CN219039438U

CN219039438U - Central beam tube type indoor and outdoor general optical cable with high thermal-resistant combustion structure

Info

Publication number: CN219039438U
Application number: CN202222850418.4U
Authority: CN
Inventors: 李国瑜
Original assignee: Shenzhen Lianxun Hi Tech Co ltd
Current assignee: Shenzhen Lianxun Hi Tech Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-05-16
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a central beam tube type indoor and outdoor general optical cable with a high thermal-resistant combustion structure, which comprises a sheath, wherein a heat insulation ring is connected in a jogged manner in the sheath, reinforcing steel wires are fixedly connected between the heat insulation rings, a connecting block is connected in the heat insulation ring, a plastic-coated steel belt is connected in the heat insulation ring in a sliding manner, and flame-retardant cotton is filled and connected between an optical fiber and a loose tube. Through being provided with the cooperation of thermal-insulated ring and fire-retardant cotton and using, the through-hole that the thermal-insulated ring inside set up can play the radiating effect when generating heat, thereby reduce overheated speed and reduce spontaneous combustion risk, when the outside was fired, first open flame was continuous with the sheath of the fire-retardant material of polyethylene, and still kept apart thermal-insulated ring between sheath and the inside optic fibre, thermal-insulated ring was separated from through the connecting block of the fire-retardant material of silicon between the inside optic fibre, and also separated from through fire-retardant cotton between the optic fibre, can make inside optic fibre and external open flame discontinuous like this, thereby make the combustion medium break and play flame retardant efficiency.

Description

Central beam tube type indoor and outdoor general optical cable with high thermal-resistant combustion structure

Technical Field

The utility model belongs to the technical direction of electronic communication equipment, and particularly relates to a central beam tube type indoor and outdoor general optical cable with a high thermal-resistance combustion structure.

Background

Fiber optic cables are communication cable assemblies that utilize one or more optical fibers disposed in a covering sheath as a transmission medium and may be used alone or in groups. The optical cable mainly comprises an optical fiber, a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper aluminum and the like are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line for realizing optical signal transmission, wherein a certain number of optical fibers form a cable core in a certain mode, a sheath is covered outside the cable core, and an outer protective layer is covered outside the cable core. The basic structure of the optical cable generally consists of a cable core, reinforced steel wires, fillers, a sheath and the like, and when the optical cable is used, the phenomena of overheat prevention, flame retardance and overheat spontaneous combustion of the optical cable are generally required, and become the problems to be solved by the people in the field.

Disclosure of Invention

The utility model aims to solve the problems in the prior art by aiming at the central beam tube type indoor and outdoor general optical cable with a high thermal-resistant combustion structure of the prior device.

In order to solve the technical problems, the utility model provides the following technical scheme: the central beam tube type indoor and outdoor general optical cable with the high thermal-resistant combustion structure comprises a sheath, wherein a heat insulation ring is connected in a jogged manner in the sheath, reinforcing steel wires are fixedly connected between the heat insulation rings, a connecting block is connected in the heat insulation ring, a plastic coated steel belt is connected in the heat insulation ring in a sliding manner, and a water resistance sleeve is connected in the plastic coated steel belt in a penetrating manner;

the waterproof sleeve is characterized in that a loose tube is connected inside the waterproof sleeve in a penetrating manner, an optical fiber is connected inside the loose tube in a jogged manner, and flame-retardant cotton is filled and connected between the optical fiber and the loose tube.

The utility model further discloses that the sheath is made of polyethylene, and the vertical sections of the sheath and the heat insulation ring are concentric circles.

The utility model further describes that the connecting blocks are distributed in the heat insulation ring in a circumferential array, two adjacent connecting blocks in the same heat insulation ring are separated by a through hole, and the connecting blocks are made of inorganic silicon flame-retardant materials.

The utility model further discloses that the two groups of the reinforcing steel wires are symmetrically distributed on two sides of the heat insulation ring, and the heat insulation ring is equidistantly distributed on the reinforcing steel wires.

According to the utility model, the water blocking sleeve is internally provided with the hollow groove, the hollow groove is internally provided with the extension part of the loose tube, the two sides of the extension part are connected with the connecting rings, and the connecting rings and the water blocking sleeve are internally connected with the springs.

