阅读说明：本技术 光缆治具、光纤连接器制作方法及光纤连接器 (Optical cable jig, optical fiber connector manufacturing method and optical fiber connector ) 是由 胡建伟 李跃 杨建波 于 2020-05-12 设计创作，主要内容包括：一种光缆治具、光纤连接器制作方法及光纤连接器,其中,光缆治具用于光纤排序并带、熔接,所述光缆治具包括底座及盖板,所述底座设有贯穿所述底座相对两侧的收容槽,所述收容槽包括第一收容部与第二收容部,所述第一收容部用于收容光缆,所所述第二收容部用于收容由所述光缆中伸出的多个第一光纤,所述盖板盖设于所述底座以固定所述光缆及所述第一光纤。(The optical cable jig comprises a base and a cover plate, wherein the base is provided with accommodating grooves penetrating through two opposite sides of the base, the accommodating grooves comprise a first accommodating part and a second accommodating part, the first accommodating part is used for accommodating an optical cable, the second accommodating part is used for accommodating a plurality of first optical fibers extending from the optical cable, and the cover plate is covered on the base to fix the optical cable and the first optical fibers.)

1. The utility model provides an optical cable tool for optic fibre sequencing is taken, butt fusion, its characterized in that: the optical cable jig comprises a base and a cover plate, wherein the base is provided with accommodating grooves penetrating through two opposite sides of the base, each accommodating groove comprises a first accommodating portion and a second accommodating portion, the first accommodating portions are used for accommodating optical cables, the second accommodating portions are used for accommodating a plurality of first optical fibers extending from the optical cables, and the cover plate is covered on the base to fix the optical cables and the first optical fibers.

2. The optical cable fixture of claim 1, wherein: the cover plate is pivoted on the base, and the optical cable jig further comprises a first magnetic piece which is arranged in the base and used for adsorbing the cover plate to fix the cover plate.

3. The optical cable fixture of claim 1, wherein: the optical cable jig further comprises a pressing block, the pressing block is arranged on the cover plate and used for extending into the second accommodating part and pressing the first optical fibers.

4. The optical cable fixture of claim 1, wherein: the accommodating groove also comprises a third accommodating part, and two ends of the third accommodating part are respectively communicated with the first accommodating part and the second accommodating part; the optical cable fixture further comprises a sorting piece, the sorting piece is used for being installed in the third containing portion, the sorting piece is provided with a through hole, the through hole comprises a containing portion and a sorting portion, the aperture of the containing portion is larger than that of the sorting portion, the containing portion is used for penetrating the first optical fibers, and the sorting portion is used for sorting the penetrating first optical fibers.

5. The optical cable fixture of claim 4, wherein: the sorting piece comprises a first fixing part and a second fixing part, the second fixing part is pivoted to the first fixing part, and the second fixing part and the first fixing part form the through hole.

6. The optical cable fixture of claim 1, wherein: the optical cable fixture further comprises a ferrule fixture, the ferrule fixture comprises a fixing seat and a top cover, the fixing seat is provided with a containing hole for containing the connector of the ferrule assembly, and the top cover is used for covering the fixing seat to fix the connector.

7. A method of making an optical fiber connector, comprising:

the optical cable fixture comprises a base and a cover plate, wherein the base is provided with an accommodating groove, the accommodating groove comprises a first accommodating part and a second accommodating part which are communicated, the first accommodating part is used for accommodating the optical cable, the second accommodating part is used for accommodating a plurality of first optical fibers extending from the optical cable, and the cover plate is covered on the base to fix the optical cable and the first optical fibers;

stripping the coating on the surface of a plurality of the first optical fibers;

providing a ferrule assembly, wherein the ferrule assembly comprises a connector and a plurality of second optical fibers, and a plurality of first optical fibers are welded to a plurality of second optical fibers; and

assembling the fiber optic cable and ferrule assembly to form a fiber optic connector.

