Fireproof safe bus duct

Abstract

The utility model discloses a fireproof safety type bus duct, which comprises a shell and a conducting bar, the shell comprises a bottom shell and a cover plate, movable mounting seats are arranged at two ends of the bottom surface in the bottom shell, each movable mounting seat comprises a gear, a first movable support and a second movable support, and the first movable support and the second movable support are both L-shaped. Each of the first movable support and the second movable support comprises a vertical section and a straight section which are perpendicular to each other, one end of the straight section is connected with one end of the vertical section, a rack structure is arranged on the lateral surface of the straight section, the first movable support and the second movable support are arranged in parallel in a staggered mode, a sliding groove is formed in the lower portion of the straight section, and the sliding groove is matched with a sliding rail; the sliding rail is arranged on the bottom surface in the bottom shell, and the sliding rail is arranged in the width direction of the shell; the gear is located between the first movable support and the second movable support and engaged with the rack structure.

Description

Technical Field

[0001] The utility model relates to a fireproof safety bus duct. Background Art

[0002] Bus duct is a closed metal device composed of copper and aluminum busbars, which is used to distribute high power to various components of the distributed system. It has increasingly replaced wires and cables in indoor low-voltage power transmission trunk line projects. In Guangzhou, Guangdong, my country, more than 90% of the main lines leading to the distribution rooms of buildings with more than 12 floors use bus ducts; bus ducts are used from 630KVA transformers to distribution cabinets.

[0003] However, bus ducts are mostly closed structures, and the assembly and fixing methods are relatively traditional. Moreover, as a consumable product, bus ducts need to be inspected and replaced after a period of use. The consumable parts of bus ducts are mostly the internal conductive bars and the insulating materials wrapped on the outside. Therefore, replacing the entire bus duct is particularly wasteful, and it is inconvenient to inspect and assemble it. Utility Model Content

[0004] The purpose of the utility model is to solve the deficiencies of the above prior art and provide a fireproof and safe bus duct.

[0005] A fireproof safety bus duct comprises a shell and a conductive bar. The shell comprises a bottom shell and a cover plate. Both ends of the bottom surface of the bottom shell are provided with movable mounting seats. The movable mounting seats comprise a gear, a first movable bracket and a second movable bracket. Both the first movable bracket and the second movable bracket are L-shaped. The first movable bracket and the second movable bracket comprise a vertical section and a straight section perpendicular to each other. One end of the straight section is connected to one end of the vertical section. A rack structure is provided on the side surface of the straight section. The first movable bracket and the second movable bracket are arranged in parallel and staggered.

[0006] A slide groove is provided below the straight section, the slide groove cooperates with a slide rail, the slide rail is provided on the bottom surface inside the bottom shell, and the slide rail is provided along the width direction of the shell;

[0007] The gear is located between the first movable bracket and the second movable bracket and meshes with the rack structure; the gear is fixedly connected to the outside of the short shaft, the short shaft is rotatably connected to the bottom shell through a bearing, the bearing is installed in the installation groove, and the installation groove is located on the inner bottom surface of the bottom shell;

[0008] The conductive bar comprises a plurality of guide plates, which are installed in parallel in the support member, the support member is installed in the movable mounting seat, and the support member is fixedly connected to the mounting seat through a fixing structure.

[0009] Preferably, the upper end surface of the straight section is provided with a groove, and a plurality of rollers are provided in the groove. The rollers are movably mounted on a support rod, and the two ends of the support rod are respectively connected to the side walls of the groove. There is a gap between the rollers and the bottom surface of the groove, and the rollers are higher than the upper end surface of the straight section.

[0010] Preferably, the support member is a split structure, and the support member includes an upper splint and a lower splint, the lower surface of the upper splint is provided with a plurality of through grooves, the upper end surface of the lower splint is provided with a plurality of through grooves, the guide plate is fixed in the through grooves of the upper splint and the lower splint, the lower end surface of the upper splint is provided with a positioning column, and the upper end surface of the lower splint is provided with a positioning groove for cooperation with the positioning column.

[0011] Preferably, the fixing structure includes a fixing rod, which is U-shaped and includes a cross bar and two vertical bars. The two ends of the cross bar are respectively connected to one end of the vertical bar. The two ends of the upper end surface of the cross bar are provided with through holes that penetrate the vertical bars. Long bolts are provided in the through holes. The upper end surfaces of the vertical sections of the first movable bracket and the second movable bracket are provided with threaded holes, which are used to cooperate with the threads of the long bolts.

[0012] Preferably, the cross bar is a telescopic bar, and the cross bar comprises a first bar and a second bar, and the first bar is movably arranged inside the second bar.

[0013] Preferably, the bottom shell and the cover plate are both U-shaped structures.

[0014] Preferably, the outer surface of the shell is coated with a fire-resistant coating.

[0015] Preferably, the outer side of the guide plate is wrapped with mica sheets.

[0016] Preferably, a plurality of ventilation holes are provided on the surface of the shell, and filter nets are provided in the ventilation holes.

