A dishwasher

Abstract

The application discloses a kind of dishwashers.The application provides a kind of dishwashers, including door shell and the decorative shell installed in the bottom of door shell, there is a gap for the rotation opening and closing of door shell between door shell and decorative shell, sound insulation structure is provided on decorative shell, which can be filled in the gap, sound insulation structure can seal the gap between door shell and decorative shell, can reduce part of noise to spread outward, reduce the noise of the dishwasher.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of dishwashers, and particularly relates to a dishwasher. BACKGROUND

[0002] A dishwasher is a household appliance for automatically washing tableware, and with the continuous improvement of people's living standards, the dishwasher is applied more and more widely. In order to ensure the market competitiveness of the dishwasher, relevant technical personnel are researching how to continuously improve the comprehensive performance of the dishwasher. Generally, the dishwasher comprises a washing tank, a dish rack arranged in the washing tank, a sprayer for spraying washing water to the dishes placed on the dish rack, a sump for providing the washing water to the sprayer, a washing pump, and a washing motor. The washing pump injects the washing water in the sump into the sprayer, and the washing water is sprayed from the sprayer at high pressure to impact on the surface of the dishes placed on the dish rack. Therefore, the dishes can be washed without any remaining food on the dishes by the pressure of the washing water impacting on the surface of the dishes.

[0003] For a standalone dishwasher, the washing pump and the sprayer of the dishwasher are arranged below the whole machine, which is the main place for generating noise of the dishwasher. Therefore, it is necessary to minimize the outward propagation of the noise generated by the washing pump and the sprayer. The washing tank has a door shell and a decorative strip installed at the bottom of the door shell. Since the door shell needs to move relative to the decorative strip, there is a large design gap between the door shell and the decorative strip, and this gap causes the noise generated by the washing pump and the sprayer to propagate outward.

[0004] In view of this, the present application is proposed. SUMMARY

[0005] The present application aims to overcome the problem of large noise of the dishwasher in the prior art, and provides a sound insulation structure and a dishwasher decorative strip assembly.

[0006] To solve the above technical problems, the basic idea of the technical solution of the present application is as follows:

[0007] In one aspect of the present application, a dishwasher is provided, which comprises a door shell and a decorative shell installed at the bottom of the door shell. A gap is left between the door shell and the decorative shell for the rotation opening and closing of the door shell. The decorative shell is provided with a sound insulation structure which can be filled in the gap.

[0008] Further, the sound insulation structure comprises a fixing unit fixed to the decorative plate, and a sound insulation unit extending upward from the fixing unit and filled in the gap.

[0009] Further, the fixing unit comprises a strip-shaped fixing part, and one side of the fixing part is provided with a mounting part fixed to the decorative shell.

[0010] Further, the mounting portion comprises a positioning protrusion protruding from one side of the fixing portion, and the decorative shell bottom wall is provided with a positioning groove opening upward and matched with the positioning protrusion; the positioning protrusion is inserted into the positioning groove.

[0011] Further, the fixing portion is provided with a plurality of positioning protrusions protruding from one side along the length direction of the fixing portion.

[0012] Preferably, the positioning protrusion is in the shape of an inverted trapezoid.

[0013] Further, the fixing portion is further provided with a first protrusion protruding from one side, and the positioning protrusion is formed on the bottom wall of the first protrusion; the first protrusion abuts against the decorative shell bottom wall between two adjacent positioning grooves.

[0014] Further, the decorative shell bottom wall is provided with a second protrusion protruding into the decorative shell, and the positioning groove is arranged on the second protrusion.

[0015] Further, the bottom of the fixing portion is provided with an auxiliary mounting portion fixed to the decorative shell body and used for assisting the mounting portion to be fixed.

[0016] Further, the auxiliary mounting portion comprises a hook-shaped portion protruding downward from the bottom of the fixing portion, the second protrusion is provided with a through hole allowing the hook-shaped portion to pass through, and the hook tip of the hook-shaped portion is hooked on the decorative shell bottom wall at the bottom edge of the through hole.

[0017] The bottom of the fixing portion is provided with a plurality of hook-shaped portions protruding downward, and the plurality of hook-shaped portions are arranged along the length direction of the fixing portion.

