CN210865675U

CN210865675U - Anti cable of buckling

Info

Publication number: CN210865675U
Application number: CN201921271276.8U
Authority: CN
Inventors: 孙子元
Original assignee: Tianjin Langxing Wire & Cable Co ltd
Current assignee: Tianjin Langxing Wire & Cable Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-26
Anticipated expiration: 2029-08-07

Abstract

An anti-buckling cable, comprising: the protective layer comprises a first protective layer and a second protective layer, wherein the first protective layer wraps the exterior of the fireproof layer, and the second protective layer wraps the exterior of the first protective layer; the fireproof layer and the first protection layer are provided with grains on the outer portions. The utility model discloses the thickness of well flame retardant coating is the same with the thickness of second protective layer, and first protective layer presss from both sides between flame retardant coating and second protective layer, because second protective layer and outside direct contact, so thickness is great, and second protective layer outward appearance is smooth in addition, and the smooth surface of ware is easily rainwater or the dropping of snowing. The first protective layer sets up in the second protective layer, and its surface sets up horizontal line, and horizontal line is given the second protective layer with horizontal pulling force, avoids second protective layer axial fracture. The inside vertical line that sets up of flame retardant coating, the area of contact of increase flame retardant coating and first protective layer makes more inseparable of its parcel.

Description

Anti cable of buckling

Technical Field

The utility model relates to a cable field especially relates to an anti cable of buckling.

Background

The cable is a general term for articles such as optical cables and electric cables, is mainly used for controlling installation, connecting equipment, transmitting electric power and the like, and is common and indispensable in daily life. The cable mainly comprises an inner-layer electric conductor and a coating layer coated on the outer layer of the electric conductor, and the coating layer has the functions of insulation, protection and the like.

In the actual use process, the cable often needs to face various buckles, and the surface of the coating of cable is smooth compact form usually, and stretching ability is relatively weak, and the coating of cable and external environment direct contact bear the erosion of solarization and rain and other adverse circumstances, and the coating of cable appears the crackle easily over time, and then constantly develops into great crack, loses the efficiency of protection cable inner structure. The prior art designs a cable with bending wrinkles outside to solve the problem, and the cable is large in volume and weight and increases the material consumption. In addition, the folded part of the cable with the bent folds is easy to accumulate water in rainy days when the cable is transversely hung at high altitude, and is not beneficial to discharge.

SUMMERY OF THE UTILITY MODEL

To the above problem, an object of the utility model is to provide an anti cable of buckling.

The utility model provides a technical scheme that relevant technical problem adopted is: an anti-buckling cable, comprising:

the wire bundle comprises a plurality of wires for conducting electricity;

the insulating layer is used for wrapping the lead;

the fireproof layer is used for wrapping the insulating layer and preventing the insulating layer and the conducting wire inside from deforming due to high temperature;

a protective layer comprising a first protective layer and a second protective layer,

wherein the first protective layer is wrapped outside the fire-proof layer, and the second protective layer is wrapped outside the first protective layer; the fireproof layer and the first protection layer are provided with grains on the outer portions.

Further, an annular cross stripe is arranged outside the first protection layer.

Further, the fireproof layer is externally provided with strip-shaped longitudinal grains.

Furthermore, the wire bundle is formed by twisting a plurality of strands of wire wires, and the wire wires are steel-cored aluminum wires.

Further, the thickness of the fireproof layer is larger than that of the first protection layer, and the thickness of the fireproof layer is 4-6 mm.

Further, the thickness of the first protective layer is 1-3 mm.

Further, the thickness of the second protective layer is 4-6 mm.

Further, the protective layer adopts flame-retardant polyvinyl fluoride.

The utility model has the advantages that:

1. the utility model discloses in designed an anti cable of buckling, include: wire harness, insulating layer, flame retardant coating, protective layer, the protective layer includes first protective layer and second protective layer, and the cable of protecting inside through these range upon range of settings can be waterproof, prevent frostbite, fire-resistant.

2. The utility model discloses the thickness of well flame retardant coating is the same with the thickness of second protective layer, and first protective layer presss from both sides between flame retardant coating and second protective layer, because second protective layer and outside direct contact, so thickness is great, and second protective layer outward appearance is smooth in addition, and the smooth surface of ware is easily rainwater or the dropping of snowing. The first protective layer sets up in the second protective layer, and its surface sets up horizontal line, and horizontal line is given the second protective layer with horizontal pulling force, avoids second protective layer axial fracture. The inside vertical line that sets up of flame retardant coating, the area of contact of increase flame retardant coating and first protective layer makes more inseparable of its parcel.

