CN201117849Y - Card connector - Google Patents

Abstract

The utility model relates to a card connector, which comprises an insulation body and a plurality of conducting terminals, wherein, the insulation body comprises a splicing surface and an accommodation space that is depressed from the splicing surface and is used for accommodating at least a first electronic card and a second electronic card, the conducting terminal is provided with a contact part that is extent into the accommodation space and at least matched with the first electronic card and the second electronic card; the card connector is also provided with a limit mechanism that can stably move from up to down inside the accommodation space corresponding to the insulation body, and the limit mechanism is provided with a horizontal guiding surface that guides the first electronic card and a longitudinal projection part that is projected upwards from the two sides of the guiding surface and is used for restricting the first electronic card.

Description

Card connector

[technical field]

The utility model relates to a kind of electronic card coupler, refers in particular to a kind of card connector of the different electronic cards of pegging graft.

[background technology]

Electronic cards is light, thin, short, little, is used in widely on the electronic installations such as digital camera, PDA(Personal Digital Assistant) or mobile computer, can be used as the usefulness that expands memory space, to solve the problem of traditional magnetic disk insufficient space effectively.

Along with different electronic cards just produces different electronic card couplers to electrically connect electronic cards and electronic installation.The electronic card coupler that has now is installed on the circuit board of electronic installation, plants for electronic cards, makes electronic cards and circuit board realize electrically connecting, and in order to the signal between transmission electronic card and circuit board, makes and obtains the information dealing between this electronic cards and the electronic installation.

Though existing on the market at present electronic card coupler, can provide the electronic cards (as MS card, SD card, XD card etc.) of plurality of specifications to plant, but it generally just adopts bigger capacity with accommodation space, and in this accommodation space, be provided with a plurality of respectively with the corresponding guiding of electronic cards profile, detent mechanism, this electronic card coupler can be planted for multiple different electronic cards.

Yet, because what present MS card and MS Duo card profile were suitable is similar to, the MS card size is 50mm * 21.5mm * 2.8mm, MS Duo card size is 31mm * 20mm * 1.6mm, as seen MS Duo card is only slightly thin and be narrower than the MS card, is difficult to be provided with in this accommodation space respectively and corresponding guiding of electronic cards profile and position-limit mechanism.General in addition electronic card coupler often is difficult to guarantee that electronic cards can firm being positioned in the electronic card coupler when electronic cards is plugged in wherein, make between electronic cards and the electronic card coupler electric connection more built on the sand, cause the signal transmission unstable.

China's utility model is announced the CN2857266 patent and has been disclosed a kind of card connector, comprise insulating body, insulating body caves inward and is used for the accommodation space of holding electronic card and is installed in conducting terminal group on the insulating body, described insulating body comprises a plug surface, two sidewalls, be located on the two side and being used to of being communicated with accommodation space guides the guide channel that electronic cards inserts and be located at the pivot that near the being used to plug surface limit and guide lesser calorie to insert, described pivot front end both sides also be provided with the pivot that is used to install torsion spring, the end of described pivot also is provided with a recess that caves in forward, insert along the recess both sides both sides of lesser calorie, recess has the effect of a restriction and guiding to lesser calorie, but this pivot is to be articulated on the insulating body, when lesser calorie inserts, can not make pivot give the effect of very firmly supporting of one of lesser calorie so that lesser calorie can firmly insert reposefully thereby only support the lesser calorie lower surface by the end of pivot.

Therefore, be necessary to design a kind of card connector that overcomes above-mentioned defective.

[utility model content]

Main purpose of the present utility model is to provide the card connector of electronic cards of can steadily pegging graft.

For achieving the above object, the utility model adopts following technical scheme: a kind of card connector, comprise insulating body and plurality of conductive terminals, insulating body comprises plug surface and the accommodation space that is used to accommodate at least the first electronic cards and second electronic cards that caves inward and form from plug surface, described conducting terminal is provided with the contact site that extends into accommodation space and match with first electronic cards and second electronic cards at least, described card connector also is provided with relative insulating body position-limit mechanism of translation up and down in accommodation space, and described position-limit mechanism is provided with the horizontal guide surface of guiding first electronic cards, bootstrap face both sides to upper process in order to limit the longitudinal protrusions of first electronic cards.

Compared with prior art, the utility model is by installing the position-limit mechanism of translation up and down at the interface of connector, can effectively limit and guides lesser calorie to insert reposefully, also strengthened the steadiness when card is connected with card connector.

[description of drawings]

Fig. 1 is the constitutional diagram of the utility model card connector.

