CN101826670B

CN101826670B - Electrical connector

Info

Publication number: CN101826670B
Application number: CN200910300704XA
Authority: CN
Inventors: 宾涛
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: 2009-03-05
Filing date: 2009-03-05
Publication date: 2012-11-28
Anticipated expiration: 2029-03-05
Also published as: CN101826670A

Abstract

The invention relates to an electrical connector which comprises an insulating body and a plurality of conducting terminals, wherein the conducting terminals are arranged on the insulating body; the insulating body is provided with a front end surface; the front end surface is backwards concavely provided with a plurality of terminal grooves which are distributed in parallel; each conducting terminal is provided with a fixing and holding part, a butting part extending from one end of the fixing and holding part and a welding part extending from the other end; each terminal groove comprises a fixing and holding groove for accommodating the fixing and holding part and a matching groove for accommodating a matching part; the fixing and holding part comprises a panel part and reversed burs which are arranged at both sides of the panel part; the reversed burs and the fixing and holding groove are in interference fit; and the reversed burs are not in the same straight line with the matching force of the fixing and holding groove. The invention solves the problems of outward expansion of the insulating body and total width enlargement due to concentration of extrusion stress on a line, which are caused by that the traditional terminal reversed burs are uniformly distributed and installed into the insulating body, position deviation caused by uneven terminal stress due to stress concentration and poor true position of products and the problems of different shapes of adjacent terminals and difficult punching.

Description

Electric connector

[technical field]

The present invention relates to a kind of electric connector, relate in particular to the conducting terminal structure of this electric connector.

[background technology]

Existing I/O (I/O) electric connector that is used for cell-phone charging or data transmission interface; Usually these electric connectors comprise that one is provided with the insulating body of plurality of terminals groove and is contained in the plurality of conductive terminals in the said terminal groove; These conducting terminals are provided with the holding parts of some hangnails, and this holding parts is contained in the insulating body terminal is stable through these hangnails and terminal groove interference engagement.But, in the traditional design of this electric connector the hangnail that is provided with on the same conducting terminal holding parts being symmetrical set, this kind setting is in the time of in conducting terminal is all packed insulating body into; Each conducting terminal all concentrates on the line the extrusion stress that insulating body produced, thereby can cause insulating body outwards to be opened, and beam overall is squeezed big, and; Terminal stress is concentrated, and extruding force is excessive, also possibly cause the terminal unbalance stress; The occurrence positions skew causes product normotopia degree bad, for solving the problem that prior art produced; Usually can be set to shape inequality by the adjacent conductive terminal, thereby staggered with the extrusion stress of disperseing terminal that insulating body is produced, still in the position of hangnail; This kind design, because the terminals of adjacent shape is different, punching press processing procedure difficulty.Therefore, need a kind of new technical scheme to solve aforesaid problem, make bonder terminal to cooperate preferably, and the processing procedure of terminal is simple with insulating body.

[summary of the invention]

Technical problem to be solved by this invention is: provide a kind of conducting terminal can better cooperate with insulating body, and the simple electric connector of the processing procedure of terminal.

Technical problem to be solved by this invention passes to down technical scheme and realizes: a kind of electric connector; The plurality of conductive terminals that it comprises insulating body and is arranged at insulating body; Insulating body is provided with front end face, and this front end face is concaved with the plurality of terminals groove of arrangement arranged side by side backward, the weld part that the auxiliary section that conducting terminal is provided with holding parts, extended by holding parts one end and the other end extend; Terminal groove comprises holding slot of accommodating holding parts and the mating groove of accommodating the auxiliary section; Said holding parts comprises a flat part and is arranged at the hangnail of flat part both sides, these hangnails and holding slot interference engagement, these hangnails with the coordinate force of holding slot on not point-blank.

Compared to prior art, the conducting terminal of electric connector of the present invention has solved traditional terminal hangnail and has arranged consistent at the asymmetric set-up mode that hangnail is set of its holding parts; Be housed to the extrusion stress that is produced behind the insulating body and all concentrate on a line, cause insulating body outwards to be opened, beam overall is squeezed big; And the concentrated terminal unbalance stress occurrence positions that causes of stress squints; Cause the bad problem of product normotopia degree, it is different to have solved the terminals of adjacent shape again, the problem that punching out is difficult.

[description of drawings]

Fig. 1 is the stereogram of electric connector according to the invention.

Fig. 2 is the exploded view of electric connector shown in Figure 1.

Fig. 3 is the stereogram at another visual angle of electric connector shown in Figure 2.

Fig. 4 is the conducting terminal view of electric connector shown in Figure 3.

[embodiment]

To announcement shown in Figure 4 electric connector 100 according to the invention, this electric connector is a kind of I/O (I/O) connector, is used to be installed on a circuit board (not shown) like Fig. 1.This electric connector 100 comprises insulating body 1, is contained in a plurality of conductive terminals 3 and a locked instrument 5 in the insulating body 1.

