Folding storage cabinet capable of being flexibly assembled into different layers

Abstract

The utility model provides a folding storage cabinet capable of being flexibly assembled into different layers, and belongs to the technical field of household articles. The folding storage cabinet solves the problem that existing folding storage cabinets with partial sizes are high in packaging, storage and transportation cost. The folding storage cabinet capable of being flexibly assembled with different layer numbers comprises a foldable cabinet body and an assembled cabinet door, wherein the assembled cabinet door comprises a door frame and a door plate; the door frame comprises a plurality of door frame sections arranged up and down, each door frame section can be fixedly connected with the side wall assembly through a first detachable structure, and every two adjacent door frame sections up and down can be fixedly connected through a second detachable connecting structure. Each door plate comprises a plurality of door plate sections which are arranged up and down, and every two door plate sections which are adjacent up and down can be fixedly connected through a third detachable connecting structure. The door frame and the door plate in the folding storage cabinet are sectioned in the height direction, so that the height of each section of the door frame and the door plate is smaller than the width or depth of the storage cabinet, and the packaging, storage and transportation cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of household articles, and relates to a folding storage cabinet, in particular to a folding storage cabinet capable of being flexibly assembled into different layers. BACKGROUND

[0002] The storage cabinet is a common storage container in a family, and usually comprises a cabinet body and a cabinet door. The front side wall of the cabinet body is of an open structure. In order to reduce the packaging size of the storage cabinet and reduce the storage and transportation costs, various folding storage cabinets have been proposed. For example, a folding storage cabinet (application number 202320681318.5) is disclosed in the Chinese patent document, which comprises a group of bottom folding storage units, at least a group of middle folding storage units, a top cover and a door panel. The folding storage cabinet can be flexibly assembled into a folding storage cabinet with 2, 3 or 4 layers.

[0003] In order to meet the packaging requirements of the door panel together with the bottom folding storage units and the middle folding storage units, the height of the door panel is usually slightly smaller than the width of the storage cabinet. The above-mentioned relationship between the height of the door panel and the width of the storage cabinet has limited the diversity of the size of the folding storage cabinet, and thus cannot meet the needs of consumers. Although the skilled person in the art can easily think of using any numerical value for the height and width of the folding storage cabinet to meet the needs of consumers, the relationship between the height of the door panel of the folding storage cabinet and the width of the storage cabinet does not conform to the above-mentioned size requirements, which will affect the packaging, storage and transportation costs of the storage cabinet and reduce the market competitiveness. SUMMARY

[0004] The utility model discloses a folding storage cabinet capable of being flexibly assembled into different layers, and the technical problem to be solved by the utility model is how to reduce the packaging, storage and transportation costs of the folding storage cabinet with different layers and different width-height ratios.

[0005] The technical problem to be solved by the utility model can be solved by the following technical scheme: the folding storage cabinet capable of being flexibly assembled into different layers comprises a foldable cabinet body and an assembled cabinet door. The front side of the cabinet body is of an open structure. The cabinet body comprises a bottom plate, a top plate, a plurality of side wall assemblies arranged between the bottom plate and the top plate and arranged in an up-down manner, and a middle connecting frame for connecting the upper and lower side wall assemblies. The assembled cabinet door comprises a door frame and one or more door panels rotatably connected to the door frame. The door frame comprises a plurality of door frame segments arranged in an up-down manner. Each door frame segment is fixedly connected to the side wall assembly through a first detachable structure. The adjacent two door frame segments are fixedly connected through a second detachable connecting structure. Each door panel comprises a plurality of door panel segments arranged in an up-down manner. The door panel segments of each door panel are arranged one by one with the door frame segments. The adjacent two door panel segments are fixedly connected through a third detachable connecting structure.

[0006] The door frames and door panels in the folding storage cabinet are segmented in the height direction, so that the height of each door frame and door panel is less than the width or depth of the storage cabinet. In this way, each door frame and door panel can be stacked on the cabinet body in the folded state, so that folding storage cabinets with different numbers of layers and different aspect ratios can package the cabinet body and cabinet doors together, and the packaging length and width are consistent with the width and depth of the cabinet body in the folded state, thereby reducing packaging, warehousing and transportation costs.

