CN2679875Y - Flat grid array electrical connector - Google Patents

Abstract

The utility model discloses a flat grid array electrical connector which is used for electrically connecting a wafer die set and a circuit board. The flat grid array electrical connector comprises an insulation basal body, a frame arranged on the periphery of the insulation basal body, and a gland movably pivoting on two ends of the frame and a deflector rod; the frame comprises a square hollow proximal wall and a side wall bending from the periphery of the proximal wall; the insulation basal body comprises a flat square receiving part and an installation part integrally formed with the receiving part, wherein, the installation part and the receiving part are provided with an identical geometric centre, and each side edge of the receiving part projects outward opposite to each side edge of the installation part; the installation part matches with the buckle of the inner side edge of the hollow proximal wall of the frame, and the periphery of the receiving part projecting the installation part is placed on the proximal wall; the peripheries of the receiving part which are near the installation deflector rod of the frame and are on the two ends of the gland respectively rise in the direction of far from the proximal wall so as to avoid that the proximal wall of the frame compresses the two ends of the receiving part during bending because of force, which furthermore leads to the bending deformation of the insulation basal body and influences stable electrical connection of the flat grid array electrical connector.

Description

Electric connector of planar grid array

[technical field]

The utility model is about a kind of electric connector of planar grid array, refers to a kind of electric connector of planar grid array that is used to electrically connect wafer module and circuit board especially.

[background technology]

Electric connector of planar grid array is widely used in the high-frequency high-speed transmission field, and it need have the preferable performance that is electrically conducted.Fig. 5 and Fig. 6 have disclosed a kind of existing electric connector 6, and it comprises that an insulating body 61, frame be located at the framework 62 of insulating body 61 all sides, rotation and be articulated in the gland 63 of framework 62 1 ends and be articulated in framework 62 other ends and gland 63 can be pressed on driving lever 64 on the insulating body 61.Wherein insulating body 61 comprises a carrier 611 and the installation portion 612 that is wholely set with this carrier 611, carrier 611 is the tabular structure with installation portion 612, the two has identical geometric center, and carrier 611 each lateral margin outwards protrude with respect to each lateral margin of installation portion 612; Framework 62 comprises a hollow diapire 621 and from the upwardly extending sidewall 622 of diapire 621 all sides, and forming the receiving space of a housing insulation matrix 61, and the outside of a sidewall 622 is provided with a trip 623 therein.Driving lever 64 comprises the pressing lever 642 that a drive rod 641 reaches perpendicular to drive rod 641, pressing lever 642 comprises the press section 6422 of the location division 6421 on the framework 62 being installed and connecting two location divisions 6421 in order to rotate, and press section 6422 protrudes out to a lateral buckling with respect to location division 6421.

After electric connector of planar grid array 6 installed, the installation portion 612 of insulating body 61 was inserted in the cavity of framework 62 and is clasped with the medial margin of insulation framework 62, and the part that carrier 611 protrudes installation portions 612 then fits on the diapire 621.

During use, at first gland 63 is rotated to the enable possition, wafer module 7 is installed on the insulating body 61, close gland 63 then, stir the drive rod 641 of driving lever 64 at last, its press section 6422 also will rotate thereupon and be resisted against on the gland 63, continue rotation drive rod 641, drive rod 641 finally is held on the trip 623, in this rotary course, framework 62 will be because of the tension bending that make progress at the two ends that driving lever 64 and gland 63 are installed, thereby pushes and the two ends of the corresponding carrier 611 in these two ends, cause insulating body 61 buckling deformations, influence the connector of planar lattice array excellent electrical property and connect effect.

[utility model content]

The purpose of this utility model provides a kind of electric connector of planar grid array with good switching performance, and it can prevent that framework from causing insulating body bending distortion when stressed bending.

The purpose of this utility model is achieved in that a kind of electric connector of planar grid array, in order to electrically connect wafer module and circuit board, it comprises that an insulating body, frame be located at the framework of insulating body week side, movably be articulated in the gland of framework one end and the driving lever that is articulated in the framework other end, and wherein framework comprises a square hollow diapire and the sidewall of bending upwards around diapire; Insulating body comprises that a flat square carrier reaches and the integrated installation portion of this carrier, wherein each lateral margin of carrier outwards protrudes with respect to each lateral margin of installation portion, and the medial margin of installation portion and framework hollow diapire is clasped, the part that all sides of carrier are protruded installation portion then is held on the diapire, carrier at the lateral margin at the two ends that driving lever and gland are installed near framework respectively to away from the diapire deviation in driction, to prevent framework diapire extruding insulation matrix when the flexural deformation.

