CN218181149U

CN218181149U - Optical fiber connector

Info

Publication number: CN218181149U
Application number: CN202222287468.6U
Authority: CN
Inventors: 王巧巧
Original assignee: Zhejiang Yingfeng Optical Communication Technology Co ltd
Current assignee: Zhejiang Yingfeng Optical Communication Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-30
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses an optical fiber connector, including the tail cover, main part spare, the tail cover links to each other with main part spare joint, and the tail cover is provided with the through-hole that can let in the optical cable, and main part spare is provided with more than one and can elastically stretch out and draw back the lock pin subassembly, and the lock pin subassembly includes mobilizable contact pin and the spring that is connected with the contact pin, and the spring is located between contact pin and the main part spare, and has the elasticity trend that makes the contact pin keep away from the main part spare, through conjuncted fixed connection between a plurality of lock pin subassemblies. The utility model has the advantages of reasonable in design, intensity are enough, get up a plurality of lock pin subassembly fixed connection through antithetical couplet piece to reinforcing structural strength increases the stretching resistance simultaneously, makes people when injecting or extracting, guarantees that optic fibre is inside can not receive the influence, thereby satisfies customer's operation requirement.

Description

Optical fiber connector

Technical Field

The utility model belongs to the technical field of the fiber communication technique and specifically relates to a fiber connector is related to.

Background

Some multi-fiber connectors include a housing having a mating end and a cable access end, and a plurality of single-fiber optical contacts are mounted in the housing of the connector, and the single-fiber optical contacts form a mating portion at the mating end of the housing for mating with a complementary optical contact. The main purpose of the optical fiber connector is to implement optical fiber splicing, and the optical fiber connectors that have been widely used in optical fiber communication systems are of various types and have different structures, but the basic structures of the optical fiber connectors of various types are identical, that is, most optical fiber connectors generally use high-precision components (including three parts, namely two pins and a coupling tube) to implement alignment connection of optical fibers.

However, the optical cable accessed by the optical cable access end may be 6 cores, 8 cores, 12 cores, or more cores, and the optical cable may be divided into a plurality of branches after the decomposition of the single-core optical contact element, and then inserted into the corresponding plug box.

Disclosure of Invention

The utility model aims to solve the technical problem that an optical fiber connector is provided, couple together a plurality of lock pin subassembly fixed connection through the antithetical couplet piece to reinforcing structural strength increases the stretching resistance simultaneously, makes people when injecting or extracting, guarantees that optic fibre is inside can not receive the influence, thereby satisfies customer's operation requirement.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an optical fiber connector, includes tail cover, main part spare, tail cover and main part spare joint link to each other, the tail cover be provided with the through-hole that can let in the optical cable, main part spare be provided with more than one and the elastic telescopic lock pin subassembly, the lock pin subassembly include mobilizable contact pin and the spring that is connected with the contact pin, the spring be located between contact pin and the main part spare, and have the elasticity trend that makes the contact pin keep away from the main part spare, it is a plurality of the lock pin subassembly between through conjuncted piece fixed connection.

Adopt above-mentioned structure, couple together single lock pin subassembly fixed connection through conjuncted piece to increase tensile strength, avoid people when carrying out the plug, have the possibility of damaging inside optic fibre, protect effectively the utility model discloses a security is with the operation requirement that satisfies the customer, and increase of service life.

As a further improvement, the outer ring cover of the contact pin is provided with a sheath assembly, the sheath assembly comprises a coupling piece and a middle connecting piece, the coupling piece is connected with the middle connecting piece joint, the middle connecting piece cover is arranged on the outer ring of the spring and is connected with the main body piece joint.

As a further improvement, the conjoined member is provided with a plurality of insertion parts, a plurality of the insertion parts are connected through the rigid coupling parts, the rigid coupling parts are inserted in the outer parts of the main body member, the coupling member and the middle coupling member and are connected with the coupling member joint.

As a further improvement, the coupling member is provided with an outer convex block, the joint member in be provided with the indent block in the grafting portion, outer convex block and indent block joint fixed.

As a further improvement, the inside of the inserting part is provided with a limit frame, and the coupling piece is provided with a limit part matched with the limit frame.

As a further improvement, the fixed connection part is provided with a plurality of anti-skid strips, and the anti-skid strips are arranged along the periphery of the insertion part in parallel.

As a further improvement, the coupling piece is provided with a jack, the jack is located the outside of the contact pin, and has an interval with the contact pin.

