CN216495187U - Dish-washing machine - Google Patents

Abstract

The utility model relates to the technical field of kitchen appliances, in particular to a dish-washing machine, which comprises a roller assembly and an inner container, wherein the roller assembly is fixedly connected with the inner container of the dish-washing machine, and the joints between the roller assembly and the inner container are mutually abutted, so that water leakage can be effectively prevented.

Description

Dish-washing machine

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a dish-washing machine.

Background

Existing dishwashers are generally provided with rollers and sliding rails to facilitate pushing or pulling the rack into or out of the inner tub. At present, most of the installation methods of the roller are tightened on the side wall of the inner container by screws, specifically, a through hole is arranged on the inner container of the dish washer, and a roller shaft of the roller passes through the through hole arranged on the inner container and is fixed on the side wall of the inner container by screws. In order to prevent water leakage from the through hole, a sealing ring is required to be added in the through hole, but if the sealing ring is not replaced in time, the water leakage of the dish washing machine can be caused due to aging failure and other reasons.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dishwasher, which aims to solve the technical problem that the water leakage of the dishwasher is easily caused by the mode that the through hole is formed in the inner container and the through hole is sealed by a sealing ring to realize the installation of a roller in the prior art.

Based on the purpose, the utility model provides a dish washing machine, which comprises a roller assembly and a liner, wherein the roller assembly is fixedly connected with the liner of the dish washing machine, and the joints of the roller assembly and the liner are mutually abutted.

Further, in some optional embodiments, the roller assembly comprises a fixing member, the fixing member is fixedly connected with the inner container of the dishwasher, and the connection between the fixing member and the inner container is abutted against each other.

Further, in some optional embodiments, the base is coupled to the fixture.

Further, in some optional embodiments, the base includes a roller shaft, and the roller assembly further includes a roller coupled to the roller shaft.

Further, in some optional embodiments, the base further comprises a first mounting plate and a second mounting plate, the roller shaft is connected with the first mounting plate, one end of the second mounting plate is connected with the first mounting plate, and a gap is arranged between the second mounting plate and the first mounting plate, so that the fixing member can be positioned between the first mounting plate and the second mounting plate.

Further, in some optional embodiments, an end of the second mounting plate, which is far away from the first mounting plate, is provided with an elastic limiting protrusion, and the elastic limiting protrusion can abut against one end of the fixing member, so that the second mounting plate is fixed between the fixing member and the inner container.

Further, in some optional embodiments, a plate surface of the second mounting plate, which is far away from the first mounting plate, is provided with a limiting part; the inner container is provided with a limiting matching part, and the limiting matching part is matched with the limiting part so as to limit the base.

Further, in some optional embodiments, the fixing member is in a bent plate shape, two opposite side edges of the fixing member are both fixedly connected with the inner container, and a gap is formed between a portion between the two side edges of the fixing member and the surface of the inner container.

Further, in some optional embodiments, one end of the fixing member is provided with a notch, and the base is located in the notch.

Further, in some optional embodiments, the notch is a straight groove, and a length direction of the straight groove is parallel to a length direction of two opposite side edges of the fixing piece.

Further, in some alternative embodiments, the notch is a polygonal groove.

Further, in some optional embodiments, at least two roller assemblies are arranged on the same side of the liner, the openings of the notches of the fixing members in the two roller assemblies are opposite, or the openings of the notches of the fixing members in the two roller assemblies are both oriented to the top of the liner.

Further, in some optional embodiments, two opposite side edges of the fixing member are provided with positioning portions; the inner container is provided with a positioning matching part, and the positioning matching part is matched with the positioning part to position the fixing piece.

Further, in some optional embodiments, the fixing piece is welded or riveted with the side wall of the inner container.

Further, in some optional embodiments, the dishwasher further comprises a guide rail, wherein the guide rail is connected with the roller, and the guide rail can reciprocate along the length direction of the guide rail relative to the roller.

Further, in some optional embodiments, a first sliding groove is disposed at the top of the guide rail, a second sliding groove is disposed at the bottom of the guide rail, and the roller is limited between the first sliding groove and the second sliding groove.

