A balance ring structure for a washing device and the washing device itself.

Abstract

This invention discloses a balance ring structure for a washing device and the washing device itself. The balance ring structure includes: a balance ring body and an additive storage device protruding from the inner peripheral wall of the balance ring body; the additive storage device has an inlet and a cover for opening and closing the inlet, and the top of the additive storage device is lower than the top of the balance ring body. By placing the additive storage device on the inner peripheral wall of the balance ring body, and having the inlet and cover located on the additive storage device rather than on the balance ring body, and with the top of the additive storage device lower than the top of the balance ring body, this invention does not compromise the integrity of the opening edge at the top of the balance ring body, thus ensuring the water-blocking effect of the balance ring body.

Description

Technical Field

[0001] This invention belongs to the field of washing equipment, specifically, it relates to a balance ring structure for a washing equipment and the washing equipment itself. Background Technology

[0002] In the field of laundry equipment, especially in top-loading washing machines, the balance ring is a key component. Its main function is to balance the vibrations during the spin-drying process and prevent wash water from overflowing. To improve washing performance, modern washing machines often have a softener compartment on the balance ring to store softener or other detergents for automatic dispensing during the wash cycle.

[0003] Existing softener chambers have an inlet and an inlet cap at the top. The inlet cap is typically located at the inner end of the top of the balance ring for easy addition of softener. The traditional opening method involves rotating the inlet cap inward from the inner edge of the top of the balance ring to open the inlet. However, this inlet cap design disrupts the top opening edge of the balance ring structure, causing discontinuity and affecting the water-blocking and splash-proof effect of the top opening edge.

[0004] This design is particularly suitable when the top inner side of the balance ring has upward-facing water-retaining ribs. To accommodate this rib structure, the inlet cap needs a design where the ribs are partially broken, meaning a portion of the ribs is integrated into the inlet cap. The inlet cap opens by rotating inwards towards the ribs. While this design solves the opening problem to some extent, it creates a discontinuity in the ribs, resulting in a gap that disrupts the integrity of the opening at the highest point of the balance ring, reducing its water-retaining effect and potentially causing wash water to overflow during the spin-drying process.

[0005] Another design places the softener chamber on the inner top of the balance ring body, and rotatably installs the inlet cap on the inner top of the softener chamber. However, the top of the softener chamber is the same height as the top wall of the balance ring, and the inner edge of the top of the softener chamber acts as a water barrier, which also disrupts the integrity of the top opening of the balance ring and affects the water barrier effect.

[0006] In view of this, the present invention is proposed. Summary of the Invention

[0007] The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art. The purpose is to provide a balance ring structure for a washing device. By setting the additive storage device on the inner side wall of the balance ring body, the inlet and the box cover are set on the additive storage device, and the top of the additive storage device is lower than the top of the balance ring body, the integrity of the opening edge at the top of the balance ring body is not damaged, thus enhancing the water-blocking effect of the balance ring body.

[0008] Another object of the present invention is to provide a washing device.

[0009] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by the present invention is to provide a balance ring structure for a washing device, comprising:

[0010] Balance ring body,

[0011] An additive storage device is protruding from the inner peripheral wall of the balance ring body;

[0012] The additive storage device is provided with an inlet and a cover for opening and closing the inlet. The top of the additive storage device is lower than the top of the balance ring body.

[0013] Furthermore, the inner circumferential side of the top of the balance ring body has an upwardly protruding annular blocking portion, and the top of the additive storage device is lower than the annular blocking portion.

[0014] Furthermore, the inlet is located on the top wall of the additive storage device, and the top wall of the additive storage device and the box cover are lower than the highest point of the annular blocking part;

[0015] Preferably, the top of the balance ring body has an annular top surface, the annular blocking part protrudes from the top surface, and the highest point of the lid is not lower than the top surface of the balance ring body when closed.

[0016] Furthermore, the inner wall of the additive storage device is provided with a recess, and the mounting part of the box cover is rotatably disposed in the recess. The box cover can be rotated inward to open the inlet and rotated outward to close the inlet.

