CN216090388U - Residue treatment structure and dish washer thereof - Google Patents

Abstract

The utility model discloses a residue processing structure, comprising: the water cup is provided with a water collecting cavity and a connecting mounting hole; the filter cup assembly is detachably arranged in the water collecting cavity, and a notch is formed in the lower end of the side wall of the filter cup assembly; the slag crushing component is rotatably arranged in the filter cup component; the driving mechanism comprises a driving component and a shaft component which is transversely arranged, the driving component is transversely assembled at the mounting hole, one end of the shaft component is connected with the output end of the driving component, and the other end of the shaft component transversely penetrates through the notch and is connected with the slag crushing component. The utility model can reduce the axial occupied space of the residue treatment structure, improve the universality of products in different dish washing machines, and realize the quick assembly and disassembly of the filter cup component under the condition of not dismounting the slag crushing component and the shaft component.

Description

Residue treatment structure and dish washer thereof

Technical Field

The utility model relates to the technical field of dish-washing machines, in particular to a residue treatment structure and a dish-washing machine with the residue treatment structure.

Background

The installation motor of current disintegrating slag structure is the axial mostly and installs on dish washer to connect the cutter in the dish washer drinking cup through the axle that the motor extends, multiunit cutter disintegrating slag direction syntropy disintegrating slag or realize two sets of counter-rotating through increasing a set of phase change gear and cut the residue, but this type disintegrating slag structure exists not enoughly as follows:

(1) the motor is axially added through the water cup, a large installation space is needed in the axial direction, and the dishwasher with limited axial installation space is difficult to adapt and realize the slag crushing function;

(2) the scheme of realizing sleeve shaft bidirectional rotation through the integrated gear set has the advantages of complex structure, poor water tightness between rotating shafts, inconvenient tool installation, and poor effect of raising and realizing multiple times of crushing on the residue by the sleeve shaft bidirectional shearing residue structure, thereby influencing the residue crushing effect.

Disclosure of Invention

The utility model aims to solve at least one of the problems in the prior related art to a certain extent, and therefore provides a residue treatment structure which is simple in structure, reduces the axial occupied space of the residue treatment structure by transversely arranging a driving assembly and a shaft assembly, can realize quick assembly and disassembly of a filter cup assembly without disassembling a slag crushing assembly and a driving mechanism, and is convenient for daily cleaning of the filter cup assembly.

The utility model also provides a dishwasher having the residue treatment structure.

According to the residue processing structure provided by the above, the following technical scheme is adopted to realize:

a residue handling structure, comprising: the water cup is provided with a water collecting cavity with an upward opening, and the side wall of the water cup is provided with a mounting hole communicated with the water collecting cavity; the filter cup assembly is detachably arranged in the water collecting cavity, a notch is formed in the lower end of the side wall of the filter cup assembly, and the notch and the mounting hole are arranged correspondingly; the slag crushing component is rotatably arranged in the filter cup component; the driving mechanism comprises a driving component and a shaft component which is transversely arranged, the driving component is transversely assembled at the mounting hole, one end of the shaft component is connected with the output end of the driving component, and the other end of the shaft component transversely penetrates through the notch and is connected with the slag crushing component.

In some embodiments, the slag crushing assembly further comprises a transmission assembly, the slag crushing assembly comprises two cutter sets and two connecting shafts, the two cutter sets are arranged oppositely, one end of each connecting shaft is connected with the corresponding cutter set, and the other end of each connecting shaft is in transmission connection with the shaft assembly through the transmission assembly.

In some embodiments, two sets of knives are respectively disposed at the upper and lower outer sides of the transmission assembly.

In some embodiments, the transmission assembly includes a main bevel gear and two auxiliary bevel gears, the main bevel gear is fixedly arranged at one end of the shaft assembly far away from the driving assembly, the two auxiliary bevel gears are oppositely arranged, and each auxiliary bevel gear is fixedly arranged on the corresponding connecting shaft and meshed with the main bevel gear.

In some embodiments, the driving mechanism further comprises a shaft sleeve member, the shaft sleeve member is sleeved on the outer surfaces of the transmission assembly and the shaft assembly, one end of the shaft sleeve member is detachably connected with the driving assembly, and the other end of the shaft sleeve member is provided with a through hole at a position corresponding to the connecting shaft; the connecting shaft penetrates through the through hole, one end of the connecting shaft is connected with the transmission assembly, and the other end of the connecting shaft is connected with the corresponding cutter set.

