CN219199628U - Refrigerating appliance - Google Patents

Abstract

The utility model provides a refrigeration electrical appliance. Including the evaporimeter room, the evaporimeter room includes the opening, refrigeration electrical apparatus is still including enclosing in the opening outside and inscription in the first wallboard of opening, enclose around in the first wallboard outside and keep away from the convex second wallboard of evaporimeter room direction for first wallboard, close open-ended heat preservation apron, the heat preservation apron includes the shell, the inner shell, set up the VIP board between inner shell and shell, the inner shell is including the periphery that covers first wallboard, cover second wallboard and open-ended intermediate part, the intermediate part is protruding to the evaporimeter room for the periphery, the VIP board is the echelonment with periphery and intermediate part complex towards one side of inner shell. So set up, can realize improving the heat preservation effect of evaporimeter room.

Description

Refrigerating appliance

Technical Field

The utility model relates to the field of household appliances, in particular to a refrigeration appliance.

Background

In the existing refrigeration appliances with the ice making function, such as refrigerators, an ice making compartment is often arranged on a refrigerating chamber of the refrigeration appliance, so that users can use the refrigeration appliance conveniently. The refrigerating appliance needs to supply low-temperature cool air to the ice making compartment to meet the ice making demand. In the prior art, an evaporator of a freezing chamber arranged at the lower part of a refrigeration appliance is used for supplying cold to an ice making compartment. However, the wind channel travel is longer, the generated wind flow resistance is large, the energy loss is large, and the ice making efficiency is poor. An evaporator compartment may be provided in the refrigerating compartment to improve cooling efficiency to the ice making compartment. However, this design has the following drawbacks: if the temperature difference between the evaporator room and the refrigerating room is relatively large and the heat preservation effect of the cover plate closing the opening of the evaporator room is poor, cold air in the evaporator room leaks into the refrigerating room, so that the temperature in the refrigerating room is too low.

Disclosure of Invention

The utility model aims to provide a refrigeration appliance, which can improve the heat preservation effect of an evaporator chamber by arranging a first wall plate and a second wall plate which form steps around the opening of the evaporator chamber and arranging a step-shaped VI P plate in a heat preservation cover plate.

To achieve the above object, an embodiment of the present utility model provides a refrigeration appliance including an evaporator compartment including an opening, wherein the refrigeration appliance further includes:

a first wall plate which surrounds the outside of the opening in a closed manner and is inscribed in the opening;

a second wall plate which is enclosed and surrounds the outer side of the first wall plate, protrudes towards the direction away from the evaporator chamber relative to the first wall plate and forms a step with the first wall plate;

a heat-insulating cover plate closing the opening;

the heat preservation apron includes shell, inner shell, set up in the inner shell with VI P board between the shell, the inner shell is including covering the periphery of first wallboard, cover the second wallboard with open-ended intermediate part, intermediate part for the periphery to the protrusion of evaporimeter room, VI P board orientation one side of inner shell be with periphery and intermediate part complex echelonment.

As a further improvement of an embodiment of the present utility model, the refrigeration appliance includes a refrigeration compartment, the evaporator compartment is disposed in the refrigeration compartment, the opening faces into the refrigeration compartment, and the heat-insulating cover plate is disposed in the refrigeration compartment; the refrigerating room comprises a refrigerating door for opening and closing the refrigerating room, the refrigerating door is provided with an ice making room, the ice making room is provided with an air inlet and an air return opening, an air inlet channel is connected between the air inlet and the evaporator room, and an air return channel is connected between the air return opening and the evaporator room.

As a further improvement of an embodiment of the present utility model, the VI P plate is attached to the outer case and is spaced from the inner case to form a foaming space, and the foaming space is filled with a foaming material.

As a further improvement of an embodiment of the present utility model, the VI P plate includes a first flat plate and a second flat plate connected in a stepped manner, the first flat plate is disposed on the outer shell side, the second flat plate is disposed on the inner shell side, the first flat plate is larger than the second flat plate, and the first flat plate and the second flat plate are integrally formed or connected in a split manner.

