CN207232432U - The heat-shrink tube to continue suitable for multi-core optical fiber - Google Patents
The heat-shrink tube to continue suitable for multi-core optical fiber Download PDFInfo
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- CN207232432U CN207232432U CN201721311354.3U CN201721311354U CN207232432U CN 207232432 U CN207232432 U CN 207232432U CN 201721311354 U CN201721311354 U CN 201721311354U CN 207232432 U CN207232432 U CN 207232432U
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- heat
- reinforcer
- tempreature bulb
- optical fiber
- groove
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Abstract
The utility model discloses the heat-shrink tube to continue suitable for multi-core optical fiber, including heat-shrinkable tube, tempreature bulb, first reinforcer, second reinforcer, tempreature bulb number of bits at least two, tempreature bulb is arranged on inside heat-shrinkable tube, it is symmetrical along heat-shrinkable tube central axis between tempreature bulb, tempreature bulb sets fluted close to the side of heat-shrinkable tube, first reinforcer is provided with the water chestnut with matching grooves, first reinforcer is placed in groove by water chestnut to be connected with tempreature bulb, groove is provided with the second groove along tempreature bulb side substantially symmetrical about its central axis, second reinforcer is arranged between heat-shrinkable tube and tempreature bulb by the second groove.Improve the speed of fibre junction；It turn avoid that construction personnel is lazy to be linked into multifiber in one tempreature bulb at the same time at the same time, cause the phenomenon for occurring residual bubble in the mutual twisting of optical fiber and heat-shrink tube, influence the transmission of optical fiber, the maintenance work for being unfavorable for the later stage is carried out；Facilitate disk fine, reduce the occupancy of plate rail.
Description
Technical field
It the utility model is related to optical fiber heat-shrink tube, and in particular to the heat-shrink tube to continue suitable for multi-core optical fiber.
Background technology
Optical fiber heat-shrink tube refers to single-core fiber pyrocondensation protection sleeve pipe, and single-core fiber pyrocondensation protection sleeve pipe is mainly used for single light
The naked fibre part that fibre continues, inner tube are tempreature bulb, and centre lining reinforcer, outer tube is transparent heat-shrinkable tube.Reinforcer is generally
Stainless steel is held in both hands, quartz is held in both hands or ceramics are held in both hands.Optical fiber is the important component for forming optical communication system, it provides optical signal transmission
Passage.Optical fiber is usually made of fibre core, covering and coat.Fibre core and covering are all high-purity silicon dioxides, due to doping
The ratio of agent doping is different, makes the refractive index of fibre core than the high refractive index of covering, and loss ratio covering is low, therefore light energy master
To be transmitted in fibre core, covering provides reflecting surface and optically isolated for the transmission of light, and plays certain mechanical protection.
The tempreature bulb through optical fiber heat-shrink tube by optical fiber is needed when using optical fiber heat-shrink tube, then by fiber alignment
Position wrapped with optical fiber heat-shrink tube, when heated, optical fiber heat-shrink tube tempreature bulb fusing, tightly wrap the light after welding
Fine connector, has the function that filling and sealing；Reinforcer is played a supporting role to be acted on stretching-resisting bending-resisting；Heat-shrink tube heat shrinkable,
Fibre-optical splice, tempreature bulb and reinforcer are tightly wrapped up, form an entirety, increases the mechanical strength of fibre-optical splice part, together
When prevent moisture from invading, so as to maintain the steady in a long-term of fiber transmission performance.
In the prior art, there are in the engineering of fibre junction, there is construction personnel often in order to the saving fibre junction time will
Multifiber is attached by an optical fiber heat-shrink tube, and number of fibers is excessive to be placed in same optical fiber heat-shrink tube and can lead
Occur twisting, the heat-shrink tube interior phenomenon for occurring remaining bubble during pyrogenicity contracting protection between optical fiber, and be unfavorable for the maintenance in later stage；At the same time
Optical fiber heat-shrink tube only protects single-core fiber, is unfavorable for disk fibre, accounts for the problem of plate rail is more.
Utility model content
The utility model is solved in the engineering existing in the prior art there are fibre junction, have construction personnel often in order to
Saving the fibre junction time is attached multifiber by an optical fiber heat-shrink tube, number of fibers it is excessive be placed on it is same
Occur twisting when can cause the pyrocondensation to protect in a optical fiber heat-shrink tube between optical fiber, the phenomenon of residual bubble occur in heat-shrink tube, and not
Beneficial to the maintenance in later stage；Optical fiber heat-shrink tube only protects single-core fiber at the same time, is unfavorable for disk fibre, accounts for the problem of plate rail is more, there is provided is suitable
Multifiber, can be connected in same thermal contraction by the heat-shrink tube to continue for multi-core optical fiber at the same time when it is applied, but light
It is fine with being to separate between pipeline, avoid between optical fiber and the phenomenon of twisting occur, while optical fiber is individually wrapped up using tempreature bulb, is kept away
Exempt from the phenomenon for occurring the optical fiber transmission of residual aeration in heat-shrink tube, and later maintenance is unfolded easy to related personnel；Disk is fine at the same time
More convenient, it is few to account for plate rail, can be in the same more optical fiber of pallet disk.
