CN111796372A

CN111796372A - Layer stranded optical cable for 5G communication

Info

Publication number: CN111796372A
Application number: CN202010698182.XA
Authority: CN
Inventors: 钱理; 张敏华
Original assignee: Suzhou Zhiyu Photoelectric Technology Co ltd
Current assignee: Suzhou Zhiyu Photoelectric Technology Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2020-10-20

Abstract

The invention belongs to the field of cables, and particularly relates to a 5G communication stranded optical cable which is provided with at least three communication parts, an outer sheath, a first protective layer, a second protective layer and a reinforcement, wherein the communication parts are positioned outside the reinforcement; the communication component is characterized by comprising a loose tube, a push rod and at least one first communication unit, wherein a first containing cavity is formed in the loose tube main body, the first communication unit is positioned in the first containing cavity, and fiber paste is filled in the first containing cavity; the push rod consists of a push rod main body and a push head, and the push rod is matched with the loose tube main body through a rack; the invention has the advantages of simple structure, low cost, less pollution, wide application occasions, no water seepage and the like; the invention solves the problem that the optical cable is subjected to water seepage due to the fact that gaps exist in the fiber paste with too small filling pressure or uneven pressure in the prior art.

Description

Layer stranded optical cable for 5G communication

Technical Field

The invention belongs to the field of cables, and particularly relates to a layer stranded optical cable for 5G communication.

Background

With the wide-range popularization of domestic 5G construction, the requirement of the optical cable is larger and larger, and the requirement of an operator on the water permeability of the optical cable is stricter and stricter.

In the prior art, the loose tube is filled with pressure filling fiber paste to prevent water from permeating into the loose tube, so that the transmission performance and the service life of the optical fiber are influenced.

The above prior art has the following disadvantages: when the fiber paste is filled, gaps may exist in the fiber paste due to too small filling pressure or uneven pressure, and moisture may seep out of the gaps in the fiber paste, so that the water seepage test of the optical cable is unqualified.

Disclosure of Invention

In order to solve the problems, the invention aims to disclose a layer-stranded optical cable for 5G communication, which is realized by adopting the following technical scheme.

A5G communication layer stranded optical cable comprises at least three communication components, an outer sheath, a first protective layer, a second protective layer and a reinforcement, wherein the at least three communication components are positioned outside the reinforcement;

the communication component is characterized by comprising a loose tube, a push rod and at least one first communication unit, wherein the loose tube is composed of a loose tube main body, the loose tube main body is arc-shaped, a second opening is formed between two ends of the loose tube main body, a first containing cavity is formed in the loose tube main body, a first opening is formed on the right side of the second opening, a first limiting component is arranged on the upper side of the first opening, first limiting teeth are arranged at the bottom of the first limiting component, a second limiting component is arranged on the lower side of the first opening, second limiting teeth are arranged at the top of the second limiting component, the tips of the first limiting teeth and the tips of the second limiting teeth face right, the first communication unit is positioned in the first containing cavity, fiber paste is filled in the first containing cavity, and the first communication unit is an optical fiber;

the push rod is composed of a push rod main body and a push head, the push head is located on the right side of the push rod main body, the right side of the push head is arc-shaped, a third limiting tooth is arranged on the upper surface of the push rod main body, a fourth limiting tooth is arranged on the lower surface of the push rod main body, tooth tips of the third limiting tooth and the fourth limiting tooth face to the left, the push rod main body is located in the first opening, the push head is located in the first containing cavity, the upper edge and the lower edge of the push head are tightly attached to the upper inner wall and the lower inner wall of the loose tube main body, the push rod main body is arc-shaped, the curvature of the push head is identical to that of the loose tube main body, the third limiting tooth is meshed with the first limiting tooth, the fourth limiting tooth is meshed with the second limiting.

