CN217467288U - Multiple protection against rodents's central beam tube formula optical cable - Google Patents
Multiple protection against rodents's central beam tube formula optical cable Download PDFInfo
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- CN217467288U CN217467288U CN202221790644.1U CN202221790644U CN217467288U CN 217467288 U CN217467288 U CN 217467288U CN 202221790644 U CN202221790644 U CN 202221790644U CN 217467288 U CN217467288 U CN 217467288U
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Abstract
The utility model belongs to the technical field of communication optical cable, a central beam tube formula optical cable of multiple protection against rodents is disclosed, has protective part, many optical fiber, and protective part comprises the protection body, its characterized in that: still have first to fourth protection against rodents part, the outer fringe of protection body is the cylinder shape, has the center tube in the protection body, first supporter, the second supporter, the third supporter, the fourth supporter, has formed central cavity, first to fourth protection chamber between protection body, center tube and the first to fourth supporter, first to fourth protection against rodents part is located first to fourth protection against rodents intracavity respectively, protection against rodents part and corresponding protection chamber's cross section shape and size phase-match. The utility model discloses following main beneficial technological effect has: the structure is simpler, the production is easier, the ratproof performance is better, the use and the storage of the raw materials are more convenient, and the product performance is more stable.
Description
Technical Field
The utility model belongs to the technical field of communication optical cable, a central beam tube formula optical cable of multiple protection against rodents is disclosed.
Background
Stable high-speed optical fiber communication is increasingly important for people's production and life. The optical fiber is usually arranged in the middle of the optical cable, various protective measures are adopted to protect the optical fiber, however, various protections bring about cost increase and possible unreliable other performances of products, and the laying occasions of the optical cable are uncertain and often pass through multimouse areas such as mountainous areas, farmlands and the like, so that the use of drugs with high animal harmfulness is increasingly limited in order to meet the requirement of environmental protection, and therefore, continuous efforts are made in the industry on the mouse prevention of the optical cable.
CN216285879U discloses a ratproof optical cable with double layers of Kevlar, which is provided with a loose tube, a framework component, an outer sheath and an optical fiber; the fan is characterized in that the framework part comprises an inner sleeve, connecting columns and fan columns, wherein adjacent fan columns form an outer cavity, a central hole is formed in the inner sleeve, an outer fan column cavity is formed in each fan column, an inner fan column cavity is formed between the adjacent fan columns, the adjacent connecting columns and the outer edge of the inner sleeve, an inner-layer Kevlar part is arranged in each inner fan column cavity, and outer-layer Kevlar parts are arranged in the outer fan column cavities; the loose tube is located in the central hole, and the connecting column and the fan column are paired. The key drawback is that the Kevlar parts are expensive and cannot be accepted by the average customer.
CN112379496A discloses a weave glass fiber tape protection against rodents optical cable, including the cable core, weaving layer and sheath, the outside cover of cable core is equipped with the weaving layer, the outside cover of weaving layer is equipped with the sheath, the weaving layer comprises the fine layer of multilayer glass, the sheath includes polyethylene inner sheath and nylon outer jacket, polyethylene inner sheath symmetry is equipped with the nonmetal reinforcement FRP pole parallel with the cable core, glass fiber tape and FRP pole all are more fragile material, twist reverse in the construction, under the torsional prerequisite of wind-force, can fracture, still can pierce the sheath, and weave the layer extremely unstable, easily gather and cause inhomogeneously together.
CN110361821A discloses a protection against rodents optical cable of novel structure and manufacturing method thereof, mainly includes many loose tubes, set up many optic fibre in the loose tube, the intussuseption of loose tube intussuseption is filled with the water blocking layer, loose tube evenly arranges along central reinforcement periphery circle, many loose tubes twine around the banding and prick the yarn layer with central reinforcement whole outside, the metal armor layer is still wrapped up in the banding and prick the yarn layer outside, metal armor layer outside extrusion molding outer jacket, set up a plurality of arcuation archs on the outer jacket. The metal armor layer is easy to scatter, the lap joint part is easy to leak water, the metal armor layer is easy to rust, and the arc-shaped bulge is easy to be bitten by rats and the like.
