CN219392343U

CN219392343U - Prefabricated end butterfly-shaped lead-in optical cable with visible connector inner core optical fiber state

Info

Publication number: CN219392343U
Application number: CN202320932931.XU
Authority: CN
Inventors: 吴小芳; 顾爱军; 吴清辉
Original assignee: Haian Guangyi Communication Equipment Co ltd; Shanghai Huijue Network Communication Equipment Co ltd
Current assignee: Haian Guangyi Communication Equipment Co ltd; Shanghai Huijue Network Communication Equipment Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-07-21
Anticipated expiration: 2033-04-23

Abstract

The utility model discloses a prefabricated end butterfly-shaped lead-in optical cable with a visible state of an optical fiber of a connector inner core, which comprises an optical cable wrapped with the optical fiber, wherein the end part of the optical cable is provided with a connector, the connector comprises a shell, a core insert connected with the optical fiber in the optical cable is arranged in the shell, the end part of the optical fiber is inserted into the core insert, a transparent lantern ring for compacting the end part of the optical fiber is arranged on the core insert, and a window for observing the connection part of the optical fiber and the core insert is arranged on the shell; the optical cable is sleeved with a sheath, one end of the sheath extends into the shell and is in compression connection with the inner wall of the shell, the sheath comprises a connecting part and a protecting part, the connecting part extends into the shell and is in interference fit with the inner wall of the shell, and the protecting part extends along the optical cable and gradually reduces the outer diameter of the protecting part; the connection condition of the optical fiber and the connection part of the ferrule can be conveniently observed through the window, the occurrence of problems can be timely remedied, the problem can be avoided after the construction is completed, and a large number of invalid reworks can be avoided.

Description

Prefabricated end butterfly-shaped lead-in optical cable with visible connector inner core optical fiber state

Technical Field

The utility model relates to the technical field of communication, in particular to a prefabricated end butterfly-shaped lead-in optical cable.

Background

The butterfly-shaped optical cable is a novel user access optical cable, the optical cable structure and various technical parameters are reasonably designed according to different application environments and laying conditions, the characteristics of the indoor soft optical cable and the self-supporting optical cable are integrated, special equipment is used for matching with import precision die production, the butterfly-shaped optical cable is an optimal alternative product for FTTX network solution, and the butterfly-shaped optical cable plays a unique role in constructing networks such as intelligent buildings, digital communities, campus networks, local area networks and the like.

The prefabricated end butterfly-shaped lead-in optical cable refers to cutting the required meter number of the butterfly-shaped optical cable into sections in a factory; fiber optic connectors (typically SC/UPC-type, single ended, main) are installed by manufacturing at one or both ends in the factory. The optical cable is applied to the subscriber line in the Fiber To The Home (FTTH) network in a large scale, and is also applicable to the optical cables of the subscriber line in the networks such as FTTO, FTTB and the like accessed by other optical fibers.

The prefabricated end butterfly-shaped lead-in optical cable is used for overhead and pipe penetrating outside an inner room of less than 50 meters and is required to be constructed and wired to a user's home by using pulling force. In the construction process, the optical cable or the connector is pulled, the connector and the butterfly-shaped lead-in optical cable are connected together in a riveting mode, and if excessive force is applied, the optical fiber in the connector is easily pulled off; the optical performance loss of the prefabricated end butterfly-shaped lead-in optical cable is increased or the optical fiber is broken, if the optical fiber is not found in time, the pulled-out optical cable is well distributed and the problem is found again, the wiring is required to be reworked again, the traditional mode is to search through a red light detection mode, one person is led to red light at one end, and the other person is used for observing whether the red light is led to light at the other end.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the prefabricated end butterfly-shaped lead-in optical cable with the visible state of the inner core optical fiber of the connector, which is convenient for observing the connection condition of the optical fiber and the connector.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the optical fiber connector comprises an optical cable wrapped with optical fibers, wherein the end part of the optical cable is provided with a connector, the connector comprises a shell, a ferrule connected with the optical fibers in the optical cable is arranged in the shell, the end part of the optical fibers is inserted into the ferrule, a transparent lantern ring for pressing the end parts of the optical fibers is arranged on the ferrule, and a window for observing the connection part of the optical fibers and the ferrule is arranged on the shell; the optical cable is sleeved with a sheath, one end of the sheath stretches into the shell and is in compression connection with the inner wall of the shell, the sheath comprises a connecting part and a protecting part, the connecting part stretches into the shell and is in interference fit with the inner wall of the shell, and the protecting part extends along the optical cable and gradually reduces in outer diameter.

As a preferable technical solution, the window is disposed on one side surface of the housing, and the window is a rectangular window extending along the length direction of the optical fiber.

As a preferable technical scheme, a transparent dust cover is arranged in the window.

As a preferable technical scheme, the dust cover is embedded in the window.

As a preferable technical scheme, the sheath is a rubber sheath.

Due to the adoption of the technical scheme, the prefabricated end butterfly-shaped lead-in optical cable with the visual optical fiber state of the inner core of the connector comprises an optical cable wrapped with optical fibers, the connector is arranged at the end part of the optical cable and comprises a shell, a ferrule connected with the optical fibers in the optical cable is arranged in the shell, the end part of the optical fibers is inserted into the ferrule, a transparent lantern ring for pressing the end parts of the optical fibers is arranged on the ferrule, and a window for observing the connection part of the optical fibers and the ferrule is arranged on the shell; the optical cable is sleeved with a sheath, one end of the sheath extends into the shell and is in compression connection with the inner wall of the shell, the sheath comprises a connecting part and a protecting part which are integrally formed, the connecting part extends into the shell and is in interference fit with the inner wall of the shell, and the protecting part extends along the optical cable and gradually reduces the outer diameter of the protecting part; the connection condition of the optical fiber and the connection part of the ferrule can be conveniently observed through the window, the occurrence of problems can be timely remedied, the problem can be avoided after the construction is completed, and a large number of invalid reworks can be avoided.

