Combined bus duct

Abstract

The utility model discloses a combined bus duct, which relates to the technical field of bus ducts and comprises a first bus duct and a second bus duct, support blocks are arranged at concave positions of the first bus duct and the second bus duct, and fixing mechanisms are arranged on the inner sides of the support blocks. By adopting the above structure, the pressing handles on the two sides of the supporting block are extruded at the same time, so that the pressing handles drive the convex block to slide on the guide rod and compress the spring, the clamping rod on the convex block retracts into the convex groove at the same time, and then the supporting block is clamped into one side of the first bus duct or the second bus duct lacking support. When the position of the clamping rod of the supporting block corresponds to the position of the clamping hole, the pressing handle is loosened, so that the convex block pushes the clamping rod to extend out of the convex groove of the supporting block to be clamped into the clamping hole under the reset effect of the spring, and the supporting block is used for supporting and reinforcing one side of the first bus duct or the second bus duct which is lack of support; and the falling object can be effectively prevented from smashing in the mounting and using processes.

Description

Technical Field

[0001] The utility model belongs to the technical field of bus ducts, and in particular relates to a combined bus duct. Background Art

[0002] With the rapid development of cities, the number of high-rise buildings has increased dramatically, leading to a sharp increase in building electrical loads. Due to their small capacity, inconvenient branching, and inconvenient bundle management, existing wires and cables have been gradually replaced by busbar ducts, which offer larger capacity and easier branching and bundle management. Busbar ducts are widely used in key projects such as power transmission trunks for firefighting equipment and fire emergency equipment, including commercial plazas, subways, airports, office buildings, entertainment venues, and public facilities. Therefore, the safety and stability of busbar duct products are of paramount importance, and my country's safety requirements for busbar duct products are becoming increasingly stringent, ensuring that the main power transmission trunk lines for building firefighting equipment remain powered during firefighting operations.

[0003] A Chinese patent with publication number CN204216533U discloses a fire-resistant and waterproof busbar trunking, which includes a wire core and a metal shell arranged on the surface of the wire core. The wire core includes: a plurality of conductors arranged at intervals from each other; an insulating protective layer arranged on the surface of each conductor; a mineral fire-resistant layer arranged on the surface of each insulating protective layer; and a ceramic silicone rubber waterproof and moisture-proof layer arranged on the surface of the mineral fire-resistant layer. The ceramic silicone rubber waterproof and moisture-proof layer includes a first ceramic silicone rubber waterproof and moisture-proof sub-layer arranged on the surface of each of the mineral fire-resistant layers, and a second ceramic silicone rubber waterproof and moisture-proof sub-layer arranged on the surface of the first ceramic silicone rubber waterproof and moisture-proof sub-layer. The ceramic silicone rubber waterproof and moisture-proof layer is formed by winding a ceramic silicone rubber composite tape.

[0004] Although the bus ducts in the existing technology can basically meet the needs of power supply busbar layout, there are still some shortcomings in actual use. For example, traditional bus ducts are usually integrated and cannot be disassembled and assembled according to the distinction of lines and the layout of busbars. Secondly, the shell strength of traditional bus ducts is low and cannot withstand pressure and weight. When encountering falling objects, the side without support is very easy to deform and damage, affecting its use. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the present invention is to provide a combined bus duct to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] A combined bus duct, comprising: a first bus duct and a second bus duct, wherein the inner recesses of the first bus duct and the second bus duct are both provided with support blocks, the inner sides of the support blocks are provided with fixing mechanisms, the inner walls of the first bus duct and the second bus duct are both provided with clamping holes, the support blocks are clamped together by the fixing mechanisms and the clamping holes, the upper and lower ends of the first bus duct are both fixedly connected to the first buckle blocks, the outer side of the second bus duct is fixedly connected to the second buckle blocks, the first buckle blocks and the second buckle blocks are plug-connected, the upper and lower ends of the first bus duct and the second bus duct are both symmetrically provided with connecting plates, the inner sides of the connecting plates are symmetrically provided with fixing bolts, and the connecting plates are fixedly mounted to the first bus duct and the second bus duct via fixing bolts;

[0008] The fixing mechanism includes a convex groove, which is symmetrically opened on the left and right sides of the support block. A guide rod is symmetrically fixedly installed on the inner side of the convex groove, and the outer side of the guide rod is slidably connected with the same convex block. A spring is sleeved on the outer side of the guide rod, and a pressure handle is fixedly installed on the convex part of the convex block. A clamping rod is fixedly installed on the side of the convex block away from the spring, and the clamping end of the clamping rod slides through the groove wall of the convex groove and is clamped in the clamping hole.

