CN201018130Y

CN201018130Y - Electronic card connector

Info

Publication number: CN201018130Y
Application number: CNU2006200746709U
Authority: CN
Inventors: 招志聪; 马文强; 张仁柔
Original assignee: Foxconn Kunshan Computer Connector Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd
Priority date: 2006-07-07
Filing date: 2006-07-07
Publication date: 2008-02-06
Anticipated expiration: 2016-07-07

Abstract

An electronic card connector is provided, which comprises an insulator, a plurality of conducting terminals positioned on the insulator and contacted with the electronic card in electricity, a metal shell provided with a weld leg communicated with a circuit board and an electronic card inserting space between the metal shell and the insulator. Wherein, a shrapnel is extended downward from one end of the metal shell; a switch terminal is arranged on the corresponding insulator, whose one end is bared out of the bottom of the insulator to communicate with the circuit on the circuit board and another end contacts with the shrapnel when not inserting the card yet; at the moment, the metal shell and the switch terminal form a closed loop, when the electronic card inserts the working position, the switch terminal separates from the shrapnel, the circuit receives the notice that having inserted in the electronic card; when the electronic card is withdrawn, the switch terminal props to the shrapnel at the moment the conducting terminal separates from the electronic card contacting area, thus achieving the effects of notifying the circuit to withdraw the card safely.

Description

Electronic card coupler

[technical field]

The utility model is about a kind of electronic card coupler, refers to a kind of electronic card coupler that has the detection switch device especially.

[background technology]

Electronic cards is widely used in hand-held device and consumer electronics field, electronic card coupler then is used to accommodate electronic cards, it comprises that one is provided with the insulating body of receiving space, and one group of conducting terminal is loaded on the bottom of receiving space, and a lid is covered in the top of insulating body receiving space.The contact-making surface that is provided with on the receiving space bottom that one end of conducting terminal is protruding to be exposed to insulating body and the electronic cards contacts, the circuit turn-on that is provided with on the other end and the circuit board, thus play connection conducting effect.

Generally, we turn off the action of making behind the power supply of pulling out card is safe, because system has received signal and has preserved data in advance in the process of powered-down, action in ensuing plug-in card just can not cause the loss of data of system, pulls out the waste of time that card has caused the complexity of operation sequence and waited for pass power supply process again yet close power supply earlier.Detection switch has been widely used in the electronic card coupler, the use of detection switch has overcome above-mentioned defective, the existing electronic card coupler of establishing detection switch has two switch terminals usually and is loaded on the side of insulating body, detection switch closure when electronic cards is inserted, detection switch disconnects when extracting, by this process announcing circuit safety plug-in card.

Yet detection switch is loaded on the side of insulating body, and it is big that the width of insulating body becomes, and electronic card coupler is whole to become big, does not meet the requirement of electronic devices and components towards the miniaturization development trend.

Given this, be necessary to provide a kind of electronic card coupler to address the above problem in fact.

[utility model content]

The technical problems to be solved in the utility model provides a kind of electronic card coupler that meets electronic component towards the band detection switch of trend toward miniaturization demand for development.

The utility model solves the problems of the technologies described above like this: a kind of electronic card coupler, it comprises insulating body, some conducting terminals that electrically contact with the electronic cards contact zone on the insulating body of being located at, one is provided with the metal shell with the leg of circuit board conducting, it between metal shell and the insulating body electronic cards plant space, wherein the end from metal shell is tilted to down extension one shell fragment, corresponding insulating body is provided with switch terminal, one end of switch terminal exposes circuit turn-on on insulating body bottom and the circuit board, the other end is under the state of plug-in card not and the shell fragment Elastic Contact, this moment, metal shell and switch terminal formed a closed-loop path, and switch terminal and shell fragment constitute the detection switch of electronic cards jointly.

Compared with prior art, the utlity model has following advantage: the prior art switch terminal has two, be loaded on the side of insulating body, and the ingenious metal shell that covers with insulating body that utilized of the utility model, its extended shell fragment constitutes detection switch jointly with the switch terminal that is loaded on the insulating body, reduced the width of insulating body, meet the requirement of electronic component subminaturization trend development, simultaneously, the decreased number of switch terminal has then been simplified manufacturing process and has been reduced assembly cost.

[description of drawings]

Fig. 1 is the stereogram of the utility model electronic card coupler.

Fig. 2 is the three-dimensional exploded view of electronic card coupler shown in Figure 1.

