Packaging structure and household appliance

Abstract

The utility model relates to a packaging structure and a household electrical appliance, the packaging structure comprises an upper foam piece, a lower foam piece and a protective vertical part, an upper mounting cavity is formed in the upper foam piece, and an upper protective corner extending downwards is formed at the corner part of the upper foam piece; a lower mounting cavity is formed in the lower foam piece, and lower angle beads extending towards the upper foam piece are formed at the corners of the lower foam piece; the household appliance is arranged between the upper mounting cavity and the lower mounting cavity; the protection vertical part is connected between the upper protection corner and the lower protection corner which are oppositely arranged, and the protection vertical part is at least arranged on one side of a door body of the household appliance and used for limiting and protecting the door body; wherein an upper limiting part is formed on the upper foam piece, a lower limiting part is formed on the lower foam piece, and a supporting vertical part is arranged between the upper limiting part and the lower limiting part; the supporting vertical part supports the upper foam part and the lower foam part, downward movement deformation of the upper foam part after the top receives pressure is reduced, transmission of acting force on the household appliance is reduced, and the protection effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electrical equipment packaging, especially relates to a packaging structure and household electrical appliance. BACKGROUND

[0002] In order to avoid damage during transportation, household electrical appliances such as disinfection cabinets are generally provided with packaging structures such as corrugated boxes and foam boxes outside. The existing packaging structure mainly protects the upper and lower ends of the household electrical appliance. During actual transportation, the household electrical appliances are stacked with each other, and the foam top plate and bottom plate are insufficient in supporting and protecting the household electrical appliance after being pressed during the transportation, causing the household electrical appliance to be damaged due to pressure. SUMMARY

[0003] The utility model discloses a packaging structure and household electrical appliance, which solve the problems of insufficient supporting strength of the existing packaging structure, insufficient support during transportation and damage of the household electrical appliance due to pressure.

[0004] To achieve the above-mentioned utility model purposes, the utility model adopts the following technical solutions:

[0005] In one aspect, the utility model provides a packaging structure, which comprises:

[0006] An upper foam piece is formed with an upper mounting cavity with an opening facing downward, and the corner of the upper foam piece is formed with an upper corner guard extending downward;

[0007] A lower foam piece is formed with a lower mounting cavity with an opening facing upward, and the corner of the lower foam piece is formed with a lower corner guard extending toward the upper foam piece; the household electrical appliance is arranged between the upper mounting cavity and the lower mounting cavity;

[0008] A protective vertical part is connected between the oppositely arranged upper corner guard and lower corner guard, and is arranged at least on one side of the door body of the household electrical appliance to limit and protect the door body;

[0009] Wherein, the upper foam piece is formed with an upper limiting part, the lower foam piece is formed with a lower limiting part, and a supporting vertical part is arranged between the upper limiting part and the lower limiting part.

[0010] In some embodiments of the present application, the upper foam piece is formed with a plurality of upper through parts, the lower foam piece is formed with a plurality of lower through parts, and the upper through parts and the lower through parts are arranged in an array.

[0011] The upper through parts and the lower through parts are beneficial to reducing the weight and material consumption of the entire packaging structure, and can also meet the stepping requirement and avoid the extrusion of the household electrical appliance caused by the concentrated force.

[0012] In some embodiments of the present application, the upper limiting part is a groove formed on the outer wall of the upper foam piece, the lower limiting part is a groove formed on the lower foam piece, the upper limiting part is located directly above the lower limiting part, and the two ends of the support stand are connected to the upper limiting part and the lower limiting part respectively.

[0013] In some embodiments of the present application, the support stand is a wooden strip, which can provide support for the upper foam box and the lower foam on one hand, prevent extrusion, and on the other hand, is also conducive to the installation of the protection stand, avoiding the protection stand from falling off when the upper foam piece or the lower foam piece is deformed too much.

[0014] In some embodiments of the present application, the lower surface of the upper foam piece in contact with the household appliance is formed with an upper positioning groove part, the upper surface of the lower foam piece in contact with the household appliance is formed with a lower positioning groove part, the upper positioning groove part and the lower positioning groove part correspond to the position of the door body of the household appliance, and the upper and lower ends of the door body are connected to the upper positioning groove part and the lower positioning groove part respectively.

[0015] In some embodiments of the present application, the side wall of the upper foam piece is further formed with an upper recess, and / or

[0016] the side wall of the lower foam piece is further formed with a lower recess;

[0017] The upper recess and the lower recess are used to reduce the weight of the upper foam piece and the lower foam piece, and can disperse the pressure to avoid the pressure acting directly on the household appliance.

