Fire-resistant bus duct

By introducing structures such as locking grooves, pull plate grooves, through grooves, telescopic grooves, and pull plate springs into the busbar trunking, the problem of cumbersome operation in separating the cover plate from the trunking body is solved, enabling quick disassembly and assembly and stable connection, thus improving ease of use and safety.

CN223858792UActive Publication Date: 2026-01-30ZHEJIANG VOLANT ELECTRIC CO LTD
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Patent Information

Application Number
CN202520381757.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-01-30
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

The existing fire-resistant busbar trunking has a complicated process of separating the cover plate from the trunking body, requiring multiple operations and is time-consuming and labor-intensive.

Method used

The design incorporates locking grooves, pull plate grooves, through grooves, telescopic grooves, and pull plate springs, making it easier and faster to assemble and disassemble the cover plate from the groove. The cover plate can be quickly separated and installed by pulling the pull plate and the linkage rod.

Benefits of technology

It enables quick assembly and disassembly of the cover plate and the tank body, saving time and effort and improving the ease of operation. The copper busbar is fixed with bolts, which enhances the stability of use and heat dissipation performance, and has a certain degree of fire resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bus ducts, in particular to a fire-resistant bus duct which comprises a duct body, locking grooves are formed in two sides of the inner wall of the duct body, a cover plate is arranged at the top of the duct body, plate pulling grooves are formed in the top of the cover plate, penetrating grooves are formed in the bottoms of the inner walls of the two plate pulling grooves, and a fixing plate is fixedly connected to the bottom of the cover plate. Telescopic grooves are formed in the outer walls of the two sides of the fixing plate correspondingly, pulling plates are arranged in the two pulling plate grooves correspondingly, pulling plate springs are fixedly connected to the outer walls of the pulling plates, the other ends of the two pulling plate springs are fixedly connected with the inner walls of the pulling plate grooves correspondingly, linkage rods are fixedly connected to the bottoms of the two ends of the two pulling plates correspondingly, and locking plates are arranged in the two telescopic grooves correspondingly. And linkage grooves are formed in the two ends of the locking plate correspondingly, the bottoms of the linkage rods extend into the linkage grooves, and limiting rods are fixedly connected to the inner walls of the two plate pulling grooves correspondingly. The whole operation is convenient, the cover plate and the groove body are quickly disassembled and assembled, and time and labor are saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bus duct field especially, it relates to a fire -resistant bus duct. BACKGROUND

[0002] Bus duct is a kind of closed metal device by copper, aluminium bus column, its function is to transport electric energy, and it is the indispensable electrical component in power system, provides stable, efficient working environment for electrical equipment and power system, its variety is various, and a fire -resistant bus duct is an important part.

[0003] Applicant in the application of the utility model, after retrieval, found that Chinese patent disclosed "a fire -resistant bus duct", its application number is "CN202323185143.8", the patent mainly through being provided with fixed structure, through the recess the cover plate is placed the top of groove body, makes connecting plate move to the inside of sliding groove, under the extrusion of connecting plate, clamping block will move to the inside of movable slot, after connecting plate completely moves to the inside of sliding groove, reset spring will push clamping block moves to the inside of clamping groove, in turn makes groove body and cover plate be mutually fixed, when needing disassembly, pull mobile block, mobile block will be driven clamping block moves to the outside of clamping groove by connecting rod, in turn makes groove body and cover plate be mutually separated, realize the function that the device is convenient to disassemble, to improve the convenience of the fire -resistant bus duct when using.

