A crochet cord structure having an anticorrosion coating

Abstract

This utility model discloses a crochet rope structure with an anti-corrosion coating, comprising a crochet rope body, which includes a core layer, a reinforcing braid layer, a buffer layer, and a coating layer, arranged sequentially from the inside out. The coating layer includes a base layer, an intermediate layer, and a top layer. The base layer is located inside the intermediate layer and is made of an epoxy resin and nano-clay composite material. The intermediate layer is located inside the top layer and is made of epoxy zinc-rich coating. The top layer is made of epoxy glass flake coating. The surface of the coating layer is coated with a fluorocarbon topcoat. This structure achieves corrosion resistance, increases practicality, and solves the problem that crochet ropes often face environmental erosion during use, leading to decreased rope strength, fiber breakage, and reduced service life.

Description

Technical Field

[0001] This utility model relates to the field of crochet rope technology, specifically to a crochet rope structure with an anti-corrosion coating. Background Technology

[0002] Crocheted rope is a type of rope made by crocheting or twisting, with or without a core. It is widely used in military, aerospace, sports, leisure, work, aquaculture, labor protection, protection, agricultural aquaculture, marine fishing and other fields. With the continuous progress and development of society, the application of crocheted rope is becoming more and more widespread.

[0003] For example, the authorized patent with announcement number CN211547066U (a waterproof and dustproof crocheted rope): includes a protective device. This utility model sets a protective device on the inside of the rope skin, and attaches the dustproof net and the adhesive pad to prevent external dust from corroding. When the user holds the rope skin, the sweat stains generated are absorbed by the sweat-absorbing layer, and then the composite waterproof coating on the inner diameter of the sponge layer isolates external water from further corroding the internal area of ​​the crocheted rope. Then, the polypropylene multifilament fiber and the covering layer are sewn together to facilitate the initial protection of the elastic rope core. The elastic rope core is covered with a rope sleeve to facilitate further protection of the elastic rope core. The elastic rope core is fixed to the inner wall of the covering layer by the first and second reinforcing bands at the upper and lower ends of the outer rope sleeve, which facilitates the limiting of the elastic rope core.

[0004] While the aforementioned existing technologies offer the beneficial effects of preventing corrosion from external water and dust and extending the service life of crocheted ropes, they lack an anti-corrosion structure. Consequently, crocheted ropes often face various environmental erosions during use, leading to decreased rope strength, fiber breakage, and reduced service life, resulting in poor practicality. Therefore, the market urgently needs to develop a crocheted rope structure with an anti-corrosion coating to help people solve the existing problems. Utility Model Content

[0005] The purpose of this invention is to provide a crochet rope structure with an anti-corrosion coating to solve the problem mentioned in the background art that crochet ropes often face various environmental erosions during use, leading to a decrease in rope strength, fiber breakage, and affecting the service life of the crochet rope.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a crochet rope structure with an anti-corrosion coating, comprising a crochet rope body, the crochet rope body comprising a core layer, a reinforcing braiding layer, a buffer layer and a coating layer, the core layer, the reinforcing braiding layer, the buffer layer and the coating layer being arranged sequentially from the inside to the outside, the coating layer comprising a base layer, an intermediate layer and a surface layer, the base layer being disposed inside the intermediate layer, the base layer being made of an epoxy resin and nano-clay composite material, the intermediate layer being disposed inside the surface layer, the intermediate layer being an epoxy zinc-rich coating, and the surface layer being an epoxy glass flake coating.

[0007] Preferably, the surface of the coating is coated with a fluorocarbon topcoat.

[0008] Preferably, the core layer is composed of multiple elastic cores, which are spirally wound together, and aramid fibers are filled between the core layer and the reinforcing braided layer.

[0009] Preferably, the reinforcing braided layer includes an inner reinforcing layer and an outer reinforcing layer, the inner reinforcing layer is disposed inside the outer reinforcing layer, the inner reinforcing layer is woven from polyaryl ester fibers, and the outer reinforcing layer is woven from polytetrafluoroethylene fibers.

