CN2562426Y

CN2562426Y - Plug seat connector

Info

Publication number: CN2562426Y
Application number: CN 02241740
Authority: CN
Inventors: 陈显荣; 李仁志; 黄耀諆
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: 2002-07-11
Filing date: 2002-07-11
Publication date: 2003-07-23
Anticipated expiration: 2012-07-11

Abstract

The utility model discloses a socket connector for electrically a CPU onto a circuit board, which comprises a pedestal, a cover, a plurality of conductive terminals, and a driver with a threaded block, wherein the pedestal is provided thereon with a plurality of terminal holes in array and a storage chamber arranged on one side thereof; the conductive terminals are stored inside the plurality of terminal holes; the cover is slidably arranged on the pedestal; and the driver is assembled on the pedestal and the cover and can drive the cover to slide along the pedestal. When the lift range of the threaded block is maximal, the rotation angle of the driver and the socket connector are in closing position and the rotation angles of the driver have a certain interval. Therefore, the utility model can improve the contact condition between the cover and the threaded block at high temperature and prevent the deformation-induced wearing of the threaded block.

Description

Socket connector

[technical field]

The relevant a kind of socket connector of the utility model refers to a kind of zero-force connector for socket that the wafer module can be connected on the printed circuit board (PCB) especially.

[background technology]

Usually, zero-force connector for socket is widely used in computer industry, in order to accept wafer module (as CPU) and it is mounted on the circuit board.United States Patent (USP) the 5th, 730, No. 615, the 5th, 597, No. 318, the 5th, 489, No. 217, the 5th, 456, No. 613 and Taiwan flag news Science and Technology Co., Ltd. publish " RUN! PC " the 33rd page of illustration of version in January calendar year 2001 all disclosed several frequently seen socket connector.Usually, these socket connectors comprise the pedestal in a tool plurality of terminals hole, have been installed with plurality of conductive terminals in these terminal holes, and the lid of slip is installed on pedestal, and a drive member and above-mentioned pedestal and lid are connected with group.Enable possition when this drive member is in released state in order to drive lid along the conducting terminal from the pin of CPU and pedestal slides onto the make position of the pin of CPU and electric connection mechanical mutually with the conducting terminal of pedestal, then drive member is placed off-position.Because the both sides of the threaded block of drive member are parallel to each other, the edge that has only threaded block to rotate to its drive surface could make the stroke of lid reach maximum, and this moment the end of threaded block and lid between will bear a bigger extrusion stress, this stress can cause the threaded block generation plastic deformation of kirsite in high and low temperature environment, thereby causes the threaded block loss.Cause lid along pedestal slippage stroke deficiency thus, lid can't arrive both allocations, thereby influences the electric connection effect of the conducting terminal of the pin of CPU and socket connector.Relevant prior art also can be with reference to No. the 6th, 280,223, the United States Patent (USP) of bulletin on August 28 calendar year 2001.Therefore, be badly in need of a kind of socket connector of improvement to overcome above-mentioned shortcoming.

[summary of the invention]

The purpose of this utility model is to provide a kind of socket connector, can reduce the contact stress when off-position between lid and the drive member, prevents that threaded block from wearing and tearing.

The purpose of this utility model is achieved in that socket connector of the present utility model is used to electrically connect CPU to circuit board, pedestal, lid, plurality of conductive terminals and have the drive member of threaded block, wherein pedestal is provided with the plurality of terminals hole that is arranged, and is provided with receiving space in the one side; Conducting terminal is contained in the above-mentioned plurality of terminals hole; Lid is slidingly mounted on the said base; Drive member is slided along pedestal in order to drive lid, and threaded block rotates the drive lid and slides with respect to pedestal; The certain angle in interval between the corner of drive member when the corner of drive member and socket connector were in the closed position when the threaded block lift was maximum.So, can make threaded block in last 10-20 degree stroke, can be used as the Stress Release effect, thereby improve the plastic deformation that takes place under the hot environment and cause the phenomenon of wearing and tearing.

Compared with prior art, the utlity model has following advantage: during the position avoiding socket connector to be in closing, the lift maximum of drive member threaded block, thus prevent to produce huge extrusion stress, improved the plastic deformation of threaded block under the hot environment, prevented that threaded block from wearing and tearing.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model socket connector.

Fig. 2 is the constitutional diagram of the drive member of socket connector shown in Figure 1 when in the closed position.

Fig. 3 is the schematic diagram that amplify the part of Fig. 1 drive member.

Fig. 4 is that the utility model socket connector is at the schematic diagram that closes contact stress between closed procedure middle cover body and the threaded block.

The schematic diagram that Fig. 5 amplifies for the part of existing drive member.