In some embodiments, the driving mechanism further includes two bearings, each through hole has a mounting groove at an end thereof close to the transmission assembly, the mounting groove is coaxial with the through hole, and the bearing sleeve is disposed on an outer surface of the connecting shaft and embedded in the mounting groove.

In some embodiments, a clamping groove is formed at one end of the shaft sleeve piece close to the driving assembly, the driving assembly is provided with a positioning part which is suitable for being matched with the clamping groove, and the positioning part is rotationally clamped with the clamping groove; and/or a sealing structure is arranged at the joint of the shaft sleeve and the driving assembly.

In some embodiments, two opposite side walls of the driving assembly are provided with extending portions protruding outwards, a boss is arranged on the outer side wall of the water cup at a position corresponding to the extending portions, and the extending portions are detachably connected with the boss through connecting pieces.

In some embodiments, the shaft assembly further comprises a filter screen, the filter screen is sleeved on the outer surface of the shaft assembly and embedded into the notch, and the notch is clamped on the outer surface of the filter screen.

According to the technical scheme, the dishwasher is realized as follows:

a dishwasher having a residue handling structure as described above.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

1. according to the residue treatment structure, the driving component is transversely assembled at the mounting hole of the water cup, and the slag crushing component is in transmission connection with the driving component through the transversely arranged shaft component, so that the axial occupied space of the residue treatment structure can be reduced, the thickness of the residue treatment structure is thinner, the residue treatment structure is suitable for dish washing machines with limited axial mounting space, and the universality of products in different dish washing machines is improved;

2. through the bottom design with the filter bowl subassembly for opening to add the breach that supplies the axle subassembly to pass at the lateral wall lower extreme of filter bowl subassembly, need not to demolish under the condition of disintegrating slag subassembly and axle subassembly, can realize the quick assembly disassembly of filter bowl subassembly, the daily clean filter bowl subassembly of being convenient for.

Drawings

FIG. 1 is a schematic diagram of a residue handling structure according to an embodiment of the present invention;

FIG. 2 is an exploded view of a residue handling structure according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a cup in an embodiment of the utility model;

FIG. 4 is a schematic view of another angle of the cup according to the embodiment of the present invention;

FIG. 5 is an exploded view of the slag crusher assembly, drive mechanism and transmission assembly of an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a debris handling structure in an embodiment of the present invention with the cup, bowl assembly and screen concealed;

fig. 7 is a schematic structural diagram of a filter screen in an embodiment of the utility model.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the utility model or equivalent substitutions of parts of technical features without departing from the spirit of the utility model are intended to be covered by the scope of the claims of the utility model.

As shown in fig. 1 to 4, the present embodiment provides a residue treating structure applied to a dishwasher. Residue processing structure drinking cup 1, bottom and the equal open filter bowl subassembly 2 in top, disintegrating slag subassembly 3 and actuating mechanism 4, wherein drinking cup 1 is equipped with the chamber 11 that catchments of opening up, and this chamber 11 that catchments is used for being linked together with dish washer washing chamber, is equipped with the mounting hole 12 that the intercommunication catchments chamber 11 at the lateral wall of drinking cup 1. The filter bowl assembly 2 is detachably mounted in the water collecting cavity 11, and a notch 21 is formed at the lower end of the side wall of the filter bowl assembly 2, and the notch 21 is arranged corresponding to the mounting hole 12 and is used for allowing a shaft assembly 42 of the driving mechanism 4 to movably penetrate through. The slag crushing component 3 is rotatably arranged in the filter cup component 2 and is used for crushing the residues in the filter cup component 2. The driving mechanism 4 comprises a driving component 41 and a shaft component 42, the driving component 41 is transversely arranged on the outer side of the side wall of the water cup 1, one end of the driving component 41 is assembled at the mounting hole 12, and the driving component 41 is detachably connected with the side wall of the water cup 1; the shaft assembly 42 is transversely arranged, one end of the shaft assembly 42 is connected with the output end 410 of the driving assembly 41, and the other end of the shaft assembly is transversely arranged through the notch 21 and connected with the slag crushing assembly 3, so that the slag crushing assembly 3 is in transmission connection with the output end 410 of the driving assembly 41 through the transversely arranged shaft assembly 42.

