Quick splicing structure of a semitrailer carriage plate

By using the pre-positioning of the card strip and slide rail and the automatic locking of the ejection mechanism, the rapid splicing of the semi-trailer body panels is achieved, solving the problems of complex operation and loosening risk in the existing technology, and improving splicing efficiency and stability.

CN224528797UActive Publication Date: 2026-07-21SHANDONG TONGSHUN AUTOMOBILE MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG TONGSHUN AUTOMOBILE MFG CO LTD
Filing Date
2025-10-10
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

In existing technologies, the splicing methods for semi-trailer body panels are complex and time-consuming, making it difficult to achieve rapid assembly and disassembly and posing a risk of loosening, which affects structural stability and production efficiency.

Method used

The system uses a locking strip and slide rail for initial positioning, combined with an ejector mechanism and positioning rod for automatic locking. It achieves dual locking in both the horizontal and vertical directions through a simple rotation operation, simplifying the splicing process and enhancing stability.

Benefits of technology

It significantly improves splicing efficiency, reduces the labor intensity of operators, ensures the rapid installation and disassembly of the carriage panels, avoids loosening or misalignment, enhances the integrity and stability of the splicing joints, and ensures driving safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of quick splicing structures of semitrailer carriage plate, it is related to carriage plate assembly technical field, including carriage plate main body, the side of carriage plate main body is fixedly connected with clamping strip, and the other side of carriage plate main body is fixedly connected with limit slide rail, the side of carriage plate main body is fixedly connected with fixed seat, the outside of fixed seat is equipped with positioning hole, the inside of carriage plate main body is fixedly connected with mounting seat, the inside of mounting seat is equipped with pop-up mechanism, the outside of connecting plate is fixedly connected with positioning rod, the outside of connecting plate is equipped with positioning arc groove, the inside of mounting seat is rotatably connected with rotating shaft, the outside of rotating shaft is equipped with positioning mechanism, the outside of carriage plate main body is equipped with deflection mechanism. The structure is contracted and popped out by rotating single screw block, the shrinkage of positioning rod can be linked control, and the guidance of cooperation clamping strip and slide rail, only once forward and reverse rotation operation can sequentially complete the horizontal butt joint of plate and vertical locking, realize the quick alignment of carriage plate and firm splicing.
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Description

Technical Field

[0001] This utility model relates to the field of vehicle body assembly technology, and in particular to a quick splicing structure for semi-trailer vehicle body panels. Background Technology

[0002] In the manufacturing and repair of semi-trailers, the splicing efficiency and connection reliability of the trailer body panels directly affect the production cycle and the performance of the whole vehicle. Traditional trailer body panels are mostly fixed by welding or bolts. Although welding is strong, the process is cumbersome and not conducive to subsequent disassembly and replacement. Bolt connection requires the use of tools to tighten each one, which is time-consuming and labor-intensive, and cannot meet the urgent needs of modern logistics and transportation industry for efficient and convenient assembly.

[0003] Existing splicing methods are mainly characterized by complex operation and long time consumption, making it difficult to achieve rapid assembly and disassembly. Specifically, these methods often fail to provide effective multi-directional constraints while achieving rapid alignment, which can easily lead to the risk of loosening of the spliced ​​trailer body panels and affect structural stability. Therefore, a rapid splicing structure for semi-trailer trailer body panels is proposed here. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a quick-assembly structure for semi-trailer cargo boxes, solving the problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a quick-assembly structure for a semi-trailer body panel, comprising a body panel main body, a retaining strip fixedly connected to one side of the body panel main body, and a limiting slide rail fixedly connected to the other side of the body panel main body, a fixing seat fixedly connected to one side of the body panel main body, a positioning hole provided on the outside of the fixing seat, an mounting seat fixedly connected to the inside of the body panel main body, and the mounting seat and the fixing seat are symmetrically arranged, a pop-out mechanism installed on the inside of the mounting seat, and a connecting plate connected to one side of the pop-out mechanism, a positioning rod fixedly connected to the outside of the connecting plate, a positioning arc groove provided on the outside of the connecting plate, a rotating shaft rotatably connected to the inside of the mounting seat, a positioning mechanism installed on the outside of the rotating shaft, and a deflection mechanism installed on the outside of the body panel main body.

