CN216597022U - Stretch-proofing type wire and cable - Google Patents

Abstract

The utility model discloses a stretch-proofing electric wire and cable, which comprises a cable jacket protective layer, a stretch-proofing colloid strip, a built-in waterproof layer, a current shielding layer, a built-in fireproof layer and a filling damping layer, wherein the built-in waterproof layer is arranged on the inner side surface of the cable jacket protective layer, the current shielding layer is arranged on the inner side surface of the built-in waterproof layer, and the built-in fireproof layer is arranged on the inner side surface of the current shielding layer Snap-off condition.

Description

Stretch-proofing type wire and cable

Technical Field

The utility model belongs to the technical field of wires and cables, and particularly relates to a stretch-resistant wire and cable.

Background

The wire and cable are used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. A broad range of wire and cable, also referred to as simply cable, and a narrow range of cable refers to insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation. With the rapid development of the communication industry, the simple telephone and telegraph cable in the past is developed into thousands of pairs of telephone cables, coaxial cables, optical cables, data cables, even combined communication cables and the like.

Lie in BMS battery management system, water processing system, audio broadcasting education system, interior system of leading to, automatic vending machine, industrial equipment is in the on-line state monitoring and control process, need use corresponding wire and cable to connect the electrical apparatus, prior art's wire and cable inner structure is comparatively simple, only plays the effect of connecting circuit, it is relatively poor that its inside carries the tensile effect, if wire and cable receives external force effect, the condition of fracture, stretch-break appears very easily, there is great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a tensile-resistant wire and cable so as to solve the problem of poor internal tensile strength of the wire and cable in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a stretch-proof wire and cable comprises a cable outer sheath protective layer, a tensile rubber strip, a built-in waterproof layer, a current shielding layer, a built-in fireproof layer and a filling shock absorption layer, the inner surface of the cable jacket protective layer is provided with a built-in waterproof layer, the inner surface of the built-in waterproof layer is provided with a current shielding layer, the inner side surface of the current shielding layer is provided with a built-in fireproof layer, the inner side of the built-in fireproof layer is provided with a filling shock absorption layer, four cable inner cores are arranged in the middle of the filling shock absorption layer in a penetrating way, the outer surfaces of the four cable inner cores are all sleeved inside the insulating fastening ring, the cable sheath is characterized in that the number of the insulation fastening rings is multiple, a plurality of tensile rubber strips are arranged on the outer surface of the cable sheath protective layer, the tensile rubber strips are uniformly distributed on the outer surface of the cable sheath protective layer in an annular array, and the tensile rubber strips are made of reinforced rubber materials.

Preferably, the interior of the built-in waterproof layer is made of polyvinyl chloride materials.

Preferably, the current shielding layer is internally made of rubber.

Preferably, the inner part of the built-in fireproof layer is made of asbestos powder.

Preferably, the filling shock absorption layer is internally made of cotton yarn.

Compared with the prior art, the utility model provides an anti-stretching wire cable, which has the following beneficial effects:

1. according to the utility model, through the arranged lever-stretching rubber strips, the lever-stretching rubber strips are additionally arranged on the outer side surface of the electric wire and cable, reinforced rubber materials with better stretching-resistant effect are adopted in the lever-stretching rubber strips, and when the electric wire and cable are subjected to external acting force, the lever-stretching rubber strips can share a part of acting force, so that the stress effect on the surface of the electric wire and cable can be increased, the lever-stretching effect of the electric wire and cable can be increased in such a way, and the conditions of breakage and stretch-break of the electric wire and cable when the electric wire and cable are subjected to external force are effectively reduced;

2. according to the utility model, through the built-in waterproof layer, the polyvinyl chloride material is adopted in the built-in waterproof layer, so that external water molecules of the electric wire and the electric cable can be isolated, and the condition that external water flows permeate the electric wire and the electric cable due to aging and cracking on the surface can be avoided;

3. according to the utility model, the inner part of the built-in fireproof layer is composed of asbestos powder, a better fireproof effect can be achieved on the electric wire and cable by virtue of the characteristic of higher ignition point of the asbestos powder, and the inner part of the filled damping layer is composed of cotton yarns by virtue of the arranged filled damping layer, so that a better damping protection effect can be achieved on the inner core of the electric wire and cable by virtue of the characteristic of softer texture of the cotton yarns.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

fig. 1 is a schematic structural view of a stretch-resistant electric wire cable according to the present invention;

fig. 2 is a side view of a stretch resistant wire cable according to the present invention;

fig. 3 is a partial sectional view of the tensile-resistant type electric wire cable according to the present invention;

fig. 4 is an enlarged view of a in fig. 3 of the stretch-resistant wire cable according to the present invention;