[0018] On the other hand, the present application also proposes a household appliance protected by any of the above-mentioned protection structures.

[0019] In some embodiments of the present application, the bottom of the household appliance is further provided with a supporting leg part, and at least the lower foam piece is formed with a avoiding part corresponding to the position of each supporting leg part.

[0020] The supporting leg part can provide support when the household appliance is used, the avoiding part on the lower foam piece can provide avoiding space for the supporting leg part, meet the avoiding requirement, avoid the interference between the supporting leg part and the lower foam piece, release the stress of the supporting leg part, and solve the deformation of the lower foam piece caused by the extrusion of the supporting leg part during transportation.

[0021] In some embodiments of the present application, the bottom of the lower mounting cavity is provided with a supporting rib, and the height difference between the avoiding part and the supporting rib ranges from 30mm to 50mm.

[0022] The supporting rib is used to support the bottom of the household appliance and provide main support for the household appliance.

[0023] In some embodiments of the present application, the gap between the foot portion and the bottom of the avoiding portion ranges from 2mm to 4mm.

[0024] The gap between the foot portion and the bottom of the avoiding portion serves as a buffer.

[0025] In some embodiments of the present application, the foot portion is arranged at the bottom of the household appliance, the foot portion comprises a foot support frame and an adjusting foot, the foot support frame is fixed at the bottom of the household appliance, a supporting surface is formed on the foot support frame, and the adjusting foot is threadedly connected to the supporting surface of the foot support frame.

[0026] The foot support frame serves as a connecting and fixing base of the adjusting foot, and the adjusting foot is threadedly connected to the supporting surface of the foot support frame, so that the supporting height is conveniently adjusted to adapt to the installation requirements of the user on the household appliance.

[0027] Compared with the prior art, the present application has the following advantages and positive effects:

[0028] The packaging structure disclosed by the present application further comprises a supporting stand portion connected to the upper limiting portion and the lower limiting portion, and the supporting stand portion supports the upper foam member and the lower foam member, reduces the downward deformation of the upper foam member after receiving pressure at the top, reduces the transmission of the acting force on the household appliance, and improves the protection effect.

[0029] For the household appliance provided with the foot portion at the bottom, the packaging structure disclosed by the present application further comprises an avoiding portion, so that the foot portion is connected to the bottom of the household appliance in advance, the working hours of on-site installation are reduced, and the problems of missing parts and the like during the transportation of the foot portion as a spare part are avoided.

[0030] Other features and advantages of the present application will become more apparent after reading the specific embodiments of the present application in combination with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative labor under the premise of the drawings.

[0032] Figure 1 is a packaging structure packaging schematic diagram proposed by the present application;

[0033] Figure 2 is a packaging structure diagram;

[0034] Figure 3 is a schematic view of the structure of the upper foam piece;

[0035] Figure 4 is a schematic view of the structure of the lower foam piece;

[0036] Figure 5 is a plan view of the lower foam piece;

[0037] Figure 6 is a schematic view of the structure of the protective upright;

[0038] Figure 7 is a schematic view of the structure of the protective upright;

[0039] Figure 8 is a schematic view of the structure of the protective upright;

[0040] Figure 9 is a bottom view of the protective upright; Figure 7

[0041] is a sectional view of the protective upright along A-A; Figure 10 Figure 9 is an enlarged view of B in the sectional view of the protective upright along A-A;

[0042] Figure 11 Figure 10 is a schematic view of the structure of the foot part;

[0043] Figure 12 is a schematic view of the structure of the foot part;

[0044] Figure 13 is a schematic view of the position of the avoidance part;

[0045] in the drawings,

[0046] 100, household appliance; 110, door body; 120, foot part; 121, fixed bend; 122, connecting bend; 123, support base; 124, adjustable foot;

[0047] 200, upper foam piece; 210, upper corner guard; 220, upper limiting part; 230, upper recess; 240, upper through part;

[0048] 300, lower foam piece; 310, lower corner guard; 320, lower limiting part; 330, lower recess; 340, lower through part; 350, lower positioning groove part; 360, support rib; 361, avoidance part;

[0049] 400, protective upright; 410, clamping groove part; 420, buffer protrusion;

[0050] 500, support upright. DETAILED DESCRIPTION

[0051] ​​In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0052] It should be noted that, in the description of the present application, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating the direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0053] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0054] In the present application, unless otherwise explicitly specified and limited, the first feature "above" or "below" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0055] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0056] Reference Figure 1 , Figure 2 In one aspect, the present application provides a packaging structure applied in the transportation process of a household appliance 100 such as a disinfection cabinet, which provides protection for the household appliance 100 and reduces damage to the household appliance 100.

