CN2488192Y - Zero inserting force socket connector - Google Patents

Abstract

The utility model discloses a zero inserting force socket connecter, including a pedestal, a cover, a driving element, a terminal and a fastening component. Wherein, the pedestal is installed on a circuit board. Grooves are arranged on the pedestal. The cover having a through hole is slideably arranged on the pedestal. The driving element is positioned between the pedestal and the cover, with the capacity to drive the cover to move relative to the pedestal. The fastening component consists of a fastener positioning in a groove of the pedestal and threading through the through hole of the cover in addition to a fastener arranged on one side of the pedestal. The fasteners can move following the cover to clamp or release a central processor which is installed above the cover. The connecter of the utility model is characterized in simple operation, firm connection, high assembling efficiency and easy replacement.

Description

Zero-force connector for socket

The utility model is relevant a kind of socket connector, refer to especially a kind of have can be easily with the zero-force connector for socket of central processing unit fastening or the bayonet unit that gets loose.

The Zero insertion connector structure that is used for plug-in mounting central processing unit (CPU) in the prior art is as United States Patent (USP) the 5th, 489, No. 218 case discloses, this electric connector includes insulator foot, sliding component, terminal and drive member, having several on this insulator foot runs through, the terminal hole of lower surface is in order to accommodate terminal, the then corresponding lid of sliding component is put the upper surface at insulator foot, and be provided with several through holes corresponding to terminal hole on it, its pin is passed through, and can make its further stretch in the terminal hole with in good time and terminal connect.Then comprise pivot, drive parts such as rotation section and actuating arm as for drive member, this pivot is articulated in the side between insulator foot and sliding component, and its suitable position is provided with and drives the rotation section, and an end of pivot then protrudes outside and hangs down and is provided with actuating arm.By promoting actuating arm, making and driving the rotation section serves as that axle rotates with this pivot, can promote sliding component and change relative position between itself and the insulator foot.In this process, the CPU pin that group is put on sliding component will be by the state that originally was contained in the terminal hole not with the terminal butt, slide to terminal and butt conducting with it with sliding component, and produce so-called zero insertion force (ZeroInsertion Force, winding ZIF).Yet above-mentioned prior art only is by the chucking power that terminal gives the CPU pin CPU and socket connector to be combined, in case rocked or vibrated, CPU obviously have from socket connector come off may.

See also United States Patent (USP) the 5th as shown in Figure 1 again, 600, No. 540, it discloses a kind of fastener 92 of holding the Central Processor Module of being made up of CPU90 and heat abstractor 91 that is used to detain, this fastener 92 mainly has a pressing part 921, to replace heat abstractor 91, an end approximate vertical of this pressing part 921 is extended a buckle arm 922 downwards, can fasten with the lug 931 on the sidewall of socket connector 93; The other end of this pressing part 921 rotatably is connected with an operating portion 923, this operating portion 923 can fasten with the lug 931 on socket connector 93 another sidewalls, and heat abstractor 91 is combined with CPU90, and CPU90 is fixed on the socket connector 93, to guarantee the CPU normal operation.Yet above-mentioned faster for radiating device is parts independently, need install additional separately when fastening CPU and heat abstractor, and it is very limited to assemble the activity space of this fastener, makes to greatly reduce packaging efficiency by operating difficulties; Moreover, often not good when fastening heat abstractor because of operating physical force size and direction control with CPU, and damage motherboard.

Main purpose of the present utility model is to provide a kind of socket connector, and it can make the firm with it winding of central processing unit, avoids CPU to be broken away from because of rocking or vibrating from socket connector.

Another purpose of the present utility model is to provide a kind of socket connector with bayonet unit, and its bayonet unit is simple to operate, can be easily with the CPU fastening or get loose the packaging efficiency height.

A purpose more of the present utility model is to provide a kind of socket connector, the alternative assembling of its bayonet unit, and easily change, adapt to different instructions for uses.

