CN2766400Y

CN2766400Y - Electronic card connector

Info

Publication number: CN2766400Y
Application number: CN 200420054136
Authority: CN
Inventors: 沈国健; 李仁志
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: 2004-12-04
Filing date: 2004-12-04
Publication date: 2006-03-22
Anticipated expiration: 2014-12-04

Abstract

The utility model relates to an electronic card connector, which is used for containing electronic cards with two different types. The utility model comprises an insulating body, a conductive terminal and a misplug preventing device, wherein a containing channel containing the electronic card is arranged on the insulating body; the conductive terminal comprises a contacting part contacted with the electronic card and a welding part welded with a circuit board; the conductive terminal is contained into the insulating body; the misplug preventing device is contained into the insulating body; the misplug preventing device is provided with a stop dog which is contained into the insulating body and convexly extends from the first containing channel and spring sheets fixedly clamped on the stop dog along the inserting direction of the card. After the spring sheets are subjected to external force, causing elastic deformation, the stop dog can rotate around a rotating shaft under the action of the push of the card, causing the first containing chamber is in a completely open status; thereby, the card can be swimmingly inserted. Inversely, the spring sheets can clamp the stop dog under the condition of no stress, causing that the first containing cavity is in a closed state; in this way, the utility model can prevent the erroneous insertion of the card and have a function for protecting an electronic device.

Description

Electronic card coupler

[technical field]

The utility model is relevant a kind of electronic card coupler, refer in particular to a kind of prevent electronic cards misplug into electronic card coupler.

[background technology]

Along with developing rapidly of electronic technology, the intensification integrative development trend of electronic product is for being applied to computer, electronic dictionary, digital still camera, mobile phone, the electronic card coupler of PDA electronic installations such as (personal digital assistance) proposes higher requirement, the location structure of traditional electrical subcard and connector is that the housing with connector is fixed on the circuit board, again electronic cards is inserted and reached the purpose that electronic cards and connector are connected in the connector, yet because the model difference of various electronic cards, its apparent size and shape are also variant, so the memory card of different model must be plugged on the connector of the specific model that is consistent with its model, can make connector read memory document in the memory card, so people need design a kind of new electronic card coupler, its multiple electronic cards of can pegging graft is to satisfy people to more miniaturization of electronic equipment, lighter demand.

For the connector that can insert for dissimilar card, if the recognition device that card inserts is not set on the connector, its use still can cause puzzlement concerning general user, bring the inconvenience in the use and make easily that connector is impaired to influence useful life, as United States Patent (USP) the 6th, 738, No. 259 and Chinese patent are disclosed for No. 03246571.8 is suitable for the connector that different cards is inserted, though can satisfy dissimilar cards inserts, but be easy to cause the misoperation in the use, therefore need a kind of not only can for dissimilar cards insert but also the connector that can prevent misoperation to satisfy people's demand.

[utility model content]

The purpose of this utility model is to provide a kind of electronic card coupler, this electronic card coupler can for different card insert and can effectively avoid mispluging into, and prevent that the electronic component damaged from influencing its useful life.

For achieving the above object; the utility model adopts following technical scheme: a kind of electronic card coupler; it comprises insulating body; conducting terminal; trip mechanism and misplug prevention device; wherein said insulating body is provided with the host cavity of accommodating electronic cards; conducting terminal comprises contact site that contacts with electronic cards and the weld part that welds with circuit board; aforementioned conducting terminal is contained in the aforementioned dielectric body; aforementioned misplug prevention device is contained in the aforementioned dielectric body; this misplug prevention device is provided with along card insertion direction and is contained in the aforementioned dielectric body and convexedly stretches in the block of first host cavity and be held in the shell fragment of aforementioned block; when being subjected to aforementioned block after the external force effect strain, shell fragment make first host cavity be in complete open state in the rotating shaft rotation that can be provided with on the block under the promotion of card; card can be inserted smoothly; if instead but the buckle block makes first host cavity be in closed state to shell fragment under the stressing conditions not having; so just, can prevent card misplug into, play the protection electronic installation effect.

Compared with prior art, the utility model electronic card coupler can prevent effectively that the mistake of different electronic cards from pegging graft, thereby the protection electronic component is avoided damage, increases its useful life owing to be provided with a misplug prevention device.

[description of drawings]

Fig. 1 is the unassembled preceding stereogram of the utility model electronic card coupler shielding casing.

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

Fig. 3 is the utility model electronic card coupler misplug prevention device three-dimensional exploded view.

Fig. 4 is the preliminary profile that inserts of the utility model electronic card coupler electronic cards.

Fig. 5 is the profile that the utility model electronic card coupler electronic cards is further inserted.

The profile that Fig. 6 inserts fully for the utility model electronic card coupler electronic cards.