[0007] By selecting door frame segments that match the number of side wall components and connecting the door frame segments vertically using the second detachable connection structure, a door frame that matches the opening height is formed. By selecting door panel segments that match the number of side wall components and connecting the door panel segments vertically using the third detachable connection structure, a door panel that matches the opening height is formed. The door frame is secured to the expanded cabinet body using the first detachable structure to form a storage cabinet. By adaptively adjusting the number of side wall components, door frame segments, and door panel segments, storage cabinets with different numbers of layers can be obtained, i.e., cabinets with the same internal width and depth but different heights can be obtained.

[0008] Each door frame section is fixedly connected to the corresponding side wall assembly. The door frame and the cabinet body interact with each other, which not only reduces the deformation of the door frame, but also reduces the deformation of the cabinet body, thereby improving the strength and load-bearing capacity of the storage cabinet.

[0009] The fixed connection between the upper and lower adjacent door frame sections not only allows for the integrated installation and removal of the cabinet door, improving assembly convenience, but also enhances the strength and load-bearing capacity of the storage cabinet. The fixed connection between the upper and lower adjacent door panel sections not only allows for the integrated rotation of the door panel, improving the ease of access, but also enhances the strength and load-bearing capacity of the door back panel, as well as the strength and load-bearing capacity of the storage cabinet.

[0010] In the above-mentioned folding storage cabinet that can be flexibly assembled with different numbers of layers, the side wall assembly includes a left side wall, a right side wall and a rear side wall, the left side wall and the left edge of the rear side wall are connected by a detachable structure, and the right side wall and the right edge of the rear side wall are also connected by a detachable structure; the door frame is divided into multiple door frame sections along the height direction, and the door frame sections are fixedly connected to the left and right walls of the side wall assembly through a first detachable structure.

[0011] In the above-mentioned folding storage cabinet that can be flexibly assembled with different numbers of layers, the rear side surface of the door frame has an annular plug-in groove, and the bottom plate, top plate, left wall and right side wall of the cabinet body all have plug-in joints that are compatible with the plug-in groove, and the plug-in joints are embedded in the plug-in groove; the door frame section and the cabinet body are also connected by an auxiliary fastening structure, and multiple groups of fastening structures are arranged along the height direction.

[0012] In the above-mentioned folding storage cabinet that can be flexibly assembled with different numbers of layers, the auxiliary fastening structure is a buckle structure, which includes a buckle that is rotatably connected to the cabinet body, a buckle is provided with a buckle groove, and the door frame section has a buckle joint portion that is adapted to the buckle groove; when the buckle is rotated to embed the buckle joint portion into the buckle groove, the door frame section is fixedly connected to the cabinet body; when the buckle is rotated to disengage the buckle joint portion from the buckle groove, the door frame can be separated from the cabinet body; or the auxiliary fastening structure is a screw connection structure.

[0013] In the above-mentioned folding storage cabinet that can be flexibly assembled with different numbers of layers, the second detachable connection structure includes a connecting block, which is connected to the upper and lower adjacent door frame sections by fasteners; the door frame section has a connecting groove that is compatible with the connecting block, and the connecting block is embedded in the connecting groove.

[0014] In the above-mentioned folding storage cabinet that can be flexibly assembled with different numbers of layers, the third detachable connection structure includes a door panel connecting section located between two adjacent upper and lower door panel sections, the upper side of the door panel connecting section is connected to the upper door panel section by a fastener, and the lower side of the door panel connecting section is also connected to the lower door panel section by a fastener.

[0015] In the above-mentioned folding storage cabinet that can be flexibly assembled with different numbers of layers, the upper side of the door panel connecting section is connected to the door panel section located above by an auxiliary positioning structure, and the lower side of the door panel connecting section is also connected to the door panel section located below by an auxiliary positioning structure.

[0016] In the above-mentioned folding storage cabinet that can be flexibly assembled with different numbers of layers, the door panel section located at the bottom and the door panel section located at the top are rotatably connected to the door frame, and the end of the door frame section has a rotating connection part, and one end of the door panel connection section is connected to the rotating connection part.

[0017] In the above-mentioned folding storage cabinet that can be flexibly assembled with different numbers of layers, the assembled cabinet door also includes a strip-shaped handle, which is arranged along the height direction and is fixedly connected to each door panel; the handle includes multiple sections of pulling means arranged up and down, and the pulling means are arranged one-to-one corresponding to the door panel sections, and the pulling means are fixedly connected to the door panel sections; the upper and lower adjacent sections of pulling means can be fixedly connected by a fourth detachable connecting structure.

