CN2667721Y

CN2667721Y - Socket connector

Info

Publication number: CN2667721Y
Application number: CN 03261553
Authority: CN
Inventors: 俞威
Original assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongteng Precision Technology Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2003-05-13
Filing date: 2003-05-13
Publication date: 2004-12-29
Anticipated expiration: 2013-05-13

Abstract

The utility model relates to a socket connector and comprises a base body, a cover body which is movably arranged on the base body and a driving device which can make the cover slide along the base body; wherein the base body comprises a containing area and a head part which extends from the containing area; the containing area is provided with the first containing space; the head part is provided with a second containing space which is next to the first containing space; the first and the second containing spaces contain the driving device; the driving space comprises a cam pole to drive the cover body to slide, a metal springy sheet to provide springy force to the cam pole, and a rocker which is vertically extended by the cam pole; the utility model can automatically position to the open position when the rocker departures from the open position with a certain angle or has the departure trend; and therefore the utility model can avoid the breaking and bending when the inserting foot of the core module inserts into the socket connector.

Description

Socket connector

[technical field]

The utility model refers to a kind of socket connector that electrically connects chip module and circuit board especially about a kind of socket connector.

[background technology]

CPU (CPU) socket connector is widely used in computer industry, in order to electrically connect chip module to docking circuit board, therefore, its Market competition, manufacturer is desirably in and keeps the superperformance that guarantees these electric connections when hanging down manufacturing cost, especially when inserting chip module, can not damage the pin of chip module.

Please refer to zero-force connector for socket shown in Figure 1, this socket connector comprises the matrix 7 in a tool plurality of terminals hole, be installed with plurality of conductive terminals (not shown) in these terminal holes, head 72, the lid 8 that is connected with group with matrix 7 and can make the drive unit 5 of lid 8 along matrix 7 slippages.Wherein lid 8 is provided with and corresponding several through holes 82 of the terminal hole (not shown) of matrix 7, drive unit 5 is provided with a drive rod 50, this drive rod 50 is in order to drive lid 8 slides onto and the electric connection mechanical mutually with the conducting terminal of matrix of the pin of chip module along the enable possition that the conducting terminal from the pin of chip module and matrix is separated make position, head 72 is provided with a trip 52 and an accepting groove 54, wherein accepting groove 54 is provided with a start face 540, when drive rod 50 places this start face 540, socket connector is in the enable possition, the terminal hole of matrix 7 is over against the through hole 82 of lid at this moment, if insert chip module then its terminal can not suffer damage with the rigid interference of the conducting terminal in the matrix, after inserting chip module, pull drive rod 50 its back that rotates to an angle is fastened with grab 52, then socket connector is in the close position.So, because when some misoperation makes drive rod 50 depart from enable possition one low-angle, the operator takes for and reaches the enable possition and insert chip module, and the pin of chip module is suffered damage, thereby influences the electric connection of the conducting terminal of the pin of chip module and socket connector.Relevant patent please refer to United States Patent (USP) the 5th, 651, and the 684, the 6th, the 146,178, the 6th, 280,223, the 6th, the 419,514 and the 6th, 530, No. 797, all there is the impaired risk of above-mentioned conducting terminal in the socket connector that it disclosed, and therefore, the socket connector of being badly in need of a kind of improvement is to overcome above-described disappearance.

[utility model content]

The purpose of this utility model provides positioning drive unit automatically, and then the stitch of avoiding chip module impaired socket connector when inserting.

The purpose of this utility model is achieved in that a kind of socket connector, and this socket connector mainly comprises matrix, lid and drive unit.Wherein matrix comprises that supporting region reaches and the head that is provided with from the supporting region extension, and supporting region is provided with first receiving space, and head is provided with second receiving space adjacent with first receiving space, and first and second receiving space is all accommodated drive unit.Drive unit mainly comprises cam lever, by the vertically extending rocking bar of cam lever and be arranged at the metal clips that cam lever below provides elastic force, wherein cam lever complexed metal shell fragment place is provided with cam part, metal clips is provided with an inclination arc department of assembly, cam part is installed in this department of assembly, this department of assembly comprises that one has preferable flexible bottom surface, and cam part be provided with respectively near and away from first and second surfaces of this bottom surface, wherein on the first surface distance of any point and cam lever axis of rotation less than the distance of any point on the second surface and cam lever axis of rotation, this rocking bar can be in enable possition and make position two states, when producing the trend that departs from the enable possition under external force, the rocking bar of socket connector can be positioned to the enable possition automatically, avoiding the operator is that rocking bar departs from enable possition one low-angle and the operator takeed for reach full open position to insert chip module to cause the pin of chip module impaired, well contact with the terminal of socket connector with the pin that reaches chip module owing to misoperation makes socket connector be in semi-open position.

Compare with prior art, the utlity model has following advantage: when the rocking bar of drive unit departs from enable possition one angle or a trend owing to some misoperation produces, this handle can be positioned to full open position automatically, the pin of chip module can be inserted in the socket connector by zero insertion force, the terminal supportor of chip module is damaged when avoiding chip module to match with socket connector, and then influences between chip module and socket connector and electrically conduct.

[description of drawings]

Fig. 1 is the stereogram of the existing socket connector relevant with the utility model.

Fig. 2 is the three-dimensional exploded view of the utility model socket connector.

Fig. 3 is the drive unit of Fig. 2 and the sectional perspective exploded view of head.

Fig. 4 is the sectional perspective exploded view of another angle of the drive unit of Fig. 3 and head.

Fig. 5 is the stereogram that the drive unit of the utility model socket connector is in the enable possition.

Fig. 6 is the stereogram that the drive unit of the utility model socket connector is in the close position.

Fig. 7 A is the drive unit of the utility model socket connector cam part and shell fragment contact condition schematic diagram when being in opening.

Fig. 7 B is the contact condition schematic diagram that the drive unit of the utility model socket connector is in cam part and shell fragment when departing from the opening certain angle.

Fig. 7 C is the contact condition schematic diagram of the drive unit of the utility model socket connector cam part and shell fragment when being in closure state.

[embodiment]

Please refer to Fig. 2 and Fig. 3, the utility model is about a kind of socket connector 1, in order to electrically connect chip module (not shown) and circuit board (not shown), it comprises that mainly a matrix 10, movable cover be located at the lid 16 on the matrix 10, is contained in plurality of conductive terminals (not shown) and drive unit 4 in the matrix 10.

Matrix 10 is provided with a tabular supporting region 12 and protrudes out the head 2 of setting from these supporting region 12 1 sides, wherein offer plurality of terminals hole 141 on the supporting region 12 accommodating conducting terminal, and correspondingly on the lid 16 offer some stitch hole 161 so that the stitch of chip module inserts.Supporting region 12 middle parts offer rectangle opening portion 120, and supporting region 12 encloses opening portion 120 and is formed with conduction region, in order to ccontaining plurality of conductive terminals (not shown).

Supporting region 12 is provided with first receiving space 142 in order to the ccontaining drive unit 4 of part near an end of head 2, a side is provided with a draw-in groove 144 in first receiving space 142, these draw-in groove 144 1 sides are provided with an arc notch 1442, can install a geometrical clamp 6 in this draw-in groove 144, this geometrical clamp 6 comprises a pair of card ear 60, a through hole 62 and a trip 64, wherein this is to blocking ear 60 in order to geometrical clamp 6 is fixed in the draw-in groove 144, and the opposite side of first receiving space 142 is provided with a recess 200.First receiving space 142 of relative supporting region 12 also is provided with a sheet metal 18 on the lid 16, and this sheet metal 18 is provided with and is erose containing hole 180, and sheet metal 18 both sides of lid 16 respectively are provided with a location notch 160.

