CN215526178U

CN215526178U - Optical fiber connector

Info

Publication number: CN215526178U
Application number: CN202121298631.8U
Authority: CN
Inventors: 储昭跃; 付昊宇; 屈轩超; 马玎; 冯少雷; 吕金旺; 杨莹
Original assignee: Yongji Younaite Insulating Material Co ltd
Current assignee: Yongji Younaite Insulating Material Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-01-14
Anticipated expiration: 2031-06-10

Abstract

The utility model belongs to the technical field of communication optical fiber equipment, and particularly relates to an optical fiber connector which is simple in installation and operation, firm in connection and low in production cost, and comprises: a coupler and two fiber splices, the fiber splices comprising: the plastics fastener on the optic fibre lock pin is located with the cover to optic fibre lock pin, the plastics fastener includes: installation casing and joint strip, installation casing cover is located the outside of optic fibre lock pin, the one end that the optic fibre lock pin stretches out the installation casing is connected with the fiber bundle, the other end that the optic fibre lock pin stretches out the installation casing inserts in the coupler, the one end orientation of joint strip the coupler just is provided with the latch, the coupler includes: the sleeve pipe of both ends open-ended, sheathed tube both ends all be provided with spacing matched with is sunken, all be provided with the ring channel on the sheathed tube both ends outer wall.

Description

Optical fiber connector

Technical Field

The utility model belongs to the technical field of communication optical fiber equipment, and particularly relates to an optical fiber connector.

Background

The optical fiber connector is one of the most used devices in the optical fiber communication system, and most of the optical fiber connectors are composed of three parts: two optical fiber splices and a coupler, the optical fiber splices being the physical interface used to connect optical fiber cables.

The existing plastic optical fiber connector comprises more than ten parts such as a spring, a metal sleeve, a plastic front shell, a plastic rear shell, a flange, a tail sleeve and the like, and is complex in structure, complex in operation for installing optical fibers and high in production cost.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes the defects in the prior art and provides the optical fiber connector which is simple in installation operation, firm in connection and low in production cost.

In order to solve the technical problems, the utility model adopts the technical scheme that:

an optical fiber connector comprising: a coupler and two fiber splices, the fiber splices comprising: the plastics fastener on the optic fibre lock pin is located with the cover to optic fibre lock pin, the plastics fastener includes: installation casing and joint strip, installation casing cover is located the outside of optic fibre lock pin, the one end that the optic fibre lock pin stretches out the installation casing is connected with the fiber bundle, the other end that the optic fibre lock pin stretches out the installation casing inserts in the coupler, the installation casing orientation the one end of coupler is provided with spacing, the one end orientation of joint strip the coupler just is provided with the latch, the middle part of joint strip is passed through the connecting strip and is connected with the installation casing, the coupler includes: the sleeve pipe with openings at two ends, the inner diameter of the sleeve pipe is matched with the optical fiber inserting core, the two ends of the sleeve pipe are respectively provided with a plurality of sunken parts matched with the limiting strips, further, one end of the sleeve pipe can be provided with a plurality of sunken parts, the optical fiber connectors can be spliced at multiple angles, so that the splicing is more convenient, the outer walls of the two ends of the sleeve pipe are respectively provided with an annular groove, the annular grooves are matched with the clamping teeth, when the optical fiber connectors are inserted into the coupler, the optical fiber inserting cores are inserted into the sleeve pipe, the end parts of the two optical fiber inserting cores are contacted, so that optical signals are transmitted, the limiting strips are inserted into the sunken parts, the clamping teeth on the clamping strips are clamped in the annular grooves, when the optical fiber connectors are required to be taken down, a worker manually presses the clamping strips to keep away from one end of the coupler, one end of the clamping strips, provided with the clamping teeth, is tilted, and the clamping teeth are separated from the annular grooves, the optical fiber connector can be pulled out.

The coupler is characterized in that a limiting blocking ring is fixedly arranged on the outer wall of the sleeve, an external thread is further arranged on the outer wall of the sleeve and is located on one side of the limiting blocking ring, a screwing nut is arranged on the external thread, and through the arrangement of the limiting blocking ring and the screwing nut, the coupler can be mounted on a transition plate or a wall, the coupler can penetrate the wall and the plate, the limiting blocking ring and the screwing nut respectively press two sides of the transition plate, and then the sleeve is fixed.

The limiting blocking ring is of a circular ring sheet structure, is coaxial with the sleeve, has no acute angle at the outer edge of the circular ring sheet, and can prevent the outer edge of the circular ring sheet from cutting or damaging the optical fiber bundle in the process of stacking, storing and transporting.

The clamping strip is parallel to the optical fiber inserting core.

Be provided with first screw thread breach group and second screw thread breach group on the external screw thread, first screw thread breach group includes a plurality of first screw thread breachs, and the position of two adjacent first screw thread breachs differs 360 on the working stroke for a plurality of first screw thread breachs are located same straight line, second screw thread breach group includes a plurality of second screw thread breachs, and the position of two adjacent second screw thread breachs differs 360 on the working stroke for a plurality of second screw thread breachs are located same straight line, cross and be provided with on the cab apron and be used for running through sheathed tube through-hole, the shape of through-hole can cooperate with the outward flange of external screw thread, and then makes the inner wall of through-hole and first screw thread breach group and second screw thread breach group cooperate, can prevent that the sleeve pipe from taking place the rotation.

The position of adjacent first screw thread breach and second screw thread breach differs 180 on the working stroke, first screw thread breach is a plane, just the plane with sheathed tube outer wall is tangent, the shape of second screw thread breach with the shape of first screw thread breach is the same, crosses to be provided with on the cab apron and is used for running through sheathed tube through-hole, the through-hole can set up to rectangular hole or slotted hole, two relatively parallel inner walls of through-hole respectively with the plane of first screw thread breach group and the plane of second screw thread breach group are laminated mutually, and then prevent that the sleeve pipe from taking place to rotate, and rectangular hole or slotted hole operation is more convenient.

The tightening nut is also matched with a gasket matched with the tightening nut, so that the fixation is firmer, and the loosening of the tightening nut is prevented.

The working principle of the utility model is as follows:

the staff inserts the coupler at first in the through-hole on the cab apron, rotates to screw up the nut, fixes the coupler, later inserts two fiber splice respectively the both ends of coupler, and then realizes two fiber splice's connection, realizes that optic fibre wears the board.

Compared with the prior art, the utility model has the following beneficial effects.

The utility model has the advantages of simple installation operation, firm connection, simple structure and low production cost;

the coupler can be mounted on a transition plate or a wall by arranging the limiting stop ring and screwing the nut, so that the coupler can penetrate through the wall and the plate;

and thirdly, the sleeve is prevented from rotating by arranging the first thread gap group and the second thread gap group.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of an optical fiber connector according to the present invention.

Fig. 4 is a schematic structural diagram of the coupler of the present invention.

FIG. 5 is a schematic view of the external threads of the present invention.

FIG. 6 is a cross-sectional view of the sleeve and external threads of the present invention

In the figure: 1 is the coupler, 11 is the sleeve pipe, 111 is sunken, 112 is the ring channel, 12 is the spacing fender ring, 13 is the external screw thread, 131 is first screw thread breach, 132 is the second screw thread breach, 14 is the tightening nut, 15 is the gasket, 2 is the fiber splice, 21 is the optic fibre lock pin, 22 is the plastics fastener, 23 is the installation casing, 231 is spacing, 24 is the joint strip, 241 is the latch, 242 is the connecting strip, 3 is the cab apron.

Detailed Description

The following is a further description with reference to specific examples.

An optical fiber connector comprising: coupler 1 and two optical fiber splices 2, the optical fiber splices 2 include: the optical fiber ferrule 21 and the plastic clamping piece 22 sleeved on the optical fiber ferrule, wherein the plastic clamping piece 22 comprises: installation casing 23 and joint strip 24, installation casing 23 cover is located the outside of optic fibre lock pin 21, the one end that optic fibre lock pin 21 stretches out installation casing 23 is connected with the fiber bundle, the other end that optic fibre lock pin 21 stretches out installation casing 23 inserts in the coupler 1, installation casing 23 orientation the one end of coupler 1 is provided with spacing 231, the one end orientation of joint strip 24 coupler 1 just is provided with latch 241, the middle part of joint strip 24 is connected with installation casing 23 through connecting strip 242, coupler 1 includes: both ends open-ended sleeve pipe 11, the internal diameter of sleeve pipe 11 with optic fibre lock pin 21 cooperatees, the both ends of sleeve pipe 11 all be provided with spacing 231 matched with sunken 111, sunken 111 can be provided with two, and the contained angle is 180 between two sunken, and the optic fibre plug of being convenient for inserts from different angles, all be provided with ring channel 112 on the both ends outer wall of sleeve pipe 11, ring channel 112 with latch 241 cooperatees.

The outer wall of the sleeve 11 is fixedly provided with a limiting stop ring 12, the outer wall of the sleeve 11 is further provided with an external thread 13, the external thread 13 is located on one side of the limiting stop ring 12, and a tightening nut 14 is arranged on the external thread 13.

The limiting stop ring 12 is of a circular ring sheet structure, and the limiting stop ring 12 is coaxial with the sleeve 11.

The clamping strip 24 is parallel to the optical fiber ferrule 21.

Be provided with first screw thread breach group and second screw thread breach group on the external screw thread, first screw thread breach group includes a plurality of first screw thread breach 131, and the position of two adjacent first screw thread breach 131 differs 360 on the working stroke, second screw thread breach group includes a plurality of second screw thread breach 132, and the position of two adjacent second screw thread breach 132 differs 360 on the working stroke.

The adjacent first thread gap 131 and the second thread gap 132 are different in position by 180 ° in the working stroke, the first thread gap 131 is a plane, and the plane is tangent to the outer wall of the sleeve 11, and the shape of the second thread gap 132 is the same as the shape of the first thread gap 131.

The tightening nut 14 is also fitted with a washer 15 fitted thereto.

The above embodiments are merely illustrative of the principles of the present invention and its effects, and do not limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present invention, and be covered by the claims of the present invention.

Claims

1. An optical fiber connector, comprising: a coupler (1) and two optical fiber splices (2), the optical fiber splices (2) comprising: optic fibre lock pin (21) and cover plastics fastener (22) of locating on the optic fibre lock pin, plastics fastener (22) include: installation casing (23) and joint strip (24), installation casing (23) cover is located the outside of optic fibre lock pin (21), the one end that installation casing (23) were stretched out in optic fibre lock pin (21) is connected with the fiber bundle, the other end that installation casing (23) were stretched out in optic fibre lock pin (21) inserts in coupler (1), installation casing (23) orientation the one end of coupler (1) is provided with spacing (231), the one end orientation of joint strip (24) coupler (1) just is provided with latch (241), the middle part of joint strip (24) is connected with installation casing (23) through connecting strip (242), coupler (1) includes: both ends open-ended sleeve pipe (11), the internal diameter of sleeve pipe (11) with optic fibre lock pin (21) cooperate, the both ends of sleeve pipe (11) all be provided with spacing strip (231) matched with sunken (111), all be provided with ring channel (112) on the both ends outer wall of sleeve pipe (11), ring channel (112) with latch (241) cooperate.

2. The optical fiber connector according to claim 1, wherein a limit stop ring (12) is fixedly arranged on the outer wall of the sleeve (11), an external thread (13) is further arranged on the outer wall of the sleeve (11), the external thread (13) is positioned on one side of the limit stop ring (12), and a tightening nut (14) is arranged on the external thread (13).

3. An optical fiber connector according to claim 2, wherein the limit stop ring (12) is of a circular ring sheet structure, and the limit stop ring (12) is coaxial with the ferrule (11).

4. An optical fiber connector according to claim 1, wherein the clamping bar (24) is parallel to the fiber stub (21).

5. An optical fiber connector according to claim 2, wherein the external thread is provided with a first thread gap group and a second thread gap group, the first thread gap group comprises a plurality of first thread gaps (131), the positions of two adjacent first thread gaps (131) are different by 360 degrees in the working stroke, the second thread gap group comprises a plurality of second thread gaps (132), and the positions of two adjacent second thread gaps (132) are different by 360 degrees in the working stroke.

6. An optical fiber connector according to claim 5, wherein the adjacent first thread gap (131) and second thread gap (132) are located at a 180 ° difference in the operating stroke, the first thread gap (131) is a plane which is tangential to the outer wall of the ferrule (11), and the second thread gap (132) has the same shape as the first thread gap (131).

7. An optical fiber connector according to claim 2, wherein the tightening nut (14) is further provided with a washer (15) engaged therewith.