[0006] As a further technical solution of this utility model, the main body of the carriage panel is a hollow structure, and multiple sets of horizontally arranged reinforcing plates are fixedly connected to the inner side of the main body of the carriage panel.

[0007] As a further technical solution of this utility model, the limiting slide rail and the locking strip are matched.

[0008] As a further technical solution of this utility model, the pop-out mechanism includes a telescopic rod and a compression spring, both of which are fixedly connected to the inner side of the mounting base, and the connecting plate is fixedly connected to the ends of the telescopic rod and the compression spring.

[0009] As a further technical solution of this utility model, a sliding groove is provided on the outside of the main body of the carriage panel, and a positioning rod is fixedly connected to the outside of the connecting plate. The number of positioning holes and the number of positioning rods are both several sets and arranged vertically, and the positioning rods and the positioning holes are matched.

[0010] As a further technical solution of this utility model, the positioning mechanism includes a connecting rod and a positioning ball. The connecting rod is fixedly connected to the outside of the rotating shaft, and the positioning ball is fixedly connected to the end of the connecting rod, and the positioning ball matches the positioning arc groove.

[0011] As a further technical solution of this utility model, the deflection mechanism includes a mounting groove, a rotating block, and a screwing block. The mounting groove is opened on the outside of the body panel, the rotating block is rotatably connected to the inside of the mounting groove, and the rotating block is fixedly connected to the rotating shaft. The screwing block is fixedly connected to the outside of the rotating block.

[0012] This utility model provides a quick-assembly structure for semi-trailer cargo boxes, which has the following advantages compared with the prior art:

[0013] 1. This design provides a quick-assembly structure for semi-trailer trailer panels, which simplifies the complex assembly process into a single forward and reverse rotation operation. This significantly reduces the labor intensity and technical requirements for operators. This intuitive operation method avoids the use of additional tools, greatly improves assembly efficiency, shortens operation time, and makes the installation and disassembly of trailer panels simple and quick.

[0014] 2. This design provides a quick-connect structure for semi-trailer cargo boxes. Initial lateral positioning is achieved through locking strips and slide rails, followed by automatic vertical locking via spring-driven positioning rods, forming a reliable double constraint. This connection method effectively prevents loosening or misalignment of the cargo boxes after connection, significantly enhancing the integrity and stability of the joint and ensuring driving safety. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 for Figure 1 Enlarged view of the structure at point A in the middle;

[0017] Figure 3 This is a schematic diagram of the second overall structure of the present invention;

[0018] Figure 4 for Figure 3 Enlarged view of the structure at point B;

[0019] Figure 5 This is a partial front sectional view of the present invention;

[0020] Figure 6 for Figure 5 Enlarged view of the structure at point C;

[0021] Figure 7 for Figure 1 Enlarged view of the structure at point D;

[0022] Figure 8 for Figure 5 Enlarged view of the structure at point E in the middle;

[0023] Figure 9 for Figure 5 Enlarged view of the structure at point F.

[0024] In the diagram: 1. Body panel; 2. Reinforcing plate; 3. Clip; 4. Limiting slide rail; 5. Fixing seat; 6. Positioning hole; 7. Mounting seat; 8. Telescopic rod; 9. Compression spring; 10. Connecting plate; 11. Slide groove; 12. Positioning rod; 13. Positioning arc groove; 14. Mounting groove; 15. Rotating block; 16. Tightening block; 17. Rotating shaft; 18. Connecting rod; 19. Positioning ball. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-9 This utility model provides a quick splicing structure for semi-trailer body panels, including a body panel main body 1. The body panel main body 1 has a hollow structure to achieve lightweight while ensuring structural strength. Multiple sets of horizontally arranged reinforcing plates 2 are fixedly connected to the inner side of the body panel main body 1 to enhance the bending resistance of the body panel main body 1. A retaining strip 3 is fixedly connected to one side of the body panel main body 1, and a limiting slide rail 4 is fixedly connected to the other side of the body panel main body 1. The limiting slide rail 4 and the retaining strip 3 are matched to achieve initial guidance and lateral limitation of adjacent body panels during splicing.

