CN201018164Y

CN201018164Y - Electrical connector

Info

Publication number: CN201018164Y
Application number: CNU2006201706126U
Authority: CN
Inventors: 张杰峰
Original assignee: Foxconn Kunshan Computer Connector Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd
Priority date: 2006-12-22
Filing date: 2006-12-22
Publication date: 2008-02-06
Anticipated expiration: 2016-12-22

Abstract

The utility model discloses an electrical connector to electrically connect a wafer module to a printed circuit board. The utility model comprises an insulator, a plurality of conductive terminals housed in the insulator, a fixture frame outside the insulator as well as a handset part articulated on the side of the fixture frame and a pressure plate. The pressure plate is provided with a first side articulated on the fixture frame and a second side opposite to the first side, as well as an opposite third side and fourth side adjacent to the first side and second side. The four sides form an opening; wherein, the first side and second side are provided with a first touching part and a second touching part in the facing direction and the first touching part and the second touching part protrude towards the fixture frame. When the wafer module is linked up with the electrical connector, the first touching part and second touching part connect with the wafer module respectively, therefore enables the wafer module to bear force more stably.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, refers to a kind of electric connector that electrically connects the wafer module to printed circuit board (PCB) especially.

[background technology]

Electric connector of planar grid array is widely used in electronic applications, in order to the chip module is electrically connected to printed circuit board (PCB).As promptly having disclosed this kind technology in " Nonlinear Analysis Helps Design LGA Connectors " (ConnectorSpecifier, Februray 2001).In the technology relevant with the utility model, as depicted in figs. 1 and 2, electric connector 9 comprises insulating body 90, be located in the retaining frame 92 that plurality of conductive terminals (not shown), frame in the insulating body 90 is located at insulating body 90 peripheries, be articulated in the shifting part 93 and the pressing plate 94 of retaining frame 92 sides, and the collar 91 that is mounted on shifting part 93 ends.Wherein, the end of conducting terminal 91 exposes insulating body 90 upper surfaces and connects in the mode of pushing with the conducting strip with wafer module 10.Pressing plate 94 is provided with the first side 941 that is articulated on the retaining frame 92, the second side 942 relative with first side 941, and with the 3rd side 943 and four side 944 of first side 941 and second side 942 adjacent settings, and these four sides surround an opening 940 jointly.The 3rd side 943 and four side 944 are respectively equipped with towards opening 940 and the projection 9401 that protrudes out downwards.Insulating body 90 and retaining frame 92 interference engagement are coupled together, shifting part 93 and pressing plate 94 are articulated in respectively on retaining frame 92 sides, electric connector 9 is placed on the printed circuit board (PCB) (not shown) again, realize the electric connection between electric connector 9 and the printed circuit board (PCB), again wafer module 10 is placed insulating body 90 upper surfaces, fasten pressing plate 94 and shifting part 93 then so that wafer module 10 is immobilizated in the electric connector 9, the upper surface that this moment, projection 9401 compressed wafer module 10 is with wafer module 10 stable being immobilizated in the electric connector 9.

Yet, there is following shortcoming at least in the electric connector of this structure: because the 3rd side 943 and four side 944 only are respectively equipped with the upper surface that a projection 9401 is compressing wafer module 10, so wafer module 10 can steadily not be offset because of stressed on the one hand, can sustain damage the instability that causes electric connector to electrically connect because projection 9401 rigidity are too strong on the other hand.

Given this, be necessary to provide a kind of improved electric connector in fact, to overcome the defective of above-mentioned electric connector.

[utility model content]

The technical problem that the utility model solved provides a kind of electric connector, and You Zhineng guarantees that the wafer module is stressed steadily and can prevent to weigh wounded the electric connector of wafer module.

For solving the problems of the technologies described above, the utility model provides a kind of and has been used to electrically connect the wafer module to electric connector of printed circuit board, it comprises insulating body, be located in the plurality of conductive terminals in the insulating body, frame is located at the retaining frame of insulating body periphery, and the shifting part and the pressing plate that are articulated in the retaining frame side, pressing plate is provided with the first side that is articulated on the retaining frame, the second side relative with the first side, and with this first, relative the 3rd side and the four side of the adjacent setting in second side, these four sides surround an opening jointly, wherein, first side and second side subtend are provided with the first elasticity abutting part and the second elasticity abutting part, and the first elasticity abutting part and the second elasticity abutting part protrude towards retaining frame.

