Bending-resistant and flame-retardant communication cable

Abstract

The utility model relates to the field of communication cables, in particular to an anti-bending flame-retardant communication cable. The technical problems that in the using process of a communication cable, internal deformation is easily caused and the service life is shortened due to the fact that the communication cable is bent easily due to the gravity of the communication cable or external factors, and property loss is caused due to the fact that the communication cable is possibly ignited due to external fire or internal short circuit in the long-term using process are solved. According to the technical scheme, the anti-bending flame-retardant communication cable comprises a flame-retardant sheath; the device further comprises an anti-bending assembly and a spring sleeve. According to the utility model, the use bending resistance of the cable is improved through the bending-resistant assembly, so that the cable is effectively prevented from being subjected to overlarge pressure and stress in the bending or twisting process, wires and an insulating layer in the cable are protected from being damaged, the structural integrity of the cable is ensured, the stability and reliability of the transmission quality of the cable are improved, and the service life of the cable is prolonged. And meanwhile, the risk of cable damage is reduced.

Description

Technical Field

[0001] The utility model relates to the field of communication cables, in particular to a bending-resistant and flame-retardant communication cable. Background Art

[0002] Communication cables, also known as communication cables, are professional cables for transmitting communication signals. They are mainly used in short-distance audio communications and long-distance high-frequency carrier and digital communications and signal transmission fields. Communication lines not only cover a very wide range, but also have many types. Communication cables are equivalent to the transmission paths of two large transmission systems. However, existing communication cables are easily bent due to their own gravity or external factors during use, which can easily lead to internal deformation and reduce their service life. In addition, they may be ignited due to external fire or internal short circuit during long-term use, thereby causing property loss. Utility Model Content

[0003] In order to overcome the problem that communication cables are easily bent due to their own gravity or external factors during use, which can easily lead to internal deformation and reduce their service life, and may be ignited due to external fire or internal short circuit during long-term use, thus causing property loss.

[0004] The technical solution of the utility model is: a bending-resistant and flame-retardant communication cable, including a flame-retardant sheath; it also includes a bending-resistant component and a spring sleeve. The interior of the flame-retardant sheath is provided with a bending-resistant component for improving the bending resistance and flame-retardancy of the cable, and the outer side of the flame-retardant sheath is sleeved with a spring sleeve for bending resistance.

[0005] Preferably, the bending resistance of the cable is improved by an anti-bending component, thereby effectively preventing the cable from being subjected to excessive pressure and stress during bending or twisting, thereby protecting the wires and insulation layer inside the cable from damage, ensuring the structural integrity of the cable, and improving the stability and reliability of the cable transmission quality, while reducing the risk of cable damage.

[0006] Preferably, the anti-bending component includes an anti-bending screw rod, a shielding net, a polyester transparent film, an aluminum foil shielding film, a plastic-coated aluminum tape, a loose tube, an optical fiber, a foam filler, and a reinforcing core, and a plurality of anti-bending screw rods are symmetrically arranged inside the center of the flame-retardant sheath.

[0007] Preferably, a shielding net is symmetrically arranged at the center of the bottom end of the anti-bending screw rod, and a polyester transparent film is symmetrically arranged at the center of the bottom end of the shielding net.

[0008] Preferably, an aluminum foil shielding film is symmetrically arranged at the bottom end of the polyester transparent film, and a plastic-coated aluminum tape is arranged at the bottom end of the aluminum foil shielding film.

[0009] Preferably, five groups of loose tubes are symmetrically arranged at the bottom of the plastic-coated aluminum strip, and five groups of optical fibers are symmetrically arranged inside the loose tubes.

[0010] Preferably, a foam filler is provided between the optical fiber and the loose tube, a reinforcing core is provided at a middle position inside the flame retardant sheath, and the reinforcing core is provided between the loose tubes.

[0011] 1. The bending resistance of the cable is improved by anti-bending components, which effectively prevents the cable from being subjected to excessive pressure and stress during bending or twisting, thereby protecting the wires and insulation layer inside the cable from damage, ensuring the structural integrity of the cable, and improving the stability and reliability of the cable transmission quality, while reducing the risk of cable damage;

[0012] 2. The communication cable is supported by the cooperation between the internal reinforcing core, loose tube, shielding net and aluminum foil shielding film, thereby improving the bending resistance of the communication cable during use, preventing internal deformation caused by natural bending, and thus improving the stability and reliability of the cable transmission quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Shown is a first three-dimensional structural schematic diagram of the bending-resistant and flame-retardant communication cable of the utility model;

[0014] Figure 2 Shown is a second three-dimensional structural schematic diagram of the bending-resistant and flame-retardant communication cable of the utility model;

[0015] Figure 3 Shown is a third three-dimensional structural schematic diagram of the bending-resistant and flame-retardant communication cable of the utility model;

[0016] Figure 4 Shown is a schematic diagram of the three-dimensional structure of the bending-resistant and flame-retardant communication cable compression assembly of the present invention.

