WO2018219363A1 - 一种无螺钉密封光缆接头盒 - Google Patents

一种无螺钉密封光缆接头盒 Download PDF

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Publication number
WO2018219363A1
WO2018219363A1 PCT/CN2018/097150 CN2018097150W WO2018219363A1 WO 2018219363 A1 WO2018219363 A1 WO 2018219363A1 CN 2018097150 W CN2018097150 W CN 2018097150W WO 2018219363 A1 WO2018219363 A1 WO 2018219363A1
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Prior art keywords
structure module
cable
plug
cable connector
connector box
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PCT/CN2018/097150
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English (en)
French (fr)
Inventor
徐庆
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浙江超前通信科技股份有限公司
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Publication of WO2018219363A1 publication Critical patent/WO2018219363A1/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
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4441—Boxes
    • G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables

Definitions

  • the invention relates to a cable joint box, in particular to a cable joint box which is easy to install and disassemble and has no screw seal.
  • the fiber optic cable must ensure that the fiber is not broken (the connector box has a straight-through cable and the cable is connected). This contradicts the technical measures of the nut and rubber stopper.
  • the purpose of the invention is to solve the problem that the cable connector box is inconvenient to be disassembled and installed, and the sealing is troublesome, and the cable joint box for the fiber-free cable (through cable, cable connection function) is designed, and further improved to make it Broken fiber and cable connector box with good sealing effect.
  • a screwless sealed cable joint box comprising a box body and an upper cover, wherein the box body is provided with a wire passing assembly on a line end side, and the wire passing assembly comprises a plug structure module and a cover
  • the wire passing assembly comprises a plug structure module and a cover
  • the nut is inserted into the box body, and the cap nut is screwed on the plug structure module; the plug structure module and the cap nut are provided with the through hole of the communication; the plug structure module and the cover nut are The split structural members are assembled and the split structural members are divided along the line holes.
  • the optical cable can be placed in the through hole of the plug structure module and the cover nut, and then The split structural module and the split structural member of the cap nut are assembled, and the operation can realize that the cable is not broken through the joint box, and the cable is connected to the next joint box.
  • the plug structure module is composed of an upper plug portion and a lower plug portion; the lower plug portion of the plug structure module is integrally provided with the box body.
  • the lower plug portion is provided with a trapezoidal insertion slot that matches the upper plug portion; the upper plug portion is provided with a trapezoidal insert block with the trapezoidal insertion slot.
  • a screw fixing end is disposed on both sides of the plug structure module, and a screw fixing end connecting surface of the upper plug portion and the lower plug portion is provided with a screw hole corresponding to the communication, and the upper plug portion and the lower plug portion pass through Screw fixing.
  • the trapezoidal plug block of the upper plug portion is mounted corresponding to the trapezoidal insertion slot of the lower plug portion, and the fixed end is fixed by screws to achieve tight engagement between the upper plug portion and the lower plug portion.
  • the wire hole of the plug structure module extends outward to form a connecting pipe, and the outer wall of the connecting pipe is provided with an external thread adapted to the cap nut.
  • the cap nut is composed of two semi-circular table members.
  • the two contact faces of the first semi-circular table are provided with L-shaped guide grooves extending radially outward, and the two contact faces of the second semi-circular table are provided with the L-shaped guide.
  • a slotted snap-fit block is provided.
  • the strip-shaped snap block of the second semi-circular table is inserted into the L-shaped axial guiding groove to form a cover nut of the integral structure, and then the threaded locking module can be screwed.
  • the wire assembly includes a rubber wire tube and a rubber sealing ring, and the rubber sealing ring is sleeved on the rubber wire tube.
  • the rubber ring comprises a two-stage structure, which is divided into a rubber wire tube and a rubber sealing ring; the rubber sealing ring is an integral structure; the rubber wire tube is composed of two semi-annular rubber pieces, the one The semi-ring rubber sheet has a snap block on the contact surface, and the other half of the ring rubber sheet has a snap groove.
  • the semi-annular rubber sheets are snapped together by the snap-fit structure, and the installation is convenient, and the through-line tube is a flexible material rubber tube, which effectively prevents the cable from being broken.
  • the present invention has the following advantages:
  • the plug-in structure module, the cover nut and the sealing rubber ring are all designed separately. It is easy to install without using screws during the installation process; it ensures the perfect combination of the cable divergence of the connector box and the straight-through of the optical cable;
  • the wire tube is a flexible material rubber tube to effectively prevent the cable from breaking
  • the outer tube jacket is connected with a rubber sealing ring and has good sealing performance.
  • Fig. 1 is an exploded view showing the structure of a line assembly of a portion of the cable joint box.
  • FIG. 2 is another perspective view of FIG. 1.
  • FIG. 2 is another perspective view of FIG. 1.
  • a screwless sealed cable connector box includes a box body and an upper cover, and a buckle assembly is arranged in the longitudinal direction of the box body and the upper cover, and the buckle assembly enables the upper cover to be tightly fastened.
  • a wire assembly 1 is further disposed on the width end side of the casing, the wire assembly 1 includes a plug structure module 2 and a cover nut 3, and the plug structure module 2 and the cover nut 3 are provided with a through hole 6 for communication.
