CN104111502A - Optical fiber connector - Google Patents

Optical fiber connector Download PDF

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Publication number
CN104111502A
CN104111502A CN 201410376005 CN201410376005A CN104111502A CN 104111502 A CN104111502 A CN 104111502A CN 201410376005 CN201410376005 CN 201410376005 CN 201410376005 A CN201410376005 A CN 201410376005A CN 104111502 A CN104111502 A CN 104111502A
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CN
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Prior art keywords
hole
guide
flange
sleeve
rear
Prior art date
Application number
CN 201410376005
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Chinese (zh)
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CN104111502B (en )
Inventor
王�琦
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中航光电科技股份有限公司
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Abstract

The invention relates to an optical fiber connector. The optical fiber connector comprises a flange plate and a back sleeve, a guide structure is arranged on the flange plate or the back sleeve, a guide hole is formed in the guide structure, the front end of the guide hole is communicated with an inner hole of the flange plate, the rear end of the guide hole is communicated with an inner hole of the back sleeve, and the guide hole is in a taper shape with the aperture which is gradually reduced from the rear to the front. The guide structure is arranged on the flange plate or the back sleeve so that when glue injection or fiber penetration is performed, a gluing machine needle head or a wire core penetrates from the rear end of the back sleeve, the gluing machine needle head or the wire core can be gradually guided into the inner hole of the flange plate along the tapered hole walls of the guide hole, the gluing machine needle head and a fiber core can be easily inserted into the inner hole of the flange plate, and the assembly success rate of the optical fiber connector is increased.

Description

一种光纤连接器 An optical fiber connector

技术领域 FIELD

[0001] 本发明涉及用于光信号传输的光纤连接器。 [0001] The present invention relates to an optical fiber connector for optical signal transmission.

背景技术 Background technique

[0002] 现有FC、SC等光纤连接器的结构如图1所示:包括前端为插接端的壳体,壳体包括装配在一起的前套4和后套6,壳体上旋转有连接螺母2,壳体中设置有装有插芯1的法兰盘3,法兰盘的后端伸入到后套的内孔中,为保证连接器对接时法兰盘的轴向移动,法兰盘与后套的内孔孔壁之间具有径向间隙5。 Structure [0002] conventional FC, SC and other fiber optic connector shown in Figure 1: a front end of the plug end of the housing, the housing comprising a front casing 4 and fitted together after the sleeve 6, the rotary connecting the housing nut 2, the housing is provided with a flange of the ferrule 3, the rear end flange bore extending into the sleeve, in order to ensure axial movement of the connector when the mating flange, France 5 having a radial clearance between the inner Flanges hole wall and the rear sleeve. 以往光纤连接器采用人工装配,人工将光纤由后至前的穿装在法兰盘的内孔中,然后再将法兰盘装配到壳体中。 Artificial conventional optical fiber connector assembly, the optical fiber means by a manually through the front to the rear in the hole in the flange, then the flange fitting into the housing. 因人工的装配效率较低, 目前正尝试采用自动化装配设备来生产光纤连接器,然而自动化装配的步骤为:先将插芯、 法兰盘、弹簧8、前套、后套等装配好,再进行注胶、剥纤、穿纤及后续的研磨等步骤,因为是先装配零件后注胶、穿纤,法兰盘距后套的后端部比较远,注胶时注胶机头极易被法兰盘的后端面挡住而无法插进法兰盘,最终因胶液溢出法兰盘外而导致装配失败;另外穿纤时极易出现纤芯7进入法兰盘与后套之间的径向间隙,或纤芯插到法兰盘的后端面上而线芯折断,最终导致装配失败。 Due to lower efficiency of artificial assembly, currently trying to use automated assembly equipment to produce the optical fiber connector, however, the step of automated assembly is: first ferrule flange, spring 8, front sleeve, the sleeve is assembled and the like, and then for plastic injection, stripping fiber, and the fiber through a subsequent grinding step, because after the first dispensing assembly parts, wear fiber, after the rear end portion of the flange distant from the sleeve, dispensing head when dispensing highly the rear end surface of the flange can not be inserted into the flange block, the final result of the overflow glue outer flange caused by fitting failure; Further prone 7 enters the core through the web between the flange and the rear sleeve radial clearance, or the rear end surface of the flange into the core of the core broken, resulting in failure of the assembly.

