CN2550784Y - Small packaged optical fibre connector - Google Patents

Small packaged optical fibre connector Download PDF

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Publication number
CN2550784Y
CN2550784Y CN 02278013 CN02278013U CN2550784Y CN 2550784 Y CN2550784 Y CN 2550784Y CN 02278013 CN02278013 CN 02278013 CN 02278013 U CN02278013 U CN 02278013U CN 2550784 Y CN2550784 Y CN 2550784Y
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CN
China
Prior art keywords
outer sleeve
small
front
optical fiber
connector
Prior art date
Application number
CN 02278013
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Chinese (zh)
Inventor
刘厚兵
朱兆晦
王应勤
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武汉太空光纤通信有限公司
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Priority to CN 02278013 priority Critical patent/CN2550784Y/en
Application granted granted Critical
Publication of CN2550784Y publication Critical patent/CN2550784Y/en

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Abstract

The utility model discloses a small-package optical fiber connector, belonging to an optical fiber connecting element, which mainly comprises a core insert, a core insert seat, a sleeve tube and an outer sleeve. The utility model is characterized in that the shape of the front end of the core insert seat is identical to the shape and the size of the corresponding part of the inner cavity of the front outer sleeve, and the shapes and the sizes of the inner cavity of the front end and the suited optical fiber core insert are identical; a small salience is arranged at the outer parts of the two sides of the rear outer sleeve, a small square through hole is arranged at the corresponding part of the front outer sleeve to just facilitate the small salience to be clipped into the hole, and an opening slot is arranged at the upper part of the front outer sleeve. The utility model has rational design and high technical index. The core insert seat is positioned and locked with the outer sleeve together; the front outer sleeve also can be locked with the rear outer sleeve together, thereby, the accurate positioning of each part can be ensured, and the operation is reliable. The connector can ensure the density of the equipment jack to be maximized, and is easy for quick arrangement, is extremely suitable for multi-mode and single mode optical fiber, and can be used for the applications of telecommunication, instruments, circuits or data communication gigabit.

Description

小封装光纤连接器 The fiber optic connector small package

技术领域 FIELD

本实用新型属于光纤连接元件,尤其是一种小封装的光纤连接元件。 The present invention belongs to the fiber optic connection element, in particular a fiber optic connection elements in small packages.

背景技术 Background technique

随着通讯的发展,新建的音频、视频、数据传输网络越来越多,并且越来越需要光纤化。 With the development of communication, the new audio, video and data transmission networks more and more, and the growing need for fiber optic technology. 而用光纤作载体,目前是8公里一个光节点,照现在的发展速度,预计到2004年就是每4.1公里一个光节点。 The optical fiber as a carrier, is now a mere node 8 km, according to the current rate of development, is expected by 2004 is a mere node every 4.1 km. 分配光缆或跨接光缆的光纤配线架的面板,容量要求越来越大,而对连接器的外型尺寸要求越来越少,目前的连接器的外型尺寸已经只是前几年产品的一半,这种小封装的连接器对于推进光纤到家有革命性的意义。 Distribution cables jumper cables or fiber optic patch panels, increasing capacity requirements, while the dimensions of the connector requires less and less, the current dimensions of connector products have been only a few years ago half, this connector has a small package revolutionary significance for promoting fiber to the home.

发明内容 SUMMARY

本实用新型的目的是提供一种小封装的光纤连接器,它设计合理,多项技术指标有新的突破,可用于多用途。 The object of the present invention is to provide a small package of optical fiber connector, it is reasonable design, a number of technical breakthrough new indicators, can be used for multi-purpose.