Please refer to Fig. 2, Fig. 3 and Fig. 4, head 2 is provided with second receiving space 20 and a

stop section

21,2 direction is provided with alcove 22 to this second receiving space 20 successively along supporting region 12 to head, accepting groove 24, shell fragment resettlement section 26, rocking bar resettlement section 28, second receiving space connects mutually by the recess 200 and first receiving space 142, shell fragment resettlement section 26 is provided with two relative outer retaining walls 262 and the interior retaining wall 260 vertical with these outer retaining walls 262, interior retaining wall 260 and outer retaining wall 262 adjacents are provided with block 264, respectively be provided with a recessed joint 266 outside between retaining wall 262 and the block 264, accepting groove 24 is provided with a depressed part 240 with these 26 crossover location places, shell fragment resettlement section, the rocking bar resettlement section 28 adjacent with shell fragment resettlement section 26 is provided with the first location wall 280 and the second location wall 282, and the stop section 21 of head 2 is provided with a fixture block 210 and a drive hole 212.

Drive unit 4 comprises the cam lever 40 of tool axis of rotation, by cam lever 40 vertically extending rocking bars 42 and be arranged at the metal clips 3 that cam lever 40 belows provide its elastic force, this cam lever 40 be contained in first receiving space 142, second receiving space 20 and the rotatable respectively drive hole 212 that is installed on stop section 21 in two ends in and in the through hole 62 of geometrical clamp 6.Cam lever 40 comprises card post 400, forerunner's axle 402, jack shaft 404, assembled shaft 406 and reference column 408, wherein, jack shaft 404 diameters are greater than forerunner's axle 402 diameters, assembled shaft 406 diameters are greater than jack shaft 404 diameters, forerunner's axle 402 is provided with spire 4020, jack shaft 404 is provided with protuberance 4040, assembled shaft 406 is provided with cam part 4060 in abutting connection with rocking bar 42 places, and this cam part 4060 encloses the cam-like configuration that forms for the cambered surface by different radii, this rocking bar 42 can engage mutually with the fixture block 210 on the stop section 21, and end vertically protrudes out and is provided with rocking handle 420 on it.Metal clips 3 comprises first elastic card 302 that is connected in respectively in the recessed joint 266, second elastic card 304, department of assembly 34 in order to the cam part 4060 of accommodating cam lever 40, and connect first elastic card 302 and second elastic card 304 respectively and first elastic arm 30 and second elastic arm 32 of strain are provided, wherein department of assembly 34 is an arc structure, and arc department of assembly 34 comprises a bottom surface 341, and cam part 4060 be provided with respectively near and away from the first surface 4062 and the second surface 4064 of this bottom surface 341, wherein on the first surface 4062 distance of any point and cam lever 40 axis of rotation less than the distance of any point on the second surface 4064 and cam lever 40 axis of rotation.

Please refer to Fig. 2, Fig. 3, Fig. 4 and Fig. 5 again, during assembling, the metal clips 3 of drive unit 4 places in the shell fragment resettlement section 26 of second receiving space, wherein first elastic card 302 of metal clips 3 and second elastic card 304 are clamped within the recessed joint 266 of 262 of block 264 and outer retaining walls, the department of assembly 34 of metal clips 3 is placed in the depressed part 240 of second receiving space, and between its bottom surface and the depressed part 240 deformation space is arranged.The cam lever 40 of drive unit 4 is contained in first receiving space 142 and second receiving space 20, wherein the card post 400 of cam lever 40 inserts in the through hole 62 of geometrical clamp 6 by the draw-in groove 144 of first receiving space 142,64 chuckings of the trip of geometrical clamp 6 forerunner axle 402, spire 4020 is placed in first receiving space 142, the protuberance 4040 of cam lever 40 is contained in the alcove 22 of second receiving space, and the cam part 4060 of cam lever 40 places in the department of assembly 34 of metal clips 3.The reference column 408 of cam lever 40 is contained in the drive hole 212 of stop section 21, then lid 16 is buckled on the matrix 10, wherein the spire 4020 of cam lever 40 protrudes in the upper surface of matrix 14 and through hole 18 both ends of the surface on the lid 16 interfere, with promote lid 16 in open and make position between move.

