An improved fire-resistant busbar trunking

Abstract

This utility model relates to the field of busbar trunking technology, specifically an improved fire-resistant busbar trunking, including a busbar trunking shell and a connecting assembly disposed at the connection between two adjacent busbar trunking shells. The busbar trunking shell has fixing plates on both the left and right sides at both ends, and the fixing plates at both ends of the busbar trunking shell are staggered. The connecting assembly includes an upper connecting member and a lower connecting member. Either the lower or upper connecting member includes a connecting plate, and mounting plates are slidably connected to both sides of the connecting plate. A fastening plate is provided on the outer side of the mounting plate. This utility model, through the design of the connecting assembly, ensures a stable and reliable connection at the connection between the two busbar trunking shells. Furthermore, it eliminates the need for multiple additional bolts during installation, saving installation time, improving installation efficiency, and enhancing the ease of installation of the busbar trunking shell.

Description

Technical Field

[0001] This utility model relates to the field of busbar technology, specifically to an improved fire-resistant busbar. Background Technology

[0002] Fire-resistant busbar trunking consists of a fire-retardant coated shell, busbars wrapped with fire-resistant mica tape, and a support frame made of fire-resistant insulating material. The support frame has multiple grooves into which the busbars are inserted and secured. A busbar trunking junction box is located at one end of the trunking, and a busbar tap-out box is located inside the trunking. Fire-resistant busbar trunking possesses excellent insulation properties, allowing for continuous use in normal environments and for over one hour in fire-prone environments. It is suitable for use in high-rise buildings and critical facilities, replacing fire-resistant cables for power transmission and distribution.

[0003] When using existing busbar trunking, multiple busbar trunkings need to be connected. During splicing, the metal conductor connecting pieces between the busbar trunkings must first be butted together, then the metal conductor connecting pieces are fixed with bolts, and finally the busbar trunking protective cover is butted together with multiple bolts. Therefore, when splicing the busbar trunking protective cover, the workers need to tighten the bolts multiple times, which makes the installation time-consuming and inefficient. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by providing an improved fire-resistant busbar trunking. This solves the problem that existing busbar trunking systems require multiple connections during use. The connection process involves first butt-fitting the metal conductor connecting pieces between the busbar trunking sections, then fixing the connecting pieces with bolts, and finally connecting the busbar trunking protective cover with multiple bolts. Therefore, during the assembly of the busbar trunking protective cover, workers need to tighten the bolts multiple times, resulting in time-consuming and inefficient installation.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An improved fire-resistant busbar trunking includes a busbar trunking shell and a connecting assembly disposed at the connection between two adjacent busbar trunking shells. Multiple evenly distributed docking blocks are provided on the upper and lower sides of both ends of the busbar trunking shell. Fixing plates are provided on the left and right sides of both ends of the busbar trunking shell, and the fixing plates at both ends of the busbar trunking shell are staggered. Reinforcing blocks are provided on both sides of the fixing plates of the busbar trunking shell.

[0007] The connecting assembly includes an upper connector and a lower connector. The lower connector or the upper connector includes a connecting plate. The connecting plate has a through-hole for the docking block to engage when two adjacent busbar housings are connected end to end. Mounting plates are slidably connected to both sides of the connecting plate. The mounting plate has a through-hole for the reinforcing block to engage when two adjacent busbar housings are connected end to end. A fastening plate is provided on the outer wall of the mounting plate.

[0008] As a preferred technical solution of this utility model, the fastening plate in the upper connecting member is provided with a limiting plate at the top, a sliding rod is slidably provided on the limiting plate, a threaded connecting rod is provided at the bottom end of the sliding rod, and a knob is provided at the top end of the sliding rod.

[0009] As a preferred embodiment of this utility model, both the fixing plate and the fastening plate are provided with threaded connection grooves for threaded connection rods to be screwed in.

[0010] As a preferred embodiment of this utility model, the mounting plate is provided with a fixing groove for the fixing plate to be snapped into place.

[0011] As a preferred technical solution of this utility model, the mounting plate is provided with a guide block, and the connecting plate is provided with a guide groove that allows the guide block to move.

