CN203398450U - Improved structure of card connector - Google Patents

Abstract

The utility model provides an improved structure of a card connector. An insulating seat body with an accommodating space is arranged in the card connector, and is respectively provided with terminal slots and fixing slots for respectively installing signal terminals and detection terminals for terminal groups. The terminal slot side edge is provided with a sliding portion for installing a sliding device. A shielding housing covers above an insulating housing, and a cantilever of the shielding housing presses against a detecting terminal. A preset electronic card is inserted in the accommodating space in the insulating seat body, and the cantilever is pushed towards the outside of the shielding housing to be away from the detecting terminal. The cantilever has sufficient space for maintaining better elastic stretching and deformation, thereby prolonging the service lifetime. The preset circuit board accurately detects that the preset electronic card is inserted in place so as to carry out data transmission.

Description

The improvement structure of card connector

Technical field

The utility model relates to a kind of improvement structure of card connector, espespecially by default electronic cards, insert in accommodation space cantilever is pushed away to inspection terminal, and there is sufficient space for cantilever, can keep good elastic stretch, distortion, so increase the service life, and make preinstalled circuit plate accurately judge that the plug-in card of default electronic cards puts in place, and carry out the transmission of data with default electronic cards.

Background technology

Electronics technology technical development is now quick, and the popularization degree of various electronic installation is also more and more higher, as mobile phone, Smartphone, personal digital assistant (PDA), hand held Game device, digital still camera, desktop computer, notebook computer or panel computer etc., yet along with the use function of electronic installation constantly increases, expand, the formula of application etc. are also more and more many, the archives of required storage, data also day by day increases, and except the built-in existing memory body of electronic installation, various electronic installation also all can pass through external connected electronic card, to expand memory capacity and to store more data, archives or application etc., and after electronic cards stores data, electronic cards is plugged in the card connector of relative pattern, as multimedia memory card (MMC), safe digital card (SD), smart media cards (SM), compact flash (CF), memory card (MS), electronic wafer card or be the card connector etc. that basis changes all kinds of patterns such as design by above-mentioned electronic cards, recycling card connector is electrically connected at preinstalled circuit plate, for the data transmission between preinstalled circuit plate and electronic cards, and carries out the storage of data, delete, the operations such as modification.

Refer to shown in Fig. 7, it is the vertical view of existing card connector, in figure, can know and find out, existing card connector A is formed with docking space A0, for electronic cards, insert and make the plural number transmission contact of electronic cards to form electric connection with the plural transmission terminal A1 of card connector A inside respectively, and be provided with push unit A2 in conducting terminal A1 mono-side, for electronic cards, promoting push unit A2 forms location or moves back card state, and in being provided with interior inspection terminal A3 away from push unit A2 mono-side, while so making electronic cards insert, interior inspection terminal A3 is passed laterally and is in electrical contact with outer inspection terminal A4, preinstalled circuit plate judgement electronic cards for existing card connector A outside is inserted in existing card connector A really, and carry out the data transmission between preinstalled circuit plate and electronic cards, and the data in electronic cards is stored, delete, the operations such as modification.

Yet, existing card connector A is when putting detecting in place to electronic cards, interior inspection terminal A3 is subject to respectively the extruding of electronic cards and outer inspection terminal A4 simultaneously in two sides, and make interior inspection terminal A3 easily produce elastic fatigue, and then cause shorten the useful life of interior inspection terminal A3, and make preinstalled circuit plate and electronic cards when carrying out data transmission, preinstalled circuit produces erroneous judgement to inserting of electronic cards, and break among causing data transmission, cause what is more the damage of archives.

Therefore, how to solve existing problem and disappearance, be the relevant manufacturer that is engaged in the industry and desire most ardently the direction place that research improves.

Summary of the invention

For the deficiencies in the prior art, the purpose of this utility model is: provide a kind of improvement structure of card connector, with the plug-in card of the default electronic cards of contact condition judgement of inspection terminal and the cantilever situation that puts in place.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of improvement structure of card connector, include insulating base frame, terminal group, carriage and shield shell, this insulating base frame is provided with the accommodation space of inserting for default electronic cards, and the complex signal terminal that is provided with confession terminal group in this accommodation space is distinguished the plural terminals groove of contraposition installing, each terminal groove side at accommodation space is provided with the slipping part for this carriage Moveable assembled again, and insulating base frame is assembled and has been covered this shield shell above accommodation space, it is characterized in that:

This insulating base frame is provided with holddown groove at the plural terminals groove side of accommodation space, this holddown groove is equiped with the inspection terminal of terminal group, inspection terminal is extended with contact site in a side after side turnover, contact site is bent with the contact-making surface that is positioned at accommodation space up, and at shield shell, is provided with respect to contact-making surface the cantilever contacting with contact site contraposition.