Please refer to Fig. 2, Fig. 3, Fig. 5, Fig. 6 and Fig. 7, when the rocking bar 42 of drive unit 4 places first to locate wall 280 during use, terminal accommodation holes 141 in the supporting region 12 is in same vertical position with the stitch hole 161 on the lid 16, socket connector 1 is in opening, this moment cam part 4060 and metal clips 3 cooperate situation with reference to Fig. 7 A, when inserting chip module on socket connector 1, its pin can not be damaged.If promote rocking bar 42 to the second location wall 282 motion certain angles, cam lever 40 will rotate and make the spire 4020 on it promote lids 16 on matrix 12 to moving away from cephalad direction, thereby slowly the stitch of chip module is locked, when rocking bar 42 arrives the second location wall 282 and is placed in rocking bar 42 under the fixture block 210, socket connector 1 is in the close position, this moment cam part 4060 and metal clips 3 cooperate situation with reference to Fig. 7 C, slotting chip module is thereon locked fully.In above-mentioned course of action, plug in the absence of chip module, because some misoperation produces when departing from the enable possition certain angle rocking bar 42, this moment cam part 4060 and shell fragment 3 cooperate situation with reference to Fig. 7 B, because the first surface 4062 of 34 bottom surfaces 341, cam part 4060 close departments of assembly and the distance of camshaft axis of rotation are less than the distance of cam part 4060 away from second surface 4064 with the camshaft axis of rotation of 34 bottom surfaces 341, department of assembly, thereby cam part 4060 can the department of assembly 34 to metal clips 3 applies a pressure along with rotation, metal clips 3 also can produce corresponding deformation, the reaction force F1 of the 341 pairs of cam part 4060 in 34 bottom surfaces, department of assembly and F2 can produce a moment of torsion M to cam part 4060, and make rocking bar 42 return back to opening, thereby reach the automatic positioning function of drive unit 4, to avoid the socket connector socket connector to depart from enable possition one low-angle owing to misoperation or vibration produce, the operator takes for and reaches the enable possition and insert chip module, thereby prevents because of above-mentioned misoperation defective chip module or Electric socket connector 1.

Claims

1. socket connector, mainly comprise: matrix, plurality of conductive terminals reaches the drive unit that slidably is installed on the matrix, wherein matrix is provided with the plurality of terminals hole that is arranged, plurality of conductive terminals then is contained in the terminal hole of matrix, this drive unit comprises that mainly the cam lever of a tool axis of rotation reaches by the vertically extending rocking bar of cam lever, it is characterized in that: the cam lever of drive unit is provided with cam part, the cam lever below is provided with the metal clips that elastic force is provided, metal clips is provided with a department of assembly cam part to be installed in wherein, this department of assembly comprises a bottom surface, and cam part be provided with respectively near and away from first and second surfaces of this bottom surface, wherein on the first surface distance of any point and cam lever axis of rotation less than the distance of any point on the second surface and cam lever axis of rotation.

2. socket connector as claimed in claim 1 is characterized in that: described matrix comprises supporting region that is provided with first receiving space and the head that protrudes out setting from supporting region one side.

3. socket connector as claimed in claim 2 is characterized in that: described head is provided with second receiving space in addition, and this second receiving space is provided with alcove, accepting groove, shell fragment resettlement section and rocking bar resettlement section.

4. socket connector as claimed in claim 3 is characterized in that: the shell fragment resettlement section of described second receiving space is provided with retaining wall, two blocks and two recessed joints in the two outer retaining walls, two.

5. socket connector as claimed in claim 3 is characterized in that: the adjacent and rocking bar resettlement section in described shell fragment resettlement section and rocking bar resettlement section is provided with an inclined-plane at least.

6. socket connector as claimed in claim 1 is characterized in that: described metal clips comprises first elastic card, second elastic card and department of assembly.

7. socket connector as claimed in claim 1 is characterized in that: a deformation space is arranged between the bottom surface of described department of assembly and the depressed part.

8. socket connector as claimed in claim 1 is characterized in that: described cam lever comprises card post, forerunner's axle, jack shaft, assembled shaft and reference column.

9. socket connector as claimed in claim 8 is characterized in that: described forerunner's axle is provided with spire, and jack shaft is provided with projection, and assembled shaft is provided with cam part.