CN201285919Y - Card connector - Google Patents

Abstract

The utility model relates to a card connector which is used for inserting an electronic card and comprises a seat body, a plurality of conductive terminals fixed in the seat body and a card withdrawing mechanism installed on the seat body. The seat body is provided with a containing space for containing the electronic card; the card withdrawing mechanism comprises a slide block installed on the seat body, a spring and a connecting rod which are fixed between the slide block and the seat body and an elastic component positioned on the slide block; the slide block is provided with an inclined plane supporting against the electronic card; the card connector is provided with a limited block on a path in which the electric component transversely moves towards the outside of the containing space; and one side of the slide block is provided with a salient supporting against one side of the front end of the electronic card. Due to the arrangement, the electronic card can be smoothly inserted into or withdrawn from the card connector.

Description

Card connector

[technical field]

The utility model relates to a kind of card connector, relates in particular to a kind of card connector with trip mechanism.

[background technology]

The prior art relevant with the utility model can be consulted in the Chinese utility model patent of on October 18th, 2006 bulletin CN2829134Y number, this patent has disclosed a kind of in order to receive the card connector of electronic cards, it comprises pedestal, be immobilizated in the plurality of conductive terminals on the pedestal, be installed on the trip mechanism on the pedestal and coat the shielding casing of pedestal.Described pedestal and shielding casing are formed with in order to accommodate the receiving space of electronic cards, and described trip mechanism comprises the slide block that is installed on the pedestal, are arranged at spring and self-locking device between slide block and pedestal, and described slide block is provided with the inclined-plane that offsets with electronic cards.Described electronic cards can by with the trip mechanism interphase interaction to insert or to withdraw from this card connector.When electronic cards was inserted or withdrawed from the card connector, inclined-plane on the described slide block and electronic cards offseted and move so that receiving space is inserted or withdrawed to electronic cards.This shows, electronic cards is inserted or withdrawed from card connector all to be needed to offset with the inclined-plane, in this process, produce mutual active force between inclined-plane certainty and the electronic cards perpendicular to the inclined-plane, this active force causes electronic cards deflection easily, make between the Hou end of electronic cards opposite side and the shielding casing and produce scraping, thereby cause the wearing and tearing and the insertion of electronic cards or withdraw from having some setbacks of electronic cards.

Therefore, be necessary existing card connector is transformed to overcome above-mentioned defective.

[utility model content]

The purpose of this utility model is to provide a kind of making to insert or withdraw from electronic cards card connector smoothly.

For achieving the above object, the utility model adopts following technical scheme: a kind of card connector, in order to the grafting electronic cards, it comprises pedestal, be immobilizated in the plurality of conductive terminals in the pedestal and be installed on trip mechanism on the pedestal, described pedestal is provided with the receiving space of accommodating electronic cards, described trip mechanism comprises the slide block that is installed on the pedestal, be immobilizated in the spring between slide block and pedestal, connecting rod and be positioned at elastic component on the slide block, described slide block is provided with the inclined-plane that offsets with electronic cards, described card connector is provided with guide vane end stop on the traversing path at elastic component outside receiving space, described slide block one side is provided with the protuberance that the side with the electronic cards front end offsets.

Compared with prior art, the utlity model has following beneficial effect: the protuberance that offsets at slide block one side setting and electronic cards front end, then insert or withdraw from the card connector process in electronic cards, the inclined-plane impels the electronic cards rear end to opposite side deflection, and protuberance supports the electronic cards front end to opposite side, the front and back end of electronic cards all has suitably stressed to opposite side thus, electronic cards still can be parallel to insert or the exit axis motion and not can and shielding casing between produce scraping, card connector can be inserted or withdraw to electronic cards swimmingly.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of the utility model card connector.

Fig. 2 is the part exploded view of the utility model card connector.

Fig. 3 is the three-dimensional exploded view of the utility model card connector.

[embodiment]

See also Fig. 1 to the preferred embodiment that Figure 3 shows that the utility model card connector 100, it (is the MicroSD card in order to the grafting electronic cards in the present embodiment, not shown), include pedestal 1, be immobilizated in the plurality of conductive terminals 2 in the pedestal 1, be installed on the trip mechanism 3 in the pedestal 1, be immobilizated in the detecting terminal 4 and the shielding casing 5 that insert in order to the detecting electronic cards on the pedestal 1.Described shielding casing 5 is buckled on the pedestal 1 with formation and is positioned between the two the receiving space 10 in order to accommodate electronic cards.Described electronic cards one side be provided with a support division that supports with trip mechanism 3 (not shown) and with card connector 100 recess of buckle (not shown) mutually.

Sidewall 13 that described pedestal 1 is provided with a diapire 11, is positioned at the insertion mouth 12 of diapire 11 1 ends, extend to form from diapire 11 1 sides and the rear wall 14 relative with inserting mouth 12.Described diapire 11 is provided with some terminal containing slots 110 of accommodating conducting terminal 2.The side that described diapire 11 is close to sidewall 13 is concaved with the depressed part 111 of accommodating trip mechanism 3.Side direction is extended with one in order to limit the projection 130 that trip mechanism 3 moves up on the described sidewall 13.The projection that makes progress from described depressed part 111 rear ends has parallel with described rear wall 14 wall 15 that supports.The described projection 151 that is concaved with hole, certain position 150 on the wall 15 and extends forward that supports.Being provided with one in the described depressed part 111 can make trip mechanism 3 along its chute that moves 112.Described pedestal 1 both sides are respectively equipped with some and shielding casing 5 interlocks, and the button of holding is held piece 16.

Described conducting terminal 2 comprises holding parts 21 that is immobilizated in the accepting groove 110 and weld part 22 and the contact site 23 that extends respectively from holding parts 21 two ends, and described contact site 23 is cantilever-shaped and extends upwardly in the receiving space 10 in order to electrically to contact with electronic cards.

Described trip mechanism 3 comprise be installed in pedestal 1 depressed part 111 and can along described chute 112 along plug-in card or move back the slip of card direction slide block 31, be installed on spring 32, the connecting rod 33 between slide block 31 and the pedestal 1 and be fixed in the elastic component 34 of slide block 31 front ends.Described slide block 31 is provided with at the heart-shaped groove 311 at its end face middle part, at the reference column 312 of heart-shaped groove 311 sides, at the holding slot 313 and the guide vane end stop 315 between holding slot 313 and receiving space 10 of reference column 312 front ends.In addition, be concaved with one from described slide block 31 end face rear ends and run through the groove 314 of slide block about in the of 31.Described slide block 31 is provided with the side surface 310 with receiving space 10 adjacency, is formed with the inclined-plane 3100 that the support division with electronic cards offsets on the described side surface 310.Form an elastic part 3101 between described side surface 310 and the groove 314, the one extension on slide block 31 of described in the present embodiment elastic part 3101 forms.Described elastic part 3101 is provided with and protrudes into the protuberance 3102 that offsets with the front end with the electronic cards right side in the receiving space 10, and the outer surface that described protuberance 3102 is provided with circular arc supports electronic cards with insertion of guiding electronic cards and side direction.One end socket of described spring 32 also is positioned on the projection 151 of pedestal 1, thereby and the other end relative with it be socketed on the reference column 312 of slide block 31 and be fixed between slide block 31 and the pedestal 1.Described connecting rod 33 roughly is strip, comprise a matrix part 331 and by the two ends of matrix part 331 be bent to form downwards respectively in order to pedestal 1 on location hole 150 first kink 332 that interlocks and hold, and second kink 333 that can in heart-shaped groove 311, slide.Described elastic component 34 comprises " U " shape main part (not label) that is fixed in the holding slot 313 and the autonomous body front latch part 342 in order to the snap close electronic cards in extending into receiving space 10.Described main part comprises in order to be immobilizated in fixed part 341 in the holding slot 313, to be connected and fixed the elastic portion 343 and the own elasticity portion 343 upwardly extending juts 344 that are provided with curved surfaces of the bending of portion 341.Described latch part 342 comprises leading section 3421 and rearward end 3422, and described leading section 3421 and rearward end 3422 interconnect and be angle projection in receiving space 10 mutually.Cause latch part 342 too outside when mobile when electronic cards generation oblique cutting, because being positioned at electronic cards, described guide vane end stop 315 pushes latch part 342 that receiving space 10 makes elastic component 34 outside receiving space 10 on the traversing path, described latch part 342 can be supported and be terminated on the described guide vane end stop 315, and latch part 342 shapes are corresponding with guide vane end stop 315 shapes on the slide block 31, so be provided with, can prevent that latch part 342 from deforming in the process even damage being compressed.Described guide vane end stop 315 and is to extend upward from slide block 31 one to form between the fixed part 341 and elastic portion 343 of elastic component 34.Described guide vane end stop 315 shape roughly triangular in shape, it comprise in order to the front side portion 3151 that support to end latch part 342 leading sections 3421 and with the corresponding rear lateral portion 3152 of latch part 342 rearward end 3422 shapes.In the present embodiment, described guide vane end stop 315 is to extend from slide block 31 one to form, and in other embodiments, described guide vane end stop 315 fits together after can also being arranged in 31 minutes with slide block.

Described detecting terminal 4 is fixed on the rear wall 14 of pedestal 1 and is positioned at the rear end of receiving space 10, it comprises the first terminal 41 and second terminal 42 that cooperates with the first terminal 41, described the first terminal 41 is provided with first conducting portion, 411, the second terminals 42 and is provided with second conducting portion 421 that can contact or disconnect at vertical direction with first conducting portion 411.

