CN1301574C

CN1301574C - Electric connector

Info

Publication number: CN1301574C
Application number: CNB021600716A
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: 2002-12-25
Filing date: 2002-12-25
Publication date: 2007-02-21
Anticipated expiration: 2022-12-25
Also published as: CN1510793A

Abstract

The present invention discloses an electric connector used for electrically connecting a circuit board and a chip module, which mainly comprises a longwise insulation body, a plurality of conductive terminals contained in the insulation body, a reinforcing device combined on the insulation body and a press board and a holding device which are pivoted with the insulation body, wherein the reinforcing device is a metal longwise hollow frame structure, two opposite side walls in the longwise direction of the reinforcing device are respectively provided with a plurality of clamping hooks in a bending mode; two opposite side walls in the transverse direction are respectively bent into folding sheets towards the direction combining with the insulation body; the positions corresponding to the clamping hooks and the folding sheets on the insulating body are respectively provided with clamping slots and opening holes; when the chip module is assembled with the electric connector, the reinforcing device can be respectively buckled with the insulating body and the opening holes via the clamping hooks and the folding sheets. Because the insulation body is assembled with the reinforcing device, the intensity of the reinforcing device is increased, the insulation body is protected from deformation by bearing over pressure, and thereby, the reliable electrical connection between the chip module and the electric connector can be ensured.

Description

Electric connector

[technical field]

The invention relates to a kind of seal electric connector, especially refer to a kind of can be in order to electrically connect the electric connector of circuit board and chip module.

[background technology]

Electric connector of planar grid array is widely used in electronic applications, in order to chip module is electrically connected to circuit board.As promptly having disclosed this kind technology in " Nonlinear Analysis Helps Design LGA Connectors " (ConnectorSpecifier, Februray 2001).This electric connector generally comprises insulating body, is contained in the interior plurality of conductive terminals of this insulating body, reaches the holding unit and the pressing plate that are articulated in respectively on insulating body two opposite ends, United States Patent (USP) the 4th, 504,105,4,621,884,4,692,790,5,302,853 and 5,344, also disclosed this structure No. 334.Yet, there is the disappearance part in the structure of these prior aries, as shown in Figure 1, a kind of existing electric connector 6, the holding unit 62 and the pressing plate 64 that comprise insulating body 63, be contained in plurality of conductive terminals (not shown) in the insulating body 63, be connected with group with this insulating body 63, its center platen 64 assembly are in an end of insulating body 63, holding unit 62 then assembly in the other end of insulating body 63.When this electric connector 6 is connected with group with chip module 8, pressing plate 64 rotations are made it to erect, chip module 8 is positioned on the insulating body 63, rotary pressure plate 64 then, pressing plate 64 is against on the chip module 8, rotate holding unit 62 this moment, makes pressing plate 64 close to insulating body 63 gradually under the drive of holding unit 62, thereby make pressing plate 64 extruding chip modules 8 and be fixed.When chip module 8 places on the insulating body 63 of electric connector 6 and the conducting terminal that rotates pin (not shown) that pressing plate 64 makes chip module and electric connector 6 when electrically contacting, pressing plate 64 is with the not installing pressing plate 64 of extruding insulation body 63 and two opposite ends of holding unit 62, produce bigger squeezing action power therebetween, and that other position of insulating body 63 is subjected to pressing plate 64 squeezing action power is less, therefore insulating body 63 will be subjected to uneven power effect, thereby insulating body 63 will be occured bending and deformation, cause to form well between conducting terminal and chip module pin and electrically contact, and then influence the reliable electric connection of 8 of electric connector 6 and chip modules.

[summary of the invention]

The object of the present invention is to provide a kind of electric connector, it can prevent body distortion and have the electric connector of preferable structural strength and rigidity.

The object of the present invention is achieved like this: this electric connector comprises a lengthwise shape insulating body, be contained in the plurality of conductive terminals in the insulating body, be combined in the stiffening device on the insulating body, be articulated in the pressing plate and the holding unit at insulating body two ends, and stiffening device is contained between pressing plate and the insulating body, wherein this stiffening device is a metal lengthwise hollow frame structure, the lengthwise of this stiffening device bends respectively on two opposite side walls and is provided with some trips, its horizontal two opposite side walls is respectively to being bent into tabs respectively with the combined direction of insulating body, on insulating body to should trip and the tabs position be respectively equipped with draw-in groove and perforate, when chip module and electric connector were combined, this stiffening device can fasten with the draw-in groove and the perforate of insulating body respectively by trip and tabs.

Compared with prior art, the present invention has the following advantages: increase its intensity because of winding on the insulating body has stiffening device, when pressing plate is pressed to insulating body, pressing plate will be pressed insulating body by pressing stiffening device, can prevent that insulating body is out of shape because of being subjected to excessive pressure, thereby can guarantee to electrically connect reliably between chip module and electric connector.

[description of drawings]

Fig. 1 is a kind of three-dimensional combination figure of existing electric connector.

Fig. 2 is the three-dimensional exploded view of electric connector of the present invention.

Fig. 3 is the three-dimensional combination figure of electric connector of the present invention.

[embodiment]

See also Fig. 2 and shown in Figure 3, electric connector 1 of the present invention mainly includes: lengthwise shape insulating body 10, be contained in pressing plate 12 and holding unit 13 that plurality of conductive terminals 14, group in the insulating body 10 is buckled in the stiffening device 11 on the insulating body 10 and is articulated in 10 liang of opposite ends of insulating body, and stiffening device 11 devices are between insulating body 10 and pressing plate 12.

Insulating body 10 be provided with the conduction region 100 that is positioned at central position and with the head 101 and the afterbody 102 of this conduction region adjacent setting in 100 two ends, wherein this conduction region 100 is provided with plurality of terminals accepting groove 1000 with ccontaining conducting terminal 14, the central position of head 101 is provided with dovetail groove 1010, to being extended with two boss 1011 away from conduction region 100 directions, afterbody 102 is provided with away from two first perforates 1020 of conduction region 100 and near two second perforates 1021 of conduction region 100 in the top of these head 101 1 ends.This insulating body 10 is provided with two longitudinal side walls 103, in this wherein a sidewall 103 be provided with projection 1032 near afterbody 102 1 ends, 103 bottoms near head 101 1 ends then are extended with extension 1030 respectively in this two side, are concaved with some draw-in grooves 1031 in the zone of 101 on two longitudinal side walls 103 and conduction region 100 and head.

Stiffening device 11 is to be made by the higher material of intensity, it is a metal material in the present embodiment, it is mounted on the insulating body 10, its structure is lengthwise hollow frame structure, this stiffening device 11 is to form through integrated punching, be provided with opening 110 in the middle of this stiffening device 11 so that chip module (not shown) is connected by the conduction region 100 of this opening 110 with insulating body 10, and in the lengthwise of stiffening device 11 upwards be provided with two the first side walls 111 and with this two the first side wall 111 horizontal two second sidewalls 112 of adjacent setting respectively, this is first years old, second sidewall 111,112 respectively along bending with insulating body 10 combined directions, draw-in groove 1031 positions corresponding to insulating body 10 on the first side wall 111 are provided with some trips 1110, be provided with fluting 1111, the second sidewalls 112 corresponding to projection 1032 positions of insulating body 10 and be respectively equipped with first tabs 1120 and second tabs 1121 to the bending of insulating body 10 directions corresponding to the boss 1011 of insulating body 10 and first perforate, 1020 positions.Pressing plate 12 is the hollow frame structure, the one end is provided with buckle 120 corresponding to second perforate, 1021 positions of insulating body 10, the fastening of pressing plate 12 by 1021 of buckle 120 and second perforates rotates and is articulated on the insulating body 10, and is provided with guide channel 121 in the other end centre position away from this pivot end of pressing plate 12.Holding unit 13 includes and drives bar 130, drives the extension of bar 130 1 end approximate vertical with this and be in the connecting rod 131 of insulating body 10 1 sides and the handle 132 that extends along vertical these connecting rod 131 directions in connecting rod 131 1 ends, and drive the depression bar 1301 that bar 130 includes two hinged arms 1300 and is positioned at 1300 of two hinged arms, and vertical these hinged arm 1300 bearing of trends in 1301 edges of hinged arm 1300 and depression bar have certain normal throw, and this depression bar 1301 can be contained in the guide channel 121 of pressing plate 12.

