CN114318773A - Washing machine - Google Patents

Abstract

The invention discloses a washing machine comprising: an inner barrel; the outer barrel is coaxially arranged outside the inner barrel; the driving device is arranged on the outer side of the bottom wall of the outer barrel and is in driving connection with the inner barrel; the air supply device is arranged outside the outer barrel, and supplies air into the inner barrel through the air inlet channel to form surging washing water flow in the inner barrel; along the central axis direction of the outer barrel, the area covered by the projection of the driving device on the bottom wall of the outer barrel is a first area, a conduction opening is arranged on the bottom wall of the outer barrel outside the first area, and the air inlet channel can penetrate through the conduction opening or is connected to the conduction opening to realize the communication with the inner part of the inner barrel. The washing machine of the invention relieves the phenomenon of serious clothes winding and abrasion in the traditional washing mode, improves the washing effect of clothes, and enables the air inlet channel to be positioned outside the driving device through the conduction opening arranged on the bottom wall of the outer barrel outside the first area, thereby effectively solving the problem of interference between the air inlet channel and the driving device and improving the universality of the driving device.

Description

Washing machine

Technical Field

The invention belongs to the field of clothes treatment devices, and particularly relates to a washing machine.

Background

The washing principle of the existing impeller washing machine is developed by simulating manual washing of clothes, and the main component generating mechanical action is an impeller which is positioned at the bottom of an inner barrel. The washing machine controls the motor of the washing machine to intermittently perform positive and negative operation according to a set rotation-stop ratio through a computer program controller to form vortex water flow to wash clothes. However, the water flow has a high speed at the outer side of the impeller and a low speed at the inner side, and the clothes continuously rotate and roll along with the water flow and are continuously extruded to the center, so that the winding is generated. The washing method of the existing washing machine forms annular washing water flow in the inner barrel, the water flow form is single, the washing effect is common, and the washing water flow formed by only driving the washing water through the impeller easily causes the clothes to be wound and seriously abraded.

In order to solve the above problems, those skilled in the art have developed a washing machine that uses an air supply device to supply air into an inner tub and form a surging washing water flow in the inner tub to solve the problems of clothes winding and serious wear, however, in the washing machine provided by the invention, an air inlet channel of the air supply device needs to pass through a driving device installed on the bottom wall of the outer tub to realize communication with the inside of the inner tub, in order to meet the different trend requirements of the air inlet channel, the structure of the driving device needs to be changed adaptively, so that the driving device has low universality, and the driving devices of various structural types also increase the design and manufacturing cost of the driving device, thereby increasing the production cost of the washing machine.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art, and provide the washing machine which can effectively solve the problem of interference between an air inlet channel and a driving device and has higher universality of the driving device.

In order to solve the technical problems, the invention adopts the technical scheme that:

a washing machine comprising:

an inner barrel;

the outer barrel is coaxially arranged outside the inner barrel;

the driving device is arranged on the outer side of the bottom wall of the outer barrel and is in driving connection with the inner barrel;

the air supply device is arranged outside the outer barrel, and supplies air into the inner barrel through the air inlet channel to form surging washing water flow in the inner barrel;

along the central axis direction of the outer barrel, the area covered by the projection of the driving device on the bottom wall of the outer barrel is a first area, a conduction opening is arranged on the bottom wall of the outer barrel outside the first area, and the air inlet channel can penetrate through the conduction opening or is connected to the conduction opening to realize the communication with the inner part of the inner barrel.

Further, the driving device comprises a speed reduction clutch arranged at the center position of the bottom wall of the outer barrel, and the area covered by the projection of the speed reduction clutch on the bottom wall of the outer barrel along the direction of the central axis of the outer barrel is a first area;

the bottom wall of the outer barrel is composed of a first area positioned in the center and a second area positioned on the periphery of the first area, the conduction opening is formed in the second area of the bottom wall of the outer barrel, a communication component for communicating the inner barrel with the air inlet channel is arranged in the outer barrel, and the air inlet channel can penetrate through the conduction opening or is connected to the conduction opening and communicated with the communication component.

Further, an inner barrel communicating port is formed in the bottom wall of the inner barrel, a cavity isolated from the outer barrel is formed in the communicating component, and the cavity is provided with an air inlet end communicated with the air inlet channel and an air outlet end communicated with the inner barrel communicating port;

the air inlet passage comprises a first air inlet passage positioned between the air supply device and the conduction opening and a second air inlet passage positioned between the air inlet end of the communication part and the conduction opening;

the inlet end of the second air inlet channel can extend out of the conduction opening to be connected with the first air inlet channel; or the inlet end of the second air inlet channel is connected to the conduction opening, and the first air inlet channel is communicated with the second air inlet channel through the conduction opening;

preferably, the second intake passage is provided integrally with the communication member.

Furthermore, the communication component is an annular communication component which surrounds the output shaft of the speed reduction clutch and is arranged in a hollow manner, the lower part of the annular communication component is fixed on the inner wall surface of the bottom wall of the outer barrel, and an air outlet end which is in rotatable sealing fit with the inner barrel communication port is arranged above the annular communication component;

the peripheral side wall of the annular communication component is provided with a first connecting port, the second air inlet channel comprises a first transverse pipe arranged between the first connecting port and the conducting port, and one end of the first transverse pipe is connected to the first connecting port while the other end of the first transverse pipe vertically extends downwards to form a first vertical pipe;

the first vertical pipe extends out of the outer barrel through the conduction opening and is connected with the first air inlet channel, and the first vertical pipe is located on the outer side of the speed reduction clutch and is provided with a spacing space between the first vertical pipe and the outer peripheral wall of the speed reduction clutch.

Further, a sealing structure is arranged on the conduction opening of the first vertical pipe and/or the bottom wall of the outer barrel;

preferably, the sealing structure is an annular sealing ring sleeved on the first vertical pipe, and the annular sealing ring is sealed between the peripheral wall of the first vertical pipe and the conduction opening.

