CN112904511B - Skeleton cable - Google Patents

Abstract

The application discloses a skeleton cable, which comprises a skeleton with a plurality of skeleton grooves, optical fiber units arranged in the skeleton grooves, a waterproof layer for coating the skeleton and the optical fiber units, and a sheath layer for coating the waterproof layer; the port of the skeleton groove has a positioning notch, and the optical fiber unit includes: the two ends of the cover plate are erected on the positioning notches of the framework grooves; a plurality of optical fiber ribbons are arranged in the framework grooves, one side end of each optical fiber ribbon is connected with the inner side of the cover plate through a first connecting portion, the intersection of the first connecting portion and the cover plate is sprayed with identification marks, and the identification marks of the optical fiber ribbons are different in color. According to the optical fiber unit, the optical fiber ribbons are connected with the cover plate, the position relation among the optical fiber ribbons is determined, and the problem of winding or dislocation does not exist; when the optical fiber ribbons are connected, the corresponding optical fiber ribbons can be rapidly selected through the identification marks with different colors.

Description

Skeleton cable

technical field

The invention relates to the field of cables, in particular to a skeleton cable.

Background technique

The skeleton cable usually includes a skeleton with a skeleton groove, a waterproof layer covering the outside of the skeleton, and a sheath layer covering the waterproof layer. There are usually multiple optical fiber ribbons placed in the skeleton groove of the skeleton, and the multiple optical fiber ribbons are stacked on the skeleton groove in turn. There are two problems with this structure. One is that there is no limit structure between the optical fiber ribbons, and the optical fiber ribbons are easy to be entangled or misplaced. , and the second is that the corresponding optical fiber cannot be quickly selected when connecting.

Contents of the invention

The present invention aims at the above problems, overcomes at least one deficiency, and proposes a skeleton cable.

The technical scheme that the present invention takes is as follows:

A skeleton cable, comprising a skeleton with a plurality of skeleton grooves, an optical fiber unit installed in the skeleton grooves, a waterproof layer covering the skeleton and the optical fiber unit, and a sheath layer covering the waterproof layer;

The port of the skeleton groove has a positioning notch, and the optical fiber unit includes:

The cover plate, the two ends are built on the positioning notch of the skeleton groove;

A plurality of optical fiber ribbons are located in the skeleton groove, and one end of each optical fiber ribbon is connected to the inner side of the cover plate through a first connecting portion, and an identification mark is sprayed at the intersection of the first connecting portion and the cover plate, and each optical fiber ribbon The colors of the identification marks are all different.

Each optical fiber ribbon of the optical fiber unit of the present application is connected to the cover plate, and the positional relationship between each optical fiber ribbon is determined, and there is no problem of winding or misalignment; when connecting, the corresponding optical fiber ribbon can be quickly selected through identification marks of different colors.

In one embodiment of the present invention, the identification mark includes a first part located on the inner side wall of the cover plate and a second part located at the first connecting part, and the first part and the second part are connected.

The identification mark is located at the intersection of the first connection part and the cover plate, and the first part is connected to the second part. This design not only facilitates the spray processing of the identification mark, but also can quickly put the optical fiber ribbon into the corresponding position after the wiring is completed, preventing Misplaced.

In one embodiment of the present invention, the middle portion of the first connecting portion has a V-shaped notch for easy tearing.

Through the V-shaped notch, the first connecting part can be torn apart more conveniently, so that the optical fiber ribbon can be quickly detached from the cover plate, and the wiring operation is convenient.

In one embodiment of the present invention, the optical fiber ribbon includes a plurality of sub-fiber ribbons connected in sequence, and two adjacent sub-ribbons are connected through a second connection part.

Through the design of the sub-ribbons, each fiber ribbon has more optical fibers.

In one embodiment of the present invention, the middle portion of the second connecting portion has a V-shaped notch for easy tearing.

Through the V-shaped notch, the second connecting portion can be torn apart more conveniently, and the corresponding sub-fiber ribbons can be easily separated for wiring and other operations.

In one embodiment of the present invention, each sub-ribbon includes a transparent cladding layer and a plurality of optical fibers located in the cladding layer, each sub-ribbon is embedded with a color band, and the color of each color band of the same optical fiber ribbon All are different.