发明内容 SUMMARY

[0003] 本发明的目的在于提供一种在法兰盘后套装配完成后,胶机针头或线芯易于由后之前的插入法兰盘的内孔中的光纤连接器。 [0003] The object of the present invention is to provide a suit with a rear flange-hours to complete, or melter needle easily from the core hole after inserting the flange before the optical fiber connector.

[0004] 为了解决上述问题,本发明的技术方案为: 一种光纤连接器,包括法兰盘和后套,法兰盘或后套上设置有导向结构,导向结构上设有前端与所述法兰盘的内孔连通、后端与所述后套的内孔连通的导向孔,所述导向孔的形状呈由后至前孔径逐渐变小的锥形。 [0004] In order to solve the above problem, the technical solution of the present invention is: an optical fiber connector, comprising a flange and the sleeve, the guide sleeve is provided with a flange structure or the rear, is provided on the front end of said guide structure flange bore communicates with the rear end of the guide bore hole of the rear cover of the communication, the shape of the hole as a guide from the rear to the front aperture becomes progressively smaller tapered.

[0005] 所述的导向结构设置于所述的法兰盘上。 The guide structure is [0005] provided on the flange.

[0006] 所述的导向结构旋装于所述法兰盘后端。 Guide structure [0006] The spin-on flange to the rear end of the disc.

[0007] 所述的导向结构可前后移动的伸入到所述后套的内孔中。 [0007] The structure of the guide movable back and forth extends into the bore of said rear sleeve.

[0008] 所述法兰盘的后端伸入到所述后套的内孔中,所述法兰盘的后端与所述后套的内孔孔壁之间具有径向间隙,所述导向结构的外端位于所述径向间隙中。 [0008] The rear end of the flange extends into the bore of the rear sleeve having radial clearance between the bore hole wall of the rear end of the flange of the rear cover, the the outer end of the guide structure in said radial gap.

[0009] 所述导向孔的大端孔径与所述后套的内孔孔径相同,所述导向孔的小端孔径与所述法兰盘的内孔孔径相同。 [0009] the same as the large end of the aperture hole and the guide post hole diameter inner sleeve, the guide holes in the same hole diameter of the small end flange of the aperture.

[0010] 所述导向孔的大端孔径接近于所述后套的内孔孔径,所述导向孔的小端孔径接近于所述法兰盘的内孔孔径。 [0010] close to the large end of the guide hole of the aperture sleeve within the hole diameter of the guide bore close to the small end of the aperture of the inner hole diameter of the flange.

[0011] 本发明的有益效果为:通过在法兰盘或后套上设置导向结构,在注胶或穿纤时,胶机针头或线芯由后套的后端穿入,胶机针头或线芯会沿着导向孔的锥形孔壁逐渐的被导向至法兰盘的内孔中,这样使得胶机针头和纤芯易于插入法兰盘的内孔中,提高了光纤连接器的装配成功率。 [0011] Advantageous effects of the present invention is: a guide structure provided by the sleeve or the flange, or when dispensing through the fiber, or melter needle penetration by the rear end of the core sleeve, or melter needle core will be gradually along the tapered guide wall of the guide bore hole to the inner hole of the flange, such that the needle and the core melter easy insertion hole of the flange, the improved optical fiber connector assembly Success rate.

附图说明 BRIEF DESCRIPTION

[0012] 图1是本发明中背景技术的结构示意图; 图2是本发明中光纤连接器穿纤过程中的使用状态图; 图3是本发明中光纤连接器穿纤结束后的使用状态图。 [0012] FIG. 1 is a schematic view of the present invention, in the related art; FIG. 2 is a use state of the present invention, a fiber optic connector through the web process; FIG. 3 is a use state view of the end of the present invention, a fiber optic connector through the fiber .

