CN201323306Y - Electric connector - Google Patents

Abstract

Disclosed is an electric connector, which comprises a base holder, cover bodies arranged on the base holder in groups and a drive cam disposed between the cover bodies and the base holder, wherein the base holder is provided with a holder hole holding the drive cam, the holder hole of the base holder is equipped with a groove communicated with the holder hole at least on the direction perpendicular to the direction, on which the cover bodies slides along the base holder, protection parts held in the groove can contact with the drive cam, and the position of the groove side wall corresponding to the holder hole is provided with at least two embossments which can be in abutting connection with the protection parts. The drive cam is operated to drive the cover bodies to slide relative to the base holder, thereby generating a push force. Apart from being exerted on the groove holding protection parts, the push force is further exerted on at least the two embossments mounted on the side wall of the groove and simultaneously corresponding to the holder hole, thereby the push force is dispersedly exerted on the base holder to prevent the base holder bearing a concentrated force.

Description

Electric connector

[technical field]

The utility model is about a kind of electric connector, especially refers to a kind of electric connector that electrically connects the wafer module to circuit board.

[background technology]

The 201075446Y patent of announcing Chinese patent has disclosed a kind of electric connector relevant with the utility model.This electric connector comprise pedestal, be mounted on the lid of pedestal and be installed in pedestal and lid between driving cam; pedestal is provided with the seat hole of accommodating driving cam; wherein; pedestal seat hole offers groove to being less than perpendicular to lid along the direction of pedestal slippage, and the guard member with the shiny surface that contacts with driving cam is contained in this groove.

Yet there is following defective at least in above-mentioned electric connector: owing to guard member is housed in the groove, and this groove is having certain interval between place, positive respective seat hole and guard member, and the part of respective seat bore edges is connected on the guard member on the recess sidewall; When driving cam rotated, pedestal was protected the power from driving cam that part passes over, and this power will be concentrated two points that act on the pedestal, made pedestal stressed comparatively concentrated, the intensity variation, and then make that the protection deformation of members is also bigger.

Given this, necessaryly provide a kind of improved electric connector, to overcome the defective of prior art.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector, can avoid pedestal stressed too concentrated when the driving cam start.

The purpose of this utility model is achieved in that a kind of electric connector; comprise pedestal, be mounted on the lid of pedestal and be installed in pedestal and lid between driving cam; pedestal is provided with the seat hole of accommodating driving cam; wherein; the seat hole of pedestal offers the groove that is communicated with a hole to being less than perpendicular to lid along the direction of pedestal slippage; guard member is contained in the groove and can contacts with driving cam, but the sidewall of groove and seat corresponding position, hole are provided with the projection of at least two place's butt guard members.

Compared with the prior art; the utlity model has following advantage: when the relative pedestal of operation driving cam driving lid slides; the push-on force that driving cam produces is except accommodating the guard member place on the effect groove; also will act on the sidewall that is arranged at groove and at least two place's projections corresponding with the seat hole; thus; the push-on force peptizaiton prevents that pedestal is stressed concentrated on pedestal.

[description of drawings]

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

Fig. 2 is that driving cam and protection member are installed in the three-dimensional combination figure of pedestal in the electric connector shown in Figure 1.

Fig. 3 is the three-dimensional combination figure that driving cam and guard member are installed in pedestal in the electric connector shown in Figure 1.

Fig. 4 is the three-dimensional combination figure that guard member is mounted on pedestal in the electric connector shown in Figure 1.

Fig. 5 is the three-dimensional combination figure of electric connector shown in Figure 1.

Fig. 6 is the enlarged drawing of X part among Fig. 4.

[embodiment]

See also Fig. 1 to shown in Figure 6; the utility model electric connector 2 is to be used for accepting wafer module (not shown) and to be incorporated on the circuit board (not shown); electric connection between wafer module current-carrying part and circuit board corresponding circuit is provided, and it comprises pedestal 20, lid 22, conducting terminal (not shown), driving cam 26 and protection member 21.

