Washing barrel assembly and washing equipment

Abstract

The invention belongs to the technical field of washing equipment, and discloses a washing bucket assembly and washing equipment, and the washing bucket assembly comprises a washing bucket which independently contains washing water during washing; the water stirring component is arranged in the washing bucket, and the lower end of the water stirring component is rotatably mounted on the bucket bottom; the radius of the water stirring component at a certain distance from the barrel bottom is maximum, so that clothes can be washed below the maximum radius of the water stirring component; a water outlet and a centrifugal valve used for blocking the water outlet are arranged on the washing bucket below the maximum radius of the water stirring component, and when the rotating speed of the washing bucket is larger than or equal to the preset rotating speed, the centrifugal valve opens the water outlet under the action of centrifugal force. Line scraps or other dirt is prevented from being attached to the surface of the water stirring component through friction between clothes and the surface of the water stirring component, the water outlet is formed in the portion, below the maximum radius of the water stirring component, of the washing barrel, the water outlet can be cleaned through friction between the clothes and the inner wall of the washing barrel, and the situation that the water outlet is blocked by sundries such as the line scraps is prevented; and the user experience is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of laundry treatment, and particularly relates to a washing tub assembly, and also relates to a washing device having the washing tub assembly. Background Art

[0002] As a convenient laundry cleaning device, washing machines have been widely used in people's lives. Existing washing machines are divided into drum washing machines and pulsator washing machines. Among them, pulsator washing machines are favored by users due to their good cleaning effect.

[0003] A pulsator washing machine usually includes a washing inner tub and a pulsator, and the pulsator is arranged at the bottom of the washing inner tub. When the pulsator washing machine works, the rotation of the pulsator drives the washing water in the inner tub to rotate, so as to wash the clothes to be cleaned in the inner tub. The existing pulsator is usually a flat circular pulsator. During washing, dirt, lint and other impurities on the clothes are likely to accumulate in the gap between the bottom surface of the pulsator and the inner tub, and cannot be effectively cleaned simply by flushing. Moreover, dirt and lint are prone to breed bacteria in a humid environment for a long time, bringing a bad user experience to users. If you want to clean it thoroughly, you need to remove the pulsator and scrub the dirt in the gap, which is a relatively complicated operation and further deteriorates the user experience. In addition, when the above-mentioned pulsator washing machine is washing, all the clothes are located above the pulsator and cover the surface of the pulsator in a large area. Using the friction between the pulsator and the clothes to drive the clothes to move in the washing water will increase the entanglement and wear of the clothes. At the same time, the frictional force between the clothes and the pulsator will also increase the energy consumption required for the driving motor to drive the pulsator to rotate.

[0004] Moreover, for a non-porous tub washing machine, when dehydrating and draining, lint and other sundries are likely to block the drain port of the washing tub, resulting in poor drainage.

[0005] In view of this, the present invention is specifically proposed. Summary of the Invention

[0006] The present invention provides a washing tub assembly, which on the one hand avoids dirt accumulation between the water stirring member and the bottom surface of the washing tub, and on the other hand can solve the problem of poor drainage caused by lint and other sundries blocking the drain port of the washing tub.

[0007] To solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0008] A washing tub assembly includes:

[0009] A washing tub that independently holds washing water during laundry;

[0010] A water stirring member is provided inside the washing tub, and its lower end is rotatably mounted on the bottom of the tub; the water stirring member has the largest radius at a certain distance from the bottom of the tub, such that the laundry can be washed below the position where the water stirring member has the largest radius.

[0011] A drain port and a centrifugal valve for blocking the drain port are provided on the washing tub below the position where the water stirring member has the largest radius. When the rotational speed of the washing tub is greater than or equal to a predetermined rotational speed, the centrifugal valve is opened by the centrifugal force to open the drain port.

[0012] Furthermore, the drain port is provided on the tub wall below the position where the water stirring member has the largest radius, and the centrifugal valve is provided on one side of the tub wall away from the water stirring member.

[0013] Furthermore, a recess protruding towards the inside of the washing tub is provided at the lower end of the tub wall, the drain port is provided on the wall of the recess opposite to the water stirring member, and the centrifugal valve is provided inside the recess.

[0014] Furthermore, the recess includes:

[0015] A first wall is provided at the top of the recess, and the end away from the axis of the washing tub is connected to the tub wall;

[0016] A second wall extends downward from the end of the first wall close to the axis of the washing tub and is connected to the bottom of the tub; the drain port is provided on the second wall.

[0017] Furthermore, the recess extends horizontally towards both sides of the washing tub, at least part of the second wall is arranged as a plane, and the drain port is provided at the plane of the second wall;

[0018] Preferably, the second wall is an overall vertical plane; the first wall extends horizontally in the direction away from the axis of the washing tub, or the first wall extends upward obliquely in the direction away from the axis of the washing tub.

[0019] Furthermore, the drain port is provided as one and is blocked by one centrifugal valve; or, a plurality of drain ports are provided, and one centrifugal valve is respectively provided at each drain port, or two or more drain ports are simultaneously blocked by one centrifugal valve.

[0020] Furthermore, the recess is symmetric about the vertical connection line between the center of the recess and the axis of the washing tub;

[0021] Preferably, a plurality of centrifugal valves are provided and are symmetrically arranged with respect to the vertical connection line between the center of the recess and the axis of the washing tub;

[0022] Preferably, the opening and closing end of the centrifugal valve faces the vertical connection line between the center of the recess and the axis of the washing tub.

[0023] Furthermore, a plurality of recesses are provided and are evenly arranged along the circumferential direction of the washing tub;

[0024] Preferably, there are two recessed parts, and two drain ports are respectively arranged on the walls of the respective recessed parts opposite to the water-stirring member, and a centrifugal valve is respectively arranged at each drain port.

[0025] Furthermore, the centrifugal valve includes:

[0026] A movable rod, the first end of which is hinged to the washing tub, and a counterweight is arranged at the second end; a sealing part corresponding to the drain port is arranged in the middle;

[0027] An elastic component for driving the movable rod to rotate towards the side close to the drain port.

[0028] Furthermore, the drain port is arranged to protrude towards the outside of the washing tub, and the sealing part includes a groove-shaped sealing part which is sleeved on the drain port and elastically abuts against the outer peripheral wall of the drain port; and / or,

[0029] The sealing part includes a cylindrical sealing part which is inserted into the drain port and elastically abuts against the inner wall of the drain port.

[0030] Furthermore, the elastic component is arranged on the side of the movable rod far from the drain port and includes:

[0031] A guide cylinder which is arranged on the washing tub and has an opening at one end facing the movable rod;

[0032] A sliding column which is arranged in the guide cylinder and is slidably matched with the guide cylinder, at least partially extends outside the opening of the guide cylinder and abuts against the movable rod; a compression spring is arranged between the end of the sliding column far from the movable rod and the guide cylinder;

[0033] Preferably, the elastic component of the centrifugal valve is coaxially arranged with the drain port.

[0034] Furthermore, it further includes a water baffle which is arranged on the side of the drain port far from the axis of the washing tub, one end of which is connected to the barrel wall and the other end extends downward;

[0035] Preferably, the water baffle is arranged on the side of the recessed part far from the axis of the washing tub and extends downward from the top of the recessed part.

[0036] Preferably, the elastic component of the centrifugal valve is arranged on the water baffle.

[0037] Furthermore, the water-stirring member includes a support column coaxially arranged with the washing tub and water-stirring ribs protruding from the side wall of the support column; the support column is arranged with a variable diameter along the axis below the position where the radius of the water-stirring member is the largest and includes the following connected parts:

[0038] A first extension section, the side wall of which extends upward from the bottom of the washing tub; and,

[0039] A second extension section, the side wall of which extends outward and upward from the upper end of the first extension section to the height where the maximum radius of the water stirring member is located, so that clothes can be washed under the side wall of the second extension section.

[0040] Furthermore, the position where the maximum radius of the water stirring member is located is lower than the highest water level of the washing tub, so that the washing water level can be higher than the position where the maximum radius of the water stirring member is located, enabling the clothes to be washed above the position where the maximum radius of the water stirring member is located.

[0041] The present invention also provides a washing device, including the above-mentioned washing tub assembly.

[0042] After adopting the above technical solutions, the present invention has the following beneficial effects compared with the prior art.

[0043] 1. In the present invention, by setting the position where the maximum radius of the water stirring member is located at a certain distance from the bottom of the washing tub, the clothes can be washed under the position where the maximum radius of the water stirring member is located, enabling the surface of the water stirring member below the position where the maximum radius is located to contact the clothes in the tub. The friction between the clothes and the surface of the water stirring member can prevent lint or other dirt from adhering to the surface of the water stirring member. By setting the drain opening on the washing tub below the position where the maximum radius of the water stirring member is located, the friction between the clothes and the inner wall of the washing tub can be used to clean the drain opening, preventing lint and other debris from blocking the drain opening, effectively avoiding the problems that it is easy for dirt to accumulate between the water stirring member and the bottom of the tub and that the drain opening of the washing tub is easy to be blocked, and improving the user experience. At the same time, since the clothes can be washed under the position where the maximum radius of the water stirring member is located and will not cover the water stirring member in a large area, the energy consumption of the motor for driving the water stirring member can be reduced.

[0044] 2. In the present invention, by providing the recessed part, it is convenient to install the centrifugal valve, which can improve the overall effect of the washing tub. At the same time, it can enrich the washing surface of the washing tub, making the washing device have a better washing effect.

[0045] 3. In the present invention, by providing the water baffle, the washing water discharged from the drain opening can be blocked and converged, avoiding the splashing of the washing water everywhere.

[0046] 4. In the present invention, the water-stirring member includes a support column and water-stirring ribs. The support column is used for driving connection with the driving device of the washing equipment, so that the water-stirring member can be driven by the driving device to rotate in the washing tub. The water-stirring ribs play a role in stirring the clothes and water flow in the tub when the water-stirring member rotates. The support column is arranged to include a first extension section and a second extension section. In particular, the side wall of the second extension section extends outward and upward obliquely. On the one hand, it can guide the clothes to move outward here, strengthen the effect of driving the clothes to flip in the tub during the washing process, thereby enhancing the washing effect and reducing the entanglement of the clothes. On the other hand, it makes the clothes easier to contact the side wall of the second extension section, preventing the attachment of lint and dirt.

[0047] 5. In the present invention, the maximum radius of the water-stirring member is set to be lower than the highest water level of the washing tub. It is possible to wash with a water level higher than the height where the maximum radius of the water-stirring member is located, and make the clothes wash above the maximum radius of the water-stirring member. At the same time, a larger surface area of the water-stirring member can contact and rub against the clothes, enhancing the washing effect.

[0048] The following further describes in detail the specific embodiments of the present invention with reference to the accompanying drawings. Description of the Drawings

[0049] The accompanying drawings, as a part of the present invention, are used to provide a further understanding of the present invention. The schematic embodiments and descriptions thereof of the present invention are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the accompanying drawings in the following description are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the drawings:

[0050] Figure 1 is a schematic structural diagram of the inner side of the bottom of the washing tub in Embodiment 1 of the present invention;

[0051] Figure 2 is a schematic structural diagram of the outer side of the bottom of the washing tub when the centrifugal valve is opened in Embodiment 1 of the present invention;

[0052] Figure 3 is a schematic structural diagram of the outer side of the bottom of the washing tub when the centrifugal valve is closed in Embodiment 1 of the present invention;

[0053] Figure 4 is a schematic installation structure diagram of the centrifugal valve in Embodiment 1 of the present invention;

[0054] Figure 5 is a sectional view of the washing tub assembly in Embodiment 2 of the present invention;

[0055] Figure 6 is Embodiment of the present invention Figure 5 The enlarged view at C;

[0056] Figure 7 It is a cross-sectional view of a water seal structure in the second embodiment of the present invention;

[0057] Figure 8 It is an assembly drawing of another water seal structure in the second embodiment of the present invention;

[0058] Figure 9 It is a cross-sectional view of the washing tub assembly in the third embodiment of the present invention;

[0059] Figure 10 It is the embodiment of the present invention Figure 9 An enlarged view of part B;

[0060] Figure 11 It is a schematic diagram of separately arranging the first water seal structure in the third embodiment of the present invention;

[0061] Figure 12 It is a schematic diagram of simultaneously arranging the first and second water seal structures in the third embodiment of the present invention;

[0062] Figure 13 It is a cross-sectional view of the washing tub assembly in the fourth embodiment of the present invention;

[0063] Figure 14 It is a schematic diagram of the water stirring member in the fourth embodiment of the present invention;

[0064] Figure 15 It is a schematic diagram of the water stirring member in the fifth embodiment of the present invention.

[0065] In the figure:

[0066] 100, washing tub; 100-1, installation groove; 100-2, extension wall; 100-31, washing surface; 100-32, drain outlet; 100-4, recessed part; 100-41, first wall; 100-42, second wall; 100-5, water baffle; 200, water stirring member; 210, support column; 210-1, assembly part; 210-2, installation cavity; 210-3, assembly hole; 210-4, sealing groove; 210-5, sealing cover; 210-6, spline groove; 210-7, screw; 210-8, hollow column; 210-9, cavity; 211, first extension section; 212, second extension section; 213, first guiding surface; 214, second guiding surface; 215, connecting part; 220, water stirring rib; 230, water stirring disc; 231, stirring part; 240, water stirring part; 300, stirring shaft; 500, water seal structure; 501, first water seal structure; 502, second water seal structure; 500-1, first extension part; 500-2, second extension part; 500-3, skeleton; 500-4, sealing lip; 500-5, spring ring; 500-6, first sealing lip; 500-7, second sealing lip; 500-8, first rubber section; 500-9, second rubber section; 500-10, third sealing lip; 601, centrifugal valve; 601-1, movable rod; 601-2, counterweight; 601-3, elastic component; 601-31, guiding cylinder; 601-32, sliding column; 601-33, compression spring; 601-4, sealing part.

[0067] It should be noted that these drawings and text descriptions are not intended to limit the scope of the concept of the present invention in any way, but to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed implementation manners

[0068] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention, but are not used to limit the scope of the present invention.

[0069] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0070] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0071] As Figures 1 to 15 shown, an embodiment of the present invention provides a washing tub assembly of a washing device, and a washing device having the washing tub assembly. Among them, the washing device may be a washing machine, a washer-dryer, a nursing machine, or other washing devices having a clothing cleaning function.

