CN110725093A - A washing machine and its control method - Google Patents

Abstract

The invention discloses a washing machine and a control method thereof, wherein the washing machine comprises a clothes treatment barrel and a water/gas supply mechanism, the water/gas supply mechanism is provided with an outlet end communicated with the clothes treatment barrel, and water/gas is supplied to the clothes treatment barrel through the outlet end by the water/gas supply mechanism to form surging washing water flow in the clothes treatment barrel; the washing machine of the invention forms surging washing water flow rolling in the vertical direction in the clothes treatment barrel, improves the washing effect of clothes, and relieves the phenomena of clothes winding and serious clothes abrasion in the traditional washing mode.

Description

A washing machine and its control method

technical field

The invention belongs to the technical field of clothes treating devices, and in particular, relates to a washing machine and a control method thereof.

Background technique

The washing principle of the existing pulsator washing machine is developed by imitating the manual washing of clothes, and the main component that produces the mechanical action is the pulsator, which is located at the bottom of the clothes processing barrel. The washing machine controls the washing machine motor to run forward and reverse intermittently according to the set turn-to-stop ratio through the computer program controller, forming a vortex water flow to wash the clothes.

However, this kind of water flow is faster on the outside of the pulsator and slower on the inside. The clothes are constantly rotated and rolled with the water flow, and they are constantly squeezed toward the center, resulting in entanglement. The existing washing machine washing method forms an annular washing water flow in the clothes processing tub, the water flow is single in form, and the washing effect is general, and the washing water flow formed only by driving the washing water by the pulsator easily causes the clothes to be entangled and wears badly.

The present invention has been made in view of this.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a washing machine, which forms a surging washing water flow tumbling in a vertical direction in the clothes processing tub, improves the washing effect of clothes, and alleviates the problems of traditional washing methods. The phenomenon of clothing entanglement and serious wear and tear of clothing.

In order to solve the above-mentioned technical problems, the basic conception of the technical scheme adopted in the present invention is:

A washing machine includes a clothes processing tub and a water supply/air mechanism, the water supply/air mechanism has an outlet end communicating with the clothes treatment tub, the water supply/air mechanism feeds water/air into the clothes treatment tub through the outlet end, and is formed in the clothes treatment tub Surge wash water.

In the above solution, the washing machine includes a water supply/air mechanism, and a water supply/air mechanism to supply water/air to the inside of the laundry treatment tub, thereby forming a surging washing water flow in the laundry treatment tub, preferably, in the laundry treatment tub The surging washing water flow tumbling in the vertical direction is formed, thereby improving the washing effect of clothes, and alleviating the phenomenon of clothes entanglement and serious wear of clothes in traditional washing methods.

Preferably, the outlet end of the water supply/air mechanism is communicated with the clothes treatment tub at the bottom of the clothes treatment tub, water/air is fed into the clothes treatment tub, and a surging washing water flow is formed in the clothes treatment tub from bottom to top;

In the above solution, the water supply/air mechanism is connected to the bottom of the laundry treatment tub, and water/air is supplied upward from the bottom of the laundry treatment tub, so that a surging water flow effect is formed in the laundry treatment tub from bottom to top.

Preferably, the outlet end of the water supply/air mechanism is connected to the middle position of the bottom of the laundry treatment tub.

In the above solution, the water/air is strongly gushed from the central part of the clothes treatment barrel, forming a surging water flow effect that rolls from bottom to top in the vertical direction, thereby driving the clothes to form the effect of rolling from the center to the surrounding, and unwinding the clothes.

Preferably, the laundry treatment tub includes a rotatable inner tub and an outer tub for holding water, and the outlet end of the water supply/air mechanism is connected to the inner tub and/or the outer tub.

Preferably, a communication port is provided in the middle of the bottom of the inner tub, the water supply/air mechanism includes a channel portion arranged in the outer tub, the outlet of the channel portion is communicated with the communication port, and the water supply/air mechanism Water/air is fed into the inner tub through the channel part.

In the above solution, a channel part that communicates with the inner space of the inner tub is provided inside the outer tub of the washing machine, and the water supply/air mechanism feeds water/air into the inner tub through the channel part, so as to form a surging washing water flow inside the inner tub to prevent clothes from being washed. Winding wash.

Preferably, the channel portion includes a chamber isolated from the inside of the outer tub, the chamber communicates with a communication port on the inner tub, and the water supply/air mechanism supplies water/air to the communication port through the chamber. gas supply;

In the above solution, the inner chamber of the channel part is isolated from the inside of the outer tub, but communicated with the inner tub, thereby preventing the water/air supplied by the water supply/air mechanism from leaking out, which is conducive to the formation of a strong surging washing water flow, which is conducive to the formation of strong surging washing water flow. Perform efficient washing.

Preferably, the channel portion includes a cover, and the cover is installed on the inner surface of the outer tub and forms a chamber isolated from the inner surface of the outer tub, and the chamber communicates with the inner surface of the outer tub. mouth connected.

