Broadcasting trunking fixing device

By designing a fixing mechanism consisting of a fixed groove, mounting rail, positioning hole, positioning pin, and telescopic spring, as well as an installation mechanism consisting of a pole, fixing hole, mounting groove, movable block, and fixing pin, the problem of cumbersome fixing methods in traditional broadcast cable trays is solved, enabling convenient installation and disassembly of the cable trays and reducing the difficulty of construction and maintenance.

CN224264639UActive Publication Date: 2026-05-19SHANGHAI SHENHONG YONGAN TECHNOLOGY DEVELOPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI SHENHONG YONGAN TECHNOLOGY DEVELOPMENT CO LTD
Filing Date
2025-06-12
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Traditional methods of fixing broadcast cable trays are cumbersome to operate and lack detachable fixing mechanisms, resulting in difficult construction, high maintenance costs, and easy damage to the cable trays and building structures.

Method used

A fixing mechanism including a fixing groove, mounting rail, positioning hole, positioning pin and telescopic spring, and an installation mechanism including a pole, fixing hole, mounting groove, movable block and fixing pin are designed to realize convenient disassembly and installation of the cable tray.

Benefits of technology

It enables convenient fixing and disassembly of broadcast cable trays, reduces construction difficulty and maintenance costs, and improves the practicality and versatility of cable trays.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a broadcast trunking fixing device, and relates to the trunking fixing technical field, the broadcast trunking fixing device comprises a top plate, a mounting mechanism is arranged above the top plate, a side plate is arranged below the top plate, a mounting rack is arranged below the inner side of the side plate, and a positioning pin is arranged in a mounting cavity in a penetrating manner. One end of the positioning pin extends into the positioning hole, a telescopic spring is arranged on the outer side wall of the positioning pin, and the telescopic spring is mounted in the mounting cavity; the fixing mechanisms are arranged on the outer sides of the side plates, and the fixing grooves, the mounting rails, the positioning holes, the mounting cavities, the positioning pins and the telescopic springs of the fixing mechanisms are matched with one another, so that the mounting frame can be conveniently dismounted and mounted, and the trunking main body can be conveniently fixed and dismounted; and later maintenance, line expansion or position adjustment of the trunking main body are more convenient and faster, so that the practicability of the device in use is greatly improved.
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Description

Technical Field

[0001] This utility model relates to the field of cable tray fixing technology, and in particular to a cable tray fixing device for broadcasting. Background Technology

[0002] Broadcast cable trays are specialized cable trays used for laying transmission lines (such as audio cables and signal cables) in broadcast systems. They are mostly made of metal or PVC and have a closed or semi-closed structure. Their main function is to protect the lines from mechanical damage and electromagnetic interference, while also facilitating neat cable arrangement and later maintenance. They are commonly found in broadcast systems installed in public places such as shopping malls, schools, office buildings, and hotels. They are generally laid along walls, ceilings, or floors and connected to the building structure using fasteners. Some cable trays are designed with removable covers for easy cable threading and maintenance, combining practicality and aesthetics, making them an important component in broadcast system cabling projects.

[0003] Currently, traditional broadcast cable trays are generally fixed to building structures such as walls and ceilings using expansion bolts and chemical anchors. This type of fixing not only requires tedious operations such as drilling and installing bolts, which is time-consuming and labor-intensive, but also requires high technical skills from construction personnel. Furthermore, during later maintenance, line expansion, or location adjustment, the lack of a detachable fixing mechanism often requires damaging the original fixing points during disassembly, resulting in damage to the cable tray and building structure. This makes it difficult to achieve convenient disassembly and reuse, increasing construction costs and maintenance difficulty. Therefore, this utility model proposes a broadcast cable tray fixing device to solve the above problems. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes a broadcast cable tray fixing device, which solves the problems of cumbersome operation and lack of detachable fixing mechanism in the existing technology, which makes installation and subsequent maintenance inconvenient.

