CN216118106U

CN216118106U - Butterfly-shaped fireproof optical cable

Info

Publication number: CN216118106U
Application number: CN202120994267.2U
Authority: CN
Inventors: 贾文章
Original assignee: Jiangsu Xibei Electronic Network Co ltd
Current assignee: Jiangsu Xibei Electronic Network Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-03-22
Anticipated expiration: 2031-05-11

Abstract

The utility model provides a butterfly-shaped fireproof optical cable which comprises a cable core, wherein a conductor shielding layer is compounded and connected with the outer surface of the cable core, a heat insulation layer is compounded and connected with the outer surface of the conductor shielding layer, a plurality of shock absorption rubber blocks are uniformly arranged on the outer surface of the heat insulation layer, fireproof heat-resistant fillers are filled and wrapped on the outer sides of the shock absorption rubber blocks, and an insulation protection layer is compounded and connected on the outer sides of the fireproof heat-resistant fillers.

Description

Butterfly-shaped fireproof optical cable

Technical Field

The utility model mainly relates to the technical field of optical cables, in particular to a butterfly-shaped fireproof optical cable.

Background

The butterfly-shaped optical cable is a novel user access optical cable, integrates the characteristics of indoor flexible optical cables and self-supporting optical cables, plays an important role in constructing networks such as intelligent buildings, digital communities, campus networks, local area networks and the like, cannot fully play a fireproof effect in the butterfly-shaped optical cable on the market at present, and cannot be suitable for occasions with high fireproof requirements.

The present invention discloses a butterfly-shaped optical cable according to patent document application No. (CN201620715028.8), comprising: tightly wrap optic fibre, first intensity component, second intensity component, sheath, first dampproof course, toughness enhancement layer and second dampproof course, the transversal 8 types of personally submitting of sheath, first intensity component and second intensity component be located two centre of a circle of 8 types respectively, tightly wrap optic fibre and be located first intensity component and second intensity component in the middle of, tightly wrap optic fibre from interior toward having set gradually outward first dampproof course, toughness enhancement layer and second dampproof course. Through the mode, the moisture-proof and waterproof characteristics of the optical cable are improved, the mechanical performance is good, the optical fiber can be fundamentally protected, and the service life of the optical fiber is effectively prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a butterfly-shaped fireproof optical cable which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the butterfly-shaped fireproof optical cable comprises a cable core, wherein a conductor shielding layer is connected to the outer surface of the cable core in a compounding manner, a heat insulation layer is connected to the outer surface of the conductor shielding layer in a compounding manner, a plurality of shock-absorbing rubber blocks are evenly arranged on the outer surface of the heat insulation layer, fire-proof heat-resistant filler is filled and wrapped in the shock-absorbing rubber blocks, and an insulation protection layer is connected to the outer side of the fire-proof heat-resistant filler in a compounding manner.

Preferably, the conductor shielding layer is a nickel alloy layer, the nickel alloy layer has the characteristics of good corrosion resistance, high-temperature strength and magnetic conductivity, the cable core can be protected and shielded, and the transmission effect of the cable core is prevented from being influenced.

Preferably, the heat insulation layer is a glass fiber heat insulation layer, and the glass fiber heat insulation layer has good toughness, impact resistance and fireproof characteristics, and can play a role in effectively protecting the cable core.

Preferably, the inside chamber of putting out a fire that is equipped with of cushion gum piece, the circular through-hole of chamber top surface inner wall that puts out a fire, circular through-hole runs through and extends to the cushion gum piece outside, one side inner wall that circular through-hole is close to insulating protective layer is equipped with the venthole, the inside swing joint of circular through-hole has the activity to stop, can play the effect that weakens the impact force to the cable core through the cushion gum piece to inside is equipped with the subassembly of putting out a fire, can block the burning of fire source to the optical cable.

Preferably, the fire extinguishing chamber is filled with fire extinguishing gas, and the fire of the optical cable can be prevented by the fire extinguishing gas.

Preferably, the fireproof heat-resistant filler is a ceramic cotton filler, the filling thickness of the ceramic cotton filler is consistent with the height of the damping rubber block, a fire source can be isolated through the ceramic cotton filler, the optical cable is protected from being burnt by the fire source, high-temperature conduction is prevented, and the cable core is prevented from being damaged.

Preferably, the insulating protective layer is a fireproof silica gel protective layer, and can play a role in protecting the optical cable.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the fire extinguishing cavity, the circular through hole, the air outlet hole, the movable plug and the fire extinguishing gas, when the optical cable approaches a fire source, the fire extinguishing gas can be expanded by heating to release the fire extinguishing gas to prevent the optical cable from burning; the fireproof heat-resistant filler can isolate a fire source, protect the optical cable from being burnt by the fire source and prevent high-temperature conduction, and prevent the cable core from being damaged.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 1;

fig. 4 is an enlarged schematic view of a region B of fig. 1.

