WO2016000248A1 - Connecteur de fibre optique - Google Patents

Connecteur de fibre optique Download PDF

Info

Publication number
WO2016000248A1
WO2016000248A1 PCT/CN2014/081627 CN2014081627W WO2016000248A1 WO 2016000248 A1 WO2016000248 A1 WO 2016000248A1 CN 2014081627 W CN2014081627 W CN 2014081627W WO 2016000248 A1 WO2016000248 A1 WO 2016000248A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
frame
housing
optical fiber
adapter
Prior art date
Application number
PCT/CN2014/081627
Other languages
English (en)
Chinese (zh)
Inventor
张俊
宋启兴
刘灿胜
Original Assignee
深圳日海通讯技术股份有限公司
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 深圳日海通讯技术股份有限公司 filed Critical 深圳日海通讯技术股份有限公司
Priority to PCT/CN2014/081627 priority Critical patent/WO2016000248A1/fr
Publication of WO2016000248A1 publication Critical patent/WO2016000248A1/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

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a fiber optic connector.
  • the fiber optic connector as a connector between the fiber and the fiber, is widely used in applications such as communication, local area network, fiber to the home, optical fiber sensing, and high quality video transmission.
  • the adapters and the connectors of the existing optical fiber connectors are screwed together, so that the adapter and the connector need to have a large space for rotation when connecting or disassembling, which is troublesome to operate.
  • the sealing effect in the fiber optic connector is The L-shaped seal ring is easy to be moved by the tension and affects the sealing effect.
  • the technical problem to be solved by the present invention is to provide a fiber optic connector that is easy to assemble and disassemble in view of the defects of the prior art.
  • the technical solution adopted by the present invention to solve the technical problem thereof is to provide a fiber optic connector, An adapter assembly, and a connector assembly for cable insertion, the adapter assembly and the connector assembly are relatively mated and detachably coupled;
  • the adapter assembly includes a housing that extends through opposite ends, and is disposed in the housing a fiber optic adapter in the body, the first end of the housing is provided with at least one resilient arm having a hook portion;
  • the connector assembly includes a first frame for the cable to be laid over, and the first frame is disposed a fiber connector for inserting an optical fiber at an end of the cable, and a second frame sleeved outside the first frame and movable back and forth along the first frame, the first frame a frame sleeve is provided with a buckle groove toward an outer circumference of one end of the casing;
  • the first frame is inserted into the first end of the housing with one end facing the housing, the optical fiber connector is inserted into the optical fiber adapter, and the hook of the elastic arm is fastened.
  • the second frame is located on the outer periphery of the first frame and the first end, and the hook portion of the elastic arm is clamped in the buckle groove.
  • the first frame sleeve includes a tail sheath and an inner frame sleeve through which the fiber optic cable is sequentially disposed, the fiber optic connector is disposed in the inner frame, and the buckle is disposed in the inner frame
  • the sleeve is oriented toward an outer circumference of one end of the housing, and one end of the tail sheath is sleeved on the other end of the inner frame sleeve away from the housing;
  • the second frame sleeve is sleeved outside the inner frame sleeve, and an elastic returning member for driving the first frame sleeve to be reset after being moved is further disposed between the second frame sleeve and the inner frame sleeve.
  • the inner frame sleeve is further provided with a limiting slot on the outer circumference of the one end of the housing;
  • the inner circumference of the second frame sleeve is convexly provided with a limiting step, and the limiting step is along the length direction of the limiting slot Movement fit in the limiting slot;
  • the elastic returning member is disposed in the limiting slot, and one end of the elastic returning member abuts on a side of the limiting step toward the tail sheath, and the other end abuts on the tail sheath Facing one end face of the limit step.
  • the inside of the inner frame sleeve is further potted with a sealant for sealing between the optical cable and the inner frame sleeve; or
  • the inside of the inner frame sleeve is further provided with a sealing ring for sealing between the optical cable and the inner frame.
  • a sealing gasket is disposed between an outer circumference of one end of the first frame inserted in the first end of the housing and an inner circumference of the first end.
  • the connector assembly further includes a connector mounting seat that penetrates at opposite ends, the fiber connector is inserted into the connector mounting, and the connector mounting is latched in the first frame
  • the sleeve is disposed such that the fiber optic connector is disposed within the first frame by the connector mount.
  • the outer circumference of the housing is provided with a waterproof gasket.
  • the adapter assembly further includes a cap; the cap is capped to a second end of the housing opposite the first end.
  • the second end is provided with an external thread
  • the cap is correspondingly provided with an internal thread, and the cap is screwed to the second end by the internal thread and the external thread.
  • the fiber optic connector is an MPO type connector, an LC type connector, an SC type connector or an FC type connector; the fiber adapter corresponds to MPO type adapter, LC type adapter, SC type adapter or FC type adapter.
  • the invention has the following beneficial effects: the optical fiber connector of the invention, the adapter component and the connector assembly are connected by the cooperation of the elastic arm and the buckle groove, and the operation is simple, and the elastic arm is tightly clamped in the buckle groove through the frame sleeve to prevent When the elastic arm is pulled out by itself or pulled out when pulled, the connection is stabilized.
