mechanism supplying water/air to the laundry treating tub through the outlet end, and forming a gushing wash water flow in the laundry treating tub.
In the above scheme, the washing machine comprises a water/air supply mechanism which supplies water/air to the inside of the clothes treatment barrel, thereby forming a surging washing water flow in the clothes treatment barrel, preferably, a surging washing water flow rolling in the vertical direction in the clothes treatment barrel, thereby improving the washing effect of clothes and relieving the phenomenon of clothes winding and serious clothes abrasion in the traditional washing mode. In this aspect, the water/air supply mechanism is communicated to the outer peripheral portion of the laundry treating tub, thereby forming a surging washing water flow from the outside to the inside.
Preferably, the laundry treating tub comprises an outer Zhou Tong wall and a tub bottom, and the outlet end of the water/air supply mechanism is connected to the bottom of the outer Zhou Tong wall or to the outer peripheral portion of the tub bottom;
in the scheme, the outlet end of the water/air supply mechanism is connected to the bottom of the peripheral cylinder wall, so that water/air is supplied to the upper part of the clothes treatment barrel, a 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, thereby forming a bottom-up gushing washing water flow.
The above-mentioned scheme is the preferred scheme, and the exit end of water supply/gas mechanism is connected in the week side of barrel head to provide water/gas to clothing treatment barrel inside, forms in the clothing treatment barrel from bottom to top, outside-in gushes out the washing rivers.
Preferably, the laundry treating tub includes a rotatable inner tub and an outer tub for holding water, and an outlet end of the water/air supply mechanism is connected to an outer peripheral 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, the water/gas outlet channel is communicated with the inlet, and water/gas is supplied to the inlet.
In the scheme, because the size of the outer barrel is larger than that of the inner barrel, the outlet end of the water supply/air mechanism is communicated with the outer periphery of the outer barrel, the structure is reasonable, and the formed surging washing water flow is good in effect.
Preferably, the circumference of the bottom of the outer barrel is provided with a plurality of inlets, 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 scheme, a plurality of inlets are uniformly distributed on the periphery of the bottom of the outer barrel, and the water/air supply mechanism is used for feeding water/air into the outer barrel through the inlets so as to form a surging washing water flow from outside to inside and from bottom to top. The clothes collected in the center of the inner barrel are dispersed to the periphery, the clothes are prevented from being entangled and worn, and the washing effect is improved.
Preferably, the water/air supply mechanism comprises a water/air pump, the outlet end of the water/air pump is communicated to the inlet of the outer periphery of the outer barrel through at least one water/air outlet channel, and the inlet end of the water/air pump is communicated with a water source/air source through a 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 periphery of the outer barrel;
in the scheme, the water pump guides the washing water in the bottom center of the inner barrel or the outer barrel to the periphery of the outer barrel, so that the strength of the surging washing water flow is enhanced, and the washing effect is improved.
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 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 barrel is provided with a communication port for communicating the inner chamber of the inner barrel, the water inlet channel comprises a water flow channel arranged in the outer barrel, the water flow channel is communicated with the communication port, the water pump extracts washing water from the inner barrel through the water flow channel and supplies the washing water to the outer periphery of the outer barrel through the water outlet channel, so that washing water flow from bottom to top is formed in the washing machine.
In the scheme, through the design of the communication port and the water inlet channel, the washing water in the inner barrel is led into the periphery of the outer barrel, so that strong power gushing washing water flow is formed, and the washing effect is improved.
Preferably, the water flow channel comprises a cavity isolated from the interior of the outer barrel, the cavity is communicated with a communication port on the inner barrel, and the water pump pumps washing water from the interior of the inner barrel through the cavity;
in the 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, strong surging washing water flow is formed, and efficient washing is performed on clothes.
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 passage includes a cover body installed on the inner surface of the outer tub and forming a chamber isolated from the inside of the outer tub between the inner surface of the outer tub and the cover body;
preferably, the outer barrel on be provided with the connector, the water pump passes through the inlet tube and connects the connector, the bottom opening end cover of lid establish at outer barrel bottom internal surface, and cover the connector, form and keep apart with outer barrel inside, and be linked together with the cavity of the inlet tube of water pump, the top of lid be equipped with interior barrel bottom rotatable seal complex import, the import encircle each intercommunication mouth of interior barrel bottom.
