CN208076770U - A kind of optical fiber connector - Google Patents
A kind of optical fiber connector Download PDFInfo
- Publication number
- CN208076770U CN208076770U CN201820656181.7U CN201820656181U CN208076770U CN 208076770 U CN208076770 U CN 208076770U CN 201820656181 U CN201820656181 U CN 201820656181U CN 208076770 U CN208076770 U CN 208076770U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- square plate
- optic fibre
- fiber connector
- washer
- 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
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- Mechanical Light Control Or Optical Switches (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model provides a kind of optical fiber connector, is suitable for high speed fibre transmission technique field.Solve the problems, such as that existing fiber connector merging precision is not high, service life is short and docking insertion loss is high.The optical fiber connector includes optic fibre switching socket, and is separately installed with Optical fiber plug at the left and right both ends of the optic fibre switching socket；Optic fibre switching socket includes square plate shell and porcelain bushing, and the left and right both ends of square plate shell are respectively equipped with single key slot, while the left and right both ends periphery of square plate shell is evenly distributed 3 keys respectively；The Optical fiber plug includes outer housing, inner housing, ceramic insertion core, washer I, elastic component, washer II and clamp spring.The utility model optical fiber connector has high-speed transfer characteristic, transmission bandwidth height, electromagnetism interference, Butt-coupling are precisely reliable, service life is long, effectively prevents the scuffing of fiber end face and lateral offset loss during Butt-coupling, it is ensured that the excellent transmission performance of optical signal.
Description
Technical field
The utility model belongs to high speed fibre transmission technique field, more particularly to a kind of optical fiber connector is mainly used in
Optical fiber test equipment, outdoor fibre-optic transmission system (FOTS) field.
Background technology
Optic fibre switching socket docking structure in existing optical fiber connector is two key bayonet connections, poor reliability, service life
It is low, and optical fiber contact body can make optical fiber contact body coupling end face be easy to generate in docking operation around the rotation of central axis
Lateral offset loss causes the insertion loss during optical signal transmission bigger than normal, and repeatedly after docking, the damage of optical mode field also can even make
Fail at optical signal transmission, during long-term use, be easy to cause the decline of merging precision, cause in contact to taking over
Lock pin, which docks deflection and interfered with the porcelain bushing in socket, in journey causes the scuffing of insertion core end face to even result in ceramic jacket
The fragmentation of pipe, service life are shorter.
In order to improve above-mentioned unfavorable condition, cope with the requirements at the higher level in market, need it is a kind of both ensureing that connection is accurate, reliable,
The fiber optic adapter that can prevent contact from rotating again.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of optical fiber connector, which can greatly prolong
The service life of optic fibre switching socket, reducing influences caused by a degree of vibration, impact, avoids optical fiber contact end face
Damage, reduce docking insertion loss.
In order to achieve the above object, the technical solution adopted in the utility model is：A kind of optical fiber connector, including optical fiber turn
Combination hub, and it is separately installed with Optical fiber plug at the left and right both ends of the optic fibre switching socket；
The optic fibre switching socket includes square plate shell and porcelain bushing, and square plate enclosure interior center has casing
Chamber, the porcelain bushing interference are mounted in casing cavity；The left and right both ends of square plate shell are respectively equipped with single key slot, while square plate shell
The left and right both ends periphery of body is evenly distributed 3 keys respectively；
The Optical fiber plug includes outer housing, inner housing, ceramic insertion core, washer I, elastic component, washer II and clamp spring；It is described
Ceramic insertion core interference fit is mounted on inner housing center, and ceramic insertion core forms optical fiber contact body, optical fiber contact body peace with inner housing
In outer housing, it is sequentially installed with washer I, elastic component, washer II between inner housing tail end periphery and outer housing inside, blocks
Spring is mounted in outer housing tail end jump-ring slot.
Further, inner housing front end periphery is equipped with 1 anti-rotation singly-bound protruded outward, with the optic fibre switching
The single key slot of socket coordinates, and prevents optical fiber contact body and axial rotation in optic fibre switching socket docking operation.
Further, the outer housing inner circumferential is equipped with hook slot, coordinates with 3 keys of square plate shell periphery.
Further, the elastic component is ripple spring.
Compared with prior art, the utility model has the advantages that：
(1) optical fiber connector of the utility model is connected in the form of three key bayonets, connects fast and stable, and service life is long.
(2) the optical fiber contact body structure of the utility model uses anti-rotation singly-bound, does not generate and is pivoted in docking operation,
Ferrule endface is avoided since rotation causes the scuffing of optical mode field and lateral offset loss, influences the transmission of optical signal.