Wherein: this inspection terminal opposite side is provided with and is the backward horizontally extending welding foot of continuous bending, inspection terminal lateral margin between welding foot and contact site convexes with fixed block towards vertical direction again, and with respect to fixed block, in the holddown groove of insulating base frame, is provided with the fixing hole that is embedded location for fixed block.

Wherein: this cantilever is provided with to the pressure section of inside of shield casings bent tabs.

Wherein: this insulating base frame is through with opening outwardly in accommodation space one side, and at each terminal groove opposite side of accommodation space, be formed with respectively the perforation connecting to insulating base frame outside with respect to this opening, the weld part that is equipped with each signal terminal one side in each perforation, is respectively equipped with again the plural metallic contact transport part in electrical contact for default electronic cards surface from each weld part toward each signal terminal opposite side.

Wherein: this slipping part is being concaved with shrinkage pool near holddown groove one side, for flexible member, insert and be sheathed on a side projection of groove side wall top, sliding component supplies the sheathed axostylus axostyle of flexible member opposite side parallel the convexing with of a side, and adjacent axostylus axostyle is extended with the passing piece for default electronic cards pushing tow at this side edge bending of sliding component, and in sliding component opposite side surface, be provided with the heart-shaped chute of inserting for the sliding axle of connecting rod one lateral buckling away from passing piece and axostylus axostyle, and the opposite side of connecting rod is bent with protruding axle more in the same way, to insert groove in the shrinkage pool that another side was arranged with of slipping part, the shield shell of shrinkage pool top is compressing the stator above connecting rod near being provided with inwards oblique extension elasticity in the hollow out frame groove of side corner.

Wherein: this chute one side has location notch, and location notch is extended with plug-in card slide rail, moves back card slide rail toward sliding component surface one side bifurcated, and at the plug-in card slide rail of forked and the separated outside of moving back card slide rail, towards inside, be concaved with interconnective clamping slot respectively, this location notch is gradually rising shape towards plug-in card slide rail, and plug-in card slide rail along clamping slot, move back card slide rail and decline, move back card slide rail and be gradually rising shape above location notch.

Wherein: this insulating base frame is respectively equipped with plural binding block at two relative outer side surfaces of parallel plural terminals groove, two opposite side walls of shield shell are respectively equipped with plural number for the buckling groove of the mutual chimeric assembling of each binding block.

Compared with prior art, adopt the advantage the utlity model has of technique scheme to be: when default electronic cards is inserted the accommodation space of insulating base frame, make interior cantilever to be pushed away to inspection terminal, and there is sufficient space for cantilever, can keep good elastic stretch, distortion, so increase the service life, and make preinstalled circuit plate accurately judge that the plug-in card of default electronic cards puts in place, and carry out the transmission of data with default electronic cards, the data in default electronic cards is made store, delete, the operation such as modification.

Accompanying drawing explanation

Fig. 1 is stereo appearance figure of the present utility model;

Fig. 2 is three-dimensional exploded view of the present utility model;

Fig. 3 is side cutaway view of the present utility model;

Fig. 4 is the stereo amplification figure of the utility model sliding component;

Fig. 5 is the three-dimensional exploded view of the utility model preferred embodiment;

Fig. 6 is the side cutaway view of the utility model preferred embodiment;

Fig. 7 is the vertical view of existing card connector.

Description of reference numerals: 1-insulating base frame; 10-accommodation space; 11-opening; 12-binding block; 13-terminal groove; 130-perforation; 14-holddown groove; 140-fixing hole; 15-slipping part; 150-groove; 151-projection; 152-shrinkage pool; 2-terminal group; 21-signal terminal; 211-transport part; 212-weld part; 22-inspection terminal; 221-contact site; 2211-contact-making surface; 222-welding foot; 223-fixed block; 3-carriage; 31-sliding component; 311-passes piece; 312-axostylus axostyle; 313-chute; 3131-location notch; 3132-plug-in card slide rail; 3133-clamping slot; 3134-moves back card slide rail; 32-flexible member; 33-connecting rod; 331-sliding axle; The protruding axle of 332-; 4-shield shell; 41-buckling groove; 42-stator; 43-cantilever; 431-pressure section; 5-presets electronic cards; 51-metallic contact; The existing card connector of A-; A0-docks space; A1-transmission terminal; A2-push unit; Inspection terminal in A3-; The outer inspection terminal of A4-.