3. The utility model discloses a protective layer adopts fire-retardant polyvinyl fluoride material, improves the corrosion resisting ability of cable to and the ability and the cold-resistant ability of resisting high temperature.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of an anti-bending cable according to the present invention.

Fig. 2 is a schematic view of a three-dimensional structure of an anti-bending cable of the present invention.

Wherein:

1. a wire harness; 2. an insulating layer; 3. a fire barrier layer; 4. a first protective layer;

5. a second protective layer; 31. transverse lines; 41. longitudinal lines;

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

1-2, an anti-buckling cable, comprising:

the lead bundle 1 comprises a plurality of wires for conducting electricity;

an insulating layer 2 for wrapping the wire;

the fireproof layer 3 is used for wrapping the insulating layer 2 and preventing the insulating layer 2 and the lead inside from deforming due to high temperature;

protective layers, including a first protective layer 4 and a second protective layer 5,

wherein, the first protective layer 4 is wrapped outside the fireproof layer 3, and the second protective layer 5 is wrapped outside the first protective layer 4; the fireproof layer 3 and the first protection layer 4 are provided with grains on the outer portions.

As shown in fig. 2, the first protective layer 4 is provided with a ring-shaped cross-grain 31.

As shown in fig. 2, the fire-retardant layer 3 is externally provided with longitudinal stripes 41.

In addition, it is particularly emphasized that the wire bundle 1 is formed by twisting a plurality of wire strands, which are steel-cored aluminum wires. The thickness of the fire-proof layer is greater than that of the first protective layer 4, and the thickness of the fire-proof layer is 4-6 mm. The thickness of the first protective layer 4 is 1-3 mm. The thickness of the second protective layer 5 is 4-6 mm. The protective layer adopts flame-retardant polyvinyl fluoride. The cable is made of the flame-retardant polyvinyl fluoride material, so that the corrosion resistance, the high temperature resistance and the cold resistance of the cable are improved.

The working mode is as follows:

the utility model discloses in designed an anti cable of buckling, include: the cable comprises a wire harness 1, an insulating layer 2, a fireproof layer 3 and protective layers, wherein the protective layers comprise a first protective layer 4 and a second protective layer 5, and the stacked arrangement can protect the inner cable from water, freezing and fire.

The utility model discloses the thickness of well flame retardant coating is the same with the thickness of second protective layer 5, and first protective layer 4 presss from both sides between flame retardant coating and second protective layer 5, because second protective layer 5 and outside direct contact, so thickness is great, and second protective layer 5 outward appearance is smooth in addition, and what the smooth surface of ware was easily rainwater or snowfall drops. First protective layer 4 sets up in second protective layer 5, and its surface sets up horizontal line, and horizontal line is given second protective layer 5 with horizontal pulling force, avoids 5 axial fracture of second protective layer. The inside vertical line that sets up of flame retardant coating 3 increases flame retardant coating 3 and first protective layer 4's area of contact, makes its parcel more inseparabler.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An anti-buckling cable, comprising:

the wire bundle comprises a plurality of wires for conducting electricity;

the insulating layer is used for wrapping the lead;

2. A bend-resistant cable as recited in claim 1, wherein: and annular transverse striations are arranged outside the first protective layer.

3. A bend-resistant cable as recited in claim 1, wherein: and strip-shaped longitudinal grains are arranged outside the fireproof layer.

4. A bend-resistant cable as recited in claim 1, wherein: the wire bundle is formed by twisting a plurality of strands of wire strands, and the wire strands are steel-cored aluminum conductors.

5. A bend-resistant cable as recited in claim 1, wherein: the thickness of flame retardant coating is greater than the thickness of first protective layer, the thickness of flame retardant coating is 4-6 mm.

6. A bend-resistant cable as recited in claim 1, wherein: the thickness of the first protective layer is 1-3 mm.

7. A bend-resistant cable as recited in claim 1, wherein: the thickness of the second protective layer is 4-6 mm.

8. A bend-resistant cable as recited in claim 1, wherein: the protective layer adopts flame-retardant polyvinyl fluoride.