CN211237763U

CN211237763U - High-performance metal sheath insulated flexible cable

Info

Publication number: CN211237763U
Application number: CN201922482215.2U
Authority: CN
Inventors: 沈学扬
Original assignee: Guangzhou Bogao Material Technology Co ltd
Current assignee: Guangzhou Bogao Material Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-11
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a high performance metal sheath flexible cable that insulates, including cable body, outer protective housing, inner protective layer, flexible packing protective layer, electric wire parcel layer and bulletproof silk, the cable body outside is provided with outer protective housing, and the outer protective housing inboard is provided with the inner protective layer, and the inner protective layer inboard is provided with flexible packing protective layer, and flexible packing protective layer inboard is provided with electric wire parcel layer, and electric wire parcel layer center is provided with bulletproof silk, and electric wire parcel layer uses bulletproof silk to be provided with 4 electric wires as central symmetry. The utility model provides a pair of flexible cable of high performance metal sheath insulation can effectively prevent inside electric leakage through the inner protective layer that sets up, thereby prevents the inside corruption electric wire of outside steam infiltration cable simultaneously, and the shellproof silk that the flexible filling protective layer cooperation cable center that sets up of inside in addition can effectively promote the holistic buckling of cable and tensile strength, makes the cable softer, is convenient for adapt to the condition of laying in various districts.

Description

High-performance metal sheath insulated flexible cable

Technical Field

The utility model relates to a cable protective structure field particularly, relates to an insulating flexible cable of high performance metal sheath.

Background

Cables are generally rope-like cables made by stranding several or groups of conductors, at least two in each group, each group being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The device is erected in the air or installed underground or underwater for telecommunication or power transmission.

The utility model provides a cable of application number CN 105336412A, including a plurality of insulation core, these some insulation core twists into a stranding, and each insulation core includes a conductor and an insulating layer, the surface extrusion aluminium cover of stranding, insulation core's transposition pitch with the pitch of aluminium cover is the same. Through directly extruding an aluminium cover in the stranding outside, reduced the consumeing of filler material on the one hand, on the other hand, aluminium cover external diameter itself reduces, and the consumptive material still less, aluminium cover length is cable length promptly, and linear resistance is little, and the contact of aluminium cover and cable core is become the cambered surface by the threadiness, no longer for the air isolated, and the radiating effect is greatly improved, and its current-carrying capacity also strengthens to some extent. However, the aluminum sleeve design adopted by the product causes the hardness of the whole cable to be too high, and various laying modes in different sections cannot be realized, so that the cable is not applicable when being required to be bent for multiple times for laying.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulating flexible cable of high performance metal sheath to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flexible cable of high performance metal sheath insulation, includes cable body, outer protective housing, inner protective layer, flexible packing protective layer, electric wire parcel layer and bulletproof silk, the cable body outside is provided with the outer protective housing, the outer protective housing inboard is provided with the inner protective layer, the inner protective layer inboard is provided with the flexible packing protective layer, flexible packing protective layer inboard is provided with the electric wire parcel layer, electric wire parcel layer center is provided with bulletproof silk, electric wire parcel layer with bulletproof silk is provided with 4 for central symmetry the electric wire.

Further, the inner protective layer is including insulating layer and waterproof layer, the waterproof layer set up in the outer protective shell is inboard, the insulating layer set up in the waterproof layer is inboard.

Furthermore, a plurality of flame-retardant gaskets are arranged at the joint of the flexible filling protective layer and the inner protective layer and with the bulletproof wire as the center.

Further, the insulating layer is made of a mineral insulating material containing magnesium oxide, and the thickness of the insulating layer is 10 mm.

Furthermore, the waterproof layer is high-elasticity rubber waterproof paint, and the thickness of the waterproof layer is 5 mm.

Furthermore, the contact surface between the outer protective shell, the inner protective layer, the flexible filling protective layer and the adjacent layers of the electric wire wrapping layer is provided with connecting threads.

Furthermore, a plurality of convex particles are arranged on the contact surface between the outer protective shell, the inner protective layer, the flexible filling protective layer and the adjacent layers of the electric wire wrapping layer.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model provides a pair of flexible cable of high performance metal sheath insulation can effectively prevent inside electric leakage through the inner protective layer that sets up, thereby prevents the inside corruption electric wire of outside steam infiltration cable simultaneously, and the shellproof silk that the flexible filling protective layer cooperation cable center that sets up of inside in addition can effectively promote the holistic buckling of cable and tensile strength, makes the cable softer, is convenient for adapt to the condition of laying in various districts.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only 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 structural view of a high-performance metal-sheathed insulated flexible cable according to an embodiment of the present invention;

fig. 2 is a schematic view of an engagement thread structure of a high-performance metal-sheathed insulated flexible cable according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a cross section of an inner protective layer of a high-performance metal sheath insulated flexible cable according to an embodiment of the present invention;

fig. 4 is a partially enlarged schematic view at a in fig. 2.