For achieving the above object, the utility model adopts following technical scheme: zero-force connector for socket is used for central processing unit (CPU) and circuit board are electrically connected, it comprises members such as pedestal, lid, actuator, plurality of conductive terminals and bayonet unit, wherein the pedestal group is located on the circuit board, it has a body that slightly is square, some pilot holes vertically are applied in this body, also are provided with groove on above-mentioned body, and a guidance part one is connected pedestal one end; Lid is assembled on the pedestal slidably, it also has a body that slightly is square, what plurality of holes was vertical is applied in this body, and these holes align with the corresponding pilot hole of pedestal respectively, on above-mentioned body, be provided with through hole in addition, one covering part one is connected lid one end, and aligns with the guidance part of pedestal; The plurality of conductive terminals group is put in the corresponding pilot hole of pedestal, to engage with the CPU pin; Actuator is assembled between pedestal and the lid, move between first and second position in order to drive lid, wherein when primary importance, CPU pin and conducting terminal are separated, and when the second place, CPU pin and conducting terminal electrically connect, and described actuator comprises one at least and is located in the guidance part of pedestal and is positioned at the rotation section of the covering part below of lid; Bayonet unit comprises the buckling piece of organizing in the groove that is located at pedestal and passing the through hole of lid, and the fastener that is arranged on pedestal one side, buckling piece has buckling end, on fastener, also be provided with the button piece, above-mentioned buckling piece and fastener lay respectively at the pilot hole both sides of pedestal, described buckling piece can be with moving of lid is pivoted with the groove, and by its buckling end fastening or unclamp the CPU that is installed in the lid top, described fastener then provides good snap effect by its button piece to CPU.

Compared with prior art, Zero insertion connector with above-mentioned feature can make the firm with it winding of CPU, avoid CPU to be broken away from because of rocking or vibrating from socket connector, its bayonet unit is simple to operate, can be easily with the CPU fastening or get loose packaging efficiency height, and alternative assembling, and easily change, adapt to different instructions for uses.

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

Fig. 1 is the combination side direction view of existing socket connector and cpu package fastener.

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

Fig. 3 is the stereogram of pedestal, terminal and the buckling piece of the utility model zero-force connector for socket.

Fig. 4 is the stereogram of the lid of the utility model zero-force connector for socket, wherein cuts the covering part that some is positioned at the button pawl of its below with demonstration and is positioned at its rear.

Fig. 5 is the stereogram of the actuator of the utility model zero-force connector for socket.

Fig. 6 is the partial schematic sectional view along the 5th figure A-A direction.

Cross-sectional schematic (along the B-B direction of Fig. 3) when Fig. 7 just has been assembled into pedestal for the buckling piece of the utility model zero-force connector for socket.

Fig. 8 for the buckling piece group of the utility model zero-force connector for socket go into pedestal after CPU do not organize fashionable cross-sectional schematic (along the B-B direction of Fig. 3) as yet.

Fig. 9 organizes into the side direction view before the utility model zero-force connector for socket for CPU.

Figure 10 organizes the side direction view that bayonet unit fastens CPU behind the utility model zero-force connector for socket for CPU.

See also shown in Figure 2, the utility model zero-force connector for socket 1 includes a pedestal 10, a lid 40, a buckling piece 60, an actuator 70 and plurality of conductive terminals 80, this lid 40 slidably is installed on the pedestal 10 by the driving of actuator 70, rectangular through-hole 46 and group that buckling piece 60 runs through lid 40 are located in the respective slot 30 of pedestal 10, but constitute the interlock state with lid 40,80 of plurality of conductive terminals are housed in the pilot hole 12 of pedestal 10.

Continuous please the cooperation consulted Fig. 3, and wherein said pedestal 10 includes and the body 11 that be square made by insulating material, and is provided with an opening 14 therein.Some pilot holes separated from one another 12 vertically are applied among the pedestal 10, in order to accommodate some corresponding terminals 80 respectively; Some cushion blocks 16 separated from one another are positioned at the bottom surface periphery of pedestal 10, so that place on the circuit board (not shown), wherein a cushion block 16,16 ' extends suitable length in the horizontal, in order to the base as actuator 70.Some fixture blocks 18 separated from one another are distributed in the apical margin position of pedestal 10 two sides; Be wholely set a guidance part 20 in pedestal 10 rear ends, this guidance part 20 includes lower seat portion 22 and two following Actuator Divisions 24 that lay respectively between the lower seat portion 22 of three each intervals.A stop section 26 is positioned at an end of this guidance part 20, in order to limit the suitable rotation of this actuator 70.Other has a fastener 28 to be wholely set in the front end side wall of pedestal 10 bodies 11 and extends certain altitude vertically upward and form a head 29, extend horizontally away a button piece 291 at head 29 to guidance part 20 directions.Next-door neighbour's guidance part 20 places are provided with a groove 30 between above-mentioned some pilot holes 12 and guidance part 20, in order to accommodate buckling piece 60.This groove 30 is recessed to form downwards from pedestal 10 bodies 11 upper surfaces, its lower surface is curved substantially, comprise the first surface 32 and second curved surface 33 (ginseng Fig. 7,8), contiguous pilot hole 12 1 side two ends are provided with a square shaped baffle plate 31 and the frame mouth that makes above-mentioned groove 30 be positioned at body 11 upper surfaces roughly is short "T"-shaped on groove 30 tops.