[0017] Furthermore, the bottom of the inner end of the lid has two mounting portions that extend outward from it, which are rotatably mounted in two recesses on the inner sidewall of the additive storage device.

[0018] Preferably, after the lid is closed, the outer wall of the lid is flush with the outer wall of the additive storage device around it.

[0019] Furthermore, the top of the additive storage device has a guide surface that extends downward at an angle from the outside to the inside, for guiding the water flow blocked by the annular barrier to flow downward. Preferably, the highest point of the additive storage device is higher than the top surface of the balance ring body.

[0020] Preferably, the angle between the guide surface and the horizontal plane is an acute angle; preferably, the angle is 1°-50°; more preferably, the angle is 10°.

[0021] Furthermore, after the lid flips inward to open the inlet, the lid is tilted inward and extends upward, so that it can automatically close under the action of centrifugal force and upward airflow when the bucket is rotating;

[0022] Preferably, after the lid is opened, the mounting part of the lid extends inward, so that the entire lid surface extends into the inner clothing inlet.

[0023] Preferably, the tilt angle of the lid after it is opened is an acute angle, and more preferably, the tilt angle is 40°-60°.

[0024] Furthermore, a limiting structure is provided at the bottom of the recess on the inner wall of the additive storage device;

[0025] After the lid is flipped open, the mounting part extends to the inside of the additive storage device and presses against the limiting structure, and the lid surface supporting the lid extends into the clothing inlet inside in an inclined manner.

[0026] Furthermore, the mounting part includes a connecting arm and a rotating shaft. When the lid is closed, the connecting arm extends outward from the inner end of the lid and then extends vertically downward to connect with the rotating shaft.

[0027] The limiting structure extends inward and downward from the bottom wall of the recess. When the lid is opened, the end of the connecting arm that is connected to the rotating shaft extends downward and presses against the limiting structure.

[0028] The present invention also provides a washing device having any of the above-described balance ring structures.

[0029] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art.

[0030] (1) By setting the additive storage device on the inner peripheral wall of the balance ring body, the inlet and the box cover are set on the additive storage device and not on the balance ring body, and the top of the additive storage device is lower than the top of the balance ring body, the integrity of the opening edge at the top of the balance ring body is not damaged, thus ensuring the water-blocking effect of the balance ring body.

[0031] (2) The additive storage device is protruding on the inner peripheral wall of the balance ring body, and its top wall is lower than the annular blocking part, ensuring that the box cover is lower than the annular blocking part when closed, so as not to damage the integrity of the annular blocking part, and the annular blocking part can play the role of preventing water from splashing out.

[0032] (3) The top wall of the lid and the additive storage device are both designed to extend downward from the outside to the inside, which not only enhances the streamlined aesthetics of the structure, but more importantly, helps to guide water droplets or detergent liquid that may splash onto the annular barrier during the washing process to flow downward along the inclined surface to the inside of the additive storage device, thereby effectively preventing overflow and leakage.

[0033] (4) After the lid of the present invention is flipped inward to open the inlet, it continues to tilt inward and extend upward, cleverly utilizing the centrifugal force and upward airflow generated when the washing tub rotates, so that the lid can automatically close without manual intervention. This automatic closing mechanism not only improves the convenience of operation, but also effectively prevents liquid leakage that may occur during the washing process due to the lid not being closed.

[0034] The specific embodiments of the present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0035] The accompanying drawings, as part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments and descriptions of the invention are used to explain the invention, but do not constitute an undue limitation of the invention. Obviously, the drawings described below are merely some embodiments, and those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings:

[0036] Figure 1 This is a schematic diagram of a balance ring structure when the lid is closed according to the present invention;

[0037] Figure 2 This is the present invention. Figure 1 Cross-sectional schematic diagram;

[0038] Figure 3 This is a schematic diagram of a balance ring structure when the lid of the box is opened according to the present invention;

[0039] Figure 4 This is the present invention. Figure 3 Cross-sectional schematic diagram;

[0040] Figure 5 This is a schematic diagram of the structural explosion of a balance ring structure according to the present invention.

