CN215116903U

CN215116903U - Optical cable

Info

Publication number: CN215116903U
Application number: CN202120418667.9U
Authority: CN
Inventors: 丛晓红; 张桂林; 张洪雷; 周双双; 刘会天; 刘蒙
Original assignee: Hongan Group Co Ltd
Current assignee: Hongan Group Co Ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-12-10
Anticipated expiration: 2031-02-25

Abstract

The utility model discloses an optical cable, which comprises a sheath, the inside coaxial being equipped with of sheath is cylindric and has elastic reinforcement, periphery wall on be equipped with a plurality of elasticity convex ridges, interior perisporium along circumference on the cladding with the reinforcement encloses the hosepipe including establishing jointly, the hosepipe with support between the reinforcement and paste a plurality of edges the elasticity cover that reinforcement circumference pasted in order, all be equipped with a plurality of optic fibre in the elasticity cover to its interior perisporium with it has fine cream to fill between the periphery wall of optic fibre. The utility model provides a how to enable the cable footpath of optical cable and effectively reduce to make the technical problem that its tensile strength can effectively improve, have low in production cost, lay advantages such as convenient, construction facility and tensile strength are good.

Description

Optical cable

Technical Field

The utility model belongs to the technical field of the optical communication technique and specifically relates to indicate an optical cable.

Background

An optical cable is a communication line that transmits optical signals. The existing optical cable mainly comprises a sheath, a plurality of elastic sleeves and a framework, wherein the elastic sleeves are sleeved with a plurality of optical fibers, and the framework is used for fixing the elastic sleeves, and the existing optical cable has the following defects: firstly, the loose tube is fixed by the framework, so that the production cost of the optical cable is high, and the size of the optical cable is large, thereby causing inconvenience in laying; secondly, because the current optical cable lacks of a buffer component, the optical cable is easy to be damaged by the drag force of construction, thereby influencing the transmission performance and the service life of the optical cable.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved in the present invention is how to effectively reduce the cable diameter of the optical cable and effectively improve the tensile strength.

For solving the technical problem, the utility model provides an optical cable, which comprises a sheath, the inside coaxial being equipped with of sheath is cylindric and has elastic reinforcement, periphery wall on be equipped with a plurality of elasticity convex ridges, interior perisporium along circumference on the cladding have with the reinforcement encloses the hosepipe of establishing including jointly, the hosepipe with support between the reinforcement and paste a plurality of edges the elasticity cover that reinforcement circumference pasted in order, all be equipped with a plurality of optic fibres in the elasticity cover to its interior periphery wall with it has fine cream to fill between the periphery wall of optic fibre.

In an embodiment of the present invention, a tearing rope is further provided between the elastic sleeve and the water blocking tape.

In an embodiment of the present invention, a plurality of glue-coated steel wires are axially inserted into the sheath.

In an embodiment of the present invention, the plurality of glue-coated steel wires are uniformly distributed along the circumference of the sheath.

In an embodiment of the present invention, the elastic sleeve is covered with a shielding layer attached to the inner wall of the water blocking tape.

In an embodiment of the present invention, the shielding layer is a braided layer of tinned copper wire.

In one embodiment of the present invention, the sheath is made of a low smoke, zero halogen, flame retardant, elastomeric material.

In one embodiment of the present invention, the water blocking tape is a glass fiber tape.

In one embodiment of the invention, the reinforcement is made of a resilient non-metallic material.

In one embodiment of the present invention, the elastic ridge is hemispherical.

Compared with the prior art, the technical scheme of the utility model have following advantage:

1. establish the waterproofing area, inside coaxial setting through the internal perisporium at the sheath and be cylindric reinforcement to the elasticity cover that overlaps a plurality of inside is equipped with a plurality of optic fibre supports the setting of pasting between reinforcement and waterproofing area along the circumference of reinforcement, thereby makes the cable footpath of optical cable effectively reduce, low in production cost lays the convenience, and construction convenience, water resistance is good.

2. Through be equipped with a plurality of elasticity convex ridges along circumference on the periphery wall at the sheath, this drag force that just makes its receive during the construction can effectively reduce to make the tensile property of optical cable good, long service life.

