CN2749134Y

CN2749134Y - Electronic card connector

Info

Publication number: CN2749134Y
Application number: CN 200420112524
Authority: CN
Inventors: 朱庆嘉
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2004-11-10
Filing date: 2004-11-10
Publication date: 2005-12-28
Anticipated expiration: 2014-11-10

Abstract

The utility model relates to an electronic Card connector, it can make two kinds of first electronic cards or second electronic cards that width specification is different all have good and insert guide and positioning action, like Express Card 54 and ExpressCard 34 electronic Card, respectively have a guide slot and the width is lighter than the width of this first electronic Card about this second electronic Card both sides. The electronic card connector comprises an insulating socket and a shielding shell, wherein the insulating socket is provided with a plurality of conductive terminals electrically connected with a circuit board; the shielding shell is coated outside the insulating socket and fixed on the circuit board, the shielding shell is provided with a top wall and a pair of side walls extending downwards from two sides of the top wall, the top wall forms at least one downwards arched part, and the arched part is provided with an arc-shaped bottom surface abutting against the guide groove above the side edge of the second electronic card. Wherein the arched portion of the shielding shell is capable of guiding and positioning along the side of the second electronic card.

Description

Electronic card coupler

[technical field]

The utility model relates to a kind of electronic card coupler, refers in particular to a kind of electronic card coupler of depositing card (Express Card) soon of the different size that is applied to peg graft.

[background technology]

The PC electronic cards of being formulated by PC memory card international association (PCMCIA) is widely on the portable electronic devices of Ying Yu such as notebook computer even desktop computer or other electronic product, and it is a kind of adapter that is used for peripheral functions such as Extended RAM or network.

Based on the lightening designer trends of electronic product, PCMCIA association formulates a kind of electronic cards of depositing card (Express Card) specification soon of new PC expansion board standard, and this kind electronic cards has two kinds of different external forms: a kind of be outward appearance be rectangle and width be 34mm deposit card/34 (Express Card/34) soon; Another kind be outward appearance be the L type and width be 54mm deposit card/54 (Express Card/54) soon.Both length is 75mm, and thickness is 5mm.

For reading above-mentioned electronic cards, the applicant has proposed the patent of invention that a kind of electronic cards of pegging graft for the ExpressCard specification electronic cards of two kinds of different in width connects in Taiwan, and application number is No. 93113566.Please refer to Fig. 1, be the electronic card coupler of aforementioned patent applications and the stereogram of two kinds of Express Card specification electronic cards.

Above-mentioned patent document discloses a kind of electronic card coupler 100 and is arranged on the circuit board 200, and it can distinguish the electronic cards 300 ' of ccontaining Express Card/54 specification electronic cards 300 and Express Card/34 specification.This electronic card coupler 100 has a shielding casing 110 and an insulated receptacle 120.This shielding casing 110 has a roof 112, the first side wall 111 and second sidewall 111 ', and limits an accommodation space 103.This accommodation space 103 serves as that design considers to form the slightly L-shaped space of a flat shape with the electronic cards 300 of the bigger Express Card/54 specification of width.

Wherein the width of the electronic cards 300 of this Express Card/54 specification is equivalent to the distance between the first side wall 11 and second sidewall 11 ', therefore can be limited its moving direction and is electrically connected at this insulated receptacle 120 exactly by the first side wall 11 and second sidewall 11 '.Yet the electronic cards 300 ' width of this Express Card/34 specification is less, therefore when inserting this electronic card coupler 100, depend on the user and one side of the electronic cards 300 ' of this Express Card/34 specification is close proximity to the first side wall 11 moves, could make this electronic cards 300 ' be electrically connected at this insulated receptacle 120 smoothly.

Having only the first side wall 11 in the said structure is the unique guiding measures of electronic cards 300 ', if be not close proximity to the first side wall 11 during insertion, is not easy contraposition when then pegging graft.On the other hand, after electronic cards 300 ' arrives the location, have only the inserted terminal of its front fixedly to contact with the conducting terminal of this insulated receptacle 120, the holding end of back then lacks the location, be easy to be subjected to the external force collision and cause this electronic cards 300 ' deflection to be rocked, thereby cause the problem of electronic cards 300 ' on electrically connecting, even cause the conducting terminal curving of this insulated receptacle 120.

[utility model content]

Technical problem to be solved in the utility model is: a kind of electronic card coupler is provided, and it can be for the electronic cards of the different Express Card of two kinds of width specifications of access.

The technical problem that the utility model further will solve is: a kind of electronic card coupler is provided, and it can make the electronic cards of the different Express Card of two kinds of width specifications all can have good insertion guiding and positioning action.

