CN111485357A - Washing inner barrel, roller washing machine and drainage method of roller washing machine - Google Patents
Washing inner barrel, roller washing machine and drainage method of roller washing machine Download PDFInfo
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- CN111485357A CN111485357A CN201910075539.6A CN201910075539A CN111485357A CN 111485357 A CN111485357 A CN 111485357A CN 201910075539 A CN201910075539 A CN 201910075539A CN 111485357 A CN111485357 A CN 111485357A
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- drainage
- drum
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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
- D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry
- D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and rotating or oscillating about a horizontal axis
- D06F23/025—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and rotating or oscillating about a horizontal axis with a rotatable imperforate tub
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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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention relates to the technical field of drainage of drum washing machines, and discloses a washing inner drum, a drum washing machine and a drainage method of the drum washing machine. The washing inner tube comprises an inner tube body, a drainage channel extending along the circumferential direction of the inner tube body is arranged on the side wall of the inner tube body, one end of the drainage channel is opened to be used as the other end of a drainage inlet communicated with the inside of the inner tube body to be closed, a drainage outlet is formed on the channel wall of the drainage channel at the position far away from the drainage inlet, and other areas of the side wall of the tube except the drainage inlet are non-porous areas. When the rotation direction of the washing inner cylinder is opposite to the direction of the drainage inlet, water in the inner cylinder cannot be discharged from the drainage channel, so that the drum washing machine does not discharge water to meet the washing requirement.
Description
Technical Field
The invention relates to the technical field of drainage of a drum washing machine, in particular to a washing inner drum, a drum washing machine and a drainage method of the drum washing machine.
Background
With the improvement of the quality of life, washing machines, particularly drum washing machines, are becoming more and more popular.
In the current drum washing machine on the market, holes are formed on the side wall of the inner drum of the washing machine, washing water firstly enters the outer drum and enters the inner drum of the washing machine through the holes on the inner drum of the washing machine, then clothes are soaked, and stains and flock generated in the washing process are also discharged through the holes on the inner drum of the washing machine. Therefore, a lot of stains can be accumulated between the outer drum and the washing inner drum, and the stains can cause secondary pollution to the clothes.
In order to clean the laundry, the outer cylinder and the inner cylinder need to be cleaned regularly, and users are time-consuming and labor-consuming in cleaning, inconvenient to assemble and disassemble, and high in labor cost if professional cleaning personnel are required.
Disclosure of Invention
The invention aims to provide a washing inner barrel, which can avoid the accumulation of stains and flocks between an outer barrel and the washing inner barrel in practical application, improve the sanitation of washing and facilitate water drainage.
In order to achieve the above object, the present invention provides a washing inner tub including an inner tub body, a drain passage provided on a tub side wall of the inner tub body to extend in a circumferential direction of the inner tub body, wherein one end of the drain passage is open to serve as a drain inlet communicating with an interior of the inner tub body, the other end of the drain passage is closed, and a drain outlet is formed on a passage wall of the drain passage at a position distant from the drain inlet, and a region of the tub side wall other than the drain inlet is a non-porous region.
Through the technical scheme, as the other areas of the side wall of the drum are formed into the hole-free areas except the drainage inlet, after the washing inner drum and the outer drum are assembled, when the rotation direction of the washing inner drum is opposite to the direction of the drainage inlet of the drainage channel, water in the inner drum cannot be drained from the drainage channel, so that the drum washing machine does not drain water and meets the washing requirement, and when the rotation direction of the washing inner drum is the same as the direction of the drainage inlet of the drainage channel, the water is pulled into the drainage channel by the drainage inlet and drained from the drainage outlet, so as to meet the drainage requirement of draining washing water and dewatering of the drum washing machine, namely, the washing water in the inner drum can only enter the drainage channel through the drainage inlet and flows out to the drainage pipeline of the drum washing machine from the drainage outlet to be drained, so that the drainage enters the space between the washing inner drum and the outer drum and dirt and flock are accumulated between the washing inner drum and the washing inner drum, the sanitation of washing is improved, and the drainage is convenient.
Further, the drain outlet is formed on an outer circumferential wall of the drain passage, the drain outlet being provided near the other end of the drain passage.
Further, the washing drum comprises at least one of the following forms:
the first form: the drainage inlet and/or the drainage outlet are/is higher than the highest water injection level of the inner cylinder body;
the second form: the channel wall of the drainage channel in the inner cylinder body can be detachably mounted;
the third form: the drainage channel is arranged close to the cylinder end cover of the inner cylinder body;
form four: the inner side channel wall of the drainage channel, which is positioned in the inner cylinder body, is axially flush with the inner circumferential surface of the inner cylinder body.
Further, the drain passage is plural, and the drain inlets of the plural drain passages are circumferentially oriented in the same direction.
Furthermore, the drainage channel is arc-shaped, and a plurality of drainage channels are uniformly arranged along the same circumferential line at intervals in the circumferential direction.
In addition, in one embodiment, the washing inner cylinder includes a drain cover having one end opened and the other end closed, the drain cover is sealingly provided on an inner circumferential surface of the inner cylinder to form the drain passage therebetween, the drain outlet is formed at a position apart from the drain inlet in a portion of the cylinder side wall covered by the drain cover, and other portions of the cylinder side wall except for the portion covered by the drain cover are formed as an imperforate region.
Further, the cylinder side wall of the inner cylinder projects outward to form an arc-shaped groove extending in the circumferential direction, and the drain cover is disposed in the arc-shaped groove to form the drain passage between the arc-shaped groove and the drain cover, wherein the drain cover leaks out one end of the arc-shaped groove as the drain inlet, and the drain outlet is formed on a wall of the arc-shaped groove.
Alternatively, in another embodiment, the cylinder side wall of the inner cylinder extends outwards to form an arc-shaped groove extending in the circumferential direction, the arc-shaped groove is covered with an arc-shaped plate to form the drainage channel between the arc-shaped plate and the arc-shaped groove, wherein the arc-shaped plate leaks out of one end of the arc-shaped groove to serve as the drainage inlet, and the drainage outlet is formed on the groove wall of the arc-shaped groove.
In addition, the invention provides a drainage method of a drum washing machine, wherein the drum washing machine comprises a drainage channel communicated with the inside of a washing inner barrel of the drum washing machine; the other area of the side wall of the washing inner drum except the drainage inlet of the drainage channel is a non-porous area, and the drainage method of the drum washing machine comprises the following steps: when the rotation direction of the washing inner drum is the same as the direction of the drainage inlet of the drainage channel, the drum washing machine drains water; when the rotation direction of the washing inner drum is opposite to the direction of the drainage inlet of the drainage channel, the drum washing machine does not drain water.
Thus, as mentioned above, by the drainage method, when the washing water in the inner cylinder body needs to be drained, the washing water only can enter the drainage channel through the drainage inlet and flows out to the drainage pipeline of the drum washing machine from the drainage outlet of the drainage channel to be drained, so that the phenomenon that the drainage enters between the inner washing cylinder and the outer washing cylinder and stains and flocks are accumulated between the outer cylinder and the inner washing cylinder is avoided, the sanitation of washing is improved, and the drainage is convenient.
Finally, the present invention provides a drum washing machine, comprising an outer tub and the washing inner tub as described above, the washing inner tub being disposed in the outer tub to form a compartment between the washing inner tub and the outer tub, wherein a drain chamber isolated from the compartment is formed between the washing inner tub and the outer tub, the drain outlet being located in the drain chamber, the drain chamber having a water outlet, wherein the drum washing machine drains water when the washing inner tub rotates in the same direction as the drain inlet; when the rotation direction of the washing inner drum is opposite to the direction of the drainage inlet, the roller washing machine does not drain water;
alternatively, the first and second electrodes may be,
the drum washing machine can realize the drainage method of the drum washing machine.
Thus, as described above, the laundry hygiene of the drum washing machine is remarkably improved and the cost is reduced.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
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 principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a perspective view of a washing drum according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the washing drum of FIG. 1;
FIG. 3 is an enlarged schematic view of the circled portion of FIG. 2;
FIG. 4 is a schematic view of the washing drum of FIG. 2 without draining water;
fig. 5 is a schematic view of the drain of the washing drum of fig. 2.
