Expandable folding cabinet

Abstract

The utility model provides a kind of expandable folding cabinet, belong to furniture technical field.The expandable folding cabinet includes base and several folding cabinet bodies, adjacent the folding cabinet body is connected by expansion piece, expansion piece can make the internal storage space of adjacent two folding cabinet bodies be connected, the lower end of folding cabinet body located in the bottom is connected with the base;The lower end of the folding cabinet body above the expansion piece is connected, the upper end of the folding cabinet body below the expansion piece is connected.When it is necessary to increase storage space, the expansion piece is connected with the folding cabinet body above the base, another folding cabinet body is connected above the expansion piece, so that the storage space can be expanded, the corresponding items can be stored, the applicability of the folding cabinet is greatly improved, and the user's experience is improved.

Description

Technical Field

[0001] This utility model belongs to the field of furniture technology, specifically relating to an expandable folding cabinet. Background Technology

[0002] With the improvement of people's living standards and the optimization of living spaces, storage cabinets, as a common daily necessity, not only help users classify and organize their items, saving living space, but also provide protection during transportation and storage. Storage cabinets are widely used in homes, offices, warehouses, and logistics. When storage cabinets are not needed, their large size and space-consuming nature can cause inconvenience when moving around the house or transporting the cabinets themselves. This is where folding cabinets come in. Folding cabinets can be folded up when not in use, greatly reducing space occupation and facilitating the placement and transportation of the cabinets themselves.

[0003] However, existing folding cabinets have a fixed internal space when in use, which cannot meet the needs when storing larger items. Therefore, there is a need to design a folding cabinet that can store items of various sizes to meet people's actual storage needs. Utility Model Content

[0004] In view of this, in order to solve the problems in the prior art, this utility model proposes an expandable folding cabinet. The technical problem to be solved is: how to expand the internal storage space of the folding cabinet.

[0005] This utility model solves the above problems through the following technical means:

[0006] An expandable folding cabinet includes:

[0007] Base;

[0008] Several folding cabinets are connected to each other by an extension member, which allows the internal storage space of two adjacent folding cabinets to be connected. The lower end of the bottom folding cabinet is connected to the base.

[0009] The extension is connected to the lower end of the upper folding cabinet, and the extension is connected to the upper end of the lower folding cabinet.

[0010] This expandable folding cabinet allows adjacent folding cabinets to be detachably connected via an extension piece. This extension piece connects the internal storage spaces of the two adjacent folding cabinets. The lower end of the bottom folding cabinet is connected to the base, the extension piece is connected to the lower end of the upper folding cabinet, and the extension piece is connected to the upper end of the lower folding cabinet. When additional storage space is needed, the extension piece is connected to the folding cabinet above the base, and another folding cabinet is connected above the extension piece. This expands the storage space to accommodate various items, greatly improving the versatility of the folding cabinet and enhancing the user experience.

[0011] In the aforementioned expandable folding cabinet, the folding cabinet body includes a first side panel, a second side panel, a third side panel, and a fourth side panel that are sequentially arranged to form a storage space, and the first side panel, the second side panel, the third side panel, and the fourth side panel are detachably connected.

[0012] In the aforementioned expandable folding cabinet, in the folding cabinet body connected to the base, the first side panel and the third side panel are respectively hinged to the opposite sides of the base in the length direction, and the second side panel and the fourth side panel are respectively hinged to the opposite sides of the base in the width direction; when the expandable folding cabinet is in the disassembled and stored state, the first side panel, the second side panel, the third side panel and the fourth side panel can all be stored in the base.

[0013] In the aforementioned expandable folding cabinet, in the folding cabinet body connected to the expansion member, the first side panel and the third side panel are respectively hinged to the opposite sides of the expansion member in the length direction, and the second side panel and the fourth side panel are respectively hinged to the opposite sides of the expansion member in the width direction; when the expandable folding cabinet is in the disassembled and stored state, the first side panel, the second side panel, the third side panel and the fourth side panel can all be stored inside the expansion member.

[0014] In the aforementioned expandable folding cabinet, several locking blocks are provided on both sides of the first and third side panels, and locking slots corresponding to the locking blocks are provided on both sides of the second and fourth side panels; the locking blocks on both sides of the first side panel are respectively locked into the locking slots on one side of the second and fourth side panels, and the locking blocks on both sides of the third side panel are respectively locked into the locking slots on the other side of the second and fourth side panels.

