CN201160138Y - Electrical Connector Assembly - Google Patents

Abstract

An electrical connector assembly, which includes a plug and a socket that cooperate with each other, the plug includes an insulating body and a number of conductive terminals accommodated in the insulating body, the socket includes an insulating body and a number of conductive terminals accommodated in the insulating body, Both the plug and socket conductive terminals include a holding part held on the insulating body, a contact part that can cooperate with each other to realize contact, and a welding part extending out of the insulating body. The contact part of the plug conductive terminal includes a long cut hole, between the plug and When the socket is mated, the contact part of the conductive terminal of the socket slides from one end of the long cut hole to the other end, so that the plug and socket are connected reliably.

Description

Electrical Connector Assembly

【Technical field】

The utility model relates to an electrical connector assembly, in particular to an electrical connector assembly for connecting circuit boards.

【Background technique】

Electronic devices such as computers, mobile phones, and servers usually need to be provided with an electrical connector assembly to electrically connect two circuit boards. Such electrical connector assemblies generally include plugs and sockets respectively arranged on the two circuit boards, as disclosed in The electrical connector assembly disclosed in Chinese Invention Patent No. 200610164677.4 on June 20, 2007. The plug of the electrical connector assembly includes: a plug body made of insulating material; and a plug contact made of conductive material and held by the plug body. The receptacle of the electrical connector assembly includes: a receptacle body made of insulating material and having a connection recess into which the plug body can be inserted; When in the recess, the socket contact is in contact with the plug contact in the connection recess. The surface of the contact portion of the socket contact has a concave portion with a triangular cross-section, and the two sides of the contact portion of the plug contact are inclined to form a wedge-shaped contact portion. When a contact portion of the plug contact and all of the socket contacts When the contact portion is in contact, the wedge-shaped contact portion of the plug contact is in contact with the two side walls of the recess, and forms a gap with the inner bottom surface of the recess. The design of the concave part can increase the contact points to ensure the contact effect; the gap can absorb foreign matter, so as to avoid entrainment of foreign matter between the contact parts. However, the gap is very small, the ability to absorb foreign matter is limited, and the recess is formed on a very small area on the surface of the contact part, and its structure is small, so the plug contact part is easy to deviate from the recess; moreover, the contact part is made of metal It is not easy to process the concave part in the surface of the thin metal plate itself, resulting in complicated manufacturing process and increased cost.

Based on the prior art described above, it is indeed necessary to improve the existing electrical connector assembly.

【Content of utility model】

The main purpose of the utility model is to provide an electrical connector assembly with reliable docking and simple manufacture.

In order to achieve the above purpose, the utility model adopts the following technical solutions: an electrical connector assembly, which includes a plug and a socket that cooperate with each other, the plug includes an insulating body and a number of conductive terminals accommodated in the insulating body, and the socket includes The insulating body and a number of conductive terminals accommodated in the insulating body, the plug and the socket conductive terminal both include a holding part held in the insulating body, a contact part that can cooperate with each other to achieve contact, and a welding part extending out of the insulating body. The contact part of the conductive terminal includes a long cut hole, and when the plug and the socket are mated, the contact part of the conductive terminal of the socket slides from one end of the long cut hole to the other end.

Compared with the prior art, the contact portion of the plug conductive terminal of the electrical connector assembly of the utility model is provided with a long cut hole, so that when the plug conductive terminal is mated with the socket conductive terminal, the long cut hole always contains the contact portion of the socket conductive terminal , to avoid disconnection or unstable signal transmission caused by the offset of the conductive terminal of the plug.

【Description of drawings】

Fig. 1 is a perspective view of the electrical connector assembly of the present invention, wherein the plug and the socket are mated.

Fig. 2 is a perspective view of the electrical connector assembly of the present invention, wherein the plug and socket are separated.

Fig. 3 is a three-dimensional exploded view of the electrical connector assembly of the present invention.

Fig. 4 is a three-dimensional exploded view of another angle of the electrical connector assembly of the present invention.

5 is a perspective view of the plug conductive terminal and the socket conductive terminal of the electrical connector assembly of the present invention, wherein there are two plug conductive terminals and two socket conductive terminals.

Fig. 6 is a cross-sectional view along line A-A in Fig. 2, wherein the plug and socket of the electrical connector assembly are separated.

Fig. 7 is a sectional view along the line B-B in Fig. 1, wherein the plug of the electrical connector assembly is connected to the receptacle.

Fig. 8 is a bottom view of the electrical connector assembly of the present invention when the conductive terminals of the plug and the conductive terminals of the socket are mated.

【Detailed ways】

Please refer to FIG. 1 and FIG. 2 , the electrical connector assembly 1 of the present invention includes a plug 2 and a socket 3 for connecting two circuit boards (not shown).

Referring to FIG. 3 and FIG. 4 , the plug 2 includes an insulating body 20 and a plurality of conductive terminals 4 , wherein the insulating body 20 accommodates and holds the conductive terminals 4 by injection molding. The insulating body 20 is in a frame shape and has a bottom wall 21 and two opposite long sidewalls 22 and two opposite short sidewalls 23 formed around the bottom wall 21 . The bottom wall 21 and the four side walls jointly form an elongated connection recess 24 . In the connecting recess 24 , the bottom wall 21 has two protrusions 25 respectively distributed on the positions close to the long side walls 22 . On the outer side of the long sidewall 22 , a boss 26 is respectively extended outward near the bottom surface. The conductive terminals 4 are divided into two rows spaced apart from each other, are fixed on the long sidewall 22 , and extend outward through the boss 26 .

The socket 3 includes an insulating body 30 and a plurality of conductive terminals 5 accommodated in the insulating body 30 . The insulating body 30 has a receiving space 31 into which the insulating body 20 can be inserted, and the receiving space 31 is surrounded by a bottom wall 32 and two opposite long side walls 33 extending from the bottom wall 32 and two opposite short side walls 34 become. The receiving space 31 has a protruding portion 311 along its longitudinal direction, and the protruding portion 311 forms an annular groove 312 with the side wall. The protruding portion 311 is provided with a groove 313 corresponding to the protruding block 25 of the plug. When the plug 2 and the socket 3 are connected, the groove 313 can accommodate the protruding block 25 and its dimensions can match each other. A generally U-shaped reinforcing wall 341 protruding toward the plug side is provided on the short side wall 34 of the socket to reinforce the strength of the short side wall 34 . An inclined surface 342 is formed on the inner periphery of the reinforcing wall 341 (that is, on the storage space side). A plurality of conductive terminal receiving grooves 35 spaced apart from each other are defined on the long sidewall 33 for receiving the conductive terminals 5 . The long side wall 33 protrudes upwards (pointing to the plug) near the receiving space, and is separated by the receiving groove 35 to form a plurality of protrusions 36 , and the upper surfaces of the protrusions 36 are on the same horizontal plane. The receiving groove 35 runs through the bottom wall 32 on the inner surface of the long side wall 33 , so that the process of forming the conductive terminal receiving groove 35 is simplified, and the insulating body 30 of the socket is easy to form.

Referring to FIG. 5 to FIG. 7 , the plug conductive terminal 4 and the socket conductive terminal 5 will be described in detail below.

The conductive terminal 4 is formed by bending a plate-shaped metal material into a specific shape by stamping and other processes, and is fixed in the plug insulating body 2 by injection molding. The conductive terminal 4 includes: a holding portion 41 covering the top of the long side wall 22 and extending along the outer wall of the long side wall 22 facing the bottom wall 21; a welding portion 43 is bent outward from the holding portion 41 and extends through the convex The back of the table 26 protrudes outwards approximately vertically; the contact portion 42 includes a long cut hole 44, which is a through hole that runs through the metal thickness direction, and its surroundings are airtight, and is arranged on the holding portion 43. Top ends of the side walls 22 extend toward the bottom wall 21 . A corrugated portion 421 is disposed substantially in the middle of the contact portion 42 .

The socket conductive terminal 5 is formed by bending a plate-like metal material into a specific shape through a process such as stamping, and is pressed in after the insulating body 30 is formed. The conductive terminal 5 includes: a substantially inverted U-shaped holding portion 51, which is fixed on the insulating body 30 by clamping the edge of the long side wall 33 of the insulating body 30; a welding portion 52, from the holding portion 51 The lower end portion located on the outer side of the long side wall 33 protrudes outward in a direction substantially perpendicular to the long side wall; The substantially U-shape of the holding portion 51 ; the contact portion 54 is formed by protruding from the free end of the extension portion 53 in a direction away from the holding portion 21 and then bent. Both sides of the two arm portions 511 of the holding portion 51 are respectively provided with barbs 512 to enhance the holding effect of the conductive terminals 5 on the insulating body 30 . The center of the contact portion 54 in the width direction of the metal plate is higher than both sides of the metal plate, so that the two sides respectively form inclined contact surfaces 541 , that is, the contact portion 54 is wedge-shaped.

6 and 7, the combination of the plug 2 and the socket 3 will be described.

When the plug 2 is fitted into the receiving space 31 of the socket 3 , the inclined surface 342 of the reinforcing wall 341 provided on the short side wall 34 can guide the plug 2 . Therefore, even if the relative position of the plug 2 relative to the socket 3 is slightly shifted, the plug 2 can be easily inserted into the receiving space 31 . When the plug 2 enters the socket 3 in the correct direction, the long cut hole 44 of the conductive terminal 4 of the plug 2 begins to contain the contact portion 54 of the conductive terminal of the socket 3, so that the contact surface 541 and the cut hole 44 are respectively close to the conductive terminal 5 The side edge 441 of one side of (see FIG. 8 ). Continue to press down on the plug 2, the contact part 54 slides from one end of the long cut hole 44 to the other end of the long cut hole, when the contact part 54 slides over the wrinkled part 421 (the operator can feel different in the hand feeling), until the contact part 54 pushes With a top edge 442 connecting the two sides 441, the contact terminal 4 and the contact terminal 5 are mated with each other. Viewed from the outside, the plane where the stud 36 on the socket 3 is used as the reference for matching, when the boss 26 of the plug 2 is against the stud 36, the plug 2 and the stud 3 are mated. At the same time, the protrusion 25 is matched with the groove 313 , the protrusion 311 is accommodated in the connection recess 24 , and the long sidewall 22 and the short sidewall 23 are accommodated in the annular groove 312 . The above can make the plug 2 be accurately accommodated in the socket 3 . The protruding post 36 against the boss 26 can effectively prevent the conductive terminal 4 from being over-extruded with the bottom wall 31 of the socket 3 to damage the conductive terminal 4 and prevent the plug 3 from turning over.

During the whole mating process, the long cut hole 44 of the conductive terminal 4 well contains the contact portion 54 of the conductive terminal 5, and the side 441 of the long cut hole 44 is always in contact with the contact surface 541 of the contact protrusion 54, It avoids disconnection or unstable signal transmission due to the offset of the conductive terminal 4, and the long cut hole 44 is a through hole, so that foreign matter is not easy to accumulate, thereby ensuring the reliable connection between the plug 2 and the socket 3 . At the same time, the long cut hole structure can be obtained through simple mold processing on the metal plate, making the manufacturing simple and easy.

Claims (10)

1. An electrical connector assembly, which includes a plug and a socket that cooperate with each other, the plug includes an insulating body and a number of conductive terminals accommodated in the insulating body, and the socket includes an insulating body and a number of conductive terminals accommodated in the insulating body Terminals, the plug and socket conductive terminals all include a holding part fixed to the insulating body, a contact part that can cooperate with each other to achieve contact, and a welding part extending out of the insulating body. It is characterized in that: the contact part of the plug conductive terminal includes a long When the plug and socket are mated, the contact part of the conductive terminal of the socket slides from one end of the long cut hole to the other end. 2. The electrical connector assembly according to claim 1, wherein the long cut hole is a through hole penetrating through the thickness direction of the conductive terminal of the plug. 3. The electrical connector assembly according to claim 2, wherein the contact portion of the conductive terminal of the socket is elastic and includes two contact surfaces, and when the conductive terminal of the socket is mated with the conductive terminal of the plug, the two contact surfaces Touch both sides of the long cut hole. 4. The electrical connector assembly according to claim 3, wherein the surroundings of the long cut holes are sealed. 5 . The electrical connector assembly according to claim 3 , wherein the contact portion of the conductive terminal of the socket is wedge-shaped, and the inclined surfaces on both sides thereof are the above-mentioned contact surfaces. 6 . 6. The electrical connector assembly according to claim 4, wherein when the plug conductive terminal is mated with the socket conductive terminal, a top edge on both sides of the long cut hole is connected to the socket conductive terminal The contact parts are in contact. 7. The electrical connector assembly according to claim 3, wherein the insulating body of the plug includes a side wall and a connection recess formed by the side wall, and the holding portion of the conductive terminal of the plug is fixed on the side of the insulating body wall, and the contact portion is closely attached to the outer surface of the side wall. 8. The electrical connector assembly according to claim 7, wherein the insulating body of the socket includes a side wall and a receiving space formed by the side wall, and the holding part of the conductive terminal of the socket is clamped on the side wall. The inner and outer walls and the contact part extend into the receiving space. 9. The electrical connector assembly according to claim 8, wherein the side wall of the plug insulating body is provided with a boss near the bottom surface, and the top surface of the side wall of the socket insulating body is provided near its inner side. There are bosses that fit the bosses. 10 . The electrical connector assembly as claimed in claim 9 , wherein the receiving space of the socket insulator body has a protruding portion along the longitudinal direction of the socket insulator body, and the protruding portion can be accommodated in the connection recess of the plug. 11 .

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