CN2705907Y - Electronic card connector - Google Patents

Abstract

The electronic card connector includes one shielding casing, one insulating socket, several conducting terminals on the insulating socket and one card withdrawing unit, and the shielding casing defines one holding space for electronic card to enter in one inserting direction and is used to position and take out electronic card.

Description

Electronic card coupler

Technical field

The utility model is about a kind of electronic card coupler, is meant a kind of connector of the ExpressCard of being applied to specification electronic cards especially.

Background technology

The known PC electronic cards of being formulated by PCMCIA (Personal Computer Memory Card International Association) has been widely used on the portable electronic devices even desktop computer or other electronic product as notebook computer, with as extended function or provide and connect other interface of peripheral device.And based on the lightening designer trends of various electronic products, and consider the convenience that electronic cards is carried, PCMCIA also formulated a kind of than existing PC electronic cards specification gentlier, thinner, and be easier to carry, can meet the electronic cards of the ExpressCard specification of hot plug and high-speed transfer characteristic simultaneously.Therefore, in order to adapt to the electronic cards of this kind ExpressCard specification, promptly must be provided with the electronic card coupler of pegging graft on the corresponding electronic product for the electronic cards of this kind ExpressCard specification.

As Figure 10, be briefly described a kind of structure that adapts to the required electronic card coupler 900 of existing PC card grafting.Connector 900 comprises the framework 8 that a plastic material is made usually, it has a front end 801 and a rear end 802, compartment of terrain, framework 8 both sides is provided with by front end 801 two sidewalls 81 that 802 directions are extended to the rear end, form the accommodation space 80 that a power supply subcard 9 enters in the middle of two sidewalls 81, and each sidewall 81 relative inner place respectively is provided with guide groove (figure does not show), edge with guiding electronic cards 9 moves, make electronic cards 9 be able to enter in the middle of the accommodation space 80 by front end 801, and connector 900 is being provided with the plurality of conductive terminals (figure does not show) that can contact and be electrically connected to circuit board with the corresponding some contacts on the electronic cards 9 near framework 81 rear end, it is after 80s to be inserted in accommodation space fully in electronic cards 9, can make electronic cards 9 form with circuit board through conducting terminal and electrically connect.

Because connector 900 generally all is positioned at electronic installation, only outside electronic installation, be provided with the opening that a power supply subcard 9 inserts, in order to make electronic cards 9 easily in connector 900, withdraw from, connector 900 also can design a trip mechanism, it has a drive link 82 that is positioned at framework 8 one sides and extends with sidewall 81 directions, an and push rod 83 that is positioned at rear end 802, but push rod 83 be deflection be articulated near one of rear end 802 and connect on the connecting portion 84 of sidewall 81, and make push rod 83 1 ends be subjected to the interlock of drive link 82, and the other end can be in order to contact with electronic cards 9, it is after 80s to be pushed into accommodation space in electronic cards 9, electronic cards 9 will be oppressed push rod 83 protrudes out drive link 82 forward end 801 directions to post deflection, when moving back card, the user can be with drive link 82 802 directions propelling movement to the back-end, and electronic cards 9 will be released accommodation spaces 80 and can supply and take out by push rod 83.In addition, for preventing the electromagnetic interference of electronic cards 9 when operating, can overall structure be coated with a metal shell (figure does not show) usually.

Similarly, when the ExpressCard electronic cards that is applied to new spec, still can apply mechanically the structure of above-mentioned electronic card coupler 900 in theory, but portable electronic product now all is the trend of design main flow with compact to be required down, dimensional requirement for electronic card coupler more is tending towards miniaturization, with the notebook computer is example, because of the outward appearance surrounding area extremely limited, wish to hold simultaneously connectivity port that various different sizes connect for various peripheral devices again (as printer, USB, IEEE1394, the audio-visual socket of RJ45 and RCA ... or the like) condition under, for the front end width dimensions of electronic card coupler especially requirement level off to the width of electronic cards extremely to the greatest extent institute's energy, so that shared area is the minimum configuration that can not influence other electronic building brick after electronic card coupler is positioned to circuit board, also can makes the opening dependency structure that provides electronic cards to insert can not occupy available area around the notebook computer simultaneously and can hold the configuration of more connectivity port.Yet, if still apply mechanically the aforementioned structure that is applicable to the electronic card coupler 900 of existing PC card, owing to all have plastic framework, be positioned at structures such as outer trip mechanism of framework and metal shell, the width of its front end is a lot of greater than the width of electronic cards significantly, and can't satisfy the above-mentioned designing requirement that levels off to the electronic cards width.

