CN212647110U - Embedded compression-resistant optical cable - Google Patents

Embedded compression-resistant optical cable Download PDF

Info

Publication number
CN212647110U
CN212647110U CN202021767631.3U CN202021767631U CN212647110U CN 212647110 U CN212647110 U CN 212647110U CN 202021767631 U CN202021767631 U CN 202021767631U CN 212647110 U CN212647110 U CN 212647110U
Authority
CN
China
Prior art keywords
loose tube
embedded
supporting
optical cable
protective layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202021767631.3U
Other languages
Chinese (zh)
Inventor
戴丽芬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changshu Gaotong Intelligent Equipment Co ltd
Original Assignee
Changshu Gaotong Intelligent Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changshu Gaotong Intelligent Equipment Co ltd filed Critical Changshu Gaotong Intelligent Equipment Co ltd
Priority to CN202021767631.3U priority Critical patent/CN212647110U/en
Application granted granted Critical
Publication of CN212647110U publication Critical patent/CN212647110U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Light Guides In General And Applications Therefor (AREA)

Abstract

The utility model belongs to the cable field especially relates to an embedded resistance to compression optical cable, has outer jacket, three piece at least pine sleeve pipes, reinforcement, loose intraductal optical communication part that is equipped with of cover, its characterized in that the outer jacket comprises a plurality of outer jacket main parts, and the inside pine sleeve pipe appearance chamber that forms of each outer jacket main part, the other end in pine sleeve pipe appearance chamber forms an embedding mouth, and embedding mouth both sides are respectively connected a first support component, and two adjacent first support components are connected, and the outside sheath's of junction inside is equipped with a support cover, the pine sleeve pipe is located pine sleeve pipe appearance chamber, the reinforcement comprises reinforcement main part and a plurality of second support components that are located reinforcement main part outer wall, the second support component top still is equipped with a support head, and each support head imbeds in the corresponding support sleeve; the utility model has the advantages of simple structure, convenient construction, low cost, high production efficiency, side pressure resistance, stretch resistance, torsion resistance and the like.