[0027] like Figure 5 as well as Figure 6As shown, a fixed seat 5 is fixedly connected to one side of the main body 1 of the carriage panel. The fixed seat 5 serves as the base for receiving the positioning rod 12. A positioning hole 6 is provided on its exterior. An installation seat 7 is fixedly connected to the inner side of the main body 1 of the carriage panel to accommodate and support the internal mechanism. The installation seat 7 and the fixed seat 5 are arranged symmetrically to ensure balanced force. An ejection mechanism is installed on the inner side of the installation seat 7 to provide power for automatic locking after splicing. A connecting plate 10 is connected to one side of the ejection mechanism to integrate and transmit motion. The ejection mechanism includes a telescopic rod 8 and a compression spring 9. The telescopic rod 8 is used to provide precise guidance for the movement of the connecting plate 10 and prevent deflection. The compression spring 9 is used to store and release elastic potential energy. The telescopic rod 8 and the compression spring 9 are both fixedly connected to the inner side of the installation seat 7. The connecting plate 10 is fixedly connected to the end of the telescopic rod 8 and the compression spring 9 to convert the spring force into linear motion of the connecting plate 10.

[0028] like Figure 5 as well as Figure 8 As shown, a positioning rod 12 is fixedly connected to the outside of the connecting plate 10. The positioning rod 12 serves as the final vertical locking component. A sliding groove 11 is provided on the outside of the body panel 1 to provide an active channel for the extension and retraction of the positioning rod 12. The number of positioning holes 6 and positioning rods 12 are several sets and arranged vertically. The positioning rods 12 and positioning holes 6 are matched. Multiple sets of cooperation ensure the reliability of locking. A positioning arc groove 13 is provided on the outside of the connecting plate 10 to cooperate with the positioning ball 19 to achieve temporary locking of the connecting plate 10. A rotating shaft 17 is rotatably connected to the inside of the mounting base 7, serving as the transmission core for rotational movement.

[0029] like Figure 8 as well as Figure 9 As shown, a positioning mechanism is installed on the outside of the rotating shaft 17 to control the locking and releasing state of the connecting plate 10. The positioning mechanism includes a connecting rod 18 and a positioning ball 19. The connecting rod 18 is fixedly connected to the outside of the rotating shaft 17 and is used to convert the rotational motion of the rotating shaft 17 into the arc motion of the positioning ball 19. The positioning ball 19 is fixedly connected to the end of the connecting rod 18 and achieves smooth insertion and removal through the cooperation of its spherical surface with the positioning arc groove 13. The positioning ball 19 and the positioning arc groove 13 are matched to form a temporary locking functional unit.

[0030] like Figure 1 as well as Figure 7As shown, a deflection mechanism is installed on the outside of the main body 1 of the carriage panel to provide an interface for the operator to apply force to drive the internal mechanism. The deflection mechanism includes a mounting groove 14, a rotating block 15, and a screwing block 16. The mounting groove 14 is opened on the outside of the main body 1 of the carriage panel to accommodate the rotating block 15. The rotating block 15 is rotatably connected to the inside of the mounting groove 14, and the rotating block 15 is fixedly connected to the rotating shaft 17 to transmit the external rotation operation to the internal rotating shaft 17. The screwing block 16 is fixedly connected to the outside of the rotating block 15 to facilitate manual force application for rotation operation.

[0031] The working principle of this utility model is as follows: Before splicing the two main body panels 1, the operator first rotates the screw block 16 located on the side of one of the main body panels. The rotation of the screw block 16 will drive the rotating block 15 and the rotating shaft 17 fixed thereto to rotate synchronously in the mounting base 7. The rotation of the rotating shaft 17 drives the connecting rod 18 outside it to swing, so that the positioning ball 19 at the end of the connecting rod 18 presses the connecting plate 10. This pressing force makes the connecting plate 10 overcome the elastic force of the compression spring 9 and move into the main body panel 1 along the guide direction of the telescopic rod 8, thereby driving the multiple sets of positioning rods 12 fixed thereto to retract from the slide groove 11. When the rotating shaft 17 rotates to a specific angle, the positioning ball 19 just fits into the positioning arc groove 13 on the connecting plate 10. At this time, the connecting plate 10 is temporarily locked, and all the positioning rods 12 remain in a fully retracted state, making room for splicing.

