CN201732188U - Quick optical fiber connector - Google Patents
Quick optical fiber connector Download PDFInfo
- Publication number
- CN201732188U CN201732188U CN2010202888819U CN201020288881U CN201732188U CN 201732188 U CN201732188 U CN 201732188U CN 2010202888819 U CN2010202888819 U CN 2010202888819U CN 201020288881 U CN201020288881 U CN 201020288881U CN 201732188 U CN201732188 U CN 201732188U
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- optical fiber
- contact pin
- ceramic
- optical
- quick connector
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Abstract
The utility model discloses a quick optical fiber connector, which belongs to an optical fiber connection technique. The utility model mainly solves the problems of optical fiber-holding elements in the prior art, such as easy aging. The quick optical fiber connector comprises an anti-loosening optical fiber guiding and positioning mechanism and an optical fiber positioner, wherein the anti-loosening optical fiber guiding and positioning mechanism comprises a tail holder, in which an optical fiber collet and a ceramic pin are arranged, the optical fiber collet is made of elastic metal material, the ceramic pin is communicated with the optical fiber collet, and the optical fiber positioner is connected with the ceramic pin through an optical fiber access end arranged on the end of the optical fiber positioner. An optical fiber and matching gel are not preburied in the element, so the structure of the quick optical fiber connector is different from the structure of the conventional quick optical fiber connector, that is, the utility model is designed according to a non-preburied optical fiber type structure, consequently, the quick optical fiber connector only has one optical fiber-butting point, the connection loss of the quick optical fiber connector is normally less than the connection loss of the conventional quick optical fiber connector, and moreover, the optical fiber collet made of the elastic metal material can be effectively prevented from aging, so that the service life of the optical fiber collet is effectively guaranteed.
Description
Technical field
The utility model relates to a kind of joints of optical fibre, specifically is meant a kind of optical fiber quick connector.
Background technology
Optical fiber quick connector is one of optical passive component of the fiber optic communication field most critical of realizing that Fiber to the home (FTTH), and the external optical fiber quick connector that adopts is pre-buried optical fiber type structure at present.So-called pre-buried optical fiber type structure is meant at the pre-buried one section optical fiber of device inside, and this optical fiber front end grinding and polishing, and the rear end is by V-type groove and the fiber alignment that will be connected.For reducing junction loss, fill optical fiber coupling cream in the V-type of the being everlasting groove.During engineering construction, the special-purpose construction tool that must adopt the product development merchant to provide just can be finished installation.
Yet adopt this structure but to have following defective: 1, since the docking point of optical fiber in the V-type groove, when construction, optical fiber is after the fiber cut cutter cuts off, and end face is not checked (working-yard also can't be checked), so big to the dependence of fiber end face cut quality and optical fiber coupling cream.If cutting is bad, will directly influence the optical fiber junction loss, so its structural design is unreasonable.2, in order to improve the fiber alignment precision, generally also need to adopt the V-type groove that the bare fibre of 0.125mm is positioned clamping.Because the V-type groove adopts the organic material manufacturing, after the burn-in effects that is subjected to temperature variation and organic material, its holding force will reduce, and junction loss will increase, and when therefore adopting this optical fiber quick connector, the reliability of its fiber gripper is relatively poor.3, when mounted, because the fiber alignment place does not have the power that axially is adjacent to, therefore the influence of V-type groove inner fiber coupling cream tends to cause two fiber end face gaps greater than 0.005mm in addition.Though the use initial stage, its insertion loss also can reach≤0.5dB, but As time goes on, add the open architecture of V-type groove, the optical fiber coupling cream that is contained in V-type groove inside just can run off, contaminated and aging, and then can cause inserting the big even blackout of loss change, so its less stable that continues.4, because this optical fiber quick connector contains 2 fiber alignment points, so junction loss is actually the stack of two docking point losses, and it is bigger that it inserts loss.5, when reality is used, fiber axis is to usually being subjected to pulling force, and pulling force directly acts on the ceramic contact pin of connector, thereby can have a strong impact on the fiber alignment effect, causes loss of signal to strengthen even interrupts.6, the existing fiber quick coupler is owing to the manufacturing process complexity, and price is higher, and the special-purpose construction tool that must adopt the product development merchant to provide just can be finished installation in addition, has therefore limited the whole world enforcement that Fiber to the home (FTTH) greatly.7, the existing fiber quick coupler must be by the process professional training, the skilled personnel that construct use specific purpose tool just can finish installation and maintenance, and user (user) can't carry out installation and maintenance, in case line fault occurs, only remain to be repaiied, so installation and maintenance is very inconvenient.Existing in addition optical fiber quick connector non-fiber guiding mechanism on its structure, very high to the installation accuracy requirement of optical fiber, must rely on special tooling, installation rate is generally all more than 100 seconds.