Compared with prior art, advantage of the present utility model is: by the two ends lateral margin of driving lever and gland being installed to away from the diapire direction lift unit being set at carrier near framework, can avoid in operating process, the insulating body distortion that the bending of framework diapire causes, and then guarantee electric connector favorable mechanical and the electric performance that connects.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector of planar grid array.

Fig. 2 is the three-dimensional exploded view at another visual angle of the utility model electric connector of planar grid array.

Fig. 3 is the three-dimensional combination figure of electric connector of planar grid array shown in Figure 1.

Fig. 4 is the cutaway view along Fig. 3 IV-IV line.

Fig. 5 is the three-dimensional exploded view of the existing electric connector of planar grid array relevant with the utility model.

Fig. 6 is the cutaway view of existing electric connector of planar grid array shown in Figure 5.

[embodiment]

See also Fig. 1 to Fig. 3, the utility model electric connector of planar grid array 1 is to be used to electrically connect wafer module 8 and circuit board (not shown), and it mainly includes insulating body 2, frame and is located at framework 3, the rotation of insulating body 2 all sides and is articulated in the gland 4 on the framework 3 and is articulated in framework 3 other ends and gland 4 can be pressed on driving lever 5 on the insulating body 2.

Insulating body 2 is a square structure, it comprises a carrier 21 and the installation portion 22 that is wholely set with this carrier 21, wherein carrier 21 is the tabular structure with installation portion 22, the two has identical geometric center, and carrier 21 each lateral margin outwards protrude with respect to each lateral margin of installation portion, i.e. carrier 21 and installation portion 22 common formation one ring ladder columnar structures.The lateral margin that carrier 21 protrudes installation portion 22 is formed with lift unit 210 in the part near two opposite ends by escaping material.In addition, at installation portion 22 each lateral margin to being outside equipped with salient point 220.

Framework 3 comprises the diapire 31 of a hollow and four from diapire 31 sidewall 32 that extends of bending upwards, and above-mentioned diapire 31 and sidewall 32 surround the space of accommodating insulating body 2 jointly.The hollow diapire 31 of framework 3 comprises four medial margins, and corresponding installation portion 22 salient points 220 positions are provided with groove 310 on these medial margins.Offer two strip installing holes 321 on the sidewall 32 of framework 3, another opposing sidewalls both ends have been bent to form holding section 322 respectively, between two holding sections 322, have a breach 323.Another sidewall outside between above-mentioned two side 32 outwards convexes with a trip 340.

Gland 4 is the square plate columnar structure of a hollow, it comprises that two hook parts 42 of a main board 41, the extension of autonomous agent plate 41 1 lateral bucklings, the positioning strip of being located between two hook parts 42 43 reach from the auxiliary section 44 that main board 41 opposite sides extend, the middle part of main board 41 is bent to form the abutting part 411 that can push wafer module 8 downwards, and the width of hook part 42 is slightly less than the width of installing hole 321, thereby can be snapped in the installing hole 321 of framework 3, articulate so that the rotation of gland 4 on framework 3 to be provided; Positioning strip 43 can prevent gland 4 excessive rotations and come off.

Driving lever 5 comprises the pressing lever 52 that a drive rod 51 reaches perpendicular to drive rod 51, pressing lever 52 comprises two rotatable force sections 522 that are installed on the location division 521 on framework 3 holding sections 322 and connect two location divisions 521, this force section 522, and can rotatablely move in the breach 323 of framework 3 to a lateral buckling with respect to location division 521.

