CN212694865U

CN212694865U - High temperature resistant tensile strength flexible cable

Info

Publication number: CN212694865U
Application number: CN202022138545.2U
Authority: CN
Inventors: 崔巍
Original assignee: Jiangsu Rising Intelligent Technology Co ltd
Current assignee: Jiangsu Rising Intelligent Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-03-12
Anticipated expiration: 2030-09-25

Abstract

The utility model belongs to the technical field, and discloses a high temperature resistant tensile strength flexible cable, which comprises an outer sheath, wherein an inner sheath is arranged inside the outer sheath, four wires are connected inside the inner sheath, an insulating sleeve is arranged on the outer wall of each wire, a first tensile layer is connected between the inside of the outer sheath and the outside of the inner sheath, a second tensile layer is fixed on the inner wall of the inner sheath, and a reinforced steel wire is connected between the four wires inside the inner sheath, the flexibility of the whole cable is greatly enhanced through the matching of the first tensile layer and the second tensile layer, thereby the tensile property of the cable is greatly improved, the wires can be arranged more compactly through the matching of the reinforced steel wire and a reinforcing sheet, the tensile strength of the cable is further enhanced, and the cable is effectively prevented from being broken in the moving and pulling process, the service life of the cable is greatly prolonged.

Description

High temperature resistant tensile strength flexible cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to high temperature resistant tensile strength flexible cable.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, and is used for transmitting electric power or information from one place to another place, and comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, wherein the power cable, the control cable, the compensation cable, the shielding cable, the high-temperature cable, the computer cable, the signal cable, the coaxial cable, the fire-resistant cable, the marine cable, the mining cable, the aluminum alloy cable and the like are all composed of single-strand.

Rubber flexible cable type on the existing market is more, is used for various domestic appliance, electric tool and various removal electrical equipment usually, but current flexible cable pertinence is not strong, and its self tensile strength is relatively poor, very easily breaks off at the in-process that the removal was dragged, thereby influences the normal use of cable, in addition, the high temperature resistant performance of cable is general, and the cable is all burnt out easily when inside conductor generates heat and external high temperature, thereby causes the short circuit conflagration even, very influences the security.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant stretching resistance flexible cable to the tensile strength who proposes in solving above-mentioned background art is poor, and the general problem of high temperature resistant performance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant stretching resistance flexible cable, includes the oversheath, the internally mounted of oversheath has the inner sheath, the internal connection of inner sheath has four wires, four the outer wall of wire is all installed and is equipped with the insulating sheath, be connected with first tensile layer between the inside of oversheath and the outside of inner sheath, the inner wall of inner sheath is fixed with the second tensile layer, and the inside position department that is located between four wires of inner sheath is connected with the enhancement steel wire, the outer wall of enhancement steel wire just is located and installs the reinforcing piece between two adjacent wires.

Preferably, the composite layer is installed on the inner wall of the outer sheath and comprises a flame-retardant layer, a first ceramic fiber layer and a second ceramic fiber layer, the flame-retardant layer is located between the first ceramic fiber layer and the second ceramic fiber layer, the flame-retardant layer is located between the two first ceramic fiber layers, and the outer wall of the insulating sleeve is connected with an elastic layer.

Preferably, the outer wall of the outer sheath is connected with a waterproof layer, and the outer wall of the waterproof layer is provided with a drainage groove.

Preferably, the number of the reinforcing sheets is four, and the interval between two adjacent reinforcing sheets is equal.

Preferably, the outer sheath is internally provided with a through hole which is of a circular structure.

Preferably, the inner sheath is filled with water-blocking cable paste, and the outer diameter of the inner sheath is smaller than the inner diameter of the outer sheath.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a cooperation on first tensile layer and the second tensile layer, very big reinforcing the flexibility of whole cable to improve the tensile strength of cable greatly, through strengthening the steel wire and strengthening the piece cooperation, can make the compacter that the wire was arranged, further strengthened the tensile strength of cable, and then effectually prevented that the cable from dragging the in-process emergence fracture that draws in the removal, prolonged the life of cable greatly.

(2) The utility model discloses a composite bed can make the cable have stronger high temperature resistance, and fire behavior is high, has improved the security of cable greatly, can protect the wire through the elastic layer to prevent that the cable from receiving the extrusion damage, improved the compressive property of cable greatly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the composite layer of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

in the figure: 1. an inner sheath; 2. an outer sheath; 3. a first tensile layer; 4. a second tensile layer; 5. compounding layers; 51. a first ceramic fiber layer; 52. a flame retardant layer; 53. a second ceramic fiber layer; 6. a through hole; 7. a reinforcing sheet; 8. reinforcing steel wires; 9. a wire; 10. an insulating sleeve; 11. an elastic layer; 12. and a waterproof layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-3, the present invention provides the following technical solutions: a high-temperature-resistant tensile-resistant flexible cable comprises an outer sheath 2, an inner sheath 1 is arranged inside the outer sheath 2, four wires 9 are connected inside the inner sheath 1, insulating sleeves 10 are arranged on the outer walls of the four wires 9, a first tensile layer 3 is connected between the inside of the outer sheath 2 and the outside of the inner sheath 1, a second tensile layer 4 is fixed on the inner wall of the inner sheath 1, the first tensile layer 3 is formed by weaving copper wires, the second tensile layer 4 is made of glass fibers, the flexibility of the whole cable is greatly enhanced under the matching of the first tensile layer 3 and the second tensile layer 4, the tensile property of the cable is greatly improved, reinforcing steel wires 8 are connected to positions, located between the four wires 9, inside the inner sheath 1, reinforcing sheets 7 are arranged on the outer walls of the reinforcing steel wires 8 and located between two adjacent wires 9, and in addition, the reinforcing steel wires 8 are matched with the reinforcing sheets 7, can make the compacter that wire 9 arranged, further strengthen the tensile ability of cable simultaneously, and then effectually prevent that the cable from pulling the in-process that draws and breaking, prolonged the life of cable greatly.