The utility model is achieved through the following technical solutions：
The heat-shrink tube to continue suitable for multi-core optical fiber, including heat-shrinkable tube, tempreature bulb, the first reinforcer, the second reinforcer,
The tempreature bulb number of bits at least two, tempreature bulb is arranged on inside heat-shrinkable tube, along heat-shrinkable tube central shaft between tempreature bulb
Line is symmetrical, and tempreature bulb is fluted close to the setting of the side of heat-shrinkable tube, and the first reinforcer is provided with the water chestnut with matching grooves, the
One reinforcer is placed in groove by water chestnut to be connected with tempreature bulb, and groove is provided with along tempreature bulb side substantially symmetrical about its central axis
Two grooves, second reinforcer are arranged between heat-shrinkable tube and tempreature bulb by the second groove.Tempreature bulb is uniformly distributed
In heat-shrinkable tube, the first reinforcer is arranged on the axis of heat-shrinkable tube, and the first reinforcer is provided with corresponding with tempreature bulb
Water chestnut, water chestnut and the matching grooves on tempreature bulb, the groove of each tempreature bulb are correspondingly arranged on the second groove, and the second groove is set
There is matched second reinforcer, corresponding second reinforcer of each tempreature bulb water chestnut corresponding with the first reinforcer ensures that heat is received
Cause jointed fiber uniform force when the draw is by Thermal protection fiber junctions, avoid optical fiber from causing because of discontinuity curved existing
As influencing the communication performance of optical fiber.Multiple tempreature bulbs are set in heat-shrinkable tube can continue multifiber at the same time, improve light
The speed that fibre continues；It turn avoid that construction personnel is lazy to be linked into multifiber in one tempreature bulb at the same time at the same time, cause light
There is the phenomenon of residual bubble in fine twisting between each other and heat-shrink tube, influence the transmission of optical fiber, be unfavorable for the maintenance workers in later stage
Work is carried out；Facilitate disk fine, reduce the occupancy of plate rail.
Further, the heat-shrink tube to continue suitable for multi-core optical fiber, first reinforcer and the second reinforcer are stainless
One kind of steel, quartz or ceramics, the first reinforcer and the second reinforcer are made of identical material.First reinforcer is using stainless
One kind of steel, quartz or ceramics is in order to which heat-shrinkable tube ensures heated when fibre-optical splice not because the reason for expanding with heat and contract with cold
And there is curved phenomenon.First reinforcer and the second reinforcer be made of same material be in order to ensure heat-shrinkable tube by
When hot, fibre-optical splice both sides stressing conditions are consistent, avoid fibre-optical splice from bending.
Further, the heat-shrink tube to continue suitable for multi-core optical fiber, the groove are square, arc-shaped or oval.It is recessed
Groove may be configured as variously-shaped, can select different groove according to fibre-optical splice itself use environment, coordinate the first reinforcer keep away
Exempt from fibre-optical splice and curved phenomenon occur.
Further, the heat-shrink tube to continue suitable for multi-core optical fiber, second groove are identical with groove shapes.Second is recessed
It is to realize symmetrically that groove is identical with the shape of groove, preferably ensures that fibre-optical splice is in straightened condition, ensures fibre-optical splice
Transmission performance.
The utility model has the following advantages and advantages compared with the prior art：
1st, the utility model is suitable for the heat-shrink tube that continues of multi-core optical fiber, sets multiple tempreature bulbs can be with heat-shrinkable tube
Continue multifiber at the same time, improves the speed of fibre junction；At the same time turn avoid construction personnel it is lazy by multifiber at the same time
It is linked into a tempreature bulb, causes the phenomenon for occurring residual bubble in the mutual twisting of optical fiber and heat-shrink tube, influence optical fiber
Transmission, be unfavorable for the later stage maintenance work carry out；Facilitate disk fine, reduce the occupancy of plate rail.
2nd, the utility model is suitable for the heat-shrink tube that multi-core optical fiber continues, and the first reinforcer uses stainless steel, quartz or pottery
One kind of porcelain is in order to which heat-shrinkable tube ensures that fibre-optical splice is not bent because of the reason for expanding with heat and contract with cold heated when
Phenomenon.It is the optical fiber in order to ensure heat-shrinkable tube when heated that first reinforcer and the second reinforcer are made of same material
Connector both sides stressing conditions are consistent, avoid fibre-optical splice from bending.
3rd, the utility model is suitable for the heat-shrink tube that continues of multi-core optical fiber, the second groove with the shape of groove it is identical be in order to
Realize symmetrically, preferably ensure that fibre-optical splice is in straightened condition, ensure the transmission performance of fibre-optical splice.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structure diagram.
