CN1254887C

CN1254887C - Electric connector terminal

Info

Publication number: CN1254887C
Application number: CN 02143643
Authority: CN
Inventors: 黄建荣; 司明伦
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: 2002-09-24
Filing date: 2002-09-24
Publication date: 2006-05-03
Anticipated expiration: 2022-09-24
Also published as: CN1485953A

Abstract

The present invention relates to an electric connector terminal used for the electrical connection of a circuit board and an electronic subassembly packaging body. The present invention comprises a fixed holding part, a suspension arm and a connection part, wherein the suspension arm extends out of two opposite ends of the fixed holding part and comprises a base part and an extending part which outwards bends and extends from one side edge of the free end of the base part in an inclined way, a flat surface provided with the extending part and a flat surface provided with the fixed holding part are arranged in an obtuse angle, and elastic deformation can be generated together when the base part and the extending part are electrically contacted with each other so as to provide the better elastic contact performance of the electric connector terminal. Besides, the base part, the fixed holding part and the connection part of the electric connector terminal arranged on a terminal material belt are symmetric to a same central axis line, the extending part is arranged on one side edge of the base part in a certain angle with a vertical direction of the terminal material belt in an extending way so as to increase the number of the electric connector terminal of the terminal material belt in a unit length, and therefore, the manufacture cost of the electric connector terminal is lowered.

Description

Electric connector terminal

[technical field]

The invention relates to a kind of electric connector terminal, refer to a kind of electric connector terminal that is used to electrically connect circuit board and electronic building brick packaging body especially.

[background technology]

Along with the direction of computer technology to miniaturization develops, electric connector also develops to more and more littler direction thereupon, and it generally includes insulating body and terminal.Because reducing of size, particularly the terminal occupation space is more and more littler, but guarantee the Elastic Contact performance that the terminal tool is preferable again, to carry out the difficult problem that excellent electrical property is connected to become the terminal manufacturing technology with corresponding electronic building brick packaging body (as CPU).In the face of the problems referred to above, a kind of prior art is the arrangement mode of transforming between the insulating base of terminal and socket connector, a kind of electric connector for socket that is disclosed for No. 444960 as the TaiWan, China patent announcement, see also Fig. 6 and Fig. 7, the array setting is the terminal containing slot 80 that clathrate distributes on the pedestal 8 of this electric connector for socket, to accommodate corresponding terminal (not shown) in wherein, and every row's terminal containing slot 80 is the miter angle setting with the sidewall 82 of pedestal 8 respectively, by this scheme, can increase terminal in terminal containing slot 80 than large space, with the elastic contact part that provides the terminal tool to grow, thereby obtain desirable electric property.Yet, because the restriction of existing terminal manufacturing technology, cause the terminal can't be simultaneously in a row or in the terminal containing slot 80 that accurately is assembled in pedestal 8 of embarking on journey.In addition, because the sidewall 82 of terminal containing slot 80 and pedestal 8 is the miter angle setting, thereby the core of mould also should be 45 degree and is provided with, thereby increased the manufacturing complexity of core.

See also Fig. 8 and Fig. 9, be depicted as existing terminal 60 and a kind of terminal material belt 70 of making this terminal 60 that another kind is used for socket connector.Terminal material belt 70 is to be stamped to form on a slice metal material, the connecting portion 65 of plurality of terminals 60 that it comprises base band 66, be arranged side by side and splicing ear 60 and base band 66.Wherein each connecting portion 65 links to each other with two terminals of adjacent 60, and corresponding each connecting portion 65 is provided with a location hole 67 on base band 66.Terminal 60 comprises a base portion 61, reaches the weld part 64 and elastic portion 63 that extend in base portion 61 relative both side edges.Wherein base portion 61 is provided with protruding thorn 611 in the relative both side edges of not establishing weld part 64 and elastic portion 63, in order to terminal 60 is positioned in the pedestal of socket connector.Elastic portion 63 is extended sufficient length in base portion 61 1 lateral margins bendings, to provide terminal 60 preferable Elastic Contact performance.Yet, because elastic portion 63 bending lengths of these terminals 60 are longer, and are provided with to flat shape with terminal material belt 70 lengthwises, make that the spacing of adjacent both ends 60 on terminal material belt 70 is bigger, cause the manufacturing cost of terminal 60 to be difficult to reduce.