As a further improvement of an embodiment of the present utility model, the refrigerator includes a planar plate main body, the periphery of the plate main body extends toward the inner casing to form an outer peripheral wall, inner peripheral walls are disposed in parallel and spaced apart on the inner side of the outer peripheral wall, the inner peripheral walls are provided with a plurality of first fastening structures disposed at intervals, the inner casing is provided with a middle peripheral wall extending between the outer peripheral wall and the inner peripheral wall, and the middle peripheral wall is provided with a second fastening structure matched with the first fastening structure.

As a further improvement of an embodiment of the present utility model, the first wall plate is formed with a plurality of first holes arranged at intervals, the outer peripheral portion is formed with a second hole matched with the first hole, the housing is formed with a third hole matched with the second hole, the outer peripheral wall, the inner peripheral wall and the middle peripheral wall are concavely bent at the second hole and the third hole correspondingly to form a bending portion, the bending portion forms a yielding area for assembling a connecting piece, and the connecting piece is used for connecting the heat insulation cover plate to the first hole.

As a further improvement of an embodiment of the present utility model, the left side wall, the right side wall and the lower side wall of the inner peripheral wall are respectively formed with a plurality of the bending portions at intervals, and the left side wall, the right side wall and the lower side wall of the VI P plate are respectively connected with the bending portions corresponding to the inner peripheral wall.

As a further improvement of an embodiment of the present utility model, the refrigerator further includes a protrusion connected to the left side wall or the right side wall of the VI P plate.

As a further improvement of an embodiment of the present utility model, in the refrigeration appliance, an evaporator and a fan disposed above the evaporator are disposed in the inter-evaporator chamber, and the area of the intermediate portion corresponding to the fan protrudes toward the fan.

As a further improvement of an embodiment of the present utility model, the refrigerating appliance is characterized in that a heating device for defrosting the evaporator is arranged in the inter-evaporator chamber, and a heat dissipation plate or a heat insulation plate is attached to the surface of the inner shell facing the heating device.

As a further improvement of an embodiment of the present utility model, a sealing element is disposed between the middle portion and the second wall plate, the middle portion extends toward an inner edge of the sealing element to form a limiting wall, the height of the limiting wall is matched with the thickness of the sealing element, the sealing element is adhered to the middle portion, and the sealing element is made of EPDM.

As a further improvement of an embodiment of the present utility model, the limiting wall is provided with a plurality of buckles extending toward the evaporator chamber at intervals, and the side wall of the evaporator chamber is provided with a buckling structure matched with the buckles.

Compared with the prior art, the utility model has the beneficial effects that the first wallboard and the second wallboard which form the steps are arranged around the opening of the chamber of the evaporator, and the VI P plate which is in the shape of the steps is arranged in the heat-insulating cover plate, so that the evaporator has the advantages that: the heat preservation effect of the evaporator chamber can be improved.

Drawings

Fig. 1 is a schematic view of a refrigerator according to an embodiment of the present utility model;

fig. 2 is a schematic view of a structure of a refrigerating compartment of the refrigerator shown in fig. 1;

FIG. 3 is a schematic view of the heat-insulating cover plate and the related evaporator shown in FIG. 2;

FIG. 4 is an exploded view of the insulating cover plate shown in FIG. 2;

FIG. 5 is a schematic view of the housing structure shown in FIG. 3;

fig. 6 is a schematic view of the inner shell structure shown in fig. 3.

Detailed Description

The present utility model will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present utility model, and structural, methodological, or functional modifications thereof by one of ordinary skill in the art are included within the scope of the present utility model.

The utility model provides a refrigeration appliance which can be a refrigerator 1, a freezer, a commercial showcase and the like. The refrigerator 1 will be described as an example of the refrigerator.