  • the plug structure module 2 is disposed on the box body, and the through hole of the plug structure module 2 extends outward to form a connecting tube 2-5, and the outer wall of the connecting tube is provided with an external thread adapted to the cap nut 3, thereby
  • the cap nut is screwed onto the plug structure module 2; the plug structure module 2 and the cap nut 3 are assembled by the split structure member, and the split structure member is divided along the line hole.
  • the optical cable When in use, the optical cable can be cut through the wire assembly 1 without being cut or broken, because the plug structure module 2 and the cover nut 3 in the wire assembly 1 are assembled by separate structural members, so when constructing the optical cable It is only necessary to place the optical cable in the through hole, and then assemble the split structure module 2 and the split structure of the cover nut 3.
  • the wire hole of the plug structure module 2 extends outward to form a connecting pipe, and the outer wall of the connecting pipe is provided with an external thread adapted to the cap nut.
  • the plug structure module 2 is formed by the upper plug portion 2-1 and the lower plug portion 2-2, and the upper plug portion 2-1 and the lower plug portion 2-2 are inserted along the plug structure module 2.
  • the diameter of the wire hole is divided into two halves; the lower plug portion 2-2 of the plug structure module 2 is integrally provided with the casing, and the lower plug portion 2-2 is provided to match the upper plug portion 2-1. Trapezoidal slot.
  • the upper plug portion 2-1 of the plug structure module 2 is provided with a trapezoidal insert block 2-4 that cooperates with the lower plug portion 2-2.
  • the screw-connecting end 2-3 is further disposed on the two sides of the plug-in structure module 2, and the screw-fixing end connecting surface of the upper plug-in portion and the lower plug-in portion is provided with a screw hole corresponding to the communication, which is inserted in the embodiment.
  • a screw hole corresponding to the communication is provided around the screw fixing end of the second part 2-1 and the lower plug part 2-2, for a total of four.
  • the upper plug portion 2-1 and the lower plug portion 2-2 are tightly fixed by screws through the four screw holes.
  • the trapezoidal plug block 2-4 of the upper plug-in portion 2-1 and the trapezoidal plug-in slot of the lower plug-in portion 2-2 are attached, and the screw fixing end is fixed by a screw.
  • the cap nut 3 of the plug structure module 2 is composed of two semi-circular table members, which are composed of a first semi-circular table 3-1 and a second semi-circular table 3-2, and the first semi-circular table 3-1 is in contact with each other.
  • the surface is provided with an L-shaped guide groove 3-11 extending radially outward, and the two contact faces of the second semi-circular table 3-2 are provided with strip-shaped snap blocks 3-21 which cooperate with the L-shaped guide groove. .
  • the inner wall of the cap nut is provided with an internal thread that is fitted to the connecting tube of the plug structure module 2.
  • the strip-shaped snap block of the second semi-circular table of the cap nut 3 is inserted into the L-shaped guide groove, and then locked by the mating thread and the connecting tube.
  • the wire assembly further includes a sealing ring, and the sealing ring is divided into a two-stage structure of a silicone sealing ring 4 and a cable clamp 5, and the silicone sealing ring and the cable clamping block 5 are mounted on the cap nut 3 and the plug structure module 2
  • the through hole 6 is formed in the communication pipe.
  • the cable clamp is used to squeeze the silicone seal ring 4 in the wire hole to ensure the sealing effect.
  • the cable clamp is composed of two semi-rings which are provided with a snap block on the contact surface of the one half ring and a snap groove on the other half of the ring.
  • the semi-annular rubber sheets are snapped together by the snap-fit structure, and the installation is convenient.
  • the sealing principle (operational steps) is:
  • the silicone sealing ring 4 is cut open, and is placed on the optical cable;
  • test results are as follows:
  • the cable connector box is packaged according to the specified operating procedure and the fiber optic cable is installed at both ends of the box.
  • the inside of the box is filled with 100 ⁇ 5KPa. After the air pressure is stable, it is immersed in the normal temperature water container for 15 minutes, no bubble escapes. .
  • the joint box should be easy to open repeatedly without affecting its performance.
  • the cap nut of this product is easy to disassemble and has a good sealing effect.
  • the cable connector box is tested after repeating the package for 3 times according to the specified operation procedure.
  • the fiber optic cable is installed at both ends of the cable connector box, and the inside of the box is filled with 100 ⁇ 5KPa.
  • the test result shows that the joint box is immersed in the normal temperature water container for 15 minutes, no air bubbles. Escape.
  • the cable connector box After the cable connector box is packaged according to the specified operating procedures, it is immersed in the normal temperature water of 1.5 m depth for 24 hours. After the cable connector box is removed and removed, there is no water in the box.
  • the box is filled with 60 ⁇ 5KPa air pressure.
  • the cycle temperature steps are -40 ° C, -20 ° C, +20 ° C, +65 ° C. Each temperature step should be kept for more than 2 hours and cycled ten times.
  • the pressure inside the box was reduced to 5 KPa, and it was immersed in a normal temperature water container for 15 minutes, and no bubbles escaped.
  • the box is filled with 60 ⁇ 5KPa air pressure.
  • the test temperature is above +60 ° C for more than 100 hours.
  • the pressure inside the box was reduced to 3 KPa, and it was immersed in a normal temperature water container for 15 minutes for stable observation, and no bubbles escaped.
  • the box is filled with 60 ⁇ 5KPa air pressure.
  • the cable connector box shall be able to withstand vibrations with a frequency of 10 Hz, an amplitude of ⁇ 3 mm, and a vibration number of >1,000,000 times. After the test, the pressure in the box did not change, soaked in a normal temperature water container for 15 minutes, and no bubbles escaped.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Cable Accessories (AREA)

