WO2020019284A1 - Connecteur de fibres optiques - Google Patents

Connecteur de fibres optiques Download PDF

Info

Publication number
WO2020019284A1
WO2020019284A1 PCT/CN2018/097351 CN2018097351W WO2020019284A1 WO 2020019284 A1 WO2020019284 A1 WO 2020019284A1 CN 2018097351 W CN2018097351 W CN 2018097351W WO 2020019284 A1 WO2020019284 A1 WO 2020019284A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
inner core
optical fiber
core body
slot
Prior art date
Application number
PCT/CN2018/097351
Other languages
English (en)
Chinese (zh)
Inventor
蒋小兰
Original Assignee
深圳市英通达光纤技术有限公司
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 深圳市英通达光纤技术有限公司 filed Critical 深圳市英通达光纤技术有限公司
Priority to PCT/CN2018/097351 priority Critical patent/WO2020019284A1/fr
Publication of WO2020019284A1 publication Critical patent/WO2020019284A1/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

Definitions

  • the present invention relates to the technical field of optical fiber communication physical connections, and in particular, to an optical fiber connector.
  • Optical fiber connector is a device for detachable connection between optical fiber and optical fiber, so that the two end faces of the optical fiber are accurately docked, and the light energy output from the transmitting optical fiber is coupled to the receiving optical fiber to the maximum, and at the same time, due to its intervention The impact of the optical link on the system is minimized.
  • fiber optic connectors affect the reliability of optical transmission systems.
  • a large number of fiber optic connectors are widely used in fiber-to-fiber, fiber-to-device, and fiber-to-instrument connections.
  • the optical fiber connector can be divided into: FC type, SC type, LC type, MPO And other types of fiber optic connectors.
  • an optical fiber connector includes an inner core mechanism and a plug-in mechanism.
  • the inner core of the inner core mechanism is formed by buckling two pieces of tiles of the same size, and both tiles have a through longitudinal channel to guide them.
  • An optical fiber provided in the inner core, the optical fiber in the inner core is fixed by a cable clamping part provided between the two tiles, and then sleeved through a sleeve; however, there are too many structures provided between the two tiles , Resulting in a smaller space for the optical fiber contained in the core; at the same time, due to the large differences in the core mechanism of multiple channel fiber connectors, the core mechanisms between different types of fiber connectors cannot be interchanged, leading to fiber connectors The compatibility is poor.
  • an embodiment of the present invention discloses an optical fiber connector, including: an inner core body provided with an opening in an axial direction from an end surface; an opening is provided with a first placement groove; An optical fiber groove is continuously formed on the side wall along the axial direction of the inner core body. The optical fiber groove communicates with the opening of the inner core body and the other end of the inner core body opposite to the opening, and is used for accommodating optical fibers.
  • the inner core cover includes: a second placing groove , Arranged along the axial direction on the core cover body; a limiting block is arranged at one end of the second placement slot; the limiting block is integrated with the core cover body; the connector is electrically connected to the optical fiber located on the optical fiber slot The connector is placed in the first placement slot; the inner core cover is detachably fastened to the inner core body, and the second placement slot covers the connector; the first placement slot, the second placement slot, and the limiting block limit the connection head. The bit is fixed.
  • the connector of the optical fiber provided by the invention is fixed on the inner core body through the inner core cover and the limiting block, and the connector is electrically connected with the optical fiber on the optical fiber slot and passes through the inner core.
  • the optical fiber slot opened on the body accommodates redundant optical fibers. Since the optical fiber slot penetrates the side wall of the core body, the space in the fiber slot is increased, and the size of the space for containing the optical fiber in the core body is increased.
  • an optical fiber slot is provided on the core body, and the fiber slot communicates with the opening of the core body and the other end of the core body opposite to the opening.
  • the optical fiber can be stably installed in the optical fiber groove of the inner core body, and the overall structure of the optical fiber connector is compact and the fixing effect is good.
  • the connector is fastened and fixed through the core body and the core cover, and then inserted through the sleeve, which facilitates the interchange between the core mechanisms and improves the compatibility of the optical fiber connector.
  • FIG. 1 is an exploded schematic diagram of the overall structure according to the first embodiment of the present invention
  • Embodiment 1 of the present invention is an exploded schematic view of an optical fiber connector in Embodiment 1 of the present invention
  • Embodiment 3 is a schematic structural diagram of a core mechanism in Embodiment 1 of the present invention.
  • Embodiment 4 is a schematic structural diagram of a core mechanism in Embodiment 2 of the present invention.
  • FIG. 5 is a schematic structural diagram of an inner core mechanism in Embodiment 3 of the present invention.
  • the inner core body further comprises: an elastic member groove, two groups are provided on the inner core body along the length direction of the optical fiber groove, which are respectively located on both sides of the optical fiber groove, and one end of the inner core body is far from the end surface of the inner core body away from the opening. The other end is closed, and an elastic member is disposed in the elastic member slot for fixing an optical fiber located in the optical fiber slot.
  • the invention further comprises: a plug-in mechanism for detachably connecting the inner core body and the optical fiber adapter, the plug-in mechanism includes: a sleeve, which is a tubular structure that is open at both ends and hollow inside, and is connected with the inner core body The sleeve covers the inner core body and the inner core cover; the nut base is a tubular structure that is open at both ends and is hollow inside.
  • One side wall is provided with external threads for screw connection with the fiber optic adapter, and the other end is inside
  • the wall surface is provided with internal threads;
  • the nut base is in abutment with the middle part of the sleeve;
  • the tail pipe is fixedly inserted into the sleeve, and the outer side wall of the tail pipe is provided with clamping grooves distributed in the circumferential direction.
  • the invention further comprises: a sealing mechanism for sealing the end of the inner core body away from the opening, the sealing mechanism comprising: a rivet nut, which is installed on the end of the sleeve far from the connector, and an outer side wall surface of the end is provided with The ribs are raised, and the riveted nut is threadedly connected to the core body.
  • the riveted nut covers the end face of the core body away from the opening; the riveted connection ring, the riveted connection ring presses the aramid yarn in the optical cable by the riveting method. It is fixed on the raised rib of the rivet nut.
  • the invention further includes: a dust-proof mechanism, including: a dust-proof cover, which is provided with an internal thread on the inner side wall and is threadedly connected to the nut base for dust-proof of the connector; a connector chain having one end and The dust cover is sleeved, and the other end is fixed to the tail pipe through a card slot.
