Fireproof bus duct convenient to split

The design of plug-in fireproof boards and docking plates solves the problem of cumbersome disassembly and assembly of existing fireproof busbar trunking, enabling convenient disassembly and maintenance and simplifying the operation process.

CN224068303UActive Publication Date: 2026-03-31JIANGSU KELE ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing fireproof busbar trunking requires a large number of bolts for assembly and disassembly, making the operation cumbersome and difficult to disassemble and maintain conveniently.

Method used

The fireproof board adopts a plug-in fireproof board and docking plate structure, and uses guide grooves, guide strips, limit grooves and screws to connect and realize the linear movement and docking fixation of the fireproof board, avoiding the use of a large number of bolts.

Benefits of technology

It enables convenient disassembly and maintenance of busbar trunking, simplifies the disassembly and assembly process, and improves operational efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fireproof bus duct convenient to split, which belongs to the technical field of bus ducts and comprises a fixing plate. The four frame plates are symmetrically and integrally formed on the outer wall of one side of the fixing plate; the first guide groove is formed in the inner wall of one side of the frame plate; the second guide groove is formed in the inner wall of the side, adjacent to the first guide groove, of the frame plate; the two first fireproof plates and the two second fireproof plates are arranged among the four frame plates, and the two first fireproof plates are located between the two second fireproof plates; according to the utility model, the plug-in type fireproof plate I and the plug-in type fireproof plate II as well as the butt-joint type butt-joint plate I and the butt-joint plate II are combined to form a shell structure, so that the busbar can be protected, a large number of bolts are not needed for connection, and when the busbar is overhauled and maintained, the service life of the busbar is prolonged. And only the butt-joint plate I or the butt-joint plate II needs to be disassembled and then the fireproof plate I or the fireproof plate II at the corresponding position is pulled out, so that the disassembly operation is simple and convenient.
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Description

Technical Field

[0001] This utility model belongs to the field of busbar technology, specifically relating to a fireproof busbar that is easy to disassemble. Background Technology

[0002] Busbar trunking is a closed metal device made of copper or aluminum busbar columns. It is used to distribute a large amount of power to various components of a distributed system. Ordinary busbar trunking or fire-resistant busbar trunking with fire-resistant insulation is added to the outer shell. Some outer shells are coated with fire-retardant paint, which can ensure that heat energy is transferred to the interior within a specified time during a fire, and the busbar trunking can operate normally.

[0003] Most existing fireproof busbar trunking systems are assembled from multiple panels into a fireproof shell, and the busbars are placed inside for protection. The assembly of multiple panels requires a large number of bolts, and the disassembly also requires the bolts to be removed one by one, which is quite cumbersome.

[0004] Therefore, a fireproof busbar trunking that is easy to disassemble is proposed. Summary of the Invention

[0005] This utility model provides an easily detachable fireproof busbar trunking, the purpose of which is to solve the problems mentioned above.

[0006] This utility model provides a fireproof busbar trunking that is easy to disassemble, including a fixing plate; four frame plates symmetrically and integrally formed on one outer wall of the fixing plate; a guide groove one formed on one inner wall of the frame plate; and a guide groove two formed on the inner wall of the frame plate adjacent to the guide groove one; two fireproof plates one and two fireproof plates two disposed between the four frame plates, with the two fireproof plates one located between the two fireproof plates two; a guide strip one integrally formed on the outer wall of the fireproof plate one; a guide strip two integrally formed on the outer wall of the fireproof plate two; a docking plate one and a docking plate two disposed on one side of the frame plate, with the docking plate one located on one side of the docking plate two; a limiting groove formed on the outer wall of the frame plate; limiting blocks respectively disposed on the outer walls of the docking plate one and the docking plate two; and a busbar disposed between the two fireproof plates one and the two fireproof plates two.

[0007] Furthermore, both the first and second docking plates have protrusions on their outer side walls, and a screw is provided on one side of the outer wall of the protrusion on the first docking plate. A through hole is provided on one side of the outer wall of the protrusion on the second docking plate, and a nut is connected to the screw by thread.

[0008] Furthermore, a through hole is provided at the center of one side outer wall of the fixing plate for the busbar to pass through;

[0009] By adopting the above technical solution, it is easy to directly connect the busbars.

[0010] Furthermore, the first guide bar and the first guide groove are slidably connected, and the second guide bar and the second guide groove are slidably connected;

[0011] By adopting the above technical solution, it is ensured that fireproof board one and fireproof board two can move in a straight line, which facilitates the pulling out of fireproof board one and fireproof board two, and thus facilitates disassembly.

[0012] Furthermore, the outer side walls of the fireproof board one and the fireproof board two are provided with matching inclined surfaces;

[0013] By adopting the above technical solution, the joint between fireproof board one and fireproof board two is precisely matched, ensuring the stability of the fit and forming a mutually supportive state.