The utility model further discloses that the loose tube, the extension part and the connecting ring are of an integrated structure, the loose tube is in sliding connection with the water blocking sleeve, the connecting ring and the water blocking sleeve form a telescopic structure through a spring, and the extension part is an overlong part reserved in the water blocking sleeve by the loose tube.

Compared with the prior art, the utility model has the following beneficial effects: in the present utility model, the number of the components,

(1) Through being provided with the cooperation of thermal-insulated ring and fire-retardant cotton and using, the through-hole that the thermal-insulated ring inside set up can play the radiating effect when generating heat, thereby reduce overheated speed and reduce spontaneous combustion risk, when the outside was fired, first open flame was continuous with the sheath of the fire-retardant material of polyethylene, and still kept apart thermal-insulated ring between sheath and the inside optic fibre, thermal-insulated ring was separated from through the connecting block of the fire-retardant material of silicon between the inside optic fibre, and also separated from through fire-retardant cotton between the optic fibre, can make inside optic fibre and external open flame discontinuous like this, thereby make the combustion medium break and play flame retardant efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a partial structure of an insulating ring of the present utility model;

fig. 4 is a schematic cross-sectional view of the loose tube of the present utility model.

In the figure: 1. a sheath; 2. a heat insulating ring; 3. reinforcing steel wires; 4. plastic coated steel strip; 5. a water blocking sleeve; 6. a loose tube; 7. an optical fiber; 8. flame-retardant cotton; 9. a hollow groove; 10. an extension; 11. a connecting ring; 12. a spring; 13. and (5) connecting a block.

Detailed Description

The technical scheme of the present utility model is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a general optical cable of indoor and outdoor of central beam tube formula with high thermal-resistance fires structure, includes sheath 1, and sheath 1 inside gomphosis is connected with thermal-insulated ring 2, and sheath 1 is the polyethylene material, and sheath 1 and thermal-insulated ring 2's vertical cross-section are concentric circles, and the through-hole that thermal-insulated ring 2 inside set up can play the heat dissipation effect when using to generate heat, thereby reduces the overheated speed and reduces the spontaneous combustion risk;

the reinforced steel wires 3 are fixedly connected between the heat insulation rings 2, the reinforced steel wires 3 are provided with two groups, the two groups of reinforced steel wires 3 are symmetrically distributed on two sides of the heat insulation rings 2, the heat insulation rings 2 are equidistantly distributed on the reinforced steel wires 3, the inside of the heat insulation rings 2 is connected with the connecting blocks 13, the inside of the heat insulation rings 2 is slidably connected with the plastic coated steel belts 4, the inside of the plastic coated steel belts 4 is connected with the water blocking sleeves 5 in a penetrating manner, the connecting blocks 13 are distributed inside the heat insulation rings 2 in a circumferential array manner, the two adjacent connecting blocks 13 in the same heat insulation ring 2 are separated by through holes, the connecting blocks 13 are made of inorganic silicon flame-retardant materials, when an external fire starts, firstly, an open fire is connected with the sheath 1 made of polyethylene flame-retardant materials, the heat insulation rings 2 are separated from the internal optical fibers 7 through the connecting blocks 13 made of silicon flame-retardant materials, and flame retardance is facilitated;

the inside of the water-resistant sleeve 5 is connected with a loose tube 6 in a penetrating way, the inside of the loose tube 6 is connected with an optical fiber 7 in a jogged way, a flame-retardant cotton 8 is filled and connected between the optical fiber 7 and the loose tube 6, and the optical fibers 7 are separated by the flame-retardant cotton 8, so that the inside optical fiber 7 is discontinuous with external open flame, and a combustion medium is interrupted, so that a flame-retardant effect is achieved;

the water blocking sleeve 5 is internally provided with a hollow groove 9, the hollow groove 9 is internally provided with an extension part 10 of the loose tube 6, two sides of the extension part 10 are connected with connecting rings 11, the connecting rings 11 are connected with the water blocking sleeve 5, the loose tube 6, the extension part 10 and the connecting rings 11 are of an integrated structure, the loose tube 6 and the water blocking sleeve 5 are in sliding connection, the connecting rings 11 and the water blocking sleeve 5 form a telescopic structure through the springs 12, the extension part 10 is an overlong part reserved in the water blocking sleeve 5 for the loose tube 6, the optical fiber 7 is stressed to drive the loose tube 6 to be stressed, the extension part 10 reserved in the water blocking sleeve 5 is pulled out by the stress of the loose tube 6, the connecting blocks 13 are driven by the stress of the extension part 10 to compress the springs 12, and the springs 12 can buffer and absorb part of external force, so that damage caused by overlarge tension born by the optical fiber 7 can be relieved.

