CN218213528U

CN218213528U - Miniature optical fiber connector

Info

Publication number: CN218213528U
Application number: CN202222337350.XU
Authority: CN
Inventors: 邓伟; 刘拥花; 李世杰
Original assignee: Huizhou Yongyi Technology Co ltd
Current assignee: Huizhou Yongyi Technology Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-01-03
Anticipated expiration: 2032-09-02

Abstract

The utility model belongs to the optical connection field, in particular to a miniature optical fiber connector, aiming at the problems that the existing connector is generally applied to rubber-insulated-wire optical cables and indoor and outdoor flexible optical cables, the wire diameter of the optical cable is generally larger than 2.0mm, but the application of 0.9mm, even 0.25mm optical fiber optical cables exists in the actual network in a large quantity; the optical cable fixing and compressing device has the advantages that the tensile and compression resistance is weak, the optical cable is difficult to fix and compress, and the problem that the optical cable cannot be wired in a narrow space due to the problems of volume and strength is solved, and the optical cable fixing and compressing device comprises a connector, a standard SC outer frame sleeve and a standard SC inner frame sleeve, wherein the connector is used for connecting optical fibers; a centering structure disposed inside the connector. The utility model discloses in because connector external diameter is less than 8.0mm, and one end is equipped with the traction hole, be convenient for like this poling and perforation, effectively solve current connector because of volume and the problem that intensity problem can't lay wire in narrow space, through the centering structure, can solve the optical cable and fix and compress tightly comparatively difficult problem.

Description

Miniature optical fiber connector

Technical Field

The utility model relates to an optical fiber connection technical field especially relates to a miniature fiber connector.

Background

As a communication transmission line medium, the difficulty of optical fiber connection is much higher than that of a communication cable, because an optical fiber main body is composed of glass fiber and is fragile and easy to break, the light passing part of effective connection is only 9 micrometers, and the centering error is required to be less than 1 micrometer during connection.

The prior art has the following problems:

1. at present, the field connector is generally applied to rubber-insulated optical cables and indoor and outdoor flexible optical cables, the diameter of the optical cable is generally larger than 2.0mm, but a large amount of optical fiber cables with the diameter of 0.9mm or even 0.25mm exist in an actual network;

2. tensile and compressive capacity is very weak, and the optical cable is fixed and is compressed tightly comparatively difficultly, can't lay wire in narrow space because of volume and intensity problem.

To the above problem, the utility model discloses the file provides a miniature fiber connector for solve the above-mentioned problem that provides.

SUMMERY OF THE UTILITY MODEL

The utility model provides a micro optical fiber connector, which solves the problems that the existing connector is generally applied to rubber-insulated-wire optical cables and indoor and outdoor soft optical cables in the prior art, the wire diameter of the optical cable is generally larger than 2.0mm, but the application of optical fiber cables with 0.9mm or even 0.25mm exists in the actual network in large quantity; the tensile and compression resistance is very weak, the optical cable is difficult to fix and compress, and the wiring in a narrow space cannot be realized due to the problems of volume and strength.

The utility model provides a following technical scheme:

a miniature fiber optic connector comprising:

the connector is used for connecting optical fibers;

a centering structure disposed inside the connector;

a traction structure disposed inside the connector and connected with the centering structure.

In one possible design, the outer diameter of the connector is less than 8.0mm, and one end of the connector is provided with a pull hole.

In one possible design, the centering structure comprises a ceramic ferrule, a tail handle, a stop ring and a crimping ring, wherein a plug hole is formed in the ceramic ferrule, the ceramic ferrule is fastened in the tail handle, the tail handle is connected with the stop ring, the crimping ring is connected with the stop ring, and the tail handle and the crimping ring partially compress the optical cable together.

In one possible design, the traction structure comprises a body, a rotary body and a brake block, which are fastened to each other and assembled to the body.

In one possible design, the rotor and the brake pads are spaced from the body.

In one possible design, the body is threadedly connected to the stop ring.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

The utility model provides a beneficial effect does:

the utility model discloses in, the pottery lock pin passes through the spliced eye fastening on the caudal peduncle, then be connected caudal peduncle and snap ring, be connected crimping ring and snap ring, partial pressure cable can be common through caudal peduncle and crimping ring like this, through with rotator and brake pads interconnect and assemble to main part department after that, and rotator and brake pads leave the clearance with the main part junction, can make rotator and brake pads do relative motion in main part department like this, then screw main part and snap ring through the screw thread, can accomplish connector equipment like this.

The utility model discloses in, the connector is when implementing the preparation, the optical cable passes the crimping ring, check ring and caudal peduncle, then reach the ceramic lock pin, and the location gets into the ceramic lock pin, the optic fibre of optical cable is in epoxy toasts under the high temperature, be fixed in the ceramic lock pin permanently, the optical cable is fixed by check ring and crimping ring, because connector external diameter is less than 8.0mm, and one end is equipped with the traction hole, be convenient for like this and wear the pipe and perforate, effectively solve current connector because of the unable problem of wiring in narrow space of volume and intensity problem.

