CN211043745U - Layer-twisted filling type rat-proof optical cable - Google Patents
Layer-twisted filling type rat-proof optical cable Download PDFInfo
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- CN211043745U CN211043745U CN201921965931.XU CN201921965931U CN211043745U CN 211043745 U CN211043745 U CN 211043745U CN 201921965931 U CN201921965931 U CN 201921965931U CN 211043745 U CN211043745 U CN 211043745U
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Abstract
The application relates to a layer hank filled type rat-proof optical cable, include: the cable core is of a layer-twisted filling type; the metal plastic-coated composite belt is wrapped on the outer side of the cable core; the inner sheath is wrapped on the outer side of the metal plastic-coated composite belt, and a tensile element is contained in the inner sheath; the outer sheath is wrapped on the outer side of the inner sheath, is made of nylon materials, and is embedded with the identification color strips on the surface; a water-blocking material is filled between the gaps of the cable core and the metal plastic-coated composite tape; the rat repelling medicine is arranged on the inner side of the outer sheath and is wrapped inside by two layers of oil-impregnated kraft paper. The material has the advantages of rat resistance, strong tensile strength, convenient construction, environmental protection and the like, and has higher strength, rigidity and toughness in wider high and low temperature ranges; has excellent wear resistance, creep resistance, oil resistance and self-lubricating property. The cable has good electrical insulation performance, arc resistance and heat resistance, and the survival capability of the cable in severe environment is greatly improved.
Description
Technical Field
The application belongs to the technical field of optical cables, and particularly relates to a layer-stranded filled rat-proof optical cable.
Background
With the popularization and use of the national optical fiber communication technology, the laying length of the communication optical cable line is increased year by year; in a wide area of China, the materials are rich, various organisms reproduce rapidly, and the mouse damage is also abused seriously. Is particularly prominent in multiple hills and mountainous areas in south China. Indoor and outdoor optical cables are often bitten by rats, so that communication cables pass through the multi-rat occasions and are often bitten by rats to affect communication quality, even communication interruption is caused, the safety of a communication network is seriously damaged, and the operation and maintenance of the optical cables are difficult. How to effectively prevent rats of optical cable lines becomes a concern for optical cable manufacturers and network operators. Under this situation, in order to protect the optical cable circuit effectively, deal with different abominable application environment, the utility model discloses a layer hank filled protection against rodents optical cable takes place at the same time. The protection against rodents performance is guaranteed simultaneously, effectively improves the comprehensive properties of optical cable, gathers optical cable self-protection function as an organic whole. The application range of the optical cable is expanded.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the layer-twisted filling type rat-proof optical cable is provided for solving the problem of the rat-proof capability of the optical cable in the prior art.
The utility model provides a technical scheme that its technical problem adopted is: a layer-stranded filled ratproof optical cable, comprising:
the cable core is of a layer-twisted filling type;
the metal plastic-coated composite belt is wrapped on the outer side of the cable core;
the inner sheath is wrapped on the outer side of the metal plastic-coated composite belt, and a tensile element is contained in the inner sheath;
the outer sheath is wrapped on the outer side of the inner sheath, is made of nylon materials, and is embedded with an identification color strip on the surface;
a water blocking material is filled between the gap between the cable core and the metal plastic-coated composite tape;
the rat repelling medicine is arranged on the inner side of the outer sheath and is wrapped inside by two layers of oil-impregnated kraft paper.
Preferably, the layer-twisted filling type ratproof optical cable of the present invention, the water-blocking material is low-density cable paste, water-blocking yarn or water-blocking powder.
Preferably, the layer-twisted filled rat-proof optical cable of the utility model is characterized in that the rat repelling medicine is solid powder.
Preferably, the utility model discloses a layer hank filled protection against rodents optical cable, the outer immersion oil kraft paper of rat repelling medicine with be equipped with the metal mesh between the oversheath, a plurality of meshs of evenly distributed on the metal mesh.