Description of the reference numerals
1-inner cylinder, 2-drainage channel, 3-drainage inlet, 4-drainage outlet, 5-drainage cover, 6-rear cylinder end cover, 7-front cylinder end cover and 8-sealing strip.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Referring to an exemplary structure shown in fig. 1 and 2, the washing inner tub provided by the present invention includes an inner tub body 1, a drain passage 2 extending along a circumferential direction of the inner tub body 1 is provided on a tub side wall of the inner tub body 1, wherein one end of the drain passage 2 is open as a drain inlet 3 communicating with the inside of the inner tub body 1, that is, the drain passage 2 communicates with the inside of the inner tub body 1 through the drain inlet 3, the other end of the drain passage 2 is closed, and a drain outlet 4 is formed on a wall of the tub at a position of the drain passage 2 away from the drain inlet 3, although the drain outlet 4 may be formed at any suitable position of the wall of the tub side wall away from the drain inlet 3, and the other region of the tub side wall except for the drain inlet 3 is a non-porous region.
In this embodiment, since the other region of the sidewall of the drum is formed as the non-perforated region except for the drain inlet 4, when the rotation direction of the inner drum (for example, as shown by a clockwise arrow in fig. 4) is opposite to the orientation of the drain inlet 3 of the drain passage 2 after the inner drum and the outer drum are assembled, the water in the inner drum cannot be drained from the drain passage 2, so that the drum washing machine does not drain but retains the washing water in the inner drum to satisfy the washing requirement, and when the rotation direction of the inner drum (for example, as shown by a counterclockwise arrow in fig. 5) is the same as the orientation of the drain inlet 3 of the drain passage 2, the water is drawn into the drain passage 2 by the drain inlet 3 and drained from the drain outlet 4 to satisfy the draining requirement of the drum washing machine for draining the washing water and draining, that is, the washing water in the inner drum can only enter the drain passage 2 through the drain inlet 3 and flow out from the drain outlet 4 to the drain pipe of the drum washing machine when the washing water needs to be drained The way is to discharge, thus avoiding the drainage from entering between the inner and outer washing cylinders and accumulating the stains and the flock between the outer and inner washing cylinders, improving the sanitation of washing and facilitating the drainage.
In addition, after the washing inner barrel is assembled in the drum washing machine, if the rotation direction of the washing inner barrel is opposite to the direction of the drainage inlet all the time when the washing inner barrel is used for washing, the drainage of the inner barrel and the prevention of drainage can be realized through the relation between the drainage channel and the rotation direction of the inner barrel, so that the additional drainage switch valve can be prevented from being added in a drainage pipeline of the drum washing machine, and the cost of the drum washing machine is reduced.
In the washing drum of the present invention, the drain outlet 4 may be formed at any suitable position of the wall of the channel remote from the drain inlet 3, for example, in a form of construction in which the drum side wall of the inner drum is projected outwardly to form a circumferentially extending arc-shaped groove covered with an arc-shaped plate to form the drain channel 2 between the arc-shaped plate and the arc-shaped groove, in which case the drain outlet 4 may be formed on the bottom wall and/or the side wall of the arc-shaped groove as the wall of the arc-shaped groove projects outwardly relative to the drum side wall; alternatively, the first and second electrodes may be,
in another structure, the washing inner cylinder comprises a drain cover 5 with one open end and the other closed end, the drain cover 5 is arranged on the inner circumferential surface of the inner cylinder 1 in a sealing way to form a drain channel 2 between the two, a drain outlet 4 is formed at the position far away from a drain inlet 3 of the part covered by the drain cover 5 of the cylinder side wall, and the other part of the cylinder side wall except the part covered by the drain cover 5 is formed into a non-hole area. At this time, the portion of the cylinder side wall covered by the drain cover 5 will form the outer passage wall of the drain cover 5.
Therefore, in order to further enhance the convenience of drainage, it is preferable that the drainage outlet 4 is formed on the outer circumferential wall of the drainage channel 2, such as the groove bottom wall of the arc-shaped groove or the portion of the side wall of the drum covered by the drainage cover 5, as shown in fig. 2, so that, when the inner cylinder is rotated, the water caught into the drainage channel 2 through the drainage inlet 3 is more easily and rapidly discharged tangentially from the drainage outlet 4, as shown in fig. 5. In addition, in order to improve the reliability of the water containing of the inner cylinder when the water is not discharged, it is preferable that the drain outlet 4 is provided near the other end of the drain passage 2 as shown in fig. 2.
