CN105048163B - Card connector - Google Patents

Abstract

A kind of card connector, it includes insulating body and some terminals being fixed on insulating body.The insulating body is provided with to support the supporting surface of docking electronic card.Each terminal includes the fixed part being fixed on insulating body, the contact arm that is connected and can be deformed along insulating body thickness direction generation resilient movement with fixed part.The contact arm has the docking section that projection exceeds the supporting surface.The card connector is provided with supporting plate in being located at docking section on its width at least at side, the supporting plate is arranged at intervals along insulating body thickness direction and docking section, the free end of the docking section, which is extended, sliding part, projection of the sliding part along insulating body thickness direction and the supporting plate are least partially overlapped, during causing the docking section towards supporting surface direction movement and deformation, the sliding part can slide in the supporting plate.

Description

Card connector

Technical field

The present invention relates to a kind of card connector.

Background technology

In recent years due to electronic card form storage media have compact, high storage capacity, it is shatter-proof, memory can be repeated several times Etc. excellent specific property, therefore widely it is used in information household appliances, personal computer or portable digital products.Electronic card with When electronic product connects, it is necessary to be used as transmission medium by card connector, in order to the reading and storage of main frame.It is existing Card connector in technology generally includes insulating body and some conducting terminals being fixed on insulating body.The insulation is originally Body has bottom wall and formed above bottom wall to house the host cavity of docking electronic card.The conducting terminal, which has, is fixed on insulation Fixed part and the into cantilever-shaped contact arm protruded into host cavity on body, the contact arm is corresponded on the bottom wall and is provided with The perforation run through up and down, to provide the contact arm certain elastic deformation space.But because card connector is typically welded and fixed On circuit boards, so that when with docking electronic card grafting, when contact arm is compressed by docking electronic card and deformed downwards, hold Easily supported through the perforation on insulating body bottom wall on circuit board, circuit board on the one hand can be made to bear certain resist force, On the other hand misconnection may be caused with the potential wire on circuit board.

Therefore, it is necessary to a kind of new card connector is designed, to solve above-mentioned technical problem.

The content of the invention

The problem of present invention exists for prior art, there is provided a kind of card connector, its structure setting is reasonable, can be effective Prevent terminal with dock moved down when electronic card abuts against deformation and abut to circuit board.

To achieve the above object, the invention provides a kind of card connector, it includes insulating body and is fixed on insulation originally Some terminals on body, the insulating body are provided with to support the supporting surface of docking electronic card, and each terminal includes fixing In the fixed part on insulating body, the contact that connects and can be deformed along insulating body thickness direction generation resilient movement with fixed part Arm, the contact arm have projection exceed the supporting surface docking section, the card connector on its width positioned at pair Socket part is at least additionally provided with supporting plate at side, the supporting plate is arranged at intervals along insulating body thickness direction and docking section, institute The free end for stating docking section is extended and has a sliding part, projection of the sliding part along insulating body thickness direction and the support Plate is least partially overlapped, and during causing the docking section towards supporting surface direction movement and deformation, the sliding part can be in the branch Slided on fagging to avoid contact with circuit board, the contact arm is additionally provided with supporting for the free terminal on its bearing of trend Portion, the insulating body has relative with the support division along contact arm bearing of trend and spaced abutment face, described right Socket part offsets towards the support division after the movement and deformation of supporting surface direction with abutment face.

As a further improvement on the present invention, the supporting plate is parallel with the supporting surface and is not higher than the supporting surface Set, and in the direction of insertion of docking electronic card, the length of the supporting plate is more than the length of the contact arm.

As a further improvement on the present invention, the terminal also have self-fixed department extend insulating body with a circuit The weld part that plate mutually welds, the contact arm are additionally provided with the kink bent from the sliding part end towards circuit board direction, The kink has the support division of the free terminal on contact arm bearing of trend.

As a further improvement on the present invention, the contact arm is in their extension direction in the tortuous extension of S shapes, the docking Portion is in V-shape of the opening towards supporting surface, and the contact arm is also arranged between docking section and fixed part including connection and with Three another V-type portions of terminal docking section opening direction identical.

As a further improvement on the present invention, the contact arm, which has, connects the docking section and foregoing another V-type portion First bending part, second bending part of the foregoing another V-type portion away from the side of docking section is arranged on, foregoing second bending part is along absolutely Edge body thickness direction is not higher than first bending part.

As a further improvement on the present invention, the fixed part entirety slabbing is arranged on same plane, and is had It is located at two ends at both ends along contact arm bearing of trend, the end is each attached in insulating body, the supporting plate connection Expose between the two ends and towards contact arm and set.

As a further improvement on the present invention, the contact arm is molded from the fixed part through tearing, and is being molded The opening both sides of the contact arm are each formed with the supporting plate, and the width of the sliding part is more than the width of the docking section, And the laterally extending projection beyond the part of docking section width overlaps with the supporting plate on the sliding part.

As a further improvement on the present invention, the arrangement of the terminal meets the standard of Micro SD cards.

As a further improvement on the present invention, the card connector includes first end subgroup, Second terminal group, the 3rd end Subgroup, two kinds of different electronic cards are at least conformed in three terminal groups, and the terminal forms third terminal group.

As a further improvement on the present invention, the insulating body includes bottom plate, and the bottom plate includes in plug-in card side Separately positioned front end-plate and end plate, the first end subgroup are fixed on front end-plate upwards, and the Second terminal group is fixed on End plate, the third terminal group is between first end subgroup and Second terminal group and connects front end-plate and end plate.

The beneficial effects of the invention are as follows：Card connector of the present invention by its width in terminal docking section at least Supporting plate is set at side, and supporting plate is arranged at intervals along insulating body thickness direction and docking section, while in docking section Free end is extended the sliding part parallel with the supporting plate, and projection of the sliding part along insulating body thickness direction and The supporting plate is least partially overlapped, when thus may be such that the docking section towards supporting surface direction movement and deformation, the slip Portion can slide in the supporting plate, support circuit board so as to not pass through insulating body, reduce the pressure of circuit board.

Brief description of the drawings

Fig. 1 is the three-dimensional combination figure of card connector of the present invention, and it contains electronic card.

Fig. 2 is the part isometric exploded view of card connector described in Fig. 1, and which show metal shell, electronic card and Kato Stereogram after being separated with insulating body.

Fig. 3 is that card connector of the present invention removes the part isometric exploded view after Kato, which show partially electronically conductive terminal, is moved back Mechanism for card and metal shell separated with insulating body after stereogram.

Fig. 4 is the stereogram of the third terminal of card connector of the present invention.

Fig. 5 is that card connector of the present invention removes the part isometric exploded view seen after Kato from another angle, and which show move back Mechanism for card and metal shell separated with insulating body after stereogram.

Fig. 6 is that card connector of the present invention removes the part isometric exploded view after Kato and metal shell, and which show insulation Stereogram after body separation.

Fig. 7 is that card connector of the present invention removes the top view after Kato and metal shell.

Embodiment

Below with reference to accompanying drawing, the present invention will be described in detail.In order to express easily, hereafter by the slotting of card connector 100 Card end is considered as front end, and its other end is considered as rear end.

Refer to shown in Fig. 1 to Fig. 3, the invention provides a kind of card connector 100, and it includes insulating body 1, is fixed on The trip mechanism 2 of insulating body side, some conducting terminals 3 being fixed in insulating body 1 and it is covered on insulating body 1 Metal shell 4.This invention also shows match the corresponding inserted used in insulating body 1 and metal with the card connector 100 Between shell 4 be used for carry the Kato 5 of electronic card and be inserted in the Kato 5 the first electronic card 6, the second electronic card 7 and 3rd electronic card 8.

Refer to shown in Fig. 3 and Fig. 4, the insulating body 1 includes bottom plate 11, two side plates positioned at the both sides of bottom plate 11 12, and the end plate 13 being connected positioned at the rear end of bottom plate 11 and with bottom plate 11, and formed with the receiving space for housing Kato 5（Not Sign）.The bottom plate 11 is provided with exposure what receiving space the supporting surface 110 with support docking electronic card or Kato 5.

The bottom plate 11 includes the front end-plate 111 positioned at front end and the end plate 112 positioned at rear end.In the present embodiment, The front end-plate 111 is fully disconnected with end plate 112 on plug-in card direction, the end plate 112 and the integrally connected of end plate 13.This Invention card connector 100 also includes some metallic plates 9, and the front end-plate 111 passes through metallic plate 9 with the both sides of end plate 112 It is connected with side plate 12.

