Modular cable tray
Through innovative modular design and snap-fit structure, the instability and expansion problems of cable trays during installation have been solved, enabling rapid installation and multi-dimensional assembly, thus improving the installation efficiency and stability of cable trays.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANGZHONG SHENHUA ELECTRIC EQUIP CO LTD
- Filing Date
- 2025-07-09
- Publication Date
- 2026-06-12
AI Technical Summary
Existing cable trays are unstable during installation, difficult to position and expand, and pose a high risk of installation, lacking side expansion modules.
It adopts a modular design, including components such as a base frame, cover plate, cable tray, support brackets and limit plate. It can be quickly installed and expanded through snap-fit and adjustment structure, and seamless splicing is achieved by ball head buckle and ball socket buckle, combined with bolt fixation to ensure stability.
It improves installation efficiency and adaptability, simplifies the disassembly and assembly process, and enables rapid deployment and flexible multi-dimensional assembly of cable trays to meet the wiring needs of complex scenarios.
Smart Images

Figure CN224355769U_ABST
Abstract
Description
Technical Field
[0001] This utility model mainly relates to the technical field of cable trays, specifically a modular cable tray. Background Technology
[0002] Cable trays provide a stable support platform, suspending cables in the air to prevent them from contacting the ground or other surfaces. This helps protect cables from mechanical damage, moisture, or chemical corrosion. Cable trays also allow for efficient management of cable routing, ensuring neat arrangement and easy identification. This not only improves the efficiency of electrical systems but also simplifies maintenance and troubleshooting. However, existing cable trays are prone to instability during installation, are difficult to position and expand, and pose a high risk during installation.
[0003] According to application number 202420640277.X, a modular and splicable cable tray structure is provided, including a first cable tray and a second cable tray. A connecting strip is fixedly installed at the bottom of one end of the first cable tray near the second cable tray. A positioning strip is fixedly installed on one side of the connecting strip. Three positioning holes are evenly opened at the bottom of the positioning strip. Positioning rods are symmetrically fixedly installed on the side of the connecting strip near the positioning rods, and the connecting strip is located between two positioning rods. An adjustment positioning component is fixedly installed at the bottom of one end of the second cable tray near the first cable tray.
[0004] The aforementioned document improves the structure of cable trays, making them easier to splice during use and increasing installation efficiency. However, it lacks side expansion modules, preventing rapid installation and expansion of the side walls. Utility Model Content
[0005] Therefore, the purpose of this utility model is to provide a modular cable tray to solve the technical problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A modular cable tray includes a base frame, a cover plate snapped onto the top of the base frame, multiple sets of cable trays inside the base frame, first snap-fit components welded to the outer two sides of the base frame, supports and hangers mounted on the outside of the base frame, limit plates bolted to the side walls of the supports and hangers, and docking components at both ends of the base frame.
[0008] Preferably, the bottom of the base frame has multiple rows of first bolt holes, and the support frame has multiple rows of second bolt holes that are aligned with the first bolt holes.
[0009] Preferably, the bottom sides of the cover plate are bent with first curved edges, and the top sides of the bottom frame are bent with second curved edges that match the inner edges of the first curved edges.
[0010] Preferably, the top of the cable tray has multiple arc-shaped grooves, the sides of the cable tray have screw holes, and the sides of the bottom frame have multiple elliptical grooves corresponding to the screw holes.
[0011] Preferably, the first snap-fit component includes multiple first ball-head snaps welded to one side of the outer side of the bottom frame, and multiple first ball-socket snaps that snap into the first ball-head snaps welded to the other side of the outer side of the bottom frame.
[0012] Preferably, the limiting plate has multiple third bolt holes starting from the middle, and the support bracket side frame has a fourth bolt hole matching the third bolt holes. A second ball socket buckle is welded to one side of the limiting plate, and a second ball head buckle is welded to the other side of the limiting plate.
[0013] Preferably, the docking component includes concave grooves formed on both sides of one end of the bottom frame, and convex plates that dock with the concave grooves are welded to both sides of the other end of the bottom frame.
