WO2020029545A1 - 一种光纤适配器 - Google Patents

一种光纤适配器 Download PDF

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Publication number
WO2020029545A1
WO2020029545A1 PCT/CN2019/071805 CN2019071805W WO2020029545A1 WO 2020029545 A1 WO2020029545 A1 WO 2020029545A1 CN 2019071805 W CN2019071805 W CN 2019071805W WO 2020029545 A1 WO2020029545 A1 WO 2020029545A1
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WO
WIPO (PCT)
Prior art keywords
adapter
optical fiber
inner core
cover
core
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Application number
PCT/CN2019/071805
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English (en)
French (fr)
Inventor
蒋小兰
Original Assignee
深圳市英通达光纤技术有限公司
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Publication of WO2020029545A1 publication Critical patent/WO2020029545A1/zh

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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
    • 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 technical field of optical fiber communication physical connection, and in particular, to an optical fiber adapter.
  • Optical fiber adapters also known as optical fiber flanges, must be used in fiber optic equipment rooms, terminal boxes, optical communication equipment, and jumpers; their main role is to achieve the same or different fiber connector docking in fiber optic lines. It makes the optical path unobstructed with very little loss, and precisely connects the two end faces of the optical fiber, so that the optical energy output by the optical fiber is coupled to the receiving optical fiber to the maximum.
  • traditional fiber optic adapters include an adapter body, an adapter cover, and an adapter inner core.
  • the optical fiber transmission is achieved by plugging and fixing the connector of the optical fiber connector to the adapter inner core; however, when (outdoor) fiber optic connectors
  • the traditional fiber optic adapter lacks a buffer mechanism, which easily impacts the core of the adapter and affects the normal use of the fiber optic adapter.
  • the interchangeability between the cores of multiple adapters cannot be achieved, resulting in poor compatibility of fiber adapters.
  • An optical fiber adapter includes: an adapter body, which is an open frame structure at both ends and a hollow interior, wherein an external thread is provided in the middle portion and an internal thread is provided in the internal portion; an adapter cover is provided at one end of the adapter body, and an end surface of one end is provided.
  • the notch with a square shape is fixed by the adapter cover and the adapter body; the inner core of the adapter is engaged with the adapter cover through the notch and is used for plugging and fixing with the connector of the optical fiber connector; the buffer mechanism is provided in the body of the adapter and is used for It is used to buffer the impact generated when the optical fiber connector is connected with the optical fiber adapter.
  • the buffering effect of the buffering mechanism is used to reduce the impact of the optical fiber connector on the inner core of the adapter and achieve a soft landing of the optical fiber connector;
  • the dust cap is screwed on the adapter body and the adapter One end of the chain is sleeved on the dust cap, and the other end is sleeved on the mounting nut.
  • the dust cap plays a dust-proof role, preventing the core of the adapter from affecting the normal transmission of the optical fiber due to the accumulation of dust, thereby ensuring the normal operation of the optical fiber adapter.
  • FIG. 1 is a schematic diagram of an overall structure of an optical fiber adapter according to an embodiment of the present invention
  • FIG. 2 is an exploded schematic diagram of an optical fiber adapter according to an embodiment of the present invention
  • FIG. 3 is an exploded schematic diagram of a dual-core optical fiber adapter provided by an embodiment of the present invention.
  • FIG. 4 is an exploded schematic diagram of a multi-core optical fiber adapter according to an embodiment of the present invention.
  • the buffer mechanism includes two elastic silicone pads symmetrically disposed on opposite sides of the inner core of the adapter, one end of which is in contact with the inner wall surface of the inner core of the adapter, and the other end is in contact with one side wall of the inner core of the adapter. Pick up.
  • the invention further comprises: a dustproof mechanism for dustproofing the inner core of the adapter.
  • the dustproof mechanism includes a dustproof cap, which is provided with an external thread in the middle and is screw-connected with the adapter body.
  • the dust-proof mechanism further comprises: a mounting nut threadedly connected to the adapter body; at least two sets of grooves are symmetrically provided on the side wall of the mounting nut along the circumferential direction; and an adapter chain having a snap ring structure at both ends thereof , One end of the adapter chain snaps into the groove, and the other end is sleeved with the dust cap.
  • the invention is further provided that: two sets of card slots are symmetrically provided on the upper part of the adapter body, and penetrate through the outer side wall of the adapter body; and an inner wall surface of the adapter cover is provided with a clamping block which is engaged with the card slot.
  • the invention is further provided that an annular groove is provided on the dust cap, and a sealing ring is sleeved in the annular groove.
  • the inner core of the adapter is a single-core adapter head, and is matched and connected with the adapter cover through a gap.
  • the inner core of the adapter is a dual-core adapter head, and is matched and connected with the adapter cover through a gap.
  • the inner core of the adapter is a multi-core adapter head, and is matched and connected with the adapter cover through a gap.
  • 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 adapter as shown in FIG. 1, includes an adapter body 1, an adapter cover 2, an adapter inner core 4, a buffer mechanism, and a dustproof mechanism for preventing the adapter inner core 4 from dust.
  • the adapter body 1 is a hollow frame structure with two ends open and an internal hollow portion.
  • the middle portion is provided with external threads and the internal portion is provided with internal threads.
  • the upper portion of the adapter body 1 is symmetrically provided with two sets of card slots 11 that pass through the adapter.
  • the adapter inner core 4 is a single-core adapter head, which is matched with the adapter cover 2 through the notch 21 connection.
  • the adapter core 4 is installed in the adapter body 1 and is fixed at one end of the adapter body 1 through the adapter cover 2.
  • the external optical fiber connector is inserted into the adapter body 1 and docked with the adapter core 4 to realize the optical fiber. Communication connection.
  • the buffer mechanism includes two elastic silicone pads 7 symmetrically disposed on opposite sides of the inner core 4 of the adapter.
  • One end of the elastic silicone pad 7 is in contact with the inner wall surface of the adapter inner core 4, and the other end is inside the adapter.
  • One side wall of the core 4 abuts.
  • the elastic silicone pad 7 is disposed between the adapter inner core 4 and the adapter body 1.
  • the elastic silicone pad 7 plays a buffering role and is used to buffer the impact generated when the optical fiber connector is inserted into the optical fiber adapter to protect the adapter. Inner core.
  • the dustproof mechanism includes a dustproof cap 5, a mounting nut 3, and an adapter chain 6.
  • the middle part of the dustproof cap 5 is provided with external threads, and the dustproof cap 5 is threadedly connected to the adapter body 1;
  • An annular groove 51 is provided, and a sealing ring is sleeved in the annular groove 51.
  • the mounting nut 3 is threadedly connected to the adapter body 1.
  • the side wall of the mounting nut 3 is provided with at least two sets of grooves 31 symmetrically in the circumferential direction. The two ends are a snap ring structure, one end of the adapter chain 6 is snap-fitted with the groove 31, and the other end is sleeved with the dust cap 5.
  • the dust cap 5 is screwed and fixed on the adapter body 1, one end of the adapter chain 6 is sleeved on the dust cap 5 and the other end is clipped and fixed on the mounting nut 3, and the dust cap 5 plays a dustproof role
  • the dustproof effect of the dust cap 5 is further improved, thereby ensuring the normal operation of the fiber optic adapter.
  • the adapter core 4 is a dual-core adapter head and is connected to the adapter cover 2 through the notch 21; the adapter core 4 is a multi-core adapter head and is connected to the adapter cover 2 through the notch 21 .
  • the dual-core adapter head is matched and connected to the adapter cover 2 through the notch 21 to form a dual-core adapter;
  • the multi-core adapter head is matched and connected to the adapter cover 2 through the notch 21 to form a multi-core adapter, to realize a single-core adapter,
  • the inner core 4 of the adapter is interchanged between the dual-core adapter and the multi-core adapter, which improves the compatibility of the optical fiber adapter.
  • This application has industrial applicability.

