CN215815256U

CN215815256U - Anti-interference cable

Info

Publication number: CN215815256U
Application number: CN202121712185.0U
Authority: CN
Inventors: 杨静卫
Original assignee: Shanghai Guguan Intelligent Technology Co ltd
Current assignee: Shanghai Guguan Intelligent Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-11
Anticipated expiration: 2031-07-27

Abstract

The utility model relates to the technical field of cables, in particular to an anti-interference cable which comprises a sheath, wherein a flame-retardant layer is fixedly connected to the inner surface of the sheath, a buffer area is arranged inside the flame-retardant layer, an anti-interference layer is arranged inside the buffer area, an insulating layer is fixedly connected to the inner surface of the anti-interference layer, and a wire core is arranged inside the insulating layer. The utility model has the advantages that: set up the anti-interference layer, avoid the cable to receive the influence of external magnetic field or other signals at the during operation, make cable during operation transmission effect more stable high-efficient, the fire-retardant layer that the nylon material was woven can be high temperature resistant, can avoid taking place the burning or the spontaneous combustion by high temperature effect back cable, and nylon material toughness is good, can prevent the puncture and the cutting of sharp object, through setting up the buffer, make the whole better toughness that has of cable, the strengthening rib can prevent that the cable from protecting the shape of sinle silk when receiving exogenic action, prevent that the cable from warping or buckling and lead to the rupture.

Description

Anti-interference cable

Technical Field

The utility model relates to the technical field of cables, in particular to an anti-interference cable.

Background

The cable is a general name of articles such as optical cables, electric cables and the like, has a plurality of purposes, is mainly used for controlling installation, connecting equipment, transmitting electric power, transmitting signals and the like, consists of single-stranded or multi-stranded wires and insulating layers, is used for connecting circuits, electric appliances and the like, is a common and indispensable important facility in daily life, is easily interfered by other electric signals or magnetic fields to influence the transmission effect when being used in certain specific scenes such as hospitals, machine rooms or areas with strong magnetic fields, has no reinforcing structure in the prior art, is easily deformed by external force to influence the transmission effect when being used in certain scenes, and can cause the rupture of an outer skin or even the rupture of the cable and the dangerous situations such as electric leakage and the like when being serious.

In view of the above problems, the present invention provides an anti-interference cable, which can perfectly solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an anti-interference cable.

The purpose of the utility model is realized by the following technical scheme: the utility model provides an anti-interference cable, includes the crust, the fire-retardant layer of internal surface fixedly connected with of crust, the inside on fire-retardant layer is equipped with the buffer, the inside of buffer is equipped with anti-interference layer, the internal surface fixedly connected with insulating layer on anti-interference layer, the inside of insulating layer is equipped with the sinle silk.

Optionally, the outer skin is made of rubber, and the inner surface of the outer skin is tangent to the outer surface of the flame-retardant layer. Optionally, the flame-retardant layer is made of flame-retardant nylon and is of an annular structure formed by weaving flame-retardant nylon yarns.

Optionally, the buffer area includes a sleeve, four reinforcing ribs are arranged inside the sleeve, and the four reinforcing ribs are annularly arranged inside the sleeve in an array.

Optionally, the sleeve is a PVC pipe, the reinforcing rib is made of steel wire, and the outer diameter is the same as the inner diameter.

Optionally, the anti-interference layer is of an aluminum thin film structure, and the inner surface of the anti-interference layer is tangent to the outer surface of the insulating layer.

Optionally, the insulating layer is made of PVC.

Optionally, the material of sinle silk is copper wire, and four the inner chamber at the insulating layer is placed to sinle silk parallel to each other.

The utility model has the following advantages:

1. through setting up anti-interference layer, avoid the cable to receive the influence of external magnetic field or other signals at the during operation, make the cable transmission effect more stable high-efficient under special environment during operation, guarantee that the cable normally works.

2. The fire-retardant layer that the nylon material was woven can be high temperature resistant, can avoid taking place the burning or the spontaneous combustion by the cable behind the high temperature effect, and nylon material toughness is good moreover, can prevent puncture and the cutting of sharp object, provides better protection for the refill.

3. Through setting up the buffer, make the cable whole have better toughness, the strengthening rib that sets up in the buffer can prevent that the cable from protecting the shape of sinle silk when receiving exogenic action, prevents that the cable from warping or buckling and lead to the rupture.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic view of the structure of the flame retardant layer of the present invention.

In the figure: 1-outer skin, 2-flame retardant layer, 3-buffer zone, 4-anti-interference layer, 5-insulating layer, 6-wire core, 301-sleeve and 302-reinforcing rib.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1-2, an anti-interference cable comprises a sheath 1, wherein an anti-flame layer 2 is fixedly connected to the inner surface of the sheath 1, a buffer area 3 is arranged inside the anti-flame layer 2, an anti-interference layer 4 is arranged inside the buffer area 3, an insulating layer 5 is fixedly connected to the inner surface of the anti-interference layer 4, and a wire core 6 is arranged inside the insulating layer 5.

As a preferred technical scheme of the utility model: the sheath 1 is the rubber material, and the internal surface of sheath 1 is tangent with the surface of fire-retardant layer 2, and rubber is very good insulator material, can guarantee not electric leakage during electric wire transmission, and the second, rubber is corrosion-resistant, can protect the electric wire, and the third, rubber is with low costs, is fit for large-scale production.