Description

Embedded compression-resistant optical cable
Technical Field
The utility model belongs to the cable field especially relates to an embedded resistance to compression optical cable.
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, as disclosed in CN108666026B, an optical cable with bending resistance includes an electrical transmission unit, a cylindrical water-stop layer, an inner sheath, an armor layer, and an outer sheath sequentially covering the electrical transmission unit, wherein the number of the electrical transmission unit is 3-7, the electrical transmission unit is independent from each other and is disposed in the water-stop layer, each electrical transmission unit includes 2 optical fibers disposed in a flexible sleeve and respectively covered with an insulating layer, the electrical transmission unit is cylindrical and is internally tangent to the water-stop layer; the method is characterized in that: the waterproof electric transmission device is characterized by further comprising an elastic core, wherein the cross section of the elastic core extends along the central line of the waterproof layer is a positive N-shaped edge, N is 3-7, the electric transmission unit is respectively provided with fan-shaped grooves formed along the central line of the electric transmission unit towards the elastic core, N top angles of the positive N-shaped edge of the elastic core are respectively embedded into the fan-shaped grooves, and the central angle of each fan-shaped groove is smaller than that of each top angle.
The above prior art has the following disadvantages: 1. when the optical cable is subjected to pressure, the pressure extrudes the insulating layer and the optical fiber inside through the filler 11, so that the additional attenuation of the optical fiber is large or the optical fiber is broken; 2. when the optical fiber is taken, the multi-layer protective layer outside the optical fiber needs to be damaged, and the construction and maintenance are inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses an embedded compression-resistant optical cable, which is implemented by the following technical solution.
An embedded compression-resistant optical cable is provided with an outer protective layer, at least three loose tubes and a reinforcing piece, wherein at least one optical communication component is arranged in each loose tube, the embedded compression-resistant optical cable is characterized in that the outer protective layer is composed of a plurality of outer protective layer main bodies, a loose tube accommodating cavity is formed in each outer protective layer main body, the loose tube accommodating cavity is in a jujube-core shape, one end of the loose tube accommodating cavity points to the center of the inner part of the outer protective layer, the other end of the loose tube accommodating cavity forms an embedding opening, two sides of the embedding opening are respectively connected with a first supporting component, two adjacent first supporting components are connected, a supporting sleeve is arranged in the outer protective layer at the connecting position, the supporting sleeve is positioned between the two adjacent outer protective layer main bodies, a central accommodating cavity is formed in each outer protective layer, the loose tubes are positioned in the loose tube accommodating cavities, the reinforcing piece is composed of a reinforcing piece main, the number of the second supporting parts is consistent with that of the loose tube containing cavities, a supporting head is further arranged at the top of each second supporting part, the width d2 of each supporting head is larger than the width of the joint of each second supporting part and the corresponding supporting head, the reinforcing piece is located in the central containing cavity, each supporting head is embedded into the corresponding supporting sleeve, the width d2 of each supporting head is larger than the opening width d1 of each supporting sleeve, the opening width d1 of each supporting sleeve is smaller than the inner diameter of the inner cavity of each supporting sleeve, and the loose tube containing cavities are located between every two adjacent second supporting parts.
The embedded compression-resistant optical cable is characterized in that the loose tube cavity is not in contact with the second support component.
The embedded compression-resistant optical cable is characterized in that the loose tube is date-core-shaped.
The embedded pressure-resistant optical cable is characterized in that the optical communication component is an optical fiber.
The embedded pressure-resistant optical cable 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 embedded pressure-resistant optical cable is characterized in that the optical communication component is an optical fiber ribbon formed by combining at least two optical fibers.
The embedded compression-resistant optical cable is characterized in that the loose tube material is polybutylene terephthalate or modified polypropylene.
The embedded compression-resistant optical cable is characterized in that when two ends of the embedding opening are in contact, the inner wall of the cavity of the loose tube cannot extrude the loose tube.
The embedded compression-resistant optical cable is characterized in that the side wall of the cavity of the loose tube is provided with a plurality of holes to form a hollow shape.
The embedded compression-resistant optical cable 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.
In the utility model, the loose tube can be embedded into the loose tube containing cavity through the embedding port, and the loose tube is jujube-core-shaped, so that the loose tube is more convenient to embed; the loose tube and the loose tube cavity are in a jujube-core shape, so that the loose tube can be prevented from being twisted in the loose tube cavity, and the additional attenuation is too large to influence the use when the optical fiber transmits optical signals; the reinforcing part and the outer protection layer main body are supported through the supporting sleeve and the supporting head, so that the reinforcing part is not directly contacted with the outer protection layer main body, when the optical cable is extruded by external force, pressure is transmitted to the reinforcing part through the first supporting part and cannot be extruded to the loose tube accommodating cavity so as to be extruded to the loose tube, and the optical fiber or the optical fiber ribbon in the loose tube is protected from being influenced; during construction, the loose tube can be directly taken out without damaging the outer protective layer due to the fact that the optical cable is provided with the embedding opening, and when the optical fiber in the loose tube breaks down, the loose tube where the broken optical fiber is located can be directly replaced, so that the method is fast and convenient, and the construction efficiency is improved; the utility model does not need to use materials such as yarn binding and belt binding to tie the loose tube, thereby saving cost, reducing production procedures and improving production efficiency; the strength member is provided with the second supporting part, and tensile resistance of the optical cable is enhanced.
Therefore, the utility model has the advantages of simple structure, convenient construction, low cost, high production efficiency, lateral pressure resistance, stretch resistance, torsion resistance and the like.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a front view of embodiment 1 of the present invention.
