CN2587076Y

CN2587076Y - Electric coupler

Info

Publication number: CN2587076Y
Application number: CN02280355U
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: 2002-11-18
Filing date: 2002-11-18
Publication date: 2003-11-19
Anticipated expiration: 2012-11-18

Abstract

The utility model discloses an electric connector of plane grid array encapsulation, which comprises an insulation body and a plurality of conductive terminals arranged in the insulation body, wherein, the insulation body is provided with a first surface and a second surface which are opposite; a plurality of terminal containing chambers penetrating through the insulation body are arranged between the first surface and the second surface; two conductive terminals correspondingly arranged are contained in each terminal containing chamber. Each conductive terminal is provided with a holding part held in the insulation body, a welding part which is extended from one end of the holding part and is exposed out of the second surface, a bending part extended from the other end of the holding part towards the direction away from the welding part, and an elastic arm extended from the bending part; in order to utilize the electric contact effect, the elastic arm is bulged with a contact sheet. With the arrangement of the bending part and the elastic arm, the elastic force arm of each conductive terminal can be increased, and because two conductive terminals are contained in the same terminal containing chamber, the interval of the conductive terminals can be reduced, and thereby, the density of the arrangement of the terminals is enhanced.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector that electrically contacts the butt joint electric component in the mode of pushing.

[background technology]

The packing forms of electric component is in continuous variation, and the also constantly development of structure of carrying the electric connector of these electric components.For reduce the encapsulation volume between electric component and electric connector and reduce electric component and electric connector between the electric signal transmission path, the electrical contact zone of sheet generally is set on electric component, press on the face way of contact on the electric connector of counter structure,, the electric signal transmission path reduces to transmit resistance so that reducing, can effectively prevent the signal disorder that high-speed transmission environment causes, its correlation technique document please refer to " Nonlinear Analysis Helps Design LGA Connectors " (Connector SpecifierMagazine, February 2001).Along with the calculator technology develops to miniaturization, electric connector also develops to more and more littler direction thereupon, because reducing of size, particularly terminal takes up room more and more littler, but guarantee the Elastic Contact performance that the terminal tool is preferable again, well to electrically connect with corresponding electronic element packaging body (as CPU), relevant patent documentation please refer to United States Patent (USP) the 6th, 027, No. 345, the 6th, 146, No. 151, the 6th, 146, No. 152, the 6th, 164, No. 978 and the 6th, 293, No. 806.In the face of the problems referred to above, arrangement mode between a kind of insulating base of transforming terminal and socket connector appears, a kind of electric connector for socket that is disclosed for No. 444960 as the Taiwan patent announcement, see also Fig. 5 and Fig. 6, the array setting is the terminal cavity volume 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 cavity volume 80 is 45 degree with the sidewall 82 of pedestal 8 respectively and is provided with, can increase like this terminal in terminal cavity volume 80 than large space, with the elastic contact part that provides the terminal tool to grow, thereby obtain desirable electric property.But, because the restriction of existing terminal manufacturing technology, cause the terminal can't be simultaneously in a row or in the terminal cavity volume 80 that accurately is assembled in pedestal 8 of embarking on journey.In addition, be provided with, thereby the die of mould also should be 45 degree and be provided with, thereby increased the die manufacture difficulty because terminal cavity volume 80 is 45 degree with pedestal 8 sidewalls 82.

[utility model content]

The purpose of this utility model is to provide a kind of to be increased the conducting terminal elasticity arm of force and can improve the arrange electric connector of density of conducting terminal.

The purpose of this utility model is achieved in that the utility model electric connector is the land grid array package electric connector, it comprises insulating body and is arranged at the interior a plurality of conducting terminals of this insulating body, wherein insulating body is provided with opposite first and second surface, between first surface and second surface, run through insulating body and be provided with a plurality of terminal cavity volumes, and all hold two conducting terminals that are oppositely arranged in each terminal cavity volume.Each conducting terminal be provided with the holding parts that is immobilizated in the insulating body, by holding parts one end extend and expose the weld part of second surface, by the holding parts other end to kink that extends away from the weld part direction and the elastic arm that extends by kink.

Compared with prior art, the utlity model has following advantage: utilize conducting terminal kink and elastic arm setting can increase the elasticity arm of force of conducting terminal, and because of being equipped with two conducting terminals in the same terminal cavity volume, improve the terminal density of arranging thereby can reduce the conducting terminal spacing.

[description of drawings] Fig. 1 is the utility model electric connector three-dimensional exploded view.Fig. 2 is the utility model connector terminals schematic perspective view.Fig. 3 is the schematic perspective view of the insulating body of the utility model electric connector.Fig. 4 is another angle schematic diagram of Fig. 3.Fig. 5 is the stereogram of the existing base of electric connector relevant with the utility model.Fig. 6 is the enlarged drawing of the terminal cavity volume of Fig. 5.

[embodiment]

Please refer to Fig. 1 and Fig. 3, the utility model electric connector 1 is used for the electric component (not shown) of pushing mode winding butt joint to circuit board (not shown), it comprises insulating body 10 and is placed in wherein a plurality of conducting terminals 12, wherein this insulating body 10 is provided with opposite first 101 and second surface 102, and between this first surface 101 and second surface 102, run through insulating body 10 and be provided with a plurality of terminal cavity volumes 103, in each terminal cavity volume 103, be equipped with two identical conducting terminals 12.

