CN110359230B

CN110359230B - Washing barrel with water flowing channel, washing machine and water draining method of washing machine

Info

Publication number: CN110359230B
Application number: CN201810608579.8A
Authority: CN
Inventors: 刘军
Original assignee: Ningguo Julong Reducer Co ltd
Current assignee: Ningguo Julong Reducer Co ltd
Priority date: 2018-03-26
Filing date: 2018-06-13
Publication date: 2023-05-30
Anticipated expiration: 2038-06-13
Also published as: CN208829966U; CN208829969U; CN110359229B; CN110359230A; CN209798341U; CN210886659U; CN208604369U; CN209941321U; CN208472396U; CN110359231B; CN110359229A; CN208604368U; CN110359210A; CN208829961U; CN110359214A; CN110359245A; CN209798340U; CN208829965U; CN209798369U; CN110359212B

Abstract

The invention provides a washing barrel with a water flow channel, a washing machine and a water drainage method thereof. The washing barrel with the water flow channel solves the problems that in the prior art, when a drum washing machine washes, circulating washing water between an inner barrel and an outer barrel causes secondary pollution to washed clothes, and meanwhile, the sealing performance of the water flow channel is not tight, and the washing water leaks due to factors such as shaking during water discharge.

Description

Washing barrel with water flowing channel, washing machine and water draining method of washing machine

Technical Field

The invention relates to the technical field of drum washing machines, in particular to a washing drum with a water flowing channel, a washing machine and a water draining method thereof.

Background

The existing drum washing machine is of a structure that an inner barrel is provided with holes, the inner barrel is communicated with an outer barrel, and the problem is that water between the outer barrel and the inner barrel does not participate in washing and becomes wasted water firstly; secondly, serious dirt and mildew spots are generated in the long time, secondary pollution is generated to clothes, and the dirt in the outer barrel enters the inner barrel to cause secondary pollution to the clothes. If the inner barrel is made into a non-porous barrel, the water in the inner barrel is kept not to be lost in a washing state, and ideal effects can be achieved in drainage and dehydration, so that the water-saving environment-friendly drum washing machine is a technical problem which needs to be overcome urgently in the current drum washing machine water-saving environment-friendly technology.

The existing cleaning method for the inner barrel and the outer barrel of the drum washing machine comprises the following steps: 1. the dirt attached to the inner barrel is reduced by flushing the inner barrel by water flow; 2. the washing machine periodically uses a tank cleaning detergent to clean the detergent and remove dirt; 3. the washing barrel is made into a detachable structure, and is taken out during cleaning. The water flow flushing mode is not clean and thorough; the medicament cleaning mode is long in time consumption, and time and labor are wasted; the detachable mode of the washing barrel has a complex structure and poor user experience.

The patent application of publication number CN 107447425A discloses a drum washing machine and a washing method thereof, in which an annular isolation channel is provided between an outer tub and an inner tub, the isolation channel may be provided on the outer tub to rotate relative to the inner tub, or may be provided on the inner tub to rotate relative to the outer tub, and the isolation channel is communicated with a perforated area of the inner tub, so that a space between the outer tub and the inner tub is completely isolated from the interior of the inner tub, and thus a sewage stream is not formed between the inner tub and the outer tub, and dirt is not adhered and accumulated in the area between the outer tub and the inner tub. However, in the technical scheme of the patent application, when the isolation channel rotates relatively between the inner barrel and the outer barrel, the sealing performance of the joint is extremely poor, and washing water still exists between the inner barrel and the outer barrel; and, when the washing barrel rotates at a high speed, the washing barrel often has shake rotation, and in the shake in-process, this isolation passageway can take place deformation or displacement with being connected of inside and outside bucket, influences isolation effect of isolation passageway, can't accomplish the isolation of washing water between inside and outside bucket, avoids secondary pollution's effect relatively poor.

Disclosure of Invention

In view of the above, the present invention is directed to a washing tub with a water flow channel, a washing machine and a water draining method thereof, so as to solve the problems of secondary pollution caused by the drum washing machine in the prior art.

In order to achieve the above purpose, the technical scheme of the invention is realized as follows: the utility model provides a washing bucket with flow channel set up the flow channel on the washing bucket, the flow channel can rotate relatively washing bucket is integrative, the inside UNICOM of flow channel one end washing bucket, the other end setting of flow channel is in the outside of washing bucket, and the wash water in the washing bucket can be arranged outside the washing bucket through the flow channel, the contained angle that the both ends of flow channel and the washing bucket central axis formed on taking the center pin of washing bucket as the circular projection of centre of a circle is alpha, and the contained angle that the washing surface of water both ends in the washing bucket and the washing bucket central axis formed on the circular projection of washing bucket is beta when washing machine washs, and alpha is +.beta.

Further, the two ends of the water flowing channel are arranged on the circumference taking the central shaft of the washing barrel as the center of a circle, and the water flowing channel is arranged in an arc shape.

Further, the washing barrel comprises a washing barrel front plate, a washing barrel circumference and a washing barrel rear plate, wherein the water flow channel arranged on the washing barrel circumference is a spiral water flow channel, and two ends of the spiral water flow channel are spirally arranged.

Further, the water flowing channel is arranged on the washing barrel in a plurality.

Further, a valve is arranged at one end of the water flowing channel, the valve can be opened under the action of centrifugal force when the washing barrel rotates at a high speed, and the rotating speed of the washing barrel at the high speed is not less than 80 r/min.

Further, a washing barrel door is arranged on the washing barrel and is hinged with the washing barrel, and the washing barrel door can rotate around the hinge and can be in an open or closed state relative to the washing barrel.

Further, be provided with handle and locating pin on the washing barrel door, the handle sets up in the one side of keeping away from the hinge, be provided with trip and locking spring on the handle, set up the retainer plate on the washing barrel front bezel, be provided with draw-in groove and locating hole on the retainer plate, draw-in groove and trip cooperate, and when the washing barrel door pushed to the retainer plate, the trip can block into the draw-in groove and fix.

Compared with the prior art, the washing barrel with the water flowing channel has the following advantages:

(1) The washing barrel with the water flow channel solves the problems that in the prior art, when a drum washing machine washes, circulating washing water between an inner barrel and an outer barrel causes secondary pollution to washed clothes, and meanwhile, the sealing performance of the water flow channel is not tight, and the washing water leaks due to factors such as shaking during water discharge.

(2) The invention has simple structure and reliable use.

Another object of the present invention is to provide a washing machine comprising a washing tub with a water flow channel as described above.

The outer side of the washing barrel is provided with an outer barrel, a water throwing structure of the water flowing channel is arranged between the washing barrel and the outer barrel, the bottom of the outer barrel is provided with a water outlet, and the water outlet is connected with a water drain pipe.

The invention also discloses a drainage method of the washing machine, the drum washing machine comprises a washing barrel, a water flowing channel is arranged on the washing barrel, one end of the water flowing channel is communicated with the washing barrel, a flowing hole is arranged at the communicating position of the washing barrel and the water flowing channel, the other end of the water flowing channel is formed outside the washing barrel, the projection of the water flowing channel on a circle taking a central axis of the washing barrel as a center of a circle is arc-shaped or circular, an included angle formed by two ends of the water flowing channel (3) and the central axis of the washing barrel on the circular projection of the washing barrel is alpha, an included angle formed by two ends of a washing water surface in the washing barrel and the central axis of the washing barrel on the circular projection of the washing barrel is beta, alpha is equal to or larger than beta, the washing machine rotates unidirectionally under a washing condition, under a drainage condition and under a dewatering condition, the clockwise direction formed from the communicating position of the water flowing channel and the washing barrel to the tail end of the water flowing channel is the same as the clockwise direction when the washing barrel is washed, the rotation direction of the washing barrel is opposite to the rotation direction of the washing barrel under the drainage condition, and the rotation direction of the washing barrel is the same as the rotation direction of the washing barrel under the dewatering condition.

The invention also discloses a drainage method of the other washing machine, which comprises a washing barrel with a water flow channel and a washing machine comprising the same, wherein the washing barrel is provided with a valve, the washing barrel is provided with the water flow channel, one end of the water flow channel is communicated with the washing barrel, the communicating part of the washing barrel and the water flow channel is provided with a flow hole, the rest positions are pore-free, the other end of the water flow channel is formed outside the washing barrel, the projection of the water flow channel on a circle taking the central axis of the washing barrel as the center of a circle is arc-shaped or circular, the included angle formed by the two ends of the water flow channel and the central axis of the washing barrel on the circular projection of the washing barrel is alpha, the included angle formed by the two ends of the washing water surface in the washing barrel and the central axis of the washing barrel on the circular projection of the washing barrel 1 during washing of the washing machine is beta, alpha is beta, the washing machine can rotate unidirectionally under the washing working condition and can also rotate bidirectionally back and forth, and unidirectionally under the drainage working condition and under the dewatering working condition; when the washing working condition of the washing machine rotates unidirectionally, the direction of the hour formed from the communicating position of the water flowing channel and the washing barrel to the tail end of the water flowing channel is the same as the direction of the hour rotated when the washing barrel washes, the rotating direction of the washing barrel under the washing working condition is opposite to the rotating direction of the washing barrel under the drainage working condition, and the rotating direction of the washing barrel under the drainage working condition is the same as the rotating direction of the washing barrel under the dewatering working condition; when the washing working condition of the washing machine rotates bidirectionally, the clockwise direction formed from the communicating position of the water flowing channel and the washing barrel to the tail end of the water flowing channel is opposite to the rotation clockwise direction of the water draining working condition and the dewatering working condition of the washing barrel.

The invention discloses a washing machine with a washing barrel with a water flow channel and a water draining method, which are combined with a graph to explain the principle that the water flow channel finishes the washing working condition or the dehydration working condition and the water draining working condition, thereby ensuring that the washing barrel with the water flow channel washes the unidirectional rotation without water leakage in the washing working condition, draining the washing water in the washing barrel in the water draining working condition and the dehydration working condition, avoiding the secondary pollution caused by the back and forth series flow of the washing water between the inner barrel and the outer barrel, and simultaneously perfectly solving a series of sealing problems caused by factors such as instability of sliding sealing, shaking of the washing barrel and the like when the water flow space similar to an isolation channel rotates in the washing barrel.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a schematic view of a washing tub with a water flow channel according to an embodiment of the present invention;

FIG. 2 is a schematic view of a structure of a washing tub with a water flow channel in a one-way rotation A state in a draining and dehydrating state according to an embodiment of the present invention;

FIG. 3 is a schematic view showing a structure of a washing tub with a water flow channel in a one-way rotation B state in a draining and dehydrating state according to an embodiment of the present invention;

FIG. 4 is a schematic view showing a structure of a washing tub with a water flow channel in a C-state structure of unidirectional rotation in a draining and dehydrating state according to an embodiment of the present invention;

FIG. 5 is a schematic view showing a D-state structure of a washing tub with a water flow channel in a drainage and dehydration state according to an embodiment of the present invention;

FIG. 6 is a schematic view of a structure of a unidirectional rotation E state of a washing tub with a water flow channel according to an embodiment of the present invention;

FIG. 7 is a schematic diagram showing the structure of a unidirectional rotation F state in a washing state of a washing tub with a water flow channel according to an embodiment of the present invention;

FIG. 8 is a schematic diagram showing a structure of a unidirectional rotation G state in a washing state of a washing tub with a water flow channel according to an embodiment of the present invention;

FIG. 9 is a schematic view of a structure of a unidirectional rotation H state in a washing state of a washing tub with a water flow channel according to an embodiment of the present invention;

FIG. 10 is a schematic view showing the structure of the washing tub with the water flow channel in the first drainage and dewatering state in the one-way rotation I state according to the embodiment of the present invention;

FIG. 11 is a schematic view of a J-state structure of a washing tub with a water flow path in a unidirectional rotation in a second draining and dehydrating state according to an embodiment of the present invention;

FIG. 12 is a schematic view showing a structure of a unidirectional rotation K state of a washing tub with a water flow channel in a second draining and dehydrating state according to an embodiment of the present invention;

FIG. 13 is a schematic view showing a structure of a washing tub with a water flow path in a L-state structure of unidirectional rotation in a second draining and dehydrating state according to an embodiment of the present invention;

FIG. 14 is a schematic view showing an M-state structure of a washing tub with a water flow passage according to an embodiment of the present invention in a second washing state;

FIG. 15 is a schematic view of a unidirectional rotation N-state structure of a washing tub with a water flow channel in a second washing state according to an embodiment of the present invention;

FIG. 16 is a schematic view showing the structure of a unidirectional rotation O-state in a second washing state of a washing tub with a water flow passage according to an embodiment of the present invention;

FIG. 17 is a schematic view showing a structure of a unidirectional rotation P-state in a second washing state of a washing tub with a water flow channel according to an embodiment of the present invention;

FIG. 18 is a schematic diagram showing the construction of a method for draining water in a drum washing machine according to an embodiment of the present invention;

FIG. 19 is a schematic diagram showing a front view of a water supply channel of a washing tub according to an embodiment of the present invention;

