CN213459106U

CN213459106U - Reinforced flexible cable

Info

Publication number: CN213459106U
Application number: CN202022294540.9U
Authority: CN
Inventors: 张世泉
Original assignee: Nantong Donghong Wire And Cable Co ltd
Current assignee: Nantong Donghong Wire And Cable Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-06-15
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a strenghthened type flexible cable, contain the enhancement core, a plurality of insulated wire, around the covering, the flame retardant coating, armor and oversheath, the enhancement core contains central core and a plurality of group jube, a plurality of group jube are fixed on central core and a plurality of group jube along the equidistant distribution of length direction of central core, every group jube comprises a plurality of railings, every railing is along the radial setting of cable and railing one end is fixed in the central core outside, a plurality of railings are along the equidistant setting of circumference of central core, a plurality of insulated wire set up respectively and constitute the cable core between the railing of enhancement core, around the covering, the flame retardant coating, the armor and from inside to outside set gradually the outside at the cable core. The utility model discloses a set up strenghthened type at the cable center and improved the holistic intensity of flexible cable, improved the tensile properties of flexible cable greatly.

Description

Reinforced flexible cable

Technical Field

The utility model relates to a flexible cable, especially a strenghthened type flexible cable belong to the cable field.

Background

The wire and cable industry is the second industry in China next to the automobile industry, and both the product variety satisfaction rate and the domestic market share rate exceed 90%. The total output value of the electric wire and the electric cable in China exceeds the United states worldwide, and the electric wire and the electric cable become the first country for producing the electric wire and the electric cable in the world. Along with the high-speed development of the China wire and cable industry, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved. When cable arrangement is carried out in a region with more complicated and narrow space, the cable is usually required to be bent, and the flexible cable has better bending performance compared with the traditional hard cable, so that the cable arrangement in the region can be more adapted. In order to ensure the bending performance, the strength of the flexible cable in the prior art is reduced compared with that of a common cable, so that the tensile resistance of the flexible cable is reduced, and the use safety of the cable is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a strenghthened type flexible cable is provided, the intensity of flexible cable is improved.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a strenghthened type flexible cable which characterized in that: contain the enhancement core, a plurality of insulated wire, around the covering, the flame retardant coating, armor and oversheath, the enhancement core contains central core and a plurality of group jube, a plurality of group jube are fixed on central core and a plurality of group jube are along the equidistant distribution of length direction of central core, every group jube comprises a plurality of railings, every railing is along the radial setting of cable and railing one end is fixed in the central core outside, a plurality of railings are along the equidistant setting of circumference of central core, a plurality of insulated wire set up respectively and constitute the cable core between the railing of enhancement core, around the covering, the flame retardant coating, armor and oversheath set gradually the outside at the cable core from inside to outside.

Further, every group divider contains four railings, and four railings are the cross setting in the outside of central core.

Furthermore, a plurality of grooves are arranged on the central core body and are positioned between the two adjacent groups of separation fences.

Further, the groove is an annular groove with a triangular cross section.

Furthermore, the insulated wire comprises a soft copper conductor, a mica tape and an insulating sheath, wherein the mica tape is wrapped on the outer side of the soft copper conductor, and the insulating sheath is extruded on the outer side of the mica tape.

Further, the insulating sheath is made of halogen-free polyolefin material.

Furthermore, the wrapping layer is made of fire-resistant mica tapes.

Further, the fire-resistant layer is made of ceramic rubber.

Furthermore, the armor layer is made of stainless steel tubes, and annular embossing grains distributed at equal intervals are arranged on the outer sides of the stainless steel tubes.

Further, the outer sheath is made of halogen-free polyolefin material.

Compared with the prior art, the utility model, have following advantage and effect: the reinforced flexible cable of the utility model improves the overall strength of the flexible cable by arranging the reinforced type at the center of the cable, greatly improves the tensile property of the flexible cable, and the reinforced core adopts a plurality of groups of separation fences which are separately arranged, thereby ensuring the overall strength and not influencing the overall bending property of the cable; finally, the central core is provided with a channel, so that the cable is easier to bend.

Drawings

Fig. 1 is a schematic view of a reinforced flexible cable of the present invention.

Fig. 2 is a schematic view of the reinforcing core of the present invention.

Detailed Description

To elaborate on the technical solution adopted by the present invention for achieving the predetermined technical purpose, the technical solution in the embodiment of the present invention will be clearly and completely described below by combining with the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a partial embodiment of the present invention, not a whole embodiment, and technical means or technical features in the embodiment of the present invention can be replaced without paying creative efforts, and the present invention will be described in detail below by combining with the embodiments with reference to the drawings.