Preferably, the layer-twisted filling type rat-proof optical cable of the utility model is provided with three layers of metal nets which are superposed; the cross section of the metal net is annular, the circumference of each layer of the metal net is provided with clamping parts with convex outer sides and concave inner sides, and the clamping parts of the three layers of the metal nets can stagger meshes after being clamped with each other.
Preferably, the layer-twisted filled rat-proof optical cable of the present invention, the metal net is composed of criss-cross metal wires, and the diameter of the metal wires is greater than one third of the mesh width and less than one half of the mesh width.
Preferably, the utility model discloses a layer hank filled protection against rodents optical cable, the material of inner sheath is the polyethylene, the inner sheath with the metal plastic-coated composite band bonds.
Preferably, the layer-twisted filled ratproof optical cable of the present invention, the tensile member in the inner sheath is parallel to the clamping band.
Preferably, the utility model discloses a layer hank filled protection against rodents optical cable, the cable core is reciprocal SZ transposition or spiral transposition structure.
Preferably, the layer-stranded filled rat-proof optical cable of the present invention, the cable core comprises a central strength member and optical fiber units stranded around the central strength member; the optical fiber unit includes:
coloring the optical fiber;
a loose tube surrounding the colored optical fiber;
and the hydrophobic thixotropic optical fiber paste is filled in the loose tube.
The utility model has the advantages that: the mouse-proof structure has a multi-layer mouse-proof structure, can achieve various means for preventing and killing mice firstly and then and can better realize mouse prevention; the waterproof performance is good; the anti-stretching performance is good; one (or more) color strips are embedded in the surface of the outer sheath, so that convenience is provided for stripping and identification of optical cable constructors, and construction time consumption is effectively shortened.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
FIG. 1 is a schematic view of a cross-section of a layer-stranded filled rat-proof optical cable according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a metal mesh according to an embodiment of the present application.
The reference numbers in the figures are:
5 tearing rope
10 cable core
20 inner sheath
30 outer sheath
40 metal plastic-coated composite belt
50 Metal mesh
60 Water blocking Material
70 rat repelling medicine
101 colored optical fiber
102 hydrophobic thixotropic optical fiber paste
103 loose tube
104 center stiffener
201 tensile element
303 identification color bar
501 an engaging part.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Examples
The present embodiment provides a layer-twisted filling type rat-proof optical cable, as shown in fig. 1, including:
the cable core 10 is of a layer-twisted filling type;
the metal plastic-coated composite belt 40 is wrapped on the outer side of the cable core 10;
an inner sheath 20 wrapped outside the metal-coated plastic composite tape 40, wherein a tensile element 201 is contained in the inner sheath 20;
the outer sheath 30 is wrapped on the outer side of the inner sheath 20, the outer sheath 30 is made of a nylon material, and an identification color bar 303 is embedded in the surface of the outer sheath;
a water blocking material 60 is filled between the gap between the cable core 10 and the metal plastic-coated composite tape 40;
a rodenticide 70, shown in fig. 2, is disposed inside the outer sheath 30, the rodenticide being wrapped inside by two layers of oil impregnated kraft paper.
The layer-twisted filling type rat-proof optical cable of the embodiment adopts the metal plastic-coated composite belt to bond the polyethylene outer sheath special for nylon and adds the tensile element, so that the optical cable has good high and low temperature performance and moisture resistance, and meanwhile, the tensile resistance of the optical cable is also improved. Selecting nontoxic, environment-friendly and self-extinguishing nylon sheath material to extrude into an outer sheath layer for effective rat prevention; one (or more) color strips are embedded in the surface of the outer sheath, so that convenience is provided for stripping and identification of optical cable constructors, and construction time consumption is effectively shortened.
Preferably, in the layer-twisted filled rat-proof optical cable of the embodiment, the water-blocking material is low-density cable paste, water-blocking yarn or water-blocking powder.