[0018] In the above-mentioned folding storage cabinet that can be flexibly assembled with different numbers of layers, the fourth detachable connection structure includes a handle connecting section located between two adjacent upper and lower pulling means, the handle connecting section is connected to the upper pulling means by a fastener, and the handle connecting section is connected to the lower pulling means by a fastener; the handle connecting section and the door panel connecting section are arranged correspondingly, and the handle connecting section and the door panel connecting section are also fixedly connected by fasteners. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the two-layer storage cabinet.

[0020] Figure 2 This is a left-view structural diagram of a two-layer storage cabinet.

[0021] Figure 3 yes Figure 2 Schematic diagram of the cross-sectional structure of AA.

[0022] Figure 4 It is a three-dimensional structural diagram of a two-layer storage cabinet with the cabinet body and cabinet door in a separated state.

[0023] Figure 5 This is a schematic diagram of the three-dimensional structure of the cabinet door in the two-layer storage cabinet.

[0024] Figure 6 This is a schematic diagram of the exploded structure of the door panel in the two-layer storage cabinet.

[0025] Figure 7 and 8 It is a schematic diagram of the three-dimensional structure of the two-layer storage cabinet in different folding stages.

[0026] Figure 9 This is a schematic diagram of the three-layer storage cabinet's three-dimensional structure.

[0027] In the figure, 100, cabinet body; 200, assembled cabinet door; 1, bottom plate; 2, top plate; 3, side wall assembly; 3a, left side wall; 3b, right side wall; 3c, rear side wall; 3d, upper wall portion; 3e, lower wall portion; 3f, plug-in joint portion; 4, middle connecting frame; 5, door frame; 5a, door frame section; 5a1, upper door frame section; 5a2, lower door frame section; 5a3, middle door frame section; 5b, plug-in slot; 5c, buckle; 5d, snap joint portion; 5e, connecting block; 5f, connecting groove; 5g, rotating connecting portion; 6, door panel; 6a, door panel section; 6b, door panel connecting section; 7, handle; 7a, pulling means; 7b, handle connecting section. DETAILED DESCRIPTION

[0028] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0030] In the present invention, unless otherwise specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; they may refer to direct connection or indirect connection through an intermediate medium; they may refer to internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0031] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0032] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0033] like Figures 1 to 9 As shown, the foldable storage cabinet includes a foldable cabinet body 100 and an assembled cabinet door 200, and the front side of the cabinet body 100 is an open structure.

[0034] The cabinet body 100 comprises a bottom plate 1, a top plate 2, a plurality of groups of side wall assemblies 3 arranged in an upper and lower arrangement between the bottom plate 1 and the top plate 2, and an intermediate connecting frame 4 for connecting the upper and lower groups of side wall assemblies 3. The side wall assembly 3 comprises a left side wall 3a, a right side wall 3b and a rear side wall 3c, the left edge of the left side wall 3a and the rear side wall 3c are connected by a detachable structure, and the right edge of the right side wall 3b and the rear side wall 3c are also connected by a detachable structure.

[0035] The accompanying drawings Figure 1-8 The number of side wall assemblies 3 is given as 2 groups, forming a 2-layer structure folding storage cabinet; Figure 9 The number of side wall assemblies 3 is given as 3 groups, forming a 3-layer structure folding storage cabinet. The left side wall 3a and the right side wall 3b are the same structure, both comprising an upper wall part 3d and a lower wall part 3e connected by a hinge. The top edge of the upper wall part 3d in the uppermost side wall assembly 3 is rotationally connected to the top plate 2, the bottom edge of the lower wall part 3e in the uppermost side wall assembly 3 is rotationally connected to the intermediate connecting frame 4, and the top edge of the rear side wall 3c in the uppermost side wall assembly 3 is rotationally connected to the top plate 2. The top edge of the upper wall part 3d in the middle side wall assembly 3 is rotationally connected to the intermediate connecting frame 4, the bottom edge of the lower wall part 3e in the middle side wall assembly 3 is rotationally connected to the intermediate connecting frame 4, and the top edge of the rear side wall 3c in the middle side wall assembly 3 is rotationally connected to the intermediate connecting frame 4. The top edge of the upper wall part 3d in the lowermost side wall assembly 3 is rotationally connected to the intermediate connecting frame 4, the bottom edge of the lower wall part 3e in the lowermost side wall assembly 3 is rotationally connected to the bottom plate 1, and the top edge of the rear side wall 3c in the lowermost side wall assembly 3 is rotationally connected to the intermediate connecting frame 4. In another aspect, by selecting different numbers of side wall assemblies 3, cabinets 100 of different numbers of layers can be assembled.