Thus, there is room for improvement in the protection of fiber optic cables from rodents.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses a central tube type optical cable with multiple protection against rodents, which is implemented by the following technical solution.
The utility model provides a central beam tube formula optical cable of multiple protection against rodents, has protective part, many optical fiber, and protective part comprises the protection body, its characterized in that: the outer edge of the protection body is in a cylindrical shape, and the protection body is internally provided with a central tube, ten first supporting bodies, twenty second supporting bodies, twenty third supporting bodies and twenty fourth supporting bodies; the central tube is positioned in the center of the protective body, and a central cavity is formed in the central tube; the ten first supporting bodies are symmetrically distributed outside the central tube, one end of each first supporting body is combined with the outer edge of the central tube into a whole, and the adjacent first supporting bodies form thirty-six degrees with each other; twenty second supporting bodies are symmetrically distributed outside ten first supporting bodies, the other end of each first supporting body is connected with one end of each second supporting body, the included angle between the two second supporting bodies at the other end of each first supporting body is seventy-two degrees, the included angle between each first supporting body and the second supporting body connected with the first supporting body is one hundred forty-four degrees, the other end of one second supporting body connected with the other end of each first supporting body is combined with the other end of one second supporting body connected with the other end of the adjacent first supporting body into a whole and combined on the first middle end, the adjacent two first supporting bodies and the two second supporting bodies connected with the two first supporting bodies and forming an adjacent relation enclose a first protection cavity, and the outermost ends of all the first protection cavities are arranged on a first cylindrical surface; each first middle end is connected with two third supporting bodies, the included angle between the two third supporting bodies connected with each first middle end is one hundred and zero octadegrees, the included angle between each second supporting body and one third supporting body connected with each second supporting body is one hundred and zero octadegrees, the included angle between each second supporting body and the other third supporting body connected with each second supporting body is one hundred and forty four degrees, the two adjacent second supporting bodies and the two third supporting bodies connected with the two second supporting bodies and forming an adjacent relation enclose a second protection cavity, the outermost ends of all the second protection cavities are arranged on a second cylindrical surface, and the other end of the third supporting body connected with the outside of the outermost end of each second protection cavity is a second middle end; each second middle end is connected with two fourth supporting bodies, the included angle between the two fourth supporting bodies connected to each second middle end is one hundred forty four degrees, the included angle between each third supporting body and one fourth supporting body connected with each third supporting body is seventy two degrees, the included angle between each third supporting body and the other fourth supporting body connected with each third supporting body is one hundred forty four degrees, the adjacent two third supporting bodies and the two fourth supporting bodies which are connected with the two third supporting bodies and form an adjacent relation enclose a third protection cavity, and the outermost ends of all the third protection cavities are arranged on a third cylindrical surface; a fourth protection cavity is arranged outside each second middle end, and the outermost ends of all the fourth protection cavities are arranged on a fourth cylindrical surface; the optical fiber is positioned in the central cavity, the first rat-proof parts are positioned in the first protection cavities, each first protection cavity is internally provided with a first rat-proof part, the second rat-proof parts are positioned in the second protection cavities, each second protection cavity is internally provided with a second rat-proof part, the third rat-proof parts are positioned in the third protection cavities, each third protection cavity is internally provided with a third rat-proof part, the fourth rat-proof parts are positioned in the fourth protection cavities, and each fourth protection cavity is internally provided with a fourth rat-proof part; the cross section of the first protection cavity is prismatic, the cross section of the second protection cavity is prismatic, the cross section of the third protection cavity is prismatic, the cross section of the fourth protection cavity is prismatic, the central axes of all the first protection cavities are on the same cylindrical surface, the central axes of all the second protection cavities are on the same cylindrical surface, the central axes of all the third protection cavities are on the same cylindrical surface, the central axes of all the fourth protection cavities are on the same cylindrical surface, and the central axes of the first cylindrical surface, the second cylindrical surface, the third cylindrical surface and the fourth cylindrical surface are superposed; the cross section of the first rat guard is in a shape matched with that of the first protection cavity, the cross section of the second rat guard is in a shape matched with that of the second protection cavity, the cross section of the third rat guard is in a shape matched with that of the third protection cavity, and the cross section of the fourth rat guard is in a shape matched with that of the fourth protection cavity.