The utility model content
The purpose of this utility model be to overcome the design reliability unreasonable, fiber gripper that present optical fiber quick connector exists relatively poor, insert defectives such as the big and cost of manufacture of loss is higher, provide a kind of reasonable in design, reliability and stability are high, the insertion loss is less, cost of manufacture is lower, optical fiber quick connector convenient for installation and maintenance.
The purpose of this utility model is achieved through the following technical solutions:
A kind of optical fiber quick connector, mainly constitute by optical fiber guide-localization locking gear and optical fiber locator, it is characterized in that, described optical fiber guide-localization locking gear comprises tailstock, tailstock inside is provided with the Fibre cartridge for optical connector that is used for grip optical fiber and is made by metal material, and the ceramic contact pin that is communicated with Fibre cartridge for optical connector, described optical fiber locator is connected with ceramic contact pin by the optical fiber incoming end that is arranged at its termination.
For improving antidetonation, anti-drop ability, the optimal material of Fibre cartridge for optical connector is an elastic metallic.
Specifically, the two ends of described tailstock are provided with guide-localization chamber and ceramic contact pin lock chamber, Fibre cartridge for optical connector is arranged in the guide-localization chamber, its front end is communicated with the ceramic contact pin that an end is positioned at the ceramic contact pin lock chamber, the rear end is provided with an end and places swelled screw rod in the guide-localization chamber, swelled screw rod inside is provided with guiding micropore one, is provided with retainer spring between described Fibre cartridge for optical connector and swelled screw rod.
According to foregoing description, the most typical cross sectional shape of described tailstock is " H " shape.
In order to realize that better the utility model, described swelled screw flight end end face are provided with the finedraw one that twice are communicated with guiding micropore one.
Further, the global shape of described Fibre cartridge for optical connector is outer wimble structure, and its inside is provided with guiding micropore two, and also is provided with the finedraw two that four roads are connected with this guiding micropore two on the bigger end end face of its diameter.
The optical fiber incoming end of described optical fiber locator is a ceramic ring.For guaranteeing implementation result of the present utility model, reinforcement is to the station-keeping ability of optical fiber, and described optical fiber locator also is provided with the location contact pin, and location contact pin one end is positioned at ceramic ring inside, the other end is positioned at its outside, and the location contact pin that is positioned at the ceramic ring outside is provided with handle.
For guaranteeing the connective stability and the reliability of optical fiber guide-localization locking gear and optical fiber locator, the internal diameter of described ceramic ring and the diameter of ceramic contact pin are complementary, and the end that this ceramic contact pin is positioned at the tailstock outside can be inserted into ceramic ring inside and contact realization optical fiber guide-localization fully with the end face of location contact pin.The end face of described location contact pin then is the fiber orientation face after precise polished.
At last, for making things convenient for optical fiber to intert, avoid optical fiber to be damaged, guarantee the utility model smooth implementation, the center line of the center line of the center line of described guiding micropore one, guiding micropore two, the center line of ceramic contact pin and location contact pin all is located on the same line.