Described shielding casing 5 is to be formed by sheet metal punching press, bending, it comprise an end face 51 and from end face 51 both sides the holding wing 52 of bending downwards, described holding wing 52 is provided with button on some and the pedestal 1 and holds the button that piece 16 buttons hold and hold hole 521.Described end face 51 front ends be provided with a pair of extend down into the shell fragment 53 in the receiving space 10 and be positioned at shell fragment 53 sides run through the slit 54 of end face about in the of 51, described slit 54 is provided with inner surface (not label).When electronic cards is inserted or is withdrawed from, the jut 344 of described elastic component 34 can be limited in moving in the slit 54, described slit 54 inner surfaces can limit jut 344 and laterally move, the curved surfaces that is described jut 344 can be pressed with slit 54 contacted inner surfaces, so be provided with, can prevent described jut 344 scraping shielding casings 5.In other embodiments, described guide vane end stop 315 also can form from shielding casing 5 bending extension downwards.

When electronic cards is inserted in the receiving space 10 of card connector 100, strain takes place and then snaps in the recess of electronic cards side in described latch part 342, protuberance 3102 side direction on the described slide block 31 support the front end on electronic cards right side, and electronic cards is resisted against on the slide block 31 and with slide block 31 and advances and retreat jointly.The shell fragment 53 of described shielding casing 5 compresses the upper surface of electronic cards downwards, and electronic cards can be inserted in the card connector 100 stably.When electronic cards was further inserted, the inclined-plane 3100 of the support division of electronic cards and slide block 31 interacted, and second kink 333 of described connecting rod 33 slides in heart-shaped groove 311; In the time of in electronic cards is inserted card connector 100 fully, described second kink 333 slides into the front end of heart-shaped groove 311, at this moment, first conducting portion 511 is positioned at the below of second conducting portion 521 and both contact, and the first terminal 51 and 52 conductings of second terminal are to reach detecting function.

When further promotion electronic cards, second kink 333 of connecting rod 33 skids off and when sliding backward from the front end of heart-shaped groove 311, spring 32 bounce-back and promote slide block 31 towards inserting mouthful 12 a directions motion, at this moment, the inclined-plane 3100 by slide block 31 supports the support division of electronic cards so that electronic cards is withdrawed from.

The utility model card connector 100 is provided with the elastic part that offsets with the electronic cards front end 3101 and supports electronic cards with side direction in the rear end of slide block 31, and when electronic cards is inserted or withdrawed from the card connector 100, the support division that the inclined-plane 3100 of slide block 31 supports electronic cards makes electronic cards rear end lateral force, this shows, all there is suitable lateral force the front and back end of electronic cards, thereby the holding wing 52 and the edge that make the electronic cards front and back end all can be parallel to shielding casing 5 are inserted or are extracted direction and move, improve to insert or extract the smoothness of electronic cards, and can not make shielding casing 5 scraping electronic cards and electronic cards is worn.

Claims (10)

1. card connector, in order to the grafting electronic cards, it comprises pedestal, be immobilizated in the plurality of conductive terminals in the pedestal and be installed on trip mechanism on the pedestal, described pedestal is provided with the receiving space of accommodating electronic cards, described trip mechanism comprises the slide block that is installed on the pedestal, be immobilizated in the spring between slide block and pedestal, connecting rod and be positioned at elastic component on the slide block, described slide block is provided with the inclined-plane that offsets with electronic cards, described card connector is provided with guide vane end stop on the traversing path at elastic component outside receiving space, it is characterized in that: described slide block one side is provided with the protuberance that the side with the electronic cards front end offsets.

2. card connector as claimed in claim 1 is characterized in that: described protuberance is provided with the outer surface of arc.

3. card connector as claimed in claim 1, it is characterized in that: described slide block is provided with the side surface with the receiving space adjacency, be concaved with from the slide block end face and run through slide block groove up and down, form elastic part between described side surface and groove, described protuberance is that the projection in receiving space of own elasticity part forms.

4. card connector as claimed in claim 3 is characterized in that: described elastic part forms from the extension of slide block one.

5. card connector as claimed in claim 1 is characterized in that: described elastic component is provided with the latch part that protrudes in the receiving space, and described guide vane end stop is positioned at the outside of latch part.

6. card connector as claimed in claim 1 is characterized in that: described guide vane end stop is to extend from the slide block one to form.

7. card connector as claimed in claim 5 is characterized in that: the shape of described guide vane end stop is corresponding with the shape of latch part.

8. card connector as claimed in claim 5, it is characterized in that: described elastic component be provided be provided with at interval with latch part and be immobilizated in fixed part on the slide block, and the elastic portion that connects the bending of latch part and fixed part, described guide vane end stop is located between latch part and the holding parts.

9. card connector as claimed in claim 1, it is characterized in that: described card connector is provided with the shielding casing that is held in the pedestal top, described shielding casing is provided with the slit that runs through up and down, the projection that makes progress of described elastic component has in slit the jut that moves, and slit is provided with the inner surface that the restriction jut laterally moves.

10. card connector as claimed in claim 9 is characterized in that: described jut is provided with the curved surfaces of pressing with the contacted inner surfaces of slit.

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