CN208255487U - A kind of fiber optic cable - Google Patents

A kind of fiber optic cable Download PDF

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Publication number
CN208255487U
CN208255487U CN201820612832.2U CN201820612832U CN208255487U CN 208255487 U CN208255487 U CN 208255487U CN 201820612832 U CN201820612832 U CN 201820612832U CN 208255487 U CN208255487 U CN 208255487U
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CN
China
Prior art keywords
core
fiber
optic cable
core fiber
fiber optic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820612832.2U
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Chinese (zh)
Inventor
肖建军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Furui Cable Ltd By Share Ltd
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Shanghai Furui Cable Ltd By Share Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201820612832.2U priority Critical patent/CN208255487U/en
Application granted granted Critical
Publication of CN208255487U publication Critical patent/CN208255487U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the communications cables, disclose a kind of fiber optic cable, including the successively fixing line of radially secure arrangement, the first single-core fiber and the second single-core fiber;Fixing line includes locating core and axial line is fixedly attached to the flexible protective casing in locating core altogether;First single-core fiber includes optical fiber cable core and the traction-resistant fibre set being socketed on optical fiber cable core, and traction-resistant fibre puts on total axial line and is socketed with flexible protective casing, and the second single-core fiber is identical as the first single-core fiber;It is equipped with separator tube between first single-core fiber and the second single-core fiber, is equipped with buffer bar in separator tube;Solve the problems, such as that its intensity of existing fiber optic cable and tensile capacity are insufficient, fixing line is capable of fixing the posture of fiber optic cable, improve its structural strength, and traction-resistant fibre set can then share the pulling force on optical fiber cable core, improve its tensile capacity, separator tube then can increase the bending resistance of optical fiber cable core, keep fiber optic cable more durable in the stress after sharing optical fiber cable core bending.

