CN212540813U - Layer stranded type ribbon optical cable with pressure-resistant loose sleeve - Google Patents
Layer stranded type ribbon optical cable with pressure-resistant loose sleeve Download PDFInfo
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- CN212540813U CN212540813U CN202021699271.8U CN202021699271U CN212540813U CN 212540813 U CN212540813 U CN 212540813U CN 202021699271 U CN202021699271 U CN 202021699271U CN 212540813 U CN212540813 U CN 212540813U
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Abstract
The utility model belongs to the cable field especially relates to a layer stranded ribbon optical cable with withstand voltage loose tube, has outer jacket, three piece at least optical communication parts and central reinforcement, its characterized in that optical communication part comprises loose tube and four interior fiber band bodies, loose tube forms two constant head tanks from top to bottom, and the loose tube forms two arcs about controlling, and one side arc is pasted with central reinforcement outer wall, the inside bracing piece that still is equipped with a "cross" font of loose tube, and bracing piece divides the inside of loose tube into four appearance chambeies, contains a fiber band body in each appearance chamber, still be equipped with first packing part between two adjacent loose tubes, the first packing part lateral wall and the loose tube outer wall junction of constant head tank both sides; the utility model discloses it is little to have the optical cable external diameter, and fibre core density is big, compact structure, resistance to compression, tensile, antitorque commentaries on classics, shock resistance, and the intraductal mixable of pine cover is fine, and the pipeline resources are saved can beneficial effect such as photoelectricity biography simultaneously.
Description
Technical Field
The utility model belongs to the cable field especially relates to a layer stranded ribbon optical cable with withstand voltage pine sheathed tube.
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 optical fiber ribbon cable is composed of a central reinforcing part, a plurality of loose tubes positioned outside the central reinforcing part and an outer protective layer extruded outside the loose tubes, the cross sections of the loose tubes are generally circular, and when materials are fixed, the lateral pressure resistance of the loose tubes is often determined by the thickness and the outer diameter of the loose tubes.
The above prior art has the following disadvantages: 1. the loose tube has poor lateral pressure resistance, when the lateral pressure resistance of the loose tube needs to be enhanced, the thickness of the loose tube needs to be increased or the outer diameter of the loose tube needs to be reduced, and the increase of the thickness of the loose tube greatly increases the production cost of the optical cable, so that the product competitiveness is reduced; reducing the outer diameter of the loose tube will not accommodate more optical fiber ribbons; 2. only one optical fiber ribbon consisting of optical fibers can be placed in each loose sleeve, and mixed fibers cannot be placed in each loose sleeve; 3. an arcuate gap is formed between the inner wall of the loose tube and the optical fiber ribbon at the outermost side, which is disadvantageous for reducing the outer diameter of the optical fiber cable and increases the cost of the optical fiber cable.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses a layer stranded optical ribbon cable with a pressure-resistant loose tube, which is realized by the following technical solution.
A layer stranded ribbon optical cable with a pressure-resistant loose tube is provided with an outer protective layer, at least three optical communication parts and a central reinforcing part, wherein the optical communication parts are positioned around the central reinforcing part, the outer protective layer is extruded outside the optical communication parts, the optical communication parts are composed of the loose tube and four internal optical fiber bodies, the middle parts of the upper side and the lower side of the loose tube are recessed inwards to form two positioning grooves, the left side and the right side of the loose tube are recessed inwards to form two arc-shaped grooves, one side arc-shaped groove is attached to the outer wall of the central reinforcing part, a cross-shaped supporting part is further arranged inside the loose tube, the supporting part is composed of a cross rod and a vertical rod, the supporting part divides the inside of the loose tube into four containing cavities, one optical fiber body is arranged in each containing cavity, the two ends of the vertical rod of the supporting part are respectively connected with the inner side walls corresponding to the positioning grooves, the two sides, and a first filling component is also arranged between every two adjacent loose tubes, and the side wall of the first filling component is connected with the outer walls of the loose tubes on the two sides of the positioning groove.
