CN216119649U - Isolated form mineral insulation wrinkle copper sheath flexible fireproof cable - Google Patents

Abstract

The utility model provides an isolated form mineral insulation wrinkle copper sheath flexible fireproof cable, relates to flexible fireproof cable technical field, including the registration arm, the surface mounting of registration arm has the pressure-resistant frame, and the internally mounted of pressure-resistant frame has the filler, and the internally mounted of filler has metallic conductor, and metallic conductor's surface mounting has the parcel layer, and the surface mounting on parcel layer has the insulating layer, and the surface mounting of pressure-resistant frame has the inoxidizing coating, and the surface mounting of inoxidizing coating has the fire prevention inner liner. The insulating layer and the inlayer copper sheath that the cable is inside to set up all use can high resistance to compression and the strong material of tensile strength, and are provided with and prevent pressing the frame, protect the guardianship conductor in the inside of cable, improve resistance to compression and tensile function, reduce the yielding risk of cable and take place, are provided with the filling layer and further prevent pressing, still are provided with the registration arm, fix metallic conductor's position in the inside of cable, prevent that metallic conductor from shifting to lead to the cable to take place to damage.

Description

Isolated form mineral insulation wrinkle copper sheath flexible fireproof cable

Technical Field

The utility model relates to the technical field of flexible fireproof cables, in particular to an isolated mineral insulation corrugated copper sheath flexible fireproof cable.

Background

The fireproof cable is a generic term of electric wires and cables having fireproof performance, and is generally classified into two types, i.e., a flame-retardant electric wire and cable and a flame-retardant electric wire and cable. The flame retardance means that the spread of flame along the electric wire and the cable is retarded and delayed, so that the fire is not expanded, and the cable has self-extinguishing performance after being ignited; flame resistance means that operation can be maintained for a period of time in the event of a flame burning, i.e. the integrity of the electrical circuit is maintained, this type of cable having a power supply capability for a period of time in the flame.

The fire behavior of fire prevention cable is the important thing that directly concerns life and property safety in the conflagration, and the mineral insulation layer in some present fire prevention cables and the gentle effect of copper sheath make the flexible better but intensity of whole cable not enough, and resistance to compression, tensile ability are relatively poor, make the cable take place length deformation easily, and then influence the electrical property and the life of cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an isolated mineral insulation corrugated copper sheath flexible fireproof cable, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a flexible fireproof cable of isolated form mineral insulation wrinkle copper sheath, includes the registration arm, the surface mounting of registration arm has prevents pressing the frame, the internally mounted of preventing pressing the frame has the filler, the internally mounted of filler has metallic conductor, metallic conductor's surface mounting and parcel layer, the surface mounting on parcel layer has the insulating layer, the surface mounting of preventing pressing the frame has the inoxidizing coating, the surface mounting of inoxidizing coating has the fire prevention inner liner, the surface mounting of fire prevention inner liner has inner layer copper sheath, the surface mounting of inner layer copper sheath has the fire prevention filling layer, the surface mounting of fire prevention filling layer has corrosion resistant layer. The parcel layer carries out the first layer parcel with metal conductor, and the insulating layer plays insulating effect, sets up metal conductor in preventing pressing the frame, prevents to crush metal conductor, and is provided with the filler, consolidates the function of preventing pressing, and inoxidizing coating, fire prevention inner liner and fire prevention filling layer prevent fires the cable main part, and the inner copper sheath of setting protects the cable, and has set up corrosion-resistant layer, anticorrosives the cable.

Preferably, a cable core is arranged in the metal conductor and is connected in a twisted manner, and the cable core in the metal conductor forms a complete metal conductor.

Preferably, the insulating layer is made of a cross-linked polyethylene material layer, and the cross-linked polyethylene material layer has good compression resistance and tensile resistance.

Preferably, the central point of the positioning tube is the same as that of the pressure-proof frame, and the positioning tube is positioned in the pressure-proof frame and can position the metal conductor in the pressure-proof frame to prevent displacement.

Preferably, the pressure-proof frame is provided with four through holes, the metal conductor is arranged in the pressure-proof frame provided with the through holes, and the pressure-proof frame is provided with the through holes so that the metal conductor can be conveniently arranged in the pressure-proof frame.

Preferably, the inside setting of fire prevention filling layer separates the oxygen layer, and the oxygen layer that separates that the setting plays the effect of isolated oxygen fire prevention.

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

1. this isolated form mineral insulation wrinkle copper sheath flexible fireproof cable, the insulating layer and the inlayer copper sheath that the cable inside set up all use can high resistance to compression and the material that tensile ability is strong, and is provided with and prevents pressing the frame, at the inside protection conductor of cable, improves the function of resistance to compression and tensile, reduces the yielding risk of cable and takes place.

2. This isolated form mineral insulation wrinkle copper sheath flexible fireproof cable is provided with the filling layer and further prevents pressing, still is provided with the registration arm, fixes metallic conductor's position in the inside of cable, prevents that metallic conductor from shifting to lead to the cable to take place to damage.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the connection relationship between the anti-pressure frame and the protective layer according to the present invention.