[0017] Beneficial effect: Compared with the prior art, the utility model realizes convenient installation of the conductive bar through the movable mounting seat, the support member and the fixed structure. The guide plate is clamped in the through groove of the lower clamp plate, and then the upper clamp plate is sleeved on the guide plate. The positioning column is inserted in the positioning groove, and the fixing member is placed in the movable mounting seat. The first movable bracket and the second movable bracket are pushed inward to fit the vertical section with the support member. Then the fixing rod is sleeved on the support member, and the bolts are tightened to fix the fixing rod and the movable mounting seat, thereby realizing convenient assembly of the bus duct conductive bar and facilitating subsequent maintenance and replacement.

[0018] The first movable bracket and the second movable bracket are ensured by gears to move synchronously and with the same amplitude, so as to ensure that the conductive bar after fixed installation is always arranged along the length direction of the shell and in a fixed position, so as to prevent the conductive bar from tilting due to the movement error of the movable brackets at both ends after fixation; and the telescopic structure of the fixed rod and the adjustable structure of the movable mounting seat can adapt to different size installation requirements, the roller on the movable bracket reduces the friction between the movable bracket and the support member when adjusting, and the slide rail and the slide groove ensure the movement trajectory of the movable bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a fire-safe bus duct;

[0020] Figure 2 It is a schematic diagram of the internal structure assembly of the shell;

[0021] Figure 3 It is a top view of the internal assembly structure of the shell;

[0022] Figure 4 It is a schematic diagram of the assembly of the movable mounting seat on the bottom shell;

[0023] Figure 5 It is a top view of the assembly structure of the movable mounting seat on the bottom shell;

[0024] Figure 6 is a top view of the bottom shell;

[0025] Figure 7 is a schematic diagram of a first movable bracket or a second movable bracket;

[0026] Figure 8 is a front view of the first movable bracket or the second movable bracket;

[0027] Fig. 9 is a schematic diagram of the fixed rod;

[0028] Fig.10 is a cross-sectional view of the support member;

[0029] In the figure, 1, cover plate, 2, bottom shell, 3, guide plate, 4, fixing rod, 5, support, 6, long bolt, 7, slide rail, 8, movable mounting seat, 9, gear, 10, short shaft, 11, bearing, 12, vertical section, 13, straight section, 14, roller, 15, rack structure, 16, slide groove, 17, first rod, 18, second rod, 19, upper splint, 20, lower splint, 21, positioning column, 22, positioning groove. DETAILED DESCRIPTION

[0030] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with embodiments and drawings. The embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0031] like Figure 1-10 As shown, the cover plate 1, the bottom shell 2, the guide plate 3, the fixing rod 4, the support member 5, the long bolt 6, the slide rail 7, the movable mounting seat 8, the gear 9, the short shaft 10, the bearing 11, the vertical section 12, the straight section 13, the roller 14, the rack structure 15, the slide groove 16, the first rod 17, the second rod 18, the upper clamping plate 19, the lower clamping plate 20, the positioning column 21, and the positioning groove 22;

[0032] A fireproof safety bus duct comprises a shell and a conductive bar. The shell comprises a bottom shell 2 and a cover plate 1. Both the bottom shell 2 and the cover plate 1 are U-shaped structures. A plurality of ventilation holes are arranged on the surface of the shell. Filters are arranged in the ventilation holes. Both ends of the bottom surface of the bottom shell 2 are provided with movable mounting seats 8. The movable mounting seats 8 comprise a gear 9, a first movable bracket and a second movable bracket. Both the first movable bracket and the second movable bracket are L-shaped. The first movable bracket and the second movable bracket comprise a vertical section 12 and a straight section 13 perpendicular to each other. One end of the straight section 13 is connected to one end of the vertical section 12. A rack structure 15 is arranged on the side surface of the straight section 13. The first movable bracket and the second movable bracket are arranged in parallel and staggered.

[0033] A slide groove 16 is provided below the straight section 13, and the slide groove 16 cooperates with the slide rail 7. The slide rail 7 is arranged on the bottom surface inside the bottom shell 2, and the slide rail 7 is arranged along the width direction of the shell; a groove is provided on the upper end surface of the straight section 13, and a plurality of rollers 14 are provided in the groove. The rollers 14 are movably installed on the support rod, and the two ends of the support rod are respectively connected to the side walls of the groove. There is a gap between the rollers 14 and the bottom surface of the groove, and the rollers 14 are higher than the upper end surface of the straight section 13.

[0034] The gear 9 is located between the first movable bracket and the second movable bracket and meshes with the rack structure 15; the gear 9 is fixedly connected to the outside of the short shaft 10, and the short shaft 10 is rotatably connected to the bottom shell 2 through the bearing 11, and the bearing 11 is installed in the installation groove, which is located on the inner bottom surface of the bottom shell 2;

[0035] The conductive bar includes a plurality of guide plates 3, which are installed in parallel in the support member 5, and the outer side of the guide plate 3 is wrapped with mica sheets. The support member 5 is installed in the movable mounting seat 8, and the support member 5 is fixedly connected to the mounting seat through a fixed structure; the support member 5 is a split structure, and the support member 5 includes an upper clamping plate 19 and a lower clamping plate 20. The lower surface of the upper clamping plate 19 is provided with a plurality of through grooves, and the upper end surface of the lower clamping plate 20 is provided with a plurality of through grooves. The guide plates 3 are fixed in the through grooves of the upper clamping plate 19 and the lower clamping plate 20, and the lower end surface of the upper clamping plate 19 is provided with a positioning column 21, and the upper end surface of the lower clamping plate 20 is provided with a positioning groove 22 for matching with the positioning column 21.