[0004] But the device is provided with multiple fixed structures, and fixed structure is distributed on the side wall of groove body two ends respectively, actual operation, need to be operated several times, can make groove body and cover plate separate, and the operation process is complicated, time -consuming and labor -intensive. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a fire -resistant bus duct, and the main technical problem to be solved is that the existing device is provided with multiple fixed structures, and fixed structure is distributed on the side wall of groove body two ends respectively, actual operation, need to be operated several times, can make groove body and cover plate separate, and the operation process is complicated, time -consuming and labor -intensive.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a fire -resistant bus duct, including the tank, the inner wall both sides of tank are established with locking groove, the top of cover is established with pull plate groove, and the quantity of pull plate groove is two, the inner wall bottom of two pull plate grooves are established with through groove, and the through groove is two, the bottom of cover is fixedly connected with fixed plate, the both sides outer wall of fixed plate are established with telescopic slot, the inside of two pull plate grooves are provided with pull plate, the outer wall of pull plate is fixedly connected with pull plate spring, and the quantity of pull plate spring is two, the other end of two pull plate springs is fixedly connected with the inner wall of pull plate groove, the both end bottom of two pull plates is fixedly connected with linkage rod, the inside of two telescopic slots is provided with locking plate, the both ends of locking plate are established with linkage slot, the bottom of linkage rod extends to the inside of linkage slot, the inner wall of two pull plate grooves is fixedly connected with limiting rod, and the quantity of limiting rod is two, limiting rod passes through pull plate.

[0007] Through adopt above technical scheme, the cover and tank dismount more convenient and fast, convenient to overhaul and replace the inside copper medal.

[0008] As the further description of above technical scheme:

[0009] The pull plate groove is communicated with the telescopic slot through the through groove, the pull plate spring is located outside the limiting rod, and the bottom of the one end of the two locking plates away from the cover is inclined.

[0010] Through adopt above technical scheme, after pull plate spring pulls the pull plate, the pull plate is homing, thereby making two locking plates homing.

[0011] As the further description of above technical scheme:

[0012] The both end inside of cover is screw -threaded with bolt, the top of cover is established with through -hole, and the quantity of through -hole has multiple, the inside of multiple through -hole is provided with connecting rod, the top of connecting rod is fixedly connected with baffle, the bottom of baffle is fixedly connected with baffle spring, the bottom of baffle spring is fixedly connected with the top of cover, the bottom of adjacent two connecting rods is fixedly connected with pressing plate, the bottom of pressing plate is provided with pressure block, and the quantity of pressure block has multiple.

[0013] Through adopt above technical scheme, after copper medal installation is finished, can limit copper row, improve the stability in the use of copper row.

[0014] As the further description of above technical scheme:

[0015] The top of the groove body is provided with positioning holes, and the number of the positioning holes is multiple; the bottom of the cover plate is provided with positioning rods, and the number of the positioning rods is multiple; and the multiple positioning rods are respectively located in the multiple positioning holes.

[0016] By adopting the above technical scheme, the cover plate is prevented from being offset after being installed on the top of the groove body.

[0017] As a further description of the above technical scheme:

[0018] The inside of the groove body is provided with a partition plate, the inside of the partition plate is provided with copper bars, and the number of the copper bars is multiple; both sides of the groove body are provided with through grooves, and the number of the through grooves is multiple; and the copper bars penetrate through the through grooves.

[0019] By adopting the above technical scheme, the outer wall of the partition plate is coated with epoxy resin paint, which has the effect of fire resistance, and the copper bars have the effect of conveying current and connecting electrical equipment.

[0020] As a further description of the above technical scheme:

[0021] The outer wall of the groove body is provided with heat dissipation grooves, and the number of the heat dissipation grooves is multiple; the outer wall of the groove body is provided with heat dissipation fins, and the number of the heat dissipation fins is multiple; and the multiple heat dissipation fins and the multiple heat dissipation grooves are cross arranged.

[0022] By adopting the above technical scheme, the effect of double heat dissipation is achieved, and the heat dissipation performance is improved.

[0023] By adopting the above technical scheme, the fireproof bus duct has at least the following beneficial effects:

[0024] 1. Compared with the prior art, when the cover plate needs to be removed, the two pull plates are pulled relative to each other, at this time, the multiple pull plate springs are in a compressed state, in the moving process of the pull plate, the bottoms of the two linkage rods connected thereto move along the linkage grooves formed in the inside of the locking plate, and under the action of the penetrating grooves, the two locking plates move into the two expansion grooves respectively, until the two locking plates are separated from the corresponding locking grooves respectively, and the cover plate is lifted upward to separate the cover plate from the groove body, then the multiple pull plate springs rebound, and the two locking plates are stretched outward to return to the original position, when the cover plate is installed, the cover plate is directly pressed on the top of the groove body, the two locking plates are pressed into the two expansion grooves respectively, at this time, the multiple pull plate springs are compressed and then rebound, so that the two locking plates return to the original position and enter the inside of the two locking grooves respectively, the whole operation is convenient, time-saving and labor-saving.

