WO2012037727A1 - 一种光纤连接器及其装配方法 - Google Patents

一种光纤连接器及其装配方法 Download PDF

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Publication number
WO2012037727A1
WO2012037727A1 PCT/CN2010/077235 CN2010077235W WO2012037727A1 WO 2012037727 A1 WO2012037727 A1 WO 2012037727A1 CN 2010077235 W CN2010077235 W CN 2010077235W WO 2012037727 A1 WO2012037727 A1 WO 2012037727A1
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WO
WIPO (PCT)
Prior art keywords
ferrule
optical fiber
ferrule assembly
cavity
assembly
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PCT/CN2010/077235
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English (en)
French (fr)
Inventor
王七月
杨国
夏志刚
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深圳日海通讯技术股份有限公司
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Priority to PCT/CN2010/077235 priority Critical patent/WO2012037727A1/zh
Publication of WO2012037727A1 publication Critical patent/WO2012037727A1/zh

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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
    • G02B6/3869—Mounting ferrules to connector body, i.e. plugs
    • G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
    • G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading 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
    • G02B6/389—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

Definitions

  • the invention relates to the technical field of optical fiber connecting devices, in particular to a fiber optic connector and an assembling method thereof.
  • optical fiber has been widely used as a high-speed, broadband data communication connection device.
  • the common structure of the optical fiber is from the inner to the outer core, the coating layer, the tight layer, the spun layer, and the protective jacket are sequentially coated.
  • the assembly structure of the existing optical fiber connector is mostly glued and then inserted into the optical fiber.
  • the conventional connector housing mostly adopts a front housing a and a rear housing b assembly structure.
  • the optical connector of the structure is as shown in FIG.
  • the strength of the joint of the outer casing is poor; in addition, when the volume becomes small, it is difficult to pierce the conventional connector.
  • the object of the present invention is to provide a fiber optic connector with novel structure, high strength, few components, convenient assembly and fiber insertion, and two assembly methods provided for the deficiencies of the prior art.
  • the present invention is a fiber optic connector, comprising: a housing body, a ferrule assembly, an elastic component, and a cover plate having a cavity communicating with each other in the front and rear, and a side surface of the housing body is further disposed There is an opening; the ferrule assembly and the elastic member are assembled in the cavity through the opening after assembly.
  • the ferrule assembly may be formed by an integral component, or may be composed of a ferrule and a ferrule tailstock.
  • the front end of the ferrule tailstock has a insertion slot, and the rear end of the ferrule tailstock is opened and connected.
  • the guiding hole of the slot is connected, and one end of the ferrule is fixed in the insertion slot of the ferrule tailstock.
  • a metal tail shank is integrally injection-molded at a rear end of the outer casing body, and a through hole is formed in a center of the metal tail shank, and the through hole communicates with the cavity; a front end through hole is formed at a front end of the outer casing body, and the front end through hole Communicating with the cavity.
  • the front end of the ferrule in the ferrule assembly is exposed through the front end through hole of the outer casing body, and the front end surface of the ferrule tailstock abuts on the inner wall of the front end through hole; the elastic component is sleeved on the ferrule tailstock One end of the elastic member abuts against the ferrule tailstock, and the other end of the elastic member abuts against the inner wall of the cavity; the ferrule tailstock is axially movably mounted in the cavity such that the ferrule tailstock is centered
  • the guiding holes correspond in parallel with the direction in which the optical fibers are inserted.
  • the core hole of the ferrule is filled with a fixing glue, and the tight layer of the fiber after the fiber stripping process is inserted into the cavity through the through hole of the metal tail shank of the outer casing body and inserted into the ferrule tailstock.
  • the core of the front end of the optical fiber is inserted into the core hole in the ferrule and then solidified, and the cover plate is fixedly attached to the opening of the housing body.
  • a fixing sleeve and a heat shrinkable sleeve for fixing the fiber spun layer are also sleeved on the metal tail shank.