[0015] In the aforementioned expandable folding cabinet, the expansion member is a hollow frame, the bottom of the expansion member is provided with a groove, the top of the folding cabinet body is provided with a protrusion, and the protrusion on the folding cabinet body located at the bottom of the expansion member is inserted into the groove.

[0016] In the aforementioned expandable folding cabinet, the top of the expansion member is provided with several first slots, and a first pin is provided in each of the first slots. The bottom of the folding cabinet body is provided with several snap-fit ​​parts corresponding to the first slots, and the first pin is rotatably connected to the snap-fit ​​parts.

[0017] In the aforementioned expandable folding cabinet, a second slot is provided on the upper part of the base, and a second pin is provided in the second slot. The second pin is rotatably connected to the latching part of the folding cabinet body located above the base.

[0018] In the aforementioned expandable folding cabinet, the expandable folding cabinet also includes a cover plate, the bottom of which is provided with an annular groove, and the protrusion of the uppermost folding cabinet body of the expandable folding cabinet is inserted into the annular groove.

[0019] In the aforementioned expandable folding cabinet, fasteners are provided on both sides of the folding cabinet body, and protrusions corresponding to the fasteners are provided on both sides of the expansion member, with the fasteners engaging with the protrusions.

[0020] In the aforementioned expandable folding cabinet, the expandable folding cabinet further includes a flipping mechanism, which includes a first hinge seat, a second hinge seat, and a connecting rod. The first hinge seat is installed on the inner side of the uppermost folding cabinet body of the expandable folding cabinet, the second hinge seat is installed on the inner side of the cover plate, one end of the connecting rod is hinged to the first hinge seat, and the other end of the connecting rod is hinged to the second hinge seat.

[0021] In the aforementioned expandable folding cabinet, the first hinge seat is provided with a plurality of first hinge slots, and one end of the connecting rod is provided with a first hinge shaft, which can be selectively hinged to one of the first hinge slots; the second hinge seat is provided with a second hinge slot, and the end of the connecting rod away from the first hinge shaft is provided with a second hinge shaft, which is hinged to the second hinge slot.

[0022] In the aforementioned expandable folding cabinet, the connecting rod includes a first connecting part, a bending part, and a second connecting part connected in sequence. The first hinge shaft is located at the end of the first connecting part away from the bending part, and the second hinge shaft is located at the end of the second connecting part away from the bending part.

[0023] In the aforementioned expandable folding cabinet, the flipping mechanism further includes a fixed base, which is fixedly connected to the side of the uppermost folding cabinet body of the expandable folding cabinet, and the first hinge seat is engaged within the fixed base.

[0024] Compared with the prior art, the advantages of this utility model are as follows:

[0025] When additional storage space is needed, this expandable folding cabinet connects the extension to the folding cabinet above the base, and then connects another folding cabinet above the extension. This expands the storage space to accommodate the required items, greatly improving the folding cabinet's versatility and enhancing the user experience. Attached Figure Description

[0026] Figure 1 This is a structural diagram of the expandable folding cabinet;

[0027] Figure 2 An exploded view of this expandable folding cabinet;

[0028] Figure 3 This is a cross-sectional view of the expandable folding cabinet;

[0029] Figure 4 This is a structural diagram of a folding cabinet;

[0030] Figure 5 An exploded view of the folding cabinet.

[0031] Figure 6 This is a structural schematic diagram of the expansion component;

[0032] Figure 7 This is a schematic diagram of the base structure;

[0033] Figure 8 This is a diagram illustrating the folding cabinet when it is folded for storage.

[0034] Figure 9 This is a diagram illustrating another form of folding cabinet storage.

[0035] Figure 10 This is a partial exploded view of the expandable folding cabinet;

[0036] Figure 11 This is a structural diagram showing the cover plate suspended on the side of the folding cabinet.

[0037] Figure 12 for Figure 11 Enlarged view of section A in the middle;

[0038] Figure 13 This is a schematic diagram of the structure of the first hinge seat;

[0039] Figure 14 This is a schematic diagram of the connecting rod structure;

[0040] Figure 15 This is a schematic diagram of the cover plate.

[0041] Figure 16 for Figure 15 Enlarged view of section B in the middle.