Furthermore, an inner barrel drainage pipeline capable of draining washing water in the inner barrel is connected to the lower port or the conduction port of the second air inlet channel, and the inner barrel drainage pipeline is arranged outside the driving device;

preferably, an inner barrel drain valve is arranged on the inner barrel drain pipeline; or the water inlet end of the inner barrel water drainage pipeline is arranged on the lower port or the conduction port of the second air inlet channel through the inner barrel water drainage valve.

Further, the first air inlet channel is an air inlet pipeline connected between the air supply device and the second air inlet channel;

a second connecting port is formed in the outer wall of the first vertical pipe of the second air inlet channel, which is far away from the speed reduction clutch, the air inlet pipeline is connected to the second connecting port, and a check valve is arranged on the air inlet pipeline;

or the inner barrel water discharge valve comprises a first outlet and a second outlet, wherein the first outlet is connected with the inner barrel water discharge pipeline, the second outlet is connected with the air inlet pipeline, and the air inlet pipeline is provided with a check valve.

Further, a second water outlet is formed in the bottom wall of the second area of the outer barrel, a second water outlet pipeline is connected to the second water outlet, the water outlet end of the second water outlet pipeline is connected to the second water outlet pipeline, and the second water outlet pipeline comprises a second vertical pipe of which the upper end is connected to the lower port or the conduction port of the second air inlet channel;

the lateral wall of the outer barrel drain pipe is provided with a third connecting port, the inner barrel drain pipeline further comprises a second transverse pipe connected between the lower end of the second vertical pipe and the third connecting port, and the vertical distance from the third connecting port to the bottom wall of the outer barrel is larger than the vertical distance from the bottommost part of the driving device to the bottom wall of the outer barrel.

Furthermore, a plurality of first connecting ports are arranged on the peripheral side wall of the annular communicating component at intervals, and a plurality of conducting ports are correspondingly arranged on the bottom wall of the outer barrel outside the first area at intervals;

the first air inlet channel and the second air inlet channel are multiple, one end of the second air inlet channel is connected with the first connecting port in a one-to-one correspondence mode, and the other end of the second air inlet channel extends out of or is directly connected with the conducting port and the first air inlet channel in a one-to-one correspondence mode.

The inner barrel is provided with an inner barrel communicating opening, an inner barrel cavity is communicated with the inner barrel, and the inner barrel is provided with an inner barrel communicating opening;

the plurality of injection holes are arranged at the central position of the impeller; or, the wave wheels are arranged at intervals along the periphery of the wave wheel.

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

1. according to the washing machine, the air supply device supplies air into the inner barrel through the air inlet channel, under the condition that water exists in the inner barrel, the air with pressure upwards penetrates through the spray holes formed in the impeller from the bottom of the inner barrel to push out the water in the inner barrel, surging washing water flow is formed in the inner barrel and accompanied with generation of air bubbles, the washing effect of clothes is improved, and the phenomena of clothes winding and serious clothes abrasion in the traditional washing mode are effectively relieved.

2. According to the washing machine, the conduction opening which is formed in the bottom wall of the outer barrel and can realize the communication between the air inlet channel and the inner barrel is formed in the bottom wall of the outer barrel outside the area covered by the projection of the driving device on the bottom wall of the outer barrel, so that the air inlet channel is positioned outside the driving device, the problem of interference between the air inlet channel and the driving device is effectively solved, the universality of the driving device is improved, the design and manufacturing cost of the driving device is reduced, and the production cost of the washing machine is further reduced.

3. The check valve is additionally arranged on the first air inlet channel, so that air generated by the air supply device can be output in one direction only, water can be blocked by the check valve when flowing in the reverse direction and cannot enter the air supply device, and the phenomenon that the air supply device cannot be used normally due to the fact that water flows back into the air supply device when the washing water in the inner barrel is discharged or under abnormal conditions is effectively avoided.

4. The washing machine provided by the invention is characterized in that the air inlet channel or the conduction opening is connected with an inner barrel drainage pipeline which can discharge washing water in the inner barrel, and the inner barrel communication opening on the bottom wall of the inner barrel can be used as an air inlet communication opening and a drainage communication opening, so that the number of openings of the inner barrel is reduced, and the structure of the washing machine is simplified.

5. According to the washing machine provided by the invention, the inner barrel drainage pipeline is communicated with the outer barrel drainage pipeline, water in the inner barrel can be drained together through the outer barrel drainage pipeline, the cost is saved, the structure is simple, and the drainage valves are respectively arranged on the inner barrel drainage pipeline and the outer barrel drainage pipeline, so that the control is more flexible and convenient.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, 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 without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic view of an air supply device for supplying air into an inner tub when an injection hole of a washing machine is disposed at a center of a pulsator;

FIG. 2 is a schematic view of the air supply device supplying air into the inner tub when the spraying holes of the washing machine are arranged at the edge of the pulsator;

FIG. 3 is a schematic view of the inner tub for washing machine according to the present invention;

FIG. 4 is a schematic diagram of the present invention showing the simultaneous draining of the inner tub and the outer tub;

FIG. 5 is a partial enlarged view of the washing machine of the present invention;

in the figure:

100. a box body; 110. a balance ring;

1. an outer tub; 11. a conduction port; 12. an outer tub water outlet; 121. an outer tub drain line; 1211. a third connection port; 122. an outer tub drain valve;

2. an inner barrel; 21. an inner barrel communicating port; 22. a first bulge loop structure; 23. a second bulge loop structure; 24. an inner barrel drainage pipeline; 25. a drain valve of the inner barrel; 26. a sealing structure;

3. an impeller; 31. a jet flow channel; 301. an injection hole; 32. a second annular structure; 33. a communication channel;

4. a gas supply device; 41. a first air intake passage; 411. a non-return valve; 42. a second intake passage; 43. a communication member; 431. an air outlet; 432. a first annular structure;

5. a speed reduction clutch; 51. an output shaft; 6. the motor is driven.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, 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 for illustrating the present invention and 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., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the present embodiment provides a washing machine including: a case 100; an inner barrel 2 positioned in the box body 100, wherein a balance ring 110 is arranged at the position of a barrel opening of the inner barrel 2; the outer barrel 1 is coaxially arranged outside the inner barrel 2; a driving device installed outside the bottom wall of the outer tub 1 and drivingly connected with the inner tub 2 to perform washing and dewatering processes; the air supply device 4 may be disposed on the inner wall of the casing 100, the outer wall of the outer tub 1, or other positions between the inner wall of the casing 100 and the outer tub 1, preferably, in this embodiment, the air supply device 4 is mounted at the bottom of the casing 100, and the air supply device 4 supplies air into the inner tub 2 through an air supply channel to form a surging washing water flow in the inner tub 2.

