CN111913264A - Optical cable capable of driving rats and ants - Google Patents

Optical cable capable of driving rats and ants Download PDF

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Publication number
CN111913264A
CN111913264A CN202010944444.6A CN202010944444A CN111913264A CN 111913264 A CN111913264 A CN 111913264A CN 202010944444 A CN202010944444 A CN 202010944444A CN 111913264 A CN111913264 A CN 111913264A
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China
Prior art keywords
optical cable
layer
cutting
area
protective layer
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Pending
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CN202010944444.6A
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Chinese (zh)
Inventor
周永明
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Hangzhou Futong Communication Technology Co Ltd
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Hangzhou Futong Communication Technology Co Ltd
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Priority to CN202010944444.6A priority Critical patent/CN111913264A/en
Publication of CN111913264A publication Critical patent/CN111913264A/en
Pending legal-status Critical Current

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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
    • G02B6/4401—Optical cables
    • G02B6/4429—Means specially adapted for strengthening or protecting the cables
    • G02B6/443—Protective covering
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
    • A01M29/12—Scaring or repelling devices, e.g. bird-scaring apparatus using odoriferous substances, e.g. aromas, pheromones or chemical agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • 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
    • G02B6/4432—Protective covering with fibre reinforcements
    • 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

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Insects & Arthropods (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Birds (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Insulated Conductors (AREA)

Abstract

The application discloses an optical cable capable of repelling rats and ants, which comprises an optical cable unit, a foaming layer, a winding coating layer and a protective layer, wherein the optical cable unit, the foaming layer, the winding coating layer and the protective layer are sequentially arranged from inside to outside; the foaming layer is filled with the medicament that is used for driving rat ant, and the inoxidizing coating divide into first region and second region, and the structural strength in first region is greater than the second region, and first region is provided with a plurality of cutting constant head tanks along optical cable length direction interval. The utility model provides an optical cable can store the medicament that drives rat and ant through the foaming layer, sets up the winding coating and can conveniently extrude the processing and go out the inoxidizing coating on the foaming layer that is filled with the medicament. During the actual use, can cut the cutting constant head tank as required, cut through the cutter in proper order and break inoxidizing coating and winding coating, the intraformational medicament of foaming can distribute out from cutting the gap like this, initiatively drives mouse ant. The structural strength of the first area of the protective layer is larger than that of the second area, so that the whole protective layer is not easy to break even if the first area is cut into a gap.