In the above solution, the structure of the channel portion is a cover structure, which is directly assembled with the inner surface of the outer tub to form an isolated chamber, which is simple in structure and reasonable in design.

Preferably, the channel portion includes an inlet, the water supply/air mechanism includes a water/air pump, the outlet end of the water/air pump is connected to the inlet through a water outlet/air pipeline, and the inlet end of the water/air pump is connected to the inlet through a water/air inlet. The pipeline is connected to the water source/air source;

Preferably, the outer tub is provided with a connection port, the water/air pump is communicated with the connection port through a water/air pipe, and the open end of the cover is provided on the inner surface of the bottom of the outer tub and covers the The connection port forms a chamber that is isolated from the interior of the outer barrel and communicated with the water/air pipe.

In the above solution, the cover body directly covers the connection port and the seal is installed on the outer barrel, and the water/air pump supplies water/air to the inner chamber of the cover body through the connection port. The structure is simple and the design is reasonable.

Preferably, the inner barrel is provided with a pulsator, the pulsator is provided with a channel connecting the communication port on the bottom of the inner barrel and the inner chamber of the inner barrel, the water/air enters the channel through the communication port on the bottom of the inner barrel, and then Enter the interior of the inner barrel through the said channel.

In the above solution, a pulsator can be rotatably installed in the inner tub of the washing machine, so that during the washing process, a vortex water flow can be formed in the horizontal direction, and the water/air pump can form a surging water flow from bottom to top, and the clothes can be washed. Under the action of various water flows, it can be completely washed, and the surging washing water flow from the bottom to the top can effectively unravel the entanglement of the clothes caused by the swirling water flow formed by the pulsator, improve the washing effect, and prevent Clothes are worn.

Preferably, the inlet end of the water pump is connected to the outer tub of the washing machine through a water inlet pipe, so as to guide the washing water in the outer tub into the inner tub, and form a surging washing water flow in the inner tub;

In the above solution, the water pump is pumped from the inside of the outer tub of the washing machine and supplied to the middle of the inner tub, thereby forming a surging washing water flow from the inside to the outside and from the bottom to the top, and the formed surging washing water flow is stronger.

Preferably, the inlet section of the water pump can also be directly connected to a water source to supply water to the interior of the inner tub, which can also form a surging washing water flow.

Preferably, the inlet end of the air pump is connected to the outside air through an air inlet pipe to pass the air into the inner tub of the washing machine to form a surging washing water flow, and the air inlet of the air inlet pipe is higher than the water level of the washing water in the washing machine.

In the above solution, the inlet end of the air pump is connected to the outside air, so as to supply air to the inside of the inner barrel, which can also form a spring washing water flow.

Preferably, the air pump can also be connected to a compressed air storage device, and the compressed air storage device can provide powerful high-pressure gas for the washing machine.

Preferably, the outlet of the channel part is rotatably and sealedly connected to the bottom of the inner barrel; the inlet of the channel on the pulsator is rotatably and sealedly connected to the bottom of the inner barrel;

In the above solution, the outlet of the channel part is rotatably and sealedly connected to the bottom of the inner barrel; the inlet of the channel on the pulsator is rotatably and sealedly connected to the bottom of the inner barrel, and the entire passage of the water supply/air mechanism is sealed. , prevent the leakage of water/air, ensure the power of water/air, and form a powerful surging washing water flow.

Preferably, the middle part of the bottom of the inner tub is assembled on the dehydration shaft of the washing machine, the outlet of the channel part is set as a first annular structure surrounding the dehydration shaft, and the bottom of the inner tub is protruded with a first convex ring structure, The first convex ring structure is rotatably and sealedly matched with the outlet of the channel portion, and a plurality of communication ports are arranged on the bottom of the inner barrel and located inside the first convex ring structure;

In the above solution, the sealing structure is press-fitted between the first annular structure and the first convex ring structure, which can still form a dynamic seal with the sealing structure even when the inner tub rotates.

Preferably, the channel includes a second annular structure protruding downward from the bottom of the pulsator, and a second convex ring structure surrounding each communication port is protruded upward from the bottom of the inner barrel, and the second annular structure on the pulsator protrudes upward. The structure is rotatably and sealedly matched with the second convex ring structure, and a plurality of injection holes are arranged on the pulsator inside the second annular structure. Therefore, during the rotation process of the pulsator, the jetting hole moves in a circular motion, and a surging washing water flow effect in a circular rotational motion is formed inside the washing chamber, so as to achieve an effect similar to that of a fountain.

Likewise, a sealing structure is press-fitted between the second annular structure and the second convex ring structure, and even when the pulsator rotates, a dynamic seal can still be formed with the sealing structure.

Further, if the requirements for the effect of surging washing water flow are not high, the above two sealing structures can also be cancelled, and the sealing is simply carried out in the form of dislocation matching between the convex ring structure and the annular structure. There is inevitably a gap between the convex ring structure and the annular structure, so the effect of the surging washing water flow of this structure is slightly weaker, but it can still be achieved.

