CN210090759U - Butterfly-shaped rubber-insulated-wire optical cable - Google Patents

Butterfly-shaped rubber-insulated-wire optical cable Download PDF

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Publication number
CN210090759U
CN210090759U CN201920947617.2U CN201920947617U CN210090759U CN 210090759 U CN210090759 U CN 210090759U CN 201920947617 U CN201920947617 U CN 201920947617U CN 210090759 U CN210090759 U CN 210090759U
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China
Prior art keywords
optical cable
butterfly
outside
cable according
optic fibre
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Expired - Fee Related
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CN201920947617.2U
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Chinese (zh)
Inventor
肖斌
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Suzhou Teruitong Communications Co Ltd
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Suzhou Teruitong Communications Co Ltd
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Priority to CN201920947617.2U priority Critical patent/CN210090759U/en
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Abstract

The utility model discloses a butterfly-shaped rubber-insulated-wire cable, applied in the optical cable field, solved butterfly-shaped leading-in optical cable self very easily shake or receive the damage under adverse circumstances, influenced the technical problem of the life of optical cable, its technical scheme main points are including optic fibre, reinforcement, inner sheath and enhancement suspension wire, the reinforcement symmetric distribution is in optic fibre upper and lower both sides, the inner sheath extrusion molding is in optic fibre and reinforcement outside, the inner sheath outside cover is equipped with the protection subassembly, the protection subassembly includes oversheath, aluminium strip and the water-blocking tape that outside-in range upon range of setting up, inner sheath and water-blocking tape are contradicted, the oversheath extrusion molding is outside enhancement suspension wire and aluminium strip; the protection assembly is sleeved on the butterfly-shaped lead-in optical cable, the service life of the optical cable is prolonged, and the shaking effect of the optical cable is reduced.