8. The method of making an optical fiber connector of claim 7, wherein: when the optical cable is fixed through the optical cable jig, a sequencing piece is provided, the sequencing piece is provided with a through hole, the through hole comprises an accommodating part and a sequencing part, the aperture of the accommodating part is larger than that of the sequencing part, and a plurality of first optical fibers penetrate through the accommodating part and penetrate out after being sequenced by the sequencing part.

9. An optical fiber connector manufactured by the optical fiber connector manufacturing method according to claim 7 or 8, characterized in that: the optical fiber connector comprises an optical cable and a ferrule assembly, the optical cable comprises a plurality of first optical fibers, the ferrule assembly comprises a connector and a plurality of second optical fibers, and the first optical fibers are welded with the second optical fibers.

10. The fiber optic connector of claim 9, wherein: the optical fiber connector further comprises a sequencing piece, the sequencing piece is provided with a through hole, the through hole comprises an accommodating part and a sequencing part, and the first optical fiber penetrates through the through hole and is sequenced through the sequencing part.

Technical Field

The invention relates to an optical cable jig, an optical fiber connector manufacturing method and an optical fiber connector.

Background

When the optical fibers are spliced and fused, it is necessary to position the optical fibers one by one. At present, the optical fibers are usually sorted and taped by glue, tape or heat shrink tube, and then the optical fibers are subjected to thermal peeling, welding and other processes. However, the glue and the adhesive tape are easy to pollute the optical fiber, and the glue, the adhesive tape and the heat shrink tube are complex to operate and high in assembly cost.

Disclosure of Invention

In view of the above, it is desirable to provide an optical cable fixture, a method for manufacturing an optical fiber connector, and an optical fiber connector to solve the above problems.

The optical cable jig comprises a base and a cover plate, wherein the base is provided with accommodating grooves which penetrate through two opposite sides of the base, each accommodating groove comprises a first accommodating part and a second accommodating part, the first accommodating parts are used for accommodating optical cables, the second accommodating parts are used for accommodating a plurality of first optical fibers extending from the optical cables, and the cover plate is covered on the base to fix the optical cables and the first optical fibers.

Further, the cover plate is pivoted on the base, and the optical cable jig further comprises a first magnetic piece which is arranged in the base and used for adsorbing the cover plate to fix the cover plate.

Further, the optical cable jig further comprises a pressing block, the pressing block is arranged on the cover plate and used for extending into the second accommodating part and pressing the first optical fibers.

Furthermore, the accommodating groove also comprises a third accommodating part, and two ends of the third accommodating part are respectively communicated with the first accommodating part and the second accommodating part; the optical cable jig further comprises a sorting piece, the sorting piece is arranged in the third accommodating portion and provided with a through hole, the aperture of the through hole, facing one end of the first accommodating portion, is larger than the aperture of the through hole, facing one end of the second accommodating portion, and the sorting piece is used for sorting the first optical fibers.

Furthermore, the sorting piece comprises a first fixing part and a second fixing part, the second fixing part is pivoted to the first fixing part, and the second fixing part and the first fixing part form the through hole.

Further, the optical cable tool still includes the lock pin tool, the lock pin tool includes fixing base and top cap, the fixing base is equipped with the holding hole in order to accept the connector of lock pin subassembly, the top cap is used for the lid to locate the fixing base is in order to fix the connector.

A method of making an optical fiber connector, comprising:

the optical cable fixture comprises a base and a cover plate, wherein the base is provided with an accommodating groove, the accommodating groove comprises a first accommodating part and a second accommodating part which are communicated, the first accommodating part is used for accommodating the optical cable, the second accommodating part is used for accommodating a plurality of first optical fibers extending from the optical cable, and the cover plate is covered on the base to fix the optical cable and the first optical fibers;

stripping the coating on the surface of a plurality of the first optical fibers;

providing a ferrule assembly, wherein the ferrule assembly comprises a connector and a plurality of second optical fibers, and a plurality of first optical fibers are welded to a plurality of second optical fibers; and

assembling the fiber optic cable and ferrule assembly to form a fiber optic connector.

Further, when the optical cable is fixed through the optical cable jig, a sequencing piece is provided, the sequencing piece is provided with a through hole, the through hole comprises an accommodating part and a sequencing part, the aperture of the accommodating part is larger than that of the sequencing part, and a plurality of first optical fibers penetrate through the accommodating part and penetrate out after being sequenced by the sequencing part.

The optical fiber connector manufactured by the manufacturing method of the optical fiber connector comprises an optical cable and a ferrule assembly, wherein the optical cable comprises a plurality of first optical fibers, the ferrule assembly comprises a connector and a plurality of second optical fibers, and the first optical fibers and the second optical fibers are welded.

Further, the optical fiber connector further comprises a sequencing piece, the sequencing piece is provided with a through hole, the through hole comprises an accommodating part and a sequencing part, and the first optical fiber penetrates through the through hole and is sequenced through the sequencing part.

The optical cable jig is used for accommodating the optical cable and the first optical fiber respectively through a first accommodating part and a second accommodating part of the base; and the cover plate is covered on the containing groove to fix the optical cable and the first optical fiber. The optical fiber connector manufacturing method uses the optical cable jig to fix the optical cable, so that the plurality of first optical fibers are kept in order to facilitate the processes of hot stripping, fusion welding and the like.

Drawings

Fig. 1 is a schematic perspective view of an optical cable fixture and an optical cable according to a first embodiment of the present invention.

Fig. 2 is a cross-sectional view of the sequencing piece and the optical cable along line II-II of the optical cable jig shown in fig. 1.

Fig. 3 is a schematic perspective view of an optical cable fixture and an optical cable according to a second embodiment of the present invention.

Fig. 4 is an exploded view of the optical cable jig shown in fig. 3.

Fig. 5 is a schematic perspective view of a ferrule jig of an optical cable jig according to a second embodiment of the present invention.

Fig. 6 is a flowchart of a method for manufacturing an optical fiber connector according to a third embodiment of the present invention.

Fig. 7 is a perspective view of the optical cable and ferrule assembly according to the third embodiment of the present invention when they are fusion-spliced.

Fig. 8 is a perspective view of an optical fiber connector according to a fourth embodiment of the present invention.

Fig. 9 is a schematic cross-sectional view of the fiber optic connector of fig. 8 taken along line IX-IX.

Description of the main elements

Optical cable jig 100, 300

Base 10

Storage tank 11

First receiving portion 112

Second receiving portion 114

Third housing parts 116, 3116

Mounting hole 13

Cover plate 20

First magnetic member 30

Briquetting 40

Sequencing element 50, 350

Through holes 51, 351

Accommodating parts 511 and 3511

Sorting units 512, 3512

Optical cable 200

First optical fiber 201

Ferrule assembly 202

Connector 2021

Second optical fiber 2023

Optical fiber connector 204

Protective housing 2041

Sheath 2042

Heat shrink tube 2043

Riveting ring 2044

Rear shell 2045

First elastic member 2046

First housing 2047

Second housing 2048

Dust cap 2049

First fixed part 352

Second fixing portion 353

Second magnetic member 354

Insert core jig 360

Fixed seat 361

Accommodation hole 3610

Top cover 362

Third magnetic element 363

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1, an optical cable fixture 100 is provided in accordance with an embodiment of the present invention. The optical cable jig 100 is used for fixing the optical cable 200 to perform optical fiber ribbon hot-stripping fusion. The optical cable 200 includes a plurality of first optical fibers 201.

The optical cable fixture 100 includes a base 10 and a cover plate 20. The base 10 is provided with a receiving groove 11. The receiving groove 11 includes a first receiving portion 112 and a second receiving portion 114 that are communicated with each other. The first receiving portion 112 penetrates one end of the base 10. The second receiving portion 114 penetrates the other end of the base 10. The first receiving portion 112 has a substantially semicircular cross section. The second receiving portion 114 has a substantially rectangular cross section. The first receiving portion 112 is configured to receive the optical cable 200. The second receiving portion 114 is configured to receive a plurality of first optical fibers 201 extending from the optical cable 200.

