Refrigeration appliance

Abstract

A refrigeration appliance comprises a box body and a door, the box body defines at least one storage chamber, and the storage chamber is internally provided with a placing tray used for placing articles in the using state of the refrigeration appliance; the protection device is used for filling at least partial area in the storage chamber under the packaging state of the refrigeration appliance and is provided with a first surface and a second surface which are opposite to each other; the protection device is provided with at least one reinforcing rib, for each reinforcing rib in the at least one reinforcing rib, the reinforcing rib is formed by protruding the first surface in the first direction or protruding the second surface in the direction opposite to the first direction, and the first direction is the direction from the second surface to the first surface; the protection device is provided with an insertion groove with an opening facing the second direction, the placement tray is inserted into the insertion groove so as to be positioned, and the first direction is perpendicular to the second direction. According to the scheme, the structural strength of the protection device can be improved, and the packaging buffering function is better achieved.

Description

Technical Field

[0001] The embodiments of the present disclosure relate to the technical field of refrigeration appliances, and particularly to a refrigeration appliance. Background Art

[0002] In the field of refrigeration appliances, shelves are commonly installed within compartments (e.g., refrigerator compartments) to divide the compartment into multiple storage spaces and improve space utilization. For example, the side walls of the compartment are provided with rail ribs, and the shelves are supported on the rail ribs to divide the compartment into multiple storage spaces along the height direction.

[0003] The track rib is typically a straight convex rib with no additional retaining structure. The forward movement of the shelf is limited only by the interference fit between the rear end of the track rib and the rear frame of the shelf. This can lead to the shelf moving forward during transportation of the refrigeration appliance, necessitating additional securing during transportation to prevent unexpected movement of the shelf within the compartment, potentially impacting the door, bottle holder, or liner, leading to damage.

[0004] However, the protective device used in the prior art has many defects, and its packaging and buffering function for the shelf tray is poor, and it cannot achieve the expected protective effect. Utility Model Content

[0005] An object of the embodiments of the present disclosure is to provide an improved refrigeration appliance.

[0006] Therefore, an embodiment of the present disclosure provides a refrigeration appliance, comprising a box body and a door, the box body defining at least one storage chamber, the storage chamber being provided with: a shelf for placing items when the refrigeration appliance is in use; a protective device that fills at least a portion of the storage chamber when the refrigeration appliance is packaged, the protective device having a first surface and a second surface relative to each other; the protective device is provided with at least one reinforcing rib, and for each of the at least one reinforcing rib, the reinforcing rib is formed by protruding from the first surface along a first direction or by protruding from the second surface along a direction opposite to the first direction, wherein the first direction is the direction in which the second surface points to the first surface; the protective device is provided with a slot opening toward the second direction for inserting the shelf to position the shelf, the first direction being perpendicular to the second direction.

[0007] Compared to existing protective devices that only feature a groove to secure the shelf tray, the protective device of this embodiment, in addition to a slot to position the shelf tray, also includes additional reinforcing ribs projecting along a first direction or its opposite direction. The first direction is perpendicular to the shelf tray insertion direction (i.e., the second direction) to enhance the overall structural strength of the protective device. As a result, even if the shelf tray unexpectedly shifts relative to the slot during transport of the refrigeration appliance, for example, impacting the slot forward in the second direction, the protective device with reinforcing ribs can more reliably withstand the impact force of the shelf tray in the second direction through its own structural performance, reducing the possibility of deformation of the protective device. This enhanced structural strength of the protective device enhances the packaging's cushioning properties, helping to better withstand external impacts (e.g., the shelf tray), protecting the shelf tray from damage and preventing it from colliding with other internal components of the refrigeration appliance.

[0008] Optionally, the first direction, the second direction, and the height direction of the refrigeration appliance are perpendicular to each other. The second direction is generally parallel to the depth direction of the refrigeration appliance, and correspondingly, the first direction is parallel to the width direction of the refrigeration appliance. By making the first surface and / or the second surface of the protective device concave and convex relative to the surface perpendicular to the width direction to form reinforcing ribs, the overall structural strength of the protective device along the depth direction can be enhanced, thereby better achieving the packaging cushioning function.

[0009] Optionally, the slots are formed on the edges of the first and second surfaces facing the shelf. Thus, the slots are formed on the narrow sides of the protective device, and the large surfaces of the protective device are provided with reinforcing ribs to increase the overall structural strength.

[0010] Optionally, for the reinforcement rib formed by the first surface protruding along the first direction, the second surface corresponding to the reinforcement rib is recessed along the first direction to form a groove. This facilitates processing, reduces material consumption, is low-carbon, and is conducive to saving resources and energy.

[0011] Optionally, for the reinforcement rib formed by the second surface protruding in the direction opposite to the first direction, the first surface corresponding to the reinforcement rib is recessed in the direction opposite to the first direction to form a groove. This facilitates processing, reduces material consumption, is low-carbon, and is conducive to saving resources and energy.

[0012] Optionally, the protective device is made of paper pulp. The protective device made of paper pulp can be recycled and reused, which is more environmentally friendly.

[0013] Optionally, a plurality of reinforcing ribs are distributed on different sides of the slot, thereby strengthening the structural strength of the slot, so that the slot can better resist the impact of the tray.

[0014] Optionally, a plurality of reinforcing ribs are formed on the first surface in a grid pattern, thereby providing reinforcing ribs on the entire surface of the first surface to enhance the overall structural strength.

[0015] Optionally, the reinforcing ribs include a first rib extending from the bottom wall of the slot along the second direction, wherein the first rib and the projection of the shelf along the depth direction of the refrigeration appliance at least partially overlap. Thus, providing the first rib at a corresponding position in front of the shelf specifically strengthens the structural strength of the protective device in the area most likely to be impacted by the shelf.

[0016] Optionally, the reinforcing ribs include a plurality of second ribs, each of the second ribs extending along a height direction of the refrigeration appliance, and the plurality of second ribs being spaced apart along the second direction, thereby enhancing the structural strength of the protective device in the height direction of the refrigeration appliance.

[0017] Optionally, the projection of at least one of the second ribs along the height direction of the refrigeration appliance falls within the region where the slot is located. This specifically strengthens the structural strength of the pair of side walls of the slot, reduces deformation of the slot when the shelf plate shakes relative to the slot, and maintains the slot's positioning of the shelf plate.

[0018] Optionally, the reinforcing ribs include: a plurality of third ribs, each of the third ribs extending along the second direction, and the plurality of third ribs being spaced apart along the height direction of the refrigeration appliance, thereby enhancing the structural strength of the protective device in the second direction.

