TW201403155A - Optical connective module and optical electric connector having the same - Google Patents

Abstract

This invention relates to an optical connective module and an optical electric connector having the same. The optical connective module includes a board, a lens mounted on the board, a ferrule configured for mating with the lens for transmitting optical signals, and a clip adapted to couple the lens and the ferrule together. Wherein the clip has a base portion wider than the ferrule and two elastic arms extending beyond the ferrule. Each of the elastic arms has a protrusion adapted to be held by a receiving portion on the lens so as to lock the ferrule on the lens.

Description

Photoelectric connector assembly and optical connection module thereof

The invention relates to an optoelectronic connector, in particular to a positioning structure of an optical fiber in an optoelectronic connector.

While the optical fiber is used to transmit high-speed signals, the connection fixing method at the end requires high connection accuracy and firmness. An active fiber optic connector is disclosed in US Patent Publication No. US20110268390, the fiber optic terminal being secured to a light sleeve that interfaces with the lens module to transmit optical signals to the circuit board. In order to ensure a reliable connection between the optical sleeve and the lens module, the optical fiber connector adopts a locking component fixedly mounted on the optical sleeve and having a resilient arm extending from the two sides to the lens module, the elastic arm The front end has a hook-shaped retaining portion that can be snapped onto the lens module, and the retaining portion is snapped on the lens module to prevent the light sleeve from falling off the lens module. When the elastic arm is opened to both sides, the light sleeve is allowed to be released from the lens module. However, the locking member requires the light sleeve to have a certain length in the mating direction to ensure the secure installation of the locking member, and the structure thereof is complicated. Not conducive to saving the internal space of the connector.

Therefore, it is indeed necessary to improve the fiber positioning mode to solve the above-mentioned drawbacks in the prior art.

The main object of the present invention is to provide an optoelectronic connector assembly having a quick, reliable, and simple optical connection module.

In order to achieve the above object, the present invention provides an optoelectronic connector assembly including a housing, a horizontally disposed substrate housed in the housing, and an optical connection module, the optical connection module including a lens module mounted on the substrate, A light sleeve for fixing the optical fiber is mated with the lens module, the substrate has a front end protruding from the housing, and the front end is provided with a plurality of conductive sheets for electrically contacting the mating connector, the optical connection module further comprising a relative a latching elastic piece that moves forward and backward of the light sleeve, the holding elastic piece has a base portion having a width larger than that of the light sleeve and a spring arm extending forwardly along both ends of the base portion, and the front ends of the elastic arm are oppositely extended with the holding portion, the lens The module is provided with a holding hole for accommodating the holding portion. The base of the holding elastic piece resists the light sleeve and the holding portion is combined with the holding hole to prevent the light sleeve from coming off the lens module.

The main object of the present invention is to provide an optical connection module, which has a simple structure and can quickly and reliably connect optical fibers.

To achieve the above objective, the present invention provides an optical connection module including a lens module and a light sleeve that is coupled to the lens module from the rear to the front and fixed with an optical fiber, and the optical connection module further includes a relative light. a clamping elastic piece that moves forward and backward of the sleeve, the holding elastic piece has a base portion having a width larger than that of the light sleeve and elastic arms extending forwardly along both ends of the base portion, and the front ends of the elastic arms are oppositely extended with the holding portions, and the lens module A latching hole for receiving the latching portion is disposed, the base of the latching elastic piece resists the light sleeve, and the latching portion is combined with the latching hole to prevent the light sleeve from coming off the lens module.

Compared with the prior art, the optical connector assembly and the optical connection module provided by the invention have a simple structure and are easy to install.

Referring to FIG. 1 to FIG. 5 together, an optical connector assembly 1000 according to the present invention is disclosed. The optical connector assembly 1000 includes a housing 200 and a substrate 1 disposed horizontally disposed in the housing 200 and The optical connection module 100 mounted on the substrate 1. The optical connector assembly 1000 has a rear end connected to a fiber optic cable 50, and a plurality of optical fibers 5 are disposed in the optical cable 50. The optical connection module 100 includes a lens module 2 mounted on the substrate 1 and a light sleeve 3 that is coupled to the lens module 2 and used to fix the optical fiber. The substrate 1 has a substrate front end 11 extending from the housing 200 and a substrate rear end 12 disposed opposite the substrate front end 11. The substrate front end 11 is provided with a plurality of conductive sheets 110 for electrical contact with a mating connector (not shown). .

The lens module 2 has a lens module rear end 22 that is opposite to the light sleeve 3, a lens module front end 23 that is disposed opposite the lens module rear end 22, and a side wall 20 therebetween. The side wall 20 is provided in the front-rear direction. An elongated sliding groove 21 recessed inwardly, the sliding groove 21 is partially recessed in a direction substantially perpendicular to the side wall 20 to be provided with a holding hole 210. The lens module rear end 22 is provided with an opening rearward facing port 220. The docking frame opening 220 receives at least a portion of the optical sleeve 3 and substantially guides the optical sleeve 3 to interface with the lens module 2. The light sleeve 3 has a sleeve front end 30 that interfaces with the lens module 2 and a sleeve rear end 32 that is disposed opposite the sleeve front end 30 for mounting the optical fiber 5 or any other light directing material.

The optical connection module 100 further includes a holding elastic piece 4 that is movable back and forth along the optical fiber 5 with respect to the optical sleeve 3. Preferably, the holding elastic piece 4 is made of a sheet metal material. The holding elastic piece 4 has a base portion 40 having a width larger than that of the light sleeve 3 and a resilient arm 41 extending forwardly beyond the base portion 40 to the optical sleeve 3, and the elastic arm 41 can be received in the sliding groove 21 The front end of the elastic arm 41 is disposed to extend back and forth relative to the lens module 2 in a direction substantially perpendicular to the sliding direction, and the holding portion 410, the holding portion 410 and the locking hole on the lens module 2 are disposed. The 210 combination can hold the holding elastic piece 4 on the lens module 2. The base portion 40 of the holding elastic piece 4 abuts against the light sleeve 3 to prevent the light sleeve 3 from being detached from the lens module 2, and the elastic arms 41 are elastically opened to both sides respectively to allow the holding portion 410 to be detachably mounted on the lens module. 2 on.

In the present embodiment, the base portion 40 of the latching elastic piece 4 is provided with a through hole 401 that can accommodate the optical fiber 5 and is closed at the periphery. The latching elastic piece 4 is slidably mounted on the optical fiber 5 through the through hole 401. The invention is characterized in that the light sleeve 3 is fixed on the lens module 2. Obviously, as long as the base 40 of the holding elastic piece 4 can resist the sleeve rear end 32 of the light sleeve 3, the through hole 401 can be realized. The perimeter can also be set to be open for easier installation.

Referring to the sixth embodiment, a second embodiment conforming to the above situation, the holding elastic piece 4' includes a base portion 40' and elastic arms 41' extending forwardly along both ends of the base portion 40'. The base portion 40' is provided with a through hole 401'. The through hole 401' is substantially elongated and has a notch 402 having a width slightly larger than the thickness of the optical fiber 5 at any corner. The two ends of the base portion 40' extend forwardly from the elastic arm 41'. The elastic arm 41' can be received in the sliding slot 21 and configured to slide back and forth along the sliding slot 21. The front end of the elastic arm 41' is provided with a latching portion 410' that can cooperate with the latching hole 210 to set the optical sleeve. The tube 3 is held on the lens module 2.

Referring to the seventh embodiment, the third embodiment conforms to the above situation. The holding elastic piece 4'' is provided with a base portion 40'' and a resilient arm 41'' extending forwardly along both ends of the base portion 40''. The base portion 40' 'There is a through hole 401'', the through hole 401'' is substantially elongated and has a notch 403 having a width slightly larger than the thickness of the optical fiber 5 in the middle of the long side, and the two ends of the base 40'' extend forwardly from the elastic arm 41'', the elastic arm 41'' can be received in the sliding groove 21 and configured to slide back and forth along the sliding groove 21. The front end of the elastic arm 41'' is provided with a holding portion 410'' and the aforementioned holding hole 210 cooperates to hold the light sleeve 3 on the lens module 2.

The gap 402 or the notch 403 helps to quickly insert the light guiding material such as the optical fiber 5 or the light guide into the through hole 401. Since the optical connection module 100 is installed in the housing 200, the external force is received. Therefore, the optical fiber 5 does not come off the holding elastic piece 4.

An electronic component (not shown) having a photoelectric conversion function can be mounted on the substrate 1 disclosed in the present invention, so that the optical signal and the electrical signal can be transmitted through the optical connector. However, the present invention is not limited to the field of optoelectronic transmission. For example, when only the optical signal is processed on the substrate 1, the entraining elastic sheet 4 disclosed in the present invention should be equally applicable as a preferred holding member. Compared with the prior art optical fiber fixing method, the optical connector assembly 1000 and the optical connection module 100 thereof have the advantages of simple structure and quick installation or disassembly.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited to the foregoing embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

1000. . . Photoelectric connector assembly

100. . . Optical connection module

200. . . case

1. . . Substrate

11. . . Substrate front end

110. . . Conductive sheet

12. . . Substrate back end

2. . . Lens module

20. . . Side wall

twenty one. . . Sliding slot

210. . . Holding hole

twenty two. . . Lens module back end

220. . . Docking box mouth

twenty three. . . Lens module front end

3. . . Light casing

30. . . Casing front end

32. . . Casing rear end

4,4’,4’’. . . Holding shrapnel

40,40’,40’’. . . Base

401,401',401'’. . . Through hole

402,403. . . gap

41,41’,41’’. . . Elastic arm

410,410'', 410'’. . . Holder

5. . . optical fiber

50. . . Optical cable

The first figure is a perspective assembled view of an optoelectronic connector assembly in accordance with the present invention.

The second figure is a perspective view of an optical connection module in accordance with the present invention.

The third figure is a perspective view of another perspective of the optical connection module shown in the second figure.

The fourth figure is a perspective exploded view of the optical connection module shown in the second figure.

The fifth figure is an exploded perspective view of another angle of the optical connection module shown in the second figure.

6 and 7 are perspective views of different embodiments of the snap tab shown in the fourth figure.

100. . . Optical connection module

1. . . Substrate

2. . . Lens module

3. . . Light casing

4. . . Holding shrapnel

5. . . optical fiber

11. . . Substrate front end

12. . . Substrate back end

110. . . Conductive sheet

Claims (10)

An optoelectronic connector assembly for connection to an end of an optical fiber, the optoelectronic connector comprising:
case;
The substrate is horizontally disposed in the housing, and the substrate has a front end extending from the housing, and the front end is provided with a plurality of conductive sheets for electrically contacting the mating connector;
An optical connection module comprising:
a lens module mounted on the substrate;
a light sleeve for fixing the optical fiber and docking with the lens module; and a retaining elastic piece movable forward and backward with respect to the light sleeve, the holding elastic piece having a width larger than a base of the light sleeve and along the two ends of the base The elastic arms respectively extend forwardly, and the front ends of the elastic arms are oppositely disposed with a holding portion, and the lens module is provided with a holding hole for receiving the holding portion, and the base of the holding elastic piece resists the light sleeve and the holding portion is The snap holes are combined to prevent the light sleeve from coming off the lens module. The optical connector assembly of claim 1, wherein the base of the latching elastic piece is partially penetrated through a through hole for accommodating an optical fiber, and the holding elastic piece is slidably mounted on the optical fiber through the through hole. The optical connector assembly of claim 1, wherein the lens module has two opposite side walls, and the side wall is provided with a sliding groove for receiving the elastic arm in the front-rear direction, and the sliding hole is located in the sliding The groove extends into the lens module substantially perpendicular to the sliding groove. The optical connector assembly of claim 1, wherein the lens module is provided with a pair of frame openings, and the docking frame port at least receives a part of the light sleeve. The photoelectric connector assembly of claim 1, wherein the holding elastic piece is made of a sheet metal material, and the elastic arms are elastically opened to both sides to detachably mount the holding portion. On the lens module. An optical connection module for connecting to an end of an optical fiber, comprising:
a lens module having a rear end of a lens module disposed rearward;
The light sleeve is used for fixing the optical fiber and docking with the rear end of the lens module; and holding the elastic piece, which is movable back and forth with respect to the light sleeve, the holding elastic piece has a width larger than the base of the light sleeve and two along the base a resilient arm extending forwardly from each other, wherein the front ends of the elastic arms are oppositely disposed with a holding portion, and the lens module is provided with a holding hole for receiving the holding portion, and the base of the holding elastic piece resists the light sleeve and the holding portion It is combined with the retaining hole to prevent the light sleeve from coming off the lens module. The optical connection module of claim 6, wherein the base portion of the latching elastic piece partially penetrates through a through hole for accommodating the optical fiber, and the holding elastic piece is slidably mounted on the optical fiber through the through hole. The optical connection module of claim 6, wherein the lens module has two opposite side walls, and the side wall is provided with a sliding slot for receiving the elastic arm in the front-rear direction, wherein the sliding hole is located in the sliding The groove extends into the lens module substantially perpendicular to the sliding groove. The optical connection module of claim 6, wherein the lens module is provided with a pair of frame openings, the docking frame port receiving at least a part of the light sleeve. The optical connection module of claim 6, wherein the holding elastic piece is made of a sheet metal material, and the elastic arms are elastically opened to both sides to detachably mount the holding portion. On the lens module.