Another object of the present invention is to provide a control method for a washing machine, the washing machine includes a clothes processing tub and a water supply/air mechanism, the water supply/air mechanism has an outlet end communicated with the clothes processing tub;

The control method includes: the water supply/air mechanism feeds water/air into the clothes treating tub through the outlet end, and forms a surging washing water flow in the clothes treating tub.

After adopting the above-mentioned technical scheme, the present invention has the following beneficial effects compared with the prior art:

The washing machine of the present invention includes a clothes processing tub and a water supply/air mechanism, the water supply/air mechanism has an outlet end communicating with the clothes treatment tub, the water supply/air mechanism feeds water/air into the clothes treatment tub through the outlet end, and is formed in the clothes treatment tub surging washing water flow; the washing machine of the present invention forms a surging washing water flow tumbling in a vertical direction in the clothes processing tub, improves the washing effect of clothes, and alleviates the phenomenon of clothes entanglement and serious wear of clothes in traditional washing methods.

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Description of drawings

The accompanying drawings, as a part of the present invention, are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings in the following description are only some embodiments, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort. In the attached image:

Fig. 1 is the structure schematic diagram of the washing machine of the present invention;

FIG. 2 is an enlarged view of part A in FIG. 1 .

In the figure: 1, outer barrel; 11, connecting port; 12, channel part, water flow channel; 120, outlet, inlet; 13, cover body; 15, water outlet, inlet; 2, inner barrel; 21, communication port; 22, The first convex ring structure; 23, the second convex ring structure; 3, the pulsator; 31, the channel; 311, the second ring structure; 4, the water/air pump; 5. Dehydration shaft; 121. The first annular structure; 6. Reducer; 7. Motor; 8. Sealing structure.

It should be noted that these drawings and written descriptions are not intended to limit the scope of the present invention in any way, but to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention , but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Example 1

Referring to Figures 1 and 2, the present embodiment provides a washing machine, including a clothes treatment tub and a water supply/air mechanism, the water supply/air mechanism has an outlet end communicating with the clothes treatment tub, and the water supply/air mechanism passes through the outlet end to the clothes treatment unit. Water/air enters the tub, forming a surging wash water flow in the laundry treatment tub.

In the above solution, the washing machine includes a water supply/air mechanism, and a water supply/air mechanism to supply water/air to the inside of the laundry treatment tub, thereby forming a surging washing water flow in the laundry treatment tub, preferably, in the laundry treatment tub The surging washing water flow tumbling in the vertical direction is formed, thereby improving the washing effect of clothes, and alleviating the phenomenon of clothes entanglement and serious wear of clothes in traditional washing methods.

Preferably, the outlet end of the water supply/air mechanism is communicated with the clothes treatment tub at the bottom of the clothes treatment tub, water/air is fed into the clothes treatment tub, and a surging washing water flow is formed in the clothes treatment tub from bottom to top;

In the above solution, the water supply/air mechanism is connected to the bottom of the laundry treatment tub, and water/air is supplied upward from the bottom of the laundry treatment tub, so that a surging water flow effect is formed in the laundry treatment tub from bottom to top.

Preferably, the outlet end of the water supply/air mechanism is connected to the middle position of the bottom of the laundry treatment tub.

In the above solution, the water/air is strongly gushed from the central part of the clothes treatment barrel, forming a surging water flow effect that rolls from bottom to top in the vertical direction, thereby driving the clothes to form the effect of rolling from the center to the surrounding, and unwinding the clothes.

Preferably, the laundry treatment tub includes a rotatable inner tub 2 and an outer tub 1 for holding water, and the outlet end of the water supply/air mechanism is connected to the inner tub 2 and/or the outer tub 1 .

Preferably, a communication port 21 is provided in the middle of the bottom of the inner tub 2 , the water supply/air mechanism includes a channel portion 12 arranged in the outer tub 1 , and the outlet of the channel portion 12 is connected to the communication port 21 Connected, the water/air mechanism feeds water/air into the inner tub 2 through the channel portion 12 .

In the above solution, a channel portion that communicates with the inner space of the inner tub 2 is provided inside the outer tub 1 of the washing machine, and the water supply/air mechanism feeds water/air into the inner tub 2 through the channel portion, thereby forming a surging washing water flow inside the inner tub 2, Anti-tangle wash clothes.

Preferably, the channel portion includes a chamber isolated from the interior of the outer tub 1, the chamber communicates with a communication port on the inner tub 2, and the water supply/air mechanism passes through the chamber to the communication port water/gas supply;

In the above solution, the inner chamber of the channel portion is isolated from the interior of the outer tub 1 and communicated with the inner tub 2, thereby preventing the water/air supplied by the water supply/air mechanism from leaking out, which is conducive to the formation of a strong surging washing water flow. Efficient washing of clothes.

Preferably, the channel portion 12 includes a cover body 13, and the cover body 13 is installed on the inner surface of the outer tub 1 and between the inner surface of the outer tub 1 to form a cavity isolated from the interior of the outer tub 1, the cavity The chamber communicates with the communication port 21 .

