Plastic drag chain convenient to disassemble, assemble and combine
The chain link unit design with snap-in slots and elastic snaps, with internal guide ribs and adjustable cable fixing clips, solves the problems of complex installation, inconvenient cable management and insufficient connection reliability of drag chain systems, and realizes convenient disassembly and assembly and stable cable management, adapting to a variety of application scenarios.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-03
- Publication Date
- 2026-04-07
AI Technical Summary
Existing cable chain systems are complex to install, inconvenient to manage cables, have poor adaptability, and insufficient connection reliability, which affects the stability of the equipment and maintenance costs.
The chain link unit, featuring a snap-fit groove and elastic snap-fit design, incorporates internal guide ribs and adjustable cable clamps. Combined with a dual-section clamping tube and spring structure, it enables quick assembly and disassembly, as well as layered cable management, enhancing connection stability.
It improves the ease of disassembly and assembly, enhances cable management efficiency, improves system stability and safety, simplifies maintenance procedures, and adapts to various working conditions.
Smart Images

Figure CN224093757U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to machine tool equipment cable protection device technical field, concretely is a plastic tow chain convenient to dismouting combination. BACKGROUND
[0002] In modern industrial production, the management and protection of cables and hoses are of great importance. Especially in automated equipment, robots, and various mechanical equipment, cables need to be flexibly routed between moving parts to ensure the stability and safety of signal transmission. Traditional cable management methods usually use tow chains (also known as cable tow chains or cable protection chains), which can effectively protect cables from mechanical damage and provide good guiding function.
[0003] However, the existing tow chain system has some limitations, mainly in the following aspects:
[0004] Complex installation and removal: The connection method of traditional tow chains is usually complex, often requiring the use of bolts or other fasteners for fixation, which not only increases the installation time, but also makes maintenance and replacement difficult.
[0005] Inconvenient cable management: The internal structure design of existing tow chains is not flexible enough, making it difficult to achieve layered management of cables, which can easily lead to cable entanglement, affecting service life and signal transmission quality.
[0006] Poor adaptability: For cables of different lengths and diameters, traditional tow chains lack effective adjustment mechanisms and cannot meet the needs of diverse application scenarios.
[0007] Insufficient reliability: The connection parts in some tow chain designs are prone to looseness or falling off, affecting the stability of the entire system and increasing maintenance costs and safety hazards. INVENTION CONTENTS
[0008] (I) Technical problems solved
[0009] To overcome the shortcomings of the prior art, the utility model provides a plastic tow chain convenient to dismouting combination.
[0010] (II) Technical solutions
[0011] To achieve the above purpose, the utility model provides the following technical solutions: a plastic tow chain convenient to dismouting combination of the utility model, including chain link unit and connecting head, the both ends of chain link unit are equipped with buckle slot, the both ends of connecting head are equipped with elastic buckle, the elastic buckle is matched with buckle slot, the inner wall of chain link unit is equipped with guide rib, the guide rib is used to form cable layered channel, the top and bottom of chain link unit are slidably installed with cable fixing clamp, the cable fixing clamp is used to clamp cable.
[0012] Preferably, the top end and the bottom of the chain link unit are symmetrically provided with two sliding openings, the inner wall of the sliding opening is provided with a linear sliding rail, the linear sliding rail is slidably provided with a linear sliding block, the cable fixing clamp is fixedly installed on the bottom of the linear sliding block, and the cable fixing clamp is provided with a spring one between the inner wall of the chain link unit.
[0013] Further preferably, the elastic buckle comprises a fixed tube and a clamping tube, the fixed tube is provided with a spring two inside, and the clamping tube is inserted into the fixed tube and connected with the spring two.
[0014] Again preferably, the clamping tube is a double-section structure comprising an upper section tube and a lower section tube, the upper section tube is rotatably connected with the lower section tube, the inner wall of the clamping tube is provided with a sliding groove and a limiting groove, the sliding groove and the limiting groove are communicated, the limiting groove is located at the front end of the sliding groove, and the upper section tube is provided with a sliding rod, the sliding rod is matched with the sliding groove and the limiting groove.
