Cable tray connectors and cable tray assemblies

Abstract

This utility model relates to a cable tray connector and a cable tray assembly. The cable tray connector includes a horizontal connecting section, an arc transition section, and a vertical connecting section connected in sequence. The two ends of the arc transition section are tangent to the horizontal and vertical connecting sections, respectively. Each of the horizontal, arc transition, and vertical connecting sections includes a groove with a concave cross-section and a cover plate detachably installed on the groove. A detachable connection structure is provided at the end of each horizontal and vertical connecting section away from the arc transition section. In this cable tray connector, the horizontal and vertical connecting sections are connected by a quarter-circular arc transition section. When cables pass through the cable tray connector, the bending amplitude is smaller, reducing the risk of mechanical damage. Furthermore, the inner wall of the arc transition section has a smooth transition and no right angles or sharp corners, preventing damage to the cables.

Description

Technical Field

[0001] This utility model belongs to the field of wiring equipment, and in particular to a wire trough connector and wire trough assembly. Background Technology

[0002] Electrical cabinets typically use cable trays to organize various cables, categorizing and preventing clutter and reducing safety hazards. They also provide mechanical protection (such as pressure and cut protection) and electrical isolation (such as separation of strong and weak current) to prevent short circuits or external interference. When there are many components inside the cabinet (such as PLC cabinets and frequency converter cabinets), and cables need to converge from multiple directions (top, side, bottom), horizontal and vertical cable trays are usually installed inside the electrical cabinet. For example, one electrical cabinet might have horizontal cable trays at the top, connecting the power input and main circuit breaker, while vertical cable trays are positioned vertically at the ends of the horizontal cable trays, distributing power to lower-level contactors and relays. Currently, horizontal and vertical cable trays are often connected by L-shaped right-angle bends. The cables inside these bends undergo significant bending and deformation, increasing the risk of mechanical damage. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a cable tray connector and cable tray assembly that can reduce the deformation range of cables.

[0004] To solve the above problems, the technical solution adopted by this utility model is: a wire trough connector, comprising a horizontal connecting section, an arc transition section and a vertical connecting section connected in sequence, wherein the two ends of the arc transition section are tangent to the horizontal connecting section and the vertical connecting section respectively;

[0005] The horizontal connecting section, the arc transition section, and the vertical connecting section all include a groove with a concave cross-section and a cover plate that can be detachably installed in the groove.

[0006] Both the horizontal and vertical connecting sections are equipped with detachable connecting structures at the ends furthest from the arc transition section.

[0007] Furthermore, an elastic pad is provided on the inner side wall of the groove of the arc transition section.

[0008] Furthermore, the detachable connection structure includes a slot or plug block disposed on the end face of the groove, the slot or plug block penetrating the groove along the depth direction of the groove.

[0009] Furthermore, the slot or plug block has a dovetail-shaped cross-section.

[0010] Furthermore, a limiting groove is provided at the top of the groove, and a positioning boss is provided on the side of the cover plate facing the groove. The positioning boss is inserted into the limiting groove, and the cover plate is connected to the groove by screws.

[0011] Furthermore, a connecting plate is provided on the top outer wall of the tank, and the cover plate is connected to the connecting plate by screws.

[0012] Furthermore, the horizontal or vertical connecting segment is provided with an extension segment.

[0013] A grooving assembly, comprising a horizontal grooving and a vertical straight grooving, characterized in that: the horizontal grooving and the vertical straight grooving are connected by the aforementioned grooving connector.

[0014] Furthermore, the vertical straight groove is connected to a horizontal branch groove via a groove connector.

[0015] The beneficial effects of this utility model are: the horizontal and vertical connecting sections of the cable tray connector are connected by a 1 / 4 circular arc transition section, which reduces the bending amplitude of the cable when it passes through the cable tray connector, thus reducing the risk of mechanical damage; in addition, the inner wall of the arc transition section is smoothly transitioned and there are no right angles or sharp corners, so it will not cause damage to the cable. Attached Figure Description

[0016] Figure 1 This is a front view schematic diagram of the wire groove connector in Embodiment 1;

[0017] Figure 2 yes Figure 1 Schematic diagram of the AA section;

[0018] Figure 3 yes Figure 1 Schematic diagram of the BB section;

[0019] Figure 4 This is a schematic diagram of the end of the tank;

[0020] Figure 5 This is a front view schematic diagram of the wire groove connector in Embodiment 2;

[0021] Figure 6 This is a front view schematic diagram of the cable tray assembly in Embodiment 3;

[0022] Figure 7 yes Figure 6 An enlarged schematic diagram of section C;