In the figure: 1. a cable core; 11. a conductor shield layer; 12. a thermal insulation layer; 13. a shock-absorbing rubber block; 131. a fire extinguishing chamber; 132. a circular through hole; 133. an air outlet; 134. a movable plug; 135. a fire suppressing gas; 14. fireproof heat-resistant filler; 15. and an insulating protective layer.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 heavily, a butterfly-shaped fireproof optical cable comprises a cable core 1, a conductor shielding layer 11 is connected to the outer surface of the cable core 1 in a composite manner, the conductor shielding layer 11 is a nickel alloy layer, the nickel alloy layer has the characteristics of better corrosion resistance, high-temperature strength and magnetic conductivity, and can shield the cable core 1 while protecting the cable core 1 so as to avoid affecting the transmission effect of the cable core 1, a heat insulation layer 12 is connected to the outer surface of the conductor shielding layer 11 in a composite manner, the heat insulation layer 12 is a glass fiber heat insulation layer, the glass fiber heat insulation layer has the characteristics of better toughness, impact resistance and fire resistance, and can effectively protect the cable core 1, a plurality of cushion rubber blocks 13 are uniformly arranged on the outer surface of the heat insulation layer 12, the cushion rubber blocks 13 are filled with fire-proof heat-proof filler 14, and the fire-proof filler 14 is ceramic wool filler, the packing thickness of the ceramic cotton packing is consistent with the height of the damping rubber block 13, a fire source can be isolated through the ceramic cotton packing, the optical cable is protected from being burnt by the fire source and high-temperature conduction is prevented, the cable core 1 is prevented from being damaged, the outer side of the fireproof heat-resistant packing 14 is compositely connected with the insulating protective layer 15, the insulating protective layer 15 is a fireproof silica gel protective layer, and the optical cable can be protected.

Please refer to fig. 2 and 4, a fire extinguishing chamber 131 is disposed inside the cushion rubber block 13, a circular through hole 132 is disposed on an inner wall of a top surface of the fire extinguishing chamber 131, the circular through hole 132 penetrates and extends to the outside of the cushion rubber block 13, an air outlet 133 is disposed on an inner wall of one side of the circular through hole 132, which is close to the insulating protective layer 15, a movable plug 134 is movably connected inside the circular through hole 132, the cushion rubber block 13 can reduce impact force on the cable core 1, a fire extinguishing assembly is disposed inside the cushion rubber block to prevent burning of the optical cable by a fire source, and a fire extinguishing gas 135 is filled inside the fire extinguishing chamber 131 and can prevent burning of the optical cable by the fire extinguishing gas 135.

The specific operation mode of the utility model is as follows:

the cable core 1 is connected with the conductor shielding layer 11, the cable core 1 can be shielded, the transmission effect of the cable core 1 is prevented from being influenced, the conductor shielding layer 11 is compositely connected with the heat insulation layer 12, the glass fiber heat insulation layer has good toughness, impact resistance and fireproof characteristics, and can play a role in effectively protecting the cable core 1, a plurality of shock absorption rubber blocks 13 are uniformly arranged on the outer surface of the heat insulation layer 12, the impact force on the cable core 1 can be weakened through the shock absorption rubber blocks 13, when the optical cable burns, the fire extinguishing gas 135 in the fire extinguishing cavity 131 inside the shock absorption rubber blocks 13 starts to expand by heating, the movable plug 134 inside the circular through hole 132 is pushed to start to move, the fire extinguishing gas 135 is discharged from the air outlet 133 at the rear side of the through hole movable plug 134, the fire of the optical cable is prevented from being burnt by the fire source, the fire-proof filler 14 is filled and wrapped in the shock absorption rubber blocks 13, and the fire source can be isolated through the fire-proof filler 14, the optical cable is protected from being burnt by a fire source and the high temperature is prevented from being conducted, the cable core 1 is prevented from being damaged, and the insulating protection layer 15 is compositely connected outside the fireproof heat-resistant filler 14, so that the optical cable can be protected.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides a butterfly-shaped fire prevention optical cable, includes cable core (1), its characterized in that, cable core (1) surface complex connection conductor shielding layer (11), conductor shielding layer (11) surface complex connection has insulating layer (12), insulating layer (12) surface evenly is equipped with a plurality of cushion gum pieces (13), cushion gum piece (13) packing parcel has fire-proof heat-resistant filler (14), fire-proof heat-resistant filler (14) outside complex connection insulating protective layer (15).

2. A butterfly-shaped fire protection cable according to claim 1, wherein said conductor shield (11) is a nickel alloy layer.

3. A butterfly-shaped fire protection cable according to claim 1, wherein said thermal insulation layer (12) is a glass fiber thermal insulation layer.

4. The butterfly-shaped fireproof optical cable according to claim 1, wherein a fire extinguishing cavity (131) is arranged inside the shock-absorbing rubber block (13), a circular through hole (132) is formed in the inner wall of the top surface of the fire extinguishing cavity (131), the circular through hole (132) penetrates through and extends to the outside of the shock-absorbing rubber block (13), an air outlet hole (133) is formed in the inner wall of one side, close to the insulating protective layer (15), of the circular through hole (132), and a movable plug (134) is movably connected inside the circular through hole (132).

5. A butterfly-shaped fire protection cable according to claim 4, wherein said extinguishing chamber (131) is internally filled with an extinguishing gas (135).

6. The butterfly-shaped fireproof optical cable according to claim 1, wherein the fireproof and heat-resistant filler (14) is a ceramic wool filler, and the filling thickness of the ceramic wool filler is consistent with the height of the cushion rubber block (13).

7. A butterfly-shaped fire protection cable according to claim 1, wherein said insulating protective layer (15) is a fire-proof silica gel protective layer.