CN218567696U

CN218567696U - Optical cable divides fine flexible support connection structure

Info

Publication number: CN218567696U
Application number: CN202223057805.9U
Authority: CN
Inventors: 陈俊杰
Original assignee: Shenzhen Hengjie Optical Communication Technology Co ltd
Current assignee: Shenzhen Hengjie Optical Communication Technology Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-03
Anticipated expiration: 2032-11-17

Abstract

The utility model relates to an optical cable divides fine flexible support connection structure. Connection structure includes inner tube and clamping ring, be equipped with the fibre core in the main optical cable, first tensile component and first coating, it is equipped with the second tensile component to divide the optical cable, the fibre core in the main optical cable extends to in each divides the optical cable respectively, the inner tube inserts between the fibre core of main optical cable and the first tensile component from the butt joint end of main optical cable, the fibre core of main optical cable all runs through from the inner tube, the clamping ring cover is outside first coating, the second tensile component extends to between first coating and the clamping ring, the clamping ring is with the second tensile component, first coating and first tensile component compress tightly in the inner tube. The utility model discloses a no armour pipe's main optical cable and many divide the connection between the optical cable, can not harm the fibre core simultaneously, have also guaranteed main optical cable and have divided the joint strength between the optical cable, have satisfied the demand of dividing the fine.

Description

Optical cable divides fine flexible support connection structure

Technical Field

The utility model relates to an optical fiber equipment, the more specifically optic cable divides fine flexible support connection structure that says so.

Background

Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is a communication line which is formed by a certain number of optical fibers forming a cable core according to a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. The optical cable is divided into a multi-core optical cable and a single-core optical cable, the optical cable divides the optical fiber to be gradually converted into the single-core optical cable from the multi-core optical cable, and the connection structure of the divided optical fiber needs to ensure the integral tensile strength of the optical cable. Some main optical cables are not provided with built-in armored pipes, and optical cable is provided with built-in armored pipes, so that a connection structure between the main optical cable and a plurality of optical cable branches in the prior art is not developed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical cable divides fine flexible support connection structure to realize not having the main optical cable of armour pipe and many to divide being connected between the optical cable.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an optical cable divides fine flexible support connection structure, it is used for connecting main optical cable and at least two branch optical cables, connection structure includes inner tube and clamping ring, be equipped with the fibre core in the main optical cable, first tensile component and first cladding, it is equipped with the second and resists tensile component to divide the optical cable, the fibre core in the main optical cable extends to respectively in dividing the optical cable, the inner tube inserts between the fibre core and the first tensile component of main optical cable from the butt joint end of main optical cable, the fibre core of main optical cable all runs through from the inner tube, the clamping ring cover is outside first cladding, the second is resisted tensile component and is extended to between first cladding and the clamping ring, the clamping ring is resisted tensile component with the second, first cladding and first tensile component compress tightly in the inner tube.

Further, the inner pipe is a spiral armored pipe.

Further, the clamping ring is made of copper.

Further, the inner tube length is no greater than 20CM.

Furthermore, the connection structure further comprises an outer protective sleeve, the butt joint end of the main optical cable is inserted into one end of the outer protective sleeve, the optical splitting cable is inserted into the other end of the outer protective sleeve, and the outer protective sleeve covers the second tensile element and the press ring.

Furthermore, a heat shrinkable tube is sleeved outside the outer protective sleeve.

Compared with the prior art, the utility model beneficial effect be: insert in the main optical cable and compress tightly first tensile component and second tensile component with outside clamping ring through the inner tube and form the connection, therefore realized the main optical cable that does not have the armour pipe and many branch optical cables between be connected, can not harm the fibre core simultaneously, also guaranteed the joint strength between main optical cable and the branch optical cable, satisfied the demand of dividing the fine.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are specifically exemplified below, and detailed description is provided below.

Drawings

Fig. 1 is a cross-sectional view of the connection structure of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides an optic cable divides fine flexible support connection structure, and its concrete structure is shown as figure 1. The connection structure is used to connect a main cable 10 and at least two drop cables 20. The main optical cable 10 is provided with a fiber core 11, a first tensile member 12 and a first coating layer 13 from inside to outside, and the fiber cores 11 in the main optical cable 10 extend to the fiber cores 11 of the branch optical cables 20 as the branch optical cables 20. The number of cores 11 of the main cable 10 is not limited, and the number of cores 11 may be 12, 48, or 96, for example. The number of the optical drop cables 20 can be determined according to practical requirements, for example, two fiber cores 11 form one optical drop cable 20, and the main optical cable 10 can separate 6 optical drop cables 20 if there are 12 fiber cores. The first tensile element 12 is an aramid strand.

