CN104977682A - Cable with prevention of bite by rodent - Google Patents
Cable with prevention of bite by rodent Download PDFInfo
- Publication number
- CN104977682A CN104977682A CN201510425544.7A CN201510425544A CN104977682A CN 104977682 A CN104977682 A CN 104977682A CN 201510425544 A CN201510425544 A CN 201510425544A CN 104977682 A CN104977682 A CN 104977682A
- Authority
- CN
- China
- Prior art keywords
- protection against
- sheath
- tooth
- against rodents
- optical cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- 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
- G02B6/4401—Optical cables
- G02B6/441—Optical cables built up from sub-bundles
-
- 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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The present invention discloses a cable with the prevention of bite by a rodent. The cable comprises a protection sleeve and a center sleeve pipe arranged in the middle of the protection sleeve. The center sleeve pipe is filled with fiber paste, and a plurality of fibers are fixed in the center sleeve pipe. The outer wall of the protection sleeve is sleeved by anti-rat teeth, an anti-rat layer is formed by the composition of the anti-rat teeth and polyurethane, and the outer wall of the center sleeve pipe is coated by the anti-rat layer. The anti-rat teeth are annular and are formed by multiple mutually connected tooth bars with the ridge-shaped cross sections, and the anti-rat teeth are made of elastic metal sheet materials. When rats appear, the rats bite the anti-rat layer until ridge-shaped tooth bars which sleeve the outer wall of the protection sleeve are exposed, the ridge-shaped tooth bars have sharp prongs and are made of the elastic metal sheet materials, the rats selectively avoid shaped objects in biting and are damaged to a certain degree when the rates continue to bite the shaped objects, and thus the further damage of the cable by the rats is effectively limited by the anti-rat teeth.
Description
Technical field
The present invention relates to fiber optic cable manufacture field, specifically refer to the optical cable that a kind of anti-rodent baits.
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.
Summary of the invention
The object of the present invention is to provide the optical cable that a kind of anti-rodent baits, 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.
Object of the present invention is achieved through the following technical solutions:
The optical cable that a kind of anti-rodent baits, 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 protection against rodents tooth, described protection against rodents tooth and polyurethane are compounded to form protection against rodents layer, and the outer wall of described center sleeve wraps up by described protection against rodents layer, described protection against rodents tooth ringwise and the tooth bar being ridge shape by multiple interconnective cross section form, described protection against rodents tooth is elastic sheet metal material.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 present invention 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 circle protection against rodents tooth of the outer wall of sheath, described protection against rodents tooth and polyurethane are compounded to form protection against rodents layer, and sheath wraps up by this protection against rodents layer completely, namely processing and manufacturing of the present invention is realized, and the present invention in use, when running into mouse and suffering from, mouse baits protection against rodents layer until the ridge shape tooth bar being set in sheath outer wall is out exposed, and this ridge shape tooth bar has comparatively sharp crown, and this is as elastic sheet metal material, mouse optionally avoids the object of sharp keen shape when baiting, and continues to bait and easily cause certain injury to it, and therefore protection against rodents tooth has contained that mouse is destroyed the continuation of optical cable effectively, and the structures such as the sheath of optical cable inside and center sleeve stand intact, can ensure that the serviceability of optical cable is not by the impact of protection against rodents layer breakage, and be positioned at the impact that RC optical fiber can not be subject to extraneous moisture simultaneously, 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, finally to reach when being reduced in Mountainous Regions optical cable laying mouse to suffer from etc. and cause to optical cable the object had a strong impact on.
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.
Described tooth bar two waist is fixed with the little tooth highly successively decreased successively along its summit to bottom.For strengthening effect of protection against rodents layer further, in cross section be ridge shape tooth bar two waist on, direction along its summit to bottom is disposed with the little tooth highly successively decreased, namely the sharp-pointed area on protection against rodents tooth is increased, reduce the area that mouse can bait for its selection when baiting, and then realization reduction mouse suffers from the impact on optical cable.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the structures such as the sheath of optical cable inside of the present invention and center sleeve stand intact, can ensure that the serviceability of optical cable is not by the impact of protection against rodents layer breakage, and be positioned at the impact that RC optical fiber can not be subject to extraneous moisture simultaneously, 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, finally to reach when being reduced in Mountainous Regions optical cable laying mouse to suffer from etc. and cause to optical cable the object had a strong impact on,
2, the present invention 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 present invention is on tooth bar two waist of ridge shape in cross section, direction along its summit to bottom is disposed with the little tooth highly successively decreased, namely increase the sharp-pointed area on protection against rodents tooth, the area that reduction mouse can bait for its selection when baiting, and then realize reducing the impact of mouse trouble on optical cable.。
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Mark and corresponding parts title in accompanying drawing:
The fine cream of 1-sheath, 2-protection against rodents tooth, 3-cavity, 4-reticulate pattern composite band, 5-waterstop, 6-center sleeve, 7-optical fiber, 8-.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, 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 protection against rodents tooth 2, described protection against rodents tooth 2 is compounded to form protection against rodents layer with polyurethane, and the outer wall of described sheath 1 wraps up by described protection against rodents layer, described protection against rodents tooth 2 ringwise and the tooth bar being ridge shape by multiple interconnective cross section form, described protection against rodents tooth 2 is elastic sheet metal material.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 present invention 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 circle protection against rodents tooth 2 of the outer wall of sheath 1, described protection against rodents tooth 2 is compounded to form protection against rodents layer with polyurethane, and sheath 1 wraps up by this protection against rodents layer completely, namely processing and manufacturing of the present invention is realized, and in use, when running into mouse and suffering from, mouse baits protection against rodents layer until the ridge shape tooth bar being set in sheath 1 outer wall is out exposed, and this ridge shape tooth bar has comparatively sharp crown, and this is as elastic sheet metal material, mouse optionally avoids the object of sharp keen shape when baiting, and continues to bait and easily cause certain injury to it, and therefore protection against rodents tooth 2 has contained that mouse is destroyed the continuation of optical cable effectively, and the structures such as the sheath 1 of optical cable inside and center sleeve 6 stand intact, can ensure that the serviceability of optical cable is not by the impact of protection against rodents layer breakage, and be positioned at the impact that RC optical fiber 7 can not be subject to extraneous moisture simultaneously, 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 is all filled with fine cream 8 simultaneously, the effect of mechanical damping can also be played while can being fixed center sleeve 6 and optical fiber 7 to a certain extent, finally to reach when being reduced in Mountainous Regions optical cable laying mouse to suffer from etc. and cause to optical cable the object had a strong impact on.
