WO2013104136A1 - 一种光纤连接器及其装配方法 - Google Patents
一种光纤连接器及其装配方法 Download PDFInfo
- Publication number
- WO2013104136A1 WO2013104136A1 PCT/CN2012/071272 CN2012071272W WO2013104136A1 WO 2013104136 A1 WO2013104136 A1 WO 2013104136A1 CN 2012071272 W CN2012071272 W CN 2012071272W WO 2013104136 A1 WO2013104136 A1 WO 2013104136A1
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- WO
- WIPO (PCT)
- Prior art keywords
- connector
- optical fiber
- ceramic ferrule
- tail
- housing
- Prior art date
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
- G02B6/3888—Protection from over-extension or over-compression
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
- G02B6/3831—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape comprising a keying element on the plug or adapter, e.g. to forbid wrong connection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3854—Ferrules characterised by materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3855—Details of mounting fibres in ferrules; Assembly methods; Manufacture characterised by the method of anchoring or fixing the fibre within the ferrule
- G02B6/3861—Adhesive bonding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
- G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
- G02B6/38875—Protection from bending or twisting
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
- G02B6/3889—Anchoring optical cables to connector housings, e.g. strain relief features using encapsulation for protection, e.g. adhesive, molding or casting resin
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/389—Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
- G02B6/3893—Push-pull type, e.g. snap-in, push-on
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49815—Disassembling
Definitions
- the present invention relates to an optical fiber connecting device, and more particularly to a fiber optic connector having a higher mounting density and a method of assembling the same. Background technique
- Optical fiber communication has become one of the main pillars of modern communication. It plays a pivotal role in modern telecommunication networks.
- the development of network technology makes optical fiber a transmission medium for high-speed and broadband data communication.
- a fiber optic connector is a detachable (active) connection between an optical fiber and an optical fiber that precisely interfaces the two end faces of the optical fiber such that the optical energy output from the transmitting optical fiber is maximally coupled to the receiving optical fiber. And minimize the impact on the system due to its involvement in the optical link.
- the commonly used fiber optic connectors can be divided into various forms according to the structure of the connector: FC, SC, ST, LC, D4, DIN, MU, MT, and the like.
- the FC type fiber optic connector was first developed by NTT Japan.
- the external reinforcement method is a metal sleeve and the fastening method is a turnbuckle.
- the SC type fiber optic connector has a rectangular outer casing, and the pin and the coupling sleeve have the same structural dimensions as the FC type, and the fastening method is a plug-and-pin type.
- the difference between the ST connector and the SC type fiber connector is that the core of the ST connector is exposed, and the core of the SC connector is inside the connector.
- the LC connector was developed by the famous Bell Institute and is made with an easy-to-use modular jack (RJ) latch mechanism.
- the size of the pins and sleeves used is half that of ordinary SC, FC, etc., which is 1.25mm, and the corresponding interface end face size is 4.5 ⁇ 4. 5 ⁇ , which can improve the fiber connection in the fiber distribution frame.
- the density of the device At present, in the single-mode SFF, LC type connectors have actually occupied a dominant position, and the application in multi-mode is also growing. Quickly.
- the MU (Miniature Unit Coupling) connector is the world's smallest single-core fiber optic connector developed by NTT based on the most widely used SC-type connector.
- the connector uses a 1.25mm diameter aluminum tube and self-retaining mechanism, which has the advantage of high-density mounting, but its interface end face size is still 6.5mm x 4. 4mm.
- the optical fiber network is rapidly developing in the direction of greater bandwidth and capacity, and the number of optical fiber handovers in the optical access network is increasing.
- the demand for the transfer capacity of the device is also increasing.
- the installation density of the fiber connector is required to be higher and higher, and the corresponding volume is getting smaller and smaller.
- the lateral dimension of the end face of the fiber connector interface is required to be as small as possible to achieve
- the installation density of the optical fiber connector is increased, but the structure and assembly process of the above existing optical fiber connector are not suitable for such a demand.
- the object of the present invention is to provide a fiber optic connector and a method for assembling the same, which is different from the existing fiber optic connector structure, and can substantially reduce the lateral dimension of the end face of the fiber connector interface and improve the optical fiber under the premise of satisfying the structural strength.
- the mounting density of the connector is to provide a fiber optic connector and a method for assembling the same, which is different from the existing fiber optic connector structure, and can substantially reduce the lateral dimension of the end face of the fiber connector interface and improve the optical fiber under the premise of satisfying the structural strength.