Buckling piece 60 is housed in the groove 30 of pedestal 10, it has a square main part 61, these main part 61 basal surfaces 64 are the semicircle curved surface, autonomous body 61 tops are extended a pair of circular shaft shape protuberance 63 that diameter equates with main part 61 thickness to extending a buckling end 62 perpendicular to main part 61 surface direction from main part 61 bottoms to both sides.The fastener 28 of buckling piece 60 and pedestal 10 has been formed the bayonet unit of the utility model zero-force connector for socket.

See also Fig. 4 again, lid 40 includes the body that slightly is square 41 of an insulation material, and part has an opening 42 in the central.Plurality of holes 44 is vertical run through lid 40 and respectively with pedestal 10 on pilot hole 12 align mutually, like this, the pin 86 of central processing unit (CPU) 85 (Fig. 9 with reference to) can be passed down through the hole 44 and the group of lid 40 and go in the pilot hole 12 of pedestal 10.Two side 43,45 is extended downwards by the relative both sides of above-mentioned square body 41, adjacent sidewall 43,45 places at square body 41 upper surfaces are provided with some flutings 48, inwards protrude at sidewall 43,45 lower edges and to be provided with some button pawls 49 separated from one another, these button pawls 49 are aimed at above-mentioned fluting 48 in vertical direction respectively.And lid 40 can be by detaining pawl 49 and being fixed on the pedestal 10 cooperating of fixture block 18 on the pedestal 10 by these.Covering part 50 one are connected lid 40 rears, and it includes three and goes up bearing portion 52, the lower seat portion 22 on the guidance part 20 of aiming at pedestal 10 on the upright position respectively; And have two and go up Actuator Division 54, the following Actuator Division 24 on the guidance part 20 of aiming at pedestal 10 on the upright position respectively; Projection 56 is protruded out by the outer surface of right side wall 43, in order to actuator 70 is fixed on horizontal level.In addition, be provided with a rectangular through-hole 46 between above-mentioned covering part 50 and hole 44, its length is a bit larger tham the width of buckling piece 60 main parts 61, but less than the length of buckling piece 60 bottoms, that is the distance between protuberance 63 both ends of the surface of buckling piece 60.This rectangular through-hole 46 is aimed at the above-mentioned groove 30 of pedestal 10 in vertical direction, passes through for the buckling end 62 and the main part 61 of buckling piece 60.

See also Fig. 5 again, the actuator 70 of " L " shape include one outside pedestal 10 right side walls handle portion 72 and the rotation section 74 between the covering part 50 of guidance part 20 that is sandwiched between pedestal 10 and lid 40, this rotation section 74 includes three circular pivot separated from one another 76, and 76 on this pivot is by in the lower seat portion 22 of the rotatable guidance part 20 that is fixed on pedestal 10; This rotation section 74 further includes two and is disposed on the driving shaft 78 that 76 on pivot and cross section are the cam configuration respectively, be used to drive the last Actuator Division 54 of covering part 50 and make lid 40 do to move relative to the sagittal of pedestal 10, these driving shaft 78 cross-sectional configuration as shown in Figure 6.Free end at handle portion 72 has been bent to form an offset part 73 obliquely, and this offset part 73 is parallel with the major part of handle portion 72, operates this actuator 70 in order to the user; The inner surface of this handle portion 72 also is provided with a recess 75, in order to cooperate projection 56 on the lid 40 so that this actuator 70 is positioned horizontal level.

