CN2733658Y

CN2733658Y - Electronic card connector

Info

Publication number: CN2733658Y
Application number: CN 200420084910
Authority: CN
Inventors: 张家祯
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2004-07-27
Filing date: 2004-07-27
Publication date: 2005-10-12
Anticipated expiration: 2014-07-27

Abstract

An electronic card connector is featured as forming a guide slot on electronic card along moving direction, forming a shielding shell on circuit board and connecting shielding shell to top wall of each side wall, defining a containing space between two side walls and top wall and circuit board, forming a jack connected to containing space for receiving electronic card in between two side walls and length direction of two side walls, connecting top wall to limiting elastic sheet projected into containing space, abutting limiting elastic sheet on guide slot of electronic card elastically when electronic card is inserted from jack and width of limiting elastic sheet is less than that of jack for guiding and limiting insertion direction of electronic card.

Description

Electronic card coupler

Technical field

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

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 PC or other electronic product of mobile computer, with as extended function or the interface that connects other peripheral device is provided.And based on the lightening designer trends of various electronic products, and consider the convenience that electronic cards is carried, PCMCIA more formulated a kind of than existing PC electronic cards specification gentlier, thinner, and be easier to carry, the electronic cards that can meet the ExpressCard specification of hot plug and high-speed transfer characteristic simultaneously, and it is general L-shaped and Breadth Maximum is 54mm (ExpressCard/54) to draw up outward appearance, and outward appearance generally is microscler and width is the electronic cards of two kinds of specifications of 34mm (ExpressCard/34).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.

Based on above-mentioned purpose, the applicant has proposed the application for a patent for invention of the electronic card coupler that a kind of ExpressCard specification electronic cards for two kinds of different in width pegs graft, and its application number is 93113566.

As Fig. 1, be the outward appearance and the application state of the electronic card coupler of aforementioned application, its related content can no longer be described in detail in this with reference to the specification of aforementioned application.

This electronic card coupler 100 includes one and is fixed on the insulated receptacle 2 that shield shell 1 and on the circuit board 200 is fixed on the circuit board 200 equally and is positioned at shield shell 1 rear end, and insulated receptacle 2 is provided with number the electrically conducting terminals of contact (figure does not show) of electronic cards 300 or 300 ' are provided.

Shield shell 1 forms a first side wall 11, one second sidewall 11 ' and a roof 12 for the metal material of tool conductivity through the punching out bending, define an accommodation space 10 between the first side wall 11, second sidewall 11 ' and the roof 12, for the electronic cards 300 and 300 ' that adapts to two kinds of different in width specifications is used, accommodation space 10 is that the electronic cards 300 with the bigger ExpressCard/54 specification of width is that consideration constitutes the L-shaped space of a flat shape, makes the first side wall 11 end relative with second sidewall 11 ' constitute a socket 103 that communicates with accommodation space 10.

When using ExpressCard/54 specification electronic cards 300, because of the relative distance of the first side wall 11 and second sidewall 11 ' is suitable with the Breadth Maximum of electronic cards 300, therefore electronic cards 300 both sides can contact the first side wall 11 and second sidewall 11 ' respectively, and be subjected to the first side wall 11 and the restriction of second sidewall 11 ' on moving direction, make and be subjected to good guiding in the process of electronic cards 300 in inserting shield shell 1, form at electronic cards 300 and conducting terminal on the insulated receptacle 2 and to electrically connect and after arriving the location, the position of the electronic cards 300 also shape of conductively-closed housing 1 is limited, make its in conjunction with after quite firm.

But when using ExpressCard/34 specification electronic cards 300 ', because of the relative distance weak point of its both sides width than the first side wall 11 and second sidewall 11 ', must rely on the user during insertion moves a side of electronic cards 300 ' near the first side wall 11, just can make electronic cards 300 ' smoothly with insulated receptacle 2 on conducting terminal form to electrically connect and arrive and locate, so electronic cards 300 ' is if in moving process during not near the first side wall 11, to make in the moving process without any guiding, on pegging graft, be not easy contraposition, simultaneously, after electronic cards 300 ' arrives the location, because have only the conducting terminal on rear end and the insulated receptacle 2 to form fixing, but the front end of electronic cards 300 ' then can't form effective location because of socket 103 broads, also be subjected to the external force collision easily and the position deflection is rocked, may cause the problem of electronic cards 300 ' on electrically connecting.