Preferably, in the layer-stranded filled rat-proof optical cable of the embodiment, the rat repelling medicine is in a solid powder shape.
Preferably, as shown in fig. 1 and 2, in the layer-twisted filling type rat-proof optical cable of the present embodiment, a metal net 50 is disposed between the kraft paper for immersing the rat repelling medicine 70 in the outer layer and the outer sheath 30, and a plurality of meshes are uniformly distributed on the metal net 50. The metal net 50 is a protective layer which plays a protective role after the outer sheath 30 is bitten by a mouse, and after the outer sheath 30 is damaged, the rat repelling drugs 70 can gradually permeate through the metal net 50 to seep out, so that a biological rat killing effect is generated, and the rat is prevented from further biting the inner sheath 20.
Preferably, in the layer-twisted filling type rat-proof optical cable of the present embodiment, as shown in fig. 2, three layers are stacked on the metal mesh 50; the cross section of the metal net 50 is annular, the circumference of each layer of the metal net 50 is provided with an engaging part 501 with a convex outer side and a concave inner side, and the engaging parts 501 of the three layers of the metal nets 50 are engaged with each other to enable meshes to be staggered. In the preferred embodiment, the mesh openings of the three layers of metal nets 50 are staggered, so that the rat repelling medicines 70 are prevented from being lost at a time after the outer sheath 30 is damaged, and on the other hand, the metal wires of the metal nets 50 are staggered, so that rats are prevented from biting the inner sheath 20 in the metal nets 50 more effectively.
Preferably, in the layer-twisted filling-type rat-proof optical cable according to the present embodiment, the metal mesh 50 is formed by criss-cross metal wires, and the diameter of the metal wires is greater than one half of the width of the mesh. In the preferred embodiment, the mesh of the innermost metal net 50 can be completely blocked by the outer metal wires in the projection direction perpendicular to the side wall, so that the amount of the rat repelling drugs 70 directly permeating through the metal net 50 is greatly reduced.
Preferably, in the layer-twisted filled rat-proof optical cable according to the embodiment, the inner sheath 20 is made of polyethylene, and the inner sheath 20 is bonded to the metal-coated plastic composite tape 40.
Preferably, in the stranded filled ratproof optical cable of the present embodiment, as shown in fig. 1, the tensile members 201 in the inner sheath 20 are in parallel with each other.
Preferably, in the layer-stranded filled rat-proof optical cable of the present embodiment, the cable core 10 has a reciprocating SZ-stranded or spiral-stranded structure. The cable core adopts a mature and stable reciprocating SZ twisting method process to form the cable, the extra length is accurately controlled, the optical cable has excellent mechanical and environmental properties, and constructors can selectively peel off the sleeve to facilitate distinguishing and connection.
Preferably, in the layer-stranded filled rat-proof optical cable of the present embodiment, the cable core 10 includes a central strength member 104 and optical fiber units stranded around the central strength member 104; the optical fiber unit includes:
a colored optical fiber 101;
a loose tube 103 wrapped around the outside of the colored optical fiber 101;
and hydrophobic thixotropic optical fiber paste 102 filled in the loose tube 103.
The central strength member 104 effectively attenuates or inhibits the effects of axial fiber deformation.
Preferably, in the layer-twisted filling type rat-proof optical cable of the present embodiment, the metal-plastic coated composite tape 40 and one side of the inner wall of the outer sheath 30, which is close to the identification color bar 303, are both provided with a tearing rope 5. The identification color bar 303 enables a constructor to quickly find the side where the tearing rope 5 is located, and construction time is saved.