When this electric connector 1 in when assembling, two hinged arms 1300 that drive bar 130 with holding unit 13 insert along the extension 1030 of insulating body 10 and the gap location of boss 1011 earlier, two hinged arms 1300 of holding unit 13 are contained in this gap, connecting rod 131 and handle 132 place a side of the sidewall 103 of insulating body 10 simultaneously, then that stiffening device 11 and insulating body 10 is combined, make the trip 1110 of the first side wall 111 of stiffening device 11, second tabs 1121 of fluting on 1111 and second sidewall 112 respectively with the draw-in groove 1031 of the sidewall 103 of insulating body 10, projection 1032, first perforate 1020 of afterbody 102 fastens mutually, and first tabs 1120 on second sidewall 112 is coated on the boss 1011 of head 101, and two vertical the first side walls 111 of stiffening device 11 adhere on respectively on the insulating body two opposite side walls 103, thereby stiffening device 11 is fastened on the

insulating body

10,1030 of two boss 1011 of first tabs 1120 of stiffening device 11 and insulating body 10 and extensions form two hinged arms 1300 that holding unit 13 is accommodated in certain space at this moment, this first tabs 1120 can prevent that the bar 130 that drives of holding unit 13 from vertically moving along insulating body 10, then with the fastening of 1021 of second perforate of pressing plate 12 by its buckle 120 and insulating body 10, thereby two non-relatively press-sides of pressing plate 12 are articulated on the insulating body 10, depression bar 1301 with holding unit 13 slips in the guide channel 121 of pressing plate 12 at last, and make its connecting rod 131 be sticked in the projection 1032 times of insulating body 10, two relative press-sides of pressing plate 12 then are connected on the upper surface of stiffening device 11 simultaneously, this promptly finishes the assembling of this electric connector 1, on being fastened between insulating body 10 and the pressing plate 12 by this metal stiffening device 11, when pressing plate 12 is pressed to insulating body 10, pressing plate 12 puts on pressure on the insulating body 10 by pressing stiffening device 11, insulating body 10 is because of producing distortion in the time of can preventing that electric connector 1 and chip module (not shown) are combined under the pressure effect of pressing plate 12, thereby can provide insulating body 10 preferable structural strength, and then can guarantee to electrically connect reliably between electric connector 1 and chip module.

Claims

1. electric connector, comprise insulating body, be contained in the plurality of conductive terminals in the insulating body and be installed in the holding unit and the pressing plate at insulating body two ends respectively, it is characterized in that: winding has stiffening device between insulating body and the pressing plate, and winding has stiffening device on the insulating body, and pressing plate is connected on the stiffening device.

2. electric connector as claimed in claim 1 is characterized in that: this stiffening device is a metal material.

3. electric connector as claimed in claim 2 is characterized in that: stiffening device is a lengthwise hollow frame structure.

4. electric connector as claimed in claim 3 is characterized in that: the stiffening device lengthwise is provided with fluting to a sidewall.

5. electric connector as claimed in claim 4 is characterized in that: be provided with some tabs to the bending of insulating body direction on the horizontal sidewall of stiffening device, insulating body is to being provided with plurality of opening in the tabs position.

6. electric connector as claimed in claim 5, it is characterized in that: insulating body is provided with conduction region, is provided with some draw-in grooves in the peripheral regions of conduction region, and the draw-in groove position corresponding to insulating body on the sidewall of stiffening device is provided with some trips.

7. electric connector as claimed in claim 6 is characterized in that: insulating body includes head and the afterbody with the adjacent setting of conduction region.

8. electric connector as claimed in claim 7, it is characterized in that: head is provided with dovetail groove.

9. electric connector as claimed in claim 8 is characterized in that: pressing plate is the hollow frame structure.

10. electric connector as claimed in claim 9 is characterized in that: the afterbody of insulating body is provided with second perforate, and the bending of pressing plate one end is provided with buckle, and this buckle and second perforate fasten.