  • the ferrule tailstock is made of a metal material, and the ferrule is generally made of a ceramic material.
  • the elastic element is a spring.
  • the present invention employs the first assembly method of the above structure, which is assembled from a ferrule assembly, an elastic member, a side-opening casing body, and a cover plate.
  • the method includes the following steps:
  • the elastic component is placed on the ferrule assembly
  • the ferrule assembly and the elastic member are installed in the cavity of the housing body through the opening on the side of the housing body, and one end of the elastic member is abutted on the ferrule assembly, and the other end of the elastic member is abutted in the cavity.
  • the inner wall On the inner wall
  • a fixing glue is dropped into the ferrule assembly to fill the core hole of the ferrule assembly;
  • the insertion end of the optical fiber is inserted into the cavity from the rear end of the casing body and inserted into the core hole in the ferrule assembly;
  • the ferrule assembly is heated and solidified, so that the core of the optical fiber is fixed in the core hole in the ferrule assembly;
  • the cover is closed on the side opening of the outer casing body.
  • the present invention adopts a second assembly method of the above structure, which is assembled from a ferrule assembly, an elastic member, a side-opening casing body, and a cover plate.
  • the method includes the following steps:
  • the insertion end of the optical fiber is inserted into the cavity from the rear end of the casing body, and the elastic component is placed on the insertion end of the optical fiber;
  • a fixing glue is dropped into the ferrule assembly to fill the core hole of the ferrule assembly;
  • the ferrule assembly is heated and solidified, so that the core of the optical fiber is fixed in the core hole in the ferrule assembly;
  • the ferrule assembly, the elastic component and the fiber insertion end are installed in the cavity of the casing body through the opening on the side of the casing body, and one end of the elastic component is abutted on the ferrule assembly, and the other end of the elastic component is abutted On the inner wall of the cavity;
  • the cover is closed on the side opening of the outer casing body.
  • the above two assembly methods further include the following final steps: the fixing sleeve previously sleeved on the optical fiber is sleeved on the metal tail shank integrally molded with the outer casing body, and then the heat shrinkable sleeve pre-sleeved on the optical fiber is further tightened.
  • the sleeve is fixed on the fixed sleeve by heat shrinkage.
  • the present invention has the following advantages:
  • the outer casing body of the present invention is an integral component, its strength is high, overcoming the drawbacks of the conventional front and rear assembled connector housing structure: when the density of the optical fiber connector is higher and the volume becomes smaller to a certain extent The strength of the joint of the fiber optic connector housing is poor;
  • the outer casing body of the present invention has a side opening, the size and shape of the cavity in the outer casing body can be opened as needed, and the size and shape of the cavity in the conventional sealed outer casing are limited by the process of opening the mold;
  • the optical fiber connector of the present invention has few components and low production cost.
  • Figure 1 is a schematic cross-sectional view of a conventional front and rear assembled connector.
  • FIG. 2 is a schematic cross-sectional view of a fiber optic connector of the present invention.
  • FIG 3 is a perspective exploded view of the optical fiber connector of the present invention.
  • FIG. 4 is a schematic perspective view of a three-dimensional assembly of the optical fiber connector of the present invention.
  • FIG. 5 is a second perspective view of the optical fiber connector of the present invention.
  • FIG. 1 is a schematic cross-sectional structural view of a conventional front and rear assembled connector.
  • Most of the conventional connector housings are assembled by a front housing a and a rear housing b.
  • the density of the optical fiber connector is higher and the volume is smaller, the volume is reduced to a certain extent.
  • the strength of the joint of the fiber optic connector housing of this structure is poor;
  • the present invention is a fiber optic connector, comprising: a housing body 10, a ferrule assembly 20, an elastic member 30, and a cover plate 40.
  • the housing body 10 has a cavity 11 communicating with the front and the rear.
