CN205374817U - Pigtail assembly easy to assemble - Google Patents
Pigtail assembly easy to assemble Download PDFInfo
- Publication number
- CN205374817U CN205374817U CN201620040701.2U CN201620040701U CN205374817U CN 205374817 U CN205374817 U CN 205374817U CN 201620040701 U CN201620040701 U CN 201620040701U CN 205374817 U CN205374817 U CN 205374817U
- Authority
- CN
- China
- Prior art keywords
- hole
- caudal peduncle
- pigtail assembly
- optical fiber
- metal caudal
- 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
Links
- 239000013307 optical fiber Substances 0.000 claims abstract description 57
- 239000000919 ceramic Substances 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 31
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 40
- 230000037431 insertion Effects 0.000 claims description 40
- 239000000428 dust Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000002372 labelling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model discloses a pigtail assembly easy to assemble. The utility model discloses a pigtail assembly easy to assemble, including connector and fiber connector, fiber connector includes that ferrule assembly and cover locate the tail optical fiber protective sheath in ferrule assembly's the outside, and ferrule assembly includes ceramic lock pin and metal caudal peduncle, coaxial first through -hole, second through -hole and the third through -hole that sets gradually mutual intercommunication of metal caudal peduncle, and the outside that metal caudal peduncle's the outside corresponds first through -hole is equipped with the annular bulge of stepped ramp type, the sunken conical groove that forms of through -hole department of the one end of pottery lock pin, conical groove's one end is inserted first through -hole and is pasted the tight fit with first through -hole, and the terminal surface of the other end of ceramic lock pin is 5~6 sphere. The utility model discloses a pigtail assembly simple to operate has avoided the lock pin terminal surface and the fibers damage that arouse effectively in assembling process, improved the long -term reliability of fiber connector interconnection.
Description
Technical field
This utility model belongs to technical field of optical fiber communication, is specifically related to a kind of convenient pigtail assembly installed.
Background technology
The joints of optical fibre are that the two of optical fiber end faces are critically docked, and make the light energy that launching fiber exports be coupled to greatest extent in reception optical fiber.Lock pin is the core component of this joints of optical fibre, and the adapter made by lock pin is fiber active linker detachable, classification, is available for debugging and the maintenance of light way system.But traditional joints of optical fibre are when mounted, installation process is inconvenient, there is insertion core end face and the hidden danger of optical fiber damage, affects the reliability of the optical fiber interconnection of optical channel.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is in that to provide a kind of convenient pigtail assembly installed, easy for installation, efficiently avoid the insertion core end face caused in assembling process and optical fiber damage, improves the long-term reliability of joints of optical fibre interconnection.
For reaching this purpose, this utility model by the following technical solutions:
A kind of convenient pigtail assembly installed, including union joint and the joints of optical fibre, the tail optical fiber described union joint of traverse and the described joints of optical fibre are to realize described union joint and the connection of the described joints of optical fibre；The described joints of optical fibre include ferrule assembly and the tail optical fiber in the outside being sheathed on described ferrule assembly protection set, described ferrule assembly includes ceramic insertion core and metal caudal peduncle, described metal caudal peduncle is coaxially disposed with the first through hole being interconnected, second through hole and third through-hole, the diameter of described first through hole is more than the diameter of described second through hole, the diameter of described second through hole is more than the diameter of described third through-hole, the outside of corresponding described first through hole in the outside of described metal caudal peduncle is provided with the annular projection of stepped ramp type, described ceramic insertion core is coaxially arranged with the through hole of the fibre core traverse making optical fiber, the through hole concave shape coning groove of one end of described ceramic insertion core, one end of cone-shaped groove insert described first through hole and with described first through hole snug fit, the end face of the other end of described ceramic insertion core is the sphere of 5 °～6 °.
Wherein, the length of described ceramic insertion core is 3.5 ± 0.05mm, and internal diameter is 0.125 ± 0.001mm, and external diameter is 2.5 ± 0.0005mm, and concentricity is less than 1 μm.
Wherein, described pigtail assembly be respectively arranged at two ends with dust cap, described dust cap inserts union joint, and another described dust cap is sheathed on the one end being inserted with described ceramic insertion core on described metal caudal peduncle.
Wherein, the insertion loss of described pigtail assembly is not more than 0.3dB, and return loss is not less than 55dB.
Wherein, described metal caudal peduncle is the caudal peduncle of SUS304 material.
Wherein, described tail optical fiber protection set is rubber sleeve.
Wherein, connected by the baking of 353ND glue between described tail optical fiber and described metal caudal peduncle.
Wherein, the external diameter of described metal caudal peduncle is 5.8mm.