Description

Optical cable capable of driving rats and ants
Technical Field
The invention relates to the field of optical cables, in particular to an optical cable capable of repelling rats and ants.
Background
The existing rat-proof optical cable is a passive defense structure, for example, an optical cable with a built-in rat repelling medicament can only emit the rat repelling medicament when being bitten by rats and ants, but the surface of the optical cable is seriously damaged at the moment. Therefore, an active rat and ant repelling optical cable is urgently needed to prevent rats and ants from biting the optical cable.
Disclosure of Invention
Aiming at the problems, the invention provides an optical cable capable of repelling rats and ants.
The technical scheme adopted by the invention is as follows:
an optical cable capable of repelling rats and ants comprises an optical cable unit, a foaming layer, a winding coating layer and a protective layer which are sequentially arranged from inside to outside; the foaming layer is filled with a medicament for driving rats and ants, the protective layer is divided into a left area and a right area, one area is a first area, the other area is a second area, the structural strength of the first area is greater than that of the second area, and a plurality of cutting positioning grooves are arranged in the first area at intervals along the length direction of the optical cable.
The utility model provides an optical cable can store the medicament that drives rat and ant through the foaming layer, sets up the winding coating and can conveniently extrude the processing and go out the inoxidizing coating on the foaming layer that is filled with the medicament. During the actual use, can cut the cutting constant head tank as required, cut through the cutter in proper order and break inoxidizing coating and winding coating, the intraformational medicament of foaming can distribute out from cutting the gap like this, initiatively drives mouse ant. The structural strength of the first area of the protective layer is larger than that of the second area, so that the whole protective layer is not easy to break even if the first area is cut into a gap.
The structural strength referred to herein is specifically the tensile and compressive strength. In practical use, the winding coating layer can be formed by winding or extruding waterproof cloth, a PP film, a PE film, a PVC film or the like on the outer side of the foaming layer.
In practical use, the foaming layer may be a material having a certain hardness and having a void structure, such as a sponge or a capillary tube.
In one embodiment of the present invention, the optical cable unit includes a reinforcing member, a loose tube and a sheath layer, which are sequentially disposed from inside to outside, the loose tube has an optical fiber therein, and the foaming layer is coated on an outer side of the sheath layer.
In practice, ointment is preferably filled between the loose tubes.
In one embodiment of the present invention, there are a plurality of the loose tubes.
In one embodiment of the present invention, two adjacent cutting positioning grooves are disposed in a staggered manner.
In one embodiment of the present invention, the cutting positioning groove is adjacent to the second area.
In one embodiment of the present invention, two i-shaped members are embedded in the protective layer, the two i-shaped members are symmetrically disposed in the protective layer, and one side of each i-shaped member is located in the first region, and the other side of each i-shaped member is located in the second region.
One side of the I-shaped piece is positioned in the first area, and the other side of the I-shaped piece is positioned in the second area, so that the I-shaped piece can ensure the reliable connection of the two areas, and the two areas are prevented from cracking at the connection position due to different formulas or strengths.
In one embodiment of the present invention, the length direction of the cutting positioning groove is perpendicular to the length direction of the protective layer, the cutting positioning groove is used for being matched with a cutting tool, the cutting tool includes a base, one side of the base is provided with an arc-shaped side wall matched with the outer side wall of the protective layer, the other side of the base is provided with a handle, and a cutting blade is fixed at the arc-shaped side wall; when the cutting tool operates, cutting blade embedding corresponds cutting constant head tank, and the arc lateral wall supports with the lateral wall of inoxidizing coating and leans on, and cutting blade's cutting edge gets into the foaming layer after passing inoxidizing coating and winding coating in proper order, makes the intraformational medicament of foaming outwards give off through the gap of cutting out.
Can convenient and fast cut through cutting means, the arc lateral wall can carry on spacingly, when guaranteeing that cutting blade cuts broken inoxidizing coating and winding coating, prevents to cut too deeply, destroys the restrictive coating.
In one embodiment of the present invention, the cutting edge of the cutting blade is a convex arc structure.