The utility model discloses in because the connector external diameter is less than 8.0mm, and one end is equipped with the traction hole, be convenient for poling and perforation like this, effectively solve current connector because of volume and the problem that intensity problem can't lay wire in narrow space, through the centering structure, can solve the optical cable and fix and compress tightly comparatively difficult problem.

Drawings

Fig. 1 is a schematic perspective view of a micro optical fiber connector according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a micro optical fiber connector according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an optical cable pulling structure of a micro optical fiber connector according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a centering structure of a micro optical fiber connector according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an assembled finished product after completion of traction construction of a micro optical fiber connector according to an embodiment of the present invention;

fig. 6 is an exploded schematic view of fig. 4 of a micro optical fiber connector according to an embodiment of the present invention.

Reference numerals:

1. a centering structure; 1-1, ceramic ferrule; 1-2, a tail handle; 1-3, a stop ring; 1-4, a crimping ring; 2. a traction structure; 2-1, a main body; 2-2, a rotating body; 2-3, brake blocks; 3. a connector; 4. a standard SC outer frame sleeve; 5. standard SC inner frame cover.

Detailed Description

The embodiments of the present invention will be described below with reference to the drawings.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "mounted" are to be interpreted broadly, for example, the terms "connected" may or may not be detachably connected; may be directly connected or indirectly connected through an intermediate. Further, "communication" may be direct communication or indirect communication through an intermediary. The term "fixed" means that they are connected to each other and their relative positional relationship is not changed after the connection. The directional terms used in the embodiments of the present invention, such as "inner", "outer", "top", "bottom", etc., are merely directions referring to the drawings, and therefore, the directional terms used are intended to better and more clearly illustrate and understand the embodiments of the present invention, rather than to indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention.

In the embodiments of the present invention, the terms "first" and "second" 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 embodiment of the present invention, "and/or" is only an association relationship describing an associated object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather mean "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless otherwise specifically stated.

Example 1

Referring to fig. 1, 5 and 6, a miniature fiber optic connector comprises:

the connector 3 is used for connecting optical fibers, and comprises a connector 3, a standard SC outer frame sleeve 4 and a standard SC inner frame sleeve 5;

a centering structure 1, arranged inside the connector 3;

a traction structure 2, the traction structure 2 is arranged inside the connector 3 and is connected with the centering structure 1.

Among the above-mentioned technical scheme, through centering structure, can solve the fixed comparatively difficult problem that compresses tightly of optical cable.

Referring to fig. 4, the centering structure 1 comprises a ceramic ferrule 1-1, a tail handle 1-2, a stop ring 1-3 and a crimping ring 1-4, a plug hole is formed in the ceramic ferrule 1-1, the ceramic ferrule 1-1 is fastened in the tail handle 1-2, the tail handle 1-2 is connected with the stop ring 1-3, the crimping ring 1-4 is connected with the stop ring 1-3, and the tail handle 1-2 and the crimping ring 1-4 partially compress an optical cable together.

In the technical scheme, the optical cable penetrates through the compression joint ring 1-4, the stop ring 1-3 and the tail handle 1-2 and then reaches the ceramic ferrule 1-1 and is positioned to enter the ceramic ferrule 1-1, the optical fiber of the optical cable is permanently fixed in the ceramic ferrule 1-1 under the high-temperature baking of epoxy resin, and the optical cable is fixed by the stop ring 1-3 and the compression joint ring 1-4.

Referring to fig. 3, the traction structure 2 includes a main body 2-1, a rotating body 2-2, and a brake shoe 2-3, and the rotating body 2-2 and the brake shoe 2-3 are fastened to each other and assembled to the main body 2-1.

In the above technical solution, the traction structure 2 can be assembled by connecting the rotating body 2-2 and the brake block 2-3 to each other and assembling them to the main body 2-1.

Example 2

Referring to fig. 1, 5 and 6, a miniature fiber optic connector comprises:

a centering structure 1, arranged inside the connector 3;

Among the above-mentioned technical scheme, through the centering structure, can solve the fixed comparatively difficult problem that compresses tightly of optical cable.

Referring to fig. 4, the centering structure 1 comprises a ceramic ferrule 1-1, a tail handle 1-2, a stop ring 1-3 and a crimping ring 1-4, wherein a splicing hole is formed in the ceramic ferrule 1-1, the ceramic ferrule 1-1 is fastened in the tail handle 1-2, the tail handle 1-2 is connected with the stop ring 1-3, the crimping ring 1-4 is connected with the stop ring 1-3, and the tail handle 1-2 and the crimping ring 1-4 partially compress an optical cable together.