For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of electronic card coupler is provided, can electrically contact with first electronic cards or second electronic cards, these second electronic cards both sides respectively have a guide groove and the width width less than this first electronic cards up and down.This electronic card coupler comprises an insulated receptacle, a shielding casing, and this insulated receptacle has some conducting terminals that are electrically connected at a circuit board; This shielding casing is coated on this insulated receptacle outside, and be fixed on this circuit board, this shielding casing has a roof and a pair of sidewall that is extended by the both sides of this roof downwards, this roof forms at least one downward arch portion, and this arch portion has an arcuation bottom surface that is connected to the guide groove of this second electronic cards side top.

The beneficial effects of the utility model are:

One, this arch portion can make the second less electronic cards of width also can be guided in use and locate as the first bigger electronic cards of width in the utility model, simultaneously can produce a downward chucking power, make this first electronic cards being plugged in this electronic card coupler more firmly this first electronic cards;

Two, the utility model can make second electronic cards produce 2 ground connection, makes impedance ground form parallel connection, and the impedance during than the single point ground connection of existing correlation technique is lower;

Three, the utility model also provides second electronic cards comprehensive guiding structural, all has guidance function four corners, can make second electronic cards be electrically connected at circuit board really, and can prevent the displacement that accident collision causes.

Below in conjunction with accompanying drawing preferred implementation of the present utility model is described in detail as follows, but below explanation only be used for setting forth the utility model, but not interest field of the present utility model is done any restriction.

[description of drawings]

Fig. 1 is the stereogram of the electronic card coupler of existing correlation technique.

Fig. 2 is the three-dimensional exploded view of the utility model electronic card coupler.

Fig. 3 is the three-dimensional combination figure of the utility model electronic card coupler.

Fig. 4 is the peg graft vertical view of second electronic cards of the utility model electronic card coupler.

The cutaway view of Fig. 5 5-5 line that is the utility model in Fig. 4.

Fig. 6 is the stereogram of the utility model electronic card coupler second execution mode.

Fig. 7 is the stereogram of another angle of shielding casing in the utility model electronic card coupler second execution mode.

Fig. 8 is the peg graft vertical view of second electronic cards of shielding casing in the utility model electronic card coupler second execution mode.

The cutaway view of Fig. 9 9-9 line that is the utility model in Fig. 8.

[embodiment]

See also Fig. 2 and Fig. 3, be respectively the three-dimensional exploded view and the three-dimensional combination figure of the utility model electronic card coupler.The utility model provides a kind of electronic card coupler 1, it is fixed on the circuit board 2, this electronic card coupler 1 includes a shielding casing 10 and an insulated receptacle 11, can plug for the electronic cards 300 (hereinafter to be referred as first electronic cards) of Express Card/54 specification and the electronic cards 300 ' (hereinafter to be referred as second electronic cards) of Express Card/34 specification.In the utility model, this electronic card coupler 1 also includes a trip mechanism 13 that is used for ejecting the electronic cards that has plugged.

This shielding casing 10 is coated on this insulated receptacle outside and is fixed on this circuit board 2, and its metal material punching out bending that is preferably by tool conductivity forms.This shielding casing 10 has a roof 12 and a pair of sidewall 14a, the 14b that is extended by the both sides of this roof 12 downwards, the shielding casing 10 inner accommodation spaces 16 that form.In the present embodiment, this oppose

side wall

14a, 14b screw lock and electrically connect to form ground connection with the ground path of this circuit board 2 on this circuit board 2.

These insulated receptacle 11 main bodys are made by insulating material, its have some be electrically connected at this circuit board 2 and can with the conducting terminal of first electronic cards 300 or second electronic cards 300 ' electrically contact.

One of the utility model feature is: the roof 12 of this shielding casing 10 forms at least one downward arch portion 122.This arch portion 122 through being stamped to form, and is the recess of a circle by this shielding casing 12 in the present embodiment, so can be in the process of this shielding casing 12 of punching out this arch portion 122 of moulding simultaneously.Certainly, this arch portion 122 is not limited to circle, for example also can be oval, rectangle or other shape; In addition, its quantity also can be more than one.