[0042] The meanings of the reference numerals in the attached figures are as follows:

[0043] 1. Base; 11. Second slot; 111. Second pin; 12. Wheel set; 2. Folding cabinet; 21. First side panel; 22. Second side panel; 23. Third side panel; 24. Fourth side panel; 25. Locking block; 26. Locking groove; 27. Protrusion; 28. Locking part; 29. ​​Fastener; 3. Extension piece; 31. Groove; 32. First slot; 321. First pin; 33. Protrusion; 4. Cover plate; 41. Annular groove; 5. Flipping mechanism; 51. First hinge seat; 511. First hinge groove; 512. Locking block; 52. Second hinge seat; 521. Second hinge groove; 53. Connecting rod; 531. First hinge shaft; 532. Second hinge shaft; 533. First connecting part; 534. Bending part; 535. Second connecting part; 54. Fixing seat; 541. Locking groove. Detailed Implementation

[0044] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.

[0045] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this disclosure described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0046] In this disclosure, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better description of the embodiments of this disclosure and their implementations, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to require them to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in the embodiments of this disclosure according to the specific circumstances.

[0047] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0048] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0049] With the improvement of people's living standards and the optimization of living spaces, storage cabinets, as a common daily necessity, not only help users classify and organize their items, saving living space, but also provide protection during transportation and storage. Storage cabinets are widely used in homes, offices, warehouses, and logistics. When storage cabinets are not needed, their large size and space-consuming nature can cause inconvenience when moving around the house or transporting the cabinets themselves. This is where folding cabinets come in. Folding cabinets can be folded up when not in use, greatly reducing space occupation and facilitating the placement and transportation of the cabinets themselves.

[0050] However, existing folding cabinets have a fixed internal space when in use, which cannot meet the needs when storing larger items. Therefore, this invention provides an expandable folding cabinet that can expand its internal storage space to accommodate folding cabinets of various sizes, thus meeting people's actual storage needs.

[0051] like Figures 1-7 As shown, this expandable folding cabinet includes a base 1, several folding cabinet bodies 2, and an extension member 3. Adjacent folding cabinet bodies 2 are connected by the extension member 3, which allows the internal storage spaces of two adjacent folding cabinet bodies 2 to be connected. The lower end of the bottommost folding cabinet body 2 is hinged to the base 1. The extension member 3 is used to connect two adjacent folding cabinet bodies 2. The extension member 3 is hinged to the lower end of the upper folding cabinet body 2, and the extension member 3 is detachably connected to the upper end of the lower folding cabinet body 2.

[0052] It is understood that the number of folding cabinets 2 in this expandable folding cabinet can be one, two, or more. The number of folding cabinets 2 can be increased or decreased according to actual use to suit the storage of items of corresponding sizes. This embodiment uses two folding cabinets 2 as an example for illustration.

[0053] In this expandable folding cabinet, two adjacent folding cabinets 2 are detachably connected by an extension piece 3. The lower end of the bottom folding cabinet 2 is connected to the base 1, the extension piece 3 is connected to the lower end of the upper folding cabinet 2, and the extension piece 3 is connected to the upper end of the lower folding cabinet 2. When additional storage space is needed, the extension piece 3 is connected to the folding cabinet 2 above the base 1, and another folding cabinet 2 is connected above the extension piece 3. This expands the storage space to accommodate the corresponding items and greatly improves the applicability of the folding cabinet.

[0054] like Figure 4 and 5 As shown in this embodiment, the folding cabinet 2 includes a first side panel 21, a second side panel 22, a third side panel 23, and a fourth side panel 24 that are sequentially arranged to form a storage space. The first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24 are detachably connected to each other. In this structure, the first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24 can be sequentially enclosed to form a storage space. The first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24 are detachably connected. When it is necessary to disassemble and store the expandable folding cabinet, since the first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24 are detachably connected, it is only necessary to disassemble the first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24, and then fold the first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24 inward to disassemble and store the folding cabinet 2, which greatly improves the assembly and disassembly efficiency of the folding cabinet 2.

[0055] like Figures 1-3As shown in this embodiment, in the folding cabinet 2 connected to the base 1, the first side plate 21 and the third side plate 23 are respectively hinged to the opposite sides of the base 1 in the length direction, and the second side plate 22 and the fourth side plate 24 are respectively hinged to the opposite sides of the base 1 in the width direction; when the expandable folding cabinet is in the disassembled and stored state, the first side plate 21, the second side plate 22, the third side plate 23 and the fourth side plate 24 can all be stored in the base 1. In this structure, the first side plate 21 and the third side plate 23 are hinged to the opposite sides of the base 1 along its length, and the second side plate 22 and the fourth side plate 24 are hinged to the opposite sides of the base 1 along its width. When the expandable folding cabinet needs to be disassembled and stored, since the first side plate 21, the second side plate 22, the third side plate 23 and the fourth side plate 24 are detachably connected, the first side plate 21, the second side plate 22, the third side plate 23 and the fourth side plate 24 are first disassembled, and then the first side plate 21, the second side plate 22, the third side plate 23 and the fourth side plate 24 are rotated into the base 1 respectively, so that the first side plate 21, the second side plate 22, the third side plate 23 and the fourth side plate 24 can be folded and stored, reducing the space occupied by the folding cabinet when not in use, facilitating the transportation and storage of the folding cabinet, and improving the user experience.