Further; 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, described tooth bar two waist is fixed with the little tooth highly successively decreased successively along its summit to bottom.For strengthening effect of protection against rodents layer further, in cross section be ridge shape tooth bar two waist on, direction along its summit to bottom is disposed with the little tooth highly successively decreased, namely the sharp-pointed area on protection against rodents tooth 2 is increased, reduce the area that mouse can bait for its selection when baiting, and then realization reduction mouse suffers from the impact on optical cable.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. the optical cable baited of an anti-rodent, comprise sheath (1) and be arranged on the center sleeve (6) at sheath (1) middle part, it is characterized in that: in described center sleeve (6), be filled with fine cream (8), and in multiple optical fiber (7) dead center sleeve pipe (6), the outer wall of described sheath (1) is arranged with protection against rodents tooth (2), described protection against rodents tooth (2) and polyurethane are compounded to form protection against rodents layer, and the outer wall of described sheath (1) wraps up by described protection against rodents layer, described protection against rodents tooth (2) ringwise and the tooth bar being ridge shape by multiple interconnective cross section form, described protection against rodents tooth (2) is elastic sheet metal material.
2. the optical cable baited of a kind of anti-rodent 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. the optical cable baited of a kind of anti-rodent according to claim 1, is characterized in that: on described tooth bar two waist, be fixed with the little tooth highly successively decreased successively along its summit to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510425544.7A CN104977682A (en) | 2015-07-20 | 2015-07-20 | Cable with prevention of bite by rodent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510425544.7A CN104977682A (en) | 2015-07-20 | 2015-07-20 | Cable with prevention of bite by rodent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104977682A true CN104977682A (en) | 2015-10-14 |
Family
ID=54274345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510425544.7A Pending CN104977682A (en) | 2015-07-20 | 2015-07-20 | Cable with prevention of bite by rodent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104977682A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125220A (en) * | 2016-07-18 | 2016-11-16 | 江苏中天科技股份有限公司 | A kind of anti-animal of nonmetal lightweight bites optical cable |
| CN107290831A (en) * | 2017-07-31 | 2017-10-24 | 杭州富通通信技术股份有限公司 | Butterfly optical cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07134231A (en) * | 1993-11-08 | 1995-05-23 | Hitachi Cable Ltd | Non-metallic type optical fiber cable for direct embedment |
| CN201549268U (en) * | 2009-06-24 | 2010-08-11 | 沈群华 | Biting-resisting cable |
| CN201556469U (en) * | 2009-06-24 | 2010-08-18 | 沈群华 | Anti-biting cable |
| CN201984191U (en) * | 2011-01-10 | 2011-09-21 | 珠海汉胜科技股份有限公司 | Air-blowing optical fiber micro-cable |
| CN204925467U (en) * | 2015-07-20 | 2015-12-30 | 成都亨通兆业精密机械有限公司 | Outdoor rodent -resistant cable |
-
2015
- 2015-07-20 CN CN201510425544.7A patent/CN104977682A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07134231A (en) * | 1993-11-08 | 1995-05-23 | Hitachi Cable Ltd | Non-metallic type optical fiber cable for direct embedment |
| CN201549268U (en) * | 2009-06-24 | 2010-08-11 | 沈群华 | Biting-resisting cable |
| CN201556469U (en) * | 2009-06-24 | 2010-08-18 | 沈群华 | Anti-biting cable |
| CN201984191U (en) * | 2011-01-10 | 2011-09-21 | 珠海汉胜科技股份有限公司 | Air-blowing optical fiber micro-cable |
| CN204925467U (en) * | 2015-07-20 | 2015-12-30 | 成都亨通兆业精密机械有限公司 | Outdoor rodent -resistant cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125220A (en) * | 2016-07-18 | 2016-11-16 | 江苏中天科技股份有限公司 | A kind of anti-animal of nonmetal lightweight bites optical cable |
| CN107290831A (en) * | 2017-07-31 | 2017-10-24 | 杭州富通通信技术股份有限公司 | Butterfly optical cable |
| CN107290831B (en) * | 2017-07-31 | 2019-05-24 | 杭州富通通信技术股份有限公司 | Butterfly optical cable |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |
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| RJ01 | Rejection of invention patent application after publication |