CN216248472U - Rat-proof optical cable easy to peel - Google Patents
Rat-proof optical cable easy to peel Download PDFInfo
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- CN216248472U CN216248472U CN202123019365.3U CN202123019365U CN216248472U CN 216248472 U CN216248472 U CN 216248472U CN 202123019365 U CN202123019365 U CN 202123019365U CN 216248472 U CN216248472 U CN 216248472U
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Abstract
The utility model belongs to the field of cables, and particularly relates to an easily stripped rat-proof optical cable which is provided with an outer protective layer, a first sleeve and at least one optical fiber, it is characterized in that the first sleeve consists of a first sleeve body and at least three first limiting parts, a first tearing rope is arranged at the top end of the first limiting part, a second sleeve is arranged between the first sleeve and the outer protective layer, the second sleeve is composed of a second sleeve main body and at least three second limiting parts, a second tearing rope is arranged at the top end of each second limiting part, at least three second limiting grooves are formed in the inner wall of the second containing cavity, the first limiting parts are clamped into the corresponding second limiting grooves, an inner protection layer is arranged between the second sleeve and the outer protection layer, at least three first limiting grooves are formed in the inner wall of the inner protection layer main body, and a second limiting part of the second sleeve is clamped into the corresponding first limiting grooves; the utility model has the advantages of simple structure, easy peeling, good mechanical performance, good rat-proof effect and the like.
Description
Technical Field
The utility model belongs to the field of cables, and particularly relates to an easily-stripped rat-proof optical cable.
Background
With the vigorous development of national 5G network construction, the demand of optical cables is greatly increased, but the optical cables laid in mountainous areas are often bitten by rodents such as squirrels and the like, so that signal transmission is interrupted, and loss is brought to production and life.
In the prior art, as CN211554416U discloses a low time delay high linear density optical cable, including the outer protective sheath, the inboard embedding of outer protective sheath is provided with aramid fiber, it is provided with the rope of tearing to imbed jointly between aramid fiber and the outer protective sheath, the inboard even embedding of aramid fiber is provided with a plurality of optical fiber unit. In the utility model, the size of the optical fiber units is controlled, the required size of the product is relatively small, and the number of the optical fiber core bodies in each optical fiber protective sleeve is finally designed to be 24, so that only 12 optical fiber units are needed for producing a finished 288 core, and the fewer the optical fiber units are, the more easily the consistency of the relative optical fiber length is controlled.
The above prior art has the following disadvantages: 1. when stripping, the stripping position is random, and the protective layer cannot be stripped most easily; 2. the torsion resistance of the optical cable is poor; 3. the rat resistance of the cable was poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model aims to disclose an easily-stripped rat-proof optical cable which is realized by adopting the following technical scheme.
An easily stripped rat-proof optical cable is provided with an outer protective layer, a first sleeve and at least one optical fiber, wherein the outer protective layer is positioned outside the first sleeve, the rat-proof optical cable is characterized in that the first sleeve is composed of a first sleeve main body and at least three first limiting parts positioned on the outer wall of the first sleeve main body, a first tearing rope accommodating groove is formed at the top end of each first limiting part, a first tearing rope is arranged in each first tearing rope accommodating groove, a first inner cavity is formed inside the first sleeve main body, the at least one optical fiber is positioned in each first inner cavity, at least one second sleeve is arranged between the first sleeve and the outer protective layer and composed of a second sleeve main body and at least three second limiting parts positioned on the outer wall of the second sleeve main body, a second tearing rope accommodating cavity is formed at the top end of each second limiting part, and a second tearing rope is arranged in each second tearing rope accommodating cavity, a second containing cavity is formed in the second sleeve main body, at least three second limiting grooves are formed in the positions where non-second limiting parts of the inner wall of the second containing cavity are located, when a second sleeve is arranged, the first limiting parts are clamped into the corresponding second limiting grooves, when two or more second sleeves are arranged, the second sleeve layers are nested, the second limiting parts of the inner second sleeve are clamped into the second limiting grooves of the outer second sleeve, an inner protective layer is arranged between the second sleeve and the outer protective layer and consists of an inner protective layer main body, at least three first limiting grooves are formed in the inner wall of the inner protective layer main body, the second limiting parts of the outermost second sleeve are clamped into the corresponding first limiting grooves, and an optical fiber ribbon is arranged between two adjacent first limiting parts between the first sleeve and the second sleeve.
The easy-to-peel rat-proof optical cable is characterized in that a filling part is arranged between two adjacent second limiting parts of the same second sleeve.
The easy-to-peel rat-proof optical cable is characterized in that the thickness of the second sleeve main body at the top end part of the second limiting groove is less than half of the thickness of other parts and is greater than 1/3 of the thickness of other parts.