Working principle: the optical fibers 7 at two ends of the optical cable are required to be connected with a using end respectively during use, a through hole formed in the heat insulation ring 2 can play a role in heat dissipation during heating, the overheat speed is reduced, the spontaneous combustion risk is reduced, when the outside fires, firstly, open fire is connected with the sheath 1 made of polyethylene flame retardant materials, the heat insulation ring 2 is further separated from the inner optical fibers 7 by the sheath 1, the heat insulation ring 2 is separated from the inner optical fibers 7 by the connecting block 13 made of silicon flame retardant materials, and the optical fibers 7 are also separated from the inner optical fibers by the flame retardant cotton 8, so that the inner optical fibers 7 are discontinuous with the open fire outside, the burning medium is interrupted, the flame retardant effect is achieved, when the optical fibers 7 receive external force to pull, the optical fibers 7 are stressed to drive the loose tube 6, the loose tube 6 is stressed to be reserved in the extension part 10 inside the water resistance sleeve 5, the extension part 10 is stressed to drive the connecting block 13 to compress the spring 12, the spring 12 can buffer and absorb a part of the external force, the damage caused by the fact that the self-bearing of the 7 is born too large tension is relieved, and when the external force is lost, the outer sleeve 6 is recovered, and the deformation is convenient.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a general optical cable of indoor outdoor of central beam tube formula with high thermal-resistant combustion structure, includes sheath (1), its characterized in that: the waterproof jacket is characterized in that a heat insulation ring (2) is connected to the inside of the jacket (1) in a jogged mode, reinforcing steel wires (3) are fixedly connected between the heat insulation rings (2), a connecting block (13) is connected to the inside of the heat insulation ring (2), a plastic coated steel belt (4) is connected to the inside of the heat insulation ring (2) in a sliding mode, and a waterproof sleeve (5) is connected to the inside of the plastic coated steel belt (4) in a penetrating mode;

the waterproof sleeve is characterized in that a loose tube (6) is connected inside the waterproof sleeve (5) in a penetrating mode, an optical fiber (7) is connected inside the loose tube (6) in a jogged mode, and flame-retardant cotton (8) is filled and connected between the optical fiber (7) and the loose tube (6).

2. A central beam tube type indoor and outdoor general optical cable with high thermal-resistant combustion structure as claimed in claim 1, wherein: the sheath (1) is made of polyethylene, and the vertical sections of the sheath (1) and the heat insulation ring (2) are concentric circles.

3. A central beam tube type indoor and outdoor general optical cable with high thermal-resistant combustion structure as claimed in claim 1, wherein: the connecting blocks (13) are distributed in the heat insulation ring (2) in a circumferential array mode, two adjacent connecting blocks (13) in the same heat insulation ring (2) are separated by a through hole, and the connecting blocks (13) are made of inorganic silicon flame-retardant materials.

4. A central beam tube type indoor and outdoor general optical cable with high thermal-resistant combustion structure as claimed in claim 1, wherein: the reinforced steel wires (3) are provided with two groups, the two groups of reinforced steel wires (3) are symmetrically distributed on two sides of the heat insulation ring (2), and the heat insulation ring (2) is equidistantly distributed on the reinforced steel wires (3).

5. A central beam tube type indoor and outdoor general optical cable with high thermal-resistant combustion structure as claimed in claim 1, wherein: the waterproof sleeve is characterized in that a hollow groove (9) is formed in the waterproof sleeve (5), an extension part (10) of the loose tube (6) is stored in the hollow groove (9), connecting rings (11) are connected to two sides of the extension part (10), and springs (12) are connected to the connecting rings (11) and the waterproof sleeve (5).

6. The central beam tube type indoor and outdoor general optical cable with high thermal-resistant combustion structure according to claim 5, wherein: the loose tube (6), the extension part (10) and the connecting ring (11) are of an integrated structure, the loose tube (6) is in sliding connection with the water blocking sleeve (5), the connecting ring (11) and the water blocking sleeve (5) form a telescopic structure through the spring (12), and the extension part (10) is an overlong part reserved in the water blocking sleeve (5) by the loose tube (6).