Modularized electric energy metering box capable of being quickly assembled and disassembled

Abstract

The invention belongs to the technical field of power equipment, and discloses a modular quick-disassembly electric energy metering box, which comprises a metering cabinet main body, and further comprises a supporting assembly, a power supply assembly, a power supply assembly and a power supply assembly, and is characterized in that the supporting assembly is mounted in the metering cabinet main body; and the mounting assembly is arranged on the supporting assembly. According to the invention, the first mounting rack is pulled to slide along the first guide rod through the first butt-joint sliding sleeve, and the first mounting rack is pushed to move reversely along the first guide rod through the first butt-joint sliding sleeve to the interior of the metering cabinet main body, so that the first mounting rack is in contact with the first magnet, and the positioning and fixing of the first mounting rack are realized; in the process, the situation that installation operation of the power control device is extremely inconvenient due to the fact that the internal space of the metering cabinet body is narrow and the structural depth is large is avoided. Meanwhile, in the later maintenance process, if the power control device in the box breaks down, maintenance personnel can conveniently and rapidly disassemble and replace damaged parts, and the equipment maintenance efficiency and the power supply reliability are guaranteed.

Description

Technical Field

[0001] This invention belongs to the field of power equipment technology, specifically a modular, quick-assembly and disassembly power metering box. Background Technology

[0002] An electricity metering box is a standardized, dedicated enclosure used in power systems for the integrated installation, physical protection, and standardized management of electricity metering devices (such as smart meters and mechanical meters) and their supporting equipment. Its core function is to achieve accurate measurement of electricity data, security protection, and system compatibility through structured design.

[0003] Currently, electricity metering boxes mainly consist of a box body, an internal beam frame, and power control devices installed on the beam frame. Existing designs fix the beam frame inside the box body, and the power control devices are fastened to the beam frame with screws. However, due to the small internal space and large structural depth of the electricity metering box, the installation and operation of the power control devices are extremely inconvenient. Especially during later maintenance, if the power control devices inside the box malfunction, due to the compact structure of the box and insufficient operating space, maintenance personnel find it difficult to quickly disassemble and replace the damaged parts, which seriously affects the equipment maintenance efficiency and power supply reliability. Therefore, a modular, quick-disassembly and assembly electricity metering box is proposed. Summary of the Invention

[0004] To address the problems mentioned in the background section, this invention provides a modular, quick-assembly and disassembly power metering box. This solves the problem that existing power metering boxes use beam frames to fix power control devices, but are limited by the small space and deep structure, resulting in difficult installation and maintenance, low efficiency in replacing faulty components, and impact on power supply reliability.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a modular, quick-assembly and disassembly power metering box, comprising a metering cabinet body, and further comprising: A support assembly, which is installed inside the main body of the metering cabinet; Mounting components are disposed on the support components; The support assembly includes a first mounting frame, a fixing frame is fixedly mounted on the inner wall of the metering cabinet body, a first guide rod is fixedly mounted on the fixing frame, and the first mounting frame slides on the first guide rod through a first docking sleeve; The first docking sleeve is installed on the top of the first mounting bracket and away from the operating window end of the metering cabinet body; A support rod is fixedly mounted on the first mounting bracket, and the mounting assembly is mounted on the support rod; Initially, the first mounting bracket is located at one end of the first guide rod and away from the operation window of the metering cabinet body via the first docking sleeve. By pulling the first mounting bracket along the first guide rod via the first docking sleeve, the first mounting bracket gradually moves closer to the operation window of the metering cabinet body, and the mounting component can be installed on the receiving rod.

[0006] Preferably, a first support frame is fixedly mounted on the fixed frame at a position away from the main operating window of the metering cabinet, and a first magnet is fixedly mounted at both ends of the first support frame; The first mounting bracket is made of metal.

[0007] Preferably, the mounting assembly includes a first C-shaped support frame fixedly mounted on the support rod, a mandrel fixedly mounted on the first C-shaped support frame, a second C-shaped support frame movably sleeved on the outside of the mandrel, and a docking frame fixedly mounted on the side of the second C-shaped support frame.

[0008] Preferably, the bottom of the first C-shaped support frame is provided with a baffle, and the bottom of the second C-shaped support frame overlaps the baffle in a horizontal state.

[0009] Preferably, the mounting assembly further includes a power control component, and a crossbeam is provided at the lower end of the back of the power control component; Both the crossbeam frame and the docking frame are provided with two sets of docking holes to keep them coaxial. The crossbeam frame and the docking frame are connected by a locking pin passing through the docking holes.