Drawings

The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model. Wherein:

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

FIG. 2 is a front view of an embodiment of the present utility model;

FIG. 3 is an enlarged view at I in FIG. 2;

in the figure: 1-an optical cable; 21-a housing; 22-inserting a core; 23-window; 3-sheath.

Detailed Description

The utility model is further illustrated in the following, in conjunction with the accompanying drawings and examples. In the following detailed description, certain exemplary embodiments of the present utility model are described by way of illustration only. It is needless to say that the person skilled in the art realizes that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive in scope.

As shown in fig. 1, 2 and 3, the prefabricated end butterfly-shaped lead-in optical cable with the visual optical fiber state of the inner core of the connector comprises an optical cable 1 wrapped with optical fibers, the end part of the optical cable 1 is provided with a connector, the connector comprises a shell 21, a ferrule 22 connected with the optical fibers in the optical cable 1 is arranged in the shell 21, the end part of the optical fibers is inserted into the ferrule 22, a transparent lantern ring (not shown in the figure) for pressing the end part of the optical fibers is arranged on the ferrule 22, and a window 23 for observing the connection part of the optical fibers and the ferrule 22 is arranged on the shell 21; the optical cable 1 is sleeved with a sheath 3, one end of the sheath 3 extends into the shell 21 and is in compression connection with the inner wall of the shell 21, the sheath 3 comprises a connecting part and a protecting part which are integrally formed, the connecting part extends into the shell 21 and is in interference fit with the inner wall of the shell 21, and the protecting part extends along the optical cable 1 and gradually reduces in outer diameter.

The window 23 is a rectangular window 23 extending along the length direction of the optical fiber; the window 23 may be configured in other ways so as not to obscure the connection between the optical fiber and the ferrule 22. For example, the window 23 may be configured in the shape of an arrow, the tip of the arrow pointing toward the connection end of the connector, providing an installation indication for the construction installation.

A transparent dust cover (not shown) is mounted in the window 23. The dust cap is embedded within the window 23. The outer surface of the dust cap is to be retracted inwardly relative to the outer surface of the housing 21 to prevent the dust cap from being scratched during the product transfer process, thereby affecting the visual effect.

The optical cable 1 is sleeved with a sheath 3, one end of which extends into the shell 21 and is in compression connection with the inner wall of the shell 21. The sheath 3 is made of a flexible material, neither too soft nor too hard, and may be made of a rubber material.

According to the method, the observation window 23 is reserved on the shell 21, the observation window 23 corresponds to the position of the connection position of the ferrule 22 and the optical fiber of the connector in the shell 21, the connection condition of the ferrule 22 and the optical fiber can be conveniently observed through the window 23, the prefabricated end butterfly-shaped lead-in optical cable 1 is used for observing whether the optical fiber at the ferrule 22 is still normally in the ferrule 22 or not in the construction wiring process through the observation window 23 of the connector, and whether the connector and the optical fiber crimping position fall off or not. As long as the two parts are normal, the situation that the connector of the prefabricated end butterfly-shaped lead-in optical cable 1 is not damaged in the construction process can be directly judged, and normal wiring can be realized, otherwise, the situation that the connection part of the optical fiber and the connector is damaged due to dragging in the wiring process is indicated, and the optical fiber connector is carefully protected in the later construction.

By adopting the optical fiber connector with the observable window 23, the procedure that the prefabricated end butterfly-shaped lead-in optical cable 1 needs to be detected by red light after construction and pulling can be omitted, equipment needed by red light detection is not needed to be purchased, the cost is saved, the labor needed by red light detection is saved, the installation state of the optical fiber in the connector of the prefabricated end butterfly-shaped lead-in optical cable 1 can be observed in real time in the construction process, the wiring pulling force used in the construction and pulling process can be measured in real time, scientific construction is realized, the construction efficiency is improved, and the construction cost is reduced.

The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a visual prefabrication of connector inner core optic fibre state becomes end butterfly-shaped lead-in cable, including the optical cable of parcel has optic fibre, the connector is installed to the tip of optical cable, its characterized in that: the connector comprises a shell, wherein an inserting core connected with an optical fiber in the optical cable is arranged in the shell, the end part of the optical fiber is inserted into the inserting core, a transparent lantern ring for pressing the end part of the optical fiber is arranged on the inserting core, and a window for observing the connection part of the optical fiber and the inserting core is arranged on the shell; the optical cable is sleeved with a sheath, one end of the sheath stretches into the shell and is in compression connection with the inner wall of the shell, the sheath comprises a connecting part and a protecting part, the connecting part stretches into the shell and is in interference fit with the inner wall of the shell, and the protecting part extends along the optical cable and gradually reduces in outer diameter.

2. The pre-formed end butterfly drop cable of claim 1 wherein the fiber status of the connector core is visual, wherein: the window is arranged on one side face of the shell, and the window is a rectangular window extending along the length direction of the optical fiber.

3. The pre-formed end butterfly drop cable of claim 1 wherein the fiber status of the connector core is visual, wherein: a transparent dust cover is arranged in the window.

4. A preformed end butterfly drop cable with visual status of the connector core fiber as claimed in claim 3, wherein: the dust cover is embedded in the window.

5. The pre-formed end butterfly drop cable of claim 1 wherein the fiber status of the connector core is visual, wherein: the sheath is a rubber sheath.