Lockable multi-module splicing structure

Through the combined design of slide rail, buckle and lead seal screws, the rapid splicing and overall lead seal of the modular power meter are realized, solving the problem of cumbersome operation of the modular power meter in the existing technology, and improving construction and after-sales efficiency.

CN223065384UActive Publication Date: 2025-07-04JIANGSU SFERE ELECTRIC
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Patent Information

Application Number
CN202422389928.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-07-04
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

The modules of the modular power meter need to connect multiple lead-sealable parts and wire the terminals to seal, resulting in cumbersome operation and affecting construction and after-sales efficiency.

Method used

It adopts a lockable multi-module splicing structure, and through the combined design of slide rail, buckle and lead sealing screws, it realizes rapid splicing and lead sealing between modules. Only the first protective cover is required to achieve the overall lead sealing.

Benefits of technology

The installation and maintenance process of modular power meter is simplified, construction efficiency is improved, and after-sales difficulty and cost are reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lockable multi-module splicing structure which at least comprises a first module, a first protective cover, a second module, a second protective cover, a lead sealing screw and a lead sealing cover, the second protective cover is arranged at the top of the second module, the first module is arranged on the right side of the second module, the first protective cover is arranged at the top of the first module, and the second protective cover is arranged at the right side of the second module. The second module, the second protective cover, the first module and the first protective cover are sequentially assembled and locked; a slide rail and a second hasp are arranged on the right side surface of the second module, and a second lock catch is arranged above the second hasp; the right side face of the second protective cover extends to form a boss. A sliding groove and a first hasp are arranged on the left side face of the first module, a first lock catch is arranged above the first hasp, and a lead sealing nut is embedded in the first module. A lock catch groove is formed in the bottom surface of the left side of the first protective cover; a flange extends above the left side of the first protective cover; the first protective cover is provided with a lead sealing screw groove, and the lead sealing screw groove corresponds to the lead sealing nut of the first module.
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Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a lockable multi-module splicing structure. Background Art

[0002] Structural parts are needed to connect and fix the modules of a modular electric energy meter. The usual splicing method is to use additional accessories to fixedly connect the modules. Since the electric energy meter has anti-disassembly requirements, the fixed positions need to be sealed with lead seals to prevent disassembly, and the wiring ports of the electric energy meter also need to be sealed with lead seals to prevent rewiring. As a result, the modular electric energy meter requires multiple lead-sealable parts to seal the connections between the modules and the wiring ports of each module, which is cumbersome to operate and affects the construction efficiency. When the module needs to be repaired, multiple lead seals need to be damaged to disassemble the module. After the repair is completed, multiple lead-sealing operations need to be carried out again, which affects the after-sales efficiency and increases the after-sales difficulty. Summary of the Utility Model

[0003] Aiming at the problems and deficiencies existing in the prior art, the utility model provides a novel lockable multi-module splicing structure.

[0004] The utility model solves the above technical problems through the following technical solutions:

[0005] The utility model provides a lockable multi-module splicing structure, which at least includes a first module, a first protective cover, a second module, a second protective cover, a lead-sealing screw and a lead-sealing cover. The second protective cover is arranged on the top of the second module, the first module is arranged on the right side of the second module, the first protective cover is arranged on the top of the first module, and the second module, the second protective cover, the first module and the first protective cover are assembled and locked in sequence;

[0006] Sliding rails and a second buckle are arranged at both ends of the right side surface of the second module. The second buckle is located inside the sliding rails, and a second lock buckle extends upward above the second buckle;

[0007] A convex platform extends from the right side surface of the second protective cover;

[0008] A chute matching the sliding rail of the second module and a first buckle matching the second buckle are arranged on the left side surface of the first module. A first lock buckle matching the second lock buckle extends upward above the first buckle, and a lead-sealing nut matching the lead-sealing screw is embedded in the first module;

