CN201018107Y

CN201018107Y - Improved structure of card connector

Info

Publication number: CN201018107Y
Application number: CNU2007201183823U
Authority: CN
Inventors: 蔡志鸿; 王团伟
Original assignee: Suyin Electronics Dongguan Co Ltd
Current assignee: Suyin Electronics Dongguan Co Ltd
Priority date: 2007-01-31
Filing date: 2007-01-31
Publication date: 2008-02-06
Anticipated expiration: 2017-01-31

Abstract

The utility model provides a card connector improvement structure. The connector comprises an insulator, shielded enclosures covering the insulator, conductive terminals arranged in the insulator, a card withdrawing mechanism and a switch terminal unit. The card withdrawing mechanism is assembled in a second side wall of the insulator and comprises a slide block, a locating slide rod, locking parts and partial springs assembled in the slide block. Electronic cards insert a grab of the locking parts behind the connector and a groove card hold provided on one side of the electronic card to prevent the electronic cards from withdrawing when reading and writing; meanwhile, a first elastic contact piece and a second contact piece are arranged on one end of a second terminal of the switch terminal unit and contact or are separated with a third terminal by electricity to realize that the detection electronic cards insert the position of the connector to achieve the durable effect.

Description

The card connector structure-improved

Affiliated technical field

The utility model provides a kind of card connector structure-improved, refers in particular to a kind of trip mechanism and has that to hold electronic cards function and switch terminal be the card connector that utilizes electronic cards to touch.

Background technology

In recent years; along with of the fast development of digitlization science and technology with information industry; the use of digital product has been the phenomenon of popularizing very much; for the storage volume that increases electronic product equipment such as PDA and digital camera or expand its function; but generally be equipped with the electronic cards of plug and play in each electronic product equipment; wherein be typically provided with card-withdrawing structure and divide the switch terminal set that is arranged in order to the card connector that connects electronic cards in the electronic equipment; card-withdrawing structure prevents also that when making things convenient for electronic cards plug electronic cards from taking off card after insertion, and switch terminal set is then in order to realize whether the write-protect of electronic cards and detecting electronic cards are inserted into function in the card connector fully.

Chinese patent CN 01264159 has disclosed a kind of memory card connector, this memory card connector comprises a connector body, a testing agency and an escapement, whether this testing agency comprises metal-back, shell fragment and detection terminal, utilize testing agency to be inserted in this connector by the detected electrons card; The shell fragment setting of this memory card connector can make memory card bear one along the thrust of releasing direction, for avoiding memory card in this connector, to get loose, this structure has also designed a kind of escapement and has got loose in use to avoid electronic cards, but such design thickens this memory card connector structure, increase the manufacturing step of this memory card connector, and be unfavorable for reducing manufacturing cost.In addition; a kind of card connector that Taiwan patent TW 092201620 discloses; it comprises that insulating body, shielding casing, realization are to the switch terminal set of electronic cards write-protect function and be provided with in order to determine whether electronic cards has correctly been inserted two terminals that are installed on the insulating body rear wall in the connector; these two terminals mutual extrusion Elastic Contact when electronic cards is inserted; but because the extruding of insertion repeatedly causes this two-terminal loose contact; thereby cause and to detect electronic cards and whether correctly insert in the connector, even cause electronic cards not use.

Summary of the invention

In order to overcome above-mentioned defective of the prior art, main purpose of the present utility model is to provide a kind of card connector structure-improved, increases locking piece on the slide block of trip mechanism, electronic cards can be held, and prevents from that electronic cards from producing in use to move back the card phenomenon.

Another purpose of the present utility model is to provide a kind of card connector structure-improved, utilizes the structural design of switch terminal double-contact, makes switch terminal reach the contact effect of durable.

For reaching above-mentioned purpose of the present utility model, can be realized by following technical scheme: the utility model card connector structure-improved mainly comprise an insulating body, coated insulation body shielding casing, be mounted on plural conductive terminal, a switch terminal set and trip mechanism in the insulating body; Wherein, this switch terminal set comprises first, second and third terminal, be assembled in according to this respectively in the first side wall and rear wall of this insulating body, be provided with first, second elastic contact chip at second terminal, one end, this first, second elastic contact chip can or separate to realize whether electronic cards correctly is inserted to the place, position location of this card connector with the 3rd terminal Elastic Contact; In addition, this trip mechanism comprises that slide block, locating slide rod, locking piece and a part are assembled in the spring of slide block, this locking piece part is assembled in the slide block, when electronic cards correctly is inserted to the position location place of this card connector, locking piece one end is provided with grab and skids off and accommodate the buckle slot fastening that slit and electronic cards one side are provided with.