Summary of the invention

Therefore, the purpose of this utility model front end that is to provide a kind of subcard of powering to plant levels off to the electronic card coupler of structural design of electronic cards width dimensions.

Another purpose of the present utility model is to provide a kind of connector of using at the electronic cards of ExpressCard specification.

Another purpose of the present utility model is to provide a kind of member linking steady character higher connector.

For achieving the above object, the utility model adopts following technical scheme: a kind of electronic card coupler, and be used to provide an electronic cards and a circuit board and electrically connect, it comprises a shield shell, an insulated receptacle, plurality of conductive terminals and a retreat-card device.

Shield shell includes two separately sidewalls, limit the accommodation space that a power supply subcard enters between the sidewall, and on a sidewall wherein, extend a location division, and constitute a socket that communicates with accommodation space in the middle of the end of two sidewall length direction correspondences, and each sidewall and be formed with and guide electronic cards is entered accommodation space by socket with a grafting direction guidance part.Insulated receptacle is formed with a plurality of terminals passage and a junction surface corresponding to the position, location division of shield shell, and make insulated receptacle be positioned circuit board and be positioned at the opposite side of socket of shield shell, and affixed with junction surface and location division.Retreat-card device comprises that a pedestal, that is positioned on the circuit board moves the elastic component that the driving member, that also can contact with electronic cards provides the effect of driving member elastic reset with respect to pedestal, and a retainer of optionally locating the relative position of driving member and pedestal, the effect by retainer makes driving member be able to move back card position and one to advance between the card position and change repeatedly.But Contact Transmission part and it is pushed into into card position and locatees by moving back card position after electronic cards is pushed into accommodation space by the socket of shield shell, and be pushed into once more in the accommodation space and remove driving member behind the location of advancing card position in electronic cards, electronic cards is released socket and return back to and move back card position by driving member.

Advantage of the present utility model is: shield shell is except that having the electromagnetic wave shielding function, and has a function that the guiding electronic cards is inserted, front end size that its power supply subcard is inserted levels off to the electronic cards width fully, and the location division by shield shell and the junction surface of insulated receptacle are affixed mutually, can prevent that shield shell and insulated receptacle are subjected to external force and break away from, meet the compact designer trends of applied electronic product, and increased the reliability of its use.

Description of drawings

Fig. 1 is a three-dimensional exploded view, and the structure of a preferred implementation of electronic card coupler of the present utility model is described;

Fig. 2 is a stereogram, and outward appearance after this preferred implementation makes up and the form of planting for an electronic cards are described;

Fig. 3 is a part of member exploded perspective view, and the combination of a shield shell, an insulated receptacle and the plurality of conductive terminals of this preferred implementation is described with the elevation angle degree that retreads;

Fig. 4 is a part of component composition stereogram, and the retreat-card device structure of this preferred implementation is described;

Fig. 5 is an action schematic diagram, illustrates that with depression angle the driving member of the retreat-card device of this preferred implementation is positioned at the correspondence position relation of associated components when moving back card position;

Fig. 6 is an action schematic diagram, and the correspondence position relation of retreat-card device associated components in the electronic cards push-on process of this preferred implementation is described;

Fig. 7 is an action schematic diagram, the correspondence position relation of associated components when the driving member that the retreat-card device of this preferred implementation is described is positioned at card position into;

Fig. 8 is an action schematic diagram, illustrates that the retreat-card device of this preferred implementation concerns at the correspondence position that electronic cards withdraws from associated components in the process;

Fig. 9 is a part of member stereogram, and the location division of shield shell of this preferred implementation and the assembled relation of a pad are described;

Figure 10 is a plane graph, and the structure of the electronic card coupler of the existing a kind of PC of being applied to card is described.

Embodiment

About aforementioned and other technology contents, characteristics and effect of the present utility model, in the detailed description of a following cooperation preferred implementation with reference to the accompanying drawings, can clearly understand.

