CN200972982Y - Electric connector - Google Patents

Abstract

The utility model discloses an electrical connector, which comprises: an insulating body, a plurality of conductive terminals accommodated in the insulating body, and a cover connected to the insulating body, the cover is provided with a flat plate and extends from the flat plate. several connectors. The insulating body is provided with several inserting channels for inserting with the inserting bodies on the cover. The plug body is inserted into the insulating body to hold the cover body, and respectively abuts against some of the conductive terminals accommodated in the insulating body to ensure the retention force of the conductive terminals and prevent the conductive terminals from being inserted and pulled out due to external plugs or sockets. And move back and loosen in the insulating body to achieve stable data communication.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector for a portable phone.

【Background technique】

The electric connector of the mobile phone in the prior art generally includes an integrally formed insulating body, a charging connector part and an earphone connector, which are respectively used for plugging with an external plug or socket, and the charging connector part is connected to the earphone The device parts are respectively electrically connected with the circuit board and accommodated in the insulating housing independently of each other.

However, in recent years, with the continuous development of communication technology, portable phones are increasingly miniaturized and multifunctional, and it is necessary to connect the portable phone with a personal computer through a communication cable to realize the transmission of data signals or the upgrade of the software version of the portable phone. Therefore, in the electrical connector, in addition to the integrated charging connector part and earphone connector part, a data signal connector part with signal transmission terminals is also provided.

In order to realize the insertion of external plugs or sockets, a number of conductive terminals are arranged in the charging connector, earphone connector and data signal connector. However, when the external plug or socket is plugged into the electrical connector, it is plugged from the front end of the insulating body to the rear end. Unavoidable, when the external plug or socket is plugged and pulled out of the insulating body for many times, the conductive terminal will move backward and become loose in the insulating body. If the conductive terminals are loose in the insulating body, it is difficult for the electrical connector to realize stable transmission of signals.

In view of this, it is necessary to provide an improved electrical connector to overcome the above-mentioned defects of the electrical connector.

【Content of utility model】

The purpose of the utility model is to provide an electrical connector, which includes a plurality of connectors with different functions, and realizes stable data communication.

In order to achieve the above purpose, the utility model adopts the following technical solutions: an electrical connector, which includes an insulating body, a number of conductive terminals accommodated in the insulating body, and a cover connected to the insulating body, the cover is provided with The flat plate part and several inserting bodies extending from the flat plate part. The insulating body is provided with several inserting channels for inserting with the inserting bodies on the cover.

Compared with the prior art, the electrical connector of the utility model has the following beneficial effects: since the inserting body is inserted into the insulating body to hold the cover, and respectively abuts against some conductive terminals accommodated in the insulating body, to ensure the The holding force of some conductive terminals prevents the conductive terminals from moving backward and loosening in the insulating body due to the plugging and unplugging of the external plug or socket, so as to achieve stable data communication.

【Description of drawings】

Fig. 1 is a perspective view of the electrical connector of the present invention.

Fig. 2 is an exploded view of the electrical connector of the present invention.

Fig. 3 is a perspective view of the conductive terminal in the electrical connector of the present invention.

Fig. 4 is a partially exploded view of the electrical connector of the present invention.

Fig. 5 is a perspective view of the insulating body in the electrical connector of the present invention.

Fig. 6 is a perspective view of another viewing angle of the electrical connector of the present invention.

Fig. 7 is a cross-sectional view of the electrical connector of the present invention shown in Fig. 6 along line VII-VII.

【Detailed ways】

Please refer to Fig. 1, the utility model is an electrical connector 1 for a portable phone (not shown), which includes an insulating body 2 of an integral structure, a plurality of conductive terminals (not shown) accommodated in the insulating body 2 marked), and a detachable cover 3 connected to the insulating body 2. The insulating body 2 is integrally provided with three connector parts (not marked) with different functions, and the three connector parts are respectively: Charging connector part 4, is used for charging the battery built in the cellular phone; Data signal connector part 5, it is connected with personal computer via communication cable, is used for the upgrade of data signal transmission and cellular phone software version; And earphone connection Device part 6.

The insulating body 2 is provided with a plurality of through grooves 20 passing through its upper surface 21, and the conductive terminals include first and second ground terminals 40, 60 and data signal terminals 50, the first and second ground terminals 40, 60 and data signal terminals 50 are respectively provided with respective contact portions 100 protruding from the upper surface 21 of the insulating body 2 through the through groove 20, so as to realize the connection between the electrical connector 1 and the circuit board (not shown in the figure) in the mobile phone. shown) electrical connection. The first and second ground terminals 40 , 60 and the data signal terminal 50 are all stamped from a thin metal plate and bent to form a conventional dome-shaped contact portion 100 .

As shown in FIGS. 1 to 7 , the insulating body 2 forms first, second and third insertion openings 24 , 25 , and 26 respectively corresponding to the connector portions on the front end surface 22 perpendicular to the upper surface 21 . , used for inserting with an external plug or socket (not shown), so as to achieve the connection between the external plug or socket and each connector part respectively. The insulating body 2 is provided with a plurality of plugging channels (not marked) for plugging into the corresponding plugging bodies 33 on the cover body 3 . At the position corresponding to the third insertion opening 26 on the rear end surface 23 of the insulating body 2 parallel to the front end surface 22, adjacent to the upper surface 21 and at a certain distance from the upper surface 21, a pair protrudes into the third insertion opening 26 respectively. Correspondingly, on the rear end surface 23 of the insulating body 2 corresponding to the position of the third insertion port 26 , adjacent to the lower surface 27 and at a certain distance from the lower surface 27 , protrude inwardly toward the third insertion port 26 respectively. A pair of second protrusions 232 are extended, and the two pairs of first protrusions 231 and second protrusions 232 are not in contact with each other. They respectively form the first surface of the cover body 3 together with the upper surface 21 and the lower surface 27 of the insulating body 2. The first insertion channel 233 and the second insertion channel 234 where the insertion body 311 and the second insertion body 312 are inserted, and at the same time, the first protrusion 231 and the second protrusion 232 distributed on the left side jointly form an available cover The third insertion channel 235 into which the third insertion body 313 of the body 3 is inserted. The first, second and third insertion channels 311, 312, 313 extend horizontally from the rear end surface 23 of the insulating body 2 to the front end surface 22 thereof, but do not extend to the front end surface 22 of the insulating body 2, The first, second, and third insertion channels 311, 312, 313 communicate with the third insertion port 26, wherein the extension length of the first insertion channel 233 is shorter than that of the second and third insertion channels 234, 235, and The extension lengths of the second and third insertion channels 234 and 235 are the same. On the left side of the third insertion channel 235, away from the third insertion port 26, there is a fourth insertion channel 236 for inserting the fourth insertion body 314 of the cover body 3. The fourth insertion channel 236 is separated from the insulating body 2. The rear end surface 23 of the rear end surface 23 extends horizontally toward the front end surface 22 thereof, but does not extend to the front end surface 22 of the insulating body 2 , and the fourth insertion channel 236 communicates with the third insertion channel 235 . After assembly, the flat connecting portion 62 of the connecting terminal 61 of the earphone connector 6 separates the third insertion channel 235 from the fourth insertion channel 236 . The middle part of the rear end surface 23 of the insulating body 2 corresponding to the first insertion port 24 is provided with a holding body 28 connected to the insulating body 2, and the center of the holding body 28 is provided with a terminal installation groove for installing the central contact body 41 of the charging connector part 4. 281, the fifth and sixth insertion channels 237 and 238 are recessed into the terminal installation groove 281 at the left and right ends of the holding body 28, and the fifth and sixth insertion channels 237 and 238 pass through the first The insertion opening 24 is used for inserting the fifth and sixth inserting bodies 321 , 322 of the cover body 3 .

The cover body 3 is connected to the rear end surface 23 of the insulating body 2, and it is used to close the rear end surface 23. The cover body 3 is provided with a flat plate portion 30 and several plug-in bodies 33 of different lengths extending from the flat plate portion 30 in the same direction. The plug-in body 33 is divided into two areas, namely the first plug-in area 31 and the second plug-in area 32, the first plug-in area 31 can be plugged into the position corresponding to the third insertion port 26 on the rear end surface 23 of the insulating body 2 , correspondingly, the second insertion area 32 can be inserted in the position corresponding to the first insertion opening 24 on the rear end surface 23 of the insulating body 2 . The first plug-in area 31 consists of a hollow short cylinder 310 in the middle, two third plug-in bodies 313 and second plug-in bodies 312 with the same shape on the left side and the lower side of the short cylinder 310, and two third plug-in bodies 312 located on the left side and the lower side of the short cylinder 310. The length of the upper side is slightly shorter than the third socket 313 and the first socket 311 of the second socket 312 , and the fourth socket 314 close to the third socket 313 and on the left side of the third socket 313 Composition; the second plugging area 32 is composed of two rectangular parallelepiped fifth plugging body 321 and sixth plugging body 322 . In order to facilitate the forming of the cover body 3 , a number of forming holes 34 are provided on part of the inserting body 33 . In addition, a plurality of convex ribs 35 are provided on the outer surfaces of the fourth, fifth and sixth inserting bodies 314 , 315 and 322 to interfere and hold the insulating body or some conductive terminals. In order to prevent some conductive terminals from abutting against the cover body 3 after being pressed, the cover body 3 is also provided with a plurality of relief openings 36 .

As shown in Figures 2 and 3, the data signal connector part 5 includes: a plurality of data signal terminals 50, the data signal terminals 50 are provided with a first base part 51, which is bent and extended upward from the first base part 51 to protrude from the insulating body The contact part 100 on the upper surface 21 of the upper surface 21, and the first contact part 52 extending in parallel from the first base part 51 toward the direction of the insertion port 25, the first contact part 52 is in contact with the external communication cable socket to transmit data Signal. The data signal terminal 50 is surrounded or covered by a metal shell 53 disposed at the insertion opening 25 of the insulating body 2 , and the metal shell 53 is configured as a tube with a square cross section to shield the data signal terminal 50 . In order to avoid the static electricity generated by the metal shell 53 from affecting the data signal terminal 50 and hindering the stability of data signal transmission, a first shrapnel 425 is torn on the connection terminal 42 of the charging connector part 4 to elastically contact the metal shell 53 to achieve The grounding purpose of the metal shell 53 .

The upper and lower sides of the metal shell 53 protrude outwards with elastic retaining pieces 532 for locking with the insulating body 2 , while the left and right sides of the metal shell 53 extend toward the inside with elastic tabs 533 . The elastic contact piece 533 protrudes from the insertion port 25, and is used for elastic crimping with the plug of the external communication cable and holding it, so as to assist the data signal terminal 50 shielded in the metal shell 53 to achieve data communication with the external communication cable. Signal transmission. A side wall 531 extends along at least one of the left and right sides of the metal shell 53 , and the side wall 531 is in elastic contact with the first elastic piece 425 of the connection terminal 42 , so as to realize the grounding purpose of the metal shell 53 .

The charging connector part 4 includes: two first ground terminals 40, a contact terminal 43 electrically connected to one of the first ground terminals 40, a connection terminal 42 with the elastic piece 425, and a central contact body , wherein, the central contact body 41 is provided with a ㄇ-shaped holding portion 412, and a bent contact portion 411 is extended from one side thereof to contact the first ground terminal 40, and from the ㄇ-shaped holding portion 412 toward the direction of the first insertion port 24 The curled cylindrical plug part 413 protrudes from the center of the first insertion port 24, and is located between the connecting terminal 42 and the contact terminal 43, together with the connecting terminal 42 and the contact terminal 43 respectively. The second contact portion 421 and the third contact portion 431 are connected to an external power outlet to charge a battery built in the mobile phone. The contact terminal 43 is bent and extended from the same side of the second base portion 430 to form a tenth contact portion 432 and an eleventh contact portion 433 respectively in contact with the first ground terminal 40 and the fourth contact portion 422 provided on the connection terminal 42 , so as to achieve the purpose of connecting the terminal 42 and the contact terminal 43 to be grounded, and the first elastic piece 425 is generally configured as a protrusion.

Since the data signal connector part 5 is arranged between the charging connector part 4 and the earphone connector part 6, the first elastic piece 425 connected to the metal shell 53 is interchangeable, and it can also be arranged on the earphone. The connecting terminal 61 of the connector part 6 can also achieve the purpose of grounding the metal shell 53 .

The earphone connector part 6 includes: three second grounding terminals 60 having a contact part 100, the connecting terminal 61 electrically connected to the second grounding terminal 60 on the left side, and the connection terminal 61 independently arranged on the connecting terminal 61 On both sides of the first terminal 63 and the second terminal 64 , the first terminal 63 and the second terminal 64 are respectively provided with dome-shaped bumps 631 and 641 on the upper surface 21 of the insulating body 2 , and the bumps 631 and 641 It protrudes from the insulating body 2 and is electrically connected to the circuit board. A middle second ground terminal 60 of the three second ground terminals 60 located on the earphone connector portion 6 protrudes toward the third insertion opening 26 to form a fifth contact portion 602 in a direction opposite to the contact portion 100 . The connecting terminal 61 is provided with a bottom 611, along which a flat plate-shaped connecting portion 62 extends vertically upward along one side edge of the bottom 611 facing the metal shell 53, and a sixth contact portion 612 extends parallelly from the upper end of the connecting portion 62, The sixth contact portion 612 is elastically connected to the second left ground terminal 60, so as to achieve the electrical connection between the connection terminal 61 and the circuit board, and tear the second elastic piece 425′ and the metal shell on the connection portion 62. 53 elastically contacts to achieve the grounding purpose of the metal shell 53 , and a seventh contact portion 613 protrudes from the other side of the bottom 611 toward the third insertion opening 26 . Both the first terminal 63 and the second terminal 64 protrude toward the third insertion opening 26 to form an eighth contact portion 632 and a ninth contact portion 642 respectively. The fifth contact portion 602 , the seventh contact portion 612 , the eighth contact portion 632 and the ninth contact portion 642 are surrounded on the circumference of the third insertion port 26 and protrude inside the third insertion port 26 , together with the third insertion port 26 . The external earphone plug of the insertion port 26 is contacted to realize voice transmission from the earphone connector part 6 to the earphone.

Through the above-mentioned embodiment, the insert body 33 is inserted into the insulating body 2 to hold the cover body 3, and respectively abuts against some of the conductive terminals accommodated in the insulating body 2, so as to ensure the holding force of these conductive terminals and prevent the conductive terminals from The phenomenon that the external plug or socket moves backward and becomes loose in the insulating body due to the plugging and unplugging of the external plug or socket. As long as the same effect can be achieved, the above parts can have any other suitable shapes.

Claims (10)

1. An electrical connector, comprising an insulating body, a plurality of conductive terminals accommodated in the insulating body, and a cover connected to the insulating body, characterized in that: the cover is provided with a flat plate portion and a self-flat plate portion Extended number of connectors. 2. The electrical connector according to claim 1, wherein the plug-in body is divided into two areas, namely a first plug-in area and a second plug-in area. 3. The electrical connector according to claim 2, characterized in that: the first plug-in area consists of a hollow short cylinder in the middle, a third plug-in body and a second plug-in body located on the left and lower sides of the short cylinder. The socket body consists of a third socket body located on the upper side of the short cylinder and a fourth socket body close to the third socket body and located on the left side of the third socket body. 4. The electrical connector according to claim 3, wherein the second insertion area is composed of two rectangular parallelepiped fifth and sixth insertion bodies. 5. The electrical connector according to claim 4, wherein the outer surfaces of the fourth, fifth and sixth insertion bodies are provided with several ribs. 6. The electrical connector according to claim 1, wherein the cover is provided with a plurality of forming holes and relief openings. 7. The electrical connector according to claim 5, wherein a plurality of insertion channels are provided on the insulating body. 8. The electrical connector according to claim 7, wherein three connector parts with different functions are integrally provided in the insulating body, namely: a charging connector part, a data signal connector part and an earphone connector department. 9. The electrical connector according to claim 8, wherein a pair of first bumps and a pair of second bumps are provided on the insulating body, and they respectively form first, second, and second bumps on the insulating body. The third plug-in channel, on the left side of the third plug-in channel, there is a fourth plug-in channel recessed away from the third insertion port. connection channel and the sixth plug-in channel. 10. The electrical connector according to claim 1, wherein the conductive terminals include first and second ground terminals and data signal terminals.

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