As a further improvement, the middle connecting piece is provided with two clamping blocks which are symmetrical front and back, and the coupling piece is provided with two clamping grooves matched with the two clamping blocks.

As a further improvement of the utility model, the contact pin cover be equipped with the protective sheath.

The utility model has the advantages of reasonable in design, intensity are enough, get up a plurality of lock pin subassembly fixed connection through the antithetical couplet piece to reinforcing structural strength increases the stretching resistance simultaneously, makes people when injecting or extracting, guarantees that optic fibre is inside can not receive the influence, thereby satisfies customer's operation requirement. When people want to plug the utility model, the hands can be directly held by the connecting piece, the operation is convenient, meanwhile, the contact pin keeps the trend of keeping away from the main body piece all the time under the action of the spring, the opponent piece matched with the contact pin is ensured to be well inserted and the connection is reliable, in addition, the external optical cable can be communicated with the contact pin in the ferrule assembly after being inserted through the through hole of the tail sleeve, and the communication is ensured to be smooth; because of the antithetical couplet piece gives fixed connection a plurality of lock pin subassemblies, compare the mode of original single core light contact spare, strengthen to some extent in structural strength, make people when the plug, guarantee that optic fibre is inside can not receive the influence to this user demand who has satisfied the customer.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of a coupling;

FIG. 4 is a schematic structural view of the monolith;

fig. 5 is a schematic structural view of the middle link.

The reference numbers in the figures illustrate:

1. a tail sleeve; 2. a main body member; 3. a ferrule assembly; 4. a union piece; 5. a jacket assembly; 6. a protective sleeve;

11. a through hole; 31. inserting a pin; 32. a spring; 41. a plug-in part; 42. a fixed connection part; 51. a coupling member; 52. a middle connecting piece;

411. an inner concave block; 412. a limiting frame; 413. anti-slip strips; 511. an outer bump; 512. a limiting part; 513. inserting holes; 514. a card slot; 521. and (7) a clamping block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 5: the utility model provides an optical fiber connector, including tail cover 1, main part 2, tail cover 1 links to each other with main part 2 joint, tail cover 1 is provided with the through-hole 11 that can let in the optical cable, main part 2 is provided with more than one and elastically telescopic's lock pin subassembly 3, lock pin subassembly 3 includes mobilizable contact pin 31 and the spring 32 that is connected with contact pin 31, spring 32 is located between contact pin 31 and the main part 2, and has the elasticity trend that makes contact pin 31 keep away from main part 2, through linking 4 fixed connection between a plurality of lock pin subassemblies 3.

Further, in the present embodiment, the number of the plurality of ferrule assemblies 3 is certainly more than one, as shown in fig. 1 to fig. 2, the number of the ferrule assemblies 3 is two, the two ferrule assemblies 3 are fixedly connected by the connecting member 4 to increase the tensile strength, and the optical fiber connection inside the ferrule assemblies 3 is prevented from being affected by people in the plugging and unplugging process, so that the ferrule assemblies 3 are effectively protected, and the use requirements of people can be met.

The outer ring of the pin 31 is sleeved with a sheath assembly 5, the sheath assembly 5 comprises a coupling piece 51 and a middle connection piece 52, the coupling piece 51 is connected with the middle connection piece 52 in a clamping mode, and the middle connection piece 52 is sleeved on the outer ring of the spring 32 and connected with the main body piece 2 in a clamping mode.

Further, in the present embodiment, the sheath assembly 5 formed by combining the coupling member 51 and the middle coupling member 52 provides an effective support and guide for the movement of the spring 32 and the pin 31, and ensures the smooth movement of the spring 32 and the pin 31.

The connecting piece 4 is provided with a plurality of inserting parts 41, the plurality of inserting parts 41 are connected through a fixing part 42, and the fixing part 42 is inserted outside the main body piece 2, the coupling piece 51 and the middle connecting piece 52 and is connected with the coupling piece 51 in a clamping mode.

Furthermore, the structural design of the integrated piece 4 is beneficial to enhancing the structural strength, the assembly operation is simple, and when people assemble the integrated piece, the working efficiency can be improved.

The coupling member 51 is provided with an external protrusion 511, and the connected member 4 is provided with an internal concave block 411 at the insertion part 41, and the external protrusion 511 is fixed with the internal concave block 411 in a clamping manner.

