WO2018103508A1 - Adaptateur de fibre optique possédant un composant de blindage - Google Patents

Adaptateur de fibre optique possédant un composant de blindage Download PDF

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Publication number
WO2018103508A1
WO2018103508A1 PCT/CN2017/110834 CN2017110834W WO2018103508A1 WO 2018103508 A1 WO2018103508 A1 WO 2018103508A1 CN 2017110834 W CN2017110834 W CN 2017110834W WO 2018103508 A1 WO2018103508 A1 WO 2018103508A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall
fiber optic
driving portion
opening
shielding
Prior art date
Application number
PCT/CN2017/110834
Other languages
English (en)
Chinese (zh)
Inventor
杨至诚
陈裕楷
Original Assignee
普泰光电股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 普泰光电股份有限公司 filed Critical 普泰光电股份有限公司
Publication of WO2018103508A1 publication Critical patent/WO2018103508A1/fr

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    • 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
    • G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
    • 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
    • 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
    • G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes

Definitions

  • the present invention relates to a fiber optic adapter, and more particularly to a fiber optic adapter having a shield.
  • the optical fiber Since the optical fiber has the advantages of high frequency width and low loss, it has been widely used as a signal transmission medium in recent years. In order for the signal to be transmitted to a greater distance, a high power laser diode is born, thus greatly increasing the energy coupled to the fiber.
  • the human eye when the above-mentioned high-intensity infrared beam is emitted from one end of the optical fiber, the human eye cannot judge the presence or absence of the light beam. If the operator's eyes are inadvertently exposed directly to the light beam, permanent visual damage is often caused.
  • a known optical fiber adapter 100 has a body 110.
  • the body 110 is provided with a chamber 120 surrounded by a plurality of side walls 160, which can respectively be connected to an optical fiber connector. 190 connections.
  • the side wall 160 is provided with a notch 130.
  • the notch 130 can be engaged with the protrusion 192 on the mating connector 190 to have a function of alignment.
  • the outer side of the two opposite side walls 160 is provided with a recess 140 on which a snap-up elastic piece (not shown) can be mounted to assist the positioning of the adapter 100 when assembled and used.
  • the fiber optic connector 190 When the fiber optic connector 190 is inserted into the chamber 120 of the adapter 100, the high power beam emerging from the end face of the ferrule 196 via the pigtail 194 of the connector 190 will pass through the chamber at the other end of the adapter 100. 120, if there is no obstruction, it may be directly exposed to the eyes, causing damage to vision. Generally, the chamber 120 to which the connector 190 is not inserted is plugged with the plug 180 to prevent dust contamination and shield the light beam, and when the connector 190 is to be inserted, the plug 180 is removed. However, the plug 180 described above is liable to be lost, and during the removal process, the human eye may also be exposed to the light beam conducted by the connector 190.
  • a fiber optic adapter 200 having a shielding and dustproof effect is provided.
  • a cover 250 is disposed at an open end of the chamber 120, and one side thereof is pivotally connected to the body 110, and the cover 250 is covered by the elastic force of the torsion spring 260.
  • the open end of the chamber 120 is sealed to prevent the light beam from being emitted. If the fiber optic connector 190 is to be inserted into the chamber 120, the cover 250 must be lifted before the connector 190 can be inserted.
  • the adapter 200 with the cover 250 described above requires the body 110 to be machined to pivot the cover 250 thereto. Therefore, the manufacture of the adapter 200 is complicated and the cost is relatively high.
  • a guard 300 for use in the optical fiber adapter 100 is provided with a cover 350 at the open end of the hollow cover 310.
  • One side of the cover 350 is pivotally connected to the cover 310, and the elastic force of the torsion spring 360 is utilized.
  • the cover 350 is shielded from the open end of the cover 310.
  • the hollow cover 310 can be sleeved on the body 110 of the adapter 100 to The gap 130 and the opening of the chamber 120 are covered to prevent the emission of the light beam and to avoid dust contamination.
  • the above-mentioned guard device 300 also has a complicated structure and a relatively high manufacturing cost.
  • the optical fiber adapter of the present invention comprises a body, a first shielding member, a second shielding member, an inner casing, a first elastic member and a second elastic member.
  • the body has a longitudinal chamber defined by the first wall, the second wall, the third wall and the fourth wall, wherein the first wall is opposite to the third wall and is connected to the second wall and the fourth wall.
  • the two longitudinal ends of the chamber have a first opening and a second opening, respectively, wherein the second opening is for insertion of the first fiber optic connector.
  • the first elastic member is elastic and integrally formed, and includes a first base portion, a first driving portion, and a first connecting portion.
  • the first base is disposed on a third wall of the body, the first entraining portion extending toward the first wall of the body.
  • the first connecting portion is connected to the first driving portion and the first base portion, wherein the first driving portion is movable relative to the first base portion by the first connecting portion.
  • the second elastic member is elastic and integrally formed, and includes a second base portion, a second driving portion, and a second connecting portion.
  • the second base is disposed on the first wall of the body, and the second entraining portion extends toward the third wall of the body.
  • the second connecting portion is connected to the second driving portion and the second base portion, wherein the second driving portion is movable relative to the second base portion by the second connecting portion.
  • the inner casing has a longitudinal chamber defined by the fifth wall, the sixth wall, the seventh wall and the eighth wall, wherein the fifth wall is opposite to the seventh wall and is connected to the sixth wall and the eighth wall.
  • the two longitudinal ends of the inner casing chamber have a third opening and a fourth opening, respectively, and the third opening is for insertion of the second fiber optic connector.
  • the first shielding member is attached to the first driving portion, and the first shielding member is movable with the first driving portion.
  • the second shielding member is attached to the second driving portion, and the second shielding member is movable with the second driving portion.
  • the first fiber optic connector is capable of pressing the first shielding member adjacent to the first driving portion to the third wall, and the first fiber optic connector is further capable of pressing the second shielding member and the second entraining portion proximate the first wall.
  • the first driving portion and the second driving portion can respectively remove the first shielding member and the second shielding member from the third wall and the first wall by elastic force.
  • Figure 1 is a perspective view of a known fiber optic adapter and fiber optic connector
  • FIG. 2 is a perspective view of a fiber optic adapter known to have a shielding and dustproof effect
  • Figure 3 is a perspective view of a guard known for use in a fiber optic adapter
  • 4a is a perspective view of a known male MPO type optical fiber connector
  • Figure 4b is a perspective view of a known female MPO type fiber optic connector
  • Figure 5 is an exploded perspective view of the optical fiber adapter of the present invention.
  • FIG. 6a to 6d are perspective views of the body of the optical fiber adapter of the present invention at different viewing angles;
  • Figure 6e is a cross-sectional view along line A-A of Figure 6a;
  • Figure 6f is a cross-sectional view along line B-B of Figure 6a;
  • Figure 6g is a front elevational view of the body of the fiber optic adapter of the present invention.
  • FIG. 7a to 7d are perspective views of the inner casing of the optical fiber adapter of the present invention at different viewing angles;
  • FIGS. 8a and 8b are perspective views of the first elastic member of the optical fiber adapter of the present invention at different viewing angles;
  • Figure 8c is a side view of the first elastic member of the optical fiber adapter of the present invention.
  • FIG. 9a to 9c are perspective views of the second elastic member of the optical fiber adapter of the present invention at different viewing angles;
  • Figure 9d is a side view of the second elastic member of the optical fiber adapter of the present invention.
  • FIGS. 10a and 10b are perspective views of the first shielding member of the optical fiber adapter of the present invention at different viewing angles;
  • FIG. 11a and 11b are perspective views of the second shielding member of the optical fiber adapter of the present invention at different viewing angles;
  • Figure 12 shows how to assemble the fiber optic adapter of the present invention
  • Figure 13 is a perspective view of the optical fiber adapter of the present invention.
  • Figure 14 is a cross-sectional view along line C-C of Figure 13;
  • Figure 15 shows the shielding principle of the first shielding member and the second shielding member of the optical fiber adapter of the present invention
  • FIGS 16 through 17 illustrate how the fiber optic adapter of the present invention can be used to interface two fiber optic connectors.
  • FIG. 4a and 4b there are shown a known male MPO type fiber optic connector 400a and a female MPO type fiber optic connector 400b, respectively.
  • the upper surface 410 of the front section of the optical fiber connectors 400a and 400b is formed with elongated protrusions 412, and the side surfaces of the front section are each formed with a recess 414.
  • a plurality of optical fibers 430 are exposed on the end faces 420 of the front ends of the optical fiber connectors 400a and 400b, wherein the end faces of the respective optical fibers 430 are flush with the end faces 420 of the optical fiber connectors 400a and 400b.
  • two guiding holes 450 are formed on the end surface 420 of the optical fiber connector 400b, and a pair of guiding pins 440 are protruded from the end surface 420 of the optical fiber connector 400a, and can be respectively inserted into the guiding holes 450.
  • the optical fiber adapter with the shielding member of the present invention for example, the MPO-type optical fiber adapter includes a body 500, an inner casing 600, a first elastic member 700, a second elastic member 800, a first shielding member 910, and The second shielding member 950.
  • the body 500 included in the optical fiber adapter of the present invention is formed by plastic molding in an injection molding manner, and is substantially in the shape of a hollow rectangular parallelepiped.
  • the body 500 has a top wall 511, a bottom wall 512, a right wall 513 and a left wall 514, wherein the top wall 511 is opposite to the bottom wall 512 and is connected to the right wall 513 and the left wall 514, the walls 511, 512, 513, 514 And collectively define a longitudinal chamber 515 having two opposing first openings 517 and second openings 518 in the longitudinal direction.
  • a square opening 521 is formed in the top wall 511 near the first opening 517, and a square opening 522 is formed in the bottom wall 512 near the first opening 517.
  • the openings 521, 522 are through holes.
  • Each of the right wall 513 and the left wall 514 is formed with a hook 542 that is oppositely disposed and extends toward the second opening 518.
  • the hooks 542 are integrally formed with the right wall 513 and the left wall 514, respectively.
  • at least one blocking block 550 is formed on the top wall 511 near the second opening 518, and the blocking block 550 includes a vertical portion 551 extending perpendicularly from the top wall 511, and facing from the vertical portion 551 toward the first portion.
  • the opening 517 is parallel to the horizontal portion 552 extending from the top wall 511, that is, the blocking block 550 has an L-shaped cross section, and therefore, the blocking block 550 is An accommodating space 553 is formed between the top wall 511, and the accommodating space 553 has an opening facing the first opening 517.
  • the end of the horizontal portion 552 is formed with an inclined contact surface 554 that faces the top wall 511 and the first opening 517.
  • the present invention can include two barrier blocks 550, one of which is adjacent the right wall 513 and the other adjacent the left wall 514, and the two barrier blocks 550 can extend toward each other and are joined together.
  • the connected vertical portion 551 is formed with a notch 558 having a width slightly larger than the width of the protrusion 412 on the fiber connectors 400a, 400b of Figures 4a, 4b to allow the protrusion 412 to pass.
  • at least one blocking block 560 is formed on the bottom wall 512 near the second opening 518.
  • the blocking block 560 includes a vertical portion 561 extending perpendicularly from the bottom wall 512, and from the vertical portion 561 toward the first opening 517.
  • the horizontal portion 562 extending parallel to the bottom wall 512, that is, the blocking block 560 has an L-shaped cross section. Therefore, the accommodating space 563 is formed between the blocking block 560 and the bottom wall 512, and the accommodating space is formed.
  • the 563 has an opening facing the first opening 517.
  • the end of the horizontal portion 562 is formed with an inclined contact surface 564 that faces the bottom wall 512 and the first opening 517.
  • the present invention can include two blocking blocks 560, one of which is adjacent to the right wall 513 and the other is adjacent to the left wall 514, and the vertical portions 561 of the two blocking blocks 560 can extend toward each other and are connected together.
  • protrusions 570 are formed on each of the right wall 513 and the left wall 514, and a contact surface 572 is formed on each of the protrusions 570, and the contact surface 572 faces the first opening 517.
  • the inner casing 600 included in the optical fiber adapter of the present invention is formed by plastic molding in an injection molding manner, and has a substantially hollow square shape.
  • the inner casing 600 has a top wall 611, a bottom wall 612, a right wall 613 and a left wall 614, wherein the top wall 611 is opposite to the bottom wall 612 and is connected to the right wall 613 and the left wall 614, the walls 611, 612, 613, 614 and collectively define a longitudinal chamber 615 having two opposing third openings 617 and fourth openings 618 in the longitudinal direction.
  • Each of the right wall 613 and the left wall 614 is formed with a hook 642 that is oppositely disposed and extends toward the third opening 617.
  • a rectangular notch 651 is formed on the top wall 611, and a longitudinally engaging elastic cantilever 621 extends from the top wall 611 in the notch 651 toward the third opening 617.
  • a rectangular indentation 652 is formed in the bottom wall 612, and a longitudinally extending resilient cantilever 622 extends from the bottom wall 612 in the notch 652 toward the third opening 617.
  • Engaging projections 631, 632 are formed on the outer side surfaces of the engaging cantilevers 621, 622, respectively.
  • a longitudinal recess 641 is formed in the top wall 611 in the chamber 615, wherein the width of the recess 641 is slightly larger than the width of the projection 412 on the fiber optic connectors 400a, 400b of Figures 4a, 4b for receiving the fiber optic connector Protrusions 412 on 400a, 400b.
  • the bottom of the recess 641 is the inner side surface of the engaging cantilever 621.
  • the first elastic member 700 included in the optical fiber adapter of the present invention has elasticity and is bent from a metal sheet.
  • the first elastic member 700 includes a driving portion 710 , a connecting portion 720 , a base portion 730 , and two flaps 740 .
  • the connecting portion 720 has a substantially L-shaped cross section, one end of which is connected to the base portion 730 and the other end of which is connected to the driving portion 710.
  • the driving portion 710 has a curved shape and has a front surface 711 and a back surface 712, and the driving portion 710 extends from the connecting portion 720.
  • a concave surface 713 is formed on the front surface 711 of the driving portion 710.
  • the driving portion 710 is movable relative to the base portion 730.
  • the back surface 712 thereof is close to the base portion 730; and when the thrust is lost, the driving portion 710 is returned to the original position due to the elastic force of the connecting portion 720 and itself.
  • the base portion 730 is substantially rectangular, wherein the connecting portion 720 extends from the front side of the base portion 730, and the two flaps 740 extend perpendicularly from the left and right sides of the base portion 730, respectively.
  • the second elastic member 800 included in the optical fiber adapter of the present invention has elasticity and is bent from a metal piece.
  • the second elastic member 800 includes a driving portion 810 , a connecting portion 820 , a base portion 830 , and two flaps 840 .
  • the connecting portion 820 has a substantially L-shaped cross section, one end of which is connected to the base portion 830 and the other end of which is connected to the driving portion 810.
  • the driving portion 810 has a curved shape and has a front surface 811 and a rear surface 812 extending from the connecting portion 820.
  • a concave surface 813 is formed on the front surface 811 of the driving portion 810.
  • the driving portion 810 is movable relative to the base portion 830.
  • the base portion 830 is substantially rectangular, wherein the connecting portion 820 extends from the front side of the base portion 830, and the two flaps 840 extend perpendicularly from the left and right sides of the base portion 830, respectively.
  • the first shielding member 910 included in the optical fiber adapter of the present invention is formed by plastic molding in an injection molding manner.
  • the shield 910 has a generally rectangular shield panel 920 having a front surface 921 and a back surface 922.
  • a rotating shaft 930 is formed on the front side of the shielding plate 920, and an extending portion 940 is extended on the rear side of the shielding plate 920, and the extending portion 940 extends at an angle greater than 90 degrees and less than 180 degrees.
  • a slope 943 is formed on the rear side of the extension portion 940.
  • the shielding plate 920 is formed with a lateral through groove 925, and the lateral length of the through groove 925 is slightly larger than the width of the driving portion 710 of the first elastic member 700.
  • a lateral wedge-shaped abutment protrusion 928 is formed on the front surface 921 of the shielding plate 920, and the abutting protrusion 928 is located between the through groove 925 and the extending portion 940.
  • a concave portion 926 is formed on the back surface 922 of the shielding plate 920, and the concave portion 926 extends continuously from the through groove 925 to the inclined surface 943 of the extending portion 940.
  • the width of the recess 926 is slightly larger than the width of the driving portion 710 of the first elastic member 700, and the curved curvature of the bottom surface of the recess 926 matches the bending curvature of the driving portion 710.
  • the second shielding member 950 included in the optical fiber adapter of the present invention is formed by plastic molding in an injection molding manner.
  • the shield 950 has a generally rectangular shield panel 960 having a front side 961 and a back side 962.
  • a rotating shaft 970 is formed on the front side of the shielding plate 960, and an extending portion 980 is extended on the rear side of the shielding plate 960, and the extending portion 980 extends at an angle greater than 90 degrees and less than 180 degrees.
  • a slope 983 is formed on the rear side of the extension portion 980.
  • the extension 980 has a notch 980a that divides the extension 980 into two portions, left and right.
  • the width of the notch 980a is slightly larger than the fiber optic connector 400a of Figures 4a, 4b, The width of the protrusion 412 on the 400b is such that the protrusion 412 can pass.
  • a lateral through groove 965 is formed in the shielding plate 960, and the lateral length of the through groove 965 is slightly larger than the width of the driving portion 810 of the second elastic member 800.
  • a lateral wedge-shaped abutment protrusion 968 is formed on the front surface 961 of the shielding plate 960, and the abutting protrusion 968 is located between the through groove 965 and the extending portion 980.
  • the abutment protrusion 968 has a notch 968a that divides the abutment protrusion 968 into two portions, left and right.
  • the width of the notch 968a is slightly larger than the width of the protrusion 412 on the fiber optic connectors 400a, 400b of Figures 4a, 4b to allow the protrusion 412 to pass.
  • a concave portion 966 is formed on the back surface 962 of the shielding plate 960, and the concave portion 966 extends continuously from the through groove 965 to the notch 968a.
  • the width of the recess 966 is slightly larger than the width of the driving portion 810 of the second elastic member 800, and the curved curvature of the bottom surface of the recess 966 matches the curvature of the driving portion 810.
  • the first shielding member 910 and the second shielding member 950 are first combined with the first elastic member 700 and the second elastic member 800, respectively.
  • the method of combining the first shielding member 910 and the first elastic member 700 is such that the back surface 922 of the shielding plate 920 of the first shielding member 910 faces the base portion 730 of the first elastic member 700, and the rotating shaft 930 of the first shielding member 910 is moved.
  • the bend of the connecting portion 720 of the first elastic member 700 is near.
  • the driving portion 710 of the first elastic member 700 is passed through the through slot 925, and the front surface 711 of the driving portion 710 is attached to the bottom surface of the recess 926 of the shielding plate 920.
  • the method of combining the second shielding member 950 and the second elastic member 800 is such that the back surface 962 of the shielding plate 960 of the second shielding member 950 faces the base portion 830 of the second elastic member 800, and the rotating shaft 970 of the second shielding member 950 is moved.
  • the bend of the connecting portion 820 of the second elastic member 800 is near.
  • the driving portion 810 of the second elastic member 800 is passed through the through groove 965, and the front surface 811 of the driving portion 810 is attached to the bottom surface of the concave portion 966 of the shielding plate 960. At this time, the end of the driving portion 810 protrudes from the notch 980a beyond the extension portion 980.
  • the first shield 910 incorporating the first elastic member 700 is then placed into the body 500 from the first opening 517.
  • the first shielding member 910 is placed in such a manner that the connecting portion 720 of the first elastic member 700 faces forward and faces the blocking block 560 to push the connecting portion 720 into the accommodating space 563.
  • the base 730 of the first elastic member 700 is attached to the bottom wall 512 of the body 500, and the back surface 712 of the driving portion 710 faces the first opening 517.
  • the front surface 921 of the shield plate 920 will face the second opening 518 of the body 500, and the slope 943 of the extension portion 940 will face the top wall 511.
  • the two flaps 740 of the first elastic member 700 are respectively pressed against the right wall 513 and the left wall 514 of the body.
  • the second shielding member 950 incorporating the second elastic member 800 is then placed into the body 500 from the first opening 517.
  • the second shielding member 950 is placed in such a manner that the connecting portion 820 of the second elastic member 800 faces forward and faces the blocking block 550 to push the connecting portion 820 into the accommodating space 553.
  • the base 830 of the second elastic member 800 is attached to the top wall 511 of the body 500, and the back surface 812 of the driving portion 810 faces the first opening 517.
  • the front surface 961 of the shielding plate 960 will face the second opening 518 of the body 500, and the inclined surface 983 of the extending portion 980 will face the extension of the first shielding member 910.
  • the slope 943 of the 940, and the end of the front surface 811 of the driving portion 810 is pressed against the extension 940 of the first shield 910.
  • the two flaps 840 of the second elastic member 800 are respectively pressed against the right wall 513 and the left wall 514 of the body.
  • the inner casing 600 is placed into the body 500 from the first opening 517.
  • the inner casing 600 is placed in such a manner that its hook 642 faces away from the second opening 518 of the body 500 and is inserted into the body 500 from the first opening 517.
  • the inner casing 600 and the body 500 may be assembled in such a manner that the top wall 611 and the bottom wall 612 of the inner casing 600 directly face the top wall 511 and the bottom wall 512 of the body 500, respectively, or directly face the body 500, respectively.
  • the top wall 611 of the inner casing 600 directly faces the top wall 511 of the body 500, while the bottom wall 612 directly faces the bottom wall 512 of the body 500.
  • the engaging projections 631, 632 slide on the top wall 511 and the bottom wall 512 of the body 500, respectively, and thus the engaging cantilevers 621, 622 are bent.
  • the engaging cantilevers 621, 622 will no longer be pressed and thus bounce.
  • the driving portions 710 and 810 of the elastic members 700 and 800 are erected by elasticity, and simultaneously drive the first shielding member 910 and The second shielding member 950 stands up.
  • the optical fiber connector 400a is inserted into the inner casing 600 from the third opening 617, the light beam emitted from the optical fiber 430 of the optical fiber connector 400a is blocked by the rising shields 910, 950. Therefore, it is possible to prevent the light beam from being emitted from the second opening 518 of the body 500 and injuring the eye.
  • the edges of the shielding plates 920, 960 and the extending portions 940, 980 of the shielding members 910, 950 are attached to the contact faces 572 of the protrusions 570 on the right wall 513 of the body 500 and the left wall 514, thus preventing dust from being removed from the surface.
  • the second opening 518 enters and contaminates the fiber optic connector 400a that has been inserted into the inner casing 600.
  • the fiber optic connector 400b is intended to be inserted into the body 500 from the second opening 518 such that the elongated protrusions 412 on the surface thereof pass through the notches 558 in the vertical portion 551.
  • the lower portion and the upper portion respectively touch the abutting protrusions 928 and 968 of the first shielding member 910 and the second shielding member 950, and the two shielding members 910 and 950 are thus rotated and pressed respectively.
  • the driving portions 710 and 810 of the elastic members 700 and 800 are respectively swung toward the bottom wall 512 and the top wall 511.
  • the elongated protrusion 412 passes through the notch 980a in the middle of the protrusion 968 and the extension 980, and touches the driving portion 810.
  • the fiber optic connector 400b continues to compress the two shield members 910, 950 during the advancement process, and the shield members 910, 950 thus rotate to continuously press the driving portions 710, 810 to gradually swing toward the bottom wall 512 and the top wall 511, respectively.
  • the guiding pins 440 of the optical fiber connector 400a are respectively inserted into the guiding holes 450 of the optical fiber connector 400b, and the hooks 542 of the body 500 are respectively hooked on the optical fiber connector 400b.
  • the fibers 430 of the fiber optic connector 400b contact the fiber 430 of the fiber optic connector 400a, respectively, thus completing the mating of the two fiber connectors 400a, 400b.
  • the driving portion 710 and the first shielding member 910 are positioned between the bottom wall 512 and the fiber connector 400b, and the driving portion 810 and the second shielding member 950 are positioned at the top wall 511.
  • the driving portions 710 and 810 are returned to the original position due to the return elastic force, and the shielding members 910 and 950 are lifted up, thereby having the function of shielding.
  • the engaging projections 631, 632 on the inner casing 600 are respectively inserted into the openings 521, 522 of the top wall 511 and the bottom wall 512 of the body 500, thereby preventing the inner casing 600 from being pulled out of the body. 500 outside.
  • a recess 641 in the inner casing 600 is used to receive the projections 412 on the fiber optic connectors 400a, 400b, thereby limiting the insertion of the fiber optic connectors 400a, 400b into the inner casing 600 in only a predetermined orientation.
  • the present invention may be selected such that the top wall 611 and the bottom wall 612 of the inner casing 600 directly face the top wall 511 and the bottom wall 512 of the body 500, respectively, or directly face the bottom wall of the body 500, respectively.
  • 512 and the top wall 511, the polarity of the two fiber connectors 400a and 400b can be selected.
  • the hooks 542, 642 on the body 500 and the inner casing 600 are used to hook into the recesses 414 on the fiber optic connectors 400a, 400b.
  • the elastic members 700, 800 and the shielding members 910, 950 need not be removed first, and the optical fiber connectors 400a, 400b are directly connected.
  • the second opening 518 is inserted into the body 500, and the shielding members 910, 950 and the driving portions 710, 810 are pressed against the bottom wall 512 or the top wall 511. If the fiber connectors 400a, 400b are pulled out of the body 500, the driving portions 710, 810 will return to the original position due to the return elastic force, and simultaneously drive the shielding members 910, 950 back to the original position, and the shielding members 910 and 950 have the shielding.
  • the flaps 740, 840 of the elastic members 700, 800 are pressed against the right wall 513 and the left wall 514 of the body, thereby preventing the elastic members 700, 800 from moving laterally within the body 500.
  • the inclined contact faces 564, 554 on the ends of the horizontal portions 562, 552 of the body 500 can be in contact with the front faces 921, 961 of the shield plates 920, 960, respectively, to limit the angle at which the shields 910, 950 are turned toward the second opening 518.
  • the present invention can be designed to press the abutment protrusion 968 on the second shielding member 950 when the optical fiber connector 400a or 400b is inserted into the body 500 from the second opening 518, so that the shielding member 950 and the driving portion 810 are swung first to avoid Driving parts 710, 810
  • the shields 910, 950 interfere with each other when oscillating.
  • the elongated rods can be used to press the two engaging cantilevers 621, 622 through the openings 521, 522, so that the inner casing 600 and the shielding members 910, 950 can be take out.
  • the blocking blocks 550, 560 on the body 500 are respectively used to restrict the movement of the connecting portions 820, 720 toward the second opening 518, and the elastic members 700, 800 and the shielding members 910, 950 can be prevented from being pulled out of the body 500 from the second opening 518.

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

La présente invention concerne un adaptateur de fibre optique qui comprend un corps principal (500), un premier composant de blindage (910), un second composant de blindage (950), un boîtier intérieur (600), un premier composant élastique (700), et un second composant élastique (800). Le premier composant élastique (700) inclut une première base (730), une première partie d'entraînement (710), et une première partie de raccordement (720). La première partie de raccordement (720) est raccordée à la première partie d'entraînement (710) et à la première base (730). Le second composant élastique (800) inclut une seconde base (830), une seconde partie d'entraînement (810), et une seconde partie de raccordement (820). La seconde partie de raccordement (820) est raccordée à la seconde partie d'entraînement (810) et à la seconde base (830). Le premier composant de blindage (910) est fixé à la première partie d'entraînement (710) et se déplace avec cette première partie d'entraînement (710). Le second composant de blindage (950) est fixé à la seconde partie d'entraînement (810) et se déplace avec cette seconde partie d'entraînement (810).
PCT/CN2017/110834 2016-12-08 2017-11-14 Adaptateur de fibre optique possédant un composant de blindage WO2018103508A1 (fr)

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CN201611122348.3A CN108196341B (zh) 2016-12-08 2016-12-08 具有遮蔽件的光纤适配器

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CN108717219A (zh) * 2018-08-20 2018-10-30 东莞市广业电子有限公司 一种光纤适配器

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CN102736186A (zh) * 2011-04-06 2012-10-17 普泰光电股份有限公司 具有遮光件的光纤适配器
CN104635302A (zh) * 2013-11-06 2015-05-20 东侑光电股份有限公司 具有遮光件的光纤适配器
CN105388568A (zh) * 2014-09-02 2016-03-09 株式会社精工技研 光纤连接器组件及带遮光挡板的光纤适配器
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CN108832370A (zh) * 2018-09-21 2018-11-16 新确精密科技（深圳）有限公司 一种适配器

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