[0018] Further, the top of the fixing portion is curved and extended upward to form the sound insulation unit.

[0019] Preferably, the sound insulation unit comprises a first sound insulation portion curved and extended upward and inward from the top of the fixing portion, and a second sound insulation portion curved and extended upward and outward from the top of the first sound insulation portion; the first sound insulation portion is filled in the gap, and part of the second sound insulation portion is exposed outside the gap.

[0020] Compared with the prior art, the present application has the following beneficial effects.

[0021] 1. The dishwasher provided by the present application comprises a door shell and a decorative shell mounted at the bottom of the door shell, a gap is left between the door shell and the decorative shell for the door shell to rotate to open and close, the decorative shell is provided with a sound insulation structure that can be filled in the gap, the sound insulation structure is filled in the gap between the decorative shell and the door shell, the sound insulation structure is sealed in the gap between the decorative shell and the door shell, part of the noise can be reduced to propagate outward, and the noise of the dishwasher is reduced.

[0022] 2. The dishwasher provided by the present application, the sound insulation structure comprises a fixing unit fixed on the decorative plate, and a sound insulation unit extending upward from the fixing unit and filled in the gap, the fixing unit is used for fixing the sound insulation structure on the decorative shell, and the sound insulation unit is used for filling in the gap between the door shell and the decorative shell.

[0023] 3. The dishwasher provided by the present application, the fixing part is provided with a mounting part, the mounting part comprises a positioning protrusion protruding to one side of the fixing part, and the bottom wall of the decorative shell is provided with a positioning groove opening upward and matched with the positioning protrusion; the positioning protrusion is inserted into the positioning groove, and the fixing part is fixed on the decorative shell through the insertion connection of the positioning protrusion and the positioning groove, so that the sound insulation unit is fixed on the decorative shell.

[0024] 4. The dishwasher provided by the present application, the fixing part is provided with an auxiliary mounting part, the auxiliary positioning structure comprises a plurality of hook-shaped parts, the second protrusion is provided with a through hole allowing the hook-shaped parts to pass through, and the hook-shaped parts are hooked on the bottom wall of the decorative shell located at the edge of the bottom of the through hole.

[0025] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0026] The drawings are part of the present application, which are used to provide further understanding of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, but do not constitute improper limitation on the present application. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings:

[0027] Figure 1 is a structural schematic view of the dishwasher provided by the embodiment of the present application;

[0028] Figure 2 is a structural schematic view of the sound insulation structure provided by the embodiment of the present application;

[0029] Figure 3 is a structural schematic view of the trim assembly of the dishwasher provided by the embodiment of the present application;

[0030] Figure 4 is Figure 3 is an enlarged view at A;

[0031] Figure 5 is a structural schematic view of the trim shell in the trim assembly of the dishwasher provided by the embodiment of the present application;

[0032] Figure 6 is a structural schematic view of the trim shell in the trim assembly of the dishwasher provided by the embodiment of the present application;

[0033] Figure 7It is a structural schematic diagram of the dishwasher provided by the embodiment of the present application.

[0034] In the figure: 1 - sound insulation structure; 11 - fixed unit; 111 - fixed part; 12 - sound insulation unit; 121 - first sound insulation part; 122 - second sound insulation part; 2 - mounting part; 21 - positioning protrusion; 3 - auxiliary mounting part; 31 - hook part; 4 - decorative shell; 41 - decorative shell bottom wall; 42 - decorative shell front wall; 5 - positioning groove; 6 - first protrusion; 7 - second protrusion; 71 - through hole; 8 - door shell.

[0035] It should be noted that these drawings and written descriptions are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.

[0037] In the description of the present application, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0038] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] EMBODIMENT

[0040] As Figure 1 shown, according to one aspect of the present application, a dishwasher is provided, comprising a door shell 8 and a decorative shell 4 mounted at the bottom of the door shell 8, a gap for the rotation opening and closing of the door shell 8 is left between the door shell 8 and the decorative shell 4, and the decorative shell 4 is provided with a sound insulation structure 1 which can be filled in the gap.

