Inner cylinder assembly and washing machine having the same

Abstract

The present application relates to an inner drum assembly and a washing machine having the same, belonging to the technical field of washing machines. The inner drum assembly includes: an inner drum, the inner drum defining a washing cavity, the washing cavity including opposite ends, one of which is provided with an opening; a convex structure, the convex structure being uniformly arranged on the inner wall of the inner drum, the convex structure defining a hollow cavity, the convex structure including a recessed portion and a protruding portion, the recessed portion being recessed in a direction towards the hollow cavity. According to the inner drum assembly of the present invention, the convex structure can enhance the friction force on the clothes during washing and improve the washing cleanliness. Through the relatively arranged recessed portion and protruding portion, while ensuring the cleaning effect on the clothes, the contact area between the convex structure and the clothes can be reduced, making it easier for the clothes to be shaken loose.

Description

Technical Field

[0001] The present application relates to the technical field of washing machines, and particularly to an inner barrel assembly and a washing machine having the same. Background Art

[0002] A washing machine is a cleaning appliance that uses mechanical energy generated by electric energy to wash clothes. Washing machines are generally classified into drum washing machines and pulsator washing machines according to the washing principle. The washing principle of a drum washing machine is designed by imitating the principle of a wooden mallet hitting clothes. A drum washing machine generally includes an inner barrel, and the inner barrel rotates regularly forward and backward under the drive of a motor to drive the flow of water and the tumbling of clothes. The clothes rise under the drive of the lifting ribs and then freely fall into the washing liquid under the action of their own gravity, repeating the cycle. The clothes are continuously lifted and dropped in the inner barrel. Through the repeated action of lifting and dropping, together with the common action of washing powder and water, the clothes are washed clean. The washing effect of the clothes, especially the rinsing effect, depends on the water flow speed of the forward and reverse rotation of the inner barrel, the washing time, and the degree of friction between the inner barrel wall and the clothes. At present, when the washing machine is dehydrating, the phenomenon of clothes sticking to the barrel is likely to occur, especially in a washing and drying machine. After dehydration, the clothes stick to the barrel and cannot fall off, resulting in the clothes not being able to be dried, which affects the user experience. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. For this purpose, the present invention provides an inner barrel assembly, and the convex structure of the inner barrel assembly can enhance the friction force on the clothes during washing, improve the washing cleanliness, and through the relatively arranged concave part and convex part, while ensuring the cleaning effect on the clothes, the contact area between the convex structure and the clothes can be reduced, making it easier for the clothes to be shaken loose.

[0004] The present invention also provides a washing machine including the above-mentioned inner barrel assembly.

[0005] According to the inner barrel assembly of the present invention, it includes: an inner barrel, the inner barrel defines a washing cavity, the washing cavity includes opposite ends, and one of the ends is provided with an opening; a convex structure, the convex structure is uniformly arranged on the inner wall of the inner barrel, the convex structure defines a hollow cavity, the convex structure includes a concave part and a convex part, the concave part shrinks inward in the direction towards the hollow cavity, and the convex part protrudes outward in the direction away from the hollow cavity.

[0006] According to the inner barrel assembly of the present invention, the convex structure can enhance the friction force on the clothes during washing, improve the washing cleanliness, and through the relatively arranged concave part and convex part, while ensuring the cleaning effect on the clothes, the contact area between the convex structure and the clothes can be reduced, making it easier for the clothes to be shaken loose.

[0007] According to the inner barrel assembly of the present invention, the concave part and the convex part are relatively arranged, the convex part of each convex structure faces one end of the washing cavity, and the concave part of each convex structure faces the other end of the washing cavity.

[0008] For the inner cylinder assembly according to the present invention, the outward convex portion includes two connected first side faces, the concave portion includes two connected second side faces, the convex structure further includes at least two third side faces, both ends of the third side face are respectively connected to the outward convex portion and the concave portion, the first side face, the second side face and the third side face respectively intersect with the wall surface of the inner cylinder to form a bottom edge, and the included angle between the bottom edges corresponding to the two first side faces is an obtuse angle, the included angle between the bottom edge corresponding to the third side face and the adjacent second side face is an acute angle, and the included angle between the two second side faces is an obtuse angle.

[0009] Optionally, the multiple bottom edges of the convex structure are connected end to end to form a hexagon, the lengths of the multiple bottom edges are equal, the included angle between the bottom edges corresponding to the two first side faces is 120°, the included angle between the bottom edges corresponding to the two second side faces is 120°, and the bottom edges corresponding to the two third side faces are parallel.

[0010] Optionally, one ends of the first side face, the second side face and the third side face away from the wall surface of the inner cylinder converge towards each other to form a top end, and the top end is configured as a smooth arc surface.

[0011] Optionally, the two third side faces are symmetrical figures, the two first side faces are symmetrical figures, the two second side faces are symmetrical figures, the connection line between one ends of the bottom edges corresponding to the two third side faces close to the outward convex portion is a first line segment, and the orthographic projection of the top end on the wall surface of the inner cylinder intersects with the first line segment.

[0012] Optionally, the height of the convex structure in the radial direction of the inner cylinder is 1 - 5 mm.

[0013] Optionally, the length of the bottom edge is 5 - 50 mm.

[0014] For the inner cylinder assembly according to the present invention, along the axial direction of the inner cylinder, multiple convex structures are arranged in columns, and multiple columns of convex structures are evenly distributed in the circumferential direction. A column of evenly arranged dehydration holes is provided between two adjacent columns of convex structures.

[0015] Optionally, a flanging is provided at one end of the dehydration hole away from the washing cavity.

[0016] The washing machine according to the present invention includes the above-mentioned inner cylinder assembly.

[0017] The washing machine according to the present invention can enhance the friction force on the clothes during washing, improve the washing cleanliness, and through the relatively arranged concave portion and outward convex portion, while ensuring the cleaning effect on the clothes, the contact area between the convex structure and the clothes can be reduced, making it easier for the clothes to be shaken and dispersed. Description of the Drawings

[0018] The accompanying drawings here are incorporated into the specification and form a part of this specification, showing embodiments in accordance with the present invention and, together with the specification, serving to explain the principles of the present invention.

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required for use in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 Is a perspective view of an inner cylinder assembly according to an embodiment of the present invention;

[0021] Figure 2 Is Figure 1 An enlarged view of part A in

[0022] Figure 3 Is a side view of an inner cylinder assembly according to an embodiment of the present invention;

[0023] Figure 4 Is Figure 3 An enlarged view of part B in

[0024] Figure 5 Is a schematic diagram of a raised structure of an inner cylinder assembly according to an embodiment of the present invention.

[0025] Reference numerals:

[0026] Inner cylinder assembly 1, inner cylinder 10, raised structure 20, recessed portion 21, outwardly convex portion 22, first side surface 222, second side surface 212, third side surface 23, top end g, dehydration holes 30. Detailed embodiments

[0027] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts fall within the protection scope of the present application.

[0028] The following describes an inner cylinder assembly 1 for a washing machine according to an embodiment of the present invention with reference to the accompanying drawings. It can be understood that the inner cylinder assembly 1 can be applied not only to a drum washing machine but also to a dryer, a fully automatic pulsator washing machine, etc.

[0029] As Figure 1 And Figure 2 Shown, the inner cylinder assembly 1 according to an embodiment of the present invention includes an inner cylinder 10 and a raised structure 20.

[0030] Specifically, the inner cylinder 10 defines a washing cavity, which includes opposite ends, and one of the ends is provided with an opening; the convex structures 20 are uniformly arranged on the inner wall of the inner cylinder 10, and the convex structures 20 define a hollow cavity. The convex structure 20 includes a concave portion 21 and a convex portion 22. The concave portion 21 shrinks inward in the direction towards the hollow cavity, and the convex portion 22 protrudes outward in the direction away from the hollow cavity.

