CN113564880A - Drum washing machine - Google Patents
Drum washing machine Download PDFInfo
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- CN113564880A CN113564880A CN202010358021.6A CN202010358021A CN113564880A CN 113564880 A CN113564880 A CN 113564880A CN 202010358021 A CN202010358021 A CN 202010358021A CN 113564880 A CN113564880 A CN 113564880A
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- permanent magnet
- door body
- fan
- washing machine
- air
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- 238000005406 washing Methods 0.000 title claims abstract description 68
- 230000037303 wrinkles Effects 0.000 claims abstract description 8
- 239000006260 foam Substances 0.000 claims description 29
- 239000002518 antifoaming agent Substances 0.000 claims description 27
- 230000005389 magnetism Effects 0.000 claims description 15
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 241000894006 Bacteria Species 0.000 abstract description 5
- 238000009395 breeding Methods 0.000 abstract description 2
- 230000001488 breeding effect Effects 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 101100495256 Caenorhabditis elegans mat-3 gene Proteins 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005574 cross-species transmission Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000085 cashmere Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/06—Arrangements for preventing or destroying scum
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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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention belongs to the technical field of washing machines, and aims to solve the problems that after clothes are washed by an existing drum washing machine, a window pad wrinkle part and the interior of an outer drum of the existing drum washing machine are very humid, so that bacteria are easy to breed, and peculiar smell is generated. The invention provides a drum washing machine, which comprises a machine shell with a clothes input opening, an outer cylinder arranged in the machine shell, a window pad for connecting the outer cylinder with the clothes input opening, wherein the window pad is provided with a fold part, the upper part of the fold part is provided with an air inlet, the upper part of the outer cylinder is provided with an air outlet, the drum washing machine also comprises a fan, an air inlet channel and an air outlet channel, the fan is arranged in the air inlet channel and/or the air outlet channel, the air inlet channel communicates the air inlet with the external atmosphere, and the air outlet channel communicates the air outlet with the external atmosphere. The drying device can ensure that the fold part of the window pad and the inner part of the outer barrel are dry, avoid breeding bacteria and generating peculiar smell, and improve the user experience.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly provides a drum washing machine.
Background
The drum washing machine is designed according to the principle that a hammer strikes clothes, and has the advantages of low abrasion, no winding, capability of washing cashmere and silk fabrics, large capacity and the like.
After drum type washing machine washed the clothing, all very moist in the fold portion of window pad and the urceolus, the bacterium of breeding in urceolus and the fold portion of window pad very easily made to humid environment, and can produce the peculiar smell, and only open the door body and also can't stop this kind of condition to take place, and also can form secondary pollution to the clothing of newly adding when the user reuses drum type washing machine, be unfavorable for user's use, influence user's normal experience.
Therefore, there is a need in the art for a new drum washing machine to solve the above problems.
Disclosure of Invention
In order to solve the problems in the prior art, namely to solve the problems that after the clothes are washed by the existing drum washing machine, the corrugated part of the window pad and the inner part of the outer cylinder of the existing drum washing machine are very humid, bacteria are easy to breed, peculiar smell is easy to generate, and secondary pollution is caused to the subsequently washed clothes.
In the above preferred technical solution of the drum washing machine, a first anti-foam overflow device is disposed in the air inlet channel, a second anti-foam overflow device is disposed in the air outlet channel, the first anti-foam overflow device is configured to allow external air to be sent into the wrinkle part when the fan rotates within a preset rotation speed range, and the second anti-foam overflow device is configured to allow air in the outer tub to be sent out to the outside when the fan rotates within the preset rotation speed range.
In above-mentioned drum type washing machine's preferred technical scheme, first anti-foam overflows the device and includes the first door body, first permanent magnet and second permanent magnet, the first door body sets up in the inlet channel with changeing, first permanent magnet sets up on the first door body, the second permanent magnet sets up the upstream side at the first door body along the air current direction of inlet channel, the magnetism of first permanent magnet and second permanent magnet is different, when the fan is when predetermineeing the rotational speed within range rotation, the air current that the fan produced can overcome the suction between first permanent magnet and the second permanent magnet so that the first door body rotates to the open position from the closed position, thereby make outside air get into in the fold portion, when the fan stopped, the first door body keeps at the closed position through the suction between first permanent magnet and the second permanent magnet, thereby prevent that the foam from overflowing.
In above-mentioned drum type washing machine's preferred technical scheme, first anti-foam overflows the device and includes the first door body, first permanent magnet and second permanent magnet, the first door body sets up in the inlet channel with rotating, first permanent magnet sets up on the first door body, the second permanent magnet sets up the downstream side at the first door body along the air current direction of inlet channel, the magnetism of first permanent magnet and second permanent magnet is the same, when the fan is when predetermineeing the rotational speed within range rotation, the air current that the fan produced can overcome the repulsion between first permanent magnet and the second permanent magnet so that the first door body rotates to the open position from the closed position, thereby make outside air get into in the fold portion, when the fan stops, the first door body keeps at the closed position through the repulsion between first permanent magnet and the second permanent magnet, thereby prevent that the foam from overflowing.