(3) the Optical fiber plug end tail portion of the utility model uses ripple spring elastic part, no longer uses reliability not strong
Conventional springs structure, make up displacement in optical fiber contact body coupling process；Ensure optical fiber contact body using porcelain bushing simultaneously
The connector is accessed in active system, lower optical fiber Insertion Loss may be implemented by the concentricity of docking.
(4) Optical fiber plug provides the optical fiber contact body displacement that coupling generates using elastic component, realizes Butt-coupling process
Optical fiber contact body does not generate rotation, accurate and reliable to connect.
To sum up, the advantages of the utility model optical fiber connector, is have high-speed transfer characteristic, transmission bandwidth height, anti-electromagnetism
Interference, Butt-coupling are precisely reliable, and service life is long, effectively prevents the scuffing and dislocation of fiber end face during Butt-coupling
Loss, it is ensured that the excellent transmission performance of optical signal.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of optic fibre switching socket；
Fig. 3 is the structural schematic diagram of Optical fiber plug；
In figure：
1- optic fibre switching sockets；1-1- square plate shells；1-1-1- single key slots；1-1-2- keys；
1-2- casing cavities；1-3- porcelain bushings；
2- Optical fiber plugs；
2-1- outer housings；2-1-1- hook slots；
2-2- inner housings；2-2-1- anti-rotation singly-bounds；
2-3- ceramic insertion cores；2-4- washers I；2-5- elastic components；2-6- washers II；2-7- clamp springs.
Specific implementation mode
With reference to the accompanying drawings of the specification and specific embodiment is further elaborated the utility model.
- Fig. 3 referring to Fig.1, a kind of optical fiber connector, including optic fibre switching socket 1, and in the optic fibre switching socket
Left and right both ends are separately installed with Optical fiber plug 2；
The optic fibre switching socket 1 includes square plate shell 1-1 and porcelain bushing 1-3, the square plate shell 1-1 inside centers
With casing cavity 1-2, the porcelain bushing 1-3 interference is mounted in casing cavity 1-2；The left and right both ends square plate shell 1-1 are set respectively
There is single key slot 1-1-1, while average mark is furnished with 3 key 1-1-2 respectively for the left and right both ends peripheries square plate shell 1-1；
The Optical fiber plug 2 include outer housing 2-1, inner housing 2-2, ceramic insertion core 2-3, I 2-4 of washer, elastic component 2-5,
Washer II 2-6 and clamp spring 2-7；Ceramic insertion core 2-3 interference fit is mounted on the centers inner housing 2-2, ceramic insertion core 2-3 with it is interior
Shell 2-2 forms optical fiber contact body, and optical fiber contact body is mounted in outer housing 2-1, in inner housing 2-2 tail ends periphery and outer housing
I 2-4 of washer, elastic component 2-5, washer II 2-6, clamp spring 2-7 are sequentially installed between the inside 2-1 mounted on outer housing 2-1 tail ends
In jump-ring slot.
The front ends inner housing 2-2 periphery is equipped with 1 anti-rotation singly-bound 2-2-1 protruded outward, with the optic fibre switching
The single key slot 1-1-1 cooperations of socket 1, prevent optical fiber contact body and axial rotation in 1 docking operation of optic fibre switching socket.
The outer housing 2-1 inner circumferentials are equipped with hook slot 2-1-1, coordinate with 3 key 1-1-2 of the peripheries square plate shell 1-1, real
The fast and reliable connection of existing connector.
The elastic component 2-5 is ripple spring, realizes the fast and reliable connection of connector.
When assembly, porcelain bushing 1-3 is assemblied in micro- compressive state in the casing cavity 1-2 of square plate shell 1-1, sharp after assembly
With the relaxation of porcelain bushing 1-3, interference fit, which is installed in casing cavity 1-2, becomes optic fibre switching socket 1；
Ceramic insertion core 2-3 and inner housing 2-2 are interference fitted, optical fiber contact body is formed, then assembles optical fiber contact body
Into outer housing 2-1, I 2-4 of washer, ripple spring 2-5, II 2-6 of washer are then assembled to inner housing 2-2 and outer housing successively
In 2-1, finally clamp spring 2-7 is mounted in the jump-ring slot of outer housing 2-1 tail ends, forms Optical fiber plug 2, Optical fiber plug tail portion is adopted
With ripple spring elastic part, the conventional springs structure for no longer using reliability not strong makes up position in optical fiber contact body coupling process
Shifting amount.