It can be seen that, in the residue treatment structure of the embodiment, the driving component 41 is transversely assembled at the mounting hole 12 of the water cup 1, and the slag crushing component 3 is in transmission connection with the driving component 41 by adopting the shaft component 42 which is transversely arranged, so that the axial occupied space of the residue treatment structure can be reduced, the thickness of the residue treatment structure is thinner, the residue treatment structure is suitable for dishwashers with limited axial mounting space, and the universality of products in different dishwashers is improved; in addition, the bottom of the filter bowl assembly 2 is designed to be open, and the notch 21 for the shaft assembly 42 to penetrate through is additionally arranged at the lower end of the side wall of the filter bowl assembly 2, so that the filter bowl assembly can be quickly assembled and disassembled without disassembling the slag crushing assembly 41 and the shaft assembly 42, and the filter bowl assembly is convenient to clean daily.

As shown in fig. 2-3, it is preferable that several reinforcing rings 10 are provided on the outer side wall of the cup 1 at the periphery of the mounting hole 12, and the reinforcing rings 10 are integrally formed with the outer side wall of the cup 1 for reinforcing the strength of the mounting hole 12 and stably and reliably supporting the driving assembly 41 to prevent deformation due to the heavy weight of the driving assembly 41. Two bosses 13 are further arranged on the outer side wall of the water cup 1, the two bosses 13 are respectively located on the outer side of the outer reinforcing ring 10, each boss 13 is integrally formed with the outer side wall of the outer reinforcing ring 10 and the outer side wall of the water cup 1 respectively to ensure the strength of the boss 13, and the two bosses 13 are respectively matched with a connecting piece (such as a screw) to enable the driving assembly 41 to be stably installed at the installation hole 12 of the water cup 1.

In addition, the side wall of the water cup 1 is further provided with a water outlet communicated with the water collecting cavity 11, the bottom of the water cup 1 is provided with a water draining hole 16, the water draining hole 16 is communicated with the water collecting cavity 11, so that water in the water collecting cavity 11 and crushed residues are drained out of the water collecting cavity 11 through the water draining hole 16, and bacteria breeding caused by residual water in the water collecting cavity 11 or crushed residues is avoided.

As shown in fig. 5-6, the slag crushing assembly 3 further includes a transmission assembly 5, the two knife sets 31 and two connecting shafts 32 are included in the slag crushing assembly 3, the two knife sets 31 are arranged oppositely, each connecting shaft 32 is arranged vertically, one end of each connecting shaft 32 is connected with the corresponding knife set 31, and the other end is in transmission connection with the shaft assembly 42 through the transmission assembly 5. From this, through setting up two knife tackle 31 to through connecting axle 32 and the cooperation of transmission assembly 5, make every knife tackle 31 transmission connecting axle subassembly 42, simple structure has realized through the operating condition of two knife tackle 31 of single drive assembly 41 synchro control, improves residue shredding effect, reduces manufacturing cost simultaneously.

Preferably, the two knife sets 31 of this embodiment are respectively disposed on the upper and lower outer sides of the transmission assembly 5, so that two knife sets 31 arranged up and down are used for crushing slag, the upper knife set 31 is used for crushing slag for the first time, and the lower knife set 31 is used for crushing slag for the second time after crushing slag by the upper knife set 31, thereby significantly improving the slag crushing treatment effect. In addition, the lower cutter group 3 is used for stirring the crushed residues on the lower layer, so that the residues are lifted again, the lifted residues can be crushed by the lower cutter group 3 again, the slag crushing effect is further improved, the residues can be prevented from being accumulated to block the drain hole 16, the drain hole 16 is prevented from being blocked by the residues during drainage, and the effects of drainage and residue drainage are favorably improved.

In this embodiment, the transmission assembly 5 includes a main bevel gear 51 and two auxiliary bevel gears 52, wherein the main bevel gear 51 is fixedly disposed at an end of the shaft assembly 42 away from the driving assembly 41, the two auxiliary bevel gears 52 are oppositely disposed, and each auxiliary bevel gear 52 is fixedly disposed on the corresponding connecting shaft 32 and meshed with the main bevel gear 51, so that the main bevel gear 51 is respectively matched with the two auxiliary bevel gears 52, thereby reliably converting the transverse rotation into the vertical rotation, ensuring that the single driving assembly 41 can reliably drive the two cutters 31 to reversely rotate, and improving the residue crushing efficiency.