[0041] The sound insulation structure 1 is filled in the gap between the decorative shell 4 and the door shell 8, and is sealed in the gap between the decorative shell 4 and the door shell 8, so that part of the noise can be reduced to be transmitted to the outside, and the noise of the dishwasher is reduced.

[0042] It should be noted that the inward, outward, upward and downward in this article are consistent with the inside and outside and up and down of the dishwasher in which the sound insulation structure 1 is installed.

[0043] As shown in the drawings, Figure 2 In the embodiment of the present application, the sound insulation structure 1 comprises a fixing unit 11 fixed on the decorative plate, and a sound insulation unit 12 extending upward from the fixing unit 11 and filled in the gap.

[0044] In the embodiment of the present application, the sound insulation structure 1 comprises two fixing units 11 and two parts of the sound insulation unit 12, wherein the fixing unit 11 is used to fix the sound insulation structure 1 on the decorative shell 4, and the sound insulation unit 12 is used to fill in the gap between the door shell 8 and the decorative shell 4.

[0045] In the embodiment of the present application, the fixing unit 11 comprises a strip-shaped fixing part 111, and one side of the fixing part 111 is provided with a mounting part 22 fixed on the decorative shell 4.

[0046] In the embodiment of the present application, the fixing part 111 can be fixed on the decorative shell 4 through the mounting part 22, so as to fix the sound insulation unit 12 on the decorative shell 4. Any mounting part 22 capable of fixing the sound insulation unit 12 on the decorative shell 4 can be used as the mounting part 22 in the embodiment.

[0047] As shown in the drawings, Figure 2 , Figure 3 and Figure 4 In the embodiment of the present application, the mounting part 22 comprises a positioning protrusion 21 protruding from one side of the fixing part 111, and the decorative shell bottom wall 41 is provided with a positioning groove 5 opening upward and matched with the positioning protrusion 21; the positioning protrusion 21 is inserted into the positioning groove 5.

[0048] In the embodiment of the present application, the mounting part 22 comprises the positioning protrusion 21, the decorative shell bottom wall 41 is provided with the positioning groove 5, and the positioning protrusion 21 and the positioning groove 5 are connected by insertion, so as to fix the fixing part 111 on the decorative shell 4, thereby fixing the sound insulation unit on the decorative shell 4.

[0049] The fixed part 111 protrudes to one side and is provided with a plurality of positioning protrusions 21. The plurality of positioning protrusions 21 are distributed along the length direction of the fixed part 111. The plurality of positioning protrusions 21 can enhance the fixing strength of the fixed part 111 on the decorative shell 4. As a preferred mode, the plurality of positioning protrusions 21 are uniformly distributed along the length direction of the fixed part 111, so as to uniformly distribute the fixing strength and avoid the fixed part 111 from shaking on the decorative shell 4.

[0050] As shown in Figure 2 , Figure 3 and Figure 4 , as a preferred embodiment of the present application, the positioning protrusion 21 is in the shape of an inverted trapezoid.

[0051] In the embodiment of the present application, the positioning protrusion 21 is in the shape of an inverted trapezoid. The long bottom edge of the positioning protrusion 21 is formed on the fixed part 111. The long bottom edge of the positioning protrusion 21 can increase the contact area of the positioning protrusion 21 and the fixed part 111, thereby increasing the firmness of the positioning protrusion 21 on the fixed part 111 and further increasing the fixing strength of the positioning protrusion 21 on the fixed part 111. The inclined edge of the positioning protrusion 21 increases the positioning direction of the positioning protrusion 21, which involves the horizontal and vertical directions, thereby increasing the positioning strength of the positioning protrusion 21.

[0052] The positioning protrusion 21 is provided with a cavity in the shape of an inverted trapezoid, which is beneficial to reduce the weight of the fixed part 111. It should be noted that, since the positioning protrusion 21 is in the shape of an inverted trapezoid on the fixed part 111, the positioning groove 5 on the bottom wall 41 of the decorative shell is also in the shape of an inverted trapezoid to better match the positioning protrusion 21.

[0053] As shown in Figure 2 , in the embodiment of the present application, the fixed part 111 further protrudes to one side and is provided with a first protrusion 6. The positioning protrusion 21 is formed on the bottom wall of the first protrusion 6. The first protrusion 6 abuts against the bottom wall 41 of the decorative shell between the adjacent two positioning grooves 5.