[0041] In the diagram: 1. Balance ring body; 11. Annular blocking part; 12. Top surface; 13. Slot; 2. Additive storage device; 21. Inlet; 22. Box cover; 221. Mounting part; 2211. Connecting arm; 2212. Rotating shaft; 222. Cover surface; 223. Buckle; 23. Recess; 231. Limiting structure; 232. Shaft hole; 24. Drain trough; 25. Cavity.

[0042] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the invention in any way, but rather to illustrate the concept of the invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0043] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0044] In the description of this invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0045] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0046] like Figures 1 to 5 As shown, the present invention provides a balance ring structure for a washing device. The balance ring structure can be installed on the opening of the washing tub of the washing device to ensure the stability of the washing tub during operation.

[0047] The balance ring structure includes a balance ring body 1 and an additive storage device 2.

[0048] The additive storage device 2 protrudes from the inner peripheral wall of the balance ring body 1. The additive storage device 2 is provided with an inlet 21 and a cover 22 for opening and closing the inlet 21. The top of the additive storage device 2 is lower than the top of the balance ring body 1.

[0049] The present invention sets the additive storage device 2 on the inner peripheral wall of the balance ring body 1, and sets the inlet 21 and the box cover 22 on the additive storage device 2 and not on the balance ring body 1. The top of the additive storage device 2 is lower than the top of the balance ring body 1, so the integrity of the opening edge at the top of the balance ring body 1 is not damaged, thus ensuring the water-blocking effect of the balance ring body 1.

[0050] The additive storage device 2 extends along a portion of the inner peripheral wall of the balance ring body 1. Preferably, the two ends of the arc-shaped extension of the additive storage device 2 smoothly transition with the inner peripheral wall of the balance ring body 1, allowing the additive storage device 2 to be more compactly integrated into the overall structure and optimizing the internal space utilization of the washing equipment. As the additive storage device 2 extends arc-shaped from the inner peripheral wall of the balance ring body 1, it gradually approaches the center of the balance ring body 1, and then gradually moves away from the center to the inner peripheral wall of the balance ring body 1.

[0051] The additives include detergents, disinfectants, softeners, etc., and preferably, the additives are softeners.

[0052] One embodiment is that the top of the balance ring body 1 is the top surface 12, and the top of the additive storage device 2 is lower than the top surface 12 of the balance ring body 1.

[0053] Another option is that the inner circumference of the top of the balance ring body 1 has an upwardly protruding annular blocking portion 11. The top of the additive storage device 2 is lower than the highest point of the annular blocking portion 11. The annular blocking portion 11 can prevent water from splashing out under the action of centrifugal force.

[0054] The additive storage device 2 protrudes from the inner peripheral wall of the balance ring body 1, and its top wall is lower than the annular blocking part 11, ensuring that the lid 22 is lower than the annular blocking part 11 when closed, thus not compromising the integrity of the annular blocking part 11. The lid 22 can be opened and closed using various methods such as rotating latch, sliding latch, and magnetic adsorption to adapt to different usage scenarios and operating habits.

[0055] The annular blocking part 11 smoothly transitions to the inner circumferential wall of the balance ring body 1, forming a continuous annular structure to prevent water from splashing out of the bucket. The cross-sectional shape of the annular blocking part 11 can be circular, elliptical, or other shapes to adapt to different application scenarios and needs.

[0056] During normal use, the user manually or by control opens the lid 22 and pours the required detergent additive into the additive storage device 2 through the inlet 21. Since the top wall of the additive storage device 2 and the lid 22 are cleverly designed below the annular blocking part 11, the opening and closing of the lid 22 is completely independent of the annular blocking part 11, thus preventing any physical damage to the balance ring body 1. Furthermore, during the operation of the washing equipment, water in the tub may splash due to rotation, but the annular blocking part 11 acts as a solid barrier, effectively blocking these splashing water droplets and preventing them from overflowing and causing potential leaks and safety hazards.

[0057] Preferably, after the lid 22 is closed, the outer wall of the lid 22 is flush with the outer wall of the additive storage device 2 on its periphery.