Further, in some optional embodiments, one end of the guide rail is provided with a first stopping portion, the other end of the guide rail is provided with a second stopping portion, and the first stopping portion and the second stopping portion can be respectively abutted against the roller to limit the maximum stroke of the guide rail.

Further, in some optional embodiments, the dishwasher further comprises a rack slidably connected to the rail.

Compared with the prior art, the utility model has the beneficial effects that:

the dish washing machine provided by the utility model comprises a roller assembly and a liner, wherein the roller assembly is fixedly connected with the liner of the dish washing machine, and the joints between the roller assembly and the liner are mutually abutted. Based on the structure, the dish washer provided by the utility model can effectively prevent water leakage because the joints between the roller assemblies and the inner container are mutually abutted.

The roller assembly in the dish washer provided by the utility model can also comprise a fixing piece, a base and a roller, wherein the fixing piece is fixed on the inner container and can be provided with a notch; the base includes first mounting panel and the second mounting panel that the clearance set up, and the base includes the gyro wheel axle of being connected with first mounting panel, and the gyro wheel is connected with the gyro wheel axle. The fixing piece is fixedly connected with the inner container in a mode of not needing drilling, such as welding or TOX riveting, and the like, so that water leakage is effectively prevented; the notch on the mounting is used for holding the roller shaft, and the mounting can stretch into the clearance between first mounting panel and the second mounting panel, and the spacing joint between mounting and the base can be realized to breach and above-mentioned clearance mutually supporting, and the mode of this spacing joint can not only promote the assembly efficiency of base and gyro wheel, and can promote the change convenience of base and gyro wheel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a dishwasher according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic structural diagram of the inner container of the dishwasher and the roller assembly in cooperation according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is an exploded view of the roller assembly according to the first embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a fixing element according to a first embodiment of the present invention;

FIG. 7 is a schematic view of a structure of a guide rail and a roller of the first embodiment of the present invention;

FIG. 8 is a schematic view illustrating an installation state of a fixing member according to a first embodiment of the present invention;

FIG. 9 is a schematic view of another installation state of the fixing member according to the first embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a fixing member in a dishwasher according to a second embodiment of the present invention;

FIG. 11 is an exploded view of the roller and the base of the dishwasher according to the second embodiment of the present invention;

FIG. 12 is a schematic structural view of a modification of a fixing member in a dishwasher according to a second embodiment of the present invention;

fig. 13 is a schematic structural view of another modification of a fixing member in a dishwasher according to a second embodiment of the present invention.

Icon: 101-an inner container; 102-a fixture; 103-a roller; 104-side; 105-notch; 106-roller shaft; 107-a first mounting plate; 108-a second mounting plate; 109-elastic limit protrusions; 110-buckle; 111-a positioning section; 112-a guide rail; 113-a first runner; 114-a second runner; 115 — a first stop; 116-a second stop; 117-first slot; 118-a first plug-in block; 119-a shelf; 120-an upper pulley; 121-a lower pulley; 122-a connecting plate; 123-a first slot portion; 124-a second slot portion; 127-a limiting part; 128-third groove portion; 129-fourth groove.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to 9, the present embodiment provides a dishwasher, which includes a roller assembly and a tub 101, wherein the roller assembly is fixedly connected to the tub 101 of the dishwasher, and the joints between the roller assembly and the tub 101 are abutted to each other.

Based on this structure, the dishwasher that this embodiment provided can effectively prevent leaking because the junction between wheel components and inner bag 101 is mutual butt.

Further, in some optional embodiments, the roller assembly includes a fixing member 102, the fixing member 102 is fixedly connected with the tub 101 of the dishwasher, and a connection between the fixing member 102 and the tub 101 abuts against each other.

Wherein, the scroll wheel assembly may further include a base, and the base is connected with the fixing member 102.

Optionally, the base and the fixing member 102 are detachably and fixedly connected together to facilitate replacement of the base and the roller 103.

Further, in some alternative embodiments, the fixing member 102 is in a bent plate shape, two opposite side edges 104 of the fixing member 102 are fixedly connected with the liner 101, and a portion between the two side edges 104 of the fixing member 102 is spaced from the surface of the liner 101.

Wherein, one end of the fixing member 102 may be provided with a notch 105, and the base is located in the notch 105.