[0057] The packaging structure includes an upper foam piece 200, a lower foam piece 300, and a protective upright 400. The upper foam piece 200 forms an upper mounting cavity with an opening downward, the lower foam piece 300 forms a lower mounting cavity with an opening upward, and the household appliance 100 is arranged between the upper mounting cavity and the lower mounting cavity.

[0058] Reference Figures 3-5 The corner of the upper foam piece 200 is formed with an upper corner guard 210 extending downward, and the corner of the lower foam piece 300 is formed with a lower corner guard 310 extending upward.

[0059] In other words, the upper corner guard 210 extends toward the lower foam piece 300, and the lower corner guard 310 extends toward the upper foam piece 200.

[0060] The upper corner guard 210 and the lower corner guard 310 are both corner structures, and the cross section is formed as an L shape, which is used to cover each corner of the household appliance 100, prevent the corner of the household appliance 100 from being damaged, and facilitate increasing the covering area of the household appliance 100.

[0061] The protective upright 400 is connected between the oppositely arranged upper corner guard 210 and lower corner guard 310, and the protective upright 400 is arranged at least on one side of the door body 110 of the household appliance 100, which is used to limit and protect the door body 110.

[0062] The protective upright 400 is used to prevent the door body 110 of the household appliance 100 from shaking and opening during transportation, which can effectively prevent the door body 110 from being pulled out. In addition, the door body 110 of many household appliances 100 (such as disinfection cabinets) is made of glass, and the protective upright 400 can better ensure the damage of the door body 110 glass caused by harsh working conditions during transportation.

[0063] Referring to Figure 1 , Figure 2 , the height of the protective upright 400 can be consistent with the distance between the upper corner guard 210 and the lower corner guard 310, that is, the upper end and the lower end of the protective upright 400 are in contact with the upper corner guard 210 and the lower corner guard 310, respectively.

[0064] Alternatively, referring to Figure 7 , Figure 8 , the height of the protective upright 400 can also be less than the distance between the upper corner guard 210 and the lower corner guard 310, that is, the lower end of the protective upright 400 is supported on the lower corner guard 310, and the upper end of the protective upright 400 forms a mounting spacing with the upper corner guard 210.

[0065] The protective upright 400 is also an overall corner structure, and the inner side of the corner of the protective upright 400 is formed with a clamping groove portion 410, the width of the clamping groove portion 410 is matched with the thickness of the door body 110, and in the connected state, the protective upright 400 is clamped on the door body 110 through the clamping groove portion 410 to achieve the limiting and protection of the door body 110.

[0066] Referring to Figure 6 , in other embodiments, the inner side of the protective upright 400 is also formed with a buffer protrusion 420, the buffer protrusion 420 is a convex surface arranged on the inner side of the protective upright 400 along the height direction of the protective upright 400, and in the installed state, the buffer protrusion 420 is in contact with the outer surface of the door body 110 to further protect the door body 110 and reduce the transmission of vibration.

[0067] Again, referring to Figures 3-5 , the upper limiting portion 220 is formed on the upper foam piece 200, and the lower limiting portion 320 is formed on the lower foam piece 300, and the support upright 500 is arranged between the upper limiting portion 220 and the lower limiting portion 320.

[0068] In some embodiments of the present application, a plurality of upper through portions 240 are formed on the upper foam piece 200, and a plurality of lower through portions 340 are formed on the lower foam piece 300, and the upper through portions 240 and the lower through portions 340 are arranged in an array.

[0069] That is, the upper through portions 240 and the lower through portions 340 form a grid structure for the upper foam piece 200 and the lower foam piece 300, respectively, and the upper through portions 240 and the lower through portions 340 are beneficial to reduce the weight and material consumption of the entire packaging structure, in addition to meeting the stepping demand and avoiding the concentration of force to form extrusion on the household appliance 100.

[0070] In some embodiments of the present application, the upper limiting part 220 is a groove formed on the outer wall of the upper foam piece 200, and the lower limiting part 320 is a groove formed on the lower foam piece 300. The upper limiting part 220 is located directly above the lower limiting part 320, and the two ends of the support vertical part 500 are connected to the upper limiting part 220 and the lower limiting part 320 respectively.

[0071] The opposite ends of the upper limiting part 220 and the lower limiting part 320 are open structures, and the two ends of the support vertical part 500 are inserted into the upper limiting part 220 and the lower limiting part 320 respectively.

[0072] The support vertical part 500 is a wooden stick, which can provide support to the upper foam piece and the lower foam piece on one hand, prevent extrusion, and on the other hand, is also conducive to the installation of the protection vertical part 400, avoiding the protection vertical part 400 from falling off when the upper foam piece 200 or the lower foam piece 300 is deformed too much.