Above-mentioned central beam tube formula optical cable of multiple protection against rodents, its characterized in that: the outer edge of the protection body is in a shape of a right ten-sided cylinder; the other end of the fourth supporter that is connected outside the outermost end of every third protection chamber is the third middle end, and every third middle end all connects on the lower limb of the central authorities of corresponding protection body.
Above-mentioned central beam tube formula optical cable of multiple protection against rodents, its characterized in that: the protective component is characterized in that the protective component is not provided with a central tube, an isolation cavity is formed between adjacent first supporting bodies, one end of each first supporting body is on the same cylindrical surface, one end of each first supporting body surrounds a central cavity located in the center of the protective component, and the central cavity is communicated with the isolation cavity.
The utility model discloses following main beneficial technological effect has: the structure is simpler, the production is easier, the ratproof performance is better, the use and the storage of the raw materials are more convenient, and the product performance is more stable.
Drawings
Fig. 1 is a schematic perspective view of a dissected segment of the example 1.
Fig. 2 is an enlarged cross-sectional view of fig. 1.
Figure 3 is a schematic perspective view of a portion of the shield member used in figure 1, after dissection.
Fig. 4 is an enlarged cross-sectional view of fig. 3.
Fig. 5 is a schematic perspective view of a segment of an anatomical structure of a shield member used in example 2.
Fig. 6 is an enlarged cross-sectional view of fig. 5.
Fig. 7 is a schematic cross-sectional structure of a shield member used in embodiment example 3.
In the figure: 1-protective component, 2-optical fiber, 3-first rat guard component, 4-second rat guard component, 5-third rat guard component, 6-fourth rat guard component, 11-protective body, 110-central cavity, 120-first protective cavity, 130-second protective cavity, 140-third protective cavity, 150-fourth protective cavity, 111-central tube, 121-first support, 131-second support, 141-third support, 151-fourth support, 112-first cylindrical surface, 122-second cylindrical surface, 132-third cylindrical surface, 142-fourth cylindrical surface, 1120-isolation cavity.
Detailed Description
Examples 1
Referring to fig. 1 to 4, a multiple protection against rodents's central beam tube formula optical cable, has protective member 1, many optic fibre 2, and protective member 1 comprises protection body 11, its characterized in that:
the outer edge of the protection body 11 is in a cylindrical shape, and the protection body 11 is internally provided with a central tube 111, ten first support bodies 121, twenty second support bodies 131, twenty third support bodies 141 and twenty fourth support bodies 151;
a central tube 111 is located in the center of the shielding body 11, the central tube 111 having a central cavity 110 inside;
the ten first supporting bodies 121 are symmetrically distributed outside the central tube 111, one end of each first supporting body 121 is combined with the outer edge of the central tube 111 into a whole, and the adjacent first supporting bodies 121 form thirty-six degrees with each other;
twenty second supporting bodies 131 are symmetrically distributed outside ten first supporting bodies 121, the other end of each first supporting body 121 is connected with one end of two second supporting bodies 131, the included angle between two second supporting bodies 131 at the other end of each first supporting body 121 is seventy-two degrees, the included angle between each first supporting body 121 and the second supporting body 131 connected with the first supporting body 121 is one hundred forty-four degrees, the other end of one second supporting body 131 connected with the other end of each first supporting body 121 is combined with the other end of one second supporting body 131 connected with the other end of the adjacent first supporting body 121 into a whole and combined on the first middle end, two adjacent first supporting bodies 121, and two second supporting bodies 131 which are connected with the two first supporting bodies 121 and form an adjacent relation to enclose a first protection cavity 120, wherein the outermost ends of all the first protection cavities 120 are arranged on the first cylindrical surface 112;