- An optical fiber connector for mating with a fiber optic adapter comprising a connector housing, a ceramic ferrule 2, a spring 4 and a tail sleeve 8, the connector housing having a lateral width of 2.5 mm to 4.5 mm, by the front housing 1 and the rear case 5 are inserted and fastened, and a cavity is formed, and a tail sleeve 8 is connected to the tail of the connector housing, and the outer front end of the connector housing is sequentially provided with the anti-reverse insertion guide protrusion 101.
- a combination elastic arm wherein the combined elastic arm is provided with a retaining projection 104; the rear end of the ceramic ferrule 2 is fixed with a ceramic ferrule tailstock 3, and the ceramic ferrule 2 has a through hole at the front end of the connector housing Passed through 106, the spring 4 is compressed between the thrust block 501 formed by the inner wall of the connector housing and the ceramic ferrule tailstock 3.
- the bottom of the connector housing is provided with an insertion block 105, which can be inserted into a corresponding groove on the fiber adapter to prevent the fiber connector from shaking in the vertical direction.
- the insertion portion of the rear housing 5 has an inverted U-shaped cross section, and the outer side of the inverted U-shaped structure is provided with a front housing inverted 502, corresponding to the side wall of the front housing 1
- the front casing inverted 502 is engaged with the buckle 107.
- the combined elastic arm includes two elastic cantilevers disposed oppositely, wherein the end of the elastic cantilever 102 is provided with a beveled relief 104, and the side of the elastic cantilever is provided with a clamp 504, which can pass The clip 14 unites the plurality of elastic cantilevers two 103.
- the bottoms of the front case 1 and the rear case 5 are provided with interfitting positioning blocks 108 and positioning grooves 503.
- the front end of the connector housing is provided with a sheath 110 corresponding to the protruding portion of the ceramic ferrule 2, and the inner surface of the enclosure 110 is curved.
- the front end of the cavity is short and the rear portion is high, and the front end of the cavity is circumferentially constrained to the spring 4, and the rear portion of the cavity can accommodate the bending deformation of the optical fiber when the ceramic ferrule 2 is retracted.
- the tail portion of the rear casing 5 is fixed with a tail pipe 6 that is open to the cavity, the tail pipe 6 has a circumferential groove 601, and the tail pipe 6 is provided with a squeezable metal pipe. 7.
- the tail sleeve 8 is fixedly coupled to the connector housing through the tail pipe 6 and the rotation preventing blade 12.
- the connector housing has a lateral width of 2.5 mm to 4.5 mm.
- the connector housing is provided with a through hole 109, and the through hole 109 can be embedded with a rod-shaped connecting member that integrates the plurality of the optical fiber connectors.
- the connector housing is provided with a through slot 505, and the through slot 505 can be embedded with a sheet-like connector that integrally connects the optical fiber connectors.
- the rod-shaped connecting member is a connecting post 15 , and the connecting post 15 and the through hole 109 pass through Fit.
- the sheet-like connector is a combined rotation-rotating insert 16, and the combined rotation-rotating insert 16 simultaneously connects a plurality of connector housings and a tail sleeve 8.
- the sheet-like connecting member is a combined connecting plate 17, and the combined connecting plate 17 is simultaneously connected to a plurality of connector housings.
- a method for assembling a single fiber optical fiber connector which comprises the following steps:
- the optical fiber core 9 is cleaned to remove the coating layer, and then inserted through the ceramic ferrule tailstock 3 Provided into the core hole of the ceramic ferrule 2;
- the fixing glue pre-dropped into the ceramic ferrule tailstock 3 is heated and solidified, and the optical fiber is fixedly connected with the ceramic ferrule tailstock 3;
- the ceramic ferrule 2 and the ceramic ferrule tailstock 3 are placed into the front casing 1 , and the ceramic ferrule 2 is inserted out from the front end through hole 106 of the front casing 1 and then placed into the spring 4,
- the rear housing 5 is inserted into the front housing 1 to form a snap fit;
- step 7 when step 7 is performed, the fiber sheath (11) and the tail sleeve (8) are bonded and fixed together by glue. Further, correspondingly, before entering the metal tube 7 in step 3, the heat shrinkable sleeve is inserted, and after the step 6 is completed, the heat shrinkable sleeve is sleeved on the outside of the metal tube 7 and the optical fiber sheath 11, and then The heat shrinkable sleeve is heat-shrinked to further increase the connection strength of the fiber.
- a method of assembling a multi-core fiber optic connector including the following steps:
- the clamp 14 is snapped into the outer single-core fiber optic connector and the plurality of elastic cantilever two 103 are integrated.
