CN2727999Y

CN2727999Y - Electronic card connector (2)

Info

Publication number: CN2727999Y
Application number: CNU2004200426881U
Authority: CN
Inventors: 毛政申
Original assignee: Mitac Precision Technology Shunde Ltd
Current assignee: Mitac Precision Technology Shunde Ltd
Priority date: 2004-02-20
Filing date: 2004-02-20
Publication date: 2005-09-21
Anticipated expiration: 2014-02-20

Abstract

The utility model discloses an electronic card connector which comprises an isolating body, a shielding casing coating the isolating body, a conducting terminal contained in the isolating body, a card withdrawing mechanism and a switch terminal set, wherein the card withdrawing mechanism comprises a draw rod, a lock hook mechanism, an elastic assembly and a sliding mechanism, one end of the lock hook mechanism is contained on the sliding mechanism, and the other end forms a lock hook with an inclined plane; the shielding casing is provided with an elastic contact sheet; when an electronic card is completely inserted, the lock hook can be embedded in a corresponding fixing mechanism on the electronic card, and one end of the contact sheet can be abutted against one side of the lock hook to prevent the lock hook from springing out of the fixing mechanism of the electronic card. Therefore, the utility model can effectively prevent the electronic card from separating from the electronic card connector due to vibration, etc. so as to ensure the reliable contact of the electronic card and the electronic card connector.

Description

Electronic card coupler (two)

Technical field

The utility model has related to a kind of connector, has particularly related to a kind of electronic card coupler that connects electronic cards and electronic device circuitry plate.

Background technology

In recent years, for the memory capacity that increases electronic equipments such as PDA and digital camera or for expanding its function, generally be equipped with the electronic cards of electronic card coupler in each electronic equipment, so that the digital material that is wherein write down is linked up and used to electronic equipment and electronic cards in order to ccontaining plug and play.

Traditional electronic card coupler generally is not have to be provided with to prevent escapement that electronic cards gets loose at electronic card coupler, but in use can find, electronic cards tends to because of the vibrations that produced in moving process of electronic equipment loosening even come off from electronic card coupler, causes the electronic cards can't operate as normal.

Therefore safe and reliable in order to guarantee that electronic cards in the electronic equipment is used, be necessary to design a kind of electronic card coupler, this connector must possess after inserting fully when electronic cards, can prevent effectively that vibrations that moving of electronic equipment produced etc. are former thereby make the disengaging of electronic cards, easy to operate, and it is simple to have a mechanism, manufactures to be easy to advantage.

Summary of the invention

The purpose of this utility model is to provide a kind of electronic card coupler that can effectively prevent to produce because of reasons such as vibrations the electronic cards break-off when electronic cards under user mode.

For achieving the above object, the utility model has adopted following technical scheme: this electronic card coupler comprise insulating body, coated insulation body shielding casing, be contained in conducting terminal, trip mechanism and switch terminal set in the insulating body, wherein trip mechanism comprises pull bar, latch hook mechanism, elastic parts and slide mechanism, one end of described latch hook mechanism is contained on the slide mechanism, and the other end forms the latch hook with inclined-plane; Described shielding casing is provided with flexible conflict sheet, after electronic cards is inserted fully, described latch hook can embed in the fixed mechanism that responds on the electronic cards, and an end of described conflict sheet can be conflicted in a side of latch hook, stops latch hook to eject the fixed mechanism of electronic cards.

Like this, electronic card coupler of the present utility model is after electronic cards is inserted this connector fully, effectively stoped because the phenomenon that the vibration of external force etc. are former thereby electronic cards that produce breaks away from, guarantee the safe and reliable use of electronic cards, and this electronic card coupler is to make latch hook keep firm fixedly electronic cards by realizing at the resilient conflict sheet of shielding casing setting further reinforcing, so it is simple in structure, convenient for production.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model electronic card coupler.

Fig. 2 is the stereogram of the utility model electronic card coupler when electronic cards is inserted.

Fig. 3 is the stereogram of the utility model electronic card coupler after electronic cards is inserted into the precalculated position.

Fig. 4 is the stereogram of the utility model electronic card coupler when electronic cards withdraws from.

Fig. 5 is the stereogram of the utility model electronic card coupler after electronic cards withdraws from.

Specific embodiment

Below in conjunction with the drawings and specific embodiments electronic card coupler of the present utility model is described in further detail.

As shown in Figure 1, electronic card coupler 100 of the present utility model comprises shielding casing 3, switch terminal set 4, trip mechanism 5 and the plurality of conductive terminals 6 of insulating body 2, coated insulation body 2.

Insulating body 2 comprises first,

second sidewall

21,22 and the rear wall 23 that connects first,

second sidewall

21,22, and this first,

second sidewall

21,22 and rear wall 23 cross a receiving space 24 of accommodating electronic cards 7.Wherein, the outside of the first side wall 21 relative receiving spaces 24 is provided with a buckle 213, a vertical slot 214 and some buckling grooves 215, and the body of the first side wall 21 is provided with one first assembling grove 212 and a fixed part 211 that protrudes; And second sidewall 22 comprises first fixed lever 223, one first chute 221 and a constant resistance portion 222 that erects; The groove 232 that the 3rd sidewall 23 and the first side wall 21 intersections form one second assembling grove 231 and have a recessed mesopore; There is the ccontaining mechanism 242 of ccontaining plurality of conductive terminals 6 receiving space 24 and the 3rd sidewall 23 intersections, and receiving space 24 and second sidewall, 22 intersections form a long strip type second chute 241.

And switch terminal set 4 comprises first switch terminal 41 and second switch terminal 42, wherein first switch terminal 41 comprises first fixed part 411, second fixed part 413, first signal connecting element 412, and extend and first elastic portion 414 parallel with first body 401 from second fixed part, 413 reflexeds, the end of this first elastic portion 414 forms one to the first side wall 21 inboard first contact sites 415 that protrude, and this first contact site 415 is " V " type.During assembling, first fixed part 411 of first switch terminal 41 is assembled in second assembling grove 231, and second fixed part 413 just is fixed and contacts at the inboard of the fixed part 211 on the first side wall 21, and simultaneously, first contact site 415 of first switch terminal 41 protrudes to receiving space 24.And second switch terminal 42 comprises secondary signal connecting portion 422, the 3rd fixed part 421 and is " V " second contact site 423 of type.During assembling, the 3rd fixed part 421 is assembled in the first assembling grove groove 212 on the first side wall 21, and second contact site 423 to be rubber-likes protrude towards receiving space 24.

Trip mechanism 5 comprises pull bar 51, latch hook mechanism 52, elastic parts 53 and slide mechanism 54.Wherein, two ends of pull bar 51 comprise first, second stiff end 511,512; One end of latch hook mechanism 52 forms the assembling end 521 of a bending, and the other end forms the latch hook 522 that protrudes the band inclined-plane; Elastic parts 53 is generally the spring that one or two end has drag hook; Slide mechanism 54 comprises second fixed lever 544, the groove 543 of latch hook mechanism 52 assembling ends 521 and sliding path groove 546, extension 545, the bottom surface sliding part 542 that end middle part has protrusion piece 547 is installed, and wherein slide mechanism 54 has the inclined-plane 541 that matches with the inclined-plane 73 of electronic cards 7.During assembling, bottom surface sliding part 542 is placed the slip that second chute 241 of receiving space 24 can be back and forth, the slip that this moment, extension 545 then can be back and forth in first chute 221, first stiff end 511 of pull bar 51 is installed in the recessed mesopore of groove 232 of rear wall 23, and second stiff end 512 then places the sliding path groove 546 of slide mechanism 54.And the two ends 531,532 of elastic parts 53 are separately fixed on first fixed lever 223, second fixed lever 544.

Shielding casing 3 comprises roof 31, extends first, second protrusion sheet 32,33 and grounding parts 34 and the

support portion

35,36 that is provided with from roof 31 both sides respectively downwards.Wherein, roof 31 is provided with first, second contact chip 301,302, one end of second contact chip 302 is fixedly connected on the roof 31, and the other end is to receiving space 24 recessed and formation " V " the type lower concave part, and an end of contact chip 301 can be to receiving space 24 bendings, just press the top of the slide mechanism 54 that is attached to trip mechanism 5, make slide mechanism 54 to slide and can not teetertotter along first chute 221; First protrudes sheet 32 is provided with equidirectional first, second conducting strip 321,322, and some bent sheets 323 of pulling.Second protrudes sheet 33 is provided with hole clipping 331.During assembling, hole clipping 331 is held on the buckle 213, and some bent then bent being fixed on the corresponding buckling groove 215 of sheet 323 of pulling are on shielding casing 3 coated insulation bodies 2.At this moment, first, second conducting strip 321,322 keeps electrically contacting/separating with second switch terminal 42 with first switch terminal 41.