Along the central axis direction of the outer barrel 1, the area covered by the projection of the driving device on the bottom wall of the outer barrel 1 is a first area, a conduction opening 11 is arranged on the bottom wall of the outer barrel 1 outside the first area, and the air inlet channel can penetrate through the conduction opening 11 or be connected on the conduction opening 11 to realize the communication with the inside of the inner barrel 2.

This embodiment is through will conduction opening 11 is seted up on being located the outer barrel 1 diapire outside the region that the projection of drive arrangement on outer barrel 1 diapire covered for the inlet channel is located the drive arrangement outside, has effectively solved the problem that inlet channel and drive arrangement interfered, has improved drive arrangement's commonality, has reduced the design and the manufacturing cost of drive arrangement self, and then has reduced washing machine's manufacturing cost.

The air supply device 4 is arranged in the washing machine box 100 provided by the embodiment, and the air supply device 4 supplies air to the inner barrel 2, so that surging washing water flow is formed in the inner barrel 2, the washing effect of clothes is improved, and the phenomena of clothes winding and serious clothes abrasion in the traditional washing mode are relieved.

In this embodiment, the air supply device 4 is an air pump or an air compression device such as an air compressor, the air pump or the air compression device can output air with a larger pressure, the pressure requirement is larger than the pressure of water in the inner barrel 2, so that the water at the bottom of the inner barrel 2 can be ejected, and the specific pressure and the flow rate of the air are set according to the water flow effect to be realized.

In the above scheme, the inlet end of the air supply device 4 is communicated with the outside air, so as to supply air to the inside of the inner barrel 2, and the fountain washing water flow can be formed. Preferably, the gas supply device 4 may be externally connected with a compressed gas storage device, which can provide powerful high-pressure gas for the washing machine.

In this embodiment, the air supply device 4 supplies air into the inner tub 2 from the bottom of the inner tub 2, so that a surging water flow effect of rolling from bottom to top is formed in the inner tub 2, and the washing effect is further improved.

Preferably, the outlet end of the air supply device 4 is connected to the middle position of the bottom of the inner barrel 2, and the air flow is strongly gushed out from the central part of the inner barrel 2 and is dispersed to the periphery, so that the clothes concentrated in the middle part of the inner barrel 2 are dispersed, the clothes are driven to form the effect that the clothes roll around from the center, and the better washing and protecting effect is achieved on the clothes.

Further, the driving device comprises a speed reduction clutch 5 installed at the center of the bottom wall of the outer barrel 1, the speed reduction clutch 5 is installed on the bottom wall of the outer barrel 1, the driving device further comprises a driving motor 6 located below the speed reduction clutch 5, the output end of the driving motor 6 is in driving connection with the speed reduction clutch 5, the output end of the speed reduction clutch 5 is in driving connection with the inner barrel 2, and the cross-sectional area of the shell of the speed reduction clutch 5 is larger than that of the shell of the driving motor 6.

Along the central axis direction of the outer barrel 1, an area covered by the projection of the speed reduction clutch 5 on the bottom wall of the outer barrel 1 is set as a first area, the shape and the size of the first area are the same as the size of the maximum cross section of the speed reduction clutch 5, the bottom wall of the outer barrel 1 is composed of a first area positioned at the central position and a second area positioned at the periphery of the first area, and the second area is an annular area between the outer edge of the first area and the outer edge of the bottom wall of the outer barrel 1.

The conduction opening 11 is arranged on the second area of the bottom wall of the outer barrel 1, a communication component 43 for communicating the inner barrel 2 and the air inlet channel is arranged in the outer barrel 1, the air supply device 4 supplies air to the inner barrel 2 through the air inlet channel and the communication component 43, thereby forming surging washing water flow in the inner barrel 2 and performing anti-winding washing on clothes. The air inlet passage can pass through the conduction opening 11 or be connected to the conduction opening 11 to be communicated with the communication part 43, so that the communication with the inner part of the inner barrel 2 is realized.

Further, an inner barrel communicating opening 21 is arranged on the bottom wall of the inner barrel 2, a cavity isolated from the outer barrel 1 is arranged in the communicating component 43, and the cavity is provided with an air inlet end communicated with the air inlet channel and an air outlet end communicated with the inner barrel communicating opening 21.

The intake passage includes a first intake passage 41 between the gas supply device 4 and the introduction port 11, and a second intake passage 42 between an intake end of the communication member 43 and the introduction port 11.

The second air intake passage 42 is connected between the communication member 43 and the first air intake passage 41, and the second air intake passage 42 is connected at the inlet end to the first air intake passage 41 and at the outlet end to the communication member 43. Preferably, in the present embodiment, the second air intake passage 42 is provided integrally with the communication member 43.

Further, the communicating member 43 is an annular communicating member surrounding the output shaft 51 of the speed reduction clutch 5 and disposed in a hollow manner, and the annular communicating member may be a separate structure, or may also be a partial structure of the speed reduction clutch 5 or the tub 1. Preferably, the annular communicating member is separately disposed in the outer tub 1, the lower portion of the annular communicating member is fixed on the inner wall surface of the bottom wall of the outer tub 1, and the upper portion of the annular communicating member has an air outlet end which is rotatably and hermetically engaged with the inner tub communicating port 21.