Refer to shown in Fig. 2 to Fig. 6, the side plate 12 includes bottom wall 121 and upwardly extends shape by the upper surface of bottom wall 121 Into side wall 122, between the bottom wall 121 and side wall 122 in receiving space side formed it is step-like be used for carry Kato 5.It is described For side plate 12 in forming jagged 120 close to middle position on plug-in card direction, side plate 12 is broken into two sections by the breach 120.Institute The corresponding position of breach 120 of metallic plate 9 is stated to connect with breach 120 formed with a coordinate breach 91, the coordinate breach 91, and it is described Coordinate breach 91 is in being wider than breach 120 on the width of card connector.The setting of the breach 120 and coordinate breach 91 can drop In the rigidity on the direction of bottom plate 11 between the plug-in card front end and plug-in card rear end of low-calorie connector.In addition, in the present invention, will The bottom plate 11 is designed to this two-part structure for including front end-plate 111 and end plate 112, and by metallic plate 9 by described in Front end-plate 111, end plate 112 and side plate 12 are connected and fixed, and are ensureing that card connector 100 is same with relatively thin thickness When can further reduce card connector 100 in the rigidity on the direction of bottom plate 11, while can also ensure each of insulating body 1 Stability and overall integrity between plate.By the design of breach 120 and coordinate breach 91, so as to may be such that card connector 100 are being fixed to docking circuit board（It is not shown）When there is more preferable pasting board, ensure each weld part and electricity of card connector 100 The stable fixing of road plate, to realize the certain warpage of absorbing circuit plate.

Certainly in another embodiment, the bottom wall 121 also may be designed on card connector width with side wall 122 With identical width, in this embodiment, the part of bottom wall 121 should be identified as the following table of side plate 12 upwardly with bottom plate 11 have the part-structure of same thickness.

Certainly in another embodiment, the bottom wall 121 can also be designed to directly be bottom plate 11 a part, it is real herein Apply in example, it is to be upwardly extended to be formed by the upper surface of the both sides of bottom plate 11 that the side wall 122, which is,（Bottom wall 121 in this embodiment is For the structure of part backplane 11 immediately below side wall 122）, then be not required to be provided for connecting bottom board 11 and side plate 12 in this embodiment Metallic plate 9.In this embodiment, the breach 120 that side plate 12 is broken into rear and front end equally had into drop in setting on side plate 12 Low-calorie connector 100 is in the rigid effect on the direction of bottom plate 11.Kato 5 is plugged due to needing in the present embodiment, together When need to take into account to be designed to card connector 100 thinner, be to be connected side plate 12 and bottom plate 11 by metallic plate 9 with preferred scheme Connect, because metallic plate 9 compared with bottom plate 11 has more preferable intensity, can be designed in the case where needing equal minimum intensity requirement it is thinner, There is rub resistance, should not damage simultaneously.

The end plate 13 is recessed formed with the supporting part 131 for carrying trip mechanism 2 downwards at side.It is described to hold The upper surface of load portion 131 is convex to be provided with the rotating shaft 132 for being used for being pivotally connected trip mechanism 2.The position of end plate 13 of the insulating body 1 is also Formed with a slipping part 14, the upper surface of the slipping part 14 be located at the upper surface of supporting part 131 and bottom plate 11 upper surface it Between（In the corresponding present invention, on the thickness direction of card linker 100, the thickness of the slipping part 14 is more than the thickness of bottom plate 11 And less than the thickness of supporting part 131）.The slipping part 14 is used to carry support trip mechanism 2.In the present invention, the slipping part 14 include be recessed downwards from the supporting part 131 the carrying slipping part 141 that is formed and from the slipping part 141 that carries to collecting sky Between the horizontal-extending formation in side extension slipping part 142.

Refer to shown in Fig. 2 to Fig. 5, the trip mechanism 2 include can slide back and forth be fixedly arranged on the side of insulating body 1 Push rod 21 and card ejection 22.It is right by pivoted hole 221 formed with pivoted hole 221, the card ejection 22 on the card ejection 22 It should be articulated in the rotating shaft 132 of end plate 13.One end of the push rod 21 is formed with bayonet socket 211, and the card ejection 22 is close to side plate 12 ends are connected in the bayonet socket 211.The start principle of trip mechanism 3 in the present invention is known techniques, be will not be repeated here.Institute The corresponding downward projection of the opening position of slipping part 14 of card ejection 22 is stated formed with supporting part 222（As shown in Figure 4）.

The convex closure structure that supporting part 222 described in the present embodiment is formed by the downward punching press projection of card ejection 22.The support Corresponding be held on slipping part 14 in portion 222 is used to support card ejection 22.During the start of card ejection 22, the supporting part 222 Corresponding to rotating shaft 132 being that the center of circle is slided on slipping part 14, make trip mechanism 2 during start, particularly finish moving back card Afterwards, card ejection 22 moves back card end and will not sunk because of gravity or other reasonses, ensures in use flat of card ejection 22 Stability.