A layer-stranded optical cable for 5G communication comprises a communication part, an outer sheath, a first protective layer, a second protective layer and two reinforcing pieces, wherein the second protective layer is coated outside the communication part;

the push rod is composed of a push rod main body and a push head, the push head is located on the right side of the push rod main body, the right side of the push head is arc-shaped, third limiting teeth are arranged on the upper surface of the push rod main body, fourth limiting teeth are arranged on the lower surface of the push rod main body, tooth tips of the third limiting teeth and tooth tips of the fourth limiting teeth face to the left, the push rod main body is located in the first opening, the upper edge and the lower edge of the push head are tightly attached to the upper inner wall and the lower inner wall of the loose tube main body, the push rod main body is arc-shaped, the curvature of the push rod main body is the same as that of the loose tube main body, the third limiting teeth are meshed with the first limiting teeth, the fourth limiting teeth are meshed with the second.

characterized in that the communication component consists of a loose tube, a push rod and at least one first communication unit, the loose tube is composed of a loose tube main body, the inner side of the loose tube main body is circular, a second containing cavity is formed inside the loose tube main body, the outer side of the loose tube main body is arc-shaped, a second opening is formed between two ends of the outer side of the loose tube main body, a first containing cavity is formed inside the loose tube main body, a first opening is formed on the right side of the second opening, a first limiting part is arranged on the upper side of the first opening, first limiting teeth are arranged at the bottom of the first limiting part, a second limiting part is arranged on the lower side of the first opening, second limiting teeth are arranged at the top of the second limiting part, the tooth tips of the first limiting tooth and the second limiting tooth face right, the first communication unit is positioned in the first containing cavity, the first containing cavity is also filled with fiber paste, the first communication unit is an optical fiber, and the second containing cavity is internally provided with a second communication unit;

The layer-stranded optical cable for 5G communication is characterized in that the second communication unit is an optical fiber tape body (15), the optical fiber tape body (15) is composed of at least two optical fiber ribbons, and the optical fiber ribbons are formed by combining at least two optical fibers.

The layer-stranded optical cable for 5G communication is characterized in that the second communication unit is an electrical signal wire (14), and the electrical signal wire (14) is composed of an electrical conductor and an insulating layer extruded outside the electrical conductor.

In the layer stranded optical cable for 5G communication, the loose sleeve is internally provided with the optical fiber, the optical fiber ribbon and the electric signal line, so that different connection requirements and different signal transmission requirements are met, the fiber capacity of the optical cable is increased, and the optical cable can be used for laying a trunk line.

The layer-stranded optical cable for 5G communication is characterized in that the outer protective layer is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.

The layer-stranded optical cable for 5G communication is characterized in that the main body material of the loose tube is polybutylene terephthalate or modified polypropylene.

The layer-stranded optical cable for 5G communication is characterized in that the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.

The layer-stranded optical cable for 5G communication is characterized in that the reinforcing member is made of steel wires or glass fiber rods.

The 5G layer-stranded optical cable for communication is characterized in that the width of the first accommodating cavity is larger than one time of the diameter of the first communication unit and smaller than two times of the diameter of the first communication unit, so that the optical fibers can be sequentially placed in the first accommodating cavity according to a set sequence, the optical fibers do not need to be colored, and the coloring material and labor cost of the optical cable are saved.

According to the invention, when the loose tube is produced, the push rod is pushed towards the right side, and the push rod pushes out gaps possibly existing in the fiber paste caused by too small pressure or uneven pressure when the fiber paste is filled in the first containing cavity, so that the water seepage prevention in the loose tube is ensured, meanwhile, the consumption of the fiber paste in the loose tube can be reduced, the cost is saved, and the environmental pollution is reduced.

Therefore, the invention has the advantages of simple structure, low cost, less pollution, wide application occasions, no water seepage and the like.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.

Fig. 2 is a schematic perspective view of embodiment 2 of the present invention.

Fig. 3 is a schematic structural diagram of a communication component in embodiment 1 of the present invention.

Fig. 4 is a schematic view of a loose tube structure in embodiment 1 of the present invention.

Fig. 5 is a schematic view of the structure of the push rod of the present invention.

Fig. 6 is a schematic structural diagram of a communication component in embodiment 3 of the present invention.

Fig. 7 is a schematic structural diagram of a communication component according to embodiment 4 of the present invention.

Fig. 8 is a schematic view of a loose tube structure according to embodiment 2 or embodiment 3 of the present invention.

