CN213091938U

CN213091938U - Optical fiber connector convenient to replace

Info

Publication number: CN213091938U
Application number: CN202021221905.9U
Authority: CN
Inventors: 蓝晓宏
Original assignee: Shanghai Huahong Intelligent Technology Co ltd
Current assignee: Shanghai Huahong Intelligent Technology Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-04-30
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a convenient fiber connector who changes belongs to fiber connector technical field. The device comprises a butt plug, an elastic release key, a U-shaped plug, a contact pin, a plug core, a sleeve and a metal column tube; an elastic buckle is integrally formed above the front end of the butt plug, an elastic release button is sleeved at the rear end of the butt plug, the free end of the elastic release button is arranged above the free end of the elastic buckle, a plug hole into which the U-shaped plug can be inserted is formed in one side of the butt plug, and hanging grooves are formed in two sides of the rear end of the butt plug; when the U-shaped plug is inserted into the plug hole, the U-shaped plug sequentially enters a gap between the butt joint pipe and the limiting ring from the narrow part to the wide part, and the U-shaped plug enables the lantern ring to compress the spring through moving, so that the elastic core strip locked by the lantern ring is opened. The plug hole is formed in the side face of the butt joint plug, so that the U-shaped plug can be inserted, the spring can be compressed through the U-shaped plug, the plug core elastic core strip locked by the lantern ring is opened, and the optical fiber is convenient to replace.

Description

Optical fiber connector convenient to replace

Technical Field

The utility model relates to a convenient fiber connector who changes belongs to fiber connector technical field.

Background

The optical fiber connector is a device for making detachable (movable) connection between optical fibers, and precisely butt-joints two end faces of the optical fibers so as to maximally couple the light energy output by the transmitting optical fiber into the receiving optical fiber and minimize the influence on the system caused by the optical fiber connector intervening in an optical link, which is the basic requirement of the optical fiber connector, and the reliability and various performances of an optical transmission system are influenced to a certain extent by the optical fiber connector. When the existing optical fiber adapter is assembled with the optical fiber inserting core, the operation is complex, the optical fiber is troublesome to replace, and the optical fiber is easy to be damaged during replacement.

Disclosure of Invention

The utility model discloses the technical problem that will solve lies in: the utility model provides a convenient optical fiber connector who changes, it has solved the inconvenient optic fibre of changing of optical fiber connector in prior art, leads to the easy problem of damaging when changing light.

The utility model discloses the technical problem that will solve takes following technical scheme to realize:

a fiber connector convenient to replace comprises a butt plug, an elastic release button, a U-shaped plug, a contact pin, a ferrule, a sleeve and a metal column tube;

an elastic buckle is integrally formed above the front end of the butt plug, an elastic release button is sleeved at the rear end of the butt plug, the free end of the elastic release button is arranged above the free end of the elastic buckle, a plug hole into which the U-shaped plug can be inserted is formed in one side of the butt plug, and hanging grooves are formed in two sides of the rear end of the butt plug;

the contact pin is inserted into the butt joint plug and consists of a needle head, a limiting pipe and a butt joint pipe which are sequentially butted;

the optical fiber connector comprises an optical fiber connector body, an optical fiber connector body and an optical fiber connector body, wherein the optical fiber connector body is provided with an optical fiber connector body;

the lantern ring locks the elastic core bars, the lantern ring is formed by integrating a butt ring and a limiting ring, and the limiting ring is in contact with one end of the spring and has a diameter larger than that of the spring;

the sleeve and the tail part of the insertion core are connected and inserted into and penetrate through the metal column pipe;

the spring is compressed by the column head of the metal column tube, so that a lantern ring sleeved in front of the spring is driven by elasticity to be inserted into the butt joint tube of the contact pin, and the column head of the metal column tube is clamped in a hanging groove at the rear end of the butt joint plug;

when the U-shaped plug is inserted into the plug hole, the U-shaped plug sequentially enters a gap between the butt joint pipe and the limiting ring from the narrow part to the wide part, and the U-shaped plug enables the lantern ring to compress the spring through moving, so that the elastic core strip locked by the lantern ring is opened.

As a preferred example, the U-shaped plug is of an elastomeric construction.

As a preferred example, the ferrule is provided with three elastic core strips, the heads of the three elastic core strips are just limited in the butting ring after being polymerized, and the tails of the three elastic core strips are fixed by the constraint tube; the rear end of the restraint pipe is connected with a butt joint which is fixedly connected with one end of the sleeve.

As a preferred example, a limit snap ring is sleeved on the metal column tube, and the limit snap ring limits the rear end of the metal column tube to the outside of the butt plug.

As a preferred example, a protective sleeve is connected to the rear end of the docking plug.

The utility model has the advantages that:

(1) the plug hole is formed in the side face of the butt joint plug, so that the U-shaped plug can be inserted, the spring can be compressed through the U-shaped plug, and the plug core elastic core strip locked by the lantern ring is opened, so that the optical fiber is convenient to replace;

(2) the U-shaped plug is made of elastic materials, so that the U-shaped plug is not easy to damage when being inserted into the plug hole to compress the spring;

(3) a limiting snap ring is further sleeved on the metal column tube, the limiting snap ring limits the rear end of the metal column tube to the outside of the butt plug, and the rear end of a column body of the metal column tube is prevented from being inserted into the butt plug due to misoperation during installation of the metal column tube;

(4) by connecting the protective sleeve at the rear end of the docking plug, dust and the like are prevented from entering the connector to cause adverse effects.

