CN2501204Y

CN2501204Y - Socket connector

Info

Publication number: CN2501204Y
Application number: CN 01264713
Authority: CN
Inventors: 林南宏
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: 2001-09-07
Filing date: 2001-09-07
Publication date: 2002-07-17
Anticipated expiration: 2011-09-07

Abstract

The utility model discloses a socket connector which is connected with a central processing unit chip and bonded on a circuit board. A seat hole and a cover hole are correspondingly arranged in a base and a cover body respectively. The cover body is driven by an actuator to move relatively to the base. The actuator comprises a plurality of noncoaxial cylinders which are respectively arranged in the seat hole and the cover hole, and a bulge which protrudes from one side of the heads of the cylinders and arranged in the cover hole. The protecting elements made of metal materials are provided with blocks which can extend into the side of the cover hole. The blocks are positioned at the starting and the stopping end points of the rotary motion stroke of the actuator so as to provide stop positions for the bulge of the actuator and avoid the function damage of the actuator, which is caused by over rotation.

Description

Socket connector

The utility model is relevant a kind of socket connector, refers to central processor socket connector among a kind of protection member with metal material especially.

The socket connector that is used to connect central processing unit (CPU) chip and motherboard in the prior art generally includes pedestal, lid, terminal and actuator etc., pedestal has several terminal holes that run through its upper and lower surface in order to accommodate terminal, and the corresponding lid of lid place pedestal upper surface and can be with respect to the suitable slippage of pedestal, the terminal hole position of corresponding pedestal is provided with several through holes on lid, its pin is passed through, and can make its further stretch in the terminal hole with in good time and terminal connect.As for the appropriate location that then generally is housed in lid and pedestal by the actuator that driving action is provided by cam or eccentric wheel principle, and constitute the interlock state with lid and pedestal.See also Fig. 1, appropriateness rotation that actuator 9 can be auxiliary down at instrument (as a word bottle opener etc.) and order about lid 8 and change relative position between itself and the pedestal (not shown).In this process, the chip pin (not shown) that group is put on lid 8 will be by the state that originally was contained in the terminal hole (not shown) not with terminal (not shown) butt, slide to terminal and butt conducting with it with lid 8, and produce so-called zero insertion force (Zero Insertion Force, winding ZIF).Be provided with a projection 91 at actuator 9 top horizontal-extendings, cooperate the event trace of this projection 91, lid 8 correspondences are provided with an arc groove 81, and are provided with barrier 82 at the two limit positions of projection 91 rotations, to stop the excessive rotation of actuator 9.

The actuator 9 of above-mentioned socket connector is because of directly contacting with aid (as word bottle opener etc.), generally adopt metal material and make it have enough intensity, and lid 8 adopts plastic cement material usually, barrier 82 place's intensity of above-mentioned arc groove 81 are obviously not enough, and are easy to wear under the frequent touching of the projection 91 of actuator 9.During operator's Rotating opener as firmly excessive, promptly may make 91 pairs of barriers 82 of projection cause great impact, destroy its original structure, make its distortion even breach occurs, make this barrier 82 provide good control action, and then influence the stable transfer of signal the appropriateness rotation of actuator 9.Moreover above-mentioned actuator 9 adopts eccentric wheel structure, the distortion easy to wear under long-term situation about using of lid 8 that plastic cement is made and pedestal and actuator 9 contacted positions, and make the eccentric wheel of actuator 9 can't finish its driving function.

The purpose of this utility model is to provide a kind of socket connector, it can increase the plastic cement structural strength partly of the lid and the pedestal next-door neighbour actuator of connector, make it not easy to wear, avoid actuator to destroy, and then realize stable signal transmission effect because of excessively rotating the function that causes.