Description

A kind of fiber optic cable
Technical field
The utility model relates to the communications cables, more specifically, it relates to a kind of fiber optic cable.
Background technique
Fiber optic cable is a kind of communications cable, is made of at least one glass or plastic light fibre core, these fiber cores positions In in protective coating, covered by plastic pvc outer sleeve.
For optical fiber due to the limitation of material, being easy under tension deformation or animal bites leads to optical fibre damage.Existing optical fiber Its intensity of cable and tensile capacity are all insufficient, and during flexing and cable both ends all have the danger to fracture.
Utility model content
It is all insufficient for its intensity of existing fiber optic cable and tensile capacity, during flexing and cable both ends all In the presence of the dangerous technical problem to fracture, the utility model provides a kind of fiber optic cable, strong with structural strength height, tensile capacity The advantages of.
To achieve the above object, the utility model provides following technical solution:
A kind of fiber optic cable, including the successively fixing line of radially secure arrangement, the first single-core fiber and the second single Optical fiber;
The fixing line includes locating core and axial line is fixedly attached to the flexible protective in the locating core altogether Set;
First single-core fiber includes optical fiber cable core and the traction-resistant fibre set being socketed on the optical fiber cable core, described Traction-resistant fibre puts on total axial line and is socketed with the flexible protective casing, second single-core fiber and the first single-core fiber phase Together;
It is fixedly connected with separator tube between first single-core fiber and second single-core fiber, consolidates in the separator tube Surely it is connected with buffer bar.
Through the above technical solutions, fixing line is capable of fixing the posture of fiber optic cable, its structural strength is improved, and tension is fine Dimension set can then share the pulling force on optical fiber cable core, improve its tensile capacity, and separator tube then can be after sharing optical fiber cable core bending Stress increases the bending resistance of optical fiber cable core, keeps fiber optic cable more durable.
Further, the traction-resistant fibre set is equidistant along the axial line of the optical fiber cable core by more traction-resistant fibre harness Circle distribution composition.
Through the above technical solutions, the traction-resistant fibre set of more traction-resistant fibre Shu Zucheng can have in optical fiber cable core surrounding Even tensile characteristics improve traction-resistant fibre and cover the tensile capacity after bending.
Further, the buffer bar is ellipse, rectilinear direction and institute where long axis along its axial cross section The orientation for stating fixing line, first single-core fiber and second single-core fiber is parallel.
Through the above technical solutions, bend resistance ability of the buffer bar on long axis direction is stronger, to improve fiber optic cable Bending resistance in its orientation.
Further, the buffer bar is fixedly connected with tension item in its long axis upper end.
Through the above technical solutions, being fixed on the resistant to bending of the tension item energy Promoting Layered Buffer item of buffer bar long axis upper end Property.
Further, between the fixing line and first single-core fiber and first single-core fiber and described the It is fixedly connected by the side of the flexible protective casing between two single-core fibers.
Through the above technical solutions, fixing line, the first single-core fiber and the second single-core fiber are connected by flexible protective casing It connects, the internal stress after its bending can be dispersed while with enough structural strengths has enough bending resistances.
Further, the first cushion chamber is provided between the fixing line and first single-core fiber, described first is single Be provided with the second cushion chamber between core fibre and second single-core fiber, second cushion chamber along the fixing line radially Cross section be greater than first cushion chamber cross section.
Through the above technical solutions, the first cushion chamber and the second cushion chamber can make to have on fiber optic cable bending part Even bending radian, so that its uniform internal stress be made to spread out.
Further, filling harness is filled in first cushion chamber and in second cushion chamber.
Through the above technical solutions, filling harness can reduce the section deformation after the first cushion chamber and the bending of the second cushion chamber Amount, enables the first cushion chamber and the second cushion chamber to give full play to the effect of its dispersive stress.
Compared with prior art, the utility model has the beneficial effects that
(1) by the posture of the fixed fiber optic cable of setting fixing line, setting traction-resistant fibre set is shared to be born on optical fiber cable core Pulling force, setting separator tube share optical fiber cable core bending after internal stress, increase the bending resistance of optical fiber cable core, make optical fiber cable Cable is not easily broken;
(2) by setting buffer bar, buffer bar can improve bending resistance of the fiber optic cable in its orientation;
(3) by internal the first cushion chamber and the second cushion chamber filled with filling harness of setting, the first cushion chamber and the Bending radian on the uniform fiber optic cable bending part of two cushion chambers energy.
Detailed description of the invention
Fig. 1 is the overall schematic of the utility model embodiment;
Fig. 2 be the utility model embodiment along fixed spool to schematic cross-section.
Appended drawing reference: 1, fixing line;11, locating core;12, flexible protective casing;2, the first single-core fiber;21, optical fiber cable Core;22, traction-resistant fibre set;23, the first cushion chamber;24, harness is filled;3, the second single-core fiber;31, the second cushion chamber;4, delay Rush item;41, separator tube;42, tension item.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment
A kind of fiber optic cable, as shown in Figure 1, including the successively fixing line 1 of radially secure arrangement, the first single-core fiber 2 And second single-core fiber 3.
As shown in Fig. 2, the locating core 11 made of iron wire of fixing line 1 and the flexible guarantor being socketed in outside locating core 11 Sheath 12 forms, and flexible protective casing 12 is made of plastics and is integrally formed in 11 side of locating core, flexible protective casing 12 with calmly Bit line core 11 is total to axial line.
By optical fiber cable core 21 and altogether, axial line is socketed in the traction-resistant fibre set on optical fiber cable core 21 to first single-core fiber 2 22.Optical fiber cable core 21 is made of an optical fiber and the paint layer coated in optical fiber surface, and traction-resistant fibre set 22 is by more Axial line equidistant circle distribution composition of the root traction-resistant fibre harness along optical fiber cable core 21.Axial line set is total to outside traction-resistant fibre set 22 It is connected to flexible protective casing 12, flexible protective casing 12 is made of plastics and is integrally formed on the side of traction-resistant fibre set 22.It is flexible Protective case 12 can provide protective effect to fixing line 1 and the first single-core fiber 2, more tension fibres in flexible protective casing 12 Dimension beam is evenly distributed on 21 surrounding of optical fiber cable core, makes traction-resistant fibre set 22 that can also have uniform tensile characteristics after bending, increases The tensile capacity of strong traction-resistant fibre set 22.
Second single-core fiber 3 is identical as the first single-core fiber 2, and is located at one of the first single-core fiber 2 far from fixing line 1 Side.It is protected by flexible between fixing line 1 and the first single-core fiber 2 and between the first single-core fiber 2 and the second single-core fiber 3 The side of sheath 12 is integrally formed and is fixedly connected.Meanwhile it can be in fixing line 1, the first single-core fiber 2 and the second single-core fiber 3 Connected flexible protective casing 12 is integrally formed after arranging in their appearance, can also be divided while with enough structural strengths Internal stress after dissipating fiber optic cable bending, improves the bending resistance of fiber optic cable.
Position between first single-core fiber 2 and the second single-core fiber 3 is provided with buffer bar 4, and buffer bar 4 is along the first single The length direction of optical fiber 2 extends.Buffer bar 4 is ellipse along its axial cross section, rectilinear direction where long axis and solid The orientation of alignment 1, the first single-core fiber 2 and the second single-core fiber 3 is parallel.It is arranged with separator tube 41 outside buffer bar 4, is delayed Washing pipe 41 and flexible protective set are integrally formed.Bend resistance ability of the buffer bar 4 on long axis direction is better than its short-axis direction, improves Bending resistance of the fiber optic cable on 4 long axis direction of buffer bar.Buffer bar 4 has been wholely set extension in its long axis upper end The identical tension item 42 in direction.The bending resistance of 42 energy Promoting Layered Buffer item 4 of tension item, further enhances fiber optic cable in buffer bar Bending resistance on 4 long axis directions.
The first cushion chamber 23, the first single-core fiber 2 and the second single are provided between fixing line 1 and the first single-core fiber 2 The second cushion chamber 31 is provided between optical fiber 3, the first cushion chamber 23 and the second cushion chamber 31 are provided in flexible protective casing 12, And second cushion chamber 31 be greater than the cross section of the first cushion chamber 23 along the cross section radially of fixing line 1.In first cushion chamber 23 With in the second cushion chamber 31 be filled with more filling harness 24, fill harness 24 be made of plastics.
The working principle of fiber optic cable are as follows: the locating core 11 in fixing line 1 is capable of fixing the posture of fiber optic cable, improves Its structural strength, flexible protective casing 12 provide protection to locating core 11 and optical fiber cable core 21.After fiber optic cable bending, tension Fibre sleeving 22 can then share the pulling force on optical fiber cable core 21, improve its tensile capacity.Separator tube 41 and buffer bar 4 can shared Stress after the bending of optical fiber cable core 21, increases the bending resistance of optical fiber cable core 21.31 energy of first cushion chamber 23 and the second cushion chamber Enough make that there is uniform bending radian on fiber optic cable bending part, fills harness in the first cushion chamber 23 and the second cushion chamber 31 24 can reduce the section deformation quantity after the first cushion chamber 23 and the bending of the second cushion chamber 31, so that its uniform internal stress be made to disperse It comes, keeps fiber optic cable more durable.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (7)

