CN215575837U

CN215575837U - Communication optical cable with damage prevention function

Info

Publication number: CN215575837U
Application number: CN202121366918.XU
Authority: CN
Inventors: 王立秋; 陈占东; 陈长军
Original assignee: Zhejiang Detong Photoelectric Co ltd
Current assignee: Zhejiang Detong Photoelectric Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-18
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a communication optical cable with a damage prevention function, which comprises an outer sheath, wherein an aramid fiber layer is fixedly connected to the inner wall of the outer sheath, an inner sheath is fixedly connected to the inner wall of the aramid fiber layer, cable core fillers are arranged in the inner cavity of the inner sheath, loose tubes are fixedly connected to the inner cavities of the cable core fillers, optical fibers are arranged in the inner cavities of the loose tubes, filling ropes are fixedly connected to the inner cavities of the cable core fillers, and the filling ropes are positioned on one side of the loose tubes. The utility model has the advantages of preventing the optical cable from being easily damaged in the laying process, improving the compression resistance and impact resistance of the optical cable, improving the torsion resistance of the optical cable and improving the tensile mechanical strength of the optical cable.

Description

Communication optical cable with damage prevention function

Technical Field

The utility model belongs to the technical field of optical cables, and particularly relates to a communication optical cable with a damage prevention function.

Background

With the continuous development of optical communication, optical cables become important carriers of communication networks and are widely used for indoor and outdoor information transmission, communication monitoring and the like.

However, in the process of laying the optical cable in the current market, the optical cable often needs to be stretched, wound, bent or extruded, which easily causes damage to the optical fiber, thereby affecting the signal transmission speed of the optical fiber, and a serious person will cause the transmission interruption of the optical signal, and higher requirements are provided for the tensile strength and the bending strength of the optical cable.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the communication optical cable with the damage prevention function, and the problems that the optical cable in the current market is easy to damage the optical cable in the laying process, the optical cable has poor compression resistance and impact resistance, the optical cable has poor torsion resistance and the tensile mechanical strength are low are effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a communication optical cable with bad function of loss prevention, includes the oversheath, oversheath inner wall fixedly connected with aramid fiber layer, aramid fiber layer inner wall fixedly connected with inner sheath, cable core filler have been arranged to the inner sheath inner chamber, fixedly connected with loose tube in the cable core filler, and optical fiber has been arranged to the loose tube inner chamber, fixedly connected with filling rope in the cable core filler, and the filling rope is located loose sheathed tube one side.

The outer sheath and the inner sheath are made of the same material, and both the outer sheath and the inner sheath are made of polyvinyl chloride.

Preferably, the loose sleeve inner cavity is provided with a sleeve filler on the side surface of the optical fiber, and the sleeve filler is made of fiber paste.

Preferably, the side fixedly connected with sawtooth of cable core filler and inner sheath contact, the medial surface of inner sheath offer with the recess of sawtooth joint, the cable core filler passes through the sawtooth with the inner sheath joint is fixed.

Preferably, the center in the cable core filler is fixedly connected with a central reinforcing core, and the loose tube and the filling rope are distributed on the outer side of the central reinforcing core in a surrounding manner.

The central reinforcing core is made of nylon.

Preferably, the cable core filler is internally and fixedly connected with a rubber hose, and the rubber hose is annularly distributed in the cable core filler.

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

1. according to the utility model, through the arrangement of the double-layer sheath, the compression resistance and the impact resistance of the optical cable are improved, and meanwhile, the optical cable also has good waterproof performance, the aramid fiber layer further strengthens the strength of the inner and outer protective sleeves, and the inner and outer protective sleeves cannot rotate relative to the cable core filler through clamping and fixing the sawteeth on the side surface of the cable core filler and the groove of the inner cavity of the inner sheath, so that the torsion resistance of the optical cable is effectively improved, the optical fiber is prevented from being damaged due to excessive torsion, and the service life of the optical fiber is prolonged;

2) the utility model discloses a cable core, including loose sleeve pipe, the sleeve pipe filler, the rubber hose, the core is strengthened to packing rope and center, optic fibre is as optical signal transmission's essential element, the fragile easy rupture of material, set up optic fibre in loose sleeve pipe, and pack fine cream as the sleeve pipe filler in loose sleeve pipe, can protect optic fibre, avoid the extrusion to damage optic fibre, the cable core filler has been arranged to loose sleeve pipe's outside simultaneously, the rubber hose has been arranged in the cable core filler, the rubber hose has certain buffer function, make the structure of optic fibre more stable, the impact has been reduced, vibrations and bending force are to the influence of optic fibre, through the setting of packing rope and center strengthening core, the core is strengthened to the center adopts the nylon materials to make, higher mechanical strength has, toughness is good, the holistic tensile strength of optical cable has been improved, and can prevent that the too big fracture of optic fibre bending degree from causing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a three-dimensional schematic view of a sleeve filler component of the construction of the present invention;

in the figure: 1. an outer sheath; 2. an aramid fiber layer; 3. an inner sheath; 4. a cable core filler; 5. loosening the sleeve; 6. a sleeve filler; 7. an optical fiber; 8. a groove; 9. saw teeth; 10. a hose of gum; 11. a central reinforcing core; 12. and (6) filling the ropes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

This embodiment is given by fig. 1-2, a communication optical cable with bad function of loss prevention, including oversheath 1, 1 inner wall fixedly connected with aramid fiber layer 2 of oversheath, 2 inner wall fixedly connected with inner sheaths 3 of aramid fiber layer, cable core filler 4 has been arranged to 3 inner chambers of inner sheath, fixedly connected with loose tube 5 in the cable core filler 4, optic fibre 7 has been arranged to loose tube 5 inner chamber, fixedly connected with filling rope 12 in the cable core filler 4, filling rope 12 is located one side of loose tube 5.