Fig. 2 is the unit assembly drawing of card connector among Fig. 1.

Fig. 3 is the three-dimensional exploded view of card connector among Fig. 1.

Fig. 4 is for isolating the unit assembly drawing of position-limit mechanism among Fig. 1.

Fig. 5 isolates the vertical view of shielding casing for card connector among Fig. 1.

Fig. 6 is the upward view of position-limit mechanism among Fig. 3.

Fig. 7 is the schematic diagram of six kinds of electronic cards matching with card connector among Fig. 1.

Fig. 8 is the schematic diagram of another angle of Fig. 7.

[embodiment]

See also Fig. 1 to shown in Figure 8, the card connector 100 of present embodiment is arranged on (not shown) on the circuit board, the Xd card 81 of can pegging graft, SD card 82, mmc card 83, MMCplus card 84, MS card 85 and 86 6 kinds of different electronic cards 8 of MS Duo card, in the present embodiment, MS Duo card 86 is slightly narrow and be thinner than other electronic cards 8 therefore to establish MS Duo card 86 be first electronic cards, other big slightly electronic cards 8 is second electronic cards, all electronic cards 8 include current-carrying part 80, and card connector 100 includes insulating body 2, be housed in the conducting terminal group in the insulating body 2, buckle the shielding casing 3 on insulating body 2 and be installed in detecting terminal group 5 in the insulating body 2.

Conducting terminal group (not label) comprise in order to first conducting terminal 41, second conducting terminal 42, the 3rd conducting terminal 43, the 4th conducting terminal 44 of different electronic cards 8 contacts.

Insulating body 2 comprises a upper surface 26, plug surface 25 and left side wall 27 and right side wall 28, and being caved inward and be communicated with upper surface 26 by plug surface 25 forms accommodation space 20, in order to accommodate electronic cards 8.Above-mentioned conducting terminal group also is provided with and extends into contact site accommodation space 20 and that match with electronic cards 8, accommodation space 20 mainly comprises one parallel with insulating body 2 upper surfaces 26 ccontaining 203, be provided with for ccontaining 203 some in order to accommodate the terminal containing slot of conducting terminal group, plug surface 25 on the insulating body 2 is the front ends that are positioned on insulating body 2 length directions, the rear surface 200 of accommodation space 20 is concaved with some the first terminal accepting grooves 21 that run through insulating body 2, in order to accommodate first conducting terminal 41, second terminal containing slot 22 is located at the below of the first terminal accepting groove 21, in order to accommodate second conducting terminal 42, second conducting terminal 42 extends to accommodation space 20 central authorities always and is positioned at the place ahead of first conducting terminal 4, also be provided with the 3rd terminal containing slot 23 in the place ahead of second terminal containing slot 22, be positioned at the place ahead of second conducting terminal 42 in order to accommodate the 3rd conducting terminal 43, the three conducting terminals 43.Also be provided with some blocks 204 on ccontaining 203 between some first conducting terminals 41 and second terminal containing slot 22,, avoid wrong plug electronic cards 8 in order to stop not corresponding electronic cards 8 contacts first conducting terminal 41 to upper process.

Shielding casing 3 comprises a rectangular main part 30, and by downward the extension and the sidewall 31 vertical of main part 30 bendings with main part, shielding casing 3 is covered on the insulating body 2, described main part 30 centre positions are provided with by what main part 30 was the bending of angle downwards and compress sheet 32, when electronic cards 8 is inserted accommodation space 20, compress sheet 32 and be held in the upper surface of electronic cards 8, make electronic cards 8 more firm with the grafting of card connector 100.

The both sides of accommodation space 20 are provided with shell fragment 6, shell fragment 6 includes first shell fragment 60 and second shell fragment 61 that is separately positioned on right side wall 28 and left side wall 27,6 pairs of cards of shell fragment play a clamping action when MS card 85 inserts between the shell fragment 6, prevent to be stuck in double swerve in the accommodation space 20, first shell fragment 60 comprises first L-shaped fixed part 600 and first pressure section 601 that is used for clamping MS card 85, second shell fragment 61 comprises second L-shaped fixed part 610 and second pressure section 611 that is used for clamping MS card 85, first fixed part 600 and second fixed part, 610 edges bury and are molded in the insulating body 2, in other embodiments, also can be arranged with L-shaped groove and be used for accommodating first fixed part 600 and second fixed part 610, can produce a desired effect equally at insulating body 2 upper surfaces 26.