In addition, no matter be ExpressCard/54 specification electronic cards 300 or ExpressCard/34 specification electronic cards 300 ', its both sides are equipped with a ground contact 301, on the first side wall 11 and second sidewall 11 ' the corresponding electroconductive elastic sheet of establishing 14 that dashes, when using ExpressCard/54 specification electronic cards 300, the ground contact 301 of its both sides all can contact electroconductive elastic sheet 14 accordingly, forms the effect of 2 ground connection.But use ExpressCard/34 specification electronic cards 300 ' then only to have the ground contact 14 of close the first side wall 11 to contact with electroconductive elastic sheet 14, so have only the effect of single-point grounding, impedance ground will be than electronic cards 300 height.

Though aforementioned application can effectively reach the purpose of using for the electronic cards 300 ' of the electronic cards 300 of the different ExpressCard/54 specification of width and ExpressCard/34 specification, but the applicant is originally in excelsior theory, at above-mentioned, following design is proposed more.

The innovation and creation content

Therefore, the purpose of this utility model is to provide a kind of electronic card coupler that uses for the electronic cards of the different ExpressCard of two kinds of width specifications.

Another purpose of the present utility model is to provide a kind of electronic card coupler that also can have good insertion guiding and positioning action when using the less electronic cards of width.

So, the utility model provides a kind of electronic card coupler, it provides an electronic cards to follow a moving direction with particular orientation and pegs graft and electrically connect with a circuit board, this electronic cards is formed with a guide groove along moving direction, and connector comprises a shield shell and an insulated receptacle that is positioned on the circuit board, and insulated receptacle also is provided with the electrically conducting terminal of contact of number power supply subcard.

Shield shell includes the roof that two separately sidewalls and connect each sidewall corresponding edge, define an accommodation space between two sidewalls, roof and circuit board, and in the middle of an end of two sidewall length direction correspondences, constitute one and pass to the socket that provides electronic cards to enter mutually with accommodation space, roof also is connected with the positive stop spring plate of a projection in accommodation space, positive stop spring plate can flexibly be connected to when socket inserts in the guide groove of electronic cards in the electronic cards of width less than socket, with the direction of insertion of guiding and restriction electronic cards.

For further setting forth the utility model is to reach technological means and the effect that predetermined purpose is taked, see also following about detailed description of the present utility model and accompanying drawing, believe the purpose of this utility model, feature and characteristics, should get one thus gos deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.

Description of drawings

Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.

In the accompanying drawing,

Fig. 1 is a stereogram, and the electronic card coupler structure and the application state of No. 93113566 relevant patent application is described;

Fig. 2 is a stereogram, and the structure and the application state of a preferred embodiment of this novel electron card connector is described;

Fig. 3 is the amplification stereogram of a positive stop spring plate of this preferred embodiment;

Fig. 4 is a schematic top plan view, and the user mode that this preferred embodiment is pegged graft for the less electronic cards of a width is described;

Fig. 5 is the cross-sectional schematic of the V-V hatching position among Fig. 4;

Fig. 6 is a schematic top plan view, and the user mode that this preferred embodiment is pegged graft for the bigger electronic cards of a width is described;

Fig. 7 is the cross-sectional schematic of the VII-VII hatching position among Fig. 6.

Embodiment

Further understand feature of the present utility model and technology contents for making, see also following about detailed description of the present utility model and accompanying drawing.

Consult Fig. 2, Fig. 4 and Fig. 6, the preferred embodiment of this novel electron card connector provides the electronic cards 300 of an ExpressCard/54 specification or the electronic cards 300 ' of an ExpressCard/34 specification is followed moving direction grafting with particular orientation, electronic cards 300 or 300 ' and one circuit board 200 are electrically connected, and electronic cards 300 or 300 ' all is formed with an end face 31, one bottom surface 32 and two lays respectively at the side 33 of both sides, electronic cards 300 or 300 ' all is formed with a guide groove 34 in both sides along moving direction, guide groove 34 is defined out (seeing shown in Figure 5) by a facade 341 and a baseplane 342 vertical connections, wherein, facade 341 is vertical adjacent with end face 31, baseplane 342 is then vertical adjacent with corresponding side 33, from the cross section vertical with moving direction, guide groove 34 generally becomes L shaped, and facade 341 then forms a corner inner edge 343 with the edge that joins of baseplane 342.