Abstract

一种光缆接头盒，包括盒体、上盖，盒体过线端设有过线组件（1），过线组件（1）包括插接结构模块（2）和盖型螺母（3），插接结构模块（2）设在盒体上，盖形螺母螺纹（3）连接在插接结构模块（2）上；插接结构模块（2）和盖型螺母（3）设有联通的过线孔；插接结构模块（2）、盖型螺母（3）由分体结构件组装构成，并且分体结构件是沿过线孔分割。该接头盒的插接结构模块（2）、盖型螺母（3）均为分体设计，安装过程中无需使用螺钉，安装方便。

Description

一种无螺钉密封光缆接头盒 技术领域
本发明涉及一种光缆接头盒，特别是一种便于安装拆卸、无螺钉密封的光缆接头盒。
背景技术
光缆接头盒主要起到光缆直通(接头盒直通光缆过线，即不剪断光缆穿入、穿出接头盒体)和光缆分歧的作用，这就需要在接头盒体中预留给光纤的出入通孔。通孔不利于隔绝盒体内外环境，为了提升接头盒的密封效果，通常在出入通孔中加装橡胶塞，但橡胶塞牢固度有限，最好的方式是采用螺帽加橡胶塞，即具有螺纹连接的紧固，又具有橡胶塞的密封效果。
但是，光纤过线就要确保光纤无断线(接头盒具备直通光缆、以及光缆掏接功能)的出入接头盒。这就与螺帽加橡胶塞的技术措施相矛盾。
发明内容
本发明的目的是为了解决上述光缆接头盒不方便拆卸安装、密封麻烦的问题而设计的便于无断纤过线(直通光缆、光缆掏接功能)光缆接头盒，以及进一步改进使其即具备无断纤又具备密封效果好的光缆接头盒。
本发明采取下述技术方案：一种无螺钉密封光缆接头盒，包括盒体和上盖，所述盒体过线端侧设有过线组件，所述过线组件包括插接结构模块和盖型螺母,插接结构模块设在盒体上，盖形螺母螺纹连接在插接结构模块上；插接结构模块和盖型螺母设有联通的过线孔；插接结构模块、盖型螺母由分体结构件组装构成，并且分体结构件是沿过线孔分割。因过线组件中的插接结构模块和盖型螺母均为沿过线孔分割的分体结构件组装构成，所以可将光缆放置在插接结构模块、盖型螺母的过线孔中，然后将插接结构模块和盖型螺母的分体结构件组装，如此操作就能实现光缆无断线过线通过接头盒，使该光缆联通至下一处接头盒。
进一步的，所述插接结构模块由上插接部和下插接部插接组成；所述插接结构模块的下插接部与盒体设置为一体。所述下插接部设有与上插接部匹配的梯形插接槽；上插接部设 有与所述梯形插接槽的梯形插块。
所述插接结构模块的两侧设有螺钉固定端，上插接部和下插接部的螺钉固定端连接面设有对应联通的螺孔，所述上插接部和下插接部通过螺钉固定。
安装时，将上插接部的梯形插接块与下插接部的梯形插接槽对应安装，用螺钉将固定端固定即可实现上插接部和下插接部紧密结合。
进一步的，所述插接结构模块的过线孔向外延伸形成连接管，该连接管外壁设有与盖形螺母适配的外螺纹。
进一步的，所述盖型螺母由两个半圆台构件卡接组成。为保证所述盖形螺母卡接牢固，第一半圆台两个接触面上设有径向向外延伸的L型导槽，第二半圆台两个接触面上设有与所述L型导槽配合的条形卡接块。
安装时，将第二半圆台的条形卡接块插入L型轴向导向槽内，形成一体式结构的盖型螺母，然后与插接结构模块螺纹锁紧即可。
所述过线组件包括橡胶过线管和橡胶密封圈，所述橡胶密封圈套接在橡胶过线管上。
