High-strength auxiliary metal chain

Abstract

The high-strength auxiliary metal chain comprises an internal metal body, a protective layer structure is arranged on the outer side of the metal body, an anti-corrosion structure is arranged on the outer side of the protective layer structure, an anti-wear structure is arranged on the outer side of the anti-corrosion structure, and a temperature-resistant structure is arranged on the outer side of the anti-wear structure. The protective layer structure comprises a metal protective film and a metal oxide film which are arranged in sequence, and the metal protective film is close to the metal body; the anti-corrosion structure comprises an acid zinc coating and a nickel alloy coating which are arranged in sequence, and the acid zinc coating is close to the metal oxide film; the wear-resistant structure comprises a wear-resistant ceramic layer and a polyester film layer, and the wear-resistant ceramic layer is close to the nickel alloy plating layer. The chain provided by the utility model has the characteristics of high structural strength, strong corrosion resistance, high temperature resistance and wide application range.

Description

Technical Field

[0001] The utility model relates to the technical field of chains, in particular to a high-strength auxiliary metal chain. Background Art

[0002] A chain is generally a metal link or loop, and is mostly used for mechanical transmission and traction. A chain-shaped object used to block a traffic passage (such as in a street, at the entrance of a river or a harbor), and a chain used for mechanical transmission.

[0003] The existing chain has low structural strength, and is prone to problems such as being corroded, embrittled by high temperature, etc., and has a short service life. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a high-strength auxiliary metal chain, which has high structural strength, strong corrosion resistance, and also has the characteristics of high temperature resistance and wide application range.

[0005] To solve the above technical problems, the utility model provides a high-strength auxiliary metal chain, which includes a metal body inside. A protective layer structure is arranged outside the metal body, an anti-corrosion structure is arranged outside the protective layer structure, an anti-wear structure is arranged outside the anti-corrosion structure, and a temperature-resistant structure is arranged outside the anti-wear structure; the protective layer structure includes a metal protective film and a metal oxide film arranged in sequence, and the metal protective film is close to the metal body; the anti-corrosion structure includes an acidic zinc coating and a nickel alloy coating arranged in sequence, and the acidic zinc coating is close to the metal oxide film; the anti-wear structure includes a wear-resistant ceramic layer and a polyester film layer, and the wear-resistant ceramic layer is close to the nickel alloy coating.

[0006] Further, the temperature-resistant structure adopts a nano-coating.

[0007] Further, the nano-coating adopts a zirconia structure, and the nano-zirconia composition phase or crystal grain structure is below 100 nm.

[0008] Further, the thicknesses of both the wear-resistant ceramic layer and the polyester film coating are 0.4 - 1.2 mm.

[0009] Further, the thicknesses of both the acidic zinc coating and the nickel alloy coating are 0.02 - 0.03 mm.

[0010] Further, the thicknesses of both the metal protective film and the metal oxide film are 0.02 - 0.03 mm.

[0011] Advantages of the present utility model: In this structure, the nano - coating adopts a zirconia structure. The composition phase or crystal structure of nano - zirconia is below 100 nm, with a smooth and dense surface. Particles above 200 mesh cannot be adsorbed on the coating surface, and even water molecules are difficult to adsorb. That is, the outermost first layer protects the overall chain structure; the wear - resistant ceramic layer and the polyester film coating, the former provides wear - resistance effect, and the latter provides scratch - resistance effect; the acidic zinc coating and the nickel alloy coating improve the corrosion resistance of the chain; the metal protective film and the metal oxide film prevent rust. Description of the Drawings

[0012] Figure 1 It is a schematic diagram of the external structure of the present utility model.

[0013] Figure 2 It is a schematic diagram of the internal structure of the present utility model.

[0014] Explanation of the reference numerals in the figure: 1. Metal body; 2. Metal protective film; 3. Metal oxide film; 4. Acidic zinc coating; 5. Nickel alloy coating; 6. Wear - resistant ceramic layer; 7. Polyester film layer; 8. Nano - coating. Detailed Embodiment

[0015] The following further illustrates the present utility model in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the present utility model and implement it, but the embodiments cited do not limit the present utility model.