[0009] As an optimal technical solution, a limiting column is fixedly installed on the inner side of the convex groove, and one end of the limiting column faces the side of the convex block close to the spring.

[0010] As a preferred technical solution, a through hole is provided on the inner side of the convex groove, and the end of the clamping rod away from the convex block slides through the through hole.

[0011] As a preferred technical solution, positioning grooves are provided on the outer sides of the first bus duct and the second bus duct, the ends of the support block are plugged into the two opposite positioning grooves, and one end of the clamping hole is connected to the inner wall of the positioning groove.

[0012] As a preferred technical solution, the inner walls of the first bus duct and the second bus duct are symmetrically provided with screw holes, and the connecting plates are fixedly installed by fixing bolts and screw holes.

[0013] As an optimal technical solution, the outer sides of the first buckle block and the second buckle block are fixedly connected with reinforcement blocks, and the shape of the reinforcement blocks is triangular. One side of the reinforcement block on the outer side of the first buckle block is fixedly connected to the first bus duct, and one side of the reinforcement block on the outer side of the second buckle block is fixedly connected to the second bus duct.

[0014] In summary, the present invention has the following beneficial effects:

[0015] First, the second buckle block at the second bus duct is plugged into the first buckle block at the first bus duct. After the plugging, the combined connection surface of the first bus duct and the second bus duct is in a tightly attached state. Then, the upper and lower ends of the first bus duct and the second bus duct are connected and fixed by the fixing bolts and the connecting plate. This makes it convenient to combine the split first bus duct and the second bus duct according to the busbar arrangement process and implementation needs.

[0016] Second, by squeezing the pressure handles on both sides of the support block at the same time, the pressure handles drive the convex block to slide on the guide rod and compress the spring, and at the same time the clamping rod on the convex block retracts into the convex groove, and then the support block is clamped into the side of the first bus duct or the second bus duct that lacks support. When the position of the clamping rod of the support block corresponds to the position of the clamping hole, the pressure handle is released, so that the convex block pushes the clamping rod from the convex groove of the support block and is clamped into the clamping hole under the effect of spring reset. By supporting and reinforcing the side of the first bus duct or the second bus duct that lacks support through the support block, it can effectively prevent falling objects from damaging it during installation and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the fixing mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the connection between the first buckle block and the second buckle block of the utility model;

[0020] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle.

[0021] Figure numerals: 1. first bus duct; 2. second bus duct; 3. fixing bolt; 4. connecting plate; 5. first buckle block; 6. second buckle block; 7. fixing mechanism; 701. convex groove; 702. guide rod; 703. spring; 704. convex block; 705. pressure handle; 706. clamping rod; 8. support block; 9. limiting column; 10. through hole; 11. clamping hole; 12. screw hole; 13. positioning groove; 14. reinforcement block. DETAILED DESCRIPTION

[0022] refer to Figures 1 to 4, a combined bus duct described in this embodiment includes: a first bus duct 1 and a second bus duct 2, the inner recesses of the first bus duct 1 and the second bus duct 2 are both provided with support blocks 8, the inner sides of the support blocks 8 are provided with fixing mechanisms 7, the inner walls of the first bus duct 1 and the second bus duct 2 are both provided with clamping holes 11, the support blocks 8 are clamped by the fixing mechanisms 7 and the clamping holes 11, the upper and lower ends of the first bus duct 1 are fixedly connected with first buckle blocks 5, the outer side of the second bus duct 2 is fixedly connected with second buckle blocks 6, the first buckle blocks 5 and the second buckle blocks 6 are plug-in connected, the upper and lower ends of the first bus duct 1 and the second bus duct 2 are symmetrically provided with connecting plates 4, the inner sides of the connecting plates 4 are symmetrically provided with fixing bolts 3, and the connecting plates 4 are connected through The first bus duct 1 and the second bus duct 2 are fixedly installed by the fixing bolts 3. When the first bus duct 1 and the second bus duct 2 need to be used in combination, it is only necessary to place the first bus duct 1 and the second bus duct 2 horizontally, and then plug the second buckle block 6 at the second bus duct 2 into the first buckle block 5 at the first bus duct 1. After plugging, the combined connection surface of the first bus duct 1 and the second bus duct 2 is in a tightly attached state, and then the connecting plate 4 is engaged by the fixing bolts 3 to connect and fix the upper and lower ends of the first bus duct 1 and the second bus duct 2. This makes it convenient to combine the split first bus duct 1 and the second bus duct 2 according to the arrangement process of the busbar and the implementation needs.