The easy-to-peel rat-proof optical cable is characterized in that the thickness of the inner sheath main body at the top end part of the first limiting groove is less than half of the thickness of other parts and is greater than 1/3 of the thickness of other parts.
The easy-to-peel rat-proof optical cable is characterized in that the optical fiber ribbon is arc-shaped.
The easy-to-strip rat-proof 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 easy-to-peel rat-proof optical cable is characterized in that the material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride or nylon.
The easy-to-peel rat-proof optical cable is characterized in that the filling component is a non-metal glass fiber board.
The easy-to-peel rat-proof optical cable is characterized in that the second limiting part and the first limiting part are internally provided with reinforcing parts.
The easy-to-peel rat-proof optical cable is characterized in that the reinforcing piece is a steel wire or a non-metal glass fiber rod.
The utility model has the following beneficial effects:
1. the limiting component and the limiting groove are clamped with each other, so that the relative position of the second sleeve and the first sleeve is fixed, and the torsion resistance of the optical cable is improved.
2. The second is torn the rope and is located second stop part and first stop part's tip with first rope of tearing, finds rapidly when conveniently opening the cable.
3. The second is torn the position that the rope and first are torn the rope and is located the thinnest position of inner sheath and second sleeve pipe main part respectively, makes the cable of opening more laborsaving, can also use thinner to tear the rope, practices thrift the cost of tearing the rope.
4. The filling component is arranged, so that the tensile property of the optical cable can be enhanced, armoring can be formed outside the optical unit, and the lateral pressure resistance of the optical cable is enhanced.
5. Through setting up outer jacket, inner sheath, first sleeve pipe, second sleeve pipe and packing element, the inside optic fibre of multilayer protection can effectively be protected and the optic fibre area is gnawed by rodents such as squirrel and gnaws.
6. The tensile property of the optical cable is improved by arranging the reinforcing piece; and the strengthening units of the optical cable are distributed in the cable core, so that the stress of the optical cable is more uniform.
7. Reach the same tensile effect, this kind of mode adopts many thinner reinforcements, makes the optical cable softer, improves the bending property of optical cable.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a schematic perspective view of a first sleeve according to embodiment 1 of the present invention.
Fig. 3 is a schematic perspective view of a second sleeve according to embodiment 1 of the present invention.
Fig. 4 is a schematic perspective view of an inner sheath layer according to embodiment 1 of the present invention.
Fig. 5 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure: 1. the cable comprises an outer protection layer, 2, an inner protection layer, 21, an inner protection layer main body, 22, a first limiting groove, 3, a filling component, 4, a second sleeve, 41, a second sleeve main body, 42, a second limiting component, 43, a second tearing rope containing cavity, 44, a second containing cavity, 45, a second limiting groove, 5, a second tearing rope, 6, an optical fiber ribbon, 7, a first tearing rope, 8, a first sleeve, 81, a first sleeve main body, 82, a first limiting component, 84, a first tearing rope containing groove, 85, a first inner cavity, 9, an optical fiber and 10 a reinforcing component.
Detailed Description
Example 1
Referring to fig. 1 to 4, an easily stripped rat-proof optical cable includes an outer sheath 1, a first sleeve 8 and at least one optical fiber 9, where the outer sheath 1 is located outside the first sleeve 8, and is characterized in that the first sleeve 8 is composed of a first sleeve main body 81 and three first limiting members 82 located on an outer wall of the first sleeve main body 81, a first tear rope accommodating groove 84 is formed at a top end of the first limiting member 82, a first tear rope 7 is arranged in the first tear rope accommodating groove 84, a first inner cavity 85 is formed inside the first sleeve main body 81, the at least one optical fiber 9 is located in the first inner cavity 85, a second sleeve 4 is arranged between the first sleeve 8 and the outer sheath 1, the second sleeve 4 is composed of a second sleeve main body 41 and six second limiting members 42 located on an outer wall of the second sleeve main body 41, a second tear rope accommodating cavity 43 is formed at a top end of the second limiting members 42, a second tearing rope 5 is arranged in the second tearing rope containing cavity 43, a second containing cavity 44 is formed in the second sleeve main body 41, three second limiting grooves 45 corresponding to the first limiting parts 82 are formed at positions where the second limiting parts 42 are not located on the inner wall of the second containing cavity 44, the first limiting parts 82 are clamped in the corresponding second limiting grooves 45, an inner protection layer 2 is arranged between the second sleeve 4 and the outer protection layer 1, the inner protection layer 2 is composed of an inner protection layer main body 21, six first limiting grooves 22 corresponding to the second limiting parts 42 are formed on the inner wall of the inner protection layer main body 21, the second limiting parts 42 are clamped into the corresponding first limiting grooves 22, a filling part 3 is arranged between two adjacent second limiting parts 42 between the inner protective layer 2 and the second sleeve 4, a fiber ribbon 6 is arranged between two adjacent first limiting parts 82 between the first sleeve 8 and the second sleeve 4.