in the figure: 1. a cable jacket protective layer; 2. stretching the colloid strip; 3. a waterproof layer is arranged inside; 4. a current shielding layer; 5. a fire-proof layer is arranged inside; 6. filling a shock absorption layer; 7. an inner core of the cable; 8. an insulating fastening ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a stretch-proofing electric wire and cable comprises a cable outer cover protective layer 1, a plurality of stretch-proofing colloid strips 2, a built-in waterproof layer 3, a current shielding layer 4, a built-in fireproof layer 5 and a filling damping layer 6, wherein the built-in waterproof layer 3 is arranged on the inner side surface of the cable outer cover protective layer 1, the current shielding layer 4 is arranged on the inner side surface of the built-in waterproof layer 3, the built-in fireproof layer 5 is arranged on the inner side surface of the current shielding layer 4, the filling damping layer 6 is arranged on the inner side of the built-in fireproof layer 5, four cable cores 7 are arranged in the middle of the filling damping layer 6 in a penetrating manner, the outer surfaces of the four cable cores 7 are all sleeved in an insulating fastening ring 8, the number of the insulating fastening rings 8 is set to be multiple, the outer surface of the cable outer cover protective layer 1 is provided with a plurality of stretch-proofing colloid strips 2, the plurality of stretch-proofing colloid strips 2 are uniformly distributed on the outer surface of the cable outer cover protective layer 1 in an annular array manner, the interior of the stretch-proofing colloid strips 2 is made of reinforced rubber material, through set up shouldering tensile colloid strip 2 on the surface of wire and cable outside, shouldering tensile colloid strip 2 inside adopts the better strenghthened type rubber material of stretch-proofing effect, when wire and cable received external effort, shouldering tensile colloid strip 2 can share a part of effort to can increase the atress effect on wire and cable surface, can increase wire and cable's shouldering tensile effect with this mode, the effectual wire and cable condition that appears breaking, stretch-breaking when receiving external force that has reduced.

In the utility model, preferably, the inner part of the built-in waterproof layer 3 is made of polyvinyl chloride materials, so that external water molecules of the electric wire and the electric cable can be isolated, and the condition that the surface of the electric wire and the electric cable is aged and cracked to cause external water flow infiltration can be avoided.

In the present invention, it is preferable that the current shielding layer 4 is made of a rubber material, and the rubber has an insulating property, so that a good current shielding effect can be obtained.

In the utility model, the inner part of the internal fireproof layer 5 is preferably made of asbestos powder, and the asbestos powder has high ignition point, so that the internal fireproof layer can achieve a good fireproof effect on the electric wire and the cable.

In the utility model, preferably, the filling shock absorption layer 6 is made of cotton yarn, and the cotton yarn has soft texture, so that a good shock absorption protection effect can be achieved on the inner core of the cable in the wire cable.

The working principle and the using process of the utility model are as follows: when in use, both ends of the electric wire and the cable are respectively connected in the industrial equipment and the monitoring equipment, the outer surface of the electric wire and the cable is additionally provided with the bar-shaped stretching colloid strip 2, the inner part of the bar-shaped stretching colloid strip 2 adopts reinforced rubber material with better stretching resistant effect, when the electric wire and the cable are subjected to external acting force, the bar-shaped stretching colloid strip 2 can share part of the acting force, thereby increasing the stress effect on the surface of the electric wire and the cable, increasing the bar-shaped stretching effect of the electric wire and the cable in the way, effectively reducing the conditions that the electric wire and the cable are broken and snapped when being subjected to the external force, the inner part of the electric wire and the cable is provided with the built-in waterproof layer 3, the inner part of the built-in waterproof layer 3 adopts polyvinyl chloride material, being capable of isolating the external water molecules of the electric wire and the cable, avoiding the condition that the external water current permeates due to aging and breaking on the surface of the electric wire and the cable in the inner side of the built-in waterproof layer 3 is provided with the current shielding layer 4, inside rubber material that adopts of current shielding layer 4, have insulating characteristic through rubber, can play better current shielding effect, 4 inboards of current shielding layer are provided with built-in flame retardant coating 5, built-in flame retardant coating 5 is inside to be constituteed by asbestos powder, through the higher characteristic of asbestos powder self ignition point, can play better fire prevention effect to wire and cable, 7 surfaces of cable inner core are provided with packing buffer layer 6, 6 insidely by cotton yarn constitution of packing buffer layer, through the softer characteristic of cotton yarn self texture, can play better shock attenuation protection effect to wire and cable inner core.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a stretch-proofing type wire and cable, includes cable jacket protective layer (1), carries tensile colloid strip (2), built-in waterproof layer (3), current shielding layer (4), built-in flame retardant coating (5) and fills buffer layer (6), its characterized in that: the inner side surface of the cable jacket protective layer (1) is provided with a built-in waterproof layer (3), a current shielding layer (4) is arranged on the inner side surface of the built-in waterproof layer (3), a built-in fireproof layer (5) is arranged on the inner side surface of the current shielding layer (4), a filling shock absorption layer (6) is arranged on the inner side of the built-in fireproof layer (5), four cable cores (7) are arranged in the middle of the filling shock absorption layer (6) in a penetrating manner, the outer surfaces of the four cable cores (7) are all sleeved in an insulating fastening ring (8), the cable sheath is characterized in that the number of the insulating fastening rings (8) is multiple, a plurality of bar-shaped stretching colloid strips (2) are arranged on the outer surface of the cable sheath protective layer (1), the bar-shaped stretching colloid strips (2) are uniformly distributed on the outer surface of the cable sheath protective layer (1) in an annular array, and the bar-shaped stretching colloid strips (2) are made of reinforced rubber materials.

2. A stretch resistant electrical wire cable according to claim 1, wherein: the interior of the built-in waterproof layer (3) is made of polyvinyl chloride materials.

3. A stretch resistant electrical wire cable according to claim 1, wherein: the current shielding layer (4) is made of rubber materials.

4. A stretch resistant electrical wire cable according to claim 1, wherein: the interior of the built-in fireproof layer (5) is made of asbestos powder.

5. A stretch resistant electrical wire cable according to claim 1, wherein: the filling shock absorption layer (6) is internally made of cotton yarn.

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