[0012] As a preferred embodiment of this utility model, both ends of the connecting plate are provided with stop plates.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This utility model, through the setting of the connecting plate in the connecting assembly, can limit the connection of the upper and lower sides of the connection between two adjacent busbar trough shells. Through the setting of the mounting plate in the connecting assembly, it can limit the connection of the left and right sides of two adjacent busbar trough shells, thereby making the connection between the two busbar trough shells stable and reliable. Moreover, no additional bolts are needed during the installation process, saving installation time, improving installation efficiency, and enhancing the convenience of busbar trough shell installation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the busbar trunking housing of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the connecting component of this utility model;

[0018] Figure 4 This is a schematic diagram of the mounting plate of this utility model;

[0019] In the diagram: 1. Busbar housing; 101. Connecting block; 102. Fixing plate; 103. Reinforcing block; 104. Threaded connection groove; 2. Connecting assembly; 21. Upper connector; 211. Limiting plate; 212. Sliding rod; 213. Threaded connecting rod; 214. Knob; 22. Lower connector; 221. Connecting plate; 222. Connecting groove; 223. Mounting plate; 224. Reinforcing groove; 225. Fastening plate; 226. Fixing groove; 227. Guide block; 228. Guide groove; 229. Stop plate. Detailed Implementation

[0020] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0021] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] Example

[0023] refer to Figures 1-4 An improved fire-resistant busbar trunking includes a busbar trunking housing 1 and a connecting component 2 disposed at the connection between two adjacent busbar trunking housings 1. The connection component 2 ensures a stable and reliable connection between the two busbar trunking housings 1, and eliminates the need for multiple additional bolts during installation, thus saving installation time, improving installation efficiency, and enhancing the ease of installation of the busbar trunking housing 1.

[0024] refer to Figure 2 The busbar housing 1 has multiple evenly distributed docking blocks 101 on both the upper and lower sides of both ends, and fixing plates 102 on both the left and right sides of both ends of the busbar housing 1. The fixing plates 102 at both ends of the busbar housing 1 are staggered. The busbar housing 1 on both sides of the fixing plate 102 is provided with reinforcing blocks 103.

[0025] refer to Figures 3-4The connecting component 2 includes an upper connecting member 21 and a lower connecting member 22. The lower connecting member 22 or the upper connecting member 21 includes a connecting plate 221. The connecting plate 221 has a through-hole for the docking block 101 to engage when two adjacent busbar housings 1 are connected end to end. The docking groove 222 and the docking block 101 are used to limit the connection of the upper and lower sides of the connection between the two adjacent busbar housings 1. The connecting plate 221 is slidably connected to both sides of the mounting plate 223. The mounting plate 223 has a through-hole for the reinforcing block 103 to engage when two adjacent busbar housings 1 are connected end to end. The reinforcing groove 224 and the reinforcing block 103 are used to limit the connection of the left and right sides of the connection between the two adjacent busbar housings 1. The outer wall of the mounting plate 223 is provided with a fastening plate 225.

[0026] The fastening plate 225 in the upper connector 21 is provided with a limiting plate 211 at its top. A sliding rod 212 is slidably provided on the limiting plate 211. A threaded connecting rod 213 is provided at the bottom end of the sliding rod 212. A knob 214 is provided at the top end of the sliding rod 212. By setting the limiting plate 211 and the sliding rod 212, the displacement of the threaded connecting rod 213 can be limited on the one hand, and the threaded connecting rod 213 can always be connected to the limiting plate 211 on the other hand, which facilitates the installation work of the staff and avoids the loss of parts.

[0027] Furthermore, both the fixing plate 102 and the fastening plate 225 are provided with threaded connection grooves 104 for threaded connection rods 213 to be threaded. By rotating the knob 214, the threaded connection rods 213 are moved downwards and connected with the threaded connection grooves 104 on the fixing plate 102 and the fastening plate 225, thereby limiting and fixing the connection assembly 2 at the connection point of the two busbar housings 1, thus making the two busbar housings 1 stably connected.

[0028] Furthermore, the mounting plate 223 is provided with a fixing groove 226 for the fixing plate 102 to be snapped into.