In the above solution, the structure of the channel portion 12 is the structure of the cover body 13, which is directly assembled with the inner surface of the outer tub 1 to form an isolated chamber, which is simple in structure and reasonable in design.

Preferably, the channel portion 12 includes an inlet, the water supply/air mechanism includes a water/air pump 4, the outlet end of the water/air pump 4 is connected to the inlet through a water/air pipe 41, and the inlet end of the water/air pump 4 Connect the water source/air source through the water/air pipeline 42;

Preferably, the outer tub 1 is provided with a connection port 11 , the water/air pump 4 communicates with the connection port 11 through the water/air pipe 41 , and the bottom open end of the cover body 13 is covered on the outer tub 1 . The inner surface of the bottom, and covering the connecting port 11, forms a chamber that is isolated from the interior of the outer barrel 1 and communicated with the water/air pipe 41. The top of the cover 13 is provided with a rotatable seal with the bottom of the inner barrel 2. The matching outlet 120 surrounds each communication port 21 at the bottom of the inner tub 2 .

In the above solution, the cover body 13 directly covers the connection port 11 and is sealed and installed on the outer tub 1, and the water/air pump 4 supplies water/air to the inner chamber of the cover body 13 through the connection port 11. The structure is simple and the design is Reasonable.

Preferably, the inner barrel 2 is provided with a pulsator 3, and the pulsator 3 is provided with a communication port 21 on the bottom of the inner barrel 2 and a channel 31 in the inner chamber of the inner barrel 2, and the water/air is communicated through the bottom of the inner barrel 2. The port 21 enters the passage 31 , and then enters the inner barrel 2 through the passage 31 .

In the above solution, a pulsator 3 can be rotatably arranged in the inner tub 2 of the washing machine, so that during the washing process, a vortex water flow can be formed in the horizontal direction, and the water/air pump 4 can form a surging washing from bottom to top Water flow, under the action of various water flows, the clothes can be completely washed, and the surging washing water flow from the bottom to the top can effectively unravel the entanglement of the clothes caused by the vortex water flow formed by the pulsator 3, which improves the washing effect. , and prevent clothing wear.

Preferably, the inlet end of the water pump 4 is connected to the outer tub 1 of the washing machine through the water inlet pipe 42, so as to guide the washing water in the outer tub 1 into the inner tub 2, and form a surging washing water flow in the inner tub 2;

In the above solution, the water pump 4 pumps water from the inside of the outer tub 1 of the washing machine and supplies it to the middle of the inner tub 2, thereby forming a surging washing water flow from the inside to the outside and from the bottom to the top, and the formed surging washing water flow is stronger.

Preferably, the outer periphery of the outer tub 1 is provided with a plurality of water outlets 15 around the outer tub 1 (only one water outlet 15 is shown in the drawings), and the inlet end of the water pump 4 is respectively provided with a plurality of water inlet pipes 42 . The water outlets 15 are communicated with each other.

Preferably, the inlet end of the water pump 4 can also be directly connected to a water source to supply water to the interior of the inner tub 2, which can also form a surging washing water flow.

Preferably, the inlet end of the air pump 4 is connected to the outside air through the air inlet pipe 42 to pass the air into the inner tub 2 of the washing machine to form a surging washing water flow, and the air inlet of the air inlet pipe is higher than the washing water in the washing machine. water level.

In the above solution, the inlet end of the air pump 4 is connected to the outside air, so as to supply air to the interior of the inner tub 2, which can also form a spring washing water flow.

Preferably, the air pump 4 can also be connected to a compressed air storage device, and the compressed air storage device can provide powerful high-pressure gas for the washing machine.

Preferably, the outlet 120 of the channel portion is rotatably and sealedly connected to the bottom of the inner barrel 2; the inlet of the channel 31 on the pulsator 3 is rotatably sealed and connected to the bottom of the inner barrel 2;

In the above solution, the outlet 120 of the channel part is rotatably and sealedly connected to the bottom of the inner barrel 2; the inlet of the channel 31 on the pulsator 3 is rotatably sealed and connected to the bottom of the inner barrel 2, then the water supply/air mechanism The entire passage is sealed to prevent the leakage of water/air, ensure the power of water/air, and form a powerful surging washing water flow.

Preferably, the middle part of the bottom of the inner tub 2 is assembled on the dehydration shaft 5 of the washing machine, the outlet 120 of the channel part 12 is arranged to surround the first annular structure 121 of the dehydration shaft 5, and the bottom of the inner tub 2 is protruded. There is a first convex ring structure 22, the first convex ring structure 22 and the outlet 120/121 of the channel part can be rotatably and sealedly matched, and the bottom of the inner barrel 2 is located inside the first convex ring structure 22. a plurality of communication ports 21;

In the above solution, the sealing structure 8 is press-fitted between the first annular structure 121 and the first convex ring structure 22 , and even when the inner tub 2 rotates, a dynamic seal can still be formed with the sealing structure 8 .