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

Abstract

本发明涉及光纤通信物理连接技术领域，提供的一种光纤适配器，包括适配器本体，为两端开口且内部中空结构，其中部开设有外螺纹，内部开设有内螺纹；适配器盖，设置于适配器本体的一端，其一端端面上开设有呈方形设置的开口；适配器内芯，通过开口与适配器盖卡接固定，用于与光纤连接器的连接头插接固定；缓冲机构，设置于适配器内芯两侧，用于缓冲光纤连接器与光纤适配器插接时产生的冲击作用。光纤连接器与光纤适配器插接固定时，通过缓冲机构的缓冲作用，减轻光纤连接器对适配器内芯的冲击作用，以保护适配器内芯。

Description

一种光纤适配器 技术领域
本发明涉及光纤通信物理连接技术领域，尤其涉及一种光纤适配器。
 背景技术
光纤适配器，又称作光纤法兰盘，光纤机房、终端盒、光通信设备、跳线等都必须用到光纤适配器；其主要作用是在光纤线路中，实现相同或不同光纤连接器的对接，使其在很少的损耗下实行光路畅通，并把光纤的两个端面精密对接，以使光纤输出的光能量最大限度的耦合到接收光纤中去。
现有技术中，传统的光纤适配器包括适配器本体、适配器盖以及适配器内芯，通过将光纤连接器的连接头与适配器内芯插接固定，实现光纤的传输；然而，当（室外）光纤连接器与光纤适配器进行插接固定时，传统的光纤适配器内缺少缓冲机构，容易冲击适配器内芯，影响光纤适配器的正常使用。此外，由于多种光纤适配器的适配器内芯结构不同，不能实现多种适配器内芯之间的互换，导致光纤适配器的兼容性较差。
 技术问题
因此，如何缓冲光纤连接器与光纤适配器插接时的冲击作用成为亟待解决的技术问题。
另外，如何提高光纤适配器的兼容性成为另一个待解决的技术问题。
 技术解决方案
一种光纤适配器，包括：适配器本体，为两端开口且内部中空的框架结构，其中部开设有外螺纹，内部开设有内螺纹；适配器盖，设置于适配器本体的一端，其一端端面上开设有呈方形设置的缺口，适配器盖与适配器本体卡接固定；适配器内芯，通过缺口与适配器盖卡接，用于与光纤连接器的连接头插接固定；缓冲机构，设置于适配器本体内，用于缓冲光纤连接器与光纤适配器插接时产生的冲击作用。
 有益效果
光纤连接器与光纤适配器插接固定时，通过缓冲机构的缓冲作用，减轻光纤连接器对适配器内芯的冲击作用，实现光纤连接器的软着陆；防尘帽螺纹连接固定在适配器本体上，适配器链子一端套接在防尘帽上，另一端套接在安装螺母上，防尘帽起防尘作用，防止适配器内芯因积灰而影响光纤的正常传输，从而保证光纤适配器正常工作。
 附图说明
为了更清楚地说明本发明具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明实施例提供的光纤适配器的整体结构示意图；
图2是本发明实施例提供的光纤适配器的爆炸示意图；
图3是本发明实施例提供的双芯光纤适配器的爆炸示意图；
图4是本发明实施例提供的多芯光纤适配器的爆炸示意图。
附图标记：1、适配器本体；11、卡槽；2、适配器盖；21、缺口；22、卡块；3、安装螺母；31、凹槽；4、适配器内芯；5、防尘帽；51、环形槽；6、适配器链子；7、弹性硅胶垫。
 本发明的最佳实施方式
本发明进一步设置为：缓冲机构包括两个弹性硅胶垫，对称设置于适配器内芯相对的两侧，其一端与适配器内芯的内侧壁面抵接，另一端与适配器内芯的一侧侧壁抵接。
本发明进一步设置为：还包括：防尘机构，用于适配器内芯的防尘，防尘机构包括：防尘帽，其中部开设有外螺纹，与适配器本体螺纹连接。