[0036] The fixing structure includes a fixing rod 4, which is U-shaped. The fixing rod 4 includes a cross rod and two vertical rods. The two ends of the cross rod are respectively connected to one end of the vertical rod. The two ends of the upper end surface of the cross rod are provided with through holes that penetrate the vertical rod. Long bolts 6 are provided in the through holes. The upper end surfaces of the vertical sections 12 of the first movable bracket and the second movable bracket are provided with threaded holes. The threaded holes are used to threadably cooperate with the long bolts 6. The cross rod is a telescopic rod. The cross rod includes a first rod 17 and a second rod 18. The first rod 17 is movably inserted into the second rod 18.

[0037] Instructions for use: Clip the guide plate 3 into the through groove of the lower clamping plate 20, then put the upper clamping plate 19 on the guide plate 3, insert the positioning column 21 into the positioning groove 22, place the fixing part in the movable mounting seat 8, push the first movable bracket and the second movable bracket inward, make the vertical section 12 fit with the support member 5, then put the fixing rod 4 on the support member 5, tighten the bolts, and thus fix the fixing rod 4 and the movable mounting seat 8.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fireproof safety bus duct, characterized in that: It includes a shell and a conductive bar. The shell includes a bottom shell and a cover plate. Both ends of the bottom surface of the bottom shell are provided with movable mounting seats. The movable mounting seats include a gear, a first movable bracket and a second movable bracket. Both the first movable bracket and the second movable bracket are L-shaped. The first movable bracket and the second movable bracket include vertical sections and straight sections that are perpendicular to each other. One end of the straight section is connected to one end of the vertical section. A rack structure is provided on the side surface of the straight section. The first movable bracket and the second movable bracket are arranged in parallel and staggered. A slide groove is provided below the straight section, and the slide groove cooperates with a slide rail, and the slide rail is arranged on the bottom surface inside the bottom shell, and the slide rail is arranged along the width direction of the shell; The gear is located between the first movable bracket and the second movable bracket and meshes with the rack structure; the gear is fixedly connected to the outside of the short shaft, the short shaft is rotatably connected to the bottom shell through a bearing, the bearing is installed in the installation groove, and the installation groove is located on the inner bottom surface of the bottom shell; The conductive bar comprises a plurality of guide plates, the guide plates are installed in parallel in the support member, the support member is installed in the movable mounting seat, and the support member is fixedly connected to the mounting seat through a fixing structure.

2. A fire-proof safety bus duct according to claim 1, characterized in that: The upper end surface of the straight section is provided with a groove, and a plurality of rollers are arranged in the groove. The rollers are movably mounted on a support rod, and the two ends of the support rod are respectively connected to the side walls of the groove. There is a gap between the rollers and the bottom surface of the groove, and the rollers are higher than the upper end surface of the straight section.

3. The fireproof safety bus duct according to claim 1, characterized in that: The support member is a split structure, and the support member includes an upper splint and a lower splint. The lower surface of the upper splint is provided with a plurality of through grooves, and the upper end surface of the lower splint is provided with a plurality of through grooves. The guide plate is fixed in the through grooves of the upper splint and the lower splint. The lower end surface of the upper splint is provided with a positioning column, and the upper end surface of the lower splint is provided with a positioning groove for cooperation with the positioning column.

4. The fireproof safety bus duct according to claim 1, characterized in that: The fixing structure includes a fixing rod, which is U-shaped and includes a cross bar and two vertical bars. The two ends of the cross bar are respectively connected to one end of the vertical bar. The two ends of the upper end surface of the cross bar are provided with through holes that penetrate the vertical bars. Long bolts are provided in the through holes. The upper end surfaces of the vertical sections of the first movable bracket and the second movable bracket are provided with threaded holes, which are used to cooperate with the threads of the long bolts.

5. A fireproof safety bus duct according to claim 4, characterized in that: The cross bar is a telescopic bar, which comprises a first bar and a second bar, wherein the first bar is movably arranged inside the second bar.

6. The fireproof safety bus duct according to claim 1, characterized in that: The bottom shell and the cover plate are both U-shaped structures.

7. The fireproof safety bus duct according to claim 1, characterized in that: The outer surface of the shell is coated with a fireproof coating.

8. The fireproof safety bus duct according to claim 1, characterized in that: The outer side of the guide plate is wrapped with mica sheets.

9. The fireproof safety bus duct according to claim 1, characterized in that: The shell surface is provided with a plurality of ventilation holes, and a filter screen is arranged in the ventilation holes.

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