CN210575172U

CN210575172U - Flat net twine

Info

Publication number: CN210575172U
Application number: CN201921763582.3U
Authority: CN
Inventors: 张凤碧; 廖文勇; 马翠
Original assignee: Shenzhen Tyco Industry Co ltd
Current assignee: Shenzhen Tyco Industry Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-05-19
Anticipated expiration: 2029-10-18

Abstract

The utility model relates to a flat network cable, which belongs to the field of electric wires and cables and is a first flat type, the flat network cable comprises a cable core, an inner sheath and an outer sheath from inside to outside, the cable core comprises a predetermined number of core wires and a predetermined number of supporting skeletons, the core wires are arranged in a word at equal intervals, the core wires are in a second flat type, the long-edge axis of the second flat type is parallel to the long-edge axis of the first flat type, the core wires comprise a pair of stranded wires, a wrapping layer, a shielding layer and a heat conduction insulating layer from inside to outside, the pair of stranded wires comprise two wires and are formed by twisting the two wires, the supporting skeletons are placed between the two core wires, and the supporting skeletons are attached to the contact parts of the adjacent core wires, the long-edge direction of the core wires is consistent with the flat network cable, the flat network cable is convenient to roll; the supporting framework has the functions of isolating and supporting the wire cores, and the stability of the cable core function is guaranteed.

Description

Flat net twine

Technical Field

The utility model relates to a wire and cable field especially relates to a flat net twine.

Background

Common network cables in a local area network mainly comprise a twisted pair, a coaxial cable and an optical cable; the twisted-pair cable is the most commonly used transmission medium in the comprehensive wiring engineering, at present, from the perspective of pleasing to the eye, be convenient for paste the wall wiring or be convenient for the rolling, a flat type net twine has appeared in the market, but current flat type net twine leads to the inconvenient rolling of user and accomodates because its thickness is still thick on the one hand, and on the other hand its resistance to compression, anti bending ability are not enough, and the net twine is pulled apart easily, and then leads to its life not long, consequently needs to improve a bending property strong, flexible high, easy rolling and long service life's flat net twine.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, the utility model discloses its structure of net twine is thicker among the main solution prior art, leads to its bending property poor, toughness is low, and the problem of net twine easy rupture provides a flat net twine, through the cooperation of flat net twine is provided with and is flat form the sinle silk support the skeleton, subtracts the weak flat net twine's thickness is convenient for flat net twine rolling has improved the life of flat net twine.

For reaching this mesh, the utility model provides a flat net twine, it is a first flat form type, flat net twine is by interior and including a cable core, an inner sheath and an oversheath outward, the cable core includes predetermined quantity's heart yearn and predetermined quantity's support chassis, and these some heart yearns are equidistant range of a word, the heart yearn is a second flat form, and this a little the long limit axis of second flat form with the long limit axis of first flat form is parallel, the heart yearn is by interior and outer including a pair of stranded conductor, one around covering, a shielding layer and a heat conduction insulating layer, the stranded conductor includes two wires, and it is by two the wire pair twist forms, support chassis places two between the heart yearn, just support chassis and adjacent the laminating of contact department of heart yearn.

Preferably, the method comprises the following steps: the support skeleton is hourglass form, and half surrounds adjacently the heart yearn, the laminating sets up, possesses good support, cuts off and resistance to compression cushioning effect.

Further: the supporting framework is heat-conducting insulating rubber, the supporting framework can be used for isolating the core wires to prevent mutual extrusion between the core wires, so that the internal structure of the cable core is complete, and the supporting framework is heat-conducting and soft and has enough toughness when being used for the heat-conducting insulating rubber, so that the flat mesh wire can be bent and can play a good compression-resistant buffering role.

Preferably, the method comprises the following steps: the cable core further comprises a fireproof filling body, the fireproof filling body is arranged at the gap of the cable core, and when the cable core is fireproof, the gap of the cable core is filled so that the flat net wire is compact and complete in structure.

Further: the fireproof filling body is a mineral filling body and has a sufficient fireproof function.

Further: the inner sheath is close to one side of fire prevention obturator is provided with predetermined quantity's arch, these some archs with the laminating of fire prevention obturator sets up, utilizes the arch can cooperate the setting of fire prevention obturator makes it is inseparabler and difficult lax to fill the fire prevention obturator, has strengthened the life of flat net twine.

Further: the inner sheath is a flexible stranded steel wire layer, and the tensile strength and the bending resistance of the flat mesh wire are improved by the flexible stranded steel wire layer.

Preferably, the method comprises the following steps: the cable core further comprises an even number of reinforcing cores, and the reinforcing cores are symmetrically arranged at two ends of the cable core. On one hand, the strength of the flat net wire is enhanced, on the other hand, the torsion resistance function of the flat net wire is realized, and the service life and the safety of the flat net wire are improved.

Further: the reinforced core is a steel wire rope.

Further: the lead comprises a conductor and an insulating layer from inside to outside, the conductor is an oxygen-free copper conductor, the conductor can be a 7-piece/flat cable, the conductor can be an oxygen-free copper conductor, the conductor is made of high-precision oxygen-free copper materials, efficient transmission is achieved, and heating is not prone to occurring.

The utility model has the advantages that: the utility model provides a flat network cable, because it is a first flat type, its heat dispersion is strong, has improved signal transmission rate, the heart yearn according to a word interval arrangement in the cable core, through setting up the flat type the heart yearn, and the long edge direction of its placement is unanimous with flat network cable, when guaranteeing that the heart yearn realizes its function, can subtract the thickness of short flat network cable, thereby saved the material, also be convenient for the flat network cable rolling; simultaneously two the laminating is provided with between the heart yearn braced skeleton, braced skeleton on the one hand can with the heart yearn is kept apart, prevents to extrude each other between the heart yearn, guarantees that cable core inner structure is complete, on the other hand, braced skeleton can play good resistance to compression cushioning effect, has improved the compressive strength of flat net twine has guaranteed the stability of cable core function.

Drawings

Fig. 1 is a schematic view of a flat cable structure provided by the present invention;

in the figure: 1-core wire, 11-conductor, 12-insulating layer, 13-wrapping layer, 14-shielding layer, 15-heat conducting insulating layer, 2-supporting framework, 3-reinforcing core, 4-fireproof filling body, 5-inner sheath and 6-outer sheath.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

Examples

Referring to fig. 1, the present embodiment provides a flat cable, which is a first flat type, and the flat cable includes, from inside to outside, a cable core, an inner sheath 5 and an outer sheath 6.

Referring to fig. 1, the cable core includes a predetermined number of core wires 1, a predetermined number of supporting frames 2, an even number of reinforcing cores 3, and a fireproof filler 4. The present embodiment provides 4 core wires 1, 3

support frames

2 and 6 reinforcing cores 3.

Referring to fig. 1, the core wires 1 are arranged at the cable core in a straight line shape at equal intervals, the core wires 1 are in a second flat shape, the long side axis of the second flat shape is parallel to the long side axis of the first flat shape, the core wires 1 are arranged in a flat shape, the long side direction of the core wires 1 is consistent with that of the flat mesh wires, the thickness of the flat mesh wires can be reduced while the core wires 1 are ensured to realize the functions of signal transmission, shielding and heat conduction insulation, so that the material is saved, the flat mesh wires can be conveniently wound, the core wires 1 comprise a pair of stranded wires, a wrapping layer 13, a shielding layer 14 and a heat conduction insulation layer 15 from inside to outside, the pair of stranded wires comprise two conducting wires, the conducting wires comprise a conductor 11 and an insulation layer 12 from inside to outside, the conductor 11 can be a 7-piece flat mop, conductor 11 can be oxygen-free copper conductor 11, conductor 11 adopts high accuracy oxygen-free copper material, and high-efficient transmission is difficult for generating heat, insulating layer 12 can be High Density Polyethylene (HDPE), and HDPE has good heat resistance and cold resistance, and chemical stability is good, still has higher rigidity and toughness, and mechanical strength is good, perhaps insulating layer 12 still can be MDPE, and MDPE has kept the rigidity of HDPE, has LDPE's flexibility, creep resistance again, makes heart yearn 1 has the long-term retentivity of intensity, and life is longer, insulating layer 12 average thickness can be 0.12mm-0.15 mm. The cable is characterized in that the wrapping layer 13 can be a flame-retardant alkali-free glass fiber tape, the cable core part is wrapped by the wrapping layer 13, the stability of the structure of the cable core part is guaranteed, the flame-retardant alkali-free glass fiber tape has excellent performances of high flame retardance, oxygen isolation and fire isolation, the shielding layer 14 can be a metal foil shield or a metal woven mesh, and the heat conduction insulating layer 15 can be made of a heat conduction material, such as heat conduction insulating rubber.

Referring to fig. 1, the supporting frame 2 is disposed between the two core wires 1, and the supporting frame 2 is attached to the contact portion of the adjacent core wire 1. The support framework 2 is in an hourglass shape and semi-surrounds the adjacent core wires 1, namely, the contact part of the hourglass-shaped support framework 2 and the core wires 1 is in an arc shape, the supporting framework 2 can be made of heat-conducting insulating rubber or silica gel, on one hand, the core wires 1 can be isolated by the supporting framework 2, mutual extrusion among the core wires 1 is prevented, the internal structure of the cable core is ensured to be complete, on the other hand, when the supporting framework 2 is made of heat-conducting insulating rubber, the heat conduction is realized, the flexibility and the toughness are sufficient, the flat net wires are easy to bend, and the flat net wires can play a good compression-resistant buffering role, when the supporting framework is made of silica gel, the supporting framework 2 also has good flexibility and is easy to bend the flat net wires, and the cable core can play a good compression-resistant buffering role, so that the supporting framework 2 can play a good protection role on the core wire 1 at the cable core.