[0019] Optionally, the spacing between a pair of side walls of the slot is greater than the thickness of the shelf; and / or, the slot has a first side wall and a second side wall relative to each other, the shelf is positioned relative to the bottom wall of the slot and the first side wall, respectively, and the second side wall has a non-zero gap with the shelf. By appropriately increasing the opening of the slot, the shelf can be quickly aligned and inserted into the opening during assembly. Furthermore, when the protective device is wrapped with a protective bag, the enlarged opening design can provide sufficient deformation space for the protective bag when the shelf is inserted, so that the protective device can be quickly installed in place.

[0020] Optionally, the second side wall extends obliquely from the bottom wall along the second direction and away from the first side wall. The slot is designed with a bell-shaped mouth on the side not required for positioning, which effectively increases the opening size while also improving the structural strength of the portion of the protective device where the slot is formed.

[0021] Optionally, the refrigeration appliance further comprises a protective bag, which is sleeved on the protective device, thereby preventing the protective device from dropping debris and contaminating the internal environment of the storage compartment after being hit.

[0022] Optionally, the protective device is positioned within the storage chamber along the height direction of the refrigeration appliance, and the protective device is provided with a plurality of upwardly protruding ribs at intervals along the second direction on at least the top surface. In the prior art, the protective device is mainly positioned and limited within the storage chamber by vertical positioning, specifically by the cooperation of the ribs at the lower end and the slots of the shelf. The upper surface of the protective device directly presses against the top inner wall of the storage chamber. Due to the low processing precision of the protective device, the surface roughness and dimensional accuracy of the product are poorly controlled. As a result, during the actual assembly process, the gap between the upper end and the top inner wall of the protective device after the lower end is positioned is uncontrollable, which can easily lead to the situation that the protective device is too tight and difficult to assemble, too loose and unstable, and even loose and falling on the production line. In comparison, this embodiment compensates for the aforementioned uncontrollable factors by adding ribs to the top surface of the protective device, using the ribs to fill the uncontrollable assembly gap. If the gap is too large, the height of the rib itself can effectively fill the gap. If the gap is too small, the rib has a certain amount of deformation space and can still adapt to the gap well. As a result, the ribbed guard is easier to install during refrigeration appliance assembly, preventing the shelf from shaking and improving the shelf's securement during transport. Furthermore, adding ribs to the top surface of the guard increases its strength, stability, and practicality, improving its shock absorption during transport and handling.

[0023] Optionally, for the reinforcing ribs formed by the first surface protruding along the first direction, along the second direction, the closer the reinforcing rib is to the slot, the greater the amplitude of the protrusion along the first direction; and / or, for the multiple reinforcing ribs formed by the first surface protruding along the first direction, the multiple reinforcing ribs are arranged at intervals along the second direction, wherein the reinforcing ribs closer to the slot in the multiple reinforcing ribs protrude along the first direction greater; and / or, the cross-section of the first surface along the first plane extends generally obliquely along the first and second directions, and the first plane is perpendicular to the height direction of the refrigeration appliance. In this way, other components in the storage room can be avoided. For example, a shelf on the door needs to occupy space in the storage room when the door is closed, and the special shape of the reinforcing ribs can be adjusted to avoid the shelf.

[0024] Optionally, the number of the protective devices is two, and the two protective devices are symmetrically positioned on a pair of side inner walls of the storage chamber, wherein the first surfaces of the two protective devices are arranged facing each other. In this way, both ends of the shelf along the width direction are positioned by the protective devices, thereby improving the positioning reliability of the shelf. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic diagram of a refrigeration appliance according to an embodiment of the present disclosure;

[0026] Figure 2 yes Figure 1a front view of the structure shown;

[0027] Figure 3 yes Figure 2 Cross-sectional view along AA direction;

[0028] Figure 4 is a schematic diagram of the protective device;

[0029] Figure 5 yes Figure 4 Schematic diagram of the middle protective device from another perspective;

[0030] Figure 6 yes Figure 2 Cross-sectional view along direction BB;

[0031] Figure 7 yes Figure 3 Schematic diagram of the cooperation process between the middle area C and the shelf when the protective device is provided with a protective bag;

[0032] In the attached figure:

[0033] 1-Refrigeration appliance; 10-Box; 101-Storage compartment; 101a-Bottom inner wall; 101b-Top inner wall; 101c-Side inner wall; 101d-Rear inner wall; 102-Casing; 103-Drawer; 11-Door; 111-Storage rack; 12-Shelf; 121-Rail rib; 122-Receiving port; 123-Limiting portion; 13-Storage rack; 2-Protective device; 2a-First surface; 2b-Second surface; 2c-Top surface; 21-Reinforcement rib ;211-first rib;212-second rib;213-third rib;22-slot;221-bottom wall;222-first side wall;223-second side wall;224-bottom plate;23-groove;24-upper end;25-lower end;251-convex rib;252-assembly portion;26-rib;3-protective bag;u-first direction;v-second direction;x-width direction of the refrigeration appliance;y-depth direction of the refrigeration appliance;z-height direction of the refrigeration appliance. DETAILED DESCRIPTION

[0034] As mentioned in the background art, the shelf needs to be additionally fixed and protected during transportation of the refrigeration appliance to prevent the shelf from unexpectedly moving in the compartment and hitting the door, bottle holder and liner during transportation, causing damage.

[0035] Currently, during transportation, refrigeration appliances typically have a protective device placed in front of the shelf (for example, between the shelf and the door). Ribs and grooves are provided on the protective device to secure the front of the shelf, preventing the shelf from moving forward and striking the door due to the refrigeration appliance's shaking. However, the ribs and grooves on existing protective devices are designed solely to secure the shelf, with no additional structural reinforcement along the direction of the shelf's movement (for example, forward movement). This results in poor overall structural strength and packaging cushioning capabilities. Once subjected to a strong impact from the shelf, the protective device is easily deformed, compromising its protective effectiveness.

[0036] To solve the above technical problems, an embodiment of the present disclosure provides a refrigeration appliance, comprising a box body and a door, the box body defining at least one storage chamber, the storage chamber being provided with: a shelf for placing items when the refrigeration appliance is in use; a protective device that fills at least a portion of the area in the storage chamber when the refrigeration appliance is packaged, the protective device having a first surface and a second surface relative to each other; the protective device is provided with at least one reinforcing rib, and for each of the at least one reinforcing rib, the reinforcing rib is formed by protruding from the first surface along a first direction or by protruding from the second surface along a direction opposite to the first direction, wherein the first direction is the direction in which the second surface points to the first surface; the protective device is provided with a slot opening toward the second direction for inserting the shelf to position the shelf, the first direction being perpendicular to the second direction.