[0015] Preferably, the lower section tube is provided with a shaft, and the bottom of the upper section tube is rotatably sleeved on the shaft.
[0016] Further preferably, the clamping groove is provided with a shaft sleeve, and the clamping tube is inserted into the shaft sleeve.
[0017] Again preferably, the end of the clamping tube is a convex structure, the side of the convex structure is provided with a plane side, the plane side is used for rotating the upper section tube of the clamping tube, and the rotating angle is 90 degrees.
[0018] Preferably, the cable fixing clamp is made of nylon-POM composite material, and the surface of the cable fixing clamp is provided with anti-skid lines.
[0019] (Three) beneficial effects
[0020] Compared with the prior art, the utility model provides a plastic drag chain convenient to disassemble and assemble, which has the following beneficial effects:
[0021] Improve the disassembly convenience
[0022] The clamping groove and the elastic buckle are designed: the two ends of the chain link unit are provided with clamping grooves, the two ends of the connecting head are provided with elastic buckles, and the elastic buckles are matched with the clamping grooves. This design makes the connection between the chain link units firm and easy to disassemble, greatly improving the convenience of installation and disassembly.
[0023] The clamping tube has a double-section structure: the clamping tube has a double-section structure comprising an upper section tube and a lower section tube, the upper section tube is rotatably connected with the lower section tube, the inner wall of the clamping tube is provided with a sliding groove and a limiting groove, a sliding rod is arranged on the upper section tube, and the sliding rod is matched with the sliding groove and the limiting groove. This design allows the clamping tube to rotate 90 degrees to lock after being inserted into the clamping groove, thereby increasing the stability and reliability of the connection.
[0024] Enhancing cable management efficiency
[0025] Guide rib design: The inner wall of the chain link unit is equipped with guide ribs to form layered cable channels, preventing cables from intertwining and improving cable management efficiency.
[0026] Adjustable cable fixing clamp: The top and bottom of the chain link unit are equipped with cable fixing clamps for clamping cables. The top and bottom of the chain link unit are symmetrically equipped with two sliding openings, and linear slides are installed on the inner walls of the sliding openings. Linear slides are installed on the linear slides, and cable fixing clamps are fixedly installed on the bottom of the linear slides. This design allows the cable fixing clamps to move along the slides, accommodating cables of different lengths and diameters, ensuring that the cables are always in the best position.
[0027] Improving system stability and safety
[0028] Spring design: A spring is provided between the cable fixing clamp and the inner wall of the chain link unit to provide appropriate elasticity, ensuring that the cable fixing clamp can tightly clamp the cable and prevent it from loosening or falling off. At the same time, the spring in the elastic buckle also enhances the stability of the connection.
[0029] Anti-slip design: The cable fixing clamp is made of nylon-POM composite material, and the surface is equipped with anti-slip patterns to enhance the clamping force and ensure that the cable does not slip, further improving the safety and stability of the system.
[0030] Simplify maintenance process
[0031] Modular design: Each component (such as the chain link unit and the connector) is connected through the buckle slot and the elastic buckle, making it easy to disassemble and replace, reducing maintenance costs and time, and improving the maintainability of the equipment.
[0032] Durable material selection: The cable fixing clamp is made of nylon-POM composite material, which has good wear resistance and strength, prolonging the service life of the equipment and reducing the need for frequent replacement.