- the optical fiber connector of the invention greatly reduces the overall size of the optical fiber connector under the premise of satisfying the structural strength and the function of use, and the lateral dimension of the interface end face can reach 2.5 mm to 4.5 mm, which can greatly improve the optical fiber.
- the mounting density of the connector is not limited to 1.
- FIG. 1 is a schematic view showing the assembly structure of a single-core optical fiber connector according to an embodiment of the present invention
- Figure 2 is an exploded view of the Figure 1;
- FIG. 3 is an exploded view showing the composition of a single-core optical fiber connector according to an embodiment of the present invention.
- FIG. 4 is a schematic structural view of a rear housing of a single-core optical fiber connector according to an embodiment of the present invention
- FIG. 5 is a schematic view showing an assembled structure of a rear housing and a tail sleeve of a single-core optical fiber connector according to an embodiment of the present invention
- FIG. 6 is a schematic structural view of a rotation-rotating insert according to an embodiment of the present invention.
- Figure ⁇ is a schematic structural view of a front housing of the optical fiber connector according to the embodiment of the present invention.
- Figure 8 is a cross-sectional view showing the structure of a front housing of the optical fiber connector according to the embodiment of the present invention
- 9 is a schematic structural view of a dual optical fiber connector according to an embodiment of the present invention
- FIG. 10 is an exploded view showing the composition of a dual optical fiber connector according to an embodiment of the present invention.
- Figure 11 is a schematic structural view of a clamp according to an embodiment of the present invention.
- FIG. 12 is a schematic structural view of a tail channel of a fiber connector according to an embodiment of the present invention.
- FIG. 13 is a schematic structural view of a combined connecting plate according to an embodiment of the present invention.
- the connector includes a connector housing that is inserted into the front housing 1 and the rear housing 5
- the insertion portion of the rear housing 5 has an inverted U-shaped cross section, and the outer side surfaces of the inverted U-shaped structure are respectively provided with a front housing inverted buckle 502 corresponding to the two side walls of the front housing 1
- the front casing inverted buckle 502 can be ejected from the buckle position 107 to form a buckle.
- the inverted U-shaped structure causes the front wall of the two side walls to be buckled.
- the front shell 502 can be inwardly retracted when inserted, and the front shell is inverted 502 When the buckle 107 is reached, the elastic opening is formed to form a buckle, and the front end of the front housing 1 has a through hole 106.
- the front housing 1 and the rear housing 2 are fastened to form a cavity therein, and the front end of the cavity is short and the rear portion is high.
- the front end of the cavity is used for loading the ceramic ferrule 2, the ceramic ferrule tailstock 3 and the spring 4, forming a circumferential constraint on the spring 4, and the end of the ceramic ferrule 2 is fixed to the ceramic ferrule tailstock 3, the ceramic
- the ferrule 2 is passed through the front end through hole 106 of the connector housing, and the spring 4 is compressed between the front end surface of the inverted U-shaped structure of the rear housing 5 and the ceramic ferrule tailstock 3, and the front end surface of the inverted U-shaped structure serves as a thrust Block 501, ceramic ferrule 2 together with ceramic ferrule tailstock 3 as a moving end, when the adapter is inserted into the fiber optic connector before and after, the ceramic ferrule 2 is docked with each other in the adapter, and the ceramic ferrule 2 is correspondingly contacted by the spring 4.
- the rear of the cavity is high, which is used to accommodate the bending deformation of the fiber in the cavity when the ceramic ferrule 2 is retracted, which can effectively prevent the connector from being inserted into the adapter.
- the ceramic ferrule 2 retreats, the amount of fiber bending exceeds the cavity. Broken or damaged by ability.
- the bottom of the connector housing is provided with an inserting block 105, which can be inserted into a corresponding recess on the optical fiber adapter to prevent the optical fiber connector from swaying in the vertical direction.
- the bottom portions of the front housing 1 and the rear housing 5 are respectively provided with an engaging positioning block 108 and a positioning slot 503.
- the cassette structure can be formed after the insertion is completed, and the connection strength of the front case 1 and the rear case 2 is increased.
- the front end of the connector housing is provided with a sheath 110 corresponding to the protruding portion of the ceramic ferrule 2, and the inner surface of the enclosure 110 is curved.
- the sides of the guard 110 have a relatively large thickness to ensure sufficient joint strength between the enclosure 110 and the front casing 1.
- the outer front end of the casing is provided with a guiding protrusion 101 and a combined elastic arm in sequence, and the guiding protrusion 101 is used for guiding when the connector is inserted into the adapter module, and also plays an anti-reverse insertion function to ensure the optical fiber.
- the assembled elastic arm includes two elastic cantilevers disposed oppositely, wherein the fixed end of the elastic cantilever 102 is located on the front casing 1 , and the end of the elastic cantilever 102 has a receding projection 104 with a beveled surface Block 104 can be inserted into the adapter module design location when the fiber optic connector is inserted Under the action of the elastic cantilever 102, the corresponding groove on the adapter is ejected to form a lock; when exiting, the lower elastic cantilever 102 is pressed correspondingly, and the retaining projection 104 is withdrawn from the groove on the adapter, by means of the inclined structure,
- the elastic cantilever arm 102 is automatically ejected from the adapter slot by the elastic force of the elastic cantilever 102; the fixed end of the elastic cantilever two 103 is located on the rear casing 5, and the end of the elastic cantilever arm 103 is placed on the end of the elastic cantilever 102, by pressing The elastic cantilever two 103 can form
- the optical fiber connector can be used to integrate the elastic cantilever two 103 by a clamp 14, and the clamp 14 is preferably stamped from a resilient metal sheet, the clamp 14 includes a substrate 141 made of an elastic material, and the substrate 141.
- the two ears 142 are bent at both ends, and the ear piece 142 is provided with a buckle 143 matched with the clamp buckle 504, and the clamp reverse buckle 504 is fastened in the buckle 143, which can realize two or more Fiber connection
- the arm of the device moves at the same time, which is convenient for operation.
- a tail pipe 6 is formed in the tail portion of the rear casing 5 and is connected to the cavity.
- the tail pipe 6 is usually made of a metal material, and is injection molded with the rear casing 5, and the tail pipe 6 has a circumferential concave shape.
- the groove 601 and the tail pipe 6 are provided with a squeezable and deformable metal pipe 7. When assembled, the spun layer 13 of the optical fiber can be sleeved between the tail pipe 6 and the metal pipe 7, and the metal pipe 7 is pressed by means of a tool. The deformation is produced at the circumferential groove 601 to form a fixed connection between the optical fiber and the connector.
- a tail sleeve 8 is disposed at the tail of the connector housing, which is fixedly connected to the connector housing through the tail tube 6 and the rotation-rotating insert 12, and the end-rotating insert 12-end is embedded in the connector.
- the housing is inserted into the corresponding hole of the tail sleeve 8 at one end to prevent the tail sleeve 8 from rotating around the tail tube 6, and the connection strength between the tail sleeve 8 and the connector housing can be enhanced.
- the connector housing is provided with a through hole 106 or a through groove 505 or a combination of the two, through the rod-shaped connector or the sheet-like connector A plurality of the fiber optic connectors are integrated.
- the double fiber connector is preferred.
- the two optical fiber connectors are fixed by using a combination of the connecting post 15 and the combined rotation preventing insert 16 , and the connecting post 15 has an interference fit with the through hole 109 at the front end of the connector housing;
- the length is equal to or slightly smaller than the sum of the thicknesses of the two fiber connector housings.
- the connecting post 15 When assembled, the connecting post 15 can be tapped into the through hole 109 by means of a tool, preferably made of a metal material, such as an aluminum alloy or steel. Etc., to ensure that the connecting column 15 has a good connection strength.
- a tool preferably made of a metal material, such as an aluminum alloy or steel. Etc., to ensure that the connecting column 15 has a good connection strength.
- the cross section of the connecting post 15 is not limited to a circular shape, and it may also be a rod-shaped connecting member having a rectangular or polygonal cross section, and the cross section of the through hole 109 is correspondingly rectangular or polygonal.
- a plurality of rod-shaped connectors may also be provided to achieve a higher connection strength, for example, two or more, and a plurality of corresponding through holes 109 in each of the corresponding fiber connector housings.
- a through slot 505 is defined in the tail end of the fiber connector housing, and the combined rotation insert 16 as a sheet-like connector is inserted into the slot 505 to connect the two fiber connectors together.
- the two tail sleeves 8 are connected, and the combined rotation preventing inserts 16 are interference-fitted with the through grooves 505, and the lateral width of the combined rotation preventing inserts 16 is equal to or slightly smaller than the sum of the thicknesses of the two optical fiber connectors.
- a positioning block 506 is disposed in the through groove 505, and the combined rotation preventing insert 16 is correspondingly provided with a notch 161 matched with the positioning block 506.