[embodiment]

Please refer to Fig. 1, the utility model socket connector 1 is a kind of zero-force connector for socket, and it comprises pedestal 10, place on the pedestal 10 lid 20 slidably and be connected to drive member 30 on lid 20 and the pedestal 10.

Pedestal 10 is provided with some terminal holes 11 of arranged that are in order to accommodate conducting terminal (not shown), one end on pedestal 10 surfaces is provided with a host cavity 12, the pair of parallel that is provided with two sides of host cavity 12 runs through the groove 16 on the upper and lower surface of socket, and near the of host cavity 12 is provided with one perpendicular to two grooves 16 and run through the opening 15 of pedestal 10 in pedestal 10.The both side edges that parallels with groove 16 on the pedestal 10 is provided with guidance part 13, and the position relative with opening 15 stretches out from pedestal 10 and be provided with a fixed part 14.

Please refer to Figure 1 and Figure 2, lid 20 is provided with the some pin holes 21 that are arranged, and arranging of these pin holes 21 is identical with arranging of the terminal hole 11 of pedestal 10, inserts for the pin (not shown) of wafer module.Be provided with through hole 22 in a side of lid 20 with respect to host cavity 12 positions of pedestal 10.In addition, extend a pair of latch hook (not shown) downwards in the both sides of through hole 22, this can pass the groove 16 of pedestal 10 to latch hook and be snapped on the pedestal 10.In addition, be provided with sliding part 23 in the both sides of lid 20, sliding part can slide along the guidance part 13 of pedestal 10.

Please refer to Fig. 1 and shown in Figure 3, drive member 30 comprises drive screw 32 that can be contained in pedestal 10 host cavities 12 and the motion arm 31 that extends to form perpendicular to drive screw 32, and this drive screw 32 can be contained in respectively in the host cavity 12 and fixed part 14 of pedestal 10 with motion arm 31.Drive screw 32 has threaded block 33, slide along pedestal 10 to drive lid 20, one side of threaded block 33 is scraggly drive surface, opposite side is the plane, wherein be positioned at the motion mark point that point on the drive surface edge is threaded block, and the motion mark point on the drive surface is also incomplete same to the distance on the another side relative with it, and apart from the mark point of maximum between the both end sides edge of drive surface, mark point to the distance on the plane of opposite side that is both end sides on the drive surface is not maximum, and above-mentioned mark point apart from maximum can be described as the highest salient point.When socket connector by being opened in the process of closing, being positioned at motion mark on the drive surface, to put the distance of opposite face be to increase gradually, when socket connector during near off-position, when socket connector during near off-position, when promptly reaching the highest salient point E, it is maximum that the screw thread lift also reaches, and the pin of CPU contacted fully with the conducting terminal (not shown) of socket connector 1 and formed electric connection this moment.Along with the continuation of threaded block 33 rotation, promptly mark point moves in the process that F orders from the E point, and the distance that mark is put opposite face is to reduce gradually, and during to F point place, motion arm 31 is horizontal and is closed condition.The corner of threaded block 33 differed the 10-20 degree when thereby the corner of threaded block 33 and socket connector were in the closed position when making threaded block lift maximum.Promptly work as motion arm 31 and be positioned at before the horizontal level, threaded block 33 is urged to lid 20 end-state that the CPU and the conducting terminal of socket connector 1 are contacted fully.Motion mark point when the motion mark point when making screw thread lift maximum is closed with socket connector is positioned at the diverse location place, thereby overcomes the shortcoming of prior art.And when motion arm 31 from horizontal closed position when the vertical unlocking position rotates, mark is named a person for a particular job and is crossed the E point and the electric connection between the conducting terminal of the pin of CPU and socket connector 1 is disconnected by the F point.

Please continue with reference to Fig. 1, socket connector 1 also includes cover plate 40, geometrical clamp 50 and pair of locking plate 60.Wherein, cover plate 40 is to be made of metal, and in order to the through hole 22 of sealing lid 20, is provided with in cover plate 40 and is the threaded block 33 of erose containing hole 41 in order to accommodate drive member 30.Geometrical clamp 50 can be connected in the opening 15 of pedestal 10.Pair of locking plate 60 can be placed in the groove 16 of pedestal 10 in order to prevent that lid 20 from coming off in pedestal 10.