[0010] Preferably, the support assembly is provided with a flipping assembly, the flipping assembly including a second mounting bracket, the second mounting bracket sliding on the first guide rod via a second docking sleeve; The fixed frame is provided with a limiting block for the maximum sliding stroke of the second docking sleeve; When the first mounting bracket and the second mounting bracket are initially located at the end of the first guide rod and away from the operation window end of the metering cabinet body via the first docking sleeve and the second docking sleeve, the second mounting bracket, the first mounting bracket and the two first magnets are in contact.

[0011] Preferably, a limit rod is fixedly mounted on the second mounting bracket, and a U-shaped bracket is mounted on the top of the power control component via an L-shaped bracket; The U-shaped frame engages with the outside of the limiting rod.

[0012] Preferably, the initial power control component is vertically mounted on the baffle of the first C-shaped support frame via the second C-shaped support frame, and the U-shaped frame is engaged with the outside of the limiting rod. Pulling the first mounting frame limits the U-shaped frame and the power control component through the limiting rod, so that the power control component rotates around the spindle as the central axis.

[0013] Preferably, the support assembly, mounting assembly, and flipping assembly are arranged in two sets inside the main body of the metering cabinet. A second support frame is fixedly mounted on the outside of the lower first mounting frame, and a metal part is fixedly mounted on the side of the upper first mounting frame. A second magnet that contacts the metal part is provided at the upper end of the second support frame.

[0014] Preferably, pulling the lower first mounting bracket contacts the metal part on the side of the upper first mounting bracket via the second magnet, causing the two sets of support components to move synchronously. The length of the upper support component is shorter than the length of the lower support component, and the upper power control component is tilted. The upper first mounting bracket cannot continue to slide, while the lower first mounting bracket continues to slide, so that the two sets of support components, mounting components and flipping components are arranged in a stepped manner.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention involves pulling the first mounting bracket, which slides along the first guide rod via the first docking sleeve, causing the first mounting bracket to disengage from the first magnet and gradually approach the operating window of the metering cabinet body. Since the first docking sleeve is installed at the top of the first mounting bracket away from the operating window of the metering cabinet body, when the first docking sleeve slides to the point where the first guide rod is close to the operating window of the metering cabinet body, the first mounting bracket extends out of the metering cabinet body, facilitating the sequential installation of the mounting components onto the receiving rod. After installation, the first mounting bracket is pushed, moving in the opposite direction along the first guide rod to the interior of the metering cabinet body via the first docking sleeve, causing the first mounting bracket to contact the first magnet and achieve positioning and fixation. This process avoids the inconvenience of installing and operating power control devices due to the small internal space and large structural depth of the metering cabinet body. Furthermore, during later maintenance, if the power control devices inside the cabinet malfunction, maintenance personnel can easily disassemble and replace the damaged parts, ensuring equipment maintenance efficiency and power supply reliability.

[0016] This invention involves pulling the first mounting bracket to slide the first docking sleeve along the first guide rod toward the operating window of the metering cabinet body. Since the U-shaped frame at the top of the power control component is engaged with the limiting rod, the power control component and the U-shaped frame are limited and blocked by the limiting rod. At this time, the power control component rotates around the spindle as its central axis, causing it to tilt. As the first mounting bracket is continuously pulled, the top of the inner wall of the U-shaped frame and the outside of the limiting rod are used to pull the second mounting bracket away from the first magnet. The second docking sleeve then moves synchronously along the first guide rod. When the first docking sleeve reaches the other end of the first guide rod, the power control component is tilted, making it easier to observe and detect its status.

[0017] This invention moves the lower first mounting bracket along the first guide rod toward the operating window of the metering cabinet body by pulling the lower first mounting bracket. Initially, the second magnet contacts the metal part on the upper first mounting bracket, causing the two sets of support components, mounting components, and flipping components to move synchronously. When both sets of power control components are in an inclined state, the upper support component cannot move because its length is shorter than that of the lower support component. At this time, the lower support component continues to move toward the operating window of the metering cabinet body, thereby achieving a stepped state for the two sets of support components, mounting components, and flipping components, which makes it easier to disassemble, assemble, and repair multiple sets of power control components. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall appearance and structure of the present invention; Figure 2 This is a top-view cross-sectional diagram of the present invention; Figure 3 This is a schematic diagram of the external structure of the support component, mounting component, and flipping component of the present invention; Figure 4 This is a schematic diagram of the side structure of the support component and the flipping component of the present invention; Figure 5 This is a schematic diagram of a partial assembly structure of the support component, mounting component, and flipping component of the present invention; Figure 6 This is a schematic diagram of the disassembled structure of the support component and the flipping component of the present invention; Figure 7 This is a schematic diagram of the disassembled structure of the support component and the mounting component of the present invention; Figure 8 This is a schematic diagram of the assembly and flipping assembly of the present invention.