Fig. 7 is the preliminary profile that inserts of another electronic cards of the utility model electronic card coupler.

Fig. 8 is the profile that another electronic cards of the utility model electronic card coupler is further inserted.

The profile that Fig. 9 inserts fully for another electronic cards of the utility model electronic card coupler.

[embodiment]

See also shown in Figure 2ly, the utility model electronic card coupler comprises insulating body 1, be contained in trip mechanism 2, misplug prevention device 3, the plurality of conductive terminals 4 in the insulating body 1 and be used to hide the shielding casing 5 of insulating body.

Please be shown in Figure 1 in conjunction with consulting simultaneously, insulating body 1 roughly is a rectangular structure, described insulating body is formed by last end face 11, bottom surface 12, left surface 13, right flank 14, front end face 15, rear end face 16 with by the cavity 17 of accommodating that each end face surrounds, wherein front end face 15 be provided with one with accommodate the opening that cavity 17 communicates, and on bottom surface 12, form a breach 121.The left surface 13 of insulating body, right flank 14 be provided with from front end face 15 to back end 16 directions extend first accommodate conduit 131 and second and accommodate conduit 132, and first accommodates conduit 131 is positioned at second below of accommodating conduit 132, the width that its mutual conduction and first is accommodated conduit is greater than second width of accommodating conduit 132, first accommodates middle part, conduit 131 left and right sides is arranged with square recess 134 near front end face 15 places, this recess 134 side 13 and right flank 14 directions left extends and communicates with cylindrical hole 133, and through hole 133 front and back are respectively equipped with slit 135 (seeing shown in Figure 4), second accommodates the breach 136 that conduit 132 forms left-right symmetric and is communicated with through hole in described through hole 133 positions, described recess is much larger than described breach, the right flank 14 of insulating body 1 is provided with the accepting groove 144 of always putting on end face 11 near rear end face 16 places, also be provided with on the right flank 14 simultaneously and have the projection 145 that forms to accepting groove 144 sunken insides, projection 146 and raised line 148 that some intervals are provided with, structure is identical therewith, and left surface also is provided with corresponding projection and raised line (not shown).

Trip mechanism 2 comprises body 21 and the spring 22 that is contained in insulating body 1 accepting groove 144, and an end of its medi-spring 22 is contained in the body 21, the other end stretch out with the insulating body accepting groove in be fixedly arranged on rear end face 16 cylinder 161 contact.Body 21 comprises that first moves back fixture block 211, second and move back fixture block 212, accepting groove 213 and move back kelly 214, wherein first thickness that moves back fixture block 211 is much smaller than second thickness that moves back fixture block 212, and first moves back fixture block 211 and second upper surface that moves back fixture block 212 is in same plane, an end that moves back kelly 214 is contained in the accepting groove 213, the other end stretches out, and is contained in (not shown) in the slit on the accepting groove 144.In addition, body 21 is provided with a shrinkage pool 215, and the projection that caves inward 145 that is provided with on the aforementioned side 14 is contained in this shrinkage pool trip mechanism 2 is positioned in the accepting groove 144.

Please continue to consult Fig. 2 and shown in Figure 3, misplug prevention device 3 comprises block 31, shell fragment 32, spring 33 and installation sheet 34.Wherein block 31 ends are one to be assembled in the rotating shaft 311 in the aforementioned through-hole 133, the block front end forms a cutting inclined-plane 313, the block middle part offers a pivoting hole 314 near rotating shaft place, side at this pivoting hole 314 is provided with projection 315, described shell fragment 32 comprises the holding part 320 that is assembled in pivoting hole 314 and is held in block holding part (not shown), elastic contact part 322 and holding parts 324, wherein form the kink 321 that caves inward between holding part 320 and the elastic contact part 322, kink 321 offers the opening 325 that interlocks and hold with aforementioned projection 315 with the junction of holding part 320, form one between elastic contact part 322 and the holding parts 324 " U " transition part 323 of type and hollow out, described spring 33 is assembled in the rotating shaft 311 of block 31, the one end is resisted against the block upper surface other end and contacts with installation sheet 34, installation sheet 34 main bodys are a rectangular sheet, its central authorities be provided with one with block rotating shaft 311 circular holes 341 with the footpath, described installation sheet two ends are bent to form kink 342 downwards, kink 342 left and right sides are provided with two salient points 343, described kink 342 is assembled in the slit set on the insulating body 1 135, after this misplug prevention device is assembled, the positioning action up and down that described installation sheet 34 is realized this misplug prevention device.

Conducting terminal 4 comprises that body 40, first elastic contact part 41 that is extended by body 40 reach second elastic contact part 42 and the weld part 43 that is stamped out by body.

Shielding casing 5 comprises upper surface 51 and the left and right sides face 52 that is bent to form by upper surface, is respectively equipped with the through hole 521 of some spaces and some bonding pads 522 and a groove 523 that is formed towards outer bending by the left and right sides on this left and right sides face 52.

Electronic card coupler is assembled into one, at first trip mechanism 2 is contained in the accepting groove 144 of insulating body 1, match by the projection that caves inward 145 that is provided with on shrinkage pool on the trip mechanism 2 215 and the side 14, trip mechanism 2 is immobilizated in the insulating body 1, and the other end of its spring 22 is resisted against in the accepting groove 144 of insulating body 1 and is fixedly arranged on the cylinder 161 of Hou end face.Further misplug prevention device 3 is assembled on the insulating body 1, wherein the fixed part 324 of shell fragment 32 is contained in respectively in the accepting groove of insulating body 1, thereby shell fragment 32 is fixed in the insulating body 1, the elastic contact part 322 of described shell fragment 32 is protruding to be exposed in the host cavity 17 of insulating body 1, shell fragment holding parts 320 is immobilizated in block holding parts (not shown), after shell fragment holding parts and block holding parts assemble, projection 315 on the block pivoting hole 314 is just in the opening 325 of snap close on shell fragment, this snap close mode is well located misplug prevention device with the shell fragment holding parts, block rotating shaft simultaneously is assembled in that stop body portion convexedly stretches in the host cavity 17 by breach in the through hole 133, spring 33 is installed in the rotating shaft, when being assembled in insulating body rear spring 34, installation sheet 34 just well is positioned between block and the installation sheet, its upper surface of mounted installation sheet and insulating body upper surface are in the same plane, conducting terminal 4 and insulating body 1 are assembled into one, wherein first elastic contact part 41 and second elastic contact part 42 are contained in respectively in the host cavity 17 of insulating body 1, wherein first elastic contact part 41 is positioned at the position near block 31, and be positioned at from the front end face 15 of insulating body 1 rear of the block 31 seen of 16 directions to back end, and second elastic contact part 42 is positioned at the position near rear end face 16, weld part 43 stretches out from the rear end face 16 of insulating body 1, is used for and circuit board (not shown) welding.At last the last end face 11 of shielding casing 5 from insulating body 1 is installed on downwards on the insulating body 1, wherein the projection 146 that is provided with of the some intervals on the right flank of insulating body 1 is contained in respectively on the right flank 52 of shielding casing 5 in the corresponding through hole 521 that is provided with at interval, the raised line 148 of insulating body 1 is contained in the groove 523 of shielding casing 5 in addition, equally, the left surface 13 of insulating body 1 is identical with cooperating of shielding casing 5 with right flank 14 with the cooperation of shielding casing 5, thereby shielding casing 5 is immobilizated on the insulating body 1, and wherein the bonding pad 522 on the shielding casing 5 is used for and circuit board (not shown) welding.

See also Fig. 4, Fig. 5 and shown in Figure 6, if the accommodate conduit of electronic cards 6 by insulating body 1 inserted in the host cavity 17, at first electronic cards 6 being accommodated conduit 132 from second inserts, be positioned at the below of accepting groove 132 because of block 31 upper surfaces, therefore electronic cards 6 can not be subjected to it to stop direct insertion, when electronic cards 6 and first of card-withdrawing structure 2 move back after fixture block 211 contacts, continue to promote electronic cards 6, just can drive first moves back fixture block 211 and travels forward, well contact up to electronic cards 6 being inserted into first elastic contact part 41 of conducting terminal 4, if further promote electronic cards 6, because the motion of trip mechanism 2 can be withdrawed from electronic cards 6.On the contrary, if electronic cards 6 is accommodated conduit 131 from first to be inserted, because the size of electronic cards 6 is less, its can not with elastic contact part 322 Elastic Contact of shell fragment 32, so the contact site 322 of shell fragment 32 is under the effect that is not subjected to contact force, can outwards not move, this moment is because the opening 325 of shell fragment 32 interlocks with projection 315 on the block holds, block 31 just can not rotate under the further promotion of electronic cards 6 around the shaft, accommodate conduit and be in closed state this moment first, therefore when electronic cards 6 is further inserted end 60 with block 31 joints, block 31 can block electronic cards 6, it can't be moved forward, and can only move upward along the cutting inclined-plane 313 of block 31, thereby enter second and accommodate conduit 132, and further insertion contacts with first contact site 41 of conducting terminal 40, so electronic cards 6 can't be accommodated in the host cavity 17 of passage 131 insertion insulating bodies 1 by first.

