CN1322636C - Electric connector combination - Google Patents

Abstract

An electric connector combination includes a plug connector and a socket connector. The socket connector is provided with a socket body and a socket terminal with a guide plate accommodated in the socket body. The guide plate is provided with two guide surfaces which are respectively located on two opposite sides of the two guide plates. The device is provided with a plug body and a plug terminal accommodated in the plug body, and one end of the plug terminal is staggered and extended with two contact arms. When the two connectors are plugged together, the two contact arms of the plug terminal respectively abut against the two dislocated and recessed conducting surfaces of the socket terminal.

Description

electrical connector combination

【Technical field】

The present invention relates to an electrical connector assembly, in particular to an electrical connector assembly electrically connecting two circuit boards.

【Background technique】

With the continuous development of electronic equipment, especially various portable electronic equipment, the size of various electronic components, such as electrical connectors, needs to be reduced accordingly. In order to meet the requirements of small and high-speed transmission, the electrical connector industry has developed an electrical connector assembly for high-speed signal transmission between two integrated circuit boards. US Patent No. 6,093,035 has shown this electrical connector assembly.

At present, an electrical connector assembly commonly used in the electrical connector industry, as shown in Figures 1 to 3, includes a receptacle connector 5' and a plug connector 4', wherein the receptacle connector 5' is provided with a The socket body 50' of the terminal receiving groove 504', the socket terminal 30' is accommodated in the socket body 50'. Each receptacle terminal 30' includes: a plate-shaped lead part 31', a connecting part 33' opposite to the lead part 31' and a holding part 32' connecting the two parts, and the connecting part 33' is provided with a welding piece 330 ′ is used to attach solder balls (not shown) thereon and finally solder the receptacle connector 5 ′ to a circuit board (not shown).

The plug connector 4' also includes a plug body 40' with a terminal receiving hole 403', the plug terminal 20' is accommodated in the terminal receiving hole 403', the plug terminal 20' is also provided with a flat base 21', a pair of self- The contact arm 22' extending from one end of the base part 21' and staggered, the fixing part 23' extending from the other end of the base part 21', and the tail part 24' extending away from the contact arm 22', the tail part 24' can pass through A solder ball (not shown) solders the plug connector 4' to a circuit board (not shown).

When the two electrical connectors are connected, the guide plate 31' of the socket terminal 30' is inserted between the two contact arms 22' of the plug terminal 20', and the arc-shaped contact parts 222' of the two contact arms 22' are respectively abutted against the conductor. both sides of the plate 31'. Since the guide plate 31' is a flat plate structure, when the terminals are plugged in, the two contact parts 222' of the plug terminal 20' will fall to both sides due to large deformation and interfere with the side wall of the terminal receiving hole 403', and Since the guide plate 31' of the socket terminal 30' is relatively thin and has poor rigidity, the reverse pressure of the two arc-shaped contact parts 222' of the plug terminal 20' acting on the left and right sides will cause the guide plate 31 ' Deformation.

Therefore, it is necessary to design an electrical connector assembly to overcome the above defects.

【Content of invention】

The technical problem to be solved by the present invention is to provide an electrical connector combination, which can reduce the amount of deformation when the plug terminal and the socket terminal are connected.

The purpose of the present invention is achieved in this way: the electrical connector assembly includes a plug connector and a socket connector, wherein the plug connector includes a plug body and a plug terminal accommodated in the plug body, and one end of the plug terminal is staggered to be provided with two contacts. A receiving space is formed between the two contact arms, and two oppositely bent contact parts are formed at the ends of the two contact arms. The socket connector matched with the plug connector includes a socket body and a socket housed in the socket body One end of the socket terminal is provided with a guide plate to be plugged with the two contact arms of the socket terminal. The guide plate is provided with two guide parts with a guide surface. The direction abuts against the two conducting surfaces respectively, and the conducting surface of one of the conducting parts is recessed relative to the other conducting part.

When the plug connector is mated with the socket connector, the guide plate of the socket terminal will be inserted into the accommodation space between the two contact arms of the plug terminal, and the arc-shaped contact parts of the two contact arms are respectively against the two sides of the socket terminal. Misplaced leads.

Compared with the prior art, the electrical connector of the present invention has the following effects: when the plug terminal is docked with the socket terminal, since the conductive surfaces of the two conductive parts of the socket terminal are concave and misplaced, the two contact parts of the plug terminal are docked. It will not fall to both sides due to large deformation and interfere with the side wall of the terminal accommodating groove.

【Description of drawings】

FIG. 1 is an exploded perspective view of a conventional electrical connector assembly.

Fig. 2 is a perspective view of a plug terminal of a conventional electrical connector assembly.

Fig. 3 is a perspective view of a socket terminal of a conventional electrical connector assembly.

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

FIG. 5 is a perspective view of the socket connector of the electrical connector assembly of the present invention.

FIG. 6 is a partially enlarged view of FIG. 5 of the electrical connector combination of the present invention.

FIG. 7 is an enlarged partial cross-sectional view along VI-VI of FIG. 5 of the electrical connector combination of the present invention.

Fig. 8 is a perspective view of the plug terminal of the electric connector combination of the present invention.

FIG. 9 is a perspective view of the socket terminal of the first embodiment of the electrical connector assembly of the present invention.

Fig. 10 is a perspective view of the socket terminal of the second embodiment of the electrical connector combination of the present invention.

Fig. 11 is a perspective view of the socket terminal of the third embodiment of the electrical connector combination of the present invention.

Fig. 12 is a three-dimensional assembled view of the electrical connector assembly of the utility model.

Fig. 13 is a partially enlarged view of Fig. 12 of the electrical connector combination of the present invention.

【Detailed ways】

Please refer to FIG. 4 to FIG. 9 , the electrical connector assembly 1 of the present invention includes a plug connector 4 and a socket connector 5 . The plug connector 4 is provided with a plug body 40 and a plurality of plug terminals 20 accommodated therein. The plug body 40 is formed with a welding surface 401 and a butt surface 402 to match the circuit board (not shown) and the socket connector 5 respectively. The middle area of the plug body 40 is provided with a number of rectangular arrays and runs through the welding surface 401 and The terminal accommodating hole 403 on the mating surface 402 , the plug terminal 20 is accommodated in the terminal accommodating hole 403 , and a pair of protrusions 404 of different sizes are respectively provided at two longitudinal ends of the plug body 40 .

The plug terminal 20 is provided with a flat base 21. A pair of contact arms 22 extend from one end of the base 21. The pair of contact arms 22 are staggered and bent to both sides relative to the base 21. Between the two contact arms 22 A receiving space 220 is formed, and arc-shaped contact portions 222 with opposite bending directions are formed at ends of the two contact arms 22 . The other end of the base 21 extends vertically to form a fixed portion 23 , and a plurality of thorns 230 are formed on both sides of the fixed portion 23 . A shoulder 210 is formed on both sides of the position. One end of the fixing portion 23 is extended with a tail portion 24, and the tail portion 24 is provided with an arc-shaped soldering piece 240 for a solder ball (not shown) to be attached to the welding piece 240 to solder the plug terminal 20 to the plug connector 4. circuit board (not shown).

The socket connector 5 includes a socket body 50 and a plurality of socket terminals 30 accommodated therein. The socket body 50 is provided with a base plate 500 and a peripheral retaining wall 501 vertically extending from the periphery of the base plate 500, wherein the base plate 500 is formed with a plug connector. 4, the mating surface 502 that matches the mating surface 402 and the mounting surface 503 that is opposite to the mating surface 502 to be installed on a circuit board (not shown), and the central area of the bottom plate 500 is also provided with a number of rectangular arrays. The terminal receiving groove 504 penetrates through the base plate 500 . The terminal receiving groove 504 has a first inner wall 507 and a second inner wall 508 . The outer barrier wall 501 and the base plate 500 together define a receiving cavity 505 for the plug connector 4 to insert. Two longitudinal ends of the socket body 50 are respectively provided with an opening 506 matching with the protrusion 404 provided on the plug connector 4 , and the two openings 506 are also of different sizes to ensure the correct docking of the two connectors.

9 shows the structure of the socket terminal 30 of the first embodiment of the electrical connector assembly 1 of the present invention. The socket terminal 30 is provided with a holding portion 32, and several barbs 320 are provided on both sides thereof, and the barbs 320 can be connected to the terminal. The side walls of the receiving groove 504 interfere to hold the socket terminal 30 in the terminal receiving groove 504 . A connecting plate 31 extends upward from one end of the holding portion 32 , and the connecting plate 31 is provided with a first connecting portion 36 and a second connecting portion 38 . Both sides of the first connecting portion 36 are formed with a first connecting surface 360 that is recessed toward one side of the guiding plate 31 and a first back surface 362 opposite to the first connecting surface 360, and both sides of the second connecting portion 38 are also formed. Correspondingly, a second conducting surface 380 and a second back surface 382 opposite to the opposite direction are formed, and the first conducting surface 360 and the second back surface 382 and the second conducting surface 380 and the first back surface 362 are not in common. noodle.

Please refer to FIG. 5 to FIG. 7 in combination. After the socket terminal 30 is accommodated in the terminal accommodating groove, the vertical distance a1 between the first conductive surface 360 and the first inner wall 507 of the terminal accommodating groove 504 facing it is greater than the second back surface 382 The vertical distance b1 between the first inner side wall 507 and the vertical distance a2 between the second conductive surface 380 and the second inner side wall 508 of the terminal receiving groove 504 facing it is also greater than the first back surface 362 and the second inner side The vertical distance b2 between the walls 508 . The width of the holding portion 32 is smaller than that of the connecting plate 31 , so that bosses 312 are formed on both sides of the joint between the connecting plate 31 and the holding portion 32 . The end of the holding portion 32 is provided with a tail portion 33 , and the tail portion 33 is provided with an arc-shaped soldering surface 330 for attaching solder balls (not shown) and finally soldering the receptacle connector 5 to a circuit board (not shown).

Please refer to FIG. 12 and FIG. 13 together. When combined, the plug connector 4 is inserted into the receiving cavity 505 of the receptacle connector 5, and the two protrusions 404 are respectively inserted into the corresponding openings 506, and the mating surface 402 of the plug connector 4 is in contact with the receptacle connector. The mating surface 502 of 5 abuts against each other. The guide plate 31 of the socket terminal 30 is inserted into the accommodation space 220 between the two contact arms 22 of the plug terminal 20 , and the arc-shaped contact portions 222 of the two contact arms 22 respectively abut against the two dislocated first contact surfaces of the socket terminal 30 360 and the second guide surface 380. Because the two connecting parts of the connecting plate 31 are misplaced, and the two contact arms 22 matched with it are bent in opposite directions, so that when the two contact parts 222 are connected with the two connecting parts, the two contact parts 222 are vertically connected. The distance along the board surface of the guide plate 31 is smaller than the thickness of the guide plate 31 , so when the two terminals are butted, the contact arm 22 will not fall to both sides due to large deformation and interfere with the side wall of the terminal receiving hole 403 . Because the receptacle terminal 30 is stamped from a thicker material, the rigidity of its lead plate 31 is better, and the reverse pressure on the left and right sides of the plug terminal 20 will not be too high due to the reverse pressure of the arc contact portion 222 of the plug terminal 20 when conducting. Large enough to deform the lead plate 31.

Fig. 10 is a perspective view of the socket terminal 80 of the second embodiment of the electrical connector assembly 1 of the present invention. The guide plate 81 of the socket terminal 80 is a flat plate structure, and the two plates of the guide plate 81 are respectively provided with a self-conducting plate The grooves 810 extend toward the holding portion 82 . The two grooves 810 are staggered. When the two electrical connectors are mated, the two contact portions 222 of the plug terminal 20 abut against the bottom surfaces of the two grooves 810 respectively. At this time, the distance between the two contact portions 222 in the direction perpendicular to the surface of the guide plate 81 is smaller than the thickness of the guide plate 81, and the contact arm 22 will not fall to both sides due to large deformation and meet the side wall of the terminal receiving hole 403. put one's oar in. Moreover, the groove 810 can restrict the horizontal sliding of the contact arm 22, thereby ensuring good contact between the two electrical connectors.

Fig. 11 is a perspective view of the socket terminal 90 of the third embodiment of the electrical connector assembly 1 of the present invention, the guide plate 91 of the socket terminal 90 is also a flat plate structure, and the two plates of the guide plate 91 are respectively provided with a notch 910 (not shown on another notch figure), these two notches are at the same horizontal position. When the two electrical connectors are mated, the two contact portions 222 of the plug terminal 20 abut against the bottom surfaces of the two notches 910 respectively. This implementation manner can also achieve the same technical effect as the first two implementation manners.

Claims (10)

1. An electrical connector combination, which includes a plug connector and a socket connector, wherein the plug connector includes a plug body and a plug terminal accommodated in the plug body, and one end of the plug terminal is staggered to be provided with two contact arms, contacting The free end of the arm is provided with a contact portion, and the socket connector matched with the plug connector includes a socket body and a socket terminal accommodated in the socket body, and one end of the socket terminal is provided with a guide plate to connect with the two contact arms of the socket terminal. The guide plate is provided with two guide parts with guide surfaces, and the two contact parts are respectively abutted against the two guide surfaces from opposite directions perpendicular to the guide plate. It is characterized in that: one of the guide parts The connecting surface of one is recessed relative to the other connecting part. 2. The electrical connector assembly according to claim 1, wherein the positions of the two conducting surfaces in the direction perpendicular to the conducting plate are completely staggered, and there is a part connecting the two conducting parts in the middle. 3. The electrical connector assembly according to claim 2, wherein the conductive surfaces of the socket terminals are also completely staggered along the direction in which the socket terminals are inserted into the plug terminals. 4. The electrical connector assembly as claimed in claim 1, wherein the connecting surfaces of the receptacle terminals are notches respectively provided on two surfaces of the connecting plates. 5 . The electrical connector assembly according to claim 1 , wherein the connecting plate is flat, and the two connecting surfaces are concavely formed from two sides of the connecting plate. 6 . 6 . The electrical connector assembly according to claim 1 , 2 , 3 , or 5 , wherein the conducting surface of the receptacle terminal is a plane extending to the end of the guide plate along the direction in which the receptacle terminal is inserted into the plug terminal. 7. A socket connector matched with a plug connector, the plug connector includes a plug body and a plug terminal accommodated in the plug body, one end of the plug terminal is staggered and provided with two contact arms with contact parts, the socket connector It includes a socket body with a terminal receiving groove and a socket terminal accommodated in the terminal containing groove. One end of the socket terminal is provided with a guide plate to be plugged with the two contact arms of the socket terminal. The guide plate is provided with a first guide part and a second lead part, the first lead part is formed with a first lead surface and a first back face opposite to it, and the second lead part is formed with a second lead face and a second back face opposite to it, wherein the first lead The first conducting surface and the second conducting surface are respectively arranged on the opposite two sides of the conducting plate, and it is characterized in that: the vertical distance between the first conducting surface and the inner side wall of the terminal accommodating groove facing it is greater than that of the second back surface and the same The vertical distance between the inner sidewalls, the vertical distance between the second conducting surface and the second inner sidewall of the terminal receiving groove facing it is also greater than the vertical distance between the first back surface and the same inner sidewall. 8. The receptacle connector according to claim 7, wherein the first conducting surface and the second conducting surface are completely staggered in a direction in which the receptacle terminal is inserted into the plug terminal. 9. The receptacle connector as claimed in claim 7, wherein two surfaces of the guide plates of the receptacle terminal are respectively provided with a groove, and the bottom surface of the groove is used as the conducting surface of the receptacle terminal. 10. The receptacle connector as claimed in claim 7, wherein two guide plates of the receptacle terminal are respectively provided with a notch, and the receptacle terminal uses the bottom surface of the notch as a conducting surface.

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