CN2753004Y - Electronic card connector - Google Patents

Abstract

The utility model discloses an electronic card connector, it is used for complying with the big card and the little card insertion of Expresscard specification to put. The electronic card connector comprises a shielding shell, an insulating body, a plurality of conductive terminals accommodated in the insulating body and a card withdrawing device. A first guide groove is formed in one side, close to the card withdrawing device, of the upper surface of the small card, and a chamfer is formed in the front end of the inner wall of the first guide groove; the front end of the lower surface of the small card is provided with a convex edge. The card withdrawing device comprises a base, wherein a lower guide inclined plane and an upper guide inclined plane are formed on the base. When the convex rib of the small card is guided to the tail end of the lower guide inclined plane, the chamfer angle of the upper surface of the small card falls within the range of the upper guide inclined plane, so that the small card can be smoothly guided to the correct position. The utility model discloses the electronic card of two kinds of compatible sizes simultaneously has the advantage of level and smooth guide, effective location.

Description

Electronic card coupler

Technical field

The utility model relates to a kind of electronic card coupler, relates in particular to the electronic card coupler of the electronic cards plant of a kind of Expresscard of confession (fast card) specification.

Background technology

Electronic cards according to the ExpressCard standard has two kinds of specifications at present: a kind of is that width is the rectangular ExpressCard/34 card (to call " lesser calorie " in the following text) of 34mm, and a kind of is that Breadth Maximum is the L shaped ExpressCard/54 card (to call " kilocalorie " in the following text) of 54mm.Figure 1 shows that the three-dimensional exploded view of an existing electronic card coupler that can compatible these two kinds of specification ExpressCard cards, this electronic card coupler comprises a shielding casing 10, an insulating body 11, a some terminal 12 (please refer to Fig. 2 a, 2b) and retreat-card devices 13 that places in insulating body 11.This shielding casing 10 has a first side wall 100 and second sidewall 101, is the socket 102 that a power supply subcard inserts between 100,101 front ends of two side.This retreat-card device 13 has a pedestal 130, this pedestal 130 comprise a transverse part vertical 1300 with electronic cards (please refer to Fig. 2 a, 2b) plant direction, one from this transverse part 1300 near insulating body 11 1 ends and electronic cards plant direction extend in the same way directly to portion 1301, reach a wedge-shaped part 1302 that protrudes out to socket 103 directions from transverse part 1300 lower surfaces.This wedge-shaped part 1302 shrinks to second sidewall, 101 sides of socket 102 and shielding casing 10, and forms a guiding incline 1303 at the edge surface towards socket 102 and the first side wall 100.

Please refer to Fig. 2 a, the lower surface 140 front end central authorities of lesser calorie 14 are provided with a fin 141.When lesser calorie 14 after socket 102 pushes in the electronic card coupler, the fin 141 of lesser calorie 14 front ends can touch guiding incline 1303, and in case contact will because of the thrust that continues naturally along guiding incline 1303 to push guiding traversing to the first side wall 100 directions.So, even if user's also painstakingly contraposition when using lesser calorie also can reach the purpose of correct grafting.

Yet it is also unsmooth with regard to the whole guided procedure of this electronic card coupler.Please in conjunction with Fig. 2 a, 2b, this transverse part 1300 and directly be provided with a R angle 1304 to 1301 in portion, when lesser calorie 14 prolongs guiding face 1303 and slides onto 1304 places, R angle, the fin 141 of its lower surface 140 will lose the guiding of guiding incline 1303.Owing to lack further guiding structural, the upper surface 140 of electronic cards 14 ' front end 142 will be propped up suddenly by this R angle 1304, could under thrust, continue then to move forward.The unsmooth bad taste in one's mouth that very easily causes the user to use of this guided procedure, thereby need be further improved.

The utility model content

The purpose of this utility model is to provide a kind of electronic card coupler, and they can be for two kinds of specification electronic cards of Expresscard standard, and promptly lesser calorie and kilocalorie are planted, and effectively each electronic cards guiding also correctly is positioned wherein.