[0009] A lock buckle groove matching the first lock buckle of the first module is arranged on the left bottom surface of the first protective cover, and a baffle matching the convex platform of the second module extends above the left side of the first protective cover; a lead-sealing screw groove is arranged on the first protective cover, and the lead-sealing screw groove is correspondingly arranged with the lead-sealing nut of the first module;

[0010] During assembly, the second protective cover is installed on the top of the second module to cover the terminal of the second module. The first module is inserted into the slide rail of the second module through the chute of the first module from the upper right side of the second module. The bottom surface of the first buckle of the first module and the top surface of the second buckle of the second module are both set as inclined surfaces. The bottom surface of the first buckle of the first module contacts the top surface of the second buckle of the second module. As the first module moves downward, the first buckle of the first module moves to the lower part of the second buckle of the second module and is snap-connected with the second buckle of the second module. When inserted to the bottom, the first buckle of the first module is snap-connected with the second buckle of the second module, and the first lock of the first module fits with the second lock of the second module. The first protective cover is installed on the top of the first module to cover the terminal of the first module. The lock groove of the first protective cover wraps the second lock of the second module and the first lock of the first module, preventing the first buckle of the first module and the second buckle of the second module from deforming and disengaging, and preventing the first module from detaching from the second module. The edge of the first protective cover covers the boss of the second protective cover, preventing the second protective cover from disengaging upward from the second module. The lead seal screw is screwed into the lead seal nut through the lead seal screw groove to lock the first protective cover to the first module. The lead seal cover seals the lead seal screw groove of the first protective cover.

[0011] During disassembly, the lead seal cover is damaged, the lead seal screw is unscrewed, and the first protective cover is removed by moving it upward, so that the edge of the first protective cover disengages from the boss of the second protective cover, and the lock groove of the first protective cover disengages from the first buckle of the first module and the second buckle of the second module. The first module is moved upward, the first buckle of the first module and the second buckle of the second module deform and disengage, and the first module detaches from the second module. The first protective cover is moved upward to remove the first protective cover.

[0012] Preferably, it further includes at least one third module. A third protective cover is provided on the top of the third module, and the third module is arranged between the second module and the first module.

[0013] The right side of the third module has the same structure as the right side of the second module, and has a slide rail, a second buckle and a second lock. The left side of the third module has the same structure as the left side of the first module, and has a first chute, a first buckle and a first lock.

[0014] A boss identical to the one on the right side of the second protective cover is provided on the right side of the third protective cover. A retaining edge identical to the one above the left side of the first protective cover is provided above the left side of the third protective cover, and a lock groove identical to the one on the left bottom surface of the first protective cover is provided on the left bottom surface.

[0015] Preferably, the third module is installed on the right side of the second module. After the second protective cover is installed on the top of the second module, the third module is inserted into the second module from the upper right side of the second module through the sliding groove of the third module and the sliding rail of the second module. When inserted to the bottom, the first buckle of the third module engages with the second buckle of the second module, and the first lock of the third module fits with the second lock of the second module. The third protective cover is installed on the top of the third module to cover the wiring terminal of the third module. The lock groove of the third protective cover encloses the second lock of the second module and the first lock of the third module, preventing the first buckle of the third module from deforming and disengaging from the second buckle of the second module, and preventing the third module from detaching from the second module. The retaining edge of the third protective cover covers the boss of the second protective cover, preventing the second protective cover from disengaging upward from the second module.

[0016] Preferably, the first module is installed on the right side of the third module. After the third protective cover is installed on the top of the third module, the first module is inserted into the third module from the upper right side of the third module through the sliding groove of the first module and the sliding rail of the third module. When inserted to the bottom, the first buckle of the first module engages with the second buckle of the third module, and the first lock of the first module fits with the second lock of the third module. The first protective cover is installed on the top of the first module to cover the wiring terminal of the first module. The lock groove of the first protective cover encloses the second lock of the third module and the first lock of the first module, preventing the first buckle of the first module from deforming and disengaging from the second buckle of the third module, and preventing the first module from detaching from the third module.

