CN112030463A

CN112030463A - Washing machine and control method thereof

Info

Publication number: CN112030463A
Application number: CN201910475442.4A
Authority: CN
Inventors: 李以民; 刘海涛; 劳春峰; 许升; 赵志强
Original assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-12-04
Anticipated expiration: 2039-06-03
Also published as: CN112030463B

Abstract

The invention discloses a washing machine and a control method thereof, wherein the washing machine comprises an inner barrel, and washing water is independently contained when clothes are washed; the liquid level control module is used for controlling the liquid level in the inner barrel; the liquid level control module comprises a liquid level detection device and a control device, and the liquid level detection device is in wireless communication connection with the control device; the control method is that when the washing machine executes a water inlet program, the control device controls the liquid level control module to control the water level in the inner barrel according to the feedback signal of the liquid level detection device. The invention adopts the wireless communication mode to detect the water level in the washing machine, avoids the influence on the rotation of the inner cylinder caused by arranging a large number of control cables between the inner cylinder and the outer cylinder, simultaneously improves the intellectualization level of the washing machine, provides a foundation for home Internet of things, and simultaneously provides convenience for adding other wireless equipment for the washing machine due to strong expansibility of wireless communication.

Description

Washing machine and control method thereof

Technical Field

The invention belongs to the field of washing machines, and particularly relates to a washing machine and a control method thereof.

Background

With the improvement of living standard of people, the washing machine has become one of the main household appliances in daily household life. The conventional washing machines are largely classified into pulsator type, pulsator type and drum type washing machines. The pulsator type washing machine performs a washing operation by rotating a pulsator at the center of a washing tub left and right. The agitator type washing machine performs a washing operation using a frictional force between water current and laundry by rotating a rotary blade at the center of a washing tub in the left-right direction. The drum type washing machine performs a washing operation by beating laundry by rotating a drum.

An outer tub and an inner tub are provided in a cabinet of a washing machine, and the inner tub is an important part of washing, and generally, a hole is provided in a tub wall for introducing washing water into the inner tub or for dehydrating laundry in the inner tub. A large amount of dirt and bacteria are bred between the inner barrel and the outer barrel due to the long-time flowing and accumulation of the washing water, secondary pollution is generated to clothes, and the washing machine is not beneficial to the health of a human body, so that the washing machine with the imporous inner barrel is provided.

In order to ensure that the water inflow in the washing machine can meet the washing requirement, the water level of the washing machine needs to be detected and controlled, a pressure sensor mode is generally adopted, an air chamber is arranged at the bottom of an outer barrel, the washing water with different liquid levels at different heights has different gas pressures in the air chamber, the higher the liquid level is, the higher the pressure is, the higher the liquid level is, the pressure sensor detects the liquid level height of the washing water by utilizing the principle, and then the water inflow is determined. However, no water exists between the inner drum and the outer drum of the washing machine with the non-porous inner drum, so that the current scheme cannot be adopted, and a new solution needs to be found by technicians.

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 a washing machine and a control method thereof.

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

a washing machine characterized by: comprises that

An inner tub for independently containing washing water when washing clothes;

the liquid level control module is used for controlling the liquid level in the inner barrel;

the liquid level control module comprises a liquid level detection device and a control device, and the liquid level detection device is in wireless communication connection with the control device.

Furthermore, the liquid level detection device comprises a liquid level detection element and a communication element;

the communication element is respectively electrically connected with the liquid level detection element and the control device;

preferably, the communication element transmits the detection data of the liquid level detection element to the control device in a wireless communication mode.

Furthermore, the communication element comprises a wireless signal transmitting end and a wireless signal receiving end;

the wireless signal transmitting end is electrically connected with the liquid level detection element, the wireless signal receiving end is electrically connected with the control device, and the wireless signal transmitting end is in wireless communication connection with the wireless signal receiving end.

Further, an outer cylinder is coaxially sleeved outside the inner cylinder;

the liquid level detection element and the wireless signal transmitting end are arranged on the inner cylinder at intervals, or the liquid level detection element and the wireless signal transmitting end are integrated into a whole and are arranged on the inner cylinder;

the wireless signal receiving end is arranged on the outer cylinder or the control device.

Furthermore, the liquid level detection device also comprises a power supply element, and the power supply element is respectively and electrically connected with the liquid level detection element, the communication element and the control device;

preferably, the power supply element supplies power to the liquid level detection element and the communication element in a wireless charging mode.

Furthermore, the power supply element comprises a wireless charging receiving end and a wireless charging transmitting end;

the wireless charging receiving end is respectively and electrically connected with the liquid level detection element and the wireless signal transmitting end, the wireless charging transmitting end is electrically connected with the control device, and the wireless charging receiving end is in wireless charging connection with the wireless charging transmitting end.

Further, an outer cylinder is coaxially sleeved outside the inner cylinder;

the liquid level detection element, the wireless signal transmitting end and the wireless charging receiving end are arranged on the inner barrel at intervals or in an integrated mode;

the wireless charging transmitting terminal is arranged on the outer barrel and is matched with the wireless charging receiving terminal in position;

the wireless signal receiving end is integrated on the control device or integrated with the wireless charging transmitting end on the outer barrel.

Furthermore, a lifting rib is arranged on the inner cylinder, the lifting rib protrudes towards the inner part of the inner cylinder, a cavity is formed between the lifting rib and the wall surface of the inner cylinder, and a water permeable hole for communicating the inner cylinder and the cavity is arranged on the lifting rib;

the liquid level detection element is arranged in the cavity of the lifting rib;

the wireless signal transmitting end and the wireless charging receiving end are respectively arranged in the cavity of the lifting rib or on the outer wall surface of the inner cylinder at the lifting rib at intervals or in an integrated manner with the liquid level detection element.

Furthermore, the liquid level detection element, the wireless signal transmitting end and the wireless charging receiving end are all one;

the wireless charging transmitting terminal is one, and in the rotating process of the inner cylinder, the wireless signal receiving terminal/wireless charging transmitting terminal and the wireless signal transmitting terminal/wireless charging receiving terminal are in intermittent matching connection or real-time matching connection;

or, the wireless charging transmitting ends are arranged on the same circumference of the outer side wall surface of the outer barrel at intervals, and in the rotating process of the inner barrel, the wireless signal receiving end/the wireless charging transmitting end and the wireless signal transmitting end/the wireless charging receiving end are in intermittent matching connection or real-time matching connection;

or the wireless charging transmitting end surrounds the outer side wall surface of the outer cylinder in an annular shape, and the wireless signal receiving end/the wireless charging transmitting end and the wireless signal transmitting end/the wireless charging receiving end are connected in a matched mode in real time in the rotating process of the inner cylinder.

A control method of a washing machine, characterized in that: when the washing machine executes a water inlet program, the control device controls the liquid level control module to control the water level in the inner barrel according to the feedback signal of the liquid level detection device.

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

1) the invention adopts the wireless communication mode to detect the water level in the washing machine with the non-porous inner barrel, avoids the influence on the rotation of the inner barrel caused by arranging a large number of control cables between the inner barrel and the outer barrel, simultaneously improves the intelligent level of the washing machine, provides a foundation for home Internet of things, and simultaneously provides convenience for adding other wireless equipment for the washing machine due to strong expansibility of wireless communication;

2) the liquid level detection device is powered by adopting a wireless charging mode, so that the phenomena of sparks, electric leakage and the like which are possibly caused to damage users when the wired power supply fails are avoided, meanwhile, the arrangement of a supporting structure and a connecting cable which are required to be provided when the wired power supply is carried out is reduced, the cost is reduced, and the assembly efficiency of the washing machine is improved.

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 the structure of the washing machine of the present invention;

FIG. 2 is a schematic view of the connections between the elements of the liquid level detection unit of the present invention;

FIG. 3 is a schematic view of a washing machine according to a second embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a flow dispersing element in a three-inlet structure according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a flow dispersing element in a three-inlet structure according to an embodiment of the present invention;

FIG. 6 is a schematic view of a structure of four air permeable elements according to an embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view of four air permeable members according to an embodiment of the present invention;

FIG. 8 is a schematic view of a four-direction breathable film according to an embodiment of the present invention;

FIG. 9 is a schematic view of a four-way breathable film according to an embodiment of the present invention;

FIG. 10 is a schematic cross-sectional view of a five-bar lifter according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of an outer side of a five-bar lifter according to an embodiment of the present invention;

FIG. 12 is a schematic view of the other side of the outer portion of a five-bar lifting bar according to an embodiment of the present invention;

FIG. 13 is a schematic bottom view of a five-bar lifter according to an embodiment of the present invention;

FIG. 14 is a schematic view of a partial cross-sectional structure of a five-way lifting rib according to an embodiment of the present invention;

fig. 15 is an enlarged schematic view of a six seal valve in accordance with an embodiment of the present invention;

fig. 16 is a schematic end-face structure of a seven-seal valve in accordance with an embodiment of the present invention.

In the figure: 1. an inner barrel; 11. an inner cylinder door; 12. a breathable structure; 121. a valve seat; 122. a hollow-out section; 123. a gas permeable membrane; 124. narrow gaps; 13. an inner cylinder bottom; 2. an outer cylinder; 21. a bearing seat; 3. a machine door; 4. lifting the ribs; 43. a mounting cavity; 44. a water outlet; 45. a plug post; 46. installing a sleeve; 47. a balancing weight; 48. connecting ribs; 49. a support plate; 410. supporting ribs; 411. opening the gap; 412. water permeable holes; 413. a slot; 414. a second extending rib; 415. a first mounting rib; 416. a second mounting rib; 417. a bolt; 418. positioning pins; 419. bolt holes; 420. fixing the ribs; 421. a claw; 422. limiting ribs; 423. a through hole; 424. a valve core; 425. a jack; 426. positioning a groove; 427. folding edges; 428. folding the inner periphery; 429. installing ribs; 430. stretching the ribs; 431. a hinge hole; 432. a return spring; 433. a strip-shaped through hole; 400. lifting the rib body; 7. a liquid level detection device; 71. a liquid level detection element; 72. a communication element; 721. a wireless signal transmitting terminal; 722. a wireless signal receiving end; 73. a power supply element; 731. a wireless charging receiving end; 732. a wireless charging transmitting terminal; 74. a cable; 75. a protective cover; 8. a water inlet structure; 80. a flow spreading element; 81. an air outlet; 82. a diffuser wall; 83. a short connecting pipe; 84. a bottom wall; 9. a central shaft; 10. a water injection system.

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.

The washing machine and the control method thereof of the present invention are suitable for a drum washing machine or a pulsator washing machine, and the following description will be made in detail by taking the drum washing machine as an example.

Example one

As shown in fig. 1, in the embodiment, the washing machine includes an inner tub 1, and washing water is independently contained when washing laundry, so that the problems of dirt accumulation and bacteria breeding caused by the washing water accumulated and overflowing outside the inner tub 1 are avoided; the liquid level control module is used for controlling the liquid level in the inner barrel 1; the liquid level control module comprises a liquid level detection device 7 and a control device (not shown in the figure), and the liquid level detection device 7 is in wireless communication connection with the control device. Data transmission is carried out in a wireless communication mode, the influence on the rotation of the inner barrel 1 caused by arranging a large number of control cables between the inner barrel 1 and the outer barrel 2 is avoided, meanwhile, the intelligentization level of the washing machine is improved, a foundation is provided for home Internet of things, and meanwhile, due to the fact that the expansibility of wireless communication is strong, convenience is brought to the addition of other wireless equipment for the washing machine.

The liquid level detection device 7 comprises a liquid level detection element 71 and a communication element 72; the communication element 72 is electrically connected with the liquid level detection element 71 and the control device (not shown in the figure) respectively; preferably, the communication component 72 transmits the detection data of the liquid level detection component 71 to the control device in a wireless communication manner. The communication cable is prevented from being arranged between the inner barrel 1 and the outer barrel 2, and the influence on the rotation of the inner barrel 1 is avoided.

As shown in fig. 1 and 2, the communication element 72 includes a wireless signal transmitting end 721 and a wireless signal receiving end 722, the wireless signal transmitting end 721 is electrically connected to the liquid level detecting element 71 through a cable 74 (not shown), the wireless signal receiving end 722 is electrically connected to the control device through a cable (not shown), and the wireless signal transmitting end 721 is wirelessly connected to the wireless signal receiving end 722. The wireless signal transmitting end 721 and the liquid level detecting element 71 are both arranged on the inner barrel 1, the arrangement between the inner barrel 1 and the outer barrel 2 is not involved when the cable is arranged, the cable can rotate along with the inner barrel 1, the influence on the rotation of the inner barrel 1 caused by the arrangement of the cable between the inner barrel 1 and the outer barrel 2 is avoided, meanwhile, the assembly difficulty of the washing machine is reduced, and the assembly efficiency is improved.

As shown in fig. 1, the washing machine comprises an outer barrel 2 coaxially sleeved outside an inner barrel 1; the liquid level detection element 71 and the wireless signal transmitting end 721 are arranged on the inner barrel 1 at intervals, or the liquid level detection element 71 and the wireless signal transmitting end 721 are integrated and arranged on the inner barrel; the wireless signal receiving terminal 722 is disposed on the outer tube 2 or on the control device (not shown). When the liquid level detection element 71 and the wireless signal transmitting end 721 are arranged at intervals, when equipment fails, the parts in the equipment can be replaced individually, the cost is reduced, and the popularization and the application of products are facilitated; with the integrative integrated setting of liquid level detection element 71 and wireless signal transmission end 721, improved the modularization level of equipment and washing machine's intelligent level, improved the change efficiency of equipment during equipment trouble, reduced the occupation of land space of equipment simultaneously, avoided interconnecting link to expose outside, the problem of piling up the dirt that probably arouses, breeding the bacterium.