During assembling, as shown in Figure 7, earlier buckling piece 60 orthogonal sets are gone in the groove 30 of pedestal 10, its main part 61 basal surfaces 64 and protuberance 63 bottom surfaces slide onto second curved surface, 33 places (Fig. 8 with reference to) along the first surface 32 of groove 30, and the stopping of protuberance 63 of 31 pairs of buckling pieces 60 of baffle plate of groove 30 tops by pedestal 10 is positioned on the groove 30 buckling piece 60.Then lid 40 is assembled in pedestal 10 tops, and the buckling end 62 that makes buckling piece 60 passes the rectangular through-hole 46 of lid 40 and protrudes out lid 40 tops (as shown in Figure 8), simultaneously the rotation section 74 of actuator 70 is interposed between the covering part 50 of the guidance part 20 of pedestal 10 and lid 40, in the process that lid 40 presses down, its left and right sides sidewall 45 and 43 lower edge can outwards be out of shape along the fixture block 18 at pedestal 10 edges, until its lower edge till the cushion block 16 of motor seat 10, at this moment, the sidewall of this pedestal 40 also is returned to its normal upright position, button pawl 49 on the lid 40 is also detained on the fixture block 18 that is held in pedestal 10 simultaneously, and makes lid 40 be unlikely to break away from vertical direction this pedestal 10.In addition, because the rectangular through-hole 46 of lid 40 is less than buckling piece 60 bottom lengths, buckling piece 60 can not spin off from above-mentioned rectangular through-hole 46.

Further, the sidewall 55 and 55 ' at 54 two ends, last Actuator Division of the covering part 50 of lid 40 then fixes driving shaft 78 surfaces (ginseng Fig. 6) in the rotation section 74 of actuator 70, at this moment, because gyration can only be done in the rotation section 74 of actuator 70 in the lower seat portion 22 of the guidance part 20 of pedestal 10, thereby lid 40 can only be moved on forward and backward direction; Under this situation, group is located at pivot 76 in the lower seat portion 22, limits owing to be positioned at the Actuator Division of its side in the horizontal, so makes actuator 70 be sandwiched between between the guidance part 20 of the covering part 50 of lid 40 and pedestal 10 and can not deviate from.

Please consult Fig. 8 and Fig. 9 simultaneously, after the assembling of the utility model Zero insertion connector is finished, the handle portion 72 of actuator 70 is perpendicular to pedestal 10 directions, the circular shaft face of the protuberance 63 of buckling piece 60 fits tightly at second curved surface, 33 places of the groove 30 of pedestal 10 and rectangular through-hole 46 sidewalls that its main part 61 recedes and is shelved on lid 40, between the button piece 291 of its buckling end 62 and fastener 28 heads 29 apart from be able to make CPU vertically downward by and be plugged on the connector.Then, with the handle portion 72 of actuator 70 by the upright position to the horizontal level switching, rotation section 74 is rotated in the guidance part 20 of pedestal 10, and the vertical sidewall 55 ' that makes driving shaft 78 surfaces promote the last Actuator Division 54 of lid 40 moves forward, and then driving lid 40 move forward.With lid 40 slippages, the CPU85 pin 86 that group is put on socket connector will move to the second place with terminal 80 butt conductings by originally being contained in pedestal 10 pilot holes 12 in primary importance with terminal 80 disengagings, thereby reach the electric connection of 80 of pin 86 and terminals, this process is the winding mode of so-called zero insertion force.See also Figure 10, the mobile buckling piece 60 that can drive of lid 40 serves as that axle rotates to the upright position by obliquity with groove 30, and the CPU85 front end is slipped in the button piece 291 of fastener 28 heads 29 and hold fixing, the CPU85 rear end is fastened by the buckling end 62 of buckling piece 60, so, the front and back end of CPU85 is all fastened, make itself and the firm winding of socket connector, avoid CPU to be broken away from because of rocking or vibrating from socket connector, and these bayonet units are simple to operate, and packaging efficiency is higher.Simultaneously, buckling piece 60 is easily changed because be independent moulding manufacturing, and alternative assembling, and socket connector also can normally not use when not adorning this buckling piece, adapts to different instructions for uses.In addition, the bayonet unit of the utility model Zero insertion connector is also applicable to the socket connector that is assembled with the cpu package of being made up of CPU and heat abstractor, need only be with the main part 61 and the corresponding proper extension of fastener 28 main bodys of buckling piece 60, the buckling end 62 of buckling piece 60 and the 291 corresponding suitably extensions forward of the button piece of fastener 28, can withhold heat abstractor according to principle of the present utility model, and fastener that need not be extra.