[0017] Preferably, the top surface of the first buckle of the first module and the bottom surface of the second buckle of the second module are both provided as inclined surfaces. When the first buckle of the first module engages with the second buckle of the second module, the top surface of the first buckle of the first module abuts against the bottom surface of the second buckle of the second module. After removing the first protective cover and moving the first module upward, the first buckle of the first module deforms and disengages from the second buckle of the second module, allowing the first module to detach from the second module.

[0018] The positive and progressive effects of the present utility model are as follows:

[0019] The utility model relates to a lockable multi-module splicing structure, which at least comprises a first module, a first protective cover, a second module, a second protective cover, a lead seal screw and a lead seal cover; the second protective cover is installed in the second module to cover the wiring terminal of the second module; the sliding groove of the first module is aligned with the sliding rail of the second module for installation, the first buckle of the first module is buckled with the second buckle of the second module, the first protective cover is installed in the first module to cover the wiring terminal of the first module, and the first protective cover is lead-sealed through the lead seal screw and the lead seal cover to complete the splicing and assembly of the first module and the second module; at this time, the lock groove on the first protective cover wraps the second lock of the second module and the first lock of the first module, so that the buckles of the first module and the second module cannot be deformed and disengaged to become dead buckles that cannot be removed. At the same time, the convex platform of the second protective cover is covered by the edge of the first protective cover, so that the second protective cover cannot be removed either. Therefore, only by lead-sealing the first protective cover can the overall lead-sealing requirement be achieved, which is convenient for installation.

[0020] Further, it further comprises a third module and a third protective cover. The third module and the third protective cover are arranged between the second module, the second protective cover and the first module, the first protective cover, and are connected to the second module, the second protective cover and the first module, the first protective cover in the same connection manner to realize the expansion of the module, and the lead-sealing method remains unchanged.

[0021] Further, the first buckle of the first module and the second buckle of the second module are both inclined live buckles. Without using tools to apply a force in the opposite direction of the installation direction to the first module, the first module can be detached by disengaging the buckle, destroying the lead seal, and the disassembly can be realized by following the steps opposite to the assembly process, which is convenient for maintenance. Description of the Drawings

[0022] Figure 1 It is a schematic exploded view of the lockable multi-module splicing structure of this embodiment;

[0023] Figure 2 It is a schematic structural view of the first module of this embodiment;

[0024] Figs. 3(a)-(b) are schematic structural views of the first protective cover of this embodiment;

[0025] Figure 4 It is a schematic structural view of the second module of this embodiment;

[0026] Figure 5 It is a schematic structural view of the second protective cover of this embodiment;

[0027] Figs. 6(a)-(b) are schematic structural views of the third module of this embodiment;

[0028] Figure 7 It is a schematic structural view of the third protective cover of this embodiment;

[0029] Figures 8(a)-(g) are schematic diagrams showing the splicing and assembly process of the first module and the second module in this embodiment;

[0030] Figures 9(a)-(d) are schematic diagrams showing the disassembly process of the first module and the second module in this embodiment;

[0031] Figures 10(a)-(c) are schematic diagrams showing the splicing and assembly process of the first module, the second module and the third module in this embodiment; among them, 10(a) and 10(b) are schematic diagrams showing the splicing and assembly process of the first module, the second module and one third module; 10(c) is a schematic diagram showing the completion of the splicing and assembly of the first module, the second module and multiple third modules.

