Automobile conveying chain with adjustable guardrail mechanism

By designing an adjustable guardrail mechanism, including a sliding bar, a threaded bar, and a limit sleeve, the problem of inconvenient guardrail adjustment was solved, improving the ease of operation and smoothness of production in the automotive conveyor chain.

CN224000386UActive Publication Date: 2026-03-17JIANGSU TIANJIE INTELLIGENT EQUIP MFG CO LTD
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Patent Information

Application Number
CN202520828054.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-03-17
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

The existing car conveyor chain guardrail design lacks convenient adjustment functions, which affects production efficiency and the ability to respond to emergencies.

Method used

An adjustable guardrail mechanism was designed, which includes components such as a sliding rod, a threaded rod, and a limiting sleeve. The height of the guardrail can be adjusted by rotating the limiting sleeve, and the guardrail remains stable after adjustment by using the cooperation of a fixed block, a locking block, and a spring.

Benefits of technology

It enables flexible adjustment of the guardrail, improves ease of use and production efficiency, and can quickly respond to changes in production needs and emergencies.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224000386U_ABST
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Abstract

The utility model belongs to the technical field of automobile conveying chains, and particularly relates to an automobile conveying chain with an adjustable guardrail mechanism, which comprises an automobile conveying chain main body, a sliding rod is slidably connected in the automobile conveying chain main body, the upper end of the sliding rod is fixedly connected with a guardrail, and the lower end of the guardrail is fixedly connected with a threaded rod. A limiting block is rotationally connected into the automobile conveying chain body and movably connected with the threaded rod. The guardrail is innovatively designed and provided with key components such as the sliding rod, the threaded rod and the limiting sleeve, when the guardrail is used, the limiting sleeve and the threaded rod are promoted to generate threaded motion by rotating the limiting sleeve, and then the threaded rod drives the guardrail to move, so that the height of the guardrail is effectively adjusted; the problem of inconvenience caused by the fact that the guardrail of the automobile conveying chain is difficult to adjust in the using process is perfectly solved, operation becomes more flexible, and convenience and high efficiency of the automobile conveying chain in the using process are greatly improved.
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Description

Technical Field

[0001] This utility model relates to the field of automotive conveyor chain technology, specifically an automotive conveyor chain with an adjustable guardrail mechanism. Background Technology

[0002] The automotive conveyor chain is a key piece of equipment on the automobile manufacturing production line. Like a long steel dragon, it plays a vital role in the automobile production process. This conveyor chain is mainly used to transport car bodies between various production stages. Its robust and durable design can withstand the weight of the car body and transport it smoothly, ensuring the efficient and orderly operation of the production process. The conveyor chain operates stably and efficiently, continuously running at a preset speed and rhythm, ensuring that cars are processed and assembled on time for each stage. Equipped with specialized positioning devices, the conveyor chain precisely fixes the position of the car body, ensuring the accuracy of subsequent production operations. Furthermore, the surface of the conveyor chain undergoes special treatment, making it wear-resistant and corrosion-resistant, extending its service life, reducing equipment maintenance costs, and providing strong support for the efficient production of automobile manufacturers.

[0003] However, the guardrails used in automotive conveyor chains have revealed significant drawbacks in practical use. Currently, this guardrail design has considerable limitations, causing numerous inconveniences for users. Due to the lack of convenient adjustment functions, workers must resort to complex methods whenever different production needs or maintenance of the conveyor chain are required. Sometimes, adjusting to the appropriate position expends considerable extra time and effort, severely impacting work efficiency. Furthermore, in emergency situations, the inability to quickly adjust the guardrails to respond to unexpected circumstances negatively affects the normal operation of the entire automotive conveyor chain and the smoothness of production. Utility Model Content

[0004] The purpose of this utility model is to provide an automobile conveyor chain with an adjustable guardrail mechanism, which solves the problem that the guardrails of automobile conveyor chains are inconvenient to adjust and not convenient to use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a car conveyor chain with an adjustable guardrail mechanism, comprising a car conveyor chain body, a sliding rod slidably connected inside the car conveyor chain body, a guardrail fixedly connected to the upper end of the sliding rod, a threaded rod fixedly connected to the lower end of the guardrail, a limiting block rotatably connected inside the car conveyor chain body, the limiting block being movably connected to the threaded rod, a protrusion fixedly connected to the outer side of the limiting block, the protrusion being slidably connected to the car conveyor chain body, a limiting sleeve fixedly connected to the upper end of the limiting block, and a limiting mechanism provided on the car conveyor chain body.

[0006] Preferably, a limiting ring is fixedly connected inside the main body of the automobile conveyor chain. The limiting ring is slidably connected to the slide bar. Through the design of the limiting ring, the slide bar can be limited.