The utility model is compared than prior art, has the following advantages and beneficial effect:
(1) the utility model does not have pre-buried optical fiber (being non-pre-buried optical fiber type structure) and coupling cream at device inside, its structure is different from the structure of existing optical fiber quick connector, be that the utility model is by non-pre-buried optical fiber type structural design, therefore the fiber alignment point has only one, and its junction loss is generally less than the junction loss of existing fiber quick coupler.
(2) the utility model is after optical fiber is installed clamping, and available magnifier is checked fiber end face, can avoid optical fiber junction loss situation bigger than normal to occur.Fibre cartridge for optical connector simultaneously of the present utility model adopts the elastic metallic material manufacturing to form, and do not have the problem of aging of plastic components, so the temperature on fiber holding force does not almost have influence.
(3) the utility model has the power that axially is adjacent at the fiber alignment place, and during fiber alignment, two fiber end face gaps are almost nil, so its junction loss is often less than 0.3dB (for the optical fiber of same type and quality).Because the utility model does not use optical fiber coupling cream, do not have loss, pollution and the problem of aging of optical fiber coupling cream, so its continue stable very good.
(4) because the axial tension that the utility model bore is to directly act on the housing of device, and ceramic contact pin is not subjected to axial tension, therefore axial tension can not influence the effect of fiber alignment, that is to say that axial tension almost do not have influence to the junction loss of fiber alignment.
(5) not only manufacturing cost is lower, installation is very simple for the utility model, needs special-purpose construction tool just can finish installation hardly.If to naked fine construction, can finish fiber orientation less than 10 seconds and clamp.
Description of drawings
Fig. 1 is the utility model one-piece construction synoptic diagram.
Fig. 2 is the structural representation of optical fiber guide-localization locking gear in the utility model.
Fig. 3 is the structural representation of optical fiber locator in the utility model.
Fig. 4 is the longitudinal cross-section synoptic diagram of swelled screw rod in the utility model.
Fig. 5 is a swelled screw flight end end view among Fig. 4.
Fig. 6 is the longitudinal cross-section synoptic diagram of Fibre cartridge for optical connector in the utility model.
Fig. 7 is a Fibre cartridge for optical connector front end end view among Fig. 6.
Wherein, the name of the Reference numeral in the accompanying drawing is called:
The 3-tailstock, the 4-ceramic contact pin, the 5-ceramic ring, 6-locatees contact pin, 7-swelled screw rod, 8-retainer spring, 9-Fibre cartridge for optical connector, the 10-micropore one that leads, 11-finedraw one, 12-fiber orientation face, 13-handle, the 14-micropore two that leads, 15-finedraw two.
Embodiment
Below in conjunction with embodiment the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
Shown in Fig. 1～7, overall, the utility model mainly comprises the two large divisions: optical fiber guide-localization locking gear and optical fiber locator are described in detail its composition structure and interconnected relationship separately respectively below.
Optical fiber guide-localization locking gear is made of tailstock 3, ceramic contact pin 4 and guide-localization parts.Wherein, tailstock 3 is the hollow cylinder that two bottom surfaces are opened wide fully, and the bottom surface direction of portion is provided with a block within it, whole tailstock is separated into two cavitys, be guide-localization chamber and ceramic contact pin lock chamber, at this moment, the cross section of whole tailstock 3 can vividly describe with " H ".But, be not to cut off fully between guide-localization chamber and the ceramic contact pin lock chamber, the block center offers a through hole that is used to pass optical fiber, and guide-localization chamber and ceramic contact pin lock chamber are communicated with.Ceramic contact pin 4 is the standard precision component of most critical in the communications connector, plays radially precision positioning effect of optical fiber, and the one end is fixed in ceramic contact pin lock chamber inside, and the other end extends to ceramic contact pin lock chamber outside; The guide-localization parts are fixed on inside, guide-localization chamber.The bottom in described guide-localization chamber is the plane, and this plane is perpendicular to the center line in guide-localization chamber.