[0033] Provide multi-functional applications
[0034] Flexible adaptation to various working conditions: This device not only can be used for conventional cable protection, but also can be adjusted according to different working condition requirements. For example, by adjusting the position of the cable fixing clamp, it can adapt to different numbers and diameters of cables, meeting the needs of diversified application scenarios. BRIEF DESCRIPTION OF DRAWINGS
[0035] Figure 1 The schematic diagram of the chain structure of the utility model;
[0036] Figure 2 The schematic diagram of the fixed pipe structure of the utility model;
[0037] Figure 3 It is the schematic diagram of the pipe clamping structure of the utility model;
[0038] Figure 4 It is the schematic diagram of the chain link unit section structure of the utility model;
[0039] In the drawing: 1, chain link unit; 2, connecting head; 3, elastic buckle; 4, guide rib; 5, sliding port; 6, linear slide rail; 7, buckle slot; 8, shaft sleeve; 9, linear slide block; 10, cable fixing clamp; 11, spring one; 12, fixed pipe; 13, pipe clamping; 14, upper section pipe; 15, lower section pipe; 16, shaft rod; 17, sliding rod; 18, sliding groove; 19, limiting slot; 20, spring two; 21, protruding structure; 22, plane edge. DETAILED DESCRIPTION
[0040] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0041] Please refer to Figures 1-4 The utility model discloses a plastic drag chain convenient to disassemble and assemble, which comprises chain link units 1 and connecting heads 2. The two ends of the chain link units 1 are provided with buckle slots 7. The two ends of the connecting heads 2 are provided with elastic buckles 3. The elastic buckles 3 are matched with the buckle slots 7. The inner walls of the chain link units 1 are provided with guide ribs 4, which are used to form layered cable channels. The top ends and the bottoms of the chain link units 1 are slidably provided with cable fixing clamps 10, which are used to clamp cables.
[0042] The plastic drag chain convenient to disassemble and assemble is mainly used for protecting and managing cables or hoses. The drag chain is connected by a plurality of chain link units 1 through connecting heads 2 to form a flexible chain structure. The chain link units 1 are internally provided with guide ribs 4, which are used to form layered cable channels. The top ends and the bottoms of the chain link units 1 are slidably provided with cable fixing clamps 10, which are used to clamp cables.
[0043] Overall working principle
[0044] Modular connection mechanism:
[0045] The chain link units 1 (buckle slots 7 on both sides) and the connecting heads 2 (elastic buckles 3 on both ends) are rotationally locked to realize quick disassembly and assembly.
[0046] Elastic buckle 3 is inserted into the buckle slot 7 and rotated 90°, and the physical locking is realized by the limiting structure (flat edge 22, convex), while the spring-wedge slider system provides anti-vibration compression force.
[0047] Cable fixation and guidance:
[0048] The guide ribs 4 (height difference 0.5-1mm) on the inner wall of the chain link unit 1 form a layered channel, separating different cable diameters and preventing entanglement.
[0049] Cable fixation clamp 10 adjusts the spacing by sliding along the slide rail, and spring 11 provides adaptive clamping force (5-20N) for Φ3-15mm cables.
[0050] Anti-loosening design:
[0051] The two-section rotating structure of elastic buckle 3 (upper section tube 14 and lower section tube 15) allows rotational locking, and the slide rod 17 cooperates with the slide groove 18-limiting groove 19 to prevent reverse rotation loosening.
[0052] Preferred technical solution working principle
[0053] Elastic buckle 3 system
[0054] Two-section buckle pipe 13 structure:
[0055] The upper section tube 14 and the lower section tube 15 are connected by the shaft 16 (lower section tube 15) and the rotating sleeve (upper section tube 14), realizing 90° rotational locking.
[0056] Slide groove 18-slide rod 17 linkage: slide rod 17 of upper section tube 14 slides along slide groove 18 of lower section tube 15, enters limiting groove 19 after locking position, forming mechanical stop.
[0057] Spring return mechanism:
[0058] Spring 20 is built-in in fixed tube 12, and spring 20 is compressed when buckle pipe 13 is inserted, and spring 20 releases tension when buckle pipe 13 is ejected.
[0059] Cable fixation clamp 10 adjustment system
[0060] Slide rail-slide block structure:
[0061] Linear slide rail 6 is installed in slide port 5 of chain link unit 1, and cable fixation clamp 10 slides through linear slide block 9, realizing horizontal position adjustment.
[0062] Spring pre-tightening: spring 11 between cable fixation clamp 10 and the inner wall of chain link unit 1 provides adaptive clamping force.
[0063] Anti-slip and durable design
[0064] Material selection:
[0065] The cable fixing clamp 10 is made of nylon-POM composite material, which has wear resistance and oil resistance.
[0066] The surface anti-skid lines (depth 0.3-0.5mm) increase the friction force and prevent the cable from sliding.
[0067] Detailed work flow
[0068] Chain assembly process
[0069] Alignment insertion: align the elastic buckle 3 of the connector 2 with the buckle slot 7 of the chain unit 1, vertically insert and penetrate the buckle slot 7.