See also Fig. 4 and Fig. 5, be respectively the utility model electronic card coupler peg graft the vertical view of second electronic cards and in Fig. 4 the cutaway view of 5-5 line.In the utility model, this arch portion 122 can produce the effect of guiding and location along the side of this second electronic cards 300 '; Make less second electronic cards 300 ' of width also can be guided in use and locate by means of this arch portion 122 as the first bigger electronic cards 300 of width.Since the both sides of this first electronic cards 300 and second electronic cards 300 ' respectively have a ground strip 301,301 ' and the upper and lower end of each side be formed with a guide groove 302,302 ' separately, so, in this second electronic cards 300 ' is inserted in this electronic card coupler 1, this arch portion 122 is to be slidably connected in one of them guide groove 302 ', make this second electronic cards 300 ' when inserting, be restricted, only can insert along the bearing of trend of this sidewall 14a in this shielding casing 10, have certain guide function.Wherein, this arch portion 122 has an arcuation bottom surface that is connected to the guide groove 302 ' of this second electronic cards, 300 ' side top.

Because this shielding casing 10 has elasticity, when inserting first electronic cards 300, this arch portion 122 can or not influenced plugging of first electronic cards 300 by the end face of this first electronic cards 300 institute jack-up.On the other hand, this arch portion 122 can also produce a downward chucking power to this first electronic cards 300, makes this first electronic cards 300 being plugged in this electronic card coupler 1 more firmly.

Through above-mentioned design, the utility model electronic card coupler 1 not only is applicable to first electronic cards 300 that width is bigger, also can have the function of this second electronic cards 300 ' of guiding.In addition, after inserting the location, the guide groove 302 ' of this second electronic cards 300 ' is owing to be subjected to the block effect of this arch portion 122, also can be limited in a lateral direction, so even accident is collided, this arch portion 122 also can provide certain resistance forces and prevent this second electronic cards 300 ' towards the skew of this sidewall 14b direction, thereby the effect of a strong fix is provided.

In addition, what deserves to be mentioned is that the position of this arch portion 122 is preferably and is designed to contact with this second electronic cards, 300 ' one of them ground strip 301 ' in the utility model when second electronic cards 300 ' is pegged graft the location.At this moment, by means of this shielding casing 10 originally and circuit board 2 form the characteristic of grounded circuits, make the ground strip 301 ' of these second electronic cards, 300 ' both sides all can be respectively electrically connect and ground connection through electroconductive elastic sheet 148 and this arch portion 122 of this sidewall 14a.By producing 2 ground connection, and make impedance ground form parallel connection, according to the action principle of resistance parallel connection, the impedance during than single point ground connection is lower.

Please continue to consult Fig. 2, also be provided with an auxiliary backplane 18 that is positioned on this circuit board 2 in the utility model, this auxiliary backplane 18 has a guiding structural relative with this arch portion 122, plugs the location more positively to guide this second electronic cards 300 ' ordinatedly.In execution mode shown in Figure 2, this guiding structural is a fairlead 183, can certainly be the structure as this arch portion, this fairlead 183 upwards elasticity extends in this accommodation space 16 and is connected to the guide groove 301 ' of this second electronic cards, 300 ' side below.

In the present embodiment, this auxiliary backplane 18 slightly takes the shape of the letter U and has a main part 181 and a pair ofly extend upward and be connected in separately this oppose side wall 14a of this shielding casing 10, the connecting portion 182 of 14b by these main part 181 both sides.More particularly, wherein this oppose side wall 14a, the 14b of this shielding casing 10 respectively have a jig arm 142, and this jig arm 142 is formed with the clamping part 144 of a bending; On the other hand, this of this auxiliary backplane 18 respectively is provided with the block button hole 186 that a slot 184 and is adjacent to this slot 184 to connecting portion 182.This jig arm 142 is inserted in this slot 184, and this clamping part 144 is sticked in this block button hole 186.

Please also refer to Fig. 3, for preventing the displacement of this auxiliary backplane 18, wherein this oppose side wall 14a, the 14b of this shielding casing 10 also respectively dash and establish a stop section 146, and this stop section 146 respectively is connected to this to a block short slot 188 on the edge of connecting portion 182.In the above-mentioned present embodiment, this connecting portion 182 is the along continuous straight runs clamping with this oppose

side wall

14a, 14b, and the direction that also can change this jig arm is so that vertically clamping.In addition, the both sides of this main part 181 of this auxiliary backplane 18 respectively are provided with a guiding protuberance 185, this distance to guiding protuberance 185 is equal to the width of first electronic cards 300, therefore when this first electronic cards 300 is inserted, be slidably connected in the guide groove 302 of its dual-side bottom, and the effect that produces guiding and locate.