Fig. 3 is a schematic perspective view of embodiment 2 of the present invention.
Fig. 4 is a front view of embodiment 2 of the present invention.
Fig. 5 is a front view of the outer sheath of the present invention.
Fig. 6 is a front view of the reinforcement of the present invention.
In the figure: 1. the optical fiber cable comprises an outer protective layer, 11, a first supporting part, 12, an outer protective layer main body, 13, an embedding opening, 14, a loose tube containing cavity, 15, a supporting sleeve, 16, a central containing cavity, 2, a loose tube, 3, an optical fiber, 4, a reinforcing member, 41, a reinforcing member main body, 42, a second supporting part, 43, a supporting head, 5, an optical fiber band and d1., an opening width of the supporting sleeve and d2, a supporting head width.
Detailed Description
Example 1
Referring to fig. 1, 2, 5 and 6, an embedded compression-resistant optical cable comprises an outer protective layer 1, at least three loose tubes 2 and a reinforcing member 4, wherein at least one optical fiber 3 is arranged in each loose tube 2, and is characterized in that the outer protective layer 1 is composed of a plurality of outer protective layer main bodies 12, a loose tube accommodating cavity 14 is formed in each outer protective layer main body 12, the loose tube accommodating cavity 14 is in a jujube shape, one end of the loose tube accommodating cavity 14 points to the center of the inner protective layer 1, the other end of the loose tube accommodating cavity 14 forms an embedded opening 13, two sides of the embedded opening 13 are respectively connected with a first supporting part 11, two adjacent first supporting parts 11 are connected, a supporting sleeve 15 is arranged in the outer protective layer 1 at the connection position, the supporting sleeve 15 is located between two adjacent outer protective layer main bodies 12, a central accommodating cavity 16 is formed in each outer protective layer 1, the loose tube 2 is located in the loose tube accommodating cavity 14, the loose tube 2 is in a jujube-core shape, the reinforcing part 4 is composed of a reinforcing part main body 41 and a plurality of second supporting parts 42 located on the outer wall of the reinforcing part main body 41, the number of the second supporting parts 42 is consistent with that of the loose tube accommodating cavity 14, a supporting head 43 is further arranged at the top of each second supporting part 42, the width d2 of the supporting head is larger than the width of the joint of the second supporting part 42 and the supporting head 43, the reinforcing part 4 is located in the central accommodating cavity 16, each supporting head 43 is embedded into the corresponding supporting sleeve 15, the width d2 of the supporting head is larger than the opening width d1 of the supporting sleeve, the opening width d1 of the supporting sleeve is smaller than the inner diameter of the inner cavity of the supporting sleeve 15, the loose tube accommodating cavity 14 is located between two adjacent second supporting parts 42, and the loose tube accommodating cavity 14 is not in contact with the second supporting.
Example 2
Referring to fig. 3, 4, 5 and 6, an embedded compression-resistant optical cable comprises an outer sheath 1, at least three loose tubes 2 and a reinforcing member 4, wherein at least one optical fiber ribbon 5 is arranged in each loose tube 2, and is characterized in that the outer sheath 1 is composed of a plurality of outer sheath main bodies 12, a loose tube cavity 14 is formed in each outer sheath main body 12, the loose tube cavity 14 is in a date core shape, one end of the loose tube cavity 14 points to the center of the inner part of the outer sheath 1, the other end of the loose tube cavity 14 forms an insertion opening 13, two sides of the insertion opening 13 are respectively connected with a first supporting part 11, two adjacent first supporting parts 11 are connected, a supporting sleeve 15 is arranged in the outer sheath 1 at the connection position, the supporting sleeve 15 is located between two adjacent outer sheath main bodies 12, a central cavity 16 is formed in the outer sheath 1, the loose tube 2 is located in the loose tube cavity 14, the loose tube 2 is in a jujube-core shape, the reinforcing member 4 is composed of a reinforcing member main body 41 and a plurality of second supporting members 42 located on the outer wall of the reinforcing member main body 41, the number of the second supporting members 42 is the same as that of the loose tube accommodating cavity 14, a supporting head 43 is further arranged at the top of the second supporting member 42, the width d2 of the supporting head is larger than the width of the joint of the second supporting member 42 and the supporting head 43, the reinforcing member 4 is located in the central accommodating cavity 16, each supporting head 43 is embedded into the corresponding supporting sleeve 15, the width d2 of the supporting head is larger than the opening width d1 of the supporting sleeve, the opening width d1 of the supporting sleeve is smaller than the inner diameter of the inner cavity of the supporting sleeve 15, so that the supporting head 43 can be clamped by the supporting sleeve 15, the reinforcing member 4 is prevented from moving in the central accommodating cavity 16, the loose tube accommodating cavity 14 is located between two adjacent second supporting members 42, and the loose tube, the optical fiber ribbon is formed by combining at least two optical fibers 3.
Example 3
An embedded compression-resistant optical cable is provided with an outer protective layer 1, at least three loose tubes 2 and a reinforcing piece 4, wherein at least one optical fiber 3 is arranged in each loose tube 2, and the embedded compression-resistant optical cable is characterized in that the outer protective layer 1 is composed of a plurality of outer protective layer main bodies 12, a loose tube accommodating cavity 14 is formed in each outer protective layer main body 12, the loose tube accommodating cavity 14 is in a Chinese date core shape, the side wall of the loose tube accommodating cavity 14 is provided with a plurality of holes to form a hollowed-out shape, one end of the loose tube accommodating cavity 14 points to the center inside of the outer protective layer 1, the other end of the loose tube accommodating cavity 14 forms an embedded opening 13, two sides of the embedded opening 13 are respectively connected with a first supporting part 11, two adjacent first supporting parts 11 are connected, a supporting sleeve 15 is arranged in the outer protective layer 1 at the joint, the supporting sleeve 15 is positioned between two adjacent outer protective layer main bodies 12, a central accommodating cavity 16 is, the loose tube 2 is in a jujube-core shape, the reinforcing part 4 is composed of a reinforcing part main body 41 and a plurality of second supporting parts 42 located on the outer wall of the reinforcing part main body 41, the number of the second supporting parts 42 is consistent with that of the loose tube accommodating cavity 14, a supporting head 43 is further arranged at the top of each second supporting part 42, the width d2 of the supporting head is larger than the width of the joint of the second supporting part 42 and the supporting head 43, the reinforcing part 4 is located in the central accommodating cavity 16, each supporting head 43 is embedded into the corresponding supporting sleeve 15, the width d2 of the supporting head is larger than the opening width d1 of the supporting sleeve, the opening width d1 of the supporting sleeve is smaller than the inner diameter of the inner cavity of the supporting sleeve 15, the loose tube accommodating cavity 14 is located between two adjacent second supporting parts 42, and the loose tube accommodating cavity 14 is not in contact with the second supporting.