[0017] Explanation of the accompanying drawings: 1. Flame retardant sheath; 2. Anti-bending component; 201. Anti-bending screw rod; 202. Shielding net; 203. Polyester transparent film; 204. Aluminum foil shielding film; 205. Plastic-coated aluminum tape; 206. Loose tube; 207. Optical fiber; 208. Foam filler; 209. Reinforcement core; 3. Spring sleeve. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] See also Figure 1The utility model provides an embodiment: a bending-resistant and flame-retardant communication cable, comprising a flame-retardant sheath 1; further comprising a bending-resistant component 2 and a spring sleeve 3. The interior of the flame-retardant sheath 1 is provided with a bending-resistant component 2 for improving the bending resistance and flame-retardancy of the cable, and the outer side of the flame-retardant sheath 1 is sleeved with a spring sleeve 3 for bending resistance. The bending-resistant performance of the cable is improved by the bending-resistant component 2, thereby effectively preventing the cable from being subjected to excessive pressure and stress during bending or twisting, thereby protecting the wires and insulation layer inside the cable from damage, ensuring the structural integrity of the cable, and improving the stability and reliability of the cable transmission quality, while reducing the risk of cable damage.

[0020] See also Figure 2-4 In this embodiment, the anti-bending component 2 includes an anti-bending screw rod 201, a shielding net 202, a polyester transparent film 203, an aluminum foil shielding film 204, a plastic-coated aluminum tape 205, a loose tube 206, an optical fiber 207, a foam filler 208, and a reinforcing core 209. A plurality of anti-bending screw rods 201 are symmetrically arranged at the center of the flame retardant sheath 1; a shielding net 202 is symmetrically arranged at the center of the bottom end of the anti-bending screw rod 201, and a polyester transparent film 203 is symmetrically arranged at the center of the bottom end of the shielding net 202; an aluminum foil shielding film 204 is symmetrically arranged at the center of the bottom end of the polyester transparent film 203, and a plastic-coated aluminum tape 205 is arranged at the bottom end of the aluminum foil shielding film 204; the plastic-coated aluminum Five groups of loose tubes 206 are symmetrically arranged at the bottom center of the belt 205, and five groups of optical fibers 207 are symmetrically arranged inside the loose tubes 206; a foam filler 208 is arranged between the optical fiber 207 and the loose tubes 206, a reinforcing core 209 is arranged at the middle position inside the flame retardant sheath 1, and the reinforcing core 209 is arranged between the loose tubes 206, and the communication cable is supported by the cooperation between the internal reinforcing core 209, the loose tubes 206, the shielding net 202, and the aluminum foil shielding film 204, thereby improving the bending resistance of the communication cable during use, preventing internal deformation caused by natural bending, and then improving the stability and reliability of the cable transmission quality.

[0021] When the communication cable is in use, the cooperation between the internal reinforcing core 209, the loose tube 206, the shielding net 202 and the aluminum foil shielding film 204 supports the communication cable, thereby improving the bending resistance of the communication cable during use, preventing internal deformation caused by natural bending, and thus improving the stability and reliability of the cable transmission quality. At the same time, when the cable and the connector are connected, the spring sleeve 3 can be sleeved on the cable and the connector to protect the cable at the connection, reduce internal deformation and fracture caused by cable bending, and at the same time, the cooperation between the foam filler 208 and the flame retardant sheath 1 improves the flame retardancy of the communication cable and reduces the fire hazard.

[0022] Through the above steps, the anti-bending component 2 improves the bending resistance of the cable, thereby effectively preventing the cable from being subjected to excessive pressure and stress during bending or twisting, thereby protecting the wires and insulation layer inside the cable from damage, ensuring the structural integrity of the cable, and improving the stability and reliability of the cable transmission quality, while reducing the risk of cable damage.

[0023] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A bending-resistant and flame-retardant communication cable, comprising a flame-retardant sheath (1); characterized in that: The invention also comprises an anti-bending component (2) and a spring sleeve (3); the interior of the flame-retardant sheath (1) is provided with an anti-bending component (2) for improving the bending resistance and flame retardancy of the cable; the outer side of the flame-retardant sheath (1) is sleeved with a spring sleeve (3) for anti-bending; the anti-bending component (2) comprises an anti-bending screw rod (201), a shielding net (202), a polyester transparent film (203), an aluminum foil shielding film (204), a plastic-coated aluminum tape (205), a loose tube (206), an optical fiber (207), a foam filler (208), and a reinforcing core (209); a plurality of anti-bending screw rods (201) are symmetrically arranged in the center of the flame-retardant sheath (1).

2. The anti-bending flame-retardant communication cable according to claim 1, characterized in that: A shielding net (202) is symmetrically arranged at the center of the bottom end of the anti-bending screw rod (201), and a polyester transparent film (203) is symmetrically arranged at the center of the bottom end of the shielding net (202).

3. The anti-bending flame-retardant communication cable according to claim 2, characterized in that: An aluminum foil shielding film (204) is symmetrically arranged at the center of the bottom end of the polyester transparent film (203), and a plastic-coated aluminum tape (205) is arranged at the bottom end of the aluminum foil shielding film (204).

4. The anti-bending flame-retardant communication cable according to claim 3, characterized in that: Five groups of loose tubes (206) are symmetrically arranged at the bottom of the plastic-coated aluminum strip (205), and five groups of optical fibers (207) are symmetrically arranged inside the loose tubes (206).

5. The anti-bending flame-retardant communication cable according to claim 4, characterized in that: A foam filler (208) is arranged between the optical fiber (207) and the loose tube (206), a reinforcing core (209) is arranged at a middle position inside the flame retardant sheath (1), and the reinforcing core (209) is arranged between the loose tubes (206).

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