[0056] like Figures 1-3 As shown, in this embodiment, in the folding cabinet 2 connected to the extension member 3, the first side panel 21 and the third side panel 23 are respectively hinged to opposite sides in the length direction of the extension member 3, and the second side panel 22 and the fourth side panel 24 are respectively hinged to opposite sides in the width direction of the extension member 3. When the expandable folding cabinet is in the disassembled and stored state, the first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24 can all be stored inside the extension member 3. In this structure, the first side panel 21 and the third side panel 23 are respectively hinged to opposite sides in the length direction of the extension member 3, and the second side panel 22 and the fourth side panel 24 are respectively hinged to opposite sides in the width direction of the extension member 3. When it is necessary to disassemble and store the expandable folding cabinet, since the first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24 are detachably connected, the first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24 of the folding cabinet 2 connected to the extension member 3 are first disassembled. The four side panels 24 are removed, and then the first side panel 21, the second side panel 22, the third side panel 23 and the fourth side panel 24 are rotated into the extension member 3 respectively, so that the first side panel 21, the second side panel 22, the third side panel 23 and the fourth side panel 24 can be folded and stored. Then, the extension member 3 and the folding cabinet 2 folded inside the extension member 3 are fastened together to the base 1 to realize the folding of the entire expandable folding cabinet, so as to reduce the space occupied by the folding cabinet when not in use and facilitate the transportation and storage of the folding cabinet.

[0057] As one embodiment, when more than three folding cabinets 2 need to be expanded, more than two expansion parts 3 are required. When the expandable folding cabinet needs to be disassembled and stored, the first side panel 21, the second side panel 22, the third side panel 23 and the fourth side panel 24 of the folding cabinet 2 connected to the expansion parts 3 are first folded and stored inside the expansion parts 3, and then two adjacent expansion parts 3 are fastened together. This improves the compactness between multiple parts when the expandable folding cabinet is disassembled and stored, thereby reducing the space occupied by the expandable folding cabinet when it is in the disassembled and stored state, and facilitating the transportation and storage of the folding cabinet.

[0058] like Figure 4 and 5 As shown, in this embodiment, both sides of the first side panel 21 and the third side panel 23 are provided with a plurality of locking blocks 25, and both sides of the second side panel 22 and the fourth side panel 24 are provided with locking slots 26 corresponding to the locking blocks 25. When the expandable folding cabinet is in the storage state, the locking blocks 25 on both sides of the first side panel 21 are respectively locked into the locking slots 26 on one side of the second side panel 22 and the fourth side panel 24, and the locking blocks 25 on both sides of the third side panel 23 are respectively locked into the locking slots 26 on the other side of the second side panel 22 and the fourth side panel 24, so that the first side panel 21, the second side panel 22, the third side panel 23 and the fourth side panel 24 form a storage space. When it is necessary to disassemble and store the expandable folding cabinet, the first side panel 21 is... The latches 25 extend out of the slots 26 on one side of the second side panel 22 and the fourth side panel 24 respectively. The latches 25 on both sides of the third side panel 23 extend out of the slots 26 on the other side of the second side panel 22 and the fourth side panel 24 respectively. Then, the first side panel 21, the second side panel 22, the third side panel 23 and the fourth side panel 24 are folded into the base 1 or the extension 3 to complete the folding of the first side panel 21, the second side panel 22, the third side panel 23 and the fourth side panel 24. The latches 25 on both sides of the first side panel 21 are respectively engaged in the slots 26 on one side of the second side panel 22 and the fourth side panel 24 respectively. The latches 25 on both sides of the third side panel 23 are respectively engaged in the slots 26 on the other side of the second side panel 22 and the fourth side panel 24 respectively, which facilitates the disassembly and storage of the expandable folding cabinet.