Description

Butterfly-shaped rubber-insulated-wire optical cable
Technical Field
The utility model relates to a technical field of optical cable, in particular to butterfly-shaped rubber-insulated-wire cable.
Background
The butterfly-shaped optical cable is a novel user access optical cable, is named after the cross section appearance is like a butterfly, is an optical cable of a user lead-in section in a large-scale application fiber to the FTTH (fiber to the home) network, and is also suitable for optical cables of user lead-in sections of networks such as FTTO (fiber to the home) networks, FTTB (fiber to the home) networks and the like accessed by other optical cables. The method plays a unique role in establishing networks such as intelligent buildings, digital cells, campus networks, local area networks and the like.
The prior Chinese patent with publication number CN103353657A discloses an outdoor overhead butterfly-shaped drop cable, which comprises optical fibers and reinforcing members symmetrically distributed on the upper and lower sides of the optical fibers, and sheaths extruded outside the optical fibers, the reinforcing members and the optical cable reinforcing suspension wires. The reinforcing member adopts a glass reinforced fiber rod, an aramid fiber reinforced fiber rod or a thin steel wire, the optical cable reinforced suspension wire adopts a high-carbon steel wire or a steel strand with excellent tensile capacity, the sheath adopts LSZH or PVC flame-retardant material, the optical fiber adopts bending loss insensitive optical fiber, and the minimum bending radius reaches 15mm or even less. The invention adopts the overhead mode to lay, the construction cost is low; the optical cable reinforcing suspension wire adopts high-carbon steel wires or steel strand wires, can suspend a plurality of optical cables according to requirements, and has good expandability and excellent tensile capability; the sheath is made of LSZH or PVC flame-retardant material, and has good flame-retardant performance.
The above prior art solutions have the following drawbacks: the butterfly-shaped leading-in optical cable is extremely easy to vibrate or be damaged under severe environment, and the service life of the optical cable is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a butterfly rubber-insulated-wire cable has and establishes protective component at the cover on the butterfly-shaped introduction optical cable, improves optical cable life, reduces the effect that optical cable self rocked.
The above technical purpose of the present invention can be achieved by the following technical solutions:
butterfly rubber-insulated-wire cable, including optic fibre, reinforcement, interior sheath and enhancement suspension wire, the reinforcement symmetric distribution is in both sides about optic fibre, interior sheath extrusion molding is in optic fibre and reinforcement outside, interior sheath outside cover is equipped with protection component, protection component includes outside-in range upon range of oversheath, aluminium strip and the area that blocks water that sets up, interior sheath and the area that blocks water are contradicted, the oversheath extrusion molding is in enhancement suspension wire and aluminium strip outside.
Through adopting above-mentioned technical scheme, the protection component cover is located on the inner sheath, further provides the protection for optic fibre, and the oversheath is outmost protection, and the aluminium strip can prevent that steam from transversely getting into the cable core, guarantees vertical electrical conduction simultaneously, and the water-blocking tape prevents that steam from getting into the cable core. The protection component can protect the butterfly rubber-insulated-wire optical cable from being damaged by the outside world on the one hand, and on the other hand also improves the strength of the optical cable, so that the optical cable is not easy to shake, the service life of the optical cable is prolonged, and the reinforcing suspension wire is convenient for the outdoor installation of the optical fiber.
The utility model discloses further set up to: the optical fiber is positioned in the loose tube, fiber paste is filled between the optical fiber and the loose tube, and the inner protection layer is extruded outside the loose tube.
Through adopting above-mentioned technical scheme, optic fibre is fixed in the pine cover intraductally through fine cream, carries out preliminary protection to optic fibre, and the interior sheath outside the pine cover is further protected optic fibre.
The utility model discloses further set up to: the optical fiber is provided with one or more optical fibers, and a V-shaped groove is formed in the position, close to the optical fiber, of the inner protection layer.
Through adopting above-mentioned technical scheme, in one or more optic fibre was fixed in the pine sleeve through fine cream, the offering in V type groove conveniently torn the inner sheath, made to expose the pine sleeve that is equipped with optic fibre.
The utility model discloses further set up to: the rubber layer is further sleeved on the outer side of the inner protection layer and abutted to the water blocking tape.
Through adopting above-mentioned technical scheme, the rubber layer can produce certain deformation, and the rubber layer cover is located on the inner sheath and is contradicted with the area that blocks water for inner sheath itself is difficult for rotating in the area that blocks water.
The utility model discloses further set up to: the section of the protection assembly is rectangular or circular, and the outer sheath and the aluminum strip are connected through an adhesive, and the aluminum strip and the water blocking strip are connected through an adhesive.
By adopting the technical scheme, the protective component can be set into a circular or rectangular section according to actual conditions and requirements; the outer sheath, the aluminum strip and the water blocking tape are connected by using the adhesive, so that the outer sheath and the aluminum strip are not easy to slide relative to each other, and the aluminum strip and the water blocking tape are more stable.
The utility model discloses further set up to: the reinforced suspension wire is formed by twisting a plurality of steel wires, and an adhesive layer wraps the reinforced suspension wire.
Through adopting above-mentioned technical scheme, strengthen the suspension wire and twist by stranded wire rope and form more durable, strengthen the outer parcel of suspension wire and have the viscose layer, the viscose layer can make to strengthen suspension wire self and be difficult for taking place to rotate in the sheath.