With respect to the technology relevant with the utility model, the utility model electric connector has the following advantages: connect owing to be provided with the first corresponding elasticity abutting part and the second elasticity abutting part and wafer module on the direction of shifting part locking wafer module, thereby can the chip-balancing module stressed, prevent the damage of wafer module, realize wafer module and the stable electric connection of printed circuit board (PCB).

[description of drawings]

Fig. 1 is a kind of and three-dimensional exploded view the utility model associated electrical connector;

Fig. 2 is the three-dimensional combination figure of electric connector shown in Figure 1 and wafer module;

Fig. 3 is the three-dimensional exploded view of the utility model electric connector;

Fig. 4 is the view of another angle of electric connector center platen shown in Figure 3;

Fig. 5 is the three-dimensional combination figure of electric connector shown in Figure 3 and wafer module.

[execution mode]

Please join Fig. 3 to shown in Figure 5, the utility model electric connector 1, be used to electrically connect wafer module 80 to printed circuit board (PCB) (not shown), plurality of conductive terminals (not shown), frame that it comprises insulating body 2, be located in the insulating body 2 are located at the retaining frame 3 of insulating body 2 peripheries, and the shifting part 4 and the pressing plate 5 that are articulated in retaining frame 3 sides.

The roughly rectangular tabular structure of insulating body 2, be provided with conduction region 20 in its middle part, extend upward from conduction region 20 edges and to be provided with four sidewalls 21, and two relative sidewalls 21 offer groove opposite 210 and with convenient wafer module 80 removed from conduction region 20 tops.Offer plurality of terminals hole (not indicating) on the conduction region 20, contain a corresponding conducting terminal in each terminal hole, the guiding access of conducting terminal (indicate) extend conduction region 20 surfaces with the conducting strip (not shown) of wafer module 80 bottom surfaces to push the mode butt.Electric connector 1 is realized electrically connecting by its conducting terminal and printed circuit board (PCB), finally realizes the electric connection of wafer module 80 and printed circuit board (PCB) again by being electrically conducted of conducting strip of conducting terminal and wafer module 80.

Shifting part 4 is formed by long and thin metal round bar bending several times, it comprises Actuator Division 42 and the press section 44 that links to each other with these Actuator Division 42 approximate vertical, Actuator Division 42 is provided with the handle 43 of outside bending in its end, and press section 44 convexes with the portion 45 that exerts pressure in its middle part.Press section 44 1 ends of shifting part 4 are also organized and are provided with the rotation of the collar 6 with control shifting part 4.

Pressing plate 5 is provided with the first side 51 that is articulated in retaining frame 3 sides, the second side 52 relative with first side 51, and with this first,

second side

51,52 adjacent settings and the 3rd relative side 53 and four side 54, these four sides surround an opening 50 jointly.First side 51 is respectively equipped with the first relative elasticity abutting part 511 and the second elasticity abutting part 521 with second side 52 towards opening 50, and the first elasticity abutting part 511 and the second elasticity abutting part 521 protrude towards retaining frame 3.The first elasticity abutting part 511 is provided with from the first side 51 first base portions 5111 that extend and and be connected first base portion 5111 and is provided with second base portions 5211 and the second shell fragment portion 5212 that is connected second base portion 5211 and protrudes out towards retaining frame 3 of 52 extensions from the second side equally towards the first shell fragment portion, 5112, the second elasticity abutting parts 521 that retaining frame 3 protrudes out.The first shell fragment portion 5112 and the second shell fragment portion 5212 lay respectively at the end of the first elasticity abutting part 511 and the second elasticity abutting part 521, and both are identical towards height that retaining frame 3 protrudes out pressing plate 5 bottom surfaces.The same length of the first elasticity abutting part 511 and the second elasticity abutting part 521, and both are with respect to the center symmetry of opening 50.First side 51 is provided with along retaining frame 3 holding parts 514 that extends and the holding part 516 that is positioned at holding parts 514 both sides, and this holding parts 514 is in order to the rotation of control pressing plate 5 with respect to retaining frame 3.Second side 52 is provided with tongue 524 towards retaining frame 3 extensions, and the other end of its relative tongue 524 is provided with the protuberance 526 of protrusion pressing plate 5 bottom surfaces to push wafer module 80.

