CN219475876U

CN219475876U - Optical fiber adapter and optical fiber communication equipment

Info

Publication number: CN219475876U
Application number: CN202320371152.7U
Authority: CN
Inventors: 陈能福
Original assignee: Shenzhen Nansuerte Technology Co ltd
Current assignee: Shenzhen Nansuerte Technology Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-08-04
Anticipated expiration: 2033-02-21

Abstract

The application relates to optical fiber adapter and optical fiber communication equipment, optical fiber adapter is including having the main part that both ends are the LC interface, the inside of main part is equipped with the connecting pipe, the inside of connecting pipe is equipped with the sleeve pipe, the first LC interface department of main part is equipped with dustproof construction, dustproof construction includes dustproof door and elastic component, dustproof door rotatable articulated be in the inner wall of first LC interface, the elastic component butt in dustproof door with between the main part. Through setting up dustproof construction, make first LC interface when not having the access fiber coupling, prevent dust and debris and get into in the main part, guarantee the inside clean of main part, and its simple structure.

Description

Optical fiber adapter and optical fiber communication equipment

Technical Field

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

Background

The optical fiber is a glass fiber or transparent plastic fiber which can transmit light and has a fine shape, and when the optical fiber is applied to optical communication, an optical fiber adapter is usually assembled at one end of an indoor optical cable, and the optical fiber adapter can be used as an optical fiber interface of the optical fiber communication equipment when being fixedly arranged on a shell of the optical fiber communication equipment.

Common fiber interfaces include ST-type, SC-type, FC-type, LC-type, etc., LC-type interfaces were developed by Bell research institute and made using a modular jack (RJ) latching mechanism that is convenient to operate. The size of the pin and the sleeve adopted by the device is half of that of common SC, FC and the like, and is 1.25mm. This can increase the density of fiber optic connectors in a fiber optic distribution frame, with LC type connectors actually having been dominant in terms of single mode SFF.

Disclosure of Invention

The utility model aims to provide an optical fiber adapter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the technical scheme of this application is to provide an optical fiber adapter, including having the main part that both ends are the LC interface, the inside of main part is equipped with the connecting pipe, the inside of connecting pipe is equipped with the sleeve pipe, the first LC interface department of main part is equipped with dustproof construction, dustproof construction includes dustproof door and elastic component, the rotatable articulated of dustproof door is in the inner wall of first LC interface, the elastic component butt in dustproof door with between the main part.

The technical effect of this technical scheme lies in, through setting up dustproof construction, makes first LC interface when not having the access fiber coupling, prevents that dust and debris from getting into in the main part, guarantees the inside clean of main part, and its simple structure.

In one embodiment of the technical scheme, the dustproof door comprises a door plate, a shaft portion and a blocking portion, wherein the shaft hole for shaft portion installation and matching is formed in the inner wall of the first LC interface of the main body, the door plate rotates around the shaft portion, and the blocking portion is used for limiting the position of the door plate.

In one embodiment of the technical scheme, the main body is further provided with a mounting structure, and the mounting structure is used for fixedly connecting the main body;

the mounting structure comprises a buckling part formed on the main body, and the buckling part is used for buckling connection; or, the mounting structure comprises a mounting part formed on the main body, and a fixing hole for screw connection is formed in the mounting part; alternatively, the mounting structure includes a metal terminal connected to the body, the metal terminal being for solder connection.

In an embodiment of this technical scheme, the first LC interface of the main body is provided with a first foolproof structure, the first foolproof structure includes a first protruding strip disposed on an inner wall of the first LC interface, and a length direction of the first protruding strip extends along a direction of the connecting pipe.

In an embodiment of this technical scheme, the second LC interface of the main body is provided with a second foolproof structure, the second foolproof structure includes a second protruding strip disposed on an inner wall of the second LC interface, and a length direction of the second protruding strip extends along a direction of the connecting pipe.

In one embodiment of the technical scheme, a partition board is arranged in the main body, and a first pipe part is arranged on the partition board; the inside of main part is equipped with the fixed block, be equipped with the second pipe portion on the fixed block, first pipe portion with the coaxial concatenation of second pipe portion is in order to constitute the connecting pipe, the sleeve pipe centre gripping in between the first pipe portion with the second pipe portion.

In one embodiment of the technical solution, the sleeve is made of ceramic material, and the side surface of the sleeve is provided with a slit.

In one embodiment of the technical scheme, the fixing block is provided with an inverted buckle and a protrusion for positioning, the partition plate is provided with a groove corresponding to the protrusion, and the inner wall of the main body is provided with a buckle position corresponding to the inverted buckle.

Another technical solution of the present application is to provide an optical fiber communication device, which includes the optical fiber adapter described in the above technical solution.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments of the present utility model will be briefly described below, the drawings in the following description are only examples, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a fiber optic adapter according to an embodiment of the present application.

FIG. 2 is a side structural view of a fiber optic adapter in an embodiment of the present application.

FIG. 3 is a cross-sectional view of the fiber optic adapter of FIG. 2 taken along the A-A direction.

Fig. 4 is a second perspective view of a fiber optic adapter according to an embodiment of the present application.

Fig. 5 is a third perspective view of a fiber optic adapter according to an embodiment of the present application.

Reference numerals illustrate:

11-a body; 111-first convex strips; 112-second ribs; 113-a separator; 1131-a first tube portion; 115-a fixed block; 1151-a second tube portion; 117-bump; 118-grooves; 119-back-off; 12-connecting pipes; 13-a sleeve; 14-dustproof door; 141-a door panel; 143-a stopper; 142-shaft portion; 15-an elastic member; 16-a snap-fit portion; 17-a mounting part; 171-fixing holes; 18-metal terminals.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The utility model will be described in further detail below with reference to the drawings by means of specific embodiments.

As shown in fig. 1 to 3, the present embodiment is an optical fiber adapter, including a main body 11 having LC interfaces at both ends, a connecting pipe 12 is provided in the main body 11, a sleeve 13 is provided in the connecting pipe 12, a dust-proof structure is provided at a first LC interface of the main body 11, the dust-proof structure includes a dust-proof door 14 and an elastic member 15, the dust-proof door 14 is rotatably hinged to an inner wall of the first LC interface, and the elastic member 15 is abutted between the dust-proof door 14 and the main body 11.

The optical fiber adapter is installed on the optical fiber communication device, and is used as an optical fiber interface of the optical fiber communication device, the first LC interface having a dustproof structure is usually used for external connection towards the outside, the second LC interface of the main body 11 is used for connection with a component in the optical fiber communication device, the connector of the optical fiber cable is directly plugged into the first LC interface and the second LC interface, and the connectors at two ends of the optical fiber adapter are connected by optical transmission through the sleeve 13 in the connecting pipe 12.

Because the first LC interface is exposed outside the optical fiber communication device, dust is easy to be carried out when the first LC interface is not connected and not used, the existing dust-proof mode is to increase the protection cover, but the protection cover is easy to drop or lose, and the optical fiber adapter of the embodiment is inconvenient to use, so that the first LC interface prevents dust and sundries from entering the main body 11 when the first LC interface is not connected with the optical fiber connector, the inside of the main body 11 is ensured to be clean, and the structure is simple.

Illustratively, the dust door 14 includes a door panel 141, a shaft 142 and a blocking portion 143, where the door panel 141, the shaft 142 and the blocking portion 143 are integrally formed by injection molding, a shaft hole for installing and matching the shaft 142 is provided on an inner wall of the first LC interface of the main body 11, the door panel 141 rotates around the shaft 142, and the blocking portion 143 is used to define a closed position of the door panel 141, so that the door panel can only not be unfolded outwards, and can only rotate inwards.

When the dustproof door 14 is installed, the elastic piece is sleeved on the rotating shaft of the dustproof door 14, two ends of the shaft portion 142 are installed in the shaft hole, the elastic piece 15 is an elastic piece, one end of the elastic piece is abutted to the door plate 141, the other end of the elastic piece is abutted to the inner wall of the first LC interface, the blocking portion 143 limits the opening angle of the door plate 141, the number of the dustproof doors 14 is two, the two dustproof doors are arranged on two opposite sides of the first LC interface, and the dustproof doors 14 are limited to be opened inwards only.

In order to realize the fixed installation of the optical fiber adapter on the optical fiber communication equipment, the main body 11 is also provided with an installation structure which is used for fixedly connecting the main body 11; the mounting structure includes the buckle portion 16 that forms on main part 11, and buckle portion 16 is used for the buckle to connect, and buckle portion 16 and the buckle phase cooperation on the optical fiber communication equipment realize fixedly during the installation. The number of the fastening parts 16 can be multiple, and can be specifically selected according to practical requirements.

As shown in fig. 5, in other embodiments, the mounting structure may further include a mounting portion 17 formed on the main body 11, the mounting portion 17 being provided with a fixing hole 171 for screw connection; or, the mounting structure includes a metal terminal 18 connected to the main body 11, where the metal terminal 18 is used for welding connection, and when the metal terminal 18 is used for connection, the optical fiber adapter can be fixedly connected to the circuit board in a welding manner, and the number of the metal terminals 18 can be multiple, and can be specifically selected to be evenly distributed on two sides of the main body 1110 according to actual requirements.

The first LC interface of the main body 11 is provided with a first foolproof structure, which includes a first protruding strip 111 disposed on an inner wall of the first LC interface, and a length direction of the first protruding strip 111 extends along a direction of the connecting pipe 12. The second LC interface of the main body 11 is provided with a second foolproof structure, which includes a second protruding strip 112 disposed on an inner wall of the second LC interface, and a length direction of the second protruding strip 112 extends along a direction of the connecting pipe 12. Therefore, the correct splicing direction of the connector of the optical fiber wire is ensured through the fool-proof structure.

A partition plate 113 is arranged in the main body 11, and a first pipe portion 1131 is arranged on the partition plate 113; the fixing block 115 for fixing the sleeve is installed in the main body 11, the second pipe portion 1151 is arranged on the fixing block 115, the first pipe portion 1131 and the second pipe portion 1151 are coaxially spliced to form the connecting pipe 12, and the sleeve 13 is clamped and fixed between the first pipe portion 1131 and the second pipe portion 1151.

The fixing block 115 is provided with a reverse button 119 and two protrusions 117 for positioning, the partition 113 is provided with two grooves 118 corresponding to the protrusions 117, the inner wall of the main body 11 is provided with a button position corresponding to the reverse button 119, and when the fixing block 115 is mounted on the main body 11, the positions of the fixing block are limited by the protrusions 117 and the grooves 118, and the fixing block is fixed by the cooperation of the button position and the reverse button 119. In some other embodiments, the fixing block 115 may be integrally formed with the main body 11, and the sleeve 13 may be embedded in the injection molding process.

The sleeve 13 is made of ceramic material, the outer diameter of the sleeve 13 is slightly smaller than the inner diameter of the connecting pipe 12, so that the sleeve 13 can be just embedded in the connecting pipe 12, and a slit is formed in the side face of the sleeve 13, so that the ceramic sleeve 13 has a certain expansion and contraction space.

The present embodiment shows the structure of a single-core optical fiber adapter and the drawings, but the structure is also applicable to a dual-core and above optical fiber adapter.

The foregoing is a further detailed description of the utility model in connection with specific embodiments, and it is not intended that the utility model be limited to such description. It will be apparent to those skilled in the art that several simple deductions or substitutions can be made without departing from the spirit of the utility model.

Claims

1. The optical fiber adapter is characterized by comprising a main body with LC interfaces at two ends, wherein a connecting pipe is arranged in the main body, a sleeve is arranged in the connecting pipe, a dustproof structure is arranged at a first LC interface of the main body, the dustproof structure comprises a dustproof door and an elastic piece, the dustproof door is rotatably hinged to the inner wall of the first LC interface, and the elastic piece is abutted to the dustproof door and the main body.

2. The fiber optic adapter of claim 1, wherein the dust door includes a door plate, a shaft portion, and a stop portion, the first LC interface inner wall of the main body having a shaft aperture for shaft portion installation engagement, the door plate being rotatable about the shaft portion, the stop portion being configured to define a position of the door plate.

3. The fiber optic adapter of claim 1, wherein the body further has a mounting structure thereon for fixedly connecting the body;

4. The fiber optic adapter of claim 1, wherein the first LC interface of the main body is provided with a first foolproof structure comprising a first protrusion disposed on an inner wall of the first LC interface, and a length direction of the first protrusion extends in a direction of the connection tube.

5. The fiber optic adapter of claim 4, wherein the second LC interface of the main body is provided with a second foolproof structure comprising a second protrusion disposed on an inner wall of the second LC interface, and a length direction of the second protrusion extends in a direction of the connection tube.

6. The fiber optic adapter of claim 1, wherein a bulkhead is provided within the body, the bulkhead having a first tube portion; the inside of main part is equipped with the fixed block, be equipped with the second pipe portion on the fixed block, first pipe portion with the coaxial concatenation of second pipe portion is in order to constitute the connecting pipe, the sleeve pipe centre gripping in between first pipe portion with the second pipe portion.

7. The fiber optic adapter of claim 6, wherein the ferrule is a ferrule made of a ceramic material, and wherein the ferrule is slotted on a side surface.

8. The optical fiber adapter according to claim 6, wherein the fixing block is provided with a back-off and a protrusion for positioning, the partition plate is provided with a groove corresponding to the protrusion, and the inner wall of the main body is provided with a buckling position corresponding to the back-off.

9. A fibre optic communications device comprising a fibre optic adapter as claimed in any one of claims 1 to 8.