[0073] In some embodiments of the present application, the lower surface of the upper foam piece 200 in contact with the household appliance 100 is formed with an upper positioning groove part, and the upper surface of the lower foam piece 300 in contact with the household appliance 100 is formed with a lower positioning groove part 350. The upper positioning groove part and the lower positioning groove part 350 correspond to the positions of the door body 110 of the household appliance 100, and the upper and lower ends of the door body 110 are connected to the upper positioning groove part and the lower positioning groove part 350 respectively.

[0074] In some embodiments of the present application, the side wall of the upper foam piece 200 is further formed with an upper recess 230, and / or the side wall of the lower foam piece 300 is further formed with a lower recess 330.

[0075] The upper recess 230 and the lower recess 330 are used to reduce the weight of the upper foam piece 200 and the lower foam piece 300, and can disperse the pressure to avoid the pressure acting directly on the household appliance 100.

[0076] On the other hand, the present application also proposes a household appliance 100, which is protected by any of the above-mentioned protection structures.

[0077] The front side of the household appliance 100 is provided with a door body 110. For example, along the height direction of the disinfection cabinet, a plurality of door bodies 110 are arranged, and each door body 110 corresponds to a disinfection shelf for placing bowl and chopsticks to be disinfected.

[0078] The door body 110 is horizontally pushed and pulled to realize the extraction or push-in of the disinfection shelf, which is convenient for taking and placing the disinfection articles.

[0079] Reference Figures 8-11 , Figure 12In some embodiments of the present application, the bottom of the household appliance 100 is further provided with four supporting leg portions 120, which are arranged on the bottom of the household appliance 100 to improve the supporting stability.

[0080] At least the lower foam part 300 is formed with a clearance portion 361 corresponding to the position of each supporting leg portion 120, so that the supporting leg portion 120 is connected to the bottom of the household appliance 100 in advance, thereby reducing the working hours of on-site installation and avoiding the problem of missing parts during transportation of the supporting leg portion 120 as a spare part.

[0081] In other embodiments, in order to facilitate processing, the upper foam part 200 and the lower foam part 300 are designed to have the same structure, thereby reducing the investment in processing molds and lowering the production cost.

[0082] That is, the upper foam part 200 is also formed with a clearance portion 361.

[0083] The supporting leg portion 120 can provide support when the household appliance 100 is used, and the clearance portion 361 on the lower foam part 300 can provide a clearance space for the supporting leg portion 120, meet the clearance requirement, avoid interference between the supporting leg portion 120 and the lower foam part 300, release the stress of the supporting leg portion 120, and solve the problem of deformation of the lower foam part 300 caused by extrusion of the supporting leg portion 120 during transportation.

[0084] In some embodiments of the present application, the bottom of the lower installation cavity is provided with a supporting rib 360, which is used to support the bottom of the household appliance 100 and provide main support for the household appliance 100.

[0085] The supporting rib 360 includes horizontal supporting ribs and vertical supporting ribs arranged around the bottom of the lower installation cavity, and the clearance portion 361 is formed on the horizontal supporting rib or the vertical supporting rib.

[0086] Other supporting ribs 360 arranged horizontally and vertically can also be arranged between the horizontal supporting ribs and the vertical supporting ribs to improve the supporting effect on the household appliance 100.

[0087] The height difference H between the bottom of the clearance portion 361 and the supporting rib 360 ranges from 30 mm to 50 mm to meet the clearance requirement of the supporting leg portion 120.

[0088] In some embodiments of the present application, the gap L between the supporting leg portion 120 and the bottom of the clearance portion 361 ranges from 2 mm to 4 mm.

[0089] The gap between the supporting leg portion 120 and the bottom of the clearance portion 361 serves as a buffer.

[0090] In some embodiments of the present application, the foot portions are arranged at the bottom of the household appliance 100, the foot part 120 comprises a foot support frame and an adjusting foot 124, the foot support frame is fixed at the bottom of the household appliance 100, and a supporting surface is formed on the foot support frame, and the adjusting foot 124 is threadedly connected to the supporting surface of the foot support frame.

[0091] The foot support frame serves as a connecting and fixing base of the adjusting foot 124, and the adjusting foot 124 is threadedly connected to the supporting surface of the supporting base to facilitate adjustment of the supporting height and adapt to the installation requirements of the user for the household appliance 100.

[0092] Reference Figure 12 In some embodiments of the present application, the foot support frame is an integral structure comprising a supporting base 123, a connecting bend 122 and a fixing bend 121.

