Background technology
Fast development along with electronics, multimedia technology, make consumption electronic products usage quantities such as mobile phone, MP3 player, digital camera, also significantly grow up with multiple year by year, it is indispensable just like to have become in the New Times trend institute, and high because of the electronic product utilization rate just, relatively, promptly require to possess multi-functional integration of interface, additional more services, as listen to the music, take a picture, receive to send e-mails etc. and can provide the user to have the multi-purpose machine function simultaneously.
Moreover, electronic product carries out the storage and the file administration of data, generally all can use memory card, particularly to single, independent or temporary data storage, and be plugged in card connector inside with memory card, and can by card connector realize and electronic product between communication and processing, and memory card is favored by the consumer promptly extensively since coming out, and become a kind of indispensable tool using, so the card connector demand is also increased thereupon significantly.
Yet traditional memory card is plugged in the card connector, if memory card is not pushed into the anchor point of card connector or touched improperly by external force when producing situation about getting loose and taking place, very easily can't differentiate memory card and whether form electric connection with card connector, and cause loose contact or contact to interrupt signal can't be transmitted smoothly, or the data in reading runs off, so some memory card is provided with the read/write switch, stir the read/write switch in order to the user and prevent that the memory card inside information is read or can writes data, therefore, just have relevant dealer develop various possess have the detecting loop conducting, memory card puts in place or has or not the card connector of preventing functions such as writing, it is to be provided with a plurality of detecting terminal group in card connector inside, in order to detect above-mentioned various function, and respectively detecting terminal group all is provided with two mutually corresponding terminals and forms electric connection, so in design, certainly will take certain space in card connector inside, and then make the design miniaturization again of card connector integral body, and this detecting terminal group also needs the above mould of at least two groups just can make, so that manufacturing cost significantly increases; In addition, the detecting terminal group is assembled in the plastic cement body that card connector has, this kind mode tends to be subjected to the restriction in space, and cause in the assembling inconvenience with the difficulty, whole terminal retain strength amount is difficult to guarantee, more will influence assembling effect and stability of structure, yet the designer trends of electronic product are also towards compact external form development, so the card connector volume size also must be haggled over every penny in design, therefore to how to save the inner shared space of card connector again, reach the purpose of dwindling the card connector volume with this, be and remain to be engaged in the direction place that this journey dealer desires most ardently the research improvement.
Summary of the invention
The designer is because above-mentioned problem and disappearance, is collect related data via assessing in many ways and consider, and utilizes the research and development experience for many years of engaging in the industry constantly to study and revise, and the beginning is designed the novel birth of this kind card connector.
Main purpose of the present utility model is that the Plug Division of pedestal institute tool is positioned with the detecting terminal, and on the shield shell sidewall that the pedestal outer cup is covered, be extended with contact flat spring towards the bending of Plug Division direction, when memory card is inserted in the grafting space of pedestal, just can the ejection contact flat spring support to form on the elastic arm that is contacted with detecting terminal correspondence and electrically conduct, whether can have the detecting memory card according to the difference of implementing status requirements or design with this puts in place or has or not the anti-function of writing, and can reduce unnecessary detecting terminal group and be arranged at the inner occupation space of pedestal, make more miniaturization of global design with effective reduction card connector volume.
Secondary objective of the present utility model is a plurality of the first terminals that terminal group has and detecting terminal, and to inlay shoot mode one-body molded in order can utilize with pedestal, and be equipped with a strip on the base portion of each the first terminal and detecting terminal institute tool, making detecting terminal and the first terminal is the Different Plane design that is vertical angle, this kind pedestal coats the restriction that ejection formation also can not be subjected to the member shape or assemble jointly with the detecting terminal, and can be easy to a large amount of manufacturings and need not pass through assembling, with the manufacturing cost of relative reduction card connector, and has higher structural stability.
A purpose more of the present utility model is to be embedded with in the caulking groove of pedestal on support arm and detects terminal, and support shell fragment for further being extended with on the shield shell sidewall towards the bending of Plug Division direction, when the memory card of different size is inserted in the grafting space of pedestal, its memory card also ejection simultaneously detects terminal supporting and is contacted with to form on the elastic arm that supports the shell fragment correspondence and electrically conducts, just can detect the actual switching position of read/write switch of memory card one side again, detect memory card with this and be in can read and maybe can prevent writing kenel, and improve whole function and the effect used.