本实用新型的目的是这样实现的:一种小封装光纤连接器,主要由光纤插芯、插芯座、护套管、前后外套组成,其特别之处在于:插芯座是一个具有二级通透空腔的金属连接座,其前端内腔与套插的光纤插芯的外形及尺寸相一致,其前端外形制成与套接的前外套内腔相应部位形状和尺寸一致的棱柱形加棱台形或圆台形,其中段的圆台的夹角为40°至50°;后外套套接部位的两侧外部设置有小凸起,前外套套接部位的两侧壁设置有相互套接时正好让上述小凸起卡进其中的小四方通孔,前外套套接部位的正上方还设置有一个退出套接时可适当扩大的开口槽。 The object of the present invention is realized: a fiber optic connector, a small package, the main optical fiber ferrule, ferrule holder, the jacket tube, the jacket front composition, which is unique in that: a ferrule holder having two transparent cavity connecting metal fitting which is inserted the distal end of the sheath lumen and the shape and size of the optical fiber ferrule consistent consistent with the socket formed in its front end before the outer shape and dimensions of the lumen of the corresponding parts of prismatic shape plus bevel-shaped or truncated cone, wherein the angle of the truncated cone section is 40 ° to 50 °; both sleeved jacket provided outside the rear portion of a small projection, both sides have each socket outer wall of the front portion of the socket is provided just let the small-square through hole into which the small convex card, directly above the front portion of the outer socket is also provided with a slot opening may be enlarged when the appropriate exit socket.

连接器中的光纤插芯的光纤插孔的孔径为φ0.1250+0.001,材料密度应大于5.9g/cm3,同轴度普通级为0.0014,较高度为0.001,高级为0.0005。 Aperture of the fiber insertion hole of the optical fiber connector ferrule is φ0.1250 + 0.001, a material density greater than 5.9g / cm3, coaxially general level of 0.0014, compared with a height of 0.001, 0.0005 advanced.

连接器中后外套上的小凸起的截面形状为直角三角形,其斜边与轴线平行,直角向上翘起,30度角靠前,使套接时便于插进,60度角靠后,保证插接后插紧锁固。 Sectional shape of the small connector on the rear outer convex right-angled triangle, its hypotenuse parallel to the axis, at right angles to the upward tilt of 30 degrees forward, so that when inserted into the socket to facilitate, by 60 degrees, to ensure solid lock plug after insertion.

本实用新型设计合理,技术指标高。 Utility model has reasonable design, high technical specifications. 在连接器中插芯座是一个核心部件,其前端外形设计的棱柱形加棱台形或圆台形与前外套内腔的相应位置的形状和尺寸完全一致,使插芯座可以与外套定位和锁紧在一起,其前端内腔与所插接的插芯形状及尺寸相一致,以保证插芯和插芯座的同轴度,其中段的圆台及其夹角保证了弹簧受力后插芯座定位准确,使用可靠;前、后外套上的小凸起和小四方通孔的配合,将前后外套锁紧在一起,从而保证了各部件的定位准确,使用可靠;前外套上方所设置的开口槽,可以保证退出插接状态时,起动此小槽即可以将前后外套分开。 In the connector ferrule is a seat core member, the shape and size plus the corresponding bevel-shaped or truncated cone position with the front end of the front outer lumen prismatic shape designed exactly the same, so that the ferrule holder can be positioned and locked with the outer sleeve secured together, the front end of the ferrule lumen docked consistent shape and size to ensure concentricity of the ferrule and ferrule holder, and wherein the angle between the truncated cone section of the spring force ensures that the ferrule Block positioning accuracy, reliable; before, the small projections and small square fit through holes on the back of the jacket, the jacket front locked together, thus ensuring accurate positioning of each member, and reliable use; coat provided over the front open slots, ensures exit fitted state, i.e. starting this small grooves can be separated before and after the coat. 本实用新型光纤连接器的技术指标如下:500次插拨重复性≤0.2dB;插损≤0.3dB;回损,SPC≥45dB,UPC≥50dB;互换性≤0.2dB;工作温度-20~+70℃;适用于多模、单模光纤。 The fiber optic connector of the present invention, the following technical specifications: 500 pluggable repeatability ≤0.2dB; insertion loss ≤0.3dB; return loss, SPC≥45dB, UPC≥50dB; interchangeability ≤0.2dB; Working temperature -20 ~ + 70 ℃; suitable for multimode, single-mode fiber.

附图说明 BRIEF DESCRIPTION

附图1是本实用新型小封装光纤连接器装配示意图;附图2是插芯和插芯座结合示意图;附图3是后外套的剖面示意图;附图4是后外套的俯视示意图;附图5是后外套的左视示意图;附图6是前外套的剖面示意图;附图7是前外套的俯视示意图;附图8是前外套的左视示意图。 1 is a small package of the present invention a fiber optic connector assembly schematic diagram; Figure 2 is a schematic view of the ferrule and the ferrule holder binding; Figure 3 is a cross-sectional view after coat; Figure 4 is a schematic plan view of the outer sleeve; drawings 5 is a schematic view of the left jacket; Figure 6 is a schematic cross-sectional view of the front outer sleeve; Figure 7 is a schematic plan view of the front outer sleeve; Figure 8 is a schematic front view of the left sleeve.

