Anti-ultraviolet thermoplastic polyurethane cable

Abstract

The utility model relates to the transmission cable field, and discloses an uvioresistant thermoplastic polyurethane cable comprising a fiber core, the outer wall of the fiber core is provided with a tough sleeve, the tough sleeve comprises a corrugated pipe, the outer walls of the upper and lower sides of the corrugated pipe are fixedly connected with thick pipes, and the thick pipes are fixedly connected with the fiber core. Thin pipes are fixedly connected to the two sides, away from the bottom end of the outer wall of the corrugated pipe, of the thick pipe, a protection layer is fixedly arranged at the bottom end of the outer wall of the end, away from the thick pipe, of each thin pipe and comprises an absorption layer, a waterproof layer is fixedly connected to the bottom end of the outer wall of the absorption layer, and a flame-retardant layer is fixedly connected to the bottom end of the outer wall of the waterproof layer. And the bottom end of the outer wall of the flame-retardant layer is fixedly connected with a thermoplastic sleeve. According to the utility model, the tough sleeve is arranged in the cable, so that a protection effect is added to the interior of the cable, and the surface of the cable can be effectively prevented from being pressed down by a heavy object, so that the fiber core is damaged, and the fiber core cannot transmit signals.

Description

Technical Field

[0001] The utility model relates to the field of transmission cables, in particular to an anti-ultraviolet thermoplastic polyurethane cable. Background Art

[0002] Transmission cables are electrical devices used to transmit electrical signals, power or data. They are widely used in various fields, including telecommunications, Internet, power transmission, automobiles, aerospace, etc.

[0003] Most of the existing cables are cast from thermoplastic polyurethane, which has excellent properties such as wear resistance, resilience, elongation, tensile strength, and tensile modulus. They are widely used in cable sheaths, especially in mobile scenarios, where the advantages of polyurethane sheath materials can be better reflected.

[0004] However, the structural characteristics of polyurethane make it not resistant to hydrolysis or UV rays. If it is exposed to a humid or outdoor environment for a long time, the polyurethane housing material will undergo hydrolysis or UV degradation, resulting in destructive failure, which is potentially dangerous for its application. Therefore, a UV-resistant thermoplastic polyurethane cable is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides an anti-UV thermoplastic polyurethane cable, aiming to improve the problem in the prior art that the polyurethane housing material will undergo hydrolysis or ultraviolet degradation in a humid or outdoor environment for a long time, resulting in destructive failure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an anti-ultraviolet thermoplastic polyurethane cable, comprising a fiber core, the outer wall of the fiber core is provided with a tough sleeve, the tough sleeve comprises a corrugated tube, the outer walls on the upper and lower sides of the corrugated tube are fixedly connected with thick tubes, the two sides of the thick tube away from the bottom end of the outer wall of the corrugated tube are fixedly connected with thin tubes, and the bottom end of the outer wall of one end of the thin tube away from the thick tube is fixedly provided with a protective layer.

[0007] As a further description of the above technical solution:

[0008] The protective layer comprises an absorption layer, the bottom end of the outer wall of the absorption layer is fixedly connected with a waterproof layer, the bottom end of the outer wall of the waterproof layer is fixedly connected with a flame retardant layer, and the bottom end of the outer wall of the flame retardant layer is fixedly connected with a thermoplastic sleeve.

[0009] As a further description of the above technical solution:

[0010] The outer wall of the corrugated tube is fixedly connected to the outer wall of the fiber core.

[0011] As a further description of the above technical solution:

[0012] The outer wall of the corrugated tube is fixedly connected to the inner side wall of the thermoplastic sleeve.

[0013] As a further description of the above technical solution:

[0014] The bottom end of the outer wall of the thin tube is fixedly connected to the inner side wall of the thermoplastic sleeve.

[0015] As a further description of the above technical solution:

[0016] The material used for the absorption layer is UV curing paint.

[0017] As a further description of the above technical solution:

[0018] The material used for the flame retardant layer is aluminum hydroxide.

[0019] The utility model has the following beneficial effects:

[0020] 1. In the present invention, a flexible sleeve is installed inside the cable to add a layer of protection to the inside of the cable, which can effectively prevent the cable surface from being pressed down by heavy objects, thereby causing damage to the fiber core and making it unable to transmit signals.

[0021] 2. In the utility model, by attaching a flame retardant layer and a waterproof layer on the surface, the flame retardant effect and the waterproof effect of the cable can be effectively increased to prevent the cable from being corroded when encountering an open flame or soaked in water, thereby causing damage to the fiber core and making it unusable.

[0022] 3. In the utility model, an absorption layer is provided and UV curing coating is sprayed on its surface. When ultraviolet rays irradiate the coating surface, the photosensitizer inside the curing coating will trigger the rapid curing of the coating to form a solid protective layer, thereby providing an anti-ultraviolet effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is an overall three-dimensional schematic diagram of an anti-ultraviolet thermoplastic polyurethane cable proposed by the utility model;

[0024] Figure 2 The utility model provides a UV-resistant thermoplastic polyurethane cable Figure 1 The enlarged schematic diagram of part A in the middle;

[0025] Figure 3 The utility model is a schematic diagram of the internal structure of the protective layer of an anti-ultraviolet thermoplastic polyurethane cable.

