CN216647877U

CN216647877U - Resistance to compression type flexible cable

Info

Publication number: CN216647877U
Application number: CN202220089184.3U
Authority: CN
Inventors: 杨晓庆; 陈炎俊
Original assignee: Dongguan Fuchuan Precision Industry Co ltd
Current assignee: Dongguan Fuchuan Precision Industry Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-05-31
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses a compression-resistant flexible cable which comprises a flexible framework, wherein a rubber buffer layer is arranged on the outer surface of the flexible framework, the cross section of the flexible framework is circular, a protective layer which is distributed in a circumferential array mode by taking the center of the cross section of the flexible framework as a central point is arranged on the outer surface of the rubber buffer layer, buffer strips are arranged inside the protective layer, a rubber insulating layer which is distributed in a circumferential array mode by taking the center of the cross section of the flexible framework as a central point is arranged on the outer surface of the rubber buffer layer, a wire core is arranged inside the rubber insulating layer, a winding layer is arranged on the outer side of the rubber buffer layer, a reinforcing layer is arranged on the outer surface of the winding layer, a shielding layer is arranged on the outer surface of the reinforcing layer, and a sheath layer is arranged on the outer surface of the shielding layer. The pressure-resistant flexible cable can avoid damage to the cable when the cable is subjected to external force and bent under the condition that the winding difficulty is not increased.

Description

Resistance to compression type flexible cable

Technical Field

The utility model relates to the technical field of cables, in particular to a compression-resistant flexible cable.

Background

The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, the conductors for transmitting power or information from one place to another place are generally rope-like cables formed by twisting several or several groups of conductors, each group of conductors are mutually insulated and often twisted around a center, the whole cable is covered with a highly insulating covering layer, the cable has the characteristics of internal electrification and external insulation, and is divided into power cables, control cables, compensation cables, shielding cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables and the like, which are composed of single-strand or multi-strand conductors and insulating layers and used for connecting circuits, electric appliances and the like, the cables can be divided into direct current cables and alternating current cables according to the system of the photovoltaic power station, and are classified according to different purposes and use environments, the cable comprises a direct current cable, a serial cable between components, parallel cables between groups and a direct current distribution box (combiner box), cables between the direct current distribution box and an inverter, wherein the cables are direct current cables, the cables are laid more outdoors and need moisture protection, sun exposure protection, cold resistance, heat resistance and ultraviolet resistance, chemical substances such as acid and alkali resistance are also needed under certain special environments, an alternating current cable, a connecting cable from the inverter to a step-up transformer, a connecting cable from the step-up transformer to a distribution device, and a connecting cable from the distribution device to a power grid or a user, the cables are alternating current load cables, the laying defects of the indoor environment are more, the cables can be selected according to the type selection requirements of general power cables, and equipment in the prior art has certain defects, such as application number 202021261353.4; publication number 212010425U; the 'flexible cable' sequentially comprises cable cores, a wrapping layer, a shielding layer, a sheath layer, a buffer body and buffer layers from inside to outside, wherein the cable cores are in four groups, each cable core comprises a metal conductor and an insulating layer wrapping the periphery of the metal conductor, the metal conductor is formed by twisting a plurality of copper wires, the buffer body is provided with four accommodating areas, the buffer layers wrap the periphery of the buffer body and are matched with the accommodating areas to form four buffer cavities, and the four groups of cable cores are respectively and correspondingly arranged in the four buffer cavities; this application is through setting up the buffering body and buffer layer, the buffering body has four accommodation areas, the buffer layer cladding is in buffering body periphery, and with the accommodation area cooperation, form four cushion chambers, four group's cable cores correspond the setting respectively in four cushion chambers, the cushion chamber plays the cushioning effect, the cable core is when crooked, receive the cushioning effect of cushion chamber, can effectively reduce the crooked disconnected core's of cable core problem, the above-mentioned equipment buffering body is the cross, and the cable core is at the external surface of buffer body at evenly distributed, this kind of cross structure is unfavorable for the coiling of cable.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a pressure-resistant flexible cable which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a resistance to compression type flexible cable, includes flexible skeleton, flexible skeleton surface is provided with the rubber buffer layer, the cross-section of flexible skeleton is circular, the rubber buffer layer surface is provided with the inoxidizing coating that is circumference array distribution as the central point with flexible skeleton cross-section centre of a circle, the inside of inoxidizing coating is provided with the buffering strip, the rubber buffer layer surface is provided with the rubber insulation layer that is circumference array distribution as the central point with flexible skeleton cross-section centre of a circle, the inside of rubber insulation layer is provided with the sinle silk, the rubber buffer layer outside is provided with the winding layer, the winding layer surface is provided with the enhancement layer, the enhancement layer surface is provided with the shielding layer, the shielding layer surface is provided with the restrictive coating.

Preferably, the number of the protective layers and the number of the rubber insulating layers are six.

Preferably, the rubber insulation layer and the protective layer are in intimate contact.

Preferably, the buffer strip is made of a semi-conductive buffer water-blocking tape, the protective layer is made of a semi-conductive buffer tape, and the winding layer is formed by winding and wrapping a high-flame-retardant glass fiber tape.

Preferably, the gaps among the rubber insulating layer, the protective layer and the rubber buffer layer form a first buffer area, and the gaps among the winding layer, the rubber insulating layer and the protective layer form a second buffer area.

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

according to the utility model, through the arrangement of the buffer strip, the protective layer and the rubber insulating layer, the buffer wire formed by combining the rubber insulating layer and the wire core with the buffer strip and the protective layer is connected to the appointed position of the cable former, and then the wire and the buffer wire can be wound on the rubber buffer layer like a common cable.

Drawings

Fig. 1 is a schematic cross-sectional view of a compression-resistant flexible cable according to the present invention.

In the figure: 1. a flexible backbone; 101. a rubber buffer layer; 2. a buffer strip; 3. a protective layer; 4. a wire core; 5. a rubber insulating layer; 6. winding the layer; 7. a reinforcing layer; 8. a shielding layer; 9. a sheath layer.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Example one

As shown in fig. 1, a compression-resistant flexible cable comprises a flexible framework 1, wherein a rubber buffer layer 101 is arranged on the outer surface of the flexible framework 1, the cross section of the flexible framework 1 is circular, a protective layer 3 which is distributed in a circumferential array manner by taking the center of the cross section of the flexible framework 1 as a central point is arranged on the outer surface of the rubber buffer layer 101, buffer strips 2 are arranged inside the protective layer 3, a rubber insulating layer 5 which is distributed in a circumferential array manner by taking the center of the cross section of the flexible framework 1 as a central point is arranged on the outer surface of the rubber buffer layer 101, a wire core 4 is arranged inside the rubber insulating layer 5, a winding layer 6 is arranged on the outer side of the rubber buffer layer 101, a reinforcing layer 7 is arranged on the outer surface of the winding layer 6, a shielding layer 8 is arranged on the outer surface of the reinforcing layer 7, and a sheath layer 9 is arranged on the outer surface of the shielding layer 8; the number of the protective layers 3 and the number of the rubber insulating layers 5 are six; the rubber insulating layer 5 is closely contacted with the protective layer 3; the buffer strip 2 is made of a semi-conductive buffer water-blocking tape, the protective layer 3 is made of a semi-conductive buffer tape, and the winding layer 6 is formed by winding a high-flame-retardant glass fiber tape and is mainly used in a power cable metal sheath to play the roles of water-blocking buffer and shielding without corrosiveness; a first buffer area is formed by gaps among the rubber insulating layer 5, the protective layer 3 and the rubber buffer layer 101, a second buffer area is formed by gaps among the winding layer 6, the rubber insulating layer 5 and the protective layer 3, a lead made by combining the rubber insulating layer 5 and the wire core 4, a buffer wire made by combining the buffer strip 2 and the protective layer 3 are connected to a specified position of the cable former, and then the lead and the buffer wire can be wound on the rubber buffer layer 101 like a common cable.

Example two

As shown in fig. 1, in the prior art, a cable-former is required to wind a conducting wire on a flexible framework 1 when a cable is wound, so that in combination with the present embodiment, the conducting wire formed by combining a rubber insulating layer 5 and a wire core 4, and a buffer wire formed by combining a buffer strip 2 and a protective layer 3 are connected to a specified position of the cable-former, and then the conducting wire and the buffer wire can be wound on a rubber buffer layer 101 as a common cable, the above steps are consistent with those of the conventional winding method, when the cable is actually used, a sheath layer 9 is subjected to external pressure, the external pressure is transmitted to the rubber insulating layer 5, the protective layer 3 and the rubber buffer layer 101 to form a first buffer area, the first buffer area absorbs part of impact force, then the external force is transmitted to a winding layer 6, the rubber insulating layer 5 and the protective layer 3 to form a second buffer area, and the second buffer area absorbs residual external force, so that under the condition that the winding difficulty is not increased, the cable is prevented from being damaged when being subjected to external force and bent.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and their equivalents, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a resistance to compression type flexible cable which characterized in that: comprises a flexible framework (1), a rubber buffer layer (101) is arranged on the outer surface of the flexible framework (1), the cross section of the flexible framework (1) is circular, the outer surface of the rubber buffer layer (101) is provided with protective layers (3) which are distributed in a circumferential array by taking the center of the cross section of the flexible framework (1) as a central point, the inner part of the protective layer (3) is provided with a buffer strip (2), the outer surface of the rubber buffer layer (101) is provided with rubber insulating layers (5) which are distributed in a circumferential array by taking the section circle center of the flexible skeleton (1) as the central point, a wire core (4) is arranged in the rubber insulating layer (5), a winding layer (6) is arranged on the outer side of the rubber buffer layer (101), the outer surface of the winding layer (6) is provided with a reinforcing layer (7), the outer surface of the reinforcing layer (7) is provided with a shielding layer (8), and the outer surface of the shielding layer (8) is provided with a sheath layer (9).

2. The crush-resistant flexible cable as recited in claim 1, wherein: the number of the protective layers (3) and the number of the rubber insulating layers (5) are six.

3. The crush-resistant flexible cable as recited in claim 2, wherein: the rubber insulating layer (5) is closely contacted with the protective layer (3).

4. The crush-resistant flexible cable as recited in claim 3, wherein: the buffer strip (2) is made of a semi-conductive buffer water-blocking tape, the protective layer (3) is made of a semi-conductive buffer tape, and the winding layer (6) is formed by winding a high-flame-retardant glass fiber tape.

5. The crush-resistant flexible cable as recited in claim 4, wherein: the clearance between rubber insulation layer (5), inoxidizing coating (3) and rubber buffer layer (101) forms buffer area No. one, the clearance between winding layer (6), rubber insulation layer (5) and inoxidizing coating (3) forms buffer area No. two.