CN204882981U

CN204882981U - Rodent -resistant cable

Info

Publication number: CN204882981U
Application number: CN201520523932.4U
Authority: CN
Inventors: 吴光武
Original assignee: Chengdu Hengtong Zhaoye Precision Machinery Co Ltd
Current assignee: Chengdu Hengtong Zhaoye Precision Machinery Co Ltd
Priority date: 2015-07-20
Filing date: 2015-07-20
Publication date: 2015-12-16
Anticipated expiration: 2025-07-20

Abstract

The utility model discloses a rodent -resistant cable, including sheath and the central sleeve pipe of setting at the sheath middle part, center sleeve pipe intussuseption is filled with fine cream, and a plurality of optic fibre permanent centers cover is intraductal the cover is equipped with the reinforced pipe on the outer wall of sheath, just is in it has a plurality of cavitys to open in the reinforced pipe, and the cavity intussuseption is filled with the capsaicin, the multiunit of cavity for distributing along the reinforced pipe centre of a circle, and every group cavity includes evenly distributed a plurality of on the reinforced pipe circumferencial direction. Do not set up any metal components in the reinforced pipe, promptly under reinforced pipe, sheath and the multiple protection of central sheathed tube, the optic fibre that lies in positive center can not receive the influence of external moisture, so guarantee the optical cable in the rich pool territory area in mountain region steady job performance, the life of extension optical cable.

Description

A kind of rodent-resistant cable

Technical field

The utility model relates to fiber optic cable manufacture field, specifically refers to a kind of rodent-resistant cable.

Background technology

In daily life, because light is more much lower in the loss of electric wire conduction than electricity in fibre-optic conduction loss, optical fiber is used as the information transmission of long distance.Most optical fiber before use must be coated by which floor operator guards, and namely the cable after coated is called as optical cable, and the protective seam of fiber outer layer and insulation course can prevent surrounding environment to the injury of optical fiber, Ru Shui, fire, electric shock etc.

For the requirement with optical cable laying landform, while meeting optical cable transmission performance, also require that optical cable meets the applicability to laying environment, as the optical cable laying demand fulfillment insect protected at Mountainous Regions destroys, the particularly rodent such as mouse, existing rodent-resistant cable mainly adopts two kinds of forms: 1, adopt chemical method, capsicim is increased in Cable jacket materials, this kind of method meeting environmental concerns in production run and use, as time goes by simultaneously, capsicim easily volatilizees from sheath material, causes optical cable to lose protection against rodents ability; 2, mechanical means is adopted, mainly increase the number of plies of steel-tape armouring and the thickness of steel band, this kind of method increases causing the weight of optical cable, cost raises, and difficulty of construction is large, be not suitable for the built on stilts construction in mountain area especially, simultaneously after oversheath is snapped, steel band is exposed as easy as rolling off a logly in atmosphere to get rusty, and loses anti-rat.

Utility model content

The purpose of this utility model is to provide a kind of rodent-resistant cable, with reach be reduced in Mountainous Regions optical cable laying time mouse suffer from etc. the object had a strong impact on is caused to optical cable.

The purpose of this utility model is achieved through the following technical solutions:

A kind of rodent-resistant cable, comprise sheath and be arranged on the center sleeve in the middle part of sheath, fine cream is filled with in described center sleeve, and in multiple optical fiber dead center sleeve pipe, the outer wall of described sheath is arranged with reinforced pipe, and have along its axis the cavity that multiple cross section is ellipse in described reinforced pipe, capsicim is filled with in cavity, described cavity is many groups along the distribution of the reinforced pipe center of circle, and often organize cavity and comprise and be evenly distributed on reinforced pipe circumferentially multiple, and in described cavity, be arranged at intervals with multiple anti-overflow piece, the described anti-overflow block of elastic caoutchouc contacted with each other by two ends is formed, the other end of elastic caoutchouc is fixed on cavity inner wall, also comprise connector, described connector is set on sheath, and the end of center sleeve runs through the middle part of described connector, and described connector offers the L shape through hole with multiple cavity connects.For in prior art, the optical cable laying of Mountainous Regions is vulnerable to the destruction of the rodents such as mouse, cause the sheath of optical cable impaired, and the metallic supports being positioned at sheath is easily subject to cargo sweat, and then shorten the problem in optical cable serviceable life, the utility model is first at the middle part dead center sleeve pipe of sheath, ensure the outer circle wall of center sleeve and the inwall close contact of sheath simultaneously, after in multiple optical fiber centering sleeve pipe, fine cream is filled again in center sleeve, jacket inner wall is completely supported, and then at the sheathed one deck reinforced pipe of the outer wall of sheath, and in reinforced pipe, offer multiple cavity, the material that capsicim etc. can expel mouse is filled in cavity, and by multiple cavity by many groups that distribute along the reinforced pipe center of circle, and often organize cavity and comprise and be evenly distributed on reinforced pipe multiple mode circumferentially and arrange, namely the processing of optical cable is completed, and the utility model in use, when running into mouse and suffering from, mouse baits reinforced pipe until the cavity on reinforced pipe is broken, namely discharge capsicim to stop baiting further of mouse at once, any hardware is not set in reinforced pipe simultaneously, namely at reinforced pipe, under the multiple protective of sheath and center sleeve, be positioned at the impact that RC optical fiber can not be subject to extraneous moisture, and then ensure the serviceability that optical cable is stable in water enrichment area area, mountain region, extend the serviceable life of optical cable, in center sleeve, the gap location of multiple optical fiber is all filled with fine cream simultaneously, the effect of mechanical damping can also be played while can being fixed sleeve pipe and optical fiber to a certain extent, final realization ensures the compact of optical cable inner structure, improve the object of the counter-bending and damage-retardation performance of optical cable.

Further, after optical cable is broken by the teeth by mouse, the capsicim being positioned at cavity can scatter very soon, thus lose the function of rat destruction, and the utility model interval in cavity arranges multiple anti-overflow piece, again multiple less cavity is divided into by cavity, serious region, location is suffered from mouse, when the capsicim in cavity runs off totally, operating personnel supplement capsicim by the connector being positioned at sheath end again to each cavity, ensure the repellent effect of optical cable, concrete injection flow process is as follows: capsicim is injected into the gap location between sheath and connector inwall by L shape through hole, then the cavity wall along multiple cavity flows into cavity, along with the increase of injecting capsicim amount, pressure in cavity increases, there is gap in the anti-overflow piece of middle part that the elastic caoutchouc that cavity inner wall contacts with each other by two is formed, namely capsicim enters next little cavity by this gap, until fill each little cavity, simultaneously, the anti-overflow piece of refluence that can stop capsicim, multiple little cavity is made to form relatively independent part, continue to keep the expulsion effect to mouse.

Described jacket inner wall is disposed with reticulate pattern composite band, waterstop along the radial inward of described sheath, and the outer wall of described center sleeve contacts with the inwall of waterstop.The reticulate pattern composite band radially-inwardly set gradually along sheath, waterstop play multi-stage protection effect to sleeve pipe simultaneously; reticulate pattern composite band can further improve the bend performance of optical cable simultaneously; waterstop can prevent from scurrying in optical fiber in the location part aqueous vapor of water enrichment area; while ensureing that serviceability stablized by optical fiber, be reduced in cable bend stressed time optical fiber impaired probability.

The many groups of interlaced settings of described cavity.As preferably; the annular that multiple cavity is formed is crisscross arranged; realize protecting the multilayer of reinforced pipe; namely after the cavity of ground floor destruction makes part capsicim discharge by mouse; secondary is carried out when baiting in the same position of remaining mouse to optical cable, and the capsicim in the cavity of the second layer and cavity can carry out secondary protection to it, the like; the reinforced pipe be set on sheath can carry out multiple protective to the core of optical cable, and then reaches the object in the serviceable life extending optical cable.

