CN212033721U

CN212033721U - Interlocking bus duct

Info

Publication number: CN212033721U
Application number: CN202020867283.0U
Authority: CN
Inventors: 李贵祥; 万文胜
Original assignee: Guizhou Changyu Electric Power & Electrical Co ltd
Current assignee: Guizhou Changyu Electric Power & Electrical Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-11-27
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses an interlocking bus duct, belonging to power transmission and distribution devices; aims to provide a bus duct with simple structure, convenient assembly and disassembly and a copper bar switching protection structure. It comprises a wire slot main body; the outer sides of two groove walls of the groove body (6) are provided with outer buckles (10) which are turned upwards and bent inwards, the two groove walls of the groove cover (1) extend downwards and are bent outwards and turned upwards to form inner buckles (9), the groove body (6) and the groove cover (1) are buckled in a matching way to form a wire groove main body in an I-shaped structure, and a hollow copper bar channel (11) is arranged inside the wire groove main body; two sides of the copper bar channel are respectively provided with a first rib (7) which is arranged on the groove body (6) and is curled into a C-shaped structure, and a second rib (12) which is curled into a C-shaped structure is arranged on the groove cover (1); and two ends of the wire groove main body are provided with connecting chuck protecting boxes. The utility model can shield the copper bar connecting chuck, thereby improving the safety; is an improved structure of the bus duct.

Description

Interlocking bus duct

Technical Field

The utility model relates to a bus duct, in particular to an interlocking bus duct; belongs to a power transmission and distribution device.

Background

The bus duct is generally composed of a duct body and a cover plate, and is a power transmission and distribution device of electrical equipment such as low-voltage complete set switch equipment, control equipment and the like. The high-voltage power distribution and transmission device has the advantages of large current carrying capacity, good dynamic and thermal stability, high protection level, flexible installation, convenient power distribution and the like, and is widely applied to main line power transmission and distribution devices of high and large buildings.

The current bus duct has the defects of complex structure, troublesome disassembly and assembly, difficult fixation of the copper bar and the like, and has no protection structure at the switching position of the copper bar, so that potential safety hazards exist.

Disclosure of Invention

To the above-mentioned defect that prior art exists, the utility model aims at providing a simple structure, easy dismounting, copper bar are fixed reliable, and have copper bar switching protection architecture's interlockable formula bus duct.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the wire casing comprises a wire casing main body consisting of a groove body and a groove cover; the groove body is of an I-shaped structure, and outer buckles which are turned upwards and bent inwards are arranged on the outer sides of the two groove walls of the groove body; the groove cover is of an inverted Y-shaped structure, and two groove walls of the groove cover extend downwards and are bent outwards to form an inner buckle; the slot body and the slot cover are buckled and connected to form a slot main body with an I-shaped structure, and a hollow copper bar channel is arranged in the middle of the slot main body; first ribs which are fixed on the groove body and are curled into a C-shaped structure are respectively arranged at two sides of the copper bar channel, and second ribs which are fixed on the groove cover and are curled into a C-shaped structure are respectively arranged at corresponding positions above the first ribs; and connecting chuck protection boxes are fixed at two ends of the wire slot main body.

The connecting chuck protection box consists of two L-shaped side plates and two cover plates, the outer surface of each side plate is provided with a third rib which is vertically arranged and curled into a C-shaped structure, and a rectangular notch is formed in the position, corresponding to the copper bar channel, of each side plate; the two side plates are respectively fixed on the end surface of the trunking body through screws matched with the first rib and the second rib, and the two cover plates are respectively fixed on the top and the bottom of the two side plates through screws matched with the third rib.

And a sealing strip is embedded between the outer buckle and the inner buckle.

The two outer walls of the groove body are provided with a plurality of convex ridges distributed along the length direction.

Compared with the prior art, the utility model discloses owing to adopted above-mentioned technical scheme, consequently have following advantage:

1) the groove body and the groove cover are connected through the buckles, so that parts such as clamping blocks, pressing plates and bolts can be omitted, the structure and the manufacturing process are simplified, the groove body and the groove cover can be conveniently and quickly disassembled and assembled, and the wiring construction efficiency is improved.

2) The ribs which are curled into the C-shaped structures are arranged on the groove body and the groove cover, so that the strength and the rigidity of the wire groove main body can be improved, the heat dissipation performance is improved, copper bar switching protection devices (namely connection chuck protection boxes) can be quickly installed at two ends of the wire groove main body through self-tapping screws, and the structure is simplified.

3) The increased connecting chuck protecting box can shield the copper bar connecting chuck, improve safety and strengthen the connection between the tank body and the tank cover; the copper bar channel plugging device has the advantages that the connection reliability between the copper bar channel and the side plate is improved, the copper bar channel can be clamped and fixed by utilizing the notches on the side plates and can be plugged, and the structure is further simplified.

