CN109856743A - Fiber cable branch device - Google Patents
Fiber cable branch device Download PDFInfo
- Publication number
- CN109856743A CN109856743A CN201910164300.6A CN201910164300A CN109856743A CN 109856743 A CN109856743 A CN 109856743A CN 201910164300 A CN201910164300 A CN 201910164300A CN 109856743 A CN109856743 A CN 109856743A
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- China
- Prior art keywords
- cable
- section
- pressure ring
- branch device
- fiber
- 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.)
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Links
- 239000000835 fiber Substances 0.000 title claims abstract description 46
- 230000003287 optical effect Effects 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 239000013307 optical fiber Substances 0.000 claims abstract description 19
- 238000005253 cladding Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention belongs to optical cable technology fields, more particularly to a kind of fiber cable branch device, the fiber cable branch device includes splitter main body, splitter pressure ring and branched pipe, splitter main body structure annular in shape, and including the sequentially connected main structure portion in direction from back to front and pressure ring interconnecting piece, main structure portion and the socket of unstripped cable section cooperate, splitter pressure ring is socketed branch cable section, splitter pressure ring includes that the restrictive coating for optical cable to turn up is crimped to pressure ring interconnecting piece and is socketed the sheath pressure ring section of cable core boundling section, branched pipe is at least provided with two, each branched pipe stores an optical fiber respectively, one pipe end of each branched pipe is placed in cable core socket section, and other end pipe end protrudes into external bellows.Combined using the sealing of outer jacket and main structure portion be sealed waterproof on the basis of, it increases sheath pressure ring section, pressure ring interconnecting piece and restrictive coating and is sealed waterproof, to increase the waterproof performance of fiber cable branch device, fiber cable branch device is enabled to be applicable in wet environment.
Description
Technical field
The invention belongs to fiber cable branch technical field more particularly to a kind of fiber cable branch devices.
Background technique
Current fiber cable branch device waterproof performance is poor, in wet environment, such as moist underground, aviation base station and
Near sea level etc., it is not able to satisfy requirement.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of fiber cable branch device is provided, is existed anti-
Aqueous energy is poor, it is difficult to the problem of adapting to wet environment.
The present invention is implemented as follows:
A kind of fiber cable branch device is provided, branched cable is used for, wherein the optical cable includes at least being made of two optical fibers
Cable core, be coated on the cable core and restrictive coating with flexibility and the cladding restrictive coating and there is soft outer shield
Layer, the optical cable successively has unstripped cable section, just removing cable section and branch cable section along direction from back to front from back to front, described
Optical cable is in the unstripped outer jacket of the unstripped cable section, the restrictive coating, and the optical cable is in the just removing cable section removing
The outer jacket and the unstripped restrictive coating and the restrictive coating turns up, the optical cable is described outer in branch cable section removing
The branch cable section of sheath, the restrictive coating, the fiber cable branch device include:
Splitter main body, structure annular in shape, and including the sequentially connected main structure portion in direction from back to front and pressure ring
Interconnecting piece, the main structure portion and the unstripped cable section socket cooperate；
Splitter pressure ring, is socketed the branch cable section, and the splitter pressure ring includes the shield for the optical cable to turn up
Jacket layer is crimped to the pressure ring interconnecting piece and is socketed the sheath pressure ring section of the cable core boundling section；
Branched pipe, at least provided with two, each branched pipe stores the optical fiber respectively, each branched pipe
One pipe end is placed in the cable core socket section, and other end pipe end protrudes into external bellows.
Optionally, the sheath pressure ring section at least open up one from front to back direction extend and penetrate through the perforation of setting, institute
It states pressure ring interconnecting piece and at least opens up a screw hole in its front side, the position distribution of each screw hole is corresponding with a perforation to be set
It sets；
The fiber cable branch device further includes at least one screw, each screw respectively from front to back pass through one described in wear
Hole is screwed to a screw hole, and the sheath pressure ring section is crimped to the pressure ring interconnecting piece.
Optionally, there are four the perforation, the screw hole and the screw are all provided with.
Optionally, the splitter pressure ring further include extend rearwardly to form and be socketed from the sheath pressure ring section outer it is described
The pressure ring of pressure ring interconnecting piece is socketed section.
Optionally, the splitter pressure ring further includes the sequentially connected cable core boundling section in direction and cable core set from back to front
Section is connect, the cable core boundling section is greater than the cable core collection for limiting the cable core dispersion, the inner ring diameter of the cable core socket section
The inner ring diameter of beam section；
The fiber cable branch device further includes branch trunnion ring, and the branch trunnion ring is socketed each optical fiber, and is located at and is inserted in institute
State cable core socket section.