  • the frame sleeve is removed from the outer circumference of the elastic arm to release the tightening of the elastic arm, and the elastic arm can be removed from the elastic arm.
  • the buckle groove is disengaged to separate the adapter assembly and the connector assembly.
  • the inside of the inner frame sleeve is sealed with the optical cable by the sealant, and the sealing effect is good, and the sealing effect is not affected by the pulling displacement.
  • FIG. 1 is a schematic exploded view of an optical fiber connector according to an embodiment of the present invention.
  • Figure 2 is a cross-sectional view of the adapter assembly and connector assembly of the fiber optic connector of Figure 1 assembled;
  • Figure 3 is a cross-sectional view of the fiber optic connector of Figure 1 assembled.
  • an optical fiber connector according to an embodiment of the present invention includes an adapter assembly 1 and a connector assembly 2, the adapter assembly 1 and the connector assembly 2 are detachably coupled to each other, and the connector assembly 2 is provided with an optical cable. 100 is plugged in, and the optical cable 100 is docked with another optical cable through the adapter assembly 1.
  • the adapter component 1 and the connector assembly 2 are connected by a snap-fit method, and the assembly and disassembly is simple and convenient.
  • the adapter assembly 1 includes a housing 11 and a fiber optic adapter 12; the opposite ends of the housing 11 are penetrated, and the optical fiber adapter 12 is disposed in the housing 11.
  • the optical cable 100 can be respectively inserted from the optical fiber adapter 12 from the two ends of the housing 11.
  • the optical fibers in the optical fiber cables 100 at both ends are fixedly connected.
  • the connector assembly 2 includes a first frame 21 for the optical cable 100, a fiber connector 23, and a second frame 22.
  • the fiber connector 23 is disposed in the first frame 21 for optical fiber insertion at the end of the cable 100.
  • the second frame sleeve 22 is sleeved outside the first frame sleeve 21 and is movable back and forth along the axial direction of the first frame sleeve 21.
  • the housing 11 has opposite first and second ends, the first end of the housing 11 is provided with at least one resilient arm 13 having a hook 130; in the connector assembly 2, first The frame sleeve 21 is provided with a buckle groove 24 toward the outer periphery of one end of the housing 11; the first frame 21 is inserted into the first end of the housing 11 toward one end of the housing 11, and the optical fiber connector 23 is inserted into the optical fiber adapter 12
  • the hook portion 130 of the elastic arm 13 is fastened in the buckle groove 24, and the second frame 22 is located at the outer periphery of the first end of the first frame 21 and the first end of the housing 11.
  • the hook portion 130 of the elastic arm 13 is fastened to the buckle groove.
  • a secure connection of the adapter assembly 1 and the connector assembly 2 is achieved.
  • the second frame 22 is only removed from the outer circumference of the elastic arm 13 (drawn in a direction away from the housing 11), and the hooking of the hook portion 130 of the elastic arm 13 is released.
  • the elastic arm 13 can be disengaged from the buckle groove 24, so that the adapter assembly 1 and the connector assembly 2 are separated, and the operation is simple.
  • the first frame cover 21 includes a connected tail sheath 211 and an inner frame sleeve 212.
  • the optical fiber connector head 23 is disposed in the inner frame sleeve 212, and the optical cable 100 is sequentially inserted into the tail sheath 211 and the inner frame sleeve 212.
  • the fiber at the end of the cable 100 is exposed and inserted into the fiber connector 23.
  • the tail sheath 211 has a through hole through which the optical cable 100 passes, and the through hole is disposed corresponding to the outer circumference of the optical cable 100 such that the through hole is tightly fitted to the outer circumference of the optical cable 100.
  • the optical cable 100 can be a ducted butterfly cable, a self-weighing butterfly-shaped drop cable, a self-weighing circular drop cable or a fiber ribbon butterfly cable, and the like, and is selected according to actual needs.
  • the portion of the cable 100 that is inserted into the inner frame 212 is generally stripped, and the fiber inserted into the fiber connector 23 is the fiber in the end of the cable 100.
  • the first frame 21 is mainly inserted into the housing 11 with the inner frame 212 facing the end of the housing 11. Therefore, the buckle 24 is disposed on the outer circumference of the inner frame 212 facing the end of the housing 11, and the tail sheath 211 is The inner frame 212 is sleeved at one end away from the other end of the housing 11.
  • the connection between the tail sheath 211 and the inner frame sleeve 212 can be achieved by a snap-on method. As shown in FIG.
  • an elastic buckle 214 is disposed on one end of the inner casing 211 corresponding to the tail sheath 212 (the end away from the casing 11 ), and the tail sheath 211 is correspondingly provided with a buckle hole 215 ; 214 is fastened in the buckle hole 215 to realize the connection between the tail sheath 211 and the inner frame sleeve 212; when splitting, the elastic buckle 214 is pressed down to be disengaged from the buckle hole 215, and the tail sheath 211 and the inner frame sleeve 212 are Leave.
  • the inside of the inner frame sleeve 212 is also filled with a sealant 213 to seal between the optical cable 100 and the inner frame cover 213.
  • the sealant 213 is arranged to be displaced by pulling out compared to the seal ring, thereby ensuring a sealing effect.
  • the sealant 213 can also be replaced by a sealing ring.
  • the fiber connector 23 is located in one end of the inner frame 212 facing the housing 11, and the sealant 213 is located in the other end of the inner frame 212 away from the housing 11.