[0054] In the embodiment of the present application, the first protrusion 6 extends along the length direction of the fixed part 111. The first protrusion 6 is a quadrangular prism. The first protrusion 6 extends to the left and right edges of the fixed part 111 along the length direction of the fixed part 111, thereby increasing the length of the first protrusion 6. Since the first protrusion 6 abuts against the bottom wall 41 of the decorative shell between the adjacent two positioning grooves 5, the first protrusion 6 can assist the positioning of the positioning protrusion 21 and increase the fixing strength of the positioning protrusion 21 on the fixed part 111.

[0055] Several positioning protrusions 21 are arranged and distributed on the bottom wall of the first protrusion 6 to distribute the fixing strength evenly and prevent the fixing part 111 from shaking on the decorative shell 4; several positioning protrusions 21 are arranged and distributed on the first protrusion 6 and distributed to the left and right edges of the first protrusion 6, with the first and last positioning protrusions 21 being a certain distance from the edge.

[0056] The long bottom edge of the positioning protrusion 21 is formed on the bottom wall of the first protrusion 6. The long bottom edge of the positioning protrusion 21 can increase the contact area between the positioning protrusion 21 and the first protrusion 6, thereby increasing the firmness of the positioning protrusion 21 on the fixing part 111.

[0057] like Figure 5 , Figure 6 as well as Figure 7 As shown, in an embodiment of the present invention, a second protrusion 7 protruding into the decorative shell 4 is provided on the bottom wall 41 of the decorative shell, and a positioning groove 5 is provided on the second protrusion 7.

[0058] In an embodiment of the present invention, a second protrusion 7 protruding into the decorative shell 4 is provided on the bottom wall 41 of the decorative shell, and a first protrusion 6 abuts against the top surface of the second protrusion 7 to enhance the positioning insertion of the positioning protrusion 21 and the positioning groove 5.

[0059] Since the first protrusion 6 extends along the length direction to the edge of the fixing part 111, the second protrusion 7 also extends along the length direction to the edge of the bottom wall 41 of the decorative shell, resulting in a large overlap area between the first protrusion 6 and the second protrusion 7, thereby increasing the fixing strength of the positioning protrusion 21 to the fixing part 111.

[0060] In addition, the lower half of the rear wall of the second protrusion 7 is provided with several reinforcing plates. The several reinforcing plates are arranged along the length of the bottom wall 41 of the decorative shell. The reinforcing plates are in the shape of right angle triangles. The two right angle sides of the reinforcing plates are respectively in contact with the rear wall of the second protrusion 7 and the fixing part 111 to increase the support strength of the second protrusion.

[0061] The second protrusion 7 includes a protrusion body and a protruding edge that protrudes upward from the edge of the protrusion body. There is a certain distance between the protruding edge and the front wall 42 of the decorative shell. The positioning groove 5 is formed on the protruding edge and the protruding body. The part between two adjacent positioning grooves 5 is the part of the protruding edge. The part between two adjacent positioning protrusions 21 is the part of the first protrusion 6 that abuts against the protruding edge between two adjacent positioning grooves 5.

[0062] In an embodiment of the present invention, the bottom of the fixing part 111 is provided with an auxiliary mounting part 322 that is fixed to the decorative shell 4 and is used to assist the fixing of the mounting part 322.

[0063] The auxiliary mounting portion 322 in the embodiment of the present application assists the mounting portion 22 in fixing the fixing portion 111 to the decorative shell 4. Any auxiliary mounting portion 322 that can assist the mounting portion 22 in fixing the fixing portion 111 to the decorative shell 4 can be used as the auxiliary mounting portion 322 in the embodiment of the present application.

[0064] As shown in Figure 2 , Figure 6 and Figure 7 , the auxiliary mounting portion 322 in the embodiment of the present application includes a hook-shaped portion 31 formed by the downward protrusion of the bottom of the fixing portion 111. The second protrusion 7 is provided with a through hole 71 allowing the hook-shaped portion 31 to pass through. The hook tip of the hook-shaped portion 31 is hooked to the bottom wall 4 of the decorative shell at the edge of the bottom of the through hole 71.