[0070] Rotary locking: rotate the connector 290° clockwise, the slide rod 17 enters the limiting slot 19 along the slide slot 18, and the protrusion of the clamping pipe 13 is attached to the flat side 22 of the inner wall of the shaft sleeve 8.
[0071] Spring compression: the spring pushes the clamping pipe 13 to expand outward, and the wedge-shaped sliding block compresses the root of the clamping pipe 13, and by rotating the upper section pipe 14, the slide rod 17 is clamped into the limiting slot 19 and the spring forms double locking.
[0072] Cable installation process
[0073] Layered wiring: classify the cables according to the wire diameter and embed them into the layered channels formed by the guide ribs 4.
[0074] Adjust the clamping: move the linear slider 9 connected to the cable fixing clamp 10, slide the linear slider 9 to the appropriate wire diameter position, and release the spring self-locking.
[0075] Dismantling process
[0076] Reverse unlocking: rotate the connector 290° counterclockwise, the slide rod 17 is separated from the limiting slot 19 and returns to the slide slot 18, and press the clamping pipe 13 to retract into the fixed pipe 12.
[0077] Vertically pull out: pull out the connector 2 from the chain unit 1, complete the single chain disassembly.
[0078] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A plastic cable chain that is easy to assemble and disassemble, characterized in that, The device includes a link unit (1) and a connector (2). The link unit (1) has a snap-fit groove (7) at both ends, and the connector (2) has an elastic snap (3) at both ends. The elastic snap (3) is adapted to the snap-fit groove (7). The inner wall of the link unit (1) is provided with a guide rib (4). The guide rib (4) is used to form a cable layer channel. The top and bottom of the link unit (1) are slidably installed with cable fixing clips (10). The cable fixing clips (10) are used to clamp the cable.
2. The plastic cable chain for easy assembly and disassembly according to claim 1, characterized in that, The top and bottom of the link unit (1) are symmetrically provided with two sliding openings (5). A linear slide rail (6) is installed on the inner wall of the sliding opening (5). A linear slider (9) is slidably installed on the linear slide rail (6). The cable fixing clamp (10) is fixedly installed at the bottom of the linear slider (9). A spring (11) is provided between the cable fixing clamp (10) and the inner wall of the link unit (1).
3. A plastic cable chain for easy assembly and disassembly according to claim 2, characterized in that, The elastic buckle (3) includes a fixing tube (12) and a clamping tube (13). The fixing tube (12) is provided with a second spring (20). The clamping tube (13) is inserted into the fixing tube (12) and is connected to the second spring (20).
4. A plastic cable chain that is easy to assemble and disassemble according to claim 3, characterized in that, The clamping tube (13) has a two-section structure, including an upper section tube (14) and a lower section tube (15). The upper section tube (14) and the lower section tube (15) are rotatably connected. The inner wall of the clamping tube (13) is provided with a sliding groove (18) and a limiting groove (19), and the sliding groove (18) and the limiting groove (19) are connected. The limiting groove (19) is located at the front end of the sliding groove (18). The upper section tube is provided with a sliding rod (17), and the sliding rod (17) is adapted to the sliding groove (18) and the limiting groove (19).
5. A plastic cable chain for easy assembly and disassembly according to claim 4, characterized in that, The lower section tube (15) is provided with a shaft (16), and the bottom of the upper section tube (14) is rotatably sleeved on the shaft (16).
6. A plastic cable chain for easy assembly and disassembly according to claim 5, characterized in that, A bushing (8) is installed on the buckle groove (7), and the clamp tube (13) is inserted into the bushing (8).
7. A plastic cable chain for easy assembly and disassembly according to claim 6, characterized in that, The end of the clamping tube (13) is a protruding structure (21), and the side of the protruding structure (21) is provided with a flat edge (22), and the flat edge (22) is used for the rotation of the upper section of the clamping tube (13), and the rotation angle is 90 degrees.
8. A plastic cable chain that is easy to assemble and disassemble according to claim 7, characterized in that, The cable clamp (10) is made of nylon-POM composite material, and the surface of the cable clamp (10) is provided with anti-slip texture.