[0058] The inlet 21 is located on the top wall of the additive storage device 2, allowing users to easily pour additives into the device without worrying about leakage or misoperation. The top wall of the additive storage device 2 and the lid 22 are lower than the annular blocking part 11, ensuring that the lid 22 will not cause physical damage to the balance ring body 1.

[0059] The top of the balance ring body 1 has an annular top surface 12. The annular blocking part 11 protrudes from the top surface 12. When closed, the highest point of the lid 22 is not lower than the top surface 12 of the balance ring body 1. That is, when closed, the highest point of the lid 22 is flush with or higher than the top surface 12. When closed, the lowest point of the lid 22 is substantially flush with the top surface 12.

[0060] Preferably, the lid 22 is lower than the annular blocking portion 11 when it is closed or open.

[0061] When the lid 22 is closed or open, its height remains lower than the annular blocking part 11, ensuring that the lid 22 does not interfere with the water-blocking function of the annular blocking part 11 when closed. When the lid 22 is open, the user can easily add additives to the additive storage device 2 without worrying about operational obstruction.

[0062] Furthermore, the inner wall of the additive storage device 2 is provided with a recess 23. The mounting part 221 of the lid 22 is rotatably disposed in the recess 23, and the lid 22 can be rotated inward to open the inlet 21 and rotated outward to close the inlet 21.

[0063] The mounting portion 221 of the lid 22 is rotatably disposed within the recess 23. This design allows the lid 22 to be rotated inward to open the inlet 21 when needed, allowing the user to add detergent additives; and when not needed, the lid 22 can be rotated outward to close the inlet 21, ensuring that the additives do not leak accidentally.

[0064] Since the mounting part 221 is located inside the recessed part 23, the integrity of the inner edge of the top of the additive storage device 2 is ensured, effectively avoiding the risk of scratching or trapping clothes during the washing process after the lid 22 is closed, and significantly reducing the damage to clothes caused by improper design of the top of the additive storage device 2.

[0065] The bottom of the inner end of the lid 22 has two mounting portions 221 that extend outwards, corresponding to two recesses 23 on the inner sidewall of the additive storage device 2 that are rotatably mounted. The recesses 23 extend upwards through the top wall of the additive storage device 2.

[0066] The two mounting parts 221 of the present invention are not located directly on the inner edge of the lid 22, but are offset and extended to the outer end, which avoids direct contact between the mounting parts 221 and the inner end of the top wall of the additive storage device 2, thereby significantly reducing the risk of clothing being scratched or caught.

[0067] The recessed portion 23 not only provides a stable mounting space for the mounting portion 221, but also allows the lid 22 to be flipped up and down with the cooperation of the mounting portion 221 and the recessed portion 23. That is, the recessed portion 23 is provided with a shaft hole 232, the mounting portion 221 includes a rotating shaft 2212, and the lid 22 is rotatably mounted on the two recessed portions 23 via two rotating shafts 2212 to flip up and open or close the inlet 21.

[0068] Two mounting parts 221 are respectively provided at both ends of the inner edge of the cover 22.

[0069] Preferably, after the lid 22 is closed, the outer wall of the lid 22 is flush with the top wall of the additive storage device 2 on its periphery.

[0070] The top of the additive storage device 2 has a guide surface that extends downwards at an angle from the outside to the inside, guiding the water flow blocked by the annular blocking part 11 to flow downwards.

[0071] The highest point of the additive storage device 2 is higher than the top surface 12 of the balance ring body 1. The lowest point of the additive storage device 2 is higher than or flush with the top surface 12 of the balance ring body 1. This invention positions the additive storage device 2 as close as possible to the upper end of the balance ring structure, making it convenient for users to add additives from above.

[0072] Preferably, the top surface 12 of the balance ring body 1 is a plane.

[0073] Both the lid 22 and the top wall of the additive storage device 2 are designed to extend downwards from the outside to the inside, which helps to guide water droplets or detergent liquid that may splash onto the annular blocking part 11 during the washing process to flow downwards along the inclined surface to the inside of the additive storage device 2, thereby effectively preventing overflow and leakage.