[0025] 2、compared with the prior art, the fire-resistant bus duct, after the cover plate is connected with the groove body, two bolts are screwed respectively, the two bolts move downward in the cover plate, press the pressing plate, the pressing plate and the plurality of pressing blocks connected with the bottom move downward to press the plurality of copper bars, so that the copper bars do not vibrate and deviate during use, and a plurality of heat dissipation grooves and heat dissipation fins are arranged on the outer wall of the groove body to play a heat dissipation role, and a partition plate is arranged in the groove body, the outer wall of the partition plate is coated with epoxy resin paint, so that the device has certain fireproof performance, reduces the danger of object combustion, and realizes the fireproof function of the device. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 a first perspective view of the overall structure of the fire-resistant bus duct is provided for the utility model;

[0027] Figure 2 a top structure schematic view of the groove body of the fire-resistant bus duct is provided for the utility model;

[0028] Figure 3 a top structure schematic view of the cover plate of the fire-resistant bus duct is provided for the utility model;

[0029] Figure 4 a bottom structure schematic view of the cover plate of the fire-resistant bus duct is provided for the utility model;

[0030] Figure 5 a through groove structure schematic view of the fire-resistant bus duct is provided for the utility model;

[0031] Figure 6 a linkage rod and locking block connection state structure schematic view of the fire-resistant bus duct is provided for the utility model;

[0032] Figure 7 a connecting rod and pressing plate structure schematic view of the fire-resistant bus duct is provided for the utility model;

[0033] Figure 8 an internal structure schematic view of the fire-resistant bus duct is provided for the utility model.

[0034] LEGEND:

[0035] 1, groove body; 2, locking groove; 3, cover plate; 4, pull plate groove; 5, through groove; 6, fixed plate; 7, telescopic groove; 8, pull plate; 9, pull plate spring; 10, linkage rod; 11, locking plate; 12, linkage groove; 13, limiting rod; 14, bolt; 15, through hole; 16, connecting rod; 17, baffle; 18, baffle spring; 19, pressing plate; 20, pressing block; 21, positioning hole; 22, positioning rod; 23, partition plate; 24, copper bar; 25, through groove; 26, heat dissipation groove; 27, heat dissipation fin. DETAILED DESCRIPTION

[0036] With reference to Figures 1-8 The utility model provides a fire -resistant bus duct : including the groove 1, the inner wall both sides of groove 1 are all seted up locking slot 2, the top of cover plate 3 is seted up pull plate slot 4, and the quantity of pull plate slot 4 has two, the inner wall bottom of two pull plate slot 4 all are seted up through groove 5, and the through groove 5 all have two, the bottom of cover plate 3 is fixedly connected with fixed plate 6, the both sides outer wall of fixed plate 6 all are seted up telescopic slot 7, the inside of two pull plate slot 4 all are provided with pull plate 8, the outer wall of pull plate 8 is fixedly connected with pull plate spring 9, and the quantity of pull plate spring 9 has two, the other end of two pull plate spring 9 all is fixedly connected with the inner wall of pull plate slot 4, the both ends bottom of two pull plate 8 all are fixedly connected with linkage lever 10, the inside of two telescopic slot 7 all are provided with locking plate 11, the both ends of locking plate 11 all are seted up linkage slot 12, the bottom of linkage lever 10 extends to the inside of linkage slot 12, when needing to take off cover plate 3, two pull plate 8 are opposite and are pulled, at this moment, multiple pull plate spring 9 are in compression state, pull plate 8 in the process of moving, with the bottom of two linkage levers 10 connected along the linkage slot 12 seted up in the inside of locking plate 11 moves, is moved to two locking plate 11 under the action of through groove 5 respectively to two telescopic slot 7, until two locking plate 11 respectively separates from the locking slot 2 corresponding to it, and the cover plate 3 is lifted upwards and can make cover plate 3 separate with the groove 1, subsequently multiple pull plate spring 9 rebound, make two locking plate 11 extend to the outside and return to the original position, when installing cover plate 3, directly press cover plate 3 on the top of groove 1, two locking plate 11 are extruded and are received in two telescopic slot 7 respectively, at this moment, multiple pull plate spring 9 are compressed first and then rebound, make two locking plate 11 return to the original position and enter the inside of two locking slot 2 respectively, whole operation is convenient, saves time and labour, the inner wall of two pull plate slot 4 all are fixedly connected with limiting rod 13, and the quantity of limiting rod 13 all has two, limiting rod 13 passes through pull plate 8, and the movement of two pull plate 8 is more stable to the limiting of two pull plate 8.

