CN219435578U

CN219435578U - Monofilament connecting structure in flexible cable

Info

Publication number: CN219435578U
Application number: CN202223553061.XU
Authority: CN
Inventors: 杨建辉
Original assignee: Liaoning Zhongyi Cable Co ltd
Current assignee: Liaoning Zhongyi Cable Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-28
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of cables, in particular to a monofilament connecting structure in a flexible cable, which comprises an outer sleeve mechanism and an inner cable mechanism, wherein the inner cable mechanism is arranged in the outer sleeve mechanism; the inner cable mechanism comprises loose tubes, a middle core and optical fibers, the number of the loose tubes is six, the six loose tubes are distributed in the outer sleeve mechanism in an annular mode, at least six optical fibers are arranged in each loose tube, the middle core is arranged at the center of the inside of each loose tube, fiber paste is filled in each loose tube, the optical fibers are woven on the outer side wall of the middle core through stranding, and the outer sleeve mechanism comprises an outer sheath, a double-sided plastic-coated aluminum belt and a wrapping belt. The utility model overcomes the defects of the prior art, the central core is used for providing a central line for optical fiber twisting and winding, the central core is a metal wire, and after the optical fiber is twisted and wound on the central core, the compression resistance of the optical fiber can be enhanced, and the toughness of the optical fiber can be enhanced.

Description

Monofilament connecting structure in flexible cable

Technical Field

The utility model relates to the technical field of cables, in particular to a monofilament connecting structure in a flexible 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 assembly of one or more insulated cores, and their respective coatings, total protective layers and outer protective layers, the cable may also have additional uninsulated conductors.

The monofilaments of a typical cable are often combined together by a bundle core, and the monofilaments of the cable are relatively loose, resulting in a cable with poor compression resistance.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a monofilament connecting structure in a flexible cable, overcomes the defects of the prior art, and aims to solve the problems that monofilaments of a common cable are often combined together through a beam core, and the monofilaments of the cable are loose, so that the compression resistance of the cable is poor.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the monofilament connecting structure in the flexible cable comprises an outer sleeve mechanism and an inner cable mechanism, wherein the inner cable mechanism is arranged in the outer sleeve mechanism;

the inner cable mechanism comprises loose tubes, a middle core and optical fibers, wherein the number of the loose tubes is six, the six loose tubes are annularly distributed in the outer sleeve mechanism, at least six optical fibers are arranged in each loose tube, the middle core is arranged at the center of the inside of the loose tube, fiber paste is filled in the loose tubes, and the optical fibers are woven on the outer side wall of the middle core through stranding.

As a preferable technical scheme of the utility model, the outer sleeve mechanism comprises an outer sleeve, a double-sided plastic-coated aluminum belt and a belting, wherein the outer sleeve is sleeved outside the double-sided plastic-coated aluminum belt, and the double-sided plastic-coated aluminum belt is sleeved outside the belting.

As a preferable technical scheme of the utility model, the outer side wall of the double-sided plastic-coated aluminum belt is integrally formed with the annular clamping belts which are distributed at equal intervals.

As a preferable technical scheme of the utility model, the interval between the annular clamping bands is 8-10mm.

As a preferable technical scheme of the utility model, the cable core water-blocking ointment is filled in the bag belt.

As a preferable technical scheme of the utility model, a central reinforcing core is arranged at the center of the wrapping belt.

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

1. the middle core is used for providing a central line for optical fiber twisting and winding, the middle core is a metal wire, and after the optical fiber is twisted and wound on the middle core, the compression resistance of the optical fiber can be enhanced, and the toughness of the optical fiber can be enhanced;

2. after the outer sheath is sleeved on the double-sided plastic-coated aluminum strip, the annular clamping strip on the outer side is clamped and embedded on the inner side wall of the outer sheath, so that the offset between the double-sided plastic-coated aluminum strip and the outer sheath can be effectively prevented, and a better protection effect can be provided for the optical fiber.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic side view of the jacket structure of the present utility model.

In the figure: 11. an outer sheath; 12. double-sided plastic-coated aluminum belts; 13. a belting; 14. cable core water-blocking ointment; 15. a central reinforcing core; 16. an annular clamping band; 21. a loose tube; 22. a central core; 23. an optical fiber.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-2, a monofilament connecting structure in a flexible cable includes an outer sleeve mechanism and an inner cable mechanism, wherein the inner cable mechanism is installed in the outer sleeve mechanism; the jacket structure is an outer protective structure of the flexible cable for protecting the inner optical fiber 23.

