CN2917004Y

CN2917004Y - Electronic card connector

Info

Publication number: CN2917004Y
Application number: CN 200620073493
Authority: CN
Inventors: 余建飞; 雷茂林; 赵期俊
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2006-06-09
Filing date: 2006-06-09
Publication date: 2007-06-27
Anticipated expiration: 2016-06-09

Abstract

An electronic card connector to connect electronic card comprises an insulated connector, a popularity of conducting terminal, a pair of switch terminal, a card removal mechanism and a shielding shell on the insulated connector. Wherein, the insulated connected is provided with a slot for the electronic card insertion. The switch terminal is composed of the first and second terminal. The first conduction part is arranged for the first terminal. In addition, the second terminal is provided with an elastic arm. The elastic arm is provided with the second conduction part under the first conduction part. Besides, the card removal mechanism is provided with a sliding block. As the electronic card is inserted, the sliding block pushes the elastic arm upwards to make the first and second conduction part vertically connected to realize detecting. Thus, the second terminal is arranged under stable stress, thus eliminating deformation and prolonging service life of the electronic card connector.

Description

Electronic card coupler

[technical field]

The utility model relates to a kind of electronic card coupler, relates in particular to a kind of electronic card coupler with detecting function.

[background technology]

The prior art relevant with the utility model can be consulted Chinese utility model patent CN 2529408Y number of on January 1st, 2003 bulletin, this patent has disclosed a kind of electronic card coupler, it comprises: insulating body, be installed on plurality of conductive terminals, the pair of switches terminal on the insulating body and be buckled on shielding casing on the insulating body, wherein, described insulating body is provided with the accommodation space that the holding electronic card inserts; Described conducting terminal comprises that an end extends into the contact site and the other end that cooperate with electronic cards in the accommodation space and extends the outer weld part of insulating body; Described switch terminal comprises fixed terminal and movable terminal with matching, be arranged in a side of insulating body about described fixed terminal and movable terminal, in the time of in electronic cards is inserted this electronic card coupler, movable terminal is laterally pushed by electronic cards and is reached electric connection to realize detecting function with fixed terminal.Yet, when the switch terminal of said structure is used for the less electronic card coupler of volume, as in Trans-flash (TF) card connector time, because the space of this type electronic cards is limited, the force-bearing situation of the movable terminal of said structure when electronic cards is inserted is harsh, have bigger deflection, be easy to generate and subdue distortion, reduced the useful life of electronic card coupler.

Therefore, be necessary existing electronic card coupler is improved to overcome described defective of the prior art.

[utility model content]

The purpose of this utility model is to provide a kind of electronic card coupler that has detecting function and grow useful life.

The purpose of this utility model is achieved through the following technical solutions: a kind of electronic card coupler, be used to the electronic cards of pegging graft, it comprises: insulating body, plurality of conductive terminals, switch terminal, trip mechanism and the shielding casing that matches with insulating body, wherein, described insulating body is provided with the storage tank that the holding electronic card inserts, described conducting terminal is provided with and extends in the storage tank contact site that can electrically connect with electronic cards, described switch terminal comprises the first terminal and second terminal that cooperates with the first terminal, described the first terminal is provided with first conducting portion, second terminal is provided with an elastic arm, described elastic arm is provided with second conducting portion that can match with first conducting portion, described trip mechanism comprises an elastomer that is installed on the slide block on the insulating body and matches with slide block, described second conducting portion is positioned at the below of first conducting portion, described slide block is provided with a protuberance, and described protuberance can compress mutually with electronic cards and elastic arm.

Compared to prior art, the utility model electronic card coupler upwards pushes the elastic arm of second terminal by the protuberance of slide block, second conducting portion of second terminal is contacted on the short transverse of electronic card coupler to reach detecting function with first conducting portion of the first terminal, so be provided with, steady, the difficult generation distortion of the force-bearing situation of second terminal is subdued, and has improved the useful life of electronic card coupler.

[description of drawings]

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

Fig. 2 is the three-dimensional exploded view of the utility model electronic card coupler.

Fig. 3 is the three-dimensional exploded view of another angle of Fig. 2.

Fig. 4 is the schematic perspective view of the switch terminal of the utility model electronic card coupler.

Fig. 5 is the schematic diagram of switch terminal when electronic cards is inserted of the utility model electronic card coupler.