As shown in fig. 2 and fig. 5-6, in the present embodiment, two extending portions 412 protruding outward are disposed on two opposite sidewalls of the driving assembly 41, the two extending portions 412 are respectively disposed corresponding to the two bosses 13, and a connecting member (e.g., a screw) is sequentially inserted through the extending portions 412 from outside to inside and is tightly connected to the bosses 13, so that the driving assembly 41 is stably and reliably connected to the water cup 1, and is convenient for quick assembly and disassembly. Preferably, a sealing structure is provided at the connection of the mounting hole 12 and the driving assembly 41 to enhance the sealing effect and prevent the water in the water collecting chamber 11 from leaking out from the connection of the mounting hole 12 and the driving assembly 41.

Preferably, one end of the shaft assembly 42 is fixedly connected to the main bevel gear 51, the other end of the shaft assembly 42 is fixedly connected to the connecting sleeve 421, and the output end 410 of the driving assembly 41 is inserted into the connecting sleeve 421 and connected to the connecting sleeve 421, so that the driving assembly 41 is reliably connected to the main bevel gear 51 by the matching of the connecting sleeve 421 of the shaft assembly 42 and the output end 410, and the main bevel gear 51 is synchronously driven to rotate in the forward direction or the reverse direction. In this embodiment, a plurality of racks 4101 are uniformly arranged at intervals along the circumferential direction at one end of the output end 410 close to the sleeve 421, and correspondingly, a gear structure engaged with the racks 4101 is arranged on the inner side wall of the connecting sleeve 421, so that the output end 410 is connected with the connecting sleeve 421 through the gear structure, and the output end 410 and the connecting sleeve 421 can be stably and reliably connected when the output end 410 rotates forwards or backwards.

Preferably, the driving mechanism 4 further comprises a shaft sleeve 43, the shaft sleeve 43 is sleeved on the outer surfaces of the output end 410, the transmission assembly 5 and the shaft assembly 42, one end of the shaft sleeve 43 is detachably connected with the driving assembly 41, and the other end of the shaft sleeve 43 is provided with a through hole 431 at a position corresponding to the connecting shaft 32; the connecting shaft 32 is disposed through the through hole 431, and one end thereof is connected to the transmission assembly 5, and the other end thereof is connected to the corresponding knife set 31. Therefore, by additionally arranging the shaft sleeve 43 and hiding the output end 410, the transmission assembly 5 and the shaft assembly 42 in the shaft sleeve 43, the output end 410, the transmission assembly 5 and the shaft assembly 42 can be protected from being influenced by water and residues, and the service life of a product is prolonged; meanwhile, the shaft sleeve 43, the shaft assembly 42, the transmission assembly 5 and the slag crushing assembly 3 form a whole, and when the connection relationship between the shaft sleeve 43 and the driving assembly 41 and the connection relationship between the shaft assembly 42 and the output end 410 are removed, the whole can be detached so as to facilitate the bottom cleaning of the water collecting cavity 11, or the whole is assembled on the driving assembly 41 together, so that the assembly efficiency is improved.

Preferably, the driving mechanism 4 further includes two bearings 44, one end of each through hole 431 near the transmission assembly 5 is provided with a mounting groove (not shown in the figure) which is coaxially arranged with the through hole 431 and is communicated with each other, and the bearings 44 are sleeved on the outer surface of the connecting shaft 32 and are embedded in the mounting grooves, so that the rotation of the connecting shaft 32 is smoother by adding the bearings 44. In this embodiment, the installation groove may be connected to the bearing 44 in an interference fit manner, and/or a sealing structure may be added at the connection position between the installation groove and the bearing 44 to improve the sealing effect, achieve water-proof performance, and prevent water from entering the shaft sleeve member 43 from the connection shaft 32.