When desire is taken out CPU85 in by socket connector, with the handle portion 72 of actuator 70 by the horizontal level switching to the upright position, the rotation section 74 of actuator 70 is rotated in the guidance part 20 of pedestal 10, the vertical sidewall 55 of Actuator Division 54 moves backward and make driving shaft 78 promote upward, and then it is mobile backward to drive lid 40, make buckling parts 60 return back to obliquity shown in Fig. 8,9, make the pin 86 of CPU85 move backward to the second place of pilot hole 12 simultaneously, thereby can take out CPU85 at the state of zero withdrawal force.

Claims (10)

1. zero-force connector for socket, be used for central processing unit (CPU) and circuit board are electrically connected, it comprises members such as pedestal, lid, conducting terminal, actuator and bayonet unit, wherein the pedestal group is located on the circuit board, it has a body, and some pilot holes vertically are applied in this body; Lid is assembled on the pedestal slidably, and it also has a body, and plurality of holes vertically is applied in this body, and these holes are corresponding with the pilot hole of pedestal respectively; The corresponding group of plurality of conductive terminals is put in the pilot hole of pedestal, in order to engage with the pin of central processing unit; Actuator is assembled between pedestal and the lid, moves between first and second position in order to drive lid, and wherein when primary importance, central processing unit pin and conducting terminal are separated, and when the second place, central processing unit pin and conducting terminal electrically connect; It is characterized in that: on base body, also be provided with groove, on the lid body, be provided with through hole in addition, described bayonet unit comprises in the groove that is located at pedestal and passes the buckling piece of the through hole of lid, and the fastener that is arranged on pedestal one side, buckling piece has buckling end, on fastener, also be provided with the button piece, above-mentioned buckling piece and fastener lay respectively at the pilot hole both sides of pedestal, described buckling piece can be with moving of lid is pivoted with the groove, be installed in the central processing unit of lid top by its buckling end fastening, described fastener then provides good snap effect by its button piece to central processing unit.

2. zero-force connector for socket as claimed in claim 1 is characterized in that: a guidance part one is connected pedestal one end, and a covering part one is connected in lid one end, and aligns with the guidance part of pedestal.

3. zero-force connector for socket as claimed in claim 2, it is characterized in that: the groove of pedestal is located at next-door neighbour's guidance part place between above-mentioned pilot hole and the guidance part, and be recessed to form downwards from the base body upper surface, its lower surface is curved substantially, comprises the first surface and second curved surface.

4. zero-force connector for socket as claimed in claim 3 is characterized in that: contiguous pilot hole one side two ends are provided with a square shaped baffle plate and the frame mouth that makes groove be positioned at the body upper surface roughly is short "T"-shaped on above-mentioned groove top.

5. zero-force connector for socket as claimed in claim 4 is characterized in that: but buckling piece and lid constitute the interlock state, its independent moulding manufacturing has a square main part, and this main part basal surface is the semicircle curved surface.

6. zero-force connector for socket as claimed in claim 5, it is characterized in that: above-mentioned buckling piece to extending a buckling end perpendicular to the main part surface direction, extends a pair of circular shaft shape protuberance that diameter equates with main part thickness from bottom part body to both sides from its main part top.

7. zero-force connector for socket as claimed in claim 6 is characterized in that: fastener is wholely set in the front end side wall of base body and also extends certain altitude vertically upward and form a head, extend horizontally away a button piece at head to the guidance part direction.

8. zero-force connector for socket as claimed in claim 7 is characterized in that: be provided with a rectangular through-hole between the covering part of lid and hole, aim at the above-mentioned groove of pedestal in vertical direction, pass through for the buckling end and the main part of buckling piece.

9. zero-force connector for socket as claimed in claim 8 is characterized in that: the length of above-mentioned rectangular through-hole is a bit larger tham the width of buckling piece main part, but less than the buckling piece bottom lengths, that is the distance between the protuberance both ends of the surface of buckling piece.

10. zero-force connector for socket as claimed in claim 9, it is characterized in that: second curved surface of the bottom of the groove of the main part basal surface of buckling piece and the circular shaft face of protuberance and pedestal fits tightly, and the rectangular through-hole sidewall that its main part recedes and is shelved on lid, can turn to position forward with moving of lid, and locate by the stopping of baffle plate of groove perpendicular to base body.

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