JP3147103U - Optical connector socket - Google Patents

Abstract

Provided is an optical connector socket that simplifies combination and restricts rotation of a shutter.
A socket connector of an optical connector includes a tip wall, a top plate 11 and a bottom plate 12 that are vertically connected to the tip wall, and both side walls, and a plug is plugged by the top plate 11, the bottom plate 12, and both side walls. An opening for insertion is formed, and a housing 1 in which an insertion port for guiding insertion of a plug is formed in the distal end wall so as to communicate with the opening, and an optical element held in the housing 1; A shutter incorporated in the opening of the housing 1; and a spring member for maintaining the shutter in a closed state of the opening of the housing. Grooves 131 parallel to the plug insertion direction are formed on both side walls of the housing 1 so as to communicate with the opening, and the groove 131 does not penetrate the front wall and the side wall of the housing 1. A contact portion 103 for contacting the shutter is formed in between.
[Selection] Figure 6

Description

  The present invention relates to an optical connector socket, and more particularly to an optical connector socket used in various AV devices, optical data transmission devices, and the like.

  In this type of optical connector socket, the plug of the optical connector is inserted into the plug insertion hole, thereby optically connecting the light receiving element or light emitting element held by the former to the plug, and transmitting optical signals. Although the original purpose is achieved by making it possible, how to close the plug insertion hole when the plug is not inserted, that is, when it is not used has been a problem from the beginning.

  If the plug insertion hole is left open when not in use, it is inevitable that dust or other foreign matter will enter the interior of the plug, and dirt will adhere to the optical elements held inside, resulting in a decrease in light transmission efficiency. In the end, the predetermined optical signal transmission may become impossible. Therefore, initially, a configuration was adopted in which the plug insertion hole was closed by inserting a protective cap. However, if the opening is closed with a protective cap when not in use, the above-mentioned fears are eliminated. However, when inserting the plug of the optical connector, the protective cap must naturally be removed, and after the plug is removed, the protective cap is removed. Must be reinserted. For this reason, there are problems such as troublesome operation and storage of the protective cap when the plug is inserted, and a configuration in which an openable / closable shutter is disposed at the opening of the plug insertion hole is used instead. .

  The above-mentioned shutter was adopted as an open door at the beginning. This eliminates the problem of storing the protective cap when the plug is inserted into the plug insertion hole. However, when the plug is inserted and removed, the shutter must be opened and closed by a different operation. A troublesome point that does not become a problem became a problem, and then an inward-open shutter that eliminated the problem was adopted. This shutter is configured to be biased in a closing direction by a spring provided on a hinge shaft arranged on one side of the shutter. When the plug is inserted, the shutter is pressed and opened by the insertion operation. When pulling out, it is designed to automatically close by simply pulling it out. Therefore, no special operation for opening and closing the shutter is required, and the problem that the opening / closing operation is separately required for the outer opening shutter has been solved.

The optical connector sockets disclosed in Patent Document 1 and Patent Document 2 are optical connector sockets with an inner opening shutter, a housing provided with an opening for inserting a plug, and a light receiving or holding held in the housing. An optical element that emits at least one of light emission; and a shutter that is disposed at an upper portion of the opening through a hinge shaft so as to be freely opened and closed. When the plug is not inserted into the opening, the shutter maintains the closed state by the action of the spring member.
Chinese Utility Model No. 28546627 Chinese Utility Model No. 2667512 Specification

  The optical connector socket housing disclosed in Patent Document 1 includes a front housing with a shutter and a rear housing, and the front housing includes both side walls and a top plate and a bottom plate that are connected by the both side walls. When removing the plug from the opening, the shutter maintained the closed state by the action of the spring member, but at the lower part of the opening, the shutter is prevented from rotating outwardly of the opening. An abutting portion is formed, and an abutted portion for abutting the abutting portion is formed at the end of the shutter, thereby restricting the outward rotation of the shutter. However, it is necessary to form a slit in the bottom plate of the front housing in order to provide the abutting portion, and the abutting portion is connected to the bottom plate, so that the acting force of plug insertion / extraction becomes excessive, or The bottom plate of the front housing may be torn due to the many rotations of the shutter.