Referring to fig. 1 to 4, in the present embodiment, a refrigerator 1 may include an evaporator compartment 2, the evaporator compartment 2 may include an opening 3, wherein the refrigerator 1 may further include: a first wall plate 4 which surrounds the outside of the opening 3 in a closed manner and is inscribed in the opening 3; a second wall plate 5 which is enclosed around the outside of the first wall plate 4, protrudes away from the evaporator compartment 2 with respect to the first wall plate 4, and forms a step with the first wall plate 4; a heat-insulating cover plate 6 closing the opening 3; the heat-insulating cover plate 6 may include an outer case 7, an inner case 8, and a VI P plate 9 disposed between the inner case 8 and the outer case 7, the inner case 8 may include an outer peripheral portion 81 covering the first wall plate 4, an intermediate portion 82 covering the second wall plate 5 and the opening 3, the intermediate portion 82 protruding toward the evaporator chamber 2 with respect to the outer peripheral portion 81, and the VI P plate 9 being stepped toward one side of the inner case 8 to be engaged with the outer peripheral portion 81 and the intermediate portion 82.

The VI P plate 9 is a vacuum insulation board for short, is one of vacuum insulation materials, is formed by compounding a filling core material and a vacuum protection surface layer, and effectively avoids heat transfer caused by air convection, so that the heat conductivity coefficient can be greatly reduced, and the vacuum insulation board has the characteristics of environmental protection, high efficiency and energy conservation. Compared with other heat insulation materials, the heat insulation cover plate 6 occupies smaller space volume and has higher heat insulation efficiency, so that the VI P plate 9 is used in the heat insulation cover plate 6, the thickness of the heat insulation cover plate 6 can be reduced, and meanwhile, the heat insulation effect of the heat insulation cover plate 6 is improved.

The first wall plate 4 and the second wall plate 5 forming steps are arranged at the opening 3 of the evaporator chamber 2, the second wall plate 5 protrudes outwards relative to the first wall plate 4, and the heat preservation cover plate 6 covers the opening 3 and also covers the first wall plate 4 and the second wall plate 5 outside the opening 3. The vp plate 9 is fitted not only to the outer peripheral portion 81 of the inner casing 8, covering the first wall plate 4, but also to the intermediate portion 82 of the inner casing 8, protruding toward the evaporator compartment 2, covering the second wall plate 5 and the opening 3.

So set up, can make the better opening 3 that seals up the evaporator room 2 of heat preservation apron 6, the heat transmission between isolated heat preservation apron 6 outside space and the evaporator room 2 blocks the outside diffusion of the air conditioning in the evaporator room 2, improves the heat preservation effect of evaporator room 2, can effectively improve the coverage of VI P board 9, increases the thickness of VI P board 9, improves the heat preservation effect of heat preservation apron 6, can reduce the occupation of heat preservation apron 6 to the outside space of evaporator room 2 simultaneously.

Referring to fig. 1-2, further, in another embodiment of the present utility model, the refrigerator 1 may include a refrigerating compartment 10, the evaporator compartment 2 is disposed in the refrigerating compartment 10, the opening 3 faces into the refrigerating compartment 10, and the heat-insulating cover 6 is disposed in the refrigerating compartment 10; the refrigerating compartment 10 may include a refrigerating door 11 for opening and closing the refrigerating compartment 10, the refrigerating door 11 is provided with an ice making compartment 12, the ice making compartment 12 is provided with an air inlet 13 and an air return 14, an air inlet duct is connected between the air inlet 13 and the evaporator compartment 2, and an air return duct is connected between the air return 14 and the evaporator compartment 2.

In the present embodiment, the refrigerator 1 may include a cabinet 15, and a plurality of storage compartments, such as a refrigerating compartment 10, a freezing compartment 16, etc., for storing articles may be formed inside the cabinet 15. The refrigerating compartment 10 may be provided at an upper portion of the cabinet 15, and the freezing compartment 16 may be provided at a lower portion of the cabinet 15.

