CN212723457U

CN212723457U - MPO lock pin with high precision and high stability

Info

Publication number: CN212723457U
Application number: CN202021410498.6U
Authority: CN
Inventors: 刘磊
Original assignee: Dongguan Ruikai Mould Co ltd
Current assignee: Dongguan Ruikai Mould Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-16
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a high-precision high-stability MPO lock pin; including the lock pin body, the lock pin body has first side and second side, is equipped with at least one on the first side and is no less than 3 limit shape first recess, is equipped with at least one on the second side and is no less than 3 limit shape second recess, and first recess and second recess can guarantee the homogeneity of lock pin body wall thickness, make lock pin body size more accurate. The utility model discloses be provided with at least one and be no less than 3 limit's recess at the first side of lock pin body and second side, reduce the gluey volume of lock pin body through two recesses, make the lock pin body more stereotype in the injecting glue refrigerated, can guarantee the homogeneity of lock pin body wall thickness, make more accurate, more accurate after the optical fiber hole cooling is stereotyped.

Description

MPO lock pin with high precision and high stability

Technical Field

The utility model relates to a fiber connector, in particular to MPO lock pin of high accuracy high stability.

Background

The optical fiber connector is a device for making detachable connection between optical fibers, and it precisely butt-joints two end faces of the optical fibers to make the optical energy output by the transmitting optical fiber be maximally coupled into the receiving optical fiber and to minimize the influence on the system due to its intervening optical link, which is the basic requirement of the optical fiber connector. To some extent, fiber optic connectors affect the reliability and performance of optical transmission systems.

With the development of 5G communication, cloud computing and big data, the integration degree of a related data center is higher and higher, and infinite data needs to be accommodated in a limited space, so that the application of high-density MPO optical fiber connectors is more and more, the stability of the size of an MPO inserting core directly influences the stability of communication data transmission, the stability of the size of the MPO inserting core is improved by adjusting the uniformity of the wall thickness of the MPO inserting core, and the attenuation of data transmission is reduced and the stability of data transmission is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned defect of prior art, provide a MPO lock pin of high accuracy high stability.

For solving the above-mentioned defect of prior art, the utility model provides a technical scheme is: the utility model provides a high accuracy high stability's MPO lock pin, includes the lock pin body, the lock pin body has first side and second side, be equipped with at least one on the first side and be no less than 3 limit shape first recess, be equipped with at least one on the second side and be no less than 3 limit shape second recess, first recess with the second recess can be guaranteed the homogeneity of lock pin body wall thickness, make lock pin body size is more accurate.

As the utility model discloses the improvement of high accuracy high stability's MPO lock pin, first recess with all be equipped with the inclined plane that is greater than 0 degree on the lateral wall of second recess.

As the utility model discloses the improvement of high accuracy high stability's MPO lock pin, still be equipped with the injecting glue mouth on the first side.

As the utility model discloses an improvement of MPO lock pin of high accuracy high stability, lock pin body front end extremely the position of injecting glue mouth is equipped with the leading-in unit of one row at least optic fibre, every row be provided with eight at least optical fiber holes on the leading-in unit of optic fibre side by side.

As an improvement of the high-precision high-stability MPO ferrule of the present invention, the first groove and the inclined plane on the side wall of the second groove are outwardly opened structures.

As the utility model discloses a high accuracy high stability's an improvement of MPO lock pin, the rear end of lock pin body is equipped with the packing groove of gluing, the packing groove with injecting glue mouth intercommunication.

As the utility model discloses the improvement of high accuracy high stability's MPO lock pin, lock pin body front end is equipped with the locating hole that runs through this lock pin body to the rear end.

Compared with the prior art, the utility model has the advantages that: the utility model discloses be provided with at least one and be no less than 3 limit's recess at the first side of lock pin body and second side, reduce the gluey volume of lock pin body through two recesses, make the lock pin body more stereotype in the injecting glue refrigerated, can guarantee the homogeneity of lock pin body wall thickness, make more accurate, more accurate after the optical fiber hole cooling is stereotyped.

Drawings

The invention and its advantageous technical effects are described in further detail below with reference to the accompanying drawings and embodiments, in which:

fig. 1 is a schematic view of the front three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the front three-dimensional structure of the present invention.

Reference symbol names: 1. the optical fiber ferrule comprises a ferrule body 2, a first side surface 3, a second side surface 4, a first groove 5, a second groove 6, an inclined surface 7, a glue injection port 8, an optical fiber leading-in unit 9, an optical fiber hole 10 and a positioning hole.

Detailed Description

The invention will be further described below with reference to the drawings and specific examples, but the embodiments of the invention are not limited thereto.

As shown in fig. 1 and 2, the high-precision high-stability MPO ferrule comprises a ferrule body 1, wherein the ferrule body 1 is provided with a first side surface 2 and a second side surface 3, at least one first groove 4 which is not less than 3-sided is arranged on the first side surface 2, at least one second groove 5 which is not less than 3-sided is arranged on the second side surface 3, and the first groove 4 and the second groove 5 can ensure the uniformity of the wall thickness of the ferrule body 1 and ensure that the size of the ferrule body 1 is more precise. The utility model discloses under the prerequisite of the volume is glued in the preparation that reduces lock pin body 1, the homogeneity of 1 wall thickness of improvement lock pin body that can be fine, make lock pin body size more accurate, promote the stability of MPO lock pin size to reduce data transmission's decay and promote data transmission's stability. The first groove 4 and the second groove 5 may also be circular or oval or the like.

Preferably, the side walls of the first groove 4 and the second groove 5 are both provided with a slope 6 greater than 0 degree.

Preferably, the first side surface 2 is further provided with a glue injection opening 7.

Preferably, at least one row of optical fiber lead-in units 8 is arranged at the position from the front end of the ferrule body 1 to the glue injection port 7, and at least eight optical fiber holes 9 are arranged in parallel on each row of optical fiber lead-in units 8. The number of the optical fiber holes 9 can be set as required, the number of the optical fiber holes corresponds to the number of the optical fiber core wires, and the optical fiber can be made of eight-core optical fiber, sixteen-core optical fiber, twenty-four-core optical fiber, thirty-two-core optical fiber, forty-eight-core optical fiber, or the like.

Preferably, the inclined surfaces 6 on the side walls of the first and second grooves 4 and 5 are in an outward flaring structure.

Preferably, the rear end of the ferrule body 1 is provided with a glue filling groove, and the glue filling groove is communicated with the glue filling port 7. The front end and the rear end of the ferrule body are both cuboid structures, and the side area of the cuboid structure at the front end of the ferrule body is smaller than that of the cuboid structure at the rear end of the ferrule body.

Preferably, the ferrule body 1 is provided with a positioning hole 10 penetrating through the ferrule body 1 from the front end to the rear end.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and structures of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high accuracy high stability's MPO lock pin, includes the lock pin body, its characterized in that, the lock pin body has first side and second side, be equipped with at least one on the first side and be no less than 3 limit shape first recess, be equipped with at least one on the second side and be no less than 3 limit shape second recess, first recess with the second recess can be guaranteed the homogeneity of lock pin body wall thickness, make lock pin body size is more accurate.

2. The MPO ferrule with high precision and high stability according to claim 1, wherein the side walls of the first groove and the second groove are provided with inclined surfaces which are larger than 0 degree.

3. The MPO ferrule with high precision and high stability according to claim 2, wherein a glue injection port is further arranged on the first side surface.

4. The MPO ferrule with high precision and high stability according to claim 3, wherein at least one row of fiber lead-in units is arranged from the front end of the ferrule body to the position of the glue injection port, and each row of the fiber lead-in units is provided with at least eight fiber holes in parallel.

5. The high precision high stability MPO ferrule of claim 2, wherein the inclined surfaces on the side walls of the first and second grooves are outwardly flared.

6. The MPO ferrule with high precision and high stability according to claim 4, wherein the rear end of the ferrule body is provided with a glue groove, and the glue groove is communicated with the glue injection port.

7. The MPO ferrule with high precision and high stability according to claim 1, wherein the ferrule body is provided with a positioning hole penetrating through the ferrule body from the front end to the rear end.