WO2021050075A1 - Connecteur de fibre optique avec libération de tétine d'étanchéité ayant un ensemble pince en deux parties - Google Patents

Connecteur de fibre optique avec libération de tétine d'étanchéité ayant un ensemble pince en deux parties Download PDF

Info

Publication number
WO2021050075A1
WO2021050075A1 PCT/US2019/050895 US2019050895W WO2021050075A1 WO 2021050075 A1 WO2021050075 A1 WO 2021050075A1 US 2019050895 W US2019050895 W US 2019050895W WO 2021050075 A1 WO2021050075 A1 WO 2021050075A1
Authority
WO
WIPO (PCT)
Prior art keywords
fiber optic
push
optic connector
connector
clip
Prior art date
Application number
PCT/US2019/050895
Other languages
English (en)
Inventor
Man Ming Ho
Kazuyoshi Takano
Original Assignee
Senko Advanced Components Inc
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 Senko Advanced Components Inc filed Critical Senko Advanced Components Inc
Priority claimed from US16/569,546 external-priority patent/US11002923B2/en
Publication of WO2021050075A1 publication Critical patent/WO2021050075A1/fr

Links

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
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
    • G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
    • G02B6/3879—Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector 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
    • 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
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3898—Tools, e.g. handheld; Tuning wrenches; Jigs used with connectors, e.g. for extracting, removing or inserting in a panel, for engaging or coupling connectors, for assembling or disassembling components within the connector, for applying clips to hold two connectors together or for crimping

