Plug-in stage truss

By introducing a connection mechanism of sliding columns, compression blocks, and fixing components into the stage truss, the problems of low assembly and disassembly efficiency and insufficient structural strength of existing plug-in stage trusses are solved, achieving rapid assembly and disassembly and stable connection.

CN224413261UActive Publication Date: 2026-06-26CHANGSHA KEREDE STAGE TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGSHA KEREDE STAGE TECHNOLOGY CO LTD
Filing Date
2025-08-01
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing plug-in stage trusses require multiple screws to rotate during assembly and disassembly, resulting in low assembly and disassembly efficiency and insufficient structural strength.

Method used

The system employs a connecting mechanism, including a sliding column, a pressing block, a spring, a fixing component, and a connecting component. By rotating the fixing bolts, the connecting frame and three straight rods are connected in an equilateral triangle. Combined with the insertion of slots and connecting pieces, this enables quick assembly and disassembly, thereby improving structural strength.

Benefits of technology

It improves the efficiency of stage truss assembly and disassembly and structural strength, enabling rapid assembly and disassembly and stable connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plug -in stage truss, including straight pole, three straight poles have and show equilateral triangle distribution, be equipped with the connecting frame between three straight poles, the inside of connecting frame all is seted up with the installation slot, still include connecting mechanism, connecting mechanism: it includes slide post, extruding piece, spring, jack, fixed assembly and connecting assembly, the inside of installation slot is all slidingly connected in slide post, the inside intermediate of installation slot is rotatably connected in extruding piece, the inner side end of slide post all is combined with the outer edge of extruding piece, the outer surface middle part of slide post and the inner wall of installation slot all are equipped with spring, and spring all is covered and is equipped with in the outer surface of slide post, this plug -in stage truss is equipped with connecting mechanism, and through the fixed bolt of rotation can make connecting frame simultaneously with three straight poles show equilateral triangle and be connected, and cooperate the plug -in of insertion slot and connecting piece and the connection of connecting sleeve and can quickly dismouting stage truss, has improved the dismouting efficiency and structural strength of stage truss.
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Description

Technical Field

[0001] This utility model relates to the field of stage truss technology, specifically a plug-in stage truss. Background Technology

[0002] A stage truss is a metal frame structure used to construct temporary stages or performance venues. It is typically made of aluminum alloy or steel and features modularity, lightweight construction, and high load-bearing capacity. It is quickly assembled using standardized connectors and can be flexibly adjusted in shape and height, providing stable support for lighting, sound, and scenery equipment. Widely used in concerts, exhibitions, celebrations, and other events, it forms the basic framework of stage engineering. In existing technology, patent CN 216340439 U discloses a plug-in stage truss, including: a main column with internal limiting holes, a connecting component on its outer surface, and an installation hole at its outer end; a support component on the left side of the main column; a connecting plate on the right side of the main column, with a connecting hole at its outer end and a positioning hole inside for easy plug-in installation; a second screw installed outside the positioning hole; and a connecting component consisting of a connecting column, an inclined tube, and a first screw. This plug-in stage truss... The main columns are arranged in a triangular pattern by the nesting of connecting columns and main columns. The connecting columns are fixed to the main columns by the first screw, which realizes the assembly of the truss and facilitates its movement and transportation. At the same time, the truss is stably connected by the plugging and fitting of the fixing columns and mounting blocks. The above plug-in stage truss has screws at each connection point, which requires multiple fixing columns and rotating multiple screws to disassemble and assemble the truss. It only considers the disassembly and assembly of the truss to facilitate its movement and transportation, but ignores the convenience and practicality of the truss disassembly and assembly. Therefore, we propose a plug-in stage truss. Utility Model Content

[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a plug-in stage truss with a connecting mechanism. By rotating the fixing bolts, the connecting frame can be connected to three straight rods in an equilateral triangle at the same time. With the plugging of slots and connecting pieces and the connection of connecting sleeves, the stage truss can be quickly assembled and disassembled, which improves the assembly and disassembly efficiency and structural strength of the stage truss and can effectively solve the problems in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a plug-in stage truss, including three straight rods arranged in an equilateral triangle, with a connecting frame between each of the three straight rods, and each connecting frame having an installation groove inside, and also including a connecting mechanism;