In actual effect, card end is moved back in the position of the supporting part 222 closer to card ejection 22, and card ejection 22 is in start Smoothness can be better.But due to consider that slipping part 14 protrudes into the length of receiving space to reduce the shadow to Kato 5 simultaneously Ring.Therefore the supporting part 222 is arranged on card ejection 22 to move back the interposition of card end and pivoted hole 221 for both ends in the present invention Put to take into account above-mentioned quality.The card ejection 22 close to the one end of push rod 21 the upward projection in upper surface formed with outside the metal The convex closure 223 that shell 4 is interfered, can be further ensured that the smoothness of card ejection 22 in use.

In another embodiment, the fit structure of supporting part 222 and slipping part 14 on the trip mechanism 2 can do appropriate change Change, such as slipping part 141 will be carried further to lower recess so that the surface of carrying slipping part 141 flushes with bottom plate 11, so The extension structure of slipping part 142 can be omitted and directly make supporting part 222 be slid on carrying slipping part 141 and the surface of bottom plate 11.This Only need to increase the length that supporting part 222 protrudes out downwards in kind embodiment.

In another embodiment, the fit structure of supporting part 222 and slipping part 14 on the trip mechanism 2 can also do another Change, for example, by supporting part 222 be designed to directly by card ejection 22 edge or move back card ora terminalis and be bent to form downwards, Huo Zhetong A plastic block being fixed on supporting part 222 is crossed to be formed.

The supporting part 222 enumerated above in several embodiments flexibly can select reciprocal to use with the structure of slipping part 14, All it is the scope of the present invention.That is, slidably it is supported in as long as some structure especially set on kelly 22 by moving back is corresponding All it is the design variation on slipping part 14, is that kelly is formed in itself or extra attached by moving back as above-mentioned supporting part 222 The structure added neither influences actual effect.Other slipping part 14 also can be served as directly by bottom plate 11.

Refer to shown in Fig. 2 to Fig. 7, the conducting terminal 3 includes first end subgroup 31, Second terminal group 32 and the 3rd Terminal group 33.The first end subgroup 31 is fixed for docking with the first electronic card 6 with front end-plate 111.The Second terminal group 32 are fixed for docking with the second electronic card 7 with end plate 112.One end of any one in the third terminal group 33 is with before End plate 111 is fixed, and the other end is fixed for docking with the 3rd electronic card 8 with end plate 112.

Referring to shown in Fig. 2, Fig. 3, Fig. 6 and Fig. 7, the first end subgroup 31 is made up of six the first terminals 311, and each One terminal 311 includes the first terminal fixed part 3111 being fixed in insulating body 1, is extended by the first terminal fixed part 3111 Go out the first terminal weld part 3112 of insulating body 1 and the first terminal docking section 310 for being contacted with the first electronic card 6.Institute State the first terminal docking section 310 and include the first terminal elastic arm 3101 of rectangle tabular and by the first terminal elastic arm 3101 Free end, which is inclined upwardly, extends the first terminal contact arm 3102 of formation.Heretofore described the first terminal contact arm 3102 is substantially Plate-like isosceles triangle shape（Join shown in Fig. 6）And form the first terminal contact site 3103, the first terminal contact arm in apex 3102 two sides are equipped with the first terminal turnup structure 3104 of bending extension downwards in favor of the plug of Kato 5.It is described Through hole 3105 is offered on the first terminal elastic arm 3101, to reduce the rigidity of the first terminal elastic arm 3101.In the institute of bottom plate 11 Planar, each the first terminal docking section 310 all extends along card connector horizontal direction, the first terminal contact arm 3102 two isosceles sides are located normal to the plug-in card direction and by the first terminal contact site 3103 respectively The both sides of plane.

Refer to shown in Fig. 2, Fig. 3, Fig. 6 and Fig. 7, the quantity and structure of the Second terminal group 32 with first end subgroup 31 is identical, repeats no more.

Refer to shown in Fig. 2, Fig. 3, Fig. 6 and Fig. 7, the third terminal group 33 on the width of card connector 100 into Several rows of row, heretofore described third terminal group 33 includes eight third terminals 331, and meets the arrangement of Micro SD cards Mode.Third terminal fixed part 3311 that each third terminal 331 includes being fixed on insulating body 1, consolidate with third terminal Determine the connection of portion 3311 and the third terminal contact arm 330 and the 3rd of resilient movement deformation can be produced along the thickness direction of insulating body 1 Terminal fixing part 3311 connects and extends the third terminal weld part 3312 of insulating body 1.Third terminal contact arm 330 is in outstanding Arm projection exceeds the supporting surface 110 of insulating body 1.The third terminal weld part 3312 with a circuit board mutually welding.