[0014] Furthermore, the limiting groove and the limiting block are slidably connected, and the cross-sections of both the limiting groove and the limiting block are T-shaped structures;

[0015] By adopting the above technical solution, the T-shaped limiting groove and limiting block can ensure the tightness of the limiting block's movement inside the limiting groove, thereby enabling the first and second docking plates to fit the frame plate.

[0016] Furthermore, the screw passes through the through hole, and the screw and nut fix the first mating plate and the second mating plate together;

[0017] By adopting the above technical solution, the docking plate 1 and docking plate 2 are docked and fixed. The docking plate 1 and docking plate 2 are used to limit the insertion of the two fireproof plates 1 and 2, so as to prevent the two fireproof plates 1 and 2 from loosening and falling off.

[0018] Furthermore, the busbar and one of the fireproof panels are fixedly connected by screws;

[0019] By adopting the above technical solution, it is easy to fix the busbar in the required position.

[0020] The beneficial effects of this utility model are as follows:

[0021] This utility model uses plug-in fireproof plate one and fireproof plate two, as well as butt joint plate one and butt joint plate two, to form an outer shell structure that can protect the busbar. It does not require the use of a large number of bolts for connection. When inspecting and maintaining the busbar, it is only necessary to remove the butt joint plate one or the butt joint plate two and pull out the corresponding fireproof plate one or the fireproof plate two. The disassembly operation is simple and convenient, and the busbar in all directions can be inspected and maintained.

[0022] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description

[0023] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0024] Figure 1 This is an exploded view of an embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0026] Figure 3 This is a schematic diagram of the frame plate structure according to an embodiment of the present utility model;

[0027] Figure 4 This is a schematic diagram of the structure of fireproof board one and fireproof board two according to an embodiment of this utility model;

[0028] Figure 5 This is a schematic diagram of the structure of docking plate one and docking plate two according to an embodiment of the present utility model;

[0029] Reference numerals in the attached drawings: 1. Fixing plate; 2. Frame plate; 3. Guide groove one; 4. Guide groove two; 5. Fireproof board one; 6. Fireproof board two; 7. Guide strip one; 8. Guide strip two; 9. Butt joint plate one; 10. Butt joint plate two; 11. Limiting groove; 12. Limiting block; 13. Protrusion; 14. Screw; 15. Through hole; 16. Busbar. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The same reference numerals in the drawings represent the same components. It should be noted that the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0031] Reference Figure 1-5This utility model embodiment proposes an easily disassembleable fireproof busbar trunking, including a fixing plate 1. Four frame plates 2 are integrally and symmetrically formed on one outer wall of the fixing plate 1. Each of the four frame plates 2 has a guide groove 3 on one inner wall, and a guide groove 4 is formed on the inner wall of each frame plate 2 adjacent to the guide groove 3. Two fireproof plates 5 and two fireproof plates 6 are arranged between the four frame plates 2, with the two fireproof plates 5 located between the two fireproof plates 6. Matching inclined surfaces are formed on the outer walls of the fireproof plates 5 and 6 to ensure a precise fit at the joint and guarantee the stability of the fit. They form a mutually supporting state. Guide strips 7 are provided on one side of the outer wall of each of the two fireproof boards 5, and guide strips 8 are provided on one side of the outer wall of each of the two fireproof boards 6. Guide strips 7 and guide grooves 3 are slidably connected, and guide strips 8 and guide grooves 4 are slidably connected, ensuring that fireproof boards 5 and 6 can move linearly, thus facilitating the pulling and disassembly of fireproof boards 5 and 6. A butt joint plate 9 and a butt joint plate 10 are provided on the side of the frame plate 2 away from the fixed plate 1, with the butt joint plate 9 located on one side of the butt joint plate 10. Limit grooves 11 are provided on the outer walls of all four frame plates 2. Both the first connecting plate 9 and the second connecting plate 10 have limit blocks 12 on one outer wall. Limiting grooves 11 and limit blocks 12 are slidably connected, and both the limiting grooves 11 and the limit blocks 12 have T-shaped cross-sections. The T-shaped limiting grooves 11 and the limit blocks 12 ensure the tightness of the movement of the limit blocks 12 within the limiting grooves 11, thereby allowing the first connecting plate 9 and the second connecting plate 10 to fit against the frame plate 2. Both the first connecting plate 9 and the second connecting plate 10 have integrally formed protrusions 13 on the other outer wall. A screw 14 is provided on one outer wall of the protrusion 13 on the first connecting plate 9. The screw 14 passes through a through hole 15, and the screw 14 and a nut secure the first connecting plate 9... 9 and docking plate 2 10 are docked and fixed to achieve docking and fixing of docking plate 1 9 and docking plate 2 10. The docking plate 1 9 and docking plate 2 10 are used to limit the insertion of two fireproof plates 1 5 and two fireproof plates 2 6 to prevent the two fireproof plates 1 5 and two fireproof plates 2 6 from loosening and falling off. A through hole 15 is opened on one side of the outer wall of the protrusion 13 on docking plate 2 10. A busbar 16 is provided between the two fireproof plates 1 5 and two fireproof plates 2 6. A through hole is opened at the center of one side of the outer wall of fixing plate 1 so that the busbar 16 can pass through. The busbar 16 and one of the fireproof plates 2 6 are fixedly connected by screws, so that the busbar 16 can be fixed in the required position.