Definitions

  • the present disclosure relates generally to fiber optic connectors.
  • the prevalence of the Internet has led to unprecedented growth in communication networks. Consumer demand for service and increased competition has caused network providers to continuously find ways to improve quality of service while reducing cost.
  • Certain solutions have included deployment of high-density interconnect panels. High-density interconnect panels may be designed to consolidate the increasing volume of interconnections necessary to support the fast-growing networks into a compacted form factor, thereby increasing quality of service and decreasing costs such as floor space and support overhead.
  • adjacent connectors and cable assemblies may obstruct access to the individual release mechanisms.
  • Such physical obstructions may impede the ability of an operator to minimize the stresses applied to the cables and the connectors. For example, these stresses may be applied when the user reaches into a dense group of connectors and pushes aside surrounding optical fibers and connectors to access an individual connector release mechanism with his/her thumb and forefinger. Overstressing the cables and connectors may produce latent defects, compromise the integrity and/or reliability of the terminations, and potentially cause serious disruptions to network performance.
  • the push-pull tab 510 of FIG. 5 is replaced with a cable boot release assembly for releasing and inserting a fiber optic connector from an adapter receptacle.
  • a cable boot release assembly for releasing and inserting a fiber optic connector from an adapter receptacle.
  • the cable boot assembly moves over a back post or back body located with a connector housing. The back body is secured to a front housing using a latch and recess mechanism.
  • Lucent ® connector a SC or standard connector, a CS® or SNTM connector sold by the assignee of the present invention, or a MT ferrule or mechanical transfer ferrule connector used in MPO or multi-fiber push on connector. All these connector types have a ferrule with an optical fiber secured therein at a proximal end, and an incoming cable at a distal end.
  • a connector assembly may have a housing configured to accept a first ferrule and a second ferrule.
  • the connector assembly may also have a latch component that is removably connected to the housing, wherein the latch component is configured to rotate around the housing.
  • the latch component may have a first locking element configured to engage a second locking element to prevent rotation of the latch component in at least one of a first polarity position to a second polarity position.
  • the connector may further more include a push-pull tab removably connected to the housing and configured to move vertically along the housing when a biasing force is applied, to the push-pull tab, in at least one of a forward direction and a rearward direction. Accordingly, the push-pull tab can compress the latch component when moving longitudinally along the housing.
  • a connector assembly having an adjustable polarity may include a first plug frame and a second plug frame that are independent from each other, a first ferrule disposed within the first plug frame and a second ferrule disposed within the second plug frame that are each coupled to a terminal end of an optical fiber cable; and a housing that may include a top housing component configured to be removably coupled to a bottom housing component. The top and bottom housing coupled together to form a configured to secure the first plug frame and the second plug frame within the connector assembly .
  • removal of the top housing component from the bottom housing component may provide access to the first plug frame and the second plug frame to allow for changing a location of the first plug frame and the second plug frame within the housing to change polarity of the connector assembly.
  • a connector assembly may have an adjustable polarity comprising: a polymer uni-body base frame comprising a plug frame portion, a body portion, and a back post portion; a top cover; and an independent latch; wherein the independent latching component is removable connected to the distal end (D) of the base frame; and wherein the independent latch component is configured to rotate substantially concentric about the base frame to change polarity of the connector assembly from a first polarity to a second polarity.
  • a cable boot assembly moves over the back body as a user pulls on the assembly, clip, cable or connector housing to release the connector from an adapter. Likewise the user can push to insert the connector into an adapter housing.
  • the clip can be replaced with a two- piece clip, or just a cable boot assembly that is secured to an outer housing, while the assembly internal bore is configured to allow the assembly to move over the back body.
  • the cable boot assembly is secured to the outer housing which actuates a release of the connector from within an adapter housing.
  • FIG. 1 is an exploded view of a two-piece push/pull clip.
  • FIG. 2 is an exploded view of assembling the clip of FIG. 1 onto a fiber optic connector.
  • FIG. 3 is a perspective view of the clip of FIG.
  • FIG. 4 is an exploded view of another two-piece push/pull clip.
  • FIG. 5 is an exploded view of assembling the clip
  • FIG. 6 is a perspective view of clip of FIG. 3 assembled with a fiber optic connector.
  • FIG. 7 is an exploded view of another two-piece push/pull clip.
  • FIG. 8 is an exploded view of assembling the clip
  • FIG. 9 is a perspective view of clip of FIG. 7 assembled with a fiber optic connector.
  • FIG. 10 is an exploded view of another two-piece push/pull clip.
  • FIG. 11 is an exploded view of assembling the clip of FIG. 10.
  • FIG. 12 is a perspective view of clip of FIG. 10 assembled with a fiber optic connector.
  • FIG. 13 is a perspective view of another push/pull clip.
  • FIG. 14 is an exploded view of assembling the clip of FIG. 13 on a fiber optic connector.
  • FIG. 15 is an assembled view of the clip of FIG.
  • FIG. 16 is a perspective view of another push/pull clip.
  • FIG. 17 is a perspective view of using the clip of FIG. 16.
  • FIG. 18 is a bottom view of the clip of FIG. 16.
  • FIG. 19 is a perspective view prior to using the clip of FIG. 16 as part of a fiber optic connector.
  • FIG. 20 is a perspective view of using the clip
  • Duplex connector assemblies such as an LC connector assembly, may include a receiving optical fiber (typically labeled as "A”) and a transmitting optical fiber (typically labeled as "B"). Such duplex connector assemblies may connect with an adapter having corresponding receiving (or "A") and transmitting ("B") ports.
  • a duplex connector assembly is generally configured such that the receiving optical fiber connects with the transmitting port of the adapter and the transmitting optical fiber connects with the receiving port of the adapter.
  • a duplex connector assembly has a polarity based on the relative orientation of the receiving optical fiber and the transmitting optical fiber.
  • a corresponding adapter may have a polarity based on the relative orientation of the receiving port and the transmitting port. If the polarity of the connector assembly corresponds to the polarity of the adapter, the connection between connector assembly and adapter may communicate data over fiber optic cables joined by these two components. However, particularly in large installations, the polarity of the connector often does not correspond with adapter polarity, leading failed data transmission. The connector assembly cannot simply be rotated to a correct polarity, as the connector assembly includes elements configured to secure the connector assembly to the adapter which prevents rotation.
  • the described technology generally relates to connector assemblies (for example, a plug, male connector, connector, or the like) having an adjustable polarity.
