CN216435528U

CN216435528U - Cable with stretch-proofing function

Info

Publication number: CN216435528U
Application number: CN202123369111.4U
Authority: CN
Inventors: 张伟斌; 涂建华; 丘练中; 朱宏为; 涂昊
Original assignee: Guangdong Haoyang Electric Power Construction Co ltd
Current assignee: Guangdong Haoyang Electric Power Construction Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-03
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a cable with stretch-proofing function, including sinle silk subassembly, cable core filler, interior protection component and stretch-proofing subassembly, sinle silk subassembly's outer wall parcel has the cable core filler, and the outside a week of cable core filler is provided with interior protection component, interior protection component's outer wall laminating has stretch-proofing subassembly. This cable with stretch-proofing function, it has the cable core filler to fill between wire core subassembly and interior protection component the two, can play moulding radiating effect, the polyethylene inner sheath adopts the polyethylene material, good low temperature resistance has, electrical insulation is good, the water blocking layer that sets up adopts single face aluminum-plastic composite tape to indulge the package and forms, surface coating waterproof coating, can effectual promotion the efficiency of blocking water, the electromagnetic shield layer of setting, can effectively shield the electromagnetism, avoid the cable core to receive electromagnetic interference to influence the use, the nylon tensile layer of setting, better tensile resistance has, can prevent that the cable from using for a long time and producing the deformation.

Description

Cable with stretch-proofing function

Technical Field

The utility model relates to the technical field of cables, specifically be a cable with stretch-proofing function.

Background

The cable is an electric energy or signal transmission device, and is generally a cable similar to a rope formed by stranding a plurality of or a plurality of groups of leads (at least two in each group), wherein the leads in each group are insulated from each other and are usually twisted around a center, and the whole outer surface is coated with a highly-insulated covering layer; the cable has the characteristics of internal electrification and external insulation.

The cable in the market does not have a good anti-stretching function, can deform when being used for too long, and does not have an electromagnetic shielding function, so that the cable is easy to receive electromagnetic interference when being used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable with stretch-proofing function to it does not have better stretch-proofing function to provide the cable on the market in solving above-mentioned background art, and the condition that can produce the deformation in the number of years of use overlength does not have electromagnetic shield function simultaneously, makes the cable easily receive electromagnetic interference's problem when using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cable with stretch-proofing function, includes sinle silk subassembly, cable core filler, interior protection subassembly and stretch-proofing subassembly, sinle silk subassembly's outer wall parcel has the cable core filler, and outside a week of cable core filler is provided with interior protection subassembly, the outer wall laminating of interior protection subassembly has the stretch-proofing subassembly, and the stretch-proofing subassembly includes electromagnetic shield layer, nylon tensile layer and fire-retardant oversheath, the outside laminating of electromagnetic shield layer has the nylon tensile layer, and the outside of nylon tensile layer is provided with fire-retardant oversheath.

Furthermore, the electromagnetic shielding layer is attached to the nylon tensile layer, and the nylon tensile layer and the flame-retardant outer sheath are the same in length.

Further, the wire core assembly comprises a conductor, an insulating sleeve and insulating color bars, the insulating sleeve wraps the outside of the conductor, and the insulating color bars are arranged on the surface of the insulating sleeve.

Furthermore, a wrapping structure is arranged between the conductor and the insulating sleeve, and a gluing integrated structure is arranged between the insulating sleeve and the insulating color bar.

Further, closely laminate between sinle silk subassembly and the cable core filler, and mutually support between interior protection component and cable core filler and the sinle silk subassembly.

Further, interior protection component includes polyethylene inner sheath, water blocking layer and plastic-coated steel band, and the outer wall of polyethylene inner sheath is provided with the water blocking layer, the outside of water blocking layer is provided with the plastic-coated steel band.

Furthermore, the polyethylene inner sheath is wrapped on the inner side of the water-resistant layer, and the polyethylene inner sheath, the water-resistant layer and the plastic-coated steel strip are matched for use.

Compared with the prior art, the beneficial effects of the utility model are that: this cable with stretch-proofing function, it has the cable core filler to fill between wire core subassembly and interior protection component the two, can play moulding radiating effect, the polyethylene inner sheath adopts the polyethylene material, good low temperature resistance has, electrical insulation is good, the water blocking layer that sets up adopts single face aluminum-plastic composite tape to indulge the package and forms, surface coating waterproof coating, can effectual promotion the efficiency of blocking water, the electromagnetic shield layer of setting, can effectively shield the electromagnetism, avoid the cable core to receive electromagnetic interference to influence the use, the nylon tensile layer of setting, better tensile resistance has, can prevent that the cable from using for a long time and producing the deformation.