In this embodiment, the second limiting part 42 is clamped into the first limiting groove 22, and the first limiting part 82 is clamped into the second limiting groove 45, so that the relative positions of the second sleeve 4 and the first sleeve 8 are fixed, and the torsion resistance of the optical cable is improved; the second tearing rope 5 and the first tearing rope 7 are positioned at the ends of the second limiting part 42 and the first limiting part 82, so that the second tearing rope 5 and the first tearing rope 7 can be conveniently and quickly found during cable opening, and the positions of the second tearing rope 5 and the first tearing rope 7 are respectively positioned at the thinnest positions of the inner protection layer 2 and the second sleeve main body 41, so that the cable opening is more labor-saving; the filling component 3 is arranged, so that the tensile property of the optical cable can be enhanced, armoring can be formed outside the optical unit, and the lateral pressure resistance of the optical cable is enhanced; through setting up outer jacket 1, inner sheath 2, first sleeve pipe 8, second sleeve pipe 4 and packing element 3, the multilayer protection can effectively protect inside optic fibre 9 and optic fibre area 6 to be gnawed by rodents such as squirrel and gnaw and eat.
Example 2
Referring to fig. 5 and fig. 2 to 4, an easily stripped rat-proof optical cable includes an outer sheath 1, a first sleeve 8 and at least one optical fiber 9, where the outer sheath 1 is located outside the first sleeve 8, and is characterized in that the first sleeve 8 is composed of a first sleeve main body 81 and three first limiting members 82 located on an outer wall of the first sleeve main body 81, a first tearing rope accommodating groove 84 is formed at a top end of the first limiting member 82, a first tearing rope 7 is arranged in the first tearing rope accommodating groove 84, a first inner cavity 85 is formed inside the first sleeve main body 81, the at least one optical fiber 9 is located in the first inner cavity 85, a second sleeve 4 is arranged between the first sleeve 8 and the outer sheath 1, the second sleeve 4 is composed of a second sleeve main body 41 and six second limiting members 42 located on an outer wall of the second sleeve main body 41, a second tearing rope accommodating cavity 43 is formed at a top end of the second limiting members 42, a second tearing rope 5 is arranged in the second tearing rope accommodating cavity 43, a second accommodating cavity 44 is formed in the second sleeve main body 41, three second limiting grooves 45 corresponding to the first limiting parts 82 are formed at positions where the second limiting parts 42 are not located on the inner wall of the second accommodating cavity 44, the first limiting parts 82 are clamped into the corresponding second limiting grooves 45, an inner protective layer 2 is arranged between the second sleeve 4 and the outer protective layer 1, the inner protective layer 2 is composed of an inner protective layer main body 21, six first limiting grooves 22 corresponding to the second limiting parts 42 are formed on the inner wall of the inner protective layer main body 21, the second limiting parts 42 are clamped into the corresponding first limiting grooves 22, a filling part 3 is arranged between two adjacent second limiting parts 42 between the inner protective layer 2 and the second sleeve 4, an optical fiber ribbon 6 is arranged between two adjacent first limiting parts 82 between the first sleeve 8 and the second sleeve 4, the second limiting part 42 and the first limiting part 82 are internally provided with a reinforcing part 10, and the reinforcing part 10 is a steel wire or a non-metal glass fiber rod.
Compared with embodiment 1, the embodiment has the advantages that the tensile property of the optical cable is improved by arranging the reinforcing member 10; the strengthening units of the optical cable are distributed in the cable core, so that the stress of the optical cable is more uniform; to achieve the same stretching effect, the mode adopts a plurality of thinner reinforcing pieces, so that the optical cable is softer, and the flexibility of the optical cable is improved.
The ratproof optical cable easy to peel off in any embodiment is characterized in that the thickness of the second sleeve main body 41 at the top end part of the second limiting groove 45 is less than half of the thickness of other parts and is greater than 1/3 of the thickness of other parts.
The rat-proof optical cable easy to peel off in any embodiment is characterized in that the thickness of the inner sheath main body 21 at the top end part of the first limiting groove 22 is less than half of the thickness of other parts and is greater than 1/3 of the thickness of other parts.
The easy-to-peel rat-proof optical cable is characterized in that the optical fiber ribbon 6 is arc-shaped.
The easy-to-peel rat-proof optical cable is characterized in that the type of the optical fiber 9 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 easy-to-peel rat-proof optical cable is characterized in that the material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride or nylon.
The easy-to-peel ratproof optical cable is characterized in that the filling component 3 is a non-metal glass fiber board.
The utility model solves the problem that the stripping position is random in the prior art, and the protective layer can not be stripped in the most labor-saving way; the torsion resistance of the optical cable is poor; the protection of the optical cable from rats forms a poor problem.