Drawings

In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic structural diagram of the present invention;

the specification reference numbers indicate: 1. sheath, 2, reinforcement, 3, elastic ridge, 4, water-blocking tape, 5, elastic sleeve, 6, optical fiber, 7 and fiber paste.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1, an optical cable, including sheath 1, the inside coaxial being equipped with of sheath 1 is cylindricly and has elastic reinforcement 2, is equipped with a plurality of elasticity convex ridges 3 along circumference on the periphery wall of sheath 1, and in this embodiment, elasticity convex ridges 3 are hemispherical, sets up like this and makes the pulling force that can effectively reduce the optical cable and receive when the construction to make the tensile strength of optical cable good, long service life. The inner peripheral wall of sheath 1 coats and encloses water-blocking tape 4 including establishing jointly with reinforcement 2, and in this embodiment, water-blocking tape 4 is the glass fiber band, sets up like this and makes the water resistance of optical cable good. The butt has a plurality of elastic sleeves 5 that paste in order along 2 circumference of reinforcement and lean on between water-blocking tape 4 and reinforcement 2, all is equipped with a plurality of optic fibre 6 in the elastic sleeve 5 to it has fine cream 7 to fill between the periphery wall of its interior perisporium and optic fibre 6, this kind of structure makes and need not the skeleton and just can make the elastic sleeve 5 that inside cover was equipped with a plurality of optic fibre 6 stabilize in sheath 1, thereby enable the cable footpath of optical cable and effectively reduce, and reduced manufacturing cost.

In a preferred embodiment of the present invention, a tearing rope is further provided between the elastic sleeve 5 and the water-blocking tape 4, so that the construction convenience is further improved.

In a preferred embodiment of the present invention, a plurality of circumferentially and uniformly distributed glue-coated steel wires are axially inserted into the sheath 1, so as to improve the strength of the optical cable.

In a preferred embodiment of the present invention, the elastic sheath 5 is covered with a shielding layer attached to the inner wall of the water-blocking tape 4, and the shielding layer is a woven layer of tinned copper wire, so that the optical cable has a strong interference immunity.

In a preferred embodiment of the present invention, the sheath 1 is made of low-smoke halogen-free flame-retardant elastic material, so that the optical cable has good flame-retardant performance.

In a preferred embodiment of the present invention, strength members 2 are made of a resilient non-metallic material, which reduces the weight of the cable.

To sum up, the utility model discloses an establish water blocking tape 4 at the internal perisporium of sheath 1, inside coaxial setting is cylindric reinforcement 2, and with a plurality of inside covers be equipped with the elastic sleeve 5 of a plurality of optic fibre 6 along the circumference of reinforcement 2 support paste the setting between reinforcement 2 and water blocking tape 4, thereby make the cable footpath of optical cable effectively reduce, be equipped with a plurality of elasticity convex ridges 3 along circumference on the periphery wall of sheath 1 again, thereby make the pulling force that the optical cable received during construction effectively reduce, so this optical cable has low in production cost, lay conveniently, construction convenience, water-resistant good and tensile properties advantage such as good.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. The optical cable is characterized by comprising a sheath, wherein a cylindrical elastic reinforcing piece is coaxially arranged in the sheath, a plurality of elastic convex ridges are arranged on the peripheral wall along the circumferential direction, a water blocking tape which surrounds the reinforcing piece together is wrapped on the inner peripheral wall, a plurality of elastic sleeves which are sequentially attached along the circumferential direction of the reinforcing piece are abutted between the water blocking tape and the reinforcing piece, a plurality of optical fibers are arranged in each elastic sleeve, and a fiber paste is filled between the inner peripheral wall of each elastic sleeve and the peripheral wall of each optical fiber.

2. The fiber optic cable of claim 1, wherein a ripcord is further disposed between the elastic jacket and the water-blocking tape.

3. An optical cable according to claim 1, wherein a plurality of rubber-coated wires are axially penetrated on the sheath.

4. An optical cable according to claim 3, wherein a plurality of said rubberized steel wires are evenly distributed along the circumference of said sheath.

5. The optical cable of claim 1, wherein the elastic jacket is collectively covered with a shielding layer attached to an inner wall of the water-blocking tape.

6. An optical cable as claimed in claim 5, wherein the shielding layer is a tinned copper braid.

7. The optical cable of claim 1, wherein the jacket is made of a low smoke, zero halogen, flame retardant elastomeric material.

8. The fiber optic cable of claim 1, wherein the water-blocking tape is a fiberglass tape.

9. The fiber optic cable of claim 1, wherein the strength members are made of a resilient non-metallic material.

10. The fiber optic cable of claim 1, wherein the resilient ridge is hemispherical.