[0037] Pull plate slot 4 is communicated with telescopic slot 7 through through groove 5, pull plate spring 9 is located the outside of limiting rod 13, and the bottom of two locking plate 11 far from cover plate 3 one end is inclined.

[0038] The inside of both ends of the cover plate 3 is threadedly connected with a bolt 14, the top of the cover plate 3 is provided with a through hole 15, and the number of the through holes 15 is multiple, the inside of the multiple through holes 15 is provided with a connecting rod 16, the top of the connecting rod 16 is fixedly connected with a baffle 17, the bottom of the baffle 17 is fixedly connected with a baffle spring 18, the bottom of the baffle spring 18 is fixedly connected with the top of the cover plate 3, the bottom of the adjacent two connecting rods 16 is fixedly connected with a pressing plate 19, the bottom of the pressing plate 19 is provided with a pressing block 20, and the number of the pressing block 20 is multiple, after the cover plate 3 is connected with the groove body 1, the two bolts 14 are respectively screwed, the two bolts 14 are moved downward in the cover plate 3, the pressing plate 19 is extruded, the multiple pressing blocks 20 connected with the bottom are moved downward, the multiple copper bars 24 are pressed tightly, and the copper bars 24 will not vibrate and deviate during use.

[0039] The top of the groove body 1 is provided with a positioning hole 21, and the number of the positioning holes 21 is multiple, the bottom of the cover plate 3 is provided with a positioning rod 22, and the number of the positioning rods 22 is multiple, the multiple positioning rods 22 are respectively located in the inside of the multiple positioning holes 21, the process of installing the cover plate 3 is more convenient, and it is ensured that the cover plate 3 will not deviate after installation.

[0040] The inside of the groove body 1 is provided with a partition plate 23, the inside of the partition plate 23 is provided with a copper bar 24, and the number of the copper bars 24 is multiple, the two sides of the groove body 1 are provided with a through groove 25, and the number of the through grooves 25 is multiple, the copper bar 24 penetrates through the through groove 25.

[0041] The outer wall of the groove body 1 is provided with a heat dissipation groove 26, and the number of the heat dissipation grooves 26 is multiple, the outer wall of the groove body 1 is provided with a heat dissipation fin 27, and the number of the heat dissipation fins 27 is multiple, the multiple heat dissipation fins 27 and the multiple heat dissipation grooves 26 are cross arranged, which has a double heat dissipation effect.

[0042] Working principle: when the cover plate 3 needs to be removed, the two pull plates 8 are pulled relatively, at this time, the plurality of pull plate springs 9 are in compression state, the pull plate 8 moves in the process, the bottom of the two linkage rods 10 connected therewith moves along the linkage groove 12 inside the locking plate 11, at the same time, under the action of the through groove 5, the two locking plates 11 move into the two telescopic grooves 7 respectively, until the two locking plates 11 respectively separate from the corresponding locking grooves 2, the cover plate 3 is lifted up to separate the cover plate 3 from the groove body 1, then the plurality of pull plate springs 9 rebound, the two locking plates 11 extend outward to return to the original position, when the cover plate 3 is installed, the cover plate 3 is directly pressed on the top of the groove body 1, the two locking plates 11 are pressed into the two telescopic grooves 7 respectively, at this time, the plurality of pull plate springs 9 are compressed and rebounded, so that the two locking plates 11 return to the original position and enter the inside of the two locking grooves 2 respectively, after the cover plate 3 is installed, the two bolts 14 are screwed, the two bolts 14 move downward in the cover plate 3, press the pressing plate 19, the pressing plate 19 and the plurality of pressing blocks 20 connected at the bottom move downward to press the plurality of copper bars 24, so that the copper bars 24 do not vibrate and deviate during use, and a plurality of heat dissipation grooves 26 and heat dissipation fins 27 are arranged on the outer wall of the groove body 1 to play a heat dissipation role, and a partition plate 23 is arranged inside the groove body 1, the outer wall of the partition plate 23 is coated with epoxy resin paint, so that the device has certain fireproof performance.