For achieving the above object, electronic card coupler of the present utility model adopts following technical scheme: an electronic card coupler, can plant for the electronic cards of two kinds of different size specifications.This electronic card coupler comprises a shielding casing, an insulating body, places the plurality of conductive terminals in this insulating body, and a retreat-card device.Wherein the upper surface of the less electronic cards of size is provided with one first guide groove near retreat-card device one side, and this first guide groove inwall front end is provided with chamfering.The lower surface front end of the electronic cards that this size is less is provided with fin, and this retreat-card device has a pedestal, and this pedestal is provided with the following guiding incline of this fin of guiding.In addition, the pedestal of this retreat-card device also has guiding incline on, and when the fin of the less electronic cards of this size moved to down the guiding incline end, the chamfering of this electronic cards upper surface just contact should go up guiding incline, was inserted in the tram thereby smoothly guide this electronic cards.

The base portion of retreat-card device also comprise the transverse part vertical with the electronic cards direction of insertion, certainly this transverse part and electronic cards direction of insertion extend in the same way directly to portion, reach a wedge-shaped part that protrudes out to electronics card insert opening direction from transverse part, this time guiding incline is an edge surface of this wedge-shaped part.Last guiding incline protrudes out with the outside level in upper surface place that directly is connected to portion from transverse part.For helping the less electronic cards location of this size, this electronic card coupler also comprises at least one positioner.This positioner has the elastic arm of a circuitous bending, and from the terminal location division that forms of this elastic arm.The location division is square, and from its middle part to the shielding casing sunken inside.Can be when insert at the less electronic cards place of this size this location division against its first guide groove, and when larger-size electronic cards was inserted, then the elasticity by elastic arm was this larger-size electronic cards ejection.

The beneficial effects of the utility model are: electronic card coupler of the present utility model is provided with down guiding incline and last guiding incline simultaneously, than prior art guiding incline only is set down, and can be more level and smooth lesser calorie be correctly planted puts in place.Positioner of the present utility model has adopted the resilient arm structure of circuitous bending simultaneously, has increased the elasticity of elastic arm in limited space, thereby has been easier to the location of lesser calorie and the ejection of kilocalorie.

Description of drawings

Fig. 1 is the three-dimensional exploded view of an existing electronic card coupler;

The upward view of the retreat-card device when Fig. 2 a is an electronic card coupler plant Expresscard/34 card shown in Figure 1;

The vertical view of the retreat-card device when Fig. 2 b is an electronic card coupler plant Expresscard/34 card shown in Figure 1;

Fig. 3 is the three-dimensional exploded view according to a preferred embodiment of electronic card coupler of the present utility model;

Fig. 4 is an electronic card coupler shown in Figure 3 stereogram when planting for an Expresscard/34 card;

Fig. 5 is an electronic card coupler shown in Figure 3 stereogram when planting for an Expresscard/54 card;

The upward view of the retreat-card device when Fig. 6 a is an electronic card coupler plant Expresscard/34 card shown in Figure 3;

The vertical view of the retreat-card device when Fig. 6 b is an electronic card coupler plant Expresscard/34 card shown in Figure 3.

Symbol description among the figure:

1 electronic card coupler

2 shielding casings, 20 the first side walls

20 ' the second sidewalls, 21 roofs

210 openings, 22 accommodation spaces

23 sockets, 24 positioners

240 elastic arms, 241 location divisions

3 insulating bodies, 31 Plug Divisions

32 rear end faces, 33 terminal channels

4 conducting terminals, 41 contact sites

42 weld parts

5 retreat-card devices, 51 pedestals

510 transverse parts, 5100 lower surfaces

Guiding incline on 5101 upper surfaces 5102

511 directly to portion's 512 wedge-shaped parts

5120 times guiding incline 52 driving members

53 elastic components, 54 moving parts

6 circuit boards

7 lesser calories, 7 ' kilocalorie

70 lower surfaces, 700 fins

71 upper surfaces, 710 first guide grooves

711 second guide grooves, 712 inwalls

713 chamferings

8 attached assistant director of a film or play's rail 81 shell fragments

Embodiment

For ease of better understanding the utility model, now the utility model is described in more detail in conjunction with a preferred embodiment of the present utility model.