  • An opening 12 is also provided on the side of the housing body; the ferrule assembly 20 and the resilient member 30 are assembled and disposed within the cavity 11 through the opening 12.
  • the ferrule assembly 20 may be formed by an integral component, or may be composed of a ferrule 21 and a ferrule tailstock 22, the front end of the ferrule tailstock 22 having a insertion slot 221, the rear of the ferrule tailstock 22 A guide hole 222 communicating with the insertion slot 221 is opened, and one end of the ferrule 21 is fixed in the insertion slot 221 of the ferrule tailstock 22.
  • a metal tail shank 50 is integrally molded at the rear end of the outer casing body 10.
  • the metal tail shank 50 has a through hole 51 in the center thereof, and the through hole 51 communicates with the cavity 11; a front end is opened at the front end of the outer casing body 10.
  • a through hole 13 communicating with the cavity 11 is provided.
  • the front end of the ferrule 21 in the ferrule assembly 20 is exposed through the front end through hole 13 of the outer casing body 10, and the front end surface of the ferrule tailstock 221 abuts on the inner wall of the front end through hole 13; the elastic member 30 Socketed on the ferrule tailstock 22 and one end of the elastic member 30 abuts against the ferrule tail 22 seat, the other end of the elastic member 30 abuts against the inner wall 14 of the cavity; the ferrule tailstock 22 is axially movable In the cavity 11, the guide hole 222 at the center of the ferrule tailstock 22 is parallel to the insertion direction of the optical fiber 60.
  • the fixing hole is filled in the core hole 211 of the ferrule 21, and the tight layer 61 of the fiber 60 after the fiber removal process is inserted into the cavity 11 through the through hole 51 of the metal tail shank 50 at the rear end of the casing body 10.
  • the core 62 of the front end of the optical fiber 60 is inserted into the core hole 211 of the ferrule 21 and then solidified.
  • the cover 40 is fixedly attached to the outer casing body. 10 openings 12.
  • a fixing sleeve 70 for fixing the fiber spun layer 63 and a heat shrink sleeve 80 are also sleeved on the metal tail shank 50, and the fixing sleeve 70 can be made of aluminum.
  • the ferrule tailstock 22 is made of a metal material, and the ferrule 21 is generally made of a ceramic material.
  • the elastic element 30 is a spring.
  • the present invention employs a first assembly method of the above structure, which is assembled from a ferrule assembly 20, an elastic member 30, a housing body 10 of a side opening 12, and a cover 40, the method comprising Have the following steps:
  • the elastic member 30 is sleeved on the ferrule assembly 20;
  • the ferrule assembly 20 and the elastic member 30 are mounted in the cavity 11 of the housing body 10 through the opening 12 on the side of the housing body 10, and one end of the elastic member 30 is abutted on the ferrule assembly 20, and the elastic member 30 The other end is abutted on the inner wall 14 of the cavity;
  • the fixing glue is dropped into the ferrule assembly 20, and the fixing glue is filled into the core hole 211 of the ferrule assembly 20;
  • the insertion end of the optical fiber 60 is inserted into the cavity 11 from the rear end of the casing body 10 and inserted into the core hole 211 in the ferrule assembly 20;
  • the ferrule assembly 20 is heated and solidified, so that the core 62 of the optical fiber 60 is fixed in the core hole 211 in the ferrule assembly 20;
  • the cover 40 is capped on the side opening 12 of the casing body 10.
  • the present invention employs a second assembly method of the above structure, which is assembled from the ferrule assembly 20, the elastic member 30, the outer casing body 10 of the side opening 12, and the cover 40.