[summary of the invention]

The object of the present invention is to provide a kind of electric connector terminal, it can provide preferable machinery and electric property.Another object of the present invention is to provide a kind of terminal material belt of electric connector terminal, it can reduce the manufacturing cost of electric connector terminal.

The object of the present invention is achieved like this: this electric connector terminal comprises the holding parts that is immobilizated in the connector terminals accepting groove, reaches the connecting portion that extends cantilever and electrically connect mutually with circuit board in this holding parts opposite end.Wherein this cantilever comprises a base portion and bends extended extension obliquely from a lateral margin of this base portion free terminal, and this plane, extension place is to be provided with in obtuse angle with plane, holding parts place, and the free terminal of extension is provided with hook-shaped contact site.

In addition, electric connector terminal is on terminal material belt the time, be to link to each other with the material of escaping of terminal material belt by the edge of its holding parts near connecting portion one end, wherein the base portion of cantilever, holding parts and connecting portion are symmetrical on the same central axis, and the extension of cantilever be in base portion one lateral margin of electric connector terminal and with the angled extension setting of terminal material belt longitudinally.

Compared with prior art, the present invention has the following advantages: when the base portion of cantilever and extension electrically connect mutually with the electronic building brick packaging body, base portion and extension will produce strain jointly, and when providing preferable Elastic Contact performance of electric connector terminal and electric connector terminal on terminal material belt, extension is that lengthwise with terminal material belt is to angled setting, thereby increase the number of terminal material belt, therefore save the terminal material belt material, thereby reduced manufacturing cost at the unit length upper terminal.

[description of drawings]

Fig. 1 is the stereogram of electric connector terminal of the present invention.

Fig. 2 is the schematic diagram of electric connector terminal on terminal material belt of Fig. 1.

Fig. 3 is the vertical view of the terminal containing slot of the electric connector terminal of the present invention insulating body that is assembled in electric connector.

Fig. 4 is that electric connector terminal electrically contacts preceding cutaway view with the electronic building brick packaging body.

Fig. 5 is the electric connector terminal and cutaway view after the electronic building brick packaging body electrically contacts among Fig. 4.

Fig. 6 is a kind of stereogram of pedestal of existing electric connector for socket.

Fig. 7 is the enlarged drawing of the terminal containing slot of the electric connector for socket among Fig. 6.

Fig. 8 is the stereogram of another kind of existing terminal.

Fig. 9 is the schematic diagram of terminal on terminal material belt among Fig. 8.

[embodiment]

See also Fig. 1 and shown in Figure 4, electric connector terminal 1 of the present invention is to be used to electrically connect electronic building brick packaging body 3 and circuit board 5, and it comprises holding parts 10, cantilever 12 and connecting portion 14.Wherein connecting portion 14 end that is perpendicular to holding parts 10 extends, and is electrically connected to the guide card 50 of circuit board 5 by tin ball 4.The relative two sides of holding parts 10 are provided with hangnail 100, in the terminal containing slot 20 with the insulating body 2 that electric connector terminal 1 fixing is positioned electric connector.Cantilever 12 is located at the other end of holding parts 10, and it comprises the base portion 121 that links to each other and extend straight up with holding parts 10, and in the extension 120 of base portion 121 extending end lateral margins one bending obliquely extension.Wherein base portion 121 is roughly to be a square plate shape, and the big surface on its bearing of trend and the big surface co-planar of holding parts 10; Plane, extension 120 place becomes an obtuse angle a that (Fig. 3 reference) is set with plane, holding parts 10 place, so that this extension 120 obtains the preferable arm of force in terminal containing slot 20, thereby improve its Elastic Contact performance, and be extended with a hook-shaped contact site 122 in extension 120 free terminals bendings, electrically contact with the pad 30 of electronic building brick packaging body 3 being used for.The base portion 121 of cantilever 12 is provided with fin 124 in addition near holding parts 10 1 ends, with the intensity of the cantilever 12 that increases electric connector terminal 1.