In the preferable technical scheme of the drum washing machine, the second anti-foam overflow device comprises a chamber structure, a second door body, a third permanent magnet and a fourth permanent magnet, the chamber structure is arranged in the exhaust passage, a notch is formed on one side of the chamber structure facing the second door body, the second door body is rotatably arranged in the exhaust passage, the extending end of the second door body can be matched with the notch to close/open the exhaust passage, the third permanent magnet is arranged on the second door body, the fourth permanent magnet is arranged on the upstream side of the second door body along the airflow direction of the exhaust passage, the third permanent magnet and the fourth permanent magnet have different magnetism, when the fan rotates in a preset suction force range, the airflow generated by the fan can overcome the air flow between the third permanent magnet and the fourth permanent magnet to enable the extending end of the second door body to be kept between the upper air end and the lower air end of the notch, so that the air in the outer drum is exhausted to the outside, when the drum washing machine executes a washing program and bubbles enter the exhaust passage, the second door body overcomes the suction force between the third permanent magnet and the fourth permanent magnet under the pushing of the bubbles and is kept at the downwind end of the notch to close the exhaust passage, so that the bubbles are prevented from overflowing.
In the preferable technical scheme of the drum washing machine, the second anti-foam overflow device comprises a chamber structure, a second door body, a third permanent magnet and a fourth permanent magnet, the chamber structure is arranged in the exhaust passage, a notch is formed on one side of the chamber structure facing the second door body, the second door body is rotatably arranged in the exhaust passage, the extending end of the second door body can be matched with the notch to close/open the exhaust passage, the third permanent magnet is arranged on the second door body, the fourth permanent magnet is arranged on the downstream side of the second door body along the airflow direction of the exhaust passage, the third permanent magnet and the fourth permanent magnet have the same magnetism, when the fan rotates within a preset rotating speed range, the airflow generated by the fan can overcome the repulsion force between the third permanent magnet and the fourth permanent magnet to enable the extending end of the second door body to be kept between the upper air end and the lower air end of the notch, so as to enable the air in the outer barrel to be exhausted to the outside, when the drum washing machine executes a washing program and bubbles enter the exhaust passage, the second door body overcomes the repulsive force between the third permanent magnet and the fourth permanent magnet under the pushing of the bubbles and is kept at the downwind end of the notch to close the exhaust passage, so that the bubbles are prevented from overflowing.
In the preferable technical scheme of the drum washing machine, the air inlet channel comprises a transverse air inlet pipe section and a vertical air inlet pipe section which are connected, the transverse air inlet pipe section is communicated with the outside atmosphere, the vertical air inlet pipe section is communicated with the corrugated part, and the first anti-foam overflow device is arranged in the transverse air inlet pipe section.
In the preferable technical scheme of the drum washing machine, the exhaust channel comprises a transverse exhaust pipe section and a vertical exhaust pipe section which are connected, the transverse exhaust pipe section is communicated with the outside atmosphere, the vertical exhaust pipe section is communicated with the outer barrel, and the second anti-foam overflow device is arranged in the vertical exhaust pipe section.
In the above preferred technical solution of the drum washing machine, the blower is disposed at the inlet of the air inlet passage.
In a preferred embodiment of the drum washing machine, the exhaust port is disposed near a rear end of the outer tub.
It can be understood by those skilled in the art that, in a preferred embodiment of the present invention, when the fan rotates within a preset rotation speed range, external air can enter the corrugated portion of the window pad through the air inlet channel and the air inlet on the corrugated portion of the window pad, air in the corrugated portion of the window pad can enter the outer cylinder, and air in the outer cylinder can be exhausted to the outside through the air outlet and the air exhaust channel on the outer cylinder.
Further, the first anti-foam overflows the device and can avoid the foam that washing or rinsing in-process produced to spill over to the external world from inlet channel, and the second anti-foam overflows the device and can avoid the foam that washing or rinsing in-process produced to spill over to the external world from exhaust passage to avoid the foam to cause the dip-dye to the environment of putting this drum type washing machine, do benefit to user's use, promote user experience.
Further, when the fan when predetermineeing the rotational speed within range internal rotation, thereby the suction between first permanent magnet and the second permanent magnet is overcome to the wind-force that the fan produced makes the first door body open, guarantee that the air can enter into the fold portion from the external world, when the fan stops, the first door body keeps at the closed position through the suction effect of first permanent magnet and second permanent magnet, avoid overflowing of foam at the laundry in-process, through such setting, make first anti-foam overflow device can not influence the normal flow of wind when the fan is predetermineeing the rotational speed within range internal rotation, can also avoid the foam to overflow when washing the clothing, further promote user's use and experience.
Further, when the fan when predetermineeing the rotational speed within range internal rotation, thereby the repulsion between first permanent magnet and the second permanent magnet is overcome to the wind-force that the fan produced makes the first door body open, guarantee that the air can enter into the fold portion from the external world, when the fan stops, the repulsion effect that the first door body passes through first permanent magnet and second permanent magnet keeps at the closed position, avoid overflowing of foam at the laundry in-process, through such setting, make first anti-foam overflow device can not influence the normal flow of wind when the fan is predetermineeing the rotational speed within range internal rotation, can also avoid the foam to overflow when washing the clothing, further promote user's use and experience.
