CN217544210U - Rat bite-proof composite optical cable - Google Patents

Abstract

The utility model discloses a rat bite-proof composite optical cable, which comprises an outer sleeve, an optical transmission unit, an insulating tube, an electric transmission unit, a waterproof layer, a reinforced layer, a metal braid layer, a protective layer and an anti-scratch layer; the optical transmission unit is arranged in the outer sleeve; the insulating tube is wrapped on the outer sleeve; the electric transmission unit is arranged in the accommodating space; the waterproof layer is coated on the surface of the insulating tube; the reinforcing layer is coated on the surface of the waterproof layer; the metal braid layer is coated on the surface of the reinforced layer; the protective layer is coated on the surface of the metal braid layer; the anti-scratch layer is coated on the surface of the protective layer. The beneficial blade end is arranged on the surface of the protective layer, after a mouse bites the anti-scratching layer, if the mouse bites the anti-scratching layer, the mouse is scratched by the beneficial blade end to give up continuous biting, and then the metal woven layer is arranged in a matched mode, the mouse bites the protective layer, and the hard metal woven layer protects the optical cable, so that the optical cable is prevented from being damaged due to biting of the mouse, and the service life of the optical cable is prolonged.

Description

Rat-bite-proof composite optical cable

Technical Field

The utility model belongs to the technical field of the optical cable technique and specifically relates to indicate a protection against rodents stings composite optical cable.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fibers (thin glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers forming a cable core according to a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. With the arrival of the information age, the transmission amount of information is increasing explosively, and as an effective means for large-capacity and long-distance transmission, optical fiber cables are widely and massively applied, and the application of the optical fiber cables is gradually developed from long-distance trunk lines to metropolitan area networks and access networks. The function of the optical cable can only be used for optical signal transmission, and the function is too single, so that in practical application, most of the optical cables are compounded with conductors through optical fibers to form the composite optical cable capable of transmitting optical signals and electric signals.

Because the application scope of compound optical cable is wider, and the environment of using is comparatively complicated, probably has the mouse, and when the mouse need grind the tooth, the mouse can carry out the tooth grinding through gnawing optical cable, leads to the optical cable to damage, can not continue to use. Accordingly, there is a need for improvements in existing fiber optic cables.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a composite optical cable for preventing rat bite, which has the function of preventing rat bite and protects the optical cable from being damaged by rat bite.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rat bite-proof composite optical cable comprises an outer sleeve, an optical transmission unit, an insulating tube, an electric transmission unit, a waterproof layer, a reinforcing layer, a metal braid layer, a protective layer and an anti-scratching layer; the optical transmission unit is arranged in the outer sleeve; the optical transmission unit comprises an inner sleeve, an optical fiber and a shielding layer, wherein the inner sleeve is filled with fiber paste, the optical fiber is embedded in the fiber paste, and the shielding layer is arranged on the surface of the inner sleeve in a covering mode; the insulating tube is wrapped on the outer sleeve and forms an accommodating space with the outer sleeve; the electric transmission unit is arranged in the accommodating space and comprises a conductor, and an insulating layer is coated on the surface of the conductor; the waterproof layer is coated on the surface of the insulating tube; the reinforcing layer is coated on the surface of the waterproof layer; the metal braid layer is coated on the surface of the reinforced layer; the protective layer is coated on the surface of the metal braid layer, the surface of the protective layer is provided with the blade ends and the convex columns, and the blade ends and the convex columns are radially arranged at intervals along the surface of the protective layer; the anti-scratching layer is coated on the surface of the protective layer, and the inner surface of the anti-scratching layer is contacted with the convex column so as to form a protective space between the anti-scratching layer and the protective layer.

Preferably, the number of the optical transmission units is four, and the four optical transmission units are equally distributed in the outer sleeve in the radial direction.

Preferably, the number of the electric transmission units is eight, the eight electric transmission units are equally arranged in the receiving space in the radial direction, and a gap is formed between adjacent electric transmission units.

Preferably, the insulating tube is made of EL171H resin.