Pedestal 20 is made by insulating material, and it comprises the matrix 201 of roughly rectangular plate body shape, and matrix 201 is provided with and somely runs through matrix 201 and be arranged conducting terminal accepting hole separated from one another (indicate).Pedestal 20 also comprises and is positioned at the extension 202 that matrix 201 1 ends are slightly higher than matrix 201, runs through pedestal 20 at the middle position of pedestal 20 extensions 202 and is provided with roughly rounded seat hole 203, is used for accommodating the counterpart of driving cam 26.The both sides in the seat hole 203 of pedestal 20 offer groove 204, and groove 204 is opened in the both sides in 20 holes 203 of pedestal symmetrically, and the direction that groove 204 is offered is perpendicular to the direction of lid 22 along pedestal 20 slippages.The shape of two grooves 204 and size are roughly the same, and all rectangular lengthwise shape is arranged with the extension 202 in pedestal 20, and the extension 202 that groove 204 can run through pedestal 20 is provided with.Groove 204 is opened in 203 two relative tops, pedestal 20 circular seat holes, and is communicated with seat hole 203, and looking down down from pedestal 20 tops roughly is " H " shape.Place over against seat hole 203 on the inwall of groove 204 is provided with some projections 2041, these some projections 2041 are symmetrically set in a hole 203 and are parallel to the both sides of lid 22 along the center line of the direction of pedestal 20 slippages, in the present embodiment, the both sides of seat hole 203 center lines respectively are provided with one.

Lid 22 is connected on the pedestal 20 and also can slides by relative pedestal 20 under the driving of driving cam 26, and lid 22 comprises that the main part 221 that is used for the bearing wafer module reaches from the head 222 of the extension 202 extension settings of the corresponding pedestal 20 of main part 221 1 ends.Head 222 is provided with the lid hole 223 corresponding with 20 holes of pedestal 203 in middle part roughly, this lid hole 223 is made up of two different semicircle orifices of diameter, is formed with two block walls 224 perpendicular to lid 22 surfaces in the junction of two semicircle orifices.Some through holes 225 run through the main part 221 of lid 22 and align with the conducting terminal accepting hole of pedestal 20 matrixes 201 respectively, therefore, the pin of wafer module (not shown) can pass the through hole 225 of lid 22 main parts 221 and enter in the conducting terminal accepting hole of pedestal 20 matrixes 201, with accommodate conducting terminal inside and electrically contact.In addition, lid 22 heads 222 offer second groove (not shown) in the side near pedestal 20 extensions 202.Upper surface convex stretching in the zone that is provided with some through holes 225 that lid 22 main parts 221 are used for the bearing wafer module is provided with four protuberances 226 that roughly are the flattened oval column.This protuberance 226 also can be arranged to frustum, as long as the protuberance that no matter is column or frustum can provide a supporting role just passable to carrying wafer module thereon, thereby can avoid its middle section buckling deformation to guarantee that the wafer module is still excellent under vibration environment, guarantees the stability that electric connector 2 electrically connects.The centre position of two parallel relative sidewalls 227 of lid 22 main parts 221 offers pick-up slots 228, and this pick-up slots 228 is convenient to the wafer module is mounted on the lid 22 or from lid 22 the wafer module is taken out.

