Novel optical fiber packaging tube cable

Abstract

The utility model discloses a novel optical fiber packaging pipe cable comprising a first steel pipe, a second steel pipe which is arranged in the middle of the interior of the first steel pipe and coincides with the axis of the first steel pipe, an optical fiber is arranged in the second steel pipe, and a plurality of communication cables are uniformly arranged between the first steel pipe and the second steel pipe along the circumferential direction. Fillers are arranged among the inner peripheral wall of the first steel pipe, the outer peripheral wall of the second steel pipe and the communication cables, a sheath layer is arranged on the outer side of the first steel pipe, and a safety tearing line is arranged between the sheath layer and the first steel pipe. According to the packaging pipe cable disclosed by the utility model, the optical fiber and the communication cable are combined, so that the transmission requirements of the continuous pipe cable on various photoelectric signals are met; photoelectric units are integrated in the same tube bundle, so that the production cost can be effectively reduced, and the signal transmission efficiency is improved. And the safe tearing line is arranged between the sheath layer and the first steel pipe, so that the sheath layer at the end part of the packaging pipe cable can be stripped conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to photoelectric composite cable technical field especially relates to a novel optical fiber packaging pipe cable. BACKGROUND

[0002] The existing continuous pipe cable structure cannot simultaneously transmit multiple photoelectric signals. When the line is arranged, only the number of wire laying can be increased to meet the purpose of signal transmission, and increasing the number of wires can cause the wires to be easily damaged and the wire to be easily disordered, which is difficult to meet the use requirements of long length transmission. And each cable is individually coated with armor, which increases the overall quality and cost. In addition, the packaging cable at the present stage needs to peel off the packaging layer outside the end part for connection during use. Due to the influence of the hardness and density of the packaging material, it is difficult to peel off the packaging layer, so a novel optical fiber packaging pipe cable is developed. SUMMARY

[0003] The utility model aims at providing a novel optical fiber packaging pipe cable to solve the technical problems mentioned in the background.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] The utility model relates to a novel optical fiber packaging pipe cable, which comprises a first steel pipe, a second steel pipe is arranged in the middle of the first steel pipe and coaxial with the axis of the first steel pipe, an optical fiber is arranged in the second steel pipe, a plurality of communication cables are uniformly arranged along the circumference between the first steel pipe and the second steel pipe, a filler is arranged between the inner circumferential wall of the first steel pipe, the outer circumferential wall of the second steel pipe and the plurality of communication cables, a sheath layer is arranged on the outside of the first steel pipe, and a safety tear line is arranged between the sheath layer and the first steel pipe.

[0006] Further, the material of the first steel pipe and the second steel pipe is stainless steel with a brand of 316L or 825.

[0007] Further, each communication cable comprises seven copper wire conductors uniformly arranged along the circumference and an insulating layer wrapped on the outside of the plurality of copper wire conductors.

[0008] Further, the material of the insulating layer is FEP, PFA or PTFE.

[0009] Further, the material of the filler is PP, FEP, PEFE or PFA.

[0010] Further, the material of the sheath layer is PP, FEP or PFA.

[0011] Further, the sheath layer comprises an inner sheath arranged on the outer peripheral wall of the first steel pipe and an outer sheath arranged outside the inner sheath, a plurality of limiting grooves are arranged on the outer peripheral wall of the inner sheath in the circumferential direction, and a plurality of limiting bosses respectively matched with the limiting grooves are arranged on the inner peripheral wall of the outer sheath; the inner sheath is provided with a safety tearing line on the inner side of the limiting grooves, and the outer sheath is provided with a safety tearing line on the inner end of the limiting bosses.

[0012] Further, the sheath layer comprises an inner sheath arranged on the outer peripheral wall of the first steel pipe and an outer sheath arranged outside the inner sheath, a plurality of limiting grooves are arranged on the outer peripheral wall of the inner sheath in the circumferential direction, and a plurality of limiting bosses respectively matched with the limiting grooves are arranged on the inner peripheral wall of the outer sheath; the inner sheath is provided with a safety tearing line on the inner side of the limiting grooves, and the outer sheath is provided with a safety tearing line on the inner end of the limiting bosses.

[0013] Further, the sheath layer comprises an inner sheath arranged on the outer peripheral wall of the first steel pipe and an outer sheath arranged outside the inner sheath, a plurality of limiting grooves are arranged on the outer peripheral wall of the inner sheath in the circumferential direction, and a plurality of limiting bosses respectively matched with the limiting grooves are arranged on the inner peripheral wall of the outer sheath; the inner sheath is provided with a safety tearing line on the inner side of the limiting grooves, and the outer sheath is provided with a safety tearing line on the inner end of the limiting bosses.

[0014] Compared with the prior art, the utility model has the beneficial technical effects that:

[0015] The utility model discloses a package pipe cable combines optical fiber and communication cable, and the double advantages of optical fiber and cable are combined to meet the transmission demand of various optical signals of the continuous pipe cable. The photoelectric unit is integrated in the same pipe bundle, which can effectively reduce the production cost and increase the signal transmission efficiency. The safety tearing line arranged between the sheath layer and the first steel pipe can facilitate the peeling of the sheath layer at the end of the package pipe cable. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described in connection with the drawings.