FIG. 20 is a schematic left-hand view of a water supply channel of a washing tub with a water flow channel according to an embodiment of the present invention;

FIG. 21 is a right side view of a water supply channel of a washing tub with a water supply channel according to an embodiment of the present invention;

FIG. 22 is a schematic side view of a water supply channel of a washing tub with a water supply channel according to an embodiment of the present invention;

FIG. 23 is a schematic diagram showing a front view of a water flow channel on a washing tub with a water flow channel according to an embodiment of the present invention;

FIG. 24 is a schematic left-hand view of a water flow channel on a washing tub with a water flow channel according to an embodiment of the invention;

FIG. 25 is a schematic diagram showing a right-side view of a water flow channel on a washing tub with a water flow channel according to an embodiment of the present invention;

FIG. 26 is a schematic side view of a water flow channel on a washing tub with a water flow channel according to an embodiment of the invention;

FIG. 27 is a schematic side view of a washing tub with a water flow channel according to an embodiment of the invention;

FIG. 28 is a schematic side view of a circumferential water guiding groove of a washing tub according to an embodiment of the present invention;

FIG. 29 is a schematic side view of a circumferential top plate of a washing tub according to an embodiment of the present invention;

FIG. 30 is a schematic side view of an end water guiding groove of a washing tub according to an embodiment of the present invention;

FIG. 31 is a schematic right-side view of an end water guiding groove of a washing tub according to an embodiment of the present invention;

FIG. 32 is a schematic view showing a structure of a spiral water flow passage of a washing tub according to an embodiment of the present invention;

FIG. 33 is a schematic view showing a structure of a second spiral water flow path of the washing tub according to the embodiment of the present invention;

FIG. 34 is a schematic view showing the structure of a third spiral water flow path of the washing tub according to the embodiment of the present invention;

fig. 35 is a schematic view showing a structure of a washing machine including a washing tub with a water flow path according to an embodiment of the present invention;

FIG. 36 is a schematic view of a water flow channel communicating with a water deflector according to an embodiment of the present invention;

FIG. 37 is a schematic view showing a second construction of a water flow channel communicating with a water-blocking rib according to an embodiment of the present invention;

FIG. 38 is a schematic view of a third construction of a water flow channel communicating with a water deflector according to an embodiment of the present invention;

FIG. 39 is a schematic view showing the structure of another embodiment of the washing tub of the present invention;

FIG. 40 is a schematic cross-sectional view of a washing tub of the present invention;

FIG. 41 is a side view of the structure in which the elastic valve of the water flow passage of the present invention is provided at the wall of the washing tub;

FIG. 42 is an enlarged view of a portion of the portion A of FIG. 41 in accordance with the present invention;

FIG. 43 is a side view showing the structure in which the elastic valve of the water flow passage of the present invention is provided in the water guiding groove at the end of the washing tub;

FIG. 44 is a side view of the other face construction of the end guide channel of FIG. 43;

FIG. 45 is a side view of the structure in which the check valve of the water flow passage of the present invention is provided at the wall of the washing tub;

FIG. 46 is a schematic view showing the structure of the water flow channel of the present invention provided at the front plate of the washing tub;

FIG. 47 is a side view of the front plate structure of the washing tub with the check valve of the water flow passage of the present invention;

FIG. 48 is a side view of the other face of the front plate of the washing tub of FIG. 47 in accordance with the present invention;

FIG. 49 is a schematic view of a tilting non-porous tub washing machine in accordance with an embodiment of the present invention;

FIG. 50 is a cross-sectional view showing the structure of a washing-free tub with a tub door according to an embodiment of the present invention;

FIG. 51 is a front view of FIG. 50;

FIG. 52 is a left side view of a door seal assembly for a no-clean washing tub with a tub door according to an embodiment of the invention;

FIG. 53 is a view showing an opened state of a tub door of a washing-free tub with a tub door according to an embodiment of the present invention;

FIG. 54 is a schematic view showing the alignment of the alignment pin and the alignment hole of the washing-free tub with the tub door according to the embodiment of the present invention;

FIG. 55 is a view showing a state in which a tub door of a washing-free drum washing machine according to an embodiment of the present invention is closed;

reference numerals illustrate:

1. a washing tub, 2. A washing water surface, 3. A water flow passage, 4. A water draining structure, 5. A water throwing structure, 6. A washing tub front plate, 6-3. A front plate water channel groove, 6-4-front plate water draining holes, 6-5-front plate water throwing holes, 6-6-front plate cover plate, 7-washing tub circumference, 7-3. A circumferential water channel groove, 7-4-circumferential water draining holes, 7-5-circumferential water throwing holes, 7-6-circumferential cover plate, 8-washing tub rear plate, 8-3. A rear plate water channel groove, 8-4-rear plate water draining holes, 8-5-rear plate water throwing holes, 8-6-rear plate cover plate, 9. A flange, 10. A barrel cover, 11. A water inlet, 12. A water stirring bar, 1201-first chamber, 1202-water draining surface, 12-4-water stirring bar water draining holes, 13. A circumferential water guiding groove, first water diversion structure 1401, first water diversion part 1402, second water diversion part 1403, third water diversion part 15, circumference top plate 16, end water diversion groove 1601, first limit wall 1602, second limit wall 17, second water diversion structure 1701, fourth water diversion part 1702, fifth water diversion part 1703, sixth water diversion part 18, spiral water flow channel 18-3, spiral water diversion pipe 18-4, water diversion pipe water outlet 18-5, water diversion pipe water throwing port 19, water inlet valve 20, outer barrel 21, box body 22, water spraying hose 23, water spraying nozzle 24, door cover 25, water outlet 26, water draining pipe 28, water inlet 29, washing box 30, water inlet hose 31, reset spring 32,

metal ball

33, 34. the valve seat is characterized by comprising a rotary pin, 35, an elastic valve, 36, a one-way valve, 37, a retainer ring, 3701, a locating hole, 38, a hinge, 39, a washing barrel door, 3901, a locating pin, 3902, an elastic component, 40, a handle, 41, a locking spring, 42, a magnet, 43, a clamping hook, 44, a clamping groove, 45, a door seal and 46, and a position sensor.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions or technical features between the embodiments may be combined with each other, but it is necessary to base that a person skilled in the art can implement the combination of technical solutions, when the combination of technical solutions contradicts or cannot be implemented, should be regarded that the combination of technical solutions does not exist, and is not within the scope of protection claimed by the present invention.

Further, all directional indications (such as up, down, left, right, front, rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

The invention will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

As shown in fig. 1 to 9, this embodiment discloses a washing tub with a water flow channel for washing unidirectional rotation, a water flow channel 3 is provided on the washing tub 1, a water drain structure 4 is provided on the washing tub 1, one end of the water flow channel 3 is communicated with the water drain structure 4, the water drain structure 4 is used for flowing water in the washing tub 1 to the water flow channel 3, the other end of the water flow channel 3 is communicated with a water throwing structure 5, the water throwing structure 5 is provided outside the washing tub 1, and the water throwing structure 5 is used for flowing washing water in the water flow channel 3 to the outside of the washing tub 1.

Preferably, the two ends of the water flowing channel 3 are arranged on the circumference taking the central shaft of the washing barrel as the center of a circle, and the water flowing channel 3 is arranged in an arc shape.

Specifically, an included angle formed by the two ends of the water flow channel 3 and the central axis of the washing barrel on the circular projection taking the central axis of the washing barrel 1 as the center of a circle is alpha, and an included angle formed by the two ends of the washing water surface 2 in the washing barrel 1 and the central axis of the washing barrel on the circular projection of the washing barrel 1 during washing of the washing machine is beta, alpha is larger than or equal to beta.

Further, the washing tub 1 comprises a washing tub front plate 6, a washing tub circumference 7 and a washing tub rear plate 8, and the water flowing channel 3 is arranged on any one or more of the washing tub front plate 6, the washing tub circumference 7 and the washing tub rear plate 8.

Preferably, the arc length of the water flowing channel 3 is longer than the arc length formed by the contact of the washing water surface 2 and the washing barrel.

Specifically, the included angle alpha between the two ends of the circular arc of the water flow channel 3 and the center of the washing barrel 1 is in the range of 90-360 degrees, preferably 100-180 degrees.

Furthermore, the drainage structure 4, the water flowing channel 3 and the water throwing structure 5 form water flowing pipelines on the washing barrel 1, and a plurality of water flowing pipelines, preferably 2-4, can be arranged on the front plate 6 and the rear plate 8 of the washing barrel; a plurality of groups of water flowing pipeline devices, preferably 2-5 groups, are arranged on the circumference 7 of the washing barrel, and each group of water flowing pipeline devices is provided with a plurality of water flowing pipelines, preferably 2-4 water flowing pipelines.

Preferably, the water flow channel 3 is flat or tubular.

Further, the water flowing pipeline is gradually contracted from the water draining structure 4 to the water throwing structure 5. This arrangement avoids that the washing tub rotates at a high speed when dehydrating, and the washing water is attached to the water flow path 3 by centrifugal force without flowing out of the water throwing structure 5, thereby affecting the dehydrating effect.

Features and structures of the embodiments described in the present invention may be combined with those of other embodiments, but it is necessary that the combination of the technical solutions should be considered to be absent when the combination of the technical solutions is contradictory or impossible to achieve, and not within the scope of protection claimed in the present invention.

The embodiment discloses a washing barrel with a running water channel washing unidirectional rotation, through setting up the running water pipeline on the washing barrel, with the inside UNICOM of one end and the washing barrel of running water pipeline, the other end setting of running water pipeline is outside the washing barrel to realize that the washing barrel accomplishes washing operating mode or drainage operating mode, dehydration operating mode through unidirectional sustained rotation, the rotation direction of washing barrel washing operating mode is opposite with the rotation direction of drainage operating mode, dehydration operating mode.

Example 2

The embodiment discloses a drum washing machine and a drainage method, as shown in fig. 18, the drum washing machine comprises a washing tub 1, a water flow channel 3 is arranged on the washing tub 1, one end of the water flow channel 3 is communicated with the washing tub 1, a communication part of the washing tub and the water flow channel 3 is provided with a flow hole, the rest positions are no holes, the other end of the water flow channel 1 is formed outside the washing tub, the projection of the water flow channel 3 on a circle with a central axis of the washing tub as a center is arc-shaped or circular, an included angle formed by two ends of the water flow channel 3 and the central axis of the washing tub on the circular projection of the washing tub 1 is alpha, an included angle formed by two ends of a water surface 2 in the washing tub 1 and the central axis of the washing tub on the circular projection of the washing tub 1 during washing of the washing machine is beta, alpha is equal to beta, the washing machine rotates unidirectionally under a washing condition, and under a dewatering condition, the direction of the water flow channel 3 and the tail end of the water flow channel 3 is equal to the clockwise direction formed by the tail end of the water flow channel 3 during washing of the washing tub, and the rotation direction of the washing tub is opposite to the rotation direction of the washing tub under the dewatering condition, and the rotation direction of the washing condition is equal to the dewatering condition.

In order to more clearly explain the working principle of the washing machine, the following definitions are made, in the embodiment, the clockwise direction and the anticlockwise direction are both formed by looking from one end of the water inlet of the washing barrel to one end of the connecting part of the clutch of the washing barrel, the rotation direction of the washing machine during washing is defined as R-hour, the rotation direction of the washing machine during a drainage working condition or a dehydration working condition is defined as S-hour, the direction from one end of the water flow channel 3 communicated with the washing barrel to the other end of the water flow channel 3 is defined as T-hour, namely, the T-hour is the same as the R-hour, and the R-hour is opposite to the S-hour.

In combination with the embodiment 1, as shown in fig. 35, an outer tub 20 is disposed at the outer side of the washing tub 1, the water throwing structure 5 of the water flowing channel 3 is disposed between the washing tub 1 and the outer tub 20, a water outlet 25 is disposed at the bottom of the outer tub 20, and a water outlet 26 is connected to the water outlet 25.

Under the action of washing water, clothes and the like, the rotating speed of a washing barrel is generally within 50 revolutions per minute, the washing water surface 2 in washing is generally in a horizontal or nearly horizontal state, as shown in figures 2-9, the water draining structure 4, the water flowing channel 3 and the water throwing structure 5 of the water flowing pipeline are arranged anticlockwise on the washing barrel, namely, the T hour hand is anticlockwise;

When the washing tub 1 rotates clockwise:

as shown in fig. 2, at this time, the drainage structure 4 and the water throwing structure 5 are both above the washing water surface 2, and at this time, no washing water is in the water flow channel 3;

with the clockwise rotation of the washing tub 1, the position shown in fig. 3 is reached, at this time, the drain structure 4 is lower than the washing water surface 2, the water throwing structure 5 is higher than the washing water surface 2, and the water channel 3 is filled with washing water through the drain structure 4;

then, along with the clockwise rotation of the washing barrel 1, the water draining structure 4 is higher than the washing water surface 2, the water throwing structure 5 is lower than the washing water surface 2, and the washing water in the water flowing channel 3 is discharged between the washing barrel 1 and the outer barrel 20 through the water throwing structure 5;

the water draining structure 4 is higher than the washing water surface 2, the water throwing structure 5 is lower than the washing water surface 2, the water throwing structure 5 rotates to the lowest position of the washing barrel 1, and the washing water in the water flowing channel 3 is completely discharged between the washing barrel 1 and the outer barrel 20 through the water throwing structure 5;

under the working condition, the washing barrel is described in a A, B, C, D state, each running water pipeline has a water storage and drainage process once when the washing barrel rotates for one circle, and washing water flows between the inner barrel and the outer barrel in the rotation process of the washing barrel, so that the drainage and dehydration working condition of the washing machine is formed, namely, the S hour is clockwise.

As shown in fig. 6 to 9, the drainage structure 4, the water flow channel 3 and the water throwing structure 5 of the water flow pipeline are arranged on the washing barrel anticlockwise, and when the washing barrel 1 rotates anticlockwise:

as shown in fig. 6, at this time, the drain structure 4 and the water throwing structure 5 are both above the washing water surface 2, and at this time, no washing water is in the water flow channel 3;

with the anticlockwise rotation of the washing barrel 1, the position shown in fig. 7 is reached, at the moment, the water draining structure 4 is higher than the washing water surface 2, the water throwing structure 5 is lower than the washing water surface 2, and no washing water exists in the water flowing channel 3;

then, along with the anticlockwise rotation of the washing barrel 1, the water drain structure 4 is lower than the washing water surface 2, the water throwing structure 5 is higher than the washing water surface 2, and washing water is injected into the water flow channel 3 through the water drain structure 4;

the washing tub 1 rotates clockwise again to reach the position shown in fig. 9, at this time, the water draining structure 4 is higher than the washing water surface 2, the water throwing structure 5 is higher than the water draining structure 4, and the washing water in the water flowing channel 3 flows back to the washing tub 1 again through the water draining structure 4;

under the working condition, the washing barrel rotates in one direction through the E, F, G, H state, water in each flowing water pipeline is continuously stored and flows back, and the water cannot flow between the inner barrel and the outer barrel of the washing barrel, so that the washing working condition of the washing machine is formed, namely, the R hour hand is anticlockwise.

When the rotating speed of the washing barrel is increased, and the rotating speed of the washing barrel is higher than 50 revolutions per minute, the washing barrel comprises a washing working condition or a drainage working condition, and the water in the washing barrel is arranged in an inclined horizontal plane under the rotating action of the washing barrel and the action of a water-stirring rib;

the water draining structure 4, the water flowing channel 3 and the water throwing structure 5 of the water flowing pipeline are arranged anticlockwise on the washing barrel 1, the washing water surface 2 is arranged in an inclined or near-inclined mode, as shown in fig. 10-17, the washing barrel is described in I, J, K, L, M, N, O, P state, and the working state of the washing machine is the same as the horizontal state of the washing water surface. When the rotation direction of the washing barrel 1 is the same as the arrangement direction of the water draining structure 4, the water flowing channel 3 and the water throwing structure 5 on the washing barrel, the washing working condition is adopted at the moment; when the rotation direction of the washing barrel 1 is opposite to the arrangement direction of the water draining structure 4, the water flowing channel 3 and the water throwing structure 5 on the washing barrel, the water draining working condition and the water dewatering working condition are adopted at the moment.

Namely, if the water draining structure 4, the water flowing channel 3 and the water throwing structure 5 of the water flowing pipeline are arranged on the washing barrel clockwise, the washing barrel rotates anticlockwise to be in a water draining working condition and a dehydration working condition, and the washing barrel rotates clockwise to be in a washing working condition.

If the water draining structure 4, the water flowing channel 3 and the water throwing structure 5 of the water flowing pipeline are arranged on the washing barrel anticlockwise, the washing barrel rotates clockwise to be in a water draining working condition and a dewatering working condition, and the washing barrel rotates anticlockwise to be in a washing working condition.

A method of a drum washing machine comprises the washing barrel with the water flowing channel, and the control steps are as follows:

st1, starting the washing machine, selecting a control program, and if a washing program or a rinsing program is selected, entering a step St2; if the dehydration working condition is selected, st5 is entered;

st2: the washing barrel starts to rotate, the rotation direction R of the washing barrel is the same as the setting direction T of the water flowing channel 3, and water is injected into the washing barrel;

st3, after water injection is completed, continuing to rotate unidirectionally along the direction of the rotating direction R of the washing barrel, and starting washing;

st4, after washing, the washing barrel rotates unidirectionally along the direction opposite to the setting direction T of the water flowing channel 3, namely the rotating direction S is opposite to the rotating direction T, and water drainage is started;

st5, in the dehydration working condition, the washing barrel rotates unidirectionally along the direction opposite to the setting direction T of the water flowing channel 3, and can continue to rotate unidirectionally at high speed along the clockwise direction of S, so that the dehydration working condition is completed.

Preferably, the included angle alpha formed by the two ends of the water flow channel 3 and the central axis of the washing barrel on the circular projection of the washing barrel 1 has a value range of 90-360 degrees, preferably 100-180 degrees, and alpha is more than beta.

In some embodiments of the present invention, the value range of α may also take the range of 80 °, 120 °, 135 °, 145 °, 150 °, 160 °, 200 ° to 250 °, 280 °, 320 °.

Further, one end of the water flow channel 3 is communicated with the water drain structure 4, the water drain structure 4 is used for flowing water in the washing tub 1 to the water flow channel 3, the other end of the water flow channel 3 is communicated with the water throwing structure 5, the water throwing structure 5 is arranged outside the washing tub 1, the water throwing structure 5 is used for flowing washing water in the water flow channel 3 to the outside of the washing tub 1, and other structures are the same as those of embodiment 1.

As some embodiments of the present invention, as shown in fig. 35, the washing machine further includes a casing 21 and a door cover 24, the outer tub 20 is concentrically disposed with the washing tub 1, the washing tub 1 is connected with the reduction clutch through a flange 9, and the drain pipe 26 is extended through the casing 21; the water inlet channel is provided with a rapid heating device; the water inlet channel comprises a water inlet hose 30 and a water spraying hose 22, the water inlet hose 30 is arranged at the inner top of the box body 21, one end of the water inlet hose 30 is arranged on the box body 21 through a water inlet valve 19, the other end of the water inlet hose 30 is communicated with a washing box 29, the washing box 29 is arranged on the box body 21, the washing box 29 is communicated with the water spraying hose 22, the water spraying hose 22 is arranged at the inner front part of the box body 21, the water spraying hose 22 is communicated with a water spraying nozzle 23, the water spraying nozzle 23 is arranged on a door cover 24 in an erecting mode, and water sprayed from the water spraying nozzle 23 can pass through a water inlet 28 of the cylinder cover 10 to enter the washing cylinder 1; the water spray nozzle 23 and the water spray hose 22 are connected through a movable joint.

The embodiment discloses a washing machine with a water flow channel for washing a washing barrel which rotates unidirectionally and a drainage method, and the principle that the water flow channel rotates unidirectionally to finish a washing working condition or a dehydration working condition and a drainage working condition is described by combining a graph, so that the washing barrel with the water flow channel for washing the washing barrel which rotates unidirectionally is guaranteed to be watertight in the washing working condition, washing water in the washing barrel is discharged in the drainage working condition and the dehydration working condition, the phenomenon that the washing water flows back and forth between an inner barrel and an outer barrel to cause secondary pollution is avoided, and a series of sealing problems caused by factors such as instability of sliding sealing, shaking of the washing barrel and the like when a water flow space similar to an isolation channel rotates in the washing barrel are perfectly solved.

Example 3

As shown in fig. 19 to 26, this embodiment discloses a washing tub with a water flow channel for washing unidirectional rotation, a drain hole is provided on the washing tub 1, the drain hole is communicated with a water channel groove, the water channel groove is formed on the outer wall of the washing tub 1, a cover plate is provided on the water channel groove, the water channel groove and the cover plate form a water drain cavity, a water throwing hole is formed at the end of the water drain cavity, and the drain hole, the water channel groove, the cover plate and the water throwing hole form a water flow pipeline.

Specifically, an included angle formed by two ends of the running water pipeline and the central axis of the washing barrel on the circular projection taking the central axis of the washing barrel 1 as the center of a circle is alpha, and an included angle formed by two ends of the washing water surface 2 in the washing barrel 1 and the central axis of the washing barrel on the circular projection of the washing barrel 1 during washing of the washing machine is beta, alpha is equal to beta.

Preferably, the washing tub 1 comprises a washing tub front plate 6, a washing tub circumference 7 and a washing tub rear plate 8, wherein a circumference water channel groove 7-3 is arranged on the washing tub circumference 7, the circumference water channel groove 7-3 is pressed inwards or outwards on the washing tub circumference 7, and/or a front plate water channel groove 6-3 is arranged on the washing tub front plate 6, the front plate water channel groove 6-3 is pressed inwards or outwards on the washing tub front plate 6, and/or a rear plate water channel groove 8-3 is arranged on the washing tub rear plate 8, and the rear plate water channel groove 8-3 is pressed inwards or outwards on the washing tub rear plate 8.

Further, a circumferential drain hole 7-4 is formed in the circumference 7 of the washing barrel, the circumferential drain hole 7-4 is communicated with the circumferential water channel groove 7-3, a circumferential cover plate 7-6 is arranged on the circumferential water channel groove 7-3, the circumferential cover plate 7-6 and the circumferential water channel groove 7-3 form a circumferential drain cavity, a circumferential water throwing hole 7-5 is formed in the other end of the circumferential drain cavity, and the circumferential drain hole 7-4, the circumferential water channel groove 7-3, the circumferential cover plate 7-6 and the circumferential water throwing hole 7-5 form a barrel body water flowing pipeline.

Preferably, the included angle between the two ends of the circumferential water channel 7-3 and the center of the washing barrel 1 is 90-360 degrees, preferably 100-180 degrees.

Further, a plurality of barrel body water flowing pipelines are arranged on the circumference taking the central shaft of the washing barrel 1 as the center of a circle, a plurality of barrel body water flowing pipelines arranged on the same circumference form a group of water flowing pipeline devices, a plurality of groups of water flowing pipeline devices are arranged on the washing barrel 1, and each group of water flowing pipeline devices is preferably arranged in a number of 2-4.

Further, the barrel body water flowing pipeline is gradually contracted from the circumferential water draining hole 7-4 to the circumferential water throwing hole 7-5. As an example, the front plate drain chamber covers a plurality of circumferential drain holes 7-4, which prevents the tub from rotating at a high speed during dehydration, and the washing water is attached to the circumferential cover plate 7-6 by centrifugal force without flowing out of the circumferential drain holes 7-5.

Preferably, a front plate drain hole 6-4 is formed in the front plate 6 of the washing tub, the front plate water channel 6-3 is communicated with the front plate drain hole 6-4, a front plate cover plate 6-6 is arranged on the front plate water channel 6-3, the front plate water channel 6-3 and the front plate cover plate 6-6 form a front plate drain cavity, a front plate water throwing hole 6-5 is formed at the other end of the front plate drain cavity, and a front plate drain pipeline is formed by the front plate drain hole 6-4, the front plate water channel 6-3, the front plate cover plate 6-6 and the front plate water throwing hole 6-5.

Further, the front plate water channel groove 6-3 is arranged in an arc shape on the circumference taking the central shaft of the washing barrel 1 as the center of the circle, and the included angle between the two ends of the front plate water channel groove 6-3 and the center of the front plate 6 of the washing barrel is 90-360 degrees, preferably 100-180 degrees.

Preferably, the front plate drain holes 6-4 are provided on the tub front plate 6 at positions close to the tub circumference 7, and a plurality of front plate flow pipes are provided on the tub front plate 6. As an example, the plurality of front plate water flow lines may be formed on the same circumference centering on the tub front plate 6, or may be formed on different circumferences centering on the tub front plate 6.

Further, the front plate water flow pipeline is gradually contracted from the front plate water drain hole 6-4 to the front plate water throwing hole 6-5. As an example, the front plate drain chamber covers the plurality of front plate drain holes 6-4, which prevents the tub from rotating at a high speed during dehydration, and the washing water is attached to the front plate cover plate 6-6 by centrifugal force without flowing out from the front plate drain holes 6-5.

Preferably, a rear plate drain hole 8-4 is formed in the rear plate 8 of the washing tub, the rear plate water channel groove 8-3 is communicated with the rear plate drain hole 8-4, a rear plate cover plate 8-6 is arranged on the rear plate water channel groove 8-3, the rear plate water channel groove 8-3 and the rear plate cover plate 8-6 form a rear plate drain cavity, a rear plate water throwing hole 8-5 is formed in the other end of the rear plate drain cavity, and the rear plate drain hole 8-4, the rear plate water channel groove 8-3, the rear plate cover plate 8-6 and the rear plate water throwing hole 8-5 form a rear plate water flowing pipeline.

Further, the back plate water channel groove 8-3 is arranged in an arc shape on the circumference taking the center of the back plate 8 of the washing barrel as the center of the circle, and the included angle between the two ends of the back plate water channel groove 8-3 and the center of the back plate 8 of the washing barrel is 90-360 degrees, preferably 100-180 degrees.