[0026] Legend:

[0027] 1. Fiber core; 2. Tough casing; 21. Corrugated tube; 22. Thick tube; 23. Thin tube; 3. Protective layer; 31. Absorption layer; 32. Waterproof layer; 33. Flame retardant layer; 34. Thermoplastic casing. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-Figure 3 The utility model provides an embodiment: an anti-ultraviolet thermoplastic polyurethane cable, including a fiber core 1, the outer wall of the fiber core 1 is provided with a tough sleeve 2, the tough sleeve 2 includes a corrugated tube 21, the outer wall of the corrugated tube 21 is fixedly connected to the outer wall of the fiber core 1, the shape of the corrugated tube 21 is an inner flower type, so that it can transmit the pressure of the external environment to the arch feet on both sides through its arched surface, so that the overall pressure resistance of the device is better, the outer wall of the corrugated tube 21 is fixedly connected to the inner side wall of the thermoplastic sleeve 34, the thermoplastic sleeve 34 and the fiber core 1 are separated by the corrugated tube 21, so as to provide a firm support between the fiber core 1 and the thermoplastic sleeve 34, the upper and lower sides of the corrugated tube 21 The outer walls of the two sides are fixedly connected with thick tubes 22, and the two sides of the thick tubes 22 away from the bottom end of the outer wall of the corrugated tube 21 are fixedly connected with thin tubes 23. The thin tubes 23 are arranged so that when the thick tube 22 is deformed, the thin tubes 23 can further refine and distribute the pressure, and provide auxiliary support for the curved surface of the thick tube 22. The diameter of the thin tube 23 is smaller than the radius of the thick tube 22. The bottom end of the outer wall of the thin tube 23 is fixedly connected to the inner side wall of the thermoplastic sleeve 34. The bottom end of the outer wall of the thin tube 23 away from the thick tube 22 is fixedly provided with a protective layer 3. The thin tube 23 and the thick tube 22 are arranged in two groups, upper and lower, and can distribute the pressure at the upper and lower ends of the inside of the corrugated tube 21 at the same time.

[0030] The protective layer 3 includes an absorption layer 31. The material used for the absorption layer 31 is UV curing paint. UV curing paint is a special paint that contains ultraviolet-activated photosensitizers. When ultraviolet rays are irradiated to the surface of the paint, the photosensitizers will trigger the rapid curing of the paint to form a solid protective layer, thereby providing an anti-ultraviolet effect. The bottom end of the outer wall of the absorption layer 31 is fixedly connected with a waterproof layer 32. The material used for the waterproof layer 32 is silicone paint, which has excellent weather resistance and water resistance, and can maintain stability in high humidity and humid environments, thereby ensuring the normal use of the cable. The bottom end of the outer wall of the waterproof layer 32 is fixedly connected with a flame retardant layer 33. The material used for the flame retardant layer 33 is aluminum hydroxide, which is often used as a flame retardant. Since it releases moisture at high temperatures, it has the effect of lowering the temperature. The bottom end of the outer wall of the flame retardant layer 33 is fixedly connected with a thermoplastic sleeve 34. The thermoplastic sleeve 34 is a thermoplastic elastomer, usually copolymerized by polyether or polyester and diisocyanate, and has excellent elasticity and flexibility, so that it can return to its original shape after deformation.

[0031] Working principle: When the cable is in use, if a heavy object is pressed on the surface of the cable, the weight will press the thin tube 23 on the inner wall of the thermoplastic sleeve 34 downward to descend on the surface of the thick tube 22, thereby distributing the pressure of the thin tube 23, and the pressure is borne by the bellows 21, and buffered by the thick tube 22 and the thin tube 23 at the other end, thereby increasing the stability of the device to prevent excessive pressure due to gravity, which may easily cause damage to the fiber core 1 and make it unusable.

[0032] At the same time, by setting up the flame retardant layer 33, it can effectively prevent the cable from burning rapidly when encountering an open flame, thereby causing the interruption of the transmission signal and causing unnecessary losses. By attaching the absorption layer 31 on its surface, it can effectively protect against ultraviolet rays to increase the service life of the cable. The waterproof layer 32 has the same effect and can effectively protect the outside of the cable, thereby preventing corrosion on its surface, which can easily cause water to enter the inside of the fiber core 1 and cause signal transmission interruption.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A UV-resistant thermoplastic polyurethane cable, comprising a fiber core (1), characterized in that: The outer wall of the fiber core (1) is provided with a tough sleeve (2), and the tough sleeve (2) comprises a corrugated tube (21); The outer walls of the upper and lower sides of the corrugated tube (21) are fixedly connected to thick tubes (22), the two sides of the thick tube (22) away from the bottom end of the outer wall of the corrugated tube (21) are fixedly connected to thin tubes (23), and the bottom end of the outer wall of one end of the thin tube (23) away from the thick tube (22) is fixedly provided with a protective layer (3).

2. The UV-resistant thermoplastic polyurethane cable according to claim 1, characterized in that: The protective layer (3) comprises an absorption layer (31); The bottom end of the outer wall of the absorption layer (31) is fixedly connected to a waterproof layer (32), the bottom end of the outer wall of the waterproof layer (32) is fixedly connected to a flame retardant layer (33), and the bottom end of the outer wall of the flame retardant layer (33) is fixedly connected to a thermoplastic sleeve (34).

3. The UV-resistant thermoplastic polyurethane cable according to claim 1, characterized in that: The outer wall of the corrugated tube (21) is fixedly connected to the outer wall of the fiber core (1).

4. The UV-resistant thermoplastic polyurethane cable according to claim 1, characterized in that: The outer wall of the corrugated tube (21) is fixedly connected to the inner side wall of the thermoplastic sleeve (34).

5. The UV-resistant thermoplastic polyurethane cable according to claim 1, characterized in that: The bottom end of the outer wall of the thin tube (23) is fixedly connected to the inner side wall of the thermoplastic sleeve (34).

6. The UV-resistant thermoplastic polyurethane cable according to claim 2, characterized in that: The material used for the absorption layer (31) is UV curing paint.

7. The UV-resistant thermoplastic polyurethane cable according to claim 2, characterized in that: The material used for the flame retardant layer (33) is aluminum hydroxide.

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