[0010] Preferably, the buffer layer is a thermoplastic elastomer, and a plurality of hollow glass microspheres are mixed into the thermoplastic elastomer, wherein the hollow glass microspheres are filled with nitrogen gas.

[0011] Preferably, a rope sleeve is provided on the outer side of the coating of the crocheted rope body, and the rope sleeve is made of ultra-high molecular weight polyethylene woven sleeve.

[0012] Preferably, the outer surface of the crocheted rope body is provided with a diamond-like carbon coating.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] (1) This utility model adopts a multi-layer composite anti-corrosion coating design, including a base layer made of epoxy resin and nano clay composite material, an intermediate layer made of epoxy zinc-rich coating, and a surface layer made of epoxy glass flake coating. These three coatings work together to form a protective barrier, effectively resisting the erosion of the external environment. This solves the problem of strength reduction and fiber breakage caused by corrosion in traditional crocheted ropes, and also greatly extends the service life of the rope, reduces the replacement frequency and maintenance cost, improves the practicality and economy of crocheted ropes, and increases its usability.

[0015] (2) By setting up an enhanced braiding layer, including an inner reinforcing layer woven from polyarylate fiber and an outer reinforcing layer woven from polytetrafluoroethylene fiber, the double reinforcing layer structure enables the crochet rope to have higher mechanical properties and corrosion resistance. This combination of internal and external reinforcement not only optimizes mechanical properties but also improves chemical corrosion resistance and increases practicality.

[0016] (3) The present invention uses a thermoplastic elastomer with hollow glass microspheres in the buffer layer to make the crochet rope have good shock absorption and energy absorption capabilities, so that it can effectively disperse stress when subjected to impact or vibration and prevent internal fiber breakage. The addition of nitrogen-filled hollow glass microspheres improves the heat insulation performance, so that the crochet rope can still maintain flexibility in high or low temperature environments, and increases its practicality. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a crocheted rope structure with an anti-corrosion coating according to the present invention;

[0018] Figure 2 This is a cross-sectional view of the crocheted rope body of this utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the reinforcing braided layer of this utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the coating of this utility model.

[0021] In the diagram: 1. Crochet rope body; 2. Core layer; 201. Elastic core; 3. Reinforcing braid layer; 301. Inner reinforcing layer; 302. Outer reinforcing layer; 4. Buffer layer; 5. Coating; 501. Base layer; 502. Intermediate layer; 503. Surface layer; 6. Rope sheath. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1-4 The present invention provides an embodiment of a crocheted rope structure with an anti-corrosion coating, comprising a crocheted rope body 1, the crocheted rope body 1 comprising a core layer 2, a reinforcing braiding layer 3, a buffer layer 4, and a coating 5, the core layer 2, the reinforcing braiding layer 3, the buffer layer 4, and the coating 5 being arranged sequentially from the inside to the outside, the coating 5 comprising a base layer 501, an intermediate layer 502, and a surface layer 503, the base layer 501 being disposed inside the intermediate layer 502, the base layer 501 being made of an epoxy resin and nano-clay composite material, the intermediate layer 502 being disposed inside the surface layer 503, the intermediate layer 502 being an epoxy zinc-rich coating, and the surface layer 503 being an epoxy glass flake coating.

[0024] A protective barrier is formed by setting up a base layer 501 made of epoxy resin and nano-clay composite material, an intermediate layer 502 made of epoxy zinc-rich coating, and a top layer 503 made of epoxy glass flake coating. The base layer 501 is made of epoxy resin and nano-clay composite material, which not only has excellent adhesion and density, but also effectively prevents the initial penetration of corrosive media, building the first line of defense for the internal structure of the rope. The intermediate layer 502 uses epoxy zinc-rich coating, which utilizes the sacrificial anode protection of zinc to further enhance the anti-corrosion performance of the coating. Even if there is minor damage to the base layer, it can effectively slow down the corrosion process. The top layer 503 uses epoxy glass flake coating. Its unique flake structure can significantly increase the path length of corrosive media penetration, thereby providing an additional physical barrier to protect the rope from external environmental erosion. This solves the problem of strength reduction and fiber breakage caused by corrosion in traditional crocheted ropes, and also greatly extends the service life of the rope, reduces the frequency of replacement and maintenance costs, and improves the practicality and economy of crocheted ropes.