[0005] The connecting mechanism includes sliding columns, pressing blocks, springs, insertion holes, fixing components, and connecting components. The sliding columns are slidably connected inside the mounting groove, and the pressing blocks are rotatably connected to the center of the mounting groove. The inner ends of the sliding columns are all in contact with the outer edges of the pressing blocks. Springs are provided between the center of the outer surface of the sliding columns and the inner wall of the mounting groove, and the springs are all sleeved on the outer surface of the sliding columns. The insertion holes are all located on the outer surface of the straight rods near the center of the connecting frame. The side of the sliding column away from the center of the connecting frame is inserted into the inner wall of the vertically adjacent insertion hole, providing a basis for the rapid retraction and extension of the sliding columns. The fixing components are located in the center of the mounting groove, and the connecting components are located at the upper and lower ends inside the straight rods, respectively. A connecting mechanism is provided, allowing the connecting frame to be simultaneously connected to the three straight rods in an equilateral triangle shape by rotating the fixing bolts. Combined with the insertion of slots and connecting pieces, and the connection of connecting sleeves, the stage truss can be quickly assembled and disassembled, improving the assembly and disassembly efficiency and structural strength of the stage truss.

[0006] Furthermore, the fixing component includes a fixing bolt, a limiting groove, and a limiting protrusion. The fixing bolt is inserted into the middle of the inside of the connecting frame. The limiting groove is opened on the front side of the outer surface of the fixing bolt. The limiting protrusion is set on the front side of the inner wall of the extrusion block. The outer surface of the limiting protrusion is inserted into the inner wall of the limiting groove. The limiting protrusion is vertically adjacent to the tip of the front side of the extrusion block, providing a basis for the rotation of the extrusion block.

[0007] Furthermore, the fixing component also includes a fixing nut and a groove. The fixing nut is threaded to the lower end of the outer surface of the fixing bolt, and the groove is opened in the middle of the upper end of the connecting frame. The upper end of the outer surface of the fixing bolt is inserted into the inner wall of the groove, providing a basis for fixing the fixing bolt.

[0008] Furthermore, the fixing component also includes an arrow mark located at the upper center of the fixing bolt, with the front end of the arrow mark facing the direction of the limiting protrusion, providing an arrow mark for the rotation of the extrusion block.

[0009] Furthermore, the connecting assembly includes a post, a slot, and a connecting piece. The post is fixedly connected to the lower inner end of the straight rod, and the lower outer surface of the post is fitted with the inner wall of the straight rod. The slot is located at the lower inner end of the post, and the connecting piece is located at the upper inner end of the post. The outer surface of the connecting piece is fitted with the inner wall of the slot, providing a foundation for the connection of the modular triangular truss.

[0010] Furthermore, the connecting assembly also includes connecting sleeves. Both the upper and lower ends of the outer surface of the straight rod are provided with external threaded grooves, and the connecting sleeves are threaded to the upper end of the outer surface of the straight rod through the external threaded grooves, further providing a basis for the connection of the modular triangular truss.

[0011] Furthermore, the connecting frame is equilateral triangular in shape, with connecting rings at each of the three apexes. The outer surface of the straight rod is slidably connected to the inner wall of the vertically adjacent connecting ring. The triangle provides stability and improves the structural strength of the stage truss.

[0012] Furthermore, it also includes marker grooves and marker lines. The marker grooves are all opened on the outer surface of the connecting ring away from the middle of the connecting frame, and the marker lines are all set on the outer surface of the straight rod away from the middle of the connecting frame. The marker grooves and marker lines are vertically adjacent to each other, providing a foundation for the installation of the straight rod.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This plug-in stage truss has the following advantages:

[0014] 1. By rotating the extrusion block to compress the sliding column, and in conjunction with the triangularly distributed connecting rings, when the tip of the extrusion block is aligned with the sliding column, the three sliding columns move outward synchronously and connect with the three straight rods. When the tip of the extrusion block is misaligned with the sliding column, the sliding column automatically retracts into the mounting groove through the elastic deformation of the spring, and the straight rods lose their limit, realizing the quick assembly and disassembly of the straight rods. This initially improves the assembly and disassembly efficiency of the stage truss. In conjunction with the triangular connecting frame and the triangularly distributed straight rods, the entire stage truss is filled with a triangular structure, which improves the structural strength of the stage truss.

[0015] 2. By inserting the post into the inner wall of the straight rod, inserting the slot into the connecting piece, and threading the connecting sleeve, the upper and lower straight rods can be quickly connected while simultaneously pressing them inward, thus achieving rapid assembly and disassembly between the two modular triangular trusses and further improving the assembly and disassembly efficiency of the stage truss. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a cross-sectional structural diagram of the connection mechanism of this utility model;

[0018] Figure 3 This is a schematic diagram of the sliding column of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the fixing component of this utility model;

[0020] Figure 5 This is a schematic diagram of the connecting frame of this utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the connecting component of this utility model.

[0022] In the diagram: 1 Straight rod, 2 Connecting bracket, 3 Mounting slot, 4 Connecting mechanism, 41 Sliding column, 42 Pressing block, 43 Spring, 44 Insertion hole, 45 Fixing component, 451 Fixing bolt, 452 Limiting groove, 453 Limiting protrusion, 454 Fixing nut, 455 Groove, 456 Arrow mark, 46 Connecting component, 461 Insertion post, 462 Slot, 463 Connecting piece, 464 Connecting sleeve, 5 Connecting ring, 6 Marking groove, 7 Marking line. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-6 This embodiment provides a technical solution: a plug-in stage truss, including three straight rods 1 arranged in an equilateral triangle, with a connecting frame 2 between each of the three straight rods 1. Each connecting frame 2 has an installation groove 3 inside, and the connecting frame 2 is equilaterally triangular. Each of the three apexes of the connecting frame 2 has a connecting ring 5. The outer surface of each straight rod 1 is slidably connected to the inner wall of the vertically adjacent connecting ring 5. The connecting frame 2 itself is a triangular mechanism, and it forms a triangular structure with the three straight rods 1 through the connecting rings 5. At the same time, the three reinforcing ribs inside the connecting frame 2 also divide the interior of the connecting frame 2 into three triangular mechanisms. The triangle has stability and improves the structural strength of the stage truss. It also includes a marking groove 6 and a marking line 7. The marking groove 6 is opened on the outer surface of the connecting ring 5 away from the middle of the connecting frame 2, and the marking line 7 is set on the outer surface of the straight rod 1 away from the middle of the connecting frame 2. The marking groove 6 and the marking line 7 are vertically adjacent to each other, providing a foundation for the installation of the straight rod 1. It also includes a connecting mechanism 4.

[0025] Connecting mechanism 4 includes a sliding column 41, a pressing block 42, a spring 43, an insertion hole 44, a fixing component 45, and a connecting component 46. The sliding columns 41 are slidably connected to the inside of the mounting groove 3. The pressing block 42 is rotatably connected to the middle of the inside of the mounting groove 3. The inner ends of the sliding columns 41 are in contact with the outer edges of the pressing blocks 42. Springs 43 are provided between the middle of the outer surface of the sliding column 41 and the inner wall of the mounting groove 3, and are sleeved on the outer surface of the sliding column 41. The insertion holes 44 are all located on the outer surface of the straight rod 1 near the middle of the connecting frame 2. The side of the sliding column 41 away from the middle of the connecting frame 2 is inserted into the inner wall of the vertically adjacent insertion hole 44, providing a basis for the rapid retraction and extension of the sliding column 41. The fixing component 45 is located in the middle of the inside of the mounting groove 3 and includes... The fastening assembly 45 includes a fixing bolt 451, a limiting groove 452, and a limiting protrusion 453. The fixing bolt 451 is inserted into the middle of the interior of the connecting frame 2. The limiting groove 452 is located on the front side of the outer surface of the fixing bolt 451. The limiting protrusion 453 is located on the front side of the inner wall of the extrusion block 42. The outer surface of the limiting protrusion 453 is inserted into the inner wall of the limiting groove 452. The limiting protrusion 453 is vertically adjacent to the tip of the front side of the extrusion block 42, providing a basis for the rotation of the extrusion block 42. The fastening assembly 45 also includes a fixing nut 454 and a groove 455. The fixing nut 454 is threaded to the lower end of the outer surface of the fixing bolt 451. The groove 455 is located in the middle of the upper end of the connecting frame 2. The upper end of the outer surface of the fixing bolt 451 is inserted into the inner wall of the groove 455. The groove 455 is integrally shaped... The hexagonal head of the fixing bolt 451 is inserted into the hexagonal groove 455, providing a foundation for fixing the fixing bolt 451. The fixing component 45 also includes an arrow mark 456, which is located at the upper middle part of the fixing bolt 451. The front end of the arrow mark 456 faces the direction of the limiting protrusion 453, providing an arrow mark 456 for the rotation of the pressing block 42. The connecting components 46 are respectively set at the upper and lower ends inside the straight rod 1. The connecting components 46 include a post 461, a slot 462, and a connecting piece 463. The post 461 is fixedly connected to the lower end inside the straight rod 1. The lower end of the outer surface of the post 461 is fitted with the inner wall of the straight rod 1. The upper and lower straight rods 1 can be connected through the insertion effect of the post 461 and the inner wall of the straight rod 1. A slot 462 is formed at the lower end of the insert post 461, and a connecting piece 463 is set at the upper end of the insert post 461. The outer surface of the connecting piece 463 is fitted with the inner wall of the slot 462. Both the slot 462 and the connecting piece 463 are Y-shaped. The two straight rods 1 can be further connected by the insertion effect of the connecting piece 463 and the inner wall of the slot 462, providing a basis for the connection of the modular triangular truss. The connecting component 46 also includes a connecting sleeve 464. Both the upper and lower ends of the outer surface of the straight rod 1 are provided with external threaded grooves. The connecting sleeve 464 is threaded to the upper end of the outer surface of the straight rod 1 through the external threaded grooves. The connecting sleeve 464 is provided with internal threads. The internal threads of the connecting sleeve 464 can be rotated to engage with the external threaded groove at the lower end of the outer surface of the straight rod 1.The threaded connection provides a foundation for the connection of the modular triangular truss. A connecting mechanism 4 is included, allowing the connecting frame 2 to simultaneously connect with three straight rods 1 in an equilateral triangle shape by rotating the fixing bolt 451. Combined with the insertion of the slot 462 and connecting piece 463, and the connection of the connecting sleeve 464, the stage truss can be quickly assembled and disassembled, improving the efficiency and structural strength of the stage truss.