each first middle end is connected with two third supporting bodies 141, the included angle between the two third supporting bodies 141 connected to each first middle end is one hundred and zero octadegrees, the included angle between each second supporting body 131 and one third supporting body 141 connected to the second supporting body 131 is one hundred and zero octadegrees, the included angle between each second supporting body 131 and the other third supporting body 141 connected to the second supporting body 131 is one hundred and forty-four degrees, the two adjacent second supporting bodies 131 and the two third supporting bodies 141 connected to the two second supporting bodies 131 and forming an adjacent relation enclose a second protection cavity 130, the outermost ends of all the second protection cavities 130 are arranged on the second cylindrical surface 122, and the other end of the third supporting body 141 connected to the outside of the outermost end of each second protection cavity 130 is a second middle end;
each second middle end is connected with two fourth supporting bodies 151, the included angle between the two fourth supporting bodies 151 connected with each second middle end is one hundred forty four degrees, the included angle between each third supporting body 141 and one fourth supporting body 151 connected with each third supporting body is seventy two degrees, the included angle between each third supporting body 141 and the other fourth supporting body 151 connected with each third supporting body is one hundred forty four degrees, the two adjacent third supporting bodies 141 and the two fourth supporting bodies 151 connected with the two third supporting bodies 141 and forming an adjacent relation enclose a third protection cavity 140, and the outermost ends of all the third protection cavities 140 are arranged on the third cylindrical surface 132;
a fourth guard chamber 150 is provided beyond each second intermediate end, and the outermost ends of all fourth guard chambers 150 are on the fourth cylindrical surface 142;
the optical fiber 2 is positioned in the central cavity 110, the first rat-proof part 3 is positioned in the first protection cavities 120, each first protection cavity 120 is internally provided with one first rat-proof part 3, the second rat-proof part 4 is positioned in the second protection cavity 130, each second protection cavity 130 is internally provided with one second rat-proof part 4, the third rat-proof part 5 is positioned in the third protection cavities 140, each third protection cavity 140 is internally provided with one third rat-proof part 5, the fourth rat-proof part 6 is positioned in the fourth protection cavity 150, and each fourth protection cavity 15 is internally provided with one fourth rat-proof part 6;
the cross section of the first protection cavity 120 is prismatic, the cross section of the second protection cavity 130 is prismatic, the cross section of the third protection cavity 140 is prismatic, the cross section of the fourth protection cavity 150 is prismatic, the central axes of all the first protection cavities 120 are on the same cylindrical surface, the central axes of all the second protection cavities 130 are on the same cylindrical surface, the central axes of all the third protection cavities 140 are on the same cylindrical surface, the central axes of all the fourth protection cavities 150 are on the same cylindrical surface, and the central axes of the first protection cavity 112, the second cylindrical surface 122, the third cylindrical surface 132 and the fourth cylindrical surface 142 are coincident; the cross section of the first rat guard 3 is a shape matching the cross section of the first protection chamber 120, the cross section of the second rat guard 4 is a shape matching the cross section of the second protection chamber 130, the cross section of the third rat guard 5 is a shape matching the cross section of the third protection chamber 140, and the cross section of the fourth rat guard 6 is a shape matching the cross section of the fourth protection chamber 150.
EXAMPLES example 2
Referring to fig. 5 and 6, and to fig. 1 to 4, a multiple rat-proof central tube type optical cable is substantially the same as embodiment 1 except that: the outer edge of the protection body 11 is in a shape of a right ten-sided cylinder.