[0023] Figure 8 This is a front view schematic diagram of the cable tray assembly in Embodiment 4;

[0024] Reference numerals: 1—Horizontal connecting section; 2—Arc transition section; 3—Vertical connecting section; 4—Extension section; 11—Trench body; 12—Cover plate; 13—Detachable connecting structure; 14—Elastic pad; 15—Limiting groove; 16—Positioning boss; 17—Screw; 18—Connecting plate; 100—Trench connector; 200—Horizontal trough; 300—Vertical straight groove; 400—Horizontal branch groove. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0026] Example 1

[0027] The wire groove connector in this embodiment, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the structure includes a horizontal connecting section 1, an arc transition section 2, and a vertical connecting section 3 connected in sequence. These three sections can be integrally formed, specifically by aluminum alloy casting. The two ends of the arc transition section 2 are tangent to the horizontal connecting section 1 and the vertical connecting section 3, respectively, meaning the arc transition section 2 is a quarter circle, ensuring smooth bending of the internal cables.

[0028] The horizontal connecting section 1, the arc transition section 2, and the vertical connecting section 3 all include a groove 11 with a U-shaped cross-section and a cover plate 12 that can be detachably installed on the groove 11. The cable is laid in the groove 11, and after the laying is completed, the cover plate 12 is closed.

[0029] Both the horizontal connecting section 1 and the vertical connecting section 3 have a detachable connecting structure 13 at the end furthest from the arc transition section 2. The horizontal connecting section 1 can be connected to the horizontal groove through the detachable connecting structure 13, and the vertical connecting section 3 can be connected to the vertical groove through the detachable connecting structure 13, thereby connecting the horizontal groove and the vertical groove.

[0030] The cable tray connector of this utility model uses a 1 / 4 circular arc transition section 2 for transition. The cable within the arc transition section 2 can bend smoothly, preventing excessive local bending of the cable and reducing the risk of mechanical damage. When laying cables, it is necessary to pull the cable a short distance. When the cable moves, it slides against the inner wall of the connector. Since the inner wall of the arc transition section 2 is smooth and has no right angles or sharp corners, friction can be reduced, preventing the cable from being scratched or abraded.

[0031] To further protect the cable, an elastic pad 14 is provided on the inner wall of the groove 11 of the arc transition section 2. The elastic pad 14 can be made of conventional elastic materials such as rubber or sponge, which can prevent the cable from directly contacting the inner wall of the groove 11 and further reduce the risk of cable surface damage when the cable is pulled.

[0032] The detachable connection structure 13 is used to connect horizontal or vertical cable trays. Various commonly used connection structures such as bolts and pins can be used. For ease of assembly and disassembly, the detachable connection structure 13 includes a slot or plug-in block disposed on the end face of the tray body 11. The slot or plug-in block penetrates the tray body 11 along its depth direction. Correspondingly, plug-in blocks that mate with slots, or slots that mate with plug-in blocks, are provided on the end faces of the horizontal and vertical cable trays. During installation, the horizontal and vertical cable trays are installed first, and then both ends of the cable tray connector are plugged into the horizontal and vertical cable trays. The operation is relatively convenient. To improve the installation stability of the cable tray connector, the tray body can also be fixed to the electrical cabinet housing using bolts or similar means.

[0033] In this invention, the slot or plug block has a dovetail-shaped cross-section, which improves connection stability.

[0034] The cover plate 12 covers the opening of the groove 11, serving to prevent dust and water ingress. To improve the dust and water resistance, a limiting groove 15 is provided at the top of the groove 11. The limiting groove 15 is rectangular, and a positioning boss 16 is provided on the side of the cover plate 12 facing the groove 11. The positioning boss 16 is inserted into the limiting groove 15, and the cover plate 12 is connected to the groove 11 by screws 17. After the positioning boss 16 is engaged in the limiting groove 15, it provides a higher dust prevention effect and improves the stability of the cover plate 12 installation.

[0035] Since the wall thickness of the tank 11 is small, a connecting plate 18 is provided on the top outer wall of the tank 11 to facilitate the connection of the cover plate 12. The connecting plate 18 can be integrally formed with the tank 11, and the cover plate 12 is connected to the connecting plate 18 by screws 17.