具体实施方式 Detailed ways

[0013] 光纤连接器的实施例如图2~3所示:包括前套10、后套13和前端装有插芯9的法兰盘15,前套上旋装有连接螺母12,法兰盘的后端伸入到后套的内孔中,法兰盘的后端与后套的内孔孔壁之间具有径向间隙,法兰盘的后端旋装有导向结构16,导向结构的外端位于径向间隙中,导向结构伸入到后套的内孔中,同时导向结构与后套的内孔孔壁间隙配合, 这样导向结构便可在后套的内孔中前后移动,不影响连接器对接时法兰盘的轴向运动。 Embodiment [0013] example, optical fiber connector shown in FIG. 2 to 3: 10 includes a front sleeve, and rear sleeve 13 with the distal end 15 of the ferrule flange 9, before the rotating sleeve is connected with the nut 12, the flange the rear end of the bore in the sleeve, between the rear end of a rear flange extending into the bore hole wall and the rear sleeve radial gap, the rear end flange 16 screwed with the guide structure, the guide structure a radially outer end of the gap, the hole structures extending into the guide sleeve while the guide structure in cooperation with the rear cover hole wall clearance, so that the guide structure can be moved back and forth within the bore of the sleeve, not Effect of axial movement when the connector mating flange. 导向结构上设有前端与法兰盘的内孔连通、后端与后套的内孔连通的导向孔17,导向孔的形状呈由后至前孔径逐渐变小的锥形,导向孔的大端孔径与后套的内孔孔径相同,导向孔的小端孔径与法兰盘的内孔孔径相同。 A guide structure provided on the front end of the flange inner bore communicating, with the rear end of the guide hole rear sleeve communicating hole 17 of the guide hole by the rear to the front shape is gradually smaller aperture taper guide macroporous and the inner end of the aperture hole diameter after the sleeve identical, the small end of the bore hole and the aperture guide flange aperture. 图中项11表示弹簧;项14表示尾护套。 Figure 11 represents a spring term; item 14 denotes the end of the sheath.

[0014] 在实际使用时,由于采用了自动装配,法兰盘、前套、后套先装配在一起,然后注胶和穿纤,在穿纤(或注胶)时,光缆18的线芯19 (或胶机针头)由后套的内孔的后端伸入,由于后套的内孔的后端距离法兰盘有一段距离,所以线芯会在所难免的穿偏,此时线芯的前端部被导向孔的孔壁导向而逐渐的插向法兰盘的内孔,从而保证线芯的准确穿装,提高光纤连接器的装配成功率。 [0014] In actual use, the use of automatic assembly, flanges, front sleeve, the first sleeve are assembled together, and then dispensing wear fiber, fiber when wearing (or dispensing), the fiber-optic core 18 19 (melter or needle) from the rear end extends into the inner bore of the sleeve, since the rear end of the sleeve bore at a distance from the flange, the core will be inevitable partial wear, this time line the distal end portion of the wall of the guide hole of the core guide holes are gradually inserted into the hole of the flange so as to ensure accurate reeved wire core, improve the success rate of assembling the optical fiber connector.

[0015] 在本发明的其它实施例中:导向结构还可以与法兰盘一体成型;当然导向结构也可以固装在后套上或与后套一体成型,此时导向结构是固定件,只要导向结构不影响法兰盘的正常轴向移动即可;导向结构还可以通过螺钉固定到后套上;当然,法兰盘的后端也可以不伸入到后套的内孔中,此时导向结构既可以伸入到后套的内孔中也可以仅是位于后套的前侧;导向孔的大端孔径还可以是接近于后套的内孔孔径,导向孔的小端孔径还可以是接近于法兰盘的内孔孔径,这里的接近指的是孔径差在(Timm之间;导向结构与后套的内孔孔壁也可以是滑动导向配合。 [0015] In other embodiments of the present invention: guide structure may also be formed integrally with the flange; course guide structure may be mounted on the rear sleeve fixed or integrally formed with the rear cover, when the guide structure is a fixed member, as long as the guide structure can not affect the normal axial movement of the flange; guide structure may also be fixed by screws to the rear sleeve; of course, the rear end of the flange may also not extend into the inner bore of the sleeve, in which case both guide structure may extend into the bore of the sleeve may be only a rear side of the front cover; the big end of the guide hole aperture may also be close to the inner hole diameter of the sleeve, the guide hole of the small end of the aperture can is close to the hole diameter of the flange, near herein refers to the difference in pore size (between Timm; guide structure and the inner sleeve hole wall may be a sliding fit guide.

