CN214954226U

CN214954226U - Fiber coupler for fiber optic cabling system

Info

Publication number: CN214954226U
Application number: CN202121582752.5U
Authority: CN
Inventors: 张凯
Original assignee: Shenzhen Longte Communication Technology Co ltd
Current assignee: Shenzhen Longte Communication Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-11-30
Anticipated expiration: 2031-07-13

Abstract

The utility model relates to the technical field of optical communication devices, and discloses an optical fiber coupler for an optical fiber wiring system, which enables the ferrule of an optical fiber connector to be accurately aligned by respectively inserting the ferrule of the optical fiber connector into an alignment sleeve and abutting the inner peripheral wall of the alignment sleeve with the outer peripheral wall of the ferrule respectively, thereby preventing the position of the ferrule of the optical fiber connector from being displaced and avoiding excessive loss of the ferrule in the plugging and unplugging process, and realizing accurate butt joint of two end faces of the optical fiber core, so that the optical signal has good coupling performance and high passing rate, the stability of optical signal transmission is improved, and two multimode or single-mode optical fiber connectors can be accurately connected through a first elastic buckle arm and a second elastic buckle arm of an upper end wall and a lower end wall of a first shell, the practicability is strong.

Description

Fiber coupler for fiber optic cabling system

Technical Field

The utility model relates to an optical communication device technical field, in particular to an optical fiber coupler for optic fibre wiring system.

Background

The optical fiber coupler is an optical fiber movable connector centering connecting part, is mainly used for connecting two optical fiber connectors in an optical fiber wiring system, enables an optical path to transmit according to a required channel so as to finish a preset purpose, can be disconnected at any time, is generally assembled on various adapter panels and chassis, is an important optical fiber connecting part, and is widely applied to television networks, local area networks, video transmission, optical fiber communication systems and FTTH optical fiber home entry.

However, the existing optical fiber coupler has the problems of complicated assembling operation and inconvenient later disassembly and replacement, and needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an optical fiber coupler for optical fiber wiring system aims at solving current optical fiber coupler assembly complex operation, and the inconvenient technical problem of change is dismantled to the later stage.

In order to achieve the above object, the present invention provides an optical fiber coupler for an optical fiber wiring system, comprising a first housing, a second housing and an alignment sheath, wherein the rear end wall of the first housing and the front end wall of the second housing are respectively provided with a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are detachably and fixedly connected, two sides of the front end portion of the first housing and the rear end portion of the second housing are respectively and oppositely and concavely provided with an insertion groove adapted to an optical fiber connector, the rear end wall of the insertion groove is respectively and oppositely and convexly provided with an alignment sleeve, the cross section of the alignment sheath is in a C-shaped configuration, two ends of the alignment sheath are respectively and detachably embedded in the alignment sleeve, two sides of the upper end wall of the first housing are respectively and concavely provided with a first open slot, the first open slot is respectively and internally provided with a first elastic snap arm, and the upper end wall of the rear end part of the first elastic buckling arm is convexly provided with a first buckling bulge, the lower end wall of the first shell is concavely provided with a second open slot, a second elastic buckling arm is arranged in the second open slot, and the lower end wall of the rear end part of the second elastic buckling arm is convexly provided with a second buckling bulge.

Further, the both sides of the back end wall of first mounting panel are equipped with two first locating holes and first locating pin respectively, the both sides of the front end wall of second mounting panel are equipped with two second locating holes and second locating pin respectively, just first locating pin detachable respectively inlays and locates set up in the second locating hole, the second locating pin detachable respectively inlays and locates set up in the first locating hole.

Further, the alignment sheath is made of a copper-tin alloy material.

Further, the alignment sheath is made of a ceramic material.

Furthermore, the alignment sleeves are all made of ceramic materials.

Furthermore, the first shell and the second shell are both made of ABS plastic materials.

Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, through inserting the casing of the optical fiber connector into the inserting grooves of the first casing and the second casing respectively, and inserting the aligning sleeve into the inserting holes of the optical fiber connector respectively, the front end part of the optical fiber connector is provided with an inserting core in a protruding way respectively, the inserting core is embedded with an optical fiber core, and the inserting core is inserted into the aligning sleeve respectively, and the inner peripheral wall of the aligning sleeve is arranged in a butting way with the outer peripheral wall of the inserting core respectively, thereby having good protection and positioning functions to the inserting core, leading the inserting core of the optical fiber connector to be capable of being aligned accurately, preventing the position of the optical fiber core from being displaced and avoiding the excessive loss of the inserting core in the inserting and pulling process, thereby realizing that two end faces of the optical fiber core are butted accurately, leading the light energy output by the transmitting optical fiber to be coupled into the receiving fiber to the maximum extent, leading the coupling of the optical signal to be good, the passing rate to be high, and improving the stability of optical signal transmission, the requirements of optical fiber communication devices are met; and through the first elastic buckling arm and the second elastic buckling arm of the upper end wall and the lower end wall of the first shell, the optical fiber coupler is easy to fasten in the installation process, the structure of the optical fiber coupler is more compact, the space is saved, the installation is simpler and easier, the optical fiber coupler is more convenient and faster to assemble, tools are not needed, the operation is simple, the later-stage disassembly and replacement are facilitated, two multimode or single-mode optical fiber connectors can be accurately connected, and the practicability is high.

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 diagram of an overall structure of an optical fiber coupler for an optical fiber cabling system according to an embodiment of the present invention;

fig. 2 is a schematic overall structure diagram of another view angle of an optical fiber coupler for an optical fiber cabling system according to an embodiment of the present invention;

fig. 3 is a schematic overall structure diagram of another view angle of an optical fiber coupler for an optical fiber cabling system according to an embodiment of the present invention;

fig. 4 is an exploded view of an optical fiber coupler for an optical fiber cabling system according to an embodiment of the present invention;

fig. 5 is another exploded view of an optical fiber coupler for an optical fiber cabling system according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a compatible optical fiber connector for an optical fiber coupler of an optical fiber cabling system 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 an optical fiber coupler for optic fibre wiring system.

As shown in fig. 1 to 6, in an embodiment of the present invention, the optical fiber coupler for an optical fiber cabling system includes a first housing 101, a second housing 102 and an alignment sheath 103, wherein a rear end wall of the first housing 101 and a front end wall of the second housing 102 are respectively provided with a first mounting plate 1011 and a second mounting plate 1021, the first mounting plate 1011 and the second mounting plate 1021 are detachably and fixedly connected, two sides of a front end portion of the first housing 101 and a rear end portion of the second housing 102 are respectively and oppositely recessed with an insertion groove 104 adapted to an optical fiber connector, and a rear end wall of the insertion groove 104 is respectively and oppositely protruded with an alignment sleeve 105, a cross section of the alignment sheath 103 is arranged in a C-shaped configuration, two ends of the alignment sheath 103 are respectively and detachably embedded in the alignment sleeve 105, two sides of an upper end wall of the first housing 101 are respectively and are respectively recessed with a first open slot 1012, a first elastic buckling arm 1013 is respectively arranged in the first opening groove 1012, a first buckling protrusion 1014 is convexly arranged on the upper end wall of the rear end of the first elastic buckling arm 1013, a second opening groove 1015 is concavely arranged on the lower end wall of the first shell 101, a second elastic buckling arm 1016 is arranged in the second opening groove 1015, and a second buckling protrusion 1017 is convexly arranged on the lower end wall of the rear end of the second elastic buckling arm 1016.

Specifically, two sides of the rear end wall of the first mounting plate 1011 are respectively provided with two first positioning holes 1018 and a first positioning pin 1019, two sides of the front end wall of the second mounting plate 1021 are respectively provided with two second positioning holes 1022 and a second positioning pin 1023, the first positioning pins 1019 are respectively detachably embedded in the second positioning holes 1022, and the second positioning pins 1023 are respectively detachably embedded in the first positioning holes 1018.