Described guide-localization parts comprise swelled screw rod 7, retainer spring 8 and Fibre cartridge for optical connector 9.For the ease of using, this swelled screw rod 7 is the externally threaded right cylinder of an end band, and this has an externally threaded end and is threaded with the inwall of tailstock 3, is provided with the guiding micropore 1 that runs through whole swelled screw rod 7 in the inside of swelled screw rod 7.Simultaneously, also be provided with two equally distributed finedraws 1 on these swelled screw rod 7 threaded end end faces, these two finedraws 1 all are connected with guiding micropore 1.Also be provided with an internal taper hole that is connected with guiding micropore 1 at these swelled screw rod 7 threaded ends.
Fibre cartridge for optical connector 9 integral body are an outer wimble structure, and portion also is provided with a guiding micropore 2 14 that runs through whole Fibre cartridge for optical connector 9 within it.Because this Fibre cartridge for optical connector 9 is outer wimble structure, point diameter is bigger, and the rear end diameter is less.In order to ensure the good fiber clamping of these Fibre cartridge for optical connector 9 energy, therefore on the front end end face of this Fibre cartridge for optical connector 9, also be provided with the finedraw 2 15 that four roads evenly distribute and are connected with the guiding micropore 2 14 of its inside.For preventing material aging, avoid the influence of temperature on fiber chuck 9, Fibre cartridge for optical connector 9 adopts the manufacturing of rubber-like metal material.
During connection, this Fibre cartridge for optical connector 9 is positioned at the inside in this guide-localization chamber, and its front end is close to the bottom in this guide-localization chamber; Swelled screw rod 7 is with an externally threaded end to screw in tailstock 3 internal thread holes, and 8 of described retainer springs are installed between Fibre cartridge for optical connector 9 and the swelled screw rod 7, can hold this Fibre cartridge for optical connector 9 to guarantee this retainer spring 8.Retainer spring 8 is the cylindrical metal stage clip, and it makes Fibre cartridge for optical connector 9 axially not move in the fiber gripper process on the one hand, thereby guarantees that fiber axis is to accurate location; On the other hand, as fiber orientation occurs and clamp that bad (as fibercuts, optical fiber protrudes or depression, the fiber end face inequality), can be with the 7 inhour rotations of swelled screw rod, because of the effect of retainer spring 8, Fibre cartridge for optical connector 9 just can unclamp automatically, can extract optical fiber very easily out.
Optical fiber locator is by ceramic ring 5, and an end is fixed on the handle 13, and the other end stretches into the location contact pin 6 of ceramic ring 5 inside and forms.In order to ensure result of use, the fiber orientation face 12 of location contact pin 6 needs through precise polished processing, to guarantee the precision of fiber orientation.The center line of ceramic ring 5 need be perpendicular to fiber orientation face 12.
The internal diameter of this ceramic ring 5 will be complementary with the diameter of ceramic contact pin 4, guaranteeing that in use this ceramic contact pin 4 can be inserted into the inside of ceramic ring 5 smoothly, and has certain pulling capacity.The handle 13 that is connected with location contact pin 6 can provide great convenience for use.
For making things convenient for assembling of each parts, it is convenient to guarantee that optical fiber interts, avoid optical fiber to damage, the center line of the center line of the center line of the guiding micropore 1 of described swelled screw rod 7 inside, the guiding micropore 2 14 of Fibre cartridge for optical connector 9 inside, the center line of ceramic contact pin 4, location contact pin 6 all is on same the straight line.
As mentioned above, just can well realize the utility model.
Claims (10)
1. optical fiber quick connector, mainly constitute by optical fiber guide-localization locking gear and optical fiber locator, it is characterized in that, described optical fiber guide-localization locking gear comprises tailstock (3), tailstock (3) inside is provided with the Fibre cartridge for optical connector (9) that is used for grip optical fiber and is made by metal material, and the ceramic contact pin (4) that is communicated with Fibre cartridge for optical connector (9), described optical fiber locator (2) is connected with ceramic contact pin (4) by the optical fiber incoming end that is arranged at its termination.