Referring to fig. 4, two opposite side edges 104 of the fixing member 102 are welded to the side wall of the inner container 101.

It should be noted that two opposite side edges 104 of the fixing member 102 may also be riveted with the side wall of the inner container 101. For example, TOX riveting.

In this embodiment, referring to fig. 5, the notch 105 is a straight groove, and the length direction of the straight groove is parallel to the length direction of the two opposite sides 104 of the fixing member 102.

Further, in some alternative embodiments, the base includes a roller shaft 106, the roller assembly further includes a roller 103, and the roller 103 is coupled to the roller shaft 106.

The base may further include a first mounting plate 107 and a second mounting plate 108, the roller shaft 106 being connected to the first mounting plate 107, one end of the second mounting plate 108 being connected to the first mounting plate 107, and the second mounting plate 108 being spaced apart from the first mounting plate 107 such that a portion between the two sides 104 of the fixing member 102 can be located between the first mounting plate 107 and the second mounting plate 108.

Furthermore, an elastic limiting protrusion 109 is arranged at one end of the second mounting plate 108, which is far away from the first mounting plate 107, and the elastic limiting protrusion 109 can be abutted against one end of the fixing member 102, so that the second mounting plate 108 is fixed between the fixing member 102 and the liner 101.

Specifically, one end of the roller shaft 106 is fixedly connected to the first mounting plate 107, and the roller shaft 106 is provided with a catch 110, and the catch 110 abuts against the surface of the roller 103 to prevent the roller 103 from coming off the roller shaft 106. The second mounting plate 108 is substantially rectangular in shape, one end of the second mounting plate 108 is connected to the first mounting plate 107 through a connecting plate 122, and optionally, the first mounting plate 107, the connecting plate 122 and the second mounting plate 108 are integrally formed. In this embodiment, the plate surface of the second mounting plate 108 is parallel to the plate surface of the first mounting plate 107, and the size of the gap between the second mounting plate 108 and the first mounting plate 107 is adapted to the thickness of the portion between the two sides 104 of the fixing member 102, so that the portion between the two sides 104 of the fixing member 102 can be located between the first mounting plate 107 and the second mounting plate 108, and cannot be too swayed.

When the fixing device is installed, the end of the second mounting plate 108 with the elastic limiting protrusion 109 is inserted into the gap between the fixing member 102 and the liner 101, at this time, the elastic limiting protrusion 109 is subjected to the extrusion force of the fixing member 102 and is elastically deformed to continue to push the second mounting plate 108 until the elastic limiting protrusion 109 is no longer extruded by the fixing member 102 and returns to the original shape, at this time, the free end of the elastic limiting protrusion 109 can be abutted against the thickness surface of the fixing member 102, meanwhile, the end of the fixing member 102 with the notch 105 is located between the first mounting plate 107 and the second mounting plate 108, and the connecting plate 122 is located in the notch 105.

Further, in some optional embodiments, two opposite side edges 104 of the fixing member 102 are provided with positioning portions 111; the inner container 101 is provided with a positioning engagement portion which engages with the positioning portion 111 to position the fixing member 102.

Referring to fig. 6, in the present embodiment, the positioning portion 111 is a protrusion, and optionally, the protrusion is a hemispherical protrusion. The locating engagement portion is a recess, optionally a spherical groove. During installation, the protrusion is placed in the recess, so that the fixing member 102 can be positioned, the welding position can be conveniently found, and quick and accurate installation can be realized.

In this case, the positioning portion 111 may be a recess, and the positioning engagement portion may be a protrusion.

Further, in some alternative embodiments, the dishwasher further includes a guide rail 112, the guide rail 112 is connected to the roller 103, and the guide rail 112 is capable of reciprocating in its own lengthwise direction with respect to the roller 103.

Specifically, as shown in fig. 7, a first sliding slot 113 is disposed at the top of the guide rail 112, a second sliding slot 114 is disposed at the bottom of the guide rail 112, a notch of the first sliding slot 113 is opposite to a notch of the second sliding slot 114, and the roller 103 is limited between the first sliding slot 113 and the second sliding slot 114.