For reaching above-mentioned purpose, a kind of card connector of the utility model includes pedestal, terminal group and shield shell, wherein:
The both sides, Plug Division that this pedestal had are extended with support arm in the same way, and are formed with the grafting space of inserting for the preset memory card between two support arms, and are provided with the storage tank that is connected with the space of pegging graft in support arm;
This terminal group is positioned the Plug Division, and includes a plurality of the first terminals and at least one detecting terminal, and detecting terminal one side is extended with the elastic arm that is positioned at storage tank;
This shield shell cover is overlying on the pedestal outside, and be bent with side plate in the base portion both sides that shield shell had, and be extended with contact flat spring towards the bending of Plug Division direction on the side plate sidewall, and contact flat spring one side surface is provided with and is positioned at the grafting space and is the curved arc shape support division of elasticity beat displacement for the ejection of preset memory card, and then the support division bending is extended with can support to be contacted with on the corresponding elastic arm of detecting terminal and forms the contact site that electrically conducts again.
Described card connector, wherein, the storage tank internal face of this pedestal on support arm tiltedly stretched towards the Plug Division direction and is formed with the stop surface that is used to limit contact flat spring elastic displacement distance, and be positioned at another support arm and be provided with slideway, and in slideway, be positioned with the push unit of pushing generation cycle slip location for preset memory card secondary.
Described card connector, wherein, it is one-body molded that shoot mode is inlayed in this pedestal and terminal group utilization, and be equipped with a strip on each the first terminal and the detecting base portion that terminal had, and base portion one side of the first terminal is provided with the preset memory card and forms the electrical contact site that contacts, and the opposite side away from contact site is provided with the weld part that can pass the pedestal outside, the base portion side limit of detecting terminal is bent with vertical with the first terminal base portion and is positioned at the turning point of Different Plane, and the turning point bends and is extended with flat elastic arm.
Described card connector wherein, offers on the side plate sidewall of this shield shell with storage tank and form the holes that aligns, and the contact flat spring that lateral buckling extends in the holes convexes with the support projection of block in the holes inner edge at the contact site apical margin.
Described card connector, wherein, the base surface of this shield shell is bent with the guide piece of block on contact flat spring downwards.
Described card connector, wherein, this pedestal is positioned at bottom, grafting space and is formed with hollow-out parts, and terminal group is provided with a plurality of second terminals, and base portion one side that each second terminal is had is provided with can pass outside the hollow-out parts and forms the electrical contact site that contacts with the preset memory card, is provided with the weld part that can pass the pedestal outside in the opposite side away from contact site again.
Described card connector, wherein, this pedestal offers caulking groove on support arm, its caulking groove inside is embedded with and detects terminal, be provided with the support division that is positioned at the grafting space and is the displacement of elasticity beat for the ejection of preset memory card and detect terminal one side surface, and on support division, be bent with contact site, then be extended with for detecting the corresponding contact site of terminal on the side plate sidewall of shield shell and support contact and form the shell fragment that supports that electrically conducts towards Plug Division direction bending.
Described card connector, wherein, this supports shell fragment one example and is extended with and detects contact site that terminal has and form and to align and flat elastic arm.
Embodiment
For reaching above-mentioned purpose and structure, technological means that the utility model adopted and effect thereof, drawing now illustrates in detail that with regard to preferred embodiment of the present utility model its structure is as follows with function, in order to understanding fully.
See also Fig. 1, Fig. 2, shown in Figure 3, be respectively the three-dimensional exploded view at stereo appearance figure of the present utility model, three-dimensional exploded view and another visual angle, find out by knowing among the figure, the utility model includes pedestal 1, terminal group 2, push unit 3 and shield shell 4, so with regard to the utility model main member and feature describe in detail as after, wherein:
This pedestal 1 is for having a Plug Division 11, and Plug Division 11 is provided with a plurality of grooves 111 of wearing, and in the Plug Division 11 both sides are extended with support arm 12 in the same way, and be formed with between two support arms 12 and can on two support arms 12, then be respectively equipped with the slideway 13 of tool guide groove 131 and the storage tank 14 that can be connected again for the grafting space 10 of memory card 5 (as shown in Figure 4) insertion with grafting space 10; In addition, on storage tank 14 interior sidewall surface towards the Plug Division 11 directions tiltedly stretch and be formed with stop surface 141.
