CN212623212U

CN212623212U - Novel optical fiber connector

Info

Publication number: CN212623212U
Application number: CN202021692544.6U
Authority: CN
Inventors: 李达
Original assignee: Shenzhen Forlux Technology Co ltd
Current assignee: Shenzhen Forlux Technology Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-02-26
Anticipated expiration: 2030-08-12

Abstract

The utility model relates to a fiber connector technical field discloses a novel fiber connector, including the connector body, the oversheath, the lock pin, the optical fiber core, back lid and dust cap, the preceding tip setting of connector body is located to oversheath detachable cover, the lock pin inlays locates this internal, and the preceding tip of lock pin stretches out the preceding tip of connector body and sets up outward, the concave jack that is equipped with of preceding tip of lock pin, the optical fiber core is inserted and is located in the jack, and be fixed in the jack through glue, the bottom of the back tip of connector body is equipped with a V-arrangement groove that extends along length direction, the back tip of optical fiber core sets up in the V-arrangement inslot, the setting that the rotatable lid of back lid closed is in the top of the back tip of connector body, the dust cap is revolved on the periphery wall of connector body and back lid. The technical scheme of the utility model can realize the high-speed joint of optic fibre, convenient to carry, easy operation, and the optical fiber butt joint is firm, and light signal transmission is stable, and the practicality is strong.

Description

Novel optical fiber connector

Technical Field

The utility model relates to a fiber connector technical field, in particular to novel fiber connector.

Background

The optical fiber connector is a device for making detachable (movable) connection between optical fibers, and precisely butt-joints two end faces of the optical fibers so as to maximally couple the light energy output by the transmitting optical fiber into the receiving optical fiber and minimize the influence on the system caused by the optical fiber connector intervening in the 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.

However, in the existing transmission of optical fiber communication, a large number of optical fiber fusion splicers are butted, and because the construction has the characteristics of stage property and dispersion property, a large number of optical fiber fusion splicers are unrealistic, and the main limitations are as follows: 1. the investment cost is high; 2. is inconvenient to carry; 3. the operation space is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel fiber connector, aim at solving the transmission of current fiber communication and adopt the optical fiber splicer to dock, with high costs, carry inconvenient, the limited technical problem of operating space.

In order to achieve the above object, the novel optical fiber connector provided by the present invention comprises a connector body, an outer sheath, a ferrule, an optical fiber core, a rear cover and a dust cap, wherein the outer sheath is detachably sleeved on the front end of the connector body, the front end and the rear end of the connector body are both extended out of the front end and the rear end of the outer sheath, the ferrule is embedded in the connector body, the front end of the ferrule is extended out of the front end of the connector body, the front end of the ferrule is concavely provided with a through insertion hole matched with the optical fiber core, the optical fiber core is inserted in the insertion hole and fixed in the insertion hole by glue, the bottom of the rear end of the connector body is provided with a V-shaped groove extending along the length direction, the rear end of the optical fiber core is arranged in the V-shaped groove, the V-shaped groove is filled with an optical fiber matching paste for optical fiber butt joint, the rotatable lid of back lid closes sets up the top of the rear end of connector body, the periphery wall of connector body and back lid all is equipped with the external screw thread, the preceding tip of dust cap is equipped with the internal thread, dust cap revolve in set up on the periphery wall of connector body and back lid, the rear end of connector body and back lid all is equipped with the logical groove that supplies the optical cable to pass, the rear end of dust cap is equipped with the through-hole that supplies the optical cable to pass.

Furthermore, two opposite side walls of the front end portion of the connector body are respectively provided with a buckle protrusion in a protruding mode, two side walls of the outer sheath are respectively provided with a buckle groove in a concave mode, and the buckle protrusions are respectively detachably embedded in the buckle grooves.

Furthermore, two opposite side walls of the front end portion of the connector body are respectively provided with a limiting block in a protruding mode, two side walls of the outer sheath are respectively provided with a limiting groove in a concave mode, the limiting grooves correspond to the limiting blocks, the limiting grooves are communicated with the buckling grooves, and the limiting blocks can respectively slide in the limiting grooves.

Furthermore, the both sides wall of the back tip of connector body is the relative protruding minor axis that is equipped with respectively, the both sides wall of the preceding tip of back lid is the relative C type groove that is equipped with respectively, the minor axis detachable card is located respectively C type inslot sets up, just C type groove all with minor axis rotatable coupling.

Furthermore, the ferrule is made of ceramic materials.

Furthermore, the upper end wall and the lower end wall of the rear end part of the outer sheath are respectively provided with a plurality of anti-skidding bulges.

Further, the peripheral wall of the front end of the dustproof cap is arranged in a hexahedral structure.

