CN201153182Y - Socket connector with zero inserting force - Google Patents

Abstract

The utility model relates to a zero insertion force socket connector which comprises a substrate, a cover body and a driving piece, wherein, the cover body can be arranged on the substrate in a sliding way; the cover body has a body and two lateral plates; the driving piece is arranged between the substrate and the cover body which can be driven by the driving piece and move correspondingly to the substrate between an open position and a closed position; the connecting parts of the body and the two lateral plates of the cover body are respectively integrally formed into a reinforced rib which is parallel to the lateral plates; each reinforced rib is respectively connected with the inner wall surface of the body and the lateral plates; the two sides of the upper surface of the substrate are respectively formed with a step groove which is corresponding to each reinforced rib; the step grooves are used for holding the two reinforced ribs, thereby the strength of the cover body is increased, the cover body deformation caused by the resistance which is generated by the contact of the pin of a chip module and the terminal of the substrate can be reduced better during the chip module assembly process, and the effects of low cost and easy manufacture are available.

Description

Zero-force connector for socket

Technical field

The utility model relates to socket connector, relates in particular to a kind of in order to chip module is electrically connected to the zero-force connector for socket of circuit board.

Background technology

Existing zero-force connector for socket is in order to chip module is electrically connected to circuit board, as M250387 number disclosed electric connector of TaiWan, China patent, include a pedestal, a lid and an actuator, this actuator is a cam, and this lid can be driven by this actuator and move between an open position and an off-position relative to this pedestal.

In addition, No. 568457 disclosed electric connector of TaiWan, China patent includes a matrix, a lid and an actuator, and this actuator is a motion arm, and this lid can be driven by this actuator and move between an open position and an off-position relative to this matrix.

The above-mentioned disclosed electric connector of M250387 patent " lid be to be covered on the pedestal; this lid comprises that one is provided with body and two side plates of a plurality of through holes; and the inner face of two side plates is concaved with catching groove, accommodates the fixture block of pedestal and its certain slipping space (No. 568457 disclosed electric connector of patent of TaiWan, China also has corresponding structure) is provided with correspondence.

Before not placing chip module, lid does not have any problem with respect to the slippage of pedestal, but when socket connector is placed chip module (this moment chip module stitch not with the termination contact of pedestal) at open position, and when moving (this moment chip module stitch can with the termination contact of pedestal) toward off-position, the resistance that is produced during termination contact that this lid can bear chip module stitch and pedestal, and easily make this lid produce torsional deformation, especially now spare part is all towards frivolous, short and small trend development, the situation that the thick thin lid of meat produces torsional deformation is serious especially.

For addressing the above problem, No. 454970 disclosed electric connector for socket of TaiWan, China patent, No. 456637 disclosed pin grid array package body and function socket and U.S. Pat 6692280, install metal assembly (or strengthening frame) respectively additional in the lid both sides, in order to strengthen cover body structure, no matter yet those metal assemblies are to be arranged at lid with assembling mode or molded to imbed (insert mold) mode, all can increase operation, increase the degree of difficulty that more cost and increase are made.

Summary of the invention

Main purpose of the present utility model, being to provide a kind of zero-force connector for socket, it can increase lid intensity, and in the process of assembling chip module, the resistance that produces in the time of can reducing the termination contact because of the stitch of chip module and pedestal preferably causes the lid distortion.

Another purpose of the present utility model, being to provide a kind of zero-force connector for socket, the effect that it has low cost and is easy to make.

In order to realize above-mentioned purpose, the utility model provides a kind of zero-force connector for socket, comprising: a pedestal, and it has a upper surface and a lower surface, be provided with a plurality of terminal accommodation holes between this upper surface and this lower surface, respectively contain terminal in those terminal accommodation holes; One lid, it is mounted slidably on this pedestal, the side plate that this lid has a body and extended by these body both sides, this body is provided with a plurality of through holes corresponding to the terminal accommodation hole; And an actuator, its be located between this pedestal and this lid with drive this lid relatively this pedestal slide; One-body molded one ribs parallel with side plate distinguished in the body of this lid and two side plate joints, each ribs is connected with the internal face of body and side plate respectively, the upper surface both sides of this pedestal form a pair of rank groove that should ribs respectively, to accommodate this two ribs.

Compared with prior art, zero-force connector for socket of the present utility model has following useful effect: in body and two one-body molded ribs of side plate joint difference of lid, thereby increase the intensity of lid, in the process of assembling chip module, the resistance that produces in the time of can reducing the termination contact because of the stitch of chip module and pedestal preferably causes the lid distortion, and ribs is to be shaped on the lid, the effect that has low cost and be easy to make.

Description of drawings

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

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

Fig. 3 is the front view of the utility model zero-force connector for socket.

Fig. 4 is the vertical view of the utility model zero-force connector for socket.