Mark and corresponding parts title in attached drawing：
1- heat-shrinkable tubes, 2- tempreature bulbs, the first reinforcers of 3-, the second reinforcers of 4-, 5- grooves, 6- water chestnuts, 7- second are recessed
Groove.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1, the heat-shrink tube to continue suitable for multi-core optical fiber, including heat-shrinkable tube 1, tempreature bulb 2, the first reinforcer
3rd, the second reinforcer 4,2 number of bits at least two of tempreature bulb, tempreature bulb 2 are arranged on inside heat-shrinkable tube 1, tempreature bulb 2 it
Between it is symmetrical along 1 central axis of heat-shrinkable tube, tempreature bulb 2 close to heat-shrinkable tube 1 side set fluted 5, the groove 5 for side
Shape, arc-shaped or oval, the first reinforcer 3 is provided with water chestnut 6 matched with groove 5, and the first reinforcer 3 is put by water chestnut 6
To put and be connected with tempreature bulb 2 in the groove 5, groove 5 is provided with the second groove 7 along the side substantially symmetrical about its central axis of tempreature bulb 2, and described the
Two grooves 7 are identical with 5 shape of groove, second reinforcer 4 by the second groove 7 be arranged on heat-shrinkable tube 1 and tempreature bulb 2 it
Between, 3 and second reinforcer 4 of the first reinforcer is one kind of stainless steel, quartz or ceramics, and the first reinforcer 3 and second adds
Strong part 4 is made of identical material.This 1 length of heat-shrinkable tube is 4.5cm, a diameter of 10mm；The quantity of tempreature bulb 2 is 3, heat
The length of fusion tube 2 is 4.4cm, a diameter of 2mm, and 5 and second groove 7 of groove of the setting of tempreature bulb 2 is square, groove 5 and the
The depth of two grooves 7 is 0.5mm, length 4.2cm, width 0.5mm；First reinforcer, 3 material uses stainless steel, is column
Body, water chestnut 6 are arranged to cuboid；Second reinforcer, 4 material uses stainless steel, is cuboid.Three tempreature bulbs 2 are arranged on heat
The inside of collapsible tube 1, is arranged on the axis of heat-shrinkable tube 1 by the first reinforcer 3, and the groove 5 of tempreature bulb 2 corresponds to first and adds
The water chestnut of strong part 3 so that tempreature bulb 2 is centrosymmetric by the axis of heat-shrinkable tube 1, in the second groove 7 and the heat of tempreature bulb 2
Second reinforcer 4 is set between collapsible tube 1.Three tempreature bulbs 5 are fixed in heat-shrinkable tube 1 in this way, can be at the same time
Three optical fiber cloth are placed in a heat-shrinkable tube 1 by realization, when this mode compares three more single tempreature bulbs 2, are reduced
The occupancy of locus, while avoid construction personnel and multifiber is continued by a tempreature bulb 2, avoid optical fiber twisting
Situation occur, ensure that the transmission performance of optical fiber, it is only necessary to a heat-shrinkable tube 1 is heated, reduces fibre junction
Flow, improve the efficiency of fibre junction；At the same time by way of laying multiple tempreature bulbs 2 in a heat-shrinkable tube 1, it is easy to
Optical fiber realizes disk fibre, reduces the use of plate rail, has saved cost.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (4)
1. the heat-shrink tube to continue suitable for multi-core optical fiber, it is characterised in that add including heat-shrinkable tube (1), tempreature bulb (2), first
Strong part (3), the second reinforcer (4), tempreature bulb (2) number of bits at least two, tempreature bulb (2) is arranged on heat-shrinkable tube (1)
Inside, symmetrical along heat-shrinkable tube (1) central axis between tempreature bulb (2), tempreature bulb (2) is set close to the side of heat-shrinkable tube (1)
Groove (5) is equipped with, the first reinforcer (3) is provided with passes through water chestnut with groove (5) matched water chestnut (6), the first reinforcer (3)
(6) it is placed in groove (5) and is connected with tempreature bulb (2), groove (5) is provided with the along tempreature bulb (2) side substantially symmetrical about its central axis
Two grooves (7), second reinforcer (4) are arranged between heat-shrinkable tube (1) and tempreature bulb (2) by the second groove (7).
2. the heat-shrink tube according to claim 1 to continue suitable for multi-core optical fiber, it is characterised in that first reinforcer
(3) and the second reinforcer (4) is one kind of stainless steel, quartz or ceramics, and the first reinforcer (3) and the second reinforcer (4) use
Identical material is made.
3. the heat-shrink tube according to claim 1 to continue suitable for multi-core optical fiber, it is characterised in that the groove (5) is
It is square, arc-shaped or oval.
4. the heat-shrink tube according to claim 1 to continue suitable for multi-core optical fiber, it is characterised in that second groove
(7) it is identical with groove (5) shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721311354.3U CN207232432U (en) | 2017-10-11 | 2017-10-11 | The heat-shrink tube to continue suitable for multi-core optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721311354.3U CN207232432U (en) | 2017-10-11 | 2017-10-11 | The heat-shrink tube to continue suitable for multi-core optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207232432U true CN207232432U (en) | 2018-04-13 |
Family
ID=61851453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721311354.3U Active CN207232432U (en) | 2017-10-11 | 2017-10-11 | The heat-shrink tube to continue suitable for multi-core optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207232432U (en) |
-
2017
- 2017-10-11 CN CN201721311354.3U patent/CN207232432U/en active Active
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