CN213122362U

CN213122362U - Optical fiber connector

Info

Publication number: CN213122362U
Application number: CN202022490362.7U
Authority: CN
Inventors: 邹支农
Original assignee: Suzhou Tfc Optical Communication Co ltd
Current assignee: Suzhou Tfc Optical Communication Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-05-04
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses an optical fiber connector, include: the interface assembly comprises an outer tube body, a guide sleeve and a first inserting core, wherein the butt joint end of the first inserting core is inserted in the guide sleeve along the axial direction; the tail end of the second inserting core is connected to the tail handle, and the butt joint end of the second inserting core is axially inserted into the guide sleeve and is in butt joint with the butt joint end of the first inserting core; the shell is sleeved on the outer tube body and the tail handle and used for limiting the inserting core assembly on the interface assembly; the outer wall of the outer pipe body and the inner wall of the shell are provided with matched threads, and the threads are used for screwing the shell and the outer pipe body. The utility model provides an optical fiber connector connects the lock pin subassembly equipment on the interface module through the casing of spiro union on the outer body of interface module, and this kind of connected mode not only docks firmly, is convenient for assemble and dismantle moreover, can be very convenient carry out the change of subassembly, can effectively provide production efficiency.

Description

Optical fiber connector

Technical Field

The utility model belongs to the technical field of the connector, concretely relates to fiber connector.

Background

The interface assembly and the ferrule assembly of the existing optical fiber connector are usually connected by an adhesive, and the connecting mode has the defects of complicated assembling operation and difficult disassembly for replacing the assemblies.

Therefore, there is a need to provide a new optical fiber connector.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an equipment is convenient and be convenient for the fiber connector that the subassembly was changed to solve the problem among the prior art.

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

an optical fiber connector comprising:

the interface assembly comprises an outer body, a guide sleeve and a first inserting core, wherein the outer body is sleeved on the guide sleeve, and the butt joint end of the first inserting core is axially inserted into the guide sleeve;

the tail end of the second inserting core is connected to the tail handle, and the butt joint end of the second inserting core is axially inserted into the guide sleeve and is in butt joint with the butt joint end of the first inserting core;

the shell is sleeved on the outer pipe body and the tail handle and used for limiting the inserting core assembly on the interface assembly;

the outer wall of the outer pipe body and the inner wall of the shell are provided with threads matched with each other, and the threads are used for being in threaded connection with the shell and the outer pipe body.

Further, an outer flange is formed on the outer wall of the outer tube body in a protruding mode along the radial direction, and the outer flange is arranged close to the front end of the threads on the outer wall of the outer tube body.

Furthermore, the front end of the tail handle is provided with a boss which is formed by protruding along the radial direction, the rear end of the shell is formed by protruding inwards along the radial direction to form an inner flange, an elastic piece is arranged between the boss and the inner flange, one end of the elastic piece is abutted against the boss, and the other end of the elastic piece is abutted against the inner flange so as to provide thrust for the boss and the inner flange.

Furthermore, the rear end of the outer tube body protrudes and extends along the axial direction to form an inserting strip, and a slot matched with the inserting strip is arranged on the lug boss of the tail handle, so that the outer tube body and the tail handle can be mutually inserted and positioned.

Further, the rear end of the tail handle extends axially outside the housing.

Further, the outer peripheries of the outer and inner flanges are configured in a hexagonal configuration.

Further, the first ferrule has a first fiber receptacle extending in the axial direction, the second ferrule has a second fiber receptacle extending in the axial direction, and the first fiber receptacle and the second fiber receptacle are coaxially arranged.

Further, the butt ends of the first ferrule and the second ferrule are formed with chamfers.

Furthermore, an end cover is fixedly installed at the front end of the outer tube body, the end cover is arranged in the outer tube body and used for limiting the guide sleeve in the outer tube body, an inserting through hole is formed in the end cover, and the first inserting core can penetrate through the inserting through hole to be inserted into the guide sleeve.

Furthermore, a gap is formed between the guide sleeve and the outer tube body, and the gap is filled with insulating glue for fixedly connecting the guide sleeve and the outer tube body.

The utility model discloses beneficial effect:

compared with the prior art, the utility model provides an optical fiber connector through the casing of spiro union on the outer body of interface module with lock pin module assembly connection on interface module, this kind of connected mode not only the butt joint firm, be convenient for moreover assemble and dismantle, can be very convenient carry out the change of subassembly, can effectively provide production efficiency.

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

fig. 3 is an exploded schematic view of the embodiment shown in fig. 1.