Preferably, the rear plate drain holes 8-4 are provided on the rear plate 8 of the washing tub at positions close to the circumference 7 of the washing tub, and a plurality of rear plate drain lines are provided on the rear plate 8 of the washing tub. As an example, the plurality of rear plate water flow lines may be formed on the same circumference centering on the tub rear plate 8, or may be formed on different circumferences centering on the tub rear plate 8.

Further, the rear plate water flowing pipeline is gradually contracted from the rear plate water draining hole 8-4 to the rear plate water throwing hole 8-5. As an example, the rear plate drain chamber covers the plurality of rear plate drain holes 8-4, which prevents the tub from rotating at a high speed during dehydration, and the washing water is attached to the rear plate cover plate 8-6 by centrifugal force without flowing out of the rear plate drain holes 8-5.

As an example, only front plate water flow pipe means, only rear plate water flow pipe means, and also only peripheral water flow pipe means may be provided in the washing tub 1; when only the front plate flow pipe arrangement and/or the rear plate flow pipe arrangement is provided, the front plate flow pipe arrangement must comprise front plate flow pipes with front plate drain holes 6-4 provided on the tub front plate 6 near the tub circumference 7, and likewise, the rear plate flow pipe arrangement must comprise rear plate flow pipes with rear plate drain holes 8-4 provided on the tub rear plate 8 near the tub circumference 7, which arrangement improves the efficiency and reliability of the wash water outflow in both the drain and the dewatering operation.

The embodiment discloses a setting mode and a running water structure of a running water channel of a washing barrel with a running water channel washing unidirectional rotation, wherein the whole washing barrel is not provided with other holes except a water discharge hole, each front plate water channel groove 6-3, a circumference water channel groove 7-3 and a rear plate water channel groove 8-3 are communicated with one water discharge hole or two symmetrical water discharge holes or a plurality of water discharge holes, and a cover plate is arranged on each water channel groove to form a groove type with the water channel groove of the washing barrel, so that a running water pipeline which only passes through the water discharge hole on the washing barrel 1 and then leads to a water throwing hole outside the washing barrel is formed. The arrangement is such that each water channel is a ring or part of a ring relative to the central axis of the washing tub, wherein each section is started with a drain hole and ended with a water throwing hole, and the relative positions of the drain hole and the water throwing hole of each water flow pipeline are in the same direction, i.e. are clockwise or anticlockwise.

The operation principle of the washing machine including the washing tub is the same as that described in embodiment 2, and will not be described again.

Example 4

As shown in fig. 27-31, this embodiment discloses another washing tub with a water flow channel for washing unidirectional rotation, the washing tub 1 includes a washing tub front plate 6, a washing tub circumference 7, and a washing tub rear plate 8, the washing tub circumference 7 is provided with a circumference drain hole 7-4, the outer surface of the washing tub circumference 7 is provided with a circumference water guiding groove 13, the circumference water guiding groove 13 is provided with a first water diversion structure 14, the first water diversion structure 14 is communicated with the circumference drain hole 7-4, a circumference top plate 15 is provided on a surface of the circumference water guiding groove 13 far from the outer surface of the washing tub circumference 7, the circumference top plate 15 forms a circumference drain cavity with the circumference water guiding groove 13, the circumference top plate 15 is provided with a circumference water throwing hole 7-5, the circumference water throwing hole 7-5 is communicated with the first water diversion structure 14, the circumference drain hole 7-4, the circumference water guiding groove 13, the first water guiding structure 14, the circumference top plate 15 and the circumference water throwing hole 7-5 form a tub body water flow pipeline, and other embodiments are the same. The arrangement discloses another barrel body running water pipeline, and the diversity and reliability of the outflow of the washing water under the drainage working condition and the dehydration working condition are ensured.

Specifically, an included angle formed by two ends of the barrel body running water pipeline and the central axis of the washing barrel on the circular projection taking the central axis of the washing barrel 1 as the center of a circle is alpha, and an included angle formed by two ends of the washing water surface 2 in the washing barrel 1 and the central axis of the washing barrel on the circular projection of the washing barrel 1 during washing of the washing machine is beta, alpha is not less than beta.

Preferably, the circumference water guiding groove 13 is arranged circumferentially, the circumference water guiding groove 13 is sleeved on the outer surface of the circumference 7 of the washing barrel, the circumference top plate 15 is also arranged circumferentially, and the circumference top plate 15 is sleeved on the outer surface of the circumference water guiding groove 13. This setting is convenient for staving pipeline's assembly and improves staving pipeline leakproofness.

Further, two ends of the first water diversion structure 14 are respectively communicated with the circumferential water drainage hole 7-4 and the circumferential water throwing hole 7-5, and an included angle formed by the two ends of the first water diversion structure 14 and the central shaft of the circumference 7 of the washing barrel is 90-360 degrees, preferably 100-180 degrees.

Preferably, the number of the first water diversion structures 14 arranged on the circumferential water guiding groove 13 is plural, and the water diversion channels of the first water diversion structures 14 are arranged in a small-big-small structure from one end close to the circumferential water draining hole 7-4 to one end of the circumferential water throwing hole 7-5.

Specifically, the first water diversion structure 14 is provided with three on the circumferential water guiding groove 13, the first water diversion structure 14 comprises a first water diversion portion 1401, a second water diversion portion 1402 and a third water diversion portion 1403, the first water diversion portion 1401 is communicated with the upper end of the second water diversion portion 1402, the third water diversion portion 1403 is communicated with the lower end of the second water diversion portion 1402, the circumferential water guiding groove 13 is reasonably utilized, the first water diversion portion 1401 is communicated with the circumferential water draining hole 7-4, the third water diversion portion 1403 is communicated with the circumferential water throwing hole 7-5, on one hand, the volume of a water diversion channel of the first water diversion structure 14 is increased as much as possible, on the other hand, the communication positions of the circumferential water draining hole 7-4, the circumferential water throwing hole 7-5 and the first water diversion structure 14 are staggered, so that the washing water in the washing tub 1 can be dried in a high-speed rotation dewatering manner, meanwhile, the first water diversion structure 14 and the third water diversion portion communicated with the circumferential water throwing hole 7-5 can be more effectively arranged in a relative manner, and the water throwing efficiency of the washing tub 1 can be further improved.

Further, a plurality of circumferential water guiding grooves 13 are arranged on the circumference 7 of the washing tub, and a circumferential top plate 15 is arranged on the outer side surface of each circumferential water guiding groove 13. The arrangement further improves the efficiency of the washing water discharge of the barrel body water flowing pipeline under the drainage working condition and the dehydration working condition.

Preferably, a front plate water drain hole 6-4 is formed in the front plate 6 of the washing tub, an end water guide groove 16 is formed in the outer side of the front plate 6 of the washing tub, a second water guide structure 17 is formed in one side, close to the front plate 6 of the washing tub, of the end water guide groove 16, the end water guide groove 16 and the front plate 6 of the washing tub form a front plate water drain cavity, a front plate water throwing hole 6-5 is formed by the tail end of the second water guide structure 17 and the end water guide groove 16, and a front plate water drain pipeline is formed by the front plate water drain hole 6-4, the end water guide groove 16, the second water guide structure 17 and the front plate water throwing hole 6-5. The arrangement discloses another front plate water flowing pipeline, and the diversity and reliability of the outflow of the washing water in the drainage working condition and the dehydration working condition are ensured.

Specifically, an included angle formed by two ends of the front plate water flow pipeline and the central axis of the washing barrel on the circular projection taking the central axis of the washing barrel 1 as the center of a circle is alpha, and an included angle formed by two ends of the washing water surface 2 in the washing barrel 1 and the central axis of the washing barrel on the circular projection of the washing barrel 1 during washing of the washing machine is beta, alpha is not less than beta.

Further, the end water guiding groove 16 is disposed in an annular shape with the center of the tub front plate 6 as a center, the end water guiding groove 16 includes a first limiting wall 1601 and a second limiting wall 1602, a second water guiding structure 17 is formed between the first limiting wall 1601 and the second limiting wall 1602, and an included angle formed between two ends of the second water guiding structure 17 and the center of the tub front plate 6 is 90-360 degrees, preferably 100-180 degrees.

Preferably, the second water diversion structures 17 are formed on the end water diversion groove 16, and the water diversion channels of the second water diversion structures 17 are arranged in a small-big-small structure from one end close to the front plate water drainage hole 6-4 to one end of the front plate water throwing hole 6-5.

Specifically, the second water diversion structure 17 is disposed with three water diversion grooves 16 at the end portion, the second water diversion structure 17 includes a fourth water diversion portion 1701, a fifth water diversion portion 1702, and a sixth water diversion portion 1703, the fourth water diversion portion 1701 is communicated with the upper end of the fifth water diversion portion 1702, and the sixth water diversion portion 1703 is communicated with the lower end of the fifth water diversion portion 1702. According to the structure of the end water guiding groove 16, the fourth water guiding part 1701 is communicated with the front plate water draining hole 6-4, the sixth water guiding part 1703 is communicated with the front plate water draining hole 6-5, as shown in fig. 31, washing water flows from the inside of the washing tub 1 to the second water guiding structure 17 through the front plate water draining hole 6-4, and then flows to the front plate water draining hole 6-5 in the front plate water draining cavity according to the arrow direction shown in fig. 31, so that washing water flows out of the washing tub under the water draining working condition and the dewatering working condition, the volume of a water guiding channel of the second water guiding structure 17 is increased as much as possible, the communicating positions of the front plate water draining hole 6-4, the front plate water draining hole 6-5 and the second water guiding structure 17 are staggered, washing water in the washing tub 1 can be dried in a high-speed rotation manner, meanwhile, the sixth water guiding part 3 which is communicated with the front plate water draining hole 6-5 is arranged in a contracted manner relative to the fifth water guiding part 1702, and the washing efficiency and the reliability of the washing tub are further improved.

Preferably, the rear plate 8 is provided with a rear plate drain hole 8-4, and the outside of the rear plate 8 is provided with an end water guide groove 16 to form a rear plate water flow pipeline. The end water guide groove 16 provided at the outer side of the tub rear plate 8 is identical or similar in structure to the end water guide groove 16 provided at the outer side of the tub front plate 6.

In combination with embodiment 3, this embodiment discloses another arrangement mode and a flow structure of a flow channel of a washing tub with a flow channel for washing unidirectional rotation, other structures are also arranged in the same manner as embodiment 3, and the working principle of the washing machine including the same is the same as that described in embodiment 2, and will not be repeated here.

Example 5

As shown in fig. 32 to 34, this embodiment discloses another washing tub with a spiral water flow channel, the washing tub 1 includes a front washing tub plate 6, a circumference 7 of the washing tub, and a rear washing tub plate 8, a spiral water flow channel 18 is disposed on the circumference 7 of the washing tub, the spiral water flow channel 18 is disposed in a spiral shape, one end of the spiral water flow channel 18 is communicated with the inside of the washing tub 1, the other end of the spiral water flow channel 18 is disposed outside the washing tub 1, the spiral water flow channel 18 disposed in a spiral shape means that centers of both ends of the spiral water flow channel 18 are not on the same circumference with a central axis of the washing tub as a center, and other structures are the same as those of embodiment 1, embodiment 2, embodiment 3, or embodiment 4.

Specifically, an included angle formed by the two ends of the spiral water flow channel 18 and the central axis of the washing tub on the circular projection taking the central axis of the washing tub 1 as the center of the circle is α, and an included angle formed by the two ends of the washing water surface 2 in the washing tub 1 and the central axis of the washing tub on the circular projection of the washing tub 1 during washing by the washing machine is β, α+.gtβ.

Preferably, the spiral running water channel 18 comprises a spiral water conduit 18-3, the spiral water conduit 18-3 is arranged on the outer wall of the circumference 7 of the washing barrel, one end of the spiral water conduit 18-3 is communicated with the washing barrel 1 through a water conduit outlet 18-4, and a water conduit water throwing port 18-5 formed at the other end of the spiral water conduit 18-3 is arranged outside the washing barrel 1.

Further, the projections of the two ends of the spiral water conduit 18-3 on a circle taking the central axis of the circumference 7 of the washing barrel as the center of the circle are arranged in an arc shape, and the included angle between the projections of the two ends of the spiral water conduit 18-3 on the circle and the center of the circle is not less than 90 degrees, preferably 100-180 degrees. The arrangement ensures that the arc length projected at the two ends of the spiral water flow channel 18 is larger than the arc length formed by the contact of the washing water surface 2 and the washing barrel on one hand, and improves the utilization efficiency of the outer wall of the circumference 7 of the washing barrel on the other hand.

Preferably, as shown in fig. 32, a plurality of spiral water flow channels 18 are provided, and the water conduit outlets 18-4 of the plurality of spiral water flow channels 18 may be disposed parallel to the central axis of the circumference 7 of the washing tub or may be disposed offset from each other.