As shown in fig. 1, the connecting structure includes an inner tube 31 and a pressing ring 32, and the inner tube 31 and the pressing ring 32 should be made of metal. The inner tube 31 is inserted between the core 11 of the main cable 10 and the first tensile member 12 from the butt end of the main cable 10, and the core 11 of the main cable 10 is penetrated through the inner tube 31. The drop cable 20 is provided with a second tensile element 22, and the second tensile element 22 is an aramid fiber bundle. The press ring 32 is sleeved outside the first cladding 13, the second tensile element 22 extends between the first cladding 13 and the press ring 32, and the press ring 32 presses the second tensile element 22, the first cladding 13 and the first tensile element 12 onto the inner tube 31, that is, the second tensile element 22, the first cladding 13 and the first tensile element 12 are pressed by the press ring 32 and the inner tube 31 from the inner side and the outer side, so that the second tensile element 22 and the first tensile element 12 form a firm connection, and the main cable 10 and the branch cable 20 form a firm connection.

In the present embodiment, the inner tube 31 is a spiral armor tube formed by winding a single steel wire. Therefore, the main optical cable 10 inserted into the inner tube 31 also has flexibility and can be bent to a certain degree, thereby ensuring the flexibility of the main optical cable 10. In this embodiment, the length of the inner tube 31 is not greater than 20CM, the length range of the press ring 32 is 4-5mm, and the press ring 32 needs to be installed outside the position of the main optical cable 10 corresponding to the inner tube 31, so the installation position range of the press ring 32 on the main optical cable 10 is wider, and the installation difficulty is reduced.

In the present embodiment, the press ring 32 is made of copper, and the purpose is to enable the press ring 32 to be more easily deformed to press the second tensile member 22 when a radial force is applied to the press ring 32. In fig. 1, the number of the pressing rings 32 is only 1, and in other embodiments, the number of the pressing rings 32 may also be more than 1, and the pressing rings are arranged along the length direction of the inner tube 31.

In addition, as shown in fig. 1, the connection structure further comprises an outer sheath 33, and a heat shrinkable tube 34 is sleeved outside the outer sheath 33. The butt end of the primary cable 10 is inserted into one end of the outer protective jacket 33 and the drop cable 20 is inserted into the other end of the outer protective jacket 33, the outer protective jacket 33 covering the secondary tensile elements 22 and the crimp ring 32. The outer protective sheath 33 may be made of PE, PVC, etc.

The utility model discloses a connection structure inserts in the main optical cable 10 through inner tube 31 and compresses tightly first tensile component 12 and second tensile component 22 with outside clamping ring 32 and form the connection, therefore realized not having the main optical cable 10 of armour pipe and many branch optical cable 20 between be connected, can not harm fibre core 11 simultaneously, has also guaranteed the joint strength between main optical cable 10 and the branch optical cable 20, has satisfied the demand of dividing the fine.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. The utility model provides an optical cable divides fine flexible support connection structure, its characterized in that, it is used for connecting main optical cable and at least two branch optical cables, connection structure includes inner tube and at least one clamping ring, be equipped with fibre core, first tensile element and first coating in the main optical cable, it is equipped with the second and resists the tensile element to divide the optical cable, fibre core in the main optical cable extends to each branch optical cable respectively in, the inner tube inserts from the butt joint end of main optical cable between the fibre core of main optical cable and the first tensile element, the fibre core of main optical cable all runs through from the inner tube, the clamping ring cover is outside first coating, the second is resisted the tensile element and is extended to between first coating and the clamping ring, the clamping ring with the second resist tensile element, first coating and first tensile element compress tightly in the inner tube.

2. The optical cable distribution flexible support connection structure of claim 1, wherein the inner tube is a spiral armor tube.

3. The optical cable fiber-splitting flexible support connection structure of claim 1, wherein the press ring is made of copper.

4. The optical cable fiber-splitting flexible support connection structure of claim 1, wherein the length of the inner tube is not more than 20CM, and the length of the press ring ranges from 4 mm to 5mm.

5. The optical cable distribution flexible support connection structure of claim 1, further comprising an outer protective jacket, wherein the butt end of the primary cable is inserted into one end of the outer protective jacket, and the distribution cable is inserted into the other end of the outer protective jacket, and wherein the outer protective jacket covers the secondary tensile member and the crimp ring.

6. The cable split flexible support connection structure of claim 5, wherein a heat shrinkable tube is further sheathed outside the outer protective sheath.