See also Fig. 6 and Fig. 7, be respectively the stereogram of the utility model electronic card coupler second execution mode different angles.In this execution mode, auxiliary backplane 19 is made up of a pair of half-angle base plate 191,192, and this is to half-angle base plate the 191, the 192nd, and this oppose side wall 14a, the 14b of each free this shielding casing 10 extends internally one-body moldedly and be connected and form.Wherein this guiding structural is an arch portion 193 protruding upward.In addition, this has some mortise structures 194 to half-angle base plate 191,192 and is connected in the mode of joggle.This execution mode can omit the assembling formality of this auxiliary backplane and this shielding casing 10 owing to be one-body molded, therefore can save some assembly costs.

See also Fig. 8, Fig. 9, be respectively shielding casing in the utility model electronic card coupler second execution mode peg graft the vertical view of second electronic cards and in Fig. 8 the cutaway view of 9-9 line.Wherein, this second electronic cards 300 ' can be guided better and be positioned in this shielding casing 10 by means of top arch portion 122 and following arch portion 193.In this execution mode, because shielding casing 10 has elasticity, therefore this arch portion 122 above can be inserted and do not influence first electronic cards 300 by the jack-up that makes progress.When first electronic cards 300 was inserted, following arch portion 193 can provide a clamping strength that makes progress in the bottom surface of this first electronic cards 300, and the arch portion 122 above cooperating produces a bigger effect that grips.

In the utility model, this first electronic cards is that the electronic cards with Express Card/54 specification is an example, and this second electronic cards is that the electronic cards with Express Card/34 specification is an example.Certain characteristics of the present utility model also can be applied to similar can ccontaining two kinds of different size electronic cards above electronic card coupler.

Claims

1, a kind of electronic card coupler, can electrically contact with first electronic cards or second electronic cards, these second electronic cards both sides respectively have a guide groove and the width width less than this first electronic cards up and down, it is characterized in that: this electronic card coupler comprises an insulated receptacle, a shielding casing, and this insulated receptacle has some conducting terminals that are electrically connected at a circuit board; This shielding casing is coated on this insulated receptacle outside, and be fixed on this circuit board, this shielding casing has a roof and a pair of sidewall that is extended by the both sides of this roof downwards, this roof forms at least one downward arch portion, and this arch portion has an arcuation bottom surface that is connected to the guide groove of this second electronic cards side top.

2, electronic card coupler as claimed in claim 1, it is characterized in that: the both sides of this second electronic cards respectively have a ground strip, when this second electronic cards is inserted in this electronic card coupler, this arch portion contacts with one of them this ground strip of this second electronic cards.

3, electronic card coupler as claimed in claim 1, it is characterized in that: this electronic card coupler further has an auxiliary backplane that is positioned on this circuit board, this auxiliary backplane has a guiding structural relative with this arch portion, and this guiding structural is protruding upward and be connected to a guide groove that is formed at this second electronic cards side below.

4, electronic card coupler as claimed in claim 3 is characterized in that: this auxiliary backplane slightly takes the shape of the letter U, and this auxiliary backplane has a main part and a pair of connecting portion that is extended upward and be connected in separately this oppose side wall of this shielding casing by these main part both sides.

5, electronic card coupler as claimed in claim 4 is characterized in that: this oppose side wall of this shielding casing respectively has a jig arm, and this of this auxiliary backplane respectively is provided with a slot that supplies this jig arm to plug to connecting portion.

6, electronic card coupler as claimed in claim 5 is characterized in that: this jig arm is formed with the clamping part of a bending, and this respectively is provided with a block button hole that is adjacent to slot and engages for this clamping part to connecting portion.

7, electronic card coupler as claimed in claim 6 is characterized in that: each projection one of this oppose side wall of this shielding casing is connected to the stop section at corresponding connecting portion edge.

8, electronic card coupler as claimed in claim 4 is characterized in that: the main part both sides of this auxiliary backplane respectively are provided with a guiding protuberance that is slidably connected to the corresponding side of this first electronic cards.

9, electronic card coupler as claimed in claim 4 is characterized in that: this guiding structural be one with this arch portion relatively by the make progress fairlead of elastic extension of the main part of this auxiliary backplane.

10, electronic card coupler as claimed in claim 3 is characterized in that: this guiding structural is an arch portion protruding upward.

11, electronic card coupler as claimed in claim 3 is characterized in that: this auxiliary backplane is made up of a pair of half-angle base plate, and this this oppose side wall to each free this shielding casing of half-angle base plate extends internally one-body moldedly and is connected and forms.

12, electronic card coupler as claimed in claim 11 is characterized in that: this has some mortise structures to the half-angle base plate, and is connected in the mode of joggle.

13, electronic card coupler as claimed in claim 1 is characterized in that: this first electronic cards is for depositing the electronic cards of card/54 specifications soon, and this second electronic cards is for depositing the electronic cards of card/34 specifications soon.