The embodiment saves materials, saves the production cost of the optical cable, and is convenient to transport and construct by reducing the weight of the optical cable.
The embedded compression-resistant optical cable is characterized in that when two ends of the embedding opening 13 are in contact, the inner wall of the loose tube accommodating cavity 14 cannot extrude the loose tube 2.
The embedded compression-resistant optical cable in any embodiment is characterized in that the loose tube 2 is made of polybutylene terephthalate or modified polypropylene.
The embedded pressure-resistant optical cable is characterized in that the type of the optical fiber 3 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 embedded compression-resistant optical cable in any 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.
In the utility model, the loose tube 2 can be embedded into the loose tube containing cavity 14 through the embedding opening 13, and the loose tube 2 is in a jujube core shape, so that the loose tube 2 is more convenient to be embedded; the loose tube 2 and the loose tube cavity 14 are in a jujube-core shape, so that the situation that the optical fiber 3 is excessively attenuated to influence use when transmitting optical signals due to torsion of the loose tube 2 in the loose tube cavity 14 can be prevented; the reinforcing part 4 and the outer protective layer main body 12 are supported through the supporting sleeve 15 and the supporting head 43, so that the reinforcing part 4 and the outer protective layer main body 12 are not in direct contact, when the optical cable is extruded by external force, pressure is transmitted to the reinforcing part 4 through the first supporting part 11 and is not extruded to the loose tube accommodating cavity 14 and then is extruded to the loose tube 2, and the optical fiber 3 or the optical fiber ribbon 5 in the loose tube 2 is protected from being influenced; during construction, the optical cable is provided with the embedding opening 13, the loose tube 2 can be directly taken out without damaging the outer protective layer 1, and when the optical fiber 3 in the loose tube fails, the loose tube 2 where the failed optical fiber 3 is located can be directly replaced, so that the construction is rapid and convenient, and the construction efficiency is improved; the utility model does not need to use materials such as yarn binding and belt binding to tie the loose tube 2, thereby saving the cost, reducing the production procedures and improving the production efficiency; the strength member 4 is provided with a second support member 42 to enhance the tensile resistance of the cable.
The utility model provides an among the prior art optical cable compressive capacity poor, the construction maintenance inconvenient problem.
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. An embedded compression-resistant optical cable is provided with an outer protective layer (1), at least three loose tubes (2) and a reinforcing piece (4), wherein at least one optical communication component is arranged in each loose tube (2), and is characterized in that the outer protective layer (1) is composed of a plurality of outer protective layer main bodies (12), a loose tube accommodating cavity (14) is formed inside each outer protective layer main body (12), the loose tube accommodating cavity (14) is in a jujube-core shape, one end of the loose tube accommodating cavity (14) points to the inner center of the outer protective layer (1), the other end of the loose tube accommodating cavity (14) forms an embedded opening (13), two sides of the embedded opening (13) are respectively connected with a first supporting component (11), two adjacent first supporting components (11) are connected, a supporting sleeve (15) is arranged inside the outer protective layer (1) at the joint, and the supporting sleeve (15) is positioned between the two adjacent outer protective layer main bodies (12), a central cavity (16) is formed inside the outer protective layer (1), the loose tube (2) is positioned in the loose tube cavity (14), the reinforcement (4) is composed of a reinforcement body (41) and a plurality of second support members (42) located on the outer wall of the reinforcement body (41), the number of the second supporting parts (42) is consistent with that of the loose tube accommodating cavities (14), the top of each second supporting part (42) is also provided with a supporting head (43), the support head width d2 is greater than the width of the connection of the second support member (42) and the support head (43), the reinforcing element (4) is positioned in the central cavity (16), each supporting head (43) is embedded in the corresponding supporting sleeve (15), the width d2 of the supporting head is larger than the opening width d1 of the supporting sleeve, the opening width d1 of the supporting sleeve is smaller than the inner diameter of the inner cavity of the supporting sleeve (15), the loose tube cavity (14) is positioned between two adjacent second support parts (42).
2. An embedded crush resistant optical cable according to claim 1, wherein the loose tube cavity (14) is not in contact with the second support member (42).
3. An embedded crush-resistant optical cable according to claim 1, wherein the optical communication part is an optical fiber ribbon (5) formed by splicing at least two optical fibers (3).
4. An embedded crush-resistant optical cable according to claim 1, wherein the material of the loose tube (2) is polybutylene terephthalate or modified polypropylene.
5. An embedded compression resistant optical cable according to claim 1, wherein the inner wall of the loose tube receiving chamber (14) does not press the loose tube (2) when the two ends of the embedded port (13) are in contact.
6. An embedded pressure-resistant optical cable according to claim 1, wherein the side wall of the loose tube cavity (14) has a plurality of holes, which are hollowed out.
7. The embedded type crush-resistant optical cable according to claim 1, wherein the material of the outer sheath (1) is low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
8. An embedded crush-resistant optical cable according to claim 1, wherein the loose tube (2) has a date core shape.
9. An embedded crush-resistant optical cable according to claim 1, wherein the optical communication component is an optical fiber (3).
10. An embedded crush-resistant optical cable according to claim 9, wherein the optical fibers (3) are of type g.652, g.653, g.654, g.655, g.656, g.657, A1a, A1b or A1 c.
CN202021767631.3U 2020-08-22 2020-08-22 Embedded compression-resistant optical cable Expired - Fee Related CN212647110U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021767631.3U CN212647110U (en) 2020-08-22 2020-08-22 Embedded compression-resistant optical cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021767631.3U CN212647110U (en) 2020-08-22 2020-08-22 Embedded compression-resistant optical cable