Further, in some optional embodiments, one end of the guide rail 112 is provided with a first stopping portion 115, the other end of the guide rail 112 is provided with a second stopping portion 116, and the first stopping portion 115 and the second stopping portion 116 can respectively abut against the roller 103 to limit the maximum stroke of the guide rail 112.

In this embodiment, the length of first stopping portion 115 and the length of second stopping portion 116 are both greater than the width of guide rail 112.

Optionally, first stopping portion 115 and second stopping portion 116 are both detachably connected to guide rail 112. Optionally, one end of the guide rail 112 is provided with a first insertion slot 117, the first stopping portion 115 is provided with a first insertion block 118, and the first insertion block 118 is inserted and fixed in the first insertion slot 117. The other end of the guide rail 112 is provided with a second slot, and the second stopping portion 116 is provided with a second inserting block, which is inserted and fixed in the second slot.

In this embodiment, when in use, the first stopper 115 is far away from the opening of the inner container 101, and the second stopper 116 is close to the opening of the inner container 101. When the first stopper 115 abuts against the roller 103, the guide rail 112 is pulled out by a maximum stroke, and when the second stopper 116 abuts against the roller 103, the guide rail 112 is pushed in by a maximum stroke.

Further, in some optional embodiments, on the same side of the liner 101, the number of the roller assemblies is at least two, the openings of the notches 105 of the fixing members 102 in the two roller assemblies are opposite, or the openings of the notches 105 of the fixing members 102 in the two roller assemblies are both directed toward the top of the liner 101.

In this embodiment, the number of the roller assemblies is two. The two roller assemblies are arranged at intervals along the depth direction of the liner 101 and support a guide rail 112 on the side together. Similarly, on the other side of the liner 101 opposite to the one side, a guide rail 112 is also provided, and the guide rail 112 is also supported by two roller assemblies.

In a possible design of this embodiment, referring to fig. 8, the openings of the notches 105 of the fixing members 102 in the two roller assemblies are opposite, which is more favorable for improving the installation firmness of the roller assemblies and preventing the base from falling off from the fixing members 102. Specifically, the notch 105 of the fixing member 102 in the roller assembly close to the opening of the liner 101 faces the opening of the liner 101, and the notch 105 of the fixing member 102 in the roller assembly far from the opening of the liner 101 faces away from the opening of the liner 101. When the guide rail 112 is pulled out by the maximum stroke, the first stopper 115 presses the roller assembly away from the opening of the liner 101, so that the roller 103 and the base tend to move in the direction close to the notch 105, i.e., the roller 103 and the base are more firmly connected with the fixing member 102, and the base is prevented from falling off from the fixing member 102 due to the elastic deformation of the elastic limiting protrusion 109.

When the guide rail 112 is completely pushed into the inner container 101, the second stopper 116 presses the roller assembly near the opening of the inner container 101, so that the roller 103 and the base tend to move in the direction near the notch 105, i.e., the roller 103 and the base are connected with the fixing member 102 more firmly, and the base is prevented from falling off from the fixing member 102 due to the elastic deformation of the elastic limiting protrusion 109.

In another possible design of this embodiment, referring to fig. 9, the openings of the notches 105 of the fixing members 102 in the two roller assemblies are both directed toward the top of the liner 101.

Further, in some alternative embodiments, the dishwasher further includes a rack 119, and the rack 119 is slidably coupled to the rail 112.

Alternatively, referring to fig. 2, the shelf 119 is provided with an upper pulley 120 and a lower pulley 121, the guide rail 112 is located between the upper pulley 120 and the lower pulley 121, and when mounting, the first stopper 115 may be mounted on the guide rail 112, then the shelf 119 may be mounted on the guide rail 112, and then the second stopper 116 may be mounted on the guide rail 112.

When the shelf 119 is pulled out of the liner 101, the upper and lower pulleys 120 and 121 on the shelf 119 can abut against the second stopper 116, thereby preventing the shelf 119 from being separated from the guide rail 112.

Example two

Referring to fig. 10 to 13, the present embodiment also provides a dishwasher, and the dishwasher of the present embodiment describes another implementation of the scroll wheel assembly, and the technical solution of the first embodiment in addition to the above also belongs to the embodiment, and the description is not repeated here. The same reference numerals are used for the same components as in the first embodiment, and reference is made to the description of the first embodiment.