Preferably, the channel 31 includes a second annular structure 311 protruding downward from the bottom of the pulsator, and a second convex ring structure 23 surrounding each communication port is protruded upward from the bottom of the inner tub 2. The pulsator 3 The second annular structure 311 is rotatably and sealingly matched with the second convex ring structure 23 , and a plurality of injection holes are provided on the pulsator 3 inside the second annular structure 311 .

Likewise, the sealing structure 8 is press-fitted between the second annular structure 311 and the second convex ring structure 23 , and even when the pulsator 3 rotates, a dynamic seal can still be formed with the sealing structure 8 .

Further, if the requirements for the effect of surging washing water flow are not high, the above-mentioned two sealing structures 8 can also be cancelled, and the sealing is simply performed in the form of dislocation matching of the convex ring structure and the annular structure. There is inevitably a gap between the matching convex ring structure and the annular structure, so the effect of surging washing water flow of this structure is slightly weaker, but it can still be achieved.

The structure of the channel portion 12 will be described again here. The channel portion 12 includes a cover body 13, the bottom of the cover body 13 is set as an open end, and is matched with the bottom of the inner barrel 2, and the top of the cover body 13 is set to be circular The outlet 120, the circular outlet 120 is centered on the washing shaft/dehydrating shaft 5 of the washing machine, and is arranged around the washing shaft/dehydrating shaft 5, or in other words, the cover 13 is sleeved on the washing shaft/dehydrating shaft through the top circular outlet 120 Outside the dehydration shaft 5, an annular channel is formed between the circular outlet 120 and the washing shaft/dehydration shaft 5, and water/air enters the inner tub 2 through the annular channel. Further, the first convex ring structure 22 at the bottom of the inner tub 2 is rotatably matched with the circular outlet seal at the top of the cover 13, and the water/air directly enters the first convex ring structure 22 at the bottom of the inner tub 2 through the annular channel. Each communication port 21 .

Embodiment 2

The difference from the first embodiment is that the water supply/air mechanism feeds water/air into the outer periphery of the laundry treatment tub to form a surging washing water flow from outside to inside and from bottom to top.

Referring to Figures 1 and 2, the washing machine in the second embodiment includes a laundry processing tub and a water supply/air mechanism, the water supply/air mechanism has an outlet end communicating with the outer periphery of the laundry processing tub, and the water supply/air mechanism passes through the outlet The end feeds water/air into the laundry treatment tub to form a surging wash water flow in the laundry treatment tub.

In the above solution, the washing machine includes a water supply/air mechanism, and a water supply/air mechanism to supply water/air to the inside of the laundry treatment tub, thereby forming a surging washing water flow in the laundry treatment tub, preferably, in the laundry treatment tub The surging washing water flow tumbling in the vertical direction is formed, thereby improving the washing effect of clothes, and alleviating the phenomenon of clothes entanglement and serious wear of clothes in traditional washing methods. In this solution, the water supply/air mechanism is communicated with the outer peripheral portion of the laundry treatment tub, thereby forming a surging washing water flow from outside to inside.

Preferably, the clothes treatment tub comprises an outer peripheral tub wall and a tub bottom, and the outlet end of the water supply/air mechanism is connected to the bottom position of the outer peripheral tub wall, or is connected to the outer peripheral portion of the tub bottom;

In the above solution, the outlet end of the water supply/air mechanism is connected to the bottom position of the outer peripheral cylinder wall, so as to supply water/air to the upper part of the laundry treatment tub, thereby forming a surging washing water flow from bottom to top and from outside to inside, effectively Alleviates the entanglement of clothing.

Preferably, the outlet end of the water supply/air mechanism is connected to the bottom of the tub to supply water/air to the inside of the laundry treatment tub to form a surging wash water flow from bottom to top.

The above solution is a preferred solution, and the outlet end of the water supply/air mechanism is connected to the peripheral side of the bottom of the bucket to provide water/air to the inside of the laundry treatment bucket, and a surge from bottom to top and from outside to inside is formed in the laundry treatment bucket. Move the wash water flow.

Preferably, the laundry treatment tub includes a rotatable inner tub 2 and an outer tub 1 for holding water, and the outlet end of the water supply/air mechanism is connected to the outer periphery of the inner tub 2 and/or the outer tub 1 .

Preferably, the outer tub 1 is provided with an inlet 15 on the bottom peripheral side of the tub 1 that communicates with the inner chamber of the outer tub 1, and the water supply/air mechanism includes a water/air channel 42, and the water/air channel 42 is connected to the The inlet 15 is connected, and water/air is fed into the inlet 15.

In the above solution, because the size of the outer tub 1 is larger than that of the inner tub 2, the outlet end of the water supply/air mechanism is connected to the outer periphery of the outer tub 1, the structure is reasonable, and the surging washing water flow effect is good.

Preferably, the outer tub 1 is provided with a plurality of inlets 15 (only one is shown in FIG. 2 ) along the circumference of the bottom of the outer tub 1, and the water supply/air mechanism includes a plurality of water/air passages 42, each outlet The air passages 42 are connected to an inlet 15, respectively.

