CN2351843Y

CN2351843Y - Electric connector

Info

Publication number: CN2351843Y
Application number: CN 98252281
Authority: CN
Inventors: 裴文俊; 黄耀諆
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 1998-12-29
Filing date: 1998-12-29
Publication date: 1999-12-01
Anticipated expiration: 2008-12-29

Abstract

The utility model provides an electric connector, particularly a connector which is assembled on a circuit board and can be steadily connected with the circuit board. The electric connector mainly comprises conductive terminals and an isolation body, wherein, the isolation body is provided with a plurality of containing holes for containing the conductive terminals; each conductive terminal comprises a set fixed end for positioning, a splicing end and an auxiliary end; one side of the set fixed end is provided with a ball surface, and a solder ball is arranged between the ball surface and the circuit board for connecting the circuit board and the conductive terminals. The electric connector is characterized in that the ball surface of each conductive terminal adopts a jagged design and the contact area of each conductive terminal and a connecting ball is increased; so the binding force of each conductive terminal and the connecting ball is enhanced, and the anti-damage capability of each conductive terminal and the connecting ball is intensified.

Description

Electric connector

The utility model relates to a kind of electric connector, refers in particular to be used for the connector that central processing unit and circuit board firmly are connected.

In the prior art relevant with the utility model, the more common joint for conducting terminal and circuit board is provided with a soldered ball, borrows this soldered ball to make both reach electric connection.See also shown in Figure 6, existing connector includes insulating body 6 and conducting terminal 7, insulating body 6 is provided with several accepting holes 61, in order to accommodate conducting terminal 7, the first side wall 611 of accepting hole 61 and second sidewall 612 are used to locate conducting terminal 7, see also the structure of Fig. 7 conducting terminal 7 simultaneously, a side of wherein organizing fixed end 72 is that a rectangular planes shape is planted sphere 71, can be for the usefulness of soldered ball 91 (being detailed later) against contact, the opposite side of group fixed end 72 then extends outward an inserted terminal 73, its width is narrower than group fixed end 72, an other side of group fixed end 72 is then extended auxiliary end 74, it is resisted against on the first side wall 611 of accepting hole 61 (shown in Figure 6) with group fixed end 72, reaches the effect of location conducting terminal 7.So, conducting terminal 7 inserts in the accepting hole 61 of insulating body 6, it is planted sphere 71 and supports only on the soldered ball 91 of circuit board 9, group fixed end 72 is resisted against on the first side wall 611 of accepting hole 61 with auxiliary end 74, the pin 81 of central processing unit 8 then penetrates with between the inserted terminal 73 of second sidewall of accepting hole 61 and conducting terminal 7, and the pin 81 of central processing unit 8 can be closely tied in the accepting hole 61 of insulating body 6 with conducting terminal 7.Though but this connector can make the pin 81 of central processing unit 8 closely be connected with conducting terminal 7, central processing unit 8 is electrically connected with circuit board 9, but the sphere 71 of planting that it is plane is the even surface contact with contacting of soldered ball 91, its contact area is very little, so both adhesions are relatively poor, the ability of bearing fail in shear is also relatively poor, in the grafting process of terminal, be easy to damage, make the central processing unit can't operate as normal.

The purpose of this utility model provides a kind of electric connector, with the contact area of increase conducting terminal and soldered ball, thereby strengthens both adhesions, makes its joint exempt from destruction, and guarantees the operate as normal of central processing unit.

The purpose of this utility model is achieved in that the connector insulating body is provided with several accepting holes to accommodate conducting terminal, and a side of conducting terminal is connected with central processing unit, opposite side is connected with circuit board, this conducting terminal is actual with being connected of circuit board to be that the sphere of planting of this conducting terminal is connected with the soldered ball of circuit board, the sphere of planting that it is characterized in that conducting terminal is designed to roughness, can increase the contact area of soldered ball whereby, and make the connector and the central processing unit adhesion that engage by means of soldered ball preferable.According to above-mentioned feature, the coarse sphere of planting of its conducting terminal is jagged groove or convex body structure, and structure has increased the contact area of planting sphere and soldered ball whereby, and both adhesions are strengthened.

Owing to adopt such scheme, can increase the contact area of planting sphere and soldered ball, make adhesion between the two increase, also strengthened the anti-shearing damage capability of planting sphere and soldered ball joint simultaneously, thereby guaranteed that central processing unit is connected with the normal of circuit board.

Below in conjunction with drawings and Examples the utility model is done an into card explanation.

Fig. 1 is the stereo appearance figure of the utility model conducting terminal.

Fig. 2 is the generalized section of the utility model connector and central processing unit and circuit board winding.

Fig. 3 is the conducting terminal stereo appearance figure of the utility model second embodiment.

Fig. 4 is the conducting terminal stereo appearance figure of the utility model the 3rd embodiment.

Fig. 5 is the conducting terminal stereo appearance figure that the utility model the 4th is executed example.

Fig. 6 is the generalized section of existing connector and central processing unit and circuit board winding.

Fig. 7 is the conducting terminal stereo appearance figure of existing connector.

Be illustrated in figure 1 as the stereo appearance figure of the soldered ball of the utility model connector conducting terminal and corresponding circuits plate, this conducting terminal 11 slightly is the flex foils shape, the one end is provided with group fixed end 112, one side of this group fixed end 112 is for planting sphere 111, this is planted sphere 111 and is provided with three roads and runs through the groove 1110 of organizing fixed end 112, the soldered ball 41 of itself and circuit board 4 connects, and borrows this " V " connected in star 1110 can increase the contact area of planting sphere and soldered ball, makes both adhesion enhancings.And, an other epitaxial lateral overgrowth of group fixed end 112 is stretched and is formed an inserted terminal 113, its width is narrower than group fixed end 112, and inserted terminal 113 continues to stretch out and forms an auxiliary end 114, it is resisted against on the sidewall 311 (being detailed later) of accepting hole 31 of insulating body 3 with group fixed end 112, so that conducting terminal 11 can strong fixs.

Figure 2 shows that for another example that conducting terminal 11 inserts in the insulating bodies 3 and with the schematic diagram of central processing unit 2 and circuit board 4 windings, insulating body 3 is provided with several accepting holes 31, in order to accommodate conducting terminal 11, its inside is provided with the first side wall 311 and second sidewall 312, wherein the first side wall 311 holds 114 to offset with the group fixed end 112 of conducting terminal 11 with auxiliary simultaneously, second sidewall 312 then matches with the pin 21 of central processing unit 2, so the pin 21 of central processing unit 2 is held between the inserted terminal 113 of second sidewall 312 of accepting hole 31 and conducting terminal 11.

Therefore, please contrast and consult Fig. 1 and Fig. 2, when conducting terminal 11 inserts the accepting hole 31 of insulating body 3, its groove 1110 of planting sphere 111 directly is resisted against on the soldered ball 41 of circuit board, this kind structure has increased the contact area of planting sphere 111 and soldered ball 41, and the group fixed end 112 of conducting terminal 11 and auxiliary end 114 are resisted against on the first side wall 311 of accepting hole 31, simultaneously the pin 21 of central processing unit 2 is held between the inserted terminal 113 of second sidewall 312 of accepting hole 31 and conducting terminal 11, so, the pin 21 and the conducting terminal 11 of central processing unit 2 can closely be assigned in the accepting hole 31, make conducting terminal 11 also can reach excellent electrical property with central processing unit 2 and are connected.

Please refer to Fig. 3 again, 4, be respectively the utility model second shown in 5, three, three kinds of conducting terminals 12 in addition of four embodiment, 13,14 outside drawing, the group fixed end 122 of this three classes conducting terminal, 132,142, inserted terminal 123,1 33,143 and auxiliary end 124,134,144 all have same structure with the first embodiment conducting terminal, institute's difference is to plant the design difference of sphere, conducting terminal 12 as shown in Figure 3, it is planted sphere 121 middle parts and establishes a groove 1210, its groove 1110 than the first embodiment conducting terminal 11 is big, and this class formation also can better dock with soldered ball 41; A convex body 1310 is then established at the sphere middle part of planting of the conducting terminal 13 among the 3rd embodiment shown in Figure 4, and soldered ball 41 can dock with the face of planting 131 in the both sides of convex body; Conducting terminal 14 among the 4th embodiment shown in Figure 5, a bending forming face is extended in the outside of its group fixed end 142, this bending forming face is plants sphere 141, establish three grooves 1410 that run through to plant sphere 141 on it, its length is longer than the groove 1110 of the first embodiment conducting terminal 11, so soldered ball 41 can be easier to butt up against in this groove 1410.

Claims

1. electric connector, especially a kind of being assembled on the circuit board, the connector that is used for connecting circuit plate and central processing unit, it comprises insulating body, have several terminal accommodation holes on it, and be contained in the interior terminal of insulating body accepting hole, it is characterized in that an end of conducting terminal and circuit board winding is provided with the rough sphere of planting.

2. electric connector according to claim 1 is characterized in that the sphere of planting of conducting terminal is set to zigzag.

3. electric connector according to claim 1 is characterized in that planting of conducting terminal is provided with at least one and runs through the groove of planting sphere on the sphere.

4. electric connector according to claim 1 is characterized in that planting of conducting terminal is provided with three and runs through the groove of planting sphere on the sphere.

5. electric connector according to claim 1 is characterized in that planting of conducting terminal is provided with a convex body on the sphere.

6. electric connector according to claim 1 is characterized in that the sphere of planting of conducting terminal is to extend a bending forming face by terminal ends, and this forming face is provided with groove.