本发明进一步设置为：防尘机构还包括：安装螺母，与适配器本体螺纹连接，安装螺母的侧壁上沿周向对称开设有至少两组凹槽；适配器链子，其两端为卡齿环结构，适配器链子的一端与凹槽卡接，另一端与防尘帽套接。
本发明进一步设置为：适配器本体的上部对称开设有两组卡槽，其贯通适配器本体外侧侧壁；适配器盖的内侧壁面上设有与卡槽卡接配合的卡块。
本发明进一步设置为：防尘帽上开设有环形槽，环形槽内套接有密封圈。
本发明进一步设置为：适配器内芯为单芯适配头，通过缺口与适配器盖匹配连接。
本发明进一步设置为：适配器内芯为双芯适配头，通过缺口与适配器盖匹配连接。
本发明进一步设置为：适配器内芯为多芯适配头，通过缺口与适配器盖匹配连接。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，还可以是两个元件内部的连通，可以是无线连接，也可以是有线连接。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
此外，下面所描述的本发明不同实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互结合。
一种光纤适配器，如图1所示，包括适配器本体1、适配器盖2、适配器内芯4、缓冲机构以及用于适配器内芯4防尘的防尘机构。
如图1所示，适配器本体1为两端开口且内部中空的框架结构，其中部开设有外螺纹，内部开设有内螺纹；适配器本体1的上部对称开设有两组卡槽11，其贯通适配器本体1外侧侧壁；适配器本体1的一端卡接固定有适配器盖2，适配器盖2的一端端面上开设有呈方形设置的缺口21，适配器盖2的内侧壁面上设有与卡槽11卡接配合的卡块22；适配器盖2上套接有适配器内芯4，用于与光纤连接器的连接头插接固定；适配器内芯4为单芯适配头，通过缺口21与适配器盖2匹配连接。
需要说明的是，适配器内芯4安装在适配器本体1内，并通过适配器盖2固定在适配器本体1一端，将外部的光纤连接器插入适配器本体1内，与适配器内芯4进行对接，实现光纤通信连接。
如图2所示，缓冲机构包括两个弹性硅胶垫7，对称设置于适配器内芯4相对的两侧，弹性硅胶垫7的一端与适配器内芯4的内侧壁面抵接，另一端与适配器内芯4的一侧侧壁抵接。
需要说明的是，弹性硅胶垫7设置在适配器内芯4与适配器本体1之间，弹性硅胶垫7起缓冲作用，用于缓冲光纤连接器与光纤适配器插接时产生的冲击作用，以保护适配器内芯。
如图1所示，防尘机构包括防尘帽5、安装螺母3以及适配器链子6，防尘帽5的中部开设有外螺纹，防尘帽5与适配器本体1螺纹连接；防尘帽5上开设有环形槽51，环形槽51内套接有密封圈；安装螺母3与适配器本体1螺纹连接，安装螺母3的侧壁上沿周向对称开设有至少两组凹槽31；适配器链子6的两端为卡齿环结构，适配器链子6的一端与凹槽31卡接，另一端与防尘帽5套接。
需要说明的是，防尘帽5螺纹连接固定在适配器本体1上，适配器链子6一端套接在防尘帽5上，另一端卡接固定在安装螺母3上，防尘帽5起防尘作用，防止适配器内芯4因积灰而影响光纤的正常传输；通过在防尘帽5上套接密封圈，进一步提高防尘帽5的防尘效果，从而保证光纤适配器正常工作。
如图3和图4所示，适配器内芯4为双芯适配头，通过缺口21与适配器盖2匹配连接；适配器内芯4为多芯适配头，通过缺口21与适配器盖2匹配连接。
需要说明的是，双芯适配头通过缺口21与适配器盖2匹配连接，形成双芯适配器；多芯适配头通过缺口21与适配器盖2匹配连接，形成多芯适配器，实现单芯适配器、双芯适配器以及多芯适配器之间的适配器内芯4互换，提高了光纤适配器的兼容性。
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。
 工业实用性
本申请具有工业实用性。