In addition, in order to improve the convenience of washing, the washing inner barrel comprises at least one of the following forms:
the first form: in order to sufficiently fill the laundry, it is preferable that the drain inlet 3 and/or the drain outlet 4 is higher than the highest filling level of the inner tub 1, so that at least one of the drain inlet 3 and the drain outlet 4 will be higher than the highest filling level regardless of the position of the inner tub during filling, thereby preventing water from being discharged through the drain passage 2;
the second form: in order to improve the sanitation of washing, preferably, the channel wall of the drainage channel 2 in the inner cylinder body 1 can be detachably mounted, so that when cleaning is needed, a user can conveniently dismount the channel wall of the drainage channel 2 in the inner cylinder body 1 to clean the interior of the drainage channel 2, and after cleaning is finished, only the channel wall of the drainage channel 2 in the inner cylinder body 1 needs to be mounted again, thereby improving the convenience of cleaning and saving the cleaning cost of professional maintenance personnel;
the third form: of course, the drainage channel 2 may be formed at any suitable position of the drum side wall of the inner drum body, for example, at the axial middle position of the inner drum body, or in order to reduce or alleviate or avoid the influence on the clothes in the inner drum body, as shown in fig. 1, the drainage channel 2 is disposed near the drum end cover of the inner drum body 1, such as the rear drum end cover 6 or the front drum end cover 7, and of course, the drainage channel 2 may be formed at each drum end cover;
form four: of course, the inner side channel wall of the drainage channel 2 located in the inner cylinder 1 may be protruded radially inward from the inner circumferential surface of the inner cylinder 1, or the inner side channel wall of the drainage channel 2 located in the inner cylinder 1 may be axially flush with the inner circumferential surface of the inner cylinder 1 to enlarge the axial flatness of the inner circumferential surface of the inner cylinder 1.
In addition, in the washing inner cylinder of the present invention, the number of the drainage channels 2 can be selected appropriately according to the drainage requirement, for example, it can be one or multiple, such as two, three or four or more, and in case of multiple drainage channels, the drainage inlets 3 of the multiple drainage channels 2 are oriented in the same circumferential direction, referring to the structure shown in fig. 2, so as to be able to drain water rapidly through the multiple drainage channels 2 in drainage.
Further, the plurality of drainage passages 2 may be arranged as appropriate as desired, and the drainage passages 2 may be arc-shaped, for example, the plurality of drainage passages 2 may be arranged at intervals in the axial direction and sequentially staggered in the circumferential direction. Alternatively, as shown in fig. 1 and 2, a plurality of the drainage passages 2 are circumferentially spaced and uniformly arranged along the same circumferential line, for example, as shown in fig. 1 and 2, three drainage passages 2 are circumferentially spaced and uniformly arranged along the same circumferential line.
Of course, in the washing inner cylinder of the present invention, the drainage channel 2 may be formed in various ways, for example, as shown in fig. 1 and 2, in a structure form in which the washing inner cylinder includes a drainage cover 5 having one end opened and the other end closed, the drainage cover 5 is sealingly provided on the inner circumferential surface of the inner cylinder 1 to form the drainage channel 2 therebetween, as shown in fig. 3, the drainage cover 5 is snap-fitted or screwed to the cylinder side wall by a sealing strip 8, and the drainage outlet 4 is formed at a position far from the drainage inlet 3 of the part of the cylinder side wall covered by the drainage cover 5, and the other part of the cylinder side wall is formed as a non-perforated region except for the part covered by the drainage cover 5. The drain cover 5 is an arc cover adapted to the arc drain passage 2.
Further, in order to improve the rapidity of drainage, it is preferable that the cylinder side wall of the inner cylinder 1 is protruded outward to form an arc-shaped groove extending in the circumferential direction, and the drain cover 5 is disposed in the arc-shaped groove to form the drainage passage 2 between the arc-shaped groove and the drain cover 5, wherein the drain cover 5 leaks one end of the arc-shaped groove as the drainage inlet 3, and the drainage outlet 4 is formed on a groove wall of the arc-shaped groove such as a groove bottom wall and/or a groove side wall, so that the drainage cover 5 and the arc-shaped groove will enlarge the cross section of the drainage passage 2 to facilitate drainage. Of course, it is preferable that the cover wall of the drain cover 5 facing the inside of the inner cylinder 1 is axially flush with the inner circumferential surface of the inner cylinder 1 to enlarge the axial flatness of the inner circumferential surface of the inner cylinder 1.