The other end of the fourth supporting body 151 connected outside the outermost end of each third protection chamber 140 is a third intermediate end, and each third intermediate end is connected to the lower edge of the center of the corresponding protection body 11.
EXAMPLE 3
Referring to fig. 7 and fig. 1 to 6, a multiple protection against rodents center tube type optical cable is substantially the same as embodiment 2 except that: the central tube 111 is not provided, the isolated cavities 1120 are formed between the adjacent first supports 121, one end of each first support 121 is on the same cylindrical surface, one end of each first support 121 encloses the central cavity 110 located in the center of the shielding component 1, and the central cavity 110 is communicated with the isolated cavities 1120.
The shape matching in the application refers to the same shape, and the size matching is preferably tight fit or the rat-proof parts are slightly smaller than the corresponding protection cavities, and the gaps between the rat-proof parts are smaller; if the cross sections of the first rat guard 3 and the first protection cavity 120 are both diamond-shaped, and the cross section of the first rat guard 3 and the cross section of the first protection cavity 120 are both diamond-shaped and congruent, the first support 121 and the second support 131 have certain elasticity, so that the first rat guard 3 can be clamped into the first protection cavity 120 to form tight fit; or the cross section of the first rat-proof part 3 is rhombic and similar to the cross section of the first protection cavity 120, and the first rat-proof part 3 is slightly smaller; and so on, the relationship of the second rat guard 4 to the second protection chamber 130, the third rat guard 5 to the third protection chamber 140, and the fourth rat guard 6 to the fourth protection chamber 150, and so on.
In the present application, the structure of embodiment example 3 can be used to implement embodiment example 1.
In the present application, the present invention is not limited to the case of ten first supports 121, twenty second supports 131, twenty third supports 141, and twenty fourth supports 151; a plurality of first supports 121, a plurality of second supports 131, a plurality of third supports 141, and a plurality of fourth supports 151 may be provided; specifically, n represents a plurality of n, n is a natural number, n is not less than 3, and in this case, n first supports 121, 2n second supports 131, 2n third supports 141, and 2n fourth supports 151; at this time, the adjacent first supporting bodies 121 form 360/n degrees with each other, an included angle between two second supporting bodies 131 at the other end of each first supporting body 121 is 720/n degrees, an included angle between each first supporting body 121 and the second supporting body 131 connected thereto is 180 × (n-2)/n degrees, an included angle between two third supporting bodies 141 connected to each first intermediate end is 120 × (n-1)/n degrees, an included angle between each second supporting body 131 and one third supporting body 141 connected thereto is 120 × (n-1)/n degrees, an included angle between each second supporting body 131 and the other third supporting body 141 connected thereto is 120 × (n + 2)/n degrees, an included angle between two fourth supporting bodies 151 connected to each second intermediate end is 120 × (n + 2)/n degrees, the included angle between each third supporting body 141 and one fourth supporting body 151 connected with the third supporting body is 60 x (n + 2)/n degrees, and the included angle between each third supporting body 141 and the other fourth supporting body 151 connected with the third supporting body is 120 x (n + 2)/n degrees.
The central beam tube type optical cable with multiple protection against rodents described in any embodiment above, characterized in that: the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c, A1d or A1 e.
The central beam tube type optical cable with multiple protection against rodents described in any embodiment above, characterized in that: the protective body 11, the first support 121, the second support 131, the third support 141, and the fourth support 151 are integrally formed.
When the multi-protection against rodents's central beam tube formula optical cable described in the embodiment has center tube 111, its characterized in that: the shield body 11, the center tube 111, the first support 121, the second support 131, the third support 141, and the fourth support 151 are integrally formed.
The central beam tube type optical cable with multiple protection against rodents described in any embodiment above, characterized in that: the material of the central tube 111 is steel or aluminum or iron or alloy or glass fiber reinforced plastic or plastic.