Protection member 21 comprises partition 23 that is mounted on the lid 22 and the guard member 24 that is contained in pedestal 20.Partition 23 roughly is short T type, and second groove of itself and lid 22 is halved together, and its middle position runs through and is provided with manhole 231, and contiguous these through hole 231 positions are extended to the vertical shape of lid 22 directions and are provided with two blocks 232 that have a chamfering.Next-door neighbour partition 23 liang of ora terminalis positions are arranged with small sircle hole 233, and it is not graphic that Fig. 1 only illustrates that the small sircle hole 233 of partition 23 1 ora terminalis, setting symmetrical with it are positioned at the small sircle hole of partition 23 other ends.Small sircle hole 233 can inlay in mold cavity in partition 23 and lid 22 and accommodate plastics when burying moulding and partition 23 is fixed in second groove of lid 22 heads 222, and partition 23 protrudes out in close pedestal 20 1 sides of lid 22 glide directions one end and is provided with two guide pads 234.Guard member 24 is the platysome of rectangular strip roughly, and it can be mounted in the groove 204 of pedestal 20 extensions 202.Guard member 24 is mounted on the madial wall 241 that contacts with driving cam 26 behind the groove 204 and has the shiny surface 242 that contacts with driving cam 26; can prevent effectively that thus driving cam 26 is excessive with the coefficient of friction on guard member 24 contact-making surfaces; can reduce the frictional force on the contact-making surface, make that driving driving cam 26 is comparatively convenient.

Driving cam 26 is to be made of some not coaxial circular cylinders, and its top stretches out and is provided with a projection 261.During assembling; guard member 24 is installed in 203 both sides, 20 holes of pedestal; guard member 24 is embedded in the groove 204 of pedestal 20 fully; the shiny surface 242 of guard member 24 is 203 settings towards the seat hole; the lid 22 that then edge is embedded with partition 23 is connected on the pedestal 20; again driving cam 26 is gone into from the lid hole of lid 22 223 upper set; be arranged in successively and cover hole 223; the seat hole 203 of the through hole 231 of partition 241 and pedestal 20; the seat hole 203 outer parts that at last driving cam 26 are exposed to pedestal 20 are riveted sheet 25 riveteds with ring-type, and make pedestal 20; lid 22; driving cam 26 and protection member are solidified as a whole for 21 groups.After the assembling, the block 232 of partition 23 is posted by on the block wall 224 in lid 22 lid holes 223, when driving cam 26 turns to extreme position and aforesaid block 232 direct butts.

When operation driving cam 26 driving lids 22 relative pedestals 20 slide, contain guard member 24 in the groove 204 of pedestal 20, guard member 24 is activated the power of cam 26 and power is passed to pedestal 20; The stress point of pedestal 20 has 4 at least: two both sides projection 2041 and groove 204 left and right sides two parts that are positioned at a hole 203 center lines are accommodated guard member 24 places.Like this, the push-on force that driving cam 26 rotation produces makes pedestal 20 be not easy to be damaged the 4 place strong points of peptizaiton to the pedestal 20.

In addition, it may be noted that, the both sides of present hole 203 center lines are projection 2041 respectively, its meaning also is: because common pedestal 20 is when injection mo(u)lding, the rubber alloy line roughly with seat hole 203 central lines, can avoid the rubber alloy line and stress point is arranged on plastic cement intensity than the strength so projection 2041 is provided with present 203 center line both sides, hole; When guard member 24 was stressed, these two projections 2041 just can butt guard member 24, prevents guard member 24 middle part excessive deformations.

Claims (4)

1. electric connector; comprise pedestal, be mounted on pedestal and the lid that can slide with respect to pedestal and be installed in pedestal and lid between driving cam; pedestal is provided with the seat hole of accommodating driving cam; it is characterized in that: the seat hole of pedestal offers the groove that is communicated with a hole to being less than perpendicular to lid along the direction of pedestal slippage; guard member is contained in the groove and can contacts with driving cam, but the sidewall of groove and seat corresponding position, hole are provided with the projection of at least two place's butt guard members.

2. electric connector as claimed in claim 1 is characterized in that: described guard member is the platysome of rectangular strip roughly.

3. electric connector as claimed in claim 1 is characterized in that: described groove symmetry is opened in both sides, pedestal seat hole, and the shape size is roughly the same.

4. electric connector as claimed in claim 1 is characterized in that: described at least two place's projections are arranged at a hole along the both sides of lid along the center line of the direction of pedestal slippage.

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