Consult Fig. 1 and Fig. 2, first preferred implementation of electronic card coupler 100 of the present utility model mainly provides an electronic cards 300, especially a kind of electronic cards of ExpressCard specification, electrically connect with a circuit board 200, be that the mode that is positioned circuit board 200 tops with connector 100 is an example in this example, make electronic card coupler 100 can be assembled in the portable electronic devices (figure does not show) just like notebook computer.This electronic card coupler 100 comprises a shield shell 1, an insulated receptacle 2, plurality of conductive terminals 3 (as shown in Figure 3) and a retreat-card device 4.

The metal material punching out that shield shell 1 is generally tool conductivity forms, it includes the roof 12 that two separately sidewalls 11 and connect each sidewall 11, limit the accommodation space 10 that subcard 300 enters of to power between sidewall 11 and the roof 12, accommodation space 10 include the leading section 101 that is connected and rearward end 102, the width of leading section 101 is big than rearward end 102, both also flush in a side, constitute the L-shaped space of a flat shape, to cooperate electronic cards 300 profiles of ExpressCard specification.Between leading section 101 is away from the end of rearward end 102, also constitute a socket 103 that communicates with accommodation space 10 on two sidewalls, 11 length directions, in addition, the sidewall 11 that length is long is also extending a location division 15 near rearward end 102 places, in the present embodiment, location division 15 (enlarged drawing sees Fig. 3 and Fig. 9) has a horizontal base plate 151, and respectively from base plate 151 two opposite sides with a upwardly extending framework 152 of vertical angle and an elastic clip 153, base plate 151 centre are provided with a perforation 154, and framework 152 generally is the ㄇ font of hollow form, but 153 of elastic clip are two to be the hook sheet that barb-like and elasticity opens outward and to form.

In addition, each sidewall 11 all is formed with a guidance part, in the present embodiment, guidance part is to utilize the punching out mode to form in one on the sidewall 11 extends and be with respect to accommodation space 10 recess outwardly along sidewall 11 length directions groove 110, make the groove 110 on the two side 11 electronic cards 300 can be entered in the accommodation space 10 with a set grafting direction by socket 103 in order to the edge moving direction of guiding electronic cards 300.

Contrast Fig. 1 and Fig. 3, insulated receptacle 2 is roughly L-shaped, be positioned on the circuit board 200, and be positioned at shield shell 1 accommodation space 10 rearward end 102 1 sides and be opposite location with socket 103, but and conductively-closed housing 1 cover.Insulated receptacle 2 comprises that one is parallel to that the grafting direction is extended and position approximate is positioned at sidepiece 24 1 sides and is connected in the junction surface 25 of Plug Division 21 opposite sides corresponding to 15 positions, location division towards the Plug Division 21 and that socket 103 directions are the flange shape in the sidepiece 24, of rearward end 102 central position, and corresponding perforation 154 positions then are provided with a fixing hole 251 on the junction surface 25.In addition, 21 protrusion directions then constitute a rear end face 22 in contrast to the Plug Division, on the Plug Division 21 and be formed with some terminal channels 23 that are communicated to rear end face 22.

Conducting terminal 3 is positioned respectively in the corresponding terminal channel 23, each conducting terminal 3 has one and is revealed in the contact jaw 31 that the electrical contact of the corresponding contact of power supply subcard 300 (figure does not show) is sentenced in 21 bottom surfaces, Plug Division, and one protrudes from rear end face 22 for the welding ends 32 that is welded on the circuit board 200.

And for example Fig. 1 and Fig. 4, retreat-card device 4 comprises that one is positioned the elastic component 43 that driving member 42, that the pedestal 41, on the circuit board 200 moves and can contact with electronic cards 300 with respect to pedestal 41 provides driving member 42 elastic reset effects, and a retainer 44 of optionally locating driving member 42 and pedestal 41 relative positions.

Wherein, pedestal 41 have a length direction identical with the grafting direction directly be connected to portion 412 and straight to portion's 412 front ends and the length direction transverse part 411 vertical with the grafting direction directly more is provided with a guide groove 414 along the extension of grafting direction in portion 412.And driving member 42 have one can be in guide groove 414 movable moving part 421 and be synchronized with the movement with the contact site 422 that contacts electronic cards 300 with moving part 421, moving part 421 also is provided with a positioning track 423 (the back narration is held in effect), convex with a guide block 425 on the end face of contact site 422, can stretch into the set guide groove 122 that extends along the grafting direction of correspondence position on the roof 12 of shield shell 1, directly act on the moving direction of guiding moving part 421, also play the effect of supplemental pilot driving member 42 moving directions indirectly.Elastic component 43 is a helical spring, and it compressiblely is connected to respectively between the moving part 421 of guide groove 414 inner faces of pedestal 41 and driving member 42.In addition, retainer 44 is a ㄇ shape bar, has the hook portion 442 that a pivot part 441 and that is articulated in pedestal 41 is positioned at positioning track 423 versatilely, design by positioning track 423, make hook portion 442 end effect, cause driving member 42 optionally to be stayed in one and move back card position and relatively away from the card position of advancing of socket 103 near socket 103 relatively with respect to moving and produce at the diverse location place respectively card in the positioning track 423.

During assembling, insulated receptacle 2 and conducting terminal 3 are to be combined into a unit block earlier to be soldered to circuit board 200, retreat-card device 4 is locked on the circuit board 200, thereafter, again shield shell 1 a part ofly is connected with circuit board 200, another part then is connected with the pedestal 41 of insulated receptacle 2 and retreat-card device 4 respectively in mode sealed and that engage.

In the present embodiment, shield shell 1 is to be provided with two grounding parts 13 at shield shell 1 with the connected mode of circuit board 200, each grounding parts 13 is connected to sidewall 11 in the form of sheets near the edge of circuit board 200 and bending extension outside accommodation space 10, make grounding parts 13 be able to circuit board 200 on a ground pad 201 of corresponding setting reach ground connection connection, this way provides shield shell 1 to be fixed in function on the circuit board 200 on the one hand, and the effect of shield shell 1 ground connection with the Electromagnetic Interference of preventing that make also arranged on the other hand.

In addition as Fig. 1, and with reference to figure 3 and shown in Figure 9, present embodiment is to utilize a pad 18 and a closure 19 that shield shell 1, insulated receptacle 2 are fixed on the circuit board 200 integratedly, be different from the mode of general employing clamping, can avoid external force collision or vibration to cause shield shell 1 and the phenomenon that insulated receptacle 2 breaks away to take place.Execution mode is in detail, 18 on pad has a body 181, and one first projection 182 and one second projection 183 that protrude out outwardly from body 181 opposite end respectively, on the body 181 and be provided with a screw 184, first projection 182 is placed through in the framework 152 of location division 15, after second projection 183 then is horizontally placed on and is subjected to elastic clip 153 clampings location in the elastic clip 153, solid shim 18 is incorporated on the location division 15, make screw 184 and perforation 154 contrapositions simultaneously, and also be provided with corresponding fixing hole 203 on the circuit board 200, make closure 19 pass through fixing hole 203 by circuit board 200 belows, 251, perforation 154, and sealed with screw 184, and with shield shell 1, insulated receptacle 2 firmly is positioned on the circuit board 200.And by this stable locking mode, insulated receptacle 2 need not have other structure to be positioned at position near sidewall 11 except that junction surface 25, make the distance between two sidewalls 11 of shield shell 1 more approach the width of electronic cards 300, follow the frictional force of groove 110 bearing of trends when advancing simultaneously at electronic cards 300 contact sidewalls 11 and also can reduce to minimum degree.

In addition as Fig. 3, location for ease of shield shell 1, shield shell 1 comprises that also one is the block wall 16 of vertical angle with the grafting direction, insulated receptacle 2 then is formed with a flange part 26 for 16 contacts of block wall, produce the interference effect that stops by means of block wall 16 and flange part 26 mutually in the grafting direction, making that shield shell 1 is unlikely moves with respect to insulated receptacle 2, and helps the contraposition at location division 15 and junction surface 25.And, shield shell 1 also can further comprise some location lugs 17 that extend from sidewall 11 downwards, circuit board 200 then is preset with some jacks 202 that supply corresponding location lug 17 to plant, and inserts jack 202 accordingly so that the contraposition of shield shell 1 and circuit board 200 by location lug 17.