In the scheme, the cover body directly covers the sealing of the connecting port and is arranged on the outer barrel, and the water pump pumps the washing water from the cavity in the cover body through the connecting port.
Preferably, the inner barrel is internally provided with a pulsator, the pulsator is provided with a channel for communicating a communication port on the bottom of the inner barrel with an inner cavity of the inner barrel, washing water enters the communication port of the inner barrel through the channel, then enters a water flow channel in the outer barrel, and then enters the inner part of the outer barrel from the outside of the outer barrel through a water outlet channel under the action of a water pump, so that a circulating waterway is formed.
In the scheme, the impeller is also 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 thoroughly washed under the action of various water flows, and the winding of the clothes caused by the vortex water flow formed by the impeller is effectively released by the surging washing water flow from bottom to top, thereby improving the washing effect and preventing the clothes 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 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 bottom of the inner barrel, so that the whole channel of the water/air supply mechanism is sealed, water/air leakage is prevented, the power of the water/air is ensured, and strong power surge 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 to encircle a first annular structure of the dewatering shaft, a first convex ring structure is arranged at the bottom of the inner barrel in a protruding way, 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 on the bottom of the inner barrel and positioned in the first convex ring structure;
in the above scheme, the sealing structure is pressed between the first annular structure and the first convex ring structure, and even when the inner barrel rotates, dynamic sealing can be formed with the sealing structure.
Preferably, the channel comprises a second annular structure with the bottom of the impeller protruding downwards, a second convex ring structure surrounding each communication port is protruding upwards from the bottom of the inner barrel, the second annular structure on the impeller is in rotatable sealing fit with the second convex ring structure, and a plurality of water outlets are formed in the inner part of the second annular structure on the impeller.
Also, a sealing structure is pressed between the second annular structure and the second convex ring structure, and a dynamic seal can be formed with the sealing structure even when the wave wheel rotates.
Furthermore, if the requirement on the effect of the surging washing water flow is not high, the two sealing structures can be canceled, and the sealing is simply carried out in a staggered matching mode of the convex ring structure and the annular structure, and because the friction is avoided, the matching between the convex ring structure and the annular structure which are matched with each other is inevitably free from gaps, the effect of the surging washing water flow of the structure is slightly weaker, but still can be realized.
The structure of the water flow channel is described herein again, the water flow channel comprises a cover body, the bottom of the cover body is provided with an opening end and is matched with the bottom of the inner barrel, the top of the cover body is provided with a circular inlet, the circular inlet is arranged around the washing shaft/dehydrating shaft of the washing machine by taking the washing shaft/dehydrating shaft as the center, or in other words, the cover body is sleeved outside the washing shaft/dehydrating shaft through the circular inlet at the top, an annular channel is formed between the circular inlet and the washing shaft/dehydrating shaft, and washing water flows out of the inner barrel from the annular channel to enter the water flow channel. Further, the first convex ring structure at the bottom of the inner barrel is in sealing and rotatable fit with the circular inlet at the top of the cover body, and washing water enters the water flow channel from each communication port in the first convex ring structure at the bottom of the inner barrel and 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 communicating with the laundry treating tub, the outlet port communicating with an outer circumferential portion of the laundry treating tub, the control method comprising: the water/air supply mechanism supplies water/air into the clothes treating barrel to form a surging washing water flow in the clothes treating barrel.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:
the washing machine of the invention comprises a clothes treatment barrel and a water/air supply mechanism, wherein the water/air supply mechanism is provided with an outlet end communicated with the periphery of the clothes treatment barrel, the water/air supply mechanism supplies water/air 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 forms a vertically tumbling surging washing water flow in the clothes treatment barrel, improves the washing effect of clothes, and relieves the phenomenon of clothes entanglement and serious clothes abrasion in the traditional washing mode.
The following describes the 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 and 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. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.
In the drawings:
fig. 1 is a schematic view of a structure of a 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 connection port; 12. a channel part, a water flow channel; 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 convex ring structure; 23. a second convex ring structure; 3. a pulsator; 31. a channel; 311. a second annular structure; 4. a water/air pump; 41. a water/gas outlet pipe, a water inlet pipe; 42. a water/gas inlet pipe, a water/gas outlet passage; 5. a dehydrating shaft; 121. a first annular structure; 6. a speed reducer; 7. a motor; 8 sealing structure.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific 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 explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
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 to the laundry treating tub through the outlet end, and forming a gushing flow of washing water in the laundry treating tub.
