CN204882955U - Optical fiber connector - Google Patents
Optical fiber connector Download PDFInfo
- Publication number
- CN204882955U CN204882955U CN201520616318.2U CN201520616318U CN204882955U CN 204882955 U CN204882955 U CN 204882955U CN 201520616318 U CN201520616318 U CN 201520616318U CN 204882955 U CN204882955 U CN 204882955U
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- Prior art keywords
- joints
- main part
- optical fibre
- internal diameter
- cavity
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Abstract
The application discloses optical fiber connector, including ceramic lock pin and cover pipe shell, be formed with an installation cavity in the cover pipe shell, the installation cavity with the axial of cover pipe shell is an acute angle contained angle, the pottery lock pin one end plant in the installation cavity is internal. The utility model discloses a stability that the electric isolation mode among the prior art had been solved to optical fiber connector's structure receives the influence of structure fit -up gap and error, and owing to receive the unstable problem of cooperation that the influence of the stress that the welding brought caused the metalwork, it is little that this novel structure has reached lock pin light coupling loss, connects location accuracy, convenient to use, pleasing to the eye, the stable performance of appearance, and can improve light signal transmission speed and increase of service life's purpose greatly, optic fibre cable and shrink cover are convenient for install fast by this novel sleeve pipe shell structure.
Description
Technical field
The application belongs to technical field of optical fiber communication, particularly relates to a kind of joints of optical fibre.
Background technology
The joints of optical fibre are the docking two of optical fiber end face precisions, and the luminous energy that launching fiber is exported is coupled to greatest extent and receives in optical fiber.Lock pin is the core component of this joints of optical fibre, and practice and research show the sleeve pipe that metal material is made and lock pin, in wearing quality, temperature stability, rotproofness, and equal Shortcomings.Lock pin in the fiber optic communication connectors produced both at home and abroad at present, adapter extensively adopts zirconia ceramic material, it be a kind of by nanometer titanium dioxide zirconia material through a series of formula, the high precision special cermacis element processed, made connector is fiber active linker that is detachable, classification, make the connection of optical channel, conversion scheduling more flexible, can for light way system debugging and maintenance.
Therefore, ceramic insertion core in use will ensure that light path is unimpeded, and loss of signal is little; Version requiring, connector right alignment is high, smooth surface, pulling capacity is moderate, easy for installation, durable in use.
Utility model content
The purpose of this utility model is to provide a kind of joints of optical fibre, to overcome deficiency of the prior art.
For achieving the above object, the utility model provides following technical scheme:
The embodiment of the present application discloses a kind of joints of optical fibre, comprise ceramic insertion core and sleeve shell, be formed with an installation cavity in described sleeve shell, the axis of described installation cavity and described sleeve shell is an acute angle, and one end of described ceramic insertion core is inserted in described installation cavity.
Preferably, in the above-mentioned joints of optical fibre, described angle is 30 °.
Preferably, in the above-mentioned joints of optical fibre, described sleeve shell comprises first main part with the first external diameter and second main part with the second external diameter, described second main part is coaxially connected with described first main part, described first external diameter is greater than described second external diameter, the junction of described first main part and the second main part outside surface seamlessly transits, and the outside of described first main part protrudes out the lug boss of annular.
Preferably, in the above-mentioned joints of optical fibre, outward flange and the inward flange of described second main part opening part are formed with guiding face respectively.
Preferably, in the above-mentioned joints of optical fibre, described installation cavity comprises first cavity with the first internal diameter, second cavity with the second internal diameter and has the 3rd cavity of the 3rd internal diameter, described first internal diameter is greater than described second internal diameter, described second internal diameter is greater than described 3rd internal diameter, and one end of described ceramic insertion core is inserted in described first cavity.
Preferably, in the above-mentioned joints of optical fibre, described ceramic insertion core main body is cylindrical shape, and one end margin is formed slopely cone-shaped end, and other end endoporus place is recessed is formed with cone-shaped groove.
Preferably, in the above-mentioned joints of optical fibre, described ceramic insertion core length is 2.5 ± 0.05mm, and internal diameter is 0.5 ± 0.02mm, and external diameter is 2.499 ± 0.0005mm, and concentricity is not more than 1 μm.
Preferably, in the above-mentioned joints of optical fibre, be provided with disrance sleeve between described sleeve shell and ceramic insertion core, the material of described disrance sleeve is Polyetherimide Engineering Thermoplastics.
With prior art mutually this, the utility model has the advantage of: the stability that the structure of the joints of optical fibre of the present utility model solves electrical isolation mode of the prior art is subject to the impact of Standard gap and error, and causes the problem of the cooperation instability of metalwork due to the impact being subject to welding the stress brought; It is little that this new structure reaches lock pin optical coupling loss, connects accurate positioning, easy to use, good looking appearance, stable performance, and the object that can greatly improve light signal transmission speed and increase the service life; This new casing shell mechanism, is convenient to Fast Installation optical fiber cable and shrinks cover.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the cut-open view of the joints of optical fibre in the utility model specific embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be described in detail the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Shown in ginseng Fig. 1, the joints of optical fibre, comprise ceramic insertion core 1 and sleeve shell 2, are formed with an installation cavity in sleeve shell 2, and the axis of installing cavity and sleeve shell 2 is an acute angle, and one end of ceramic insertion core 1 is inserted in installs in cavity.Preferably, the axial angle installing cavity and sleeve shell is 30 °.