Furthermore, the water diversion pipe water throwing ports 18-5 of the plurality of spiral water flowing channels 18 can be arranged in parallel with the central axis of the circumference 7 of the washing barrel or can be arranged in a staggered manner. The arrangement further improves the diversity and reliability of the outflow of the washing water in the washing barrel under the drainage working condition and the dehydration working condition.

Preferably, the spiral water conduit 18-3 is gradually contracted from the water conduit outlet 18-4 to the water conduit water throwing port 18-5. By way of example, the diameter of the water conduit outlet 18-4 is greater than the diameter of the water conduit water-throwing port 18-5, or the side of the spiral water conduit 18-3 adjacent to the water conduit outlet 18-4 is covered with a plurality of water conduit outlets 18-4, which prevents the washing tub from rotating at a high speed during dehydration, and the washing water adheres to the spiral water conduit 18-3 by centrifugal force without flowing out of the water conduit water-throwing port 18-5.

The present embodiment discloses another arrangement mode and a water flow structure of a washing tub with a drop selection type water flow channel, and other structures are also arranged in the same manner as in embodiment 3 or embodiment 4, and the working principle of the washing machine including the same is the same as that described in embodiment 2, and will not be described in detail here.

Example 6

As shown in fig. 36 to 38, this embodiment discloses a washing-free drum and a washing machine with a water-repellent rib, wherein the water-repellent rib 12 is disposed inside the washing tub 1, a first chamber 1201 is disposed inside the water-repellent rib 12, a water-repellent rib drain hole 12-4 is disposed on the first chamber 1201, the first chamber 1201 is communicated with the inside of the washing tub 1 through the water-repellent rib drain hole 12-4, a water flow channel 3 is disposed outside the washing tub 1, one end of the water flow channel 3 is communicated with the first chamber 1201, a water throwing structure 5 is formed at the other end of the water flow channel 3, and the water throwing structure 5 is disposed outside the washing tub 1. Other structures are the same as those of the other embodiments.

As an example, the water-drawing rib drain hole 12-4, the first chamber 1201, the water flow channel 3, and the water throwing structure 5 form a water flow pipeline on the washing tub 1, where the water flow pipeline includes one or more of a tub body water flow pipeline, a front plate water flow pipeline, and a rear plate water flow pipeline, that is, the water flow channel 3 may be formed in one or more of a tub body of the washing tub, a front end of the washing tub, and a rear end of the washing tub.

Preferably, the water-drawing rib 12 is arranged on the inner wall of the washing barrel 1, and the water-drawing rib 12 is arranged in an inclined manner from the front end close to the washing barrel to the rear end of the washing barrel.

Specifically, the water flow channel 3 is integrally arranged anticlockwise from one end close to the water-poking rib drain hole 12-4 to one end close to the water throwing structure 5, the water-poking rib 12 is integrally arranged in an gradually enlarged inclined shape from the front end close to the washing barrel to the rear end of the washing barrel, and the water flow channel 3 comprises a barrel body water flow pipeline and/or a front plate water flow pipeline. As an example, as shown in fig. 36, the water-shifting rib 12 is arranged from the front end of the washing tub, i.e. the side close to the water inlet 28, to the rear end of the washing tub, i.e. the side close to the flange 9, the water-shifting rib 12 is arranged in an inclined upward structure, the washing water surface is formed at the lower left corner under the action of clockwise high-speed rotation of the washing tub, the washing water is discharged outwards under the action of the inclined water-shifting rib, the washing water is accumulated at the water inlet, and the arranged tub body water flow pipeline and/or the front plate water flow pipeline are more convenient for water discharge, so that the washing working condition or the water discharge working condition is satisfied;

under the action of anticlockwise rotation, the washing water surface is formed at the lower right corner, under the action of the inclined water-shifting ribs, the washing water can be discharged to one side of the flange and accumulated on the inner side, and a rear plate water flowing pipeline is not arranged on the washing barrel, so that water leakage under the washing working condition is avoided.

Or, the water flow channel 3 is arranged clockwise from one end close to the water-shifting rib drain hole 12-4 to one end close to the water throwing structure 5, the water-shifting rib 12 is arranged gradually and gradually in a smaller inclined shape from the front end close to the washing barrel to the rear end of the washing barrel, and the water flow channel 3 comprises a barrel body water flow pipeline and/or a rear plate water flow pipeline.

Preferably, the cross section of the water-shifting rib 12 is triangular, the water-shifting rib 12 comprises a water drainage upstream surface 1202, and the water drainage upstream surface 1202 is the surface of the water-shifting rib 12 far away from the water throwing structure 5 communicated with the water drainage upstream surface. The arrangement is such that during the drain conditions, the drain upstream 1202 is turned against the wash water, which is more conducive to draining the wash water.

Further, the included angle between the two ends of the circular arc of the water flowing channel 3 and the center of the washing barrel 1 is 90-360 degrees, preferably 100-180 degrees.

Preferably, a plurality of running water pipelines, preferably 2-4 running water pipelines, can be arranged on the front plate 6 and the rear plate 8 of the washing barrel; a plurality of groups of water flowing pipeline devices, preferably 2-5 groups, are arranged on the circumference 7 of the washing barrel, and each group of water flowing pipeline devices is provided with a plurality of water flowing pipelines, preferably 2-4 water flowing pipelines.

Further, a plurality of water-repellent rib drain holes 12-4 are formed in the water-repellent ribs 12, the same water-repellent rib 12 is communicated with a plurality of water flow channels 3, and a water throwing structure 5 is arranged at the tail end of each water flow channel 3. This arrangement further improves the efficiency in draining water.

Preferably, a plurality of water-repellent ribs 12, preferably 2 to 6, are provided inside the washing tub 1.

Further, as shown in fig. 38, the water-draining upstream surface 1202 is in an arc-shaped concave shape, and a plurality of water-drawing rib water draining holes 12-4 are provided on the water-draining upstream surface 1202. This arrangement further improves the reliability and efficiency of the drainage of the flow channel 3.

Preferably, as some embodiments of the present invention, the water-drawing rib drain hole 12-4 is disposed in contact with the tub wall of the tub circumference 7. This arrangement further ensures the reliability and efficiency of the drainage of the flow channel 3.

The present embodiment discloses another arrangement mode and a flow structure of a washing-free drum with a water-pulling rib and a flow channel of a washing machine, other structures are the same as or similar to those of other embodiments, and the working principle of the washing machine including the same is the same as that described in embodiment 2, and will not be described in detail here.

Example 7

As shown in fig. 22 and 39-41, a schematic structural diagram of a washing tub with a water flow channel for bidirectional washing is disclosed, which comprises a washing tub 1 and a water flow channel 3 connected to the washing tub 1, wherein a valve is arranged at one end of the water flow channel 3, the water flow channel 3 is tubular or flat, and the water flow channel 3 is arranged outside the washing tub 1 and has the same structure or characteristics as those in other embodiments.

One end of the water flow channel 3 is communicated with the inside of the washing barrel 1, the other end of the water flow channel is arranged outside the washing barrel 1, and the water flow channel 3 is tightly connected to the outer wall of the washing barrel 1 and rotates along with the washing barrel 1. The washing barrel 1 is provided with a water draining structure 4, the water draining structure 4 is used for enabling water in the washing barrel 1 to flow to the water flowing channel 3, the other end of the water flowing channel 3 is provided with a water throwing structure 5, and the water throwing structure 5 is arranged outside the washing barrel 1.

Preferably, the inner wall of the washing barrel 1 is provided with a spiral water-shifting rib 12, and the water drainage structure 4 can also be arranged on the upstream surface of the water-shifting rib 12, so that water in the washing barrel 1 can enter the water flow channel 3 quickly during dehydration, and the dehydration time is shortened.

The water flowing channel 3 is tightly connected to the outer wall of the washing tub 1, the water flowing channel 3 is in an arc structure, two ends of the water flowing channel 3 are positioned on the same section taking the central axis of the washing tub 1 as the center of a circle, or two ends of the water flowing channel 3 can be respectively positioned on different sections taking the central axis of the washing tub 1 as the center of a circle, namely, the water flowing channels 3 can be spirally arranged. When the horizontal positions of the two ends of the water flowing channel 3 are lower than the washing water surface 2 in the process of rotating the washing barrel, water leakage of the washing barrel 1 is necessarily caused in the process of rotating the washing, so that at least one end of the horizontal positions of the two ends of the water flowing channel 3 is higher than the liquid surface, and preferably, the included angle between the projection of the two ends of the water flowing channel 3 on the same section taking the central shaft of the washing barrel 1 as the center of a circle and the center of the section is 90-360 degrees.

Preferably, a covering plate can be arranged outside the washing barrel 1, a convex or concave water channel groove is formed on the washing barrel 1 through rolling, and the covering plate and the water channel groove form a water flow channel. The washing barrel 1 comprises a washing barrel front plate 6, a washing barrel circumference 7 and a washing barrel rear plate 8, wherein a front plate water channel groove 6-3 is formed in the outer portion of the washing barrel front plate 6, a circumference water channel groove is formed in the washing barrel circumference 7, a rear plate water channel groove 8-3 is formed in the outer portion of the washing barrel rear plate 8, and the specific structure is the same as that of other embodiments.

In order to ensure that water in the washing barrel can not leak water in a washing state and can drain water rapidly under a dehydration working condition when the liquid level is lower and higher, preferably, the included angle between the projection of the two ends of the water flow channel 3 on the same section taking the central shaft of the washing barrel 1 as the center of a circle and the center of the section is 100-180 degrees. The water flow channels 3 may be provided in at least one group on the washing tub 1, and each group may be provided in 1 to 4, preferably in 2 to 3.

It is known that when a washing machine with two-way rotation is used for washing clothes, the washing time can be saved, and the effect of the washing machine is improved, but for a drum washing machine with a two-way rotation of a non-porous inner drum, how to provide a water flowing channel is watertight when a washing drum is used for washing and rotating, and the washing water can be quickly discharged when the washing drum is used for dewatering and rotating is a difficult problem. The invention realizes that the bidirectional rotary drum washing machine does not leak water when rotating at low speed by arranging the valve which can be opened and closed at one end of the water flowing channel, and can rapidly discharge the washing water when the washing barrel rotates at high speed in the reverse direction.

Therefore, the two-way rotation washing of the washing barrel can be realized by arranging a valve at one end of the water flowing channel 3 and controlling the opening and closing states of the valve, wherein the valve can be arranged as an elastic valve 35 or a gravity one-way valve 36, the elastic valve 35 or the gravity one-way valve 36 can both flow washing water in the washing barrel from the water flowing channel 3 to the outside of the washing barrel under the action of high-speed rotation centrifugal force of the washing barrel, and the rotating speed of the high-speed rotation of the washing barrel is not less than 80 r/min.

The invention also discloses a water draining method of the washing machine with bidirectional washing, as shown in fig. 40, the drum washing machine comprises a washing barrel 1, a water flowing channel 3 is arranged on the washing barrel 1, one end of the water flowing channel 3 is communicated with the washing barrel 1, a water draining structure 4 is arranged at the communicating part of the washing barrel and the water flowing channel 3, the rest positions are no holes, the other end of the water flowing channel 3 is formed outside the washing barrel, the projection of the water flowing channel 3 on a circle taking a central axis of the washing barrel as a center of a circle is arc-shaped or circular-shaped, the included angle formed by the two ends of the water flowing channel 3 and the central axis of the washing barrel on the circular projection of the washing barrel 1 is alpha, and the included angle formed by the two ends of a washing water surface in the washing barrel 1 and the central axis of the washing barrel on the circular projection of the washing barrel 1 is beta, alpha is larger than beta, so as to more clearly explain the working principle of the washing machine, the following definitions are made: defining the direction of the water flow channel from the water drainage structure 4 to the water throwing structure 5 as the direction of the water flow channel 3;

Under the washing working condition and the rinsing working condition, the rotating speed of the washing barrel 1 is not more than 80r/min, and the rotating direction of the washing barrel 1 is in the same direction or opposite direction with the water flowing channel 3; under the drainage working condition and the dehydration working condition, the rotation direction of the washing barrel 1 is opposite to the water flowing channel 3, the rotation speed of the washing barrel is increased, and after the rotation speed of the washing barrel 1 is greater than 80r/min, the valve of the water flowing channel is opened under the action of centrifugal force.

Example 8

As shown in fig. 40 to 42, this embodiment provides a bidirectional washing tub, in which a water flow channel 3 is provided on a side wall of the tub, and an elastic valve 35 is provided at one end of the water flow channel 3 to implement bidirectional rotation washing of the tub, and the water flow channel 3 has the same or similar structure as other embodiments.

The elastic valve 35 is disposed at the water throwing structure 5 of the water flow channel 3, specifically, the structure of the elastic valve 35 includes a return spring 31, a metal ball 32, a sealing door 33 and a rotating pin 34, when the washing tub is stationary, under the action of the return spring 31, the sealing door 33 covers the outer surface of the water throwing structure 5 of the water flow channel 3, and at this time, the elastic valve 35 is in a closed state to prevent water in the water flow channel 3 from flowing out of the water throwing structure 5.

