CN217181872U

CN217181872U - Novel fireproof cable

Info

Publication number: CN217181872U
Application number: CN202220231114.7U
Authority: CN
Inventors: 褚腾昊
Original assignee: Chongqing Motian Cable Co ltd
Current assignee: Chongqing Motian Cable Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-12
Anticipated expiration: 2032-01-27

Abstract

The utility model provides a novel fireproof cable, which comprises a flame-retardant rubber body, a signal line and a conductive circuit, wherein the cross section outline of the flame-retardant rubber body is in a straight notch shape, and the signal line and the conductive circuit respectively penetrate into the flame-retardant rubber body along one side of the cross section outline of the flame-retardant rubber body; a plurality of layers of clamping cavities are arranged in the cross section of the flame-retardant rubber body between the signal circuit and the conductive circuit from top to bottom, and the width direction of each layer of clamping cavity is parallel to the connecting line between the signal circuit and the conductive circuit; a group of notches are respectively arranged on the upper side and the lower side of the cross section of the flame-retardant rubber body between the signal line and the conductive circuit, and the connecting line between the two groups of notches is vertical to the connecting line between the signal line and the conductive circuit; in the fireproof cable, the cross section thickness of the flame-retardant rubber body is reduced due to the arrangement of the multilayer clamping cavities, so that the cutting is conveniently carried out from the notch by means of a cutter; meanwhile, due to the existence of the multiple layers of clamping cavities, the fireproof cable is easy to bend and is convenient to wind on a wire coil.

Description

Novel fireproof cable

Technical Field

The utility model relates to a cable field particularly, relates to a novel fireproof cable.

Background

There are some dual-purpose compound fireproof cables who has signal transmission and power transmission concurrently in the market, built-in signal line and conducting wire in its cable structure inside promptly, its usable a set of cable accomplishes the signal transmission at equipment terminal and power supply's demand, and the wiring is pleasing to the eye clean and tidy, and it is convenient to overhaul.

Generally, when the dual-purpose fireproof cable is connected with a device terminal, the skin at the tail end of the cable needs to be cut open so as to respectively lead out a signal line and a conducting circuit in the cable, and the skin of the cable is a flame-retardant rubber layer with a thick leather, so that cutting is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming of background art, provide a novel fireproof cable.

The embodiment of the utility model discloses a realize through following technical scheme:

a novel fireproof cable comprises a flame-retardant rubber body, a signal line and a conducting circuit, wherein the cross section outline of the flame-retardant rubber body is in a straight notch shape, and the signal line and the conducting circuit penetrate into the flame-retardant rubber body along one side of the cross section outline of the flame-retardant rubber body;

a plurality of layers of clamping cavities are arranged in the cross section of the flame-retardant rubber body between the signal circuit and the conducting circuit from top to bottom, and the width direction of each layer of clamping cavity is parallel to the connecting line between the signal circuit and the conducting circuit; and the upper side and the lower side of the cross section of the flame-retardant rubber body between the signal line and the conductive circuit are respectively provided with a group of notches, and the connecting line between the two groups of notches is vertical to the connecting line between the signal line and the conductive circuit.

In some preferred embodiments, the width of each set of said clip cavities is equally divided by a line connecting said two sets of said notches.

In some preferred embodiments, the signal line includes a skin layer, the skin layer is wrapped with a filler layer, and the filler layer is penetrated with a plurality of groups of copper strands and a plurality of groups of first steel strands.

In some preferred embodiments, the outer side wall of the copper stranded wire is wrapped with a shielding layer.

In some preferred embodiments, the plurality of groups of copper strands and the plurality of groups of first steel strands are arranged in a circumferential array around the axis of the signal line, and a group of first steel strands is arranged between each two adjacent groups of copper strands.

In some preferred embodiments, the conductive circuit comprises a fixing layer and a plurality of groups of metal wire bundles wrapped in the fixing layer, and the surface layer of each group of metal wire bundles is wrapped with an insulating layer.

In some preferred embodiments, a group of sheaths is arranged in the center of the fixing layer of the conductive circuit, and second steel strands penetrate through the sheaths; and a plurality of groups of wing plates are radially arranged on the periphery of the sheath, and a group of metal wire harnesses is respectively arranged in the area between every two adjacent groups of wing plates.