In the above scheme, the washing machine comprises a water/air supply mechanism which supplies water/air to the inside of the clothes treatment barrel, thereby forming a surging washing water flow in the clothes treatment barrel, preferably, a surging washing water flow rolling in the vertical direction in the clothes treatment barrel, thereby improving the washing effect of clothes and relieving the phenomenon of clothes winding and serious clothes abrasion in the traditional washing mode.
Preferably, the outlet end of the water/air supply mechanism is communicated with the clothes treatment barrel at the bottom of the clothes treatment barrel, water/air is fed into the clothes treatment barrel, and washing water flow is formed in the clothes treatment barrel from bottom to top;
in the scheme, the water/air supply mechanism is communicated to the bottom of the clothes treatment barrel, and water/air is supplied upwards from the bottom of the clothes treatment barrel, so that a water flow surging 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, so that a gushing water flow effect of rolling from bottom to top in the vertical direction is formed, the clothes are driven to form a center-to-periphery rolling effect, and the clothes are unwound.
Preferably, the laundry treating tub comprises a rotatable inner tub 2 and an outer tub 1 for holding water, and the outlet end of the water/air supply mechanism is connected to the inner tub 2 and/or the outer tub 1.
Preferably, a communication port 21 is provided at the middle part of the bottom of the inner tub 2, the water/air supply mechanism includes a channel part 12 provided in the outer tub 1, the 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 tub 2 through the channel part 12.
In the above proposal, a channel part which is communicated with the inner space of the inner tub 2 is arranged in the outer tub 1 of the washing machine, and the water/air supply mechanism supplies water/air to the inner tub 2 through the channel part, thereby forming surging washing water flow in the inner tub 2 and carrying out anti-winding washing on clothes.
Preferably, the channel part 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/air supply mechanism supplies water/air to the communication port through the chamber;
in the scheme, the inner cavity of the channel part is isolated from the inner part of the outer barrel 1 and communicated with the inner barrel 2, so that the water/air supplied by the water/air supply mechanism is prevented from leaking, strong surging washing water flow is formed, and efficient washing is carried out on clothes.
Preferably, the channel portion 12 includes a cover 13, and 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 between 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 a cover 13 structure, and 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, the outlet end of the water/air pump 4 is communicated with the inlet through a water/air outlet pipeline 41, and the inlet end of the water/air pump 4 is communicated with a water source/air source through a water/air inlet pipeline 42;
preferably, the outer barrel 1 is provided with a connecting port 11, the water/air pump 4 is communicated with the connecting port 11 through a water/air outlet pipeline 41, an end cover at the bottom opening of the cover 13 is arranged on the inner surface of the bottom of the outer barrel 1 and covers the connecting port 11 to form a cavity which is isolated from the inner part of the outer barrel 1 and is communicated with the water/air outlet pipeline 41, the top end of the cover 13 is provided with an outlet 120 which is rotatably and hermetically matched with the barrel bottom of the inner barrel 2, and the outlet 120 surrounds each communicating port 21 at the barrel bottom of the inner barrel 2.
In the above scheme, the cover 13 directly covers the connection port 11 and is sealed on the outer barrel 1, and the water/air pump 4 supplies water/air to the inner chamber of the cover 13 through the connection port 11.
Preferably, the inner barrel 2 is internally provided with a pulsator 3, the pulsator 3 is provided with a channel 31 for communicating the communication port 21 on the barrel bottom of the inner barrel 2 with the inner chamber of the inner barrel 2, and water/air enters the channel 31 through the communication port 21 on the barrel bottom of the inner barrel 2 and then enters the inner barrel 2 from the channel 31.
In the above scheme, the pulsator 3 is rotatably arranged in the inner tub 2 of the washing machine, so that in the washing process, the scroll water flow can be formed in the horizontal direction, the water/air pump 4 forms the surging washing water flow from bottom to top, the clothes can be thoroughly washed under the action of various water flows, the winding of the clothes caused by the scroll water flow formed by the pulsator 3 is effectively released by the surging washing water flow from bottom to top, 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 a water inlet pipe 42 to guide the washing water in the outer tub 1 into the inner tub 2, and the inner tub 2 forms a surging washing water flow;
in the scheme, the water pump 4 pumps water from the inside of the outer barrel 1 of the washing machine and supplies water to the middle part of the inner barrel 2, so that the water flow of the surging washing water from inside to outside and from bottom to top is formed, and the power of the water flow of the surging washing water is stronger.