In the figure: 1. the optical fiber cable comprises a communication component, 11 loose tubes, 111 loose tube main bodies, 112 first limiting components, 113 first limiting teeth, 114 first openings, 115 second limiting teeth, 116 second limiting components, 117 second openings, 118 first cavities, 119 second cavities, 12 push rods, 121 push rod main bodies, 122 third limiting teeth, 123 fourth limiting teeth, 124 push heads, 13 first communication units, 14 electric signal lines, 15 optical fiber bands, 2 outer sheaths, 3 first protective layers, 4 second protective layers and 5 reinforcing pieces.

Detailed Description

Example 1

Referring to fig. 1, 3, 4 and 5, a 5G stranded optical cable for communication includes at least three communication components 1, an outer sheath 2, a first protective layer 3, a second protective layer 4 and a reinforcement 5, wherein the at least three communication components 1 are located outside the reinforcement 5, the second protective layer 4 is coated outside the at least three communication components 1, the first protective layer 3 is coated outside the second protective layer 4, and the outer sheath 2 is extruded outside the first protective layer 3;

the communication component 1 is characterized by comprising a loose tube 11, a push rod 12 and at least one first communication unit 13, wherein the loose tube 11 is composed of a loose tube main body 111, the loose tube main body 111 is arc-shaped, a second opening 117 is formed between two ends of the loose tube main body 111, a first containing cavity 118 is formed inside the loose tube main body 111, a first opening 114 is formed on the right side of the second opening 117, a first limiting part 112 is arranged on the upper side of the first opening 114, a first limiting tooth 113 is arranged at the bottom of the first limiting part 112, a second limiting part 116 is arranged on the lower side of the first opening 114, a second limiting tooth 115 is arranged at the top of the second limiting part 116, the tooth tips of the first limiting tooth 113 and the second limiting tooth 115 face right, the first communication unit 13 is positioned in the first containing cavity 118, fiber paste is filled in the first containing cavity 118, and the first communication unit 13 is an optical fiber;

the push rod 12 is composed of a push rod main body 121 and a push head 124, the push head 124 is located on the right side of the push rod main body 121, the right side of the push head 124 is arc-shaped, a third limiting tooth 122 is arranged on the upper surface of the push rod main body 121, a fourth limiting tooth 123 is arranged on the lower surface of the push rod main body 121, tooth tips of the third limiting tooth 122 and the fourth limiting tooth 123 face to the left, the push rod main body 121 is located in the first opening 114, the push head 124 is located in the first accommodating cavity 118, upper and lower edges of the push head 124 are tightly attached to upper and lower inner walls of the loose tube main body 111, the push rod main body 121 is arc-shaped, the curvature of the push rod main body is the same as that of the loose tube main body 111, the third limiting tooth 122 is meshed with the first limiting tooth 113, the fourth limiting tooth 123 is meshed with the second limiting tooth 115, and the push rod main.

Example 2

Referring to fig. 2, and fig. 3, 4 and 5, a 5G stranded optical cable for communication includes a communication component 1, an outer sheath 2, a first protective layer 3, a second protective layer 4 and two reinforcing members 5, wherein the second protective layer 4 is coated outside the communication component 1, the first protective layer 3 is coated outside the second protective layer 4, the outer sheath 2 is extruded outside the first protective layer 3, and the two reinforcing members 5 are disposed in parallel in the outer sheath 2;

the push rod 12 is composed of a push rod main body 121 and a push head 124, the push head 124 is located on the right side of the push rod main body 121, the right side of the push head 124 is arc-shaped, a third limiting tooth 122 is arranged on the upper surface of the push rod main body 121, a fourth limiting tooth 123 is arranged on the lower surface of the push rod main body 121, tooth tips of the third limiting tooth 122 and the fourth limiting tooth 123 face to the left, the push rod main body 121 is located in the first opening 114, the upper edge and the lower edge of the push head 124 are tightly attached to the upper inner wall and the lower inner wall of the loose tube main body 111, the push rod main body 121 is arc-shaped, the curvature of the push rod main body 121 is the same as that of the loose tube main body 111, the third limiting tooth 122 is meshed with the first limiting tooth 113, the fourth limiting tooth 123 is meshed with the second limiting tooth 115.