The left side wall 27 of insulating body 2 also is provided with a detecting terminal group 5 with the electrical admittance of circuit board; whether be write-protect state to detecting terminal group 5 and whether be inserted into the position if being used to detect SD card 82; detecting terminal group 5 comprises the first detecting terminal 50; the second detecting terminal 51 and the 3rd detecting terminal 52; the first detecting terminal 50 comprises first contact part 501 of a bending; the second detecting terminal 51 comprises first contact site 510 and the second crooked contact part 511; the 3rd detecting terminal 52 comprises one second contact site 520; when SD card 82 has just begun to insert; the sidewall of SD card 82 supports first contact part 501 always; first contact part 501 is pressed on first contact site 510 all the time; when treating that 82 grafting of SD card put in place; the front end of SD card 82 supports second contact part 511; conflicted in second contact part 511 and on second contact site 520, reach electric connection; this moment, circuit board will be subjected to the signal that SD card 82 has been pegged graft and put in place; the side that SD card 82 supports detecting terminal group 5 is provided with a chute; be provided with in the chute one can before and after the write-protect slide block 820 that slides; SD card 82 has been pegged graft when putting in place; write-protect slide block 820 can be slided and continue to support first contact part 501 on one side and make the contact part 501 of winning continue to be connected on first contact site 510; write-protect slide block 820 also can be slided at another side and not compress first contact part 501; make first contact part 501 fall into chute and interrupt being connected of first contact part 501 and first contact site 510, so just can detect SD card 82 and whether be in the write-protect state.

Be concaved with some near plug surface 25 places on ccontaining 203 of insulating body 2 in order to accommodate the 4th terminal containing slot 24 of the 4th conducting terminal 44, the 4th conducting terminal 44 comprises one the 4th holding parts 440, the 4th holding parts 440 is housed in the 4th terminal containing slot 24, the 4th holding parts 440 1 ends extend the 4th weld part 442 in order to soldered circuit board, the 4th holding parts 440 other ends extend two cylinders 202 that the 4th elastic contact part 441, the four terminal containing slots 24 both sides in order to the current-carrying part 80 of contact XD card 81 also respectively convex with.

Position-limit mechanism 7 is installed at close plug surface 25 places of insulating body 2 in the present embodiment, position-limit mechanism 7 comprises kickboard 70, edge buries retaining piece 71 that takes shape in the kickboard 70 and the spring 72 that is installed on kickboard 70 lower surfaces, described kickboard 70 is the thin plate of a rectangle and is contained in the accommodation space 20, the upper surface of kickboard 70 is the guide surface 73 of level, the convex protuberance 700 that is provided with two lengthwises in the both sides of kickboard 70 guide surfaces, described protuberance 700 outwards protrudes out the restrictions 705 of lengthwise on the longitudinally of kickboard 70, in accommodation space 20, respectively protrude out the restriction bar 29 of a horizontal lengthwise on the left side wall 27 of described insulating body 2 and the right side wall 28, accommodate the restrictions 705 of kickboard 70 between restriction bar 29 and ccontaining 203, thereby kickboard 70 is limited in the accommodation space 20, protuberance 700 is provided with hollow-out parts 703, and this hollow-out parts 703 runs through kickboard 700 upper and lower surfaces.Retaining piece 71 comprises that an edge is embedded in the kickboard 700 and the holding parts 710 of middle hollow out, the both sides of holding parts 710 are towards the extension of plug surface 25 direction one and be bent to form two flexure strips 711 that are arranged on the hollow-out parts 703, flexure strip 711 is upwards lifted by holding parts 71 and flexure strip 711 front ends are bent to form bend 7110 downwards, and bend 7110 front ends are an inclined plane 7111.Be concaved with four installing holes 701 that are used for mounting spring 72 on four angles of the lower surface of kickboard 70 respectively, described spring 72 1 ends are fastened in the installing hole 701, the other end then is installed on four corresponding cylinders 202 of 70 4 installing holes in position and kickboard on 2 ccontaining 203 of the insulating bodies 701, so, kickboard 70 is installed on the card connector 100 by spring 72.When MS Duo card 86 inserts, MS Duo card 86 lower surfaces are held in the guide surface 73 of position-limit mechanism 7, guide surface 73 translation along the vertical direction, the power that imposes on MS Duo card 86 front and back ends is even, therefore, MS Duo card 86 can insert reposefully, and both sides are contained between two protuberances 700 of kickboard 70, what upper surface then was held in shielding casing 3 compresses sheet 32 times, and so MS Duo card 86 just can be stablized and is immobilizated in the card connector 100.When the electronic cards 8 of being a bit larger tham MS Duo card 86 is inserted, inwardly insert along the upper surface of position-limit mechanism 7 protuberances 700 the lower surface both sides of this electronic cards 8, be positioned at the flexure strip 711 on the protuberance 700 up to conflicting to, electronic cards 8 front ends upwards progressively are pressed on the bend 7110 of flexure strip 711 along the inclined plane 7111 of flexure strip 711 front ends, so the bend 7110 of flexure strip 711 supports the lower surface that ends in electronic cards 8, and the upper surface of electronic cards 8 is supported by the sheet 32 that compresses on the shielding casing 3, at this moment, electronic cards 8 just can firmly be plugged in the card connector 100.In other embodiments, also flexure strip 711 can be set on the position-limit mechanism 7, or near an end of plug surfaces 25 lead-in chamfered (not shown) is set at two protuberances 700 and inserts in order to the bigger electronic cards 8 of guiding, after electronic cards 8 is inserted, the guide surface 73 of protuberance 700 supports the lower surface of electronic cards 8, so, this card connector 100 bigger electronic cards 8 of just pegging graft reposefully.