[0019] In the diagram: 1. Metering cabinet body; 2. Support assembly; 21. Fixing frame; 22. First guide rod; 23. First mounting frame; 24. First docking sleeve; 25. Receiving rod; 26. First support frame; 27. First magnet; 211. Second support frame; 212. Metal part; 213. Second magnet; 3. Mounting assembly; 31. First C-shaped receiving frame; 32. Mandrel; 34. Crossbeam frame; 35. Docking frame; 36. Power control component; 37. Second C-shaped receiving frame; 4. Flipping assembly; 41. Second mounting frame; 42. Limiting rod; 43. L-shaped frame; 44. U-shaped frame; 45. Second docking sleeve. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] like Figures 1 to 8 As shown, the present invention provides a modular, quick-assembly and disassembly power metering box, including a metering cabinet body 1, and further comprising: Support component 2 is installed inside the metering cabinet body 1; Install component 3, which is mounted on support component 2; Among them, the support component 2 includes a first mounting frame 23, a fixing frame 21 is fixedly installed on the inner wall of the metering cabinet body 1, a first guide rod 22 is fixedly installed on the fixing frame 21, and the first mounting frame 23 slides on the first guide rod 22 through the first docking sleeve 24; The first docking sleeve 24 is installed on the top of the first mounting bracket 23 and is far away from the operating window end of the metering cabinet body 1; A support rod 25 is fixedly mounted on the first mounting bracket 23, and the mounting assembly 3 is mounted on the support rod 25; Initially, the first mounting bracket 23 is located at one end of the first guide rod 22 and away from the operation window of the metering cabinet body 1 via the first docking sleeve 24. Pulling the first mounting bracket 23 along the first guide rod 22 via the first docking sleeve 24 makes the first mounting bracket 23 gradually approach the operation window of the metering cabinet body 1, so that the mounting component 3 can be installed on the receiving rod 25. A first support frame 26 is fixedly installed on the fixed frame 21 at a position away from the operating window of the metering cabinet body 1. A first magnet 27 is fixedly installed at both ends of the first support frame 26. The first mounting bracket 23 is made of metal.

[0022] Initially, the first mounting bracket 23 is positioned at one end of the first guide rod 22 via the first docking sleeve 24, i.e., away from the operating window of the metering cabinet body 1. At this time, the first mounting bracket 23 is in contact with the first magnet 27. The first mounting bracket 23 is positioned by the magnetic force of the first magnet 27 attracting it. Pulling the first mounting bracket 23 along the first guide rod 22 via the first docking sleeve 24 causes it to disengage from the first magnet 27 and gradually move closer to the operating window of the metering cabinet body 1. Since the first docking sleeve 24 is installed at the top of the first mounting bracket 23 away from the operating window of the metering cabinet body 1, the first docking sleeve 24 slides until it is close to the operating window of the metering cabinet body 1. At this time, the first mounting bracket 23 extends out of the metering cabinet body 1, so that the mounting components 3 are installed on the receiving rod 25 in sequence. After the installation is completed, the first mounting bracket 23 is pushed to move in the opposite direction along the first guide rod 22 through the first docking sleeve 24 to the inside of the metering cabinet body 1, so that the first mounting bracket 23 contacts the first magnet 27, and the first mounting bracket 23 is positioned and fixed. In this process, the modular design avoids the fact that the internal space of the metering cabinet body 1 is small and the structural depth is large, which makes the installation and operation of the power control device extremely inconvenient. At the same time, in the later maintenance process, if the power control device in the box fails, the maintenance personnel can quickly disassemble and replace the damaged parts, ensuring the efficiency of equipment maintenance and the reliability of power supply.