[0036] By sequentially rotating the left side wall 3a, the right side wall 3b and the rear side wall 3c, the cabinet 100 can be switched from a folded state to an unfolded state, and vice versa.

[0037] As shown in Figures 1 to 9 The assembled cabinet door 200 comprises a group of door frames 5 and door panels 6 rotationally connected to the door frames 5; the number of door panels 6 is given as 2 in the accompanying drawings, and the number of door panels 6 can be adaptively reduced or increased according to actual conditions.

[0038] The door frame 5 comprises a plurality of door frame segments 5a arranged in an upper and lower arrangement, and the door frame segments 5a are arranged one-to-one with the side wall assemblies 3. As shown in Figures 1 to 8As shown, the door frame 5 is divided into two door frame segments 5a in the height direction, which are respectively referred to as an upper door frame segment 5a1 and a lower door frame segment 5a2. The upper door frame segment 5a1 is fixedly connected to the left side wall 3a and the right side wall 3b in the uppermost side wall assembly 3 through the first detachable structure. The lower door frame segment 5a2 is also fixedly connected to the left side wall 3a and the right side wall 3b in the lowermost side wall assembly 3 through the first detachable structure. As shown in the accompanying drawings, the upper door frame segment 5a1 and the lower door frame segment 5a2 are connected to each other through the second detachable structure. Figure 9 As shown, the door frame 5 is divided into three door frame segments 5a in the height direction, which are respectively referred to as an upper door frame segment 5a1, a middle door frame segment 5a3 and a lower door frame segment 5a2. The upper door frame segment 5a1 is fixedly connected to the left side wall 3a and the right side wall 3b in the uppermost side wall assembly 3 through the first detachable structure. The middle door frame segment 5a3 is also fixedly connected to the left side wall 3a and the right side wall 3b in the middle side wall assembly 3 through the first detachable structure. The lower door frame segment 5a2 is also fixedly connected to the left side wall 3a and the right side wall 3b in the lowermost side wall assembly 3 through the first detachable structure. In another aspect, the manufacturer selects the appropriate door frame segment 5a according to the number of layers of the storage cabinet. For example, a storage cabinet with two layers only selects one upper door frame segment 5a1 and one lower door frame segment 5a2. A storage cabinet with three layers selects one upper door frame segment 5a1, one middle door frame segment 5a3 and one lower door frame segment 5a2. A storage cabinet with four layers selects one upper door frame segment 5a1, two middle door frame segments 5a3 and one lower door frame segment 5a2. In other words, different door frame segments 5a can be flexibly assembled to obtain a door frame 5 that is suitable for a cabinet body 100 with different numbers of layers.

[0039] The rear side of the door frame 5 has an annular insertion slot 5b. The bottom plate 1, the top plate 2, the left side wall 3a and the right side wall 3b of the cabinet body 100 each have an insertion head 3f that is suitable for the insertion slot 5b. The insertion head 3f is embedded in the insertion slot 5b. This structure also limits the swinging between the upper wall portion 3d and the lower wall portion 3e, thereby improving the strength and load capacity of the storage cabinet. The door frame segment 5a and the cabinet body 100 are also connected through an auxiliary fastening structure. A plurality of fastening structures are arranged in the height direction. The auxiliary fastening structure is a buckle structure, as shown in the accompanying drawings. The buckle structure includes a buckle 5c that is rotatably connected to the left side wall 3a or the right side wall 3b of the cabinet body 100. The buckle 5c has a buckle slot. The door frame segment 5a has a buckle head 5d that is suitable for the buckle slot. When the buckle head 5d is embedded in the buckle slot by rotating the buckle 5c, the door frame segment 5a is fixedly connected to the cabinet body 100. The buckle head 5d can be separated from the buckle slot by rotating the buckle 5c, and the door frame 5 can be separated from the cabinet body 100. According to actual conditions, the buckle structure can also be replaced by a screw connection structure.