Claims (7)

  1. 1. 一种光纤连接器,包括法兰盘和后套,其特征在于:法兰盘或后套上设置有导向结构,导向结构上设有前端与所述法兰盘的内孔连通、后端与所述后套的内孔连通的导向孔, 所述导向孔的形状呈由后至前孔径逐渐变小的锥形。 1. An optical fiber connector, comprising a flange and the sleeve, wherein: the guide sleeve is provided with a flange structure or after the distal end of the inner bore is provided with a flange on the guide structure communication, after the guide hole rear end of the inner bore of the sleeve in communication, the shape of the hole as a guide from the rear aperture to the front taper gradually smaller.
  2. 2. 根据权利要求1所述的光纤连接器,其特征在于:所述的导向结构设置于所述的法兰盘上。 2. The fiber optic connector of claim 1, wherein: said guide structure is disposed on the flange.
  3. 3. 根据权利要求2所述的光纤连接器,其特征在于:所述的导向结构旋装于所述法兰盘后端。 3. The optical fiber connector according to claim 2, wherein: said tray guide structure mounted to the rear end of said rotary flange.
  4. 4. 根据权利要求2所述的光纤连接器,其特征在于:所述的导向结构可前后移动的伸入到所述后套的内孔中。 4. The optical fiber connector according to claim 2, wherein: said guide structure movable back and forth extends into the bore of said rear sleeve.
  5. 5. 根据权利要求2所述的光纤连接器,其特征在于:所述法兰盘的后端伸入到所述后套的内孔中,所述法兰盘的后端与所述后套的内孔孔壁之间具有径向间隙,所述导向结构的外端位于所述径向间隙中。 The optical fiber connector according to claim 2, wherein: said rear flange extends into the bore of the rear cover, the rear end of the rear flange and the sleeve having a radial clearance between the inner hole wall, an outer end of said guide structure in said radial gap.
  6. 6. 根据权利要求1~5任意一项所述的光纤连接器,其特征在于:所述导向孔的大端孔径与所述后套的内孔孔径相同,所述导向孔的小端孔径与所述法兰盘的内孔孔径相同。 1 to 5, according to the optical fiber connector according to any one of the preceding claims, characterized in that: the same as the large end diameter of the guide hole and the hole diameter within the rear sleeve, said guide hole and the small end of the aperture the same inner hole diameter of the flange.
  7. 7. 根据权利要求1~5任意一项所述的光纤连接器,其特征在于:所述导向孔的大端孔径接近于所述后套的内孔孔径,所述导向孔的小端孔径接近于所述法兰盘的内孔孔径。 The optical fiber connector 1 to 5 according to any one of the preceding claims, characterized in that: the large end close to the diameter of the guide bore hole diameter after the inner sleeve, the guiding hole closer to the small end of the aperture the hole diameter of said flange.
CN 201410376005 2014-01-17 2014-08-01 An optical fiber connector CN104111502B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201410021805.4 2014-01-17
CN201410021805 2014-01-17
CN 201410376005 CN104111502B (en) 2014-01-17 2014-08-01 An optical fiber connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201410376005 CN104111502B (en) 2014-01-17 2014-08-01 An optical fiber connector

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CN104111502A true true CN104111502A (en) 2014-10-22
CN104111502B CN104111502B (en) 2016-09-21

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5768455A (en) * 1996-11-19 1998-06-16 Lucent Technologies Inc. Fiber optic connector
US6357933B1 (en) * 1999-03-30 2002-03-19 Lucent Technologies Inc. Quick connect optical fiber ferrule connector
CN202837604U (en) * 2012-10-16 2013-03-27 深圳瀚星翔科技有限公司 Through-type flexible connector of square connector (SC) of physical connection (PC) optical fiber
CN202837602U (en) * 2012-10-16 2013-03-27 深圳瀚星翔科技有限公司 Optical fiber through type movable connector
US20130322826A1 (en) * 2012-06-05 2013-12-05 Charles T. Henke Ferrule holders with an integral lead-in tube employed in fiber optic connector assemblies, and related components, connectors, and methods
CN204269865U (en) * 2014-01-17 2015-04-15 中航光电科技股份有限公司 The optical fiber connector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5768455A (en) * 1996-11-19 1998-06-16 Lucent Technologies Inc. Fiber optic connector
US6357933B1 (en) * 1999-03-30 2002-03-19 Lucent Technologies Inc. Quick connect optical fiber ferrule connector
US20130322826A1 (en) * 2012-06-05 2013-12-05 Charles T. Henke Ferrule holders with an integral lead-in tube employed in fiber optic connector assemblies, and related components, connectors, and methods
CN202837604U (en) * 2012-10-16 2013-03-27 深圳瀚星翔科技有限公司 Through-type flexible connector of square connector (SC) of physical connection (PC) optical fiber
CN202837602U (en) * 2012-10-16 2013-03-27 深圳瀚星翔科技有限公司 Optical fiber through type movable connector
CN204269865U (en) * 2014-01-17 2015-04-15 中航光电科技股份有限公司 The optical fiber connector

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