The utility model discloses further set up to: the inner protective layer and the outer protective layer are both made of low-smoke halogen-free materials or PVC flame-retardant materials.
By adopting the technical scheme, the flame retardant effect of the low-smoke halogen-free material and the PVC flame retardant material is good, when the optical cable is burnt accidentally, the flame is spread only in a limited range, the residual flame can be extinguished in a limited time, and the loss can be reduced to the maximum extent.
The utility model discloses further set up to: the reinforcing member is made of glass fiber reinforced plastics.
By adopting the technical scheme, the glass fiber reinforced plastic is commonly called as glass fiber reinforced plastic, the corrosion resistance is good, the designability is strong, and the reinforcing member made of the glass fiber reinforced plastic has excellent performance and can play a better reinforcing role on the optical cable.
The utility model discloses further set up to: the reinforcing members are provided in four, four being symmetrical about the center of the optical fiber.
By adopting the technical scheme, the four reinforcing components which are symmetrical about the center of the optical fiber further play a role in reinforcing the structure of the inner sheath.
To sum up, the utility model discloses following beneficial effect has:
1. the optical fiber can be further protected on the basis of the inner protective layer through the arrangement of the protective component and the reinforcing suspension wire, so that the optical fiber is not easily influenced by the external severe environment, and the optical fiber is not easily shaken and damaged;
2. through the arrangement of the loose tube and the fiber paste, the optical fiber can be stably fixed in the loose tube, and the optical fiber cannot be damaged during extrusion molding of the inner protective layer;
3. the arrangement that the reinforcing suspension wire is wrapped by the adhesive layer can ensure that the reinforcing suspension wire and the outer sheath are not easy to rotate relatively.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 1.
In the figure, 1, an optical fiber; 11. loosening the sleeve; 12. fiber paste; 2. a reinforcing member; 3. an inner protective layer; 31. a V-shaped groove; 32. a rubber layer; 4. reinforcing the suspension wire; 41. an adhesive layer; 5. a guard assembly; 51. an outer sheath; 52. an aluminum strip; 53. a water blocking tape.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): as shown in FIG. 1, for the butterfly-shaped rubber-insulated-wire cable disclosed by the utility model, including optic fibre 1 (see FIG. 2), stiffener 2, interior sheath 3 and enhancement suspension wire 4, stiffener 2 symmetric distribution is in optic fibre 1 upper and lower both sides, and interior sheath 3 extrusion molding is in optic fibre 1 and the 2 outsides of stiffener.
As shown in fig. 1, in the present embodiment, four reinforcing members 2 are provided, the reinforcing members 2 are made of glass fiber reinforced plastic, and the four reinforcing members 2 are symmetrical with respect to the center of the optical fiber 1.
As shown in fig. 1 and 2, the optical fiber 1 is located in the loose tube 11, and the fiber paste 12 is filled between the optical fiber 1 and the loose tube 11, in this embodiment, six optical fibers 1 are arranged in the loose tube 11, and the fiber paste 12 can effectively protect the optical fiber 1 because the optical fiber 1 is made of silicon dioxide. Interior sheath 3 extrusion molding is outside loose sleeve pipe 11, and interior sheath 3 has been seted up V type groove 31 near 1 department of optic fibre, and V type groove 31 conveniently tears interior sheath 3, makes loose sleeve pipe 11 expose.
As shown in fig. 1 and 3, the protective assembly 5 is sleeved on the outer side of the inner protection layer 3, in the embodiment, the cross section of the protective assembly 5 is circular, the protective assembly 5 comprises an outer sheath 51, an aluminum tape 52 and a water blocking tape 53 which are stacked from outside to inside, the inner protection layer 3 is abutted to the water blocking tape 53, the rubber layer 32 is further sleeved on the outer side of the inner protection layer 3, the rubber layer 32 is abutted to the water blocking tape 53, and the inner protection layer 3 is not easy to rotate in the protective assembly 5 due to the arrangement of the rubber layer 32. The outer sheath 51 is connected with the aluminum strip 52 and the aluminum strip 52 is connected with the water blocking strip 53 through adhesives, and the outer sheath 51 and the aluminum strip 52, and the aluminum strip 52 and the water blocking strip 53 cannot rotate relatively due to the adhesive connection.
As shown in fig. 1 and 3, an outer sheath 51 is extruded outside the reinforcing suspension wires 4 and the aluminum strip 52. The reinforced suspension wire 4 is formed by twisting a plurality of steel wires, an adhesive layer 41 is wrapped outside the reinforced suspension wire 4, and the reinforced suspension wire 4 is not easy to slide in the outer sheath 51 due to the adhesive layer 41. In this embodiment, the inner sheath 3 and the outer sheath 51 are both made of low smoke halogen-free material.
The implementation principle of the above embodiment is as follows: the optical fiber 1 is fixed in the loose tube 11 through the fiber paste 12, and then the inner protective layer 3 is extruded outside the loose tube 11, so that the optical fiber 1 is effectively protected; the four reinforcing components 2 are symmetrical about the center of the optical fiber 1, so that the integral rigidity of the inner protection layer 3 is further improved, and the inner protection layer is not easy to break; the protective component 5 is arranged outside the inner sheath, the aluminum tape 52 and the water blocking tape 53 can prevent water vapor from entering the optical fiber 1 to influence signal transmission, and the outer sheath 51 and the inner sheath 3 are made of flame-retardant materials, so that the possibility and range of the optical fiber 1 burnt by fire can be reduced; the arrangement of the adhesive layer 41 outside the reinforcing suspension wire 4 ensures that the reinforcing suspension wire 4 is not easy to slide relative to the outer sheath 51, and the stability is high.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (9)