Description of reference numerals: 1-an interface component; 11-an outer body; 12-a guide sleeve; 13-a first ferrule; 14-gap; 15-end cap; 111-cutting; 112-an outer flange; 131-a first fiber receptacle; 151-plug-in through holes; 2-a ferrule assembly; 21-a second ferrule; 22-tail handle; 211-a second fiber receptacle; 221-a boss; 222-slot; 223-a housing chamber; 3-a shell; 31-inner flange; 4-elastic member.

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. 1-3, an optical fiber connector according to a preferred embodiment of the present invention includes: the connector assembly 1, the ferrule assembly 2 and the housing 3.

The interface assembly 1 comprises an outer body 11, a guide sleeve 12 and a first ferrule 13. The outer tube body 11 is sleeved on the guide sleeve 12, and the butt end of the first ferrule 13 is at least partially inserted into the guide sleeve 12 along the axial direction. The outer body 11 is substantially cylindrically tubular, and the inner diameter of the outer body 11 is arranged slightly larger than the outer diameter of the guide sleeve 12, so that a gap 14 can be formed between the outer body 11 and the guide sleeve 12. The gap 14 is filled with an insulating paste for fixedly connecting the guide sleeve 12 and the outer tube body 11.

Specifically, the interface assembly 1 further comprises an end cap 15, the end cap 15 being fixedly mounted to the front end of the outer body 11 and located inside the outer body 11, the end cap 15 being operable to confine the guide sleeve 12 inside the outer body 11. The end cap 15 is provided with an insertion through hole 151, and the first ferrule 13 can be inserted into the guide sleeve 12 through the insertion through hole 151.

The butt end of the first ferrule 13 axially passes through the plug through hole 151 from the front end of the outer body 11 and is inserted into the guide sleeve 12, and a certain pressing force can be generated between the first ferrule 13 and the end cover 15, so that the first ferrule 13 can be clamped on the end cover 15. The first ferrule 13 has a first fiber insertion hole 131 extending in the axial direction, the first fiber insertion hole 131 is used for inserting an optical fiber, the diameter of the first fiber insertion hole 131 is set to be slightly larger than the diameter of the fiber core, so that the smooth insertion of the fiber core is facilitated, and when one end of the fiber core is abutted, the fiber core can be slightly elastically bent in the first fiber insertion hole 131, so that the fiber core can maintain a certain degree of elastic tension. Preferably, the first ferrule 13 is made of a ceramic material, and edges of the butting end of the first ferrule 13 are formed with chamfers to facilitate the plugging of the first ferrule 13.

The ferrule assembly 2 includes a second ferrule 21 and a tail handle 22. The tail end of the second ferrule 21 is fixedly connected to the tail handle 22, and the butt end of the second ferrule 21 is inserted into the guide sleeve 12 along the axial direction and is butted with the butt end of the first ferrule 13.

Specifically, the front end of the tail handle 22 has a boss 221 formed by radially protruding, the boss 221 is provided with a plurality of slots 222 extending along the axial direction, and the rear end of the outer tube 11 axially protrudes and is formed with an insertion strip 111 matching with the slots 222, so that the outer tube 11 and the tail handle 22 can be mutually inserted and matched for positioning through the insertion strip 111 and the slots 222. The shapes of the insertion groove 222 and the insertion strip 111 are not particularly limited as long as the outer tube body 11 and the tail shank 22 can be inserted in the axial direction. In another embodiment, the positions of part or all of the insertion strips 111 and the insertion grooves 222 may be exchanged, that is, the insertion strips 111 may be provided on the bosses 221 of the tail handle 22, and then the insertion grooves 222 may be provided on the outer tube 11 correspondingly.

Specifically, the tail end of the second ferrule 21 is fixedly connected to the boss 221 of the tail handle 22, the second ferrule 21 has a second fiber insertion hole 211 extending in the axial direction, the second fiber insertion hole 211 can be used for inserting an optical fiber, and the second fiber insertion hole 211 and the first fiber insertion hole 131 are coaxially arranged. The diameter of the second optical fiber insertion hole 211 is set to be slightly larger than that of the optical fiber core so as to facilitate smooth insertion of the optical fiber core, and when one end of the optical fiber core is abutted, the optical fiber core can be slightly elastically bent in the second optical fiber insertion hole 211 so that the optical fiber core maintains a certain degree of elastic tension. Preferably, the second ferrule 21 is made of a ceramic material, and the edge of the mating end of the second ferrule 21 is formed with a chamfer to facilitate the mating of the second ferrule 21.