It is one-body molded with pedestal 1 that this terminal group 2 utilizes plastics to inlay shoot mode (Insert Molding), and include a plurality of the first terminals 21 and detect terminal 22, and be equipped with a strip 20 on the base portion 211,221 that each the first terminal 21 and detecting terminal 22 are had, and the base portion 211 that the first terminal 21 is had is positioned to wear in the groove 111, and be provided with the contact site 212 that can be inserted in the grafting space 10, and then be provided with the weld part 213 that can pass pedestal 1 outside away from the opposite side of contact site 212 in base portion 211 1 sides; In addition, the base portion 221 that detecting terminal 22 is had is positioned 11 inside, Plug Division, and be bent with towards the top in base portion 221 sides can be vertical with the first terminal 21 base portions 211 and be positioned at the turning point 222 of Different Plane, then turning point 222 1 lateral bucklings are extended with and are positioned at storage tank 14 and flat elastic arm 223 again, and base portion 221 is provided with the weld part 224 that can pass pedestal 1 outside away from another example of elastic arm 223.
This push unit 3 is positioned in the slideway 13 of pedestal 1, and has a push block 31, and push block 31 inboard places are formed with the passing face 311 of memory card 5 ejections that can supply, and the opposite side rear of adjacent passing face 311 is provided with flexible member 312, and is provided with in push block 31 and can be positioned at the guide rod 32 that guide groove 131 is made the cycle slip location action.
These shield shell 4 covers are overlying on pedestal 1 outside, and has a base portion 41, and stretch to declivity on base portion 41 surfaces the Location resilient piece 411 that can be held on push unit 3 guide rods 32, and base portion 41 both sides are bent with side plate 42 downwards, offer on its side plate 42 sidewalls and can form the holes 421 that aligns with storage tank 14, the bending of 12 directions is extended with contact flat spring 43 towards the Plug Division in holes 421 inboard places again; In addition, contact flat spring 43 1 side surfaces are provided with the support division 431 that is positioned at grafting space 10 and is the curved arc shape, and then support division 431 bendings are extended with can support to be contacted with on detecting terminal 22 elastic arms 223 and form the contact site 432 that electrically conducts; In addition, but base portion 41 surfaces are bent with the guide piece 412 of block on contact flat spring 43 downwards, and two side plates, 42 bottoms are bent with a plurality of pins 422.
It is one-body molded that shoot mode is inlayed in a plurality of the first terminals 21 that above-mentioned terminal group 2 is had and detecting terminal 22 and pedestal 1 utilization, and after the strip 20 on the base portion 211,221 blocked, this kind pedestal 1 common ejection formation that coats need be by assembling, can effectively reduce spent man-hour and the cost of detecting terminal 22 back system assembly programs, and has a higher structural stability, also can not be subjected to the restriction in member shape or the assembling, make more miniaturization of its global design.
When the utility model in when assembling, earlier push unit 3 is positioned in the slideway 13 on pedestal 1 another support arm 12, make guide rod 32 ends on the push block 31 be positioned at guide groove 131 and make the cycle slip location action, shield shell 4 covers can be overlying on pedestal 1 outside, and so that the contact flat spring 43 of 12 directions extension aligns for the detecting terminal 22 with 2 tools of terminal group forms towards the Plug Division on side plate 42 sidewalls, make its contact site 432 be positioned at grafting space 10 and block on the guide piece 412 of base portion 41 bending downwards, the structural destruction that the reverse contact site of pushing on contact flat spring 43 432 is produced when preventing to move back card because of memory card 5 is just finished the assembling of the utility model integral body.
Please consult Fig. 2 simultaneously, Fig. 4, shown in Figure 5, be respectively three-dimensional exploded view of the present utility model, top plan view before the plug-in card and the top plan view behind the plug-in card, find out by knowing among the figure, rely on above-mentioned member when using, earlier memory card 5 is inserted in the grafting space 10 for the interface 101 by pedestal 1 the place ahead, and memory card 5 leading edges promptly can ejection in the push block 31 of 3 tools of push unit, make push block 31 be positioned at slideway 13 and make reciprocal slide displacement, compression elastic element 312 and drive guide rod 32 and in guide groove 131, push the action that produces cycle slip and location simultaneously as secondary, to make things convenient for memory card 5 can finish into card smoothly or to move back card, yet various push unit 3 structures are not quite similar, and this is the prior art category about how push unit 3 cooperates memory card 5 to advance card or move back the card mode partly, and this thin portion constitutes non-key points in design of the present utility model, does not remake now and gives unnecessary details.