[0072] Specifically, the washing tub assembly includes a washing tub 100, and a water stirring member 200 rotatably disposed inside the washing tub 100. The washing device further includes a driving device, such as a driving motor, and the driving device is respectively drivingly connected to the washing tub 100 and the water stirring member 200.

[0073] More specifically, the output shaft of the driving device is respectively drivingly connected to a stirring shaft 300 and a dehydration shaft. Among them, the stirring shaft 300 is connected to the water stirring member 200 and relatively fixed, and is used to drive the water stirring member 200 to rotate. The dehydration shaft is fixed to the bottom of the washing tub 100 and is used to drive the washing tub 100 to rotate.

[0074] During the washing process, the driving device drives the water stirring member 200 to rotate alone, or drives the water stirring member 200 and the washing tub 100 to rotate in opposite directions, so as to agitate the clothes and washing water in the tub by using the relative rotation tendency between the water stirring member 200 and the washing tub 100, and achieve a cleaning effect on the clothes. During the dehydration process, the driving device drives the water stirring member 200 and the washing tub 100 to rotate synchronously at a high speed, and uses centrifugal force to spin-dry the clothes in the tub.

[0075] However, lint and dirt shed during the clothes washing process are mixed into the washing water. If there is a relatively narrow gap structure between the water stirring member 200 and the washing tub 100, these lint and dirt are easily hidden in the gap structure and are difficult to be carried out by the water flow impact force during the washing process, and the user needs to manually disassemble the water stirring member 200 for cleaning. If the user does not clean for a long time, a large amount of dirt will accumulate in the gap between the water stirring member 200 and the washing tub 100, which is easy to breed bacteria and cause the problem of secondary pollution of clothes.

[0076] Embodiment 1

[0077] As Figures 1 to 4As shown in the figure, this embodiment provides a washing tub assembly and a washing device having the washing tub assembly, which are used to solve the problem that there are dead corners where dirt and grime accumulate between the water stirring member 200 and the washing tub 100, making it difficult to clean.

[0078] Specifically, the washing tub assembly described in this embodiment includes a washing tub 100 and a water stirring member 200 rotatably disposed inside the washing tub 100. Among them, the water stirring member 200 extends upward from the bottom of the washing tub 100 and has the largest radius at a certain distance from the bottom. This certain distance enables the clothes to be washed below the position where the radius of the water stirring member 200 is the largest.

[0079] In this embodiment, the water stirring member 200 and the washing tub 100 have the above-mentioned matching structure. Compared with a traditional pulsator washing machine or a stirring washing machine with a radial stirrer, there is a washing space below the position where the radius of the water stirring member 200 is the largest. The washing space is jointly formed by the surface of the water stirring member 200 below its largest radius, the barrel wall of the washing tub 100, and the bottom of the washing tub 100. Clothes can be washed in this washing space, so that the surface of the water stirring member 200 below its largest radius and the bottom of the washing tub 100 can contact the clothes in the tub. During the washing process, the friction between the clothes and the surface of the water stirring member 200 can prevent lint or other dirt from adhering to the surface of the water stirring member 200, effectively avoiding the problem that it is easy for dirt and grime to accumulate between the water stirring member 200 and the bottom of the tub and is difficult to clean, thus improving the user experience.

[0080] It should be noted that in the embodiments of the present invention, the radius of the water stirring member 200 refers to the distance from the farthest point from the rotation center to the rotation center on the horizontal cross-section obtained by taking a cross-section of the water stirring member 200 in the horizontal direction.

[0081] Specifically, if the cross-section of the water stirring member 200 is circular, then the radius is the radius R1 of this circular cross-section. If the cross-section of the water stirring member 200 is non-circular, then the radius is the distance R2 from the farthest point from the rotation center to the rotation center on this cross-section.

[0082] As a specific implementation manner, in this embodiment, the distance h from the position where the radius of the water stirring member 200 is the largest to the bottom of the tub is more than 10 cm, so as to ensure that the clothes can be washed below the position where the radius is the largest.

[0083] In a further solution of this embodiment, the maximum diameter of the water-stirring member 200 is lower than the highest water level of the washing tub 100, that is, there is also a certain distance in the height direction between the position with the maximum radius of the water-stirring member 200 and the mouth of the washing tub 100, so that the washing water level can be higher than the position with the maximum radius of the water-stirring member 200, enabling the clothes to be washed above the position where the maximum radius of the water-stirring member 200 is located. The highest water level refers to the water level height when the washing tub 100 reaches the maximum water capacity.

[0084] In the above solution, clothes can be accommodated for washing both above and below the position with the maximum radius of the water-stirring member 200 in the washing tub 100. In this way, the outer surface of the water-stirring member 200 can basically come into contact with the clothes to be washed, generating friction with the clothes, and the washing effect can be enhanced by increasing the surface area in contact with the clothes.

[0085] On the other hand, when a traditional pulsator washing machine is washing, the clothes cover the upper side surface of the pulsator in a large area and come into contact with it. The relative rotation of the pulsator and the tub body generates a relatively large force on the clothes, which easily drives the clothes to entangle. Compared with the pulsator washing machine, when the water-stirring member 200 in this embodiment is washing, when using a water level lower than the height where the maximum radius is located, the clothes will only contact the side surface of the water-stirring member 200, and the clothes are mainly driven to move in the tub by the water flow impact generated by the water-stirring member 200 stirring the washing water. The force directly exerted by the water-stirring member 200 on the clothes is greatly reduced, which also has the effect of preventing the clothes from entangling. And if using a water level higher than the height where the maximum radius is located for washing, although some clothes will be washed above the position where the maximum radius is located, since the maximum radius of the water-stirring member 200 in this embodiment is much smaller than the diameter of the washing tub 100, rather than the pulsator diameter in the pulsator washing machine being relatively close to the tub diameter, the contact area between the water-stirring member 200 and the clothes in this embodiment is greatly smaller than the contact area between the pulsator and the clothes in the pulsator washing machine, and the possibility of the clothes entangling is greatly reduced.

[0086] Furthermore, since the contact area between the clothes and the water-stirring member 200 is reduced, the friction between the clothes and the water-stirring member 200 is thereby reduced, which helps to reduce the wear of the water-stirring member 200 on the clothes and can also reduce the motor energy consumption when the driving device drives the water-stirring member 200 to rotate.

[0087] In this embodiment, the side surface of the water-stirring member 200 is arranged such that as the height of the rotation axis increases, the distance between the side surface of the water-stirring member 200 and the barrel wall of the washing tub 100 remains constant, or gradually or stepwise changes.

[0088] As a specific implementation, the water-stirring member 200 has a unique position with the maximum radius in the height direction. Further, at least below this position with the maximum radius, as the height increases, the distance between the side surface of the water-stirring member 200 and the barrel wall of the washing tub 100 decreases as the height increases.

[0089] It should be noted that the unique position with the maximum radius can refer to the water-stirring member 200 having a position with the maximum radius at a specific height, or it can refer to the water-stirring member 200 having a maximum radius within a certain continuous height range.

[0090] In the first specific solution, the position with the maximum radius of the water-stirring member 200 is set at the top of the water-stirring member 200. That is, the top surface of the water-stirring member 200 is the cross-section with the maximum radius.

[0091] In the second specific solution, the position with the maximum radius of the water-stirring member 200 is close to the top of the water-stirring member 200, but there is a certain distance from the top of the water-stirring member 200. Specifically, the upper side surface of the water-stirring member 200 at its position with the maximum radius is a curved surface that bulges upward, and the highest point of the curved surface forms the top of the water-stirring member 200.

[0092] In the third specific solution, the position with the maximum radius of the water-stirring member 200 is located in the middle part of the water-stirring member 200 in the height direction.

[0093] In a detailed solution, the distance between the side surface of the water-stirring member 200 and the barrel wall of the washing tub 100 changes continuously in the height direction. Specifically, as the height increases, the diameter of the water-stirring member 200 gradually increases from the bottom of the washing tub 100 upward until the position with the maximum radius is formed, and then the diameter of the water-stirring member 200 gradually decreases until it reaches the top of the water-stirring member 200.

[0094] In another detailed solution, the distance between the side surface of the water-stirring member 200 and the barrel wall of the washing tub 100 has a sudden change at at least one height position. Specifically, as the height increases, the diameter of the water-stirring member 200 first gradually increases from the bottom of the washing tub 100 upward. When it reaches a certain height, the diameter suddenly increases to form the position with the maximum radius. Then the diameter of the water-stirring member 200 remains constant within a certain height range, then suddenly decreases, and then continues to gradually decrease until the top of the water-stirring member 200 is finally formed. In this solution, the distance from the position with the maximum radius on the water-stirring member 200 to the bottom of the washing tub 100 refers to the distance from the lowest height in the height range where the diameter of the water-stirring member 200 remains constant to the bottom of the washing tub 100.

[0095] As another specific embodiment, the water stirring member 200 has a plurality of radially maximum positions distributed at intervals in the axial direction of the washing tub 100. Specifically, as the height increases, the diameter of the water stirring member 200 alternately increases and decreases, each time increasing to the same diameter size and then decreasing, thereby forming a plurality of radially maximum positions distributed at intervals.

[0096] In a further aspect of this embodiment, the height where the radially maximum position of the water stirring member 200 is located is set between the highest water level and the lowest water level of the washing device. In this way, when the washing device washes with different water levels, the rotation of the water stirring member 200 can generate different water flow patterns to drive the movement of the clothes for washing. In particular, as a specific embodiment, below the radially maximum position of the water stirring member 200, the clothes can move along a circular path for washing.

[0097] The above-mentioned circular path refers to moving from the bottom area of the washing tub 100 towards the center, being lifted by the water stirring member 200 to a position close to the radially maximum position of the water stirring member 200, moving towards the outer periphery and then falling.

[0098] As a specific solution, the circular path along which the clothes move below the radially maximum position of the water stirring member 200 during washing includes: the clothes moving from the bottom of the washing tub 100 towards the central area, moving upwards along the side surface of the water stirring member 200 in the central area to a position below the radially maximum position and then moving towards the outer periphery, and moving downwards in the area close to the wall of the washing tub 100.

[0099] In a further aspect of this embodiment, the water stirring member 200 includes a support column 210 coaxially arranged with the washing tub 100, and water stirring ribs 220 protruding from the side wall of the support column 210. The protruding direction of the water stirring ribs 220 on the side wall of the support column 210 coincides with the radial direction of the washing tub 100, or forms an angle less than 90° with the radial direction of the washing tub 100. In this way, when the water stirring ribs 220 rotate with the water stirring member 200, the water stirring ribs 220 have a surface opposite to the rotation direction, which can achieve an effective stirring effect. Among them, the support column 210 is used for driving connection with the driving device of the washing device, so that the water stirring member 200 can rotate under the drive of the driving device. The water stirring ribs 220 rotate with the water stirring member 200 in the washing tub 100, and play a role in stirring the clothes and water flow in the tub. The bottom of the washing tub 100, the side wall of the support column 210 and the wall of the washing tub 100 together form a space that can accommodate the clothes to be washed during washing, and the clothes can move along the above-mentioned circular path in the space.

[0100] The water-stirring member 200 having the above structure, the side surface of the water-stirring member 200 includes both the side wall of the support column 210 and the surface of the water-stirring rib 220 at the farthest point from the rotation axis, and the radius is the distance from the point at the farthest point from the rotation axis on the water-stirring rib 220 to the rotation center.

[0101] When the washing tub assembly of this embodiment is applied to a washing device, in a specific embodiment, when operating at a low water level lower than the maximum radius of the water-stirring member 200, the laundry can move along the above-mentioned circular path in the water.

[0102] Specifically, during the washing process, a relative rotation occurs between the water-stirring member 200 and the washing tub 100. The laundry moves from the bottom of the washing tub 100 towards the central region within the space below the maximum radius of the water-stirring member 200, and is lifted to below the maximum radius along the side wall of the support column 210 or the outer periphery of the water-stirring rib 220 in the central region, then moves outward, and then falls to the bottom of the tub in the area near the wall of the washing tub 100, forming a circular motion pattern.

[0103] When operating at a high water level higher than the maximum radius of the water-stirring member 200, in the area below the maximum radius of the water-stirring member 200, the laundry moves along the above-mentioned circular path in the water; while in the area above the maximum radius of the water-stirring member 200, the laundry moves approximately along the circumferential direction of the washing tub 100.

[0104] Specifically, during the washing process, a relative rotation occurs between the water-stirring member 200 and the washing tub 100. In the area below the maximum radius of the water-stirring member 200, the movement path of the laundry is basically the same as the movement path at a low water level. While in the area above the maximum radius of the water-stirring member 200, the laundry moves in a forward and reverse alternating manner along the circumferential direction of the washing tub 100 as the water-stirring member 200 rotates forward and backward alternately.

[0105] In the above solution, when different washing water levels are adopted, the water-stirring member 200 can drive the laundry in the tub to move in different ways for washing, providing a more diverse choice of washing methods. And in the area below the maximum radius of the water-stirring member 200, since the laundry moves along a circular path, on the one hand, it can strengthen the tumbling of the laundry and enhance the washing effect, and on the other hand, it avoids the problem that the existing pulsator washing machine easily drives the laundry to gather towards the center, resulting in entanglement of the laundry.

[0106] For the solution where the maximum radius of the water-stirring member 200 is located at or near the top of the water-stirring member 200, as a specific embodiment, the maximum radius of the water-stirring member 200 is formed by the upper end of the outer periphery of the water-stirring rib 220.

[0107] In this embodiment, the washing tub 100 is a perforation-free tub, which independently holds the washing water during laundry.

[0108] A drain opening 100-32 and a centrifugal valve 601 for blocking the drain opening 100-32 are provided on the washing tub 100 below the position where the radius of the water-stirring member 200 is the largest. When the rotation speed of the washing tub 100 is greater than or equal to a predetermined rotation speed, the centrifugal valve 601 is opened by the centrifugal force to open the drain opening 100-32.

[0109] By arranging the drain opening 100-32 on the washing tub 100 below the position where the radius of the water-stirring member 200 is the largest, it is possible to clean the drain opening 100-32 by the friction between the clothes and the inner wall of the washing tub 100, prevent debris such as lint from blocking the drain opening 100-32, effectively avoid the problem that the drain opening 100-32 of the washing tub 100 is easily blocked, and improve the user experience.

[0110] By arranging the drain opening 100-32 on the washing tub 100 below the position where the radius of the water-stirring member 200 is the largest, when the washing equipment washes clothes at any water level, the clothes can contact the position of the drain opening 100-32, thereby avoiding the accumulation of debris such as lint at the drain opening 100-32 and preventing the drain opening 100-32 from being blocked.