FIG. 3 is a schematic view of the connection of the metal conductor, the cladding and the insulation layer according to the present invention.

In the figure: 1. a metal conductor; 2. a wrapping layer; 3. an insulating layer; 4. a pressure prevention frame; 5. a filler; 6. a protective layer; 7. a fire resistant inner liner; 8. an inner copper sheath; 9. a fire-resistant filler layer; 10. a corrosion-resistant layer; 11. and (4) positioning the tube.

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. 1-3, an embodiment of the present invention is shown: an isolated mineral insulation corrugated copper sheath flexible fireproof cable comprises a positioning tube 11, wherein a pressure-proof frame 4 is installed on the outer surface of the positioning tube 11, the positioning tube 11 is located inside the pressure-proof frame 4, the central point of the positioning tube 11 is the same as the central point of the pressure-proof frame 4, a metal conductor 1 inside the pressure-proof frame 4 can be positioned and prevented from shifting, four through holes are formed in the pressure-proof frame 4, the metal conductor 1 is arranged inside the through holes formed in the pressure-proof frame 4, the metal conductor 1 is conveniently installed inside the pressure-proof frame 4 by forming the through holes in the pressure-proof frame 4, a filler 5 is installed inside the pressure-proof frame 4, the metal conductor 1 is installed inside the filler 5, a cable core is arranged inside the metal conductor 1 and connected with the cable core in a twisted manner, the cable core inside the metal conductor 1 is wrapped to form a complete metal conductor 1, a layer 2 is installed on the outer surface of the metal conductor 1, and an insulating layer 3 is installed on the outer surface of the wrapping layer 2, insulating layer 3 constitutes for the crosslinked polyethylene material layer, the crosslinked polyethylene material layer has good resistance to compression and tensile performance, prevent pressing the surface mounting of frame 4 and have inoxidizing coating 6, the surface mounting of inoxidizing coating 6 has fire prevention inner liner 7, the surface mounting of fire prevention inner liner 7 has inner copper sheath 8, the surface mounting of inner copper sheath 8 has fire prevention filling layer 9, the inside setting of fire prevention filling layer 9 separates the oxygen layer, the oxygen layer that separates that sets up plays the effect of isolated oxygen fire prevention, the surface mounting of fire prevention filling layer 9 has corrosion resistant layer 10.

The working principle is as follows: wrapping layer 2 carries out the first layer parcel with metal conductor 1, insulating layer 3 plays insulating effect, set up metal conductor 1 in preventing pressing frame 4, prevent crushing metal conductor 1, and be provided with filler 5, consolidate preventing pressing the function, and the registration arm 11 sets up preventing pressing frame 4's central point, fix a position preventing pressing frame 4 inside metal conductor 1, prevent the aversion, inoxidizing coating 6, fire prevention inner liner 7 prevents fires the cable main part with fire prevention filling layer 9, the inlayer copper sheath 8 of setting protects the cable, and corrosion-resistant layer 10 has been set up, anticorrosion is carried out to the cable.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (6)

1. The utility model provides an isolated form mineral insulation wrinkle copper sheath flexible fireproof cable which characterized in that: including registration arm (11), the surface mounting of registration arm (11) has prevents pressing frame (4), the internally mounted of preventing pressing frame (4) has filler (5), the internally mounted of filler (5) has metallic conductor (1), the surface mounting of metallic conductor (1) has parcel layer (2), the surface mounting of parcel layer (2) has insulating layer (3), the surface mounting of preventing pressing frame (4) has inoxidizing coating (6), the surface mounting of inoxidizing coating (6) has fire prevention inner liner (7), the surface mounting of fire prevention inner liner (7) has inner copper sheath (8), the surface mounting of inner copper sheath (8) has fire prevention filling layer (9), the surface mounting of fire prevention filling layer (9) has corrosion resistant layer (10).

2. The isolated mineral insulated corrugated copper sheathed flexible fireproof cable of claim 1, wherein: a cable core is arranged in the metal conductor (1) and is connected in a twisted mode.

3. The isolated mineral insulated corrugated copper sheathed flexible fireproof cable of claim 1, wherein: the insulating layer (3) is formed by a cross-linked polyethylene material layer.

4. The isolated mineral insulated corrugated copper sheathed flexible fireproof cable of claim 1, wherein: the central point of the positioning tube (11) is the same as that of the pressure-proof frame (4).

5. The isolated mineral insulated corrugated copper sheathed flexible fireproof cable of claim 1, wherein: four through holes are formed in the pressure-proof frame (4), and the metal conductor (1) is arranged inside the through holes formed in the pressure-proof frame (4).

6. The isolated mineral insulated corrugated copper sheathed flexible fireproof cable of claim 1, wherein: and an oxygen isolation layer is arranged in the fireproof filling layer (9).

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