The structure of first, second elastic contact chip different angles by this switch terminal set, can guarantee to have good contact effect, cause Elastic Contact bad to prevent electronic cards from repeatedly inserting extruding, further cause can not be correct the detecting electronics position location place that whether correctly inserts this card connector, in addition, the locking piece on the trip mechanism can prevent that electronic cards from use moving back the card phenomenon.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the three-dimensional exploded view of the utility model specific embodiment;

Fig. 2 is the partial assembly drawing of the utility model specific embodiment;

Fig. 3 is the switch terminal set three-dimensional exploded view of the utility model specific embodiment; And

Fig. 4 is the trip mechanism three-dimensional exploded view of the utility model specific embodiment.

100-card connector among the figure, 2-insulating body, 21-the first side wall, 211-convex supporting part, the 212-groove, 213-slot, 22-second sidewall, 231-backstay, the 222-slide rail, 223-chute, 224-are led a piece, the 3-shielding casing, the 31-plate body, 311-presses down shell fragment, 312-inserted sheet, 32-side plate, the 321-opening, 4-switch terminal set, 41-the first terminal, 411,433-contact site, 412-elastic portion, the 413-stator, 42-second terminal, 421-first elastic contact chip, 422-second elastic contact chip, 424,425,431,432-stator, 43-the 3rd terminal, the 71-buckle slot, 5-trip mechanism, 51-slide block, the 52-locating slide rod, 512-accepting hole, 53-locking piece, the 54-spring, 6-conducting terminal, 7-electronic cards.

Embodiment

Now see also shown in Fig. 1,2,3 and 4, be the structure improved specific embodiment of the utility model card connector, this card connector 100 mainly comprises an insulating body 2, a shielding casing 3, switch terminal set 4, trip mechanism 5 and is located at complex conduction terminal 6 in the insulating body 2; Insulating body 2 rear wall 23 that has the first side wall 21, second sidewall 22 and connect the first side wall 21, second sidewall 22 wherein, this first side wall 21, second sidewall 22 and rear wall 23 are enclosed to form a receiving space 24 of accommodating electronic cards 7; On insulating body 2, be provided with the storing district of trip mechanism 5, its structure is: be provided with a slide rail 222 at second sidewall 22 with respect to the inboard of receiving space 24,22 of this slide rail 222 and second sidewalls form a chute 223, slide rail 222 is slide block 51 settings for trip mechanism 5, chute 223 then is that ammunition feed spring 54 is put, be provided with and the above-mentioned slide rail 222 corresponding piece 224 of leading with respect to slotting porch at second sidewall 22, this leads a piece 224 and slit 225 is accommodated in 22 formation one of second sidewall, as the displacement disposal area of trip mechanism 5, this leads the guiding of a piece 224 1 ends when being provided with an inclined-plane as slide block 51 displacements; But an end of rear wall 23 contiguous second sidewalls 22 is provided with to the receiving space 24 inboard backstay that extends 231 ammunition feed springs 54 location.

Shielding casing 3 comprises roof 31, extend into sidewall 32 downwards from these roof 31 both sides, this roof 31 is provided with a downward shell fragment 311 that presses down with respect to a side front end of sidewall 32, this presses down shell fragment 311 is in order to compress locating slide rod 52, prevent that it from de-orbiting in slip, be provided with a downward inserted sheet 312 in the front side, two ends of inserting port, these inserted sheets 312 have position-limiting action, insertion that can the correcting electronic cards, this sidewall 32 is provided with a plurality of hole clippings 321, and these hole clippings 321 are in order to match with convex supporting part 211 on second sidewall 22 with insulating body 2 the first side walls 21.

Switch terminal set 4 comprises the first terminal 41, second terminal 42 and the 3rd terminal 43; The first terminal 41 comprises contact site 411, elastic portion 412 and stator 413, and wherein contact site 411 is in order to contacting with second terminal 42, and elastic portion 412 then is to touch with the electronic cards of inserting, and drives contact site 411 starts by touching of electronic cards; These stator 413 1 ends extend to form a weld part 4131; One end of second terminal 42 forms first elastic contact part 421 and second elastic contact part 422 of bending jag, the length of first elastic contact part 421 and second elastic contact part 422 and bending angle are also inequality, so that form the different parts that contacts with the 3rd terminal 43, be provided with several stators 423,424,425 on second terminal 42, wherein an end of a stator 424 extends to form a weld part 4241; The 3rd terminal 43 includes flexible contact site 433 and location division, wherein contact site 433 is oblique outstanding, so that contact with electronic cards, and be provided with stator 431,432, contact site 433 on the location division, a stator 431 is provided with a buckle 4311 and a weld part 4312 therein.

Trip mechanism 5 comprises that slide block 51, locating slide rod 52, locking piece 53 and part are contained in the spring 54 of slide block 51, wherein this slide block 51 is provided with the roughly L-shaped fixed part 531 of slit 511 in order to accommodate locking piece 53, front end at L shaped slit 511 is provided with the trepanning (not label) of locating for locating slide rod 52, then is provided with the accepting hole 512 of accommodating spring 54 in the rear end of slide block 51; Locking piece 53 comprises a roughly L-shaped fixed part 531 and a

location buckle

532, and 532 of this location buckles are in order to deduct mutually with the buckle slot 71 of electronic cards.