[0031] To elaborate, when the inner cylinder assembly 1 is applied to a washing machine, when a user needs to wash clothes, the clothes and the like are put into the inner cylinder 10 through the opening. After the clothes are washed, the clothes are taken out from the opening. The convex structures 20 protrude from the wall surface of the inner cylinder 10 in the washing cavity. The convex structures 20 can enhance the friction force on the clothes during washing and improve the washing cleanliness. Generally, during washing, the concave portion 21 is spaced from the clothes, and the convex portion 22 can come into contact with the clothes. In this way, while ensuring the cleaning effect on the clothes, the contact area between the convex structure 20 and the clothes can be reduced, making it easier for the clothes to be shaken loose.

[0032] It should be noted that the side wall of the convex structure 20 can be a curved surface structure or formed by connecting multiple plane structures end to end, and the present application does not make any restrictions.

[0033] It can be understood that the number of the convex structures 20 is not specifically limited either and can be determined according to the usage requirements as long as it can ensure the dehydration rate of the drum washing machine.

[0034] In addition, the convex structure 20 can include one or more convex portions 22, and the convex structure 20 can include one or more concave portions 21, which can be correspondingly set according to needs, and the present application does not make any restrictions. Among them, the convex portion 22 can be a smooth curved surface structure or formed by connecting plane structures. Similarly, the concave portion 21 can be a smooth curved surface structure or formed by connecting plane structures.

[0035] In an example of the present invention, the inner cylinder 10 can be a stainless steel inner cylinder 10, and the convex structure 20 of the stainless steel inner cylinder 10 can be formed by stamping. This can not only simplify the processing procedure and reduce the production cost, but also give a sense of technology and a reflective visual effect.

[0036] According to the inner cylinder assembly 1 of the embodiment of the present invention, the convex structure 20 can enhance the friction force on the clothes during washing and improve the washing cleanliness. Through the relatively arranged concave portion 21 and convex portion 22, while ensuring the cleaning effect on the clothes, the contact area between the convex structure 20 and the clothes can be reduced, making it easier for the clothes to be shaken loose.

[0037] Such as Figure 3 and Figure 4As shown, for the inner cylinder assembly 1 according to the present invention, the recessed part 21 and the convex part 22 are oppositely arranged. The convex part 22 of each convex structure 20 faces one end of the washing cavity, and the recessed part 21 of each convex structure 20 faces the other end of the washing cavity. For example, the convex part 22 of each convex structure 20 faces the opening direction, and the recessed part 21 of each convex structure 20 faces the direction away from the opening. It can also be that the recessed part 21 of each convex structure 20 faces the opening direction, and the convex part 22 of each convex structure 20 faces the direction away from the opening. In this way, the convex structures 20 are regularly arranged on the inner wall of the inner cylinder 10. Since the convex structures 20 are often formed by stamping, such an arrangement can facilitate processing and forming, and facilitate the arrangement and positioning of the processing punches.

[0038] As Figure 3 and Figure 4 As shown, for the inner cylinder assembly 1 according to an embodiment of the present invention, the convex part 22 includes two connected first side faces 222, the recessed part 21 includes two connected second side faces 212, the convex structure 20 further includes at least two third side faces 23, and both ends of the third side face 23 are respectively connected to the convex part 22 and the recessed part 21. The first side face 222, the second side face 212, and the third side face 23 respectively intersect with the wall surface of the inner cylinder 10 to form a base. The angle between the bases corresponding to the two first side faces 222 is an obtuse angle, the angle between the base corresponding to the third side face 23 and the adjacent second side face 212 is an acute angle, and the angle between the two second side faces 212 is an obtuse angle.

[0039] Among them, the connection parts between the first side face 222, the second side face 212, and the third side face 23 are formed into smooth rounded corner structures. In this way, the convex structure 20 is formed into a structure similar to a three-dimensional rhombus, which can increase the water flow circulation force, generate multi-dimensional water flow, fully dissolve the detergent, and enable the clothes to fully rub against the convex structure 20 during the clothes washing process, improving the washing effect.