[0036] Example 2

[0037] The wire groove connector in this embodiment, such as Figure 5 As shown, this includes all the structures of Embodiment 1, and an extension section 4 is provided at one end of the horizontal connecting segment 1 or the vertical connecting segment 3 connecting to the arc transition segment 2. The extension section 4 of the horizontal connecting segment 1 is linearly distributed with the horizontal connecting segment 1, and the extension section 4 of the vertical connecting segment 3 is linearly distributed with the vertical connecting segment 3. The horizontal connecting segment 1 and its extension section 4 can be connected to the horizontal groove simultaneously, and the vertical connecting segment 3 and its extension section 4 can be connected to the vertical groove simultaneously.

[0038] Example 1 is applicable to the connection of horizontal and vertical grooves that are distributed in an L-shape. When the horizontal and vertical grooves are distributed in a T-shape, the groove connector of this example can be used.

[0039] Example 3

[0040] The cable tray assembly in this embodiment, such as Figure 6 and Figure 7As shown, it includes a horizontal cable tray 200 and a vertical cable tray 300. The horizontal cable tray 200 is horizontally installed inside the electrical cabinet, and the vertical cable tray 300 is vertically installed inside the electrical cabinet. The horizontal cable tray 200 and the vertical cable tray 300 are connected by a cable tray connector 100 according to Embodiment 1.

[0041] The horizontal groove 200, the vertical groove 300, the horizontal connecting section 1, and the vertical connecting section 3 have the same cross-sectional structure. The end of the horizontal connecting section 1 is engaged with the horizontal groove 200, and the end of the vertical connecting section 3 is engaged with the vertical groove 300. Figure 7 As shown.

[0042] In this embodiment, the horizontal groove 200 and the vertical groove 300 are arranged in an L-shape, which is suitable for smaller electrical cabinets.

[0043] Example 4

[0044] The cable tray assembly in this embodiment, such as Figure 8 As shown, it includes a horizontal line groove 200, a vertical line groove 300, and multiple horizontal branch line grooves 400. The horizontal line groove 200 and the vertical line groove 300 are connected by the line groove connector 100 in Embodiment 1. The vertical line groove 300 and the horizontal branch line groove 400 located in the middle are connected by the line groove connector 100 in Embodiment 2. The vertical line groove 300 and the horizontal branch line groove 400 located at the bottom are connected by the line groove connector 100 in Embodiment 1.

[0045] This embodiment is applicable to electrical cabinets with large volume and many internal components. Multiple rows of components are installed inside the electrical cabinet from top to bottom. The horizontal cable tray 200 is used to lay the power supply line and the main circuit breaker cable. The vertical cable tray 300 and each horizontal branch cable tray 400 further distribute the power to the contactors, relays and other components on each layer.

[0046] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A cable tray connector, characterized in that: It includes a horizontal connecting segment (1), an arc transition segment (2) and a vertical connecting segment (3) connected in sequence, with the two ends of the arc transition segment (2) being tangent to the horizontal connecting segment (1) and the vertical connecting segment (3) respectively; The horizontal connecting section (1), the arc transition section (2) and the vertical connecting section (3) all include a groove (11) with a concave cross-section and a cover plate (12) that can be detachably installed on the groove (11); Both the horizontal connecting section (1) and the vertical connecting section (3) are provided with a detachable connecting structure (13) at the end away from the arc transition section (2).

2. The wire groove connector as described in claim 1, characterized in that: An elastic pad (14) is provided on the inner wall of the groove (11) of the arc transition section (2).

3. The wire groove connector as described in claim 1, characterized in that: The detachable connection structure (13) includes a slot or plug block disposed on the end face of the groove (11), the slot or plug block penetrating the groove (11) along the depth direction of the groove (11).

4. The wire groove connector as described in claim 3, characterized in that: The slot or plug block has a dovetail-shaped cross-section.

5. The wire groove connector as described in claim 1, characterized in that: The top of the groove (11) is provided with a limiting groove (15), and the side of the cover plate (12) facing the groove (11) is provided with a positioning boss (16). The positioning boss (16) is inserted into the limiting groove (15), and the cover plate (12) is connected to the groove (11) by screws (17).

6. The cable tray connector as described in claim 5, characterized in that: The top outer wall of the trough (11) is provided with a connecting plate (18), and the cover plate (12) is connected to the connecting plate (18) by screws (17).

7. The wire groove connector as described in claim 1, characterized in that: The horizontal connecting section (1) or the vertical connecting section (3) is provided with an extension section (4).

8. A trough assembly, comprising a horizontal trough (200) and a vertical straight trough (300), characterized in that: The horizontal groove (200) and the vertical groove (300) are connected by the groove connector (100) as described in claim 1.

9. The cable tray assembly as described in claim 8, characterized in that: The vertical straight groove (300) is connected to the horizontal branch groove (400) through the groove connector (100).

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