4) The copper bar can be clamped by utilizing the notches arranged on the two side plates, so that a bolt through hole for clamping the copper bar can be prevented from being formed in the wire duct main body, and the waterproof sealing performance of the wire duct is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the slot main body of the present invention;

FIG. 3 is a schematic view of the side plate of the present invention;

fig. 4 is a sectional view taken along line a-a in fig. 1.

In the figure: the groove cover comprises a groove cover 1, a mounting hole 2, a third rib 3, a side plate 4, a copper bar 5, a groove body 6, a first rib 7, a cover plate 8, an inner buckle 9, an outer buckle 10, a copper bar channel 11, a second rib 12, a notch 13, a convex edge 14 and a sealing strip 15.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4: the main body of the trunking consists of a trunking body 6 with a cross section in a structure of 'ye' and a trunking cover 1 with a cross section in a structure of 'ye' shape. The outer sides of the two groove walls of the groove body 6 are provided with outer buckles 10 which are turned up and bent inwards, and the two groove walls of the groove cover 1 extend downwards and are turned up and bent outwards to form inner buckles 9; the slot body 6 and the slot cover 1 are buckled to form an I-shaped slot main body, and a hollow copper bar channel 11 is arranged in the middle of the slot main body. First ribs 7 which are distributed on the groove body 6 along the length direction and are curled into a C-shaped structure are respectively arranged at two sides of the copper bar channel, and second ribs 12 which are distributed on the groove cover 1 along the length direction and are curled into a C-shaped structure are respectively arranged at corresponding positions above the first ribs 7; and connecting chuck protecting boxes which can shield connecting chucks (not shown in the figure) of the copper bars 5 are fixed at both ends of the wire slot main body.

The connecting chuck protection box is composed of two side plates 4 bent into an L shape and two cover plates 8 (see figure 1). The two side plates 4 are fixed on the end surface of the trunking body by tapping screws (not shown in the figure) which pass through the mounting holes 2 on the two side plates and are matched with the first ribs 7 and the second ribs 12 to form an inverted U-shaped structure; rectangular notches 13 are formed in the two side plates 4 corresponding to the copper bar channel 11, and the four copper bars 5 extending out of the copper bar channel 11 are hooped and fixed by the two notches 13. The outer surfaces of the two side plates 4 are provided with third ribs 3 which are curled into a C-shaped structure and are vertically arranged, and the two cover plates 8 are respectively fixed at the top and the bottom of the two side plates 4 by self-tapping screws (not shown in the figure) matched with the third ribs 3.

For waterproofing, a sealing strip 15 is embedded between the outer buckle 10 and the inner buckle 9.

In order to enhance the rigidity of the trunking body and also to dissipate heat, a plurality of ribs 14 distributed along the length direction are arranged on the two outer walls of the trunking body 6.

Claims

1. An interlocking bus duct comprises a main body of the bus duct, which is composed of a duct body and a duct cover; the method is characterized in that: the groove body (6) is of an E-shaped structure, and outer buckles (10) which are turned upwards and bent inwards are arranged on the outer sides of the two groove walls of the groove body; the groove cover (1) is of an inverted 'Y' -shaped structure, and two groove walls of the groove cover extend downwards and are bent outwards to form an inner buckle (9); the slot body (6) and the slot cover (1) are buckled and buckled to form a slot main body with an I-shaped structure, and a hollow copper bar channel (11) is arranged in the middle of the slot main body; first ribs (7) which are fixed on the groove body (6) and are curled into a C-shaped structure are respectively arranged at two sides of the copper bar channel, and second ribs (12) which are fixed on the groove cover (1) and are curled into a C-shaped structure are respectively arranged at corresponding positions above the first ribs (7); and connecting chuck protection boxes are fixed at two ends of the wire slot main body.

2. The interlocking bus duct of claim 1, wherein: the connecting chuck protection box is composed of two L-shaped side plates (4) and two cover plates (8), the outer surface of each side plate (4) is provided with a third rib (3) which is vertically arranged and curled into a C-shaped structure, and a rectangular notch (13) is formed in the position, corresponding to the copper bar channel (11), on each side plate (4); two side plates (4) are fixed on the end surface of the trunking body through self-tapping screws matched with the first ribs (7) and the second ribs (12) respectively, and two cover plates (8) are fixed on the top and the bottom of the two side plates (4) through self-tapping screws matched with the third ribs (3) respectively.

3. The interlocking bus duct of claim 1, wherein: a sealing strip (15) is embedded between the outer buckle (10) and the inner buckle (9).

4. An interlocking bus duct according to any one of claims 1 to 3, wherein: the two outer walls of the groove body (6) are provided with a plurality of convex edges (14) distributed along the length direction.