In the layer-stranded ribbon optical cable with the pressure-resistant loose tube, when the optical cable is under pressure right opposite to the loose tube, the arc-shaped groove on one side of the loose tube and the outer protective layer have two contact points, so that the pressure is dispersed to the two contact points of the arc-shaped groove on one side of the loose tube and the outer protective layer; the vertical rod of the supporting component enables the optical cable to be subjected to pressure at the corresponding position of the gap between the two loose tubes, and the pressure is transmitted to the vertical rod of the supporting component through the first filling component, so that the internal optical fiber belt body is not affected; the arc-shaped groove on one side of the loose tube is attached to the outer wall of the central reinforcing part, so that the contact surface of the loose tube and the central reinforcing part is increased, and the loose tube is prevented from being flattened at the contact position with the central reinforcing part, so that the optical fiber belt body is influenced; the two arc-shaped grooves also reduce the outer diameter of the optical cable, so that the material of the outer protective layer of the optical cable is reduced, and the cost of the optical cable is reduced; every loose intraductal four appearance chambeies that have, can place four kinds of different optic fibre ribbons at most and can not make the optic fibre ribbon mix mutually, when laying, need not lay many cables, made things convenient for the construction of optical cable, reduce construction cost, can place four optic fibre area bodies in every loose casing, make the optical cable have bigger fibre core density, practice thrift the optical cable and lay used pipeline resource.
The layer stranded ribbon optical cable with the pressure-resistant loose sleeve is characterized in that a second filling component is arranged in the arc-shaped groove which is abutted to the outer protection layer, and the outer wall of the second filling component is respectively attached to the arc-shaped groove and the inner wall of the outer protection layer.
The layer stranded optical fiber ribbon cable with the pressure-resistant loose tube is characterized in that the second filling member has elasticity.
According to the layer stranded ribbon optical cable with the pressure-resistant loose tube, the tensile property of the optical cable is enhanced by the second filling component, and meanwhile, the contact surface between the outer protective layer and the loose tube is indirectly enhanced, so that the loose tube is more uniformly stressed when the loose tube is under pressure.
The layer stranded ribbon optical cable with the pressure-resistant loose tube is characterized in that a protective belt is arranged between the outer protective layer and the optical communication component, an axial convex strip is arranged in the arc-shaped groove of the protective belt, and the axial convex strip is the same as the arc-shaped groove in shape.
The layer stranded ribbon optical cable with the pressure-resistant loose tube is characterized in that the protective strip is a steel strip or an aluminum strip.
In the layer stranded ribbon optical cable with the pressure-resistant loose tube, the protective belt is a metal belt which can enhance the tensile resistance, the compression resistance and the shock resistance of the optical cable; meanwhile, the protective belt is also provided with an axial convex strip, so that the optical cable has good torsion resistance as a bracket; meanwhile, the convex strip is positioned in an arc-shaped groove of the loose tube and is matched with the central reinforcing part to fix the position of the optical communication part, so that the internal optical communication part is better protected.
The layer stranded optical fiber ribbon cable with the pressure-resistant loose tube is characterized in that the first filling component is an electric unit consisting of an electric conductor and an insulating layer extruded outside the electric conductor.
The layer stranded ribbon optical cable with the pressure-resistant loose tube is characterized in that the electric conductor material is copper or aluminum.
The layer stranded ribbon optical cable with the pressure-resistant loose tube is characterized in that the insulating layer is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
In the layer stranded ribbon optical cable with the pressure-resistant loose sleeve, the electric unit is additionally arranged, so that the optical cable can transmit optical signals and electric energy at the same time, operators do not need to construct optical cables and electric cables which are different twice, the construction strength is reduced, and the construction efficiency is improved.
The layer stranded ribbon optical cable with the pressure-resistant loose sleeve is characterized in that the optical fiber belt body is formed by stacking at least two optical fiber belts, and the optical fiber belts are formed by combining at least two optical fibers.