An ice making compartment 12 may be provided on the refrigerator door 11 to facilitate a user's taking of ice. In order to ensure the cooling effect to the ice making compartment 12 and reduce energy loss caused by overlong cooling air channels, the evaporator compartment 2 may be disposed in the refrigerating compartment 10, and cold air communication between the evaporator compartment 2 and the ice making compartment 12 may be achieved through the air inlet channels and the air return channels.

In the present embodiment, the evaporator compartment 2, the first wall plate 4, and the second wall plate 5 may be integrally formed by the liner of the refrigerator compartment 10. The evaporator compartment 2 may be manufactured separately, the inner container of the refrigerating compartment 10 may be provided with a mounting opening for mounting the evaporator compartment 2, the evaporator compartment 2 may be mounted on the mounting opening of the refrigerating compartment 10, and then the evaporator compartment 2 may be fixed in the refrigerating compartment 10.

By the arrangement, the cooling effect of the door body ice making compartment 12 can be ensured, the energy loss caused by overlong cooling air channels and the like is reduced, the heat transmission between the evaporator compartment 2 arranged in the refrigerating compartment 10 and the refrigerating compartment 10 is reduced, the cool air in the evaporator compartment 2 is prevented from diffusing into the refrigerating compartment 10, the heat preservation effect of the evaporator compartment 2 is improved, meanwhile, the occupation of the heat preservation cover plate 6 to the space of the refrigerating compartment 10 can be reduced, and the utilization rate of the space of the refrigerating compartment 10 is improved.

Further, in another embodiment of the present utility model, the VI P plate 9 is attached to the outer case 7 and is spaced from the inner case 8 to form a foaming space, and the foaming space is filled with a foaming material.

The VI P plate 9 is generally regular in shape, and since the inner shell 8 of the heat-insulating cover plate 6 is often required to be matched with the evaporator structure in the evaporator room 2, etc., the inner shell 8 is often irregular in shape, and the outer shell 7 of the heat-insulating cover plate 6 is often regular flat, the VI P plate 9 is attached to the outer shell 7, so that the structure of the VI P plate 9 is simpler, and the VI P plate 9 is convenient to install.

Because VI P board 9 hardly realizes closely combining with heat preservation apron 6 shell 7 and inner shell 8, through at VI P board 9 inside packing foam material, can close the clearance between VI P board 9 and inner shell 8 and the shell 7, improve the heat preservation effect of heat preservation apron 6, simultaneously, can be with the stable fixed of VI P board 9 inside heat preservation apron 6.

Referring to fig. 4, further, in another embodiment of the present utility model, the VI P plate 9 may include a first plate 91 and a second plate 92 connected in a stepped manner, the first plate 91 is disposed on the outer shell 7 side, the second plate 92 is disposed on the inner shell 8 side, the first plate 91 is larger than the second plate 92, and the first plate 91 and the second plate 92 are integrally formed or connected in a split manner.

In the present embodiment, the VI P plate 9 may be formed by combining two flat plates, i.e., a first flat plate 91 and a second flat plate 92. The first plate 91 may be attached to the housing 7 and sized to fit the housing 7. The second plate 92 may protrude toward the evaporator compartment 2 with respect to the first plate 91, and be cooperatively sized with the inner shell 8 of the insulating cover 6. The second plate 92 may be manufactured integrally with the first plate 91, or may be manufactured separately, and the second plate 92 may be connected to the first plate 91 by glue or the like.

By the arrangement, the space occupied by the VI P plate 9 in the heat-insulating cover plate 6 and the thickness of the VI P plate 9 can be improved, the VI P plate 9 is simpler in structure, the VI P plate 9 is convenient to process and manufacture, and the production cost is reduced.

Referring to fig. 4-5, further, in another embodiment of the present utility model, the outer casing 7 may include a planar plate body 71, the periphery of the plate body 71 extends toward the inner casing 8 to form an outer peripheral wall 72, inner peripheral walls 73 are disposed in parallel and spaced apart inside the outer peripheral wall 72, the inner peripheral walls 73 are disposed with first fastening structures 76 disposed at intervals, the inner casing 8 is disposed with a middle peripheral wall 83 extending between the outer peripheral wall 72 and the inner peripheral wall 73, and the middle peripheral wall 83 is disposed with a second fastening structure 84 that mates with the first fastening structures 76.