Specifically, the tail lever 22 has a housing cavity 223 extending in the axial direction, the housing cavity 223 penetrating the tail lever 22 and communicating with the second fiber insertion hole 211 of the second ferrule 21. One end of the receiving cavity 223 is formed with an opening for receiving and receiving the optical fiber, and the other end of the receiving cavity 223 is formed with a hole communicating with the second fiber insertion hole 211 so that the optical fiber can pass through the receiving cavity 223 of the tail lever 22 to reach into the second fiber insertion hole 211. Preferably, the rear end of the second fiber insertion hole 211 is configured in a flared shape gradually converging from the rear to the front to facilitate insertion of the fiber core.

The housing 3 is sleeved on the outer tube 11 and the tail handle 22 and is used for limiting the ferrule assembly 2 on the interface assembly 1. Be equipped with matched with screw thread on the outer wall of outer body 11 and the inner wall of casing 3, this screw thread is used for spiro union casing 3 and outer body 11, can conveniently assemble and dismantle through the mode of this kind of spiro union to the change of each subassembly of being convenient for.

Specifically, the rear end of the housing 3 is formed with an inner flange 31 protruding radially inward, the inner flange 31 is disposed opposite to the boss 221 of the tail handle 22 in the axial direction, an elastic member 4 is disposed between the boss 221 and the inner flange 31, one end of the elastic member 4 abuts against the boss 221 and the other end abuts against the inner flange 31 to provide thrust to the boss 221 and the inner flange 31, so that the tail handle 22 can be firmly inserted into the outer tube 11. Under the cooperation jointly of aforementioned structure, can inject the relative displacement along the axial between interface module 1 and the lock pin subassembly 2 to guarantee the grafting stability between interface module 1 and the lock pin subassembly 2, avoid producing the power change that expend with heat and contract with cold and lead to because of temperature variation between interface module 1 and the lock pin subassembly 2. Preferably, the elastic member 4 is a compression spring sleeved on the tail handle 22. In other embodiments, the elastic member 4 may be a rubber grommet or the like.

Specifically, the rear end of the tail shank 22 is provided to extend axially outside the housing 3. An outer flange 112 is formed on the outer wall of the outer tube 11 and protrudes radially outward, and the outer flange 112 is disposed adjacent to the front end of the thread on the outer wall of the outer tube 11, so that the front end of the housing 3 can abut against the outer flange 112 when the housing 3 screwed on the outer tube 11 is assembled in place. The outer flange 112 of the outer tube 11 and the outer periphery of the inner flange 31 of the housing 3 are configured in a hexagonal structure to facilitate assembly and disassembly between the housing 3 and the outer tube 11.

The utility model provides an optical fiber connector through casing 3 of spiro union on 1 outer body 11 of interface module with 2 equipment connection of lock pin subassembly on interface module 1, this kind of connected mode not only the butt joint firm, be convenient for moreover assemble and dismantle, can be very convenient carry out the change of subassembly, can effectively provide production efficiency.

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 optical fiber connector, comprising:

2. The fiber optic connector of claim 1, wherein an outer flange is formed on the outer wall of the outer barrel projecting radially outward, the outer flange being disposed adjacent the front ends of the threads on the outer wall of the outer barrel.

3. The optical fiber connector according to claim 2, wherein the front end of the tail handle has a boss protruding radially, the rear end of the housing protrudes radially inward to form an inner flange, an elastic member is disposed between the boss and the inner flange, one end of the elastic member abuts against the boss and the other end abuts against the inner flange to provide a pushing force to the boss and the inner flange.

4. The optical fiber connector according to claim 3, wherein the rear end of the outer tube body axially protrudes to form a plug, and the boss of the tail handle is provided with a slot matched with the plug, so that the outer tube body and the tail handle can be mutually inserted and positioned.

5. The fiber optic connector of claim 4, wherein a rear end of the tail shank extends axially outside the housing.

6. The fiber optic connector of claim 5, wherein the outer peripheral edges of the outer and inner flanges are configured in a hexagonal configuration.

7. The fiber optic connector of claim 1, wherein the first ferrule has a first fiber receptacle extending in an axial direction, the second ferrule has a second fiber receptacle extending in the axial direction, and the first and second fiber receptacles are coaxially disposed.

8. The fiber optic connector of claim 7, wherein the mating ends of the first and second ferrules are formed with a chamfer.

9. The optical fiber connector according to claim 1, wherein an end cap is fixedly mounted at a front end of the outer tube body, the end cap is disposed in the outer tube body and is used for limiting the guide sleeve in the outer tube body, the end cap is provided with a plugging through hole, and the first ferrule can pass through the plugging through hole and be plugged in the guide sleeve.

10. The optical fiber connector according to claim 1, wherein a gap is formed between the guide sleeve and the outer tube, and the gap is filled with an insulating glue for fixedly connecting the guide sleeve and the outer tube.