Fig. 3 is the cutaway view that electronic card coupler shown in Figure 1 inserts the service position A-A of place direction after the electronic cards.

Fig. 4 is that electronic card coupler shown in Figure 1 is inserted into the cutaway view that electronic cards retreats the A-A of critical localisation place direction in the card process.

[embodiment]

Below, will describe in further detail the utility model in conjunction with the accompanying drawings.

Please join Fig. 1 and Fig. 2, the utility model electronic card coupler 1 is in order to accommodate and to electrically connect a kind of electronic cards 3, and it is made up of insulating body 7, plurality of conductive terminals 4, trip mechanism 6, switch terminal 5 and metal shell 2.

Insulating body 7 is roughly a rectangular plate shape, and it comprises the sidewall 72 of the base plate 71 and base plate 71 left and right sides.Described base plate 71 and sidewall 72 common formation one are accommodated the receiving space 73 of electronic cards 3 and are adjoined the electronic cards socket (indicating) that base plate 71 antethecas 712 power supply subcards 3 insert.Base plate 71 be positioned at receiving space 73 under be provided with two row rectangular through-hole 710, each rectangular through-hole 710 runs through base plate 71 up and down.Base plate 71 is provided with an elongated slot 75 that is used to hold trip mechanism 6, and described groove 75 is adjacent to a sidewall 72 and along its extension.Base plate 71 is provided with groove 713 at the side near rear wall 711, is provided with pit 714 between groove 713 and rear wall 711.Two side 72 is provided with some to projection 720.

Conducting terminal 4 comprises that being tilted to bending extends the conducting portion 41 in order to contact with electronic cards 3 contact zones 30 form, the welding ends 42 in order to electrically connect with circuit board (not shown) that stretches out backward, and the connecting portion 43 that connects conducting portion 41 and welding ends 42.

Trip mechanism 6 comprise can be in insulating body 7 grooves 75 along plug-in card or move back the slide block 61 that the card direction is free to slide, slide block 61 offers chute (not indicating) from upper surface, be provided with the elastomer 63 that connects with slide block 61, the backstay 65 that is used for fixing elastomer 63 1 ends, this backstay 65 is shaped near extending on the insulating body 7 of a sidewall 72 and to slide block 61 1 sides, elastomer 63 is limited between backstay 65 and the slide block 61, and this trip mechanism 6 also comprises the guide rod 62 of a control slide block 61 relative positions and is located at the location hole 66 that is used for location guide 62 1 ends on the insulating body 7.

Switch terminal 5 comprises a flat-platy base portion 50, the downward projection of depression 52 is established at the center of base portion 50, extend one from the bending of the rear end of base portion 50 and be positioned at the afterbody 51 that is provided with its almost parallel under it, extend two fixing arms 53 forward from the front end both sides of base portion 50, extend an adjutage 54 from being inclined upwardly between the base portion 50 front ends two fixing arms 53, contact site 55 is positioned at the free end of adjutage 54.

Metal shell 2 comprises end face 21 and bends the two sides 22 that extension forms respectively downwards by end face 21 both sides, wherein end face 21 is provided with in order to the button that compresses trip mechanism 6 guide rods 62 and holds sheet 23, be tilted to down the free end that extension one shell fragment 26, one contact jaws (indicating) are arranged at shell fragment 26 from the rear end of end face 21 in the opposite position of groove 713.Side 22 is provided with some breach 24 in order to match with projection 720 on insulating body 7 two sides 72, and the bending of 22 bottoms, side is extended and is provided with some legs 25 in order to electrically connect with circuit board.

During installation, at first conducting terminal 4 is fixed on insulating body 7 base plates 71, conducting terminal 4 conducting portions 41 stretch out rectangular through-hole 710 and are exposed in the receiving space 73, and welding ends 42 extends insulating body 7 base plates 71.Then, switch terminal 5 is passed groove 713 be clamped on the base plate 71, protruding 52 back-offs are on pit 714, and afterbody 51 is exposed to the lower surface of insulating body 1 base plate 71 and concordant with it.Then, the element on the trip mechanism 6 is installed on the insulating body 7, wherein elastomer 63 and slide block 61 are loaded in the groove 75, elastomer 63 bar 65 and slide block 61 location that are positioned, and guide rod 62 1 ends insert in the chute of slide block 61, and the other end is positioned in the location hole 66.At last metal shell 2 is held on the insulating body 7, wherein the projection 720 of insulating body 7 and the breach 24 on the metal shell 2 interlock and hold, contact site 55 overlap joints of the contact jaw of shell fragment 26 and switch terminal 5.

During use, electronic card coupler 1 is placed corresponding position on the circuit board, corresponding circuit welding on the welding ends 42 of conducting terminal 4 and the circuit board, afterbody 51 and corresponding conductive part conducting, the leg 25 of metal shell 2 and corresponding circuit welding, under the state of plug-in card not, the circuit on metal shell 2, switch terminal 5 and the circuit board forms the conducting loop.

The state of switch terminal 5 and shell fragment 26 when being illustrated in figure 3 as electronic cards 3 insertion receiving spaces 73 back work, and the contact condition of conducting terminal 4 and electronic cards 3 contact zones 30.After promotion electronic cards 3 was inserted into the service position, the conducting portion 41 of conducting terminal 4 contacted with the middle position of electronic cards 3 contact zones 30, and this moment, the contact jaw of switch terminal 5 contact sites 55 and shell fragment 26 disconnected.

In the present embodiment, the action of extracting electronic cards 3 is, continue to promote electronic cards 3, then electronic cards 3 is advanced forward earlier slightly, and any ejects then automatically, Figure 4 shows that the contact condition of switch terminal 5 and shell fragment 26 when being positioned at conducting terminal 4 in the electronic cards ejection process with critical localisation that electronic cards 3 contact zones 30 will soon separate, this moment, switch terminal 5 overlapped with shell fragment 26, and system has received the notice of automatic preservation data, next just can safe card taking.

Compared with prior art, the ingenious metal shell 2 that covers with insulating body 7 that utilized of the utility model, its extended shell fragment 26 and the switch terminal 5 common formation detection switch that are loaded on the insulating body 7, reduced the width of insulating body 7, meet the requirement of electronic component subminaturization trend development, simultaneously, the decreased number of switch terminal 5 has then been simplified manufacturing process and has been reduced assembly cost.

Above-mentioned only is an embodiment of the present utility model, and any improvement of making under other prerequisite based on the utility model design all is considered as protection range of the present utility model.As there is not an electronic card coupler of trip mechanism; Establish on the sidewall 72 of insulating body 7 thereby the snap fit that protuberance reaches insulating body 7 and metal shell 2 inwardly is set on the side 22 of recess, metal shell 2; It is one-body molded etc. that conducting terminal 4 is put into mould and insulating body 7 in advance.

Claims

1. electronic card coupler, it comprises insulating body, some conducting terminals that electrically contact with electronic cards on the insulating body base plate of being located at, one is provided with the metal shell with the leg of circuit board conducting, it between metal shell and the insulating body electronic cards plant space, it is characterized in that: be tilted to down extension one shell fragment from an end of metal shell, corresponding insulating body is provided with switch terminal, one end of switch terminal exposes circuit turn-on on insulating body bottom and the circuit board, the other end is under the state of plug-in card not and the shell fragment Elastic Contact, and switch terminal and shell fragment constitute the detection switch of electronic cards jointly.

2. electronic card coupler as claimed in claim 1 is characterized in that: also be provided with trip mechanism on the electronic card coupler.

3. electronic card coupler as claimed in claim 1 is characterized in that: described metal shell comprises a main body and the two sides vertical with main body.

4. electronic card coupler as claimed in claim 3 is characterized in that: the bottom of described metal shell two sides is extended the leg that is provided with a pair of level at least.

5. as claim 2 or 4 described electronic card couplers, it is characterized in that: described switch terminal comprises a base portion, one afterbody from base portion rear end bending lie along under the base portion and with its almost parallel setting, two fixing arms are from base portion front end both sides horizontal-extending, one adjutage is from the extension that is inclined upwardly between the base portion front end two fixing arms, and a contact site is in the adjutage free end.

6. electronic card coupler as claimed in claim 5 is characterized in that: the downward projection of depression is established at the base portion center of described switch terminal, and position corresponding on the insulating body base plate is provided with pit fixing with it.

7. electronic card coupler as claimed in claim 6, it is characterized in that: the metal shell two sides are provided with at least one pair of breach, insulating body is provided with and the corresponding projection of breach on the metal shell, and metal shell is held fixing mutually with insulating body by the button of breach and projection.

8. electronic card coupler as claimed in claim 6, its feature with: metal shell inwardly is provided with at least one pair of protuberance, insulating body is provided with the protuberance corresponding concave part with metal shell, and metal shell is held mutually fixing by protuberance with the button of recess with insulating body.