CN2550783Y - Optical fibre fixer - Google Patents
Optical fibre fixer Download PDFInfo
- Publication number
- CN2550783Y CN2550783Y CN 01258112 CN01258112U CN2550783Y CN 2550783 Y CN2550783 Y CN 2550783Y CN 01258112 CN01258112 CN 01258112 CN 01258112 U CN01258112 U CN 01258112U CN 2550783 Y CN2550783 Y CN 2550783Y
- Authority
- CN
- China
- Prior art keywords
- connector
- pedestal
- fixing device
- optic fibre
- fibre fixing
- 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 Coupling Of Light Guides (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model relates to an optical fiber fixing device for fixing optical fiber in a housing of an optical communication device, comprising an optical fiber retainer and a connector. The utility model is characterized in that the optical fiber retainer comprises a stress buffer and a base for fixing the stress buffer; one end of the base is matched and connected with the stress buffer, the other end is connected with the connector; the connector is annular and provided with an outer ring rib and an inner ring rib, corresponding grooves are arranged on the base and the housing matched with the outer ring rib and the inner ring rib.
Description
[technical field]
The utility model is about a kind of optic fibre fixing device, particularly has optical fiber holder and a connector about a kind of, can optical fiber be fixed in the optic fibre fixing device of optic communication device housing by the special ring type structure of connector.
[background technology]
In general optic communication device or module, optical fiber is as the necessary medium of light transmission, because of its material is a quartz glass, the insufficient strength of material and be easy to the fracture, optical fiber also can only flexural deformation in limited radius-of-curvature, the light signal generating bending loss (Bending Loss) that transmits in the optical fiber can be caused as curved transitions, even the fracture of optical fiber may be caused; Again because of optical fiber when inserting the optic communication device housing, must be in addition good fixing, the excessive coupling loss of generation when preventing it and optical communication module in the housing is connected.Produce excessive coupling loss situation appearance for avoiding optical fiber to insert, prevent optical fiber overbend or fracture simultaneously,, must fix optical fiber with optic fibre fixing device in the junction of optical fiber access optic communication device housing.Optic fibre fixing device is widely used in optical communication, and it can be used in optic communication devices such as light path exchange system, dense wavelength division multiplexing system, photoswitch, optical access device, optical attenuator or the module.
Again because optical fiber inserts optic communication device housing place, foreign normally, as: the easiest intrusion parts such as steam, dust, when steam or dust rest on optical communication module in the optic communication device, tend to cause the improper decay of light signal, even can cause oxidation, and then influence the service efficiency and the life-span of optic communication device to composition assembly wherein.Cause is that optic fibre fixing device also must be taken into account the impermeability requirement when being installed on optic communication device, invade the optic communication device enclosure interior to prevent steam or dust in the outside atmosphere.
Generally speaking, hold optical fiber for smooth-going containing in the optic fibre fixing device, all have the stress buffer device that a resilient material is made.For this stress buffer device of fixing, then need a pedestal, this pedestal is many to be made with metal.In the prior art, the pedestal and the optical fiber holder of stress buffer device composition and combining of optic communication device housing are generally adopted the welding manner connection or make public thread on pedestals, make box thread simultaneously on housing, with thread locking.
As adopt welding manner, and because of welding junction that required high temperature can cause housing and pedestal under temperatures involved, the distortion that is distorted, thus influence the degree of accuracy of fiber optic collimator, and the job sequence process of welding is longer, and be difficult for keeping the homogeneity of product quality.Simultaneously, this kind mode of connection is not easy to assemble.As adopt screw thread thread fit system in conjunction with housing and pedestal, can because thread itself between the crack so that cause impermeability and degree of accuracy relatively poor.
[summary of the invention]
The purpose of this utility model is to provide that a kind of impermeability is good, processing procedure easily and assemble simple optic fibre fixing device.
For realizing the utility model purpose, the utility model comprises an optical fiber holder and a connector with optic fibre fixing device, and wherein optical fiber holder further comprises a stress buffer device and a pedestal, and the stress buffer device is nested on the pedestal.Connector is used for the pedestal of this optical fiber holder fixed fiber holding device is fixed in the case side face, this connector is a ring-type, ring and outer shroud all have fin in it, and above-mentioned fin all has the inclination angle of elastically deformable, and pedestal with matching and housing have corresponding grooves.
Compared to prior art, the utility model optic fibre fixing device has that impermeability is good, stable performance, the preferable advantage of fixing optical fiber effect.
[description of drawings]
Fig. 1 is the stereographic map that the utility model optic fibre fixing device is arranged at an optic communication device housing.
Fig. 2 is the three-dimensional exploded view of the utility model optic fibre fixing device and optic communication device housing.