[0005] To achieve the purpose of this utility model, the utility model is implemented through the following technical solution: a broadcast cable trough fixing device, including a top plate, an installation mechanism is provided above the top plate, a side plate is installed below the top plate, an installation frame is installed below the inner side of the side plate, a fixing mechanism is provided on the outer side of the side plate, and a cable trough body is provided on the inner side of the installation frame;

[0006] The fixing mechanism includes a fixing groove, a mounting rail, a positioning hole, a mounting cavity, a positioning pin, and a telescopic spring. The fixing groove is formed inside the side plate. The mounting rail is installed on the outside of the mounting frame and is located inside the fixing groove. The mounting rail has a positioning hole inside. A mounting cavity is installed on the lower side of one side of the side plate. A positioning pin is inserted through the mounting cavity. One end of the positioning pin extends into the positioning hole. A telescopic spring is provided on the outer wall of the positioning pin and is installed inside the mounting cavity.

[0007] A further improvement is that the cross-section of the positioning hole is larger than the cross-section of the positioning pin, and the positioning hole and the positioning pin form an engaging structure.

[0008] A further improvement is that multiple positioning holes are provided on one side of the mounting rail, and the multiple positioning holes are distributed at equal intervals inside the mounting rail.

[0009] A further improvement is made in that: the installation mechanism includes a pole, a fixing hole, a mounting groove, a movable block, a connecting rod, a movable hole, and a fixing pin. The pole is installed on the top of the top plate. Fixing holes are opened through both ends of the pole. A mounting groove is opened on the inner side of the pole. A movable block is set inside the mounting groove. A connecting rod is installed on the inner side of the movable block. A movable hole is opened at one end of the movable hole. The fixing pin is set between the fixing hole and the movable hole.

[0010] A further improvement is that the cross-section of the mounting groove is larger than the cross-section of the movable block, and the mounting groove and the movable block form a sliding structure.

[0011] A further improvement is that mounting holes are provided through the four corners of the top plate, and mounting pins are provided inside the mounting holes.

[0012] The beneficial effects of this utility model are as follows: By providing a fixing mechanism on the outer side of the side plate, and utilizing the mutual cooperation between the fixing groove, mounting rail, positioning hole, mounting cavity, positioning pin, and telescopic spring of the fixing mechanism, the mounting frame can be easily disassembled and installed, thereby facilitating the fixing and disassembly of the cable tray body. This makes subsequent maintenance, line expansion, or position adjustment of the cable tray body more convenient and faster, thus greatly improving the practicality of the device in use. By providing an installation mechanism at the top of the top plate, and utilizing the mutual cooperation between the mounting hole, mounting pin, upright, fixing hole, mounting groove, movable block, connecting rod, movable hole, and fixing pin of the installation mechanism, the device can be fixed to the ceiling by the cooperation of the mounting hole and the mounting pin, and the device can be fixed to the building keel by the cooperation of the upright and the connecting rod, making the installation of the device more convenient and faster, thus greatly improving the versatility of the device in use. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the overall structure of the fixing mechanism of this utility model;

[0015] Figure 3 This is a cross-sectional structural diagram of the fixing mechanism of this utility model;

[0016] Figure 4This is a schematic diagram of the overall structure of the installation mechanism of this utility model.

[0017] The components are: 1. Top plate; 2. Side plate; 3. Mounting bracket; 4. Fixing groove; 5. Mounting rail; 6. Positioning hole; 7. Mounting cavity; 8. Positioning pin; 9. Telescopic spring; 10. Mounting hole; 11. Mounting pin; 12. Upright pole; 13. Fixing hole; 14. Mounting groove; 15. Movable block; 16. Connecting rod; 17. Movable hole; 18. Fixing pin; 19. Main body of the cable tray. Detailed Implementation

[0018] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.

[0019] according to Figure 1 , 2 As shown in Figures 3 and 4, this embodiment proposes a broadcast cable tray fixing device, including a top plate 1. An installation mechanism is provided above the top plate 1, and a side plate 2 is installed below the top plate 1. An installation frame 3 is installed on the lower inner side of the side plate 2, and a fixing mechanism is provided on the outer side of the side plate 2. The cable tray body 19 is provided on the inner side of the installation frame 3. When the cable tray body 19 is installed in an exposed manner, it needs to be coated with fire-retardant paint, such as solvent-based steel structure fire-retardant paint. It is based on organic resin, dries quickly, has strong adhesion, and is suitable for metal surfaces. When it passes through different fire compartments or floors, the exposed parts after sealing also need to be fireproofed. Fireproof putty, fireproof boards, etc. can be used to fireproof the exposed parts. Exposed metal ports, such as cut edges, need to be recoated with fire-retardant paint. In addition to sealing materials, the gap between the cable tray and the wall needs to be sealed with fire-retardant sealant such as silicone fire-retardant adhesive with a fire resistance limit of ≥3 hours.