Please refer to Fig. 1 and shown in Figure 2, present embodiment is when assembling, first, second and

third terminal

41,42,43 of switch terminal set 4 is contained in respectively in first, second and third slit (not label) on insulating body 2 the first side walls 21 and the rear wall 23, and each stator on first, second and

third terminal

41,42,43 is plugged in respectively in the first side wall 21 and the slot on the rear wall 23 (not label) of insulating body 2; 5 of trip mechanisms are assembled in the accepting groove 223 on insulating body 2 sides, locating slide rod 52 1 ends place along the set slideway of second sidewall, 22 front ends (not indicating) and slide, 531 of the fixed parts of locking piece 53 are assembled in the L-shaped slit 511 of slide block 51, location buckle 532 is contained in accommodates slit 225, spring 54 1 ends are sheathed on the backstay 231 of insulating body 2, conducting terminal 6 is assembled in the rear wall 23 of insulating body 2, a plurality of hole clippings 321 of shielding casing 3 respectively with insulating body 2 first,

second sidewall

21,22 and a plurality of convex supporting parts 211 phase buckles of being provided with of rear wall 23, press down shell fragment 311 this moment and compress locating slide rod 52 and prevent from slip, to de-orbit.

During use; card connector 100 is installed on the circuit board (not shown); when electronic cards 7 is inserted; electronic cards 7 one thruster movable sliders 51 slide backward trip mechanism 5 and electronic cards 7 synchronously; location buckle 532 withdraws from from accommodating in the slit 225; locking plate 53 deforms to the first side wall 21; electronic cards 7 opposite sides touch the elastic portion 412 of first conducting terminal 41; this moment, the contact site 411 of first conducting terminal 41 electrically contacted with second terminal, 42 1 ends, to realize the write-protect function to electronic cards 7.When electronic cards 7 is inserted to the position location, spring 54 is contained in the above-mentioned slide block 51 by compression, the locating slide rod 52 of trip mechanism 5 is fastened in the place, position location, location buckle 532 on the locking plate 53 inserts in the buckle slot 71 of electronic cards 7 one sides setting, extracted in the position location to prevent electronic cards 7 by mistake, the rear side of electronic cards 7 is replaced the contact site 433 of the 3rd terminal 43, make contact site 433 displacement backward, and priority touches first elastic contact chip 421 and second elastic contact chip 422 on second terminal 42, to detect the position location whether this electronic cards 7 has been inserted into this card connector 100.When moving back card, touch electronic cards along the plug-in card direction, locating slide rod 52 slips off from the position location, spring 54 discharges compression stress, promoting slide block 51 oppositely withdraws from along the plug-in card direction, buckle 532 front end inclined-planes, location slip into accommodates in the slit 225, drives location buckle 532 and withdraws from the buckle slot 71 of electronic cards 7 lateral margins, thereby electronic cards 7 is withdrawed from connector 100 smoothly.

Sum up above-mentioned explanation, characteristics of the present utility model are: by the way of contact of the double-contact of second terminal, can prevent in long-term plug process any elastic contact chip 421,422 and 43 loose contacts of the 3rd terminal and influence the function of above-mentioned this switch terminal set 4; Simultaneously on trip mechanism 5, set up locking piece 53, have positioning function when electronic cards 7 is inserted, to increase steadiness.

The utility model for embodiment and accompanying drawing, only the utility model is illustrated for doing, be to make and be familiar with purpose and the effect that this operator can understand the utility model strictly according to the facts, but the utility model there is not any restriction, the utility model also can still have other variation execution mode, so allly be familiar with this operator and carry out other pattern under this case utility model spirit and implement not breaking away from, the equivalence that all should be considered as this case claim is implemented.

Claims

1. card connector structure-improved, this connector comprise insulating body, coated insulation body shielding casing, be located at conducting terminal, trip mechanism and a switch terminal set in the insulating body, it is characterized in that: this trip mechanism is provided with locking piece, and this locking piece comprises a fixed part and a location buckle;

Switch terminal set comprises the first terminal, second terminal and the 3rd terminal, and wherein an end of second terminal forms first elastic contact part and second elastic contact part of bending jag, and these elastic contact parts are in order to conflict with the contact site of the 3rd terminal.

2. card connector structure-improved according to claim 1, wherein, the fixed part of this appearance locking piece is the slit that is accommodated on the slide block.

3. card connector structure-improved according to claim 1, wherein, the length of first elastic contact part and second elastic contact part and bending angle are also inequality.

4. card connector structure-improved according to claim 1, wherein, trip mechanism is arranged at a sidepiece of insulating body.