Anti-freezing cold-resistant communication cable

Abstract

The utility model discloses an anti-freezing cold-resistant communication cable which comprises a communication wire core, the outer side of the communication wire core is fixedly connected with a shielding layer, the outer side of the shielding layer is fixedly connected with a first heat preservation layer, the outer side of the first heat preservation layer is fixedly connected with a reinforcing layer, and the outer side of the reinforcing layer is fixedly connected with a second heat preservation layer. A protective sleeve is fixedly connected to the outer side of the second heat preservation layer, a reinforcing rod is arranged on the inner side of the second heat preservation layer, the first heat preservation layer is made of polystyrene foam plastic materials, the second heat preservation layer is made of rubber materials, and the reinforcing layer is of a wave-shaped structure. By arranging the first heat preservation layer, the reinforcing layer, the second heat preservation layer, the reinforcing rod and the protective sleeve, the first heat preservation layer and the second heat preservation layer can improve the anti-freezing performance of the cable conveniently, by means of the wavy reinforcing layer and the reinforcing rod, the anti-collision performance of the cable can be improved conveniently, and the outer protective layer of the cable is prevented from being collided.

Description

Technical Field

[0001] The utility model relates to the field of communication cables, in particular to an antifreeze and cold-resistant communication cable. Background Art

[0002] Communication cables are cables used to transmit telephone, telegraph, fax documents, television and radio programs, data and other electrical signals. They are composed of one or more pairs of mutually insulated conductors twisted together.

[0003] When communication cables are placed in a low temperature environment, the outer side of the communication cables can easily become brittle due to the low temperature, causing the outer side of the cable to be impacted, causing the outer protective layer of the cable to crack, and exposing the inner core to the outside, which can easily affect the service life of the cable. Utility Model Content

[0004] In order to overcome the shortcomings of poor antifreeze performance of cables in the prior art, one of the purposes of the utility model is to provide an antifreeze and cold-resistant communication cable.

[0005] One of the purposes of the utility model is achieved by the following technical solution: an antifreeze and cold-resistant communication cable, comprising a communication core: a shielding layer is fixedly connected to the outside of the communication core, a first insulation layer is fixedly connected to the outside of the shielding layer, a reinforcing layer is fixedly connected to the outside of the first insulation layer, a second insulation layer is fixedly connected to the outside of the reinforcing layer, a protective sleeve is fixedly connected to the outside of the second insulation layer, and a reinforcing rod is arranged on the inside of the second insulation layer;

[0006] The first insulation layer is made of polystyrene foam plastic material, the second insulation layer is made of rubber material, and the reinforcement layer is arranged in a wave-shaped structure.

[0007] According to the antifreeze and cold-resistant communication cable, the number of the reinforcing rods is multiple, so as to facilitate the reinforcement of the cable.

[0008] According to the antifreeze and cold-resistant communication cable, the reinforcing rod is made of stainless steel.

[0009] According to the antifreeze and cold-resistant communication cable, the reinforcement layer is made of phenolic foam plastic.

[0010] According to the antifreeze and cold-resistant communication cable, the protective sheath is made of polyethylene material.

[0011] Beneficial effects:

[0012] By providing the first insulation layer, the reinforcement layer, the second insulation layer, the reinforcement rod and the protective sleeve, the first insulation layer and the second insulation layer can increase the antifreeze performance of the cable, and the wavy reinforcement layer and the reinforcement rod can increase the anti-collision performance of the cable to avoid collision with the outer protective layer of the cable.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is the overall three-dimensional structural diagram of a freeze-proof and cold-resistant communication cable of the utility model;

[0016] Figure 2 This is a schematic diagram of a freeze-proof and cold-resistant communication cable of the utility model;

[0017] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0018] Legend:

[0019] 1. Communication line core; 2. Shielding layer; 3. Insulation layer 1; 4. Reinforcement layer; 5. Insulation layer 2; 6. Reinforcement rod; 7. Protective cover. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-3 A freeze-proof and cold-resistant communication cable comprises a communication core 1: a shielding layer 2 is fixedly connected to the outside of the communication core 1, a thermal insulation layer 3 is fixedly connected to the outside of the shielding layer 2, a reinforcing layer 4 is fixedly connected to the outside of the thermal insulation layer 3, a thermal insulation layer 2 5 is fixedly connected to the outside of the reinforcing layer 4, a protective sleeve 7 is fixedly connected to the outside of the thermal insulation layer 2 5, a reinforcing rod 6 is arranged on the inside of the thermal insulation layer 2 5, and a plurality of reinforcing rods 6 are arranged. The reinforcing rods 6 are made of stainless steel, and the protective sleeve 7 is made of polyethylene. The polyethylene material used in the protective sleeve 7 is convenient to increase the wear resistance of the cable, and the plurality of reinforcing rods 6 are made of stainless steel to increase the impact resistance of the outer protective layer of the cable.

[0022] The insulation layer 1 3 is made of polystyrene foam plastic material, the insulation layer 2 5 is made of rubber material, the reinforcement layer 4 is arranged in a wavy structure, and the reinforcement layer 4 is made of phenolic foam plastic. The reinforcement layer 4 is a wavy structure, and the arc structure on the outer side of the wave is arranged to facilitate external impact, facilitate the dispersion of external impact force, and reduce the concentration of impact force. The reinforcement layer 4 is made of phenolic foam plastic, which has good thermal insulation and anti-collision performance, and the insulation layer 1 3 and the insulation layer 2 5 increase the antifreeze performance of the cable.

[0023] Working principle: When in use, the insulation layer 1 3 and the insulation layer 2 5 are used to provide the cable with antifreeze performance. At the same time, the wavy structure of the reinforcement layer 4 and the reinforcement rod 6 increase the cable's anti-collision performance to avoid cracking and damage to the cable's outer protective sheath when impacted by external low temperature.

[0024] 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 ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A freeze-proof and cold-resistant communication cable, characterized in that: The invention comprises a communication line core (1): a shielding layer (2) is fixedly connected to the outer side of the communication line core (1), a first insulation layer (3) is fixedly connected to the outer side of the shielding layer (2), a reinforcing layer (4) is fixedly connected to the outer side of the first insulation layer (3), a second insulation layer (5) is fixedly connected to the outer side of the reinforcing layer (4), a protective sleeve (7) is fixedly connected to the outer side of the second insulation layer (5), and a reinforcing rod (6) is arranged on the inner side of the second insulation layer (5); The first insulation layer (3) is made of polystyrene foam plastic material, the second insulation layer (5) is made of rubber material, and the reinforcement layer (4) is arranged in a wavy structure.

2. The antifreeze and cold-resistant communication cable according to claim 1, characterized in that: The number of the reinforcing rods (6) is plural.

3. The antifreeze and cold-resistant communication cable according to claim 1, characterized in that: The reinforcing rod (6) is made of stainless steel.

4. The antifreeze and cold-resistant communication cable according to claim 1, characterized in that: The reinforcement layer (4) is made of phenolic foam plastic.

5. The antifreeze and cold-resistant communication cable according to claim 1, characterized in that: The protective sleeve (7) is made of polyethylene material.

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