Refer again to Fig. 1, shield shell 1 comprises that also one makes shape and tortuous electroconductive elastic sheet 14 in accommodation space 10 from each sidewall 11 upper punch, can in order to electronic cards 300 on a set corresponding ground contact 301 constitute electrically contact, the electromagnetic interference during further with electronic cards 300 runnings is by shield shell 1 guiding ground connection.

As Fig. 5 to Fig. 8, power supply subcard 300 is planted when using, the driving member 42 of retreat-card device 4 moves back card position (shown in Figure 5) because of the elasticity tension of elastic component 43 is pushed to it, this moment retainer 44 hook portion 442 and follow the guiding of positioning track 423 and stay in one first card stop bit relatively and put 51.But electronic cards 300 by user's application of force after socket 103 pushes accommodation space 10 contact site 422 of Contact Transmission part 42, and it is mobile backward to drive driving member 42, the moving part 421 of driving member 42 is with compression elastic piece 43 simultaneously, up to electronic cards 300 butts and till can not pushing again to the transverse part 411 of insulated receptacle 2 or pedestal 41, the hook portion 442 of retainer 44 will be positioned at one first terminal 52 places (shown in Figure 6) with respect to positioning track 423 this moment, as user no longer during applied thrust, because of the tension force of elastic component 43 with driving member 42 after socket 103 directions push back a bit of distance, make the hook portion 442 of retainer 44 put 54 because of the one second card stop bit that the guiding of positioning track 423 falls into positioning track 423 relatively, cause retainer 44 and elastic component 43 to produce balance on stressed with respect to driving member 42, make driving member 42 stay in into card position place (shown in Figure 7), conducting terminal 3 electrically contacts at this moment mutually with the corresponding contact (figure does not show) of electronic cards 300.

When moving back card, the user is again to electronic cards 300 applied thrusts, make electronic cards 300 butt and till can not pushing once again to the transverse part 411 of insulated receptacle 2 or pedestal 41, simultaneously, the hook portion 442 of retainer 44 is because of putting 54 and enter one second terminal 53 places (shown in Figure 8) with the relatively move guiding that is subjected to positioning track 423 of positioning track 423 to break away from the second card stop bit.As user no longer during applied thrust, the tension force of elastic component 43 will force driving member 42 to move to socket 103 directions, arriving the aforesaid first card stop bit relatively up to the hook portion 442 of retainer 44 puts and stopped in 51 o'clock, contact site 422 by driving member 42 in the process is released socket 103 with electronic cards 300, so that the user takes out electronic cards 300.So, the user can be inserted in electronic cards 300 location in the connector 100 during applied thrust in the first time, and the user then can make electronic cards 300 withdraw from during applied thrust again.

Conclude above-mentioned, electronic card coupler 100 of the present utility model, its shield shell 1 has the dual-use function of electromagnetic wave shielding and 300 insertions of guiding electronic cards concurrently, and the location division 15 of its shield shell 1 and the junction surface 25 of insulated receptacle 2 are adopted firm sealed mode and are replaced and engage, front end size that its power supply subcard 300 is inserted levels off to the width of electronic cards 300 fully, the plastic frame body of exempting existing electronic card coupler covers the loaded down with trivial details structure of metal shell outward, meet the compact designer trends of applied electronic product, more can increase the reliability of product on using, so can reach the purpose of this utility model really.

But, above-described content only is a preferred implementation of the present utility model, certainly can not limit interest field of the present utility model with this, be that every simple equivalent of doing according to claim of the present utility model and description changes and modification, all should be still forgiven in interest field of the present utility model.

Claims (12)

1, a kind of electronic card coupler is used to provide the electric connection of an electronic cards and a circuit board, it is characterized in that, this connector comprises:

One shield shell, include two separately sidewalls, limit an accommodation space that supplies described electronic cards to enter between each described sidewall, and on a sidewall wherein, extend a location division, in addition, constitute a socket that communicates with described accommodation space between one end of each described sidewall length direction correspondence, and each sidewall also is formed with the described electronic cards of a guiding is entered described accommodation space by described socket with a grafting direction guidance part;

One insulated receptacle, be formed with a plurality of terminals passage and a junction surface corresponding to the position, location division of described shield shell, make described insulated receptacle be positioned described circuit board and be positioned at the opposite side of socket of described shield shell, and affixed with described junction surface and described location division;