Connector 100 comprises a shield shell 1 and an insulated receptacle 2 that is fixed on the circuit board 200, insulated receptacle 2 is provided with several conducting terminals 3, it is welded on the circuit board 200 and constitutes electric connection so that electronic cards 300 or 300 ' contact to be provided with circuit board 200, because this novel emphasis is not at insulated receptacle 2 and conducting terminal 3, promptly is not described further in this.

Shield shell 1 forms with the metal material punching out with conductivity, it includes separately a first side wall 11 and one second sidewall 11 ', and a roof 12 that connects the first side wall 11 and second sidewall, 11 ' top edges, the first side wall 11, second sidewall 11 ', roof 12 and circuit board 200 centres define the accommodation space 10 that subcard 300 or 300 ' enters of can powering.The application case that has proposed as described above, accommodation space 10 is to be shaped as main consideration with the electronic cards 300 that cooperates the ExpressCard/54 specification, make the first side wall 11 constitute a socket 103 that communicates with accommodation space 10 with the front end of second sidewall 11 ', the width of socket 103 is the Breadth Maximums that cooperate electronic cards 300, in addition, the first side wall 11 forms a groove 110, second sidewall 11 ' then is formed with a groove 110 ' accordingly, with the both sides of the edge of common pilots electronic cards 300, make electronic cards 300 be able to set grafting direction and enter in the accommodation space 10 by socket 103.

And in order to make the less electronic cards of width 300 ' also can be subjected to guiding and location in use as the bigger electronic cards 300 of width.Roof 12 is connected with the positive stop spring plate 17 (enlarged drawing is seen shown in Figure 3) of a projection in accommodation space 10 in specific location, in this example, positive stop spring plate 17 is that the one punching out is finished when shield shell 1 drawing, it has one and is connected the contact site 172 of elastic arm portion 171 free end positions from the elastic arm portion 171 and that roof 12 extends in the accommodation space 10, elastic arm portion 171 is tilted to the first side wall 11 directions by second sidewall 11 ' down to extend, the position of contact site 172 and the distance of the first side wall 11 then cooperate the width of electronic cards 300 ', in electronic cards 300 ' when socket 103 inserts, contact site 172 can flexibly be connected in the middle of the guide groove 34, and be that the cooperation section configuration is L shaped guide groove 34, contact site 172 is formed with a upstanding wall 173 and the horizontal wall 174 that turnover each other links to each other, upstanding wall 173 and horizontal wall 174 contact facade 341 and baseplane 342 (as Fig. 5) of guide groove 34 respectively accordingly when electronic cards 300 ' is inserted, by interference in shape, can be to the restriction on the corner inner edge 343 formation moving directions, the bearing of trend that makes electronic cards 300 ' only can follow the first side wall 11 inserts in the shield shell 1, has certain guide function.

In addition as Fig. 2 and Fig. 3, positive stop spring plate 17 has more an inclined plane part 175 that is tilted and up extend away from accommodation space 10 near the edge of socket 103 by horizontal wall 174, enter in the accommodation space 10 by socket 103 and during contact positive stop spring plate 17 in the bigger electronic cards 300 of width, end face 31 edges of electronic cards 300 can touch inclined plane part 175 earlier and the contact site 172 of positive stop spring plate 17 is up pushed, make whole contact site 172 be positioned at (as shown in Figure 7) on the end face 31, so make positive stop spring plate 17 can't influence the application of electronic cards 300 when pegging graft.

Refer again to Fig. 2, Fig. 4 and Fig. 6, through above-mentioned design, electric connector 100 not only is applicable to the bigger electronic cards of width 300, when the less electronic cards 300 ' of width is used, when passing through socket 103 as long as make a side of electronic cards 300 ' be against the first side wall 11 earlier, positive stop spring plate 17 can contact naturally relatively in the guide groove 34 of electronic cards 300 ' opposite side, making the both sides of electronic cards 300 ' be subjected to the first side wall 11 respectively can follow certain direction with the restriction of the contact site 172 of positive stop spring plate 17 and contact with conducting terminal 3, and after arriving the location, the guide groove 34 of electronic cards 300 ' is because be subjected to the block effect of positive stop spring plate 17, also can be in be limited in a lateral direction vertical with moving direction, even so be collided, positive stop spring plate 17 also can provide certain resistance forces and prevent electronic cards 300 ' towards second sidewall, 11 ' direction off normal, forms the effect of strong fix after grafting.

What deserves to be mentioned is in addition, when electronic cards 300 ' is inserted in the shield shell 1 and arrival location, the position of the contact site 172 of positive stop spring plate 17 can be designed just and on the position that is in contact with one another of the ground contact 301 of electronic cards 300 ' side, at this moment, originally promptly utilize a grounding parts 13 and circuit board 200 to form the characteristic of grounded circuit by shield shell 1, make the both sides ground contact 301 of electronic cards 300 ' all can electrically connect and ground connection with shield shell 1 via electroconductive elastic sheet 14 and positive stop spring plate 17 respectively, reach the effect of two ground connection identical with electronic cards 300, and be to guarantee that contact site 172 electrically contacts with the ground contact 301 of electronic cards 300 ', it is one projecting inward with as the salient point 176 (seeing shown in Figure 3) that is easy to contact with ground contact 301 to accommodation space 10 that horizontal wall 174 more is formed with.Cause because of 2 ground connection makes impedance ground form parallel connection, and according to the action principle of resistance parallel connection, the effect that the impedance the when impedance after the parallel connection has than single point ground connection comes lowly produces, and can promote the reliability of electromagnetic wave guiding ground connection.

Yet, the above, only be the detailed description and the accompanying drawing of specific embodiment of the utility model, be not in order to restriction the utility model and feature of the present utility model, all are familiar with the people of this skill, modify or variation according to the equivalence that design of the present utility model is done, all should be contained in the claim of the present utility model.

Claims

1, a kind of electronic card coupler, providing an electronic cards to follow a moving direction with particular orientation pegs graft and electrically connects with a circuit board, this electronic cards is formed with a guide groove along this moving direction, and this connector comprises a shield shell and an insulated receptacle that is positioned on this circuit board, this insulated receptacle also is provided with number for the conducting terminal that this electronic cards electrically contacts, and it is characterized in that:

This shield shell includes the roof that two separately sidewalls and connect these sidewall corresponding edges, define an accommodation space between these sidewalls, this roof and this circuit board, and in the middle of an end of these sidewall length direction correspondences, constitute one and pass to the socket that provides this electronic cards to enter mutually with this accommodation space, this roof is connected with the positive stop spring plate of a projection in this accommodation space, this positive stop spring plate can flexibly be connected to the guide groove of this electronic cards less than this electronic cards of this socket at width when this socket inserts, with guiding and limit the direction of insertion of this electronic cards.

2, according to the described electronic card coupler of claim 1, it is characterized in that this positive stop spring plate has one and is connected the contact site of this elastic arm portion free end position with the guide groove of this electronic cards of butt from the elastic arm portion and that this roof obliquely extends in this accommodation space.

According to the described electronic card coupler of claim 2, it is characterized in that 3, this positive stop spring plate has more the inclined plane part that obliquely extends away from this accommodation space of this contact site along the grafting direction of this electronic cards and certainly.

4, according to the described electronic card coupler of claim 2, it is characterized in that, the contact site of this positive stop spring plate forms a upstanding wall and the horizontal wall that turnover each other links to each other, the guide groove of this electronic cards along its length bearing of trend then by a facade and a baseplane with the adjacent corner inner edge that defines of an angle, this upstanding wall and this horizontal wall can be distinguished when this electronic cards is inserted and contact this facade and this baseplane accordingly, this corner inner edge is constituted the restriction on moving direction.

5, according to the described electronic card coupler of claim 2, it is characterized in that, this shield shell is provided with a grounding parts that electrically connects with the grounded circuit of this circuit board, and the contact site of this positive stop spring plate is at this electronic cards and a ground contact that can contact after these conducting terminals are finished electric connection on this electronic cards, sees through this shield shell and makes this electronic cards guiding ground connection.

According to the described electronic card coupler of claim 5, it is characterized in that 6, the contact site of this positive stop spring plate more is formed with one to the projecting inward salient point to guarantee to contact with the ground contact formation of this electronic cards of this accommodation space.