[0020] The fixing mechanism includes a fixing groove 4, a mounting rail 5, a positioning hole 6, a mounting cavity 7, a positioning pin 8, and a telescopic spring 9. The fixing groove 4 is formed inside the side plate 2. The mounting rail 5 is installed on the outside of the mounting frame 3 and is located inside the fixing groove 4. The mounting rail 5 has a positioning hole 6 inside it. A mounting cavity 7 is installed on the lower side of one side of the side plate 2. A positioning pin 8 is inserted through the mounting cavity 7, with one end of the positioning pin 8 extending into the positioning hole 6. A telescopic spring 9 is provided on the outer wall of the positioning pin 8 and is installed inside the mounting cavity 7. The cross-section of the positioning hole 6 is larger than the cross-section of the positioning pin 8. The positioning hole 6 and the positioning pin 8 form an engaging structure. Multiple positioning holes 6 are formed on one side of the mounting rail 5 and are evenly distributed inside the mounting rail 5. In use, the broadcast... The cable tray is placed inside the mounting bracket 3. Pulling the positioning pin 8 backward, the mounting bracket 3 is placed inside the side plate 2 using the cooperation of the fixing slot 4 and the mounting rail 5. According to the size of the broadcast cable tray, the mounting bracket 3 is moved to an appropriate position. Then, the positioning pin 8 is released. At this time, the telescopic spring 9 is subjected to elastic force, which drives the positioning pin 8 to extend, so that the positioning pin 8 and the positioning hole 6 are engaged with each other, thus fixing the position of the mounting bracket 3. When the line needs to be inspected, the positioning pin 8 is pulled backward, so that the positioning pin 8 is disengaged from the positioning hole 6. At this time, with the cooperation of the fixing slot 4 and the mounting rail 5, the mounting bracket 3 can be removed from the inside of the side plate 2, and the broadcast cable tray can be removed for inspection. The main body 19 of the cable tray can be conveniently fixed and disassembled, making the subsequent inspection, line expansion or position adjustment of the main body 19 of the cable tray more convenient and faster, thereby greatly improving the practicality of the device in use.

[0021] The installation mechanism includes a vertical pole 12, a fixing hole 13, a mounting groove 14, a movable block 15, a connecting rod 16, a movable hole 17, and a fixing pin 18. The vertical pole 12 is installed on the top of the top plate 1. The fixing holes 13 are formed through both ends of the vertical pole 12. The mounting groove 14 is formed on the inner side of the vertical pole 12. The movable block 15 is arranged inside the mounting groove 14. The connecting rod 16 is installed on the inner side of the movable block 15. The movable hole 17 is formed at one end. The fixing pin 18 is disposed between the fixing hole 13 and the movable hole 17. The cross-section of the mounting groove 14 is larger than the cross-section of the movable block 15. The sliding structure is formed between the 4 and the movable block 15. In use, the upright 12 is fixed above the top plate 1 with bolts. Then, the two uprights 12 are inserted into the outside of the building keel. The movable block 15 and the connecting rod 16 are placed into the inside of the mounting groove 14 from above the building keel. The connecting rod 16 is adjusted to the appropriate position by the mutual cooperation between the mounting groove 14 and the movable block 15. Finally, the fixing pin 18 is inserted into the inside of the fixing hole 13 and the movable hole 17 to fix the position of the top plate 1. The device is fixedly installed on the building keel, making the installation of the device more convenient and quick, thereby greatly improving the versatility of the device in use.

[0022] The top plate 1 has mounting holes 10 through the four corners. The mounting holes 10 are equipped with mounting pins 11. When in use, the top plate 1 is placed in a suitable position on the ceiling and fixed with the mounting pins 11, so that the device can be installed in a variety of ways.