Through the design of the sub-fiber ribbon with a transparent coating, the second connecting portion, and the color band, the number of optical fibers can be further increased and reliable differentiation and separation can be ensured. ,

In one embodiment of the present invention, identification lines are embedded in the cover plates of two adjacent optical fiber units, one optical fiber unit has one identification line, and the other optical fiber unit has two identification lines.

The direction can be determined through the difference of the identification lines, so that each skeleton groove can be quickly positioned and the docking operation is convenient.

In one embodiment of the present invention, the frame groove includes a gathered portion close to the center of the frame and a flaring portion connected to the gathered portion, and the positioning notch is disposed on the flared portion.

The design of the skeleton groove makes the distance between the fiber ribbons at one end of the cover plate larger, which facilitates the identification and separation of the fiber ribbons; the gathering part is used to cooperate with one end of the fiber ribbons to gather one end of each fiber ribbon.

In one embodiment of the present invention, a reinforcement is installed at the center of the frame.

The beneficial effects of the present invention are: each optical fiber ribbon of the optical fiber unit of the present application is connected to the cover plate, the positional relationship between each optical fiber ribbon is determined, and there is no problem of winding or misalignment; when connecting, the identification marks of different colors can quickly Pick out the corresponding fiber optic ribbon.

Description of drawings:

Fig. 1 is the schematic diagram of embodiment 1 skeleton cable;

Fig. 2 is a structural schematic diagram of an optical fiber unit;

Figure 3 is a schematic diagram of an optical fiber ribbon;

Fig. 4 is a schematic diagram of the framework cable of Embodiment 2.

Each reference mark in the figure is:

1. Skeleton; 2. Skeleton groove; 3. Optical fiber unit; 4. Waterproof layer; 5. Sheath layer; 6. Positioning notch; 7. Cover plate; 8. Optical fiber ribbon; Identification mark; 11, first part; 12, second part; 13, V-shaped notch; 14, sub-fiber ribbon; 15, second connection part; 16, coating layer; 17, optical fiber; 18, color band; 19 , identification line; 20, gathering part; 21, flaring part; 22, reinforcement.

Detailed ways:

Below in conjunction with each accompanying drawing, the present invention is described in detail.

Example 1

As shown in Figures 1 and 2, a skeleton cable includes a skeleton 1 with a plurality of skeleton grooves 2, an optical fiber unit 3 installed in the skeleton groove 2, a waterproof layer 4 covering the skeleton 1 and the optical fiber unit 3, and a coating waterproof jacket layer 5 of layer 4;

The port of the frame groove 2 has a positioning notch 6, and the optical fiber unit 3 includes:

The cover plate 7 is set on the positioning notch 6 of the skeleton groove 2 at both ends;

A plurality of optical fiber ribbons 8 are located in the skeleton groove 2, and one end of each optical fiber ribbon 8 is connected to the inner side of the cover plate 7 through the first connecting portion 9, and an identification mark 10 is sprayed at the intersection of the first connecting portion 9 and the cover plate 7 , the colors of the identification marks 10 of each optical fiber ribbon 8 are different.

Each optical fiber ribbon 8 of the optical fiber unit 3 of the present application is connected to the cover plate 7, and the positional relationship between each optical fiber ribbon 8 is determined, and there is no problem of winding or misalignment; when connecting, the identification marks 10 of different colors can be quickly selected Corresponding optical fiber ribbon 8.

As shown in FIG. 2 , in this embodiment, the identification mark 10 includes a first portion 11 located on the inner wall of the cover plate 7 and a second portion 12 located at the first connecting portion 9 , the first portion 11 and the second portion 12 are connected. The identification mark 10 is located at the intersection of the first connecting part 9 and the cover plate 7, and the first part 11 and the second part 12 are connected. This design not only facilitates the spraying process of the identification mark 10, but also enables the optical fiber ribbon 8 to be quickly removed after the wiring is completed. Put it in the corresponding position to prevent misplacement.

As shown in FIG. 2 , in this embodiment, the middle portion of the first connecting portion 9 has a V-shaped notch 13 for easy tearing. Through the V-shaped notch 13, the first connecting portion 9 can be torn off more conveniently, so that the optical fiber ribbon 8 can be quickly detached from the cover plate 7, and the wiring operation is convenient.