In one possible design of this embodiment, the notch 105 is a polygonal slot.

Referring to fig. 10, the notch 105 is an L-shaped slot. Specifically, the L-shaped groove includes a first groove portion 123 and a second groove portion 124, the longitudinal direction of the first groove portion 123 is parallel to the side edge 104 of the fixing member 102, the second groove portion 124 communicates with the first groove portion 123, and the longitudinal direction of the second groove portion 124 is perpendicular to the longitudinal direction of the first groove portion 123.

Further, in some alternative embodiments, referring to fig. 11, the first mounting plate 107 and the second mounting plate 108 are both circular, the plate surface of the first mounting plate 107 is parallel to the plate surface of the second mounting plate 108, and the gap between the second mounting plate 108 and the first mounting plate 107 is adapted to the thickness of the portion between the two side edges 104 of the fixing member 102, so that the portion between the two side edges 104 of the fixing member 102 can be located between the first mounting plate 107 and the second mounting plate 108 without excessive shaking.

When mounting, the gap between the first mounting plate 107 and the second mounting plate 108 is aligned with the first groove 123 so that the portion between the two sides 104 of the fixing member 102 is located between the first mounting plate 107 and the second mounting plate 108, and the base is moved in the length direction of the first groove 123, and when the base is moved to the corner of the L-shaped groove, the base is moved in the length direction of the second groove 124 until the base abuts against the end groove wall of the second groove 124.

In this embodiment, there are two main mounting manners of the fixing member 102 in the two roller assemblies, and the first mounting manner is: the openings of the first groove parts 123 of the fixing parts 102 in the two roller assemblies are opposite, and the tail ends of the second groove parts 124 are positioned below the openings of the first groove parts 123, so that the base can be ensured to be positioned in the second groove parts 124 under the action of self gravity, and the base is effectively prevented from being separated from the fixing parts 102.

The second mounting mode is as follows: the openings of the first groove parts 123 of the fixing parts 102 in the two roller assemblies are upward, so that the base can be guaranteed to be positioned in the second groove parts 124 under the action of self gravity, and the groove walls on the upper sides of the second groove parts 124 can limit the base to prevent the base from being separated from the fixing parts 102.

Further, in some optional embodiments, the plate surface of the second mounting plate 108 away from the first mounting plate 107 is provided with a limiting part 127; the inner container 101 is provided with a limit matching part, and the limit matching part is matched with the limit part 127 to limit the base.

Alternatively, referring to fig. 11, the limiting portion 127 is a hemispherical convex portion, and the limiting engagement portion is a concave portion engaged with the convex portion. After the base is installed, the protruding portion can be limited and fixed in the recessed portion, and the base is further prevented from falling off from the fixing member 102.

Referring to fig. 12, the notch 105 is a V-shaped groove. Specifically, the V-shaped groove includes a third groove portion 128 and a fourth groove portion 129, the third groove portion 128 is disposed at an angle to the longitudinal direction of the side 104 of the fixing member 102, and the fourth groove portion 129 communicates with the third groove portion 128. When the openings of the third groove portions 128 of the fixing members 102 in the two roller assemblies are installed oppositely, the tail ends of the fourth groove portions 129 are positioned below the corners of the V-shaped grooves, so that the base can be ensured to be positioned in the fourth groove portions 129 under the action of the self gravity, and the base is effectively prevented from being separated from the fixing members 102.

When the openings of the third groove 128 of the fixing member 102 in the two roller assemblies are both installed upwards, the base is located in the fourth groove 129 under the action of the self gravity, and the groove wall of the fourth groove 129 and the corner of the V-shaped groove can both limit the base and prevent the base from being separated from the fixing member 102.

It should be noted that the form of the polygonal line-shaped groove is not limited to the above two forms, and other forms of polygonal line-shaped grooves can be selected according to actual production needs as long as the function of limiting the base can be achieved.

In another possible design of this embodiment, and as shown in FIG. 13, the notches 105 are straight slots. At this time, the opening directions of the notches 105 of the fixing pieces 102 in the two roller assemblies are both towards the top of the liner 101.