[0074] Preferably, the top of the additive storage device 2 includes the lid 22 and the top wall of the additive storage device 2. The angle between the guide surface and the horizontal plane is an acute angle α. Preferably, the angle α is 1°-50°, more preferably, the angle α is 10°.

[0075] Preferably, the highest point of the additive storage device 2 is slightly higher than the top surface 12 to avoid occupying too much height of the annular blocking part 11 and affecting the water-blocking performance of the annular blocking part 11.

[0076] Furthermore, after the lid 22 flips inward to open the inlet 21, the lid 22 is tilted inward and extends upward, so that it can automatically close under the action of centrifugal force and upward airflow generated when the washing tub rotates.

[0077] After the lid 22 of this invention flips inward to open the inlet 21, it continues to tilt inward and extend upward, cleverly utilizing the centrifugal force and upward airflow generated when the washing tub rotates, allowing the lid 22 to close automatically without manual intervention. This automatic closing mechanism not only improves the convenience of operation but also effectively prevents liquid leakage that may occur during the washing process due to the lid 22 not being closed.

[0078] After the lid 22 is opened, the mounting portion 221 of the lid 22 extends inward, so that the entire cover surface 222 of the lid 22 extends into the inner clothing inlet. This complete insertion of the cover surface 222 into the inner clothing inlet not only avoids potential safety risks caused by partial exposure of the cover surface 222, but also allows the entire cover surface 222 to better contact the upward airflow and automatically close under centrifugal force.

[0079] Preferably, the tilt angle of the lid 22 after opening is an acute angle. The acute angle design ensures that the lid 22 will not over-open when opened, thus maintaining the compactness and stability of the structure. At the same time, the acute angle design also helps the lid 22 to close smoothly and automatically under the action of centrifugal force and airflow.

[0080] Preferably, the tilt angle is 40°-60°. We optimized the specific range of the acute angle. Through multiple experiments and data analysis, we found that the best effect is achieved when the tilt angle of the lid 22 after opening is controlled between 40° and 60°. This ensures that the lid 22 can close smoothly and automatically under the action of centrifugal force and airflow, while avoiding low automatic closing efficiency due to an angle that is too small or inconvenience in operation due to an angle that is too large.

[0081] The bottom of the recess 23 on the inner wall of the additive storage device 2 is provided with a limiting structure 231.

[0082] After the lid 22 is flipped open, the mounting part 221 extends to the inside of the additive storage device 2 and presses against the limiting structure 231. The cover surface 222 supporting the lid 22 extends into the inner clothing inlet in an inclined manner. The lid 22 is lower than the top of the additive storage device 2.

[0083] The present invention adds a limiting structure 231 to the bottom of the recessed part 23. The purpose is to provide a stable support point for the installation part 221 after the box cover 22 is flipped open, so as to ensure that the box cover 22 can be firmly fixed in the open state, while keeping its cover surface 222 in an inclined shape and extending into the clothing inlet inside.

[0084] The inner peripheral wall of the balance ring body 1 is provided with a slot 13, located above the additive storage device 2. The outer edge of the cover 222 is provided with a buckle 223 for engaging and locking with the slot 13. Preferably, the slot 13 is provided on the inner peripheral wall of the annular blocking part 11.

[0085] Specifically, the mounting part 221 includes a connecting arm 2211 and a rotating shaft 2212. When the lid 22 is closed, the connecting arm 2211 extends outward from the inner end of the lid 22 and then extends vertically downward to connect with the rotating shaft 2212, thus preventing the rotating shaft 2212 from rubbing against or getting tangled with the clothing.

[0086] The limiting structure 231 extends inward and downward from the bottom wall of the recess 23. When the box cover 22 is opened, the end of the connecting arm 2211 connected to the rotating shaft 2212 extends downward and presses against the limiting structure 231.

[0087] After the connecting arm 2211 extends downward from the rotating shaft 2212 and presses against the limiting structure 231, it continues to extend into the clothing inlet inside the additive storage device 2, and then extends vertically downward, so that the cover 222 remains inclined upward towards the inward side.