In some preferred embodiments, several groups of the metal wire strands are fixed on the outer sidewall of the sheath by being wound with a non-woven fabric layer.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

in the fireproof cable of the utility model, the signal line and the conductive circuit are positioned at the left and right sides of the cross section outline of the flame-retardant rubber body, a plurality of layers of clamping cavities are arranged in the cross section of the flame-retardant rubber body between the signal line and the conductive circuit, and a group of gaps are respectively arranged at the upper and lower sides of the cross section of the flame-retardant rubber body between the signal line and the conductive circuit; due to the arrangement of the multiple layers of clamping cavities, the thickness of the cross section of the flame-retardant rubber body is reduced, and the flame-retardant rubber body is convenient to cut from the notch by means of a cutter; meanwhile, due to the existence of the multiple layers of clamping cavities, the fireproof cable is easy to bend and is convenient to wind on a wire coil.

Drawings

Fig. 1 is a perspective view of the novel fireproof cable of the present invention;

fig. 2 is a front view of the novel fireproof cable of the present invention;

fig. 3 is a schematic structural view of a signal line in the novel fireproof cable of the present invention;

icon: 10-flame-retardant rubber body, 100-clamping cavity, 101-notch, 20-signal line, 200-first steel strand, 201-copper strand, 202-shielding layer, 203-filling layer, 204-skin layer, 30-conducting line, 300-second steel strand, 301-sheath, 302-wing plate, 303-insulating layer, 304-metal wire bundle, 305-non-woven fabric layer and 306-fixing layer.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Referring to fig. 1 to 3, the utility model discloses a novel fireproof cable, including the flame retardant rubber body 10, signal line 20 and conducting wire 30, wherein, signal line 20 and conducting wire 30 respectively set up a set ofly, just signal line 20 and conducting wire 30 all wear to locate among the flame retardant rubber body 10.

Referring to fig. 1, the cross-sectional profile of the flame retardant rubber body 10 is a straight notch shape, and the signal line 20 and the conductive line 30 respectively penetrate into the flame retardant rubber body 10 along one side of the cross-sectional profile of the flame retardant rubber body 10, in this embodiment, the signal line 20 penetrates along the right side of the cross-sectional profile of the flame retardant rubber body 10, and the conductive line 30 penetrates along the left side of the cross-sectional profile of the flame retardant rubber body 10.

A plurality of layers of clamping cavities 100 are arranged in the cross section of the flame-retardant rubber body 10 between the signal line 20 and the conducting circuit 30 from top to bottom, and the width direction of each layer of clamping cavity 100 is parallel to the connecting line between the signal line 20 and the conducting circuit 30, specifically, referring to fig. 2, the plurality of layers of clamping cavities 100 are uniformly arranged from top to bottom at intervals; in addition, a set of notches 101 is respectively arranged on the upper side and the lower side of the cross section of the flame retardant rubber body 10 between the signal line 20 and the conductive circuit 30, and a connecting line between the two sets of notches 101 is perpendicular to a connecting line between the signal line 20 and the conductive circuit 30; when cutting the flame retardant rubber body 10, cut along breach 101, owing to the existence of multilayer clamp chamber 100, alleviateed the thickness of flame retardant rubber body 10, it is comparatively convenient to cut.

Meanwhile, due to the existence of the multiple layers of clamping cavities 100, the thickness of the flame-retardant rubber body 10 is reduced, so that the novel fireproof cable is easy to bend and is convenient to wind on a wire spool.

In this embodiment, referring to fig. 2, the width of each group of the clamping cavities 100 is equally divided by the connecting line between the two groups of the notches 101, and the signal lines 20 and the conductive lines 30 are symmetrically arranged about the connecting line between the two groups of the notches 101.

In some preferred embodiments, the signal line 20 includes a skin layer 204, a filler layer 203 is wrapped inside the skin layer 204, the filler used in the filler layer 203 is a kevlar tensile filler, the skin layer 204 is used for wrapping and fixing the filler layer 203, a plurality of groups of copper strands 201 and a plurality of groups of first steel strands 200 are arranged inside the filler layer 203, the copper strands 201 are used for signal transmission, and the first steel strands 200 are used for enhancing connection strength.