The utility model compared with prior art, has following advantage and beneficial effect:

1, the utility model is under the multiple protective of reinforced pipe, sheath and center sleeve, be positioned at the impact that RC optical fiber can not be subject to extraneous moisture, and then ensure the serviceability that optical cable is stable in water enrichment area area, mountain region, extend the serviceable life of optical cable, in center sleeve, the gap location of multiple optical fiber is all filled with fine cream simultaneously, the effect of mechanical damping can also be played while can being fixed sleeve pipe and optical fiber to a certain extent, final realization ensures the compact of optical cable inner structure, improves the object of the counter-bending and damage-retardation performance of optical cable;

2, the utility model radially-inwardly sets gradually along sheath reticulate pattern composite band, waterstop play multi-stage protection effect to sleeve pipe simultaneously, reticulate pattern composite band can further improve the bend performance of optical cable simultaneously, waterstop can prevent from scurrying in optical fiber in the location part aqueous vapor of water enrichment area, while ensureing that serviceability stablized by optical fiber, be reduced in cable bend stressed time optical fiber impaired probability;

3, the utility model is after the cavity of ground floor destruction makes part capsicim discharge by mouse; secondary is carried out when baiting in the same position of remaining mouse to optical cable; capsicim in the cavity of the second layer and cavity can carry out secondary protection to it; the like; the reinforced pipe be set on sheath can carry out multiple protective to the core of optical cable, and then reaches the object in the serviceable life extending optical cable.

Accompanying drawing explanation

Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation of connector;

Mark and corresponding parts title in accompanying drawing:

1-sheath, 2-reinforced pipe, 3-cavity, 4-reticulate pattern composite band, 5-waterstop, 6-center sleeve, 7-optical fiber, 8-fine cream, 9-connector, 10-L shape through hole, anti-overflow piece of 11-.

Embodiment

Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.

Embodiment 1

As depicted in figs. 1 and 2, the present embodiment comprises sheath 1 and is arranged on the center sleeve 6 in the middle part of sheath 1, fine cream 8 is filled with in described center sleeve 6, and in multiple optical fiber 7 dead center sleeve pipe 6, the outer wall of described sheath 1 is arranged with reinforced pipe 2, and have along its axis the cavity 3 that multiple cross section is ellipse in described reinforced pipe 2, capsicim is filled with in cavity 3, described cavity 3 is many groups along the distribution of reinforced pipe 2 center of circle, and often organize cavity 3 and comprise and be evenly distributed on reinforced pipe 2 circumferentially multiple, and be arranged at intervals with multiple anti-overflow piece 11 in described cavity 3, described anti-overflow piece 11 elastic caoutchouc contacted with each other by two ends is formed, the other end of elastic caoutchouc is fixed on cavity 3 inwall, also comprise connector 9, described connector 9 is set on sheath 1, and the end of center sleeve 6 runs through the middle part of described connector 9, and described connector 9 offers the L shape through hole 10 be communicated with multiple cavity 3.For in prior art, the optical cable laying of Mountainous Regions is vulnerable to the destruction of the rodents such as mouse, cause the sheath of optical cable impaired, and the metallic supports being positioned at sheath is easily subject to cargo sweat, and then shorten the problem in optical cable serviceable life, the utility model is first at the middle part dead center sleeve pipe 6 of sheath 1, ensure the outer circle wall of center sleeve 6 and the inwall close contact of sheath 1 simultaneously, after in multiple optical fiber 7 centering sleeve pipe 6, fine cream 8 is filled again in center sleeve 6, sheath 1 inwall is completely supported, and then at the sheathed one deck reinforced pipe 2 of the outer wall of sheath 1, and in reinforced pipe 2, offer multiple cavity 3, the material that capsicim etc. can expel mouse is filled in cavity 3, and by multiple cavity 3 by many groups that distribute along reinforced pipe 2 center of circle, and often organize cavity 3 and comprise and be evenly distributed on reinforced pipe 2 multiple mode circumferentially and arrange, namely the processing of optical cable is completed, and the utility model in use, when running into mouse and suffering from, mouse baits reinforced pipe 2 until the cavity 3 on reinforced pipe 2 is broken, namely discharge capsicim to stop baiting further of mouse at once, any hardware is not set in reinforced pipe 2 simultaneously, namely at reinforced pipe 2, under the multiple protective of sheath 1 and center sleeve 6, be positioned at the impact that RC optical fiber 7 can not be subject to extraneous moisture, and then ensure the serviceability that optical cable is stable in water enrichment area area, mountain region, extend the serviceable life of optical cable, in center sleeve 6, the gap location of multiple optical fiber 7 is all filled with fine cream 8 simultaneously, the effect of mechanical damping can also be played while can being fixed sleeve pipe and optical fiber 7 to a certain extent, final realization ensures the compact of optical cable inner structure, improve the object of the counter-bending and damage-retardation performance of optical cable.

