Grid unit of express cabinet

Abstract

A lattice unit of an express cabinet comprises a lock side plate, a rear back plate, a partition plate and a door body, the partition plate, the rear back plate and the lock side plate are assembled together to form a fixed box body, the partition plate is the bottom face or the top face of the lattice unit of the express cabinet, the rear back plate and the lock side plate form lattice side walls of the lattice unit of the express cabinet, and the door body is arranged on the door body. The door body is arranged between the upper partition plate and the lower partition plate in an openable and closable mode to form a channel for taking and placing articles from the lattice units of the express cabinet, the height of the lattice units of the express cabinet is of an adjustable structure, each lattice side wall comprises one or more lock side plates, and the lock side plates are arranged in an up-down stacked mode. Every two upper and lower adjacent lock side plates are connected through a lattice specification expansion module. The express cabinet lattice unit is simple in structure, the express cabinet lattice unit is modularized, the longitudinal specification and size of the express cabinet lattice module are expanded through the lattice specification expansion module, and the unit can be divided into two storage units with smaller specifications by arranging a middle vertical plate in the unit. The express cabinet is suitable for storing expresses of different sizes and specifications, and is very convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of storage cabinets, in particular to a compartment unit of an express cabinet. Background Art

[0002] With the continuous improvement of living standards, online shopping has become an indispensable part of people's lives. The express delivery industry has developed rapidly, and express lockers have become a must-have in residential areas and office buildings. However, existing express lockers are of a single size and are all welded from sheet metal. The fixed size of the express lockers makes the production process too slow to keep up with the pace of the industry.

[0003] There is an urgent need to develop a modular express cabinet slot unit, which can be stacked to form groups of express cabinets to improve the production efficiency of express cabinets. Summary of the Invention

[0004] In order to solve the above problems, the utility model provides a courier cabinet slot unit.

[0005] The technical solution of the present utility model is: a courier compartment unit, comprising a locking side panel, a back panel, a partition and a door body, wherein the partition panel, the back panel and the locking side panel are assembled together to form a fixed box body, wherein the partition panel is the bottom surface or the top surface of the courier compartment unit, the back panel and the locking side panel form the compartment side wall of the courier compartment unit, and the door body can be opened and closed between the upper and lower partition panels to form a passage for taking items from the courier compartment unit. The height of the courier compartment unit is an adjustable structure, and each compartment side wall includes one or more locking side panels, and the multiple locking side panels are arranged in an up-and-down manner, and the upper and lower adjacent locking side panels are connected by a compartment specification expansion module.

[0006] Preferably, the grid specification expansion module includes an expansion connection portion, which includes a plug-in connection structure for fixing and connecting the lock side panels; the side of the partition also includes an expansion connection portion.

[0007] As a further preferred embodiment, the plug-in connection structure includes a plug-in hole and a plug-in fixing pin, and the plug-in hole and the plug-in fixing pin are respectively provided on the extended connection part and the lock side plate, and the plug-in fixing pin is inserted into the plug-in hole to achieve a fixed connection.

[0008] As a further preferred embodiment, the plug-in connection structure includes a base located in the extended connection part, and the base and the side edge of the extended connection part form a sliding groove. The base is provided with a raised fixing part, and the fixing part is provided with an insertion opening set forward or backward. The lock side plate is provided with a sliding limit block and a snap pin. During installation, the sliding limit block is provided in the sliding groove and can slide along the direction of the sliding groove. After the snap pin is inserted into the insertion opening, a fixed connection between the lock side plate and the extended connection part is achieved.

[0009] As a further preferred embodiment, the base is located at a half-height position of the extended connecting part, and the fixing part on the base includes an upwardly protruding fixing part or a downwardly protruding fixing part, and the sides of these two fixing parts are provided with insertion openings, the upwardly protruding fixing part provided above the base and the downwardly protruding fixing part provided below the base are staggered with each other, and the insertion openings on the two fixing parts are also staggered with each other; the upper end or the lower end of the lock side plate is provided with a sliding limit block and a snap-in pin.