  • the method includes the following steps:
  • the insertion end of the optical fiber 60 is inserted into the cavity 11 from the rear end of the casing body 10, and the elastic member 30 is placed on the insertion end of the optical fiber 60;
  • a fixing glue is dropped into the ferrule assembly 20 to fill the fixing hole into the core hole 211 of the ferrule assembly 20;
  • the ferrule assembly 20 is heat-cured, and the core 62 of the optical fiber 60 is fixed in the core hole 211 in the ferrule assembly 20;
  • the ferrule assembly 20, the elastic member 30, and the insertion end of the optical fiber 60 are installed in the cavity 11 of the casing body 10 through the opening 12 on the side of the casing body 10, and one end of the elastic member 30 is abutted on the ferrule assembly 20.
  • Upper end of the elastic member 30 abuts against the inner wall 14 of the cavity;
  • the cover 40 is capped on the side opening 12 of the casing body 10.
  • the above two assembly methods further include the following final steps: the fixing sleeve 70 pre-sleeved on the optical fiber 60 is sleeved on the metal tail shank 50 integrally molded with the outer casing body 10, and then fastened, and then pre-sleeved in the optical fiber.
  • the heat shrinkable sleeve 80 sleeve 60 is fixed to the fixed sleeve 70 by heat shrinkage.
  • the ferrule 21 In use, when the fiber connector is docked, the ferrule 21 is forced to axially displace the compression spring of the ferrule tailstock 22 in the cavity 11. When the fiber connector ferrule is in a non-butted state, under the action of the spring The reset causes the front end face of the ferrule tailstock 22 to abut against the inner wall of the front end through hole 13.
