CN217425746U

CN217425746U - Small-size quick fiber connector

Info

Publication number: CN217425746U
Application number: CN202221040928.9U
Authority: CN
Inventors: 万新红; 周晓楠; 徐方方; 许练; 徐焕文
Original assignee: Nanjing Quanxin Cable Technology Co Ltd
Current assignee: Nanjing Quanxin Cable Technology Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-13
Anticipated expiration: 2032-04-29

Abstract

The utility model belongs to the technical field of wires and cables, and discloses a small-sized rapid optical fiber connector, which comprises a plug shell, a packaging shell, an optical contact element, a socket shell, a snap spring, a ceramic sleeve and a ceramic ferrule; the optical contact pieces at two ends are respectively arranged in the plug shell and the socket shell, the optical contact pieces are limited and stopped rotating in the plug shell and the socket shell through clamp springs, the optical contact piece at the end of the plug shell is connected with a ceramic sleeve, the optical contact piece at the end of the socket shell is connected with a ceramic ferrule, and the ceramic sleeve and the ceramic ferrule are butted in the packaging shell. This fiber connector adopts the fixed optical contact spare of jump ring, and the reliability is high and have the effect of splining and anti-vibration.

Description

Small-size quick fiber connector

Technical Field

The utility model relates to a wire and cable's technical field especially relates to a small-size quick fiber connector.

Background

With the rapid development of the avionic airborne communication technology, the performance of the avionic equipment is greatly improved. The establishment of the airborne communication network is the basis of avionics integration. The development of an airborne communication network leads to the fact that the data volume processed and transmitted by equipment in the military aviation field of China is larger and larger, and the optical fiber cable has incomparable advantages of high bandwidth, high transmission speed, low delay, light weight and the like, is applied to the military aviation field more and more, and determines the special position of the optical fiber cable to a certain extent. Under the airborne environment, the optical fiber cable used in the airplane carries a huge amount of information, and once a fault occurs during use, the optical signal is inevitably interrupted, thereby causing a great influence. Therefore, rapid repair of a fault within a short time period plays a critical role. At present, in the field of optical fiber connectors, most of small-sized connectors capable of realizing rapid repair of optical fiber cables cannot resist vibration and have poor environment resistance, and have the limitation of use in an airborne environment.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a small-sized fast optical fiber connector comprises a plug shell, a packaging shell, an optical contact element, a socket shell, a clamp spring, a ceramic sleeve and a ceramic ferrule; the optical contact pieces at two ends are respectively arranged in the plug shell and the socket shell, the optical contact pieces are limited and stopped rotating in the plug shell and the socket shell through clamp springs, the optical contact piece at the end of the plug shell is connected with a ceramic sleeve, the optical contact piece at the end of the socket shell is connected with a ceramic ferrule, and the ceramic sleeve and the ceramic ferrule are butted in the packaging shell.

Further, the connector plug housing, the socket housing and the packaging housing are locked by fastening nuts and sealed by O-shaped rings.

Furthermore, the packaging shell and the socket shell are locked through threads, and are respectively provided with a convex key and a key groove which are in butt joint limiting.

Furthermore, a tail attachment connecting nut is arranged at the joint of the optical contact element of the plug shell end and the optical cable, a filling type flexible tail attachment is arranged at the joint of the optical contact element of the socket shell end and the optical cable, and the filling type flexible tail attachment is filled with silicon rubber.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the connector adopts a butt joint mode of a convex key and a key groove, and a ceramic ferrule is packaged and positioned at a butt joint part by adopting a packaging metal shell, so that the precision is high and the butt joint is convenient;

2) the connector adopts a double sealing structure of O-shaped ring mechanical seal and silicon rubber potting seal, can protect the internal contact elements from being used under the conditions of water vapor and dirt after being butted, and has strong environment resistance;

3) the connector adopts silicon rubber potting filling type flexible tail attachment, and the jumper cable can be prevented from being bent excessively.

4) The connector adopts a butt joint redundancy design, the designed part size can ensure that the contact pins are elastically floated during butt joint, the end faces of the optical contact pieces are well butted, and the insertion loss is low;

5) the connector adopts the jump ring to fix the optical contact piece, has high reliability and has the functions of rotation stopping and vibration resistance.