[0032] Subsequently, the operator can align and insert the locking strip 3 on the side of the main body 1 of the carriage panel with the limiting slide rail 4 on the adjacent carriage panel. The sliding cooperation between the locking strip 3 and the limiting slide rail 4 realizes the initial docking and lateral constraint between the two main bodies 1 of the carriage panels, ensuring the alignment and connection of the panels in the horizontal direction. After the initial docking is completed, the operator turns the locking block 16 in the opposite direction, so that the rotating shaft 17 drives the connecting rod 18 and the positioning ball 19 to move out of the positioning arc groove 13. Once the lock is released, the compressed spring 9 immediately releases its elastic force, pushing the connecting plate 10 to reset outward, so that the multiple sets of positioning rods 12 on it can be quickly and accurately inserted into the preset positioning holes 6 of the fixing seat 5 on the other carriage panel. This action completes the firm positioning of the two main bodies 1 of the carriage panels in the vertical direction. The whole process can achieve double locking in the horizontal and vertical directions in sequence through simple rotation operation, thereby achieving a fast and reliable splicing effect.

[0033] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model are implemented according to conventional methods in the art, unless otherwise specified or limited.

Claims

1. A quick-assembly structure for semi-trailer cargo box panels, characterized in that, The system includes a carriage body (1), a retaining strip (3) fixedly connected to one side of the carriage body (1), and a limit rail (4) fixedly connected to the other side of the carriage body (1). A fixing seat (5) is fixedly connected to one side of the carriage body (1), and a positioning hole (6) is provided on the outside of the fixing seat (5). An mounting seat (7) is fixedly connected to the inside of the carriage body (1), and the mounting seat (7) and the fixing seat (5) are arranged symmetrically. A pop-out mechanism is installed on the inside of the mounting seat (7), and a connecting plate (10) is connected to one side of the pop-out mechanism. A positioning rod (12) is fixedly connected to the outside of the connecting plate (10), and a positioning arc groove (13) is provided on the outside of the connecting plate (10). A rotating shaft (17) is rotatably connected to the inside of the mounting seat (7), and a positioning mechanism is installed on the outside of the rotating shaft (17). A deflection mechanism is installed on the outside of the carriage body (1).

2. The rapid assembly structure for a semi-trailer trailer body as described in claim 1, characterized in that, The main body (1) of the carriage panel is a hollow structure, and multiple sets of horizontally arranged reinforcing plates (2) are fixedly connected to the inner side of the main body (1).

3. The rapid assembly structure for a semi-trailer trailer body as described in claim 1, characterized in that, The limiting slide rail (4) is matched with the locking strip (3).

4. The rapid assembly structure for a semi-trailer trailer body as described in claim 1, characterized in that, The pop-out mechanism includes a telescopic rod (8) and a compression spring (9). The telescopic rod (8) and the compression spring (9) are both fixedly connected to the inner side of the mounting base (7). The connecting plate (10) is fixedly connected to the end of the telescopic rod (8) and the compression spring (9).

5. The rapid assembly structure for a semi-trailer trailer body as described in claim 1, characterized in that, The exterior of the main body (1) of the carriage panel is provided with a sliding groove (11), and the exterior of the connecting plate (10) is fixedly connected with a positioning rod (12). The number of positioning holes (6) and positioning rods (12) are several sets and arranged vertically, and the positioning rods (12) and positioning holes (6) are matched.

6. The rapid assembly structure for a semi-trailer trailer body as described in claim 1, characterized in that, The positioning mechanism includes a connecting rod (18) and a positioning ball (19). The connecting rod (18) is fixedly connected to the outside of the rotating shaft (17), and the positioning ball (19) is fixedly connected to the end of the connecting rod (18). The positioning ball (19) is matched with the positioning arc groove (13).

7. The rapid assembly structure for a semi-trailer trailer body as described in claim 1, characterized in that, The deflection mechanism includes a mounting groove (14), a rotating block (15), and a screwing block (16). The mounting groove (14) is located on the outside of the main body (1) of the carriage panel. The rotating block (15) is rotatably connected to the inside of the mounting groove (14), and the rotating block (15) is fixedly connected to the rotating shaft (17). The screwing block (16) is fixedly connected to the outside of the rotating block (15).