Retaining frame 3 roughly is tabular, and the center is provided with a square opening (not indicating) in order to ccontaining insulating body 2, and its relative dual-side extends upward and is provided with articulated section 31 that articulates pressing plate 5 and the acceptance division 32 of accommodating shifting part 4.The side adjacent with articulated section 31 and acceptance division 32 extends upward and is provided with fixed part 33 is held shifting part 4 with button Actuator Division 42.Articulated section 31 is provided with the bayonet socket 310 of accommodating holding part 516.Four jiaos of retaining frame 3 places also are provided with some holding hole 34 with fixture (not shown) cooperation and electric connector 1 is fixed on the printed circuit board (PCB).

During assembling, earlier shifting part 4 and pressing plate 5 are articulated in respectively on the articulated section 31 and acceptance division 32 of retaining frame 3, pressing plate 5 is placed open position, then insulating body 2 is placed retaining frame 3, wafer module 80 is placed on the insulating body 2, conducting terminal position in making its conducting strip and being contained in insulating body 2 is corresponding, then pressing plate 5 is moved to horizontal level, rotate shifting part 4 this moment, its handle 43 rotary buckles are held in the fixed part 33, the portion 45 that exerts pressure this moment will push the tongue 524 of pressing plate 5 downwards, thereby will drive first of pressing plate 5, two elasticity abutting parts 511,521 first, two

shell fragment portions

5112,5212 push wafer module 80 downwards, this extruding force will make wafer module 80 stressed steadily, thereby can guarantee the electric connection that wafer module 80 and electric connector 1 are stable.

It is to be noted, 51 two ends, the utility model pressing plate 5 first sides respectively are provided with one first elasticity abutting part 511 towards opening 50, it also can respectively be provided with a plurality of first elasticity abutting parts 511 in each end, and second side 52 each end also can be provided with a plurality of second elasticity abutting parts 521; The first elasticity abutting part 511 is identical with the length of the second elasticity abutting part 521, also can be set to difference; The first shell fragment portion 5112 is identical towards the height that retaining frame 3 protrudes out pressing plate 5 bottom surfaces with the second shell fragment portion 5212, also can be set to difference.

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. electric connector, it comprises insulating body, be located in the plurality of conductive terminals in the insulating body, frame is located at the retaining frame of insulating body periphery, and the shifting part and the pressing plate that are articulated in the retaining frame side, pressing plate is provided with the first side that is articulated on the retaining frame, the second side relative with the first side, and with this first, relative the 3rd side and the four side of the adjacent setting in second side, these four sides surround an opening jointly, it is characterized in that: described first side and second side subtend are provided with the first elasticity abutting part and the second elasticity abutting part, and the first elasticity abutting part and the second elasticity abutting part protrude towards retaining frame.

2. electric connector as claimed in claim 1 is characterized in that: the described first elasticity abutting part and the second elasticity abutting part protrude out the first shell fragment portion and the second shell fragment portion towards retaining frame.

3. electric connector as claimed in claim 2 is characterized in that: the described first shell fragment portion and the second shell fragment portion are positioned at the end of the first elasticity abutting part and the second elasticity abutting part respectively.

4. electric connector as claimed in claim 3 is characterized in that: the described first shell fragment portion protrudes out the pressing plate bottom surface towards retaining frame height is identical towards the height that retaining frame protrudes out the pressing plate bottom surface with the second shell fragment portion.

5. electric connector as claimed in claim 1 is characterized in that: the described first elasticity abutting part is identical with the length of the second elasticity abutting part.

6. electric connector as claimed in claim 1 is characterized in that: described second side is provided with tongue towards the retaining frame extension, and the other end of its relative tongue is provided with the protuberance that protrudes the pressing plate bottom surface.

7. electric connector as claimed in claim 6 is characterized in that: described shifting part is provided with Actuator Division and press section, and this press section convexes with the portion that exerts pressure that is used to compress tongue in its middle part.

8. electric connector as claimed in claim 1 is characterized in that: described first side is provided with along retaining frame holding parts that extends and the holding part that is positioned at the holding parts both sides.

9. electric connector as claimed in claim 8 is characterized in that: described retaining frame is provided with bayonet socket corresponding to the holding part position.