The first engagement structure 76 may be an engagement opening 3 formed on the inner peripheral wall 73, and the second engagement structure 84 may be an engagement protrusion formed on the middle peripheral wall 83. The inner peripheral wall 73 may be formed with a plurality of first locking structures 76 on the upper, lower, left and right sides.

So set up, can realize the tight connection between shell 7 and the inner shell 8, can form the installation space of VI P board 9 and foaming material's filling space, the foaming material appears when avoiding filling the foaming material reveal the scheduling situation, improve the heat preservation effect of heat preservation apron 6, simple structure, the equipment is convenient, and the reliability is high.

Referring to fig. 2, 4 and 5, in another embodiment of the present utility model, the first wall plate 4 is formed with a plurality of first holes 41 spaced apart, the outer peripheral portion 81 is formed with a second hole 84 matching with the first holes 41, the outer shell 7 is formed with a third hole 74 matching with the second hole 84, the outer peripheral wall 72, the inner peripheral wall 73 and the middle peripheral wall 83 are concavely bent at the second hole 84 and the third hole 74 to form a bending portion 61, and the bending portion 61 is formed with a relief area for assembling a connector for connecting the insulating cover plate 6 to the first holes 41.

The first wall plate 4 may be formed with a plurality of first holes 41 on the left, right and lower sides. So set up, can realize the firm connection between heat preservation apron 6 and the first wallboard 4, guarantee the cooperation of heat preservation apron 6 and first wallboard 4, second wallboard 5, improve the sealed effect of heat preservation apron 6 to evaporator opening 3, simple structure, easy dismounting, the reliability is high.

Referring to fig. 5, in another embodiment of the present utility model, a plurality of the curved portions 61 are formed on each of the left, right and lower side walls of the inner peripheral wall 73 at intervals, and the left, right and lower side walls of the vp plate 9 are in contact with the curved portions 61 corresponding to the inner peripheral wall 73.

So set up, can carry out spacingly through flexion 61 to VI P board 9, be convenient for assemble VI P board 9 in shell 7, simultaneously, make VI P board 9 fixed more firm, reliable in the apron 6 keeps warm, prevent that VI P board 9 from producing displacement, rocking.

Referring to fig. 5, further, in another embodiment of the present utility model, the housing 7 is further provided with a protrusion 75 that is connected to the left or right side wall of the VI P plate 9.

So set up, can realize spacing VI P board 9, be convenient for assemble VI P board 9 in shell 7, simultaneously, make VI P board 9 fixed more firm, reliable in the apron 6 that keeps warm, prevent that VI P board 9 from producing displacement, rocking.

Referring to fig. 3 to 4, in another embodiment of the present utility model, an evaporator 21 and a fan 22 disposed above the evaporator 21 are disposed in the inter-evaporator chamber 2, and the middle portion 82 protrudes toward the fan 22 in a region corresponding to the fan.

By the arrangement, the thickness of the heat-insulating cover plate 6 can be increased, the filling quantity of heat-insulating materials in the heat-insulating cover plate 6 is improved, and then the heat-insulating effect of the heat-insulating cover plate 6 on the evaporator chamber 2 is improved.

Referring to fig. 3 to 4, further, in another embodiment of the present utility model, a heating device for defrosting the evaporator 22 is disposed in the inter-evaporator chamber 2, and a heat dissipation plate 24 or a heat insulation plate 24 is attached to a surface of the inner shell 8 facing the heating device.

In the present embodiment, the heat dissipation plate 24 or the heat insulation plate 24 may be made of a heat dissipation or heat insulation material resistant to high temperature, such as an aluminum plate. By the arrangement, the situation that heat generated by the heating device is concentrated at a specific position of the heat-preserving cover plate 6 to cause melting of the heat-preserving cover plate 6, heat-preserving performance is reduced and the like can be avoided.

