CN219163037U

CN219163037U - Insulating cable with multilayer leakage protection

Info

Publication number: CN219163037U
Application number: CN202320065291.7U
Authority: CN
Inventors: 余早贵; 马建强
Original assignee: Zhejiang Yongming Zhongce Technology Co ltd
Current assignee: Zhejiang Yongming Zhongce Technology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-06-09
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a multi-layer leakage-proof protection insulated cable, which comprises a cable skeleton and conductor cores uniformly arranged around the cable skeleton, wherein the outer wall of each conductor core is wrapped with a third insulating layer, the outer part of each third insulating layer is wrapped with a shielding layer, the outer part of each shielding layer is wrapped with a second insulating layer, the cable skeleton and the conductor cores form a main body of the cable, the main body of the cable is wrapped with an inner wrapping layer, the inner wrapping layer is filled with a filling layer, the main body of the cable is protected through the filling layer, the outer part of the inner wrapping layer is wrapped with a first insulating layer, the first insulating layer is wrapped with a fire-resistant layer, the outer of each fire-resistant layer is wrapped with an armor layer, and the armor layer is wrapped with an outer protecting layer. According to the utility model, through the first insulating layer, the second insulating layer and the third insulating layer, the multi-layer leakage protection of the cable is realized, not only can the insulation treatment be carried out on each conductor core of the cable, but also the insulation treatment between the inside and the outside of the cable can be realized, and the safety of the cable is effectively improved.

Description

Insulating cable with multilayer leakage protection

Technical Field

The utility model relates to a cable, in particular to a multi-layer leakage-proof protective insulated cable.

Background

The wire and cable are used to transmit electrical (magnetic) energy, information and wire products for electromagnetic energy conversion. The broad sense of electric wire and cable is also simply referred to as cable, and the narrow sense of cable is referred to as insulated cable, which can be defined as: an aggregate consisting of; one or more insulated cores, and the respective coatings, total protective layers and outer protective layers that they may have, may also have additional uninsulated conductors.

In actual use, the insulation layer is generally wrapped outside the aggregate, and each wire core in the aggregate is wrapped only by a simple rubber sleeve, so that the rubber sleeve is easy to damage along with continuous aggravation and bending of use, thereby influencing the use safety of the insulation cable.

Disclosure of Invention

The utility model aims to provide a multi-layer leakage-proof protection insulated cable, which solves the problems encountered in actual use.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an insulating cable of multilayer leak protection, includes cable skeleton and the conductor core that evenly sets up around cable skeleton, the parcel has on the outer wall of conductor core the third insulating layer, the outside parcel of third insulating layer has the shielding layer, the outside parcel of shielding layer has the second insulating layer, cable skeleton and conductor core constitute the main part of cable, the main part of cable is wrapped up in the inner wrapping layer outward, it has the filling layer to fill in the inner wrapping layer, protect the main part of cable through the filling layer, the outside parcel of inner wrapping layer has first insulating layer, the outer parcel flame retardant coating of first insulating layer, the outer parcel armor of flame retardant coating, the outer parcel of armor has outer protective layer.

Preferably: a plurality of trunking has evenly been seted up on the outer wall of cable skeleton, and the conductor core sets up on the outer wall of cable skeleton along the trunking.

Preferably: deformation holes are formed in the cable framework.

Preferably: the outer protective layer, the inner cladding layer, the first insulating layer, the second insulating layer and the third insulating layer are all made of crosslinked polyethylene.

Preferably: the second insulating layer 11 is an insulating tensile layer, and is made of polyphenylene oxide.

Preferably: the cable skeleton is made of natural rubber.

Preferably: the armor layer is made of galvanized steel wire gauze.

Preferably: the refractory layer is made of a low smoke halogen-free polyolefin material.

Preferably: the filling layer is made of quartz cotton.

Preferably: the shielding layer is made of tinned copper mesh.

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

according to the utility model, through the first insulating layer, the second insulating layer and the third insulating layer, the multi-layer leakage protection of the cable is realized, not only can the insulation treatment be carried out on each conductor core of the cable, but also the insulation treatment between the inside and the outside of the cable can be realized, and the safety of the cable is effectively improved.

Drawings

Fig. 1 is a schematic structural view of a multi-layer leak-proof insulated cable.

Fig. 2 is a schematic structural view of a cable skeleton in a multi-layer leak-proof protection insulated cable.

Fig. 3 is a schematic view of the structure of a conductor core in a multi-layer leak-proof insulated cable.

As shown in the figure: 1. an outer protective layer; 2. an armor layer; 3. a refractory layer; 4. a first insulating layer; 5. an inner cladding; 6. a filling layer; 7. a conductor core; 8. a cable skeleton; 9. a wire slot; 10. a deformation hole; 11. a second insulating layer; 12. a shielding layer; 13. and a third insulating layer.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1 to 3, in an embodiment of the present utility model, a multi-layer leakage-proof insulated cable includes a cable skeleton 8 and a conductor core 7 uniformly disposed around the cable skeleton 8, the outer wall of the conductor core 7 is wrapped with a third insulation layer 13, the outer part of the third insulation layer 13 is wrapped with a shielding layer 12, the outer part of the shielding layer 12 is wrapped with a second insulation layer 11, the cable skeleton 8 and the conductor core 7 form a main body of the cable, the main body of the cable is wrapped with an inner cladding 5, the inner cladding 5 is filled with a filling layer 6, the main body of the cable is protected by the filling layer 6, the outer part of the inner cladding 5 is wrapped with a first insulation layer 4, the first insulation layer 4 is wrapped with a fire-resistant layer 3, the outer of the fire-resistant layer 3 is wrapped with an armor layer 2, and the armor layer 2 is wrapped with an outer protection layer 1.

The utility model realizes the multi-layer leakage protection of the cable through the first insulating layer 4, the second insulating layer 11 and the third insulating layer 13, not only can perform insulating treatment on each conductor core of the cable, but also can realize insulating treatment between the inside and the outside of the cable, and effectively improves the safety of the cable.

A plurality of wire slots 9 are uniformly formed in the outer wall of the cable skeleton 8, and the conductor cores 7 are arranged on the outer wall of the cable skeleton 8 along the wire slots 9.

Deformation hole 10 has been seted up to the inside of cable skeleton 8, through the deformation hole 10 of seting up, when the cable received the extrusion, can exist certain elastic deformation space to improve the compressive property of cable.

The outer protective layer 1, the inner cladding 5, the first insulating layer 4 and the third insulating layer 13 are all made of crosslinked polyethylene.

The second insulating layer 11 is an insulating tensile layer, and is made of polyphenylene oxide.

The cable skeleton 8 is made of natural rubber.

The armor layer 2 is made of galvanized steel wire mesh.

The refractory layer 3 is made of a low smoke halogen-free polyolefin material.

The filling layer 6 is made of quartz cotton.

The shielding layer 12 is made of a tinned copper mesh.

Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an insulating cable of multilayer leak protection, includes cable skeleton (8) and evenly sets up conductor core (7) around cable skeleton (8), a serial communication port, the parcel has third insulating layer (13) on the outer wall of conductor core (7), the outside parcel of third insulating layer (13) has shielding layer (12), the outside parcel of shielding layer (12) has second insulating layer (11), cable skeleton (8) and conductor core (7) constitute the main part of cable, the main part of cable is wrapped up in and is had inner wrapping layer (5), it has filling layer (6) to fill in inner wrapping layer (5), protect the main part of cable through filling layer (6), the outside parcel of inner wrapping layer (5) has first insulating layer (4), the outside parcel refractory layer (3) of first insulating layer (4), outside parcel armor (2) of refractory layer (3), armor (2) have outer protective layer (1).

2. The multi-layer leakage-proof insulated cable according to claim 1, wherein a plurality of trunking (9) are uniformly provided on the outer wall of the cable skeleton (8), and the conductor core (7) is provided on the outer wall of the cable skeleton (8) along the trunking (9).

3. The insulated cable of claim 1, wherein the cable skeleton (8) is internally provided with deformation holes (10).

4. The multi-layer leakproof protective insulated cable according to claim 1, characterized in that the second insulating layer (11) is an insulating tensile layer made of polyphenylene ether.