[0059] like Figure 6As shown, in this embodiment, the extension member 3 is a hollow frame, the bottom of the extension member 3 is provided with a groove 31, the top of the folding cabinet 2 is provided with a protrusion 27, and the protrusion 27 on the folding cabinet 2 located at the bottom of the extension member 3 is inserted into the groove 31 of the extension member 3. In this structure, the protrusion 27 on the folding cabinet 2 at the bottom of the extension member 3 is inserted into the groove 31 of the extension member 3, achieving a detachable connection between the extension member 3 and the lower folding cabinet 2. When multiple folding cabinets 2 need to be extended, simply insert the protrusion 27 on the lower folding cabinet 2 into the groove 31 of the upper extension member 3 to complete the extension of multiple folding cabinets, greatly increasing the storage space of the folding cabinet. When the expandable folding cabinet needs to be folded and stored, first push the protrusion 27 on the lower folding cabinet 2 out into the groove 31 of the upper extension member 3, and then fold the first side panel 21, second side panel 22, third side panel 23, and fourth side panel 24 of the folding cabinet 2 into the base 1 or the extension member 3 to complete the folding and storage of the expandable folding cabinet. The protrusion 27 on the folding cabinet 2 at the bottom of the extension member 3 is inserted into the groove 31 of the extension member 3, greatly facilitating the disassembly and storage of the expandable folding cabinet.

[0060] like Figure 6 As shown, in this embodiment, the top of the extension member 3 is provided with several first slots 32, and a first pin 321 is provided in each of the first slots 32. The bottom of the folding cabinet 2 is provided with several latching parts 28 corresponding to the first slots 32, and the first pin 321 is rotatably connected to the latching parts 28. In this structure, the first pin 321 is rotatably connected to the latching parts 28 to realize the hinged rotation between the folding cabinet 2 and the extension member 3. When it is necessary to fold the foldable cabinet 2 into the extension member, the first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24 are first disassembled. Due to the hinged rotation between the folding cabinet 2 and the extension member 3, the first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24 of the folding cabinet 2 are then rotated inside the extension member 3 to complete the folding of the first side panel 21, the second side panel 22, the third side panel 23, and the fourth side panel 24 into the extension member 3. The bottom of the folding cabinet 2 is provided with several snap-fit ​​parts 28 corresponding to the first slot 32. The first pin 321 is rotatably connected to the snap-fit ​​part 28, which greatly facilitates the folding and storage of the first side panel 21, second side panel 22, third side panel 23 and fourth side panel 24 of the folding cabinet 2 into the extension part 3.

[0061] like Figure 7As shown, in this embodiment, a second slot 11 is provided on the upper part of the base 1, and a second pin 111 is provided in the second slot 11. The second pin 111 is rotatably connected to the latching part 28 of the folding cabinet 2 located above the base 1. In this structure, the second pin 111 is rotatably connected to the latching part 28 of the folding cabinet 2 located above the base 1, realizing the hinged rotation between the folding cabinet 2 and the base 1. When it is necessary to fold the foldable cabinet 2 into the base 1, the first side plate 21, the second side plate 22, the third side plate 23, and the fourth side plate 24 are first disassembled. Due to the hinged rotation between the folding cabinet 2 and the base 1, the first side plate 21, the second side plate 22, the third side plate 23, and the fourth side plate 24 of the folding cabinet 2 are then rotated inside the base 1, thereby completing the folding of the first side plate 21, the second side plate 22, the third side plate 23, and the fourth side plate 24 into the base 1. The second pin 111 is rotatably connected to the snap-fit ​​part 28 of the folding cabinet 2 located above the base 1, which greatly facilitates the folding and storage of the first side panel 21, the second side panel 22, the third side panel 23 and the fourth side panel 24 of the folding cabinet 2 into the base 1.

[0062] like Figure 1 and 2 As shown, in this embodiment, the expandable folding cabinet also includes a cover plate 4. The bottom of the cover plate 4 is provided with an annular groove 41, and the protrusion 27 of the uppermost folding cabinet body 2 of the expandable folding cabinet is inserted into the annular groove 41. In this structure, the protrusion 27 of the uppermost folding cabinet body 2 of the expandable folding cabinet is inserted into the annular groove 41 of the cover plate 4, so that the cover plate tightly fastens to the uppermost folding cabinet body 2 of the expandable folding cabinet. The cover plate 4 allows the interior of the expandable folding cabinet to form a closed storage space, reducing the impact of dust, moisture, and other external factors on the items stored in the storage space during the use of the expandable folding cabinet. Furthermore, the cover plate 4 can open the upper port of the storage space for easy access to items by the user.