[0007] Preferably, a square plate is fixedly connected to the lower end of the threaded rod, and the square plate is slidably connected to the main body of the automobile conveyor chain. The design of the square plate can limit the movement of the threaded rod.

[0008] Preferably, the limiting sleeve contacts the main body of the automobile conveyor chain, the limiting sleeve contacts the guardrail, and the limiting sleeve is connected to the threaded rod by a thread. Through the design of the limiting sleeve, the position of the threaded rod can be adjusted.

[0009] Preferably, the limiting mechanism includes a fixed block, the upper end of the main body of the vehicle conveyor chain is in contact with the fixed block, the fixed block is in contact with the guardrail, the fixed block is in contact with the limiting sleeve, a locking block is fixedly connected to the side of the fixed block near the limiting sleeve, the limiting sleeve has a locking groove inside, the locking block is slidably connected to the locking groove, a guide block is fixedly connected to the lower end of the fixed block, the guide block is slidably connected to the main body of the vehicle conveyor chain, a guide rod is fixedly connected to the side of the guide block away from the fixed block, the guide rod is slidably connected to the main body of the vehicle conveyor chain, a spring is provided inside the main body of the vehicle conveyor chain, one end of the spring is in contact with the guide rod, and the other end of the spring is in contact with the main body of the vehicle conveyor chain. Through the design of the limiting mechanism, the guardrail can remain stable after adjustment.

[0010] Preferably, the main body of the automobile conveyor chain is internally fixedly connected with a fixing ring, which is slidably connected to the guide rod. The design of the fixing ring can limit the movement of the guide rod.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. This utility model features an innovative design with key components such as a sliding rod, a threaded rod, and a limiting sleeve. In use, rotating the limiting sleeve causes the limiting sleeve and the threaded rod to move in a threaded motion, which in turn drives the guardrail to move, thus achieving effective adjustment of the guardrail height. This perfectly solves the inconvenience caused by the difficulty in adjusting the guardrail during the use of automobile conveyor chains, making operation more flexible and greatly improving the convenience and efficiency of automobile conveyor chains during use.

[0013] 2. This utility model is ingeniously designed with components such as a fixing block, a locking block, and a spring. When in operation, the elastic force of the spring can drive the fixing block to move. As the fixing block moves, it causes the locking block to slide into the limiting sleeve, thereby achieving the limiting effect of the limiting sleeve. This structure can stabilize and limit the guardrail after adjustment, so that the guardrail always maintains a stable state after adjustment. Attached Figure Description

[0014] Figure 1 This is a three-dimensional view of the overall structure of this utility model;

[0015] Figure 2 For the present utility model Figure 1 A partial three-dimensional structural diagram;

[0016] Figure 3 For the present utility model Figure 1 A front sectional view;

[0017] Figure 4 For the present utility model Figure 3 Enlarged view of part A of the structure.

[0018] In the diagram: 1. Main body of the automobile conveyor chain; 2. Slide bar; 21. Guardrail; 22. Limiting ring; 23. Threaded rod; 24. Square plate; 25. Limiting block; 26. Protrusion; 27. Limiting sleeve; 3. Limiting mechanism; 31. Fixing block; 32. Locking block; 33. Locking groove; 34. Guide block; 35. Guide rod; 36. Fixing ring; 37. Spring. Detailed Implementation

[0019] 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.

[0020] Please see Figure 1-4 An adjustable guardrail mechanism for automobile conveyor chains includes an automobile conveyor chain body 1, a sliding rod 2 slidably connected inside the automobile conveyor chain body 1, a guardrail 21 fixedly connected to the upper end of the sliding rod 2, a limiting ring 22 fixedly connected inside the automobile conveyor chain body 1, the limiting ring 22 slidably connected to the sliding rod 2, and the limiting ring 22 can limit the sliding rod 2 through its design, a threaded rod 23 fixedly connected to the lower end of the guardrail 21, and a square plate 24 fixedly connected to the lower end of the threaded rod 23.

[0021] Please see Figure 2-4The square plate 24 is slidably connected to the main body 1 of the automobile conveyor chain. The design of the square plate 24 can limit the threaded rod 23. The inside of the main body 1 of the automobile conveyor chain is rotatably connected to the limiting block 25. The limiting block 25 is movably connected to the threaded rod 23. The outer side of the limiting block 25 is fixedly connected to the protrusion 26. The protrusion 26 is slidably connected to the main body 1 of the automobile conveyor chain. The upper end of the limiting block 25 is fixedly connected to the limiting sleeve 27. The limiting sleeve 27 is in contact with the main body 1 of the automobile conveyor chain and with the guardrail 21. The limiting sleeve 27 is threadedly connected to the threaded rod 23. The design of the limiting sleeve 27 can adjust the position of the threaded rod 23. The main body 1 of the automobile conveyor chain is provided with a limiting mechanism 3.