[0010] As a further preferred embodiment, when the lock side panel is fixedly connected to the grid specification expansion module or partition, several rigid structural members are installed that are arranged vertically through the lock side panel, the grid specification expansion module or partition's expansion connection portion is provided with a through hole for the rigid structural members to pass through, and when the lock side panel is fixedly connected to the grid specification expansion module or partition, the rigid structural members are inserted into the through hole for reinforced connection.

[0011] Preferably, each grid specification expansion module is L-shaped, including an expansion connection part and a back panel fixing part. The back panel is provided with a pin, and the back panel fixing part is provided with a socket for inserting the pin. After the pin is inserted into the socket, the back panel is fixedly connected.

[0012] Preferably, each grid specification expansion module is U-shaped, including two expansion connection parts and a back panel fixing part connecting the two expansion connection parts. The back panel is provided with a pin, and the back panel fixing part is provided with a socket for inserting the pin. After the pin is inserted into the socket, the back panel is fixedly connected.

[0013] Preferably, each grid specification expansion module is I-shaped, the height of the back panel is the total height of several lock side panels and grid specification expansion modules spliced ​​together, the upper and lower ends of the back panel are connected and fixed to the partition, and the side of the back panel is connected to the lock side panel and the grid specification expansion module.

[0014] Preferably, a middle vertical plate is vertically provided in the express cabinet opening unit, and the middle vertical plate divides the interior of the express cabinet opening unit into two independent spaces. A dividing groove is provided on the upper surface of the partition, and the middle vertical plate is vertically fixed in the dividing groove.

[0015] The beneficial effects of the present invention are as follows: the present invention has a simple structure, is a modular express cabinet slot unit, and can expand the longitudinal specifications of the express cabinet slot module through the slot specification expansion module. The unit can also be divided into two storage units with smaller specifications by arranging a middle vertical plate in the unit, which is suitable for storing express parcels of various sizes and is very convenient to use.

[0016] During the production process, you only need to select multiple express cabinet slot units of different sizes and stack them vertically to form a whole group of express cabinets for storing express deliveries. During the entire production process, the number of parts required to be produced is relatively small, the production speed is fast, and the production cost is greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of the utility model when viewed from the front in a single-door state.

[0018] Figure 2 This is a schematic structural diagram of the utility model when viewed from the front in a double-door state.

[0019] Figure 3 This is a schematic diagram of the internal structure of the express cabinet compartment unit of Example 1 of the present utility model.

[0020] Figure 4 This is a structural diagram of a courier cabinet when a middle vertical plate is provided in a compartment unit in Example 1 of the present utility model.

[0021] Figure 5 This is a schematic diagram of the connection relationship between the back panel, lock side panels, and grid specification expansion module of Example 1 of the present utility model observed from the front.

[0022] Figure 6 This is a schematic structural diagram of Example 1 of the present invention as viewed from the rear.

[0023] Figure 7 This is one of the three-dimensional structural schematic diagrams of the lock side plate of the present utility model.

[0024] Figure 8 This is the second schematic diagram of the three-dimensional structure of the lock side plate of the present invention.

[0025] Figure 9 This is a schematic diagram of the I-shaped structure of the grid specification expansion module in Example 1 of the present utility model.

[0026] Figure 10 This is a cross-sectional view of the lock side panel and the grid specification expansion module after assembly and connection in Example 1 of the present utility model.

[0027] Figure 11This is a schematic diagram of the connection relationship between the lock side panel, the back panel and the grid specification expansion module in Example 1 of the present utility model.

[0028] Figure 12 This is a schematic diagram of the L-shaped structure of the grid specification expansion module in Example 2 of the present utility model.

[0029] Figure 13 Schematic diagram of the connection relationship between the lock side panel, the back panel and the slot specification expansion module in Example 2 of the present utility model.

[0030] Figure 14 This is a schematic structural diagram of Example 3 of the present utility model observed from the rear.

[0031] Figure 15 This is a schematic diagram of the U-shaped structure of the grid specification expansion module in Example 3 of the present utility model.

[0032] Figure 16 Schematic diagram of the connection relationship between the lock side panel, the back panel and the grid specification expansion module in Example 3 of the present utility model.

[0033] Figure 17 This is a schematic diagram of the connection relationship between the lock side panel and the grid specification expansion module in Example 4 of the present utility model.

[0034] Description of labels

[0035] 1: Door body; 2: Partition; 3: Lock side panel; 4: Grid specification expansion module; 6: Rigid structural member; 7: Extension connection part; 8: Back panel; 9: Dividing groove; 10: Middle vertical plate; 11: Through hole; 12: Sliding limit block; 13: Snap-in pin; 14: Sliding groove; 15: Fixing part; 15-1: Upward-protruding fixing part; 15-2: Downward-protruding fixing part; 16: Insertion opening; 17: Base; 18: Socket; 19: Back panel fixing part; 20: Pin; 21: Plug-in fixing pin; 22: Plug-in hole. DETAILED DESCRIPTION

[0036] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0037] Example 1

[0038] like Figure 1 、 3As shown in Figures 5 and 6, a courier compartment unit includes a locking side panel 3, a back panel 8, a partition 2, and a door body 1. The partition 2, back panel 8, and locking side panel 3 are assembled together to form a fixed box body. The partition 2 is the bottom or top surface of the courier compartment unit. The back panel 8 and locking side panel 3 form the compartment side wall of the courier compartment unit. The door body 1 is hinged between the upper and lower partitions 2 to form a passage for taking items from the courier compartment unit. The height of the courier compartment unit is adjustable. Each compartment side wall includes one or more locking side panels 3. Multiple locking side panels 3 are arranged in an up-and-down manner. The upper and lower adjacent locking side panels 3 are connected by a compartment specification expansion module 4. When each compartment side wall includes only one locking side panel 3, the entire courier compartment unit is at the lowest height, and there is no need to use the compartment specification expansion module 4. The upper and lower sides of the locking side panel 3 can be directly connected to the partition 2. When the height of the express cabinet compartment needs to be increased, the compartment sidewalls are constructed by stacking two or more locking side panels 3. Adjacent locking side panels 3 are connected via a compartment expansion module 4. Stacking different numbers of locking side panels 3 creates express cabinet compartments of varying heights. The compartment expansion module 4 includes an expansion connector 7, which includes a plug-in connection structure that securely connects to the locking side panels 3. The side edges of the partition 2 also include expansion connectors 7. The plug-in connection structure includes a base 17 located in the extended connection part 7, and the base 17 and the side edge of the extended connection part 7 form a sliding groove 14. The base 17 is provided with a raised fixing part 15, and the fixing part 15 is provided with an insertion opening 16 set forward or backward. The lock side plate 3 is provided with a sliding limit block 12 and a snap-in pin 13. During installation, the sliding limit block 12 is provided in the sliding groove 14 and can slide along the direction of the sliding groove 14. After the snap-in pin 13 is inserted into the insertion opening 16, a fixed connection between the lock side plate 3 and the extended connection part 7 is achieved.

[0039] like Figure 7-11 As shown, in this embodiment, each grid specification expansion module 4 is I-shaped, and the height of the back panel 8 is the total height of the plurality of locking side panels 3 and grid specification expansion modules 4 assembled together. The upper and lower ends of the back panel 8 are fixedly connected to the partition 2, and the side surfaces of the back panel 8 are connected to the locking side panels 3 and the grid specification expansion modules 4. The connection method between the back panel 8 and the locking side panels 3 can adopt existing technologies, or it can be achieved by providing connecting grooves on the side edges of the back panel 8, providing connecting pins at the ends of the locking side panels 3 and the grid specification expansion modules 4, and setting the connecting pins in the connecting grooves for connection. Alternatively, it can be achieved by providing connecting grooves at the ends of the locking side panels 3 and the grid specification expansion modules 4, and providing connecting pins on the side edges of the back panel 8.

[0040] As a further preferred embodiment, the base 17 is located halfway up the height of the expansion connector 7. The fixing portion 15 on the base 17 includes an upwardly projecting fixing portion 15-1 or a downwardly projecting fixing portion 15-2. Both fixing portions have insertion openings 16 on their sides. The upwardly projecting fixing portion 15-1 located above the base 17 and the downwardly projecting fixing portion 15-2 located below the base 17 are staggered, and the insertion openings 16 on these two fixing portions 15 are also staggered. The fixing portions 15 located on the upper and lower sides of the base 17 are not aligned longitudinally, so that the upper and lower sides of the expansion connector 7 do not interfere with each other when the latching pins 13 are inserted. The upper and lower ends of the locking side panels 3 are provided with sliding stoppers 12 and latching pins 13. This allows for the installation of a single slot expansion module 4 on both sides. In actual production, a single mold is required, and the resulting I-type slot expansion module 4 can be installed on either the left or right side of the express cabinet slot unit.

[0041] In this embodiment, Figure 2 As shown, when the lock side panel 3 is fixedly connected to the grid specification expansion module 4 or the partition 2, several rigid structural members 6 are installed that are arranged vertically through the lock side panel 3, the grid specification expansion module 4 or the partition 2. The expansion connection part 7 of the lock side panel 3, the grid specification expansion module 4 or the partition 2 is provided with a through hole 11 for the rigid structural member 6 to pass through. When the lock side panel 3 is fixedly connected to the grid specification expansion module 4 or the partition 2, the rigid structural member 6 is inserted into the through hole 11 for reinforcement connection.

[0042] Example 2

[0043] The difference between this embodiment and embodiment 1 is that: Figure 12-13 As shown, each slot specification expansion module 4 is L-shaped, including an expansion connection portion 7 and a back panel fixing portion 19. The back panel 8 is provided with a latch 20, and the back panel fixing portion 19 is provided with a socket 18 for inserting the latch 20. After the latch 20 is inserted into the socket 18, the back panel 8 is fixedly connected. In actual use, two slot specification expansion modules 4 are set opposite each other, as shown in FIG. Figure 13 As shown, after being combined, the two back panel fixing portions 19 abut against each other to connect the back panel 8. In this embodiment, the installation height of the back panel fixing portion 19 is the same as the installation height of a single lock side panel 3. The back panel 8 and the lock side panel 3 can be connected using existing technology. Alternatively, a connection groove can be provided on the side edge of the back panel 8, a connection pin can be provided at the end of the lock side panel 3, and the connection pin can be set in the connection groove. Alternatively, the connection groove can be provided at the end of the lock side panel 3 and a connection pin can be provided on the side edge of the back panel 8.

[0044] As a further preferred embodiment, the base 17 is located at the mid-height of the expansion connector 7. The fixing portion 15 on the base 17 includes an upwardly protruding fixing portion 15-1 or a downwardly protruding fixing portion 15-2. Both fixing portions have insertion openings 16 on their sides. The upwardly protruding fixing portion 15-1 located above the base 17 and the downwardly protruding fixing portion 15-2 located below the base 17 are staggered, and the insertion openings 16 on these two fixing portions 15 are also staggered. A sliding stop block 12 and a latching pin 13 are provided at either the upper or lower end of the locking side panel 3. This allows for installation on both sides of the slot expansion module 4.

[0045] In this embodiment, Figure 2 As shown, when the lock side panel 3 is fixedly connected to the grid specification expansion module 4 or the partition 2, several rigid structural members 6 are installed that are arranged vertically through the lock side panel 3, the grid specification expansion module 4 or the partition 2. The expansion connection part 7 of the lock side panel 3, the grid specification expansion module 4 or the partition 2 is provided with a through hole 11 for the rigid structural member 6 to pass through. When the lock side panel 3 is fixedly connected to the grid specification expansion module 4 or the partition 2, the rigid structural member 6 is inserted into the through hole 11 for reinforcement connection.

[0046] Example 3

[0047] The difference between this embodiment and embodiments 1 and 2 is that: Figure 14-16 As shown, each grid specification expansion module 4 is U-shaped and includes two expansion connection parts 7 and a back panel fixing part 19 connecting the two expansion connection parts 7. The back panel 8 is provided with a latch 20. The back panel fixing part 19 is provided with a socket 18 for inserting the latch 20. After the latch 20 is inserted into the socket 18, the back panel 8 is fixedly connected. As a further preferred solution, the base 17 is located at the half-height position of the expansion connection part 7. The fixing part 15 on the base 17 includes an upwardly protruding fixing part 15-1 or a downwardly protruding fixing part 15-2. The sides of these two fixing parts are provided with insertion openings 16. The upwardly protruding fixing part 15-1 located above the base 17 and the downwardly protruding fixing part 15-2 located below the base 17 are staggered. The insertion openings 16 on these two fixing parts 15 are also staggered. The fixing portions 15 on the upper and lower sides of the base 17 are not aligned longitudinally, preventing interference between the upper and lower sides of the expansion connector 7 when inserted into the engaging pins 13. The upper and lower ends of the locking side panels 3 are provided with sliding stoppers 12 and engaging pins 13. This allows for installation of the expansion module 4 on either side, eliminating the need to distinguish between the front and back sides, thus facilitating installation.

[0048] When the lock side panel 3 is fixedly connected to the grid specification expansion module 4, several rigid structural members 6 are installed that pass through the upper and lower parts; the lock side panel 3, the grid specification expansion module 4 or the expansion connection part 7 of the partition 2 are all provided with through holes 11 for the rigid structural members 6 to pass through.

[0049] Example 4

[0050] The difference between this embodiment and embodiments 1, 2, and 3 is that: Figure 17 As shown, the plug-in connection structure includes a plug-in hole 22 and a plug-in fixing pin 21, and the plug-in hole 22 and the plug-in fixing pin 21 are respectively provided on the extension connection part 7 and the lock side plate 3. The plug-in fixing pin 21 is inserted into the plug-in hole 22 to achieve a fixed connection.

[0051] like Figure 17 For example, above the extended connection portion 7 is a plug hole 22, and the lower side of the lock side plate 3 above the extended connection portion 7 is provided with a plug-in fixing pin 21 that is inserted into the plug hole 22. The plug-in fixing pin 21 is inserted into the plug hole 22 to achieve a fixed connection. This is the connection structure when the lock side plate 3 is located above the extended connection portion 7. When the lock side plate 3 is located below the extended connection portion 7, the lower side of the extended connection portion 7 is provided with a plug-in fixing pin 21, and the upper side of the lock side plate 3 is provided with a plug-in hole 22. The plug-in fixing pin 21 below the extended connection portion 7 is inserted into the plug hole 22 on the lower lock side plate 3 to achieve a fixed connection. In actual production, the plug-in fixing pin 21 can also be provided above the extended connection portion 7 and the plug hole 22 can be provided below the extended connection portion 7. The positions of the plug-in fixing pin 21 and the plug hole 22 on the lock side plate 3 can also be adaptively adjusted, which also falls within the scope of protection of this application.

[0052] The grid specification expansion module 4 is I-shaped, L-shaped or U-shaped, and the other specific structures of the three are as described in Examples 1, 2, and 3. When the lock side panel 3 is fixedly connected to the grid specification expansion module 4, several rigid structural members 6 are installed that are arranged vertically; the lock side panel 3, the grid specification expansion module 4 or the expansion connection part 7 of the partition 2 are all provided with a through hole 11 for the rigid structural member 6 to pass through.

[0053] Example 5

[0054] On the basis of embodiments 1, 2, 3 and 4, a middle vertical plate 10 is vertically provided in the express cabinet compartment unit, such as Figure 4 As shown, the middle vertical plate 10 divides the interior of the express cabinet compartment unit into two independent spaces. A dividing groove 9 is provided on the upper surface of the partition 2, and the middle vertical plate 10 is vertically fixed in the dividing groove 9.

[0055] In the description of the specification of the present invention, it should be understood that the terms "upper", "lower", "end", "side", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0056] In this utility model, unless otherwise specified or limited, the term "connection" and other terms should be understood in a broad sense. For example, it can mean fixed connection, detachable connection, or integration; it can be directly connected or indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A courier cabinet slot unit, characterized in that The express cabinet comprises a lock side panel (3), a back panel (8), a partition panel (2) and a door body (1), wherein the partition panel (2), the back panel (8) and the lock side panel (3) are assembled together to form a fixed box body, wherein the partition panel (2) is the bottom surface or the top surface of the express cabinet grid unit, and the back panel (8) and the lock side panel (3) form the grid side wall of the express cabinet grid unit. The door body (1) is openable and closable and is arranged between the upper and lower partition panels (2), forming a passage for taking items from the express cabinet grid unit. The height of the express cabinet grid unit is an adjustable structure, and each grid side wall comprises one or more lock side panels (3), and the multiple lock side panels (3) are arranged in an up-down manner, and the upper and lower adjacent lock side panels (3) are connected by a grid specification expansion module (4).