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 utility model.
Claims (9)
1. The utility model provides an easy protection against rodents optical cable of peeling off, has outer jacket (1), first sleeve pipe (8) and at least one optic fibre (9), outer jacket (1) is located outside first sleeve pipe (8), its characterized in that first sleeve pipe (8) comprise first sleeve pipe main part (81) and at least three first spacing part (82) that are located first sleeve pipe main part (81) outer wall, the top of first spacing part (82) forms one and tears rope appearance groove (84), is equipped with one and tears rope (7) in at least one first tearing rope appearance groove (84), and first sleeve pipe main part (81) are inside to form one first inner chamber (85), and at least one optic fibre (9) are located first inner chamber (85), be equipped with at least one second sleeve pipe (4) between first sleeve pipe (8) and outer jacket (1), second sleeve pipe (4) are by second sleeve pipe main part (41) and at least three second spacing part that are located second sleeve pipe main part (41) outer wall The device comprises a piece (42), a second tearing rope containing cavity (43) is formed at the top end of the second limiting part (42), at least one second tearing rope containing cavity (43) is internally provided with a second tearing rope (5), a second containing cavity (44) is formed in the second sleeve main body (41), at least three second limiting grooves (45) are formed at the positions of the inner wall of the second containing cavity (44) where the second limiting parts (42) are not located, when a second sleeve (4) is provided, the first limiting parts (82) are clamped into the corresponding second limiting grooves (45), when two or more than two second sleeves (4) are provided, the second sleeves (4) are nested layer by layer, the second limiting parts (42) of the inner side second sleeves (4) are clamped into the second limiting grooves (45) of the outer side second sleeves (4), an inner protection layer (2) is arranged between the second sleeves (4) and the outer protection layer (1), interior sheath (2) comprise interior sheath main part (21), and interior sheath main part (21) inner wall forms at least three first spacing groove (22), and second spacing part (42) card of outside second sleeve pipe (4) is gone into in corresponding first spacing groove (22), be equipped with one between two adjacent first spacing part (82) between first sleeve pipe (8) and second sleeve pipe (4) and be equipped with an optic fibre area (6).
2. An easily strippable rat-proof optical cable according to claim 1, characterized in that a filling member (3) is provided between two adjacent second limiting members (42) of the same second tube (4).
3. An easily strippable rat-proof optical cable according to claim 2, characterized in that said filling member (3) is a non-metallic glass fiber plate.
4. An easily strippable rat-proof optical cable according to any one of claims 1 to 3, wherein the thickness of the second ferrule main body (41) at the tip end portion of the second limit groove (45) is less than half of the thickness of the other portion and greater than 1/3 of the thickness of the other portion.
5. The easy-to-peel ratproof optical cable as claimed in claim 4, wherein the thickness of the inner sheath main body (21) at the top end portion of the first limiting groove (22) is less than half of the thickness of the other portion and greater than 1/3 of the thickness of the other portion.
6. An easily strippable rat-proof optical cable according to claim 5, wherein said optical fiber ribbon (6) is curved.
7. An easily stripped rat-proof optical cable according to claim 6, characterized in that the type of the optical fiber (9) 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.
8. An easily strippable rat-proof optical cable according to claim 7, wherein the second stopper part (42) and the first stopper part (82) are provided with reinforcing members (10) therein.
9. An easily strippable rat-proof optical cable according to claim 8, characterized in that said strength member (10) is a steel wire or a non-metallic glass fiber rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123019365.3U CN216248472U (en) | 2021-12-03 | 2021-12-03 | Rat-proof optical cable easy to peel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123019365.3U CN216248472U (en) | 2021-12-03 | 2021-12-03 | Rat-proof optical cable easy to peel |
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| Publication Number | Publication Date |
|---|---|
| CN216248472U true CN216248472U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123019365.3U Active CN216248472U (en) | 2021-12-03 | 2021-12-03 | Rat-proof optical cable easy to peel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117148530A (en) * | 2023-11-01 | 2023-12-01 | 江苏永鼎股份有限公司 | Optical cable capable of preventing mice |
| CN117950132B (en) * | 2024-03-27 | 2024-05-28 | 常熟梁方智能技术有限公司 | Optical cable and cable with diamond loose tubes |
-
2021
- 2021-12-03 CN CN202123019365.3U patent/CN216248472U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117148530A (en) * | 2023-11-01 | 2023-12-01 | 江苏永鼎股份有限公司 | Optical cable capable of preventing mice |
| CN117148530B (en) * | 2023-11-01 | 2023-12-29 | 江苏永鼎股份有限公司 | Optical cable capable of preventing mice |
| CN117950132B (en) * | 2024-03-27 | 2024-05-28 | 常熟梁方智能技术有限公司 | Optical cable and cable with diamond loose tubes |
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