The layer stranded ribbon cable with the pressure-resistant loose tube 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 ribbon optical cable with the pressure-resistant loose tube is characterized in that the loose tube material is polybutylene terephthalate or modified polypropylene.
The layer stranded ribbon optical cable with the pressure-resistant loose tube is characterized in that the loose tube and the supporting part are integrally formed, and the processing cost of the loose tube cannot be increased.
The layer stranded ribbon optical cable with the pressure-resistant loose tube 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 ribbon optical cable with the pressure-resistant loose tube is characterized in that the central reinforcing member is a phosphated steel wire or a stainless steel wire or a glass fiber reinforced plastic rod.
Therefore, the utility model discloses it is little to have the optical cable external diameter, compact structure, and fibre core density is big, resistance to compression, tensile, antitorque commentaries on classics, shock resistance, and the intraductal mixable of pine cover is fine, and the pipeline resources are saved can beneficial effect such as photoelectricity biography simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of the optical communication component of the present invention.
Fig. 3 is a schematic structural view of embodiment 2 of the present invention.
Fig. 4 is a schematic structural view of embodiment 3 of the present invention.
Fig. 5 is a schematic structural view of embodiment 4 of the present invention.
In the figure: 1. the optical fiber cable comprises an outer protective layer, 2 optical communication parts, 21 loose sleeves, 22 optical fiber belts, 23 supporting parts, 24 arc-shaped grooves, 25 cavities, 26 positioning grooves, 3 first filling parts, 4 central reinforcing parts, 5 second filling parts, 6 protective belts and 7 electrical units.
Detailed Description
Example 1
Referring to fig. 1 and 2, a stranded optical fiber ribbon cable with a pressure-resistant loose tube comprises an outer sheath 1, at least three optical communication components 2 and a central reinforcement 4, wherein the optical communication components 2 are positioned around the central reinforcement 4, the outer sheath 1 is extruded outside the optical communication components 2, and the optical communication components 2 are composed of a loose tube 21 and four optical fiber ribbons 22 inside, the middle parts of the upper and lower sides of the loose tube 21 are recessed inwards to form two positioning slots 26, the left and right sides of the loose tube 21 are recessed inwards to form two arc-shaped slots 24, one of the arc-shaped slots 24 is attached to the outer wall of the central reinforcement 4, a cross-shaped support member 23 is further arranged inside the loose tube 21, the support member 23 is composed of a cross bar and a vertical bar, the support member 23 divides the inside of the loose tube 21 into four cavities 25, each cavity 25 contains one optical fiber ribbon 22, the inside wall that the 23 montant both ends of supporting component correspond with constant head tank 26 respectively links to each other, and 23 horizontal pole both sides of supporting component are inconsistent with the inside wall middle part that the arc wall 24 corresponds, the fiber ribbon body 22 is stacked by two piece at least optic fibre and is formed, the optic fibre area is formed by two piece at least optic fibre ribbon, still be equipped with first packing component 3 between two adjacent loose tubes 21, the loose tube 21 outer wall department of meeting of 3 lateral walls of first packing component and constant head tank 26 both sides.