[0026] The working principle of the plug-in stage truss provided by this utility model is as follows: When using the plug-in stage truss, first assemble it. Select a straight rod 1 of appropriate length according to the actual situation. Align the marking line 7 on the surface of the straight rod 1 with the marking groove 6 on the connecting ring 5. Then slide one side of the three straight rods 1 into the corresponding connecting ring 5, so that the connecting frame 2 and the straight rods 1 form a triangular frame. After the straight rods 1 are installed in place, pick up the fixing bolt 451 and align the limiting groove 452 of the fixing bolt 451 with the limiting protrusion 453. Insert a part of the lower end of the fixing bolt 451 into the connecting frame 2, so that the outer surface of the limiting protrusion 453 is inserted into the inner wall of the limiting groove 452. At this time, the tip of the extrusion block 42 and the inner end of the sliding column 41 are misaligned. The inner end of rod 1 is in contact with the three sides of the extrusion block 42. Due to the elastic deformation of spring 43, the sliding column 41 is in a retracted state inside the mounting groove 3. The hexagonal head of the fixing bolt 451 has not yet been inserted into the groove 455. Since the limiting protrusion 453 is vertically adjacent to the tip of the front side of the extrusion block 42, and the front end of the arrow mark 456 faces the direction of the limiting protrusion 453, the front end of the arrow mark 456 on the upper end of the fixing bolt 451 is in the direction of the tip of the extrusion block 42. Rotate the fixing bolt 451 so that the front end of the arrow mark 456 is aligned with one of the three straight rods 1. Then press down the fixing bolt 451 so that the hexagonal head of the fixing bolt 451 is inserted into the groove 455. The groove 455 forms a limiting effect on the hexagonal head of the fixing bolt 451. The fixing bolt 451 can no longer deflect. Then, the fixing nut 454 is screwed onto the lower end of the outer surface of the fixing bolt 451 and tightened. The fixing bolt 451 can no longer move up or down. During this process, the pressing block 42 also rotates with the fixing bolt 451. When the front end of the arrow mark 456 is aligned with the straight rod 1, the tip of the pressing block 42 also deflects and aligns with the inner end of the sliding column 41. At this time, the pressing block 42 presses the inner end of the sliding column 41, and the three sliding columns 41 move outward at the same time. The spring 43 is compressed by force. When the tip of the pressing block 42 is directly aligned with the inner end of the sliding column 41, the end of the sliding column 41 away from the middle of the connecting frame 2 is inserted into the corresponding insertion hole 44. The three straight rods 1 will no longer move up or down. With the limiting of the connecting ring 5, the connection... The connecting frame 2 can quickly and simultaneously form a stable connection with the three straight rods 1. When all the connecting frames 2 are connected to the three straight rods 1, the connecting frames 2 and the three straight rods 1 together form a complete and sturdy modular triangular truss. Then, multiple modular triangular trusses are connected to build a complete stage truss. The insert 461 at the lower end of the upper modular triangular truss is aligned with and inserted into the upper inner wall of the lower modular triangular truss. At this time, the upper insert 461 is inserted into the upper inner wall of the lower straight rod 1. After the insert 461 is in place, the lower end of the upper straight rod 1 fits against the upper end of the lower straight rod 1. With the insertion of the insert 461, the upper and lower modular triangular trusses initially form a connection. At the same time, with the insertion of the insert 461,The slot 462 at the lower end of the insert 461 of the upper straight rod 1 also interlocks with the connecting piece 463 at the upper end of the lower straight rod 1, further connecting the two modular triangular trusses. Then, rotating the connecting sleeve 464 on the surface of the lower straight rod 1 causes it to move upwards. As the connecting sleeve 464 moves upwards, the internal thread inside the connecting sleeve 464 engages with the external thread groove at the lower end of the outer surface of the upper straight rod 1, forming a threaded connection. This allows the connecting sleeve 464 to connect the two straight rods 1 while simultaneously pressing the two straight rods 1 inwards, completing the connection of the two modular triangular trusses.