During use, electronic card coupler 100 is installed on the external printed circuit board (not shown), grounding parts 34 on the shielding casing 3 electrically connects with earth point on the printed circuit board (PCB), plurality of conductive terminals 6 then with printed circuit board (PCB) on the corresponding contact path electrically connect.Simultaneously in conjunction with Fig. 2, shown in Figure 3, when electronic cards 7 is inserted the receiving space 24 of connector 100, when the cooperation inclined-plane 541 of the inclined-plane 73 of electronic cards 7 contact trip mechanisms 5 and promote slide mechanism 54 make its along bottom surface sliding part 542 in second chute 241 to front slide, second stiff end 512 that drives pull bar 51 simultaneously moves backward at sliding path groove 546, and the protrusion inclined-plane of the latch hook 522 of the edge of electronic cards 7 extruding latch hook mechanism 52 in this process, make latch hook 522 produce a bounce near electronic cards 7, along with the insertion of electronic cards 7, elastic parts 53 then is elongated certain-length.When electronic cards 7 is inserted connector 100 fully, this moment, the 512 firm hanging supports of second stiff end were protruded on the piece 547 at the middle part of sliding path groove 546, can keep slide mechanism 54 to be in a stop motion position, simultaneously elastic parts 53 is elongated and produces a bounce, and the latch hook 522 of the protrusion of latch hook mechanism 52 just embeds fixing hole 71 places of electronic cards 7 because of bounce-back property, so just kept electronic cards 7 is fixed in the connector 100, and the second conflict sheet 302 of shielding casing 3 is just conflicted and is stopped that in a side of latch hook 522 latch hook 522 ejects the fixing hole 71 of electronic cards 7, makes latch hook 522 can be because of vibrations etc. not former thereby detach the fixing hole 71 of electronic cards 7.In conjunction with Fig. 4, shown in Figure 5, when needs withdraw from electronic cards 7, can continue to promote forward electronic cards 7 a bit of distances, the equilbrium position of second stiff end 512 of pull bar 51 is broken at this moment, second stiff end, 512 disengaging hooks are held protrusion piece 547 and are travelled forward, when electronic cards 7, promote in the process of a bit of distance forward, the fixing hole 71 of electronic cards 7 is because the inclined-plane that latch hook 522 has and latch hook 522 has been extruded fixing hole 71, and the second conflict sheet 302 of while shielding casing 3 also can leave the side of latch hook 522 because latch hook 522 ejects fixing holes 71, no longer produces latch hook 522 is prevented that after electronic cards 7 is inserted latch hook 522 from ejecting the resistance of fixing holes 71.And since the generation of elastic parts 53 drive that slide mechanism 54 drives that electronic cards 7 move backward and ejection electronic cards 7 automatically than big bounce power.

And behind the correct insertion connector 100 of above-mentioned electronic cards 7, the leading edge of electronic cards 7 can conflict first switch terminal 41 first contact site 415 and first elastic portion 414 near the first side wall 21 extruding, thereby the elastic portion 414 of winning is electrically contacted with first conducting strip 321 of shielding casing 3, and first switch terminal 41 is to be used for detecting the precalculated position whether electronic cards 7 is inserted into electronic card coupler 100 in the present embodiment.Simultaneously second switch terminal 42 is used to detect electronic cards 7 and whether is in the write-protect state in the present embodiment, promptly utilizes second conducting strip 322 of write-protect button 72, second contact site 423 on the second switch terminal 42 and the shielding casing 3 of electronic cards 7 to cooperate to detect whether write-protect of electronic cards 7.

Claims

1. electronic card coupler, comprise insulating body, coated insulation body shielding casing, be contained in conducting terminal, trip mechanism and switch terminal set in the insulating body, it is characterized in that: described trip mechanism comprises pull bar, latch hook mechanism, elastic parts and slide mechanism, wherein an end of this latch hook mechanism is contained on the slide mechanism, and the other end forms the latch hook with inclined-plane; Described shielding casing is provided with flexible conflict sheet, and after electronic cards was inserted fully, an end of described conflict sheet can be conflicted in a side of latch hook.

2. electronic card coupler as claimed in claim 1 is characterized in that: described conflict sheet is a long strip type sheet metal, and the one end is connected in shielding casing, and the other end is set to one " V " the shape lower concave part.

3. electronic card coupler as claimed in claim 1 is characterized in that: described slide mechanism is provided with end middle part and has the sliding path groove that protrudes piece, and an end of described pull bar can move in this sliding path groove.

4. electronic card coupler as claimed in claim 3 is characterized in that: after electronic cards was inserted fully, an end of described pull bar was fixedly on the protrusion piece of hanging support in the sliding path groove.

5. electronic card coupler as claimed in claim 1 is characterized in that: described insulating body is provided with chute, and described slide mechanism can be along this runner movement.

6. electronic card coupler as claimed in claim 1 is characterized in that: the fixedly connected insulating body of an end of described elastic parts, and the fixedly connected slide mechanism of the other end.

7. electronic card coupler as claimed in claim 1 is characterized in that: described switch terminal set comprises first switch terminal and second switch terminal.

8. electronic card coupler as claimed in claim 7 is characterized in that: described first switch terminal and second switch terminal all have an end to be contained on the insulating body, and the other end all forms " V " the shape contact site.

9. electronic card coupler as claimed in claim 1 is characterized in that: also be provided with first, second conducting strip on the described shielding casing, this first, second conducting strip electrically contacts/separates with the contact site of first switch terminal and second switch terminal respectively.