Alternatively, in another structure, the side wall of the inner cylinder 1 is extended outward to form an arc-shaped groove extending in the circumferential direction, and the arc-shaped groove is covered with an arc-shaped plate to form a drainage channel 2 between the arc-shaped plate and the arc-shaped groove, wherein the arc-shaped plate leaks out of one end of the arc-shaped groove to serve as a drainage inlet 3, and a drainage outlet 4 is formed on the wall of the arc-shaped groove. Further, the inner surface of the arc-shaped plate is axially flush with the inner peripheral surface of the inner cylinder 1 to enlarge the axial flatness of the inner peripheral surface of the inner cylinder 1.
In addition, the invention provides a drainage method of a drum washing machine, the drum washing machine comprises a drainage channel 2 communicated with the inside of a washing inner cylinder of the drum washing machine, and the other areas of the side wall of the washing inner cylinder except a drainage inlet 3 of the drainage channel 2 are non-hole areas;
the draining method of drum washing machine includes:
the rotation direction of the washing inner cylinder is the same as the direction of the drainage inlet 3;
when the rotation direction of the washing inner cylinder is opposite to the direction of the drainage inlet 3, the roller washing machine does not drain water.
Thus, by the drainage method, when the washing water in the inner barrel needs to be drained, the washing water only can enter the drainage channel through the drainage inlet and flows out of the drainage outlet of the drainage channel to the drainage pipeline of the drum washing machine to be drained, so that the phenomenon that the drainage enters between the inner washing barrel and the outer barrel to accumulate dirt and flocks between the outer barrel and the inner washing barrel is avoided, the sanitation of washing is improved, and the drainage is convenient. In addition, the relation of the drainage channel and the rotation direction of the inner cylinder body can realize drainage of the inner cylinder body and prevent drainage, so that an additional drainage switch valve can be prevented from being added in a drainage pipeline of the drum washing machine, and the cost of the drum washing machine is reduced.
Finally, the present invention provides a drum washing machine comprising an outer tub and the washing inner tub as described above, the washing inner tub being disposed in the outer tub to form a compartment between the washing inner tub and the outer tub, wherein a drain chamber isolated from the compartment is formed between the washing inner tub and the outer tub, the drain outlet 4 being located in the drain chamber, the drain chamber having a water outlet, wherein the drum washing machine drains water in the same direction of rotation of the washing inner tub as the drain inlet 3; when the rotation direction of the washing inner drum is opposite to the direction of the drainage inlet 3, the roller washing machine does not drain water; in addition, if the drum washing machine needs to rotate forward and backward to wash clothes when washing clothes, a drainage switch valve can be arranged on a drainage pipeline connected with a water outlet of the drainage cavity, and the drainage switch valve can be kept closed when washing clothes and opened when drainage is needed. If the drum washing machine is used for washing clothes, the rotating direction of the washing inner drum is always opposite to the direction of the drainage inlet 3, at the moment, a drainage switch valve is not needed to be arranged on a drainage pipeline connected with the water outlet of the drainage cavity so as to reduce the cost, and of course, the drainage switch valve can also be arranged if needed.
Alternatively, the first and second electrodes may be,
the drum washing machine can realize the drainage method of the drum washing machine.
Thus, as above, the laundry hygiene of the drum washing machine is remarkably improved and the cost is reduced.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. A washing inner barrel comprises an inner barrel body (1), and is characterized in that a drainage channel (2) extending along the circumferential direction of the inner barrel body (1) is arranged on the barrel side wall of the inner barrel body (1), wherein one end of the drainage channel (2) is open to serve as a drainage inlet (3) communicated with the interior of the inner barrel body (1), the other end of the drainage channel (2) is closed, a drainage outlet (4) is formed on a channel wall of the drainage channel (2) at a position far away from the drainage inlet (3), and the other area of the barrel side wall except the drainage inlet (3) is a non-porous area.
2. A washing drum according to claim 1, characterised in that the drain outlet (4) is formed in the outer circumferential wall of the drain channel (2), the drain outlet (4) being provided close to the other end of the drain channel (2).
3. A washing drum according to claim 1, characterised in that the washing drum comprises at least one of the following forms:
the first form: the drainage inlet (3) and/or the drainage outlet (4) are/is higher than the highest water injection level of the inner cylinder (1);
the second form: the channel wall of the drainage channel (2) positioned in the inner cylinder body (1) can be detachably mounted;
the third form: the drainage channel (2) is arranged close to the cylinder end cover of the inner cylinder body (1);
form four: the inner side channel wall of the drainage channel (2) positioned in the inner cylinder body (1) is axially flush with the inner circumferential surface of the inner cylinder body (1).