In the above embodiment, when the optical cable is under pressure at the position facing the loose tube 21, the arc-shaped groove 24 on one side of the loose tube 21 and the outer protective layer 1 have two contact points, so that the pressure is dispersed to the two contact points of the arc-shaped groove 24 on one side of the loose tube 21 and the outer protective layer 1, meanwhile, because the support part 23 is arranged in the loose tube 21, the cross bar of the support part 23 props against the loose tube wall in the middle of the arc-shaped groove 24, when the optical cable is under pressure at the position facing the loose tube 21, the radian of the arc-shaped groove 24 is changed by the position change of the three contact points on the side wall of the arc-shaped groove 24, the size of the safety space required by the optical fiber tape body 22 in the cavity 25 is not reduced as much as possible; the vertical rod of the supporting component 23 enables the pressure to be transmitted to the vertical rod of the supporting component 23 through the first filling component 3 when the optical cable is subjected to the pressure at the corresponding position of the gap between the two loose tubes 21, so that the internal optical fiber belt body is not affected; the arc-shaped groove 24 on one side of the loose tube 21 is attached to the outer wall of the central reinforcing part 4, so that the contact surface between the loose tube 21 and the central reinforcing part 4 is increased, and the loose tube 21 is prevented from being flattened at the contact position with the central reinforcing part 4, so that the optical fiber belt body is influenced; the two arc-shaped grooves 24 also reduce the outer diameter of the optical cable, so that the material of the outer protective layer of the optical cable is reduced, and the cost of the optical cable is reduced; four are had in every loose sleeve pipe 21 and are held the chamber 25, can place four kinds of different at most optic fibre ribbons and can not make the optic fibre ribbon mix mutually, when laying, need not lay many cables, have made things convenient for the construction of optical cable, reduce construction cost, can place four optic fibre area bodies in every loose sleeve pipe 21, make the optical cable have bigger fibre core density, practice thrift the optical cable and lay used pipeline resource.
Example 2
Referring to fig. 2 and 3, a stranded optical fiber ribbon cable with a pressure-resistant loose tube comprises an outer sheath 1, at least three optical communication components 2 and a central reinforcement 4, wherein the optical communication components 2 are positioned around the central reinforcement 4, the outer sheath 1 is extruded outside the optical communication components 2, and the optical communication components 2 are composed of a loose tube 21 and four optical fiber ribbons 22 inside, the middle parts of the upper and lower sides of the loose tube 21 are recessed inwards to form two positioning slots 26, the left and right sides of the loose tube 21 are recessed inwards to form two arc-shaped slots 24, one of the arc-shaped slots 24 is attached to the outer wall of the central reinforcement 4, a cross-shaped support member 23 is further arranged inside the loose tube 21, the support member 23 is composed of a cross bar and a vertical bar, the support member 23 divides the inside of the loose tube 21 into four cavities 25, each cavity 25 contains one optical fiber ribbon 22, the inside wall that the 23 montant both ends of supporting component correspond with constant head tank 26 respectively links to each other, and the inside wall middle part that 23 horizontal pole both sides of supporting component correspond with arc wall 24 is inconsistent, the optic fibre area body 22 is stacked by two piece at least optic fibre and forms, the optic fibre area is formed by two piece at least optic fibre and area, still be equipped with first packing component 3 between two adjacent loose tube 21, the loose tube 21 outer wall department of meeting of 3 lateral walls of first packing component and constant head tank 26 both sides, be equipped with second packing component 5 in the arc wall 24 inconsistent with outer jacket 1, the outer wall of second packing component 5 is laminated with arc wall 24 and 1 inner wall of outer jacket respectively mutually.
A layer-stranded optical fiber ribbon cable having a pressure-resistant loose tube according to the above embodiment, wherein the second filling member 5 has elasticity.
In this embodiment, the second filling member 5 enhances the tensile strength of the optical cable, and at the same time indirectly enhances the contact surface between the outer protective layer 1 and the loose tube 21, so that the loose tube 21 is stressed more uniformly when the loose tube 21 is under pressure.