Then Optical fiber plug 2 is installed respectively at the left and right both ends of optic fibre switching socket 1.The ceramic insertion core 2- of Optical fiber plug 2
3 dock with the porcelain bushing 1-3 of optic fibre switching socket 1, ensure the concentricity of optical fiber contact body docking using porcelain bushing 1-3,
When the connector is accessed active system, lower optical fiber Insertion Loss may be implemented.By the anti-rotation singly-bound 2-2-1 on inner housing 2-2
Corresponding to be inserted into single key slot 1-1-1, such optical fiber contact body does not generate in docking operation to be pivoted, and docking operation is avoided
The end faces middle ceramic insertion core 2-3 influence the transmission of optical signal since rotation causes the scuffing of optical mode field and lateral offset loss.Outer housing 2-1
3 key 1-1-2 cooperations of the periphery hook slot 2-1-1 and square plate shell 1-1 of inner circumferential, realize the fast and reliable connection of connector.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (4)
1. a kind of optical fiber connector, which is characterized in that the optical fiber connector includes optic fibre switching socket, and in the optic fibre switching
The left and right both ends of socket are separately installed with Optical fiber plug；
The optic fibre switching socket includes square plate shell and porcelain bushing, and square plate enclosure interior center has casing cavity, institute
Porcelain bushing interference is stated in casing cavity；The left and right both ends of square plate shell are respectively equipped with single key slot, at the same square plate shell it is left,
Right both ends periphery is evenly distributed 3 keys respectively；
The Optical fiber plug includes outer housing, inner housing, ceramic insertion core, washer I, elastic component, washer II and clamp spring；The ceramics
Lock pin interference fit is mounted on inner housing center, and ceramic insertion core forms optical fiber contact body with inner housing, and optical fiber contact body is mounted on
In outer housing, washer I, elastic component, washer II, clamp spring peace are sequentially installed between inner housing tail end periphery and outer housing inside
In outer housing tail end jump-ring slot.
2. a kind of optical fiber connector as described in claim 1, which is characterized in that inner housing front end periphery be equipped with 1 to
The anti-rotation singly-bound of outside protrusion coordinates with the single key slot of the optic fibre switching socket, prevents optical fiber contact body from being inserted with optic fibre switching
Axial rotation in seat docking operation.
3. a kind of optical fiber connector as described in claim 1, which is characterized in that the outer housing inner circumferential is equipped with hook slot, with
3 keys of square plate shell periphery coordinate.
4. a kind of optical fiber connector as described in claim 1, which is characterized in that the elastic component is ripple spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656181.7U CN208076770U (en) | 2018-05-04 | 2018-05-04 | A kind of optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656181.7U CN208076770U (en) | 2018-05-04 | 2018-05-04 | A kind of optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208076770U true CN208076770U (en) | 2018-11-09 |
Family
ID=64045416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820656181.7U Expired - Fee Related CN208076770U (en) | 2018-05-04 | 2018-05-04 | A kind of optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208076770U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679371A (en) * | 2020-05-27 | 2020-09-18 | 中国航天时代电子有限公司 | Polarized light coupling connecting device |
| CN111999821A (en) * | 2020-09-10 | 2020-11-27 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Straight optical fiber type cabin-penetrating optical fiber airtight adapter and connection method |
| CN114966994A (en) * | 2022-05-20 | 2022-08-30 | 中航光电科技股份有限公司 | FC type optical fiber connector assembly, FC adapter and FC connector plug thereof |
-
2018
- 2018-05-04 CN CN201820656181.7U patent/CN208076770U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679371A (en) * | 2020-05-27 | 2020-09-18 | 中国航天时代电子有限公司 | Polarized light coupling connecting device |
| CN111679371B (en) * | 2020-05-27 | 2022-05-20 | 中国航天时代电子有限公司 | Polarized light coupling connecting device |
| CN111999821A (en) * | 2020-09-10 | 2020-11-27 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Straight optical fiber type cabin-penetrating optical fiber airtight adapter and connection method |
| CN111999821B (en) * | 2020-09-10 | 2024-04-05 | 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) | Straight optical fiber type cabin penetrating optical fiber airtight adapter and connecting method |
| CN114966994A (en) * | 2022-05-20 | 2022-08-30 | 中航光电科技股份有限公司 | FC type optical fiber connector assembly, FC adapter and FC connector plug thereof |
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| 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: 20181109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |