CN215895029U

CN215895029U - Anti-drop ceramic ferrule

Info

Publication number: CN215895029U
Application number: CN202122446583.9U
Authority: CN
Inventors: 何奎德
Original assignee: Yingtan Mingkang Communication Technology Co ltd
Current assignee: Yingtan Mingkang Communication Technology Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-22
Anticipated expiration: 2031-10-11

Abstract

The utility model provides an anti-drop ceramic ferrule, which comprises an optical fiber, a tailstock and a ceramic ferrule, wherein a through hole is formed in the tailstock, the optical fiber and the ceramic ferrule are connected end to end in the through hole, a convex tooth is arranged on the inner wall of one end, far away from the ceramic ferrule, of the through hole, the tail end of the convex tooth is flush with the inner wall of the front section of the through hole, a spring is arranged between the convex tooth and the optical fiber, the outer side of the spring is matched with the inner side of the convex tooth and clings to the inner side of the convex tooth, and the inner side of the spring abuts against the outer surface of the optical fiber. According to the utility model, the spring is arranged between the optical fiber and the tailstock, and the convex teeth matched with the spring are arranged on the inner wall of the through hole of the tailstock, so that on one hand, a certain pressure is applied to the optical fiber to clamp the optical fiber, and on the other hand, the adhesive force of glue is improved through the convex structure to prevent the optical fiber from loosening.

Description

Anti-drop ceramic ferrule

Technical Field

The utility model relates to the field of optical communication, in particular to an anti-drop ceramic ferrule.

Background

Optical cables are commonly used in the telecommunications field and, in use, it is often necessary to provide end handles at the beginning and end to facilitate the connection. In the prior art, the tailstock usually achieves the fixing purpose by inserting an optical fiber, injecting glue and performing high-temperature curing.

Be the plain noodles between traditional tailstock hole and the optical fiber core, and the clearance of optical fiber core and tailstock hole is less, and this glue after making the solidification can appear two kinds of phenomena and drop bad phenomenon carrying out reliability test like high temperature and high humidity, TC, tensile test etc. one kind is that partial optic fibre drops out from the glue the inside that the solidification is good, and second optic fibre drops out from tailstock hole the inside together with gluing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide an anti-drop ceramic ferrule which has the function of preventing an optical fiber from dropping from a tailstock. In order to achieve the purpose, the utility model adopts the following technical scheme:

(II) technical scheme

The utility model provides an anticreep pottery lock pin, includes optic fibre, tailstock, pottery lock pin, be equipped with the through-hole in the tailstock, optic fibre and pottery lock pin are in end to end in the through-hole, the through-hole is kept away from the inner wall of pottery lock pin one end is equipped with the dogtooth, the dogtooth end with through-hole anterior segment inner wall parallel and level, be equipped with the spring between dogtooth and the optic fibre, the spring outside with the dogtooth inboard matches each other and hugs closely, the spring inboard supports the optic fibre surface.

Furthermore, the convex teeth are distributed in the tailstock in an annular mode, and the spring is cylindrical.

Furthermore, a plurality of glue permeating holes are formed in the protruding positions of the side walls of the springs.

Further, the inner diameter of the through hole end of the tailstock is between the inner diameter and the outer diameter of the spring.

(III) advantageous effects

Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically, the spring is arranged between the optical fiber and the tailstock, and the convex teeth matched with the spring are arranged on the inner wall of the through hole of the tailstock, so that on one hand, a certain pressure is applied to the optical fiber to clamp the optical fiber, and on the other hand, the adhesive force of glue is improved through the convex structure to prevent the optical fiber from loosening; the spring is the tube-shape, reduces the assembly step when guaranteeing that optic fibre atress is even, simultaneously spring lateral wall arch department is equipped with a plurality of glue holes to in can making glue full of the through-hole in the encapsulating, guarantee optical fiber connection's stability.

Drawings

The utility model will be further described with reference to the following examples with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the spring before installation;

fig. 3 is a perspective view of the spring.

The reference numbers illustrate:

1. an optical fiber;	2. a tailstock;
		21. a through hole;	22. a convex tooth;
3. a ceramic ferrule;	4. a spring;
		41. and (6) glue permeating holes.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to 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 defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model is further described with reference to the following detailed description and accompanying drawings.

Referring to fig. 1 to 3, an anti-drop ferrule includes an optical fiber 1, a tailstock 2, and a ferrule 3, where a through hole 21 is formed in the tailstock 2, the optical fiber 1 and the ferrule 3 are connected end to end in the through hole 21, a protruding tooth 22 is formed on an inner wall of the through hole 21, the end of the protruding tooth 22 is flush with an inner wall of a front section of the through hole 21, a spring 4 is disposed between the protruding tooth 22 and the optical fiber 1, an outer side of the spring 4 is matched with and tightly attached to an inner side of the protruding tooth 22, so as to effectively prevent the spring 4 from falling out, and an inner side of the spring 4 abuts against an outer surface of the optical fiber 1, so as to apply a certain pressure to the optical fiber 1, thereby enabling the optical fiber to be clamped, and improve an adhesive force of glue through a protruding structure, thereby preventing loosening.

Preferably, in order to conveniently install the spring 4, the convex teeth 22 are annularly distributed in the tailstock 2, and the spring 4 is cylindrical, so that the assembly steps are reduced while the optical fiber 1 is uniformly stressed.

It is worth mentioning that the inner diameter of the end of the through hole 21 of the tailstock 2 is between the inner diameter and the outer diameter of the spring 4, so that the spring 4 can be conveniently placed in the through hole and prevented from falling out.

It should be noted that, a plurality of glue holes 41 are formed at the protruding part of the side wall of the spring 4, so that the through hole 21 can be filled with glue during glue filling, and the connection stability of the optical fiber 1 is ensured.

The design key points of the utility model lie in that a spring is arranged between the optical fiber and the tailstock, and the inner wall of the through hole of the tailstock is provided with a convex tooth matched with the spring, so that on one hand, a certain pressure is applied to the optical fiber to clamp the optical fiber, and on the other hand, the adhesive force of glue is improved through the convex structure to prevent the optical fiber from loosening.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides an anticreep pottery lock pin, includes optic fibre (1), tailstock (2), pottery lock pin (3), be equipped with through-hole (21) in tailstock (2), optic fibre (1) and pottery lock pin (3) are in end to end in through-hole (21), its characterized in that: keep away from through-hole (21) the inner wall of ceramic lock pin (3) one end is equipped with dogtooth (22), dogtooth (22) end with through-hole (21) anterior segment inner wall parallel and level, be equipped with spring (4) between dogtooth (22) and optic fibre (1), the spring (4) outside with dogtooth (22) inboard matches each other and hugs closely, spring (4) inboard is supported optic fibre (1) surface.

2. The anti-drop ferrule of claim 1, wherein: the convex teeth (22) are distributed in the tailstock (2) in an annular mode, and the spring (4) is cylindrical.

3. The anti-drop ferrule of claim 2, wherein: and a plurality of gel permeation holes (41) are formed in the protruding positions of the side wall of the spring (4).

4. The anti-drop ferrule of claim 2, wherein: the inner diameter of the tail end of the through hole (21) of the tailstock (2) is between the inner diameter and the outer diameter of the spring (4).