TW201611432A - Receptacle connector and plug connector - Google Patents

Abstract

The present invention provides with a receptacle connector and a plug connector mated with each other. The receptacle connector includes a terminal module and a first shielding shell shielding around the terminal module. The first shielding shell has a side wall having a protruding portion extending into the mating cavity. The Receptacle connector having the protruding portion aforementioned may mate with a plug connector having an anti-mismating portion. A plug connector don't have an anti-mismating portion can't be inserted into the receptacle connector. The plug connector has an insulating housing, two rows of terminals, a latching member and a second shielding shell shielding around the insulative housing. The second shielding shell has a side wall having a slot regarded as a anti-mismating portion. The special structure aforementioned is benefit for preventing from mating with a non-docking connector.

Description

Socket connector and plug connector

The present invention relates to a socket connector and a plug connector having an anti-insertion structure for preventing erroneous insertion.

U.S. Patent Application Publication No. 20130095702A1 discloses a two-way plug connector having a plug connector having opposing upper and lower surfaces, the plurality of conductive terminals being disposed on the upper and lower surfaces. The conductive terminals exposed to the upper and lower surfaces are symmetrically spaced apart from each other, and the shape of the plug connector is substantially 180 degrees symmetric so that it can be inserted into the corresponding receptacle connector in the forward and reverse directions.

However, the socket connector or the inside of the electronic device needs to be provided with a switching circuit to detect whether the plug connector is inserted in the forward direction or reversely inserted, thereby starting the corresponding subsequent procedure. The more the terminals of the connector, the more complicated the switching circuit, and thus, the trend is not met. At the same time, the plug connector is an exposed plug, and there is still the possibility of plugging damage in actual use.

A new type of plug connector has emerged. The plug connector can be inserted into the socket connector in both forward and reverse directions. During the continuous development process, some special applications have been developed. The size and structure of the connector are previously developed. The same, but only in one direction, while avoiding the damage caused by careless strong insertion.

It is an object of the present invention to provide a receptacle connector and a plug connector having an anti-missing structure.

In order to solve the above technical problem, the present invention provides a socket connector including a terminal module and a shielding shell. The terminal module includes a rear base, a forwardly extending butt tongue, two rows of terminals, and a shielding plate. The row of terminals are respectively arranged on two opposite surfaces of the mating tongue, the shielding plate is located between the two rows of terminals, and the shielding shell surrounds the butting tongue to form a docking cavity therebetween; the shielding shell is provided One of the side walls is provided with a protruding anti-insertion portion extending toward the mating cavity, the protruding anti-insert portion is inserted to allow the plug connector with the anti-plug matching portion to be inserted to block the plug connector without the anti-plug matching portion insert.

In order to solve the above technical problem, the present invention further provides a plug connector comprising an insulative housing, two rows of terminals, a latching member and a shielding shell tightly wrapped around the insulating body, the insulative housing being provided with a docking cavity, The two rows of terminals are arranged on opposite side walls of the mating cavity, and the locking component comprises a pair of latching heads protruding laterally into the mating cavity; the shielding shell is provided with one of the side walls provided with a slit The anti-plug matching part of the structure.

Compared with the prior art, the present invention has the following effects: the present invention can achieve good prevention of mis-insertion.

The first figure is a perspective view of a socket connector and a plug connector that are butted to each other in the first embodiment of the present invention;

The second figure is a perspective view of the first socket connector and the plug connector separated from each other;

The third figure is a perspective view of another angle of the second figure;

The fourth figure is a perspective view of the socket connector in the second figure;

The fifth figure is an exploded perspective view of the socket connector of the fourth figure;

The sixth figure is a perspective view of the terminal module further exploded in the fifth figure;

Figure 7 is a cross-sectional view of the receptacle connector of the second figure taken along the line VII-VII;

Figure 8 is a perspective view of the plug connector partially exploded in the second diagram;

The ninth figure is a perspective view further exploded in the eighth figure;

The tenth figure is a perspective view further exploded of the ninth figure;

Figure 11 is a perspective view further exploded of the tenth figure;

Figure 12 is a perspective view further exploded of the eleventh figure;

Figure 13 is a perspective exploded view of the connector in the twelfth figure;

Figure 14 is a perspective view of a socket connector mounted on a circuit board according to a second embodiment of the present invention;

The fifteenth figure is a perspective view of another angle of the fourteenth figure;

Figure 16 is a perspective view of a socket connector and a plug connector mated to each other in a third embodiment of the present invention;

Figure 17 is a perspective view of the socket connector and the plug connector separated from each other in a sixteenth diagram;

Figure 18 is a perspective view showing a partial exploded view of the plug connector of Figure 17;

Figure 19 is a cross-sectional view taken along the dotted line XIX-XIX in the sixteenth figure;

Figure 20 is a perspective view of a socket connector and a plug connector that are butted to each other in a fourth embodiment of the present invention; and

The twenty-first figure is a perspective view of the twentieth diagram of the socket connector and the plug connector separated from each other.

The first to thirteenth figures show the socket connector 200 and the plug connector 250 of the first embodiment which are butted against each other. As shown in the first to third figures, the two connectors are so-called customized connectors, and the socket connector 200 is provided with a protruding anti-insert portion 229 protruding toward the mating cavity thereof, and the plug connector 250 An anti-plug matching portion 284 that matches the protruding anti-insertion portion 229 is provided. Since the standard plug connector as described in the first paragraph has no slit, it is blocked by the protruding anti-insert portion 229 and cannot be inserted into the receptacle connector 200 of the present embodiment.

As shown in the fourth to seventh embodiments, the customized socket connector 200 includes a terminal module 202, a shielding housing 228, and a metal cover 230. The terminal module 202 includes a rear base 225 and a forwardly extending abutment plate 226. The abutting tongue 226 has two opposite surfaces. The two rows of flat terminals 212 and 216 are arranged on opposite surfaces of the butt tongue 226 to shield The housing 228 encloses the butt tongue 226 to form an abutment cavity 232 therebetween, and a shield plate 218 is disposed between the rows of terminals 212, 216 and has a latch side edge 222. One of the side walls 2811 (the bottom wall in this embodiment) of the shielding case 228 is formed with a protruding anti-insertion portion 229 extending toward the mating cavity 232. The protruding anti-insertion portion 229 is the bottom wall of the self-shaping housing 229. a tab structure formed by tearing, the tab extending in the front-rear direction and extending through the front edge of the shielding case 228, the tab being L-shaped, and the front edge of the shielding housing 228 is disposed at the front end of the tab There is a vacancy 2812. The metal cover 230 covers the upper side wall of the shielding case 228 and the rear base 225 of the terminal module 202. Continuing with reference to FIGS. 6-7, the terminal module 202 includes an upper body 204, a lower body 206, and a middle body 208, the middle body 208 being sandwiched between the upper and lower bodies 204, 206. The upper body 204 includes an upper terminal 212 and an upper insulator 210 in which the upper terminal 212 is embedded by a first injection molding method. The lower body 206 includes a lower terminal 216 and the lower terminal 216 is buried by another first injection molding method. In the lower insulator 214 therein, the middle body 208 includes a shielding plate 218 disposed between the upper and lower bodies 204, 206 and a middle insulator 220. The shielding plates 218 are buried together in the intermediate insulator 220 and the intermediate insulator 220 is placed thereon. The lower bodies 204, 206 are wrapped together.

As shown in the eighth to twelfth drawings, the customized plug connector 250 includes an insulative housing 252 and a shielding housing 254 tightly wrapped around the insulative housing 252. The shielding housing 254 is provided with a slit. The anti-plug matching portion 284 of the structure. The insulative housing 252 is provided with a receiving cavity 256 for receiving the mating tongue 226 of the receptacle connector 200. The two rows of terminals 258 are respectively disposed on the insulative housing 252, and the contact portions thereof are exposed in the receiving cavity 256. A U-shaped metal locking member 260 is assembled in the insulative housing 252, and a pair of locking heads 262 are disposed to project laterally into the receiving cavity 256. A positioning member 264 is disposed at the rear end of the insulative housing 252 for the pins of the terminal 258 to pass back through the positioning member 264. A pair of elastic plates (not shown) are attached to the outside of the insulative housing 252 and extend into the receiving cavity 256. A pair of insulating sheets 266 are covered at the elastic plates for isolating the elastic plates from the shielding case 254. The foregoing structure is a pair of connectors of the plug connector 250, and an inner circuit board and a cable are connected to the rear side of the joint, and the outer side is covered with a metal shell and a cover member, and the lower file is described in detail.

An inner circuit board 268 is disposed behind the positioning member 264, and a terminal 258 pin is soldered to the front edge of the inner circuit board 268. The cable 270 includes a plurality of core wires 272 which are finished by a pair of rear cable organizers 274 and a front cable organizer 276 and welded to the rear edge of the inner circuit board 268, wherein the rear cable organizer 274 includes two independent wires. In part, the two separate portions are assembled to each other in the vertical direction, and the front cable organizer 276 is fixed to the rear edge of the inner circuit board 268 by injection molding. A rear metal housing 278 is secured to the rear edge of the shield housing 254 to enclose the inner circuit board 268, the inner molding 280 is overmolded to the outside of the rear metal housing 278, and a plastic outer cover 282 is used to terminate the cable 270, rear The cable manager 274, the front cable organizer 276, the inner circuit board 268 and the rear metal housing 278 are wrapped therein to form a complete plug connector 250.

As can be seen from the above description, the slit structure of the plug connector 250 is disposed on a main side wall of the shielding case 254 for receiving the tab structure of the shielding case 228 of the socket connector 200 to realize mutual matching. The mating can only be inserted in the set single direction. It will be appreciated that if a custom plug connector is required to be inserted into the customized receptacle connector in both the forward and reverse directions, then another slit structure is required on the other major side wall of the plug connector. The difference is that the standard plug connector does not have a slit structure in the shield housing, so that the standard plug connector cannot be inserted into the customized socket connector 200, even the standard connector and customization. The interface of the plug connector has the same size and the same shape, so that the effect of preventing mis-insertion can be achieved. Plug connector 250, on the other hand, can be plugged into a standard receptacle connector.

The fourteenth to fifteenth drawings show the customized socket connector 300 of the second embodiment. The socket connector 300 is mounted on the circuit board 350, and includes a terminal module and a shielding case 328. The terminal module includes There is a butt tongue 326 that surrounds the butt tongue 326 to form a docking cavity 332 therebetween. The shielding housing 328 is provided with a protruding anti-insert portion 329 on one of its side walls (ie, the bottom wall). The protruding anti-missing portion 329 is a bump structure formed by inwardly stamping the sidewall, and the bump is integrally connected with the sidewall. Compared with the tab structure of the first embodiment, the bump can ensure the sidewall. Integrity ensures the accuracy of the docking. The design concepts of the first and second embodiments described above are substantially the same. Of course, the protruding anti-insertion portion 229/329 may be formed on the top wall of the shielding case. At this time, the protruding anti-insertion portion may be formed by the metal cover 230/330. In this case, the shielding housing needs to have sufficient space for the shielding case. The metal cover 230/330 is provided with the protruding anti-insert portions. It should be noted that the above-mentioned protruding anti-insertion portion 229/329 is immovable. In other embodiments, the protruding anti-insert portion may be formed at the end of the resilient arm 325 of the shield housing or metal cover, and the non-standard or customized plug connector forms a slit or other guide that can be deformed outwardly. In this way, the protruding anti-insertion portion can be completely butted, and the standard plug connector is blocked by the protruding anti-insertion portion from the socket connector due to the lack of the slit or the outwardly deformed guiding surface. The specific structure of the terminal module is the same as that of the first embodiment, and will not be described in detail herein.

It should be noted that the plug connectors of the previous two embodiments can be plugged into a standard socket connector, and sometimes a custom plug connector is not required to be inserted into a standard socket connector. To achieve the above objectives, the customized plug connector needs to be provided with an additional foolproof feature that cannot be interfaced with a standard connector, as will be described below.

16 to 19 show a customized socket connector 450 and a plug connector 400 of the third embodiment. The socket connector 450 is mounted on the circuit board 460, and has a bump structure. The portion protrudes from the shielding shell into the docking chamber, and the structure is the same as that of the customized socket connector of the previous embodiment, and will not be described in detail. The connector structure of the plug connector 400 is substantially the same as that of the previous embodiment, and some simple changes can be made, such as adding an elastic plate, adding a pin to the locking member, etc., which will not be described herein. The shielding case 418 of the plug connector 400 is provided with an anti-plug matching portion which is a slit structure, which is the same as the previous embodiment and will not be described again.

The cable 430 includes a plurality of core wires 432 soldered to the inner circuit board 421. The cable organizer 423 is seated on the inner circuit board 421 for finishing the core wires 432. A middle metal casing 422 and a rear metal casing 424 are further wrapped inside. The outer sides of the circuit board 421 and the cable 430. An outer cover member 436 is finally wrapped over the shield housing 418, the middle metal housing 422, and the rear metal housing 424. Different from the previous embodiment, the outer cover member 436 is further formed with an additional anti-insertion portion 438 extending forwardly. The additional anti-insertion portion 438 has an annular structure, and the annular structure and the metal housing 418 An annular gap is formed at a distance from each other. After the plug connector 400 is inserted into the receptacle connector 450, the front end of the receptacle connector 450 is received in the gap, and the annular structure surrounds the front end of the receptacle connector. It can be understood that, as described in FIG. 19, the socket connector 450 is generally disposed in the electronic device, and the front end thereof is exactly aligned with the outer casing of the electronic device (shown by a broken line). Generally, the outer casing of the electronic device is just right. Incorporating a front end receiving opening for the socket connector, in the embodiment, an electronically disposed outer casing is further provided with an annular opening to allow insertion of the additional anti-insertion portion 438 of the plug connector 400. Conversely, if the electronic device housing does not have more openings reserved, the plug connector 400 cannot be fully inserted into the docking cavity of the receptacle connector. On the other hand, although the standard plug connector does not have an annular structure, the standard plug connector does not have a slit structure, so the standard plug connector is blocked by the protruding anti-insert portion 452 of the receptacle connector and cannot be insert. Please note that the additional anti-insertion portion 438 of the annular structure is provided with a slit 439 penetrating forward, and the slit extends in the front-rear direction, which doubles the plug connector to be inserted into the corresponding socket connector in only one direction. 450.

20 to 21 show a plug connector 500 of a fourth embodiment, which is substantially the same in structure as the third embodiment, and the main difference is the ring structure. In this embodiment, the plug connector 500 is external. The cover member is located at the rear of the shielding shell, and the outer covering member is provided with an additional anti-insertion portion 538 extending forwardly. The additional anti-insertion portion is a protruding plate, and the protruding plate is located on the side of the shielding shell and the shielding shell A certain gap is formed between the bodies to form a socket front end receiving portion. It can be understood that the outer casing of the electronic device needs to be provided with an opening corresponding to the protruding plate. The protruding plate serves as a guiding direction and an anti-insertion structure when the two connectors are butted. The above-mentioned annular structure and the protruding plate are collectively referred to as an additional anti-insertion portion, and the outer casing of the electronic device equipped with the socket connector is reserved for the opening on the side of the socket connector.

It will be appreciated that the third and fourth embodiments not only allow the customized plug connector to be inserted into the corresponding custom receptacle connector and prevent the standard plug connector from being inserted into the customized receptacle connector, but also prevent customization. Plug the connector into the standard connector. In any event, the plug connectors of the third and fourth embodiments require an outer cover. That is, the outer side of the plug connector is covered with outer covering members 436, 536, and the outer covering members 436, 536 are located behind the shielding housing, and the front end of the outer covering member is provided with an additional anti-backward extension The insertion portion 438, 538 is located at a side of the shielding shell and spaced apart from the shielding shell to form a socket front end receiving portion, and the additional anti-insertion portion is adapted to be mounted with the socket connector The housing of the device is reserved for the opening on the side of the receptacle connector.

Of course, in order to ensure single-direction insertion, one side wall of the metal casing of the plug connector may be designed to be wavy, that is, it is integrally provided with a recessed portion in the direction of the receiving cavity and a protruding portion in the opposite direction, which is customized. The receptacle connector has a mating structure for mating the two so that only one direction of insertion is allowed.

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 description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto. Equivalent modifications or variations made by those skilled in the art in accordance with the spirit of the present invention are still covered by the appended claims. For example, the forward direction referred to herein is the docking direction, up and down direction. Relatively speaking, these conditions also apply to electrical connectors that are mounted vertically on the board.

200, 300, 450‧‧‧ socket connectors

202‧‧‧Terminal module

204‧‧‧Upper ontology

206‧‧‧ Lower ontology

208‧‧‧Chinese ontology

210‧‧‧Upper insulator

212, 216, 258‧‧‧ terminals

214‧‧‧lower insulator

218‧‧‧ shielding board

220‧‧‧Intermediate insulator

222‧‧‧Lock side edges

225‧‧After the base

226, 326‧‧‧ 接接舌板

228, 328, 418‧‧ ‧ masking shell

229, 329, 452 ‧ ‧ protruding anti-insertion

230‧‧‧metal cover

232, 332‧‧‧ docking chamber

250, 400, 500‧‧‧ plug connectors

252‧‧‧Insulated body

254‧‧‧Shaded housing

256‧‧‧ containment chamber

260‧‧‧Locks

262‧‧‧Lock head

264‧‧‧ positioning parts

266‧‧‧Insulation sheet

268, 421‧‧‧ internal circuit board

270, 430‧‧‧ cable

272, 432‧‧ core wire

274‧‧‧ Rear line manager

276‧‧‧Previous cable organizer

278, 424‧‧ ‧ metal casing

280‧‧‧Injected parts

2811‧‧‧ side wall

2812‧‧‧ Vacancy

282, 436, 536‧ ‧ outer coverings

284‧‧‧Anti-plug matching

325‧‧‧Flexible arm

350, 460‧‧‧ circuit board

422‧‧‧Metal metal casing

423‧‧ ‧ cable organizer

438, 538‧‧‧Additional anti-plugging

439‧‧‧slit

no

200‧‧‧ socket connector

229‧‧‧ protruding anti-insertion

250‧‧‧ plug connector

284‧‧‧Anti-plug matching

Claims (10)

A socket connector includes a terminal module and a shielding shell. The terminal module includes a rear base, a forwardly extending butt tongue, two rows of terminals, and a shielding plate. The two rows of terminals are respectively arranged on the two opposite butt joints. The shielding plate is located between the two rows of terminals, and the shielding shell surrounds the butting tongue to form an abutting cavity therebetween; wherein one side wall of the shielding shell is provided with a direction A protruding anti-insert portion extending from the docking chamber, the protruding anti-insertion portion is inserted to allow insertion of the plug connector having the anti-insertion matching portion to block insertion of the plug connector without the anti-insertion matching portion. The socket connector of claim 1, wherein the protruding anti-insertion portion is a tab formed by tearing from the side wall, the tab extending in a front-rear direction and extending through a front edge of the shielding case. The socket connector of claim 2, wherein the tab is L-shaped, and a front edge of the shielding shell is provided with a vacant portion at a front end of the tab. The socket connector of claim 1, wherein the protruding anti-insertion portion is a bump formed by inward pressing from the side wall, and the bump is integrally connected with the side wall. A plug connector includes an insulative housing, two rows of terminals, a latching member, and a shielding shell tightly wrapped around the insulating body, the insulative housing is provided with a mating cavity, and the two rows of terminals are arranged in a mating cavity The two side walls, the locking member comprises a pair of locking heads protruding laterally into the docking chamber; wherein the shielding housing is provided with one of the side walls provided with an anti-plug matching portion having a slit structure. The plug connector of claim 5, wherein the outer side of the plug connector is covered with an outer covering member, the outer covering member is located at the rear of the shielding housing, and the outer covering The front end of the piece is provided with an additional anti-insert portion extending forwardly, and the additional anti-insertion portion is located at a side of the shielding case and spaced apart from the shielding case to form a socket front end receiving portion, the additional anti-insertion portion The housing for an electronic device equipped with a receptacle connector reserves an opening on the side of the receptacle connector. The plug connector of claim 6, wherein the additional anti-insert portion is a ring structure. The plug connector of claim 7, wherein the outer surface of the additional anti-insert portion is provided with a slit penetrating forward. The plug connector of claim 5, wherein the additional anti-insert portion is a protruding plate structure. The plug connector of claim 5, wherein the other side wall of the shielding case is also provided with an anti-plug matching portion that is a slit structure.