Multi-row fiber jumper protection sleeve
A technology for protecting sleeves and fiber jumpers, applied in the direction of fiber mechanical structure, etc., can solve the problems of difficult maintenance, difficult to pass through fiber jumpers, easy to damage fiber jumpers, etc., to achieve low cost, simple and convenient maintenance work, and improved work efficiency. The effect of efficiency
Active Publication Date: 2016-07-06
STATE GRID CORP OF CHINA +2
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Problems solved by technology
[0003] The present invention improves the above problems, that is, the technical problem to be solved by the present invention is that the existing fiber jumpers are easy to damage the laid fiber jumpers, and the other fiber jumpers in the tube and the corrugations on the inner wall of the bellows increase the resistance, and the jumpers The fiber is not easy to pass through, and the maintenance is difficult
Method used
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[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0015] Such as Figure 1~2 As shown, a multi-row jumper protective sleeve includes a corrugated outer tube 10, and at least three sub-tubes 20 for placing fiber jumpers are arranged in the sleeve 10, and the outer tube There is a filling layer 30 between the sub-pipe, the material of the filling layer 30 can be sponge, soft glue or other soft materials, and it can also be a composite material such as a fiber material with strong compression resistance. In order to improve the waterproof performance, the external A waterproof plastic film is provided between the pipe 10 and the filling layer 30 .
[0016] The outer wall of the sub-tube 20 adopts the corrugated structure of the corrugated tube, and the inner wall adopts a smooth structure to facilitate the introduction of optical fibers. The gap between the outer tube and the sub-tube ...
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The invention provides a multi-row patch cord optical fiber protective bushing which comprises an outer pipe, wherein the outer side of the outer pipe is corrugated. At least three sub pipes used for a patch cord optical fiber to be placed is arranged in the bushing, and a filling layer is arranged between the outer pipe and the sub pipes. The bushing is simple in structure, new patch chord optical fibers can be conveniently led into the sub pipes for many times after primary laying due to the arrangement of the sub pipes, work efficiency is greatly improved, and the situation that an existing patch chord optical fiber bushing easily damages patch chord optical fibers laid in the corrugated pipe during later maintenance is avoided. The bushing has the advantages of being low in cost, good in practicality, high in efficiency, convenient to use and easy to popularize. Besides, a structure allowing the outer pipe to stretch and retract conveniently during maintenance is further arranged, and accordingly the patch chord optical fibers are easy and convenient to maintain.
Description
technical field [0001] The invention relates to a multi-row fiber jumper protection sleeve. Background technique [0002] In the power communication system, the laying of the fiber jumper in the communication room is usually carried out in the way of downward routing. In order to prevent the fiber jumper from being damaged by external forces, a single corrugated tube is generally used to protect the fiber jumper. With the rapid development of power communication, the capacity of equipment is increasing continuously. The jumper fiber that was originally laid is often not enough to use, and the jumper fiber must be re-layed. There are two methods usually used: one is to introduce a new one into the original bellows by using a threader This method may damage the already laid jumper in the bellows, and the other jumpers in the tube and the corrugation of the inner wall of the bellows increase the resistance, making it difficult for the jumper to pass through. The second is to r...
Claims
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IPC IPC(8): G02B6/44
Inventor 侯旭东涂林峰张彦林志华曾国强徐强
Owner STATE GRID CORP OF CHINA