In one embodiment of the present invention, the sheath layer has a convex portion on an outer side thereof, and the foam layer has a concave portion engaged with the convex portion.
Through the cooperation of convex part and concave part, can make the better outside of fixing at the restrictive coating of foaming layer, prevent that both from taking place axial displacement.
The invention has the beneficial effects that: the utility model provides an optical cable can store the medicament that drives rat and ant through the foaming layer, sets up the winding coating and can conveniently extrude the processing and go out the inoxidizing coating on the foaming layer that is filled with the medicament. During the actual use, can cut the cutting constant head tank as required, cut through the cutter in proper order and break inoxidizing coating and winding coating, the intraformational medicament of foaming can distribute out from cutting the gap like this, initiatively drives mouse ant. The structural strength of the first area of the protective layer is larger than that of the second area, so that the whole protective layer is not easy to break even if the first area is cut into a gap.
Description of the drawings:
FIG. 1 is a schematic structural view of an optical cable capable of repelling rats and ants;
FIG. 2 is a side view of a fiber optic cable capable of repelling rats and ants;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a sectional view of the cable unit;
FIG. 5 is a schematic view of a cutting tool;
FIG. 6 is a schematic view of a protective layer mold;
FIG. 7 is a schematic view of another angle of the armor layer mold;
FIG. 8 is a schematic view of the armor layer mold in operation;
FIG. 9 is a schematic view of a cutting apparatus;
FIG. 10 is a schematic view of the tooling assembly with the power ram positioned obliquely downward;
FIG. 11 is a schematic view of the tooling assembly with the power ram disposed obliquely upward;
FIG. 12 is a cross-sectional view of a sheath extrusion die;
FIG. 13 is a schematic view of a plurality of rollers engaging a cable.
The figures are numbered:
1. an optical cable unit; 2. a foamed layer; 3. winding a coating layer; 4. a protective layer; 5. a first region; 6. a second region; 7. cutting a positioning groove; 8. a reinforcement; 9. loosening the sleeve; 10. a sheath layer; 11. an optical fiber; 12. a forming member; 13. a cutting tool; 14. a base; 15. an arcuate sidewall; 16. a grip; 17. a cutting blade; 18. a protective layer mold; 19. a limiting sleeve; 20. injection molding a sleeve; 21. a step; 22. a tool-shaped groove; 23. a feed inlet; 24. a conveyor belt; 25. a parallel portion; 26. processing the assembly; 27. a fixed seat; 28. erecting a rod; 29. an electric push rod; 30. electric sawing; 31. a sheath extrusion molding die; 32. a mold core; 33. a slider; 34. a connecting rod; 35. a telescopic element; 36. a feed channel; 37. a strip-shaped notch; 38. an entrance end; 39. an outlet end; 100. an optical cable.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 2 and 3, an optical cable capable of repelling rats and ants comprises an optical cable unit 1, a foaming layer 2, a winding coating layer 3 and a protective layer 4 which are sequentially arranged from inside to outside; foaming layer 2 is filled with the medicament that is used for driving rat ant, and protective layer 4 divide into two regions about, and one of them is first region 5, and another is second region 6, and the structural strength of first region 5 is greater than the structural strength of second region 6, and first region 5 is provided with a plurality of cutting constant head tank 7 along optical cable length direction interval.
The utility model provides an optical cable can store the medicament that drives rat and ant through foaming layer 2, sets up winding coating 3 and can conveniently extrude extrusion processing out inoxidizing coating 4 on the foaming layer 2 that is filled with the medicament. During the actual use, can cut cutting positioning groove 7 as required, cut through the cutter in proper order and burst protective layer 4 and winding coating 3, the medicament in foaming layer 2 can distribute out from cutting the gap like this, initiatively drives mouse ant. The structural strength of the first region 5 of the protective layer 4 is greater than the structural strength of the second region 6, so that the entire protective layer 4 is not easily broken even if the first region 5 is slit.
The structural strength referred to herein is specifically the tensile and compressive strength. In practical use, the wrapping layer 3 may be formed by wrapping or extruding waterproof cloth, PP film, PE film, PVC film, or the like around the outer side of the foam layer 2.
In the embodiment, the foaming layer 2 is a hard sponge, and in other embodiments, other hard materials having a void structure may be used.
As shown in fig. 4, in the present embodiment, the optical cable unit 1 includes a reinforcing member 8, a plurality of loose tubes 9, and a sheath layer 10, which are sequentially disposed from inside to outside, the loose tubes 9 have optical fibers 11 therein, and the foam layer 2 covers the sheath layer 10. Ointment is filled between the loose tubes 9.