[0088] The additive storage device 2 includes a drain trough 24 and a cavity 25, with the inlet 21 being the opening of the drain trough 24. The drain trough 24 is located above the cavity 25 and communicates with the cavity 25 through a drain hole at its bottom. The additive enters the cavity 25 through the drain trough 24. The drain trough 24 is designed to prevent the additive from overflowing from the inlet 21 due to the centrifugal force generated by the rotation of the washing tub.

[0089] One method of adding the additive is that the side wall of the cavity 25 is provided with a liquid outlet, and the additive is discharged from the liquid outlet into the outer tank by the centrifugal force generated by the rotation of the washing tub.

[0090] The present invention also provides a washing device having any of the above-described balancing ring structures. The washing device includes a washing tub, and the balancing ring structure is mounted on the opening of the washing tub.

[0091] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present invention. The implementation schemes in the above embodiments can also be further combined or replaced. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A balance ring structure for a washing device, characterized in that, include: Balance ring body, An additive storage device is protruding from the inner peripheral wall of the balance ring body; The additive storage device is provided with an inlet and a cover for opening and closing the inlet, and the top of the additive storage device is lower than the top of the balance ring body.

2. The balance ring structure according to claim 1, characterized in that, The inner circumferential side of the top of the balance ring body has an upwardly protruding annular blocking portion, and the top of the additive storage device is lower than the highest point of the annular blocking portion.

3. The balance ring structure according to claim 2, characterized in that, The inlet is located on the top wall of the additive storage device, and the top wall of the additive storage device and the box cover are lower than the annular blocking part; Preferably, the top of the balance ring body has an annular top surface, the annular blocking part protrudes from the top surface, and the highest point of the cover is not lower than the top surface of the balance ring body when closed.

4. The balance ring structure according to claim 3, characterized in that, The inner wall of the additive storage device is provided with a recess, and the mounting part of the box cover is rotatably disposed in the recess. The box cover can be rotated inward to open the inlet and rotated outward to close the inlet.

5. The balance ring structure according to claim 4, characterized in that, The bottom of the inner end of the lid has two mounting portions that extend outward from it, which are rotatably mounted in two recesses on the inner sidewall of the additive storage device. Preferably, after the lid is closed, the outer wall of the lid is flush with the outer wall of the additive storage device around it.

6. The balance ring structure according to any one of claims 3-5, characterized in that, The top of the additive storage device has a guide surface that extends downwards at an angle from the outside to the inside, for guiding the water flow blocked by the annular barrier to flow downwards; optionally, the highest point of the additive storage device is higher than the top surface of the balance ring body. Preferably, the angle between the guide surface and the horizontal plane is an acute angle; alternatively, the angle is 1°-50°; more preferably, the angle is 10°.

7. The balance ring structure according to any one of claims 4-5, characterized in that, After the lid flips inward to open the inlet, the lid is tilted inward and extends upward, so that it can automatically close under the action of centrifugal force and upward airflow when the bucket is rotating. Preferably, after the lid is opened, the mounting part of the lid extends inward, so that the entire lid surface extends into the inner clothing inlet. Preferably, the tilt angle of the lid after it is opened is an acute angle, and more preferably, the tilt angle is 40°-60°.

8. The balance ring structure according to any one of claims 6-7, characterized in that, The bottom of the recess on the inner wall of the additive storage device is provided with a limiting structure. After the lid is flipped open, the mounting part extends to the inside of the additive storage device and presses against the limiting structure, and the lid surface supporting the lid extends into the clothing inlet inside in an inclined manner.

9. The balance ring structure according to claim 8, characterized in that, The mounting part includes a connecting arm and a rotating shaft. When the lid is closed, the connecting arm extends outward from the inner end of the lid and then extends vertically downward to connect with the rotating shaft. The limiting structure extends inward and downward from the bottom wall of the recess. When the lid is opened, the end of the connecting arm that is connected to the rotating shaft extends downward and presses against the limiting structure.

10. A washing device, characterized in that, It has the balance ring structure as described in any one of claims 1-9.

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