1. Butterfly rubber-insulated-wire cable, including optic fibre (1), reinforcing member (2), interior sheath (3) and enhancement suspension wire (4), both sides about reinforcing member (2) symmetric distribution is in optic fibre (1), interior sheath (3) extrusion molding is in optic fibre (1) and reinforcing member (2) outside, its characterized in that: the protective assembly (5) is sleeved on the outer side of the inner protective layer (3), the protective assembly (5) comprises an outer sheath (51), an aluminum strip (52) and a water blocking strip (53) which are arranged in a stacking mode from outside to inside, the inner protective layer (3) is abutted to the water blocking strip (53), and the outer sheath (51) is extruded outside the reinforcing suspension wire (4) and the aluminum strip (52).
2. The butterfly-shaped covered wire optical cable according to claim 1, wherein: the optical fiber (1) is located in the loose tube (11), fiber paste (12) is filled between the optical fiber (1) and the loose tube (11), and the inner protection layer (3) is extruded outside the loose tube (11).
3. The butterfly-shaped covered wire optical cable according to claim 2, wherein: the optical fiber (1) is provided with one or more optical fibers, and a V-shaped groove (31) is formed in the position, close to the optical fiber (1), of the inner protection layer (3).
4. The butterfly-shaped covered wire optical cable according to claim 1, wherein: the rubber layer (32) is further sleeved on the outer side of the inner protection layer (3), and the rubber layer (32) is abutted to the water blocking tape (53).
5. The butterfly-shaped covered wire optical cable according to claim 1, wherein: the section of the protection component (5) is rectangular or circular, and the outer sheath (51) and the aluminum strip (52) are connected through adhesive, and the aluminum strip (52) and the water blocking strip (53) are connected through adhesive.
6. The butterfly-shaped covered wire optical cable according to claim 1, wherein: the reinforced suspension wire (4) is formed by twisting a plurality of steel wires, and an adhesive layer (41) is wrapped outside the reinforced suspension wire (4).
7. The butterfly-shaped covered wire optical cable according to claim 1, wherein: the inner protective layer (3) and the outer protective layer (51) are both made of low-smoke halogen-free materials or PVC flame-retardant materials.
8. The butterfly-shaped covered wire optical cable according to claim 1, wherein: the reinforcing member (2) is made of glass fiber reinforced plastics.
9. The butterfly-shaped covered wire optical cable according to claim 8, wherein: the number of the reinforcing members (2) is four, and the four reinforcing members (2) are symmetrical with respect to the center of the optical fiber (1).
CN201920947617.2U 2019-06-22 2019-06-22 Butterfly-shaped rubber-insulated-wire optical cable Expired - Fee Related CN210090759U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920947617.2U CN210090759U (en) 2019-06-22 2019-06-22 Butterfly-shaped rubber-insulated-wire optical cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920947617.2U CN210090759U (en) 2019-06-22 2019-06-22 Butterfly-shaped rubber-insulated-wire optical cable

Publications (1)

Publication Number Publication Date
CN210090759U true CN210090759U (en) 2020-02-18

Family

ID=69483751

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920947617.2U Expired - Fee Related CN210090759U (en) 2019-06-22 2019-06-22 Butterfly-shaped rubber-insulated-wire optical cable

Country Status (1)

Country Link
CN (1) CN210090759U (en)

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Granted publication date: 20200218