Referring to fig. 3, the traction structure 2 includes a main body 2-1, a rotating body 2-2 and a brake shoe 2-3, and the rotating body 2-2 and the brake shoe 2-3 are fastened to each other and assembled to the main body 2-1.

Referring to fig. 1, the outer diameter of the connector 3 is less than 8.0mm, and one end of the connector 3 is provided with a drawing hole.

Among the above-mentioned technical scheme, because 3 connector external diameters of connector are less than 8.0mm, and one end is equipped with the traction hole, be convenient for poling and perforation like this, effectively solve current connector 3 because of the unable problem of wiring in narrow space of volume and intensity problem.

Referring to fig. 2, the rotating body 2-2 and the brake pads 2-3 are spaced apart from the main body 2-1.

In the technical scheme, a gap is reserved at the joint of the rotating body 2-2 and the brake block 2-3 and the main body 2-1, so that the rotating body 2-2 and the brake block 2-3 can move relatively at the main body 2-1.

Referring to fig. 2, the body 2-1 is threadedly coupled to the snap ring 1-3, and the connector 3 with the towing structure 2 is assembled by threadedly tightening the body 2-1 and the snap ring 1-3. Therefore, the problem of sprain of the optical cable caused by rotation of the connector 3 in actual construction can be solved.

The working principle and the using process of the technical scheme are as follows: firstly, a ceramic ferrule 1-1 is fastened on a tail handle 1-2 through a plug hole, then the tail handle 1-2 is connected with a stop ring 1-3, a compression ring 1-4 is connected with the stop ring 1-3, so that the optical cable can be partially compressed by the tail handle 1-2 and the compression ring 1-4 together, then a rotator 2-2 and a brake block 2-3 are connected with each other and assembled at a main body 2-1, and a gap is reserved at the joint of the rotator 2-2 and the brake block 2-3 and the main body 2-1, so that the rotator 2-2 and the brake block 2-3 can make relative movement at the main body 2-1, and then the main body 2-1 and the stop ring 1-3 are screwed tightly through threads, so that the connector 3 can be assembled;

when the connector 3 is manufactured, an optical cable penetrates through the compression joint ring 1-4, the stop ring 1-3 and the tail handle 1-2 and then reaches the ferrule 1-1 and is positioned to enter the ferrule 1-1, the optical fiber of the optical cable is permanently fixed in the ferrule 1-1 under the high-temperature baking of epoxy resin, the optical cable is fixed by the stop ring 1-3 and the compression joint ring 1-4, the outer diameter of the connector 3 is smaller than 8.0mm, and one end of the connector is provided with a traction hole, so that the pipe penetration and the perforation are facilitated, the problem that the existing connector 3 cannot be wired in a narrow space due to the size and strength problems is effectively solved, when the pipe penetration and perforation construction are carried out, the connector 3 can be pulled to penetrate through a pipe hole only by utilizing the traction mechanism 2 to indicate one end hole, the pipe penetration is carried out, and after the construction and the perforation is finished, only the standard SC inner frame sleeve 4 and the standard SC outer frame sleeve 5 are required to be assembled in sequence.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention; without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A miniature fiber optic connector, comprising:

the connector (3) is used for connecting optical fibers, and comprises a connector (3), a standard SC outer frame sleeve (4) and a standard SC inner frame sleeve (5);

-a centering structure (1) arranged inside the connector (3);

the traction structure (2) is arranged inside the connector (3) and connected with the centering structure (1).

2. The miniature optical fiber connector according to claim 1, wherein an outer diameter of said connector (3) is less than 8.0mm, and a drawing hole is formed at one end of said connector (3).

3. The miniature optical fiber connector according to claim 1, wherein the centering structure (1) comprises a ferrule (1-1), a tail handle (1-2), a stop ring (1-3) and a crimp ring (1-4), the ferrule (1-1) is provided with a plug hole, the ferrule (1-1) is fastened in the tail handle (1-2), the tail handle (1-2) is connected with the stop ring (1-3), the crimp ring (1-4) is connected with the stop ring (1-3), and the tail handle (1-2) and the crimp ring (1-4) jointly partially crimp the optical cable.

4. A miniature optical fiber connector according to any of claims 1-3, wherein said pulling structure (2) comprises a main body (2-1), a rotating body (2-2) and a brake block (2-3), said rotating body (2-2) and brake block (2-3) being fastened to each other and assembled to the main body (2-1).

5. The miniature optical fiber connector according to claim 4, wherein the rotating body (2-2) and the brake block (2-3) are spaced from the main body (2-1).

6. The miniature optical fiber connector of claim 4, wherein said body (2-1) is threadably connected to a stop ring (1-3).