  • the connector assemblies have a plurality of orientations, alignments, or other physical attributes that cause the connector assemblies to have a plurality of polarities.
  • the connector assembly may only fit into and/or correctly connect with an adapter (for instance, a receptacle, female connector, adapter, or the like) in one or more of the polarities.
  • the polarity of the connector assembly may be based on the relative orientation of components of the connector assembly, such as ferrules, a housing, a latch, a frame, or the like.
  • a connector assembly configured according to some embodiments may include two ferrules, a transmission ferrule and a receiving ferrule that may be arranged in one of a first polarity and a second polarity in order to form a successful connection with a corresponding adapter.
  • the connector assemblies and other data transmission elements described according to some embodiments herein may be connected within a network, which may include any type of network capable of transmitting signals, electricity, or any other type of transmission medium.
  • the network may include, without limitation, a communication network, a telecommunication network, an electrical network, a data network, a computer network, and any combination thereof.
  • the network may include a communication network using various signal transmission mediums, including, without limitation, fiber optic networks, Ethernet networks, cable and/or satellite television networks, and any other type of communication network now known or developed in the future.
  • the sealable connector assemblies may be configured to connect cable segments and/or devices within a fiber optic network using various standard connector types and/or adaptors, including, but not limited to, LC, ST, SC, FC,
  • the connector assembly may include a duplex LC-type connector and the connector assembly adaptor may include an SFP adaptor.
  • the connector assembly may include a LC-type uniboot connector.
  • the connector assembly may include a unibody connector, for instance, that includes a round fiber optic cable.
  • FIG. 1 depicts a two-piece push/pull tab clip-on
  • Top housing 6501 has a plural of lengthwise tabs (6503a, 6503b) position about top housing 6501 to accept and secure bottom housing 6502 via a tab corresponding to recess (6504a, 6504b, 6504c, 6540d).
  • Recess 6504a corresponds to lengthwise tab 6503a when bottom housing 6504 is mated with top housing 6501, tab 6502a is received in recess 6504a.
  • Recess 6504a is on the inside of first sidewall 6505 and recess 6504c is on inside of second sidewall 6506.
  • Recess 6504a and 6504b are shown by dotted line on outside of first sidewall
  • FIG. 2 depicts assembling bottom housing 6502 with top housing 6501 by sliding together recesses 6504 in bottom housing 6502 with corresponding protrusions 6503 in top housing 6501.
  • FIG. 3 depicts assembled top housing 6501 and bottom housing 6502 or clip-on push/pull release assembly 6509 deploying a tab/recess snap-fit system.
  • Fiber optic connector
  • 6700 is depicted assembled with opposing plug frame (6508a,
  • each plug frame having a latch on the top of the plug frame, the latch secures connector 6700 within an adapter port.
  • FIG. 4 depicts a two-piece "C" mount push/pull clip 6800 where the "C" mount body portion 6801 and two-piece snap-fit boot portion 6802 forms push/pull clip 6800.
  • a connector body (refer to FIG. 5 and FIG..6), it forms a push/pull clip similar to clip 2420.
  • User operation of clip 2420 and clip 6800 are the same for operatively releasing and inserting the connector out-of and into an adapter port respectively.
  • body portion 6801 has two legs (6803a, 6803b) that extend perpendicular to axis A-A' of clip 6800. This allows clip legs (6803a, 6803b) to be secured about a corresponding portion of plug frame (6805a, 6805b).
  • Two-piece snap-fit boot portion 6802 has a pair of opposing openings (6805, 6807) that are received in corresponding tabs
  • Boot portion 6802 is secured when tabs (6806, 6808) are received in openings (6805, 6807).
  • FIG. 5 depicts the assembly "A" of boot portion
  • Boot portion 6802 is snap-fit about cable boot 6810.
  • FIG. 7 depicts FIG. 4 body portion 7101 and boot portion 7102 except boot portion 7102 is secured to body portion
  • boot portion 7102 and body portion 7101 form two-piece push/pull clip 7100.
  • FIG. 8 depicts assembling FIG. 9 which is connector 7100 ready for use.
  • Boot portion 7102 is mated with body portion 7101 when recess 7104c
  • FIG. 9 depicts operation of connector 7100 assembled when releasing connector 7100 from an adapter port. As described in FIG. 6, user pulls on cable boot 7110 in a distal direction or in direction of arrow "R", which moves body portion 7101 distally.
  • Protrusion 7111 is pushed down which rotates down the latches and releases the connector from the adapter port.
  • FIG. 10 depicts push/pull clip 7400 with a two- piece snap-fit at body portion 7401 and "C" clip or boot portion is 7402 integrally formed with body portion 7401.
  • Lower housing
  • FIG. 11 depicts body portion 7401 and boot portion 7402 formed as one piece and secured about the plug frame at a proximal end, and the boot portion 7402 secured about cable boot 7410 at a distal end of the connector.
  • FIG. 12 operates similar to FIG. 9 where a user pulls on the cable in direction of arrow "R", and connector 7600 is released from an adapter port (not shown).
  • Body portion 7401 has an opening which depresses a protrusion that rotates down a latch on the top of each plug frame, and releases connector 7600 from the adapter port.
  • FIG. 13 depicts an integrated body portion 7701 and boot portion 7702 formed as one-piece push/pull clip 7700.
  • Body portion 7701 has a pair of opposing legs (7703a, 7703b) that are secured about corresponding plug frame (7705a, 7705b)
  • Boot portion 7702 has opening 7715 that is accepted by backpost 7814 when mated with the fiber optic connector main body. This secures clip 7700 to the main body portion of the fiber optic connector as described in FIG. 14.
  • Opening 7713 accepts protrusion 7711 and operates as described in FIG. 15 below.
  • FIG. 14 depicts main body of the fiber optic connector having opposing plug frames (7805a, 7805b) and backpost 7814.
  • Clip 7700 is mated with and installed onto the connector in direction of arrow A.
  • Cable boot 7710 opening 7715 is press-fitted onto backpost 7814, and legs (7703a, 7703b) are secured about plug frames (7805a, 7805b), which secures clip
  • FIG. 15 depicts the operation of clip 7700 when the user pulls on cable boot 7710 in the direction of arrow "R", protrusion 7711 is pushed down by opening 7713 and this rotates down adapter latches (7712a,
  • FIG. 16 depicts one-piece clip 8000 with active release tab 8016. Assembly to the fiber optic connector main body is described in FIG. 14 above.
  • FIG. 17 depicts clip 8000 installed with the fiber optic connector main body.
  • release tab 8016 is flexible and when depressed in direction, "P”, latch arms (8017a, 8017b) are pushed down toward the top portion of each corresponding plug frame (8008a, 8008b), which rotates down latches (8012a, and 8012b) allowing the release of the connector from an adapter port in the direction of arrow "R" in FIG. 20.
  • FIG. 18 depicts the underside of clip
  • FIG. 19 depicts clip 8900 installed on the fiber optic connector, and prior to depressing release table 8016, as depicted in FIG. 20. Comparing FIG. 19 with FIG.
  • connection elements and/or materials such as crimpers, bands, straps, ferrules, locking materials, fluids, gels, or the like.
  • compositions, methods, and devices are described in terms of “comprising” various components or steps (interpreted as meaning “including, but not limited to”), the compositions, methods, and devices can also