Further, when the fan rotates within the preset rotating speed range, the wind power generated by the fan overcomes the suction force between the third permanent magnet and the fourth permanent magnet, so that the extending end of the second door body is kept between the upwind end and the downwind end of the notch, air can be discharged to the outside from the outer barrel, when the drum washing machine executes a washing program and foam enters the exhaust channel, the second door body overcomes the suction force between the third permanent magnet and the fourth permanent magnet under the pushing of the foam and keeps the downwind end of the notch to seal the exhaust channel, so that the foam is prevented from overflowing, and through the arrangement, the second foam overflow prevention device cannot influence the normal flow of the wind when the fan rotates within the preset rotating speed range, the foam overflow can be avoided when clothes are washed, and the use experience of a user is further improved.
Further, when the fan rotates within the preset rotating speed range, the wind power generated by the fan overcomes the repulsive force between the third permanent magnet and the fourth permanent magnet, so that the extending end of the second door body is kept between the upwind end and the downwind end of the notch, air can be discharged to the outside from the outer barrel, when the drum washing machine executes a washing program and foam enters the exhaust channel, the second door body overcomes the repulsive force between the third permanent magnet and the fourth permanent magnet under the pushing of the foam and keeps the downwind end of the notch to seal the exhaust channel, so that the foam is prevented from overflowing.
Further, the exhaust port is arranged close to the rear end of the outer barrel, so that air flowing out of the corrugated portion of the window pad under the action of the fan can air-dry the inner wall of the outer barrel as much as possible, the contact area of the inner wall of the outer barrel and flowing air is increased, the air drying effect is improved, no dead angle of the outer barrel is guaranteed to air-dry, and user experience is further improved.
Drawings
Preferred embodiments of the present invention will now be described with reference to the accompanying drawings, in conjunction with a front-loading drum washing machine, wherein:
FIG. 1 is a schematic structural view of a front-loading drum washing machine according to the present invention;
FIG. 2 is a schematic structural view of an embodiment of a first anti-foam-overflow device of the present invention in an air intake passage;
fig. 3 is a schematic structural view of an embodiment of a second anti-foam-overflow device of the present invention in a vent passage.
Detailed Description
First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. For example, although the present invention is described in conjunction with a front-loading drum washing machine, the technical solution of the present invention is obviously applicable to a top-loading drum washing machine, and such modifications and changes should not be construed as limitations to the present invention, and shall be within the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "middle", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention provides a drum washing machine, aiming at solving the problems that after clothes are washed, the corrugated part of a window pad and the inside of an outer drum of the existing drum washing machine are very humid and easy to breed bacteria and generate peculiar smell, and secondary pollution can be caused to the subsequently washed clothes.
Specifically, as shown in fig. 1, the drum washing machine of the present invention includes a cabinet 1 having a laundry input port, an outer tub 2 disposed in the cabinet 1, and a window gasket 3 connecting the outer tub 2 with the laundry input port, the inner tub 4 being rotatably disposed in the outer tub 2, the inner tub 4 being directly driven by a driving motor or indirectly driven by a belt, the window gasket 3 being formed with a wrinkle part, an air inlet being disposed at an upper portion of the wrinkle part, an air outlet being disposed at an upper portion of the outer tub 2, the drum washing machine further including a fan 5, an air inlet passage 6 and an air outlet passage 7, the fan 5 being disposed in the air inlet passage 6 and/or the air outlet passage 7, the air inlet passage 6 communicating the air inlet with the outside atmosphere, and the air outlet passage 7 communicating the air outlet with the outside atmosphere.
Preferably, a first anti-foam overflow device 8 is arranged in the air inlet channel 6, a second anti-foam overflow device 9 is arranged in the air outlet channel 7, the first anti-foam overflow device 8 is arranged to allow the outside air to be sent into the folded parts when the fan 5 rotates within a preset rotating speed range, and the second anti-foam overflow device 9 is arranged to allow the air in the outer barrel 2 to be sent out to the outside when the fan 5 rotates within the preset rotating speed range. Wherein, the fan 5 can be separately disposed in the air inlet channel 6, and can also be separately disposed in the exhaust channel 7, or the fan 5 includes the first fan 5 and the second fan 5, the first fan 5 is disposed in the air inlet channel 6, and the second fan 5 is disposed in the exhaust channel 7, and those skilled in the art can flexibly set the specific disposition position of the fan 5 in practical application, as long as the outside air can be entered into the corrugated portion from the air inlet channel 6 through the fan 5, and the air entered into the outer tub 2 by the corrugated portion can be discharged to the outside again from the exhaust channel 7, for example, the fan 5 can be disposed at the inlet of the air inlet channel 6. In addition, a filter may be provided in the intake passage 6 to filter air.
