CN2409654Y

CN2409654Y - Electronic card connector

Info

Publication number: CN2409654Y
Application number: CN 99252213
Authority: CN
Inventors: 董顺吉
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: 1999-12-23
Filing date: 1999-12-23
Publication date: 2000-12-06
Anticipated expiration: 2009-12-23

Abstract

The utility model relates to an electronic card connector, which comprises an insulation body, conductive terminals, a shield casing and a grounding member, wherein, the grounding member is fixed tightly on the insulation body through screws and is connected electrically with the shield casing. One end of the grounding member is provided with a fixing device bent towards a circuit board which is connected electrically with the electronic card connector, and the fixing device is clamped in a holding hole which is arranged correspondingly in the circuit board and is connected with a grounding wire of the circuit board. The grounding member not only can be matched with the conductive terminals to realize the function of fixing tightly the electronic card connector, but also can make the static electricity accumulated by the shield casing introduced into the grounding wire of the circuit board to shield effectively the conductive terminals and an electronic card component.

Description

Electronic card coupler

The relevant a kind of electronic card coupler of the utility model refers in particular to a kind of can firmly the group and is located on the circuit board and has the electronic card coupler that well covers with the ground connection effect.

Electric connection between electronic card coupler and circuit board has two kinds of modes usually, first kind of mode is to be connected with switching circuit board that conducting terminal is connected in one and to realize signal transmission between electronic cards and circuit board by one group of conducting terminal that is located at adaptor connector and electronic card coupler on the circuit board or with one, another kind of mode is directly to be plugged in the terminal accommodation holes of circuit board after the conducting terminal bending 90 of electronic card coupler is spent, then make conducting terminal and circuit board form permanent the connection by welding, the utility model adopts the second way, relevant prior art can be consulted No. 85205747 case of TaiWan, China patent application or United States Patent (USP) the 5th, 234, No. 351 cases, see also and Figure 1 shows that existing electronic card coupler and circuit board combination schematic perspective view before, wherein electronic card coupler 5 comprises insulating body 50, group is located at the conducting terminal 51 in the insulating body 50, shielding casing 52 and cover the earthing component 53 of conducting terminal 51, wherein conducting terminal 51 comprises docking section 510 that connects with electronic cards element (not shown) and the connecting portion 511 that 510 vertical direction are extended to circuit board 6 along the docking section, and insulating body 50 front end both sides are provided with the projection 54 that extends along the butt joint direction, this projection 54 is provided with to the fork-shaped buckle 55 of circuit board 6 to projection, and at earthing component 53, shielding casing 52 and insulating body 50 relevant positions are provided with the screw 56 that one runs through.Again, earthing component 53 front ends are provided with the grounding leg 530 to the bending of circuit board 6 ground paths.When assembling, these electronic card coupler 5 conducting terminals 51 connecting portions 511 grafting are gone in circuit board 6 terminal accommodation holes 60 and by being fixedly welded on the circuit board 6, hole clipping 61 on fork-shaped buckle 55 and the circuit board 6 fastens, confining force by 6 of conducting terminal 51 and buckle 55 and circuit boards and 5 groups of this electronic card couplers are fixed on the circuit board 6, and shielding casing 52 and earthing component 53 fasten as one and realize being electrical connected by screw (not shown), and the static of being accumulated on shielding casing 52 and the earthing component 53 is then introduced circuit board 6 ground paths by earthing component 53 grounding legs 530 and is grounded function.But, because of this electronic card coupler conducting terminal comparatively fragile, confining force between conducting terminal and circuit board is limited, and the fork-shaped buckle only can bucking circuit plate vertical direction active force, therefore in use it can be unfavorable for the electric connection between electronic cards and conducting terminal and conducting terminal and circuit board because of the swing that external force produces certain orientation.Moreover, being connected also between earthing component and circuit board ground path only realizes by grounding leg elasticity, there is not any holding unit therebetween, therefore earthing component must keep the quite high accuracy of manufacture and preferable elasticity could keep therebetween electric connection normally, and this is unfavorable for reducing production costs and the normal transmission of signal.

The purpose of this utility model is to provide a kind of and can firmly is mounted on the circuit board and has the electronic card coupler that well covers with the ground connection effect.

The purpose of this utility model is achieved through the following technical solutions: electronic card coupler comprises insulating body, group is fixed in the conducting terminal in the insulating body, be coated on shielding casing that insulating body surrounds and the earthing component that covers conducting terminal, wherein conducting terminal comprises the docking section that connects with the electronic cards element, and along the connecting portion of docking section vertical direction to the circuit board extension, and earthing component is anchored on the insulating body by screw and be electrical connected with shielding casing, and earthing component one end is provided with the clamping device to the circuit board bending that is electrical connected with this electronic card coupler, during assembling, the conducting terminal connecting portion is plugged in the terminal accommodation holes of circuit board and by being fixedly welded on the circuit board, and clamping device is fastened in the holding hole of circuit board and with the circuit board ground path and is electrical connected.Electronic card coupler like this then firmly is mounted on the circuit board and tool covers and the ground connection effect reliably.

Prior art relatively, the utility model ground strip hold mutually with circuit board by the clamping device that is located at its front end and with the electric connection of circuit board ground path, so then effective fixing electronic card coupler and have good covering and the ground connection effect.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is mounted on circuit board schematic perspective view before for existing electronic card coupler.

Fig. 2 is mounted on circuit board three-dimensional exploded view before for the utility model.

Fig. 3 is the utility model and the combined stereogram of circuit board.

Fig. 4 is the cutaway view of Fig. 3 along the A-A line.

See also Fig. 2 to shown in Figure 4, the utility model electronic card coupler 1 is that group is located on the circuit board 2 so that the electrical grafting of electronic cards (not shown) to be provided, and includes members such as insulating body 10, conducting terminal 11, shielding casing 12, trip mechanism 13 and ground strip 16.Wherein insulating body 10 with the one side near and adhere on the circuit board 2 composition surface 101 that it has interface 100 and is oppositely arranged with interface 100.In addition, insulating body 10 also is provided with several terminal containing slots 102 that runs through interface 100 and composition surface 101, be provided with the screw 103 that runs through insulating body 10 in insulating body 10 terminal bilateral symmetry in addition, the screw 14 of fixing this electronic card coupler 1 group when assembling is located at wherein, and is provided with hole clipping 104 in these insulating body 10 front center and combines with the opening 161 with the buckle 15 of insulating body 10 and ground strip 16 and ground strip 16 is immobilizated on the insulating body 10.

Conducting terminal 11 in a row is mounted in the terminal containing slot 102 of insulating body 10, comprise butt end 110 and along the butt end the 110 oblique extensions of certain angle and its end perpendicular to the abutting end 111 of circuit board 2, this butt end 110 is passed the interface 100 of insulating body 10 and is exposed outside, electrically connecting with electronic cards, and abutting end 111 is contained in the terminal accommodation holes 21 of circuit board 2 and with circuit board 2 ground paths (not shown) and electrically connects.

In addition, shielding casing 12 is a longitudinal housing, its leading section grouping is fixed on the insulating body 10, its rear end is provided with the receiving space 120 of accommodating electronic cards, and screw 14 passes through when its base plate 121 front end bilateral symmetry are provided with insulating body 10 screws, 103 relative due through holes 122 so that in assembling.

Trip mechanism 13 is installed on the side appropriate location of insulating body 10 and shielding casing 12, so that the function that electronic cards is withdrawed from the insulating body 10 to be provided.

Ground strip 16 is mounted on conducting terminal 11 front ends and electrically connects to cover conducting terminal 12 and guiding static with circuit board 2 ground paths, comprise the flat-form substrates 160 that is overlying on insulating body 10 upper surfaces and in substrate 160 1 ends along substrate 160 vertical direction towards circuit board 2 extend several hold pin 164, and substrate 160 relative ends are provided with several curvilinear shell fragments 163, and are provided with reference column 105 corresponding positioning hole 167 that reach and be located at insulating body 10 middle parts with insulating body 10 hole clippings 104 corresponding openings 161 in these ground strip 16 middle parts.In addition, be provided with outwards outstanding auricle 166 in ground strip 16 middle part bilateral symmetry, this auricle 166 is provided with and reference column 105 corresponding positioning hole 167 of insulating body 10 both sides and the circular hole 162 that allows screw 14 pass through.Be fork-shaped and hold pin 164, and be provided with the locator protrusions 165 of outside protrusion in its both sides, when assembling, this locator protrusions 165 is fastened in circuit board 2 holding holes 20 and with circuit board 2 ground paths and electrically connects.

During assembling, engaging and the retain strength of screw 14 of ground strip 16 by 104 of the hole clippings on ㄇ shape buckle 15 and opening 161 and the insulating body 10 organized and is fixed on the insulating body 10, wherein screw 14 passes shielding casing 12 through holes 122, insulating body 10 screws 103 and ground strip 16 circular holes 162 and the three is connected as a single entity and electrically conducts, and the fork-shaped of ground strip 16 holds pin 164 and is fastened in the holding hole 20 of circuit board 2 and electrically connects with corresponding ground path, the static of being accumulated on the shielding casing 12 imports circuit board 2 ground paths by screw 14 and ground strip 16 like this, the static of ground strip 16 directly imports circuit board 2 ground paths, so then can effectively cover and electronic cards that this electronic card coupler 1 is electrically pegged graft and conducting terminal 11 and guarantee the normal transmission of electronic cards and this electronic card coupler 1 and electronic card coupler 1 and 2 signals of circuit board.In addition, conducting terminal 11 is plugged in circuit board 2 terminal accommodation holes 21 and by welding and is fixed together with circuit board 2, hold the confining force of 20 of pin 164 and circuit board 2 holding holes like this by conducting terminal 11 and circuit board 2 and ground strip 16, and the just firm group of electronic card coupler 1 is located on the circuit board 2.

Claims

1. electronic card coupler, being used for group is located at circuit board and electrically pegs graft for electronic card coupler, comprise insulating body, be contained in conducting terminal, shielding casing and ground strip in the insulating body, it is characterized in that: ground strip comprises the substrate that covers on insulating body and the bending and hold pin with circuit board holds mutually in substrate one end towards circuit board.

2. electronic card coupler according to claim 1 is characterized in that: ground strip hold the pin both sides be provided with circuit board on the holding hole of the relative set locator protrusions that fastens and be electrical connected with the circuit board ground path.

3. electronic card coupler according to claim 1 and 2 is characterized in that: ground strip is provided with several shell fragments holding the relative end of pin.

4. electronic card coupler according to claim 1 is characterized in that: electronic card coupler also is provided with the buckle of the described ground strip of fixing, and is provided with corresponding hole clipping and opening on insulating body and ground strip.

5. electronic card coupler according to claim 1 is characterized in that: the insulating body front end is provided with the screw that runs through this insulating body, and ground strip shielding casing relevant position is provided with corresponding circular hole and through hole.

6. electronic card coupler according to claim 5 is characterized in that: the insulating body of electronic card coupler, ground strip and shielding casing fasten as one and are electrical connected by a screw.