In this embodiment, the communicating member 43 has a chamber isolated from the inside of the outer tub 1, the chamber communicates with the inner tub communicating opening 21, and the air supply device 4 supplies air to the inner tub communicating opening 21 through the chamber of the communicating member 43. The inner chamber of the communicating member 43 is isolated from the inner part of the outer tub 1 and communicated with the inner tub 2, thereby preventing the gas supplied from the gas supply device 4 from leaking, and facilitating the formation of strong surging washing water flow in the inner tub 2 to efficiently wash the laundry.

The communicating member 43 includes a hollow casing, which is installed between the outer surface of the inner barrel 2 and the inner surface of the outer barrel 1 to form a hollow chamber isolated from the inner part of the outer barrel 1, and the hollow chamber is communicated with the inner barrel communicating opening 21. The communicating component 43 is a hollow shell structure, and is directly assembled with the inner surface of the outer barrel 1 to form an isolated cavity, and the communicating component has a simple structure and a reasonable design.

In this embodiment, the inlet end of the second air inlet passage 42 can extend out of the conduction opening 11 to be connected with the first air inlet passage 41, and the outlet end is connected with the communication part 43; alternatively, in another scheme, the inlet end of the second air inlet channel 42 is directly connected to the conduction opening 11, and the first air inlet channel 41 and the second air inlet channel 42 are communicated with each other through conduction of the conduction opening 11, so that the air supply device 4 is communicated with the communication part 43 and the inner barrel 2.

The structure of the washing machine provided by the example is described in detail through the following two specific embodiments:

the first embodiment:

the present embodiment mainly describes that the inlet end of the second air inlet passage 42 is connected to the first air inlet passage 41 through the conduction opening 11 to communicate the air supply device 4 with the inner tub 2.

Specifically, a first connection port is formed on a peripheral side wall of the annular communication component, the second air inlet passage 42 includes a first horizontal pipe disposed between the first connection port and the connection port 11, the first horizontal pipe is located in the outer tub 1, one end of the first horizontal pipe is connected to the first connection port, and the other end of the first horizontal pipe vertically extends downward to form a first vertical pipe; the first vertical pipe extends out of the outer tub 1 through the conduction opening 11 and is connected with the first air inlet channel 41, and the first vertical pipe is located outside the speed reduction clutch 5 and has a spacing space with the outer peripheral wall of the casing of the speed reduction clutch 5.

Through the design, the first horizontal pipe and the first vertical pipe are located outside the shell of the speed reduction clutch 5, the problem that the existing air inlet channel can be communicated with the inner barrel 2 only through the inside of the speed reduction clutch 5 is solved, the phenomenon that the speed reduction clutch 5 and the air inlet channel interfere with each other is avoided, the structure of the speed reduction clutch 5 does not need to be changed, the specific speed reduction clutch 5 does not need to be adopted, the universality of the speed reduction clutch 5 is higher, and the design and manufacturing cost of the speed reduction clutch 5 is reduced.

Further, a sealing structure is arranged on the conduction opening 11 of the bottom wall of the first vertical pipe and/or the outer tub 1, so that water in the outer tub 1 is prevented from overflowing from a gap between the first vertical pipe and the conduction opening 11, and the sealing effect of the washing machine is improved.

Preferably, the sealing structure is an annular sealing ring sleeved on the periphery of the first vertical pipe, and the annular sealing ring is sealed between the peripheral wall of the first vertical pipe and the conduction opening 11.

Furthermore, the lower port of the second air inlet channel 42 is connected with an inner barrel water discharge pipeline 24 which can discharge the washing water in the inner barrel 2, the inner barrel water discharge pipeline 24 is arranged outside the driving device in a surrounding way, compared with the existing arrangement that the inner barrel water discharge pipeline 24 passes through the decelerating clutch 5, the problem that the inner barrel water discharge pipeline 24 is interfered with the decelerating clutch 5 is avoided, the specific decelerating clutch 5 is not needed, the universality of the decelerating clutch 5 is further improved, and the design and manufacturing cost of the decelerating clutch 5 is reduced.

Preferably, an inner barrel drain valve 25 is arranged on the inner barrel drain pipeline 24, and the drainage condition of the inner barrel 2 is controlled by controlling the opening or closing of the inner barrel drain valve 25; alternatively, the water inlet end of the inner barrel drain line 24 is directly mounted on the lower end of the second air inlet passage 42 through the inner barrel drain valve 25.

In the washing machine provided by the embodiment, the air inlet channel is connected with the inner barrel drainage pipeline 24 which can discharge the washing water in the inner barrel 2, and the inner barrel communication opening 21 on the bottom wall of the inner barrel 2 is used as an air inlet communication opening and a drainage communication opening, so that the number of the openings of the inner barrel 2 is reduced, and the structure of the washing machine is simplified.

Further, the first intake passage 41 is an intake line connected between the air supply device 4 and the second intake passage 42; and a second connector is formed in the outer wall of the side, far away from the speed reduction clutch 5, of the first vertical pipe, the air inlet pipeline is connected to the second connector, and a check valve 411 is arranged on the air inlet pipeline. The second connecting port is arranged on the outer side of the first vertical pipe, so that interference between the second connecting port and the speed reduction clutch 5 when the second connecting port is arranged on the side close to the speed reduction clutch 5 is avoided.

Alternatively, in another embodiment, the inner barrel drain valve 25 includes a first outlet and a second outlet, wherein the first outlet is connected to the inner barrel drain line 24, the second outlet is connected to the air inlet line, and the air inlet line is provided with a check valve 411.

Through check valve 411 of installing additional on the intake pipe, the gaseous one-way output that air feeder 4 produced only, can be blockked by check valve 411 during water backward flow, can not get into air feeder 4, avoids effectively discharging the in-process of bucket 2 interior washing water or under the unusual circumstances, appears water refluence to air feeder 4 in, damages the structure of air feeder 4, causes the unable normal use phenomenon of air feeder 4.