[0040] The second detachable connection structure can be used to fixedly connect the upper and lower adjacent door frame segments 5a. This makes the door frame segments 5a reconnected to form the door frame 5 as a whole, thereby improving the strength of the door frame 5 and the convenience of mounting the assembled cabinet door 200 to the cabinet body 100.

[0041] like Figure 5 As shown, the second detachable connection structure includes a connecting block 5e, which is connected to the upper and lower adjacent door frame segments 5a via fasteners. The door frame segments 5a have connecting grooves 5f that are compatible with the connecting block 5e. The connecting block 5e fits into the connecting grooves 5f. This structure can improve the connection strength between the upper and lower adjacent door frame segments 5a.

[0042] Each door panel 6 comprises multiple door panel segments 6a arranged vertically. Each door panel segment 6a corresponds to a door frame segment 5a in a one-to-one relationship. These multiple door panel segments 6a utilize the same structure, offering the advantage of high versatility. Two adjacent door panel segments 6a can be fixedly connected via a third detachable connecting structure. This third detachable connecting structure includes a door panel connecting segment 6b positioned between the two adjacent door panel segments 6a. The upper portion of the door panel connecting segment 6b is connected to the upper door panel segment 6a via a fastener, and the lower portion of the door panel connecting segment 6b is also connected to the lower door panel segment 6a via a fastener.

[0043] The upper side of the door panel connecting section 6b is connected to the door panel section 6a located above by an auxiliary positioning structure, and the lower side of the door panel connecting section 6b is connected to the door panel section 6a located below by an auxiliary positioning structure. This not only improves the convenience of assembly of the door panel 6, improves the assembly consistency, but also improves the connection strength and bearing capacity of the door panel 6.

[0044] The door panel segment 6a at the bottom and the door panel segment 6a at the top are rotationally connected to the door frame 5. The end of the door frame segment 5a has a rotational connection portion 5g, and one end of the door panel connection segment 6b is connected to the rotational connection portion 5g, thereby improving the force stability of the door panel 6 and improving the rotational stability of the door panel 6.

[0045] The assembled cabinet door 200 also includes a strip-shaped handle 7, which is arranged along the height and fixedly connected to each door panel 6. The handle 7 comprises multiple vertically arranged pull members 7a, each corresponding to a door panel segment 6a. The pull members 7a are fixedly connected to each door panel segment 6a. Two adjacent pull members 7a are fixedly connected by a fourth detachable connection structure. This structure not only improves the strength of the handle 7 but also enhances the strength of the door panel 6, minimizing deformation of the door panel 6.

[0046] The fourth detachable connection structure includes a handle connecting section 7b located between two adjacent upper and lower pull member sections 7a. This section is connected to the upper pull member 7a via a fastener, and to the lower pull member 7a via a fastener. This section corresponds to the door panel connecting section 6b and is also secured to the door panel connecting section 6b via a fastener, further enhancing the strength of the door panel 6.

[0047] On the other hand, the manufacturer selects appropriate door panels 6 and handles 7 according to the number of layers of the storage cabinet. For example, a 2-layer storage cabinet selects two door panel sections 6a and one door panel connecting section 6b, two pulling means 7a and one handle connecting section 7b; a 3-layer storage cabinet selects three door panel sections 6a and two door panel connecting sections 6b, three pulling means 7a and two handle connecting sections 7b; a 4-layer storage cabinet selects four door panel sections 6a and three door panel connecting sections 6b, four pulling means 7a and three handle connecting sections 7b; in other words, different numbers of door panel sections 6a, door panel connecting sections 6b, pulling means 7a and handle connecting sections 7b can be flexibly assembled to obtain door panels 6 and handles 7 that are compatible with cabinets 100 with different numbers of layers.

Claims

1. A folding storage cabinet that can be flexibly assembled with different numbers of layers, characterized in that: It comprises a foldable cabinet body and assembled cabinet doors, the front side of the cabinet body is an open structure, the cabinet body comprises a bottom plate, a top plate, multiple groups of side wall components located between the bottom plate and the top plate and arranged vertically, and an intermediate connecting frame for connecting the upper and lower side wall components; the assembled cabinet door comprises a group of door frames and one or more door panels rotatably connected to the door frames; the door frame comprises multiple door frame segments arranged vertically, the door frame segments and the side wall components are arranged one-to-one, each door frame segment can be fixedly connected to the side wall component by a first detachable structure, and the upper and lower adjacent door frame segments can be fixedly connected by a second detachable connecting structure; each door panel comprises multiple door panel segments arranged vertically, the door panel segment of each door panel is arranged one-to-one with the door frame segment, and the upper and lower adjacent door panel segments can be fixedly connected by a third detachable connecting structure.