[0037] In addition to providing a slot for positioning the shelf tray, the protective device of this embodiment also features additional reinforcing ribs projecting in a first direction or its opposite direction. The first direction is perpendicular to the shelf tray insertion direction (i.e., the second direction) to enhance the overall structural strength of the protective device. Consequently, even if the shelf tray unexpectedly shifts relative to the slot during transport of the refrigeration appliance, for example, impacting the slot forward in the second direction, the ribbed protective device can more reliably withstand the impact force of the shelf tray in the second direction through its own structural performance, reducing the likelihood of deformation of the protective device. This enhanced structural strength of the protective device enhances the packaging's cushioning properties, helping to better withstand external impacts (e.g., the shelf tray), protecting the shelf tray from damage and preventing it from colliding with other internal components of the refrigeration appliance.

[0038] In order to make the above-mentioned objects, features and advantages of the present disclosure more obvious and easy to understand, specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0039] Figure 1 is a schematic diagram of a refrigeration appliance 1 according to an embodiment of the present disclosure. Figure 2 yes Figure 1 A front view of the structure shown, Figure 3 yes Figure 2Cross-sectional view along the AA direction.

[0040] The refrigeration appliance 1 may be a refrigerator, a freezer, a wine cabinet, etc. Figure 1 Taking a refrigerator as an example, this embodiment illustrates this. For ease of presentation, in this embodiment, the width of the refrigeration appliance 1 is referred to as the x-direction, the depth as the y-direction, and the height as the z-direction. In this embodiment, the front-to-back direction refers to the y-direction and its opposite direction. The front or front side refers to the direction facing the user when the refrigeration appliance 1 is in use, and the rear or rear side refers to the direction facing away from the user when the refrigeration appliance 1 is in use.

[0041] The refrigeration appliance 1 can be in a packaged state or in a usable state, and can be switched between the two states as needed. The packaged state is preferably used in the transportation and handling scenarios of the refrigeration appliance 1. Specifically, during the transportation of the refrigeration appliance 1, a protective shell is usually wrapped around the refrigeration appliance 1 to play a collision prevention and buffering role. Corresponding protective devices are also provided inside the refrigeration appliance 1 to fix the internal parts of the refrigeration appliance 1 to prevent the internal parts from shaking and falling during transportation and damaging the door body, inner tank and other structures of the refrigeration appliance 1, thereby facilitating transportation. Figures 1 to 3 The packaged refrigeration appliance 1 is shown as an example. The packaged refrigeration appliance 1 cannot be used directly. After being transported to a suitable location (such as a user's home), the protective shell is removed, and the protective device inside the refrigeration appliance 1 is removed. Then, the refrigeration appliance 1 can be put into use for the user.

[0042] Specifically, refer to Figure 1 The refrigeration appliance 1 may include a housing 10 and a door 11 (e.g. Figure 6 As shown in FIG, the housing 10 defines at least one storage compartment 101. A door 11 is movably connected to the front of the housing 10 to open or close at least a portion of the storage compartment 101. Taking a refrigerator as an example, the storage compartment 101 can be, for example, a freezer compartment, a refrigerator compartment, a temperature-controlled room, or the like. Figure 1 One of the storage compartments 101, such as a cold storage compartment, is shown as an example.

[0043] refer to Figures 1 to 3The inner walls of the storage chamber 101 may include: a top inner wall 101b and a bottom inner wall 101a opposite to each other along the z direction, a pair of side inner walls 101c opposite to each other along the x direction, and a rear inner wall 101d. The top inner wall 101b, the bottom inner wall 101a, the pair of side inner walls 101c, and the rear inner wall 101d together form a storage chamber 101 that opens to the front. Users can put items into the storage chamber 101 through the opening, and can also take items out of the storage chamber 101 through the opening. Furthermore, the outer periphery of the storage chamber 101 may be covered with a shell 102, and an insulating space filled with insulating material is included between the shell 102 and the inner wall of the storage chamber 101. The door 11 may also include an insulating space filled with insulating material. When the door 11 closes the storage chamber 101, the insulating layer formed by the insulating space has the effect of isolating heat, thereby ensuring that the storage chamber 101 has a better refrigeration / freezing effect. Furthermore, a back panel (not shown) may be connected to the front of the rear inner wall 101d. A non-zero gap exists between the back panel and the rear inner wall 101d to form an air duct, and an air outlet (not shown) connected to the air duct is provided on the back panel. In some embodiments, the back panel may be made of metal. In some embodiments, the back panel may also be made of non-metallic materials, such as plastic.

[0044] Furthermore, the storage chamber 101 may be provided with a shelf 12 for placing items when the refrigeration appliance 1 is in use. Figures 1 to 3 Each side inner wall 101c of a pair of side inner walls 101c can be provided with multiple track ribs 121 spaced apart along the z-direction, wherein each track rib 121 extends generally along the y-direction. Two track ribs 121 located at the same height on a pair of side inner walls 101c constitute a pair. When the refrigeration appliance 1 is in use, the shelf 12 can be supported on any pair of track ribs 121. When supported on different pairs of track ribs 121, the shelf 12 is installed at different heights within the storage chamber 101. The user can adjust the installation height of the shelf 12 within the storage chamber 101 according to the desired storage space size. In some embodiments, among the multiple track ribs 121 located on the same side inner wall 101c, the spacing between at least two adjacent track ribs 121 can be different from the spacing between other adjacent track ribs 121. This can enrich the diversity of storage space sizes that can be formed within the storage chamber 101.

[0045] Furthermore, a limiter 123 is provided above each track rib 121. A non-zero gap exists between the limiter 123 and the track rib 121, and a receiving opening 122 is formed in front of the limiter 123 to communicate with the gap. The shelf 12 has opposing front and rear edges along the y-direction. When assembling the refrigeration appliance 1, the rear edge of the shelf 12 is supported on the track rib 121 and pushed in the opposite direction of the y-direction until the rear edge of the shelf 12 enters the gap between the track rib 121 and the limiter 123 through the receiving opening 122. Furthermore, the front and rear edges of the shelf 12 may be covered with a frame for protection and aesthetics.

[0046] When the refrigeration appliance 1 is in use, the frame at the rear edge is adapted to cooperate with the limiting portion 123 to limit the forward movement of the shelf 12 in the y-direction. For example, the frame at the rear edge and the projection of the limiting portion 123 in the y-direction at least partially overlap. When the shelf 12 moves in the y-direction, the frame at the rear edge is interfered with by the limiting portion 123, thereby preventing the shelf 12 from further moving in the y-direction.

[0047] When the refrigeration appliance 1 is in the packaged state, the cooperation between the frame at the rear edge and the limiting portion 123 can, to a certain extent, limit the movement of the shelf 12 in the y-direction. However, considering that the refrigeration appliance 1 may experience significant shaking during transportation, the limiting cooperation between the frame at the rear edge and the limiting portion 123 may fail. Therefore, the refrigeration appliance 1 in this embodiment further includes: a protective device 2 that fills at least a portion of the storage chamber 101 when the refrigeration appliance 1 is in the packaged state, so as to better secure and protect the shelf 12 and prevent the shelf 12 from moving in the y-direction and impacting the door 11 and damaging the door body.