As shown in fig. 1, the liquid level detection device 7 further includes a power supply component 73, the power supply component 73 is electrically connected to the liquid level detection component 71, the communication component 72 and the control device (not shown in the figure), in this embodiment, the power supply component 73 supplies power to the liquid level detection component 71 and the communication component 72 in a wireless charging manner. The power supply mode adopts wireless power supply, avoids the phenomena of spark, electric leakage and the like which can cause damage to users when the wired power supply fails, reduces the arrangement of a supporting structure and a connecting cable which are required to be provided when the wired power supply is carried out, reduces the cost and improves the assembly efficiency of the washing machine.

As shown in fig. 2, the power supply unit 73 includes a wireless charging receiving terminal 731 and a wireless charging transmitting terminal 732, the wireless charging receiving terminal 731 is electrically connected to the liquid level detecting unit 71 and the wireless signal transmitting terminal 721 respectively to provide operating power for the liquid level detecting unit 71 and the wireless signal transmitting terminal 721, the wireless charging transmitting terminal 732 is electrically connected to the control device, the control device provides power for the wireless charging transmitting terminal 732, and the wireless charging receiving terminal 731 is wirelessly connected to the wireless charging transmitting terminal 732. After the wireless charging receiving terminal 731 and the wireless charging transmitting terminal 732 are connected in a wireless charging manner, the liquid level detecting element 71 and the wireless signal transmitting terminal 721 obtain working power, and transmit the detected data to the control device, thereby completing one data transmission.

As shown in fig. 1, the device comprises an outer cylinder 2 coaxially sleeved outside the inner cylinder 1, wherein the liquid level detection element 71, the wireless signal transmitting end 721 and the wireless charging receiving end 731 are arranged on the inner cylinder 1 at intervals or integrally. Inner tube 1 on set up the promotion muscle 4 that drives the clothing and throw, promotion muscle 4 to inner tube 1 inside protruding, and with form the cavity between the wall of inner tube 1, promotion muscle 4 on be equipped with the intercommunication inner tube 1 with the hole 412 of permeating water of cavity, liquid level detection component 71 set up promotion muscle 4's cavity in, radio signal transmitting terminal 721 with wireless charge receive terminal 731 with liquid level detection component 71 interval or integrated setting be in promotion muscle 4's cavity in or set up on the outer wall of inner tube 1 that promotes muscle 4 department. In this embodiment, the liquid level detecting element 71, the wireless signal transmitting end 721 and the wireless charging receiving end 731 are integrally arranged, the liquid level detecting element 71 is arranged in the cavity of the lifting rib 4, the wireless signal transmitting end 721 and the wireless charging receiving end 731 are arranged on the outer wall surface of the inner barrel 1, the modularization level of equipment and the intelligent level of the washing machine are integrally arranged, the replacement efficiency of the equipment is improved when the equipment fails, meanwhile, the occupied space of the equipment is reduced, and the problems of dirt accumulation and bacterium breeding caused by the fact that a connecting line is exposed outside are avoided; the wireless signal transmitting end 721 and the wireless charging receiving end 731 are arranged on the outer wall surface of the inner cylinder 1, so that the interference of the metal inner cylinder on wireless signal transmission and wireless power transmission is avoided.

In order to ensure the reliability and high efficiency of wireless charging, the wireless charging transmitting terminal 732 is arranged on the outer cylinder 2 and is matched with the position of the wireless charging receiving terminal 731; the wireless signal receiving terminal 722 is integrated on the control device or integrated with the wireless charging transmitting terminal 732 on the outer barrel 2.

In this embodiment, the liquid level detection element 71, the wireless signal transmitting end 721 and the wireless charging receiving end 731 are all one, after the three are integrated, the liquid level detection element 71 is disposed in the cavity of the lifting rib 4 of the inner cylinder 1, the wireless signal transmitting end 721 and the wireless charging receiving end 731 are disposed on the outer wall surface of the inner cylinder 1, when the lifting rib 4 moves to the lowest position, the cavity of the lifting rib 4 is filled with water, and at this time, the water level in the inner cylinder 1 can be measured.

In this embodiment, the wireless charging transmitting terminal 732 is one, and is disposed at the lowest position of the outer cylinder 2 and matched with the position of the wireless charging receiving terminal 731, in the rotation process of the inner cylinder, when the wireless charging receiving terminal 731 rotates to the lowest position, the wireless charging receiving terminal 731 and the wireless charging transmitting terminal 732 are matched to successfully complete one-time charging, and the liquid level detecting element 71 and the wireless signal transmitting terminal 721 at this time receive electric power, start working to collect the current liquid level in the inner cylinder 1 and transmit data to the wireless signal receiving terminal 722, and then transmit the data to the control device.

In another embodiment, the wireless charging between the wireless charging receiving terminal 731 and the wireless charging transmitting terminal 732 employs a charging protocol with small distance sensitivity, and the two terminals can perform matching charging in real time during the rotation process of the inner cylinder 1, at this time, the liquid level detecting element 71 and the wireless signal transmitting terminal can obtain working power in real time to perform real-time detection on the water level in the inner cylinder 1, the data signal obtained by the control device is a series of data values, and at this time, the maximum value of the detected data values is taken as the current water level value in the inner cylinder 1. Therefore, when there is one wireless charging transmitting terminal 732, the wireless signal receiving terminal 722/the wireless charging transmitting terminal 732 and the wireless signal transmitting terminal 721/the wireless charging receiving terminal 731 are connected in an intermittent matching manner or in a real-time matching manner.

Or, in another embodiment, the plurality of wireless charging transmitting terminals 732 are arranged on the same circumference of the outer wall surface of the outer cylinder 2 at intervals, and in the rotating process of the inner cylinder, when the wireless charging receiving terminal 731 rotates to one of the wireless charging transmitting terminals 732, the wireless charging receiving terminal 731 and the wireless charging transmitting terminal 732 are matched successfully to complete one-time charging, and the liquid level detecting element 71 and the wireless signal transmitting terminal 721 at this time receive electric power, start working to collect the current liquid level in the inner cylinder 1, transmit data to the wireless signal receiving terminal 722, and further transmit the data to the control device. At this time, the measured data is single data of intervals, and the maximum value is selected as the water level value in the current inner cylinder 1. In this scheme, a wireless charging protocol with small sensitivity to the distance between the wireless charging transmitting terminal 732 and the wireless charging receiving terminal 731 can be used in front of the wireless charging transmitting terminal 732 and the wireless charging receiving terminal 731, so as to transmit the water level in the inner cylinder 1 in real time.

Or, in another scheme, the wireless charging transmitting terminal 732 surrounds the outer wall surface of the outer cylinder in a ring shape, during the rotation of the inner cylinder, the wireless charging receiving terminal 731 and the wireless charging transmitting terminal 732 can perform real-time charging, at this time, the liquid level detecting element 71 and the wireless signal transmitting terminal 721 receive electric power in real time, collect the liquid level in the inner cylinder 1 in real time, transmit data to the wireless signal receiving terminal 722, and further transmit the data to the control device.