See also Fig. 7 to Fig. 9, if the accommodate conduit of electronic cards 7 by insulating body 1 inserted in the host cavity 17, because the width of electronic cards 7 is greater than second width of accommodating the opening that conduit 132 forms, therefore electronic cards 7 can only be accommodated conduit 131 along first inserts, when electronic cards 7 with after the contact site 322 of shell fragment 32 contacts, just shell fragment 32 is pushed on the close two sides direction of insulating body 1, because the contact site 322 of shell fragment 32 is subjected to outside active force, direction protrudes out thereby shell fragment 32 just can move simultaneously to back end laterally, projection 315 on this moment block pivoting hole 314 just with shell fragment on opening 325 break away from simultaneously that the holding part of shell fragment 32 and the holding part of block 31 are separated, when card 7 is further inserted, block 31 just 311 rotates to it and embeds fully in the recess 134 around the shaft under the promotion of electronic cards 7, make first to accommodate conduit 131 and be in complete open state and enter smoothly so that block 7, continuing push card 7 can make it move back 211 times processes of fixture block from first of trip mechanism 2, contact until moving back fixture block 212 with second of trip mechanism 2 when electronic cards 7, and promote second and move back fixture block 212 and travel forward, up to electronic cards is inserted fully, and well contact with second elastic contact part 42 of conducting terminal 4.Further promote electronic cards 7 and since trip mechanism 2 move back the motion of kelly 214 in heart-shaped groove structure, electronic cards 7 can be moved back fixture block 212 by second and withdraw from.

Compared with prior art, the utility model electronic card coupler is by being provided with misplug prevention device 3, when electronic cards 6 wrong insertions, the elastic portion of shell fragment 32 is not having under the stressed effect, the opening snap close mutually that the holding part of shell fragment and the holding part of block interlock and hold block upper protruding block and shell fragment simultaneously, block just can not rotate when card 6 further inserts, make first to accommodate conduit and be in closed state, thereby stop card 6 misplug into, simultaneously since second width of accommodating passage 132 less than first width of accommodating passage 131, and because the size of electronic cards 7 is bigger, can not accommodate passage 132 by second and insert accommodating in the cavity 17 of insulating body 1, reach the effect that prevents wrong plug-in card thus, thereby effectively prevented the damage of electronic equipment, the useful life of further having improved product.

Claims

1. electronic card coupler, it comprises insulating body, conducting terminal, trip mechanism and misplug prevention device, wherein said insulating body is provided with the conduit of accommodating of accommodating electronic cards, conducting terminal comprises contact site that contacts with electronic cards and the weld part that welds with circuit board, aforementioned conducting terminal is contained in the aforementioned dielectric body, aforementioned misplug prevention device is contained in the aforementioned dielectric body, this misplug prevention device is provided with to be contained in the aforementioned dielectric body and to convexedly stretch in first along card insertion direction and accommodates the block of conduit and be held in the shell fragment of aforementioned block, described block is provided with projection, described shell fragment has holding parts and the protruding elastic contact part of accommodating conduit that is exposed to that is installed on the insulating body, it is characterized in that: described shell fragment is provided with the recess that interlocks and hold with described block upper protruding block, be not subjected at shell fragment under the situation of external force deformation, with the shell fragment holding parts locate described block with prevent card misplug into.

2. electronic card coupler as claimed in claim 1 is characterized in that: described first accommodates conduit is provided with recess, and second accommodates conduit is provided with a breach.

3. electronic card coupler as claimed in claim 2, it is characterized in that: the described misplug prevention device in location before and after described breach can play a part, be contained in fully in the described recess after described block rotates around the shaft, make first to accommodate conduit and be in complete open state.

4. electronic card coupler as claimed in claim 1 is characterized in that: described shell fragment is provided with holding part, and described holding part and block interlock and hold with position block.

5. electronic card coupler as claimed in claim 4, it is characterized in that: described shell fragment is blocked when both sides promote, shell fragment holding part and recess all are separated with block, and described block rotates to around the shaft under the further promotion of card and accommodates conduit and be in complete open state.

6. electronic card coupler as claimed in claim 5, it is characterized in that: described misplug prevention device has can make block center on the rotating shaft of rotation, and described rotating shaft is provided with the installation sheet in centre bore and the same footpath of rotating shaft, is provided with spring between described rotating shaft and the described installation sheet.

7. electronic card coupler as claimed in claim 6 is characterized in that: described block be provided with when the card misplug after bootable its enter the inclined-plane of correct conduit.

8. electronic card coupler as claimed in claim 6 is characterized in that: described installation sheet has the kink that is used for fixing up and down this misplug prevention device.

9. electronic card coupler as claimed in claim 1 is characterized in that: the body of described conducting terminal, first elastic contact part, second elastic contact part and weld part are one-body molded.

10. electronic card coupler as claimed in claim 1 is characterized in that: the thickness that first of described trip mechanism moves back fixture block is less than second thickness that moves back fixture block.