Also be concaved with some and the corresponding groove 700 in the 4th conducting terminal 44 positions on the kickboard 70 of position-limit mechanism 7, groove 700 runs through kickboard 70, when XD card 81 is inserted into, position-limit mechanism 7 is stressed to pressing down, the contact site of the 4th conducting terminal 44 passes the current-carrying part 80 that groove 700 touches XD card 81, thereby realizes the electric connection of card connector 100 and XD card 81.

MS card 85 in the utility model, MS Duo card 86,81 explanations of XD card only are to be used for for example, are not the electronic cards 8 that the utility model is limited to this kind form.

Claims (10)

1. card connector, comprise insulating body and plurality of conductive terminals, insulating body comprises plug surface and the accommodation space that is used to accommodate at least the first electronic cards and second electronic cards that caves inward and form from plug surface, described conducting terminal is provided with the contact site that extends into accommodation space and match with first electronic cards and second electronic cards at least, it is characterized in that: described card connector also is provided with relative insulating body position-limit mechanism of translation up and down in accommodation space, and described position-limit mechanism is provided with the horizontal guide surface of guiding first electronic cards, bootstrap face both sides to upper process in order to limit the longitudinal protrusions of first electronic cards.

2. card connector as claimed in claim 1 is characterized in that: described protuberance is provided with in pairs, forms the depressed part of accommodating first electronic cards between the protuberance.

3. card connector as claimed in claim 1 is characterized in that: the both sides of described accommodation space are provided with the shell fragment that is used for the clamping electronic cards.

4. card connector as claimed in claim 1, it is characterized in that: described position-limit mechanism comprises kickboard and is installed on the spring of kickboard lower surface, described protuberance is provided with the restrictions that outwards protrudes out, insulating body comprises two sidewalls and connection two side ccontaining, described sidewall protrudes out in accommodation space in order to compress the restriction bar of restrictions, accommodate the restrictions of protuberance between restriction bar and ccontaining, spring clip is held between kickboard lower surface and ccontaining.

5. card connector as claimed in claim 4 is characterized in that: described kickboard below is provided with the installing hole in order to mounting spring, and insulating body is provided with the cylinder in order to mounting spring.

6. card connector as claimed in claim 1 is characterized in that: described conducting terminal comprises some the 4th conducting terminals that are located near plug surface, and described position-limit mechanism is provided with some grooves that supply the 4th conducting terminal to run through.

7. card connector as claimed in claim 6, it is characterized in that: described the 4th conducting terminal is positioned at the most close plug surface place on the length direction of insulating body, described conducting terminal also comprises the 3rd conducting terminal that is positioned at the 4th conducting terminal rear, first conducting terminal that is positioned at second conducting terminal at the 3rd conducting terminal rear and is positioned at the second conducting terminal rear, and described first conducting terminal is located at away from the plug surface place.

8. card connector as claimed in claim 7 is characterized in that: on the length direction of insulating body, be provided with the block to upper process between first conducting terminal and second conducting end.

9. card connector as claimed in claim 1, it is characterized in that: the flexure strip that also is provided with guiding restriction second electronic cards on the described protuberance, flexure strip is an angle and upwards lifts and be bent to form the bend that is used to support electronic cards downwards, and bend the place ahead is provided with the inclined plane that guiding second electronic cards is inserted.

10. card connector as claimed in claim 1 is characterized in that: described card connector also comprises a shielding casing that hides in insulating body, and described shielding casing is provided with in order to compress the sheet that compresses of electronic cards upper surface.

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