Through the setting of interior protection component, the polyethylene inner sheath adopts the polyethylene material, good low temperature resistance has, chemical stability is good, can be resistant the erosion of most acid-base, electrical insulation is good, outer wall parcel at the polyethylene inner sheath has the water blocking layer, its water blocking layer adopts single face aluminum-plastic composite strip to indulge the package and forms, its surface coating has waterproof coating, can effectual promotion efficiency of blocking water, the laminating has the plastic-coated steel band in the outside of water blocking layer, can play the effect of stereotyping to the inner sheath, better crushing resistance has.

Through the setting of line core subassembly, there is insulation support at the outer wall parcel of conductor, and its insulation support surface is equipped with insulating colour bar, has the suggestion effect, and the constructor of being convenient for distinguishes the cable, and convenient operation has the cable core filler to fill between line core subassembly and the interior protection component between the two, can play moulding radiating effect.

Through the setting of stretch-proofing subassembly, including the outer wall laminating of protection subassembly has the electromagnetic shield layer, can effectively shield electromagnetism, avoid inside cable core to receive electromagnetic interference, the influence is used, simultaneously there is the nylon tensile layer at the outer wall laminating of electromagnetic shield layer, better tensile resistance has, can prevent that the cable from using for a long time and producing deformation, be equipped with fire-retardant oversheath in the outside of nylon tensile layer simultaneously, can prevent the intensity of a fire to stretch when the conflagration breaing out, can be with the burning restriction in local range, do not produce and stretch, keep other equipment, avoid causing bigger loss.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present invention;

fig. 2 is a schematic structural view of the core assembly of the present invention;

fig. 3 is a schematic structural view of the stretch-proofing assembly of the present invention.

In the figure: 1. a wire core assembly; 101. a conductor; 102. an insulating sleeve; 103. insulating color bars; 2. a cable core filler; 3. an inner shield assembly; 301. a polyethylene inner sheath; 302. a water resistant layer; 303. coating a plastic steel belt; 4. a stretch resistant member; 401. an electromagnetic shielding layer; 402. a nylon tensile layer; 403. a flame-retardant outer sheath.

Detailed Description

As shown in fig. 1, a cable having a stretch-resistant function includes: the cable core assembly comprises a cable core assembly 1, wherein the outer wall of the cable core assembly 1 is wrapped by a cable core filler 2, an inner protection assembly 3 is arranged on the periphery of the outer side of the cable core filler 2, an anti-stretching assembly 4 is attached to the outer wall of the inner protection assembly 3, the inner protection assembly 3 comprises a polyethylene inner sheath 301, a water blocking layer 302 and a plastic-coated steel strip 303, the water blocking layer 302 is arranged on the outer wall of the polyethylene inner sheath 301, the plastic-coated steel strip 303 is arranged on the outer side of the water blocking layer 302, the polyethylene inner sheath 301 is wrapped on the inner side of the water blocking layer 302, the polyethylene inner sheath 301, the water blocking layer 302 and the plastic-coated steel strip 303 are used in a matched mode, the polyethylene inner sheath 301 is made of polyethylene materials and has excellent low-temperature resistance, good chemical stability, can resist corrosion of most of acid and alkali, and excellent electrical insulation performance, the water blocking layer 302 is wrapped on the outer wall of the polyethylene inner sheath 301, and the water blocking layer 302 is formed by longitudinal wrapping of a single-sided aluminum-plastic composite strip, the surface of the waterproof layer is coated with a waterproof coating, so that the water-blocking effect can be effectively improved, the plastic-coated steel strip 303 is attached to the outer side of the water-blocking layer 302, the inner sheath can be shaped, and the waterproof layer has better pressure resistance.

As shown in fig. 2, a cable with stretch-proofing function, core assembly 1 includes conductor 101, insulation sleeve 102 and insulating color bar 103, and the outside parcel of conductor 101 has insulation sleeve 102, insulation sleeve 102's surface is provided with insulating color bar 103, be the parcel structure between conductor 101 and the insulation sleeve 102, and for gluing body structure between insulation sleeve 102 and the insulating color bar 103, there is insulation sleeve 102 at the outer wall parcel of conductor 101, its insulation sleeve 102 surface is equipped with insulating color bar 103, has the suggestion effect, the constructor of being convenient for distinguishes the cable, convenient operation, closely laminate between core assembly 1 and the cable core filler 2, and cooperate each other between interior protection component 3 and cable core filler 2 and core assembly 1, it has cable core filler 2 to fill between core assembly 1 and interior protection component 3 two, can play moulding radiating effect.