As a preferred scheme, the waterproof layer is made of polytetrafluoroethylene.

Preferably, the shielding layer is a braided layer of tinned copper wire.

As a preferred scheme, the reinforcing layer is made of TPU.

As a preferred scheme, the metal braided layer is a titanium metal braided layer.

Preferably, the protective layer is made of PPS.

As a preferred scheme, the anti-scratch layer is made of ABS materials.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

by arranging the favorable blade end on the surface of the protective layer, after a mouse bites the anti-scratching layer, if the mouse bites the anti-scratching layer, the mouse can be scratched by the favorable blade end to give up continuous biting, and the metal woven layer is arranged in cooperation with the optical cable, so that even if the mouse bites the protective layer, the optical cable is protected by the hard metal woven layer, the optical cable is effectively prevented from being damaged due to biting of the mouse, and the service life of the optical cable is prolonged.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a cross-sectional view of a preferred embodiment of the present invention.

The attached drawings indicate the following:

10. outer sleeve 20 and light transmission unit

21. Inner tube 22 and optical fiber

23. Shielding layer 24 and fiber paste

30. Insulating tube 301, accommodation space

40. Electrical transmission unit 401, air gap

41. Conductor 42, insulating layer

50. Waterproof layer 60, reinforcing layer

70. Metallic braid 80, protective layer

81. Li Renduan 82, convex column

90. Scratch-proof layer 901, protection space.

Detailed Description

Referring to fig. 1, a detailed structure of a preferred embodiment of the present invention is shown, which includes an outer tube 10, an optical transmission unit 20, an insulating tube 30, an electrical transmission unit 40, a waterproof layer 50, a reinforcing layer 60, a metal braid layer 70, a protective layer 80, and an anti-scratch layer 90.

The light transmission unit 20 is arranged in the outer sleeve 10; the optical transmission unit 20 comprises an inner sleeve 21, an optical fiber 22 and a shielding layer 23, wherein the inner sleeve 21 is filled with fiber paste 24, the optical fiber 22 is embedded in the fiber paste 24, and the shielding layer 23 is coated on the surface of the inner sleeve 21; in this embodiment, the number of the optical transmission units 20 is four, the four optical transmission units 20 are equally arranged in the outer sleeve 10 in the radial direction, and the shielding layer 23 is a tinned copper wire braid layer, which has an excellent shielding function and can well shield electromagnetic interference.

The insulating tube 30 is wrapped on the outer sleeve 10 and forms an accommodating space 301 with the outer sleeve 10; in the present embodiment, the insulating tube 30 is made of EL171H resin.

The electrical transmission unit 40 is arranged in the accommodating space 301, the electrical transmission unit 40 comprises a conductor 41, and the surface of the conductor 41 is covered with an insulating layer 42; in the embodiment, the number of the electrical transmission units 40 is eight, the eight electrical transmission units 40 are equally radially arranged in the receiving space 301, and a gap 401 is formed between adjacent electrical transmission units 40, and the formation of the gap 401 allows the electrical transmission unit 40 to have more space for movement, so that the cable is more flexible.

The waterproof layer 50 is coated on the surface of the insulating tube 30; in this embodiment, the waterproof layer 50 is made of teflon.

The reinforcing layer 60 is coated on the surface of the waterproof layer 50; in this embodiment, the reinforcing layer is made of TPU, which has excellent mechanical strength and can improve the strength of the optical cable.

The metal braid 70 is coated on the surface of the reinforcing layer 60; in this embodiment, the metal braid 70 is a titanium metal braid, and the titanium metal has hardness, so as to resist the biting of rats and protect the optical cable from being damaged by rats.

The protective layer 80 is coated on the surface of the metal braid 70, the surface of the protective layer 80 is provided with sharp blade ends 81 and convex columns 82, the sharp blade ends 81 and the convex columns 82 are radially arranged along the side surface of the protective layer 80 at intervals, when a mouse bites the protective layer 80, the hard sharp blade ends 81 can scratch the mouse, and the mouse is forgotten to bite due to pain after being scratched; in this embodiment, this inoxidizing coating 80 is the PPS material, and PPS material hardness is high, and wear resistance is good, is difficult to be stung by the mouse.