Embodiment

For reaching above-mentioned purpose and effect, the technological means that the utility model adopts and structure thereof, hereby draw and illustrate with regard to preferred embodiment of the present utility model that in detail its features and functions is as follows, in order to do profit, understands completely.

Refer to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, it is the stereo amplification figure of stereo appearance figure of the present utility model, three-dimensional exploded view, side cutaway view, sliding component, by knowing and find out shown in figure, the improvement structure of the utility model card connector comprises insulating base frame 1, terminal group 2, carriage 3, shield shell 4, wherein:

This insulating base frame 1 is formed with accommodation space 10 in a side direction sunken inside, and be through with opening 11 outwardly in accommodation space 10 1 sides, and be provided with plural binding block 12 in the relative outer side surface of insulating base frame 1 two, accommodation space 10 is provided with plural terminals groove 13 in bottom again, and each terminal groove 13 1 sides are formed with respectively the perforation 130 connecting to insulating base frame 1 outside, and plural terminals groove 13 1 sides of accommodation space 10 are provided with the holddown groove 14 connecting outwardly, holddown groove 14 is concaved with fixing hole 140 to insulating base frame 1 surface again, insulating base frame 1 is provided with in the side of terminal groove 13 slipping part 15 that is recess again, and be provided with groove 150 in slipping part 15 1 sides of nearly holddown groove 14, and groove 150 side wall surface tops are provided with projection 151 relatively, in nearly opening 11 sides of slipping part 15, be concaved with shrinkage pool 152 again.

This terminal group 2 includes complex signal terminal 21 and inspection terminal 22, each signal terminal 21 1 sides oblique transport part 211 that is elastic heave that is extended with respectively wherein, Er Youge transport part 211 is extended respectively and is provided with weld part 212 towards signal terminal 21 opposite sides, inspection terminal 22 is extended with contact site 221 after transferring in a side towards side again, contact site 221 is bent with contact-making surface 2211 towards top, and contact site 221 is provided with and is the backward horizontally extending welding foot 222 of continuous bending in inspection terminal 22 opposite sides relatively, inspection terminal 22 lateral margins in 221 of welding foot 222 and contact sites convex with fixed block 223 towards vertical direction again.

This carriage 3 is provided with the sliding component 31 of long straight shape, and in sliding component 31 1 sides towards side edge bending, be extended with and pass piece 311, the parallel axostylus axostyle 312 that convexes with of sliding component 3 another sides of adjacent passing piece 311 again, on axostylus axostyle 312, supply to be arranged with again flexible member 32, and in sliding component 31 opposite side surfaces, be provided with heart-shaped chute 313 away from passing piece 311 and axostylus axostyle 312, for chute 313 1 sides in paraxial bar 312 have location notch 3131, and toward a side bifurcated, be extended with plug-in card slide rail 3132 from location notch 3131, move back card slide rail 3134, and towards inside, be concaved with interconnective clamping slot 3133 respectively at the plug-in card slide rail 3132 of forked and the separated outside of moving back card slide rail 3134, separately be provided with connecting rod 33 with the sliding axle 331 of a lateral buckling to be sheathed on the chute 313 of sliding component 31, and connecting rod 33 is provided with the protruding axle 332 of bending in the same way again in the opposite side of relative sliding axle 331.

This shield shell 4 is ㄇ shape lid shape, and make with metal material, as iron, tin or aluminium, and in two opposing sidewalls faces, be respectively equipped with the buckling groove 41 of plural hollow out, and in the hollow out frame groove inside of the surperficial proximal edges corner of shield shell 4, be provided with the stator 42 of inwards oblique extension, relatively in the surperficial opposite side hollow out frame groove of stator 42, be provided with cantilever 43, cantilever 43 is provided with the pressure section 431 to inner bent tabs again again.