In addition, one end of the shaft sleeve 43 close to the driving assembly 41 is provided with a clamping groove 433, the driving assembly 41 is provided with a positioning portion 411 suitable for being matched with the clamping groove 433, and the positioning portion 411 is rotationally clamped with the clamping groove 433, so that the shaft sleeve 43 and the driving assembly 41 are locked or unlocked mutually, the shaft sleeve 43 is convenient to rapidly assemble and disassemble, and meanwhile, the connection reliability of the shaft sleeve 43 and the driving assembly 41 is guaranteed. The quantity of this embodiment draw-in groove 433 is two, and two draw-in grooves 433 mutual disposition, it is corresponding, and the quantity of location portion 411 also is two, cooperates with two location portions 411 respectively through two draw-in grooves 433, ensures that axle external member 43 is more firm reliable with being connected of drive assembly 41, can play simultaneously and prevent slow-witted effect.

Preferably, in order to prevent water leakage from the connection between the shaft sleeve 43 and the driving assembly 41, a sealing structure may be disposed at the connection between the shaft sleeve 43 and the driving assembly 41 to improve the waterproof effect and prevent water from entering the shaft sleeve 43 from the connection between the shaft sleeve 43 and the driving assembly 41.

As shown in fig. 1-2 and 7, further, the filter screen assembly further comprises a filter screen 6, the filter screen 6 is sleeved on the outer surface of the shaft sleeve 43 and is embedded into the embedded hole 14, and the notch 21 is clamped on the outer surface of the filter screen 6, so that the filter screen 6 can cover the notch 21 of the filter cup assembly 2, and the filter screen 6 is matched with the filter cup assembly 2 to play a role of separating the water collecting cavity 11 area, thereby ensuring that the residue in the filter cup assembly 2 cannot flow out of the filter cup assembly 2 through the notch 21, ensuring that the water in the area outside the filter cup assembly 2 has no residue, and improving the residue filtering effect. In addition, because the notch 21 of the filter bowl assembly 2 is designed to be clamped on the outer surface of the filter screen 6, the filter screen 6 is stably and reliably arranged at the notch 21 under the condition that the filter bowl assembly 2 is not influenced to be rapidly assembled and disassembled easily.

Preferably, the filter bowl assembly 2 is further provided with a flange 22 extending outwards at the edge of the notch 21, and the flange 22 is integrally formed with the edge of the notch 21 to enhance the strength of the notch 21, and meanwhile, the contact area between the filter bowl assembly 2 and the filter screen 6 is increased, and the pressing effect of the filter bowl assembly 2 on the filter screen 6 is improved. The water cup 1 is further provided with an embedded hole 14 located between the mounting hole 12 and the water collecting cavity 11, the mounting hole 12 is communicated with the water collecting cavity 11 through the embedded hole 14, and one side, far away from the filter cup assembly 2, of the filter screen 6 is inserted into the embedded hole 14, so that the assembly of the filter screen 6 can be limited through the embedded hole 14, and the filter screen 6 is further prevented from shifting.

In this embodiment, the strainer 6 is composed of a strainer surface 61, a through hole 62 and a side surface 62, wherein the shape of the strainer surface 61 is adapted to the shape of the notch 21 and can cover the notch 21, and a plurality of strainer holes 611 are formed on the strainer surface 61 to allow water to pass through and prevent residue from passing through. The through hole 62 is transversely arranged and used for the shaft sleeve member 43 to transversely pass through, one end of the through hole penetrates through the center of the filtering surface 61 and is integrally formed with the filtering surface 61, and the other end of the through hole extends towards the mounting hole 12, so that the strength and the length of the through hole 62 are improved. The shape of side 62 also with the shape looks adaptation of breach 21 to side 62 is close to one side of filter bowl subassembly 2 and the edge integrated into one piece of filter surface 61, and the opposite side extends towards mounting hole 12 direction, through setting up side 62, does benefit to the intensity that improves filter surface 61, can increase the area of contact between filter bowl subassembly 2 and the filter screen 6 simultaneously, ensures that filter bowl subassembly 2 can reliably press filter screen 6.

Preferably, the side surface 62 has a shape of an arch, and a plurality of water ports 631 are formed at an arc-shaped section of the side surface 62 to allow water to pass therethrough. And two vertical sections of the side surface 62 are respectively provided with a water outlet 632, and the water outlet 632 is communicated with the inside and the outside of the side surface 62, so that the water flow in the filter screen 6 can be discharged to the outside of the filter screen 6 through the water outlet 632, and the water is prevented from remaining in the filter screen 6.