  • the invention adopts the above structure and the two assembling methods, and has the characteristics of high strength, small assembly, convenient assembly, low cost, and convenient mold opening.

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

Description

一种光纤连接器及其装配方法
本发明涉及光纤连接装置技术领域，特指一种光纤连接器及其装配方法。
随着网络科技的发展，光纤作为一种高速、宽带数据通讯连接器件得到了日益广泛的应用。光纤的常用结构是由内到外的纤芯、涂敷层、紧套层、纺纶层，保护外套依次包覆而成，现有光纤连接器的装配结构大都是先点胶再插光纤，如图1所示，传统的连接器外壳大都采用前壳体a和后壳体b组装结构，当光纤连接器密度越来越高而体积变小的一定程度时，这种结构的光纤连接器外壳的连接处的强度较差；另外，当体积变小时，这种传统连接器穿纤较困难。
 技术问题
本发明的目的就是针对现有技术的不足之处而提供的提供一种结构新颖、强度高、部件少、装配穿纤方便的光纤连接器及两种装配方法。
 技术解决方案
为达到上述目的，本发明的内容为一种光纤连接器，包括有：外壳本体、插芯组件、弹性元件、盖板，外壳本体内具有前后相通的空腔，在外壳本体上的侧面还设有开口；插芯组件和弹性元件装配后通过所述开口装设在所述空腔内。
所述插芯组件可由一个整体部件成型，也可由插芯和插芯尾座组成，所述插芯尾座的前端开有插接槽，所述插芯尾座的后端开有与插接槽相通的导向孔，插芯的一端固定在插芯尾座的插接槽内。
在所述外壳本体后端一体注塑成型有金属尾柄，金属尾柄中心开有通孔，该通孔与所述空腔连通；在所述外壳本体前端开有前端通孔，该前端通孔与所述空腔连通。
所述插芯组件中的插芯的前端穿过外壳本体的前端通孔裸露在外，插芯尾座的前端面抵设在开有前端通孔的内壁上；弹性元件套接在插芯尾座上且弹性元件一端抵设在插芯尾座上，弹性元件另一端抵设于所述空腔内壁上；插芯尾座轴向活动装设在所述空腔内使得插芯尾座中心的导向孔与光纤插进方向平行对应。
插光纤配合时，插芯的芯孔内滴有固定胶，剥纤处理后的光纤的紧套层由外壳本体后端金属尾柄的通孔穿进空腔内并插设在插芯尾座中心的导向孔内，光纤前端部的纤芯插设在插芯中的芯孔后固化，所叙盖板卡接固定在外壳本体开口上。
在所述金属尾柄上还套接有固定光纤纺纶层的固定套管和热缩套管。
所述插芯尾座由金属材料制成，插芯一般用陶瓷材料制作。
所述弹性元件为弹簧。
本发明采用上述结构的第一种装配方法，该方法由插芯组件、弹性元件、侧面开口的外壳本体、盖板装配而成，该方法包括有以下步骤：
第一步，将弹性元件套在插芯组件上；
第二步，将插芯组件和弹性元件通过外壳本体侧面的开口装设在外壳本体的空腔内，将弹性元件一端抵设在插芯组件上，弹性元件另一端抵设在所述空腔内壁上；
第三步，在插芯组件内滴入固定胶，使固定胶填充进插芯组件的芯孔内；
第四步，将光纤插入端由外壳本体后端穿进空腔内并插设在插芯组件中的芯孔内；
第六步，对插芯组件进行加热固化，使光纤的纤芯固定在插芯组件内的芯孔内；
第七步，将盖板盖合在外壳本体的侧面开口上。
本发明采用上述结构的第二种装配方法，该方法由插芯组件、弹性元件、侧面开口的外壳本体、盖板装配而成，该方法包括有以下步骤：
第一步，将光纤插入端由外壳本体后端穿进空腔内，再将弹性元件套在光纤插入端上；
第二步，在插芯组件内滴入固定胶，使固定胶填充进插芯组件的芯孔内；
第三步，对插芯组件进行加热固化，使光纤的纤芯固定在插芯组件内的芯孔内；
第四步，将插芯组件、弹性元件及光纤插入端通过外壳本体侧面的开口装设在外壳本体的空腔内，将弹性元件一端抵设在插芯组件上，弹性元件另一端抵设在所述空腔内壁上；
第五步，将盖板盖合在外壳本体的侧面开口上。
以上两种装配方法还包括以下最后步骤：将预先套在光纤上的固定套管套在与外壳本体一体注塑成型的金属尾柄上后紧固，再将预先套在光纤上的热缩套管套在固定套管上加热收缩固定。
 有益效果
采用上述结构和装配方法，本发明具有以下优点：