The set chute 313 of sliding component 31 1 sides of aforementioned carriage 3, by location notch 3131, towards plug-in card slide rail 3132, be skewed oblique rising, plug-in card slide rail 3132 opposite sides reduce and extend to clamping slot 3133, and towards moving back card slide rail 3134 places, extend decline by clamping slot 3133, by moving back card slide rail 3134, towards location notch 3131 places, be skewed oblique rising, form complete chute 313 structures.

Refer to Fig. 1, Fig. 2, shown in Fig. 3, it is stereo appearance figure of the present utility model, three-dimensional exploded view, side cutaway view, by knowing and find out shown in figure, the utility model is when assembling, first with plural terminals groove 13 and the holddown groove 14 of insulating base frame 1, for each signal terminal 21 and inspection terminal 22 contrapositions of terminal group 2, insert respectively, make oblique terminal groove 13 tops that protrude from respectively, each signal terminal 21 transport part 211, and the weld part 212 of each signal terminal 21 opposite sides extends respectively 130 outsides of respectively boring a hole of insulating base frame 1, and inspection terminal 22 penetrates in holddown groove 14, and utilize fixed block 223 to embed the fixing hole 140 of holddown groove 14 bottoms, to fasten, be positioned at insulating base frame 1, the welding foot 222 for inspection terminal 22 1 sides is being arranged in parallel of copline shape with the weld part 212 of each signal terminal 21 in insulating base frame 1 outside, in the slipping part 15 of insulating base frame 1 one sides, for the sliding component 31 of carriage 3, insert again, make to be sheathed on sliding component 31 axostylus axostyle 311 flexible member 32 opposite sides again contraposition be sheathed on the projection 151 that groove 150 side wall surfaces protrude, separately with protruding axle 332 build-ins of connecting rod 33 1 sides, in the shrinkage pool 152 of slipping part 15 opposite sides, to form, locate, and for the sliding axle 331 activity displacements of connecting rod 33 opposite sides when the chute 313 of sliding component 31 is interior, can be the swing of proper range, and cover shield shell 4 in insulating base frame 1 outside, it relies on each binding block 12 difference contraposition buckles of two relative outer side surfaces of insulating base frame 1 to be located to form inlay card in each buckling groove 41 of shield shell 4 two side wall surfaces, make the unsettled side elasticity of cantilever 43 of shield shell 4 to the contact-making surface 2211 that is affixed on the contact site 221 tops turnovers of inspection terminal 22, and 42 elasticity of the stator of shield shell 4 press on the connecting rod 33 of carriage 3, and by means of above-mentioned insulating base frame 1, terminal group 2, carriage 3, shield shell 4 members such as grade, just complete the assembling of the improvement structure of the utility model card connector.

The plural terminals groove 13 of aforementioned dielectric pedestal 1 and holddown groove 14 are inserted for each signal terminal 21 and the inspection terminal 22 of terminal group 2 respectively, also available imbedding penetrated the mode mould processing (InsertMol ding) and fixed, make oblique terminal groove 13 tops that protrude from respectively, each signal terminal 21 transport part 211, and the weld part 212 of each signal terminal 21 opposite sides extends respectively 130 outsides of respectively boring a hole of insulating base frame 1, and inspection terminal 22 penetrates in holddown groove 14, and utilize fixed block 223 to embed the fixing hole 140 of holddown groove 14 bottoms, to fasten, be positioned at insulating base frame 1, the welding foot 222 for inspection terminal 22 1 sides is being arranged in parallel of copline shape with the weld part 212 of each signal terminal 21 in insulating base frame 1 outside.