1. a kind of fiber optic cable, which is characterized in that the fixing line (1) including successively radially secure arrangement, the first single-core fiber (2) and the second single-core fiber (3);
The fixing line (1) include locating core (11) and altogether axial line be fixedly attached to it is soft on the locating core (11) Property protective case (12);
First single-core fiber (2) includes optical fiber cable core (21) and the traction-resistant fibre that is socketed on the optical fiber cable core (21) It covers (22), axial line is socketed with the flexible protective casing (12) altogether on the traction-resistant fibre set (22), second single-core fiber (3) identical as the first single-core fiber (2);
Separator tube (41), the buffering are fixedly connected between first single-core fiber (2) and second single-core fiber (3) Buffer bar (4) are fixedly connected in pipe (41).
2. fiber optic cable according to claim 1, which is characterized in that the traction-resistant fibre set (22) is by more traction-resistant fibres Axial line equidistant circle distribution composition of the harness along the optical fiber cable core (21).
3. fiber optic cable according to claim 1, which is characterized in that the buffer bar (4) is along its axial cross section Ellipse, rectilinear direction and the fixing line (1), first single-core fiber (2) and second list where long axis The orientation of core fibre (3) is parallel.
4. fiber optic cable according to claim 3, which is characterized in that the buffer bar (4) is solid in its long axis upper end Surely tension item (42) are connected with.
5. fiber optic cable according to claim 1, which is characterized in that the fixing line (1) and first single-core fiber (2) pass through the flexible protective casing between and between first single-core fiber (2) and second single-core fiber (3) (12) side is fixedly connected.
6. fiber optic cable according to claim 5, which is characterized in that the fixing line (1) and first single-core fiber (2) it is provided between the first cushion chamber (23), is arranged between first single-core fiber (2) and second single-core fiber (3) Have the second cushion chamber (31), second cushion chamber (31) is greater than described first along the cross section of the fixing line (1) radially The cross section of cushion chamber (23).
7. fiber optic cable according to claim 6, which is characterized in that slow with described second in first cushion chamber (23) It rushes in chamber (31) filled with filling harness (24).
CN201820612832.2U 2018-04-26 2018-04-26 A kind of fiber optic cable Expired - Fee Related CN208255487U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820612832.2U CN208255487U (en) 2018-04-26 2018-04-26 A kind of fiber optic cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820612832.2U CN208255487U (en) 2018-04-26 2018-04-26 A kind of fiber optic cable

Publications (1)

Publication Number Publication Date
CN208255487U true CN208255487U (en) 2018-12-18

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Application Number Title Priority Date Filing Date
CN201820612832.2U Expired - Fee Related CN208255487U (en) 2018-04-26 2018-04-26 A kind of fiber optic cable

Country Status (1)

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CN (1) CN208255487U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109884759A (en) * 2019-04-12 2019-06-14 深圳思锐科电子有限公司 A kind of dynamic black glue fiber optic cable and its processing technology

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109884759A (en) * 2019-04-12 2019-06-14 深圳思锐科电子有限公司 A kind of dynamic black glue fiber optic cable and its processing technology

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181218

Termination date: 20210426

CF01 Termination of patent right due to non-payment of annual fee