CN208767048U - Stranded conductor insulation cable - Google Patents

Abstract

The utility model discloses a kind of stranded conductor insulation cables, including stranded conductor and insulating layer, it further include the film band for being coated on the outside of the stranded conductor and contacting with the stranded conductor setting, the insulating layer extrusion forming contacts setting on the outside of the film band and with the film band.Film band is between stranded conductor and insulating layer, insulating layer is during extrusion forming, film band can effectively prevent the material of flow-like from entering in the gap of stranded conductor, when removing two external films band and insulating layer, since film band is in the solid state around stranded conductor outside, so adhesion will not occur with conductor in film band, and then facilitate disengaging, and after being detached from, the gap and surface of stranded conductor will not remain insulating layer and film band.In conclusion the stranded conductor insulation cable, which can efficiently solve stranded conductor outer insulation, is detached from inconvenient problem.

Description

Stranded conductor insulation cable

Technical field

The utility model relates to technical field of cables, more specifically to a kind of stranded conductor insulation cable.

Background technique

Present cross-linking type insulating ground cable insulation is directly coated on metallic conductor, and process conductive surface has rule There are gaps between convex-concave and monofilament, when leading to insulation displacement, since the viscosity of insulating materials can be in conductive surface or gap In have Local residues, on cable subsequent fitting connection cause poor contact influence electric property.To ensure that it is individually right that quality needs Conductor is handled, and constructional difficulties or inconvenience are caused.Based on talcum bisque is arranged between insulating layer and conductor, realizes and peel off absolutely Talcum powder falls off after edge layer, realizes conductor and insulated separation；

Easy-strip cable mainly realizes conductor and insulated separation, achievees the purpose that facilitate construction.But it cannot be to environment and people Member impacts.Using talcum powder as separating layer, work progress is easy to fly upward after insulation peels off, and pollutes environment.And It is likely to enter in construction personnel's eyes, makes troubles to construction personnel and construction.In addition in process of production, talcum powder enters It will cause cable insulation quality decline in insulating layer.

In conclusion how to efficiently solve stranded conductor outer insulation is detached from inconvenient problem, it is current ability Field technique personnel's urgent problem.

Utility model content

In view of this, the purpose of this utility model is to provide a kind of stranded conductor insulation cable, stranded conductor insulation Cable can efficiently solve stranded conductor outer insulation and be detached from inconvenient problem.

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

A kind of stranded conductor insulation cable, including stranded conductor and insulating layer further include being coated on outside the stranded conductor Side simultaneously contacted with the stranded conductor setting film band, the insulating layer extrusion forming on the outside of the film band and with it is described The contact setting of film band.

According to above-mentioned technical solution it is recognised that film band is between stranded conductor and insulating layer, i.e., insulating layer is tight It is close to be fitted on film band, and be in close contact with film band, while insulating layer, during extrusion forming, film band can be effective The material that ground resistance stops flow-like enters in the connector slots of stranded conductor, simultaneously as film band is fitted tightly over stranded conductor Outside after extrusion forming, is not in movable gap, internal appearance can be effectively avoided in insulating layer on the outside of film band It loosens.And removing two external films band and when insulating layer, since film band is in the solid state on the outside of stranded conductor, So adhesion will not occur with conductor in film band, and then facilitate disengaging, and after disengaging, the gap and surface of stranded conductor will not Remain insulating layer and film band.In conclusion the stranded conductor insulation cable can efficiently solve on the outside of stranded conductor Insulating layer is detached from inconvenient problem.

Preferably, the film band is insulation material layer, and the film is with longitudinal wrap or on the outside of the stranded conductor.

Preferably, the thickness of the film band is lower than 0.15 millimeter.

Preferably, the stranded conductor is the conductor structure being twisted by more copper conductors.

Preferably, pass through crosslinking process adhesion between the film band and the insulating layer.

Preferably, the film band is insulating tape and uses identical material bodies with the insulating layer.

Preferably, the film band and the insulating layer are the colour bodies of different colours.

Preferably, the insulating layer includes that the main body of mark insulating layer and extrusion forming on the outside of the mark insulating layer is exhausted Edge layer, the mark insulating layer and the main body insulating layer are the different insulator of color.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the cross-sectional structure schematic diagram of stranded conductor insulation cable provided by the embodiment of the utility model.

It is marked in attached drawing as follows:

Stranded conductor 1, mark insulating layer 2, main body insulating layer 3, film band 4, restrictive coating 5.

Specific embodiment

The utility model embodiment discloses a kind of stranded conductor insulation cable, to efficiently solve on the outside of stranded conductor absolutely Edge layer is detached from inconvenient problem.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the cross-sectional structure that Fig. 1 is stranded conductor insulation cable provided by the embodiment of the utility model is illustrated Figure.

In a specific embodiment, a kind of stranded conductor insulation cable is present embodiments provided, is led specifically, this is twisted Body insulation cable includes stranded conductor 1, insulating layer and film band 4.

Wherein stranded conductor 1 refers to the conductor for being used for transmission electric power or electric signal, generally metallic conductor, generally answers When the conductor structure to be twisted by more metallic conductors, wherein metallic conductor preferably uses copper conductor.For list therein For a metallic conductor, cross section is generally rounded, can also be other Common Shapes certainly, it might even be possible to be abnormity.And it is each Stranded mode between a conductor, have it is a variety of, specific stranded mode can refer to the prior art, can according to need progress Selection, generally using regular twisted and twisted using regular concentric type single line, and direction of lay can be S to, i.e. left-hand, It can be Z-direction, i.e. dextrad.

Wherein film band 4 is coated on 1 outside of stranded conductor, and the contact with stranded conductor 1 is arranged, and wherein insulating layer squeezes It is molded to contact setting in film outside and with film band 4.

Wherein insulating layer extrusion forming is different from crowded pipe and forms, and under extrusion forming state, extrusion molding head only has merely on outer side Die hole is formed, this molding mode, the inside for being conducive to insulating layer is bonded with compact internal structure or even mild adhesion.Specifically How film band 4 outside extrusion forming insulating layer, the prior art can be referred to.Details are not described herein.It generally can also be Restrictive coating 5 is squeezed on the outside of insulating layer.

Wherein film band 4 is coated on 1 outside of stranded conductor and contacts with stranded conductor 1, refers to and twists in stranded conductor 1 After synthesis type, film band 4 is closely coated on the outside of stranded conductor 1 with longitudinal wrap or wrapped form, and stranded conductor 1 with it is thin No longer there is other structures block film band 4 to contact with stranded conductor 1 between film strips 4.Wherein film band 4 has around packet mode It is a variety of, specifically can with reference to prior art strap-like objects in cable around packet mode.It is emphasized that film band herein 4 are coated on the outside of stranded conductor 1, should meet following technical requirements, should closely be coated, with more preferable along the longitudinal direction Prevention fluid bodies the inside of film band 4 is flow to from the outside of film band 4.

In the present embodiment, film band 4 is between stranded conductor 1 and insulating layer, though insulating layer be fitted tightly over it is thin In film strips 4, and it is in close contact with film band 4, while insulating layer, during extrusion forming, film band 4 can be prevented effectively The material of flow-like enters in the connector slots of stranded conductor 1, simultaneously as film band 4 is fitted tightly over outside stranded conductor 1 Side is not in movable gap, internal appearance can be effectively avoided in insulating layer after 4 outside extrusion forming of film band It loosens.And removing two external films band 4 and when insulating layer, since film band 4 is in the solid state outside stranded conductor 1 Side so adhesion will not occur with conductor in film band 4, and then facilitates disengaging, and after disengaging, the gap of stranded conductor 1 and table Face will not remain insulating layer and film band 4.In conclusion 1 insulation cable of stranded conductor can efficiently solve it is twisted 1 outer insulation of conductor is detached from inconvenient problem.

As described above, the main function of film band 4 is, in insulating layer extrusion forming, prevent the material of flow-like into Enter into film band 4, so film band 4 functions only as the effect of isolation.In conclusion the thickness of the film band 4 is preferably little In 0.15 millimeter.Wherein film band 4 is preferably insulation material layer, longitudinal wrap or around the outside of stranded conductor 1.Specifically, it is preferred that Film band 4 and insulating layer are identical material bodies, so that two kinds of material properties are identical.

Wherein film band 4 can be the band body that crosslinking becomes thermosetting material when wrapped.But since film band 4 mentions Preceding crosslinking becomes thermosetting material and the insulating layer thermoplastic materials of rear extrusion forming are tied by material adhesion (physical adhesion) It closes, due to bending in subsequent use process, may cause lamination.Based on this, it is preferred to use cross-linked thermoplastic material Film band 4 is coated on stranded conductor 1 using longitudinal wrap or around-packing technology under clean environment as film band 4 by manufactured film Outside, after insulating layer extrusion forming, by crosslinking process, the material of the material and insulating layer that make film band 4 is thermosetting Property material, and make to form adhesion between film band 4 and insulating layer.Molecule internal bond and physical adhesion are formed at this time, it can It is effectively prevented from and is layered.

Further, when cutting insulating layer, if the strength being pierced into is bigger, depth is bigger, will cause puncture at this time Insulating tape, and then stranded conductor 1 is caused to damage, later period electrical conduction is influenced, this is based on, herein preferred film band 4 and insulation Layer is the colour bodies of different colours, with when puncturing insulating layer and touching film band 4, the heterochromatic of film band 4 plays the role of expression. Can also be makes insulating layer include mark insulating layer 2 and main body insulating layer 3, and wherein 3 extrusion forming of main body insulating layer is exhausted in mark The outside of edge layer 2, and main body insulating layer 3 and mark insulating layer 2 are the different insulator of color, to pass through the heterochromatic work for playing mark With.Using mark insulating layer 2, can be effectively avoided as mark compared to using conventional colored indicator band in layer structure Because of conventional colored band local crowning, and cause the outside non-uniform phenomenon of stratiform structural thickness.Each implementation in this specification Example is described in a progressive manner, and each embodiment focuses on the differences from other embodiments, each implementation Same and similar part may refer to each other between example.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (8)

1. a kind of stranded conductor insulation cable, including stranded conductor (1) and insulating layer, which is characterized in that further include being coated on institute The film band (4) that setting is contacted on the outside of stranded conductor (1) and with the stranded conductor (1) is stated, the insulating layer extrusion forming exists Setting is contacted on the outside of the film band (4) and with the film band (4).

2. stranded conductor insulation cable according to claim 1, which is characterized in that the film band (4) is insulating materials Layer, film band (4) longitudinal wrap or on the outside of the stranded conductor (1).

3. stranded conductor insulation cable according to claim 2, which is characterized in that the thickness of the film band (4) is lower than 0.15 millimeter.

4. stranded conductor insulation cable according to claim 3, which is characterized in that the stranded conductor (1) is by more The conductor structure that copper conductor is twisted.

5. stranded conductor insulation cable according to claim 1, which is characterized in that the film band (4) and the insulation Pass through crosslinking process adhesion between layer.

6. stranded conductor insulation cable according to claim 1, which is characterized in that the film band (4) be insulating tape and Identical material bodies are used with the insulating layer.

7. stranded conductor insulation cable according to claim 1-5, which is characterized in that the film band (4) with The insulating layer is the colour bodies of different colours.

8. stranded conductor insulation cable according to claim 1-6, which is characterized in that the insulating layer includes mark Know the main body insulating layer (3) of insulating layer (2) and extrusion forming on the outside of mark insulating layer (2), the mark insulating layer (2) It is the different insulator of color with the main body insulating layer (3).