[0032] In the figures:

[0033] 1 - First module; 1a - Slide groove; 1b - First buckle; 1c - First lock; 1d - Sealing nut;

[0034] 2 - First protective cover; 2a - Sealing screw groove; 2b - Lock groove; 2c - Flange;

[0035] 3 - Second module; 3a - Slide rail; 3b - Second buckle; 3c - Second lock;

[0036] 4 - Second protective cover; 4a - Boss;

[0037] 5 - Third module; 5a - Slide groove; 5b - First buckle; 5c - First lock; 5d - Slide rail; 5e - Second buckle; 5f - Second lock; 5-1 - Third module; 5-2 - Third module;

[0038] 6 - Third protective cover; 6a - Flange; 6b - Boss; 6c - Lock groove; 6-1 - Third protective cover; 6-2 - Third protective cover. Detailed implementation manners

[0039] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0040] As Figure 1 shown, this embodiment provides a lockable multi-module splicing structure, which at least includes a first module 1, a first protective cover 2, a second module 3, a second protective cover 4, a sealing screw 7 and a sealing cap 8.

[0041] AsFigure 2 As shown in the figure, on the left side of the first module 1, there are a chute 1a and a first buckle 1b distributed at both ends. Above each first buckle 1b, there is a first lock 1c distributed. The first module 1 is embedded with a lead seal nut 1d.

[0042] As shown in Figure 3, the first protective cover 2 is provided with a lead seal screw groove 2a corresponding to the lead seal nut 1a of the first module 1. On the left bottom surface, there is a lock groove 2b, and on the upper left side, there is a rib 2c extending.

[0043] As Figure 4 shown, on both ends of the right side of the second module 3, there are slide rails 3a and a second buckle 3b. Above the second buckle 3b, there is a second lock 3c extending.

[0044] As Figure 5 shown, on the right side of the second protective cover 4, there is a boss 4a extending, which is correspondingly arranged with the rib 2c of the first protective cover 2.

[0045] For the lockable multi-module splicing structure provided in this embodiment, a third module 5 and a third protective cover 6 can also be set; the third protective cover 6 is arranged on the top of the third module 5. The third module 5 is arranged between the second module 3 and the first module 1. The third module 5 is a function expansion module, and multiple third modules 5 can be expandably installed.

[0046] As shown in Figure 6, on the left side of the third module 5, there are a chute 5a and a first buckle 5b distributed at both ends, which are the same as those on the left side of the first module 1. Above each first buckle 5b, there is a first lock 5c distributed. On the right side of the third module 5, there are slide rails 5d and a second buckle 5e distributed at both ends, which are the same as those on the right side of the second module 3. Above the second buckle 5e, there is a second lock 5f extending.

[0047] As Figure 7 shown, on the upper left side of the third protective cover 6, there is a rib 6a, which is the same as that on the upper left side of the first protective cover 2. On the left bottom surface, there is a lock groove 6c, which is the same as that on the left bottom surface of the first protective cover. On the right side, there is a boss 6b, which is the same as that on the right side of the second protective cover 4.

[0048] Figures 8(a)-(g) are schematic diagrams of the splicing and assembly process of the first module 1 and the second module 3.

[0049] As shown in Figure 8(a), first install the second protective cover 4. The second protective cover 4 can only be installed and removed vertically into the second module 3 due to structural limitations. After the second protective cover 4 is installed into the second module 3, the wiring terminal of the second module 3 is in a covered state and the wiring cannot be changed.

[0050] As shown in Figures 8(b)-(c), then install the first module 1. Align the sliding grooves 1a at both ends on the left side of the first module 1 with the sliding rails 3a at both ends on the right side of the second module 3 and insert them. The matching mode of the sliding groove 1a and the sliding rail 3a enables the first module 1 to be inserted and removed only in the vertical direction. When it is installed in place, the first buckles 1b at both ends on the left side of the first module 1 are buckled with the second buckles 3b at both ends on the right side of the second module 3. The first buckles 1b at both ends on the left side of the first module 1 and the second buckles 3b at both ends on the right side of the second module 3 are both inclined live buckles, and the first module 1 can be unbuckled and removed without using tools to apply a force in the opposite direction of the insertion direction.

[0051] As shown in Figure 8(d), the first lock catch 1c of the first module 1 and the second lock catch 1c of the second module 3 are in a fitting state.

