JPH09161881A - Modular connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a modular connector which opens and closes with only insertion and extraction of a plug and effectively prevents the inflow or accumulation of dusts, by processing a specified structure of a door, in a prescribed constitution of a modular connector. SOLUTION: This is a modular connector 100 which has an opening 131 roughly in the shape of an reversed T consisting of a rectangular part for receiving its mating plug and a recessed part indented from the rectangular part and positioned right above the rectangular part and has an engaging part to engage with the plug inserted, lying in position corresponding to the vicinity of the boarder between the rectangular part of the opening 131 and the recessed part besides being in the position sequestered for a specified distance from the opening 131. This connector 100 is equipped with a double door provided two leaves 140 and 150 consisting of rectangular parts 142 and 152, respectively, to cover half each of the rectangular section of the opening 131 and projecting parts 143 and 153, respectively, to cover half each of the recessed part of the opening 131, in the shape of halving the opening 131 right and left, and the rectangular parts 142 and 152 cover the vicinity of the inlet, and the projections 143 and 153 are erected in the positions secluded to the vicinity of the engaging part.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone line and a telephone, or a LAN (Local Area Network).
ork) relates to a modular connector for connecting a line to a terminal or the like.

[0002]

2. Description of the Related Art Conventionally, for example, when connecting a telephone line and a telephone, a modular connector having a substantially convex opening is connected to the telephone line side, and the modular connector is fitted to the telephone side. The telephone is connected to the telephone line by connecting the plugs and connecting the modular connector and the plug detachably.

This modular connector is suitable when it is fitted with the plug on the telephone side, but when the telephone is removed, dust accumulates in the opening and the connection is made when the telephone is reconnected. It may cause a defect. In order to avoid this, a modular connector having a dustproof cover at the opening is considered (Japanese Patent Laid-Open No. 63-348).
No. 73, Japanese Utility Model Publication No. 4-115769, etc.).

FIG. 7 is a perspective view showing an example of a cover for an opening of a modular connector (the above-mentioned Japanese Patent Laid-Open No. 63-348).
No. 73). The modular connector 10 has a substantially convex opening 12 (see FIG. 8 for the shape of the opening) surrounded by the housing 11, and a dustproof cover 20 is provided near the entrance of the opening 12. Is provided. In this cover 20, when the lever 20c is lifted up, the two plates 20a and 20b are overlapped in two stages,
Further, the whole is lifted up, the opening 12 is opened, and a plug (not shown) can be inserted into the opening 12.

Although a two-stage stacking type slide cover is illustrated here, in addition to this, a slide type cover made of one plate and a cover made of one plate are placed in front of this. A cover is also considered in which the cover is slid and stored in the housing after being lifted. However, these covers have a problem that a human needs to open the cover when connecting the plugs, and the operation is troublesome.

FIG. 8 is a perspective view of a modular connector provided with a cover that does not require human opening / closing operation (the above-mentioned,
See Japanese Utility Model Laid-Open No. 4-115769, etc.). The modular connector 30 has a housing 31 formed with a substantially convex opening 32 (upside down in the figure), and the cover 40 is located at a position slightly retracted from the opening 32. Has a structure to be inserted.

The shaft 41 of the cover 40 is rotatably fitted in the groove 33 of the housing 31, and when a plug (not shown) is not inserted in the opening 32 by the action of the spring 42, the The opening 32 is positioned so as to close the opening 32.
When the plug is inserted into the plug, it is pushed by the plug and rotates about the shaft 41, and the plug is inserted into the opening 32 as it is.

In the case of the cover 40 shown in FIG. 8, the cover 40 is automatically set to the closed state and the open state in response to the plug insertion / removal, thereby eliminating the above-mentioned troublesome operation. However, in the case of this cover 40, it is necessary to form the groove 33, and although not shown, the engaging portion that engages with the inserted plug has the opening 3
Due to the fact that it is formed in a position slightly recessed from 2, the cover 40 has to be arranged in a position recessed from the entrance of the opening 32 as shown in FIG. There is a problem of being defenseless. The cover 40 covers only the large rectangular portion of the substantially convex opening 32.

[0009]

SUMMARY OF THE INVENTION In view of the above circumstances, the present invention provides a modular connector having a cover which covers the vicinity of the opening entrance and which requires no operation other than plug insertion when inserting the plug. The purpose is to

[0010]

SUMMARY OF THE INVENTION The modular connector of the present invention which achieves the above object receives a mating plug.
It has a substantially convex opening consisting of a rectangular portion and a protruding portion protruding from the rectangular portion at the center of the upper portion of the rectangular portion, and the rectangular portion of the opening and the protruding portion at a position recessed from the opening by a predetermined distance. At the position near the boundary,
In a modular connector having an engaging portion that engages with a received plug, a rectangular portion that covers a half of a rectangular portion of the opening and a half of a protruding portion of the opening, which has a shape in which the opening is divided into right and left when viewed from the plug insertion direction. The door is provided with two doors of double-sided door, and the rectangular portion of the door covers the vicinity of the opening entrance, and the protruding portion of the door is erected at a position retracted to the vicinity of the engaging portion. It is characterized by being

The modular connector of the present invention has a double-opening door, and since the rectangular portions of the two double-opening doors are provided in the vicinity of the opening entrance, the rectangular portion occupying substantially most of the opening. Is covered in the vicinity of the entrance to prevent dust from entering. Further, since the protruding portion of the door is erected at a position retracted to the vicinity of the engaging portion, it can be opened and closed without problems even if most of the opening is covered as described above, impairing the function of the engaging portion. It is also prevented.

Further, according to the modular connector of the present invention, since the protruding portion of the door is located at the back of the opening, the protruding portion of the opening is conspicuous when the opening is seen from the insertion direction of the plug, and the modular connector It is possible to avoid the situation where the posture is clearly understood and the plug is damaged by trying to insert it upside down, for example. It should be noted that it is not related to the modular connector having a substantially convex opening like the present invention, but it is known that the opening of the connector is provided with a double door (see Japanese Utility Model Laid-Open No. 63-134480). However, the door disclosed therein is simply a double door, and as in the present invention, it has an engaging part in the deep part of the opening, and it is already standard and its position is arbitrary. It is not applicable to modular connectors that cannot be moved to.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. 1 is an exploded perspective view of a modular connector of the present invention, FIG. 2 is a four-sided view showing one of the two doors of the modular connector shown in FIG. 1, FIG. 3, and FIG. Fig. 5 is a cross-sectional view of the modular connector shown in Fig. 1 taken along a horizontal plane and a vertical plane (before plug insertion), and Figs. 5 and 6 are cross-sectional views taken along the horizontal plane and a vertical plane of the modular connector shown in Fig. 1 ( After or after inserting the plug)
It is.

The modular connector 100 is roughly divided into a connecting block 1 as shown in FIG.
10, a jack housing 120 and a front cover 130. Connecting block 1
10 is provided with a cable connection terminal block 111, and a cable (not shown) that constitutes, for example, a telephone line or a LAN line is inserted into this cable connection terminal block 111, and this cable connection terminal block 111 is provided. Is electrically connected to a contact (not shown) provided in the. The contact is electrically connected to the contact unit 113 via the wiring on the surface mount board 112. The contacts that make up this contact unit 113 are
When the plug 200 shown in FIGS. 3 to 6 is inserted, it is electrically connected to the contact 210 (see FIGS. 4 and 6) provided on the plug 200.

Further, the connecting block 11
0, an engagement protrusion 114 is formed, and the engagement protrusion 114 is engaged with the engagement hole 121b of the jack housing 120.
By engaging with the connecting block 110
And the jack housing 120 are combined. The jack housing 120 is formed with an opening 122 communicating with the substantially convex opening 131 of the front cover 130, and two doors 1 are provided on both sides of the entrance of the opening 122.
Bearing grooves 123a, 123b into which the shafts 141, 151 of 40, 150 are rotatably fitted; 124a, 124
b is provided.

Further, the jack housing 120 includes
When assembling the two doors 140 and 150 into the jack housing 120, one ends 147a and 1 of the springs 147 and 157 are assembled.
57a is inserted into the spring insertion holes 126 and 127 (see FIG. 1).
Only one of them is shown in FIG. 3; see FIGS. 3 and 5). Further, the jack housing 120 includes engaging portions 132a, 132b; 133a, 1 of the front cover 130.
Engagement holes 128a and 128b; 129a and 129b (engagement hole 128b is not shown) that engage with 33b (engagement portion 132b is not shown) are formed.

Further, the jack housing 120 includes
A member that engages with the plug 200 when the plug 200 is inserted into a position that is recessed from the opening 131 by a predetermined distance and that corresponds to the vicinity of the boundary between the rectangular portion and the protruding portion of the substantially convex opening 122. Joint part 125 (see FIGS. 4 and 6)
Are formed. On the other hand, in the assembled state, the doors 140 and 150 are formed at a position that is recessed by a predetermined distance from the rectangular portions 142 and 152 arranged immediately after the front cover 130 and the entrance of the opening 122 of the jack housing 120. Engaged portion 125 (see FIGS. 4 and 6)
The protruding portion 1 arranged at a position deep to the vicinity where
43 and 153 are formed.

As shown in FIG. 2, one of the doors 140 and 150 has spring insertion holes 144 and 154 (FIG. 2) into which the other ends 147b and 157b of the springs 147 and 157 are inserted. A spring insertion hole 154 is shown in the drawing). When assembling the doors 140 and 150 into the jack housing 120, the springs 147 and 157 are used.
Ends 147a and 157a of the jack housing 120
Are inserted into the spring insertion holes 126 and 127 of the door 1, and the other ends 147b and 157b of the springs 147 and 157 are attached to the door 1.
40, 150 are inserted into the spring insertion holes 144, 154,
The shafts 141 and 151 of the doors 140 and 150 are bearings 123a and 123b of the jack housing 120;
4b is inserted. With the doors 140 and 150 assembled to the jack housing 120 in this way,
Engagement portions 132a, 132b of the front cover 130; 1
By inserting 33a and 133b into the engaging holes 128a and 128b; 129a and 129b of the jack housing 120 and fitting them, the assembly of the modular connector 100 is completed.

The door 140 of this modular connector 100,
When the plug 200 is not inserted, the 150 is closed at a position just behind the front cover 130 by the urging force of the springs 147 and 157, as shown in FIGS. Therefore, the protruding portion 1 of the doors 140 and 150
Although the holes 43 and 153 are slightly recessed, the substantially convex opening of the modular connector 100 is substantially closed in the vicinity of the opening inlet, so that inflow and accumulation of dust into the opening are prevented. .

Further, the protruding portions 143 of the doors 140 and 150,
Since 153 is located behind the entrance of the opening, opening 1
The protruding portion of 31 is conspicuous, and mistakes in the vertical direction of the plug 200 are prevented. When the plug 200 is inserted into the opening of the modular connector 100, as shown in FIG.
0 and 150 start to open, and finally the doors 140 and 150 are opened with the plug 200 completely fitted.

In FIG. 5, the springs 147 and 157 are shown in the shape in which the doors 140 and 150 are open. When the plug 200 is inserted into the modular connector 100, both shoulder portions 2 of the arm portion 201 of the plug 200 are inserted.
01a and 201b (see FIG. 3) are fitted to the inner side of the engaging portion 125 (see FIGS. 4 and 6) of the modular connector, so that the modular connector is completely fitted with a click feeling. When pulling out the plug 200 from the modular connector 100, the arm portion 201 is pushed toward the body side of the plug 200 (that is, the arm 201 of the plug 200 and the body portion are sandwiched by fingers).
Engaging portion 125 of modular connector 100 and plug 200
The arm 200 is disengaged from the shoulders 201a and 201b, and the plug 200 can be pulled out as it is. When the plug 200 is pulled out, the double doors are closed.

[0022]

As described above, according to the modular connector of the present invention, since the rectangular portion of the opening is located in the vicinity of the entrance of the opening, most of the opening is covered with the entrance and the opening is closed. Inflow and accumulation of dust are prevented. Further, since the protruding portion of the door is erected at a position retracted to the vicinity of the engaging portion at the recessed position, the function of engaging with the plug is prevented from being impaired. As described above, according to the present invention, a modular connector that is opened and closed only by inserting and removing a plug and in which dust inflow and accumulation are effectively prevented is configured.

Further, according to the modular connector of the present invention, as described above, the risk of mistakenly inserting the plug in the vertical direction is reduced.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a modular connector of the present invention.

2 is a four-sided view showing one of the two doors of the modular connector shown in FIG. 1, (A) being a plan view, FIG.
(B) is a front view, (C) is a bottom view, and (D) is a side view.

FIG. 3 is a cross-sectional view (before plug insertion) when the modular connector shown in FIG. 1 is cut along a horizontal plane.

FIG. 4 is a cross-sectional view (before plug insertion) when the modular connector shown in FIG. 1 is cut along a vertical plane.

5 is a cross-sectional view (when a plug is inserted) when the modular connector shown in FIG. 1 is cut along a horizontal plane.

6 is a cross-sectional view (after plug insertion) when the modular connector shown in FIG. 1 is cut along a vertical plane.

FIG. 7 is a perspective view showing an example of a cover for an opening of a conventional modular connector.

FIG. 8 is a perspective view of a conventional modular connector including a cover that does not require human opening / closing operation.

[Explanation of symbols]

 100 Modular Connector 110 Connecting Block 122 Opening 123a, 123b, 124a, 124b Bearing Groove 120 Jack Housing 125 Engaging Part 130 Front Cover 131 Opening 140,150 Door 141,151 Shaft 142,152 Rectangular Part 143,153 Projecting Part 147,157 Spring 200 Plug 201 Arms 201a, 201b Both shoulders

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Akihiko Otsu 3-5-8 Hisamoto, Takatsu-ku, Kawasaki-shi, Kanagawa Japan MP Co., Ltd. (72) Takahito Oura Takatsu-ku, Kawasaki-shi, Kanagawa Hisamoto 3-5-8 Japan MPM Co., Ltd.

Claims (1)

[Claims] 1. A substantially convex opening having a rectangular portion for receiving a mating plug and a projecting portion projecting from the rectangular portion at the center of the upper portion of the rectangular portion, and having a predetermined distance from the opening. In a modular connector having an engaging portion that engages with a received plug at a position corresponding to the vicinity of the boundary between the rectangular portion of the opening and the protruding portion, the opening is divided into left and right when viewed from the plug insertion direction. The door has two doors each of which has a closed shape and has a rectangular portion that covers half of the rectangular portion of the opening and a protrusion that covers half of the protruding portion of the opening, and the rectangular portion of the door is near the opening entrance. The modular connector characterized in that the protruding portion of the door is erected at a position retracted to the vicinity of the engaging portion.