The central beam tube type optical cable with multiple protection against rodents described in any embodiment above, characterized in that: the materials of the protective body 11, the central tube 111, the first support 121, the second support 131, the third support 141 and the fourth support 151 are all copper, steel, aluminum, iron, alloy, glass fiber reinforced plastic or plastic.
The central beam tube type optical cable with multiple protection against rodents described in any embodiment above, characterized in that: the shield body 11, the center tube 111, the first support 121, the second support 131, the third support 141, and the fourth support 151 are all in the shape of a sheet.
The central beam tube type optical cable with multiple protection against rodents described in any embodiment above, characterized in that: the material of the first rat guard is copper or steel or aluminum or iron or alloy or glass fiber reinforced plastic.
The central beam tube type optical cable with multiple protection against rodents described in any embodiment above, characterized in that: the second rat guard is copper or steel or aluminum or iron or alloy or glass or fiberglass reinforced plastic.
The central beam tube type optical cable with multiple protection against rodents described in any embodiment above, characterized in that: the third rat guard part is copper or steel or aluminium or iron or alloy or glass fibre reinforced plastic.
The central beam tube type optical cable with multiple protection against rodents described in any embodiment above, characterized in that: the fourth rat guard is copper or steel or aluminum or iron or alloy or glass or fiberglass reinforced plastic.
In this application, the plurality of optical fibers may also be located in a single optical fiber ribbon, or in a plurality of optical fiber ribbons stacked or disorderly stacked in the central cavity, or several optical fibers may be disposed in a bundle or multiple bundles in the central cavity.
In the present application, when the optical fiber ribbon is provided, it can be referred to as a multiple rat-proof optical fiber ribbon cable.
According to the rat guard, through ingenious design, the plurality of first rat guard parts 3 are distributed in a staggered and circumferential mode, and the plane where the longer diagonal line of each first rat guard part 3 is located passes through the central axis of the central cavity; the third rat-proof parts 5 are positioned at the periphery of the first rat-proof part 3 and distributed in the circumferential direction in a staggered manner, and the plane where the shorter diagonal line of each third rat-proof part 5 is positioned passes through the central axis of the central cavity; a part of the second rat guard parts 4 are positioned between the upper part of the first rat guard part 3 and the lower part of the third rat guard part 5 and are distributed in a staggered and circumferential distribution manner, and the plane where the longer diagonal of each second rat guard part 4 is positioned passes through the central axis of the central cavity; the plurality of fourth rat-proof parts 6 are positioned at the periphery of the third rat-proof part 5 and are distributed in a staggered and circumferential manner, and the plane where the shorter diagonal line of each fourth rat-proof part 6 is positioned passes through the central axis of the central cavity; the first rat-proof part 3, the second rat-proof part 4, the third rat-proof part 5 and the fourth rat-proof part 6 form four layers of protection from inside to outside in space, so that the thickness of the rat-proof layer is increased, and the mechanical rat-proof performance is over and better; in the prior art, steel belts and the like are usually adopted for realization, and because the steel belts are not easy to form and easy to damage a mold when being thick, and the water seepage among layers of the steel belts cannot be ensured. In this application, the existence of first to fourth protection against rodents part, and separated, like this, the management of being convenient for quite, single protection against rodents part is convenient for production, coil and management, and the product quality of production is stable, can not produce the infiltration, during production, makes protection against rodents part earlier through the oleamen that blocks water, or glues water blocking substance such as water blocking powder etc. on its surface, then penetrates corresponding protection chamber, in addition, the oleamen that blocks water is filled in the central cavity, can realize like this that the full cross-section of optical cable blocks water.
In the embodiments 2 and 3 of the present application, the material of the protective body 11 is significantly saved, and at the same time, the structure can make it more stable when placed on a plane.
In embodiment example 3 of the present application, the center tube 111 is absent, but an optical fiber ribbon, an optical fiber bundle, and the like may be placed in the center cavity.