For achieving the above object, the utility model adopts following technical scheme: socket connector is used to accept central processing unit (CPU) chip and is bonded on circuit board, so that the electric connection of chip current-carrying part and circuit board corresponding circuit to be provided, it comprises pedestal, lid, plurality of conductive terminals, actuator and protection member etc. at least, the pedestal group is located on the circuit board, it has a body, and the plurality of terminals hole vertically is applied in this body, is provided with a hole at pedestal one end; Lid is assembled on the pedestal slidably, and it also has a body, and some through holes vertically are applied in this body, and these through holes are corresponding with the terminal hole of pedestal respectively, lid one end be provided with pedestal the seat the corresponding lid hole that communicates, hole; The plurality of conductive terminals group is put in the terminal hole of the correspondence of pedestal, in order to engage with the current-carrying part of chip; Actuator is housed in the lid hole of seat hole and lid of pedestal, and constitute the interlock state with pedestal and lid, can drive lid by the rotation of self and produce moving with respect to pedestal, it includes and is contained in above-mentioned seat hole, the lid hole respectively and not coaxial some cylinders and from cylinder head one side protrusion and be contained in projection in the above-mentioned lid hole, this projection can appropriateness rotate in above-mentioned lid hole, in order to the rotating distance of controlling and driving part; The protection member adopts metal material, and it is provided with the block that extends into above-mentioned lid hole side, and what these blocks just were positioned at the actuator rotational travel plays, ends the position.

Compared with prior art; the utility model socket connector plays, ends the position because of what set block on the protection member of described metal material was positioned at the actuator rotational travel; the position, stop section of the projection of actuator can be provided; thereby the rotating range of restriction actuator avoids actuator to destroy because of excessively rotating the function that causes.

The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.

The schematic diagram that Fig. 1 combines with lid for the actuator that has socket connector now.

Fig. 2 is the three-dimensional combination figure of the utility model socket connector.

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

Fig. 4 is the stereogram of looking up angle of the lid of the utility model socket connector.

Fig. 5 is the schematic diagram that the actuator of the utility model socket connector combines with lid.

Fig. 6 is the schematic perspective view of another embodiment of dividing plate of the protection member of the utility model socket connector.

See also Fig. 2 and shown in Figure 3; the utility model socket connector 1 is used to accept central processing unit (CPU) chip (not shown) and is bonded on circuit board (not shown); so that the electric connection between chip current-carrying part and circuit board corresponding circuit to be provided, it includes pedestal 10, lid 20, plurality of conductive terminals 30, actuator 40 and protection member 50.

Pedestal 10 includes a body 11 by the made and rectangular plate body shape of insulating material, is provided with an opening 12 therein, and some terminal holes separated from one another 13 vertically are applied among pedestal 10 bodies 11, accommodate some corresponding terminals 30 respectively.Some fixture blocks 112 separated from one another are distributed in the apical margin position of pedestal 10 two sides 111.Be provided with a groove 14 that is short T shape in an end centre position of pedestal 10 bodies 11, be formed with the seat hole 15 of a circle in these groove 14 bottoms, in order to accommodate the counterpart of actuator 40.

Lid 20 winding slidably is on pedestal 10, it includes the body that slightly is square 21 of an insulation material, part is provided with an opening 22 in the central, extend a protuberance 24 at the one end, be provided with the seat 15 corresponding lid holes 25 that communicate, hole with pedestal 10 in these protuberance 24 middle parts, lid hole 25 is made of two different semicircle orifices of diameter, is formed with two barriers 251 perpendicular to lid 20 surfaces in two semicircle orifice junctions.Some through holes 23 vertically run through the body 21 of lid 20 and respectively with pedestal 10 on set terminal hole 13 align, by this structure, the chip current-carrying part can be passed down through the through hole 23 and the group of lid 20 and go in the terminal hole 13 of pedestal 10.Please cooperate and consult Fig. 4, extend to form pair of side plates 26 downwards, be concaved with catching groove 261, accommodate the fixture block 112 of pedestal 10 and its certain slipping space is provided with correspondence at the medial surface of side plate 26 at above-mentioned body 21 two opposite sides edge.In the axis of symmetry position of side plate 26 with body 21 connecting places and close body 21, be respectively equipped with a depressed part 262, so that being provided, the operator dismantles the operating space of chip.