The anti-scratching layer 90 is coated on the surface of the protective layer 80, the inner surface of the anti-scratching layer 90 is in contact with the convex column 82, a protective space 901 is formed between the anti-scratching layer 90 and the protective layer 80, and the contact between the inner surface of the anti-scratching layer 90 and the convex column 82 can ensure that a worker is not scratched by the sharp edge end 81 when operating the optical cable, so that the optical cable is consistent with a traditional optical cable in actual operation and cannot be scratched; in this embodiment, the scratch-proof layer 90 is made of ABS material, which has good toughness and certain strength, and the sharp-edged tip 81 is hard to pierce the scratch-proof layer 90, so the scratch-proof layer 90 is coated on the surface of the protection layer 80, and the sharp-edged tip 81 can be effectively prevented from cutting the worker.

The utility model discloses a design focus lies in: by arranging the favorable blade end on the surface of the protective layer, after a mouse bites the anti-scratching layer, if the mouse bites the anti-scratching layer, the mouse can be scratched by the favorable blade end to give up continuous biting, and the metal woven layer is arranged in cooperation with the optical cable, so that even if the mouse bites the protective layer, the optical cable is protected by the hard metal woven layer, the optical cable is effectively prevented from being damaged due to biting of the mouse, and the service life of the optical cable is prolonged.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a compound optical cable that protection against rodents stung which characterized in that: the device comprises an outer sleeve, an optical transmission unit, an insulating tube, an electric transmission unit, a waterproof layer, a reinforcing layer, a metal braid layer, a protective layer and an anti-scratching layer; the optical transmission unit is arranged in the outer sleeve; the optical transmission unit comprises an inner sleeve, an optical fiber and a shielding layer, wherein the inner sleeve is filled with fiber paste, the optical fiber is embedded in the fiber paste, and the shielding layer is arranged on the surface of the inner sleeve in a covering mode; the insulating tube is wrapped on the outer sleeve and forms an accommodating space with the outer sleeve; the electric transmission unit is arranged in the accommodating space and comprises a conductor, and an insulating layer is coated on the surface of the conductor; the waterproof layer is coated on the surface of the insulating tube; the reinforcing layer is coated on the surface of the waterproof layer; the metal braid layer is coated on the surface of the reinforced layer; the protective layer is coated on the surface of the metal braid layer, the surface of the protective layer is provided with the blade ends and the convex columns, and the blade ends and the convex columns are radially arranged at intervals along the surface of the protective layer; the anti-scratching layer is coated on the surface of the protective layer, and the inner surface of the anti-scratching layer is in contact with the convex column, so that a protective space is formed between the anti-scratching layer and the protective layer.

2. The rat-bite resistant composite optical cable according to claim 1, wherein: the number of the optical transmission units is four, and the four optical transmission units are uniformly distributed in the outer sleeve in the radial direction.

3. The rat-bite resistant composite optical cable according to claim 1, wherein: the number of the electric transmission units is eight, the eight electric transmission units are uniformly arranged in the accommodating space in the radial direction, and gaps are formed between the adjacent electric transmission units.

4. The rat-bite resistant composite optical cable according to claim 1, wherein: the insulating tube is made of EL171H resin.

5. The rat-bite resistant composite optical cable according to claim 1, wherein: the waterproof layer is made of polytetrafluoroethylene.

6. The rat-bite resistant composite optical cable according to claim 1, wherein: the shielding layer is a tinned copper wire braid.

7. The rat-bite resistant composite optical cable of claim 1, wherein: the reinforcing layer is made of TPU.

8. The rat-bite resistant composite optical cable according to claim 1, wherein: the metal braided layer is a titanium metal braided layer.

9. The rat-bite resistant composite optical cable of claim 1, wherein: the protective layer is made of PPS materials.

10. The rat-bite resistant composite optical cable according to claim 1, wherein: the anti-scratch layer is made of ABS materials.

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