[0023] like Figure 7 and Figure 8 As shown, the mounting assembly 3 includes a first C-shaped support frame 31 fixedly mounted on the support rod 25, a spindle 32 fixedly mounted on the first C-shaped support frame 31, a second C-shaped support frame 37 movably sleeved on the outside of the spindle 32, and a docking frame 35 fixedly mounted on the side of the second C-shaped support frame 37. The bottom of the first C-shaped support frame 31 is provided with a baffle, and the bottom of the second C-shaped support frame 37 overlaps the baffle and is in a horizontal state. Mounting assembly 3 also includes a power control component 36, and a crossbeam 34 is provided at the lower end of the back of the power control component 36; Both the crossbeam frame 34 and the docking frame 35 are provided with two sets of docking holes to keep them coaxial. The crossbeam frame 34 and the docking frame 35 are connected by a locking pin passing through the docking hole.

[0024] When the first mounting bracket 23 is pulled out near the operating window of the metering cabinet body 1, the crossbeam bracket 34 and the docking bracket 35 engage and pass through two sets of test docking holes with locking pins to achieve quick installation. This avoids the time-consuming and laborious use of screws, and the frequent disassembly and assembly can easily lead to stripping of the screw threads, which can cause the power control component 36 to become loose and affect its use. At the same time, the use of two sets of docking holes can prevent the power control component 36 from rotating vertically and coming into contact with adjacent power control components 36, which could cause a short circuit.

[0025] like Figure 5, Figure 6 and Figure 8 As shown, a flipping component 4 is provided on the support component 2. The flipping component 4 includes a second mounting bracket 41, which slides on the first guide rod 22 via a second docking sleeve 45. The fixed frame 21 is provided with a limiting block for the maximum sliding stroke of the second docking sleeve 45; When the first mounting bracket 23 and the second mounting bracket 41 are initially located at the end of the first guide rod 22 and away from the operation window end of the metering cabinet body 1 through the first docking sleeve 24 and the second docking sleeve 45, the second mounting bracket 41, the first mounting bracket 23 and the two first magnets 27 are in contact. The second mounting bracket 41 is fixedly equipped with a limit rod 42, and the top of the power control component 36 is equipped with a U-shaped bracket 44 via an L-shaped bracket 43; The U-shaped frame 44 engages with the outside of the limiting rod 42; The initial power control component 36 is vertically mounted on the baffle of the first C-shaped support frame 31 via the second C-shaped support frame 37, and the U-shaped frame 44 is engaged with the outside of the limiting rod 42. The first mounting frame 23 is pulled to limit the U-shaped frame 44 and the power control component 36 through the limiting rod 42, so that the power control component 36 rotates around the spindle 32 as the central axis.

[0026] By pulling the first mounting bracket 23, the first docking sleeve 24 slides along the first guide rod 22 toward the operating window of the metering cabinet body 1. Since the U-shaped frame 44 on the top of the power control component 36 is engaged with the limiting rod 42, the power control component 36 and the U-shaped frame 44 are limited and blocked by the limiting rod 42. At this time, the power control component 36 rotates around the spindle 32 as the central axis, causing the power control component 36 to be in an inclined state. As the first mounting bracket 23 is continuously pulled, the top of the inner wall of the U-shaped frame 44 and the outside of the limiting rod 42 are connected, thereby pulling the second mounting bracket 41 away from the first magnet 27. The second docking sleeve 45 moves synchronously along the first guide rod 22. When the first docking sleeve 24 moves to the other end of the first guide rod 22, the second docking sleeve 45 is blocked by the limiting on the fixing bracket 21 and cannot continue to move. At this time, the power control component 36 is in an inclined state, which makes it easier to observe and detect the status of the power control component 36 and avoids the power control component 36 being located inside the metering cabinet body 1, making it difficult to repair.

[0027] Conversely, after the power control component 36 is repaired, the first mounting bracket 23 is pushed to simultaneously push the second mounting bracket 41 into the metering cabinet body 1 through the U-shaped bracket 44 on the top of the power control component 36. At the same time, when the second mounting bracket 41, the first mounting bracket 23, and the first magnet 27 come into contact, the power control component 36 is in a vertical position inside the metering cabinet body 1.

[0028] like Figures 3-5As shown, the support assembly 2, the mounting assembly 3 and the flipping assembly 4 are arranged in two sets inside the main body 1 of the metering cabinet. The lower first mounting frame 23 is fixedly mounted with a second support frame 211, and the upper first mounting frame 23 is fixedly mounted with a metal part 212 on the side. The upper end of the second support frame 211 is provided with a second magnet 213 that contacts the metal part 212. Pulling the lower first mounting bracket 23 into contact with the metal part 212 on the side of the upper first mounting bracket 23 via the second magnet 213 causes the two sets of support components 2 to move synchronously. The length of the upper support component 2 is shorter than that of the lower support component 2, and the upper power control component 36 is tilted. The upper first mounting bracket 23 can no longer slide, while the lower first mounting bracket 23 continues to slide, so that the two sets of support components 2, mounting components 3 and flipping components 4 are arranged in a stepped manner.