Example 3

Referring to fig. 5, fig. 6, and fig. 8, and fig. 1, a 5G stranded optical cable for communication includes at least three communication components 1, an outer sheath 2, a first protective layer 3, a second protective layer 4, and a reinforcement 5, where the at least three communication components 1 are located outside the reinforcement 5, the second protective layer 4 is coated outside the at least three communication components 1, the first protective layer 3 is coated outside the second protective layer 4, and the outer sheath 2 is extruded outside the first protective layer 3;

the communication component is characterized in that the communication component 1 comprises a loose tube 11, a push rod 12 and at least one first communication unit 13, the loose tube 11 is composed of a loose tube main body 111, the inner side of the loose tube main body 111 is circular, a second containing cavity 119 is formed inside the loose tube main body, the outer side of the loose tube main body 111 is arc-shaped, a second opening 117 is formed between two ends of the outer side of the loose tube main body 111, a first containing cavity 118 is formed inside the loose tube main body 111, a first opening 114 is formed on the right side of the second opening 117, a first limiting part 112 is arranged on the upper side of the first opening 114, first limiting teeth 113 are arranged at the bottom of the first limiting part 112, a second limiting part 116 is arranged on the lower side of the first opening 114, second limiting teeth 115 are arranged at the top of the second limiting part 116, the tooth tips of the first limiting teeth 113 and the second limiting teeth 115 face to the right, the first communication unit 13 is positioned in the first containing cavity 118, and fiber paste is filled, the first communication unit 13 is an optical fiber, a second communication unit is arranged in the second cavity 119, and the second communication unit is an electrical signal line 14;

The layer-stranded optical cable for 5G communication according to the above embodiment is characterized in that the electrical signal wire 14 is composed of an electrical conductor and an insulating layer extruded outside the electrical conductor.

In the embodiment, the loose tube is internally provided with the optical fiber and the electric signal line, so that the optical cable can transmit optical signals and electric signals, and different signal transmission requirements are met.

Example 4

Referring to fig. 5, 7, and 8, and fig. 1, a 5G stranded optical cable for communication includes at least three communication components 1, an outer sheath 2, a first protective layer 3, a second protective layer 4, and a reinforcement 5, where the at least three communication components 1 are located outside the reinforcement 5, the second protective layer 4 covers the at least three communication components 1, the first protective layer 3 covers the second protective layer 4, and the outer sheath 2 is extruded outside the first protective layer 3;

the communication component is characterized in that the communication component 1 comprises a loose tube 11, a push rod 12 and at least one first communication unit 13, the loose tube 11 is composed of a loose tube main body 111, the inner side of the loose tube main body 111 is circular, a second containing cavity 119 is formed inside the loose tube main body, the outer side of the loose tube main body 111 is arc-shaped, a second opening 117 is formed between two ends of the outer side of the loose tube main body 111, a first containing cavity 118 is formed inside the loose tube main body 111, a first opening 114 is formed on the right side of the second opening 117, a first limiting part 112 is arranged on the upper side of the first opening 114, first limiting teeth 113 are arranged at the bottom of the first limiting part 112, a second limiting part 116 is arranged on the lower side of the first opening 114, second limiting teeth 115 are arranged at the top of the second limiting part 116, the tooth tips of the first limiting teeth 113 and the second limiting teeth 115 face to the right, the first communication unit 13 is positioned in the first containing cavity 118, and fiber paste is filled, the first communication unit 13 is an optical fiber, a second communication unit is arranged in the second cavity 119, and the second communication unit is an optical fiber belt body 15;

The stranded optical cable for 5G communication according to the above embodiment is characterized in that the optical fiber ribbon body 15 is composed of at least two optical fiber ribbons, and the optical fiber ribbons are formed by combining at least two optical fibers.

In the embodiment, the loose tube is internally provided with the optical fiber and the optical fiber tape, so that different connection requirements are met, the fiber capacity of the optical cable is increased, and the loose tube can be used for laying a trunk line.

The layer-stranded optical cable for 5G communication according to any embodiment of the above embodiments is characterized in that the outer sheath 2 is made of low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.