[0027] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A plug-in stage truss, comprising three straight rods (1) arranged in an equilateral triangle, wherein each of the three straight rods (1) is provided with a connecting frame (2), and each connecting frame (2) has an installation groove (3) inside, characterized in that: It also includes a connecting mechanism (4); The connecting mechanism (4) includes a sliding column (41), a pressing block (42), a spring (43), a socket (44), a fixing component (45), and a connecting component (46). The sliding column (41) is slidably connected to the inside of the mounting groove (3). The pressing block (42) is rotatably connected to the middle of the inside of the mounting groove (3). The inner end of the sliding column (41) is in contact with the outer edge of the pressing block (42). A spring (43) is provided between the middle of the outer surface of the sliding column (41) and the inner wall of the mounting groove (3). The spring (43) is sleeved on the outer surface of the sliding column (41). The socket (44) is opened on the side of the outer surface of the straight rod (1) near the middle of the connecting frame (2). The side of the sliding column (41) away from the middle of the connecting frame (2) is inserted into the inner wall of the vertically adjacent socket (44). The fixing component (45) is set in the middle of the inside of the mounting groove (3). The connecting component (46) is set at the upper and lower ends of the inside of the straight rod (1).

2. The plug-in stage truss according to claim 1, characterized in that: The fixing component (45) includes a fixing bolt (451), a limiting groove (452), and a limiting protrusion (453). The fixing bolt (451) is inserted into the middle of the inside of the connecting frame (2). The limiting groove (452) is opened on the front side of the outer surface of the fixing bolt (451). The limiting protrusion (453) is disposed on the front side of the inner wall of the extrusion block (42). The outer surface of the limiting protrusion (453) is inserted into the inner wall of the limiting groove (452). The limiting protrusion (453) is vertically adjacent to the tip of the front side of the extrusion block (42).

3. A plug-in stage truss according to claim 2, characterized in that: The fixing component (45) also includes a fixing nut (454) and a groove (455). The fixing nut (454) is threaded to the lower end of the outer surface of the fixing bolt (451). The groove (455) is opened in the middle of the upper end of the connecting frame (2). The upper end of the outer surface of the fixing bolt (451) is inserted into the inner wall of the groove (455).

4. A plug-in stage truss according to claim 2, characterized in that: The fixing component (45) also includes an arrow mark (456), which is located at the upper middle part of the fixing bolt (451), with the front end of the arrow mark (456) facing the direction of the limiting protrusion (453).

5. A plug-in stage truss according to claim 1, characterized in that: The connecting assembly (46) includes a pin (461), a slot (462), and a connecting piece (463). The pin (461) is fixedly connected to the lower inner end of the straight rod (1). The lower outer surface of the pin (461) is fitted with the inner wall of the straight rod (1). The slot (462) is opened at the lower inner end of the pin (461). The connecting piece (463) is located at the upper inner end of the pin (461). The outer surface of the connecting piece (463) is fitted with the inner wall of the slot (462).

6. A plug-in stage truss according to claim 5, characterized in that: The connecting assembly (46) also includes a connecting sleeve (464). Both the upper and lower ends of the outer surface of the straight rod (1) are provided with external thread grooves, and the connecting sleeves (464) are threaded to the upper end of the outer surface of the straight rod (1) through the external thread grooves.

7. A plug-in stage truss according to claim 1, characterized in that: The connecting frame (2) is in the shape of an equilateral triangle. Each of the three apexes of the connecting frame (2) is provided with a connecting ring (5). The outer surface of the straight rod (1) is slidably connected to the inner wall of the vertically adjacent connecting ring (5).

8. A plug-in stage truss according to claim 7, characterized in that: It also includes a marking groove (6) and a marking line (7). The marking groove (6) is opened on the outer surface of the connecting ring (5) away from the middle of the connecting frame (2), and the marking line (7) is set on the outer surface of the straight rod (1) away from the middle of the connecting frame (2). The marking groove (6) and the marking line (7) are vertically adjacent.