In the above solution, a plurality of inlets 15 are evenly arranged on the bottom peripheral side of the outer barrel 1, and the water supply/air mechanism feeds water/air into the outer barrel 1 through each inlet 15 to form a surging from the outside to the inside and from the bottom to the top Wash water flow. It is beneficial to disperse the clothes concentrated in the center of the inner tub 2 to the outer circumference, prevent the clothes from being entangled and worn, and improve the washing effect.

Preferably, the water supply/air mechanism includes a water/air pump 4, and the outlet end of the water/air pump 4 is connected to the inlet of the outer peripheral portion of the outer tub 1 through at least one water/air passage 42, and the inlet of the water/air pump 4 The end is connected to the water source/air source through the water/air channel.

Preferably, the inlet end of the water pump 4 is connected to the middle position of the bottom of the inner tub 2/outer tub 1 through the water inlet channel, so as to guide the washing water in the middle of the inner tub 2/or the outer tub 1 into the outer periphery of the outer tub 1;

In the above solution, the water pump 4 guides the washing water in the bottom center of the inner tub 2 or the outer tub 1 to the outer periphery of the outer tub 1, which is beneficial to enhance the strength of the surging washing water flow and improve the washing effect.

The inlet end of the air pump 4 communicates with the outside air through an air inlet passage, and the air inlet of the air inlet passage is higher than the water level of the washing water in the washing machine.

Preferably, the air pump 4 can also be connected to a compressed air storage device, and the compressed air storage device can provide powerful high-pressure gas for the washing machine.

Preferably, the bottom of the inner tub 2 is provided with a communication port 21 that communicates with its internal chamber, the water inlet channel includes a water flow channel 12 arranged in the outer tub 1, and the water flow channel 12 is communicated with the communication port 21, The water pump 4 extracts washing water from the inner tub 2 through the water flow channel 12 and supplies the washing water to the outer periphery of the outer tub 1 through the water outlet channel, thereby forming a surging wash water flow from bottom to top in the washing machine.

In the above scheme, through the design of the communication port and the water inlet channel, the washing water in the inner tub 2 is introduced into the outer periphery of the outer tub 1, which is conducive to the formation of a powerful surging washing water flow and improves the washing effect.

Preferably, the water flow channel 12 includes a chamber isolated from the interior of the outer tub 1, the chamber communicates with the communication port on the inner tub 2, and the water pump 4 extracts washing water from the interior of the inner tub through the chamber;

In the above solution, the inner chamber of the water flow channel 12 is isolated from the interior of the outer tub 1 and communicated with the inner tub 2, thereby preventing the water supplied by the air supply mechanism from leaking out, which is conducive to the formation of a strong surging washing water flow, which is beneficial to the clothes. Perform efficient washing.

Preferably, the water flow channel 12 includes a water outlet, and the inlet end of the water pump 4 is connected to the water outlet through a water inlet pipe 41;

Preferably, the water flow channel 12 includes a cover body 13, and the cover body 13 is installed on the inner surface of the outer tub 1 and between the inner surface of the outer tub 1 to form a chamber isolated from the interior of the outer tub 1;

Preferably, the outer tub 1 is provided with a connection port 11 , the water pump 4 is connected to the connection port 11 through a water inlet pipe 41 , the bottom open end of the cover 13 is covered on the inner surface of the bottom of the outer tub 1 , And cover the connection port to form a chamber that is isolated from the interior of the outer barrel 1 and communicated with the water inlet pipe 41 of the water pump 4. The top of the cover body 13 is provided with an inlet 120 that can be rotatably and sealed with the bottom of the inner barrel 2. , the inlet 120 surrounds each communication port 21 at the bottom of the inner tub 2 .

In the above solution, the cover body 13 directly covers the connection port 11 and is sealed and installed on the outer tub 1, and the water pump 4 extracts washing water from the inner chamber of the cover body 13 through the connection port. The structure is simple and the design is reasonable.

Preferably, the inner tub 2 is provided with a pulsator 3, and the pulsator 3 is provided with a channel 31 connecting the communication port 21 on the bottom of the inner tub 2 and the inner chamber of the inner tub 2, and the washing water enters the inner tub 2 through the channel 31 The communication port 21 enters the water flow channel 12 in the outer tub 1, and then enters the outer tub 1 from the outside of the outer tub 1 through the water outlet channel 12 under the action of the water pump 4, thereby forming a circulating water path.

In the above solution, a pulsator 3 can be rotatably arranged in the inner tub 2 of the washing machine, so that during the washing process, a vortex water flow can be formed in the horizontal direction, and the water/air pump 4 can form a surging washing from bottom to top Water flow, under the action of various water flows, the clothes can be completely washed, and the surging washing water flow from the bottom to the top can effectively unravel the entanglement of the clothes caused by the vortex water flow formed by the pulsator 3, which improves the washing effect. , and prevent clothing wear.