And in the process that memory card 5 pushes, also can ejection in shield shell 4 in side plate the contact flat spring 43 on 42, the support division 431 that makes its contact flat spring 43 be positioned at grafting space 10 and be the curved arc shape is subjected to producing elasticity beat displacement laterally after the ejection, and support with contact site 432 and to be contacted with elastic arm corresponding on the detecting terminal 22 223 and to form and electrically conduct, continue memory card 5 is continued to be pushed in the grafting space 10, at this moment, if the read/write switch 52 of memory card 5 one sides is positioned in the time of can preventing writing position, can pass through the support division 431 of read/write switch 52 ejections on contact flat spring 43, its contact site 432 is supported be contacted with elastic arm corresponding on the detecting terminal 22 223 to form and electrically conduct, can prevent that thus the data of memory card 5 inside is read or writes; Otherwise, when if but the read/write switch 52 of memory card 5 is positioned at writing position, then make support division 431 beats on the contact flat spring 43 to read-write slot 53, do not electrically conduct and can not support to contact to form with detecting terminal 22, can be read or write the data action for memory card 5, can have detecting memory card 5 according to the difference of implementing status requirements or design with this puts in place or has or not anti-function such as write, and after treating that memory card 5 puts in place fully, a plurality of metallic contacts 51 that can be had by memory card 5 bottom surfaces are respectively to being positioned at the contact site 212 on each the first terminal 21, and form electrical contact condition, carry out reading and write activity of data signal again.
In addition in the process that memory card 5 pushes, memory card 5 sides can be along shield shell 4 base portion 41 guidings of the guide piece 412 of bending downwards, the mobile route that inserts it into to the grafting space 10 of pedestal 1 is more certain, and can utilize the stop surface 142 engagement limits contact flat springs 43 on storage tank 14 internal faces to be difficult for producing excessive elastic displacement distance and scope, and then can prevent that structural destruction and type that contact flat spring 43 is caused when being subjected to memory card 5 ejections easily from becoming, memory card 5 blockings also maybe may be arranged, can't withdraw from the situation of card connector inside and take place, to keep its stable user mode; In addition, the storage tank 14 on pedestal 1 support arm 12 be for can be Openworks shape, and connected to pedestal 1 outside by grafting space 10, yet this embodiment is not in order to limit the utility model claim.Storage tank 14 also can be the inner concavity design on support arm 12 interior sidewall surface.
The memory card 5 of above-mentioned explanation can be flash card (Compact Flash Card, the CF card), memory stick (Memory Stick Card, the MS card), safe digital card (Secure Digital Card, the SD card), multimedia card (Multi-Media Card, mmc card), smart media cards (Smart Media Card, the SM card), the digital portrait memory card of the limit (Extreme Digital Picture Card, the XD card), and carry out improvement design by above-mentioned memory card by the basis and produced a series of memory cards, as mini safe digital card (MiniSD), specifications such as miniature safe digital card (Micro SD) card.
Please continue to consult Fig. 6, Fig. 7, shown in Figure 8, be respectively the three-dimensional exploded view of the utility model preferred embodiment, top plan view before the preferred embodiment plug-in card and the top plan view behind the preferred embodiment plug-in card, find out by knowing among the figure, the utility model pedestal 1 is positioned at 10 bottoms, grafting space and is formed with hollow-out parts 15, and 14 the place aheads of the storage tank on support arm 12 offer caulking groove 121, its caulking groove 121 inside are embedded with and detect terminal 16, be provided with the support division 161 that is positioned at grafting space 10 and is the curved arc shape and detect terminal 16 1 side surfaces, but and be extended with the contact site 162 of block on caulking groove 121 sidewalls in support division 161 bending, then be provided with the weld part 163 that can pass pedestal 1 outside in opposite side again away from contact site 162; In addition, terminal group 2 is for further being provided with a plurality of second terminals 23, and the base portion 231 that each second terminal 23 is had is for being positioned pedestal 1 bottom, and be provided with can pass outside the hollow-out parts 15 with the first terminal 21 contact sites 212 in base portion 231 1 sides and be the contact site 232 that relative direction is provided with, and be provided with the weld part 233 that can pass pedestal 1 outside away from the opposite side of contact site 232.
Moreover, the side plate 42 of shield shell 4 in the inboard place of holes 421 for towards the Plug Division 12 directions further bending be extended with and support shell fragment 44, and in support shell fragment 44 1 sides be extended with can with detect 16 tool contact sites of terminal 162 and form and align and flat elastic arm 441; But contact flat spring 43 then convexes with block in contact site 432 upper edges and supports projection 433, the structural destruction that the reverse contact site of pushing on contact flat spring 43 432 is produced when preventing that memory card 5 from moving back card in holes 421 inner edges.
And when the memory card 5 of different size is inserted in the grafting space 10 of pedestal 1, its memory card 5 promptly can the contact flat spring 43 of ejection on shield shell 4 side plates 42, the contact site 432 of contact flat spring 43 is supported be contacted with to form on the detecting terminal 22 pairing elastic arms 223 to electrically conduct, but and then detection card connector and electronic product (not shown) whether form and detect the loop; Moreover, this memory card 5 also ejection simultaneously in detecting terminal 16, make its support division 161 that detects on the terminal 16 be subjected to producing elasticity beat displacement laterally after the ejection, and contact site 162 is supported be contacted with to support to form on the shell fragment 44 pairing elastic arms 441 and electrically conduct, just can detect the read/write switch 52 actual switching positions of memory card 5 one sides again, detecting memory card 5 with this is in can read and maybe can prevents the pattern kenel write, when if read/write switch 52 switches to read-write position, the support division 161 that detects on the terminal 16 can't be by 52 ejections of read/write switch, and corresponding elastic arm 441 formation electrically conduct on can't making its contact site 162 and supporting shell fragment 44, so, data can be write memory card 5 inside; Otherwise, if read/write switch 52 switches in the time of can preventing writing position, its 161 of support division that detect on the terminal 16 can be produced the displacement of elasticity beat by 52 ejections of read/write switch, and then corresponding elastic arm 441 formation electrically conduct on making its contact site 162 and supporting shell fragment 44, can prevent that with this data from writing memory card 5 inside, so, the utility model detecting terminal 22, detect terminal 16 and have and to detect memory card 5 simultaneously and whether put in place or have or not the anti-function of writing, with this setting that can reduce unnecessary detecting terminal group, make more miniaturization of its global design.
In addition when different memory cards 5 are inserted into pedestal 1 inner tram, can form electrical contact condition to the contact site 212,232 that is positioned on each the first terminal 21 or second terminal 23 respectively by a plurality of metallic contacts 51 that memory card 5 bottom surfaces are had, and then can carry out data transmission action; In addition, above-mentioned a plurality of the first terminals 21, second terminal 23 can be and be single row or multiple rows and be set up in parallel, and the contact site 212,232 on each the first terminal 21, second terminal 23 also can be respectively towards the place ahead, the rear or be relatively, the rightabout setting, and form to electrically connect with memory card 5 and get final product.
So, to inlay shoot mode one-body molded in order to utilize with pedestal 1 at a plurality of the first terminals 21 that terminal group 2 had and one or more detecting terminals 22 for the utility model, and cooperate the contact flat spring 43 of the extension that 12 directions bend towards the Plug Division on shield shell 4 sidewalls and have detecting memory card 5 and put in place or have or not and prevent that the function of writing is main key protection point, just can come assisted memory card 5 to advance card or move back card by push unit 3, memory card 5 ejections are formed with detecting terminal 22 in contact flat spring 43 to electrically conduct, and then can reduce unnecessary detecting terminal group and be arranged at shared space in the pedestal 1, volume with effective reduction card connector, this kind pedestal 1 also is easy to a large amount of manufacturings with the detecting terminal 22 common ejection formations that coat, need can not reduce the card connector manufacturing cost relatively by assembling; In addition, the pattern of pedestal 1 and terminal group 2, push unit 3 each composed components and configuration mode etc. only are a kind of preferable enforcement state, be not to be the main demand feature of the utility model place, but one or more detecting terminal 22 can be set according to the difference of user's demand or design, detect terminal 16 and implement, and cooperate shield shell 4 contact flat spring 43, support shell fragment 44 and have detecting memory card 5 and put in place or have or not the anti-function of writing, and also can be inserted with the memory card 5 of at least one different size in the grafting space 10 of pedestal 1.
Only the above, it only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, so the change of numerical value or displacement of equivalent elements such as, or, all should still belong to the category that the utility model patent contains according to equalization variation and modification that the utility model claim is done.