Shown in Fig. 3,4,5, an electronic card coupler 1 according to a preferred embodiment of the utility model electronic card coupler comprises a shielding casing 2, an insulating body 3, some conducting terminals 4 that places in this insulating body 3, and a retreat-card device 5.Shielding casing 2, an insulating body 3, and a retreat-card device 5 all be fixed on the circuit board 6 by fixture, conducting terminal 4 then is soldered to the corresponding contact (not shown) on the circuit board.

This electronic card coupler 1 can be planted for the electronic cards of an Expresscard specification, and this electronic cards can be an ExpressCard/34 standard card 7 (to call " lesser calorie " 7 in the following text), or an ExpressCard/54 standard card 7 ' (to call " kilocalorie " in the following text).Shown in Fig. 6 a, 6b, lower surface 70 front center of this lesser calorie 7 are provided with a fin 700, upper surface 71 both sides then are respectively equipped with one first guide groove 710 and second guide groove 711, and each guide groove 710,711 has an internal groove side wall 712 (please refer to Fig. 4), and are formed with a chamfering 713 in internal groove side wall 712 front ends.Be absorbed in the problem that solves 7 existence of plant lesser calorie because of the utility model,, please refer to prior art so locate kilocalorie 7 ' related content is repeated no more.

Please get back to Fig. 3,4,5, shielding casing 2 is L-shaped, have the relative the first side wall 20 and second sidewall 20 ', and connect this first side wall 20 and second sidewall 20 ' roof 21, and define the accommodation space 22 of a power supply subcard 7,7 ' plant by the three.These accommodation space 22 front ends are the socket 23 that power supply subcard 7 inserts, and electronic cards 7,7 ' is promptly by a sidewall (in figure be the first side wall 20) the insertion accommodation space 22 of this socket 23 along corresponding L shaped shielding casing 2 vertical parts.Frequently insert, withdraw from the wearing and tearing that cause for reducing electronic cards 7,7 ', circuit board 6 is provided with the attached assistant director of a film or play rail 8 corresponding with this socket 23 positions.These attached assistant director of a film or play's rail 8 both sides respectively are provided with a shell fragment 81, by the lifting of this shell fragment 81 make electronic cards 7,7 ' and 6 of circuit boards directly do not rub, and then reach the purpose that reduces wearing and tearing.

The L shaped transverse part of roof 21 corresponding shielding casings 2 is provided with two positioners 24, and each positioner 24 forms a corresponding opening 210 on roof 21, and has an elastic arm 240 and a location division 241.Elastic arm 240 extends with electronic cards 7,7 ' direction of insertion, one side are circuitous in the same way on opening 210, square location division 241 is formed at elastic arm 240 ends, by to accommodation space 22 in-draws or take out and draw its middle part and be recessed to form flange, thereby can reach the purpose of location against first guide groove 710 of lesser calorie 7 sides.This elastic arm 240 also can extend from other side of opening 210, and multiple patterns such as circle, bar shaped also can be adopted in location division 241, and only need satisfy location division 241 can get final product against first guide groove 710.Certainly the quantity of positioner 24 also is not limited to two, can only have one, also can have more.

So, when lesser calorie 7 when the first side wall 20 inserts accommodation spaces 22, this location division 241 is against first guide groove 710 of this lesser calorie 7, not only has been convenient to the reach of lesser calorie 7 but also can laterally props up lesser calorie 7 and make it keep stable, and is also same when moving back card.And when inserting 7 ' time of kilocalorie, by this location division 241 of elasticity of elastic arm 240 can be easily kilocalorie 7 ' ejection under rise to above it, do not influence kilocalorie 7 ' insertion with withdraw from.

This insulating body 3 is positioned at the opposite end of socket 23, has one and is the Plug Division 31 and one and Plug Division 31 protrusion direction back end opposite faces 32 of flange shape towards socket 23 directions, is formed with some terminal channels 33 that are communicated to rear end face 32 on this Plug Division 31.

Please refer to Fig. 3,6a, 6b, conducting terminal 4 is positioned respectively in the corresponding terminal channel 33, each conducting terminal 4 has one and is revealed in the contact jaw 41 that the electrical contact of corresponding contact (not shown) of power supply subcard 7 is sentenced in 31 bottom surfaces, Plug Division, and one protrudes from the rear end face 32 of insulating body 3 for the welding ends 42 that is welded in corresponding contact on the circuit board 6.