[0048] refer to Figures 1 to 6 The protective device 2 may have a first surface 2a and a second surface 2b that are opposed to each other. In some embodiments, there may be two protective devices 2, symmetrically positioned on a pair of side inner walls 101c of the storage chamber 101. This ensures that the shelf 12 is positioned by the protective devices 2 at both ends along the width direction (e.g., the x-direction) of the refrigeration appliance 1, improving the reliability of the positioning of the shelf 12.

[0049] Specifically, refer to Figure 2 , the first surfaces 2a of the two protection devices 2 are arranged facing each other. That is, the two protection devices 2 are positioned in the storage chamber 101 with their second surfaces 2b facing the inner wall 101c on the side where they are located and their first surfaces 2a facing outward. For example, Figure 4 The left side of the protective device 2 is located at Figure 2 The inner wall 101c on the left side of the middle, Figure 4 The protective device 2 on the right side of the middle is located at Figure 2 The inner wall 101c on the right side of the middle, Figure 5 Exemplary display Figure 4 A schematic diagram of the protective device 2 on the right side in another perspective.

[0050] The two protective devices 2 are arranged bilaterally symmetrically about the central axis of the storage chamber 101 along the x-direction. Their structures are completely symmetrical. Therefore, the following description of the specific structure of the protective devices 2 applies to both protective devices 2. For ease of description, for any protective device 2, the direction from the second surface 2b of the protective device 2 toward the first surface 2a is referred to as the first direction u. Correspondingly, the direction from the first surface 2a toward the second surface 2b is the opposite direction of the first direction u. For two protective devices 2 arranged bilaterally symmetrically along the x-direction, the first directions u of the two protective devices 2 are opposite but parallel to the x-direction.

[0051] In one specific implementation, continue to refer to Figures 1 to 6 The protective device 2 may be provided with at least one reinforcing rib 21. Specifically, the dimension of the protective device 2 along the first surface 2a is significantly greater than the thickness of the protective device 2 (i.e., the dimension along the first direction u). By designing the surface of the protective device 2 (e.g., the first surface 2a, or the second surface 2b) into an uneven structure to form at least one reinforcing rib 21, the thickness of the protective device 2 is increased, thereby improving the structural strength. In some embodiments, the at least one reinforcing rib 21 is preferably a plurality of reinforcing ribs 21, and the plurality of reinforcing ribs 21 may be formed in a grid pattern on the first surface 2a. Thus, reinforcing ribs 21 are arranged across the entire surface of the first surface 2a to enhance the overall structural strength.

[0052] For each of the at least one reinforcing rib 21, the reinforcing rib 21 can be formed by the first surface 2a protruding along the first direction u, or the reinforcing rib 21 can be formed by the second surface 2b protruding in the opposite direction of the first direction u. Specifically, whether the reinforcing rib 21 protrudes toward the first surface 2a or the second surface 2b, it can play a reinforcing role, as long as the first surface 2a exposed to the storage chamber 101 is no longer a large plane. In some embodiments, the specific surface toward which the reinforcing rib 21 protrudes can be designed from the perspectives of mold development complexity, processing cost, etc. For example, the first rib 211 needs to be set on a structure that originally protrudes toward the first surface 2a, then the first rib 211 can be designed to protrude toward the second surface 2b, so that the overall thickness of the protective device 2 can be minimized, saving space in the storage chamber 101.

[0053] Further, continue to refer to Figure 1 、 Figures 3 to 5The protective device 2 may be provided with a slot 22 opening in a second direction v for inserting the shelf 12 to position the shelf. The first direction u is perpendicular to the second direction v. For two protective devices 2 arranged symmetrically along the x-direction, the second directions v of the two protective devices 2 are oriented in the same direction and are both parallel to the y-direction. Furthermore, the first direction u, the second direction v, and the height direction of the refrigeration appliance 1 (e.g., the z-direction) are perpendicular to each other. The second direction v is typically parallel to the depth direction of the refrigeration appliance 1 (e.g., the y-direction), and correspondingly, the first direction u is parallel to the width direction of the refrigeration appliance 1 (e.g., the x-direction). By forming a convex and concave shape on the first surface 2a and / or the second surface 2b of the protective device 2 relative to a surface perpendicular to the width direction (e.g., the plane defined by the y-direction and the z-direction) to form reinforcing ribs 21, the overall structural strength of the protective device 2 along the depth direction (i.e., the y-direction) can be enhanced, thereby better achieving the packaging cushioning function.

[0054] For example, reference Figure 3 , the slot 22 can be opened on the edge of the first surface 2a and the second surface 2b facing the shelf 12. In other words, the protective device 2 is located in front of the shelf 12 as a whole, and the size of the protective device 2 in the y direction is significantly larger than the size in the x direction. When the refrigeration appliance 1 is in the packaging state, the protective device 2 is padded between the door 11 and the shelf 12. During assembly, after the shelf 12 is supported on the track rib 121, the protective device 2 is placed into the storage chamber 101 with the slot 22 facing the storage chamber 101. As the protective device 2 moves in the opposite direction along the y direction, the shelf 12 enters the slot 22 to achieve positioning. Thus, the slot 22 is opened on the narrow side of the protective device 2, and the large surface of the protective device 2 is provided with reinforcing ribs 21 to increase the overall structural strength.

[0055] In some embodiments, the edge of the protective device 2 may be provided with a plurality of slots 22 spaced apart. The number of slots 22 may correspond to the number of track ribs 121 provided on the side inner wall 101c. Specifically, the plurality of slots 22 corresponds to the plurality of track ribs 121. When the protective device 2 is positioned within the storage chamber 101, the projection of each track rib 121 along the y-direction falls within the area where the corresponding slot 22 is located.

[0056] In one specific implementation, reference Figure 4 and Figure 5For the reinforcement rib 21 formed by the first surface 2a protruding along the first direction u, the second surface 2b corresponding to the reinforcement rib 21 is recessed along the first direction u to form a groove 23. Similarly, for the reinforcement rib 21 formed by the second surface 2b protruding in the direction opposite to the first direction u, the first surface 2a corresponding to the reinforcement rib 21 is recessed in the direction opposite to the first direction u to form a groove 23. In other words, the thickness of the protective device 2 is substantially similar at all locations, which can be understood as a plate-like member with at least one reinforcement rib 21 formed by protrusions or depressions at different locations. This facilitates processing, reduces material consumption, is low-carbon, and contributes to resource and energy conservation.

[0057] In a specific embodiment, the protective device 2 can be made by processing paper pulp. For example, a paste-like paper pulp material can be injection molded to obtain a protective device 2. Figure 4 and Figure 5 The protective device 2 shown. The protective device 2 made of pulp material can be recycled and reused, which is more environmentally friendly.