Refer to Fig. 4, Fig. 5, shown in Fig. 6, it is the stereo amplification figure of the utility model sliding component, the three-dimensional exploded view of preferred embodiment, the side cutaway view of preferred embodiment, by knowing and find out shown in figure, the utility model is when being used, first with the weld part 212 of the set complex signal terminal 21 of terminal group 2 and 222 welderings of the welding foot of inspection terminal 22, being located at preinstalled circuit plate is electrically connected to form, opening by insulating base frame 1 and 4 sides of shield shell 11 pushes accommodation space 10 when carrying out card action for default electronic cards 5 again, default electronic cards 5 is squeezed the passing piece 311 of the sliding component 31 of carriage 3 with a thruster, and the default electronic cards 5 of promotion makes sliding component 31 slide in the slipping part 15 of insulating base frame 1, now the sliding axle 331 of connecting rod 33 relies on sliding component 31 in the slip of slipping part 15 and along plug-in card slide rail 3132, rises to clamping slot 3,133 one sides in the location notch 3131 of chute 313, and the reaction elastic force that on the axostylus axostyle 311 by sliding component 31, sheathed flexible member 32 is squeezed produced makes the sliding axle 331 of connecting rod 33 decline and embed location towards clamping slot 3133, wherein, connecting rod 33 relies on the elasticity of the stator 42 of shield shell 4 to compress, and the sliding axle 331 that makes connecting rod 33 unlikely ejection when chute 313 upper and lower displacement of sliding component 31, and the opposite side table limit of default electronic cards 5 relative each metallic contacts 51 is the pressure section 431 of pushing in the cantilever 43 of shield shell 4 to inner bent tabs, and make the unsettled side of cantilever 43 towards shield shell 4 outside displacements and away from the contact-making surface 2211 of contact site 221 tops of inspection terminal 22, and rely on the contact site 221 of inspection terminal 22 and the released state of cantilever 43 to be really plugged in the accommodation space 10 of insulating base frame 1 for the default electronic cards 5 of preinstalled circuit plate judgement, so complete the card action of preinstalled circuit card 5, and make the plural metallic contact 51 of default electronic cards 5 by being electrically connected at respectively each signal terminal 21Yi Ce transport part 211 of terminal group 2, really to carry out the data transmission of 5 of preinstalled circuit plate and default electronic cards.

The utility model in preset electronic cards 5 move back card motion time, first press the outboard end that default electronic cards 5 is exposed to the opening 11 of insulating base frame 1, for default electronic cards 5 one thrusters, squeeze the passing piece 311 of the sliding component 31 of carriage 3, sliding component 31 is slided in the slipping part 15 of insulating base frame 1, now the sliding axle 331 of connecting rod 33 is positioned at the clamping slot 3133 of chute 313, and rely on sliding component 31 to drop to and move back card slide rail 3,134 one sides in the slip of slipping part 15, and the reaction elastic force that on axostylus axostyle 311 by sliding component 31, sheathed flexible member 32 is squeezed produced makes the sliding axle 331 of connecting rod 33 rise and embed in allocation location notch 3131 along moving back card slide rail 3134, and the passing piece 311 that drives sliding component 31 is released the opening 11 of insulating base frames 1 by default electronic cards 5 and away from the pressure section 431 of the cantilever 43 of shield shell 4, for the unsettled side of cantilever 43, towards shield shell 4 displacements and with the contact-making surface 2211 of the contact site 221 tops turnovers of the inspection terminal 22 of terminal group 2, conflict, and by preinstalled circuit plate, the default electronic cards 5 of nothing in the accommodation space of the conflict state judgement insulating base frame 1 of inspection terminal 22 and cantilever 43 is inserted, so complete the card motion that moves back of default electronic cards 5.

The utility model is that the accommodation space 10 that utilizes the inspection terminal 22 of terminal group 2 and the cantilever 43 of shield shell 4 to be placed in insulating base frame 1 in default electronic cards 5 is when interior, with preset electronic cards 5 one sides by cantilever 43 pushing tows towards to the outside of shield shell 4, and there is sufficient space for cantilever 43, can keep good elastic stretch, distortion, so increase the service life, and make preinstalled circuit plate accurately detect default electronic cards 5 plug-in cards, put to carry out the transmission of data in place.

The weld part 212 of the complex signal terminal 21 that aforementioned terminal group 2 is set and the welding foot 222 of cantilever 22 can surface adhering technical (SMT) or the next and preinstalled circuit plate formation electric connections in affixed modes such as punched-types (Through Hole).

Aforementioned default electronic cards 5 can be user's identity module card (SIM), multimedia memory card (MMC), safe digital card (SD), smart media cards (SM), compact flash (CF), memory card (MS), smart card (Smart Card), radio net an outpost of the tax office or is the electronic cards that basis changes all kinds of patterns such as design by above-mentioned electronic cards.