[0029] By pulling the lower first mounting bracket 23, the first mounting bracket 23 moves along the first guide rod 22 toward the operation window of the metering cabinet body 1. Initially, because the second magnet 213 contacts the metal part 212 on the upper first mounting bracket 23, the two sets of support components 2, mounting components 3 and flipping components 4 move synchronously. When both sets of power control components 36 are in an inclined state, the upper support component 2 cannot move because its length is shorter than that of the lower support component 2. The second magnet 213 disengages from the metal part 212. At this time, the lower support component 2 continues to move toward the operation window of the metering cabinet body 1, thereby realizing that the two sets of support components 2, mounting components 3 and flipping components 4 are in a stepped state, which makes it easier to disassemble and repair multiple sets of power control components 36.

[0030] Working principle and usage process of this invention: Initial installation: Initially, the first mounting bracket 23 is located at one end of the first guide rod 22 via the first docking sleeve 24, i.e., away from the operation window of the metering cabinet body 1. At this time, the first mounting bracket 23 is in contact with the first magnet 27. The first mounting bracket 23 is positioned by the magnetic force of the first magnet 27 adsorbing the first mounting bracket 23. Pull the first mounting bracket 23 along the first guide rod 22 via the first docking sleeve 24 to make the first mounting bracket 23 detach from the first magnet 27 and gradually approach the operation window of the metering cabinet body 1. Since the first docking sleeve 24 is installed at the top of the first mounting bracket 23 away from the operation window of the metering cabinet body 1, when the first docking sleeve 24 slides to the first guide rod 22 near the operation window of the metering cabinet body 1, the first mounting bracket 23 extends out of the interior of the metering cabinet body 1. The crossbeam frame 34 and the docking bracket 35 are engaged by the locking pin through the two sets of test docking holes to achieve quick installation. The U-shaped frame 44 on the top of the power control component 36 is engaged with the limiting rod 42. Inspection and disassembly: By pulling the first mounting bracket 23, the first docking sleeve 24 slides along the first guide rod 22 toward the operation window of the metering cabinet body 1. Since the U-shaped frame 44 on the top of the power control component 36 is engaged with the limiting rod 42, the power control component 36 and the U-shaped frame 44 are limited and blocked by the limiting rod 42. At this time, the power control component 36 rotates around the spindle 32 as the central axis, so that the power control component 36 is in an inclined state. As the first mounting bracket 23 is continuously pulled, the top of the inner wall of the U-shaped frame 44 and the outside of the limiting rod 42 are connected, thereby pulling the second mounting bracket 41 away from the first magnet 27. The second docking sleeve 45 moves synchronously along the first guide rod 22. When the first docking sleeve 24 moves to the other end of the first guide rod 22, the second docking sleeve 45 is blocked by the limiting on the fixed bracket 21 and cannot continue to move. At this time, the power control component 36 is in an inclined state, which makes it easier to observe and detect the status of the power control component 36 and avoids the power control component 36 being located inside the metering cabinet body 1, making it difficult to inspect and repair. Conversely, after the power control component 36 is repaired, the first mounting bracket 23 is pushed to simultaneously push the second mounting bracket 41 into the metering cabinet body 1 through the U-shaped bracket 44 on the top of the power control component 36. At the same time, when the second mounting bracket 41, the first mounting bracket 23, and the first magnet 27 come into contact, the power control component 36 is in a vertical position inside the metering cabinet body 1.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0032] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A modular, quick-assembly and disassembly power metering box, comprising a metering cabinet body (1), characterized in that, Also includes: Support component (2), which is installed inside the metering cabinet body (1); Mounting component (3), which is disposed on the support component (2); The support component (2) includes a first mounting bracket (23), and a fixing bracket (21) is fixedly mounted on the inner wall of the metering cabinet body (1). A first guide rod (22) is fixedly mounted on the fixing bracket (21), and the first mounting bracket (23) slides on the first guide rod (22) through a first docking sleeve (24). The first docking sleeve (24) is installed on the top of the first mounting bracket (23) and away from the operation window end of the metering cabinet body (1); A support rod (25) is fixedly mounted on the first mounting bracket (23), and the mounting assembly (3) is mounted on the support rod (25); Initially, the first mounting bracket (23) is located at one end of the first guide rod (22) and away from the operation window of the metering cabinet body (1) via the first docking sleeve (24). Pull the first mounting bracket (23) to slide along the first guide rod (22) via the first docking sleeve (24) so ​​that the first mounting bracket (23) gradually approaches the operation window of the metering cabinet body (1), and the mounting component (3) can be installed on the receiving rod (25).