[0052] As shown in Figures 8(e)-(f), install the first protective cover 2. The first protective cover 2 can only be inserted and removed in the vertical direction due to the structure. The first protective cover 2 covers the wiring terminals of the first module 1 and the wiring cannot be modified. The baffle 2c extending from the upper left side of the first protective cover 2 covers the boss 4a extending from the right side of the second protective cover 4, making it impossible to remove it in the insertion direction. Finally, install the lead seal screw 7 and the lead seal cover 8 to seal the first protective cover 2 to complete the splicing and assembly of the first module 1 and the second module 3.

[0053] As shown in Figure 8(g), the lock catch groove 2b on the first protective cover 2 wraps the second lock catch 1c on the second module 3 and the first lock catch 1c of the first module 1, making it impossible for the first buckles 1b at both ends on the left side of the first module 1 and the second buckles 3b at both ends on the right side of the second module 3 to deform and unfasten, becoming dead buckles that cannot be removed. At the same time, the boss 4a extending from the right side of the second protective cover 4 is covered by the baffle 2c extending from the upper left side of the first protective cover 2, making the second protective cover 4 also impossible to remove. After the splicing and assembly of the first module 1 and the second module 3, only the first protective cover 2 needs to be lead-sealed to meet the overall lead-sealing requirements.

[0054] Figures 9(a)-(d) are schematic diagrams of the disassembly process of the first module and the second module.

[0055] As shown in Figures 9(a)-(b), break the lead seal cover 8, unscrew the lead seal screw 7, and remove the first protective cover 2.

[0056] As shown in Figures 9(c)-(d), when the first protective cover 2 is removed, the lock catch groove 2b on it disengages, unlocking the first buckles 1b at both ends on the left side of the first module 1 and the second buckles 3b at both ends on the right side of the second module 3 to become live buckles. Without using tools, only by applying a force in the opposite direction of the insertion direction to the first module 1 can it be unfastened and removed.

[0057] Figures 10(a)-(b) are schematic diagrams of the splicing and assembly process of the first module, the second module, and a third module; 10(c) is a schematic diagram of the completion of the splicing and assembly of the first module, the second module, and multiple third modules.

[0058] As shown in the assembly sequence of Figure 10(a), combined with Figures 2 - 7 , after only installing the second protective cover 4 on the second module 3, the third module 5 is distributed at the left ends of the chute 5a and aligned with the slide rails 3a at the right ends of the second module 3 and installed. The matching method of the chute 5a and the slide rail 3a enables the third module 5 to be installed and removed only in the vertical direction. When installed to the bottom, the first buckles 5b at the left ends of the third module 5 are buckled with the second buckles 3b at the right ends of the second module 3. Then, the third protective cover 6 is installed. The third protective cover 6 can only be installed and removed in the vertical direction due to structural limitations. At this time, the convex platform 4a extending from the right side of the second protective cover 4 is covered by the edge 6a on the left side of the third protective cover 6. Then, the first module 1 is distributed at the left ends of the chute 1a and aligned with the slide rails 5d at the right ends of the third module 5 and installed. Then, the first protective cover 2 is installed. At this time, the convex platform 6b extending from the right side of the third protective cover 6 is covered by the edge 2c on the left side of the first protective cover 2. Finally, the first protective cover 2 is sealed with a lead seal screw 7 and a lead seal cover 8 to complete the splicing and assembly of the first module 1, the second module 3, and the third module 5. Since the convex platform 4a extending from the right side of the second protective cover 4 is covered by the edge 6a on the left side of the third protective cover 6, the convex platform 6b extending from the right side of the third protective cover 6 is covered by the edge 2c on the left side of the first protective cover 2, and the first protective cover 2, the second protective cover 4, and the third protective cover 6 can only be installed and removed in the vertical direction. After the first protective cover 2 is sealed with a lead seal, the second protective cover 4 and the third protective cover 6 cannot be removed; as shown in Figure 10(b), at this time, the lock groove 2b on the first protective cover 2 wraps the second lock 5f on the right side of the third module 5 and the first lock 1c of the first module 1, making the first buckle 1b of the first module 1 and the second buckle 5e on the right side of the third module 5 unable to deform and unfasten and become a dead buckle that cannot be removed. The lock groove 6c on the third protective cover 6 wraps the first lock 5c on the left side of the third module 5 and the second lock 3c of the second module 3, making the first buckle 5b on the left side of the third module 5 and the second buckle 3b of the second module 3 unable to deform and unfasten and become a dead buckle that cannot be removed. Therefore, after the first module 1, the second module 3, and the third module 5 are spliced and assembled, only the first protective cover 2 needs to be sealed with a lead seal to meet the overall lead seal requirement.