The layer-stranded optical cable for 5G communication according to any of the embodiments above, wherein the material of the loose tube main body 111 is polybutylene terephthalate or modified polypropylene.

The layer-stranded optical cable for 5G communication in any embodiment is characterized in that the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.

The layer-stranded optical cable for 5G communication according to any of the above embodiments, wherein the material of the strength member 5 is a steel wire or a glass fiber rod.

The layer-stranded optical cable for 5G communication in any embodiment of the above embodiments is characterized in that the width of the first cavity 118 is greater than one time of the diameter of the first communication unit 13 and less than two times of the diameter of the first communication unit 13, so that the optical fibers can be sequentially placed in the first cavity 118 according to a predetermined sequence, the optical fibers do not need to be colored, and the material for coloring the optical cable and the labor cost are saved.

According to the invention, when the loose tube is produced, the push rod 12 is pushed towards the right side, and the push rod 12 pushes out gaps possibly existing in the fiber paste caused by too small pressure or uneven pressure when the fiber paste is filled in the first containing cavity 118, so that the water seepage prevention in the loose tube is ensured, meanwhile, the consumption of the fiber paste in the loose tube can be reduced, the cost is saved, and the environmental pollution is reduced.

The invention solves the problem that the optical cable is water-seepage caused by gaps existing in the fiber paste due to too small fiber paste filling pressure or uneven pressure in the prior art.

The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims

1. A5G communication layer stranded optical cable is provided with at least three communication components (1), an outer sheath (2), a first protective layer (3), a second protective layer (4) and a reinforcing piece (5), wherein the at least three communication components (1) are positioned outside the reinforcing piece (5), the second protective layer (4) is coated outside the at least three communication components (1), the first protective layer (3) is coated outside the second protective layer (4), and the outer sheath (2) is extruded outside the first protective layer (3); the communication component (1) is composed of a loose tube (11), a push rod (12) and at least one first communication unit (13), the loose tube (11) is composed of a loose tube main body (111), the loose tube main body (111) is arc-shaped, a second opening (117) is formed between two ends of the loose tube main body (111), a first containing cavity (118) is formed inside the loose tube main body (111), a first opening (114) is formed on the right side of the second opening (117), a first limiting part (112) is arranged on the upper side of the first opening (114), a first limiting tooth (113) is arranged at the bottom of the first limiting part (112), a second limiting part (116) is arranged on the lower side of the first opening (114), a second limiting tooth (115) is arranged on the top of the second limiting part (116), tooth tips of the first limiting tooth (113) and the second limiting tooth (115) face right, the first communication unit (13) is positioned in the first containing cavity (118), the first cavity (118) is also filled with fiber paste, and the first communication unit (13) is an optical fiber; the push rod (12) is composed of a push rod main body (121) and a push head (124), the push head (124) is located on the right side of the push rod main body (121), the right side of the push head (124) is arc-shaped, a third limiting tooth (122) is arranged on the upper surface of the push rod main body (121), a fourth limiting tooth (123) is arranged on the lower surface of the push rod main body (121), tooth tips of the third limiting tooth (122) and the fourth limiting tooth (123) face to the left, the push rod main body (121) is located in the first opening (114), the push head (124) is located in the first containing cavity (118), the upper edge and the lower edge of the push head (124) are tightly attached to the upper inner wall and the lower inner wall of the loose tube main body (111), the push rod main body (121) is arc-shaped, the curvature is the same as that of the loose tube main body (111), the third limiting tooth (122) is meshed with the first limiting tooth (113), and the fourth limiting tooth (123) is, the push rod main body (121) can only move towards the right and can not move towards the left in the first opening (114); the width of the first cavity (118) is larger than one time of the diameter of the first communication unit (13) and smaller than two times of the diameter of the first communication unit (13).