[0043] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A fire resistant bus duct comprising a duct body (1) characterized by: The inner wall of the groove body (1) is provided with locking grooves (2) on both sides, the top of the groove body (1) is provided with a cover plate (3), the top of the cover plate (3) is provided with pull plate grooves (4), the number of pull plate grooves (4) is two, the inner wall of the pull plate groove (4) is provided with through grooves (5) at the bottom, and the number of through grooves (5) is two, the bottom of the cover plate (3) is fixedly connected with a fixed plate (6), the outer wall of the fixed plate (6) is provided with telescopic grooves (7) on both sides, the inside of the pull plate groove (4) is provided with a pull plate (8), the outer wall of the pull plate (8) is fixedly connected with a pull plate spring (9), the number of pull plate springs (9) is two, the other end of the pull plate spring (9) is fixedly connected with the inner wall of the pull plate groove (4), the bottom of the both ends of the pull plate (8) is fixedly connected with a linkage rod (10), the inside of the telescopic groove (7) is provided with a locking plate (11), the both ends of the locking plate (11) are provided with linkage grooves (12), the bottom of the linkage rod (10) extends into the inside of the linkage groove (12), the inner wall of the pull plate groove (4) is fixedly connected with a limiting rod (13), and the number of limiting rods (13) is two, and the limiting rod (13) penetrates the pull plate (8).

2. The fire resistant busway of claim 1, wherein: The pull plate groove (4) is connected with the telescopic groove (7) through the through groove (5), the pull plate spring (9) is located outside the limiting rod (13), and the bottom of the one end of the locking plate (11) away from the cover plate (3) is inclined.

3. The fire resistant busway of claim 1, wherein: The both ends of the cover plate (3) are internally and threadedly connected with bolts (14), the top of the cover plate (3) is provided with through holes (15), the number of through holes (15) is multiple, the inside of the through hole (15) is provided with a connecting rod (16), the top of the connecting rod (16) is fixedly connected with a baffle (17), the bottom of the baffle (17) is fixedly connected with a baffle spring (18), the bottom of the baffle spring (18) is fixedly connected with the top of the cover plate (3), the bottom of the adjacent two connecting rods (16) is fixedly connected with a pressing plate (19), the bottom of the pressing plate (19) is provided with a pressing block (20), and the number of pressing blocks (20) is multiple.

4. The fire resistant busway of claim 1, wherein: The top of the groove body (1) is provided with positioning holes (21), and the number of positioning holes (21) is multiple, the bottom of the cover plate (3) is provided with positioning rods (22), and the number of positioning rods (22) is multiple, and the multiple positioning rods (22) are located in the inside of the multiple positioning holes (21) respectively.

5. The fire resistant busway of claim 1, wherein: The inside of the groove body (1) is provided with a partition plate (23), the inside of the partition plate (23) is provided with copper bars (24), and the number of copper bars (24) is multiple, the both sides of the groove body (1) are provided with through grooves (25), and the number of through grooves (25) is multiple, and the copper bar (24) penetrates the through groove (25).

6. The fire resistant busway of claim 1, wherein: The outer wall of the groove body (1) is provided with a plurality of heat dissipation grooves (26), and the outer wall of the groove body (1) is provided with a plurality of heat dissipation fins (27), and the plurality of heat dissipation fins (27) and the plurality of heat dissipation grooves (26) are cross arranged.

Citation Information

Patent Citations

  • Fire-resistant bus duct

    CN221282804U