其一，由于本发明的外壳本体是一个整体部件，因此其强度高，克服了传统的前后组装的连接器外壳结构的缺陷：当光纤连接器密度越来越高而体积变小的一定程度时，光纤连接器外壳的连接处的强度较差；
其二，传统光纤连接器的体积变小时，穿纤装配较困难，而本发明公开的两种装配方法来穿纤装配时，可以用眼睛看着将光纤头插到插芯组件对应的孔中，这两种装配方法方便简单；
其三，由于本发明外壳本体侧面开口，因此，外壳本体内的空腔大小形状就可以根据需要开模，而传统密封的外壳内的空腔大小形状会受到开模的工艺的限制；
其四，本发明光纤连接器部件少、产生成本低。
 附图说明
图1为传统前后组装的连接器剖面结构示意图。
图2为本发明光纤连接器的剖面结构示意图。
图3为本发明光纤连接器的立体分解示意图。
图4为本发明光纤连接器的立体装配示意图一。
图5为本发明光纤连接器的立体装配示意图二。
 本发明的最佳实施方式
图1为传统前后组装的连接器剖面结构示意图，这种传统的连接器外壳大都采用前壳体a和后壳体b组装结构，当光纤连接器密度越来越高而体积变小的一定程度时，这种结构的光纤连接器外壳的连接处的强度较差；
图2-5所示，本发明的内容为一种光纤连接器，包括有：外壳本体10、插芯组件20、弹性元件30、盖板40，外壳本体10内具有前后相通的空腔11，在外壳本体上的侧面还设有开口12；插芯组件20和弹性元件30装配后通过所述开口12装设在所述空腔11内。
所述插芯组件20可由一个整体部件成型，也可由插芯21和插芯尾座22组成，所述插芯尾座22的前端开有插接槽221，所述插芯尾座22的后端开有与插接槽221相通的导向孔222，插芯21的一端固定在插芯尾座22的插接槽221内。
在所述外壳本体10后端一体注塑成型有金属尾柄50，金属尾柄50中心开有通孔51，该通孔51与所述空腔11连通；在所述外壳本体10前端开有前端通孔13，该前端通孔13与所述空腔11连通。
所述插芯组件20中的插芯21的前端穿过外壳本体10的前端通孔13裸露在外，插芯尾座221的前端面抵设在开有前端通孔13的内壁上；弹性元件30套接在插芯尾座22上且弹性元件30一端抵设在插芯尾22座上，弹性元件30另一端抵设于所述空腔内壁14上；插芯尾座22轴向活动装设在所述空腔11内使得插芯尾座22中心的导向孔222与光纤60插进方向平行对应。
插光纤60配合时，插芯21的芯孔211内滴有固定胶，剥纤处理后的光纤60的紧套层61由外壳本体10后端金属尾柄50的通孔51穿进空腔11内并插设在插芯尾座22中心的导向孔222内，光纤60前端部的纤芯62插设在插芯21中的芯孔211后固化，所叙盖板40卡接固定在外壳本体10开口12上。
在所述金属尾柄50上还套接有固定光纤纺纶层63的固定套管70和热缩套管80，固定套管70可用铝制成。
所述插芯尾座22由金属材料制成，插芯21一般由陶瓷材料制成。
所述弹性元件30为弹簧。
如图4-5所示，本发明采用上述结构的第一种装配方法，该方法由插芯组件20、弹性元件30、侧面开口12的外壳本体10、盖板40装配而成，该方法包括有以下步骤：
第一步，将弹性元件30套在插芯组件20上；
第二步，将插芯组件20和弹性元件30通过外壳本体10侧面的开口12装设在外壳本体10的空腔11内，将弹性元件30一端抵设在插芯组件20上，弹性元件30另一端抵设在所述空腔内壁14上；
第三步，在插芯组件20内滴入固定胶，使固定胶填充进插芯组件20的芯孔211内；
第四步，将光纤60插入端由外壳本体10后端穿进空腔11内并插设在插芯组件20中的芯孔211内；
第六步，对插芯组件20进行加热固化，使光纤60的纤芯62固定在插芯组件20内的芯孔211内；
第七步，将盖板40盖合在外壳本体10的侧面开口12上。
 本发明的实施方式
本发明采用上述结构的第二种装配方法，该方法由插芯组件20、弹性元件30、侧面开口12的外壳本体10、盖板40装配而成，该方法包括有以下步骤：
第一步，将光纤60插入端由外壳本体10后端穿进空腔11内，再将弹性元件30套在光纤60插入端上；
第二步，在插芯组件20内滴入固定胶，使固定胶填充进插芯组件20的芯孔211内；
第三步，对插芯组件20进行加热固化，使光纤60的纤芯62固定在插芯组件20内的芯孔211内；