As shown in fig. 1 and 2, the utility model discloses a strenghthened type flexible cable, contain and strengthen core 1, a plurality of insulated wire, around covering 5, the flame retardant coating 6, armor 7 and oversheath 8, it contains central core 9 and a plurality of component jube to strengthen core 1, a plurality of component jube are fixed on central core 9 and a plurality of component jube along the equidistant distribution of length direction of central core 9, every group jube comprises a plurality of railings 10, every railing 10 is fixed in the central core 9 outside along radial setting of cable and railing 10 one end, a plurality of railings 10 set up along the equidistant setting of circumference of central core 9, a plurality of insulated wire set up respectively and constitute the cable core between the railing of strengthening core 1, around covering 5, the flame retardant coating 6, armor 7 and oversheath 8 set gradually the outside at the cable core from inside to outside.

Each group of separating fence comprises four railings 10, and the four railings 10 are arranged on the outer side of the central core body in a cross manner. The central core body 9 is provided with a plurality of grooves 11, the grooves 11 are positioned between two adjacent groups of partition rails, and the arrangement of the grooves 11 can enable the whole reinforcing core to be bent more easily. The groove 11 is an annular groove with a triangular cross section, the triangular groove is convenient to process, and when the cable needs to be stripped, the sharp corner caused by the triangular groove enables an operator to break the reinforcing core by bare hands, so that the operation is more convenient.

The insulated wire comprises a soft copper conductor 2, a mica tape 3 and an insulating sheath 4, wherein the mica tape 3 is wrapped on the outer side of the soft copper conductor 2, and the insulating sheath 4 is wrapped on the outer side of the mica tape 3 in an extruding manner. The insulating sheath 4 is made of halogen-free polyolefin material, and the halogen-free polyolefin has good fire resistance and does not release toxic gas when burning.

The wrapping layer 5 is made of fire-resistant mica tapes which can ensure the overall fire resistance of the cable. The fire-resistant layer 6 is made of ceramic rubber, and when the ceramic rubber is burnt, the ceramic rubber is subjected to ceramic at a high temperature to form a ceramic solid protective layer, so that the safety of an internal insulated wire can be effectively protected. Armor 7 adopts nonrust steel pipe, and the outside of nonrust steel pipe is provided with the annular impressed watermark of equidistant distribution, and the annular impressed watermark can make the bending property of armor better. The outer sheath 8 is made of halogen-free polyolefin material.

The reinforced flexible cable of the utility model improves the overall strength of the flexible cable by arranging the reinforced type at the center of the cable, greatly improves the tensile property of the flexible cable, and the reinforced core adopts a plurality of groups of separation fences which are separately arranged, thereby ensuring the overall strength and not influencing the overall bending property of the cable; finally, the central core is provided with a channel, so that the cable is easier to bend.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the technical scope of the present invention, but all the modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a strenghthened type flexible cable which characterized in that: contain the enhancement core, a plurality of insulated wire, around the covering, the flame retardant coating, armor and oversheath, the enhancement core contains central core and a plurality of group jube, a plurality of group jube are fixed on central core and a plurality of group jube are along the equidistant distribution of length direction of central core, every group jube comprises a plurality of railings, every railing is along the radial setting of cable and railing one end is fixed in the central core outside, a plurality of railings are along the equidistant setting of circumference of central core, a plurality of insulated wire set up respectively and constitute the cable core between the railing of enhancement core, around the covering, the flame retardant coating, armor and oversheath set gradually the outside at the cable core from inside to outside.

2. A reinforced flexible cable as claimed in claim 1, wherein: every group divider contains four railings, and four railings are the cross setting in the outside of central core.

3. A reinforced flexible cable as claimed in claim 1, wherein: the central core body is provided with a plurality of grooves, and the grooves are positioned between two adjacent groups of separation fences.

4. A reinforced flexible cable as claimed in claim 3, wherein: the groove is an annular groove with a triangular section.

5. A reinforced flexible cable as claimed in claim 1, wherein: the insulated wire comprises a soft copper conductor, a mica tape and an insulated sheath, wherein the mica tape is wrapped on the outer side of the soft copper conductor, and the insulated sheath is extruded on the outer side of the mica tape.

6. A reinforced flexible cable as claimed in claim 5, wherein: the insulating sheath is made of halogen-free polyolefin material.

7. A reinforced flexible cable as claimed in claim 1, wherein: the wrapping layer is made of fire-resistant mica tapes.

8. A reinforced flexible cable as claimed in claim 1, wherein: the fire-resistant layer is made of ceramic rubber.

9. A reinforced flexible cable as claimed in claim 1, wherein: the armor layer is made of stainless steel tubes, and annular embossing grains distributed at equal intervals are arranged on the outer sides of the stainless steel tubes.

10. A reinforced flexible cable as claimed in claim 1, wherein: the outer sheath is made of halogen-free polyolefin material.