Optionally, the fiber cable branch device further includes heat-shrink tube, and the heat-shrink tube is socketed each optical fiber after pyrocondensation
From being leant out from cable core socket section.
Optionally, the external loop diameter of the cable core boundling section is less than the external loop diameter of cable core socket section, the shrinkable sleeve
It is connected to the cable core boundling section.
Optionally, the fiber cable branch device further includes structure annular in shape and the waterproof connector for being socketed the optical cable, described anti-
The outer ring surface of the inner ring surface of water swivel and the outer jacket palette, the waterproof connector is set to and the main structure portion
Inner ring surface is sealingly engaged.
Optionally, anchor ring is equipped with waterproof internal screw thread in the inner in the main structure portion, and the waterproof connector is in its outer ring surface
Equipped with the waterproof external screw thread being threadedly coupled with the waterproof internal screw thread.
Optionally, the splitter main body further includes the lantern ring for being connected to the main structure portion and the pressure ring interconnecting piece
Interconnecting piece, the lantern ring interconnecting piece are equipped with the connection structure that can be connect with external bellows in its outer ring surface.
Based on structure of the invention, since sheath pressure ring section and pressure ring interconnecting piece crimp restrictive coating jointly, in this way, utilizing
The sealing of outer jacket and main structure portion is combined be sealed waterproof on the basis of, increase sheath pressure ring section, pressure ring interconnecting piece and
Restrictive coating is sealed waterproof, to increase the waterproof performance of fiber cable branch device, fiber cable branch device is enabled to be applicable in humidity
Environment.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the partial structure diagram of fiber cable branch device provided in an embodiment of the present invention；
Fig. 2 is another viewing angle constructions schematic diagram of Fig. 1, wherein optical cable has been assembled to splitter main body；
Fig. 3 is the overall structure also schematic diagram of fiber cable branch device provided in an embodiment of the present invention.
Drawing reference numeral explanation:
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
The embodiment of the present invention provides a kind of fiber cable branch device, is used for branched cable, wherein see Fig. 2 and Fig. 3, optical cable
800 cross sectional shape is generally circular in shape, and optical cable 800 includes the cable core being at least made of two optical fibers 810, is coated on cable core simultaneously
Restrictive coating and cladding restrictive coating with flexibility simultaneously have soft outer jacket, and optical cable 800 is from back to front along from back to front
Direction successively has a unstripped cable section, just removing cable section and branch cable section, optical cable 800 in the unstripped outer jacket of unstripped cable section,
Restrictive coating, the unstripped restrictive coating and restrictive coating turns up in just removing cable section removing outer jacket of optical cable 800, optical cable 800 is in branch
Cable section removes the branch cable section of outer jacket, restrictive coating.
It please refers to Fig.1 to Fig.3, which includes splitter main body 100, splitter pressure ring 200 and branched pipe
300。
The structure annular in shape of splitter main body 100, and including the sequentially connected main structure portion 110 in direction from back to front and
Pressure ring interconnecting piece 120, main structure portion 110 and the socket of unstripped cable section cooperate；Splitter main body 100 is mainly by stainless steel material
It is made, there is preferable structural strength, deformation occurs when being collided to avoid fiber cable branch device by foreign object.
Splitter pressure ring 200 further includes that the restrictive coating for optical cable 800 to turn up is crimped to pressure ring interconnecting piece 120 and is socketed
The sheath pressure ring section 210 of cable core boundling section 230.
Branched pipe 300 is at least provided with two, and each branched pipe 300 stores an optical fiber 810 respectively, each branched pipe 300
One pipe end is placed in cable core socket section 240, and other end pipe end protrudes into external bellows 900；The interior caliber of branched pipe 300
It is adapted with the outer diameter of optical fiber 810, after avoiding 800 branch of optical cable, volume is excessive.
Based on structure of the invention, since sheath pressure ring section 210 and pressure ring interconnecting piece 120 crimp restrictive coating jointly, in this way,
Combined using the sealing of outer jacket and main structure portion 110 be sealed waterproof on the basis of, increase sheath pressure ring section 210,
Pressure ring interconnecting piece 120 and restrictive coating are sealed waterproof, so that the waterproof performance of fiber cable branch device is increased, so that fiber cable branch
Device can be applicable in wet environment.
It should be noted that in order to be adapted to structure design of the invention, i.e., so that optical cable 800 is had first removing cable section is
The fiber cable branch device will utilized also restrictive coating to be needed to turn up.