所述橡胶圈包括两段式结构,分为橡胶过线管和橡胶密封圈；橡胶密封圈为一体式结构；所述橡胶过线管由两个半圆环状橡胶片卡接组成，所述一个半圆环橡胶片接触面上设有卡接块，另一半圆环橡胶片上设有卡接槽。使用时，半圆环状橡胶片通过卡接结构卡接在一起，安装方便,且过线管为柔性材料橡胶管，有效防止光缆断裂。
与现有技术相比，本发明具有以下优点：
1、接头盒整体结构简单、设计巧妙安装使用方便快捷；
2、插接结构模块、盖型螺母、密封橡胶圈均为分体设计，安装过程中无需使用螺钉，安装方便；确保接头盒的光缆分歧与光缆直通的完美结合；
3、过线管为柔性材料橡胶管，有效防止光缆断裂；
4、过线管外套接橡胶密封圈，密封性好。
附图说明
图1是本光缆接头盒局部的过线组件结构爆炸图。
图2是图1另一个视角结构图。
部件标号：1.过线组件；2.插接结构模块；2-1.上插接部；2-2.下插接部；2-3.螺钉固定端；2-4.梯形插块；3.盖型螺母；3-1.第一半圆台；3-2.第二半圆台；4.硅胶密封圈；5.光缆压块；6.过线孔。
具体实施方式
以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步描述，但本发明并不限于这些实施例。
如图1、图2所示的一种无螺钉密封光缆接头盒，包括盒体、上盖，盒体和上盖长度方向上设有卡扣组件，该卡扣组件能使上盖紧密扣合在盒体上。在盒体宽度端侧还设有过线组件1，所述过线组件1包括插接结构模块2和盖型螺母3,插接结构模块2和盖型螺母3设有联通的过线孔6，插接结构模块2设在盒体上，并且插接结构模块2的过线孔向外延伸形成连接管2-5，该连接管外壁设有与盖形螺母3适配的外螺纹，从而使盖形螺母螺纹连接在插接结构模块2上；插接结构模块2、盖型螺母3由分体结构件组装构成，并且分体结构件是沿过线孔分割。
使用时，光缆可不用剪断、无断线穿过过线组件1，因过线组件1中的插接结构模块2和盖型螺母3均为分体结构件组装构成，所以在施工光缆线时，仅需将光缆线放置在过线孔中，然后将插接结构模块2和盖型螺母3的分体结构件组装即可。
所述插接结构模块2的过线孔向外延伸形成连接管，该连接管外壁设有与盖形螺母适配的外螺纹。此外，插接结构模块2由上插接部2-1和下插接部2-2插接组成，上插接部2-1和下插接部2-2沿插接结构模块2的过线孔直径分割成两半；所述插接结构模块2的下插接部2-2与盒体设置为一体，所述下插接部2-2设有与上插接部2-1匹配的梯形插接槽。所述插接结构模块2的上插接部2-1设有与所述下插接部2-2配合的梯形插块2-4。
所述插接结构模块2的两侧还设有螺钉固定端2-3，上插接部和下插接部的螺钉固定端连接面设有对应联通的螺孔，本实施例中上插接部2-1、下插接部2-2的螺钉固定端四周设有对应联通的螺孔，共四个。上插接部2-1和下插接部2-2通过四个螺孔实现螺钉紧密固定。
安装时，将上插接部2-1的梯形插接块2-4与下插接部2-2的梯形插接槽对应安装，再用螺钉将螺钉固定端固定即可。
此外，插接结构模块2的盖型螺母3由两个半圆台构件拼接组成，由第一半圆台3-1和第二半圆台3-2拼接组成，第一半圆台3-1两个接触面上设有径向向外延伸的L型导槽3-11，第二半圆台3-2两个接触面上设有与所述L型轴向导槽配合的条形卡接块3-21。