[0040] In some embodiments, the multiple bases of the convex structure 20 are connected end to end to form a hexagon, the lengths of the multiple bases are all equal, the angle between the bases corresponding to the two first side faces 222 is 120°, the angle between the bases corresponding to the two second side faces 212 is 120°, and the bases corresponding to the two third side faces 23 are parallel. In this way, the processing and forming process can be simplified.

[0041] As Figure 5 As shown, in some embodiments, one ends of the first side face 222, the second side face 212, and the third side face 23 away from the wall surface of the inner cylinder 10 converge towards each other to form a top end g, and the top end g is configured as a smooth arc surface.

[0042] As Figure 3 and Figure 4As shown, for the inner cylinder assembly 1 according to an embodiment of the present invention, one ends of the first side surface 222, the second side surface 212, and the third side surface 23 away from the wall surface of the inner cylinder 10 converge towards each other. That is to say, the first side surface 222, the second side surface 212, and the third side surface 23 are all inclined towards the direction close to the hollow cavity. The first side surface 222, the second side surface 212, and the third side surface 23 are all planar structures and are all triangular. In this way, when separating clothes from water, the scouring speed of water on the wall surface of the inner cylinder 10 can be increased. Thus, when the water hits the clothes, the washing effect of the clothes can be enhanced. At the same time, during the dehydration operation, the top end g can lift the washing object, increasing the separation speed of the clothes and the water; in addition, the top end g is configured as a smooth arc surface, which can prevent the washing object from being worn or damaged by wire drawing due to excessive friction during the dehydration operation.

[0043] As Figure 4 and Figure 5 shown, in some embodiments, the two third side surfaces 23 are symmetrical figures, the two first side surfaces 222 are symmetrical figures, the two second side surfaces 212 are symmetrical figures. The connection line between one ends of the bases corresponding to the two third side surfaces 23 close to the convex portion 22 is the first line segment, and the orthographic projection of the top end g on the wall surface of the inner cylinder 10 intersects the first line segment.

[0044] It can be understood that after the inner cylinder 10 is unfolded, the projection of the third side surface 23 on the horizontal plane (the plane parallel to the paper surface as shown) is a right triangle, the projection of the first side surface 222 on the horizontal plane is a right triangle, and the projection of the second side surface 212 on the horizontal plane is an obtuse triangle.

[0045] As Figure 5 shown, taking a convex structure 20 on the inner cylinder 10 as an example, the base formed by the convex structure 20 and the inner wall of the inner cylinder 10, the line segments ab and ed are respectively the bases formed by the intersection of the two third side surfaces and the wall surface of the inner cylinder 10, the line segments af and ef are respectively the bases formed by the intersection of the two second side surfaces and the wall surface of the inner cylinder 10, and the line segments dc and bc are respectively the bases formed by the intersection of the two first side surfaces and the wall surface of the inner cylinder 10. The line segment ab is parallel to the line segment ed, the line segment af is parallel to the line segment bc, and the line segment ef is parallel to the line segment dc. The lengths of the line segments ab, ed, af, ef, dc, and bc are all equal. The included angle between the line segment ab and the line segment bc is 120°, the included angle between the line segment dc and the line segment bc is 120°, and the included angle between the line segment af and the line segment ef is 120°.

[0046] The triangle EDG and the triangle ABG are respectively formed by the orthographic projections of a third side surface 23 on the wall surface of the inner cylinder 10. Both the triangle EDG and the triangle ABG are right triangles, and the areas of the triangle EDG and the triangle ABG are equal. The triangle BGC and the triangle DGC are respectively formed by the orthographic projections of a first side surface 222 on the wall surface of the inner cylinder 10. Both the triangle BGC and the triangle DGC are right triangles, and the areas of the triangle BGC and the triangle DGC are equal. The triangle AFG and the triangle EFG are both obtuse triangles, and the areas of the triangle AFG and the triangle EFG are equal.