  • the second frame sleeve 22 is sleeved outside the inner frame sleeve 212, and can be moved back and forth along the inner frame sleeve 212 as an outer frame sleeve.
  • the second frame 22 clamps the elastic arm 13 in the buckle groove 24, and the elastic arm 13 is restrained from the buckle.
  • the second frame 22 is moved away from the housing 11 to the outer periphery of the inner frame 212 and the housing 11 , the tightening action on the elastic arm 13 is released, and the elastic arm 13 can be removed.
  • the elastic restoring force is released from the buckle groove 24.
  • an elastic returning member 30 for driving the first frame sleeve 21 to be moved after being moved.
  • the elastic return member 30 can drive the second frame sleeve 22 to be pulled without external force. It is always located at the outer periphery of the end of the inner frame sleeve 212 that is inserted into the housing 11 to ensure the tightening action of the second frame sleeve 22 on the elastic arm 13 and also to move the second frame sleeve 22 away from the housing 11
  • the restoring force of the elastic return member 30 is returned to the end of the inner frame sleeve 212 of the housing 11.
  • the inner frame sleeve 212 is further provided with a limiting slot 25 on the outer circumference of the end of the housing 11.
  • the limiting portion 26 is protruded from the inner circumference of the second frame sleeve 22, and the limiting step 26 is defined.
  • the movable connection between the second frame 22 and the inner frame sleeve 212 is movably matched in the longitudinal direction of the limiting slot 25, and the second step 22 is moved back and forth along the limiting slot 25 to realize the second movement.
  • the frame sleeve 22 moves back and forth over the inner frame 212.
  • the elastic returning member 30 is disposed in the limiting slot 25, and one end of the elastic returning member 30 abuts on the side of the limiting step 26 toward the tail sheath 211, and the other end abuts on the tail sheath 211 toward the limiting step 26.
  • One end of the second frame 22 facing the tail sheath 211 may be located at the outer circumference of the corresponding end of the tail sheath 211, thereby closing the elastic return member 30 between the second frame 22 and the inner frame 212.
  • the elastic return member 30 can be spring or other elastic member.
  • a sealing gasket 27 is disposed between the outer periphery of one end of the first frame sleeve 21 inserted in the first end of the housing 11 and the inner circumference of the first end, thereby solving the waterproof problem between the connector assembly 2 and the adapter assembly 1.
  • a receiving groove (not shown) may be disposed on the inner circumference of the first end of the housing 11, and the sealing washer 27 is received in the receiving groove; of course, the receiving groove may also be disposed in the inner frame of the first frame 21 Set of 212 outer weeks.
  • the connector assembly 2 further includes a connector mounting bracket 28 that extends through opposite ends.
  • the fiber connector 23 is disposed in the first frame 21 through the connector mounting bracket 28.
  • the fiber connector 23 is inserted into the connector mount 28, and the connector mount 28 is inserted into the first frame 21.
  • the connector mount 28 is specifically disposed in the inner frame 212.
  • the first end of the housing 11 is provided with two opposite elastic arms 13, and the hook portion 130 is protruded from the elastic arm 13 toward the center of the housing 11;
  • the buckle groove 24 corresponding to the arm 13 may include a groove portion corresponding to the number of the elastic arms 13, so that the hook portion 130 of the elastic arm 13 is respectively engaged therein, and the buckle groove 24 may also be recessed on the outer circumference of the inner frame cover 212. Annular groove.
  • the outer periphery of the housing 11 is further provided with a waterproof gasket 14 for sealing the housing 11 and the external communication device when the adapter assembly 1 is assembled with the external communication device for waterproofing purposes.
  • the outer periphery of the casing 11 is further provided with a mounting portion 15 for fitting with an external communication device, and the waterproof gasket 14 is preferably provided on one side or both sides of the mounting portion 15.
  • the adapter assembly 1 further includes a cap 13; the cap 13 is capped on a second end of the housing 11 opposite the first end.
  • the second end is provided with an external thread
  • the cap 13 is correspondingly provided with an internal thread
  • the cap 13 is screwed to the second end by an internal thread and an external thread.
  • the cap 13 is disposed to cover the fiber optic adapter 12 to prevent the fiber optic adapter 12 from being exposed outside of the housing 11.
  • the adapter assembly 1 and the connector assembly 2 are separately assembled, and the adapter assembly 1 and the connector assembly 2 are relatively inserted.
  • the second frame 22 is first pulled toward the tail sheath 211 to expose the buckle groove 24 of the inner frame 212, and the second end of the casing 11 of the adapter assembly 1 is sleeved around the outer periphery of the inner frame 212. So that the elastic arm 13 overlaps the outer circumference of the inner frame 212 until the hook portion 130 on the elastic arm 13 is engaged into the buckle groove 24, the drawing of the second frame 22 is removed, and the second frame 22 is elastic.
  • the restoring force of the restoring member 30 is axially moved toward the housing 11 along the inner frame sleeve 212 to be sleeved on the outer circumference of the elastic arm 13, thereby tightening the elastic arm 13 to the inner frame sleeve 212.
  • the optical fiber connector 23 can be an MPO type connector, an LC type connector, an SC type connector or an FC type.
  • the connector, etc., the fiber adapter 12 can be an MPO type adapter, an LC type adapter, an SC type adapter, or an FC type adapter, etc., specifically According to the actual situation, various types of optical cables can be connected together to improve the flexibility of the optical fiber connector.

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

Abstract

L'invention porte sur un connecteur de fibre optique qui comporte un ensemble adaptateur (1) et un ensemble raccord (2). L'ensemble adaptateur (1) comporte un boîtier (11) et un adaptateur de fibre optique (12), une première extrémité du boîtier (11) étant pourvue d'au moins un bras élastique (13) ayant un crochet. L'ensemble raccord (2) comporte un premier cadre (21), un raccord de fibre optique (23) et un second cadre (22). Une rainure d'encliquetage (24) est disposée sur la périphérie de l'extrémité du premier cadre (21) faisant face au boîtier (11). Le premier cadre (21) est enfiché dans la première extrémité du boîtier (11) par l'intermédiaire de l'extrémité dirigée vers le boîtier (11), le raccord de fibre de optique (23) est enfiché dans l'adaptateur de fibre optique (12), le crochet du bras élastique (13) s'encliquette dans la rainure d'encliquetage (24), et le second cadre (22) est disposé sur la périphérie du premier cadre (21) et du bras élastique (13) de façon à cercler étroitement le crochet dans la rainure d'encliquetage (24). L'ensemble adaptateur est relié à l'ensemble raccord par l'assemblage du bras élastique et de la rainure d'encliquetage, permettant une manipulation facile.
PCT/CN2014/081627 2014-07-04 2014-07-04 Connecteur de fibre optique WO2016000248A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/081627 WO2016000248A1 (fr) 2014-07-04 2014-07-04 Connecteur de fibre optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/081627 WO2016000248A1 (fr) 2014-07-04 2014-07-04 Connecteur de fibre optique

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WO2016000248A1 true WO2016000248A1 (fr) 2016-01-07