[0059] As shown in Fig. 10(c), multiple third modules 5 can be spliced between the first module 1 and the second module 3. Taking the splicing of two third modules 5-1 and 5-2 as an example in the figure, two third protective covers 6-1 and 6-2 are respectively arranged at the tops of the two third modules 5-1 and 5-2. More than two can also be spliced, and the principle is the same as that of splicing one third module 5. After splicing, only the first protective cover 2 needs to be sealed with lead to complete the overall lead sealing. Similarly, during maintenance, only the lead seal of the first protective cover 2 needs to be removed, and then the third protective cover 6 and the second protective cover 4 can be removed one by one, making the buckles between the modules become loose buckles, and the modules can be removed without using tools.

[0060] This multi-module splicing device with locking movable buckles is convenient and fast to install, and only needs to seal the first protective cover 2 with lead to meet the overall lead sealing requirements, improving the construction efficiency and reducing the construction difficulty. During maintenance, only the lead seal of the first protective cover 2 needs to be removed, and then the third protective cover 6 and the second protective cover 4 can be removed one by one, making the buckles between the modules become loose buckles, and the modules can be removed without using tools, greatly improving the after-sales efficiency and reducing the after-sales difficulty and after-sales cost.

[0061] Although the specific implementation manners of the present invention have been described above, those skilled in the art should understand that these are only examples. The protection scope of the present invention is defined by the appended claims. Without departing from the principle and essence of the present invention, those skilled in the art can make various changes or modifications to these implementation manners, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A lockable multi-module splicing structure, characterized in that It includes at least a first module, a first protective cover, a second module, a second protective cover, a lead seal screw and a lead seal cover. The second protective cover is disposed on the top of the second module. The first module is disposed on the right side of the second module. The first protective cover is disposed on the top of the first module. The second module, the second protective cover, the first module and the first protective cover are assembled and locked in sequence. At both ends of the right side surface of the second module, there are slide rails and a second buckle. The second buckle is located inside the slide rails. Above the second buckle, there is a second locking buckle extending. A boss extends from the right side surface of the second protective cover. On the left side surface of the first module, there is a chute matching the slide rail of the second module and a first buckle matching the second buckle of the second module. Above the first buckle, there is a first locking buckle matching the second locking buckle of the second module. Inside the first module, there is a lead seal nut matching the lead seal screw. On the left bottom surface of the first protective cover, there is a locking buckle groove matching the first locking buckle of the first module. Above the left side of the first protective cover, there is a retaining edge matching the boss of the second module. The first protective cover is provided with a lead seal screw groove, and the lead seal screw groove is correspondingly arranged with the lead seal nut of the first module. During assembly, the second protective cover is installed on the top of the second module to cover the wiring terminal of the second module. The first module is inserted into the second module from the upper right side through the chute of the first module and the slide rail of the second module. When inserted to the bottom, the first buckle of the first module is buckled with the second buckle of the second module, and the first locking buckle of the first module and the second locking buckle of the second module are in contact. The first protective cover is installed on the top of the first module to cover the wiring terminal of the first module. The locking buckle groove of the first protective cover wraps the second locking buckle of the second module and the first locking buckle of the first module, preventing the first buckle of the first module from being deformed and disengaged from the second buckle of the second module, and preventing the first module from detaching from the second module. The retaining edge of the first protective cover covers the boss of the second protective cover, preventing the second protective cover from being disengaged upward from the second module. The lead seal screw passes through the lead seal screw groove and is screwed into the lead seal nut to lock the first protective cover to the first module. The lead seal cover seals the lead seal screw groove of the first protective cover.