[0047] In some embodiments, the height H of the convex structure 20 in the radial direction of the inner cylinder 10 is 1 - 5 mm. Among them, H can be 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, and 5 mm.

[0048] In some embodiments, the length L of the base is 5 - 50 mm. That is, 5 mm, 10 mm, 15 mm, 20 mm, 25 mm, 30 mm, 35 mm, 40 mm, 45 mm, and 50 mm.

[0049] As Figure 3 and Figure 4 shown, in the inner cylinder assembly 1 according to the embodiment of the present invention, along the axial direction of the inner cylinder 10, a plurality of convex structures 20 are arranged in columns, and multiple columns of convex structures 20 are evenly distributed in the circumferential direction. A column of evenly arranged dehydration holes 30 is provided between two adjacent columns of convex structures 20.

[0050] As Figure 3 and Figure 4 shown, in the inner cylinder assembly 1 according to the embodiment of the present invention, setting a plurality of dehydration holes 30 is to improve the drainage efficiency during the drying operation. A column of evenly arranged dehydration holes 30 is provided between two adjacent columns of convex structures 20. The adjacent convex structures 20 can lift the laundry to prevent the laundry from sticking to the dehydration holes 30 during the drying operation, resulting in snagging damage. At the same time, the two adjacent columns of convex structures 20 can play a guiding role by means of centrifugal force and gravity during dehydration, so that the water in the clothes can separate from the clothes along the side surfaces (the first side surface 222, the second side surface 212, and the third side surface 23) of the convex structures 20 and fall down to be discharged from the dehydration holes 30. In addition, since the side surfaces (the first side surface 222, the second side surface 212, and the third side surface 23) of the convex structures 20 protrude from the wall surface of the inner cylinder 10, dirt is likely to accumulate here. Setting the dehydration holes 30 here can wash this place by means of the gravity and impact force when the water in the clothes separates during the drying operation, thereby preventing the accumulation of dirt.

[0051] In addition, as Figure 1 and Figure 2As shown, since the concave portions 21 and the convex portions 22 are oppositely arranged, the convex portions 22 protrude away from the hollow cavity, the convex portion 22 of each convex structure 20 faces one end of the washing cavity, and the concave portion 21 of each convex structure 20 faces the other end of the washing cavity. A linear flow channel is formed between two adjacent columns of convex structures 20, and a curved flow channel is formed between two adjacent rows of convex structures 20. The linear channel formed by two adjacent columns of convex structures 20 and the curved channel formed by two adjacent rows of convex structures 20 intersect perpendicularly. Arranging the dehydration holes 30 at the perpendicular intersection is conducive to the water flow entering the linear channel flowing into each intersecting branch, thereby achieving the effect of cleaning the positions between each adjacent convex structure 20 on the inner wall of the inner tub 10. In addition, the intersection of the linear channel formed by two adjacent columns of convex structures 20 and the curved channel formed by two adjacent rows of convex structures 20 is provided with a smoothly transitioning structure, which is more conducive to guiding the water flow in the direction of each branch.

[0052] It can be understood that there is no special limitation on the shape of the dehydration holes 30. For example, the dehydration holes 30 can be formed as circular through holes or elliptical through holes.

[0053] In some embodiments, the diameter D of the dehydration holes 30 is 1.5 mm to 4 mm. Such a setting can both prevent excessive wear of the dehydration holes 30 on the clothes and ensure the dehydration rate of the washing machine.

[0054] It should be noted that when two adjacent columns of convex structures 20 are closely arranged, there is not enough space to set the dehydration holes 30. The dehydration holes 30 can be punched on any one of the two adjacent convex structures 20, which has little impact on the implementation effect of the present application.

[0055] Among them, D can be 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, and 4 mm.