所述盖形螺母的内壁设有与所述插接结构模块2连接管配合安装的内螺纹。
安装时，将盖型螺母3第二半圆台的条形卡接块插入L型导向槽内，再通过配合螺纹与连接管锁紧即可。
所述过线组件还包括密封圈，密封圈分为硅胶密封圈4和光缆压块5两段式结构,，该硅胶密封圈和光缆压块5安装于盖形螺母3、插接结构模块2过线孔6形成的联通管道内。光缆压块用于在过线孔内挤压硅胶密封圈4，确保密封效果。
光缆压块由两个半圆环片卡接组成，所述一个半圆环片接触面上设有卡接块，另一半圆环片上设有卡接槽。使用时，半圆环状橡胶片通过卡接结构卡接在一起，安装方便。
密封原理(操作步骤)为：
a、将硅胶密封圈4剖开，套在光缆上；
b、将插接结构模块(用螺钉固定在盒体上；
c、将光缆压块5掰开，套在光缆上，再合上；
d、将盖型螺母分开，套入光缆，再合上；
e、将硅胶密封圈4和光缆压块5连同光缆一起推入盖形螺母3、插接结构模块2过线孔6(螺孔)；
f、将盖型螺母旋入，通过光缆压块5挤压硅胶密封圈4，达到密封效果。
本申请人还对无螺钉密封光缆接头盒测试了密封性能，测试实验证明本产品大大提高了密封效果。
具体为按照YD/T 814.1-2013《光缆接头盒》(光缆接头盒通信行业标准)标准中的5.7密封性能；5.8再封装性能、5.9浸水性能、5.11环境性能四项测试内容，测试结果如下：
5.7密封性能
封装后密封性能：光缆接头盒按规定的操作程序封装并在盒两端安装光缆，盒内充气100±5KPa，要求待气压稳定后，浸泡在常温清水容器中稳定观察15分钟，无气泡逸出。
5.8再封装性能
按照标准的再封装后密封性能：接头盒应便于重复开启，且不影响其性能。本产品的盖型螺母方便拆卸，并且密封效果好。光缆接头盒按规定的操作程序重复3次封装后进行试验，光缆接头盒两端安装光缆，盒内充气100±5KPa，试验结果显示，接头盒浸泡在常温清水容器中稳定观察15分钟，无气泡逸出。
5.9浸水性能
光缆接头盒按规定操作程序封装完毕后，浸泡在1.5m深的常温清水中24h后，光缆接头盒取出拆卸后，盒体内无进水。
5.11环境性能
5.11.1承受温度变化的性能(温循性能)
光缆接头盒按规定的操作程序封装且盒两端安装光缆后，盒内充入60±5KPa气压。循环温度台阶为－40℃、－20℃、+20℃、+65℃。每个温度台阶应保持2小时以上，循环十次。试验后，盒内气压压降至5KPa，浸泡在常温清水容器中稳定观察15分钟，无气泡逸出。
5.11.2承受持续高温的性能(高温性能)
光缆接头盒按规定的操作程序封装且盒两端安装光缆后，盒内充入60±5KPa气压。试验温 度高于+60℃，保持100小时以上。试验后，盒内气压降至3KPa，浸泡在常温清水容器中稳定观察15分钟，无气泡逸出。
5.11.3承受频繁振动的性能
光缆接头盒按规定的操作程序封装且盒两端安装光缆后，盒内充入60±5KPa气压。光缆接头盒应能承受频率10Hz，振幅±3mm，振动次数>1000000次的振动。试验后，盒内气压无变化，浸泡在常温清水容器中稳定观察15分钟，无气泡逸出。