Reference numerals:

1. a cable body; 2. an outer protective shell; 3. an inner protective layer; 4. a flame retardant gasket; 5. a flexible filling protective layer; 6. a wire wrapping layer; 7. anti-stretch yarn; 8. an electric wire; 9. an insulating layer; 10. a waterproof layer; 11. engaging threads; 12. and (5) convex particles.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1-4, according to the embodiment of the present invention, a high performance metal sheath insulated flexible cable includes a cable body 1, an outer protective shell 2, an inner protective layer 3, a flexible filling protective layer 5, a wire wrapping layer 6 and a bulletproof wire 7, wherein the outermost side of the cable body 1 is provided with the outer protective shell 2, the inner protective layer 3 is arranged at the inner side of the outer protective shell 2, the inner protective layer 3 is provided with the flexible filling protective layer 5 at the inner side, the wire wrapping layer 6 is arranged at the inner side of the flexible filling protective layer 5, the center of the wire wrapping layer 6 is provided with the bulletproof wire 7, and the wire wrapping layer 6 is provided with 4 wires 8 using the bulletproof wire 7 as a central symmetry.

Through the above technical scheme of the utility model, inner protective layer 3 is including insulating layer 9 and waterproof layer 10, waterproof layer 10 set up in 2 inboards of outer protective housing, insulating layer 9 set up in waterproof layer 10 is inboard, makes the holistic factor of safety of cable obtain promotion by a wide margin.

Through the above technical scheme of the utility model, flexible packing protective layer 5 with the 3 junctions of inner protective layer are in the bulletproof silk 7 is provided with a plurality of fire-retardant gaskets 4 as the center, can take place under the condition of spontaneous combustion because of the high temperature at the cable, with inside or outside flame separation, stretching of the very first time separation intensity of a fire.

Through the above technical scheme of the utility model, insulating layer 9 is the mineral substance insulating material who contains magnesium oxide, insulating layer 9 thickness is 10mm, avoids the cable electric leakage.

Through the above technical scheme of the utility model, waterproof layer 10 is high-elastic rubber waterproof coating, waterproof layer 10 thickness is 5mm, inside effective separation external steam infiltration cable, and then corruption electric wire 8.

Through the above technical scheme of the utility model, outer protective housing 2, inner protective layer 3, flexible packing protective layer 5 and contact surface between the 6 adjacent layers of electric wire parcel layer all is provided with linking up screw thread 11, increases the cohesive force between the adjacent articulamentum.

Through the above technical scheme of the utility model, outer protective housing 2, interior protective layer 3, flexible filling protective layer 5 and be provided with a plurality of protruding grain 12 on the contact surface between the 6 adjacent layers of electric wire parcel layer, further increase the adhesion force between the adjacent articulamentum.

When concrete application, the inner protective layer 3 that sets up can effectively prevent inside electric leakage, thereby prevents inside corruption electric wire 8 of outside steam infiltration cable simultaneously, and 5 cooperation cables center shellproof silks 7 that set up of flexible filling protective layer that in addition inside set up can effectively promote holistic buckling and tensile strength of cable, make the cable softer, are convenient for adapt to the condition of laying in various districts.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. The utility model provides a flexible cable of high performance metal sheath insulation, includes cable body (1), outer protective housing (2), inner protective layer (3), flexible packing protective layer (5), electric wire parcel layer (6) and shellproof silk (7), its characterized in that, cable body (1) outside is provided with outer protective housing (2), outer protective housing (2) inboard is provided with inner protective layer (3), inner protective layer (3) inboard is provided with flexible packing protective layer (5), flexible packing protective layer (5) inboard is provided with electric wire parcel layer (6), electric wire parcel layer (6) center is provided with shellproof silk (7), electric wire parcel layer (6) with shellproof silk (7) are provided with 4 for central symmetry electric wire (8).

2. The high-performance metal sheath insulated flexible cable according to claim 1, wherein the inner protective layer (3) comprises an insulating layer (9) and a waterproof layer (10), the waterproof layer (10) is disposed inside the outer protective shell (2), and the insulating layer (9) is disposed inside the waterproof layer (10).

3. A high performance metal sheath insulated flexible cable as claimed in claim 1, characterized in that the flexible filling protective layer (5) is provided with a plurality of flame retardant gaskets (4) at the junction of the inner protective layer (3) and the bulletproof wires (7) as the center.

4. A high performance metal-sheathed insulated flexible cable according to claim 2, characterized in that the insulating layer (9) has a thickness of 10 mm.

5. The high-performance metal sheath insulated flexible cable according to claim 2, wherein the waterproof layer (10) is a high-elastic rubber waterproof coating material, and the thickness of the waterproof layer (10) is 5 mm.

6. A high performance metal sheath insulated flexible cable as claimed in claim 1, characterized in that the contact surfaces between adjacent layers of the outer protective shell (2), inner protective layer (3), flexible filler protective layer (5) and the wire wrapping (6) are provided with engaging threads (11).

7. A high performance metal-sheathed insulated flexible cable according to claim 1, characterized in that a plurality of beads (12) are provided on the contact surface between adjacent layers of the outer protective casing (2), inner protective layer (3), flexible filler protective layer (5) and the wire coating (6).