Referring to fig. 4, further, in another embodiment of the present utility model, a seal is provided between the intermediate portion 82 and the second wall plate 5. The intermediate portion 82 extends toward the seal inner edge to form a retaining wall 85. The spacing wall 85 height and the seal thickness cooperate. The seal is affixed to the intermediate portion 82. The sealing member may be made of EPDM.

The provision of the limiting wall 85 facilitates the mounting and fixing of the seal and facilitates the connection between the seal and the inner housing 8. The sealing element adopts EPDM plastic, so that the sealing element has certain oxidation resistance and corrosion resistance, and the service life and reliability of the sealing element are improved.

By the arrangement, the assembly gap between the heat-insulating cover plate 6 and the second wall plate 5 can be reduced, heat transmission between the evaporator chamber 2 arranged in the refrigerating chamber 10 and the refrigerating chamber 10 is reduced, cold air in the evaporator chamber 2 is prevented from diffusing into the refrigerating chamber 10, and the heat-insulating effect of the evaporator chamber 2 is improved.

Referring to fig. 4, in a further embodiment of the present utility model, the limiting walls 85 are provided with a plurality of buckles 86 extending toward the evaporator chamber 2 at intervals, and the side walls of the evaporator chamber 2 are provided with engaging structures 23 that cooperate with the buckles 86.

So set up, can connect heat preservation apron 6 and evaporimeter room 2, make the connection between heat preservation apron 6 and the evaporimeter room 2 firm more, reliable, inseparable, can reduce the interior air conditioning of evaporimeter room 2 and reveal, improve the heat preservation effect of evaporimeter room 2, simple structure, the equipment is convenient, and the reliability is high.

In summary, in the refrigeration appliance according to the present utility model, the first wall plate 4 and the second wall plate 5 forming steps are disposed around the opening 3 of the evaporator compartment 2, and the VI P plate 9 having steps is disposed in the heat-insulating cover plate 6, so that the problem that the temperature in the refrigerator compartment 10 is too low due to leakage of cool air in the evaporator compartment 2 into the refrigerator compartment 10 when the heat-insulating effect of the cover plate closing the opening 3 of the evaporator compartment 2 is poor due to relatively large temperature difference between the evaporator compartment 2 and the refrigerator compartment 10 in the prior art can be solved.

Adopt the technical scheme among this application can make the better opening 3 that seals up the evaporator room 2 of heat preservation apron 6, the heat transmission between isolated heat preservation apron 6 outside space and the evaporator room 2 blocks the air conditioning out-diffusion in the evaporator room 2, improves the heat preservation effect of evaporator room 2, can effectively improve the coverage of VI P board 9, increases the thickness of VI P board 9, improves the heat preservation effect of heat preservation apron 6, can reduce the occupation of heat preservation apron 6 to the outside space of evaporator room 2 simultaneously.

In addition, the cooling effect of the door body ice making compartment 12 can be ensured, the energy loss caused by overlong cooling air channels and the like is reduced, the heat transmission between the evaporator compartment 2 arranged in the refrigerating compartment 10 and the refrigerating compartment 10 is reduced, the cool air in the evaporator compartment 2 is prevented from diffusing into the refrigerating compartment 10, the heat preservation effect of the evaporator compartment 2 is improved, meanwhile, the occupation of the heat preservation cover plate 6 to the space of the refrigerating compartment 10 can be reduced, and the utilization rate of the space of the refrigerating compartment 10 is improved.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims (12)

1. A refrigeration appliance comprising an evaporator compartment, the evaporator compartment comprising an opening, the refrigeration appliance further comprising:

a first wall plate which surrounds the outside of the opening in a closed manner and is inscribed in the opening;

a second wall plate which is enclosed and surrounds the outer side of the first wall plate, protrudes towards the direction away from the evaporator chamber relative to the first wall plate and forms a step with the first wall plate;

a heat-insulating cover plate closing the opening;

the heat preservation apron includes shell, inner shell, set up in the inner shell with the VIP board between the shell, the inner shell includes the cover first wallboard's periphery, covers the second wallboard with open-ended intermediate part, intermediate part for the periphery to the protrusion of evaporimeter room, the VIP board orientation one side of inner shell be with periphery and intermediate part complex echelonment.