[0014] In summary, this technical solution has the following main advantages:
[0015] This utility model significantly improves installation efficiency and adaptability through its innovative snap-fit and adjustment design of modular cable tray. The device adopts a curved edge nested snap-fit structure, and the cover plate and bottom frame can be sealed and installed by hand, simplifying the disassembly and assembly process. The arc groove of the cable tray is combined with the adjustable screw hole design, and the height can be flexibly adjusted through the elliptical groove, which can accommodate the layered fixing of cables of different diameters, avoid cable tangling and optimize space utilization.
[0016] The device enables rapid deployment through a modular expansion system. The symmetrical design of the ball joint and ball socket clips supports seamless splicing in both the horizontal and vertical directions. Adjacent cable trays can be expanded simply by aligning and snapping them together. The combined installation structure of the support brackets and limiting plates provides adjustment margins and is reinforced with bolts to ensure overall stability. The plug-in design of the concave groove and convex plate further simplifies the length expansion process, forming a modular network that can be flexibly assembled in multiple dimensions to meet the customized cabling needs of complex scenarios. Attached Figure Description
[0017] Figure 1 This is an isometric view of the overall structure of this utility model under load;
[0018] Figure 2 This is a schematic diagram showing the disassembled main structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the frame structure of this utility model. Figure 1 ;
[0020] Figure 4 This is a schematic diagram of the frame structure of this utility model. Figure 2 .
[0021] Figure Descriptions: 10. Base frame; 11. Cover plate; 12. Cable tray; 13. First snap-fit component; 14. Support bracket; 15. Limiting plate; 16. Connecting component; 101. First bolt hole; 102. Second bolt hole; 111. First curved edge; 112. Second curved edge; 121. Arc groove; 122. Screw hole; 123. Elliptical groove; 131. First ball head latch; 132. First ball socket latch; 151. Third bolt hole; 152. Fourth bolt hole; 153. Second ball socket latch; 154. Second ball head latch; 161. Concave groove; 162. Convex plate. Detailed Implementation
[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0023] Example
[0024] Please refer to the attached document carefully. Figure 1 , 2 As shown, a modular cable tray includes a base frame 10, a cover plate 11 snapped onto the top of the base frame 10, multiple sets of cable trays 12 inside the base frame 10, first snap-fit components 13 welded to the outer sides of the base frame 10, supports 14 mounted on the outside of the base frame 10, limit plates 15 bolted to the side walls of the supports 14, and connecting components 16 at both ends of the base frame 10; the bottom sides of the cover plate 11 are bent with first curved edges 111, and the top sides of the base frame 10 are bent with second curved edges 112 matching the inner edges of the first curved edges 111; the top of the cable trays 12 has multiple arc-shaped grooves 121, screw holes 122 are opened on both sides of the cable trays 12, and the bottom frame 10 has multiple elliptical grooves 123 aligning with the screw holes 122 on both sides.
[0025] As described above, multiple cable trays 12 inside the base frame 10 are connected to both sides of the base frame 10 by passing T-bolts through screw holes 122 and elliptical grooves 123. The elliptical grooves 123 provide a certain height adjustment margin to accommodate cables of different thicknesses. The arc-shaped grooves 121 adopt a nylon pad design to fix the cables in layers. The first curved edge 111 on the cover plate 11 and the second curved edge 112 on the top of the base frame 10 are interlocked by interference fit and can be interlocked by pressing down by hand.
[0026] Please refer to the attached document carefully. Figure 1 , 2As shown in Figures 3 and 4, the first snap-fit component 13 includes multiple first ball-head snap fasteners 131 welded to one side of the outer side of the base frame 10, and multiple first ball-socket snap fasteners 132 that snap onto the first ball-head snap fasteners 131 welded to the other side of the outer side of the base frame 10; the limiting plate 15 has multiple third bolt holes 151 starting from the middle, and the support bracket 14 has fourth bolt holes 152 that match the third bolt holes 151 on its side frame; a second ball-socket snap fastener 153 is welded to one side of the limiting plate 15, and a second ball-head snap fastener 154 is welded to the other side of the limiting plate 15; the docking component 16 includes concave grooves 161 opened on both sides of one end of the base frame 10, and convex plates 162 that dock with the concave grooves 161 are welded to both sides of the other end of the base frame 10; the bottom of the base frame 10 has multiple rows of first bolt holes 101 starting from the bottom, and the support bracket 14 has multiple rows of second bolt holes 102 that align with the first bolt holes 101 on its base frame.