附图中标记分述如下:1——光纤插芯;2——前外套;3——插芯座;4——弹簧;5——后外套;6——护套;7——金属护管;8--后外套突出柄;9——小凸起;10-小四方通孔;11——前外套突出柄;12——前外套内腔棱柱形部位;13——开口槽;14——光纤插孔;15——插芯座前端棱柱形部位;16——承接光纤插芯的内腔;17——中段圆台。 BRIEF winning score as follows: 1-- optical fiber ferrule; 2-- front jacket; 3-- ferrule holder; 4-- spring; 5-- the jacket; 6-- sheath; 7-- metal sheath tube; 8-- the outer projecting shank; 9-- small bumps; 10- small square through hole; 11-- front outer projecting shank; 12-- front outer lumen prismatic portion; 13-- opening groove; 14 - an optical fiber insertion hole; 15-- front end of the ferrule holder prismatic portion; 16-- lumen receiving optical fiber ferrules; 17-- middle truncated cone.

具体实施方式 Detailed ways

下面结合附图对本实用新型的具体实施方式作进一步详细的描述。 The drawings of the present invention specific embodiments described in further detail below in conjunction. 如图1至8所示,光纤插芯1的尾端插在插芯座3的前部开口腔16内,插芯座3的尾端与护套6相套接,弹簧4套在护套6上;金属护管7的无台阶端插进后外套5的后部内腔中,并一直推到预定能顶住弹簧4的位置上;前外套2顺着突出柄的方向套在光纤插芯1和插芯座3上,使前外套2的六棱柱形部位12正好与插芯座3的六棱柱体相配合,定位准确,卡锁紧密,保证了插芯1和插芯座3的同轴度;后外套5亦顺着突出柄的方向套在护套6、弹簧4和插芯座3上,当前后外套套接部分全部套接到位时,后外套5上的小凸起9正好与前外套上的小四方通孔10相卡扣,此时套内受力的弹簧4正好顶在插芯座3的中段圆台17和金属护管7之间,整个内部部件全部处于准确定位,插紧锁固状态,从而保证连接器使用可靠。 1 to 8, the trailing end of a optical fiber ferrule is inserted in the ferrule portion 3 of the seat front open cavity 16, with the trailing end of the ferrule holder relative to the socket 6 of the sheath 3, the spring sets of the sheath 4 6; rear outer lumen 5 after the step-free end of the metal tube 7 is inserted into the guard, and has been pushed to a predetermined position of the spring 4 can withstand the; 2 along the front outer sleeve in the direction of the shank projecting fiber ferrule 1 and 3 on the ferrule holder, coat the front part 2 of 12 hexagonal prism just cooperate with hexagonal prism ferrule holder 3, accurate positioning, latching closely to ensure that the ferrule and ferrule holder with 1 3 degree axis; 5 also along the outer shank projecting direction of the sheath sleeve 6, the spring seats 4 and the ferrule 3, the current portion of the outer socket all sockets in place, the small projection on the rear outer sleeve 59 just small square and 10 with a snap-through holes in the front coat, jacket force of the spring at this time exactly between the top 4 in the ferrule holder 7 3 circular truncated cone 17 and middle metal protection pipe, the entire internal components are all in the accurate positioning, interpolation locked solid state, thus ensuring reliable connector. 前外套2上的开口槽13是为连接器退出套接状态而设置的,要将连接器前后外套分开时,用小起子在此槽中稍加外力,使前外套2的套接部位稍加扩大,即可将前后外套分开。 Open groove 13 on the jacket 2 is before exit connector socket set state, when the front and rear connectors are separated To coat, with a small screwdriver in this slot little force, so that the front portion 2 of the outer socket slightly expand, you can separate the front and back jacket.