[0111] Specifically, during washing, the clothes move along an annular path below the position where the radius of the water-stirring member 200 is the largest. The moving annular path includes: the clothes move from the bottom of the washing tub 100 towards the central area, move upward along the side surface of the water-stirring member 200 in the central area to below the position where the radius is the largest and then move outward, and move downward in the area close to the barrel wall of the washing tub 100, so that the clothes can fully contact between the bottom and the barrel wall of the washing tub 100 below the position where the radius of the water-stirring member 200 is the largest. When the washing equipment washes clothes at any water level, the clothes can contact and rub against the position of the drain opening 100-32, avoiding blockage of the drain opening 100-32.

[0112] In this embodiment, the working mode of the centrifugal valve 601 is that during the normal washing process of the washing equipment, the centrifugal valve 601 blocks the drain opening 100-32, and when the washing tub 100 of the washing equipment rotates at a high speed, the centrifugal valve 601 is opened by the centrifugal force to open the drain opening 100-32.

[0113] In this embodiment, the predetermined rotation speed is a preset value that is greater than the washing rotation speed of the washing tub 100 and less than or equal to the dehydration rotation speed of the washing tub 100.

[0114] In this embodiment, the centrifugal valve 601 is disposed outside the washing tub 100 to block the drain port 100-32 from the end communicating with the outside of the washing tub 100. Thus, it can be avoided that the setting of the centrifugal valve 601 occupies the internal space of the washing tub 100. At the same time, the situation that the setting of the centrifugal valve 601 scratches the clothes can be avoided. Moreover, the cleaning effect of the clothes on the drain port 100-32 of the washing tub 100 can also be improved.

[0115] As Figure 1 shown, in this embodiment, the drain port 100-32 is disposed on the barrel wall below the maximum radius of the water stirring member 200, and the centrifugal valve 601 is disposed on the side of the barrel wall away from the water stirring member 200.

[0116] The centrifugal valve 601 includes a movable rod 601-1 and an elastic component 601-3. Specifically, the movable rod 601-1 is disposed on the washing tub 100. The first end of the movable rod 601-1 is hinged to the washing tub 100. A sealing portion 601-4 corresponding to the drain port 100-32 is disposed in the middle of the movable rod 601-1. A counterweight 601-2 is disposed at the second end of the movable rod 601-1. The driving component is used to drive the movable rod 601-1 to rotate toward the side close to the drain port 100-32.

[0117] In this embodiment, the first end of the movable rod 601-1 is hinged to the barrel wall of the washing tub 100. The elastic component 601-3 is disposed on the side of the movable rod 601-1 away from the drain port 100-32 and abuts against the movable rod 601-1. The movable rod 601-1 rotates toward the direction close to the drain port 100-32 under the action of the elastic component 601-3, so that the sealing portion 601-4 abuts against the barrel wall at the drain port 100-32 to realize the sealing of the drain port 100-32. When the rotation speed of the washing tub 100 reaches the set rotation speed, the centrifugal force received by the counterweight 601-2 is greater than the elastic force applied by the elastic component 601-3 on the movable rod 601-1 and contracts, so that the movable rod 601-1 rotates away from the drain port 100-32 under the drive of the counterweight 601-2, and the sealing portion 601-4 is separated from the barrel wall at the drain port 100-32 to open the drain port 100-32.

[0118] In some preferred embodiments of the present invention, the first end of the movable rod 601-1 is hinged to the washing tub 100 through a rotating shaft. The movable rod 601-1 rotates around the axis of the rotating shaft, and the axis of the rotating shaft is parallel to the rotation center of the washing tub 100.

[0119] Preferably, in this embodiment, the drain outlet 100-32 protrudes outward from the washing tub 100. The sealing portion 601-4 includes a groove-shaped sealing portion that is sleeved on the drain outlet 100-32 and elastically abuts against the outer peripheral wall of the drain outlet 100-32; and / or the sealing portion 601-4 includes a cylindrical sealing portion that is inserted into the drain outlet 100-32 and elastically abuts against the inner wall of the drain outlet 100-32.

[0120] As Figure 2 and Figure 4 shown, in this embodiment, the barrel wall at the drain outlet 100-32 protrudes and extends outward from the washing tub 100, forming a convex platform shape with a gradually decreasing diameter on the barrel wall. The shape of the groove-shaped sealing portion matches the shape of the convex platform-shaped drain outlet 100-32. At least the end of the groove-shaped sealing portion is made of a soft material such as rubber. The sealing groove 210-4 abuts against the outer peripheral wall of the drain outlet 100-32 and / or the barrel wall of the washing tub 100 outside the outer periphery of the drain outlet 100-32 to achieve sealing of the drain outlet 100-32.

[0121] Preferably, in some possible embodiments, the bottom of the groove of the groove-shaped sealing portion is made of rubber, or a rubber pad is provided on the bottom of the groove of the groove-shaped sealing portion, and the end of the drain outlet 100-32 elastically abuts against the bottom of the groove of the groove-shaped sealing portion.

[0122] In some possible embodiments, the cylindrical sealing portion protrudes from the middle of the movable rod 601-1. The diameter of the cylindrical sealing portion gradually decreases in the direction away from the movable rod 601-1. The movable rod 601-1 rotates in the direction close to the drain outlet 100-32 under the action of the elastic component 601-3, so that the cylindrical sealing portion on the movable rod 601-1 is inserted into the drain outlet 100-32, and the side wall of the cylindrical sealing portion elastically abuts against the inner wall of the drain outlet 100-32 to achieve sealing of the drain outlet 100-32.

[0123] In some possible embodiments, the sealing portion 601-4 includes a groove-shaped sealing portion and a cylindrical sealing portion, and the cylindrical sealing portion is provided on the bottom of the groove of the groove-shaped sealing portion.

[0124] As Figure 4As shown, in this embodiment, the elastic component 601-3 includes a guide cylinder 601-31, a sliding column 601-32, and a compression spring 601-33. Specifically, the guide cylinder 601-31 is disposed on the washing tub 100. The guide cylinder 601-31 has an opening at one end facing the movable rod 601-1. The sliding column 601-32 is disposed in the guide cylinder 601-31 and is slidably engaged with the guide cylinder 601-31. At least a part of the sliding column 601-32 extends outside the opening of the guide cylinder 601-31 and abuts against the movable rod 601-1. A compression spring 601-33 is disposed between the end of the sliding column 601-32 away from the movable rod 601-1 and the guide cylinder 601-31.

[0125] The end of the sliding column 601-32 extending outside the guide cylinder 601-31 is slidably engaged with the movable rod 601-1. Initially, under the action of the compression spring 601-33, the sliding column 601-32 slides outward of the guide cylinder 601-31, pressing the movable rod 601-1 against the tub wall, so that the sealing portion 601-4 on the movable rod 601-1 blocks the drain port 100-32. When the rotational speed of the washing tub 100 reaches the set rotational speed, the movable rod 601-1 rotates in a direction away from the drain port 100-32 under the action of centrifugal force, causing the sealing portion 601-4 to separate from the drain port 100-32, and the drain port 100-32 opens. During this process, the movable rod 601-1 and the sliding column 601-32 slide relative to each other, enabling the drain port 100-32 to be smoothly opened.

[0126] Preferably, in this embodiment, the end of the sliding column 601-32 extending outside the guide cylinder 601-31 is provided with a spherical surface or an arc surface to improve the smoothness of the rotation of the movable rod 601-1.

[0127] Preferably, the elastic component 601-3 is coaxially disposed with the drain port 100-32 to improve the sealing effect of the drain port 100-32.

[0128] Preferably, the end of the guide cylinder 601-31 away from the movable rod 601-1 is closed and connected to the tub wall.

[0129] As Figures 1 to 4 As shown, in this embodiment, a recessed portion 100-4 protruding inwardly of the washing tub 100 is provided at the lower end of the tub wall. The drain port 100-32 is provided on the wall of the recessed portion 100-4 opposite to the water stirring member 200. The centrifugal valve 601 is disposed in the recessed portion 100-4. By providing the recessed portion 100-4, it is convenient to install the centrifugal valve 601, the overall effect of the washing tub 100 can be improved. At the same time, the washing surface 100-31 of the washing tub 100 can be enriched, enabling the washing device to have a better washing effect.

[0130] Specifically, in this embodiment, the recessed portion 100-4 includes a first wall 100-41 and a second wall 100-42 that are connected to each other. The first wall 100-41 is disposed at the top of the recessed portion 100-4, and one end away from the axis of the washing tub 100 is connected to the tub wall. The second wall 100-42 extends downward from one end of the first wall 100-41 close to the axis of the washing tub 100 and is connected to the tub bottom. The first wall 100-41 and the second wall 100-42 together form the recessed portion 100-4.

[0131] In this embodiment, the second wall 100-42 can be an arc protruding into the interior of the washing tub 100, can be an arc protruding out of the washing tub 100, or can be a U-shaped with an opening facing the outside of the washing tub 100. The bottom of the U-shaped second wall 100-42 can be an arc protruding into the interior of the washing tub 100 or can be a flat surface. The first wall 100-41 of the recessed portion 100-4 is adapted to the second wall 100-42, and the first wall 100-41 extends from the upper edge of the second wall 100-42 in a direction away from the axis of the washing tub 100 and is connected to the tub wall.

[0132] In this embodiment, the second wall 100-42 is disposed at an angle with respect to the tub bottom of the washing tub 100, and this angle is greater than 0° and less than or equal to 90°.

[0133] In this embodiment, the drain port 100-32 is disposed on the second wall 100-42.

[0134] Preferably, in this embodiment, the first wall 100-41 extends horizontally in a direction away from the axis of the washing tub 100, or the first wall 100-41 extends obliquely upward in a direction away from the axis of the washing tub 100. More preferably, the first wall 100-41 extends obliquely upward in a direction away from the axis of the washing tub 100. Thus, it is possible to prevent washing water from accumulating on the first wall 100-41 of the recessed portion 100-4.

[0135] Preferably, in this embodiment, at least a part of the second wall 100-42 of the recessed portion 100-4 is provided as a flat surface, and the drain port 100-32 is disposed at the flat surface of the second wall 100-42, which is convenient for the swing rod to seal the drain port 100-32.

[0136] Preferably, in this embodiment, the recessed portion 100-4 extends horizontally to both sides of the washing tub 100, the extending direction of the recessed portion 100-4 is a straight line, and the second wall 100-42 is an overall vertical flat surface.

[0137] In some embodiments of the present invention, the drain port 100-32 is provided with one, and is blocked by a centrifugal valve 601. Preferably, the drain port 100-32 is provided in the middle of the second wall 100-42.

[0138] In some possible embodiments of the present invention, the drain port 100-32 is provided with a plurality of, and a centrifugal valve 601 is respectively provided at each drain port 100-32, and each drain port 100-32 is respectively sealed by a centrifugal valve 601.

[0139] In some possible embodiments of the present invention, the drain port 100-32 is provided with a plurality of, and two or more drain ports 100-32 are simultaneously blocked by a centrifugal valve 601. In this embodiment, two or more sealing portions 601-4 are respectively provided on the movable rod 601-1 of each centrifugal valve 601, and each sealing portion 601-4 is respectively used to correspondingly seal a drain port 100-32.

[0140] Preferably, in this embodiment, when the centrifugal valves 601 are provided with a plurality of, it is preferably to set the number of the centrifugal valves 601 as an even number, and the plurality of centrifugal valves 601 are symmetrically arranged on the second wall 100-42 to reduce the eccentric force of the rotation of the washing tub 100.

[0141] In this embodiment, the recessed portion 100-4 extends along a horizontal straight line, and the recessed portion 100-4 is symmetric about the vertical connection line between the center of the recessed portion 100-4 and the axis of the washing tub 100, that is, the recessed portion 100-4 is vertically bisected by a diameter of the washing tub 100 perpendicular to its extending direction.

[0142] A plurality of centrifugal valves 601 are provided, and are symmetrically arranged with respect to the vertical connection line between the center of the recessed portion 100-4 and the axis of the washing tub 100.

[0143] Preferably, in this embodiment, a plurality of recessed portions 100-4 are provided, and are evenly arranged along the circumference of the washing tub 100, and one or more centrifugal valves 601 are respectively provided on each recessed portion 100-4, and each centrifugal valve 601 is symmetrically arranged about the axis center of the washing tub 100.

[0144] Preferably, in this embodiment, a plurality of centrifugal valves 601 are respectively provided on each recessed portion 100-4, the centrifugal valves 601 are symmetrically arranged with respect to the vertical connection line between the center of the recessed portion 100-4 and the axis of the washing tub 100, and the opening and closing ends of the centrifugal valves 601 face the vertical connection line between the center of the recessed portion 100-4 and the axis of the washing tub 100.

[0145] In a specific embodiment of the present invention, two recessed portions 100-4 are provided. Two drain ports 100-32 are respectively provided on the second walls 100-42 of the two recessed portions 100-4. The two drain ports 100-32 are symmetric about the vertical connection line between the center of the recessed portion 100-4 and the axis of the washing tub 100. Two centrifugal valves 601 are respectively provided in each recessed portion 100-4, and each centrifugal valve 601 is respectively used to seal each drain port 100-32.

[0146] In this embodiment, the two centrifugal valves 601 on the same recessed portion 100-4 are symmetric about the vertical connection line between the center of the recessed portion 100-4 and the axis of the washing tub 100. The opening and closing ends of the two centrifugal valves 601 both face the vertical connection line between the center of the recessed portion 100-4 and the axis of the washing tub 100, that is, the opening and closing ends of the two centrifugal valves 601 on the same recessed portion 100-4 are oppositely arranged.

[0147] Specifically, the first end of the movable rod 601-1 of the centrifugal valve 601 is connected to the first wall 100-41 of the recessed portion 100-4 through a rotating shaft. The upper end of the rotating shaft is connected to the first wall 100-41 and extends vertically downward from the first wall 100-41. The first end of the movable rod 601-1 is connected to the rotating shaft through a bushing, and an axial limit fit is provided between the first end of the movable rod 601-1 and the rotating shaft.

[0148] The first end of the movable rod 601-1 is connected to the side of the end of the first wall 100-41 of the recessed portion 100-4 close to the second wall 100-42. A bent portion is provided on the movable rod 601-1 near the rotation center of the movable rod 601-1 and bent in the direction close to the second wall 100-42. The bent portion is bent in the direction close to the second wall 100-42 along the direction away from the rotation center of the movable rod 601-1. The movable rod 601-1 on the side of the bent portion away from the rotation center of the movable rod 601-1 is in contact with the second wall 100-42. The bent portion is provided at the part between the drain port 100-32 and the rotation center of the bent portion.