Further, in the present embodiment, the external protrusion 511 located in the coupling member 51 is engaged with the internal protrusion 411 located in the insertion part 41, so as to facilitate assembly.

The inside of the inserting part 41 is provided with a limiting frame 412, and the coupling piece 51 is provided with a limiting part 512 matched with the limiting frame 412.

Further, the limiting frame 412 is combined with the limiting part 512 to prevent the coupling piece 51 from rotating in the insertion part 41, so as to ensure the stability of the coupling piece 51 after installation.

The fixing portion 42 is provided with a plurality of anti-slip strips 413, and the plurality of anti-slip strips 413 are arranged in parallel along the periphery of the insertion portion 41.

Further, when people insert and draw, people certainly can directly grasp the fixed connection part 42 of the connecting piece 4 with hands, and forcibly extract or insert the ferrule assembly 3 so as to meet the use requirements of people.

The coupling element 51 is provided with a plugging hole 513, and the plugging hole 513 is located outside the pin 31 and spaced from the pin 31.

Further, since a space is left between the insertion hole 513 and the pin 31, it is convenient to perform insertion of an external accessory matched with the pin 31 through the space.

The middle coupling piece 52 is provided with two clamping blocks 521 which are symmetrical front and back, and the coupling piece 51 is provided with two clamping grooves 514 which are matched with the two clamping blocks 521.

Further, the two latching blocks 521 located on the middle link 52 are latched with the two latching grooves 514 located on the coupling piece 51, so as to ensure that the middle link 52 and the coupling piece 51 maintain a fixed relative position after being latched and do not rotate or be misaligned.

The pin 31 is sleeved with a protective sleeve 6.

Further, when the pin 31 is in the idle state, a protection cover 6 is disposed over the pin 31 to effectively protect the pin 31 from being invaded by the outside, including dust, moist air, etc.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides an optical fiber connector, includes tail cover (1), main part (2), its characterized in that tail cover (1) link to each other with main part (2) joint, tail cover (1) be provided with through-hole (11) that can let in the optical cable, main part (2) be provided with more than one and elastically telescopic lock pin subassembly (3), lock pin subassembly (3) including mobilizable contact pin (31) and spring (32) that are connected with contact pin (31), spring (32) be located between contact pin (31) and main part (2), and have the elasticity trend that makes contact pin (31) keep away from main part (2), it is a plurality of lock pin subassembly (3) between through antithetical couplet thing (4) fixed connection.

2. The optical fiber connector according to claim 1, wherein a sheath assembly (5) is sleeved on an outer ring of the insertion pin (31), the sheath assembly (5) comprises a coupling member (51) and a middle connecting member (52), the coupling member (51) is connected with the middle connecting member (52) in a clamping manner, and the middle connecting member (52) is sleeved on an outer ring of the spring (32) and connected with the main body member (2) in a clamping manner.

3. An optical fiber connector according to claim 2, wherein the connecting member (4) is provided with a plurality of insertion portions (41), the plurality of insertion portions (41) are connected by a fastening portion (42), and the fastening portion (42) is inserted outside the main body member (2), the coupling member (51) and the middle connecting member (52) and is connected with the coupling member (51) in a snap-fit manner.

4. An optical fiber connector as claimed in claim 3, wherein the coupling member (51) is provided with an external protrusion (511), the coupling member (4) is provided with an internal concave block (411) at the insertion part (41), and the external protrusion (511) is fixed with the internal concave block (411) in a clamping manner.

5. An optical fiber connector according to claim 4, wherein the inside of the insertion part (41) is provided with a limiting frame (412), and the coupling member (51) is provided with a limiting part (512) matched with the limiting frame (412).

6. An optical fiber connector as claimed in claim 3, wherein the fixing portion (42) is provided with a plurality of anti-slip strips (413), and the anti-slip strips (413) are arranged in parallel along the periphery of the insertion portion (41).

7. An optical fiber connector as claimed in claim 2, wherein the coupling member (51) is provided with a plug hole (513), and the plug hole (513) is located outside the pin (31) and spaced from the pin (31).

8. An optical fiber connector according to claim 2, wherein the middle coupling member (52) is provided with two clamping blocks (521) which are symmetrical front and back, and the coupling member (51) is provided with two clamping grooves (514) which are matched with the two clamping blocks (521).

9. An optical fiber connector according to claim 1, wherein said ferrule (31) is sleeved with a boot (6).