As shown in fig. 1 and 2, in the present embodiment, two adjacent cutting positioning grooves 7 are arranged in a staggered manner. Adjacent the second zone 6 is a cutting positioning slot 7.
As shown in fig. 1 and 3, in the present embodiment, two i-shaped members 12 are embedded in the protective layer 4, the two i-shaped members 12 are symmetrically disposed in the protective layer 4, and one side of the i-shaped member 12 is located in the first region 5, and the other side is located in the second region 6. The reliable connection of the two regions can be ensured by the form element 12, which is located on one side in the first region 5 and on the other side in the second region 6, and the two regions are prevented from cracking at the connection due to different formulations or strengths.
As shown in fig. 1, 2 and 5, in the present embodiment, the length direction of the cutting positioning groove 7 is perpendicular to the length direction of the protective layer 4, the cutting positioning groove 7 is used for cooperating with a cutting tool 13, the cutting tool 13 includes a base 14, one side of the base 14 has an arc-shaped side wall 15 adapted to an outer side wall of the protective layer 4, the other side has a handle 16, and a cutting blade 17 is fixed at the arc-shaped side wall 15; when cutting means 13 operates, cutting blade 17 imbeds corresponding cutting constant head tank 7, and arc lateral wall 15 supports with the lateral wall of inoxidizing coating 4 and leans on, and cutting blade 17's cutting edge passes inoxidizing coating 4 and twines and enters foaming layer 2 behind the coating 3 in proper order, and the medicament in the messenger foaming layer 2 can outwards give off through the gap of cutting out.
Can convenient and fast cut through cutting means 13, arc lateral wall 15 can carry on spacingly, when guaranteeing that cutting blade 17 cuts broken inoxidizing coating 4 and winding coating 3, prevents to cut too deeply, destroys restrictive coating 10.
As shown in fig. 5, in the present embodiment, the cutting edge of the cutting blade 17 has a convex arc structure.
In actual use, the sheath layer 10 has a convex portion on the outer side thereof, and the foam layer 2 has a concave portion that fits the convex portion. By the engagement of the convex portions and the concave portions, the foam layer 2 can be fixed to the outer side of the sheath layer 10 more favorably, and the axial movement of the both can be prevented.
Example 2
The embodiment discloses a processing method of an optical cable capable of driving rats and ants, which can be used for processing the optical cable of the embodiment 1 and comprises the following steps:
1) extruding a foaming layer 2 on the outer side of the optical cable unit 1;
2) the foaming layer 2 is cooled by passing through a cooling tank filled with a medicament, and the medicament is used for driving rats and ants;
3) winding a separation film on the outer side of the foaming layer 2 to form a winding coating layer 3;
4) extruding a protective layer 4 on the outer side of the winding coating layer 3, wherein the protective layer 4 is divided into a left area and a right area, one area is a first area 5, the other area is a second area 6, and the structural strength of the first area 5 is greater than that of the second area 6;
5) the protective layer 4 is cooled and dried, and cutting positioning grooves 7 arranged at intervals are cut in the first area 5.
In the method, the foaming layer 2 is cooled by passing through a cooling tank filled with the medicament, and the processing mode not only cools the foaming layer 2, but also can fill the medicament into the foaming layer 2; set up winding coating 3 and can make things convenient for extrusion molding processing play inoxidizing coating 4 on the foaming layer 2 that is filled with the medicament. During the actual use, can cut cutting positioning groove 7 as required, cut through the cutter in proper order and burst protective layer 4 and winding coating 3, the medicament in foaming layer 2 can distribute out from cutting the gap like this, initiatively drives mouse ant. The structural strength of the first region 5 of the protective layer 4 is greater than the structural strength of the second region 6, so that the entire protective layer 4 is not easily broken even if the first region 5 is slit.
In actual use, the separation membrane can be a waterproof cloth, a PP membrane, a PE membrane, a PVC membrane or the like.
In actual application, the method can further comprise the step 6): a pigment having a different color from that of the protective layer 4 is sprayed at the cutting positioning groove 7. The spraying pigment can conveniently and quickly identify the cutting positioning groove 7, and the cutting operation is conveniently carried out.