Please in conjunction with consulting Fig. 2, be depicted as the schematic diagram of electric connector terminal 1 on terminal material belt 101, what terminal material belt 101 was provided with tool termination section 105 escapes to expect 103, and this termination section 105 links to each other with the edge of holding parts 10 near connecting portion 14 1 ends.The base portion 121 of cantilever 12 wherein, holding parts 10 and connecting portion 14 are symmetrical on the same central axis c, and the extension 120 of cantilever 12 is to extend in base portion 121 1 lateral margins of electric connector terminal 1 and with the angled b of terminal material belt 101 longitudinallies to be provided with, and this extension 120 is that the extending end edge of close base portion 121 extends, thereby make under the certain situation of adjacent electric connector terminal 1 spacing, can increase the length of extension 120, thereby improve its Elastic Contact performance, contact site 122 because of extension 120 is directly to be stamped to form on terminal material belt simultaneously, and need not to bend again, and because of extension 120 and terminal material belt 101 lengthwises to angled extension, make adjacent two electric connector terminals, 1 spacing reduce, thereby increase the number of electric connector terminal 1 on unit terminal material belt 101 length, thereby reduce the manufacturing cost of electric connector terminal 1.

See also Fig. 3, the terminal containing slot 20 of the insulating body 2 of electric connector is parallel with these insulating body 2 sides, thereby make things convenient for manufacturing and designing of mold cores, and electric connector terminal 1 can go together and be assembled in simultaneously in the connector terminals accepting groove 20, therefore improve packaging efficiency.

See also Fig. 4 and Fig. 5, in the time of before electric connector terminal 1 contacts with electronic building brick packaging body 3, the big surface of the base portion 121 of cantilever 12 is positioned at same plane with the big surface of holding parts 10, and extension 120 extends to outside the terminal containing slot 20 of insulating body 2, when being subjected to external force, electronic building brick packaging body 3 drives, and the contact site 122 of extruding electric connector terminal 1, thereby when realizing electric connection therebetween, to cause extension 120 to be bent downwardly and produce strain, strain takes place and roughly is an arc in the base portion 121 that the active force that this strain produces also will order about cantilever 12, thereby the big surface that makes the big surface of base portion 121 on bearing of trend and holding parts 10 is coplane not, and base portion 121 and the extension 120 common strains that produce by this cantilever 12, make electric connector terminal 1 reach the effect of two arm of forces, thereby improve its Elastic Contact performance, guarantee 30 preferable electrical contacts of pad of contact site 122 and electronic building brick packaging body 3.In addition, the setting by fin 124 on the base portion 121 can increase the intensity of cantilever 12, thereby makes the preferable elasticity of cantilever 12 tools of electric connector terminal 1, and the while is the certain intensity of tool also, thereby guarantees the contact force of the pad 30 of contact site 122 and electronic building brick packaging body 3.

Claims

1. electric connector terminal, it comprise the insulating body that is immobilizated in electric connector holding parts, be located at the cantilever of holding parts one end and the connecting portion of being located at the holding parts other end, it is characterized in that: cantilever comprises the base portion that extends from holding parts one end one, reach the extension that bends extension from this base portion away from the lateral margin of holding parts one end obliquely, and plane, extension place and plane, holding parts place are provided with in obtuse angle, and the free terminal bending of extension is extended with contact site.

2. electric connector terminal as claimed in claim 1, it is characterized in that: electric connector terminal is with before circuit board and electronic building brick packaging body are electrically conducted mutually, the big surface of holding parts on bearing of trend and the big surface co-planar of the base portion of cantilever, when this electric connector terminal with after circuit board and electronic building brick packaging body are electrically conducted mutually, the big surface of the big surface of holding parts on bearing of trend and the base portion of cantilever is coplane not.

3. electric connector terminal as claimed in claim 1 is characterized in that: the relative both sides of holding parts are provided with hangnail.

4. terminal material belt of making the described electric connector terminal of claim 1, it comprises escapes to expect and be connected in some electric connector terminals that this escapes to expect, wherein this electric connector terminal comprises connecting portion and the cantilever that is connected in the holding parts on escaping to expect and is located at these holding parts two ends, it is characterized in that: cantilever is included in the base portion that holding parts one end extends, reach the extension that extends in the base portion lateral margin, holding parts wherein, the base portion of connecting portion and cantilever is along same central axial direction setting, and the longitudinally of the extension of this cantilever and terminal material belt is non-parallel setting.

5. terminal material belt as claimed in claim 4 is characterized in that: the free terminal bending of extension is provided with contact site.

6. terminal material belt as claimed in claim 4 is characterized in that: electric connector terminal be by holding parts near the edge of connecting portion one end with escape material and link to each other.

7. terminal material belt as claimed in claim 4, it is characterized in that: base portion is provided with fin.