2. The refrigeration appliance according to claim 1, wherein the refrigeration appliance includes a refrigerated compartment, the evaporator compartment is disposed in the refrigerated compartment, the opening is oriented into the refrigerated compartment, and the insulating cover is disposed in the refrigerated compartment; the refrigerator is characterized in that the refrigerator comprises a refrigerator door for opening and closing the refrigerator, the refrigerator door is provided with an ice making chamber, the ice making chamber is provided with an air inlet and an air return, an air inlet channel is connected between the air inlet and the evaporator chamber, and an air return channel is connected between the air return and the evaporator chamber.

3. The refrigeration appliance according to claim 1 wherein said VIP panel is disposed adjacent to said outer shell and spaced from said inner shell to form a foam space, said foam space being filled with a foam material.

4. The refrigeration appliance according to claim 1 wherein said VIP panel includes a first panel and a second panel connected in a stepped configuration, said first panel being disposed on said outer shell side and said second panel being disposed on said inner shell side, said first panel being larger in size than said second panel, said first panel and said second panel being integrally formed or separately connected.

5. The refrigeration appliance according to claim 1, wherein the outer shell includes a plate body in a planar shape, the peripheral edge of the plate body extends toward the inner shell to form an outer peripheral wall, inner peripheral walls are arranged in parallel at intervals inside the outer peripheral walls, the inner peripheral walls are provided with a plurality of first clamping structures arranged at intervals, the inner shell is provided with a middle peripheral wall extending between the outer peripheral wall and the inner peripheral walls, and the middle peripheral wall is provided with a second clamping structure matched with the first clamping structure.

6. The refrigeration appliance according to claim 5 wherein said first wall plate is formed with a plurality of first holes arranged at intervals, said outer peripheral portion is formed with a second hole which mates with said first hole, said housing is formed with a third hole which mates with said second hole, said outer peripheral wall, said inner peripheral wall, said middle peripheral wall are curved inwardly at said second hole, said third hole in a manner to accommodate, a curved portion which forms a relief area for the attachment of a connector for connecting said insulating cover plate to said first hole.

7. The refrigeration appliance according to claim 6, wherein the left side wall, the right side wall and the lower side wall of the inner peripheral wall are each formed with a plurality of the curved portions at intervals, and the left side wall, the right side wall and the lower side wall of the VIP panel are each connected with the curved portion corresponding to the inner peripheral wall.

8. The refrigeration appliance according to claim 7 wherein the housing is further provided with a protrusion that interfaces with either the left or right side wall of the VIP panel.

9. The refrigeration appliance according to claim 1, wherein an evaporator, a fan disposed above the evaporator, and a region of the intermediate portion corresponding to the fan is provided in the inter-evaporator chamber so as to protrude toward the fan.

10. The refrigeration appliance according to claim 9, wherein a heating device for defrosting the evaporator is provided in the inter-evaporator chamber, and a heat radiation plate or a heat insulation plate is attached to a surface of the inner case facing the heating device.

11. The refrigeration appliance according to claim 1, wherein a sealing member is arranged between the middle portion and the second wall plate, the middle portion extends towards the inner edge of the sealing member to form a limiting wall, the height of the limiting wall is matched with the thickness of the sealing member, the sealing member is adhered to the middle portion, and the sealing member is made of EPDM.

12. The refrigeration appliance according to claim 11 wherein said retaining walls are provided with a plurality of tabs extending toward said evaporator compartment at spaced intervals, and said evaporator compartment side walls are provided with snap-fit engagement structures.

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