[0027] Before installing the cable tray, the support bracket 14 is first hoisted onto the roof. The limiting plate 15 is locked to the side walls of the support bracket 14 using double-headed bolts through the third bolt hole 151 and the fourth bolt hole 152. There is a certain distance between the limiting plate 15 and the side wall of the support bracket 14 to facilitate the locking space. One side of the limiting plate 15 has a second ball socket buckle 153, and the other side of the limiting plate 15 has a second ball head buckle 154. When installing the cable tray, the multiple first ball head buckles 131 on the outer side of the bottom frame 10 can be locked into the second ball socket buckles 153 on one side of the limiting plate 15, so that the side wall of the cable tray can be fastened to the support bracket 14, which facilitates subsequent installation. When expanding the cable tray, the first ball head buckle 131 on another base frame 10 can be engaged with the first ball socket buckle 132 on the previous base frame 10 to complete the connection. Then, the second ball head buckle 154 on the other side limiting plate 15 is engaged with the first ball socket buckle 132 on the base frame 10 to complete the connection installation on both sides. Adjacent cable tray modules can be quickly expanded through the connection component 16: after the convex plate 162 at one end is inserted into the concave groove 161 at the other end, the connection can be made to expand the length. After the connection of each modular structure of the cable tray is completed, the base frame 10 is aligned with the second bolt holes 102 of the support bracket 14 through the multiple rows of first bolt holes 101 at the bottom, and is fixed to the building structure with bolts at a predetermined interval.
[0028] The above embodiments are only for illustrating the technical concept of this utility model and should not be construed as limiting the scope of protection of this utility model. Any modifications made to the technical solution based on the technical concept proposed by this utility model shall fall within the scope of protection of this utility model.
Claims
1. A modular cable tray, comprising a base frame (10), wherein a cover plate (11) is snapped onto the top of the base frame (10), characterized in that, The bottom frame (10) is provided with multiple cable trays (12) inside. The bottom frame (10) is welded with first snap-fit components (13) on both sides outside. The bottom frame (10) is provided with a support bracket (14) outside. The support bracket (14) is bolted to the side wall of the support bracket (14) and the bottom frame (10) is provided with a docking component (16).
2. A modular cable tray according to claim 1, characterized in that, The bottom frame (10) has multiple rows of first bolt holes (101) starting from the bottom, and the support bracket (14) has multiple rows of second bolt holes (102) on its base frame that correspond to the first bolt holes (101).
3. A modular cable tray according to claim 1, characterized in that, The cover plate (11) has a first curved edge (111) bent on both sides of the bottom, and the bottom frame (10) has a second curved edge (112) bent on both sides of the top, matching the inner edge of the first curved edge (111).
4. A modular cable tray according to claim 1, characterized in that, The cable tray (12) has multiple arc-shaped grooves (121) starting from the top, and screw holes (122) are provided on both sides of the cable tray (12). The bottom frame (10) has multiple elliptical grooves (123) on both sides corresponding to the screw holes (122).
5. A modular cable tray according to claim 1, characterized in that, The first snap-fit component (13) includes multiple first ball head snaps (131) welded to one side of the outer side of the bottom frame (10), and multiple first ball socket snaps (132) that snap onto the first ball head snaps (131) welded to the other side of the outer side of the bottom frame (10).
6. A modular cable tray according to claim 1, characterized in that, The limiting plate (15) has multiple third bolt holes (151) starting from the middle. The side frame of the support bracket (14) is provided with a fourth bolt hole (152) matching the third bolt holes (151). A second ball socket buckle (153) is welded on one side of the limiting plate (15), and a second ball head buckle (154) is welded on the other side of the limiting plate (15).
7. A modular cable tray according to claim 1, characterized in that, The docking component (16) includes concave grooves (161) formed on both sides of one end of the bottom frame (10), and convex plates (162) that dock with the concave grooves (161) are welded to both sides of the other end of the bottom frame (10).