CN208255491U - A kind of self-supporting fiber cable - Google Patents
A kind of self-supporting fiber cable Download PDFInfo
- Publication number
- CN208255491U CN208255491U CN201820614115.3U CN201820614115U CN208255491U CN 208255491 U CN208255491 U CN 208255491U CN 201820614115 U CN201820614115 U CN 201820614115U CN 208255491 U CN208255491 U CN 208255491U
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- Prior art keywords
- core
- bending
- fiber cable
- fiber
- self
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- 239000000835 fiber Substances 0.000 title claims abstract description 134
- 238000005452 bending Methods 0.000 claims abstract description 92
- 239000013307 optical fiber Substances 0.000 claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 206010002515 Animal bite Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
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- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model relates to the communications cables, disclose a kind of self-supporting fiber cable, fixing line, the first single-core fiber and the second single-core fiber including being successively axially fixed arrangement；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 is put on equipped with flexible protective casing, and the second single-core fiber is identical as the first single-core fiber；First single-core fiber is equipped with the first bending item, and the second single-core fiber is equipped with the second bending item；Fixing line is capable of fixing the posture of self-supporting fiber cable, traction-resistant fibre set shares the pulling force on optical fiber cable core, first bending item and the second bending item can be in the internal stress after sharing optical fiber cable core bending, simultaneously, first bending item abuts the root of the second bending item, it avoids self-supporting fiber cable from laterally bending, increases the bending resistance of optical fiber cable core, keep self-supporting fiber cable more durable.
Description
Technical field
The utility model relates to the communications cables, more specifically, it relates to a kind of self-supporting fiber 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 self-supporting fiber cable, the high, tension with structural strength
The strong advantage of ability.
To achieve the above object, the utility model provides following technical solution:
A kind of self-supporting fiber cable, fixing line, the first single-core fiber and including being successively axially fixed arrangement
Two single-core fibers；
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；
The first bending bent towards second single-core fiber is fixedly connected on the side wall of first single-core fiber
Item is fixedly connected with the second bending item bent towards first single-core fiber, institute on the side wall of second single-core fiber
The end for stating the first bending item is protruded into the range of the second bending item bending, and is abutted in the root that described second bends item
Wall.
Through the above technical solutions, fixing line is capable of fixing the posture of self-supporting fiber cable, its structural strength is improved, and
Traction-resistant fibre set can then share pulling force on optical fiber cable core, improve its tensile capacity, and the first bending item bends item with second can be
Internal stress after sharing optical fiber cable core bending, meanwhile, the first bending item abuts the root of the second bending item, avoids self-bearing type light
Fine cable is laterally bent, and increases the bending resistance of optical fiber cable core, keeps self-supporting fiber 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 first bending item is ellipse along its axial cross section, and one end of long axis is in described the
One single-core fiber is fixedly connected.
Through the above technical solutions, bend resistance ability of the first bending item on long axis direction is stronger, to improve self-supporting
Bending resistance of the formula fiber optic cable in its side surface direction.
Further, it is fixedly connected with dustproof sheet in the one side that the second bending item bends item towards described first, institute
Dustproof sheet is stated to be connected to far from one end of the second bending item on the side of the first bending item.
Through the above technical solutions, dustproof sheet can be avoided external impurities between the first bending item and the second bending item
Gap, improve self-supporting fiber cable bending resistance.
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 also having its bending of dispersion 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
The second cushion chamber, first cushion chamber and second cushion chamber are provided between core fibre and second single-core fiber
Axial cross section is circle, and second cushion chamber is greater than first cushion chamber along the cross section of the fixing line radially
Cross section.
Through the above technical solutions, the first cushion chamber and the second cushion chamber can make on self-supporting fiber cable bending part
With uniform bending radian, so that its uniform internal stress be made to spread out.
Further, more filling harness are 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 self-supporting fiber cable of setting fixing line, setting traction-resistant fibre set shares optical fiber cable core
The pulling force of upper receiving, the first bending item and the second bending item can be in the internal stress after sharing optical fiber cable core bending, the first bendings
End abutment second bends the root of item, avoids self-supporting fiber cable from laterally bending, makes self-bearing type self-supporting fiber cable
It is more durable；
(2) 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 self-supporting fiber 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 bending item；3, the second single-core fiber；31, the second bending item；32, dustproof sheet；4, first
Cushion chamber；5, the second cushion chamber；6, harness is filled.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment
A kind of self-supporting fiber cable, as shown in Figure 1, including the successively fixing line 1 of radially secure arrangement, the first single
Optical fiber 2 and the 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 the bending of self-supporting fiber cable, improves the bending resistance of self-supporting fiber cable.