Furthermore, a limiting bulge is convexly arranged on the lower end wall of the front end part of the outer sheath.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical proposal of the utility model is that the front end part of the connector body is sleeved with a detachable outer sheath, the front end part and the rear end part of the connector body are both arranged outside the front end part and the rear end part of the outer sheath, the ferrule is embedded in the connector body, the front end part of the ferrule is arranged outside the front end part of the connector body, the front end part of the ferrule is concavely provided with a through jack matched with the optical fiber core, the optical fiber core is inserted in the jack and fixed in the jack through glue, the bottom of the rear end part of the connector body is provided with a V-shaped groove extending along the length direction, the rear end part of the optical fiber core is arranged in the V-shaped groove, the rear cover can be rotatably covered and arranged above the rear end part of the connector body, the peripheral walls of the connector body and the rear cover are both provided with external threads, the front end part of the dust cap is provided with internal threads, the dust cap is screwed on, the rear end of connector body and back lid all is equipped with the logical groove that supplies the optical cable to pass, and the rear end of dust cap is equipped with the through-hole that supplies the optical cable to pass to realize the high-speed joint of optic fibre, can need not melt fine dish, easy operation, the construction is quick, does not have special requirement to operational environment, and the instrument is simple, convenient to carry, and the cost can show the reduction, and the butt joint of optic fibre is firm, and optical signal transmission is stable, convenient operation, and the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a novel optical fiber connector according to an embodiment of the present invention;

fig. 2 is a schematic view of another perspective overall structure of a novel optical fiber connector according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of a novel optical fiber connector according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a novel fiber connector.

As shown in fig. 1 to 3, in an embodiment of the present invention, the novel optical fiber connector includes a connector body 101, an outer sheath 102, a ferrule 103, an optical fiber core (not shown), a rear cover 104 and a dust cap 105, wherein the outer sheath 102 is detachably sleeved on the front end portion of the connector body 101, the front end and the rear end of the connector body 101 both extend out of the front end and the rear end of the outer sheath 102, the ferrule 103 is embedded in the connector body 101, the front end of the ferrule 103 extends out of the front end of the connector body 101, a through insertion hole 1031 adapted to the optical fiber core is recessed in the front end portion of the ferrule 103, the optical fiber core is inserted into the insertion hole 1031 and fixed in the insertion hole 1031 by glue, a V-shaped groove 1011 extending along a length direction is formed at the bottom of the rear end portion of the connector body 101, the rear end of optic fibre core set up in V-arrangement inslot 1011, the V-arrangement inslot 1011 is filled with the optic fibre matching cream that is used for the optic fibre butt joint, the setting that the rotatable lid of back lid 104 closed is in the top of the rear end of connector body 101, the periphery wall of connector body 101 and back lid 104 all is equipped with external screw thread (1012, 1041), the front end of dust cap 105 is equipped with internal thread 1051, dust cap 105 revolve in set up on the periphery wall of connector body 101 and back lid 104, the rear end of connector body 101 and back lid 104 all is equipped with the logical groove 1013 that supplies the optical cable to pass, the rear end of dust cap 105 is equipped with the through-hole 1052 that supplies the optical cable to pass.

Specifically, two opposite side walls of the front end of the connector body 101 are respectively provided with a protruding buckle 1014, two side walls of the outer sheath 102 are respectively provided with a concave buckle groove 1021, and the protruding buckle 1014 is respectively detachably embedded in the buckle groove 1021.

Specifically, two opposite side walls of the front end portion of the connector body 101 are respectively provided with a stop block 1015 in a protruding manner, two side walls of the outer sheath 102 are respectively provided with a concave limit groove 1022 corresponding to the stop block 1015 in a recessed manner, the limit groove 1022 is communicated with the buckle groove 1021, and the stop blocks 1015 can be respectively arranged along the limit groove 1022 in a sliding manner.

Specifically, two opposite side walls of the rear end portion of the connector body 101 are respectively provided with a short shaft 1016 in a protruding manner, two opposite side walls of the front end portion of the rear cover 104 are respectively provided with a C-shaped groove 1042 in an opposite manner, the short shafts 1016 are respectively detachably clamped in the C-shaped grooves 1042, and the C-shaped grooves 1042 are rotatably connected with the short shafts 1016, so that the rear cover can be conveniently opened to connect optical fibers.

Specifically, the ferrule 103 is formed of a ceramic material.

Specifically, the upper and lower end walls of the rear end portion of the outer sheath 102 are respectively provided with a plurality of anti-slip protrusions 1023.

Specifically, the peripheral wall of the front end portion of the dust cap 105 is provided in a hexahedral structure, so that the dust cap is convenient to rotate.