Referring to fig. 1, the inner cable mechanism includes loose tubes 21, a central core 22 and optical fibers 23, the number of the loose tubes 21 is six, the six loose tubes 21 are distributed in the outer sleeve mechanism in a ring shape, at least six optical fibers 23 are arranged in each loose tube 21, the central core 22 is arranged at the inner center of the loose tube 21, the central core 22 is used for providing a central line for twisting and winding the optical fibers 23, the central core 22 is a metal wire, and after the optical fibers 23 are twisted and wound on the central core 22, the compression resistance of the optical fibers 23 can be enhanced, and the toughness of the optical fibers can be enhanced. The loose tube 21 is filled with fiber paste, and the optical fibers 23 are twisted and woven on the outer side wall of the central core 22. The paste can mechanically buffer the optical fiber 23, and the service life of the optical fiber 23 is better ensured.

Specifically, referring to fig. 1, the outer sleeve mechanism includes an outer sleeve 11, a double-sided plastic-coated aluminum belt 12, and a strap 13, wherein the outer sleeve 11 is sleeved outside the double-sided plastic-coated aluminum belt 12, and the double-sided plastic-coated aluminum belt 12 is sleeved outside the strap 13. The outer sheath 11, the double-sided plastic-coated aluminum tape 12 and the wrapping tape 13 are used for protecting the optical fibers 23 therein.

Specifically, referring to fig. 2, an annular clamping belt 16 is integrally formed on the outer side wall of the double-sided plastic-coated aluminum belt 12. The spacing between the annular bands 16 is 8-10mm. After the outer sheath 11 is sleeved on the double-sided plastic-coated aluminum belt 12, the annular clamping belt 16 on the outer side is clamped and embedded on the inner side wall of the outer sheath 11, so that the double-sided plastic-coated aluminum belt 12 and the outer sheath 11 can be effectively prevented from being deviated, and a better protection effect can be provided for the optical fibers 23.

Specifically, referring to fig. 1, a cable core water-blocking ointment 14 is filled in the bag strap 13. A central reinforcing core 15 is arranged at the center of the wrapping tape 13. The provision of the central reinforcing core 15 provides a skeleton for the flexible cable, enhancing its compression resistance.

Working principle: the central core 22 is used for providing a central line for twisting and winding the optical fiber 23, the central core 22 is made of metal wires, and after the optical fiber 23 is twisted and wound on the central core 22, the compression resistance of the optical fiber 23 can be enhanced, and the toughness of the optical fiber can be enhanced. After the outer sheath 11 is sleeved on the double-sided plastic-coated aluminum belt 12, the annular clamping belt 16 on the outer side is clamped and embedded on the inner side wall of the outer sheath 11, so that the double-sided plastic-coated aluminum belt 12 and the outer sheath 11 can be effectively prevented from being deviated, and a better protection effect can be provided for the optical fibers 23.

Finally, it should be noted that: in the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a monofilament connection structure in flexible cable, includes overcoat mechanism and interior cable mechanism, its characterized in that: the inner cable mechanism is arranged in the outer sleeve mechanism;

the inner cable mechanism comprises loose tubes (21), a middle core (22) and optical fibers (23), the number of the loose tubes (21) is six, the six loose tubes (21) are annularly distributed in the outer sleeve mechanism, each loose tube (21) is internally provided with at least six optical fibers (23), the middle core (22) is arranged at the center of the inside of the loose tube (21), fiber paste is filled in the loose tubes (21), and the optical fibers (23) are woven on the outer side wall of the middle core (22) through stranding.

2. A monofilament connecting structure in a flexible cable according to claim 1, wherein: the outer sleeve mechanism comprises an outer sheath (11), a double-sided plastic-coated aluminum belt (12) and a wrapping belt (13), wherein the outer sheath (11) is sleeved on the outer side of the double-sided plastic-coated aluminum belt (12), and the double-sided plastic-coated aluminum belt (12) is sleeved on the outer side of the wrapping belt (13).

3. A monofilament connecting structure in a flexible cable according to claim 2, wherein: the outer side wall of the double-sided plastic-coated aluminum belt (12) is integrally formed with annular clamping belts (16) which are distributed at equal intervals.

4. A monofilament connecting structure in a flexible cable according to claim 3, wherein: the spacing between the annular clamping bands (16) is 8-10mm.

5. A monofilament connecting structure in a flexible cable according to claim 2, wherein: the belting (13) is filled with cable core water-blocking ointment (14).

6. A monofilament connecting structure in a flexible cable according to claim 2, wherein: the center of the wrapping belt (13) is provided with a center reinforcing core (15).