KR100642237B1 - Connector - Google Patents

Abstract

An object of the present invention is to provide a connector device having a structure that can be sufficiently fixed to a circuit board, suitable for miniaturization, and having a structure that facilitates assembly.

A housing having an insertion portion into which an optical transmission medium is inserted, an accommodation portion containing an optical semiconductor element optically coupled to the optical transmission medium to be inserted, and mooring pins on both sides thereof; And a pressure applied to the mooring pins provided at the front of the insertion portion of the housing and the mooring pins provided at the shutters so as to be rotatable about the mooring pins. And a reinforcing pin for opening and closing the shutter in response to (i), wherein the reinforcing pin protrudes outwardly from the front end of the mooring pin provided in the shutter and from the bottom of the housing. It has a longitudinal portion having a horizontal portion formed between the tip portion and the longitudinal portion.

Connector device, optical semiconductor element, optical transmission medium, optical body, mooring pin, reinforcement pin

Description

Connector device {CONNECTOR}

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a first embodiment of the present invention, in which a perspective view of a connector device according to the present invention is exploded and shown in each component.

FIG. 2 is a top view of the top of FIG. 1. FIG.

3 is a front view seen from the direction of the shutter 2 of FIG. Side view seen from the horizontal direction of the housing 1 of FIG.

4 is a side view as seen in the transverse direction of the housing 1.

5 is a front view (a), a side view (b), a back view (c), and a cross-sectional view (d) of the side of the housing 1;

6 shows a front view (a), a top view (b), a side view (c), a cross sectional view (d) of the side surface, and a rear view (e) of the shutter 2;

7 shows a front view (a), a top view (b) and a side view (c) of the optical semiconductor element 3;

8 shows a front view (a), a top view (b), a side view (c) and a cross sectional view (d) of a side of the unit portion 3 containing the optical semiconductor element 3;

9 is a perspective view of an embodiment of a reinforcement pin 4 having features of the present invention.

10 is a diagram illustrating an assembling procedure of the connector device of the present invention.

11 is a view for explaining the operation sequence of opening and closing the shutter 2 of the connector device according to the present invention.

12 is a second embodiment of the present invention and showing a cross-sectional structure.

* Description of the symbols for the main parts of the drawings *

1: ore

1-1: Shutter mooring groove

1-2: upper space

1-3: middle wall

1-4: Passage Window

1-5: optical transmission medium insertion unit

1-6: unit receiving part

1-7, 1-8: Split Pin

2: shutter

2-1: Shutter Mooring Pin

2-2: semi-cylindrical ridge

3: optical semiconductor element

3-1: unit

4: reinforcement pin

4-1: Reinforcement Pin Tip

4-2: Horizontal direction of reinforcement pin

4-3: Reinforcement pin vertical direction

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector device, and more particularly, to a connector device for accommodating an optical semiconductor element having a light emitting or light receiving function and enabling optical coupling with an optical transmission medium such as an optical fiber. will be.

Recently, in order to speed up or prevent induced noise, electronic devices such as communication devices and sound devices using optical signals for input and output of signals have been developed and are in widespread use.

In such an electronic device, an optical transmission medium (hereinafter referred to simply as an optical transmission medium) formed of glass or plastic for input / output of a signal using the optical signal, hereinafter referred to as an optical transmission medium, Optical coupling is indispensable among optical semiconductor elements (hereinafter, referred to only as optical semiconductor elements) having a light emitting or light receiving function.

For optical coupling of such an optical transmission medium and an optical semiconductor element, an apparatus structure having a connector function is first proposed (Patent Document 1).

In the structure of the invention described in Patent Literature 1, an optical transmission medium is inserted so as to accommodate an optical semiconductor element in a housing and perform optical coupling by opposing the front end of the optical semiconductor element and the optical transmission medium. It is possible.

It also has an opening and closing cover (shutter) that can be pushed up in the housing when the optical transmission medium is inserted. When the optical transmission medium is not inserted, the shutter is configured to apply a spring pressure to the upper end to keep the shutter closed by the leaf spring. This makes it possible to protect the optical semiconductor element when the optical transmission medium is not inserted.

In addition, a device having such a connector function (hereinafter referred to as a connector device) needs to be fixed to an optical body or a circuit board of an electronic device so as to withstand the insertion force given when the optical transmission medium is inserted or removed. .

[Patent Document 1 Publication No. 2002-55263]

However, although the structure of fixing by screw stop to the optical body of an electronic device is mainly suggested by the said patent document 1 as a structure of a connector device, the circuit board shows only the fixing structure of the grade which only determines a position.

Here, of course, with the miniaturization of electronic devices, miniaturization of the connector device is inevitably required. In such a case, only the configuration of fixing the connector device to the housing has limitations in the device design. However, in the fixing structure of the extent which determines the position to the circuit board disclosed by the said patent document, stable fixation is not obtained suitably because of the miniaturization of a connector apparatus. Forcibly, the reliability of the electronic device is affected.

Accordingly, it is an object of the present invention to provide a connector device having a structure that can be sufficiently fixed to a circuit board, suitable for miniaturization, and having a structure that facilitates assembly.

A feature of the connector device according to the present invention for achieving the above object is a first body having an insertion portion in which the optical transmission medium is inserted, and an accommodating portion for accommodating the optical semiconductor element optically coupled to the inserted optical transmission medium; Mooring pins are provided at both sides, and the shutter is moored in front of the insertion part of the housing so as to be rotatable about the mooring pin, and the pressure is applied to the mooring pins provided in the shutter to insert and insert the optical transmission medium. (B) a reinforcement pin for opening and closing the shutter, wherein the reinforcement pin has a tip portion opposed to the mooring pin provided in the shutter, and a portion protruding outward from the bottom of the housing to be fixed to the fixed substrate. It has a longitudinal direction part and a horizontal direction part formed between the front-end | tip part and the said longitudinal direction part.

A feature of the connector device according to the present invention, which achieves the above object, has an insertion portion into which an optical transmission medium is inserted, and a tubular portion into which the leading end of the optical transmission medium is inserted into the insertion portion. A shutter having an accommodating portion for accommodating the optical semiconductor element optically coupled to the inserted optical transmission medium, and mooring pins on both sides thereof, the shutter mooring the front portion of the tube to be rotatable about the mooring pin; A mooring pin provided to the mooring pin provided in the shutter to open and close the shutter in response to the insertion of the optical transmission medium, the reinforcing pin having a tip portion opposed to the mooring pin provided in the shutter; A longitudinal portion having a portion protruding outward from the bottom to be fixed to the fixed substrate, and a horizontal chamber formed between the tip portion and the longitudinal portion It has parts.

A feature of the connector device according to the present invention for achieving the above object is that in the third aspect, in the first or second aspect, the reinforcing pin has a substantially U-shape in which one wire is bent at the center. The bent central portion forms the tip portion, and the parallel wire rod connected to the bent central portion forms the transverse portion, and the parallel wire rod bent in the longitudinal direction from the transverse portion forms the longitudinal portion. The tip of the direction portion is a portion protruding from the bottom of the housing.

A feature of the connector device according to the present invention which achieves the above object is that, in the fourth side, in the third side, the portion bent from the transverse direction to the longitudinal direction is directed downward to the distal end of the reinforcing pin. The springy push towards the head exerts a pressure.

A feature of the connector device according to the present invention for achieving the above object is that in the third aspect, the wire rod is made of SWC wire material in the third aspect.

A feature of the connector device according to the present invention for achieving the above object is that in the sixth aspect, in the first or third aspect, the shutter is downward from the position of the mooring pin provided in the shutter. A semi-cylindrical ridge having a center at an outward position and arranged in parallel with the axial direction of the mooring pin, on the side opposite to the surface in contact with the optical transmission medium, wherein the optical transmission medium is inserted. So that the tip of the reinforcement pin deviates in the direction toward the center of the semi-cylindrical ridge of the shutter, and when the optical transmission medium is pulled out, the tip of the reinforcement pin deviates in the direction of the mooring pin provided in the shutter. It is composed.

The features of the present invention will become more apparent by the best mode for carrying out the invention described below according to the drawings.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, embodiments and drawings described below are for the purpose of explanation of the invention, the application of the present invention is not limited thereto.

Example 1

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a first embodiment of the present invention, in which a perspective view of a connector device according to the present invention is shown in an exploded view. The connector device according to the present invention comprises a unit 1-3, a shutter 2, an optical semiconductor element 3 and an optical element 3 and an upper portion of the shutter unit 2, which accommodates the optical semiconductor element 3 as constituent members. It consists of a reinforcing pin (4) in contact with the tip of the tip.

Here, the optical semiconductor element 3 is an optical device functional element such as a photodiode having a function of converting an optical signal into an electrical signal or a light emitting diode such as a light emitting diode which converts the electrical signal into an optical signal. Have at least. Moreover, it means the semiconductor integrated circuit element which integrated the optical device functional element and circuit functional parts, such as amplification and modulation as needed.

FIG. 2 is a top view seen from above of FIG. 1, FIG. 3 is a front view seen from the direction of the shutter 2 of FIG. 1, and FIG. 4 is a side view seen from the transverse direction of the housing 1 of FIG. 1. .

5 to 9 show details of the above-described members constituting the connector device, that is, the housing 1, the shutter 2, the optical semiconductor element 3, the unit 3-1 and the reinforcing pin 4, respectively. It is a figure which shows a structure.

In FIG. 5, the front view (a), the side view (b), the back view (c), and the sectional view (d) of the side surface of the housing 1 are shown. As can be understood from the cross-sectional view (d) of the side surface, an insertion section 1-5 in which the tip end portion of the optical transmission medium (not shown) is inserted on the left side of the intermediate wall 1-3, and the semiconductor element is accommodated in the right side. It has the unit accommodating part 1-6 which accommodates the unit part 3-1. The intermediate wall 1-3 is provided with a passage window 1-4, and enables optical coupling between the inserted optical transmission medium and the optical semiconductor element 3 accommodated in the unit portion 3-1.

In addition, the upper space 1-2 shown in sectional view d of the side is a storage space when the shutter 2 described later is pushed up by the distal end of the transmission medium when the optical transmission medium is inserted.

The bottom face of the housing 1 has split pins 1-7 inserted into the circuit board and arranged left and right used for fixing positioning. Such a split pin 1-7 is formed integrally with the housing 1 by a resin material, and only the split pins 1-7 of the resin material are used to secure the connector device to the circuit board. You cannot fix it. Accordingly, the present invention seeks to resolve such nonconformities.

In FIG. 6, the front view (a), the top view (b), the side view (c), the sectional view (d) of the side surface, and the back view (e) of the shutter 2 are shown. As a feature, the mooring pins 2-1 are provided on the upper part of the shutter 2, and the mooring pins 2-1 are inserted into the mooring pin receiving grooves 1-1 of the housing 1 shown in the fifth embodiment. do.

In addition, as can be understood from the side view (c) of FIG. 6, the sectional view (d) of the side surface, and the rear view (e), the upper one side of the shutter 2, that is, contacted when the optical transmission medium is inserted. On the surface opposite to the surface, it has a center at a position deviating downward from the position of the mooring pin 2-1 provided in the shutter 2, and is parallel to the axial direction of the mooring pin 2-1. The semi-cylindrical ridge part 2-2 arrange | positioned is formed. Therefore, the mooring pins 2-1 on both sides of the shutter 2 are provided with mooring pins 2-1 at an upper portion eccentric from the center of the semi-cylindrical ridges 2-2. have.

This mooring pin 2-1 is inserted into the mooring pin receiving groove 1-1 of the housing 1 at the time of assembly. Therefore, the shutter 2 is rotatable about the mooring pin 2-1.

7 shows a front view (a), a top view (b) and a side view (c) of the optical semiconductor element 3. The optical semiconductor element 3 has a main body portion 3a and a lead terminal portion 3b. In addition, the optical semiconductor element 3 may be a light receiving element, a light emitting element, or a semiconductor element integrally integrated with an active circuit functional unit including the same as the above-described application.

FIG. 8: shows the front view (a), the top view (b), the side view (c), and the sectional view (d) of the side of the unit part 3-1 which accommodates the optical semiconductor element 3. As shown in FIG. As can be understood from the cross-sectional view (d) of the side surface, the lead terminal portion 3b of the optical semiconductor element 3 is passed through the terminal through hole 3-3 from above, and the main body portion of the optical semiconductor element 3 ( 3a) is mounted to the main body accommodating part 3-2.

Thus, the unit part 3-1 on which the optical semiconductor element 3 is mounted is accommodated in the unit accommodating part 1-6 of the optical body 1 demonstrated previously.

9 is a perspective view of an embodiment of a reinforcing pin 4 with features of the present invention. One wire is bent from the tip 4-1 to form a substantially U-shape, and extends from the tip 4-1 to the horizontal direction 4-2 and the horizontal direction 4-2, and also the horizontal direction 4-2. It is provided with the longitudinal direction part 4-3 bent from and extended in the longitudinal direction in parallel. The size of the parallel spacing of the longitudinal portions 4-3 is such that the transverse portions 4-2 pass through the passage window 1-4 so as not to interfere with optical coupling between the optical transmission medium and the optical semiconductor element 3. It is set wider than the size of the parallel spacing.

This reinforcement pin 4 is obtained using SWC wire of JIS standard as an Example. By this wire material, the tip portion 4-1 is formed by the bent portion 4-4 formed at the portion connecting the horizontal portion 4-2 and the vertical portion 4-3 to the semi-cylinder of the shutter 2. The pushing force to the downward direction is applied in the state which contacted and touched the mountain part 2-2 of a shape.

FIG. 10 is a view for explaining the assembly procedure of the connector device using the cross-sectional views of the respective members constituting the connector device of the first embodiment. FIG. In the first step (step S1), the mooring pins 2-1 of the shutter 2 are inserted into the shutter mooring grooves 1-1 of the housing 1 to install the shutter 2 in the housing 1. do. At the same time, the lead terminal 3b of the optical semiconductor element 3 is inserted into the through hole 3-3 of the unit portion 3-1, and the main body portion 3a is accommodated in the main body accommodating portion 3-2. do.

Next, as the second procedure (step S2), the reinforcement pin 4 and the unit portion 3-1 which accommodates the optical semiconductor element 3 are arranged in order from the surface opposite to the shutter 2 of the housing 1. Is inserted as is. At this time, the reinforcing pin 4 inserts the shutter 2 in the inclined state of the housing 1.

Therefore, the tip portion 4-1 of the reinforcing pin 4 pushes the semi-cylindrical peak portion 2-2 of the shutter 2 to face upward. In the state where the longitudinal portion 4-3 of the reinforcing pin 4 is pushed to the position of the positioning groove 4-4 formed in the intermediate wall 1-4, as shown in the third procedure (step S3). Contact the tip 4-1 of the reinforcement pin 4 and the upper side of the semi-cylindrical ridge 2-2 of the shutter 2, that is, the mooring pin 2-1 of the shutter 2; . This state corresponds to a state where the optical transmission medium is removed from the connector device, and the shutter 2 is in a closed state.

The third procedure (step S3) of FIG. 10 shows the assembling completion state in which the unit portion 3-1, which accommodates the optical semiconductor element 3, is accommodated in the unit accommodating portion 1-6 of the housing 1. As shown in FIG.

In this state, the connector device is inserted into a circuit board on the bottom of the housing 1, and the optical semiconductor element 3 protrudes from the bottom of the housing 1, in addition to the split pins 1-7 used for fixing positioning. As a feature of the present invention, the lead terminal 3b of the reinforcing pin 4 is in a state of protruding from the bottom surface of the housing 1.

Therefore, when installing the connector device on the circuit board, the positioning pins 1-7 on the bottom of the housing 1, the lead terminals 3b of the optical semiconductor element 3, and the longitudinal portions of the reinforcing pins 4 are provided. (4-3) can be used for fixing. The positioning pins 1-7 on the bottom surface of the housing 1 are inserted into the holes provided in the circuit board in a narrowed state, and open in the state where the circuit board protrudes to generate a fixing force. On the other hand, the lead terminal 3b of the optical semiconductor element 3 and the longitudinal direction 4-3 of the reinforcement pin 4 are fixed to the circuit board by soldering. Thereby, the connector device which concerns on this invention can be firmly fixed to a circuit board.

FIG. 11 is a view for explaining the operation procedure of opening and closing the shutter 2 of the connector device according to the present invention, and is explained using a cross-sectional view of each component constituting the connector device as shown in FIG.

In FIG. 11, first, in the state D1 when the optical transmission medium is not inserted, it is the same as the completion state of step S3 in FIG. 10, and the semi-cylindrical structure is provided by the tip portion 4-1 of the reinforcing pin 4; The shutter 2 is closed by the pushing force applied to the mooring pin 2-1 side of the peak portion 2-2.

Next, in the state D2 during the insertion of the optical transmission medium, the shutter 2 is pushed toward the tip of the optical transmission medium (not shown) and rotates inwardly of the housing 1 around the mooring pin 2-1. In addition, when the optical transmission medium is inserted into the state capable of optically coupling with the optical semiconductor element 3 through the through-holes 1-4 of the intermediate wall 1-3, the shutter 2 is formed in the upper space (1--1). It is pushed up to 2) and it becomes the state D3 parallel to the horizontal direction part 4-2 of the reinforcement pin 4.

At this time, the pressure applied to the optical transmission medium inserted through the shutter 2 by the spring pressure of the tip portion 4-1 of the reinforcing pin 4 can be prevented from easily exiting. At the same time, a force is applied in the direction of closing the shutter 2 when removing the optical transmission medium. Therefore, in the state where the transmission medium is taken out, it is possible to return to the original state Dl in which the shutter 2 is closed.

Example 2

12 shows a second embodiment of the present invention and shows a cross-sectional structure.

This second embodiment is basically the same as that of the first embodiment as shown in Fig. 12A. The difference is that in the first embodiment, the shutter 2 is disposed in front of the insertion section 1-5 (see Fig. 5) of the optical transmission medium. On the other hand, in the second embodiment shown in Fig. 12, without providing the intermediate wall 1-3, the cylindrical part 1-9 for positioning the optical transmission medium is provided inside the insertion part 1-5. have. Moreover, the shutter 2 has a structure which is moored to the front-end | tip part of the cylinder part 1-9.

This second embodiment is a preferred connector structure for the optical transmission medium of the specification that the optical fiber portion is exposed at the tip.

Also in the second embodiment, the configuration of the shutter 2 is the same as that of the first embodiment, and the tip fiber portion of the optical transmission medium is pushed up into the cylinder when it is inserted into the cylinder 1-9. Then, when pulling out, the pushing end for rotation in the direction of closing the mooring pin 2-1 with respect to the shutter 2 by the tip of the reinforcing pin 4 is applied.

12 (b) and 12 (c) are diagrams showing the configuration when viewed from the side and back of the reinforcing pins 4 used in the second embodiment, respectively.

Since the height of the shutter 2 becomes smaller as compared with the first embodiment, the height of the transverse portion 4-2 connected to the tip portion 4-1 of the reinforcing pin 4 is set to a lower position. The part 4-4 which connects the direction part 4-3 and the horizontal direction part 4-2 is bent by the smaller cylinder.

As shown in Fig. 12, in the second embodiment, since it does not have the intermediate wall 1-3, the portion and the light protruding from the bottom surface of the housing 1 of the longitudinal portion 4-3 of the reinforcing pin 4 are shown. Since the position of the lead terminal portion 3b of the semiconductor element 3 approaches the front, a second division other than the dividing pins 1-7 is formed on the bottom of the housing 1 in order to enhance stability during fixing. The pins 1-8 are provided behind the lead terminal portion 3b of the optical semiconductor element 3.

As a feature of the connector device according to the present invention, the reinforcing pin inserted into the housing has an open end of the shutter and an end thereof extends out of the housing. It is possible to fix the end of the reinforcing pin to the circuit board by soldering or the like. Therefore, since one reinforcement pin can be used for maintaining the opening / closing state of a shutter and fixing to a circuit board of a connector device, the connector device which is simple in structure and easy to assemble can be provided.

The connector device according to the present invention can be widely applied to an electronic device that requires the transmission and reception of an optical signal, and in particular, is easy to assemble and can be firmly mounted on a circuit board. For this reason, it is possible to contribute to the realization of a highly reliable electronic device.

Claims (6)

A housing having an insertion portion into which an optical transmission medium is inserted, an accommodation portion containing an optical semiconductor element optically coupled to the optical transmission medium to be inserted, and a housing; Mooring pins provided on both sides, and mooring the front part of the insertion part of the housing so as to be rotatable about the mooring pins; A reinforcement pin for applying pressure to the mooring pins provided in the shutter to open and close the shutter in response to insertion and removal of the optical transmission medium, The reinforcing pin has a vertical portion having a tip portion facing the mooring pin provided in the shutter, a vertical portion having a portion protruding outward from the bottom of the housing to be fixed to the fixed substrate, and the tip portion and the vertical portion. And a transverse portion formed therebetween. An optical body having an inserting portion into which an optical transmission medium is inserted and a receiving portion into which the front end portion of the optical transmission medium is inserted, and an accommodating portion for receiving an optical semiconductor element optically coupled to the inserted optical transmission medium; Mooring pins on both sides and mooring the front portion of the barrel to be rotatable about the mooring pins; And a reinforcement pin for applying pressure to the mooring pins provided in the shutter to open and close the shutter in response to the insertion of the optical transmission medium, The reinforcement pin has a vertical portion having a tip portion opposed to the mooring pin provided in the shutter, a longitudinal portion having a portion protruding outward from the bottom of the housing to be fixed to the fixed substrate, and a horizontal portion formed between the tip portion and the vertical portion. And a direction portion. The method according to claim 1 or 2, The reinforcing pin has an approximately U shape in which one wire is bent at the center portion, The bent central portion constitutes the tip portion, The parallel wire rod connected to the bent central portion forms the transverse direction portion, In addition, the parallel wire rod bent in the longitudinal direction from the transverse portion to form the longitudinal portion, And a front end of the vertical portion is a portion protruding from the bottom of the housing. The method of claim 3, wherein And a spring-like pushing pressure in a downward direction to the distal end of the reinforcing pin by a portion bent from the transverse direction to the longitudinal direction. The method of claim 3, wherein The wire rod is a connector device, characterized in that formed of SWC wire material. The method according to claim 1 or 2, The shutter has a center at a position deviating downwardly from the position of the mooring pin provided in the shutter, and the optical transmission medium is inserted into a semi-cylindrical mount disposed to be parallel to the axial direction of the mooring pin. On the opposite side of the face, Mooring pins with tip portions of the reinforcement pins provided in the shutter when the optical transmission medium is inserted so that the tip portions of the reinforcement pins are displaced toward the center of the semi-cylindrical peak of the shutter. And a connector device configured to deviate in a direction.

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