[0058] In one specific implementation, reference Figure 1 、 Figures 3 to 5 The multiple reinforcing ribs 21 can be distributed on different sides of the slot 22. Specifically, the slot 22 can include a bottom wall 221 and a pair of side walls (referred to as a first side wall 222 and a second side wall 223). The bottom wall 221, the first side wall 222, and the second side wall 223 together form a slot 22 that is open in the second direction v. The first side wall 222 is located above the second side wall 223 along the z-direction.

[0059] Furthermore, reinforcing ribs 21 may be provided in front of the bottom wall 221, above the first side wall 222, and below the second side wall 223. This strengthens the structural strength of the slot 22 so that the slot 22 can better resist the impact of the tray 12.

[0060] In some embodiments, the slot 22 itself can be provided on a raised structure of the protective device 2 that protrudes along the first direction u (this raised structure can also be considered a type of reinforcing rib 21 to a certain extent). Accordingly, the raised structure can be recessed in the direction opposite to the first direction u to form the reinforcing rib 21 on the second surface 2b. In other words, the reinforcing rib 21 disposed around the slot 22 can be located on the second surface 2b, correspondingly forming a groove 23 on the first surface 2a.

[0061] In one specific implementation, reference Figure 1 、 Figures 3 to 5 The reinforcing rib 21 may include a first rib 211 extending from the bottom wall 221 of the slot 22 along the second direction v toward a direction away from the slot 22. Specifically, compared to the second side wall 223, the first rib 211 may be disposed closer to the first side wall 222.

[0062] Furthermore, when the refrigeration appliance 1 is in the packaged state, the projections of the first rib 211 and the shelf 12 along the depth direction (e.g., the y-direction) of the refrigeration appliance 1 at least partially overlap. Furthermore, the portion of the shelf 12 inserted into the slot 22 is positioned with the first side wall 222 and the bottom wall 221, respectively.

[0063] Therefore, the first rib 211 is provided at a corresponding position in front of the shelf 12 to specifically strengthen the structural strength of the area of ​​the protective device 2 that is most likely to be impacted by the shelf 12 .

[0064] In some embodiments, each slot 22 defined along the edge of the protective device 2 facing the shelf tray 12 may be provided with a first rib 211 in front of the bottom wall 221 of the slot 22. During assembly on the production line, workers can place the shelf tray 12 on the track rib 121 at any height. Regardless of which slot 22 of the protective device 2 the shelf tray 12 is actually inserted into, the slot 22 that actually positions the shelf tray 12 is reinforced with the first rib 211 along the y-direction, ensuring a superior cushioning effect against impacts to the shelf tray 12 along the y-direction.

[0065] Furthermore, the first ribs 211 provided in front of the bottom wall 221 of each slot 22 protrude from the second surface 2b in the opposite direction of the first direction u, that is, each first rib 211 is a groove 23 on the first surface 2a. Figure 4 and Figure 5 In practical applications, at least one first rib 211 may protrude from the first surface 2a along the first direction u, and correspondingly appear as a groove 23 on the second surface 2a.

[0066] In one specific implementation, continue to refer to Figure 1 、 Figures 3 to 5 The reinforcing ribs 21 may include multiple second ribs 212, each of which extends along the height direction (e.g., the z-direction) of the refrigeration appliance 1. Specifically, each of the multiple second ribs 212 may extend along the z-direction substantially to the upper end 24 and the lower end 25 of the guard 2. In other words, the second ribs 212 are continuously provided along the entire height direction of the guard 2.

[0067] Furthermore, multiple second ribs 212 are spaced apart along the second direction v. For example, the first surface 2a can have an undulating pattern along the second direction v, and correspondingly, the second surface 2b can have an undulating pattern along the second direction v. Protruding structures on the first surface 2a along the first direction u form second ribs 212, and grooves 23 are formed in corresponding areas on the second surface 2b. Protruding structures on the second surface 2b in the opposite direction of the first direction u form second ribs 212, and grooves 23 are formed in corresponding areas on the first surface 2a.

[0068] In this way, the structural strength of the protective device 2 in the height direction (for example, the z direction) of the refrigeration appliance 1 can be enhanced.

[0069] In some embodiments, at least one of the plurality of second ribs 212 can be formed protruding from the first surface 2a along the first direction u, while the other plurality of second ribs 212 can be formed protruding from the second surface 2b in the direction opposite to the first direction u. In other words, second ribs 212 can be formed on both the first surface 2a and the second surface 2b. This allows full utilization of the dimensions of the protective device 2 in the y and z directions to maximize the number of reinforcing ribs 21 formed.

[0070] In one specific implementation, continue to refer to Figure 1 、 Figures 3 to 5 The projection of at least one second rib 212 along the height direction (for example, the z direction) of the refrigeration appliance 1 falls into the area where the slot 22 is located.

[0071] Specifically, the at least one second rib 212 may include a rib extending upward in the z-direction from the first side wall 222. When the refrigeration appliance 1 is in the packaged state, the first side wall 222 presses against the portion of the shelf 12 inserted into the slot 22, thereby cooperating with the track rib 121 to limit the movement of the shelf 12 in the z-direction. Providing the second rib 212 above the first side wall 222 can increase the structural strength of the first side wall 222.

[0072] Furthermore, the at least one second rib 212 may include a rib extending downward along the z-direction from the second sidewall 223 . Furthermore, the second sidewall 223 of the upper slot 22 and the first sidewall 222 of the lower slot 22 may be connected via the second rib 212 .

[0073] Thus, the structural strength of the pair of side walls of the slot 22 is specifically strengthened, and when the shelf 12 shakes relative to the slot 22 , the deformation of the slot 22 can be reduced, thereby maintaining the positioning effect of the slot 22 on the shelf 12 .

[0074] In some embodiments, one or more second ribs 212 among the plurality of second ribs 212 whose projections along the z-direction overlap with the slots 22 may protrude from the second surface 2b in the direction opposite to the first direction u, thereby forming a groove 23 on the first surface 2a. Furthermore, the remaining one or more second ribs 212 among the plurality of second ribs 212 may protrude from the first surface 2a in the first direction u, thereby forming a groove 23 on the second surface 2b; or may protrude from the second surface 2b in the direction opposite to the first direction u, thereby forming a groove 23 on the first surface 2a.

[0075] In one specific implementation, continue to refer to Figure 1 、 Figures 3 to 5The reinforcing ribs 21 may include multiple third ribs 213, each of which extends along the second direction v. Specifically, each of the multiple third ribs 213 may extend along the second direction v (parallel to the y-direction) substantially to the front and rear edges of the guard 2. In other words, the third ribs 213 are continuously provided across the entire width of the guard 2.