Fig. 6 is that the utility model electronic card coupler is welded on the circuit board and does not insert schematic perspective view before the electronic cards.

Fig. 7 is after the utility model electronic card coupler insertion electronic cards and removes the vertical view of shielding casing.

[embodiment]

Please refer to Fig. 1 to shown in Figure 3, the utility model electronic card coupler 100 is installed on and is used to peg graft electronic cards 8 (as shown in Figure 6) on the circuit board 7, and it comprises: insulating body 1, conducting terminal module 2, card-withdrawing structure 3, pintle hook lock shell fragment 4, switch terminal 5, be covered in the dielectric film 9 on the switch terminal 5 and be buckled on shielding casing 6 on the insulating body 1.

Described insulating body 1 is provided with a docking part 10 and reaches the connecting portion 11 that 10 bottoms extend back from the docking section, described docking section 10 is roughly the frame shaped of sealing, it is provided with a storage tank 101, is positioned at first locating piece 102 and a recess 103 of storage tank 101 both sides, and described storage tank 101 further extends to connecting portion 11; Described connecting portion 11 is provided with a upper surface 12, left surface 13, right flank 14 and discontinuous rear end face 15, and described upper surface 12 is provided with a lengthwise guide channel 110 that runs through connecting portion 11 near the appropriate position of left surfaces 13; Described left and

right side

13,14 is arranged with opening 131,141 and some second locating pieces 132,142; Described rear end face 15 is provided with first reference column 151 that extends forward near left surface 13 and is positioned at the location hole 152 of first reference column, 151 sides, described rear end face 15 is provided with second location notch 153 and second holding slot 154 near the appropriate position of right flank 14, the middle part, rear end of described connecting portion 11 is provided with two spaced first, second and protrudes piece 155,156, and described first protrudes piece 155 is provided with one first location notch 1551.

Described conducting terminal module 2 comprises that collets 21 reach and collets 21 integrated conducting terminals 22, and described collets 21 are provided with the two side 211 of downward extension; Described conducting terminal 22 comprises the contact sites 221 that extend in the storage tank 101 and extends weld part 222 outside the insulating body 1 from the two side 211 of collets 21.

Please refer to shown in Figure 2ly, trip mechanism 3 comprises the connecting rod 33 of can be at insulating body 1 upper surface, 12 upper edge plug-in cards or pulling out slide block 31 that the card direction slides, locating behind the elastomer (being spring 32 in the present embodiment) that leans with slide block 31 and control slide block 31 plug-in cards.Wherein, slide block 31 comprises " L " shape protuberance 315 that a main part 316 and autonomous body 316 front ends extend to form to a side one, described main part 316 comprises the heart-shaped groove 311 that is positioned at upper surface middle part, be positioned at second reference column 312 of rear end in order to match with spring 32, be positioned at " U " shape holding slot 313 of second reference column, 312 front ends and be positioned at the projection 314 of main part 316 bottom surfaces in order to cooperate with guide channel 110, described protuberance 315 comprises second extension 3152 that extends back in order to first extension 3151 that cooperates with electronic cards 8 and vertical first extension 3151.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 insulating body 1 location hole 152 interlock first kink of holding 332 and second kink 333 that can in heart-shaped groove 311, slide.

Described pintle hook lock shell fragment 4 comprises the fixed part 41 of " U " shape, from " V " shape latch part 42 of fixed part 41 1 ends bendings, wherein, fixed part 41 is contained in the holding slot 313 of slide block 31, latch part 42 extends in the storage tank 101 and holds electronic cards 8 in order to button.

Please refer to Fig. 3 to shown in Figure 5, described switch terminal 5 comprises the first terminal 51 and second terminal 52 that can contact with the first terminal 51 or disconnect, first conducting portion 512 that described the first terminal 51 comprises roughly first base portion 511 that is " U " shape, extend from an end vertical side of first base portion 511, from first holding parts 513 of first base portion, 511 other ends bending downwards and perpendicular to first holding parts, 513 outward extending first welding foots 514; Described second terminal 52 comprises one second base portion 521, the elastic arm 522 and second teat 523 that extend forward from second base portion, 521 both sides; Described elastic arm 522 is provided with " V " shape pressure section 5221 of giving prominence to downwards and is positioned at second conducting portion 5222 of pressure section 5221 ends, described second terminal 52 also comprises the buckling foot 524 that extends from second teat, 523 both sides, second welding foot 526 that second holding parts 525 reaches perpendicular to second holding parts 525 downwards, and described first, second welding foot 514,526 all extends insulating body 1 in order to be welded in circuit board 7 (as shown in Figure 6).