[0149] In this embodiment, by arranging the movable rod 601-1 to be hinged to the end of the first wall 100-41 and providing a bent portion on the movable rod 601-1, the movable rod 601-1 can have a larger rotation angle within the range not exceeding the recessed portion 100-4, improving the smoothness of drainage.

[0150] Preferably, as Figure 1 shown, in this embodiment, a water baffle 100-5 is further provided on the washing tub 100. The water baffle 100-5 is used to guide the washing water discharged from the drain port 100-32 to the lower part of the washing tub 100.

[0151] The water baffle 100-5 is arranged on the side of the drain opening 100-32 away from the axis of the washing tub 100. One end of the water baffle is connected to the barrel wall, and the other end extends downward. It can block and converge the washing water discharged from the drain opening 100-32 to prevent the washing water from splashing everywhere.

[0152] Specifically, the water baffle 100-5 is arranged on the side of the recess 100-4 away from the axis of the washing tub 100 and extends downward from the top of the recess 100-4.

[0153] Preferably, in this embodiment, the water baffle 100-5 extends along the circumferential direction of the washing tub 100. The upper end of the water baffle 100-5 is connected to the side of the first wall 100-41 of the recess 100-4 away from the axis of the washing tub 100, and the length direction of the water baffle 100-5 extends along the edge of the first wall 100-41 away from the axis of the washing tub 100. Preferably, the water baffle 100-5 extends vertically downward.

[0154] The movable rod 601-1 of the centrifugal valve 601 rotates between the second wall 100-42 and the water baffle 100-5.

[0155] Preferably, the elastic component 601-3 of the centrifugal valve 601 is arranged on the water baffle 100-5 and is coaxial with the drain opening 100-32.

[0156] In this embodiment, the water stirring member 200 has a maximum radius along the radial direction of the washing tub 100 at a certain distance from the inner surface of the bottom of the tub. A first guiding surface 213 extending from the region near the axis to the periphery is formed below this position, which is used to guide the clothes below this position to move along the first guiding surface 213 to the periphery during washing; a second guiding surface 214 extending upward is formed below the first guiding surface 213, which is used to guide the clothes to move along the second guiding surface 214 to the first guiding surface 213 during washing.

[0157] Specifically, in this embodiment, the water stirring member 200 includes a support column 210 arranged coaxially with the washing tub 100, and water stirring ribs 220 protruding from the side wall of the support column 210; the clothes can be washed in the space jointly formed by the bottom of the washing tub 100, the side wall of the support column 210 and the barrel wall of the washing tub 100.

[0158] The support column 210 is axially tapered below the maximum diameter of the water-stirring member 200, and includes a connected first extension section 211 and a second extension section 212; the side wall of the first extension section 211 extends upward from the bottom of the washing tub 100, and is used to guide clothes to move towards the maximum diameter of the water-stirring member 200 during washing; the side wall of the second extension section 212 extends from the upper end of the first extension section 211 to the periphery and slopes upward, extending to the height where the maximum diameter of the water-stirring member 200 is located, and is used to guide the clothes below this position to move towards the periphery during washing.

[0159] The side wall of the first extension section 211 constitutes the second guiding surface 214, and the side wall of the second extension section 212 constitutes the first guiding surface 213.

[0160] Specifically, when the water-stirring member 200 provided in this embodiment is applied to a washing device, during washing, the water-stirring member 200 rotates relative to the washing tub 100, and clothes can move from the bottom of the washing tub 100 towards the central area, and then move upward along the second guiding surface 214 to the first guiding surface 213, and move towards the periphery under the guidance of the first guiding surface 213, and then fall in the area near the wall of the washing tub 100, forming an annular path. On the one hand, it can strengthen the tumbling of clothes in the tub, thereby improving the washing effect. On the other hand, it also reduces the probability of clothes concentrating towards the center and getting entangled.

[0161] Preferably, in this embodiment, the water-stirring rib 220 has a certain extension length along the axis of the washing tub 100, and extends from the second guiding surface 214 to the first guiding surface 213.

[0162] In this embodiment, a plurality of water-stirring ribs 220 are arranged at intervals along the circumference of the support column 210, and the interval angle between adjacent two water-stirring ribs 220 is such that clothes can be washed in the interval area between adjacent two water-stirring ribs 220, avoiding dead corners where dirt is likely to accumulate.

[0163] Preferably, the distance between the side of the water-stirring rib 220 away from the axis of the water-stirring member 200 and the axis of the water-stirring member 200 increases with the increase of height.

[0164] The water-stirring rib 220 has the above structure, and can form the Coandă effect during washing, driving the water flow to flow along the outer periphery of the water-stirring rib 220, so that in the area near the axis of the washing tub 100, the water flow has a tendency to flow along the outer periphery of the water-stirring rib 220. As the height increases, the flow direction of the water flow is closer to upward rather than flowing towards the periphery. In this way, the lifting force of the water flow on the clothes in the area near the axis can be enhanced, driving the clothes to move upward to the first guiding surface 213 and finally forming an annular path.

[0165] It can be understood that the clothes moving along the bottom of the barrel toward the central area during washing can also be lifted along the outer edge of the water-stirring ribs 220 after contacting the water-stirring ribs 220. After moving to the maximum radius Rmax of the water-stirring part, they move toward the periphery under the action of inertia and centrifugal force, and finally fall to the bottom of the barrel along the wall of the washing barrel 100.

[0166] In the present embodiment, the washing water in the washing tub 100 moves toward the central area along the bottom of the washing tub 100 while rotating around the rotation center of the water stirring member 200 under the stirring of the water stirring member 200, then moves upward along the second guide surface 214 to the first guide surface 213, moves toward the periphery under the guidance of the first guide surface 213, and then falls in an area close to the wall of the washing tub 100.

[0167] In the preferred scheme of this embodiment, a smoothly transitioned rounded corner structure is provided at the connection position between the water stirring rib 220 and the support column 210, so that there are almost no cleaning dead corners on the water stirring component 200 where dirt is easily accumulated, thereby ensuring the cleanliness and hygiene of the inside of the washing barrel 100 to the greatest extent.

[0168] Further preferably, there is a rounded transition between the outer edge of the water-stirring rib 220 and the two side surfaces of the water-stirring rib 220 to avoid the existence of sharp corners that may scratch and damage clothes.

[0169] In this embodiment, by designing the specific structure of the water-stirring component 200, the side wall of the support column 210 is used to form a guiding surface that can guide the movement of clothes. Combined with the specific structure of the water-stirring rib 220, the effect of driving the clothes to move along a circular path below the maximum radius Rmax is better.

[0170] Preferably, in some specific embodiments of the present invention, the driving device of the washing equipment is respectively connected to the washing tub 100 and the water stirring member 200 for driving the washing tub 100 and the water stirring member 200 to rotate.

[0171] More specifically, the output shaft of the driving device is respectively connected to the stirring shaft 300 and the dehydrating shaft. The stirring shaft 300 is connected to the water stirring member 200 and relatively fixed, and is used to drive the water stirring member 200 to rotate. The dehydrating shaft is fixed to the bottom of the washing tub 100, and is used to drive the washing tub 100 to rotate.

[0172] During washing, the driving device drives the stirring shaft 300 and the dewatering shaft to rotate simultaneously or alternately, thereby driving the water stirring member 200 and the washing tub 100 to rotate simultaneously or alternately. The relative rotation between the water stirring member 200 and the washing tub 100 is used to agitate the clothes and the washing water in the tub, achieving a cleaning effect on the clothes. During the dewatering process, the driving device drives the stirring shaft 300 and the dewatering shaft to rotate synchronously and at high speed, thereby driving the water stirring member 200 and the washing tub 100 to rotate synchronously and at high speed, and using centrifugal force to spin-dry the clothes in the tub.

[0173] More specifically, in this embodiment, the driving device drives the washing tub 100 and the water stirring member 200 through a speed reduction and clutch device. The speed reduction and clutch device includes a stirring shaft 300 connected to the water stirring member 200 and a dewatering shaft connected to the washing tub 100. During washing, the speed reduction and clutch device executes the washing working condition. Driven by the driving device, the stirring shaft 300 and the dewatering shaft rotate simultaneously or alternately. For the case of simultaneous rotation, at least one of the rotation directions and speeds is different, so as to drive a relative rotation between the water stirring member 200 and the washing tub 100 for washing. During dewatering, the speed reduction and clutch device executes the dewatering working condition. Driven by the driving device, the stirring shaft 300 and the dewatering shaft rotate synchronously and at high speed, thereby driving the water stirring member 200 and the washing tub 100 to rotate synchronously and at high speed for dewatering.

[0174] In the above solution, the specific structure of the speed reduction and clutch device can adopt the structure of the speed reduction clutch in the existing double-power washing equipment.

[0175] In this embodiment, by using the relative rotation between the washing tub 100 and the water stirring member 200 during the washing process, the clothes in the tub can be driven to move in the area below the maximum radius Rmax of the water stirring member 200 for washing. On the one hand, the clothes can be in full contact with the outer surface of the water stirring member 200 and the inner wall of the washing tub 100 in the area below the maximum radius Rmax, effectively avoiding the problem that it is easy to hide dirt and scale between the water stirring member 200 and the bottom of the tub and is difficult to clean, and improving the user experience. On the other hand, part or all of the clothes are below the maximum radius Rmax of the water stirring member 200 during washing, rather than covering the water stirring member 200 in a large area, which can significantly reduce the resistance of the clothes to the rotation of the water stirring member 200, and thus is beneficial to reducing the power consumption of the motor that drives the water stirring member 200 to rotate by the driving device.

[0176] As a specific implementation manner, during the washing process, the driving device drives the washing tub 100 and the water stirring member 200 to rotate in opposite directions for washing.

[0177] Specifically, during washing, the driving device drives the water-stirring member 200 to rotate forward and backward alternately, and at the same time drives the washing tub 100 to rotate forward and backward alternately in the opposite direction to the water-stirring member 200. When the water-stirring member 200 rotates clockwise, the washing tub 100 rotates counterclockwise; conversely, when the water-stirring member 200 rotates counterclockwise, the washing tub 100 rotates clockwise.

[0178] In the above solution, when the washing tub 100 and the water-stirring member 200 rotate in the opposite direction, their rotation speeds can be the same or different. In a preferred solution, the washing tub 100 and the water-stirring member 200 rotate in the opposite direction at different rotation speeds, wherein the rotation speed of the water-stirring member 200 is greater than the rotation speed of the washing tub 100.

[0179] As another specific embodiment, during the washing process, the driving device drives the washing tub 100 and the water-stirring member 200 to rotate in the same direction at different rotation speeds for washing. For example, the rotation speed of the washing tub 100 is less than the rotation speed of the water-stirring member 200. In this way, relative rotation can also be formed between the washing tub 100 and the water-stirring member 200.

[0180] Similar to the previous specific embodiment, the washing tub 100 and the water-stirring member 200 also rotate forward and backward alternately during the washing process. That is, the washing tub 100 and the water-stirring member 200 rotate clockwise simultaneously at different rotation speeds, and then rotate counterclockwise simultaneously, repeating in a cycle.

[0181] As still another specific embodiment, during the washing process, the driving device drives the washing tub 100 and the water-stirring member 200 to rotate alternately, that is, when the water-stirring member 200 rotates, the washing tub 100 remains stationary, and when the washing tub 100 rotates, the water-stirring member 200 remains stationary. In this way, relative rotation can also be formed between the washing tub 100 and the water-stirring member 200.

[0182] Embodiment 2

[0183] As Figures 5 to 8 shown, in the embodiment of the present invention, a washing tub assembly of a washing device is introduced. The washing tub assembly includes a washing tub 100 and a water-stirring member 200 installed on the washing tub 100. When the washing device works, the rotation of the water-stirring member 200 drives the washing water in the washing tub 100 to rotate, so as to realize the washing of the clothes in the washing tub 100.

[0184] In this embodiment, the washing tub 100 is a tub without holes.

[0185] In this embodiment, when the water-stirring member 200 is installed, a gap is formed between the bottom of the water-stirring member 200 and the bottom of the washing tub 100. During the washing process, dirt, lint and other impurities on the clothes are likely to accumulate in the gap between the bottom of the water-stirring member 200 and the bottom of the tub. The area within this gap does not come into contact with the clothes. Therefore, the impurities in the gap are in a state of long-term accumulation and cannot be effectively cleaned simply by flushing, which is likely to breed bacteria and contaminate the clothes with the washing water.

[0186] In this embodiment, a water seal structure 500 is provided between the water-stirring member 200 and the bottom of the washing tub 100. The water seal structure 500 is used to prevent the washing water from entering the gap between the water-stirring member 200 and the bottom of the washing tub 100, thereby avoiding dirt, lint and other impurities falling from the clothes from entering and accumulating in the gap between the water-stirring member 200 and the bottom of the tub, improving the cleanliness of the space in the washing tub 100 that comes into contact with the washing water, and thus improving the washing effect on the clothes.

[0187] In this embodiment, the water-stirring member 200 extends along the axial direction of the washing tub 100. The lower end of the water-stirring member 200 is in plug-in and rotational fit with the inner surface of the bottom of the washing tub 100. A water seal structure 500 is provided between the circumferential surface of the lower end of the water-stirring member 200 and the center of the bottom of the tub closest to the center where the clothes can reach.

[0188] In this embodiment, by arranging the water-stirring member 200 to extend along the axial direction of the washing tub 100 and providing a water seal structure 500 between the circumferential surface of the lower end of the water-stirring member 200 and the center of the bottom of the tub closest to the center where the clothes can reach, the bottom of the washing tub 100 outside the water seal structure 500 can come into contact with the clothes, and the friction between the clothes and the inner surface of the bottom of the tub can be used to prevent lint or other dirt from adhering to the inner surface of the bottom of the tub. At the same time, the water seal structure 500 can prevent the washing water from flushing the dirt to a position where the clothes cannot reach, effectively avoiding the problem that it is easy for dirt to accumulate between the water-stirring member 200 and the bottom of the tub and is difficult to clean, and improving the user experience.

[0189] In this embodiment, the water-stirring member 200 extends upward from the bottom of the washing tub 100, including a support column 210 and water-stirring ribs 220 provided on the support column 210. The support column 210 extends along the axial direction of the washing tub 100. The water-stirring ribs 220 are provided on the circumferential side of the support column 210 and extend along the length direction of the support column 210. The lower end of the support column 210 is in rotational fit with the bottom of the washing tub 100.