Preferably, a plurality of water outlets 15 (only one water outlet 15 is shown in the drawing) are disposed around the outer tub 1 at the peripheral portion of the outer tub 1, and the inlet end of the water pump 4 is respectively connected to the water outlets 15 through a plurality of water inlet pipes 42.
Preferably, the inlet end of the water pump 4 can be directly connected with a water source externally to supply water to the inner barrel 2, and the water can also form a surging washing water flow.
Preferably, the inlet end of the air pump 4 is communicated with the outside air through an air inlet pipeline 42, so that the air is introduced into the inner barrel 2 of the washing machine to form a surging washing water flow, and the air inlet of the air inlet pipeline is higher than the water level of the washing water in the washing machine.
In the above proposal, the inlet end of the air pump 4 is communicated with the outside air, thereby supplying air to the inside of the inner tub 2, and also forming the water flow of the spa washing.
Preferably, the air pump 4 may also be externally connected with a compressed air storage device, and the compressed air storage device may provide powerful high-pressure air for 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 proposal, 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 leakage is prevented, the power of the water/air is ensured, and strong power surge 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 outlet 120 of the channel part 12 is arranged to encircle the first annular structure 121 of 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 and positioned in the first convex ring structure 22;
in the above-described scheme, the sealing structure 8 is pressed between the first annular structure 121 and the first convex 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 surrounding each communication port is protruding upward from the bottom of the inner tub 2, the second annular structure 311 on the pulsator 3 is in rotatable sealing fit with the second convex ring structure 23, and a plurality of injection holes are disposed in the pulsator 3 and located in the second annular structure 311. Therefore, in the rotating process of the impeller, the jet hole moves circularly, and a surging washing water flow effect which moves circularly is formed in the washing chamber, so that the fountain-like effect is achieved.
Also, the sealing structure 8 is pressed between the second annular structure 311 and the second convex ring structure 23, and a dynamic seal is formed with the sealing 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, and sealing is simply performed in a staggered matching mode of the convex ring structure and the annular structure, and because the friction is avoided, the matching between the convex ring structure and the annular structure which are matched with each other is inevitably free from gaps, the effect of the surging washing water flow of the structure is slightly weaker, but still can be realized.
As to the structure of the passage portion 12, described again herein, the passage portion 12 includes a cover 13, the bottom of the cover 13 is provided as an open end, and is fitted to the bottom of the inner tub 2, the top of the cover 13 is provided as a circular outlet 120, the circular outlet 120 being provided around the washing/dehydrating shaft 5 of the washing machine centering around the washing/dehydrating shaft 5, or in other words, the cover 13 is fitted over the outside of the washing/dehydrating shaft 5 through the top circular outlet 120, an annular passage is formed between the circular outlet 120 and the washing/dehydrating shaft 5, and water/gas is introduced into the inner tub 2 through the annular passage. Further, the first convex ring structure 22 at the bottom of the inner barrel 2 is in sealing and rotatable fit with the circular outlet at the top of the cover 13, and water/air directly enters into each communication port 21 in the first convex 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 peripheral portion of the laundry treating tub to form a surging washing water flow from outside to inside, 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 port communicating with an outer circumferential portion of the laundry treating tub, the water/air supply mechanism supplying water/air to the laundry treating tub through the outlet port, and forming a surge washing water flow in the laundry treating tub.
In the above scheme, the washing machine comprises a water/air supply mechanism which supplies water/air to the inside of the clothes treatment barrel, thereby forming a surging washing water flow in the clothes treatment barrel, preferably, a surging washing water flow rolling in the vertical direction in the clothes treatment barrel, thereby improving the washing effect of clothes and relieving the phenomenon of clothes winding and serious clothes abrasion in the traditional washing mode. In this aspect, the water/air supply mechanism is communicated to the outer peripheral portion of the laundry treating tub, thereby forming a surging washing water flow from the outside to the inside.