As a preferred technical scheme of the utility model: the flame-retardant layer 2 is a nylon woven annular net structure, has high mechanical strength, good toughness and higher tensile strength and compressive strength, the specific tensile strength is higher than that of metal, the specific compressive strength is comparable to that of metal, but the rigidity is lower than that of metal, the tensile strength is close to yield strength, the tensile strength is more than one time higher than that of ABS, the absorption capacity to impact and stress vibration is strong, the impact strength is much higher than that of common plastics and is superior to acetal resin, the cable can be prevented from burning or spontaneous combustion after being acted by high temperature, the nylon material has good toughness, the puncture and cutting of sharp objects can be prevented, and better protection is provided for the wire core.

As a preferred technical scheme of the utility model: buffer 3 comprises sleeve 301 and strengthening rib 302 of PVC material, and four strengthening ribs 302 are the steel structure, and the placing that is parallel to each other is in sleeve 301's inside, and the model of steel wire is chooseed for use to strengthening rib 302, and according to sinle silk 6's model size decision in this cable, sinle silk 6's diameter is big more, and the diameter of the strengthening rib 302 of chooseing for use is big more, vice versa, the intensity of steel wire is high, the dead weight is light, steady operation, difficult abrupt whole break, the reliable operation.

As a preferred technical scheme of the utility model: anti-interference layer 4 is aluminium system film construction, and the internal surface of anti-interference layer 4 is tangent with insulating layer 5's surface, the aluminium foil can shield electromagnetic signal that because they have constituted confined shielding room with metal on every side, the aluminium foil constitutes continuous electrically conductive with the metal, generally will carry the conducting resin on the back, under the normal condition, the aluminium foil of taking the conducting resin can reach more than 90dB, consequently increase the anti-interference layer 4 of aluminium foil material in this cable, can constitute a shielding room to the inner chamber of 4, consequently, be located 4 inside 5, and four 6, be in among 4's parcel, and then prevent external electromagnetic signal to 6 interference, finally can increase 6 interference killing feature in transmission process.

As a preferred technical scheme of the utility model: insulating layer 5 is the PVC material, the mechanical properties of PVC material, the electrical property is good, acid and alkali resistance is extremely strong, chemical stability is good, but the softening point is low, be suitable for the preparation sheet metal, the wire and cable insulating layer, the sealing member etc., increase the insulating layer 5 of PVC material in this cable, can be complete wrap up 6 sinle silks in the inner chamber, under the prerequisite that does not influence the normal transmission effect of sinle silks 6, provide better protection and with outside isolated to sinle silks 6 itself, and because PVC material insulating properties is strong, insulating layer 5 can effectively prevent the streaming of electric current, prevent the electric leakage.

As a preferred technical scheme of the utility model: the four wire cores 6 are all copper wires and are arranged in parallel, the copper has good electrical conductivity, is widely used for manufacturing electric wires, cables, electric brushes and the like, has good thermal conductivity, is commonly used for manufacturing magnetic instruments and meters needing anti-magnetic interference, such as compasses, aviation instruments and the like, and can effectively prevent the interference of factors such as external magnetic fields and the like.

In summary, the following steps: through setting up anti-interference layer 4, avoid the cable to receive the influence of external magnetic field or other signals at the during operation, make the cable during operation transmission effect more stable high-efficient under special environment, guarantee the normal work of cable, fire-retardant layer 2 that the nylon material was woven can be high temperature resistant, can avoid taking place burning or spontaneous combustion behind the high temperature effect cable, and nylon material toughness is good, can prevent the puncture and the cutting of sharp object, provide better protection for the sinle silk, through setting up buffer 3, make the cable wholly have better toughness, the strengthening rib 302 that sets up in buffer 3 can prevent that the cable from protecting sinle silk 6's shape when receiving exogenic action, prevent that the cable from warping or buckling and leading to the rupture.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An interference resistant cable, comprising: including crust (1), the interior fixed surface of crust (1) is connected with fire-retardant layer (2), the inside on fire-retardant layer (2) is equipped with buffer (3), the inside of buffer (3) is equipped with anti-interference layer (4), the interior fixed surface of anti-interference layer (4) is connected with insulating layer (5), the inside of insulating layer (5) is equipped with sinle silk (6).

2. The tamper resistant cable of claim 1, wherein: the outer skin (1) is made of rubber, and the inner surface of the outer skin (1) is tangent to the outer surface of the flame-retardant layer (2).

3. The tamper resistant cable of claim 1, wherein: the material of fire-retardant layer (2) is fire-retardant nylon, fire-retardant layer (2) are fire-retardant nylon wire and weave the cyclic structure who forms.

4. The tamper resistant cable of claim 1, wherein: the buffer area (3) comprises a sleeve (301), four reinforcing ribs (302) are arranged inside the sleeve (301), and the four reinforcing ribs (302) are arranged inside the sleeve (301) in an annular array.

5. The tamper resistant cable of claim 4, wherein: the sleeve (301) is a PVC pipe, the reinforcing ribs (302) are made of steel wires, and the outer diameter of the sleeve (301) is the same as the inner diameter of the flame-retardant layer (2).

6. The tamper resistant cable of claim 1, wherein: the anti-interference layer (4) is of an aluminum thin film structure, and the inner surface of the anti-interference layer (4) is tangent to the outer surface of the insulating layer (5).

7. The tamper resistant cable of claim 1, wherein: the insulating layer (5) is made of PVC.

8. The tamper resistant cable of claim 1, wherein: the four wire cores (6) are all made of copper wires and are arranged in the inner cavity of the insulating layer (5) in parallel.