[0190] An installation groove 100-1 is provided at the center of the bottom of the tub closest to the center where the clothes can reach. The lower end of the support column 210 is inserted into the installation groove 100-1, and the water seal structure 500 is provided between the groove wall of the installation groove 100-1 and the circumferential surface of the lower end of the support column 210.

[0191] Specifically, in this embodiment, the stirring shaft 300 of the washing device extends coaxially into the washing tub 100. The lower end of the support column 210 of the water stirring member 200 is connected to the upper end of the stirring shaft 300, and the stirring shaft 300 is used to drive the water stirring member 200 to rotate.

[0192] The installation groove 100-1 is arranged on the inner surface of the bottom of the washing tub 100 and is coaxially arranged with the washing tub 100. The installation groove 100-1 corresponds to the lower end of the support column 210. At least a part of the lower end of the support column 210 is inserted into the installation groove 100-1, and a rotating pair is formed between the support column 210 and the groove wall of the installation groove 100-1. The water seal structure 500 is arranged between the groove wall of the installation groove 100-1 and the peripheral surface of the lower end of the support column 210.

[0193] In this embodiment, the support column 210 extends along the axis of the washing tub 100. The periphery of the support column 210 is oppositely arranged with the barrel wall of the washing tub 100. The clothes in the washing tub 100 are arranged around the support column 210. During the rotation of the water stirring member 200, the clothes can contact the periphery of the support column 210 and the bottom of the washing tub 100 outside the support column 210. The friction between the clothes and the support column 210, and between the clothes and the part of the bottom of the barrel outside the support column 210 is used to prevent lint or other dirt from adhering to the periphery of the support column 210 and the bottom of the barrel outside the support column 210, effectively avoiding the problem that it is easy to hide dirt between the water stirring member 200 and the bottom of the barrel and it is difficult to clean, and improving the user experience.

[0194] The water seal structure 500 is annular and is arranged between the groove wall of the installation groove 100-1 and the peripheral surface of the lower end of the support column 210. The outer periphery of the water seal structure 500 is connected to the groove wall of the installation groove 100-1, and the inner periphery of the water seal structure 500 is elastically abutted against the peripheral surface of the lower end of the support column 210.

[0195] In this embodiment, a connecting portion 215 is arranged at the lower end of the support column 210. The support column 210 is rotationally matched with the groove wall of the installation groove 100-1 through the connecting portion 215, and the water seal structure 500 is arranged between the connecting portion 215 of the support column 210 and the inner wall of the installation groove 100-1.

[0196] An embedding groove is coaxially arranged at the notch of the installation groove 100-1. The diameter of the embedding groove is larger than the diameter of the installation groove 100-1. The water seal structure 500 is arranged in the embedding groove. Its lower end surface is attached to the bottom of the embedding groove, and its upper end surface is basically flush with the inner surface of the bottom of the barrel. Preferably, the outer diameter of the water seal structure 500 is greater than or equal to the inner diameter of the embedding groove, and the inner edge of the water seal structure 500 is elastically abutted against the peripheral surface of the lower end of the support column 210.

[0197] In this embodiment, the statement that "the upper end surface of the water seal structure 500 is substantially flush with the inner surface of the bottom of the barrel" can specifically mean that the upper end surface of the water seal structure 500 is flush with the inner surface of the bottom of the barrel, or that the upper end surface of the water seal structure 500 protrudes from the inner surface of the bottom of the barrel, or that the upper end surface of the water seal structure 500 is slightly lower than the inner surface of the bottom of the barrel.

[0198] As Figures 6 to 8 shown, in this embodiment, the water seal structure 500 includes a rubber body and a spring ring 500-5. The rubber body is disposed in the embedding groove and includes a rubber body main body adapted to the embedding groove and a sealing lip 500-4 elastically abutted between the inner circumference of the rubber body main body and the lower peripheral surface of the support column 210. The spring ring 500-5 is sleeved on the rubber body. By sleeving the spring ring 500-5 on the rubber body, the sealing effect of the water seal structure 500 can be enhanced.

[0199] Preferably, in this embodiment, the spring ring 500-5 is hidden in the embedding groove, which can prevent the spring ring 500-5 from contacting the washing water, thereby avoiding rusting of the spring ring 500-5 and improving the stability of the function effect of the water seal structure 500.

[0200] As Figure 6 and Figure 7 shown, in some possible embodiments, the rubber body includes a rubber body main body and a sealing lip 500-4 disposed on the inner circumference of the rubber body main body. The rubber body main body includes a first extension portion 500-1 and a second extension portion 500-2, which are integrally formed. The first extension portion 500-1 extends upward along the groove wall of the embedding groove from the bottom of the embedding groove, and the second extension portion 500-2 extends from the upper end of the first extension portion 500-1 toward the axis of the water stirring member 200. The sealing lip 500-4 extends from the inner circumference of the second extension portion 500-2 toward the support column 210. The water seal structure 500 abuts against the groove wall of the embedding groove through the first extension portion 500-1 and abuts against the lower peripheral side of the support column 210 through the sealing lip 500-4.

[0201] In this embodiment, the first extension portion 500-1 extends along the axial direction of the water stirring member 200. The outer diameter of the first extension portion 500-1 is greater than or equal to the groove wall of the embedding groove, and the inner diameter of the first extension portion 500-1 is greater than the inner diameter of the installation groove 100-1. The extending direction of the second extension portion 500-2 is substantially perpendicular to the extending direction of the first extension portion 500-1. Specifically, the second extension portion 500-2 can extend horizontally along the radial direction of the water stirring member 200, or can be set to extend downward obliquely along the direction close to the axis of the water stirring member 200, or can be set to extend upward obliquely along the direction close to the axis of the water stirring member 200.

[0202] Preferably, the second extension portion 500-2 extends radially along the water stirring member 200.

[0203] Preferably, in this embodiment, the thickness of the first extension portion 500-1 is substantially the same as the thickness of the second extension portion 500-2. The thickness of the first extension portion 500-1 is the difference between the outer radius and the inner radius of the first extension portion 500-1, and the thickness of the second extension portion 500-2 is the distance between the lower end surface and the upper end of the second extension portion 500-2.

[0204] In this embodiment, the sealing lip 500-4 is disposed on the inner circumference of the second extension portion 500-2 and extends from the inner circumference of the second extension portion 500-2 towards the axis of the water stirring member 200. The end of the sealing lip 500-4 is elastically abutted against the circumferential surface of the lower end of the support column 210, and the sealing lip 500-4 has multiple turns arranged along the axial direction of the water stirring member 200.

[0205] As Figure 7 shown, in this embodiment, the sealing lip 500-4 located at the upper end of the inner circumference of the second extension portion 500-2 extends obliquely upward in the direction close to the axis of the water stirring member 200, the sealing lip 500-4 located in the middle of the inner circumference of the second extension portion 500-2 extends horizontally in the direction close to the axis of the water stirring member 200, and the sealing lip 500-4 located at the lower end of the inner circumference of the second extension portion 500-2 extends obliquely downward in the direction close to the axis of the water stirring member 200.

[0206] In this embodiment, the "sealing lip 500-4 located at the upper end of the inner circumference of the second extension portion 500-2", the "sealing lip 500-4 located in the middle of the inner circumference of the second extension portion 500-2", and the "sealing lip 500-4 located at the lower end of the inner circumference of the second extension portion 500-2" are each provided with at least one turn.

[0207] In this embodiment, two turns of the sealing lip 500-4 can be provided on the inner circumference of the second extension portion 500-2, and one turn is provided for each of the "sealing lip 500-4 located at the upper end of the inner circumference of the second extension portion 500-2", the "sealing lip 500-4 located in the middle of the inner circumference of the second extension portion 500-2", and the "sealing lip 500-4 located at the lower end of the inner circumference of the second extension portion 500-2".

[0208] Preferably, in this embodiment, the spring coil 500-5 is sleeved on the lowermost sealing lip 500-4.

[0209] Specifically, the innermost and lowermost sealing lip 500-4 on the inner circumference of the second extension portion 500-2 extends obliquely downward in a direction close to the axis of the water stirring member 200, and the end of the sealing lip 500-4 bends and extends downward and away from the axis of the water stirring member 200. The spring coil 500-5 is sleeved on the end of the sealing lip 500-4.

[0210] Preferably, in this embodiment, the curvature of the end of the innermost and lowermost sealing lip 500-4 on the inner circumference of the second extension portion 500-2 bending downward and away from the axis of the water stirring member 200 is the same as the curvature of the cross section of the spring coil 500-5, and the end of the innermost and lowermost sealing lip 500-4 on the inner circumference of the second extension portion 500-2 covers the spring coil 500-5. Specifically, the end of the innermost and lowermost sealing lip 500-4 on the inner circumference of the second extension portion 500-2 covers at least the side of the spring coil 500-5 close to the axis of the water stirring member 200.

[0211] In this embodiment, the inner diameter of the spring coil 500-5 is less than or equal to the diameter of the lower end of the support column 210, so that the sealing lip 500-4 is hoop-shaped on the support column 210, and at the same time, the spring coil 500-5 can be prevented from contacting the washing water.

[0212] Preferably, in this embodiment, the water seal structure 500 further includes a skeleton 500-3. The skeleton 500-3 is located inside the rubber body main body, and its extending direction is basically the same as the extending direction of the rubber body main body. The "basically the same" can mean that the extending direction of the skeleton 500-3 is the same as the extending direction of the rubber body main body, or there can be a slight deviation between the extending direction of the skeleton 500-3 and the extending direction of the rubber body main body.

[0213] In this embodiment, by using the setting method of cooperating the skeleton 500-3 and the rubber body, and embedding the skeleton 500-3 inside the rubber body, the shape and position of the first extension portion 500-1 and the second extension portion 500-2 of the rubber body can be shaped and supported, making the rubber body stronger.

[0214] Specifically, the skeleton 500-3 is made of a hard material, and the skeleton 500-3 is injection-molded inside the rubber body and is arranged in the middle of the first extension portion 500-1 and the second extension portion 500-2.

[0215] Preferably, the skeleton 500-3 is arranged inside the rubber body main body, and both ends of the skeleton 500-3 extend from the corners of the first extension portion 500-1 and the second extension portion 500-2 into the first extension portion 500-1 and the second extension portion 500-2 respectively.

[0216] Such as Figure 8As shown, in some other possible embodiments, the rubber body includes a rubber body main body and a sealing lip 500-4 provided on the inner circumference of the rubber body main body.

[0217] In this embodiment, the shape of the rubber body main body is substantially the same as the shape of the embedding groove. The rubber body main body includes a first rubber section 500-8 and a second rubber section 500-9 whose outer diameters gradually decrease from top to bottom, and the first rubber section 500-8 and the second rubber section 500-9 are integrally formed.

[0218] The outer circumference of the first rubber section 500-8 is elastically abutted against the groove wall of the embedding groove, and / or, the outer circumference of the first rubber section 500-8 is adhered to the groove wall of the embedding groove. The spring ring 500-5 is sleeved on the outer circumference of the second rubber section 500-9. Thus, it can be avoided that the washing water contacts the spring ring 500-5.

[0219] Preferably, in this embodiment, the lower end of the rubber body main body abuts against the bottom of the embedding groove, and the upper end of the rubber body main body is substantially flush with the inner surface of the barrel bottom. Preferably, the upper end surface of the rubber body main body is flush with the inner surface of the barrel bottom of the washing barrel 100.

[0220] Preferably, in this embodiment, an annular groove is provided on the outer circumference of the second rubber section 500-9, and the spring ring 500-5 is arranged in the annular groove. Thus, it can be avoided that the spring ring 500-5 disengages from the second rubber section 500-9.

[0221] and / or, the lower end of the outer circumference of the second rubber section 500-9 protrudes outward in a direction away from the water stirring member 200, for limiting the axial position of the spring ring 500-5 to avoid the spring ring 500-5 disengaging from the second rubber section 500-9.

[0222] In this embodiment, the sealing lip 500-4 includes a first sealing lip 500-6 and a second sealing lip 500-7. The first sealing lip 500-6 is provided on the inner circumference of the first rubber section 500-8, and the second sealing lip 500-7 is provided on the inner circumference of the second rubber section 500-9. The water seal structure 500 is elastically abutted against the outer circumference of the lower end of the support column 210 through the first sealing lip 500-6 and the second sealing lip 500-7.

[0223] Specifically, the first sealing lip 500-6 is provided on the inner circumference of the first rubber section 500-8 and extends obliquely upward along the direction close to the axis of the water stirring member 200 from the inner circumference of the first rubber section 500-8; the first sealing lip 500-6 has at least two turns and is arranged at intervals along the axis of the first rubber section 500-8.

[0224] Preferably, in this embodiment, the inner diameter of the first rubber section 500-8 is larger than that of the second rubber section 500-9. A step is formed between the inner walls of the first rubber section 500-8 and the second rubber section 500-9. The lowermost first sealing lip 500-6 is arranged at the junction of the inner circumferences of the first rubber section 500-8 and the second rubber section 500-9, and the top of the uppermost first sealing lip 500-6 is flush with the upper end face of the rubber body main body.

[0225] Specifically, in this embodiment, there are two circles of the first sealing lips 500-6, arranged along the axial direction of the first rubber section 500-8. The top of the upper first sealing lip 500-6 is flush with the upper end face of the rubber body main body. The lower end face of this first sealing lip 500-6 extends obliquely upward from the inner circumference of the first rubber section 500-8 along the direction close to the axis of the water stirring member 200. The thickness of the upper first sealing lip 500-6 gradually increases along the direction away from the axis of the water stirring member 200.

[0226] The lower first sealing lip 500-6 extends obliquely upward from the junction of the inner circumferences of the first rubber section 500-8 and the second rubber section 500-9 along the direction close to the axis of the water stirring member 200. The lower end of the root of the lower first sealing lip 500-6 is connected to the upper end of the inner circumference of the second rubber section 500-9, and the upper end of the root of the lower first sealing lip 500-6 is connected to a position near the lower end of the inner circumference of the first rubber section 500-8. That is, the lower first sealing lip 500-6 extends upward and in the direction close to the axis of the water stirring member 200 from the corner of the inner wall of the first rubber section 500-8 and the inner wall of the second rubber section 500-9.

[0227] Preferably, in this embodiment, it further includes a third sealing lip 500-10, and the third sealing lip 500-10 is arranged between the two first sealing lips 500-6. Specifically, a third sealing lip 500-10 extending downward is arranged at the root of the upper first sealing lip 500-6, and the end of the third sealing lip 500-10 abuts against the middle part of the lower first sealing lip 500-6.