Furthermore, the composite layer 5 is installed on the inner wall of the outer sheath 2, the composite layer 5 comprises a flame retardant layer 52, a first ceramic fiber layer 51 and a second ceramic fiber layer 53, the flame retardant layer 52 is located between the first ceramic fiber layer 51 and the second ceramic fiber layer 53, the flame retardant layer 52 is located between the two first ceramic fiber layers 51, the outer wall of the insulating sleeve 10 is connected with an elastic layer 11, the first ceramic fiber layer 51 and the second ceramic fiber layer 53 are both made of ceramic fibers and have high temperature resistance, the flame retardant layer is composed of a magnesium hydroxide flame retardant, the cable can have high temperature resistance under the action of the composite layer 5, the fireproof performance is high, the safety of the cable is greatly improved, the elastic layer 11 is made of polyester fibers and has excellent high elastic recovery rate, so that the lead 9 can be protected, and the cable is prevented from being damaged by extrusion, the compression resistance of the cable is improved.

Further, the outer wall of the outer sheath 2 is connected with a waterproof layer 12, rainwater can be prevented from permeating into the outer sheath 2 through the waterproof layer 12, and the outer wall of the waterproof layer 12 is provided with a drainage groove.

Specifically, the number of the reinforcing pieces 7 is four, the reinforcing pieces 7 have a limiting and reinforcing effect, and the intervals between two adjacent reinforcing pieces 7 are equal.

Specifically, the through hole 6 is opened in the outer sheath 2, and the through hole 6 is of a circular structure.

Specifically, the inner sheath 1 is filled with water-blocking cable paste, the water-blocking cable paste has a waterproof effect, and the outer diameter of the inner sheath 1 is smaller than the inner diameter of the outer sheath 2.

The utility model discloses a theory of operation and use flow: the utility model discloses a when using, effect through composite bed 5, can make the cable have stronger high temperature resistance, and fire behavior is high, the security of cable has been improved greatly, can protect wire 9 through elastic layer 11, prevented that the cable from receiving the extrusion damage, the compressive property of cable has been improved, then under the cooperation of first tensile layer 3 and second tensile layer 4, very big reinforcing the flexibility of whole cable, thereby the tensile property of cable has been improved greatly, through reinforcing steel wire 8 and reinforcing sheet 7 cooperation, can make the compacter that wire 9 arranged, the further tensile ability of cable that has strengthened simultaneously, and then the effectual in-process that has prevented that the cable from dragging in the removal breaks, the life of cable has been prolonged greatly.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high temperature resistant tensile strength flexible cable which characterized in that: including oversheath (2), the internally mounted of oversheath (2) has inner sheath (1), the internal connection of inner sheath (1) has four wires (9), four the outer wall of wire (9) is all installed and is equipped with insulating sheath (10), be connected with first tensile layer (3) between the inside of oversheath (2) and the outside of inner sheath (1), the inner wall of inner sheath (1) is fixed with second tensile layer (4), and the position department that the inside of inner sheath (1) is located between four wires (9) is connected with and strengthens steel wire (8), strengthen the outer wall of steel wire (8) and be located and install reinforcing sheet (7) between two adjacent wires (9).

2. The high temperature resistant tensile flexible cable according to claim 1, wherein: the composite layer (5) is installed on the inner wall of the outer sheath (2), the composite layer (5) comprises a flame-retardant layer (52), a first ceramic fiber layer (51) and a second ceramic fiber layer (53), the flame-retardant layer (52) is located between the first ceramic fiber layer (51) and the second ceramic fiber layer (53), and the elastic layer (11) is connected to the outer wall of the insulating sleeve (10).

3. The high temperature resistant tensile flexible cable according to claim 1, wherein: the outer wall of the outer sheath (2) is connected with a waterproof layer (12), and drainage grooves are formed in the outer wall of the waterproof layer (12).

4. The high temperature resistant tensile flexible cable according to claim 1, wherein: the number of the reinforcing sheets (7) is four, and the intervals between two adjacent reinforcing sheets (7) are equal.

5. The high temperature resistant tensile flexible cable according to claim 1, wherein: through holes (6) are formed in the outer sheath (2), and the through holes (6) are of a circular structure.

6. The high temperature resistant tensile flexible cable according to claim 1, wherein: the water blocking cable paste is filled in the inner sheath (1), and the outer diameter of the inner sheath (1) is smaller than the inner diameter of the outer sheath (2).