[0029] Furthermore, the mounting plate 223 is provided with a guide block 227, and the connecting plate 221 is provided with a guide groove 228 that allows the guide block 227 to move. Through the setting of the guide groove 228 and the guide block 227, the mounting plate 223 always maintains the connection relationship with the connecting plate 221, and at the same time, it can guide the displacement of the mounting plate 223, so as to facilitate the insertion of the reinforcing block 103 in the busbar housing 1 into the reinforcing groove 224 of the mounting plate 223.

[0030] Furthermore, both ends of the connecting plate 221 are provided with stop plates 229, which can limit the displacement of the mounting plate 223.

[0031] It should be added that, in the initial state, the lowermost end of the threaded connecting rod 213 in the upper connector 21 is housed in the threaded connecting groove 104 of the upper connector 21, so as not to affect the installation of the connecting assembly 2 and the busbar housing 1.

[0032] The working principle of this utility model:

[0033] During installation, first, align and connect the two adjacent busbar trunking housings 1 end to end. Slide the mounting plates 223 in both the upper connector 21 and the lower connector 22 to the outermost end of the guide groove 228. Then, align the mating groove 222 of the upper connector 21 with the mating block 101 on the upper side of the busbar trunking housing 1 and insert it downwards from above. Next, align the mating groove 222 of the lower connector 22 with the mating block 101 on the lower side of the busbar trunking housing 1 and insert it upwards from below. Finally, slide the mounting plates 223 in both the upper connector 21 and the lower connector 22 inwards. During this sliding movement, the two busbar trunking housings... The fixing plate 102 at the connection point is inserted into the fixing groove 226 of the upper connector 21 and the lower connector 22 until the reinforcing block 103 in the busbar housing 1 is inserted into the reinforcing groove 224 of the mounting plate 223. At this time, the threaded connection groove 104 of the upper connector 21 and the lower connector 22 and the threaded connection groove 104 at the connection of the two busbar housings 1 are connected. Rotating the knob 214 causes the threaded connecting rod 213 to move downward and connect with the threaded connection groove 104 on the fixing plate 102 and the fastening plate 225, thereby limiting and fixing the connecting component 2 at the connection of the two busbar housings 1, thus making the two busbar housings 1 stably connected.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. An improved fire-resistant busbar trunking, comprising a busbar trunking housing (1) and a connecting assembly (2) disposed at the connection between two adjacent busbar trunking housings (1), characterized in that: The busbar housing (1) has multiple evenly distributed docking blocks (101) on both the upper and lower sides of both ends, and fixing plates (102) on both the left and right sides of both ends of the busbar housing (1). The fixing plates (102) at both ends of the busbar housing (1) are staggered. The busbar housing (1) on both sides of the fixing plate (102) is provided with reinforcing blocks (103). The connecting component (2) includes an upper connector (21) and a lower connector (22). The lower connector (22) or the upper connector (21) includes a connecting plate (221). The connecting plate (221) has a through-hole groove (222) for the docking block (101) to engage when two adjacent busbar housings (1) are connected end to end. Mounting plates (223) are slidably connected to both sides of the connecting plate (221). The mounting plate (223) has a through-hole groove (224) for the reinforcing block (103) to engage when two adjacent busbar housings (1) are connected end to end. A fastening plate (225) is provided on the outer wall of the mounting plate (223).

2. The improved fire-resistant busbar trunking according to claim 1, characterized in that: The fastening plate (225) in the upper connector (21) is provided with a limiting plate (211) at the top, and a sliding rod (212) is slidably provided on the limiting plate (211). A threaded connecting rod (213) is provided at the bottom end of the sliding rod (212), and a knob (214) is provided at the top end of the sliding rod (212).

3. An improved fire-resistant busbar trunking system according to claim 2, characterized in that: Both the fixing plate (102) and the fastening plate (225) are provided with threaded connection grooves (104) for threaded connection rods (213) to be threaded.

4. An improved fire-resistant busbar trunking system according to claim 1, characterized in that: The mounting plate (223) has a fixing groove (226) for the fixing plate (102) to be engaged.

5. An improved fire-resistant busbar trunking system according to claim 1, characterized in that: The mounting plate (223) is provided with a guide block (227), and the connecting plate (221) is provided with a guide groove (228) that allows the guide block (227) to move.

6. An improved fire-resistant busbar trunking system according to claim 1, characterized in that: Both ends of the connecting plate (221) are provided with stop plates (229).

Images