Further, after optical cable is broken by the teeth by mouse, the capsicim being positioned at cavity 3 can scatter very soon, thus lose the function of rat destruction, and the present embodiment interval in cavity 3 arranges multiple anti-overflow piece 11, again multiple less cavity is divided into by cavity 3, serious region, location is suffered from mouse, when the capsicim in cavity 3 runs off totally, operating personnel supplement capsicim by the connector being positioned at sheath 1 end again to each cavity 3, ensure the repellent effect of optical cable, concrete injection flow process is as follows: capsicim is injected into the gap location between sheath 1 and connector 9 inwall by L shape through hole 10, then the cavity wall along multiple cavity 3 flows into cavity 3, along with the increase of injecting capsicim amount, pressure in cavity 3 increases, gap is there is in the middle part of anti-overflow piece 11 that makes to be made up of two elastic caoutchoucs contacted with each other on cavity 3 inwall, namely capsicim enters next little cavity by this gap, until fill each little cavity, simultaneously, the refluence of capsicim can be stoped for anti-overflow piece 11, multiple little cavity is made to form relatively independent part, continue to keep the expulsion effect to mouse.

The reticulate pattern composite band 4 radially-inwardly set gradually along sheath 1, waterstop 5 play multi-stage protection effect to sleeve pipe simultaneously; reticulate pattern composite band 4 can further improve the bend performance of optical cable simultaneously; waterstop 5 can prevent from scurrying in optical fiber 7 in the location part aqueous vapor of water enrichment area; while ensureing optical fiber 7 steady operation performance, be reduced in cable bend stressed time optical fiber 7 impaired probability.

As preferably; the annular that multiple cavity 3 is formed is crisscross arranged; realize protecting the multilayer of reinforced pipe 2; namely after the cavity 3 of ground floor destruction makes part capsicim discharge by mouse; secondary is carried out when baiting in the same position of remaining mouse to optical cable; capsicim in the cavity 3 of the second layer and cavity 3 can carry out secondary protection to it; the like; the reinforced pipe 2 be set on sheath 1 can carry out multiple protective to the core of optical cable, and then reaches the object in the serviceable life extending optical cable.

Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims

1. a rodent-resistant cable, comprise sheath (1) and be arranged on the center sleeve (6) at sheath (1) middle part, fine cream (8) is filled with in described center sleeve (6), and in multiple optical fiber (7) dead center sleeve pipe (6), it is characterized in that: on the outer wall of described sheath (1), be arranged with reinforced pipe (2), and be oval cavity (3) having multiple cross section along its axis in described reinforced pipe (2), cavity is filled with capsicim in (3), described cavity (3) is many groups along the distribution of reinforced pipe (2) center of circle, and often organize cavity (3) and comprise and be evenly distributed on reinforced pipe (2) circumferentially multiple, and be arranged at intervals with in described cavity (3) multiple anti-overflow piece (11), the elastic caoutchouc that described anti-overflow piece (11) are contacted with each other by two ends is formed, the other end of elastic caoutchouc is fixed on cavity (3) inwall, also comprise connector (9), described connector (9) is set on sheath (1), and the end of center sleeve (6) runs through the middle part of described connector (9), and described connector (9) offers the L shape through hole (10) be communicated with multiple cavity (3).

2. a kind of rodent-resistant cable according to claim 1, it is characterized in that: on described sheath (1) inwall, be disposed with reticulate pattern composite band (4), waterstop (5) along the radial inward of described sheath (1), and the outer wall of described center sleeve (6) contacts with the inwall of waterstop (5).

3. a kind of rodent-resistant cable according to claim 1, is characterized in that: described cavity (3) the interlaced setting of many groups.