Please refer to Fig. 2 and Fig. 3, conducting terminal 12 is a Curved Continuous tabs, comprise in order to the base portion 121 of fixing conducting terminal 12 in terminal cavity volume 103, bend the weld part 122 that extends and be fixedly welded on circuit board (not shown) downwards by base portion 121 1 lateral margins, extend upward bending and be in the kink 123 of base portion 121 the same sides by base portion 121 another lateral margins with weld part 122, extend and form the elastic arm 124 of " V " shape by kink 123 with kink 123, and by the correcting portion 125 of these elastic arm 124 ends to close weld part 122 directions extension, wherein for the benefit of this conducting terminal 12 is immobilizated in the insulating body 10, by the holding parts 126 that base portion 121 both sides of conducting terminal 12 stretch out and are provided with a plurality of protuberances 1211 and extended downwards by base portion 121, this protuberance 1211 and holding parts 126 are to become flexible in order to prevent that conducting terminal 12 from rotate to reach in terminal cavity volume 103 in.In addition, on elastic arm 124 near the position male of correcting portion 125 be provided with contact chip 1241 in order to dock electric component (not shown) electric connection, the projected area of this contact chip 1241 on plane, weld part 122 place falls within the inside, weld part 122 surface less than the area of weld part 122 and this projection, and a side of weld part 122 deflection base portions 121 and away from holding parts 126.

The terminal cavity volume 103 of insulating body 10 is the diagonal angle symmetrical structure, these terminal cavity volume 103 relative diagonal angles, both sides are arranged with two first stepped chamber walls 1031, two second chamber walls 1032 and two the 3rd chamber walls 1033, and the first chamber wall 1031 constitutes first cavity volume 1034 with the 3rd chamber wall 1033 on its opposite, the second chamber wall 1032 constitutes the 3rd cavity volume 1036 with the second chamber wall, 1032 formation second cavity volumes 1035 on its opposite and the first chamber wall 1031 on the 3rd chamber wall 1033 and its opposite, wherein be provided with step 1038 between second cavity volume 1035 and the 3rd cavity volume 1036, and first cavity volume 1034 and the 3rd cavity volume 1036 are provided with the guide channel 1037 that runs through insulating body 10.

Please in the lump with reference to Fig. 2 to Fig. 4, in conducting terminal 12 is packed the terminal cavity volume 103 of insulating body 10 into from the second surface 102 of insulating body 10, its base portion 121 is immobilizated in the 3rd cavity volume 1036, the holding parts 126 of conducting terminal 12 is immobilizated in the guide channel 1037, and elastic arm 124 parts are exposed the first surface 101 of insulating body 10.For the benefit of locate, the protuberance 1211 of conducting terminal 12 is connected to the step 1038 of terminal cavity volume 103, the projection of contact chip 1241 falls within second cavity volume 1035, utilizes this setup, and the elastic arm 124 of length guarantees preferable Elastic Contact ability thereby each conducting terminal 12 all can be had.And, the weld part 122 that is placed in two conducting terminals 12 in the same terminal cavity volume 103 all is in second cavity volume 1035, and the line of the contact chip 1241 of two conducting terminals 12 is parallel to the line of two weld parts 122 and is in same perpendicular, so, two conducting terminals, 12 spacings in the same terminal cavity volume 103 are less, under the identical situation of insulating body 10 surface areas, can improve the density of arranging of conducting terminal 12.

Claims

1. electric connector, comprise insulating body and be immobilizated in a plurality of conducting terminals in the terminal cavity volume of above-mentioned insulating body, wherein insulating body is provided with first surface and second surface, and between first surface and second surface, run through this insulating body and be provided with a plurality of terminal cavity volumes, it is characterized in that: be provided with two conducting terminals in each terminal cavity volume relatively.

2. electric connector as claimed in claim 1 is characterized in that: two identical conducting terminals are set in the same terminal cavity volume.

3. electric connector as claimed in claim 2 is characterized in that: the terminal cavity volume is that the diagonal angle is symmetrical arranged, and its relative both sides correspondence is provided with the first chamber wall, the second chamber wall and the 3rd chamber wall.

4. electric connector as claimed in claim 3 is characterized in that: the first chamber wall, the second chamber wall and the 3rd chamber wall are divided into first cavity volume, second cavity volume and the 3rd cavity volume with the terminal cavity volume.

5. electric connector as claimed in claim 4 is characterized in that: be provided with step between second cavity volume and the 3rd cavity volume.

6. electric connector as claimed in claim 5 is characterized in that: first cavity volume and the 3rd cavity volume are respectively equipped with the guide channel that runs through insulating body in addition.

7. electric connector as claimed in claim 1 is characterized in that: the weld part that conducting terminal is provided with the base portion that is immobilizated in the terminal cavity volume, extended downwards by base portion, by base portion to kink that extends away from the weld part direction and the elastic arm that further extends by kink.

8. electric connector as claimed in claim 7 is characterized in that: this elastic arm and kink form " V " word shape, and extend the correcting portion that is provided with by the elastic arm end to close weld part direction.

9. electric connector as claimed in claim 8 is characterized in that: convex with contact chip near correcting portion position on elastic arm, the projected area of this contact chip on plane, weld part place is less than the weld part area, and this projection falls within the weld part area.

10. electric connector as claimed in claim 9 is characterized in that: the line of the contact chip of two conducting terminals is parallel to the line of two weld parts and is in same perpendicular.