Publications (1)

Publication Number Publication Date
CN212647110U true CN212647110U (en) 2021-03-02

Family

ID=74787469

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021767631.3U Expired - Fee Related CN212647110U (en) 2020-08-22 2020-08-22 Embedded compression-resistant optical cable

Country Status (1)

Country Link
CN (1) CN212647110U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN113848618A (en) * 2021-09-07 2021-12-28 富通集团(嘉善)通信技术有限公司 Optical cable
CN114545578A (en) * 2022-02-25 2022-05-27 长飞光电线缆(苏州)有限公司 Withstand voltage protection against rodents optical cable

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
CN113848618A (en) * 2021-09-07 2021-12-28 富通集团(嘉善)通信技术有限公司 Optical cable
CN114545578A (en) * 2022-02-25 2022-05-27 长飞光电线缆(苏州)有限公司 Withstand voltage protection against rodents optical cable

Similar Documents

Publication Publication Date Title
CN212647110U (en) Embedded compression-resistant optical cable
CN212569234U (en) High-strength optical cable
CN212540813U (en) Layer stranded type ribbon optical cable with pressure-resistant loose sleeve
CN210109435U (en) Optical cable of layer-stranding structure
CN111781695A (en) Spliced framework optical cable and cable
CN212623256U (en) Optical cable with special-shaped protective sleeve
CN111830653A (en) Optical cable of special-shaped filling rope
CN113655579B (en) Layer stranded optical cable with heart-shaped unit
KR101124895B1 (en) Optical fiber cable with improved waterproof confidence
CN212460140U (en) Layer-stranded ribbon optical cable
CN116665981A (en) Butterfly-shaped optical cable with bending optical fiber ribbon, ribbon-shaped optical cable and power cable
CN113534382B (en) Layer-stranded optical cable with pressure-resistant loose sleeve, ribbon optical cable and manufacturing method thereof
CN212515160U (en) Communication optical cable
CN212515159U (en) High-fiber-core-density optical cable for power communication
CN210626742U (en) Lightning-proof layer stranded ribbon optical cable
CN211265032U (en) Polygonal photoelectric hybrid cable
CN216561137U (en) Rat-proof optical cable with independent support frame
CN213399003U (en) Double-core flat indoor composite optical cable
CN212364676U (en) Optical cable of special-shaped filling rope
KR100974365B1 (en) Optical fiber cable for improving waterproof confidence
CN212623257U (en) Outdoor communication optical cable
CN111863322A (en) Photoelectric hybrid cable with novel structure
CN112731609A (en) Outdoor large-span optical cable
CN213934331U (en) Outdoor large-span optical cable
CN113504617A (en) Water-blocking optical cable with high pressure resistance and high impact resistance

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210302