2. A5G communication layer stranded optical cable is provided with a communication part (1), an outer sheath (2), a first protective layer (3), a second protective layer (4) and two reinforcing pieces (5), wherein the second protective layer (4) is coated outside the communication part (1), the first protective layer (3) is coated outside the second protective layer (4), the outer sheath (2) is extruded outside the first protective layer (3), and the two reinforcing pieces (5) are arranged in the outer sheath (2) in parallel; the communication component (1) is composed of a loose tube (11), a push rod (12) and at least one first communication unit (13), the loose tube (11) is composed of a loose tube main body (111), the loose tube main body (111) is arc-shaped, a second opening (117) is formed between two ends of the loose tube main body (111), a first containing cavity (118) is formed inside the loose tube main body (111), a first opening (114) is formed on the right side of the second opening (117), a first limiting part (112) is arranged on the upper side of the first opening (114), a first limiting tooth (113) is arranged at the bottom of the first limiting part (112), a second limiting part (116) is arranged on the lower side of the first opening (114), a second limiting tooth (115) is arranged on the top of the second limiting part (116), tooth tips of the first limiting tooth (113) and the second limiting tooth (115) face right, the first communication unit (13) is positioned in the first containing cavity (118), the first cavity (118) is also filled with fiber paste, and the first communication unit (13) is an optical fiber; the push rod (12) consists of a push rod main body (121) and a push head (124), the push head (124) is positioned on the right side of the push rod main body (121), the right side of the push head (124) is arc-shaped, a third limiting tooth (122) is arranged on the upper surface of the push rod main body (121), a fourth limiting tooth (123) is arranged on the lower surface of the push rod main body (121), the tooth tips of the third limiting tooth (122) and the fourth limiting tooth (123) face to the left, the push rod main body (121) is positioned in the first opening (114), the upper edge and the lower edge of the push head (124) are tightly attached to the upper inner wall and the lower inner wall of the loose tube main body (111), the push rod main body (121) is arc-shaped, the curvature of the push rod main body is the same as that of the loose tube main body (111), the third limiting tooth (122) is meshed with the first limiting tooth (113), the fourth limiting tooth (123) is meshed with the second limiting tooth (115), and the push rod main body (121) can only move rightwards and can not move leftwards in the first opening (114); the width of the first cavity (118) is larger than one time of the diameter of the first communication unit (13) and smaller than two times of the diameter of the first communication unit (13).

3. A5G communication layer stranded optical cable is provided with at least three communication components (1), an outer sheath (2), a first protective layer (3), a second protective layer (4) and a reinforcing piece (5), wherein the at least three communication components (1) are positioned outside the reinforcing piece (5), the second protective layer (4) is coated outside the at least three communication components (1), the first protective layer (3) is coated outside the second protective layer (4), and the outer sheath (2) is extruded outside the first protective layer (3); the communication component (1) is composed of a loose tube (11), a push rod (12) and at least one first communication unit (13), the loose tube (11) is composed of a loose tube main body (111), the inner side of the loose tube main body (111) is circular, a second containing cavity (119) is formed inside the loose tube main body, the outer side of the loose tube main body (111) is arc-shaped, a second opening (117) is formed between the two ends of the outer side of the loose tube main body (111), a first containing cavity (118) is formed inside the loose tube main body (111), a first opening (114) is formed on the right side of the second opening (117), a first limiting component (112) is arranged on the upper side of the first opening (114), a first limiting tooth (113) is arranged at the bottom of the first limiting component (112), a second limiting component (116) is arranged on the lower side of the first opening (114), a second limiting tooth (115) is arranged at the top of the second limiting component (116), the tooth tips of the first limiting tooth (113) and the second limiting tooth (115) face right, the first communication unit (13) is located in a first containing cavity (118), fiber paste is filled in the first containing cavity (118), the first communication unit (13) is an optical fiber, and a second communication unit is arranged in the second containing cavity (119); the push rod (12) is composed of a push rod main body (121) and a push head (124), the push head (124) is located on the right side of the push rod main body (121), the right side of the push head (124) is arc-shaped, a third limiting tooth (122) is arranged on the upper surface of the push rod main body (121), a fourth limiting tooth (123) is arranged on the lower surface of the push rod main body (121), tooth tips of the third limiting tooth (122) and the fourth limiting tooth (123) face to the left, the push rod main body (121) is located in the first opening (114), the push head (124) is located in the first containing cavity (118), the upper edge and the lower edge of the push head (124) are tightly attached to the upper inner wall and the lower inner wall of the loose tube main body (111), the push rod main body (121) is arc-shaped, the curvature is the same as that of the loose tube main body (111), the third limiting tooth (122) is meshed with the first limiting tooth (113), and the fourth limiting tooth (123) is, the push rod main body (121) can only move towards the right and can not move towards the left in the first opening (114); the width of the first cavity (118) is larger than one time of the diameter of the first communication unit (13) and smaller than two times of the diameter of the first communication unit (13).