[0076] Furthermore, multiple third ribs 213 are spaced apart along the height direction (e.g., the z-direction) of the refrigeration appliance 1. For example, the first surface 2a may have an undulating structure along the z-direction, and correspondingly, the second surface 2b may have an undulating structure along the z-direction. Protrusions along the first direction u on the first surface 2a form third ribs 213, and grooves 23 are formed in corresponding areas on the second surface 2b. Protrusions along the direction opposite to the first direction u on the second surface 2b form third ribs 213, and grooves 23 are formed in corresponding areas on the first surface 2a.

[0077] In this way, the structural strength of the protection device 2 in the second direction v can be enhanced.

[0078] In some embodiments, the plurality of third ribs 213 may all protrude from the first surface 2a along the first direction u. Figure 4 The structure between adjacent third ribs 213 protrudes from the second surface 2b in the opposite direction of the first direction u, and can also function as a reinforcing rib 21 to a certain extent.

[0079] In some embodiments, the first rib 211 may be formed on the second rib 212. Specifically, the second rib 212 may protrude from the first surface 2a along the first direction u, and a groove 23 may be formed on the second surface 2b at a position corresponding to the second rib 212. One of a pair of side walls of the groove 23 corresponding to the second rib 212, which are opposite in the second direction v, forms the bottom wall 221 of the slot 22. Furthermore, the first rib 211 may be formed by the bottom wall of the groove 23 corresponding to the second rib 212 protruding toward the second surface 2b in a direction opposite to the first direction u, with the groove 23 formed on the first surface 2a at a position corresponding to the first rib 211.

[0080] In some embodiments, the first rib 211 can be formed on the third rib 213. Specifically, the third rib 213 can protrude from the first surface 2a along the first direction u, and the second surface 2b has a groove 23 formed at a position corresponding to the third rib 213. Furthermore, the first rib 211 can be formed by the bottom wall of the groove 23 corresponding to the third rib 213 protruding toward the second surface 2b in the opposite direction of the first direction u, and the groove 23 is formed on the first surface 2a at a position corresponding to the first rib 211.

[0081] Furthermore, the first rib 211 may be disposed at the intersection of the second rib 212 and the third rib 213 .

[0082] In one specific implementation, continue to refer to Figure 1 、 Figures 3 to 5 The distance between the pair of side walls of the slot 22 may be greater than the thickness of the shelf 12. Specifically, the distance from the first side wall 222 to the second side wall 223 of the slot 22 may be greater than the thickness of the shelf 12 along the z direction.

[0083] Furthermore, when the refrigeration appliance 1 is in the packaged state, the shelf 12 is positioned with the bottom wall 221 and the first side wall 222 of the slot 22 , respectively, and a non-zero gap exists between the second side wall 223 and the shelf 12 .

[0084] That is, the opening of the slot 22 is larger than the thickness of the shelf 12 . After the shelf 12 is inserted into the slot 22 , it is mainly positioned with the first side wall 222 and the upper area of ​​the bottom wall 221 of the slot 22 .

[0085] Thus, by appropriately enlarging the opening of the slot 22 , the shelf 12 can be quickly aligned and inserted into the opening during assembly.

[0086] In some embodiments, the refrigeration appliance 1 may further include a protective bag 3, which is sleeved on the protective device 2. Figure 5 As shown by the dashed line, the protective bag 3 can be, for example, a plastic bag. The protective device 2 is preferably made of paper pulp. During transportation of the refrigeration appliance 1, it can easily break due to friction with the inner wall of the storage chamber 101, the drawer 103, or the shelf 111 (e.g., a bottle rack) on the door 11. In this embodiment, the protective bag 3 is used to cover the protective device 2. This prevents the protective device 2 from dropping debris and contaminating the interior of the storage chamber 101 if it is impacted.

[0087] During assembly on the production line, a protective bag 3 can be placed around the outer periphery of the protective device 2. The protective bag 3 has an adhesive backing. After removing the adhesive backing, the protective bag 3 can be sealed to seal the protective device 2. The pre-assembly consisting of the protective bag 3 and the protective device 2 is then assembled into the storage chamber 101 to position the shelf 12.

[0088] Furthermore, holes can be opened on the surface of the protective bag 3 to facilitate exhaust during the assembly process.

[0089] Furthermore, the enlarged slot 22 makes it easier to assemble the protective device 2 in place during the assembly process, thereby preventing the protective device 2 from interfering with the door 11 when the door 11 is closed due to insufficient depth of the protective device 2 inserted into the storage chamber 101 along the y direction. Figure 7 After the protective bag 3 is provided on the outer surface of the protective device 2, the structure at the slot 22 is as follows: Figure 7 As shown in view (a) of FIG, as the protective device 2 is placed into the storage chamber 101 along the y direction, the enlarged slot 22 can provide sufficient deformation space for the protective bag 3 at the slot 22 when the shelf 12 extends into the slot 22, ensuring that the protective device 2 can be quickly installed in place, as shown in FIG. Figure 7 As shown in view (b) of FIG. 1 , the protective device 2 is installed in place and is sufficiently inserted into the storage chamber 101 , that is, the shelf 12 and the bottom wall 221 of the slot 22 are in contact with or against each other.

[0090] In one specific implementation, continue to refer to Figure 1 、 Figures 3 to 5 The opening sizes of the multiple slots 22 spaced apart along the z-direction can vary. That is, the spacing between the first sidewalls 222 and the second sidewalls 223 of different slots 22 can vary. For example, two of the multiple slots 22 can have openings significantly larger than the remaining slots 22, and multiple slots 22 with smaller openings can be disposed between these two slots 22. Slots 22 with larger openings can correspond to track ribs 121 that are farther away from adjacent track ribs 121, while slots 22 with smaller openings can correspond to track ribs 121 that are more closely spaced along the z-direction.

[0091] Furthermore, for the two slots 22 with larger openings, the opening sizes of the two slots 22 may also be different. For example, the opening size of the slot 22 located at the top along the z direction may be larger than the opening size of the slot 22 located at the bottom.

[0092] Furthermore, the first sidewall 222 and the second sidewall 223 of at least one of the plurality of slots 22 may be parallel to the second direction v. For example, among the two slots 22 with larger openings, the first sidewall 222 and the second sidewall 223 of the upper slot 22 may extend in parallel.

[0093] Furthermore, at least one of the multiple slots 22 can be bell-shaped. For example, of the two slots 22 with larger openings, the second sidewall 223 of the lower slot 22 can extend obliquely from the bottom wall 221 along the second direction v and away from the first sidewall 222. This increases the size of the structure between the bell-shaped slot 22 and the slot 22 below it in the z-direction at the root region (i.e., the region near the bottom wall 221). This prevents the shelf 12 from impacting the root region upward and causing structural deformation when the slot 22 below the bell-shaped slot 22 is positioned with a shelf 12. Thus, the slot 22 has a bell-shaped design on the side not required for positioning, effectively increasing the opening size while also improving the structural strength of the portion of the protective device 2 where the slot 22 is formed.