2. The modular quick-assembly and disassembly power metering box according to claim 1, characterized in that: A first support frame (26) is fixedly mounted on the fixed frame (21) away from the operation window of the metering cabinet body (1), and a first magnet (27) is fixedly mounted on both ends of the first support frame (26). The first mounting bracket (23) is made of metal.

3. The modular quick-assembly and disassembly power metering box according to claim 2, characterized in that: The mounting assembly (3) includes a first C-shaped support frame (31) fixedly mounted on the support rod (25), a mandrel (32) fixedly mounted on the first C-shaped support frame (31), a second C-shaped support frame (37) movably sleeved on the outside of the mandrel (32), and a docking frame (35) fixedly mounted on the side of the second C-shaped support frame (37).

4. The modular quick-assembly and disassembly power metering box according to claim 3, characterized in that: The bottom of the first C-shaped support frame (31) is provided with a baffle, and the bottom of the second C-shaped support frame (37) overlaps the baffle and is in a horizontal state.

5. The modular quick-assembly and disassembly power metering box according to claim 4, characterized in that: The mounting assembly (3) also includes a power control component (36), and a crossbeam frame (34) is provided at the lower end of the back of the power control component (36). Both the crossbeam frame (34) and the docking frame (35) are provided with two sets of docking holes to keep them coaxial. The crossbeam frame (34) and the docking frame (35) are connected by a locking pin passing through the docking hole.

6. The modular quick-assembly and disassembly power metering box according to claim 5, characterized in that: The support assembly (2) is provided with a flipping assembly (4), which includes a second mounting bracket (41) and slides on the first guide rod (22) via a second docking sleeve (45). The fixing frame (21) is provided with a limiting block for the maximum sliding stroke of the second docking sleeve (45); When the first mounting bracket (23) and the second mounting bracket (41) are initially located at the end of the first guide rod (22) and the operation window end away from the main body of the metering cabinet (1) through the first docking sleeve (24) and the second docking sleeve (45), the second mounting bracket (41) and the first mounting bracket (23) are in contact with the two first magnets (27).

7. The modular quick-assembly and disassembly power metering box according to claim 6, characterized in that: A limit rod (42) is fixedly mounted on the second mounting bracket (41), and a U-shaped bracket (44) is mounted on the top of the power control component (36) via an L-shaped bracket (43). The U-shaped frame (44) engages with the outside of the limiting rod (42).

8. The modular quick-assembly and disassembly power metering box according to claim 7, characterized in that: The initial power control component (36) is vertically mounted on the baffle of the first C-shaped support frame (31) via the second C-shaped support frame (37), and the U-shaped frame (44) is engaged with the outside of the limiting rod (42). The first mounting frame (23) is pulled to limit the U-shaped frame (44) and the power control component (36) via the limiting rod (42), so that the power control component (36) rotates around the spindle (32) as the central axis.

9. The modular quick-assembly and disassembly power metering box according to claim 1, characterized in that: The support assembly (2), the mounting assembly (3) and the flipping assembly (4) are arranged in two sets inside the metering cabinet body (1). The lower end of the first mounting frame (23) is fixedly fitted with a second support frame (211), and the upper end of the first mounting frame (23) is fixedly fitted with a metal part (212). The upper end of the second support frame (211) is provided with a second magnet (213) that contacts the metal part (212).

10. The modular quick-assembly and disassembly power metering box according to claim 9, characterized in that: Pulling the lower first mounting bracket (23) to contact the metal part (212) on the side of the upper first mounting bracket (23) via the second magnet (213) causes the two sets of support components (2) to move synchronously. The length of the upper support component (2) is shorter than that of the lower support component (2), and the upper power control component (36) is tilted. The upper first mounting bracket (23) cannot continue to slide, while the lower first mounting bracket (23) continues to slide, so that the two sets of support components (2), mounting components (3) and flipping components (4) are set in a stepped manner.

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