[0023] Working principle: First, place the top plate 1 in a suitable position on the ceiling and fix it with the mounting pin 11. When it is necessary to fix the device to the building keel, use bolts to fix the uprights 12 above the top plate 1. Then, insert the two uprights 12 into the outside of the building keel. Place the movable block 15 and the connecting rod 16 into the inside of the mounting groove 14 from above the building keel. Use the cooperation between the mounting groove 14 and the movable block 15 to adjust the connecting rod 16 to the appropriate position. Finally, insert the fixing pin 18 into the fixing hole 13 and the movable hole 17 to fix the position of the top plate 1. Then, place the broadcast cable tray on the mounting frame 3. Pull the positioning pin 8 backward from the inside of the side plate 2. Using the cooperation of the fixing groove 4 and the mounting rail 5, place the mounting bracket 3 into the inside of the side plate 2. According to the size of the broadcast cable tray, move the mounting bracket 3 to the appropriate position, and then release the positioning pin 8. At this time, the telescopic spring 9 is subjected to the elastic force, which drives the positioning pin 8 to extend, so that the positioning pin 8 and the positioning hole 6 are engaged with each other, thus fixing the position of the mounting bracket 3. When it is necessary to inspect the line, pull the positioning pin 8 backward to disengage the positioning pin 8 from the positioning hole 6. At this time, with the cooperation of the fixing groove 4 and the mounting rail 5, the mounting bracket 3 can be removed from the inside of the side plate 2, and the broadcast cable tray can be removed for inspection.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A broadcast cable tray fixing device, including a top plate (1), characterized in that: An installation mechanism is provided above the top plate (1), a side plate (2) is installed below the top plate (1), an installation frame (3) is installed below the inner side of the side plate (2), a fixing mechanism is provided on the outer side of the side plate (2), and a wire trough body (19) is provided on the inner side of the installation frame (3). The fixing mechanism includes a fixing groove (4), a mounting rail (5), a positioning hole (6), a mounting cavity (7), a positioning pin (8), and a telescopic spring (9). The fixing groove (4) is opened inside the side plate (2). The mounting rail (5) is installed on the outside of the mounting frame (3). The mounting rail (5) is set inside the fixing groove (4). The mounting rail (5) has a positioning hole (6) inside. The mounting cavity (7) is installed on the lower side of one side of the side plate (2). The positioning pin (8) is installed through the inside of the mounting cavity (7). One end of the positioning pin (8) extends into the inside of the positioning hole (6). The outer wall of the positioning pin (8) is provided with a telescopic spring (9). The telescopic spring (9) is installed inside the mounting cavity (7).

2. The broadcast cable tray fixing device according to claim 1, characterized in that: The cross-section of the positioning hole (6) is larger than the cross-section of the positioning pin (8), and the positioning hole (6) and the positioning pin (8) form an engaging structure.

3. The broadcast cable tray fixing device according to claim 2, characterized in that: The positioning holes (6) are provided on one side of the mounting rail (5), and the positioning holes (6) are distributed at equal intervals inside the mounting rail (5).

4. The broadcast cable tray fixing device according to claim 1, characterized in that: The installation mechanism includes a pole (12), a fixing hole (13), a mounting groove (14), a movable block (15), a connecting rod (16), a movable hole (17), and a fixing pin (18). The pole (12) is installed on the top of the top plate (1). The two ends of the pole (12) are provided with fixing holes (13). The inner side of the pole (12) is provided with a mounting groove (14). The movable block (15) is provided inside the mounting groove (14). The connecting rod (16) is installed inside the movable block (15). One end of the movable hole (17) is provided with a movable hole (17). The fixing pin (18) is provided between the fixing hole (13) and the movable hole (17).

5. The broadcast cable tray fixing device according to claim 4, characterized in that: The cross-section of the mounting groove (14) is larger than the cross-section of the movable block (15), and the mounting groove (14) and the movable block (15) form a sliding structure.

6. The broadcast cable tray fixing device according to claim 5, characterized in that: Mounting holes (10) are provided at the four corners of the top plate (1), and mounting pins (11) are provided inside the mounting holes (10).