As shown in fig. 6, 7 and 8, the step 4) is performed by using a protective layer mold 18, the protective layer mold 18 comprises a limiting sleeve 19 and an injection molding sleeve 20 which are connected with each other, the inner diameter of the injection molding sleeve 20 is larger than that of the limiting sleeve 19, a step 21 is arranged between the injection molding sleeve 20 and the limiting sleeve 19, the step 21 is provided with two groove-shaped grooves 22 which axially penetrate through the limiting sleeve 19 along the limiting sleeve 19, and the two groove-shaped grooves 22 are symmetrically distributed; the injection molding sleeve 20 has two feed openings 23 uniformly distributed around the axis of the injection molding sleeve 20, and the discharge opening of the feed pipe is positioned in the middle of the two tool grooves 22.
In this application, the two tool-shaped grooves 22 have a plane in the middle, the two tool-shaped grooves 22 are symmetrical about the plane, and the fact that the discharge port of the feeding pipe is located in the middle of the two tool-shaped grooves 22 means that the axis of the discharge port is located on the plane. When the protective layer mold 18 works, the two feed inlets 23 are respectively connected with corresponding feeding devices, the winding coating layer 3 passes through the limiting sleeve 19 and enters the injection molding sleeve 20, the two workpiece parts 12 respectively pass through the corresponding I-shaped grooves 22 and also enter the injection molding sleeve 20, raw materials with different formulas or strengths are injected into the injection molding sleeve 20 through the feeding devices, and finally the protective layer 4 is formed and penetrates out of the injection molding sleeve 20.
As shown in fig. 9 and 10, in the present embodiment, step 5) is performed by a cutting device, the cutting device includes an endless conveyor belt 24 and a plurality of processing assemblies 26 fixed on the conveyor belt 24 at intervals, the processing assemblies 26 are used for cutting the cutting positioning grooves 7, the conveyor belt 24 has a parallel portion 25 parallel to the conveying direction of the optical cable, and the conveyor belt 24 can drive the processing assemblies 26 on the parallel portion 25 to move at the same speed as the optical cable. Through the horizontal part of conveyer belt 24, can realize that processing subassembly 26 removes with optical cable 100 with fast, the processing of convenient cutting constant head tank 7.
As shown in fig. 10, in the present embodiment, the processing assembly 26 includes:
a fixed seat 27 for connecting with the conveyor belt 24;
the lower end of the upright rod 28 is fixed on the fixed seat 27;
the electric push rod 29 is fixed on the vertical rod 28;
and the electric saw 30 is fixed on the movable rod of the electric push rod 29, and a blade of the electric saw 30 is used for contacting the protective layer 4 to machine the cutting positioning groove 7.
Working principle of the machining assembly 26: the electric saw 30 works, the electric push rod 29 works to drive the electric saw 30 to move to one side of the optical cable, a blade of the electric saw 30 is in contact with the protective layer 4, the cutting positioning groove 7 is machined, and the electric push rod 29 resets to complete one-time cutting operation.
As shown in fig. 10 and 11, in the present embodiment, in two adjacent machining assemblies 26, the electric push rod 29 of one machining assembly 26 is disposed obliquely downward, and the electric push rod 29 of the other machining assembly 26 is disposed obliquely upward.
In practice, the processing assembly may generate pressure on the protective layer, so as to deform and shift the protective layer, and in order to solve this problem, as shown in fig. 13, a plurality of rollers may be disposed on one side of the protective layer, and each roller has an annular groove, and the protective layer is abutted against or in clearance fit with the annular groove. Thus, the protective layer is prevented from deforming by the roller when the working assembly applies a force.
In the present embodiment, the sheath layer 10 has a convex portion on the outer side. The sheath layer 10 has a convex portion, so that the foamed layer 2 can be more favorably fixed to the sheath layer 10 by the convex portion when the foamed layer 2 is processed.
As shown in fig. 12, in the present embodiment, the sheath layer 10 is manufactured by a sheath extrusion die 31, the sheath extrusion die includes a hollow core 32, a slider 33, a connecting rod 34, and a telescopic element 35, a side wall of the core 32 has a feeding passage 36, one end of the core 32 is an inlet end 38, the other end is an outlet end 39, the outlet end 39 has a radially arranged bar-shaped recess 37, the bar-shaped recess 37 communicates with an inner space of the core 32, the slider 33 is slidably disposed in the bar-shaped recess 37, and the telescopic element 35 is connected to the slider 33 through the connecting rod 34. Can drive slider 33 reciprocating motion through telescopic element 35, when slider 33 slided bar notch 37 bottom, restrictive coating 10 was normal restrictive coating 10, after slider 33 moved one end distance to the outside, restrictive coating 10 can form the convex part when moulding plastics this moment.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.