Protection member 50 includes the dividing plate 51 that is arranged on lid 20 lower surfaces and organizes the pad 52 that is located at pedestal 10 upper surfaces, and aforementioned barriers 51 and pad 52 are short T shape substantially, and are metal material.The continuous Fig. 4 that please consults simultaneously, dividing plate 51 buries moulding (Insert Molding) mode with edge and lid 20 is halved together, it has a sheet main part 511, be provided with a rectangular slit 512 at main part 511 middle positions, further expand outwardly a pair of arcwall 513 that formation is oppositely arranged at slit 512 middle parts to both sides, thereby make slit 512 middle parts form the manhole 514 that is connected with above-mentioned slit 512.The 513 liang of side positions of arcwall that are positioned at slit 512 1 sidewalls extend upward and are provided with a pair of block 515, and this block 515 extends in the lid hole 25 of lid 20 and with barrier 251 and leans.Next-door neighbour dividing plate 51 liang of ora terminalis positions also are provided with a pair of small sircle hole 516, can inlay in mold cavity at dividing plate 51 and lid 20 and accommodate plastic cement when burying moulding and make dividing plate 51 be fixed on lid 20 lower surfaces.Pad 52 is entrenched in the respective slot 14 of pedestal 10, is provided with a through hole that slightly is rectangle 521 in the central.

Actuator 40 comprises that one from top to bottom links to each other and first cylinder 41, second cylinder 42, the 3rd cylinder 43 and the 4th cylinder 44 of the cylindrical configuration that diameter successively decreases successively, and stretching out at above-mentioned first cylinder, 41 sidewalls is provided with a projection 45.Above-mentioned first cylinder 41, second cylinder 42, the 3rd cylinder 43 and the 4th cylinder 44 are housed in respectively in the seat hole 15 of the through hole 521 of through hole 514, pad 52 of lid hole 25, the dividing plate 51 of lid 20 and pedestal 10, semicircle orifice and through hole 514 than minor diameter in the described lid hole 25 become isometrical setting and matched in clearance substantially with first and second cylinder 41,42, and described cylinder can rotate in corresponding aperture.And the minor face of the through hole 521 of pad 52 roughly with the 3rd cylinder 43 equal diameters, its long limit is then greater than the diameter of the 3rd cylinder 43, makes through hole 521 can hold the 3rd cylinder 43 and rotates within it and leave along the space of long limit slippage.45 of projections can be along the hole wall rotation in the larger-diameter semicircle orifice in lid hole 25, and its event trace is limited by barrier 251.Simultaneously, first and second cylinder 41,42 coaxial settings, and third and fourth cylinder 43,44 coaxial settings, and this two axis certain distance that interlaces.By above-mentioned eccentric structural design, actuator 40 externally instrument (as a word bottle opener etc.) effect makes lid 20 produce relative to pedestal 10 down and is parallel to moving of pedestal 10, and lid 20 is moved between first and second position, wherein when primary importance, chip current-carrying part and conducting terminal 30 are separated, and when the second place, chip current-carrying part and conducting terminal 30 electrically connect.

During assembling; earlier 52 groups on pad is put in the groove 13 of pedestal 10; lid 20 windings that then edge are embedded with dividing plate 51 are on pedestal 10; again actuator 40 is gone into from the lid hole of lid 20 25 upper set; at last with the four cylinder 44 protruding terminal riveteds that are exposed at pedestal 10 belows of circular riveting sheet 60, thereby make between actuator 40, lid 20, pedestal 10 and the protection member 50 in conjunction with firm with actuator 40.

See also Fig. 5, after assembling is finished, just form arc grooves 27 at the larger-diameter semicircle hole wall in the lid hole 25 of first cylinder 41 of actuator 40, lid 20 and 511 of the main parts of dividing plate 51, when actuator 40 rotated, the set projection 45 in actuator 40 tops rotated in above-mentioned arc groove 27.Because the block 515 of dividing plate 51 is resisted against on the barrier 251 of lid 20; when described projection 45 turns to two limit positions; with above-mentioned block 515 direct butts; and block 515 is made of metal; the intensity height, with the frequent touching of described projection 45 under not easy to wear, also can stand the big impact that projection 45 may apply; plastic cement barrier 251 to lid 20 provides good protective action, can avoid actuator 40 because of excessively rotating plastic cement lid 20 to be damaged.Moreover; because dividing plate 51, pad 52 all adopt metal material; wear-resistant when contacting with the outer surface of actuator 40; can partly provide good protective action to the plastic cement of lid 20 and pedestal 10 next-door neighbour's actuators 40; increase this part-structure intensity; avoid occurring the long-term use above-mentioned plastic cement part abrasion deformation in back and cause the eccentric wheel of actuator can't finish the situation that it drives function, and then realize stable signal transmission effect.