[0023] When the locking cam 706 is in the state of being clamped in the locking cam 708, the locking cam 708 of the locking cam 708 is in the state of being clamped in the locking cam 708. After the position of rod 706 corresponds to the position of card hole 11, release the pressure handle 705, so that the convex block 704 pushes the card rod 706 out of the convex groove 701 of the support block 8 and is locked into the card hole 11 under the reset effect of spring 703. The support block 8 supports and reinforces the side of the first bus duct 1 or the second bus duct 2 that lacks support, which can effectively prevent falling objects from damaging it during installation and use; the convex groove 701 is opened on the side of the support block 8, so it will not affect the supporting strength of the support block 8. Secondly, the support block 8 is connected to the first bus duct 1 or the second bus duct 2 through the card rod 706, which can facilitate subsequent disassembly; the side panels at the recessed parts of the first bus duct 1 or the second bus duct 2 can be detached by screw installation, and the fixing mechanism 7 of the support block 8 can be easily removed later, which also facilitates the disassembly of the side panel parts and the maintenance and use of the internal busbar.

[0024] refer to Figure 2 The limiting column 9 is fixedly installed on the inner side of the convex groove 701, and one end of the limiting column 9 is facing the side of the convex block 704 close to the spring 703. By using the limiting column 9 at the convex groove 701, the convex block 704 connected to the pressing handle 705 can be limited when the pressing handle 705 on one side of the support block 8 is squeezed, so as to meet the requirements of the card rod 706 to retract the convex groove 701. At the same time, it can also play a certain protective role on the spring 703 to prevent the spring 703 from being excessively squeezed and affecting its elastic reset strength.

[0025] refer to Figure 2 A through hole 10 is provided on the inner side of the convex groove 701, and the end of the card rod 706 away from the convex block 704 slides through the through hole 10. By sliding one end of the card rod 706 through the through hole 10, the card rod 706 can be easily slid through the convex groove 701 and engaged with the card hole 11.

[0026] refer to Figure 3The outer sides of the first bus duct 1 and the second bus duct 2 are both provided with positioning grooves 13. The ends of the support block 8 are plugged into the two opposite positioning grooves 13. One end of the card hole 11 is connected to the inner wall of the positioning groove 13. By using the positioning grooves 13 at the first bus duct 1 and the second bus duct 2, the support block 8 can be conveniently positioned and plugged in at the first bus duct 1 or the second bus duct 2. After plugging in, the card rod 706 of the support block 8 corresponds to the card hole 11, so the installation and use of the support block 8 can be further facilitated.

[0027] refer to Figure 3 The inner walls of the first bus duct 1 and the second bus duct 2 are symmetrically provided with screw holes 12, and the connecting plate 4 is fixedly installed by the fixing bolts 3 and the screw holes 12. The connecting plate 4 is used to engage the fixing bolts 3 with the screw holes 12 on the first bus duct 1 and the second bus duct 2 for installation and connection, which can facilitate the combined installation of the first bus duct 1 and the second bus duct 2.

[0028] refer to Figure 4 The outer sides of the first buckle block 5 and the second buckle block 6 are fixedly connected with a reinforcement block 14. The shape of the reinforcement block 14 is triangular. One side of the reinforcement block 14 on the outer side of the first buckle block 5 is fixedly connected to the first bus duct 1, and one side of the reinforcement block 14 on the outer side of the second buckle block 6 is fixedly connected to the second bus duct 2. The triangular reinforcement blocks 14 on the first buckle block 5 and the second buckle block 6 can improve the strength and stability of the first buckle block 5 and the second buckle block 6.