The aramid fiber layer 2 further strengthens the strength of the inner and outer protective sleeves; the outer sheath 1 and the inner sheath 3 are made of the same material, the outer sheath 1 and the inner sheath 3 are made of polyvinyl chloride, and the compression resistance and the impact resistance of the optical cable are improved through the arrangement of the double-layer sheath, and meanwhile, the optical cable has good waterproof performance; the filler cord 12 may increase the tensile strength of the cable to some extent.

In this embodiment, the side of the inner cavity of the loose tube 5 located on the optical fiber 7 is provided with a tube filler 6, and the tube filler 6 is a tube filler 6 made of fiber paste.

The sleeve filler 6 made of the fiber paste material can protect the optical fiber 7 and avoid the optical fiber 7 from being damaged by extrusion.

In this embodiment, the side fixedly connected with sawtooth 9 of cable core filler 4 and the contact of inner sheath 3, the medial surface of inner sheath 3 offer with the recess 8 of sawtooth joint, cable core filler 4 is fixed with inner sheath 3 through sawtooth 9 and recess 8 joint. The inner sheath 3 can not rotate relative to the cable core filler 4 by clamping and fixing the cable core filler 4 and the inner sheath 3, so that the torsion resistance of the optical cable is effectively improved, and the optical fiber 7 is prevented from being damaged due to excessive torsion.

In this embodiment, the central reinforcing core 11 is fixedly connected to the inner center of the cable core filler 4, and the loose tube 5 and the filling rope 12 are circumferentially distributed outside the central reinforcing core 11.

The central reinforcing core 11 is made of nylon, and has high mechanical strength and excellent toughness.

In this embodiment, the cable core filler 4 is fixedly connected with the flexible hoses 10, and the flexible hoses 10 are annularly distributed in the cable core filler 4.

The rubber hose 10 has a certain buffer function, so that the structure of the optical fiber 7 is more stable, and the influence of impact and vibration on the optical fiber 7 is reduced.

The working principle is as follows: the outermost layer of the optical cable is wrapped by the outer sheath 1, the outer sheath 1 is made of polyvinyl chloride, the friction resistance is good, the optical cable is prevented from being damaged due to dragging in the laying process to a large extent, the inner sheath 3 and the outer sheath 1 are made of the same material, the compression resistance and the impact resistance of the optical cable are improved through the arrangement of the double-layer sheath, and meanwhile, the waterproof performance is good; the aramid fiber layer 2 further strengthens the strength of the inner and outer protective sleeves; the sawtooth 9 through cable core filler 4 side is fixed with the inboard recess 8 joint of inner sheath 3 for inner sheath 3 can not take place relative rotation with cable core filler 4, and the effectual anti torsional performance of optical cable that has improved prevents to cause the damage to optic fibre 7 because of excessively twisting, has prolonged the life of optic fibre 7.

Optical fiber 7 is as optical signal transmission's essential element, the fragile easy rupture of material, set up optical fiber 7 in loose sleeve 5, and pack fine cream as sleeve pipe filler 6 in loose sleeve 5, can protect optical fiber 7, avoid extrusion damage optical fiber 7, cable core filler 4 has been arranged to the outside of loose sleeve 5 simultaneously, rubber hose 10 has been arranged in cable core filler 4, rubber hose 10 has certain buffer function, make optical fiber 7's structure more stable, the impact has been reduced, vibrations and bending force are to optical fiber 7's influence, strengthen core 11's setting through filling rope 12 and center, core 11 is strengthened to the center adopts the nylon materials to make, higher mechanical strength has, toughness is good, the holistic tensile strength of optical cable has been improved, and can prevent that optical fiber 7 bending degree from too big causing the fracture.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a communication optical cable with loss prevention function, includes the oversheath, its characterized in that: the utility model discloses a cable core filler, including oversheath inner wall fixedly connected with aramid fiber layer, aramid fiber layer inner wall fixedly connected with inner sheath, the cable core filler has been arranged to the inner sheath inner chamber, fixedly connected with loose tube in the cable core filler, and optic fibre has been arranged to loose tube inner chamber, fixedly connected with filling rope in the cable core filler, and the filling rope is located one side of loose tube.

2. A communication optical cable with a damage prevention function as claimed in claim 1, wherein: and the inner cavity of the loose sleeve is positioned on the side surface of the optical fiber and is provided with a sleeve filler, and the sleeve filler is made of a fiber paste material.

3. A communication optical cable with a damage prevention function as claimed in claim 1, wherein: the side fixedly connected with sawtooth of cable core filler and inner sheath contact, the medial surface of inner sheath offer with the recess of sawtooth joint, the cable core filler passes through the sawtooth with the inner sheath joint is fixed with the recess joint.

4. A communication optical cable with a damage prevention function as claimed in claim 1, wherein: the central reinforcing core is fixedly connected to the inner center of the cable core filler, and the loose tube and the filling rope are distributed on the outer side of the central reinforcing core in a surrounding mode.

5. A communication optical cable with a damage prevention function as claimed in claim 1, wherein: the cable core filler is internally and fixedly connected with a rubber hose which is annularly distributed in the cable core filler.