Please refer to Fig. 1 and Fig. 2, sheath pressure ring section 210 at least open up one from front to back direction extend and penetrate through setting
Perforation 2101, pressure ring interconnecting piece 120 at least open up a screw hole, the position distribution of each screw hole and 2101 pairs of a perforation in its front side
It should be arranged；Fiber cable branch device further includes at least one screw 400, and each screw 400 passes through a perforation 2101 from front to back respectively
It is screwed to a screw hole, sheath pressure ring section 210 is crimped to pressure ring interconnecting piece 120.
It is designed based on this structure, is conducive to the connection cooperation for simplifying splitter main body 100 with 200 sets of splitter pressure ring, mentions
High assembly efficiency.
Specifically, it there are four perforation 2101, screw hole and screw 400 are all provided with, and is equally spaced in the circumferential.
Fig. 1 and Fig. 2 are please referred to, splitter pressure ring 200 further includes extending rearwardly to form and covering from 210 outer of sheath pressure ring section
Connect the pressure ring socket section 220 of pressure ring interconnecting piece 120.In this way, being socketed the socket of section 220 and pressure ring interconnecting piece 120 by pressure ring, have
Conducive to the contraposition for improving sheath pressure ring section 210 and pressure ring interconnecting piece 120, avoid sheath pressure ring section 210 and pressure ring interconnecting piece 120 it
Between there is lateral deviation.
Please refer to Fig. 1 and Fig. 2, splitter pressure ring 200 further includes the sequentially connected cable core boundling section 230 in direction from back to front
And cable core is socketed section 240, cable core boundling section 230 is greater than cable core for limiting cable core dispersion, the inner ring diameter that cable core is socketed section 240
The inner ring diameter of boundling section 230；Fiber cable branch device further includes branch trunnion ring 500, and branch trunnion ring 500 is socketed each optical fiber, and is located at set
Enter cable core socket section 240.
In the specific use process, branch trunnion ring 500 first can be socketed each optical fiber 810, then by 500 sets of branch trunnion ring
Enter cable core socket section 240, in this way, being conducive to improve assembly efficiency, avoids occurring as soon as after each 810 branch of optical fiber at random.
Referring to Fig. 3, fiber cable branch device further includes heat-shrink tube 600, heat-shrink tube 600 is socketed each optical fiber 810 after pyrocondensation
From being leant out from cable core socket section 240.Optical fiber 810 is easy to happen excessive bending in cable core socket section 240, and leads to optical fiber
810 damage is designed based on this structure, due to the guidance of heat-shrink tube 600, can be conducive to avoid optical fiber 810 in cable core set
It connects section 240 and is easy to happen excessive bending.
Specifically, heat-shrink tube 600 is the heat-shrink tube 600 made of EVA material.
Further, the external loop diameter of cable core boundling section 230 is less than the external loop diameter of cable core socket section 240, and heat-shrink tube 600 is socketed
To cable core boundling section 230.In this way, 600 sets of heat-shrink tube are connected to cable core boundling section 230, energy due to the shrinkage character of heat-shrink tube 600
Heat-shrink tube 600 is enough prevented to be detached from from cable core socket section 240.
Referring to Fig. 3, fiber cable branch device further includes structure annular in shape and the waterproof connector 700 for being socketed optical cable 800, waterproof is connect
First 700 inner ring surface and outer jacket palette, the outer ring surface of waterproof connector 700 are set to the inner ring surface with main structure portion 110
It is sealingly engaged.By waterproof connector 700, be conducive to the waterproof performance for further increasing fiber cable branch device.
Specifically, anchor ring is equipped with waterproof internal screw thread in the inner in main structure portion 110, and waterproof connector 700 is set in its outer ring surface
There is the waterproof external screw thread being threadedly coupled with waterproof internal screw thread.It is connected using helicitic texture, is conducive to improve waterproof connector 700 and master
The joint efficiency of body structural portion 110.
It please refers to Fig.1 to Fig.3, splitter main body 100 further includes being connected to main structure portion 110 and pressure ring interconnecting piece 120
Lantern ring interconnecting piece 130, lantern ring interconnecting piece 130 is equipped with the connection knot that can be connect with external bellows 900 in its outer ring surface
Structure 1301.Usually the optical cable 800 after branch is guided in bellows 900 after 800 branch of optical cable in actual use process, then
Target device is led to by bellows 900.And it is based on this structure setting, convenient for the connection of fiber cable branch device and bellows 900.