Drawings

Fig. 1 is a schematic view of the three-dimensional split structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of another perspective structure of the present invention;

FIG. 4 is a schematic view of a portion of the structure of FIG. 2 taken along line A-A;

fig. 5 is a schematic view of the structure of the contact pin of the present invention;

FIG. 6 is a cross-sectional view of the pin;

FIG. 7 is a schematic view of the transparent structure of FIG. 3 with the plug not inserted;

FIG. 8 is a schematic view of the transparent structure of the plug inserted into the receptacle;

FIG. 9 is a schematic view of the ferrule of the present invention;

fig. 10 is a schematic structural view of the metal column tube of the present invention;

in the figure: the plug comprises a butt plug 1, an elastic buckle 11, a plug hole 12, a hanging groove 13, an elastic release key 2, a U-shaped plug 3, a wide part 31, a narrow part 32, a contact pin 4, a needle 41, a limiting pipe 42, a butt pipe 43, a plug core 5, an elastic core strip 51, a lantern ring 52, a butt ring 521, a limiting ring 522, a spring 53, a restraining pipe 54, a butt joint 55, a sleeve 6, a metal column pipe 7, a column head 71, a limiting snap ring 72 and a protective sleeve 8.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.

As shown in fig. 1-10, an optical fiber connector convenient for replacement comprises a butt plug 1, an elastic release button 2, a U-shaped plug 3, a pin 4, a ferrule 5, a sleeve 6 and a metal column tube 7;

an elastic buckle 11 is integrally formed above the front end of the butt plug 1, an elastic release button 2 is sleeved at the rear end of the butt plug 1, the free end of the elastic release button 2 is arranged above the free end of the elastic buckle 11, a plug hole 12 into which the U-shaped plug 3 can be inserted is formed in one side of the butt plug 1, and hanging grooves 13 are formed in two sides of the rear end of the butt plug 1;

the contact pin 4 is inserted into the butt-joint plug 1, and the contact pin 4 is formed by sequentially butting a needle head 41, a limiting pipe 42 and a butt-joint pipe 43;

the ferrule 5 comprises elastic core strips 51, a plurality of elastic core strips 51 can wrap the optical fiber in the middle, a lantern ring 52 and a spring 53 are sleeved outside the elastic core strips 51, and the tail part of the ferrule 5 is connected with the sleeve 6;

the lantern ring 52 locks the elastic core bars 51, the lantern ring 52 is formed by integrating the butting ring 521 and the limiting ring 522, the limiting ring 522 is in contact with one end of the spring 53, and the diameter of the limiting ring 522 is larger than that of the spring 53;

the sleeve 6 is connected with the tail part of the inserting core 5 and inserted into and penetrates through the metal column tube 7;

the post head 71 of the metal post tube 7 compresses the spring 53, so that the lantern ring sleeved in front of the spring 53 is driven by elasticity to be inserted into the butt joint tube 43 of the contact pin 4, and the post head 71 of the metal post tube 7 is clamped in the hanging groove 13 at the rear end of the butt joint plug 1;

when the U-shaped plug 3 is inserted into the plug hole 12, the U-shaped plug 3 enters the gap between the butt pipe 43 and the limit ring 522 from the narrow part 32 to the wide part 31, and the elastic core strip 51 locked by the collar 52 is opened by the U-shaped plug 3 moving to make the collar 52 compress the spring 53.

The U-shaped plug 3 is of an elastomeric construction.

The ferrule 5 is provided with three elastic core strips 51, the heads of the three elastic core strips 51 are just limited in the butting ring 521 after polymerization, and the tails of the three elastic core strips 51 are fixed by the restraining tube 54; the rear end of the restraint pipe 54 is connected with an abutment 55, and the abutment 55 is fixedly connected with one end of the sleeve 6.

A limiting snap ring 72 is further sleeved on the metal column tube 7, and the rear end of the metal column tube 7 is limited outside the butt plug 1 by the limiting snap ring 72.

The rear end of the butt plug 1 is connected with a protective sleeve 8.

The working principle is as follows:

when the optical fiber needs to be replaced, the U-shaped plug 3 is inserted into the plug hole 12, the U-shaped plug 3 sequentially enters a gap between the butt joint pipe 43 and the limiting circular ring 522 from the narrow part 32 to the wide part 31, the U-shaped plug 3 moves backwards to enable the lantern ring 52 to compress the spring 53, the elastic core strip 51 locked by the lantern ring 52 is opened, at the moment, the optical fiber locked in the middle by the elastic core strips 51 is in a loose state, then the optical fiber needing to be replaced is taken out, then a new optical fiber is sequentially inserted into the sleeve 6, the mortise 5 and the inserting needle 4 from the rear of the metal column tube 7, the protective sleeve 8 is taken down firstly during replacement, the U-shaped plug 3 is pulled out from the plug hole 12 after the optical fiber is installed at a proper position, at the moment, the lantern ring 52 locks the elastic core strip 51 again by the elasticity of the spring.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. Without departing from the spirit and scope of the present invention, there are also provided various changes and modifications that fall within the scope of the claimed invention. The scope of the invention is defined by the claims and their equivalents.

Claims

1. A fiber connector convenient to replace is characterized by comprising a butt plug, an elastic release button, a U-shaped plug, a contact pin, a plug core, a sleeve and a metal column tube;

2. The fiber optic connector of claim 1, wherein the U-shaped plug is of resilient material construction.

3. The optical fiber connector convenient to replace according to claim 1, wherein the ferrule is provided with three elastic core strips, the heads of the three elastic core strips are just limited in the butting ring after being polymerized, and the tails of the three elastic core strips are fixed by a limiting pipe; the rear end of the restraint pipe is connected with a butt joint which is fixedly connected with one end of the sleeve.

4. The fiber optic connector of claim 1, wherein a retaining snap ring is further disposed around the metal vial, the retaining snap ring retaining the rear end of the metal vial outside the mating plug.

5. The fiber optic connector of claim 1, wherein a boot is attached to a rear end of the mating plug.