Referring to fig. 1, the fireproof filling body 4 is arranged in the gap of the cable core. The fireproof filling body 4 is a mineral filling body which can be fireproof mud.

Referring to fig. 1, the number of the reinforcing cores 3 is even, and may be 2, 4 or 6, and the like, in this embodiment, 6 reinforcing cores 3 are provided, the reinforcing cores 3 are symmetrically arranged at two ends of the cable core, and the reinforcing core 3 is a steel wire rope. On one hand, the strength of the flat net wire is enhanced, on the other hand, the torsion resistance function of the flat net wire is realized, and the service life and the safety of the flat net wire are improved.

Referring to fig. 1, one side of the inner sheath 5, which is close to the fireproof filling body 4, is provided with a predetermined number of protrusions, the protrusions are attached to the fireproof filling body 4, the inner sheath 5 is a flexible stranded steel wire layer, the tensile strength and the bending resistance of the flat mesh wire are increased by the flexible stranded steel wire layer, and meanwhile, the protrusions can be matched with the fireproof filling body 4 to enable the fireproof filling body 4 to be filled more tightly and not to be loosened easily, so that the service life of the flat mesh wire is prolonged.

Referring to fig. 1, the outer sheath 6 is a PVC outer sheath 6, PVC has the advantages of flame retardancy (flame retardant value is above 40), high chemical resistance, good mechanical strength and electrical insulation, and the use of the material meets the requirement of "RoHS" environmental standard.

Therefore, the flat network cable provided by this embodiment has strong heat dissipation performance and improves the signal transmission rate because it is a first flat type, and the core wires 1 arranged in the cable core at intervals in a straight line are arranged in the cable core, and the long side direction of the flat core wires 1 is the same as that of the flat network cable, so that the thickness of the flat network cable can be reduced while ensuring that the core wires 1 realize the functions thereof, thereby saving materials and facilitating the winding of the flat network cable; simultaneously two the laminating is provided with between heart yearn 1 braced skeleton 2, braced skeleton 2 on the one hand can with heart yearn 1 is kept apart, prevents to extrude each heart yearn 1 each other, guarantees that cable core inner structure is complete, on the other hand, braced skeleton 2 can play good resistance to compression cushioning effect, has improved the compressive strength of flat net twine has guaranteed the stability of cable core function.

The above description is only for the specific embodiments of the present invention, but it should be understood by those skilled in the art that the present invention is only by way of example, and the scope of the present invention is defined by the appended claims. Therefore, the equivalent changes made in the claims of the present invention still belong to the scope covered by the present invention.

Claims

1. A flat net twine, it is a first flat form type, its characterized in that: the flat net twine is by interior and outer including a cable core, an inner sheath and an oversheath, the cable core includes the heart yearn of predetermined quantity and the support skeleton of predetermined quantity, and these some heart yearns are the equidistant range of a word, the heart yearn is the flat type of second, and should some the long limit axis of the flat type of second with the long limit axis of the flat type of first is parallel, the heart yearn is by interior and outer including a pair of stranded conductor, one around covering, a shielding layer and a heat conduction insulating layer, the pair of stranded conductor includes two wires, and it is by two the wire pair twist forms, the support skeleton is placed two between the heart yearn, just the support skeleton with adjacent the contact department laminating of heart yearn.

2. The flat wire according to claim 1, wherein: the supporting framework is hourglass-shaped and semi-surrounds the adjacent core wires.

3. The flat wire according to claim 2, wherein: the supporting framework is made of heat-conducting insulating rubber.

4. The flat wire according to claim 1, wherein: the cable core further comprises a fireproof filling body, and the fireproof filling body is arranged at the gap of the cable core.

5. The flat wire according to claim 4, wherein: the fireproof filling body is a mineral filling body.

6. The flat wire according to claim 4, wherein: one side of the inner sheath close to the fireproof filling body is provided with a predetermined number of bulges, and the bulges are attached to the fireproof filling body.

7. The flat wire according to claim 6, wherein: the inner sheath is a flexible stranded steel wire layer.

8. The flat wire according to claim 1, wherein: the cable core further comprises an even number of reinforcing cores, and the reinforcing cores are symmetrically arranged at two ends of the cable core.

9. The flat wire according to claim 8, wherein: the reinforced core is a steel wire rope.

10. The flat mesh wire according to any one of claims 1 to 9, wherein: the lead comprises a conductor and an insulating layer from inside to outside, wherein the conductor is an oxygen-free copper conductor.