Fig. 3 is the stereographic map of the utility model optic fibre fixing device stress buffer device.
Fig. 4 is the sectional view of Fig. 3 along the A-A profile line.
Fig. 5 is the stereographic map of the utility model optic fibre fixing device pedestal.
Fig. 6 is the sectional view of Fig. 5 along the B-B profile line.
Fig. 7 is the stereographic map of the utility model optic fibre fixing device connector.
Fig. 8 is the sectional view of Fig. 7 along the C-C profile line.
Fig. 9 is the sectional view of Fig. 1 along the D-D profile line.
[embodiment]
See also Fig. 1,2, the utility model optic fibre fixing device 1 in order to fixed fiber in an optic communication device housing 30, it comprises optical fiber holder 10 and connector 20, wherein optical fiber holder 10 fixes with connector 20 and forms combination, and optical fiber holder 10 is connected with housing 30 by connector 20 and is fixed in the housing 30.
See also Fig. 2, Fig. 3 and Fig. 4, optical fiber holder 10 further comprises a stress buffer device 11 and a pedestal 12, wherein stress buffer device 11 can adopt rubber or plastics elastomeric material to make, the one end is first cylindrical end 112, the other end is a tapering point 113, and first cylindrical end, 112 ends inwardly are provided with a raised ring 114, the first through holes 111 and connect this first cylindrical end 112 and tapering point 113.
Again please in the lump referring to Fig. 5, Fig. 6, pedestal 12 can adopt metal material to make, has second through hole 121, the one end is second cylindrical end 122 and groove ring 127, can match with first cylindrical end 112 and the raised ring 114 of stress buffer device 11, make stress buffer device 11 can be socketed on pedestal 12 thus, wherein, first cylindrical end, 112 internal diameter sizes of stress buffer device 11 that elastic deformation does not take place the outside dimension of second cylindrical end 122 are big slightly.Pedestal 12 has the groove 123 that matches with connector 20 with respect to the other end of second cylindrical end 122, the middle circle shell of column of pedestal 12 is partly established the first relative platform 124 and second platform 125, in the time of can being convenient to install pedestal 12 be carried out clamping,, establish chamfering 126 in the end of groove 123 1 ends.
See also Fig. 2, Fig. 7 and Fig. 8 again, connector 20 adopts elastomeric material to make, tool third through-hole 201, ringwise, ring fin 202 in being equipped with in it, be equipped with two outer shroud fins 203 outward, above-mentioned fin 202,203 all has an inclination angle, and inclination direction each other in the other direction, wherein, interior ring fin 202 vergence directions make connector 20 be easy to be assembled on the pedestal 12 and have the effect that fixes driving fit concurrently, and the vergence direction of outer shroud fin 203 can make connector 20 fix driving fits in this optic communication device housing 30.
Referring again to Fig. 2, the housing 30 that matches with optic fibre fixing device 1 comprises upper shell 31 and lower house 32, the sidewall of this upper and lower casing 31,32 all has half through hole 311,321, can ccontaining connector 20 and part pedestal 12, the sidewall of this first through hole 311 and second through hole 321 is equipped with first ring groove 312 and second ring groove 322 that matches with the outer shroud fin 203 of connector 20, it can form a complete annular groove when upper and lower casing 31,32 covers, just match with the prominent rib 203 of the outer shroud of connector 20.Upper shell is provided with through hole 301,302,303,304 for 31 4 jiaos, and lower house has the through hole 305,306,307 and 308 that is oppositely arranged for 32 4 jiaos.This eight through hole can cooperate in twos, and with screw locking, forms the inside accommodation space of optic communication device such as photoswitches to cover housing 30.
Please cooperate with reference to Fig. 9, the utility model optic fibre fixing device 1 is along the sectional view of D-D profile line among Fig. 1, wherein first cylindrical end 112 of stress buffer device 11 and raised ring 114 are nested with second cylindrical end 122 and the groove ring 127 of pedestal 12 in the optical fiber holder 10, the interior ring fin 202 of connector 20 is placed in the groove 123 of said base 12, when second through hole 321 that the end that pedestal 12 is provided with groove ring 127 is installed in first through hole 311 of upper shell 31 and lower house 32 together with connector 20 covers in the formed through hole, and the outer shroud fin 203 of connector 20 just matches with the groove 312 of upper shell 31 sidewalls and the groove 322 of lower house 32 sidewalls.