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109425937A (zh) * 2017-08-23 2019-03-05 泰科电子(上海)有限公司 光纤连接器
CN109451703A (zh) * 2018-11-03 2019-03-08 国网河南省电力公司驻马店供电公司 一种针对无人机指令的规约转换装置
CN109932787A (zh) * 2018-04-28 2019-06-25 讯达康通讯设备(惠州)有限公司 一种可拆卸式的双联四芯连接器组件
CN110556660A (zh) * 2019-09-30 2019-12-10 宁波宇月汽车配件科技有限公司 直流充电枪
EP3637163A1 (fr) * 2018-10-08 2020-04-15 Yangtze Optical Fibre And Cable Joint Stock Limited Company Connecteur de fibre optique étanche facile à insérer
CN115437081A (zh) * 2022-07-27 2022-12-06 中航光电科技股份有限公司 一种隔爆连接器
CN116880015A (zh) * 2023-07-20 2023-10-13 宏安集团有限公司 一种具有环境监测功能的蝶缆
CN116908967A (zh) * 2023-09-11 2023-10-20 无限光通讯(深圳)有限公司 一种防水光纤连接器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515434A (en) * 1983-03-09 1985-05-07 Allied Corporation Fiber optic connector
US6425693B2 (en) * 2000-05-25 2002-07-30 International Business Machines Corporation Optical fiber connector
CN102870023A (zh) * 2012-06-26 2013-01-09 华为技术有限公司 光纤连接头、光纤适配器及光纤连接器
CN103018844A (zh) * 2011-09-23 2013-04-03 泰科电子(上海)有限公司 光纤连接器插头
CN103185924A (zh) * 2011-12-27 2013-07-03 鸿富锦精密工业（深圳）有限公司 防水光纤连接器及其光纤插头和光纤适配器
CN203502624U (zh) * 2013-07-22 2014-03-26 深圳日海通讯技术股份有限公司 光纤连接器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515434A (en) * 1983-03-09 1985-05-07 Allied Corporation Fiber optic connector
US6425693B2 (en) * 2000-05-25 2002-07-30 International Business Machines Corporation Optical fiber connector
CN103018844A (zh) * 2011-09-23 2013-04-03 泰科电子(上海)有限公司 光纤连接器插头
CN103185924A (zh) * 2011-12-27 2013-07-03 鸿富锦精密工业（深圳）有限公司 防水光纤连接器及其光纤插头和光纤适配器
CN102870023A (zh) * 2012-06-26 2013-01-09 华为技术有限公司 光纤连接头、光纤适配器及光纤连接器
CN203502624U (zh) * 2013-07-22 2014-03-26 深圳日海通讯技术股份有限公司 光纤连接器

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109425937A (zh) * 2017-08-23 2019-03-05 泰科电子(上海)有限公司 光纤连接器
CN109932787B (zh) * 2018-04-28 2024-01-02 讯达康通讯设备(惠州)有限公司 一种可拆卸式的双联四芯连接器组件
CN109932787A (zh) * 2018-04-28 2019-06-25 讯达康通讯设备(惠州)有限公司 一种可拆卸式的双联四芯连接器组件
EP3637163A1 (fr) * 2018-10-08 2020-04-15 Yangtze Optical Fibre And Cable Joint Stock Limited Company Connecteur de fibre optique étanche facile à insérer
CN109451703A (zh) * 2018-11-03 2019-03-08 国网河南省电力公司驻马店供电公司 一种针对无人机指令的规约转换装置
CN109451703B (zh) * 2018-11-03 2024-03-01 国网河南省电力公司驻马店供电公司 一种针对无人机指令的规约转换装置
CN110556660A (zh) * 2019-09-30 2019-12-10 宁波宇月汽车配件科技有限公司 直流充电枪
CN115437081A (zh) * 2022-07-27 2022-12-06 中航光电科技股份有限公司 一种隔爆连接器
CN115437081B (zh) * 2022-07-27 2024-05-14 中航光电科技股份有限公司 一种隔爆连接器
CN116880015A (zh) * 2023-07-20 2023-10-13 宏安集团有限公司 一种具有环境监测功能的蝶缆
CN116880015B (zh) * 2023-07-20 2024-03-29 宏安集团有限公司 一种具有环境监测功能的蝶缆
CN116908967A (zh) * 2023-09-11 2023-10-20 无限光通讯(深圳)有限公司 一种防水光纤连接器
CN116908967B (zh) * 2023-09-11 2023-11-24 无限光通讯(深圳)有限公司 一种防水光纤连接器

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