Compared with prior art, the beneficial effects of the utility model are: a kind of convenient pigtail assembly installed of the present utility model, including union joint and the joints of optical fibre, tail optical fiber traverse union joint and the joints of optical fibre are to realize the connection of union joint and the joints of optical fibre；The joints of optical fibre include ferrule assembly and the tail optical fiber in the outside being sheathed on ferrule assembly protection set; ferrule assembly includes ceramic insertion core and metal caudal peduncle; metal caudal peduncle is coaxially disposed with the first through hole, the second through hole and the third through-hole that are interconnected; the diameter of the first through hole is more than the diameter of the second through hole; the diameter of the second through hole is more than the diameter of third through-hole, and it is more accurate that three through holes position after making ceramic insertion core insertion metal caudal peduncle；The outside of corresponding first through hole in the outside of metal caudal peduncle is provided with the annular projection of stepped ramp type；The annular projection of stepped ramp type makes to couple welding ring gauge without increasing during installation, coupling welding is easier, easier for installation, improves efficiency, and the annular projection of stepped ramp type is more firm when making ceramic insertion core install, improve the long-term reliability of joints of optical fibre interconnection；Ceramic insertion core is coaxially arranged with the through hole of the fibre core traverse making optical fiber, the through hole concave shape coning groove of one end of ceramic insertion core, one end of cone-shaped groove insert the first through hole and with the first through hole snug fit, the end face of the other end of ceramic insertion core is the sphere of 5 °～6 °, spherical design can reach the design of external client coupled apparatus and match, and luminous power data are better；Tail optical fiber sequentially passes through union joint, tail optical fiber protection set, third through-hole, the second through hole, the first through hole entrance ceramic insertion core, efficiently avoid the insertion core end face caused in assembling process and optical fiber damage.
Accompanying drawing explanation
Fig. 1 is the structural representation of pigtail assembly of the present utility model；
Fig. 2 is the structural representation of the ceramic insertion core of pigtail assembly of the present utility model.
Accompanying drawing labelling is as follows:
1-tail optical fiber；2-tail optical fiber protection set；3-union joint；4-ceramic insertion core；5-metal caudal peduncle；6-the first through hole；7-the second through hole；8-third through-hole；9-dust cap.
Detailed description of the invention
Below in conjunction with Fig. 1, Fig. 2, and further illustrate the technical solution of the utility model by detailed description of the invention.
As it is shown in figure 1, a kind of convenient pigtail assembly installed, including union joint 3 and the joints of optical fibre, tail optical fiber 1 traverse union joint 3 and the joints of optical fibre are to realize the connection of union joint 3 and the joints of optical fibre；The joints of optical fibre include ferrule assembly and the tail optical fiber in the outside being sheathed on ferrule assembly protection set 2; ferrule assembly includes ceramic insertion core 4 and metal caudal peduncle 5; metal caudal peduncle 5 is coaxially disposed with the first through hole the 6, second through hole 7 and the third through-hole 8 being interconnected; the diameter of the first through hole 6 is more than the diameter of the second through hole 7; the diameter of the second through hole 7 is more than the diameter of third through-hole 8, and it is more accurate that three through holes position after making ceramic insertion core insertion metal caudal peduncle；The outside of corresponding first through hole 6 in the outside of metal caudal peduncle 5 is provided with the annular projection of stepped ramp type, the annular projection of stepped ramp type makes to couple welding ring gauge without increasing during installation, coupling welding is easier, improve efficiency, and the annular projection of stepped ramp type is more firm when making ceramic insertion core install, improve the long-term reliability of joints of optical fibre interconnection；As shown in Figure 2, ceramic insertion core 4 is coaxially arranged with the through hole of the fibre core traverse making optical fiber, the through hole concave shape coning groove of one end of ceramic insertion core 4, the first through hole 6 is inserted in one end of cone-shaped groove, the end face of the other end of ceramic insertion core 4 is the sphere of 5 °～6 °, spherical design can reach the design of external client coupled apparatus and match, and luminous power data are better；Tail optical fiber 1 sequentially passes through union joint 3, tail optical fiber protects set 2, third through-hole the 8, second through hole the 7, first through hole 6 to enter ceramic insertion core 4, efficiently avoid the insertion core end face caused in assembling process and optical fiber damage.
As preferred version of the present utility model, the length of ceramic insertion core 4 is 3.5 ± 0.05mm, and internal diameter is 0.125 ± 0.001mm, and external diameter is 2.5 ± 0.05mm, and concentricity is less than 1 μm.Preferably, pigtail assembly be respectively arranged at two ends with dust cap 9, a dust cap 9 inserts union joint 3, and another dust cap 9 is sheathed on the one end being inserted with ceramic insertion core 4 on metal caudal peduncle 5.Further, metal caudal peduncle 5 is the caudal peduncle of SUS304 material, and this material non-corrosive can work indeformable under hot and humid environment；The external diameter of metal caudal peduncle 5 is 5.8mm, and without increasing coupling welding ring gauge during installation, coupling welding is easier, improves efficiency, it addition, the radium-shine labelling of metal caudal peduncle 5 is got ready, it is simple to the determination of orientation angle during coupled apparatus during installation；Tail optical fiber protection set 2 is rubber sleeve；Further, connected by the baking of 353ND glue between tail optical fiber 1 and metal caudal peduncle 5.