Specifically, connection structure 1301 is external thread structure.In this way, being conducive to improve joint efficiency.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of fiber cable branch device is used for branched cable, wherein the optical cable includes the cable being at least made of two optical fibers
Core is coated on the cable core and restrictive coating with flexibility and the cladding restrictive coating and has soft outer jacket, institute
Stating optical cable successively has unstripped cable section, just removing cable section and branch cable section, the optical cable along direction from back to front from back to front
In the unstripped outer jacket of the unstripped cable section, the restrictive coating, the optical cable is described in the just removing cable section removing
Outer jacket and the unstripped restrictive coating and the restrictive coating turns up, the optical cable removes the outer shield in the branch cable section
The branch cable section of layer, the restrictive coating, which is characterized in that the fiber cable branch device includes:
Splitter main body, structure annular in shape, and connected including the sequentially connected main structure portion in direction from back to front and pressure ring
Portion, the main structure portion and the unstripped cable section socket cooperate；
Splitter pressure ring, is socketed the branch cable section, and the splitter pressure ring includes the restrictive coating for the optical cable to turn up
It is crimped to the pressure ring interconnecting piece and is socketed the sheath pressure ring section of the cable core boundling section；
Branched pipe, at least provided with two, each branched pipe stores the optical fiber, a pipe of each branched pipe respectively
End is placed in the cable core socket section, and other end pipe end protrudes into external bellows.
2. fiber cable branch device as described in claim 1, which is characterized in that the sheath pressure ring section at least opens up one from going to
Rear direction extends and penetrates through the perforation of setting, and the pressure ring interconnecting piece at least opens up a screw hole, each screw hole in its front side
Position distribution with one it is described perforation be correspondingly arranged；
The fiber cable branch device further includes at least one screw, and each screw passes through a perforation spiral shell from front to back respectively
It is connected to a screw hole, the sheath pressure ring section is crimped to the pressure ring interconnecting piece.
3. fiber cable branch device as claimed in claim 2, which is characterized in that the perforation, the screw hole and the screw are all provided with
There are four.
4. fiber cable branch device as described in claim 1, which is characterized in that the splitter pressure ring further includes from the sheath pressure
Ring segment outer extends rearwardly to form and is socketed the pressure ring socket section of the pressure ring interconnecting piece.
5. fiber cable branch device as described in claim 1, which is characterized in that the splitter pressure ring further includes direction from back to front
Sequentially connected cable core boundling section and cable core are socketed section, and the cable core boundling section is for limiting the cable core dispersion, the cable
The inner ring diameter that core retainer plate connects section is greater than the inner ring diameter of the cable core boundling section；
The fiber cable branch device further includes branch trunnion ring, and the branch trunnion ring is socketed each optical fiber, and is located at and is inserted in the cable
Core retainer plate connects section.
6. fiber cable branch device as claimed in claim 5, which is characterized in that the fiber cable branch device further includes heat-shrink tube, described
Heat-shrink tube be socketed after pyrocondensation each optical fiber from the cable core socket section lean out from.
7. fiber cable branch device as claimed in claim 6, which is characterized in that the external loop diameter of the cable core boundling section is less than the cable
Core retainer plate connects the external loop diameter of section, and the shrinkable sleeve is connected to the cable core boundling section.
8. the fiber cable branch device as described in any one of claims 1 to 7, which is characterized in that the fiber cable branch device further includes
Structure annular in shape and the waterproof connector for being socketed the optical cable, the inner ring surface of the waterproof connector and the outer jacket palette,
The outer ring surface of the waterproof connector is set to be sealingly engaged with the inner ring surface in the main structure portion.
9. fiber cable branch device as claimed in claim 8, which is characterized in that anchor ring is equipped with waterproof in the inner in the main structure portion
Internal screw thread, the waterproof connector are equipped with the waterproof external screw thread being threadedly coupled with the waterproof internal screw thread in its outer ring surface.
10. the fiber cable branch device as described in any one of claims 1 to 7, which is characterized in that the splitter main body further includes
It is connected to the lantern ring interconnecting piece in the main structure portion and the pressure ring interconnecting piece, the lantern ring interconnecting piece is equipped in its outer ring surface
The connection structure that can be connect with external bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910164300.6A CN109856743B (en) | 2019-03-05 | 2019-03-05 | Optical cable branching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910164300.6A CN109856743B (en) | 2019-03-05 | 2019-03-05 | Optical cable branching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109856743A true CN109856743A (en) | 2019-06-07 |
| CN109856743B CN109856743B (en) | 2024-02-09 |
Family
ID=66899925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910164300.6A Active CN109856743B (en) | 2019-03-05 | 2019-03-05 | Optical cable branching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109856743B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703115A (en) * | 2021-11-01 | 2021-11-26 | 华海通信技术有限公司 | Connecting branch for submarine optical cable branch device |
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| 闫旭光;施李萍;姜泽兴;: "双芯预制成端蝶形引入光缆组件浅析", 现代传输, no. 05 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703115A (en) * | 2021-11-01 | 2021-11-26 | 华海通信技术有限公司 | Connecting branch for submarine optical cable branch device |
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| CN109856743B (en) | 2024-02-09 |
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