[0228] In this embodiment, the third sealing lip 500-10 extends vertically downward as a whole. The side of the third sealing lip 500-10 close to the axis of the water stirring member 200 extends downward and bends away from the circumference line of the water stirring member 200 from the middle part of the upper first sealing lip 500-6. The end of the side of the third sealing lip 500-10 close to the axis of the water stirring member 200 extends vertically downward. The side of the third sealing lip 500-10 away from the axis of the water stirring member 200 extends downward and obliquely in the direction close to the axis of the water stirring member 200 from the root of the upper first sealing lip 500-6.

[0229] The end of the third sealing lip 500-10 corresponds to the middle of the first sealing lip 500-6 located below. Specifically, the end of the third sealing lip 500-10 corresponds to the position above the first sealing lip 500-6 located below and close to the root of the first sealing lip 500-6. There may be an abutting connection or a certain distance between the third sealing lip 500-10 and the first sealing lip 500-6 located below.

[0230] In this embodiment, the arrangement of the first sealing lip 500-6 can enhance the sealing effect of the first sealing lip 500-6. Specifically, the third sealing lip 500-10 can support the first sealing lip 500-6 located below, assisting the first sealing lip 500-6 located below to rebound towards the direction close to the axis of the water stirring member 200, thereby improving the sealing effect.

[0231] In this embodiment, the axial cross-section of the first sealing lip 500-6 located below is a long rectangular shape.

[0232] In this embodiment, the second sealing lip 500-7 is arranged on the inner circumference of the second rubber section 500-9. The second sealing lip 500-7 is serrated, and the axial cross-section of the second sealing lip 500-7 is a triangular shape protruding towards the direction close to the axis of the water stirring member 200.

[0233] Preferably, the second sealing lip 500-7 is provided with at least two continuous turns along the axial direction of the second rubber section 500-9.

[0234] Preferably, in this embodiment, the lower end surface of the second rubber section 500-9 is set as an inclined surface that slopes downward along the direction close to the axis of the water stirring member 200. The lower end of the second rubber section 500-9 abuts against the bottom of the embedding groove through the inclined surface that slopes downward along the direction close to the axis of the water stirring member 200.

[0235] In this embodiment, the middle of the lower end surface of the second sealing lip 500-7 located at the lowermost part abuts against the edge of the bottom of the embedding groove close to the axis of the water stirring member 200.

[0236] Further preferably, the upper end surface of the first rubber section 500-8 is set as a horizontal plane extending along the radial direction of the water stirring member 200.

[0237] Embodiment III

[0238] As Figures 9 to 12As shown in the figure, in an embodiment of the present invention, a washing device is introduced. The washing device includes a washing tub 100 and a water-stirring member 200 installed on the washing tub 100. When the washing device works, the rotation of the water-stirring member 200 drives the washing water in the washing tub 100 to rotate, realizing the washing of the clothes in the washing tub 100.

[0239] In this embodiment, the washing tub 100 is a non-porous tub.

[0240] In this embodiment, when the water-stirring member 200 is installed, a gap is formed between the bottom of the water-stirring member 200 and the bottom of the washing tub 100. During the washing process, dirt, lint and other impurities on the clothes are likely to accumulate in the gap between the bottom of the water-stirring member 200 and the bottom of the tub. The area in this gap does not come into contact with the clothes. Therefore, the impurities in the gap are in a state of long-term accumulation and cannot be effectively cleaned simply by flushing, which is likely to breed bacteria and cause pollution to the clothes along with the washing water.

[0241] In this embodiment, a water seal structure 500 is provided between the water-stirring member 200 and the bottom of the washing tub 100. The water seal structure 500 is used to prevent the washing water from entering the gap between the water-stirring member 200 and the bottom of the washing tub 100, thereby avoiding dirt, lint and other impurities falling from the clothes from entering the gap between the water-stirring member 200 and the bottom of the tub and accumulating, improving the cleanliness of the space in the washing tub 100 that comes into contact with the washing water, and thus improving the washing effect on the clothes.

[0242] The water seal structure 500 is at least provided at one end where the gap between the water-stirring member 200 and the bottom of the tub communicates with the washing space inside the washing tub 100.

[0243] In this embodiment, the water-stirring member 200 extends upward from the bottom of the washing tub 100, including a support column 210 and water-stirring ribs 220 provided on the support column 210. The support column 210 extends along the axial direction of the washing tub 100, the water-stirring ribs extend along the length direction of the support column 210, and the lower end of the support column 210 is rotationally matched with the bottom of the washing tub 100. The water seal structure 500 is provided at one end where the gap between the lower end of the support column 210 and the bottom of the tub communicates with the washing space of the washing tub 100. In this embodiment, by setting the rotational match between the support column and the bottom of the tub, the bottom disc-shaped stirring part is cancelled, which can reduce the coverage area of the gap between the water-stirring member and the bottom of the tub and reduce the retention of dirt. At the same time, the model of the water seal structure can be reduced, and the damping of the rotational movement of the water-stirring member can be reduced.

[0244] In this embodiment, the stirring shaft 300 of the washing device extends coaxially into the washing tub 100. The lower end of the support column 210 of the water-stirring member 200 is connected to the upper end of the stirring shaft 300, and the stirring shaft 300 is used to drive the water-stirring member 200 to rotate.

[0245] In some possible embodiments, the support column 210 is disposed above the bottom of the washing tub 100, a gap is formed between the lower end face of the support column 210 and the bottom of the washing tub 100, and the water seal structure 500 is disposed at least between the outer edge of the lower end face of the support column 210 and the bottom.

[0246] Specifically, in this embodiment, the water seal structure 500 is annular, the lower end of the water seal structure 500 is fixedly connected to the bottom of the washing tub 100, and the upper end of the water seal structure 500 is elastically abutted against the lower end face of the support column 210. Preferably, the outer edge of the water seal structure 500 is coplanar with the circumferential wall of the bottom wall of the support column 210.

[0247] The lower end of the water seal structure 500 can be clamped and / or adhered to the bottom. The upper end of the water seal structure 500 is elastically abutted against the lower end face of the support column 210 through a serrated surface, and the serrated surface includes a plurality of serrations arranged continuously along the radial direction of the water stirring member 200.

[0248] Preferably, in this embodiment, the surface of the support column 210 in contact with the water seal structure 500 is set as a metal surface. A metal insert is provided at the lower end of the support column 210, and the support column 210 is abutted against the water seal structure 500 through the metal insert, which can make the lower end surface of the support column 210 smooth, thereby further improving the sealing effect between the support column 210 and the water seal structure 500 and reducing the damping force therebetween.

[0249] In this embodiment, the water seal structure 500 is made of rubber material and can be provided with multiple circles arranged along the radial direction of the water stirring member 200.

[0250] As Figures 10 to 12 shown, in some other possible embodiments, an installation groove 100-1 is provided on the inner side of the bottom of the washing tub 100, the installation groove 100-1 corresponds to the lower end of the support column 210, and the water seal structure 500 is disposed between the bottom of the installation groove 100-1 and the lower end face of the support column 210; and / or, at least a part of the lower end of the support column 210 is inserted into the installation groove 100-1, and the water seal structure 500 is disposed between the groove wall of the installation groove 100-1 and the circumferential surface of the lower end of the support column 210.

[0251] As Figure 11As shown, in this embodiment, the water seal structure 500 includes a first water seal structure 501, which is annular and is disposed between the bottom of the installation groove 100-1 and the lower end face of the support column 210; the lower end of the first water seal structure 501 is fixed on the bottom of the installation groove 100-1, and there is an elastic abutment between the upper end of the first water seal structure 501 and the lower end face of the water stirring member 200; preferably, the outer periphery of the first water seal structure 501 fits against the groove wall of the installation groove 100-1.

[0252] Specifically, the upper end face of the first water seal structure 501 is provided as serrated, and the upper end face of the first water seal structure 501 includes a plurality of serrations arranged continuously along the radial direction of the water stirring structure.

[0253] In this embodiment, the lower end of the support column can be inserted between the installation groove and the groove wall of the installation groove for rotational cooperation, or the lower end of the support column may not be inserted into the installation groove.

[0254] As Figure 10 As shown, in this embodiment, the water seal structure 500 includes a second water seal structure 502, which is annular and is disposed between the groove wall of the installation groove 100-1 and the lower peripheral surface of the support column 210; the outer periphery of the second water seal structure 502 is connected to the groove wall of the installation groove 100-1, and there is an elastic abutment between the inner periphery of the second water seal structure 502 and the lower peripheral surface of the support column 210.

[0255] Specifically, at least a part of the lower end of the support column 210 is inserted into the installation groove 100-1, and gaps are respectively formed between the lower peripheral surface of the support column 210 and the groove wall of the installation groove 100-1, and between the lower end face of the support column 210 and the bottom of the installation groove 100-1, and the second water seal structure 502 is disposed between the groove opening of the installation groove 100-1 and the lower peripheral surface of the support column 210.

[0256] Specifically, in this embodiment, at least a part of the lower end of the support column 210 is inserted into the installation groove 100-1, and the second water seal structure 502 is disposed around the lower end of the support column 210. In this embodiment, a connecting portion 215 is provided at the lower end of the support column 210, and the support column 210 is in rotational cooperation with the groove wall of the installation groove 100-1 through the connecting portion 215, and the second water seal structure 502 is disposed between the connecting portion 215 of the support column 210 and the inner wall of the installation groove 100-1.

[0257] In this embodiment, the second water seal structure 502 is arranged in a ring shape and can be arranged only at the notch of the installation groove 100-1 or can be arranged in the whole installation groove 100-1. The outer edge of the second water seal structure 502 is connected to the groove wall of the installation groove 100-1, and the inner edge of the second water seal structure 502 is elastically abutted against the peripheral surface of the lower end of the support column 210 through a serrated surface, and the serrated surface includes a plurality of serrations arranged continuously along the axial direction of the water stirring member 200.

[0258] In some possible embodiments, the second water seal structure 502 extends along the axial direction of the installation groove 100-1, its lower end surface fits with the groove bottom of the installation groove 100-1, and its upper end surface is basically flush with the inner side of the barrel bottom. In this embodiment, a sealant is provided between the outer edge of the second water seal structure 502 and the groove wall of the installation groove 100-1, and / or a sealant is provided between the lower end surface of the second water seal structure 502 and the groove bottom of the installation groove 100-1.

[0259] Preferably, in some possible embodiments, the lower end of the second water seal structure 502 extends in a direction close to the axis of the water stirring member 200 along the radial direction of the water stirring member 200, and at least a part of the inner circumference of the second water seal structure 502 extends between the lower end surface of the support column 210 and the groove bottom of the installation groove 100-1 to further enhance the sealing effect on the gap between the support column 210 and the barrel bottom.

[0260] As Figure 10 shown, in some other possible embodiments, a fitting groove is coaxially arranged at the notch of the installation groove 100-1, the caliber of the fitting groove is larger than that of the installation groove 100-1, the second water seal structure 502 is arranged in the fitting groove, its lower end surface fits with the groove bottom of the fitting groove, and its upper end surface is basically flush with the inner side of the barrel bottom. Preferably, the outer diameter of the second water seal structure 502 is greater than or equal to the inner diameter of the fitting groove, and there is an elastic abutment between the inner edge of the second water seal structure 502 and the peripheral surface of the lower end of the support column 210.

[0261] In this embodiment, the inner side of the barrel bottom specifically refers to the inner surface of the bottom of the washing barrel.

[0262] In this embodiment, the "upper end surface of the second water seal structure 502 is basically flush with the inner side of the barrel bottom" specifically may be that the upper end surface of the second water seal structure 502 is flush with the inner surface of the barrel bottom, or the upper end surface of the second water seal structure 502 protrudes from the inner surface of the barrel bottom, or the upper end surface of the second water seal structure 502 is slightly lower than the inner surface of the barrel bottom.

[0263] In this embodiment, the first water seal structure 501 and the second water seal structure 502 can be set separately. As Figure 12 shown, the first water seal structure 501 and the second water seal structure 502 can also be set at the same time.

[0264] In this embodiment, the inner surface of the bottom of the washing tub 100 extends horizontally, or an extension wall 100-2 that is arranged around the support column 210 and protrudes and extends inwardly into the washing tub 100 is provided on the inner surface of the bottom of the washing tub 100. The inner circumference of the extension wall 100-2 is coplanar with the wall of the installation groove 100-1.

[0265] Preferably, in this embodiment, for the washing tub with the first water seal structure 501 provided separately, the inner circumference of the extension wall 100-2 is coplanar with the wall of the installation groove 100-1. For the washing tub with the second water seal structure 502 provided, the extension wall 100-2 is arranged around the embedding groove and extends along the axial direction of the washing tub 100. The inner circumference of the extension wall 100-2 is coplanar with the wall of the embedding groove.

[0266] Preferably, in this embodiment, the lower end of the second water seal structure 502 is in contact with the bottom of the embedding groove, the upper end of the second water seal structure 502 is substantially flush with the upper end surface of the extension wall 100-2, the outer edge of the second water seal structure 502 is adhesively bonded to the wall of the embedding groove, and / or the lower end of the second water seal structure 502 is adhesively bonded to the bottom of the embedding groove.

[0267] In this embodiment, the lower end of the water stirring rib 220 extends to a position flush with the inner surface of the bottom of the washing tub 100, or there is a spaced arrangement between the lower end of the water stirring rib 220 and the inner surface of the bottom of the washing tub 100.

[0268] Specifically, for the inner surface of the bottom of the tub with the extension wall 100-2 provided, the lower end of the water stirring rib extends at least to a position flush with the upper end surface of the extension wall.

[0269] Preferably, in this embodiment, there is a spaced arrangement between the lower end of the water stirring rib 220 and the bottom of the tub, so that the clothes can enter the space between the lower end of the water stirring rib 220 and the bottom of the tub, and the clothes can come into contact with the circumferential surface of the lower end of the support column 210.

[0270] In this embodiment, the lower end of the water stirring member 200 is sleeved on the upper end of the stirring shaft 300. The lower end of the water stirring member 200 is circumferentially limited with the upper end of the stirring shaft 300 through a spline structure. The water stirring member 200 is axially limited with the upper end of the stirring shaft 300 through a screw 210-7 or a clamping structure.