As shown in fig. 3, a cable with stretch-proofing function, a stretch-proofing component 4 includes an electromagnetic shielding layer 401, a nylon tensile layer 402 and a flame-retardant outer sheath 403, the nylon tensile layer 402 is attached to the outer side of the electromagnetic shielding layer 401, the flame-retardant outer sheath 403 is disposed on the outer side of the nylon tensile layer 402, the electromagnetic shielding layer 401 and the nylon tensile layer 402 are attached to each other, the nylon tensile layer 402 and the flame-retardant outer sheath 403 have the same length, the electromagnetic shielding layer 401 is attached to the outer wall of the inner protection component 3, which can effectively shield electromagnetism, prevent the inner cable core from being interfered by the electromagnetism and affect the use, the nylon tensile layer 402 is attached to the outer wall of the electromagnetic shielding layer 401, which has better stretch-proofing property and can prevent the cable from being deformed due to long-time use, the flame-retardant outer sheath 403 is disposed outside the nylon tensile layer 402, which can prevent the fire from spreading when a fire occurs, and can limit the combustion within a local range, the spreading is not generated, other equipment is kept, and larger loss is avoided.

In conclusion, the cable with the stretch-resistant function comprises a conductor 101, an outer wall of which is wrapped by an insulation sleeve 102, and the surface of the insulation sleeve 102 is provided with an insulation color bar 103, so that the cable is prompted and distinguished by a constructor, and the operation is convenient, wherein a cable core filler 2 is filled between a cable core assembly 1 and an inner protection assembly 3, so that the cable has a shaping and heat dissipation effect, a polyethylene inner sheath 301 is made of polyethylene, has excellent low-temperature resistance, good chemical stability, resistance to most of acid and alkali erosion, and excellent electrical insulation, a water-resistant layer 302 is wrapped on the outer wall of the polyethylene inner sheath 301, the water-resistant layer 302 is formed by longitudinally wrapping a single-sided aluminum-plastic composite tape, and is coated with a waterproof coating on the surface, so that the water-resistant effect can be effectively improved, a plastic-coated steel tape 303 is attached to the outer side of the water-resistant layer 302, so that the inner sheath can be shaped, and has good pressure resistance, including the outer wall laminating of protection component 3 has electromagnetic shield layer 401, can effectively shield the electromagnetism, avoid inside cable core to receive electromagnetic interference, the influence is used, simultaneously there is nylon tensile layer 402 in electromagnetic shield layer 401's outer wall laminating, better tensile resistance has, can prevent that the cable from using for a long time and producing deformation, be equipped with fire-retardant oversheath 403 in the outside of nylon tensile layer 402 simultaneously, can prevent the intensity of a fire to stretch when the conflagration breaing out, can be with the burning restriction in local range, do not produce and stretch, keep other equipment, avoid causing bigger loss.

Claims

1. The utility model provides a cable with stretch-proofing function, includes sinle silk subassembly (1), cable core filler (2), interior protection component (3) and stretch-proofing subassembly (4), its characterized in that: the outer wall parcel of sinle silk subassembly (1) has cable core filler (2), and outside a week of cable core filler (2) is provided with interior protection component (3), the outer wall laminating of interior protection component (3) has stretch-proofing subassembly (4), and stretch-proofing subassembly (4) include electromagnetic shield layer (401), nylon tensile layer (402) and fire-retardant oversheath (403), the outside laminating of electromagnetic shield layer (401) has nylon tensile layer (402), and the outside of nylon tensile layer (402) is provided with fire-retardant oversheath (403).

2. A stretch resistant cable in accordance with claim 1, wherein: the electromagnetic shielding layer (401) is attached to the nylon tensile layer (402), and the nylon tensile layer (402) and the flame-retardant outer sheath (403) are the same in length.

3. A stretch resistant cable in accordance with claim 1, wherein: the wire core assembly (1) comprises a conductor (101), an insulating sleeve (102) and an insulating color bar (103), the insulating sleeve (102) wraps the outside of the conductor (101), and the insulating color bar (103) is arranged on the surface of the insulating sleeve (102).

4. A stretch resistant cable according to claim 3, wherein: a wrapping structure is arranged between the conductor (101) and the insulating sleeve (102), and an adhesive joint integrated structure is arranged between the insulating sleeve (102) and the insulating color bar (103).

5. A stretch resistant cable in accordance with claim 1, wherein: the cable core assembly (1) is tightly attached to the cable core filler (2), and the inner protection assembly (3) is matched with the cable core filler (2) and the cable core assembly (1).

6. A stretch resistant cable in accordance with claim 1, wherein: interior protection component (3) include polyethylene inner sheath (301), water blocking layer (302) and plastic-coated steel band (303), and the outer wall of polyethylene inner sheath (301) is provided with water blocking layer (302), the outside of water blocking layer (302) is provided with plastic-coated steel band (303).

7. The cable with stretch-resistant function according to claim 6, wherein: the inner polyethylene sheath (301) is wrapped on the inner side of the water-resistant layer (302), and the inner polyethylene sheath (301), the water-resistant layer (302) and the plastic-coated steel strip (303) are matched for use.