CN213716552U

CN213716552U - Fire-resistant rubber cable

Info

Publication number: CN213716552U
Application number: CN202023135397.5U
Authority: CN
Inventors: 陈林森
Original assignee: Anhui Welter Instrument Cable Co ltd
Current assignee: Anhui Welter Instrument Cable Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-07-16
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a fire-resistant rubber cable, conducting part include the conductor, the cladding is at the outside interior semi-conducting layer of conductor, the insulating layer of the outside of semi-conducting layer including the cladding, the cladding is at the outside shielding layer of the outside outer semi-conducting layer of insulating layer and cladding, fire-resistant part includes the flame retardant coating of the outside of cladding at shielding layer and the filler of the cavity of setting between shielding layer and flame retardant coating, hemp rope sets up in the cavity between a plurality of shielding layers, and interior sheath cladding is in the outside of flame retardant coating, and the cladding of polyvinyl chloride outer jacket is in the outside of interior sheath, the utility model discloses have stronger fire-resistant flame retardant property, for rescue time providing when taking place the conflagration, keep the inside dry cable to make simultaneously that the cable has good pliability, convenient operation uses.

Description

Fire-resistant rubber cable

Technical Field

The utility model relates to the technical field of cables, specifically a fire-resistant rubber cable.

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 coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and the cable can be 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. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like. The existing method still has some defects in use: the existing cable is relatively general in fire resistance, so that the service life of the cable is influenced, and the existing cable is poor in flexibility and difficult to operate and use when bent.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a fire-resistant rubber cable has stronger fire-resistant flame retardant property, provides time for the rescue when taking place the conflagration, keeps the inside drying of cable to make the cable have good pliability simultaneously, facilitates the operation and uses.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

a fire resistant rubber electrical cable, comprising:

a conductive member including a conductor, an inner semiconductive layer coated outside the conductor, an insulating layer coated outside the inner semiconductive layer, an outer semiconductive layer coated outside the insulating layer, and a shield layer coated outside the outer semiconductive layer; the fireproof component comprises a fireproof layer coated outside the shielding layer and filler of a cavity arranged between the shielding layer and the fireproof layer; the hemp rope is arranged in the cavity between the shielding layers; the inner protection layer is coated outside the fire-resistant layer; and the polyvinyl chloride outer protection layer is coated outside the inner protection layer. As a preferable aspect of the fire-resistant rubber cable of the present invention, wherein the shielding layer is made of copper. As a preferred embodiment of the fire-resistant rubber cable of the present invention, wherein the fire-resistant layer is made of mica tape. As an optimized scheme of the fire-resistant rubber cable, wherein, the filler is made of fire-resistant material. As a preferred scheme of fire-resistant rubber cable, wherein, interior sheath is made by the rubber material. As an optimized scheme of the fire-resistant rubber cable, wherein, the outer surface of the polyvinyl chloride outer protective layer is provided with a layer of phosphate adhesive fireproof coating. As a preferable aspect of the fire-resistant rubber cable of the present invention, the hemp rope has a surface coated with a dry powder.

Compared with the prior art, the utility model discloses the beneficial effect who has is: when the utility model is used specifically, the conductor is used for transmitting data, the inner semi-conducting layer and the outer semi-conducting layer are used for improving electric field distribution, reducing electric field deformity on the surface of the conductor and the outer surface of the insulating layer, avoiding point discharge, the insulating layer prevents short circuit of cable grounding, the flame retardant coating is made of mica tape, the filler is made of fire-resistant material, the fire resistance of the cable is increased, the surface of the hemp rope is coated with dry powder, the flexibility of the cable can be enhanced, the moisture in the cable is prevented, the operation and the use are convenient, the inner protective layer is made of rubber material, the cable can be protected mechanically, the outer surface of the polyvinyl chloride outer protective layer is provided with a layer of phosphate adhesive fireproof coating, the fire resistance and the fire resistance of the cable are further ensured, the utility model has stronger fire resistance and flame retardant property, time is provided for rescue when fire occurs, the, is convenient to operate and use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, 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 inventive labor. Wherein:

fig. 1 is a schematic view of the overall structure of a fire-resistant rubber cable according to the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

The utility model provides a fire-resistant rubber cable has stronger fire-resistant flame retardant property, provides time for the rescue when taking place the conflagration, keeps the inside drying of cable to make the cable have good pliability simultaneously, facilitates the operation and uses.

Fig. 1 is a schematic structural diagram of an embodiment of a fire-resistant rubber cable according to the present invention, referring to fig. 1, the fire-resistant rubber cable according to the embodiment includes a conductive member 100, a fire-resistant member 200, a hemp rope 300, an inner sheath 400, and a polyvinyl chloride outer sheath 500.