[0032] The specific implementation method is as follows: During assembly, the busbar 16 is installed and fixed on one of the fireproof plates 2 6. This fireproof plate 2 6 is inserted between the four frame plates 2 under the guidance of the guide strip 2 8 and the guide groove 2 4, so that the busbar 16 is located inside the four frame plates 2. Then, two fireproof plates 1 5 are inserted between the four frame plates 2 under the guidance of the guide strip 1 7 and the guide groove 1 3. Finally, the other fireproof plate 2 6 is inserted. At this time, the two fireproof plates 1 5 and the two fireproof plates 2 6 surround the outside of the busbar 16 and provide it with fire protection. After the second plate 6 is inserted into place, the limiting sliding between the limiting groove 11 and the limiting block 12 allows the first plate 9 and the second plate 10 to be inserted into one side of the frame plate 2, so that the first plate 9 and the second plate 10 are connected together. The screw 14 passes through the through hole 15, and the nut is screwed into the screw 14. The first plate 9 and the second plate 10 are fastened by the nut pressing the protrusion 13. When it is necessary to disassemble the busbar 16 for inspection and maintenance, the first plate 9 and the second plate 10 can be removed, and the fireproof plate 5 or the second plate 6 at the corresponding position can be pulled out. The disassembly operation is simple and convenient.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A detachable fireproof bus duct characterized in that: it comprises a fixed plate (1); four frame plates (2) are symmetrically integrally formed on one side of the outer wall of the fixed plate (1); a guide slot one (3) is opened on one side of the inner wall of the frame plate (2); and a guide slot two (4) is opened on one side of the inner wall of the frame plate (2) adjacent to the guide slot one (3); two fireproof plates one (5) and two fireproof plates two (6) are arranged between the four frame plates (2), and the two fireproof plates one (5) are located between the two fireproof plates two (6); a guide strip one (7) is integrally formed on the outer side wall of the fireproof plate one (5); a guide strip two (8) is integrally formed on the outer side wall of the fireproof plate two (6); a butt joint plate one (9) and a butt joint plate two (10) are arranged at one side of the frame plate (2), and the butt joint plate one (9) is located at one side of the butt joint plate two (10); a limiting slot (11) is opened on the outer side wall of the frame plate (2); a limiting block (12) is arranged on the outer side wall of the butt joint plate one (9) and the butt joint plate two (10), respectively; a busbar (16) is arranged between the two fireproof plates one (5) and the two fireproof plates two (6).

2. The knock-down fire rated busway of claim 1, wherein: The outer side wall of the butt joint plate one (9) and the butt joint plate two (10) is provided with a lug (13), one side of the outer wall of the lug (13) on the butt joint plate one (9) is provided with a screw rod (14), one side of the outer wall of the lug (13) on the butt joint plate two (10) is provided with a through hole (15), and the screw rod (14) is threadedly connected with a nut.

3. The knock-down fire rated busway of claim 1, wherein: A through hole is opened at the central position of one side of the outer wall of the fixed plate (1), which can pass through the busbar (16).

4. The knock-down fire rated busway of claim 1, wherein: The guide strip one (7) and the guide slot one (3) are slidably connected, and the guide strip two (8) and the guide slot two (4) are slidably connected.

5. The knock-down fire rated busway of claim 1, wherein: The outer side walls of the fireproof plate one (5) and the fireproof plate two (6) are provided with matching inclined surfaces.

6. The knock-down fire rated busway of claim 1, wherein: The limiting slot (11) and the limiting block (12) are slidably connected, and the cross sections of the limiting slot (11) and the limiting block (12) are T-shaped structures.

7. The knock-down fire rated busway of claim 2, wherein: The screw rod (14) penetrates through the through hole (15), and the screw rod (14) and the nut butt joint and fix the butt joint plate one (9) and the butt joint plate two (10).

8. The knock-down fire rated busway of claim 1, wherein: The busbar (16) and one of the fireproof plates two (6) are fixedly connected by a screw.