Or, in another scheme, the wireless charging transmitting terminals 732 are one or more and are fixedly arranged at the lowest part of the outer side wall surface of the outer cylinder 2, the liquid level detecting element 71, the wireless signal transmitting terminal 721 and the wireless charging receiving terminal 731 form integrated elements, the number of the integrated elements is the same as the number of the lifting ribs 4 on the inner cylinder 1, one integrated element is arranged in each lifting rib 4, when one integrated element moves to the lowest part, the wireless charging receiving terminal 731 and the wireless charging transmitting terminal 732 are matched to successfully complete one-time charging, at this time, the liquid level detecting element 71 and the wireless signal transmitting terminal 721 receive electric power, start working to collect the current liquid level in the inner cylinder 1 and transmit data to the wireless signal receiving terminal 722, and then transmit the data to the control device. The maximum value in the scheme is taken as the water level value in the current inner barrel 1.

In this embodiment, as another solution, the liquid level detecting module includes electric storage elements (not shown in the figure), the electric storage elements are electrically connected to the wireless charging receiving terminal 731 and the wireless signal transmitting terminal 721 respectively, when the power supply element 73 is in matching connection, the wireless charging receiving terminal 731 stores electric power in the electric storage elements, and during the rotation of the inner cylinder, the wireless signal transmitting terminal 721 obtains electric power from the electric storage elements, and can be in real-time matching connection with the wireless signal receiving terminal 722.

The wireless power supply mode between the power supply elements 73 in this embodiment is a coil electromagnetic coupling mode, an electromagnetic resonance mode, a photocoupling mode, or other possible schemes.

When the washing machine executes a water inlet program, the control device controls the liquid level control module to control the water level in the inner barrel 1 according to a feedback signal of the liquid level detection device 7.

The control device automatically matches the water level according to the weight of the clothes in the inner drum 1, the water level is a set water level, the control device receives a water level signal fed back by the liquid level detection element 71 in real time, and when the fed back water level signal is greater than or equal to the set water level, the control device controls the washing machine to stop feeding water into the inner drum 1. The problems of residual clothes treating agent to damage the quality of clothes caused by insufficient water level or insufficient stirring and poor cleanliness of the clothes caused by overhigh water level are avoided.

Example two

The main differences between this embodiment and the first embodiment are: the installation positions of the liquid level detection devices are different.

As shown in fig. 3, in this embodiment, the inner cylinder 1 includes an inner cylinder opening and an inner cylinder bottom 13 which are oppositely arranged, an inner cylinder door 11 which can be opened and closed is arranged on the inner cylinder opening, the inner cylinder opening and the inner cylinder bottom 13 are connected through an inner cylinder side wall, in this embodiment, the liquid level detection element 71 is arranged on the inner cylinder side wall, in order to avoid damage to the liquid level detection element 71 caused by clothes, a protective cover 75 which protrudes towards the inside of the inner cylinder is arranged on the inner cylinder side wall, a cavity is formed between the protective cover 75 and the inner cylinder side wall, the liquid level detection element 71 is arranged in the cavity, a water permeable hole which communicates the inner cylinder and 1 with the cavity is arranged on the protective cover 75, and water in the inner cylinder 1 can enter the cavity through the water permeable. Preferably, the liquid level detection element 71 can be arranged in the cavity of the lifting rib 4 as in the first embodiment.

As shown in fig. 3, the washing machine includes a central shaft 9 supporting and driving the inner tub 1 to rotate, the central shaft 9 is a hollow shaft, and water is injected into the inner tub 1 through the central shaft 9, as shown in fig. 1. The outer cylinder is provided with a bearing seat 21 for supporting the central shaft 9, the wireless charging transmitting end 732 is arranged on the bearing seat 21, and the wireless charging receiving end 731 is opposite to the wireless charging transmitting end 732 and is arranged on the outer side wall surface of the inner cylinder bottom 13 close to the central shaft 9.

As shown in fig. 3, in the embodiment, the wireless charging transmitting terminal 732 and the wireless charging receiving terminal 731 are both arranged annularly around the central shaft 9, and the annular arrangement in the embodiment has a lower cost than that in the first embodiment, and provides real-time and reliable data transmission for the control device, so that the cost is reduced, the real-time data transmission is beneficial to reducing the measurement error, and the accuracy, reliability and safety of data transmission are ensured.

The wireless charging transmitting terminal 732 and the wireless charging receiving terminal 731 in this embodiment may also be configured as one or more, and the difference from the first embodiment is that the wireless charging transmitting terminal 732 and the wireless charging receiving terminal 731 in this embodiment are both configured around the central shaft 9.

In this embodiment, the wireless signal transmitting terminal 721 and the wireless charging receiving terminal 731 are spaced apart from each other or integrally disposed, and the wireless signal receiving terminal 722 and the wireless charging transmitting terminal 732 are integrally disposed on the bearing housing 21 or integrally disposed on the control device.

EXAMPLE III

Referring to fig. 1, 3, 4 and 5, the water inlet structure 8 of the washing machine will be described in detail in this embodiment.

As shown in fig. 1 and 3, the inner tube 1 has the inner tube mouth and the inner tube bottom 13 which are arranged relatively, the water inlet structure 8 is arranged on the inner tube bottom 13, the water inlet structure 8 comprises a central shaft 9, the central shaft 9 is a hollow shaft, the inner tube 1 is arranged on the central shaft 9, the hollow structure of the central shaft 9 forms a flow channel and is respectively communicated with the inner tube 1 and a water injection pipeline of the washing machine, the use function of injecting water into the inner tube 1 is realized, and the inner tube 1 can smoothly enter water.

The structure of intaking 8 still including be located the inner tube 1 with the component 80 that looses of 9 one end intercommunications of center pin, the component 80 that looses on be equipped with towards the delivery port 81 in different position for to intaking and shunt the scattering, increased the area of contact of intaking with the clothing, improved the effect of soaking of clothing.

With reference to fig. 1, 3, 4 and 5, the flow dispersing element 80 has a bottom wall 84 close to the inner cylinder bottom 13, the bottom wall 84 is parallel to the inner cylinder bottom 13, and the bottom wall 84 is provided with a short connecting pipe 83 communicated with the central shaft 9; and the water outlet 81 is communicated with the short connecting pipe 83 and is uniformly distributed on the flow dispersion wall 82.

The flow dispersing wall 82 is arranged inside the inner barrel 1 and is arranged on the inner barrel bottom 13 in a bowl-shaped inverted buckle mode through a short connecting pipe 83, a hollow water inlet cavity is arranged between the flow dispersing wall 82 and the bottom wall 84, and the water outlet 81 is a hollow hole communicated with the water inlet cavity and used for communicating the water inlet cavity with the inner barrel 1.

The inner drum bottom 13 of the washing machine is provided with the flow dispersing element 80, so that the inlet water is communicated with the inner drum 1 through a plurality of water outlets 81 facing different directions, and the condition that the inlet water is blocked due to a single structure of the inlet water and the inlet water of the washing machine is not smooth is avoided. Meanwhile, a flow dispersing element 80 is arranged at the center of the inner barrel bottom 13, so that the inflow water is blocked by a flow dispersing wall 82 to generate scattered sputtering, and further, the coverage area of the inflow water is increased, and the wetting effect of clothes and the washing effect are improved. Meanwhile, the water inlet cavity in the flow dispersing element 80 has a buffering effect on inlet water and improves the smoothness of inlet water.