Plurality of conductive terminals is positioned respectively to electrically connect in the described terminal channel and with described circuit board, for entering the electrical contact of described electronic cards in the described accommodation space and electrically conducting with described circuit board;

One retreat-card device, comprise that a pedestal, that is positioned on the described circuit board moves the elastic component that the driving member, that also can contact with described electronic cards provides the effect of described driving member elastic reset with respect to described pedestal, and a retainer of optionally locating described driving member and described pedestal relative position, make described driving member be able to move back card position and by means of the effect of described retainer and advance between the card position and change repeatedly in one;

Described electronic cards is pushed into by the socket of described shield shell and can contacts each described driving member that moves back the card unit behind the described accommodation space simultaneously and it is pushed into describedly to advance card position and locate by the described card position of moving back, and in described electronic cards is pushed into described accommodation space once more and remove described driving member in described enter the location of card position after, then described electronic cards is released described socket and is returned back to the described card position of moving back by described driving member.

2, electronic card coupler as claimed in claim 1, it is characterized in that: the accommodation space of described shield shell includes a leading section and a rearward end that is connected, the width of described leading section than described rearward end greatly to constitute the L-shaped space of a flat shape.

3, electronic card coupler as claimed in claim 2 is characterized in that: the socket of described shield shell is positioned at the side of described leading section away from described rearward end, and described insulated receptacle is positioned at the side of described rearward end away from described leading section.

4, electronic card coupler as claimed in claim 1, it is characterized in that: the guidance part of described shield shell is to extend and corresponding to the groove of described accommodation space along described sidewall length direction, makes it follow described guidance part bearing of trend for a lateral edges of described electronic cards correspondence enters and moves.

5, electronic card coupler as claimed in claim 1 is characterized in that: described shield shell also comprises a grounding parts that electrically connects with described circuit board.

6, electronic card coupler as claimed in claim 5 is characterized in that: described grounding parts is to be connected in the edge of the close described circuit board of described sidewall and to bend extension outside described accommodation space.

7, electronic card coupler as claimed in claim 1 is characterized in that: described shield shell also comprise one be connected in described sidewall and in described accommodation space tortuous electroconductive elastic sheet, with described electronic cards on a set ground contact constitute and electrically contact.

8, electronic card coupler as claimed in claim 1, it is characterized in that: described shield shell further includes a pad that combines with described location division, and described pad and described location division and be respectively equipped with a screw and a perforation that is connected, the junction surface of described insulated receptacle of while and described circuit board also correspondence are provided with a fixing hole, pass described perforation, each described fixing hole and sealed for a closure, and described shield shell is linked described insulated receptacle and firmly is positioned described circuit board with described screw.

9, electronic card coupler as claimed in claim 8, it is characterized in that: described location division have one form the base plate of described perforation, respectively from a framework and the elastic clip of described base plate two opposite sides with the equidirectional extension of an angle, described pad then has a body, and one first projection and one second projection that protrude out outwardly from described body opposite end respectively, described first projection is placed through in the described framework, and after described second projection was subjected to described elastic clip clamping location, described pad was incorporated on the described location division.

10, electronic card coupler as claimed in claim 1, it is characterized in that: described shield shell comprises that also one is the block wall of an angle with described grafting direction, described insulated receptacle then is formed with a flange part for the contact of described block wall, by described block wall and described flange part in the interference effect of described grafting direction to strengthen the polarization of described shield shell.

11, electronic card coupler as claimed in claim 1, it is characterized in that: described shield shell also comprises some location lugs that extend from described sidewall, described circuit board then is preset with the jack that the corresponding described location of some confessions lug is planted, and inserts each described jack accordingly so that described shield shell contraposition by each described location lug.

12, electronic card coupler as claimed in claim 1, it is characterized in that: the pedestal of described retreat-card device has a guide groove along described grafting direction extension, and described driving member have one in described guide groove movable moving part and be synchronized with the movement to contact the contact site of described electronic cards with described moving part, described moving part also is provided with a positioning track, described elastic component is connected to respectively between the described guide groove inner face and described moving part of described pedestal then compressiblely, in addition, described retainer has the hook portion that a pivot part and that is articulated in described pedestal is positioned at described positioning track versatilely, diverse location by described hook portion and described positioning track produces card and ends effect, makes described driving member optionally be stayed in and describedly moves back card position and describedly advance card position.

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