CN211788274U

CN211788274U - High-strength flat cable

Info

Publication number: CN211788274U
Application number: CN202020468989.XU
Authority: CN
Inventors: 杨坤萍
Original assignee: Shenyang Cable Group Co ltd
Current assignee: Shenyang Cable Group Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-10-27
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a high strength flat cable, including the cable core, protection frame and inoxidizing coating, the cable core is the several, the cable core includes the conductor, the compressive layer in the inner insulating layer outside of crowded package at the inner insulating layer in the conductor outside and cladding, and it has the oxygen material that separates to fill between inner insulating layer and the compressive layer, the protection frame includes the inner sheath of several and cable core one-to-one, and be connected through the connecting piece between two adjacent inner sheaths, the inboard of inner sheath is equipped with along axially extended card strip, the compressive layer is equipped with the draw-in groove with card strip adaptation, the inoxidizing coating is including wrapping the covering, outer insulating layer and oversheath, it separates the outside that the winding closely twined at the several inner sheath to adopt the high fire-retardant fire glass cloth band around the covering, and pack around having fire prevention filler between covering and the inner sheath, crowded package in the outside of covering. The utility model relates to a rationally, simple structure has intensity height, toughness good, resistant buckling, antitorque characteristics, increase of service life greatly.

Description

High-strength flat cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to high strength flat cable.

Background

Flat cables or ribbon cables are flat wires formed by joining a plurality of wires together. The cable has low cost, light weight and high toughness, and can be easily used in large-scale equipment and small-scale equipment. The flat cable has the characteristics of heat radiation resistance, cold resistance, acid and alkali resistance and the like, and the environmental temperature is-40-70 ℃. However, the existing flat cable has poor strength and short service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength flat cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength flat cable, its structural feature lies in: the cable comprises a cable core, a protection frame and a protection layer, wherein the cable core is provided with a plurality of cable cores which are arranged side by side, the cable core comprises a conductor, an inner insulating layer extruded outside the conductor and a compression resistant layer coated outside the inner insulating layer, oxygen isolating materials are filled between the inner insulating layer and the compression resistant layer, the protection frame comprises a plurality of inner sheaths which correspond to the cable core one by one, the cable core is arranged inside the inner sheaths, two adjacent inner sheaths are connected through a connecting piece, clamping strips extending along the axial direction are arranged inside the inner sheaths, clamping grooves matched with the clamping strips are arranged on the compression resistant layer, fireproof fillers are filled between the inner sheaths and the cable core, the protection layer comprises a wrapping layer, an outer insulating layer and an outer sheath, the wrapping layer is tightly wound outside the inner sheaths by adopting high-flame-retardant fire-isolating glass cloth, fireproof fillers are filled between the wrapping layer and the inner sheaths, and the outer, the outer side of the outer insulating layer is coated with an outer sheath.

Preferably, the protective layer is in the shape of a flat strip.

Preferably, the conductor is formed by twisting a plurality of metal wires in the same direction.

Preferably, the inner insulating layer and the outer insulating layer are both made of high temperature vulcanized silicone rubber.

Preferably, the cross-section of the anti-compression layer is in the shape of a flower, and the anti-compression layer is a honeycomb structure made of metal.

Preferably, the inner sheath is square in cross-section.

Preferably, the inner sheath and the cable core are arranged on the same axis.

Preferably, the protective frame is integrally arranged and made of ceramic silicon rubber.

Preferably, the outer sheath is made of a low smoke zero halogen TPV material.

Compared with the prior art, the utility model relates to a rationally, simple structure has intensity height, toughness good, resistant buckling, antitorque characteristics, increase of service life greatly.

Drawings

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

in the figure: 1-inner insulating layer, 2-anti-pressure layer, 3-oxygen insulation material, 4-inner sheath, 5-connecting piece, 6-clamping strip, 7-clamping groove, 8-fireproof filler, 9-wrapping layer, 10-outer insulating layer, 11-outer sheath and 12-metal wire.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, the utility model provides a technical scheme, a high-strength flat cable, which comprises a plurality of cable cores, a protective frame and a protective layer, wherein the cable cores are arranged side by side, the cable cores comprise conductors, inner insulating layers 1 extruded outside the conductors and compression resistant layers 2 coated outside the inner insulating layers 1, oxygen-isolating materials 3 are filled between the inner insulating layers 1 and the compression resistant layers 2, the protective frame comprises a plurality of inner sheaths 4 corresponding to the cable cores one by one, wherein the cable cores are arranged inside the inner sheaths 4, two adjacent inner sheaths 4 are connected through connecting pieces 5, clamping strips 6 extending along the axial direction are arranged inside the inner sheaths 4, the compression resistant layers 2 are provided with clamping grooves 7 matched with the clamping strips 6, fireproof fillers 8 are filled between the inner sheaths 4 and the cable cores, the protective layer comprises a wrapping layer 9, an outer insulating layer 10 and an outer sheath 11, the fire-proof and fire-proof glass cloth wrapping tape is tightly wound on the outer sides of the inner sheaths 4 by the wrapping layer 9, the fireproof filler 8 is filled between the wrapping layer 9 and the inner sheaths 4, the outer side of the wrapping layer 9 is extruded with the outer insulating layer 10, and the outer side of the outer insulating layer 10 is wrapped with the outer sheath 11.

In this embodiment, the protective layer is in the shape of a flat strip.

In the present embodiment, the conductor is formed by twisting a plurality of metal wires 12 in the same direction.

In the present embodiment, the inner insulating layer 1 and the outer insulating layer 10 are both made of high temperature vulcanized silicone rubber.

In the embodiment, the cross section of the compression-resistant layer 2 is in a flower shape, and the compression-resistant layer 2 is in a honeycomb structure made of metal.

In the present embodiment, the cross section of the inner sheath 4 is square.

In this embodiment, the inner sheath 4 and the cable core are disposed on the same axis.

In the embodiment, the protection frame is integrally arranged and made of ceramic silicon rubber.

In the present embodiment, the outer sheath 11 is made of a low smoke zero halogen TPV material.

The inner insulating layer 1 and the outer insulating layer 10 are both made of high-temperature vulcanized silicone rubber, so that the overall flexibility, toughness, bending resistance and distortion resistance of the cable are improved; the cross section of the pressure-resistant layer 2 is in a flower shape, the stress area is increased by the protruded part, the pressure resistance can be improved, and meanwhile, the pressure-resistant layer 2 is of a honeycomb structure made of metal, so that the overall strength and the pressure resistance of the cable are further improved; the oxygen insulation material 3 is arranged to insulate oxygen in the outside air and prevent flame from spreading, so that a higher flame-retardant grade effect is achieved; the protection frame is arranged integrally, namely the inner sheath 4, the connecting piece 5 and the clamping strip 6 are arranged integrally, the inner sheath 4 can prevent the cable core from being damaged by external force, the position of the cable core can be limited through the matching between the clamping strip 6 and the clamping groove 7, the cable core is prevented from being broken when the cable is bent and twisted, in addition, the protection frame is made of ceramic silicon rubber, and the cable core can be encrusted into ceramic after meeting high temperature to form an isolation layer, so that flame is isolated outside the cable core, the cable core is prevented from burning, and the circuit is kept conducted; the wrapping layer 9 is formed by winding high-flame-retardant fire-insulating glass cloth wrapping bands tightly on the outer sides of the inner sheaths 4, so that the flame-retardant effect is achieved.

The utility model relates to a rationally, simple structure has intensity height, toughness good, resistant buckling, antitorque characteristics, increase of service life greatly.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high-strength flat cable is characterized in that: the cable comprises a cable core, a protection frame and a protection layer, wherein the cable core is provided with a plurality of cable cores which are arranged side by side, the cable core comprises a conductor, an inner insulating layer extruded outside the conductor and a compression resistant layer coated outside the inner insulating layer, oxygen-isolating materials are filled between the inner insulating layer and the compression resistant layer, the protection frame comprises a plurality of inner jackets corresponding to the cable core one by one, the cable core is arranged inside the inner jackets and is connected with two adjacent inner jackets through a connecting piece, clamping strips extending along the axial direction are arranged on the inner side of the inner jackets, clamping grooves matched with the clamping strips are formed in the compression resistant layer, fireproof fillers are filled between the inner jackets and the cable core, the protection layer comprises a winding layer, an outer insulating layer and an outer jacket, the cable core layer adopts high-flame-retardant fire-isolating glass cloth to be tightly wound on the outer sides of the plurality of inner jackets, and fireproof fillers are filled between, the outer side of the wrapping layer is extruded with an outer insulating layer, and the outer side of the outer insulating layer is wrapped with an outer sheath.

2. A high strength flat cable according to claim 1, wherein: the protective layer is in a flat surface strip shape.

3. A high strength flat cable according to claim 1, wherein: the conductor is formed by twisting a plurality of metal wires in the same direction.

4. A high strength flat cable according to claim 1, wherein: the inner insulating layer and the outer insulating layer are both made of high-temperature vulcanized silicone rubber.

5. A high strength flat cable according to claim 1, wherein: the cross section of the pressure-resistant layer is in a flower shape, and the pressure-resistant layer is of a honeycomb structure made of metal.

6. A high strength flat cable according to claim 1, wherein: the section of the inner sheath is square.

7. A high strength flat cable according to claim 1, wherein: the inner sheath and the cable core are arranged on the same axis.

8. A high strength flat cable according to claim 1, wherein: the protective frame is integrally arranged and is made of ceramic silicon rubber.

9. A high strength flat cable according to claim 1, wherein: the outer sheath is made of low-smoke halogen-free TPV material.