Example 3
Referring to fig. 2 and 4, a stranded optical fiber ribbon cable with a pressure-resistant loose tube comprises an outer sheath 1, at least three optical communication components 2 and a central reinforcement 4, wherein the optical communication components 2 are positioned around the central reinforcement 4, the outer sheath 1 is extruded outside the optical communication components 2, and the optical communication components 2 are composed of a loose tube 21 and four optical fiber ribbons 22 inside, the middle parts of the upper and lower sides of the loose tube 21 are recessed inwards to form two positioning slots 26, the left and right sides of the loose tube 21 are recessed inwards to form two arc-shaped slots 24, one of the arc-shaped slots 24 is attached to the outer wall of the central reinforcement 4, a cross-shaped support member 23 is further arranged inside the loose tube 21, the support member 23 is composed of a cross bar and a vertical bar, the support member 23 divides the inside of the loose tube 21 into four cavities 25, each cavity 25 contains one optical fiber ribbon 22, the inside wall that the 23 montant both ends of supporting component correspond with constant head tank 26 respectively links to each other, and the inside wall middle part that 23 horizontal pole both sides of supporting component correspond with arc wall 24 is inconsistent, the optic fibre area body 22 is stacked by two piece at least optic fibre and forms, the optic fibre area is formed by two piece at least optic fibre and area, still be equipped with first packing component 3 between two adjacent loose tubes 21, the loose tube 21 outer wall department of meeting of 3 lateral walls of first packing component and constant head tank 26 both sides, still be equipped with a boundary belt 6 between outer jacket 1 and the optical communication part 2, boundary belt 6 is located arc wall 24 and still is equipped with axial sand grip, axial sand grip is the same with 24 shapes of arc wall.
The layer stranded optical fiber ribbon cable with the pressure-resistant loose tube in the embodiment is characterized in that the protective tape is a 6-bit steel tape or an aluminum tape.
In the embodiment, the protective belt 6 is a metal belt, so that the tensile resistance, the compression resistance and the impact resistance of the optical cable can be enhanced; meanwhile, the protective belt 6 is also provided with an axial convex strip, so that the optical cable has good torsion resistance as a bracket; meanwhile, the convex strip is positioned in an arc-shaped groove 24 of the loose tube 21 and is matched with the central reinforcing part 4 to fix the position of the optical communication part 2, so that the internal optical communication part 2 is better protected.
Example 4
Referring to fig. 2 and 5, a stranded optical fiber ribbon cable with a pressure-resistant loose tube comprises an outer sheath 1, at least three optical communication components 2 and a central reinforcement 4, wherein the optical communication components 2 are positioned around the central reinforcement 4, the outer sheath 1 is extruded outside the optical communication components 2, and the optical communication components 2 are composed of a loose tube 21 and four optical fiber ribbons 22 inside, the middle parts of the upper and lower sides of the loose tube 21 are recessed inwards to form two positioning slots 26, the left and right sides of the loose tube 21 are recessed inwards to form two arc-shaped slots 24, one of the arc-shaped slots 24 is attached to the outer wall of the central reinforcement 4, a cross-shaped support member 23 is further arranged inside the loose tube 21, the support member 23 is composed of a cross bar and a vertical bar, the support member 23 divides the inside of the loose tube 21 into four cavities 25, each cavity 25 contains one optical fiber ribbon 22, the inside wall that the 23 montant both ends of supporting component correspond with constant head tank 26 respectively links to each other, and the inside wall middle part that 23 horizontal pole both sides of supporting component correspond with arc wall 24 is inconsistent, the optic fibre area body 22 is stacked by two piece at least optic fibre and forms, the optic fibre area is formed by two piece at least optic fibre and area, still be equipped with electric unit 7 between two adjacent loose tube 21, the department that meets of the loose tube 21 outer wall of electric unit 7 lateral wall and constant head tank 26 both sides, electric unit 7 comprises electric conductor and extrusion molding in the outer insulating layer of electric conductor, be equipped with second packing component 5 in the arc wall 24 inconsistent with outer jacket 1, the outer wall of second packing component 5 laminates with arc wall 24 and 1 inner wall of outer jacket respectively mutually.
The layer-stranded optical fiber ribbon cable with a pressure-resistant loose tube according to the above embodiment is characterized in that the second filling member 5 has elasticity.
In the above embodiment, the layer stranded optical fiber ribbon cable with the pressure-resistant loose tube is characterized in that the electric conductor material is copper or aluminum.