Preferably, the inlet 120 of the water flow channel is rotatably and sealedly connected to the bottom of the inner tub 2; the outlet end of the channel 31 on the pulsator 3 is rotatably sealed and connected to the bottom of the inner tub 2;

In the above solution, the inlet of the water flow channel is rotatably and sealedly connected to the bottom of the inner barrel 2; the outlet end of the channel on the pulsator 3 is rotatably sealed and connected to the bottom of the inner barrel 2, then the entire water supply/air mechanism The passages are all sealed to prevent the leakage of water/air, ensure the power of water/air, and form a powerful surging washing water flow.

Preferably, the middle of the bottom of the inner tub 2 is assembled on the dehydration shaft 5 of the washing machine, the water flow channel inlet 120 is arranged as a first annular structure 121 surrounding the dehydration shaft 5, and the bottom of the inner tub 2 protrudes with a A first convex ring structure 22, the first convex ring structure 22 is rotatably and sealingly matched with the inlet of the water flow channel, and a plurality of communication ports 21 are provided on the bottom of the inner tub 2 inside the first convex ring structure 22 ;

In the above solution, the sealing structure 8 is press-fitted between the first annular structure 121 and the first convex ring structure 22 , and even when the inner tub 2 rotates, a dynamic seal can still be formed with the sealing structure 8 .

Preferably, the channel includes a second annular structure 311 protruding downward from the bottom of the pulsator 3 , and a second convex ring structure 23 surrounding each communication port 21 protruding upward from the bottom of the inner tub 2 . The second annular structure 311 on 3 is rotatably and sealedly matched with the second convex ring structure 23 , and the pulsator 3 is provided with a number of water outlet holes inside the second annular structure 311 .

Likewise, the sealing structure 8 is press-fitted between the second annular structure 311 and the second convex ring structure 23 , and even when the pulsator 3 rotates, a dynamic seal can still be formed with the sealing structure 8 .

Further, if the requirements for the effect of surging washing water flow are not high, the above-mentioned two sealing structures 8 can also be cancelled, and the sealing is simply performed in the form of dislocation matching of the convex ring structure and the annular structure. There is inevitably a gap between the matching convex ring structure and the annular structure, so the effect of surging washing water flow of this structure is slightly weaker, but it can still be achieved.

The structure of the water flow channel will be described again here. The water flow channel includes a cover body 13. The bottom of the cover body 13 is set as an open end, which is matched with the bottom of the inner barrel 2. The top of the cover body 13 is set as a circular inlet 120. , the circular inlet 120 is centered on the washing shaft/dehydrating shaft 5 of the washing machine, and is arranged around the washing shaft/dehydrating shaft 5, or in other words, the cover 13 is sleeved on the washing shaft/dehydrating shaft through the top circular inlet 120 5, an annular channel is formed between the circular inlet 120 and the washing shaft/dewatering shaft 5, and the washing water flows out of the inner tub 2 through the annular channel and enters the water flow channel 12. Further, the first convex ring structure 22 at the bottom of the inner tub 2 is sealed and rotatably matched with the circular inlet 120 at the top of the cover 13, and the washing water enters the water flow through each communication port 21 in the first convex ring structure 22 at the bottom of the inner tub 2. Inside the channel 12 , and then flow out of the inner tub 2 .

Embodiment 3

This embodiment provides the control method of the washing machine in the above-mentioned first or second embodiment;

With regard to the washing machine of the first embodiment: the outlet end of the water supply/air mechanism is connected to the bottom center of the clothes treatment tub, and the control method is that the water/air mechanism feeds water/air into the clothes treatment tub through the outlet end, and then the control method is as follows: The washing water flow is formed in the laundry treatment bucket from the inside to the outside and from the bottom to the top.

Regarding the washing machine in the second embodiment: the water supply/air mechanism has an outlet end that communicates with the outer periphery of the laundry treatment tub, and the water supply/air mechanism feeds water/air into the clothes treatment tub through the outlet end, forming a A surging flow of washing water from the outside to the inside, from the bottom to the top.

Further, the washing machine includes a washing program that only controls the water supply/air mechanism to feed water/air into the laundry treatment tub. During this process, the laundry is washed by forming a surging washing water flow in the vertical direction.

Further, the washing machine also includes a washing program that controls the rotation of the pulsator 3 and the water/air intake of the water supply/air mechanism: for example, while the washing machine controls the rotation of the pulsator 3, it also controls the water/air mechanism to enter the water/air into the clothes processing bucket. , so that in the washing process, the pulsator 3 forms a swirling water flow, and the water/air pump 4 forms a surging washing water flow from bottom to top. The surging washing water flow also effectively untangles the clothes caused by the swirling water flow formed by the pulsator 3, which improves the washing effect and prevents the clothes from being worn out.

Of course, the washing machine can also control the pulsator 3 and the water supply/air mechanism to run alternately. First control the pulsator 3 to rotate for a certain period of time, then pause the pulsator 3 to control the water supply/gas mechanism to disperse the concentrated clothes, and then control the The pulsator 3 runs to wash the clothes, and in such a cycle, the entanglement of the clothes is effectively avoided, and the washing effect of the clothes is improved.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Within the scope of the technical solution of the present invention, personnel can make some changes or modifications to equivalent examples of equivalent changes by using the above-mentioned technical content, but any content that does not depart from the technical solution of the present invention is based on the technical solution of the present invention. Substantially any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the solutions of the present invention.