Preferably, the laundry treating tub comprises an outer Zhou Tong wall and a tub bottom, and the outlet end of the water/air supply mechanism is connected to the bottom of the outer Zhou Tong wall or to the outer peripheral portion of the tub bottom;
in the scheme, the outlet end of the water/air supply mechanism is connected to the bottom of the peripheral cylinder wall, so that water/air is supplied to the upper part of the clothes treatment barrel, a 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, thereby forming a bottom-up gushing washing water flow.
The above-mentioned scheme is the preferred scheme, and the exit end of water supply/gas mechanism is connected in the week side of barrel head to provide water/gas to clothing treatment barrel inside, forms in the clothing treatment barrel from bottom to top, outside-in gushes out the washing rivers.
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/air supply mechanism is connected to an outer peripheral portion of the inner tub 2 and/or the outer tub 1.
Preferably, an inlet 15 is provided at the bottom of the outer tub 1 and is connected to the inner chamber of the outer tub 1, the water/air supply mechanism includes a water/air outlet 42, the water/air outlet 42 is connected to the inlet 15, and water/air is supplied to the inlet 15.
In the scheme, because the size of the outer barrel 1 is larger than that of the inner barrel 2, the outlet end of the water/air supply mechanism is communicated with the outer periphery of the outer barrel 1, the structure is reasonable, and the formed surging washing water flow effect is good.
Preferably, the outer tub 1 is provided with a plurality of inlets 15 (only one is shown in fig. 2) along a circumferential direction at a tub bottom circumference side, and the water/air supply mechanism includes a plurality of water/air outlet passages 42, and each water/air outlet passage 42 is connected to one inlet 15.
In the above proposal, a plurality of inlets 15 are uniformly distributed on the circumference side of the bottom of the outer barrel 1, and the water/air supply mechanism supplies water/air to the inside of the outer barrel 1 through the inlets 15 so as to form a surging washing water flow from outside to inside and from bottom to top. The clothes collected in the center of the inner tub 2 are dispersed to the outer circumference, so that the clothes are prevented from being entangled 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 with an inlet at the periphery of the outer barrel 1 through at least one water/air outlet channel 42, and an inlet end of the water/air pump 4 is communicated with a water source/air source through a 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 periphery of the outer barrel 1;
in the above scheme, the water pump 4 guides the washing water at the bottom center of the inner tub 2 or the outer tub 1 to the outer peripheral portion of the outer tub 1, thereby being beneficial to enhancing the strength of the gushing 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 washing water in the washing machine.
Preferably, the air pump 4 may also be externally connected with a compressed air storage device, and the compressed air storage device may provide powerful high-pressure air for the washing machine.
Preferably, the bottom of the inner tub 2 is provided with a communication port 21 for communicating with the inner chamber, 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 pumps the 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, so that a washing water flow from bottom to top is formed in the washing machine.
In the scheme, through the design of the communication port and the water inlet channel, the washing water in the inner barrel 2 is led into the outer periphery of the outer barrel 1, so that strong power gushing washing water flow is formed, and the washing effect is improved.
Preferably, the water flow channel 12 comprises a chamber isolated from the interior 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 interior of the inner tub through the chamber;
in the above proposal, the inner chamber of the water flow 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, being beneficial to forming strong surging washing water flow and washing the clothes with high efficiency.
Preferably, the water flow channel 12 includes a water outlet, and the inlet end of the water pump 4 is connected to the water outlet through a water inlet pipe 41;
preferably, the water flow channel 12 includes a cover 13, and the cover 13 is installed on the inner surface of the outer tub 1 and forms a chamber isolated from the inside of the outer tub 1 between the inner surface of the outer tub 1 and the cover 13;
preferably, the outer barrel 1 on be provided with connector 11, the water pump 4 passes through inlet tube 41 and connects connector 11, the bottom opening end cover of lid 13 is established at outer barrel 1 bottom internal surface, and covers the connector, form and keep apart with outer barrel 1 inside, and with the cavity that inlet tube 41 of water pump 4 is linked together, the top of lid 13 be equipped with interior barrel 2 barrel head rotatable seal fit's import 120, import 120 surround each intercommunication mouth 21 at interior barrel 2 barrel head.
In the above scheme, the cover 13 directly covers the connection port 11, and is sealed and mounted on the outer tub 1, and the water pump 4 pumps the washing water from the inner chamber of the cover 13 through the connection port.