Drawings

FIG. 1 is a schematic cross-sectional view of the assembly of a compact, quick-action fiber optic connector;

FIG. 2 is a schematic view of a key in a package housing of a compact, quick-action fiber optic connector;

FIG. 3 is a schematic view of a keyway in a receptacle housing of a miniature, quick fiber optic connector;

wherein, 1, the tail is attached with a connecting nut, 2 and a plug shell; 3. fastening a nut; 4. a package housing; 5. an O-shaped ring; 6. an optical contact; 7. a socket housing; 8. a filling type flexible tail is attached; 9. an optical cable; 10. a clamp spring; 11. a ceramic bushing; 12. and (4) a ceramic ferrule.

Detailed Description

The preferred mechanism and method for realizing the movement of the present invention will be further described with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, the small-sized fast optical fiber connector includes a tail attachment connection nut 1, a plug housing 2, a fastening nut 3, a package housing 4, an O-ring 5, an optical contact element 6, a socket housing 7, a filling-type flexible tail attachment 8, a clamp spring 10, a ceramic sleeve 11, and a ceramic ferrule 12.

The optical contact elements 6 at two ends are respectively arranged in the plug shell 2 and the socket shell 7, the optical contact elements 6 are connected with the ceramic sleeve 11, the optical contact elements 6 at the end of the socket shell 7 are connected with the ceramic ferrule 12, the ceramic sleeve 11 and the ceramic 6 are limited and prevented from rotating in the plug shell 2 and the socket shell 7 through the snap springs 10, and the optical contact elements 4 at the end of the plug shell 2 are butted. Ceramic ferrule 12 in packaging shell

The ceramic sleeve 11 and the ceramic ferrule 12 have size redundancy during butt joint, elastically float during butt joint, and the optical contact piece 6 is packaged and positioned by the packaging shell 4.

The connector plug shell 2, the socket shell 7 and the packaging shell 4 are locked through the fastening nuts 3 and sealed through the O-shaped rings 5, and the O-shaped rings 5 play a role in fixing the fastening nuts 3.

The packaging shell 4 and the socket shell 7 are locked through threads, the packaging shell 4 and the socket shell 7 are respectively provided with a convex key and a key groove, and the convex key and the key groove are in butt joint limit during matching.

The optical contact element 6 at the end of the plug shell 2 and the optical contact element 6 at the end of the socket shell 7 are respectively connected with an optical cable 9, a tail attachment connecting nut 1 is arranged at the joint of the optical contact element 6 at the end of the plug shell 2 and the optical cable 9, a filling type flexible tail attachment 8 is arranged at the joint of the optical contact element 6 at the end of the socket shell 7 and the optical cable 9, the filling type flexible tail attachment 8 is filled with silicon rubber, a flexible tail attachment is formed after curing, and the optical plug has sealing performance and has the function of resisting excessive bending of the optical cable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments, but all modifications, equivalents, improvements and the like within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. A small-sized fast optical fiber connector is characterized by comprising a plug shell (2), a packaging shell (4), an optical contact element (6), a socket shell (7), a clamp spring (10), a ceramic sleeve (11) and a ceramic ferrule (12); the optical connector is characterized in that optical contacts (6) at two ends are respectively arranged in the plug shell (2) and the socket shell (7), the optical contacts (6) are limited and stopped rotating in the plug shell (2) and the socket shell (7) through clamp springs (10), the optical contacts (6) at the end of the plug shell (2) are connected with a ceramic sleeve (11), the optical contacts (6) at the end of the socket shell (7) are connected with a ceramic ferrule (12), and the ceramic sleeve (11) and the ceramic ferrule (12) are butted in the packaging shell (4).

2. Small form factor fast fiber optic connector according to claim 1, characterized in that the connector plug housing (2), socket housing (7) and package housing (4) are locked by a fastening nut (3) and sealed by an O-ring (5).

3. The miniature fast optical fiber connector according to claim 1, wherein the package housing (4) and the socket housing (7) are locked by screw threads, and the package housing (4) and the socket housing (7) are respectively provided with a convex key and a key slot for limiting the butt joint of the convex key and the key slot.

4. The miniature fast optical fiber connector according to claim 1, wherein a tail attachment connection nut (1) is provided at a connection of the optical contact (6) at the plug housing (2) end and the optical cable (9), and a filling type flexible tail attachment (8) is provided at a connection of the optical contact (6) at the socket housing (7) end and the optical cable (9), wherein the filling type flexible tail attachment (8) is filled with silicon rubber.