Assembling is during electric connector 1, at first insulating body 2 is installed in the diapire 31 of framework 3 and the space that sidewall 32 is surrounded, and the hook part 42 with gland 4 cooperates with the installing hole 321 of framework 3 then, gland 4 is rotated be connected on the framework 3; At last the location division 521 on the pressing lever 52 of driving lever 5 is installed on respectively on the holding section 322 of framework 3, thereby makes the pressing lever 52 can be, and drive rod 51 flat shapes and can be snapped on the trip 340 in framework 3 one sides when off-position with respect to framework 3 rotation.

Please in conjunction with consulting Fig. 4, after electric connector of planar grid array 1 assembling is finished, the madial wall of the lateral border of the installation portion 22 of insulating body 2 and the hollow diapire 31 of framework 3 is clasped, salient point 220 on it is placed in the groove 310 of diapire 31 medial margins, and the part of carrier 21 all sides protrusion installation portion 22 lateral borders is held on the diapire 31, and respectively to away from the diapire deviation in driction, promptly carrier 22 leaves a wedge gap A to carrier 22 between these two ends and diapire 31 at the lateral margin at the two ends that driving levers 5 and gland 4 are installed near framework 3.

During work, at first driving lever 5 is rotated to the enable possition, open gland 4 then, wafer module 8 is installed in the insulating body 2, rotates gland 4, make it rotate to horizontal level, this moment, the abutting part 411 of gland 4 was held on the wafer module 8, and auxiliary section 44 just in time enters in the breach 323 of framework 3.Stir the drive rod 51 of driving lever 5, make pressing lever 52 movement therewith, when drive rod 51 rotates near horizontal level, force section 522 enters the breach 323 of framework 3 and is resisted against on gland 4 auxiliary sections 44, continue rotation drive rod 51, when drive rod 51 finally was held on the trip 340, wafer module 8 was immobilizated on the electric connector of planar grid array 1 fully.

Push in the process of gland 4 at driving lever 5, the diapire 31 of framework 3 is will be because of being subjected to the tensile force bending that makes progress near the two ends that gland 4 and driving lever 5 are installed, owing to being provided with to the direction away from diapire 31 in this opposite ends, lifts the carrier 21 at insulating body 2, framework 3 can not pushed the two ends of carrier 21 when bending, thereby can avoid the buckling deformation of insulating body 2, guarantee the electric property that electric connector of planar grid array 1 is good.

Because in actual use, the extruding of 31 pairs of four corners of diapire of framework 3 is the most obvious, in another embodiment, carrier 21 only in the corner of driving levers 5 and gland 4 two ends being installed near framework 3 to deviation in driction away from diapire, can reach roughly the same effect equally.

Claims (7)

1. electric connector of planar grid array, it comprises that an insulating body, frame be located at the framework of insulating body week side, movably be articulated in the gland of framework one end and the driving lever that is articulated in the framework other end, and wherein framework comprises a hollow diapire and from the diapire periphery sidewall of bending upwards; Insulating body comprises a carrier and the installation portion that is connected with this carrier, wherein each lateral margin of carrier outwards protrudes with respect to each lateral margin of installation portion, and the medial margin of installation portion and framework hollow diapire is clasped, the part that all sides of carrier are protruded installation portion then is held on the diapire, it is characterized in that: respectively to away from the diapire deviation in driction, carrier is formed with the gap to carrier between these two ends and diapire at the two ends that driving lever and gland are installed near framework.

2. electric connector of planar grid array as claimed in claim 1 is characterized in that: each lateral margin of the installation portion of insulating body is to being outside equipped with salient point, and the corresponding medial margin of the diapire of hollow framework is provided with groove and is mated.

3. electric connector of planar grid array as claimed in claim 2 is characterized in that: the installation portion of insulating body has identical geometric center with carrier, and installation portion and the common formation of carrier one ring ladder columnar structure.

4. electric connector of planar grid array as claimed in claim 3 is characterized in that: the installation portion and the carrier of insulating body are formed in one.

5. electric connector of planar grid array as claimed in claim 1 is characterized in that: the gap between carrier and the diapire is to escape material by the part of protruding installation portion in all sides of carrier to form.

6. electric connector of planar grid array as claimed in claim 5 is characterized in that: the gap between carrier and the diapire is a wedge shape.

7. electric connector of planar grid array as claimed in claim 1 is characterized in that: carrier is being installed the corner at driving lever and gland two ends to the deviation in driction away from diapire near framework.

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