The first bending item 23, the first bending item have been wholely set on the side wall of the outer flexible protective casing 12 of first single-core fiber 2
23 extend along the length direction of the first single-core fiber 2, and the first side ends of the bending articles 23 far from the first single-core fiber 2 are towards the
The bending of two single-core fibers 3.It has been wholely set the second bending item 31 on the side wall of the outer flexible protective casing 12 of second single-core fiber 3, the
Two bending items 31 extend along the length direction of the second single-core fiber 3, the second bending side end of the item 31 far from the second single-core fiber 3
Portion is bent towards the first single-core fiber 2.The end of first bending item 23 is protruded into the opening range of the second bending item 31 bending, and
Abut the root inner wall of the second bending item 31.First bending item 23 abuts the root of the second bending item 31, improves self-supporting fiber
The lateral bending resistance of cable.First bending item 23 is ellipse along its axial cross section, fixes and connects with the first single-core fiber 2
The one end connect is on its long axis.Bend resistance ability of the first bending item 23 on long axis direction is stronger, to further increase certainly
Hold the side bending resistance of formula fiber optic cable.It is had the gap before second bending item 31 and the first bending item 23, in order to avoid the external world
Dust impurity enter the service life in gap and reducing self-supporting fiber cable, the second bending item 31 is towards the first bending item 23
It is wholely set on one side towards first and bends the dustproof sheet 32 that item 23 extends, the one end of dustproof sheet 32 far from the second bending item 31
It is connected on the side of the first bending item 23.Dustproof sheet 32 can close the seam between the first bending item 23 and the second bending item 31
Gap improves the bending resistance of self-supporting fiber cable.
The first cushion chamber 4, the first single-core fiber 2 and the second single light are provided between fixing line 1 and the first single-core fiber 2
It is provided with the second cushion chamber 5 between fibre 3, the first cushion chamber 4 and the second cushion chamber 5 are provided in flexible protective casing 12, and the
Two cushion chambers 5 are greater than the cross section of the first cushion chamber 4 along the cross section of fixing line 1 radially.It is slow with second in first cushion chamber 4
It rushes filled with more filling harness 6 in chamber 5, filling harness 6 is made of plastics.
The working principle of self-supporting fiber cable are as follows: the locating core 11 in fixing line 1 is capable of fixing self-supporting fiber line
The posture of cable, improves its structural strength, and flexible protective casing 12 provides protection to locating core 11 and optical fiber cable core 21.Self-bearing type
After fiber optic cable bending, traction-resistant fibre set 22 can then share the pulling force on optical fiber cable core 21, improve its tensile capacity.First bending
Item 23 and the second bending item 31 can be in the internal stress after sharing optical fiber cable core 21 and bending, the first bending 23 end abutments second of item
The root for bending item 31, avoids self-supporting fiber cable from laterally bending, keeps self-supporting fiber cable more durable.First cushion chamber 4
It can make that there is uniform bending radian on self-supporting fiber cable bending part with the second cushion chamber 5, the first cushion chamber 4 and the
Filling harness 6 can reduce the section deformation quantity after the first cushion chamber 4 and the bending of the second cushion chamber 5 in two cushion chambers 5, to make it
Uniform internal stress spreads out, and keeps self-supporting fiber 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 self-supporting fiber cable, which is characterized in that fixing line (1), the first list including being successively axially fixed arrangement
Core fibre (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)；
Be fixedly connected on the side wall of first single-core fiber (2) bent towards second single-core fiber (3) it is first curved
Folding bar (23) is fixedly connected with the bent towards first single-core fiber (2) on the side wall of second single-core fiber (3)
Two bendings item (31), the end of first bending item (23) is protruded into the range of the second bending item (31) bending, and is supported
Connect the root inner wall of second bending item (31).
2. self-supporting fiber cable according to claim 1, which is characterized in that the traction-resistant fibre set (22) is anti-by more
Draw axial line equidistant circle distribution composition of the fiber harness along the optical fiber cable core (21).
3. self-supporting fiber cable according to claim 1, which is characterized in that first bending item (23) is along its axial direction
Cross section be ellipse, one end of long axis is fixedly connected in first single-core fiber (2).
4. self-supporting fiber cable according to claim 3, which is characterized in that second bending item (31) is described in
It is fixedly connected with dustproof sheet (32) in the one side of first bending item (23), the dustproof sheet (32) is far from the second bending item
(31) one end is connected to the side of first bending item (23).
5. self-supporting fiber cable according to claim 1, which is characterized in that the fixing line (1) and first list
Pass through the flexible guarantor between core fibre (2) and between first single-core fiber (2) and second single-core fiber (3)
The side of sheath (12) is fixedly connected.
6. self-supporting fiber cable according to claim 5, which is characterized in that the fixing line (1) and first list
It is provided between core fibre (2) the first cushion chamber (4), between first single-core fiber (2) and second single-core fiber (3)
It is provided with the second cushion chamber (5), the axial cross section of first cushion chamber (4) and second cushion chamber (5) is circle, institute
State the cross section that the second cushion chamber (5) is greater than first cushion chamber (4) along the cross section of the fixing line (1) radially.
7. self-supporting fiber cable according to claim 6, which is characterized in that in first cushion chamber (4) with it is described
More filling harness (6) are filled in second cushion chamber (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820614115.3U CN208255491U (en) | 2018-04-26 | 2018-04-26 | A kind of self-supporting fiber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820614115.3U CN208255491U (en) | 2018-04-26 | 2018-04-26 | A kind of self-supporting fiber cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208255491U true CN208255491U (en) | 2018-12-18 |
Family
ID=64637168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820614115.3U Expired - Fee Related CN208255491U (en) | 2018-04-26 | 2018-04-26 | A kind of self-supporting fiber cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208255491U (en) |
Cited By (1)
| 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 optical fiber cable and its processing technology |
-
2018
- 2018-04-26 CN CN201820614115.3U patent/CN208255491U/en not_active Expired - Fee Related
Cited By (1)
| 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 optical fiber cable and its processing technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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 |