It should be noted that, in order to ensure that the water does not overflow during the washing process, the air inlet needs to be disposed at the upper portion of the corrugated portion, and the air outlet needs to be disposed at the upper portion of the outer tub 2, and those skilled in the art can flexibly select the specific disposition positions of the air inlet and the air outlet according to the water level setting condition during the washing process in practical applications, as long as it is ensured that the water does not flow into the casing 1 from the air inlet and the air outlet during the washing process, it is most preferable, of course, to dispose the air inlet at the topmost portion of the corrugated portion, and dispose the air outlet at the topmost portion of the outer tub 2. In addition, the specific structure of the air inlet passage 6 and the air outlet passage 7 can be flexibly set by those skilled in the art according to the structural arrangement of the drum washing machine. In a possible case, the air intake channel 6 comprises a horizontal air intake pipe section and a vertical air intake pipe section which are connected, the horizontal air intake pipe section is communicated with the outside atmosphere, the vertical air intake pipe section is communicated with the corrugated portion, and the first anti-foam overflow device 8 is arranged in the horizontal air intake pipe section. Alternatively, the first anti-foam overflow device 8 may be disposed in the vertical air inlet pipe section, and in addition, the air inlet passage 6 may also be directly in the structure of the vertical pipe section, that is, the corrugated portion is directly connected with the external atmosphere through the vertical pipe section, or the air inlet pipe is in the structure of three or more pipe sections. In another possible case, the vent channel 7 comprises a horizontal vent pipe section and a vertical vent pipe section which are connected, the horizontal vent pipe section is communicated with the outside atmosphere, the vertical vent pipe section is communicated with the outer cylinder 2, and the second anti-foam-overflow device 9 is arranged in the vertical vent pipe section. Alternatively, the second anti-foam-overflow device 9 may be disposed in the transverse exhaust pipe section, and in addition, the exhaust passage 7 may also be directly in the structure of a vertical pipe section, that is, the outer cylinder 2 is directly connected with the outside atmosphere through the vertical pipe section, or the exhaust pipeline may be in the structure of three or more pipe sections. The air outlet is preferably arranged close to the rear end of the outer barrel 2, so that air flowing out of the corrugated part of the window pad 3 at the front end of the outer barrel 2 can contact with the inner wall of the outer barrel 2 as much as possible, the air drying effect on the inner wall of the outer barrel 2 is ensured, and the inner wall of the outer barrel 2 is dried in the air without dead angles.
In addition, it should be noted that the gap between the corrugated portion and the inside of the outer cylinder 2 is small, so that the wind power can be controlled by setting the rotation speed of the fan 5, and it is ensured that the air entering the corrugated portion can enter the outer cylinder 2 through the gap, the preset rotation speed range of the fan 5 can be a range larger than a certain set value, or a range between two values, and a person skilled in the art can flexibly set the preset rotation speed range of the fan 5 according to the specific structures of the first anti-foam overflow device 8 and the second anti-foam overflow device 9, as long as it is ensured that the external air can enter the corrugated portion from the air inlet passage 6 when the rotation speed of the fan 5 is within the preset rotation speed range, and the air entering the outer cylinder 2 from the air outlet passage 7 can be discharged to the outside again. The specific structure of the first anti-foam-overflow device 8 and the second anti-foam-overflow device 9 can be flexibly set by those skilled in the art in practical application.
The preferred embodiments of the first and second means for preventing foam overflow 8 and 9, respectively, are explained below by means of a number of embodiments.
Example one
As shown in fig. 2, the first anti-foam overflow device 8 includes a first door 81, a first permanent magnet 82 and a second permanent magnet 83, the first door 81 is rotatably disposed in the air intake duct 6, the first permanent magnet 82 is disposed on the first door 81, the second permanent magnet 83 is disposed on the upstream side of the first door 81 along the airflow direction of the air intake duct 6, the first permanent magnet 82 and the second permanent magnet 83 have different magnetism, when the fan 5 rotates within a preset rotation speed range, the air flow generated by the fan 5 can overcome the suction force between the first permanent magnet 82 and the second permanent magnet 83 to rotate the first door 81 from the closed position to the open position, so that the outside air enters the crumpled portion, and when the fan 5 stops, the first door 81 is maintained at the closed position by the suction force between the first permanent magnet 82 and the second permanent magnet 83, so as to prevent foam overflow. The first door 81 may be connected to an inner wall of the air intake duct 6 or to a mounting structure of the air intake duct 6 through a rotating shaft, and a person skilled in the art may flexibly set a manner that the first door 81 is rotatably disposed in the air intake duct 6 in practical application. In the incoming flow direction of the air, the second permanent magnet 83 is located on the upstream side of the first door 81, so that when the fan 5 stops or the drum washing machine executes a washing program, the first door 81 is kept at the closed position through the attraction effect of the second permanent magnet 83 on the first permanent magnet 82, the air inlet channel 6 is closed, the separation is formed between the air inlet channel and the outside, the phenomenon that the outside dust enters and the foam overflow can be avoided, when the fan 5 rotates within the preset rotating speed range, the suction force of the second permanent magnet 83 on the first permanent magnet 82 can be overcome, so that the first door 81 rotates to enable the air inlet channel 6 to be conducted, and the outside air enters the wrinkle part of the window pad 3. It should be noted that the preset rotation speed range can be flexibly set according to the magnitude of the suction force between the first permanent magnet 82 and the second permanent magnet 83, and the rotation speed of the fan 5 can control the wind power, so as to control the rotation angle, i.e., the opening angle, of the first door 81 through the wind power, thereby controlling the air flow. Preferably, the preset rotation speed range is a range between two values (i.e., the preset rotation speed range has a lower limit value and an upper limit value), for example, the preset rotation speed range is 500 to 800 rpm, when the rotation speed of the fan 5 is lower than 500 rpm, the first door 81 cannot be opened by the wind force of the fan 5, when the rotation speed of the fan 5 reaches and exceeds 500 rpm, the first door 81 can be opened by the wind force of the fan 5 overcoming the suction force between the first permanent magnet 82 and the second permanent magnet 83, when the rotation speed of the fan 5 reaches 800 rpm, the first door 81 can be kept open, but may continuously collide with the inner wall of the air inlet channel 6 to generate abnormal noise, and by setting the preset rotation speed range to an upper limit, the first door 81 can be prevented from colliding with the inner wall of the air inlet channel 6 to avoid generating noise. Of course, the above-described preset rotation speed range is only exemplary, and the preset rotation speed range may be other ranges, and those skilled in the art may flexibly set the preset rotation speed range in practical applications according to specific application situations.
Taking the structure shown in fig. 2 as an example, the flow direction of the air under the action of the fan 5 is from left to right, when the rotation speed of the fan 5 is within the preset rotation speed range, the first door 81 deflects and opens rightward by overcoming the suction force between the first permanent magnet 82 and the second permanent magnet 83, so that the air enters the corrugated part of the window mat 3, and when the fan 5 stops, the second permanent magnet 83 sucks the first permanent magnet 82 to close the first door 81 leftward, so that the air inlet channel 6 is closed.
Example two
The first anti-foam overflow device 8 comprises a first door body 81, a first permanent magnet 82 and a second permanent magnet 83, the first door body 81 is rotatably arranged in the air inlet channel 6, the first permanent magnet 82 is arranged on the first door body 81, the second permanent magnet 83 is arranged on the downstream side of the first door body 81 along the airflow direction of the air inlet channel 6, the magnetism of the first permanent magnet 82 and the magnetism of the second permanent magnet 83 are the same, when the fan 5 rotates within a preset rotating speed range, the airflow generated by the fan 5 can overcome the repulsive force between the first permanent magnet 82 and the second permanent magnet 83 to enable the first door body 81 to rotate from the closed position to the open position, so that the outside air enters the corrugated part, and when the fan 5 stops, the first door body 81 is kept at the closed position through the repulsive force between the first permanent magnet 82 and the second permanent magnet 83, so as to prevent foam overflow. Different from the first embodiment, the first permanent magnet 82 and the second permanent magnet 83 of the present embodiment have the same magnetism, and generate a mutual repulsion force therebetween, in practical applications, from the incoming flow direction of air, the second permanent magnet 83 is located at the downstream side of the first door 81, so that when the fan 5 stops or the drum washing machine performs a washing procedure, the first door 81 is kept at a closed position by the repulsion action of the second permanent magnet 83 on the first permanent magnet 82, thereby closing the air inlet duct 6, forming a barrier with the outside, preventing the outside dust from entering and also avoiding the foam from overflowing, and when the fan 5 rotates within a preset rotation speed range, the repulsion force of the second permanent magnet 83 on the first permanent magnet 82 can be overcome to rotate the first door 81 to conduct the air inlet duct 6, thereby allowing the outside air to enter the wrinkle part of the window mat 3. It should be noted that the preset rotation speed range can be flexibly set according to the magnitude of the suction force between the first permanent magnet 82 and the second permanent magnet 83, and the rotation speed of the fan 5 can control the wind power, so as to control the rotation angle, i.e., the opening angle, of the first door 81 through the wind power, thereby controlling the air flow. Preferably, the preset rotation speed range is a range between two values (i.e., the preset rotation speed range has a lower limit value and an upper limit value), for example, the preset rotation speed range is 500 to 800 rpm, when the rotation speed of the fan 5 is lower than 500 rpm, the first door 81 cannot be opened by the wind force of the fan 5, when the rotation speed of the fan 5 reaches and exceeds 500 rpm, the first door 81 can be opened by overcoming the repulsive force between the first permanent magnet 82 and the second permanent magnet 83 by the wind force of the fan 5, when the rotation speed of the fan 5 reaches 800 rpm, the first door 81 can be kept open, but may continuously collide with the inner wall of the air inlet channel 6 to generate abnormal noise, and by setting the preset rotation speed range to an upper limit, the first door 81 can be prevented from colliding with the inner wall of the air inlet channel 6 to avoid generating noise. Of course, the preset rotation speed range described above in the present embodiment is also only exemplary, and the preset rotation speed range may be other ranges, and those skilled in the art may flexibly set the preset rotation speed range in practical applications according to specific application situations.
EXAMPLE III
As shown in fig. 3, the second anti-foam-overflow device 9 includes a chamber structure 91, a second door 92, a third permanent magnet 93, and a fourth permanent magnet 94, the chamber structure 91 is disposed in the exhaust passage 7, a notch 911 is formed at a side of the chamber structure 91 facing the second door 92, the second door 92 is rotatably disposed in the exhaust passage 7, and a protruding end of the second door 92 is capable of cooperating with the notch 911 to close/open the exhaust passage 7, the third permanent magnet 93 is disposed on the second door 92, the fourth permanent magnet 94 is disposed at an upstream side of the second door 92 in an airflow direction of the exhaust passage 7, the third permanent magnet 93 and the fourth permanent magnet 94 have different magnetism, and when the blower 5 rotates within a preset rotation speed range, airflow generated by the blower 5 is capable of overcoming a suction force between the third permanent magnet 93 and the fourth permanent magnet 94 to keep the protruding end of the second door 92 between an upwind end 9111 and a downwind end 9112 of the notch 911, so that the air in the outer tub 2 is discharged to the outside, when the drum washing machine performs a washing process and bubbles enter into the exhaust passage 7, the second door body 92 overcomes the suction force between the third permanent magnet 93 and the fourth permanent magnet 94 and is held at the downwind end 9112 of the gap 911 to close the exhaust passage 7 by the push of the bubbles, thereby preventing the bubbles from overflowing. The second door 92 may be connected to an inner wall of the exhaust duct 7 or to an installation structure of the exhaust duct 7 through a rotating shaft, and a person skilled in the art may flexibly set a manner that the second door 92 is rotatably disposed in the exhaust duct 7 in practical applications. In the air flowing direction, the fourth permanent magnet 94 is located at the upstream side of the second door 92, so that when the blower 5 is stopped, the second door 92 is kept at the closed position (i.e. the second door 92 is located at the position of the windward end 9111 of the notch 911) by the suction action of the fourth permanent magnet 94 on the third permanent magnet 93, so as to close the exhaust passage 7 and prevent the outside dust from entering, when the blower 5 rotates within the preset rotation speed range, the second door 92 can rotate against the suction action of the fourth permanent magnet 94 on the third permanent magnet 93, and the protruding end of the second door 92 is kept between the windward end 9111 and the leeward end 9112 of the notch 911 so as to conduct the exhaust passage 7, so that the air in the outer tub 2 can be exhausted to the outside through the exhaust passage 7, when the drum washing machine executes a washing program, the foam generates a great amount of force, so as to push the second door 92 against the position of the windward end 9112 of the notch 911, thereby ensuring that the second door body 92 closes the exhaust passage 7 and prevents the foam from overflowing. It should be noted that the preset rotation speed range can be flexibly set according to the magnitude of the suction force between the third permanent magnet 93 and the fourth permanent magnet 94, and the rotation speed of the fan 5 can control the wind power, so as to control the rotation angle, i.e., the opening angle, of the second door 92 by the wind power, thereby controlling the air flow rate. Preferably, the preset rotation speed range is a range between two values (that is, the preset rotation speed range has a lower limit value and an upper limit value), and still taking the preset rotation speed range as 500 to 800 rpm as an example, when the rotation speed of the fan 5 is lower than 500 rpm, the second door 92 cannot be opened by the wind force of the fan 5, when the fan 5 reaches and exceeds 500 rpm, the second door 92 can be opened and kept between the upwind end 9111 and the downwind end 9112 of the notch 911 by the wind force of the fan 5 overcoming the suction force between the third permanent magnet 93 and the fourth permanent magnet 94, and when the rotation speed of the fan 5 exceeds 800 rpm, the second door 92 can be pressed against the downwind end 9112 of the notch 911 by the wind force, so that the range can be set to ensure that the second door 92 conducts the exhaust passage 7. Of course, the above-described preset rotation speed range is only exemplary, and the preset rotation speed range may be other ranges, and those skilled in the art may flexibly set the preset rotation speed range in practical applications according to specific application situations.
Taking the structure shown in fig. 3 as an example, the air flow direction is from bottom to top under the action of the blower 5, when the rotation speed of the blower 5 is within the preset rotation speed range, the second door 92 deflects upwards to open and is held between the windward end 9111 and the leeward end 9112 of the notch 911 against the suction force between the third permanent magnet 93 and the fourth permanent magnet 94, so that the air is discharged from the outer tub 2 to the outside, when the blower 5 stops, the third permanent magnet 93 attracts the fourth permanent magnet 94 to close the second door 92 downwards, so that the exhaust passage 7 is closed, and when the foam enters the exhaust passage 7, the foam pushes up the second door 92 to push the protruding end of the second door 92 to the leeward end 9112 of the notch 911, so that the second door 92 closes the exhaust passage 7, and the foam is prevented from overflowing.
Example four
The second anti-foam overflow device 9 includes a chamber structure 91, a second door 92, a third permanent magnet 93 and a fourth permanent magnet 94, the chamber structure 91 is disposed in the exhaust passage 7, a notch 911 is formed at a side of the chamber structure 91 facing the second door 92, the second door 92 is rotatably disposed in the exhaust passage 7, a protruding end of the second door 92 can cooperate with the notch 911 to close/open the exhaust passage 7, the third permanent magnet 93 is disposed on the second door 92, the fourth permanent magnet 94 is disposed at a downstream side of the second door 92 along an airflow direction of the exhaust passage 7, the third permanent magnet 93 and the fourth permanent magnet 94 have the same magnetism, when the blower 5 rotates within a preset rotation speed range, airflow generated by the blower 5 can overcome a repulsive force between the third permanent magnet 93 and the fourth permanent magnet 94 to keep the protruding end of the second door 92 between an upwind end 9111 and a downwind end 9112 of the notch 911, so that the air in the outer tub 2 is discharged to the outside, when the drum washing machine performs a washing process and bubbles enter into the air discharge passage 7, the second door body 92 overcomes the repulsive force between the third permanent magnet 93 and the fourth permanent magnet 94 and is held at the downwind end 9112 of the gap 911 to close the air discharge passage 7 by the push of the bubbles, thereby preventing the bubbles from overflowing. Unlike the third embodiment, the third permanent magnet 93 and the fourth permanent magnet 94 of the present embodiment have the same magnetism, and generate a mutual repulsion force therebetween, in the direction of the air flow, the fourth permanent magnet 94 is located at the downstream side of the second door 92, so that when the blower 5 stops, the fourth permanent magnet 94 repels the third permanent magnet 93 to keep the second door 92 at the closed position, thereby closing the exhaust passage 7 and blocking the exhaust passage from the outside, so as to prevent the dust from entering the outside, when the blower 5 rotates within the preset rotation speed range, the repulsion force of the fourth permanent magnet 94 on the third permanent magnet 93 can be overcome to rotate the second door 92, and the protruding end of the second door 92 is kept between the windward end 9111 and the leeward end 9112 of the notch 911 to conduct the exhaust passage 7, so that the air in the outer tub 2 can be exhausted to the outside through the exhaust passage 7, when the drum washing machine executes a washing program, the force generated by the bubbles is very large, and the second door body 92 is pushed against the downwind end 9112 of the notch 911, so that the second door body 92 is ensured to close the exhaust passage 7, and the bubbles are prevented from overflowing. It should be noted that the preset rotation speed range can be flexibly set according to the magnitude of the repulsive force between the third permanent magnet 93 and the fourth permanent magnet 94, and the rotation speed of the fan 5 can control the wind power, so as to control the rotation angle, i.e., the opening angle, of the second door 92 by the wind power, thereby controlling the air flow rate. Preferably, the preset rotation speed range is a range between two values (that is, the preset rotation speed range has a lower limit value and an upper limit value), and still taking the preset rotation speed range as 500 to 800 rpm as an example, when the rotation speed of the fan 5 is lower than 500 rpm, the second door 92 cannot be opened by the wind force of the fan 5, when the fan 5 reaches and exceeds 500 rpm, the second door 92 can be opened and kept between the upwind end 9111 and the downwind end 9112 of the notch 911 by the wind force of the fan 5 overcoming the repulsive force between the third permanent magnet 93 and the fourth permanent magnet 94, and when the rotation speed of the fan 5 exceeds 800 rpm, the second door 92 can be pressed against the downwind end 9112 of the notch 911 by the wind force, so that the range can be set to ensure that the second door 92 conducts the exhaust passage 7. Of course, the above-described preset rotation speed range is only exemplary, and the preset rotation speed range may be other ranges, and those skilled in the art may flexibly set the preset rotation speed range in practical applications according to specific application situations.
It should be noted that the specific setting of the preset rotation speed range needs to be performed in combination with the specific structures of the first anti-foam-overflow device 8 and the second anti-foam-overflow device 9, for example, when the first anti-foam-overflow device 8 adopts the structure of the first embodiment and the second anti-foam-overflow device 9 adopts the structure of the third embodiment, the first permanent magnet 82 and the third permanent magnet 93 can be selected from the same permanent magnet, the second permanent magnet 83 and the fourth permanent magnet 94 can be selected from the same permanent magnet, and the position arrangement makes the suction force of the second permanent magnet 83 to the first permanent magnet 82 and the suction force of the fourth permanent magnet 94 to the third permanent magnet 93 the same, so as to conveniently set the proper preset rotation speed range and reduce the number of tests, so that when the rotation speed of the fan 5 is within the preset rotation speed range, the first door 81 opens and the second door 92 opens and keeps the protruding end of the second door 92 between the upwind end 9111 and the downwind end 9112 of the notch 911, thereby ensuring that the intake passage 6 and the exhaust passage 7 are all in communication. Of course, the specific setting of the preset rotation speed range can also be comprehensively set by changing the distances between the first permanent magnet 82 and the second permanent magnet 83, and between the third permanent magnet 93 and the fourth permanent magnet 94, as long as it is ensured that the air inlet passage 6 and the air outlet passage 7 can be simultaneously conducted by setting a reasonable preset rotation speed range, so that the external air can air-dry the wrinkle part of the window mat 3 and the inner wall of the outer cylinder 2.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A drum washing machine including a cabinet having a laundry input port, an outer tub provided in the cabinet, and a window pad connecting the outer tub and the laundry input port, the window pad being formed with a wrinkle part, characterized in that,
the upper portion of fold portion is provided with the air inlet, the upper portion of urceolus is provided with the gas vent, drum type washing machine still includes fan, inlet channel and exhaust passage, the fan sets up in inlet channel and/or the exhaust passage, inlet channel will the air inlet communicates with external atmosphere, exhaust passage will the gas vent communicates with external atmosphere.
2. A drum washing machine according to claim 1, characterized in that a first anti-foam-overflow device is provided in the air inlet passage, and a second anti-foam-overflow device is provided in the air outlet passage, the first anti-foam-overflow device being configured to allow the air in the outer tub to be sent into the corrugated portion when the fan rotates within a preset rotation speed range, and the second anti-foam-overflow device being configured to allow the air in the outer tub to be sent out to the outside when the fan rotates within the preset rotation speed range.