It should be noted that, during the production process, the length of the straight groove in the present embodiment is greater than that of the straight groove in the first embodiment, so as to leave a sufficient up-and-down moving space for the base, and prevent the base from falling off from the notch 105.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (18)

1. The dishwasher is characterized by comprising a roller assembly and a liner (101), wherein the roller assembly is fixedly connected with the liner (101) of the dishwasher, and the joints between the roller assembly and the liner (101) are mutually abutted.

2. The dishwasher of claim 1, characterized in that the roller assembly comprises a fixing member (102), the fixing member (102) is fixedly connected with a liner (101) of the dishwasher, and the connection between the fixing member (102) and the liner (101) is abutted against each other.

3. The dishwasher of claim 2, wherein the scroll wheel assembly further comprises a base connected to the mount (102).

4. The dishwasher of claim 3, wherein the base comprises a roller shaft (106), the roller assembly further comprising a roller (103), the roller (103) being connected to the roller shaft (106).

5. The dishwasher of claim 4, characterized in that the base further comprises a first mounting plate (107) and a second mounting plate (108), the roller shaft (106) being connected to the first mounting plate (107), the second mounting plate (108) being connected at one end to the first mounting plate (107), and the second mounting plate (108) being spaced from the first mounting plate (107) to enable the fixing member (102) to be located between the first mounting plate (107) and the second mounting plate (108).

6. The dishwasher of claim 5, characterized in that the end of the second mounting plate (108) remote from the first mounting plate (107) is provided with an elastic stop protrusion (109), the elastic stop protrusion (109) being capable of abutting against an end of the fixing member (102) to secure the second mounting plate (108) between the fixing member (102) and the inner container (101).

7. The dishwasher of claim 6, characterized in that the plate surface of the second mounting plate (108) remote from the first mounting plate (107) is provided with a limit stop (127); the inner container (101) is provided with a limiting matching part, and the limiting matching part is matched with the limiting part (127) so as to limit the base.

8. The dishwasher of any one of claims 2 to 7, characterized in that the fixing member (102) is in the shape of a bent plate, two opposite side edges (104) of the fixing member (102) are fixedly connected with the inner container (101), and a part between the two side edges (104) of the fixing member (102) is arranged with a gap from the surface of the inner container (101).

9. The dishwasher of any one of claims 3 to 7, characterized in that one end of the holder (102) is provided with a notch (105), the seat being located in the notch (105).

10. The dishwasher of claim 9, characterized in that the notch (105) is a straight slot having a length direction parallel to the length direction of the two opposite sides (104) of the holder (102).

11. The dishwasher of claim 9, characterized in that the notch (105) is a polygonal line shaped slot.

12. The dishwasher of claim 9, characterized in that the number of the roller assemblies is at least two on the same side of the inner container (101), the openings of the notches (105) of the fixing members (102) in the two roller assemblies are opposite, or the openings of the notches (105) of the fixing members (102) in the two roller assemblies are both towards the top of the inner container (101).

13. The dishwasher of any one of claims 2 to 7, characterized in that both opposite sides (104) of the holder (102) are provided with positioning portions (111); the inner container (101) is provided with a positioning matching part, and the positioning matching part is matched with the positioning part (111) to position the fixing piece (102).

14. The dishwasher of any one of claims 2 to 7, characterized in that the holder (102) is welded or riveted to a side wall of the inner container (101).

15. The dishwasher of any one of claims 4 to 7, further comprising a guide rail (112), wherein the guide rail (112) is connected to the roller (103), and the guide rail (112) is capable of reciprocating relative to the roller (103) in a length direction thereof.

16. The dishwasher of claim 15, characterized in that a first sliding slot (113) is provided at the top of the guide rail (112), a second sliding slot (114) is provided at the bottom of the guide rail (112), and the roller (103) is limited between the first sliding slot (113) and the second sliding slot (114).

17. The dishwasher of claim 15, characterized in that one end of the guide rail (112) is provided with a first stop (115) and the other end of the guide rail (112) is provided with a second stop (116), the first stop (115) and the second stop (116) being capable of abutting against the roller (103), respectively, to limit the maximum travel of the guide rail (112).

18. The dishwasher of claim 15, further comprising a rack (119), the rack (119) being slidably connected to the rail (112).

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