[0063] like Figure 8 As shown, in one embodiment, when folding and storage is required, the cover plate 4 can be placed at the bottom of the extension 3 to improve the compactness between multiple parts when the expandable folding cabinet is disassembled and stored, thereby reducing the space occupied by the expandable folding cabinet when it is in the disassembled and stored state.

[0064] like Figure 1 and 2As shown, in this embodiment, fasteners 29 are provided on both sides of the folding cabinet 2, and protrusions 33 corresponding to the fasteners 29 are provided on both sides of the extension member 3. The fasteners 29 are engaged with the protrusions 33. Specifically, fasteners 29 are provided on the outer surfaces of the second side plate 22 and the fourth side plate 24, and protrusions 33 are provided on both sides of the extension member 3. The fasteners 29 on the outer sides of the second side plate 22 and the fourth side plate 24 are engaged with the protrusions 33 on both sides of the extension member 3. In this structure, the fasteners 29 are engaged with the protrusions 33 to ensure the firmness between adjacent folding cabinets 2 and to ensure the overall firmness of the expandable folding cabinet. As one embodiment, protrusions 33 are provided on both sides of the top of the cover plate 4. The fasteners 29 on both sides of the topmost folding cabinet 2 are engaged with the protrusions 33 on the cover plate 4 to ensure that the cover plate 4 is securely fixed.

[0065] like Figure 1 and 2 As shown in the figure, in one embodiment, the bottom of the base 1 is provided with a wheel set 12. When it is necessary to move the expandable folding cabinet, it is only necessary to push the expandable folding cabinet, which greatly facilitates the handling and movement of the expandable folding cabinet.

[0066] like Figure 9 As shown, in one embodiment, when folding and storage are required, the wheel set 12 at the bottom of the base 1 is removed, the cover plate 4 can be placed at the bottom of the base 1, the folding cabinet 2 is folded and stored in the extension part 3, and then placed on the folded and stored base 1. This improves the compactness between multiple parts when the expandable folding cabinet is disassembled and stored, thereby reducing the space occupied by the expandable folding cabinet when it is in the disassembled and stored state.

[0067] like Figures 10-16As shown, in this embodiment, the expandable folding cabinet further includes a flipping mechanism 5. The flipping mechanism 5 includes a first hinge seat 51, a second hinge seat 52, and a connecting rod 53. The first hinge seat 51 is installed on the inner side of the uppermost folding cabinet body 2 of the expandable folding cabinet, the second hinge seat 52 is installed on the inner side of the cover plate 4, one end of the connecting rod 53 is hinged to the first hinge seat 51, and the other end of the connecting rod 53 is hinged to the second hinge seat 52. It can be understood that flipping mechanisms 5 are provided on both sides of the uppermost folding cabinet body 2 of the expandable folding cabinet. The flipping mechanisms 5 on both sides of the folding cabinet body 2 can flip the cover plate 4 to one side of the expandable folding cabinet and suspend it on the side of the expandable folding cabinet. Specifically, the flipping mechanism 5 includes a first hinge seat 51, a second hinge seat 52, and a connecting rod 53. The first hinge seat 51 is installed on the inner side of the uppermost folding cabinet body 2 of the expandable folding cabinet. One end of the connecting rod 53 is hinged to the first hinge seat 51, meaning that one end of the connecting rod 53 can rotate relative to the first hinge seat 51. The second hinge seat 52 is installed on the inner side of the cover plate 4, and the other end of the connecting rod 53 is hinged to the second hinge seat 52, meaning that the other end of the connecting rod 53 can rotate relative to the second hinge seat 52. When it is necessary to open the cover plate 4, the cover plate 4 is lifted upwards. Since the connecting rod 53 can rotate relative to the inner side of the folding cabinet body 2 and the inner side of the cover plate 4, the cover plate 4 is lifted upwards and then rotated to the outer side of the folding cabinet body 2, thus realizing the opening of the cover and hanging it on the outer side of the folding cabinet body 2. By hinged at one end of the connecting rod 53 to the first hinge seat 51 and at the other end of the connecting rod 53 to the second hinge seat 52, the cover can be opened and suspended on the outer side of the folding cabinet 2, which greatly facilitates the placement of the cover plate 4 and improves the applicability of the expandable folding cabinet.