[0056] In some embodiments, a flanging is provided at one end of the dehydration holes 30 away from the washing cavity, which can simplify the processing of the dehydration holes 30 and reduce the production cost of the inner tub assembly 1. Since the dehydration holes 30 are usually punched on the wall of the inner tub 10, drilling from the inner wall of the inner tub 10 to the outer wall of the inner tub 10 makes the edge of the dehydration holes 30 fall on the outer wall side of the inner tub 10, thereby preventing the dehydration holes 30 from damaging the clothes.

[0057] The washing machine according to the present invention includes the above-mentioned inner tub assembly 1.

[0058] The washing machine according to the present invention can enhance the frictional force on the clothes during washing, improve the washing cleanliness, and through the relatively arranged concave portions 21 and convex portions 22, while ensuring the cleaning effect on the clothes, reduce the contact area between the convex structure 20 and the clothes, making it easier for the clothes to be shaken loose.

[0059] Among them, the washing machine may include, but is not limited to, a drum washing machine, a fully automatic pulsator washing machine, etc.

[0060] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "radial", "circumferential", 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 to the present invention. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise stated, the meaning of "a plurality" is two or more.

[0061] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. 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.

[0062] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

Claims

1. An inner cylinder assembly, characterized in that, Comprising: An inner cylinder that defines a washing cavity, the washing cavity including opposite ends, with an opening provided at one of the ends. A raised structure that is uniformly provided on the inner wall of the inner cylinder, the raised structure defining a hollow cavity. The raised structure includes a recessed portion and a convex portion. The recessed portion is recessed in a direction towards the hollow cavity, and the convex portion protrudes in a direction away from the hollow cavity. The recessed portion and the convex portion are oppositely arranged. The convex portion of each raised structure faces one end of the washing cavity, and the recessed portion of each raised structure faces the other end of the washing cavity. The convex portion includes two connected first side faces, the recessed portion includes two connected second side faces, and the raised structure further includes at least two third side faces. The two ends of the third side face are respectively connected to the convex portion and the recessed portion. The first side face, the second side face, and the third side face respectively intersect with the wall surface of the inner cylinder to form a bottom edge. The angle between the bottom edges corresponding to the two first side faces is an obtuse angle, the angle between the third side face and the bottom edge corresponding to the adjacent second side face is an acute angle, and the angle between the two second side faces is an obtuse angle.

2. The inner cylinder assembly according to claim 1, wherein The multiple bottom edges of the raised structure are connected end to end to form a hexagon, and the lengths of the multiple bottom edges are all equal. The angle between the bottom edges corresponding to the two first side faces is 120°, the angle between the bottom edges corresponding to the two second side faces is 120°, and the bottom edges corresponding to the two third side faces are parallel.

3. The inner cylinder assembly according to claim 2, characterized in that, The ends of the first side face, the second side face, and the third side face away from the inner cylinder wall surface converge towards each other to form a top end, and the top end is configured as a smooth arc surface.

4. The inner cylinder assembly according to claim 3, characterized in that, The two third side faces are symmetric figures, the two first side faces are symmetric figures, the two second side faces are symmetric figures. The connection line between the ends of the bottom edges corresponding to the two third side faces close to the convex portion is a first line segment, and the orthographic projection of the top end on the inner cylinder wall surface intersects with the first line segment.

5. The inner cylinder assembly according to claim 2, wherein, The height of the raised structure in the radial direction of the inner cylinder is 1 - 5 mm.

6. The inner cylinder assembly according to claim 2, characterized in that, The length of the bottom edge is 5 - 50 mm.

7. The inner cylinder assembly according to claim 1, wherein In the axial direction of the inner cylinder, multiple raised structures are arranged in columns, and multiple columns of raised structures are evenly distributed circumferentially. A column of evenly arranged dehydration holes is provided between two adjacent columns of raised structures.

8. The inner cylinder assembly according to claim 7, wherein, A flanging is provided at the end of the dehydration hole away from the washing cavity.

9. A washing machine, characterized in that, Comprising an inner cylinder assembly according to any one of claims 1 - 8.

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