CN203299423U - 光缆护管端口密封托架 - Google Patents

光缆护管端口密封托架 Download PDF

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CN203299423U
CN203299423U CN2013202028784U CN201320202878U CN203299423U CN 203299423 U CN203299423 U CN 203299423U CN 2013202028784 U CN2013202028784 U CN 2013202028784U CN 201320202878 U CN201320202878 U CN 201320202878U CN 203299423 U CN203299423 U CN 203299423U
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pillar
carriage
optical cable
diameter
port sealing
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岳海红
熊莉娟
金晋
张凯
阎峰
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State Grid Corp of China SGCC
Taiyuan Power Supply Co of Shanxi Electric Power Co
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State Grid Corp of China SGCC
Taiyuan Power Supply Co of Shanxi Electric Power Co
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Abstract

光缆护管端口密封托架属于光纤通讯设备技术领域。在护管端口加装密封托架,其特征是:由在上的裂缝垫和在下的两半托架(1)组成;两半托架(1)由两连接柱(4)将在上的D形圈(2)与在下的月牙盘(5)连接而成。

Description

光缆护管端口密封托架
技术领域光纤通讯设备。 
背景技术通讯光缆入户有护管保护,现行办法是光缆穿入塑料护管,塑料护管再穿入钢护管。在钢护管端口填塞防火泥,并加装对开式防雨帽,盖住钢护管端口进行密封。但是由于热涨冷缩、风化水浸等因素反复作用,久而久之防火泥逐渐散碎下坠失效,进而导致夏季管口进水,冬季结冰造成光缆被挤压损坏,另外冬季冷凝水侵入也会结冰造成光缆被挤压受损。光缆护管端口需要有防火泥防坠器件,保持整体的安装状态。 
发明内容光缆护管端口密封托架要解决的技术问题是:防止防火泥散碎后下坠失效,解决的技术方案是:在护管端口加装密封托架,使所填防火泥牢固持久地装在护管端口内。 
光缆护管端口密封托架(附图)由在上的裂缝垫和在下的两半托架1组成。两半托架1由两连接柱4将在上的D形圈2与在下的月牙盘5连接而成。 
使用时,将两个半托架1放入光缆钢护管端口内,经D形圈2架在钢护管端面上,并由子口3径向定位。两半托架1并合后,两月牙盘5形成一个外径略小于钢护管内径的托盘。两月牙盘5中间形成的圆孔,可使塑料护管正好通过。然后经D形圈2的空处填入防火泥,并使之密实。防火泥便将钢护管和塑料护管之间的空间填满密封;之后,刮平D形圈2上平面处的防火泥,铺上两片裂缝垫,务使两片裂缝垫的裂缝错开180°。再后,在裂缝垫上堆一防火泥锥台,最后扣合防雨帽。 
光缆护管端口密封托架的优点是:①防火泥有两个半托架1托住,填装时可以填密实,增加密封性;日久散碎,也不会下坠钢护管内,密封持久。②有裂 
缝垫形成轴向隔水层,防雨性能及防冷凝水侵入的能力大大增强。 
附图说明附图示光缆护管端口密封托架的半托架结构示意图。 
具体实施方式半托架1用塑料注塑而成。两月牙盘5并合后形成的外圆、内孔直径分别与钢护管内径、塑料护管外径呈间隙配合。两D形圈2并合后形成的外圆直径等于钢护管外径;子口3的外径与钢护管内径呈间隙配合。两D形圈2并合后形成的目字形的两横三等分D形圈2形成的内圆直径。裂缝垫用高弹塑料制成,有一径向缝;内外径分别与塑料护管外径、钢护管内径呈间隙配合。月牙盘5与D形圈2的间距继承现行防火泥填充段高度。 

Claims (3)

1.光缆护管端口密封托架是在护管端口加装密封托架,其特征是:由在上的裂缝垫和在下的两半托架(1)组成;两半托架(1)由两连接柱(4)将在上的D形圈(2)与在下的月牙盘(5)连接而成。 
2.根据权利要求1所述的光缆护管端口密封托架,其特征是:半托架(1)用塑料注塑而成;两月牙盘(5)并合后形成的外圆、内孔直径分别与钢护管内径、塑料护管外径呈间隙配合;两D形圈(2)并合后形成的外圆直径等于钢护管外径;子口(3)的外径与钢护管内径呈间隙配合;两D形圈(2)并合后形成的目字形的两横三等分D形圈(2)形成的内圆直径。 
3.根据权利要求1所述的光缆护管端口密封托架,其特征是:裂缝垫用高弹塑料制成,有一径向缝;内外径分别与塑料护管外径、钢护管内径呈间隙配合。 
CN2013202028784U 2013-04-02 2013-04-02 光缆护管端口密封托架 Expired - Lifetime CN203299423U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103197392A (zh) * 2013-04-02 2013-07-10 国家电网公司 光缆护管端口密封托架

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103197392A (zh) * 2013-04-02 2013-07-10 国家电网公司 光缆护管端口密封托架

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Granted publication date: 20131120