[0068] like Figure 13 , 15As shown in Figure 16, in this embodiment, the first hinge seat 51 is provided with a plurality of first hinge slots 511, and one end of the connecting rod 53 is provided with a first hinge shaft 531, wherein the first hinge shaft 531 can be selectively hinged to one of the first hinge slots 511; the second hinge seat 52 is provided with a second hinge slot 521, and one end of the connecting rod 53 away from the first hinge shaft 531 is provided with a second hinge shaft 532, wherein the second hinge shaft 532 is hinged to the second hinge slot 521. In this embodiment, the first hinge seat 51 is provided with two first hinge slots 511, and the inner side of the corresponding cover plate 4 is provided with two second hinge seats 52. The first hinge shaft 531 is hinged in one of the first hinge slots 511, and the corresponding second hinge shaft 532 is hinged in the second hinge slot 521 of one of the second hinge seats 52. Alternatively, the first hinge shaft 531 is hinged in the other first hinge slot 511, and the corresponding second hinge shaft 532 is hinged in the second hinge slot 521 of the other second hinge seat 52. In this way, the cover plate 4 can be flipped to different sides of the folding cabinet 2 through different first hinge slots 511 and corresponding second hinge slots 521. In actual use, the user can choose to hinge the connecting rod 53 to the appropriate first hinge slot 511 and second hinge slot 521 according to the placement position of the expandable folding cabinet, so as to facilitate the user to open and hang it, greatly improving the flexibility of the expandable folding cabinet.

[0069] like Figure 14 As shown, in this embodiment, the connecting rod 53 includes a first connecting portion 533, a bent portion 534, and a second connecting portion 535 connected in sequence. The first hinge shaft 531 is located at the end of the first connecting portion 533 away from the bent portion 534, and the second hinge shaft 532 is located at the end of the second connecting portion 535 away from the bent portion 534. In this structure, the connecting rod 53 includes a first connecting portion 533, a bent portion 534, and a second connecting portion 535 connected in sequence. The first connecting portion 533, the bent portion 534, and the second connecting portion 535 form a zigzag shape. When the cover plate 4 is closed on the folding cabinet 2, because the first connecting portion 533, the bent portion 534, and the second connecting portion 535 form a zigzag shape, that is, the second connecting portion 535 bends inward into the cover plate 4 through the bent portion 534, interference between the second connecting portion 535 and the annular groove at the bottom of the cover plate 4 can be effectively avoided.

[0070] like Figure 12 and 13As shown, in this embodiment, the flipping mechanism 5 further includes a fixed base 54, which is fixedly connected to the side of the uppermost folding cabinet body 2 of the expandable folding cabinet. The first hinge seat 51 is snapped into the fixed base 54. In this structure, the first hinge seat 51 is snapped into the fixed base 54. Specifically, the fixed base 54 has snap-fit ​​grooves 541 on both sides, and the first hinge seat 51 has snap-fit ​​blocks 512 on both sides. The first hinge seat 51 is snapped into the fixed base 54 by the snap-fit ​​blocks 512 snapping into the snap-fit ​​grooves 541. When the flipping mechanism 5 needs to be installed, it is only necessary to snap the first hinge seat 51 into the fixed base 54. When it is not needed, it is only necessary to push the snap-fit ​​blocks 512 of the first hinge seat 51 out of the snap-fit ​​grooves 541 of the fixed base 54, which greatly facilitates the assembly of the first hinge seat 51. The technical means disclosed in this utility model are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the scope of protection of this utility model.

Claims

1. An expandable folding cabinet, characterized in that, include: Base (1); Several folding cabinets (2) are connected to each other by extension members (3), which allow the internal storage spaces of two adjacent folding cabinets (2) to be connected; the lower end of the bottom folding cabinet (2) is connected to the base (1); the extension member (3) is connected to the lower end of the upper folding cabinet (2) and the upper end of the lower folding cabinet (2).

2. The expandable folding cabinet according to claim 1, characterized in that, The folding cabinet (2) includes a first side panel (21), a second side panel (22), a third side panel (23) and a fourth side panel (24) that are arranged in sequence to form a storage space. The first side panel (21), the second side panel (22), the third side panel (23) and the fourth side panel (24) are detachably connected.

3. The expandable folding cabinet according to claim 2, characterized in that, In the folding cabinet (2) connected to the base (1), the first side plate (21) and the third side plate (23) are respectively hinged to the opposite sides of the base (1) in the length direction, and the second side plate (22) and the fourth side plate (24) are respectively hinged to the opposite sides of the base (1) in the width direction. When the expandable folding cabinet is in the disassembled storage state, the first side plate (21), the second side plate (22), the third side plate (23) and the fourth side plate (24) can all be stored in the base (1).