[0093] The connecting bend 122 is arranged at both sides of the supporting base 123 and perpendicular to the supporting base 123, and the fixing bend 121 is arranged at the end of the connecting bend 122, respectively.

[0094] The two fixing bends 121 are formed at the ends of the connecting bend 122 and are oppositely bent, and the fixing bends 121 are fixed to the bottom of the household appliance 100 by fastening screws to realize the connection and fixation of the foot part 120 and the household appliance 100.

[0095] The supporting surface is formed on the supporting base, the supporting base is provided with a through threaded hole, and the adjusting foot 124 is threadedly connected to the supporting base.

[0096] In addition, a buffer pad can also be arranged at the bottom of the adjusting foot 124, the buffer pad is made of rubber material to improve the stability of the household appliance 100 and reduce vibration transmission.

[0097] Compared with the prior art, the advantages and positive effects of the present application are:

[0098] The packaging structure disclosed by the present application further comprises a supporting stand 500 arranged between the upper foam piece 200 and the lower foam piece 300, both ends of the supporting stand 500 are connected to the upper limiting part 220 and the lower limiting part 320, respectively, the supporting stand 500 provides support for the upper foam piece 200 and the lower foam piece 300, reduces the downward movement and deformation of the upper foam piece 200 after receiving pressure at the top, reduces the transmission of the acting force on the household appliance 100, and improves the protection effect.

[0099] As far as possible, various aspects and features described and shown in the specification can be applied independently, and these independent aspects can be taken as the subject of a divisional application.

[0100] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0101] The above examples are only used to illustrate the technical solutions of the utility model, but not to limit it; although the utility model has been described in detail with reference to the foregoing examples, for those skilled in the art, the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed by the utility model.

Claims

1. A packaging structure, characterized by, The package structure comprises: an upper foam piece, which is formed with an upper installation cavity with an opening facing downward, and the corner of the upper foam piece is formed with an upper corner guard extending downward; a lower foam piece, which is formed with a lower installation cavity with an opening facing upward, and the corner of the lower foam piece is formed with a lower corner guard extending toward the upper foam piece; a household appliance is arranged between the upper installation cavity and the lower installation cavity; a protective upright is connected between the oppositely arranged upper corner guard and lower corner guard, and the protective upright is arranged at least on one side of the door body of the household appliance to limit and protect the door body. The upper foam piece is formed with an upper limiting part, the lower foam piece is formed with a lower limiting part, and a supporting upright is arranged between the upper limiting part and the lower limiting part.

2. The package structure according to claim 1, wherein a plurality of upper through parts are formed on the upper foam piece, and a plurality of lower through parts are formed on the lower foam piece, and the upper through parts and the lower through parts are arranged in an array.

3. The package structure according to claim 1, wherein the upper limiting part is a groove formed on the outer wall of the upper foam piece, the lower limiting part is a groove formed on the lower foam piece, the upper limiting part is located directly above the lower limiting part, and the two ends of the supporting upright are connected to the upper limiting part and the lower limiting part, respectively.

4. The package structure according to claim 1, wherein an upper positioning groove part is formed on the lower surface of the upper foam piece in contact with the household appliance, a lower positioning groove part is formed on the upper surface of the lower foam piece in contact with the household appliance, the upper positioning groove part and the lower positioning groove part correspond to the position of the door body of the household appliance, and the upper end and the lower end of the door body are connected to the upper positioning groove part and the lower positioning groove part, respectively.

5. The package structure according to claim 1, wherein an upper recess part is further formed on the side wall of the upper foam piece, and / or a lower recess part is further formed on the side wall of the lower foam piece; 6. A domestic appliance characterized in that, the upper recess part and the lower recess part are used to reduce the weight of the upper foam piece and the lower foam piece. The household appliance is protected by the protective structure according to any one of claims 1-5.

7. The household appliance according to claim 6, wherein a supporting leg part is further arranged on the bottom of the household appliance, and at least the lower foam piece is formed with an avoiding part corresponding to the position of each supporting leg part.

8. The household appliance according to claim 7, wherein a supporting rib is arranged on the bottom of the lower installation cavity, and the height difference between the avoiding part and the supporting rib ranges from 30mm to 50mm.

9. The household appliance according to claim 7, wherein the gap between the supporting leg part and the bottom of the avoiding part ranges from 2mm to 4mm.

10. The household appliance according to claim 7, wherein the supporting leg parts are arranged on the bottom of the household appliance, the supporting leg part comprises a supporting leg support and an adjusting bottom leg, the supporting leg support is fixed on the bottom of the household appliance, the supporting leg support is formed with a supporting surface, and the adjusting bottom leg is threadedly connected to the supporting surface of the supporting leg support.

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