As shown in FIG. 3 , in this embodiment, the optical fiber ribbon 8 includes a plurality of sub-fiber ribbons 14 connected in sequence, and two adjacent sub-fiber ribbons 14 are connected through a second connecting portion 15 . The design of the sub-ribbons 14 enables each fiber ribbon 8 to have more optical fibers.

In this embodiment, the middle portion of the second connecting portion 15 has a V-shaped notch 13 for easy tearing. Through the V-shaped notch 13, the second connecting portion 15 can be torn apart more conveniently, and the corresponding sub-fiber ribbon 14 can be easily separated for wiring and other operations.

As shown in FIG. 3 , in this embodiment, each sub-fiber ribbon 14 includes a transparent cladding layer 16 and a plurality of optical fibers 17 located in the cladding layer 16, and a color band 18 is embedded in each sub-fiber ribbon 14, The colors of the color bands 18 of the same optical fiber ribbon 8 are all different. Through the design of the sub-fiber ribbon 14 with the transparent cladding layer 16, the second connecting portion 15, and the color band 18, the number of optical fibers can be further increased and reliable identification and separation can be ensured. ,

As shown in Figure 1, in this embodiment, there are identification lines 19 embedded in the cover plates 7 of two adjacent optical fiber units 3, wherein one optical fiber unit 3 has an identification line, and the other optical fiber unit 3 has Two identification lines 19 . The direction can be determined through the difference of the identification line 19, so that each skeleton groove 2 can be quickly positioned, and the docking operation is convenient. In this embodiment, a reinforcement 22 is installed at the center of the framework 1 .

Example 2

As shown in Figure 4, the difference between this embodiment and Embodiment 1 is that the cross-section of the skeleton groove 2 is not rectangular, and the skeleton groove 2 of this embodiment includes a gathering part 20 near the center of the skeleton 1 and a connecting part connected with the gathering part 20. The flared portion 21 , the positioning notch 6 is disposed on the flared portion 21 . As shown in FIG. 4 , in this embodiment, the gathered portion 20 has a rectangular cross-section, and the flaring portion 21 has an umbrella-shaped cross-section.

The design of the skeleton groove 2 in this embodiment makes the distance between the fiber ribbons 8 at one end of the cover plate 7 larger, which facilitates the identification and separation of the fiber ribbons 8; One end of optical fiber ribbon 8 is gathered up.

The above is only a preferred embodiment of the present invention, and does not limit the scope of patent protection of the present invention. Any equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings is directly or indirectly used in other related technical fields. All are equally included in the scope of protection of the present invention.

Claims (3)

1. A framework cable, characterized in that, comprising a framework with a plurality of framework grooves, an optical fiber unit installed in the framework groove, a waterproof layer covering the framework and the optical fiber unit, and a sheath layer covering the waterproof layer ; The port of the skeleton groove has a positioning notch, and the optical fiber unit includes: The cover plate, the two ends are built on the positioning notch of the skeleton groove; A plurality of optical fiber ribbons are located in the skeleton groove, and one end of each optical fiber ribbon is connected to the inner side of the cover plate through a first connecting portion, and an identification mark is sprayed at the intersection of the first connecting portion and the cover plate, and each optical fiber ribbon The colors of the identification marks are all different; The identification mark includes a first part located on the inner side wall of the cover plate and a second part located at the first connecting part, the first part and the second part are connected; the middle part of the first connecting part has a V-shaped notch for easy tearing; The optical fiber ribbon includes a plurality of sub-fiber ribbons connected in sequence, and two adjacent sub-fiber ribbons are connected by a second connecting part; the middle part of the second connecting part has a V-shaped notch for easy tearing; each sub-fiber ribbon includes A transparent cladding layer and a plurality of optical fibers located in the cladding layer, each sub-fiber ribbon is embedded with a color band, and the colors of the color bands of the same optical fiber ribbon are different; Identification lines are embedded in the cover plates of two adjacent optical fiber units, one of which has one identification line, and the other optical fiber unit has two identification lines. 2 . The frame cable according to claim 1 , wherein the frame groove includes a gathered portion close to the center of the frame and a flared portion connected to the gathered portion, and the positioning notch is arranged in the flared portion. 3 . 3. The framework cable according to claim 1, characterized in that, a reinforcing member is installed at the center of the framework.

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