[0025] Please see Figure 2 The surface of coating 5 is coated with fluorocarbon topcoat.

[0026] The application of fluorocarbon topcoat further enhances the weather resistance and corrosion resistance of crocheted ropes. Fluorocarbon coatings have extremely strong chemical inertness, resisting the erosion of harsh environments such as ultraviolet rays, acid rain, and salt spray, preventing coating aging, chalking, or fading, thus maintaining the rope's appearance and functionality for a long time. Furthermore, the low surface energy of fluorocarbon topcoat gives it excellent self-cleaning properties, reducing the adhesion of dirt and chemicals and lowering maintenance difficulty. Compared to ordinary coatings, fluorocarbon topcoat has a wider temperature resistance range, making it suitable for high-temperature or extremely cold environments, greatly expanding the application scenarios of crocheted ropes. At the same time, the excellent abrasion resistance of fluorocarbon topcoat reduces coating wear caused by friction, extending the service life of the overall protective layer, allowing the rope to maintain excellent corrosion resistance even after long-term use.

[0027] Please see Figure 2 The core layer 2 is composed of multiple elastic cores 201, which are spirally wound together. Aramid fibers are filled between the core layer 2 and the reinforcing braided layer 3.

[0028] The spirally wound elastic core 201 structure gives the core layer 2 flexibility and fatigue resistance, making it less prone to breakage when repeatedly bent or stretched, thus improving the durability of the crochet rope. The aramid fiber filling layer not only enhances the bonding force between the core layer 2 and the reinforcing braid layer 3, but also further improves the impact resistance and shear resistance, preventing damage to the internal structure due to uneven stress. The high strength and low elongation characteristics of aramid fiber can effectively disperse stress and avoid fiber breakage caused by local stress concentration, thereby extending the overall life of the crochet rope and improving its safety and reliability.

[0029] Please see Figure 3 The reinforcing braided layer 3 includes an inner reinforcing layer 301 and an outer reinforcing layer 302. The inner reinforcing layer 301 is disposed inside the outer reinforcing layer 302. The inner reinforcing layer 301 is woven from polyarylate fiber filaments, and the outer reinforcing layer 302 is woven from polytetrafluoroethylene fiber.

[0030] The double-reinforcement structure gives the crochet rope higher mechanical properties and corrosion resistance. The inner reinforcement layer 301, woven from polyarylate fibers, has extremely high tensile strength and modulus, and can withstand large loads without deformation, ensuring that the crochet rope can maintain structural stability under heavy load conditions. The outer reinforcement layer 302, woven from polytetrafluoroethylene fibers, has excellent chemical inertness and can resist the erosion of acids, alkalis, oils and organic solvents, preventing corrosive media from penetrating into the internal structure. This combination of internal and external reinforcement optimizes mechanical properties and improves chemical corrosion resistance, increasing practicality.

[0031] Please see Figure 2 The buffer layer 4 is made of thermoplastic elastomer, and several hollow glass microspheres are mixed into the thermoplastic elastomer. The hollow glass microspheres are filled with nitrogen gas.

[0032] The thermoplastic elastomer buffer layer 4 gives the crochet rope excellent shock absorption and energy absorption capabilities, enabling it to effectively disperse stress when subjected to impact or vibration and prevent internal fiber breakage. The addition of nitrogen-filled hollow glass microspheres enhances the thermal insulation performance, allowing the crochet rope to maintain its flexibility in high or low temperature environments. Furthermore, the rigid structure of the glass microspheres strengthens the compressive strength of the buffer layer, improving the service life and reliability of the crochet rope.

[0033] Please see Figure 2 The outer side of the coating 5 of the crocheted rope body 1 is provided with a rope sleeve 6, which is made of ultra-high molecular weight polyethylene woven sleeve.