  The optical connector socket structure disclosed in Patent Document 2 is substantially the same as the optical connector socket disclosed in Patent Document 1, but when the spring member is mounted on the hinge shaft of the shutter and assembled, the spring member is first assembled. The coiled spring body is pulled away from the coil spring body, and then is mounted on the shutter hinge shaft. The volume of the spring member is small, and the spring member may be damaged when pulled away. This complicates the assembling operation, lowering the production efficiency and increasing the manufacturing cost.

  In view of the above-mentioned drawbacks, it is necessary to develop a new type of optical connector socket.

  The present invention has been made in view of the above-described problems, and an object thereof is to provide an optical connector socket that can be easily assembled and restricts the rotation of a shutter.

  A socket connector of an optical connector according to claim 1 of the present invention has a tip wall, a top plate that is vertically connected to the tip wall, a bottom plate, and both side walls, and the top plate, the bottom plate, and both side walls. An opening for inserting a plug is formed, and a housing in which an insertion port for guiding insertion of the plug is formed in the distal end wall so as to communicate with the opening, and light held in the housing In a socket of an optical connector including an element, a plate-like shutter incorporated in the opening of the housing, and a spring member for maintaining the shutter in a closed state of the opening of the housing, both side walls of the housing Each of which is formed with a groove parallel to the insertion direction of the plug so as to communicate with the opening, and the groove does not penetrate the tip wall and the side wall of the housing. A contact portion is formed between the front end wall and the shutter, and a contacted portion that contacts the contact portion of the housing is formed on the shutter in order to limit the outward rotation of the insertion port. It is characterized by that.

  In the socket connector of the optical connector according to claim 2 of the present invention, a mounting groove for mounting a spring member is formed on the bottom plate of the housing, and the spring member is mounted between the mounting groove and the opening. A pressing plate for pressing and holding the groove is formed, and contact protrusions are formed at both ends of the bottom plate.

  The socket connector of the optical connector according to claim 3 of the present invention is characterized in that the spring member includes both spring bodies formed in a coil shape, a holding portion that connects both spring bodies and is held in the mounting groove, And a slide portion that abuts against the abutment convex portion of the housing, and can slide so that the end of each slide portion abuts against the shutter.

  Compared with the prior art, the present invention has the following advantages. A contact portion for contacting the shutter is formed between the groove and the tip wall, so that the shutter can be rotated outward. The movement is restricted, and the acting force when the shutter is rotated does not completely receive the contact portion, and the side wall can also share the acting force of the portion at the same time, so that the housing can be prevented from being damaged. Further, since the spring member is immediately mounted in the mounting groove formed in the bottom plate, the mounting method is simplified, the assembly efficiency is improved, and the manufacturing cost is reduced.

  A preferred embodiment of the optical connector socket according to the present invention will be described below with reference to the accompanying drawings. The socket 100 of the optical connector has a housing 1 provided with an opening 14 for inserting a plug (not shown), an optical element 2 held by the housing 1, and an intrusion of dust or the like incorporated in the housing 1. And a spring member 3 that maintains the closed state of the opening 14.

  The housing 1 includes a distal end wall 10 in which an insertion port 101 communicating with the opening 14 for inserting a plug is formed, a top plate 11 that is perpendicularly connected to the distal end wall 10, a bottom plate 12, and both side walls 13. The opening 13 is formed by the top plate 11, the bottom plate 12, and both side walls 13. Guide recesses 102 are formed on the left and right sides of the insertion slot 101 to fit the plug guide projections (not shown) so that the plug can be accurately guided to a predetermined position. Is provided with a positioning hole 111 communicating with the opening 14 for positioning the plug at a predetermined position. A mounting groove 141 is formed in the bottom plate 12 so as to extend in parallel with the insertion direction of the plug. Between the mounting groove 141 and the opening 14, the spring member 3 presses against the mounting groove 141. A pressing plate 142 is formed on both ends of the bottom plate 12 adjacent to the front end surface of the bottom plate 12, and contact projections 143 are formed on both ends. Communicate.

  A housing space 15 for housing the optical element 2 is formed at the rear end of the housing 1, and the optical element 2 is held in the housing space 15 by an engagement portion 16 that protrudes and is formed on the rear wall of the housing 1. The isolation wall 17 formed between the accommodating space 15 and the opening 14 is provided with a through hole 144 for communicating the accommodating space 15 and the opening 14 so as to pass therethrough. (Not shown) realizes transmission of an optical signal to and from the optical element 2 through the through-hole 144.

  The spring member 3 is held in the mounting groove 141 of the housing 1 and has both spring bodies 31 formed in a coil shape, a holding portion 32 having a U-shape for connecting one side of both spring bodies 31, And a slide portion 33 for exhibiting an L-shape formed so as to extend outward from the other side of the spring body 31, and when the spring member 3 is incorporated in the housing 1, the holding portion 32 is the housing The upward movement of the holding portion 32 is restricted by accommodating and holding in one mounting groove 141. When the pair of slide portions 33 abut against the pair of abutment protrusions 143 of the housing 1, the movement of the spring member 3 in the left-right direction is limited.

  The shutter 4 is basically connected to a plate-like shutter body 40, one end of the shutter body 40, a base 45 having a thickness greater than the shutter body 40, and a pair of parallel formed on the back side of the shutter body 40. It includes a slide groove 41 and a to-be-contacted portion 46 having a right angle formed on both side portions adjacent to the other end of the shutter body 40, and hinge shafts on both sides of the portion connected to the shutter body 40 and the base portion 45. 42 are formed so as to protrude, and each hinge shaft 42 has a step between the bulging portion 43 connected to the shutter body 40 and the base 45 and the bulging portion 43 connected to the bulging portion 432. The reinforcement part 44 which has is provided, and the diameter of the said hinge axis | shaft 42, the reinforcement part 44, and the bulging part 43 becomes large in order. A chamfered portion 421 is formed at the free end of each hinge shaft 42.

  Grooves 131 are formed on the back sides of the side walls 13 of the housing 1 so as to extend forward from the rear. The grooves 131 do not penetrate the tip wall 10 and are connected to the tip wall 10. Is formed with an abutting portion 103 for abutting against the abutted portion 46 of the shutter 4, and abutting against the abutted portion 46 of the shutter 4 and the abutting portion 103 of the housing 1, thereby inserting the insertion port 101 of the shutter 4. The outward rotation of the is limited. The groove 131 does not penetrate the tip wall 10 and the side wall 13, and the acting force when the shutter 4 rotates can not be completely received by the contact portion 103, and the acting force of the side wall 13 can be shared at the same time. Damage can be prevented.

  Guide grooves 132 are formed at the lower ends of the side walls 13 of the housing 1 to guide the incorporation into the opening 14 of the shutter 4, and the guide grooves 132 penetrate the bottom plate 12. The side wall 13 corresponding to the guide groove 132 is formed so as to pass through a bearing portion 133 that supports the hinge shaft 42 of the shutter 4 so as to freely rotate. A notch 121 passing through the bottom plate 12 is formed between each abutment protrusion 143 and the side wall 13 of the housing 1, and the notch 121 is formed to extend backward from the tip of the bottom plate 12. . Both side walls 13 are arranged so as to be cantilevered by the notch 121 and can be elastically deformed.

  When the shutter 4 is incorporated into the opening 14 of the housing 1, the side walls 13 are elastically expanded outwardly on the chamfered portion 421 of the hinge shaft 42, and the hinge shaft 42 of the shutter 4 is moved to the bearing portion 133. By restoring the side wall 13 to the initial state before being mounted, the shutter 4 is stably held in the housing 1. At this time, the reinforcing portion 44 is accommodated in the guide groove 132, and the reinforcing shaft 44 can prevent the hinge shaft 42 from being damaged. Since the bulging portion 43 is positioned so as to be adjacent to both side walls 13, when the shutter 4 swings in the left-right direction, the swelled portion 43 comes into contact with both side walls 13 so that the amount of swinging of the shutter 4 in the left-right direction is predetermined. Can be limited to the range. Since the slide portion 33 of the spring member 3 comes into contact with the slide groove 41 of the shutter 4 so as to slide, the shutter 4 maintains the closed state of the opening 14 by the action of the spring member 3. When the contacted portion 46 of the shutter 4 contacts the contact portion 103 of the housing 1, the outward rotation of the insertion port 101 of the shutter 4 is limited.

  Since the spring member 3 is immediately mounted in the mounting groove 141, the mounting method is simplified, the assembling efficiency is improved, and the manufacturing cost is reduced as compared with the prior art.

  The socket 100 of the optical connector is mounted on the circuit board by a mounting portion 122 formed so as to extend downward from the bottom plate 12 of the housing 1. When the plug is inserted into the opening 14 from the insertion port 101, the shutter main body 40 is pushed around the tip and rotates about the hinge shaft 42, and opens in a state corresponding to the insertion distance of the plug. Thus, the shutter main body 40 is pushed, and the slide portion 33 of the spring member 3 is slid rearward along the slide groove 41 of the shutter 4. When the plug is completely inserted into the opening 14, the shutter body 40 is rotated to a state parallel to the plug. When the plug is removed from the opening 14, the shutter body 4 automatically returns to the insertion port side by the elasticity of the spring member until it comes into contact with the contacted portion 46 of the shutter 4 and the contact portion 103 of the housing 1. .

  Although the present invention has been described in detail with reference to the best embodiment, the embodiment is merely illustrative and is not limited thereto. In addition, the above description is intended to be within the scope of the claims of the present invention, such as modification or change of details that can be made based on the present invention.

It is an assembly perspective view of the socket of the optical connector concerning the present invention. It is the perspective view seen from the other angle of the socket of the optical connector shown in FIG. It is a disassembled perspective view of the socket of the optical connector which concerns on this invention. It is the disassembled perspective view seen from the other angle of the socket of the optical connector shown in FIG. It is an assembly perspective view which removed the shutter of the socket of the optical connector concerning the present invention. FIG. 4 is a cross-sectional view taken along the line AA of the housing of the socket of the optical connector shown in FIG. 3. It is a bottom view of the socket of the optical connector which concerns on this invention. It is a perspective view of the shutter of the socket of the optical connector which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Optical connector socket 1 Housing 10 Front end surface 11 Top plate 12 Bottom plate 13 Side wall 14 Opening portion 15 Receiving space 16 Engaging portion 17 Separating wall 101 Insertion port 102 Guide recess 103 Contacting portion 111 Positioning hole 121 Notch portion 122 Mounting portion 131 Groove part 132 Guide groove 133 Bearing part 141 Mounting groove 142 Pressing plate 143 Abutting convex part 144 Through hole 2 Optical element 3 Spring member 31 Spring main body 32 Holding part 33 Holding part 4 Shutter 40 Shutter main body 41 Slide groove 42 Hinge shaft 43 Swelling Protruding part 44 Reinforcing part 45 Base part 46 Contacted part 421 Chamfering

Claims (3)

A distal end wall, a top plate connected perpendicularly to the distal end wall, a bottom plate, and both side walls, wherein the top plate, the bottom plate, and the both side walls form an opening for inserting a plug; A housing in which an insertion port for guiding insertion of the plug is formed so as to communicate with the opening, and
An optical element held in the housing;
A shutter incorporated in the opening of the housing and presenting a plate shape;
In a socket of an optical connector including a spring member that maintains the shutter in a closed state of the opening of the housing,
Grooves parallel to the insertion direction of the plug are formed in both side walls of the housing so as to communicate with the opening, and the groove does not penetrate the front wall and the side wall of the housing, and the groove and the front wall A contact portion is formed between the contact portions, and a contacted portion that contacts the contact portion of the housing is formed on the shutter so as to limit the outward rotation of the insertion port. And optical connector socket.   A mounting groove for mounting the spring member is formed in the bottom plate of the housing, and a pressing plate for pressing and holding the spring member against the mounting groove is formed between the mounting groove and the opening. The optical connector socket according to claim 1, wherein contact sockets are formed at both ends of the bottom plate.   The spring member includes a two-spring body formed in a coil shape, a holding portion that connects the two spring bodies and is held by the mounting groove, and a slide portion that abuts against the abutment protrusion of the housing. The optical connector socket according to claim 3, wherein the socket of the optical connector is slidable so that the end of each slide portion comes into contact with the shutter.

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