[0022] Please see Figure 2-4 The limiting mechanism 3 includes a fixing block 31. The upper end of the automobile conveyor chain body 1 is in contact with the fixing block 31, which is in contact with the guardrail 21 and the limiting sleeve 27. A locking block 32 is fixedly connected to the side of the fixing block 31 near the limiting sleeve 27. A locking groove 33 is provided inside the limiting sleeve 27, and the locking block 32 is slidably connected to the locking groove 33. A guide block 34 is fixedly connected to the lower end of the fixing block 31. The guide block 34 is slidably connected to the automobile conveyor chain body 1, and the side of the guide block 34 away from the fixing block 31 is fixed. A guide rod 35 is connected and slidably connected to the main body 1 of the automobile conveyor chain. A fixing ring 36 is fixedly connected inside the main body 1 of the automobile conveyor chain and slidably connected to the guide rod 35. The design of the fixing ring 36 can limit the guide rod 35. A spring 37 is set inside the main body 1 of the automobile conveyor chain. One end of the spring 37 contacts the guide rod 35 and the other end of the spring 37 contacts the main body 1 of the automobile conveyor chain. The design of the limiting mechanism 3 can keep the guardrail 21 stable after adjustment.

[0023] The specific implementation process of this utility model is as follows: When in use, by moving the fixing block 31 away from the limiting sleeve 27, the fixing block 31 drives the guide block 34 to move, and the guide block 34 drives the guide rod 35 to squeeze the spring 37, so that the fixing block 31 can drive the locking block 32 to slide out of the locking groove 33 on the limiting sleeve 27, and the limitation on the limiting sleeve 27 can be released.

[0024] By rotating the limiting sleeve 27, the limiting sleeve 27 and the threaded rod 23 will move in a threaded motion, thereby moving the threaded rod 23 within the limiting sleeve 27. This causes the threaded rod 23 to move the guardrail 21, thus adjusting the height of the guardrail 21.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A car conveyor chain with an adjustable guard mechanism, comprising a car conveyor chain body (1), characterized in that: The inside of the automobile conveying chain body (1) is slidably connected with a slide rod (2), the upper end of the slide rod (2) is fixedly connected with a guardrail (21), the lower end of the guardrail (21) is fixedly connected with a threaded rod (23), the inside of the automobile conveying chain body (1) is rotatably connected with a limiting block (25), the limiting block (25) is movably connected with the threaded rod (23), the outside of the limiting block (25) is fixedly connected with a protruding block (26), the protruding block (26) is slidably connected with the automobile conveying chain body (1), the upper end of the limiting block (25) is fixedly connected with a limiting sleeve (27), and the automobile conveying chain body (1) is provided with a limiting mechanism (3).

2. A motor vehicle conveyor chain having an adjustable guard mechanism as claimed in claim 1, characterised in that: The inside of the automobile conveying chain body (1) is fixedly connected with a limiting ring (22), and the limiting ring (22) is slidably connected with the slide rod (2).

3. A motor vehicle conveyor chain having an adjustable guard mechanism as claimed in claim 1, characterised in that: The lower end of the threaded rod (23) is fixedly connected with a square plate (24), and the square plate (24) is slidably connected with the automobile conveying chain body (1).

4. A motor vehicle conveyor chain having an adjustable guard mechanism as claimed in claim 1, characterised in that: The limiting sleeve (27) is in contact with the automobile conveying chain body (1), the limiting sleeve (27) is in contact with the guardrail (21), and the limiting sleeve (27) is in threaded connection with the threaded rod (23).

5. A conveyor chain for a vehicle having an adjustable guard mechanism as claimed in claim 1, characterized in that: The limiting mechanism (3) comprises a fixed block (31), the upper end of the automobile conveying chain body (1) is in contact with the fixed block (31), the fixed block (31) is in contact with the guardrail (21), the fixed block (31) is in contact with the limiting sleeve (27), one side of the fixed block (31) close to the limiting sleeve (27) is fixedly connected with a clamping block (32), the inside of the limiting sleeve (27) is provided with a clamping groove (33), the clamping block (32) is slidably connected with the clamping groove (33), the lower end of the fixed block (31) is fixedly connected with a guide block (34), the guide block (34) is slidably connected with the automobile conveying chain body (1), one side of the guide block (34) away from the fixed block (31) is fixedly connected with a guide rod (35), the guide rod (35) is slidably connected with the automobile conveying chain body (1), and the inside of the automobile conveying chain body (1) is provided with a spring (37), one end of the spring (37) is in contact with the guide rod (35), and the other end of the spring (37) is in contact with the automobile conveying chain body (1).

6. A motor vehicle conveyor chain having an adjustable guard mechanism as claimed in claim 5, characterised in that: The inside of the automobile conveying chain body (1) is fixedly connected with a fixed ring (36), and the fixed ring (36) is slidably connected with the guide rod (35).