Claims (10)

1. A washing machine includes a laundry treating tub and a water/gas supply mechanism having an outlet end communicating with the laundry treating tub, the water/gas supply mechanism supplying water/gas into the laundry treating tub through the outlet end to form a surging washing water flow in the laundry treating tub.

2. The washing machine as claimed in claim 1, wherein the outlet of the water/air supply mechanism is connected to the laundry treating tub at the bottom of the laundry treating tub, and supplies water/air into the laundry treating tub to form a washing water flow surging from bottom to top in the laundry treating tub;

preferably, the outlet end of the water/air supply mechanism is connected to a middle position of the bottom of the laundry treating tub.

3. A washing machine as claimed in claim 1 or 2 wherein the laundry treatment tub comprises a rotatable inner tub and an outer tub for holding water, the outlet of the water/air supply means being connected to the inner tub and/or the outer tub.

4. The washing machine as claimed in claim 3, wherein a communication port is formed at a middle position of the bottom of the inner tub, the water/air supply mechanism includes a passage portion provided in the outer tub, an outlet of the passage portion is communicated with the communication port, and the water/air supply mechanism supplies water/air to the inner tub through the passage portion.

5. A washing machine as claimed in claim 4, wherein the passage portion includes a chamber isolated from the inside of the outer tub, the chamber being in communication with a communication port of the inner tub, the water/air supply mechanism supplying water/air to the communication port through the chamber;

preferably, the channel part comprises a cover body, the cover body is arranged on the inner surface of the outer barrel, a cavity isolated from the inner part of the outer barrel is formed between the cover body and the inner surface of the outer barrel, and the cavity is communicated with the communication port.

6. A washing machine as claimed in claim 4 or 5 wherein the ducting part includes an inlet, the water/air supply comprises a water/air pump, an outlet of the water/air pump communicates with the inlet via a water/air outlet duct, and an inlet of the water/air pump communicates with a water/air supply via a water/air inlet duct;

preferably, the outer barrel is provided with a connecting port, the water/air pump is communicated with the connecting port through a water/air outlet pipeline, the opening end cover of the cover body is arranged on the inner surface of the bottom of the outer barrel and covers the connecting port to form a cavity which is isolated from the inside of the outer barrel and communicated with the water/air outlet pipeline, the top end of the cover body is provided with an outlet which is rotatably, hermetically and cooperatively matched with the bottom of the inner barrel, and the outlet surrounds each communicating port of the bottom of the inner barrel.

7. A washing machine as claimed in any one of claims 3 to 6 wherein the inner tub is internally provided with a pulsator, the pulsator is provided with passages for communicating the communication port in the bottom of the inner tub with the chamber in the inner tub, and the water/air is introduced into the passages through the communication port in the bottom of the inner tub and then from the passages into the interior of the inner tub.

8. The washing machine as claimed in claim 7, wherein the outlet of the passage part is rotatably and hermetically connected to the bottom of the inner tub; the inlet of the channel on the impeller is rotatably and hermetically connected with the bottom of the inner barrel;

preferably, the middle part of the bottom of the inner barrel is assembled on a dewatering shaft of the washing machine, the outlet of the channel part is arranged to be a first annular structure surrounding the dewatering shaft, the bottom of the inner barrel is convexly provided with a first convex ring structure, the first convex ring structure is in rotatable sealing fit with the outlet of the channel part, and a plurality of communication ports are arranged in the first convex ring structure on the bottom of the inner barrel;

the channel comprises a second annular structure which is arranged at the bottom of the impeller in a downward protruding mode, a second convex ring structure which surrounds each communication port is arranged at the bottom of the inner barrel in an upward protruding mode, the second annular structure on the impeller is in rotatable sealing fit with the second convex ring structure, and a plurality of injection holes are formed in the impeller, located inside the second annular structure.

9. A washing machine as claimed in claim 6 or 7 wherein the inlet end of the pump is connected to the outer tub of the washing machine via a water inlet conduit to direct wash water from the outer tub into the inner tub, forming a surging flow of wash water in the inner tub;

preferably, the outer periphery of the outer barrel is provided with a plurality of water outlets around the outer barrel, and the inlet end of the water pump is respectively communicated with the water outlets through a plurality of water inlet pipes;

the inlet end of the air pump is communicated with the outside air through an air inlet pipeline so as to introduce the air into the inner barrel of the washing machine to form surging washing water flow, and the air inlet of the air inlet pipeline is higher than the water level of the washing water in the washing machine.

10. A control method of a washing machine, the washing machine including a laundry treating tub and a water/air supply mechanism having an outlet port communicating with the laundry treating tub, the control method comprising: the water/air supply mechanism supplies water/air to the laundry treating tub through the outlet end to form a surging washing water flow in the laundry treating tub.