Wherein, description of reference numerals is as follows:

1 pedestal

11 upper surfaces

12 lower surfaces

13 terminal accommodation holes

14 fixture blocks

15 holes

16 axis holes

17 rank grooves

18 terminals

2 lids

21 bodies

22 side plates

23 through holes

24 catching grooves

25 front ends

26 rear ends

27 lid holes

28 ribs

3 actuators

31 pedestals

32 axle center

33 eccentric cams

Embodiment

See also Fig. 1 to Fig. 4, the utility model provides a kind of zero-force connector for socket, this socket connector can be in order to be electrically connected to circuit board with chip module, comprise a pedestal 1, one lid 2 and an actuator 3, wherein this pedestal 1 is to make with insulating material (plastics), and rectangular plate body shape, it has a upper surface 11 and a lower surface 12, be provided with a plurality of terminal accommodation holes 13 between this upper surface 11 and this lower surface 12 corresponding to the chip module stitch, those terminal accommodation hole 13 arrayed are on this pedestal 1, respectively contain a terminal 18 in those terminal accommodation holes 13, those terminal 18 lower ends can be electrically connected on circuit board.These pedestal 1 both sides are provided with a plurality of fixture blocks 14, and the centre position of nearly rear end is provided with a hole 15 on this pedestal 1, and these 15 centers, hole are provided with an axis hole 16, can be in order to this actuator 3 to be installed.Upper surface 11 both sides of this pedestal 1 are formed with single order groove 17 respectively.

This lid 2 is made with insulating material (plastics), and rectangular lid shape, the side plate 22 that it has a body 21 and is extended downwards by these body 21 both sides, this body 21 is provided with a plurality of corresponding to terminal accommodation hole 13 and can hold the through hole 23 of the stitch of chip module, and the inner face of these two side plates 22 is concaved with most the catching grooves 24 corresponding with fixture block 14.This lid 2 has a front end 25 and a rear end 26, on the body 21 of this lid 2 centre position of nearly rear end 26 be provided with one with these 15 corresponding lid holes 27, hole.The body 21 of this lid 2 and two side plate 22 joints are one-body molded one ribs 28 parallel with side plate 22 respectively, each ribs 28 is connected with the internal face of body 21 and side plate 22 respectively, these two ribs 28 are corresponding to these two rank grooves 17, the two ends of this ribs 28 are concordant with the front end 25 and the rear end 26 of this lid 2 respectively, or the front end 25 and the rear end 26 of close this lid 2.

This lid 2 is mounted slidably on this pedestal 1, and catching groove 24 correspondences of two side plate 22 inner faces of this lid 2 are accommodated the fixture block 14 of these pedestal 1 both sides and its certain slipping space is provided.The rank groove 17 of upper surface 11 both sides of this pedestal 1 is accommodated two corresponding ribs 28.

This actuator 3 can be the actuator of cam, motion arm or other form, this actuator 3 is a cam in the present embodiment, this actuator 3 has a pedestal 31, an axle center 32 is extended at these pedestal 31 centers downwards, these pedestal 31 upper ends then connect an eccentric cam 33, and this eccentric cam 33 is eccentric with pedestal 31, axle center 32 and is provided with.The pedestal 31 of this actuator 3 and axle center 32 are contained in rotationally, respectively in the seat hole 15 and axis hole 16 of corresponding pedestal 1, and the eccentric cam 33 of this actuator 3 is contained in the lid hole 27 of lid 2 rotationally, this actuator 3 is located between this pedestal 1 and this lid 2, thereby is made this actuator 3 and this pedestal 1 and lid 2 interlocks.This actuator 3 is a cams in the present embodiment, but also can be the motion arm form, as the TaiWan, China structure that No. 568457 patent disclosed, no matter be that the actuator of cam or motion arm form is all ripe prior art, realizes by skilled personnel easily.Rotation by this actuator 3 can make this lid 2 move between an open position and an off-position relative to this pedestal 1, when socket connector moves toward off-position, the chip module stitch that is contained in the through hole 23 of lid 2 promptly can contact with the terminal 18 in the pedestal 1, in order to chip module is electrically connected to circuit board.

The utility model mainly is in the body 21 of lid 2 and two one-body molded ribs 28 of side plate 22 joints difference, thereby increase the intensity of lid 2, in the process of assembling chip module, can reduce the resistance that produces when stitch because of chip module contacts with the terminal 18 of pedestal 1 preferably and cause lid 2 distortion.Moreover ribs 28 is to be shaped on the lid 2, does not need secondary operations, the effect that has low cost and be easy to make.

The above only is preferred embodiment of the present utility model, and non-desire is limited to scope of patent protection of the present utility model, so the equivalence that all utilization the utility model specifications and accompanying drawing content are done changes, all is contained in the rights protection scope of the present utility model.

Claims (4)

1, a kind of zero-force connector for socket comprises:

One pedestal, it has a upper surface and a lower surface, is provided with a plurality of terminal accommodation holes between this upper surface and this lower surface, respectively contains terminal in those terminal accommodation holes;

One lid, it is mounted slidably on this pedestal, the side plate that this lid has a body and extended by these body both sides, this body is provided with a plurality of through holes corresponding to the terminal accommodation hole; And

One actuator, it is located between this pedestal and this lid to drive this pedestal slip relatively of this lid;

It is characterized in that: one-body molded one ribs parallel with side plate distinguished in the body of this lid and two side plate joints, each ribs is connected with the internal face of body and side plate respectively, the upper surface both sides of this pedestal form a pair of rank groove that should ribs respectively, to accommodate this two ribs.

2, zero-force connector for socket as claimed in claim 1 is characterized in that: this lid has a front end and a rear end, and the two ends of this ribs are concordant with the front end and the rear end of this lid respectively.

3, zero-force connector for socket as claimed in claim 1 is characterized in that: this lid has a front end and a rear end, and the two ends of this ribs are the front end and the rear end of close this lid respectively.

4, as claim 2 or 3 described zero-force connector for socket, it is characterized in that: these pedestal both sides are provided with a plurality of fixture blocks, and two side plate inner faces of this lid are concaved with a plurality of catching grooves, and those catching grooves are that correspondence is accommodated those fixture blocks.

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