As some examples of the present invention, the water-throwing structure 5 may be a water-throwing hole formed at one end of the water flow passage 3, and the water-discharging structure 4 may be a water-discharging hole formed at the washing tub 1.

Under the washing condition, if the rotation direction of the washing tub 1 is the same as the water flowing channel 3, the elastic valve 35 is closed, and the water in the washing tub 1 is not discharged. Likewise, under the washing condition, the rotation speed of the washing tub 1 is below 80r/min, and when the rotation direction of the washing tub 1 is opposite to the direction of the water flowing channel 3, the elastic valve 35 is still in a closed state, water in the washing tub 1 is not discharged, and the arrangement of the elastic valve 35 in the embodiment enables the non-porous washing tub washing machine to realize bidirectional rotation washing.

Under the dewatering working condition, the rotation direction of the washing barrel 1 is opposite to that of the water flow channel 3, the washing barrel 1 starts to rotate reversely at a high speed, when the rotation speed of the washing barrel 1 is higher than 80r/min, the centrifugal force generated by the metal ball 32 overcomes the pulling force of the return spring 31, the sealing door 33 is opened, water in the washing barrel 1 flows out from the water draining structure 4 to the water flow channel 3 and through the water throwing structure 5, and the higher the rotation speed of the washing barrel 1 is, the higher the centrifugal force generated by the metal ball 32 is, the larger the opening angle of the sealing door 33 is, and the higher the water outflow rate in the washing barrel 1 is.

The embodiment provides a washing barrel without holes, realizes bidirectional rotation washing, can effectively prevent water leakage of the washing machine, avoids secondary pollution to clothes, realizes automatic drainage, and has great popularization and application values.

Example 9

As shown in fig. 43 to 44, the present embodiment provides a tub for bidirectional washing, in which a water flow passage 3 is provided at a tub front plate 6 or a tub front plate 8 of a tub 1. When the water flow channel 3 is arranged on the front plate 6 of the washing tub 1, a water drainage structure 4 is arranged on the front plate 6 of the washing tub, the outer surface of the front plate 6 of the washing tub is covered with a layer of end water guide groove, the inner surface of the end water guide groove is provided with a semi-closed second water guide structure 17, and the second water guide structure 17 and the front plate 6 of the washing tub 1 form the water flow channel 3;

Similarly, an inwardly concave semi-closed front plate water channel 6-3 may be disposed on the outer surface of the front plate 6 of the washing tub, the front plate cover 6-6 covers the outer surface of the front plate water channel 6-3, the front plate cover 6-6 and the semi-closed front plate water channel 6-3 on the outer surface of the front plate 6 of the washing tub form a water channel 3, one end of the front plate water channel 6-3 coincides with the water draining structure 4 on the front plate 6 of the washing tub, the other end of the front plate water channel 6-3 forms a water throwing structure 5 of the water channel 3, the water throwing structure 5 is disposed at the edge of the front plate 6 of the washing tub, an elastic valve 35 is disposed at the water throwing structure 5, and the structure and working principle of the elastic valve 35 are the same as those of embodiment 7.

Under the washing working condition, when the rotating speed of the washing barrel 1 is below 80r/min, the elastic valve 35 is in a closed state no matter the rotating direction of the washing barrel 1 is in the same direction or opposite direction with the water flowing channel 3, and the water in the washing barrel 1 is not discharged; under the dewatering working condition, the rotation direction of the washing barrel 1 is opposite to the water flowing channel 3, when the rotation speed of the washing barrel 1 is higher than 80r/min, the elastic valve 35 is in an open state, and water in the washing barrel 1 flows into the second water guiding structure 17 through the water draining structure 4 and flows out of the water throwing structure 5 along with the rotation of the washing barrel 1.

The aporate washing barrel provided by the embodiment is provided with the water flowing channel at the front end or the rear end of the washing barrel, so that the cross section area of the washing barrel is effectively increased, and the volume for accommodating clothes is increased.

Example 10

As shown in fig. 45, the present embodiment provides a bidirectional washing tub, in which a water flow channel 3 is provided on a side wall of the tub 1, and a one-way valve 36 is provided at one end of the water flow channel 3 to implement bidirectional rotation washing of the tub. Wherein the check valve 36 is provided at the drain structure 4 of the water flow passage 3, and the check valve 36 is provided so as to be openable from inside to outside. Specifically, when the washing tub 1 is stationary, the check valve 36 is closed without an external force.

Under the washing working condition, the rotating speed of the washing barrel 1 is smaller than 80r/min, and when the rotating direction of the washing barrel 1 is the same as the flowing water channel 3, the water in the washing barrel 1 is not discharged. Similarly, under the washing condition, when the rotation direction of the washing tub 1 is opposite to the running water channel 3, the centrifugal force applied to the check valve 36 is smaller and still in the closed state due to the smaller rotation speed of the washing tub 1, and at this time, the water in the washing tub 1 cannot flow out, and the arrangement of the check valve 36 in this embodiment enables the hole-free inner tub washing machine to realize bidirectional rotation washing.

Under the dewatering working condition, the rotation direction of the washing barrel 1 is opposite to the water flowing channel 3, the washing barrel 1 starts to rotate reversely at a high speed, when the rotation speed of the washing barrel 1 is higher than 80r/min, the one-way valve 36 is opened outwards from the inside of the washing barrel due to the action of a large centrifugal force, and at the moment, water in the washing barrel 1 flows out from the water draining structure 4 to the water flowing channel 3 and through the water throwing structure 5, so that the dewatering of the washing machine is realized.

The one-way valve is arranged on the inner cylinder, so that the two-way washing function of the aporate inner cylinder washing machine is realized, and the one-way valve is simple in structure and convenient to maintain and replace in later period.

Example 11

As shown in fig. 46 to 48, the non-porous washing tub provided in this embodiment has one end of the drain structure 4 of the water flow path 3 extending into the inside of the washing tub 1 through the tub front plate 6. The water flow channel 3 is vertically inserted into the front plate 6 of the washing barrel, the water flow channel 3 in the washing barrel 1 points to the axis direction of the washing barrel 1, one end of the water flow channel 3 in the washing barrel 1 is provided with a water drainage structure 4, and the water drainage structure 4 is provided with a one-way valve 36. Under the washing working condition, the rotating speed of the washing barrel 1 is less than 80r/min, and when the rotating direction of the washing barrel 1 is the same as the flowing water channel 3, the water in the washing barrel 1 is not discharged; when the rotation direction of the washing tub 1 is opposite to the direction of the water flowing channel 3, the centrifugal force applied to the check valve 36 is small due to the small rotation speed of the washing tub 1, and the washing tub 1 is still closed, so that water in the washing tub 1 cannot flow out.

Under the dewatering working condition, the rotation direction of the washing barrel 1 is opposite to that of the water flowing channel 3, and along with the gradual increase of the rotation speed of the washing barrel 1, when the rotation speed of the washing barrel 1 is higher than 80r/min, the one-way valve 36 is opened from inside to outside under the action of a large centrifugal force, and at the moment, water in the washing barrel 1 flows out from the water draining structure 4 to the water flowing channel 3 and through the water throwing structure 5, so that the dewatering of the washing machine is realized.

In summary, the check valve 36 is opened by the centrifugal force generated when the washing tub 1 rotates at a high speed, and thus the direction of the drain structure 4 must be directed toward the axis of the washing tub.

As some embodiments of the present invention, when one end of the drain structure 4 of the water flow channel 3 extends into the interior of the tub 1 through the tub front 6, the body of the water flow channel 3 may be disposed on the outer surface of the tub front 6, or may be disposed on the side wall of the tub 1 near the tub front 6.

As shown in fig. 35, as some embodiments of the present invention, the present invention further provides a drum washing machine with bidirectional rotation, the drum washing machine includes the above-mentioned washing tub 1 and a water flow channel 3, a valve is disposed at one end of the water flow channel 3, and further includes an outer tub 20, a case 21 and a door cover 24, the outer tub 20 is concentrically disposed with the washing tub 1, a water outlet 25 is disposed at the bottom of the outer tub 20, a water outlet 26 is connected to the water outlet 25, and the water outlet 26 extends out through the case 21; the water inlet channel is provided with a rapid heating device; the water inlet channel comprises a water inlet hose 30 and a water spraying hose 22, the water inlet hose 30 is arranged at the top of the inside of the box body 21, one end of the water inlet hose is arranged on the box body 21 through a water inlet valve 19, the other end of the water inlet hose is communicated with the water spraying hose 22 through a washing box 29 arranged on the box body 21, the water spraying hose 22 is arranged at the inner front part of the box body 21 and is erected on the door cover 24 through a water spraying nozzle 23, and water sprayed from the water spraying nozzle 23 can pass through a water inlet 28 of the barrel cover 10 to enter the washing barrel 1; the water spray nozzle 23 and the water spray hose 22 are connected through a movable joint.

Example 12

The embodiment provides a washing machine drainage method for bidirectional washing, which comprises the following steps:

starting the washing machine, and selecting one of a washing working condition, a rinsing working condition or a dewatering working condition by a user;

under the washing working condition, the washing barrel starts to rotate, the rotation speed of the washing barrel is not more than 80r/min, a valve on the running water channel is in a closed state, the rotation direction of the washing barrel is the same as or opposite to the direction of the running water channel 3, the water inlet valve 19 is opened, tap water is injected into the washing barrel through the water inlet channel until reaching the liquid level height set by a washing program, and after the water injection is completed, the washing barrel continuously rotates bidirectionally to start washing;

under the dehydration working condition, the washing barrel rotates unidirectionally along the direction opposite to the direction of the water flowing channel 3, when the rotating speed of the washing barrel is greater than 80r/min, the valve of the water flowing channel is opened, and water in the washing barrel flows out through the water flowing channel.

Preferably, the included angle alpha formed by the two ends of the water flowing channel 3 and the central axis of the washing barrel on the circular projection of the washing barrel 1 is in the range of 90-360 degrees, preferably 100-180 degrees.

Further, the rinsing working condition is the same as the washing working condition.

According to the water draining method for the bidirectional washing machine, water in the washing barrel cannot flow into the space between the washing barrel and the outer barrel in the washing process, water consumption is saved, secondary pollution to clothes is avoided, and the effect that the bidirectional rotation washing of the hole-free inner barrel washing machine is watertight is achieved.

Example 13

As shown in fig. 49, the present embodiment provides a washing machine including an inclined tub, in which a water flow passage 3 is provided on a tub circumference 7 of the tub near a tub rear plate 8, or in which a water flow passage 3 is provided on the tub rear plate 8 near the tub circumference 7, and the structure or characteristics of the water flow passage 3 are the same as those of the other embodiments.

At one end of the water flow passage 3 is provided an elastic valve 35, which is used to wash the tub in a bi-directional rotation. The elastomeric valve 35 is identical in structure or features to the elastomeric valve in the other embodiments.

The elastic valve 35 is disposed at the water throwing structure 4 of the water flow channel 3, specifically, the structure of the elastic valve 35 includes a return spring 31, a metal ball 32, a sealing door 33 and a rotating pin 34, when the washing tub is stationary, under the action of the return spring 31, the sealing door 33 covers the outer surface of the water throwing structure 4 of the water flow channel 3, and at this time, the elastic valve 35 is in a closed state to prevent water in the water flow channel 3 from flowing out of the water throwing structure 4.

Under the washing condition, if the rotation direction of the washing tub 1 is the same as the direction of the water flowing channel 3, the elastic valve 35 is closed, and the water in the washing tub 1 is not discharged. Likewise, under the washing condition, the rotation speed of the washing barrel 1 is below 80r/min, and when the rotation direction of the washing barrel 1 is opposite to the direction of the water flowing channel 3, the elastic valve 35 is still in a closed state, water in the washing barrel 1 is not discharged, and the arrangement of the elastic valve 35 in the embodiment enables the inclined type hole-free inner barrel washing machine to realize bidirectional rotation washing.

Under the dewatering working condition, the rotation direction of the washing barrel 1 is opposite to the water flow channel 3, the washing barrel 1 starts to rotate reversely at a high speed, when the rotation speed of the washing barrel 1 is higher than 80r/min, the centrifugal force generated by the metal ball 32 overcomes the pulling force of the return spring 31, the sealing door 33 is opened, water in the washing barrel 1 flows out from the water discharge structure 5 to the water flow channel 3 through the water throwing structure 4, and the higher the rotation speed of the washing barrel 1 is, the higher the centrifugal force generated by the metal ball 32 is, the larger the opening angle of the sealing door 33 is, and the higher the water outflow rate in the washing barrel 1 is.

Preferably, when the water flow channel 3 is arranged at the position of the washing tub circumference 7 close to the washing tub rear plate 8, the valve on the water flow channel 3 may be arranged as a one-way valve 36, and the one-way valve 36 is arranged at one end of the water flow channel 3 close to the water drain structure 5.

The inclined washing barrel provided by the embodiment is convenient for users to take and put clothes, realizes bidirectional rotation washing, can effectively prevent water leakage of the washing machine, avoids secondary pollution to the clothes, realizes automatic drainage, and has great popularization and application values.