In this application, can also have the loose sleeve pipe, and the loose sleeve pipe is placed in the central cavity, places optic fibre or fiber bundle or optical fiber ribbon inside the loose sleeve pipe.
The optical cable in the application can also be called a multiple protection against rodents central beam tube type optical fiber ribbon cable.
The application is only an ideal implementation manner, and the technical field personnel can form more layers of protection under the teaching of the application, and the realization is easy without departing from the idea created by the utility model of the application.
The utility model discloses following main beneficial technological effect has: the structure is simpler, the production is easier, the ratproof performance is better, the use and the storage of the raw materials are more convenient, and the product performance is more stable.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (8)
1. The utility model provides a central beam tube type optical cable of multiple protection against rodents, has protecting component, many optical fiber, and protecting component comprises the protection body, its characterized in that: the outer edge of the protection body is in a cylindrical shape, and the protection body is internally provided with a central tube, ten first supporting bodies, twenty second supporting bodies, twenty third supporting bodies and twenty fourth supporting bodies; the central tube is positioned in the center of the protective body, and a central cavity is formed in the central tube; the ten first supporting bodies are symmetrically distributed outside the central tube, one end of each first supporting body is combined with the outer edge of the central tube into a whole, and the adjacent first supporting bodies form thirty-six degrees with each other; twenty second supporting bodies are symmetrically distributed outside ten first supporting bodies, the other end of each first supporting body is connected with one end of each second supporting body, the included angle between the two second supporting bodies at the other end of each first supporting body is seventy-two degrees, the included angle between each first supporting body and the second supporting body connected with the first supporting body is one hundred forty-four degrees, the other end of one second supporting body connected with the other end of each first supporting body is combined with the other end of one second supporting body connected with the other end of the adjacent first supporting body into a whole and combined on the first middle end, the adjacent two first supporting bodies and the two second supporting bodies connected with the two first supporting bodies and forming an adjacent relation enclose a first protection cavity, and the outermost ends of all the first protection cavities are arranged on a first cylindrical surface; each first middle end is connected with two third supporting bodies, the included angle between the two third supporting bodies connected with each first middle end is one hundred and zero octadegrees, the included angle between each second supporting body and one third supporting body connected with each second supporting body is one hundred and zero octadegrees, the included angle between each second supporting body and the other third supporting body connected with each second supporting body is one hundred and forty four degrees, the two adjacent second supporting bodies and the two third supporting bodies connected with the two second supporting bodies and forming an adjacent relation enclose a second protection cavity, the outermost ends of all the second protection cavities are arranged on a second cylindrical surface, and the other end of the third supporting body connected with the outside of the outermost end of each second protection cavity is a second middle end; two fourth supporting bodies are connected to each second middle end, the included angle between the two fourth supporting bodies connected to each second middle end is one hundred forty four degrees, the included angle between each third supporting body and one fourth supporting body connected to the third supporting body is seventy two degrees, the included angle between each third supporting body and the other fourth supporting body connected to the third supporting body is one hundred forty four degrees, two adjacent third supporting bodies and the two fourth supporting bodies connected to the two third supporting bodies and forming an adjacent relation enclose a third protection cavity, and the outermost ends of all the third protection cavities are located on a third cylindrical surface; a fourth protection cavity is arranged outside each second middle end, and the outermost ends of all the fourth protection cavities are arranged on a fourth cylindrical surface; the optical fiber is positioned in the central cavity, the first rat-proof parts are positioned in the first protection cavities, each first protection cavity is internally provided with a first rat-proof part, the second rat-proof parts are positioned in the second protection cavities, each second protection cavity is internally provided with a second rat-proof part, the third rat-proof parts are positioned in the third protection cavities, each third protection cavity is internally provided with a third rat-proof part, the fourth rat-proof parts are positioned in the fourth protection cavities, and each fourth protection cavity is internally provided with a fourth rat-proof part; the cross section of the first protection cavity is prismatic, the cross section of the second protection cavity is prismatic, the cross section of the third protection cavity is prismatic, the cross section of the fourth protection cavity is prismatic, the central axes of all the first protection cavities are on the same cylindrical surface, the central axes of all the second protection cavities are on the same cylindrical surface, the central axes of all the third protection cavities are on the same cylindrical surface, the central axes of all the fourth protection cavities are on the same cylindrical surface, and the central axes of the first cylindrical surface, the second cylindrical surface, the third cylindrical surface and the fourth cylindrical surface are superposed; the cross section of the first rat guard is in a shape matched with that of the first protection cavity, the cross section of the second rat guard is in a shape matched with that of the second protection cavity, the cross section of the third rat guard is in a shape matched with that of the third protection cavity, and the cross section of the fourth rat guard is in a shape matched with that of the fourth protection cavity.