The cover plate 20 covers the receiving groove 11 to fix the optical cable 200. In the illustrated embodiment, the cover plate 20 is pivotally connected to the base 10. It is understood that in other embodiments, the cover plate 20 may be fixed to the base 10 by friction or by a snap or the like.

In the illustrated embodiment, the optical cable fixture 100 further includes a first magnetic member 30. The base 10 further includes mounting holes 13. The first magnetic member 30 is installed in the installation hole 13. The first magnetic member 30 is used for attracting the cover plate 20 for fixing.

In the illustrated embodiment, the cable fixture 100 further includes a press block 40. The pressing block 40 is disposed on the cover plate 20. After the cover plate 20 is covered on the base 10, the pressing block 40 extends into the second receiving portion 114 and presses the plurality of first optical fibers 201.

Referring to fig. 2, in the illustrated embodiment, the optical cable fixture 100 further includes a sequencing member 50. The sequencing element 50 is provided with a through hole 51. The through hole 51 includes an accommodating portion 511 and an ordering portion 512 communicating with each other. The accommodating portion 511 faces the first receiving portion 112. The ordering portion 512 faces the second receiving portion 114. The aperture of the accommodating part 511 is larger than that of the ordering part 512. The receiving portion 511 has a tapered cross-section. The aperture of the end of the accommodating part 511 far away from the sequencing part 512 is larger. The aperture of the open end of the accommodating portion 511 is large to facilitate the first optical fiber 201 to protrude. The aperture of the ordering portion 512 is small to facilitate the limited ordering of the first optical fiber 201. Specifically, the height of the ordering portion 512 is substantially equal to the diameter of one first optical fiber 201.

In the illustrated embodiment, the receiving slot 11 further includes a third receiving portion 116. The first receiving portion 112 and the second receiving portion 114 are respectively communicated with two ends of the third receiving portion 116. The third receiving portion 116 is configured to receive the sorting member 50.

Referring to fig. 3 to 5, a second embodiment of an optical cable fixture 300 is provided. The optical cable fixture 300 is used for fixing the optical cable 200. The optical cable 200 includes a plurality of first optical fibers 201.

The optical cable fixture 300 of the second embodiment is substantially the same as the optical cable fixture 100 of the first embodiment, and the optical cable fixture 300 includes a base and a cover. The base is provided with an accommodating groove. The accommodating groove includes a first accommodating portion, a third accommodating portion 3116 and a second accommodating portion which are sequentially communicated.

The optical cable fixture 300 of the second embodiment is different from the optical cable fixture 100 of the first embodiment in that:

the cable jig 300 of the second embodiment includes a sorting member 350. The sorting member 350 is rotatably mounted in the third receiving portion 3116. The sorting member 350 includes a first fixing portion 352 and a second fixing portion 353. The second fixing portion 353 is pivotally connected to the first fixing portion 352. The second fixing portion 353 and the first fixing portion 352 form a through hole 351. The through hole 351 includes a receiving portion 3511 and a sorting portion 3512 communicated with each other. The aperture of the accommodating part 3511 is larger than that of the sequencing part 3512. The receiving portion 3511 has a tapered cross-section. The aperture of the end of the accommodating part 3511 away from the ordering part 3512 is larger. The height of the ordering portion 3512 is substantially equal to the diameter of one first optical fiber 201.

The sequencing element 350 also includes a second magnetic element 354. The second magnetic member 354 is disposed on the first fixing portion 352 and is used for attracting the second fixing portion 353 for fixing.

The optical cable fixture 300 of the second embodiment further includes a ferrule fixture 360. The ferrule jig 360 is used for fixing the ferrule assembly 202. The ferrule assembly 202 includes a connector 2021 and a plurality of second optical fibers 2023 connected to the connector 2021.