[0065] The bottom of the fixing portion 111 is provided with a plurality of hook-shaped portions 31. The plurality of hook-shaped portions 31 are distributed along the length direction of the fixing portion 111.

[0066] The auxiliary mounting portion 322 in the embodiment of the present application includes a plurality of hook-shaped portions 31. The hook-shaped portion 31 includes a hook handle and a hook tip. The fixing portion 111 is downwardly protruded to form the hook handle of the hook-shaped portion 31. The hook tip of the hook-shaped portion 31 is linearly or curvedly extended backward on the hook handle. The hook tip of the hook-shaped portion 31 is hooked to the decorative shell 4 when the positioning protrusion 21 is positioned.

[0067] Between the protruding edge and the front wall 42 of the decorative shell, the second protrusion 7 is provided with a through hole 71. The through hole 71 penetrates the second protrusion 7 from top to bottom. The hook tip of the hook-shaped portion 31 is hooked to the decorative shell 4 at the edge of the bottom of the through hole 71. The abutting strength between the first protrusion 6 and the second protrusion 7 and the insertion strength between the positioning protrusion 21 and the positioning groove 5 can be enhanced.

[0068] The top of the fixing portion 111 is upwardly curvedly extended to form the sound insulation unit 12 in the embodiment of the present application.

[0069] The sound insulation unit 12 is curvedly arranged in the embodiment of the present application. The sound insulation space can be expanded. The noise can be retained in the sound insulation portion for a longer time. The sound insulation effect of the sound insulation portion can be increased.

[0070] As shown in Figure 2 , as a preferred embodiment of the present application, the sound insulation unit 12 includes a first sound insulation portion 121 curvedly extended upwardly and inwardly from the top of the fixing portion 111 and a second sound insulation portion 122 curvedly extended upwardly and outwardly from the top of the first sound insulation portion 121. The first sound insulation portion 121 is filled in the gap. Part of the second sound insulation portion 122 is exposed outside the gap.

[0071] In the embodiment of the present application, for the sound insulation unit 12, the sound insulation unit 12 comprises a first sound insulation part 121 and a second sound insulation part 122, the first sound insulation part 121 is located between the fixed part 111 and the second sound insulation part 122, the fixed part 111 is used to fix the first sound insulation part 121 and the second sound insulation part 122 on the decorative shell 4, the second sound insulation part 122 and part of the first sound insulation part 121 fill the gap between the door shell 8 and the decorative shell 4, the first sound insulation part 121 and the second sound insulation part 122 are extruded and deformed, used for sealing sound insulation, the first sound insulation part 121 can also be used to buffer the extrusion force between the first sound insulation part 121, the second sound insulation part 122 and the fixed part 111, avoid the connection between the fixed part 111 and the first sound insulation part 121 from cracking, improve the service life of the sound insulation structure 1; and the first sound insulation part 121 bends inward, increases the buffering direction and the sound insulation direction of the first sound insulation part 121, the buffering direction and the sound insulation direction involve horizontal and vertical directions, expands the sound insulation space, thereby increasing the buffering capacity and the sound insulation capacity of the first sound insulation part 121, and the second sound insulation part 122 bends outward, increases the sound insulation direction of the second sound insulation part 122, the sound insulation direction involves horizontal and vertical directions, expands the sound insulation space, can make the noise remain in the second sound insulation part 122 for a longer time, thereby increasing the sound insulation effect of the second sound insulation part 122;

[0072] It should be noted that the hardness of the sound insulation unit 12 and the fixed unit 11 is different, which can enhance the flexibility of the sound insulation unit 12 and the fixing strength of the fixed unit 11; the fixed part 111 and the first sound insulation part 121 are smoothly transitioned, and the first sound insulation part 121 and the second sound insulation part 122 are smoothly transitioned;

[0073] It should be noted that the fixed part 111 and the first sound insulation part 121 are smoothly transitioned, the part of the smooth transition protrudes forward relative to the fixed part 111 to form a reinforcing rib, which can enhance the connection strength between the fixed part 111 and the first sound insulation part 121, and can reduce the damage of the sound insulation structure 1 when the first sound insulation part 121 and the second sound insulation part 122 are extruded and deformed;