本实用新型的小封装光纤连接器,可用于线路、仪表与仪表的连接,配线架中密度增加一半;此光纤连接器是以双芯连接器形式出现的,需要时,可以分为两个单芯连接器,也可以作带状光缆连接器使用。 Small package of the present invention an optical fiber connector, for the connection line, the meter and the meter, increasing the density distribution frame half; the optical fiber connectors are duplex connector of the form, when needed, can be divided into two single-core connector may be used as a ribbon cable connector. 此小封装光纤连接器可使设备插孔密度达到最大,并且易于快捷安装,适用于多模、单模光纤,可用于电信、仪器仪表、线路、或数据通信千兆比特应用;可用于φ2.0~2.5mm光缆,适合0.9/1.25mm光纤加工成不同长度的跳线,或截成引线或插头。 This small package enables the device to an optical fiber connector receptacle maximum density, fast and easy to install, suitable for multimode, single mode fiber, can be used for telecommunications, instrumentation, line, or a data communication gigabit applications; available for φ2. 0 ~ 2.5mm cable, for 0.9 / 1.25mm jumper fiber processed into different lengths, or cut into a lead or connector.

Claims (3)

1.一种小封装光纤连接器,主要由光纤插芯、插芯座、护套管、前后外套组成,其特征在于:插芯座(3)是一个具有二级通透空腔的金属连接座,其前端内腔(16)的形状和尺寸与套插的光纤插芯的外形及尺寸相一致,其前端外形制成与套接的前外套(2)内腔相应部位(12)形状和尺寸一致的棱柱形(15)加棱台形或圆台形,其中段的圆台形(17)的夹角为40°至50°;后外套(5)套接部位的两侧外部设置有小凸起(8),前外套(2)套接部位的两侧壁设置有相互套接时正好让上述小凸起(8)卡进其中的小四方通孔(10),前外套(2)套接部位的正上方还设置有一个退出套接时可适当扩大的开口槽(13)。 An optical fiber connector small package mainly by the fiber ferrule, ferrule holder, the jacket tube, the jacket front, and is characterized in that: the ferrule holder (3) is a metallic connector having two transparent cavity seat, which lumen the distal end (16) of shape and size insertable shape and size of the fiber stub consistent, (2) a corresponding portion of the lumen of the tip shape and the socket is made of a front housing (12) and shape prismatic uniform size (15) was added bevel-shaped or truncated cone, wherein the angle between the truncated cone shaped section (17) is from 40 ° to 50 °; the jacket (5) is provided outside on both sides of the sleeved portion of a small projection (8), the front outer sleeve (2) is provided on both sides of the wall socket site just let said small projections (8) each time the card socket into a small square through hole (10) therein, the front outer sleeve (2) is sleeved positive upper portion is also provided with a slot opening (13) when the socket may be suitably expanded exit.
2.根据权利要求1所述的连接器,其特征在于:光纤插芯(1)的光纤插孔(14)的孔径为φ0.1250+0.001,材料密度大于5.9g/cm3,同轴度普通级为0.0014,较高度为0.001,高级为0.0005。 2. The connector according to claim 1, wherein: the optical fiber ferrule (1) of the fiber insertion hole (14) having a pore size φ0.1250 + 0.001, a material density greater than 5.9g / cm3, common concentricity level 0.0014, compared with a height of 0.001, senior 0.0005.
3.根据权利要求1或2所述的连接器,其特征在于:所述的小凸起(8)的截面形状为直角三角形,其斜边与轴线平行,直角向上翘起,其30度角靠前,60度角靠后。 3. The connector of claim 1 or claim 2, wherein: the sectional shape of the small projections (8) of a right triangle, the hypotenuse parallel to the axis, at a right angle upward tilt, which is 30 degrees front, 60-degree angle on the list.
CN 02278013 2002-06-14 2002-06-14 Small packaged optical fibre connector CN2550784Y (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100480758C (en) 2004-06-30 2009-04-22 泰科电子公司 Small form factor and field-installable connector
CN101504475A (en) * 2004-03-24 2009-08-12 康宁光缆系统有限责任公司 Optical fiber connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101504475A (en) * 2004-03-24 2009-08-12 康宁光缆系统有限责任公司 Optical fiber connector
CN100480758C (en) 2004-06-30 2009-04-22 泰科电子公司 Small form factor and field-installable connector

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