4. A washing drum according to claim 1, characterised in that the drain channel (2) is plural and the drain inlets (3) of plural drain channels (2) are oriented circumferentially in the same direction.
5. A washing drum according to claim 4, characterised in that the drainage channels (2) are arcuate, and a plurality of the drainage channels (2) are evenly circumferentially spaced along the same circumferential line.
6. A washing drum according to any one of claims 1 to 5, characterised in that it comprises a drain cover (5) open at one end and closed at the other end, the drain cover (5) being sealingly arranged on the inner circumferential surface of the inner drum (1) to form the drain passage (2) therebetween, the drain outlet (4) being formed in a part of the drum side wall covered by the drain cover (5) at a position remote from the drain inlet (3), and the other part of the drum side wall being formed as a non-perforated region except for the part covered by the drain cover (5).
7. A washing drum according to claim 6, characterised in that the drum side wall of the inner drum (1) projects outwards to form a circumferentially extending arc-shaped groove in which the drain cover (5) is arranged to form the drain channel (2) between the arc-shaped groove and the drain cover (5), wherein the drain cover (5) leaks out of one end of the arc-shaped groove as the drain inlet (3) and the drain outlet (4) is formed in the wall of the arc-shaped groove.
8. A washing drum according to any one of claims 1-7, characterised in that the drum side wall of the inner drum (1) projects outwards to form a circumferentially extending arc-shaped slot which is covered with an arc-shaped plate to form the drain channel (2) between the arc-shaped plate and the arc-shaped slot, wherein the arc-shaped plate leaks out of one end of the arc-shaped slot as the drain inlet (3) and the drain outlet (4) is formed in the wall of the arc-shaped slot.
9. The drainage method of the drum washing machine is characterized in that the drum washing machine comprises a drainage channel (2) communicated with the inside of a washing inner drum of the drum washing machine, and the other area of the drum side wall of the washing inner drum except a drainage inlet (3) of the drainage channel (2) is a non-porous area;
the drainage method of the drum washing machine comprises the following steps:
the rotation direction of the washing inner drum is the same as the direction of the drainage inlet (3), and the drainage is carried out by the drum washing machine;
when the rotation direction of the washing inner drum is opposite to the direction of the drainage inlet (3), the drum washing machine does not drain water.
10. A drum washing machine, characterized in that it comprises an outer tub and a washing inner tub according to any one of claims 1 to 8, which is provided in the outer tub to form a compartment between the washing inner tub and the outer tub, wherein a drain chamber isolated from the compartment is formed between the washing inner tub and the outer tub, the drain outlet (4) is located in the drain chamber, which has a water outlet, wherein the drum washing machine drains water in the same direction of rotation of the washing inner tub as the drain inlet (3); when the rotation direction of the washing inner drum is opposite to the direction of the drainage inlet (3), the roller washing machine does not drain water;
alternatively, the first and second electrodes may be,
the drum washing machine can implement the drainage method of the drum washing machine according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075539.6A CN111485357B (en) | 2019-01-25 | 2019-01-25 | Washing inner barrel, roller washing machine and drainage method of roller washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910075539.6A CN111485357B (en) | 2019-01-25 | 2019-01-25 | Washing inner barrel, roller washing machine and drainage method of roller washing machine |
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| CN111485357A true CN111485357A (en) | 2020-08-04 |
| CN111485357B CN111485357B (en) | 2022-03-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184642A1 (en) * | 2022-03-31 | 2023-10-05 | 无锡小天鹅电器有限公司 | Inner cylinder of clothes treatment device and clothes treatment device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205934A1 (en) * | 2017-05-09 | 2018-11-15 | 青岛海尔滚筒洗衣机有限公司 | Drum washing machine |
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- 2019-01-25 CN CN201910075539.6A patent/CN111485357B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018205934A1 (en) * | 2017-05-09 | 2018-11-15 | 青岛海尔滚筒洗衣机有限公司 | Drum washing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184642A1 (en) * | 2022-03-31 | 2023-10-05 | 无锡小天鹅电器有限公司 | Inner cylinder of clothes treatment device and clothes treatment device |
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