Pigtail assembly of the present utility model, easy for installation, efficiently avoid the insertion core end face caused in assembling process and optical fiber damage, improve the long-term reliability of joints of optical fibre interconnection, the insertion loss of pigtail assembly is not more than 0.3dB, and return loss is not less than 55dB.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this specification content should not be construed as restriction of the present utility model.
Claims (8)
1. the convenient pigtail assembly installed, it is characterized in that, including union joint (3) and the joints of optical fibre, tail optical fiber (1) the described union joint of traverse (3) and the described joints of optical fibre are to realize the connection of described union joint (3) and the described joints of optical fibre；nullThe described joints of optical fibre include ferrule assembly and the tail optical fiber in the outside being sheathed on described ferrule assembly protection set (2)，Described ferrule assembly includes ceramic insertion core (4) and metal caudal peduncle (5)，Described metal caudal peduncle (5) is coaxially disposed with the first through hole (6) being interconnected、Second through hole (7) and third through-hole (8)，The diameter of described first through hole (6) is more than the diameter of described second through hole (7)，The diameter of described second through hole (7) is more than the diameter of described third through-hole (8)，The outside of corresponding described first through hole (6) in the outside of described metal caudal peduncle (5) is provided with the annular projection of stepped ramp type，Described ceramic insertion core (4) is coaxially arranged with the through hole of the fibre core traverse making optical fiber，The through hole concave shape coning groove of one end of described ceramic insertion core (4)，One end of cone-shaped groove insert described first through hole (6) and with described first through hole (6) snug fit，The end face of the other end of described ceramic insertion core (4) is the sphere of 5 °～6 °.
2. pigtail assembly according to claim 1, it is characterised in that the length of described ceramic insertion core (4) is 3.5 ± 0.05mm, internal diameter is 0.125 ± 0.001mm, and external diameter is 2.5 ± 0.0005mm, and concentricity is less than 1 μm.
3. pigtail assembly according to claim 1, it is characterized in that, described pigtail assembly be respectively arranged at two ends with dust cap (9), one described dust cap (9) inserts union joint (3), and another described dust cap (9) is sheathed on the one end being inserted with described ceramic insertion core (4) on described metal caudal peduncle (5).
4. pigtail assembly according to claim 1, it is characterised in that the insertion loss of described pigtail assembly is not more than 0.3dB, and return loss is not less than 55dB.
5. pigtail assembly according to claim 1, it is characterised in that the caudal peduncle that described metal caudal peduncle (5) is SUS304 material.
6. pigtail assembly according to claim 1, it is characterised in that described tail optical fiber protection set (2) is rubber sleeve.
7. pigtail assembly according to claim 1, it is characterised in that connected by the baking of 353ND glue between described tail optical fiber (1) and described metal caudal peduncle (5).
8. pigtail assembly according to claim 1, it is characterised in that the external diameter of described metal caudal peduncle (5) is 5.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040701.2U CN205374817U (en) | 2016-01-15 | 2016-01-15 | Pigtail assembly easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040701.2U CN205374817U (en) | 2016-01-15 | 2016-01-15 | Pigtail assembly easy to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205374817U true CN205374817U (en) | 2016-07-06 |
Family
ID=56277833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620040701.2U Expired - Fee Related CN205374817U (en) | 2016-01-15 | 2016-01-15 | Pigtail assembly easy to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205374817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291806A (en) * | 2016-09-05 | 2017-01-04 | 中国电子科技集团公司第四十四研究所 | The polarization maintaining optical fibre axial method of work of regulation band union joint and union joint |
| CN110908048A (en) * | 2019-12-25 | 2020-03-24 | 北京世维通科技股份有限公司 | Tail fiber assembly and electro-optical modulator comprising same |
-
2016
- 2016-01-15 CN CN201620040701.2U patent/CN205374817U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291806A (en) * | 2016-09-05 | 2017-01-04 | 中国电子科技集团公司第四十四研究所 | The polarization maintaining optical fibre axial method of work of regulation band union joint and union joint |
| CN106291806B (en) * | 2016-09-05 | 2018-11-13 | 中国电子科技集团公司第四十四研究所 | Adjust the polarization maintaining optical fibre work of band connection head axial method and connector |
| CN110908048A (en) * | 2019-12-25 | 2020-03-24 | 北京世维通科技股份有限公司 | Tail fiber assembly and electro-optical modulator comprising same |
| CN110908048B (en) * | 2019-12-25 | 2024-04-19 | 北京世维通科技股份有限公司 | Tail fiber assembly and electro-optic modulator comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20180115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |