CN201397906Y

CN201397906Y - Electric connector and terminal thereof

Info

Publication number: CN201397906Y
Application number: CN2009203006381U
Authority: CN
Inventors: 马浩云
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: 2009-02-16
Filing date: 2009-02-16
Publication date: 2010-02-03
Anticipated expiration: 2019-02-16

Abstract

An electrical connector and its terminals can electrically connect a chip module to a circuit board, which includes an insulating body and an electrical connector terminal accommodated in the insulating body. The insulating body includes a receiving part, and the receiving part is provided with a terminal receiving groove. The electrical connector terminal includes a main body held in the terminal receiving groove, wherein the electrical connector terminal also includes an auxiliary portion bent downward from the top of the main body and an elastic arm extending upward from the end of the auxiliary portion. The elastic arm includes a first elastic arm extending upward and outward at an angle a from the end of the auxiliary part, and a second elastic arm bent upward from the end of the first elastic arm and extending toward the auxiliary part. The elastic arm of the electrical connector terminal of the utility model has better elasticity. After the electrical connector terminal is assembled into the insulating body, the elastic arm can be pre-compressed so that the electrical connector terminal has better deformation resistance.

Description

Electric connector and terminal thereof

[technical field]

The utility model is about a kind of electric connector and terminal thereof, particularly a kind of electric connector and terminal thereof that electrically connects chip module to circuit board.

[background technology]

Along with the direction of calculator technology to miniaturization develops, electric connector also with the direction to more and more littler develop, it generally comprises insulating body and plurality of terminals.Because, when terminal combines with the conductive spacer of the electronic building brick (such as chip module) of a butt joint, can produce very big pressure therebetween, and small-sized owing to terminal is so elastic contact arm therein is easily damaged.For described problem, existing several solutions.Related art can be announced No. 2660699 and No. the 6929483rd, United States Patent (USP) with reference to No. the 581333rd, TaiWan, China patent announcement, No. the 572403rd, TaiWan, China patent announcement, Chinese patent.

United States Patent (USP) is announced No. 6695624 and has been disclosed a kind of electric connector terminal relevant with the utility model, it is fixed in the pedestal that is provided with terminal containing slot, comprises the installation portion that cooperates with the terminal containing slot fixing, the L shaped base portion that extends to form from installation portion lower end side vertical extent and the weld part parallel with the upper surface of circuit board, from the upper end side of installation portion, the rake that extends by first folding line from base portion one top and the cantilever that extends to form by second folding line from the free terminal of rake.Wherein, thus this first folding line and this rake all are certain angle with the upper surface of circuit board makes rake extend towards the direction away from installation portion.This cantilever is provided with contact site, and wherein the upper surface of second folding line and circuit board is certain angle, thereby makes contact site parallel with the contact surface of electronic building brick.Rake by terminal can increase contacting the arm of force and then guaranteeing that terminal has the better elastic contact performance of terminal with cantilever.Only, when the chip module group is located on the electric connector, if the power that compresses of chip module is bigger, when the cantilever of electric connector terminal contacts with the conductive spacer of chip module, the cantilever of electric connector terminal is easy to skid off the conductive spacer of chip module, influences the function that normally electrically conducts of electric connector.

Therefore, necessary a kind of improved electric connector and the terminal thereof of providing is to solve the defective that described electric connector and terminal thereof exist.

[utility model content]

The technical problems to be solved in the utility model provides a kind of good electric connector and terminal thereof that electrically connects between chip module and the circuit board of realizing.

For solveing the technical problem, the utility model provides a kind of electric connector and terminal thereof, can electrically connect chip module to circuit board, the electric connector terminal that it comprises insulating body and is contained in insulating body, insulating body comprises the resettlement section, this resettlement section is provided with terminal containing slot, electric connector terminal comprises the main part that is immobilizated in terminal containing slot, wherein said electric connector terminal also comprises by the main part top and bends the assisted parts that extend to be provided with downwards and by the terminal upwardly extending elastic arm of assisted parts, and this elastic arm comprises by the assisted parts end and opens first elastic arm of a angle and by the terminal bending of first elastic arm upwards and second elastic arm that extends towards assisted parts upwardly and outwardly.

Compared with prior art, the utility model electric connector terminal is provided with by the main part top and bends the assisted parts that extend to be provided with downwards and by the terminal upwardly extending elastic arm of assisted parts, and this elastic arm comprises by the assisted parts end and opens first elastic arm of a angle and by the terminal bending of first elastic arm upwards and second elastic arm that extends towards auxiliary arm upwardly and outwardly.This electric connector terminal has long elastic arm, makes electric connector terminal have preferable elasticity, makes electric connector terminal have non-deformability preferably thus.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model electric connector.

Fig. 2 is the three-dimensional exploded view of the utility model electric connector.

Fig. 3 is the stereogram of the utility model electric connector terminal.

Fig. 4 is the end view after the utility model electric connector terminal is assembled in insulating body, and insulating body does not draw among the figure.

Fig. 5 is the stereogram of the insulating body of the utility model electric connector.

Fig. 6 is the cutaway view of the utility model electric connector along Fig. 1 VI-VI line.

Fig. 7 is that the utility model electric connector terminal is assembled in the perspective view after schematic diagram before the insulating body and electric connector terminal are assembled in insulating body.

[embodiment]

See also Fig. 1 to shown in Figure 7, the utility model electric connector 1 can electrically connect chip module 3 to circuit board 4, the electric connector terminal 20 that it comprises insulating body 10 and is contained in insulating body 10.

Electric connector terminal 20 is formed by the sheet metal integrated punching, and it comprises vertically tabular main part 201, and the top of main part 201 is provided with two and is provided with at interval and parallel relative blocking arm 202.Main part 201 also is provided with between two blocking arms 202 and by main part 201 tops and bends the assisted parts 205 that extension is provided with downwards.This assisted parts 205 abuts in main part 201, and roughly extends downward and concordant position, main part 201 lower ends.The both side edges of main part 201 also protrude out be provided with some between the upper and lower every the fixing piece 204 that is provided with, in order to electric connector terminal 20 is fixed in the insulating body 10.The lower end bending of main part 201 is provided with along continuous straight runs and extends and the weld part 203 consistent with assisted parts 205 overbending directions.The lower end of weld part 203 can connect tin ball 5, in order to electric connector terminal 20 is welded on the pin 40 of circuit board 4.

The end of the assisted parts 205 of electric connector terminal 20 extends upward and is provided with elastic arm 206, and this elastic arm 206 comprises by assisted parts 205 ends and outwards opens first elastic arm 2061 of a angle and second elastic arm 2062 upwards terminal and that extend and protrude out towards blocking arm 202 towards assisted parts 205 by first elastic arm 2061.Angle a between described first elastic arm 2061 and the assisted parts 205 is an acute angle.See over from the side, described first elastic arm 2061 roughly forms " V " shape structure with assisted parts 205.This first elastic arm 2061 roughly is tapering type extending upward.The width of described second elastic arm 2062 is less than the width of first elastic arm 2061, and wide up and down setting.The end of described second elastic arm 2062 further extends upward the contact site 2063 that is provided with the tool arcuate structure.

Insulating body 10 comprises rectangular plate shape resettlement section 101, and resettlement section 101 has in order to the contact-making surface 102 of carries chips module 3 and the installed surface 103 relative with contact-making surface 102.Resettlement section 101 is provided with the contact-making surface 101 that runs through insulating body 10 and the terminal containing slot 104 of installed surface 103.Terminal containing slot 104 is provided with the first terminal hole 1041 and second terminal hole 1042 of mutual perforation.Length L 3 on 1041 longitudinallies of the first terminal hole is greater than the length L 1 on the second terminal hole longitudinally.The main part 201 of the first terminal hole 1041 in order to accommodate electric connector terminal 20.Be arranged with boss 1043 on the both sides inwall in the first terminal hole 1041, can cooperate, with electric connector terminal 20 stable being immobilizated in the terminal containing slot 104 with the fixing piece 204 of electric connector terminal 20.Second terminal hole 1042 in the width L2 of horizontal direction less than the maximum spacing L between electric connector terminal 20 first elastic arms 2061 and the assisted parts 205.

Please consult shown in Figure 7 by emphasis, when 20 groups of electric connector terminals are gone into the terminal containing slot 104 of insulating body 10, main part 201 is immobilizated in the first terminal hole 1041 of insulating body 10 by the fixing piece 204 of both sides, and the elastic arm 206 of electric connector terminal 20 supports on the inwall of second terminal hole 1042 in addition; When electric connector terminal 20 when group is gone into terminal containing slot 104 fully, this first elastic arm 2061 is compressed by second terminal hole, 1042 inwalls and moves forward certain distance.See also shown in Figure 4ly, electric connector terminal 20 is seen over from the side, and its first elastic arm 2061 is parallel to each other with assisted parts 205, roughly forms " U " shape structure.This moment, first elastic arm 2061 was roughly parallel to assisted parts 205.When chip module 3 is mounted on the electric connector 1, second elastic arm 2062 of electric connector terminal 20 is pushed by the chip module and is continued to protract, and this moment, the contact site 2063 of second elastic arm, 2062 ends can contact the electric connection that realizes between chip module 3 and the circuit board 4 with the conductive spacer 30 of chip module 3.

The utility model electric connector terminal 20 is provided with assisted parts 205 by the top bending downwards of main part 201, and further extend upward by the end of assisted parts 205 and to be provided with the elastic arm 206 that can support at insulating body 10 terminal containing slots 104 inwalls, make electric connector terminal 20 have long elastic arm 206 thus, have preferable elasticity.In addition, after electric connector terminal 20 is gone into terminal containing slot 104 by group, its elastic arm 206 can compress by terminal containing slot 104 inwalls and make second elastic arm, 2062 downwards, reduced the whole height after 20 groups of electric connector terminals are gone into, and reduced the overall dimensions of electric connector 1 thus; And because electric connector terminal is gone into terminal containing slot 104 backs by precompressed for 20 groups, make electric connector terminal 20 have the ability that preferable opposing is subjected to external force deformation thus, the conductive spacer 30 that can prevent from after electric connector terminal 20 from directly being compressed by chip module 3 excessive slippage to take place and skid off chip module 3 can be realized the stable electric connection between chip module 3 and the circuit board 4.

In the present embodiment, the main part 201 one extension of electric connector terminal 20 is provided with between two blocking arms 202 and by main part 201 tops and bends the assisted parts 205 that extends setting downwards, and these assisted parts 205 ends extend upward and are provided with the elastic arm 206 that can be held in terminal containing slot 104 inwalls; In fact, electric connector terminal 20 also can be two-piece type, be that the assisted parts 205 of electric connector terminal 20 and the main part 201 of electric connector terminal 20 are separate type, clamping part can be set at the end of assisted parts 205 to be retained on the main part 201 it to get final product, also can realize the effect of this electric connector terminal 20.

Should be understood that, the above only is a kind of execution mode of the present utility model, it or not whole or unique execution mode, the variation of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model specification is claim of the present utility model and contains.

Claims

1. An electrical connector terminal, capable of electrically connecting a chip module to a circuit board, comprising a main body and a welding portion bent and extended from the lower end of the main body, characterized in that: the electrical connector terminal also includes a main body The top end of the auxiliary part is bent and extended downwards, and the elastic arm is extended upwards from the end of the auxiliary part. the second elastic arm extending upward and toward the auxiliary part.

2 . The electrical connector terminal according to claim 1 , wherein the top end of the main body is further provided with two blocking arms arranged at intervals and parallel to each other. 3 .

3 . The electrical connector terminal according to claim 2 , wherein the auxiliary portion abuts against the main portion and extends downwards to be flush with the lower end of the main portion. 4 .

4. The electrical connector terminal as claimed in claim 2, wherein the second elastic arm protrudes toward the blocking arm.

5 . The electrical connector terminal as claimed in claim 2 , wherein a plurality of holding blocks are protruded from both side edges of the main body portion and arranged at intervals up and down. 6 .

6. An electrical connector, capable of electrically connecting a chip module to a circuit board, comprising an insulating body and an electrical connector terminal housed in the insulating body, the insulating body includes a housing portion, the housing portion has a contact surface and a mounting surface, the housing The terminal part is provided with a terminal receiving groove, and the electrical connector terminal includes a main body part fixed in the terminal receiving groove. An elastic arm whose end extends upwards, the elastic arm includes a first elastic arm which is outwardly opened at a certain angle from the end of the auxiliary part, and a second elastic arm which is bent and extends backward from the end of the first elastic arm.

7. The electrical connector according to claim 6, wherein the terminal accommodating groove includes a first terminal hole and a second terminal hole that pass through each other, and the main body of the electrical connector terminal can be accommodated in the first terminal The elastic arm can be accommodated in the second terminal hole and lean against the inner wall of the second terminal hole.

8. The electrical connector according to claim 7, characterized in that: holding blocks protrude from both side edges of the main body of the electrical connector terminal, and correspondingly set on the inner walls of both sides of the first terminal hole. The boss can hold the electrical connector terminal in the terminal accommodating groove.

9 . The electrical connector according to claim 7 , wherein the auxiliary portion of the electrical connector terminal abuts against the main body and extends downward to a position flush with the lower end of the main body. 10 .

10. The electrical connector according to claim 7, wherein the top of the main body of the electrical connector terminal is further provided with two spaced apart and parallel opposite blocking arms, and the second elastic arm protrudes toward the blocking arm .