Preferably, the inner tub 2 is internally provided with a pulsator 3, the pulsator 3 is provided with a channel 31 for communicating the communication port 21 on 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 channel 31, then enters the water flow channel 12 in the outer tub 1, and then enters the inner part of the outer tub 1 from the outer part of the outer tub 1 through the water outlet channel 12 under the action of the water pump 4, thereby forming a circulating waterway.
In the above scheme, the pulsator 3 is rotatably arranged in the inner tub 2 of the washing machine, so that in the washing process, the scroll water flow can be formed in the horizontal direction, the water/air pump 4 forms the surging washing water flow from bottom to top, the clothes can be thoroughly washed under the action of various water flows, the winding of the clothes caused by the scroll water flow formed by the pulsator 3 is effectively released by the surging washing water flow from bottom to top, 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 channel of the water/air supply mechanism is sealed, water/air leakage is prevented, the power of the water/air is ensured, and strong power surge 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 water flow channel inlet 120 is arranged to surround the first annular structure 121 of 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 in the first convex ring structure 22;
in the above-described scheme, the sealing structure 8 is pressed between the first annular structure 121 and the first convex ring structure 22, and a dynamic seal is formed with the sealing structure 8 even when the inner tub 2 rotates.
Preferably, the channel comprises a second annular structure 311 protruding downwards from the bottom of the pulsator 3, a second convex ring structure 23 surrounding each communication port 21 is protruding upwards from the bottom of the inner barrel 2, the second annular structure 311 on the pulsator 3 is in rotatable sealing fit with the second convex ring structure 23, and a plurality of water outlets are arranged in the second annular structure 311 on the pulsator 3.
Also, the sealing structure 8 is pressed between the second annular structure 311 and the second convex ring structure 23, and a dynamic seal is formed with the sealing 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, and sealing is simply performed in a staggered matching mode of the convex ring structure and the annular structure, and because the friction is avoided, the matching between the convex ring structure and the annular structure which are matched with each other is inevitably free from gaps, the effect of the surging washing water flow of the structure is slightly weaker, but still can be realized.
The structure of the water flow channel is described here again, the water flow channel comprises a cover 13, the bottom of the cover 13 is provided with an opening end and is matched with the bottom of the inner tub 2, the top of the cover 13 is provided with a circular inlet 120, the circular inlet 120 is centered on the washing shaft/dehydrating shaft 5 of the washing machine and is arranged around the washing shaft/dehydrating shaft 5, or in other words, the cover 13 is sleeved outside the washing shaft/dehydrating shaft 5 through the circular inlet 120 at the top, an annular channel is formed between the circular inlet 120 and the washing shaft/dehydrating shaft 5, and washing water flows out of the inner tub 2 into the water flow channel 12 through the annular channel. Further, the first convex ring structure 22 at the bottom of the inner tub 2 is in sealing and rotatable fit with the circular inlet 120 at the top of the cover 13, and the washing water enters the water flow channel 12 from each communication port 21 in the first convex ring structure 22 at the bottom of the inner tub 2, and then flows out of the inner tub 2.
Example III
The present embodiment provides the control method of the washing machine in the first or second embodiment;
wherein regarding the washing machine of the first embodiment: the outlet end of the water/air supply mechanism is communicated with the central position of the bottom of the clothes treatment barrel, so that the control method is that the water/air supply mechanism supplies water/air to the clothes treatment barrel through the outlet end, and wash water flow is formed in the clothes treatment barrel from inside to outside and gushes out from bottom to top.
Regarding the washing machine in the second embodiment: the water/air supply mechanism is provided with an outlet end communicated with the peripheral part of the clothes treatment barrel, and water/air is supplied to the clothes treatment barrel through the outlet end by the water/air supply mechanism, so that a surging washing water flow from outside to inside and from bottom to top is formed in the clothes treatment barrel.
Further, the washing machine includes a washing course for controlling only the water/air supply mechanism to supply water/air to the inside of the laundry treating tub, during which laundry is washed by forming a gush of washing water in a vertical direction.