[0034] Ultra-high molecular weight polyethylene has extremely high wear resistance and cut resistance, which can effectively protect the coating from wear and scratches from the external environment and extend the service life of the coating. At the same time, the rope loop 6 also provides an additional protective layer for the crocheted rope, preventing the crocheted rope from being punctured or cut by sharp objects during use, thus improving the overall safety and reliability of the rope.

[0035] Please see Figure 2 The outer surface of the crocheted rope body 1 is coated with a diamond-like carbon film.

[0036] Diamond-like carbon coating has extremely high hardness and excellent wear resistance, forming a hard protective film on the surface of crocheted rope. This film effectively resists wear and scratches from the external environment. This protective film not only improves the durability of the crocheted rope, but also allows the rope to maintain a good appearance and performance during long-term use, reducing the problem of strength loss and fiber breakage caused by wear, thereby extending the service life of the crocheted rope.

[0037] Working Principle: During use, the four-layer structure from the inside out in the crocheted rope body 1 forms a synergistic protective structure. The spirally wound elastic core 201 constitutes the flexible core layer 2, which, together with the aramid fiber filling, ensures that the rope has good flexibility and fatigue resistance. In the double-reinforced braided layer 3, the inner reinforcement layer 301 uses high-strength polyaramid fiber to provide the main load-bearing support, and the outer reinforcement layer 302 uses polytetrafluoroethylene fiber to form a chemical protective barrier. The thermoplastic elastomer buffer layer 4 effectively absorbs impact energy through the hollow glass microsphere structure, and the base layer 501 uses epoxy resin and nano clay composite material to form a dense barrier layer. The middle layer 502 uses epoxy zinc-rich coating to provide electrochemical protection, and the surface layer 503 uses epoxy glass flake coating to build a physical barrier. The synergistic effect of the three layers greatly extends the penetration path of corrosive media. The fluorocarbon topcoat on the surface enhances weather resistance, and the ultra-high molecular weight polyethylene rope sheath 6 provides mechanical protection, improving the service life and reliability of the crocheted rope.

[0038] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A macrame cord structure having an anticorrosive coating, comprising a macrame cord body (1), characterized in that: The crocheted rope body (1) includes a core layer (2), a reinforcing braided layer (3), a buffer layer (4), and a coating layer (5). The core layer (2), the reinforcing braided layer (3), the buffer layer (4), and the coating layer (5) are arranged sequentially from the inside to the outside. The coating layer (5) includes a base layer (501), an intermediate layer (502), and a surface layer (503). The base layer (501) is located inside the intermediate layer (502), and the intermediate layer (502) is located inside the surface layer (503). The intermediate layer (502) is an epoxy zinc-rich coating, and the surface layer (503) is an epoxy glass flake coating.

2. A macrame cord structure having an anti-corrosion coating according to claim 1, characterized in that: The surface of the coating (5) is coated with fluorocarbon topcoat.

3. A macrame cord structure having an anti-corrosion coating according to claim 1, characterized in that: The core layer (2) is composed of multiple elastic cores (201), which are spirally wound together. Aramid fibers are filled between the core layer (2) and the reinforcing braided layer (3).

4. The crocheted rope structure having an anti-corrosion coating according to claim 1, wherein: The reinforcing braided layer (3) includes an inner reinforcing layer (301) and an outer reinforcing layer (302). The inner reinforcing layer (301) is disposed inside the outer reinforcing layer (302). The inner reinforcing layer (301) is woven from polyarylate fiber filaments, and the outer reinforcing layer (302) is woven from polytetrafluoroethylene fiber.

5. The crocheted rope structure having an anti-corrosion coating according to claim 1, wherein: The buffer layer (4) is made of thermoplastic elastomer and contains a number of hollow glass microspheres filled with nitrogen gas.

6. The crocheted rope structure with an anti-corrosion coating according to claim 1, characterized in that: The outer side of the coating (5) of the crocheted rope body (1) is provided with a rope sleeve (6), which is made of ultra-high molecular weight polyethylene woven sleeve.

7. A macrame cord structure having an anti-corrosion coating according to claim 5, characterized in that: The outer surface of the crocheted rope body (1) is provided with a diamond-like carbon coating.

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