  • a dust-proof mechanism including: a dust-proof cover, which is provided with an internal thread on the inner side wall and is threadedly connected to the nut base for dust-proof of the connector; a connector chain having one end and The dust cover is sleeved, and the other end is fixed to the tail pipe through a card slot.
  • both ends of the sleeve are provided with an annular groove, and a sealing ring for waterproof and dustproof is sleeved in the annular groove.
  • the invention further provides that the connector is a single-core connector, the single-core connector is matched with the inner core body, and the single-core connector is fastened and installed on the inner core body through the inner core cover.
  • the connector is a dual-core connector
  • the dual-core connector is mated with the inner core body
  • the dual-core connector is fastened and installed on the inner core body through the inner core cover.
  • the connector is a multi-core connector
  • the multi-core connector is matched and connected with the inner core body
  • the multi-core connector is buckled and installed on the inner core body through the inner core cover.
  • connection should be understood in a broad sense unless otherwise specified and limited. For example, they may be fixed connections or removable. Connection, or integral connection; can be mechanical or electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, or the internal communication between the two elements, can be wireless or wired connection.
  • connection or integral connection; can be mechanical or electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, or the internal communication between the two elements, can be wireless or wired connection.
  • An optical fiber connector as shown in FIGS. 1 and 2, includes an inner core mechanism 1 for fixedly connecting an optical cable, a plug-in mechanism 2, a sealing mechanism 4 for sealing and protecting the inner core mechanism 1, and a dustproof mechanism 3.
  • the core mechanism 1 includes a core body 11 and a core cover 12; one end surface of the core body 11 is provided with an opening 113 in the axial direction, and a first placement groove 114 is provided at the opening 113.
  • the length of the core body 11 is greater than the length of the core cover 12.
  • the side wall of the core body 11 is continuous with an optical fiber slot 111 along the axial direction of the core body 11.
  • the cover 12 is detachably fastened to the upper part of the core body 11.
  • the core cover 12 includes a second placement groove 121 and a stopper.
  • the second placement groove 121 is arranged on the core cover body in the axial direction. At one end of the second placement groove 121, the limiting block and the core cover body are integrated.
  • the connector 13 is a single-core connector, which is electrically connected to the optical fiber located in the optical fiber slot 111.
  • the single-core connector is placed in the first placement slot 114 and the second placement slot 121 covers the connector. 13.
  • the first placing groove 114, the second placing groove 121, and the limiting block fix the connector 13 in a limited position.
  • the connector 13 is fastened and fastened by the inner core body 11 and the inner core cover 12, and the single-core connector is placed in the first placement slot 114 to form a single-core connector, and is accommodated by opening an optical fiber slot 111
  • the redundant optical fibers increase the size of the space for accommodating the optical fibers in the core body 1.
  • two sets of elastic member grooves 112 are symmetrically opened on the inner core body 11 along the length direction of the optical fiber groove 111.
  • One end of the elastic member groove 112 is connected to the inner core body 11.
  • An end surface of one end remote from the opening 113 penetrates, and the other end of the elastic member groove 112 is closed.
  • An elastic member for fixing an optical fiber is installed in the elastic member groove 112.
  • the plug-in mechanism 2 includes a sleeve 21, which is a tubular structure with two ends open and a hollow interior.
  • the sleeve 21 is overlapped with the core body 11 and the sleeve 21 covers the inner core.
  • both ends of the sleeve 21 are provided with an annular groove 211, and a sealing ring (not shown) for waterproof and dustproof is sleeved in the annular groove 211; the sleeve 21 is far from the connector 13
  • One end is mated with a tail pipe 23, and the tail pipe 23 is provided with a clamping groove 231 distributed in a circumferential direction; an outer wall of the sleeve 21 is sleeved with a nut base 22, and the nut base 22 is open at both ends and hollow inside.
  • the tubular structure is provided with an external thread on the side wall of one end near the connecting head 13, and the nut base 22 abuts the middle portion of the sleeve 21.
  • the inner core mechanism 1 is sleeved through the sleeve 21 of the plugging mechanism 2 to facilitate installation and replacement of the inner core mechanism 1.
  • the sealing mechanism 4 includes a rivet nut 41, which is installed on the outer side wall of one end of the sleeve far from the connector 13.
  • An outer side wall surface of one end of the rivet nut 41 is provided with a protruding rib, and an inner side wall surface of the other end.
  • An internal thread is provided.
  • the rivet nut 41 is threadedly connected to the core body 12.
  • the rivet nut 41 covers an end surface of the core body 11 away from the opening 113.
  • the rivet nut 41 is rivet-connected with a rivet connection ring 42.
  • the crimping ring 42 crimps and fixes the aramid yarn in the optical cable to the protruding reinforcement of the riveting nut 41 by a riveting method, and the riveting connecting ring 42 and the riveting nut 41 are closely connected.
  • the rivet nut 41 is screw-fastened to the sleeve 21, and the abutment of the rivet nut 41 with the seal ring achieves sealing of the inner core mechanism 1 and achieves the effect of waterproof and dustproof.
  • the dustproof mechanism 3 includes a dustproof cover 31 for dustproofing the connector 13.
  • An inner thread is provided on the inner side wall of the dustproof cover 31, and the dustproof cover 31 and the nut base 22 Threaded connection, the dust cover 31 is sleeved with a connector chain 32, and the other end of the connector chain 32 is sleeved with the tail pipe 23 through a slot 231, and both ends of the connector chain 32 are ring with a tooth inside. .
  • the connector chain 32 is sleeved with the dust cover 31 and the tail pipe 23 respectively, so that the dust cover 31 is stably fixed on the nut base 22 to facilitate dustproofing the optical fiber connector.
  • the connector 13 may be a dual-core connector.
  • the dual-core connector is matched with the core body 11, and the dual-core connector is fastened and installed on the core body 11 through the core cover 12.
  • the dual-core connector is installed on the inner core body 11 to form a dual-core connector, and the optical fiber is fixedly connected to the dual-core connector through the optical fiber slot 111 to facilitate the fixed connection of the optical fiber and the optical fiber adapter; by replacing the inner core mechanism 1. Realize the dual-core connector to replace the single-core connector to improve the compatibility of the optical fiber connector.
  • the connector 13 may be a multi-core connector.
  • the multi-core connector is matched with the core body 11, and the multi-core connector is fastened and installed on the core body 11 through the core cover 12.
  • the multi-core connector is installed on the inner core body 11 to form a multi-core connector, and the optical fiber is fixedly connected to the dual-core connector through the optical fiber slot 111 to facilitate the fixed connection of the optical fiber and the optical fiber adapter; by replacing the inner core mechanism 1. Achieve the interchange among three kinds of connectors 13 such as multi-core connector, dual-core connector and single-core connector, and improve the compatibility of optical fiber connectors.
  • the invention has industrial applicability and improves the practicability of the product.

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

Abstract

La présente invention concerne un connecteur de fibre optique utilisé pour la connexion physique d'une communication par fibre optique, comprenant un mécanisme de noyau interne (1), un mécanisme de bouchon (2), un mécanisme d'étanchéité (4) et un mécanisme anti-poussière (3). Le mécanisme de noyau interne (1) comprend un corps de noyau interne (11), qui est pourvu d'une ouverture (113) dans la direction axiale à partir d'une surface d'extrémité une première fente de réception (114) est ouverte au niveau de l'ouverture (113) ; une fente de fibre optique (111) est formée en continu dans la paroi latérale du corps de noyau interne (11) le long de la direction axiale du corps de noyau interne (11) et est utilisée pour recevoir une fibre optique. Un couvercle de noyau interne (12) comprend : une seconde fente de réception (121), disposée axialement le long du corps du couvercle de noyau interne (12) ; un bloc de limitation, qui est disposé à une extrémité de la seconde fente de réception (121) et est intégré au corps du couvercle de noyau interne (12) ; et une tête de connexion (13), reliée à la fibre optique située dans la fente de fibre optique (111) et reçue dans la première fente de réception (114). Le couvercle de noyau interne (12) est fixé de manière amovible au corps de noyau interne (11) et la seconde fente de réception (121) recouvre la tête de connexion (13). La fente de fibre optique (111) est prévue pour recevoir des fibres optiques redondantes, de telle sorte que la taille de l'espace dans lequel le corps de noyau (11) reçoit des fibres optiques est augmentée.
PCT/CN2018/097351 2018-07-27 2018-07-27 Connecteur de fibres optiques WO2020019284A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/097351 WO2020019284A1 (fr) 2018-07-27 2018-07-27 Connecteur de fibres optiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/097351 WO2020019284A1 (fr) 2018-07-27 2018-07-27 Connecteur de fibres optiques

Publications (1)

Publication Number Publication Date
WO2020019284A1 true WO2020019284A1 (fr) 2020-01-30

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PCT/CN2018/097351 WO2020019284A1 (fr) 2018-07-27 2018-07-27 Connecteur de fibres optiques

Country Status (1)

Country Link
WO (1) WO2020019284A1 (fr)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100322563A1 (en) * 2000-05-26 2010-12-23 Melton Stuart R Fiber optic drop cables and preconnectorized assemblies having toning portions
CN202057835U (zh) * 2011-05-09 2011-11-30 宁波明日通信器材有限公司 一种通信光纤现场安装快速连接器
CN202421551U (zh) * 2011-12-26 2012-09-05 深圳市科信通信设备有限公司 一种光纤快速连接器
CN202583526U (zh) * 2012-04-24 2012-12-05 深圳日海通讯技术股份有限公司 一种光纤现场连接器
CN202794610U (zh) * 2012-09-24 2013-03-13 宁波科隆光电科技有限公司 一种预埋光纤快速连接器
US20150036982A1 (en) * 2013-08-02 2015-02-05 Adc Telecommunications, Inc. Taper strain relief boot for ferrule flex connectors
CN204575899U (zh) * 2014-12-14 2015-08-19 江锡华 一种适用多种规格光纤的lc快速连接器
CN105190387A (zh) * 2013-03-21 2015-12-23 3M创新有限公司 用于带夹套的缆线的光学连接器
CN205562886U (zh) * 2016-05-04 2016-09-07 深圳市雍邑科技有限公司 可现场快速安装的光纤接合件及光纤连接器
CN205880281U (zh) * 2016-07-27 2017-01-11 杭州雷特通信技术有限公司 一种高效快速生产的光纤活动连接器
CN206114966U (zh) * 2016-08-08 2017-04-19 深圳奇萪通讯技术有限公司 一种光纤现场连接器
CN206557439U (zh) * 2017-03-14 2017-10-13 南京华脉科技股份有限公司 一种快速装配简易型sc连接器
CN206741038U (zh) * 2017-05-26 2017-12-12 深圳市飞博康光通讯技术有限公司 一种预埋式光纤快速连接器

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100322563A1 (en) * 2000-05-26 2010-12-23 Melton Stuart R Fiber optic drop cables and preconnectorized assemblies having toning portions
CN202057835U (zh) * 2011-05-09 2011-11-30 宁波明日通信器材有限公司 一种通信光纤现场安装快速连接器
CN202421551U (zh) * 2011-12-26 2012-09-05 深圳市科信通信设备有限公司 一种光纤快速连接器
CN202583526U (zh) * 2012-04-24 2012-12-05 深圳日海通讯技术股份有限公司 一种光纤现场连接器
CN202794610U (zh) * 2012-09-24 2013-03-13 宁波科隆光电科技有限公司 一种预埋光纤快速连接器
CN105190387A (zh) * 2013-03-21 2015-12-23 3M创新有限公司 用于带夹套的缆线的光学连接器
US20150036982A1 (en) * 2013-08-02 2015-02-05 Adc Telecommunications, Inc. Taper strain relief boot for ferrule flex connectors
CN204575899U (zh) * 2014-12-14 2015-08-19 江锡华 一种适用多种规格光纤的lc快速连接器
CN205562886U (zh) * 2016-05-04 2016-09-07 深圳市雍邑科技有限公司 可现场快速安装的光纤接合件及光纤连接器
CN205880281U (zh) * 2016-07-27 2017-01-11 杭州雷特通信技术有限公司 一种高效快速生产的光纤活动连接器
CN206114966U (zh) * 2016-08-08 2017-04-19 深圳奇萪通讯技术有限公司 一种光纤现场连接器
CN206557439U (zh) * 2017-03-14 2017-10-13 南京华脉科技股份有限公司 一种快速装配简易型sc连接器
CN206741038U (zh) * 2017-05-26 2017-12-12 深圳市飞博康光通讯技术有限公司 一种预埋式光纤快速连接器

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