The ferrule jig 360 includes a fixing base 361 and a top cover 362. The fixing seat 361 is provided with a containing hole 3610 for containing the connector 2021. The top cover 362 covers the fixing seat 361 to fix the connector 2021. In the illustrated embodiment, the top cover 362 is pivotally connected to the fixing base 361; the ferrule jig 360 further includes a third magnetic member 363. The third magnetic element 363 is disposed on the fixing seat 361 for fixing the top cover 362 by adsorption.

Referring to fig. 6, a third embodiment of the present invention provides a method for manufacturing an optical fiber connector, including:

please refer to fig. 1, S1: the optical cable fixture 100 is used for fixing the optical cable 200, the optical cable fixture 100 comprises a base 10 and a cover plate 20, the base 10 is provided with an accommodating groove 11, the accommodating groove 11 comprises a first accommodating part 112 and a second accommodating part 114 which are communicated, the first accommodating part 112 is used for accommodating the optical cable 200, the second accommodating part 114 is used for accommodating a plurality of first optical fibers 201 extending from the optical cable 200, and the cover plate 20 is covered on the base 10 to fix the optical cable 200 and the first optical fibers 201.

Referring to fig. 1 and 2, in at least one embodiment, when fixing the optical cable 200, the sequencing element 50 according to the first embodiment is used to sequence the plurality of first optical fibers 201. In particular, the sequencing element 50 is provided with a through hole 51. The through hole 51 includes an accommodating portion 511 and an ordering portion 512 communicating with each other. The receiving portion 511 has a tapered cross-section. The aperture of the end of the accommodating part 511 far away from the sequencing part 512 is larger. The plurality of first optical fibers 201 are threaded in from the accommodating portion 511, sequenced by the sequencing portion 512, and then threaded out. The height of the ordering portion 512 is substantially equal to the diameter of one first optical fiber 201. When the sorting member 50 according to the first embodiment is used, the sorting member 50 is fixed to the first optical fiber 201 after the subsequent optical fibers are welded.

Referring to fig. 3 and 4, in at least one embodiment, the sorting member 350 according to the second embodiment sorts a plurality of first optical fibers 201. Specifically, the storage groove 11 further includes a third storage portion 3116. The third receiving portion 3116 has a first receiving portion 3112 and a second receiving portion 3114 communicating with each other at both ends. The sorting member 350 is rotatably mounted in the third receiving portion 3116. The sorting member 350 includes a first fixing portion 352 and a second fixing portion 353. The second fixing portion 353 is pivotally connected to the first fixing portion 352. The second fixing portion 353 and the first fixing portion 352 form a through hole 351. The through hole 351 includes a receiving portion 3511 and a sorting portion 3512 communicated with each other. The receiving portion 511 has a tapered cross-section. The height of the ordering portion 512 is substantially equal to the diameter of one first optical fiber 201. After the first fixing portion 352 and the second fixing portion 353 are separated by rotation, the plurality of first optical fibers 201 are arranged side by side between the first fixing portion 352 and the second fixing portion 353, and then the first fixing portion 352 and the second fixing portion 353 are folded to fix the plurality of first optical fibers 201. When the sorting member 350 according to the second embodiment is used, the sorting member 350 is separated from the first optical fiber 201 after the subsequent optical fibers are welded.

In at least one embodiment, after the plurality of first optical fibers 201 are manually arranged in the second receiving portion, the cover plate 20 is covered on the base 10 to fix the optical cable 200 and the first optical fibers 201.

S2: stripping the coating on the surface of a plurality of the first optical fibers 201.

In this step, a peeling device such as a hot peeling pliers commonly used in the industry may be used. Since the optical cable fixture 100 sequences and fixes the plurality of first optical fibers 201, the plurality of first optical fibers 201 can be directly placed into the stripping device during stripping.