The utility model is the improvement structure mainly for card connector, comprise insulating base frame 1, terminal group 2, carriage 3, shield shell 4, wherein, this insulating base frame 1 is provided with the accommodation space 10 of inserting for default electronic cards 5, and be provided with the complex signal terminal 21 contrapositions installing respectively for terminal group 2 in plural terminals groove 13, each terminal groove 13 sides in accommodation space 10 are provided with slipping part 15 again, for carriage 3 Moveable assembleds, and insulating base frame 1 is in accommodation space 10 top assemblings, cover shield shell 4, its improvement is: this insulating base frame 1 is provided with holddown groove 14 in plural terminals groove 13 sides of accommodation space 10, holddown groove 14 is equiped with the inspection terminal 22 of terminal group 2, inspection terminal 2 is transferred in a side towards side to extend afterwards and is provided with towards top turnover to the contact site 221 that is positioned at accommodation space 10, and relative contact site 221 and be provided with the cantilever 43 contacting with contact site 221 contrapositions in shield shell 4 surfaces.More than illustrate the utility model just illustrative; and nonrestrictive, those of ordinary skills understand, in the situation that do not depart from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but within all falling into protection range of the present utility model.

Claims (7)

1. the improvement structure of a card connector, include insulating base frame, terminal group, carriage and shield shell, this insulating base frame is provided with the accommodation space of inserting for default electronic cards, and the complex signal terminal that is provided with confession terminal group in this accommodation space is distinguished the plural terminals groove of contraposition installing, each terminal groove side at accommodation space is provided with the slipping part for this carriage Moveable assembled again, and insulating base frame is assembled and has been covered this shield shell above accommodation space, it is characterized in that:

This insulating base frame is provided with holddown groove at the plural terminals groove side of accommodation space, this holddown groove is equiped with the inspection terminal of terminal group, inspection terminal is extended with contact site in a side after side turnover, contact site is bent with the contact-making surface that is positioned at accommodation space up, and at shield shell, is provided with respect to contact-making surface the cantilever contacting with contact site contraposition.

2. the improvement structure of card connector according to claim 1, it is characterized in that: this inspection terminal opposite side is provided with and is the backward horizontally extending welding foot of continuous bending, inspection terminal lateral margin between welding foot and contact site convexes with fixed block towards vertical direction again, and with respect to fixed block, in the holddown groove of insulating base frame, is provided with the fixing hole that is embedded location for fixed block.

3. the improvement structure of card connector according to claim 1, is characterized in that: this cantilever is provided with to the pressure section of inside of shield casings bent tabs.

4. the improvement structure of card connector according to claim 1, it is characterized in that: this insulating base frame is through with opening outwardly in accommodation space one side, and at each terminal groove opposite side of accommodation space, be formed with respectively the perforation connecting to insulating base frame outside with respect to this opening, the weld part that is equipped with each signal terminal one side in each perforation, is respectively equipped with again the plural metallic contact transport part in electrical contact for default electronic cards surface from each weld part toward each signal terminal opposite side.

5. the improvement structure of card connector according to claim 1, it is characterized in that: this slipping part is being concaved with shrinkage pool near holddown groove one side, for flexible member, insert and be sheathed on a side projection of groove side wall top, sliding component supplies the sheathed axostylus axostyle of flexible member opposite side parallel the convexing with of a side, and adjacent axostylus axostyle is extended with the passing piece for default electronic cards pushing tow at this side edge bending of sliding component, and in sliding component opposite side surface, be provided with the heart-shaped chute of inserting for the sliding axle of connecting rod one lateral buckling away from passing piece and axostylus axostyle, and the opposite side of connecting rod is bent with protruding axle more in the same way, to insert groove in the shrinkage pool that another side was arranged with of slipping part, the shield shell of shrinkage pool top is compressing the stator above connecting rod near being provided with inwards oblique extension elasticity in the hollow out frame groove of side corner.

6. the improvement structure of card connector according to claim 5, it is characterized in that: this chute one side has location notch, and location notch is extended with plug-in card slide rail, moves back card slide rail toward sliding component surface one side bifurcated, and at the plug-in card slide rail of forked and the separated outside of moving back card slide rail, towards inside, be concaved with interconnective clamping slot respectively, this location notch is gradually rising shape towards plug-in card slide rail, and plug-in card slide rail along clamping slot, move back card slide rail and decline, move back card slide rail and be gradually rising shape above location notch.

7. the improvement structure of card connector according to claim 1, it is characterized in that: this insulating base frame is respectively equipped with plural binding block at two relative outer side surfaces of parallel plural terminals groove, two opposite side walls of shield shell are respectively equipped with plural number for the buckling groove of the mutual chimeric assembling of each binding block.

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