During assembling, stress buffer device 11 matches with pedestal 12 and forms optical fiber holder 10, then rubber mass connector 20 pedestal 12 that pushes optical fiber holder 10 along ring fin 202 vergence directions in it is provided with an end of groove 123, groove 123 until connector 20 and pedestal 12 fixes coupling fully, to go up again, lower house 31,32 cover relatively, make pedestal 12 and connector 20 cooperate fixing simultaneously with housing 30, and on, lower house 31,32 groove 312,322 just in time dash forward 203 ccontaining cooperations of rib with the outer shroud of connector 20, because connector outer shroud fin 203 has the elasticity of inclination angle and rubber itself, all can make connector 20 cooperate closely with pedestal 12 and housing 30.
The utility model optic fibre fixing device can have corresponding variation design, as the interior ring fin of connector and the respective change of outer shroud fin, as long as guarantee that connector can match with pedestal and housing, and pedestal has the groove that cooperates with connector accordingly with housing, and then connector can be designed to ring fin and one or three outer shroud fins in two.
Claims (9)
1. optic fibre fixing device, in order to fixed fiber in an optic communication device housing, it comprises an optical fiber holder, this optical fiber holder further comprises a stress buffer device and a pedestal, this stress buffer device is nested on the pedestal, it is characterized in that: this optic fibre fixing device further comprises a connector, and wherein, this connector is socketed on pedestal one end and is fixedly arranged in the optic communication device housing.
2. optic fibre fixing device according to claim 1 is characterized in that: wherein this stress buffer device comprises a cylindrical end and a tapering point, and the end of this cylindrical end inwardly is provided with a protruding ring.
3. optic fibre fixing device according to claim 2 is characterized in that: wherein this stress buffer device and pedestal all have through hole, and this optic communication device housing has a lateral aperture, and this optical fiber is fixed in this pedestal and by connector and is fixed in this lateral aperture.
4. optic fibre fixing device according to claim 2 is characterized in that: wherein the outside dimension of this pedestal and stress buffer device socket end is greater than the internal diameter size of this stress buffer device cylindrical end.
5. optic fibre fixing device according to claim 1 is characterized in that: wherein this connector adopts elastomeric material to make, and in the form of a ring.
6. optic fibre fixing device according to claim 2 is characterized in that: wherein this pedestal is provided with a groove, ring fin in this connector then is provided with, and ring fin is fastened in this groove in this.
7. optic fibre fixing device according to claim 1 is characterized in that: wherein the sidewall of this optic communication device housing comprises groove, and this connector setting is stuck in the outer shroud fin in this groove.
8. optic fibre fixing device according to claim 2 is characterized in that: wherein this connector is provided with interior ring fin and the outer shroud fin that matches with pedestal and optic communication device housing, and above-mentioned fin has certain inclination angle.
9. optic fibre fixing device according to claim 8 is characterized in that: the inclination angle of the inclination angle of ring fin and outer shroud fin each other in the other direction in wherein being somebody's turn to do.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01258112 CN2550783Y (en) | 2001-11-15 | 2001-11-15 | Optical fibre fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01258112 CN2550783Y (en) | 2001-11-15 | 2001-11-15 | Optical fibre fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2550783Y true CN2550783Y (en) | 2003-05-14 |
Family
ID=33666749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01258112 Expired - Fee Related CN2550783Y (en) | 2001-11-15 | 2001-11-15 | Optical fibre fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2550783Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7393146B2 (en) | 2005-09-30 | 2008-07-01 | Eudyna Devices Inc. | Optical module |
| CN102385120A (en) * | 2011-10-27 | 2012-03-21 | 中航光电科技股份有限公司 | Optical fiber connector for pre-connection |
| CN102385118A (en) * | 2011-10-27 | 2012-03-21 | 中航光电科技股份有限公司 | Optical fiber connector and adaptor thereof |
| CN102385117A (en) * | 2011-10-27 | 2012-03-21 | 中航光电科技股份有限公司 | Contact pin assembly of optical fiber connector |
-
2001
- 2001-11-15 CN CN 01258112 patent/CN2550783Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7393146B2 (en) | 2005-09-30 | 2008-07-01 | Eudyna Devices Inc. | Optical module |
| CN100460906C (en) * | 2005-09-30 | 2009-02-11 | 优迪那半导体有限公司 | Optical module |
| CN101339279B (en) * | 2005-09-30 | 2010-06-02 | 优迪那半导体有限公司 | Optical module |
| CN102385120A (en) * | 2011-10-27 | 2012-03-21 | 中航光电科技股份有限公司 | Optical fiber connector for pre-connection |
| CN102385118A (en) * | 2011-10-27 | 2012-03-21 | 中航光电科技股份有限公司 | Optical fiber connector and adaptor thereof |
| CN102385117A (en) * | 2011-10-27 | 2012-03-21 | 中航光电科技股份有限公司 | Contact pin assembly of optical fiber connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |