CN219997942U

CN219997942U - Optical fiber composite spiral cable

Info

Publication number: CN219997942U
Application number: CN202321097289.4U
Authority: CN
Inventors: 戎大琴
Original assignee: Yangzhou Rongxing Electric Co ltd
Current assignee: Yangzhou Rongxing Electric Co ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-11-10
Anticipated expiration: 2033-05-09

Abstract

The utility model discloses an optical fiber composite spiral cable, which relates to the technical field of cables and comprises a cable body, wherein a limiting sleeve is arranged in the cable body, through holes are formed in the limiting sleeve, the through holes are arranged in a plurality of groups, the through holes are distributed in a circumferential array around the axis of the limiting sleeve, an inner core is arranged in the through holes, the inner core comprises a conductor, a first inner protection layer and a second inner protection layer, the first inner protection layer is sleeved outside the conductor, the second inner protection layer is hot-pressed outside the first inner protection layer, first buffer cavities are formed in the limiting sleeve, the first buffer cavities are arranged in a plurality of groups, and the first buffer cavities are distributed with the through holes in a staggered mode. According to the optical fiber composite spiral cable, the inner core formed by the conductor, the first inner protection layer and the second inner protection layer is arranged, and is distributed in the through hole of the limit sleeve, so that the heat conduction and ageing resistance are improved, and the toughness of the cable body is enhanced.

Description

Optical fiber composite spiral cable

Technical Field

The utility model relates to the technical field of cables, in particular to an optical fiber composite spiral cable.

Background

The wire and cable are used to transmit electrical (magnetic) energy, information and wire products for electromagnetic energy conversion. The broad sense of electric wire and cable is also simply referred to as cable, and the narrow sense of cable is referred to as insulated cable, which can be defined as: an aggregate consisting of; one or more insulated cores, and the respective coatings, total protective layers and outer protective layers that they may have, may also have additional uninsulated conductors.

The existing spiral cable is easy to break, age, wear and the like in the repeated stretching and using process, so that the service life of the cable is reduced, and the use cost is increased.

Accordingly, it is necessary to invent an optical fiber composite spiral cable to solve the above-mentioned problems.

Disclosure of Invention

The present utility model is directed to an optical fiber composite spiral cable to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a compound spiral cable of optic fibre, includes the cable body, the inside of cable body is provided with the stop collar, the through-hole has been seted up to the inside of stop collar, the through-hole sets up to the multiunit, and multiunit through-hole is circumference array distribution around the axle center of stop collar, the inside of through-hole is provided with the inner core, the inner core includes conductor, first interior sheath and second interior sheath, first interior sheath suit is in the outside of conductor, the outside of second interior sheath hot pressing at first interior sheath.

Preferably, the first buffer cavities are arranged in the limiting sleeve, the first buffer cavities are arranged in a plurality of groups, and the first buffer cavities and the through holes are distributed in a staggered mode.

Preferably, a second buffer cavity is formed at one end, close to the axis of the limit sleeve, of the first buffer cavity.

Preferably, an insulating layer is sleeved outside the limiting sleeve.

Preferably, the insulating layer is sleeved outside the insulating layer, and the wear-resistant layer is sleeved outside the insulating layer.

Preferably, the clamping grooves are formed in the inner ring of the wear-resistant layer, the clamping grooves are arranged in a plurality of groups, the plurality of groups of clamping grooves are uniformly distributed around the inner ring of the wear-resistant layer, clamping blocks are connected in a clamping mode in the clamping grooves, and the clamping blocks are fixedly connected to the outer ring of the heat-insulating layer.

Preferably, the outer surface of the wear-resistant layer is provided with wear-resistant grains, and the wear-resistant grains are equidistantly distributed in multiple groups.

Preferably, the wear-resistant patterns are in a cross-shaped structure.

The utility model has the technical effects and advantages that:

1. the inner core formed by the conductor, the first inner protective layer and the second inner protective layer is arranged and distributed in the through hole of the limit sleeve, so that the heat conduction and ageing resistance are improved, and the toughness of the cable body is enhanced;

2. the first buffer cavity and the second buffer cavity are formed in the limiting sleeve, so that the expansion of the cable body is prevented from becoming large, and the use safety performance of the cable body is improved;

3. the outside cover of stop collar is equipped with the insulating layer, avoids the phenomenon of electric leakage to appear when the cable body damages through the insulating layer.

Drawings

Fig. 1 is a schematic diagram of the optical fiber composite spiral cable according to the present utility model.

Fig. 2 is a schematic cross-sectional view of the cable body of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is a schematic view of the structure of the inner core of the present utility model.

FIG. 5 is a schematic view of the wear resistant layer and the wear resistant grain structure of the present utility model.

In the figure: 1. a cable body; 2. a limit sleeve; 3. a through hole; 4. an inner core; 5. a conductor; 6. a first inner protective layer; 7. a second inner protective layer; 8. a first buffer cavity; 9. a second buffer cavity; 10. an insulating layer; 11. a thermal insulation layer; 12. a wear-resistant layer; 13. a clamping groove; 14. a clamping block; 15. wear resistant grain.

Detailed Description

The technical solutions in the embodiments of the present utility model will be made clear below in conjunction with the drawings in the embodiments of the present utility model; it will be apparent that the embodiments described are only some, but not all, of the embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an optical fiber composite spiral cable as shown in fig. 1-5, which comprises a cable body 1, wherein a limiting sleeve 2 is arranged in the cable body 1, through holes 3 are formed in the limiting sleeve 2, the through holes 3 are arranged in a plurality of groups, and the groups of through holes 3 are distributed in a circumferential array around the axis of the limiting sleeve 2. The limiting sleeve 2 is arranged, the toughness of the cable body 1 is enhanced, the positions of a plurality of inner cores 4 can be fixed, dislocation is avoided, and the use efficiency is improved. The inside of through-hole 3 is provided with inner core 4, and inner core 4 includes conductor 5, first inner sheath 6 and second inner sheath 7, and conductor 5 adopts the super gentle copper wire of anaerobic refining. The first inner protection layer 6 and the second inner protection layer 7 are both made of thermoplastic elastomer (TPE), so that the heat conduction performance and the ageing resistance can be improved, the ultraviolet absorption capability is strong, and the toughening effect is achieved. The first inner sheath 6 and the second inner sheath 7 are provided to further enhance the toughness of the cable body 1. The first inner sheath 6 is sleeved outside the conductor 5, and the second inner sheath 7 is hot-pressed outside the first inner sheath 6.

The first buffering cavity 8 has been seted up to the inside of stop collar 2, and first buffering cavity 8 sets up to the multiunit, and first buffering cavity 8 and through-hole 3 crisscross distribution. The end of the first buffer cavity 8, which is close to the axis of the limit sleeve 2, is provided with a second buffer cavity 9. When the first inner protection layer 6 and the second inner protection layer 7 expand and become larger due to heat generated by the conductor 5 in the use process, the first buffer cavity 8 and the second buffer cavity 9 can be compressed, the expansion and the enlargement of the cable body 1 are prevented, and the use safety performance of the cable body 1 is improved.

The outside cover of stop collar 2 is equipped with insulating layer 10, insulating layer 10 can adopt but not limited to halogen-free fire prevention PUR insulating material, avoids the phenomenon that appears leaking when cable body 1 damages through insulating layer 10, appears threatening staff's safety problem.

The insulating layer 11 is sleeved outside the insulating layer 10, and the insulating layer 11 can be made of mica tape materials, so that the influence on use caused by heating inside the cable body 1 is avoided, and the service life of the cable body 1 is prolonged. The outer part of the heat insulation layer 11 is sleeved with a wear-resistant layer 12, and the wear-resistant layer 12 can be made of polytetrafluoroethylene materials, but is not limited to polytetrafluoroethylene materials, so that the wear resistance of the cable body 1 is improved.

Clamping grooves 13 are formed in the inner ring of the wear-resistant layer 12, the clamping grooves 13 are arranged in a plurality of groups, the plurality of groups of clamping grooves 13 are uniformly distributed around the inner ring of the wear-resistant layer 12, clamping blocks 14 are connected in a clamping mode in the clamping grooves 13, and the clamping blocks 14 are fixedly connected to the outer ring of the heat-insulating layer 11. The clamping groove 13 and the clamping block 14 are arranged, so that the connection stability of the wear-resistant layer 12 and the heat insulation layer 11 is improved.

The outer surface of the wear-resistant layer 12 is provided with wear-resistant grains 15, the wear-resistant grains 15 are equidistantly distributed with a plurality of groups, and the wear-resistant grains 15 are in a cross-shaped structure. The wear-resistant patterns 15 are used to improve the wear resistance of the cable body 1 while increasing the friction force used.

Claims

1. An optical fiber composite spiral cable, comprising a cable body (1), characterized in that: the cable is characterized in that a limiting sleeve (2) is arranged in the cable body (1), through holes (3) are formed in the limiting sleeve (2), the through holes (3) are arranged in multiple groups, the through holes (3) are distributed in a circumferential array around the axis of the limiting sleeve (2), an inner core (4) is arranged in the through holes (3), the inner core (4) comprises a conductor (5), a first inner protection layer (6) and a second inner protection layer (7), the first inner protection layer (6) is sleeved on the outer portion of the conductor (5), and the second inner protection layer (7) is hot-pressed on the outer portion of the first inner protection layer (6).

2. An optical fiber composite spiral cable according to claim 1, characterized in that: the novel buffer structure is characterized in that first buffer cavities (8) are formed in the limiting sleeve (2), the first buffer cavities (8) are arranged in multiple groups, and the first buffer cavities (8) and the through holes (3) are distributed in a staggered mode.

3. An optical fiber composite spiral cable according to claim 2, characterized in that: and a second buffer cavity (9) is formed at one end of the first buffer cavity (8) close to the axis of the limit sleeve (2).

4. An optical fiber composite spiral cable according to claim 1, characterized in that: an insulating layer (10) is sleeved outside the limit sleeve (2).

5. An optical fiber composite spiral cable according to claim 4, wherein: the outside of insulating layer (10) is overlapped and is equipped with insulating layer (11), the outside of insulating layer (11) is overlapped and is equipped with wearing layer (12).

6. An optical fiber composite spiral cable according to claim 5, wherein: clamping grooves (13) are formed in the inner ring of the wear-resistant layer (12), the clamping grooves (13) are arranged in multiple groups, the clamping grooves (13) are uniformly distributed around the inner ring of the wear-resistant layer (12), clamping blocks (14) are connected to the inner clamping of the clamping grooves (13), and the clamping blocks (14) are fixedly connected to the outer ring of the heat-insulating layer (11).

7. An optical fiber composite spiral cable according to claim 6, characterized in that: the outer surface of the wear-resistant layer (12) is provided with wear-resistant grains (15), and the wear-resistant grains (15) are equidistantly distributed in multiple groups.

8. An optical fiber composite spiral cable according to claim 7, characterized in that: the wear-resistant lines (15) are in a cross-shaped structure.