4. A5G communication layer stranded optical cable is provided with a communication part (1), an outer sheath (2), a first protective layer (3), a second protective layer (4) and two reinforcing pieces (5), wherein the second protective layer (4) is coated outside the communication part (1), the first protective layer (3) is coated outside the second protective layer (4), the outer sheath (2) is extruded outside the first protective layer (3), and the two reinforcing pieces (5) are arranged in the outer sheath (2) in parallel; the communication component (1) is composed of a loose tube (11), a push rod (12) and at least one first communication unit (13), the loose tube (11) is composed of a loose tube main body (111), the inner side of the loose tube main body (111) is circular, a second containing cavity (119) is formed inside the loose tube main body, the outer side of the loose tube main body (111) is arc-shaped, a second opening (117) is formed between the two ends of the outer side of the loose tube main body (111), a first containing cavity (118) is formed inside the loose tube main body (111), a first opening (114) is formed on the right side of the second opening (117), a first limiting component (112) is arranged on the upper side of the first opening (114), a first limiting tooth (113) is arranged at the bottom of the first limiting component (112), a second limiting component (116) is arranged on the lower side of the first opening (114), a second limiting tooth (115) is arranged at the top of the second limiting component (116), the tooth tips of the first limiting tooth (113) and the second limiting tooth (115) face right, the first communication unit (13) is located in a first containing cavity (118), fiber paste is filled in the first containing cavity (118), the first communication unit (13) is an optical fiber, and a second communication unit is arranged in the second containing cavity (119); the push rod (12) consists of a push rod main body (121) and a push head (124), the push head (124) is positioned on the right side of the push rod main body (121), the right side of the push head (124) is arc-shaped, a third limiting tooth (122) is arranged on the upper surface of the push rod main body (121), a fourth limiting tooth (123) is arranged on the lower surface of the push rod main body (121), the tooth tips of the third limiting tooth (122) and the fourth limiting tooth (123) face to the left, the push rod main body (121) is positioned in the first opening (114), the upper edge and the lower edge of the push head (124) are tightly attached to the upper inner wall and the lower inner wall of the loose tube main body (111), the push rod main body (121) is arc-shaped, the curvature of the push rod main body is the same as that of the loose tube main body (111), the third limiting tooth (122) is meshed with the first limiting tooth (113), the fourth limiting tooth (123) is meshed with the second limiting tooth (115), and the push rod main body (121) can only move rightwards and can not move leftwards in the first opening (114); the width of the first cavity (118) is larger than one time of the diameter of the first communication unit (13) and smaller than two times of the diameter of the first communication unit (13).

5. The stranded optical cable for 5G communication according to claim 3 or 4, wherein the second communication unit is an optical fiber ribbon body (15), the optical fiber ribbon body (15) is composed of at least two optical fiber ribbons, and the optical fiber ribbons are composed of at least two optical fibers in ribbon.

6. The layer-stranded optical cable for 5G communication according to claim 3 or claim 4, wherein the second communication unit is an electrical signal wire (14), and the electrical signal wire (14) is composed of an electrical conductor and an insulating layer extruded outside the electrical conductor.

7. The layer-stranded optical cable for 5G communication according to claim 1 or claim 2 or claim 3 or claim 4, wherein the material of the outer sheath (2) is low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.

8. The layer-stranded optical cable for 5G communication according to claim 1 or claim 2 or claim 3 or claim 4, wherein the material of the loose tube main body (111) is polybutylene terephthalate or modified polypropylene.

9. The stranded optical cable for 5G communication according to claim 1 or claim 2 or claim 3 or claim 4, wherein the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.

10. A layer stranded optical cable for 5G communication according to claim 1 or claim 2 or claim 3 or claim 4, wherein said strength member material is a steel wire or a glass fiber rod.