[0017] Figure 1 It is the perspective view of the utility model embodiment one;

[0018] Figure 2 It is the sectional view of the utility model embodiment one;

[0019] Figure 3 It is the perspective view of the utility model embodiment two;

[0020] Figure 4 It is the sectional view of the utility model embodiment two;

[0021] Reference Signs: 1, first steel pipe;2, second steel pipe;3, optical fiber;4, communication cable;5,

[0022] Filler;6, sheath layer;6-1, inner sheath;6-1-1, limiting groove;6-2, outer sheath;6-2-1, limiting boss;6-2-2, tear mark;7, safety tearing line. DETAILED DESCRIPTION

[0023] Embodiment one

[0024] As Figures 1-2As shown, a new optical fiber packaging pipe cable comprises a first steel pipe 1, a second steel pipe 2 is arranged in the middle of the first steel pipe 1 and coincides with the axis of the first steel pipe 1, the materials of the first steel pipe 1 and the second steel pipe 2 are stainless steel with 316L or 825, which has good corrosion and rust prevention functions.

[0025] The second steel pipe 2 is provided with optical fibers 3 to realize the optical signal transmission function of the packaging pipe cable.

[0026] A plurality of communication cables 4 are uniformly arranged between the first steel pipe 1 and the second steel pipe 2 in the circumferential direction, each of the communication cables 4 comprises seven copper wire conductors arranged uniformly in the circumferential direction and an insulating layer wrapped outside the plurality of copper wire conductors, and the material of the insulating layer is FEP, PFA or PTFE.

[0027] A filler 5 is arranged between the inner circumferential wall of the first steel pipe 1, the outer circumferential wall of the second steel pipe 2 and the plurality of communication cables 4, and the material of the filler 5 is PP, FEP, PEFE or PFA.

[0028] A sheath layer 6 is arranged outside the first steel pipe 1, and the material of the sheath layer is PP, FEP or PFA.

[0029] The packaging pipe cable disclosed in the utility model combines optical fibers and communication cables, and combines the double advantages of optical fibers and cables to meet the transmission requirements of various optical and electrical signals of the continuous pipe cable. The optical and electrical units are integrated in the same pipe bundle, which can effectively reduce the production cost and increase the signal transmission efficiency.

[0030] A safety tear line 7 is arranged between the sheath layer 6 and the first steel pipe 1, and the safety tear line is arranged to facilitate peeling of the sheath layer at the end of the packaging pipe cable.

[0031] Embodiment two

[0032] As shown in Figure 3 and Figure 4 In this embodiment, the sheath layer 6 comprises an inner sheath 6-1 arranged on the outer circumferential wall of the first steel pipe and an outer sheath 6-2 arranged outside the inner sheath 6-1, and a foaming adhesive is arranged between the outer sheath 6-2 and the inner sheath 6-1.

[0033] A plurality of limiting recesses 6-1-1 are formed in the circumferential wall of the inner sheath 6-1, and a plurality of limiting protrusions 6-2-1 respectively matched with the limiting recesses 6-1-1 are arranged on the inner circumferential wall of the outer sheath 6-2. The inner sheath 6-1 is provided with a safety tear line 7 at the inner side of the limiting recess 6-1-1, and the outer sheath 6-2 is provided with a safety tear line 7 at the inner end of the limiting protrusion 6-2-1. The outer wall of the outer sheath 6-2 is provided with a tear mark 6-2-2 at the position corresponding to the safety tear line 7.

[0034] The sheath layer is arranged as an inner-outer double-layer structure, and the tear ropes are arranged at the weak positions of the inner sheath and the outer sheath, so that the peeling of the end sheath layer of the encapsulated pipe cable is more convenient and labor-saving, and the breakage of the tear rope is avoided to a certain extent.

[0035] The above-described embodiments are only used to describe the preferred modes of the utility model, and do not limit the scope of the utility model. Without departing from the design spirit of the utility model, various deformations and improvements of the technical solutions of the utility model made by the ordinary skilled in the art should fall within the protection scope determined by the claim book of the utility model.

Claims

1. A novel optical fiber encapsulated cable, characterized in that: The device includes a first steel pipe, a second steel pipe with its axis aligned in the middle of the first steel pipe, an optical fiber inside the second steel pipe, and multiple communication cables evenly arranged circumferentially between the first steel pipe and the second steel pipe. A filler is provided between the inner circumferential wall of the first steel pipe, the outer circumferential wall of the second steel pipe, and the multiple communication cables. A sheath layer is provided on the outer side of the first steel pipe, and a safety tear line is provided between the sheath layer and the first steel pipe.

2. The novel optical fiber encapsulated cable according to claim 1, characterized in that: The first and second steel pipes are made of stainless steel of grade 316L or 825.

3. The novel optical fiber encapsulated cable according to claim 1, characterized in that: Each of the aforementioned communication cables includes seven copper conductors evenly arranged circumferentially and an insulating layer covering the outside of the copper conductors.

4. The novel optical fiber encapsulated cable according to claim 3, characterized in that: The insulating layer is made of FEP, PFA, or PTFE.

5. The novel optical fiber encapsulated cable according to claim 1, characterized in that: The filler material is PP, FEP, PEFE or PFA.

6. The novel optical fiber encapsulated cable according to claim 1, characterized in that: The sheath layer is made of PP, FEP or PFA.

7. The novel optical fiber encapsulated cable according to claim 1, characterized in that: The sheath layer includes an inner sheath disposed on the outer peripheral wall of the first steel pipe and an outer sheath disposed outside the inner sheath. The outer peripheral wall of the inner sheath is provided with a plurality of limiting grooves along the circumferential direction, and the inner peripheral wall of the outer sheath is provided with a plurality of limiting protrusions that are respectively adapted to each of the limiting grooves. The inner sheath is provided with safety tear lines on the inner side of the limiting grooves and the outer sheath is provided with safety tear lines on the inner end of the limiting protrusions.

8. The novel optical fiber encapsulated cable according to claim 7, characterized in that: A foamed adhesive is provided between the outer sheath and the inner sheath.

9. The novel optical fiber encapsulated cable according to claim 7, characterized in that: The outer wall of the outer sheath has tear marks at positions corresponding to the safety tear lines.

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