Claims (9)

1. An optical cable capable of repelling rats and ants is characterized by comprising an optical cable unit, a foaming layer, a winding coating layer and a protective layer which are sequentially arranged from inside to outside; the foaming layer is filled with a medicament for driving rats and ants, the protective layer is divided into a left area and a right area, one area is a first area, the other area is a second area, the structural strength of the first area is greater than that of the second area, and a plurality of cutting positioning grooves are arranged in the first area at intervals along the length direction of the optical cable.
2. The optical cable capable of repelling rats and ants according to claim 1, wherein the optical cable unit comprises a reinforcing member, a loose tube and a sheath layer which are arranged in sequence from inside to outside, the loose tube is internally provided with optical fibers, and the foaming layer is coated on the outer side of the sheath layer.
3. The optical cable capable of repelling rats and ants according to claim 2, wherein the loose tube is provided in plurality.
4. The optical cable capable of repelling rats and ants according to claim 1, wherein two adjacent cutting positioning grooves are arranged in a staggered manner.
5. The optical cable for repelling rats and ants according to claim 4, wherein said cutting positioning groove is adjacent to the second area.
6. The optical cable capable of repelling rats and ants according to claim 1, wherein two I-shaped pieces are embedded in the protective layer, and are symmetrically arranged in the protective layer, and one side of each I-shaped piece is located in the first area, and the other side of each I-shaped piece is located in the second area.
7. The optical cable for repelling rats and ants according to claim 1, wherein the cutting positioning groove has a length direction perpendicular to a length direction of the protective layer, the cutting positioning groove is used for being matched with a cutting tool, the cutting tool comprises a base, one side of the base is provided with an arc-shaped side wall matched with the outer side wall of the protective layer, the other side of the base is provided with a handle, and a cutting blade is fixed at the arc-shaped side wall; when the cutting tool operates, cutting blade embedding corresponds cutting constant head tank, and the arc lateral wall supports with the lateral wall of inoxidizing coating and leans on, and cutting blade's cutting edge gets into the foaming layer after passing inoxidizing coating and winding coating in proper order, makes the intraformational medicament of foaming outwards give off through the gap of cutting out.
8. An optical cable capable of repelling rats and ants according to claim 7, wherein the cutting edge of the cutting blade has a convex arc-shaped structure.
9. An optical cable capable of repelling rats and ants according to claim 2, wherein the sheath layer has a convex portion on the outer side thereof, and the foam layer has a concave portion which fits the convex portion.
CN202010944444.6A 2020-09-10 2020-09-10 Optical cable capable of driving rats and ants Pending CN111913264A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
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CN206322500U (en) * 2016-12-26 2017-07-11 江苏盈科通信科技有限公司 A kind of termite proof cable
CN207067478U (en) * 2017-07-31 2018-03-02 浙江亨通光网物联科技有限公司 The reinforced rodent-resistant cable of armouring
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CN210039704U (en) * 2019-05-31 2020-02-07 杭州佳能电缆有限公司 Safe waterproof rat-proof and termite-proof cable
CN111128464A (en) * 2019-12-11 2020-05-08 欧耐特线缆集团有限公司 A-type flame-retardant waterproof termite-proof rat-proof medium-voltage special cable for rail transit
CN210575219U (en) * 2019-11-29 2020-05-19 铜陵铜泉线缆科技有限公司 Rat-proof and termite-proof photovoltaic cable
CN211455350U (en) * 2020-04-13 2020-09-08 中航宝胜（四川）电缆有限公司 Rat-proof cable convenient for identification

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205645383U (en) * 2016-03-25 2016-10-12 和县电力电线电缆有限责任公司 Protection against rodents stings multicore power cable with high strength and high shock -absorbing capacity
CN206322500U (en) * 2016-12-26 2017-07-11 江苏盈科通信科技有限公司 A kind of termite proof cable
CN207067478U (en) * 2017-07-31 2018-03-02 浙江亨通光网物联科技有限公司 The reinforced rodent-resistant cable of armouring
CN208239687U (en) * 2018-03-30 2018-12-14 江苏南方通信科技有限公司 A kind of protection type layer-stranding cable
CN210039704U (en) * 2019-05-31 2020-02-07 杭州佳能电缆有限公司 Safe waterproof rat-proof and termite-proof cable
CN210575219U (en) * 2019-11-29 2020-05-19 铜陵铜泉线缆科技有限公司 Rat-proof and termite-proof photovoltaic cable
CN111128464A (en) * 2019-12-11 2020-05-08 欧耐特线缆集团有限公司 A-type flame-retardant waterproof termite-proof rat-proof medium-voltage special cable for rail transit
CN211455350U (en) * 2020-04-13 2020-09-08 中航宝胜（四川）电缆有限公司 Rat-proof cable convenient for identification

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Application publication date: 20201110