Abstract

La présente invention concerne des ensembles connecteurs. Un ensemble connecteur donné à titre d'exemple comprend un boîtier conçu pour accueillir une première ferrule et une seconde ferrule. L'ensemble connecteur peut également comporter une pince de poussée/traction qui est conçue pour enfoncer une saillie qui fait tourner un dispositif de connecteur vers le bas pour retirer l'ensemble connecteur d'un adaptateur. La pince de poussée/traction est intégrée à un ensemble tétine d'étanchéité qui permet à un utilisateur d'appliquer une force distale pour retirer ou pour insérer l'ensemble connecteur dans le boîtier d'adaptateur. La pince de poussée/traction est conçue pour être utilisée pour séparer un type de connecteur MPO et LC d'un adaptateur.
PCT/US2019/050895 2019-09-12 2019-09-12 Connecteur de fibre optique avec libération de tétine d'étanchéité ayant un ensemble pince en deux parties WO2021050075A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/569,546 2019-09-12
US16/569,546 US11002923B2 (en) 2017-11-21 2019-09-12 Fiber optic connector with cable boot release having a two-piece clip assembly

Publications (1)

Publication Number Publication Date
WO2021050075A1 true WO2021050075A1 (fr) 2021-03-18

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PCT/US2019/050895 WO2021050075A1 (fr) 2019-09-12 2019-09-12 Connecteur de fibre optique avec libération de tétine d'étanchéité ayant un ensemble pince en deux parties

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4177650A1 (fr) * 2021-11-08 2023-05-10 US Conec, Ltd Gaine de connecteur de fibre optique push-pull avec verrou autobloquant

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8764308B2 (en) * 2011-06-06 2014-07-01 Panduit Corp. Duplex clip assembly for fiber optic connectors
US9739955B2 (en) * 2015-05-07 2017-08-22 Alliance Fiber Optic Products, Inc. Push-pull type fiber optic connector assembly
US20180341069A1 (en) * 2017-05-25 2018-11-29 Senko Advanced Components, Inc. Adjustable Polarity Fiber Optic Connector Assemblies with Push-Pull Tabs
US10295758B2 (en) * 2017-03-03 2019-05-21 Ezconn Corporation High-density fiber optic connector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8764308B2 (en) * 2011-06-06 2014-07-01 Panduit Corp. Duplex clip assembly for fiber optic connectors
US9739955B2 (en) * 2015-05-07 2017-08-22 Alliance Fiber Optic Products, Inc. Push-pull type fiber optic connector assembly
US10295758B2 (en) * 2017-03-03 2019-05-21 Ezconn Corporation High-density fiber optic connector
US20180341069A1 (en) * 2017-05-25 2018-11-29 Senko Advanced Components, Inc. Adjustable Polarity Fiber Optic Connector Assemblies with Push-Pull Tabs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4177650A1 (fr) * 2021-11-08 2023-05-10 US Conec, Ltd Gaine de connecteur de fibre optique push-pull avec verrou autobloquant

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