In this embodiment, the bottom wall 84 center of the flow dispersing element 80 near the inner barrel bottom 13 is provided with a short connecting pipe 83, the short connecting pipe 83 is a hollow pipe communicated with the water inlet cavity in the flow dispersing element 80, and the short connecting pipe 83 is communicated with the central shaft 9, so that water in the water injection pipeline can enter the inner barrel 1 conveniently, and the smoothness of water inlet is improved.

Example four

With reference to fig. 1, 3, and 6 to 9, the ventilation structure 12 of the washing machine will be described in detail in this embodiment.

As shown in fig. 1 and 3, the inner cylinder 1 has an inner cylinder opening and an inner cylinder bottom 13 which are oppositely arranged, and the inner cylinder opening is provided with an inner cylinder door 11 for closing the inner cylinder opening; the inner cylinder 1 is provided with a ventilation opening, and the ventilation opening is provided with a water-blocking and ventilation structure 12, so that the inside and the outside of the inner cylinder 1 are communicated through air flow and blocked by water flow through the ventilation structure 12. The inner cylinder 1 is provided with the ventilating structure 12 communicated with the outside, so that the inside of the inner cylinder 1 without the dehydration holes can be mutually ventilated with the outside, the internal pressure of the inner cylinder 1 is adjusted, and the aim of smoothly feeding water into the inner cylinder 1 or smoothly discharging water outwards is fulfilled.

The ventilation structure 12 comprises a ventilation film 123, and a narrow slit 124 through which gas flows is arranged on the ventilation film 123; the air permeable membrane 123 is assembled on a mounting structure, the mounting structure comprises a valve seat 121 mounted on the inner cylinder 1, the valve seat 121 comprises a disc-shaped main body with a plurality of hollow parts 122, and the periphery of the disc-shaped valve seat 121 is hermetically fixed with the wall surface of an air permeable opening on the inner cylinder 1; a gas permeable membrane 123 is laid on one side of the valve seat 121 far away from the inner cylinder 1, and a narrow slit 124 through which gas flows is arranged on the gas permeable membrane 123. The air-permeable membrane 123 is spaced from the disk-shaped valve seat 121 to leave a space for movement of the air-permeable membrane 123.

Through the arrangement, the breathable film 123 can be fixedly assembled on the inner barrel 1, and the breathable film 123 is fixedly installed; meanwhile, due to the blocking effect of the valve seat 121, the direct contact between the breathable film and the clothes and water flow in the cylinder is avoided, and the breathable film 123 is prevented from being damaged due to direct impact.

In this embodiment, the valve seat 121 includes two rings of annular brace rods that are coaxially arranged and have different diameters, and the outer ring of annular brace rods and the inner ring of annular brace rods are connected through a plurality of connecting rods that extend in the radial direction, and the connecting rods are evenly arranged at equal intervals and angles, and both ends of each connecting rod are connected with the inner periphery of the outer ring of annular brace rods and the outer periphery of the inner ring of annular brace rods respectively. Preferably, the inner ring annular support rib is arranged close to the inner part of the roller relative to the outer ring annular support rib, so that the connecting rib extends in an inward inclined manner.

In this embodiment, the outer ring support rib has a certain extension width along the axial direction, and one side of the outer ring support rib close to the inside of the roller is connected with the connecting rib, and one side of the outer ring support rib far away from the inner cylinder 1 is paved and covered with the breathable film 123.

In this embodiment, the vent membrane 123 is made of an elastic material, so that the vent membrane 123 deforms under the pressure difference between two sides to close or open the narrow slit 124 formed on the vent membrane 123; preferably, the slit 124 of the air permeable membrane 123 is in a cross shape, and the center of the cross shape is overlapped with the center of the air vent.

In this embodiment, the air permeable membrane 123 may be a flat two-way air permeable membrane capable of flowing air in two directions to both sides, as shown in fig. 7; the one-way breathable film can also be an arc-shaped one-way breathable film which can only flow air in one direction from the protruded side as shown in fig. 6, and the installation direction and the installation number of the one-way breathable films can be automatically adjusted according to the air flow direction.

In the embodiment, the inner cylinder 1 is provided with a ventilation opening, the valve seat 121 is correspondingly covered and assembled in the ventilation opening, and the periphery of the valve seat 121 is hermetically attached to the inner wall of the ventilation opening; preferably, the outer ring support rib of the valve seat 121 is correspondingly and hermetically attached to the inner wall of the ventilation opening; preferably, the inner side and the outer side of the outer ring support rib are respectively provided with outward bent flanges, and the flanges are correspondingly attached to the inner side and the outer side of the inner cylinder 1, so that the valve seat 121 is tightly assembled on the inner cylinder 1.

EXAMPLE five

The embodiment of the invention discloses a washing-free washing machine, wherein an inner cylinder 1 of the washing machine is a closed container with a cylinder opening of the inner cylinder buckled by a door cover, a plurality of lifting ribs 4 are arranged on the side wall of the inner cylinder 1, the lifting ribs 4 are hollow and communicated with the inside of the inner cylinder 1, at least one water outlet 44 communicated with the hollow parts of the lifting ribs 4 is arranged on the side wall of the inner cylinder 1, a sealing valve positioned in the lifting ribs 4 is arranged at the water outlet 44, and a valve core 424 of the sealing valve moves along the radial center direction of the inner cylinder 1 under the action of centrifugal force when the inner cylinder 1 rotates at high speed so as to open the water.

Through the arrangement, the water outlet is hidden in the inner cylinder lifting rib, and the aim that water flow in the inner cylinder is discharged from the hidden water outlet is fulfilled; meanwhile, a sealing valve is arranged at the water outlet, so that the valve core of the sealing valve is correspondingly controlled by utilizing the centrifugal force when the inner cylinder rotates at a high speed, and the water outlet is correspondingly opened and closed; when the washing machine executes a dewatering and/or draining program, the centrifugal force generated by the high-speed rotation of the inner cylinder acts on the valve core of the sealing valve, the water outlet is automatically opened, and the inner cylinder drains water correspondingly.

As shown in fig. 10 to 14, in the present embodiment, the inner cylinder lifting rib structure for the washing-free washing machine is described, the inner cylinder lifting rib 4 includes a lifting rib body 400 extending along a structural line of the inner cylinder sidewall, the body is a shell structure whose lower side is open and is fastened to the inner sidewall of the inner cylinder 1, the lifting rib body 400 is hollow to form a mounting cavity 43 for mounting the sealing valve, and the lifting rib 4 is provided with a water passing structure for guiding the washing water in the inner cylinder 1 into the mounting cavity 43.

The inner cylinder lifting rib is arranged into the hollow cavity, so that a cavity for installing the drainage sealing valve is formed in the lifting rib, and the sealing valve is further assembled in a concealed mode, and the function of draining water by utilizing centrifugal force of the washing-free washing machine is achieved; simultaneously, will promote the muscle and extend along inner tube structure line to when inner tube is rotatory, promote the muscle and block the washing water that the adherence flows, inside the washing water after the messenger blocks flows into the promotion muscle through the logical water structure that establishes on promoting the muscle, and then reach the outer mesh of arranging of guide rivers.

As shown in fig. 10, in this embodiment, two opposite side walls of the lower side of the lifting rib body 400 are respectively provided with a mounting rib protruding vertically downwards, and the lower end of the mounting rib is provided with a mounting structure fixed with the side wall of the inner cylinder 1.

In this embodiment, the left and right side edges of the lower side of the lifting rib 4 are respectively provided with a first mounting rib 415 and a second mounting rib 416, the lower end of the first mounting rib 415 is provided with a bolt hole 419 which is fixedly mounted opposite to the bolt hole arranged on the side wall of the inner cylinder 1, and the lower end of the second mounting rib 416 is provided with a positioning pin 418 which is inserted and positioned corresponding to the positioning hole arranged on the side wall of the inner cylinder 1; further preferably, two first mounting ribs 415 and two second mounting ribs 416 are distributed at four corners of the square lifting rib 4, and the two first mounting ribs 415 are arranged symmetrically with respect to the center of the lifting rib 4, and the two second mounting ribs 416 are arranged symmetrically with respect to the center of the lifting rib 4.

The four end corners of the lifting rib are respectively provided with the mounting ribs for fixing, so that the four end corners of the lifting rib are respectively fastened and mounted, and the assembly of the lifting rib is firmer; meanwhile, the bolt holes and the positioning pins are respectively arranged on the mounting ribs, so that the lifting ribs are fastened and fixed through the bolts after being pre-positioned and assembled through the positioning pins, and the assembling speed of the lifting ribs is improved.

As shown in fig. 13, in this embodiment, two opposite side walls of the lower side surface of the lifting rib 4 are respectively provided with a fixing rib 420 protruding vertically downward, and the lower end of the fixing rib 420 is provided with a claw 421 protruding horizontally and extending, so that the claw 421 is correspondingly clamped and fixed with a corresponding clamping hole on the side wall of the inner cylinder 1; preferably, the fixing rib 420 is arranged near the center of the corresponding side of the lifting rib 4; it is further preferred that the claws 421 protrude from the corresponding side of the lifting rib 4 toward the center of the lifting rib 4.

In this embodiment, the lifting rib body 400 is a cone gradually protruding upward from the left and right sides to the middle.

As shown in fig. 11 to 13, in this embodiment, the outer periphery of the lifting rib 4 is square with an end corner having an arc chamfer, the left and right side surfaces of the lifting rib 4 are inclined surfaces gradually rising from the outer periphery to the center, and the top of the lifting rib 4 is a smooth arc surface having an arc chamfer and connecting the top of the two side surfaces; the front end and the rear end of the lifting rib 4 are inclined planes which are gradually inclined downwards from the end part of the smooth cambered surface to the outer circumferential direction, and two side edges of the inclined planes are respectively connected with the corresponding ends of the side surfaces of the lifting rib 4 in a sealing way through arc-shaped chamfer surfaces.

Through will promote muscle outward appearance face and set up to constitute by a plurality of smooth curved surfaces to reduce the degree of friction who promotes muscle and clothing, and then improved washing efficiency, reduced clothing washing wear rate.

In this embodiment, the outer periphery of the lifting rib body 400 is correspondingly attached to and contacted with the side wall of the inner cylinder 1, and at least one section of opening 411 is arranged on the outer periphery, so that the washing water in the inner cylinder 1 can flow into the installation cavity 43 from the opening 411; preferably, the left side and the right side of the square lifting rib 4 are respectively provided with a plurality of sections of gaps 411 which are arranged at intervals; preferably, the left and right sides are provided with a gap 411 near two ends, the first mounting rib 415 and the second mounting rib 416 are respectively arranged in the corresponding cross section with the gap 411 at the corresponding end, and the fixing rib 420 and the gap are arranged in a staggered manner.

Through setting up the crisscross opening of multistage in promotion muscle bottom to under the prerequisite that provides firm assembly to promoting the muscle, utilize the opening will laminate the washing water that inner tube wall flows inside the muscle that promotes through the opening inflow after promoting the muscle to block, and then reached and utilized the high-speed rotatory centrifugal force effect of inner tube, made the washing water whole outer purpose of arranging through the opening that promotes the muscle bottom.

In this embodiment, the lower side of the installation cavity 43 surrounded by the lifting rib 4 is formed by the side wall of the inner cylinder 1, a water outlet 44 communicated with the inside of the installation cavity 43 is arranged in a corresponding area of the side wall of the inner cylinder 1, and a sealing valve controlled to be opened and closed by centrifugal force is arranged at the water outlet 44; preferably, the drain opening 44 is provided on the axis of the lifting rib 4.

In this embodiment, two limiting ribs 422 extending vertically and downwardly and located in the mounting cavity are disposed on the lower side of the lifting rib 4, and a gap is formed between the two limiting ribs 422, so that the weight block of the sealing valve moves in the gap, and the gap provides a limiting effect for the movement of the sealing valve; preferably, the two limiting ribs 422 are arranged symmetrically with respect to the axis of the lifting rib 4.

As shown in fig. 12, in the embodiment, a plurality of water-permeable holes 412 are distributed on the lifting rib body 400, and each water-permeable hole 412 communicates the mounting cavity 43 with the inner cylinder outside the lifting rib body 400, so as to guide the washing water in the inner cylinder 1 to flow into the lifting rib, and further increase the rate of the washing water in the inner cylinder flowing into the lifting rib. Preferably, the rear end of the lifting rib 4 is arranged close to the inner cylinder bottom, and a certain gap is formed between the bottom of the rear side of the lifting rib 4 and the side wall of the inner cylinder 1 so as to guide the washing water in the mounting cavity 43 to flow backwards to the inner cylinder bottom of the inner cylinder 1.

EXAMPLE six

As shown in fig. 10 to 16, in the present embodiment, a sealing valve mounting structure for a washing-free washing machine is described, the sealing valve mounting structure includes a supporting plate 49 mounted on the inner sidewall of the inner cylinder 1, a through hole 423 corresponding to the drainage port 44 formed on the sidewall of the inner cylinder 1 is formed in the middle of the supporting plate 49, and a certain gap is formed between the supporting plate 49 and the sidewall of the inner cylinder 1 to form a space for the upward and downward movement of the sealing valve core; a sleeve-shaped mounting sleeve 46 is fixedly mounted on the upper side of the supporting plate 49, and an inner through hole of the mounting sleeve 46 is coaxially opposite to a through hole 423 arranged on the supporting plate 49, so that a valve core of the sealing valve is coaxially and vertically mounted in the inner through hole.

The installation structure is arranged on the inner cylinder, so that the valve core of the sealing valve arranged at the water outlet can be correspondingly assembled at the gap between the support plate and the inner cylinder, the valve core has the vertical movement allowance at the gap, and the aim of correspondingly blocking or opening the water outlet by the valve core is fulfilled; meanwhile, the valve plug column is correspondingly assembled in the mounting sleeve so as to limit the valve plug column in the movement direction by using the mounting sleeve, thereby avoiding the inclination of the valve plug column; in addition, the mounting sleeve is arranged on the supporting plate, so that the supporting point of the balancing weight of the sealing valve can be correspondingly mounted at the periphery of the mounting sleeve, and the prying rotation and mounting fixation of the balancing weight are guaranteed.