2. The express cabinet slot unit according to claim 1, characterized in that The grid specification expansion module (4) includes an expansion connection portion (7), and the expansion connection portion (7) includes a plug-in connection structure for fixing the connection lock side plate (3); the side of the partition (2) also includes an expansion connection portion (7).

3. The express cabinet slot unit according to claim 2, characterized in that The plug-in connection structure comprises a plug-in hole (22) and a plug-in fixing pin (21), wherein the plug-in hole (22) and the plug-in fixing pin (21) are respectively provided on the extended connection portion (7) and the lock side plate (3), and the plug-in fixing pin (21) is inserted into the plug-in hole (22) to achieve a fixed connection.

4. The express cabinet slot unit according to claim 2, characterized in that The plug-in connection structure includes a base (17) located in the extended connection part (7), and the base (17) and the side edge of the extended connection part (7) form a sliding groove (14). The base (17) is provided with a raised fixing part (15), and the fixing part (15) is provided with an insertion opening (16) set forward or backward. The lock side plate (3) is provided with a sliding limit block (12) and a snap-in pin (13). During installation, the sliding limit block (12) is provided in the sliding groove (14) and can slide along the direction of the sliding groove (14). After the snap-in pin (13) is inserted into the insertion opening (16), the lock side plate (3) and the extended connection part (7) are fixedly connected.

5. The express cabinet slot unit according to claim 4, characterized in that The base (17) is located at a half-height position of the extended connecting portion (7), and the fixing portion (15) on the base (17) includes an upwardly protruding fixing portion (15-1) or a downwardly protruding fixing portion (15-2), and the sides of these two fixing portions are both provided with insertion openings (16). The upwardly protruding fixing portion (15-1) provided above the base (17) and the downwardly protruding fixing portion (15-2) provided below the base (17) are staggered, and the insertion openings (16) on the two fixing portions (15) are also staggered; the upper end or the lower end of the lock side plate (3) is provided with a sliding limit block (12) and a snap-in pin (13).

6. The express cabinet slot unit according to claim 2, characterized in that When the locking side panel (3) is fixedly connected to the grid specification expansion module (4) or the partition (2), a plurality of rigid structural members (6) are installed that are arranged to pass through the upper and lower parts; the extended connection parts (7) of the locking side panel (3), the grid specification expansion module (4) or the partition (2) are all provided with through holes (11) for the rigid structural members (6) to pass through; when the locking side panel (3) is fixedly connected to the grid specification expansion module (4) or the partition (2), the rigid structural members (6) are inserted into the through holes (11) for reinforcing the connection.

7. The express cabinet slot unit according to any one of claims 1 to 6, characterized in that Each grid specification expansion module (4) is L-shaped, including an expansion connection portion (7) and a back panel fixing portion (19), the back panel (8) is provided with a latch (20), and the back panel fixing portion (19) is provided with a socket (18) for inserting the latch (20), and the back panel (8) is fixedly connected after the latch (20) is inserted into the socket (18).

8. The express cabinet slot unit according to any one of claims 1 to 6, characterized in that Each grid specification expansion module (4) is U-shaped, comprising two expansion connection parts (7) and a back panel fixing part (19) connecting the two expansion connection parts (7); the back panel (8) is provided with a latch (20); the back panel fixing part (19) is provided with a socket (18) for inserting the latch (20); after the latch (20) is inserted into the socket (18), the back panel (8) is fixedly connected.

9. The express cabinet slot unit according to any one of claims 1 to 6, characterized in that Each grid specification expansion module (4) is I-shaped, and the height of the back panel (8) is the total height of the plurality of locking side panels (3) and the grid specification expansion module (4) after being spliced ​​together. The upper and lower ends of the back panel (8) are connected and fixed to the partition (2), and the side of the back panel (8) is connected to the locking side panels (3) and the grid specification expansion module (4).

10. The express cabinet slot unit according to claim 1, characterized in that A middle vertical plate (10) is vertically provided in the express cabinet compartment unit, and the middle vertical plate (10) divides the interior of the express cabinet compartment unit into two independent spaces. A dividing groove (9) is provided on the upper surface of the partition (2), and the middle vertical plate (10) is vertically fixed in the dividing groove (9).

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