Example 14

As shown in fig. 50 to 54, the invention provides a washing-free washing tub with a washing tub door, comprising a washing tub 1, wherein the washing tub 1 is a washing tub with a water flowing channel 3, one end of the water flowing channel 3 is communicated with the washing tub 1 through a water draining structure 4, the other end of the water flowing channel 3 is communicated with a water throwing structure 5, the water throwing structure 5 is arranged outside the washing tub 1, the structure and characteristics of the water flowing channel 3 are the same as those of the water flowing channel in other embodiments, a washing tub door 39, a fixed ring 37 and a hinge 38 are arranged at the front end of the washing tub 1, the fixed ring 37 is arranged on a washing tub front plate 6 of the washing tub 1, the washing tub door 39 is connected with the fixed ring 37 through the hinge 38, the washing tub door 39 can rotate around the hinge 38, and the washing tub door 39 can be opened or closed relative to the washing tub 1.

The washing barrel door 39 is provided with a handle 40, the handle 40 is arranged on the washing barrel door 39, the handle 40 is arranged on one side far away from the hinge 38, the handle 40 is provided with a clamping hook 43 and a locking spring 41, the fixing ring 37 is provided with a clamping groove 44, the clamping groove 44 is matched with the clamping hook 43, and when the washing barrel door 39 is pushed to the fixing ring 37, the clamping hook 43 can be clamped into the clamping groove 44 to be fixed.

Preferably, the fixing ring 37 is provided with a door seal 45, and the door seal 45 is a rubber door seal, so that the sealing degree of the washing tub door 39 and the washing tub 1 is increased by arranging the door seal 45, and water is prevented from leaking or seeping from a gap between the washing tub door and the washing tub 1 and flowing into a space between the washing tub 1 and the outer tub.

Further, the washing tub door 39 can rotate around the hinge 38 by a certain angle, so that a user can conveniently open or close the washing tub door 39, the rotation angle is preferably 30-150 degrees, preferably 30-90 degrees, the handles 40 and the hinge 38 are symmetrically distributed on the washing tub door 39, and the user can open the washing tub door 39 more conveniently and more conveniently.

Further, the handle 40 can perform arc rotation relative to the tub door 39, and the arc rotation can rotate outwards relative to the tub door 39, or can rotate upwards or downwards relative to the tub door 39, so that the convenience of opening the tub door is further improved.

Further, the tub door 39 can integrally rotate with the tub 1.

Example 15

This example further describes a no-clean tub with a tub door based on example 14.

Preferably, the tub door 39 is provided with a positioning pin 3901, correspondingly, the fixing ring 37 is provided with a positioning hole 3701, the positioning pin 3901 can be inserted into the positioning hole 3701 under the centrifugal force of high-speed rotation of the tub 1, and the positioning pin 3901 is separated from the positioning hole 3701 when the tub is stationary.

The positioning pin 3901 is provided with an elastic component 3902, when the washing barrel 1 is dehydrated, the washing barrel door 39 is driven to rotate by rotating at a high speed, the positioning pin 3901 overcomes the elastic force of the elastic component 3902 and is inserted into the positioning hole 3701 under the action of centrifugal force, and the higher the rotating speed of the washing barrel 1 is, the longer the length of the positioning pin 3901 inserted into the positioning hole 3701 is, the more firm the fixing is; when the rotation of the washing tub 1 is stopped, the positioning pin 3901 is disengaged from the positioning hole 3701 by the elastic member 3902.

Working principle: the operator pushes the handle 40 to close the washing tub door 39, the washing tub door 39 is fixed on the fixed ring 37 through the clamping hook 43 and the locking spring 41, the door seal 45 seals the two, and the washing tub door 39 can rotate along with the washing tub 1; when the washing machine stops working, an operator pulls the handle 40 by hand, overcomes the locking force of the locking spring 41, and makes the clamping hook 43 separate from the clamping groove 44, and opens the washing barrel door 39, thereby facilitating the taking and putting of clothes.

The washing-free washing barrel with the washing barrel door can operate in different water level states of low water level, medium water level and high water level, avoids the phenomenon that washing water splashes out of the washing barrel and flows into the space between the inner barrel and the outer barrel in the washing process, improves the washing and rinsing capacities of the drum washing machine, saves water and electricity, and better achieves the washing effect.

Example 16

This embodiment further describes a washing-free drum type washing machine with a tub door based on embodiment 15.

As shown in fig. 55, the washing-free tub is disposed in the case 21, a magnet 42 is disposed on the handle 40 of the tub door 39, a position sensor 46 is disposed on the door cover 24 of the washing machine at a position opposite to the magnet 42, the position sensor 46 is connected to the main control computer board, in this embodiment, the washing machine has a function of positioning the tub 1, and when the rotation of the tub 1 of the washing machine is stopped, the tub door 39 on the tub 1 can be reliably opened.

Working principle: closing the washing tub door 39, closing the door cover 24, starting the washing machine, firstly detecting whether the door cover 24 is closed, sensing whether the washing tub door 39 is closed through the position sensor 46, judging that the washing tub door 39 is not completely buckled and cannot operate the machine if the position sensor 46 on the magnet 42 is relatively close to the door cover 24, and when the washing machine is in a cut-off alarming state, the washing tub door 39 needs to be closed again, and only after the washing tub door 39 is fixed on the washing tub 1 according to the setting, the washing machine can normally operate;

if the magnet 42 is far from the position sensor 46 on the door cover 24, it is judged that the tub door 39 is completely buckled, and the washing machine can be operated normally.

Example 17

As shown in fig. 1 to 55, this embodiment discloses a washing tub with a water flow channel, wherein the washing tub 1 is provided with the water flow channel 3, the water flow channel can integrally rotate relative to the washing tub 1, one end of the water flow channel 3 is communicated with the inside of the washing tub, the other end of the water flow channel 3 is arranged outside the washing tub 1, washing water in the washing tub can be discharged to the outside of the washing tub 1 through the water flow channel 3, an included angle formed by two ends of the water flow channel 3 and a central axis of the washing tub on a circular projection taking the central axis of the washing tub 1 as a center of a circle is alpha, and an included angle formed by two ends of a washing water surface 2 in the washing tub 1 and the central axis of the washing tub on a circular projection of the washing tub 1 during washing of the washing machine is beta, alpha is not less than beta.

Preferably, the value of alpha ranges from 90 degrees to 360 degrees, and the structure and the characteristics of the water flow channel are the same as those of the water flow channels in other embodiments.

In some embodiments of the present invention, the plurality of water flow passages 3 provided on the washing tub 1 may be provided in both directions. That is, some of the plurality of water flow passages may be counterclockwise and some of the other water flow passages may be clockwise.

The water flowing channel can be formed on the washing barrel 1 through rolling, and can also be formed through a water guiding groove structure, wherein the water guiding groove structure comprises a circumferential water guiding groove 13 and/or an end water guiding groove 16.

Further, the washing tub 1 includes a tub front plate 6, a tub circumference 7, and a tub rear plate 8, the water flow channel 3 provided on the tub circumference 7 is a spiral water flow channel 18, and two ends 18 of the spiral water flow channel are spirally provided.

Preferably, a plurality of the water flow passages 3 are provided in the washing tub 1.

Furthermore, a valve is arranged at one end of the water flowing channel 3, and can be opened under the action of centrifugal force when the washing barrel rotates at a high speed, and the rotating speed of the washing barrel at the high speed is 80 r/min. The valve is identical in structure and characteristics to the valves of the other embodiments.

In particular, the valve may be an elastic valve 35 and/or a one-way valve 36.

Preferably, a tub door 39 is provided on the tub 1, the tub door 39 is hinged to the tub, and the tub door 39 can rotate about the hinge 38, so that the tub door 39 can be opened or closed with respect to the tub 1.

Further, a handle 40 and a positioning pin 3901 are arranged on the washing tub door 39, the handle 40 is arranged on one side far away from the hinge 38, a clamping hook 43 and a locking spring 41 are arranged on the handle 40, a fixing ring 37 is arranged on the washing tub front plate 6, a clamping groove 44 and a positioning hole 3701 are arranged on the fixing ring 37, the clamping groove 44 is matched with the clamping hook 43, and when the washing tub door 39 is pushed to the fixing ring 37, the clamping hook 43 can be clamped into the clamping groove 44 to be fixed.

The embodiment also discloses a washing machine with a washing barrel with a water flowing channel, which comprises the washing barrel 1, wherein the outer barrel 20 is arranged on the outer side of the washing barrel 1, the water throwing structure 5 of the water flowing channel 3 is arranged between the washing barrel 1 and the outer barrel 20, the bottom of the outer barrel 20 is provided with a water outlet 25, and the water outlet 25 is connected with a water outlet 26.

The embodiment also discloses a drainage method of a drum washing machine, the drum washing machine comprises a washing barrel 1, a running water channel 3 is arranged on the washing barrel 1, one end of the running water channel 3 is communicated with the washing barrel 1, a communication part of the washing barrel 1 and the running water channel 3 is provided with a flow hole, other positions are pore-free, the other end of the running water channel 1 is formed outside the washing barrel, the projection of the running water channel 3 on a circle taking a central axis of the washing barrel as a center is arc-shaped or circular, an included angle formed by the two ends of the running water channel 3 and the central axis of the washing barrel on the circular projection of the washing barrel 1 is alpha, an included angle formed by the two ends of a washing water surface 2 in the washing barrel 1 and the central axis of the washing barrel on the circular projection of the washing barrel 1 during washing by the washing machine is beta, alpha is equal to beta, the washing machine is unidirectional to rotate under a washing condition, the clockwise direction formed by the running water channel 3 and the tail end of the running water channel 3 is equal to the clockwise direction formed during washing of the washing barrel, the rotation direction of the washing barrel is opposite to the rotation direction of the washing barrel under the washing condition, and the rotation direction of the washing barrel is equal to the rotation direction under the rotation condition of the washing condition.

The invention also discloses a drainage method of the drum washing machine, wherein a water flowing channel is arranged on the washing barrel, a valve is arranged at one end of the water flowing channel 3, or the washing machine comprises the washing barrel, the drum washing machine comprises a washing barrel 1, the water flowing channel 3 is arranged on the washing barrel 1, one end of the water flowing channel 3 is communicated with the washing barrel 1, a communication part of the washing barrel 1 and the water flowing channel 3 is provided with a flow hole, other positions are pore-free, the other end of the water flowing channel 1 is formed outside the washing barrel, the projection of the water flowing channel 3 on a circle taking the central axis of the washing barrel as the center of a circle is arc-shaped or circular-shaped, an included angle formed by two ends of the water flowing channel 3 and the central axis of the washing barrel on the circular projection of the washing barrel 1 is alpha, an included angle formed by two ends of a washing water surface 2 in the washing barrel 1 and the central axis of the washing barrel on the circular projection of the washing barrel 1 is beta, alpha is not equal to beta, the washing machine can rotate unidirectionally under a washing working condition, can also rotate bidirectionally back and forth, and unidirectionally under a dewatering working condition; when the washing working condition of the washing machine rotates unidirectionally, the clockwise direction formed from the communicating part of the water flowing channel 3 and the washing barrel to the tail end of the water flowing channel 3 is the same as the clockwise direction rotated when the washing barrel washes, the rotating direction of the washing barrel under the washing working condition is opposite to the rotating direction of the washing barrel under the drainage working condition, and the rotating direction of the washing barrel under the drainage working condition is the same as the rotating direction of the washing barrel under the dewatering working condition; when the washing working condition of the washing machine rotates bidirectionally, the clockwise direction formed from the communicating position of the water flow channel 3 and the washing barrel to the tail end of the water flow channel 3 is opposite to the rotation clockwise direction of the water discharge working condition and the dehydration working condition of the washing barrel 1.

Example 18

A first object of the present embodiment is to provide a water flow channel of a washing-free tub, which uses rotation and air resistance principles to realize automatic water drainage and water sealing, and reduce control devices to save costs.

A second object of the present embodiment is to provide a wash-free tub having a water flow passage, which effectively prevents reduction of washing water and improves reliability of drainage.

A third object of the present embodiment is to provide a washing machine without cleaning, in which the water flow channel and the water inlet channel are provided, thereby improving the automation of water inlet and water outlet.

According to the first object, the technical solution of this embodiment is as follows: the utility model provides a exempt from to wash water channel of washing bucket, includes the water hole that sets up on the washing bucket section of thick bamboo wall, water hole be linked together with the water groove that sets up on the washing bucket, the water groove on be equipped with the water gap, water hole, water groove and water gap between form a water channel, this water channel is circular-arc setting on taking the washing bucket center pin as the circumference of centre of a circle.

Further, the water flowing channel is arranged outside the wall of the washing barrel and/or at the end part.

Further, the water flow channel is flat or tubular.

Further, the included angle between the two ends of the circular arc of the water flow channel and the center of the washing barrel is 90-360 degrees.

Furthermore, the included angle between the two ends of the circular arc of the water flow channel and the center of the washing barrel is 100-180 degrees.