The embodiment also provides a dishwasher, which has the residue processing structure, thus, the residue processing structure is arranged on the dishwasher, the dishwasher has a residue crushing function, and meanwhile, the residue processing structure occupies small space and is beneficial to reducing the volume of the dishwasher. In addition, through the two sets of cutter sets 31 arranged up and down, the residue can be crushed for a plurality of times, and the residue can be effectively prevented from blocking the drain hole 16 during drainage.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (10)

1. A residue handling structure, comprising:

the water cup comprises a water cup (1), wherein the water cup (1) is provided with a water collecting cavity (11) with an upward opening, and the side wall of the water cup (1) is provided with a mounting hole (12) communicated with the water collecting cavity (11);

the bottom of the filter cup assembly (2) is opened, the filter cup assembly (2) is detachably mounted in the water collecting cavity (11), a notch (21) is formed in the lower end of the side wall of the filter cup assembly (2), and the notch (21) is arranged corresponding to the mounting hole (12);

the slag crushing component (3), the slag crushing component (3) is rotatably arranged in the filter cup component (2);

the driving mechanism (4), the driving mechanism (4) includes drive assembly (41) and transversely arranged axle subassembly (42), drive assembly (41) transversely assemble in mounting hole (12) department, axle subassembly (42) one end is connected the output of drive assembly (41), and the other end transversely wears to locate breach (21) and with disintegrating slag subassembly (3) are connected.

2. A residue treatment structure according to claim 1, further comprising a transmission assembly (5), wherein the slag crushing assembly (3) comprises two cutter sets (31) and two connecting shafts (32), the two cutter sets (31) are oppositely arranged, one end of each connecting shaft (32) is connected with the corresponding cutter set (31), and the other end is in transmission connection with the shaft assembly (42) through the transmission assembly (5).

3. A residue handling arrangement according to claim 2, wherein two of said knife groups (31) are arranged on the upper and lower outer sides of said drive assembly (5).

4. A residues disposal structure according to claim 2 or 3, wherein said transmission assembly (5) comprises a main bevel (51) and two secondary bevel (52), said main bevel (51) being fixedly arranged at an end of said shaft assembly (42) remote from said driving assembly (41), said two secondary bevel (52) being oppositely arranged, each secondary bevel (52) being fixedly arranged on a corresponding connecting shaft (32) and engaging with said main bevel (51).

5. A residue disposal structure according to claim 2, wherein the driving mechanism (4) further comprises a shaft assembly (43), the shaft assembly (43) is sleeved on the outer surfaces of the transmission assembly (5) and the shaft assembly (42), one end of the shaft assembly (43) is detachably connected with the driving assembly (41), and the other end is provided with a through hole (431) at a position corresponding to the connecting shaft (32); the connecting shaft (32) penetrates through the through hole (431), one end of the connecting shaft is connected with the transmission assembly (5), and the other end of the connecting shaft is connected with the corresponding cutter set (31).

6. A residue handling structure according to claim 5, wherein the driving mechanism (4) further comprises two bearings (44), each through hole (431) is provided with a mounting groove near one end of the transmission assembly (5), the mounting groove is coaxially arranged with the through hole (431), and the bearings (44) are sleeved on the outer surface of the connecting shaft (32) and embedded in the mounting grooves.

7. The residue treatment structure according to claim 5 or 6, wherein one end of the shaft sleeve (43) close to the driving component (41) is provided with a clamping groove (433), the driving component (41) is provided with a positioning part (411) matched with the clamping groove (433), and the positioning part (411) is rotationally clamped with the clamping groove (433); and/or a sealing structure is arranged at the connection part of the shaft sleeve (43) and the driving assembly (41).

8. A residue disposal structure according to claim 1, wherein the opposite side walls of the driving unit (41) are provided with outwardly protruding extensions (412), the outer side wall of the cup (1) is provided with a boss (13) at a position corresponding to the extensions (412), and the extensions (412) and the boss (13) are detachably connected through a connecting member.

9. A residue handling arrangement according to claim 1, further comprising a screen (6), wherein the screen (6) is fitted over the outer surface of the shaft assembly (42) and inserted into the notch (21), and wherein the notch (21) is engaged with the outer surface of the screen (6).

10. A dishwasher, characterized in that it has a residue-treating structure as claimed in any one of claims 1 to 9.

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