The optical fiber ribbon cable with the pressure-resistant loose tube in the above embodiment is characterized in that the insulating layer is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
In the embodiment, the electric unit is added, so that the optical cable can transmit optical signals and electric energy at the same time, operators do not need to construct optical cables and electric cables which are different twice, the construction strength is reduced, and the construction efficiency is improved.
The layer stranded optical fiber ribbon cable with the pressure-resistant loose tube 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 fiber ribbon cable with the pressure-resistant loose tube according to any of the above embodiments is characterized in that the loose tube 21 is made of polybutylene terephthalate or modified polypropylene.
The layer-stranded optical fiber ribbon cable with the pressure-resistant loose tube according to any of the above embodiments is characterized in that the loose tube 21 and the supporting member 23 are integrally formed, and the processing cost of the loose tube 21 is not increased.
The optical fiber ribbon cable with the pressure-resistant loose tube in the above embodiment is characterized in that the outer sheath 1 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 fiber ribbon cable with the pressure-resistant loose tube according to the above embodiment is characterized in that the central strength member 4 is a phosphated steel wire or a stainless steel wire or a glass fiber reinforced plastic rod.
The utility model provides an among the prior art loose sleeve pipe anti side pressure performance poor, can't mix the fine problem of placing and optical cable structure not compact.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. A layer stranded ribbon optical cable with a pressure-resistant loose tube is provided with an outer protective layer (1), at least three optical communication components (2) and a central reinforcing part (4), wherein the optical communication components (2) are positioned around the central reinforcing part (4), the outer protective layer (1) is extruded outside the optical communication components (2), the optical communication component (2) is composed of a loose tube (21) and four internal optical fiber tape bodies (22), the middle parts of the upper side and the lower side of the loose tube (21) are inwards recessed to form two positioning grooves (26), the left side and the right side of the loose tube (21) are inwards recessed to form two arc-shaped grooves (24), wherein the arc-shaped groove (24) on one side is attached to the outer wall of the central reinforcing part (4), a cross-shaped supporting component (23) is further arranged inside the loose tube (21), the supporting component (23) is composed of a cross rod and a vertical rod, the supporting component (23) divides the inside of the loose tube (21) into four cavities (25), every holds chamber (25) and contains an optic fibre area body (22), and support component (23) montant both ends link to each other with the inside wall that constant head tank (26) correspond respectively, and support component (23) horizontal pole both sides are inconsistent with the inside wall middle part that arc wall (24) correspond, still be equipped with first packing component (3) between two adjacent loose tubes (21), the department that meets of loose tube (21) outer wall of first packing component (3) lateral wall and constant head tank (26) both sides.
2. The layer-stranded optical fiber ribbon cable with a pressure-resistant loose tube according to claim 1, wherein the first filling member (3) is an electrical unit composed of an electrical conductor and an insulating layer extruded outside the electrical conductor.
3. The layer stranded ribbon cable with pressure-resistant loose tube as claimed in claim 1, wherein said optical fiber body (22) is formed by stacking at least two optical fiber ribbons, said optical fiber ribbons being formed by combining at least two optical fibers of a type of g.652, g.653, g.654, g.655, g.656, g.657, A1a, A1b or A1 c.
4. The optical fiber ribbon cable with pressure-resistant loose tube as claimed in claim 1, wherein the material of the loose tube (21) is polybutylene terephthalate or modified polypropylene.
5. The optical fiber ribbon cable with pressure-resistant loose tube as claimed in claim 1, wherein the outer sheath (1) is made of low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
6. The layer stranded optical fiber ribbon cable with pressure-resistant loose tube according to claim 1, wherein the central strength member (4) is a phosphated steel wire or a stainless steel wire or a glass fiber reinforced plastic rod.