In this embodiment, the sealing valve mounting structure is disposed inside the lifting rib in the first embodiment, one or more sealing valves may be mounted in the mounting cavity inside the lifting rib, and each sealing valve includes one sealing valve mounting structure described above.

As shown in fig. 10, in the present embodiment, at least one lifting rib 4 is installed on a sidewall of the inner tub 1 of the washing machine, the lifting rib body 400 is a shell structure whose lower side is open and is fastened to an inner sidewall of the inner tub 1, the lifting rib body 200 is hollow to form an installation cavity 43 for installing a sealing valve, and the sealing valve installation structure is disposed in the installation cavity 43.

As shown in fig. 14 to 16, in the present embodiment, the supporting plate 49 is a plate material that is flatly laid on the inner side wall of the inner cylinder, a plurality of sections of supporting ribs 410 that protrude downward are disposed on the lower side of the supporting plate 49, and the lower ends of the supporting ribs 410 are in limited contact with the inner side wall of the inner cylinder 1; preferably, a plurality of supporting ribs 410 are arranged at intervals on the periphery of the supporting plate 49; more preferably, the left and right sides of the supporting plate 49 are provided with a plurality of supporting ribs 410 arranged at intervals, and the front and rear sides of the supporting plate 49 are respectively provided with a whole supporting rib 410 extending along the corresponding side edge.

In this embodiment, the left and right sides of the lifting rib 4 are respectively provided with a notch 411, and the notches 411 are arranged corresponding to the side portions of the supporting plate 49, so that the side portions of the supporting plate 49 are clamped in the corresponding side notches 411.

In this embodiment, the supporting plate 49 is provided with a positioning groove 426 recessed downward and an insertion hole 425 penetrating therethrough; the insertion hole 425 vertically penetrates through the plate of the supporting plate, the lower side of the lifting rib 4 is provided with a first mounting rib 415 which protrudes downwards and extends and is coaxially and correspondingly arranged with the insertion hole 425, the lower end of the first mounting rib 415 is provided with a bolt hole 419 which is coaxially and oppositely arranged with the insertion hole, and a bolt 417 sequentially penetrates through the inner cylinder wall and the supporting plate 49 from the outer wall of the inner cylinder 1 upwards and is correspondingly screwed and fixed with the bolt hole 419 arranged on the first mounting rib 415, so that the supporting plate 49 and the lifting rib 4 are fixedly arranged with the inner cylinder 1; the positioning groove 426 is disposed on the upper side surface of the supporting plate 49, the lower side of the lifting rib 4 is provided with a second mounting rib 416 which protrudes downwards and extends and is coaxially and correspondingly disposed with the positioning groove 426, and the lower end of the second mounting rib 416 is provided with a positioning pin 418 which is correspondingly inserted and positioned with the positioning groove 426.

In this embodiment, the mounting sleeve 46 is a vertically extending cylindrical structure, the lower end of the mounting sleeve 46 is open, the upper end of the mounting sleeve is provided with a folding edge 427 protruding horizontally inward, and the inner periphery of the folding edge 427 is provided with an inner peripheral folding edge 428 extending vertically downward to the lower end of the mounting sleeve 46; the outer wall of the inner peripheral flange 428 is spaced from the inner wall of the flange 427 by a gap to form a chamber for mounting and fixing the return spring of the sealing valve; preferably, the lower end of the mounting sleeve 46 is attached to the upper side of the supporting plate 49, the mounting sleeve 46 and the through hole 423 formed in the supporting plate 49 are coaxially arranged, the inner circumference of the lower end of the mounting sleeve 46 is smaller than or equal to the diameter of the through hole 423, and the outer circumference of the lower end of the mounting sleeve is larger than the diameter of the through hole 423.

In this embodiment, the upper side of the supporting plate 49 is provided with an upward convexly extending mounting rib 429, the upper end of the sealing sleeve 46 is provided with an outward horizontally convexly extending rib 430, the extending end of the extending rib 430 is correspondingly overlapped and attached with the upper end of the mounting rib 429, the overlapped part is fixedly connected through a bolt, and the supporting plate 49 and the mounting sleeve 46 are fastened and mounted through the bolt; preferably, the upper side of the supporting plate 49 is provided with a mounting rib 429 arranged at each of the left and right sides of the through hole 423, and the left and right sides of the mounting sleeve 46 are respectively provided with an extending rib 430 protruding and extending outwards horizontally, so that the two extending ribs 430 and the corresponding mounting ribs 429 are respectively overlapped correspondingly and fixedly mounted via bolts.

In this embodiment, one side of the mounting sleeve 46 is provided with a second extending rib 414 protruding and extending outward horizontally, and an extending end of the second extending rib 414 is provided with a hinge hole 431 with an axis horizontally arranged for the hinge installation of the counterweight of the sealing valve; preferably, the angle between the second extending rib 414 and the extending direction of the extending rib 430 is 90 degrees, and the axis of the hinge hole 431 is parallel to the extending direction of the extending rib 430; preferably, the extending end of the second extending rib 414 is higher than the top of the mounting sleeve 46, the extending end of the second extending rib 414 is provided with an insertion groove 413, and the insertion groove 413 is arranged along the extending direction of the second extending rib 414 so as to allow the counterweight of the sealing valve to be correspondingly inserted; the insertion groove 413 is provided with a hinge hole 431 extending horizontally.

In this embodiment, two sealing valve mounting structures that are arranged oppositely are disposed in the mounting cavity 43 enclosed by the inside of the lifting rib 4, and the second extending ribs 414 of the two sealing valve mounting structures extend in the approaching direction oppositely.

EXAMPLE seven

As shown in fig. 10 to 16, the present embodiment describes a valve plug structure of a sealing valve for a washing machine, which includes a valve plug column 45 correspondingly installed on a drain opening formed in a sidewall of an inner cylinder 1, and a weight block 47 hinged to an upper end of the valve plug column 45; a sealing valve mounting structure is fixedly mounted on the sidewall of the inner cylinder 1, and a return spring 432 is clamped between the sealing valve mounting structure and the valve plug column 45.

Through installing above-mentioned valve plug structure on the inner tube, usable balancing weight produces the action of opening the outlet under centrifugal force, still can utilize reset spring to pull the valve plug post and reset, make the case correspond the shutoff outlet, and then realized utilizing the high-speed rotatory centrifugal force of inner tube to the valve plug post effect, and correspond the purpose of opening and closing the outlet.

The sealing valve plug structure in this embodiment may be mounted on the sealing valve mounting structure in the second embodiment, and the sealing valve plug may also be fixedly mounted on the inner drum of the washing machine through the sealing valve mounting structure; particularly, the sealing valve plug structure in the present embodiment may be correspondingly installed in the lifting rib described in the first embodiment through the sealing valve installation structure described in the second embodiment. Through set up the above-mentioned mounting structure that extends to the well kenozooecium of promotion muscle on the inner tube lateral wall to make the bracing piece install in the mount pad top apart from inner tube lateral wall take the altitude, can possess certain difference in height between messenger's bracing piece tip and the inner tube lateral wall, realized the balancing weight and moved the whereabouts downwards, prize the purpose that provides the displacement space to the case.