The conductive member 100 is used for transmitting data, specifically, the conductive member 100 includes a conductor 110, an inner semiconductive layer 120 coated outside the conductor 110, an insulating layer 130 coated outside the inner semiconductive layer 120, an outer semiconductive layer 140 coated outside the insulating layer 130, and a shield layer 150 coated outside the outer semiconductive layer 140, in a specific use, the conductor 110 is used for transmitting data, the inner semiconductive layer 120 and the outer semiconductive layer 140 are used for improving electric field distribution, reducing electric field deformity at the surface of the conductor 110 and the outer surface of the insulating layer 130, avoiding point discharge, and the insulating layer 130 prevents a cable ground short circuit. The fire-resistant component 200 is used for enhancing the fire resistance of the cable, and specifically, the fire-resistant component 200 includes a fire-resistant layer 210 coated outside the shielding layer 150 and a filler 220 arranged in a cavity between the shielding layer 150 and the fire-resistant layer 210, and when the fire-resistant component is used specifically, the arranged fire-resistant layer 210 is made of a mica tape, and the filler 220 is made of a fire-resistant material, so that the fire resistance of the cable is improved. The hemp rope 300 is used for enhancing the flexibility of the cable, and particularly, the hemp rope 300 is arranged in a cavity between the shielding layers 150, and when the hemp rope 300 is used, the surface of the hemp rope 300 is coated with dry powder, so that the flexibility of the cable can be enhanced, and the moisture inside the cable can be prevented. The inner sheath 400 is used for protecting the cable, and specifically, the cladding of inner sheath 400 is in the outside of flame retardant coating 210, and during the specific use, inner sheath 400 is made by the rubber material. The cable can be mechanically protected. The polyvinyl chloride outer protective layer 500 is used for enhancing the flame retardance of the cable, specifically, the polyvinyl chloride outer protective layer 500 is coated outside the inner protective layer 400, and when the cable is used specifically, a phosphate adhesive fireproof coating is arranged on the outer surface of the polyvinyl chloride outer protective layer 500, so that the flame-retardant and fireproof characteristics of the cable are further guaranteed. Referring to fig. 1, in a specific use of the fire-resistant rubber cable of the present embodiment, the conductor 110 is used for transmitting data, the inner semi-conductive layer 120 and the outer semi-conductive layer 140 are used for improving electric field distribution, reducing electric field deformity at the surface of the conductor 110 and the outer surface of the insulating layer 130, avoiding point discharge, the insulating layer 130 preventing short circuit of cable ground, the fire-resistant layer 210 is made of mica tape, the filler 220 is made of fire-resistant material, increasing the fire-resistant performance of the cable, the hemp rope 300 is coated with dry powder on the surface, which can enhance the flexibility of the cable and prevent moisture inside the cable, and is convenient to operate and use, the inner protective layer 400 is made of rubber material, which can mechanically protect the cable, the outer surface of the polyvinyl chloride outer protective layer 500 is provided with a phosphate binder fireproof coating, further ensuring the fire-resistant performance of the cable, the utility model has strong fire, the cable has the advantages that time is provided for rescue in case of fire, the inside of the cable is kept dry, and meanwhile the cable has good flexibility and is convenient to operate and use.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. A fire-resistant rubber electrical cable, comprising:

a conductive member (100) including a conductor (110), an inner semiconductive layer (120) coated outside the conductor (110), an insulating layer (130) coated outside the inner semiconductive layer (120), an outer semiconductive layer (140) coated outside the insulating layer (130), and a shield layer (150) coated outside the outer semiconductive layer (140); a refractory component (200) comprising a refractory layer (210) coating the exterior of the barrier layer (150) and a filler (220) disposed in a cavity between the barrier layer (150) and the refractory layer (210); a twine (300) disposed in the cavity between the plurality of shield layers (150); an inner sheath (400) covering the exterior of the refractory layer (210); and the polyvinyl chloride outer protective layer (500) is coated outside the inner protective layer (400).

2. A fire-resistant rubber cable according to claim 1, wherein said shielding layer (150) is made of copper.

3. The fire-resistant rubber cable according to claim 1, wherein the fire-resistant layer (210) is made of mica tape.

4. The fire-resistant rubber cable of claim 1, wherein the filler (220) is a fire-resistant material.

5. The fire-resistant rubber cable of claim 1, wherein the inner sheath (400) is made of a rubber material.

6. The fire-resistant rubber cable of claim 1, wherein the outer surface of the polyvinyl chloride outer sheath (500) is provided with a fire-resistant coating of a phosphate-based binder.

7. The fire-resistant rubber cable according to claim 1, wherein the surface of the hemp rope (300) is coated with a dry powder.