[0094] Furthermore, for the slots 22 with smaller openings, the first side wall 222 and the second side wall 223 of the slots 22 can be connected by a bottom plate 224. Thus, a plurality of adjacent slots 22 with smaller openings can be connected together by the bottom plate 224, thereby improving the structural strength of the slots 22 and reducing the possibility of deformation caused by collision with the tray 12 due to the small height of a single slot 22.

[0095] In some embodiments, assuming that there are two shelves 12 provided in the storage chamber 101, when the refrigeration appliance 1 is in the packaged state, the two shelves 12 are preferably mounted on the rail ribs 121 corresponding to the two slots 22 with larger openings. Of course, in actual applications, the number of shelves 12 provided in the storage chamber 101 can be flexibly adjusted as needed (e.g., for user customization). If more than two shelves 12 are provided, in addition to the two slots 22 with larger openings, the remaining slots 22 with smaller openings can also serve as actual positioning and cushioning protection.

[0096] In one specific implementation, continue to refer to Figures 3 to 5 The protection device 2 can be positioned in the storage chamber 101 along the height direction (eg, z-direction) of the refrigeration appliance 1. Specifically, the protection device 2 has an upper end 24 and a lower end 25 opposite to each other along the z-direction.

[0097] Furthermore, the lower end 25 is provided with a rib 251 that protrudes along the second direction v. When the refrigeration appliance 1 is in the packaged state, the rib 251 cooperates with the mating portion within the storage chamber 101 to limit the relative movement of the protective device 2 and the storage chamber 101 in the z-direction. For example, the storage chamber 101 may also be provided with a drawer 103, a storage shelf 13, etc. These components are also used to store items when the refrigeration appliance 1 is in use. The drawer 103 and the storage shelf 13 are located below all the track ribs 121, and a non-zero gap may be provided between the drawer 103 and the storage shelf 13, which is suitable for forming a mating portion.

[0098] During assembly, first secure the drawer 103 and storage shelf 13 to the inner wall of the storage chamber 101 (e.g., the side inner wall 101c), then attach the tray 12 to the rail ribs 121. Next, insert the protective device 2 (enclosed in a protective bag 3) into the storage chamber 101 with the slot 22 facing rearward and the second surface 2b facing the side inner wall 101c. The rib 251 at the lower end 25 extends into the gap between the drawer 103 and the storage shelf 13, with the slot 22 inserted toward the tray 12 until the tray 12 approaches the bottom wall 221.

[0099] Ideally, during the insertion of the protective device 2 into the storage chamber 101, the upper end 24 of the protective device 2 maintains surface-to-surface contact with the top inner wall 101b of the storage chamber 101, thereby positioning the protective device 2 vertically within the storage chamber 101. However, the processing precision of the protective device 2 made of pulp material is low, and the surface roughness and dimensional accuracy of the product are poorly controlled. As a result, during the actual assembly process, the gap between the upper end 24 and the top inner wall 101b of the protective device 2 after the lower end is positioned is uncontrollable, resulting in the protective device being too tight to be assembled, too loose to be securely fixed, and even loose and falling on the production line.

[0100] Therefore, in this embodiment, the protective device 2 is provided with a plurality of upwardly protruding ribs 26 spaced along the second direction v on at least the top surface 2c to compensate for the aforementioned uncontrollable factors and utilize the ribs 26 to fill the uncontrollable assembly gap. Specifically, the provision of the ribs 26 imparts a certain degree of elasticity to the upper end 24 of the protective device 2. After the ribs 251 and the mating portion are positioned, if the gap between the top surface 2c of the protective device 2 and the top inner wall 10b is too large, the height of the ribs 26 is sufficient to effectively fill the gap. If the gap between the top surface 2c of the protective device 2 and the top inner wall 10b is too small, the ribs 26 have a certain amount of room to deform and still effectively accommodate the gap.

[0101] As a result, during assembly of the refrigeration appliance 1, the protective device 2 with the additional ribs 26 is easier to install, preventing the shelf 12 from shaking and improving the fixing effect of the shelf 12 during transportation of the refrigeration appliance 1. Furthermore, the structure of adding ribs 26 to the top surface 2c of the protective device 2 also helps to increase the strength, stability and practicality of the protective device 2, and improves the shock absorption capability during transportation and handling of the refrigeration appliance 1.

[0102] In some embodiments, the difference between the storage shelf 13 and the shelf 12 is that the height of the former in the storage chamber 101 is not adjustable, while the height of the latter can be adjusted by being supported on track ribs 121 at different heights.

[0103] In some embodiments, the protective device 2 is further provided with a mounting portion 252 near the lower end 25. When the refrigeration appliance 1 is in the packaged state, the mounting portion 252 abuts against the upper surface of the storage shelf 13. Thus, the rib 251 and the mounting portion 252 cooperate to position the storage shelf 13 front to back and up to down.

[0104] In one specific implementation, reference Figure 2 and Figure 6 For the reinforcing rib 21 formed by protruding along the first direction u from the first surface 2a, the extent of the protrusion along the first direction u increases as the area of ​​the reinforcing rib 21 closer to the slot 22 along the second direction v. For example, for the third rib 213 formed on the first surface 2a, the extent of the protrusion along the first direction u increases as the area of ​​the third rib 213 closer to the slot 22. In other words, the bottom wall of the groove 23 formed by the third rib 213 in the corresponding area of ​​the second surface 2b forms a non-zero angle with the plane formed by the y-direction and the z-direction.

[0105] Furthermore, with respect to the multiple reinforcing ribs 21 formed by protrusions along the first direction u from the first surface 2a, the multiple reinforcing ribs 21 are spaced apart along the second direction v. The closer the ribs 21 are to the slots 22, the greater the extent of their protrusion along the first direction u. For example, among the multiple second ribs 212 formed on the first surface 2a, the closer the second ribs 212 are to the slots 22, the greater the extent of their protrusion along the first direction u. In other words, the bottom wall of the groove 23 formed by the second ribs 212 in the corresponding area of ​​the second surface 2b forms a non-zero angle with the plane defined by the y-direction and the z-direction.

[0106] Further, continue to refer to Figure 6 The cross-section of the first surface 2a along the first plane generally extends obliquely along a first direction u and a second direction v. The first plane is perpendicular to the height direction (i.e., the z-direction) of the refrigeration appliance 1. This allows for the avoidance of other components within the storage compartment 101. For example, the shelf 111 on the door 11 requires space within the storage compartment 101 when the door 11 is closed. This embodiment utilizes the special design of the reinforcing ribs 21 to avoid this. The shelf 111 can be, for example, a bottle rack or an egg rack.