As shown in fig. 14 to 16, in the present embodiment, the valve plug column 45 is coaxially disposed at the drain opening 44, and the lower end of the valve plug column 45 is provided with a valve plug 424 protruding radially outward; preferably, the valve core 424 is a plug gradually expanding outward from bottom to top in radial dimension, and the radial width of the large end of the valve core 424 is larger than the diameter of the drain port 44, and the radial width of the small end is smaller than the diameter of the drain port 44.

In this embodiment, the sealing valve mounting structure includes a supporting plate 49 mounted on the inner sidewall of the inner cylinder 1, a through hole 423 corresponding to the water outlet 44 formed on the sidewall of the inner cylinder 1 is formed in the middle of the supporting plate 49, and a certain gap is formed between the supporting plate 49 and the sidewall of the inner cylinder 1 to form a space for the up-and-down movement of the valve core of the sealing valve; a sleeve-shaped mounting sleeve 46 is fixedly mounted on the upper side of the supporting plate 49, and an inner through hole of the mounting sleeve 46 is coaxially opposite to the through hole 423 formed in the supporting plate 49, so that the valve plug column 45 of the sealing valve is coaxially and vertically mounted in the inner through hole.

In this embodiment, the mounting sleeve 46 is a vertically extending cylindrical structure, the lower end of the mounting sleeve 46 is open, the upper end of the mounting sleeve is provided with a folding edge 427 protruding horizontally inward, and the inner periphery of the folding edge 427 is provided with an inner peripheral folding edge 428 extending vertically downward to the lower end of the mounting sleeve; the outer wall of the inner peripheral flange 428 is spaced from the inner wall of the flange 427 by a gap to form a chamber for mounting and fixing the return spring 432 of the sealing valve; preferably, the return spring 432 is sleeved on the outer wall of the inner peripheral folded edge 428, the upper end of the return spring 432 is abutted against the lower side of the folded edge 427, and the lower end of the return spring 432 is abutted against the big end of the valve core 424; it is further preferred that the outer wall of the plug post 45 abut against a corresponding stop on the inner wall of the inner peripheral flange 428.

In this embodiment, one side of the mounting sleeve 46 is provided with a second extending rib 414 protruding and extending outward horizontally, an extending end of the second extending rib 414 is provided with a hinge hole 431 whose axis is horizontally arranged, and the counterweight 47 of the sealing valve and the second extending rib 17 are hinged and mounted through a bolt passing through the hinge hole 431.

In this embodiment, the upper end of the counterweight block 47 is provided with a connecting rib 8 which protrudes and extends upward along the axial direction, the upper end of the valve plug column 45 penetrates through the top of the mounting sleeve 46, and the end part of the connecting rib 8 is hinged with the upper end of the valve plug column 45; the middle part of the connecting rib 8 is correspondingly overlapped and spliced with the second extending rib 414 of the mounting sleeve 46, and the overlapped part is hinged and mounted through a penetrating bolt; preferably, the extending end of the second extending rib 414 is higher than the top of the mounting sleeve 46, the extending end of the second extending rib 414 is provided with an insertion groove 413, the insertion groove 413 is arranged along the extending direction of the second extending rib 414, and the middle part of the connecting rib 8 of the sealing valve is correspondingly inserted into the insertion groove 413; the slot 413 is provided with a hinge hole 431 extending horizontally, and the middle part of the connecting rib 8 is provided with a hinge hole which is correspondingly overlapped so as to be hinged and installed at the overlapped part through a penetrating bolt.

In this embodiment, the end of the connecting rib 8 is provided with a rotating hole hinged to the upper end of the valve plug 45, and the rotating hole is a long-strip-shaped through hole 33 extending along the axial direction of the connecting rib shaft 8, so as to provide a space margin for the connecting rib 8 to drive the valve plug 45 to move up and down when the balancing weight 47 rotates around the mounting sleeve 46.

In this embodiment, the outer diameter of the upper end of the valve core 424 is larger than the lower diameter of the inner peripheral flange, and the height of the valve core 424 is smaller than the height of the gap between the support plate and the inner barrel side wall.

In this embodiment, two sealing valves that are arranged oppositely are disposed in the installation cavity 43 enclosed inside the lifting rib 4, the two sealing valves are arranged along the inner cylinder construction line direction, and the counter weights 47 of the valve core structures of the two sealing valves are opposite and extend in the approaching direction.

In this embodiment, when the washing machine is in a dewatering and/or draining state, the inner cylinder is in a high-speed rotation state, water in the inner cylinder flows to be attached to the inner wall under the action of centrifugal force, flows into the lifting rib from a gap between the inner cylinder wall and the lifting rib, and moves to the outer periphery of the inner cylinder under the action of the centrifugal force, and the balancing weight provides upward prying force towards the center direction of the inner cylinder for the valve plug column through the connecting rib; when washing machine is in non-dehydration, non-drainage state, the inner tube is not in high-speed rotation state, and the balancing weight no longer receives centrifugal force effect, and reset spring is in and draws the state of drawing, and reset spring makes the valve core move to initial position until closed outlet to inner tube is in washing or rinsing procedure earlier on to the valve plug post effect, and reset spring provides an elasticity to the valve plug post all the time to guarantee that the valve core blocks up the outlet all the time, and then guarantee that the outlet is in closed state all the time.

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

1. A washing machine characterized by: comprises that

An inner tub for independently containing washing water when washing clothes;

2. A washing machine as claimed in claim 1, characterized in that:

the liquid level detection device comprises a liquid level detection element and a communication element;

3. A washing machine as claimed in claim 2, characterized in that:

the communication element comprises a wireless signal transmitting end and a wireless signal receiving end;

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

comprises an outer cylinder coaxially sleeved outside the inner cylinder;

5. A washing machine as claimed in any one of claims 2 to 4, characterized in that:

the liquid level detection device also comprises a power supply element which is respectively and electrically connected with the liquid level detection element, the communication element and the control device;

6. A washing machine as claimed in claim 5, characterized in that:

the power supply element comprises a wireless charging receiving end and a wireless charging transmitting end;

7. A washing machine as claimed in claim 6, characterized in that:

comprises an outer cylinder coaxially sleeved outside the inner cylinder;

8. A washing machine as claimed in claim 7, characterized in that:

lifting ribs are arranged on the inner cylinder, the lifting ribs protrude towards the inner part of the inner cylinder, a cavity is formed between the lifting ribs and the wall surface of the inner cylinder, and water permeable holes communicated with the inner cylinder and the cavity are formed in the lifting ribs;

9. A washing machine as claimed in any one of claims 6 to 8, characterized in that:

the liquid level detection element, the wireless signal transmitting end and the wireless charging receiving end are all one;

10. A control method of a washing machine according to any one of claims 1 to 9, characterized in that: when the washing machine executes a water inlet program, the control device controls the liquid level control module to control the water level in the inner barrel according to the feedback signal of the liquid level detection device.