CN210200384U

CN210200384U - Outdoor weather-proof water-blocking flame-retardant cable

Info

Publication number: CN210200384U
Application number: CN201921353145.4U
Authority: CN
Inventors: Xianli Zheng; 郑鲜莉; Yaowei Zhang; 张姚伟; Peigen Yao; 姚佩根; Fuxiang Gu; 顾富祥
Original assignee: Zhejiang Hai Yan Electronic Cable Co Ltd
Current assignee: Zhejiang Hai Yan Electronic Cable Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-03-27
Anticipated expiration: 2029-08-20

Abstract

The utility model provides an outdoor weather-proof water-blocking flame-retardant cable, which comprises a flame-retardant insulating core wire, an ointment filling layer, a water-blocking tape, a first sheath layer and a second sheath layer, wherein the flame-retardant insulating core wire is sequentially coated with the ointment filling layer, the water-blocking tape, the first sheath layer and the second sheath layer after being twisted into a beam, the water-blocking tape is an aluminum-plastic composite tape, and the first sheath layer is a PE sheath layer; the flame-retardant insulating core wire comprises a conductor, a flame-retardant layer and an insulating layer, wherein the conductor is formed by twisting a plurality of superfine copper wires, the outer side of the conductor is sequentially coated with the flame-retardant layer and the insulating layer, the flame-retardant layer is a mica flame-retardant layer, and the insulating layer is a PVC insulating layer. The utility model discloses the cable block water, fire-retardant and resistant time performance is good, is difficult for being damaged, can satisfy outdoor cable needs among the actual life.

Description

Outdoor weather-proof water-blocking flame-retardant cable

Technical Field

The utility model relates to a cable field, concretely relates to outdoor resistant flame retarded cable that blocks water that waits.

Background

A cable is a cable that transmits telephone, telegraph, facsimile documents, television and radio programs, data and other electrical signals. Is formed by twisting more than one pair of mutually insulated wires. Due to the influence of weather, the use of cables is continuously influenced by various factors such as outdoor high temperature, weather, humid seasons and the like, and most of cables hardly meet the weather-resistant, water-resistant and flame-retardant characteristics, most of outdoor cables are burnt or partially damaged when meeting the conditions of high temperature or long-time soaking in water, so that the communication of the cables is interrupted, the damaged cables are troublesome to repair, and normal life and work are influenced due to the damage of the cables.

Based on the above situation, the utility model provides an outdoor resistant flame retarded cable that blocks water that waits can effectively solve above problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an outdoor resistant flame retarded cable that blocks water that waits. The cable of the utility model is provided with the flame-retardant protective layer and the water-blocking protective layer, which can effectively protect the cable from being burnt out and being soaked by water; the outermost layer of the cable is also provided with a PE sheath layer which is weather-proof and moisture-proof; therefore, the service life of the cable is prolonged, and normal life and work of people are guaranteed.

The utility model discloses a following technical scheme realizes: the cable comprises a flame-retardant insulating core wire, an ointment filling layer, a water blocking tape, a first sheath layer and a second sheath layer, wherein the flame-retardant insulating core wire is twisted into a beam and sequentially coated with the ointment filling layer, the water blocking tape, the first sheath layer and the second sheath layer on the outer side, the water blocking tape is an aluminum-plastic composite tape, and the first sheath layer is a PE sheath layer;

the flame-retardant insulating core wire comprises a conductor, a flame-retardant layer and an insulating layer, wherein the conductor is formed by twisting a plurality of superfine copper wires, the outer side of the conductor is sequentially coated with the flame-retardant layer and the insulating layer, the flame-retardant layer is a mica flame-retardant layer, and the insulating layer is a PVC insulating layer.

The utility model discloses a cable mainly is provided with mica flame retardant coating, oleamen filling layer, plastic-aluminum composite belt and PE restrictive coating. Wherein the mica fire-resistant layer can resist high temperature up to 800 ℃, and can effectively achieve the purpose of flame retardance; the ointment filling layer can effectively achieve the purposes of water resistance and moisture resistance; wherein the aluminum-plastic composite belt plays a waterproof role; wherein the PE sheath layer can achieve the purpose of weather resistance and moisture resistance.

Preferably, the flame-retardant insulating core wire is provided with four wires.

Preferably, the four flame-retardant insulated core wires are twisted with each other to form a twisted wire pair.

The utility model discloses a mode that four fire-retardant insulating heart yearns adopted the transposition can improve cable bending property and tensile strength to can reduce the cable size, make the cable more round and more complete, the outward appearance is more beautiful.

Preferably, the second sheath layer is a low-smoke halogen-free polyolefin sheath layer.

The utility model discloses a cable is provided with low smoke and zero halogen polyolefin restrictive coating, can effectively prevent the damage of the fire source of cable outside to it to can effectively protect the cable.

Preferably, the thickness of the mica fireproof layer represented by the flame-retardant layer is 3-5 mm.

The utility model discloses a thickness of mica flame retardant coating sets up to 3~5mm, both can reach fire-retardant fire prevention's purpose, and the material of the mica flame retardant coating of not wasting again used not only the energy saving can reach the anticipated effect of product again.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model has the advantages that the cable is provided with the mica fire-resistant layer and the low-smoke halogen-free polyolefin sheath layer, has good fire-resistant effect and is not easy to cause fire; the cable is also provided with an ointment filling layer and an aluminum-plastic composite belt double-layer water-blocking structure, so that the water-blocking effect is good, the cable is effectively protected, and water cannot enter the cable; the cable is also provided with a PE sheath layer, so that the weather-proof and moisture-proof effects are good; therefore, the utility model discloses a cable has multiple safeguard function, is difficult for being damaged, can satisfy outdoor cable needs among the actual life.

Drawings

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

fig. 2 is the structure schematic diagram of the water-blocking flame-retardant core wire of the utility model.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of illustrating the present embodiments, certain portions of the drawings may be enlarged or reduced and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1 to 2, an outdoor weather-resistant water-blocking flame-retardant cable comprises a flame-retardant insulating core wire 1, an ointment filling layer 2, a water-blocking tape 3, a first sheath layer 4 and a second sheath layer 5, wherein the flame-retardant insulating core wire 1 is twisted into a bundle and sequentially coated with the ointment filling layer 2, the water-blocking tape 3, the first sheath layer 4 and the second sheath layer 5 on the outer side, the water-blocking tape 2 is an aluminum-plastic composite tape, and the first sheath layer 4 is a PE sheath layer;

the flame-retardant insulating core wire 1 comprises a conductor 11, a flame-retardant layer 12 and an insulating layer 13, wherein the conductor 11 is formed by twisting a plurality of superfine copper wires, the outer side of the conductor 11 is sequentially coated with the flame-retardant layer 12 and the insulating layer 13, the flame-retardant layer 12 is a mica flame-retardant layer, and the insulating layer 13 is a PVC insulating layer.

The cable of the utility model is provided with the flame-retardant protective layer and the water-blocking protective layer, which can effectively protect the cable from being burnt out and being soaked by water; the outermost layer of the cable is also provided with a PE sheath layer which is weather-proof and moisture-proof; therefore, the service life of the cable is prolonged, and normal life and work of people are guaranteed; further, the utility model discloses a cable still is provided with mica flame retardant coating, oleamen filling layer, compound area of plastic-aluminum and PE restrictive coating. Wherein the mica fire-resistant layer can resist high temperature up to 800 ℃, and can effectively achieve the purpose of flame retardance; the ointment filling layer can effectively achieve the purposes of water resistance and moisture resistance; wherein the aluminum-plastic composite belt plays a waterproof role; wherein the PE sheath layer can achieve the purpose of weather resistance and moisture resistance.

The flame-retardant insulating core wire 1 is provided with four wires.

The four flame-retardant insulated core wires 1 are mutually twisted to form a twisted wire pair.

The second sheath layer 5 is a low-smoke halogen-free polyolefin sheath layer.

The mica fireproof layer represented by the flame-retardant layer 12 is 3-5 mm thick.

The foregoing is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.

Claims

1. The utility model provides an outdoor resistant fire-retardant cable that blocks water which waits which characterized in that: the cable comprises a flame-retardant insulating core wire (1), an ointment filling layer (2), a water blocking tape (3), a first sheath layer (4) and a second sheath layer (5), wherein the flame-retardant insulating core wire (1) is twisted into a bundle and sequentially coated with the ointment filling layer (2), the water blocking tape (3), the first sheath layer (4) and the second sheath layer (5) on the outer side, the water blocking tape (3) is an aluminum-plastic composite tape, and the first sheath layer (4) is a PE sheath layer;

the flame-retardant insulating core wire (1) comprises a conductor (11), a flame-retardant layer (12) and an insulating layer (13), wherein the conductor (11) is formed by twisting a plurality of superfine copper wires, the outer side of the conductor (11) is sequentially coated with the flame-retardant layer (12) and the insulating layer (13), the flame-retardant layer (12) is a mica flame-retardant layer, and the insulating layer (13) is a PVC insulating layer.

2. An outdoor weather-resistant water-blocking flame-retardant cable according to claim 1, characterized in that: the flame-retardant insulating core wire (1) is provided with four wires.

3. An outdoor weather-resistant water-blocking flame-retardant cable according to claim 2, characterized in that: the four flame-retardant insulating core wires (1) are mutually twisted to form a twisted wire pair.

4. An outdoor weather-resistant water-blocking flame-retardant cable according to claim 1, characterized in that: the second sheath layer (5) is a low-smoke halogen-free polyolefin sheath layer.

5. An outdoor weather-resistant water-blocking flame-retardant cable according to claim 1, characterized in that: the mica fireproof layer represented by the flame-retardant layer (12) is 3-5 mm thick.