CN213398978U

CN213398978U - MPO fiber adapter

Info

Publication number: CN213398978U
Application number: CN202022611736.6U
Authority: CN
Inventors: 邹支农
Original assignee: Gaoan Tianfu Optoelectronic Technology Co ltd
Current assignee: Gaoan Tianfu Optoelectronic Technology Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-06-08
Anticipated expiration: 2030-11-12

Abstract

The utility model discloses a MPO fiber adapter can be used to plug in fiber connector, include: the top wall and the bottom wall of the shell are respectively provided with a first positioning through hole and a second positioning through hole which are coaxially arranged; the body is detachably inserted into the shell, and a third positioning through hole which is coaxial with the first positioning through hole and the second positioning through hole is formed in the side part of the shell; the positioning piece is inserted into the first positioning through hole, the second positioning through hole and the third positioning through hole and used for fixing the body in the accommodating groove of the shell. The MPO optical fiber adapter provided by the utility model can form the shell and the body in different mold cavities by arranging the shell and the body into split type, thereby simplifying the structure of a single mold cavity and facilitating the manufacture of molds; simultaneously, casing and body detachable design are convenient to change one of them, can also become the structure design of general model with the body structure of matching different models with the structure of casing.

Description

MPO fiber adapter

Technical Field

The utility model belongs to the technical field of the fiber optic adapter, concretely relates to split type MPO fiber optic adapter.

Background

MPO fiber adapter refers to multi-core multi-channel plug-in adapter. In the times of explosion of information transmission demand, optical fiber communication revolutionized the way information is transmitted. The optical fibre is often provided with a connector at one end thereof, the connectors of the two optical fibres being connectable together by means of a fibre-optic adapter so that the fibre section is extended.

However, the housing and the body of the existing MPO fiber optic adapters are usually integrally formed, and this design method has high requirements on the mold for preparing the MPO fiber optic adapters and the structure of the mold cavity is complex.

Therefore, in view of the above technical problems, there is a need to provide a new MPO fiber adapter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a split type MPO fiber adapter to solve the problem among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

an MPO fiber optic adapter for plugging a fiber optic connector, comprising:

the shell comprises a top wall, a bottom wall and two opposite side walls, wherein the top wall, the bottom wall and the two side walls jointly enclose an accommodating groove with open front and back ends, and the top wall and the bottom wall are respectively provided with a first positioning through hole and a second positioning through hole which are coaxially arranged;

the body is detachably inserted into the accommodating groove and comprises a top part, a bottom part and two opposite side parts, the top part, the bottom part and the two side parts jointly enclose a butt joint groove which is formed by opening the front end and the rear end and is used for inserting the optical fiber connector, and the side parts are provided with third positioning through holes which are coaxial with the first positioning through holes and the second positioning through holes;

and the positioning piece is inserted into the first positioning through hole, the second positioning through hole and the third positioning through hole and is used for fixing the body in the accommodating groove of the shell.

Furthermore, the inner surfaces of the two side walls of the shell are concavely provided with sliding grooves extending along the front-back direction, the outer surfaces of the two side parts of the body are convexly provided with convex blocks matched with the sliding grooves, and the convex blocks can be slidably inserted into the sliding grooves.

Furthermore, the outer surfaces of the two side walls of the shell are convexly extended to form flanges, and mounting holes are formed in the flanges.

Furthermore, the two side parts of the body are provided with clamping hooks which are used for being matched and clamped with the optical fiber connector, and the clamping hooks extend along the front-back direction.

Further, a first guide groove is concavely arranged on the inner surface of the top of the body, and the first guide groove extends backwards from the front end surface of the top.

Further, a second guide groove is concavely arranged on the inner surface of the bottom of the body, and the second guide groove extends forwards from the rear end face of the bottom.

Furthermore, the positioning piece is in interference fit with the first positioning through hole, the second positioning through hole and the third positioning through hole respectively.

Furthermore, the shell and the body are made of plastics.

Further, the housing is configured to be integrally formed, and the body is configured to be integrally formed.

The utility model discloses beneficial effect:

compared with the prior art, the MPO optical fiber adapter provided by the utility model has the advantages that the shell and the body are arranged into split type, and the shell and the body can be formed in different mold cavities, so that the structure of a single mold cavity is simpler, and the mold is convenient to manufacture; the shell and the body can be made of different materials, so that more selectivity is provided for the design of the MPO optical fiber adapter; simultaneously, casing and body detachable design are convenient to change one of them, can also become the structure design of general model with the body structure of matching different models with the structure of casing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic perspective view of a preferred embodiment of the present application;

FIG. 2 is a schematic perspective view of the embodiment shown in FIG. 1 from another perspective

FIG. 3 is a cross-sectional view of the embodiment shown in FIG. 1;

fig. 4 is an exploded view of the embodiment of fig. 1.

Description of reference numerals: 1-a shell; 11-a top wall; 12-a bottom wall; 13-a side wall; 14-a containing groove; 15-a first positioning through hole; 16-a second positioning through hole; 17-a flange; 18-mounting holes; 19-a chute; 2-body; 21-top; 22-bottom; 23-side part; 24-a docking bay; 25-a third positioning through hole; 26-hook; 27-a first guide groove; 28-a second guide groove; 29-a bump; 3-positioning piece.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In the illustrated embodiment, directional references, i.e., up, down, left, right, front, rear, etc., are relative to each other and are used to explain the relative structure and movement of the various components in the present application. These representations are appropriate when the components are in the positions shown in the figures. However, if the description of the location of an element changes, it is believed that these representations will change accordingly.

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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, an MPO fiber optic adapter according to a preferred embodiment of the present invention includes a housing 1, a body 2, and a positioning member 3.

The housing 1 includes a top wall 11, a bottom wall 12 and two opposite side walls 13, wherein the top wall 11, the bottom wall 12 and the two side walls 13 together enclose a receiving groove 14 with open front and rear ends. Wherein, be equipped with coaxial first positioning through-hole 15 and the second positioning through-hole 16 that sets up respectively on roof 11 and the diapire 12, first positioning through-hole 15 and second positioning through-hole 16 link up respectively roof 11 and diapire 12 of casing 1. Preferably, the top wall 11 and the bottom wall 12 of the housing 1 may be provided with a plurality of sets of first positioning through holes 15 and second positioning through holes 16.

Specifically, flanges 17 are formed on the outer surfaces of the two side walls 13 of the housing 1 in a protruding manner, and mounting holes 18 are formed in the flanges 17, so that the housing 1 can be fixedly mounted on other objects through the mounting holes 18. The material of the case 1 is preferably plastic, and may be, for example, PBT (polybutylene terephthalate) plastic, PEI (polyetherimide) plastic, PPS (polyphenylene sulfide) plastic, or the like. The housing 1 is designed as a single piece and can be produced, for example, by injection molding.

The body 2 is detachably inserted into the receiving groove 14 of the housing 1, the body 2 includes a top portion 21, a bottom portion 22 and two opposite side portions 23, and the top portion 21, the bottom portion 22 and the two side portions 23 together enclose a mating groove 24 for inserting the optical fiber connector, the front end and the rear end of which are open. At least one side portion 23 of the body 2 is provided with a third positioning through hole 25 coaxially arranged with the first positioning through hole 15 and the second positioning through hole 16, and the third positioning through hole 25 penetrates through the side portion 23. Preferably, the body 2 is provided with third positioning through holes 25 on both sides 23, and the corresponding first positioning through holes 15 and second positioning through holes 16 are provided on the top wall 11 and the bottom wall 12 of the housing 1 adjacent to both side walls 13.

Specifically, sliding grooves 19 extending in the front-rear direction are concavely formed on the inner surfaces of the two side walls 13 of the housing 1, and the sliding grooves 19 define an insertion port on the front end surface or the rear end surface of the two side walls 13. The outer surfaces of the two side parts 23 of the body 2 are convexly provided with convex blocks 29 matched with the sliding grooves 19, and the convex blocks 29 can be inserted into the sliding grooves 19 in a sliding way.

Specifically, hooks 26 for engaging with the optical fiber connector are disposed on two side portions 23 of the body 2, the hooks 26 extend in the front-back direction, and a barb portion is formed on an end portion of the hook 26. A first guide groove 27 is concavely provided on the inner surface of the bottom portion 22 of the body 2, and the first guide groove 27 extends rearward from the front end surface of the bottom portion 22 of the body 2. A second guide groove 28 is concavely provided on the inner surface of the top 21 of the body 2, and the second guide groove 28 extends forward from the rear end surface of the top 21 of the body 2. The first guiding groove 27 and the second guiding groove 28 can play a fool-proof, guiding and positioning role for the optical fiber connector when the optical fiber connector is plugged. The material of the main body 2 is preferably plastic, and may be, for example, PBT (polybutylene terephthalate) plastic, PEI (polyetherimide) plastic, PPS (polyphenylene sulfide) plastic, or the like. The body 2 is constructed as an integral part, which may be produced, for example, by an injection molding process.

The positioning element 3 is inserted into the first positioning through hole 15, the second positioning through hole 16 and the third positioning through hole 25, so as to fix the body 2 in the accommodating groove 14 of the housing 1. The positioning piece 3 is in interference fit with the first positioning through hole 15, the second positioning through hole 16 and the third positioning through hole 25 respectively so as to fixedly connect the shell 1 and the body 2 together. The shape of the spacer 3 is not particularly limited, and the spacer 3 may be, for example, a sheet-like shape, a columnar shape, or the like, depending on the shapes of the first positioning through-hole 15, the second positioning through-hole 16, and the third positioning through-hole 25.

The MPO optical fiber adapter provided by the utility model has the advantages that the shell 1 and the body 2 are arranged into split type, and the shell 1 and the body 2 can be formed in different mold cavities, so that the structure of a single mold cavity is simpler, and the mold is convenient to manufacture; the shell 1 and the body 2 can be made of different materials, so that more selectivity is provided for the design of the MPO optical fiber adapter; meanwhile, the detachable design of the shell 1 and the body 2 is convenient to replace one of the shell and the body, and the structure of the shell 1 can be designed into a general model to match with the structure of the body 2 with different models.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An MPO fiber optic adapter for plugging fiber optic connectors, comprising:

2. The MPO fiber adapter according to claim 1, wherein the inner surfaces of the two side walls of the housing are concavely provided with sliding grooves extending in the front-rear direction, the outer surfaces of the two side parts of the body are convexly provided with convex blocks matched with the sliding grooves, and the convex blocks are slidably inserted into the sliding grooves.

3. The MPO fiber optic adapter according to claim 2, wherein flanges are formed projecting from the outer surfaces of the housing side walls, the flanges having mounting holes.

4. The MPO fiber adapter according to claim 1, wherein hooks for engaging with a fiber connector are provided on both sides of the body, and the hooks extend in the front-rear direction.

5. The MPO fiber optic adapter of claim 4, wherein the body base has a first guide groove recessed into an interior surface thereof, the first guide groove extending rearwardly from the front face of the base.

6. The MPO fiber optic adapter of claim 5, wherein the body top has a second guide groove recessed into an interior surface thereof, the second guide groove extending forwardly from the rear end face of the top.

7. The MPO fiber optic adapter of claim 1, wherein the positioning members are in interference fit with the first, second, and third positioning through holes, respectively.

8. The MPO fiber optic adapter of claim 1, wherein the housing and body are plastic.

9. The MPO fiber optic adapter of claim 1, wherein the housing is configured to be integrally molded and the body is configured to be integrally molded.