Please refer to shown in Figure 3, described shielding casing 6 is to be formed by sheet metal punching press, bending, it comprises that an end face 61, the holding wing 62 that bends from 61 liang of middle side parts of end face reach the welding ends 63 that bends extension from rear end, end face 61 both sides downwards downwards, described end face 61 is provided with an outstanding downwards sheet 611 that compresses, described holding wing 62 be provided with second mating holes 621 in order to second locating piece 132,142 buckle mutually; Described welding ends 63 be provided with first mating holes 631 in order to first locating piece 102 buckle mutually, described shielding casing 6 also is provided with a spacer 64 in order to match with the recess 103 of insulating body 1.

Please refer to shown in Figure 6ly, described electronic cards 8 (in the present embodiment for TF card) comprises some conducting strips that are parallel to each other 81 and is positioned at the recess 82 of a side.

Please refer to Fig. 3 to shown in Figure 7, during assembling, at first trip mechanism 3 is installed on the position (as shown in Figure 7) of insulating body 1 upper surface 12 and close left surface 13, on second reference column 312 that an end of described spring 32 is socketed on first reference column 151, the other end is socketed on slide block 31; Described slide block 31 is resisted against docking section 10 under the effect of spring 32; Secondly, pintle hook lock shell fragment 4 is immobilizated on the slide block 31, wherein the fixed part 41 of pintle hook lock shell fragment 4 is contained in the holding slot 313 of slide block 31, described latch part 42 extends in the storage tank 101 in order to match with the recess 82 of electronic cards 8; Once more, second terminal 52 is installed on the insulating body 1, wherein, second holding parts 525 of described second terminal 52 is contained in second location notch 153, described buckling foot 524 is fixed in second holding slot 154, and described elastic arm 522 extends in the storage tank 101; Then, the first terminal 51 is installed on insulating body 1, first holding parts 513 of described the first terminal 51 is contained in first location notch 1551, described first base portion 511 is resisted against the upper surface of second projection 156, at this moment, first conducting portion 512 of the first terminal 51 is positioned at the top of second terminal, 52 second conducting portions 5222 and both do not contact, and it is outer in order to electrically connect with circuit board 7 that the welding foot 514,526 of described first,

second terminal

51,52 all extends insulating body 1; Next conducting terminal module 2 is installed on the insulating body 1, and dielectric film 9 is covered on the switch terminal 5, the two side 211 of described collets 21 is fastened in the opening 131,141 of insulating body 1 two

sides

13,14, push down pintle hook lock shell fragment 4 simultaneously, the contact site 221 of described conducting terminal 22 extends in the storage tank 101, the weld part 222 of described conducting terminal 22 extends insulating body 1 in order to weld with circuit board 7 from the two side 211 of collets 21, described dielectric film 9 is a rectangular configuration, and it can separate switch terminal 5 and shielding casing 6; At last shielding casing 6 is buckled on the insulating body 1, first, second mating holes 631,621 of described welding ends 63 and holding wing 62 is snapped in first locating piece 102 and second locating piece 132,142 respectively, described spacer 64 is immobilizated in the recess 103 of insulating body 1, and the described sheet 611 that compresses is pushed down the matrix part 331 of connecting rod 33 downwards and made it to fix at above-below direction.Electronic card coupler 100 in the present embodiment is the TF card connector.

Please refer to Fig. 6, shown in Figure 7, during use, electronic cards 8 is inserted in the storage tank 101 of electronic card coupler 100, first extension 3151 that the front end of described electronic cards 8 pushes slide block 31 protuberances 315 travels forward second extension 3152, described second extension 3152 upwards pushes the pressure section 5221 of second terminal 52, strain takes place in the elastic arm 522 of second terminal 52, and second kink 333 of described connecting rod 33 slides in heart-shaped groove 311; In the time of in electronic cards 8 is inserted electronic card coupler 100 fully, at this moment, second extension 3152 is positioned at the below of second conducting portion 5222, described second terminal, 52 second conducting portions 5222 contact with first conducting portion 512 of the first terminal 51, the

first terminal

51 and 52 conductings of second terminal are to reach detecting function, at this moment, described second kink 333 is positioned at the recess (not label) of heart-shaped groove 311, the latch part 42 of described pintle hook lock shell fragment 4 is sticked in the recess 82 of electronic cards 8, and electronic cards 8 firmly is plugged in this electronic card coupler 100; Simultaneously, the conducting strip 81 of electronic cards 8 is reached electric connection with the contact site 221 of conducting terminal 22.When further pushing electronic cards 8, the slip away recess of heart-shaped groove 311 of second kink 333 of described connecting rod 33, described spring 32 discharges elastic force and realizes moving back card, described second extension 3152 is extracted out from second terminal, 52 second conducting portions, 5222 belows, and second conducting portion 5222 of second terminal 52 disconnects with the first terminal 51.