Retreat-card device 5 also is contained in the accommodation space 22 of shielding casing 2, it comprises that one is positioned pedestal L-shaped on the circuit board 6 51, and moves and can provide the elastic component 53 of driving member 52 elastic reset effects with electronic cards 7,7 ' driving member 52, that contact with respect to pedestal 51, and the retainer 54 of positioning pedestal 51 and driving member 52 relative positions optionally.By this retreat-card device 5, only need pushing electronic cards 5 just can be easily will to be inserted in electronic cards 7,7 in the shielding casing 2 ' withdraw from.

Pedestal 51 comprise a transverse part 510 vertical with electronic cards 7,7 ' direction of insertion, certainly this transverse part 510 by insulating body 3 one ends and electronic cards 7,7 ' direction of insertion extend in the same way directly to portion 511, reach the wedge-shaped part 512 that the lower surface 5100 from transverse part 510 protrudes out to socket 23 directions.This wedge-shaped part 512 shrinks to socket 23 and second sidewall, 20 ' side, and then is formed with guiding incline 5120 at its edge surface towards socket 23 and the first side wall 20.Protrude out guiding incline 5102 on from transverse part 510 with the outside level in upper surface 5101 places that directly is connected to portion 511, its position relation with following guiding incline 5120 depends on that the fin 700 of the lower surface 70 of lesser calorie 7 is provided with.Lead when moving to down guiding incline 5120 terminal when the fin 700 of this lower surface 70, the chamfering 713 of first guide groove, 710 inwalls, 712 front ends of the upper surface 71 of this lesser calorie 7 falls within the scope of guiding incline 5102 on this.So when lesser calorie 7 through the fin 700 of its lower surface 70 with after cooperating of following guiding incline 5120 guides, commentaries on classics that can be level and smooth cooperates guiding by the chamfering 713 of its upper surface 71 with the last guiding incline 5102 of retreat-card device 5, and then accurately lesser calorie 7 plants is put in place.

Technology contents of the present utility model and technical characterstic disclose as above, yet those of ordinary skill in the art still may be based on teaching of the present utility model and announcements and done all replacement and modifications that does not deviate from the utility model spirit.Therefore, protection range of the present utility model should be not limited to the content that embodiment discloses, and should comprise various do not deviate from replacement of the present utility model and modifications, and is contained by the present patent application claim.

Claims (6)

1. an electronic card coupler can be planted for the electronic cards of two kinds of different sizes, and it comprises a shielding casing, an insulating body, places the plurality of conductive terminals in this insulating body, and a retreat-card device; Wherein the upper surface of the less electronic cards of size is provided with one first guide groove by a side of retreat-card device, and this first guide groove inwall front end is provided with a chamfering; The lower surface front end of the electronic cards that this size is less is provided with fin, and this retreat-card device has the following guiding incline of the fin of a guiding electronic cards; It is characterized in that: this retreat-card device also has guiding incline on, inserts when the less electronic cards of this size and moves to down guiding incline when terminal, and the chamfering of the first guide groove front end is the last guiding incline of contact just, is inserted in the tram thereby smoothly guide this electronic cards.

2. electronic card coupler as claimed in claim 1, it is characterized in that: described retreat-card device has a base portion, this base portion comprise the transverse part vertical with the electronic cards direction of insertion, certainly this transverse part one end and electronic cards direction of insertion extend in the same way directly to portion, an and wedge-shaped part that protrudes out to electronics card insert opening direction from transverse part.

3. electronic card coupler as claimed in claim 2 is characterized in that: the described guiding incline of going up protrudes out with the outside level in upper surface place that directly is connected to portion from transverse part.

4. electronic card coupler as claimed in claim 1 is characterized in that: this electronic card coupler also comprises at least one positioner, and this positioner has the elastic arm of a circuitous bending, and from the terminal location division that forms of this elastic arm.

5. electronic card coupler as claimed in claim 4 is characterized in that: described location division is square, and from its middle part to the shielding casing sunken inside.

6. as claim 4 or 5 described electronic card couplers, it is characterized in that: can be when insert at the less electronic cards place of this size this location division against its first guide groove, and when larger-size electronic cards was inserted, then the elasticity by elastic arm was that this larger-size electronic cards ejection is to the top.

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