2. The lockable multi-module splicing structure according to claim 1, wherein It further includes at least one third module. A third protective cover is disposed on the top of the third module. The third module is disposed between the second module and the first module. The right side of the third module has the same structure as the right side surface of the second module, having slide rails, a second buckle and a second locking buckle. The left side surface of the third module has the same structure as the left side surface of the first module, having a first chute, a first buckle and a first locking buckle. On the right side of the third protective cover, there is a boss the same as that on the right side of the second protective cover. Above the left side of the third protective cover, there is a retaining edge the same as that above the left side of the first protective cover. On the left bottom surface, there is a locking buckle groove the same as that on the left bottom surface of the first protective cover.

3. The lockable multi-module splicing structure according to claim 2, wherein, The third module is installed on the right side of the second module. After the second protective cover is installed on the top of the second module, the third module is inserted into the slide rail of the second module through the chute of the third module from the upper right side of the second module. When inserted to the bottom, the first buckle of the third module is latched with the second buckle of the second module, and the first lock of the third module is in contact with the second lock of the second module. The third protective cover is installed on the top of the third module to cover the terminal of the third module. The lock groove of the third protective cover encloses the second lock of the second module and the first lock of the third module, preventing the first buckle of the third module and the second buckle of the second module from being deformed and disengaged, and preventing the third module from detaching from the second module. The edge of the third protective cover covers the boss of the second protective cover, preventing the second protective cover from being disengaged upward from the second module.

4. The lockable multi-module splicing structure according to claim 2, wherein The first module is installed on the right side of the third module. After the third protective cover is installed on the top of the third module, the first module is inserted into the slide rail of the third module through the chute of the first module from the upper right side of the third module. When inserted to the bottom, the first buckle of the first module is latched with the second buckle of the third module, and the first lock of the first module is in contact with the second lock of the third module. The first protective cover is installed on the top of the first module to cover the terminal of the first module. The lock groove of the first protective cover encloses the second lock of the third module and the first lock of the first module, preventing the first buckle of the first module and the second buckle of the third module from being deformed and disengaged, and preventing the first module from detaching from the third module.

5. The lockable multi-module splicing structure according to claim 1, characterized in that, The bottom surface of the first buckle of the first module and the top surface of the second buckle of the second module are both set as inclined surfaces. The bottom surface of the first buckle of the first module contacts the top surface of the second buckle of the second module. As the first module moves downward, the first buckle of the first module moves below the second buckle of the second module and is latched and connected with the second buckle of the second module.

6. The lockable multi-module splicing structure according to claim 1, characterized in that, The top surface of the first buckle of the first module and the bottom surface of the second buckle of the second module are both set as inclined surfaces. When the first buckle of the first module is latched and connected with the second buckle of the second module, the top surface of the first buckle of the first module abuts against the bottom surface of the second buckle of the second module. After removing the first protective cover, when the first module is moved upward, the first buckle of the first module and the second buckle of the second module are deformed and disengaged, allowing the first module to detach from the second module.

7. The lockable multi-module splicing structure according to claim 6, characterized in that, When disassembling the first module and the second module, break the lead seal cover, unscrew the lead seal screw, move the first protective cover upward to remove it, so that the flange of the first protective cover disengages from the boss of the second protective cover, and the locking groove of the first protective cover disengages from the first buckle of the first module and the second buckle of the second module; move the first module upward, the first buckle of the first module and the second buckle of the second module are deformed and disengaged, and the first module is disengaged from the second module; move the first protective cover upward to remove the first protective cover.