See also Fig. 6, this is the stereogram of another embodiment of dividing plate of the protection member of the utility model socket connector.The configuration of dividing plate 51 ' is similar to dividing plate shown in Figure 3 51, the main difference part is that its block 515 ' is from rectangular slit 512 ' vertical inward at both ends and be tilted to and extend, this dividing plate 51 ' buries moulding (Insert Molding) mode when being combined on the lid 20 with edge, its block 515 ' is also rabbeted barrier 251 the place aheads at lid 20, can reach the effect identical with block 515.In addition, the utility model socket connector is moulding lid 20 separately also, then described dividing plate 515,515 ' is assembled in lid 20 lower surfaces.

Claims

1. socket connector, be used to accept central processing unit (CPU) chip and be bonded on circuit board, so that the electric connection of chip current-carrying part and circuit board corresponding circuit to be provided, it comprises members such as pedestal, lid, plurality of conductive terminals and actuator at least, the pedestal group is located on the circuit board, it has body, and the plurality of terminals hole vertically in this body, is provided with a hole at pedestal one end; Lid is assembled on the pedestal slidably, and it also has body, and some through holes are vertically in this body, and these through holes are corresponding with the terminal hole of pedestal respectively, is provided with the seat corresponding lid hole that communicates, hole with pedestal at lid one end; Plurality of conductive terminals, group are put in the terminal hole of the correspondence of pedestal, in order to engage with the current-carrying part of chip; Actuator is housed in the lid hole of seat hole and lid of pedestal, and constitute the interlock state with pedestal and lid, can drive lid by the rotation of self and produce moving with respect to pedestal, it includes and is contained in above-mentioned seat hole, the lid hole respectively and not coaxial some cylinders and from cylinder head one side protrusion and be contained in projection in the above-mentioned lid hole, this projection can appropriateness rotate in above-mentioned lid hole, in order to the rotating distance of controlling and driving part; It is characterized in that: described socket connector also is provided with the protection member of metal material; on this protection member, be provided with the block that extends into above-mentioned lid hole side; what these blocks just were positioned at the actuator rotational travel plays, ends the position, with the position, stop section of projection that actuator is provided.

2. socket connector as claimed in claim 1 is characterized in that: the lid hole of described lid is made of two different semicircle orifices of diameter, is formed with two barriers perpendicular to top surface in two semicircle orifice junctions.

3. socket connector as claimed in claim 2 is characterized in that: be provided with a groove that is short T shape in an end centre position of base body, this bottom portion of groove is located in above-mentioned seat hole.

4. socket connector as claimed in claim 3 is characterized in that: the protection member includes the pad that the dividing plate that is arranged on the lid lower surface and group are located at pedestal upper surface, and aforementioned barriers and pad are short T shape substantially, and are metal material.

5. socket connector as claimed in claim 4, it is characterized in that: described dividing plate has a sheet main part, be provided with a rectangular slit at the main part middle position, further expand outwardly a pair of arcwall that formation is oppositely arranged at the slit middle part to both sides, thereby make the slit middle part form the manhole that is connected with above-mentioned slit.

6. socket connector as claimed in claim 5 is characterized in that: above-mentioned block is positioned at that arcwall two side positions extend upward and is provided with in pairs slit one sidewall, and these blocks extend in the seat hole of lid and with barrier and lean.

7. socket connector as claimed in claim 5 is characterized in that: above-mentioned block is from the vertical inward at both ends of slit and be tilted to relatively to extend and form, and these blocks extend in the seat hole of lid and with barrier and lean.

8. as claim 6 or 7 described socket connectors, it is characterized in that: described pad is entrenched in the respective slot of pedestal, is provided with a through hole that slightly is rectangle in the central.

9. socket connector as claimed in claim 8, it is characterized in that: actuator comprises that one from top to bottom links to each other and first cylinder, second cylinder, the 3rd cylinder and the 4th cylinder of the cylindrical configuration that diameter successively decreases successively, above-mentioned cylinder is housed in respectively in the seat hole of the through hole of through hole, pad of lid hole, the dividing plate of lid and pedestal, and described projection then is to stretch out at first column side wall to form.

10. socket connector as claimed in claim 9, it is characterized in that: the block of the larger-diameter semicircle hole wall in the sidewall of first cylinder of actuator, the lid hole of lid, the main part upper surface of dividing plate and dividing plate surrounds and forms an arc groove, and the projection of actuator is housed in this groove and can rotates within it.