Further, the water flow channels can be arranged into one or more groups, each group is 2 to 4, and the water flow channels are concentrically and uniformly arranged around the center of the washing barrel.

According to the second object, the technical solution of this embodiment is as follows: the washing barrel manufactured by utilizing the water flow channel of the washing barrel is characterized in that one end of the water flow channel is communicated with the inside of the washing barrel through a water flow hole, the other end of the water flow channel is communicated with the outside of the washing barrel through a water flow hole, and the rotating direction of the washing barrel is the circumferential direction from the water flow Kong Shidian of the water flow channel to the end point of the water flow hole during a washing working condition; in the dewatering or draining condition, the rotation direction of the washing tub is the circumferential direction from the water inlet to the water outlet.

Further, the front end of the barrel wall of the washing barrel is connected with a front plate, and a barrel cover is arranged outside the middle of the front plate.

Further, the cylinder cover is connected with the front plate through a hinge or a buckle.

Furthermore, a water inlet which is convenient for water inflow is arranged in the middle of the cylinder cover.

Further, the washing machine also comprises a water-shifting rib, wherein the water-shifting rib is spirally arranged relative to the central shaft of the washing barrel.

According to the third object, the technical solution of this embodiment is as follows: the washing machine with the washing barrel further comprises an outer barrel, a box body and a door cover, wherein the outer barrel and the washing barrel are concentrically arranged, a water outlet is formed in the bottom of the outer barrel, a water drain pipe is connected to the water outlet, and the water drain pipe penetrates through the box body and stretches out.

Furthermore, the water inlet channel is provided with a rapid heating device.

Further, still include the passageway of intaking, the passageway of intaking include intake hose and water spray hose, intake hose set up at the box in top, its one end is installed on the box through the water intaking valve, the other end is linked together through washing powder box and the water spray hose of installing on the box, the water spray hose set up in the interior front portion of box to erect on the door closure through the water spout, in the water inlet that follows the water spout spun can pass the cover gets into the washing bucket.

Further, the water spray nozzle is connected with the water spray hose through a movable joint.

Compared with the prior art, the embodiment has the advantages that: the embodiment adopts the washing barrel with the water flowing channel, thereby saving water, avoiding secondary pollution and realizing the automation of water storage and drainage.

The product of the embodiment is characterized in that the inner cylinder end cover of the drum washing machine is provided with the water passing hole, and the washing water is kept and discharged according to the rotation principle of the washing barrel, so that the washing water is quickly discharged, dehydrated well, water-saving and environment-friendly.

The running water pipeline of the product of the embodiment is arc-shaped, so that the height of the liquid level in the washing barrel exceeds the height of the liquid level in the washing barrel under the washing state when two ports of the running water pipeline are in a parallel state.

The washing barrel of the product of the embodiment is applied to the drum washing machine, can realize the washing-free function of the drum washing machine, and has simple structure and reliable performance.

Specifically, referring to fig. 1 to 55, a schematic structural diagram of an embodiment of a water flow channel 3 of the washing-free tub of the present embodiment includes a water drainage structure 4 disposed on a wall of the tub 1, which may be a water through hole, the water drainage structure 4 is communicated with the water flow channel 3 disposed on the tub 1, a water throwing structure 5 is disposed on the water flow channel 3, a water flow channel 3 is formed among the water drainage structure 4, the water flow channel 3 and the water throwing structure 5, and the water flow channel 3 is disposed in a circular arc shape on a circumference taking a central axis of the tub 1 as a center of a circle; the water flowing channel 3 is arranged outside the wall of the washing barrel 1 and/or at the end part; the water flowing channel 3 is flat or tubular; the included angle between the two ends of the circular arc of the water flow channel 3 and the center of the washing barrel 1 is 100-180 degrees; the water flowing channels 3 can be arranged into one or more groups, each group is 2 to 4, and the water flowing channels are concentrically and uniformly arranged around the center of the washing barrel 1.

The washing barrel manufactured by the water flow channel 3 of the washing barrel is characterized in that one end of the water flow channel 3 is communicated with the inside of the washing barrel 1 through a water discharge structure 4, the other end of the water flow channel is communicated with the outside of the washing barrel 1 through a water throwing structure 5, and the rotating direction of the washing barrel 1 is the circumferential direction from the starting point of the water discharge structure 4 of the water flow channel 3 to the end point of the water throwing structure 5 during a washing working condition; in the dewatering or draining working condition, the rotation direction of the washing barrel 1 is the circumferential direction from the starting point of the water throwing structure 5 of the water flow channel 3 to the end point of the draining structure 4; the front end of the wall of the washing barrel 1 is connected with a washing barrel front plate 6, and a barrel cover 10 is arranged outside the middle of the washing barrel front plate 6; the barrel cover 10 is connected with the front plate 6 of the washing barrel through a hinge or a buckle; a water inlet 28 which is convenient for water inflow is arranged in the middle of the barrel cover 10; the washing machine also comprises a water-shifting rib 12, wherein the water-shifting rib 12 is spirally arranged relative to the central shaft of the washing barrel.

The washing machine with the washing barrel comprises a box body 21 and a door cover 24, wherein the outer barrel 20 and the washing barrel 1 are concentrically arranged, the washing barrel 1 is connected with a speed reducing clutch through a flange 9, a water outlet 25 is arranged at the bottom of the outer barrel 20, a water drain pipe 26 is connected to the water outlet 25, and the water drain pipe 26 extends out through the box body 21; the water inlet channel is provided with a rapid heating device; the water inlet channel comprises a water inlet hose 30 and a water spraying hose 22, the water inlet hose 30 is arranged at the inner top of the box body 21, one end of the water inlet hose 30 is arranged on the box body 21 through a water inlet valve 19, the other end of the water inlet hose 30 is communicated with a washing box 29, the washing box 29 is arranged on the box body 21, the washing box 29 is communicated with the water spraying hose 22, the water spraying hose 22 is arranged at the inner front part of the box body 21, the water spraying hose 22 is communicated with a water spraying nozzle 23, the water spraying nozzle 23 is erected on a door cover 24, and water sprayed from the water spraying nozzle 23 can pass through a water inlet 28 of the cylinder cover 10 to enter the washing cylinder 1; the water spray nozzle 23 and the water spray hose 22 are connected through a movable joint.

The side wall and the front plate of the washing barrel are respectively provided with a group of water flowing pipelines, one end of each pipeline is communicated with the inside of the washing barrel, and the opening at the other end of each pipeline is arranged between the washing barrel and the outer barrel. The flowing water pipeline is arc-shaped, and the included angle between the two ends of the flowing water pipeline and the center of the washing barrel is larger than 100 degrees, so that the liquid level in the washing barrel exceeds the liquid level in the washing state when the two ports of the flowing water pipeline are in a parallel state. When the washing barrel rotates along the opening direction of the pipeline, liquid in the washing barrel is discharged along the pipeline for draining and dehydrating, and when the washing barrel rotates along the opening direction of the pipeline, water in the washing barrel is not discharged, and the washing barrel is in a washing state.

The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.

Claims

1. The utility model provides a washing bucket with flow channel, its characterized in that set up flow channel (3) on washing bucket (1), flow channel can rotate as an organic whole relative washing bucket (1), flow channel (3) one end and the inside UNICOM of washing bucket, washing bucket and flow channel (3) UNICOM department set up the flow hole, and other positions are the hole-free, and the other end setting of flow channel (3) is in the outside of washing bucket (1), and the washing water in the washing bucket can be discharged to washing bucket (1) outside through flow channel (3), the contained angle that forms on the circular projection of taking the center pin of washing bucket (1) as the centre of a circle with the washing bucket center axis in both ends of washing bucket (1) is alpha, and the contained angle that forms on the circular projection of washing bucket (1) with the washing bucket center axis at the washing surface of washing bucket (2) in washing machine washing, alpha ∈beta.

2. A washing tub with a water flow channel according to claim 1, characterized in that the two ends of the water flow channel (3) are arranged in an arc shape on a circumference with the central axis of the washing tub as the center of the circle.

3. A washing tub with a water flow channel according to claim 1, characterized in that the washing tub (1) comprises a tub front plate (6), a tub circumference (7), a tub rear plate (8), the water flow channel (3) arranged on the tub circumference (7) is a spiral water flow channel (18), both ends of the spiral water flow channel (18) are arranged spirally.

4. A washing tub with a water flow channel according to claim 2 or 3, characterized in that the water flow channel (3) is provided in plurality on the washing tub (1).

5. The washing tub with the water flowing channel according to claim 4, wherein a valve is provided at one end of the water flowing channel (3), and the valve can be opened by centrifugal force when the washing tub rotates at a high speed, and the rotation speed of the washing tub is not less than 80 r/min.

6. A washing tub with a water flow channel according to claim 5, characterized in that a tub door (39) is provided on the washing tub (1), which tub door (39) is hinged to the washing tub, which tub door (39) can be turned around a hinge (38), which tub door (39) can be opened or closed in relation to the washing tub (1).

7. The washing tub with the water flowing channel according to claim 6, characterized in that a handle (40) and a positioning pin (3901) are arranged on the washing tub door (39), the handle (40) is arranged on one side far away from the hinge (38), a clamping hook (43) and a locking spring (41) are arranged on the handle (40), a fixing ring (37) is arranged on the washing tub front plate (6), a clamping groove (44) and a positioning hole (3701) are arranged on the fixing ring (37), the clamping groove (44) is matched with the clamping hook (43), and when the washing tub door (39) is pushed to the fixing ring (37), the clamping hook (43) can be clamped into the clamping groove (44) to be fixed.

8. A washing machine with a water flow channel washing barrel, characterized in that the washing machine with the water flow channel washing barrel comprises the washing barrel with the water flow channel according to any one of claims 1 to 7, an outer barrel (20) is arranged on the outer side of the washing barrel (1), a water throwing structure (5) of the water flow channel (3) is arranged between the washing barrel (1) and the outer barrel (20), a water outlet (25) is arranged at the bottom of the outer barrel (20), and a drain pipe (26) is connected to the water outlet (25).

9. A method for draining water of a drum washing machine, characterized in that: the drum washing machine comprises a washing barrel (1), a water flow channel (3) is arranged on the washing barrel (1), one end of the water flow channel (3) is communicated with the washing barrel (1), a communication position of the washing barrel (1) and the water flow channel (3) is provided with a flow hole, other positions are free of holes, the other end of the water flow channel (3) is formed outside the washing barrel, the projection of the water flow channel (3) on a circle taking a central axis of the washing barrel as a center of a circle is arc-shaped or circular, an included angle formed by two ends of the water flow channel (3) and the central axis of the washing barrel on the circular projection of the washing barrel (1) is alpha, an included angle formed by two ends of a water surface (2) in the washing barrel (1) and the central axis of the washing barrel on the circular projection of the washing barrel (1) during washing by the washing machine is beta, alpha is not less than beta, the washing machine is unidirectional in a drainage condition and in a dehydration condition, the clockwise direction formed by the water flow channel (3) and the tail end of the water flow channel (3) is the same as the direction of the rotation direction of the washing barrel during washing of the washing barrel, and the rotation direction of the water draining condition is the same as the rotation direction of the washing barrel in the rotation direction of the rotation condition of the washing barrel is opposite to the rotation direction of the washing barrel.

10. A method for draining water of a drum washing machine, characterized in that: the drum washing machine comprises a washing barrel with a water flowing channel and a washing machine comprising the washing barrel, wherein the washing barrel is provided with the water flowing channel (3), one end of the water flowing channel (3) is communicated with the washing barrel (1), the communicating part of the washing barrel (1) and the water flowing channel (3) is provided with a flowing hole, other positions are pore-free, the other end of the water flowing channel (3) is formed outside the washing barrel, the projection of the water flowing channel (3) on a circle taking a central axis of the washing barrel as a center of a circle is arc-shaped or circular-shaped, an included angle formed by the two ends of the water flowing channel (3) and the central axis of the washing barrel on the circular projection of the central axis of the washing barrel (1) is alpha, an included angle formed by the two ends of a washing water surface (2) in the washing barrel (1) and the central axis of the washing barrel on the circular projection of the washing barrel (1) during washing by the washing machine is beta, alpha is not less than beta, the washing machine can rotate back and forth in one direction under a washing working condition or can rotate in two directions, and can rotate in one direction under a dewatering working condition; when the washing working condition of the washing machine rotates unidirectionally, the clockwise direction formed from the communicating position of the water flowing channel (3) and the washing barrel to the tail end of the water flowing channel (3) is the same as the clockwise direction rotated when the washing barrel washes, the rotating direction of the washing barrel under the washing working condition is opposite to the rotating direction of the washing barrel under the drainage working condition, and the rotating direction of the washing barrel under the drainage working condition is the same as the rotating direction of the washing barrel under the dewatering working condition; when the washing working condition of the washing machine rotates bidirectionally, the clockwise direction formed from the communicating position of the water flowing channel (3) and the washing barrel to the tail end of the water flowing channel (3) is opposite to the rotation clockwise direction of the water draining working condition and the dewatering working condition of the washing barrel (1).