The 3311 overall slabbing of third terminal fixed part is arranged on same plane, and is had and connect along third terminal The supporting plate 33112 that the bearing of trend of contact arm 330 is located at two ends 33111 at both ends and is connected between two ends 33111. The end 33111 is each attached in insulating body 1, specifically, is fixed on positioned at the end 33111 of rear end in end plate 112, It is fixed on positioned at the end 33111 of front end in front end-plate 111, the supporting plate 33112 is located at front end version 111 and end plate 112 Between, and be arranged in parallel with supporting surface 110.The supporting plate 33112 is set not higher than the supporting surface 110, but is directed towards The exposure of three termination contact arms 330 is set.

In the present embodiment, the third terminal contact arm 330 from the third terminal fixed part 3311 through tearing Shaping, and it is each formed with the supporting plate 33112 in the both sides of opening 33110 for being molded the third terminal contact arm 330.When So, also can be from before third terminal fixed part 3311 as another embodiment of the present invention, the third terminal contact arm 330 Extended in the same direction on side end 33111 with the supporting plate 33112, and along insulating body 1, laterally left and right is arranged side by side, i.e., it is described Supporting plate 33112 is made only in the side of opening 33110 for being molded the third terminal contact arm 330, and equally also attainable cost is sent out Bright purpose.In the direction of insertion of docking electronic card, the length of the supporting plate 33112 is more than the third terminal contact arm 330 length.

The third terminal contact arm 330 is in their extension direction in the tortuous extension of S shapes, and have and stretch out supporting surface 110 dock the third terminal docking section 3301 of electronic card with connection, and the third terminal docking section 3301 is along the thickness of insulating body 1 Direction is arranged at intervals with supporting plate 33112, and is in V-shape of the opening towards supporting surface 110.The third terminal contact arm 330 also include be arranged between third terminal docking section 3301 and the anterior end 33111 of third terminal fixed part 3311 and with Another V-type portion 3302 of the opening direction identical of third terminal docking section 3301, the connection third terminal docking section 3301 and preceding First bending part 3303 in another V-type portion 3302 is stated, foregoing another V-type portion 3302 is arranged on and deviates from third terminal docking section 3301 Side the second bending part 3304.Foregoing second bending part 3304 is not higher than first folding along the thickness direction of insulating body 1 Turn of bilge 3303.Thus the present invention can increase third terminal contact arm by the way that the complications of third terminal contact arm 330 are extended 330 effective length, so as to more preferable dispersed elastomeric stress, it is not easy to surrender.In addition, it will be far from third terminal docking section 3301 the second bending parts 3304 set are arranged to be not higher than the first bending part 3303, can be effectively increased third terminal contact arm 330 positive resist force.

In the present invention, the free end of the third terminal docking section 3301 is also extended and had and the supporting plate 33112 parallel sliding parts 3305 and the kink bent from the end of sliding part 3305 towards circuit board direction 3306.Projection of the sliding part 3305 along the thickness direction of insulating body 1 and the supporting plate 33112 are least partially overlapped, with During so that the third terminal contact arm 330 is towards circuit board direction movement and deformation, the sliding part 3305 can be in the support Slided on plate 33112, and then avoid third terminal contact arm 330 from passing through insulating body 1 when being compressed by docking electronic card And contradict and arrive circuit board, reduce the pressure of circuit board.In the present embodiment, because the third terminal contact arm 330 is described in Torn on third terminal fixed part 3311 and bending forming, so as to realize above-mentioned sliding effect, by the sliding part 3305 Width is set greater than the width of the third terminal docking section 3301, and laterally extending on the sliding part 3305 exceeds The projection of the part of the width of third terminal docking section 3301 overlaps with the supporting plate 33112.

Certainly, as another embodiment of the present invention, the supporting plate 3312 also it is plastic in the insulating body 1 or With the third terminal 331 separate shaping and be fixed on the side of third terminal 331, as long as make card connector 100 of the present invention in The supporting plate that is provided with least at side on its width positioned at third terminal docking section 3301 is that can be achieved the present invention's Purpose.It is, of course, preferable to ground, makes the supporting plate be molded over the both lateral sides of third terminal docking section 3301 and may be such that third terminal The docking of docking section 3301 is more stable.