- the positioning block 506 is caught in the notch 161, and the combined rotation preventing tab 16 can be effectively prevented from being released from the through groove 505. Further, it is also possible to provide a retaining projection 162 on the inner side of the notch 161 of the combined rotation preventing insert 16, and the retaining projection 1624 is hung on both sides of the positioning block 506, which can further prevent the combined rotation during use. The tab 16 is released from the through slot 505.
- Fig. 13 provides a combination connecting plate 17 which can replace the above-described combined rotation preventing insert 16, which is not connected to the tail sleeve 8, and functions as a connecting piece only for the connection housing.
- the multi-fiber connector may be formed by using a rod-shaped connecting member in combination with a through hole or a sheet-like connecting member and a through-groove.
- the number of the optical fiber connectors is not limited to two, and may be A plurality, preferably an even number.
- the assembly method of the corresponding single-core connector includes the following steps:
- the optical fiber core 9 is cleaned to remove the coating layer, and then inserted through the ceramic ferrule tailstock 3 Provided into the core hole of the ceramic ferrule 2;
- the fixing glue pre-dropped into the ceramic ferrule tailstock 3 is heated and solidified, and the optical fiber is fixedly connected with the ceramic ferrule tailstock 3;
- the ceramic ferrule 2 and the ceramic ferrule tailstock 3 are placed into the front casing 1 , and the ceramic ferrule 2 is inserted out from the front end through hole 106 of the front casing 1 and then placed into the spring 4,
- the rear housing 5 is inserted into the front housing 1 to form a snap fit;
- the connecting plate 12 is placed on the rear casing 5, and the tail sleeve 8 is inserted into the connecting plate 12 and the metal pipe 7 to complete the assembly of the connector.
- the fiber sheath 11 and the tail sleeve 8 are bonded and fixed together by glue.
- a heat shrinkable sleeve can be added on the outer side of the metal pipe 7 and the outer casing 11 to be reinforced and fixed, and the corresponding assembly is worn in step 3. Passing through the heat shrinkable sleeve before entering the metal pipe 7, and after the completion of step 6, the heat shrinkable sleeve is placed on the gold The heat shrinkable sleeve is heat-shrinked and fixed to the outside of the tube 7 and the optical fiber sheath 11.
- the corresponding steps include the following steps:
- the clamp 14 is snapped into the outer single-core fiber optic connector and the plurality of elastic cantilever two 103 are integrated.
- the single-core connector housing can have a lateral width of 2.5 mm to 4.5 mm, and has a smaller width than the existing connector, which can greatly improve the optical fiber connector. Installation density.
- the scope of the invention is to be construed as being limited to the scope of the invention as claimed in the appended claims.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014516169A JP5899313B2 (ja) | 2012-01-11 | 2012-02-17 | 光ファイバコネクタ及びその組立法 |
US14/119,595 US9170379B2 (en) | 2012-01-11 | 2012-02-17 | Optical fiber connector and assembly method therefor |
EP12865259.1A EP2703859A4 (en) | 2012-01-11 | 2012-02-17 | OPTICAL FIBER CONNECTOR AND ASSEMBLY METHOD THEREOF |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210008583.3 | 2012-01-11 | ||
CN201210008583.3A CN102520489B (zh) | 2012-01-11 | 2012-01-11 | 一种光纤连接器及其装配方法 |
Publications (1)
Publication Number | Publication Date |
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WO2013104136A1 true WO2013104136A1 (zh) | 2013-07-18 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2012/071272 WO2013104136A1 (zh) | 2012-01-11 | 2012-02-17 | 一种光纤连接器及其装配方法 |
Country Status (5)
Country | Link |
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US (1) | US9170379B2 (zh) |
EP (1) | EP2703859A4 (zh) |
JP (1) | JP5899313B2 (zh) |
CN (1) | CN102520489B (zh) |
WO (1) | WO2013104136A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110058363A (zh) * | 2019-05-23 | 2019-07-26 | 河北华美光电子有限公司 | 一种光模块 |
CN113960726A (zh) * | 2021-12-21 | 2022-01-21 | 南京瑞唐通信设备有限公司 | 一种lc型光纤连接器 |
Families Citing this family (13)
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Also Published As
Publication number | Publication date |
---|---|
EP2703859A1 (en) | 2014-03-05 |
CN102520489B (zh) | 2016-04-13 |
JP2014517358A (ja) | 2014-07-17 |
US20140105542A1 (en) | 2014-04-17 |
CN102520489A (zh) | 2012-06-27 |
JP5899313B2 (ja) | 2016-04-06 |
EP2703859A8 (en) | 2014-04-30 |
US9170379B2 (en) | 2015-10-27 |
EP2703859A4 (en) | 2015-09-16 |
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