[0016] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counter - clockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present utility model.

[0017] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0018] In the present utility model, unless otherwise clearly defined, terms such as "installation", "connection", "linkage", "fixation" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral one; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the internal communication between two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0019] In the present utility model, unless otherwise clearly defined, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0020] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation.

[0021] Refer to Figures 1 to 2 As shown, an embodiment of a high-strength auxiliary metal chain of the present utility model includes a metal body 1 inside. A protective layer structure is provided outside the metal body 1. An anti-corrosion structure is provided outside the protective layer structure. An anti-wear structure is provided outside the anti-corrosion structure. A temperature-resistant structure is provided outside the anti-wear structure. The protective layer structure includes a metal protection film 2 and a metal oxide film 3 arranged in sequence. The metal protection film 2 is close to the metal body 1. The anti-corrosion structure includes an acidic zinc coating 4 and a nickel alloy coating 5 arranged in sequence. The acidic zinc coating 4 is close to the metal oxide film 3. The anti-wear structure includes a wear-resistant ceramic layer 6 and a polyester film layer 7. The wear-resistant ceramic layer 6 is close to the nickel alloy coating 5. The temperature-resistant structure adopts a nano-coating 8.

[0022] The nano-coating 8 adopts a zirconia structure. The nano-zirconia constituent phase or grain structure is below 100 nm, with a smooth and dense surface. Particles above 200 mesh cannot be adsorbed on the coating surface, and even water molecules are difficult to adsorb, that is, the outermost first layer protects the overall chain structure; the thicknesses of the wear-resistant ceramic layer 6 and the polyester film coating are both 0.4 - 1.2 mm, with the former providing wear resistance and the latter providing scratch resistance; the thicknesses of the acidic zinc plating layer 4 and the nickel alloy plating layer 5 are both 0.02 - 0.03 mm, improving the corrosion resistance of the chain; the thicknesses of the metal protective film 2 and the metal oxide film 3 are both 0.02 - 0.03 mm, preventing rust.

[0023] The above-described embodiments are only preferred embodiments cited to fully illustrate the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present invention are within the protection scope of the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. A high-strength auxiliary metal chain, characterized in that: It comprises an internal metal body (1), the metal body (1) is provided with a protective layer structure on the outside, the protective layer structure is provided with an anti-corrosion structure on the outside, the anti-corrosion structure is provided with an anti-wear structure on the outside, and the anti-wear structure is provided with a temperature-resistant structure on the outside; The protective layer structure comprises a metal protective film (2) and a metal oxide film (3) arranged in sequence, wherein the metal protective film (2) is close to the metal body (1); the anti-corrosion structure comprises an acid zinc coating (4) and a nickel alloy coating (5) arranged in sequence, wherein the acid zinc coating (4) is close to the metal oxide film (3); the anti-wear structure comprises a wear-resistant ceramic layer (6) and a polyester film layer (7), wherein the wear-resistant ceramic layer (6) is close to the nickel alloy coating (5).

2. The high-strength auxiliary metal chain according to claim 1, characterized in that: The temperature-resistant structure adopts a nano coating (8).

3. The high-strength auxiliary metal chain according to claim 2, characterized in that: The nano coating (8) adopts a zirconium oxide structure, and the nano zirconium oxide constituent phase or grain structure is below 100 nm.

4. The high-strength auxiliary metal chain according to claim 1, characterized in that: The thickness of the wear-resistant ceramic layer (6) and the polyester film coating are both 0.4-1.2 mm.

5. The high-strength auxiliary metal chain according to claim 1, characterized in that: The thickness of the acid zinc coating (4) and the nickel alloy coating (5) are both 0.02-0.03 mm.

6. The high-strength auxiliary metal chain according to claim 1, characterized in that: The thickness of the metal protective film (2) and the metal oxide film (3) are both 0.02-0.03 mm.

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