3. A drum washing machine according to claim 2, characterized in that the first anti-foam-overflow device includes a first door body rotatably provided in the intake passage, a first permanent magnet provided on the first door body, and a second permanent magnet provided on an upstream side of the first door body in an airflow direction of the intake passage, the first and second permanent magnets being different in magnetism,
when the fan rotates in the preset rotating speed range, the air flow generated by the fan can overcome the suction force between the first permanent magnet and the second permanent magnet to enable the first door body to rotate from the closed position to the open position, so that the outside air enters the corrugated part,
when the fan stops, the first door body is kept at the closed position through the suction force between the first permanent magnet and the second permanent magnet, and therefore foam is prevented from overflowing.
4. A drum washing machine according to claim 2, characterized in that the first anti-foam-overflow device comprises a first door body rotatably disposed in the intake passage, a first permanent magnet disposed on the first door body, and a second permanent magnet disposed on a downstream side of the first door body in an airflow direction of the intake passage, the first and second permanent magnets having the same magnetism,
when the fan rotates in the preset rotating speed range, the airflow generated by the fan can overcome the repulsive force between the first permanent magnet and the second permanent magnet to enable the first door body to rotate from the closed position to the open position, so that the outside air enters the fold part,
when the fan stops, the first door body is kept at the closed position through the repulsive force between the first permanent magnet and the second permanent magnet, so that the foam is prevented from overflowing.
5. A drum washing machine according to claim 2, characterized in that the second anti-foam overflow device comprises a chamber structure, a second door body, a third permanent magnet and a fourth permanent magnet, the chamber structure is arranged in the exhaust passage, a notch is formed on one side of the chamber structure facing the second door body, the second door body is rotatably arranged in the exhaust passage, a protruding end of the second door body can be matched with the notch to close/open the exhaust passage, the third permanent magnet is arranged on the second door body, the fourth permanent magnet is arranged on the upstream side of the second door body along the airflow direction of the exhaust passage, and the third permanent magnet and the fourth permanent magnet have different magnetism,
when the fan rotates within the preset rotating speed range, the air flow generated by the fan can overcome the suction force between the third permanent magnet and the fourth permanent magnet to enable the extending end of the second door body to be kept between the upwind end and the downwind end of the notch, so that the air in the outer barrel is discharged to the outside,
when the drum washing machine executes a washing program and bubbles enter the exhaust passage, the second door body overcomes the suction force between the third permanent magnet and the fourth permanent magnet under the pushing of the bubbles and is kept at the downwind end of the notch to close the exhaust passage, so that the bubbles are prevented from overflowing.
6. A drum washing machine according to claim 2, characterized in that the second anti-foam-overflow device comprises a chamber structure, a second door body, a third permanent magnet and a fourth permanent magnet, the chamber structure is arranged in the exhaust passage and a notch is formed on one side of the chamber structure facing the second door body, the second door body is rotatably arranged in the exhaust passage and a protruding end of the second door body can be matched with the notch to close/open the exhaust passage, the third permanent magnet is arranged on the second door body, the fourth permanent magnet is arranged on the downstream side of the second door body along the airflow direction of the exhaust passage, the third permanent magnet and the fourth permanent magnet have the same magnetism,
when the fan rotates in the preset rotating speed range, the airflow generated by the fan can overcome the repulsive force between the third permanent magnet and the fourth permanent magnet to enable the extending end of the second door body to be kept between the upwind end and the downwind end of the notch, so that the air in the outer barrel is discharged to the outside,
when the drum washing machine executes a washing program and bubbles enter the exhaust passage, the second door body overcomes the repulsive force between the third permanent magnet and the fourth permanent magnet under the pushing of the bubbles and keeps at the downwind end of the notch to close the exhaust passage, so that the bubbles are prevented from overflowing.
7. A drum washing machine according to claim 2, characterized in that the air inlet passage comprises a horizontal air inlet pipe section and a vertical air inlet pipe section which are connected, the horizontal air inlet pipe section is communicated with the outside atmosphere, the vertical air inlet pipe section is communicated with the corrugated part, and the first anti-foam overflow device is arranged in the horizontal air inlet pipe section.
8. A drum washing machine according to claim 2, characterized in that the exhaust passage comprises a horizontal exhaust pipe section and a vertical exhaust pipe section which are connected, the horizontal exhaust pipe section is communicated with the outside atmosphere, the vertical exhaust pipe section is communicated with the outer drum, and the second anti-foam-overflow device is arranged in the vertical exhaust pipe section.
9. A drum washing machine according to claim 1, characterized in that the fan is provided at the inlet of the air intake passage.
10. A drum washing machine according to any one of claims 1 to 9, characterized in that the exhaust port is provided near the rear end of the tub.
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| CN202010358021.6A CN113564880B (en) | 2020-04-29 | 2020-04-29 | Drum washing machine |
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| CN113564880B CN113564880B (en) | 2024-06-25 |
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Cited By (2)
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| CN114855431A (en) * | 2022-05-13 | 2022-08-05 | Tcl家用电器（合肥）有限公司 | Washing machine |
| EP4310240A1 (en) * | 2022-07-21 | 2024-01-24 | E.G.O. Elektro-Gerätebau GmbH | Washing machine and method for operating a washing machine |
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Effective date of registration: 20240416 Address after: 266101 south of Tuanjie road and west of zonger Road, Huangdao District, Qingdao City, Shandong Province Applicant after: QINGDAO HAIER WASHING ELECTRIC APPLIANCES Co.,Ltd. Country or region after: China Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Country or region before: China Applicant before: Haier Smart Home Co., Ltd. |
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