In summary, the optical cable of the embodiment has the advantages of large optical fiber number density, compact structure, fast connection, and more excellent strength, rigidity, toughness, excellent wear resistance, creep resistance, oil resistance and self-lubricating property. And has certain electrical insulation performance, arc resistance and heat resistance. The cable is suitable for being laid in various severe environments such as overhead, direct-buried and pipeline.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a layer hank filled type protection against rodents optical cable which characterized in that includes:
the cable core (10) is of a layer-twisted filling type;
the metal plastic-coated composite belt (40) is wrapped on the outer side of the cable core (10);
an inner sheath (20) wrapped outside the metal plastic-coated composite tape (40), wherein a tensile element (201) is contained in the inner sheath (20);
the outer sheath (30) is wrapped on the outer side of the inner sheath (20), the outer sheath (30) is made of a nylon material, and an identification color bar (303) is embedded in the surface of the outer sheath;
a water blocking material (60) is filled in a gap between the cable core (10) and the metal plastic-coated composite tape (40);
the rat repelling medicine (70) is arranged on the inner side of the outer sheath (30) and is wrapped by two layers of oil-impregnated kraft paper.
2. The layer-twisted filled ratproof optical cable according to claim 1, wherein the water-blocking material is low-density cable paste, water-blocking yarn or water-blocking powder.
3. The layer-stranded filled rat-proof optical cable according to claim 1, wherein the rat repelling medicament is a solid powder.
4. The layer-stranded filled rat-proof optical cable according to claim 3, wherein a metal net (50) is arranged between the kraft paper for oil immersion of the outer layer of the rat repelling medicine (70) and the outer sheath (30), and a plurality of meshes are uniformly distributed on the metal net (50).
5. The layer-stranded filled rat-proof optical cable according to claim 4, wherein the metal mesh (50) is provided with three layers in an overlapping manner; the cross section of the metal net (50) is annular, the circumference of each layer of the metal net (50) is provided with clamping parts (501) with convex outer sides and concave inner sides, and after the clamping parts (501) of the three layers of the metal nets (50) are mutually clamped, meshes of the three layers of the metal nets can be staggered.
6. The stranded filled rodent resistant cable of claim 5 wherein the metal mesh (50) is comprised of criss-crossed wires having a diameter greater than one third of the mesh width and less than one half of the mesh width.
7. The stranded filled ratproof optical cable according to any one of claims 1-6, wherein the material of the inner sheath (20) is polyethylene, and the inner sheath (20) is bonded to the metal-coated plastic composite tape (40).
8. The lay-filled ratproof optical cable according to any one of claims 1 to 6, wherein the tensile elements (201) within the inner jacket (20) are in a parallel entrainment.
9. The layer-stranded filled rat-proof optical cable according to any one of claims 1 to 6, wherein the cable core (10) has a reciprocating SZ-stranded or helical stranded structure.
10. The layer-stranded filled-type ratproof optical cable according to any one of claims 1 to 6, wherein the cable core (10) comprises a central strength member (104) and optical fiber units stranded around the central strength member (104); the optical fiber unit includes:
a colored optical fiber (101);
a loose tube (103) wrapped around the outside of the colored optical fiber (101);
and the hydrophobic thixotropic optical fiber paste (102) is filled in the loose tube (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921965931.XU CN211043745U (en) | 2019-11-14 | 2019-11-14 | Layer-twisted filling type rat-proof optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921965931.XU CN211043745U (en) | 2019-11-14 | 2019-11-14 | Layer-twisted filling type rat-proof optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN211043745U true CN211043745U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921965931.XU Active CN211043745U (en) | 2019-11-14 | 2019-11-14 | Layer-twisted filling type rat-proof optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117369074A (en) * | 2023-12-08 | 2024-01-09 | 西安西古光通信有限公司 | Wear-resisting butterfly cable |
-
2019
- 2019-11-14 CN CN201921965931.XU patent/CN211043745U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117369074A (en) * | 2023-12-08 | 2024-01-09 | 西安西古光通信有限公司 | Wear-resisting butterfly cable |
| CN117369074B (en) * | 2023-12-08 | 2024-03-12 | 西安西古光通信有限公司 | Wear-resisting butterfly cable |
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