[0271] Specifically, a spline groove 210-6 is coaxially provided at the bottom of the water stirring member 200. The spline groove 210-6 is at least partially sleeved on the end of the stirring shaft 300 and is key-connected to the stirring shaft 300. The spline groove 210-6 is formed on the support column 210 of the water stirring member 200. Alternatively, the support column 210 of the water stirring member 200 includes a support column main body and a spline shaft provided at the lower end of the support column main body, and the spline groove 210-6 is provided on the spline shaft.

[0272] In this embodiment, the top of the spline shaft is embedded in the bottom of the support column main body of the water stirring member. The spline shaft has a radial protrusion extending along the radial direction of the water stirring member, and the radial protrusion is in contact with the bottom of the support column main body. The radial protrusion is inserted into the installation groove, and the radial protrusion constitutes the connecting part of the support column.

[0273] Axial positioning between the water stirring member 200 and the stirring shaft 300 is achieved through a clamping structure. Specifically, an insert 401 is provided at the end of the stirring shaft 300, an installation cavity 210-2 is provided at the bottom of the water stirring member 200, a locking assembly is provided in the installation cavity 210-2, and an unlocking assembly cooperating with the locking assembly is provided at the lower end of the support column 210. When installing the water stirring member 200, the insert 401 is inserted into the installation cavity 210-2, and axial positioning of the insert 401 is achieved through the locking assembly. When disassembling the water stirring member 200, the unlocking assembly is operated to release the locking of the insert 401 by the locking assembly, so that the water stirring member 200 can be detached from the upper end of the stirring shaft 300.

[0274] Axial positioning between the water stirring member 200 and the stirring shaft 300 is achieved through a screw 210-7. Specifically, an assembly hole 210-3 axially penetrating the water stirring member 200 is provided on the water stirring member 200. The screw 210-7 is inserted from the upper end of the assembly hole 210-3 and tightened on the stirring shaft 300 to axially position the water stirring member 200.

[0275] In this embodiment, the provision of the water seal structure 500 can, on the one hand, prevent washing water from entering the gap between the water stirring member 200 and the bottom of the barrel, and on the other hand, can also prevent washing water from entering the connection between the water stirring member 200 and the stirring shaft 300, keeping the inside of the water stirring member 200 dry.

[0276] In this embodiment, a sealing groove 210-4 is provided at the top of the water stirring member 200, and a sealing cover 210-5 for closing the upper end of the water stirring member 200 is provided at the sealing groove 210-4 to prevent washing water from entering the inside of the water stirring member 200.

[0277] Specifically, the sealing cover 210-5 includes a flat plate portion and a plugging portion. The flat plate portion covers the notch of the sealing groove 210-4 and is embedded in the top of the water stirring member 200. The plugging portion is plugged into the sealing groove 210-4 and has an interference fit with the sealing groove 210-4.

[0278] The top of the flat plate portion is in the same plane as the top of the water stirring member 200.

[0279] The sealing groove 210-4 includes a first section and a second section with an increasing diameter from top to bottom. The lower end of the plugging portion is provided with a limiting convex that protrudes from the outer wall of the lower end of the plugging portion in a direction away from the axis of the water stirring member 200. The limiting convex is clamped at the junction between the first section and the second section.

[0280] Preferably, the inner walls of the first section and the second section of the sealing groove 210-4 are transitionally connected by a conical surface that slopes away from the axis of the water stirring member 200 from top to bottom. The shape of the limiting convex is adapted to the shape between the first section and the second section of the sealing groove 210-4. The outer peripheral surface of the limiting convex fits with the inner wall of the second section, and the top of the limiting convex fits with the conical surface between the first section and the second section of the limiting groove. Preferably, the bottom of the limiting convex is provided with a conical surface with a gradually decreasing outer diameter from top to bottom, and the outer diameter of the bottom of the limiting convex is smaller than the inner diameter of the notch of the sealing groove 210-4.

[0281] In this embodiment, a sealing convex rib extending along the circumferential direction of the plugging portion is provided in the middle of the plugging portion. The plugging portion elastically abuts against the inner wall of the first section of the sealing groove 210-4 through the sealing convex rib. Preferably, the sealing convex rib extends along the circumferential direction of the plugging portion and is provided with multiple circles arranged at intervals along the axial direction of the plugging portion.

[0282] Preferably, in this embodiment, the sealing convex rib slopes upward in the extending direction away from the axis of the water stirring member 200 to improve the smoothness of inserting the sealing cover 210-5.

[0283] Preferably, in this embodiment, the water stirring member 200 has a maximum radius along the radial direction of the washing tub 100 at a certain distance from the bottom surface of the washing tub 100, and a guiding surface extending outward is formed at this position to guide the clothes below this position to move along the guiding surface to the outer periphery during washing.

[0284] Embodiment 4

[0285] As Figure 13 and Figure 14 shown, this embodiment provides a washing tub assembly of a washing device and a washing device having the washing tub assembly. In this embodiment, below the position where the radius of the water stirring member 200 is the largest, the distance between the side wall of the support column 210 and the barrel wall of the washing tub 100 decreases as the height increases.

[0286] It should be noted that in the embodiments of the present invention, the maximum radius of the water-stirring member 200 refers to the position where the radius dimension of the horizontal cross-section of the water-stirring member 200 is the largest. The radius dimension of the horizontal cross-section of the water-stirring member 200 means that when the water-stirring member 200 takes a cross-section along the horizontal direction, the distance from the point farthest from the rotation center on the obtained horizontal cross-section to the rotation center.

[0287] Specifically, if the horizontal cross-section of the water-stirring member 200 is circular, the radius is the radius R1 of the circular cross-section. If the horizontal cross-section of the water-stirring member 200 is non-circular, the radius is the distance R2 from the point farthest from the rotation center on the cross-section to the rotation center.

[0288] In this embodiment, water-stirring ribs 220 are provided on the side wall of the support column 210. The dimension of the water-stirring ribs 220 along the radial direction of the washing tub 100 can remain constant as the height increases, or can gradually or stepwise change. By the distance between the side wall of the support column 210 and the barrel wall of the washing tub 100 decreasing as the height increases, the distance between the side surface of the water-stirring member 200 and the barrel wall of the washing tub 100 shows a decreasing trend as the height increases.

[0289] In the above structure, the radius of any horizontal cross-section of the water-stirring member 200 specifically refers to the distance from the farthest point of the water-stirring ribs 220 from the axis on the horizontal cross-section to the central axis.

[0290] In another specific embodiment, the water-stirring ribs extend spirally along the side wall of the support column. At this time, the horizontal cross-section of the water-stirring member 200 may not form a regular geometric figure, but the radius of the horizontal cross-section of the water-stirring member 200 is still the distance from the farthest point of the water-stirring ribs from the axis on the cross-section to the central axis.

[0291] In this embodiment, the clothes can also be washed in the space jointly formed by the bottom of the washing tub 100, the side wall of the support column 210 and the barrel wall of the washing tub 100.

[0292] In the specific solution of this embodiment, the support column 210 includes a first extension section 211 and a second extension section 212 that are arranged below and connected to the position where the radius of the water-stirring member 200 is the largest. Among them, the side wall of the first extension section 211 extends obliquely upward from the bottom of the washing tub 100 and gradually approaches the barrel wall of the washing tub 100. The side wall of the second extension section 212 extends outward and obliquely upward from the upper end of the first extension section 211 to the height where the radius of the water-stirring member 200 is the largest, so that the clothes can be washed below the side wall of the second extension section 212 and move outward along the side wall of the second extension section 212.

[0293] More specifically, the side wall of the first extension section 211 extends along a straight line and is inclined outward at a small angle relative to the vertical direction. The side wall of the second extension section 212 forms a larger angle with the vertical direction relative to the side wall of the first extension section 211, and as the height increases, the angle between the side wall of the second extension section 212 and the vertical direction gradually increases, forming a curved surface that bends towards the axis.

[0294] In this embodiment, a water stirring plate 230 is also provided at the upper end of the support column 210. Specifically, the upper end of the second extension section 212 is connected to the lower surface of the water stirring plate 230. The support column 210 of the water stirring member 200 has the above structure, effectively reducing the problem of cleaning dead corners where clothes cannot reach between the upper end of the support column 210 and the lower surface of the water stirring plate 230.

[0295] In a detailed solution, the upper end of the side wall of the second extension section 212 coincides with the outer periphery of the water stirring plate 230, so that the lower surface of the water stirring plate 230 is completely covered by the upper end surface of the support column 210.

[0296] In the preferred solution of this embodiment, as Figure 14 shown, the upper surface of the water stirring plate 230 is a curved surface with the middle area higher than the outer peripheral area, and raised stirring parts 231 are provided on the curved surface. When the water level in the washing tub 100 is higher than the top of the water stirring plate 230, the stirring parts 231 can stir the washing water above the water stirring plate 230 as the water stirring member 200 rotates, and can also rub the clothes located above the water stirring plate 230, thereby enhancing the washing effect.

[0297] Furthermore, in this embodiment, the side wall of the second extension section 212 forms a first guiding surface 213 for guiding the clothes below it to move outward along the first guiding surface 213 during washing. The side wall of the first extension section 211 forms a second guiding surface 214 for guiding the clothes to rise along the second guiding surface 214 to the first guiding surface 213 during washing.

[0298] Specifically, when the washing equipment using the washing tub assembly described in this embodiment is washing, the water stirring member 200 rotates relative to the washing tub 100, causing the clothes to move from the bottom of the washing tub 100 towards the central area, then move upward along the first guiding surface 213 to the second guiding surface 214, move outward along the second guiding surface 214, and then fall in the area near the wall of the washing tub 100, forming an annular path. On the one hand, it can strengthen the flipping of the clothes in the tub to improve the washing effect, and on the other hand, it also reduces the probability of the clothes concentrating towards the center and getting entangled.

[0299] As a specific implementation manner of this embodiment, at the connection position of the first extension section 211 and the second extension section 212, the angles between the side walls of the two and the vertical direction are the same. That is, the first guiding surface 213 and the second guiding surface 214 have the same inclination angle at the connection, realizing a smooth transition connection.

[0300] As another specific implementation manner, the inclination angle of the side wall of the second extension section 212 relative to the vertical direction at the lower end position is slightly higher than the inclination angle of the side wall of the first extension section 211 relative to the vertical direction, so that an angle less than but close to 180° is formed at the connection of the first guiding surface 213 and the second guiding surface 214. In this way, when the clothing moves upward along the second guiding surface 214 to the first guiding surface 213, it can play a certain buffering role on the clothing, strengthening the tendency of the clothing to move outward in a tumbling manner.

[0301] In a further solution of this embodiment, the water stirring ribs 220 have a certain extension length along the axial direction of the washing tub 100, extending from the side wall of the first extension section 211 to the side wall of the second extension section 212. A plurality of water stirring ribs 220 are arranged at intervals along the circumferential direction of the support column 210, and the interval angle between two adjacent water stirring ribs 220 is such that the clothing can be washed in the interval area between two adjacent water stirring ribs 220, and at the same time the clothing can contact the side wall of the first extension section 211, so as to move upward along the side wall of the first extension section 211, that is, the second guiding surface 214.

[0302] In this way, the side walls of the first extension section 211 and the second extension section 212 in the area between two adjacent water stirring ribs 220 can contact the clothing, and no dead corners that are prone to accumulate dirt will be generated.

[0303] Furthermore, in this embodiment, the size of the water stirring rib 220 in the radial direction of the washing tub 100 first increases and then decreases from the lower end to the upper end.

[0304] As a specific implementation manner, the cross-sectional shape of the water stirring rib 220 along the direction parallel to the radial direction of the washing tub 100 is approximately spindle-shaped, and the outer periphery of the water stirring rib 220 extends from bottom to top, and the included angle between the extending direction and the vertical direction gradually decreases, so that the outer periphery of the water stirring member 200 forms a curve bending towards the barrel wall of the washing tub 100. The upper end of the outer periphery of the water stirring rib 220 coincides with the outer periphery of the water stirring disc 230.

[0305] The water stirring rib 220 has the above structure, and can form the Coanda effect during washing, driving the water flow to flow along the outer peripheral edge of the water stirring rib 220, so that in the area close to the axis of the washing tub 100, the water flow has a tendency to flow along the outer peripheral edge of the water stirring rib 220. As the height increases, the flow direction of the water flow is closer to upward rather than flowing outward. In this way, the lifting force of the water flow on the clothes in the area close to the axis can be enhanced, driving the clothes to move upward to the first guiding surface 213 and finally forming an annular path.

[0306] It can be understood that the clothes moving from the bottom of the tub to the central area can also be lifted along the outer peripheral edge of the water stirring rib 220 after contacting the water stirring rib 220. After moving to the position with the largest radius of the water stirring member 200, they move outward under the action of inertia and centrifugal force and finally fall along the inner wall of the washing tub 100 to the bottom of the tub.

[0307] In the preferred solution of this embodiment, the water stirring member 200 is installed in the washing tub 100, and there is a certain interval between the lower end of the water stirring rib 220 and the bottom of the washing tub 100 to avoid cleaning dead corners between the water stirring rib 220 and the bottom of the tub. Specifically, the lower end of the support column 210 has a connecting portion 215 rotatably inserted into the installation groove 100-1 on the bottom of the tub, and the lower end of the water stirring rib 220 is at least flush with the upper end of the connecting portion 215, preferably higher than the upper end of the connecting portion 215. The stirring shaft for driving the rotation of the water stirring member 200 is fixed by inserting from the lower end into the connecting portion 215.

[0308] More preferably, a fillet structure with a smooth transition is provided at the connection position between the water stirring rib 220 and the support column 210, so that there are almost no cleaning dead corners on the water stirring member 200 where dirt is likely to accumulate, ensuring the cleanliness inside the washing tub 100 to the greatest extent.

[0309] Further preferably, there is a fillet transition between the outer peripheral edge of the water stirring rib 220 and both side surfaces of the water stirring rib 220 to avoid sharp corner structures that may scratch and damage clothes.

[0310] It can be understood that the connecting portion at the lower end of the support column can also be completely arranged inside the washing tub, and the stirring shaft passes through the installation groove 100-1 on the bottom of the washing tub and is inserted into the connecting portion. By setting a certain interval between the lower end surface of the connecting portion and the bottom of the washing tub, or setting the difference between the outer diameter and the inner diameter of the connecting portion small enough, the outer surface of the connecting portion (including the outer side wall and the possible lower end surface) and the area of the bottom of the washing tub located outside the installation groove 100-1 can contact the clothes, and the purpose of preventing cleaning dead corners can also be achieved.