Really, described switch terminal 5 also can be one-body molded with insulating body 1; Described slide block 31 also can not be provided with second extension 3152, when electronic cards 8 is inserted, described electronic cards 8 compresses first extension 3151 of slide block 31 and makes it to move backward, the elastic arm 522 that described first extension 3151 compresses second terminal 52 makes it upwards to take place strain, second terminal, 52 second conducting portions 5222 contact on the short transverse of electronic card coupler 100 to reach detecting function with first conducting portion 512 of the first terminal 51, can realize the purpose of this utility model equally.

Compared to prior art, the utility model electronic card coupler 100 upwards pushes the pressure section 5221 of second terminal, 52 elastic arms 522 by slide block 31, second conducting portion 5222 of second terminal 52 is contacted on short transverse to reach detecting function with first conducting portion 512 of the first terminal 51, so be provided with, steady, the difficult generation distortion of the force-bearing situation of second terminal 52 is subdued, and has improved the useful life of electronic card coupler 100.

Claims

1. electronic card coupler, be used to the electronic cards of pegging graft, it comprises: insulating body, plurality of conductive terminals, switch terminal, trip mechanism and the shielding casing that matches with insulating body, wherein, described insulating body is provided with the storage tank that the holding electronic card inserts, described conducting terminal is provided with and extends in the storage tank contact site that can electrically connect with electronic cards, described switch terminal comprises the first terminal and second terminal that cooperates with the first terminal, described the first terminal is provided with first conducting portion, second terminal is provided with an elastic arm, described elastic arm is provided with second conducting portion that can match with first conducting portion, described trip mechanism comprises an elastomer that is installed on the slide block on the insulating body and matches with slide block, it is characterized in that: described second conducting portion is positioned at the below of first conducting portion, described slide block is provided with a protuberance, and described protuberance can compress mutually with electronic cards and elastic arm.

2. electronic card coupler as claimed in claim 1, it is characterized in that: described slide block comprises a main part, described protuberance is that autonomous body forms to side one extension, and described protuberance is provided with first extension, and this extension can compress mutually with electronic cards and elastic arm.

3. electronic card coupler as claimed in claim 1, it is characterized in that: described protuberance is " L " shape structure, it comprises that first extension reaches second extension perpendicular to first extension, and described first extension can match with electronic cards, and described second extension can compress mutually with elastic arm.

4. electronic card coupler as claimed in claim 1 is characterized in that: described elastic arm comprises outstanding " V " shape pressure section downwards, and described pressure section is in order to match with protuberance, and described second conducting portion is positioned at the end of elastic arm.

5. electronic card coupler as claimed in claim 1, it is characterized in that: described the first terminal comprises roughly first base portion that is " U " shape and is fixed in the first interior holding parts of insulating body, described insulating body is provided with second projection, and described first base portion is resisted against the upper surface of second projection.

6. electronic card coupler as claimed in claim 1 is characterized in that: the described the first terminal and second terminal and insulating body integrated formed structure, described first, second terminal is respectively equipped with first, second welding foot that extends insulating body.

7. electronic card coupler as claimed in claim 1 is characterized in that: described electronic card coupler is provided with collets, the one-body molded manufacturing of described conducting terminal and collets, and described collets match with insulating body.

8. electronic card coupler as claimed in claim 1 is characterized in that: described trip mechanism also comprises a connecting rod, and described slide block is provided with a heart-shaped groove, and an end of described connecting rod is fixed in the insulating body, the other end can slide in heart-shaped groove.

9. electronic card coupler as claimed in claim 1 is characterized in that: described electronic card coupler is provided with a dielectric film that is covered on the switch terminal.

10. electronic card coupler as claimed in claim 1 is characterized in that: described electronic card coupler is the TF card connector.