The plurality of groups copper strands 201 and a plurality of groups first steel strand wires 200 encircle the axis of signal line 20 is the circumference array form setting, and all is equipped with a set ofly between per adjacent two sets of copper strands 201 first steel strand wires 200, the parcel has shielding layer 202 on the copper strand wires 201 lateral wall, avoids first steel strand wires 200's interference.

In addition, in some preferred embodiments, the conductive circuit 30 includes an outermost fixing layer 306 and several groups of metal wire bundles 304 wrapped in the fixing layer 306, and each group of metal wire bundles 304 is wrapped with an insulating layer 303; specifically, referring to fig. 3, a set of sheath 301 is disposed at a center of a fixing layer 306 of the conductive circuit 30, a set of second steel strands 300 for enhancing connection strength is inserted into the sheath 301, a plurality of sets of wing plates 302 are radially disposed around the sheath 301, in this embodiment, four sets of wing plates 302 are provided, and a set of metal wire harness 304 is disposed in an area between each two adjacent sets of wing plates 302, that is, in this embodiment, four sets of metal wire harnesses 304 are provided, an insulating layer 303 is disposed on a surface of each set of metal wire harness 304, and the four sets of metal wire harness 304 are wound and fixed on an outer side wall of the sheath 301 through a non-woven fabric layer 305, and are finally fixed and shaped through the fixing layer 306.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel fireproof cable is characterized by comprising a flame-retardant rubber body (10), a signal line (20) and a conducting circuit (30), wherein the cross section outline of the flame-retardant rubber body (10) is in a straight notch shape, and the signal line (20) and the conducting circuit (30) penetrate into the flame-retardant rubber body (10) along one side of the cross section outline of the flame-retardant rubber body (10);

a plurality of layers of clamping cavities (100) are arranged in the cross section of the flame-retardant rubber body (10) between the signal line (20) and the conducting circuit (30) from top to bottom, and the width direction of each layer of clamping cavity (100) is parallel to the connecting line between the signal line (20) and the conducting circuit (30); a group of notches (101) are respectively arranged on the upper side and the lower side of the cross section of the flame-retardant rubber body (10) between the signal line (20) and the conducting circuit (30), and a connecting line between the two groups of notches (101) is perpendicular to a connecting line between the signal line (20) and the conducting circuit (30).

2. The novel fire-resistant cable of claim 1, wherein: the width of each group of clamping cavities (100) is equally divided by a connecting line between the two groups of notches (101).

3. The novel fire-resistant cable of claim 1, wherein: the signal line (20) comprises an epidermal layer (204), a filling layer (203) is wrapped in the epidermal layer (204), and a plurality of groups of copper stranded wires (201) and a plurality of groups of first steel stranded wires (200) are arranged in the filling layer (203) in a penetrating mode.

4. The novel fire-resistant cable of claim 3, wherein: and the outer side wall of the copper stranded wire (201) is wrapped with a shielding layer (202).

5. A novel fire-resistant cable according to claim 3 or 4, characterized in that: the plurality of groups of copper strands (201) and the plurality of groups of first steel strands (200) encircle the axis of the signal line (20) and are arranged in a circumferential array manner, and a group of first steel strands (200) is arranged between every two adjacent groups of copper strands (201).

6. The novel fire-resistant cable of claim 1, wherein: the conductive circuit (30) comprises a fixing layer (306) and a plurality of groups of metal wire bundles (304) wrapped in the fixing layer (306), and an insulating layer (303) wraps the surface layer of each group of metal wire bundles (304).

7. The novel fire-resistant cable of claim 6, wherein: a group of sheaths (301) are arranged at the center of the fixing layer (306) of the conductive circuit (30), and second steel strands (300) penetrate through the sheaths (301); a plurality of groups of wing plates (302) are radially arranged on the periphery of the sheath (301), and a group of metal wire harnesses (304) is respectively arranged in the area between every two adjacent groups of wing plates (302).

8. The novel fire-resistant cable according to claim 7, wherein: a plurality of groups of the metal wire harnesses (304) are wound and fixed on the outer side wall of the sheath (301) through a non-woven fabric layer (305).