2. a kind of optical fiber quick connector according to claim 1, it is characterized in that, the two ends of described tailstock (3) are provided with guide-localization chamber and the ceramic contact pin lock chamber that is interconnected, Fibre cartridge for optical connector (9) is arranged in the guide-localization chamber, its front end is communicated with the ceramic contact pin (4) that an end is positioned at the ceramic contact pin lock chamber, the rear end is provided with an end and places swelled screw rod (7) in the guide-localization chamber, swelled screw rod (7) inside is provided with guiding micropore one (10), is provided with retainer spring (8) between described Fibre cartridge for optical connector (9) and swelled screw rod (7).
3. a kind of optical fiber quick connector according to claim 2 is characterized in that, the cross sectional shape of described tailstock (3) is " H " shape.
4. a kind of optical fiber quick connector according to claim 3 is characterized in that, the thread end end face of described swelled screw rod (7) is provided with two finedraws one (11) that are communicated with guiding micropore one (10).
5. according to claim 1 or 2 or 3 or 4 described a kind of optical fiber quick connectors, it is characterized in that, the global shape of described Fibre cartridge for optical connector (9) is outer wimble structure, its inside is provided with guiding micropore two (14), and also is provided with the finedraw two (15) that four roads are connected with this guiding micropore two (14) on the bigger end end face of its diameter.
6. a kind of optical fiber quick connector according to claim 5 is characterized in that, the optical fiber incoming end of described optical fiber locator is ceramic ring (5).
7. a kind of optical fiber quick connector according to claim 6, it is characterized in that, described optical fiber locator also is provided with location contact pin (6), location contact pin (6) one ends are positioned at ceramic ring (5) inside, the other end is positioned at its outside, and is positioned at the outside location contact pin (6) of ceramic ring (5) and is provided with handle (13).
8. a kind of optical fiber quick connector according to claim 7, it is characterized in that, the diameter of the internal diameter of described ceramic ring (5) and ceramic contact pin (4) is complementary, and this ceramic contact pin (4) is positioned at the outside end of tailstock (3), and to be inserted into ceramic ring (5) inner and contact fully with the end face of location contact pin (6).
9. a kind of optical fiber quick connector according to claim 8 is characterized in that, the end face of described location contact pin (6) is the fiber orientation face (12) after precise polished.
10. a kind of optical fiber quick connector according to claim 9, it is characterized in that the center line of the center line of described guiding micropore one (10), guiding micropore two (14), the center line of ceramic contact pin (4) and the center line of location contact pin (6) all are located on the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202888819U CN201732188U (en) | 2010-08-12 | 2010-08-12 | Quick optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202888819U CN201732188U (en) | 2010-08-12 | 2010-08-12 | Quick optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201732188U true CN201732188U (en) | 2011-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202888819U Expired - Fee Related CN201732188U (en) | 2010-08-12 | 2010-08-12 | Quick optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201732188U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103718075A (en) * | 2011-07-29 | 2014-04-09 | 康宁光缆***有限责任公司 | Fiber optic cable assemblies having a connector with a stable fiber length therein |
| CN105259616A (en) * | 2015-11-10 | 2016-01-20 | 杨晓军 | An optical fiber connector chip based on material natural rebound characteristics |
-
2010
- 2010-08-12 CN CN2010202888819U patent/CN201732188U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103718075A (en) * | 2011-07-29 | 2014-04-09 | 康宁光缆***有限责任公司 | Fiber optic cable assemblies having a connector with a stable fiber length therein |
| CN105259616A (en) * | 2015-11-10 | 2016-01-20 | 杨晓军 | An optical fiber connector chip based on material natural rebound characteristics |
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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: 20110202 Termination date: 20140812 |
|
| EXPY | Termination of patent right or utility model |