第四步，将插芯组件20、弹性元件30及光纤60插入端通过外壳本体10侧面的开口12装设在外壳本体10的空腔11内，将弹性元件30一端抵设在插芯组件20上，弹性元件30另一端抵设在所述空腔内壁14上；
第五步，将盖板40盖合在外壳本体10的侧面开口12上。
另外，以上两种装配方法还包括以下最后步骤：将预先套在光纤60上的固定套管70套在与外壳本体10一体注塑成型的金属尾柄50上后紧固，再将预先套在光纤60上的热缩套管80套在固定套管70上加热收缩固定。
 工业实用性
使用时，光纤连接器对接时，插芯21受力可使插芯尾座22压缩弹簧在空腔11内沿轴向位移，当光纤连接器插芯处于非对接状态时，在弹簧的作用下复位，又使插芯尾座22的前端面抵设在开有前端通孔13的内壁上。
本发明采用上述结构和两种装配方法后，具备在高密度小体积的情况下仍然保持强度高，装配方便，部件少成本低，开模方便的特点。

Claims (10)

  1. 一种光纤连接器，其特征在于，包括有：外壳本体、插芯组件、弹性元件、盖板，外壳本体内具有前后相通的空腔，在外壳本体上的侧面还设有开口；插芯组件和弹性元件装配后通过所述开口装设在所述空腔内。
  2. 根据权利要求1所述的一种光纤连接器，其特征在于：所述插芯组件由插芯和插芯尾座组成，所述插芯尾座的前端开有插接槽，所述插芯尾座的后端开有与插接槽相通的导向孔，插芯的一端固定在插芯尾座的插接槽内。
  3. 根据权利要求2所述的一种光纤连接器，其特征在于：在所述外壳本体后端一体注塑成型有金属尾柄，金属尾柄中心开有通孔，该通孔与所述空腔连通；在所述外壳本体前端开有前端通孔，该前端通孔与所述空腔连通。
  4. 根据权利要求3所述的一种光纤连接器，其特征在于：所述插芯组件中的插芯的前端穿过外壳本体的前端通孔裸露在外，插芯尾座的前端面抵设在开有前端通孔的内壁上；弹性元件套接在插芯尾座上且弹性元件一端抵设在插芯尾座上，弹性元件另一端抵设于所述空腔内壁上；插芯尾座轴向活动装设在所述空腔内使得插芯尾座中心的导向孔与光纤插进方向平行对应。
  5. 根据权利要求4所述的一种光纤连接器，其特征在于：在所述金属尾柄上还套接有固定光纤纺纶层的固定套管和热缩套管。
  6. 根据权利要求2所述的一种光纤连接器，其特征在于：所述插芯尾座由金属材料制成。
  7. 根据权利要求4所述的一种光纤连接器，其特征在于：所述弹性元件为弹簧。
  8. 一种光纤连接器的装配方法，其特征在于，该方法由插芯组件、弹性元件、侧面开口的外壳本体、盖板装配而成，该方法包括有以下步骤：
    第一步，将弹性元件套在插芯组件上；
    第二步，将插芯组件和弹性元件通过外壳本体侧面的开口装设在外壳本体的空腔内，将弹性元件一端抵设在插芯组件上，弹性元件另一端抵设在所述空腔内壁上；
    第三步，在插芯组件内滴入固定胶，使固定胶填充进插芯组件的芯孔内；
    第四步，将光纤插入端由外壳本体后端穿进空腔内并插设在插芯组件中的芯孔内；
    第六步，对插芯组件进行加热固化，使光纤的纤芯固定在插芯组件内的芯孔内；
    第七步，将盖板盖合在外壳本体的侧面开口上。
  9. 一种光纤连接器的装配方法，其特征在于，该方法由插芯组件、弹性元件、侧面开口的外壳本体、盖板装配而成，该方法包括有以下步骤：
    第一步，将光纤插入端由外壳本体后端穿进空腔内，再将弹性元件套在光纤插入端上；
    第二步，在插芯组件内滴入固定胶，使固定胶填充进插芯组件的芯孔内；
    第三步，对插芯组件进行加热固化，使光纤的纤芯固定在插芯组件内的芯孔内；
    第四步，将插芯组件、弹性元件及光纤插入端通过外壳本体侧面的开口装设在外壳本体的空腔内，将弹性元件一端抵设在插芯组件上，弹性元件另一端抵设在所述空腔内壁上；
    第五步，将盖板盖合在外壳本体的侧面开口上。
  10. 根据权利要求8或9所述的一种光纤连接器的装配方法，其特征在于，所述方法还包括以下最后步骤：将预先套在光纤上的固定套管套在与外壳本体一体注塑成型的金属尾柄上后紧固，再将预先套在光纤上的热缩套管套在固定套管上加热收缩固定。
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