[0107] As described above, in this embodiment, in addition to the slot 22 for positioning the shelf tray 12, the protective device 2 also includes reinforcing ribs 21 projecting along a first direction u or its opposite direction. The first direction u is perpendicular to the insertion direction of the shelf tray 12 (i.e., the opposite direction of the second direction v) to enhance the overall structural strength of the protective device 2. Consequently, even if the shelf tray 12 unexpectedly displaces relative to the slot 22 during transport of the refrigeration appliance 1, for example, by impacting the slot 22 forward in the y-direction, the protective device 2 with the reinforcing ribs 21 can more reliably withstand the impact force of the shelf tray 12 in the y-direction, reducing the possibility of deformation of the protective device 2. This enhanced structural strength of the protective device 2 enhances the packaging's cushioning properties, helping to better withstand external impacts (e.g., the shelf tray 12), protecting the shelf tray 12 from damage and preventing it from colliding with other internal components of the refrigeration appliance 1.

[0108] In one variation, the number of protective devices 2 provided in the storage chamber 101 may be one. For example, the protective device 2 may be provided only on the left or right side of the storage chamber 101 to position the left or right end of the shelf 12 along the x-direction. Conversely, the right or left end of the shelf 12 along the x-direction may be fixed to the inner side wall 101c on that side using a fixing member such as tape.

[0109] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the present disclosure, even when a single embodiment is described only with respect to specific features. The feature examples provided in this disclosure are intended to be illustrative, not limiting, unless otherwise stated. In specific implementations, the technical features of one or more dependent claims may be combined with the technical features of the independent claims, and the technical features from the corresponding independent claims may be combined in any appropriate manner rather than just by the specific combinations listed in the claims. Although the present disclosure is disclosed as above, the present disclosure is not limited thereto. Any person skilled in the art may make various changes and modifications without departing from the spirit and scope of the present disclosure, and therefore the scope of protection of the present disclosure shall be based on the scope defined by the claims.

Claims

1. A refrigeration appliance, comprising a housing (10) and a door (11), wherein the housing (10) defines at least one storage chamber (101), wherein the storage chamber (101) is provided with: A shelf (12) for placing items when the refrigeration appliance is in use; A protective device (2) for filling at least a partial area of ​​the storage chamber (101) in the packaged state of the refrigeration appliance, the protective device (2) having a first surface (2a) and a second surface (2b) facing each other; characterized in that: The protective device (2) is provided with at least one reinforcing rib (21), and for each of the at least one reinforcing rib (21), the reinforcing rib (21) is formed by the first surface (2a) protruding along a first direction or by the second surface (2b) protruding along a direction opposite to the first direction, wherein the first direction is the direction in which the second surface (2b) points toward the first surface (2a); The protective device (2) is provided with a slot (22) opening toward a second direction for inserting the shelf plate (12) to position the shelf plate (12), the first direction being perpendicular to the second direction.

2. The refrigeration appliance according to claim 1, characterized in that The first direction, the second direction and the height direction of the refrigeration appliance are perpendicular to each other; and / or The slot (22) is opened on the edge of the first surface (2a) and the second surface (2b) facing the shelf (12); and / or For a reinforcing rib (21) formed by the first surface (2a) protruding along a first direction, the second surface (2b) corresponding to the reinforcing rib (21) is recessed along the first direction to form a groove (23); and / or For a reinforcing rib (21) formed by the second surface (2b) protruding in a direction opposite to the first direction, the first surface (2a) corresponding to the reinforcing rib (21) is recessed in a direction opposite to the first direction to form a groove (23); and / or The protective device (2) is obtained by processing paper pulp.

3. The refrigeration appliance according to claim 1, characterized in that: The plurality of reinforcing ribs (21) are distributed on different sides of the slot (22); and / or the plurality of reinforcing ribs (21) are formed in a grid shape on the first surface (2a).

4. The refrigeration appliance according to claim 1 or 3, characterized in that: The reinforcing rib (21) comprises: A first rib (211) extends from the bottom wall (221) of the slot (22) along the second direction, wherein projections of the first rib (211) and the shelf (12) along the depth direction of the refrigeration appliance at least partially overlap.

5. The refrigeration appliance according to claim 1 or 3, characterized in that: The reinforcing rib (21) comprises: A plurality of second ribs (212), each second rib (212) extending along a height direction of the refrigeration appliance, and the plurality of second ribs (212) are arranged at intervals along the second direction.

6. The refrigeration appliance according to claim 5, characterized in that: The projection of at least one second rib (212) along the height direction of the refrigeration appliance falls within the area where the slot (22) is located.

7. The refrigeration appliance according to claim 1 or 3, characterized in that: The reinforcing rib (21) comprises: A plurality of third ribs (213), each of the third ribs (213) extending along the second direction, and the plurality of third ribs (213) being arranged at intervals along the height direction of the refrigeration appliance.

8. The refrigeration appliance according to claim 1, characterized in that: The spacing between a pair of side walls of the slot (22) is greater than the thickness of the shelf (12); and / or the slot (22) has a first side wall (222) and a second side wall (223) opposite to each other, the shelf (12) is positioned relative to the bottom wall (221) of the slot (22) and the first side wall (222), and the second side wall (223) has a non-zero gap with the shelf (12).

9. The refrigeration appliance according to claim 8, characterized in that: The second side wall (223) extends obliquely from the bottom wall (221) along the second direction and in a direction away from the first side wall (222).

10. The refrigeration appliance according to claim 1, characterized in that: Also includes: The protective bag (3) is sleeved on the protective device (2).

11. The refrigeration appliance according to claim 1, characterized in that: The protective device (2) is positioned in the storage chamber (101) along the height direction of the refrigeration appliance, and the protective device (2) is provided with a plurality of upwardly protruding ribs (26) at intervals along the second direction on at least the top surface (2c).

12. The refrigeration appliance according to claim 1, characterized in that For the reinforcing rib (21) formed by the first surface (2a) protruding along the first direction, along the second direction, the closer the area of ​​the reinforcing rib (21) is to the slot (22), the greater the protrusion amplitude along the first direction; and / or For a plurality of reinforcing ribs (21) formed by the first surface (2a) protruding along the first direction, the plurality of reinforcing ribs (21) are arranged at intervals along the second direction, wherein the reinforcing ribs (21) closer to the slot (22) in the plurality of reinforcing ribs (21) protrude more greatly along the first direction; and / or The first surface (2a) extends obliquely along the first direction and the second direction along a cross section of a first plane, and the first plane is perpendicular to the height direction of the refrigeration appliance.

13. The refrigeration appliance according to claim 1, characterized in that The number of the protective devices (2) is two, and the two protective devices (2) are symmetrically positioned on a pair of side inner walls (101c) of the storage chamber (101), wherein the first surfaces (2a) of the two protective devices (2) are arranged facing each other.

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