Specifically, the alignment sheath 103 is formed of a copper-tin alloy material.

Specifically, the alignment sheath 103 is formed of a ceramic material.

Specifically, the alignment sleeve 105 is made of a ceramic material.

Specifically, the first housing 101 and the second housing 102 are both made of ABS plastic.

Specifically, the present invention inserts the housing 201 of the optical fiber connector 200 into the insertion grooves 104 of the first housing and the second housing, and inserts the alignment sleeve 105 into the insertion hole 202 of the optical fiber connector 200, respectively, the front end of the optical fiber connector 200 is provided with a protruding ferrule 203, the ferrule is embedded with an optical fiber core, and inserts the ferrule 203 into the alignment sleeve 105, respectively, and the inner peripheral wall of the alignment sheath 103 is abutted to the outer peripheral wall of the ferrule 203, respectively, so as to provide good protection and positioning effects for the ferrule, so that the ferrule of the optical fiber connector can be aligned accurately, prevent the position of the optical fiber core from shifting and avoid excessive loss of the ferrule during the insertion and extraction process, thereby realizing accurate butt joint of the two end faces of the optical fiber core, so as to couple the light energy output by the transmitting optical fiber to the receiving optical fiber to the maximum extent, so that the coupling of the optical signal is good, the passing rate is high, the stability of optical signal transmission is improved, and the requirements of optical fiber communication devices are met; and through the first elastic buckling arm and the second elastic buckling arm of the upper end wall and the lower end wall of the first shell, the optical fiber coupler is easy to fasten in the installation process, the structure of the optical fiber coupler is more compact, the space is saved, the installation is simpler and easier, the optical fiber coupler is more convenient and faster to assemble, tools are not needed, the operation is simple, the later-stage disassembly and replacement are facilitated, two multimode or single-mode optical fiber connectors can be accurately connected, and the practicability is high.

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. An optical fiber coupler for an optical fiber wiring system is characterized by comprising a first shell, a second shell and an alignment sheath, wherein a first mounting plate and a second mounting plate are respectively arranged on the rear end wall of the first shell and the front end wall of the second shell, the first mounting plate and the second mounting plate are detachably and fixedly connected, two opposite sides of the front end part of the first shell and the rear end part of the second shell are respectively provided with a socket groove matched with an optical fiber connector in a concave mode, the rear end walls of the socket grooves are respectively provided with an alignment sleeve in an opposite convex mode, the cross section of the alignment sheath is in a C-shaped structure arrangement, two ends of the alignment sheath are respectively and detachably embedded in the alignment sleeves, two sides of the upper end wall of the first shell are respectively provided with a first open slot in a concave mode, and a first elastic clamping arm is respectively arranged in the first open slot, and the upper end wall of the rear end part of the first elastic buckling arm is convexly provided with a first buckling bulge, the lower end wall of the first shell is concavely provided with a second open slot, a second elastic buckling arm is arranged in the second open slot, and the lower end wall of the rear end part of the second elastic buckling arm is convexly provided with a second buckling bulge.

2. The fiber coupler for a fiber distribution system according to claim 1, wherein two first positioning holes and two first positioning pins are respectively disposed on two sides of the rear end wall of the first mounting plate, two second positioning holes and two second positioning pins are respectively disposed on two sides of the front end wall of the second mounting plate, the first positioning pins are respectively detachably fitted in the second positioning holes, and the second positioning pins are respectively detachably fitted in the first positioning holes.

3. The fiber optic coupler for a fiber optic cabling system of claim 1, wherein the alignment jacket is formed from a copper-tin alloy material.

4. The fiber optic coupler for a fiber optic cabling system of claim 1, wherein the alignment sheath is formed from a ceramic material.

5. The fiber optic coupler for a fiber optic cabling system of claim 1, wherein the alignment sleeve is formed from a ceramic material.

6. The fiber optic coupler for a fiber optic cabling system of claim 1, wherein the first housing and the second housing are both formed of ABS plastic.