Specifically, a limiting protrusion 1024 is convexly arranged on the lower end wall of the front end portion of the outer sheath 102, so that when the outer sheath is inserted into the interface of the display screen, a limiting effect is achieved, and a direction error is prevented.

Specifically, the utility model discloses a theory of operation does: firstly, a section of bare fiber is placed in the insert core in advance, two end faces are ground, the other end is placed in the V-shaped groove, meanwhile, an optical fiber matching paste for optical fiber butt joint is filled in the V-shaped groove, the optical fiber matching paste is a soft, non-sticky, water-blocking, non-toxic and harmless and glittering and translucent paste compound, the refraction and the optical fiber width are achieved, the oil separation rate is zero, the good oxidation resistance and the long-term stability are achieved, Fresnel reflection generated due to air gaps with low refractive index between the end faces of the optical fiber can be reduced by using the optical fiber matching paste, and an operator only needs to insert the optical fiber with the other end cut into the V-shaped groove from the rear end part of the dustproof cap on site; because the preset bare fiber is ground and the butt joint part is filled with the optical fiber matching paste, the grinding and gluing on the construction site are not needed, the flatness of the cutting of the end face of the optical fiber is not excessively depended on, and the requirement on the proficiency of an operator is greatly reduced; because the terminal surface of optical fiber splice adopts the process of grinding in advance, therefore the return loss index is good, can realize better insertion loss (below 0.5 dB) and return loss (more than 45 dB) index, reliability and stability are higher, in order to guarantee the terminal surface quality and the good reflectance property of connector, can adopt this optical fiber connection to carry out direct termination, consequently can not need to melt the fine dish, easy operation, the construction is quick, do not have special requirement to the operating environment, the instrument is simple, and convenient to carry, and the cost can show the reduction, and the butt joint of optic fibre is firm, optical signal transmission is stable, therefore, the clothes hanger is strong in practicability.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A novel optical fiber connector is characterized by comprising a connector body, an outer sheath, an inserting core, an optical fiber core, a rear cover and a dustproof cap, wherein the outer sheath is detachably sleeved on the front end part of the connector body, the front end part and the rear end part of the connector body extend out of the front end part and the rear end part of the outer sheath, the inserting core is embedded in the connector body, the front end part of the inserting core extends out of the front end part of the connector body, a through inserting hole matched with the optical fiber core is concavely arranged at the front end part of the inserting core, the optical fiber core is inserted in the inserting hole and fixed in the inserting hole through glue, a V-shaped groove extending along the length direction is arranged at the bottom of the rear end part of the connector body, the rear end part of the optical fiber core is arranged in the V-shaped groove, and optical fiber matching paste for optical fiber butt joint is filled in the V-shaped groove, the rotatable lid of back lid closes sets up the top of the rear end of connector body, the periphery wall of connector body and back lid all is equipped with the external screw thread, the preceding tip of dust cap is equipped with the internal thread, dust cap revolve in set up on the periphery wall of connector body and back lid, the rear end of connector body and back lid all is equipped with the logical groove that supplies the optical cable to pass, the rear end of dust cap is equipped with the through-hole that supplies the optical cable to pass.

2. The novel optical fiber connector according to claim 1, wherein two opposite side walls of the front end portion of the connector body are respectively provided with a buckle protrusion in a protruding manner, two side walls of the outer sheath are respectively provided with a buckle groove in a recessed manner, and the buckle protrusions are respectively detachably embedded in the buckle grooves.

3. The novel optical fiber connector according to claim 2, wherein two opposite side walls of the front end of the connector body are respectively provided with a stop block, two side walls of the outer sheath are respectively provided with a concave stop groove corresponding to the stop block, the stop grooves are communicated with the buckling grooves, and the stop blocks can respectively slide along the stop grooves.

4. The novel optical fiber connector as claimed in claim 1, wherein a short shaft is protruded from each of two opposite side walls of the rear end portion of the connector body, a C-shaped groove is protruded from each of two opposite side walls of the front end portion of the rear cover, the short shafts are detachably engaged with the C-shaped grooves, and the C-shaped grooves are rotatably connected with the short shafts.

5. The novel fiber optic connector of claim 1, wherein the ferrule is formed of a ceramic material.

6. The novel optical fiber connector according to claim 1, wherein the upper and lower end walls of the rear end portion of the outer sheath are respectively provided with a plurality of anti-slip projections.

7. The novel optical fiber connector of claim 1, wherein the outer peripheral wall of the front end portion of the dust cap is provided in a hexahedral structure.

8. The novel optical fiber connector as claimed in claim 1, wherein a limiting protrusion is protruded from a lower end wall of the front end portion of the outer sheath.