Further, in the present embodiment, a tub drainage 12 is further disposed on the bottom wall of the tub 1 located in the second area, a tub drainage 121 is connected to the tub drainage 12, and a water outlet end of the tub drainage 24 is connected to the tub drainage 121. An outer barrel drain valve 122 is arranged on the inner barrel drain pipeline 24, and the drainage condition of the outer barrel 1 is controlled by controlling the opening or closing of the outer barrel drain valve 122.

In the washing machine provided by the embodiment, the inner barrel drainage pipeline 24 is communicated with the outer barrel drainage pipeline 121, water in the inner barrel 2 can be discharged through the outer barrel drainage pipeline 121 together, the cost is saved, the structure is simple, and the drainage valves are respectively arranged on the inner barrel drainage pipeline 24 and the outer barrel drainage pipeline 121, so that the control is more flexible and convenient.

Further, the inner tub drain line 24 includes a second vertical tube having an upper end connected to the lower end of the second air inlet passage 42, a third connection port 1211 formed on the side wall of the outer tub drain line 121, and a second horizontal tube connected between the lower end of the second vertical tube and the third connection port 1211.

The vertical distance of the third connection opening 1211 from the bottom wall of the outer tub 1 is greater than the vertical distance of the bottommost part of the driving device from the bottom wall of the outer tub 1, and the sum of the lengths of the part of the first vertical pipe extending out of the bottom wall of the outer tub 1 and the second vertical pipe is not less than the vertical distance of the third connection opening 1211 from the bottom wall of the outer tub 1. Preferably, the sum of the length of the portion of the first vertical pipe extending out of the bottom wall of the outer tub 1 and the length of the second vertical pipe is equal to the vertical distance of the third connection opening 1211 from the bottom wall of the outer tub 1.

Through the design, the inner barrel drainage pipeline 24 can be ensured to be positioned outside the speed reduction clutch 5 and the driving motor 6, the defect that the existing inner barrel drainage pipeline 24 and the speed reduction clutch 5 interfere with each other is effectively prevented and improved, and the universality of the speed reduction clutch 5 is stronger.

The second embodiment:

the present embodiment is different from the first embodiment in that the inlet end of the second air inlet channel 42 does not extend out of the conduction opening 11, but is directly and fixedly connected to the conduction opening 11 to realize the communication between the air supply device 4 and the inner tub 2.

Specifically, a first connecting port is formed in a peripheral side wall of the annular communicating member, the second air inlet passage 42 includes a first horizontal pipe disposed between the first connecting port and the conducting port 11, one end of the first horizontal pipe is connected to the first connecting port, and the other end of the first horizontal pipe vertically extends downward to form a first vertical pipe, a lower port of the first vertical pipe is directly connected and fixed to the conducting port 11, and the first horizontal pipe and the first vertical pipe are both located in the outer tub 1.

Furthermore, the conduction port 11 is connected with an inner barrel drainage pipeline 24 which can discharge the washing water in the inner barrel 2, the inner barrel drainage pipeline 24 is positioned outside the outer barrel 1 and outside the driving device, compared with the existing arrangement that the inner barrel drainage pipeline 24 penetrates through the speed reduction clutch 5, the problem of interference between the inner barrel drainage pipeline 24 and the speed reduction clutch 5 is avoided, the universality of the speed reduction clutch 5 is further improved, and the design and manufacturing cost of the speed reduction clutch 5 is reduced.

Preferably, an inner barrel drain valve 25 is arranged on the inner barrel drain pipeline 24, and the drainage condition of the inner barrel 2 is controlled by controlling the opening or closing of the inner barrel drain valve 25. More preferably, the water inlet end of the inner barrel drain line 24 is directly mounted on the conduction port 11 through the inner barrel drain valve 25.

In the washing machine provided by the embodiment, the air inlet channel is connected with the inner barrel drainage pipeline 24 which can discharge the washing water in the inner barrel 2, and the inner barrel communication opening 21 on the bottom wall of the inner barrel 2 is used as an air inlet communication opening and a drainage communication opening, so that the number of the openings of the inner barrel 2 is reduced, and the structure of the washing machine is simplified.

Further, the first air inlet channel 41 is an air inlet pipeline connected between the air supply device 4 and the second air inlet channel 42, the inner barrel drain valve 25 includes an inlet, a first outlet and a second outlet, the inlet of the inner barrel drain valve 25 is installed and communicated on the conduction port 11, the first outlet of the inner barrel drain valve 25 is connected with the inner barrel drain pipeline 24, the second outlet is connected with the air inlet pipeline, and the air inlet pipeline is provided with a check valve 411.

Through check valve 411 of installing additional on the intake pipe, the gas that air feeder 4 produced can only one-way output, and water backward flow in-process can be blockked by check valve 411, can not get into air feeder 4, avoids effectively that the water in interior bucket 2 flows back to air feeder 4 under the in-process of discharging or unusual circumstances in the backward flow, damages the structure of air feeder 4, causes the unable normal use phenomenon of air feeder 4.

Further, the inner tub drain line 24 includes a second vertical tube having an upper end connected to the conduction port 11, a third connection port 1211 formed on a side wall of the outer tub drain line 121, and a second horizontal tube connected between a lower end of the second vertical tube and the third connection port 1211.

The vertical distance of the third connection opening 1211 from the bottom wall of the outer tub 1 is greater than the vertical distance of the bottommost part of the driving device from the bottom wall of the outer tub 1, and the length of the second vertical pipe is not less than the vertical distance of the third connection opening 1211 from the bottom wall of the outer tub 1. Preferably, the length of the second vertical pipe is equal to the vertical distance of the third connection opening 1211 from the bottom wall of the outer tub 1.

Through the design, the second air inlet channel 42 is completely positioned in the outer barrel 1, the first air inlet channel 41 and the inner barrel water discharge pipeline 24 are positioned outside the speed reduction clutch 5, the problem that the existing air inlet channel and the existing inner barrel water discharge pipeline 24 can be communicated with the inner barrel 2 only through the inside of the speed reduction clutch 5 is solved, the defect that the speed reduction clutch 5 is interfered with the air inlet channel, the inner barrel water discharge pipeline 24 is overcome, the structure of the speed reduction clutch 5 does not need to be changed, the universality of the speed reduction clutch 5 is improved, and the design and manufacturing cost of the speed reduction clutch 5 is reduced.

In the embodiment, the structure for draining the water in the inner barrel 2 is added in the air inlet channel, when the air supply device 4 supplies air, as shown in fig. 1 and fig. 2, the air enters the inner barrel 2 through the first air inlet channel 41, the second air inlet channel 42 and the communicating part 43 in sequence, and the water drain valve 25 of the inner barrel is controlled to be in a closed state, at the moment, the water drain pipeline 24 of the inner barrel and the air inlet channel are disconnected, so that the air generated by the air supply device 4 is prevented from leaking out through the water drain pipeline 24 of the inner barrel.

As shown in fig. 3, when the washing water in the inner tub 2 is discharged, the drain valve 25 of the inner tub is controlled to be opened, and at this time, the drain line 24 of the inner tub communicates with the second air inlet passage 42, the washing water in the inner tub 2 can be discharged from the drain line 24 of the inner tub along the inner tub communication port 21, the communication member 43, and the second air inlet passage 42 in sequence by gravity, the check valve 411 provided on the first air inlet passage 41 can prevent the water from flowing backward into the air supply unit 4,

as shown in fig. 4, when the washing machine is dehydrating, the inner tub drain valve 25 and the outer tub drain valve 122 are controlled to be in an open state, and the water inside the inner tub 2 and the water thrown out into the outer tub 1 by the inner tub 2 are discharged to the outside of the washing machine through the inner tub drain line 24 and the outer tub drain line 121, respectively.

The embodiment also provides another expanded embodiment, a plurality of first connecting ports are spaced on the peripheral side wall of the annular communicating component, and a plurality of conducting ports 11 are correspondingly spaced on the bottom wall of the outer tub 1 outside the first area; the number of the first air inlet channels 41 and the number of the second air inlet channels 42 are multiple, one end of each second air inlet channel 42 is connected with the corresponding first connecting port, the other end of each second air inlet channel extends out of or is directly connected with the corresponding conducting port 11 and the corresponding first air inlet channel 41, air is fed into the communicating component 43 through the multiple first connecting ports, the strength of airflow entering the inner barrel 2 is enhanced, the tumbling and surging water flow is stronger and more powerful, and the wound clothes can be quickly untied.

Specifically, the first air intake passage 41 includes a main air intake pipeline and a plurality of branch air intake pipelines branched from the main air intake pipeline, and the branch air intake pipelines are connected with the second air intake passages 42 or the conduction openings 11 in a one-to-one correspondence manner. In this embodiment, the specific connection manner between the plurality of branch intake pipes and the plurality of second intake passages 42 is the same as the connection manner between the first intake passage 41 and the second intake passage 42 in the first embodiment or the second embodiment, and therefore, the detailed description thereof is omitted.

Preferably, the branch air inlet pipes are respectively provided with an on-off valve, the on/off control of each on-off valve corresponds to the opening/closing of the branch air inlet pipe, and the on-off valves with different numbers can be controlled to be opened according to information such as the winding condition of clothes or the amount of the clothes, so that the air flow entering the inner barrel 2 can be controlled and adjusted, and the diversified requirements of users can be met.

Further, the washing machine also comprises a wave wheel 3 arranged at the bottom of the inner barrel 2, an air jet channel 31 with an inlet end communicated with the inner barrel communicating opening 21 and an outlet end communicated with the inner chamber of the inner barrel 2 is arranged in the wave wheel 3, and the outlet end of the air jet channel 31 comprises a plurality of jet holes 301 arranged on the upper surface of the wave wheel 3.

Preferably, in this embodiment, the pulsator 3 is hollow inside to form the air jet channel 31, an air inlet communicated with the inner tub communicating port 21 is opened on the lower surface of the pulsator 3, the jet holes 301 are opened on the upper surface of the pulsator 3, and air enters from the air inlet on the lower surface of the pulsator 3 and is jetted from the jet holes 301.

Different effects can be produced according to different positions of the injection holes 301 on the pulsator 3, and two setting modes are listed here:

the first mode is as follows:

as shown in fig. 1, a plurality of the injection holes 301 may be provided at a central position of the pulsator 3, and the plurality of the injection holes 301 are provided at a central position of the upper surface of the pulsator 3, so that the air discharged from the communication part 43 flows out through the middle injection holes 301 to push out the water in the middle portion of the inner tub 2, thereby achieving the middle flower spring effect.

The second mode is as follows:

as shown in fig. 2, a plurality of the injection holes 301 are arranged along the outer circumference of the pulsator 3 at intervals, and the injection holes 301 are arranged at the edge of the pulsator 3, so that the air coming out of the communication part 43 flows out from the injection holes 301 at the edge of the pulsator 3 to push out the water at the edge of the inner tub 2, thereby forming the edge bubbling effect.

By providing the spraying holes 301 in the above two ways, the water in the inner tub 2 is flushed out from the middle (or the sides) and dropped back from the sides (or the middle) under the driving of the gas sprayed from the spraying holes 301, thus forming an internal circulation of water. The clothes in the inner barrel 2 are driven by the water flow to do circular motion, and simultaneously, the rushed air forms bubbles to scatter the clothes, so that the clothes are fully washed by the driving of the circular water flow and the entanglement of the clothes is reduced. Therefore, in the washing process, vortex water flow can be formed in the horizontal direction by matching with the rotation of the impeller 3, and surging washing water flow from bottom to top can be formed, clothes can be completely washed under the action of various water flows, and the winding of the clothes caused by the vortex water flow formed by the impeller 3 is effectively released by the surging washing water flow from bottom to top, so that the washing effect is improved, and the clothes are prevented from being worn.

The following describes in detail how the air outlet end of the communicating member 43 is in sealing engagement with the inner tub 2, and the inner tub 2 and the pulsator 3, with reference to fig. 5.

As shown in fig. 1, 2 and 5, a communication channel 33 is provided on the lower surface of the pulsator 3 for communicating the inner tub communication port 21 with the air inlet of the lower surface of the pulsator 3, and the inlet of the communication channel 33 is rotatably and sealingly engaged with the inner tub communication port 21. The air outlet end of the communicating part 43 comprises an air outlet 431 arranged on the shell of the communicating part 43, and the air outlet 431 is in rotatable sealing fit with the inner barrel communicating opening 21 at the bottom of the inner barrel 2. The whole passage of the gas supply device 4 is sealed, so that gas leakage is prevented, the power of the gas is ensured, and strong surging washing water flow is formed.

In this embodiment, the air outlet 431 of the communicating component 43 is disposed as a first annular structure 432 surrounding the output shaft 51 of the speed reduction clutch 5, the bottom of the inner barrel 2 is convexly provided with a first convex ring structure 22, the first convex ring structure 22 is rotatably and hermetically matched with the air outlet 431 of the communicating component 43, a plurality of inner barrel communicating ports 21 are arranged inside the first convex ring structure 22, and the air outlet 431 of the communicating component 43 surrounds each inner barrel communicating port 21 at the bottom of the inner barrel 2.

In the above-mentioned aspect, the sealing structure 26 is press-fitted between the first ring structure 432 and the first male ring structure 22, and a dynamic seal is formed with the sealing structure 26 even when the inner tub 2 rotates.

In this embodiment, the communication channel 33 includes a second annular structure 32 protruding downward from the bottom of the pulsator 3, a second collar structure 23 protruding upward from the bottom of the inner tub 2 and surrounding the communication ports 21 of the inner tub, and the second annular structure 32 on the pulsator 3 is rotatably and sealingly engaged with the second collar structure 23.

Likewise, the seal structure 26 is pressed between the second annular structure 32 and the second protruding ring structure 23, and a dynamic seal can be formed with the seal structure 26 even when the pulsator 3 rotates.

If the requirement on the effect of the surging washing water flow is not high, the two sealing structures 26 can be omitted, the sealing is simply carried out in a staggered matching mode of the convex ring structure and the annular structure, and in consideration of avoiding friction, the matching between the convex ring structure and the annular structure which are matched with each other is difficult to avoid gaps, so that the surging washing water flow effect of the structure is slightly weaker, but can still be realized.

In the present embodiment, the rotatable sealing engagement between the communication member 43 and the inner tub communication port 21 and between the pulsator 3 and the inner tub communication port 21 is not limited to the above-described staggered engagement between the convex ring structure and the annular structure, but may be performed by a rotatable sealing engagement using a conventional water sealing structure such as a water seal, as long as the rotatable sealing engagement between the communication member 43 and the inner tub communication port 21 and between the pulsator 3 and the inner tub communication port 21 can be achieved.

In an embodiment, as shown in fig. 1 and 2, when the washing process is performed, the inner tub drain valve 25 and the outer tub drain valve 122 are controlled to be in a closed state, the air supply device 4 and the check valve 411 are controlled to be opened, the air supply device 4 supplies air to the inner tub 2 through the air outlet end of the communication member 43, a downward-upward surging washing water flow is formed in the inner tub 2, and during the process, the laundry is washed by the vertically surging washing water flow, so that the friction damage to the laundry is reduced.

Preferably, when a washing program is performed, the air supply device 4 is controlled to be started, and meanwhile, the impeller 3 is controlled to rotate, so that in the washing process, the impeller 3 forms vortex water flow, the air supply device 4 forms surging washing water flow from bottom to top, clothes can be completely washed under the action of various water flows, the surging washing water flow from bottom to top effectively unwinds the winding of the clothes caused by the vortex water flow formed by the impeller 3, and the washing effect is improved.

Of course, the washing machine can also control the wave wheel 3 and the air supply device 4 to alternately operate, firstly, the wave wheel 3 is controlled to rotate for a certain time, then, the wave wheel 3 is suspended, the air supply device 4 is controlled to operate so as to disperse concentrated clothes, then, the wave wheel 3 is controlled to operate to wash the clothes, and the circulation is carried out, so that the clothes are effectively prevented from being wound, and the clothes washing effect is improved.

In the washing and/or rinsing process, the air supply device 4 is controlled to be opened, the check valve 411 is controlled to be opened to keep the working state capable of preventing water in the inner barrel 2 from reversely flowing to the air supply device 4, air generated by the air supply device 4 can only be output in one direction, the water can be blocked by the check valve 411 when reversely flowing and cannot enter the air supply device 4, and the phenomenon that the water in the inner barrel 2 flows back to the air supply device 4 under the condition of drainage or abnormity to cause the damage of the air supply device 4 is effectively avoided.

As shown in fig. 3, when the washing process is completed and the water draining step is performed, the air supply device 4 is controlled to be closed, the check valve 411 maintains an operating state of preventing water in the inner tub 2 from flowing backward to the air supply device 4, the drain valve 25 of the inner tub is controlled to be opened, and the washing water in the inner tub 2 is drained through the drain pipe 24 of the inner tub.

As shown in fig. 4, during the dewatering and draining process, the air supply device 4 is controlled to be closed, the outer tub drain valve 122 and the inner tub drain valve 25 are controlled to be opened, the outer tub drain valve 122 and the inner tub drain valve 25 may be controlled to be opened simultaneously or sequentially, and the water in the inner tub 2 and the water thrown out of the outer tub 1 by the inner tub 2 are respectively drained out of the washing machine through the inner tub drain line 24 and the outer tub drain line 121.

The washing machine provided by the embodiment is characterized in that the inner barrel drainage pipeline 24 is communicated with the outer barrel drainage pipeline 121, the residual water in the air inlet channel can be discharged together through the outer barrel drainage pipeline 121, the cost is saved, the structure is simple, the drainage valves are respectively arranged on the inner barrel drainage pipeline 24 and the outer barrel drainage pipeline 121, and the control is more convenient and faster, and is flexible and various.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A washing machine, characterized by comprising:

an inner barrel;

the outer barrel is coaxially arranged outside the inner barrel;

the driving device is arranged on the outer side of the bottom wall of the outer barrel and is in driving connection with the inner barrel;

the air supply device is arranged outside the outer barrel, and supplies air into the inner barrel through the air inlet channel to form surging washing water flow in the inner barrel;

along the central axis direction of the outer barrel, the area covered by the projection of the driving device on the bottom wall of the outer barrel is a first area, a conduction opening is arranged on the bottom wall of the outer barrel outside the first area, and the air inlet channel can penetrate through the conduction opening or is connected to the conduction opening to realize the communication with the inner part of the inner barrel.

2. The washing machine as claimed in claim 1, wherein:

the driving device comprises a speed reduction clutch arranged at the center of the bottom wall of the outer barrel, and the area covered by the projection of the speed reduction clutch on the bottom wall of the outer barrel along the direction of the central axis of the outer barrel is a first area;

the bottom wall of the outer barrel is composed of a first area positioned in the center and a second area positioned on the periphery of the first area, the conduction opening is formed in the second area of the bottom wall of the outer barrel, a communication component for communicating the inner barrel with the air inlet channel is arranged in the outer barrel, and the air inlet channel can penetrate through the conduction opening or is connected to the conduction opening and communicated with the communication component.

3. The washing machine as claimed in claim 2, wherein:

an inner barrel communicating port is formed in the bottom wall of the inner barrel, a cavity isolated from the outer barrel is formed in the communicating component, and the cavity is provided with an air inlet end communicated with the air inlet channel and an air outlet end communicated with the inner barrel communicating port;

the air inlet passage comprises a first air inlet passage positioned between the air supply device and the conduction opening and a second air inlet passage positioned between the air inlet end of the communication part and the conduction opening;

the inlet end of the second air inlet channel can extend out of the conduction opening to be connected with the first air inlet channel; or the inlet end of the second air inlet channel is connected to the conduction opening, and the first air inlet channel is communicated with the second air inlet channel through the conduction opening;

preferably, the second intake passage is provided integrally with the communication member.

4. A washing machine as claimed in claim 3, wherein:

the communicating component is an annular communicating component which surrounds the output shaft of the speed reduction clutch and is arranged in a hollow manner, the lower part of the annular communicating component is fixed on the inner wall surface of the bottom wall of the outer barrel, and an air outlet end which is in rotatable sealing fit with the communicating port of the inner barrel is arranged above the annular communicating component;

the peripheral side wall of the annular communication component is provided with a first connecting port, the second air inlet channel comprises a first transverse pipe arranged between the first connecting port and the conducting port, and one end of the first transverse pipe is connected to the first connecting port while the other end of the first transverse pipe vertically extends downwards to form a first vertical pipe;

the first vertical pipe extends out of the outer barrel through the conduction opening and is connected with the first air inlet channel, and the first vertical pipe is located on the outer side of the speed reduction clutch and is provided with a spacing space between the first vertical pipe and the outer peripheral wall of the speed reduction clutch.

5. The washing machine as claimed in claim 4, wherein:

a sealing structure is arranged on the conduction opening of the first vertical pipe and/or the bottom wall of the outer barrel;

preferably, the sealing structure is an annular sealing ring sleeved on the first vertical pipe, and the annular sealing ring is sealed between the peripheral wall of the first vertical pipe and the conduction opening.

6. A washing machine as claimed in claim 3, wherein:

the lower port or the conduction port of the second air inlet channel is connected with an inner barrel drainage pipeline which can discharge washing water in the inner barrel, and the inner barrel drainage pipeline is arranged outside the driving device;

preferably, an inner barrel drain valve is arranged on the inner barrel drain pipeline; or the water inlet end of the inner barrel water drainage pipeline is arranged on the lower port or the conduction port of the second air inlet channel through the inner barrel water drainage valve.

7. The washing machine as claimed in claim 6, wherein:

the first air inlet channel is an air inlet pipeline connected between the air supply device and the second air inlet channel;

a second connecting port is formed in the outer wall of the first vertical pipe of the second air inlet channel, which is far away from the speed reduction clutch, the air inlet pipeline is connected to the second connecting port, and a check valve is arranged on the air inlet pipeline;

or the inner barrel water discharge valve comprises a first outlet and a second outlet, wherein the first outlet is connected with the inner barrel water discharge pipeline, the second outlet is connected with the air inlet pipeline, and the air inlet pipeline is provided with a check valve.

8. The washing machine as claimed in claim 6, wherein:

the bottom wall of the outer barrel positioned in the second area is also provided with an outer barrel water outlet, the outer barrel water outlet is connected with an outer barrel water drainage pipeline, the water outlet end of the inner barrel water drainage pipeline is connected with the outer barrel water drainage pipeline, and the inner barrel water drainage pipeline comprises a second vertical pipe of which the upper end is connected with the lower port or the conduction port of the second air inlet channel;

the lateral wall of the outer barrel drain pipe is provided with a third connecting port, the inner barrel drain pipeline further comprises a second transverse pipe connected between the lower end of the second vertical pipe and the third connecting port, and the vertical distance from the third connecting port to the bottom wall of the outer barrel is larger than the vertical distance from the bottommost part of the driving device to the bottom wall of the outer barrel.

9. A washing machine as claimed in any one of claims 3 to 8, wherein:

a plurality of first connecting ports are arranged on the peripheral side wall of the annular communicating component at intervals, and a plurality of conducting ports are correspondingly arranged on the bottom wall of the outer barrel outside the first area at intervals;

the first air inlet channel and the second air inlet channel are multiple, one end of the second air inlet channel is connected with the first connecting port in a one-to-one correspondence mode, and the other end of the second air inlet channel extends out of or is directly connected with the conducting port and the first air inlet channel in a one-to-one correspondence mode.

10. A washing machine as claimed in any one of claims 3 to 8, wherein:

the inner barrel is provided with an inner barrel communicating opening, and the inner barrel is provided with an inner cavity;

the plurality of injection holes are arranged at the central position of the impeller; or, the wave wheels are arranged at intervals along the periphery of the wave wheel.

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