Further, the washing machine further comprises a washing program for controlling the rotation of the pulsator 3 and the water/air supply of the water/air supply mechanism: if the washing machine controls the pulsator 3 to rotate and simultaneously controls the water/air mechanism to feed water/air into the clothes treatment barrel, in the washing process, the pulsator 3 forms vortex water flow, the water/air pump 4 forms surging washing water flow from bottom to top, clothes can be thoroughly washed under the action of various water flows, 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 pulsator 3, the washing effect is improved, and the clothes are prevented from being worn.
Of course, the washing machine can also control the pulsator 3 and the water/air supply mechanism to alternately operate, firstly control the pulsator 3 to rotate for a certain time, then pause the pulsator 3, control the water/air supply mechanism to operate so as to disperse concentrated clothes, and then control the pulsator 3 to operate to wash the clothes, so that the circulation is realized, the clothes winding is effectively avoided, and the clothes washing effect is improved.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present invention without departing from the scope of the invention.

Claims (4)

1. A washing machine, characterized by comprising a clothes treating tub and a water/air supply mechanism, wherein the water/air supply mechanism is provided with an outlet end communicated with the clothes treating tub, the water/air supply mechanism supplies water/air to the clothes treating tub through the outlet end, and a surging washing water flow is formed in the clothes treating tub;
the clothes treatment barrel comprises a rotatable inner barrel and an outer barrel for containing water, a communication port is arranged in the middle of the bottom of the inner barrel, the water/air supply mechanism comprises a channel part arranged in the outer barrel, the outlet end of the channel part is communicated with the communication port, and the water/air supply mechanism supplies water/air to the inner barrel through the channel part;
the channel part comprises a cavity isolated from the inside of the outer barrel, the cavity is communicated with a communication port on the inner barrel, and the water/air supply mechanism supplies water/air to the communication port through the cavity;
the channel part comprises a cover body, a cavity isolated from the interior of the outer barrel is formed between the cover body and the inner surface of the outer barrel, and the cavity is communicated with the communication port;
the middle part of the bottom of the inner barrel is assembled on a dewatering shaft of the washing machine, the outlet of the channel part is arranged to encircle a first annular structure of the dewatering shaft, a first convex ring structure is arranged at the bottom of the inner barrel in a protruding way, the first convex ring structure is in rotatable sealing fit with the outlet of the channel part, and a plurality of communication ports are arranged on the bottom of the inner barrel and positioned in the first convex ring structure;
a sealing structure is pressed between the first annular structure and the first convex ring structure; a sealing structure is pressed between the second annular structure and the second convex ring structure, and the sealing structure forms dynamic sealing;
the channel comprises a second annular structure with the bottom of the impeller protruding downwards, a second convex ring structure surrounding each communication port is protruding upwards at the bottom of the inner barrel, the second annular structure on the impeller is in rotatable sealing fit with the second convex ring structure, and a plurality of injection holes are arranged in the second annular structure on the impeller;
the water/air supply mechanism comprises a water/air pump, a water/air outlet channel and a water/air inlet channel;
the water pump is characterized in that a connecting port is formed in the outer barrel, the water pump is connected with the connecting port through a water inlet pipe, an end cover of the bottom opening of the cover body is arranged on the inner surface of the bottom of the outer barrel and covers the connecting port, a cavity which is isolated from the interior of the outer barrel and communicated with the water inlet pipe is formed, an inlet which is rotatably matched with the bottom of the inner barrel in a sealing mode is formed in the top end of the cover body, and the inlet surrounds all the communicating ports of the bottom of the inner barrel.
2. The washing machine as claimed in claim 1, wherein the tub bottom side is provided with an inlet communicating with the inner chamber of the tub, and the water/air supply means includes a water/air outlet passage communicating with the inlet to supply water/air to the inlet.
3. A washing machine as claimed in claim 2, wherein the tub bottom side is provided with a plurality of inlets in a circumferential direction, and the water/air supply means includes a plurality of water/air outlet passages, each of which is connected to one of the inlets.
4. A washing machine as claimed in claim 3, wherein the outlet end of the water/air pump is connected to the inlet of the outer peripheral portion of the tub through at least one water/air outlet passage, and the inlet end of the water/air pump is connected to the water/air source through the water/air inlet passage.
CN201810775806.6A 2018-07-16 2018-07-16 Washing machine and control method thereof Active CN110725094B (en)

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CN105926238B (en) * 2016-06-28 2018-12-14 海信（山东）冰箱有限公司 A kind of rotary drum washing machine
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