During assembling, drive member inserts in the pedestal 10 for 30 groups, and simultaneously, drive screw 32 is contained in the host cavity 12, one end and geometrical clamp 50 butts that are positioned at opening 15, and motion arm 31 is placed in the fixed part 14.50 groups of openings 15 that insert pedestal 10 of geometrical clamp.The through hole 22 of lid 20 is covered by cover plate 40 and is combined into one, then with pedestal 10 windings, the latch hook of lid 20 is organized respectively in the groove 16 that inserts corresponding pedestal 10, be plugged in 60 interference of pair of locking plate in the groove 16 and be positioned and to prevent that thus lid 20 and pedestal 10 are separated by the latch hook.The motion arm 31 of drive member 30 can be rotated to obliquity or be made reverse motions by horizontal level during use, lid 20 with respect to pedestal 10 along the motion of " A " directions, thereby making that pin and the conducting terminal of socket connector 1 of CPU is electrical contacts or disconnects.

Please refer to Fig. 3 to shown in Figure 5, wherein to be socket connector close the contact stress variation diagram between the threaded block 33 and lid 20 in the closed procedure by opening to Fig. 4.Wherein Y-axis is represented the angle that motion arm 31 is begun to rotate by open position, and X-axis is represented the contact stress between threaded block 33 and the lid 20.The A curve is formed by existing socket connector, because its drive surface is a plane, when socket connector is in when closing, the contact point E ' between threaded block 33 and the lid 20 just is a screw thread lift maximum, and the contact stress between this moment threaded block and the lid is maximum and remains unchanged always.The B curve is the contact stress variation diagram between the utility model socket connector threaded block 33 and the lid 20, please consult the B curve among Fig. 3 and Fig. 4 simultaneously, rotation along with motion arm 31, contact stress increases gradually, during to the position that will close, when being motion arm 31 rotation Q1 angles, the highest salient point E contacts with lid 20, this moment, contact pressure reached maximum, along with motion arm turns to the Q3 angle when being off-position, the F point of threaded block 33 contacts with lid 20, threaded block 33 and lid 20 contact stress are less than maximum contact stress, thereby avoid the contact-making surface between threaded block 33 and the lid 20 when closing, to bear bigger extrusion stress, the threaded block 33 that prevents kirsite plastic deformation and cause wearing and tearing under the condition of high temperature.

Claims

1. a socket connector can be electrically connected to CPU on the circuit board, and it comprises pedestal, lid, plurality of conductive terminals and drive member, and wherein pedestal is provided with the plurality of terminals hole that is arranged; Conducting terminal is contained in the above-mentioned plurality of terminals hole; Lid is slidingly mounted on the said base; Drive member is in order to driving lid along the pedestal slippage, it includes the drive screw that is installed on the pedestal, be positioned on the drive screw and can with contacted threaded block of lid and the motion arm that is connected with drive screw; It is characterized in that: a side of threaded block is scraggly drive surface, opposite side is the plane, wherein be positioned at the motion mark point that point on the drive surface edge is threaded block, and the motion mark point on the drive surface is also incomplete same to the distance on the another side relative with it, and apart from the mark point of maximum between the both end sides edge of drive surface, mark point to the distance on the plane of opposite side that is both end sides on the drive surface is not maximum, above-mentioned mark point apart from maximum can be described as the highest salient point, when socket connector by being opened in the process of closing, threaded block produces rotation, its drive surface promotes lid and moves, the stroke of threaded block increased before this gradually, when going to its highest salient point place, the threaded block lift peaks, CPU contacted fully and electrically connected with conducting terminal this moment, and then threaded block is rotated, its stroke just reduces gradually, go to the edge of threaded block until it, the certain angle in interval between the corner of threaded block when the corner of threaded block and socket connector were in the closed position when the threaded block lift was maximum.

2. socket connector as claimed in claim 1 is characterized in that: pedestal also has the host cavity of accommodating drive screw, the guidance part that slidably engages with lid and the fixed part of accommodating the drive member motion arm.

3. socket connector as claimed in claim 2, it is characterized in that: the terminal hole position corresponding to pedestal on the lid is provided with some pin holes are accommodated CPU in order to the mating terminals hole pin, it has sliding part and perforate, and the sliding part of lid can slide on the guidance part of pedestal.

4. socket connector as claimed in claim 1 or 2 is characterized in that: have the through hole that can accommodate threaded block on the lid.

5. socket connector as claimed in claim 3 is characterized in that: socket connector also includes cover plate, geometrical clamp and lockplate.

6. socket connector as claimed in claim 1 is characterized in that: interval 10-20 degree between the threaded block corner when threaded block corner when the threaded block lift is maximum and socket connector are in the closed position.

7. socket connector as claimed in claim 6, it is characterized in that: when reaching threaded block lift maximum, contact stress maximum between threaded block and the lid, when motion arm turns to socket connector when being in the position of closed condition, the contact stress between drive screw and the lid is less than maximum contact stress.