Further, sleeve shell 2 comprises first main part 21 with the first external diameter and second main part 22 with the second external diameter, second main part 22 is coaxially connected with the first main part 21, first external diameter is greater than the second external diameter, the junction 24 of the first main part 21 and the second main part 22 outside surface seamlessly transits, and the outside of the first main part protrudes out the lug boss 23 of annular.Outward flange and the inward flange of the second main part 22 opening part are formed with guiding face 221,222 respectively.
In this technical scheme, can Fast Installation optical fiber cable and contraction cover by guiding face 221,222 and smooth transition surface 24.
Further, install cavity comprise there is the first internal diameter the first cavity 25, there is the second cavity 26 of the second internal diameter and there is the 3rd cavity 27 of the 3rd internal diameter, first internal diameter is greater than the second internal diameter, and the second internal diameter is greater than the 3rd internal diameter, and one end of ceramic insertion core 1 is inserted in the first cavity 25.
In this technical scheme, the first cavity and the second pocketed connection form step, for carrying out spacing to the ceramic insertion core inserted.
Further, ceramic insertion core 1 main body is cylindrical shape, and one end margin is formed slopely cone-shaped end, and other end endoporus place is recessed is formed with cone-shaped groove.Ceramic insertion core 1 length is 2.5 ± 0.05mm, and internal diameter is 0.5 ± 0.02mm, and external diameter is 2.499 ± 0.0005mm, and concentricity is not more than 1 μm.
In this technical scheme, it is little that ceramic insertion core structure structure reaches lock pin optical coupling loss, connects accurate positioning, easy to use, good looking appearance, stable performance, and the object that can greatly improve light signal transmission speed and increase the service life.
Further, be provided with disrance sleeve (not shown) between sleeve shell 2 and ceramic insertion core 1, the material of disrance sleeve is Polyetherimide Engineering Thermoplastics.
In this technical scheme, the stability that this structure solves electrical isolation mode of the prior art is subject to the impact of Standard gap and error, and causes the problem of the cooperation instability of metalwork due to the impact being subject to welding the stress brought.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (8)
1. joints of optical fibre, it is characterized in that, comprise ceramic insertion core and sleeve shell, in described sleeve shell, be formed with an installation cavity, the axis of described installation cavity and described sleeve shell is an acute angle, and one end of described ceramic insertion core is inserted in described installation cavity.
2. the joints of optical fibre according to claim 1, is characterized in that: described angle is 30 °.
3. the joints of optical fibre according to claim 1, it is characterized in that: described sleeve shell comprises first main part with the first external diameter and second main part with the second external diameter, described second main part is coaxially connected with described first main part, described first external diameter is greater than described second external diameter, the junction of described first main part and the second main part outside surface seamlessly transits, and the outside of described first main part protrudes out the lug boss of annular.
4. the joints of optical fibre according to claim 3, is characterized in that: outward flange and the inward flange of described second main part opening part are formed with guiding face respectively.
5. the joints of optical fibre according to claim 1, it is characterized in that: described installation cavity comprises first cavity with the first internal diameter, second cavity with the second internal diameter and has the 3rd cavity of the 3rd internal diameter, described first internal diameter is greater than described second internal diameter, described second internal diameter is greater than described 3rd internal diameter, and one end of described ceramic insertion core is inserted in described first cavity.
6. the joints of optical fibre according to claim 1, is characterized in that: described ceramic insertion core main body is cylindrical shape, and one end margin is formed slopely cone-shaped end, and other end endoporus place is recessed is formed with cone-shaped groove.
7. the joints of optical fibre according to claim 6, is characterized in that: described ceramic insertion core length is 2.5 ± 0.05mm, and internal diameter is 0.5 ± 0.02mm, and external diameter is 2.499 ± 0.0005mm, and concentricity is not more than 1 μm.
8. the joints of optical fibre according to claim 1, is characterized in that: be provided with disrance sleeve between described sleeve shell and ceramic insertion core, and the material of described disrance sleeve is Polyetherimide Engineering Thermoplastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616318.2U CN204882955U (en) | 2015-08-17 | 2015-08-17 | Optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616318.2U CN204882955U (en) | 2015-08-17 | 2015-08-17 | Optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204882955U true CN204882955U (en) | 2015-12-16 |
Family
ID=54827314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520616318.2U Expired - Fee Related CN204882955U (en) | 2015-08-17 | 2015-08-17 | Optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204882955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109791258A (en) * | 2016-08-29 | 2019-05-21 | 康宁光电通信有限责任公司 | Optical fiber connector sub-component including bonding agent and associated method |
| CN118131410A (en) * | 2024-05-07 | 2024-06-04 | 成都奥捷通信技术有限公司 | Universal optical passive connector and use method thereof |
-
2015
- 2015-08-17 CN CN201520616318.2U patent/CN204882955U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109791258A (en) * | 2016-08-29 | 2019-05-21 | 康宁光电通信有限责任公司 | Optical fiber connector sub-component including bonding agent and associated method |
| CN118131410A (en) * | 2024-05-07 | 2024-06-04 | 成都奥捷通信技术有限公司 | Universal optical passive connector and use method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20170817 |