Insulating body 1 is provided with main part 11, be arranged at the wall extension 13 at main part 11 two ends and by wall extension 13 outward extending convexes 131.Said main part 11 is provided with front end face 15, the opposite rear end faces 17 that are provided with front end face 15, is connected the upper surface 41 and the lower surface 43 of front end face 15 and rear end face 17, and said wall extension 13 is from front end face 15 formation that extends back.

Main part 11 is concaved with some terminal grooves 19 of accommodating conducting terminal 3 backward from front end face 15; Wall extension 13 is concaved with a through hole 21 backward from front end face 15; This through hole 21 cooperates in order to the insertion of guiding butt connector (not shown); Convex 131 vertical upper faces 41 are provided with a lockhole 133, and this lockhole 133 cooperates with said locked instrument 5 electric connector 100 is fixed on the external circuit board (not shown).Terminal groove 19 comprises first holding slot 23 that is provided with near bottom surface 43, second holding slot 25 that is provided with near end face 41 and the mating groove 27 that connects first, second holding slot 23,25, said first holding slot 23, mating groove 27 and second holding slot, 25 formation, one U-shaped accepting groove.

Conducting terminal 3 be provided with first holding parts 31, by an end of first holding parts 31 vertically bend the auxiliary section 33 of extension, second holding parts 35 that extends by the terminal further vertical bending of auxiliary section 33 and bending the weld part 37 that extends by the other end of first holding parts 31.Said first holding parts 31 comprises a flat part 311 and is arranged at some hangnails 313 of flat part 311 both sides that these hangnails 313 are asymmetric setting.Wherein, first holding parts 31, auxiliary section 33 and second holding parts 35 form a U-shaped.First holding parts 31 is contained in first holding slot 23, and auxiliary section 33 is contained in the mating groove 27, and second holding parts 35 is contained in second holding slot 25, and weld part 37 extends rear end face 17 unsettled settings to be soldered on the external circuit board (not shown).The inwall interference engagement of the hangnail 313 of said first holding parts 31 and first holding slot 23 is immobilizated in terminal in the terminal groove 19.

Thereby the U-shaped structure that first holding parts 31 of conducting terminal 3, auxiliary section 33 and second holding parts 35 form first holding slot 23, mating groove 27 and second holding slot 25 form a U-shaped accepting groove and cooperate conducting terminal 3 further stablizing are immobilizated in the insulating body 1.In addition; Be provided with connecting portion 39 between first holding parts 31 of conducting terminal 3 and the weld part 37; The surface of this connecting portion 39, part first holding parts 31 and part weld part 37 is provided with a ribs 40 continuously; This ribs 40 reduces terminal flimsy degree in assembling process in order to strengthen the intensity of terminal.

When each conducting terminal 3 correspondence is contained in each terminal groove 19; Conducting terminal 3 first holding parts 31 hangnail 313 be scattered in several rows; The hangnail 313 that is adjacent conductive terminal 3 is dislocatedly distributed; Not on same straight line, promptly on the coordinate force between the hangnail 313 and first holding slot 23 not point-blank.The asymmetric set-up mode of hangnail 313 on these conducting terminals 3; Can the stress that produced between hangnail 313 and the insulating body 1 be disperseed; Solved extrusion stress with the big problem of insulating body 1 support; Simultaneously also solved the risk that extrusion stress causes terminal offset in insulating body, and punching out is easy.

Claims

1. electric connector; The plurality of conductive terminals that it comprises insulating body and is arranged at insulating body; Insulating body is provided with front end face; The plurality of terminals groove conducting terminal that this front end face is concaved with arrangement arranged side by side backward be provided with first holding parts, by an end of first holding parts vertically bend the auxiliary section of extension, second holding parts that extends by the terminal further vertical bending of auxiliary section and the weld part that extends by the other end bending of first holding parts; Said first holding parts and second holding parts are positioned at the same side of auxiliary section; Terminal groove comprises first holding slot of accommodating first holding parts, accommodates second holding slot of second holding parts and connect the mating groove that first, second holding slot is used to accommodate the auxiliary section, and it is characterized in that: said first holding parts comprises a flat part and be arranged at the hangnail of flat part both sides that wherein flat part one side is provided with two hangnails; Opposite side is provided with in a hangnail, said hangnail and the holding slot interference engagement between said two hangnails on the flat part length direction.

2. electric connector as claimed in claim 1 is characterized in that: the common U-shaped that forms of the auxiliary section of said conducting terminal, second holding parts and first holding parts, thus be immobilizated in the insulating body conducting terminal is stable.

3. electric connector as claimed in claim 1 is characterized in that: be provided with connecting portion between said first holding parts and the weld part, part first holding parts, connecting portion and part weld part are provided with ribs, and this ribs is in order to strengthen the intensity of terminal.

4. electric connector as claimed in claim 1 is characterized in that: said insulating body is provided with a main part, and the two ends of said main part are provided with wall extension, and this wall extension offers through hole backward, and said through hole cooperates in order to the insertion of guiding butt connector.

5. electric connector as claimed in claim 4; It is characterized in that: said electric connector also comprises a locked instrument; Said insulating body is stretched out by its sidewall and is provided with a convex, and this convex is provided with a lockhole, and said locked instrument cooperates with lockhole this electric connector is fixed in an external device (ED).