Claims (10)

  1. 一种无螺钉密封光缆接头盒，包括盒体、上盖，其特征在于：所述盒体过线端设有过线组件(1)，所述过线组件(1)包括插接结构模块(2)和盖型螺母(3),插接结构模块(2)设在盒体上，盖形螺母(3)螺纹连接在插接结构模块上；插接结构模块(2)和盖型螺母(3)设有联通的光缆过线孔(6)；插接结构模块(2)、盖型螺母(3)由分体结构件组装构成，并且分体结构件是沿过线孔分割。
  2. 根据权利要求1所述的光缆接头盒，其特征在于：所述插接结构模块(2)由上插接部(2-1)和下插接部(2-2)组配构成；所述插接结构模块(2)的下插接部(2-2)与盒体设置为一体。
  3. 根据权利要求2所述的光缆接头盒，其特征在于：所述下插接部(2-2)设有与上插接部(2-1)匹配的梯形插接槽；上插接部(2-1)设有与所述梯形插接槽对应的梯形插块(2-4)。
  4. 根据权利要求2或3所述的光缆接头盒，其特征在于：所述上插接部(2-1)和下插接部(2-2)设有对应的螺钉固定端(2-3)，螺钉固定端(2-3)连接面设有对应联通的螺孔，所述上插接部(2-1)和下插接部(2-2)通过螺钉紧固。
  5. 根据权利要求4所述的光缆接头盒，其特征在于：所述上插接部(2-1)和下插接部(2-2)两侧面形成对应的螺钉固定端(2-3)，螺钉固定端(2-3)连接面设有对应联通的四个螺孔。
  6. 根据权利要求1或2或3所述的光缆接头盒，其特征在于：所述插接结构模块(2)的过线孔向外延伸形成连接管(2-5)，该连接管外壁设有与盖形螺母(3)适配的外螺纹。
  7. 根据权利要求1所述的光缆接头盒，其特征在于：所述盖型螺母(3)由两个半圆台构件拼接组成。
  8. 根据权利要求6所述的光缆接头盒，其特征在于：所述盖形螺母(3)由第一半圆台(3-1)和第二半圆台(3-2)拼接组成，第一半圆台(3-1)两个接触面上设有径向向外延伸的L型导槽(3-11)，第二半圆台(3-2)两个接触面上设有与所述L型导槽配合的条形卡接块(3-21)。
  9. 根据权利要求1所述的光缆接头盒，其特征在于：所述过线组件还包括硅胶密封圈(4)，该硅胶密封圈安装于盖形螺母(3)、插接结构模块(2)过线孔(6)形成的联通管道内。
  10. 根据权利要求9所述的光缆接头盒，其特征在于：所述过线组件还包括光缆压块(5)，所述光缆压块(5)由两个半圆环片卡接组成，光缆压块(5)设于过线孔(6)内用于挤压硅胶密封圈(4)。
PCT/CN2018/097150 2017-06-02 2018-07-26 一种无螺钉密封光缆接头盒 WO2018219363A1 (zh)

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CN107611879A (zh) * 2017-10-20 2018-01-19 六六房车有限公司 一种高精度铸铝接线盒
CN109613670B (zh) * 2019-01-07 2020-08-14 烽火通信科技股份有限公司 一种无断缆的新型密封光缆接头盒及其使用方法
CN111965773B (zh) * 2020-08-26 2023-03-14 烽火通信科技股份有限公司 用于螺帽密封接头盒的封装装置及螺帽密封接头盒组件

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