[0311] As a specific embodiment, the thickness of the water-stirring rib 220 in the circumferential direction gradually decreases radially outwards. Along the axial direction, the thickness of the middle region of the water-stirring rib 220 is greater than the thickness of the upper and lower ends.

[0312] In this embodiment, the change in the distance between the side surface of the water-stirring member 200 and the barrel wall of the washing tub 100 is formed by the change in the cross-sectional dimension of the support column 210 itself. Similarly, a structure can be formed where the distance from the bottom of the washing tub 100 at the maximum radius is a certain distance, ensuring that the clothes can be washed below the position with the maximum radius of the water-stirring member 200. At the same time, the side walls of the support column 210 form a first guiding surface 213 and a second guiding surface 214 for guiding the movement of the clothes during washing, which can effectively drive the clothes to move along an annular path and flip below the position with the maximum radius of the water-stirring member 200, resulting in a better washing effect and also playing a role in preventing the clothes from tangling.

[0313] Embodiment Five

[0314] As Figure 15 shown, in this embodiment, the water-stirring member 200 includes an assembly part 210-1 and a water-stirring part 240 extending upwards from the assembly part 210-1. The assembly part 210-1 is arranged as a solid structure, and at least part of the water-stirring part 240 is arranged as a hollow structure. For example, the water-stirring part 240 is provided with a cavity extending axially from the top to the assembly part 210-1.

[0315] Specifically, in this embodiment, the assembly part 210-1 is a solid column, which can increase the connection strength of the water-stirring member 200. The water-stirring part 240 has an integrally formed hollow structure, and the water-stirring part 240 is formed on the top of the assembly part 210-1. The assembly part 210-1 can also block the lower end of the hollow structure of the water-stirring part 240.

[0316] As a specific embodiment, the water-stirring member 200 includes a support column 210 and water-stirring ribs 220 provided on the side wall of the support column 210 and protruding radially or nearly radially away from the axis of the support column 210. The water-stirring ribs 220 extend axially along the support column in the length direction, and the water-stirring ribs 220 extend in the width direction away from the outer circumference of the support column, and can be arranged radially or deviate from the radial direction.

[0317] In this embodiment, the support column 210 includes an assembly portion 210-1 and a hollow column 210-8 coaxially connected to the upper part of the assembly portion 210-1. The assembly portion 210-1 is a solid column, preferably a cylinder, and the hollow column 210-8 extends upward from the upper end face of the assembly portion 210-1. The outer diameter of the connection between the hollow column 210-8 and the assembly portion 210-1 can be greater than the diameter of the assembly portion 210-1, or can be less than or equal to the diameter of the assembly portion 210-1; the outer peripheral wall of the hollow column 210-8 and the outer peripheral wall of the assembly portion 210-1 are smoothly transitioned and extended upward.

[0318] The water stirring portion 240 has a horizontal section with the largest radius at a certain height from the upper end of the assembly portion 210-1. A water stirring disk 230 is provided at the top of the support column 210. The position with the largest radius Rmax of the water stirring portion 240 is formed by the outer periphery of the water stirring disk 230, and the top surface of the water stirring disk 230 is a curved surface protruding upward. A cavity 210-9 similar to the external shape of the support column 210 is formed inside the hollow column 210-8.

[0319] Preferably, the water stirring ribs 220 are also provided as a hollow structure.

[0320] More preferably, the internal space of the water stirring ribs 220 communicates with the cavity 210-9 inside the hollow column 210-8.

[0321] More preferably, the lower end of the water stirring ribs 220 at least partially extends to the outer peripheral wall of the assembly portion 210-1 and is integrally formed with the assembly portion 210-1, thereby further strengthening the connection strength between the assembly portion 210-1 and the water stirring portion 240.

[0322] In this embodiment, the water stirring portion 240 is connected to a stirring shaft 300 that can rotatably pass through the bottom of the washing tub 100 through the assembly portion 210-1, so that the water stirring member 200 can rotate relative to the washing tub 100.

[0323] Specifically, the circumferential positioning between the assembly portion 210-1 and the stirring shaft 300 is carried out through splines and they rotate together, and the axial positioning is carried out through screws 210-7.

[0324] In this embodiment, a spline groove 210-6 coaxially extending upward from the lower end face of the assembly portion 210-1 is provided on the assembly portion 210-1. The spline groove 210-6 at least partially sleeves on the upper end portion of the stirring shaft 300 and is key-connected to the stirring shaft 300. The spline groove 210-6 is formed on the assembly portion 210-1 of the water stirring member 200.

[0325] In this embodiment, an opening communicating with the cavity 210-9 inside the hollow column is provided at the top of the water stirring member 200. The screw 210-7 enters the cavity 210-9 through the opening and is connected downward to the stirring shaft 300 key-connected in the assembling portion 210-1, fixedly connecting the water stirring member 200 and the stirring shaft 300 axially. To prevent water from entering the cavity 210-9, a sealing component is installed at the opening.

[0326] Preferably, a sealing groove 210-4 is provided at the top of the water stirring member 200, and the sealing groove 210-4 is recessed coaxially downward from the top surface of the water stirring disk 230. An opening communicating with the cavity 210-9 is provided at the bottom of the sealing groove 210-4.

[0327] Specifically, a through hole, preferably a threaded hole, is provided at the upper end of the assembling portion 210-1. The rod portion of the screw 210-7 passes through the top of the assembling portion 210-1 and is tightened in the threaded hole, and the head of the screw 210-7 abuts against the top of the assembling portion 210-1. The operator disassembles and assembles the screw 210-7 through the opening at the bottom of the sealing groove 210-4 and the cavity 210-9 of the hollow column 210-8. The screw is preferably a countersunk head screw.

[0328] A sealing cover 210-5 for closing the upper end of the water stirring member 200 is provided at the sealing groove 210-4 to prevent washing water from entering the inside of the water stirring member 200.

[0329] Specifically, the sealing cover 210-5 includes a flat plate portion and a plugging portion. The flat plate portion covers the notch of the sealing groove 210-4 and is embedded in the top of the water stirring member 200, and the plugging portion is plugged in the sealing groove 210-4 and has an interference fit with the sealing groove 210-4.

[0330] The top of the flat plate portion is in the same plane as the top of the water stirring member 200.

[0331] The sealing groove 210-4 includes a first section and a second section with an increasing diameter from top to bottom. A limiting convex protruding from the outer wall of the lower end of the plugging portion in a direction away from the axis of the water stirring member 200 is provided at the lower end of the plugging portion, and the limiting convex is clamped at the junction between the first section and the second section.

[0332] Preferably, between the inner walls of the first section and the second section of the sealing groove 210-4, there is a tapered surface that transitions and connects in a direction slanting away from the axis of the water-stirring member 200 from top to bottom. The shape of the limiting convex is adapted to the shape between the first section and the second section of the sealing groove 210-4. The outer peripheral surface of the limiting convex fits with the inner wall of the second section, and the top of the limiting convex fits with the tapered surface between the first section and the second section of the limiting groove. Preferably, the bottom of the limiting convex is set as a tapered surface with an outer diameter gradually decreasing from top to bottom, and the outer diameter of the bottom of the limiting convex is smaller than the inner diameter at the notch of the sealing groove 210-4.

[0333] In this embodiment, a sealing convex rib extending along the circumferential direction of the insertion portion is provided in the middle of the insertion portion. The insertion portion elastically abuts against the inner wall of the first section of the sealing groove 210-4 through the sealing convex rib. Preferably, the sealing convex rib extends along the circumferential direction of the insertion portion and is provided with multiple circles arranged at intervals along the axial direction of the insertion portion.

[0334] Preferably, in this embodiment, the sealing convex rib slopes upward along the extending direction away from the axis of the water-stirring member 200 to improve the smoothness of inserting the sealing cover 210-5.

[0335] The above are only the preferred embodiments of the present invention, and do not impose any formal restrictions on the present invention. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art of this patent, without departing from the scope of the technical solution of the present invention, can make some changes or modifications to equivalent embodiments by using the technical content prompted above. However, as long as it does not depart from the content of the technical solution of the present invention, any simple modification, equivalent change, and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the present invention's solution.

Claims

1. A washing tub assembly, characterized in that, Comprising: A washing tub (100) that independently holds washing water during laundry. A water-stirring member (200) disposed inside the washing tub (100), the lower end of which is rotatably mounted on the bottom of the tub; the radius of the water-stirring member (200) is the largest at a certain distance from the bottom of the tub, such that the clothes can be washed below the position where the radius of the water-stirring member (200) is the largest. A drain port (100-32) and a centrifugal valve (601) for blocking the drain port (100-32) are provided on the washing tub (100) below the position where the radius of the water-stirring member (200) is the largest. When the rotational speed of the washing tub (100) is greater than or equal to a predetermined rotational speed, the centrifugal valve (601) is opened by the centrifugal force to open the drain port (100-32).

2. The washing tub assembly according to claim 1, wherein: The drain port (100-32) is provided on the tub wall below the position where the radius of the water-stirring member (200) is the largest, and the centrifugal valve (601) is provided on the side of the tub wall away from the water-stirring member (200).

3. The washing tub assembly according to claim 2, wherein: A recessed portion (100-4) protruding inwardly towards the inside of the washing tub (100) is provided at the lower end of the tub wall. The drain port (100-32) is provided on the wall of the recessed portion (100-4) opposite to the water-stirring member (200), and the centrifugal valve (601) is provided inside the recessed portion (100-4).

4. The washing tub assembly according to claim 3, wherein, The recessed portion (100-4) includes: A first wall (100-41) provided at the top of the recessed portion (100-4), and the end away from the axis of the washing tub (100) is connected to the tub wall. A second wall (100-42) extending downward from the end of the first wall (100-41) close to the axis of the washing tub (100) and connected to the bottom of the tub; the drain port (100-32) is provided on the second wall (100-42).

5. The washing tub assembly according to claim 4, wherein: The recessed portion (100-4) extends horizontally towards both sides of the washing tub (100), at least a part of the second wall (100-42) is set as a plane, and the drain port (100-32) is provided at the plane of the second wall (100-42); Preferably, the second wall (100-42) is an overall vertical plane; the first wall (100-41) extends horizontally in the direction away from the axis of the washing tub (100), or the first wall (100-41) extends upwardly inclined in the direction away from the axis of the washing tub (100).

6. The washing tub assembly according to claim 5, wherein: The drain port (100-32) is provided as one and is blocked by one centrifugal valve (601); or, a plurality of drain ports (100-32) are provided, and one centrifugal valve (601) is respectively provided at each drain port (100-32), or two or more drain ports (100-32) are simultaneously blocked by one centrifugal valve (601).

7. The washing tub assembly according to claim 5, wherein, The recessed portion (100-4) is symmetric about the vertical connection line between the center of the recessed portion (100-4) and the axis of the washing tub (100); Preferably, a plurality of centrifugal valves (601) are provided and arranged symmetrically with respect to the vertical connection line between the center of the recess (100-4) and the axis of the washing tub (100); Preferably, the opening and closing end of the centrifugal valve (601) faces the vertical connection line between the center of the recess (100-4) and the axis of the washing tub (100).

8. The washing tub assembly according to any one of claims 3 to 7, characterized in that A plurality of recesses (100-4) are provided and arranged uniformly along the circumferential direction of the washing tub (100); Preferably, two recesses (100-4) are provided, and two drain ports (100-32) are respectively provided on the walls of each recess (100-4) opposite to the water stirring member (200), and a centrifugal valve (601) is respectively provided at each drain port (100-32).

9. The washing tub assembly according to any one of claims 1 to 7, characterized in that The centrifugal valve (601) includes: A movable rod (601-1) with the first end hinged to the washing tub (100) and the second end provided with a counterweight (601-2); a sealing portion (601-4) corresponding to the drain port (100-32) is provided in the middle; An elastic component (601-3) for driving the movable rod (601-1) to rotate towards the side close to the drain port (100-32).

10. The washing tub assembly according to claim 9, wherein The drain port (100-32) protrudes outwards from the washing tub (100), and the sealing portion (601-4) includes a groove-shaped sealing portion which is sleeved on the drain port (100-32) and elastically abuts against the outer peripheral wall of the drain port (100-32); and / or, The sealing portion (601-4) includes a cylindrical sealing portion which is inserted into the drain port (100-32) and elastically abuts against the inner wall of the drain port (100-32).

11. The washing tub assembly according to claim 9, wherein, The elastic component (601-3) is arranged on the side of the movable rod (601-1) away from the drain port (100-32) and includes: A guide cylinder (601-31) provided on the washing tub (100) with an opening at the end facing the movable rod (601-1); A sliding column (601-32) arranged in the guide cylinder (601-31) and slidingly matched with the guide cylinder (601-31), at least partially extending outside the opening of the guide cylinder (601-31) and abutting against the movable rod (601-1); a compression spring (601-33) is provided between the end of the sliding column (601-32) away from the movable rod (601-1) and the guide cylinder (601-31); Preferably, the elastic component (601-3) is coaxially arranged with the drain port (100-32).

12. The washing tub assembly according to any one of claims 1 to 7, characterized in that, A water baffle (100-5) is further included, which is arranged on the side of the drain port (100-32) away from the axis of the washing tub (100), with one end connected to the barrel wall and the other end extending downwards; Preferably, the water baffle (100-5) is arranged on the side of the recess (100-4) away from the axis of the washing tub (100) and extends downwards from the top of the recess (100-4); Preferably, the elastic component (601-3) of the centrifugal valve (601) is arranged on the water baffle (100-5).

13. The washing tub assembly according to any one of claims 1 to 7, characterized in that, The water stirring member (200) includes a support column (210) arranged coaxially with the washing tub (100), and water stirring ribs (220) protruding from the side wall of the support column (210); the support column (210) is arranged with a variable diameter along the axial direction below the position where the radius of the water stirring member (200) is the largest, and includes the following connected parts: A first extension section (211), the side wall of which extends upward from the bottom of the washing tub (100); And, A second extension section (212), the side wall of which extends outward from the upper end of the first extension section (211) to the periphery and slopes upward, extending to the height where the radius of the water stirring member (200) is the largest, so that the clothes can be washed below the side wall of the second extension section (212).

14. The washing tub assembly according to any one of claims 1 to 7, characterized in that The position where the radius of the water stirring member (200) is the largest is lower than the highest water level of the washing tub (100), so that the washing water level can be higher than the position where the radius of the water stirring member (200) is the largest, enabling the clothes to be washed above the position where the radius of the water stirring member (200) is the largest.

15. A washing device, characterized in that, Comprising the washing tub assembly according to any one of claims 1 to 14.

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