2. The foldable storage cabinet with different layers that can be flexibly assembled according to claim 1 is characterized in that: The side wall assembly includes a left side wall, a right side wall and a rear side wall. The left side wall is connected to the left edge of the rear side wall by a detachable structure, and the right side wall is also connected to the right edge of the rear side wall by a detachable structure. The door frame is divided into multiple door frame sections along the height direction, and the door frame sections are fixedly connected to the left and right walls of the side wall assembly through a first detachable structure.

3. The foldable storage cabinet with different layers that can be flexibly assembled according to claim 2 is characterized in that: The rear side of the door frame is provided with an annular plug-in groove, and the bottom plate, top plate, left side wall and right side wall of the cabinet body are provided with plug-in joints adapted to the plug-in groove, and the plug-in joints are embedded in the plug-in groove; the door frame section and the cabinet body are also connected by an auxiliary fastening structure, and multiple groups of fastening structures are arranged along the height direction.

4. The foldable storage cabinet with different layers that can be flexibly assembled according to claim 3 is characterized in that: The auxiliary fastening structure is a buckle structure, which includes a buckle that is rotatably connected to the cabinet body, a buckle having a buckle groove, and a door frame section having a buckle joint that matches the buckle groove; when the buckle joint is rotated to fit into the buckle groove, the door frame section is fixedly connected to the cabinet body; when the buckle joint is rotated to disengage from the buckle groove, the door frame can be separated from the cabinet body; Or the auxiliary fastening structure is a screw connection structure.

5. The foldable storage cabinet capable of being flexibly assembled with different numbers of layers according to claim 1, 2, 3 or 4, characterized in that: The second detachable connection structure includes a connection block, which is connected to the upper and lower adjacent door frame sections via fasteners; the door frame section has a connection groove that is compatible with the connection block, and the connection block is embedded in the connection groove.

6. The foldable storage cabinet capable of being flexibly assembled with different numbers of layers according to claim 1, 2, 3 or 4, characterized in that: The third detachable connection structure includes a door panel connecting section located between two adjacent upper and lower door panel sections, the upper side of the door panel connecting section is connected to the upper door panel section by a fastener, and the lower side of the door panel connecting section is also connected to the lower door panel section by a fastener.

7. The foldable storage cabinet capable of being flexibly assembled with different numbers of layers according to claim 6, characterized in that: The upper side of the door panel connecting section is connected to the door panel section above it via an auxiliary positioning structure, and the lower side of the door panel connecting section is connected to the door panel section below it via an auxiliary positioning structure.

8. The foldable storage cabinet capable of being flexibly assembled with different numbers of layers according to claim 6, characterized in that: The door panel section at the bottom and the door panel section at the top are rotatably connected to the door frame. The end of the door frame section is provided with a rotatable connecting portion, and one end of the door panel connecting section is connected to the rotatable connecting portion.

9. The foldable storage cabinet capable of being flexibly assembled with different numbers of layers according to claim 6, characterized in that: The assembled cabinet door also includes a strip-shaped handle, which is arranged along the height direction and is fixedly connected to each door panel; the handle includes multiple sections of pulling means arranged vertically, the pulling means are arranged in a one-to-one correspondence with the door panel sections, and the pulling means are fixedly connected to the door panel sections; the upper and lower adjacent sections of pulling means can be fixedly connected by a fourth detachable connecting structure.

10. The foldable storage cabinet capable of being flexibly assembled with different numbers of layers according to claim 9, characterized in that: The fourth detachable connection structure includes a handle connecting section located between two adjacent upper and lower pulling means, the handle connecting section is connected to the upper pulling means by a fastener, and the handle connecting section is connected to the lower pulling means by a fastener; the handle connecting section and the door panel connecting section are arranged correspondingly, and the handle connecting section and the door panel connecting section are also fixedly connected by fasteners.

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