Claims (9)

  1. 一种光纤适配器，其特征在于，包括：
    适配器本体（1），为两端开口且内部中空的框架结构，其中部开设有外螺纹，内部开设有内螺纹；
    适配器盖（2），设置于所述适配器本体（1）的一端，其一端端面上开设有呈方形设置的缺口（21），所述适配器盖（2）与所述适配器本体（1）卡接固定；
    适配器内芯（4），通过所述缺口（21）与所述适配器盖（2）卡接固定，用于与光纤连接器的连接头插接固定；
    缓冲机构，设置于所述适配器本体（1）内，用于缓冲光纤连接器与光纤适配器插接时产生的冲击作用。
  2. 根据权利要求1所述的光纤适配器，其特征在于，所述缓冲机构包括两个弹性硅胶垫（7），对称设置于所述适配器内芯（4）相对的两侧，其一端与所述适配器内芯（4）的内侧壁面抵接，另一端与所述适配器内芯（4）的一侧侧壁抵接。
  3. 根据权利要求1所述的光纤适配器，其特征在于，还包括：
    防尘机构，用于适配器内芯（4）的防尘，所述防尘机构包括：
      防尘帽（5），其中部开设有外螺纹，与适配器本体（1）螺纹连接。
  4. 根据权利要求3所述的光纤适配器，其特征在于，所述防尘机构还包括：
    安装螺母（3），与所述适配器本体（1）螺纹连接，所述安装螺母（3）的侧壁上沿周向对称开设有至少两组凹槽（31）；
    适配器链子（6），其两端为卡齿环结构，所述适配器链子（6）的一端与所述凹槽（31）卡接，另一端与所述防尘帽（5）套接。
  5. 根据权利要求1所述的光纤适配器，其特征在于，所述适配器本体（1）的上部对称开设有两组卡槽（11），其贯通所述适配器本体（1）外侧侧壁；所述适配器盖（2）的内侧壁面上设有与所述卡槽（11）卡接配合的卡块（22）。
  6. 根据权利要求3所述的光纤适配器，其特征在于，所述防尘帽（5）上开设有环形槽（51），所述环形槽（51）内套接有密封圈。
  7. 根据权利要求1-6任一项所述的光纤适配器，其特征在于，所述适配器内芯（4）为单芯适配头，通过所述缺口（21）与所述适配器盖（2）匹配连接。
  8. 根据权利要求1-6任一项所述的光纤适配器，其特征在于，所述适配器内芯（4）为双芯适配头，通过所述缺口（21）与所述适配器盖（2）匹配连接。
  9. 根据权利要求1-6任一项所述的光纤适配器，其特征在于，所述适配器内芯（4）为多芯适配头，通过所述缺口（21）与所述适配器盖（2）匹配连接。
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CN206270548U (zh) * 2016-12-15 2017-06-20 吉林工程技术师范学院 一种光纤连接器
CN206696476U (zh) * 2016-08-31 2017-12-01 武汉奥森迪科智能电控科技有限公司 一种光纤接口转接头

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