Please refer to fig. 7, S3: a plurality of the first optical fibers 201 are fusion spliced to a plurality of second optical fibers 2023 of the plug assembly 202.

The ferrule assembly 202 includes a connector 2021 and a plurality of second optical fibers 2023 connected to the connector 2021. The plurality of first optical fibers 201 and the plurality of second optical fibers 2023 are fusion-spliced by an optical fiber fusion splicer.

In at least one embodiment, the ferrule assembly 202 is secured by a ferrule fixture 360. The ferrule jig 360 includes a fixing base 361 and a top cover 362. The fixing seat 361 is provided with a containing hole 3610 for containing the connector 2021. The top cover 362 covers the fixing seat 361 to fix the connector 2021.

Please refer to fig. 8 and fig. 9, S4: the fiber optic cable 200 and ferrule assembly 202 are assembled to form a fiber optic connector 204.

Assembling the optical cable 200 and the ferrule assembly 202 to form the optical fiber connector 204 specifically includes:

s401: a sheath 2042, a heat shrinkable tube 2043, a riveting ring 2044, a rear shell 2045 and a first elastic piece 2046 are sequentially sleeved on the optical cable 200, two ends of the first elastic piece 2046 respectively and elastically abut against the connecting head 2021 and the rear shell 2045, one end of the riveting ring 2044 is connected with the rear shell 2045, the heat shrinkable tube 2043 is fastened on the riveting ring 2044 and the optical cable 200, and the sheath covers the riveting ring 2044 and the heat shrinkable tube 2043;

s402: wrapping the first optical fiber 201 and the second optical fiber 2023 with a protective shell 2041;

s403: the first housing 2047 covers the plug assembly 202 and is connected to the rear housing 2045;

s404: the second housing 2048 is slidably mounted on the first housing 2047 and elastically abuts against the first housing 2047 and the second housing through a second elastic member;

s405: a dust cap 2049 is mounted to the second housing 2048.

In this embodiment, an MPO connector is formed. It will be appreciated that in other embodiments, the assembled parts may be modified accordingly depending on the type of fiber optic connector that is desired to be made.

Referring to fig. 8 and 9, a fourth embodiment of the invention provides an optical fiber connector 204, and the optical fiber connector 204 is manufactured by the method for manufacturing an optical fiber connector according to the third embodiment.

The fiber optic connector 204 includes a fiber optic cable 200 and a ferrule assembly 202. The optical cable 200 includes a plurality of first optical fibers 201. The ferrule assembly 202 includes a connector 2021 and a plurality of second optical fibers 2023. The first optical fiber 201 is fusion spliced with the second optical fiber 2023.

The fiber optic connector 204 also includes a sequencing member 50. The sequencing element 50 is provided with a through hole 51. The through hole 51 includes an accommodating portion 511 and an ordering portion 512. The first optical fibers 201 are inserted into the through holes 51 and are arranged in sequence by the sequencing part 512.

The optical fiber connector 204 further includes a sheath 2042, a heat shrinkable tube 2043, a rivet ring 2044, a rear shell 2045, and a first elastic element 2046. Two ends of the first elastic element 2046 respectively elastically abut against the connector 2021 and the rear shell 2045. One end of the riveting ring 2044 is connected with the rear shell 2045. The heat shrink tube 2043 is fastened to the crimp ring 2044 and the optical cable 200. The sheath covers the riveting ring 2044 and the heat shrinkable tube 2043.

The optical fiber connector 204 further includes a protective shell 2041. The protective shell 2041 covers the first optical fiber 201 and the second optical fiber 2023. The fiber optic connector 204 also includes a first housing 2047. The first housing 2047 covers the plug assembly 202 and is connected to the rear housing 2045. The fiber optic connector 204 also includes a second housing 2048. The second housing 2048 is slidably disposed on the first housing 2047 and elastically abuts against the first housing 2047 and the second housing by a second elastic member.

The fiber optic connector 204 also includes a dust cap 2049. The dust cap 2049 is installed in the second housing 2048.

Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.