The kink 3306 has the support division of the free terminal on the bearing of trend of third terminal contact arm 330 33061, the front side of end plate 112 of the insulating body 1 forms relative with the support division 33061 and spaced abutment face 1121, so as to, dock electronic card insertion receiving space and during by third terminal 330 times compressive strains of contact arm, the 3rd end The head forward slip of sub- contact arm 330 and the support division 33061 of front end and abutment face 1121 is offseted, thus can be further Increase the positive contact force that third terminal contact arm 330 abuts docking electronic card；And the first bending part 3303 and the second bending part 3304 bending sets and may be such that third terminal contact arm 330 is compressed and support division 33061 is offseted with abutment face 1121 Afterwards, the third terminal contact arm 330 still has deformation space in plug-in card direction and is unlikely to dieback.

It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity For bright book as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can With the other embodiment of understanding.

Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention Or change should be included in the scope of the protection.

Claims (10)

1. a kind of card connector, including insulating body and some terminals for being fixed on insulating body, the insulating body are provided with To support the supporting surface of docking electronic card, each terminal includes the fixed part being fixed on insulating body and fixed part connects Connect and the contact arm of resilient movement deformation can be produced along insulating body thickness direction, there is the contact arm projection to exceed the branch The docking section in support face, it is characterised in that：The card connector at side at least also setting positioned at docking section on its width There is supporting plate, the supporting plate is arranged at intervals along insulating body thickness direction and docking section, the free end extension of the docking section Sliding part is provided with, projection of the sliding part along insulating body thickness direction and the supporting plate are least partially overlapped, so that When obtaining the docking section towards supporting surface direction movement and deformation, the sliding part can be slided to avoid contact with the supporting plate Circuit board, the contact arm are additionally provided with the support division of the free terminal on its bearing of trend, and the insulating body has edge Contact arm bearing of trend is relative with the support division and spaced abutment face, the docking section are moved towards supporting surface direction The support division offsets with abutment face after deformation.

2. card connector as claimed in claim 1, it is characterised in that：The supporting plate is parallel with the supporting surface and not high Set in the supporting surface, and in the direction of insertion of docking electronic card, the length of the supporting plate is more than the contact arm Length.

3. card connector as claimed in claim 1 or 2, it is characterised in that：The terminal also there is self-fixed department to extend absolutely Weld part of the edge body mutually to be welded with a circuit board, the contact arm are additionally provided with from the sliding part end towards circuit board side To the kink of bending, the kink has the support division of the free terminal on contact arm bearing of trend.

4. card connector as claimed in claim 1 or 2, it is characterised in that：The contact arm is bent in S shapes in their extension direction Folding extension, the docking section are in V-shape of the opening towards supporting surface, and the contact arm is also arranged on docking section including connection and consolidated Determine between portion and with another V-type portion of third terminal docking section opening direction identical.

5. card connector as claimed in claim 4, it is characterised in that：The contact arm, which has, connects the docking section and foregoing First bending part in another V-type portion, it is arranged on second bending part of the foregoing another V-type portion away from the side of docking section, foregoing the Two bending parts are not higher than first bending part along insulating body thickness direction.

6. card connector as claimed in claim 1 or 2, it is characterised in that：The fixed part entirety slabbing is arranged at same In plane, and it is each attached to two ends for being located at both ends along contact arm bearing of trend, the end in insulating body, The supporting plate is connected between the two ends and exposed towards contact arm and set.

7. card connector as claimed in claim 6, it is characterised in that：The contact arm is from the fixed part through tearing into Type, and the supporting plate is each formed with the opening both sides for being molded the contact arm, the width of the sliding part is more than described The width of docking section, and the laterally extending projection beyond the part of docking section width and the supporting plate on the sliding part Overlap.

8. card connector as claimed in claim 1, it is characterised in that：The arrangement of the terminal meets the mark of Micro SD cards It is accurate.

9. card connector as claimed in claim 1, it is characterised in that：The card connector includes first end subgroup, second Terminal group, third terminal group, two kinds of different electronic cards are at least conformed in three terminal groups, and the terminal forms third terminal Group.

10. card connector as claimed in claim 9, it is characterised in that：The insulating body includes bottom plate, the bottom plate bag Including in front end-plate and end plate separately positioned on plug-in card direction, the first end subgroup is fixed on front end-plate, and described second Terminal group is fixed on end plate, and the third terminal group is between first end subgroup and Second terminal group and connects front end-plate With end plate.