7. The optical fiber ribbon cable with a pressure-resistant loose tube according to claim 1, wherein a second filling member (5) is disposed in the arc-shaped groove (24) abutting against the outer sheath (1), and the outer wall of the second filling member (5) is respectively attached to the arc-shaped groove (24) and the inner wall of the outer sheath (1).
8. The layer-stranded optical fiber ribbon cable with a pressure-resistant loose tube according to claim 7, wherein the second filling member (5) has elasticity.
9. The optical fiber ribbon cable with pressure-resistant loose tube of claim 1, characterized in that a protective tape (6) is further disposed between the outer sheath (1) and the optical communication member (2), and the protective tape (6) is disposed in the arc-shaped groove (24) and further provided with an axial rib having the same shape as the arc-shaped groove (24).
10. The layer-stranded optical fiber ribbon cable with a pressure-resistant loose tube according to claim 9, wherein the protective tape (6) is a steel tape or an aluminum tape.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021699271.8U CN212540813U (en) | 2020-08-15 | 2020-08-15 | Layer stranded type ribbon optical cable with pressure-resistant loose sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021699271.8U CN212540813U (en) | 2020-08-15 | 2020-08-15 | Layer stranded type ribbon optical cable with pressure-resistant loose sleeve |
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| CN212540813U true CN212540813U (en) | 2021-02-12 |
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| CN202021699271.8U Active CN212540813U (en) | 2020-08-15 | 2020-08-15 | Layer stranded type ribbon optical cable with pressure-resistant loose sleeve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514926A (en) * | 2021-04-29 | 2021-10-19 | 杭州富通通信技术股份有限公司 | Optical fiber ribbon cable |
| CN113534382A (en) * | 2021-07-28 | 2021-10-22 | 常熟共益信息科技有限公司 | Layer-stranded optical cable with pressure-resistant loose sleeve, ribbon optical cable and manufacturing method thereof |
| CN113655579A (en) * | 2021-08-30 | 2021-11-16 | 江苏长飞中利光纤光缆有限公司 | Layer stranded optical cable with heart-shaped unit |
| CN117111246A (en) * | 2023-10-25 | 2023-11-24 | 江苏永鼎股份有限公司 | Reinforced direct-buried optical cable |
| CN117590540A (en) * | 2024-01-18 | 2024-02-23 | 江苏南方通信科技有限公司 | Reinforced protection type optical cable |
-
2020
- 2020-08-15 CN CN202021699271.8U patent/CN212540813U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514926A (en) * | 2021-04-29 | 2021-10-19 | 杭州富通通信技术股份有限公司 | Optical fiber ribbon cable |
| CN113534382A (en) * | 2021-07-28 | 2021-10-22 | 常熟共益信息科技有限公司 | Layer-stranded optical cable with pressure-resistant loose sleeve, ribbon optical cable and manufacturing method thereof |
| CN113534382B (en) * | 2021-07-28 | 2023-04-07 | 深圳市特发信息股份有限公司 | Layer-stranded optical cable with pressure-resistant loose sleeve, ribbon optical cable and manufacturing method thereof |
| CN113655579A (en) * | 2021-08-30 | 2021-11-16 | 江苏长飞中利光纤光缆有限公司 | Layer stranded optical cable with heart-shaped unit |
| CN113655579B (en) * | 2021-08-30 | 2023-03-03 | 长飞光电线缆(苏州)有限公司 | Layer stranded optical cable with heart-shaped unit |
| CN117111246A (en) * | 2023-10-25 | 2023-11-24 | 江苏永鼎股份有限公司 | Reinforced direct-buried optical cable |
| CN117111246B (en) * | 2023-10-25 | 2023-12-29 | 江苏永鼎股份有限公司 | Reinforced direct-buried optical cable |
| CN117590540A (en) * | 2024-01-18 | 2024-02-23 | 江苏南方通信科技有限公司 | Reinforced protection type optical cable |
| CN117590540B (en) * | 2024-01-18 | 2024-04-02 | 江苏南方通信科技有限公司 | Reinforced protection type optical cable |
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