[0029] Principle and advantages of use: During use, when the first bus duct 1 and the second bus duct 2 need to be used in combination, it is only necessary to place the first bus duct 1 and the second bus duct 2 horizontally, and then plug the second buckle block 6 at the second bus duct 2 into the first buckle block 5 at the first bus duct 1. After plugging, the combined connection surface of the first bus duct 1 and the second bus duct 2 is in a tightly attached state, and then the upper end and the lower end of the first bus duct 1 and the second bus duct 2 are connected and fixed by the fixing bolts 3 and the connecting plate 4.

[0030] When the support block 8 is installed in the first bus duct 1 or the second bus duct 2, the pressure handles 705 on both sides of the support block 8 are squeezed at the same time, so that the pressure handles 705 drive the convex block 704 to slide on the guide rod 702 and compress the spring 703. At the same time, the clamping rod 706 on the convex block 704 retracts into the convex groove 701, and then the support block 8 is inserted into the limit groove at the first bus duct 1 or the second bus duct 2. After the support block 8 is inserted, the clamping end of the clamping rod 706 can correspond to the position of the clamping hole 11, and the pressure handle 705 is released, so that the convex block 704 pushes the clamping rod 706 from the convex groove 701 of the support block 8 and clamps it into the clamping hole 11 under the reset effect of the spring 703. The installation of the support block 8 can greatly enhance the use strength of the first bus duct 1 or the second bus duct 2.

Claims

1. A combined bus duct, characterized in that ,include: A first bus duct (1) and a second bus duct (2), wherein the inner recesses of the first bus duct (1) and the second bus duct (2) are both provided with support blocks (8), the inner sides of the support blocks (8) are provided with fixing mechanisms (7), the inner walls of the first bus duct (1) and the second bus duct (2) are both provided with clamping holes (11), the support blocks (8) are clamped by the fixing mechanisms (7) and the clamping holes (11), the upper and lower ends of the first bus duct (1) are both fixedly connected with first buckle blocks (5), the outer side of the second bus duct (2) is fixedly connected with second buckle blocks (6), the first buckle blocks (5) and the second buckle blocks (6) are plug-in connected, the upper and lower ends of the first bus duct (1) and the second bus duct (2) are both symmetrically provided with connecting plates (4), the inner sides of the connecting plates (4) are symmetrically provided with fixing bolts (3), and the connecting plates (4) are fixedly installed with the first bus duct (1) and the second bus duct (2) through the fixing bolts (3).

2. The combined bus duct according to claim 1, characterized in that: The fixing mechanism (7) comprises a convex groove (701), wherein the convex groove (701) is symmetrically arranged on the left and right sides of the support block (8), a guide rod (702) is symmetrically fixedly installed on the inner side of the convex groove (701), and the outer side of the guide rod (702) is slidably connected to the same convex block (704), the outer side of the guide rod (702) is sleeved with a spring (703), a pressing handle (705) is fixedly installed on the convex portion of the convex block (704), and a clamping rod (706) is fixedly installed on the side of the convex block (704) away from the spring (703), and the clamping end of the clamping rod (706) slides through the groove wall of the convex groove (701) and is clamped with the clamping hole (11).

3. The combined bus duct according to claim 2, characterized in that: A limiting column (9) is fixedly installed on the inner side of the convex groove (701), and one end of the limiting column (9) faces the side of the convex block (704) close to the spring (703).

4. The combined bus duct according to claim 2, characterized in that: A through hole (10) is provided on the inner side of the convex groove (701), and the end of the clamping rod (706) away from the convex block (704) slides through the through hole (10).

5. The combined bus duct according to claim 1, characterized in that: Positioning grooves (13) are provided on the outer sides of the first bus duct (1) and the second bus duct (2); the ends of the support block (8) are plugged into the two opposite positioning grooves (13); and one end of the clamping hole (11) is in communication with the inner wall of the positioning groove (13).

6. The combined bus duct according to claim 1, characterized in that: The inner walls of the first bus duct (1) and the second bus duct (2) are symmetrically provided with screw holes (12), and the connecting plate (4) is fixedly installed by means of fixing bolts (3) and the screw holes (12).

7. The combined bus duct according to claim 1, characterized in that: The outer sides of the first buckle block (5) and the second buckle block (6) are both fixedly connected with a reinforcement block (14), and the reinforcement block (14) is triangular in shape. One side of the reinforcement block (14) on the outer side of the first buckle block (5) is fixedly connected to the first bus duct (1), and one side of the reinforcement block (14) on the outer side of the second buckle block (6) is fixedly connected to the second bus duct (2).

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