[0074] The sound insulation unit 12 is fixed on the decorative shell 4 through the fixed part 111, part of the sound insulation unit 12 is exposed on the top of the decorative shell 4 when the sound insulation unit 12 is fixed, and the sound insulation unit 12 exposed on the decorative shell 4 fills the gap between the door shell 8 and the decorative shell 4;

[0075] In addition, the fixed part 111, the first sound insulation part 121 and the second sound insulation part 122 extend to the edge of the decorative shell 4 along the length direction of the fixed part 111, increase the sound insulation length of the sound insulation structure 1 on the decorative shell 4, thereby increasing the sound insulation effect.

[0076] The mounting process of the sound insulation structure on the decorative shell 4 is as follows: the sound insulation structure 1 comprises the sound insulation unit 11 and the fixing unit 12, the positioning protrusions 21 on the fixing unit 11 are aligned with the positioning grooves 5, the positioning protrusions 21 gradually approach the positioning grooves 5 from top to bottom, and the first protrusions 6 between the adjacent two positioning protrusions 21 gradually approach the second protrusions 7 between the adjacent two positioning grooves 5 from top to bottom, at the same time, the hook-shaped parts 31 on the fixing unit 11 pass through the through holes 71 from top to bottom, the positioning protrusions 21 are inserted into the positioning grooves 5, and the first protrusions 6 between the adjacent two positioning protrusions 21 abut on the second protrusions 7 between the two positioning grooves 5, at the same time, the hook-shaped parts 31 are hooked on the decorative bottom wall 41 at the bottom edge of the through holes 71, so that the fixing unit 11 is fixedly mounted.

[0077] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with the preferred embodiment, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and any simple modification, equivalent change and modification of the above-mentioned embodiment according to the technical essence of the present application still belong to the scope of the present application.

Claims

1. A dishwasher comprising a door case and a decorative case installed at the bottom of the door case, a gap being left between the door case and the decorative case for the rotation of the door case to open and close, characterized in that, The sound insulation structure is filled in the gap. The sound insulation structure comprises a fixed part. The fixed part is provided with a mounting part fixed on the decorative shell. The mounting part comprises positioning protrusions protruding from one side of the fixed part, and the positioning protrusions are in inverted trapezoidal shape. The bottom wall of the decorative shell is provided with positioning grooves opening upward and matched with the positioning protrusions. The positioning protrusions are inserted into the positioning grooves.

2. The dishwasher according to claim 1, characterized in that The sound insulation structure further comprises sound insulation units extending upward from the fixed part and filled in the gap.

3. The warewash machine of claim 2, wherein, The fixed part is in strip shape.

4. The warewashing machine of claim 1, wherein, The fixed part is provided with a plurality of positioning protrusions protruding from one side of the fixed part, and the positioning protrusions are distributed along the length direction of the fixed part.

5. The warewash machine of claim 4, wherein, The fixed part is further provided with a first protrusion, and the positioning protrusions are formed on the bottom wall of the first protrusion.

6. The dishwasher according to any one of claims 1 to 5, characterized in that The bottom wall of the decorative shell is provided with a second protrusion protruding into the decorative shell, and the positioning grooves are arranged on the second protrusion.

7. The warewash machine of claim 6, wherein, The bottom of the fixed part is provided with an auxiliary mounting part fixed on the decorative shell body and used for assisting the mounting part to be fixed. 8.The dish washer of claim 7, wherein The auxiliary mounting part comprises hook-shaped parts protruding downward from the bottom of the fixed part, and the second protrusion is provided with through holes allowing the hook-shaped parts to pass through. The hook-shaped parts are arranged on the bottom wall of the decorative shell located at the edge of the bottom of the through holes.

9. The warewash machine of claim 2 or 3 wherein, The top of the fixed part is curved and extended upward to form the sound insulation units. 10.The dish washer of claim 9, wherein The sound insulation units comprise first sound insulation parts curved and extended upward and inward from the top of the fixed part, and second sound insulation parts curved and extended upward and outward from the top of the first sound insulation parts. The first sound insulation parts are filled in the gap, and part of the second sound insulation parts are exposed outside the gap.

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