4. The expandable folding cabinet according to claim 2, characterized in that, In the folding cabinet (2) connected to the extension member (3), the first side panel (21) and the third side panel (23) are respectively hinged to the opposite sides of the extension member (3) in the length direction, and the second side panel (22) and the fourth side panel (24) are respectively hinged to the opposite sides of the extension member (3) in the width direction; when the expandable folding cabinet is in the disassembled storage state, the first side panel (21), the second side panel (22), the third side panel (23) and the fourth side panel (24) can all be stored in the extension member (3).

5. The expandable folding cabinet according to claim 2, characterized in that, Both sides of the first side plate (21) and the third side plate (23) are provided with a plurality of locking blocks (25), and both sides of the second side plate (22) and the fourth side plate (24) are provided with locking slots (26) corresponding to the locking blocks (25); the locking blocks (25) on both sides of the first side plate (21) are respectively locked into the locking slots (26) on one side of the second side plate (22) and the fourth side plate (24), and the locking blocks (25) on both sides of the third side plate (23) are respectively locked into the locking slots (26) on the other side of the second side plate (22) and the fourth side plate (24).

6. The expandable folding cabinet according to claim 1, characterized in that, The extension component (3) is a hollow frame. The bottom of the extension component (3) is provided with a groove (31), and the top of the folding cabinet (2) is provided with a protrusion (27). The protrusion (27) on the folding cabinet (2) located at the bottom of the extension component (3) is inserted into the groove (31).

7. The expandable folding cabinet according to claim 1, characterized in that, The top of the extension (3) is provided with a number of first slots (32), and a first pin (321) is provided in the first slot (32). The bottom of the folding cabinet (2) is provided with a number of snap-fit ​​parts (28) corresponding to the first slots (32), and the first pin (321) is rotatably connected to the snap-fit ​​parts (28).

8. The expandable folding cabinet according to claim 7, characterized in that, The upper part of the base (1) is provided with a second slot (11), and a second pin (111) is provided in the second slot (11). The second pin (111) is rotatably connected to the snap-fit ​​part (28) of the folding cabinet (2) located above the base (1).

9. The expandable folding cabinet according to claim 6, characterized in that, The expandable folding cabinet also includes a cover plate (4), the bottom of which is provided with an annular groove (41), and the protrusion (27) of the uppermost folding cabinet body (2) of the expandable folding cabinet is inserted into the annular groove (41).

10. The expandable folding cabinet according to any one of claims 1-9, characterized in that, The folding cabinet (2) is provided with fasteners (29) on both sides, and the extension (3) is provided with protrusions (33) on both sides corresponding to the fasteners (29), and the fasteners (29) are engaged with the protrusions (33).

11. The expandable folding cabinet according to claim 9, characterized in that, The expandable folding cabinet also includes a flipping mechanism (5), which includes a first hinge seat (51), a second hinge seat (52), and a connecting rod (53). The first hinge seat (51) is installed on the inner side of the uppermost folding cabinet body (2) of the expandable folding cabinet, and the second hinge seat (52) is installed on the inner side of the cover plate (4). One end of the connecting rod (53) is hinged to the first hinge seat (51), and the other end of the connecting rod (53) is hinged to the second hinge seat (52).

12. The expandable folding cabinet according to claim 11, characterized in that, The first hinge seat (51) is provided with a plurality of first hinge slots (511), and one end of the connecting rod (53) is provided with a first hinge shaft (531). The first hinge shaft (531) can be selectively hinged to one of the first hinge slots (511). The second hinge seat (52) is provided with a second hinge slot (521), and one end of the connecting rod (53) away from the first hinge shaft (531) is provided with a second hinge shaft (532). The second hinge shaft (532) is hinged to the second hinge slot (521).

13. The expandable folding cabinet according to claim 12, characterized in that, The connecting rod (53) includes a first connecting part (533), a bending part (534), and a second connecting part (535) connected in sequence. The first hinge shaft (531) is located at the end of the first connecting part (533) away from the bending part (534), and the second hinge shaft (532) is located at the end of the second connecting part (535) away from the bending part (534).

14. The expandable folding cabinet according to claim 11 or 12, characterized in that, The flipping mechanism (5) also includes a fixed seat (54), which is fixedly connected to the side of the uppermost folding cabinet (2) of the expandable folding cabinet, and the first hinge seat (51) is snapped into the fixed seat (54).

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