2. The multiple protection against rodents center tube bundle cable of claim 1, wherein: the outer edge of the protection body is in a shape of a right ten-sided cylinder; the other end of the fourth supporter that is connected outside the outermost end of every third protection chamber is the third middle end, and every third middle end all connects on the lower limb of the central authorities of corresponding protection body.
3. The multiple protection against rodents center tube optical cable according to claim 1 or claim 2, wherein: the type of the optical fiber is G.652, G.653, G.654, G.655, G.656, G.657, A1a, A1b, A1c, A1d or A1 e.
4. A multiple protection against rodents center tube type optical cable according to claim 1 or claim 2, wherein: the protection body, the first support body, the second support body, the third support body and the fourth support body are of an integrated structure and are integrally formed.
5. A multiple protection against rodents center tube bundle cable according to claim 1 or claim 2, having a center tube, wherein: the protection body, the central pipe, the first support body, the second support body, the third support body and the fourth support body are of an integrated structure and are integrally formed.
6. The multiple protection against rodents center tube optical cable according to claim 1 or claim 2, wherein: the material of the central tube is steel or aluminum or iron or alloy or glass fiber reinforced plastic or plastic.
7. The multiple protection against rodents center tube optical cable according to claim 1 or claim 2, wherein: the protective body (11), the central tube (111), the first support (121), the second support (131), the third support (141), and the fourth support (151) are all sheet-shaped.
8. A multiple protection against rodents center tube type optical cable according to claim 1 or claim 2, wherein: the material of the first rat-proof part is copper or steel or aluminum or iron or alloy or glass fiber reinforced plastic; the second rat-proof component is copper or steel or aluminum or iron or alloy or glass fiber reinforced plastic; the third rat-proof component is copper or steel or aluminum or iron or alloy or glass fiber reinforced plastic; the fourth rat guard is copper or steel or aluminum or iron or alloy or glass or fiberglass reinforced plastic.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221790644.1U CN217467288U (en) | 2022-07-13 | 2022-07-13 | Multiple protection against rodents's central beam tube formula optical cable |
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| CN202221790644.1U CN217467288U (en) | 2022-07-13 | 2022-07-13 | Multiple protection against rodents's central beam tube formula optical cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114994848A (en) * | 2022-07-13 | 2022-09-02 | 长飞光电线缆(苏州)有限公司 | Multiple protection against rodents optical cable |
| CN117950132B (en) * | 2024-03-27 | 2024-05-28 | 常熟梁方智能技术有限公司 | Optical cable and cable with diamond loose tubes |
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2022
- 2022-07-13 CN CN202221790644.1U patent/CN217467288U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114994848A (en) * | 2022-07-13 | 2022-09-02 | 长飞光电线缆(苏州)有限公司 | Multiple protection against rodents optical cable |
| CN117950132B (en) * | 2024-03-27 | 2024-05-28 | 常熟梁方智能技术有限公司 | Optical cable and cable with diamond loose tubes |
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